1 2001-05-25 Jeff Knaggs <jknaggs@redhat.com>
3 * config/alpha/alpha.md (movtf_internal): Use reg_overlap_mentioned_p
4 instead of rtx_equal_p for early clobber test.
6 2001-05-26 Mark Mitchell <mark@codesourcery.com>
8 * builtins.def: Encode additional information, such as names and
10 * builtin-types.def: New file.
11 * builtins.c (built_in_names): Adjust use of DEF_BUILTIN.
12 (built_in_decls): Likewise. Don't explicitly initialize global
14 (expand_builtin_mathfn): Handle float and long double variants of
16 (expand_builtin): Likewise.
17 * c-common.c (c_common_nodes_and_builtins): Make it table-driven.
18 (expand_tree_builtin): Handle long, long long, float, and long
19 double variants of math functions.
20 * c-common.h (c_tree_index): Remove some unused nodes.
22 (void_type_ptr): Likewise.
23 (int_ftype_int): Likewise.
24 (ptr_ftype_sizetype): Likewise.
25 * c-decl.c (init_decl_processing): Remove creation of DWARF
27 * defaults.h (MD_INIT_BUILTINS): Provide default definition.
28 * tree.h (built_in_function): Adjust definition of DEF_BUILTIN.
29 * Makefile.in (c-common.o): Depend on builtin-types.def.
31 2001-05-25 Dale Johannesen <dalej@apple.com>
33 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
35 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
37 * c-parse.in (notype_initdcl): Remove redundant line.
39 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
41 * aclocal.m4: Fixed typo.
42 (gcc_AC_HEADER_STDBOOL): Define.
43 (gcc_AC_C__BOOL): Define.
44 * configure.in: Use them.
45 (AC_CHECK_HEADERS): Remove stdbool.h
46 * configure, config.in: Regenerate.
48 2001-05-25 Richard Henderson <rth@redhat.com>
50 * function.c (expand_function_start): Don't abort on PARALLEL
51 returns from hard_function_value.
53 2001-05-25 Richard Henderson <rth@redhat.com>
55 * config/i386/i386.md: Revert previous change. Do not apply
56 the peephole if the components do not die after the sequence.
58 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
60 * c-parse.in (array_declarator): New. Handle C99 constructs.
61 Don't restrict [*] declarators to C only.
62 (after_type_declarator, parm_declarator_starttypename,
63 parm_declarator_nostarttypename, notype_declarator,
64 direct_absdcl1): Use it.
65 * c-decl.c (build_array_declarator, set_array_declarator_type):
66 New functions. Warn that [*] isn't properly implemented; pedwarn
67 for [*] outside C99 mode if pedantic rather than giving a hard
69 (grokdeclarator): Handle static and type qualifiers in parameter
71 * c-tree.h (build_array_declarator, set_array_declarator_type):
73 * extend.texi (Attribute Syntax): Document attributes in parameter
76 2001-05-25 Mark Mitchell <mark@codesourcery.com>
78 * config/i386/i386.md: Make sure cmpstr peepholes do not
79 affect liveness information.
81 2001-05-24 Mark Mitchell <mark@codesourcery.com>
83 * c-typeck.c (digest_init): Issue error messages about
84 invalid constants, not warnings.
86 2001-05-24 Mark Mitchell <mark@codesourcery.com>
88 * invoke.texi (-fno-builtin): Document that this is always on
91 2001-05-24 Philip Blundell <philb@gnu.org>
93 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
96 2001-05-24 Philip Blundell <philb@gnu.org>
98 * config/arm/arm.c (output_return_instruction): Correctly handle
99 interworking and interrupt functions.
101 2001-05-24 Philip Blundell <philb@gnu.org>
103 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
104 -m{no-}sched-prolog. Fix typos and improve formatting.
106 2001-05-24 Philip Blundell <philb@gnu.org>
108 * invoke.texi (ARM Options): Improve wording slightly. Add
109 documentation for more options, including those for Thumb mode.
110 Don't mention options that don't exist or are unimplemented.
111 (Thumb Options): Delete; merged into above section.
113 2001-05-24 Geoff Keating <geoffk@redhat.com>
115 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
116 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
118 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
120 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
121 fix hard register simplification.
123 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
125 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
126 of just copying CPP_CPU_SPEC.
128 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
130 * i386.c (incdec_operand): Accept only 1 and -1.
132 2001-05-23 Kelley Cook <kelley.cook@home.com>
134 * Makefile.in: Move many of the *_H definitions eariler in the
135 file, so that rules in t-* files that use them for
136 dependencies will work in a parallel build.
137 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
139 2001-05-23 Richard Henderson <rth@redhat.com>
141 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
143 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
145 * cpp.texi: Update for handling of charconsts.
146 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
147 diagnostics. Skip to the end if the UCS is too short.
148 (cpp_interpret_charconst): Long charconsts issue a warning
151 2001-05-23 Richard Henderson <rth@redhat.com>
153 * doc/install.texi (alpha-linux): Require binutils 2.11.
155 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
157 * c-lex.c (read_escape, read_ucs): Delete.
158 (lex_string): Use cpp_parse_escape.
159 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
160 if not C++ or not C99. Warn if traditional.
161 (parse_escape): Rename cpp_parse_escape. Make the bitmask
162 unsigned. Warn for out-of-range escape sequences here.
163 Update to use maybe_read_ucs.
164 (cpp_interpret_charconst): Don't warn here.
165 * cpplib.h (cpp_parse_escape): New exported function.
167 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
169 * extend.texi (Attribute Syntax): Clarify application of
170 attributes to parameters declared as functions or arrays.
172 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
174 * dbxout.c (dbxout_type_methods): Do still group methods by name.
176 2001-05-23 Zack Weinberg <zackw@stanford.edu>
178 * diagnostic.c (vnotice): Kill.
179 (fnotice): Call vfprintf directly.
180 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
181 verbatim, set_diagnostic_context): Rename string argument to
182 indicate that it is run through gettext.
183 (vbuild_message_string, build_message_string, output_do_printf):
184 Rename string argument to indicate that it is NOT run through
186 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
187 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
188 Run msgid argument through gettext.
189 (default_print_error_function): Run constant strings through
190 gettext when nothing else will.
191 (fatal_error, internal_error, error_recursion): Use fnotice.
192 Present complete sentences to gettext.
194 2001-05-23 Mark Mitchell <mark@codesourcery.com>
196 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
198 2001-05-23 Richard Henderson <rth@redhat.com>
200 * function.c (expand_function_start): Always use a pseudo
201 for the function result value.
203 2001-05-22 Richard Henderson <rth@redhat.com>
205 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
206 section pointer alignment.
208 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
210 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
211 of __USER_LABEL_PREFIX__.
213 2001-05-22 Richard Henderson <rth@redhat.com>
215 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
216 (__deregister_frame_info_bases): New.
217 * unwind-dw2-fde.h: Declare it.
218 * libgcc-std.ver: Export it.
219 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
220 called __register_frame_info_bases.
222 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
224 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
225 instead of #elif (which is OK for this case but not in general).
227 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
229 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
230 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
231 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
232 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
233 "r2" to the assembly file. Only issue allocs with non-zero parameters.
235 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
236 David O'Brien <obrien@freebsd.org>
238 * config/freebsd.h (LIB_SPEC): Key the exact setting to
239 configure-time options and target version of FreeBSD. Set-up
240 to match architectural change in threading support. Correctly
241 report when -pthread option is not supported by configure-time
243 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
244 and extend to encode target version number in run-time setting
245 of __FreeBSD__ macro to match the system compiler.
246 (CPP_PREDEFINES): Likewise.
247 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
249 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
250 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
252 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
253 David O'Brien <obrien@freebsd.org>
255 * config.gcc (the unlabeled system switch statement): Add
256 generic configuration section to handle *-*-freebsd*. Also,
257 to match the system compiler, default to threading support (it
258 may be disabled with the standard --disable-threads
259 configuration-time switch).
260 (i[34567]86-*-freebsd* in machine-specific section): Use it.
261 (alpha*-*-freebsd* in machine-specific section): Likewise.
263 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
264 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
265 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
266 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
267 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
269 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
270 David O'Brien <obrien@freebsd.org>
272 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
273 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
274 -pthread instead setting macro.
276 2001-05-22 Richard Henderson <rth@redhat.com>
278 * crtstuff.c (__register_frame_info_bases): Declare.
279 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
280 (__do_global_dtors_aux, __do_global_dtors): Streamline.
282 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
283 (CRT_GET_RFIB_DATA): New.
284 * config/i386/sysv4.h: Likewise.
285 * config/i386/sco5.h: Likewise.
286 (ASM_PREFERRED_EH_DATA_FORMAT): New.
288 2001-05-22 Richard Henderson <rth@redhat.com>
290 * rtl.c (read_string): Break out from ...
291 (read_rtx): ... here.
293 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
295 * doc/install.texi (Specific): Remove a bogus and duplicate part
296 copied from the end of the document.
298 2001-05-22 Bernd Schmidt <bernds@redhat.com>
300 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
302 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
304 * install.texi: Remove obsolete information on SunOS as well as
305 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
306 (Installing GNU CC on the Sun): Remove section.
308 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
310 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
311 keep errno unchanged on success.
313 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
315 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
316 once for hexadecimal floats, whether or not they contain a decimal
317 point. Don't let the setting of pedantic otherwise affect the
318 parsing of hexadecimal floats.
320 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
322 * README.ACORN: Remove obsolete file.
324 2001-05-22 Jan Hubicka <jh@suse.cz>
326 * combine.c (gen_binary): Use swap_commutative_operands_p
327 (simplify_comparison): Likewise.
328 * expmed.c (emit_store_flag): Likewise.
329 * expr.c (compare_from_rtx): Likewise.
330 (do_compare_rtx_and_jump): Likewise.
331 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
332 if not emitting a branch and operands want swapping.
334 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
336 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
337 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
338 (maybe_get_identifier): Update.
339 * tree.h (make_identifier): Delete.
341 2001-05-21 Richard Henderson <rth@redhat.com>
343 * combine.c (subst): Do not substitute for a register as
344 a destination subreg/strict_low_part/zero_extract.
346 * combine.c (simplify_comparison): Update op1 after constant
348 * recog.c (const_int_operand): Accept only constants valid
350 * genrecog.c: Update comments wrt const_int_operand.
352 * emit-rtl.c (init_emit_once): Zero unused memory in a
355 2001-05-21 Mark Mitchell <mark@codesourcery.com>
357 * tree.h (type_num_arguments): Declare it.
358 * tree.c (type_num_arguments): New function.
360 2001-05-21 Richard Henderson <rth@redhat.com>
362 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
365 2001-05-21 Geoff Keating <geoffk@redhat.com>
367 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
369 (minsf3): Use rs6000_emit_minmax.
370 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
372 (movsfcc): Use rs6000_emit_cmove.
373 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
374 Don't generate emit_fselsfsf4.
375 (fseldfsf4): Likewise.
376 (maxdf3): Use rs6000_emit_minmax.
378 (mindf3): Use rs6000_emit_minmax.
379 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
381 (movdfcc): Use rs6000_emit_cmove.
382 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
383 Don't generate emit_fselsfsf4.
384 (fselsfdf4): Likewise.
385 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
386 (min_max_operator): New predicate.
387 (rs6000_emit_cmove): New function.
388 (rs6000_emit_minmax): New function.
389 * config/rs6000/rs6000-protos.h: Prototype new functions.
390 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
391 and min_max_operator.
393 * config/rs6000/rs6000.c (output_cbranch): Handle all
394 conditional types in the switch statement.
396 2001-05-21 Mark Mitchell <mark@codesourcery.com>
398 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
399 non-register variables.
400 * extend.texi: Document that asm-specifications do not make sense
401 for non-static local variables.
403 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
405 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
406 (dbxout_type_fields): Lose minimal_debug support.
407 (dbxout_type_methods, dbxout_type): Likewise.
409 2001-05-17 Andrew Haley <aph@redhat.com>
411 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
413 2001-05-21 Richard Henderson <rth@redhat.com>
415 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
418 2001-05-20 Richard Henderson <rth@redhat.com>
420 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
421 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
422 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
423 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
424 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
426 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
427 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
428 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
429 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
430 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
431 DEBUG_PUBNAMES_SECTION): Rename as above.
432 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
434 2001-05-20 Richard Henderson <rth@redhat.com>
436 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
437 operands unless the operation is commutative.
439 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
441 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
444 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
446 * extend.texi: Clarify documentation of extensions included in ISO
447 C99. Prefer C99 terminology and syntax to old GNU terminology and
448 syntax. Add more index entries. Document mixed declarations and
449 code as an extension in C89 mode. Warn about future changes to
450 semantics of inline functions. Fixes PR other/930.
452 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
454 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
455 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
456 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
457 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
459 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
461 2001-05-20 Richard Henderson <rth@redhat.com>
463 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
464 to be output before a branch.
466 2001-05-20 Richard Henderson <rth@redhat.com>
468 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
470 2001-05-20 Richard Henderson <rth@redhat.com>
472 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
473 (ASM_DOUBLE): Remove.
474 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
475 * config/i386/sun386.h: Likewise.
477 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
478 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
480 * config/i386/cygwin.h (INT_ASM_OP): Remove.
481 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
482 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
483 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
485 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
486 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
487 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
488 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
489 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
490 * config/i386/win32.h: Likewise.
492 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
494 * invoke.texi: Add more options to summary list.
496 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
498 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
499 used. Fixes PR c/2291.
502 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
504 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
505 the -fpic and -fPIC options, clear flag_pic.
507 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
509 * hashtable.c (calc_hash): Fix HASHSTEP definition.
510 * stringpool.c (make_identifier): No statistics here anymore.
511 * objc-act.c (steup_string_decl): Remove redundant check.
513 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
515 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
516 cpplib.o, cpphash.o, fix-header): Update.
517 (hashtable.o): New target.
518 * c-common.h: Include cpplib.h. Define C_RID_CODE and
519 struct c_common_identifier here.
520 * c-lang.c (c_init_options): Update. Call set_identifier_size.
521 * c-lex.c (c_lex): Update.
522 * c-pragma.h: Update.
523 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
525 (C_RID_CODE): Delete.
526 * cpphash.c: Rewrite to use hashtable.c.
527 * cpphash.h: Update include guards.
528 (struct cpp_reader): Remove hashtab.
529 hash_ob and buffer_ob are no longer pointers. Add hash_table
531 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
532 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
533 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
534 * cppinit.c (cpp_create_reader): Update.
535 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
536 (cpp_interpret_charconst): Eliminate warning.
537 * cpplib.c (do_pragma, do_endif, push_conditional,
538 cpp_push_buffer, cpp_pop_buffer): Update.
539 (_cpp_init_stacks): Rename cpp_init_directives.
540 (_cpp_cleanup_stacks): Remove.
541 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
542 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
543 cpp_forall_identifiers, cpp_create_reader): Update.
544 (C_RID_CODE, cpp_make_node): New.
545 (c_common_identifier): New identifier node for C front ends.
546 * cppmain.c (main): Update.
547 * fix-header.c (read_scan_file): Update.
548 * flags.h (id_clash_len): Make unsigned.
549 * ggc.h (ggc_mark_nonnull_tree): New.
552 * stringpool.c: Update comments and copyright. Update to use
554 * toplev.c (approx_sqrt): Move to hashtable.c.
555 (id_clash_len): Make unsigned.
556 * toplev.h (ident_hash): New.
557 * tree.c (gcc_obstack_init): Move to hashtable.c.
558 * tree.h: Include hashtable.h.
559 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
560 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
561 (struct tree_identifier): Update.
562 (make_identifier): New.
564 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
565 (C_RID_CODE): Remove.
566 * lex.c (cxx_init_options): Call set_identifier_size. Update.
567 (init_parse): Don't do it here.
569 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
571 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
573 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
575 (expand_eh_return): Convert between word_mode and Pmode.
576 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
578 (execute_stack_op): Likewise.
579 (execute_cfa_program): Likewise.
580 (uw_frame_state_for): Likewise.
581 (uw_update_context_1): Likewise.
582 * unwind.inc (_Unwind_Reason_Code): Likewise.
583 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
584 (EH_RETURN_STACKADJ_RTX): Likewise.
585 * config/mips/mips.c (compute_frame_size): Make space for saving
587 (mips_expand_epilogue): Handle EH stack adjustments.
588 * config/mips/mips.md (eh_return): New pattern.
589 (eh_set_lr_si): Likewise.
590 (eh_set_lr_di): Likewise.
591 Add splitter to perform EH return after reload.
593 2001-05-19 Mark Mitchell <mark@codesourcery.com>
595 * jump.c (mark_jump_label): Tidy previous change.
597 2001-05-19 Bruce Korb <bkorb@gnu.org>
599 * fixinc/genfixes: no need for two warnings
600 * fixinc/Makefile.in: open stdin for those building with a closed one.
602 2001-05-19 Mark Mitchell <mark@codesourcery.com>
604 * jump.c (jump_optimize_1): Tidy.
605 (mark_jump_label): When changing the label in a LABEL_REF, change
606 update any REG_EQUAL notes as well.
608 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
610 * c-parse.in (parm_declarator): Split into
611 parm_declarator_starttypename and parm_declarator_nostarttypename.
612 (parm_declarator_starttypename, parm_declarator_nostarttypename):
613 New. Allow parenthesised sub-declarators which don't begin with a
614 TYPENAME. Fixes PR c/166.
616 2001-05-19 Mark Mitchell <mark@codesourcery.com>
618 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
620 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
622 * toplev.c (main): If the target does not allow profiling without
623 a frame pointer, issue an error message.
624 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
627 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
629 * recog.c (general_operand): Modify last change to allow it if reload
632 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
634 * recog.c (general_operand): Prohibit nonzero subreg bytes on
635 subregs containing mem.
637 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
639 * regrename.c (regrename_optimize): frame pointer register can
642 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
644 * README.DWARF: Move into dwarfout.c.
646 2001-05-18 Dale Johannesen <dalej@apple.com>
648 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
649 specific misuse of r0 as a reload address.
651 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
653 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
656 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
658 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
659 (add_to_sequence): Make that decision type.
660 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
661 (write_switch, write_cond, debug_decision_2): Likewise.
663 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
665 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
668 2001-05-18 Stan Shebs <shebs@apple.com>
670 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
671 * configure: Regenerate.
673 2001-05-18 Per Bothner <per@bothner.com>
675 Changes needed for java/jvspec.c
676 * gcc.h (n_infiles, outfiles): Add declarations.
677 * gcc.c (n_infiles, outfiles): Mske no longer static.
679 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
681 * config/pa/som.h (EXCEPTION_SECTION): Define.
683 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
685 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
687 Add have_location_lists, a variable to determine whether we need a
688 .debug_loc section or not.
689 (enum dw_val_class): Add dw_val_class_loc_list.
690 (dw_val_struct): Add val_loc_list.
691 (dw_loc_list_struct): New structure, represents location lists.
692 (new_loc_list): New function, return a new location list, given
693 the range and location expression.
694 (add_loc_descr_to_loc_list): New function, add a location
695 expression to a location list, given the expression and range.
696 (output_loc_list): New function, output a location list.
697 (gen_internal_sym): Modified to take symbol prefix, so we can
698 reuse it for location list symbols.
699 (add_AT_loc_list): New function, add a location list to a DIE at
701 (AT_loc_list): New function, return the location list reference
702 for a given attribute, if it's a location list.
703 (print_die): Handle dw_val_class_loc_list.
704 (size_of_die): Ditto.
705 (value_format): Ditto.
707 (output_location_lists): New function, output all of the location
708 lists for a DIE and it's children.
709 (dwarf2out_finish): Call output_location_lists if we have location
713 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
715 * gcse.c (try_replace_reg): First try global replace, later try to
716 simplify the expression.
718 * gcse.c (find_used_regs): Change calling convention; work via
720 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
722 2001-05-18 Bernd Schmidt <bernds@redhat.com>
725 2001-02-09 Nick Clifton <nickc@redhat.com>
726 * config/arm/arm.md: Change output constraint on post inc
727 load/store multiple patterns to be a read/write constraint.
729 2001-05-18 Mark Mitchell <mark@codesourcery.com>
731 * basic-block.h (struct basic_block_def): Add documentation about
732 what a basic block is, and what the various fields are used for.
733 * flow.c (calculate_globlal_regs_live): Add documentation about
734 how the algorithm works, and how we know that it will terminate.
735 Check that the the inductive assumption that guarantees
736 termination actually holds.
737 (mark_used_regs): Treat conditionally set registers as used.
738 (debug_regset): Add comment.
739 * rtl.texi (cond_exec): Add documentation.
741 * function.c (expand_function_start): Avoid creating BLKmode
744 2001-05-17 Mark Mitchell <mark@codesourcery.com>
746 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
747 DIE, even if it has no children.
748 (dwarf2out_finish): Always output the line-number table, even if
751 2001-05-18 David Edelsohn <edelsohn@gnu.org>
753 * rs6000.md (movsfcc,movdfcc): Remove NE case.
755 2001-05-17 Bruce Korb <bkorb@gnu.org>
757 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
758 * fixinc/genfixes: emit a warning if AutoGen is out of date
760 2001-05-17 Brendan Conoboy <blc@cygnus.com>
761 Bruce Korb <bkorb@gnu.org>
763 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
764 found in fixinc directory. Facilitates binary distributions.
766 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
768 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
771 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
773 * dwarf2out.c (modified_type_die): Equate qualified type to die.
775 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
777 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
778 (simplify_subreg): Handle complex types represented as CONCAT.
780 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
781 * rtl.h (swap_commutative_operands_p): Declare.
782 * rtlanal.c (swap_commutative_operands_p): New.
783 (operand_preference): New static function.
785 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
786 (gen_binary): Likewise.
787 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
788 * simplify-rtx.c (simplify_gen_binary,
789 simplify_gen_relational): Likewise.
791 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
793 * cse.c (fold_rtx): Use simplify_subreg.
795 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
796 (simplify_gen_subreg): New.
797 (simplify_rtx): Use simplify_subreg.
798 * rtl.h (simplify_gen_subreg): Declare.
800 2001-05-17 Mark Mitchell <mark@codesourcery.com>
802 * doc/install.texi: Update Solaris information.
804 * except.h (protect_cleanup_actions): Remove it.
805 (lang_protect_cleanup_actions): Declare it.
806 * except.c (protect_cleanup_actions): Remove it.
807 (lang_protect_cleanup_actions): New variable.
808 (init_eh): Don't make protect_cleanup_actions a GC root.
809 (expand_eh_region_and_cleanup): Call
810 lang_protect_cleanup_actions.
811 (output_function_exception_table): Remove unused `align'
813 * varasm.c (assemble_external): Abort if we have not yet
814 opened the assembly output file.
816 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
818 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
819 for eh_personality_libfunc.
821 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
823 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
824 when calling simplify_subreg. This is needed to allow replacing
825 of expression of one mode by expression of different mode.
827 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
829 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
831 2001-05-17 Bernd Schmidt <bernds@redhat.com>
833 * expr.c (protect_from_queue): Protect against subsequent calls to
835 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
838 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
840 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
842 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
844 * gccbug.in (CATEGORIES): Add "bootstrap".
846 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
848 * simplify-rtx.c (simplify_subreg): Break out from ...
849 * combine.c (combine_splify_rtx) ... here and ...
850 * recog.c (validate_replace_rtx_1): ... here;
851 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
852 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
853 (subreg_lowpart_p): ... here.
855 2001-05-17 Bernd Schmidt <bernds@redhat.com>
857 * stmt.c (expand_asm_operands): For inout operands, make sure
858 the substitution of '=' for '+' makes it into the rtl.
860 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
861 (reload_as_needed): Call update_eliminable_offsets a bit later.
863 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
865 * gcc.texi (gccbug): Refer to the web pages for detailed information
868 2001-05-16 Zack Weinberg <zackw@stanford.edu>
870 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
872 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
873 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
874 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
875 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
876 * cross-make: Don't set LIBGCC1.
877 * mklibgcc.in: Delete all code for building from libgcc1.c.
878 Always honor LIB1ASMFUNCS if set.
880 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
881 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
882 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
883 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
884 config/i386/uwin.asm, config/m68hc11/larith.asm,
885 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
886 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
887 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
888 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
889 Delete or update references to libgcc1 in commentary.
891 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
892 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
893 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
894 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
895 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
896 config/arm/t-semi, config/arm/t-strongarm-coff,
897 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
898 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
899 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
900 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
901 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
902 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
903 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
904 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
905 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
906 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
907 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
908 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
909 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
910 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
911 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
912 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
913 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
914 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
915 config/mips/t-ultrix, config/mn10200/t-mn10200,
916 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
917 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
918 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
919 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
920 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
921 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
922 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
923 config/sparc/t-sparclite, config/sparc/t-splet,
924 config/sparc/t-sunos41, config/sparc/t-vxsparc,
925 config/sparc/t-vxsparc64, config/v850/t-v850:
926 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
928 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
929 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
930 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
931 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
932 nongcc_SI_type, nongcc_word_type, or perform_*
933 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
935 * config/i386/386bsd.h, config/i386/beos-elf.h,
936 config/i386/linux-aout.h, config/i386/linux-oldld.h,
937 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
938 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
939 Don't include i386/perform.h.
941 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
942 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
943 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
944 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
945 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
946 config/vax/t-openbsd, config/vax/t-vax: Delete.
948 * config.gcc: Remove references to deleted files.
949 (arm-semi-aof): Use arm/t-semi for tmake_file.
951 * gcc.texi, install.texi, invoke.texi, tm.texi:
952 Delete or rewrite text which is no longer relevant now that
953 libgcc1 no longer exists.
955 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
956 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
958 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
959 Bruce Korb <bkorb@gnu.org>
961 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
964 2001-05-16 Zack Weinberg <zackw@stanford.edu>
966 * i386.md: Add two peepholes to clean up code generated by
969 2001-05-16 Richard Henderson <rth@redhat.com>
971 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
972 variants of non-absolute encodings.
974 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
976 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
977 __register_frame_info_table_bases): Export.
979 2001-05-16 Richard Henderson <rth@redhat.com>
981 * except.c (eh_data_format_name): Move to ...
982 * dwarf2asm.c: ... here. Use designated initializers if available.
983 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
984 * dwarf2asm.h: Update declarations.
985 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
986 ASM_PREFERRED_EH_DATA_FORMAT.
987 (output_call_frame_info): Likewise. Use 'L' augmentation for
990 * unwind-dw2-fde.h (struct fde_vector): New.
991 (struct old_object): Rename from struct object.
992 (struct object): New.
993 (__register_frame_info_bases): Declare.
994 (__register_frame_info_table_bases): Declare.
995 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
996 * unwind-dw2-fde.c (objects): Remove.
997 (unseen_objects, seen_objects): New.
998 (__register_frame_info_bases): New.
999 (__register_frame_info): Use it.
1000 (__register_frame_info_table_bases): New.
1001 (__register_frame_info_table): Use it.
1002 (__deregister_frame_info): Rewrite for changed object struct.
1003 (base_from_object, get_cie_encoding, get_fde_encoding): New.
1004 (fde_unencoded_compare): Rename from fde_compare; uninline.
1005 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
1006 (start_fde_sort): Adjust for new definition of fde_vector.
1007 (fde_insert): Likewise.
1008 (end_fde_sort): Likewise. Select comparison function based
1009 on properties of the object.
1010 (fde_split): Take object and fde_compare_t arguments.
1011 (frame_heapsort, fde_merge): Likewise.
1012 (classify_object_over_fdes): Rename from count_fdes. Handle
1013 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
1015 (add_fdes): Handle encoded pointers.
1016 (init_object): Rename from frame_init. Update for new struct object.
1017 (linear_search_fdes): Rename from search_fdes. Handle encoded
1019 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
1020 (binary_search_single_encoding_fdes): New.
1021 (binary_search_mixed_encoding_fdes): New.
1022 (search_object): New.
1023 (_Unwind_Find_FDE): Update for new struct object. Fill in
1025 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
1026 iterating over EH data.
1027 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
1028 fde_encoding, lsda_encoding.
1029 (read_uleb128, read_sleb128): Remove.
1030 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1031 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1032 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1034 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1036 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1038 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1039 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1040 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1041 cpp_spell_token, cpp_output_token): Similarly.
1042 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1043 do_pragma_poison, parse_assertion, do_assert): Similarly.
1044 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1045 save_parameter, _cpp_create_definition, check_trad_stringification,
1046 cpp_macro_definition): Similarly.
1047 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1048 * c-lex.c (cb_undef, c_lex): Similarly.
1049 * fix-header.c (recognized_function): Similarly.
1050 * cpplib.h (NODE_LEN, NODE_NAME): New.
1051 (cpp_hashnode): Rename length len.
1053 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1055 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1058 2001-05-16 Andreas Jaeger <aj@suse.de>
1060 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1062 * toplev.c: Include dwarf2asm.h for prototype of
1063 dw2_output_indirect_constants.
1065 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1067 * stmt.c (expand_asm_operands): Be able to offload addressof
1068 expression to memory. (PR optimization/185)
1070 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1072 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1073 applying distributive law.
1075 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1077 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1079 * gthr-dce.h (UNUSED): Attribute unused macro.
1080 (__gthread_key_dtor): Make arguments UNUSED.
1081 (__gthread_key_delete): Revise for compatibility with DRAFT4
1084 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1086 * doc/install.texi: Update AIX information.
1087 * README.RS6000: Remove obsolete file.
1089 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1090 Nathan Sidwell <nathan@codesourcery.com>
1092 * gcc.c (give_switch): Don't write before start of string.
1093 Always append suffix.
1095 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1097 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1100 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1102 * README.ALTOS: Remove obsolete file.
1104 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1106 * c-lex.h (save_and_forget_protocol_qualifiers,
1107 forget_protocol_qualifiers, remember_protocol_qualifiers):
1108 Remove deleted functions' prototypes.
1110 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1112 * c-parse.in (methodtype): New production.
1113 (methoddef, methodproto): Collapse separate '-' and '+'
1116 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1118 * c-common.h (RID_FIRST_PQ): New.
1119 * c-parse.in (objc_pq_context): New.
1120 (objc parser): Set objc_pq_context rather than calling
1121 remember_protocol_qualifiers and forget_protocol_qualifiers.
1122 Don't call save_and_forget_protocol_qualifiers.
1123 (yylexname): Handle objc protocol qualifiers here.
1124 * stringpool.c (struct str_header): Replace with sp_hashnode.
1125 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1126 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1127 Allocate an IDENTIFIER_NODE for each identifier.
1128 (FORALL_STRINGS, set_identifier): Delete.
1129 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1130 (ggc_alloc_string): Use an obstack.
1131 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1132 * tree.h: Update comments.
1133 (set_identifier): Delete.
1134 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1135 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1136 remember_protocol_qualifiers): Delete.
1138 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1140 * flow.c (life_analysis): After life analysis is complete, do
1141 an optional scan over insns looking for REG_LABEL notes that
1142 reference a deleted label.
1143 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1144 before peeking at LABEL_NUSES.
1146 2001-05-15 Richard Henderson <rth@redhat.com>
1148 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1149 (_Unwind_GetTextRelBase): New.
1151 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1153 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1155 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1157 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1158 so that CHOOSE_SECTION gets used.
1160 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1161 TARGET_RELOCATABLE like flag_pic for now.
1163 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1165 * rs6000.md (movdi splitter): Sign extend more efficiently.
1166 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1167 to "long long" valid on 32-bit and 64-bit hosts.
1168 (logical_operand): Cast trunc_int_for_mode return value.
1169 (rs6000_emit_move): Shift macro to encapsulate variable.
1170 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1171 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1172 plus_constant requires signed argument.
1174 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1176 * gthr-posix.h: Make additional pthread-* functions weak.
1178 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1180 * recog.c (apply_change_group): Avoid unneeded validating.
1182 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1184 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1185 (num_insns_constant): CONST_INT can be 64-bits.
1187 2001-05-14 Stan Shebs <shebs@apple.com>
1189 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1190 (LIBGCC_SPEC): Don't define.
1192 2001-05-14 Richard Henderson <rth@redhat.com>
1194 * configure.in (gcc_cv_as_eh_frame): New test.
1195 * config.in, configure: Rebuild.
1196 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1198 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1200 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1201 extended precision divide.
1203 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1205 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1206 for RETURNS as well.
1208 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1210 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1211 (CPP_CPU??_SIZE_TYPE): New.
1212 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1213 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1214 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1215 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1217 * i386.c (override_options): Add sorry about not suported modes.
1219 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1221 * config/pa/som.h (NM_FLAGS): Remove.
1222 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1223 (ASM_OUTPUT_SECTION_NAME): Remove.
1224 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1226 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1228 * regrename.c (regrename_optimize): Do not rename registers to
1231 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1233 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1234 contain MEMs. Remove useless distinction about clobbering
1237 2001-05-13 Geoff Keating <geoffk@redhat.com>
1239 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1240 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1241 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1242 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1243 (EXCEPTION_SECTION): Define.
1245 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1247 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1248 binary backward compat only.
1249 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1250 in LIB2FUNCS. Pass it to mklibgcc.
1251 * mklibgcc.in: Handle LIB2FUNCS_ST.
1253 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1255 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1257 * tm.texi (THREAD_MODEL_SPEC): Document it.
1258 * gcc.c (main): Use it.
1259 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1260 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1262 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1264 * rtl.h (SYMBOL_REF_WEAK): New macro.
1265 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1266 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1267 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1268 * gcc.texi: Remove wrong description.
1270 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1272 * Makefile.in (STAMP): New macro.
1273 Replace all uses of `touch' with $(STAMP).
1274 * fixinc/Makefile.in: Likewise.
1276 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1278 * configure.in: ldopen is never in -lexc, so don't test for it.
1279 Add test for exc_resume in -lexc for Ada.
1280 * configure: Regenerated.
1282 2001-05-12 Richard Henderson <rth@redhat.com>
1284 * dwarf2asm.c (size_of_encoded_value): New function.
1285 * dwarf2asm.h: Declare it.
1286 * except.c (output_function_exception_table): Align the TType
1287 array only as wide as the encoding.
1289 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1291 * extend.texi: Document #pragma GCC java_exceptions.
1293 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1295 * c-parse.in (bison parser, init_reswords): Remove uses of
1297 * c-tree.h (doing_objc_thang): Remove.
1299 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1301 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1302 about files not ending in newlines.
1304 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1306 * dwarfout.c (dwarfout_init): Add cast.
1307 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1308 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1310 * method.c (build_mangled_C99_name): Remove unused prototype.
1312 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1314 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1316 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1318 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1319 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1321 2001-05-11 Richard Henderson <rth@redhat.com>
1323 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1324 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1325 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1326 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1327 (dw2_output_indirect_constants): Prototype.
1328 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1329 current_function_func_begin_label if we'll need it for EH. Exit
1330 early for IA64_UNWIND_INFO.
1331 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1332 (eh_data_format_name): Update for indirect references.
1333 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1334 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1335 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1336 define HAVE_eh_return etc.
1337 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1338 (final_end_function): Don't call output_function_exception_table.
1339 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1340 (rest_of_compilation): Invoke output_function_exception_table
1341 for ia64 before assemble_end_function.
1342 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1343 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1345 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1346 * unwind.h: Declare them.
1347 * libgcc-std.ver: Export them.
1348 * unwind-pe.h: New file.
1350 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1352 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1354 (find_fde_for_dso): Extract DT_PLTGOT.
1355 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1356 the segment and gp as well.
1357 * config/ia64/frame-ia64.c: Remove file.
1358 * config/ia64/frame-ia64.h: Remove file.
1359 * config/ia64/unwind-ia64.c: New file.
1360 * config/ia64/unwind-ia64.h: New file.
1361 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1362 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1363 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1364 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1365 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1366 (IA64_UNWIND_INFO): Re-enable.
1367 (HANDLER_SECTION): Remove.
1368 (EH_RETURN_DATA_REGNO): New.
1369 * config/ia64/ia64.md (exception_receiver): Remove.
1370 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1371 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1373 2001-05-11 Richard Henderson <rth@redhat.com>
1375 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1376 calls and jumps to be bundled together.
1377 (ia64_reorg): Emit a break after a noreturn call that ends
1379 * config/ia64/ia64.md (break_f): New.
1381 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1383 * c-lex.c (lex_charconst): Convert into a simple wrapper
1384 around cpp_interpret_charconst, to which most of the code
1386 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1387 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1388 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1389 (lex): Use cpp_interpret_charconst.
1390 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1391 hex_digit_value): New functions.
1392 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1393 * cpplib.h (cpp_interpret_charconst): New prototype.
1394 * Makefile.in: Update.
1396 2001-05-12 Dean Wakerley <dean@wakerley.com>
1398 * doc/install.texi: New file. Converted to texinfo from the HTML
1399 documentation in wwwdocs/htdocs/install.
1401 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1403 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1404 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1406 * toplev.c (compile_file): Move comment for opening output
1407 file to just before the code that opens the output file.
1409 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1411 * regmove.c (regmove_optimize): Suppress the optimization for
1412 unchanging destination register. Add comment above function.
1414 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1416 * Makefile.in: Exterminate all references to assert.h.
1417 * cross-make: Likewise.
1419 * configure.in: Correct commentary.
1420 * configure: Regenerate.
1422 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1425 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1426 config/t-netbsd, config/t-rtems, config/x-linux,
1427 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1428 No need to override INSTALL_ASSERT_H.
1430 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1431 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1432 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1434 2001-05-11 Graham Stott <grahams@redhat.com>
1436 * combine.c (simplify_comparison): Fix typo.
1438 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1440 * loop.h (struct movables): Remove `num'.
1441 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1442 Adjust call to strength_reduce.
1443 (num_unmoved_movables): New function.
1444 (move_movables): Don't set movables->num.
1445 (strength_reduce): Compute the number of instructions in the loop
1446 here, rather than in the caller.
1447 (check_dbra_loop): Always clear reversible_mem_store if there
1448 are any memory sets.
1449 (loop_regs_scan): Don't count instructions here.
1450 (count_insn_in_loop): New function.
1452 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1454 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1456 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1458 * c-common.c (finish_label_expr): New function, lifted from
1459 from cp/semantics.c.
