1 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * fixinc/inclhack.def (strict_ansi_not, strict_ansi_not_ctd,
4 strict_ansi_only): Don't run if stdc_0_in_system_headers.
5 * fixinc/fixincl.x: Regenerate.
6 * fixinc/fixtests.c (stdc_0_in_system_headers_test): New function.
7 (FIX_TEST_TABLE): Declare it.
8 * fixinc/fixlib.h: Include config.h.
10 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
12 * fixinc/inclhack.def (alpha___assert): Change char * args to
13 const char * on Tru64 UNIX to avoid excessive warnings from
15 * fixinc/fixincl.x: Regenerate.
17 2001-05-25 Geoff Keating <geoffk@redhat.com>
19 * dbxout.c (dbxout_symbol): Invert previous patch, which was
20 outputting a tag only for variable-size records.
22 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
24 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
25 instead of rtx_equal_p for early clobber test.
27 2001-05-26 Mark Mitchell <mark@codesourcery.com>
29 * builtins.def: Encode additional information, such as names and
31 * builtin-types.def: New file.
32 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
33 (built_in_decls): Likewise. Don't explicitly initialize global
35 (expand_builtin_mathfn): Handle float and long double variants of
37 (expand_builtin): Likewise.
38 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
39 (expand_tree_builtin): Handle long, long long, float, and long
40 double variants of math functions.
41 * c-common.h (c_tree_index): Remove some unused nodes.
43 (void_type_ptr): Likewise.
44 (int_ftype_int): Likewise.
45 (ptr_ftype_sizetype): Likewise.
46 * c-decl.c (init_decl_processing): Remove creation of DWARF
48 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
49 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
50 * Makefile.in (c-common.o): Depend on builtin-types.def.
52 2001-05-25 Dale Johannesen <dalej@apple.com>
54 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
56 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
58 * c-parse.in (notype_initdcl): Remove redundant line.
60 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
62 * aclocal.m4: Fixed typo.
63 (gcc_AC_HEADER_STDBOOL): Define.
64 (gcc_AC_C__BOOL): Define.
65 * configure.in: Use them.
66 (AC_CHECK_HEADERS): Remove stdbool.h
67 * configure, config.in: Regenerate.
69 2001-05-25 Richard Henderson <rth@redhat.com>
71 * function.c (expand_function_start): Don't abort on PARALLEL
72 returns from hard_function_value.
74 2001-05-25 Richard Henderson <rth@redhat.com>
76 * config/i386/i386.md: Revert previous change. Do not apply
77 the peephole if the components do not die after the sequence.
79 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
81 * c-parse.in (array_declarator): New. Handle C99 constructs.
82 Don't restrict [*] declarators to C only.
83 (after_type_declarator, parm_declarator_starttypename,
84 parm_declarator_nostarttypename, notype_declarator,
85 direct_absdcl1): Use it.
86 * c-decl.c (build_array_declarator, set_array_declarator_type):
87 New functions. Warn that [*] isn't properly implemented; pedwarn
88 for [*] outside C99 mode if pedantic rather than giving a hard
90 (grokdeclarator): Handle static and type qualifiers in parameter
92 * c-tree.h (build_array_declarator, set_array_declarator_type):
94 * extend.texi (Attribute Syntax): Document attributes in parameter
97 2001-05-25 Mark Mitchell <mark@codesourcery.com>
99 * config/i386/i386.md: Make sure cmpstr peepholes do not
100 affect liveness information.
102 2001-05-24 Mark Mitchell <mark@codesourcery.com>
104 * c-typeck.c (digest_init): Issue error messages about
105 invalid constants, not warnings.
107 2001-05-24 Mark Mitchell <mark@codesourcery.com>
109 * invoke.texi (-fno-builtin): Document that this is always on
112 2001-05-24 Philip Blundell <philb@gnu.org>
114 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
117 2001-05-24 Philip Blundell <philb@gnu.org>
119 * config/arm/arm.c (output_return_instruction): Correctly handle
120 interworking and interrupt functions.
122 2001-05-24 Philip Blundell <philb@gnu.org>
124 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
125 -m{no-}sched-prolog. Fix typos and improve formatting.
127 2001-05-24 Philip Blundell <philb@gnu.org>
129 * invoke.texi (ARM Options): Improve wording slightly. Add
130 documentation for more options, including those for Thumb mode.
131 Don't mention options that don't exist or are unimplemented.
132 (Thumb Options): Delete; merged into above section.
134 2001-05-24 Geoff Keating <geoffk@redhat.com>
136 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
137 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
139 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
141 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
142 fix hard register simplification.
144 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
146 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
147 of just copying CPP_CPU_SPEC.
149 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
151 * i386.c (incdec_operand): Accept only 1 and -1.
153 2001-05-23 Kelley Cook <kelley.cook@home.com>
155 * Makefile.in: Move many of the *_H definitions eariler in the
156 file, so that rules in t-* files that use them for
157 dependencies will work in a parallel build.
158 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
160 2001-05-23 Richard Henderson <rth@redhat.com>
162 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
164 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
166 * cpp.texi: Update for handling of charconsts.
167 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
168 diagnostics. Skip to the end if the UCS is too short.
169 (cpp_interpret_charconst): Long charconsts issue a warning
172 2001-05-23 Richard Henderson <rth@redhat.com>
174 * doc/install.texi (alpha-linux): Require binutils 2.11.
176 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
178 * c-lex.c (read_escape, read_ucs): Delete.
179 (lex_string): Use cpp_parse_escape.
180 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
181 if not C++ or not C99. Warn if traditional.
182 (parse_escape): Rename cpp_parse_escape. Make the bitmask
183 unsigned. Warn for out-of-range escape sequences here.
184 Update to use maybe_read_ucs.
185 (cpp_interpret_charconst): Don't warn here.
186 * cpplib.h (cpp_parse_escape): New exported function.
188 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
190 * extend.texi (Attribute Syntax): Clarify application of
191 attributes to parameters declared as functions or arrays.
193 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
195 * dbxout.c (dbxout_type_methods): Do still group methods by name.
197 2001-05-23 Zack Weinberg <zackw@stanford.edu>
199 * diagnostic.c (vnotice): Kill.
200 (fnotice): Call vfprintf directly.
201 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
202 verbatim, set_diagnostic_context): Rename string argument to
203 indicate that it is run through gettext.
204 (vbuild_message_string, build_message_string, output_do_printf):
205 Rename string argument to indicate that it is NOT run through
207 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
208 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
209 Run msgid argument through gettext.
210 (default_print_error_function): Run constant strings through
211 gettext when nothing else will.
212 (fatal_error, internal_error, error_recursion): Use fnotice.
213 Present complete sentences to gettext.
215 2001-05-23 Mark Mitchell <mark@codesourcery.com>
217 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
219 2001-05-23 Richard Henderson <rth@redhat.com>
221 * function.c (expand_function_start): Always use a pseudo
222 for the function result value.
224 2001-05-22 Richard Henderson <rth@redhat.com>
226 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
227 section pointer alignment.
229 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
231 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
232 of __USER_LABEL_PREFIX__.
234 2001-05-22 Richard Henderson <rth@redhat.com>
236 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
237 (__deregister_frame_info_bases): New.
238 * unwind-dw2-fde.h: Declare it.
239 * libgcc-std.ver: Export it.
240 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
241 called __register_frame_info_bases.
243 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
245 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
246 instead of #elif (which is OK for this case but not in general).
248 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
250 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
251 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
252 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
253 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
254 "r2" to the assembly file. Only issue allocs with non-zero parameters.
256 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
257 David O'Brien <obrien@freebsd.org>
259 * config/freebsd.h (LIB_SPEC): Key the exact setting to
260 configure-time options and target version of FreeBSD. Set-up
261 to match architectural change in threading support. Correctly
262 report when -pthread option is not supported by configure-time
264 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
265 and extend to encode target version number in run-time setting
266 of __FreeBSD__ macro to match the system compiler.
267 (CPP_PREDEFINES): Likewise.
268 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
270 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
271 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
273 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
274 David O'Brien <obrien@freebsd.org>
276 * config.gcc (the unlabeled system switch statement): Add
277 generic configuration section to handle *-*-freebsd*. Also,
278 to match the system compiler, default to threading support (it
279 may be disabled with the standard --disable-threads
280 configuration-time switch).
281 (i[34567]86-*-freebsd* in machine-specific section): Use it.
282 (alpha*-*-freebsd* in machine-specific section): Likewise.
284 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
285 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
286 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
287 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
288 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
290 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
291 David O'Brien <obrien@freebsd.org>
293 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
294 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
295 -pthread instead setting macro.
297 2001-05-22 Richard Henderson <rth@redhat.com>
299 * crtstuff.c (__register_frame_info_bases): Declare.
300 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
301 (__do_global_dtors_aux, __do_global_dtors): Streamline.
303 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
304 (CRT_GET_RFIB_DATA): New.
305 * config/i386/sysv4.h: Likewise.
306 * config/i386/sco5.h: Likewise.
307 (ASM_PREFERRED_EH_DATA_FORMAT): New.
309 2001-05-22 Richard Henderson <rth@redhat.com>
311 * rtl.c (read_string): Break out from ...
312 (read_rtx): ... here.
314 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
316 * doc/install.texi (Specific): Remove a bogus and duplicate part
317 copied from the end of the document.
319 2001-05-22 Bernd Schmidt <bernds@redhat.com>
321 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
323 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
325 * install.texi: Remove obsolete information on SunOS as well as
326 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
327 (Installing GNU CC on the Sun): Remove section.
329 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
331 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
332 keep errno unchanged on success.
334 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
336 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
337 once for hexadecimal floats, whether or not they contain a decimal
338 point. Don't let the setting of pedantic otherwise affect the
339 parsing of hexadecimal floats.
341 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
343 * README.ACORN: Remove obsolete file.
345 2001-05-22 Jan Hubicka <jh@suse.cz>
347 * combine.c (gen_binary): Use swap_commutative_operands_p
348 (simplify_comparison): Likewise.
349 * expmed.c (emit_store_flag): Likewise.
350 * expr.c (compare_from_rtx): Likewise.
351 (do_compare_rtx_and_jump): Likewise.
352 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
353 if not emitting a branch and operands want swapping.
355 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
357 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
358 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
359 (maybe_get_identifier): Update.
360 * tree.h (make_identifier): Delete.
362 2001-05-21 Richard Henderson <rth@redhat.com>
364 * combine.c (subst): Do not substitute for a register as
365 a destination subreg/strict_low_part/zero_extract.
367 * combine.c (simplify_comparison): Update op1 after constant
369 * recog.c (const_int_operand): Accept only constants valid
371 * genrecog.c: Update comments wrt const_int_operand.
373 * emit-rtl.c (init_emit_once): Zero unused memory in a
376 2001-05-21 Mark Mitchell <mark@codesourcery.com>
378 * tree.h (type_num_arguments): Declare it.
379 * tree.c (type_num_arguments): New function.
381 2001-05-21 Richard Henderson <rth@redhat.com>
383 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
386 2001-05-21 Geoff Keating <geoffk@redhat.com>
388 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
390 (minsf3): Use rs6000_emit_minmax.
391 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
393 (movsfcc): Use rs6000_emit_cmove.
394 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
395 Don't generate emit_fselsfsf4.
396 (fseldfsf4): Likewise.
397 (maxdf3): Use rs6000_emit_minmax.
399 (mindf3): Use rs6000_emit_minmax.
400 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
402 (movdfcc): Use rs6000_emit_cmove.
403 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
404 Don't generate emit_fselsfsf4.
405 (fselsfdf4): Likewise.
406 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
407 (min_max_operator): New predicate.
408 (rs6000_emit_cmove): New function.
409 (rs6000_emit_minmax): New function.
410 * config/rs6000/rs6000-protos.h: Prototype new functions.
411 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
412 and min_max_operator.
414 * config/rs6000/rs6000.c (output_cbranch): Handle all
415 conditional types in the switch statement.
417 2001-05-21 Mark Mitchell <mark@codesourcery.com>
419 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
420 non-register variables.
421 * extend.texi: Document that asm-specifications do not make sense
422 for non-static local variables.
424 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
426 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
427 (dbxout_type_fields): Lose minimal_debug support.
428 (dbxout_type_methods, dbxout_type): Likewise.
430 2001-05-17 Andrew Haley <aph@redhat.com>
432 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
434 2001-05-21 Richard Henderson <rth@redhat.com>
436 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
439 2001-05-20 Richard Henderson <rth@redhat.com>
441 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
442 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
443 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
444 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
445 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
447 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
448 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
449 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
450 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
451 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
452 DEBUG_PUBNAMES_SECTION): Rename as above.
453 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
455 2001-05-20 Richard Henderson <rth@redhat.com>
457 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
458 operands unless the operation is commutative.
460 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
462 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
465 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
467 * extend.texi: Clarify documentation of extensions included in ISO
468 C99. Prefer C99 terminology and syntax to old GNU terminology and
469 syntax. Add more index entries. Document mixed declarations and
470 code as an extension in C89 mode. Warn about future changes to
471 semantics of inline functions. Fixes PR other/930.
473 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
475 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
476 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
477 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
478 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
480 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
482 2001-05-20 Richard Henderson <rth@redhat.com>
484 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
485 to be output before a branch.
487 2001-05-20 Richard Henderson <rth@redhat.com>
489 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
491 2001-05-20 Richard Henderson <rth@redhat.com>
493 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
494 (ASM_DOUBLE): Remove.
495 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
496 * config/i386/sun386.h: Likewise.
498 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
499 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
501 * config/i386/cygwin.h (INT_ASM_OP): Remove.
502 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
503 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
504 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
506 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
507 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
508 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
509 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
510 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
511 * config/i386/win32.h: Likewise.
513 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
515 * invoke.texi: Add more options to summary list.
517 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
519 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
520 used. Fixes PR c/2291.
523 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
525 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
526 the -fpic and -fPIC options, clear flag_pic.
528 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
530 * hashtable.c (calc_hash): Fix HASHSTEP definition.
531 * stringpool.c (make_identifier): No statistics here anymore.
532 * objc-act.c (steup_string_decl): Remove redundant check.
534 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
536 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
537 cpplib.o, cpphash.o, fix-header): Update.
538 (hashtable.o): New target.
539 * c-common.h: Include cpplib.h. Define C_RID_CODE and
540 struct c_common_identifier here.
541 * c-lang.c (c_init_options): Update. Call set_identifier_size.
542 * c-lex.c (c_lex): Update.
543 * c-pragma.h: Update.
544 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
546 (C_RID_CODE): Delete.
547 * cpphash.c: Rewrite to use hashtable.c.
548 * cpphash.h: Update include guards.
549 (struct cpp_reader): Remove hashtab.
550 hash_ob and buffer_ob are no longer pointers. Add hash_table
552 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
553 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
554 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
555 * cppinit.c (cpp_create_reader): Update.
556 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
557 (cpp_interpret_charconst): Eliminate warning.
558 * cpplib.c (do_pragma, do_endif, push_conditional,
559 cpp_push_buffer, cpp_pop_buffer): Update.
560 (_cpp_init_stacks): Rename cpp_init_directives.
561 (_cpp_cleanup_stacks): Remove.
562 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
563 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
564 cpp_forall_identifiers, cpp_create_reader): Update.
565 (C_RID_CODE, cpp_make_node): New.
566 (c_common_identifier): New identifier node for C front ends.
567 * cppmain.c (main): Update.
568 * fix-header.c (read_scan_file): Update.
569 * flags.h (id_clash_len): Make unsigned.
570 * ggc.h (ggc_mark_nonnull_tree): New.
573 * stringpool.c: Update comments and copyright. Update to use
575 * toplev.c (approx_sqrt): Move to hashtable.c.
576 (id_clash_len): Make unsigned.
577 * toplev.h (ident_hash): New.
578 * tree.c (gcc_obstack_init): Move to hashtable.c.
579 * tree.h: Include hashtable.h.
580 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
581 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
582 (struct tree_identifier): Update.
583 (make_identifier): New.
585 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
586 (C_RID_CODE): Remove.
587 * lex.c (cxx_init_options): Call set_identifier_size. Update.
588 (init_parse): Don't do it here.
590 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
592 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
594 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
596 (expand_eh_return): Convert between word_mode and Pmode.
597 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
599 (execute_stack_op): Likewise.
600 (execute_cfa_program): Likewise.
601 (uw_frame_state_for): Likewise.
602 (uw_update_context_1): Likewise.
603 * unwind.inc (_Unwind_Reason_Code): Likewise.
604 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
605 (EH_RETURN_STACKADJ_RTX): Likewise.
606 * config/mips/mips.c (compute_frame_size): Make space for saving
608 (mips_expand_epilogue): Handle EH stack adjustments.
609 * config/mips/mips.md (eh_return): New pattern.
610 (eh_set_lr_si): Likewise.
611 (eh_set_lr_di): Likewise.
612 Add splitter to perform EH return after reload.
614 2001-05-19 Mark Mitchell <mark@codesourcery.com>
616 * jump.c (mark_jump_label): Tidy previous change.
618 2001-05-19 Bruce Korb <bkorb@gnu.org>
620 * fixinc/genfixes: no need for two warnings
621 * fixinc/Makefile.in: open stdin for those building with a closed one.
623 2001-05-19 Mark Mitchell <mark@codesourcery.com>
625 * jump.c (jump_optimize_1): Tidy.
626 (mark_jump_label): When changing the label in a LABEL_REF, change
627 update any REG_EQUAL notes as well.
629 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
631 * c-parse.in (parm_declarator): Split into
632 parm_declarator_starttypename and parm_declarator_nostarttypename.
633 (parm_declarator_starttypename, parm_declarator_nostarttypename):
634 New. Allow parenthesised sub-declarators which don't begin with a
635 TYPENAME. Fixes PR c/166.
637 2001-05-19 Mark Mitchell <mark@codesourcery.com>
639 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
641 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
643 * toplev.c (main): If the target does not allow profiling without
644 a frame pointer, issue an error message.
645 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
648 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
650 * recog.c (general_operand): Modify last change to allow it if reload
653 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
655 * recog.c (general_operand): Prohibit nonzero subreg bytes on
656 subregs containing mem.
658 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
660 * regrename.c (regrename_optimize): frame pointer register can
663 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
665 * README.DWARF: Move into dwarfout.c.
667 2001-05-18 Dale Johannesen <dalej@apple.com>
669 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
670 specific misuse of r0 as a reload address.
672 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
674 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
677 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
679 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
680 (add_to_sequence): Make that decision type.
681 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
682 (write_switch, write_cond, debug_decision_2): Likewise.
684 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
686 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
689 2001-05-18 Stan Shebs <shebs@apple.com>
691 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
692 * configure: Regenerate.
694 2001-05-18 Per Bothner <per@bothner.com>
696 Changes needed for java/jvspec.c
697 * gcc.h (n_infiles, outfiles): Add declarations.
698 * gcc.c (n_infiles, outfiles): Mske no longer static.
700 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
702 * config/pa/som.h (EXCEPTION_SECTION): Define.
704 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
706 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
708 Add have_location_lists, a variable to determine whether we need a
709 .debug_loc section or not.
710 (enum dw_val_class): Add dw_val_class_loc_list.
711 (dw_val_struct): Add val_loc_list.
712 (dw_loc_list_struct): New structure, represents location lists.
713 (new_loc_list): New function, return a new location list, given
714 the range and location expression.
715 (add_loc_descr_to_loc_list): New function, add a location
716 expression to a location list, given the expression and range.
717 (output_loc_list): New function, output a location list.
718 (gen_internal_sym): Modified to take symbol prefix, so we can
719 reuse it for location list symbols.
720 (add_AT_loc_list): New function, add a location list to a DIE at
722 (AT_loc_list): New function, return the location list reference
723 for a given attribute, if it's a location list.
724 (print_die): Handle dw_val_class_loc_list.
725 (size_of_die): Ditto.
726 (value_format): Ditto.
728 (output_location_lists): New function, output all of the location
729 lists for a DIE and it's children.
730 (dwarf2out_finish): Call output_location_lists if we have location
734 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
736 * gcse.c (try_replace_reg): First try global replace, later try to
737 simplify the expression.
739 * gcse.c (find_used_regs): Change calling convention; work via
741 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
743 2001-05-18 Bernd Schmidt <bernds@redhat.com>
746 2001-02-09 Nick Clifton <nickc@redhat.com>
747 * config/arm/arm.md: Change output constraint on post inc
748 load/store multiple patterns to be a read/write constraint.
750 2001-05-18 Mark Mitchell <mark@codesourcery.com>
752 * basic-block.h (struct basic_block_def): Add documentation about
753 what a basic block is, and what the various fields are used for.
754 * flow.c (calculate_globlal_regs_live): Add documentation about
755 how the algorithm works, and how we know that it will terminate.
756 Check that the the inductive assumption that guarantees
757 termination actually holds.
758 (mark_used_regs): Treat conditionally set registers as used.
759 (debug_regset): Add comment.
760 * rtl.texi (cond_exec): Add documentation.
762 * function.c (expand_function_start): Avoid creating BLKmode
765 2001-05-17 Mark Mitchell <mark@codesourcery.com>
767 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
768 DIE, even if it has no children.
769 (dwarf2out_finish): Always output the line-number table, even if
772 2001-05-18 David Edelsohn <edelsohn@gnu.org>
774 * rs6000.md (movsfcc,movdfcc): Remove NE case.
776 2001-05-17 Bruce Korb <bkorb@gnu.org>
778 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
779 * fixinc/genfixes: emit a warning if AutoGen is out of date
781 2001-05-17 Brendan Conoboy <blc@cygnus.com>
782 Bruce Korb <bkorb@gnu.org>
784 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
785 found in fixinc directory. Facilitates binary distributions.
787 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
789 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
792 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
794 * dwarf2out.c (modified_type_die): Equate qualified type to die.
796 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
798 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
799 (simplify_subreg): Handle complex types represented as CONCAT.
801 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
802 * rtl.h (swap_commutative_operands_p): Declare.
803 * rtlanal.c (swap_commutative_operands_p): New.
804 (operand_preference): New static function.
806 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
807 (gen_binary): Likewise.
808 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
809 * simplify-rtx.c (simplify_gen_binary,
810 simplify_gen_relational): Likewise.
812 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
814 * cse.c (fold_rtx): Use simplify_subreg.
816 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
817 (simplify_gen_subreg): New.
818 (simplify_rtx): Use simplify_subreg.
819 * rtl.h (simplify_gen_subreg): Declare.
821 2001-05-17 Mark Mitchell <mark@codesourcery.com>
823 * doc/install.texi: Update Solaris information.
825 * except.h (protect_cleanup_actions): Remove it.
826 (lang_protect_cleanup_actions): Declare it.
827 * except.c (protect_cleanup_actions): Remove it.
828 (lang_protect_cleanup_actions): New variable.
829 (init_eh): Don't make protect_cleanup_actions a GC root.
830 (expand_eh_region_and_cleanup): Call
831 lang_protect_cleanup_actions.
832 (output_function_exception_table): Remove unused `align'
834 * varasm.c (assemble_external): Abort if we have not yet
835 opened the assembly output file.
837 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
839 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
840 for eh_personality_libfunc.
842 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
844 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
845 when calling simplify_subreg. This is needed to allow replacing
846 of expression of one mode by expression of different mode.
848 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
850 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
852 2001-05-17 Bernd Schmidt <bernds@redhat.com>
854 * expr.c (protect_from_queue): Protect against subsequent calls to
856 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
859 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
861 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
863 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
865 * gccbug.in (CATEGORIES): Add "bootstrap".
867 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
869 * simplify-rtx.c (simplify_subreg): Break out from ...
870 * combine.c (combine_splify_rtx) ... here and ...
871 * recog.c (validate_replace_rtx_1): ... here;
872 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
873 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
874 (subreg_lowpart_p): ... here.
876 2001-05-17 Bernd Schmidt <bernds@redhat.com>
878 * stmt.c (expand_asm_operands): For inout operands, make sure
879 the substitution of '=' for '+' makes it into the rtl.
881 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
882 (reload_as_needed): Call update_eliminable_offsets a bit later.
884 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
886 * gcc.texi (gccbug): Refer to the web pages for detailed information
889 2001-05-16 Zack Weinberg <zackw@stanford.edu>
891 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
893 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
894 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
895 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
896 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
897 * cross-make: Don't set LIBGCC1.
898 * mklibgcc.in: Delete all code for building from libgcc1.c.
899 Always honor LIB1ASMFUNCS if set.
901 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
902 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
903 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
904 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
905 config/i386/uwin.asm, config/m68hc11/larith.asm,
906 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
907 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
908 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
909 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
910 Delete or update references to libgcc1 in commentary.
912 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
913 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
914 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
915 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
916 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
917 config/arm/t-semi, config/arm/t-strongarm-coff,
918 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
919 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
920 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
921 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
922 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
923 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
924 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
925 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
926 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
927 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
928 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
929 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
930 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
931 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
932 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
933 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
934 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
935 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
936 config/mips/t-ultrix, config/mn10200/t-mn10200,
937 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
938 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
939 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
940 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
941 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
942 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
943 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
944 config/sparc/t-sparclite, config/sparc/t-splet,
945 config/sparc/t-sunos41, config/sparc/t-vxsparc,
946 config/sparc/t-vxsparc64, config/v850/t-v850:
947 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
949 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
950 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
951 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
952 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
953 nongcc_SI_type, nongcc_word_type, or perform_*
954 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
956 * config/i386/386bsd.h, config/i386/beos-elf.h,
957 config/i386/linux-aout.h, config/i386/linux-oldld.h,
958 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
959 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
960 Don't include i386/perform.h.
962 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
963 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
964 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
965 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
966 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
967 config/vax/t-openbsd, config/vax/t-vax: Delete.
969 * config.gcc: Remove references to deleted files.
970 (arm-semi-aof): Use arm/t-semi for tmake_file.
972 * gcc.texi, install.texi, invoke.texi, tm.texi:
973 Delete or rewrite text which is no longer relevant now that
974 libgcc1 no longer exists.
976 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
977 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
979 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
980 Bruce Korb <bkorb@gnu.org>
982 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
985 2001-05-16 Zack Weinberg <zackw@stanford.edu>
987 * i386.md: Add two peepholes to clean up code generated by
990 2001-05-16 Richard Henderson <rth@redhat.com>
992 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
993 variants of non-absolute encodings.
995 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
997 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
998 __register_frame_info_table_bases): Export.
1000 2001-05-16 Richard Henderson <rth@redhat.com>
1002 * except.c (eh_data_format_name): Move to ...
1003 * dwarf2asm.c: ... here. Use designated initializers if available.
1004 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
1005 * dwarf2asm.h: Update declarations.
1006 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
1007 ASM_PREFERRED_EH_DATA_FORMAT.
1008 (output_call_frame_info): Likewise. Use 'L' augmentation for
1011 * unwind-dw2-fde.h (struct fde_vector): New.
1012 (struct old_object): Rename from struct object.
1013 (struct object): New.
1014 (__register_frame_info_bases): Declare.
1015 (__register_frame_info_table_bases): Declare.
1016 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
1017 * unwind-dw2-fde.c (objects): Remove.
1018 (unseen_objects, seen_objects): New.
1019 (__register_frame_info_bases): New.
1020 (__register_frame_info): Use it.
1021 (__register_frame_info_table_bases): New.
1022 (__register_frame_info_table): Use it.
1023 (__deregister_frame_info): Rewrite for changed object struct.
1024 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1025 (fde_unencoded_compare): Rename from fde_compare; uninline.
1026 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1027 (start_fde_sort): Adjust for new definition of fde_vector.
1028 (fde_insert): Likewise.
1029 (end_fde_sort): Likewise. Select comparison function based
1030 on properties of the object.
1031 (fde_split): Take object and fde_compare_t arguments.
1032 (frame_heapsort, fde_merge): Likewise.
1033 (classify_object_over_fdes): Rename from count_fdes. Handle
1034 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1036 (add_fdes): Handle encoded pointers.
1037 (init_object): Rename from frame_init. Update for new struct object.
1038 (linear_search_fdes): Rename from search_fdes. Handle encoded
1040 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1041 (binary_search_single_encoding_fdes): New.
1042 (binary_search_mixed_encoding_fdes): New.
1043 (search_object): New.
1044 (_Unwind_Find_FDE): Update for new struct object. Fill in
1046 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1047 iterating over EH data.
1048 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1049 fde_encoding, lsda_encoding.
1050 (read_uleb128, read_sleb128): Remove.
1051 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1052 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1053 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1055 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1057 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1059 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1060 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1061 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1062 cpp_spell_token, cpp_output_token): Similarly.
1063 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1064 do_pragma_poison, parse_assertion, do_assert): Similarly.
1065 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1066 save_parameter, _cpp_create_definition, check_trad_stringification,
1067 cpp_macro_definition): Similarly.
1068 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1069 * c-lex.c (cb_undef, c_lex): Similarly.
1070 * fix-header.c (recognized_function): Similarly.
1071 * cpplib.h (NODE_LEN, NODE_NAME): New.
1072 (cpp_hashnode): Rename length len.
1074 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1076 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1079 2001-05-16 Andreas Jaeger <aj@suse.de>
1081 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1083 * toplev.c: Include dwarf2asm.h for prototype of
1084 dw2_output_indirect_constants.
1086 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1088 * stmt.c (expand_asm_operands): Be able to offload addressof
1089 expression to memory. (PR optimization/185)
1091 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1093 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1094 applying distributive law.
1096 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1098 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1100 * gthr-dce.h (UNUSED): Attribute unused macro.
1101 (__gthread_key_dtor): Make arguments UNUSED.
1102 (__gthread_key_delete): Revise for compatibility with DRAFT4
1105 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1107 * doc/install.texi: Update AIX information.
1108 * README.RS6000: Remove obsolete file.
1110 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1111 Nathan Sidwell <nathan@codesourcery.com>
1113 * gcc.c (give_switch): Don't write before start of string.
1114 Always append suffix.
1116 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1118 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1121 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1123 * README.ALTOS: Remove obsolete file.
1125 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1127 * c-lex.h (save_and_forget_protocol_qualifiers,
1128 forget_protocol_qualifiers, remember_protocol_qualifiers):
1129 Remove deleted functions' prototypes.
1131 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1133 * c-parse.in (methodtype): New production.
1134 (methoddef, methodproto): Collapse separate '-' and '+'
1137 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1139 * c-common.h (RID_FIRST_PQ): New.
1140 * c-parse.in (objc_pq_context): New.
1141 (objc parser): Set objc_pq_context rather than calling
1142 remember_protocol_qualifiers and forget_protocol_qualifiers.
1143 Don't call save_and_forget_protocol_qualifiers.
1144 (yylexname): Handle objc protocol qualifiers here.
1145 * stringpool.c (struct str_header): Replace with sp_hashnode.
1146 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1147 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1148 Allocate an IDENTIFIER_NODE for each identifier.
1149 (FORALL_STRINGS, set_identifier): Delete.
1150 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1151 (ggc_alloc_string): Use an obstack.
1152 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1153 * tree.h: Update comments.
1154 (set_identifier): Delete.
1155 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1156 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1157 remember_protocol_qualifiers): Delete.
1159 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1161 * flow.c (life_analysis): After life analysis is complete, do
1162 an optional scan over insns looking for REG_LABEL notes that
1163 reference a deleted label.
1164 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1165 before peeking at LABEL_NUSES.
1167 2001-05-15 Richard Henderson <rth@redhat.com>
1169 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1170 (_Unwind_GetTextRelBase): New.
1172 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1174 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1176 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1178 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1179 so that CHOOSE_SECTION gets used.
1181 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1182 TARGET_RELOCATABLE like flag_pic for now.
1184 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1186 * rs6000.md (movdi splitter): Sign extend more efficiently.
1187 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1188 to "long long" valid on 32-bit and 64-bit hosts.
1189 (logical_operand): Cast trunc_int_for_mode return value.
1190 (rs6000_emit_move): Shift macro to encapsulate variable.
1191 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1192 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1193 plus_constant requires signed argument.
1195 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1197 * gthr-posix.h: Make additional pthread-* functions weak.
1199 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1201 * recog.c (apply_change_group): Avoid unneeded validating.
1203 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1205 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1206 (num_insns_constant): CONST_INT can be 64-bits.
1208 2001-05-14 Stan Shebs <shebs@apple.com>
1210 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1211 (LIBGCC_SPEC): Don't define.
1213 2001-05-14 Richard Henderson <rth@redhat.com>
1215 * configure.in (gcc_cv_as_eh_frame): New test.
1216 * config.in, configure: Rebuild.
1217 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1219 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1221 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1222 extended precision divide.
1224 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1226 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1227 for RETURNS as well.
1229 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1231 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1232 (CPP_CPU??_SIZE_TYPE): New.
1233 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1234 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1235 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1236 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1238 * i386.c (override_options): Add sorry about not suported modes.
1240 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1242 * config/pa/som.h (NM_FLAGS): Remove.
1243 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1244 (ASM_OUTPUT_SECTION_NAME): Remove.
1245 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1247 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1249 * regrename.c (regrename_optimize): Do not rename registers to
1252 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1254 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1255 contain MEMs. Remove useless distinction about clobbering
1258 2001-05-13 Geoff Keating <geoffk@redhat.com>
1260 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1261 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1262 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1263 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1264 (EXCEPTION_SECTION): Define.
1266 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1268 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1269 binary backward compat only.
1270 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1271 in LIB2FUNCS. Pass it to mklibgcc.
1272 * mklibgcc.in: Handle LIB2FUNCS_ST.
1274 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1276 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1278 * tm.texi (THREAD_MODEL_SPEC): Document it.
1279 * gcc.c (main): Use it.
1280 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1281 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1283 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1285 * rtl.h (SYMBOL_REF_WEAK): New macro.
1286 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1287 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1288 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1289 * gcc.texi: Remove wrong description.
1291 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1293 * Makefile.in (STAMP): New macro.
1294 Replace all uses of `touch' with $(STAMP).
1295 * fixinc/Makefile.in: Likewise.
1297 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1299 * configure.in: ldopen is never in -lexc, so don't test for it.
1300 Add test for exc_resume in -lexc for Ada.
1301 * configure: Regenerated.
1303 2001-05-12 Richard Henderson <rth@redhat.com>
1305 * dwarf2asm.c (size_of_encoded_value): New function.
1306 * dwarf2asm.h: Declare it.
1307 * except.c (output_function_exception_table): Align the TType
1308 array only as wide as the encoding.
1310 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1312 * extend.texi: Document #pragma GCC java_exceptions.
1314 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1316 * c-parse.in (bison parser, init_reswords): Remove uses of
1318 * c-tree.h (doing_objc_thang): Remove.
1320 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1322 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1323 about files not ending in newlines.
1325 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1327 * dwarfout.c (dwarfout_init): Add cast.
1328 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1329 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1331 * method.c (build_mangled_C99_name): Remove unused prototype.
1333 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1335 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1337 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1339 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1340 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1342 2001-05-11 Richard Henderson <rth@redhat.com>
1344 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1345 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1346 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1347 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1348 (dw2_output_indirect_constants): Prototype.
1349 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1350 current_function_func_begin_label if we'll need it for EH. Exit
1351 early for IA64_UNWIND_INFO.
1352 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1353 (eh_data_format_name): Update for indirect references.
1354 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1355 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1356 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1357 define HAVE_eh_return etc.
1358 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1359 (final_end_function): Don't call output_function_exception_table.
1360 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1361 (rest_of_compilation): Invoke output_function_exception_table
1362 for ia64 before assemble_end_function.
1363 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1364 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1366 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1367 * unwind.h: Declare them.
1368 * libgcc-std.ver: Export them.
1369 * unwind-pe.h: New file.
1371 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1373 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1375 (find_fde_for_dso): Extract DT_PLTGOT.
1376 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1377 the segment and gp as well.
1378 * config/ia64/frame-ia64.c: Remove file.
1379 * config/ia64/frame-ia64.h: Remove file.
1380 * config/ia64/unwind-ia64.c: New file.
1381 * config/ia64/unwind-ia64.h: New file.
1382 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1383 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1384 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1385 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1386 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1387 (IA64_UNWIND_INFO): Re-enable.
1388 (HANDLER_SECTION): Remove.
1389 (EH_RETURN_DATA_REGNO): New.
1390 * config/ia64/ia64.md (exception_receiver): Remove.
1391 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1392 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1394 2001-05-11 Richard Henderson <rth@redhat.com>
1396 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1397 calls and jumps to be bundled together.
1398 (ia64_reorg): Emit a break after a noreturn call that ends
1400 * config/ia64/ia64.md (break_f): New.
1402 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1404 * c-lex.c (lex_charconst): Convert into a simple wrapper
1405 around cpp_interpret_charconst, to which most of the code
1407 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1408 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1409 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1410 (lex): Use cpp_interpret_charconst.
1411 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1412 hex_digit_value): New functions.
1413 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1414 * cpplib.h (cpp_interpret_charconst): New prototype.
1415 * Makefile.in: Update.
1417 2001-05-12 Dean Wakerley <dean@wakerley.com>
1419 * doc/install.texi: New file. Converted to texinfo from the HTML
1420 documentation in wwwdocs/htdocs/install.
1422 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1424 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1425 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1427 * toplev.c (compile_file): Move comment for opening output
1428 file to just before the code that opens the output file.
1430 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1432 * regmove.c (regmove_optimize): Suppress the optimization for
1433 unchanging destination register. Add comment above function.
1435 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1437 * Makefile.in: Exterminate all references to assert.h.
1438 * cross-make: Likewise.
1440 * configure.in: Correct commentary.
1441 * configure: Regenerate.
1443 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1446 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1447 config/t-netbsd, config/t-rtems, config/x-linux,
1448 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1449 No need to override INSTALL_ASSERT_H.
1451 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1452 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1453 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1455 2001-05-11 Graham Stott <grahams@redhat.com>
1457 * combine.c (simplify_comparison): Fix typo.
1459 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1461 * loop.h (struct movables): Remove `num'.
1462 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1463 Adjust call to strength_reduce.
1464 (num_unmoved_movables): New function.
1465 (move_movables): Don't set movables->num.
