1 2001-05-25 Richard Henderson <rth@redhat.com>
3 * function.c (expand_function_start): Don't abort on PARALLEL
4 returns from hard_function_value.
6 2001-05-25 Richard Henderson <rth@redhat.com>
8 * config/i386/i386.md: Revert previous change. Do not apply
9 the peephole if the components do not die after the sequence.
11 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
13 * c-parse.in (array_declarator): New. Handle C99 constructs.
14 Don't restrict [*] declarators to C only.
15 (after_type_declarator, parm_declarator_starttypename,
16 parm_declarator_nostarttypename, notype_declarator,
17 direct_absdcl1): Use it.
18 * c-decl.c (build_array_declarator, set_array_declarator_type):
19 New functions. Warn that [*] isn't properly implemented; pedwarn
20 for [*] outside C99 mode if pedantic rather than giving a hard
22 (grokdeclarator): Handle static and type qualifiers in parameter
24 * c-tree.h (build_array_declarator, set_array_declarator_type):
26 * extend.texi (Attribute Syntax): Document attributes in parameter
29 2001-05-25 Mark Mitchell <mark@codesourcery.com>
31 * config/i386/i386.md: Make sure cmpstr peepholes do not
32 affect liveness information.
34 2001-05-24 Mark Mitchell <mark@codesourcery.com>
36 * c-typeck.c (digest_init): Issue error messages about
37 invalid constants, not warnings.
39 2001-05-24 Mark Mitchell <mark@codesourcery.com>
41 * invoke.texi (-fno-builtin): Document that this is always on
44 2001-05-24 Philip Blundell <philb@gnu.org>
46 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
49 2001-05-24 Philip Blundell <philb@gnu.org>
51 * config/arm/arm.c (output_return_instruction): Correctly handle
52 interworking and interrupt functions.
54 2001-05-24 Philip Blundell <philb@gnu.org>
56 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
57 -m{no-}sched-prolog. Fix typos and improve formatting.
59 2001-05-24 Philip Blundell <philb@gnu.org>
61 * invoke.texi (ARM Options): Improve wording slightly. Add
62 documentation for more options, including those for Thumb mode.
63 Don't mention options that don't exist or are unimplemented.
64 (Thumb Options): Delete; merged into above section.
66 2001-05-24 Geoff Keating <geoffk@redhat.com>
68 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
69 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
71 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
73 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
74 fix hard register simplification.
76 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
78 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
79 of just copying CPP_CPU_SPEC.
81 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
83 * i386.c (incdec_operand): Accept only 1 and -1.
85 2001-05-23 Kelley Cook <kelley.cook@home.com>
87 * Makefile.in: Move many of the *_H definitions eariler in the
88 file, so that rules in t-* files that use them for
89 dependencies will work in a parallel build.
90 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
92 2001-05-23 Richard Henderson <rth@redhat.com>
94 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
96 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
98 * cpp.texi: Update for handling of charconsts.
99 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
100 diagnostics. Skip to the end if the UCS is too short.
101 (cpp_interpret_charconst): Long charconsts issue a warning
104 2001-05-23 Richard Henderson <rth@redhat.com>
106 * doc/install.texi (alpha-linux): Require binutils 2.11.
108 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
110 * c-lex.c (read_escape, read_ucs): Delete.
111 (lex_string): Use cpp_parse_escape.
112 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
113 if not C++ or not C99. Warn if traditional.
114 (parse_escape): Rename cpp_parse_escape. Make the bitmask
115 unsigned. Warn for out-of-range escape sequences here.
116 Update to use maybe_read_ucs.
117 (cpp_interpret_charconst): Don't warn here.
118 * cpplib.h (cpp_parse_escape): New exported function.
120 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
122 * extend.texi (Attribute Syntax): Clarify application of
123 attributes to parameters declared as functions or arrays.
125 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
127 * dbxout.c (dbxout_type_methods): Do still group methods by name.
129 2001-05-23 Zack Weinberg <zackw@stanford.edu>
131 * diagnostic.c (vnotice): Kill.
132 (fnotice): Call vfprintf directly.
133 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
134 verbatim, set_diagnostic_context): Rename string argument to
135 indicate that it is run through gettext.
136 (vbuild_message_string, build_message_string, output_do_printf):
137 Rename string argument to indicate that it is NOT run through
139 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
140 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
141 Run msgid argument through gettext.
142 (default_print_error_function): Run constant strings through
143 gettext when nothing else will.
144 (fatal_error, internal_error, error_recursion): Use fnotice.
145 Present complete sentences to gettext.
147 2001-05-23 Mark Mitchell <mark@codesourcery.com>
149 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
151 2001-05-23 Richard Henderson <rth@redhat.com>
153 * function.c (expand_function_start): Always use a pseudo
154 for the function result value.
156 2001-05-22 Richard Henderson <rth@redhat.com>
158 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
159 section pointer alignment.
161 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
163 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
164 of __USER_LABEL_PREFIX__.
166 2001-05-22 Richard Henderson <rth@redhat.com>
168 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
169 (__deregister_frame_info_bases): New.
170 * unwind-dw2-fde.h: Declare it.
171 * libgcc-std.ver: Export it.
172 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
173 called __register_frame_info_bases.
175 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
177 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
178 instead of #elif (which is OK for this case but not in general).
180 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
182 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
183 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
184 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
185 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
186 "r2" to the assembly file. Only issue allocs with non-zero parameters.
188 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
189 David O'Brien <obrien@freebsd.org>
191 * config/freebsd.h (LIB_SPEC): Key the exact setting to
192 configure-time options and target version of FreeBSD. Set-up
193 to match architectural change in threading support. Correctly
194 report when -pthread option is not supported by configure-time
196 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
197 and extend to encode target version number in run-time setting
198 of __FreeBSD__ macro to match the system compiler.
199 (CPP_PREDEFINES): Likewise.
200 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
202 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
203 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
205 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
206 David O'Brien <obrien@freebsd.org>
208 * config.gcc (the unlabeled system switch statement): Add
209 generic configuration section to handle *-*-freebsd*. Also,
210 to match the system compiler, default to threading support (it
211 may be disabled with the standard --disable-threads
212 configuration-time switch).
213 (i[34567]86-*-freebsd* in machine-specific section): Use it.
214 (alpha*-*-freebsd* in machine-specific section): Likewise.
216 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
217 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
218 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
219 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
220 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
222 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
223 David O'Brien <obrien@freebsd.org>
225 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
226 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
227 -pthread instead setting macro.
229 2001-05-22 Richard Henderson <rth@redhat.com>
231 * crtstuff.c (__register_frame_info_bases): Declare.
232 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
233 (__do_global_dtors_aux, __do_global_dtors): Streamline.
235 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
236 (CRT_GET_RFIB_DATA): New.
237 * config/i386/sysv4.h: Likewise.
238 * config/i386/sco5.h: Likewise.
239 (ASM_PREFERRED_EH_DATA_FORMAT): New.
241 2001-05-22 Richard Henderson <rth@redhat.com>
243 * rtl.c (read_string): Break out from ...
244 (read_rtx): ... here.
246 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
248 * doc/install.texi (Specific): Remove a bogus and duplicate part
249 copied from the end of the document.
251 2001-05-22 Bernd Schmidt <bernds@redhat.com>
253 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
255 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
257 * install.texi: Remove obsolete information on SunOS as well as
258 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
259 (Installing GNU CC on the Sun): Remove section.
261 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
263 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
264 keep errno unchanged on success.
266 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
268 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
269 once for hexadecimal floats, whether or not they contain a decimal
270 point. Don't let the setting of pedantic otherwise affect the
271 parsing of hexadecimal floats.
273 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
275 * README.ACORN: Remove obsolete file.
277 2001-05-22 Jan Hubicka <jh@suse.cz>
279 * combine.c (gen_binary): Use swap_commutative_operands_p
280 (simplify_comparison): Likewise.
281 * expmed.c (emit_store_flag): Likewise.
282 * expr.c (compare_from_rtx): Likewise.
283 (do_compare_rtx_and_jump): Likewise.
284 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
285 if not emitting a branch and operands want swapping.
287 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
289 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
290 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
291 (maybe_get_identifier): Update.
292 * tree.h (make_identifier): Delete.
294 2001-05-21 Richard Henderson <rth@redhat.com>
296 * combine.c (subst): Do not substitute for a register as
297 a destination subreg/strict_low_part/zero_extract.
299 * combine.c (simplify_comparison): Update op1 after constant
301 * recog.c (const_int_operand): Accept only constants valid
303 * genrecog.c: Update comments wrt const_int_operand.
305 * emit-rtl.c (init_emit_once): Zero unused memory in a
308 2001-05-21 Mark Mitchell <mark@codesourcery.com>
310 * tree.h (type_num_arguments): Declare it.
311 * tree.c (type_num_arguments): New function.
313 2001-05-21 Richard Henderson <rth@redhat.com>
315 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
318 2001-05-21 Geoff Keating <geoffk@redhat.com>
320 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
322 (minsf3): Use rs6000_emit_minmax.
323 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
325 (movsfcc): Use rs6000_emit_cmove.
326 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
327 Don't generate emit_fselsfsf4.
328 (fseldfsf4): Likewise.
329 (maxdf3): Use rs6000_emit_minmax.
331 (mindf3): Use rs6000_emit_minmax.
332 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
334 (movdfcc): Use rs6000_emit_cmove.
335 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
336 Don't generate emit_fselsfsf4.
337 (fselsfdf4): Likewise.
338 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
339 (min_max_operator): New predicate.
340 (rs6000_emit_cmove): New function.
341 (rs6000_emit_minmax): New function.
342 * config/rs6000/rs6000-protos.h: Prototype new functions.
343 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
344 and min_max_operator.
346 * config/rs6000/rs6000.c (output_cbranch): Handle all
347 conditional types in the switch statement.
349 2001-05-21 Mark Mitchell <mark@codesourcery.com>
351 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
352 non-register variables.
353 * extend.texi: Document that asm-specifications do not make sense
354 for non-static local variables.
356 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
358 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
359 (dbxout_type_fields): Lose minimal_debug support.
360 (dbxout_type_methods, dbxout_type): Likewise.
362 2001-05-17 Andrew Haley <aph@redhat.com>
364 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
366 2001-05-21 Richard Henderson <rth@redhat.com>
368 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
371 2001-05-20 Richard Henderson <rth@redhat.com>
373 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
374 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
375 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
376 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
377 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
379 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
380 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
381 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
382 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
383 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
384 DEBUG_PUBNAMES_SECTION): Rename as above.
385 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
387 2001-05-20 Richard Henderson <rth@redhat.com>
389 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
390 operands unless the operation is commutative.
392 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
394 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
397 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
399 * extend.texi: Clarify documentation of extensions included in ISO
400 C99. Prefer C99 terminology and syntax to old GNU terminology and
401 syntax. Add more index entries. Document mixed declarations and
402 code as an extension in C89 mode. Warn about future changes to
403 semantics of inline functions. Fixes PR other/930.
405 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
407 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
408 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
409 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
410 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
412 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
414 2001-05-20 Richard Henderson <rth@redhat.com>
416 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
417 to be output before a branch.
419 2001-05-20 Richard Henderson <rth@redhat.com>
421 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
423 2001-05-20 Richard Henderson <rth@redhat.com>
425 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
426 (ASM_DOUBLE): Remove.
427 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
428 * config/i386/sun386.h: Likewise.
430 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
431 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
433 * config/i386/cygwin.h (INT_ASM_OP): Remove.
434 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
435 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
436 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
438 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
439 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
440 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
441 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
442 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
443 * config/i386/win32.h: Likewise.
445 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
447 * invoke.texi: Add more options to summary list.
449 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
451 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
452 used. Fixes PR c/2291.
455 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
457 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
458 the -fpic and -fPIC options, clear flag_pic.
460 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
462 * hashtable.c (calc_hash): Fix HASHSTEP definition.
463 * stringpool.c (make_identifier): No statistics here anymore.
464 * objc-act.c (steup_string_decl): Remove redundant check.
466 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
468 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
469 cpplib.o, cpphash.o, fix-header): Update.
470 (hashtable.o): New target.
471 * c-common.h: Include cpplib.h. Define C_RID_CODE and
472 struct c_common_identifier here.
473 * c-lang.c (c_init_options): Update. Call set_identifier_size.
474 * c-lex.c (c_lex): Update.
475 * c-pragma.h: Update.
476 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
478 (C_RID_CODE): Delete.
479 * cpphash.c: Rewrite to use hashtable.c.
480 * cpphash.h: Update include guards.
481 (struct cpp_reader): Remove hashtab.
482 hash_ob and buffer_ob are no longer pointers. Add hash_table
484 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
485 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
486 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
487 * cppinit.c (cpp_create_reader): Update.
488 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
489 (cpp_interpret_charconst): Eliminate warning.
490 * cpplib.c (do_pragma, do_endif, push_conditional,
491 cpp_push_buffer, cpp_pop_buffer): Update.
492 (_cpp_init_stacks): Rename cpp_init_directives.
493 (_cpp_cleanup_stacks): Remove.
494 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
495 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
496 cpp_forall_identifiers, cpp_create_reader): Update.
497 (C_RID_CODE, cpp_make_node): New.
498 (c_common_identifier): New identifier node for C front ends.
499 * cppmain.c (main): Update.
500 * fix-header.c (read_scan_file): Update.
501 * flags.h (id_clash_len): Make unsigned.
502 * ggc.h (ggc_mark_nonnull_tree): New.
505 * stringpool.c: Update comments and copyright. Update to use
507 * toplev.c (approx_sqrt): Move to hashtable.c.
508 (id_clash_len): Make unsigned.
509 * toplev.h (ident_hash): New.
510 * tree.c (gcc_obstack_init): Move to hashtable.c.
511 * tree.h: Include hashtable.h.
512 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
513 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
514 (struct tree_identifier): Update.
515 (make_identifier): New.
517 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
518 (C_RID_CODE): Remove.
519 * lex.c (cxx_init_options): Call set_identifier_size. Update.
520 (init_parse): Don't do it here.
522 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
524 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
526 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
528 (expand_eh_return): Convert between word_mode and Pmode.
529 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
531 (execute_stack_op): Likewise.
532 (execute_cfa_program): Likewise.
533 (uw_frame_state_for): Likewise.
534 (uw_update_context_1): Likewise.
535 * unwind.inc (_Unwind_Reason_Code): Likewise.
536 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
537 (EH_RETURN_STACKADJ_RTX): Likewise.
538 * config/mips/mips.c (compute_frame_size): Make space for saving
540 (mips_expand_epilogue): Handle EH stack adjustments.
541 * config/mips/mips.md (eh_return): New pattern.
542 (eh_set_lr_si): Likewise.
543 (eh_set_lr_di): Likewise.
544 Add splitter to perform EH return after reload.
546 2001-05-19 Mark Mitchell <mark@codesourcery.com>
548 * jump.c (mark_jump_label): Tidy previous change.
550 2001-05-19 Bruce Korb <bkorb@gnu.org>
552 * fixinc/genfixes: no need for two warnings
553 * fixinc/Makefile.in: open stdin for those building with a closed one.
555 2001-05-19 Mark Mitchell <mark@codesourcery.com>
557 * jump.c (jump_optimize_1): Tidy.
558 (mark_jump_label): When changing the label in a LABEL_REF, change
559 update any REG_EQUAL notes as well.
561 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
563 * c-parse.in (parm_declarator): Split into
564 parm_declarator_starttypename and parm_declarator_nostarttypename.
565 (parm_declarator_starttypename, parm_declarator_nostarttypename):
566 New. Allow parenthesised sub-declarators which don't begin with a
567 TYPENAME. Fixes PR c/166.
569 2001-05-19 Mark Mitchell <mark@codesourcery.com>
571 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
573 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
575 * toplev.c (main): If the target does not allow profiling without
576 a frame pointer, issue an error message.
577 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
580 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
582 * recog.c (general_operand): Modify last change to allow it if reload
585 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
587 * recog.c (general_operand): Prohibit nonzero subreg bytes on
588 subregs containing mem.
590 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
592 * regrename.c (regrename_optimize): frame pointer register can
595 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
597 * README.DWARF: Move into dwarfout.c.
599 2001-05-18 Dale Johannesen <dalej@apple.com>
601 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
602 specific misuse of r0 as a reload address.
604 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
606 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
609 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
611 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
612 (add_to_sequence): Make that decision type.
613 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
614 (write_switch, write_cond, debug_decision_2): Likewise.
616 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
618 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
621 2001-05-18 Stan Shebs <shebs@apple.com>
623 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
624 * configure: Regenerate.
626 2001-05-18 Per Bothner <per@bothner.com>
628 Changes needed for java/jvspec.c
629 * gcc.h (n_infiles, outfiles): Add declarations.
630 * gcc.c (n_infiles, outfiles): Mske no longer static.
632 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
634 * config/pa/som.h (EXCEPTION_SECTION): Define.
636 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
638 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
640 Add have_location_lists, a variable to determine whether we need a
641 .debug_loc section or not.
642 (enum dw_val_class): Add dw_val_class_loc_list.
643 (dw_val_struct): Add val_loc_list.
644 (dw_loc_list_struct): New structure, represents location lists.
645 (new_loc_list): New function, return a new location list, given
646 the range and location expression.
647 (add_loc_descr_to_loc_list): New function, add a location
648 expression to a location list, given the expression and range.
649 (output_loc_list): New function, output a location list.
650 (gen_internal_sym): Modified to take symbol prefix, so we can
651 reuse it for location list symbols.
652 (add_AT_loc_list): New function, add a location list to a DIE at
654 (AT_loc_list): New function, return the location list reference
655 for a given attribute, if it's a location list.
656 (print_die): Handle dw_val_class_loc_list.
657 (size_of_die): Ditto.
658 (value_format): Ditto.
660 (output_location_lists): New function, output all of the location
661 lists for a DIE and it's children.
662 (dwarf2out_finish): Call output_location_lists if we have location
666 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
668 * gcse.c (try_replace_reg): First try global replace, later try to
669 simplify the expression.
671 * gcse.c (find_used_regs): Change calling convention; work via
673 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
675 2001-05-18 Bernd Schmidt <bernds@redhat.com>
678 2001-02-09 Nick Clifton <nickc@redhat.com>
679 * config/arm/arm.md: Change output constraint on post inc
680 load/store multiple patterns to be a read/write constraint.
682 2001-05-18 Mark Mitchell <mark@codesourcery.com>
684 * basic-block.h (struct basic_block_def): Add documentation about
685 what a basic block is, and what the various fields are used for.
686 * flow.c (calculate_globlal_regs_live): Add documentation about
687 how the algorithm works, and how we know that it will terminate.
688 Check that the the inductive assumption that guarantees
689 termination actually holds.
690 (mark_used_regs): Treat conditionally set registers as used.
691 (debug_regset): Add comment.
692 * rtl.texi (cond_exec): Add documentation.
694 * function.c (expand_function_start): Avoid creating BLKmode
697 2001-05-17 Mark Mitchell <mark@codesourcery.com>
699 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
700 DIE, even if it has no children.
701 (dwarf2out_finish): Always output the line-number table, even if
704 2001-05-18 David Edelsohn <edelsohn@gnu.org>
706 * rs6000.md (movsfcc,movdfcc): Remove NE case.
708 2001-05-17 Bruce Korb <bkorb@gnu.org>
710 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
711 * fixinc/genfixes: emit a warning if AutoGen is out of date
713 2001-05-17 Brendan Conoboy <blc@cygnus.com>
714 Bruce Korb <bkorb@gnu.org>
716 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
717 found in fixinc directory. Facilitates binary distributions.
719 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
721 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
724 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
726 * dwarf2out.c (modified_type_die): Equate qualified type to die.
728 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
730 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
731 (simplify_subreg): Handle complex types represented as CONCAT.
733 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
734 * rtl.h (swap_commutative_operands_p): Declare.
735 * rtlanal.c (swap_commutative_operands_p): New.
736 (operand_preference): New static function.
738 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
739 (gen_binary): Likewise.
740 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
741 * simplify-rtx.c (simplify_gen_binary,
742 simplify_gen_relational): Likewise.
744 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
746 * cse.c (fold_rtx): Use simplify_subreg.
748 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
749 (simplify_gen_subreg): New.
750 (simplify_rtx): Use simplify_subreg.
751 * rtl.h (simplify_gen_subreg): Declare.
753 2001-05-17 Mark Mitchell <mark@codesourcery.com>
755 * doc/install.texi: Update Solaris information.
757 * except.h (protect_cleanup_actions): Remove it.
758 (lang_protect_cleanup_actions): Declare it.
759 * except.c (protect_cleanup_actions): Remove it.
760 (lang_protect_cleanup_actions): New variable.
761 (init_eh): Don't make protect_cleanup_actions a GC root.
762 (expand_eh_region_and_cleanup): Call
763 lang_protect_cleanup_actions.
764 (output_function_exception_table): Remove unused `align'
766 * varasm.c (assemble_external): Abort if we have not yet
767 opened the assembly output file.
769 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
771 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
772 for eh_personality_libfunc.
774 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
776 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
777 when calling simplify_subreg. This is needed to allow replacing
778 of expression of one mode by expression of different mode.
780 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
782 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
784 2001-05-17 Bernd Schmidt <bernds@redhat.com>
786 * expr.c (protect_from_queue): Protect against subsequent calls to
788 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
791 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
793 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
795 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
797 * gccbug.in (CATEGORIES): Add "bootstrap".
799 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
801 * simplify-rtx.c (simplify_subreg): Break out from ...
802 * combine.c (combine_splify_rtx) ... here and ...
803 * recog.c (validate_replace_rtx_1): ... here;
804 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
805 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
806 (subreg_lowpart_p): ... here.
808 2001-05-17 Bernd Schmidt <bernds@redhat.com>
810 * stmt.c (expand_asm_operands): For inout operands, make sure
811 the substitution of '=' for '+' makes it into the rtl.
813 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
814 (reload_as_needed): Call update_eliminable_offsets a bit later.
816 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
818 * gcc.texi (gccbug): Refer to the web pages for detailed information
821 2001-05-16 Zack Weinberg <zackw@stanford.edu>
823 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
825 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
826 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
827 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
828 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
829 * cross-make: Don't set LIBGCC1.
830 * mklibgcc.in: Delete all code for building from libgcc1.c.
831 Always honor LIB1ASMFUNCS if set.
833 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
834 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
835 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
836 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
837 config/i386/uwin.asm, config/m68hc11/larith.asm,
838 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
839 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
840 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
841 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
842 Delete or update references to libgcc1 in commentary.
844 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
845 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
846 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
847 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
848 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
849 config/arm/t-semi, config/arm/t-strongarm-coff,
850 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
851 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
852 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
853 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
854 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
855 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
856 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
857 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
858 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
859 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
860 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
861 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
862 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
863 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
864 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
865 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
866 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
867 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
868 config/mips/t-ultrix, config/mn10200/t-mn10200,
869 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
870 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
871 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
872 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
873 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
874 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
875 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
876 config/sparc/t-sparclite, config/sparc/t-splet,
877 config/sparc/t-sunos41, config/sparc/t-vxsparc,
878 config/sparc/t-vxsparc64, config/v850/t-v850:
879 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
881 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
882 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
883 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
884 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
885 nongcc_SI_type, nongcc_word_type, or perform_*
886 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
888 * config/i386/386bsd.h, config/i386/beos-elf.h,
889 config/i386/linux-aout.h, config/i386/linux-oldld.h,
890 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
891 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
892 Don't include i386/perform.h.
894 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
895 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
896 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
897 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
898 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
899 config/vax/t-openbsd, config/vax/t-vax: Delete.
901 * config.gcc: Remove references to deleted files.
902 (arm-semi-aof): Use arm/t-semi for tmake_file.
904 * gcc.texi, install.texi, invoke.texi, tm.texi:
905 Delete or rewrite text which is no longer relevant now that
906 libgcc1 no longer exists.
908 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
909 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
911 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
912 Bruce Korb <bkorb@gnu.org>
914 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
917 2001-05-16 Zack Weinberg <zackw@stanford.edu>
919 * i386.md: Add two peepholes to clean up code generated by
922 2001-05-16 Richard Henderson <rth@redhat.com>
924 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
925 variants of non-absolute encodings.
927 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
929 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
930 __register_frame_info_table_bases): Export.
932 2001-05-16 Richard Henderson <rth@redhat.com>
934 * except.c (eh_data_format_name): Move to ...
935 * dwarf2asm.c: ... here. Use designated initializers if available.
936 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
937 * dwarf2asm.h: Update declarations.
938 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
939 ASM_PREFERRED_EH_DATA_FORMAT.
940 (output_call_frame_info): Likewise. Use 'L' augmentation for
943 * unwind-dw2-fde.h (struct fde_vector): New.
944 (struct old_object): Rename from struct object.
945 (struct object): New.
946 (__register_frame_info_bases): Declare.
947 (__register_frame_info_table_bases): Declare.
948 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
949 * unwind-dw2-fde.c (objects): Remove.
950 (unseen_objects, seen_objects): New.
951 (__register_frame_info_bases): New.
952 (__register_frame_info): Use it.
953 (__register_frame_info_table_bases): New.
954 (__register_frame_info_table): Use it.
955 (__deregister_frame_info): Rewrite for changed object struct.
956 (base_from_object, get_cie_encoding, get_fde_encoding): New.
957 (fde_unencoded_compare): Rename from fde_compare; uninline.
958 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
959 (start_fde_sort): Adjust for new definition of fde_vector.
960 (fde_insert): Likewise.
961 (end_fde_sort): Likewise. Select comparison function based
962 on properties of the object.
963 (fde_split): Take object and fde_compare_t arguments.
964 (frame_heapsort, fde_merge): Likewise.
965 (classify_object_over_fdes): Rename from count_fdes. Handle
966 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
968 (add_fdes): Handle encoded pointers.
969 (init_object): Rename from frame_init. Update for new struct object.
970 (linear_search_fdes): Rename from search_fdes. Handle encoded
972 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
973 (binary_search_single_encoding_fdes): New.
974 (binary_search_mixed_encoding_fdes): New.
975 (search_object): New.
976 (_Unwind_Find_FDE): Update for new struct object. Fill in
978 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
979 iterating over EH data.
980 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
981 fde_encoding, lsda_encoding.
982 (read_uleb128, read_sleb128): Remove.
983 (read_encoded_pointer): Remove. All callers use read_encoded_value.
984 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
985 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
987 * unwind-pe.h: Add "struct" to _Unwind_Context references.
989 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
991 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
992 * cpphash.c (_cpp_lookup_with_hash): Similarly.
993 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
994 cpp_spell_token, cpp_output_token): Similarly.
995 * cpplib.c (lex_macro_node, do_undef, do_pragma,
996 do_pragma_poison, parse_assertion, do_assert): Similarly.
997 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
998 save_parameter, _cpp_create_definition, check_trad_stringification,
999 cpp_macro_definition): Similarly.
1000 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1001 * c-lex.c (cb_undef, c_lex): Similarly.
1002 * fix-header.c (recognized_function): Similarly.
1003 * cpplib.h (NODE_LEN, NODE_NAME): New.
1004 (cpp_hashnode): Rename length len.
1006 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1008 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1011 2001-05-16 Andreas Jaeger <aj@suse.de>
1013 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1015 * toplev.c: Include dwarf2asm.h for prototype of
1016 dw2_output_indirect_constants.
1018 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1020 * stmt.c (expand_asm_operands): Be able to offload addressof
1021 expression to memory. (PR optimization/185)
1023 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1025 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1026 applying distributive law.
1028 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1030 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1032 * gthr-dce.h (UNUSED): Attribute unused macro.
1033 (__gthread_key_dtor): Make arguments UNUSED.
1034 (__gthread_key_delete): Revise for compatibility with DRAFT4
1037 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1039 * doc/install.texi: Update AIX information.
1040 * README.RS6000: Remove obsolete file.
1042 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1043 Nathan Sidwell <nathan@codesourcery.com>
1045 * gcc.c (give_switch): Don't write before start of string.
1046 Always append suffix.
1048 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1050 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1053 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1055 * README.ALTOS: Remove obsolete file.
1057 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1059 * c-lex.h (save_and_forget_protocol_qualifiers,
1060 forget_protocol_qualifiers, remember_protocol_qualifiers):
1061 Remove deleted functions' prototypes.
1063 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1065 * c-parse.in (methodtype): New production.
1066 (methoddef, methodproto): Collapse separate '-' and '+'
1069 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1071 * c-common.h (RID_FIRST_PQ): New.
1072 * c-parse.in (objc_pq_context): New.
1073 (objc parser): Set objc_pq_context rather than calling
1074 remember_protocol_qualifiers and forget_protocol_qualifiers.
1075 Don't call save_and_forget_protocol_qualifiers.
1076 (yylexname): Handle objc protocol qualifiers here.
1077 * stringpool.c (struct str_header): Replace with sp_hashnode.
1078 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1079 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1080 Allocate an IDENTIFIER_NODE for each identifier.
1081 (FORALL_STRINGS, set_identifier): Delete.
1082 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1083 (ggc_alloc_string): Use an obstack.
1084 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1085 * tree.h: Update comments.
1086 (set_identifier): Delete.
1087 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1088 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1089 remember_protocol_qualifiers): Delete.
1091 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1093 * flow.c (life_analysis): After life analysis is complete, do
1094 an optional scan over insns looking for REG_LABEL notes that
1095 reference a deleted label.
1096 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1097 before peeking at LABEL_NUSES.
1099 2001-05-15 Richard Henderson <rth@redhat.com>
1101 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1102 (_Unwind_GetTextRelBase): New.
1104 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1106 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1108 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1110 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1111 so that CHOOSE_SECTION gets used.
1113 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1114 TARGET_RELOCATABLE like flag_pic for now.
1116 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1118 * rs6000.md (movdi splitter): Sign extend more efficiently.
1119 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1120 to "long long" valid on 32-bit and 64-bit hosts.
1121 (logical_operand): Cast trunc_int_for_mode return value.
1122 (rs6000_emit_move): Shift macro to encapsulate variable.
1123 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1124 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1125 plus_constant requires signed argument.
1127 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1129 * gthr-posix.h: Make additional pthread-* functions weak.
1131 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1133 * recog.c (apply_change_group): Avoid unneeded validating.
1135 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1137 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1138 (num_insns_constant): CONST_INT can be 64-bits.
1140 2001-05-14 Stan Shebs <shebs@apple.com>
1142 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1143 (LIBGCC_SPEC): Don't define.
1145 2001-05-14 Richard Henderson <rth@redhat.com>
1147 * configure.in (gcc_cv_as_eh_frame): New test.
1148 * config.in, configure: Rebuild.
1149 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1151 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1153 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1154 extended precision divide.
1156 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1158 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1159 for RETURNS as well.
1161 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1163 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1164 (CPP_CPU??_SIZE_TYPE): New.
1165 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1166 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1167 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1168 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1170 * i386.c (override_options): Add sorry about not suported modes.
1172 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1174 * config/pa/som.h (NM_FLAGS): Remove.
1175 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1176 (ASM_OUTPUT_SECTION_NAME): Remove.
1177 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1179 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1181 * regrename.c (regrename_optimize): Do not rename registers to
1184 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1186 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1187 contain MEMs. Remove useless distinction about clobbering
1190 2001-05-13 Geoff Keating <geoffk@redhat.com>
1192 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1193 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1194 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1195 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1196 (EXCEPTION_SECTION): Define.
1198 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1200 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1201 binary backward compat only.
1202 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1203 in LIB2FUNCS. Pass it to mklibgcc.
1204 * mklibgcc.in: Handle LIB2FUNCS_ST.
1206 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1208 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1210 * tm.texi (THREAD_MODEL_SPEC): Document it.
1211 * gcc.c (main): Use it.
1212 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1213 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1215 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1217 * rtl.h (SYMBOL_REF_WEAK): New macro.
1218 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1219 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1220 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1221 * gcc.texi: Remove wrong description.
1223 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1225 * Makefile.in (STAMP): New macro.
1226 Replace all uses of `touch' with $(STAMP).
1227 * fixinc/Makefile.in: Likewise.
1229 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1231 * configure.in: ldopen is never in -lexc, so don't test for it.
1232 Add test for exc_resume in -lexc for Ada.
1233 * configure: Regenerated.
1235 2001-05-12 Richard Henderson <rth@redhat.com>
1237 * dwarf2asm.c (size_of_encoded_value): New function.
1238 * dwarf2asm.h: Declare it.
1239 * except.c (output_function_exception_table): Align the TType
1240 array only as wide as the encoding.
1242 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1244 * extend.texi: Document #pragma GCC java_exceptions.
1246 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1248 * c-parse.in (bison parser, init_reswords): Remove uses of
1250 * c-tree.h (doing_objc_thang): Remove.
1252 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1254 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1255 about files not ending in newlines.
1257 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1259 * dwarfout.c (dwarfout_init): Add cast.
1260 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1261 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1263 * method.c (build_mangled_C99_name): Remove unused prototype.
1265 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1267 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1269 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1271 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1272 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1274 2001-05-11 Richard Henderson <rth@redhat.com>
1276 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1277 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1278 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1279 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1280 (dw2_output_indirect_constants): Prototype.
1281 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1282 current_function_func_begin_label if we'll need it for EH. Exit
1283 early for IA64_UNWIND_INFO.
1284 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1285 (eh_data_format_name): Update for indirect references.
1286 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1287 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1288 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1289 define HAVE_eh_return etc.
1290 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1291 (final_end_function): Don't call output_function_exception_table.
1292 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1293 (rest_of_compilation): Invoke output_function_exception_table
1294 for ia64 before assemble_end_function.
1295 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1296 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1298 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1299 * unwind.h: Declare them.
1300 * libgcc-std.ver: Export them.
1301 * unwind-pe.h: New file.
1303 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1305 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1307 (find_fde_for_dso): Extract DT_PLTGOT.
1308 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1309 the segment and gp as well.
1310 * config/ia64/frame-ia64.c: Remove file.
1311 * config/ia64/frame-ia64.h: Remove file.
1312 * config/ia64/unwind-ia64.c: New file.
1313 * config/ia64/unwind-ia64.h: New file.
1314 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1315 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1316 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1317 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1318 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1319 (IA64_UNWIND_INFO): Re-enable.
1320 (HANDLER_SECTION): Remove.
1321 (EH_RETURN_DATA_REGNO): New.
1322 * config/ia64/ia64.md (exception_receiver): Remove.
1323 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1324 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1326 2001-05-11 Richard Henderson <rth@redhat.com>
1328 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1329 calls and jumps to be bundled together.
1330 (ia64_reorg): Emit a break after a noreturn call that ends
1332 * config/ia64/ia64.md (break_f): New.
1334 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1336 * c-lex.c (lex_charconst): Convert into a simple wrapper
1337 around cpp_interpret_charconst, to which most of the code
1339 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1340 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1341 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1342 (lex): Use cpp_interpret_charconst.
1343 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1344 hex_digit_value): New functions.
1345 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1346 * cpplib.h (cpp_interpret_charconst): New prototype.
1347 * Makefile.in: Update.
1349 2001-05-12 Dean Wakerley <dean@wakerley.com>
1351 * doc/install.texi: New file. Converted to texinfo from the HTML
1352 documentation in wwwdocs/htdocs/install.
1354 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1356 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1357 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1359 * toplev.c (compile_file): Move comment for opening output
1360 file to just before the code that opens the output file.
1362 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1364 * regmove.c (regmove_optimize): Suppress the optimization for
1365 unchanging destination register. Add comment above function.
1367 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1369 * Makefile.in: Exterminate all references to assert.h.
1370 * cross-make: Likewise.
1372 * configure.in: Correct commentary.
1373 * configure: Regenerate.
1375 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1378 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1379 config/t-netbsd, config/t-rtems, config/x-linux,
1380 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1381 No need to override INSTALL_ASSERT_H.
1383 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1384 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1385 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1387 2001-05-11 Graham Stott <grahams@redhat.com>
1389 * combine.c (simplify_comparison): Fix typo.
1391 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1393 * loop.h (struct movables): Remove `num'.
1394 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1395 Adjust call to strength_reduce.
1396 (num_unmoved_movables): New function.
1397 (move_movables): Don't set movables->num.
1398 (strength_reduce): Compute the number of instructions in the loop
1399 here, rather than in the caller.
1400 (check_dbra_loop): Always clear reversible_mem_store if there
1401 are any memory sets.
1402 (loop_regs_scan): Don't count instructions here.
1403 (count_insn_in_loop): New function.
1405 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1407 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1409 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1411 * c-common.c (finish_label_expr): New function, lifted from
1412 from cp/semantics.c.
1413 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1414 * c-parse.in: Move 3 blocks of parser code into new functions.
1415 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1416 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1417 (lookup_label): Remove.
1419 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1421 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1422 FLOAT_BIT_ORDER_MISMATCH.
1424 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1426 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1427 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1429 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1431 * expr.c (emit_group_load): extract_bit_field requires a REG or
1434 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1436 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1437 a computed jump into an unconditional jump.
1438 In second hunk of code for collapsing computed and conditional jumps
1439 into unconditional jumps, reemit the jump in additional cases.
1441 * jump.c (jump_optimize_1): Do not wrap the new jump target
1442 inside a LABEL_REF; gen_jump will do that automatically.
1444 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1446 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1447 contents for a SYMBOL_REF in case of floating point constants.
1449 2001-05-10 DJ Delorie <dj@redhat.com>
1451 * c-common.c (combine_strings): Widen strings in a
1452 host-endian-independent way.
1454 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1456 * c-parse.in: Remove many shift/reduce conflicts. Update
1458 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1459 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1460 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1461 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1462 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1463 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1464 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1465 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1466 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1467 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1468 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1469 typespec_reserved_nonattr, typespec_reserved_attr,
1470 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1471 structsp_nonattr, components_notype, component_notype_declarator,
1472 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1473 firstparm, setspecs_fp): New
1474 (typed_declspecs, reserved_declspecs, typed_typespecs,
1475 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1476 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1477 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1478 type_quals): Remove. Users updated.