1460 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1461 * c-parse.in: Move 3 blocks of parser code into new functions.
1462 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1463 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1464 (lookup_label): Remove.
1466 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1468 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1469 FLOAT_BIT_ORDER_MISMATCH.
1471 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1473 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1474 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1476 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1478 * expr.c (emit_group_load): extract_bit_field requires a REG or
1481 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1483 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1484 a computed jump into an unconditional jump.
1485 In second hunk of code for collapsing computed and conditional jumps
1486 into unconditional jumps, reemit the jump in additional cases.
1488 * jump.c (jump_optimize_1): Do not wrap the new jump target
1489 inside a LABEL_REF; gen_jump will do that automatically.
1491 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1493 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1494 contents for a SYMBOL_REF in case of floating point constants.
1496 2001-05-10 DJ Delorie <dj@redhat.com>
1498 * c-common.c (combine_strings): Widen strings in a
1499 host-endian-independent way.
1501 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1503 * c-parse.in: Remove many shift/reduce conflicts. Update
1505 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1506 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1507 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1508 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1509 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1510 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1511 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1512 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1513 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1514 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1515 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1516 typespec_reserved_nonattr, typespec_reserved_attr,
1517 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1518 structsp_nonattr, components_notype, component_notype_declarator,
1519 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1520 firstparm, setspecs_fp): New
1521 (typed_declspecs, reserved_declspecs, typed_typespecs,
1522 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1523 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1524 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1525 type_quals): Remove. Users updated.
1526 (initdecls, notype_initdecls, after_type_declarator,
1527 parm_declarator, notype_declarator, absdcl1, components, ivars):
1528 Don't allow attributes at the start of a declarator; include them
1529 in the production containing the declarator instead. Always
1530 require type specifiers before trying to redeclare a typedef name.
1531 (typename): Allow for attributes but warn that they are ignored.
1532 (parmlist, firstparm, setspecs_fp): Include attributes in
1533 parmlist; suck them off the parser stack in firstparm using
1536 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1538 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1539 to determine if a block has an unconditional jump at its end.
1541 * jump.c (jump_optimize_1): When converting a conditional jump
1542 to an unconditional jump, build the jump using gen_jump instead
1543 of just modify operands in-place.
1545 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1547 * cppinit.c (cpp_post_options): Shut off macro expansion if
1549 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1550 IN_I directives only if the # is in column 1 and the directive
1551 name begins in column 2.
1552 * cppmain.c (scan_buffer): Insert a space between # and an
1553 identifier, when that identifier is a directive name.
1555 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1556 in the header search path.
1557 (enum node_type): Add T_INCLUDE_NEXT.
1558 (directive_table): Add entry for include_next.
1559 (do_include_next): New function.
1560 (process_include): New routine, broken out of do_include.
1561 (finclude): Insert 'nhd' argument, to be copied into
1562 next_header_dir of the new buffer.
1563 (main): Adjust to match.
1564 * gsyslimits.h, limity.h: Un-indent #include_next.
1566 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1568 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1569 inclusion as a chapter of the GCC manual.
1570 * gcc.texi: Include objc.texi.
1571 * fdl.texi: Use @unnumberedsec for the addendum.
1572 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1574 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1576 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1578 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1580 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1581 handling of two-address insns.
1583 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1585 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1586 ../binutils/nm-new instead of ../binutils/nm.
1588 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1590 * i386.md (movdi splitter): Fix the splitting condition
1591 (float_extenddftf splitter): Fix mode.
1593 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1595 * genrecog.c (write_switch): Avoid outputting of switch for
1596 types wider than int.
1598 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1600 * reload1.c (copy_eh_notes): New function.
1601 (emit_input_reload_insns): Call it.
1602 (emit_output_reload_insns): Call it.
1604 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1606 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1608 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1609 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1611 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1613 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1615 * pa.md (interspace_jump): Revise comment.
1616 (builtin_longjmp): Block initial setup insns from delay slot of
1618 (builtin_setjmp_receiver): New expander to save and restore PIC
1621 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1623 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1625 * toplev.c (compile_file): Set up the output file before we call
1626 the various initializers for the compiler.
1628 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1629 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1631 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1632 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1634 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1636 * Makefile.in (tradcpp0): Correct typo in dependency list.
1638 2001-05-06 Geoff Keating <geoffk@redhat.com>
1640 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1641 the link register if we're not going to use it.
1643 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1644 (output_function_profiler): Likewise.
1646 2001-05-07 Alan Modra <amodra@one.net.au>
1648 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1650 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1652 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1653 zero-extend it. Make abs_inc unsigned.
1655 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1656 widest mode in narrowing and widening operations.
1658 * config/mips/mips.md: Sign extend CONST_INTs.
1660 2001-05-06 Andreas Jaeger <aj@suse.de>
1662 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1663 (i386 Options): Document -momit-leaf-frame-pointer.
1665 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1667 * c-typeck.c (internal_build_compound_expr): Check for
1668 array to pointer conversion just once.
1670 2001-05-05 Richard Henderson <rth@redhat.com>
1672 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1674 2001-05-05 Richard Henderson <rth@redhat.com>
1676 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1677 to the parent of the fixup region.
1679 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1681 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1683 * cpp.texi (__NO_INLINE): Document it.
1685 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1687 * cppfiles.c (struct include_file): New member err_no.
1688 (find_or_create_entry): Set it.
1689 (open_file): Don't set fds to -2. Instead, use err_no to
1690 remember previous errors, if any.
1692 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1694 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1695 between X and Y by using sequences of xgdx and xgdy.
1697 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1699 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1700 of '!' for the 'D' alternative ('!' is too strong).
1701 ("*logicalsi3_silshl16"): Likewise.
1702 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1703 ("movstrictsi"): Remove spurious '+'.
1704 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1705 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1706 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1709 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1711 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1713 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1715 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1718 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1720 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1723 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1725 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1726 soft register, use ror instead of rol.
1728 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1730 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1731 into account pre/post increment decrement for 68HC12.
1732 Fix other problems in replacement and fix call to reg_mentioned_p.
1734 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1736 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1737 Put the soft registers in bss for 68HC12.
1738 (L_regs_d3_4): New for _.d3 and _.d4.
1739 (L_regs_d5_6): Likewise.
1740 (L_regs_d1_2): Likewise.
1741 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1743 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1745 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1746 to the pre-processor when -fshort-double is specified.
1747 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1749 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1751 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1752 (__mulsi3): Rewrite for 68HC12.
1753 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1754 Mark 'x' constraint with earlyclobber to prevent a
1755 RELOAD_FOR_OTHER_ADDRESS to go in it.
1756 (mulhi3_m68hc12): New pattern.
1757 (mulhi3_m68hc11): Rename of mulhi3.
1758 (mulhi3): New expand for 68HC12 optimisation.
1759 (umulhisi3, mulhisi3): New patterns for 68HC12.
1761 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1763 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1764 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1765 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1767 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1769 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1770 constants cheap after reload.
1771 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1773 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1774 so that gcc prefers a shift by 16.
1775 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1777 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1779 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1781 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1783 * alpha.h: NULL_PTR -> NULL.
1790 * i386.md: Likewise.
1793 * m68hc11.h: Likewise.
1794 * rs6000.h: Likewise.
1797 * sparc.h: Likewise.
1801 * final.c: Likewise.
1803 * recog.c: Likewise.
1805 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1807 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1808 `bool' parameter to `int'.
1810 * hash.c (hash_lookup): Likewise.
1812 * hash.h (hash_lookup): Likewise.
1814 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1816 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1818 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1820 2001-05-03 Geoff Keating <geoffk@redhat.com>
1822 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1823 -malign-loops, -malign-functions.
1824 * i386.c (ix86_align_funcs): Delete.
1825 (ix86_align_loops): Delete.
1826 (ix86_align_jumps): Delete.
1827 (override_options): Mark -malign-* as obsolete. Emulate their
1828 behaviour with the -falign-* options. Default -falign-* from
1829 the processor table.
1830 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1831 patch of Wed May 2 13:09:36 2001.
1832 (LOOP_ALIGN): Delete.
1833 (LOOP_ALIGN_MAX_SKIP): Delete.
1834 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1835 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1837 2001-05-04 Andreas Jaeger <aj@suse.de>
1839 * except.h: Add prototype declaration for
1840 expand_builtin_init_dwarf_reg_sizes.
1842 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1844 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1846 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1848 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1850 ("bitcmpqi2"): New pattern for bit-extract and test.
1851 ("bitcmphi"): New pattern for bitb/bita instructions.
1853 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1855 * gccbug.in: Use a temporary directory when the mktemp command is
1858 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1860 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1862 (INITIALIZE_TRAMPOLINE): Call it.
1863 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1864 (TRAMPOLINE_TEMPLATE): Remove.
1865 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1866 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1869 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1871 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1872 and crtendS.o with PIC.
1874 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1876 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1878 (___subdi3, ___adddi3): Use x instead of y as index register.
1879 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1880 (__memset, __memcpy): Likewise.
1881 (regs): Put the soft registers in bss for 68HC12.
1882 (abort): Use trap to abort for 68hc12.
1883 (__mulhi3, __mulhi32): Use emul for 68hc12.
1884 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1886 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1888 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1889 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1890 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1891 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1892 Set 68HC12 min offset to -65536.
1893 (print_operand): Put parenthesis arround the operand if it refers
1894 to a symbol having the same name as a register.
1895 (m68hc11_z_replacement): When z register is replaced by its
1896 equivalent soft register, force the insn to be re-recognized.
1897 (m68hc11_check_z_replacement): Fix the test when destination is
1898 the index register and z dies in the insn.
1899 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1901 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1903 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1904 costs according to processor variant.
1905 (m68hc11_shift_cost): New function to compute shift costs.
1906 (m68hc11_rtx_costs): Define costs according to processor variant.
1907 (m6811_cost): Costs for 68HC11.
1908 (m6812_cost): Costs for 68HC12.
1909 (COSTS_N_INSNS): Remove.
1911 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1912 (DEFAULT_RTX_COSTS): Remove.
1913 (CONST_COSTS): Define costs according to OUTER_CODE.
1914 (processor_costs): New struct to define costs.
1915 (m68hc11_cost): Pointer to current costs.
1917 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1919 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1920 and use m68hc11_notice_keep_cc when using leax/leay.
1921 (addhi3 split): Reject split if the insn is handled by
1923 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1924 push must be handled in a special way if the source operand uses
1925 sp as index register.
1926 (m68hc11_notice_keep_cc): New function.
1927 (m68hc11_gen_movhi): Use it when an insn changes a register but
1929 (m68hc11_gen_movqi): Fix move for 68HC12.
1930 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1932 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1934 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1935 and don't pass operands[0] to emit_library_call_value.
1937 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1939 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1940 (zero_extendsi split): Simplify and use (zero_extendhi).
1941 (*addhi3): Remove 'w' constraint since stack pointer is handled
1943 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1944 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1945 (*ashrhi3_const): Fix shift by 7.
1946 (*lshrsi3_const16): Fix template.
1947 (call, call_value): Fix constraint and predicate.
1949 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1951 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1952 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1953 (CC_REGNUM): Likewise.
1954 (*unnamed splits): Use above constants instead of hard coded numbers.
1955 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1956 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1957 (*return_16bit, *unnamed peepholes): Likewise.
1959 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1961 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1962 rs6000/rs6000.h twice.
1964 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1966 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1967 (CPP_SPEC): Conditionally define MSDOS and GO32.
1968 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1969 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1971 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1973 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1975 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1977 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1979 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1980 * integrate.c (expand_inline_function): Use xcalloc to allocate
1982 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1985 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1987 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1990 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1992 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1993 linker if -mrelax is given.
1994 (TARGET_SWITCHES): Document -mrelax.
1996 Re-installed 2001-01-09's patch:
1997 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1998 if it's wider than long and the target's long is wider than the
2001 2001-05-02 David O'Brien <obrien@FreeBSD.org>
2003 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
2004 directly include rs6000/rs6000.h. Instead do it in tm.h.
2006 2001-05-02 Stan Shebs <shebs@apple.com>
2008 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
2009 NSConstantString for NeXT-style runtimes.
2010 (STRING_OBJECT_GLOBAL_NAME): New macro.
2011 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
2012 OCTI_STRING_CLASS_DECL.
2013 (constant_string_global_id): New macro.
2014 (string_class_decl): Ditto.
2015 (setup_string_decl): New function.
2016 (build_objc_string_object): Use it to build a NeXT runtime
2017 compatible string initializer.
2019 2001-05-02 Jakub Jelinek <jakub@redhat.com>
2021 * tradcpp.c (do_define): Make sure we don't walk past limit.
2023 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2025 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
2026 offsets if not REG_OK_STRICT.
2028 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
2029 (INT_REG_OK_FOR_INDEX_P): Likewise.
2030 (INT_REG_OK_FOR_BASE_P): Likewise.
2031 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2032 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2033 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2034 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2035 REG_OK_FOR_BASE_P. Take an additional parameter.
2036 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2037 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2038 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2039 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2040 rs6000_legitimate_address() and use it.
2041 * config/rs6000/rs6000.c: Update all callers.
2042 (rs6000_legitimate_address): New function.
2044 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2046 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2047 special_constant conditional blocks together.
2049 2001-05-02 Dale Johannesen <dalej@apple.com>
2051 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2053 (STRICT_ARGUMENT_NAMING): Define.
2054 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2055 function_arg_partial_nregs, setup_incoming_varargs): Remove
2056 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2059 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2061 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2063 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2066 * expr.c (store_field): Do nothing except elaborate side-effects if
2069 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2071 * c-lex.c: NULL_PTR -> NULL.
2073 * emit-rtl.c: Likewise.
2075 * genpeep.c: Likewise.
2077 * mips-tdump.c: Likewise.
2078 * reload1.c: Likewise.
2079 * rtlanal.c: Likewise.
2081 * stor-layout.c: Likewise.
2082 * toplev.c: Likewise.
2084 2001-05-01 Per Bothner <per@bothner.com>
2086 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2087 call do_pending_stack_adjust before emiting label.
2089 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2091 * extend.texi: Fix typo.
2093 2001-05-01 Stan Shebs <shebs@apple.com>
2095 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2096 of UOBJC_MODULES_decl.
2097 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2098 (generate_descriptor_table): Ditto.
2099 (generate_protocols): Ditto.
2100 (generate_protocol_list): Ditto.
2101 (generate_classref_translation_entry): Ditto.
2103 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2105 * invoke.texi (Optimize Options): Add documentation for `--param
2106 max-delay-slot-insn-search' and `--param
2107 max-delay-slot-live-search' and reorder --param section.
2108 * params.def: Modify initial comment.
2109 * params.h (param_info): Add `help' member.
2110 * toplev.c (lang_independent_params): Include `help' description.
2111 (display_help): Print --param parameters.
2113 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2115 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2116 Remove references to deleted files.
2117 (*-*-openbsd): No need to override xmake_file.
2118 (*-*-sysv4): Treat like *-*-sysv.
2120 * configure.in: Probe for ldopen in various places, and set up
2121 collect2 to be linked with them if found.
2122 Don't dink with Windows registry stuff unless $host_os is a
2123 Win32 os name. Check to see if we need -ladvapi32.
2124 * configure: Regenerate.
2126 * Makefile: Get rid of CLIB and HOST_CLIB.
2127 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2128 * build-make: Get rid of HOST_CLIB.
2130 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2131 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2132 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2133 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2134 config/rs6000/x-rs6000: Delete.
2136 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2139 24 x-host fragments remain, 0 x-cpu, 3 top level.
2141 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2143 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2144 * configure: Regenerate.
2146 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2148 * Makefile.in (install-headers): Remove redundant dependency.
2150 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2152 * c-tree.texi (USING_STMT): Document.
2154 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2156 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2157 * c-common.c: Likewise.
2158 * c-decl.c: Likewise.
2159 * combine.c: Likewise.
2160 * rs6000.c: Likewise.
2161 * except.c: Likewise.
2162 * explow.c: Likewise.
2164 * fold-const.c: Likewise.
2165 * function.c: Likewise.
2168 * integrate.c: Likewise.
2170 * objc/objc-act.c: Likewise.
2171 * recog.c: Likewise.
2172 * reg-stack.c: Likewise.
2173 * reload.c: Likewise.
2174 * reload1.c: Likewise.
2175 * simplify-rtx.c: Likewise.
2177 * varasm.c: Likewise.
2179 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2181 * diagnostic.def: New file.
2182 * diagnostic.h (diagnostic_t): New enum.
2183 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2185 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2187 * tsystem.h: Test only POSIX for availability of string.h
2189 * config.gcc (all systems): If USG appeared in xm_defines,
2190 change it to POSIX. If both USG and POSIX appeared, just
2191 delete USG. Remove unnecessary quotes around xm_defines
2193 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2194 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2195 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2196 powerpc-*-linux*): No need to set xm_defines - handled by
2197 global settings for *-*-linux*.
2199 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2201 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2202 Always include gstab.h, not system stab.h. Don't provide
2203 default definitions of N_CATCH or N_OPT. Always use the
2204 gstab.h variant of STAB_CODE_TYPE.
2205 * final.c: Don't include stab.h/gstab.h at all, or provide
2206 defaults for N_SLINE and N_SOL.
2208 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2209 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2211 * sdbout.c: Always include gsyms.h instead of system syms.h.
2213 * configure.in: No need to check for stab.h.
2214 * configure, config.in: Regenerate.
2215 * Makefile.in (final.o): Don't depend on gstab.h.
2217 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2218 Richard Henderson <rth@redhat.com>
2220 * extend.texi: Improve documentation of volatile asms.
2222 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2224 * c-tree.texi: Fix thinko.
2225 * gcc.texi: Likewise.
2227 2001-04-30 Richard Henderson <rth@redhat.com>
2229 * c-common.c (c_promoting_integer_type_p): New function, from the
2230 corpse of old macro. Properly promote too-small enumerations and
2231 booleans. Adjust all callers.
2232 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2233 (c_promoting_integer_type_p): Declare.
2234 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2235 * c-typeck.c: Likewise.
2236 (default_conversion): Remove now redundant boolean check.
2238 2001-04-30 Jan Hubicka <jh@suse.cz>
2239 Richard Henderson <rth@redhat.com>
2241 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2243 (combine_stack_adjustments_for_block): Don't combine stack
2244 allocation followed by deallocations. Handle grow-up stacks.
2246 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2248 * fdl.texi: New file.
2249 * c-tree.texi: Use the GFDL.
2250 * gcc.texi: Likewise.
2252 2001-04-30 Stan Shebs <shebs@apple.com>
2254 * invoke.texi: Add a section documenting Objective-C options.
2256 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2258 * emit-rtl.c (try_split): Copy EH notes to sequence.
2260 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2262 * regmove.c (record_stack_memrefs): Catch all references to the
2265 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2267 * Makefile.in (stmp-fixinc): quote shell assignment values
2269 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2271 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2275 * prefix.c: Likewise.
2277 2001-04-28 Stan Shebs <shebs@apple.com>
2279 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2280 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2281 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2282 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2284 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2285 (NEXT_OBJC_RUNTIME): Define.
2287 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2289 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2290 * simplify-rtx.c (simplify_gen_relational): Likewise.
2292 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2294 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2295 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2297 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2298 registers in SSE case; fix handling of the immediates.
2299 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2300 operands to be in regsiters before reload.
2301 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2302 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2303 (abstf,absxf,negtf,negxf splitters): Compute
2304 properly the regnum for x86_64.
2305 (avsdf2_if_rex64): New.
2307 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2309 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2310 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2311 into the constant pool.
2312 * jump.c (jump_optimize_1): Remove barrier successors after all
2313 the LABEL_NUSES counds have been computed.
2314 (delete_barrier_successors): When deleting a tablejump insn, also
2315 delete the jump table it uses.
2316 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2319 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2321 * pa.c (FRP): Remove erroneous white space in macro definition.
2323 2001-04-28 Andreas Jaeger <aj@suse.de>
2325 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2327 * extend.texi: Likewise.
2328 * tm.texi: Likewise.
2330 2001-04-28 Andreas Jaeger <aj@suse.de>
2332 * md.texi: Use XX-bit instead of XXbit or XX bit where
2335 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2337 * gcc.c (process_command): Allow -l lib in addition to -llib
2338 for POSIX compliance. This fixes PR c/2347.
2340 * invoke.texi: Update section on Link Options accordingly.
2342 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2344 * function.c (purge_addressof_1): Remove the duplicate
2345 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2348 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2350 * except.c (expand_eh_region_start): Don't start a new block.
2351 (expand_eh_region_end): Don't end a block.
2352 * stmt.c (expand_end_bindings): Don't end EH blocks.
2353 (expand_decl_cleanup): Starting an EH region won't change the block.
2354 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2355 (is_eh_region): Lose.
2358 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2360 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2362 * collect2.c (main): Add `-L' case to remove duplicate entries.
2363 (is_in_args): New function to check for a duplicate argument.
2364 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2365 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2366 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2367 Define to be nonzero.
2369 2001-04-27 Andreas Jaeger <aj@suse.de>
2370 Richard Henderson <rth@redhat.com>
2372 * md.texi (Machine Constraints): Document additional i386
2373 constraints and fix description of "A".
2375 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2377 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2379 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2381 * except.c (get_exception_filter): word_mode, not Pmode.
2383 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2385 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2386 common to other movsf patterns. Move up so that in future
2387 people who change the other patterns will change it too.
2388 (movsf_lo_sum): Allow even for soft-float; add appropriate
2390 (movsf_high): Likewise.
2391 (movsf_high+1): Allow even for soft-float.
2393 * function.c (expand_function_end): Always clobber the
2394 return registers, even if there is no return label.
2396 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2398 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2400 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2402 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2403 (pushqi2_rex64, pushhi2_rex64): Add.
2405 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2407 * except.c (expand_eh_region_end_cleanup): Force pending stack
2408 adjust before emitting label that branches around cleanup code.
2410 2001-04-26 H.J. Lu (hjl@gnu.org)
2412 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2414 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2416 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2417 (ASM_OUTPUT_SECTION_NAME): Likewise.
2418 (ASM_WEAKEN_LABEL): Likewise.
2419 (UNIQUE_SECTION): Likewise.
2420 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2421 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2422 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2423 (ASM_OUTPUT_SECTION_NAME): Likewise.
2424 (ASM_WEAKEN_LABEL): Likewise.
2425 (UNIQUE_SECTION): Likewise.
2426 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2427 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2428 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2429 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2430 (ASM_FILE_START): Likewise.
2431 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2432 (ASM_DECLARE_OBJECT_NAME): Likewise.
2433 (ASM_FILE_END): Likewise.
2434 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2435 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2436 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2437 (ASM_OUTPUT_CASE_LABEL): Likewise.
2438 (ASM_OUTPUT_SKIP): Likewise.
2439 (ASM_OUTPUT_ASCII): Likewise.
2440 (ASM_OUTPUT_IDENT): Likewise.
2441 (READONLY_DATA_SECTION): Likewise.
2442 (EXTRA_SECTIONS): Likewise.
2443 (EXTRA_SECTION_FUNCTIONS): Likewise.
2444 (SELECT_RTX_SECTION): Likewise.
2445 (SELECT_SECTION): Likewise.
2447 * config/mips/linux.h (INVOKE__main): Undefine.
2448 (CTOR_LIST_BEGIN): Likewise.
2449 (CTOR_LIST_END): Likewise.
2450 (DTOR_LIST_BEGIN): Likewise.
2451 (DTOR_LIST_END): Likewise.
2452 (SET_ASM_OP): Defined it to ".dummy".
2453 (ASM_OUTPUT_DEF): Defined.
2454 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2456 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2458 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2459 assembler supports .p2align.
2461 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2463 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2465 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2467 * integrate.c (expand_inline_function): Check for error_mark_node
2470 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2472 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2475 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2477 * configure.in (configargs.h): Define thread_model.
2478 * configure: Rebuilt.
2479 * gcc.c (main): Print it with -v.
2481 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2483 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2484 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2485 * gcc.1: Regenerate.
2487 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2489 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2490 is_redundant_typedef): Use static inline instead of inline static.
2492 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2494 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2495 this directory is always searched.
2497 2001-04-25 Richard Henderson <rth@redhat.com>
2499 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2500 of registers to restore along non eh_return path.
2502 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2504 * c-format.c (check_format_info_recurse): Handle
2505 PLUS_EXPR for format string.
2507 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2509 * config/ia64/ia64.h (CC1_SPEC): Define.
2510 * config/ia64/linux.h (CC1_SPEC): Define.
2512 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2514 * emit-rtl.c (constant_subword): Also do sign extension in
2515 BITS_PER_WORD == 16 case.
2517 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2519 * loop.c (try_swap_copy_prop): Go back to checking insn.
2521 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2523 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2524 if check_mode is non-zero.
2526 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2528 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2529 out and comparison sequence has been detected, put result into
2530 proper temporary pseudo.
2532 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2534 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2535 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2536 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2537 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2538 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2539 for future reference.
2541 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2543 * except.c (reachable_handlers): Step out one level from a RESX.
2545 * except.c (struct eh_region): Rename 'last' to 'resume'.
2546 (mark_eh_region, duplicate_eh_region_1): Adjust.
2547 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2548 (build_post_landing_pads): Likewise.
2549 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2550 (expand_eh_region_end_must_not_throw): Likewise.
2551 (connect_post_landing_pads): Thread (only) regions with non-deleted
2554 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2555 registers around the cleanup.
2556 (get_exception_filter): New fn.
2557 (finish_eh_generation): Use it.
2559 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2561 * c-semantics.c (add_scope_stmt): Don't call
2562 current_scope_stmt_stack multiple times.
2564 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2565 Nathan Sidwell <nathan@codesourcery.com>
2567 Lazy __FUNCTION__ generation.
2568 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2569 RID_C99_FUNCTION_NAME): New _RIDs.
2570 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2571 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2572 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2574 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2575 (c99_function_name_decl_node, function_name_decl_node,
2576 pretty_function_name_decl_node, saved_function_name_decls):
2578 (struct language_function): Remove x_function_name_declared_p.
2579 (make_fname_decl): Remove a parameter.
2580 (declare_function_names): Remove prototype.
2581 (start_fname_decls, finish_fname_decls): Prototype.
2582 (fname_as_string): Likewise.
2583 (fname_string, fname_decl): Likewise.
2584 * c-common.c (make_fname_decl): Adjust.
2585 (struct fname_var_t): New struct.
2586 (fname_vars): New static array.
2587 (declare_function_name): Remove.
2588 (start_fname_decls, finish_fname_decls): New functions.
2589 (fname_as_string): New function from remnants of
2590 declare_function_name.
2591 (fname_string, fname_decl): New functions.
2593 * c-decl.c (c_function_name_declared_p): Remove.
2594 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2595 don't call declare_function_name. Call start_fname_decls.
2596 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2597 clobber the line number. Call finish_decl.
2598 (start_function): Call start_fname_decls.
2599 (finish_function): Call finish_fname_decls.
2600 Remove c_function_name_declared_p.
2601 (push_c_function_context): Don't push c_function_name_declared_p.
2602 (pop_c_function_context): Don't pop c_function_name_declared_p.
2603 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2604 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2605 (program): Call finish_fname_decls for C.
2606 (primary): Add VAR_FUNC_NAME.
2607 (reswords): Add slots for __FUNCTION__ et al.
2608 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2609 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2610 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2611 * c-semantics.c (prune_unused_decls): Remove.
2612 (finish_stmt_tree): Don't call prune_unused_decls.
2613 (genrtl_decl_stmt): Don't prune unused decls here.
2615 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2617 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2618 constant pool, use the pool's SYMBOL_REF instead.
2620 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2623 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2625 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2626 passing nested NOP_EXPRs to fold.
2628 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2630 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2632 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2634 * loop.c (loop_delete_insns): Add prototype.
2636 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2638 * configure.in: Remove ENABLE_STD_NAMESPACE.
2639 * config.in: Regenerated.
2640 * configure: Regenerated.
2642 2001-04-22 Stan Shebs <shebs@apple.com>
2644 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2646 * config/rs6000/xm-darwin.h: Remove file.
2648 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2650 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2651 (write_c_file_stat): Likewise.
2653 * dbxout.c (dbxout_init): Likewise.
2655 * profile.c (output_func_start_profiler): Likewise.
2657 2001-04-22 Philipp Thomas <pthomas@suse.de>
2659 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2660 require it instead of the CVS version.
2661 * cpperror.c (v_message): Put a blank before the macro
2662 body to not confuse exgettext.
2664 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2666 * flow.c (proagate_one_insn): Remove useless assignment.
2667 * jump.c (delete_insn): Tidy.
2668 * loop.c (try_copy_prop): When deleting an instruction with a
2669 REG_RETVAL note, delete the entire libcall sequence.
2670 (loop_delete_insns): New function.
2671 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2672 we're not substituting into them yet.
2674 2001-04-21 Kazu Hirata <kazu@hxi.com>
2676 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2678 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2680 * config/i960/i960.c (signed_arith_operand): Likewise.
2682 * calls.c (expand_call): Fix a comment typo.
2684 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2686 * configure.in: Probe for times, clock, struct tms, and clock_t.
2687 * configure, config.in: Regenerate.
2688 * timevar.c: Replace ifdef forest in get_time with (relatively)
2689 straightforward series of checks based on autoconf's probes.
2691 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2693 * config/pa/som.h (NM_FLAGS): Define.
2695 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2697 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2699 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2700 * ia64.c (nop_cycles_until): New function.
2701 (prev_cycle, prev_first, last_issued): New static variables.
2702 (ia64_sched_reorder): Additional arg for clock.
2703 On final scheduling pass, emit extra NOPs as needed.
2704 Set prev_first and prev_cycle.
2705 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2706 (ia64_variable_issue): Set last_issued.
2708 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2710 * config/i386/i386.c (ix86_expand_int_movcc,
2711 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2713 2001-04-20 Geoff Keating <geoffk@redhat.com>
2715 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2716 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2717 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2718 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2719 ctrdi_internal6): In the short-branch case, this insn is only 4
2720 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2722 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2724 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2725 "=u" is used together with "st" resp. "st(1)" clobber.
2727 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2729 * gcse.c (gcse_main): Fix comment typo.
2730 (delete_null_pointer_check): Likewise.
2731 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2732 * cse.c (cse_insn): Likewise.
2733 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2736 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2738 * toplev.c: Excise all code for the undocumented -dm option.
2739 (float_signal): Call signal just once, unconditionally.
2741 2001-04-19 Geoff Keating <geoffk@redhat.com>
2743 * fold-const.c (fold): Use first_rtl_op rather than
2744 TREE_CODE_LENGTH when looping over parameters of a tree.
2745 Correct strange grouping in test for evaluated SAVE_EXPR.
2747 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2749 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2750 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2752 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2753 name at 32 total characters.
2754 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2755 functions in named sections -- data items can still go into unique
2756 sections, but they have normal names (ie $LIT$ and $DATA$).
2758 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2761 2001-04-19 DJ Delorie <dj@redhat.com>
2763 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2764 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2765 * config/i386/cygwin.h: Likewise.
2766 * config/i386/mingw32.h: Likewise.
2767 * config/vax/vms.h: Likewise.
2768 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2770 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2771 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2772 * config/i386/xm-cygwin.h: Likewise.
2773 * config/i386/xm-djgpp.h: Likewise.
2774 * config/i386/xm-mingw32.h: Likewise.
2775 * config/vax/xm-vms.h: Likewise.
2777 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2778 instead of OBJECT_SUFFIX.
2779 * collect2.c (find_a_file): Look for files matching the extension
2780 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2781 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2782 TARGET_EXECUTABLE_SUFFIX.
2783 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2784 (make_relative_prefix): Likewise.
2785 (convert_filename): Use TARGET_ suffixes throughout. Remove
2787 (process_command): Likewise.
2788 (do_spec_1): Likewise.
2789 * java/lang.c (init_parse): Likewise.
2791 * gcc.texi : Document four new options matching the pattern
2792 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2793 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2794 documentation for NO_AUTO_EXE_SUFFIX.
2796 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2798 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2799 that language-independent processing should not be done.
2800 * toplev.c (main): Adjust accordingly.
2802 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2803 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2805 * mips.md (reload_outputdi): Require that operand0 be a
2808 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2810 * invoke.texi (-Wshadow): Clarify.
2812 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2814 * loop.c (load_mems): Examine all the instructions in the loop
2815 before concluding that all jumps branch to the first instruction
2818 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2820 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2822 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2824 * cpp.texi (-Wwhite-space): Remove.
2825 (-Wall): -Wall does not imply -Wwhite-space.
2827 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2829 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2830 use it instead of blindly generating a .stabs.
2831 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2833 * xcoffout.c: Don't bother defining default for N_CATCH.
2834 (UNKNOWN_STAB): Use internal_error.
2835 (stab_to_sclass): Remove now-unnecessary aborts.
2836 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2838 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2840 * jump.c (mark_all_labels): Canonicalize the tail recursion
2841 label attached to CALL_PLACEHOLDER insns.
2843 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2845 * output.h (dump_flow_info, free_basic_block_vars,
2846 which_alternative): Delete redundant prototypes.
2848 * rtl.h (bss_section): Likewise.
2850 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2852 * dbxout.c (N_OPT): Define if not available from <stab.h>
2854 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2856 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2857 libraries and native K&R compilers.
2859 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2861 * c-typeck.c (convert_arguments): Don't check for width changes
2864 * invoke.texi (-Wtraditional): Update documentation.
2866 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2868 * toplev.c (output_lang_identify): Delete.
2869 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2870 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2871 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2872 after calling ASM_FILE_END.
2874 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2875 Instead, unconditionally emit an N_OPT stab with string equal
2876 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2878 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2880 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2881 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2882 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2883 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2884 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2885 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2886 config/i370/i370.h, config/i386/beos-elf.h,
2887 config/i386/osf1elf.h, config/i386/osfrose.h,
2888 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2889 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2890 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2891 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2892 config/mips/iris6.h, config/mips/osfrose.h,
2893 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2894 config/sparc/sp64-elf.h:
2895 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2896 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2898 * config/elfos.h, config/freebsd.h, config/linux.h,
2899 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2900 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2901 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2902 of ASM_FILE_START which merely emit a .version directive. Delete
2903 definitions of ASM_FILE_END which merely emit an .ident directive.
2905 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2906 ASM_IDENTIFY_GCC and move part of its logic into
2909 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2910 config/sparc/linux-aout.h: Don't emit .version directive in
2913 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2914 (output_file_start): Correct comment.
2916 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2917 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2919 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2920 * config/rs6000/aix.h: Correct comment.
2922 * config/i386/i386afe.h: Delete.
2923 * config.gcc: Remove references to i386afe.h.
2925 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2926 other macros deleted by this patch were undocumented.
2928 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2930 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2932 * pa.c (secondary_reload_class): SAR<->FP copies require a
2935 * install.texi (mips-mips-bsd): Update list of functions
2936 required to include memmove.
2937 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2938 used functions to include memmove.
2940 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2942 * i386.md (sqrtdf2): SFmode should be DFmode.
2944 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2946 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2947 (find_moveable_store): Likewise.
2949 2001-04-15 Jim Wilson <wilson@redhat.com>
2951 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2953 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2955 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2956 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2958 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2960 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2963 2001-04-14 Alan Modra <amodra@one.net.au>
2965 * pa.c (force_mode): New function.
2966 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2968 2001-04-13 Jim Wilson <wilson@redhat.com>
2970 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2971 (first_instruction): New static variable.
2972 (rtx_needs_barrier): Return 1 for alloc.
2973 (init_insn_group_barriers): Set first_instruction.
2974 (rws_sum): Delete duplicate definition.
2975 (group_barrier_needed_p): Return 0 when first_instruction true.
2976 (safe_group_barrier_needed_p): Save and restore first_instruction
2977 around group_barrier_needed_p call.
2979 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2981 * expr.h (enum libfunc_index): Add LTI_memmove.
2982 (memmove_libfunc): Define macro.
2983 * optabs.c (init_optabs): Initialize memmove_libfunc.
2984 * expr.c (expand_assignment): Use memmove_libfunc instead of
2987 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2989 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2992 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2994 * Makefile.in (reg-stack.o): Depend on reload.h.
2995 (insn-attrtab.o): Depend on flags.h.
2997 * genattrtab (main): Include flags.h in insn-attrtab.c.
2999 * reg-stack.c: Include reload.h.
3001 * sparc.h (flag_pic): Delete redundant declaration.
3003 * output.h (flag_pic): Likewise.
3005 * tree.h (pedantic): Likewise.
3007 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3009 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
3011 * jump.c, regmove.c, toplev.c: Include reload.h.
3013 * reload.h (reload_cse_regs): Declare.
3015 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
3016 reload_cse_regs, init_reload, mark_home_live, reload,
3017 init_caller_save): Delete redundant prototypes.
3019 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3021 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
3023 * regclass.c, ssa.c: Include expr.h.
3025 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
3026 gen_move_insn): Delete redundant declarations.
3028 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3030 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3031 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3032 MAKEINFO and MAKEINFOFLAGS too.
3033 (stage4_build): Correctly order -B flags.
3035 2001-04-13 Alan Modra <amodra@one.net.au>
3037 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3038 PIC_OFFSET_TABLE_SAVE_RTX.
3039 (zdepi_cint_p): Describe zdepi insn.
3040 Formatting and white space fixes throughout file.
3042 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3043 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3044 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3045 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3046 (output_64bit_and): Use plain `int's for shift counts.
3047 (output_64bit_ior): Likewise.
3048 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3049 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3052 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3053 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3054 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3055 NEW_HP_ASSEMBLER into one. Kill warnings.
3057 * pa-gas.h: Delete file.
3058 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3059 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3060 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3061 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3063 * config/pa/mill32.S: New file.
3064 * config/pa/mill64.S: New file.
3065 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3066 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3067 * config/pa/t-linux64: New file.
3068 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3069 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3070 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3072 * elfos.h (SELECT_SECTION): Undef before defining.
3073 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3074 (LIB_SPEC): Remove -lmilli.
3075 (DBX_REGISTER_NUMBER): Remove.