1466 (strength_reduce): Compute the number of instructions in the loop
1467 here, rather than in the caller.
1468 (check_dbra_loop): Always clear reversible_mem_store if there
1469 are any memory sets.
1470 (loop_regs_scan): Don't count instructions here.
1471 (count_insn_in_loop): New function.
1473 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1475 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1477 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1479 * c-common.c (finish_label_expr): New function, lifted from
1480 from cp/semantics.c.
1481 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1482 * c-parse.in: Move 3 blocks of parser code into new functions.
1483 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1484 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1485 (lookup_label): Remove.
1487 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1489 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1490 FLOAT_BIT_ORDER_MISMATCH.
1492 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1494 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1495 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1497 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1499 * expr.c (emit_group_load): extract_bit_field requires a REG or
1502 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1504 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1505 a computed jump into an unconditional jump.
1506 In second hunk of code for collapsing computed and conditional jumps
1507 into unconditional jumps, reemit the jump in additional cases.
1509 * jump.c (jump_optimize_1): Do not wrap the new jump target
1510 inside a LABEL_REF; gen_jump will do that automatically.
1512 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1514 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1515 contents for a SYMBOL_REF in case of floating point constants.
1517 2001-05-10 DJ Delorie <dj@redhat.com>
1519 * c-common.c (combine_strings): Widen strings in a
1520 host-endian-independent way.
1522 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1524 * c-parse.in: Remove many shift/reduce conflicts. Update
1526 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1527 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1528 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1529 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1530 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1531 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1532 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1533 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1534 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1535 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1536 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1537 typespec_reserved_nonattr, typespec_reserved_attr,
1538 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1539 structsp_nonattr, components_notype, component_notype_declarator,
1540 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1541 firstparm, setspecs_fp): New
1542 (typed_declspecs, reserved_declspecs, typed_typespecs,
1543 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1544 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1545 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1546 type_quals): Remove. Users updated.
1547 (initdecls, notype_initdecls, after_type_declarator,
1548 parm_declarator, notype_declarator, absdcl1, components, ivars):
1549 Don't allow attributes at the start of a declarator; include them
1550 in the production containing the declarator instead. Always
1551 require type specifiers before trying to redeclare a typedef name.
1552 (typename): Allow for attributes but warn that they are ignored.
1553 (parmlist, firstparm, setspecs_fp): Include attributes in
1554 parmlist; suck them off the parser stack in firstparm using
1557 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1559 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1560 to determine if a block has an unconditional jump at its end.
1562 * jump.c (jump_optimize_1): When converting a conditional jump
1563 to an unconditional jump, build the jump using gen_jump instead
1564 of just modify operands in-place.
1566 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1568 * cppinit.c (cpp_post_options): Shut off macro expansion if
1570 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1571 IN_I directives only if the # is in column 1 and the directive
1572 name begins in column 2.
1573 * cppmain.c (scan_buffer): Insert a space between # and an
1574 identifier, when that identifier is a directive name.
1576 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1577 in the header search path.
1578 (enum node_type): Add T_INCLUDE_NEXT.
1579 (directive_table): Add entry for include_next.
1580 (do_include_next): New function.
1581 (process_include): New routine, broken out of do_include.
1582 (finclude): Insert 'nhd' argument, to be copied into
1583 next_header_dir of the new buffer.
1584 (main): Adjust to match.
1585 * gsyslimits.h, limity.h: Un-indent #include_next.
1587 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1589 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1590 inclusion as a chapter of the GCC manual.
1591 * gcc.texi: Include objc.texi.
1592 * fdl.texi: Use @unnumberedsec for the addendum.
1593 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1595 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1597 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1599 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1601 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1602 handling of two-address insns.
1604 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1606 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1607 ../binutils/nm-new instead of ../binutils/nm.
1609 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1611 * i386.md (movdi splitter): Fix the splitting condition
1612 (float_extenddftf splitter): Fix mode.
1614 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1616 * genrecog.c (write_switch): Avoid outputting of switch for
1617 types wider than int.
1619 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1621 * reload1.c (copy_eh_notes): New function.
1622 (emit_input_reload_insns): Call it.
1623 (emit_output_reload_insns): Call it.
1625 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1627 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1629 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1630 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1632 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1634 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1636 * pa.md (interspace_jump): Revise comment.
1637 (builtin_longjmp): Block initial setup insns from delay slot of
1639 (builtin_setjmp_receiver): New expander to save and restore PIC
1642 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1644 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1646 * toplev.c (compile_file): Set up the output file before we call
1647 the various initializers for the compiler.
1649 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1650 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1652 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1653 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1655 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1657 * Makefile.in (tradcpp0): Correct typo in dependency list.
1659 2001-05-06 Geoff Keating <geoffk@redhat.com>
1661 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1662 the link register if we're not going to use it.
1664 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1665 (output_function_profiler): Likewise.
1667 2001-05-07 Alan Modra <amodra@one.net.au>
1669 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1671 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1673 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1674 zero-extend it. Make abs_inc unsigned.
1676 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1677 widest mode in narrowing and widening operations.
1679 * config/mips/mips.md: Sign extend CONST_INTs.
1681 2001-05-06 Andreas Jaeger <aj@suse.de>
1683 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1684 (i386 Options): Document -momit-leaf-frame-pointer.
1686 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1688 * c-typeck.c (internal_build_compound_expr): Check for
1689 array to pointer conversion just once.
1691 2001-05-05 Richard Henderson <rth@redhat.com>
1693 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1695 2001-05-05 Richard Henderson <rth@redhat.com>
1697 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1698 to the parent of the fixup region.
1700 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1702 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1704 * cpp.texi (__NO_INLINE): Document it.
1706 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1708 * cppfiles.c (struct include_file): New member err_no.
1709 (find_or_create_entry): Set it.
1710 (open_file): Don't set fds to -2. Instead, use err_no to
1711 remember previous errors, if any.
1713 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1715 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1716 between X and Y by using sequences of xgdx and xgdy.
1718 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1720 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1721 of '!' for the 'D' alternative ('!' is too strong).
1722 ("*logicalsi3_silshl16"): Likewise.
1723 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1724 ("movstrictsi"): Remove spurious '+'.
1725 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1726 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1727 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1730 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1732 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1734 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1736 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1739 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1741 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1744 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1746 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1747 soft register, use ror instead of rol.
1749 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1751 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1752 into account pre/post increment decrement for 68HC12.
1753 Fix other problems in replacement and fix call to reg_mentioned_p.
1755 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1757 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1758 Put the soft registers in bss for 68HC12.
1759 (L_regs_d3_4): New for _.d3 and _.d4.
1760 (L_regs_d5_6): Likewise.
1761 (L_regs_d1_2): Likewise.
1762 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1764 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1766 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1767 to the pre-processor when -fshort-double is specified.
1768 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1770 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1772 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1773 (__mulsi3): Rewrite for 68HC12.
1774 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1775 Mark 'x' constraint with earlyclobber to prevent a
1776 RELOAD_FOR_OTHER_ADDRESS to go in it.
1777 (mulhi3_m68hc12): New pattern.
1778 (mulhi3_m68hc11): Rename of mulhi3.
1779 (mulhi3): New expand for 68HC12 optimisation.
1780 (umulhisi3, mulhisi3): New patterns for 68HC12.
1782 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1784 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1785 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1786 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1788 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1790 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1791 constants cheap after reload.
1792 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1794 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1795 so that gcc prefers a shift by 16.
1796 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1798 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1800 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1802 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1804 * alpha.h: NULL_PTR -> NULL.
1811 * i386.md: Likewise.
1814 * m68hc11.h: Likewise.
1815 * rs6000.h: Likewise.
1818 * sparc.h: Likewise.
1822 * final.c: Likewise.
1824 * recog.c: Likewise.
1826 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1828 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1829 `bool' parameter to `int'.
1831 * hash.c (hash_lookup): Likewise.
1833 * hash.h (hash_lookup): Likewise.
1835 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1837 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1839 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1841 2001-05-03 Geoff Keating <geoffk@redhat.com>
1843 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1844 -malign-loops, -malign-functions.
1845 * i386.c (ix86_align_funcs): Delete.
1846 (ix86_align_loops): Delete.
1847 (ix86_align_jumps): Delete.
1848 (override_options): Mark -malign-* as obsolete. Emulate their
1849 behaviour with the -falign-* options. Default -falign-* from
1850 the processor table.
1851 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1852 patch of Wed May 2 13:09:36 2001.
1853 (LOOP_ALIGN): Delete.
1854 (LOOP_ALIGN_MAX_SKIP): Delete.
1855 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1856 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1858 2001-05-04 Andreas Jaeger <aj@suse.de>
1860 * except.h: Add prototype declaration for
1861 expand_builtin_init_dwarf_reg_sizes.
1863 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1865 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1867 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1869 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1871 ("bitcmpqi2"): New pattern for bit-extract and test.
1872 ("bitcmphi"): New pattern for bitb/bita instructions.
1874 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1876 * gccbug.in: Use a temporary directory when the mktemp command is
1879 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1881 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1883 (INITIALIZE_TRAMPOLINE): Call it.
1884 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1885 (TRAMPOLINE_TEMPLATE): Remove.
1886 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1887 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1890 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1892 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1893 and crtendS.o with PIC.
1895 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1897 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1899 (___subdi3, ___adddi3): Use x instead of y as index register.
1900 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1901 (__memset, __memcpy): Likewise.
1902 (regs): Put the soft registers in bss for 68HC12.
1903 (abort): Use trap to abort for 68hc12.
1904 (__mulhi3, __mulhi32): Use emul for 68hc12.
1905 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1907 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1909 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1910 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1911 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1912 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1913 Set 68HC12 min offset to -65536.
1914 (print_operand): Put parenthesis arround the operand if it refers
1915 to a symbol having the same name as a register.
1916 (m68hc11_z_replacement): When z register is replaced by its
1917 equivalent soft register, force the insn to be re-recognized.
1918 (m68hc11_check_z_replacement): Fix the test when destination is
1919 the index register and z dies in the insn.
1920 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1922 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1924 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1925 costs according to processor variant.
1926 (m68hc11_shift_cost): New function to compute shift costs.
1927 (m68hc11_rtx_costs): Define costs according to processor variant.
1928 (m6811_cost): Costs for 68HC11.
1929 (m6812_cost): Costs for 68HC12.
1930 (COSTS_N_INSNS): Remove.
1932 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1933 (DEFAULT_RTX_COSTS): Remove.
1934 (CONST_COSTS): Define costs according to OUTER_CODE.
1935 (processor_costs): New struct to define costs.
1936 (m68hc11_cost): Pointer to current costs.
1938 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1940 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1941 and use m68hc11_notice_keep_cc when using leax/leay.
1942 (addhi3 split): Reject split if the insn is handled by
1944 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1945 push must be handled in a special way if the source operand uses
1946 sp as index register.
1947 (m68hc11_notice_keep_cc): New function.
1948 (m68hc11_gen_movhi): Use it when an insn changes a register but
1950 (m68hc11_gen_movqi): Fix move for 68HC12.
1951 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1953 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1955 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1956 and don't pass operands[0] to emit_library_call_value.
1958 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1960 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1961 (zero_extendsi split): Simplify and use (zero_extendhi).
1962 (*addhi3): Remove 'w' constraint since stack pointer is handled
1964 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1965 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1966 (*ashrhi3_const): Fix shift by 7.
1967 (*lshrsi3_const16): Fix template.
1968 (call, call_value): Fix constraint and predicate.
1970 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1972 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1973 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1974 (CC_REGNUM): Likewise.
1975 (*unnamed splits): Use above constants instead of hard coded numbers.
1976 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1977 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1978 (*return_16bit, *unnamed peepholes): Likewise.
1980 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1982 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1983 rs6000/rs6000.h twice.
1985 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1987 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1988 (CPP_SPEC): Conditionally define MSDOS and GO32.
1989 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1990 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1992 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1994 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1996 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1998 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2000 * integrate.h (struct inline_remap): Add leaf_reg_map table.
2001 * integrate.c (expand_inline_function): Use xcalloc to allocate
2003 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
2006 2001-05-03 Mark Mitchell <mark@codesourcery.com>
2008 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
2011 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
2013 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
2014 linker if -mrelax is given.
2015 (TARGET_SWITCHES): Document -mrelax.
2017 Re-installed 2001-01-09's patch:
2018 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
2019 if it's wider than long and the target's long is wider than the
2022 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2024 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2025 directly include rs6000/rs6000.h. Instead do it in tm.h.
2027 2001-05-02 Stan Shebs <shebs@apple.com>
2029 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2030 NSConstantString for NeXT-style runtimes.
2031 (STRING_OBJECT_GLOBAL_NAME): New macro.
2032 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2033 OCTI_STRING_CLASS_DECL.
2034 (constant_string_global_id): New macro.
2035 (string_class_decl): Ditto.
2036 (setup_string_decl): New function.
2037 (build_objc_string_object): Use it to build a NeXT runtime
2038 compatible string initializer.
2040 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2042 * tradcpp.c (do_define): Make sure we don't walk past limit.
2044 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2046 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2047 offsets if not REG_OK_STRICT.
2049 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2050 (INT_REG_OK_FOR_INDEX_P): Likewise.
2051 (INT_REG_OK_FOR_BASE_P): Likewise.
2052 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2053 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2054 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2055 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2056 REG_OK_FOR_BASE_P. Take an additional parameter.
2057 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2058 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2059 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2060 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2061 rs6000_legitimate_address() and use it.
2062 * config/rs6000/rs6000.c: Update all callers.
2063 (rs6000_legitimate_address): New function.
2065 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2067 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2068 special_constant conditional blocks together.
2070 2001-05-02 Dale Johannesen <dalej@apple.com>
2072 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2074 (STRICT_ARGUMENT_NAMING): Define.
2075 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2076 function_arg_partial_nregs, setup_incoming_varargs): Remove
2077 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2080 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2082 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2084 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2087 * expr.c (store_field): Do nothing except elaborate side-effects if
2090 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2092 * c-lex.c: NULL_PTR -> NULL.
2094 * emit-rtl.c: Likewise.
2096 * genpeep.c: Likewise.
2098 * mips-tdump.c: Likewise.
2099 * reload1.c: Likewise.
2100 * rtlanal.c: Likewise.
2102 * stor-layout.c: Likewise.
2103 * toplev.c: Likewise.
2105 2001-05-01 Per Bothner <per@bothner.com>
2107 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2108 call do_pending_stack_adjust before emiting label.
2110 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2112 * extend.texi: Fix typo.
2114 2001-05-01 Stan Shebs <shebs@apple.com>
2116 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2117 of UOBJC_MODULES_decl.
2118 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2119 (generate_descriptor_table): Ditto.
2120 (generate_protocols): Ditto.
2121 (generate_protocol_list): Ditto.
2122 (generate_classref_translation_entry): Ditto.
2124 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2126 * invoke.texi (Optimize Options): Add documentation for `--param
2127 max-delay-slot-insn-search' and `--param
2128 max-delay-slot-live-search' and reorder --param section.
2129 * params.def: Modify initial comment.
2130 * params.h (param_info): Add `help' member.
2131 * toplev.c (lang_independent_params): Include `help' description.
2132 (display_help): Print --param parameters.
2134 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2136 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2137 Remove references to deleted files.
2138 (*-*-openbsd): No need to override xmake_file.
2139 (*-*-sysv4): Treat like *-*-sysv.
2141 * configure.in: Probe for ldopen in various places, and set up
2142 collect2 to be linked with them if found.
2143 Don't dink with Windows registry stuff unless $host_os is a
2144 Win32 os name. Check to see if we need -ladvapi32.
2145 * configure: Regenerate.
2147 * Makefile: Get rid of CLIB and HOST_CLIB.
2148 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2149 * build-make: Get rid of HOST_CLIB.
2151 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2152 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2153 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2154 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2155 config/rs6000/x-rs6000: Delete.
2157 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2160 24 x-host fragments remain, 0 x-cpu, 3 top level.
2162 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2164 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2165 * configure: Regenerate.
2167 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2169 * Makefile.in (install-headers): Remove redundant dependency.
2171 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2173 * c-tree.texi (USING_STMT): Document.
2175 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2177 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2178 * c-common.c: Likewise.
2179 * c-decl.c: Likewise.
2180 * combine.c: Likewise.
2181 * rs6000.c: Likewise.
2182 * except.c: Likewise.
2183 * explow.c: Likewise.
2185 * fold-const.c: Likewise.
2186 * function.c: Likewise.
2189 * integrate.c: Likewise.
2191 * objc/objc-act.c: Likewise.
2192 * recog.c: Likewise.
2193 * reg-stack.c: Likewise.
2194 * reload.c: Likewise.
2195 * reload1.c: Likewise.
2196 * simplify-rtx.c: Likewise.
2198 * varasm.c: Likewise.
2200 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2202 * diagnostic.def: New file.
2203 * diagnostic.h (diagnostic_t): New enum.
2204 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2206 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2208 * tsystem.h: Test only POSIX for availability of string.h
2210 * config.gcc (all systems): If USG appeared in xm_defines,
2211 change it to POSIX. If both USG and POSIX appeared, just
2212 delete USG. Remove unnecessary quotes around xm_defines
2214 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2215 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2216 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2217 powerpc-*-linux*): No need to set xm_defines - handled by
2218 global settings for *-*-linux*.
2220 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2222 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2223 Always include gstab.h, not system stab.h. Don't provide
2224 default definitions of N_CATCH or N_OPT. Always use the
2225 gstab.h variant of STAB_CODE_TYPE.
2226 * final.c: Don't include stab.h/gstab.h at all, or provide
2227 defaults for N_SLINE and N_SOL.
2229 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2230 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2232 * sdbout.c: Always include gsyms.h instead of system syms.h.
2234 * configure.in: No need to check for stab.h.
2235 * configure, config.in: Regenerate.
2236 * Makefile.in (final.o): Don't depend on gstab.h.
2238 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2239 Richard Henderson <rth@redhat.com>
2241 * extend.texi: Improve documentation of volatile asms.
2243 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2245 * c-tree.texi: Fix thinko.
2246 * gcc.texi: Likewise.
2248 2001-04-30 Richard Henderson <rth@redhat.com>
2250 * c-common.c (c_promoting_integer_type_p): New function, from the
2251 corpse of old macro. Properly promote too-small enumerations and
2252 booleans. Adjust all callers.
2253 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2254 (c_promoting_integer_type_p): Declare.
2255 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2256 * c-typeck.c: Likewise.
2257 (default_conversion): Remove now redundant boolean check.
2259 2001-04-30 Jan Hubicka <jh@suse.cz>
2260 Richard Henderson <rth@redhat.com>
2262 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2264 (combine_stack_adjustments_for_block): Don't combine stack
2265 allocation followed by deallocations. Handle grow-up stacks.
2267 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2269 * fdl.texi: New file.
2270 * c-tree.texi: Use the GFDL.
2271 * gcc.texi: Likewise.
2273 2001-04-30 Stan Shebs <shebs@apple.com>
2275 * invoke.texi: Add a section documenting Objective-C options.
2277 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2279 * emit-rtl.c (try_split): Copy EH notes to sequence.
2281 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2283 * regmove.c (record_stack_memrefs): Catch all references to the
2286 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2288 * Makefile.in (stmp-fixinc): quote shell assignment values
2290 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2292 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2296 * prefix.c: Likewise.
2298 2001-04-28 Stan Shebs <shebs@apple.com>
2300 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2301 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2302 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2303 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2305 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2306 (NEXT_OBJC_RUNTIME): Define.
2308 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2310 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2311 * simplify-rtx.c (simplify_gen_relational): Likewise.
2313 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2315 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2316 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2318 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2319 registers in SSE case; fix handling of the immediates.
2320 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2321 operands to be in regsiters before reload.
2322 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2323 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2324 (abstf,absxf,negtf,negxf splitters): Compute
2325 properly the regnum for x86_64.
2326 (avsdf2_if_rex64): New.
2328 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2330 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2331 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2332 into the constant pool.
2333 * jump.c (jump_optimize_1): Remove barrier successors after all
2334 the LABEL_NUSES counds have been computed.
2335 (delete_barrier_successors): When deleting a tablejump insn, also
2336 delete the jump table it uses.
2337 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2340 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2342 * pa.c (FRP): Remove erroneous white space in macro definition.
2344 2001-04-28 Andreas Jaeger <aj@suse.de>
2346 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2348 * extend.texi: Likewise.
2349 * tm.texi: Likewise.
2351 2001-04-28 Andreas Jaeger <aj@suse.de>
2353 * md.texi: Use XX-bit instead of XXbit or XX bit where
2356 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2358 * gcc.c (process_command): Allow -l lib in addition to -llib
2359 for POSIX compliance. This fixes PR c/2347.
2361 * invoke.texi: Update section on Link Options accordingly.
2363 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2365 * function.c (purge_addressof_1): Remove the duplicate
2366 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2369 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2371 * except.c (expand_eh_region_start): Don't start a new block.
2372 (expand_eh_region_end): Don't end a block.
2373 * stmt.c (expand_end_bindings): Don't end EH blocks.
2374 (expand_decl_cleanup): Starting an EH region won't change the block.
2375 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2376 (is_eh_region): Lose.
2379 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2381 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2383 * collect2.c (main): Add `-L' case to remove duplicate entries.
2384 (is_in_args): New function to check for a duplicate argument.
2385 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2386 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2387 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2388 Define to be nonzero.
2390 2001-04-27 Andreas Jaeger <aj@suse.de>
2391 Richard Henderson <rth@redhat.com>
2393 * md.texi (Machine Constraints): Document additional i386
2394 constraints and fix description of "A".
2396 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2398 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2400 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2402 * except.c (get_exception_filter): word_mode, not Pmode.
2404 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2406 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2407 common to other movsf patterns. Move up so that in future
2408 people who change the other patterns will change it too.
2409 (movsf_lo_sum): Allow even for soft-float; add appropriate
2411 (movsf_high): Likewise.
2412 (movsf_high+1): Allow even for soft-float.
2414 * function.c (expand_function_end): Always clobber the
2415 return registers, even if there is no return label.
2417 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2419 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2421 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2423 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2424 (pushqi2_rex64, pushhi2_rex64): Add.
2426 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2428 * except.c (expand_eh_region_end_cleanup): Force pending stack
2429 adjust before emitting label that branches around cleanup code.
2431 2001-04-26 H.J. Lu (hjl@gnu.org)
2433 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2435 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2437 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2438 (ASM_OUTPUT_SECTION_NAME): Likewise.
2439 (ASM_WEAKEN_LABEL): Likewise.
2440 (UNIQUE_SECTION): Likewise.
2441 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2442 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2443 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2444 (ASM_OUTPUT_SECTION_NAME): Likewise.
2445 (ASM_WEAKEN_LABEL): Likewise.
2446 (UNIQUE_SECTION): Likewise.
2447 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2448 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2449 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2450 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2451 (ASM_FILE_START): Likewise.
2452 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2453 (ASM_DECLARE_OBJECT_NAME): Likewise.
2454 (ASM_FILE_END): Likewise.
2455 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2456 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2457 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2458 (ASM_OUTPUT_CASE_LABEL): Likewise.
2459 (ASM_OUTPUT_SKIP): Likewise.
2460 (ASM_OUTPUT_ASCII): Likewise.
2461 (ASM_OUTPUT_IDENT): Likewise.
2462 (READONLY_DATA_SECTION): Likewise.
2463 (EXTRA_SECTIONS): Likewise.
2464 (EXTRA_SECTION_FUNCTIONS): Likewise.
2465 (SELECT_RTX_SECTION): Likewise.
2466 (SELECT_SECTION): Likewise.
2468 * config/mips/linux.h (INVOKE__main): Undefine.
2469 (CTOR_LIST_BEGIN): Likewise.
2470 (CTOR_LIST_END): Likewise.
2471 (DTOR_LIST_BEGIN): Likewise.
2472 (DTOR_LIST_END): Likewise.
2473 (SET_ASM_OP): Defined it to ".dummy".
2474 (ASM_OUTPUT_DEF): Defined.
2475 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2477 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2479 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2480 assembler supports .p2align.
2482 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2484 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2486 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2488 * integrate.c (expand_inline_function): Check for error_mark_node
2491 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2493 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2496 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2498 * configure.in (configargs.h): Define thread_model.
2499 * configure: Rebuilt.
2500 * gcc.c (main): Print it with -v.
2502 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2504 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2505 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2506 * gcc.1: Regenerate.
2508 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2510 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2511 is_redundant_typedef): Use static inline instead of inline static.
2513 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2515 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2516 this directory is always searched.
2518 2001-04-25 Richard Henderson <rth@redhat.com>
2520 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2521 of registers to restore along non eh_return path.
2523 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2525 * c-format.c (check_format_info_recurse): Handle
2526 PLUS_EXPR for format string.
2528 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2530 * config/ia64/ia64.h (CC1_SPEC): Define.
2531 * config/ia64/linux.h (CC1_SPEC): Define.
2533 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2535 * emit-rtl.c (constant_subword): Also do sign extension in
2536 BITS_PER_WORD == 16 case.
2538 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2540 * loop.c (try_swap_copy_prop): Go back to checking insn.
2542 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2544 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2545 if check_mode is non-zero.
2547 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2549 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2550 out and comparison sequence has been detected, put result into
2551 proper temporary pseudo.
2553 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2555 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2556 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2557 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2558 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2559 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2560 for future reference.
2562 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2564 * except.c (reachable_handlers): Step out one level from a RESX.
2566 * except.c (struct eh_region): Rename 'last' to 'resume'.
2567 (mark_eh_region, duplicate_eh_region_1): Adjust.
2568 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2569 (build_post_landing_pads): Likewise.
2570 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2571 (expand_eh_region_end_must_not_throw): Likewise.
2572 (connect_post_landing_pads): Thread (only) regions with non-deleted
2575 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2576 registers around the cleanup.
2577 (get_exception_filter): New fn.
2578 (finish_eh_generation): Use it.
2580 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2582 * c-semantics.c (add_scope_stmt): Don't call
2583 current_scope_stmt_stack multiple times.
2585 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2586 Nathan Sidwell <nathan@codesourcery.com>
2588 Lazy __FUNCTION__ generation.
2589 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2590 RID_C99_FUNCTION_NAME): New _RIDs.
2591 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2592 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2593 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2595 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2596 (c99_function_name_decl_node, function_name_decl_node,
2597 pretty_function_name_decl_node, saved_function_name_decls):
2599 (struct language_function): Remove x_function_name_declared_p.
2600 (make_fname_decl): Remove a parameter.
2601 (declare_function_names): Remove prototype.
2602 (start_fname_decls, finish_fname_decls): Prototype.
2603 (fname_as_string): Likewise.
2604 (fname_string, fname_decl): Likewise.
2605 * c-common.c (make_fname_decl): Adjust.
2606 (struct fname_var_t): New struct.
2607 (fname_vars): New static array.
2608 (declare_function_name): Remove.
2609 (start_fname_decls, finish_fname_decls): New functions.
2610 (fname_as_string): New function from remnants of
2611 declare_function_name.
2612 (fname_string, fname_decl): New functions.
2614 * c-decl.c (c_function_name_declared_p): Remove.
2615 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2616 don't call declare_function_name. Call start_fname_decls.
2617 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2618 clobber the line number. Call finish_decl.
2619 (start_function): Call start_fname_decls.
2620 (finish_function): Call finish_fname_decls.
2621 Remove c_function_name_declared_p.
2622 (push_c_function_context): Don't push c_function_name_declared_p.
2623 (pop_c_function_context): Don't pop c_function_name_declared_p.
2624 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2625 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2626 (program): Call finish_fname_decls for C.
2627 (primary): Add VAR_FUNC_NAME.
2628 (reswords): Add slots for __FUNCTION__ et al.
2629 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2630 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2631 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2632 * c-semantics.c (prune_unused_decls): Remove.
2633 (finish_stmt_tree): Don't call prune_unused_decls.
2634 (genrtl_decl_stmt): Don't prune unused decls here.
2636 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2638 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2639 constant pool, use the pool's SYMBOL_REF instead.
2641 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2644 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2646 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2647 passing nested NOP_EXPRs to fold.
2649 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2651 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2653 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2655 * loop.c (loop_delete_insns): Add prototype.
2657 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2659 * configure.in: Remove ENABLE_STD_NAMESPACE.
2660 * config.in: Regenerated.
2661 * configure: Regenerated.
2663 2001-04-22 Stan Shebs <shebs@apple.com>
2665 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2667 * config/rs6000/xm-darwin.h: Remove file.
2669 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2671 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2672 (write_c_file_stat): Likewise.
2674 * dbxout.c (dbxout_init): Likewise.
2676 * profile.c (output_func_start_profiler): Likewise.
2678 2001-04-22 Philipp Thomas <pthomas@suse.de>
2680 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2681 require it instead of the CVS version.
2682 * cpperror.c (v_message): Put a blank before the macro
2683 body to not confuse exgettext.
2685 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2687 * flow.c (proagate_one_insn): Remove useless assignment.
2688 * jump.c (delete_insn): Tidy.
2689 * loop.c (try_copy_prop): When deleting an instruction with a
2690 REG_RETVAL note, delete the entire libcall sequence.
2691 (loop_delete_insns): New function.
2692 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2693 we're not substituting into them yet.
2695 2001-04-21 Kazu Hirata <kazu@hxi.com>
2697 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2699 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2701 * config/i960/i960.c (signed_arith_operand): Likewise.
2703 * calls.c (expand_call): Fix a comment typo.
2705 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2707 * configure.in: Probe for times, clock, struct tms, and clock_t.
2708 * configure, config.in: Regenerate.
2709 * timevar.c: Replace ifdef forest in get_time with (relatively)
2710 straightforward series of checks based on autoconf's probes.
2712 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2714 * config/pa/som.h (NM_FLAGS): Define.
2716 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2718 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2720 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2721 * ia64.c (nop_cycles_until): New function.
2722 (prev_cycle, prev_first, last_issued): New static variables.
2723 (ia64_sched_reorder): Additional arg for clock.
2724 On final scheduling pass, emit extra NOPs as needed.
2725 Set prev_first and prev_cycle.
2726 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2727 (ia64_variable_issue): Set last_issued.
2729 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2731 * config/i386/i386.c (ix86_expand_int_movcc,
2732 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2734 2001-04-20 Geoff Keating <geoffk@redhat.com>
2736 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2737 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2738 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2739 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2740 ctrdi_internal6): In the short-branch case, this insn is only 4
2741 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2743 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2745 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2746 "=u" is used together with "st" resp. "st(1)" clobber.
2748 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2750 * gcse.c (gcse_main): Fix comment typo.
2751 (delete_null_pointer_check): Likewise.
2752 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2753 * cse.c (cse_insn): Likewise.
2754 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2757 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2759 * toplev.c: Excise all code for the undocumented -dm option.
2760 (float_signal): Call signal just once, unconditionally.
2762 2001-04-19 Geoff Keating <geoffk@redhat.com>
2764 * fold-const.c (fold): Use first_rtl_op rather than
2765 TREE_CODE_LENGTH when looping over parameters of a tree.
2766 Correct strange grouping in test for evaluated SAVE_EXPR.
2768 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2770 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2771 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2773 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2774 name at 32 total characters.
2775 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2776 functions in named sections -- data items can still go into unique
2777 sections, but they have normal names (ie $LIT$ and $DATA$).
2779 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2782 2001-04-19 DJ Delorie <dj@redhat.com>
2784 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2785 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2786 * config/i386/cygwin.h: Likewise.
2787 * config/i386/mingw32.h: Likewise.
2788 * config/vax/vms.h: Likewise.
2789 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2791 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2792 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2793 * config/i386/xm-cygwin.h: Likewise.
2794 * config/i386/xm-djgpp.h: Likewise.
2795 * config/i386/xm-mingw32.h: Likewise.
2796 * config/vax/xm-vms.h: Likewise.
2798 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2799 instead of OBJECT_SUFFIX.
2800 * collect2.c (find_a_file): Look for files matching the extension
2801 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2802 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2803 TARGET_EXECUTABLE_SUFFIX.
2804 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2805 (make_relative_prefix): Likewise.
2806 (convert_filename): Use TARGET_ suffixes throughout. Remove
2808 (process_command): Likewise.
2809 (do_spec_1): Likewise.
2810 * java/lang.c (init_parse): Likewise.
2812 * gcc.texi : Document four new options matching the pattern
2813 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2814 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2815 documentation for NO_AUTO_EXE_SUFFIX.
2817 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2819 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2820 that language-independent processing should not be done.
2821 * toplev.c (main): Adjust accordingly.
2823 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2824 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2826 * mips.md (reload_outputdi): Require that operand0 be a
2829 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2831 * invoke.texi (-Wshadow): Clarify.
2833 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2835 * loop.c (load_mems): Examine all the instructions in the loop
2836 before concluding that all jumps branch to the first instruction
2839 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2841 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2843 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2845 * cpp.texi (-Wwhite-space): Remove.
2846 (-Wall): -Wall does not imply -Wwhite-space.
2848 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2850 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2851 use it instead of blindly generating a .stabs.
2852 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2854 * xcoffout.c: Don't bother defining default for N_CATCH.
2855 (UNKNOWN_STAB): Use internal_error.
2856 (stab_to_sclass): Remove now-unnecessary aborts.
2857 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2859 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2861 * jump.c (mark_all_labels): Canonicalize the tail recursion
2862 label attached to CALL_PLACEHOLDER insns.
2864 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2866 * output.h (dump_flow_info, free_basic_block_vars,
2867 which_alternative): Delete redundant prototypes.
2869 * rtl.h (bss_section): Likewise.
2871 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2873 * dbxout.c (N_OPT): Define if not available from <stab.h>
2875 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2877 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2878 libraries and native K&R compilers.
2880 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2882 * c-typeck.c (convert_arguments): Don't check for width changes
2885 * invoke.texi (-Wtraditional): Update documentation.
2887 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2889 * toplev.c (output_lang_identify): Delete.
2890 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2891 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2892 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2893 after calling ASM_FILE_END.
2895 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2896 Instead, unconditionally emit an N_OPT stab with string equal
2897 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2899 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2901 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2902 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2903 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2904 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2905 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2906 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2907 config/i370/i370.h, config/i386/beos-elf.h,
2908 config/i386/osf1elf.h, config/i386/osfrose.h,
2909 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2910 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2911 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2912 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2913 config/mips/iris6.h, config/mips/osfrose.h,
2914 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2915 config/sparc/sp64-elf.h:
2916 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2917 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2919 * config/elfos.h, config/freebsd.h, config/linux.h,
2920 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2921 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2922 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2923 of ASM_FILE_START which merely emit a .version directive. Delete
2924 definitions of ASM_FILE_END which merely emit an .ident directive.
2926 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2927 ASM_IDENTIFY_GCC and move part of its logic into
2930 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2931 config/sparc/linux-aout.h: Don't emit .version directive in
2934 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2935 (output_file_start): Correct comment.
2937 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2938 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2940 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2941 * config/rs6000/aix.h: Correct comment.
2943 * config/i386/i386afe.h: Delete.
2944 * config.gcc: Remove references to i386afe.h.
2946 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2947 other macros deleted by this patch were undocumented.
2949 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2951 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2953 * pa.c (secondary_reload_class): SAR<->FP copies require a
2956 * install.texi (mips-mips-bsd): Update list of functions
2957 required to include memmove.
2958 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2959 used functions to include memmove.
2961 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2963 * i386.md (sqrtdf2): SFmode should be DFmode.
2965 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2967 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2968 (find_moveable_store): Likewise.
2970 2001-04-15 Jim Wilson <wilson@redhat.com>
2972 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2974 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2976 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2977 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2979 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2981 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2984 2001-04-14 Alan Modra <amodra@one.net.au>
2986 * pa.c (force_mode): New function.
2987 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2989 2001-04-13 Jim Wilson <wilson@redhat.com>
2991 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2992 (first_instruction): New static variable.
2993 (rtx_needs_barrier): Return 1 for alloc.
2994 (init_insn_group_barriers): Set first_instruction.
2995 (rws_sum): Delete duplicate definition.
2996 (group_barrier_needed_p): Return 0 when first_instruction true.
2997 (safe_group_barrier_needed_p): Save and restore first_instruction
2998 around group_barrier_needed_p call.
3000 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
3002 * expr.h (enum libfunc_index): Add LTI_memmove.
3003 (memmove_libfunc): Define macro.
3004 * optabs.c (init_optabs): Initialize memmove_libfunc.
3005 * expr.c (expand_assignment): Use memmove_libfunc instead of
3008 2001-04-13 Alan Modra <alan@linuxcare.com.au>
3010 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
3013 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3015 * Makefile.in (reg-stack.o): Depend on reload.h.
3016 (insn-attrtab.o): Depend on flags.h.
3018 * genattrtab (main): Include flags.h in insn-attrtab.c.
3020 * reg-stack.c: Include reload.h.
3022 * sparc.h (flag_pic): Delete redundant declaration.
3024 * output.h (flag_pic): Likewise.
3026 * tree.h (pedantic): Likewise.
3028 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3030 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3032 * jump.c, regmove.c, toplev.c: Include reload.h.
3034 * reload.h (reload_cse_regs): Declare.
3036 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3037 reload_cse_regs, init_reload, mark_home_live, reload,
3038 init_caller_save): Delete redundant prototypes.
3040 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3042 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3044 * regclass.c, ssa.c: Include expr.h.
3046 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3047 gen_move_insn): Delete redundant declarations.
3049 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3051 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3052 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3053 MAKEINFO and MAKEINFOFLAGS too.
3054 (stage4_build): Correctly order -B flags.
3056 2001-04-13 Alan Modra <amodra@one.net.au>
3058 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3059 PIC_OFFSET_TABLE_SAVE_RTX.
3060 (zdepi_cint_p): Describe zdepi insn.
3061 Formatting and white space fixes throughout file.
3063 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3064 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3065 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3066 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3067 (output_64bit_and): Use plain `int's for shift counts.
3068 (output_64bit_ior): Likewise.
3069 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3070 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3073 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3074 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3075 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3076 NEW_HP_ASSEMBLER into one. Kill warnings.
3078 * pa-gas.h: Delete file.