1479 (initdecls, notype_initdecls, after_type_declarator,
1480 parm_declarator, notype_declarator, absdcl1, components, ivars):
1481 Don't allow attributes at the start of a declarator; include them
1482 in the production containing the declarator instead. Always
1483 require type specifiers before trying to redeclare a typedef name.
1484 (typename): Allow for attributes but warn that they are ignored.
1485 (parmlist, firstparm, setspecs_fp): Include attributes in
1486 parmlist; suck them off the parser stack in firstparm using
1489 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1491 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1492 to determine if a block has an unconditional jump at its end.
1494 * jump.c (jump_optimize_1): When converting a conditional jump
1495 to an unconditional jump, build the jump using gen_jump instead
1496 of just modify operands in-place.
1498 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1500 * cppinit.c (cpp_post_options): Shut off macro expansion if
1502 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1503 IN_I directives only if the # is in column 1 and the directive
1504 name begins in column 2.
1505 * cppmain.c (scan_buffer): Insert a space between # and an
1506 identifier, when that identifier is a directive name.
1508 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1509 in the header search path.
1510 (enum node_type): Add T_INCLUDE_NEXT.
1511 (directive_table): Add entry for include_next.
1512 (do_include_next): New function.
1513 (process_include): New routine, broken out of do_include.
1514 (finclude): Insert 'nhd' argument, to be copied into
1515 next_header_dir of the new buffer.
1516 (main): Adjust to match.
1517 * gsyslimits.h, limity.h: Un-indent #include_next.
1519 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1521 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1522 inclusion as a chapter of the GCC manual.
1523 * gcc.texi: Include objc.texi.
1524 * fdl.texi: Use @unnumberedsec for the addendum.
1525 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1527 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1529 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1531 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1533 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1534 handling of two-address insns.
1536 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1538 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1539 ../binutils/nm-new instead of ../binutils/nm.
1541 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1543 * i386.md (movdi splitter): Fix the splitting condition
1544 (float_extenddftf splitter): Fix mode.
1546 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1548 * genrecog.c (write_switch): Avoid outputting of switch for
1549 types wider than int.
1551 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1553 * reload1.c (copy_eh_notes): New function.
1554 (emit_input_reload_insns): Call it.
1555 (emit_output_reload_insns): Call it.
1557 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1559 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1561 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1562 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1564 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1566 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1568 * pa.md (interspace_jump): Revise comment.
1569 (builtin_longjmp): Block initial setup insns from delay slot of
1571 (builtin_setjmp_receiver): New expander to save and restore PIC
1574 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1576 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1578 * toplev.c (compile_file): Set up the output file before we call
1579 the various initializers for the compiler.
1581 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1582 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1584 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1585 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1587 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1589 * Makefile.in (tradcpp0): Correct typo in dependency list.
1591 2001-05-06 Geoff Keating <geoffk@redhat.com>
1593 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1594 the link register if we're not going to use it.
1596 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1597 (output_function_profiler): Likewise.
1599 2001-05-07 Alan Modra <amodra@one.net.au>
1601 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1603 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1605 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1606 zero-extend it. Make abs_inc unsigned.
1608 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1609 widest mode in narrowing and widening operations.
1611 * config/mips/mips.md: Sign extend CONST_INTs.
1613 2001-05-06 Andreas Jaeger <aj@suse.de>
1615 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1616 (i386 Options): Document -momit-leaf-frame-pointer.
1618 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1620 * c-typeck.c (internal_build_compound_expr): Check for
1621 array to pointer conversion just once.
1623 2001-05-05 Richard Henderson <rth@redhat.com>
1625 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1627 2001-05-05 Richard Henderson <rth@redhat.com>
1629 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1630 to the parent of the fixup region.
1632 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1634 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1636 * cpp.texi (__NO_INLINE): Document it.
1638 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1640 * cppfiles.c (struct include_file): New member err_no.
1641 (find_or_create_entry): Set it.
1642 (open_file): Don't set fds to -2. Instead, use err_no to
1643 remember previous errors, if any.
1645 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1647 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1648 between X and Y by using sequences of xgdx and xgdy.
1650 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1652 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1653 of '!' for the 'D' alternative ('!' is too strong).
1654 ("*logicalsi3_silshl16"): Likewise.
1655 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1656 ("movstrictsi"): Remove spurious '+'.
1657 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1658 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1659 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1662 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1664 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1666 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1668 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1671 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1673 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1676 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1678 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1679 soft register, use ror instead of rol.
1681 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1683 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1684 into account pre/post increment decrement for 68HC12.
1685 Fix other problems in replacement and fix call to reg_mentioned_p.
1687 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1689 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1690 Put the soft registers in bss for 68HC12.
1691 (L_regs_d3_4): New for _.d3 and _.d4.
1692 (L_regs_d5_6): Likewise.
1693 (L_regs_d1_2): Likewise.
1694 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1696 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1698 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1699 to the pre-processor when -fshort-double is specified.
1700 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1702 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1704 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1705 (__mulsi3): Rewrite for 68HC12.
1706 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1707 Mark 'x' constraint with earlyclobber to prevent a
1708 RELOAD_FOR_OTHER_ADDRESS to go in it.
1709 (mulhi3_m68hc12): New pattern.
1710 (mulhi3_m68hc11): Rename of mulhi3.
1711 (mulhi3): New expand for 68HC12 optimisation.
1712 (umulhisi3, mulhisi3): New patterns for 68HC12.
1714 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1716 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1717 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1718 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1720 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1722 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1723 constants cheap after reload.
1724 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1726 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1727 so that gcc prefers a shift by 16.
1728 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1730 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1732 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1734 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1736 * alpha.h: NULL_PTR -> NULL.
1743 * i386.md: Likewise.
1746 * m68hc11.h: Likewise.
1747 * rs6000.h: Likewise.
1750 * sparc.h: Likewise.
1754 * final.c: Likewise.
1756 * recog.c: Likewise.
1758 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1760 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1761 `bool' parameter to `int'.
1763 * hash.c (hash_lookup): Likewise.
1765 * hash.h (hash_lookup): Likewise.
1767 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1769 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1771 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1773 2001-05-03 Geoff Keating <geoffk@redhat.com>
1775 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1776 -malign-loops, -malign-functions.
1777 * i386.c (ix86_align_funcs): Delete.
1778 (ix86_align_loops): Delete.
1779 (ix86_align_jumps): Delete.
1780 (override_options): Mark -malign-* as obsolete. Emulate their
1781 behaviour with the -falign-* options. Default -falign-* from
1782 the processor table.
1783 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1784 patch of Wed May 2 13:09:36 2001.
1785 (LOOP_ALIGN): Delete.
1786 (LOOP_ALIGN_MAX_SKIP): Delete.
1787 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1788 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1790 2001-05-04 Andreas Jaeger <aj@suse.de>
1792 * except.h: Add prototype declaration for
1793 expand_builtin_init_dwarf_reg_sizes.
1795 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1797 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1799 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1801 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1803 ("bitcmpqi2"): New pattern for bit-extract and test.
1804 ("bitcmphi"): New pattern for bitb/bita instructions.
1806 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1808 * gccbug.in: Use a temporary directory when the mktemp command is
1811 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1813 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1815 (INITIALIZE_TRAMPOLINE): Call it.
1816 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1817 (TRAMPOLINE_TEMPLATE): Remove.
1818 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1819 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1822 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1824 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1825 and crtendS.o with PIC.
1827 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1829 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1831 (___subdi3, ___adddi3): Use x instead of y as index register.
1832 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1833 (__memset, __memcpy): Likewise.
1834 (regs): Put the soft registers in bss for 68HC12.
1835 (abort): Use trap to abort for 68hc12.
1836 (__mulhi3, __mulhi32): Use emul for 68hc12.
1837 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1839 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1841 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1842 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1843 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1844 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1845 Set 68HC12 min offset to -65536.
1846 (print_operand): Put parenthesis arround the operand if it refers
1847 to a symbol having the same name as a register.
1848 (m68hc11_z_replacement): When z register is replaced by its
1849 equivalent soft register, force the insn to be re-recognized.
1850 (m68hc11_check_z_replacement): Fix the test when destination is
1851 the index register and z dies in the insn.
1852 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1854 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1856 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1857 costs according to processor variant.
1858 (m68hc11_shift_cost): New function to compute shift costs.
1859 (m68hc11_rtx_costs): Define costs according to processor variant.
1860 (m6811_cost): Costs for 68HC11.
1861 (m6812_cost): Costs for 68HC12.
1862 (COSTS_N_INSNS): Remove.
1864 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1865 (DEFAULT_RTX_COSTS): Remove.
1866 (CONST_COSTS): Define costs according to OUTER_CODE.
1867 (processor_costs): New struct to define costs.
1868 (m68hc11_cost): Pointer to current costs.
1870 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1872 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1873 and use m68hc11_notice_keep_cc when using leax/leay.
1874 (addhi3 split): Reject split if the insn is handled by
1876 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1877 push must be handled in a special way if the source operand uses
1878 sp as index register.
1879 (m68hc11_notice_keep_cc): New function.
1880 (m68hc11_gen_movhi): Use it when an insn changes a register but
1882 (m68hc11_gen_movqi): Fix move for 68HC12.
1883 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1885 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1887 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1888 and don't pass operands[0] to emit_library_call_value.
1890 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1892 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1893 (zero_extendsi split): Simplify and use (zero_extendhi).
1894 (*addhi3): Remove 'w' constraint since stack pointer is handled
1896 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1897 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1898 (*ashrhi3_const): Fix shift by 7.
1899 (*lshrsi3_const16): Fix template.
1900 (call, call_value): Fix constraint and predicate.
1902 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1904 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1905 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1906 (CC_REGNUM): Likewise.
1907 (*unnamed splits): Use above constants instead of hard coded numbers.
1908 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1909 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1910 (*return_16bit, *unnamed peepholes): Likewise.
1912 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1914 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1915 rs6000/rs6000.h twice.
1917 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1919 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1920 (CPP_SPEC): Conditionally define MSDOS and GO32.
1921 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1922 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1924 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1926 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1928 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1930 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1932 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1933 * integrate.c (expand_inline_function): Use xcalloc to allocate
1935 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1938 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1940 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1943 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1945 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1946 linker if -mrelax is given.
1947 (TARGET_SWITCHES): Document -mrelax.
1949 Re-installed 2001-01-09's patch:
1950 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1951 if it's wider than long and the target's long is wider than the
1954 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1956 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1957 directly include rs6000/rs6000.h. Instead do it in tm.h.
1959 2001-05-02 Stan Shebs <shebs@apple.com>
1961 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1962 NSConstantString for NeXT-style runtimes.
1963 (STRING_OBJECT_GLOBAL_NAME): New macro.
1964 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1965 OCTI_STRING_CLASS_DECL.
1966 (constant_string_global_id): New macro.
1967 (string_class_decl): Ditto.
1968 (setup_string_decl): New function.
1969 (build_objc_string_object): Use it to build a NeXT runtime
1970 compatible string initializer.
1972 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1974 * tradcpp.c (do_define): Make sure we don't walk past limit.
1976 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1978 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1979 offsets if not REG_OK_STRICT.
1981 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1982 (INT_REG_OK_FOR_INDEX_P): Likewise.
1983 (INT_REG_OK_FOR_BASE_P): Likewise.
1984 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1985 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1986 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1987 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1988 REG_OK_FOR_BASE_P. Take an additional parameter.
1989 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1990 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1991 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1992 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1993 rs6000_legitimate_address() and use it.
1994 * config/rs6000/rs6000.c: Update all callers.
1995 (rs6000_legitimate_address): New function.
1997 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1999 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2000 special_constant conditional blocks together.
2002 2001-05-02 Dale Johannesen <dalej@apple.com>
2004 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2006 (STRICT_ARGUMENT_NAMING): Define.
2007 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2008 function_arg_partial_nregs, setup_incoming_varargs): Remove
2009 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2012 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2014 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2016 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2019 * expr.c (store_field): Do nothing except elaborate side-effects if
2022 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2024 * c-lex.c: NULL_PTR -> NULL.
2026 * emit-rtl.c: Likewise.
2028 * genpeep.c: Likewise.
2030 * mips-tdump.c: Likewise.
2031 * reload1.c: Likewise.
2032 * rtlanal.c: Likewise.
2034 * stor-layout.c: Likewise.
2035 * toplev.c: Likewise.
2037 2001-05-01 Per Bothner <per@bothner.com>
2039 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2040 call do_pending_stack_adjust before emiting label.
2042 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2044 * extend.texi: Fix typo.
2046 2001-05-01 Stan Shebs <shebs@apple.com>
2048 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2049 of UOBJC_MODULES_decl.
2050 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2051 (generate_descriptor_table): Ditto.
2052 (generate_protocols): Ditto.
2053 (generate_protocol_list): Ditto.
2054 (generate_classref_translation_entry): Ditto.
2056 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2058 * invoke.texi (Optimize Options): Add documentation for `--param
2059 max-delay-slot-insn-search' and `--param
2060 max-delay-slot-live-search' and reorder --param section.
2061 * params.def: Modify initial comment.
2062 * params.h (param_info): Add `help' member.
2063 * toplev.c (lang_independent_params): Include `help' description.
2064 (display_help): Print --param parameters.
2066 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2068 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2069 Remove references to deleted files.
2070 (*-*-openbsd): No need to override xmake_file.
2071 (*-*-sysv4): Treat like *-*-sysv.
2073 * configure.in: Probe for ldopen in various places, and set up
2074 collect2 to be linked with them if found.
2075 Don't dink with Windows registry stuff unless $host_os is a
2076 Win32 os name. Check to see if we need -ladvapi32.
2077 * configure: Regenerate.
2079 * Makefile: Get rid of CLIB and HOST_CLIB.
2080 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2081 * build-make: Get rid of HOST_CLIB.
2083 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2084 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2085 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2086 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2087 config/rs6000/x-rs6000: Delete.
2089 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2092 24 x-host fragments remain, 0 x-cpu, 3 top level.
2094 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2096 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2097 * configure: Regenerate.
2099 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2101 * Makefile.in (install-headers): Remove redundant dependency.
2103 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2105 * c-tree.texi (USING_STMT): Document.
2107 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2109 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2110 * c-common.c: Likewise.
2111 * c-decl.c: Likewise.
2112 * combine.c: Likewise.
2113 * rs6000.c: Likewise.
2114 * except.c: Likewise.
2115 * explow.c: Likewise.
2117 * fold-const.c: Likewise.
2118 * function.c: Likewise.
2121 * integrate.c: Likewise.
2123 * objc/objc-act.c: Likewise.
2124 * recog.c: Likewise.
2125 * reg-stack.c: Likewise.
2126 * reload.c: Likewise.
2127 * reload1.c: Likewise.
2128 * simplify-rtx.c: Likewise.
2130 * varasm.c: Likewise.
2132 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2134 * diagnostic.def: New file.
2135 * diagnostic.h (diagnostic_t): New enum.
2136 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2138 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2140 * tsystem.h: Test only POSIX for availability of string.h
2142 * config.gcc (all systems): If USG appeared in xm_defines,
2143 change it to POSIX. If both USG and POSIX appeared, just
2144 delete USG. Remove unnecessary quotes around xm_defines
2146 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2147 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2148 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2149 powerpc-*-linux*): No need to set xm_defines - handled by
2150 global settings for *-*-linux*.
2152 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2154 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2155 Always include gstab.h, not system stab.h. Don't provide
2156 default definitions of N_CATCH or N_OPT. Always use the
2157 gstab.h variant of STAB_CODE_TYPE.
2158 * final.c: Don't include stab.h/gstab.h at all, or provide
2159 defaults for N_SLINE and N_SOL.
2161 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2162 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2164 * sdbout.c: Always include gsyms.h instead of system syms.h.
2166 * configure.in: No need to check for stab.h.
2167 * configure, config.in: Regenerate.
2168 * Makefile.in (final.o): Don't depend on gstab.h.
2170 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2171 Richard Henderson <rth@redhat.com>
2173 * extend.texi: Improve documentation of volatile asms.
2175 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2177 * c-tree.texi: Fix thinko.
2178 * gcc.texi: Likewise.
2180 2001-04-30 Richard Henderson <rth@redhat.com>
2182 * c-common.c (c_promoting_integer_type_p): New function, from the
2183 corpse of old macro. Properly promote too-small enumerations and
2184 booleans. Adjust all callers.
2185 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2186 (c_promoting_integer_type_p): Declare.
2187 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2188 * c-typeck.c: Likewise.
2189 (default_conversion): Remove now redundant boolean check.
2191 2001-04-30 Jan Hubicka <jh@suse.cz>
2192 Richard Henderson <rth@redhat.com>
2194 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2196 (combine_stack_adjustments_for_block): Don't combine stack
2197 allocation followed by deallocations. Handle grow-up stacks.
2199 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2201 * fdl.texi: New file.
2202 * c-tree.texi: Use the GFDL.
2203 * gcc.texi: Likewise.
2205 2001-04-30 Stan Shebs <shebs@apple.com>
2207 * invoke.texi: Add a section documenting Objective-C options.
2209 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2211 * emit-rtl.c (try_split): Copy EH notes to sequence.
2213 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2215 * regmove.c (record_stack_memrefs): Catch all references to the
2218 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2220 * Makefile.in (stmp-fixinc): quote shell assignment values
2222 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2224 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2228 * prefix.c: Likewise.
2230 2001-04-28 Stan Shebs <shebs@apple.com>
2232 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2233 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2234 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2235 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2237 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2238 (NEXT_OBJC_RUNTIME): Define.
2240 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2242 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2243 * simplify-rtx.c (simplify_gen_relational): Likewise.
2245 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2247 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2248 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2250 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2251 registers in SSE case; fix handling of the immediates.
2252 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2253 operands to be in regsiters before reload.
2254 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2255 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2256 (abstf,absxf,negtf,negxf splitters): Compute
2257 properly the regnum for x86_64.
2258 (avsdf2_if_rex64): New.
2260 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2262 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2263 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2264 into the constant pool.
2265 * jump.c (jump_optimize_1): Remove barrier successors after all
2266 the LABEL_NUSES counds have been computed.
2267 (delete_barrier_successors): When deleting a tablejump insn, also
2268 delete the jump table it uses.
2269 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2272 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2274 * pa.c (FRP): Remove erroneous white space in macro definition.
2276 2001-04-28 Andreas Jaeger <aj@suse.de>
2278 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2280 * extend.texi: Likewise.
2281 * tm.texi: Likewise.
2283 2001-04-28 Andreas Jaeger <aj@suse.de>
2285 * md.texi: Use XX-bit instead of XXbit or XX bit where
2288 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2290 * gcc.c (process_command): Allow -l lib in addition to -llib
2291 for POSIX compliance. This fixes PR c/2347.
2293 * invoke.texi: Update section on Link Options accordingly.
2295 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2297 * function.c (purge_addressof_1): Remove the duplicate
2298 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2301 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2303 * except.c (expand_eh_region_start): Don't start a new block.
2304 (expand_eh_region_end): Don't end a block.
2305 * stmt.c (expand_end_bindings): Don't end EH blocks.
2306 (expand_decl_cleanup): Starting an EH region won't change the block.
2307 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2308 (is_eh_region): Lose.
2311 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2313 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2315 * collect2.c (main): Add `-L' case to remove duplicate entries.
2316 (is_in_args): New function to check for a duplicate argument.
2317 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2318 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2319 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2320 Define to be nonzero.
2322 2001-04-27 Andreas Jaeger <aj@suse.de>
2323 Richard Henderson <rth@redhat.com>
2325 * md.texi (Machine Constraints): Document additional i386
2326 constraints and fix description of "A".
2328 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2330 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2332 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2334 * except.c (get_exception_filter): word_mode, not Pmode.
2336 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2338 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2339 common to other movsf patterns. Move up so that in future
2340 people who change the other patterns will change it too.
2341 (movsf_lo_sum): Allow even for soft-float; add appropriate
2343 (movsf_high): Likewise.
2344 (movsf_high+1): Allow even for soft-float.
2346 * function.c (expand_function_end): Always clobber the
2347 return registers, even if there is no return label.
2349 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2351 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2353 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2355 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2356 (pushqi2_rex64, pushhi2_rex64): Add.
2358 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2360 * except.c (expand_eh_region_end_cleanup): Force pending stack
2361 adjust before emitting label that branches around cleanup code.
2363 2001-04-26 H.J. Lu (hjl@gnu.org)
2365 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2367 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2369 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2370 (ASM_OUTPUT_SECTION_NAME): Likewise.
2371 (ASM_WEAKEN_LABEL): Likewise.
2372 (UNIQUE_SECTION): Likewise.
2373 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2374 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2375 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2376 (ASM_OUTPUT_SECTION_NAME): Likewise.
2377 (ASM_WEAKEN_LABEL): Likewise.
2378 (UNIQUE_SECTION): Likewise.
2379 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2380 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2381 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2382 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2383 (ASM_FILE_START): Likewise.
2384 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2385 (ASM_DECLARE_OBJECT_NAME): Likewise.
2386 (ASM_FILE_END): Likewise.
2387 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2388 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2389 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2390 (ASM_OUTPUT_CASE_LABEL): Likewise.
2391 (ASM_OUTPUT_SKIP): Likewise.
2392 (ASM_OUTPUT_ASCII): Likewise.
2393 (ASM_OUTPUT_IDENT): Likewise.
2394 (READONLY_DATA_SECTION): Likewise.
2395 (EXTRA_SECTIONS): Likewise.
2396 (EXTRA_SECTION_FUNCTIONS): Likewise.
2397 (SELECT_RTX_SECTION): Likewise.
2398 (SELECT_SECTION): Likewise.
2400 * config/mips/linux.h (INVOKE__main): Undefine.
2401 (CTOR_LIST_BEGIN): Likewise.
2402 (CTOR_LIST_END): Likewise.
2403 (DTOR_LIST_BEGIN): Likewise.
2404 (DTOR_LIST_END): Likewise.
2405 (SET_ASM_OP): Defined it to ".dummy".
2406 (ASM_OUTPUT_DEF): Defined.
2407 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2409 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2411 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2412 assembler supports .p2align.
2414 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2416 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2418 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2420 * integrate.c (expand_inline_function): Check for error_mark_node
2423 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2425 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2428 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2430 * configure.in (configargs.h): Define thread_model.
2431 * configure: Rebuilt.
2432 * gcc.c (main): Print it with -v.
2434 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2436 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2437 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2438 * gcc.1: Regenerate.
2440 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2442 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2443 is_redundant_typedef): Use static inline instead of inline static.
2445 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2447 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2448 this directory is always searched.
2450 2001-04-25 Richard Henderson <rth@redhat.com>
2452 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2453 of registers to restore along non eh_return path.
2455 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2457 * c-format.c (check_format_info_recurse): Handle
2458 PLUS_EXPR for format string.
2460 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2462 * config/ia64/ia64.h (CC1_SPEC): Define.
2463 * config/ia64/linux.h (CC1_SPEC): Define.
2465 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2467 * emit-rtl.c (constant_subword): Also do sign extension in
2468 BITS_PER_WORD == 16 case.
2470 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2472 * loop.c (try_swap_copy_prop): Go back to checking insn.
2474 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2476 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2477 if check_mode is non-zero.
2479 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2481 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2482 out and comparison sequence has been detected, put result into
2483 proper temporary pseudo.
2485 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2487 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2488 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2489 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2490 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2491 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2492 for future reference.
2494 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2496 * except.c (reachable_handlers): Step out one level from a RESX.
2498 * except.c (struct eh_region): Rename 'last' to 'resume'.
2499 (mark_eh_region, duplicate_eh_region_1): Adjust.
2500 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2501 (build_post_landing_pads): Likewise.
2502 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2503 (expand_eh_region_end_must_not_throw): Likewise.
2504 (connect_post_landing_pads): Thread (only) regions with non-deleted
2507 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2508 registers around the cleanup.
2509 (get_exception_filter): New fn.
2510 (finish_eh_generation): Use it.
2512 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2514 * c-semantics.c (add_scope_stmt): Don't call
2515 current_scope_stmt_stack multiple times.
2517 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2518 Nathan Sidwell <nathan@codesourcery.com>
2520 Lazy __FUNCTION__ generation.
2521 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2522 RID_C99_FUNCTION_NAME): New _RIDs.
2523 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2524 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2525 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2527 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2528 (c99_function_name_decl_node, function_name_decl_node,
2529 pretty_function_name_decl_node, saved_function_name_decls):
2531 (struct language_function): Remove x_function_name_declared_p.
2532 (make_fname_decl): Remove a parameter.
2533 (declare_function_names): Remove prototype.
2534 (start_fname_decls, finish_fname_decls): Prototype.
2535 (fname_as_string): Likewise.
2536 (fname_string, fname_decl): Likewise.
2537 * c-common.c (make_fname_decl): Adjust.
2538 (struct fname_var_t): New struct.
2539 (fname_vars): New static array.
2540 (declare_function_name): Remove.
2541 (start_fname_decls, finish_fname_decls): New functions.
2542 (fname_as_string): New function from remnants of
2543 declare_function_name.
2544 (fname_string, fname_decl): New functions.
2546 * c-decl.c (c_function_name_declared_p): Remove.
2547 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2548 don't call declare_function_name. Call start_fname_decls.
2549 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2550 clobber the line number. Call finish_decl.
2551 (start_function): Call start_fname_decls.
2552 (finish_function): Call finish_fname_decls.
2553 Remove c_function_name_declared_p.
2554 (push_c_function_context): Don't push c_function_name_declared_p.
2555 (pop_c_function_context): Don't pop c_function_name_declared_p.
2556 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2557 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2558 (program): Call finish_fname_decls for C.
2559 (primary): Add VAR_FUNC_NAME.
2560 (reswords): Add slots for __FUNCTION__ et al.
2561 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2562 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2563 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2564 * c-semantics.c (prune_unused_decls): Remove.
2565 (finish_stmt_tree): Don't call prune_unused_decls.
2566 (genrtl_decl_stmt): Don't prune unused decls here.
2568 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2570 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2571 constant pool, use the pool's SYMBOL_REF instead.
2573 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2576 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2578 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2579 passing nested NOP_EXPRs to fold.
2581 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2583 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2585 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2587 * loop.c (loop_delete_insns): Add prototype.
2589 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2591 * configure.in: Remove ENABLE_STD_NAMESPACE.
2592 * config.in: Regenerated.
2593 * configure: Regenerated.
2595 2001-04-22 Stan Shebs <shebs@apple.com>
2597 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2599 * config/rs6000/xm-darwin.h: Remove file.
2601 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2603 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2604 (write_c_file_stat): Likewise.
2606 * dbxout.c (dbxout_init): Likewise.
2608 * profile.c (output_func_start_profiler): Likewise.
2610 2001-04-22 Philipp Thomas <pthomas@suse.de>
2612 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2613 require it instead of the CVS version.
2614 * cpperror.c (v_message): Put a blank before the macro
2615 body to not confuse exgettext.
2617 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2619 * flow.c (proagate_one_insn): Remove useless assignment.
2620 * jump.c (delete_insn): Tidy.
2621 * loop.c (try_copy_prop): When deleting an instruction with a
2622 REG_RETVAL note, delete the entire libcall sequence.
2623 (loop_delete_insns): New function.
2624 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2625 we're not substituting into them yet.
2627 2001-04-21 Kazu Hirata <kazu@hxi.com>
2629 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2631 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2633 * config/i960/i960.c (signed_arith_operand): Likewise.
2635 * calls.c (expand_call): Fix a comment typo.
2637 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2639 * configure.in: Probe for times, clock, struct tms, and clock_t.
2640 * configure, config.in: Regenerate.
2641 * timevar.c: Replace ifdef forest in get_time with (relatively)
2642 straightforward series of checks based on autoconf's probes.
2644 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2646 * config/pa/som.h (NM_FLAGS): Define.
2648 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2650 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2652 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2653 * ia64.c (nop_cycles_until): New function.
2654 (prev_cycle, prev_first, last_issued): New static variables.
2655 (ia64_sched_reorder): Additional arg for clock.
2656 On final scheduling pass, emit extra NOPs as needed.
2657 Set prev_first and prev_cycle.
2658 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2659 (ia64_variable_issue): Set last_issued.
2661 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2663 * config/i386/i386.c (ix86_expand_int_movcc,
2664 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2666 2001-04-20 Geoff Keating <geoffk@redhat.com>
2668 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2669 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2670 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2671 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2672 ctrdi_internal6): In the short-branch case, this insn is only 4
2673 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2675 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2677 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2678 "=u" is used together with "st" resp. "st(1)" clobber.
2680 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2682 * gcse.c (gcse_main): Fix comment typo.
2683 (delete_null_pointer_check): Likewise.
2684 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2685 * cse.c (cse_insn): Likewise.
2686 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2689 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2691 * toplev.c: Excise all code for the undocumented -dm option.
2692 (float_signal): Call signal just once, unconditionally.
2694 2001-04-19 Geoff Keating <geoffk@redhat.com>
2696 * fold-const.c (fold): Use first_rtl_op rather than
2697 TREE_CODE_LENGTH when looping over parameters of a tree.
2698 Correct strange grouping in test for evaluated SAVE_EXPR.
2700 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2702 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2703 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2705 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2706 name at 32 total characters.
2707 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2708 functions in named sections -- data items can still go into unique
2709 sections, but they have normal names (ie $LIT$ and $DATA$).
2711 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2714 2001-04-19 DJ Delorie <dj@redhat.com>
2716 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2717 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2718 * config/i386/cygwin.h: Likewise.
2719 * config/i386/mingw32.h: Likewise.
2720 * config/vax/vms.h: Likewise.
2721 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2723 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2724 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2725 * config/i386/xm-cygwin.h: Likewise.
2726 * config/i386/xm-djgpp.h: Likewise.
2727 * config/i386/xm-mingw32.h: Likewise.
2728 * config/vax/xm-vms.h: Likewise.
2730 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2731 instead of OBJECT_SUFFIX.
2732 * collect2.c (find_a_file): Look for files matching the extension
2733 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2734 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2735 TARGET_EXECUTABLE_SUFFIX.
2736 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2737 (make_relative_prefix): Likewise.
2738 (convert_filename): Use TARGET_ suffixes throughout. Remove
2740 (process_command): Likewise.
2741 (do_spec_1): Likewise.
2742 * java/lang.c (init_parse): Likewise.
2744 * gcc.texi : Document four new options matching the pattern
2745 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2746 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2747 documentation for NO_AUTO_EXE_SUFFIX.
2749 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2751 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2752 that language-independent processing should not be done.
2753 * toplev.c (main): Adjust accordingly.
2755 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2756 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2758 * mips.md (reload_outputdi): Require that operand0 be a
2761 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2763 * invoke.texi (-Wshadow): Clarify.
2765 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2767 * loop.c (load_mems): Examine all the instructions in the loop
2768 before concluding that all jumps branch to the first instruction
2771 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2773 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2775 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2777 * cpp.texi (-Wwhite-space): Remove.
2778 (-Wall): -Wall does not imply -Wwhite-space.
2780 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2782 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2783 use it instead of blindly generating a .stabs.
2784 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2786 * xcoffout.c: Don't bother defining default for N_CATCH.
2787 (UNKNOWN_STAB): Use internal_error.
2788 (stab_to_sclass): Remove now-unnecessary aborts.
2789 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2791 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2793 * jump.c (mark_all_labels): Canonicalize the tail recursion
2794 label attached to CALL_PLACEHOLDER insns.
2796 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2798 * output.h (dump_flow_info, free_basic_block_vars,
2799 which_alternative): Delete redundant prototypes.
2801 * rtl.h (bss_section): Likewise.
2803 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2805 * dbxout.c (N_OPT): Define if not available from <stab.h>
2807 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2809 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2810 libraries and native K&R compilers.
2812 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2814 * c-typeck.c (convert_arguments): Don't check for width changes
2817 * invoke.texi (-Wtraditional): Update documentation.
2819 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2821 * toplev.c (output_lang_identify): Delete.
2822 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2823 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2824 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2825 after calling ASM_FILE_END.
2827 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2828 Instead, unconditionally emit an N_OPT stab with string equal
2829 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2831 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2833 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2834 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2835 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2836 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2837 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2838 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2839 config/i370/i370.h, config/i386/beos-elf.h,
2840 config/i386/osf1elf.h, config/i386/osfrose.h,
2841 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2842 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2843 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2844 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2845 config/mips/iris6.h, config/mips/osfrose.h,
2846 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2847 config/sparc/sp64-elf.h:
2848 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2849 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2851 * config/elfos.h, config/freebsd.h, config/linux.h,
2852 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2853 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2854 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2855 of ASM_FILE_START which merely emit a .version directive. Delete
2856 definitions of ASM_FILE_END which merely emit an .ident directive.
2858 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2859 ASM_IDENTIFY_GCC and move part of its logic into
2862 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2863 config/sparc/linux-aout.h: Don't emit .version directive in
2866 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2867 (output_file_start): Correct comment.
2869 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2870 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2872 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2873 * config/rs6000/aix.h: Correct comment.
2875 * config/i386/i386afe.h: Delete.
2876 * config.gcc: Remove references to i386afe.h.
2878 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2879 other macros deleted by this patch were undocumented.
2881 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2883 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2885 * pa.c (secondary_reload_class): SAR<->FP copies require a
2888 * install.texi (mips-mips-bsd): Update list of functions
2889 required to include memmove.
2890 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2891 used functions to include memmove.
2893 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2895 * i386.md (sqrtdf2): SFmode should be DFmode.
2897 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2899 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2900 (find_moveable_store): Likewise.
2902 2001-04-15 Jim Wilson <wilson@redhat.com>
2904 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2906 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2908 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2909 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2911 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2913 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2916 2001-04-14 Alan Modra <amodra@one.net.au>
2918 * pa.c (force_mode): New function.
2919 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2921 2001-04-13 Jim Wilson <wilson@redhat.com>
2923 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2924 (first_instruction): New static variable.
2925 (rtx_needs_barrier): Return 1 for alloc.
2926 (init_insn_group_barriers): Set first_instruction.
2927 (rws_sum): Delete duplicate definition.
2928 (group_barrier_needed_p): Return 0 when first_instruction true.
2929 (safe_group_barrier_needed_p): Save and restore first_instruction
2930 around group_barrier_needed_p call.
2932 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2934 * expr.h (enum libfunc_index): Add LTI_memmove.
2935 (memmove_libfunc): Define macro.
2936 * optabs.c (init_optabs): Initialize memmove_libfunc.
2937 * expr.c (expand_assignment): Use memmove_libfunc instead of
2940 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2942 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2945 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2947 * Makefile.in (reg-stack.o): Depend on reload.h.
2948 (insn-attrtab.o): Depend on flags.h.
2950 * genattrtab (main): Include flags.h in insn-attrtab.c.
2952 * reg-stack.c: Include reload.h.
2954 * sparc.h (flag_pic): Delete redundant declaration.
2956 * output.h (flag_pic): Likewise.
2958 * tree.h (pedantic): Likewise.
2960 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2962 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2964 * jump.c, regmove.c, toplev.c: Include reload.h.
2966 * reload.h (reload_cse_regs): Declare.
2968 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2969 reload_cse_regs, init_reload, mark_home_live, reload,
2970 init_caller_save): Delete redundant prototypes.
2972 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2974 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2976 * regclass.c, ssa.c: Include expr.h.
2978 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2979 gen_move_insn): Delete redundant declarations.
2981 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2983 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2984 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2985 MAKEINFO and MAKEINFOFLAGS too.
2986 (stage4_build): Correctly order -B flags.
2988 2001-04-13 Alan Modra <amodra@one.net.au>
2990 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2991 PIC_OFFSET_TABLE_SAVE_RTX.
2992 (zdepi_cint_p): Describe zdepi insn.
2993 Formatting and white space fixes throughout file.
2995 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2996 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2997 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2998 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2999 (output_64bit_and): Use plain `int's for shift counts.
3000 (output_64bit_ior): Likewise.
3001 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3002 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3005 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3006 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3007 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3008 NEW_HP_ASSEMBLER into one. Kill warnings.
3010 * pa-gas.h: Delete file.
3011 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3012 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3013 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3014 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3016 * config/pa/mill32.S: New file.
3017 * config/pa/mill64.S: New file.
3018 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3019 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3020 * config/pa/t-linux64: New file.
3021 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3022 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3023 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3025 * elfos.h (SELECT_SECTION): Undef before defining.
3026 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3027 (LIB_SPEC): Remove -lmilli.
3028 (DBX_REGISTER_NUMBER): Remove.
3029 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3030 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3031 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3032 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3033 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3034 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3035 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3036 TARGET_GAS): Define.
3037 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3038 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3039 regs if we don't have a prototype.
3040 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3041 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3042 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3043 EH_RETURN_HANDLER_RTX): Define.
3044 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3045 (DWARF_FRAME_REGNUM): Define.
3046 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3047 * pa32-linux.h: New file.
3048 * pa64-linux.h: New file.
3050 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3051 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3052 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3053 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3054 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3055 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3056 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3057 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3058 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3059 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3060 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3061 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3062 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3063 * pa64-hpux.h: New file.
3064 (ASM_FILE_START): Correct typo.
3065 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3066 * config.gcc: Modify for above.
3068 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3070 * jump.c (jump_optimize_1): Don't delete dead stores here.
3071 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3072 prior to running jump optimize before cse2.
3074 2001-04-12 Richard Henderson <rth@redhat.com>
3076 * Makefile.in (regmove.o): Depend on except.h.
3077 * regmove.c: Include it.
3079 2001-04-12 Stan Shebs <shebs@apple.com>
3081 * objc/objc-act.c: Remove all code ifdefed with the never-used
3082 macro OBJC_INT_SELECTORS.