3076 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3077 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3078 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3079 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3080 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3081 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3082 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3083 TARGET_GAS): Define.
3084 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3085 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3086 regs if we don't have a prototype.
3087 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3088 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3089 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3090 EH_RETURN_HANDLER_RTX): Define.
3091 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3092 (DWARF_FRAME_REGNUM): Define.
3093 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3094 * pa32-linux.h: New file.
3095 * pa64-linux.h: New file.
3097 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3098 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3099 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3100 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3101 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3102 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3103 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3104 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3105 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3106 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3107 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3108 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3109 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3110 * pa64-hpux.h: New file.
3111 (ASM_FILE_START): Correct typo.
3112 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3113 * config.gcc: Modify for above.
3115 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3117 * jump.c (jump_optimize_1): Don't delete dead stores here.
3118 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3119 prior to running jump optimize before cse2.
3121 2001-04-12 Richard Henderson <rth@redhat.com>
3123 * Makefile.in (regmove.o): Depend on except.h.
3124 * regmove.c: Include it.
3126 2001-04-12 Stan Shebs <shebs@apple.com>
3128 * objc/objc-act.c: Remove all code ifdefed with the never-used
3129 macro OBJC_INT_SELECTORS.
3130 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3131 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3133 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3135 * config/pa/quadlib.c: Add prototypes.
3137 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3139 * bitmap.h (debug_bitmap): Delete redundant prototype.
3141 * rtl.h (get_frame_size): Likewise.
3143 2001-04-12 Jim Wilson <wilson@redhat.com>
3145 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3146 to just emit an fnorm.
3148 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3150 * c-common.h (truthvalue_conversion, type_for_mode,
3151 type_for_size): Delete redundant declarations.
3153 * c-lex.h (is_class_name): Likewise.
3155 * c-tree.h (pedantic, convert, getdecls, gettags,
3156 global_bindings_p, init_decl_processing, insert_block,
3157 maybe_build_cleanup, poplevel, print_lang_decl,
3158 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3159 set_block, incomplete_type_error, build_function_call,
3160 lvalue_or_else, mark_addressable): Likewise.
3162 * expr.h (expand_tree_builtin): Likewise.
3164 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3166 * invoke.texi: Document --param max-gcse-memory.
3168 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3170 * configure.in (errno): Check for declaration.
3171 * configure, config.in: Regenerated.
3173 * system.h (errno): Only declare if not already done.
3175 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3177 * recog.c (general_operand, immediate_operand,
3178 nonmemory_operand): Require CONST_INTs to be sign-extended
3179 values for their modes.
3181 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3183 * expmed.c (store_bit_field): Truncate CONST_INTs.
3184 (expand_mult_highpart, expand_divmod): Likewise.
3185 * expr.c (convert_modes, store_field): Likewise.
3186 * integrate.c (expand_inline_function): Use promote_mode() to
3187 determine whether to convert_modes() an argument as signed
3189 * optabs.c (expand_binop): Get CONST_INT operands
3190 sign-extended for their appropriate modes.
3191 * stmt.c (emit_case_nodes): Convert node values to the
3193 (expand_end_case): Convert minval and range to the appropriate
3195 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3196 the iteration variable.
3197 * varasm.c (immed_double_const): Don't require words to be
3198 narrower than host wide ints to properly sign-extend
3201 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3203 * sh.md (builtin_setjmp_receiver): New expander.
3205 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3207 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3208 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3209 for generating CONST_INT and CONST_DOUBLE.
3211 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3213 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3214 already sign-extended.
3215 (rs6000_emit_prologue): Make register iterator signed.
3216 (rs6000_emit_epilogue): Likewise.
3217 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3219 (movsf split, movdf split): Sign-extend CONST_INTs.
3220 (movdi splits): Likewise.
3222 2001-04-12 Kelley Cook <kelley.cook@home.com>
3224 * config-lang.in (lang_dirs): Add in zlib.
3226 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3228 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3229 operands that make it to RTL.
3231 2001-04-11 Stan Shebs <shebs@apple.com>
3233 Add Darwin (Mac OS X kernel) native support.
3234 * config.gcc (powerpc-*-darwin*): Add native bits.
3235 * config/darwin.c: New file, generic Darwin support functions.
3236 * config/darwin.h: New file, generic Darwin definitions.
3237 * config/darwin-protos.h: New file, generic Darwin prototypes.
3238 * rs6000/darwin.h: New file, Darwin for PowerPC.
3239 * rs6000/t-darwin: New file, Darwin makefile fragment.
3240 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3241 (TARGET_MACHO): Ditto.
3242 (rs6000_abi): Add ABI_DARWIN.
3243 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3244 (RS6000_SAVE_AREA): Ditto.
3245 (FP_ARG_MAX_REG): Ditto.
3246 (RETURN_ADDRESS_OFFSET): Ditto.
3247 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3249 (rs6000_emit_move): Add ABI_DARWIN cases.
3250 (print_operand): Ditto.
3251 (first_reg_to_save): Ditto.
3252 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3253 (debug_stack_info): Ditto.
3254 (rs6000_emit_prologue): Ditto.
3255 (rs6000_emit_epilogue): Ditto.
3256 (output_profiler_hook): Ditto.
3257 (output_function_profiler): Ditto.
3258 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3259 (output_mi_thunk): Add TARGET_MACHO case.
3260 (add_compiler_stub): Ditto.
3261 (output_compiler_stub): Ditto.
3262 (no_previous_def): Ditto.
3263 (output_call): Ditto.
3264 (machopic_output_stub): Ditto.
3265 (rs6000_machopic_legitimize_pic_address): Ditto.
3266 (toc_section): Ditto.
3267 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3268 (macho_high): Ditto.
3271 (load_macho_picbase): Ditto.
3272 (call): Add TARGET_MACHO case to modify function.
3273 (call_value): Ditto.
3274 (call_nonlocal_sysv): Add ABI_DARWIN case.
3275 (call_value_nonlocal_sysv): Ditto.
3276 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3278 (machopic_output_stub): Ditto.
3279 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3281 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3283 * dwarf2out.c (modified_type_die): Don't create new types here.
3284 * tree.h (get_qualified_type): New function.
3285 (build_qualified_type): Adjust comment.
3286 * tree.c (get_qualified_type): New function.
3287 (build_qualified_type): Use it.
3289 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3291 * cpp.texi (-Wtraditional): Update description.
3293 * invoke.texi (-Wtraditional): Likewise.
3295 2001-04-11 Jim Wilson <wilson@redhat.com>
3297 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3298 requires more than 64 bits of alignment.
3300 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3302 * cpplib.c (do_line): Sanity check iff enable checking.
3304 2001-04-11 Richard Henderson <rth@redhat.com>
3306 * Makefile.in (insn-recog.o): Depend on toplev.h.
3307 (insn-emit.o, doloop.o): Likewise.
3308 * genrecog.c, genemit.c: Include toplev.h in generated file.
3309 * doloop.c: Include toplev.h.
3311 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3313 * Makefile.in (gcse.o): Depend on params.h.
3314 * gcse.c: Include params.h.
3315 (gcse_main): Don't do GCSE if doing so will take inordinate
3317 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3318 * params.h (MAX_GCSE_MEMORY): New macro.
3320 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3322 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3324 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3326 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3328 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3330 * real.h (ereal_atof, real_value_truncate, target_isnan,
3331 target_isinf, target_negative, assemble_real, debug_real): Delete
3332 redundant prototypes.
3334 * Makefile.in (ifcvt.o): Depend on toplev.h.
3336 * c-semantics.c: Include expr.h.
3338 * ifcvt.c: Include toplev.h.
3340 * expr.h (rtx_equal_p): Delete prototype.
3342 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3343 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3344 eliminate_constant_term, expand_complex_abs, find_single_use,
3345 make_tree, init_expr_once, init_optabs, supports_one_only):
3348 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3349 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3350 expand_assignment, store_expr, emit_line_note_after,
3351 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3353 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3355 * sparc-protos.h: Delete redundant prototypes.
3357 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3359 * reload.c (push_reload): Add condition missed in SUBREG byte
3362 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3364 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3366 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3368 * i386.md (floatsisf_sse): Fix output template
3369 * i386.c (ix86_expand_fp_movcc)
3371 * reg-stack.c (emit_pop_insn): Handle complex modes.
3372 (move_for_stack_reg): Emit proper move mode.
3373 (subst_stack_regs_pat): Handle complex modes.
3375 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3377 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3379 2001-04-10 Richard Henderson <rth@redhat.com>
3381 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3382 (__pure_virtual, __terminate, __terminate_set_func,
3383 __default_terminate, __throw_type_match, __empty,
3384 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3385 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3386 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3387 Remove prototypes of deleted functions.
3389 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3391 * c-typeck.c (convert_arguments): -Wtraditional now activates
3392 -Wconversion warnings, except for changes in signed-ness.
3393 Detect complex<->int & int<->complex conversions as well.
3395 * invoke.texi (-Wtraditional): Document it.
3397 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3399 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3400 * flow.c (set_block_for_new_insns): Remove needless cast and
3401 properly check for unset block number.
3403 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3405 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3406 the subreg was a hard register. Pseudos are left as subregs.
3408 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3410 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3411 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3412 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3413 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3414 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3416 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3418 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3420 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3422 * output.h (set_block_num): Missed it earlier, remove deprecated
3425 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3427 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3428 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3429 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3430 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3431 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3432 (expr_killed_p): Change bb parameter from int to basic_block, pass
3433 basic_blocks instead of ints as parameters.
3434 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3435 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3436 from int to basic_block, pass basic_blocks instead of ints as parms.
3437 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3438 parameter from int to basic_block, pass basic_blocks instead of ints.
3439 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3440 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3441 pass basic_blocks instead of ints.
3442 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3443 basic_blocks instead of ints as parameters.
3444 (pre_delete): Pass basic_blocks instead of ints as parameters.
3445 (hoist_expr_reaches_here_p): Change bb parameter from int to
3446 basic_block, pass basic_blocks instead of ints.
3447 (hoist_code): Pass basic_blocks instead of ints as parameters.
3448 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3449 Change bb parameter from int to basic_block.
3450 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3451 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3452 pass basic_blocks instead of ints.
3453 (insert_store): Pass basic_blocks instead of ints as parameters.
3454 (replace_store_insn, delete_store): Change bb parameter from int to
3455 basic_block, pass basic_blocks instead of ints.
3456 (store_motion): Pass basic_blocks instead of ints as parameters.
3458 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3460 * basic-block.h (set_new_block_for_insns): New Prototype.
3461 (set_block_num): Delete prototype.
3462 * flow.c (set_block_num): Remove obsolete function.
3463 (set_block_for_new_insns): Set BB for single or multiple insns.
3464 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3465 (process_insn_end_bb): Use set_block_for_new_insns or
3466 set_block_for_insn instead of set_block_num.
3467 (pre_insert_copy_insn): Use set_block_for_new_insns.
3468 (update_ld_motion_stores): Use set_block_for_new_insns.
3469 (insert_insn_start_bb): Use set_block_for_new_insns.
3470 (replace_store_insn): Use set_block_for_new_insns.
3472 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3473 Jeff Law <law@redhat.com>
3475 * alias.c (get_addr): Externalize.
3476 (canon_true_dependence): New function. Behaves like true_dependance
3477 except it already assumes a MEM has been canonicalized.
3478 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3479 * gcse.c (struct ls_expr): Add load/store expressions structure.
3480 (modify_mem_list, canon_modify_mem_list): New variable.
3481 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3482 load motion and store motion if requested.
3483 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3484 (free_gcse_mem): Free the modify_mem_list array.
3485 (oprs_unchanged_p): Use load_killed_in_block_p.
3486 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3487 (mems_conflict_for_gcse_p): New function. Don't kill loads
3488 with stores to themselves if its in the load/store expression list.
3489 (load_killed_in_block_p): New function.
3490 (canon_list_insert): New Function.
3491 (record_last_mem_set_info): Keep a list of all instructions which
3492 can modify memory for each basic block.
3493 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3494 (oprs_not_set_p): Use load_killed_in_block_p.
3495 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3496 (expr_killed_p): Use load_killed_in_block_p.
3497 (compute_transp): Do not pessimize memory references.
3498 (pre_edge_insert): Update stores for a load motion expression.
3499 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3500 (ldst_entry): Find or create a ldst_expr structure.
3501 (free_ldst_entry): Free memory for an individual item.
3502 (free_ldst_mems): Free entire load/store expression list.
3503 (print_ldst_list): Print debug info.
3504 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3505 (enumerate_ldsts): Assign integer values to each entry in list.
3506 (first_ls_expr): First expression in the list.
3507 (next_ls_expr): Next expression in the list.
3508 (simple_mem): Check if expression qualifies for ld/st expression list.
3509 (invalidate_any_buried_refs): Remove from expression list if its
3510 used in some other way we dont understand.
3511 (compute_ld_motion_mems): Find all potential enhanced load motion
3513 (trim_ld_motion_mems): Remove any expressions which are invalid.
3514 (update_ld_motion_stores): Copy store values to registers for loads
3515 which have been moved.
3516 (regvec, st_antloc, num_store): New global statics.
3517 (reg_set_info): Marks registers as set.
3518 (store_ops_ok): Verfies registers expressions are valid in a block.
3519 (find_moveable_store): Look for moveable stores in a pattern.
3520 (compute_store_table): Find stores in a function worth moving, maybe.
3521 (load_kills_store): Check dependance of a load and store.
3522 (find_loads): Find any loads in a pattern.
3523 (store_killed_in_insn): Check if a store is killed in an insn.
3524 (store_killed_after): Check is store killed after an insn in a block.
3525 (store_killed_before): Check is store killed before an insn in a block.
3526 (build_store_vectors): Generate the antic and avail vectors.
3527 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3528 (insert_store): Add a store to an edge.
3529 (replace_store_insn): Replace a store with a SET insn.
3530 (delete_store): Delete a store insn.
3531 (free_store_memory): Free memory.
3532 (store_motion): Perform store motion.
3533 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3534 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3535 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3536 (f_options): Add gcse-lm and gcse-sm.
3538 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3540 * i386.c (expand_fp_movcc): Fix condition reversal code.
3542 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3543 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3544 (CLASS_MAX_NREGS): Use it.
3546 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3547 handle properly complex values.
3548 (CLASS_MAX_NREGS): Likewise; update comment.
3550 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3552 * ia64.c (ia64_flag_schedule_insns2): New variable.
3553 (ia64_override_options): Initialize it. Clear
3554 flag_schedule_insns_after_reload.
3555 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3557 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3559 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3560 Do not require source to match destination anymore;
3561 Add abort to the nontrivial cases that should be handled by split.
3562 (fix_trunc?fdi): Add SSE case for x86_64.
3563 (floatdi?f): Likewise.
3564 (floatdi?f_sse): New.
3565 (fix_trunc?fdi_sse): New.
3567 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3569 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3570 (DEBUG_ARANGES_END_LABEL): Ditto.
3571 (dwarfout_init): Generate length and version fields at the start
3572 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3573 after the length field.
3574 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3575 the .debug_aranges info.
3577 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3579 * i386.c (call, call_value): Make sure that resulting call_insn
3580 does have proper second operand.
3582 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3584 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3585 function. Remove include of sys/cygwin.h.
3587 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3589 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3590 (CPP_SPEC): Always search */include/w32api for header files.
3591 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3592 (LINK_SPEC): Add "cyg" to the library search prefixes.
3594 2001-04-08 Philip Blundell <philb@gnu.org>
3596 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3598 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3600 * cpperror.c (print_location): Don't special case <stdin>.
3601 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3602 WARNING, but we don't check if we're in system headers.
3603 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3604 * cpplib.c (do_warning): Warn in system headers.
3606 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3608 * mbchar.c: Include config.h first.
3610 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3612 * config.gcc: Set default for xmake_file at top, not bottom.
3613 Change places that set xmake_file to "none" to set to the
3614 empty string instead, or remove them entirely if there is no
3615 default xmake_file for this cpu_type. Remove references to
3618 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3619 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3620 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3621 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3622 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3623 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3624 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3625 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3626 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3627 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3630 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3631 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3632 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3633 config/mips/x-sysv, config/rs6000/x-aix31:
3634 Just set CLIB to -lld or -lmld, as appropriate.
3636 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3637 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3638 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3639 config/mips/x-iris, config/pa/x-pa:
3640 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3641 OTHER_FIXINCLUDES_DIRS.
3643 * config/i386/x-djgpp: Don't set LN or LN_S.
3644 * config/m88k/x-dolph: Don't define __m88k__.
3645 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3646 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3647 * config/i860/fx2800.h: No need to #undef SVR4.
3649 38 x-host fragments remain, 2 x-cpu.
3651 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3653 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3655 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3657 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3659 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3661 * configure.in: Add check for lstat.
3662 * configure, config.in: Regenerate.
3663 * cppinit.c (append_include_chain): Make empty path ".".
3664 * cpplib.c (do_line): Don't simplify #line paths.
3665 * cppfiles.c (remove_component_p): New function.
3666 (find_or_create_entry): Acknowledge stat () errors during
3667 path simplification.
3668 (handle_missing_header): Don't simplify paths.
3669 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3670 the empty path untouched. Don't leave a trailing '/'.
3672 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3674 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3675 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3677 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3679 * cppfiles.c (open_file): Fail directories silently, but
3680 with an errno of NOENT set.
3681 (read_include_file): Move the common exit code to the sole
3682 caller. Return an int indicating success or failure. Let
3683 open_file handle directories.
3684 (stack_include_file): If read_include_file fails,
3685 push a "null" buffer.
3687 2001-04-05 DJ Delorie <dj@redhat.com>
3689 * function.h (virtuals_instantiated): Declare.
3690 * function.c: (virtuals_instantiated): Make global.
3691 * calls.c (emit_library_call_value_1): Use
3692 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3693 Otherwise, use the stack pointer directly.
3695 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3697 * i386.c (x86_initialize_trampoline): New global function.
3698 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3699 (INITIALIZE_TRAMPOLINE): Move offline.
3700 * i386-protos.h (x86_initialize_trampoline): Declare.
3702 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3704 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3705 (lea_0): Rename to lea_1.
3706 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3707 (lea_general_?): Allow SImodes on TARGET_64BIT
3708 (lea_general_?_zext): New patterns.
3709 (call_1, call_1_rex64): Fix.
3711 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3713 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3715 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3717 * i386.c (function_arg): Return constm1_rtx for last argument.
3718 (ix86_expand_prologue): Update gen_call calls.
3719 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3720 * i386.md (call_pop): Likewise.
3721 (call): Second operand is VOIDmode.
3722 (call_0): Likewise; Support 64bits.
3723 (call_exp): New expander.
3724 (call_1): Get to the sync.
3725 (call_1_exp): New pattern.
3726 (call_value): Support 64bit.
3727 (call_value_exp): New pattern.
3728 (untyped_call): Update gen_call call.
3729 (call_value_pop): Disable for 64bit.
3730 (call_value_0_rex64): New pattern.
3731 (call_value_1_rex64): Likewise.
3733 2001-04-05 Bo Thorsen <bo@suse.de>
3735 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3737 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3739 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3740 satisfies ANY_QI_REG_P.
3742 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3744 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3747 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3750 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3752 * config.gcc: Remove default for xm_file. Clean up local
3753 machine type handling. Remove settings of xm_file to
3754 something that doesn't exist. In the big switch, set xm_file,
3755 don't append to it (the value before the big switch is always
3756 null). Don't force build_xm_file or host_xm_file to have a value.
3757 * configure.in: Remove default for xm_file. Do not special
3758 case $cpu/xm-$cpu.h not existing.
3759 * configure: Regenerate.
3761 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3763 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3764 when folding integer division and modulo operations.
3766 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3768 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3769 instead of DWARF2_ADDR_SIZE for EH addresses.
3770 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3773 2001-04-04 Richard Henderson <rth@redhat.com>
3775 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3776 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3777 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3779 2001-04-04 Richard Henderson <rth@redhat.com>
3781 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3782 * configure: Rebuilt.
3784 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3786 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3787 push insns to delete to it instead of deleting them.
3788 (delete_null_pointer_checks): Delete insns from delete_list after
3789 all delete_null_pointer_checks_1 passes are done.
3791 2001-04-04 Richard Henderson <rth@redhat.com>
3793 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3794 * configure: Rebuilt.
3796 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3798 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3799 * config/romp/xm-romp.h: Delete.
3801 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3803 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3806 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3808 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3809 all labels present in rtx.
3810 (try_split) Call new function for all split insns.
3812 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3814 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3815 sure the change won't be validated.
3817 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3819 * rtl.h (set_noop_p): Declare.
3820 * flow.c (set_noop_p): Move from here ...
3821 * rtlanal.c (set_noop_p): ... to here and enhance.
3822 * cse.c (delete_trivially_dead_insns): Use it.
3823 * gcse.c (hash_scan_set): Likewise.
3824 * jump.c (delete_noop_moves): Likewise.
3825 * recog.c (split_all_insns): Likewise.
3827 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3829 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3830 stack pointer via a LO_SUM. Ditto for setting a temp register
3831 used to save to the stack. Set cfa_temp when setting fp, and
3832 allow matches to cfa_temp in addition to cfa_store when saving
3833 regs. Handle POST_INC and LO_SUM register stores. Document the
3834 changes and errors in rule 12 doco.
3836 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3837 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3838 (load_reg): Move closer to epilogue code.
3839 (DO_FRAME_NOTES): Define to control the following..
3840 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3841 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3843 (hppa_expand_epilogue): Likewise.
3845 2001-04-03 Richard Henderson <rth@redhat.com>
3847 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3848 * configure: Rebuild.
3850 2001-04-03 Richard Henderson <rth@redhat.com>
3852 * rtl.h (LCT_THROW): New.
3853 * calls.c (emit_library_call_value_1): Handle it.
3854 * except.c (connect_post_landing_pads): Use it.
3856 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3858 * gansidecl.h: Delete file.
3859 * configure.in: Change all refs to gansidecl.h to use
3860 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3862 * configure: Regenerate.
3864 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3865 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3866 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3867 Don't include gansidecl.h.
3868 * intl.c, main.c, version.c, fixinc/fixlib.h,
3869 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3872 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3874 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3877 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3879 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3880 config/i386/xm-next.h, config/i386/xm-sco.h,
3881 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3882 config/m88k/xm-m88k.h: Delete.
3884 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3885 * config/romp/xm-romp.h: Don't define bcopy.
3886 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3887 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3889 * config.gcc: Remove references to deleted files.
3891 14 xm-host.h remain, 1 xm-cpu.h.
3893 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3894 David S. Miller <davem@pierdol.cobaltmicro.com>
3895 Andrew MacLeod <amacleod@redhat.com>
3897 Use byte offsets in SUBREGs instead of words.
3899 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3900 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3901 to pass new argument.
3902 (add_stored_regs): Use subreg_regno_offset function.
3903 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3905 (precompute_arguments): Use gen_lowpart_SUBREG.
3906 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3907 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3908 (simplify_set): Rework to use SUBREG_BYTE.
3909 (expand_field_assignment): Use SUBREG_BYTE.
3910 (make_extraction): Use SUBREG_BYTE.
3911 (if_then_else_cond): Use SUBREG_BYTE.
3912 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3913 (gen_lowpart_for_combine): Compute full byte offset.
3914 * cse.c (mention_regs): Use SUBREG_BYTE.
3915 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3916 (canon_hash): Use SUBREG_BYTE.
3917 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3918 (gen_lowpart_if_possible): Formatting.
3919 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3921 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3922 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3923 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3924 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3925 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3926 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3927 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3928 certain invariants about SUBREGs the compiler creates.
3929 (gen_lowpart_SUBREG): New function.
3930 (subreg_hard_regno): New function to get the final register number.
3931 (gen_lowpart_common): Use SUBREG_BYTE.
3932 (gen_imagpart): Spacing nits.
3933 (subreg_realpart_p): Use SUBREG_BYTE.
3934 (gen_highpart): Use SUBREG_BYTE.
3935 (subreg_lowpart_p): Always compute endian corrected goal offset,
3936 even at the byte level, then compare against that.
3937 (constant_subword): New function, pulled out all constant cases
3938 from operand_subword and changed second argument name to offset.
3939 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3940 and call constant_subword to do the work. Return const0_rtx if
3941 looking for a word outside of OP.
3942 (operand_subword_force): Change second arg name to offset.
3943 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3944 (store_split_bit_field): Use SUBREG_BYTE.
3945 (extract_bit_field): Use SUBREG_BYTE.
3946 (extract_split_bit_field): Use SUBREG_BYTE.
3947 (expand_shift): Use SUBREG_BYTE.
3948 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3949 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3950 * flow.c (set_noop_p): Use SUBREG_BYTE.
3951 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3952 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3953 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3955 (optimize_bit_field): Use SUBREG_BYTE.
3956 (purge_addressof_1): Use SUBREG_BYTE.
3957 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3958 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3959 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3960 * gengenrtl.c (special_rtx): Add SUBREG.
3961 * global.c (mark_reg_store): Use SUBREG_BYTE.
3962 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3963 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3964 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3965 final byte offset is congruent to subreg's mode size.
3966 (subst_constants): Use SUBREG_BYTE.
3967 (mark_stores): Use subreg_regno_offset function.
3968 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3969 function and SUBREG_BYTE.
3970 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3971 (reg_is_born): Use subreg_hard_regno.
3972 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3973 endian correction code. Don't combine subregs unless resulting
3974 offset aligns with type. Fix subreg constant extraction for DImode.
3975 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3976 (general_operand): Remove dead mode_altering_drug code.
3977 (indirect_operand): Use SUBREG_BYTE.
3978 (constrain_operands): Use subreg_regno_offset function.
3979 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3980 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3981 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3982 * regs.h (REG_SIZE): Allow target to override.
3983 (REGMODE_NATURAL_SIZE): New macro which target can override.
3984 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3985 on the entire subreg rtx.
3986 (push_reload): Use SUBREG_BYTE in comments and code.
3987 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3988 for hard registers inside subregs.
3989 (operands_match_p): Use subreg_regno_offset.
3990 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3991 containing hard regs.
3992 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3993 corrections when fixing up MEM subregs.
3994 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3995 subreg_regno_offset where appropriate.
3996 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3997 byte endian corrections when fixing up MEM subregs.
3998 (subst_reloads): When combining two subregs, make sure final
3999 offset is congruent to subreg's mode size.
4000 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
4001 (refers_to_regno_for_reload_p): Use subreg_regno.
4002 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
4003 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
4004 correction code for memory subreg fixups.
4005 (forget_old_reload_1): Use subreg_regno_offset.
4006 (choose_reload_regs): Use subreg_regno.
4007 (emit_input_reload_insns): Use SUBREG_BYTE.
4008 (reload_combine_note_store): Use subreg_regno_offset.
4009 (move2add_note_store): Use subreg_regno_offset.
4010 * resource.c (update_live_status, mark_referenced_resources): Use
4011 subreg_regno function.
4012 (mark_set_resources): Use subreg_regno function.
4013 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
4014 (subreg_regno_offset, subreg_regno): Define prototypes.
4015 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
4016 (gen_lowpart_SUBREG): Add prototype.
4017 * rtl.texi (subreg): Update to reflect new byte offset representation.
4018 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
4019 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
4020 (reg_overlap_mentioned_p): Use subreg_regno.
4021 (replace_regs); Make sure final offset of combined subreg is
4022 congruent to size of subreg's mode.
4023 (subreg_regno_offset): New function.
4024 (subreg_regno): New function.
4025 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
4026 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
4027 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
4028 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
4029 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4030 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4031 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4032 (print_operand): Use SUBREG_BYTE.
4033 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4034 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4035 (arm_reload_out_hi): Use SUBREG_BYTE.
4036 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4037 instead of SUBREG_WORD.
4038 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4039 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4040 SUBREG creation to use byte offset.
4041 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4042 inverted load insns): Fix explicit rtl subregs to use byte
4044 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4045 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4046 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4047 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4048 to use byte offsets.
4049 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4050 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4051 offsets, also make sure it is congruent to SUBREG's mode size.
4052 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4053 unnamed ldob insn): Generate SUBREGs with byte offset.
4054 (zero_extendqihi2): SUBREG's are byte offsets.
4055 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4056 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4057 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4058 zero-extendqisi2): Generate SUBREGs with byte offset.
4059 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4060 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4061 subregs in rtl to use byte offsets.
4062 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4063 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4064 (mips_move_2words): Use subreg_regno_offset.
4065 (mips_secondary_reload_class): Use subreg_regno_offset.
4066 * config/mips/mips.md (DImode plus, minus, move, and logical op
4067 splits): Fixup explicit subregs in rtl to use byte offsets.
4068 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4069 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4070 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4071 rtl to use byte offsets.
4072 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4073 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4074 subregs to use byte offsets.
4075 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4076 Fixup explicit subregs in rtl to use byte offsets.
4077 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4078 and remove byte endian correction code.
4079 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4080 (gen_ashift_hi): Use SUBREG_BYTE.
4081 (regs_used): Use subreg_regno_offset.
4082 (machine_dependent_reorg): Use subreg_regno_offset.
4083 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4084 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4085 (movdf_i4): Subregs are byte offsets now.
4086 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4087 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4088 (REGMODE_NATURAL_SIZE): Override.
4089 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4090 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4092 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4093 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4094 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4095 it is congruent to SUBREG's mode size.
4096 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4098 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4099 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4100 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4101 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4102 * config/v850/v850.c (print_operand, output_move_double): Use
4103 subreg_regno function.
4105 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4107 * configure.in (target_subdir): Use target_alias, not target.
4108 * configure: Rebuilt.
4110 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4112 * config/sh/crti.asm: Fix typos in comments.
4114 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4116 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4117 TARGET_FAST_INDIRECT_CALLS.
4118 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4120 (return_addr_rtx): Short circuit export stub matching when
4121 TARGET_NO_SPACE_REGS.
4122 (output_millicode_call): For out of range calls, make -fPIC
4123 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4124 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4125 * pa.md: Modify length attr calculation of all millicode insns to
4128 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4130 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4131 Require at least 2.11 in the version test. Specifically check
4132 for and reject GAS version 2.10.90.
4133 * configure: regenerate.
4135 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4137 * pa.c (override_options): Remove PIC profiling warning.
4138 (hp_profile_labelno): Delete.
4139 (hp_profile_label_rtx): Delete.
4140 (hp_profile_label_name): Delete.
4141 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4142 (output_function_prologue): Remove profiling code and all tests on
4143 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4144 merge_sp_adjust_with_store can work for PIC and profiling.
4145 (hppa_expand_epilogue): Remove profile_flag test.
4146 (hppa_can_use_return_insn_p): Likewise.
4147 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4148 cater for PROFILE_HOOK.
4149 (hppa_profile_hook): New function.
4150 * pa.h (FUNCTION_PROFILER): Now does nothing.
4151 (PROFILE_HOOK): Define.
4152 (hppa_profile_hook): Declare.
4153 (PROFILE_BEFORE_PROLOGUE): Delete.
4154 (ASM_OUTPUT_REG_PUSH): Delete.
4155 (ASM_OUTPUT_REG_POP): Delete.
4156 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4157 r24. Accept function name operand, and use this and a locally
4158 generated label to calculate pc-rel offset to func start.
4160 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4162 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4163 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4166 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4168 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4169 LO_SUM cases to where they belong.
4171 2001-04-02 Richard Henderson <rth@redhat.com>
4173 * except.h (lang_eh_type_covers): Mark extern.
4174 (lang_eh_runtime_type): Likewise.
4176 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4178 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4179 gengenrtl.c: Wrap generated header in multiple-include guard.
4180 Improve error checking.
4182 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4184 * configure.in: Don't check for putenv.
4185 * configure: Regenerate.
4186 * gcc.c (putenv): Don't define.
4187 * vax/xm-vms.h: Handle putenv.
4189 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4191 * ifcvt.c (noce_emit_move_insn): New.
4192 (noce_try_store_flag, noce_try_store_flag_constants,
4193 noce_try_store_flag_inc, noce_try_store_flag_mask,
4194 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4195 noce_try_abs): Use it.
4196 (noce_process_if_block): Likewise.
4197 For STRICT_LOW_PART, take mode from its SUBREG.
4199 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4201 * fold-const.c (fold): Before optimizing unsigned comparison with
4202 0x7fffffffU, make sure arg0 is integral type.
4204 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4206 * c-tree.texi: Document representation of wide strings.
4208 2001-04-01 Richard Henderson <rth@redhat.com>
4210 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4212 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4214 * i386.md: remove obsoleted comments.
4215 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4216 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4217 fix output template.
4219 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4221 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4223 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4225 * loop.c (load_mems): When generating a load from a pseudo, update
4228 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4230 * i386.c (ix86_split_long_move): Use change address to compensate
4231 stack pointer change in push instruction.
4233 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4235 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4236 instead of rtx_equal_p; fix the output template.
4238 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4240 * i386.c (ix86_expand_setcc): Support 64bit.
4241 (ix86_expand_int_movcc): Likewise.
4242 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4245 * i386.md (allocate_stack_worker): Turn to expander.
4246 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4248 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4250 2001-03-29 Richard Henderson <rth@redhat.com>
4252 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4254 2001-03-28 Matthew Hiller <hiller@redhat.com>
4256 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4259 * MAINTAINERS: Added self.
4261 2001-03-28 Richard Henderson <rth@redhat.com>
4263 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4264 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4266 2001-03-28 Jim Wilson <wilson@redhat.com>
4268 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4271 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4273 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4275 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4278 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4280 2001-03-28 DJ Delorie <dj@redhat.com>
4282 * Makefile.in (stage1_build): Revert CFLAGS patch.
4284 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4286 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4287 when multiplier or multiplicand is zero.
4289 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4291 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4293 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4295 (set_src_needs_barrier): Likewise.
4296 (rtx_needs_barrier): For SET case, use these two functions. Rework
4297 PARALLEL case to handle all inputs before all outputs.
4298 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4299 saw a label and no stop bit since then.
4300 (maybe_rotate, process_epilogue): Add prototypes.
4302 2001-03-28 Richard Henderson <rth@redhat.com>
4304 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4305 not TARGET_TOC for special toc restore handling.
4306 * config/rs6000/rs6000.md (eh_return): Likewise.
4308 2001-03-28 Richard Henderson <rth@redhat.com>
4310 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4311 current_function_calls_eh_return.
4312 (output_function_epilogue): Handle eh_return.
4313 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4314 (EH_RETURN_DATA_REGNO): New.
4315 (EH_RETURN_STACKADJ_RTX): New.
4316 (EH_RETURN_HANDLER_RTX): New.
4317 * config/sparc/sparc.md (call/short branch peepholes): Check
4318 can_throw_internal instead of in_same_eh_region.
4320 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4321 for eh_return data registers.
4322 (rs6000_emit_prologue): Save eh_return data registers.
4323 (rs6000_emit_epilogue): Force inline restores if eh_return.
4324 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4325 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4326 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4327 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4328 the target uses one.
4329 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4330 (return_eh_si, return_eh_di): Remove.
4331 (eh_return): New, from corpse of eh_epilogue.
4332 (eh_set_lr_si, eh_set_lr_di): New.
4334 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4335 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4336 True for pic register if current_function_calls_eh_return.
4337 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4338 Handle eh_return requirements.
4339 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4340 (EH_RETURN_STACKADJ_RTX): New.
4341 * config/i386/i386.md (exception_receiver): Remove.
4342 (eh_return, eh_return_1): New.
4343 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4345 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4346 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4347 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4348 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4349 (EH_RETURN_DATA_REGNO): New.
4350 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4351 * config/alpha/alpha.md (eh_epilogue): Remove.
4352 (exception_receiver): Use $26 for ldgp input.
4353 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4355 2001-03-28 Richard Henderson <rth@redhat.com>
4357 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4358 * except.h: Likewise.
4360 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4361 (LIB2ADDEHDEP): New.
4362 (LIB2FUNCS_EH): Remove.
4363 (LIB2ADD): Remove LIB2ADDEH.
4364 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4365 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4366 (crt{begin,end}[S].o): Likewise.
4367 (except.o): Update includes.
4368 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4369 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4371 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4372 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4373 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4374 * builtins.c (expand_builtin): Implement it.
4375 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4376 * c-common.c (c_common_nodes_and_builtins): Declare it.
4377 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4378 * calls.c (libfunc_nothrow): Remove.
4379 (emit_library_call_value_1): Don't call it.
4380 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4381 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4382 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4383 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4384 (current_funcdef_number): Globalize.
4385 (output_call_frame_info): Emit frame data if an lsda is needed.
4386 Generate augmentation for personality routine. Don't play with
4388 (dwarf2out_begin_prologue): Record funcdef_number.
4389 * dwarf2out.h (current_funcdef_number): Declare.
4390 * expr.c (expand_expr): Update for except.h name changes.
4391 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4392 * expr.h (LTI_throw, LTI_rethrow): Remove.
4393 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4394 (LTI_eh_rtime_match): Remove.
4395 (LTI_unwind_resume, LTI_eh_personality): Add.
4396 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4397 * final.c (final): Don't call check_exception_handler_labels,
4398 init_insn_eh_region, or free_insn_eh_region.
4399 (final_scan_insn): Always emit debug labels for
4400 NOTE_INSN_EH_REGION notes.
4401 * flags.h (flag_new_exceptions): Remove.
4402 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4403 (record_active_eh_regions): Remove.
4404 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4405 Use can_throw_internal.
4406 (find_basic_blocks_1): Likewise.
4407 (move_stray_eh_region_notes): Remove.
4408 (find_label_refs): No eh_return_stub_label.
4409 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4410 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4412 (delete_unreachable_blocks): Don't track deleted handlers.
4413 (flow_delete_block): Use maybe_remove_eh_handler.
4414 (delete_eh_regions): Remove.
4415 (merge_blocks): Don't check for eh region match.
4416 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4417 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4418 (init_propagate_block_info): Disable dead frame store optimization
4419 when current_function_calls_eh_return.
4420 (dump_bb): Don't print eh_beg, eh_end.
4421 * function.c (fixup_var_refs): No catch_clauses.