3079 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3080 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3081 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3082 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3084 * config/pa/mill32.S: New file.
3085 * config/pa/mill64.S: New file.
3086 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3087 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3088 * config/pa/t-linux64: New file.
3089 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3090 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3091 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3093 * elfos.h (SELECT_SECTION): Undef before defining.
3094 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3095 (LIB_SPEC): Remove -lmilli.
3096 (DBX_REGISTER_NUMBER): Remove.
3097 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3098 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3099 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3100 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3101 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3102 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3103 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3104 TARGET_GAS): Define.
3105 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3106 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3107 regs if we don't have a prototype.
3108 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3109 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3110 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3111 EH_RETURN_HANDLER_RTX): Define.
3112 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3113 (DWARF_FRAME_REGNUM): Define.
3114 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3115 * pa32-linux.h: New file.
3116 * pa64-linux.h: New file.
3118 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3119 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3120 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3121 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3122 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3123 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3124 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3125 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3126 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3127 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3128 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3129 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3130 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3131 * pa64-hpux.h: New file.
3132 (ASM_FILE_START): Correct typo.
3133 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3134 * config.gcc: Modify for above.
3136 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3138 * jump.c (jump_optimize_1): Don't delete dead stores here.
3139 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3140 prior to running jump optimize before cse2.
3142 2001-04-12 Richard Henderson <rth@redhat.com>
3144 * Makefile.in (regmove.o): Depend on except.h.
3145 * regmove.c: Include it.
3147 2001-04-12 Stan Shebs <shebs@apple.com>
3149 * objc/objc-act.c: Remove all code ifdefed with the never-used
3150 macro OBJC_INT_SELECTORS.
3151 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3152 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3154 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3156 * config/pa/quadlib.c: Add prototypes.
3158 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3160 * bitmap.h (debug_bitmap): Delete redundant prototype.
3162 * rtl.h (get_frame_size): Likewise.
3164 2001-04-12 Jim Wilson <wilson@redhat.com>
3166 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3167 to just emit an fnorm.
3169 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3171 * c-common.h (truthvalue_conversion, type_for_mode,
3172 type_for_size): Delete redundant declarations.
3174 * c-lex.h (is_class_name): Likewise.
3176 * c-tree.h (pedantic, convert, getdecls, gettags,
3177 global_bindings_p, init_decl_processing, insert_block,
3178 maybe_build_cleanup, poplevel, print_lang_decl,
3179 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3180 set_block, incomplete_type_error, build_function_call,
3181 lvalue_or_else, mark_addressable): Likewise.
3183 * expr.h (expand_tree_builtin): Likewise.
3185 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3187 * invoke.texi: Document --param max-gcse-memory.
3189 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3191 * configure.in (errno): Check for declaration.
3192 * configure, config.in: Regenerated.
3194 * system.h (errno): Only declare if not already done.
3196 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3198 * recog.c (general_operand, immediate_operand,
3199 nonmemory_operand): Require CONST_INTs to be sign-extended
3200 values for their modes.
3202 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3204 * expmed.c (store_bit_field): Truncate CONST_INTs.
3205 (expand_mult_highpart, expand_divmod): Likewise.
3206 * expr.c (convert_modes, store_field): Likewise.
3207 * integrate.c (expand_inline_function): Use promote_mode() to
3208 determine whether to convert_modes() an argument as signed
3210 * optabs.c (expand_binop): Get CONST_INT operands
3211 sign-extended for their appropriate modes.
3212 * stmt.c (emit_case_nodes): Convert node values to the
3214 (expand_end_case): Convert minval and range to the appropriate
3216 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3217 the iteration variable.
3218 * varasm.c (immed_double_const): Don't require words to be
3219 narrower than host wide ints to properly sign-extend
3222 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3224 * sh.md (builtin_setjmp_receiver): New expander.
3226 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3228 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3229 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3230 for generating CONST_INT and CONST_DOUBLE.
3232 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3234 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3235 already sign-extended.
3236 (rs6000_emit_prologue): Make register iterator signed.
3237 (rs6000_emit_epilogue): Likewise.
3238 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3240 (movsf split, movdf split): Sign-extend CONST_INTs.
3241 (movdi splits): Likewise.
3243 2001-04-12 Kelley Cook <kelley.cook@home.com>
3245 * config-lang.in (lang_dirs): Add in zlib.
3247 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3249 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3250 operands that make it to RTL.
3252 2001-04-11 Stan Shebs <shebs@apple.com>
3254 Add Darwin (Mac OS X kernel) native support.
3255 * config.gcc (powerpc-*-darwin*): Add native bits.
3256 * config/darwin.c: New file, generic Darwin support functions.
3257 * config/darwin.h: New file, generic Darwin definitions.
3258 * config/darwin-protos.h: New file, generic Darwin prototypes.
3259 * rs6000/darwin.h: New file, Darwin for PowerPC.
3260 * rs6000/t-darwin: New file, Darwin makefile fragment.
3261 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3262 (TARGET_MACHO): Ditto.
3263 (rs6000_abi): Add ABI_DARWIN.
3264 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3265 (RS6000_SAVE_AREA): Ditto.
3266 (FP_ARG_MAX_REG): Ditto.
3267 (RETURN_ADDRESS_OFFSET): Ditto.
3268 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3270 (rs6000_emit_move): Add ABI_DARWIN cases.
3271 (print_operand): Ditto.
3272 (first_reg_to_save): Ditto.
3273 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3274 (debug_stack_info): Ditto.
3275 (rs6000_emit_prologue): Ditto.
3276 (rs6000_emit_epilogue): Ditto.
3277 (output_profiler_hook): Ditto.
3278 (output_function_profiler): Ditto.
3279 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3280 (output_mi_thunk): Add TARGET_MACHO case.
3281 (add_compiler_stub): Ditto.
3282 (output_compiler_stub): Ditto.
3283 (no_previous_def): Ditto.
3284 (output_call): Ditto.
3285 (machopic_output_stub): Ditto.
3286 (rs6000_machopic_legitimize_pic_address): Ditto.
3287 (toc_section): Ditto.
3288 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3289 (macho_high): Ditto.
3292 (load_macho_picbase): Ditto.
3293 (call): Add TARGET_MACHO case to modify function.
3294 (call_value): Ditto.
3295 (call_nonlocal_sysv): Add ABI_DARWIN case.
3296 (call_value_nonlocal_sysv): Ditto.
3297 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3299 (machopic_output_stub): Ditto.
3300 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3302 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3304 * dwarf2out.c (modified_type_die): Don't create new types here.
3305 * tree.h (get_qualified_type): New function.
3306 (build_qualified_type): Adjust comment.
3307 * tree.c (get_qualified_type): New function.
3308 (build_qualified_type): Use it.
3310 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3312 * cpp.texi (-Wtraditional): Update description.
3314 * invoke.texi (-Wtraditional): Likewise.
3316 2001-04-11 Jim Wilson <wilson@redhat.com>
3318 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3319 requires more than 64 bits of alignment.
3321 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3323 * cpplib.c (do_line): Sanity check iff enable checking.
3325 2001-04-11 Richard Henderson <rth@redhat.com>
3327 * Makefile.in (insn-recog.o): Depend on toplev.h.
3328 (insn-emit.o, doloop.o): Likewise.
3329 * genrecog.c, genemit.c: Include toplev.h in generated file.
3330 * doloop.c: Include toplev.h.
3332 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3334 * Makefile.in (gcse.o): Depend on params.h.
3335 * gcse.c: Include params.h.
3336 (gcse_main): Don't do GCSE if doing so will take inordinate
3338 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3339 * params.h (MAX_GCSE_MEMORY): New macro.
3341 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3343 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3345 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3347 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3349 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3351 * real.h (ereal_atof, real_value_truncate, target_isnan,
3352 target_isinf, target_negative, assemble_real, debug_real): Delete
3353 redundant prototypes.
3355 * Makefile.in (ifcvt.o): Depend on toplev.h.
3357 * c-semantics.c: Include expr.h.
3359 * ifcvt.c: Include toplev.h.
3361 * expr.h (rtx_equal_p): Delete prototype.
3363 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3364 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3365 eliminate_constant_term, expand_complex_abs, find_single_use,
3366 make_tree, init_expr_once, init_optabs, supports_one_only):
3369 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3370 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3371 expand_assignment, store_expr, emit_line_note_after,
3372 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3374 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3376 * sparc-protos.h: Delete redundant prototypes.
3378 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3380 * reload.c (push_reload): Add condition missed in SUBREG byte
3383 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3385 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3387 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3389 * i386.md (floatsisf_sse): Fix output template
3390 * i386.c (ix86_expand_fp_movcc)
3392 * reg-stack.c (emit_pop_insn): Handle complex modes.
3393 (move_for_stack_reg): Emit proper move mode.
3394 (subst_stack_regs_pat): Handle complex modes.
3396 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3398 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3400 2001-04-10 Richard Henderson <rth@redhat.com>
3402 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3403 (__pure_virtual, __terminate, __terminate_set_func,
3404 __default_terminate, __throw_type_match, __empty,
3405 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3406 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3407 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3408 Remove prototypes of deleted functions.
3410 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3412 * c-typeck.c (convert_arguments): -Wtraditional now activates
3413 -Wconversion warnings, except for changes in signed-ness.
3414 Detect complex<->int & int<->complex conversions as well.
3416 * invoke.texi (-Wtraditional): Document it.
3418 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3420 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3421 * flow.c (set_block_for_new_insns): Remove needless cast and
3422 properly check for unset block number.
3424 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3426 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3427 the subreg was a hard register. Pseudos are left as subregs.
3429 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3431 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3432 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3433 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3434 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3435 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3437 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3439 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3441 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3443 * output.h (set_block_num): Missed it earlier, remove deprecated
3446 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3448 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3449 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3450 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3451 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3452 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3453 (expr_killed_p): Change bb parameter from int to basic_block, pass
3454 basic_blocks instead of ints as parameters.
3455 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3456 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3457 from int to basic_block, pass basic_blocks instead of ints as parms.
3458 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3459 parameter from int to basic_block, pass basic_blocks instead of ints.
3460 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3461 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3462 pass basic_blocks instead of ints.
3463 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3464 basic_blocks instead of ints as parameters.
3465 (pre_delete): Pass basic_blocks instead of ints as parameters.
3466 (hoist_expr_reaches_here_p): Change bb parameter from int to
3467 basic_block, pass basic_blocks instead of ints.
3468 (hoist_code): Pass basic_blocks instead of ints as parameters.
3469 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3470 Change bb parameter from int to basic_block.
3471 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3472 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3473 pass basic_blocks instead of ints.
3474 (insert_store): Pass basic_blocks instead of ints as parameters.
3475 (replace_store_insn, delete_store): Change bb parameter from int to
3476 basic_block, pass basic_blocks instead of ints.
3477 (store_motion): Pass basic_blocks instead of ints as parameters.
3479 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3481 * basic-block.h (set_new_block_for_insns): New Prototype.
3482 (set_block_num): Delete prototype.
3483 * flow.c (set_block_num): Remove obsolete function.
3484 (set_block_for_new_insns): Set BB for single or multiple insns.
3485 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3486 (process_insn_end_bb): Use set_block_for_new_insns or
3487 set_block_for_insn instead of set_block_num.
3488 (pre_insert_copy_insn): Use set_block_for_new_insns.
3489 (update_ld_motion_stores): Use set_block_for_new_insns.
3490 (insert_insn_start_bb): Use set_block_for_new_insns.
3491 (replace_store_insn): Use set_block_for_new_insns.
3493 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3494 Jeff Law <law@redhat.com>
3496 * alias.c (get_addr): Externalize.
3497 (canon_true_dependence): New function. Behaves like true_dependance
3498 except it already assumes a MEM has been canonicalized.
3499 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3500 * gcse.c (struct ls_expr): Add load/store expressions structure.
3501 (modify_mem_list, canon_modify_mem_list): New variable.
3502 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3503 load motion and store motion if requested.
3504 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3505 (free_gcse_mem): Free the modify_mem_list array.
3506 (oprs_unchanged_p): Use load_killed_in_block_p.
3507 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3508 (mems_conflict_for_gcse_p): New function. Don't kill loads
3509 with stores to themselves if its in the load/store expression list.
3510 (load_killed_in_block_p): New function.
3511 (canon_list_insert): New Function.
3512 (record_last_mem_set_info): Keep a list of all instructions which
3513 can modify memory for each basic block.
3514 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3515 (oprs_not_set_p): Use load_killed_in_block_p.
3516 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3517 (expr_killed_p): Use load_killed_in_block_p.
3518 (compute_transp): Do not pessimize memory references.
3519 (pre_edge_insert): Update stores for a load motion expression.
3520 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3521 (ldst_entry): Find or create a ldst_expr structure.
3522 (free_ldst_entry): Free memory for an individual item.
3523 (free_ldst_mems): Free entire load/store expression list.
3524 (print_ldst_list): Print debug info.
3525 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3526 (enumerate_ldsts): Assign integer values to each entry in list.
3527 (first_ls_expr): First expression in the list.
3528 (next_ls_expr): Next expression in the list.
3529 (simple_mem): Check if expression qualifies for ld/st expression list.
3530 (invalidate_any_buried_refs): Remove from expression list if its
3531 used in some other way we dont understand.
3532 (compute_ld_motion_mems): Find all potential enhanced load motion
3534 (trim_ld_motion_mems): Remove any expressions which are invalid.
3535 (update_ld_motion_stores): Copy store values to registers for loads
3536 which have been moved.
3537 (regvec, st_antloc, num_store): New global statics.
3538 (reg_set_info): Marks registers as set.
3539 (store_ops_ok): Verfies registers expressions are valid in a block.
3540 (find_moveable_store): Look for moveable stores in a pattern.
3541 (compute_store_table): Find stores in a function worth moving, maybe.
3542 (load_kills_store): Check dependance of a load and store.
3543 (find_loads): Find any loads in a pattern.
3544 (store_killed_in_insn): Check if a store is killed in an insn.
3545 (store_killed_after): Check is store killed after an insn in a block.
3546 (store_killed_before): Check is store killed before an insn in a block.
3547 (build_store_vectors): Generate the antic and avail vectors.
3548 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3549 (insert_store): Add a store to an edge.
3550 (replace_store_insn): Replace a store with a SET insn.
3551 (delete_store): Delete a store insn.
3552 (free_store_memory): Free memory.
3553 (store_motion): Perform store motion.
3554 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3555 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3556 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3557 (f_options): Add gcse-lm and gcse-sm.
3559 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3561 * i386.c (expand_fp_movcc): Fix condition reversal code.
3563 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3564 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3565 (CLASS_MAX_NREGS): Use it.
3567 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3568 handle properly complex values.
3569 (CLASS_MAX_NREGS): Likewise; update comment.
3571 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3573 * ia64.c (ia64_flag_schedule_insns2): New variable.
3574 (ia64_override_options): Initialize it. Clear
3575 flag_schedule_insns_after_reload.
3576 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3578 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3580 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3581 Do not require source to match destination anymore;
3582 Add abort to the nontrivial cases that should be handled by split.
3583 (fix_trunc?fdi): Add SSE case for x86_64.
3584 (floatdi?f): Likewise.
3585 (floatdi?f_sse): New.
3586 (fix_trunc?fdi_sse): New.
3588 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3590 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3591 (DEBUG_ARANGES_END_LABEL): Ditto.
3592 (dwarfout_init): Generate length and version fields at the start
3593 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3594 after the length field.
3595 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3596 the .debug_aranges info.
3598 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3600 * i386.c (call, call_value): Make sure that resulting call_insn
3601 does have proper second operand.
3603 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3605 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3606 function. Remove include of sys/cygwin.h.
3608 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3610 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3611 (CPP_SPEC): Always search */include/w32api for header files.
3612 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3613 (LINK_SPEC): Add "cyg" to the library search prefixes.
3615 2001-04-08 Philip Blundell <philb@gnu.org>
3617 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3619 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3621 * cpperror.c (print_location): Don't special case <stdin>.
3622 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3623 WARNING, but we don't check if we're in system headers.
3624 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3625 * cpplib.c (do_warning): Warn in system headers.
3627 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3629 * mbchar.c: Include config.h first.
3631 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3633 * config.gcc: Set default for xmake_file at top, not bottom.
3634 Change places that set xmake_file to "none" to set to the
3635 empty string instead, or remove them entirely if there is no
3636 default xmake_file for this cpu_type. Remove references to
3639 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3640 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3641 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3642 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3643 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3644 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3645 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3646 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3647 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3648 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3651 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3652 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3653 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3654 config/mips/x-sysv, config/rs6000/x-aix31:
3655 Just set CLIB to -lld or -lmld, as appropriate.
3657 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3658 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3659 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3660 config/mips/x-iris, config/pa/x-pa:
3661 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3662 OTHER_FIXINCLUDES_DIRS.
3664 * config/i386/x-djgpp: Don't set LN or LN_S.
3665 * config/m88k/x-dolph: Don't define __m88k__.
3666 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3667 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3668 * config/i860/fx2800.h: No need to #undef SVR4.
3670 38 x-host fragments remain, 2 x-cpu.
3672 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3674 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3676 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3678 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3680 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3682 * configure.in: Add check for lstat.
3683 * configure, config.in: Regenerate.
3684 * cppinit.c (append_include_chain): Make empty path ".".
3685 * cpplib.c (do_line): Don't simplify #line paths.
3686 * cppfiles.c (remove_component_p): New function.
3687 (find_or_create_entry): Acknowledge stat () errors during
3688 path simplification.
3689 (handle_missing_header): Don't simplify paths.
3690 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3691 the empty path untouched. Don't leave a trailing '/'.
3693 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3695 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3696 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3698 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3700 * cppfiles.c (open_file): Fail directories silently, but
3701 with an errno of NOENT set.
3702 (read_include_file): Move the common exit code to the sole
3703 caller. Return an int indicating success or failure. Let
3704 open_file handle directories.
3705 (stack_include_file): If read_include_file fails,
3706 push a "null" buffer.
3708 2001-04-05 DJ Delorie <dj@redhat.com>
3710 * function.h (virtuals_instantiated): Declare.
3711 * function.c: (virtuals_instantiated): Make global.
3712 * calls.c (emit_library_call_value_1): Use
3713 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3714 Otherwise, use the stack pointer directly.
3716 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3718 * i386.c (x86_initialize_trampoline): New global function.
3719 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3720 (INITIALIZE_TRAMPOLINE): Move offline.
3721 * i386-protos.h (x86_initialize_trampoline): Declare.
3723 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3725 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3726 (lea_0): Rename to lea_1.
3727 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3728 (lea_general_?): Allow SImodes on TARGET_64BIT
3729 (lea_general_?_zext): New patterns.
3730 (call_1, call_1_rex64): Fix.
3732 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3734 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3736 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3738 * i386.c (function_arg): Return constm1_rtx for last argument.
3739 (ix86_expand_prologue): Update gen_call calls.
3740 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3741 * i386.md (call_pop): Likewise.
3742 (call): Second operand is VOIDmode.
3743 (call_0): Likewise; Support 64bits.
3744 (call_exp): New expander.
3745 (call_1): Get to the sync.
3746 (call_1_exp): New pattern.
3747 (call_value): Support 64bit.
3748 (call_value_exp): New pattern.
3749 (untyped_call): Update gen_call call.
3750 (call_value_pop): Disable for 64bit.
3751 (call_value_0_rex64): New pattern.
3752 (call_value_1_rex64): Likewise.
3754 2001-04-05 Bo Thorsen <bo@suse.de>
3756 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3758 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3760 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3761 satisfies ANY_QI_REG_P.
3763 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3765 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3768 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3771 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3773 * config.gcc: Remove default for xm_file. Clean up local
3774 machine type handling. Remove settings of xm_file to
3775 something that doesn't exist. In the big switch, set xm_file,
3776 don't append to it (the value before the big switch is always
3777 null). Don't force build_xm_file or host_xm_file to have a value.
3778 * configure.in: Remove default for xm_file. Do not special
3779 case $cpu/xm-$cpu.h not existing.
3780 * configure: Regenerate.
3782 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3784 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3785 when folding integer division and modulo operations.
3787 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3789 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3790 instead of DWARF2_ADDR_SIZE for EH addresses.
3791 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3794 2001-04-04 Richard Henderson <rth@redhat.com>
3796 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3797 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3798 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3800 2001-04-04 Richard Henderson <rth@redhat.com>
3802 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3803 * configure: Rebuilt.
3805 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3807 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3808 push insns to delete to it instead of deleting them.
3809 (delete_null_pointer_checks): Delete insns from delete_list after
3810 all delete_null_pointer_checks_1 passes are done.
3812 2001-04-04 Richard Henderson <rth@redhat.com>
3814 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3815 * configure: Rebuilt.
3817 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3819 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3820 * config/romp/xm-romp.h: Delete.
3822 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3824 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3827 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3829 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3830 all labels present in rtx.
3831 (try_split) Call new function for all split insns.
3833 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3835 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3836 sure the change won't be validated.
3838 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3840 * rtl.h (set_noop_p): Declare.
3841 * flow.c (set_noop_p): Move from here ...
3842 * rtlanal.c (set_noop_p): ... to here and enhance.
3843 * cse.c (delete_trivially_dead_insns): Use it.
3844 * gcse.c (hash_scan_set): Likewise.
3845 * jump.c (delete_noop_moves): Likewise.
3846 * recog.c (split_all_insns): Likewise.
3848 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3850 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3851 stack pointer via a LO_SUM. Ditto for setting a temp register
3852 used to save to the stack. Set cfa_temp when setting fp, and
3853 allow matches to cfa_temp in addition to cfa_store when saving
3854 regs. Handle POST_INC and LO_SUM register stores. Document the
3855 changes and errors in rule 12 doco.
3857 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3858 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3859 (load_reg): Move closer to epilogue code.
3860 (DO_FRAME_NOTES): Define to control the following..
3861 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3862 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3864 (hppa_expand_epilogue): Likewise.
3866 2001-04-03 Richard Henderson <rth@redhat.com>
3868 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3869 * configure: Rebuild.
3871 2001-04-03 Richard Henderson <rth@redhat.com>
3873 * rtl.h (LCT_THROW): New.
3874 * calls.c (emit_library_call_value_1): Handle it.
3875 * except.c (connect_post_landing_pads): Use it.
3877 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3879 * gansidecl.h: Delete file.
3880 * configure.in: Change all refs to gansidecl.h to use
3881 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3883 * configure: Regenerate.
3885 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3886 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3887 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3888 Don't include gansidecl.h.
3889 * intl.c, main.c, version.c, fixinc/fixlib.h,
3890 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3893 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3895 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3898 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3900 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3901 config/i386/xm-next.h, config/i386/xm-sco.h,
3902 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3903 config/m88k/xm-m88k.h: Delete.
3905 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3906 * config/romp/xm-romp.h: Don't define bcopy.
3907 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3908 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3910 * config.gcc: Remove references to deleted files.
3912 14 xm-host.h remain, 1 xm-cpu.h.
3914 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3915 David S. Miller <davem@pierdol.cobaltmicro.com>
3916 Andrew MacLeod <amacleod@redhat.com>
3918 Use byte offsets in SUBREGs instead of words.
3920 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3921 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3922 to pass new argument.
3923 (add_stored_regs): Use subreg_regno_offset function.
3924 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3926 (precompute_arguments): Use gen_lowpart_SUBREG.
3927 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3928 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3929 (simplify_set): Rework to use SUBREG_BYTE.
3930 (expand_field_assignment): Use SUBREG_BYTE.
3931 (make_extraction): Use SUBREG_BYTE.
3932 (if_then_else_cond): Use SUBREG_BYTE.
3933 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3934 (gen_lowpart_for_combine): Compute full byte offset.
3935 * cse.c (mention_regs): Use SUBREG_BYTE.
3936 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3937 (canon_hash): Use SUBREG_BYTE.
3938 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3939 (gen_lowpart_if_possible): Formatting.
3940 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3942 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3943 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3944 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3945 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3946 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3947 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3948 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3949 certain invariants about SUBREGs the compiler creates.
3950 (gen_lowpart_SUBREG): New function.
3951 (subreg_hard_regno): New function to get the final register number.
3952 (gen_lowpart_common): Use SUBREG_BYTE.
3953 (gen_imagpart): Spacing nits.
3954 (subreg_realpart_p): Use SUBREG_BYTE.
3955 (gen_highpart): Use SUBREG_BYTE.
3956 (subreg_lowpart_p): Always compute endian corrected goal offset,
3957 even at the byte level, then compare against that.
3958 (constant_subword): New function, pulled out all constant cases
3959 from operand_subword and changed second argument name to offset.
3960 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3961 and call constant_subword to do the work. Return const0_rtx if
3962 looking for a word outside of OP.
3963 (operand_subword_force): Change second arg name to offset.
3964 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3965 (store_split_bit_field): Use SUBREG_BYTE.
3966 (extract_bit_field): Use SUBREG_BYTE.
3967 (extract_split_bit_field): Use SUBREG_BYTE.
3968 (expand_shift): Use SUBREG_BYTE.
3969 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3970 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3971 * flow.c (set_noop_p): Use SUBREG_BYTE.
3972 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3973 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3974 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3976 (optimize_bit_field): Use SUBREG_BYTE.
3977 (purge_addressof_1): Use SUBREG_BYTE.
3978 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3979 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3980 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3981 * gengenrtl.c (special_rtx): Add SUBREG.
3982 * global.c (mark_reg_store): Use SUBREG_BYTE.
3983 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3984 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3985 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3986 final byte offset is congruent to subreg's mode size.
3987 (subst_constants): Use SUBREG_BYTE.
3988 (mark_stores): Use subreg_regno_offset function.
3989 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3990 function and SUBREG_BYTE.
3991 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3992 (reg_is_born): Use subreg_hard_regno.
3993 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3994 endian correction code. Don't combine subregs unless resulting
3995 offset aligns with type. Fix subreg constant extraction for DImode.
3996 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3997 (general_operand): Remove dead mode_altering_drug code.
3998 (indirect_operand): Use SUBREG_BYTE.
3999 (constrain_operands): Use subreg_regno_offset function.
4000 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
4001 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
4002 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
4003 * regs.h (REG_SIZE): Allow target to override.
4004 (REGMODE_NATURAL_SIZE): New macro which target can override.
4005 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
4006 on the entire subreg rtx.
4007 (push_reload): Use SUBREG_BYTE in comments and code.
4008 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
4009 for hard registers inside subregs.
4010 (operands_match_p): Use subreg_regno_offset.
4011 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
4012 containing hard regs.
4013 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
4014 corrections when fixing up MEM subregs.
4015 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
4016 subreg_regno_offset where appropriate.
4017 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
4018 byte endian corrections when fixing up MEM subregs.
4019 (subst_reloads): When combining two subregs, make sure final
4020 offset is congruent to subreg's mode size.
4021 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4022 (refers_to_regno_for_reload_p): Use subreg_regno.
4023 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4024 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4025 correction code for memory subreg fixups.
4026 (forget_old_reload_1): Use subreg_regno_offset.
4027 (choose_reload_regs): Use subreg_regno.
4028 (emit_input_reload_insns): Use SUBREG_BYTE.
4029 (reload_combine_note_store): Use subreg_regno_offset.
4030 (move2add_note_store): Use subreg_regno_offset.
4031 * resource.c (update_live_status, mark_referenced_resources): Use
4032 subreg_regno function.
4033 (mark_set_resources): Use subreg_regno function.
4034 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4035 (subreg_regno_offset, subreg_regno): Define prototypes.
4036 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4037 (gen_lowpart_SUBREG): Add prototype.
4038 * rtl.texi (subreg): Update to reflect new byte offset representation.
4039 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4040 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4041 (reg_overlap_mentioned_p): Use subreg_regno.
4042 (replace_regs); Make sure final offset of combined subreg is
4043 congruent to size of subreg's mode.
4044 (subreg_regno_offset): New function.
4045 (subreg_regno): New function.
4046 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4047 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4048 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4049 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4050 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4051 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4052 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4053 (print_operand): Use SUBREG_BYTE.
4054 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4055 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4056 (arm_reload_out_hi): Use SUBREG_BYTE.
4057 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4058 instead of SUBREG_WORD.
4059 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4060 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4061 SUBREG creation to use byte offset.
4062 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4063 inverted load insns): Fix explicit rtl subregs to use byte
4065 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4066 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4067 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4068 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4069 to use byte offsets.
4070 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4071 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4072 offsets, also make sure it is congruent to SUBREG's mode size.
4073 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4074 unnamed ldob insn): Generate SUBREGs with byte offset.
4075 (zero_extendqihi2): SUBREG's are byte offsets.
4076 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4077 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4078 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4079 zero-extendqisi2): Generate SUBREGs with byte offset.
4080 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4081 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4082 subregs in rtl to use byte offsets.
4083 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4084 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4085 (mips_move_2words): Use subreg_regno_offset.
4086 (mips_secondary_reload_class): Use subreg_regno_offset.
4087 * config/mips/mips.md (DImode plus, minus, move, and logical op
4088 splits): Fixup explicit subregs in rtl to use byte offsets.
4089 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4090 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4091 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4092 rtl to use byte offsets.
4093 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4094 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4095 subregs to use byte offsets.
4096 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4097 Fixup explicit subregs in rtl to use byte offsets.
4098 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4099 and remove byte endian correction code.
4100 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4101 (gen_ashift_hi): Use SUBREG_BYTE.
4102 (regs_used): Use subreg_regno_offset.
4103 (machine_dependent_reorg): Use subreg_regno_offset.
4104 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4105 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4106 (movdf_i4): Subregs are byte offsets now.
4107 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4108 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4109 (REGMODE_NATURAL_SIZE): Override.
4110 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4111 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4113 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4114 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4115 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4116 it is congruent to SUBREG's mode size.
4117 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4119 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4120 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4121 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4122 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4123 * config/v850/v850.c (print_operand, output_move_double): Use
4124 subreg_regno function.
4126 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4128 * configure.in (target_subdir): Use target_alias, not target.
4129 * configure: Rebuilt.
4131 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4133 * config/sh/crti.asm: Fix typos in comments.
4135 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4137 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4138 TARGET_FAST_INDIRECT_CALLS.
4139 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4141 (return_addr_rtx): Short circuit export stub matching when
4142 TARGET_NO_SPACE_REGS.
4143 (output_millicode_call): For out of range calls, make -fPIC
4144 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4145 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4146 * pa.md: Modify length attr calculation of all millicode insns to
4149 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4151 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4152 Require at least 2.11 in the version test. Specifically check
4153 for and reject GAS version 2.10.90.
4154 * configure: regenerate.
4156 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4158 * pa.c (override_options): Remove PIC profiling warning.
4159 (hp_profile_labelno): Delete.
4160 (hp_profile_label_rtx): Delete.
4161 (hp_profile_label_name): Delete.
4162 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4163 (output_function_prologue): Remove profiling code and all tests on
4164 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4165 merge_sp_adjust_with_store can work for PIC and profiling.
4166 (hppa_expand_epilogue): Remove profile_flag test.
4167 (hppa_can_use_return_insn_p): Likewise.
4168 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4169 cater for PROFILE_HOOK.
4170 (hppa_profile_hook): New function.
4171 * pa.h (FUNCTION_PROFILER): Now does nothing.
4172 (PROFILE_HOOK): Define.
4173 (hppa_profile_hook): Declare.
4174 (PROFILE_BEFORE_PROLOGUE): Delete.
4175 (ASM_OUTPUT_REG_PUSH): Delete.
4176 (ASM_OUTPUT_REG_POP): Delete.
4177 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4178 r24. Accept function name operand, and use this and a locally
4179 generated label to calculate pc-rel offset to func start.
4181 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4183 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4184 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4187 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4189 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4190 LO_SUM cases to where they belong.
4192 2001-04-02 Richard Henderson <rth@redhat.com>
4194 * except.h (lang_eh_type_covers): Mark extern.
4195 (lang_eh_runtime_type): Likewise.
4197 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4199 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4200 gengenrtl.c: Wrap generated header in multiple-include guard.
4201 Improve error checking.
4203 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4205 * configure.in: Don't check for putenv.
4206 * configure: Regenerate.
4207 * gcc.c (putenv): Don't define.
4208 * vax/xm-vms.h: Handle putenv.
4210 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4212 * ifcvt.c (noce_emit_move_insn): New.
4213 (noce_try_store_flag, noce_try_store_flag_constants,
4214 noce_try_store_flag_inc, noce_try_store_flag_mask,
4215 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4216 noce_try_abs): Use it.
4217 (noce_process_if_block): Likewise.
4218 For STRICT_LOW_PART, take mode from its SUBREG.
4220 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4222 * fold-const.c (fold): Before optimizing unsigned comparison with
4223 0x7fffffffU, make sure arg0 is integral type.
4225 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4227 * c-tree.texi: Document representation of wide strings.
4229 2001-04-01 Richard Henderson <rth@redhat.com>
4231 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4233 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4235 * i386.md: remove obsoleted comments.
4236 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4237 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4238 fix output template.
4240 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4242 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4244 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4246 * loop.c (load_mems): When generating a load from a pseudo, update
4249 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4251 * i386.c (ix86_split_long_move): Use change address to compensate
4252 stack pointer change in push instruction.
4254 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4256 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4257 instead of rtx_equal_p; fix the output template.
4259 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4261 * i386.c (ix86_expand_setcc): Support 64bit.
4262 (ix86_expand_int_movcc): Likewise.
4263 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4266 * i386.md (allocate_stack_worker): Turn to expander.
4267 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4269 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4271 2001-03-29 Richard Henderson <rth@redhat.com>
4273 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4275 2001-03-28 Matthew Hiller <hiller@redhat.com>
4277 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4280 * MAINTAINERS: Added self.
4282 2001-03-28 Richard Henderson <rth@redhat.com>
4284 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4285 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4287 2001-03-28 Jim Wilson <wilson@redhat.com>
4289 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4292 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4294 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4296 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4299 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4301 2001-03-28 DJ Delorie <dj@redhat.com>
4303 * Makefile.in (stage1_build): Revert CFLAGS patch.
4305 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4307 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4308 when multiplier or multiplicand is zero.
4310 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4312 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4314 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4316 (set_src_needs_barrier): Likewise.
4317 (rtx_needs_barrier): For SET case, use these two functions. Rework
4318 PARALLEL case to handle all inputs before all outputs.
4319 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4320 saw a label and no stop bit since then.
4321 (maybe_rotate, process_epilogue): Add prototypes.
4323 2001-03-28 Richard Henderson <rth@redhat.com>
4325 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4326 not TARGET_TOC for special toc restore handling.
4327 * config/rs6000/rs6000.md (eh_return): Likewise.
4329 2001-03-28 Richard Henderson <rth@redhat.com>
4331 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4332 current_function_calls_eh_return.
4333 (output_function_epilogue): Handle eh_return.
4334 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4335 (EH_RETURN_DATA_REGNO): New.
4336 (EH_RETURN_STACKADJ_RTX): New.
4337 (EH_RETURN_HANDLER_RTX): New.
4338 * config/sparc/sparc.md (call/short branch peepholes): Check
4339 can_throw_internal instead of in_same_eh_region.
4341 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4342 for eh_return data registers.
4343 (rs6000_emit_prologue): Save eh_return data registers.
4344 (rs6000_emit_epilogue): Force inline restores if eh_return.
4345 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4346 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4347 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4348 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4349 the target uses one.
4350 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4351 (return_eh_si, return_eh_di): Remove.
4352 (eh_return): New, from corpse of eh_epilogue.
4353 (eh_set_lr_si, eh_set_lr_di): New.
4355 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4356 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4357 True for pic register if current_function_calls_eh_return.
4358 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4359 Handle eh_return requirements.
4360 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4361 (EH_RETURN_STACKADJ_RTX): New.
4362 * config/i386/i386.md (exception_receiver): Remove.
4363 (eh_return, eh_return_1): New.
4364 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4366 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4367 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4368 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4369 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4370 (EH_RETURN_DATA_REGNO): New.
4371 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4372 * config/alpha/alpha.md (eh_epilogue): Remove.
4373 (exception_receiver): Use $26 for ldgp input.
4374 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4376 2001-03-28 Richard Henderson <rth@redhat.com>
4378 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4379 * except.h: Likewise.
4381 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4382 (LIB2ADDEHDEP): New.
4383 (LIB2FUNCS_EH): Remove.
4384 (LIB2ADD): Remove LIB2ADDEH.
4385 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4386 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4387 (crt{begin,end}[S].o): Likewise.
4388 (except.o): Update includes.
4389 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4390 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4392 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4393 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4394 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4395 * builtins.c (expand_builtin): Implement it.
4396 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4397 * c-common.c (c_common_nodes_and_builtins): Declare it.
4398 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4399 * calls.c (libfunc_nothrow): Remove.
4400 (emit_library_call_value_1): Don't call it.
4401 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4402 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4403 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4404 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4405 (current_funcdef_number): Globalize.
4406 (output_call_frame_info): Emit frame data if an lsda is needed.
4407 Generate augmentation for personality routine. Don't play with
4409 (dwarf2out_begin_prologue): Record funcdef_number.
4410 * dwarf2out.h (current_funcdef_number): Declare.
4411 * expr.c (expand_expr): Update for except.h name changes.
4412 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4413 * expr.h (LTI_throw, LTI_rethrow): Remove.
4414 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4415 (LTI_eh_rtime_match): Remove.
4416 (LTI_unwind_resume, LTI_eh_personality): Add.
4417 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4418 * final.c (final): Don't call check_exception_handler_labels,
4419 init_insn_eh_region, or free_insn_eh_region.
4420 (final_scan_insn): Always emit debug labels for
4421 NOTE_INSN_EH_REGION notes.
4422 * flags.h (flag_new_exceptions): Remove.
4423 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4424 (record_active_eh_regions): Remove.
4425 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4426 Use can_throw_internal.
4427 (find_basic_blocks_1): Likewise.
4428 (move_stray_eh_region_notes): Remove.
4429 (find_label_refs): No eh_return_stub_label.
4430 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4431 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4433 (delete_unreachable_blocks): Don't track deleted handlers.
4434 (flow_delete_block): Use maybe_remove_eh_handler.
4435 (delete_eh_regions): Remove.