3083 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3084 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3086 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3088 * config/pa/quadlib.c: Add prototypes.
3090 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3092 * bitmap.h (debug_bitmap): Delete redundant prototype.
3094 * rtl.h (get_frame_size): Likewise.
3096 2001-04-12 Jim Wilson <wilson@redhat.com>
3098 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3099 to just emit an fnorm.
3101 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3103 * c-common.h (truthvalue_conversion, type_for_mode,
3104 type_for_size): Delete redundant declarations.
3106 * c-lex.h (is_class_name): Likewise.
3108 * c-tree.h (pedantic, convert, getdecls, gettags,
3109 global_bindings_p, init_decl_processing, insert_block,
3110 maybe_build_cleanup, poplevel, print_lang_decl,
3111 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3112 set_block, incomplete_type_error, build_function_call,
3113 lvalue_or_else, mark_addressable): Likewise.
3115 * expr.h (expand_tree_builtin): Likewise.
3117 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3119 * invoke.texi: Document --param max-gcse-memory.
3121 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3123 * configure.in (errno): Check for declaration.
3124 * configure, config.in: Regenerated.
3126 * system.h (errno): Only declare if not already done.
3128 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3130 * recog.c (general_operand, immediate_operand,
3131 nonmemory_operand): Require CONST_INTs to be sign-extended
3132 values for their modes.
3134 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3136 * expmed.c (store_bit_field): Truncate CONST_INTs.
3137 (expand_mult_highpart, expand_divmod): Likewise.
3138 * expr.c (convert_modes, store_field): Likewise.
3139 * integrate.c (expand_inline_function): Use promote_mode() to
3140 determine whether to convert_modes() an argument as signed
3142 * optabs.c (expand_binop): Get CONST_INT operands
3143 sign-extended for their appropriate modes.
3144 * stmt.c (emit_case_nodes): Convert node values to the
3146 (expand_end_case): Convert minval and range to the appropriate
3148 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3149 the iteration variable.
3150 * varasm.c (immed_double_const): Don't require words to be
3151 narrower than host wide ints to properly sign-extend
3154 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3156 * sh.md (builtin_setjmp_receiver): New expander.
3158 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3160 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3161 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3162 for generating CONST_INT and CONST_DOUBLE.
3164 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3166 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3167 already sign-extended.
3168 (rs6000_emit_prologue): Make register iterator signed.
3169 (rs6000_emit_epilogue): Likewise.
3170 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3172 (movsf split, movdf split): Sign-extend CONST_INTs.
3173 (movdi splits): Likewise.
3175 2001-04-12 Kelley Cook <kelley.cook@home.com>
3177 * config-lang.in (lang_dirs): Add in zlib.
3179 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3181 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3182 operands that make it to RTL.
3184 2001-04-11 Stan Shebs <shebs@apple.com>
3186 Add Darwin (Mac OS X kernel) native support.
3187 * config.gcc (powerpc-*-darwin*): Add native bits.
3188 * config/darwin.c: New file, generic Darwin support functions.
3189 * config/darwin.h: New file, generic Darwin definitions.
3190 * config/darwin-protos.h: New file, generic Darwin prototypes.
3191 * rs6000/darwin.h: New file, Darwin for PowerPC.
3192 * rs6000/t-darwin: New file, Darwin makefile fragment.
3193 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3194 (TARGET_MACHO): Ditto.
3195 (rs6000_abi): Add ABI_DARWIN.
3196 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3197 (RS6000_SAVE_AREA): Ditto.
3198 (FP_ARG_MAX_REG): Ditto.
3199 (RETURN_ADDRESS_OFFSET): Ditto.
3200 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3202 (rs6000_emit_move): Add ABI_DARWIN cases.
3203 (print_operand): Ditto.
3204 (first_reg_to_save): Ditto.
3205 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3206 (debug_stack_info): Ditto.
3207 (rs6000_emit_prologue): Ditto.
3208 (rs6000_emit_epilogue): Ditto.
3209 (output_profiler_hook): Ditto.
3210 (output_function_profiler): Ditto.
3211 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3212 (output_mi_thunk): Add TARGET_MACHO case.
3213 (add_compiler_stub): Ditto.
3214 (output_compiler_stub): Ditto.
3215 (no_previous_def): Ditto.
3216 (output_call): Ditto.
3217 (machopic_output_stub): Ditto.
3218 (rs6000_machopic_legitimize_pic_address): Ditto.
3219 (toc_section): Ditto.
3220 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3221 (macho_high): Ditto.
3224 (load_macho_picbase): Ditto.
3225 (call): Add TARGET_MACHO case to modify function.
3226 (call_value): Ditto.
3227 (call_nonlocal_sysv): Add ABI_DARWIN case.
3228 (call_value_nonlocal_sysv): Ditto.
3229 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3231 (machopic_output_stub): Ditto.
3232 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3234 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3236 * dwarf2out.c (modified_type_die): Don't create new types here.
3237 * tree.h (get_qualified_type): New function.
3238 (build_qualified_type): Adjust comment.
3239 * tree.c (get_qualified_type): New function.
3240 (build_qualified_type): Use it.
3242 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3244 * cpp.texi (-Wtraditional): Update description.
3246 * invoke.texi (-Wtraditional): Likewise.
3248 2001-04-11 Jim Wilson <wilson@redhat.com>
3250 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3251 requires more than 64 bits of alignment.
3253 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3255 * cpplib.c (do_line): Sanity check iff enable checking.
3257 2001-04-11 Richard Henderson <rth@redhat.com>
3259 * Makefile.in (insn-recog.o): Depend on toplev.h.
3260 (insn-emit.o, doloop.o): Likewise.
3261 * genrecog.c, genemit.c: Include toplev.h in generated file.
3262 * doloop.c: Include toplev.h.
3264 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3266 * Makefile.in (gcse.o): Depend on params.h.
3267 * gcse.c: Include params.h.
3268 (gcse_main): Don't do GCSE if doing so will take inordinate
3270 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3271 * params.h (MAX_GCSE_MEMORY): New macro.
3273 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3275 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3277 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3279 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3281 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3283 * real.h (ereal_atof, real_value_truncate, target_isnan,
3284 target_isinf, target_negative, assemble_real, debug_real): Delete
3285 redundant prototypes.
3287 * Makefile.in (ifcvt.o): Depend on toplev.h.
3289 * c-semantics.c: Include expr.h.
3291 * ifcvt.c: Include toplev.h.
3293 * expr.h (rtx_equal_p): Delete prototype.
3295 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3296 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3297 eliminate_constant_term, expand_complex_abs, find_single_use,
3298 make_tree, init_expr_once, init_optabs, supports_one_only):
3301 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3302 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3303 expand_assignment, store_expr, emit_line_note_after,
3304 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3306 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3308 * sparc-protos.h: Delete redundant prototypes.
3310 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3312 * reload.c (push_reload): Add condition missed in SUBREG byte
3315 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3317 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3319 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3321 * i386.md (floatsisf_sse): Fix output template
3322 * i386.c (ix86_expand_fp_movcc)
3324 * reg-stack.c (emit_pop_insn): Handle complex modes.
3325 (move_for_stack_reg): Emit proper move mode.
3326 (subst_stack_regs_pat): Handle complex modes.
3328 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3330 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3332 2001-04-10 Richard Henderson <rth@redhat.com>
3334 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3335 (__pure_virtual, __terminate, __terminate_set_func,
3336 __default_terminate, __throw_type_match, __empty,
3337 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3338 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3339 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3340 Remove prototypes of deleted functions.
3342 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3344 * c-typeck.c (convert_arguments): -Wtraditional now activates
3345 -Wconversion warnings, except for changes in signed-ness.
3346 Detect complex<->int & int<->complex conversions as well.
3348 * invoke.texi (-Wtraditional): Document it.
3350 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3352 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3353 * flow.c (set_block_for_new_insns): Remove needless cast and
3354 properly check for unset block number.
3356 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3358 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3359 the subreg was a hard register. Pseudos are left as subregs.
3361 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3363 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3364 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3365 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3366 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3367 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3369 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3371 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3373 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3375 * output.h (set_block_num): Missed it earlier, remove deprecated
3378 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3380 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3381 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3382 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3383 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3384 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3385 (expr_killed_p): Change bb parameter from int to basic_block, pass
3386 basic_blocks instead of ints as parameters.
3387 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3388 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3389 from int to basic_block, pass basic_blocks instead of ints as parms.
3390 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3391 parameter from int to basic_block, pass basic_blocks instead of ints.
3392 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3393 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3394 pass basic_blocks instead of ints.
3395 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3396 basic_blocks instead of ints as parameters.
3397 (pre_delete): Pass basic_blocks instead of ints as parameters.
3398 (hoist_expr_reaches_here_p): Change bb parameter from int to
3399 basic_block, pass basic_blocks instead of ints.
3400 (hoist_code): Pass basic_blocks instead of ints as parameters.
3401 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3402 Change bb parameter from int to basic_block.
3403 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3404 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3405 pass basic_blocks instead of ints.
3406 (insert_store): Pass basic_blocks instead of ints as parameters.
3407 (replace_store_insn, delete_store): Change bb parameter from int to
3408 basic_block, pass basic_blocks instead of ints.
3409 (store_motion): Pass basic_blocks instead of ints as parameters.
3411 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3413 * basic-block.h (set_new_block_for_insns): New Prototype.
3414 (set_block_num): Delete prototype.
3415 * flow.c (set_block_num): Remove obsolete function.
3416 (set_block_for_new_insns): Set BB for single or multiple insns.
3417 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3418 (process_insn_end_bb): Use set_block_for_new_insns or
3419 set_block_for_insn instead of set_block_num.
3420 (pre_insert_copy_insn): Use set_block_for_new_insns.
3421 (update_ld_motion_stores): Use set_block_for_new_insns.
3422 (insert_insn_start_bb): Use set_block_for_new_insns.
3423 (replace_store_insn): Use set_block_for_new_insns.
3425 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3426 Jeff Law <law@redhat.com>
3428 * alias.c (get_addr): Externalize.
3429 (canon_true_dependence): New function. Behaves like true_dependance
3430 except it already assumes a MEM has been canonicalized.
3431 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3432 * gcse.c (struct ls_expr): Add load/store expressions structure.
3433 (modify_mem_list, canon_modify_mem_list): New variable.
3434 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3435 load motion and store motion if requested.
3436 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3437 (free_gcse_mem): Free the modify_mem_list array.
3438 (oprs_unchanged_p): Use load_killed_in_block_p.
3439 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3440 (mems_conflict_for_gcse_p): New function. Don't kill loads
3441 with stores to themselves if its in the load/store expression list.
3442 (load_killed_in_block_p): New function.
3443 (canon_list_insert): New Function.
3444 (record_last_mem_set_info): Keep a list of all instructions which
3445 can modify memory for each basic block.
3446 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3447 (oprs_not_set_p): Use load_killed_in_block_p.
3448 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3449 (expr_killed_p): Use load_killed_in_block_p.
3450 (compute_transp): Do not pessimize memory references.
3451 (pre_edge_insert): Update stores for a load motion expression.
3452 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3453 (ldst_entry): Find or create a ldst_expr structure.
3454 (free_ldst_entry): Free memory for an individual item.
3455 (free_ldst_mems): Free entire load/store expression list.
3456 (print_ldst_list): Print debug info.
3457 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3458 (enumerate_ldsts): Assign integer values to each entry in list.
3459 (first_ls_expr): First expression in the list.
3460 (next_ls_expr): Next expression in the list.
3461 (simple_mem): Check if expression qualifies for ld/st expression list.
3462 (invalidate_any_buried_refs): Remove from expression list if its
3463 used in some other way we dont understand.
3464 (compute_ld_motion_mems): Find all potential enhanced load motion
3466 (trim_ld_motion_mems): Remove any expressions which are invalid.
3467 (update_ld_motion_stores): Copy store values to registers for loads
3468 which have been moved.
3469 (regvec, st_antloc, num_store): New global statics.
3470 (reg_set_info): Marks registers as set.
3471 (store_ops_ok): Verfies registers expressions are valid in a block.
3472 (find_moveable_store): Look for moveable stores in a pattern.
3473 (compute_store_table): Find stores in a function worth moving, maybe.
3474 (load_kills_store): Check dependance of a load and store.
3475 (find_loads): Find any loads in a pattern.
3476 (store_killed_in_insn): Check if a store is killed in an insn.
3477 (store_killed_after): Check is store killed after an insn in a block.
3478 (store_killed_before): Check is store killed before an insn in a block.
3479 (build_store_vectors): Generate the antic and avail vectors.
3480 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3481 (insert_store): Add a store to an edge.
3482 (replace_store_insn): Replace a store with a SET insn.
3483 (delete_store): Delete a store insn.
3484 (free_store_memory): Free memory.
3485 (store_motion): Perform store motion.
3486 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3487 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3488 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3489 (f_options): Add gcse-lm and gcse-sm.
3491 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3493 * i386.c (expand_fp_movcc): Fix condition reversal code.
3495 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3496 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3497 (CLASS_MAX_NREGS): Use it.
3499 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3500 handle properly complex values.
3501 (CLASS_MAX_NREGS): Likewise; update comment.
3503 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3505 * ia64.c (ia64_flag_schedule_insns2): New variable.
3506 (ia64_override_options): Initialize it. Clear
3507 flag_schedule_insns_after_reload.
3508 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3510 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3512 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3513 Do not require source to match destination anymore;
3514 Add abort to the nontrivial cases that should be handled by split.
3515 (fix_trunc?fdi): Add SSE case for x86_64.
3516 (floatdi?f): Likewise.
3517 (floatdi?f_sse): New.
3518 (fix_trunc?fdi_sse): New.
3520 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3522 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3523 (DEBUG_ARANGES_END_LABEL): Ditto.
3524 (dwarfout_init): Generate length and version fields at the start
3525 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3526 after the length field.
3527 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3528 the .debug_aranges info.
3530 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3532 * i386.c (call, call_value): Make sure that resulting call_insn
3533 does have proper second operand.
3535 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3537 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3538 function. Remove include of sys/cygwin.h.
3540 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3542 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3543 (CPP_SPEC): Always search */include/w32api for header files.
3544 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3545 (LINK_SPEC): Add "cyg" to the library search prefixes.
3547 2001-04-08 Philip Blundell <philb@gnu.org>
3549 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3551 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3553 * cpperror.c (print_location): Don't special case <stdin>.
3554 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3555 WARNING, but we don't check if we're in system headers.
3556 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3557 * cpplib.c (do_warning): Warn in system headers.
3559 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3561 * mbchar.c: Include config.h first.
3563 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3565 * config.gcc: Set default for xmake_file at top, not bottom.
3566 Change places that set xmake_file to "none" to set to the
3567 empty string instead, or remove them entirely if there is no
3568 default xmake_file for this cpu_type. Remove references to
3571 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3572 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3573 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3574 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3575 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3576 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3577 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3578 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3579 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3580 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3583 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3584 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3585 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3586 config/mips/x-sysv, config/rs6000/x-aix31:
3587 Just set CLIB to -lld or -lmld, as appropriate.
3589 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3590 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3591 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3592 config/mips/x-iris, config/pa/x-pa:
3593 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3594 OTHER_FIXINCLUDES_DIRS.
3596 * config/i386/x-djgpp: Don't set LN or LN_S.
3597 * config/m88k/x-dolph: Don't define __m88k__.
3598 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3599 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3600 * config/i860/fx2800.h: No need to #undef SVR4.
3602 38 x-host fragments remain, 2 x-cpu.
3604 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3606 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3608 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3610 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3612 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3614 * configure.in: Add check for lstat.
3615 * configure, config.in: Regenerate.
3616 * cppinit.c (append_include_chain): Make empty path ".".
3617 * cpplib.c (do_line): Don't simplify #line paths.
3618 * cppfiles.c (remove_component_p): New function.
3619 (find_or_create_entry): Acknowledge stat () errors during
3620 path simplification.
3621 (handle_missing_header): Don't simplify paths.
3622 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3623 the empty path untouched. Don't leave a trailing '/'.
3625 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3627 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3628 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3630 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3632 * cppfiles.c (open_file): Fail directories silently, but
3633 with an errno of NOENT set.
3634 (read_include_file): Move the common exit code to the sole
3635 caller. Return an int indicating success or failure. Let
3636 open_file handle directories.
3637 (stack_include_file): If read_include_file fails,
3638 push a "null" buffer.
3640 2001-04-05 DJ Delorie <dj@redhat.com>
3642 * function.h (virtuals_instantiated): Declare.
3643 * function.c: (virtuals_instantiated): Make global.
3644 * calls.c (emit_library_call_value_1): Use
3645 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3646 Otherwise, use the stack pointer directly.
3648 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3650 * i386.c (x86_initialize_trampoline): New global function.
3651 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3652 (INITIALIZE_TRAMPOLINE): Move offline.
3653 * i386-protos.h (x86_initialize_trampoline): Declare.
3655 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3657 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3658 (lea_0): Rename to lea_1.
3659 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3660 (lea_general_?): Allow SImodes on TARGET_64BIT
3661 (lea_general_?_zext): New patterns.
3662 (call_1, call_1_rex64): Fix.
3664 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3666 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3668 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3670 * i386.c (function_arg): Return constm1_rtx for last argument.
3671 (ix86_expand_prologue): Update gen_call calls.
3672 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3673 * i386.md (call_pop): Likewise.
3674 (call): Second operand is VOIDmode.
3675 (call_0): Likewise; Support 64bits.
3676 (call_exp): New expander.
3677 (call_1): Get to the sync.
3678 (call_1_exp): New pattern.
3679 (call_value): Support 64bit.
3680 (call_value_exp): New pattern.
3681 (untyped_call): Update gen_call call.
3682 (call_value_pop): Disable for 64bit.
3683 (call_value_0_rex64): New pattern.
3684 (call_value_1_rex64): Likewise.
3686 2001-04-05 Bo Thorsen <bo@suse.de>
3688 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3690 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3692 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3693 satisfies ANY_QI_REG_P.
3695 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3697 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3700 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3703 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3705 * config.gcc: Remove default for xm_file. Clean up local
3706 machine type handling. Remove settings of xm_file to
3707 something that doesn't exist. In the big switch, set xm_file,
3708 don't append to it (the value before the big switch is always
3709 null). Don't force build_xm_file or host_xm_file to have a value.
3710 * configure.in: Remove default for xm_file. Do not special
3711 case $cpu/xm-$cpu.h not existing.
3712 * configure: Regenerate.
3714 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3716 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3717 when folding integer division and modulo operations.
3719 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3721 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3722 instead of DWARF2_ADDR_SIZE for EH addresses.
3723 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3726 2001-04-04 Richard Henderson <rth@redhat.com>
3728 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3729 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3730 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3732 2001-04-04 Richard Henderson <rth@redhat.com>
3734 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3735 * configure: Rebuilt.
3737 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3739 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3740 push insns to delete to it instead of deleting them.
3741 (delete_null_pointer_checks): Delete insns from delete_list after
3742 all delete_null_pointer_checks_1 passes are done.
3744 2001-04-04 Richard Henderson <rth@redhat.com>
3746 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3747 * configure: Rebuilt.
3749 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3751 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3752 * config/romp/xm-romp.h: Delete.
3754 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3756 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3759 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3761 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3762 all labels present in rtx.
3763 (try_split) Call new function for all split insns.
3765 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3767 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3768 sure the change won't be validated.
3770 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3772 * rtl.h (set_noop_p): Declare.
3773 * flow.c (set_noop_p): Move from here ...
3774 * rtlanal.c (set_noop_p): ... to here and enhance.
3775 * cse.c (delete_trivially_dead_insns): Use it.
3776 * gcse.c (hash_scan_set): Likewise.
3777 * jump.c (delete_noop_moves): Likewise.
3778 * recog.c (split_all_insns): Likewise.
3780 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3782 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3783 stack pointer via a LO_SUM. Ditto for setting a temp register
3784 used to save to the stack. Set cfa_temp when setting fp, and
3785 allow matches to cfa_temp in addition to cfa_store when saving
3786 regs. Handle POST_INC and LO_SUM register stores. Document the
3787 changes and errors in rule 12 doco.
3789 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3790 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3791 (load_reg): Move closer to epilogue code.
3792 (DO_FRAME_NOTES): Define to control the following..
3793 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3794 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3796 (hppa_expand_epilogue): Likewise.
3798 2001-04-03 Richard Henderson <rth@redhat.com>
3800 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3801 * configure: Rebuild.
3803 2001-04-03 Richard Henderson <rth@redhat.com>
3805 * rtl.h (LCT_THROW): New.
3806 * calls.c (emit_library_call_value_1): Handle it.
3807 * except.c (connect_post_landing_pads): Use it.
3809 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3811 * gansidecl.h: Delete file.
3812 * configure.in: Change all refs to gansidecl.h to use
3813 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3815 * configure: Regenerate.
3817 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3818 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3819 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3820 Don't include gansidecl.h.
3821 * intl.c, main.c, version.c, fixinc/fixlib.h,
3822 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3825 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3827 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3830 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3832 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3833 config/i386/xm-next.h, config/i386/xm-sco.h,
3834 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3835 config/m88k/xm-m88k.h: Delete.
3837 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3838 * config/romp/xm-romp.h: Don't define bcopy.
3839 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3840 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3842 * config.gcc: Remove references to deleted files.
3844 14 xm-host.h remain, 1 xm-cpu.h.
3846 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3847 David S. Miller <davem@pierdol.cobaltmicro.com>
3848 Andrew MacLeod <amacleod@redhat.com>
3850 Use byte offsets in SUBREGs instead of words.
3852 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3853 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3854 to pass new argument.
3855 (add_stored_regs): Use subreg_regno_offset function.
3856 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3858 (precompute_arguments): Use gen_lowpart_SUBREG.
3859 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3860 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3861 (simplify_set): Rework to use SUBREG_BYTE.
3862 (expand_field_assignment): Use SUBREG_BYTE.
3863 (make_extraction): Use SUBREG_BYTE.
3864 (if_then_else_cond): Use SUBREG_BYTE.
3865 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3866 (gen_lowpart_for_combine): Compute full byte offset.
3867 * cse.c (mention_regs): Use SUBREG_BYTE.
3868 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3869 (canon_hash): Use SUBREG_BYTE.
3870 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3871 (gen_lowpart_if_possible): Formatting.
3872 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3874 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3875 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3876 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3877 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3878 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3879 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3880 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3881 certain invariants about SUBREGs the compiler creates.
3882 (gen_lowpart_SUBREG): New function.
3883 (subreg_hard_regno): New function to get the final register number.
3884 (gen_lowpart_common): Use SUBREG_BYTE.
3885 (gen_imagpart): Spacing nits.
3886 (subreg_realpart_p): Use SUBREG_BYTE.
3887 (gen_highpart): Use SUBREG_BYTE.
3888 (subreg_lowpart_p): Always compute endian corrected goal offset,
3889 even at the byte level, then compare against that.
3890 (constant_subword): New function, pulled out all constant cases
3891 from operand_subword and changed second argument name to offset.
3892 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3893 and call constant_subword to do the work. Return const0_rtx if
3894 looking for a word outside of OP.
3895 (operand_subword_force): Change second arg name to offset.
3896 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3897 (store_split_bit_field): Use SUBREG_BYTE.
3898 (extract_bit_field): Use SUBREG_BYTE.
3899 (extract_split_bit_field): Use SUBREG_BYTE.
3900 (expand_shift): Use SUBREG_BYTE.
3901 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3902 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3903 * flow.c (set_noop_p): Use SUBREG_BYTE.
3904 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3905 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3906 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3908 (optimize_bit_field): Use SUBREG_BYTE.
3909 (purge_addressof_1): Use SUBREG_BYTE.
3910 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3911 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3912 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3913 * gengenrtl.c (special_rtx): Add SUBREG.
3914 * global.c (mark_reg_store): Use SUBREG_BYTE.
3915 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3916 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3917 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3918 final byte offset is congruent to subreg's mode size.
3919 (subst_constants): Use SUBREG_BYTE.
3920 (mark_stores): Use subreg_regno_offset function.
3921 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3922 function and SUBREG_BYTE.
3923 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3924 (reg_is_born): Use subreg_hard_regno.
3925 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3926 endian correction code. Don't combine subregs unless resulting
3927 offset aligns with type. Fix subreg constant extraction for DImode.
3928 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3929 (general_operand): Remove dead mode_altering_drug code.
3930 (indirect_operand): Use SUBREG_BYTE.
3931 (constrain_operands): Use subreg_regno_offset function.
3932 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3933 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3934 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3935 * regs.h (REG_SIZE): Allow target to override.
3936 (REGMODE_NATURAL_SIZE): New macro which target can override.
3937 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3938 on the entire subreg rtx.
3939 (push_reload): Use SUBREG_BYTE in comments and code.
3940 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3941 for hard registers inside subregs.
3942 (operands_match_p): Use subreg_regno_offset.
3943 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3944 containing hard regs.
3945 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3946 corrections when fixing up MEM subregs.
3947 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3948 subreg_regno_offset where appropriate.
3949 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3950 byte endian corrections when fixing up MEM subregs.
3951 (subst_reloads): When combining two subregs, make sure final
3952 offset is congruent to subreg's mode size.
3953 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3954 (refers_to_regno_for_reload_p): Use subreg_regno.
3955 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3956 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3957 correction code for memory subreg fixups.
3958 (forget_old_reload_1): Use subreg_regno_offset.
3959 (choose_reload_regs): Use subreg_regno.
3960 (emit_input_reload_insns): Use SUBREG_BYTE.
3961 (reload_combine_note_store): Use subreg_regno_offset.
3962 (move2add_note_store): Use subreg_regno_offset.
3963 * resource.c (update_live_status, mark_referenced_resources): Use
3964 subreg_regno function.
3965 (mark_set_resources): Use subreg_regno function.
3966 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3967 (subreg_regno_offset, subreg_regno): Define prototypes.
3968 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3969 (gen_lowpart_SUBREG): Add prototype.
3970 * rtl.texi (subreg): Update to reflect new byte offset representation.
3971 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3972 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3973 (reg_overlap_mentioned_p): Use subreg_regno.
3974 (replace_regs); Make sure final offset of combined subreg is
3975 congruent to size of subreg's mode.
3976 (subreg_regno_offset): New function.
3977 (subreg_regno): New function.
3978 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3979 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3980 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3981 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3982 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
3983 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
3984 (a29k_get_reloaded_address): Use SUBREG_BYTE.
3985 (print_operand): Use SUBREG_BYTE.
3986 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
3987 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3988 (arm_reload_out_hi): Use SUBREG_BYTE.
3989 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3990 instead of SUBREG_WORD.
3991 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3992 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3993 SUBREG creation to use byte offset.
3994 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3995 inverted load insns): Fix explicit rtl subregs to use byte
3997 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3998 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3999 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4000 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4001 to use byte offsets.
4002 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4003 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4004 offsets, also make sure it is congruent to SUBREG's mode size.
4005 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4006 unnamed ldob insn): Generate SUBREGs with byte offset.
4007 (zero_extendqihi2): SUBREG's are byte offsets.
4008 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4009 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4010 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4011 zero-extendqisi2): Generate SUBREGs with byte offset.
4012 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4013 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4014 subregs in rtl to use byte offsets.
4015 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4016 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4017 (mips_move_2words): Use subreg_regno_offset.
4018 (mips_secondary_reload_class): Use subreg_regno_offset.
4019 * config/mips/mips.md (DImode plus, minus, move, and logical op
4020 splits): Fixup explicit subregs in rtl to use byte offsets.
4021 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4022 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4023 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4024 rtl to use byte offsets.
4025 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4026 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4027 subregs to use byte offsets.
4028 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4029 Fixup explicit subregs in rtl to use byte offsets.
4030 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4031 and remove byte endian correction code.
4032 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4033 (gen_ashift_hi): Use SUBREG_BYTE.
4034 (regs_used): Use subreg_regno_offset.
4035 (machine_dependent_reorg): Use subreg_regno_offset.
4036 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4037 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4038 (movdf_i4): Subregs are byte offsets now.
4039 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4040 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4041 (REGMODE_NATURAL_SIZE): Override.
4042 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4043 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4045 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4046 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4047 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4048 it is congruent to SUBREG's mode size.
4049 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4051 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4052 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4053 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4054 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4055 * config/v850/v850.c (print_operand, output_move_double): Use
4056 subreg_regno function.
4058 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4060 * configure.in (target_subdir): Use target_alias, not target.
4061 * configure: Rebuilt.
4063 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4065 * config/sh/crti.asm: Fix typos in comments.
4067 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4069 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4070 TARGET_FAST_INDIRECT_CALLS.
4071 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4073 (return_addr_rtx): Short circuit export stub matching when
4074 TARGET_NO_SPACE_REGS.
4075 (output_millicode_call): For out of range calls, make -fPIC
4076 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4077 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4078 * pa.md: Modify length attr calculation of all millicode insns to
4081 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4083 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4084 Require at least 2.11 in the version test. Specifically check
4085 for and reject GAS version 2.10.90.
4086 * configure: regenerate.
4088 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4090 * pa.c (override_options): Remove PIC profiling warning.
4091 (hp_profile_labelno): Delete.
4092 (hp_profile_label_rtx): Delete.
4093 (hp_profile_label_name): Delete.
4094 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4095 (output_function_prologue): Remove profiling code and all tests on
4096 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4097 merge_sp_adjust_with_store can work for PIC and profiling.
4098 (hppa_expand_epilogue): Remove profile_flag test.
4099 (hppa_can_use_return_insn_p): Likewise.
4100 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4101 cater for PROFILE_HOOK.
4102 (hppa_profile_hook): New function.
4103 * pa.h (FUNCTION_PROFILER): Now does nothing.
4104 (PROFILE_HOOK): Define.
4105 (hppa_profile_hook): Declare.
4106 (PROFILE_BEFORE_PROLOGUE): Delete.
4107 (ASM_OUTPUT_REG_PUSH): Delete.
4108 (ASM_OUTPUT_REG_POP): Delete.
4109 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4110 r24. Accept function name operand, and use this and a locally
4111 generated label to calculate pc-rel offset to func start.
4113 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4115 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4116 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4119 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4121 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4122 LO_SUM cases to where they belong.
4124 2001-04-02 Richard Henderson <rth@redhat.com>
4126 * except.h (lang_eh_type_covers): Mark extern.
4127 (lang_eh_runtime_type): Likewise.
4129 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4131 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4132 gengenrtl.c: Wrap generated header in multiple-include guard.
4133 Improve error checking.
4135 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4137 * configure.in: Don't check for putenv.
4138 * configure: Regenerate.
4139 * gcc.c (putenv): Don't define.
4140 * vax/xm-vms.h: Handle putenv.
4142 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4144 * ifcvt.c (noce_emit_move_insn): New.
4145 (noce_try_store_flag, noce_try_store_flag_constants,
4146 noce_try_store_flag_inc, noce_try_store_flag_mask,
4147 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4148 noce_try_abs): Use it.
4149 (noce_process_if_block): Likewise.
4150 For STRICT_LOW_PART, take mode from its SUBREG.
4152 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4154 * fold-const.c (fold): Before optimizing unsigned comparison with
4155 0x7fffffffU, make sure arg0 is integral type.
4157 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4159 * c-tree.texi: Document representation of wide strings.
4161 2001-04-01 Richard Henderson <rth@redhat.com>
4163 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4165 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4167 * i386.md: remove obsoleted comments.
4168 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4169 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4170 fix output template.
4172 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4174 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4176 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4178 * loop.c (load_mems): When generating a load from a pseudo, update
4181 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4183 * i386.c (ix86_split_long_move): Use change address to compensate
4184 stack pointer change in push instruction.
4186 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4188 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4189 instead of rtx_equal_p; fix the output template.
4191 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4193 * i386.c (ix86_expand_setcc): Support 64bit.
4194 (ix86_expand_int_movcc): Likewise.
4195 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4198 * i386.md (allocate_stack_worker): Turn to expander.
4199 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4201 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4203 2001-03-29 Richard Henderson <rth@redhat.com>
4205 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4207 2001-03-28 Matthew Hiller <hiller@redhat.com>
4209 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4212 * MAINTAINERS: Added self.
4214 2001-03-28 Richard Henderson <rth@redhat.com>
4216 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4217 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4219 2001-03-28 Jim Wilson <wilson@redhat.com>
4221 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4224 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4226 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4228 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4231 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4233 2001-03-28 DJ Delorie <dj@redhat.com>
4235 * Makefile.in (stage1_build): Revert CFLAGS patch.
4237 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4239 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4240 when multiplier or multiplicand is zero.
4242 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4244 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4246 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4248 (set_src_needs_barrier): Likewise.
4249 (rtx_needs_barrier): For SET case, use these two functions. Rework
4250 PARALLEL case to handle all inputs before all outputs.
4251 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4252 saw a label and no stop bit since then.
4253 (maybe_rotate, process_epilogue): Add prototypes.
4255 2001-03-28 Richard Henderson <rth@redhat.com>
4257 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4258 not TARGET_TOC for special toc restore handling.
4259 * config/rs6000/rs6000.md (eh_return): Likewise.
4261 2001-03-28 Richard Henderson <rth@redhat.com>
4263 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4264 current_function_calls_eh_return.
4265 (output_function_epilogue): Handle eh_return.
4266 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4267 (EH_RETURN_DATA_REGNO): New.
4268 (EH_RETURN_STACKADJ_RTX): New.
4269 (EH_RETURN_HANDLER_RTX): New.
4270 * config/sparc/sparc.md (call/short branch peepholes): Check
4271 can_throw_internal instead of in_same_eh_region.
4273 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4274 for eh_return data registers.
4275 (rs6000_emit_prologue): Save eh_return data registers.
4276 (rs6000_emit_epilogue): Force inline restores if eh_return.
4277 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4278 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4279 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4280 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4281 the target uses one.
4282 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4283 (return_eh_si, return_eh_di): Remove.
4284 (eh_return): New, from corpse of eh_epilogue.
4285 (eh_set_lr_si, eh_set_lr_di): New.
4287 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4288 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4289 True for pic register if current_function_calls_eh_return.
4290 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4291 Handle eh_return requirements.
4292 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4293 (EH_RETURN_STACKADJ_RTX): New.
4294 * config/i386/i386.md (exception_receiver): Remove.
4295 (eh_return, eh_return_1): New.
4296 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4298 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4299 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4300 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4301 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4302 (EH_RETURN_DATA_REGNO): New.
4303 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4304 * config/alpha/alpha.md (eh_epilogue): Remove.
4305 (exception_receiver): Use $26 for ldgp input.
4306 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4308 2001-03-28 Richard Henderson <rth@redhat.com>
4310 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4311 * except.h: Likewise.
4313 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4314 (LIB2ADDEHDEP): New.
4315 (LIB2FUNCS_EH): Remove.
4316 (LIB2ADD): Remove LIB2ADDEH.
4317 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4318 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4319 (crt{begin,end}[S].o): Likewise.
4320 (except.o): Update includes.
4321 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4322 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4324 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4325 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4326 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4327 * builtins.c (expand_builtin): Implement it.
4328 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4329 * c-common.c (c_common_nodes_and_builtins): Declare it.
4330 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4331 * calls.c (libfunc_nothrow): Remove.
4332 (emit_library_call_value_1): Don't call it.
4333 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4334 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4335 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4336 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4337 (current_funcdef_number): Globalize.
4338 (output_call_frame_info): Emit frame data if an lsda is needed.
4339 Generate augmentation for personality routine. Don't play with
4341 (dwarf2out_begin_prologue): Record funcdef_number.
4342 * dwarf2out.h (current_funcdef_number): Declare.
4343 * expr.c (expand_expr): Update for except.h name changes.
4344 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4345 * expr.h (LTI_throw, LTI_rethrow): Remove.
4346 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4347 (LTI_eh_rtime_match): Remove.
4348 (LTI_unwind_resume, LTI_eh_personality): Add.
4349 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4350 * final.c (final): Don't call check_exception_handler_labels,
4351 init_insn_eh_region, or free_insn_eh_region.
4352 (final_scan_insn): Always emit debug labels for
4353 NOTE_INSN_EH_REGION notes.
4354 * flags.h (flag_new_exceptions): Remove.
4355 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4356 (record_active_eh_regions): Remove.
4357 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4358 Use can_throw_internal.
4359 (find_basic_blocks_1): Likewise.
4360 (move_stray_eh_region_notes): Remove.
4361 (find_label_refs): No eh_return_stub_label.
4362 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4363 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4365 (delete_unreachable_blocks): Don't track deleted handlers.
4366 (flow_delete_block): Use maybe_remove_eh_handler.
4367 (delete_eh_regions): Remove.
4368 (merge_blocks): Don't check for eh region match.
4369 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4370 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4371 (init_propagate_block_info): Disable dead frame store optimization
4372 when current_function_calls_eh_return.
4373 (dump_bb): Don't print eh_beg, eh_end.
4374 * function.c (fixup_var_refs): No catch_clauses.
4375 (expand_function_end): Likewise. Call expand_eh_return before
4376 the return register use. Call sjlj_emit_function_exit_after.
4377 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4378 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4379 * ifcvt.c (dead_or_predicable): Remove eh region check.
4380 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4381 Don't check for EH vs parameters.
4382 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4383 (expand_inline_function): Call duplicate_eh_regions.
4384 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4385 (copy_insn_notes): Remap REG_EH_REGION notes.
4386 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4387 * integrate.h (struct inline_remap): Add local_return_label.
4388 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4389 check_exception_handler_labels, nor exception_optimize.
4390 (find_cross_jump): No EH region check.
4391 * optabs.c (init_optabs): Update for changed eh libfuncs.
4392 * rtl.def (RESX): New.
4393 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4394 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4395 checks. Update for except.h name changes.
4396 (expand_cleanups): Likewise.