4422 (expand_function_end): Likewise. Call expand_eh_return before
4423 the return register use. Call sjlj_emit_function_exit_after.
4424 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4425 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4426 * ifcvt.c (dead_or_predicable): Remove eh region check.
4427 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4428 Don't check for EH vs parameters.
4429 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4430 (expand_inline_function): Call duplicate_eh_regions.
4431 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4432 (copy_insn_notes): Remap REG_EH_REGION notes.
4433 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4434 * integrate.h (struct inline_remap): Add local_return_label.
4435 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4436 check_exception_handler_labels, nor exception_optimize.
4437 (find_cross_jump): No EH region check.
4438 * optabs.c (init_optabs): Update for changed eh libfuncs.
4439 * rtl.def (RESX): New.
4440 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4441 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4442 checks. Update for except.h name changes.
4443 (expand_cleanups): Likewise.
4444 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4445 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4446 (compile_file): Call init_eh before init_optabs. Don't
4447 output_exception_table here.
4448 (rest_of_compilation): Call convert_from_eh_region_ranges,
4449 convert_to_eh_region_ranges, output_function_exception_table.
4450 Don't emit_eh_context.
4451 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4452 (EXC_PTR_EXPR): New.
4454 * md.texi (eh_epilogue): Remove.
4455 (eh_return): Document.
4456 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4457 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4459 * eh-common.h: Remove file.
4460 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4461 * libgcc2.c (L_eh): Remove.
4463 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4464 * unwind-dw2-fde.h: New file.
4465 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4466 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4467 * libgcc-std.ver: Update for eh symbols.
4469 2001-03-27 Richard Henderson <rth@redhat.com>
4471 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4472 reduce false positives.
4473 (regmove_optimize): Disable if flag_non_call_exceptions.
4475 * stmt.c (expand_return): Remove always true predicate.
4476 (expand_decl_cleanup_no_eh): Remove dead code.
4478 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4479 barrier code. Add a scheduling barrier if a non-call insn
4480 can throw internally.
4482 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4483 Auto-inc addresses trap only if their base register does.
4485 * except.c (can_throw_internal): Rename from can_throw.
4486 * except.h, resource.c: Update references.
4488 * integrate.c (copy_insn_list): Use returnjump_p.
4489 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4491 * function.h (struct function): Move all boolean valued fields
4492 to single bit fields at the end of the struct.
4494 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4496 Rename asynchronous_exceptions to flag_non_call_exceptions.
4498 * gthr-single.h (UNUSED): New. Distinguish between how C
4499 and C++ mark unused function arguments. Use throughout.
4501 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4502 value to target configuration header.
4503 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4504 * config.in, configure: Rebuild.
4505 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4506 configuration and target defines.
4507 (exceptions_via_longjmp): Remove.
4508 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4509 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4511 * except.h (flag_non_call_exceptions): Move ...
4512 * flags.h: ... here.
4514 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4515 exceptions, put the note on the trapping instruction.
4517 * flags.h (flag_new_exceptions): Remove.
4518 * toplev.c: Don't set it.
4519 * final.c: Don't check it.
4520 * except.c: Provide stub definition.
4522 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4523 (calculate_global_regs_live): Kill call-clobbered registers
4524 across exception edges.
4525 * reg-stack.c (convert_regs_1): Kill the entire target stack
4526 across non-call exception edges.
4528 * flow.c (cleanup_cfg): Take no argument.
4529 * output.h, sibcall.c, toplev.c: Update all calls.
4531 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4533 * configure.in: Don't check for bcopy.
4534 * configure, config.in: Regenerate.
4536 * system.h: Don't define or prototype bcopy, instead poison it.
4538 2001-03-27 Richard Henderson <rth@redhat.com>
4540 * function.c (expand_function_start): Set DECL_REGISTER on
4541 a pseudo used for DECL_RESULT.
4543 * rtl.h (LCT_NORETURN): New.
4544 * calls.c (emit_library_call_value_1): Handle it.
4546 2001-03-27 Stan Shebs <shebs@apple.com>
4548 * objc/objc-act.c (objc_init): Use dump_base_name.
4549 (gen_declaration): Clear the buffer arg.
4550 (gen_declaration_1): New function, body of gen_declaration.
4551 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4552 (gen_method_decl): Ditto, plus always clear buffer arg.
4553 (error_with_ivar): Simplify.
4554 (warn_with_method): Ditto.
4555 (build_message_expr): Don't clear buffers.
4556 (dump_interface): Ditto.
4557 (objc_debug): Ditto.
4558 (build_keyword_selector): Clear the buffer by only zeroing
4560 (objc_implementation_context): Declare.
4561 (start_class): Warn about missing @end.
4562 (finish_objc): Ditto.
4564 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4566 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4568 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4570 * Makefile.in (SYSTEM_H): Define.
4571 Depend on $(SYSTEM_H), not system.h.
4573 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4575 2001-03-27 Jim Wilson <wilson@redhat.com>
4577 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4579 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4580 (process_epilogue): New static function.
4581 (process_set): Call process_epilogue instead of emitting .restore
4583 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4585 * flow.c (struct reg_cond_life_info): New fields orig_condition
4587 (init_propagate_block_info): Set new fields.
4588 (mark_regno_cond_dead): Set and use new fields.
4589 (flush_reg_cond_reg_1): Likewise.
4590 (and_reg_cond, case AND): Check for redundant AND conditions.
4591 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4594 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4596 * cppmacro.c (stringify_arg): Null terminate strings.
4598 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4600 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4601 inclusion style. xm-m68hc11.h no longer exists.
4602 * config/m68hc11/xm-m68hc11.h: Delete file.
4603 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4605 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4606 Don't define GCC_VERSION, N_, or PARAMS; don't include
4607 gansidecl.h or stdio.h. Define inhibit_libc here.
4608 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4609 Delete code conditioned on #if GCC_VERSION == 2095.
4611 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4612 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4613 Delete code conditioned on #if GCC_VERSION == 2095.
4615 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4617 * system.h: Include symcat.h.
4618 (STRINGIFY): Don't define.
4620 * configure.in: Adjust comment.
4622 * builtins.c: Use STRINGX, not STRINGIFY.
4623 * gencheck.c: Likewise.
4624 * gengenrtl.c: Likewise.
4625 * protoize.c: Likewise.
4627 * cpplex.c: Don't include symcat.h.
4628 * cpplib.c: Likewise.
4630 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4632 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4634 * c-typeck.c (digest_init): Fold init expression.
4636 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4638 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4640 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4642 * except.c (eh_regs): Save results of build_pointer_type to a temp
4643 as FUNCTION_VALUE macro may evaluate its args multiple times.
4645 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4647 * c-common.h (DECL_NUM_STMTS): New macro.
4648 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4650 (pushdecl): Likewise.
4651 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4652 * integrate.c (expand_inline_function): Don't check
4654 * print-tree.c (print_node): Don't print it.
4655 * toplev.c (rest_of_compilation): Don't try to inline when
4656 flag_no_inline is on.
4657 * tree.h (DECL_FRAME_SIZE): Remove.
4658 (tree_decl): Adjust accordingly.
4660 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4662 * combine.c (try_combine): Use memcpy, not bcopy.
4664 * genattrtab.c (expand_units): Likewise.
4666 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4668 * i386.md (push mem DI peep2): New.
4669 (mov 0, mov -1 peep2): Handle 64bit.
4670 (lea to arithmetics peep2): Handle 64bit leas.
4671 (rsp arithmetics to push/pop peep2s): New.
4673 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4675 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4677 * i386.c (struct machine_function): Add save_varrargs_registers.
4678 (ix86_save_varrargs_registers): New macro.
4679 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4680 (ix86_expand_prologue): Likewise.
4681 (ix86_emit_epilogue_esp_adjustement): Likewise.
4682 (ix86_expand_epilogue): Likewise.
4683 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4684 (pro_epilogue_adjust_stack_1): New insn.
4685 (pro_epilogue_adjust_stack_rex64): Likewise.
4686 * i386.h (MASK_NO_RED_ZONE): New constant.
4687 (TARGET_RED_ZONE): New macro.
4688 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4689 (RED_ZONE_SIZE): New constant.
4690 (RED_ZONE_RESERVE): New constant.
4692 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4694 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4696 2001-03-25 Kazu Hirata <kazu@hxi.com>
4698 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4701 (umodhi3): Likewise.
4704 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4706 * mkconfig.sh (DEFINES): Handle entries with '='.
4708 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4709 Set xm_defines to MACRO=value instead.
4711 * i370/xm-mvs.h: Delete.
4713 * ns32k/xm-pc532-min.h: Likewise.
4715 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4717 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4719 use ix86_expand_binary_operator
4720 (?sh??i_?): Disable for 64bit.
4721 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4722 * i386.c (shiftdi_operand): New predicate.
4724 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4725 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4726 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4727 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4728 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4729 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4730 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4731 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4732 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4733 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4734 (rotldi3, rotrdi3): New expanders.
4736 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4738 * i386.md (movstrsi): Move offline.
4740 (strmovdi_rex64): New.
4741 (strmov?i): Accept 64bit.
4742 (strmov?i_rex64): New.
4743 (strmov?i_rex_1): New.
4744 (strmov?i_1): Disable for 64bit.
4745 (rep_mov?i_rex64): New.
4746 (rep_mov?i): Disable for 64bit.
4747 (clrstrsi): Move offline.
4748 (strset?i_rex64): New.
4749 (strset?i: Accept 64bit.
4750 (rep_stos?i): Disable for 64bit.
4751 (rep_stos?i_rex64): New.
4752 (strset?i_rex_1): New.
4753 (strset?i_1): Disable for 64bit.
4754 (cmpstrsi): Accept 64bit.
4755 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4756 (cmpstrqi_nz_rex_1): New.
4757 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4758 (strlensi): Move offline.
4760 (strlenqi_1): Disable for 64bit; fix constraints.
4761 (strlenqi_rex_1): New.
4762 * i386.c (ix86_adjust_counter): New static function.
4763 (ix86_zero_extend_to_Pmode): Likewise.
4764 (ix86_expand_aligntest): Likweise.
4765 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4766 (ix86_expand_movstr): New global function.
4767 (ix86_expand_clrstr): New global function.
4768 (ix86_expand_strlen): New global function.
4769 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4770 ix86_expand_strlen): Declare.
4771 (ix86_expand_strlensi_unroll_1): Delete.
4773 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4775 * i386.md (cmpdi): Fix operand predicates.
4776 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4777 cmpdi_1_insn_rex64): New patterns.
4778 (adddi3): Turn to expander.
4779 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4780 (addsi3_carry_zext): New pattern.
4781 (adddi_?_rex64): New patterns and splitters.
4782 (addsi_?_zext): New patterns.
4783 (subsi3_carry_zext): New pattern.
4784 (subdi_?_rex64): New patterns and splitters.
4785 (iorsi_?_zext): New patterns.
4786 (iordi_?_rex64): New patterns and splitters.
4787 (iorsi_?_zext): New patterns.
4788 (iorsi_?_zext_imm): New patterns.
4789 (xorsi_?_zext): New patterns.
4790 (xordi_?_rex64): New patterns and splitters.
4791 (xorsi_?_zext): New patterns.
4792 (negdi*): New patterns.
4793 (one_cmpldi*): Likewise.
4794 (one_cmplsi*_zext, negsi*_zext): Likewise.
4795 (testqi_ext_3_rex64): New pattern.
4797 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4799 * i386-protos.h (ix86_split_long_move): Return void.
4800 * i386.c (ix86_split_to_parts): Handle 64bit target.
4801 (ix86_split_long_move): Likewise.
4802 * i386.md (all calls to ix86_split_long_move): Update.
4804 2001-03-23 Richard Henderson <rth@redhat.com>
4806 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4807 to avoid shadowing arguments.
4809 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4811 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4812 to variable names where DECL_NAME is different from
4813 DECL_ASSEMBLER_NAME.
4815 2001-03-23 Jim Wilson <wilson@redhat.com>
4817 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4818 (assemble_alias): Call make_decl_rtl.
4820 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4822 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4824 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4826 * extend.texi: Document the "java_interface" attribute.
4828 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4830 * mkconfig.sh: Use a subshell with redirected stdout,
4831 instead of closing stdout and confusing commands that run
4832 afterward. Throw away output of cmp.
4834 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4836 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4838 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4840 * i386.md (zero_extendsidi2_32): Break out from ...
4841 (zero_extendsidi2): ... here ; turn to expander.
4842 (zero_extendsidi2_rex64): New.
4843 (extendsidi2_32): Break out from ...
4844 (extendsidi2): ... here ; turn to expander.
4845 (extendsidi2_rex64): New.
4846 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4847 (trunc?f?f splitters): Add 64bit versions.
4849 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4851 * i386.md (pushsi, pushsi2_prologue): Disable.
4852 (pushsi2_rex64): New.
4853 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4854 (movqi_ext_1): Disable for 64bit.
4855 (movqi_ext_1_rex64): New.
4856 (pushdi2_rex64): New pattern, peep2s and splitter.
4857 (pushdi2_prologue_rex64): New pattern.
4858 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4860 (movdi splitters): Disable for 64bit.
4861 (movdi_1_rex64): New pattern, peep2s and splitters.
4862 (swapdi): New pattern.
4863 (pushsf): Disable for 64bit.
4864 (pushsf_rex64): New pattern and splitter.
4865 (pushdf_nointeger): Disable for 64bit.
4866 (pushdf_integer): Handle the 64bit case.
4867 (pushtf): Likewise; update splitters.
4869 2001-03-22 Richard Henderson <rth@redhat.com>
4871 * mkconfig.sh: Include insn-flags.h.
4872 * Makefile.in (CONFIG_H): Include insn-flags.h.
4873 (lots of objects): Remove insn-codes.h and insn-flags.h.
4875 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4876 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4877 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4878 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4879 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4880 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4881 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4882 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4883 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4884 v850/v850.c, vax/vax.c:
4885 Don't include insn-flags.h.
4887 * diagnostic.c, expr.h, reload.c, toplev.c:
4888 Don't include insn-codes.h.
4890 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4891 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4892 c4x/c4x.c, i960/i960.c, mips/mips.c:
4893 Don't include insn-codes.h or insn-flags.h.
4895 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4896 or insn-flags.h in the generated code.
4897 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4898 (main): Forward declare struct rtx_def.
4900 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4902 * invoke.texi (-ffast-math): Remove duplicate line about
4905 * gcc.texi: Remove more obsolete documentation of bugs and
4906 installation problems.
4908 2001-03-21 Kazu Hirata <kazu@hxi.com>
4910 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4913 2001-03-20 Jason Merrill <jason@redhat.com>
4915 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4917 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4918 * varasm.c (CHKR_PREFIX): Likewise.
4920 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4922 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4923 is part of a multi-SET insn.
4925 * cse.c (find_comparison_args): Remove previous change.
4926 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4929 * config/i386/i386.md (conditional_trap): Remove warning.
4931 * recog.c (push_operand): Fix error in last change that caused
4932 undefined symbol on many targets.
4934 * sdbout.c: #include ggc.h.
4935 (sdbout_init): Move to end of file.
4936 Call ggc_add_tree_root for anonymous_types.
4937 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4938 (sdbout_one_type): Use DECL_NAME for field name.
4939 * Makefile.in (sdbout.o): Show includes ggc.h.
4941 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4943 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4944 (override_options): Use properlimits for preferred_stack_boundary.
4945 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4947 (ext_register_operand): Accept DImode.
4948 (load_pic_register): Abort on 64bit.
4949 (gen_push): Use Pmode instead of SImode.
4950 (ix86_save_reg): Pic reg is never used on 64bit.
4951 (ix86_expand_prologue): Likewise.
4952 (ix86_emit_save_regs): Use Pmode instead of SImode.
4953 (legitimate_address_p): Check displacement for 64bit.
4954 (print_operand): Avoid outputting of (%rip) on 64bit.
4955 (print_operand_address): Output (%rip) where possible.
4956 (split_di): Abort on 64bit registers.
4957 (ix86_expand_branch): DImode comparison is simple for x86_64.
4958 (memory_address_length): Recognize memory addresses formed using
4960 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4962 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4964 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4966 * recog.c (push_operand): Recognize new format of push instructions.
4968 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4970 * i386.md (pushqi1): New.
4971 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4972 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4973 x86_64_immediate_operand, x86_64_immediate_operand,
4974 x86_64_zext_immediate_operand): Declare.
4975 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4976 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4977 x86_64_immediate_operand, x86_64_immediate_operand,
4978 x86_64_zext_immediate_operand): define.
4979 * i386.h (PREDICATE_CODES): Add new predicates.
4981 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4983 * i386.md (pophi1, popqi1, pushqi1): Remove.
4985 * expr.c (emit_single_push_insn): New function.
4986 (move_by_pieces): Accept NULL as destination for push instructions.
4987 (gen_push_operand): Kill.
4988 (emit_push_insn): Pass NULL when pushing; avoid updating of
4989 stack_pointer_delta.
4990 * expr.h (gen_push_operand): Kill.
4992 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4994 * rtl.texi (COMPARE): Clarify documentation and reference section
4997 2001-03-20 Stan Shebs <shebs@apple.com>
4999 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
5000 (get_object_reference): Ditto.
5001 (error_with_ivar): Use error_with_file_and_line.
5002 (warn_with_method): Use warning_with_file_and_line.
5004 2001-03-20 Tom Tromey <tromey@redhat.com>
5006 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
5008 2001-03-20 Mark Mitchell <mark@codesourcery.com>
5010 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
5011 variables that are TREE_PUBLIC, even if not TREE_STATIC.
5013 2001-03-20 DJ Delorie <dj@redhat.com>
5015 * Makefile.in (install-libgcc): Pass complete list of variables.
5016 (install-multilib): Ditto.
5018 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5020 * config/i386/cygwin.h: Declare ctor_section, dtor_section
5021 drectve_section, switch_to_section.
5023 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
5024 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
5025 i386_pe_mark_dllimport.
5027 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
5029 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5030 functions i386_pe_*.
5032 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5033 i386_pe_* functions with char * arguments.
5035 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5037 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5039 (movsi_ie): Introduce fpul store.
5041 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5043 * Makefile.in (OBJS): Remove hashtab.o.
5045 2001-03-19 Stan Shebs <shebs@apple.com>
5047 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5048 * c-lang.c (maybe_objc_method_name): Ditto.
5049 * c-tree.h (maybe_objc_method_name): Remove decl.
5051 2001-03-19 Tom Tromey <tromey@redhat.com>
5053 * gcc.c (init_gcc_specs): Fix comment.
5055 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5057 Compute DECL_ASSEMBLER_NAME lazily.
5058 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5059 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5060 (SET_DECL_ASSEMBLER_NAME): Likewise.
5061 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5062 (set_decl_assembler_name): Declare.
5063 (lang_set_decl_assembler_name): Likewise.
5064 * tree.c (lang_set_decl_assembler_name): New variab.e
5065 (set_decl_assembler_name): New function.
5066 (init_obstacks): Set lang_set_decl_assembler_name.
5067 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5068 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5069 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5070 where it's not necessary.
5071 (builtin_function): Likewise.
5072 (finish_decl): Likewise.
5073 * dbxout.c (dbxout_type_methods): Likewise.
5074 * ggc-common.c (ggc_mark_trees): Likewise.
5075 * profile.c (output_func_start_profiler): Likewise.
5076 * varasm.c (make_decl_rtl): Likewise.
5078 * cse.c (find_comparison_args): Update documentation. Fix
5079 mishandling of COMPARE operations.
5081 * tree.def (ABS_EXPR): Add documentation.
5082 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5084 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5086 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5088 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5090 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5091 Remove ia32 linux PIC kludge and move it...
5092 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5094 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5096 * i386.md (absdf2 expander): Fix 64bit case.
5098 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5100 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5102 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5104 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5106 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5108 * README.X11: Remove obsolete file.
5110 2001-03-18 Anthony Green <green@redhat.com>
5112 * config/pj/pj.h: Remove some trailing commas.
5113 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5115 2001-03-18 Richard Henderson <rth@redhat.com>
5117 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5118 * calls.c: ... here.
5119 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5120 defaults for them here.
5122 2001-03-17 Anthony Green <green@redhat.com>
5124 * config/pj/lib1funcs.S: Fix broken comment.
5125 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5128 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5130 * gcc.texi: Remove obsolete information relating to build and
5131 installation problems with enquire or the Pyramid C compiler.
5133 2001-03-17 Richard Henderson <rth@redhat.com>
5135 * dwarf2out.c (queue_reg_save): New.
5136 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5137 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5139 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5140 (cfa, cfa_store, cfa_temp): Make static.
5141 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5143 2001-03-17 Richard Henderson <rth@redhat.com>
5145 * integrate.h (struct inline_remap): Add local_return_label.
5146 * integrate.c (expand_inline_function): Initialize it and emit
5147 it after copy_insn_notes.
5148 (copy_insn_list): Don't store local_return_label here.
5149 (copy_insn_notes): New function split out from copy_insn_list.
5151 2001-03-17 Richard Henderson <rth@redhat.com>
5153 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5154 is generating .debug_line.
5155 (dwarf2out_init): Add main_input_filename to the file table first.
5156 * configure.in (as_dwarf2_debug_line): Test with file number 1
5157 instead of file number 0.
5159 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5161 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5162 (gen_rtx_combine): Deleted; all references changed as appropriate.
5163 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5165 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5167 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5169 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5172 2001-03-16 Jim Wilson <wilson@redhat.com>
5174 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5175 then set it to LOC_REG (79) instead of aborting.
5177 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5179 * gccbug.in: Remove high priority.
5181 2001-03-16 Richard Henerson <rth@redhat.com>
5183 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5184 output with a space instead of deleting it.
5185 * configure: Regenerate.
5187 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5189 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5190 handles the gory details of converting an object file into
5191 something that's safe to grep.
5192 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5193 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5194 newlines at either end of the string we're looking for.
5195 Make 'checking ...' message less stilted.
5196 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5197 ARM in-memory layout and its hypothetical converse. Don't
5198 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5199 HOST_WORDS_BIG_ENDIAN.
5201 * configure.in: Adjust for renamed macro. Move
5202 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5203 * configure, config.in: Regenerate.
5205 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5207 * fixinc/Makefile.in: Set SHELL.
5209 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5211 * fixinc/fixincl.c (fix_with_system): Quote file names before
5212 passing them to shell.
5214 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5216 * Makefile.in: Use fix-header$(build_exeext) instead
5219 2001-03-16 Richard Henderson <rth@redhat.com>
5221 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5222 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5223 (size_of_line_prolog): Remove.
5224 (output_line_info): Compute prologue size via label difference.
5225 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5227 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5228 assembler error when redefining file numbers.
5229 * config.in, configure: Rebuild.
5231 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5232 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5233 (dw2_asm_output_delta_uleb128): Likewise.
5234 (dw2_asm_output_delta_sleb128): Similarly.
5235 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5237 2001-03-16 Michael Meissner <meissner@redhat.com>
5239 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5241 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5243 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5245 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5246 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5247 being unsigned in ISO C and signed in traditional.
5248 (expand_prologue): Ditto.
5249 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5251 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5253 (divsi3,divdi3): Ditto.
5254 (modsi3,moddi3): Ditto.
5255 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5256 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5257 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5260 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5262 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5263 SSE based conditional moves on LTGT/UNEQ conditions;
5264 Canonicalize EQ to NE.
5265 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5266 (sse_mov?fcc_ne): New.
5268 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5270 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5272 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5273 register may be dead.
5275 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5277 * Makefile.in (hash.o): Depend on CONFIG_H.
5279 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5281 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5283 2001-03-15 Richard Henderson <rth@redhat.com>
5285 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5286 (ASM_OUTPUT_DWARF_PCREL): New.
5287 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5289 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5291 * cppfiles.c (stack_include_file): Use MAX of sysp.
5293 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5295 * config.gcc (ia64*-*-hpux*): New case.
5296 * config/ia64/hpux.h: New file for HP-UX support.
5297 * config/ia64/t-hpux: New file for HP-UX support.
5299 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5301 * fixinc/inclhack.def (irix_stdio_va_list): New.
5302 * fixinc/fixincl.x: Rebuilt.
5304 2001-03-15 Richard Henderson <rth@redhat.com>
5306 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5307 if provided by the target.
5308 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5309 (dw2_asm_output_addr): New.
5310 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5311 * dwarf2out.c (output_cfi): Use it for program addresses.
5312 (output_call_frame_info, output_die): Likewise.
5313 (output_aranges, output_line_info): Likewise.
5315 2001-03-15 Bruce Korb <bkorb@gnu.org>
5317 * gcc.c(main): make more rigorous
5318 * collect2.c(main): guard against ignoring SIGCHLD
5319 * protoize.c(main): ditto
5320 * gcc/fixinc/fixincl.c(initialize): ditto
5322 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5324 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5325 (sdbout_parms): Likewise.
5327 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5329 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5330 "widen" a destination that is already wider than a word. Also do
5331 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5333 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5335 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5337 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5339 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5341 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5343 * i960.h (i960_maxbitalignment,
5344 i960_last_maxbitalignment): Declare.
5345 * i960.c (i960_maxbitalignment,
5346 i960_last_maxbitalignment): Make global.
5347 (process_pragma): Delete.
5348 (i960_pr_align, i960_pr_noalign): Move from here ...
5349 * i960-c.c: ... to this new file.
5350 * t-960bare (i960-c.o): New rule.
5351 * t-vxworks960 (i960-c.o): Likewise.
5352 * config.gcc (i960-*-*): Define c_target_objs and
5355 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5357 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5358 without adding in rtx code and mode.
5360 * alias.c (init_alias_analysis): Don't use any rtx whose value
5361 varies as a known value.
5362 Delete a superfluous test.
5364 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5366 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5367 scheduling a stop bit.
5368 (ia64_emit_nops): Correctly handle ASMs.
5370 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5372 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5374 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5376 * cpp.texi: Update documentation for -include and -imacros.
5377 * cppfiles.c (struct include_file): Remove "defined" memeber.
5378 (find_or_create_entry): Make a copy of the file name, and
5380 (open_file): Update to ensure we use the simplified filename.
5381 (stack_include_file): Don't set search_from.
5382 (cpp_included): Don't simplify the path name here.
5383 (find_include_file): New prototype. Call search_from to
5384 get the start of the "" include chain. Don't simplify the
5386 (_cpp_execute_include): New prototype. Move diagnostics to
5387 do_include_common. Update.
5388 (_cpp_pop_file_buffer): Don't set defined.
5389 (search_from): New prototype. Use the preprocessor's cwd
5390 for files included from the command line.
5391 (read_name_map): Don't simplify the pathname here.
5392 * cpphash.h (enum include_type): New.
5393 (struct buffer): Delete search from. New search_cached.
5394 (_cpp_execute_include): Update prototype.
5395 * cppinit.c (do_includes): Use _cpp_execute_include.
5396 * cpplib.c (do_include_common): New function.
5397 (do_include, do_include_next, do_import): Use it.
5399 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5401 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5402 contents of the RTL, to determine the name of the object.
5404 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5406 * tree.h (DECL_RTL): Allocate RTL lazily.
5407 (SET_DECL_RTL): New macro.
5408 (DECL_RTL_SET_P): Likewise.
5409 (COPY_DECL_RTL): Likewise.
5410 (DECL_RTL_IF_SET): Likewise.
5411 * varasm.c (make_decl_rtl): Add assertions about the kind of
5412 declaration we are processing.
5413 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5414 (start_decl): Likewise.
5415 (finish_decl): Likewise.
5416 * c-semantics.c (emit_local_var): Likewise.
5417 * calls.c (expand_call): Likewise.
5418 * dbxout.c (dbxout_symbol): Likewise.
5419 * emit-rtl.c (unshare_all_rtl): Likewise.
5420 (unshare_all_decls): Likewise.
5421 (reset_used_decls): Likewise.
5422 * expr.c (store_constructor): Likewise.
5423 (safe_from_p): Likewise.
5424 (expand_expr): Likewise.
5425 * function.c (put_var_into_stack): Likewise.
5426 (instantiate_decls_1): Likewise.
5427 (assign_parms): Likewise.
5428 (expand_function_start): Likewise.
5429 (expand_function_end): Likewise.
5430 * ggc-common.c (gcc_mark_trees): Likewise.
5431 * integrate.c (function_cannot_inline_p): Likewise.
5432 (copy_decl_for_inlining): Likewise.
5433 (expand_inline_function): Likewise.
5434 (integrate_parm_decls): Likewise.
5435 (integrate_decl_tree): Likewise.
5436 * print-tree.c (print_node): Likewise.
5437 * reg-stack.c (stack_result): Likewise.
5438 * stmt.c (label_rtx): Likewise.
5439 (expand_return): Likewise.
5440 (expand_decl): Likewise.
5441 (expand_decl_cleanup): Likewise.
5442 (expand_anon_union_decl): Likewise.
5443 * toplev.c (check_global_declarations): Likewise.
5444 (rest_of_decl_compilation): Likewise.
5445 * tree.c (simple_cst_equal): Likewise.
5446 * objc/objc-act.c (generate_static_references): Likewise.
5448 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5450 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5451 gcc_AC_C_FLOAT_FORMAT): New macros.
5452 * configure.in: Add AC_PROG_CPP after CC tests;
5453 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5454 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5455 * configure, config.in: Regenerate.
5457 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5458 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5459 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5460 config/i370/xm-linux.h, config/i370/xm-oe.h,
5461 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5462 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5463 config/pa/xm-linux.h, config/pa/xm-pa.h,
5464 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5465 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5466 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5467 config/we32k/xm-we32k.h: Delete.
5469 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5470 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5471 config/vax/xm-vms.h: Don't define any of:
5472 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5474 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5476 * config.gcc: Remove references to deleted files.
5477 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5478 FATAL_EXIT_CODE, which is the same between oe and mvs).
5480 2001-03-14 DJ Delorie <dj@redhat.com>
5481 Vladimir Makarov <vmakarov@redhat.com>
5483 * config/i960/i960.c (i960_function_prologue): Compute size of
5484 frame according to number of registers actually saved there.
5486 2001-03-14 Richard Henderson <rth@redhat.com>
5488 * expr.c (emit_move_insn_1): Fix else if around #endif.
5490 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5493 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5496 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5498 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5499 (override_options): Parse cmodel string.
5500 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5501 * i386.h (TARGET_OPTIONS): Add "cmodel".
5502 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5504 (ix86_cmodel_string, ix86_cmodel): Declare.
5506 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5509 * i386.h (GENERAL_REG_P): Add missing REG_P.
5511 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5513 * configure.in: Use $gcc_cv_as instead of $as.
5514 * configure: Regenerated.
5516 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5518 * cppfiles.c (stack_include_file): Only increase the include
5519 count if we actually process the file properly, as opposed
5520 to treating it as length zero. Only call read_include_file
5521 if not DO_NOT_REREAD. Handle the -H include file output
5523 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5524 (cpp_included, find_include_file): Simplify pathnames after
5525 remapping them. If remapping, don't use the remapped file
5526 name's buffer as our scratch buffer.
5527 (cpp_pop_file_buffer): Replace the multiple include macro
5528 only if it isn't yet set.
5529 (read_name_map): Simplify remapped names when reading in.
5530 (remap_filename): Move code to code path that uses it.
5531 (_cpp_simplify_pathname): Return the input pointer.
5532 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5534 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5536 * expr.c (expand_expr): Revove bogus conditional.
5538 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5540 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5542 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5544 * reg-stack.c (stack_result): Unconditionally use
5545 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5547 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5549 * expr.c (emit_move_insn_1): Split push of complex value when
5550 no suitable push instruction exist.
5552 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5553 instead of QI_REG_P.
5555 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5557 * alias.c (handled_component_p, can_address_p): New functions.
5558 (get_alias_set): Use them.
5560 2001-03-13 Jim Wilson <wilson@redhat.com>
5562 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5563 from 80 in try_locals code.
5564 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5566 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5568 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5569 gcc_AC_C_LONG_LONG): New.
5570 * configure.in: Use them. Probe the size of short, int, long,
5571 and long long/__int64 if we have them. Move all the AC_C_*
5572 checks together, except gcc_AC_C_CHAR_BIT which has to go
5573 after AC_CHECK_HEADERS(limits.h).
5574 Take hwint.h out of host_xm_file and build_xm_file.
5576 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5577 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5578 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5579 Move the HOST_WIDEST_INT setup logic here from system.h.
5580 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5582 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5583 is now handled by hwint.h.
5585 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5586 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5587 config/ia64/xm-ia64.h: Don't define any of:
5588 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5589 HOST_BITS_PER_LONGLONG.
5591 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5592 config/h8300/xm-h8300.h, config/mips/iris6.h,
5593 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5594 config/sparc/xm-sp64.h: Delete.
5595 * config.gcc: Remove references to deleted files.
5597 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5598 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5599 * config/i370/xm-linux.h: Clarify floating-point situation in
5602 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5604 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5605 (find_include_file): Decide here which part of the include
5606 chain to start the search. Complain about an empty include
5607 chain in all cases apart from an abolsute file name.
5608 (_cpp_execute_include): Don't choose the search chain here.
5609 Don't call handle_missing_include in the case of an empty
5611 (_cpp_compare_file_date): Don't choose the search chain here.
5612 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5613 here from _cpp_execute_include. Behave like #include if
5614 we're in the main file.
5616 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5618 * system.h (malloc, realloc, calloc, strdup): Only poison these
5619 tokens when IN_GCC is defined.
5621 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5623 * i386.md (abs?f expander): Support SSE case.
5624 (abd?f_if): Add new "USE"; add splitters.
5626 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5628 * cpp.texi (poison): Explain the macro expansion exception.
5630 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5632 * expr.c (store_expr): Add dont_store_target. If temp is already in
5633 target before copying to reg, don't store it into target again.
5635 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5637 * cppinternals.texi: Update for file handling.
5639 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5641 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5642 2001-02-24 which broke building the Java library.
5643 * function.c (identify_blocks): Likewise.
5644 (all_blocks): Likewise.
5645 * integrate.c (integrate_decl_tree): Likewise.
5646 * print-tree.c (print_node): Likewise.
5647 * tree.h (BLOCK_NUMBER): Likewise.
5648 (struct tree_block): Likewise.
5650 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5652 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5653 __WCHAR_TYPE__ definition.
5654 (WCHAR_TYPE_SIZE): #undef before #define.
5656 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5658 * cppfiles.c: Update comments.
5659 (destroy_include_file_node): Rename destroy_node.
5660 (find_or_create_entry): New function.
5661 (open_file, _cpp_fake_include): Use it.
5662 (handle_missing_header): New function, broken out of
5663 _cpp_execute include. Don't segfault if there is no
5664 system or quoted path.
5665 (_cpp_execute_include): Use handle_missing_header.
5667 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5669 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5670 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5672 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5674 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5675 unless anti_dependence says they are.
5676 * alias.c (objects_must_conflict): If neither has a type specified,
5679 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5680 David Billinghurst <David.Billinghurst@riotinto.com>
5682 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5684 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5686 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5687 (*_one_bit): Remove type on the match_operand in attributes.
5689 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5691 * i386.c: Commit forgotten hunk in previous patch.
5692 (regclass_map): Add extended registers.
5693 (dbx_register_map): Add missing frame register.
5695 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5697 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5699 * i386.md (x86_sahf_1): Disable for 64bit.
5700 (popsi*, pophi*): Likewise.
5701 (pushqi, pushhi): Likewise.
5702 (movdi, pushdi): Likewise.
5703 (zero extend DImode splitter): Likewise.
5704 (adddi, minusdi splitter): Likewise.
5705 (umulsidi): Likewise.
5707 (mulsidi): Disable for 64bit
5708 (lshift:DI/ashift:DI): Disable for 64bit.
5709 (loop patterns): Likewise.
5710 (call_pop, call_value_pop expanders and patterns): Likewise.
5711 (prologue_get_pc): Likewise.
5713 (fcmovDI pattern and splitter): Likewise.
5714 (movdfcc_1_rex64): New.
5716 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5718 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5719 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5720 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5721 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5722 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5723 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5724 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5725 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5726 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5727 (REGPARM_MAX): Set to 6 for x86_64.
5728 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5729 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5732 * (patterns that does use upper halves): Update constraints
5733 'q' to 'Q' and 'r' to 'R'.
5734 (cmpqi_ext_1): Disable for 64bit.
5735 (cmpqi_ext_3_insn): Likewise.
5736 (movqi_extzv_1): Likewsie.
5737 (addqi_ext_1): Liekwsie
5738 (testqi_ext_1): Liekwsie
5739 (andqi_ext_1): Liekwsie
5740 (xorqi_ext_1): Liekwsie
5741 (cmpqi_ext_1_rex64): New.
5742 (cmpqi_ext_3_insn_rex64): Likewise.
5743 (movqi_extzv_1_rex64): Likewsie.
5744 (addqi_ext_1_rex64): Liekwsie
5745 (testqi_ext_1_rex64): Liekwsie
5746 (andqi_ext_1_rex64): Liekwsie
5747 (xorqi_ext_1_rex64): Liekwsie
5749 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5751 * configure.in: Move check for unsigned enumerated bitfields
5752 to macro in aclocal.m4. Disable it for now.
5753 * configure, config.in: Regenerate.
5754 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5755 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5756 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5757 kind above its first use.
5759 * config/xm-interix.h, config/alpha/xm-alpha.h,
5760 config/i370/xm-linux.h, config/i386/xm-beos.h,
5761 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5762 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5763 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5764 Don't define ONLY_INT_FIELDS under any circumstances.
5766 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5768 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5769 config/sparc/xm-sysv4.h: Delete - now identical with some
5771 * config.gcc (hppa targets): Replace xm-pahpux.h and
5772 xm-papro.h with implicit xm-pa.h.
5773 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5776 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5778 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5779 before reload_cse_noop_set_p.
5781 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5783 * config.gcc: Where xm-host.h used to include another
5784 xm-host.h, list the nested header directly in xm_file. Remove
5785 references to deleted files. Can now use sparc/xm-sp64.h for
5788 * config/xm-linux.h, config/arm/xm-linux.h,
5789 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5790 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5791 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5792 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5793 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5796 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5797 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5798 bother to wrap #undef in #ifdef.