4436 (merge_blocks): Don't check for eh region match.
4437 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4438 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4439 (init_propagate_block_info): Disable dead frame store optimization
4440 when current_function_calls_eh_return.
4441 (dump_bb): Don't print eh_beg, eh_end.
4442 * function.c (fixup_var_refs): No catch_clauses.
4443 (expand_function_end): Likewise. Call expand_eh_return before
4444 the return register use. Call sjlj_emit_function_exit_after.
4445 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4446 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4447 * ifcvt.c (dead_or_predicable): Remove eh region check.
4448 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4449 Don't check for EH vs parameters.
4450 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4451 (expand_inline_function): Call duplicate_eh_regions.
4452 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4453 (copy_insn_notes): Remap REG_EH_REGION notes.
4454 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4455 * integrate.h (struct inline_remap): Add local_return_label.
4456 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4457 check_exception_handler_labels, nor exception_optimize.
4458 (find_cross_jump): No EH region check.
4459 * optabs.c (init_optabs): Update for changed eh libfuncs.
4460 * rtl.def (RESX): New.
4461 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4462 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4463 checks. Update for except.h name changes.
4464 (expand_cleanups): Likewise.
4465 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4466 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4467 (compile_file): Call init_eh before init_optabs. Don't
4468 output_exception_table here.
4469 (rest_of_compilation): Call convert_from_eh_region_ranges,
4470 convert_to_eh_region_ranges, output_function_exception_table.
4471 Don't emit_eh_context.
4472 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4473 (EXC_PTR_EXPR): New.
4475 * md.texi (eh_epilogue): Remove.
4476 (eh_return): Document.
4477 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4478 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4480 * eh-common.h: Remove file.
4481 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4482 * libgcc2.c (L_eh): Remove.
4484 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4485 * unwind-dw2-fde.h: New file.
4486 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4487 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4488 * libgcc-std.ver: Update for eh symbols.
4490 2001-03-27 Richard Henderson <rth@redhat.com>
4492 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4493 reduce false positives.
4494 (regmove_optimize): Disable if flag_non_call_exceptions.
4496 * stmt.c (expand_return): Remove always true predicate.
4497 (expand_decl_cleanup_no_eh): Remove dead code.
4499 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4500 barrier code. Add a scheduling barrier if a non-call insn
4501 can throw internally.
4503 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4504 Auto-inc addresses trap only if their base register does.
4506 * except.c (can_throw_internal): Rename from can_throw.
4507 * except.h, resource.c: Update references.
4509 * integrate.c (copy_insn_list): Use returnjump_p.
4510 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4512 * function.h (struct function): Move all boolean valued fields
4513 to single bit fields at the end of the struct.
4515 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4517 Rename asynchronous_exceptions to flag_non_call_exceptions.
4519 * gthr-single.h (UNUSED): New. Distinguish between how C
4520 and C++ mark unused function arguments. Use throughout.
4522 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4523 value to target configuration header.
4524 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4525 * config.in, configure: Rebuild.
4526 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4527 configuration and target defines.
4528 (exceptions_via_longjmp): Remove.
4529 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4530 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4532 * except.h (flag_non_call_exceptions): Move ...
4533 * flags.h: ... here.
4535 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4536 exceptions, put the note on the trapping instruction.
4538 * flags.h (flag_new_exceptions): Remove.
4539 * toplev.c: Don't set it.
4540 * final.c: Don't check it.
4541 * except.c: Provide stub definition.
4543 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4544 (calculate_global_regs_live): Kill call-clobbered registers
4545 across exception edges.
4546 * reg-stack.c (convert_regs_1): Kill the entire target stack
4547 across non-call exception edges.
4549 * flow.c (cleanup_cfg): Take no argument.
4550 * output.h, sibcall.c, toplev.c: Update all calls.
4552 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4554 * configure.in: Don't check for bcopy.
4555 * configure, config.in: Regenerate.
4557 * system.h: Don't define or prototype bcopy, instead poison it.
4559 2001-03-27 Richard Henderson <rth@redhat.com>
4561 * function.c (expand_function_start): Set DECL_REGISTER on
4562 a pseudo used for DECL_RESULT.
4564 * rtl.h (LCT_NORETURN): New.
4565 * calls.c (emit_library_call_value_1): Handle it.
4567 2001-03-27 Stan Shebs <shebs@apple.com>
4569 * objc/objc-act.c (objc_init): Use dump_base_name.
4570 (gen_declaration): Clear the buffer arg.
4571 (gen_declaration_1): New function, body of gen_declaration.
4572 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4573 (gen_method_decl): Ditto, plus always clear buffer arg.
4574 (error_with_ivar): Simplify.
4575 (warn_with_method): Ditto.
4576 (build_message_expr): Don't clear buffers.
4577 (dump_interface): Ditto.
4578 (objc_debug): Ditto.
4579 (build_keyword_selector): Clear the buffer by only zeroing
4581 (objc_implementation_context): Declare.
4582 (start_class): Warn about missing @end.
4583 (finish_objc): Ditto.
4585 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4587 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4589 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4591 * Makefile.in (SYSTEM_H): Define.
4592 Depend on $(SYSTEM_H), not system.h.
4594 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4596 2001-03-27 Jim Wilson <wilson@redhat.com>
4598 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4600 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4601 (process_epilogue): New static function.
4602 (process_set): Call process_epilogue instead of emitting .restore
4604 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4606 * flow.c (struct reg_cond_life_info): New fields orig_condition
4608 (init_propagate_block_info): Set new fields.
4609 (mark_regno_cond_dead): Set and use new fields.
4610 (flush_reg_cond_reg_1): Likewise.
4611 (and_reg_cond, case AND): Check for redundant AND conditions.
4612 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4615 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4617 * cppmacro.c (stringify_arg): Null terminate strings.
4619 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4621 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4622 inclusion style. xm-m68hc11.h no longer exists.
4623 * config/m68hc11/xm-m68hc11.h: Delete file.
4624 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4626 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4627 Don't define GCC_VERSION, N_, or PARAMS; don't include
4628 gansidecl.h or stdio.h. Define inhibit_libc here.
4629 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4630 Delete code conditioned on #if GCC_VERSION == 2095.
4632 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4633 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4634 Delete code conditioned on #if GCC_VERSION == 2095.
4636 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4638 * system.h: Include symcat.h.
4639 (STRINGIFY): Don't define.
4641 * configure.in: Adjust comment.
4643 * builtins.c: Use STRINGX, not STRINGIFY.
4644 * gencheck.c: Likewise.
4645 * gengenrtl.c: Likewise.
4646 * protoize.c: Likewise.
4648 * cpplex.c: Don't include symcat.h.
4649 * cpplib.c: Likewise.
4651 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4653 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4655 * c-typeck.c (digest_init): Fold init expression.
4657 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4659 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4661 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4663 * except.c (eh_regs): Save results of build_pointer_type to a temp
4664 as FUNCTION_VALUE macro may evaluate its args multiple times.
4666 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4668 * c-common.h (DECL_NUM_STMTS): New macro.
4669 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4671 (pushdecl): Likewise.
4672 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4673 * integrate.c (expand_inline_function): Don't check
4675 * print-tree.c (print_node): Don't print it.
4676 * toplev.c (rest_of_compilation): Don't try to inline when
4677 flag_no_inline is on.
4678 * tree.h (DECL_FRAME_SIZE): Remove.
4679 (tree_decl): Adjust accordingly.
4681 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4683 * combine.c (try_combine): Use memcpy, not bcopy.
4685 * genattrtab.c (expand_units): Likewise.
4687 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4689 * i386.md (push mem DI peep2): New.
4690 (mov 0, mov -1 peep2): Handle 64bit.
4691 (lea to arithmetics peep2): Handle 64bit leas.
4692 (rsp arithmetics to push/pop peep2s): New.
4694 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4696 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4698 * i386.c (struct machine_function): Add save_varrargs_registers.
4699 (ix86_save_varrargs_registers): New macro.
4700 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4701 (ix86_expand_prologue): Likewise.
4702 (ix86_emit_epilogue_esp_adjustement): Likewise.
4703 (ix86_expand_epilogue): Likewise.
4704 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4705 (pro_epilogue_adjust_stack_1): New insn.
4706 (pro_epilogue_adjust_stack_rex64): Likewise.
4707 * i386.h (MASK_NO_RED_ZONE): New constant.
4708 (TARGET_RED_ZONE): New macro.
4709 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4710 (RED_ZONE_SIZE): New constant.
4711 (RED_ZONE_RESERVE): New constant.
4713 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4715 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4717 2001-03-25 Kazu Hirata <kazu@hxi.com>
4719 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4722 (umodhi3): Likewise.
4725 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4727 * mkconfig.sh (DEFINES): Handle entries with '='.
4729 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4730 Set xm_defines to MACRO=value instead.
4732 * i370/xm-mvs.h: Delete.
4734 * ns32k/xm-pc532-min.h: Likewise.
4736 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4738 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4740 use ix86_expand_binary_operator
4741 (?sh??i_?): Disable for 64bit.
4742 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4743 * i386.c (shiftdi_operand): New predicate.
4745 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4746 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4747 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4748 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4749 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4750 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4751 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4752 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4753 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4754 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4755 (rotldi3, rotrdi3): New expanders.
4757 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4759 * i386.md (movstrsi): Move offline.
4761 (strmovdi_rex64): New.
4762 (strmov?i): Accept 64bit.
4763 (strmov?i_rex64): New.
4764 (strmov?i_rex_1): New.
4765 (strmov?i_1): Disable for 64bit.
4766 (rep_mov?i_rex64): New.
4767 (rep_mov?i): Disable for 64bit.
4768 (clrstrsi): Move offline.
4769 (strset?i_rex64): New.
4770 (strset?i: Accept 64bit.
4771 (rep_stos?i): Disable for 64bit.
4772 (rep_stos?i_rex64): New.
4773 (strset?i_rex_1): New.
4774 (strset?i_1): Disable for 64bit.
4775 (cmpstrsi): Accept 64bit.
4776 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4777 (cmpstrqi_nz_rex_1): New.
4778 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4779 (strlensi): Move offline.
4781 (strlenqi_1): Disable for 64bit; fix constraints.
4782 (strlenqi_rex_1): New.
4783 * i386.c (ix86_adjust_counter): New static function.
4784 (ix86_zero_extend_to_Pmode): Likewise.
4785 (ix86_expand_aligntest): Likweise.
4786 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4787 (ix86_expand_movstr): New global function.
4788 (ix86_expand_clrstr): New global function.
4789 (ix86_expand_strlen): New global function.
4790 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4791 ix86_expand_strlen): Declare.
4792 (ix86_expand_strlensi_unroll_1): Delete.
4794 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4796 * i386.md (cmpdi): Fix operand predicates.
4797 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4798 cmpdi_1_insn_rex64): New patterns.
4799 (adddi3): Turn to expander.
4800 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4801 (addsi3_carry_zext): New pattern.
4802 (adddi_?_rex64): New patterns and splitters.
4803 (addsi_?_zext): New patterns.
4804 (subsi3_carry_zext): New pattern.
4805 (subdi_?_rex64): New patterns and splitters.
4806 (iorsi_?_zext): New patterns.
4807 (iordi_?_rex64): New patterns and splitters.
4808 (iorsi_?_zext): New patterns.
4809 (iorsi_?_zext_imm): New patterns.
4810 (xorsi_?_zext): New patterns.
4811 (xordi_?_rex64): New patterns and splitters.
4812 (xorsi_?_zext): New patterns.
4813 (negdi*): New patterns.
4814 (one_cmpldi*): Likewise.
4815 (one_cmplsi*_zext, negsi*_zext): Likewise.
4816 (testqi_ext_3_rex64): New pattern.
4818 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4820 * i386-protos.h (ix86_split_long_move): Return void.
4821 * i386.c (ix86_split_to_parts): Handle 64bit target.
4822 (ix86_split_long_move): Likewise.
4823 * i386.md (all calls to ix86_split_long_move): Update.
4825 2001-03-23 Richard Henderson <rth@redhat.com>
4827 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4828 to avoid shadowing arguments.
4830 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4832 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4833 to variable names where DECL_NAME is different from
4834 DECL_ASSEMBLER_NAME.
4836 2001-03-23 Jim Wilson <wilson@redhat.com>
4838 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4839 (assemble_alias): Call make_decl_rtl.
4841 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4843 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4845 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4847 * extend.texi: Document the "java_interface" attribute.
4849 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4851 * mkconfig.sh: Use a subshell with redirected stdout,
4852 instead of closing stdout and confusing commands that run
4853 afterward. Throw away output of cmp.
4855 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4857 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4859 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4861 * i386.md (zero_extendsidi2_32): Break out from ...
4862 (zero_extendsidi2): ... here ; turn to expander.
4863 (zero_extendsidi2_rex64): New.
4864 (extendsidi2_32): Break out from ...
4865 (extendsidi2): ... here ; turn to expander.
4866 (extendsidi2_rex64): New.
4867 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4868 (trunc?f?f splitters): Add 64bit versions.
4870 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4872 * i386.md (pushsi, pushsi2_prologue): Disable.
4873 (pushsi2_rex64): New.
4874 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4875 (movqi_ext_1): Disable for 64bit.
4876 (movqi_ext_1_rex64): New.
4877 (pushdi2_rex64): New pattern, peep2s and splitter.
4878 (pushdi2_prologue_rex64): New pattern.
4879 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4881 (movdi splitters): Disable for 64bit.
4882 (movdi_1_rex64): New pattern, peep2s and splitters.
4883 (swapdi): New pattern.
4884 (pushsf): Disable for 64bit.
4885 (pushsf_rex64): New pattern and splitter.
4886 (pushdf_nointeger): Disable for 64bit.
4887 (pushdf_integer): Handle the 64bit case.
4888 (pushtf): Likewise; update splitters.
4890 2001-03-22 Richard Henderson <rth@redhat.com>
4892 * mkconfig.sh: Include insn-flags.h.
4893 * Makefile.in (CONFIG_H): Include insn-flags.h.
4894 (lots of objects): Remove insn-codes.h and insn-flags.h.
4896 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4897 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4898 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4899 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4900 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4901 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4902 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4903 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4904 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4905 v850/v850.c, vax/vax.c:
4906 Don't include insn-flags.h.
4908 * diagnostic.c, expr.h, reload.c, toplev.c:
4909 Don't include insn-codes.h.
4911 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4912 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4913 c4x/c4x.c, i960/i960.c, mips/mips.c:
4914 Don't include insn-codes.h or insn-flags.h.
4916 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4917 or insn-flags.h in the generated code.
4918 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4919 (main): Forward declare struct rtx_def.
4921 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4923 * invoke.texi (-ffast-math): Remove duplicate line about
4926 * gcc.texi: Remove more obsolete documentation of bugs and
4927 installation problems.
4929 2001-03-21 Kazu Hirata <kazu@hxi.com>
4931 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4934 2001-03-20 Jason Merrill <jason@redhat.com>
4936 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4938 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4939 * varasm.c (CHKR_PREFIX): Likewise.
4941 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4943 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4944 is part of a multi-SET insn.
4946 * cse.c (find_comparison_args): Remove previous change.
4947 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4950 * config/i386/i386.md (conditional_trap): Remove warning.
4952 * recog.c (push_operand): Fix error in last change that caused
4953 undefined symbol on many targets.
4955 * sdbout.c: #include ggc.h.
4956 (sdbout_init): Move to end of file.
4957 Call ggc_add_tree_root for anonymous_types.
4958 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4959 (sdbout_one_type): Use DECL_NAME for field name.
4960 * Makefile.in (sdbout.o): Show includes ggc.h.
4962 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4964 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4965 (override_options): Use properlimits for preferred_stack_boundary.
4966 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4968 (ext_register_operand): Accept DImode.
4969 (load_pic_register): Abort on 64bit.
4970 (gen_push): Use Pmode instead of SImode.
4971 (ix86_save_reg): Pic reg is never used on 64bit.
4972 (ix86_expand_prologue): Likewise.
4973 (ix86_emit_save_regs): Use Pmode instead of SImode.
4974 (legitimate_address_p): Check displacement for 64bit.
4975 (print_operand): Avoid outputting of (%rip) on 64bit.
4976 (print_operand_address): Output (%rip) where possible.
4977 (split_di): Abort on 64bit registers.
4978 (ix86_expand_branch): DImode comparison is simple for x86_64.
4979 (memory_address_length): Recognize memory addresses formed using
4981 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4983 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4985 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4987 * recog.c (push_operand): Recognize new format of push instructions.
4989 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4991 * i386.md (pushqi1): New.
4992 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4993 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4994 x86_64_immediate_operand, x86_64_immediate_operand,
4995 x86_64_zext_immediate_operand): Declare.
4996 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4997 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4998 x86_64_immediate_operand, x86_64_immediate_operand,
4999 x86_64_zext_immediate_operand): define.
5000 * i386.h (PREDICATE_CODES): Add new predicates.
5002 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
5004 * i386.md (pophi1, popqi1, pushqi1): Remove.
5006 * expr.c (emit_single_push_insn): New function.
5007 (move_by_pieces): Accept NULL as destination for push instructions.
5008 (gen_push_operand): Kill.
5009 (emit_push_insn): Pass NULL when pushing; avoid updating of
5010 stack_pointer_delta.
5011 * expr.h (gen_push_operand): Kill.
5013 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5015 * rtl.texi (COMPARE): Clarify documentation and reference section
5018 2001-03-20 Stan Shebs <shebs@apple.com>
5020 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5021 (get_object_reference): Ditto.
5022 (error_with_ivar): Use error_with_file_and_line.
5023 (warn_with_method): Use warning_with_file_and_line.
5025 2001-03-20 Tom Tromey <tromey@redhat.com>
5027 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5029 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5031 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5032 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5034 2001-03-20 DJ Delorie <dj@redhat.com>
5036 * Makefile.in (install-libgcc): Pass complete list of variables.
5037 (install-multilib): Ditto.
5039 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5041 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5042 drectve_section, switch_to_section.
5044 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5045 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5046 i386_pe_mark_dllimport.
5048 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5050 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5051 functions i386_pe_*.
5053 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5054 i386_pe_* functions with char * arguments.
5056 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5058 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5060 (movsi_ie): Introduce fpul store.
5062 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5064 * Makefile.in (OBJS): Remove hashtab.o.
5066 2001-03-19 Stan Shebs <shebs@apple.com>
5068 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5069 * c-lang.c (maybe_objc_method_name): Ditto.
5070 * c-tree.h (maybe_objc_method_name): Remove decl.
5072 2001-03-19 Tom Tromey <tromey@redhat.com>
5074 * gcc.c (init_gcc_specs): Fix comment.
5076 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5078 Compute DECL_ASSEMBLER_NAME lazily.
5079 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5080 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5081 (SET_DECL_ASSEMBLER_NAME): Likewise.
5082 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5083 (set_decl_assembler_name): Declare.
5084 (lang_set_decl_assembler_name): Likewise.
5085 * tree.c (lang_set_decl_assembler_name): New variab.e
5086 (set_decl_assembler_name): New function.
5087 (init_obstacks): Set lang_set_decl_assembler_name.
5088 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5089 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5090 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5091 where it's not necessary.
5092 (builtin_function): Likewise.
5093 (finish_decl): Likewise.
5094 * dbxout.c (dbxout_type_methods): Likewise.
5095 * ggc-common.c (ggc_mark_trees): Likewise.
5096 * profile.c (output_func_start_profiler): Likewise.
5097 * varasm.c (make_decl_rtl): Likewise.
5099 * cse.c (find_comparison_args): Update documentation. Fix
5100 mishandling of COMPARE operations.
5102 * tree.def (ABS_EXPR): Add documentation.
5103 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5105 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5107 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5109 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5111 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5112 Remove ia32 linux PIC kludge and move it...
5113 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5115 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5117 * i386.md (absdf2 expander): Fix 64bit case.
5119 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5121 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5123 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5125 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5127 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5129 * README.X11: Remove obsolete file.
5131 2001-03-18 Anthony Green <green@redhat.com>
5133 * config/pj/pj.h: Remove some trailing commas.
5134 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5136 2001-03-18 Richard Henderson <rth@redhat.com>
5138 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5139 * calls.c: ... here.
5140 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5141 defaults for them here.
5143 2001-03-17 Anthony Green <green@redhat.com>
5145 * config/pj/lib1funcs.S: Fix broken comment.
5146 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5149 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5151 * gcc.texi: Remove obsolete information relating to build and
5152 installation problems with enquire or the Pyramid C compiler.
5154 2001-03-17 Richard Henderson <rth@redhat.com>
5156 * dwarf2out.c (queue_reg_save): New.
5157 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5158 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5160 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5161 (cfa, cfa_store, cfa_temp): Make static.
5162 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5164 2001-03-17 Richard Henderson <rth@redhat.com>
5166 * integrate.h (struct inline_remap): Add local_return_label.
5167 * integrate.c (expand_inline_function): Initialize it and emit
5168 it after copy_insn_notes.
5169 (copy_insn_list): Don't store local_return_label here.
5170 (copy_insn_notes): New function split out from copy_insn_list.
5172 2001-03-17 Richard Henderson <rth@redhat.com>
5174 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5175 is generating .debug_line.
5176 (dwarf2out_init): Add main_input_filename to the file table first.
5177 * configure.in (as_dwarf2_debug_line): Test with file number 1
5178 instead of file number 0.
5180 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5182 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5183 (gen_rtx_combine): Deleted; all references changed as appropriate.
5184 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5186 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5188 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5190 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5193 2001-03-16 Jim Wilson <wilson@redhat.com>
5195 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5196 then set it to LOC_REG (79) instead of aborting.
5198 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5200 * gccbug.in: Remove high priority.
5202 2001-03-16 Richard Henerson <rth@redhat.com>
5204 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5205 output with a space instead of deleting it.
5206 * configure: Regenerate.
5208 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5210 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5211 handles the gory details of converting an object file into
5212 something that's safe to grep.
5213 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5214 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5215 newlines at either end of the string we're looking for.
5216 Make 'checking ...' message less stilted.
5217 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5218 ARM in-memory layout and its hypothetical converse. Don't
5219 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5220 HOST_WORDS_BIG_ENDIAN.
5222 * configure.in: Adjust for renamed macro. Move
5223 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5224 * configure, config.in: Regenerate.
5226 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5228 * fixinc/Makefile.in: Set SHELL.
5230 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5232 * fixinc/fixincl.c (fix_with_system): Quote file names before
5233 passing them to shell.
5235 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5237 * Makefile.in: Use fix-header$(build_exeext) instead
5240 2001-03-16 Richard Henderson <rth@redhat.com>
5242 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5243 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5244 (size_of_line_prolog): Remove.
5245 (output_line_info): Compute prologue size via label difference.
5246 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5248 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5249 assembler error when redefining file numbers.
5250 * config.in, configure: Rebuild.
5252 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5253 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5254 (dw2_asm_output_delta_uleb128): Likewise.
5255 (dw2_asm_output_delta_sleb128): Similarly.
5256 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5258 2001-03-16 Michael Meissner <meissner@redhat.com>
5260 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5262 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5264 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5266 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5267 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5268 being unsigned in ISO C and signed in traditional.
5269 (expand_prologue): Ditto.
5270 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5272 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5274 (divsi3,divdi3): Ditto.
5275 (modsi3,moddi3): Ditto.
5276 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5277 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5278 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5281 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5283 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5284 SSE based conditional moves on LTGT/UNEQ conditions;
5285 Canonicalize EQ to NE.
5286 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5287 (sse_mov?fcc_ne): New.
5289 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5291 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5293 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5294 register may be dead.
5296 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5298 * Makefile.in (hash.o): Depend on CONFIG_H.
5300 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5302 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5304 2001-03-15 Richard Henderson <rth@redhat.com>
5306 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5307 (ASM_OUTPUT_DWARF_PCREL): New.
5308 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5310 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5312 * cppfiles.c (stack_include_file): Use MAX of sysp.
5314 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5316 * config.gcc (ia64*-*-hpux*): New case.
5317 * config/ia64/hpux.h: New file for HP-UX support.
5318 * config/ia64/t-hpux: New file for HP-UX support.
5320 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5322 * fixinc/inclhack.def (irix_stdio_va_list): New.
5323 * fixinc/fixincl.x: Rebuilt.
5325 2001-03-15 Richard Henderson <rth@redhat.com>
5327 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5328 if provided by the target.
5329 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5330 (dw2_asm_output_addr): New.
5331 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5332 * dwarf2out.c (output_cfi): Use it for program addresses.
5333 (output_call_frame_info, output_die): Likewise.
5334 (output_aranges, output_line_info): Likewise.
5336 2001-03-15 Bruce Korb <bkorb@gnu.org>
5338 * gcc.c(main): make more rigorous
5339 * collect2.c(main): guard against ignoring SIGCHLD
5340 * protoize.c(main): ditto
5341 * gcc/fixinc/fixincl.c(initialize): ditto
5343 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5345 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5346 (sdbout_parms): Likewise.
5348 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5350 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5351 "widen" a destination that is already wider than a word. Also do
5352 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5354 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5356 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5358 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5360 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5362 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5364 * i960.h (i960_maxbitalignment,
5365 i960_last_maxbitalignment): Declare.
5366 * i960.c (i960_maxbitalignment,
5367 i960_last_maxbitalignment): Make global.
5368 (process_pragma): Delete.
5369 (i960_pr_align, i960_pr_noalign): Move from here ...
5370 * i960-c.c: ... to this new file.
5371 * t-960bare (i960-c.o): New rule.
5372 * t-vxworks960 (i960-c.o): Likewise.
5373 * config.gcc (i960-*-*): Define c_target_objs and
5376 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5378 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5379 without adding in rtx code and mode.
5381 * alias.c (init_alias_analysis): Don't use any rtx whose value
5382 varies as a known value.
5383 Delete a superfluous test.
5385 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5387 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5388 scheduling a stop bit.
5389 (ia64_emit_nops): Correctly handle ASMs.
5391 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5393 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5395 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5397 * cpp.texi: Update documentation for -include and -imacros.
5398 * cppfiles.c (struct include_file): Remove "defined" memeber.
5399 (find_or_create_entry): Make a copy of the file name, and
5401 (open_file): Update to ensure we use the simplified filename.
5402 (stack_include_file): Don't set search_from.
5403 (cpp_included): Don't simplify the path name here.
5404 (find_include_file): New prototype. Call search_from to
5405 get the start of the "" include chain. Don't simplify the
5407 (_cpp_execute_include): New prototype. Move diagnostics to
5408 do_include_common. Update.
5409 (_cpp_pop_file_buffer): Don't set defined.
5410 (search_from): New prototype. Use the preprocessor's cwd
5411 for files included from the command line.
5412 (read_name_map): Don't simplify the pathname here.
5413 * cpphash.h (enum include_type): New.
5414 (struct buffer): Delete search from. New search_cached.
5415 (_cpp_execute_include): Update prototype.
5416 * cppinit.c (do_includes): Use _cpp_execute_include.
5417 * cpplib.c (do_include_common): New function.
5418 (do_include, do_include_next, do_import): Use it.
5420 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5422 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5423 contents of the RTL, to determine the name of the object.
5425 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5427 * tree.h (DECL_RTL): Allocate RTL lazily.
5428 (SET_DECL_RTL): New macro.
5429 (DECL_RTL_SET_P): Likewise.
5430 (COPY_DECL_RTL): Likewise.
5431 (DECL_RTL_IF_SET): Likewise.
5432 * varasm.c (make_decl_rtl): Add assertions about the kind of
5433 declaration we are processing.
5434 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5435 (start_decl): Likewise.
5436 (finish_decl): Likewise.
5437 * c-semantics.c (emit_local_var): Likewise.
5438 * calls.c (expand_call): Likewise.
5439 * dbxout.c (dbxout_symbol): Likewise.
5440 * emit-rtl.c (unshare_all_rtl): Likewise.
5441 (unshare_all_decls): Likewise.
5442 (reset_used_decls): Likewise.
5443 * expr.c (store_constructor): Likewise.
5444 (safe_from_p): Likewise.
5445 (expand_expr): Likewise.
5446 * function.c (put_var_into_stack): Likewise.
5447 (instantiate_decls_1): Likewise.
5448 (assign_parms): Likewise.
5449 (expand_function_start): Likewise.
5450 (expand_function_end): Likewise.
5451 * ggc-common.c (gcc_mark_trees): Likewise.
5452 * integrate.c (function_cannot_inline_p): Likewise.
5453 (copy_decl_for_inlining): Likewise.
5454 (expand_inline_function): Likewise.
5455 (integrate_parm_decls): Likewise.
5456 (integrate_decl_tree): Likewise.
5457 * print-tree.c (print_node): Likewise.
5458 * reg-stack.c (stack_result): Likewise.
5459 * stmt.c (label_rtx): Likewise.
5460 (expand_return): Likewise.
5461 (expand_decl): Likewise.
5462 (expand_decl_cleanup): Likewise.
5463 (expand_anon_union_decl): Likewise.
5464 * toplev.c (check_global_declarations): Likewise.
5465 (rest_of_decl_compilation): Likewise.
5466 * tree.c (simple_cst_equal): Likewise.
5467 * objc/objc-act.c (generate_static_references): Likewise.
5469 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5471 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5472 gcc_AC_C_FLOAT_FORMAT): New macros.
5473 * configure.in: Add AC_PROG_CPP after CC tests;
5474 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5475 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5476 * configure, config.in: Regenerate.
5478 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5479 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5480 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5481 config/i370/xm-linux.h, config/i370/xm-oe.h,
5482 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5483 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5484 config/pa/xm-linux.h, config/pa/xm-pa.h,
5485 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5486 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5487 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5488 config/we32k/xm-we32k.h: Delete.
5490 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5491 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5492 config/vax/xm-vms.h: Don't define any of:
5493 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5495 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5497 * config.gcc: Remove references to deleted files.
5498 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5499 FATAL_EXIT_CODE, which is the same between oe and mvs).
5501 2001-03-14 DJ Delorie <dj@redhat.com>
5502 Vladimir Makarov <vmakarov@redhat.com>
5504 * config/i960/i960.c (i960_function_prologue): Compute size of
5505 frame according to number of registers actually saved there.
5507 2001-03-14 Richard Henderson <rth@redhat.com>
5509 * expr.c (emit_move_insn_1): Fix else if around #endif.
5511 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5514 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5517 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5519 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5520 (override_options): Parse cmodel string.
5521 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5522 * i386.h (TARGET_OPTIONS): Add "cmodel".
5523 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5525 (ix86_cmodel_string, ix86_cmodel): Declare.
5527 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5530 * i386.h (GENERAL_REG_P): Add missing REG_P.
5532 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5534 * configure.in: Use $gcc_cv_as instead of $as.
5535 * configure: Regenerated.
5537 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5539 * cppfiles.c (stack_include_file): Only increase the include
5540 count if we actually process the file properly, as opposed
5541 to treating it as length zero. Only call read_include_file
5542 if not DO_NOT_REREAD. Handle the -H include file output
5544 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5545 (cpp_included, find_include_file): Simplify pathnames after
5546 remapping them. If remapping, don't use the remapped file
5547 name's buffer as our scratch buffer.
5548 (cpp_pop_file_buffer): Replace the multiple include macro
5549 only if it isn't yet set.
5550 (read_name_map): Simplify remapped names when reading in.
5551 (remap_filename): Move code to code path that uses it.
5552 (_cpp_simplify_pathname): Return the input pointer.
5553 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5555 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5557 * expr.c (expand_expr): Revove bogus conditional.
5559 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5561 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5563 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5565 * reg-stack.c (stack_result): Unconditionally use
5566 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5568 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5570 * expr.c (emit_move_insn_1): Split push of complex value when
5571 no suitable push instruction exist.
5573 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5574 instead of QI_REG_P.
5576 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5578 * alias.c (handled_component_p, can_address_p): New functions.
5579 (get_alias_set): Use them.
5581 2001-03-13 Jim Wilson <wilson@redhat.com>
5583 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5584 from 80 in try_locals code.
5585 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5587 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5589 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5590 gcc_AC_C_LONG_LONG): New.
5591 * configure.in: Use them. Probe the size of short, int, long,
5592 and long long/__int64 if we have them. Move all the AC_C_*
5593 checks together, except gcc_AC_C_CHAR_BIT which has to go
5594 after AC_CHECK_HEADERS(limits.h).
5595 Take hwint.h out of host_xm_file and build_xm_file.
5597 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5598 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5599 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5600 Move the HOST_WIDEST_INT setup logic here from system.h.
5601 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5603 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5604 is now handled by hwint.h.
5606 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5607 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5608 config/ia64/xm-ia64.h: Don't define any of:
5609 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5610 HOST_BITS_PER_LONGLONG.
5612 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5613 config/h8300/xm-h8300.h, config/mips/iris6.h,
5614 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5615 config/sparc/xm-sp64.h: Delete.
5616 * config.gcc: Remove references to deleted files.
5618 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5619 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5620 * config/i370/xm-linux.h: Clarify floating-point situation in
5623 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5625 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5626 (find_include_file): Decide here which part of the include
5627 chain to start the search. Complain about an empty include
5628 chain in all cases apart from an abolsute file name.
5629 (_cpp_execute_include): Don't choose the search chain here.
5630 Don't call handle_missing_include in the case of an empty
5632 (_cpp_compare_file_date): Don't choose the search chain here.
5633 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5634 here from _cpp_execute_include. Behave like #include if
5635 we're in the main file.
5637 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5639 * system.h (malloc, realloc, calloc, strdup): Only poison these
5640 tokens when IN_GCC is defined.
5642 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5644 * i386.md (abs?f expander): Support SSE case.
5645 (abd?f_if): Add new "USE"; add splitters.
5647 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5649 * cpp.texi (poison): Explain the macro expansion exception.
5651 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5653 * expr.c (store_expr): Add dont_store_target. If temp is already in
5654 target before copying to reg, don't store it into target again.
5656 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5658 * cppinternals.texi: Update for file handling.
5660 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5662 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5663 2001-02-24 which broke building the Java library.
5664 * function.c (identify_blocks): Likewise.
5665 (all_blocks): Likewise.
5666 * integrate.c (integrate_decl_tree): Likewise.
5667 * print-tree.c (print_node): Likewise.
5668 * tree.h (BLOCK_NUMBER): Likewise.
5669 (struct tree_block): Likewise.
5671 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5673 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5674 __WCHAR_TYPE__ definition.
5675 (WCHAR_TYPE_SIZE): #undef before #define.
5677 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5679 * cppfiles.c: Update comments.
5680 (destroy_include_file_node): Rename destroy_node.
5681 (find_or_create_entry): New function.
5682 (open_file, _cpp_fake_include): Use it.
5683 (handle_missing_header): New function, broken out of
5684 _cpp_execute include. Don't segfault if there is no
5685 system or quoted path.
5686 (_cpp_execute_include): Use handle_missing_header.
5688 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5690 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5691 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5693 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5695 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5696 unless anti_dependence says they are.
5697 * alias.c (objects_must_conflict): If neither has a type specified,
5700 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5701 David Billinghurst <David.Billinghurst@riotinto.com>
5703 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5705 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5707 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5708 (*_one_bit): Remove type on the match_operand in attributes.
5710 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5712 * i386.c: Commit forgotten hunk in previous patch.
5713 (regclass_map): Add extended registers.
5714 (dbx_register_map): Add missing frame register.
5716 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5718 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5720 * i386.md (x86_sahf_1): Disable for 64bit.
5721 (popsi*, pophi*): Likewise.
5722 (pushqi, pushhi): Likewise.
5723 (movdi, pushdi): Likewise.
5724 (zero extend DImode splitter): Likewise.
5725 (adddi, minusdi splitter): Likewise.
5726 (umulsidi): Likewise.
5728 (mulsidi): Disable for 64bit
5729 (lshift:DI/ashift:DI): Disable for 64bit.
5730 (loop patterns): Likewise.
5731 (call_pop, call_value_pop expanders and patterns): Likewise.
5732 (prologue_get_pc): Likewise.
5734 (fcmovDI pattern and splitter): Likewise.
5735 (movdfcc_1_rex64): New.
5737 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5739 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5740 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5741 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5742 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5743 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5744 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5745 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5746 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5747 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5748 (REGPARM_MAX): Set to 6 for x86_64.
5749 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5750 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5753 * (patterns that does use upper halves): Update constraints
5754 'q' to 'Q' and 'r' to 'R'.
5755 (cmpqi_ext_1): Disable for 64bit.
5756 (cmpqi_ext_3_insn): Likewise.
5757 (movqi_extzv_1): Likewsie.
5758 (addqi_ext_1): Liekwsie
5759 (testqi_ext_1): Liekwsie
5760 (andqi_ext_1): Liekwsie
5761 (xorqi_ext_1): Liekwsie
5762 (cmpqi_ext_1_rex64): New.
5763 (cmpqi_ext_3_insn_rex64): Likewise.
5764 (movqi_extzv_1_rex64): Likewsie.
5765 (addqi_ext_1_rex64): Liekwsie
5766 (testqi_ext_1_rex64): Liekwsie
5767 (andqi_ext_1_rex64): Liekwsie
5768 (xorqi_ext_1_rex64): Liekwsie
5770 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5772 * configure.in: Move check for unsigned enumerated bitfields
5773 to macro in aclocal.m4. Disable it for now.
5774 * configure, config.in: Regenerate.
5775 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5776 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5777 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5778 kind above its first use.
5780 * config/xm-interix.h, config/alpha/xm-alpha.h,
5781 config/i370/xm-linux.h, config/i386/xm-beos.h,
5782 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5783 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5784 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5785 Don't define ONLY_INT_FIELDS under any circumstances.
5787 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5789 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5790 config/sparc/xm-sysv4.h: Delete - now identical with some
5792 * config.gcc (hppa targets): Replace xm-pahpux.h and
5793 xm-papro.h with implicit xm-pa.h.
5794 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5797 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5799 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5800 before reload_cse_noop_set_p.
5802 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5804 * config.gcc: Where xm-host.h used to include another
5805 xm-host.h, list the nested header directly in xm_file. Remove
5806 references to deleted files. Can now use sparc/xm-sp64.h for
5809 * config/xm-linux.h, config/arm/xm-linux.h,
5810 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5811 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5812 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5813 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5814 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5817 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5818 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5819 bother to wrap #undef in #ifdef.