4397 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4398 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4399 (compile_file): Call init_eh before init_optabs. Don't
4400 output_exception_table here.
4401 (rest_of_compilation): Call convert_from_eh_region_ranges,
4402 convert_to_eh_region_ranges, output_function_exception_table.
4403 Don't emit_eh_context.
4404 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4405 (EXC_PTR_EXPR): New.
4407 * md.texi (eh_epilogue): Remove.
4408 (eh_return): Document.
4409 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4410 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4412 * eh-common.h: Remove file.
4413 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4414 * libgcc2.c (L_eh): Remove.
4416 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4417 * unwind-dw2-fde.h: New file.
4418 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4419 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4420 * libgcc-std.ver: Update for eh symbols.
4422 2001-03-27 Richard Henderson <rth@redhat.com>
4424 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4425 reduce false positives.
4426 (regmove_optimize): Disable if flag_non_call_exceptions.
4428 * stmt.c (expand_return): Remove always true predicate.
4429 (expand_decl_cleanup_no_eh): Remove dead code.
4431 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4432 barrier code. Add a scheduling barrier if a non-call insn
4433 can throw internally.
4435 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4436 Auto-inc addresses trap only if their base register does.
4438 * except.c (can_throw_internal): Rename from can_throw.
4439 * except.h, resource.c: Update references.
4441 * integrate.c (copy_insn_list): Use returnjump_p.
4442 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4444 * function.h (struct function): Move all boolean valued fields
4445 to single bit fields at the end of the struct.
4447 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4449 Rename asynchronous_exceptions to flag_non_call_exceptions.
4451 * gthr-single.h (UNUSED): New. Distinguish between how C
4452 and C++ mark unused function arguments. Use throughout.
4454 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4455 value to target configuration header.
4456 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4457 * config.in, configure: Rebuild.
4458 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4459 configuration and target defines.
4460 (exceptions_via_longjmp): Remove.
4461 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4462 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4464 * except.h (flag_non_call_exceptions): Move ...
4465 * flags.h: ... here.
4467 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4468 exceptions, put the note on the trapping instruction.
4470 * flags.h (flag_new_exceptions): Remove.
4471 * toplev.c: Don't set it.
4472 * final.c: Don't check it.
4473 * except.c: Provide stub definition.
4475 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4476 (calculate_global_regs_live): Kill call-clobbered registers
4477 across exception edges.
4478 * reg-stack.c (convert_regs_1): Kill the entire target stack
4479 across non-call exception edges.
4481 * flow.c (cleanup_cfg): Take no argument.
4482 * output.h, sibcall.c, toplev.c: Update all calls.
4484 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4486 * configure.in: Don't check for bcopy.
4487 * configure, config.in: Regenerate.
4489 * system.h: Don't define or prototype bcopy, instead poison it.
4491 2001-03-27 Richard Henderson <rth@redhat.com>
4493 * function.c (expand_function_start): Set DECL_REGISTER on
4494 a pseudo used for DECL_RESULT.
4496 * rtl.h (LCT_NORETURN): New.
4497 * calls.c (emit_library_call_value_1): Handle it.
4499 2001-03-27 Stan Shebs <shebs@apple.com>
4501 * objc/objc-act.c (objc_init): Use dump_base_name.
4502 (gen_declaration): Clear the buffer arg.
4503 (gen_declaration_1): New function, body of gen_declaration.
4504 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4505 (gen_method_decl): Ditto, plus always clear buffer arg.
4506 (error_with_ivar): Simplify.
4507 (warn_with_method): Ditto.
4508 (build_message_expr): Don't clear buffers.
4509 (dump_interface): Ditto.
4510 (objc_debug): Ditto.
4511 (build_keyword_selector): Clear the buffer by only zeroing
4513 (objc_implementation_context): Declare.
4514 (start_class): Warn about missing @end.
4515 (finish_objc): Ditto.
4517 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4519 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4521 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4523 * Makefile.in (SYSTEM_H): Define.
4524 Depend on $(SYSTEM_H), not system.h.
4526 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4528 2001-03-27 Jim Wilson <wilson@redhat.com>
4530 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4532 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4533 (process_epilogue): New static function.
4534 (process_set): Call process_epilogue instead of emitting .restore
4536 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4538 * flow.c (struct reg_cond_life_info): New fields orig_condition
4540 (init_propagate_block_info): Set new fields.
4541 (mark_regno_cond_dead): Set and use new fields.
4542 (flush_reg_cond_reg_1): Likewise.
4543 (and_reg_cond, case AND): Check for redundant AND conditions.
4544 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4547 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4549 * cppmacro.c (stringify_arg): Null terminate strings.
4551 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4553 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4554 inclusion style. xm-m68hc11.h no longer exists.
4555 * config/m68hc11/xm-m68hc11.h: Delete file.
4556 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4558 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4559 Don't define GCC_VERSION, N_, or PARAMS; don't include
4560 gansidecl.h or stdio.h. Define inhibit_libc here.
4561 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4562 Delete code conditioned on #if GCC_VERSION == 2095.
4564 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4565 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4566 Delete code conditioned on #if GCC_VERSION == 2095.
4568 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4570 * system.h: Include symcat.h.
4571 (STRINGIFY): Don't define.
4573 * configure.in: Adjust comment.
4575 * builtins.c: Use STRINGX, not STRINGIFY.
4576 * gencheck.c: Likewise.
4577 * gengenrtl.c: Likewise.
4578 * protoize.c: Likewise.
4580 * cpplex.c: Don't include symcat.h.
4581 * cpplib.c: Likewise.
4583 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4585 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4587 * c-typeck.c (digest_init): Fold init expression.
4589 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4591 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4593 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4595 * except.c (eh_regs): Save results of build_pointer_type to a temp
4596 as FUNCTION_VALUE macro may evaluate its args multiple times.
4598 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4600 * c-common.h (DECL_NUM_STMTS): New macro.
4601 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4603 (pushdecl): Likewise.
4604 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4605 * integrate.c (expand_inline_function): Don't check
4607 * print-tree.c (print_node): Don't print it.
4608 * toplev.c (rest_of_compilation): Don't try to inline when
4609 flag_no_inline is on.
4610 * tree.h (DECL_FRAME_SIZE): Remove.
4611 (tree_decl): Adjust accordingly.
4613 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4615 * combine.c (try_combine): Use memcpy, not bcopy.
4617 * genattrtab.c (expand_units): Likewise.
4619 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4621 * i386.md (push mem DI peep2): New.
4622 (mov 0, mov -1 peep2): Handle 64bit.
4623 (lea to arithmetics peep2): Handle 64bit leas.
4624 (rsp arithmetics to push/pop peep2s): New.
4626 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4628 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4630 * i386.c (struct machine_function): Add save_varrargs_registers.
4631 (ix86_save_varrargs_registers): New macro.
4632 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4633 (ix86_expand_prologue): Likewise.
4634 (ix86_emit_epilogue_esp_adjustement): Likewise.
4635 (ix86_expand_epilogue): Likewise.
4636 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4637 (pro_epilogue_adjust_stack_1): New insn.
4638 (pro_epilogue_adjust_stack_rex64): Likewise.
4639 * i386.h (MASK_NO_RED_ZONE): New constant.
4640 (TARGET_RED_ZONE): New macro.
4641 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4642 (RED_ZONE_SIZE): New constant.
4643 (RED_ZONE_RESERVE): New constant.
4645 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4647 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4649 2001-03-25 Kazu Hirata <kazu@hxi.com>
4651 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4654 (umodhi3): Likewise.
4657 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4659 * mkconfig.sh (DEFINES): Handle entries with '='.
4661 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4662 Set xm_defines to MACRO=value instead.
4664 * i370/xm-mvs.h: Delete.
4666 * ns32k/xm-pc532-min.h: Likewise.
4668 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4670 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4672 use ix86_expand_binary_operator
4673 (?sh??i_?): Disable for 64bit.
4674 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4675 * i386.c (shiftdi_operand): New predicate.
4677 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4678 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4679 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4680 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4681 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4682 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4683 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4684 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4685 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4686 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4687 (rotldi3, rotrdi3): New expanders.
4689 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4691 * i386.md (movstrsi): Move offline.
4693 (strmovdi_rex64): New.
4694 (strmov?i): Accept 64bit.
4695 (strmov?i_rex64): New.
4696 (strmov?i_rex_1): New.
4697 (strmov?i_1): Disable for 64bit.
4698 (rep_mov?i_rex64): New.
4699 (rep_mov?i): Disable for 64bit.
4700 (clrstrsi): Move offline.
4701 (strset?i_rex64): New.
4702 (strset?i: Accept 64bit.
4703 (rep_stos?i): Disable for 64bit.
4704 (rep_stos?i_rex64): New.
4705 (strset?i_rex_1): New.
4706 (strset?i_1): Disable for 64bit.
4707 (cmpstrsi): Accept 64bit.
4708 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4709 (cmpstrqi_nz_rex_1): New.
4710 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4711 (strlensi): Move offline.
4713 (strlenqi_1): Disable for 64bit; fix constraints.
4714 (strlenqi_rex_1): New.
4715 * i386.c (ix86_adjust_counter): New static function.
4716 (ix86_zero_extend_to_Pmode): Likewise.
4717 (ix86_expand_aligntest): Likweise.
4718 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4719 (ix86_expand_movstr): New global function.
4720 (ix86_expand_clrstr): New global function.
4721 (ix86_expand_strlen): New global function.
4722 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4723 ix86_expand_strlen): Declare.
4724 (ix86_expand_strlensi_unroll_1): Delete.
4726 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4728 * i386.md (cmpdi): Fix operand predicates.
4729 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4730 cmpdi_1_insn_rex64): New patterns.
4731 (adddi3): Turn to expander.
4732 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4733 (addsi3_carry_zext): New pattern.
4734 (adddi_?_rex64): New patterns and splitters.
4735 (addsi_?_zext): New patterns.
4736 (subsi3_carry_zext): New pattern.
4737 (subdi_?_rex64): New patterns and splitters.
4738 (iorsi_?_zext): New patterns.
4739 (iordi_?_rex64): New patterns and splitters.
4740 (iorsi_?_zext): New patterns.
4741 (iorsi_?_zext_imm): New patterns.
4742 (xorsi_?_zext): New patterns.
4743 (xordi_?_rex64): New patterns and splitters.
4744 (xorsi_?_zext): New patterns.
4745 (negdi*): New patterns.
4746 (one_cmpldi*): Likewise.
4747 (one_cmplsi*_zext, negsi*_zext): Likewise.
4748 (testqi_ext_3_rex64): New pattern.
4750 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4752 * i386-protos.h (ix86_split_long_move): Return void.
4753 * i386.c (ix86_split_to_parts): Handle 64bit target.
4754 (ix86_split_long_move): Likewise.
4755 * i386.md (all calls to ix86_split_long_move): Update.
4757 2001-03-23 Richard Henderson <rth@redhat.com>
4759 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4760 to avoid shadowing arguments.
4762 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4764 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4765 to variable names where DECL_NAME is different from
4766 DECL_ASSEMBLER_NAME.
4768 2001-03-23 Jim Wilson <wilson@redhat.com>
4770 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4771 (assemble_alias): Call make_decl_rtl.
4773 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4775 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4777 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4779 * extend.texi: Document the "java_interface" attribute.
4781 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4783 * mkconfig.sh: Use a subshell with redirected stdout,
4784 instead of closing stdout and confusing commands that run
4785 afterward. Throw away output of cmp.
4787 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4789 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4791 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4793 * i386.md (zero_extendsidi2_32): Break out from ...
4794 (zero_extendsidi2): ... here ; turn to expander.
4795 (zero_extendsidi2_rex64): New.
4796 (extendsidi2_32): Break out from ...
4797 (extendsidi2): ... here ; turn to expander.
4798 (extendsidi2_rex64): New.
4799 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4800 (trunc?f?f splitters): Add 64bit versions.
4802 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4804 * i386.md (pushsi, pushsi2_prologue): Disable.
4805 (pushsi2_rex64): New.
4806 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4807 (movqi_ext_1): Disable for 64bit.
4808 (movqi_ext_1_rex64): New.
4809 (pushdi2_rex64): New pattern, peep2s and splitter.
4810 (pushdi2_prologue_rex64): New pattern.
4811 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4813 (movdi splitters): Disable for 64bit.
4814 (movdi_1_rex64): New pattern, peep2s and splitters.
4815 (swapdi): New pattern.
4816 (pushsf): Disable for 64bit.
4817 (pushsf_rex64): New pattern and splitter.
4818 (pushdf_nointeger): Disable for 64bit.
4819 (pushdf_integer): Handle the 64bit case.
4820 (pushtf): Likewise; update splitters.
4822 2001-03-22 Richard Henderson <rth@redhat.com>
4824 * mkconfig.sh: Include insn-flags.h.
4825 * Makefile.in (CONFIG_H): Include insn-flags.h.
4826 (lots of objects): Remove insn-codes.h and insn-flags.h.
4828 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4829 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4830 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4831 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4832 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4833 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4834 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4835 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4836 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4837 v850/v850.c, vax/vax.c:
4838 Don't include insn-flags.h.
4840 * diagnostic.c, expr.h, reload.c, toplev.c:
4841 Don't include insn-codes.h.
4843 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4844 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4845 c4x/c4x.c, i960/i960.c, mips/mips.c:
4846 Don't include insn-codes.h or insn-flags.h.
4848 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4849 or insn-flags.h in the generated code.
4850 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4851 (main): Forward declare struct rtx_def.
4853 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4855 * invoke.texi (-ffast-math): Remove duplicate line about
4858 * gcc.texi: Remove more obsolete documentation of bugs and
4859 installation problems.
4861 2001-03-21 Kazu Hirata <kazu@hxi.com>
4863 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4866 2001-03-20 Jason Merrill <jason@redhat.com>
4868 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4870 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4871 * varasm.c (CHKR_PREFIX): Likewise.
4873 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4875 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4876 is part of a multi-SET insn.
4878 * cse.c (find_comparison_args): Remove previous change.
4879 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4882 * config/i386/i386.md (conditional_trap): Remove warning.
4884 * recog.c (push_operand): Fix error in last change that caused
4885 undefined symbol on many targets.
4887 * sdbout.c: #include ggc.h.
4888 (sdbout_init): Move to end of file.
4889 Call ggc_add_tree_root for anonymous_types.
4890 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4891 (sdbout_one_type): Use DECL_NAME for field name.
4892 * Makefile.in (sdbout.o): Show includes ggc.h.
4894 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4896 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4897 (override_options): Use properlimits for preferred_stack_boundary.
4898 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4900 (ext_register_operand): Accept DImode.
4901 (load_pic_register): Abort on 64bit.
4902 (gen_push): Use Pmode instead of SImode.
4903 (ix86_save_reg): Pic reg is never used on 64bit.
4904 (ix86_expand_prologue): Likewise.
4905 (ix86_emit_save_regs): Use Pmode instead of SImode.
4906 (legitimate_address_p): Check displacement for 64bit.
4907 (print_operand): Avoid outputting of (%rip) on 64bit.
4908 (print_operand_address): Output (%rip) where possible.
4909 (split_di): Abort on 64bit registers.
4910 (ix86_expand_branch): DImode comparison is simple for x86_64.
4911 (memory_address_length): Recognize memory addresses formed using
4913 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4915 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4917 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4919 * recog.c (push_operand): Recognize new format of push instructions.
4921 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4923 * i386.md (pushqi1): New.
4924 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4925 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4926 x86_64_immediate_operand, x86_64_immediate_operand,
4927 x86_64_zext_immediate_operand): Declare.
4928 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4929 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4930 x86_64_immediate_operand, x86_64_immediate_operand,
4931 x86_64_zext_immediate_operand): define.
4932 * i386.h (PREDICATE_CODES): Add new predicates.
4934 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4936 * i386.md (pophi1, popqi1, pushqi1): Remove.
4938 * expr.c (emit_single_push_insn): New function.
4939 (move_by_pieces): Accept NULL as destination for push instructions.
4940 (gen_push_operand): Kill.
4941 (emit_push_insn): Pass NULL when pushing; avoid updating of
4942 stack_pointer_delta.
4943 * expr.h (gen_push_operand): Kill.
4945 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4947 * rtl.texi (COMPARE): Clarify documentation and reference section
4950 2001-03-20 Stan Shebs <shebs@apple.com>
4952 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4953 (get_object_reference): Ditto.
4954 (error_with_ivar): Use error_with_file_and_line.
4955 (warn_with_method): Use warning_with_file_and_line.
4957 2001-03-20 Tom Tromey <tromey@redhat.com>
4959 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4961 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4963 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4964 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4966 2001-03-20 DJ Delorie <dj@redhat.com>
4968 * Makefile.in (install-libgcc): Pass complete list of variables.
4969 (install-multilib): Ditto.
4971 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4973 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4974 drectve_section, switch_to_section.
4976 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4977 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4978 i386_pe_mark_dllimport.
4980 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4982 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4983 functions i386_pe_*.
4985 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4986 i386_pe_* functions with char * arguments.
4988 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4990 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4992 (movsi_ie): Introduce fpul store.
4994 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4996 * Makefile.in (OBJS): Remove hashtab.o.
4998 2001-03-19 Stan Shebs <shebs@apple.com>
5000 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5001 * c-lang.c (maybe_objc_method_name): Ditto.
5002 * c-tree.h (maybe_objc_method_name): Remove decl.
5004 2001-03-19 Tom Tromey <tromey@redhat.com>
5006 * gcc.c (init_gcc_specs): Fix comment.
5008 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5010 Compute DECL_ASSEMBLER_NAME lazily.
5011 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5012 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5013 (SET_DECL_ASSEMBLER_NAME): Likewise.
5014 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5015 (set_decl_assembler_name): Declare.
5016 (lang_set_decl_assembler_name): Likewise.
5017 * tree.c (lang_set_decl_assembler_name): New variab.e
5018 (set_decl_assembler_name): New function.
5019 (init_obstacks): Set lang_set_decl_assembler_name.
5020 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5021 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5022 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5023 where it's not necessary.
5024 (builtin_function): Likewise.
5025 (finish_decl): Likewise.
5026 * dbxout.c (dbxout_type_methods): Likewise.
5027 * ggc-common.c (ggc_mark_trees): Likewise.
5028 * profile.c (output_func_start_profiler): Likewise.
5029 * varasm.c (make_decl_rtl): Likewise.
5031 * cse.c (find_comparison_args): Update documentation. Fix
5032 mishandling of COMPARE operations.
5034 * tree.def (ABS_EXPR): Add documentation.
5035 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5037 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5039 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5041 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5043 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5044 Remove ia32 linux PIC kludge and move it...
5045 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5047 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5049 * i386.md (absdf2 expander): Fix 64bit case.
5051 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5053 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5055 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5057 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5059 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5061 * README.X11: Remove obsolete file.
5063 2001-03-18 Anthony Green <green@redhat.com>
5065 * config/pj/pj.h: Remove some trailing commas.
5066 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5068 2001-03-18 Richard Henderson <rth@redhat.com>
5070 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5071 * calls.c: ... here.
5072 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5073 defaults for them here.
5075 2001-03-17 Anthony Green <green@redhat.com>
5077 * config/pj/lib1funcs.S: Fix broken comment.
5078 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5081 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5083 * gcc.texi: Remove obsolete information relating to build and
5084 installation problems with enquire or the Pyramid C compiler.
5086 2001-03-17 Richard Henderson <rth@redhat.com>
5088 * dwarf2out.c (queue_reg_save): New.
5089 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5090 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5092 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5093 (cfa, cfa_store, cfa_temp): Make static.
5094 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5096 2001-03-17 Richard Henderson <rth@redhat.com>
5098 * integrate.h (struct inline_remap): Add local_return_label.
5099 * integrate.c (expand_inline_function): Initialize it and emit
5100 it after copy_insn_notes.
5101 (copy_insn_list): Don't store local_return_label here.
5102 (copy_insn_notes): New function split out from copy_insn_list.
5104 2001-03-17 Richard Henderson <rth@redhat.com>
5106 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5107 is generating .debug_line.
5108 (dwarf2out_init): Add main_input_filename to the file table first.
5109 * configure.in (as_dwarf2_debug_line): Test with file number 1
5110 instead of file number 0.
5112 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5114 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5115 (gen_rtx_combine): Deleted; all references changed as appropriate.
5116 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5118 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5120 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5122 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5125 2001-03-16 Jim Wilson <wilson@redhat.com>
5127 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5128 then set it to LOC_REG (79) instead of aborting.
5130 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5132 * gccbug.in: Remove high priority.
5134 2001-03-16 Richard Henerson <rth@redhat.com>
5136 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5137 output with a space instead of deleting it.
5138 * configure: Regenerate.
5140 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5142 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5143 handles the gory details of converting an object file into
5144 something that's safe to grep.
5145 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5146 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5147 newlines at either end of the string we're looking for.
5148 Make 'checking ...' message less stilted.
5149 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5150 ARM in-memory layout and its hypothetical converse. Don't
5151 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5152 HOST_WORDS_BIG_ENDIAN.
5154 * configure.in: Adjust for renamed macro. Move
5155 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5156 * configure, config.in: Regenerate.
5158 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5160 * fixinc/Makefile.in: Set SHELL.
5162 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5164 * fixinc/fixincl.c (fix_with_system): Quote file names before
5165 passing them to shell.
5167 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5169 * Makefile.in: Use fix-header$(build_exeext) instead
5172 2001-03-16 Richard Henderson <rth@redhat.com>
5174 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5175 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5176 (size_of_line_prolog): Remove.
5177 (output_line_info): Compute prologue size via label difference.
5178 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5180 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5181 assembler error when redefining file numbers.
5182 * config.in, configure: Rebuild.
5184 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5185 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5186 (dw2_asm_output_delta_uleb128): Likewise.
5187 (dw2_asm_output_delta_sleb128): Similarly.
5188 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5190 2001-03-16 Michael Meissner <meissner@redhat.com>
5192 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5194 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5196 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5198 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5199 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5200 being unsigned in ISO C and signed in traditional.
5201 (expand_prologue): Ditto.
5202 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5204 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5206 (divsi3,divdi3): Ditto.
5207 (modsi3,moddi3): Ditto.
5208 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5209 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5210 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5213 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5215 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5216 SSE based conditional moves on LTGT/UNEQ conditions;
5217 Canonicalize EQ to NE.
5218 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5219 (sse_mov?fcc_ne): New.
5221 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5223 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5225 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5226 register may be dead.
5228 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5230 * Makefile.in (hash.o): Depend on CONFIG_H.
5232 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5234 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5236 2001-03-15 Richard Henderson <rth@redhat.com>
5238 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5239 (ASM_OUTPUT_DWARF_PCREL): New.
5240 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5242 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5244 * cppfiles.c (stack_include_file): Use MAX of sysp.
5246 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5248 * config.gcc (ia64*-*-hpux*): New case.
5249 * config/ia64/hpux.h: New file for HP-UX support.
5250 * config/ia64/t-hpux: New file for HP-UX support.
5252 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5254 * fixinc/inclhack.def (irix_stdio_va_list): New.
5255 * fixinc/fixincl.x: Rebuilt.
5257 2001-03-15 Richard Henderson <rth@redhat.com>
5259 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5260 if provided by the target.
5261 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5262 (dw2_asm_output_addr): New.
5263 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5264 * dwarf2out.c (output_cfi): Use it for program addresses.
5265 (output_call_frame_info, output_die): Likewise.
5266 (output_aranges, output_line_info): Likewise.
5268 2001-03-15 Bruce Korb <bkorb@gnu.org>
5270 * gcc.c(main): make more rigorous
5271 * collect2.c(main): guard against ignoring SIGCHLD
5272 * protoize.c(main): ditto
5273 * gcc/fixinc/fixincl.c(initialize): ditto
5275 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5277 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5278 (sdbout_parms): Likewise.
5280 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5282 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5283 "widen" a destination that is already wider than a word. Also do
5284 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5286 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5288 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5290 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5292 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5294 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5296 * i960.h (i960_maxbitalignment,
5297 i960_last_maxbitalignment): Declare.
5298 * i960.c (i960_maxbitalignment,
5299 i960_last_maxbitalignment): Make global.
5300 (process_pragma): Delete.
5301 (i960_pr_align, i960_pr_noalign): Move from here ...
5302 * i960-c.c: ... to this new file.
5303 * t-960bare (i960-c.o): New rule.
5304 * t-vxworks960 (i960-c.o): Likewise.
5305 * config.gcc (i960-*-*): Define c_target_objs and
5308 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5310 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5311 without adding in rtx code and mode.
5313 * alias.c (init_alias_analysis): Don't use any rtx whose value
5314 varies as a known value.
5315 Delete a superfluous test.
5317 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5319 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5320 scheduling a stop bit.
5321 (ia64_emit_nops): Correctly handle ASMs.
5323 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5325 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5327 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5329 * cpp.texi: Update documentation for -include and -imacros.
5330 * cppfiles.c (struct include_file): Remove "defined" memeber.
5331 (find_or_create_entry): Make a copy of the file name, and
5333 (open_file): Update to ensure we use the simplified filename.
5334 (stack_include_file): Don't set search_from.
5335 (cpp_included): Don't simplify the path name here.
5336 (find_include_file): New prototype. Call search_from to
5337 get the start of the "" include chain. Don't simplify the
5339 (_cpp_execute_include): New prototype. Move diagnostics to
5340 do_include_common. Update.
5341 (_cpp_pop_file_buffer): Don't set defined.
5342 (search_from): New prototype. Use the preprocessor's cwd
5343 for files included from the command line.
5344 (read_name_map): Don't simplify the pathname here.
5345 * cpphash.h (enum include_type): New.
5346 (struct buffer): Delete search from. New search_cached.
5347 (_cpp_execute_include): Update prototype.
5348 * cppinit.c (do_includes): Use _cpp_execute_include.
5349 * cpplib.c (do_include_common): New function.
5350 (do_include, do_include_next, do_import): Use it.
5352 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5354 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5355 contents of the RTL, to determine the name of the object.
5357 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5359 * tree.h (DECL_RTL): Allocate RTL lazily.
5360 (SET_DECL_RTL): New macro.
5361 (DECL_RTL_SET_P): Likewise.
5362 (COPY_DECL_RTL): Likewise.
5363 (DECL_RTL_IF_SET): Likewise.
5364 * varasm.c (make_decl_rtl): Add assertions about the kind of
5365 declaration we are processing.
5366 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5367 (start_decl): Likewise.
5368 (finish_decl): Likewise.
5369 * c-semantics.c (emit_local_var): Likewise.
5370 * calls.c (expand_call): Likewise.
5371 * dbxout.c (dbxout_symbol): Likewise.
5372 * emit-rtl.c (unshare_all_rtl): Likewise.
5373 (unshare_all_decls): Likewise.
5374 (reset_used_decls): Likewise.
5375 * expr.c (store_constructor): Likewise.
5376 (safe_from_p): Likewise.
5377 (expand_expr): Likewise.
5378 * function.c (put_var_into_stack): Likewise.
5379 (instantiate_decls_1): Likewise.
5380 (assign_parms): Likewise.
5381 (expand_function_start): Likewise.
5382 (expand_function_end): Likewise.
5383 * ggc-common.c (gcc_mark_trees): Likewise.
5384 * integrate.c (function_cannot_inline_p): Likewise.
5385 (copy_decl_for_inlining): Likewise.
5386 (expand_inline_function): Likewise.
5387 (integrate_parm_decls): Likewise.
5388 (integrate_decl_tree): Likewise.
5389 * print-tree.c (print_node): Likewise.
5390 * reg-stack.c (stack_result): Likewise.
5391 * stmt.c (label_rtx): Likewise.
5392 (expand_return): Likewise.
5393 (expand_decl): Likewise.
5394 (expand_decl_cleanup): Likewise.
5395 (expand_anon_union_decl): Likewise.
5396 * toplev.c (check_global_declarations): Likewise.
5397 (rest_of_decl_compilation): Likewise.
5398 * tree.c (simple_cst_equal): Likewise.
5399 * objc/objc-act.c (generate_static_references): Likewise.
5401 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5403 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5404 gcc_AC_C_FLOAT_FORMAT): New macros.
5405 * configure.in: Add AC_PROG_CPP after CC tests;
5406 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5407 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5408 * configure, config.in: Regenerate.
5410 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5411 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5412 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5413 config/i370/xm-linux.h, config/i370/xm-oe.h,
5414 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5415 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5416 config/pa/xm-linux.h, config/pa/xm-pa.h,
5417 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5418 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5419 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5420 config/we32k/xm-we32k.h: Delete.
5422 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5423 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5424 config/vax/xm-vms.h: Don't define any of:
5425 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5427 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5429 * config.gcc: Remove references to deleted files.
5430 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5431 FATAL_EXIT_CODE, which is the same between oe and mvs).
5433 2001-03-14 DJ Delorie <dj@redhat.com>
5434 Vladimir Makarov <vmakarov@redhat.com>
5436 * config/i960/i960.c (i960_function_prologue): Compute size of
5437 frame according to number of registers actually saved there.
5439 2001-03-14 Richard Henderson <rth@redhat.com>
5441 * expr.c (emit_move_insn_1): Fix else if around #endif.
5443 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5446 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5449 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5451 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5452 (override_options): Parse cmodel string.
5453 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5454 * i386.h (TARGET_OPTIONS): Add "cmodel".
5455 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5457 (ix86_cmodel_string, ix86_cmodel): Declare.
5459 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5462 * i386.h (GENERAL_REG_P): Add missing REG_P.
5464 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5466 * configure.in: Use $gcc_cv_as instead of $as.
5467 * configure: Regenerated.
5469 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5471 * cppfiles.c (stack_include_file): Only increase the include
5472 count if we actually process the file properly, as opposed
5473 to treating it as length zero. Only call read_include_file
5474 if not DO_NOT_REREAD. Handle the -H include file output
5476 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5477 (cpp_included, find_include_file): Simplify pathnames after
5478 remapping them. If remapping, don't use the remapped file
5479 name's buffer as our scratch buffer.
5480 (cpp_pop_file_buffer): Replace the multiple include macro
5481 only if it isn't yet set.
5482 (read_name_map): Simplify remapped names when reading in.
5483 (remap_filename): Move code to code path that uses it.
5484 (_cpp_simplify_pathname): Return the input pointer.
5485 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5487 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5489 * expr.c (expand_expr): Revove bogus conditional.
5491 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5493 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5495 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5497 * reg-stack.c (stack_result): Unconditionally use
5498 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5500 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5502 * expr.c (emit_move_insn_1): Split push of complex value when
5503 no suitable push instruction exist.
5505 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5506 instead of QI_REG_P.
5508 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5510 * alias.c (handled_component_p, can_address_p): New functions.
5511 (get_alias_set): Use them.
5513 2001-03-13 Jim Wilson <wilson@redhat.com>
5515 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5516 from 80 in try_locals code.
5517 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5519 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5521 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5522 gcc_AC_C_LONG_LONG): New.
5523 * configure.in: Use them. Probe the size of short, int, long,
5524 and long long/__int64 if we have them. Move all the AC_C_*
5525 checks together, except gcc_AC_C_CHAR_BIT which has to go
5526 after AC_CHECK_HEADERS(limits.h).
5527 Take hwint.h out of host_xm_file and build_xm_file.
5529 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5530 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5531 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5532 Move the HOST_WIDEST_INT setup logic here from system.h.
5533 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5535 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5536 is now handled by hwint.h.
5538 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5539 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5540 config/ia64/xm-ia64.h: Don't define any of:
5541 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5542 HOST_BITS_PER_LONGLONG.
5544 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5545 config/h8300/xm-h8300.h, config/mips/iris6.h,
5546 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5547 config/sparc/xm-sp64.h: Delete.
5548 * config.gcc: Remove references to deleted files.
5550 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5551 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5552 * config/i370/xm-linux.h: Clarify floating-point situation in
5555 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5557 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5558 (find_include_file): Decide here which part of the include
5559 chain to start the search. Complain about an empty include
5560 chain in all cases apart from an abolsute file name.
5561 (_cpp_execute_include): Don't choose the search chain here.
5562 Don't call handle_missing_include in the case of an empty
5564 (_cpp_compare_file_date): Don't choose the search chain here.
5565 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5566 here from _cpp_execute_include. Behave like #include if
5567 we're in the main file.
5569 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5571 * system.h (malloc, realloc, calloc, strdup): Only poison these
5572 tokens when IN_GCC is defined.
5574 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5576 * i386.md (abs?f expander): Support SSE case.
5577 (abd?f_if): Add new "USE"; add splitters.
5579 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5581 * cpp.texi (poison): Explain the macro expansion exception.
5583 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5585 * expr.c (store_expr): Add dont_store_target. If temp is already in
5586 target before copying to reg, don't store it into target again.
5588 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5590 * cppinternals.texi: Update for file handling.
5592 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5594 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5595 2001-02-24 which broke building the Java library.
5596 * function.c (identify_blocks): Likewise.
5597 (all_blocks): Likewise.
5598 * integrate.c (integrate_decl_tree): Likewise.
5599 * print-tree.c (print_node): Likewise.
5600 * tree.h (BLOCK_NUMBER): Likewise.
5601 (struct tree_block): Likewise.
5603 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5605 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5606 __WCHAR_TYPE__ definition.
5607 (WCHAR_TYPE_SIZE): #undef before #define.
5609 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5611 * cppfiles.c: Update comments.
5612 (destroy_include_file_node): Rename destroy_node.
5613 (find_or_create_entry): New function.
5614 (open_file, _cpp_fake_include): Use it.
5615 (handle_missing_header): New function, broken out of
5616 _cpp_execute include. Don't segfault if there is no
5617 system or quoted path.
5618 (_cpp_execute_include): Use handle_missing_header.
5620 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5622 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5623 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5625 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5627 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5628 unless anti_dependence says they are.
5629 * alias.c (objects_must_conflict): If neither has a type specified,
5632 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5633 David Billinghurst <David.Billinghurst@riotinto.com>
5635 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5637 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5639 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5640 (*_one_bit): Remove type on the match_operand in attributes.
5642 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5644 * i386.c: Commit forgotten hunk in previous patch.
5645 (regclass_map): Add extended registers.
5646 (dbx_register_map): Add missing frame register.
5648 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5650 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5652 * i386.md (x86_sahf_1): Disable for 64bit.
5653 (popsi*, pophi*): Likewise.
5654 (pushqi, pushhi): Likewise.
5655 (movdi, pushdi): Likewise.
5656 (zero extend DImode splitter): Likewise.
5657 (adddi, minusdi splitter): Likewise.
5658 (umulsidi): Likewise.
5660 (mulsidi): Disable for 64bit
5661 (lshift:DI/ashift:DI): Disable for 64bit.
5662 (loop patterns): Likewise.
5663 (call_pop, call_value_pop expanders and patterns): Likewise.
5664 (prologue_get_pc): Likewise.
5666 (fcmovDI pattern and splitter): Likewise.
5667 (movdfcc_1_rex64): New.
5669 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5671 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5672 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5673 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5674 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5675 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5676 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5677 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5678 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5679 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5680 (REGPARM_MAX): Set to 6 for x86_64.
5681 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5682 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5685 * (patterns that does use upper halves): Update constraints
5686 'q' to 'Q' and 'r' to 'R'.
5687 (cmpqi_ext_1): Disable for 64bit.
5688 (cmpqi_ext_3_insn): Likewise.
5689 (movqi_extzv_1): Likewsie.
5690 (addqi_ext_1): Liekwsie
5691 (testqi_ext_1): Liekwsie
5692 (andqi_ext_1): Liekwsie
5693 (xorqi_ext_1): Liekwsie
5694 (cmpqi_ext_1_rex64): New.
5695 (cmpqi_ext_3_insn_rex64): Likewise.
5696 (movqi_extzv_1_rex64): Likewsie.
5697 (addqi_ext_1_rex64): Liekwsie
5698 (testqi_ext_1_rex64): Liekwsie
5699 (andqi_ext_1_rex64): Liekwsie
5700 (xorqi_ext_1_rex64): Liekwsie
5702 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5704 * configure.in: Move check for unsigned enumerated bitfields
5705 to macro in aclocal.m4. Disable it for now.
5706 * configure, config.in: Regenerate.
5707 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5708 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5709 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5710 kind above its first use.
5712 * config/xm-interix.h, config/alpha/xm-alpha.h,
5713 config/i370/xm-linux.h, config/i386/xm-beos.h,
5714 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5715 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5716 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5717 Don't define ONLY_INT_FIELDS under any circumstances.
5719 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5721 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5722 config/sparc/xm-sysv4.h: Delete - now identical with some
5724 * config.gcc (hppa targets): Replace xm-pahpux.h and
5725 xm-papro.h with implicit xm-pa.h.
5726 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5729 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5731 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5732 before reload_cse_noop_set_p.
5734 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5736 * config.gcc: Where xm-host.h used to include another
5737 xm-host.h, list the nested header directly in xm_file. Remove
5738 references to deleted files. Can now use sparc/xm-sp64.h for
5741 * config/xm-linux.h, config/arm/xm-linux.h,
5742 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5743 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5744 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5745 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5746 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5749 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5750 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5751 bother to wrap #undef in #ifdef.
5752 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5753 Don't include xm-linux.h.
5754 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5756 * configure.in: Wrap regexps using [] in changequote block.
5757 Use expr : not echo | grep. Simplify regexps.
5758 * configure: Regenerate.
5760 56 xm-files remain, 22 xm-arch.
5762 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5764 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5765 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5766 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5767 (copy_object): Fix format specifier vs argument mismatch.
5769 * mips-tdump.c: Make local functions static.
5770 (rindex): Don't #undef.
5771 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5772 (fatal, fancy_abort): Delete.
5773 (read_seek): Avoid signed/unsigned compare.
5775 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5777 * combine.c (try_combine): Fix error in change to try original
5779 (gen_rtx_combine): Do same as gen_rtx for now.