5799 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5800 Don't include xm-linux.h.
5801 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5803 * configure.in: Wrap regexps using [] in changequote block.
5804 Use expr : not echo | grep. Simplify regexps.
5805 * configure: Regenerate.
5807 56 xm-files remain, 22 xm-arch.
5809 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5811 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5812 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5813 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5814 (copy_object): Fix format specifier vs argument mismatch.
5816 * mips-tdump.c: Make local functions static.
5817 (rindex): Don't #undef.
5818 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5819 (fatal, fancy_abort): Delete.
5820 (read_seek): Avoid signed/unsigned compare.
5822 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5824 * combine.c (try_combine): Fix error in change to try original
5826 (gen_rtx_combine): Do same as gen_rtx for now.
5828 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5830 * configure.in: AC_SUBST xm_defines.
5831 * configure: Regenerate.
5832 * Makefile.in: Set DEFINES=$(xm_defines) when building
5835 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5837 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5838 (cpp_included, find_include_file): Update.
5839 (_cpp_compare_file_date): Make else unconditional.
5841 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5843 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5845 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5847 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5848 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5850 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5852 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5853 if it's a record type.
5855 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5857 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5858 mingw includes slightly.
5860 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5862 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5863 #undef token before poisoning it.
5865 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5867 * alpha.c (check_float_value): Use memcpy, not bcopy.
5869 * m32r.c (m32r_sched_reorder): Likewise.
5871 * vax.c (check_float_value): Likewise.
5873 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5875 * toplev.c (file_name_nondirectory): Remove.
5876 * toplev.h: Similarly.
5877 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5878 of file_name_nondirectory.
5880 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5882 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5883 * mips-tfile.c: Don't #undef rindex; not used.
5885 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5887 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5888 (dbx64_register_map): Declare.
5889 (RETURN_ADDR_RTX): Fix for 64bit.
5890 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5891 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5892 * i386.c (dbx64_register_map): New global array.
5893 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5894 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5897 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5899 * cppfiles.c (search_from): Use lbasename.
5900 * mkdeps.c (deps_add_default_target): Use lbasename.
5902 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5904 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5905 xcalloc in lieu of malloc, realloc & calloc.
5907 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5909 * gengenrtl.c (xmalloc): Likewise.
5911 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5912 really_call_* memory allocation routines.
5914 * stmt.c (check_for_full_enumeration_handling): Use
5915 really_call_calloc, not calloc.
5917 * system.h (really_call_malloc, really_call_calloc,
5918 really_call_realloc): Define.
5919 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5921 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5923 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5925 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5927 * configure: Rebuilt.
5928 * configure.in: Only use `lang_requires' for languages athat are
5931 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5933 * invoke.texi: Fix typo.
5934 * gcc.1: Regenerate.
5936 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5938 * configure.in: Prune nonexistent files from build_xm_file,
5939 xm_file, and host_xm_file lists. Warn unless they're
5941 Don't generate *config.h here.
5942 AC_SUBST all variables needed to generate *config.h.
5943 * configure: Regenerate.
5944 * mkconfig.sh: New helper script, from code removed from
5946 * Makefile.in: Zap all MALLOC variables - no longer used
5947 anywhere, and malloc.c doesn't exist.
5948 Substitute in variables needed to generate *config.h.
5949 Stop lying about the dependencies contained in CONFIG_H and
5951 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5952 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5953 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5954 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5955 $(TM_P_H), etc. as appropriate.
5957 * config.gcc: Zap references to deleted files.
5958 * ggc-none.c: Don't include rtl.h or tm_p.h.
5960 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5961 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5962 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5963 config/i386/xm-linux.h, config/i386/xm-linux.h,
5964 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5965 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5966 Don't include i386/xm-i386.h.
5968 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5969 config/i386/xm-i386.h, config/i860/xm-i860.h,
5970 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5971 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5972 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5973 Delete (empty except comments, #includes of other deleted
5974 files, and macros used nowhere).
5976 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5978 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5979 independent on TARGET_FLAGS.
5981 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5983 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5985 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5987 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5989 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5990 LAST_REX_SSE_REG): define.
5991 (enum reg_class): Add 'LEGACY_REGS'
5992 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5993 (SSE_REGNO_P): Recognize extended registers.
5994 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5995 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5996 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5997 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5998 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5999 REG_OK_FOR_STRREG_P): Remove.
6000 (HI_REGISTER_NAMES): Add extended registers.
6001 (ADDITIONAL_REGISTER_NAMES): Likewise.
6002 (QI_REGISTER_NAMES): Add 8bit extended registers.
6003 (DEBUG_REG): Support extended registers.
6004 * i386.c (regclass_map): Add extended registers.
6005 (dbx_register-map): Likewise.
6006 (svr4_dbx_register_map): Likewise.
6007 (print_reg): Support extended registers.
6008 (print_operand): Support 64bit operands.
6010 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
6012 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
6013 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
6014 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
6015 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
6016 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
6017 STACK_BOUNDARY): Set properly for 64bits.
6018 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
6019 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
6020 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
6021 (MOVE_MAX): Set to 16.
6022 (MOVE_MAX_PIECES): 8 for 64bit.
6023 (Pmode): Set to SImode.
6025 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
6027 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
6029 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6031 * i386.h (mask_64bit): New constant.
6032 (target_64bit): New macro.
6033 (target_options): Add '64'/'32'
6034 (target_default): Define.
6035 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6036 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6037 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6039 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6041 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6043 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6045 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6046 LO_SUM unless for_alias is set.
6048 2001-03-08 Stan Shebs <shebs@apple.com>
6050 * objc/objc-act.c: Fix old typos in comments, add comments for
6052 (hash_init): Fix file name in error message.
6053 (hash_enter): Ditto.
6054 (hash_add_attr): Ditto.
6055 (continue_class): Ditto.
6057 2001-03-08 Bruce Korb <bkorb@gnu.org>
6059 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6060 wait4() can receive the signal.
6062 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6064 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6066 * fixinc/fixincl.x: Regenerate.
6068 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6070 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6072 * fixinc/fixincl.x: Regenerate.
6074 2001-03-08 Richard Henderson <rth@redhat.com>
6076 * configure.in (HAVE_AS_LEB128): New assembler check.
6077 * configure, config.in: Rebuilt.
6079 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6081 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6084 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6086 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6087 references to the MAXPATHLEN macro.
6089 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6090 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6093 * config/i386/xm-gnu.h, config/xm-gnu.h,
6094 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6095 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6096 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6097 and/or unused files.
6099 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6100 doing so in various xm-*.h files.
6102 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6104 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6106 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6108 * configure.in (enable_shared): Support per-package shared-library
6110 * configure: Rebuilt.
6112 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6114 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6115 for crnot. Set operands[5] in splitter.
6117 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6119 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6120 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6121 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6122 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6123 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6124 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6125 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6128 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6129 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6130 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6131 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6132 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6133 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6134 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6135 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6136 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6137 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6138 Delete unused and/or empty files.
6140 * config.gcc: Define USG in xm_defines as appropriate. Define
6141 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6142 macro. Remove deleted xm-* files from $xm_files variable.
6144 2001-03-07 Tom Tromey <tromey@redhat.com>
6146 * configure: Rebuilt.
6147 * configure.in: Allow config-lang.in to set `lang_requires' to list
6148 of other required languages.
6150 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6152 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6154 (output_prologue): Use xmalloc not oballoc.
6155 (output_epilog): Free a29k_first_epilogue_insn when finished.
6156 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6158 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6160 * builtins.c (expand_builtin_mathfn): Check
6161 flag_unsafe_math_optimizations, not flag_fast_math.
6162 (expand_builtin): Likewise
6163 * combine.c (combine_simplify_rtx): Likewise.
6164 (simplify_if_then_else): Likewise.
6165 * cse.c (fold_rtx): Likewise.
6166 * flags.h: Remove flag_fast_math. Add
6167 flag_unsafe_math_optimizations and flag_trapping_math.
6168 * fold-const.c (negate_expr): Check
6169 flag_unsafe_math_optimizations, not flag_fast_math.
6170 (invert_truthvalue): Likewise.
6171 (fold): Likewise. Before associating operands, check that
6172 code == MULT_EXPR, not code != MULT_EXPR.
6173 * ifcvt.c (noce_try_minmax): Check
6174 flag_unsafe_math_optimizations, not flag_fast_math.
6175 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6176 * invoke.texi: Document -funsafe-math-optimizations and
6177 -fno-trapping-math. Change documentation for -ffast-math.
6178 * jump.c (reversed_comparison_code_parts): Likewise.
6179 (rtx_equal_for_thread_p): Likewise.
6180 * optabs.c (emit_conditional_move): Likewise.
6181 * simplify-rtx.c (simplify_binary_operation): Likewise.
6182 (simplify_relational_operation): Likewise.
6183 (simplify_ternary_operation): Likewise.
6184 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6185 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6186 Add trapping-math and unsafe-math-optimizations entries to f_options.
6187 (set_fast_math_flags): New, sets flags for -ffast-math.
6188 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6189 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6190 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6192 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6193 (alpha_emit_conditional_move): Initialize local_fast_math to
6194 flag_unsafe_math_optimizations, not flat_fast_math.
6195 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6196 instead of setting flag_fast_math to 1.
6197 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6199 * config/i386/i386.c (override_options): Likewise
6200 * config/i386/i386.md: Likewise.
6201 * config/m68k/m68k.md: Likewise.
6202 * config/mips/mips.md: Likewise.
6203 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6204 (rs6000_generate_compare): Likewise.
6206 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6208 * Makefile.in: Set RANLIB to @RANLIB@.
6211 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6213 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6214 * fixinc/fixincl.x: Regenerated.
6216 2001-03-07 Richard Henderson <rth@redhat.com>
6218 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6220 2001-03-07 Richard Henderson <rth@redhat.com>
6222 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6223 of block notes and exception handling notes.
6225 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6226 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6227 (compile_file): ... here.
6229 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6231 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6233 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6234 config.h now. Include libiberty.h to handle alloca.
6236 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6238 * c-parse.in (yylexname): New function, split out of _yylex.
6239 (objc_rid_sans_at): New table.
6240 (init_reswords): Initialize it.
6241 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6242 retrieving the next token and checking it for significance as
6243 an ObjC keyword or string constant.
6245 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6246 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6248 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6251 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6253 * config/m68k/m68k.c (const_uint32_operand): Accept any
6254 const_int on a 32-bit host.
6256 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6258 * objc/objc-act.c (init_objc): Set save_lang_status,
6259 restore_lang_status, and mark_lang_status.
6261 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6263 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6265 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6267 * cppinternals.texi: Update.
6269 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6271 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6272 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6273 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6274 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6275 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6276 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6277 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6278 config/i386/xm-i386.h, config/i860/xm-i860.h,
6279 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6280 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6281 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6282 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6283 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6284 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6285 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6286 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6287 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6288 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6289 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6290 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6291 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6292 match the defaults provided in hwint.h.
6294 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6295 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6297 * config.gcc (xm_file): Don't set to files which are deleted.
6299 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6300 guard this file against these macros being undefined.
6302 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6304 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6305 and DECL_DEFER_OUTPUT on the decl we create, before calling
6306 rest_of_decl_compilation.
6308 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6310 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6312 * configure, config.in: Regenerate.
6313 * config.gcc: Remove references to deleted files.
6315 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6316 genrecog.c, rtl.c: Do not use alloca anywhere.
6318 * Makefile.in, build-make, system.h, config/x-interix,
6319 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6320 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6321 config/arc/xm-arc.h, config/arm/xm-arm.h,
6322 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6323 config/h8300/xm-h8300.h, config/i370/x-oe,
6324 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6325 config/i386/x-ncr3000, config/i386/x-sco5,
6326 config/i386/xm-dgux.h, config/i860/x-sysv4,
6327 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6328 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6329 config/m68k/x-hp320g, config/m69k/x-mot3300,
6330 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6331 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6332 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6333 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6334 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6335 config/mips/x-iris, config/mips/x-iris3,
6336 config/mips/x-sni-svr4, config/mips/x-sysv,
6337 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6338 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6339 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6340 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6341 config/pa/xm-papro.h, config/romp/xm-romp.h,
6342 config/rs6000/x-aix31, config/rs6000/x-aix41,
6343 config/rs6000/x-beos, config/rs6000/x-lynx,
6344 config/rs6000/x-mach, config/rs6000/x-rs6000,
6345 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6346 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6347 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6348 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6349 config/vax/xm-vms.h: Eradicate all references to alloca and
6352 * config/xm-alloca.h, config/clipper/x-clix,
6353 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6354 config/i860/x-sysv3, config/m88k/x-sysv3,
6355 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6356 (contained only alloca related hacks).
6358 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6361 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6363 * invoke.texi: Document __FAST_MATH__.
6365 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6367 * crtstuff.c: Restore include of auto-host.h.
6369 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6371 Put main() in a separate file, so that the language
6372 front-end can use a different main().
6375 * toplev.c: (main): Rename as toplev_main.
6376 * toplev.h: Declare toplev_main.
6377 * Makefile.in (OBJS): add toplev.o.
6378 (BACKEND): remove toplev.o, add main.o.
6380 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6382 * cppfiles.c (search_from): Special case the empty string.
6384 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6386 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6387 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6388 strlen or strcpy; we already know the length.
6389 (_cpp_compare_file_date): Similarly.
6390 * cpphash.h (struct cpp_reader): Delete done_initialising.
6391 (CPP_PREV_BUFFER): Delete.
6392 * cppinit.c (cpp_start_read): Don't set done_initialising.
6393 * cpplex.c (parse_string): Guarantee null-termination.
6394 (_cpp_equiv_toklists): Remove.
6395 * cpplib.c (glue_header_name): Null-terminate.
6396 (do_line): Don't leak memory.
6397 * cpplib.h (BT_WEAK): Delete.
6398 * cppmain.c (cb_ident): Strings are now null-terminated.
6400 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6402 * gcc.c (convert_filename): Append executable suffix
6403 if NO_AUTO_EXE_SUFFIX is not defined.
6404 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6405 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6407 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6409 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6410 * c-parse.gperf, c-gperf.h: Delete.
6411 (c-gperf.h was accidently re-added to the CVS repo in the rev
6412 1.16 commit by tromey)
6414 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6416 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6417 macro arguments when looking for the '('.
6418 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6419 2 when really parsing arguments; 1 when looking for '('.
6420 Always restore the lexer position.
6422 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6424 * longlong.h (umul_ppmm): Don't use a multiline string.
6426 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6428 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6429 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6430 t_bool in declaration because pcc can't combine volatile with typedef
6433 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6435 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6436 until when it is really needed.
6437 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6438 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6439 * i386.md (float?i?f splitter): Don't force source operand to memory
6441 (sse_movdfcc): Fix constraint.
6442 (sse_movdfcc splitter): Handle properly the second alternative.
6444 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6446 * cpplex.c (parse_string): Unconditionally pedwarn.
6448 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6451 * cppexp.c (parse_number): Update.
6452 * cpplex.c (parse_string): Pedwarn if multiline string does not
6453 result from a system header's macro.
6454 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6455 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6456 for function-like macros too.
6457 * c-lex.c (lex_number): Update.
6459 2001-03-03 Richard Henderson <rth@redhat.com>
6461 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6463 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6465 * combine.c (try_combine): If split with mode-changed scratch
6466 register didn't work, try the original mode.
6468 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6470 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6471 * config/c4x/c4x.h: Likewise.
6472 * stor-layout.c (compute_record_mode): Likewise.
6473 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6475 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6477 * configure.in: Kill tm.h. Include the files in the $tm_file
6478 list in all three of config.h, hconfig.h, tconfig.h, after the
6479 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6480 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6481 * configure: Regenerate.
6482 * Makefile.in (clean): Don't delete tm.h.
6484 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6485 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6486 those are not defined, set SEC and FEC to 0 and 1.
6487 * gcc.texi: Update to match.
6489 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6490 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6491 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6492 Include tconfig.h, not tm.h.
6494 * config/xm-lynx.h, config/xm-std32.h,
6495 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6496 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6497 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6498 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6499 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6500 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6501 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6502 config/i386/xm-i386.h, config/i860/xm-i860.h,
6503 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6504 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6505 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6506 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6507 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6508 config/pa/xm-linux.h, config/pa/xm-pa.h,
6509 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6510 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6511 config/pj/xm-pj.h, config/romp/xm-romp.h,
6512 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6513 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6514 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6515 config/v850/xm-v850.h, config/vax/xm-vax.h,
6516 config/we32k/xm-we32k.h:
6518 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6520 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6521 config/i370/xm-oe.h: Don't include tm.h. Don't define
6523 * config/vax/xm-vms.h: Don't include tm.h.
6525 * config/xm-lynx.h, config/avr/xm-avr.h,
6526 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6527 Delete; made empty by above changes.
6528 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6529 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6530 Don't include config/xm-lynx.h or tm.h.
6532 * config/xm-gnu.h: Don't include fcntl.h.
6533 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6535 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6537 2001-03-02 Richard Henderson <rth@redhat.com>
6539 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6540 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6542 2001-03-02 Richard Henderson <rth@redhat.com>
6544 * Makefile.in (OBJS): Add dwarf2asm.o.
6545 * dwarf2asm.c, dwarf2asm.h: New files.
6546 * dwarf2out.c (*): Use them.
6547 (size_of_uleb128, size_of_sleb128): Remove.
6548 (output_uleb128, output_sleb128): Remove.
6549 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6550 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6551 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6552 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6553 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6554 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6555 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6556 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6557 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6558 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6559 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6560 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6561 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6562 (dwarf2out_frame_debug): Remove unused variables.
6563 (output_loc_operands): Don't abort on 8 byte constants if
6564 host integers are wide enough.
6565 (output_symbolic_ref): Remove.
6566 (size_of_die): Don't assume 4 byte host integers.
6567 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6569 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6570 something stupid with HOST_WIDE_INT to long truncation.
6571 [CONST_DOUBLE]: Likewise.
6573 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6574 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6575 * config/arm/unknown-elf.h: Likewise.
6576 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6577 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6578 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6579 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6580 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6581 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6582 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6583 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6584 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6585 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6586 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6587 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6589 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6591 * cselib.c (hash_rtx): Cast enums to unsigned int.
6593 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6595 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6596 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6598 * c-format.c (C_STD_VER): Cast to int for comparisons.
6599 (check_function_format): Cast various enums to int for &.
6600 (maybe_read_dollar_number): Likewise.
6601 (check_format_info): Likewise.
6602 (check_format_info_main): Likewise.
6603 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6604 (safe_from_p): Likewise.
6605 * varasm.c (const_hash): Cast enum to int for %.
6606 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6607 pcc enum problems with < and ++ operators.
6608 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6609 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6610 (regclass_init): Change enum class to int to iterate over reg_classes.
6611 * genrecog.c (merge_trees): Cast enums for comparison.
6612 * rtl.h (GET_CODE): Cast to enum rtx_code.
6613 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6614 (GET_MODE): Cast to enum machine_mode.
6615 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6616 (GET_NOTE_INSN_NAME): Cast enum to int.
6617 * tree.h (TREE_CODE): Cast to enum tree_code.
6618 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6619 * timevar.c (timevar_print): Change loop variable id from enum to
6621 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6622 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6623 * toplev.c (compile_file): Cast enum DFI to int.
6624 (decode_d_option): Likewise.
6626 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6628 * cppinit.c (append_include_chain): Mark "after" include file name list
6629 as a system directory.
6630 * cpp.texi: Document new behavior.
6632 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6634 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6636 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6638 * cppfiles.c (struct include_file): Update.
6639 (stack_include_file): Use search_from.
6640 (cpp_included, find_include_file): Update.
6641 (cpp_execute_include): Update. ptr->name may not be
6642 null terminated. Use the new search_from member variable
6644 (_cpp_compare_file_date): Similarly.
6645 (search_from): New function, similiar to actual_directory.
6646 (actual_directory): Delete.
6647 (remap_filename): Update. loc->name may not be null terminated.
6648 (struct file_name_list): Rename search_path. Update.
6649 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6650 search_from and dir.
6651 (struct cpp_reader): Remove actual_dirs.
6652 * cppinit.c (struct cpp_pending): Update for renamed objects.
6653 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6654 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6655 * cpplib.h (struct cpp_options): Similarly.
6657 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6659 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6660 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6661 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6662 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6663 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6664 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6665 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6666 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6667 config/i370/xm-oe.h, config/i386/xm-aix.h,
6668 config/i386/xm-i386.h, config/i386/xm-osf.h,
6669 config/i860/xm-i860.h, config/i960/xm-i960.h,
6670 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6671 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6672 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6673 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6674 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6675 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6676 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6677 config/pj/xm-pj.h, config/romp/xm-romp.h,
6678 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6679 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6680 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6681 config/v850/xm-v850.h, config/vax/xm-vax.h,
6682 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6683 Do not define TRUE or FALSE.
6685 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6686 empty by above change.
6687 * config.gcc: Remove references to these files.
6689 * configure.in: Detect stdbool.h.
6690 * configure, config.in: Regenerate.
6691 * system.h: Include stddef.h here if available.
6692 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6693 Then set up a sensible boolean type at the very end.
6695 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6696 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6698 * hash.h: Delete 'boolean' typedef and related #undefs.
6700 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6701 all uses of 'boolean' with 'bool'.
6703 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6705 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6706 * cppexp.c (lex): Cast enums for comparison.
6707 * cppinit.c (parse_option): Cast enum for comparison.
6708 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6709 (cpp_output_token): Likewise.
6710 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6711 (cpp_avoid_paste): Cast enums for minus and comparison.
6713 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6715 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6716 field to all array elements.
6718 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6720 * cpphash.h (struct cpp_reader): Add print_version field.
6721 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6722 just set print_version and other flags as appropriate.
6723 (cpp_post_options): Print version here if print_version is set.
6725 * toplev.c (exit_after_options): New flag.
6726 (independent_decode_option): Don't exit here; just set
6728 (main): Exit after calling lang_hooks.post_options if
6729 exit_after_options is true.
6731 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6732 (merge_include_chains): Adjust comment to match code.
6734 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6736 * stringpool.c (set_identifier): New function.
6737 * tree.h: Prototype it.
6739 * c-parse.in: Kill D_YES. If compiled for objc, call
6740 save_and_forget_protocol_qualifiers from init_reswords.
6741 * objc/objc-act.c (remember_protocol_qualifiers,
6742 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6743 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6745 (save_and_forget_protocol_qualifiers): New function.
6746 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6748 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6750 * c-semantics.c (prune_unused_decls): Return error_mark_node
6751 instead of (tree) 1 to stop traversing the tree chain.
6753 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6755 Fix a problem introduced by Kenner's Feb 18 change.
6756 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6757 flag_cse_skip_blocks only temporarily, not for ever.
6759 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6761 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6762 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6764 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6765 before determining its register class.
6767 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6769 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6770 from reg 4 if current_function_calls_setjmp.
6771 (gen_nop_type): New function.
6772 (ia64_emit_nops): New function.
6773 (ia64_reorg): Call it.
6774 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6776 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6777 code not to try to optimize adds with anything but a REG destination.
6779 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6780 (INSN_PRIORITY_KNOWN): New accessor macro.
6781 * haifa-sched.c (priority): Use it instead of testing priority against
6784 2001-02-28 DJ Delorie <dj@redhat.com>
6786 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6787 since that doesn't work the way gcc wants on a generic m68k.
6789 2001-02-28 Richard Henderson <rth@redhat.com>
6791 * caller-save.c (save_call_clobbered_regs): Fix typo in
6792 comparison last change.
6794 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6796 * i386.c (pentium4_cost): New.
6797 (m_PENT4): New macro.
6798 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6799 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6800 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6801 x86_memory_mismatch_stall): Add Pentium4
6802 (x86_use_q_reg, x86_use_any_reg): Kill.
6803 (override_options): Add pentium4.
6804 (incdec_operand): Return 0 for pentium4.
6805 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6806 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6807 (TARGET_PENTIUM4): Define.
6808 (enum processor_type): Add PROCESSOR_PENTIUM4.
6809 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6810 * i386.md (attribute "cpu"): Add pentium4.
6811 * invoke.texi (march): Add pentium4.
6813 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6815 * i386.md (sse_mov?fcc*): New patterns and splitters.
6816 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6817 the SSE based conditional moves.
6819 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6821 * i386.md (attribute mode): Add "TI".
6822 (movsf_1): Add pxor support; remove constant propagation splitter.
6823 (movdf_integer): Likewise.
6824 (movdf_nointeger): Likewise.
6825 (movxf constant prop splitter): Handle all modes; update for SSE.
6826 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6827 * i386.c (standard_80387_constant_p): Rewrite.
6828 (standard_sse_constant_p): New.
6829 * i386-protos.h (standard_sse_constant_p): New.
6831 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6833 * i386.md (sse_setccsf, sse_setccdf): New.
6834 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6836 * i386.c (sse_comparison_operator): Accept the supported unordered
6837 comparses; be ready for fast_math.
6838 (print_operand): Support 'D'.
6840 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6842 * jump.c (reversed_comparison_code): Kill.
6844 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6846 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6849 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6851 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6852 add missing '%' in constraints.
6854 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6856 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6857 for HOST_BITS_PER_WIDE_INT == 32 too.
6859 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6861 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6863 (insert_save, insert_restore): New parameter save_mode.
6864 (init_caller_save): Update initialization of reg_save_code
6865 and reg_restore_code.
6866 (save_call_clobbered_regs): Compute save_modes and update calls to
6867 reg_save_code and reg_restore_code.
6868 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6869 of spill; update use of reg_restore_code.
6870 (insert_save): Likewise.
6871 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6872 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6873 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6875 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6877 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6878 noce_try_store_flag_inc, noce_try_store_flag_mask,
6879 noce_try_cmove_arith):
6880 Use reversed_comparison_code instead of reverse_comparison and
6881 can_reverse_comparison_p.
6883 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6885 * jump.c (reversed_comparison_code_parts): Allow reversal of
6886 unordered compares in -ffast-math mode; reverse ordered compares
6887 for FP even w/o -ffast-math.
6889 2001-02-27 Richard Henderson <rth@redhat.com>
6891 * print-rtl.c (print_rtx) [i]: Don't print field five on
6892 NOTEs other than NOTE_INSN_DELETED_LABEL.
6894 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6896 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6897 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6899 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6901 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6902 even if walk_subtrees is 0.
6903 * c-semantics.c (prune_unused_decls): Return a non-null value to
6904 stop traversing the tree chain.
6906 2001-02-27 DJ Delorie <dj@redhat.com>
6908 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6909 register, *then* define it as the new CFA.
6911 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6913 * pa.c (override_options): Promote -fpic to -fPIC.
6914 (legitimize_pic_address): Simplify due to removal of
6915 small PIC as a code generation option.
6916 (secondary_reload_class): Similarly.
6917 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6918 (PRINT_OPERAND_ADDRESS): Similarly.
6919 * pa.md (various patterns): Similarly.
6920 (small pic lo_sum pattern): Remove.
6922 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6925 * md.texi (min, max): Document
6927 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6929 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6930 TARGET_PARTIAL_REG_DEPENDENCY.
6931 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6933 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6935 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6937 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6939 * mips.c (mips_make_temp_file): Fix thinko in last change.
6941 2001-02-26 Jason Eckhardt <jle@redhat.com>
6943 * combine.c (known_cond): Do not reverse the condition when
6944 SMAX/UMAX is being considered and the condition is for equality
6947 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6949 2001-02-26 Philip Blundell <philb@gnu.org>
6951 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6953 * config/arm/linux-elf.h: Remove historical relics related to
6954 above configurations.
6955 * config/arm/linux-oldld.h: Delete.
6956 * config/arm/linux-elf26.h: Delete.
6958 2001-02-26 Jason Merrill <jason@redhat.com>
6960 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6962 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6963 recognize a tentative definition. Lose obsolete code.
6965 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6966 variables unless necessary, either.
6968 2001-02-25 Richard Henderson <rth@redhat.com>
6970 * ifcvt.c (struct noce_if_info): Add test_bb.
6971 (noce_get_alt_condition): New.
6972 (noce_try_minmax, noce_try_abs): New.
6973 (noce_operand_ok): New.
6974 (noce_process_if_block): Use them.
6975 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6977 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6979 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6982 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6984 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6985 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6987 (mips_asm_file_end): Free temp_filename here.
6989 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6991 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6992 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6994 * config/i386/i386.md (movstrsi): Handle FAIL case.
6996 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6998 * cppinit.c (builtin_array): Update.
6999 (init_builtins): Flag builtins to warn if redefined or
7000 undefined. Define __GXX_WEAK as a normal macro.
7001 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
7002 * cpplib.h (NODE_WARN): New flag.
7003 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
7004 Handle __STDC__ as a builtin only on Solaris.
7005 (warn_of_redefinition): Renamed from check_macro_definition.
7006 Reverse sense of test. Always warn if NODE_WARN.
7007 (_cpp_create_definition): Use warn_of_redefinition. Flag
7008 any macro beginning with "__STDC_" to require a mandatory
7009 warning if redefined or undefined.
7011 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7013 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
7014 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
7015 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
7016 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
7017 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
7018 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
7019 Don't define any of:
7020 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
7021 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
7022 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
7023 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
7024 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
7026 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
7027 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7030 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7031 Delete now-empty file.
7033 * alpha/vms.h: Define NEED_ATEXIT here...
7034 * alpha/xm-vms.h: ...not here.
7036 * i386/cygwin.h: Don't define PARAMS.
7037 * mips/mips.c: Don't prototype mktemp. Don't define
7038 P_tmpdir. Use make_temp_file to create temporary files.
7039 Don't be clever and delete temporary files early.
7040 * config.gcc: Drop references to deleted files. Don't define
7042 * gcc.texi: Don't mention USE_PROTOTYPES.
7044 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7046 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7047 (ix86_set_move_mem_attrs_1): Likewise.
7048 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7049 * config/i386/i386.md (movstrsi): Call it.
7051 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7053 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7054 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7055 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7056 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7058 (i750a-*-*): Error here if hosting on i750a.
7059 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7061 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7062 Remove (empty modulo comments).
7064 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7065 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7066 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7067 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7068 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7069 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7071 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7072 Remove reference to winnt.h in comment.
7073 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7075 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7077 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7078 used to set another biv.
7080 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7082 * tree.h (BLOCK_DEAD): New macro.
7083 (struct tree_block): New flag, dead_flag.
7084 * print-tree.c (print_node, case 'b'): Print missing fields.
7085 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7086 * function.c (identify_blocks): Enable test for misplaced notes.
7087 (all_blocks): Skip BLOCK_DEAD blocks.
7088 * integrate.c (integrate_decl_tree): Likewise.
7090 * errors.c (internal_error, trim_filename): New functions.
7091 (fancy_abort): Call internal_error.
7092 * errors.h (internal_error, trim_filename): New declarations.
7094 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7096 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7098 (EXTRA_CONSTRAINT): Formatting changes.
7100 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7102 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7104 2001-02-23 Per Bothner <per@bothner.com>
7106 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7107 so they can be called from java/jvspec.c.
7108 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7110 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7112 * i386.c (ix86_frame): New structure.
7113 (ix86_compute_frame_size): Kill.
7114 (ix86_compute_frame_layout): New.
7115 (ix86_save_reg): New.
7116 (ix86_can_use_return_insn_p): Use frame layout stuff.
7117 (ix86_expand_prologue): Likewise.
7118 (ix86_expand_epilogue): Likewise.
7119 (ix86_initial_elimination_offset): Likewise.
7120 (ix86_nsaved_regs): Use ix86_save_reg.
7121 (ix86_emit_save_regs): Likewise.
7123 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7125 * flow.c (find_sub_basic_blocks): New function.
7126 (split_block): Be ready for basic block introduced by CODE_LABEL.
7127 (commit_one_edge_insertion): Call find_sub_basic_block.
7129 * flow.c (make_edges): Add edge from entry for blocks starting with
7130 label having ALTERNATE_NAME
7132 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7134 * function.c (epilogue_done): Be ready for first basic block not
7135 containing PROLOGUE_END note.
7136 (reposition_prologue_and_epilogue_notes): Avoid placing
7137 PROLOGUE_END note between BASIC_BLOCK.
7139 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7141 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7143 2001-02-21 DJ Delorie <dj@redhat.com>
7145 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7146 check for current_function_has_nonlocal_goto from 1999-11-12.
7148 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7150 * diagnostic.c (trim_filename): No longer static.
7151 * toplev.h (trim_filename): Declare.
7152 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7153 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7154 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7155 (rtvec_check_failed_bounds): Likewise.
7156 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7158 * convert.c (convert_to_integer): Don't do unsigned unless result or
7159 both inputs are unsigned.
7161 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7164 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7166 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7168 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7170 * Makefile.in (resource.o): Add params.h dependence.
7171 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7172 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7173 * resource.c: Add dependence on params.h.
7174 (current_live_regs): Fix explanatory comment.
7175 (find_basic_block): Add new parameter to permit limiting search
7177 (mark_target_live_regs): Add new argument to find_basic_block call.
7178 (incr_ticks_for_insn): Likewise.
7180 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7182 * diagnostic.c (output_to_stream): Rename to
7183 output_buffer_to_stream. Loses the stream parameter.
7184 (init_output_buffer): Set diagnosic_buffer's stream.
7185 (flush_diagnostic_buffer): Adjust.
7186 (default_print_error_function): Likewise.
7187 (finish_diagnostic): Likewise.
7188 (verbatim): Likewise.
7190 * diagnostic.h (struct output_buffer): Add `stream' field.
7191 (output_buffer_attached_stream): New macro.
7193 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7195 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7196 check if either operand is divisible by C.
7197 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7198 If type is signed, consider negative numbers as well.
7200 2001-02-22 Richard Henderson <rth@redhat.com>
7202 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7203 reach .text instead of gp-relative relocs.
7204 * config/ia64/crtend.asm (.init): Likewise.
7206 2001-02-22 Andreas Jaeger <aj@suse.de>
7208 * extend.texi (C++ Attributes): Fix typo.
7210 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7212 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7213 functions, drop current_function_args_info.words test.
7214 (ia64_compute_frame_size): Mark syscall_linkage functions as
7215 using eight input registers.
7217 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7218 Bruce Korb <bkorb@gnu.org>
7220 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7221 * fixinc/README: Document how to convert sed substitutions
7222 to format style c_fix-es.
7223 * fixinc/fixincl.x: regen
7225 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7227 * gcc.c: Add comment explaining how to add a command-line option.
7228 Add title to specs language comment.
7230 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7232 * gcc.c (cc1_options): Add "-param".
7233 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7234 (option_map): Likewise.
7235 * toplev.c (display_help): Add entry for "--param".
7236 (independent_decode_option): Fix typographical error.
7238 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7239 Bernd Schmidt <bernds@redhat.com>
7240 Jan Hubicka <jh@suse.cz>
7242 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7243 (function_arg): Likewise.
7245 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7247 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7249 2001-02-21 Kazu Hirata <kazu@hxi.com>
7251 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7255 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7257 * flow.c (init_propagate_block_info): Canon address and use single_set
7258 for killing dead memory stores.
7260 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7262 * Makefile.in (reorg.o): Add params.h dependence.
7263 * params.def: Fix typographical error in comment.
7264 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7265 * params.h: Modify introductory comment.
7266 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7267 * reorg.c: Add dependence on params.h.
7268 (redundant_insn): Add parameterized throttle for search.
7269 (fill_simple_delay_slots): Add a comment explaining a variable.
7270 Move conditional out of loop, simplifying code.
7271 (fill_eager_delay_slots): Fix typographical error in comment.
7273 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7275 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7277 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7278 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7280 2001-02-21 Jason Merrill <jason@redhat.com>
7282 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7283 (struct tree_decl): Add uninlinable bitfield.
7284 * c-decl.c (duplicate_decls): Set it.
7285 * integrate.c (function_cannot_inline_p): Check it.
7287 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7288 DW_AT_MIPS_linkage_name to abstract methods.
7289 (dwarf2out_abstract_function): Emit class context before calling
7290 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7291 (gen_subprogram_die): Remove obsolete code.
7292 (gen_member_die): Don't include clones in the member list.
7293 (gen_decl_die): Emit abstract info for clone origin.
7294 * dwarfout.c (output_type): Don't include clones in the member list.
7295 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7296 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7297 DECL_ABSTRACT on a function that already has it set.
7299 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7300 (get_subprogram_die): Pass it in.
7302 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7304 * flow.c (mark_set_1): Make not_dead unsigned long. For
7305 non-pseudos, use it as a bitmask of the hard regs that
7308 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7310 * cppfiles.c: Update comments.
7311 (_cpp_read_file): Don't check for NULL filenames any more.
7312 * cppinit.c (cpp_start_read): Don't do canonicalization of
7313 in_fname and out_fname. Use the passed file name exclusively.
7314 (_cpp_handle_options): Don't treat "-" as a command line option,
7315 but as a normal filename.
7316 (_cpp_post_options): Canonicalize in_fname and out_fname.
7317 * cppmain.c (printer_init): Don't check out_fname for NULL.
7318 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7319 (init_c_lex): Update, and use "" to represent stdin to CPP.
7322 2001-02-20 Will Cohen <wcohen@redhat.com>
7324 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7325 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7326 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7329 2001-02-20 Stan Shebs <shebs@apple.com>
7331 * config/rs6000/rs6000.c (output_cbranch): Output branches
7332 on separate lines instead of using ';' to separate.
7334 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7336 * cppinit.c (set_lang): Move builtin handling to...
7337 (init_builtins): ...here.
7338 (_cpp_create_reader): Move call to set_lang.
7340 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7342 * stmt.c (expand_return): If an attempt is made to return the
7343 error_mar_node, treat the return like a return without a value.
7345 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7347 * sibcall.c (skip_copy_to_return_value): Call
7348 identify_call_return_value here, and return orig_insn if it
7349 returns zero. Hardret and softret arguments now unnecessary.
7350 (call_ends_block_p): Don't call identify_call_return_value here.
7352 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7354 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7355 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7357 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7359 * pa.c (move_operand): Accept code to load the address of a
7360 symbol out of the DLT as a valid move operand.