5820 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5821 Don't include xm-linux.h.
5822 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5824 * configure.in: Wrap regexps using [] in changequote block.
5825 Use expr : not echo | grep. Simplify regexps.
5826 * configure: Regenerate.
5828 56 xm-files remain, 22 xm-arch.
5830 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5832 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5833 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5834 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5835 (copy_object): Fix format specifier vs argument mismatch.
5837 * mips-tdump.c: Make local functions static.
5838 (rindex): Don't #undef.
5839 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5840 (fatal, fancy_abort): Delete.
5841 (read_seek): Avoid signed/unsigned compare.
5843 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5845 * combine.c (try_combine): Fix error in change to try original
5847 (gen_rtx_combine): Do same as gen_rtx for now.
5849 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5851 * configure.in: AC_SUBST xm_defines.
5852 * configure: Regenerate.
5853 * Makefile.in: Set DEFINES=$(xm_defines) when building
5856 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5858 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5859 (cpp_included, find_include_file): Update.
5860 (_cpp_compare_file_date): Make else unconditional.
5862 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5864 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5866 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5868 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5869 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5871 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5873 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5874 if it's a record type.
5876 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5878 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5879 mingw includes slightly.
5881 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5883 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5884 #undef token before poisoning it.
5886 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5888 * alpha.c (check_float_value): Use memcpy, not bcopy.
5890 * m32r.c (m32r_sched_reorder): Likewise.
5892 * vax.c (check_float_value): Likewise.
5894 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5896 * toplev.c (file_name_nondirectory): Remove.
5897 * toplev.h: Similarly.
5898 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5899 of file_name_nondirectory.
5901 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5903 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5904 * mips-tfile.c: Don't #undef rindex; not used.
5906 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5908 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5909 (dbx64_register_map): Declare.
5910 (RETURN_ADDR_RTX): Fix for 64bit.
5911 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5912 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5913 * i386.c (dbx64_register_map): New global array.
5914 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5915 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5918 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5920 * cppfiles.c (search_from): Use lbasename.
5921 * mkdeps.c (deps_add_default_target): Use lbasename.
5923 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5925 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5926 xcalloc in lieu of malloc, realloc & calloc.
5928 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5930 * gengenrtl.c (xmalloc): Likewise.
5932 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5933 really_call_* memory allocation routines.
5935 * stmt.c (check_for_full_enumeration_handling): Use
5936 really_call_calloc, not calloc.
5938 * system.h (really_call_malloc, really_call_calloc,
5939 really_call_realloc): Define.
5940 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5942 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5944 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5946 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5948 * configure: Rebuilt.
5949 * configure.in: Only use `lang_requires' for languages athat are
5952 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5954 * invoke.texi: Fix typo.
5955 * gcc.1: Regenerate.
5957 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5959 * configure.in: Prune nonexistent files from build_xm_file,
5960 xm_file, and host_xm_file lists. Warn unless they're
5962 Don't generate *config.h here.
5963 AC_SUBST all variables needed to generate *config.h.
5964 * configure: Regenerate.
5965 * mkconfig.sh: New helper script, from code removed from
5967 * Makefile.in: Zap all MALLOC variables - no longer used
5968 anywhere, and malloc.c doesn't exist.
5969 Substitute in variables needed to generate *config.h.
5970 Stop lying about the dependencies contained in CONFIG_H and
5972 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5973 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5974 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5975 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5976 $(TM_P_H), etc. as appropriate.
5978 * config.gcc: Zap references to deleted files.
5979 * ggc-none.c: Don't include rtl.h or tm_p.h.
5981 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5982 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5983 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5984 config/i386/xm-linux.h, config/i386/xm-linux.h,
5985 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5986 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5987 Don't include i386/xm-i386.h.
5989 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5990 config/i386/xm-i386.h, config/i860/xm-i860.h,
5991 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5992 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5993 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5994 Delete (empty except comments, #includes of other deleted
5995 files, and macros used nowhere).
5997 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5999 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
6000 independent on TARGET_FLAGS.
6002 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
6004 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
6006 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
6008 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
6010 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
6011 LAST_REX_SSE_REG): define.
6012 (enum reg_class): Add 'LEGACY_REGS'
6013 (REG_CLASS_CONTENTS): Likewise; add extended registers.
6014 (SSE_REGNO_P): Recognize extended registers.
6015 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
6016 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
6017 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
6018 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
6019 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
6020 REG_OK_FOR_STRREG_P): Remove.
6021 (HI_REGISTER_NAMES): Add extended registers.
6022 (ADDITIONAL_REGISTER_NAMES): Likewise.
6023 (QI_REGISTER_NAMES): Add 8bit extended registers.
6024 (DEBUG_REG): Support extended registers.
6025 * i386.c (regclass_map): Add extended registers.
6026 (dbx_register-map): Likewise.
6027 (svr4_dbx_register_map): Likewise.
6028 (print_reg): Support extended registers.
6029 (print_operand): Support 64bit operands.
6031 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6033 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6034 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6035 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6036 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6037 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6038 STACK_BOUNDARY): Set properly for 64bits.
6039 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6040 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6041 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6042 (MOVE_MAX): Set to 16.
6043 (MOVE_MAX_PIECES): 8 for 64bit.
6044 (Pmode): Set to SImode.
6046 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6048 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6050 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6052 * i386.h (mask_64bit): New constant.
6053 (target_64bit): New macro.
6054 (target_options): Add '64'/'32'
6055 (target_default): Define.
6056 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6057 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6058 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6060 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6062 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6064 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6066 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6067 LO_SUM unless for_alias is set.
6069 2001-03-08 Stan Shebs <shebs@apple.com>
6071 * objc/objc-act.c: Fix old typos in comments, add comments for
6073 (hash_init): Fix file name in error message.
6074 (hash_enter): Ditto.
6075 (hash_add_attr): Ditto.
6076 (continue_class): Ditto.
6078 2001-03-08 Bruce Korb <bkorb@gnu.org>
6080 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6081 wait4() can receive the signal.
6083 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6085 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6087 * fixinc/fixincl.x: Regenerate.
6089 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6091 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6093 * fixinc/fixincl.x: Regenerate.
6095 2001-03-08 Richard Henderson <rth@redhat.com>
6097 * configure.in (HAVE_AS_LEB128): New assembler check.
6098 * configure, config.in: Rebuilt.
6100 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6102 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6105 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6107 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6108 references to the MAXPATHLEN macro.
6110 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6111 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6114 * config/i386/xm-gnu.h, config/xm-gnu.h,
6115 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6116 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6117 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6118 and/or unused files.
6120 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6121 doing so in various xm-*.h files.
6123 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6125 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6127 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6129 * configure.in (enable_shared): Support per-package shared-library
6131 * configure: Rebuilt.
6133 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6135 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6136 for crnot. Set operands[5] in splitter.
6138 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6140 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6141 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6142 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6143 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6144 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6145 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6146 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6149 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6150 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6151 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6152 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6153 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6154 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6155 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6156 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6157 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6158 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6159 Delete unused and/or empty files.
6161 * config.gcc: Define USG in xm_defines as appropriate. Define
6162 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6163 macro. Remove deleted xm-* files from $xm_files variable.
6165 2001-03-07 Tom Tromey <tromey@redhat.com>
6167 * configure: Rebuilt.
6168 * configure.in: Allow config-lang.in to set `lang_requires' to list
6169 of other required languages.
6171 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6173 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6175 (output_prologue): Use xmalloc not oballoc.
6176 (output_epilog): Free a29k_first_epilogue_insn when finished.
6177 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6179 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6181 * builtins.c (expand_builtin_mathfn): Check
6182 flag_unsafe_math_optimizations, not flag_fast_math.
6183 (expand_builtin): Likewise
6184 * combine.c (combine_simplify_rtx): Likewise.
6185 (simplify_if_then_else): Likewise.
6186 * cse.c (fold_rtx): Likewise.
6187 * flags.h: Remove flag_fast_math. Add
6188 flag_unsafe_math_optimizations and flag_trapping_math.
6189 * fold-const.c (negate_expr): Check
6190 flag_unsafe_math_optimizations, not flag_fast_math.
6191 (invert_truthvalue): Likewise.
6192 (fold): Likewise. Before associating operands, check that
6193 code == MULT_EXPR, not code != MULT_EXPR.
6194 * ifcvt.c (noce_try_minmax): Check
6195 flag_unsafe_math_optimizations, not flag_fast_math.
6196 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6197 * invoke.texi: Document -funsafe-math-optimizations and
6198 -fno-trapping-math. Change documentation for -ffast-math.
6199 * jump.c (reversed_comparison_code_parts): Likewise.
6200 (rtx_equal_for_thread_p): Likewise.
6201 * optabs.c (emit_conditional_move): Likewise.
6202 * simplify-rtx.c (simplify_binary_operation): Likewise.
6203 (simplify_relational_operation): Likewise.
6204 (simplify_ternary_operation): Likewise.
6205 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6206 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6207 Add trapping-math and unsafe-math-optimizations entries to f_options.
6208 (set_fast_math_flags): New, sets flags for -ffast-math.
6209 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6210 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6211 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6213 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6214 (alpha_emit_conditional_move): Initialize local_fast_math to
6215 flag_unsafe_math_optimizations, not flat_fast_math.
6216 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6217 instead of setting flag_fast_math to 1.
6218 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6220 * config/i386/i386.c (override_options): Likewise
6221 * config/i386/i386.md: Likewise.
6222 * config/m68k/m68k.md: Likewise.
6223 * config/mips/mips.md: Likewise.
6224 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6225 (rs6000_generate_compare): Likewise.
6227 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6229 * Makefile.in: Set RANLIB to @RANLIB@.
6232 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6234 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6235 * fixinc/fixincl.x: Regenerated.
6237 2001-03-07 Richard Henderson <rth@redhat.com>
6239 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6241 2001-03-07 Richard Henderson <rth@redhat.com>
6243 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6244 of block notes and exception handling notes.
6246 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6247 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6248 (compile_file): ... here.
6250 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6252 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6254 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6255 config.h now. Include libiberty.h to handle alloca.
6257 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6259 * c-parse.in (yylexname): New function, split out of _yylex.
6260 (objc_rid_sans_at): New table.
6261 (init_reswords): Initialize it.
6262 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6263 retrieving the next token and checking it for significance as
6264 an ObjC keyword or string constant.
6266 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6267 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6269 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6272 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6274 * config/m68k/m68k.c (const_uint32_operand): Accept any
6275 const_int on a 32-bit host.
6277 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6279 * objc/objc-act.c (init_objc): Set save_lang_status,
6280 restore_lang_status, and mark_lang_status.
6282 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6284 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6286 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6288 * cppinternals.texi: Update.
6290 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6292 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6293 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6294 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6295 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6296 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6297 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6298 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6299 config/i386/xm-i386.h, config/i860/xm-i860.h,
6300 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6301 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6302 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6303 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6304 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6305 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6306 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6307 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6308 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6309 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6310 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6311 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6312 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6313 match the defaults provided in hwint.h.
6315 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6316 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6318 * config.gcc (xm_file): Don't set to files which are deleted.
6320 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6321 guard this file against these macros being undefined.
6323 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6325 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6326 and DECL_DEFER_OUTPUT on the decl we create, before calling
6327 rest_of_decl_compilation.
6329 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6331 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6333 * configure, config.in: Regenerate.
6334 * config.gcc: Remove references to deleted files.
6336 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6337 genrecog.c, rtl.c: Do not use alloca anywhere.
6339 * Makefile.in, build-make, system.h, config/x-interix,
6340 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6341 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6342 config/arc/xm-arc.h, config/arm/xm-arm.h,
6343 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6344 config/h8300/xm-h8300.h, config/i370/x-oe,
6345 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6346 config/i386/x-ncr3000, config/i386/x-sco5,
6347 config/i386/xm-dgux.h, config/i860/x-sysv4,
6348 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6349 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6350 config/m68k/x-hp320g, config/m69k/x-mot3300,
6351 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6352 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6353 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6354 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6355 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6356 config/mips/x-iris, config/mips/x-iris3,
6357 config/mips/x-sni-svr4, config/mips/x-sysv,
6358 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6359 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6360 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6361 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6362 config/pa/xm-papro.h, config/romp/xm-romp.h,
6363 config/rs6000/x-aix31, config/rs6000/x-aix41,
6364 config/rs6000/x-beos, config/rs6000/x-lynx,
6365 config/rs6000/x-mach, config/rs6000/x-rs6000,
6366 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6367 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6368 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6369 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6370 config/vax/xm-vms.h: Eradicate all references to alloca and
6373 * config/xm-alloca.h, config/clipper/x-clix,
6374 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6375 config/i860/x-sysv3, config/m88k/x-sysv3,
6376 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6377 (contained only alloca related hacks).
6379 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6382 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6384 * invoke.texi: Document __FAST_MATH__.
6386 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6388 * crtstuff.c: Restore include of auto-host.h.
6390 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6392 Put main() in a separate file, so that the language
6393 front-end can use a different main().
6396 * toplev.c: (main): Rename as toplev_main.
6397 * toplev.h: Declare toplev_main.
6398 * Makefile.in (OBJS): add toplev.o.
6399 (BACKEND): remove toplev.o, add main.o.
6401 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6403 * cppfiles.c (search_from): Special case the empty string.
6405 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6407 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6408 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6409 strlen or strcpy; we already know the length.
6410 (_cpp_compare_file_date): Similarly.
6411 * cpphash.h (struct cpp_reader): Delete done_initialising.
6412 (CPP_PREV_BUFFER): Delete.
6413 * cppinit.c (cpp_start_read): Don't set done_initialising.
6414 * cpplex.c (parse_string): Guarantee null-termination.
6415 (_cpp_equiv_toklists): Remove.
6416 * cpplib.c (glue_header_name): Null-terminate.
6417 (do_line): Don't leak memory.
6418 * cpplib.h (BT_WEAK): Delete.
6419 * cppmain.c (cb_ident): Strings are now null-terminated.
6421 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6423 * gcc.c (convert_filename): Append executable suffix
6424 if NO_AUTO_EXE_SUFFIX is not defined.
6425 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6426 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6428 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6430 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6431 * c-parse.gperf, c-gperf.h: Delete.
6432 (c-gperf.h was accidently re-added to the CVS repo in the rev
6433 1.16 commit by tromey)
6435 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6437 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6438 macro arguments when looking for the '('.
6439 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6440 2 when really parsing arguments; 1 when looking for '('.
6441 Always restore the lexer position.
6443 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6445 * longlong.h (umul_ppmm): Don't use a multiline string.
6447 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6449 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6450 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6451 t_bool in declaration because pcc can't combine volatile with typedef
6454 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6456 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6457 until when it is really needed.
6458 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6459 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6460 * i386.md (float?i?f splitter): Don't force source operand to memory
6462 (sse_movdfcc): Fix constraint.
6463 (sse_movdfcc splitter): Handle properly the second alternative.
6465 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6467 * cpplex.c (parse_string): Unconditionally pedwarn.
6469 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6472 * cppexp.c (parse_number): Update.
6473 * cpplex.c (parse_string): Pedwarn if multiline string does not
6474 result from a system header's macro.
6475 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6476 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6477 for function-like macros too.
6478 * c-lex.c (lex_number): Update.
6480 2001-03-03 Richard Henderson <rth@redhat.com>
6482 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6484 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6486 * combine.c (try_combine): If split with mode-changed scratch
6487 register didn't work, try the original mode.
6489 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6491 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6492 * config/c4x/c4x.h: Likewise.
6493 * stor-layout.c (compute_record_mode): Likewise.
6494 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6496 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6498 * configure.in: Kill tm.h. Include the files in the $tm_file
6499 list in all three of config.h, hconfig.h, tconfig.h, after the
6500 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6501 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6502 * configure: Regenerate.
6503 * Makefile.in (clean): Don't delete tm.h.
6505 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6506 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6507 those are not defined, set SEC and FEC to 0 and 1.
6508 * gcc.texi: Update to match.
6510 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6511 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6512 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6513 Include tconfig.h, not tm.h.
6515 * config/xm-lynx.h, config/xm-std32.h,
6516 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6517 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6518 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6519 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6520 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6521 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6522 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6523 config/i386/xm-i386.h, config/i860/xm-i860.h,
6524 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6525 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6526 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6527 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6528 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6529 config/pa/xm-linux.h, config/pa/xm-pa.h,
6530 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6531 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6532 config/pj/xm-pj.h, config/romp/xm-romp.h,
6533 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6534 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6535 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6536 config/v850/xm-v850.h, config/vax/xm-vax.h,
6537 config/we32k/xm-we32k.h:
6539 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6541 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6542 config/i370/xm-oe.h: Don't include tm.h. Don't define
6544 * config/vax/xm-vms.h: Don't include tm.h.
6546 * config/xm-lynx.h, config/avr/xm-avr.h,
6547 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6548 Delete; made empty by above changes.
6549 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6550 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6551 Don't include config/xm-lynx.h or tm.h.
6553 * config/xm-gnu.h: Don't include fcntl.h.
6554 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6556 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6558 2001-03-02 Richard Henderson <rth@redhat.com>
6560 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6561 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6563 2001-03-02 Richard Henderson <rth@redhat.com>
6565 * Makefile.in (OBJS): Add dwarf2asm.o.
6566 * dwarf2asm.c, dwarf2asm.h: New files.
6567 * dwarf2out.c (*): Use them.
6568 (size_of_uleb128, size_of_sleb128): Remove.
6569 (output_uleb128, output_sleb128): Remove.
6570 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6571 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6572 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6573 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6574 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6575 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6576 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6577 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6578 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6579 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6580 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6581 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6582 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6583 (dwarf2out_frame_debug): Remove unused variables.
6584 (output_loc_operands): Don't abort on 8 byte constants if
6585 host integers are wide enough.
6586 (output_symbolic_ref): Remove.
6587 (size_of_die): Don't assume 4 byte host integers.
6588 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6590 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6591 something stupid with HOST_WIDE_INT to long truncation.
6592 [CONST_DOUBLE]: Likewise.
6594 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6595 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6596 * config/arm/unknown-elf.h: Likewise.
6597 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6598 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6599 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6600 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6601 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6602 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6603 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6604 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6605 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6606 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6607 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6608 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6610 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6612 * cselib.c (hash_rtx): Cast enums to unsigned int.
6614 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6616 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6617 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6619 * c-format.c (C_STD_VER): Cast to int for comparisons.
6620 (check_function_format): Cast various enums to int for &.
6621 (maybe_read_dollar_number): Likewise.
6622 (check_format_info): Likewise.
6623 (check_format_info_main): Likewise.
6624 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6625 (safe_from_p): Likewise.
6626 * varasm.c (const_hash): Cast enum to int for %.
6627 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6628 pcc enum problems with < and ++ operators.
6629 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6630 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6631 (regclass_init): Change enum class to int to iterate over reg_classes.
6632 * genrecog.c (merge_trees): Cast enums for comparison.
6633 * rtl.h (GET_CODE): Cast to enum rtx_code.
6634 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6635 (GET_MODE): Cast to enum machine_mode.
6636 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6637 (GET_NOTE_INSN_NAME): Cast enum to int.
6638 * tree.h (TREE_CODE): Cast to enum tree_code.
6639 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6640 * timevar.c (timevar_print): Change loop variable id from enum to
6642 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6643 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6644 * toplev.c (compile_file): Cast enum DFI to int.
6645 (decode_d_option): Likewise.
6647 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6649 * cppinit.c (append_include_chain): Mark "after" include file name list
6650 as a system directory.
6651 * cpp.texi: Document new behavior.
6653 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6655 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6657 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6659 * cppfiles.c (struct include_file): Update.
6660 (stack_include_file): Use search_from.
6661 (cpp_included, find_include_file): Update.
6662 (cpp_execute_include): Update. ptr->name may not be
6663 null terminated. Use the new search_from member variable
6665 (_cpp_compare_file_date): Similarly.
6666 (search_from): New function, similiar to actual_directory.
6667 (actual_directory): Delete.
6668 (remap_filename): Update. loc->name may not be null terminated.
6669 (struct file_name_list): Rename search_path. Update.
6670 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6671 search_from and dir.
6672 (struct cpp_reader): Remove actual_dirs.
6673 * cppinit.c (struct cpp_pending): Update for renamed objects.
6674 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6675 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6676 * cpplib.h (struct cpp_options): Similarly.
6678 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6680 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6681 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6682 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6683 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6684 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6685 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6686 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6687 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6688 config/i370/xm-oe.h, config/i386/xm-aix.h,
6689 config/i386/xm-i386.h, config/i386/xm-osf.h,
6690 config/i860/xm-i860.h, config/i960/xm-i960.h,
6691 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6692 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6693 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6694 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6695 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6696 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6697 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6698 config/pj/xm-pj.h, config/romp/xm-romp.h,
6699 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6700 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6701 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6702 config/v850/xm-v850.h, config/vax/xm-vax.h,
6703 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6704 Do not define TRUE or FALSE.
6706 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6707 empty by above change.
6708 * config.gcc: Remove references to these files.
6710 * configure.in: Detect stdbool.h.
6711 * configure, config.in: Regenerate.
6712 * system.h: Include stddef.h here if available.
6713 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6714 Then set up a sensible boolean type at the very end.
6716 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6717 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6719 * hash.h: Delete 'boolean' typedef and related #undefs.
6721 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6722 all uses of 'boolean' with 'bool'.
6724 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6726 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6727 * cppexp.c (lex): Cast enums for comparison.
6728 * cppinit.c (parse_option): Cast enum for comparison.
6729 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6730 (cpp_output_token): Likewise.
6731 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6732 (cpp_avoid_paste): Cast enums for minus and comparison.
6734 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6736 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6737 field to all array elements.
6739 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6741 * cpphash.h (struct cpp_reader): Add print_version field.
6742 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6743 just set print_version and other flags as appropriate.
6744 (cpp_post_options): Print version here if print_version is set.
6746 * toplev.c (exit_after_options): New flag.
6747 (independent_decode_option): Don't exit here; just set
6749 (main): Exit after calling lang_hooks.post_options if
6750 exit_after_options is true.
6752 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6753 (merge_include_chains): Adjust comment to match code.
6755 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6757 * stringpool.c (set_identifier): New function.
6758 * tree.h: Prototype it.
6760 * c-parse.in: Kill D_YES. If compiled for objc, call
6761 save_and_forget_protocol_qualifiers from init_reswords.
6762 * objc/objc-act.c (remember_protocol_qualifiers,
6763 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6764 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6766 (save_and_forget_protocol_qualifiers): New function.
6767 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6769 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6771 * c-semantics.c (prune_unused_decls): Return error_mark_node
6772 instead of (tree) 1 to stop traversing the tree chain.
6774 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6776 Fix a problem introduced by Kenner's Feb 18 change.
6777 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6778 flag_cse_skip_blocks only temporarily, not for ever.
6780 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6782 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6783 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6785 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6786 before determining its register class.
6788 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6790 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6791 from reg 4 if current_function_calls_setjmp.
6792 (gen_nop_type): New function.
6793 (ia64_emit_nops): New function.
6794 (ia64_reorg): Call it.
6795 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6797 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6798 code not to try to optimize adds with anything but a REG destination.
6800 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6801 (INSN_PRIORITY_KNOWN): New accessor macro.
6802 * haifa-sched.c (priority): Use it instead of testing priority against
6805 2001-02-28 DJ Delorie <dj@redhat.com>
6807 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6808 since that doesn't work the way gcc wants on a generic m68k.
6810 2001-02-28 Richard Henderson <rth@redhat.com>
6812 * caller-save.c (save_call_clobbered_regs): Fix typo in
6813 comparison last change.
6815 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6817 * i386.c (pentium4_cost): New.
6818 (m_PENT4): New macro.
6819 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6820 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6821 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6822 x86_memory_mismatch_stall): Add Pentium4
6823 (x86_use_q_reg, x86_use_any_reg): Kill.
6824 (override_options): Add pentium4.
6825 (incdec_operand): Return 0 for pentium4.
6826 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6827 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6828 (TARGET_PENTIUM4): Define.
6829 (enum processor_type): Add PROCESSOR_PENTIUM4.
6830 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6831 * i386.md (attribute "cpu"): Add pentium4.
6832 * invoke.texi (march): Add pentium4.
6834 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6836 * i386.md (sse_mov?fcc*): New patterns and splitters.
6837 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6838 the SSE based conditional moves.
6840 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6842 * i386.md (attribute mode): Add "TI".
6843 (movsf_1): Add pxor support; remove constant propagation splitter.
6844 (movdf_integer): Likewise.
6845 (movdf_nointeger): Likewise.
6846 (movxf constant prop splitter): Handle all modes; update for SSE.
6847 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6848 * i386.c (standard_80387_constant_p): Rewrite.
6849 (standard_sse_constant_p): New.
6850 * i386-protos.h (standard_sse_constant_p): New.
6852 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6854 * i386.md (sse_setccsf, sse_setccdf): New.
6855 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6857 * i386.c (sse_comparison_operator): Accept the supported unordered
6858 comparses; be ready for fast_math.
6859 (print_operand): Support 'D'.
6861 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6863 * jump.c (reversed_comparison_code): Kill.
6865 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6867 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6870 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6872 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6873 add missing '%' in constraints.
6875 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6877 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6878 for HOST_BITS_PER_WIDE_INT == 32 too.
6880 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6882 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6884 (insert_save, insert_restore): New parameter save_mode.
6885 (init_caller_save): Update initialization of reg_save_code
6886 and reg_restore_code.
6887 (save_call_clobbered_regs): Compute save_modes and update calls to
6888 reg_save_code and reg_restore_code.
6889 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6890 of spill; update use of reg_restore_code.
6891 (insert_save): Likewise.
6892 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6893 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6894 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6896 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6898 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6899 noce_try_store_flag_inc, noce_try_store_flag_mask,
6900 noce_try_cmove_arith):
6901 Use reversed_comparison_code instead of reverse_comparison and
6902 can_reverse_comparison_p.
6904 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6906 * jump.c (reversed_comparison_code_parts): Allow reversal of
6907 unordered compares in -ffast-math mode; reverse ordered compares
6908 for FP even w/o -ffast-math.
6910 2001-02-27 Richard Henderson <rth@redhat.com>
6912 * print-rtl.c (print_rtx) [i]: Don't print field five on
6913 NOTEs other than NOTE_INSN_DELETED_LABEL.
6915 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6917 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6918 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6920 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6922 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6923 even if walk_subtrees is 0.
6924 * c-semantics.c (prune_unused_decls): Return a non-null value to
6925 stop traversing the tree chain.
6927 2001-02-27 DJ Delorie <dj@redhat.com>
6929 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6930 register, *then* define it as the new CFA.
6932 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6934 * pa.c (override_options): Promote -fpic to -fPIC.
6935 (legitimize_pic_address): Simplify due to removal of
6936 small PIC as a code generation option.
6937 (secondary_reload_class): Similarly.
6938 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6939 (PRINT_OPERAND_ADDRESS): Similarly.
6940 * pa.md (various patterns): Similarly.
6941 (small pic lo_sum pattern): Remove.
6943 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6946 * md.texi (min, max): Document
6948 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6950 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6951 TARGET_PARTIAL_REG_DEPENDENCY.
6952 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6954 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6956 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6958 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6960 * mips.c (mips_make_temp_file): Fix thinko in last change.
6962 2001-02-26 Jason Eckhardt <jle@redhat.com>
6964 * combine.c (known_cond): Do not reverse the condition when
6965 SMAX/UMAX is being considered and the condition is for equality
6968 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6970 2001-02-26 Philip Blundell <philb@gnu.org>
6972 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6974 * config/arm/linux-elf.h: Remove historical relics related to
6975 above configurations.
6976 * config/arm/linux-oldld.h: Delete.
6977 * config/arm/linux-elf26.h: Delete.
6979 2001-02-26 Jason Merrill <jason@redhat.com>
6981 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6983 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6984 recognize a tentative definition. Lose obsolete code.
6986 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6987 variables unless necessary, either.
6989 2001-02-25 Richard Henderson <rth@redhat.com>
6991 * ifcvt.c (struct noce_if_info): Add test_bb.
6992 (noce_get_alt_condition): New.
6993 (noce_try_minmax, noce_try_abs): New.
6994 (noce_operand_ok): New.
6995 (noce_process_if_block): Use them.
6996 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6998 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
7000 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
7003 2001-02-25 Zack Weinberg <zackw@stanford.edu>
7005 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
7006 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
7008 (mips_asm_file_end): Free temp_filename here.
7010 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7012 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
7013 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
7015 * config/i386/i386.md (movstrsi): Handle FAIL case.
7017 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
7019 * cppinit.c (builtin_array): Update.
7020 (init_builtins): Flag builtins to warn if redefined or
7021 undefined. Define __GXX_WEAK as a normal macro.
7022 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7023 * cpplib.h (NODE_WARN): New flag.
7024 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7025 Handle __STDC__ as a builtin only on Solaris.
7026 (warn_of_redefinition): Renamed from check_macro_definition.
7027 Reverse sense of test. Always warn if NODE_WARN.
7028 (_cpp_create_definition): Use warn_of_redefinition. Flag
7029 any macro beginning with "__STDC_" to require a mandatory
7030 warning if redefined or undefined.
7032 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7034 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7035 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7036 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7037 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7038 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7039 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7040 Don't define any of:
7041 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7042 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7043 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7044 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7045 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7047 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7048 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7051 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7052 Delete now-empty file.
7054 * alpha/vms.h: Define NEED_ATEXIT here...
7055 * alpha/xm-vms.h: ...not here.
7057 * i386/cygwin.h: Don't define PARAMS.
7058 * mips/mips.c: Don't prototype mktemp. Don't define
7059 P_tmpdir. Use make_temp_file to create temporary files.
7060 Don't be clever and delete temporary files early.
7061 * config.gcc: Drop references to deleted files. Don't define
7063 * gcc.texi: Don't mention USE_PROTOTYPES.
7065 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7067 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7068 (ix86_set_move_mem_attrs_1): Likewise.
7069 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7070 * config/i386/i386.md (movstrsi): Call it.
7072 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7074 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7075 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7076 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7077 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7079 (i750a-*-*): Error here if hosting on i750a.
7080 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7082 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7083 Remove (empty modulo comments).
7085 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7086 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7087 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7088 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7089 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7090 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7092 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7093 Remove reference to winnt.h in comment.
7094 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7096 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7098 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7099 used to set another biv.
7101 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7103 * tree.h (BLOCK_DEAD): New macro.
7104 (struct tree_block): New flag, dead_flag.
7105 * print-tree.c (print_node, case 'b'): Print missing fields.
7106 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7107 * function.c (identify_blocks): Enable test for misplaced notes.
7108 (all_blocks): Skip BLOCK_DEAD blocks.
7109 * integrate.c (integrate_decl_tree): Likewise.
7111 * errors.c (internal_error, trim_filename): New functions.
7112 (fancy_abort): Call internal_error.
7113 * errors.h (internal_error, trim_filename): New declarations.
7115 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7117 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7119 (EXTRA_CONSTRAINT): Formatting changes.
7121 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7123 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7125 2001-02-23 Per Bothner <per@bothner.com>
7127 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7128 so they can be called from java/jvspec.c.
7129 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7131 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7133 * i386.c (ix86_frame): New structure.
7134 (ix86_compute_frame_size): Kill.
7135 (ix86_compute_frame_layout): New.
7136 (ix86_save_reg): New.
7137 (ix86_can_use_return_insn_p): Use frame layout stuff.
7138 (ix86_expand_prologue): Likewise.
7139 (ix86_expand_epilogue): Likewise.
7140 (ix86_initial_elimination_offset): Likewise.
7141 (ix86_nsaved_regs): Use ix86_save_reg.
7142 (ix86_emit_save_regs): Likewise.
7144 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7146 * flow.c (find_sub_basic_blocks): New function.
7147 (split_block): Be ready for basic block introduced by CODE_LABEL.
7148 (commit_one_edge_insertion): Call find_sub_basic_block.
7150 * flow.c (make_edges): Add edge from entry for blocks starting with
7151 label having ALTERNATE_NAME
7153 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7155 * function.c (epilogue_done): Be ready for first basic block not
7156 containing PROLOGUE_END note.
7157 (reposition_prologue_and_epilogue_notes): Avoid placing
7158 PROLOGUE_END note between BASIC_BLOCK.
7160 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7162 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7164 2001-02-21 DJ Delorie <dj@redhat.com>
7166 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7167 check for current_function_has_nonlocal_goto from 1999-11-12.
7169 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7171 * diagnostic.c (trim_filename): No longer static.
7172 * toplev.h (trim_filename): Declare.
7173 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7174 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7175 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7176 (rtvec_check_failed_bounds): Likewise.
7177 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7179 * convert.c (convert_to_integer): Don't do unsigned unless result or
7180 both inputs are unsigned.
7182 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7185 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7187 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7189 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7191 * Makefile.in (resource.o): Add params.h dependence.
7192 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7193 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7194 * resource.c: Add dependence on params.h.
7195 (current_live_regs): Fix explanatory comment.
7196 (find_basic_block): Add new parameter to permit limiting search
7198 (mark_target_live_regs): Add new argument to find_basic_block call.
7199 (incr_ticks_for_insn): Likewise.
7201 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7203 * diagnostic.c (output_to_stream): Rename to
7204 output_buffer_to_stream. Loses the stream parameter.
7205 (init_output_buffer): Set diagnosic_buffer's stream.
7206 (flush_diagnostic_buffer): Adjust.
7207 (default_print_error_function): Likewise.
7208 (finish_diagnostic): Likewise.
7209 (verbatim): Likewise.
7211 * diagnostic.h (struct output_buffer): Add `stream' field.
7212 (output_buffer_attached_stream): New macro.
7214 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7216 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7217 check if either operand is divisible by C.
7218 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7219 If type is signed, consider negative numbers as well.
7221 2001-02-22 Richard Henderson <rth@redhat.com>
7223 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7224 reach .text instead of gp-relative relocs.
7225 * config/ia64/crtend.asm (.init): Likewise.
7227 2001-02-22 Andreas Jaeger <aj@suse.de>
7229 * extend.texi (C++ Attributes): Fix typo.
7231 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7233 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7234 functions, drop current_function_args_info.words test.
7235 (ia64_compute_frame_size): Mark syscall_linkage functions as
7236 using eight input registers.
7238 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7239 Bruce Korb <bkorb@gnu.org>
7241 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7242 * fixinc/README: Document how to convert sed substitutions
7243 to format style c_fix-es.
7244 * fixinc/fixincl.x: regen
7246 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7248 * gcc.c: Add comment explaining how to add a command-line option.
7249 Add title to specs language comment.
7251 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7253 * gcc.c (cc1_options): Add "-param".
7254 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7255 (option_map): Likewise.
7256 * toplev.c (display_help): Add entry for "--param".
7257 (independent_decode_option): Fix typographical error.
7259 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7260 Bernd Schmidt <bernds@redhat.com>
7261 Jan Hubicka <jh@suse.cz>
7263 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7264 (function_arg): Likewise.
7266 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7268 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7270 2001-02-21 Kazu Hirata <kazu@hxi.com>
7272 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7276 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7278 * flow.c (init_propagate_block_info): Canon address and use single_set
7279 for killing dead memory stores.
7281 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7283 * Makefile.in (reorg.o): Add params.h dependence.
7284 * params.def: Fix typographical error in comment.
7285 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7286 * params.h: Modify introductory comment.
7287 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7288 * reorg.c: Add dependence on params.h.
7289 (redundant_insn): Add parameterized throttle for search.
7290 (fill_simple_delay_slots): Add a comment explaining a variable.
7291 Move conditional out of loop, simplifying code.
7292 (fill_eager_delay_slots): Fix typographical error in comment.
7294 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7296 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7298 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7299 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7301 2001-02-21 Jason Merrill <jason@redhat.com>
7303 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7304 (struct tree_decl): Add uninlinable bitfield.
7305 * c-decl.c (duplicate_decls): Set it.
7306 * integrate.c (function_cannot_inline_p): Check it.
7308 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7309 DW_AT_MIPS_linkage_name to abstract methods.
7310 (dwarf2out_abstract_function): Emit class context before calling
7311 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7312 (gen_subprogram_die): Remove obsolete code.
7313 (gen_member_die): Don't include clones in the member list.
7314 (gen_decl_die): Emit abstract info for clone origin.
7315 * dwarfout.c (output_type): Don't include clones in the member list.
7316 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7317 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7318 DECL_ABSTRACT on a function that already has it set.
7320 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7321 (get_subprogram_die): Pass it in.
7323 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7325 * flow.c (mark_set_1): Make not_dead unsigned long. For
7326 non-pseudos, use it as a bitmask of the hard regs that
7329 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7331 * cppfiles.c: Update comments.
7332 (_cpp_read_file): Don't check for NULL filenames any more.
7333 * cppinit.c (cpp_start_read): Don't do canonicalization of
7334 in_fname and out_fname. Use the passed file name exclusively.
7335 (_cpp_handle_options): Don't treat "-" as a command line option,
7336 but as a normal filename.
7337 (_cpp_post_options): Canonicalize in_fname and out_fname.
7338 * cppmain.c (printer_init): Don't check out_fname for NULL.
7339 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7340 (init_c_lex): Update, and use "" to represent stdin to CPP.
7343 2001-02-20 Will Cohen <wcohen@redhat.com>
7345 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7346 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7347 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7350 2001-02-20 Stan Shebs <shebs@apple.com>
7352 * config/rs6000/rs6000.c (output_cbranch): Output branches
7353 on separate lines instead of using ';' to separate.
7355 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7357 * cppinit.c (set_lang): Move builtin handling to...
7358 (init_builtins): ...here.
7359 (_cpp_create_reader): Move call to set_lang.
7361 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7363 * stmt.c (expand_return): If an attempt is made to return the
7364 error_mar_node, treat the return like a return without a value.
7366 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7368 * sibcall.c (skip_copy_to_return_value): Call
7369 identify_call_return_value here, and return orig_insn if it
7370 returns zero. Hardret and softret arguments now unnecessary.