5781 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5783 * configure.in: AC_SUBST xm_defines.
5784 * configure: Regenerate.
5785 * Makefile.in: Set DEFINES=$(xm_defines) when building
5788 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5790 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5791 (cpp_included, find_include_file): Update.
5792 (_cpp_compare_file_date): Make else unconditional.
5794 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5796 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5798 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5800 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5801 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5803 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5805 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5806 if it's a record type.
5808 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5810 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5811 mingw includes slightly.
5813 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5815 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5816 #undef token before poisoning it.
5818 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5820 * alpha.c (check_float_value): Use memcpy, not bcopy.
5822 * m32r.c (m32r_sched_reorder): Likewise.
5824 * vax.c (check_float_value): Likewise.
5826 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5828 * toplev.c (file_name_nondirectory): Remove.
5829 * toplev.h: Similarly.
5830 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5831 of file_name_nondirectory.
5833 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5835 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5836 * mips-tfile.c: Don't #undef rindex; not used.
5838 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5840 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5841 (dbx64_register_map): Declare.
5842 (RETURN_ADDR_RTX): Fix for 64bit.
5843 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5844 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5845 * i386.c (dbx64_register_map): New global array.
5846 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5847 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5850 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5852 * cppfiles.c (search_from): Use lbasename.
5853 * mkdeps.c (deps_add_default_target): Use lbasename.
5855 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5857 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5858 xcalloc in lieu of malloc, realloc & calloc.
5860 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5862 * gengenrtl.c (xmalloc): Likewise.
5864 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5865 really_call_* memory allocation routines.
5867 * stmt.c (check_for_full_enumeration_handling): Use
5868 really_call_calloc, not calloc.
5870 * system.h (really_call_malloc, really_call_calloc,
5871 really_call_realloc): Define.
5872 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5874 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5876 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5878 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5880 * configure: Rebuilt.
5881 * configure.in: Only use `lang_requires' for languages athat are
5884 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5886 * invoke.texi: Fix typo.
5887 * gcc.1: Regenerate.
5889 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5891 * configure.in: Prune nonexistent files from build_xm_file,
5892 xm_file, and host_xm_file lists. Warn unless they're
5894 Don't generate *config.h here.
5895 AC_SUBST all variables needed to generate *config.h.
5896 * configure: Regenerate.
5897 * mkconfig.sh: New helper script, from code removed from
5899 * Makefile.in: Zap all MALLOC variables - no longer used
5900 anywhere, and malloc.c doesn't exist.
5901 Substitute in variables needed to generate *config.h.
5902 Stop lying about the dependencies contained in CONFIG_H and
5904 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5905 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5906 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5907 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5908 $(TM_P_H), etc. as appropriate.
5910 * config.gcc: Zap references to deleted files.
5911 * ggc-none.c: Don't include rtl.h or tm_p.h.
5913 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5914 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5915 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5916 config/i386/xm-linux.h, config/i386/xm-linux.h,
5917 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5918 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5919 Don't include i386/xm-i386.h.
5921 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5922 config/i386/xm-i386.h, config/i860/xm-i860.h,
5923 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5924 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5925 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5926 Delete (empty except comments, #includes of other deleted
5927 files, and macros used nowhere).
5929 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5931 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5932 independent on TARGET_FLAGS.
5934 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5936 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5938 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5940 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5942 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5943 LAST_REX_SSE_REG): define.
5944 (enum reg_class): Add 'LEGACY_REGS'
5945 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5946 (SSE_REGNO_P): Recognize extended registers.
5947 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5948 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5949 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5950 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5951 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5952 REG_OK_FOR_STRREG_P): Remove.
5953 (HI_REGISTER_NAMES): Add extended registers.
5954 (ADDITIONAL_REGISTER_NAMES): Likewise.
5955 (QI_REGISTER_NAMES): Add 8bit extended registers.
5956 (DEBUG_REG): Support extended registers.
5957 * i386.c (regclass_map): Add extended registers.
5958 (dbx_register-map): Likewise.
5959 (svr4_dbx_register_map): Likewise.
5960 (print_reg): Support extended registers.
5961 (print_operand): Support 64bit operands.
5963 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5965 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5966 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5967 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5968 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5969 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5970 STACK_BOUNDARY): Set properly for 64bits.
5971 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5972 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5973 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5974 (MOVE_MAX): Set to 16.
5975 (MOVE_MAX_PIECES): 8 for 64bit.
5976 (Pmode): Set to SImode.
5978 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5980 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5982 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
5984 * i386.h (mask_64bit): New constant.
5985 (target_64bit): New macro.
5986 (target_options): Add '64'/'32'
5987 (target_default): Define.
5988 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5989 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5990 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5992 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5994 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5996 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5998 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5999 LO_SUM unless for_alias is set.
6001 2001-03-08 Stan Shebs <shebs@apple.com>
6003 * objc/objc-act.c: Fix old typos in comments, add comments for
6005 (hash_init): Fix file name in error message.
6006 (hash_enter): Ditto.
6007 (hash_add_attr): Ditto.
6008 (continue_class): Ditto.
6010 2001-03-08 Bruce Korb <bkorb@gnu.org>
6012 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6013 wait4() can receive the signal.
6015 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6017 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6019 * fixinc/fixincl.x: Regenerate.
6021 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6023 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6025 * fixinc/fixincl.x: Regenerate.
6027 2001-03-08 Richard Henderson <rth@redhat.com>
6029 * configure.in (HAVE_AS_LEB128): New assembler check.
6030 * configure, config.in: Rebuilt.
6032 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6034 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6037 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6039 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6040 references to the MAXPATHLEN macro.
6042 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6043 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6046 * config/i386/xm-gnu.h, config/xm-gnu.h,
6047 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6048 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6049 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6050 and/or unused files.
6052 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6053 doing so in various xm-*.h files.
6055 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6057 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6059 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6061 * configure.in (enable_shared): Support per-package shared-library
6063 * configure: Rebuilt.
6065 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6067 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6068 for crnot. Set operands[5] in splitter.
6070 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6072 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6073 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6074 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6075 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6076 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6077 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6078 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6081 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6082 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6083 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6084 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6085 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6086 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6087 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6088 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6089 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6090 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6091 Delete unused and/or empty files.
6093 * config.gcc: Define USG in xm_defines as appropriate. Define
6094 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6095 macro. Remove deleted xm-* files from $xm_files variable.
6097 2001-03-07 Tom Tromey <tromey@redhat.com>
6099 * configure: Rebuilt.
6100 * configure.in: Allow config-lang.in to set `lang_requires' to list
6101 of other required languages.
6103 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6105 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6107 (output_prologue): Use xmalloc not oballoc.
6108 (output_epilog): Free a29k_first_epilogue_insn when finished.
6109 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6111 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6113 * builtins.c (expand_builtin_mathfn): Check
6114 flag_unsafe_math_optimizations, not flag_fast_math.
6115 (expand_builtin): Likewise
6116 * combine.c (combine_simplify_rtx): Likewise.
6117 (simplify_if_then_else): Likewise.
6118 * cse.c (fold_rtx): Likewise.
6119 * flags.h: Remove flag_fast_math. Add
6120 flag_unsafe_math_optimizations and flag_trapping_math.
6121 * fold-const.c (negate_expr): Check
6122 flag_unsafe_math_optimizations, not flag_fast_math.
6123 (invert_truthvalue): Likewise.
6124 (fold): Likewise. Before associating operands, check that
6125 code == MULT_EXPR, not code != MULT_EXPR.
6126 * ifcvt.c (noce_try_minmax): Check
6127 flag_unsafe_math_optimizations, not flag_fast_math.
6128 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6129 * invoke.texi: Document -funsafe-math-optimizations and
6130 -fno-trapping-math. Change documentation for -ffast-math.
6131 * jump.c (reversed_comparison_code_parts): Likewise.
6132 (rtx_equal_for_thread_p): Likewise.
6133 * optabs.c (emit_conditional_move): Likewise.
6134 * simplify-rtx.c (simplify_binary_operation): Likewise.
6135 (simplify_relational_operation): Likewise.
6136 (simplify_ternary_operation): Likewise.
6137 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6138 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6139 Add trapping-math and unsafe-math-optimizations entries to f_options.
6140 (set_fast_math_flags): New, sets flags for -ffast-math.
6141 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6142 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6143 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6145 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6146 (alpha_emit_conditional_move): Initialize local_fast_math to
6147 flag_unsafe_math_optimizations, not flat_fast_math.
6148 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6149 instead of setting flag_fast_math to 1.
6150 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6152 * config/i386/i386.c (override_options): Likewise
6153 * config/i386/i386.md: Likewise.
6154 * config/m68k/m68k.md: Likewise.
6155 * config/mips/mips.md: Likewise.
6156 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6157 (rs6000_generate_compare): Likewise.
6159 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6161 * Makefile.in: Set RANLIB to @RANLIB@.
6164 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6166 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6167 * fixinc/fixincl.x: Regenerated.
6169 2001-03-07 Richard Henderson <rth@redhat.com>
6171 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6173 2001-03-07 Richard Henderson <rth@redhat.com>
6175 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6176 of block notes and exception handling notes.
6178 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6179 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6180 (compile_file): ... here.
6182 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6184 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6186 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6187 config.h now. Include libiberty.h to handle alloca.
6189 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6191 * c-parse.in (yylexname): New function, split out of _yylex.
6192 (objc_rid_sans_at): New table.
6193 (init_reswords): Initialize it.
6194 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6195 retrieving the next token and checking it for significance as
6196 an ObjC keyword or string constant.
6198 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6199 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6201 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6204 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6206 * config/m68k/m68k.c (const_uint32_operand): Accept any
6207 const_int on a 32-bit host.
6209 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6211 * objc/objc-act.c (init_objc): Set save_lang_status,
6212 restore_lang_status, and mark_lang_status.
6214 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6216 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6218 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6220 * cppinternals.texi: Update.
6222 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6224 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6225 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6226 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6227 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6228 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6229 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6230 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6231 config/i386/xm-i386.h, config/i860/xm-i860.h,
6232 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6233 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6234 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6235 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6236 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6237 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6238 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6239 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6240 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6241 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6242 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6243 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6244 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6245 match the defaults provided in hwint.h.
6247 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6248 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6250 * config.gcc (xm_file): Don't set to files which are deleted.
6252 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6253 guard this file against these macros being undefined.
6255 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6257 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6258 and DECL_DEFER_OUTPUT on the decl we create, before calling
6259 rest_of_decl_compilation.
6261 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6263 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6265 * configure, config.in: Regenerate.
6266 * config.gcc: Remove references to deleted files.
6268 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6269 genrecog.c, rtl.c: Do not use alloca anywhere.
6271 * Makefile.in, build-make, system.h, config/x-interix,
6272 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6273 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6274 config/arc/xm-arc.h, config/arm/xm-arm.h,
6275 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6276 config/h8300/xm-h8300.h, config/i370/x-oe,
6277 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6278 config/i386/x-ncr3000, config/i386/x-sco5,
6279 config/i386/xm-dgux.h, config/i860/x-sysv4,
6280 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6281 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6282 config/m68k/x-hp320g, config/m69k/x-mot3300,
6283 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6284 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6285 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6286 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6287 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6288 config/mips/x-iris, config/mips/x-iris3,
6289 config/mips/x-sni-svr4, config/mips/x-sysv,
6290 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6291 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6292 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6293 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6294 config/pa/xm-papro.h, config/romp/xm-romp.h,
6295 config/rs6000/x-aix31, config/rs6000/x-aix41,
6296 config/rs6000/x-beos, config/rs6000/x-lynx,
6297 config/rs6000/x-mach, config/rs6000/x-rs6000,
6298 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6299 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6300 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6301 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6302 config/vax/xm-vms.h: Eradicate all references to alloca and
6305 * config/xm-alloca.h, config/clipper/x-clix,
6306 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6307 config/i860/x-sysv3, config/m88k/x-sysv3,
6308 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6309 (contained only alloca related hacks).
6311 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6314 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6316 * invoke.texi: Document __FAST_MATH__.
6318 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6320 * crtstuff.c: Restore include of auto-host.h.
6322 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6324 Put main() in a separate file, so that the language
6325 front-end can use a different main().
6328 * toplev.c: (main): Rename as toplev_main.
6329 * toplev.h: Declare toplev_main.
6330 * Makefile.in (OBJS): add toplev.o.
6331 (BACKEND): remove toplev.o, add main.o.
6333 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6335 * cppfiles.c (search_from): Special case the empty string.
6337 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6339 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6340 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6341 strlen or strcpy; we already know the length.
6342 (_cpp_compare_file_date): Similarly.
6343 * cpphash.h (struct cpp_reader): Delete done_initialising.
6344 (CPP_PREV_BUFFER): Delete.
6345 * cppinit.c (cpp_start_read): Don't set done_initialising.
6346 * cpplex.c (parse_string): Guarantee null-termination.
6347 (_cpp_equiv_toklists): Remove.
6348 * cpplib.c (glue_header_name): Null-terminate.
6349 (do_line): Don't leak memory.
6350 * cpplib.h (BT_WEAK): Delete.
6351 * cppmain.c (cb_ident): Strings are now null-terminated.
6353 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6355 * gcc.c (convert_filename): Append executable suffix
6356 if NO_AUTO_EXE_SUFFIX is not defined.
6357 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6358 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6360 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6362 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6363 * c-parse.gperf, c-gperf.h: Delete.
6364 (c-gperf.h was accidently re-added to the CVS repo in the rev
6365 1.16 commit by tromey)
6367 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6369 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6370 macro arguments when looking for the '('.
6371 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6372 2 when really parsing arguments; 1 when looking for '('.
6373 Always restore the lexer position.
6375 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6377 * longlong.h (umul_ppmm): Don't use a multiline string.
6379 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6381 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6382 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6383 t_bool in declaration because pcc can't combine volatile with typedef
6386 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6388 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6389 until when it is really needed.
6390 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6391 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6392 * i386.md (float?i?f splitter): Don't force source operand to memory
6394 (sse_movdfcc): Fix constraint.
6395 (sse_movdfcc splitter): Handle properly the second alternative.
6397 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6399 * cpplex.c (parse_string): Unconditionally pedwarn.
6401 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6404 * cppexp.c (parse_number): Update.
6405 * cpplex.c (parse_string): Pedwarn if multiline string does not
6406 result from a system header's macro.
6407 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6408 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6409 for function-like macros too.
6410 * c-lex.c (lex_number): Update.
6412 2001-03-03 Richard Henderson <rth@redhat.com>
6414 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6416 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6418 * combine.c (try_combine): If split with mode-changed scratch
6419 register didn't work, try the original mode.
6421 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6423 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6424 * config/c4x/c4x.h: Likewise.
6425 * stor-layout.c (compute_record_mode): Likewise.
6426 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6428 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6430 * configure.in: Kill tm.h. Include the files in the $tm_file
6431 list in all three of config.h, hconfig.h, tconfig.h, after the
6432 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6433 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6434 * configure: Regenerate.
6435 * Makefile.in (clean): Don't delete tm.h.
6437 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6438 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6439 those are not defined, set SEC and FEC to 0 and 1.
6440 * gcc.texi: Update to match.
6442 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6443 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6444 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6445 Include tconfig.h, not tm.h.
6447 * config/xm-lynx.h, config/xm-std32.h,
6448 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6449 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6450 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6451 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6452 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6453 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6454 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6455 config/i386/xm-i386.h, config/i860/xm-i860.h,
6456 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6457 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6458 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6459 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6460 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6461 config/pa/xm-linux.h, config/pa/xm-pa.h,
6462 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6463 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6464 config/pj/xm-pj.h, config/romp/xm-romp.h,
6465 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6466 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6467 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6468 config/v850/xm-v850.h, config/vax/xm-vax.h,
6469 config/we32k/xm-we32k.h:
6471 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6473 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6474 config/i370/xm-oe.h: Don't include tm.h. Don't define
6476 * config/vax/xm-vms.h: Don't include tm.h.
6478 * config/xm-lynx.h, config/avr/xm-avr.h,
6479 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6480 Delete; made empty by above changes.
6481 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6482 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6483 Don't include config/xm-lynx.h or tm.h.
6485 * config/xm-gnu.h: Don't include fcntl.h.
6486 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6488 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6490 2001-03-02 Richard Henderson <rth@redhat.com>
6492 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6493 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6495 2001-03-02 Richard Henderson <rth@redhat.com>
6497 * Makefile.in (OBJS): Add dwarf2asm.o.
6498 * dwarf2asm.c, dwarf2asm.h: New files.
6499 * dwarf2out.c (*): Use them.
6500 (size_of_uleb128, size_of_sleb128): Remove.
6501 (output_uleb128, output_sleb128): Remove.
6502 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6503 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6504 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6505 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6506 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6507 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6508 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6509 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6510 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6511 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6512 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6513 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6514 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6515 (dwarf2out_frame_debug): Remove unused variables.
6516 (output_loc_operands): Don't abort on 8 byte constants if
6517 host integers are wide enough.
6518 (output_symbolic_ref): Remove.
6519 (size_of_die): Don't assume 4 byte host integers.
6520 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6522 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6523 something stupid with HOST_WIDE_INT to long truncation.
6524 [CONST_DOUBLE]: Likewise.
6526 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6527 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6528 * config/arm/unknown-elf.h: Likewise.
6529 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6530 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6531 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6532 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6533 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6534 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6535 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6536 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6537 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6538 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6539 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6540 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6542 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6544 * cselib.c (hash_rtx): Cast enums to unsigned int.
6546 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6548 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6549 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6551 * c-format.c (C_STD_VER): Cast to int for comparisons.
6552 (check_function_format): Cast various enums to int for &.
6553 (maybe_read_dollar_number): Likewise.
6554 (check_format_info): Likewise.
6555 (check_format_info_main): Likewise.
6556 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6557 (safe_from_p): Likewise.
6558 * varasm.c (const_hash): Cast enum to int for %.
6559 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6560 pcc enum problems with < and ++ operators.
6561 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6562 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6563 (regclass_init): Change enum class to int to iterate over reg_classes.
6564 * genrecog.c (merge_trees): Cast enums for comparison.
6565 * rtl.h (GET_CODE): Cast to enum rtx_code.
6566 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6567 (GET_MODE): Cast to enum machine_mode.
6568 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6569 (GET_NOTE_INSN_NAME): Cast enum to int.
6570 * tree.h (TREE_CODE): Cast to enum tree_code.
6571 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6572 * timevar.c (timevar_print): Change loop variable id from enum to
6574 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6575 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6576 * toplev.c (compile_file): Cast enum DFI to int.
6577 (decode_d_option): Likewise.
6579 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6581 * cppinit.c (append_include_chain): Mark "after" include file name list
6582 as a system directory.
6583 * cpp.texi: Document new behavior.
6585 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6587 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6589 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6591 * cppfiles.c (struct include_file): Update.
6592 (stack_include_file): Use search_from.
6593 (cpp_included, find_include_file): Update.
6594 (cpp_execute_include): Update. ptr->name may not be
6595 null terminated. Use the new search_from member variable
6597 (_cpp_compare_file_date): Similarly.
6598 (search_from): New function, similiar to actual_directory.
6599 (actual_directory): Delete.
6600 (remap_filename): Update. loc->name may not be null terminated.
6601 (struct file_name_list): Rename search_path. Update.
6602 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6603 search_from and dir.
6604 (struct cpp_reader): Remove actual_dirs.
6605 * cppinit.c (struct cpp_pending): Update for renamed objects.
6606 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6607 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6608 * cpplib.h (struct cpp_options): Similarly.
6610 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6612 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6613 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6614 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6615 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6616 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6617 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6618 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6619 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6620 config/i370/xm-oe.h, config/i386/xm-aix.h,
6621 config/i386/xm-i386.h, config/i386/xm-osf.h,
6622 config/i860/xm-i860.h, config/i960/xm-i960.h,
6623 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6624 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6625 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6626 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6627 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6628 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6629 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6630 config/pj/xm-pj.h, config/romp/xm-romp.h,
6631 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6632 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6633 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6634 config/v850/xm-v850.h, config/vax/xm-vax.h,
6635 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6636 Do not define TRUE or FALSE.
6638 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6639 empty by above change.
6640 * config.gcc: Remove references to these files.
6642 * configure.in: Detect stdbool.h.
6643 * configure, config.in: Regenerate.
6644 * system.h: Include stddef.h here if available.
6645 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6646 Then set up a sensible boolean type at the very end.
6648 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6649 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6651 * hash.h: Delete 'boolean' typedef and related #undefs.
6653 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6654 all uses of 'boolean' with 'bool'.
6656 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6658 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6659 * cppexp.c (lex): Cast enums for comparison.
6660 * cppinit.c (parse_option): Cast enum for comparison.
6661 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6662 (cpp_output_token): Likewise.
6663 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6664 (cpp_avoid_paste): Cast enums for minus and comparison.
6666 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6668 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6669 field to all array elements.
6671 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6673 * cpphash.h (struct cpp_reader): Add print_version field.
6674 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6675 just set print_version and other flags as appropriate.
6676 (cpp_post_options): Print version here if print_version is set.
6678 * toplev.c (exit_after_options): New flag.
6679 (independent_decode_option): Don't exit here; just set
6681 (main): Exit after calling lang_hooks.post_options if
6682 exit_after_options is true.
6684 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6685 (merge_include_chains): Adjust comment to match code.
6687 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6689 * stringpool.c (set_identifier): New function.
6690 * tree.h: Prototype it.
6692 * c-parse.in: Kill D_YES. If compiled for objc, call
6693 save_and_forget_protocol_qualifiers from init_reswords.
6694 * objc/objc-act.c (remember_protocol_qualifiers,
6695 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6696 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6698 (save_and_forget_protocol_qualifiers): New function.
6699 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6701 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6703 * c-semantics.c (prune_unused_decls): Return error_mark_node
6704 instead of (tree) 1 to stop traversing the tree chain.
6706 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6708 Fix a problem introduced by Kenner's Feb 18 change.
6709 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6710 flag_cse_skip_blocks only temporarily, not for ever.
6712 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6714 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6715 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6717 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6718 before determining its register class.
6720 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6722 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6723 from reg 4 if current_function_calls_setjmp.
6724 (gen_nop_type): New function.
6725 (ia64_emit_nops): New function.
6726 (ia64_reorg): Call it.
6727 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6729 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6730 code not to try to optimize adds with anything but a REG destination.
6732 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6733 (INSN_PRIORITY_KNOWN): New accessor macro.
6734 * haifa-sched.c (priority): Use it instead of testing priority against
6737 2001-02-28 DJ Delorie <dj@redhat.com>
6739 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6740 since that doesn't work the way gcc wants on a generic m68k.
6742 2001-02-28 Richard Henderson <rth@redhat.com>
6744 * caller-save.c (save_call_clobbered_regs): Fix typo in
6745 comparison last change.
6747 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6749 * i386.c (pentium4_cost): New.
6750 (m_PENT4): New macro.
6751 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6752 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6753 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6754 x86_memory_mismatch_stall): Add Pentium4
6755 (x86_use_q_reg, x86_use_any_reg): Kill.
6756 (override_options): Add pentium4.
6757 (incdec_operand): Return 0 for pentium4.
6758 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6759 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6760 (TARGET_PENTIUM4): Define.
6761 (enum processor_type): Add PROCESSOR_PENTIUM4.
6762 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6763 * i386.md (attribute "cpu"): Add pentium4.
6764 * invoke.texi (march): Add pentium4.
6766 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6768 * i386.md (sse_mov?fcc*): New patterns and splitters.
6769 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6770 the SSE based conditional moves.
6772 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6774 * i386.md (attribute mode): Add "TI".
6775 (movsf_1): Add pxor support; remove constant propagation splitter.
6776 (movdf_integer): Likewise.
6777 (movdf_nointeger): Likewise.
6778 (movxf constant prop splitter): Handle all modes; update for SSE.
6779 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6780 * i386.c (standard_80387_constant_p): Rewrite.
6781 (standard_sse_constant_p): New.
6782 * i386-protos.h (standard_sse_constant_p): New.
6784 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6786 * i386.md (sse_setccsf, sse_setccdf): New.
6787 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6789 * i386.c (sse_comparison_operator): Accept the supported unordered
6790 comparses; be ready for fast_math.
6791 (print_operand): Support 'D'.
6793 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6795 * jump.c (reversed_comparison_code): Kill.
6797 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6799 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6802 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6804 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6805 add missing '%' in constraints.
6807 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6809 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6810 for HOST_BITS_PER_WIDE_INT == 32 too.
6812 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6814 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6816 (insert_save, insert_restore): New parameter save_mode.
6817 (init_caller_save): Update initialization of reg_save_code
6818 and reg_restore_code.
6819 (save_call_clobbered_regs): Compute save_modes and update calls to
6820 reg_save_code and reg_restore_code.
6821 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6822 of spill; update use of reg_restore_code.
6823 (insert_save): Likewise.
6824 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6825 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6826 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6828 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6830 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6831 noce_try_store_flag_inc, noce_try_store_flag_mask,
6832 noce_try_cmove_arith):
6833 Use reversed_comparison_code instead of reverse_comparison and
6834 can_reverse_comparison_p.
6836 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6838 * jump.c (reversed_comparison_code_parts): Allow reversal of
6839 unordered compares in -ffast-math mode; reverse ordered compares
6840 for FP even w/o -ffast-math.
6842 2001-02-27 Richard Henderson <rth@redhat.com>
6844 * print-rtl.c (print_rtx) [i]: Don't print field five on
6845 NOTEs other than NOTE_INSN_DELETED_LABEL.
6847 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6849 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6850 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6852 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6854 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6855 even if walk_subtrees is 0.
6856 * c-semantics.c (prune_unused_decls): Return a non-null value to
6857 stop traversing the tree chain.
6859 2001-02-27 DJ Delorie <dj@redhat.com>
6861 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6862 register, *then* define it as the new CFA.
6864 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6866 * pa.c (override_options): Promote -fpic to -fPIC.
6867 (legitimize_pic_address): Simplify due to removal of
6868 small PIC as a code generation option.
6869 (secondary_reload_class): Similarly.
6870 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6871 (PRINT_OPERAND_ADDRESS): Similarly.
6872 * pa.md (various patterns): Similarly.
6873 (small pic lo_sum pattern): Remove.
6875 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6878 * md.texi (min, max): Document
6880 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6882 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6883 TARGET_PARTIAL_REG_DEPENDENCY.
6884 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6886 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6888 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6890 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6892 * mips.c (mips_make_temp_file): Fix thinko in last change.
6894 2001-02-26 Jason Eckhardt <jle@redhat.com>
6896 * combine.c (known_cond): Do not reverse the condition when
6897 SMAX/UMAX is being considered and the condition is for equality
6900 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6902 2001-02-26 Philip Blundell <philb@gnu.org>
6904 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6906 * config/arm/linux-elf.h: Remove historical relics related to
6907 above configurations.
6908 * config/arm/linux-oldld.h: Delete.
6909 * config/arm/linux-elf26.h: Delete.
6911 2001-02-26 Jason Merrill <jason@redhat.com>
6913 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6915 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6916 recognize a tentative definition. Lose obsolete code.
6918 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6919 variables unless necessary, either.
6921 2001-02-25 Richard Henderson <rth@redhat.com>
6923 * ifcvt.c (struct noce_if_info): Add test_bb.
6924 (noce_get_alt_condition): New.
6925 (noce_try_minmax, noce_try_abs): New.
6926 (noce_operand_ok): New.
6927 (noce_process_if_block): Use them.
6928 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6930 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6932 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6935 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6937 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6938 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6940 (mips_asm_file_end): Free temp_filename here.
6942 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6944 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6945 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6947 * config/i386/i386.md (movstrsi): Handle FAIL case.
6949 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6951 * cppinit.c (builtin_array): Update.
6952 (init_builtins): Flag builtins to warn if redefined or
6953 undefined. Define __GXX_WEAK as a normal macro.
6954 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6955 * cpplib.h (NODE_WARN): New flag.
6956 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6957 Handle __STDC__ as a builtin only on Solaris.
6958 (warn_of_redefinition): Renamed from check_macro_definition.
6959 Reverse sense of test. Always warn if NODE_WARN.
6960 (_cpp_create_definition): Use warn_of_redefinition. Flag
6961 any macro beginning with "__STDC_" to require a mandatory
6962 warning if redefined or undefined.
6964 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6966 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6967 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6968 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6969 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6970 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6971 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6972 Don't define any of:
6973 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6974 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6975 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6976 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6977 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6979 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6980 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
6983 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
6984 Delete now-empty file.
6986 * alpha/vms.h: Define NEED_ATEXIT here...
6987 * alpha/xm-vms.h: ...not here.
6989 * i386/cygwin.h: Don't define PARAMS.
6990 * mips/mips.c: Don't prototype mktemp. Don't define
6991 P_tmpdir. Use make_temp_file to create temporary files.
6992 Don't be clever and delete temporary files early.
6993 * config.gcc: Drop references to deleted files. Don't define
6995 * gcc.texi: Don't mention USE_PROTOTYPES.
6997 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6999 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7000 (ix86_set_move_mem_attrs_1): Likewise.
7001 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7002 * config/i386/i386.md (movstrsi): Call it.
7004 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7006 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7007 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7008 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7009 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7011 (i750a-*-*): Error here if hosting on i750a.
7012 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7014 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7015 Remove (empty modulo comments).
7017 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7018 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7019 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7020 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7021 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7022 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7024 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7025 Remove reference to winnt.h in comment.
7026 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7028 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7030 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7031 used to set another biv.
7033 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7035 * tree.h (BLOCK_DEAD): New macro.
7036 (struct tree_block): New flag, dead_flag.
7037 * print-tree.c (print_node, case 'b'): Print missing fields.
7038 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7039 * function.c (identify_blocks): Enable test for misplaced notes.
7040 (all_blocks): Skip BLOCK_DEAD blocks.
7041 * integrate.c (integrate_decl_tree): Likewise.
7043 * errors.c (internal_error, trim_filename): New functions.
7044 (fancy_abort): Call internal_error.
7045 * errors.h (internal_error, trim_filename): New declarations.
7047 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7049 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7051 (EXTRA_CONSTRAINT): Formatting changes.
7053 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7055 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7057 2001-02-23 Per Bothner <per@bothner.com>
7059 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7060 so they can be called from java/jvspec.c.
7061 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7063 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7065 * i386.c (ix86_frame): New structure.
7066 (ix86_compute_frame_size): Kill.
7067 (ix86_compute_frame_layout): New.
7068 (ix86_save_reg): New.
7069 (ix86_can_use_return_insn_p): Use frame layout stuff.
7070 (ix86_expand_prologue): Likewise.
7071 (ix86_expand_epilogue): Likewise.
7072 (ix86_initial_elimination_offset): Likewise.
7073 (ix86_nsaved_regs): Use ix86_save_reg.
7074 (ix86_emit_save_regs): Likewise.
7076 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7078 * flow.c (find_sub_basic_blocks): New function.
7079 (split_block): Be ready for basic block introduced by CODE_LABEL.
7080 (commit_one_edge_insertion): Call find_sub_basic_block.
7082 * flow.c (make_edges): Add edge from entry for blocks starting with
7083 label having ALTERNATE_NAME
7085 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7087 * function.c (epilogue_done): Be ready for first basic block not
7088 containing PROLOGUE_END note.
7089 (reposition_prologue_and_epilogue_notes): Avoid placing
7090 PROLOGUE_END note between BASIC_BLOCK.
7092 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7094 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7096 2001-02-21 DJ Delorie <dj@redhat.com>
7098 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7099 check for current_function_has_nonlocal_goto from 1999-11-12.
7101 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7103 * diagnostic.c (trim_filename): No longer static.
7104 * toplev.h (trim_filename): Declare.
7105 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7106 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7107 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7108 (rtvec_check_failed_bounds): Likewise.
7109 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7111 * convert.c (convert_to_integer): Don't do unsigned unless result or
7112 both inputs are unsigned.
7114 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7117 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7119 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7121 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7123 * Makefile.in (resource.o): Add params.h dependence.
7124 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7125 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7126 * resource.c: Add dependence on params.h.
7127 (current_live_regs): Fix explanatory comment.
7128 (find_basic_block): Add new parameter to permit limiting search
7130 (mark_target_live_regs): Add new argument to find_basic_block call.
7131 (incr_ticks_for_insn): Likewise.
7133 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7135 * diagnostic.c (output_to_stream): Rename to
7136 output_buffer_to_stream. Loses the stream parameter.
7137 (init_output_buffer): Set diagnosic_buffer's stream.
7138 (flush_diagnostic_buffer): Adjust.
7139 (default_print_error_function): Likewise.
7140 (finish_diagnostic): Likewise.
7141 (verbatim): Likewise.
7143 * diagnostic.h (struct output_buffer): Add `stream' field.
7144 (output_buffer_attached_stream): New macro.
7146 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7148 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7149 check if either operand is divisible by C.
7150 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7151 If type is signed, consider negative numbers as well.
7153 2001-02-22 Richard Henderson <rth@redhat.com>
7155 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7156 reach .text instead of gp-relative relocs.
7157 * config/ia64/crtend.asm (.init): Likewise.
7159 2001-02-22 Andreas Jaeger <aj@suse.de>
7161 * extend.texi (C++ Attributes): Fix typo.
7163 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7165 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7166 functions, drop current_function_args_info.words test.
7167 (ia64_compute_frame_size): Mark syscall_linkage functions as
7168 using eight input registers.
7170 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7171 Bruce Korb <bkorb@gnu.org>
7173 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7174 * fixinc/README: Document how to convert sed substitutions
7175 to format style c_fix-es.
7176 * fixinc/fixincl.x: regen
7178 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7180 * gcc.c: Add comment explaining how to add a command-line option.
7181 Add title to specs language comment.
7183 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7185 * gcc.c (cc1_options): Add "-param".
7186 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7187 (option_map): Likewise.
7188 * toplev.c (display_help): Add entry for "--param".
7189 (independent_decode_option): Fix typographical error.
7191 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7192 Bernd Schmidt <bernds@redhat.com>
7193 Jan Hubicka <jh@suse.cz>
7195 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7196 (function_arg): Likewise.
7198 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7200 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7202 2001-02-21 Kazu Hirata <kazu@hxi.com>
7204 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7208 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7210 * flow.c (init_propagate_block_info): Canon address and use single_set
7211 for killing dead memory stores.
7213 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7215 * Makefile.in (reorg.o): Add params.h dependence.
7216 * params.def: Fix typographical error in comment.
7217 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7218 * params.h: Modify introductory comment.
7219 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7220 * reorg.c: Add dependence on params.h.
7221 (redundant_insn): Add parameterized throttle for search.
7222 (fill_simple_delay_slots): Add a comment explaining a variable.
7223 Move conditional out of loop, simplifying code.
7224 (fill_eager_delay_slots): Fix typographical error in comment.
7226 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7228 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7230 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7231 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7233 2001-02-21 Jason Merrill <jason@redhat.com>
7235 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7236 (struct tree_decl): Add uninlinable bitfield.
7237 * c-decl.c (duplicate_decls): Set it.
7238 * integrate.c (function_cannot_inline_p): Check it.
7240 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7241 DW_AT_MIPS_linkage_name to abstract methods.
7242 (dwarf2out_abstract_function): Emit class context before calling
7243 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7244 (gen_subprogram_die): Remove obsolete code.
7245 (gen_member_die): Don't include clones in the member list.
7246 (gen_decl_die): Emit abstract info for clone origin.
7247 * dwarfout.c (output_type): Don't include clones in the member list.
7248 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7249 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7250 DECL_ABSTRACT on a function that already has it set.
7252 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7253 (get_subprogram_die): Pass it in.
7255 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7257 * flow.c (mark_set_1): Make not_dead unsigned long. For
7258 non-pseudos, use it as a bitmask of the hard regs that
7261 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7263 * cppfiles.c: Update comments.
7264 (_cpp_read_file): Don't check for NULL filenames any more.
7265 * cppinit.c (cpp_start_read): Don't do canonicalization of
7266 in_fname and out_fname. Use the passed file name exclusively.
7267 (_cpp_handle_options): Don't treat "-" as a command line option,
7268 but as a normal filename.
7269 (_cpp_post_options): Canonicalize in_fname and out_fname.
7270 * cppmain.c (printer_init): Don't check out_fname for NULL.
7271 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7272 (init_c_lex): Update, and use "" to represent stdin to CPP.
7275 2001-02-20 Will Cohen <wcohen@redhat.com>
7277 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7278 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7279 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7282 2001-02-20 Stan Shebs <shebs@apple.com>
7284 * config/rs6000/rs6000.c (output_cbranch): Output branches
7285 on separate lines instead of using ';' to separate.
7287 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7289 * cppinit.c (set_lang): Move builtin handling to...
7290 (init_builtins): ...here.
7291 (_cpp_create_reader): Move call to set_lang.
7293 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7295 * stmt.c (expand_return): If an attempt is made to return the
7296 error_mar_node, treat the return like a return without a value.
7298 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7300 * sibcall.c (skip_copy_to_return_value): Call
7301 identify_call_return_value here, and return orig_insn if it
7302 returns zero. Hardret and softret arguments now unnecessary.
7303 (call_ends_block_p): Don't call identify_call_return_value here.
7305 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7307 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7308 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7310 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7312 * pa.c (move_operand): Accept code to load the address of a
7313 symbol out of the DLT as a valid move operand.
7314 (print_operand, case 'A'): New to handle generating a DLT
7315 reference for a LO_SUM expression.
7316 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7317 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7319 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7321 * README, cpp.texi, gcc.texi, version.c: Update version number to
7323 * cpp.1, gcov.1, gcc.1: Regenerate.
7325 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7327 * cppfiles.c (stack_include_file): Generate dependencies
7328 here, and manage include_count here too.
7329 (PRINT_THIS_DEP): Delete.