7361 (print_operand, case 'A'): New to handle generating a DLT
7362 reference for a LO_SUM expression.
7363 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7364 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7366 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7368 * README, cpp.texi, gcc.texi, version.c: Update version number to
7370 * cpp.1, gcov.1, gcc.1: Regenerate.
7372 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7374 * cppfiles.c (stack_include_file): Generate dependencies
7375 here, and manage include_count here too.
7376 (PRINT_THIS_DEP): Delete.
7377 (_cpp_execute_include): Do not generate dependencies here,
7378 apart from the case of a missing header. Do not manage
7380 (_cpp_read_file): Leave dependency generation to
7383 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7385 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7386 target_cpu_default. Remove dead assignment to
7389 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7391 * regclass.c (contains_reg_of_mode): Make global.
7392 (init_reg_sets): Remove contains_reg_of_mode; take into account
7393 CLASS_MAX_NREGS when looking for the proper mode.
7394 (dump_regclass): Dump only classes considered for the pseudo.
7395 (regclass): Use contains_reg_of_mode.
7397 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7399 * gcc.c (do_spec_1): 'n' for printing notices.
7400 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7402 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7404 * reg-stack.c (next_flags_user): Use current_block->end
7405 (swap_rtx_condition): Look for next user if flags don't die;
7406 give up on CALL_INSNs; use current_block->end.
7408 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7410 * sibcall.c (call_ends_block_p): New function.
7411 (optimize_sibling_and_tail_recursive_call): Use it.
7413 2001-02-18 Kazu Hirata <kazu@hxi.com>
7415 * config/h8300/h8300.md: Update copyright.
7416 (andsi3): Do not output an extra newline character.
7418 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7420 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7421 FNDECL may be unused.
7423 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7424 follow jumps after first run.
7425 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7426 it doesn't change any jumps.
7428 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7430 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7431 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7432 (mostlyclean): Corresponding changes.
7433 * rtlanal.c (hard-reg-set.h): Include.
7434 (rtx_unstable_p): Do not treat the argument pointer specially
7435 if it is not a fixed register.
7436 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7438 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7440 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7441 against last real insn in basic block.
7442 Rework to avoid gotos.
7444 * Makefile.in (gcse.o): Now includes ggc.h.
7445 * gcse.c: Include ggc.h.
7446 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7447 (try_replace_reg): Remove warning of uninitialize variable.
7448 (process_insert_insn): Call invalid_insn_p to validate insn.
7449 * recog.c (insn_invalid_p): Now global.
7450 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7451 * recog.h (insn_invalid_p): New declaration.
7453 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7455 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7456 assignments from FP constants since 'Y' output code can't handle it.
7457 (eligible_for_sibcall_delay): Likewise.
7459 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7460 Call fancy_abort directly, passing args.
7461 (print_rtl_and_abort): Now a macro, like fancy_abort.
7463 * final.c (output_operand_lossage): Use internal_error, not error.
7465 2001-02-18 Shane Nay <shane@agendacomputing.com>
7467 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7468 structure shift insns.
7470 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7472 * invoke.texi (-fsquangle): Remove documentation.
7473 (-fname-mangling-version): Likewise.
7475 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7477 * optabs.c (expand_abs): Remove reference to
7478 HAVE_contitional_arithmetic.
7479 * combine.c (simplify_set): Likewise.
7481 2001-02-18 Richard Henderson <rth@redhat.com>
7483 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7486 2001-02-18 Richard Henderson <rth@redhat.com>
7488 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7490 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7492 * reload1.c (reload_cse_simplify_set): Fix typo.
7494 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7496 * diagnostic.c (_fatal_insn): Decrement errorcount.
7498 * invoke.texi (-I): Add note avoiding use for system header files.
7500 * rtl.h (add_clobbers): Remove duplicate declaration.
7501 * recog.h (added_clobbers_hard_reg_p): New declaration.
7502 * genemit.c (struct clobber_pat): New field has_hard_reg.
7503 (gen_insn): Record if added clobbers clobber hard reg.
7504 (gen_split): Avoid unused warning if number of operands is 0.
7505 (output_added_clobbers_hard_reg_p): New function.
7508 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7510 * pa.c (hppa_expand_prologue): Simplify code storing return
7511 pointer. For large (>=8k) frames with a post_store, adjust stack
7512 pointer by 8k-64 first rather than by 64. When testing with
7513 VAL_14_BITS_P, always use the actual value rather than the value
7514 negated. Add blockage to prevent scheduling of spills before
7515 stack frame has been created.
7516 (hppa_expand_epilogue): Simplify code loading return pointer.
7517 Allow a slightly larger range for merge_sp_adjust_with_load case.
7518 When testing with VAL_14_BITS_P, always use the actual value.
7520 * pa.c (pa_adjust_insn_length): Check that block move
7521 pattern is a set before looking at operands.
7523 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7525 * fold-const.c (fold_binary_op_with_conditional_arg): New
7526 function, split out from ...
7528 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7529 conditional arms that throw exceptions.
7531 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7534 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7536 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7537 define HAVE_DECL_* to 1 to mask potential backup declarations.
7538 * configure: Regenerated.
7540 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7542 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7544 2001-02-17 Richard Henderson <rth@redhat.com>
7546 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7547 when replacing a memory load with a register.
7549 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7550 Jan Hubicka <jh@suse.cz>
7552 * recog.c (validate_replace_src_1): New.
7553 (validate_replace_src_data): Likewise.
7554 (validate_replace_src): Use note_uses.
7555 * rtl.h (note_uses): Declare.
7556 * rtlanal.c (note_uses): New.
7558 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7560 * reg-stack.c (stack_def): Make field reg unsigned.
7561 (remove_regno_note): Unsignetize parameter.
7563 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7565 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7566 shladd_operand() call.
7568 2001-02-16 Bruce Korb <bkorb@gnu.org>
7569 Rodney Brown <RodneyBrown@mynd.com>
7571 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7572 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7573 machine restrictions
7574 * fixinc/fixincl.x: regen
7576 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7578 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7580 (hash_scan_insn): Clean up calls to hash_scan_set.
7581 (compute_kill_rd): REGNO now unsigned.
7582 (try_replace_reg): Rework to use simplify_replace_rtx.
7583 (cprop_jump, cprop_cc0_jump): Likewise.
7584 (cprop_insn): Call find_reg_equal_equiv_note.
7585 Reflect changes to cprop_jump and cprop_cc0_jump.
7587 * recog.c (validate_replace_src): Replace in operands of
7588 ZERO_EXTRACT in SET_DEST.
7590 * cse.c (new_label_ref): New variable.
7591 (insert): Set it instead of recorded_label_ref.
7592 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7593 CODE_LABEL for this function, and not already in REG_LABEL note.
7595 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7597 * resource.c (mark_referenced_resources): Fix typo in introductory
7599 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7602 2001-02-16 Jason Merrill <jason@redhat.com>
7604 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7606 (gen_subprogram_die): Don't abort on seeing a second definition if
7607 the previous one was abstract. Don't replace an abstract instance
7608 in the lookup table.
7610 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7611 gen_abstract_function.
7612 * dwarf2out.h: Declare it.
7613 * toplev.c (note_outlining_of_inline_function): New fn.
7614 * toplev.h: Declare it.
7615 * integrate.c (output_inline_function): Call it.
7616 * c-decl.c (duplicate_decls): Call it when redefining an extern
7617 inline. Don't inline the new defn.
7619 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7621 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7623 * .gdbinit: Rename to gdbinit.in.
7624 * gdbinit.in: New file,
7625 * configure.in: Generate .gdbinit from gdbinit.in.
7626 * configure: Regenerated.
7627 * Makefile.in (distclean): Always remove .gdbinit.
7629 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7631 * objc/objc-act.c (start_class): Register implemented_classes with
7634 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7636 * cppfiles.c (_cpp_make_system_header): Generate a file
7639 2001-02-15 Jim Meyering <meyering@lucent.com>
7641 * Makefile.in (install-common): Don't depend on installdirs here.
7642 Instead, make each of the lang.install-common targets (e.g.,
7643 c++.install-common in cp/Make-lang.in) depend on it.
7644 (install-driver): Depend on installdirs.
7646 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7648 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7650 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7653 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7655 * invoke.texi (--param): Document.
7657 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7659 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7661 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7663 * i386.md (extendsfdf2_2): Fix constraints.
7665 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7667 * i386.md (fop_df_3 splitter): Fix operand number.
7669 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7671 * invoke.texi (-mreg-alloc): Nuke.
7672 * i386.c (ix86_reg_alloc_order, regs_allocated,
7673 order_regs_for_local_alloc): Nuke.
7674 (override_options): Kill reg_alloc code.
7675 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7676 (REG_ALLOC_ORDER): SSE goes before I387.
7677 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7678 (ix86_reg_alloc_order): Likewise.
7679 * i386-protos.h (ix86_reg_alloc_order): Kill.
7681 2001-02-14 Richard Henderson <rth@redhat.com>
7683 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7685 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7687 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7689 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7691 * i386-protos.h (ix86_memory_move_cost): Move offline.
7692 * i386.c (ix86_register_move_cost): Compute properly cost of
7693 SSE, MMX and i387 instructions.
7694 (*_cost): Add costs of SSE/MMX moves.
7695 (ix86_memory_move_cost): Move offline from ....; Likewise.
7696 * i386.h (MEMORY_MOVE_COST): .... here;
7697 (struct processor costs): Add new fields to represent costs
7700 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7702 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7703 move_cost together with Matt Kraai's fix.
7705 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7707 * Makefile.in (OBJS): Add params.o.
7709 2001-02-14 Richard Henderson <rth@redhat.com>
7710 DJ Delorie <dj@redhat.com>
7712 * jump.c (jump_optimize_1): When we delete a conditional jump
7713 preceeding a non-conditional jump to effectively the same place,
7714 make sure that the combined jump skips any clobber insns between
7717 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7719 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7721 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7723 * Makefile.in (toplev.o): Depend on params.h.
7724 (intergate.o): Likewise.
7725 (params.o): New target.
7726 * flags.h (inline_max_insns): Remove.
7727 * integrate.c: Include params.h.
7728 Use MAX_INLINE_INSNS instead of inline_max_insns.
7729 * params.c: New file.
7730 * params.h: Likewise.
7731 * params.def: Likewise.
7732 * toplev.c: Include params.h.
7733 (lang_independent_params): New variable.
7734 (decode_f_option): Use the param machinery instead of setting
7736 (independent_decode_option): Handle "--param name=value".
7737 (main): Register language-independent parameters.
7739 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7741 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7743 2001-02-14 Richard Henderson <rth@redhat.com>
7745 * regclass.c (init_reg_sets_1): Revert last two changes.
7747 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7749 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7750 (variable_size): Call put_pending_size.
7751 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7752 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7753 sizes list, put newly created SAVE_EXPR there as well.
7755 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7757 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7758 (errata_find_address_regs): load_group has only 2 entries.
7759 (errata_emit_nops): Likewise. shladd is not problematic.
7760 Clear last_group if nop was emitted.
7761 (fixup_errata): load_group has only 2 entries.
7764 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7766 * c-lex.c (lex_number): Only warn traditionally for U suffix
7767 outside system macros.
7768 * cppexp.c (parse_number): Similarly.
7769 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7770 * cppmacro.c (struct cpp_macro): New member node.
7771 (parse_args): Only warn about missing rest args if not
7773 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7774 (cpp_sys_objmacro_p): New.
7775 (_cpp_create_definition): Store the node with the macro defn.
7776 Remember if the macro is defined in a system header.
7778 2001-02-13 DJ Delorie <dj@redhat.com>
7780 * configure.in (check_languages): determine languages to check
7781 * Makefile.in (check-c++): alias for check-g++
7782 (check-f77): alias for check-g77
7783 (CHECK_TARGETS): depend on configured languages
7785 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7787 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7788 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7789 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7790 (sqrtextendsfdf2): Disable for SSE2.
7792 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7794 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7795 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7796 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7797 (sqrtextendsfdf2): Disable for SSE2.
7799 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7801 * i386.md (movsfcc_1): Support integer cmove instruction.
7802 (movdfcc_1): Likewise; new splitter.
7804 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7806 * i386.c (output_fp_compare): Support SSE.
7807 (prepare_fp_compare_args): SSE comparisons always support memory.
7808 * i386.h (TARGET_CMOVE): SSE imply cmove.
7809 * i386.md (cmp?f2): Enable for SSE too.
7810 (cmpfp_i*): Support SSE.
7812 (cmpfp_i_sse_only): New.
7813 (s*, b* fp expanters): Enable for SSE too.
7814 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7817 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7819 * regclass.c (init_reg_sets_1): Silence warning.
7821 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7823 * i386.md (sqrt?f2): Change to expander.
7824 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7826 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7828 * rtlanal.c (find_reg_equal_equiv_note): New function.
7829 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7830 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7831 * rtl.h: Add declarations for above functions.
7833 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7835 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7837 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7838 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7839 * flow.c (mark_regs_live_at_end): Likewise.
7840 (calculate_global_regs_live): Likewise.
7841 * gcse.c (compute_hash_table): Likewise.
7842 (compute_kill_rd): Likewise.
7843 * resource.c (mark_target_live_regs): Likewise.
7844 * rtl.h (INVALID_REGNUM): New macro.
7846 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7848 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7850 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7852 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7855 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7857 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7859 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7860 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7861 (fop_sf_1_sse, fop_df_1_sse): New patterns
7862 (fop_*): Disable float_extend and float patterns for SSE compilation.
7863 * i386.c (output_387_binary_op): Support SSE.
7865 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7867 * i386.md (dummy_extendsfdf2): Support SSE2
7868 (extendsfdf2): Enable if 80387 or SSE2.
7869 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7870 and no MIX_I387_SSE2
7871 (extendsfdf2_1_sse_only): New pattern.
7872 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7874 (truncdfsf2_1): Support SSE.
7875 (truncdfsf2_2): Support SSE.
7876 (truncdfsf2_2_1_sse): New pattern.
7877 (fixtruncsfsi2): Always use SSE if available.
7878 (fix_truncsfsi_sse): New pattern.
7879 (fix_truncdfsi_sse): New pattern.
7880 (floatsis?f2): Support SSE.
7881 (floatsidf2_i387): New pattern.
7882 (floatsidf2_sse): Likewise.
7884 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7886 * configure.in: Use "have_gnat" variable, not "gnat".
7887 * configure: Regenerated.
7889 * config/sparc/sparc.c (function_value): Treat all non-record
7890 aggregate types like used to treat UNION_TYPE.
7892 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7894 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7895 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7897 (MASK_MIX_SSE_I387): New.
7898 (TARGET_SSE): SSE2 imply SSE.
7899 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7900 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7901 (enum reg_class): Add new classes.
7902 (REG_CLASS_NAMES): Likewise.
7903 (REG_CLASS_CONTENTS): Likewise.
7904 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7905 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7906 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7907 (CLASS_MAX_NREGS): Use new macros.
7908 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7909 * i386.md (pushsf, movsf): Support SSE.
7910 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7911 splitters to use ANY_FP_REGNO_P.
7912 (movdf_nointeger, movdf_integer): Likewise.
7914 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7916 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7917 (try_combine): Use it.
7919 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7921 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7922 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7923 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7924 (REGISTER_MOVE_COST): Likewise.
7925 * i386-protos.h (ix86_secondary_memory_needed,
7926 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7927 * i386.c (ix86_secondary_memory_needed,
7928 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7930 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7932 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7933 (HARD_REGNO_MODE_OK): Move offline to ....
7934 * i386.c (ix86_hard_regno_mode_ok) ... here;
7935 refuse all incorrect modes.
7936 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7938 2001-02-13 Richard Henderson <rth@redhat.com>
7940 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7941 entire operator; replicate that and match_dup the operands.
7942 (cmp_ccx_arith_op_set): Likewise.
7943 (cmp_cc_arith_op_not_set): Likewise.
7944 (cmp_ccx_arith_op_not_set): Likewise.
7946 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7948 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7950 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7952 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7953 (TARGET_NO_BITFIELD_WORD): New macro.
7954 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7955 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7957 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7959 * cselib.c: New file, from simplify-rtx.c.
7960 * simplify-rtx.c: Remove cselib parts.
7961 * Makefile.in: Add cselib.o.
7963 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7965 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7966 (setup_incoming_varargs): Remove warning.
7968 * config/rs6000/rs6000.c (validate_condition_mode): When
7969 flag_fast_math, allow floating-point conditionals to be reversed.
7970 (rs6000_generate_compare): When flag_fast_math, don't generate
7971 cror operations for FP conditionals.
7973 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7975 (ASM_SPEC): Likewise.
7976 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7977 (CC1_SPEC): Likewise.
7978 (LINK_TARGET_SPEC): Likewise.
7979 (CPP_ENDIAN_SPEC): Likewise.
7980 * Makefile.in (check-consistency): New target.
7982 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7984 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7985 "return type defaults" warning for functions with return type
7987 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7988 function declarations by default rather than only when pedantic.
7990 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7992 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7995 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7997 * extend.texi (Deprecated): Deprecate new initializer lists.
7999 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
8001 * mkdeps.c (deps_add_default_target): Robustify. Add
8002 basename component only.
8003 * cpp.texi (-M): Describe how default target is generated.
8004 * invoke.texi (-M): Likewise.
8006 2001-02-12 Kazu Hirata <kazu@hxi.com>
8008 * toplev.c (push_float_handler): Remove.
8009 (pop_float_handler): Remove.
8010 * toplev.h: Remove prototypes for the above functions.
8012 2001-02-12 Jakub Jelinek <jakub@redhat.com>
8014 * c-common.c (constant_fits_type_p): New function.
8015 (convert_and_check): Use it.
8017 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8019 * Makefile.in (GXX_ABI_FLAG): Don't define.
8020 * configure.in (--enable-new-gxx-abi): Remove option.
8021 * config.in: Regenerated.
8022 * configure: Likewise.
8024 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
8026 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
8028 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
8029 regular basic block, and arrange for all edges into it to switch
8032 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8034 * Makefile.in (distclean): Do not remove .gdbinit.
8036 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8038 * Makefile.in (gcc.o): Fix typos.
8039 (protize.o): Likewise.
8040 (unprotoize.o): Likewise.
8042 2001-02-11 Richard Henderson <rth@redhat.com>
8044 * tree.c (build1): Check for null operand in last change.
8046 2001-02-11 Richard Henderson <rth@redhat.com>
8048 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8049 (fold): Don't assume a constant isn't foldable.
8050 * tree.c (build): Set TREE_CONSTANT for an expression with no
8051 side-effects and constant operands.
8054 2001-02-10 Richard Henderson <rth@redhat.com>
8056 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8058 2001-02-10 Anthony Green <green@redhat.com>
8060 * cpp.texi (Standard Predefined): Add documentation for
8063 * c-common.c (combine_strings): Improve warning message.
8065 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8067 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8069 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8071 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8073 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8076 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8078 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8081 2001-02-09 Nick Clifton <nickc@redhat.com>
8083 * config/arm/arm.md: Change output contraint on post inc
8084 load/store multiple patterns to be a read/write contraint.
8086 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8088 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8089 .o files when using the -M options.
8091 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8092 David Edelsohn <edelsohn@gnu.org>
8094 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8095 handle DImode constants. Use one TOC entry for SImode and smaller
8096 constants, aligned properly.
8098 2001-02-08 Jason Merrill <jason@redhat.com>
8100 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8101 about the SP adjustment for saving the static chain pointer.
8102 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8103 offset when setting a temporary CFA register.
8105 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8107 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8108 powerpc-*-chorusos* .
8109 * config/rs6000/chorus.h : New file.
8110 * config/i386/chorus.h : New file.
8111 * config/sparc/chorus.h : New file.
8112 * config/sparc/t-chorus-elf : New file.
8114 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8116 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8117 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8118 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8119 (__WCHAR_TYPE__): Correct macro name.
8121 2001-02-08 Richard Henderson <rth@redhat.com>
8123 * config/i386/i386.c (ix86_frame_pointer_required): New.
8124 (ix86_setup_frame_addresses): New.
8125 (struct machine_funciton): Add accesses_prev_frame.
8126 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8127 ix86_frame_pointer_required.
8128 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8129 (SETUP_FRAME_ADDRESSES): New.
8130 * config/i386/i386-protos.h: Update.
8131 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8132 from FRAME_POINTER_REQUIRED.
8133 * config/i386/svr3gas.h: Likewise.
8134 * config/i386/sysv3.h: Likewise.
8135 * config/i386/v3gas.h: Likewise.
8137 2001-02-08 Richard Henderson <rth@redhat.com>
8139 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8140 calculation of the number of integer registers required.
8141 (function_arg_record_value): Likewise.
8143 2001-02-08 Jason Merrill <jason@redhat.com>
8145 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8146 two. Print file and line with "confused" message.
8148 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8150 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8152 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8154 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8156 * final.c (cleanup_subreg_operands): The address of a MEM can
8159 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8162 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8164 * gcc.texi (Incompatibilities): Update documentation of
8165 preprocessing numbers.
8167 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8169 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8171 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8173 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8175 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8176 * gcc.c (struct compiler): Add cpp_spec field.
8177 (input_file_compiler): New variable.
8178 (do_spec_1): Allow a particular compiler to handle `%C'
8180 (main): Store the current compiler in input_file_compiler.
8181 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8183 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8185 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8186 * cppinit.c (cpp_create_reader): Initialize them.
8187 (append_include_chain): cxx_aware arg might be unused.
8188 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8189 keywords and give them their phase 7 meaning. Pedwarn about
8190 this unless '__bool_true_false_are_defined' is defined.
8192 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8194 * lcm.c (optimize_mode_switching): Emit mode_set before the
8195 JUMP_INSN of an abnormal edge.
8197 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8199 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8200 a scheduling barrier at the end.
8202 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8204 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8206 * config/sh/sh.md (reload_outsf): Removed.
8207 (movsf_ie): Introduce constraints for FPUL loads and stores.
8208 (reload_insf): Broaden the output constraint.
8210 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8212 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8213 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8215 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8217 * final.c: Revert my previous changes.
8218 * output.h: Make profile_label_no extern.
8219 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8220 for generating label.
8222 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8224 * config/i386/djgpp.h: Add comments about standard paths.
8225 (MD_EXEC_PREFIX): Undefine before defining.
8226 (MD_STARTFILE_PREFIX): New.
8228 2001-01-30 Bruce Korb <bkorb@gnu.org>
8230 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8231 (load_file): do not rely on load_file_data() to close file pointer
8232 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8233 fixinc/inclhack.def(irix_limits_const): add test_text
8235 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8237 * cppexp.c (parse_defined): Improve diagnostics for invalid
8240 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8242 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8244 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8246 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8247 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8248 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8249 (rs6000_output_symbol_ref): New function.
8250 (output_toc): Use VTABLE_NAME_P.
8252 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8254 * print-tree.c (print_node, case PARM_DECL):
8255 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8257 * stor-layout.c (reference_types_internal): New variable.
8258 (internal_reference_types): New function.
8259 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8260 * tree.h (internal_reference_types): New declaration.
8262 * cse.c (find_best_addr): Fix typo in computing cost.
8264 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8266 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8267 and this is the sum of a pointer and a constant, we know the result
8269 (num_sign_bit_copies, case PLUS): Likewise.
8270 * explow.c (convert_memory_address): Remove opposite SUBREG.
8271 * function.c (instantiate_new_reg): New function (from common code).
8272 (instantiate_virtual_regs_1): Call it.
8273 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8274 if pointers sign- or zero-extend.
8275 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8276 If pointers extend unsigned, use inside of SUBREG.
8277 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8279 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8281 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8282 subdir of gcc_gxx_include_dir.
8283 (gcc_gxx_target_include_dir): Remove.
8285 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8287 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8288 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8289 a high-level description.
8291 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8293 * final.c: Move the declaration of profile_label_no to ...
8294 * output.h: ... here.
8295 * function.c (expand_function_start): Call PROFILE_HOOK.
8296 * config/rs6000/aix.h: Define PROFILE_HOOK.
8297 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8298 * config/rs6000/rs6000.c (output_profile_hook): Define.
8299 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8300 output_profile_hook.
8301 tm.texi : Explain new macro PROFILE_HOOK.
8303 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8305 * extend.texi (Extended Asm): Do not say that semicolon is always
8306 a valid line-breaking character for GNU assemblers. Use
8307 newline-tab as the most commonly supported syntax. Use
8308 newline-tab rather than semicolon in multi-insn examples.
8310 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8312 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8314 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8315 David Edelsohn <edelsohn@gnu.org>
8317 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8318 code for AIX, even without flag_pic.
8320 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8322 * c-typeck.c (common_type): push and pop binding level around
8323 calling common_type on function parameters.
8325 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8327 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8329 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8331 * config/mips/mips.c (override_options): Fix typo in last change.
8332 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8333 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8335 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8337 * invoke.texi (-fdump-class-layout): Document.
8338 (-fdump-translation-unit): Use `=' as filename separator.
8340 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8342 * Makefile.in (s-mlib): Don't build multilibs if
8344 (DRIVER_DEFINES): Adjust accordingly.
8346 (protoize.o): Likewise.
8347 (unprotoize.o): Likewise.
8348 * configure.in: Recognize --enable-multilib.
8350 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8352 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8354 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8355 * configure.in: Remove --enable-libstdcxx_v3 support.
8356 * configure: Regenerated.
8358 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8360 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8361 Call abort instead of fatal.
8362 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8363 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8364 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8365 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8366 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8367 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8369 * diagnostic.h (set_internal_error_function): Renamed.
8370 * toplev.h (internal_error): Renamed from fatal.
8371 (pfatal_with_name): Deleted.
8372 (fatal_io_error): Now has printf-style arguments.
8373 * diagnostic.c (pfatal_with_name): Deleted.
8374 (fatal_io_error): Rework to have args in printf-style.
8375 (set_internal_error_function): Renamed from set_fatal_function.
8376 (internal_error): Renamed from fatal.
8377 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8378 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8379 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8380 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8381 * flow.c (verify_flow_info): Likewise.
8382 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8383 * config/mips/mips.c (save_restore_insns): Likewise.
8385 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8386 * flow.c (verify_flow_info): Likewise.
8387 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8388 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8389 (avr_normalize_condition): Likewise.
8390 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8391 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8392 (limit_reload_class, double_reg_to_memory): Likewise.
8393 (print_operand_address, emit_1600_code_shift): Likewise.
8394 (gen_tst_reg, gen_compare_reg): Likewise.
8395 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8396 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8398 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8400 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8401 * objc/objc-act.c (build_ivar_chain): Likewise.
8402 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8404 * graph.c (clean_graph_dump_file): Likewise.
8405 * profile.c (init_branch_prob): Likewise.
8406 * objc/objc-act.c (objc_init): Likewise.
8408 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8409 * config/avr/avr.c (avr_override_options): Likewise.
8410 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8411 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8412 * config/h8300/h8300.c (h8300_init_once): Likewise.
8413 * config/mips/mips.c (override_options): Likewise.
8414 * config/i386/i386.c (override_options): Likewise, rework.
8415 * config/m68k/m68k.c (override_options): Likewise.
8417 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8419 * config/mips/mips.c (print_operand): Likewise.
8420 * hash.c (hash_allocate): Don't check for failure returns from
8421 obstack functions that can't fail.
8422 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8423 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8424 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8425 (get_object_reference): Likewise.
8427 2001-02-04 Nick Clifton <nickc@redhat.com>
8429 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8430 StrongARM1110, 10TDMI, and 1020T.
8432 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8434 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8436 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8438 * config/sh/sh.md (movdf load split): Pass register number to
8439 FP_OR_XD_REGISTER_P.
8441 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8443 * cppinit.c (BC): New macro.
8444 (builtin_array): Add __GXX_WEAK__.
8445 * cpplib.h (builtin_type): Add BT_WEAK.
8446 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8447 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8448 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8450 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8452 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8454 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8456 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8457 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8459 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8461 * cpphash.h: Rename ALIGN _ALIGN.
8462 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8464 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8466 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8467 compilation environment.
8468 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8469 control over location of cygwin includes and libs.
8471 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8473 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8475 2001-02-02 lars brinkhoff <lars@nocrew.org>
8477 * md.texi (Standard Names): remove reference to spur.md.
8479 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8481 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8482 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8483 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8484 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8485 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8487 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8489 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8490 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8491 number before reload.
8492 (c4x_adjust_cost): Return zero before reload.
8493 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8494 split before reload.
8496 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8498 * c4x.c (c4x_hard_regno_rename_ok): New.
8499 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8500 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8502 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8504 * diagnostic.h: Add missing "extern" in all declarations.
8506 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8508 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8509 as for gcc_gxx_include_dir.
8511 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8513 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8515 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8517 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8518 label before alignment to be used as the braf base address.
8519 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8521 (casesi_jump_2): Require at least TARGET_SH2.
8523 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8524 truncation to 32-bit doubles on -m3e and -m4-single-only.
8526 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8528 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8529 the default when building a shared object.
8530 (init_spec): Use it.
8531 * testsuite/lib/g++.exp: Include the directory where libgcc
8532 is located to the LD_LIBRARY_PATH list.
8533 * invoke.texi (-shared-libgcc): Document the cases in which
8534 GCC defaults to using the shared libgcc.
8536 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8538 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8539 unsigned is wide enough.
8541 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8542 (si_to_float): Likewise.
8543 (float_to_si, float_to_usi): Use BITS_PER_SI.
8545 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8547 * dwarf2out.c: Added explanation of abbreviations.
8548 (def_cfa_1): Added comments listing DWARF2 instructions.
8549 (cfa_temp_reg): Removed in favor of cfa_temp.
8550 (cfa_temp_value): Removed in favor of cfa_temp.
8551 (cfa_temp): New global variable.
8552 (dwarf2out_frame_debug_expr): Added extensive introductory
8553 comments explaining the function's transformations. Revised to
8554 use cfa_temp. Added some rtx checking. Generalize IOR case.
8555 (dwarf2out_frame_debug): Revised to use cfa_temp.
8556 (output_aranges): Cast as "unsigned" to avoid warning.
8557 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8558 explain which instructions must be marked.
8560 2001-02-01 Richard Henderson <rth@redhat.com>
8562 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8565 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8567 * config/sh/crt1.asm (main_k): Modified so that start calls
8568 ___setup_argv_and_call_main.
8570 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8572 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8573 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8574 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8575 * cppmacro.c (builtin_macro): Set builtin flags here.
8576 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8577 (replace_args): Clarify intent.
8578 (cpp_get_token): Macro expansion tokens get the saved flags.
8580 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8583 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8585 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8588 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8590 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8591 returns Pmode pseudo, but we need ptr_mode.
8592 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8593 Remove bogus conversions; use HOST_WIDE_INT for size.
8594 Don't use TARGET if wrong mode.
8596 * config/i386/i386.c (ix86_compute_frame_size): Allow
8597 stack_alignment_needed to be non-default even if size is zero.
8599 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8601 * pa.c (hppa_init_pic_save): New function.
8602 * pa.h (hppa_init_pic_save): Declare.
8603 * pa.md (call, call_value, sibcall, sibcall_value): Use
8604 the above instead of duplicated code.
8606 * pa.c (hppa_encode_label): Correct size of alloca buffer
8607 so we don't overrun it. Correct leading `*' case.
8608 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8609 need to handle `*@'.
8610 (FUNCTION_NAME_P): Likewise.
8612 2001-01-31 Richard Henderson <rth@redhat.com>
8614 * config.gcc (alpha-osf5): Use float-i128.h.
8616 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8617 * config/float-i32.h: Likewise.
8618 * config/float-i64.h: Likewise.
8619 * config/float-sh.h: Likewise.
8620 * config/float-sparc.h: Likewise.
8622 2001-01-31 DJ Delorie <dj@redhat.com>
8624 * expmed.c (extract_bit_field): allow non-integral modes if we
8625 want to extract a whole register from itself.
8627 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8629 * c-typeck.c (set_init_index): If first is equal to last, assume as
8630 if it was not a range at all.
8632 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8634 * config/fp-bit.c: Include tm.h.
8635 (float_to_si): Don't assume SImode is 32-bits wide.
8636 (float_to_usi): Likewise.
8638 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8640 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8642 (typename): Call pending_xref_error after parsing typed_typespecs.
8643 * c-decl.c (lookup_tag): Give error immediately rather than
8644 leaving it pending if the tag of the wrong type is in the same
8646 (xref_tag): Don't pedwarn for forward declarations of enum types
8648 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8651 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8653 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8655 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8657 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8658 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8660 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8662 * cpphash.h (struct cpp_reader): New saved_flags.
8663 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8664 to avoid a paste after a pasted token.
8666 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8668 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8669 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8670 Wtype_MIN instead of LONG_MIN.
8672 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8674 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8676 * fixinc/fixincl.x: Regenerated.
8677 * fixinc/inclhack.def (irix_limits_const): New definition to
8678 convert "const" to "__const" in limits.h.
8680 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8682 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8684 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8686 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8687 when register dies in the insn.
8689 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8691 * diagnostic.c (fatal): Fix word wrap.
8693 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8695 * combine.c (try_combine): Fix SUBREG setting for
8696 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8698 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8700 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8703 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8705 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8707 * toplev.c (decode_W_option): Update warn_larger_than
8708 unconditionally for each processed switch.
8710 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8712 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8714 (hppa_expand_prologue): Delete code to save pic offset table register
8715 in the function prologue.
8716 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8717 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8718 table register at the beginning of the function after the prologue.
8720 2001-01-29 lars brinkhoff <lars@nocrew.org>
8722 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8724 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8725 Jeff Law <law@redhat.com>
8727 * pa.md (return): Revise comment for trivial return.
8728 (return_internal): Non-trivial return pattern for non-PIC code.
8729 (return_internal_pic): Non-trivial return pattern for PIC code.
8730 It uses the PIC register to ensure it is restored after
8732 (epilogue): Generate appropriate return for PIC and non-PIC code.
8734 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8736 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8738 2001-01-29 DJ Delorie <dj@redhat.com>
8740 * combine.c (if_then_else_cond): Pass the correct mode to
8741 operand_subword() for constants.
8743 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8745 * config/i386/cygwin.h: Add w32api to include search. Search different
8746 directories in a cross-build environment.
8748 2001-11-29 Tim Josling <tej@melbpc.org.au>
8750 * tree.h (TYPE_STUB_DECL): Add documentation.
8752 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8754 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8755 (sdbout_field_types): Likwise. Fix use of host_integerp.
8757 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8759 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8762 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8764 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8765 to use flag_gnu_linker.
8767 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8769 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8770 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8772 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8774 * tree.c, tree.h (build_parse_node): Remove; was identical to
8776 * c-lang.c (start_cdtor), objc/objc-act.c
8777 (build_module_descriptor): Use build_nt instead of
8780 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8782 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8783 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8784 not have any upper bits set.
8786 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8788 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8790 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8792 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8794 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8796 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8797 (integer_minus_one_node): Define.
8799 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8801 * Makefile.in (bootstrap2-lean): Fix typo.
8803 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8805 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8806 : Don't set fe_value.
8807 * cpplib.h (AVOID_LPASTE): New flag.
8808 (struct cpp_hashnode): Remove fe_value.
8809 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8810 * cppmacro.c (builtin_macro): Don't set flags here.
8811 (replace_args): Set AVOID_LPASTE flag on first token of an
8812 argument, and the token following it.
8813 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8814 macro expansion, and on the token following it. Do it for
8816 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8818 2001-01-27 Richard Henderson <rth@redhat.com>
8820 * config/alpha/t-ieee: Remove multilibbing.
8821 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8823 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8825 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8827 * Makefile.in: Remove all dependencies on defaults.h.
8828 * builtins.c: Don't include defaults.h.
8829 * c-common.c: Likewise.
8830 * c-decl.c: Likewise.
8831 * c-pragma.c: Likewise.
8832 * c-typeck.c: Likewise.
8833 * combine.c: Likewise.
8835 * frame-ia64.c: Likewise.
8836 * cppexp.c: Likewise.
8837 * crtstuff.c: Likewise.
8838 * dbxout.c: Likewise.
8839 * dwarf2out.c: Likewise.
8840 * dwarfout.c: Likewise.
8841 * emit-rtl.c: Likewise.
8842 * except.c: Likewise.
8844 * final.c: Likewise.
8845 * frame-dwarf2.c: Likewise.
8846 * libgcc2.c: Likewise.
8847 * optabs.c: Likewise.
8848 * profile.c: Likewise.
8849 * sdbout.c: Likewise.
8850 * toplev.c: Likewise.
8851 * tradcif.y: Likewise.
8853 * varasm.c: Likewise.
8855 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8857 * builtins.c (expand_builtin_fputs): Use size_one_node when
8858 transforming into fwrite.
8860 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8862 * extend.texi (Attribute Syntax): New section.
8864 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8866 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8867 they didn't need fixing.
8869 2001-01-27 Janis Johnson <janis@us.ibm.com>
8871 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8873 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8874 to remove macro definitions that are duplicated from elfos.h.
8876 2001-01-27 Richard Henderson <rth@redhat.com>
8878 * config/i386/sco5gas.h: Move ...
8879 * config/usegas.h: ... here.
8880 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8882 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8884 * c-typeck.c (struct constructor_stack): Add range_stack member.
8885 (really_start_incremental_init): Clear it.
8886 (push_init_level): Save constructor_range_stack and clear it if
8887 pushing explicit braces.
8888 (pop_init_level): abort if constructor_range_stack is non-zero at
8889 explicit closing brace. Restore saved constructor_range_stack if
8892 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8894 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8895 into register was forced into memory.
8897 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8899 * Makefile.in: Remove uses of + before $(MAKE).
8901 2001-01-26 Richard Henderson <rth@redhat.com>
8903 * stmt.c (cost_table): Remove.
8904 (COST_TABLE, cost_table_initialized): New.
8905 (estimate_case_costs): Use the later instead of the former.
8906 (balance_case_nodes): Likewise.
8908 2001-01-26 Richard Henderson <rth@redhat.com>
8910 * alias.c (objects_must_conflict_p): Read-only slots may not
8911 conflict despite having the same type.