7371 (call_ends_block_p): Don't call identify_call_return_value here.
7373 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7375 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7376 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7378 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7380 * pa.c (move_operand): Accept code to load the address of a
7381 symbol out of the DLT as a valid move operand.
7382 (print_operand, case 'A'): New to handle generating a DLT
7383 reference for a LO_SUM expression.
7384 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7385 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7387 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7389 * README, cpp.texi, gcc.texi, version.c: Update version number to
7391 * cpp.1, gcov.1, gcc.1: Regenerate.
7393 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7395 * cppfiles.c (stack_include_file): Generate dependencies
7396 here, and manage include_count here too.
7397 (PRINT_THIS_DEP): Delete.
7398 (_cpp_execute_include): Do not generate dependencies here,
7399 apart from the case of a missing header. Do not manage
7401 (_cpp_read_file): Leave dependency generation to
7404 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7406 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7407 target_cpu_default. Remove dead assignment to
7410 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7412 * regclass.c (contains_reg_of_mode): Make global.
7413 (init_reg_sets): Remove contains_reg_of_mode; take into account
7414 CLASS_MAX_NREGS when looking for the proper mode.
7415 (dump_regclass): Dump only classes considered for the pseudo.
7416 (regclass): Use contains_reg_of_mode.
7418 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7420 * gcc.c (do_spec_1): 'n' for printing notices.
7421 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7423 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7425 * reg-stack.c (next_flags_user): Use current_block->end
7426 (swap_rtx_condition): Look for next user if flags don't die;
7427 give up on CALL_INSNs; use current_block->end.
7429 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7431 * sibcall.c (call_ends_block_p): New function.
7432 (optimize_sibling_and_tail_recursive_call): Use it.
7434 2001-02-18 Kazu Hirata <kazu@hxi.com>
7436 * config/h8300/h8300.md: Update copyright.
7437 (andsi3): Do not output an extra newline character.
7439 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7441 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7442 FNDECL may be unused.
7444 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7445 follow jumps after first run.
7446 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7447 it doesn't change any jumps.
7449 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7451 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7452 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7453 (mostlyclean): Corresponding changes.
7454 * rtlanal.c (hard-reg-set.h): Include.
7455 (rtx_unstable_p): Do not treat the argument pointer specially
7456 if it is not a fixed register.
7457 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7459 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7461 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7462 against last real insn in basic block.
7463 Rework to avoid gotos.
7465 * Makefile.in (gcse.o): Now includes ggc.h.
7466 * gcse.c: Include ggc.h.
7467 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7468 (try_replace_reg): Remove warning of uninitialize variable.
7469 (process_insert_insn): Call invalid_insn_p to validate insn.
7470 * recog.c (insn_invalid_p): Now global.
7471 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7472 * recog.h (insn_invalid_p): New declaration.
7474 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7476 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7477 assignments from FP constants since 'Y' output code can't handle it.
7478 (eligible_for_sibcall_delay): Likewise.
7480 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7481 Call fancy_abort directly, passing args.
7482 (print_rtl_and_abort): Now a macro, like fancy_abort.
7484 * final.c (output_operand_lossage): Use internal_error, not error.
7486 2001-02-18 Shane Nay <shane@agendacomputing.com>
7488 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7489 structure shift insns.
7491 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7493 * invoke.texi (-fsquangle): Remove documentation.
7494 (-fname-mangling-version): Likewise.
7496 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7498 * optabs.c (expand_abs): Remove reference to
7499 HAVE_contitional_arithmetic.
7500 * combine.c (simplify_set): Likewise.
7502 2001-02-18 Richard Henderson <rth@redhat.com>
7504 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7507 2001-02-18 Richard Henderson <rth@redhat.com>
7509 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7511 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7513 * reload1.c (reload_cse_simplify_set): Fix typo.
7515 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7517 * diagnostic.c (_fatal_insn): Decrement errorcount.
7519 * invoke.texi (-I): Add note avoiding use for system header files.
7521 * rtl.h (add_clobbers): Remove duplicate declaration.
7522 * recog.h (added_clobbers_hard_reg_p): New declaration.
7523 * genemit.c (struct clobber_pat): New field has_hard_reg.
7524 (gen_insn): Record if added clobbers clobber hard reg.
7525 (gen_split): Avoid unused warning if number of operands is 0.
7526 (output_added_clobbers_hard_reg_p): New function.
7529 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7531 * pa.c (hppa_expand_prologue): Simplify code storing return
7532 pointer. For large (>=8k) frames with a post_store, adjust stack
7533 pointer by 8k-64 first rather than by 64. When testing with
7534 VAL_14_BITS_P, always use the actual value rather than the value
7535 negated. Add blockage to prevent scheduling of spills before
7536 stack frame has been created.
7537 (hppa_expand_epilogue): Simplify code loading return pointer.
7538 Allow a slightly larger range for merge_sp_adjust_with_load case.
7539 When testing with VAL_14_BITS_P, always use the actual value.
7541 * pa.c (pa_adjust_insn_length): Check that block move
7542 pattern is a set before looking at operands.
7544 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7546 * fold-const.c (fold_binary_op_with_conditional_arg): New
7547 function, split out from ...
7549 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7550 conditional arms that throw exceptions.
7552 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7555 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7557 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7558 define HAVE_DECL_* to 1 to mask potential backup declarations.
7559 * configure: Regenerated.
7561 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7563 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7565 2001-02-17 Richard Henderson <rth@redhat.com>
7567 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7568 when replacing a memory load with a register.
7570 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7571 Jan Hubicka <jh@suse.cz>
7573 * recog.c (validate_replace_src_1): New.
7574 (validate_replace_src_data): Likewise.
7575 (validate_replace_src): Use note_uses.
7576 * rtl.h (note_uses): Declare.
7577 * rtlanal.c (note_uses): New.
7579 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7581 * reg-stack.c (stack_def): Make field reg unsigned.
7582 (remove_regno_note): Unsignetize parameter.
7584 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7586 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7587 shladd_operand() call.
7589 2001-02-16 Bruce Korb <bkorb@gnu.org>
7590 Rodney Brown <RodneyBrown@mynd.com>
7592 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7593 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7594 machine restrictions
7595 * fixinc/fixincl.x: regen
7597 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7599 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7601 (hash_scan_insn): Clean up calls to hash_scan_set.
7602 (compute_kill_rd): REGNO now unsigned.
7603 (try_replace_reg): Rework to use simplify_replace_rtx.
7604 (cprop_jump, cprop_cc0_jump): Likewise.
7605 (cprop_insn): Call find_reg_equal_equiv_note.
7606 Reflect changes to cprop_jump and cprop_cc0_jump.
7608 * recog.c (validate_replace_src): Replace in operands of
7609 ZERO_EXTRACT in SET_DEST.
7611 * cse.c (new_label_ref): New variable.
7612 (insert): Set it instead of recorded_label_ref.
7613 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7614 CODE_LABEL for this function, and not already in REG_LABEL note.
7616 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7618 * resource.c (mark_referenced_resources): Fix typo in introductory
7620 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7623 2001-02-16 Jason Merrill <jason@redhat.com>
7625 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7627 (gen_subprogram_die): Don't abort on seeing a second definition if
7628 the previous one was abstract. Don't replace an abstract instance
7629 in the lookup table.
7631 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7632 gen_abstract_function.
7633 * dwarf2out.h: Declare it.
7634 * toplev.c (note_outlining_of_inline_function): New fn.
7635 * toplev.h: Declare it.
7636 * integrate.c (output_inline_function): Call it.
7637 * c-decl.c (duplicate_decls): Call it when redefining an extern
7638 inline. Don't inline the new defn.
7640 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7642 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7644 * .gdbinit: Rename to gdbinit.in.
7645 * gdbinit.in: New file,
7646 * configure.in: Generate .gdbinit from gdbinit.in.
7647 * configure: Regenerated.
7648 * Makefile.in (distclean): Always remove .gdbinit.
7650 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7652 * objc/objc-act.c (start_class): Register implemented_classes with
7655 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7657 * cppfiles.c (_cpp_make_system_header): Generate a file
7660 2001-02-15 Jim Meyering <meyering@lucent.com>
7662 * Makefile.in (install-common): Don't depend on installdirs here.
7663 Instead, make each of the lang.install-common targets (e.g.,
7664 c++.install-common in cp/Make-lang.in) depend on it.
7665 (install-driver): Depend on installdirs.
7667 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7669 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7671 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7674 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7676 * invoke.texi (--param): Document.
7678 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7680 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7682 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7684 * i386.md (extendsfdf2_2): Fix constraints.
7686 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7688 * i386.md (fop_df_3 splitter): Fix operand number.
7690 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7692 * invoke.texi (-mreg-alloc): Nuke.
7693 * i386.c (ix86_reg_alloc_order, regs_allocated,
7694 order_regs_for_local_alloc): Nuke.
7695 (override_options): Kill reg_alloc code.
7696 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7697 (REG_ALLOC_ORDER): SSE goes before I387.
7698 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7699 (ix86_reg_alloc_order): Likewise.
7700 * i386-protos.h (ix86_reg_alloc_order): Kill.
7702 2001-02-14 Richard Henderson <rth@redhat.com>
7704 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7706 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7708 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7710 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7712 * i386-protos.h (ix86_memory_move_cost): Move offline.
7713 * i386.c (ix86_register_move_cost): Compute properly cost of
7714 SSE, MMX and i387 instructions.
7715 (*_cost): Add costs of SSE/MMX moves.
7716 (ix86_memory_move_cost): Move offline from ....; Likewise.
7717 * i386.h (MEMORY_MOVE_COST): .... here;
7718 (struct processor costs): Add new fields to represent costs
7721 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7723 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7724 move_cost together with Matt Kraai's fix.
7726 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7728 * Makefile.in (OBJS): Add params.o.
7730 2001-02-14 Richard Henderson <rth@redhat.com>
7731 DJ Delorie <dj@redhat.com>
7733 * jump.c (jump_optimize_1): When we delete a conditional jump
7734 preceeding a non-conditional jump to effectively the same place,
7735 make sure that the combined jump skips any clobber insns between
7738 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7740 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7742 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7744 * Makefile.in (toplev.o): Depend on params.h.
7745 (intergate.o): Likewise.
7746 (params.o): New target.
7747 * flags.h (inline_max_insns): Remove.
7748 * integrate.c: Include params.h.
7749 Use MAX_INLINE_INSNS instead of inline_max_insns.
7750 * params.c: New file.
7751 * params.h: Likewise.
7752 * params.def: Likewise.
7753 * toplev.c: Include params.h.
7754 (lang_independent_params): New variable.
7755 (decode_f_option): Use the param machinery instead of setting
7757 (independent_decode_option): Handle "--param name=value".
7758 (main): Register language-independent parameters.
7760 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7762 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7764 2001-02-14 Richard Henderson <rth@redhat.com>
7766 * regclass.c (init_reg_sets_1): Revert last two changes.
7768 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7770 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7771 (variable_size): Call put_pending_size.
7772 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7773 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7774 sizes list, put newly created SAVE_EXPR there as well.
7776 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7778 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7779 (errata_find_address_regs): load_group has only 2 entries.
7780 (errata_emit_nops): Likewise. shladd is not problematic.
7781 Clear last_group if nop was emitted.
7782 (fixup_errata): load_group has only 2 entries.
7785 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7787 * c-lex.c (lex_number): Only warn traditionally for U suffix
7788 outside system macros.
7789 * cppexp.c (parse_number): Similarly.
7790 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7791 * cppmacro.c (struct cpp_macro): New member node.
7792 (parse_args): Only warn about missing rest args if not
7794 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7795 (cpp_sys_objmacro_p): New.
7796 (_cpp_create_definition): Store the node with the macro defn.
7797 Remember if the macro is defined in a system header.
7799 2001-02-13 DJ Delorie <dj@redhat.com>
7801 * configure.in (check_languages): determine languages to check
7802 * Makefile.in (check-c++): alias for check-g++
7803 (check-f77): alias for check-g77
7804 (CHECK_TARGETS): depend on configured languages
7806 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7808 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7809 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7810 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7811 (sqrtextendsfdf2): Disable for SSE2.
7813 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7815 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7816 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7817 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7818 (sqrtextendsfdf2): Disable for SSE2.
7820 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7822 * i386.md (movsfcc_1): Support integer cmove instruction.
7823 (movdfcc_1): Likewise; new splitter.
7825 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7827 * i386.c (output_fp_compare): Support SSE.
7828 (prepare_fp_compare_args): SSE comparisons always support memory.
7829 * i386.h (TARGET_CMOVE): SSE imply cmove.
7830 * i386.md (cmp?f2): Enable for SSE too.
7831 (cmpfp_i*): Support SSE.
7833 (cmpfp_i_sse_only): New.
7834 (s*, b* fp expanters): Enable for SSE too.
7835 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7838 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7840 * regclass.c (init_reg_sets_1): Silence warning.
7842 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7844 * i386.md (sqrt?f2): Change to expander.
7845 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7847 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7849 * rtlanal.c (find_reg_equal_equiv_note): New function.
7850 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7851 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7852 * rtl.h: Add declarations for above functions.
7854 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7856 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7858 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7859 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7860 * flow.c (mark_regs_live_at_end): Likewise.
7861 (calculate_global_regs_live): Likewise.
7862 * gcse.c (compute_hash_table): Likewise.
7863 (compute_kill_rd): Likewise.
7864 * resource.c (mark_target_live_regs): Likewise.
7865 * rtl.h (INVALID_REGNUM): New macro.
7867 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7869 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7871 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7873 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7876 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7878 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7880 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7881 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7882 (fop_sf_1_sse, fop_df_1_sse): New patterns
7883 (fop_*): Disable float_extend and float patterns for SSE compilation.
7884 * i386.c (output_387_binary_op): Support SSE.
7886 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7888 * i386.md (dummy_extendsfdf2): Support SSE2
7889 (extendsfdf2): Enable if 80387 or SSE2.
7890 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7891 and no MIX_I387_SSE2
7892 (extendsfdf2_1_sse_only): New pattern.
7893 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7895 (truncdfsf2_1): Support SSE.
7896 (truncdfsf2_2): Support SSE.
7897 (truncdfsf2_2_1_sse): New pattern.
7898 (fixtruncsfsi2): Always use SSE if available.
7899 (fix_truncsfsi_sse): New pattern.
7900 (fix_truncdfsi_sse): New pattern.
7901 (floatsis?f2): Support SSE.
7902 (floatsidf2_i387): New pattern.
7903 (floatsidf2_sse): Likewise.
7905 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7907 * configure.in: Use "have_gnat" variable, not "gnat".
7908 * configure: Regenerated.
7910 * config/sparc/sparc.c (function_value): Treat all non-record
7911 aggregate types like used to treat UNION_TYPE.
7913 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7915 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7916 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7918 (MASK_MIX_SSE_I387): New.
7919 (TARGET_SSE): SSE2 imply SSE.
7920 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7921 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7922 (enum reg_class): Add new classes.
7923 (REG_CLASS_NAMES): Likewise.
7924 (REG_CLASS_CONTENTS): Likewise.
7925 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7926 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7927 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7928 (CLASS_MAX_NREGS): Use new macros.
7929 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7930 * i386.md (pushsf, movsf): Support SSE.
7931 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7932 splitters to use ANY_FP_REGNO_P.
7933 (movdf_nointeger, movdf_integer): Likewise.
7935 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7937 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7938 (try_combine): Use it.
7940 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7942 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7943 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7944 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7945 (REGISTER_MOVE_COST): Likewise.
7946 * i386-protos.h (ix86_secondary_memory_needed,
7947 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7948 * i386.c (ix86_secondary_memory_needed,
7949 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7951 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7953 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7954 (HARD_REGNO_MODE_OK): Move offline to ....
7955 * i386.c (ix86_hard_regno_mode_ok) ... here;
7956 refuse all incorrect modes.
7957 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7959 2001-02-13 Richard Henderson <rth@redhat.com>
7961 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7962 entire operator; replicate that and match_dup the operands.
7963 (cmp_ccx_arith_op_set): Likewise.
7964 (cmp_cc_arith_op_not_set): Likewise.
7965 (cmp_ccx_arith_op_not_set): Likewise.
7967 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7969 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7971 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7973 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7974 (TARGET_NO_BITFIELD_WORD): New macro.
7975 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7976 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7978 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7980 * cselib.c: New file, from simplify-rtx.c.
7981 * simplify-rtx.c: Remove cselib parts.
7982 * Makefile.in: Add cselib.o.
7984 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7986 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7987 (setup_incoming_varargs): Remove warning.
7989 * config/rs6000/rs6000.c (validate_condition_mode): When
7990 flag_fast_math, allow floating-point conditionals to be reversed.
7991 (rs6000_generate_compare): When flag_fast_math, don't generate
7992 cror operations for FP conditionals.
7994 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7996 (ASM_SPEC): Likewise.
7997 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7998 (CC1_SPEC): Likewise.
7999 (LINK_TARGET_SPEC): Likewise.
8000 (CPP_ENDIAN_SPEC): Likewise.
8001 * Makefile.in (check-consistency): New target.
8003 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
8005 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
8006 "return type defaults" warning for functions with return type
8008 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
8009 function declarations by default rather than only when pedantic.
8011 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
8013 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
8016 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8018 * extend.texi (Deprecated): Deprecate new initializer lists.
8020 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8022 * mkdeps.c (deps_add_default_target): Robustify. Add
8023 basename component only.
8024 * cpp.texi (-M): Describe how default target is generated.
8025 * invoke.texi (-M): Likewise.
8027 2001-02-12 Kazu Hirata <kazu@hxi.com>
8029 * toplev.c (push_float_handler): Remove.
8030 (pop_float_handler): Remove.
8031 * toplev.h: Remove prototypes for the above functions.
8033 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8035 * c-common.c (constant_fits_type_p): New function.
8036 (convert_and_check): Use it.
8038 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8040 * Makefile.in (GXX_ABI_FLAG): Don't define.
8041 * configure.in (--enable-new-gxx-abi): Remove option.
8042 * config.in: Regenerated.
8043 * configure: Likewise.
8045 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8047 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8049 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8050 regular basic block, and arrange for all edges into it to switch
8053 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8055 * Makefile.in (distclean): Do not remove .gdbinit.
8057 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8059 * Makefile.in (gcc.o): Fix typos.
8060 (protize.o): Likewise.
8061 (unprotoize.o): Likewise.
8063 2001-02-11 Richard Henderson <rth@redhat.com>
8065 * tree.c (build1): Check for null operand in last change.
8067 2001-02-11 Richard Henderson <rth@redhat.com>
8069 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8070 (fold): Don't assume a constant isn't foldable.
8071 * tree.c (build): Set TREE_CONSTANT for an expression with no
8072 side-effects and constant operands.
8075 2001-02-10 Richard Henderson <rth@redhat.com>
8077 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8079 2001-02-10 Anthony Green <green@redhat.com>
8081 * cpp.texi (Standard Predefined): Add documentation for
8084 * c-common.c (combine_strings): Improve warning message.
8086 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8088 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8090 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8092 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8094 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8097 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8099 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8102 2001-02-09 Nick Clifton <nickc@redhat.com>
8104 * config/arm/arm.md: Change output contraint on post inc
8105 load/store multiple patterns to be a read/write contraint.
8107 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8109 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8110 .o files when using the -M options.
8112 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8113 David Edelsohn <edelsohn@gnu.org>
8115 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8116 handle DImode constants. Use one TOC entry for SImode and smaller
8117 constants, aligned properly.
8119 2001-02-08 Jason Merrill <jason@redhat.com>
8121 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8122 about the SP adjustment for saving the static chain pointer.
8123 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8124 offset when setting a temporary CFA register.
8126 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8128 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8129 powerpc-*-chorusos* .
8130 * config/rs6000/chorus.h : New file.
8131 * config/i386/chorus.h : New file.
8132 * config/sparc/chorus.h : New file.
8133 * config/sparc/t-chorus-elf : New file.
8135 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8137 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8138 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8139 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8140 (__WCHAR_TYPE__): Correct macro name.
8142 2001-02-08 Richard Henderson <rth@redhat.com>
8144 * config/i386/i386.c (ix86_frame_pointer_required): New.
8145 (ix86_setup_frame_addresses): New.
8146 (struct machine_funciton): Add accesses_prev_frame.
8147 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8148 ix86_frame_pointer_required.
8149 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8150 (SETUP_FRAME_ADDRESSES): New.
8151 * config/i386/i386-protos.h: Update.
8152 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8153 from FRAME_POINTER_REQUIRED.
8154 * config/i386/svr3gas.h: Likewise.
8155 * config/i386/sysv3.h: Likewise.
8156 * config/i386/v3gas.h: Likewise.
8158 2001-02-08 Richard Henderson <rth@redhat.com>
8160 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8161 calculation of the number of integer registers required.
8162 (function_arg_record_value): Likewise.
8164 2001-02-08 Jason Merrill <jason@redhat.com>
8166 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8167 two. Print file and line with "confused" message.
8169 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8171 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8173 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8175 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8177 * final.c (cleanup_subreg_operands): The address of a MEM can
8180 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8183 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8185 * gcc.texi (Incompatibilities): Update documentation of
8186 preprocessing numbers.
8188 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8190 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8192 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8194 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8196 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8197 * gcc.c (struct compiler): Add cpp_spec field.
8198 (input_file_compiler): New variable.
8199 (do_spec_1): Allow a particular compiler to handle `%C'
8201 (main): Store the current compiler in input_file_compiler.
8202 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8204 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8206 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8207 * cppinit.c (cpp_create_reader): Initialize them.
8208 (append_include_chain): cxx_aware arg might be unused.
8209 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8210 keywords and give them their phase 7 meaning. Pedwarn about
8211 this unless '__bool_true_false_are_defined' is defined.
8213 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8215 * lcm.c (optimize_mode_switching): Emit mode_set before the
8216 JUMP_INSN of an abnormal edge.
8218 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8220 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8221 a scheduling barrier at the end.
8223 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8225 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8227 * config/sh/sh.md (reload_outsf): Removed.
8228 (movsf_ie): Introduce constraints for FPUL loads and stores.
8229 (reload_insf): Broaden the output constraint.
8231 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8233 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8234 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8236 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8238 * final.c: Revert my previous changes.
8239 * output.h: Make profile_label_no extern.
8240 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8241 for generating label.
8243 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8245 * config/i386/djgpp.h: Add comments about standard paths.
8246 (MD_EXEC_PREFIX): Undefine before defining.
8247 (MD_STARTFILE_PREFIX): New.
8249 2001-01-30 Bruce Korb <bkorb@gnu.org>
8251 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8252 (load_file): do not rely on load_file_data() to close file pointer
8253 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8254 fixinc/inclhack.def(irix_limits_const): add test_text
8256 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8258 * cppexp.c (parse_defined): Improve diagnostics for invalid
8261 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8263 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8265 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8267 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8268 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8269 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8270 (rs6000_output_symbol_ref): New function.
8271 (output_toc): Use VTABLE_NAME_P.
8273 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8275 * print-tree.c (print_node, case PARM_DECL):
8276 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8278 * stor-layout.c (reference_types_internal): New variable.
8279 (internal_reference_types): New function.
8280 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8281 * tree.h (internal_reference_types): New declaration.
8283 * cse.c (find_best_addr): Fix typo in computing cost.
8285 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8287 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8288 and this is the sum of a pointer and a constant, we know the result
8290 (num_sign_bit_copies, case PLUS): Likewise.
8291 * explow.c (convert_memory_address): Remove opposite SUBREG.
8292 * function.c (instantiate_new_reg): New function (from common code).
8293 (instantiate_virtual_regs_1): Call it.
8294 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8295 if pointers sign- or zero-extend.
8296 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8297 If pointers extend unsigned, use inside of SUBREG.
8298 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8300 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8302 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8303 subdir of gcc_gxx_include_dir.
8304 (gcc_gxx_target_include_dir): Remove.
8306 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8308 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8309 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8310 a high-level description.
8312 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8314 * final.c: Move the declaration of profile_label_no to ...
8315 * output.h: ... here.
8316 * function.c (expand_function_start): Call PROFILE_HOOK.
8317 * config/rs6000/aix.h: Define PROFILE_HOOK.
8318 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8319 * config/rs6000/rs6000.c (output_profile_hook): Define.
8320 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8321 output_profile_hook.
8322 tm.texi : Explain new macro PROFILE_HOOK.
8324 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8326 * extend.texi (Extended Asm): Do not say that semicolon is always
8327 a valid line-breaking character for GNU assemblers. Use
8328 newline-tab as the most commonly supported syntax. Use
8329 newline-tab rather than semicolon in multi-insn examples.
8331 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8333 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8335 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8336 David Edelsohn <edelsohn@gnu.org>
8338 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8339 code for AIX, even without flag_pic.
8341 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8343 * c-typeck.c (common_type): push and pop binding level around
8344 calling common_type on function parameters.
8346 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8348 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8350 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8352 * config/mips/mips.c (override_options): Fix typo in last change.
8353 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8354 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8356 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8358 * invoke.texi (-fdump-class-layout): Document.
8359 (-fdump-translation-unit): Use `=' as filename separator.
8361 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8363 * Makefile.in (s-mlib): Don't build multilibs if
8365 (DRIVER_DEFINES): Adjust accordingly.
8367 (protoize.o): Likewise.
8368 (unprotoize.o): Likewise.
8369 * configure.in: Recognize --enable-multilib.
8371 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8373 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8375 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8376 * configure.in: Remove --enable-libstdcxx_v3 support.
8377 * configure: Regenerated.
8379 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8381 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8382 Call abort instead of fatal.
8383 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8384 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8385 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8386 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8387 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8388 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8390 * diagnostic.h (set_internal_error_function): Renamed.
8391 * toplev.h (internal_error): Renamed from fatal.
8392 (pfatal_with_name): Deleted.
8393 (fatal_io_error): Now has printf-style arguments.
8394 * diagnostic.c (pfatal_with_name): Deleted.
8395 (fatal_io_error): Rework to have args in printf-style.
8396 (set_internal_error_function): Renamed from set_fatal_function.
8397 (internal_error): Renamed from fatal.
8398 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8399 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8400 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8401 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8402 * flow.c (verify_flow_info): Likewise.
8403 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8404 * config/mips/mips.c (save_restore_insns): Likewise.
8406 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8407 * flow.c (verify_flow_info): Likewise.
8408 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8409 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8410 (avr_normalize_condition): Likewise.
8411 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8412 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8413 (limit_reload_class, double_reg_to_memory): Likewise.
8414 (print_operand_address, emit_1600_code_shift): Likewise.
8415 (gen_tst_reg, gen_compare_reg): Likewise.
8416 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8417 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8419 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8421 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8422 * objc/objc-act.c (build_ivar_chain): Likewise.
8423 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8425 * graph.c (clean_graph_dump_file): Likewise.
8426 * profile.c (init_branch_prob): Likewise.
8427 * objc/objc-act.c (objc_init): Likewise.
8429 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8430 * config/avr/avr.c (avr_override_options): Likewise.
8431 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8432 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8433 * config/h8300/h8300.c (h8300_init_once): Likewise.
8434 * config/mips/mips.c (override_options): Likewise.
8435 * config/i386/i386.c (override_options): Likewise, rework.
8436 * config/m68k/m68k.c (override_options): Likewise.
8438 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8440 * config/mips/mips.c (print_operand): Likewise.
8441 * hash.c (hash_allocate): Don't check for failure returns from
8442 obstack functions that can't fail.
8443 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8444 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8445 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8446 (get_object_reference): Likewise.
8448 2001-02-04 Nick Clifton <nickc@redhat.com>
8450 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8451 StrongARM1110, 10TDMI, and 1020T.
8453 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8455 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8457 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8459 * config/sh/sh.md (movdf load split): Pass register number to
8460 FP_OR_XD_REGISTER_P.
8462 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8464 * cppinit.c (BC): New macro.
8465 (builtin_array): Add __GXX_WEAK__.
8466 * cpplib.h (builtin_type): Add BT_WEAK.
8467 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8468 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8469 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8471 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8473 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8475 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8477 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8478 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8480 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8482 * cpphash.h: Rename ALIGN _ALIGN.
8483 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8485 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8487 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8488 compilation environment.
8489 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8490 control over location of cygwin includes and libs.
8492 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8494 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8496 2001-02-02 lars brinkhoff <lars@nocrew.org>
8498 * md.texi (Standard Names): remove reference to spur.md.
8500 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8502 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8503 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8504 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8505 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8506 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8508 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8510 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8511 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8512 number before reload.
8513 (c4x_adjust_cost): Return zero before reload.
8514 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8515 split before reload.
8517 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8519 * c4x.c (c4x_hard_regno_rename_ok): New.
8520 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8521 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8523 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8525 * diagnostic.h: Add missing "extern" in all declarations.
8527 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8529 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8530 as for gcc_gxx_include_dir.
8532 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8534 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8536 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8538 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8539 label before alignment to be used as the braf base address.
8540 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8542 (casesi_jump_2): Require at least TARGET_SH2.
8544 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8545 truncation to 32-bit doubles on -m3e and -m4-single-only.
8547 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8549 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8550 the default when building a shared object.
8551 (init_spec): Use it.
8552 * testsuite/lib/g++.exp: Include the directory where libgcc
8553 is located to the LD_LIBRARY_PATH list.
8554 * invoke.texi (-shared-libgcc): Document the cases in which
8555 GCC defaults to using the shared libgcc.
8557 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8559 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8560 unsigned is wide enough.
8562 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8563 (si_to_float): Likewise.
8564 (float_to_si, float_to_usi): Use BITS_PER_SI.
8566 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8568 * dwarf2out.c: Added explanation of abbreviations.
8569 (def_cfa_1): Added comments listing DWARF2 instructions.
8570 (cfa_temp_reg): Removed in favor of cfa_temp.
8571 (cfa_temp_value): Removed in favor of cfa_temp.
8572 (cfa_temp): New global variable.
8573 (dwarf2out_frame_debug_expr): Added extensive introductory
8574 comments explaining the function's transformations. Revised to
8575 use cfa_temp. Added some rtx checking. Generalize IOR case.
8576 (dwarf2out_frame_debug): Revised to use cfa_temp.
8577 (output_aranges): Cast as "unsigned" to avoid warning.
8578 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8579 explain which instructions must be marked.
8581 2001-02-01 Richard Henderson <rth@redhat.com>
8583 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8586 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8588 * config/sh/crt1.asm (main_k): Modified so that start calls
8589 ___setup_argv_and_call_main.
8591 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8593 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8594 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8595 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8596 * cppmacro.c (builtin_macro): Set builtin flags here.
8597 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8598 (replace_args): Clarify intent.
8599 (cpp_get_token): Macro expansion tokens get the saved flags.
8601 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8604 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8606 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8609 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8611 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8612 returns Pmode pseudo, but we need ptr_mode.
8613 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8614 Remove bogus conversions; use HOST_WIDE_INT for size.
8615 Don't use TARGET if wrong mode.
8617 * config/i386/i386.c (ix86_compute_frame_size): Allow
8618 stack_alignment_needed to be non-default even if size is zero.
8620 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8622 * pa.c (hppa_init_pic_save): New function.
8623 * pa.h (hppa_init_pic_save): Declare.
8624 * pa.md (call, call_value, sibcall, sibcall_value): Use
8625 the above instead of duplicated code.
8627 * pa.c (hppa_encode_label): Correct size of alloca buffer
8628 so we don't overrun it. Correct leading `*' case.
8629 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8630 need to handle `*@'.
8631 (FUNCTION_NAME_P): Likewise.
8633 2001-01-31 Richard Henderson <rth@redhat.com>
8635 * config.gcc (alpha-osf5): Use float-i128.h.
8637 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8638 * config/float-i32.h: Likewise.
8639 * config/float-i64.h: Likewise.
8640 * config/float-sh.h: Likewise.
8641 * config/float-sparc.h: Likewise.
8643 2001-01-31 DJ Delorie <dj@redhat.com>
8645 * expmed.c (extract_bit_field): allow non-integral modes if we
8646 want to extract a whole register from itself.
8648 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8650 * c-typeck.c (set_init_index): If first is equal to last, assume as
8651 if it was not a range at all.
8653 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8655 * config/fp-bit.c: Include tm.h.
8656 (float_to_si): Don't assume SImode is 32-bits wide.
8657 (float_to_usi): Likewise.
8659 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8661 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8663 (typename): Call pending_xref_error after parsing typed_typespecs.
8664 * c-decl.c (lookup_tag): Give error immediately rather than
8665 leaving it pending if the tag of the wrong type is in the same
8667 (xref_tag): Don't pedwarn for forward declarations of enum types
8669 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8672 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8674 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8676 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8678 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8679 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8681 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8683 * cpphash.h (struct cpp_reader): New saved_flags.
8684 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8685 to avoid a paste after a pasted token.
8687 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8689 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8690 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8691 Wtype_MIN instead of LONG_MIN.
8693 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8695 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8697 * fixinc/fixincl.x: Regenerated.
8698 * fixinc/inclhack.def (irix_limits_const): New definition to
8699 convert "const" to "__const" in limits.h.
8701 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8703 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8705 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8707 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8708 when register dies in the insn.
8710 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8712 * diagnostic.c (fatal): Fix word wrap.
8714 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8716 * combine.c (try_combine): Fix SUBREG setting for
8717 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8719 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8721 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8724 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8726 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8728 * toplev.c (decode_W_option): Update warn_larger_than
8729 unconditionally for each processed switch.
8731 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8733 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8735 (hppa_expand_prologue): Delete code to save pic offset table register
8736 in the function prologue.
8737 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8738 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8739 table register at the beginning of the function after the prologue.
8741 2001-01-29 lars brinkhoff <lars@nocrew.org>
8743 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8745 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8746 Jeff Law <law@redhat.com>
8748 * pa.md (return): Revise comment for trivial return.
8749 (return_internal): Non-trivial return pattern for non-PIC code.
8750 (return_internal_pic): Non-trivial return pattern for PIC code.
8751 It uses the PIC register to ensure it is restored after
8753 (epilogue): Generate appropriate return for PIC and non-PIC code.
8755 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8757 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8759 2001-01-29 DJ Delorie <dj@redhat.com>
8761 * combine.c (if_then_else_cond): Pass the correct mode to
8762 operand_subword() for constants.
8764 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8766 * config/i386/cygwin.h: Add w32api to include search. Search different
8767 directories in a cross-build environment.
8769 2001-11-29 Tim Josling <tej@melbpc.org.au>
8771 * tree.h (TYPE_STUB_DECL): Add documentation.
8773 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8775 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8776 (sdbout_field_types): Likwise. Fix use of host_integerp.
8778 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8780 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8783 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8785 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8786 to use flag_gnu_linker.
8788 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8790 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8791 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8793 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8795 * tree.c, tree.h (build_parse_node): Remove; was identical to
8797 * c-lang.c (start_cdtor), objc/objc-act.c
8798 (build_module_descriptor): Use build_nt instead of
8801 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8803 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8804 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8805 not have any upper bits set.
8807 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8809 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8811 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8813 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8815 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8817 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8818 (integer_minus_one_node): Define.
8820 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8822 * Makefile.in (bootstrap2-lean): Fix typo.
8824 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8826 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8827 : Don't set fe_value.
8828 * cpplib.h (AVOID_LPASTE): New flag.
8829 (struct cpp_hashnode): Remove fe_value.
8830 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8831 * cppmacro.c (builtin_macro): Don't set flags here.
8832 (replace_args): Set AVOID_LPASTE flag on first token of an
8833 argument, and the token following it.
8834 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8835 macro expansion, and on the token following it. Do it for
8837 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8839 2001-01-27 Richard Henderson <rth@redhat.com>
8841 * config/alpha/t-ieee: Remove multilibbing.
8842 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8844 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8846 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8848 * Makefile.in: Remove all dependencies on defaults.h.
8849 * builtins.c: Don't include defaults.h.
8850 * c-common.c: Likewise.
8851 * c-decl.c: Likewise.
8852 * c-pragma.c: Likewise.
8853 * c-typeck.c: Likewise.
8854 * combine.c: Likewise.
8856 * frame-ia64.c: Likewise.
8857 * cppexp.c: Likewise.
8858 * crtstuff.c: Likewise.
8859 * dbxout.c: Likewise.
8860 * dwarf2out.c: Likewise.
8861 * dwarfout.c: Likewise.
8862 * emit-rtl.c: Likewise.
8863 * except.c: Likewise.
8865 * final.c: Likewise.
8866 * frame-dwarf2.c: Likewise.
8867 * libgcc2.c: Likewise.
8868 * optabs.c: Likewise.
8869 * profile.c: Likewise.
8870 * sdbout.c: Likewise.
8871 * toplev.c: Likewise.
8872 * tradcif.y: Likewise.
8874 * varasm.c: Likewise.
8876 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8878 * builtins.c (expand_builtin_fputs): Use size_one_node when
8879 transforming into fwrite.
8881 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8883 * extend.texi (Attribute Syntax): New section.
8885 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8887 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8888 they didn't need fixing.
8890 2001-01-27 Janis Johnson <janis@us.ibm.com>
8892 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8894 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8895 to remove macro definitions that are duplicated from elfos.h.
8897 2001-01-27 Richard Henderson <rth@redhat.com>
8899 * config/i386/sco5gas.h: Move ...
8900 * config/usegas.h: ... here.
8901 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8903 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8905 * c-typeck.c (struct constructor_stack): Add range_stack member.
8906 (really_start_incremental_init): Clear it.
8907 (push_init_level): Save constructor_range_stack and clear it if
8908 pushing explicit braces.
8909 (pop_init_level): abort if constructor_range_stack is non-zero at
8910 explicit closing brace. Restore saved constructor_range_stack if
8913 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8915 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8916 into register was forced into memory.
8918 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8920 * Makefile.in: Remove uses of + before $(MAKE).
8922 2001-01-26 Richard Henderson <rth@redhat.com>
8924 * stmt.c (cost_table): Remove.
8925 (COST_TABLE, cost_table_initialized): New.
8926 (estimate_case_costs): Use the later instead of the former.
8927 (balance_case_nodes): Likewise.