7330 (_cpp_execute_include): Do not generate dependencies here,
7331 apart from the case of a missing header. Do not manage
7333 (_cpp_read_file): Leave dependency generation to
7336 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7338 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7339 target_cpu_default. Remove dead assignment to
7342 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7344 * regclass.c (contains_reg_of_mode): Make global.
7345 (init_reg_sets): Remove contains_reg_of_mode; take into account
7346 CLASS_MAX_NREGS when looking for the proper mode.
7347 (dump_regclass): Dump only classes considered for the pseudo.
7348 (regclass): Use contains_reg_of_mode.
7350 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7352 * gcc.c (do_spec_1): 'n' for printing notices.
7353 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7355 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7357 * reg-stack.c (next_flags_user): Use current_block->end
7358 (swap_rtx_condition): Look for next user if flags don't die;
7359 give up on CALL_INSNs; use current_block->end.
7361 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7363 * sibcall.c (call_ends_block_p): New function.
7364 (optimize_sibling_and_tail_recursive_call): Use it.
7366 2001-02-18 Kazu Hirata <kazu@hxi.com>
7368 * config/h8300/h8300.md: Update copyright.
7369 (andsi3): Do not output an extra newline character.
7371 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7373 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7374 FNDECL may be unused.
7376 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7377 follow jumps after first run.
7378 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7379 it doesn't change any jumps.
7381 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7383 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7384 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7385 (mostlyclean): Corresponding changes.
7386 * rtlanal.c (hard-reg-set.h): Include.
7387 (rtx_unstable_p): Do not treat the argument pointer specially
7388 if it is not a fixed register.
7389 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7391 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7393 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7394 against last real insn in basic block.
7395 Rework to avoid gotos.
7397 * Makefile.in (gcse.o): Now includes ggc.h.
7398 * gcse.c: Include ggc.h.
7399 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7400 (try_replace_reg): Remove warning of uninitialize variable.
7401 (process_insert_insn): Call invalid_insn_p to validate insn.
7402 * recog.c (insn_invalid_p): Now global.
7403 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7404 * recog.h (insn_invalid_p): New declaration.
7406 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7408 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7409 assignments from FP constants since 'Y' output code can't handle it.
7410 (eligible_for_sibcall_delay): Likewise.
7412 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7413 Call fancy_abort directly, passing args.
7414 (print_rtl_and_abort): Now a macro, like fancy_abort.
7416 * final.c (output_operand_lossage): Use internal_error, not error.
7418 2001-02-18 Shane Nay <shane@agendacomputing.com>
7420 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7421 structure shift insns.
7423 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7425 * invoke.texi (-fsquangle): Remove documentation.
7426 (-fname-mangling-version): Likewise.
7428 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7430 * optabs.c (expand_abs): Remove reference to
7431 HAVE_contitional_arithmetic.
7432 * combine.c (simplify_set): Likewise.
7434 2001-02-18 Richard Henderson <rth@redhat.com>
7436 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7439 2001-02-18 Richard Henderson <rth@redhat.com>
7441 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7443 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7445 * reload1.c (reload_cse_simplify_set): Fix typo.
7447 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7449 * diagnostic.c (_fatal_insn): Decrement errorcount.
7451 * invoke.texi (-I): Add note avoiding use for system header files.
7453 * rtl.h (add_clobbers): Remove duplicate declaration.
7454 * recog.h (added_clobbers_hard_reg_p): New declaration.
7455 * genemit.c (struct clobber_pat): New field has_hard_reg.
7456 (gen_insn): Record if added clobbers clobber hard reg.
7457 (gen_split): Avoid unused warning if number of operands is 0.
7458 (output_added_clobbers_hard_reg_p): New function.
7461 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7463 * pa.c (hppa_expand_prologue): Simplify code storing return
7464 pointer. For large (>=8k) frames with a post_store, adjust stack
7465 pointer by 8k-64 first rather than by 64. When testing with
7466 VAL_14_BITS_P, always use the actual value rather than the value
7467 negated. Add blockage to prevent scheduling of spills before
7468 stack frame has been created.
7469 (hppa_expand_epilogue): Simplify code loading return pointer.
7470 Allow a slightly larger range for merge_sp_adjust_with_load case.
7471 When testing with VAL_14_BITS_P, always use the actual value.
7473 * pa.c (pa_adjust_insn_length): Check that block move
7474 pattern is a set before looking at operands.
7476 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7478 * fold-const.c (fold_binary_op_with_conditional_arg): New
7479 function, split out from ...
7481 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7482 conditional arms that throw exceptions.
7484 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7487 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7489 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7490 define HAVE_DECL_* to 1 to mask potential backup declarations.
7491 * configure: Regenerated.
7493 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7495 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7497 2001-02-17 Richard Henderson <rth@redhat.com>
7499 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7500 when replacing a memory load with a register.
7502 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7503 Jan Hubicka <jh@suse.cz>
7505 * recog.c (validate_replace_src_1): New.
7506 (validate_replace_src_data): Likewise.
7507 (validate_replace_src): Use note_uses.
7508 * rtl.h (note_uses): Declare.
7509 * rtlanal.c (note_uses): New.
7511 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7513 * reg-stack.c (stack_def): Make field reg unsigned.
7514 (remove_regno_note): Unsignetize parameter.
7516 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7518 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7519 shladd_operand() call.
7521 2001-02-16 Bruce Korb <bkorb@gnu.org>
7522 Rodney Brown <RodneyBrown@mynd.com>
7524 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7525 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7526 machine restrictions
7527 * fixinc/fixincl.x: regen
7529 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7531 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7533 (hash_scan_insn): Clean up calls to hash_scan_set.
7534 (compute_kill_rd): REGNO now unsigned.
7535 (try_replace_reg): Rework to use simplify_replace_rtx.
7536 (cprop_jump, cprop_cc0_jump): Likewise.
7537 (cprop_insn): Call find_reg_equal_equiv_note.
7538 Reflect changes to cprop_jump and cprop_cc0_jump.
7540 * recog.c (validate_replace_src): Replace in operands of
7541 ZERO_EXTRACT in SET_DEST.
7543 * cse.c (new_label_ref): New variable.
7544 (insert): Set it instead of recorded_label_ref.
7545 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7546 CODE_LABEL for this function, and not already in REG_LABEL note.
7548 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7550 * resource.c (mark_referenced_resources): Fix typo in introductory
7552 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7555 2001-02-16 Jason Merrill <jason@redhat.com>
7557 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7559 (gen_subprogram_die): Don't abort on seeing a second definition if
7560 the previous one was abstract. Don't replace an abstract instance
7561 in the lookup table.
7563 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7564 gen_abstract_function.
7565 * dwarf2out.h: Declare it.
7566 * toplev.c (note_outlining_of_inline_function): New fn.
7567 * toplev.h: Declare it.
7568 * integrate.c (output_inline_function): Call it.
7569 * c-decl.c (duplicate_decls): Call it when redefining an extern
7570 inline. Don't inline the new defn.
7572 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7574 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7576 * .gdbinit: Rename to gdbinit.in.
7577 * gdbinit.in: New file,
7578 * configure.in: Generate .gdbinit from gdbinit.in.
7579 * configure: Regenerated.
7580 * Makefile.in (distclean): Always remove .gdbinit.
7582 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7584 * objc/objc-act.c (start_class): Register implemented_classes with
7587 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7589 * cppfiles.c (_cpp_make_system_header): Generate a file
7592 2001-02-15 Jim Meyering <meyering@lucent.com>
7594 * Makefile.in (install-common): Don't depend on installdirs here.
7595 Instead, make each of the lang.install-common targets (e.g.,
7596 c++.install-common in cp/Make-lang.in) depend on it.
7597 (install-driver): Depend on installdirs.
7599 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7601 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7603 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7606 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7608 * invoke.texi (--param): Document.
7610 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7612 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7614 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7616 * i386.md (extendsfdf2_2): Fix constraints.
7618 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7620 * i386.md (fop_df_3 splitter): Fix operand number.
7622 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7624 * invoke.texi (-mreg-alloc): Nuke.
7625 * i386.c (ix86_reg_alloc_order, regs_allocated,
7626 order_regs_for_local_alloc): Nuke.
7627 (override_options): Kill reg_alloc code.
7628 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7629 (REG_ALLOC_ORDER): SSE goes before I387.
7630 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7631 (ix86_reg_alloc_order): Likewise.
7632 * i386-protos.h (ix86_reg_alloc_order): Kill.
7634 2001-02-14 Richard Henderson <rth@redhat.com>
7636 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7638 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7640 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7642 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7644 * i386-protos.h (ix86_memory_move_cost): Move offline.
7645 * i386.c (ix86_register_move_cost): Compute properly cost of
7646 SSE, MMX and i387 instructions.
7647 (*_cost): Add costs of SSE/MMX moves.
7648 (ix86_memory_move_cost): Move offline from ....; Likewise.
7649 * i386.h (MEMORY_MOVE_COST): .... here;
7650 (struct processor costs): Add new fields to represent costs
7653 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7655 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7656 move_cost together with Matt Kraai's fix.
7658 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7660 * Makefile.in (OBJS): Add params.o.
7662 2001-02-14 Richard Henderson <rth@redhat.com>
7663 DJ Delorie <dj@redhat.com>
7665 * jump.c (jump_optimize_1): When we delete a conditional jump
7666 preceeding a non-conditional jump to effectively the same place,
7667 make sure that the combined jump skips any clobber insns between
7670 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7672 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7674 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7676 * Makefile.in (toplev.o): Depend on params.h.
7677 (intergate.o): Likewise.
7678 (params.o): New target.
7679 * flags.h (inline_max_insns): Remove.
7680 * integrate.c: Include params.h.
7681 Use MAX_INLINE_INSNS instead of inline_max_insns.
7682 * params.c: New file.
7683 * params.h: Likewise.
7684 * params.def: Likewise.
7685 * toplev.c: Include params.h.
7686 (lang_independent_params): New variable.
7687 (decode_f_option): Use the param machinery instead of setting
7689 (independent_decode_option): Handle "--param name=value".
7690 (main): Register language-independent parameters.
7692 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7694 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7696 2001-02-14 Richard Henderson <rth@redhat.com>
7698 * regclass.c (init_reg_sets_1): Revert last two changes.
7700 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7702 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7703 (variable_size): Call put_pending_size.
7704 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7705 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7706 sizes list, put newly created SAVE_EXPR there as well.
7708 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7710 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7711 (errata_find_address_regs): load_group has only 2 entries.
7712 (errata_emit_nops): Likewise. shladd is not problematic.
7713 Clear last_group if nop was emitted.
7714 (fixup_errata): load_group has only 2 entries.
7717 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7719 * c-lex.c (lex_number): Only warn traditionally for U suffix
7720 outside system macros.
7721 * cppexp.c (parse_number): Similarly.
7722 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7723 * cppmacro.c (struct cpp_macro): New member node.
7724 (parse_args): Only warn about missing rest args if not
7726 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7727 (cpp_sys_objmacro_p): New.
7728 (_cpp_create_definition): Store the node with the macro defn.
7729 Remember if the macro is defined in a system header.
7731 2001-02-13 DJ Delorie <dj@redhat.com>
7733 * configure.in (check_languages): determine languages to check
7734 * Makefile.in (check-c++): alias for check-g++
7735 (check-f77): alias for check-g77
7736 (CHECK_TARGETS): depend on configured languages
7738 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7740 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7741 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7742 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7743 (sqrtextendsfdf2): Disable for SSE2.
7745 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7747 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7748 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7749 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7750 (sqrtextendsfdf2): Disable for SSE2.
7752 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7754 * i386.md (movsfcc_1): Support integer cmove instruction.
7755 (movdfcc_1): Likewise; new splitter.
7757 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7759 * i386.c (output_fp_compare): Support SSE.
7760 (prepare_fp_compare_args): SSE comparisons always support memory.
7761 * i386.h (TARGET_CMOVE): SSE imply cmove.
7762 * i386.md (cmp?f2): Enable for SSE too.
7763 (cmpfp_i*): Support SSE.
7765 (cmpfp_i_sse_only): New.
7766 (s*, b* fp expanters): Enable for SSE too.
7767 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7770 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7772 * regclass.c (init_reg_sets_1): Silence warning.
7774 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7776 * i386.md (sqrt?f2): Change to expander.
7777 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7779 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7781 * rtlanal.c (find_reg_equal_equiv_note): New function.
7782 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7783 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7784 * rtl.h: Add declarations for above functions.
7786 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7788 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7790 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7791 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7792 * flow.c (mark_regs_live_at_end): Likewise.
7793 (calculate_global_regs_live): Likewise.
7794 * gcse.c (compute_hash_table): Likewise.
7795 (compute_kill_rd): Likewise.
7796 * resource.c (mark_target_live_regs): Likewise.
7797 * rtl.h (INVALID_REGNUM): New macro.
7799 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7801 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7803 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7805 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7808 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7810 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7812 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7813 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7814 (fop_sf_1_sse, fop_df_1_sse): New patterns
7815 (fop_*): Disable float_extend and float patterns for SSE compilation.
7816 * i386.c (output_387_binary_op): Support SSE.
7818 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7820 * i386.md (dummy_extendsfdf2): Support SSE2
7821 (extendsfdf2): Enable if 80387 or SSE2.
7822 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7823 and no MIX_I387_SSE2
7824 (extendsfdf2_1_sse_only): New pattern.
7825 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7827 (truncdfsf2_1): Support SSE.
7828 (truncdfsf2_2): Support SSE.
7829 (truncdfsf2_2_1_sse): New pattern.
7830 (fixtruncsfsi2): Always use SSE if available.
7831 (fix_truncsfsi_sse): New pattern.
7832 (fix_truncdfsi_sse): New pattern.
7833 (floatsis?f2): Support SSE.
7834 (floatsidf2_i387): New pattern.
7835 (floatsidf2_sse): Likewise.
7837 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7839 * configure.in: Use "have_gnat" variable, not "gnat".
7840 * configure: Regenerated.
7842 * config/sparc/sparc.c (function_value): Treat all non-record
7843 aggregate types like used to treat UNION_TYPE.
7845 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7847 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7848 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7850 (MASK_MIX_SSE_I387): New.
7851 (TARGET_SSE): SSE2 imply SSE.
7852 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7853 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7854 (enum reg_class): Add new classes.
7855 (REG_CLASS_NAMES): Likewise.
7856 (REG_CLASS_CONTENTS): Likewise.
7857 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7858 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7859 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7860 (CLASS_MAX_NREGS): Use new macros.
7861 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7862 * i386.md (pushsf, movsf): Support SSE.
7863 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7864 splitters to use ANY_FP_REGNO_P.
7865 (movdf_nointeger, movdf_integer): Likewise.
7867 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7869 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7870 (try_combine): Use it.
7872 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7874 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7875 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7876 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7877 (REGISTER_MOVE_COST): Likewise.
7878 * i386-protos.h (ix86_secondary_memory_needed,
7879 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7880 * i386.c (ix86_secondary_memory_needed,
7881 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7883 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7885 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7886 (HARD_REGNO_MODE_OK): Move offline to ....
7887 * i386.c (ix86_hard_regno_mode_ok) ... here;
7888 refuse all incorrect modes.
7889 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7891 2001-02-13 Richard Henderson <rth@redhat.com>
7893 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7894 entire operator; replicate that and match_dup the operands.
7895 (cmp_ccx_arith_op_set): Likewise.
7896 (cmp_cc_arith_op_not_set): Likewise.
7897 (cmp_ccx_arith_op_not_set): Likewise.
7899 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7901 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7903 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7905 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7906 (TARGET_NO_BITFIELD_WORD): New macro.
7907 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7908 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7910 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7912 * cselib.c: New file, from simplify-rtx.c.
7913 * simplify-rtx.c: Remove cselib parts.
7914 * Makefile.in: Add cselib.o.
7916 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7918 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7919 (setup_incoming_varargs): Remove warning.
7921 * config/rs6000/rs6000.c (validate_condition_mode): When
7922 flag_fast_math, allow floating-point conditionals to be reversed.
7923 (rs6000_generate_compare): When flag_fast_math, don't generate
7924 cror operations for FP conditionals.
7926 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7928 (ASM_SPEC): Likewise.
7929 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7930 (CC1_SPEC): Likewise.
7931 (LINK_TARGET_SPEC): Likewise.
7932 (CPP_ENDIAN_SPEC): Likewise.
7933 * Makefile.in (check-consistency): New target.
7935 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7937 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7938 "return type defaults" warning for functions with return type
7940 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7941 function declarations by default rather than only when pedantic.
7943 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7945 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7948 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7950 * extend.texi (Deprecated): Deprecate new initializer lists.
7952 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7954 * mkdeps.c (deps_add_default_target): Robustify. Add
7955 basename component only.
7956 * cpp.texi (-M): Describe how default target is generated.
7957 * invoke.texi (-M): Likewise.
7959 2001-02-12 Kazu Hirata <kazu@hxi.com>
7961 * toplev.c (push_float_handler): Remove.
7962 (pop_float_handler): Remove.
7963 * toplev.h: Remove prototypes for the above functions.
7965 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7967 * c-common.c (constant_fits_type_p): New function.
7968 (convert_and_check): Use it.
7970 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7972 * Makefile.in (GXX_ABI_FLAG): Don't define.
7973 * configure.in (--enable-new-gxx-abi): Remove option.
7974 * config.in: Regenerated.
7975 * configure: Likewise.
7977 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7979 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7981 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7982 regular basic block, and arrange for all edges into it to switch
7985 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7987 * Makefile.in (distclean): Do not remove .gdbinit.
7989 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7991 * Makefile.in (gcc.o): Fix typos.
7992 (protize.o): Likewise.
7993 (unprotoize.o): Likewise.
7995 2001-02-11 Richard Henderson <rth@redhat.com>
7997 * tree.c (build1): Check for null operand in last change.
7999 2001-02-11 Richard Henderson <rth@redhat.com>
8001 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8002 (fold): Don't assume a constant isn't foldable.
8003 * tree.c (build): Set TREE_CONSTANT for an expression with no
8004 side-effects and constant operands.
8007 2001-02-10 Richard Henderson <rth@redhat.com>
8009 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8011 2001-02-10 Anthony Green <green@redhat.com>
8013 * cpp.texi (Standard Predefined): Add documentation for
8016 * c-common.c (combine_strings): Improve warning message.
8018 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8020 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8022 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8024 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8026 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8029 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8031 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8034 2001-02-09 Nick Clifton <nickc@redhat.com>
8036 * config/arm/arm.md: Change output contraint on post inc
8037 load/store multiple patterns to be a read/write contraint.
8039 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8041 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8042 .o files when using the -M options.
8044 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8045 David Edelsohn <edelsohn@gnu.org>
8047 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8048 handle DImode constants. Use one TOC entry for SImode and smaller
8049 constants, aligned properly.
8051 2001-02-08 Jason Merrill <jason@redhat.com>
8053 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8054 about the SP adjustment for saving the static chain pointer.
8055 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8056 offset when setting a temporary CFA register.
8058 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8060 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8061 powerpc-*-chorusos* .
8062 * config/rs6000/chorus.h : New file.
8063 * config/i386/chorus.h : New file.
8064 * config/sparc/chorus.h : New file.
8065 * config/sparc/t-chorus-elf : New file.
8067 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8069 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8070 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8071 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8072 (__WCHAR_TYPE__): Correct macro name.
8074 2001-02-08 Richard Henderson <rth@redhat.com>
8076 * config/i386/i386.c (ix86_frame_pointer_required): New.
8077 (ix86_setup_frame_addresses): New.
8078 (struct machine_funciton): Add accesses_prev_frame.
8079 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8080 ix86_frame_pointer_required.
8081 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8082 (SETUP_FRAME_ADDRESSES): New.
8083 * config/i386/i386-protos.h: Update.
8084 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8085 from FRAME_POINTER_REQUIRED.
8086 * config/i386/svr3gas.h: Likewise.
8087 * config/i386/sysv3.h: Likewise.
8088 * config/i386/v3gas.h: Likewise.
8090 2001-02-08 Richard Henderson <rth@redhat.com>
8092 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8093 calculation of the number of integer registers required.
8094 (function_arg_record_value): Likewise.
8096 2001-02-08 Jason Merrill <jason@redhat.com>
8098 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8099 two. Print file and line with "confused" message.
8101 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8103 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8105 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8107 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8109 * final.c (cleanup_subreg_operands): The address of a MEM can
8112 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8115 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8117 * gcc.texi (Incompatibilities): Update documentation of
8118 preprocessing numbers.
8120 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8122 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8124 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8126 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8128 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8129 * gcc.c (struct compiler): Add cpp_spec field.
8130 (input_file_compiler): New variable.
8131 (do_spec_1): Allow a particular compiler to handle `%C'
8133 (main): Store the current compiler in input_file_compiler.
8134 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8136 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8138 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8139 * cppinit.c (cpp_create_reader): Initialize them.
8140 (append_include_chain): cxx_aware arg might be unused.
8141 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8142 keywords and give them their phase 7 meaning. Pedwarn about
8143 this unless '__bool_true_false_are_defined' is defined.
8145 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8147 * lcm.c (optimize_mode_switching): Emit mode_set before the
8148 JUMP_INSN of an abnormal edge.
8150 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8152 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8153 a scheduling barrier at the end.
8155 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8157 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8159 * config/sh/sh.md (reload_outsf): Removed.
8160 (movsf_ie): Introduce constraints for FPUL loads and stores.
8161 (reload_insf): Broaden the output constraint.
8163 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8165 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8166 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8168 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8170 * final.c: Revert my previous changes.
8171 * output.h: Make profile_label_no extern.
8172 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8173 for generating label.
8175 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8177 * config/i386/djgpp.h: Add comments about standard paths.
8178 (MD_EXEC_PREFIX): Undefine before defining.
8179 (MD_STARTFILE_PREFIX): New.
8181 2001-01-30 Bruce Korb <bkorb@gnu.org>
8183 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8184 (load_file): do not rely on load_file_data() to close file pointer
8185 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8186 fixinc/inclhack.def(irix_limits_const): add test_text
8188 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8190 * cppexp.c (parse_defined): Improve diagnostics for invalid
8193 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8195 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8197 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8199 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8200 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8201 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8202 (rs6000_output_symbol_ref): New function.
8203 (output_toc): Use VTABLE_NAME_P.
8205 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8207 * print-tree.c (print_node, case PARM_DECL):
8208 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8210 * stor-layout.c (reference_types_internal): New variable.
8211 (internal_reference_types): New function.
8212 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8213 * tree.h (internal_reference_types): New declaration.
8215 * cse.c (find_best_addr): Fix typo in computing cost.
8217 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8219 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8220 and this is the sum of a pointer and a constant, we know the result
8222 (num_sign_bit_copies, case PLUS): Likewise.
8223 * explow.c (convert_memory_address): Remove opposite SUBREG.
8224 * function.c (instantiate_new_reg): New function (from common code).
8225 (instantiate_virtual_regs_1): Call it.
8226 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8227 if pointers sign- or zero-extend.
8228 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8229 If pointers extend unsigned, use inside of SUBREG.
8230 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8232 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8234 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8235 subdir of gcc_gxx_include_dir.
8236 (gcc_gxx_target_include_dir): Remove.
8238 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8240 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8241 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8242 a high-level description.
8244 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8246 * final.c: Move the declaration of profile_label_no to ...
8247 * output.h: ... here.
8248 * function.c (expand_function_start): Call PROFILE_HOOK.
8249 * config/rs6000/aix.h: Define PROFILE_HOOK.
8250 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8251 * config/rs6000/rs6000.c (output_profile_hook): Define.
8252 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8253 output_profile_hook.
8254 tm.texi : Explain new macro PROFILE_HOOK.
8256 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8258 * extend.texi (Extended Asm): Do not say that semicolon is always
8259 a valid line-breaking character for GNU assemblers. Use
8260 newline-tab as the most commonly supported syntax. Use
8261 newline-tab rather than semicolon in multi-insn examples.
8263 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8265 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8267 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8268 David Edelsohn <edelsohn@gnu.org>
8270 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8271 code for AIX, even without flag_pic.
8273 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8275 * c-typeck.c (common_type): push and pop binding level around
8276 calling common_type on function parameters.
8278 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8280 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8282 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8284 * config/mips/mips.c (override_options): Fix typo in last change.
8285 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8286 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8288 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8290 * invoke.texi (-fdump-class-layout): Document.
8291 (-fdump-translation-unit): Use `=' as filename separator.
8293 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8295 * Makefile.in (s-mlib): Don't build multilibs if
8297 (DRIVER_DEFINES): Adjust accordingly.
8299 (protoize.o): Likewise.
8300 (unprotoize.o): Likewise.
8301 * configure.in: Recognize --enable-multilib.
8303 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8305 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8307 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8308 * configure.in: Remove --enable-libstdcxx_v3 support.
8309 * configure: Regenerated.
8311 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8313 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8314 Call abort instead of fatal.
8315 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8316 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8317 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8318 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8319 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8320 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8322 * diagnostic.h (set_internal_error_function): Renamed.
8323 * toplev.h (internal_error): Renamed from fatal.
8324 (pfatal_with_name): Deleted.
8325 (fatal_io_error): Now has printf-style arguments.
8326 * diagnostic.c (pfatal_with_name): Deleted.
8327 (fatal_io_error): Rework to have args in printf-style.
8328 (set_internal_error_function): Renamed from set_fatal_function.
8329 (internal_error): Renamed from fatal.
8330 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8331 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8332 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8333 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8334 * flow.c (verify_flow_info): Likewise.
8335 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8336 * config/mips/mips.c (save_restore_insns): Likewise.
8338 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8339 * flow.c (verify_flow_info): Likewise.
8340 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8341 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8342 (avr_normalize_condition): Likewise.
8343 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8344 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8345 (limit_reload_class, double_reg_to_memory): Likewise.
8346 (print_operand_address, emit_1600_code_shift): Likewise.
8347 (gen_tst_reg, gen_compare_reg): Likewise.
8348 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8349 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8351 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8353 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8354 * objc/objc-act.c (build_ivar_chain): Likewise.
8355 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8357 * graph.c (clean_graph_dump_file): Likewise.
8358 * profile.c (init_branch_prob): Likewise.
8359 * objc/objc-act.c (objc_init): Likewise.
8361 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8362 * config/avr/avr.c (avr_override_options): Likewise.
8363 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8364 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8365 * config/h8300/h8300.c (h8300_init_once): Likewise.
8366 * config/mips/mips.c (override_options): Likewise.
8367 * config/i386/i386.c (override_options): Likewise, rework.
8368 * config/m68k/m68k.c (override_options): Likewise.
8370 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8372 * config/mips/mips.c (print_operand): Likewise.
8373 * hash.c (hash_allocate): Don't check for failure returns from
8374 obstack functions that can't fail.
8375 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8376 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8377 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8378 (get_object_reference): Likewise.
8380 2001-02-04 Nick Clifton <nickc@redhat.com>
8382 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8383 StrongARM1110, 10TDMI, and 1020T.
8385 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8387 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8389 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8391 * config/sh/sh.md (movdf load split): Pass register number to
8392 FP_OR_XD_REGISTER_P.
8394 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8396 * cppinit.c (BC): New macro.
8397 (builtin_array): Add __GXX_WEAK__.
8398 * cpplib.h (builtin_type): Add BT_WEAK.
8399 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8400 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8401 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8403 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8405 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8407 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8409 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8410 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8412 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8414 * cpphash.h: Rename ALIGN _ALIGN.
8415 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8417 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8419 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8420 compilation environment.
8421 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8422 control over location of cygwin includes and libs.
8424 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8426 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8428 2001-02-02 lars brinkhoff <lars@nocrew.org>
8430 * md.texi (Standard Names): remove reference to spur.md.
8432 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8434 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8435 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8436 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8437 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8438 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8440 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8442 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8443 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8444 number before reload.
8445 (c4x_adjust_cost): Return zero before reload.
8446 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8447 split before reload.
8449 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8451 * c4x.c (c4x_hard_regno_rename_ok): New.
8452 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8453 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8455 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8457 * diagnostic.h: Add missing "extern" in all declarations.
8459 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8461 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8462 as for gcc_gxx_include_dir.
8464 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8466 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8468 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8470 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8471 label before alignment to be used as the braf base address.
8472 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8474 (casesi_jump_2): Require at least TARGET_SH2.
8476 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8477 truncation to 32-bit doubles on -m3e and -m4-single-only.
8479 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8481 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8482 the default when building a shared object.
8483 (init_spec): Use it.
8484 * testsuite/lib/g++.exp: Include the directory where libgcc
8485 is located to the LD_LIBRARY_PATH list.
8486 * invoke.texi (-shared-libgcc): Document the cases in which
8487 GCC defaults to using the shared libgcc.
8489 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8491 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8492 unsigned is wide enough.
8494 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8495 (si_to_float): Likewise.
8496 (float_to_si, float_to_usi): Use BITS_PER_SI.
8498 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8500 * dwarf2out.c: Added explanation of abbreviations.
8501 (def_cfa_1): Added comments listing DWARF2 instructions.
8502 (cfa_temp_reg): Removed in favor of cfa_temp.
8503 (cfa_temp_value): Removed in favor of cfa_temp.
8504 (cfa_temp): New global variable.
8505 (dwarf2out_frame_debug_expr): Added extensive introductory
8506 comments explaining the function's transformations. Revised to
8507 use cfa_temp. Added some rtx checking. Generalize IOR case.
8508 (dwarf2out_frame_debug): Revised to use cfa_temp.
8509 (output_aranges): Cast as "unsigned" to avoid warning.
8510 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8511 explain which instructions must be marked.
8513 2001-02-01 Richard Henderson <rth@redhat.com>
8515 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8518 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8520 * config/sh/crt1.asm (main_k): Modified so that start calls
8521 ___setup_argv_and_call_main.
8523 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8525 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8526 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8527 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8528 * cppmacro.c (builtin_macro): Set builtin flags here.
8529 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8530 (replace_args): Clarify intent.
8531 (cpp_get_token): Macro expansion tokens get the saved flags.
8533 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8536 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8538 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8541 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8543 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8544 returns Pmode pseudo, but we need ptr_mode.
8545 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8546 Remove bogus conversions; use HOST_WIDE_INT for size.
8547 Don't use TARGET if wrong mode.
8549 * config/i386/i386.c (ix86_compute_frame_size): Allow
8550 stack_alignment_needed to be non-default even if size is zero.
8552 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8554 * pa.c (hppa_init_pic_save): New function.
8555 * pa.h (hppa_init_pic_save): Declare.
8556 * pa.md (call, call_value, sibcall, sibcall_value): Use
8557 the above instead of duplicated code.
8559 * pa.c (hppa_encode_label): Correct size of alloca buffer
8560 so we don't overrun it. Correct leading `*' case.
8561 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8562 need to handle `*@'.
8563 (FUNCTION_NAME_P): Likewise.
8565 2001-01-31 Richard Henderson <rth@redhat.com>
8567 * config.gcc (alpha-osf5): Use float-i128.h.
8569 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8570 * config/float-i32.h: Likewise.
8571 * config/float-i64.h: Likewise.
8572 * config/float-sh.h: Likewise.
8573 * config/float-sparc.h: Likewise.
8575 2001-01-31 DJ Delorie <dj@redhat.com>
8577 * expmed.c (extract_bit_field): allow non-integral modes if we
8578 want to extract a whole register from itself.
8580 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8582 * c-typeck.c (set_init_index): If first is equal to last, assume as
8583 if it was not a range at all.
8585 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8587 * config/fp-bit.c: Include tm.h.
8588 (float_to_si): Don't assume SImode is 32-bits wide.
8589 (float_to_usi): Likewise.
8591 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8593 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8595 (typename): Call pending_xref_error after parsing typed_typespecs.
8596 * c-decl.c (lookup_tag): Give error immediately rather than
8597 leaving it pending if the tag of the wrong type is in the same
8599 (xref_tag): Don't pedwarn for forward declarations of enum types
8601 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8604 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8606 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8608 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8610 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8611 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8613 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8615 * cpphash.h (struct cpp_reader): New saved_flags.
8616 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8617 to avoid a paste after a pasted token.
8619 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8621 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8622 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8623 Wtype_MIN instead of LONG_MIN.
8625 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8627 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8629 * fixinc/fixincl.x: Regenerated.
8630 * fixinc/inclhack.def (irix_limits_const): New definition to
8631 convert "const" to "__const" in limits.h.
8633 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8635 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8637 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8639 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8640 when register dies in the insn.
8642 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8644 * diagnostic.c (fatal): Fix word wrap.
8646 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8648 * combine.c (try_combine): Fix SUBREG setting for
8649 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8651 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8653 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8656 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8658 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8660 * toplev.c (decode_W_option): Update warn_larger_than
8661 unconditionally for each processed switch.
8663 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8665 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8667 (hppa_expand_prologue): Delete code to save pic offset table register
8668 in the function prologue.
8669 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8670 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8671 table register at the beginning of the function after the prologue.
8673 2001-01-29 lars brinkhoff <lars@nocrew.org>
8675 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8677 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8678 Jeff Law <law@redhat.com>
8680 * pa.md (return): Revise comment for trivial return.
8681 (return_internal): Non-trivial return pattern for non-PIC code.
8682 (return_internal_pic): Non-trivial return pattern for PIC code.
8683 It uses the PIC register to ensure it is restored after
8685 (epilogue): Generate appropriate return for PIC and non-PIC code.
8687 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8689 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8691 2001-01-29 DJ Delorie <dj@redhat.com>
8693 * combine.c (if_then_else_cond): Pass the correct mode to
8694 operand_subword() for constants.
8696 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8698 * config/i386/cygwin.h: Add w32api to include search. Search different
8699 directories in a cross-build environment.
8701 2001-11-29 Tim Josling <tej@melbpc.org.au>
8703 * tree.h (TYPE_STUB_DECL): Add documentation.
8705 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8707 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8708 (sdbout_field_types): Likwise. Fix use of host_integerp.
8710 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8712 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8715 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8717 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8718 to use flag_gnu_linker.
8720 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8722 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8723 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8725 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8727 * tree.c, tree.h (build_parse_node): Remove; was identical to
8729 * c-lang.c (start_cdtor), objc/objc-act.c
8730 (build_module_descriptor): Use build_nt instead of
8733 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8735 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8736 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8737 not have any upper bits set.
8739 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8741 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8743 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8745 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8747 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8749 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8750 (integer_minus_one_node): Define.
8752 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8754 * Makefile.in (bootstrap2-lean): Fix typo.
8756 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8758 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8759 : Don't set fe_value.
8760 * cpplib.h (AVOID_LPASTE): New flag.
8761 (struct cpp_hashnode): Remove fe_value.
8762 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8763 * cppmacro.c (builtin_macro): Don't set flags here.
8764 (replace_args): Set AVOID_LPASTE flag on first token of an
8765 argument, and the token following it.
8766 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8767 macro expansion, and on the token following it. Do it for
8769 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8771 2001-01-27 Richard Henderson <rth@redhat.com>
8773 * config/alpha/t-ieee: Remove multilibbing.
8774 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8776 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8778 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8780 * Makefile.in: Remove all dependencies on defaults.h.
8781 * builtins.c: Don't include defaults.h.
8782 * c-common.c: Likewise.
8783 * c-decl.c: Likewise.
8784 * c-pragma.c: Likewise.
8785 * c-typeck.c: Likewise.
8786 * combine.c: Likewise.
8788 * frame-ia64.c: Likewise.
8789 * cppexp.c: Likewise.
8790 * crtstuff.c: Likewise.
8791 * dbxout.c: Likewise.
8792 * dwarf2out.c: Likewise.
8793 * dwarfout.c: Likewise.
8794 * emit-rtl.c: Likewise.
8795 * except.c: Likewise.
8797 * final.c: Likewise.
8798 * frame-dwarf2.c: Likewise.
8799 * libgcc2.c: Likewise.
8800 * optabs.c: Likewise.
8801 * profile.c: Likewise.
8802 * sdbout.c: Likewise.
8803 * toplev.c: Likewise.
8804 * tradcif.y: Likewise.
8806 * varasm.c: Likewise.
8808 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8810 * builtins.c (expand_builtin_fputs): Use size_one_node when
8811 transforming into fwrite.
8813 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8815 * extend.texi (Attribute Syntax): New section.
8817 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8819 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8820 they didn't need fixing.
8822 2001-01-27 Janis Johnson <janis@us.ibm.com>
8824 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8826 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8827 to remove macro definitions that are duplicated from elfos.h.
8829 2001-01-27 Richard Henderson <rth@redhat.com>
8831 * config/i386/sco5gas.h: Move ...
8832 * config/usegas.h: ... here.
8833 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8835 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8837 * c-typeck.c (struct constructor_stack): Add range_stack member.
8838 (really_start_incremental_init): Clear it.
8839 (push_init_level): Save constructor_range_stack and clear it if
8840 pushing explicit braces.
8841 (pop_init_level): abort if constructor_range_stack is non-zero at
8842 explicit closing brace. Restore saved constructor_range_stack if
8845 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8847 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8848 into register was forced into memory.
8850 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8852 * Makefile.in: Remove uses of + before $(MAKE).
8854 2001-01-26 Richard Henderson <rth@redhat.com>
8856 * stmt.c (cost_table): Remove.
8857 (COST_TABLE, cost_table_initialized): New.
8858 (estimate_case_costs): Use the later instead of the former.
8859 (balance_case_nodes): Likewise.
8861 2001-01-26 Richard Henderson <rth@redhat.com>
8863 * alias.c (objects_must_conflict_p): Read-only slots may not
8864 conflict despite having the same type.
8866 2001-01-27 Michael Hayes <mhayes@redhat.com>
8868 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8870 (check_ext_dependant_givs): Initialise u_start_val and
8872 (load_mems): Make last_max_reg unsigned.
8873 (try_swap_copy_prop): Use INSN_P and initialise set.