8913 2001-01-27 Michael Hayes <mhayes@redhat.com>
8915 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8917 (check_ext_dependant_givs): Initialise u_start_val and
8919 (load_mems): Make last_max_reg unsigned.
8920 (try_swap_copy_prop): Use INSN_P and initialise set.
8922 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8924 * README.AVR : Removed.
8926 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8928 * pa-64.h (text_section): Remove declaration.
8930 * pa.md (return_internal): Remove mode on PIC register use.
8932 2001-01-25 lars brinkhoff <lars@nocrew.org>
8934 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8935 ASM_CLOSE_PAREN): fix typos.
8937 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8939 * acconfig.h: Define `const' to the empty string if neither
8940 __STDC__ nor __cplusplus is defined.
8941 * config.in: Regenerated.
8943 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8945 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8946 * collect2.c (main): Delete importf. Add ".obj" file extension.
8947 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8948 (aix_std_libs): Add additional AIX libraries to skip.
8949 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8950 * config/rs6000/aix51.h: New file.
8952 2001-01-25 Michael Hayes <mhayes@redhat.com>
8954 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8955 (loop_insn_emit_before): No longer static.
8956 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8957 (loop_givs_rescan, load_mems): Likewise.
8958 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8959 (maybe_eliminate_biv_1):
8960 (move_movables): Replace emit_call_insn_before with
8961 loop_call_insn_hoist.
8962 * loop.h (loop_insn_emit_before): Add.
8963 * unroll.c (copy_loop_body): Replace emit_insn_before with
8964 loop_insn_emit_before.
8966 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8968 * diagnostic.c (fatal): Request preprocessed source.
8970 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8972 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8973 olddecl has argument types and newdecl has none, use the argument
8976 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8978 * dwarf2out.c (prefix_of): New function. Determine longest common
8979 prefix of the two arguments. The units are whole path components.
8980 (output_file_names): When adding a new directory find the one entry
8981 with the longest common prefix already in the list. Artificially
8982 generate entry if there is none for this prefix.
8983 Fix test to check whether the zeroth directory entry is used.
8985 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8987 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8988 Changed all callers. Take it into account when deciding if a
8989 previously loaded value matches.
8991 2001-01-24 Richard Henderson <rth@redhat.com>
8993 * reload.c (find_reloads_subreg_address): Fail the substitution
8994 if the resulting address is insufficiently aligned.
8996 2001-01-24 DJ Delorie <dj@redhat.com>
8998 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8999 check the original operand's mode also.
9000 * simplify-rtx.c (simplify_ternary_operation): Ditto.
9002 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9004 * c-parse.in (cast_expr): Move compound literals from here ...
9005 (primary): ... to here. Use standard terminology "compound
9006 literal" instead of "constructor expression".
9008 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
9010 * gcc.1, cpp.1: Regenerate.
9012 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
9014 * calls.c (emit_library_call_value_1): Memory slot for
9015 pass-by-reference argument should have the mode of the argument,
9016 not of the pointer to it.
9018 2001-01-24 Tom Tromey <tromey@redhat.com>
9020 * gcc.texi (G++ and GCC): Mention gcj manual.
9021 (Standards): Link to section of manual mentioning gcj/Java
9024 2001-01-24 Jakub Jelinek <jakub@redhat.com>
9026 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
9027 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
9028 * tradcpp.c (main): Add -imacros or -include'd dependencies
9030 * cpp.texi (-M, -MM): Document -M -include behaviour.
9032 2001-01-24 Roger Collins <roger@ProProject.com>
9034 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9036 2001-01-24 Will Cohen <wcohen@redhat.com>
9038 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9039 whether registers are 32 bits or 64 bits in size.
9041 2001-01-24 Ben Elliston <bje@redhat.com>
9043 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9045 2001-01-24 Richard Henderson <rth@redhat.com>
9047 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9048 (builtin_longjmp): Use it instead of emit_indirect_jump.
9050 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9052 * bb-reorder.c (make_reorder_chain_1): Handle case where
9053 jump edge goes to the same block as the fallthru edge.
9055 2001-01-23 Jim Wilson <wilson@redhat.com>
9057 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9058 * frame.h (__ia64_personality_v1): Add prototype.
9059 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9060 prototype form. Add void * cast to first argument to personality
9062 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9063 (asctoe113): Likewise.
9064 * config/ia64/frame-ia64.c: Include eh-common.h.
9065 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9067 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9069 (itanium_split_issue): Add prototype.
9070 (gen_nop_type): Ifdef out.
9071 (find_best_packet): Initialize best_packet.
9072 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9074 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9075 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9076 (flushrs): Add explicit stop bit at end.
9077 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9080 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9082 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9084 * libgcc2.c (__terminate_func): Make variable static.
9085 (__terminate_set_func): New function to set __terminate_func.
9086 * libgcc2.h (__terminate_func_ptr): New typedef.
9087 (__terminate_set_func): New function.
9089 2001-01-23 Richard Henderson <rth@redhat.com>
9091 * flow.c (init_propagate_block_info): Don't consider unchanging
9092 memories for dead frame store elimination.
9094 2001-01-23 Richard Henderson <rth@redhat.com>
9096 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9097 * defaults.h: ... here.
9099 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9101 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9103 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9105 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9107 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9109 * rs6000.h (rs6000_return_addr): Move prototype from here...
9110 * rs6000-protos.h (rs6000_return_addr): ...to here.
9111 (rs6000_init_expanders): Delete prototype.
9113 2001-01-23 Nick Clifton <nickc@redhat.com>
9115 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9116 (Spec Files): Document %B and %j and %. and %v3 and %M and
9117 %{S*&T} spec switches.
9119 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9121 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9123 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9124 Neil Booth <neil@daikokuya.demon.co.uk>
9126 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9127 Have -Werror make pedantic warnings errors, like the
9130 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9132 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9134 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9136 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9137 * integrate.c (expand_inline_function): Initialize them.
9138 (subst_constants): If changing COMPARE so that both its arguments
9139 will be VOIDmode and the comparison mode will be lost, note
9140 compare_mode. Use the recorded compare_mode to optimize
9143 2001-01-23 Jason Merrill <jason@redhat.com>
9145 * dwarf2out.c (new_die): Use xcalloc.
9146 (output_die): Abort rather than emit a local reference to offset 0.
9148 2001-01-17 Andrew Haley <aph@redhat.com>
9150 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9151 of a saved register; return NULL instead.
9152 (copy_reg): Take a pointer to a source register rather than a
9154 (next_stack_level): Remember the address in the stack frame of all
9156 Use the saved register pointer array as the source of the CFA.
9157 (throw_helper): Rewrite. Unwind once rather than twice and keep
9158 track of saved registers as we go.
9160 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9162 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9163 * c4x.c (c4x_legitimize_reload_address): Remove.
9164 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9165 reload address for ldp(k) insn.
9167 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9169 * pa.md (return_internal): Add a USE of the PIC register to ensure
9170 it is restored after each call.
9171 (return expander): Corresponding changes.
9173 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9175 * rs6000.h (INIT_EXPANDERS): Delete.
9176 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9177 * rs6000.c (rs6000_override_options): Call *_machine_status from
9179 (rs6000_init_expanders): ...instead of here. Delete.
9180 (rs6000_mark_machine_status): New function.
9181 (rs6000_init_machine_status): Use xcalloc.
9182 (rs6000_return_addr): Generate RTX for the return address.
9183 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9184 (rs6000_stack_info): Use it.
9186 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9188 * gthr-win32.h: Include errno.h to get a declaration for
9189 EINVAL and _mingw.h if the target is mingw32.
9191 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9193 * cpp.texi: Correct typos.
9195 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9197 * explow.c (probe_stack_range): Ensure value passed to
9198 stack_check_libfunc is ptr_mode, not Pmode.
9200 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9202 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9203 case, don't use operand_subword to calculate a SUBREG that is
9206 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9208 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9210 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9211 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9212 valid. If not replace it by equivalent insns.
9214 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9216 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9217 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9218 (c4x_U_constraint, symbolic_address_operand): Likewise.
9219 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9221 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9222 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9223 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9224 anulling slot because of silicon bug.
9225 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9227 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9229 * cppexp.c (parse_charconst): Change `mask' type to agree
9232 2001-01-21 Richard Henderson <rth@redhat.com>
9234 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9235 pic_label_name in a linkonce section.
9237 2001-01-17 Philipp Thomas <pthomas@suse.de>
9239 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9241 * configure: Regenerate.
9243 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9245 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9246 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9248 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9250 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9251 If REVERSE nonzero then condition code in X must be reversed.
9252 (encode_section_info): Optimise if/else.
9253 (avr_function_value): Fix formatting.
9255 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9256 (difficult_branch): Likewise.
9257 (rvbranch): Likewise.
9258 (difficult_rvbranch): Likewise.
9260 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9262 * config/avr/libgcc.S: Fix comment.
9264 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9266 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9268 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9270 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9272 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9274 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9275 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9276 * configure, config.in: Regenerate.
9277 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9278 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9279 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9280 (doprint.o): New rule.
9282 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9284 * c-typeck.c (digest_init): Handle boolean types as scalars.
9286 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9288 * stmt.c (expand_return): Don't return anything if size is zero.
9289 Delete redundant assignment to BYTES.
9290 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9292 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9294 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9295 the same as the default library function names.
9296 * config/avr/avr.md: Document special characters after '%'.
9297 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9298 knowing which of the call-used registers are really clobbered.
9299 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9300 New. Both quotient and remainder from one libgcc.S call.
9301 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9302 clobber as few registers as possible.
9303 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9305 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9307 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9308 context of the top of the stack.
9310 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9312 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9313 (fixup_var_refs_insns): ...here.
9315 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9317 * function.c (fixup_var_refs_insns): Break up into
9318 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9319 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9320 [loop over hash table entries].
9321 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9322 fixup_var_refs_insns_with_hash, to match above changes.
9324 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9326 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9327 (libgcc.a): Likewise.
9328 (stmp-multilib): Likewise.
9329 (STAGE2_FLAGS_TO_PASS): Likewise.
9331 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9333 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9334 temporary if no_new_pseudos.
9336 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9338 * cppinternals.texi: Update.
9340 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9342 * arm.c (arm_init_builtins): Re-enable builtins.
9344 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9346 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9347 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9348 element to be null, and always expect an EXPR_LIST.
9349 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9350 * sched-deps.c (sched_analyze_1): Likewise.
9351 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9353 * regclass.c (max_set_parallel): New variable.
9354 (reg_scan): Take it into account in computation of max_parallel.
9355 (reg_scan_mark_refs, case SET): Compute it.
9357 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9359 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9360 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9362 2001-01-19 Jason Merrill <jason@redhat.com>
9364 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9365 for the abstract instance of an inline function.
9367 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9368 J"orn Rennecke <amylaar@redhat.com>
9370 * reload1.c (move2add_note_store): Treat all registers directly or
9371 indirectly derived from a base register as members of the same set
9373 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9374 of base register into account.
9376 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9378 * alias.c (find_base_value): Recognize TRUNCATE.
9379 (record_set): In PLUS case, invalidate if other summand is also a
9382 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9384 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9385 entry to be EXPR_LIST.
9386 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9387 be an EXPR_LIST (but not null, which other code doesn't allow).
9388 (note_stores): Properly handle PARALLEL in SET.
9389 Recursively call for top-level PARALLEL.
9390 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9391 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9393 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9395 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9397 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9398 not pfile->skipping (== 0).
9400 2001-01-17 Nick Clifton <nickc@redhat.com>
9402 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9405 2001-01-17 Jim Wilson <wilson@redhat.com>
9407 * invoke.texi (IA-64 options): Improve.
9409 2001-01-17 Tom Tromey <tromey@redhat.com>
9411 * invoke.texi (Optimize Options): Use `{}' to around @samp
9414 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9416 * invoke.texi (-fno-guess-branch-probability): New option.
9418 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9420 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9421 case of making new double-word constant.
9422 Revert last change: instead just test i3_subst_into_i2.
9424 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9426 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9427 Use q constraints instead of r.
9429 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9431 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9432 (machine_function): Define.
9433 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9434 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9435 pa_free_machine_status): New functions.
9436 (override_options): Set {init,mark,free}_machine_status to above.
9437 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9438 PIC_OFFSET_TABLE_REGNUM_SAVED.
9439 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9440 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9441 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9442 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9443 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9445 2001-01-15 DJ Delorie <dj@redhat.com>
9447 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9451 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9453 * flow.c (propagate_on_insn): Make trying to delete a prologue
9454 or epilogue insn an ICE, not a warning. Allow doing this if
9455 the current function returns with stack pointer depressed.
9457 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9458 I3 having more than one SET.
9460 2001-01-16 Jim Wilson <wilson@redhat.com>
9462 * invoke.texi: Document IA-64 options.
9464 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9465 (fixup_errata): Delete TARGET_A_STEP use.
9466 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9467 (TARGET_SWITCHES): Delete -ma-step option.
9468 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9469 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9470 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9471 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9472 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9473 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9475 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9476 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9477 cmovsi_internal): Delete ! TARGET_A_STEP check.
9479 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9481 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9482 possibility to report bugs via postal mail. Change a URL and
9483 merge in a nearly duplicate statement...
9484 (Bug Reporting): ...from here.
9485 (Service): Refer to the Bug Reporting section instead of
9487 (Contributing): Remove trivial explanations concerning snapshots.
9489 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9491 * cppmain.c (general_init): Don't use ANSI prototype.
9493 2001-01-16 Tom Tromey <tromey@redhat.com>
9495 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9497 2001-01-16 Richard Henderson <rth@redhat.com>
9499 * config/i386/i386.h: Fix comment typo.
9500 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9501 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9503 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9505 * gcc.c: Revert previous -fsyntax-only-related change; move
9508 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9510 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9511 inmode after checking GET_CODE (op).
9513 2001-01-16 Richard Henderson <rth@redhat.com>
9515 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9516 (MAX_MEM_SET_LIST_LEN): New.
9517 (propagate_one_insn): Update mem_set_list_len.
9518 (invalidate_mems_from_autoinc): Likewise.
9519 (invalidate_mems_from_set): Likewise.
9520 (mark_used_regs): Likewise.
9521 (init_propagate_block_info): Likewise. Stop collecting memories
9522 when we reach MAX_MEM_SET_LIST_LEN.
9523 (mark_set_1): Likewise.
9525 2001-01-16 Richard Henderson <rth@redhat.com>
9527 * unroll.c (precondition_loop_p): Fail if no iteration
9530 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9532 * gcc.c: When -fsyntax-only is given, do not complain about
9535 2001-01-15 Richard Henderson <rth@redhat.com>
9537 * config/i386/i386.c (asm_output_function_prefix): Remove.
9538 (ix86_asm_file_end): New.
9539 (load_pic_register): Generate pic_label_name into a
9540 staticly allocated buffer.
9541 * config/i386/i386-protos.h: Update.
9542 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9543 (ASM_FILE_END): New.
9544 * config/i386/i386afe.h: New file.
9545 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9546 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9547 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9548 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9549 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9550 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9551 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9553 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9555 * Makefile.in (install-man): Remove explicit dependency on
9558 * configure.in, configure: Revert previous patch requiring perl
9561 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9563 * toplev.c (flag_guess_branch_prob): New.
9564 (f_options): Add guess-branch-probability option.
9565 (rest_of_decl_compilation): Only estimate branch probability if
9567 (main): set flag_guess_branch_prob.
9569 * flags.h (flag_guess_branch_prob): New.
9571 2001-01-15 DJ Delorie <dj@redhat.com>
9573 * gcc.texi (Makefile): Add documentation for Makefile targets.
9575 2001-01-15 Philip Blundell <philb@gnu.org>
9577 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9579 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9580 (is_pic): Delete declaration.
9581 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9582 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9583 * config/arm/arm.md (builtin_setjmp_receiver): New.
9585 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9587 * arm.c (use_return_insn): Don't try to determine the function type
9588 until after reload has completed.
9589 (arm_output_epilogue): Don't adjust the sp value recovered from the
9591 (emit_multi_reg_push): Don't record dwarf information for the pc.
9592 * arm.md (eh_epilogue): The function type may have changed, so it
9593 needs to be recalculated.
9594 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9595 unwind tables on arm/netbsd.
9597 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9599 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9600 (negated_cbranchsi4): Likewise.
9602 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9604 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9605 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9606 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9607 pass -mapcs-* options to assembler.
9608 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9609 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9610 (ASM_SPEC): Call subtarget_extra_asm_spec.
9612 2001-01-15 Andreas Jaeger <aj@suse.de>
9614 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9616 (ix86_expand_builtin): Likewise.
9618 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9619 warning about comparison between signed and unsigned.
9621 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9623 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9625 2001-01-14 Ralf Baechle <ralf@gnu.org>
9627 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9628 SUBTARGET_CPP_SPEC apropriatly.
9630 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9632 * varasm.c (make_decl_rtl): Fix typo in last change.
9634 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9636 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9637 linker supports the init_priority C++ attribute.
9638 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9639 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9640 linker does not support init_priority C++ attribute.
9642 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9644 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9646 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9648 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9649 * cp/lex.c (finish_parse): Similarly.
9650 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9651 Return the number of errors encountered.
9652 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9653 * cppmain.c (main): Don't call cpp_destroy.
9655 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9657 * configure.in: Require at least perl 5.6.0 to regenerate
9659 * configure: Regenerate.
9661 2001-01-14 Richard Henderson <rth@redhat.com>
9663 * genrecog.c (DT_veclen_ge): New.
9664 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9665 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9666 (nodes_identical_1): Handle DT_veclen_ge.
9667 (write_cond, debug_decision_2): Likewise.
9669 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9671 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9673 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9675 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9677 * cppmain.c (do_preprocessing): New function; most of the old
9679 (main): Call it to do most of the work.
9680 (cb): Move from global scope to set_callbacks ().
9681 (setup_callbacks): Get the callback pointer.
9682 (general_init, printer_init): Clean up code and comments.
9684 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9686 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9689 2001-01-14 Kazu Hirata <kazu@hxi.com>
9691 * config/h8300/h8300.c (get_shift_alg): Update comments.
9693 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9695 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9696 (alloc_page, ggc_alloc): Add casts to remove warnings.
9698 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9700 * combine.c (simplify_comparison): Don't change `code' when
9701 can't reverse comparison.
9703 2001-01-14 Richard Henderson <rth@redhat.com>
9705 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9706 update all call sites. Return true for all non-label constants.
9708 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9710 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9712 (ix86_expand_branch): Update.
9713 (ix86_expand_setcc): Update to handle multiple test conditions.
9714 (expand_int_movcc): Likewise.
9715 (expand_fp_movcc): Likewise.
9716 * i386-protos.h (ix86_expand_compare): New.
9717 * i386.md (andqi_?_slp, orqi_?_slp): New.
9718 (conditional trap expander): Update call to ix86_expand_compare.
9720 2001-01-14 Richard Henderson <rth@redhat.com>
9722 * config/vax/vax.md: Use nonimmediate_operand instead of
9723 general_operand in destinations.
9725 * config/vax/vax.md (indirect_jump): Use register_operand.
9727 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9728 * config/vax/vax.md (call_pop): Turn into an expander.
9729 (call_value_pop): Likewise.
9730 (call, call_value): New.
9732 2001-01-14 Andreas Jaeger <aj@suse.de>
9734 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9736 (ix86_fp_compare_mode): Add unused attribute.
9737 (ix86_expand_fp_movcc): Remove unused variable.
9738 (ix86_expand_builtin): Make fcode unsigned.
9740 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9741 (expand_expr): Add cast to avoid signed warning.
9742 (store_field): Likewise.
9743 (store_constructor_field): Likewise.
9744 (store_constructor): Likewise.
9745 (store_expr): Likewise.
9746 (clear_storage): Likewise.
9747 (emit_group_store): Likewise.
9748 (emit_group_load): Likewise.
9750 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9752 * c-common.c: Move format checking code to ...
9753 * c-format.c: ... here. New file. Reorder some functions and
9755 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9757 * c-common.h (decl_handle_format_attribute,
9758 decl_handle_format_arg_attribute): Declare.
9759 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9760 (c-common.o): Adjust dependencies.
9761 (c-format.o): New list of dependencies.
9763 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9765 * unroll.c (loop_iterations): If we cannot prove iteration variable
9766 is set once in each iteration, punt.
9768 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9770 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9771 (*strlenhi): Remove clobber (which was buggy) of output address.
9773 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9775 * Makefile.in (generated-manpages): Add gcc.1
9776 ($(srcdir)/gcc.1): New target.
9777 (maintainer-clean): Delete $(srcdir)/gcc.1.
9778 * gcc.texi: Add macros @gccoptlist and @gol.
9779 * invoke.texi: Include option summary in manpage. Mark up option
9780 summary with @gccoptlist and @gol. Use @r in one place where
9782 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9783 * gcc.1: Generate from invoke.texi.
9785 2001-01-13 Richard Henderson <rth@redhat.com>
9787 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9788 (struct page_entry): Add group member.
9789 (struct page_group): New.
9790 (struct globals): Add page_groups member.
9791 (alloc_anon): Only define for using mmap; remove valloc call.
9792 (page_group_index): New.
9793 (set_page_group_in_use): New.
9794 (clear_page_group_in_use): New.
9795 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9796 (free_page, release_pages): Likewise.
9797 * configure.in (with-gc): Default to ggc-page always.
9799 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9801 * reload1.c (replace_pseudos_in_call_usage): Use
9802 reg_equiv_constant and reg_equiv_address, and don't try
9803 regno_reg_rtx first.
9805 2001-01-13 Richard Henderson <rth@redhat.com>
9807 * ggc-page.c (alloc_page): Round up allocation size to one page.
9808 Set e->order on extra pages.
9810 2001-01-13 Richard Henderson <rth@redhat.com>
9812 * genrecog.c (nodes_identical): Expand commentary.
9813 (write_switch): Watch out for identical nodes.
9815 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9817 * cppfiles.c (_cpp_fake_include): New function.
9818 * cpphash.h (_cpp_fake_include): New.
9819 * cpplib.c (do_line): Call _cpp_fake_include when entering
9820 header files in preprocessed input.
9821 * cppmain.c (cb_pragma_implementation): Remove handling.
9822 (setup_callbacks): Don't register pragmas.
9824 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9826 * extend.texi: Udate for CPP.
9828 2001-01-13 Andreas Jaeger <aj@suse.de>
9830 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9832 * regmove.c: Add prototype for replace_in_call_usage.
9834 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9836 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9837 struct cpp_chunk, struct htab, struct toklist,
9838 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9839 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9840 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9841 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9842 (struct macro_args): Delete.
9843 * cpphash.h: See above.
9845 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9847 * cppmain.c (struct printer): Remove no_line_dirs.
9849 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9850 : Use options rather than CPP_OPTION.
9851 (setup_callbacks): Use cb rather than pfile->cb.
9852 (main): No need to check for a buffer. Use cpp_errors.
9853 (printer_init): Don't set no_line_dirs.
9854 (maybe_print_line): Use options not no_line_dirs.
9855 (cb_file_change): Don't call print_line if -P.
9857 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9859 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9861 * c-parse.in (finish_parse): Use cpp_errors.
9862 (__yylex): Use return value of cpp_pop_buffer.
9863 * cp/lex.c (finish_parse): Use cpp_errors.
9864 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9866 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9868 * README.AVR: URLs corrected.
9870 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9872 * c-decl.c (start_function): Don't warn if old prototype is builtin
9873 that's not in C's namespace.
9874 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9875 (_bb): Add prototype for ctime.
9876 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9878 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9880 * i386.c (ix86_fp_comparison_arithmetics_cost,
9881 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9882 ix86_fp_comparison_cost): New functions.
9883 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9884 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9885 two-branch sequences; make static.
9886 (ix86_use_fcomi_compare): Do decision according to the costs.
9887 (split_fp_branch): New.
9888 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9889 * i386-protos.h (ix86_expand_fp_compare): Remove
9890 (ix86_split_fp_branch): Declare.
9892 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9893 and ix86_comparison_operator.
9895 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9898 * i386.c (put_condition_code): Output properly the unordered/ordered
9899 compares in fp case.
9900 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9902 * tm.texi (REVERSE_CONDITION): Document.
9903 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9904 in -ffast-math mode.
9905 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9907 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9909 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9911 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9914 * config/sh/sh.c (mova_p): Fix test for mova_const.
9916 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9918 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9919 cpp_get_options rather than dereferencing pfile and using
9921 * scan-decls.c (scan_decls): Use return value of
9922 cpp_pop_buffer rather than CPP_BUFFER.
9924 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9926 * cppinit.c (cpp_handle_option): help_only is now part of the
9927 cpp_options structure.
9928 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9929 cpp_set_callbacks): New functions.
9930 * cpplib.h (cpp_callbacks): Break out as a named structure.
9931 (cpp_options): Move help_only here from cpp_reader.
9932 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9933 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9934 cpp_set_callbacks): New prototypes.
9935 * cppmain.c (main): Update for help_only.
9937 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9939 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9940 Also build and remove and install and uninstall c-tree.info and
9942 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9943 ($(srcdir)/cppinternals.info): New target.
9944 * c-tree.texi: Change file name used when makeinfo used without -o
9945 from ir.info to c-tree.info. Add info directory entry.
9946 * cppinternals.texi: Add info directory entry.
9947 * .cvsignore: Update.
9949 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9951 * c-typeck.c (store_init_value): Don't require constant initializer
9952 elements with -pedantic -std=c99.
9953 (digest_init): Change error about non-constant initializer elements
9955 (constructor_range_end): Remove.
9956 (constructor_incremental, designator_depth,
9957 designator_errorneous): New variables.
9958 (struct constructor_stack): Remove range_end, add incremental.
9959 (struct constructor_range_stack, constructor_range_stack): New.
9960 (struct initializer_stack): Add constructor_range_stack.
9961 (finish_init): Set it.
9962 (start_init): Likewise. require_constant_elements for non-static
9963 trees only if not flag_isoc99.
9964 (really_start_incremental_init): Remove constructor_range_end, add
9965 constructor_incremental.
9966 (pop_init_level): Likewise.
9967 (push_init_level): Likewise. If implicit and the subobject had some
9968 value set already, preinitialize the level with it.
9969 Warn about missing braces only if not pushing due to designators.
9970 (set_designator, push_range_stack): New functions.
9971 (set_init_label): Use them.
9972 (set_init_index): Likewise. Remove constructor_range_end.
9973 Error if designator index is outside of array bounds.
9974 (add_pending_init): Compare values of purpose index trees, not the
9975 trees themselves. Allow overwriting of already initialized element.
9976 Issue a warning if it had side-effects.
9977 (set_nonincremental_init, set_nonincremental_init_from_string): New
9979 (pending_init_member): Rename to...
9980 (find_init_member): ...this function. Call set_nonincremental_init
9981 if necessary. Compare values of purpose index trees, not the trees
9982 themselves. Return the actual value, not just non-zero if something
9984 (output_init_element): Remove checks for duplicates.
9985 If field has zero size, only check the initializer for correctness.
9986 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9987 if constructor_incremental is zero. Change error about initializers
9988 not computable at load time into pedwarn.
9989 (output_pending_init_elements): Compare bit positions, not
9990 FIELD_DECLs to take into account zero-sized fields.
9991 (process_init_element): Use constructor_range_stack to fill all
9992 ranges in the designator lists from current level up.
9993 * extend.texi: Update documentation for labeled elements.
9995 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9997 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9998 to function usage for arguments passed by reference. Optimize
9999 callee-copied arguments.
10000 * regmove.c (replace_in_call_usage): New function.
10001 (fixup_match_1): Call it.
10002 * cse.c (cse_insn): Canonicalize registers in function usage.
10003 * reload1.c (replace_pseudos_in_call_usage): New function.
10006 * Makefile.in: Reverted yesterday's wrong patch. Installed the
10009 2001-01-12 Jakub Jelinek <jakub@redhat.com>
10011 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
10014 2001-01-12 DJ Delorie <dj@redhat.com>
10016 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
10017 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
10020 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10022 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
10023 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
10024 -std options alongside references to -ansi. Update some
10025 documentation for C99.
10026 * cpp.1: Regenerate.
10028 2001-01-12 Andreas Jaeger <aj@suse.de>
10030 * haifa-sched.c (restore_line_notes): Remove argument block B
10032 * sched-ebb.c (schedule_ebb): Change caller.
10033 * sched-rgn.c (schedule_region): Likewise.
10034 * sched-int.h (restore_line_notes): Adjust prototype.
10036 * loop.h: Remove wrong declaration of doloop_condition_get.
10038 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10040 * extend.texi: Move C++-extension-related node from the C section
10041 into the C++ section.
10043 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10045 * extend.texi: Refer to an array of pointers to functions instead
10046 of one of functions.
10048 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10049 Jan Hubicka <jh@suse.cz>
10051 * combine.c (reversed_comparison): Fix typo in last patch.
10053 (combine_reversed_comparison_code): Make static to follow
10054 prototype declaration.
10056 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10058 * install.texi: Remove misplaced duplicate entry.
10060 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10062 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10064 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10066 * final.c: (leaf_function_p): Fix typo.
10068 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10070 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10071 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10073 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10074 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10075 mmap_anon, and valloc is available.
10076 * ggc-page.c: Restructure ifdef logic to match new autoconf
10077 spec. Don't throw away the test page in init_ggc.
10079 * configure, config.in: Regenerate.
10081 2001-01-12 Michael Hayes <mhayes@redhat.com>
10083 * loop.h (total_biv_increment): Constify iv_class pointer.
10084 (struct induction): Replace `mem_mode' with `mem' rtx.
10085 * unroll.c (total_biv_increment): Constify iv_class pointer.
10086 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10087 (find_mem_givs, combine_givs_p): Likewise.
10088 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10090 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10092 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10094 (__gthread_getspecific): Ditto.
10096 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10098 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10099 put_condition_code): Convert fp comparison codes to integer
10101 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10104 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10105 * i386-protos.h (no_comparison_operator): Kill.
10107 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10109 * combine.c (REVERSIBLE_CC_MODE): Remove.
10110 (reversible_comparison_p): Remove.
10111 (combine_reversed_comparison_code): New.
10112 (reversed_comparison): New.
10113 (combine_simplify_rtx): Use
10114 combine_reversed_comparison_code/reversed_comparison instead
10115 of reversible_comparison_p.
10116 (simplify_if_then_else): Likewise.
10117 (simplify_set): Likewise.
10118 (simplify_logical): Likewise.
10119 (if_then_else_cond): Likewise.
10120 (known_cond): Likewise.
10121 (simplify_comparison): Likewise.
10123 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10125 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10126 sizeof (int) is larger than sizeof(__word__).
10128 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10130 * cppinit.c (do_includes): Fix typo.
10132 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10134 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10135 in S_REGS does not occur because not all sources are possible
10136 when a S_REGS is a destination (sometimes needs a clobber).
10137 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10138 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10139 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10140 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10141 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10142 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10143 (lshrdi_const1, lshrsi3_const16): Likewise.
10144 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10145 (*movhi_68hc12, *movqi_68hc12): Likewise.
10146 (movstrictqi): Make sure reloading in D_REGS as a destination
10149 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10151 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10153 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10155 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10156 -D, -U and -A, and don't initialize the builtins.
10157 (do_includes): Error if -include or -imacros with -fpreprocessed.
10158 * cppmain.c (cb_define, cb_undef): Unconditionally process
10160 * tradcpp.c (main): Fix typo.
10162 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10164 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10165 (read_name_map): Use IS_ABSOLUTE_PATH.
10166 * tradcpp.c (get_filename): Likewise.
10168 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10170 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10171 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10172 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10173 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10174 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10175 (cmphi_z_used): Don't use '@' for the output.
10176 (tstqi_z_used): Likewise.
10177 (cmpqi_z_used): Likewise.
10178 (one_cmplsi2): Likewise.
10180 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10182 * config/sh/sh.c (barrier_align): Recognize branch around far
10183 branch and redundant insn.
10185 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10187 * invoke.texi: Restore documentation of the drivers' switches -MD
10190 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10192 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10194 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10195 check-objc//%): Support parallel testing of multilibs.
10196 (TESTSUITEDIR): Set to testsuite by default, but override for
10198 (check-gcc, check-g++, check-g77, check-objc): Enter
10201 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10203 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10204 * sched-deps.c (deps_may_trap_p): Likewise.
10205 * basic-block.h: Remove a comment.
10206 * flow.c (PROP_POSTRELOAD): Remove.
10207 (update_life_info): Don't add it to prop_flags.
10208 (mark_set_1): Lose the code that was enabled by it.
10210 2001-01-11 Michael Hayes <mhayes@redhat.com>
10212 * flow.c (flow_call_edges_add): New.
10213 * basic_block.h (flow_call_edges_add): New.
10215 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10217 * reload1.c (move2add_note_store): Update reg_set_luid even if
10218 base reg remains the same.
10220 2001-01-10 Nick Clifton <nickc@redhat.com>
10222 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10223 machine_function structure to zero.
10224 Add prototypes for machine_status functions.
10226 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10228 * c-common.h (CTI_VOID_LIST): Remove.
10229 (void_list_node): Likewise.
10230 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10231 (void_list_node): New macro.
10232 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10233 * config/i386/i386.c (ix86_init_builtins): Likewise.
10234 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10236 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10238 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10239 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10241 * tradcpp.c: Include mkdeps.h.
10242 (deps, print_deps_phony_targets, deps_append, output_deps,
10243 init_dependency_output, output_deps): New.
10244 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10245 deps_output): Delete.
10246 (print_deps_missing_files): Rename deps_missing_files.
10247 (inhibit_output): Make global.
10248 (main): Delete inhibit_output, deps_stream, deps_target.
10249 Use mkdeps functionality in the same way as cpplib. Remove
10250 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10251 -M and -MM. Remove old handling of deps via deps_out, and
10252 old reading of environment variables.
10253 (get_filename): Update to use deps_add_dep.
10255 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10257 * output.h (make_function_rtl): Remove prototype.
10258 (make_decl_rtl): Likewise.
10259 * varasm.c (make_function_rtl): Remove.
10260 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10261 than from a third parameter.
10262 * tree.h (make_decl_rtl): Remove last parameter.
10263 * c-decl.c (builtin_function): Remove last argument in call to
10264 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10265 (start_function): Likewise.
10266 * except.c (call_get_eh_context): Likewise.
10267 * expr.c (emit_block_move): Likewise.
10268 (clear_storage): Likewise.
10269 * profile.c (output_func_start_profiler): Likewise.
10270 * toplev.c (rest_of_decl_compilation): Likewise.
10271 * objc/objc-act.c (create_builtin_decl): Likewise.
10272 (synth_module_prologue): Likewise.
10273 (generate_static_reference): Likewise.
10274 (build_selector_reference_decl): Likewise.
10275 (build_class_reference_decl): Likewise.
10276 (build_objc_string_decl): Likewise.
10277 (build_protocol_reference): Likewise.
10279 2001-01-10 Richard Henderson <rth@redhat.com>
10281 * hwint.h: Revert yesterday's change.
10283 2001-01-10 Nick Clifton <nickc@redhat.com>
10285 * function.h (save_machine_status): Delete.
10286 (restore_machine_status): Delete.
10287 Amend comment describing {init|mark|free}_machine_status.
10289 * function.c (save_machine_status): Delete.
10290 (restore_machine_status): Delete.
10291 Amend comment describing {init|mark|free}_machine_status.
10292 (push_function_context_to): Remove invocation of
10293 save_machine_status.
10294 (pop_function_context_from): Remove invocation of
10295 restore_machine_status.
10297 * emit-rtl.c (init_emit_once): Amend comment describing
10298 {init|mark|free}_machine_status.
10300 * tm.texi (Per-Function Data): New node. Describe the
10301 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10304 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10306 * cppinit.c (OPT_g): Remove.
10307 (cpp_handle_option): Update for removed -g3.
10308 (print_help): Update.
10309 * cpplib.h (struct cpp_options): Remove debug_output.
10310 * cppmain.c (setup_callbacks, cb_define): Update.
10311 * gcc.c (cpp_options): Translate -g3 to -dD.
10313 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10315 * config/i960/i960.md: Change modifier to + on the zero_extract
10316 pattern after the (rotate -2 reg) canonicalization pattern.
10318 2001-01-10 Richard Henderson <rth@redhat.com>
10320 * config/alpha/alpha.c (alpha_free_machine_status): New.
10321 (override_options): Install it.
10322 (alpha_mark_machine_status): Verify machine non-null.
10323 * config/i386/i386.c (ix86_free_machine_status): New.
10324 (override_options): Install it.
10325 (ix86_init_machine_status): Use xcalloc.
10326 (ix86_mark_machine_status): Verify machine non-null.
10327 * config/ia64/ia64.c (ia64_free_machine_status): New.
10328 (ia64_override_options): Install it.
10329 (ia64_mark_machine_status): Verify machine non-null.
10331 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10333 * function.c (instantiate_virtual_regs): Instantiate virtual
10334 registers found in CALL_INSN_FUNCTION_USAGE.
10336 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10338 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10339 equivalent to -ansi in disabling -Di386.
10341 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10343 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10345 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10347 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10349 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10351 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10353 * invoke.texi: Document that -fcond-mismatch isn't supported for
10356 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10358 * gcc.texi: Define macro gcctabopt.
10359 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10360 @command, @env and @option in some places where appropriate. Use
10361 @gcctabopt where appropriate. Put URLs and email addresses inside
10364 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10366 * gcc.c (cpp_options): Set MD file name from output
10367 filename, if specified.
10368 (suffix_subst): New static variable.
10369 (do_spec): Clear it.
10370 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10372 (give_switch): Handle suffix_subst.
10374 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10376 * invoke.texi: Fix another typo.
10378 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10380 * invoke.texi: Fix typo.
10382 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10384 * c-lang.c (lang_hooks): Update.
10385 (lang_decode_option): Remove.
10386 (lang_init_options): Rename c_init_options.
10387 * toplev.c (main): Use lang_hooks for lang_init_options
10388 and lang_decode_option.
10389 * toplev.h (lang_hooks): Add 2 new hooks.