8929 2001-01-26 Richard Henderson <rth@redhat.com>
8931 * alias.c (objects_must_conflict_p): Read-only slots may not
8932 conflict despite having the same type.
8934 2001-01-27 Michael Hayes <mhayes@redhat.com>
8936 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8938 (check_ext_dependant_givs): Initialise u_start_val and
8940 (load_mems): Make last_max_reg unsigned.
8941 (try_swap_copy_prop): Use INSN_P and initialise set.
8943 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8945 * README.AVR : Removed.
8947 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8949 * pa-64.h (text_section): Remove declaration.
8951 * pa.md (return_internal): Remove mode on PIC register use.
8953 2001-01-25 lars brinkhoff <lars@nocrew.org>
8955 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8956 ASM_CLOSE_PAREN): fix typos.
8958 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8960 * acconfig.h: Define `const' to the empty string if neither
8961 __STDC__ nor __cplusplus is defined.
8962 * config.in: Regenerated.
8964 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8966 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8967 * collect2.c (main): Delete importf. Add ".obj" file extension.
8968 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8969 (aix_std_libs): Add additional AIX libraries to skip.
8970 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8971 * config/rs6000/aix51.h: New file.
8973 2001-01-25 Michael Hayes <mhayes@redhat.com>
8975 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8976 (loop_insn_emit_before): No longer static.
8977 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8978 (loop_givs_rescan, load_mems): Likewise.
8979 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8980 (maybe_eliminate_biv_1):
8981 (move_movables): Replace emit_call_insn_before with
8982 loop_call_insn_hoist.
8983 * loop.h (loop_insn_emit_before): Add.
8984 * unroll.c (copy_loop_body): Replace emit_insn_before with
8985 loop_insn_emit_before.
8987 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8989 * diagnostic.c (fatal): Request preprocessed source.
8991 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8993 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8994 olddecl has argument types and newdecl has none, use the argument
8997 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8999 * dwarf2out.c (prefix_of): New function. Determine longest common
9000 prefix of the two arguments. The units are whole path components.
9001 (output_file_names): When adding a new directory find the one entry
9002 with the longest common prefix already in the list. Artificially
9003 generate entry if there is none for this prefix.
9004 Fix test to check whether the zeroth directory entry is used.
9006 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
9008 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
9009 Changed all callers. Take it into account when deciding if a
9010 previously loaded value matches.
9012 2001-01-24 Richard Henderson <rth@redhat.com>
9014 * reload.c (find_reloads_subreg_address): Fail the substitution
9015 if the resulting address is insufficiently aligned.
9017 2001-01-24 DJ Delorie <dj@redhat.com>
9019 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
9020 check the original operand's mode also.
9021 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9023 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9025 * c-parse.in (cast_expr): Move compound literals from here ...
9026 (primary): ... to here. Use standard terminology "compound
9027 literal" instead of "constructor expression".
9029 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9031 * gcc.1, cpp.1: Regenerate.
9033 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9035 * calls.c (emit_library_call_value_1): Memory slot for
9036 pass-by-reference argument should have the mode of the argument,
9037 not of the pointer to it.
9039 2001-01-24 Tom Tromey <tromey@redhat.com>
9041 * gcc.texi (G++ and GCC): Mention gcj manual.
9042 (Standards): Link to section of manual mentioning gcj/Java
9045 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9047 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9048 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9049 * tradcpp.c (main): Add -imacros or -include'd dependencies
9051 * cpp.texi (-M, -MM): Document -M -include behaviour.
9053 2001-01-24 Roger Collins <roger@ProProject.com>
9055 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9057 2001-01-24 Will Cohen <wcohen@redhat.com>
9059 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9060 whether registers are 32 bits or 64 bits in size.
9062 2001-01-24 Ben Elliston <bje@redhat.com>
9064 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9066 2001-01-24 Richard Henderson <rth@redhat.com>
9068 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9069 (builtin_longjmp): Use it instead of emit_indirect_jump.
9071 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9073 * bb-reorder.c (make_reorder_chain_1): Handle case where
9074 jump edge goes to the same block as the fallthru edge.
9076 2001-01-23 Jim Wilson <wilson@redhat.com>
9078 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9079 * frame.h (__ia64_personality_v1): Add prototype.
9080 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9081 prototype form. Add void * cast to first argument to personality
9083 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9084 (asctoe113): Likewise.
9085 * config/ia64/frame-ia64.c: Include eh-common.h.
9086 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9088 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9090 (itanium_split_issue): Add prototype.
9091 (gen_nop_type): Ifdef out.
9092 (find_best_packet): Initialize best_packet.
9093 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9095 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9096 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9097 (flushrs): Add explicit stop bit at end.
9098 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9101 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9103 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9105 * libgcc2.c (__terminate_func): Make variable static.
9106 (__terminate_set_func): New function to set __terminate_func.
9107 * libgcc2.h (__terminate_func_ptr): New typedef.
9108 (__terminate_set_func): New function.
9110 2001-01-23 Richard Henderson <rth@redhat.com>
9112 * flow.c (init_propagate_block_info): Don't consider unchanging
9113 memories for dead frame store elimination.
9115 2001-01-23 Richard Henderson <rth@redhat.com>
9117 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9118 * defaults.h: ... here.
9120 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9122 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9124 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9126 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9128 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9130 * rs6000.h (rs6000_return_addr): Move prototype from here...
9131 * rs6000-protos.h (rs6000_return_addr): ...to here.
9132 (rs6000_init_expanders): Delete prototype.
9134 2001-01-23 Nick Clifton <nickc@redhat.com>
9136 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9137 (Spec Files): Document %B and %j and %. and %v3 and %M and
9138 %{S*&T} spec switches.
9140 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9142 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9144 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9145 Neil Booth <neil@daikokuya.demon.co.uk>
9147 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9148 Have -Werror make pedantic warnings errors, like the
9151 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9153 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9155 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9157 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9158 * integrate.c (expand_inline_function): Initialize them.
9159 (subst_constants): If changing COMPARE so that both its arguments
9160 will be VOIDmode and the comparison mode will be lost, note
9161 compare_mode. Use the recorded compare_mode to optimize
9164 2001-01-23 Jason Merrill <jason@redhat.com>
9166 * dwarf2out.c (new_die): Use xcalloc.
9167 (output_die): Abort rather than emit a local reference to offset 0.
9169 2001-01-17 Andrew Haley <aph@redhat.com>
9171 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9172 of a saved register; return NULL instead.
9173 (copy_reg): Take a pointer to a source register rather than a
9175 (next_stack_level): Remember the address in the stack frame of all
9177 Use the saved register pointer array as the source of the CFA.
9178 (throw_helper): Rewrite. Unwind once rather than twice and keep
9179 track of saved registers as we go.
9181 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9183 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9184 * c4x.c (c4x_legitimize_reload_address): Remove.
9185 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9186 reload address for ldp(k) insn.
9188 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9190 * pa.md (return_internal): Add a USE of the PIC register to ensure
9191 it is restored after each call.
9192 (return expander): Corresponding changes.
9194 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9196 * rs6000.h (INIT_EXPANDERS): Delete.
9197 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9198 * rs6000.c (rs6000_override_options): Call *_machine_status from
9200 (rs6000_init_expanders): ...instead of here. Delete.
9201 (rs6000_mark_machine_status): New function.
9202 (rs6000_init_machine_status): Use xcalloc.
9203 (rs6000_return_addr): Generate RTX for the return address.
9204 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9205 (rs6000_stack_info): Use it.
9207 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9209 * gthr-win32.h: Include errno.h to get a declaration for
9210 EINVAL and _mingw.h if the target is mingw32.
9212 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9214 * cpp.texi: Correct typos.
9216 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9218 * explow.c (probe_stack_range): Ensure value passed to
9219 stack_check_libfunc is ptr_mode, not Pmode.
9221 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9223 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9224 case, don't use operand_subword to calculate a SUBREG that is
9227 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9229 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9231 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9232 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9233 valid. If not replace it by equivalent insns.
9235 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9237 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9238 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9239 (c4x_U_constraint, symbolic_address_operand): Likewise.
9240 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9242 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9243 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9244 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9245 anulling slot because of silicon bug.
9246 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9248 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9250 * cppexp.c (parse_charconst): Change `mask' type to agree
9253 2001-01-21 Richard Henderson <rth@redhat.com>
9255 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9256 pic_label_name in a linkonce section.
9258 2001-01-17 Philipp Thomas <pthomas@suse.de>
9260 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9262 * configure: Regenerate.
9264 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9266 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9267 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9269 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9271 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9272 If REVERSE nonzero then condition code in X must be reversed.
9273 (encode_section_info): Optimise if/else.
9274 (avr_function_value): Fix formatting.
9276 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9277 (difficult_branch): Likewise.
9278 (rvbranch): Likewise.
9279 (difficult_rvbranch): Likewise.
9281 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9283 * config/avr/libgcc.S: Fix comment.
9285 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9287 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9289 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9291 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9293 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9295 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9296 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9297 * configure, config.in: Regenerate.
9298 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9299 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9300 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9301 (doprint.o): New rule.
9303 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9305 * c-typeck.c (digest_init): Handle boolean types as scalars.
9307 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9309 * stmt.c (expand_return): Don't return anything if size is zero.
9310 Delete redundant assignment to BYTES.
9311 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9313 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9315 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9316 the same as the default library function names.
9317 * config/avr/avr.md: Document special characters after '%'.
9318 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9319 knowing which of the call-used registers are really clobbered.
9320 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9321 New. Both quotient and remainder from one libgcc.S call.
9322 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9323 clobber as few registers as possible.
9324 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9326 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9328 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9329 context of the top of the stack.
9331 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9333 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9334 (fixup_var_refs_insns): ...here.
9336 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9338 * function.c (fixup_var_refs_insns): Break up into
9339 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9340 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9341 [loop over hash table entries].
9342 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9343 fixup_var_refs_insns_with_hash, to match above changes.
9345 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9347 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9348 (libgcc.a): Likewise.
9349 (stmp-multilib): Likewise.
9350 (STAGE2_FLAGS_TO_PASS): Likewise.
9352 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9354 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9355 temporary if no_new_pseudos.
9357 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9359 * cppinternals.texi: Update.
9361 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9363 * arm.c (arm_init_builtins): Re-enable builtins.
9365 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9367 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9368 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9369 element to be null, and always expect an EXPR_LIST.
9370 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9371 * sched-deps.c (sched_analyze_1): Likewise.
9372 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9374 * regclass.c (max_set_parallel): New variable.
9375 (reg_scan): Take it into account in computation of max_parallel.
9376 (reg_scan_mark_refs, case SET): Compute it.
9378 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9380 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9381 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9383 2001-01-19 Jason Merrill <jason@redhat.com>
9385 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9386 for the abstract instance of an inline function.
9388 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9389 J"orn Rennecke <amylaar@redhat.com>
9391 * reload1.c (move2add_note_store): Treat all registers directly or
9392 indirectly derived from a base register as members of the same set
9394 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9395 of base register into account.
9397 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9399 * alias.c (find_base_value): Recognize TRUNCATE.
9400 (record_set): In PLUS case, invalidate if other summand is also a
9403 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9405 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9406 entry to be EXPR_LIST.
9407 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9408 be an EXPR_LIST (but not null, which other code doesn't allow).
9409 (note_stores): Properly handle PARALLEL in SET.
9410 Recursively call for top-level PARALLEL.
9411 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9412 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9414 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9416 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9418 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9419 not pfile->skipping (== 0).
9421 2001-01-17 Nick Clifton <nickc@redhat.com>
9423 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9426 2001-01-17 Jim Wilson <wilson@redhat.com>
9428 * invoke.texi (IA-64 options): Improve.
9430 2001-01-17 Tom Tromey <tromey@redhat.com>
9432 * invoke.texi (Optimize Options): Use `{}' to around @samp
9435 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9437 * invoke.texi (-fno-guess-branch-probability): New option.
9439 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9441 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9442 case of making new double-word constant.
9443 Revert last change: instead just test i3_subst_into_i2.
9445 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9447 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9448 Use q constraints instead of r.
9450 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9452 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9453 (machine_function): Define.
9454 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9455 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9456 pa_free_machine_status): New functions.
9457 (override_options): Set {init,mark,free}_machine_status to above.
9458 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9459 PIC_OFFSET_TABLE_REGNUM_SAVED.
9460 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9461 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9462 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9463 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9464 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9466 2001-01-15 DJ Delorie <dj@redhat.com>
9468 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9472 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9474 * flow.c (propagate_on_insn): Make trying to delete a prologue
9475 or epilogue insn an ICE, not a warning. Allow doing this if
9476 the current function returns with stack pointer depressed.
9478 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9479 I3 having more than one SET.
9481 2001-01-16 Jim Wilson <wilson@redhat.com>
9483 * invoke.texi: Document IA-64 options.
9485 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9486 (fixup_errata): Delete TARGET_A_STEP use.
9487 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9488 (TARGET_SWITCHES): Delete -ma-step option.
9489 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9490 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9491 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9492 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9493 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9494 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9496 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9497 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9498 cmovsi_internal): Delete ! TARGET_A_STEP check.
9500 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9502 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9503 possibility to report bugs via postal mail. Change a URL and
9504 merge in a nearly duplicate statement...
9505 (Bug Reporting): ...from here.
9506 (Service): Refer to the Bug Reporting section instead of
9508 (Contributing): Remove trivial explanations concerning snapshots.
9510 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9512 * cppmain.c (general_init): Don't use ANSI prototype.
9514 2001-01-16 Tom Tromey <tromey@redhat.com>
9516 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9518 2001-01-16 Richard Henderson <rth@redhat.com>
9520 * config/i386/i386.h: Fix comment typo.
9521 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9522 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9524 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9526 * gcc.c: Revert previous -fsyntax-only-related change; move
9529 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9531 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9532 inmode after checking GET_CODE (op).
9534 2001-01-16 Richard Henderson <rth@redhat.com>
9536 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9537 (MAX_MEM_SET_LIST_LEN): New.
9538 (propagate_one_insn): Update mem_set_list_len.
9539 (invalidate_mems_from_autoinc): Likewise.
9540 (invalidate_mems_from_set): Likewise.
9541 (mark_used_regs): Likewise.
9542 (init_propagate_block_info): Likewise. Stop collecting memories
9543 when we reach MAX_MEM_SET_LIST_LEN.
9544 (mark_set_1): Likewise.
9546 2001-01-16 Richard Henderson <rth@redhat.com>
9548 * unroll.c (precondition_loop_p): Fail if no iteration
9551 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9553 * gcc.c: When -fsyntax-only is given, do not complain about
9556 2001-01-15 Richard Henderson <rth@redhat.com>
9558 * config/i386/i386.c (asm_output_function_prefix): Remove.
9559 (ix86_asm_file_end): New.
9560 (load_pic_register): Generate pic_label_name into a
9561 staticly allocated buffer.
9562 * config/i386/i386-protos.h: Update.
9563 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9564 (ASM_FILE_END): New.
9565 * config/i386/i386afe.h: New file.
9566 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9567 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9568 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9569 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9570 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9571 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9572 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9574 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9576 * Makefile.in (install-man): Remove explicit dependency on
9579 * configure.in, configure: Revert previous patch requiring perl
9582 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9584 * toplev.c (flag_guess_branch_prob): New.
9585 (f_options): Add guess-branch-probability option.
9586 (rest_of_decl_compilation): Only estimate branch probability if
9588 (main): set flag_guess_branch_prob.
9590 * flags.h (flag_guess_branch_prob): New.
9592 2001-01-15 DJ Delorie <dj@redhat.com>
9594 * gcc.texi (Makefile): Add documentation for Makefile targets.
9596 2001-01-15 Philip Blundell <philb@gnu.org>
9598 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9600 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9601 (is_pic): Delete declaration.
9602 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9603 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9604 * config/arm/arm.md (builtin_setjmp_receiver): New.
9606 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9608 * arm.c (use_return_insn): Don't try to determine the function type
9609 until after reload has completed.
9610 (arm_output_epilogue): Don't adjust the sp value recovered from the
9612 (emit_multi_reg_push): Don't record dwarf information for the pc.
9613 * arm.md (eh_epilogue): The function type may have changed, so it
9614 needs to be recalculated.
9615 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9616 unwind tables on arm/netbsd.
9618 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9620 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9621 (negated_cbranchsi4): Likewise.
9623 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9625 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9626 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9627 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9628 pass -mapcs-* options to assembler.
9629 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9630 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9631 (ASM_SPEC): Call subtarget_extra_asm_spec.
9633 2001-01-15 Andreas Jaeger <aj@suse.de>
9635 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9637 (ix86_expand_builtin): Likewise.
9639 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9640 warning about comparison between signed and unsigned.
9642 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9644 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9646 2001-01-14 Ralf Baechle <ralf@gnu.org>
9648 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9649 SUBTARGET_CPP_SPEC apropriatly.
9651 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9653 * varasm.c (make_decl_rtl): Fix typo in last change.
9655 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9657 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9658 linker supports the init_priority C++ attribute.
9659 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9660 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9661 linker does not support init_priority C++ attribute.
9663 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9665 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9667 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9669 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9670 * cp/lex.c (finish_parse): Similarly.
9671 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9672 Return the number of errors encountered.
9673 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9674 * cppmain.c (main): Don't call cpp_destroy.
9676 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9678 * configure.in: Require at least perl 5.6.0 to regenerate
9680 * configure: Regenerate.
9682 2001-01-14 Richard Henderson <rth@redhat.com>
9684 * genrecog.c (DT_veclen_ge): New.
9685 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9686 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9687 (nodes_identical_1): Handle DT_veclen_ge.
9688 (write_cond, debug_decision_2): Likewise.
9690 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9692 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9694 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9696 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9698 * cppmain.c (do_preprocessing): New function; most of the old
9700 (main): Call it to do most of the work.
9701 (cb): Move from global scope to set_callbacks ().
9702 (setup_callbacks): Get the callback pointer.
9703 (general_init, printer_init): Clean up code and comments.
9705 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9707 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9710 2001-01-14 Kazu Hirata <kazu@hxi.com>
9712 * config/h8300/h8300.c (get_shift_alg): Update comments.
9714 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9716 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9717 (alloc_page, ggc_alloc): Add casts to remove warnings.
9719 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9721 * combine.c (simplify_comparison): Don't change `code' when
9722 can't reverse comparison.
9724 2001-01-14 Richard Henderson <rth@redhat.com>
9726 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9727 update all call sites. Return true for all non-label constants.
9729 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9731 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9733 (ix86_expand_branch): Update.
9734 (ix86_expand_setcc): Update to handle multiple test conditions.
9735 (expand_int_movcc): Likewise.
9736 (expand_fp_movcc): Likewise.
9737 * i386-protos.h (ix86_expand_compare): New.
9738 * i386.md (andqi_?_slp, orqi_?_slp): New.
9739 (conditional trap expander): Update call to ix86_expand_compare.
9741 2001-01-14 Richard Henderson <rth@redhat.com>
9743 * config/vax/vax.md: Use nonimmediate_operand instead of
9744 general_operand in destinations.
9746 * config/vax/vax.md (indirect_jump): Use register_operand.
9748 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9749 * config/vax/vax.md (call_pop): Turn into an expander.
9750 (call_value_pop): Likewise.
9751 (call, call_value): New.
9753 2001-01-14 Andreas Jaeger <aj@suse.de>
9755 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9757 (ix86_fp_compare_mode): Add unused attribute.
9758 (ix86_expand_fp_movcc): Remove unused variable.
9759 (ix86_expand_builtin): Make fcode unsigned.
9761 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9762 (expand_expr): Add cast to avoid signed warning.
9763 (store_field): Likewise.
9764 (store_constructor_field): Likewise.
9765 (store_constructor): Likewise.
9766 (store_expr): Likewise.
9767 (clear_storage): Likewise.
9768 (emit_group_store): Likewise.
9769 (emit_group_load): Likewise.
9771 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9773 * c-common.c: Move format checking code to ...
9774 * c-format.c: ... here. New file. Reorder some functions and
9776 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9778 * c-common.h (decl_handle_format_attribute,
9779 decl_handle_format_arg_attribute): Declare.
9780 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9781 (c-common.o): Adjust dependencies.
9782 (c-format.o): New list of dependencies.
9784 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9786 * unroll.c (loop_iterations): If we cannot prove iteration variable
9787 is set once in each iteration, punt.
9789 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9791 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9792 (*strlenhi): Remove clobber (which was buggy) of output address.
9794 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9796 * Makefile.in (generated-manpages): Add gcc.1
9797 ($(srcdir)/gcc.1): New target.
9798 (maintainer-clean): Delete $(srcdir)/gcc.1.
9799 * gcc.texi: Add macros @gccoptlist and @gol.
9800 * invoke.texi: Include option summary in manpage. Mark up option
9801 summary with @gccoptlist and @gol. Use @r in one place where
9803 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9804 * gcc.1: Generate from invoke.texi.
9806 2001-01-13 Richard Henderson <rth@redhat.com>
9808 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9809 (struct page_entry): Add group member.
9810 (struct page_group): New.
9811 (struct globals): Add page_groups member.
9812 (alloc_anon): Only define for using mmap; remove valloc call.
9813 (page_group_index): New.
9814 (set_page_group_in_use): New.
9815 (clear_page_group_in_use): New.
9816 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9817 (free_page, release_pages): Likewise.
9818 * configure.in (with-gc): Default to ggc-page always.
9820 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9822 * reload1.c (replace_pseudos_in_call_usage): Use
9823 reg_equiv_constant and reg_equiv_address, and don't try
9824 regno_reg_rtx first.
9826 2001-01-13 Richard Henderson <rth@redhat.com>
9828 * ggc-page.c (alloc_page): Round up allocation size to one page.
9829 Set e->order on extra pages.
9831 2001-01-13 Richard Henderson <rth@redhat.com>
9833 * genrecog.c (nodes_identical): Expand commentary.
9834 (write_switch): Watch out for identical nodes.
9836 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9838 * cppfiles.c (_cpp_fake_include): New function.
9839 * cpphash.h (_cpp_fake_include): New.
9840 * cpplib.c (do_line): Call _cpp_fake_include when entering
9841 header files in preprocessed input.
9842 * cppmain.c (cb_pragma_implementation): Remove handling.
9843 (setup_callbacks): Don't register pragmas.
9845 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9847 * extend.texi: Udate for CPP.
9849 2001-01-13 Andreas Jaeger <aj@suse.de>
9851 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9853 * regmove.c: Add prototype for replace_in_call_usage.
9855 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9857 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9858 struct cpp_chunk, struct htab, struct toklist,
9859 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9860 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9861 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9862 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9863 (struct macro_args): Delete.
9864 * cpphash.h: See above.
9866 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9868 * cppmain.c (struct printer): Remove no_line_dirs.
9870 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9871 : Use options rather than CPP_OPTION.
9872 (setup_callbacks): Use cb rather than pfile->cb.
9873 (main): No need to check for a buffer. Use cpp_errors.
9874 (printer_init): Don't set no_line_dirs.
9875 (maybe_print_line): Use options not no_line_dirs.
9876 (cb_file_change): Don't call print_line if -P.
9878 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9880 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9882 * c-parse.in (finish_parse): Use cpp_errors.
9883 (__yylex): Use return value of cpp_pop_buffer.
9884 * cp/lex.c (finish_parse): Use cpp_errors.
9885 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9887 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9889 * README.AVR: URLs corrected.
9891 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9893 * c-decl.c (start_function): Don't warn if old prototype is builtin
9894 that's not in C's namespace.
9895 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9896 (_bb): Add prototype for ctime.
9897 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9899 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9901 * i386.c (ix86_fp_comparison_arithmetics_cost,
9902 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9903 ix86_fp_comparison_cost): New functions.
9904 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9905 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9906 two-branch sequences; make static.
9907 (ix86_use_fcomi_compare): Do decision according to the costs.
9908 (split_fp_branch): New.
9909 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9910 * i386-protos.h (ix86_expand_fp_compare): Remove
9911 (ix86_split_fp_branch): Declare.
9913 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9914 and ix86_comparison_operator.
9916 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9919 * i386.c (put_condition_code): Output properly the unordered/ordered
9920 compares in fp case.
9921 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9923 * tm.texi (REVERSE_CONDITION): Document.
9924 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9925 in -ffast-math mode.
9926 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9928 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9930 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9932 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9935 * config/sh/sh.c (mova_p): Fix test for mova_const.
9937 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9939 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9940 cpp_get_options rather than dereferencing pfile and using
9942 * scan-decls.c (scan_decls): Use return value of
9943 cpp_pop_buffer rather than CPP_BUFFER.
9945 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9947 * cppinit.c (cpp_handle_option): help_only is now part of the
9948 cpp_options structure.
9949 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9950 cpp_set_callbacks): New functions.
9951 * cpplib.h (cpp_callbacks): Break out as a named structure.
9952 (cpp_options): Move help_only here from cpp_reader.
9953 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9954 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9955 cpp_set_callbacks): New prototypes.
9956 * cppmain.c (main): Update for help_only.
9958 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9960 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9961 Also build and remove and install and uninstall c-tree.info and
9963 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9964 ($(srcdir)/cppinternals.info): New target.
9965 * c-tree.texi: Change file name used when makeinfo used without -o
9966 from ir.info to c-tree.info. Add info directory entry.
9967 * cppinternals.texi: Add info directory entry.
9968 * .cvsignore: Update.
9970 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9972 * c-typeck.c (store_init_value): Don't require constant initializer
9973 elements with -pedantic -std=c99.
9974 (digest_init): Change error about non-constant initializer elements
9976 (constructor_range_end): Remove.
9977 (constructor_incremental, designator_depth,
9978 designator_errorneous): New variables.
9979 (struct constructor_stack): Remove range_end, add incremental.
9980 (struct constructor_range_stack, constructor_range_stack): New.
9981 (struct initializer_stack): Add constructor_range_stack.
9982 (finish_init): Set it.
9983 (start_init): Likewise. require_constant_elements for non-static
9984 trees only if not flag_isoc99.
9985 (really_start_incremental_init): Remove constructor_range_end, add
9986 constructor_incremental.
9987 (pop_init_level): Likewise.
9988 (push_init_level): Likewise. If implicit and the subobject had some
9989 value set already, preinitialize the level with it.
9990 Warn about missing braces only if not pushing due to designators.
9991 (set_designator, push_range_stack): New functions.
9992 (set_init_label): Use them.
9993 (set_init_index): Likewise. Remove constructor_range_end.
9994 Error if designator index is outside of array bounds.
9995 (add_pending_init): Compare values of purpose index trees, not the
9996 trees themselves. Allow overwriting of already initialized element.
9997 Issue a warning if it had side-effects.
9998 (set_nonincremental_init, set_nonincremental_init_from_string): New
10000 (pending_init_member): Rename to...
10001 (find_init_member): ...this function. Call set_nonincremental_init
10002 if necessary. Compare values of purpose index trees, not the trees
10003 themselves. Return the actual value, not just non-zero if something
10005 (output_init_element): Remove checks for duplicates.
10006 If field has zero size, only check the initializer for correctness.
10007 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
10008 if constructor_incremental is zero. Change error about initializers
10009 not computable at load time into pedwarn.
10010 (output_pending_init_elements): Compare bit positions, not
10011 FIELD_DECLs to take into account zero-sized fields.
10012 (process_init_element): Use constructor_range_stack to fill all
10013 ranges in the designator lists from current level up.
10014 * extend.texi: Update documentation for labeled elements.
10016 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
10018 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
10019 to function usage for arguments passed by reference. Optimize
10020 callee-copied arguments.
10021 * regmove.c (replace_in_call_usage): New function.
10022 (fixup_match_1): Call it.
10023 * cse.c (cse_insn): Canonicalize registers in function usage.
10024 * reload1.c (replace_pseudos_in_call_usage): New function.
10027 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10030 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10032 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10035 2001-01-12 DJ Delorie <dj@redhat.com>
10037 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10038 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10041 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10043 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10044 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10045 -std options alongside references to -ansi. Update some
10046 documentation for C99.
10047 * cpp.1: Regenerate.
10049 2001-01-12 Andreas Jaeger <aj@suse.de>
10051 * haifa-sched.c (restore_line_notes): Remove argument block B
10053 * sched-ebb.c (schedule_ebb): Change caller.
10054 * sched-rgn.c (schedule_region): Likewise.
10055 * sched-int.h (restore_line_notes): Adjust prototype.
10057 * loop.h: Remove wrong declaration of doloop_condition_get.
10059 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10061 * extend.texi: Move C++-extension-related node from the C section
10062 into the C++ section.
10064 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10066 * extend.texi: Refer to an array of pointers to functions instead
10067 of one of functions.
10069 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10070 Jan Hubicka <jh@suse.cz>
10072 * combine.c (reversed_comparison): Fix typo in last patch.
10074 (combine_reversed_comparison_code): Make static to follow
10075 prototype declaration.
10077 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10079 * install.texi: Remove misplaced duplicate entry.
10081 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10083 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10085 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10087 * final.c: (leaf_function_p): Fix typo.
10089 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10091 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10092 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10094 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10095 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10096 mmap_anon, and valloc is available.
10097 * ggc-page.c: Restructure ifdef logic to match new autoconf
10098 spec. Don't throw away the test page in init_ggc.
10100 * configure, config.in: Regenerate.
10102 2001-01-12 Michael Hayes <mhayes@redhat.com>
10104 * loop.h (total_biv_increment): Constify iv_class pointer.
10105 (struct induction): Replace `mem_mode' with `mem' rtx.
10106 * unroll.c (total_biv_increment): Constify iv_class pointer.
10107 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10108 (find_mem_givs, combine_givs_p): Likewise.
10109 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10111 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10113 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10115 (__gthread_getspecific): Ditto.
10117 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10119 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10120 put_condition_code): Convert fp comparison codes to integer
10122 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10125 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10126 * i386-protos.h (no_comparison_operator): Kill.
10128 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10130 * combine.c (REVERSIBLE_CC_MODE): Remove.
10131 (reversible_comparison_p): Remove.
10132 (combine_reversed_comparison_code): New.
10133 (reversed_comparison): New.
10134 (combine_simplify_rtx): Use
10135 combine_reversed_comparison_code/reversed_comparison instead
10136 of reversible_comparison_p.
10137 (simplify_if_then_else): Likewise.
10138 (simplify_set): Likewise.
10139 (simplify_logical): Likewise.
10140 (if_then_else_cond): Likewise.
10141 (known_cond): Likewise.
10142 (simplify_comparison): Likewise.
10144 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10146 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10147 sizeof (int) is larger than sizeof(__word__).
10149 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10151 * cppinit.c (do_includes): Fix typo.
10153 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10155 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10156 in S_REGS does not occur because not all sources are possible
10157 when a S_REGS is a destination (sometimes needs a clobber).
10158 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10159 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10160 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10161 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10162 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10163 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10164 (lshrdi_const1, lshrsi3_const16): Likewise.
10165 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10166 (*movhi_68hc12, *movqi_68hc12): Likewise.
10167 (movstrictqi): Make sure reloading in D_REGS as a destination
10170 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10172 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10174 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10176 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10177 -D, -U and -A, and don't initialize the builtins.
10178 (do_includes): Error if -include or -imacros with -fpreprocessed.
10179 * cppmain.c (cb_define, cb_undef): Unconditionally process
10181 * tradcpp.c (main): Fix typo.
10183 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10185 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10186 (read_name_map): Use IS_ABSOLUTE_PATH.
10187 * tradcpp.c (get_filename): Likewise.
10189 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10191 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10192 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10193 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10194 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10195 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10196 (cmphi_z_used): Don't use '@' for the output.
10197 (tstqi_z_used): Likewise.
10198 (cmpqi_z_used): Likewise.
10199 (one_cmplsi2): Likewise.
10201 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10203 * config/sh/sh.c (barrier_align): Recognize branch around far
10204 branch and redundant insn.
10206 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10208 * invoke.texi: Restore documentation of the drivers' switches -MD
10211 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10213 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10215 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10216 check-objc//%): Support parallel testing of multilibs.
10217 (TESTSUITEDIR): Set to testsuite by default, but override for
10219 (check-gcc, check-g++, check-g77, check-objc): Enter
10222 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10224 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10225 * sched-deps.c (deps_may_trap_p): Likewise.
10226 * basic-block.h: Remove a comment.
10227 * flow.c (PROP_POSTRELOAD): Remove.
10228 (update_life_info): Don't add it to prop_flags.
10229 (mark_set_1): Lose the code that was enabled by it.
10231 2001-01-11 Michael Hayes <mhayes@redhat.com>
10233 * flow.c (flow_call_edges_add): New.
10234 * basic_block.h (flow_call_edges_add): New.
10236 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10238 * reload1.c (move2add_note_store): Update reg_set_luid even if
10239 base reg remains the same.
10241 2001-01-10 Nick Clifton <nickc@redhat.com>
10243 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10244 machine_function structure to zero.
10245 Add prototypes for machine_status functions.
10247 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10249 * c-common.h (CTI_VOID_LIST): Remove.
10250 (void_list_node): Likewise.
10251 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10252 (void_list_node): New macro.
10253 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10254 * config/i386/i386.c (ix86_init_builtins): Likewise.
10255 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10257 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10259 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10260 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10262 * tradcpp.c: Include mkdeps.h.
10263 (deps, print_deps_phony_targets, deps_append, output_deps,
10264 init_dependency_output, output_deps): New.
10265 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10266 deps_output): Delete.
10267 (print_deps_missing_files): Rename deps_missing_files.
10268 (inhibit_output): Make global.
10269 (main): Delete inhibit_output, deps_stream, deps_target.
10270 Use mkdeps functionality in the same way as cpplib. Remove
10271 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10272 -M and -MM. Remove old handling of deps via deps_out, and
10273 old reading of environment variables.
10274 (get_filename): Update to use deps_add_dep.
10276 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10278 * output.h (make_function_rtl): Remove prototype.
10279 (make_decl_rtl): Likewise.
10280 * varasm.c (make_function_rtl): Remove.
10281 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10282 than from a third parameter.
10283 * tree.h (make_decl_rtl): Remove last parameter.
10284 * c-decl.c (builtin_function): Remove last argument in call to
10285 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10286 (start_function): Likewise.
10287 * except.c (call_get_eh_context): Likewise.
10288 * expr.c (emit_block_move): Likewise.
10289 (clear_storage): Likewise.
10290 * profile.c (output_func_start_profiler): Likewise.
10291 * toplev.c (rest_of_decl_compilation): Likewise.
10292 * objc/objc-act.c (create_builtin_decl): Likewise.
10293 (synth_module_prologue): Likewise.
10294 (generate_static_reference): Likewise.
10295 (build_selector_reference_decl): Likewise.
10296 (build_class_reference_decl): Likewise.
10297 (build_objc_string_decl): Likewise.
10298 (build_protocol_reference): Likewise.
10300 2001-01-10 Richard Henderson <rth@redhat.com>
10302 * hwint.h: Revert yesterday's change.
10304 2001-01-10 Nick Clifton <nickc@redhat.com>
10306 * function.h (save_machine_status): Delete.
10307 (restore_machine_status): Delete.
10308 Amend comment describing {init|mark|free}_machine_status.
10310 * function.c (save_machine_status): Delete.
10311 (restore_machine_status): Delete.
10312 Amend comment describing {init|mark|free}_machine_status.
10313 (push_function_context_to): Remove invocation of
10314 save_machine_status.
10315 (pop_function_context_from): Remove invocation of
10316 restore_machine_status.
10318 * emit-rtl.c (init_emit_once): Amend comment describing
10319 {init|mark|free}_machine_status.
10321 * tm.texi (Per-Function Data): New node. Describe the
10322 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10325 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10327 * cppinit.c (OPT_g): Remove.
10328 (cpp_handle_option): Update for removed -g3.
10329 (print_help): Update.
10330 * cpplib.h (struct cpp_options): Remove debug_output.
10331 * cppmain.c (setup_callbacks, cb_define): Update.
10332 * gcc.c (cpp_options): Translate -g3 to -dD.
10334 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10336 * config/i960/i960.md: Change modifier to + on the zero_extract
10337 pattern after the (rotate -2 reg) canonicalization pattern.
10339 2001-01-10 Richard Henderson <rth@redhat.com>
10341 * config/alpha/alpha.c (alpha_free_machine_status): New.
10342 (override_options): Install it.
10343 (alpha_mark_machine_status): Verify machine non-null.
10344 * config/i386/i386.c (ix86_free_machine_status): New.
10345 (override_options): Install it.
10346 (ix86_init_machine_status): Use xcalloc.
10347 (ix86_mark_machine_status): Verify machine non-null.
10348 * config/ia64/ia64.c (ia64_free_machine_status): New.
10349 (ia64_override_options): Install it.
10350 (ia64_mark_machine_status): Verify machine non-null.
10352 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10354 * function.c (instantiate_virtual_regs): Instantiate virtual
10355 registers found in CALL_INSN_FUNCTION_USAGE.
10357 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10359 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10360 equivalent to -ansi in disabling -Di386.
10362 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10364 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10366 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10368 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10370 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10372 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10374 * invoke.texi: Document that -fcond-mismatch isn't supported for
10377 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10379 * gcc.texi: Define macro gcctabopt.
10380 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10381 @command, @env and @option in some places where appropriate. Use
10382 @gcctabopt where appropriate. Put URLs and email addresses inside
10385 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10387 * gcc.c (cpp_options): Set MD file name from output
10388 filename, if specified.
10389 (suffix_subst): New static variable.
10390 (do_spec): Clear it.
10391 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10393 (give_switch): Handle suffix_subst.
10395 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10397 * invoke.texi: Fix another typo.
10399 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10401 * invoke.texi: Fix typo.
10403 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10405 * c-lang.c (lang_hooks): Update.
10406 (lang_decode_option): Remove.
10407 (lang_init_options): Rename c_init_options.
10408 * toplev.c (main): Use lang_hooks for lang_init_options
10409 and lang_decode_option.
10410 * toplev.h (lang_hooks): Add 2 new hooks.
10411 * tree.h: Remove lang_init_options and lang_decode_option.
10412 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10413 * cp/decl2.c: Similarly.