8875 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8877 * README.AVR : Removed.
8879 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8881 * pa-64.h (text_section): Remove declaration.
8883 * pa.md (return_internal): Remove mode on PIC register use.
8885 2001-01-25 lars brinkhoff <lars@nocrew.org>
8887 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8888 ASM_CLOSE_PAREN): fix typos.
8890 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8892 * acconfig.h: Define `const' to the empty string if neither
8893 __STDC__ nor __cplusplus is defined.
8894 * config.in: Regenerated.
8896 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8898 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8899 * collect2.c (main): Delete importf. Add ".obj" file extension.
8900 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8901 (aix_std_libs): Add additional AIX libraries to skip.
8902 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8903 * config/rs6000/aix51.h: New file.
8905 2001-01-25 Michael Hayes <mhayes@redhat.com>
8907 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8908 (loop_insn_emit_before): No longer static.
8909 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8910 (loop_givs_rescan, load_mems): Likewise.
8911 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8912 (maybe_eliminate_biv_1):
8913 (move_movables): Replace emit_call_insn_before with
8914 loop_call_insn_hoist.
8915 * loop.h (loop_insn_emit_before): Add.
8916 * unroll.c (copy_loop_body): Replace emit_insn_before with
8917 loop_insn_emit_before.
8919 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8921 * diagnostic.c (fatal): Request preprocessed source.
8923 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8925 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8926 olddecl has argument types and newdecl has none, use the argument
8929 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8931 * dwarf2out.c (prefix_of): New function. Determine longest common
8932 prefix of the two arguments. The units are whole path components.
8933 (output_file_names): When adding a new directory find the one entry
8934 with the longest common prefix already in the list. Artificially
8935 generate entry if there is none for this prefix.
8936 Fix test to check whether the zeroth directory entry is used.
8938 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8940 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8941 Changed all callers. Take it into account when deciding if a
8942 previously loaded value matches.
8944 2001-01-24 Richard Henderson <rth@redhat.com>
8946 * reload.c (find_reloads_subreg_address): Fail the substitution
8947 if the resulting address is insufficiently aligned.
8949 2001-01-24 DJ Delorie <dj@redhat.com>
8951 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8952 check the original operand's mode also.
8953 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8955 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8957 * c-parse.in (cast_expr): Move compound literals from here ...
8958 (primary): ... to here. Use standard terminology "compound
8959 literal" instead of "constructor expression".
8961 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8963 * gcc.1, cpp.1: Regenerate.
8965 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8967 * calls.c (emit_library_call_value_1): Memory slot for
8968 pass-by-reference argument should have the mode of the argument,
8969 not of the pointer to it.
8971 2001-01-24 Tom Tromey <tromey@redhat.com>
8973 * gcc.texi (G++ and GCC): Mention gcj manual.
8974 (Standards): Link to section of manual mentioning gcj/Java
8977 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8979 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8980 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8981 * tradcpp.c (main): Add -imacros or -include'd dependencies
8983 * cpp.texi (-M, -MM): Document -M -include behaviour.
8985 2001-01-24 Roger Collins <roger@ProProject.com>
8987 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8989 2001-01-24 Will Cohen <wcohen@redhat.com>
8991 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8992 whether registers are 32 bits or 64 bits in size.
8994 2001-01-24 Ben Elliston <bje@redhat.com>
8996 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8998 2001-01-24 Richard Henderson <rth@redhat.com>
9000 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9001 (builtin_longjmp): Use it instead of emit_indirect_jump.
9003 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9005 * bb-reorder.c (make_reorder_chain_1): Handle case where
9006 jump edge goes to the same block as the fallthru edge.
9008 2001-01-23 Jim Wilson <wilson@redhat.com>
9010 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9011 * frame.h (__ia64_personality_v1): Add prototype.
9012 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9013 prototype form. Add void * cast to first argument to personality
9015 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9016 (asctoe113): Likewise.
9017 * config/ia64/frame-ia64.c: Include eh-common.h.
9018 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9020 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9022 (itanium_split_issue): Add prototype.
9023 (gen_nop_type): Ifdef out.
9024 (find_best_packet): Initialize best_packet.
9025 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9027 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9028 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9029 (flushrs): Add explicit stop bit at end.
9030 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9033 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9035 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9037 * libgcc2.c (__terminate_func): Make variable static.
9038 (__terminate_set_func): New function to set __terminate_func.
9039 * libgcc2.h (__terminate_func_ptr): New typedef.
9040 (__terminate_set_func): New function.
9042 2001-01-23 Richard Henderson <rth@redhat.com>
9044 * flow.c (init_propagate_block_info): Don't consider unchanging
9045 memories for dead frame store elimination.
9047 2001-01-23 Richard Henderson <rth@redhat.com>
9049 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9050 * defaults.h: ... here.
9052 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9054 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9056 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9058 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9060 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9062 * rs6000.h (rs6000_return_addr): Move prototype from here...
9063 * rs6000-protos.h (rs6000_return_addr): ...to here.
9064 (rs6000_init_expanders): Delete prototype.
9066 2001-01-23 Nick Clifton <nickc@redhat.com>
9068 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9069 (Spec Files): Document %B and %j and %. and %v3 and %M and
9070 %{S*&T} spec switches.
9072 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9074 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9076 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9077 Neil Booth <neil@daikokuya.demon.co.uk>
9079 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9080 Have -Werror make pedantic warnings errors, like the
9083 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9085 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9087 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9089 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9090 * integrate.c (expand_inline_function): Initialize them.
9091 (subst_constants): If changing COMPARE so that both its arguments
9092 will be VOIDmode and the comparison mode will be lost, note
9093 compare_mode. Use the recorded compare_mode to optimize
9096 2001-01-23 Jason Merrill <jason@redhat.com>
9098 * dwarf2out.c (new_die): Use xcalloc.
9099 (output_die): Abort rather than emit a local reference to offset 0.
9101 2001-01-17 Andrew Haley <aph@redhat.com>
9103 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9104 of a saved register; return NULL instead.
9105 (copy_reg): Take a pointer to a source register rather than a
9107 (next_stack_level): Remember the address in the stack frame of all
9109 Use the saved register pointer array as the source of the CFA.
9110 (throw_helper): Rewrite. Unwind once rather than twice and keep
9111 track of saved registers as we go.
9113 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9115 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9116 * c4x.c (c4x_legitimize_reload_address): Remove.
9117 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9118 reload address for ldp(k) insn.
9120 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9122 * pa.md (return_internal): Add a USE of the PIC register to ensure
9123 it is restored after each call.
9124 (return expander): Corresponding changes.
9126 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9128 * rs6000.h (INIT_EXPANDERS): Delete.
9129 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9130 * rs6000.c (rs6000_override_options): Call *_machine_status from
9132 (rs6000_init_expanders): ...instead of here. Delete.
9133 (rs6000_mark_machine_status): New function.
9134 (rs6000_init_machine_status): Use xcalloc.
9135 (rs6000_return_addr): Generate RTX for the return address.
9136 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9137 (rs6000_stack_info): Use it.
9139 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9141 * gthr-win32.h: Include errno.h to get a declaration for
9142 EINVAL and _mingw.h if the target is mingw32.
9144 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9146 * cpp.texi: Correct typos.
9148 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9150 * explow.c (probe_stack_range): Ensure value passed to
9151 stack_check_libfunc is ptr_mode, not Pmode.
9153 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9155 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9156 case, don't use operand_subword to calculate a SUBREG that is
9159 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9161 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9163 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9164 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9165 valid. If not replace it by equivalent insns.
9167 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9169 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9170 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9171 (c4x_U_constraint, symbolic_address_operand): Likewise.
9172 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9174 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9175 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9176 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9177 anulling slot because of silicon bug.
9178 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9180 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9182 * cppexp.c (parse_charconst): Change `mask' type to agree
9185 2001-01-21 Richard Henderson <rth@redhat.com>
9187 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9188 pic_label_name in a linkonce section.
9190 2001-01-17 Philipp Thomas <pthomas@suse.de>
9192 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9194 * configure: Regenerate.
9196 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9198 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9199 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9201 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9203 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9204 If REVERSE nonzero then condition code in X must be reversed.
9205 (encode_section_info): Optimise if/else.
9206 (avr_function_value): Fix formatting.
9208 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9209 (difficult_branch): Likewise.
9210 (rvbranch): Likewise.
9211 (difficult_rvbranch): Likewise.
9213 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9215 * config/avr/libgcc.S: Fix comment.
9217 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9219 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9221 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9223 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9225 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9227 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9228 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9229 * configure, config.in: Regenerate.
9230 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9231 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9232 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9233 (doprint.o): New rule.
9235 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9237 * c-typeck.c (digest_init): Handle boolean types as scalars.
9239 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9241 * stmt.c (expand_return): Don't return anything if size is zero.
9242 Delete redundant assignment to BYTES.
9243 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9245 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9247 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9248 the same as the default library function names.
9249 * config/avr/avr.md: Document special characters after '%'.
9250 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9251 knowing which of the call-used registers are really clobbered.
9252 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9253 New. Both quotient and remainder from one libgcc.S call.
9254 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9255 clobber as few registers as possible.
9256 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9258 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9260 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9261 context of the top of the stack.
9263 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9265 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9266 (fixup_var_refs_insns): ...here.
9268 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9270 * function.c (fixup_var_refs_insns): Break up into
9271 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9272 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9273 [loop over hash table entries].
9274 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9275 fixup_var_refs_insns_with_hash, to match above changes.
9277 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9279 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9280 (libgcc.a): Likewise.
9281 (stmp-multilib): Likewise.
9282 (STAGE2_FLAGS_TO_PASS): Likewise.
9284 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9286 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9287 temporary if no_new_pseudos.
9289 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9291 * cppinternals.texi: Update.
9293 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9295 * arm.c (arm_init_builtins): Re-enable builtins.
9297 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9299 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9300 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9301 element to be null, and always expect an EXPR_LIST.
9302 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9303 * sched-deps.c (sched_analyze_1): Likewise.
9304 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9306 * regclass.c (max_set_parallel): New variable.
9307 (reg_scan): Take it into account in computation of max_parallel.
9308 (reg_scan_mark_refs, case SET): Compute it.
9310 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9312 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9313 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9315 2001-01-19 Jason Merrill <jason@redhat.com>
9317 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9318 for the abstract instance of an inline function.
9320 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9321 J"orn Rennecke <amylaar@redhat.com>
9323 * reload1.c (move2add_note_store): Treat all registers directly or
9324 indirectly derived from a base register as members of the same set
9326 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9327 of base register into account.
9329 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9331 * alias.c (find_base_value): Recognize TRUNCATE.
9332 (record_set): In PLUS case, invalidate if other summand is also a
9335 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9337 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9338 entry to be EXPR_LIST.
9339 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9340 be an EXPR_LIST (but not null, which other code doesn't allow).
9341 (note_stores): Properly handle PARALLEL in SET.
9342 Recursively call for top-level PARALLEL.
9343 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9344 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9346 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9348 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9350 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9351 not pfile->skipping (== 0).
9353 2001-01-17 Nick Clifton <nickc@redhat.com>
9355 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9358 2001-01-17 Jim Wilson <wilson@redhat.com>
9360 * invoke.texi (IA-64 options): Improve.
9362 2001-01-17 Tom Tromey <tromey@redhat.com>
9364 * invoke.texi (Optimize Options): Use `{}' to around @samp
9367 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9369 * invoke.texi (-fno-guess-branch-probability): New option.
9371 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9373 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9374 case of making new double-word constant.
9375 Revert last change: instead just test i3_subst_into_i2.
9377 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9379 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9380 Use q constraints instead of r.
9382 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9384 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9385 (machine_function): Define.
9386 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9387 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9388 pa_free_machine_status): New functions.
9389 (override_options): Set {init,mark,free}_machine_status to above.
9390 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9391 PIC_OFFSET_TABLE_REGNUM_SAVED.
9392 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9393 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9394 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9395 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9396 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9398 2001-01-15 DJ Delorie <dj@redhat.com>
9400 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9404 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9406 * flow.c (propagate_on_insn): Make trying to delete a prologue
9407 or epilogue insn an ICE, not a warning. Allow doing this if
9408 the current function returns with stack pointer depressed.
9410 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9411 I3 having more than one SET.
9413 2001-01-16 Jim Wilson <wilson@redhat.com>
9415 * invoke.texi: Document IA-64 options.
9417 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9418 (fixup_errata): Delete TARGET_A_STEP use.
9419 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9420 (TARGET_SWITCHES): Delete -ma-step option.
9421 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9422 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9423 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9424 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9425 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9426 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9428 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9429 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9430 cmovsi_internal): Delete ! TARGET_A_STEP check.
9432 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9434 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9435 possibility to report bugs via postal mail. Change a URL and
9436 merge in a nearly duplicate statement...
9437 (Bug Reporting): ...from here.
9438 (Service): Refer to the Bug Reporting section instead of
9440 (Contributing): Remove trivial explanations concerning snapshots.
9442 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9444 * cppmain.c (general_init): Don't use ANSI prototype.
9446 2001-01-16 Tom Tromey <tromey@redhat.com>
9448 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9450 2001-01-16 Richard Henderson <rth@redhat.com>
9452 * config/i386/i386.h: Fix comment typo.
9453 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9454 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9456 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9458 * gcc.c: Revert previous -fsyntax-only-related change; move
9461 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9463 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9464 inmode after checking GET_CODE (op).
9466 2001-01-16 Richard Henderson <rth@redhat.com>
9468 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9469 (MAX_MEM_SET_LIST_LEN): New.
9470 (propagate_one_insn): Update mem_set_list_len.
9471 (invalidate_mems_from_autoinc): Likewise.
9472 (invalidate_mems_from_set): Likewise.
9473 (mark_used_regs): Likewise.
9474 (init_propagate_block_info): Likewise. Stop collecting memories
9475 when we reach MAX_MEM_SET_LIST_LEN.
9476 (mark_set_1): Likewise.
9478 2001-01-16 Richard Henderson <rth@redhat.com>
9480 * unroll.c (precondition_loop_p): Fail if no iteration
9483 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9485 * gcc.c: When -fsyntax-only is given, do not complain about
9488 2001-01-15 Richard Henderson <rth@redhat.com>
9490 * config/i386/i386.c (asm_output_function_prefix): Remove.
9491 (ix86_asm_file_end): New.
9492 (load_pic_register): Generate pic_label_name into a
9493 staticly allocated buffer.
9494 * config/i386/i386-protos.h: Update.
9495 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9496 (ASM_FILE_END): New.
9497 * config/i386/i386afe.h: New file.
9498 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9499 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9500 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9501 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9502 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9503 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9504 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9506 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9508 * Makefile.in (install-man): Remove explicit dependency on
9511 * configure.in, configure: Revert previous patch requiring perl
9514 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9516 * toplev.c (flag_guess_branch_prob): New.
9517 (f_options): Add guess-branch-probability option.
9518 (rest_of_decl_compilation): Only estimate branch probability if
9520 (main): set flag_guess_branch_prob.
9522 * flags.h (flag_guess_branch_prob): New.
9524 2001-01-15 DJ Delorie <dj@redhat.com>
9526 * gcc.texi (Makefile): Add documentation for Makefile targets.
9528 2001-01-15 Philip Blundell <philb@gnu.org>
9530 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9532 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9533 (is_pic): Delete declaration.
9534 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9535 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9536 * config/arm/arm.md (builtin_setjmp_receiver): New.
9538 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9540 * arm.c (use_return_insn): Don't try to determine the function type
9541 until after reload has completed.
9542 (arm_output_epilogue): Don't adjust the sp value recovered from the
9544 (emit_multi_reg_push): Don't record dwarf information for the pc.
9545 * arm.md (eh_epilogue): The function type may have changed, so it
9546 needs to be recalculated.
9547 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9548 unwind tables on arm/netbsd.
9550 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9552 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9553 (negated_cbranchsi4): Likewise.
9555 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9557 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9558 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9559 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9560 pass -mapcs-* options to assembler.
9561 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9562 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9563 (ASM_SPEC): Call subtarget_extra_asm_spec.
9565 2001-01-15 Andreas Jaeger <aj@suse.de>
9567 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9569 (ix86_expand_builtin): Likewise.
9571 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9572 warning about comparison between signed and unsigned.
9574 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9576 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9578 2001-01-14 Ralf Baechle <ralf@gnu.org>
9580 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9581 SUBTARGET_CPP_SPEC apropriatly.
9583 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9585 * varasm.c (make_decl_rtl): Fix typo in last change.
9587 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9589 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9590 linker supports the init_priority C++ attribute.
9591 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9592 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9593 linker does not support init_priority C++ attribute.
9595 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9597 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9599 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9601 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9602 * cp/lex.c (finish_parse): Similarly.
9603 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9604 Return the number of errors encountered.
9605 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9606 * cppmain.c (main): Don't call cpp_destroy.
9608 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9610 * configure.in: Require at least perl 5.6.0 to regenerate
9612 * configure: Regenerate.
9614 2001-01-14 Richard Henderson <rth@redhat.com>
9616 * genrecog.c (DT_veclen_ge): New.
9617 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9618 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9619 (nodes_identical_1): Handle DT_veclen_ge.
9620 (write_cond, debug_decision_2): Likewise.
9622 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9624 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9626 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9628 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9630 * cppmain.c (do_preprocessing): New function; most of the old
9632 (main): Call it to do most of the work.
9633 (cb): Move from global scope to set_callbacks ().
9634 (setup_callbacks): Get the callback pointer.
9635 (general_init, printer_init): Clean up code and comments.
9637 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9639 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9642 2001-01-14 Kazu Hirata <kazu@hxi.com>
9644 * config/h8300/h8300.c (get_shift_alg): Update comments.
9646 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9648 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9649 (alloc_page, ggc_alloc): Add casts to remove warnings.
9651 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9653 * combine.c (simplify_comparison): Don't change `code' when
9654 can't reverse comparison.
9656 2001-01-14 Richard Henderson <rth@redhat.com>
9658 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9659 update all call sites. Return true for all non-label constants.
9661 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9663 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9665 (ix86_expand_branch): Update.
9666 (ix86_expand_setcc): Update to handle multiple test conditions.
9667 (expand_int_movcc): Likewise.
9668 (expand_fp_movcc): Likewise.
9669 * i386-protos.h (ix86_expand_compare): New.
9670 * i386.md (andqi_?_slp, orqi_?_slp): New.
9671 (conditional trap expander): Update call to ix86_expand_compare.
9673 2001-01-14 Richard Henderson <rth@redhat.com>
9675 * config/vax/vax.md: Use nonimmediate_operand instead of
9676 general_operand in destinations.
9678 * config/vax/vax.md (indirect_jump): Use register_operand.
9680 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9681 * config/vax/vax.md (call_pop): Turn into an expander.
9682 (call_value_pop): Likewise.
9683 (call, call_value): New.
9685 2001-01-14 Andreas Jaeger <aj@suse.de>
9687 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9689 (ix86_fp_compare_mode): Add unused attribute.
9690 (ix86_expand_fp_movcc): Remove unused variable.
9691 (ix86_expand_builtin): Make fcode unsigned.
9693 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9694 (expand_expr): Add cast to avoid signed warning.
9695 (store_field): Likewise.
9696 (store_constructor_field): Likewise.
9697 (store_constructor): Likewise.
9698 (store_expr): Likewise.
9699 (clear_storage): Likewise.
9700 (emit_group_store): Likewise.
9701 (emit_group_load): Likewise.
9703 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9705 * c-common.c: Move format checking code to ...
9706 * c-format.c: ... here. New file. Reorder some functions and
9708 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9710 * c-common.h (decl_handle_format_attribute,
9711 decl_handle_format_arg_attribute): Declare.
9712 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9713 (c-common.o): Adjust dependencies.
9714 (c-format.o): New list of dependencies.
9716 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9718 * unroll.c (loop_iterations): If we cannot prove iteration variable
9719 is set once in each iteration, punt.
9721 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9723 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9724 (*strlenhi): Remove clobber (which was buggy) of output address.
9726 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9728 * Makefile.in (generated-manpages): Add gcc.1
9729 ($(srcdir)/gcc.1): New target.
9730 (maintainer-clean): Delete $(srcdir)/gcc.1.
9731 * gcc.texi: Add macros @gccoptlist and @gol.
9732 * invoke.texi: Include option summary in manpage. Mark up option
9733 summary with @gccoptlist and @gol. Use @r in one place where
9735 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9736 * gcc.1: Generate from invoke.texi.
9738 2001-01-13 Richard Henderson <rth@redhat.com>
9740 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9741 (struct page_entry): Add group member.
9742 (struct page_group): New.
9743 (struct globals): Add page_groups member.
9744 (alloc_anon): Only define for using mmap; remove valloc call.
9745 (page_group_index): New.
9746 (set_page_group_in_use): New.
9747 (clear_page_group_in_use): New.
9748 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9749 (free_page, release_pages): Likewise.
9750 * configure.in (with-gc): Default to ggc-page always.
9752 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9754 * reload1.c (replace_pseudos_in_call_usage): Use
9755 reg_equiv_constant and reg_equiv_address, and don't try
9756 regno_reg_rtx first.
9758 2001-01-13 Richard Henderson <rth@redhat.com>
9760 * ggc-page.c (alloc_page): Round up allocation size to one page.
9761 Set e->order on extra pages.
9763 2001-01-13 Richard Henderson <rth@redhat.com>
9765 * genrecog.c (nodes_identical): Expand commentary.
9766 (write_switch): Watch out for identical nodes.
9768 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9770 * cppfiles.c (_cpp_fake_include): New function.
9771 * cpphash.h (_cpp_fake_include): New.
9772 * cpplib.c (do_line): Call _cpp_fake_include when entering
9773 header files in preprocessed input.
9774 * cppmain.c (cb_pragma_implementation): Remove handling.
9775 (setup_callbacks): Don't register pragmas.
9777 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9779 * extend.texi: Udate for CPP.
9781 2001-01-13 Andreas Jaeger <aj@suse.de>
9783 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9785 * regmove.c: Add prototype for replace_in_call_usage.
9787 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9789 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9790 struct cpp_chunk, struct htab, struct toklist,
9791 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9792 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9793 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9794 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9795 (struct macro_args): Delete.
9796 * cpphash.h: See above.
9798 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9800 * cppmain.c (struct printer): Remove no_line_dirs.
9802 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9803 : Use options rather than CPP_OPTION.
9804 (setup_callbacks): Use cb rather than pfile->cb.
9805 (main): No need to check for a buffer. Use cpp_errors.
9806 (printer_init): Don't set no_line_dirs.
9807 (maybe_print_line): Use options not no_line_dirs.
9808 (cb_file_change): Don't call print_line if -P.
9810 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9812 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9814 * c-parse.in (finish_parse): Use cpp_errors.
9815 (__yylex): Use return value of cpp_pop_buffer.
9816 * cp/lex.c (finish_parse): Use cpp_errors.
9817 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9819 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9821 * README.AVR: URLs corrected.
9823 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9825 * c-decl.c (start_function): Don't warn if old prototype is builtin
9826 that's not in C's namespace.
9827 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9828 (_bb): Add prototype for ctime.
9829 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9831 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9833 * i386.c (ix86_fp_comparison_arithmetics_cost,
9834 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9835 ix86_fp_comparison_cost): New functions.
9836 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9837 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9838 two-branch sequences; make static.
9839 (ix86_use_fcomi_compare): Do decision according to the costs.
9840 (split_fp_branch): New.
9841 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9842 * i386-protos.h (ix86_expand_fp_compare): Remove
9843 (ix86_split_fp_branch): Declare.
9845 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9846 and ix86_comparison_operator.
9848 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9851 * i386.c (put_condition_code): Output properly the unordered/ordered
9852 compares in fp case.
9853 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9855 * tm.texi (REVERSE_CONDITION): Document.
9856 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9857 in -ffast-math mode.
9858 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9860 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9862 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9864 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9867 * config/sh/sh.c (mova_p): Fix test for mova_const.
9869 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9871 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9872 cpp_get_options rather than dereferencing pfile and using
9874 * scan-decls.c (scan_decls): Use return value of
9875 cpp_pop_buffer rather than CPP_BUFFER.
9877 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9879 * cppinit.c (cpp_handle_option): help_only is now part of the
9880 cpp_options structure.
9881 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9882 cpp_set_callbacks): New functions.
9883 * cpplib.h (cpp_callbacks): Break out as a named structure.
9884 (cpp_options): Move help_only here from cpp_reader.
9885 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9886 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9887 cpp_set_callbacks): New prototypes.
9888 * cppmain.c (main): Update for help_only.
9890 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9892 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9893 Also build and remove and install and uninstall c-tree.info and
9895 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9896 ($(srcdir)/cppinternals.info): New target.
9897 * c-tree.texi: Change file name used when makeinfo used without -o
9898 from ir.info to c-tree.info. Add info directory entry.
9899 * cppinternals.texi: Add info directory entry.
9900 * .cvsignore: Update.
9902 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9904 * c-typeck.c (store_init_value): Don't require constant initializer
9905 elements with -pedantic -std=c99.
9906 (digest_init): Change error about non-constant initializer elements
9908 (constructor_range_end): Remove.
9909 (constructor_incremental, designator_depth,
9910 designator_errorneous): New variables.
9911 (struct constructor_stack): Remove range_end, add incremental.
9912 (struct constructor_range_stack, constructor_range_stack): New.
9913 (struct initializer_stack): Add constructor_range_stack.
9914 (finish_init): Set it.
9915 (start_init): Likewise. require_constant_elements for non-static
9916 trees only if not flag_isoc99.
9917 (really_start_incremental_init): Remove constructor_range_end, add
9918 constructor_incremental.
9919 (pop_init_level): Likewise.
9920 (push_init_level): Likewise. If implicit and the subobject had some
9921 value set already, preinitialize the level with it.
9922 Warn about missing braces only if not pushing due to designators.
9923 (set_designator, push_range_stack): New functions.
9924 (set_init_label): Use them.
9925 (set_init_index): Likewise. Remove constructor_range_end.
9926 Error if designator index is outside of array bounds.
9927 (add_pending_init): Compare values of purpose index trees, not the
9928 trees themselves. Allow overwriting of already initialized element.
9929 Issue a warning if it had side-effects.
9930 (set_nonincremental_init, set_nonincremental_init_from_string): New
9932 (pending_init_member): Rename to...
9933 (find_init_member): ...this function. Call set_nonincremental_init
9934 if necessary. Compare values of purpose index trees, not the trees
9935 themselves. Return the actual value, not just non-zero if something
9937 (output_init_element): Remove checks for duplicates.
9938 If field has zero size, only check the initializer for correctness.
9939 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9940 if constructor_incremental is zero. Change error about initializers
9941 not computable at load time into pedwarn.
9942 (output_pending_init_elements): Compare bit positions, not
9943 FIELD_DECLs to take into account zero-sized fields.
9944 (process_init_element): Use constructor_range_stack to fill all
9945 ranges in the designator lists from current level up.
9946 * extend.texi: Update documentation for labeled elements.
9948 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9950 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9951 to function usage for arguments passed by reference. Optimize
9952 callee-copied arguments.
9953 * regmove.c (replace_in_call_usage): New function.
9954 (fixup_match_1): Call it.
9955 * cse.c (cse_insn): Canonicalize registers in function usage.
9956 * reload1.c (replace_pseudos_in_call_usage): New function.
9959 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9962 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9964 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9967 2001-01-12 DJ Delorie <dj@redhat.com>
9969 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9970 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9973 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9975 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9976 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9977 -std options alongside references to -ansi. Update some
9978 documentation for C99.
9979 * cpp.1: Regenerate.
9981 2001-01-12 Andreas Jaeger <aj@suse.de>
9983 * haifa-sched.c (restore_line_notes): Remove argument block B
9985 * sched-ebb.c (schedule_ebb): Change caller.
9986 * sched-rgn.c (schedule_region): Likewise.
9987 * sched-int.h (restore_line_notes): Adjust prototype.
9989 * loop.h: Remove wrong declaration of doloop_condition_get.
9991 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9993 * extend.texi: Move C++-extension-related node from the C section
9994 into the C++ section.
9996 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9998 * extend.texi: Refer to an array of pointers to functions instead
9999 of one of functions.
10001 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10002 Jan Hubicka <jh@suse.cz>
10004 * combine.c (reversed_comparison): Fix typo in last patch.
10006 (combine_reversed_comparison_code): Make static to follow
10007 prototype declaration.
10009 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10011 * install.texi: Remove misplaced duplicate entry.
10013 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10015 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10017 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10019 * final.c: (leaf_function_p): Fix typo.
10021 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10023 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10024 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10026 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10027 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10028 mmap_anon, and valloc is available.
10029 * ggc-page.c: Restructure ifdef logic to match new autoconf
10030 spec. Don't throw away the test page in init_ggc.
10032 * configure, config.in: Regenerate.
10034 2001-01-12 Michael Hayes <mhayes@redhat.com>
10036 * loop.h (total_biv_increment): Constify iv_class pointer.
10037 (struct induction): Replace `mem_mode' with `mem' rtx.
10038 * unroll.c (total_biv_increment): Constify iv_class pointer.
10039 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10040 (find_mem_givs, combine_givs_p): Likewise.
10041 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10043 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10045 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10047 (__gthread_getspecific): Ditto.
10049 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10051 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10052 put_condition_code): Convert fp comparison codes to integer
10054 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10057 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10058 * i386-protos.h (no_comparison_operator): Kill.
10060 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10062 * combine.c (REVERSIBLE_CC_MODE): Remove.
10063 (reversible_comparison_p): Remove.
10064 (combine_reversed_comparison_code): New.
10065 (reversed_comparison): New.
10066 (combine_simplify_rtx): Use
10067 combine_reversed_comparison_code/reversed_comparison instead
10068 of reversible_comparison_p.
10069 (simplify_if_then_else): Likewise.
10070 (simplify_set): Likewise.
10071 (simplify_logical): Likewise.
10072 (if_then_else_cond): Likewise.
10073 (known_cond): Likewise.
10074 (simplify_comparison): Likewise.
10076 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10078 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10079 sizeof (int) is larger than sizeof(__word__).
10081 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10083 * cppinit.c (do_includes): Fix typo.
10085 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10087 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10088 in S_REGS does not occur because not all sources are possible
10089 when a S_REGS is a destination (sometimes needs a clobber).
10090 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10091 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10092 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10093 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10094 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10095 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10096 (lshrdi_const1, lshrsi3_const16): Likewise.
10097 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10098 (*movhi_68hc12, *movqi_68hc12): Likewise.
10099 (movstrictqi): Make sure reloading in D_REGS as a destination
10102 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10104 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10106 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10108 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10109 -D, -U and -A, and don't initialize the builtins.
10110 (do_includes): Error if -include or -imacros with -fpreprocessed.
10111 * cppmain.c (cb_define, cb_undef): Unconditionally process
10113 * tradcpp.c (main): Fix typo.
10115 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10117 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10118 (read_name_map): Use IS_ABSOLUTE_PATH.
10119 * tradcpp.c (get_filename): Likewise.
10121 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10123 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10124 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10125 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10126 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10127 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10128 (cmphi_z_used): Don't use '@' for the output.
10129 (tstqi_z_used): Likewise.
10130 (cmpqi_z_used): Likewise.
10131 (one_cmplsi2): Likewise.
10133 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10135 * config/sh/sh.c (barrier_align): Recognize branch around far
10136 branch and redundant insn.
10138 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10140 * invoke.texi: Restore documentation of the drivers' switches -MD
10143 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10145 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10147 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10148 check-objc//%): Support parallel testing of multilibs.
10149 (TESTSUITEDIR): Set to testsuite by default, but override for
10151 (check-gcc, check-g++, check-g77, check-objc): Enter
10154 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10156 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10157 * sched-deps.c (deps_may_trap_p): Likewise.
10158 * basic-block.h: Remove a comment.
10159 * flow.c (PROP_POSTRELOAD): Remove.
10160 (update_life_info): Don't add it to prop_flags.
10161 (mark_set_1): Lose the code that was enabled by it.
10163 2001-01-11 Michael Hayes <mhayes@redhat.com>
10165 * flow.c (flow_call_edges_add): New.
10166 * basic_block.h (flow_call_edges_add): New.
10168 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10170 * reload1.c (move2add_note_store): Update reg_set_luid even if
10171 base reg remains the same.
10173 2001-01-10 Nick Clifton <nickc@redhat.com>
10175 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10176 machine_function structure to zero.
10177 Add prototypes for machine_status functions.
10179 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10181 * c-common.h (CTI_VOID_LIST): Remove.
10182 (void_list_node): Likewise.
10183 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10184 (void_list_node): New macro.
10185 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10186 * config/i386/i386.c (ix86_init_builtins): Likewise.
10187 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10189 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10191 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10192 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10194 * tradcpp.c: Include mkdeps.h.
10195 (deps, print_deps_phony_targets, deps_append, output_deps,
10196 init_dependency_output, output_deps): New.
10197 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10198 deps_output): Delete.
10199 (print_deps_missing_files): Rename deps_missing_files.
10200 (inhibit_output): Make global.
10201 (main): Delete inhibit_output, deps_stream, deps_target.
10202 Use mkdeps functionality in the same way as cpplib. Remove
10203 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10204 -M and -MM. Remove old handling of deps via deps_out, and
10205 old reading of environment variables.
10206 (get_filename): Update to use deps_add_dep.
10208 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10210 * output.h (make_function_rtl): Remove prototype.
10211 (make_decl_rtl): Likewise.
10212 * varasm.c (make_function_rtl): Remove.
10213 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10214 than from a third parameter.
10215 * tree.h (make_decl_rtl): Remove last parameter.
10216 * c-decl.c (builtin_function): Remove last argument in call to
10217 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10218 (start_function): Likewise.
10219 * except.c (call_get_eh_context): Likewise.
10220 * expr.c (emit_block_move): Likewise.
10221 (clear_storage): Likewise.
10222 * profile.c (output_func_start_profiler): Likewise.
10223 * toplev.c (rest_of_decl_compilation): Likewise.
10224 * objc/objc-act.c (create_builtin_decl): Likewise.
10225 (synth_module_prologue): Likewise.
10226 (generate_static_reference): Likewise.
10227 (build_selector_reference_decl): Likewise.
10228 (build_class_reference_decl): Likewise.
10229 (build_objc_string_decl): Likewise.
10230 (build_protocol_reference): Likewise.
10232 2001-01-10 Richard Henderson <rth@redhat.com>
10234 * hwint.h: Revert yesterday's change.
10236 2001-01-10 Nick Clifton <nickc@redhat.com>
10238 * function.h (save_machine_status): Delete.
10239 (restore_machine_status): Delete.
10240 Amend comment describing {init|mark|free}_machine_status.
10242 * function.c (save_machine_status): Delete.
10243 (restore_machine_status): Delete.
10244 Amend comment describing {init|mark|free}_machine_status.
10245 (push_function_context_to): Remove invocation of
10246 save_machine_status.
10247 (pop_function_context_from): Remove invocation of
10248 restore_machine_status.
10250 * emit-rtl.c (init_emit_once): Amend comment describing
10251 {init|mark|free}_machine_status.
10253 * tm.texi (Per-Function Data): New node. Describe the
10254 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10257 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10259 * cppinit.c (OPT_g): Remove.
10260 (cpp_handle_option): Update for removed -g3.
10261 (print_help): Update.
10262 * cpplib.h (struct cpp_options): Remove debug_output.
10263 * cppmain.c (setup_callbacks, cb_define): Update.
10264 * gcc.c (cpp_options): Translate -g3 to -dD.
10266 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10268 * config/i960/i960.md: Change modifier to + on the zero_extract
10269 pattern after the (rotate -2 reg) canonicalization pattern.
10271 2001-01-10 Richard Henderson <rth@redhat.com>
10273 * config/alpha/alpha.c (alpha_free_machine_status): New.
10274 (override_options): Install it.
10275 (alpha_mark_machine_status): Verify machine non-null.
10276 * config/i386/i386.c (ix86_free_machine_status): New.
10277 (override_options): Install it.
10278 (ix86_init_machine_status): Use xcalloc.
10279 (ix86_mark_machine_status): Verify machine non-null.
10280 * config/ia64/ia64.c (ia64_free_machine_status): New.
10281 (ia64_override_options): Install it.
10282 (ia64_mark_machine_status): Verify machine non-null.
10284 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10286 * function.c (instantiate_virtual_regs): Instantiate virtual
10287 registers found in CALL_INSN_FUNCTION_USAGE.
10289 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10291 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10292 equivalent to -ansi in disabling -Di386.
10294 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10296 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10298 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10300 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10302 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10304 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10306 * invoke.texi: Document that -fcond-mismatch isn't supported for
10309 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10311 * gcc.texi: Define macro gcctabopt.
10312 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10313 @command, @env and @option in some places where appropriate. Use
10314 @gcctabopt where appropriate. Put URLs and email addresses inside
10317 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10319 * gcc.c (cpp_options): Set MD file name from output
10320 filename, if specified.
10321 (suffix_subst): New static variable.
10322 (do_spec): Clear it.
10323 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10325 (give_switch): Handle suffix_subst.
10327 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10329 * invoke.texi: Fix another typo.
10331 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10333 * invoke.texi: Fix typo.
10335 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10337 * c-lang.c (lang_hooks): Update.
10338 (lang_decode_option): Remove.
10339 (lang_init_options): Rename c_init_options.
10340 * toplev.c (main): Use lang_hooks for lang_init_options
10341 and lang_decode_option.
10342 * toplev.h (lang_hooks): Add 2 new hooks.
10343 * tree.h: Remove lang_init_options and lang_decode_option.
10344 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10345 * cp/decl2.c: Similarly.
10346 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10347 (lang_hooks): Update.
10348 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10350 (lang_init_options): Rename ffe_init_options.
10351 (lang_hooks): Update.