10390 * tree.h: Remove lang_init_options and lang_decode_option.
10391 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10392 * cp/decl2.c: Similarly.
10393 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10394 (lang_hooks): Update.
10395 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10397 (lang_init_options): Rename ffe_init_options.
10398 (lang_hooks): Update.
10399 (lang_decode_option): Remove.
10400 * java/lang.c (lang_init_options): Rename java_init_options.
10401 (lang_decode_option): Rename java_decode_option.
10402 (lang_hooks): Update.
10403 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10404 (lang_decode_option): Rename objc_decode_option.
10405 (lang_hooks): Update.
10407 2001-01-09 Nick Clifton <nickc@redhat.com>
10409 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10410 (d30v_return_addr_rtx): Delete.
10411 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10412 cfun->machine structure.
10413 (struct machine_function): Move to d30v.h
10414 (d30v_save_machine_status): Delete.
10415 (d30v_restore_machine_status): Delete.
10416 (d30v_init_machine_status): New Function.
10417 (d30v_mark_machine_status): New Function.
10418 (d30v_free_machine_status): New Function.
10419 (d30v_init_expanders): Use new functions.
10420 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10421 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10422 d30v_return_addr_rtx.
10424 * config/d30v/d30v.h (struct_machine): Move here.
10425 Add eh_epilogue_sp_ofs field.
10427 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10428 field in cfun->machine structure.
10430 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10432 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10433 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10434 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10436 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10438 * objc/lang-options.h: Remove bogus reference to
10441 2001-01-09 Kazu Hirata <kazu@hxi.com>
10443 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10446 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10448 * reload.c (find_reloads_address): Check for eliminable registers
10449 when substituting a constant expression for a pseudo.
10451 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10453 * c-common.c (enum format_type): Add format_type_error.
10454 (decode_format_type): New function.
10455 (decl_attributes): Use it.
10456 (format_kind_info): Adjust comment.
10458 2001-01-09 David O'Brien <obrien@BSDi.com>
10460 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10461 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10463 * config/i386/gnu.h: Don't include required platform specific .h files,
10464 tm.h will do it instead.
10465 * config/i386/i386elf.h: Likewise.
10466 * config/i386/linux.h: Likewise.
10467 * config/i386/moss.h: Likewise.
10468 * config/mips/gnu.h: Likewise.
10470 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10472 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10473 (rs6000-ibm-aix3.[01]*): Likewise.
10474 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10475 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10476 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10477 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10478 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10479 (powerpc-*-eabiaix*): Likewise.
10480 (powerpc-*-eabisim*): Likewise.
10481 (powerpc-*-elf*): Likewise.
10482 (powerpc-*-eabi*): Likewise.
10483 (powerpc-*-rtems*): Likewise.
10484 (powerpc-*-linux*libc1): Likewise.
10485 (powerpc-*-linux*): Likewise.
10486 (powerpc-wrs-vxworks*): Likewise.
10487 (powerpcle-wrs-vxworks*): Likewise.
10488 (powerpcle-*-sysv*): Likewise.
10489 (powerpcle-*-elf*): Likewise.
10490 (powerpcle-*-eabisim*): Likewise.
10491 (powerpcle-*-eabi*): Likewise.
10492 (powerpcle-*-solaris2*): Likewise.
10493 * config/rs6000/aix31.h: Delete includes.
10494 * config/rs6000/aix3newas.h: Likewise.
10495 * config/rs6000/aix41.h: Likewise.
10496 * config/rs6000/aix43.h: Likewise.
10497 * config/rs6000/beos.h: Likewise.
10498 * config/rs6000/rtems.h: Likewise.
10499 * config/rs6000/sysv4.h: Likewise.
10501 2001-01-09 Kazu Hirata <kazu@hxi.com>
10503 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10504 Change an argument mode of machine_mode to shift_mode of
10505 shift_mode. Remove an extra error check.
10506 (emit_a_shift): Adopt to the new calling prototype of
10508 (function_prologue): Fix code for a monitor
10509 function. Support H8/S.
10510 (function_epilogue): Do not output pop for a monitor function.
10512 2001-01-09 Nick Clifton <nickc@redhat.com>
10514 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10515 (setup_incoming_varargs): Use sysv_varargs_p field of the
10516 cfun->machine structure.
10517 (struct machine_function): Move to rs6000.h
10518 (rs6000_save_machine_status): Delete.
10519 (rs6000_restore_machine_status): Delete.
10520 (rs6000_init_machine_status): New Function.
10521 (rs6000_free_machine_status): New Function.
10522 (rs6000_init_expanders): Use new functions.
10524 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10526 (struct machine_function): Move here.
10528 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10529 sysv_varargs_p field of the cfun->machine structure.
10531 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10533 (rs6000_restore_machine_status): Remove prototype.
10535 2001-01-09 Richard Henderson <rth@redhat.com>
10537 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10538 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10539 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10540 (sched_analyze_2, sched_analyze_insn): Likewise.
10541 (sched_analyze, init_deps): Likewise.
10542 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10543 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10544 (compute_block_backward_dependences): Update propagate_deps call.
10546 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10548 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10550 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10552 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10553 (cpp_handle_option): Handle them.
10554 (cpp_post_options): Ensure one of -M or -MM is specified with
10555 any other -M? option.
10556 (init_dependency_output): Suppress output with -MG.
10558 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10560 * cpp.texi: Update.
10561 * invoke.texi: Update.
10563 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10565 * sh.md (reload_outsf): Generate recognizable patterns for
10568 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10570 * c-lang.c (lang_hooks): Update.
10571 (lang_init): Rename c_init.
10572 (lang_finish): Remove.
10573 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10574 and lang_finish ().
10575 * toplev.h (lang_hooks): Add init () and finish ().
10576 * tree.h (lang_init, lang_finish): Remove.
10577 * cp/tree.h (lang_init, lang_finish): Remove.
10578 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10579 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10581 (lang_init, lang_finish): Remove.
10582 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10583 (lang_hooks): Update.
10584 * java/lang.c (lang_init): Rename java_init.
10585 (lang_finish): Remove.
10586 (lang_hooks): Update.
10587 * objc/objc-act.c (lang_init): Rename objc_init.
10588 (lang_finish): Remove.
10589 (lang_hoooks): Update.
10591 20001-01-09 Graham Stott <grahams@redhat.com>
10593 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10594 after `ptr` is initialised.
10596 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10598 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10599 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10600 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10601 stack adjusts, instead of r3.
10603 2001-01-09 Michael Hayes <mhayes@redhat.com>
10605 * flow.c (flow_loop_scan): Break out of ...
10606 (flow_loops_find) ... here.
10607 * basic-block.h (flow_loop_scan): New.
10608 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10609 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10611 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10613 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10615 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10616 realloc()ing macro_buffer.
10618 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10619 if it's wider than long and the target's long is wider than the
10622 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10624 Remove support for using UWIN as a host machine.
10625 * configure.in: Issue an error message.
10626 * configure: Regenerated.
10627 * config.gcc: Remove xm_* UWIN configury.
10628 * config/i386/xm-uwin.h: Remove.
10630 2001-01-08 Nick Clifton <nickc@redhat.com>
10632 * config/v850/v850.c (ra_rtx): Delete.
10633 (v850_save_machine_status): Delete.
10634 (v850_restore_machine_status): Delete.
10635 (v850_init_machine_status): New function.
10636 (v850_mark_machine_status): New function.
10637 (v850_free_machine_status): New function.
10638 (v850_return_addr): Use ra_rtx field in machine structure.
10639 (v850_init_expanders): Use new functions.
10641 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10642 * config/v850/v850.c: Change arguments to v850_output+* functions
10643 to take a const char *, to avoid compile time warning.
10644 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10645 (USER_LABEL_PREFIX): Redefine.
10647 2000-01-08 Jim Wilson <wilson@redhat.com>
10649 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10650 1 to unsigned HOST_WIDE_INT before left shift.
10652 2001-01-08 Nick Clifton <nickc@redhat.com>
10654 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10655 the machine structure has been allocated.
10656 (arm_free_machine_status): New function: Free the machine
10657 specific function structure.
10659 2001-01-08 Richard Henderson <rth@redhat.com>
10661 * jump.c (simplejump_p): Revert last change.
10663 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10665 * cppinit.c (init): Rename init_library.
10666 (cpp_create_reader): Update.
10667 * gcc.c (cpp_options): If -o given, use it as the target of
10670 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10672 * arm.c (arm_arch5e): New variable.
10673 (all_cores): XScale is a 5TE device.
10674 (arm_override_options): Set arm_arch5e.
10675 (arm_init_builtins): __builtin_prefetch is in arch5e.
10676 * arm.h (arm_arch5e): Declare it.
10678 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10680 * arm.md (define_constants): Add defines for UNSPEC and
10681 UNSPEC_VOLATILE insns. Update all users.
10682 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10683 * arm.c (multi_register_push, note_invalid_constants)
10684 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10685 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10686 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10688 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10690 * jump.c (jump_optimize_1): Use reversed_comparison_code
10691 instead of can_reverse_comparison_p.
10692 (jump_back_p): Likewise.
10693 (invert_exp_1): Likewise.
10694 (thread_jumps): Likewise.
10695 * simplify-rtx.c (simplify_unary_operation): Likewise.
10696 (simplify_ternary_operation): Likewise.
10697 * cse.c (find_comparison_args): Convert to use
10698 can_reverse_comparison_p.
10699 (record_jump_equiv): Likewise.
10701 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10703 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10704 (EPILOGUE_USES): Define.
10705 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10706 automatically stack the LR if it isn't live.
10708 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10710 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10713 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10715 * ggc-page.c (max_alignment): New structure.
10716 (MAX_ALIGNMENT): New macro.
10717 (init_ggc): Use it to round up the sizes in the
10718 extra_order_size_table.
10720 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10722 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10725 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10727 * builtins.def (BUILT_IN_FPRINTF): New entry.
10729 * c-common.c (c_expand_builtin_fprintf): New function.
10730 (init_function_format_info): Handle __builtin_fprintf.
10731 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10732 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10734 * c-decl.c (duplicate_decls): Adjust comment.
10736 * extend.texi (fprintf): Document new builtin.
10738 2001-01-07 Richard Henderson <rth@redhat.com>
10740 * jump.c (simplejump_p): Recognize any single_set jump
10741 of the proper form.
10743 2001-01-07 Richard Henderson <rth@redhat.com>
10745 * configure.in (slibdir): Accept an --with-slibdir option.
10746 Use "test" not "[" in configure. Default to $(libdir).
10748 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10750 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10751 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10752 (SHLIB_LINK): Create links for the soname.
10753 * config/mips/t-iris6: Likewise.
10754 * config/sparc/t-slibgcc: Likewise.
10755 * config/sparc/t-slibgcc-sld: Likewise.
10757 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10759 * config/i386/i386.c (constant_call_address_operand): Accept
10760 (const (plus (symbol_ref) (const_int))).
10761 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10762 constant_call_address_operand.
10764 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10766 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10767 and LONG_LONG_TYPE_SIZE > 32.
10769 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10771 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10772 the previous change.
10774 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10776 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10778 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10779 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10780 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10783 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10785 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10787 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10789 * c-lang.c (c_post_options): Call cpp_post_options.
10790 * objc/objc-act.c (objc_post_options): Similarly.
10791 * cppmain.c (main): Similarly.
10792 * fix-header.c (read_scan_file): Similarly.
10793 * cppinit.c (cpp_start_read): Move option consistency checks
10794 to cpp_post_options. Don't call init_dependency_output.
10795 If needed, add default target and main file dependency.
10796 (OPT_MD, OPT_MMD): Remove.
10798 (cpp_handle_option): Update for OPT_* changes.
10799 (cpp_post_options): New.
10800 (init_dependency_output): Command line -MF overrides environment
10801 variables. Don't set default target etc. Suppress output
10802 if dependencies are going to stdout.
10803 (print_help): Update.
10804 * cpplib.h (cpp_post_options): New.
10805 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10807 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10809 * jump.c (comparison_dominates_p): Support unordered compares.
10811 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10813 * simplify-rtx.c (simplify_relational_operation): Always simplify
10814 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10817 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10819 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10820 (nonzero_bits): Likewise.
10821 (simplify_comparison): Likewise.
10822 (num_sign_bit_copies): Likewise; return more sane value depending
10823 on STORE_FLAG_VALUE.
10824 (known_cond): Do not assume EQ to be always true for equivalent
10827 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10829 * cse.c (fold_rtx): Handle unordered comparisons.
10831 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10833 * rtlanal.c (set_of_1): New static function.
10834 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10835 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10836 reg_set_last_last_regno): Remove.
10837 (set_of): New global function.
10838 (set_of_data): New structure.
10839 (reg_set_p, reg_set_last): Revamp for set_of.
10840 * rtl.h (set_of): New.
10842 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10844 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10845 * extend.texi: Document _Exit builtin.
10847 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10849 * (initialize, initialize_builtins,
10850 initialize_dependency_output, initialize_standard_includes):
10851 Rename s/initialize/init. Update.
10852 (init_dependency_output): Move to after
10853 cpp_handle_options, the correct location temporally at least.
10854 (opt_comp): Move next to init (), its caller. Fix prototype.
10855 (init): Make "initialized" local scope.
10856 (cpp_create_reader): Always call init ().
10857 (cpp_start_read): Update.
10858 (output_deps): New function, broken out of cpp_finish.
10859 (cpp_finish): Break out output_deps.
10861 2001-01-07 Richard Henderson <rth@redhat.com>
10863 * collect2.c (COFF specific stuff): Revert 12-06 patch
10864 to prototype system functions.
10866 2001-01-07 Michael Hayes <mhayes@redhat.com>
10868 * hard-reg-set.h: Add multiple include guard.
10869 * basic-block.h (struct loop): Add `sink' field.
10870 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10871 (emit_iv_add_mult): Delete.
10872 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10873 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10874 (unroll_loop): Remove end_insert_before argument.
10875 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10876 (maybe_eliminate_biv_1): Likewise.
10877 (emit_iv_add_mult): Delete.
10878 (gen_add_mult, loop_regs_update): New.
10879 (loop_insn_emit_after, loop_insn_emit_before): New.
10880 (loop_insn_sink, loop_insn_sink_or_swim): New.
10881 (emit_iv_add_mult): Delete.
10882 (scan_loop): Set loop->sink.
10883 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10884 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10885 (maybe_eliminate_biv_1): Likewise.
10886 (maybe_eliminate_biv_1): Add basic block argument.
10887 * unroll.c (unroll_loop): Remove end_insert_before argument.
10888 (find_splittable_regs): Likewise.
10889 (find_splittable_regs): Use loop_insn_sink and its ilk.
10890 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10892 2001-01-07 Michael Hayes <mhayes@redhat.com>
10894 * loop.h (loop_insn_hoist): New prototype.
10895 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10896 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10897 (check_dbra_loop, load_mems): Likewise.
10898 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10899 (find_splittable_givs): Likewise.
10901 2001-01-07 Michael Hayes <mhayes@redhat.com>
10903 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10905 2001-01-07 Richard Henderson <rth@redhat.com>
10907 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10909 2001-01-07 Richard Henderson <rth@redhat.com>
10911 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10912 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10913 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10914 variant that handles a shared libgcc.
10915 (process_command): Always validate -{static,shared}-libgcc.
10916 (do_spec_1): New 'M' case.
10917 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10919 2001-01-07 Richard Henderson <rth@redhat.com>
10921 * Makefile.in (slibdir): New variable.
10922 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10923 (installdirs): Create slibdir.
10924 (install-libgcc, install-multilib): Defer to libgcc.mk.
10925 * configure.in (slibdir): Substitute.
10926 * mklibgcc.in (install): New target.
10928 * config/t-linux (SHLIB_LINK): Create links for the soname.
10929 (SHLIB_INSTALL): New.
10930 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10931 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10932 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10933 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10934 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10936 2001-01-07 Richard Henderson <rth@redhat.com>
10938 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10939 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10940 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10942 2001-01-07 Michael Hayes <mhayes@redhat.com>
10944 * loop.c (count_loop_regs_set): Delete.
10945 (load_mems_and_recount_loop_regs_set): Delete.
10946 (loop_regs_scan): Merge common code from count_loop_regs_set,
10947 scan_loop, and load_mems_and_recount_loop_regs_set.
10948 (scan_loop): Call load_mems directly and loop_regs_scan
10949 again if new registers created.
10951 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10953 * toplev.c (main): Call the front-end specific post_options
10954 hook if one is given.
10955 * toplev.h (struct_lang_hooks, lang_hooks): New.
10956 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10957 for the C front end.
10958 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10959 lang_hooks for the C++ front end.
10960 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10961 lang_hooks for the ObjC front end.
10962 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10963 * java/lang.c (lang_hooks): Hooks for the Java front end.
10965 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10967 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10968 for verbose DWARF[2] debugging.
10969 (cb_define, cb_undef): The new callbacks.
10970 * toplev.h (debug_define, debug_undef): Make const correct.
10971 * toplev.c (debug_define, debug_undef): Similarly. Do not
10972 perform the verbosity tests here anymore.
10974 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10976 * reload.c (subst_reloads): Take INSN argument. When
10977 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10978 * reload.h (subst_reloads): Adjust prototype.
10979 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10980 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10981 present in JUMP_INSNs and copy them to JUMP_LABEL.
10982 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10983 JUMP_INSNs and insns with REG_LABELs that are followed by
10984 JUMP_INSNs with the same REG_LABEL.
10985 * sched-rgn.c (is_cfg_nonregular): Likewise.
10986 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10988 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10990 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10992 2001-01-06 Richard Henderson <rth@redhat.com>
10994 * loop.c (scan_loop): Use xcalloc for the regs array.
10995 (load_mems_and_recount_loop_regs_set): Zero the new memory
10996 received from xrealloc.
10998 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
11000 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
11002 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
11004 * integrate.c (copy_rtx_and_substitute): When copying
11005 an ignored return value, strip REG_FUNCTION_VALUE_P.
11007 2001-01-06 Michael Hayes <mhayes@redhat.com>
11009 * loop.c (debug_biv, debug_giv): New.
11010 (loop_biv_dump): Break out from ...
11011 (record_biv): ... here.
11012 (loop_giv_dump): Break out from ...
11013 (record_giv): ... here.
11014 (loop_bivs_check): Use print_simple_rtl.
11015 * unroll.c (loop_iterations): Use print_simple_rtl.
11017 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
11019 * pa.md (return, return_internal): Modify patterns to prevent regrename
11020 mucking with the return pointer.
11022 2001-01-05 Richard Henderson <rth@redhat.com>
11024 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
11026 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
11028 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
11029 version supplied by Matteo Frigo.
11031 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11033 * cpp.texi: Update for -MQ.
11034 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11035 (cpp_cleanup): Always free pfile->deps.
11036 (initialize_dependency_output): Don't create pfile->deps.
11037 (cpp_handle_option): Similarly.
11039 * gcc.c (cpp_options): Handle -MQ.
11040 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11041 * mkdeps.c (base_name): Remove.
11042 (deps_init): Don't allocate vector space until it's needed.
11043 (deps_free): Only free vectors if allocated.
11044 (deps_add_target, deps_add_dep): Update for initial allocation.
11045 (deps_add_default_target): Don't strip to the base_name.
11047 2001-01-05 DJ Delorie <dj@redhat.com>
11049 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11050 (INIT_EXPANDERS): Define.
11052 * config/v850/v850.c (struct machine_function): Define.
11053 (v850_save_machine_status): New function.
11054 (v850_restore_machine_status): New function.
11055 (v850_return_addr): New function.
11056 (v850_init_expanders): New function.
11058 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11059 and v850_init_expanders.
11061 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11063 * cpplib.h (struct cpp_reader): Add help_only field.
11064 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11065 (cpp_handle_option): Set pfile->help_only if we see -h,
11066 --help, -target-help, or --version. Print version string but
11067 do not set help_only if we see -v or -version. Make text
11068 printed by -v match that printed by (-)-version.
11070 * cppmain.c (main): Exit after option parsing if
11071 pfile->help_only is true.
11073 * toplev.c (independent_decode_option): Call print_version,
11074 then exit, if we see --version (but not -version).
11075 (print_version): Split lengthy message into two lines.
11077 2001-01-05 Nick Clifton <nickc@redhat.com>
11079 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11080 temporary string for initialisation before calling ggc_alloc_string.
11082 2001-01-06 Michael Hayes <mhayes@redhat.com>
11084 * rtl.h (print_simple_rtl): New.
11085 * print-rtl.c (print_simple_rtl): New.
11086 (flag_simple): New.
11087 (print_rtx): Disable printing of flags and modes, etc.,
11088 if `flag_simple` nonzero.
11090 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11092 * function.c (fixup_var_refs): Use push_to_full_sequence where
11095 2001-01-05 Michael Meissner <meissner@redhat.com>
11097 * flags.h (flag_reorder_blocks): Add declaration.
11098 (flag_rename_block): Ditto.
11100 2001-01-05 DJ Delorie <dj@redhat.com>
11102 * function.c (reorder_blocks): Make sure the flags are all reset
11103 before using them to mark blocks, else a second invocation will
11104 corrupt the block chain.
11105 (reorder_blocks_0): New, resets the flags.
11107 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11109 * cse.c (find_comparison_args): Stop if the argument is known to
11112 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11114 * config/sh/sh.md (movdf): When splitting load into pair of
11115 registers, don't clobber the register used in the address too
11118 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11120 * varasm.c (mark_constant_pool): Improve initial comments.
11121 (mark_constants): Move marking of constants to mark_constant.
11122 (mark_constant): New function to recursively mark all constants
11123 referred to by a constant.
11125 2001-01-05 Catherine Moore <clm@redhat.com>
11127 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11129 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11131 * cp/lang-options.h: Bring comment in line with reality.
11132 * f/lang-options.h: Likewise.
11133 * java/lang-options.h: Likewise.
11134 * objc/lang-options.h: Likewise.
11135 * ch/lang-options.h: Likewise.
11136 * f/g77.texi: And update the manual.
11138 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11139 Denis Chertykov <denisc@overta.ru>
11141 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11142 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11143 * config/avr/avr.md (all peepholes that request a scratch register):
11144 Call it, FAIL the peephole if not safe (in interrupt functions).
11146 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11148 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11150 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11152 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11154 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11155 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11156 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11157 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11158 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11160 * extend.texi: Document these builtins.
11162 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11164 * c-common.c (lang_get_alias_set): Say we know nothing of
11165 VECTOR_TYPE aliasing.
11167 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11169 2001-01-05 Bruce Korb <bkorb@gnu.org>
11171 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11172 their x* equivalent versions for atexit-less systems
11173 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11174 systems (or any other system any more).
11176 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11178 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11179 output operands. Use arm_hard_register_operand for operand 4.
11180 (stmsi_postinc): Similarly.
11181 (ldmsi): Use arm_hard_register_operand for opernand 2.
11182 (stmsi): Similarly.
11183 * arm.c (arm_hard_register_operand): New function.
11184 * arm-protos.h (arm_hard_register_operand): Prototype it.
11186 * arm.h (HARD_REGNO_RENAME_OK): Define.
11188 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11190 * simplify-rtx.c (cfc_args): add "unordered" field.
11191 (check_fold_consts): Set unordered field.
11192 (simplify_relational_operation): Simplify the unordered
11195 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11198 * emit-rtl.c (try_split): Fix code to mark labels.
11199 * jump.c (mark_jump_label): Make global.
11200 * rtl.h (mark_jump_label): Declare.
11202 * predict.c (estimate_probability): Handle unordred comparisons.
11204 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11206 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11207 * cppinit.c (initialize_dependency_output): Update.
11208 (cpp_finish): Output dummy targets for -MP.
11210 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11211 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11212 * gcc.c (cpp_options): Update to handle -MP.
11213 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11214 to quote only the default target.
11215 (deps_phony_targets): Insert a preceding newline. Rename from
11216 deps_dummy_targets for consistency.
11219 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11221 * calls.c (emit_library_call_value_1): Support
11222 INIT_CUMULATIVE_LIBCALL_ARGS.
11223 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11225 2001-01-04 Richard Henderson <rth@redhat.com>
11227 * c-decl.c (finish_struct): Detect flexible array members
11228 used in an inappropriate context.
11229 * c-typeck.c (really_start_incremental_init): Special case
11230 constructor_max_index for zero length arrays.
11231 (pop_init_level): Allow initialization of flexible array
11232 members. Deprecate initialization of zero length arrays.
11233 Don't issue missing initializer warning for flexible array
11234 members or zero length arrays.
11235 (process_init_element): Don't dereference null DECL_SIZE.
11236 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11237 Don't abort for empty constructors. Use size_binop
11238 (output_constructor): Add commentary regarding zero length
11239 array futures. Abort if we try to initialize an array of
11240 unspecified length with a non-empty constructor in the middle
11243 * extend.texi (Zero Length): Update and clarify documentation
11244 on static initialization.
11246 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11248 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11249 with more than 32767 words of local storage.
11251 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11253 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11254 for 'abs', 'labs', and 'fabs'.
11255 (c4x_expand_builtin): Likewise.
11256 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11258 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11260 * config/sh/sh.md (prget, prset): New insn types.
11261 (return delay slot): Dont' allow prset.
11262 (call, sfunc delay slot): Don't allow prget.
11263 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11264 for prset and prget.
11266 2001-01-05 Michael Hayes <mhayes@redhat.com>
11268 * loop.h (struct loop_reg): New.
11269 (struct loop_regs): Change to use array of `struct loop_reg'.
11270 * loop.c: Replace assortment of varrays with single regs array.
11271 (count_one_set): Delete may_not_move array argument
11272 and use regs array instead. All caller's changed.
11273 (count_loop_regs_set): Delete may_not_move and single_usage
11274 arguments and use regs array instead. All caller's changed.
11275 (find_single_use_in_loop): Replace usage array argument with pointer
11276 to regs structure. All caller's changed.
11277 (loop_optimize): Delete `moved_once' array.
11279 2001-01-05 Michael Hayes <mhayes@redhat.com>
11281 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11282 Use it instead of loop_info->has_call for scanning loop mems.
11283 (check_dbra_loop): Replace loop_info->has_call test with
11284 loop_info->has_nonconst_call.
11286 2000-01-04 Matthew Hiller <hiller@redhat.com>
11288 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11291 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11293 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11294 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11296 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11298 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11299 (flag_short_double, flag_short_wchar): Define.
11300 (c_common_nodes_and_builtins): Create many tree nodes shared
11301 between C and C++ here instead of in cp/decl.c and ...
11302 * c-decl.c (init_decl_processing): ... here.
11303 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11304 (flag_short_double, flag_short_wchar): Don't define.
11305 (record_builtin_type): New function.
11306 (build_void_list_node): New function.
11307 * c-common.h (flag_short_double, flag_short_wchar,
11308 record_builtin_type, build_void_list_node): Declare.
11310 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11312 * integrate.c (expand_inline_function): Don't put a virtual
11313 register into the reg map.
11315 * function.c (fixup_var_refs_1): If force_operand didn't put
11316 the address into the target, move it there.
11318 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11320 Special-case tree_decl/tree_list allocations.
11321 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11322 (OBJECT_SIZE): New macro.
11323 (NUM_EXTRA_ORDER): Likewise.
11324 (extra_order_size_table): New variable.
11325 (NUM_ORDERS): New macro.
11326 (objects_per_page_table): New variable.
11327 (object_size_table): New variable.
11328 (G.pages): Use NUM_ORDERS to bound the array.
11329 (G.page_tails): Likewise.
11330 (DIV_ROUND_UP): Remove.
11331 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11332 (alloc_page): Use OBJECT_SIZE.
11333 (size_lookup): Don't make it const.
11334 (ggc_alloc): Use OBJECT_SIZE.
11335 (ggc_set_mark): Likewise.
11336 (ggc_get_size): Likewise.
11337 (init_ggc): Set up the object_size_table, objects_per_page_table,
11338 and adjust size_lookup.
11339 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11340 (ggc_pop_context): Use NUM_ORDERS.
11341 (clear_marks): Likewise.
11342 (sweep_pages): Likewise.
11343 (poison_pages): Likewise.
11344 (ggc_print_statistics): Use OBJECT_SIZE.
11346 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11348 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11349 Only call array_size_for_constructor if last field and array type
11350 with no upper bound.
11352 2001-01-04 Philip Blundell <philb@gnu.org>
11354 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11355 from bit 31 downwards, if this requires no more insns.
11356 (count_insns_for_constant): New helper function for above.
11358 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11360 * gencodes.c (output_predicate_decls): Remove empty initializer.
11362 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11364 * tree.c (copy_node): Remove documentation about obstacks.
11365 (buidl1): Check that nobody tries to build 2-argument nodes this
11368 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11370 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11373 * gencodes.c (output_predicate_decls): Fill empty initializer
11376 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11378 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11379 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11381 (do_include): Handle missing headers like cpp0.
11382 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11383 paths with first include pathname. Don't strcat to uninitialized
11386 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11388 * regrename.c (regrename_optimize): Don't rename from frame pointer
11389 if frame_pointer_needed.
11390 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11391 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11392 (ia64_reorg): Use it instead of scheduling if ! optimize.
11393 (errata_emit_nops): Properly call asm_noperands.
11394 (ia64_sched_reorder): Finish cycle if we see an asm.
11395 (ia64_variable_issue): Clear scheduling state after asms.
11397 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11399 * cpp.texi: Update for -MT.
11400 * cppinit.c (initialize_dependency_output): Add a default
11401 target if none has been given already.
11402 (no_tgt, OPT_MT): New.
11403 (cpp_handle_option): Handle -MT. Update -M etc.
11404 * cpplib.h (struct cpp_options): Remove deps_target.
11405 * gcc.c (cpp_options): Handle -MT.
11406 * mkdeps.c (struct deps): Move from mkdeps.h.
11407 (deps_calc_target): Rename deps_add_default_target. Add a
11408 default target if none has been specified already.
11409 * mkdeps.h (struct deps): Move to mkdeps.c.
11410 (deps_calc_target): Rename deps_add_default_target.
11412 2000-01-03 Richard Henderson <rth@redhat.com>
11414 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11416 * c-typeck.c (push_init_level): Move checks for flexible array
11417 members and zero length arrays ...
11418 (pop_init_level): ... here. Silently discard empty initializations.
11420 * varasm.c (output_constructor): Update for sizeof change to
11421 zero-length arrays.
11423 * extend.texi (Zero Length): Clarify semantics.
11425 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11427 * configure.in (tm.h): Include isns-codes.h last.
11428 * configure: Rebuilt.
11430 2001-01-03 Richard Henderson <rth@redhat.com>
11432 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11433 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11435 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11437 * tradcpp.c (main): Make sure finclude() is called with a valid
11438 indepth value while handling -include.
11440 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11442 * gencodes.c (output_predicate_decls): New function.
11444 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11445 even if it is not the first time machmode.h is #included.
11446 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11447 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11448 * gcc.texi (Copyright): Added 2001.
11450 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11452 * c-common.c (c_common_lang_init): New function. Warn if format
11453 warning options which only have effects when used with -Wformat
11454 are used without -Wformat.
11455 * c-common.h (c_common_lang_init): Declare.
11456 * c-lang.c (lang_init): Call c_common_lang_init.
11457 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11459 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11461 * configure.in: Check for the mktemp command.
11462 * configure: Regenerate.
11463 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11464 $TEMP. Create temporary files with mktemp, if available at
11465 configure time; otherwise use set -C. Remove temporary files
11468 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11470 * configure.in: Require at least texinfo 4.0. Check for whether
11471 Pod::Man is sufficiently recent to regenerate GCC manpages.
11472 * configure: Regenerate.
11473 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11475 (GENERATED_MANPAGES): Define.
11476 (generated-manpages): New target. Depend on cpp.1 as well as
11478 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11479 configure to generated-manpages or empty) rather than on the
11480 manpages directly. Remove execute permission from installed
11481 gcov.1 as well as cpp.1.
11482 * cpp.1, gcov.1: Regenerate.
11484 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11486 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11487 tree_low_cst. Allow using cmpstrsi in more cases.
11489 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11491 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11494 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11496 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11497 * Makefile.in (HOST_CFLAGS): Mention build-make.
11499 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11501 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11504 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11506 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11509 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11512 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11513 reg_base_value and reg_known_value arrays.
11514 (init_alias_analysis): Add more cases to detect known values.
11515 * sched-deps.c (deps_may_trap_p): New function.
11516 (sched_analyze_2): Use it.
11518 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11520 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11521 don't discard an ASHIFTRT if we're shifting in a wider mode.
11523 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11525 * toplev.c (rest_of_compilation): Don't print basic block information
11526 when CFG isn't up to date.
11528 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11530 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11531 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11532 (UNALIGNED_SHORT_ASM_OP): Define.
11533 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11535 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11537 * fold-const.c (fold_convert): Fix typo.
11539 2001-01-02 Richard Henderson <rth@redhat.com>
11541 * c-common.h (ASM_INPUT_P): New.
11542 * c-parse.in (asm): Set it when needed.
11543 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11544 existance of an operand.
11546 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11548 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11549 (dwarf2out_frame_debug_expr): Likewise.
11550 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11552 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11554 * i386.c (ix86_split_to_parts): Return number of part required;
11556 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11558 (ix86_split_long_move): Use number of part returned
11559 by ix86_split_to_parts
11560 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11562 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11563 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11564 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11565 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11566 (ALIGN_MODE_128): Add TFmode.
11567 (IS_STACK_MODE): Likewise.
11568 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11569 (HARD_REGNO_OK): Support TFmodes.
11570 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11571 * i386.md (scheduler definitions): Use memory operand to determine
11572 fst/fld instructions; use mode attribute to determine real mode of
11574 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11575 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11577 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11579 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11581 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11583 * expr.c (store_constructor_field): Update ALIGN before calling
11586 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11588 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11591 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11593 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11596 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11598 * c-decl.c (start_function): Don't warn on third parameter to main.
11600 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11602 * tsystem.h: Define HAVE_DECL_GETOPT.
11604 2001-01-02 Philip Blundell <pb@futuretv.com>
11606 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11609 2001-01-02 Richard Henderson <rth@redhat.com>
11611 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11613 2001-01-02 Andreas Jaeger <aj@suse.de>
11615 * c-decl.c (c_decode_option): Remove support of
11616 -Wmissing-noreturn.
11618 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11619 (W_options): Add -Wmissing-noreturn here.
11621 * flow.c: Define lang_missing_noreturn_ok_p.
11622 (check_function_return_warnings): Use it.
11624 * c-common.h: Declare lang_missing_noreturn_ok_p.
11626 * c-lang.c (c_missing_noreturn_ok_p): New function.
11627 (lang_init): Set lang_missing_noreturn_ok_p.
11629 * invoke.texi (Warning Options): Document this.
11631 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11633 * extend.texi (C++ Extensions): New node for C++ attributes;
11634 describe init_priority and com_interface.
11635 * invoke.texi: Remove -finit-priority as it now has zero effect.
11636 * install.texi: Fix xref syntax.
11637 * md.texi: Likewise.
11639 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11641 * config.gcc (sparc64-wrs-vxworks*): New case.
11642 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11644 * config/sparc/sparc.c (sparc_override_options): Do support different
11645 pointer and architecture size.
11646 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11647 (POINTERS_EXTEND_UNSIGNED): Define.
11648 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11649 (FUNCTION_MODE): Define to be Pmode.
11650 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11652 * function.c (expand_function_end): Properly handle DECL_RESULT
11653 and copy when ptr_mode != Pmode.
11654 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11656 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11658 * c-common.c (c_common_nodes_and_builtins): Set prototype
11659 parameters for __builtin_fputs, __builtin_fputc and
11660 __builtin_fwrite. Don't declare plain fputc as a builtin.
11662 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11664 * loop.c (add_label_notes): Increment the label usage count when
11665 a note is added to an insn which refers to a CODE_LABEL.
11666 * gcse.c (add_label_notes): Likewise.
11668 2001-01-01 Andreas Jaeger <aj@suse.de>
11670 * loop.c (scan_loop): Use xmalloc to allocate movables.
11672 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11674 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11675 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11676 * reload1.c (REGISTER_MOVE_COST): Likewise.
11677 * regclass.c (REGISTER_MOVE_COST): Likewise.
11678 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11679 dimension. Adjust all users.
11680 (init_reg_sets_1): Iterate on all modes.
11681 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11682 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11683 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11684 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11685 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11686 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11687 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11688 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11689 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11690 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11691 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11692 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11693 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11694 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11695 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11696 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11697 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11698 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11699 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11700 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11701 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11702 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11703 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11704 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11705 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11706 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11707 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11709 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11711 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11712 arg VARIES_P. Call it with extra arg.
11713 (true_dependence): Likewise.
11714 * rtl.h (rtx_addr_can_trap_p): Declare.
11715 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11717 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11718 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11719 pic offset table register if it's zero. All callers changed.
11720 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11722 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11724 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11725 STRING_POOL_ADDRESS_P.
11727 * config/sparc/sparc.c (input_operand): Properly test for short op.
11729 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11730 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11731 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11732 * config/sparc/elf.h: No longer include sol2.h.
11733 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11734 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11736 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11738 2001-01-01 Michael Hayes <mhayes@redhat.com>
11740 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11741 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11742 (record_initial): Likewise.
11743 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11744 (remap_split_bivs): Likewise.
11746 2001-01-01 Michael Hayes <mhayes@redhat.com>
11748 * loop.c (loop_ivs_free): New function.
11749 (strength_reduce): Break out from...
11751 2001-01-01 Michael Hayes <mhayes@redhat.com>
11753 * loop.h (struct iv): New.
11754 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11755 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11756 'reg_biv_class' fields with 'regs' and 'n_regs'.
11757 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11758 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11759 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11761 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11763 * resource.c (mark_referenced_resources): Abort() before
11764 attempting to mark a pseudo register.
11765 (mark_set_resources): Likewise.
11767 2001-01-01 Michael Hayes <mhayes@redhat.com>
11769 * loop.h (REG_IV_CLASS): New accessor macro.
11770 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11771 * unroll.c (REG_IV_CLASS): Likewise.
11773 See ChangeLog.4 for earlier changes.