10414 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10415 (lang_hooks): Update.
10416 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10418 (lang_init_options): Rename ffe_init_options.
10419 (lang_hooks): Update.
10420 (lang_decode_option): Remove.
10421 * java/lang.c (lang_init_options): Rename java_init_options.
10422 (lang_decode_option): Rename java_decode_option.
10423 (lang_hooks): Update.
10424 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10425 (lang_decode_option): Rename objc_decode_option.
10426 (lang_hooks): Update.
10428 2001-01-09 Nick Clifton <nickc@redhat.com>
10430 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10431 (d30v_return_addr_rtx): Delete.
10432 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10433 cfun->machine structure.
10434 (struct machine_function): Move to d30v.h
10435 (d30v_save_machine_status): Delete.
10436 (d30v_restore_machine_status): Delete.
10437 (d30v_init_machine_status): New Function.
10438 (d30v_mark_machine_status): New Function.
10439 (d30v_free_machine_status): New Function.
10440 (d30v_init_expanders): Use new functions.
10441 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10442 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10443 d30v_return_addr_rtx.
10445 * config/d30v/d30v.h (struct_machine): Move here.
10446 Add eh_epilogue_sp_ofs field.
10448 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10449 field in cfun->machine structure.
10451 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10453 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10454 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10455 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10457 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10459 * objc/lang-options.h: Remove bogus reference to
10462 2001-01-09 Kazu Hirata <kazu@hxi.com>
10464 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10467 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10469 * reload.c (find_reloads_address): Check for eliminable registers
10470 when substituting a constant expression for a pseudo.
10472 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10474 * c-common.c (enum format_type): Add format_type_error.
10475 (decode_format_type): New function.
10476 (decl_attributes): Use it.
10477 (format_kind_info): Adjust comment.
10479 2001-01-09 David O'Brien <obrien@BSDi.com>
10481 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10482 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10484 * config/i386/gnu.h: Don't include required platform specific .h files,
10485 tm.h will do it instead.
10486 * config/i386/i386elf.h: Likewise.
10487 * config/i386/linux.h: Likewise.
10488 * config/i386/moss.h: Likewise.
10489 * config/mips/gnu.h: Likewise.
10491 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10493 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10494 (rs6000-ibm-aix3.[01]*): Likewise.
10495 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10496 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10497 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10498 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10499 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10500 (powerpc-*-eabiaix*): Likewise.
10501 (powerpc-*-eabisim*): Likewise.
10502 (powerpc-*-elf*): Likewise.
10503 (powerpc-*-eabi*): Likewise.
10504 (powerpc-*-rtems*): Likewise.
10505 (powerpc-*-linux*libc1): Likewise.
10506 (powerpc-*-linux*): Likewise.
10507 (powerpc-wrs-vxworks*): Likewise.
10508 (powerpcle-wrs-vxworks*): Likewise.
10509 (powerpcle-*-sysv*): Likewise.
10510 (powerpcle-*-elf*): Likewise.
10511 (powerpcle-*-eabisim*): Likewise.
10512 (powerpcle-*-eabi*): Likewise.
10513 (powerpcle-*-solaris2*): Likewise.
10514 * config/rs6000/aix31.h: Delete includes.
10515 * config/rs6000/aix3newas.h: Likewise.
10516 * config/rs6000/aix41.h: Likewise.
10517 * config/rs6000/aix43.h: Likewise.
10518 * config/rs6000/beos.h: Likewise.
10519 * config/rs6000/rtems.h: Likewise.
10520 * config/rs6000/sysv4.h: Likewise.
10522 2001-01-09 Kazu Hirata <kazu@hxi.com>
10524 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10525 Change an argument mode of machine_mode to shift_mode of
10526 shift_mode. Remove an extra error check.
10527 (emit_a_shift): Adopt to the new calling prototype of
10529 (function_prologue): Fix code for a monitor
10530 function. Support H8/S.
10531 (function_epilogue): Do not output pop for a monitor function.
10533 2001-01-09 Nick Clifton <nickc@redhat.com>
10535 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10536 (setup_incoming_varargs): Use sysv_varargs_p field of the
10537 cfun->machine structure.
10538 (struct machine_function): Move to rs6000.h
10539 (rs6000_save_machine_status): Delete.
10540 (rs6000_restore_machine_status): Delete.
10541 (rs6000_init_machine_status): New Function.
10542 (rs6000_free_machine_status): New Function.
10543 (rs6000_init_expanders): Use new functions.
10545 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10547 (struct machine_function): Move here.
10549 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10550 sysv_varargs_p field of the cfun->machine structure.
10552 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10554 (rs6000_restore_machine_status): Remove prototype.
10556 2001-01-09 Richard Henderson <rth@redhat.com>
10558 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10559 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10560 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10561 (sched_analyze_2, sched_analyze_insn): Likewise.
10562 (sched_analyze, init_deps): Likewise.
10563 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10564 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10565 (compute_block_backward_dependences): Update propagate_deps call.
10567 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10569 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10571 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10573 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10574 (cpp_handle_option): Handle them.
10575 (cpp_post_options): Ensure one of -M or -MM is specified with
10576 any other -M? option.
10577 (init_dependency_output): Suppress output with -MG.
10579 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10581 * cpp.texi: Update.
10582 * invoke.texi: Update.
10584 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10586 * sh.md (reload_outsf): Generate recognizable patterns for
10589 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10591 * c-lang.c (lang_hooks): Update.
10592 (lang_init): Rename c_init.
10593 (lang_finish): Remove.
10594 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10595 and lang_finish ().
10596 * toplev.h (lang_hooks): Add init () and finish ().
10597 * tree.h (lang_init, lang_finish): Remove.
10598 * cp/tree.h (lang_init, lang_finish): Remove.
10599 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10600 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10602 (lang_init, lang_finish): Remove.
10603 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10604 (lang_hooks): Update.
10605 * java/lang.c (lang_init): Rename java_init.
10606 (lang_finish): Remove.
10607 (lang_hooks): Update.
10608 * objc/objc-act.c (lang_init): Rename objc_init.
10609 (lang_finish): Remove.
10610 (lang_hoooks): Update.
10612 20001-01-09 Graham Stott <grahams@redhat.com>
10614 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10615 after `ptr` is initialised.
10617 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10619 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10620 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10621 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10622 stack adjusts, instead of r3.
10624 2001-01-09 Michael Hayes <mhayes@redhat.com>
10626 * flow.c (flow_loop_scan): Break out of ...
10627 (flow_loops_find) ... here.
10628 * basic-block.h (flow_loop_scan): New.
10629 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10630 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10632 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10634 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10636 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10637 realloc()ing macro_buffer.
10639 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10640 if it's wider than long and the target's long is wider than the
10643 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10645 Remove support for using UWIN as a host machine.
10646 * configure.in: Issue an error message.
10647 * configure: Regenerated.
10648 * config.gcc: Remove xm_* UWIN configury.
10649 * config/i386/xm-uwin.h: Remove.
10651 2001-01-08 Nick Clifton <nickc@redhat.com>
10653 * config/v850/v850.c (ra_rtx): Delete.
10654 (v850_save_machine_status): Delete.
10655 (v850_restore_machine_status): Delete.
10656 (v850_init_machine_status): New function.
10657 (v850_mark_machine_status): New function.
10658 (v850_free_machine_status): New function.
10659 (v850_return_addr): Use ra_rtx field in machine structure.
10660 (v850_init_expanders): Use new functions.
10662 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10663 * config/v850/v850.c: Change arguments to v850_output+* functions
10664 to take a const char *, to avoid compile time warning.
10665 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10666 (USER_LABEL_PREFIX): Redefine.
10668 2000-01-08 Jim Wilson <wilson@redhat.com>
10670 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10671 1 to unsigned HOST_WIDE_INT before left shift.
10673 2001-01-08 Nick Clifton <nickc@redhat.com>
10675 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10676 the machine structure has been allocated.
10677 (arm_free_machine_status): New function: Free the machine
10678 specific function structure.
10680 2001-01-08 Richard Henderson <rth@redhat.com>
10682 * jump.c (simplejump_p): Revert last change.
10684 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10686 * cppinit.c (init): Rename init_library.
10687 (cpp_create_reader): Update.
10688 * gcc.c (cpp_options): If -o given, use it as the target of
10691 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10693 * arm.c (arm_arch5e): New variable.
10694 (all_cores): XScale is a 5TE device.
10695 (arm_override_options): Set arm_arch5e.
10696 (arm_init_builtins): __builtin_prefetch is in arch5e.
10697 * arm.h (arm_arch5e): Declare it.
10699 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10701 * arm.md (define_constants): Add defines for UNSPEC and
10702 UNSPEC_VOLATILE insns. Update all users.
10703 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10704 * arm.c (multi_register_push, note_invalid_constants)
10705 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10706 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10707 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10709 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10711 * jump.c (jump_optimize_1): Use reversed_comparison_code
10712 instead of can_reverse_comparison_p.
10713 (jump_back_p): Likewise.
10714 (invert_exp_1): Likewise.
10715 (thread_jumps): Likewise.
10716 * simplify-rtx.c (simplify_unary_operation): Likewise.
10717 (simplify_ternary_operation): Likewise.
10718 * cse.c (find_comparison_args): Convert to use
10719 can_reverse_comparison_p.
10720 (record_jump_equiv): Likewise.
10722 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10724 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10725 (EPILOGUE_USES): Define.
10726 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10727 automatically stack the LR if it isn't live.
10729 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10731 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10734 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10736 * ggc-page.c (max_alignment): New structure.
10737 (MAX_ALIGNMENT): New macro.
10738 (init_ggc): Use it to round up the sizes in the
10739 extra_order_size_table.
10741 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10743 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10746 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10748 * builtins.def (BUILT_IN_FPRINTF): New entry.
10750 * c-common.c (c_expand_builtin_fprintf): New function.
10751 (init_function_format_info): Handle __builtin_fprintf.
10752 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10753 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10755 * c-decl.c (duplicate_decls): Adjust comment.
10757 * extend.texi (fprintf): Document new builtin.
10759 2001-01-07 Richard Henderson <rth@redhat.com>
10761 * jump.c (simplejump_p): Recognize any single_set jump
10762 of the proper form.
10764 2001-01-07 Richard Henderson <rth@redhat.com>
10766 * configure.in (slibdir): Accept an --with-slibdir option.
10767 Use "test" not "[" in configure. Default to $(libdir).
10769 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10771 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10772 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10773 (SHLIB_LINK): Create links for the soname.
10774 * config/mips/t-iris6: Likewise.
10775 * config/sparc/t-slibgcc: Likewise.
10776 * config/sparc/t-slibgcc-sld: Likewise.
10778 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10780 * config/i386/i386.c (constant_call_address_operand): Accept
10781 (const (plus (symbol_ref) (const_int))).
10782 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10783 constant_call_address_operand.
10785 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10787 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10788 and LONG_LONG_TYPE_SIZE > 32.
10790 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10792 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10793 the previous change.
10795 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10797 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10799 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10800 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10801 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10804 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10806 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10808 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10810 * c-lang.c (c_post_options): Call cpp_post_options.
10811 * objc/objc-act.c (objc_post_options): Similarly.
10812 * cppmain.c (main): Similarly.
10813 * fix-header.c (read_scan_file): Similarly.
10814 * cppinit.c (cpp_start_read): Move option consistency checks
10815 to cpp_post_options. Don't call init_dependency_output.
10816 If needed, add default target and main file dependency.
10817 (OPT_MD, OPT_MMD): Remove.
10819 (cpp_handle_option): Update for OPT_* changes.
10820 (cpp_post_options): New.
10821 (init_dependency_output): Command line -MF overrides environment
10822 variables. Don't set default target etc. Suppress output
10823 if dependencies are going to stdout.
10824 (print_help): Update.
10825 * cpplib.h (cpp_post_options): New.
10826 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10828 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10830 * jump.c (comparison_dominates_p): Support unordered compares.
10832 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10834 * simplify-rtx.c (simplify_relational_operation): Always simplify
10835 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10838 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10840 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10841 (nonzero_bits): Likewise.
10842 (simplify_comparison): Likewise.
10843 (num_sign_bit_copies): Likewise; return more sane value depending
10844 on STORE_FLAG_VALUE.
10845 (known_cond): Do not assume EQ to be always true for equivalent
10848 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10850 * cse.c (fold_rtx): Handle unordered comparisons.
10852 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10854 * rtlanal.c (set_of_1): New static function.
10855 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10856 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10857 reg_set_last_last_regno): Remove.
10858 (set_of): New global function.
10859 (set_of_data): New structure.
10860 (reg_set_p, reg_set_last): Revamp for set_of.
10861 * rtl.h (set_of): New.
10863 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10865 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10866 * extend.texi: Document _Exit builtin.
10868 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10870 * (initialize, initialize_builtins,
10871 initialize_dependency_output, initialize_standard_includes):
10872 Rename s/initialize/init. Update.
10873 (init_dependency_output): Move to after
10874 cpp_handle_options, the correct location temporally at least.
10875 (opt_comp): Move next to init (), its caller. Fix prototype.
10876 (init): Make "initialized" local scope.
10877 (cpp_create_reader): Always call init ().
10878 (cpp_start_read): Update.
10879 (output_deps): New function, broken out of cpp_finish.
10880 (cpp_finish): Break out output_deps.
10882 2001-01-07 Richard Henderson <rth@redhat.com>
10884 * collect2.c (COFF specific stuff): Revert 12-06 patch
10885 to prototype system functions.
10887 2001-01-07 Michael Hayes <mhayes@redhat.com>
10889 * hard-reg-set.h: Add multiple include guard.
10890 * basic-block.h (struct loop): Add `sink' field.
10891 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10892 (emit_iv_add_mult): Delete.
10893 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10894 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10895 (unroll_loop): Remove end_insert_before argument.
10896 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10897 (maybe_eliminate_biv_1): Likewise.
10898 (emit_iv_add_mult): Delete.
10899 (gen_add_mult, loop_regs_update): New.
10900 (loop_insn_emit_after, loop_insn_emit_before): New.
10901 (loop_insn_sink, loop_insn_sink_or_swim): New.
10902 (emit_iv_add_mult): Delete.
10903 (scan_loop): Set loop->sink.
10904 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10905 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10906 (maybe_eliminate_biv_1): Likewise.
10907 (maybe_eliminate_biv_1): Add basic block argument.
10908 * unroll.c (unroll_loop): Remove end_insert_before argument.
10909 (find_splittable_regs): Likewise.
10910 (find_splittable_regs): Use loop_insn_sink and its ilk.
10911 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10913 2001-01-07 Michael Hayes <mhayes@redhat.com>
10915 * loop.h (loop_insn_hoist): New prototype.
10916 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10917 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10918 (check_dbra_loop, load_mems): Likewise.
10919 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10920 (find_splittable_givs): Likewise.
10922 2001-01-07 Michael Hayes <mhayes@redhat.com>
10924 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10926 2001-01-07 Richard Henderson <rth@redhat.com>
10928 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10930 2001-01-07 Richard Henderson <rth@redhat.com>
10932 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10933 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10934 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10935 variant that handles a shared libgcc.
10936 (process_command): Always validate -{static,shared}-libgcc.
10937 (do_spec_1): New 'M' case.
10938 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10940 2001-01-07 Richard Henderson <rth@redhat.com>
10942 * Makefile.in (slibdir): New variable.
10943 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10944 (installdirs): Create slibdir.
10945 (install-libgcc, install-multilib): Defer to libgcc.mk.
10946 * configure.in (slibdir): Substitute.
10947 * mklibgcc.in (install): New target.
10949 * config/t-linux (SHLIB_LINK): Create links for the soname.
10950 (SHLIB_INSTALL): New.
10951 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10952 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10953 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10954 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10955 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10957 2001-01-07 Richard Henderson <rth@redhat.com>
10959 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10960 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10961 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10963 2001-01-07 Michael Hayes <mhayes@redhat.com>
10965 * loop.c (count_loop_regs_set): Delete.
10966 (load_mems_and_recount_loop_regs_set): Delete.
10967 (loop_regs_scan): Merge common code from count_loop_regs_set,
10968 scan_loop, and load_mems_and_recount_loop_regs_set.
10969 (scan_loop): Call load_mems directly and loop_regs_scan
10970 again if new registers created.
10972 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10974 * toplev.c (main): Call the front-end specific post_options
10975 hook if one is given.
10976 * toplev.h (struct_lang_hooks, lang_hooks): New.
10977 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10978 for the C front end.
10979 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10980 lang_hooks for the C++ front end.
10981 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10982 lang_hooks for the ObjC front end.
10983 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10984 * java/lang.c (lang_hooks): Hooks for the Java front end.
10986 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10988 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10989 for verbose DWARF[2] debugging.
10990 (cb_define, cb_undef): The new callbacks.
10991 * toplev.h (debug_define, debug_undef): Make const correct.
10992 * toplev.c (debug_define, debug_undef): Similarly. Do not
10993 perform the verbosity tests here anymore.
10995 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10997 * reload.c (subst_reloads): Take INSN argument. When
10998 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10999 * reload.h (subst_reloads): Adjust prototype.
11000 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
11001 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
11002 present in JUMP_INSNs and copy them to JUMP_LABEL.
11003 * flow.c (find_label_refs, find_basic_blocks_1): Skip
11004 JUMP_INSNs and insns with REG_LABELs that are followed by
11005 JUMP_INSNs with the same REG_LABEL.
11006 * sched-rgn.c (is_cfg_nonregular): Likewise.
11007 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
11009 * unroll.c (unroll_loop): Look for REG_LABEL notes in
11011 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
11013 2001-01-06 Richard Henderson <rth@redhat.com>
11015 * loop.c (scan_loop): Use xcalloc for the regs array.
11016 (load_mems_and_recount_loop_regs_set): Zero the new memory
11017 received from xrealloc.
11019 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11021 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11023 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11025 * integrate.c (copy_rtx_and_substitute): When copying
11026 an ignored return value, strip REG_FUNCTION_VALUE_P.
11028 2001-01-06 Michael Hayes <mhayes@redhat.com>
11030 * loop.c (debug_biv, debug_giv): New.
11031 (loop_biv_dump): Break out from ...
11032 (record_biv): ... here.
11033 (loop_giv_dump): Break out from ...
11034 (record_giv): ... here.
11035 (loop_bivs_check): Use print_simple_rtl.
11036 * unroll.c (loop_iterations): Use print_simple_rtl.
11038 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11040 * pa.md (return, return_internal): Modify patterns to prevent regrename
11041 mucking with the return pointer.
11043 2001-01-05 Richard Henderson <rth@redhat.com>
11045 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11047 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11049 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11050 version supplied by Matteo Frigo.
11052 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11054 * cpp.texi: Update for -MQ.
11055 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11056 (cpp_cleanup): Always free pfile->deps.
11057 (initialize_dependency_output): Don't create pfile->deps.
11058 (cpp_handle_option): Similarly.
11060 * gcc.c (cpp_options): Handle -MQ.
11061 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11062 * mkdeps.c (base_name): Remove.
11063 (deps_init): Don't allocate vector space until it's needed.
11064 (deps_free): Only free vectors if allocated.
11065 (deps_add_target, deps_add_dep): Update for initial allocation.
11066 (deps_add_default_target): Don't strip to the base_name.
11068 2001-01-05 DJ Delorie <dj@redhat.com>
11070 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11071 (INIT_EXPANDERS): Define.
11073 * config/v850/v850.c (struct machine_function): Define.
11074 (v850_save_machine_status): New function.
11075 (v850_restore_machine_status): New function.
11076 (v850_return_addr): New function.
11077 (v850_init_expanders): New function.
11079 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11080 and v850_init_expanders.
11082 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11084 * cpplib.h (struct cpp_reader): Add help_only field.
11085 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11086 (cpp_handle_option): Set pfile->help_only if we see -h,
11087 --help, -target-help, or --version. Print version string but
11088 do not set help_only if we see -v or -version. Make text
11089 printed by -v match that printed by (-)-version.
11091 * cppmain.c (main): Exit after option parsing if
11092 pfile->help_only is true.
11094 * toplev.c (independent_decode_option): Call print_version,
11095 then exit, if we see --version (but not -version).
11096 (print_version): Split lengthy message into two lines.
11098 2001-01-05 Nick Clifton <nickc@redhat.com>
11100 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11101 temporary string for initialisation before calling ggc_alloc_string.
11103 2001-01-06 Michael Hayes <mhayes@redhat.com>
11105 * rtl.h (print_simple_rtl): New.
11106 * print-rtl.c (print_simple_rtl): New.
11107 (flag_simple): New.
11108 (print_rtx): Disable printing of flags and modes, etc.,
11109 if `flag_simple` nonzero.
11111 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11113 * function.c (fixup_var_refs): Use push_to_full_sequence where
11116 2001-01-05 Michael Meissner <meissner@redhat.com>
11118 * flags.h (flag_reorder_blocks): Add declaration.
11119 (flag_rename_block): Ditto.
11121 2001-01-05 DJ Delorie <dj@redhat.com>
11123 * function.c (reorder_blocks): Make sure the flags are all reset
11124 before using them to mark blocks, else a second invocation will
11125 corrupt the block chain.
11126 (reorder_blocks_0): New, resets the flags.
11128 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11130 * cse.c (find_comparison_args): Stop if the argument is known to
11133 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11135 * config/sh/sh.md (movdf): When splitting load into pair of
11136 registers, don't clobber the register used in the address too
11139 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11141 * varasm.c (mark_constant_pool): Improve initial comments.
11142 (mark_constants): Move marking of constants to mark_constant.
11143 (mark_constant): New function to recursively mark all constants
11144 referred to by a constant.
11146 2001-01-05 Catherine Moore <clm@redhat.com>
11148 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11150 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11152 * cp/lang-options.h: Bring comment in line with reality.
11153 * f/lang-options.h: Likewise.
11154 * java/lang-options.h: Likewise.
11155 * objc/lang-options.h: Likewise.
11156 * ch/lang-options.h: Likewise.
11157 * f/g77.texi: And update the manual.
11159 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11160 Denis Chertykov <denisc@overta.ru>
11162 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11163 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11164 * config/avr/avr.md (all peepholes that request a scratch register):
11165 Call it, FAIL the peephole if not safe (in interrupt functions).
11167 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11169 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11171 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11173 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11175 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11176 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11177 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11178 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11179 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11181 * extend.texi: Document these builtins.
11183 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11185 * c-common.c (lang_get_alias_set): Say we know nothing of
11186 VECTOR_TYPE aliasing.
11188 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11190 2001-01-05 Bruce Korb <bkorb@gnu.org>
11192 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11193 their x* equivalent versions for atexit-less systems
11194 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11195 systems (or any other system any more).
11197 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11199 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11200 output operands. Use arm_hard_register_operand for operand 4.
11201 (stmsi_postinc): Similarly.
11202 (ldmsi): Use arm_hard_register_operand for opernand 2.
11203 (stmsi): Similarly.
11204 * arm.c (arm_hard_register_operand): New function.
11205 * arm-protos.h (arm_hard_register_operand): Prototype it.
11207 * arm.h (HARD_REGNO_RENAME_OK): Define.
11209 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11211 * simplify-rtx.c (cfc_args): add "unordered" field.
11212 (check_fold_consts): Set unordered field.
11213 (simplify_relational_operation): Simplify the unordered
11216 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11219 * emit-rtl.c (try_split): Fix code to mark labels.
11220 * jump.c (mark_jump_label): Make global.
11221 * rtl.h (mark_jump_label): Declare.
11223 * predict.c (estimate_probability): Handle unordred comparisons.
11225 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11227 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11228 * cppinit.c (initialize_dependency_output): Update.
11229 (cpp_finish): Output dummy targets for -MP.
11231 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11232 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11233 * gcc.c (cpp_options): Update to handle -MP.
11234 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11235 to quote only the default target.
11236 (deps_phony_targets): Insert a preceding newline. Rename from
11237 deps_dummy_targets for consistency.
11240 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11242 * calls.c (emit_library_call_value_1): Support
11243 INIT_CUMULATIVE_LIBCALL_ARGS.
11244 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11246 2001-01-04 Richard Henderson <rth@redhat.com>
11248 * c-decl.c (finish_struct): Detect flexible array members
11249 used in an inappropriate context.
11250 * c-typeck.c (really_start_incremental_init): Special case
11251 constructor_max_index for zero length arrays.
11252 (pop_init_level): Allow initialization of flexible array
11253 members. Deprecate initialization of zero length arrays.
11254 Don't issue missing initializer warning for flexible array
11255 members or zero length arrays.
11256 (process_init_element): Don't dereference null DECL_SIZE.
11257 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11258 Don't abort for empty constructors. Use size_binop
11259 (output_constructor): Add commentary regarding zero length
11260 array futures. Abort if we try to initialize an array of
11261 unspecified length with a non-empty constructor in the middle
11264 * extend.texi (Zero Length): Update and clarify documentation
11265 on static initialization.
11267 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11269 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11270 with more than 32767 words of local storage.
11272 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11274 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11275 for 'abs', 'labs', and 'fabs'.
11276 (c4x_expand_builtin): Likewise.
11277 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11279 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11281 * config/sh/sh.md (prget, prset): New insn types.
11282 (return delay slot): Dont' allow prset.
11283 (call, sfunc delay slot): Don't allow prget.
11284 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11285 for prset and prget.
11287 2001-01-05 Michael Hayes <mhayes@redhat.com>
11289 * loop.h (struct loop_reg): New.
11290 (struct loop_regs): Change to use array of `struct loop_reg'.
11291 * loop.c: Replace assortment of varrays with single regs array.
11292 (count_one_set): Delete may_not_move array argument
11293 and use regs array instead. All caller's changed.
11294 (count_loop_regs_set): Delete may_not_move and single_usage
11295 arguments and use regs array instead. All caller's changed.
11296 (find_single_use_in_loop): Replace usage array argument with pointer
11297 to regs structure. All caller's changed.
11298 (loop_optimize): Delete `moved_once' array.
11300 2001-01-05 Michael Hayes <mhayes@redhat.com>
11302 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11303 Use it instead of loop_info->has_call for scanning loop mems.
11304 (check_dbra_loop): Replace loop_info->has_call test with
11305 loop_info->has_nonconst_call.
11307 2000-01-04 Matthew Hiller <hiller@redhat.com>
11309 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11312 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11314 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11315 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11317 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11319 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11320 (flag_short_double, flag_short_wchar): Define.
11321 (c_common_nodes_and_builtins): Create many tree nodes shared
11322 between C and C++ here instead of in cp/decl.c and ...
11323 * c-decl.c (init_decl_processing): ... here.
11324 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11325 (flag_short_double, flag_short_wchar): Don't define.
11326 (record_builtin_type): New function.
11327 (build_void_list_node): New function.
11328 * c-common.h (flag_short_double, flag_short_wchar,
11329 record_builtin_type, build_void_list_node): Declare.
11331 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11333 * integrate.c (expand_inline_function): Don't put a virtual
11334 register into the reg map.
11336 * function.c (fixup_var_refs_1): If force_operand didn't put
11337 the address into the target, move it there.
11339 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11341 Special-case tree_decl/tree_list allocations.
11342 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11343 (OBJECT_SIZE): New macro.
11344 (NUM_EXTRA_ORDER): Likewise.
11345 (extra_order_size_table): New variable.
11346 (NUM_ORDERS): New macro.
11347 (objects_per_page_table): New variable.
11348 (object_size_table): New variable.
11349 (G.pages): Use NUM_ORDERS to bound the array.
11350 (G.page_tails): Likewise.
11351 (DIV_ROUND_UP): Remove.
11352 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11353 (alloc_page): Use OBJECT_SIZE.
11354 (size_lookup): Don't make it const.
11355 (ggc_alloc): Use OBJECT_SIZE.
11356 (ggc_set_mark): Likewise.
11357 (ggc_get_size): Likewise.
11358 (init_ggc): Set up the object_size_table, objects_per_page_table,
11359 and adjust size_lookup.
11360 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11361 (ggc_pop_context): Use NUM_ORDERS.
11362 (clear_marks): Likewise.
11363 (sweep_pages): Likewise.
11364 (poison_pages): Likewise.
11365 (ggc_print_statistics): Use OBJECT_SIZE.
11367 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11369 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11370 Only call array_size_for_constructor if last field and array type
11371 with no upper bound.
11373 2001-01-04 Philip Blundell <philb@gnu.org>
11375 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11376 from bit 31 downwards, if this requires no more insns.
11377 (count_insns_for_constant): New helper function for above.
11379 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11381 * gencodes.c (output_predicate_decls): Remove empty initializer.
11383 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11385 * tree.c (copy_node): Remove documentation about obstacks.
11386 (buidl1): Check that nobody tries to build 2-argument nodes this
11389 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11391 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11394 * gencodes.c (output_predicate_decls): Fill empty initializer
11397 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11399 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11400 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11402 (do_include): Handle missing headers like cpp0.
11403 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11404 paths with first include pathname. Don't strcat to uninitialized
11407 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11409 * regrename.c (regrename_optimize): Don't rename from frame pointer
11410 if frame_pointer_needed.
11411 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11412 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11413 (ia64_reorg): Use it instead of scheduling if ! optimize.
11414 (errata_emit_nops): Properly call asm_noperands.
11415 (ia64_sched_reorder): Finish cycle if we see an asm.
11416 (ia64_variable_issue): Clear scheduling state after asms.
11418 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11420 * cpp.texi: Update for -MT.
11421 * cppinit.c (initialize_dependency_output): Add a default
11422 target if none has been given already.
11423 (no_tgt, OPT_MT): New.
11424 (cpp_handle_option): Handle -MT. Update -M etc.
11425 * cpplib.h (struct cpp_options): Remove deps_target.
11426 * gcc.c (cpp_options): Handle -MT.
11427 * mkdeps.c (struct deps): Move from mkdeps.h.
11428 (deps_calc_target): Rename deps_add_default_target. Add a
11429 default target if none has been specified already.
11430 * mkdeps.h (struct deps): Move to mkdeps.c.
11431 (deps_calc_target): Rename deps_add_default_target.
11433 2000-01-03 Richard Henderson <rth@redhat.com>
11435 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11437 * c-typeck.c (push_init_level): Move checks for flexible array
11438 members and zero length arrays ...
11439 (pop_init_level): ... here. Silently discard empty initializations.
11441 * varasm.c (output_constructor): Update for sizeof change to
11442 zero-length arrays.
11444 * extend.texi (Zero Length): Clarify semantics.
11446 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11448 * configure.in (tm.h): Include isns-codes.h last.
11449 * configure: Rebuilt.
11451 2001-01-03 Richard Henderson <rth@redhat.com>
11453 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11454 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11456 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11458 * tradcpp.c (main): Make sure finclude() is called with a valid
11459 indepth value while handling -include.
11461 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11463 * gencodes.c (output_predicate_decls): New function.
11465 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11466 even if it is not the first time machmode.h is #included.
11467 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11468 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11469 * gcc.texi (Copyright): Added 2001.
11471 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11473 * c-common.c (c_common_lang_init): New function. Warn if format
11474 warning options which only have effects when used with -Wformat
11475 are used without -Wformat.
11476 * c-common.h (c_common_lang_init): Declare.
11477 * c-lang.c (lang_init): Call c_common_lang_init.
11478 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11480 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11482 * configure.in: Check for the mktemp command.
11483 * configure: Regenerate.
11484 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11485 $TEMP. Create temporary files with mktemp, if available at
11486 configure time; otherwise use set -C. Remove temporary files
11489 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11491 * configure.in: Require at least texinfo 4.0. Check for whether
11492 Pod::Man is sufficiently recent to regenerate GCC manpages.
11493 * configure: Regenerate.
11494 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11496 (GENERATED_MANPAGES): Define.
11497 (generated-manpages): New target. Depend on cpp.1 as well as
11499 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11500 configure to generated-manpages or empty) rather than on the
11501 manpages directly. Remove execute permission from installed
11502 gcov.1 as well as cpp.1.
11503 * cpp.1, gcov.1: Regenerate.
11505 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11507 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11508 tree_low_cst. Allow using cmpstrsi in more cases.
11510 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11512 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11515 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11517 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11518 * Makefile.in (HOST_CFLAGS): Mention build-make.
11520 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11522 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11525 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11527 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11530 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11533 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11534 reg_base_value and reg_known_value arrays.
11535 (init_alias_analysis): Add more cases to detect known values.
11536 * sched-deps.c (deps_may_trap_p): New function.
11537 (sched_analyze_2): Use it.
11539 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11541 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11542 don't discard an ASHIFTRT if we're shifting in a wider mode.
11544 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11546 * toplev.c (rest_of_compilation): Don't print basic block information
11547 when CFG isn't up to date.
11549 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11551 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11552 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11553 (UNALIGNED_SHORT_ASM_OP): Define.
11554 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11556 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11558 * fold-const.c (fold_convert): Fix typo.
11560 2001-01-02 Richard Henderson <rth@redhat.com>
11562 * c-common.h (ASM_INPUT_P): New.
11563 * c-parse.in (asm): Set it when needed.
11564 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11565 existance of an operand.
11567 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11569 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11570 (dwarf2out_frame_debug_expr): Likewise.
11571 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11573 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11575 * i386.c (ix86_split_to_parts): Return number of part required;
11577 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11579 (ix86_split_long_move): Use number of part returned
11580 by ix86_split_to_parts
11581 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11583 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11584 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11585 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11586 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11587 (ALIGN_MODE_128): Add TFmode.
11588 (IS_STACK_MODE): Likewise.
11589 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11590 (HARD_REGNO_OK): Support TFmodes.
11591 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11592 * i386.md (scheduler definitions): Use memory operand to determine
11593 fst/fld instructions; use mode attribute to determine real mode of
11595 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11596 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11598 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11600 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11602 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11604 * expr.c (store_constructor_field): Update ALIGN before calling
11607 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11609 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11612 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11614 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11617 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11619 * c-decl.c (start_function): Don't warn on third parameter to main.
11621 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11623 * tsystem.h: Define HAVE_DECL_GETOPT.
11625 2001-01-02 Philip Blundell <pb@futuretv.com>
11627 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11630 2001-01-02 Richard Henderson <rth@redhat.com>
11632 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11634 2001-01-02 Andreas Jaeger <aj@suse.de>
11636 * c-decl.c (c_decode_option): Remove support of
11637 -Wmissing-noreturn.
11639 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11640 (W_options): Add -Wmissing-noreturn here.
11642 * flow.c: Define lang_missing_noreturn_ok_p.
11643 (check_function_return_warnings): Use it.
11645 * c-common.h: Declare lang_missing_noreturn_ok_p.
11647 * c-lang.c (c_missing_noreturn_ok_p): New function.
11648 (lang_init): Set lang_missing_noreturn_ok_p.
11650 * invoke.texi (Warning Options): Document this.
11652 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11654 * extend.texi (C++ Extensions): New node for C++ attributes;
11655 describe init_priority and com_interface.
11656 * invoke.texi: Remove -finit-priority as it now has zero effect.
11657 * install.texi: Fix xref syntax.
11658 * md.texi: Likewise.
11660 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11662 * config.gcc (sparc64-wrs-vxworks*): New case.
11663 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11665 * config/sparc/sparc.c (sparc_override_options): Do support different
11666 pointer and architecture size.
11667 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11668 (POINTERS_EXTEND_UNSIGNED): Define.
11669 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11670 (FUNCTION_MODE): Define to be Pmode.
11671 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11673 * function.c (expand_function_end): Properly handle DECL_RESULT
11674 and copy when ptr_mode != Pmode.
11675 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11677 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11679 * c-common.c (c_common_nodes_and_builtins): Set prototype
11680 parameters for __builtin_fputs, __builtin_fputc and
11681 __builtin_fwrite. Don't declare plain fputc as a builtin.
11683 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11685 * loop.c (add_label_notes): Increment the label usage count when
11686 a note is added to an insn which refers to a CODE_LABEL.
11687 * gcse.c (add_label_notes): Likewise.
11689 2001-01-01 Andreas Jaeger <aj@suse.de>
11691 * loop.c (scan_loop): Use xmalloc to allocate movables.
11693 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11695 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11696 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11697 * reload1.c (REGISTER_MOVE_COST): Likewise.
11698 * regclass.c (REGISTER_MOVE_COST): Likewise.
11699 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11700 dimension. Adjust all users.
11701 (init_reg_sets_1): Iterate on all modes.
11702 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11703 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11704 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11705 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11706 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11707 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11708 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11709 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11710 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11711 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11712 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11713 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11714 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11715 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11716 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11717 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11718 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11719 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11720 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11721 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11722 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11723 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11724 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11725 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11726 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11727 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11728 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11730 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11732 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11733 arg VARIES_P. Call it with extra arg.
11734 (true_dependence): Likewise.
11735 * rtl.h (rtx_addr_can_trap_p): Declare.
11736 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11738 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11739 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11740 pic offset table register if it's zero. All callers changed.
11741 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11743 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11745 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11746 STRING_POOL_ADDRESS_P.
11748 * config/sparc/sparc.c (input_operand): Properly test for short op.
11750 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11751 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11752 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11753 * config/sparc/elf.h: No longer include sol2.h.
11754 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11755 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11757 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11759 2001-01-01 Michael Hayes <mhayes@redhat.com>
11761 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11762 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11763 (record_initial): Likewise.
11764 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11765 (remap_split_bivs): Likewise.
11767 2001-01-01 Michael Hayes <mhayes@redhat.com>
11769 * loop.c (loop_ivs_free): New function.
11770 (strength_reduce): Break out from...
11772 2001-01-01 Michael Hayes <mhayes@redhat.com>
11774 * loop.h (struct iv): New.
11775 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11776 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11777 'reg_biv_class' fields with 'regs' and 'n_regs'.
11778 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11779 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11780 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11782 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11784 * resource.c (mark_referenced_resources): Abort() before
11785 attempting to mark a pseudo register.
11786 (mark_set_resources): Likewise.
11788 2001-01-01 Michael Hayes <mhayes@redhat.com>
11790 * loop.h (REG_IV_CLASS): New accessor macro.
11791 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11792 * unroll.c (REG_IV_CLASS): Likewise.
11794 See ChangeLog.4 for earlier changes.