10352 (lang_decode_option): Remove.
10353 * java/lang.c (lang_init_options): Rename java_init_options.
10354 (lang_decode_option): Rename java_decode_option.
10355 (lang_hooks): Update.
10356 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10357 (lang_decode_option): Rename objc_decode_option.
10358 (lang_hooks): Update.
10360 2001-01-09 Nick Clifton <nickc@redhat.com>
10362 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10363 (d30v_return_addr_rtx): Delete.
10364 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10365 cfun->machine structure.
10366 (struct machine_function): Move to d30v.h
10367 (d30v_save_machine_status): Delete.
10368 (d30v_restore_machine_status): Delete.
10369 (d30v_init_machine_status): New Function.
10370 (d30v_mark_machine_status): New Function.
10371 (d30v_free_machine_status): New Function.
10372 (d30v_init_expanders): Use new functions.
10373 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10374 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10375 d30v_return_addr_rtx.
10377 * config/d30v/d30v.h (struct_machine): Move here.
10378 Add eh_epilogue_sp_ofs field.
10380 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10381 field in cfun->machine structure.
10383 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10385 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10386 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10387 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10389 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10391 * objc/lang-options.h: Remove bogus reference to
10394 2001-01-09 Kazu Hirata <kazu@hxi.com>
10396 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10399 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10401 * reload.c (find_reloads_address): Check for eliminable registers
10402 when substituting a constant expression for a pseudo.
10404 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10406 * c-common.c (enum format_type): Add format_type_error.
10407 (decode_format_type): New function.
10408 (decl_attributes): Use it.
10409 (format_kind_info): Adjust comment.
10411 2001-01-09 David O'Brien <obrien@BSDi.com>
10413 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10414 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10416 * config/i386/gnu.h: Don't include required platform specific .h files,
10417 tm.h will do it instead.
10418 * config/i386/i386elf.h: Likewise.
10419 * config/i386/linux.h: Likewise.
10420 * config/i386/moss.h: Likewise.
10421 * config/mips/gnu.h: Likewise.
10423 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10425 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10426 (rs6000-ibm-aix3.[01]*): Likewise.
10427 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10428 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10429 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10430 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10431 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10432 (powerpc-*-eabiaix*): Likewise.
10433 (powerpc-*-eabisim*): Likewise.
10434 (powerpc-*-elf*): Likewise.
10435 (powerpc-*-eabi*): Likewise.
10436 (powerpc-*-rtems*): Likewise.
10437 (powerpc-*-linux*libc1): Likewise.
10438 (powerpc-*-linux*): Likewise.
10439 (powerpc-wrs-vxworks*): Likewise.
10440 (powerpcle-wrs-vxworks*): Likewise.
10441 (powerpcle-*-sysv*): Likewise.
10442 (powerpcle-*-elf*): Likewise.
10443 (powerpcle-*-eabisim*): Likewise.
10444 (powerpcle-*-eabi*): Likewise.
10445 (powerpcle-*-solaris2*): Likewise.
10446 * config/rs6000/aix31.h: Delete includes.
10447 * config/rs6000/aix3newas.h: Likewise.
10448 * config/rs6000/aix41.h: Likewise.
10449 * config/rs6000/aix43.h: Likewise.
10450 * config/rs6000/beos.h: Likewise.
10451 * config/rs6000/rtems.h: Likewise.
10452 * config/rs6000/sysv4.h: Likewise.
10454 2001-01-09 Kazu Hirata <kazu@hxi.com>
10456 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10457 Change an argument mode of machine_mode to shift_mode of
10458 shift_mode. Remove an extra error check.
10459 (emit_a_shift): Adopt to the new calling prototype of
10461 (function_prologue): Fix code for a monitor
10462 function. Support H8/S.
10463 (function_epilogue): Do not output pop for a monitor function.
10465 2001-01-09 Nick Clifton <nickc@redhat.com>
10467 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10468 (setup_incoming_varargs): Use sysv_varargs_p field of the
10469 cfun->machine structure.
10470 (struct machine_function): Move to rs6000.h
10471 (rs6000_save_machine_status): Delete.
10472 (rs6000_restore_machine_status): Delete.
10473 (rs6000_init_machine_status): New Function.
10474 (rs6000_free_machine_status): New Function.
10475 (rs6000_init_expanders): Use new functions.
10477 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10479 (struct machine_function): Move here.
10481 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10482 sysv_varargs_p field of the cfun->machine structure.
10484 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10486 (rs6000_restore_machine_status): Remove prototype.
10488 2001-01-09 Richard Henderson <rth@redhat.com>
10490 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10491 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10492 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10493 (sched_analyze_2, sched_analyze_insn): Likewise.
10494 (sched_analyze, init_deps): Likewise.
10495 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10496 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10497 (compute_block_backward_dependences): Update propagate_deps call.
10499 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10501 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10503 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10505 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10506 (cpp_handle_option): Handle them.
10507 (cpp_post_options): Ensure one of -M or -MM is specified with
10508 any other -M? option.
10509 (init_dependency_output): Suppress output with -MG.
10511 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10513 * cpp.texi: Update.
10514 * invoke.texi: Update.
10516 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10518 * sh.md (reload_outsf): Generate recognizable patterns for
10521 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10523 * c-lang.c (lang_hooks): Update.
10524 (lang_init): Rename c_init.
10525 (lang_finish): Remove.
10526 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10527 and lang_finish ().
10528 * toplev.h (lang_hooks): Add init () and finish ().
10529 * tree.h (lang_init, lang_finish): Remove.
10530 * cp/tree.h (lang_init, lang_finish): Remove.
10531 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10532 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10534 (lang_init, lang_finish): Remove.
10535 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10536 (lang_hooks): Update.
10537 * java/lang.c (lang_init): Rename java_init.
10538 (lang_finish): Remove.
10539 (lang_hooks): Update.
10540 * objc/objc-act.c (lang_init): Rename objc_init.
10541 (lang_finish): Remove.
10542 (lang_hoooks): Update.
10544 20001-01-09 Graham Stott <grahams@redhat.com>
10546 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10547 after `ptr` is initialised.
10549 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10551 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10552 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10553 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10554 stack adjusts, instead of r3.
10556 2001-01-09 Michael Hayes <mhayes@redhat.com>
10558 * flow.c (flow_loop_scan): Break out of ...
10559 (flow_loops_find) ... here.
10560 * basic-block.h (flow_loop_scan): New.
10561 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10562 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10564 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10566 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10568 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10569 realloc()ing macro_buffer.
10571 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10572 if it's wider than long and the target's long is wider than the
10575 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10577 Remove support for using UWIN as a host machine.
10578 * configure.in: Issue an error message.
10579 * configure: Regenerated.
10580 * config.gcc: Remove xm_* UWIN configury.
10581 * config/i386/xm-uwin.h: Remove.
10583 2001-01-08 Nick Clifton <nickc@redhat.com>
10585 * config/v850/v850.c (ra_rtx): Delete.
10586 (v850_save_machine_status): Delete.
10587 (v850_restore_machine_status): Delete.
10588 (v850_init_machine_status): New function.
10589 (v850_mark_machine_status): New function.
10590 (v850_free_machine_status): New function.
10591 (v850_return_addr): Use ra_rtx field in machine structure.
10592 (v850_init_expanders): Use new functions.
10594 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10595 * config/v850/v850.c: Change arguments to v850_output+* functions
10596 to take a const char *, to avoid compile time warning.
10597 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10598 (USER_LABEL_PREFIX): Redefine.
10600 2000-01-08 Jim Wilson <wilson@redhat.com>
10602 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10603 1 to unsigned HOST_WIDE_INT before left shift.
10605 2001-01-08 Nick Clifton <nickc@redhat.com>
10607 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10608 the machine structure has been allocated.
10609 (arm_free_machine_status): New function: Free the machine
10610 specific function structure.
10612 2001-01-08 Richard Henderson <rth@redhat.com>
10614 * jump.c (simplejump_p): Revert last change.
10616 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10618 * cppinit.c (init): Rename init_library.
10619 (cpp_create_reader): Update.
10620 * gcc.c (cpp_options): If -o given, use it as the target of
10623 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10625 * arm.c (arm_arch5e): New variable.
10626 (all_cores): XScale is a 5TE device.
10627 (arm_override_options): Set arm_arch5e.
10628 (arm_init_builtins): __builtin_prefetch is in arch5e.
10629 * arm.h (arm_arch5e): Declare it.
10631 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10633 * arm.md (define_constants): Add defines for UNSPEC and
10634 UNSPEC_VOLATILE insns. Update all users.
10635 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10636 * arm.c (multi_register_push, note_invalid_constants)
10637 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10638 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10639 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10641 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10643 * jump.c (jump_optimize_1): Use reversed_comparison_code
10644 instead of can_reverse_comparison_p.
10645 (jump_back_p): Likewise.
10646 (invert_exp_1): Likewise.
10647 (thread_jumps): Likewise.
10648 * simplify-rtx.c (simplify_unary_operation): Likewise.
10649 (simplify_ternary_operation): Likewise.
10650 * cse.c (find_comparison_args): Convert to use
10651 can_reverse_comparison_p.
10652 (record_jump_equiv): Likewise.
10654 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10656 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10657 (EPILOGUE_USES): Define.
10658 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10659 automatically stack the LR if it isn't live.
10661 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10663 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10666 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10668 * ggc-page.c (max_alignment): New structure.
10669 (MAX_ALIGNMENT): New macro.
10670 (init_ggc): Use it to round up the sizes in the
10671 extra_order_size_table.
10673 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10675 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10678 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10680 * builtins.def (BUILT_IN_FPRINTF): New entry.
10682 * c-common.c (c_expand_builtin_fprintf): New function.
10683 (init_function_format_info): Handle __builtin_fprintf.
10684 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10685 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10687 * c-decl.c (duplicate_decls): Adjust comment.
10689 * extend.texi (fprintf): Document new builtin.
10691 2001-01-07 Richard Henderson <rth@redhat.com>
10693 * jump.c (simplejump_p): Recognize any single_set jump
10694 of the proper form.
10696 2001-01-07 Richard Henderson <rth@redhat.com>
10698 * configure.in (slibdir): Accept an --with-slibdir option.
10699 Use "test" not "[" in configure. Default to $(libdir).
10701 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10703 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10704 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10705 (SHLIB_LINK): Create links for the soname.
10706 * config/mips/t-iris6: Likewise.
10707 * config/sparc/t-slibgcc: Likewise.
10708 * config/sparc/t-slibgcc-sld: Likewise.
10710 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10712 * config/i386/i386.c (constant_call_address_operand): Accept
10713 (const (plus (symbol_ref) (const_int))).
10714 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10715 constant_call_address_operand.
10717 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10719 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10720 and LONG_LONG_TYPE_SIZE > 32.
10722 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10724 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10725 the previous change.
10727 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10729 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10731 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10732 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10733 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10736 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10738 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10740 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10742 * c-lang.c (c_post_options): Call cpp_post_options.
10743 * objc/objc-act.c (objc_post_options): Similarly.
10744 * cppmain.c (main): Similarly.
10745 * fix-header.c (read_scan_file): Similarly.
10746 * cppinit.c (cpp_start_read): Move option consistency checks
10747 to cpp_post_options. Don't call init_dependency_output.
10748 If needed, add default target and main file dependency.
10749 (OPT_MD, OPT_MMD): Remove.
10751 (cpp_handle_option): Update for OPT_* changes.
10752 (cpp_post_options): New.
10753 (init_dependency_output): Command line -MF overrides environment
10754 variables. Don't set default target etc. Suppress output
10755 if dependencies are going to stdout.
10756 (print_help): Update.
10757 * cpplib.h (cpp_post_options): New.
10758 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10760 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10762 * jump.c (comparison_dominates_p): Support unordered compares.
10764 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10766 * simplify-rtx.c (simplify_relational_operation): Always simplify
10767 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10770 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10772 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10773 (nonzero_bits): Likewise.
10774 (simplify_comparison): Likewise.
10775 (num_sign_bit_copies): Likewise; return more sane value depending
10776 on STORE_FLAG_VALUE.
10777 (known_cond): Do not assume EQ to be always true for equivalent
10780 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10782 * cse.c (fold_rtx): Handle unordered comparisons.
10784 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10786 * rtlanal.c (set_of_1): New static function.
10787 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10788 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10789 reg_set_last_last_regno): Remove.
10790 (set_of): New global function.
10791 (set_of_data): New structure.
10792 (reg_set_p, reg_set_last): Revamp for set_of.
10793 * rtl.h (set_of): New.
10795 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10797 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10798 * extend.texi: Document _Exit builtin.
10800 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10802 * (initialize, initialize_builtins,
10803 initialize_dependency_output, initialize_standard_includes):
10804 Rename s/initialize/init. Update.
10805 (init_dependency_output): Move to after
10806 cpp_handle_options, the correct location temporally at least.
10807 (opt_comp): Move next to init (), its caller. Fix prototype.
10808 (init): Make "initialized" local scope.
10809 (cpp_create_reader): Always call init ().
10810 (cpp_start_read): Update.
10811 (output_deps): New function, broken out of cpp_finish.
10812 (cpp_finish): Break out output_deps.
10814 2001-01-07 Richard Henderson <rth@redhat.com>
10816 * collect2.c (COFF specific stuff): Revert 12-06 patch
10817 to prototype system functions.
10819 2001-01-07 Michael Hayes <mhayes@redhat.com>
10821 * hard-reg-set.h: Add multiple include guard.
10822 * basic-block.h (struct loop): Add `sink' field.
10823 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10824 (emit_iv_add_mult): Delete.
10825 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10826 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10827 (unroll_loop): Remove end_insert_before argument.
10828 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10829 (maybe_eliminate_biv_1): Likewise.
10830 (emit_iv_add_mult): Delete.
10831 (gen_add_mult, loop_regs_update): New.
10832 (loop_insn_emit_after, loop_insn_emit_before): New.
10833 (loop_insn_sink, loop_insn_sink_or_swim): New.
10834 (emit_iv_add_mult): Delete.
10835 (scan_loop): Set loop->sink.
10836 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10837 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10838 (maybe_eliminate_biv_1): Likewise.
10839 (maybe_eliminate_biv_1): Add basic block argument.
10840 * unroll.c (unroll_loop): Remove end_insert_before argument.
10841 (find_splittable_regs): Likewise.
10842 (find_splittable_regs): Use loop_insn_sink and its ilk.
10843 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10845 2001-01-07 Michael Hayes <mhayes@redhat.com>
10847 * loop.h (loop_insn_hoist): New prototype.
10848 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10849 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10850 (check_dbra_loop, load_mems): Likewise.
10851 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10852 (find_splittable_givs): Likewise.
10854 2001-01-07 Michael Hayes <mhayes@redhat.com>
10856 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10858 2001-01-07 Richard Henderson <rth@redhat.com>
10860 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10862 2001-01-07 Richard Henderson <rth@redhat.com>
10864 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10865 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10866 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10867 variant that handles a shared libgcc.
10868 (process_command): Always validate -{static,shared}-libgcc.
10869 (do_spec_1): New 'M' case.
10870 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10872 2001-01-07 Richard Henderson <rth@redhat.com>
10874 * Makefile.in (slibdir): New variable.
10875 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10876 (installdirs): Create slibdir.
10877 (install-libgcc, install-multilib): Defer to libgcc.mk.
10878 * configure.in (slibdir): Substitute.
10879 * mklibgcc.in (install): New target.
10881 * config/t-linux (SHLIB_LINK): Create links for the soname.
10882 (SHLIB_INSTALL): New.
10883 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10884 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10885 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10886 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10887 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10889 2001-01-07 Richard Henderson <rth@redhat.com>
10891 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10892 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10893 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10895 2001-01-07 Michael Hayes <mhayes@redhat.com>
10897 * loop.c (count_loop_regs_set): Delete.
10898 (load_mems_and_recount_loop_regs_set): Delete.
10899 (loop_regs_scan): Merge common code from count_loop_regs_set,
10900 scan_loop, and load_mems_and_recount_loop_regs_set.
10901 (scan_loop): Call load_mems directly and loop_regs_scan
10902 again if new registers created.
10904 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10906 * toplev.c (main): Call the front-end specific post_options
10907 hook if one is given.
10908 * toplev.h (struct_lang_hooks, lang_hooks): New.
10909 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10910 for the C front end.
10911 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10912 lang_hooks for the C++ front end.
10913 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10914 lang_hooks for the ObjC front end.
10915 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10916 * java/lang.c (lang_hooks): Hooks for the Java front end.
10918 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10920 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10921 for verbose DWARF[2] debugging.
10922 (cb_define, cb_undef): The new callbacks.
10923 * toplev.h (debug_define, debug_undef): Make const correct.
10924 * toplev.c (debug_define, debug_undef): Similarly. Do not
10925 perform the verbosity tests here anymore.
10927 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10929 * reload.c (subst_reloads): Take INSN argument. When
10930 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10931 * reload.h (subst_reloads): Adjust prototype.
10932 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10933 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10934 present in JUMP_INSNs and copy them to JUMP_LABEL.
10935 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10936 JUMP_INSNs and insns with REG_LABELs that are followed by
10937 JUMP_INSNs with the same REG_LABEL.
10938 * sched-rgn.c (is_cfg_nonregular): Likewise.
10939 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10941 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10943 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10945 2001-01-06 Richard Henderson <rth@redhat.com>
10947 * loop.c (scan_loop): Use xcalloc for the regs array.
10948 (load_mems_and_recount_loop_regs_set): Zero the new memory
10949 received from xrealloc.
10951 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10953 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10955 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10957 * integrate.c (copy_rtx_and_substitute): When copying
10958 an ignored return value, strip REG_FUNCTION_VALUE_P.
10960 2001-01-06 Michael Hayes <mhayes@redhat.com>
10962 * loop.c (debug_biv, debug_giv): New.
10963 (loop_biv_dump): Break out from ...
10964 (record_biv): ... here.
10965 (loop_giv_dump): Break out from ...
10966 (record_giv): ... here.
10967 (loop_bivs_check): Use print_simple_rtl.
10968 * unroll.c (loop_iterations): Use print_simple_rtl.
10970 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10972 * pa.md (return, return_internal): Modify patterns to prevent regrename
10973 mucking with the return pointer.
10975 2001-01-05 Richard Henderson <rth@redhat.com>
10977 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10979 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10981 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10982 version supplied by Matteo Frigo.
10984 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10986 * cpp.texi: Update for -MQ.
10987 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10988 (cpp_cleanup): Always free pfile->deps.
10989 (initialize_dependency_output): Don't create pfile->deps.
10990 (cpp_handle_option): Similarly.
10992 * gcc.c (cpp_options): Handle -MQ.
10993 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10994 * mkdeps.c (base_name): Remove.
10995 (deps_init): Don't allocate vector space until it's needed.
10996 (deps_free): Only free vectors if allocated.
10997 (deps_add_target, deps_add_dep): Update for initial allocation.
10998 (deps_add_default_target): Don't strip to the base_name.
11000 2001-01-05 DJ Delorie <dj@redhat.com>
11002 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11003 (INIT_EXPANDERS): Define.
11005 * config/v850/v850.c (struct machine_function): Define.
11006 (v850_save_machine_status): New function.
11007 (v850_restore_machine_status): New function.
11008 (v850_return_addr): New function.
11009 (v850_init_expanders): New function.
11011 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11012 and v850_init_expanders.
11014 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11016 * cpplib.h (struct cpp_reader): Add help_only field.
11017 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11018 (cpp_handle_option): Set pfile->help_only if we see -h,
11019 --help, -target-help, or --version. Print version string but
11020 do not set help_only if we see -v or -version. Make text
11021 printed by -v match that printed by (-)-version.
11023 * cppmain.c (main): Exit after option parsing if
11024 pfile->help_only is true.
11026 * toplev.c (independent_decode_option): Call print_version,
11027 then exit, if we see --version (but not -version).
11028 (print_version): Split lengthy message into two lines.
11030 2001-01-05 Nick Clifton <nickc@redhat.com>
11032 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11033 temporary string for initialisation before calling ggc_alloc_string.
11035 2001-01-06 Michael Hayes <mhayes@redhat.com>
11037 * rtl.h (print_simple_rtl): New.
11038 * print-rtl.c (print_simple_rtl): New.
11039 (flag_simple): New.
11040 (print_rtx): Disable printing of flags and modes, etc.,
11041 if `flag_simple` nonzero.
11043 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11045 * function.c (fixup_var_refs): Use push_to_full_sequence where
11048 2001-01-05 Michael Meissner <meissner@redhat.com>
11050 * flags.h (flag_reorder_blocks): Add declaration.
11051 (flag_rename_block): Ditto.
11053 2001-01-05 DJ Delorie <dj@redhat.com>
11055 * function.c (reorder_blocks): Make sure the flags are all reset
11056 before using them to mark blocks, else a second invocation will
11057 corrupt the block chain.
11058 (reorder_blocks_0): New, resets the flags.
11060 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11062 * cse.c (find_comparison_args): Stop if the argument is known to
11065 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11067 * config/sh/sh.md (movdf): When splitting load into pair of
11068 registers, don't clobber the register used in the address too
11071 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11073 * varasm.c (mark_constant_pool): Improve initial comments.
11074 (mark_constants): Move marking of constants to mark_constant.
11075 (mark_constant): New function to recursively mark all constants
11076 referred to by a constant.
11078 2001-01-05 Catherine Moore <clm@redhat.com>
11080 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11082 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11084 * cp/lang-options.h: Bring comment in line with reality.
11085 * f/lang-options.h: Likewise.
11086 * java/lang-options.h: Likewise.
11087 * objc/lang-options.h: Likewise.
11088 * ch/lang-options.h: Likewise.
11089 * f/g77.texi: And update the manual.
11091 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11092 Denis Chertykov <denisc@overta.ru>
11094 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11095 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11096 * config/avr/avr.md (all peepholes that request a scratch register):
11097 Call it, FAIL the peephole if not safe (in interrupt functions).
11099 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11101 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11103 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11105 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11107 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11108 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11109 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11110 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11111 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11113 * extend.texi: Document these builtins.
11115 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11117 * c-common.c (lang_get_alias_set): Say we know nothing of
11118 VECTOR_TYPE aliasing.
11120 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11122 2001-01-05 Bruce Korb <bkorb@gnu.org>
11124 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11125 their x* equivalent versions for atexit-less systems
11126 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11127 systems (or any other system any more).
11129 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11131 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11132 output operands. Use arm_hard_register_operand for operand 4.
11133 (stmsi_postinc): Similarly.
11134 (ldmsi): Use arm_hard_register_operand for opernand 2.
11135 (stmsi): Similarly.
11136 * arm.c (arm_hard_register_operand): New function.
11137 * arm-protos.h (arm_hard_register_operand): Prototype it.
11139 * arm.h (HARD_REGNO_RENAME_OK): Define.
11141 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11143 * simplify-rtx.c (cfc_args): add "unordered" field.
11144 (check_fold_consts): Set unordered field.
11145 (simplify_relational_operation): Simplify the unordered
11148 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11151 * emit-rtl.c (try_split): Fix code to mark labels.
11152 * jump.c (mark_jump_label): Make global.
11153 * rtl.h (mark_jump_label): Declare.
11155 * predict.c (estimate_probability): Handle unordred comparisons.
11157 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11159 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11160 * cppinit.c (initialize_dependency_output): Update.
11161 (cpp_finish): Output dummy targets for -MP.
11163 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11164 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11165 * gcc.c (cpp_options): Update to handle -MP.
11166 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11167 to quote only the default target.
11168 (deps_phony_targets): Insert a preceding newline. Rename from
11169 deps_dummy_targets for consistency.
11172 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11174 * calls.c (emit_library_call_value_1): Support
11175 INIT_CUMULATIVE_LIBCALL_ARGS.
11176 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11178 2001-01-04 Richard Henderson <rth@redhat.com>
11180 * c-decl.c (finish_struct): Detect flexible array members
11181 used in an inappropriate context.
11182 * c-typeck.c (really_start_incremental_init): Special case
11183 constructor_max_index for zero length arrays.
11184 (pop_init_level): Allow initialization of flexible array
11185 members. Deprecate initialization of zero length arrays.
11186 Don't issue missing initializer warning for flexible array
11187 members or zero length arrays.
11188 (process_init_element): Don't dereference null DECL_SIZE.
11189 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11190 Don't abort for empty constructors. Use size_binop
11191 (output_constructor): Add commentary regarding zero length
11192 array futures. Abort if we try to initialize an array of
11193 unspecified length with a non-empty constructor in the middle
11196 * extend.texi (Zero Length): Update and clarify documentation
11197 on static initialization.
11199 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11201 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11202 with more than 32767 words of local storage.
11204 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11206 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11207 for 'abs', 'labs', and 'fabs'.
11208 (c4x_expand_builtin): Likewise.
11209 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11211 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11213 * config/sh/sh.md (prget, prset): New insn types.
11214 (return delay slot): Dont' allow prset.
11215 (call, sfunc delay slot): Don't allow prget.
11216 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11217 for prset and prget.
11219 2001-01-05 Michael Hayes <mhayes@redhat.com>
11221 * loop.h (struct loop_reg): New.
11222 (struct loop_regs): Change to use array of `struct loop_reg'.
11223 * loop.c: Replace assortment of varrays with single regs array.
11224 (count_one_set): Delete may_not_move array argument
11225 and use regs array instead. All caller's changed.
11226 (count_loop_regs_set): Delete may_not_move and single_usage
11227 arguments and use regs array instead. All caller's changed.
11228 (find_single_use_in_loop): Replace usage array argument with pointer
11229 to regs structure. All caller's changed.
11230 (loop_optimize): Delete `moved_once' array.
11232 2001-01-05 Michael Hayes <mhayes@redhat.com>
11234 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11235 Use it instead of loop_info->has_call for scanning loop mems.
11236 (check_dbra_loop): Replace loop_info->has_call test with
11237 loop_info->has_nonconst_call.
11239 2000-01-04 Matthew Hiller <hiller@redhat.com>
11241 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11244 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11246 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11247 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11249 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11251 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11252 (flag_short_double, flag_short_wchar): Define.
11253 (c_common_nodes_and_builtins): Create many tree nodes shared
11254 between C and C++ here instead of in cp/decl.c and ...
11255 * c-decl.c (init_decl_processing): ... here.
11256 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11257 (flag_short_double, flag_short_wchar): Don't define.
11258 (record_builtin_type): New function.
11259 (build_void_list_node): New function.
11260 * c-common.h (flag_short_double, flag_short_wchar,
11261 record_builtin_type, build_void_list_node): Declare.
11263 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11265 * integrate.c (expand_inline_function): Don't put a virtual
11266 register into the reg map.
11268 * function.c (fixup_var_refs_1): If force_operand didn't put
11269 the address into the target, move it there.
11271 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11273 Special-case tree_decl/tree_list allocations.
11274 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11275 (OBJECT_SIZE): New macro.
11276 (NUM_EXTRA_ORDER): Likewise.
11277 (extra_order_size_table): New variable.
11278 (NUM_ORDERS): New macro.
11279 (objects_per_page_table): New variable.
11280 (object_size_table): New variable.
11281 (G.pages): Use NUM_ORDERS to bound the array.
11282 (G.page_tails): Likewise.
11283 (DIV_ROUND_UP): Remove.
11284 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11285 (alloc_page): Use OBJECT_SIZE.
11286 (size_lookup): Don't make it const.
11287 (ggc_alloc): Use OBJECT_SIZE.
11288 (ggc_set_mark): Likewise.
11289 (ggc_get_size): Likewise.
11290 (init_ggc): Set up the object_size_table, objects_per_page_table,
11291 and adjust size_lookup.
11292 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11293 (ggc_pop_context): Use NUM_ORDERS.
11294 (clear_marks): Likewise.
11295 (sweep_pages): Likewise.
11296 (poison_pages): Likewise.
11297 (ggc_print_statistics): Use OBJECT_SIZE.
11299 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11301 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11302 Only call array_size_for_constructor if last field and array type
11303 with no upper bound.
11305 2001-01-04 Philip Blundell <philb@gnu.org>
11307 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11308 from bit 31 downwards, if this requires no more insns.
11309 (count_insns_for_constant): New helper function for above.
11311 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11313 * gencodes.c (output_predicate_decls): Remove empty initializer.
11315 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11317 * tree.c (copy_node): Remove documentation about obstacks.
11318 (buidl1): Check that nobody tries to build 2-argument nodes this
11321 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11323 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11326 * gencodes.c (output_predicate_decls): Fill empty initializer
11329 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11331 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11332 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11334 (do_include): Handle missing headers like cpp0.
11335 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11336 paths with first include pathname. Don't strcat to uninitialized
11339 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11341 * regrename.c (regrename_optimize): Don't rename from frame pointer
11342 if frame_pointer_needed.
11343 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11344 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11345 (ia64_reorg): Use it instead of scheduling if ! optimize.
11346 (errata_emit_nops): Properly call asm_noperands.
11347 (ia64_sched_reorder): Finish cycle if we see an asm.
11348 (ia64_variable_issue): Clear scheduling state after asms.
11350 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11352 * cpp.texi: Update for -MT.
11353 * cppinit.c (initialize_dependency_output): Add a default
11354 target if none has been given already.
11355 (no_tgt, OPT_MT): New.
11356 (cpp_handle_option): Handle -MT. Update -M etc.
11357 * cpplib.h (struct cpp_options): Remove deps_target.
11358 * gcc.c (cpp_options): Handle -MT.
11359 * mkdeps.c (struct deps): Move from mkdeps.h.
11360 (deps_calc_target): Rename deps_add_default_target. Add a
11361 default target if none has been specified already.
11362 * mkdeps.h (struct deps): Move to mkdeps.c.
11363 (deps_calc_target): Rename deps_add_default_target.
11365 2000-01-03 Richard Henderson <rth@redhat.com>
11367 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11369 * c-typeck.c (push_init_level): Move checks for flexible array
11370 members and zero length arrays ...
11371 (pop_init_level): ... here. Silently discard empty initializations.
11373 * varasm.c (output_constructor): Update for sizeof change to
11374 zero-length arrays.
11376 * extend.texi (Zero Length): Clarify semantics.
11378 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11380 * configure.in (tm.h): Include isns-codes.h last.
11381 * configure: Rebuilt.
11383 2001-01-03 Richard Henderson <rth@redhat.com>
11385 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11386 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11388 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11390 * tradcpp.c (main): Make sure finclude() is called with a valid
11391 indepth value while handling -include.
11393 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11395 * gencodes.c (output_predicate_decls): New function.
11397 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11398 even if it is not the first time machmode.h is #included.
11399 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11400 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11401 * gcc.texi (Copyright): Added 2001.
11403 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11405 * c-common.c (c_common_lang_init): New function. Warn if format
11406 warning options which only have effects when used with -Wformat
11407 are used without -Wformat.
11408 * c-common.h (c_common_lang_init): Declare.
11409 * c-lang.c (lang_init): Call c_common_lang_init.
11410 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11412 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11414 * configure.in: Check for the mktemp command.
11415 * configure: Regenerate.
11416 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11417 $TEMP. Create temporary files with mktemp, if available at
11418 configure time; otherwise use set -C. Remove temporary files
11421 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11423 * configure.in: Require at least texinfo 4.0. Check for whether
11424 Pod::Man is sufficiently recent to regenerate GCC manpages.
11425 * configure: Regenerate.
11426 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11428 (GENERATED_MANPAGES): Define.
11429 (generated-manpages): New target. Depend on cpp.1 as well as
11431 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11432 configure to generated-manpages or empty) rather than on the
11433 manpages directly. Remove execute permission from installed
11434 gcov.1 as well as cpp.1.
11435 * cpp.1, gcov.1: Regenerate.
11437 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11439 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11440 tree_low_cst. Allow using cmpstrsi in more cases.
11442 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11444 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11447 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11449 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11450 * Makefile.in (HOST_CFLAGS): Mention build-make.
11452 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11454 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11457 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11459 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11462 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11465 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11466 reg_base_value and reg_known_value arrays.
11467 (init_alias_analysis): Add more cases to detect known values.
11468 * sched-deps.c (deps_may_trap_p): New function.
11469 (sched_analyze_2): Use it.
11471 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11473 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11474 don't discard an ASHIFTRT if we're shifting in a wider mode.
11476 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11478 * toplev.c (rest_of_compilation): Don't print basic block information
11479 when CFG isn't up to date.
11481 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11483 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11484 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11485 (UNALIGNED_SHORT_ASM_OP): Define.
11486 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11488 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11490 * fold-const.c (fold_convert): Fix typo.
11492 2001-01-02 Richard Henderson <rth@redhat.com>
11494 * c-common.h (ASM_INPUT_P): New.
11495 * c-parse.in (asm): Set it when needed.
11496 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11497 existance of an operand.
11499 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11501 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11502 (dwarf2out_frame_debug_expr): Likewise.
11503 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11505 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11507 * i386.c (ix86_split_to_parts): Return number of part required;
11509 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11511 (ix86_split_long_move): Use number of part returned
11512 by ix86_split_to_parts
11513 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11515 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11516 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11517 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11518 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11519 (ALIGN_MODE_128): Add TFmode.
11520 (IS_STACK_MODE): Likewise.
11521 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11522 (HARD_REGNO_OK): Support TFmodes.
11523 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11524 * i386.md (scheduler definitions): Use memory operand to determine
11525 fst/fld instructions; use mode attribute to determine real mode of
11527 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11528 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11530 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11532 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11534 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11536 * expr.c (store_constructor_field): Update ALIGN before calling
11539 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11541 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11544 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11546 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11549 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11551 * c-decl.c (start_function): Don't warn on third parameter to main.
11553 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11555 * tsystem.h: Define HAVE_DECL_GETOPT.
11557 2001-01-02 Philip Blundell <pb@futuretv.com>
11559 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11562 2001-01-02 Richard Henderson <rth@redhat.com>
11564 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11566 2001-01-02 Andreas Jaeger <aj@suse.de>
11568 * c-decl.c (c_decode_option): Remove support of
11569 -Wmissing-noreturn.
11571 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11572 (W_options): Add -Wmissing-noreturn here.
11574 * flow.c: Define lang_missing_noreturn_ok_p.
11575 (check_function_return_warnings): Use it.
11577 * c-common.h: Declare lang_missing_noreturn_ok_p.
11579 * c-lang.c (c_missing_noreturn_ok_p): New function.
11580 (lang_init): Set lang_missing_noreturn_ok_p.
11582 * invoke.texi (Warning Options): Document this.
11584 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11586 * extend.texi (C++ Extensions): New node for C++ attributes;
11587 describe init_priority and com_interface.
11588 * invoke.texi: Remove -finit-priority as it now has zero effect.
11589 * install.texi: Fix xref syntax.
11590 * md.texi: Likewise.
11592 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11594 * config.gcc (sparc64-wrs-vxworks*): New case.
11595 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11597 * config/sparc/sparc.c (sparc_override_options): Do support different
11598 pointer and architecture size.
11599 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11600 (POINTERS_EXTEND_UNSIGNED): Define.
11601 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11602 (FUNCTION_MODE): Define to be Pmode.
11603 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11605 * function.c (expand_function_end): Properly handle DECL_RESULT
11606 and copy when ptr_mode != Pmode.
11607 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11609 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11611 * c-common.c (c_common_nodes_and_builtins): Set prototype
11612 parameters for __builtin_fputs, __builtin_fputc and
11613 __builtin_fwrite. Don't declare plain fputc as a builtin.
11615 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11617 * loop.c (add_label_notes): Increment the label usage count when
11618 a note is added to an insn which refers to a CODE_LABEL.
11619 * gcse.c (add_label_notes): Likewise.
11621 2001-01-01 Andreas Jaeger <aj@suse.de>
11623 * loop.c (scan_loop): Use xmalloc to allocate movables.
11625 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11627 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11628 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11629 * reload1.c (REGISTER_MOVE_COST): Likewise.
11630 * regclass.c (REGISTER_MOVE_COST): Likewise.
11631 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11632 dimension. Adjust all users.
11633 (init_reg_sets_1): Iterate on all modes.
11634 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11635 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11636 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11637 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11638 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11639 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11640 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11641 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11642 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11643 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11644 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11645 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11646 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11647 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11648 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11649 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11650 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11651 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11652 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11653 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11654 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11655 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11656 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11657 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11658 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11659 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11660 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11662 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11664 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11665 arg VARIES_P. Call it with extra arg.
11666 (true_dependence): Likewise.
11667 * rtl.h (rtx_addr_can_trap_p): Declare.
11668 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11670 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11671 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11672 pic offset table register if it's zero. All callers changed.
11673 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11675 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11677 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11678 STRING_POOL_ADDRESS_P.
11680 * config/sparc/sparc.c (input_operand): Properly test for short op.
11682 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11683 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11684 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11685 * config/sparc/elf.h: No longer include sol2.h.
11686 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11687 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11689 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11691 2001-01-01 Michael Hayes <mhayes@redhat.com>
11693 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11694 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11695 (record_initial): Likewise.
11696 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11697 (remap_split_bivs): Likewise.
11699 2001-01-01 Michael Hayes <mhayes@redhat.com>
11701 * loop.c (loop_ivs_free): New function.
11702 (strength_reduce): Break out from...
11704 2001-01-01 Michael Hayes <mhayes@redhat.com>
11706 * loop.h (struct iv): New.
11707 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11708 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11709 'reg_biv_class' fields with 'regs' and 'n_regs'.
11710 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11711 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11712 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11714 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11716 * resource.c (mark_referenced_resources): Abort() before
11717 attempting to mark a pseudo register.
11718 (mark_set_resources): Likewise.
11720 2001-01-01 Michael Hayes <mhayes@redhat.com>
11722 * loop.h (REG_IV_CLASS): New accessor macro.
11723 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11724 * unroll.c (REG_IV_CLASS): Likewise.
11726 See ChangeLog.4 for earlier changes.