1 2001-05-25 Dale Johannesen <dalej@apple.com>
3 * config/rs6000/t-darwin: Fix dependencies for darwin.o.
5 2001-05-25 Neil Booth <neil@daikokuya.demon.co.uk>
7 * c-parse.in (notype_initdcl): Remove redundant line.
9 2001-05-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11 * aclocal.m4: Fixed typo.
12 (gcc_AC_HEADER_STDBOOL): Define.
13 (gcc_AC_C__BOOL): Define.
14 * configure.in: Use them.
15 (AC_CHECK_HEADERS): Remove stdbool.h
16 * configure, config.in: Regenerate.
18 2001-05-25 Richard Henderson <rth@redhat.com>
20 * function.c (expand_function_start): Don't abort on PARALLEL
21 returns from hard_function_value.
23 2001-05-25 Richard Henderson <rth@redhat.com>
25 * config/i386/i386.md: Revert previous change. Do not apply
26 the peephole if the components do not die after the sequence.
28 2001-05-25 Joseph S. Myers <jsm28@cam.ac.uk>
30 * c-parse.in (array_declarator): New. Handle C99 constructs.
31 Don't restrict [*] declarators to C only.
32 (after_type_declarator, parm_declarator_starttypename,
33 parm_declarator_nostarttypename, notype_declarator,
34 direct_absdcl1): Use it.
35 * c-decl.c (build_array_declarator, set_array_declarator_type):
36 New functions. Warn that [*] isn't properly implemented; pedwarn
37 for [*] outside C99 mode if pedantic rather than giving a hard
39 (grokdeclarator): Handle static and type qualifiers in parameter
41 * c-tree.h (build_array_declarator, set_array_declarator_type):
43 * extend.texi (Attribute Syntax): Document attributes in parameter
46 2001-05-25 Mark Mitchell <mark@codesourcery.com>
48 * config/i386/i386.md: Make sure cmpstr peepholes do not
49 affect liveness information.
51 2001-05-24 Mark Mitchell <mark@codesourcery.com>
53 * c-typeck.c (digest_init): Issue error messages about
54 invalid constants, not warnings.
56 2001-05-24 Mark Mitchell <mark@codesourcery.com>
58 * invoke.texi (-fno-builtin): Document that this is always on
61 2001-05-24 Philip Blundell <philb@gnu.org>
63 * doc/install.texi (arm*-*-linux-gnu): Say that binutils 2.10 is
66 2001-05-24 Philip Blundell <philb@gnu.org>
68 * config/arm/arm.c (output_return_instruction): Correctly handle
69 interworking and interrupt functions.
71 2001-05-24 Philip Blundell <philb@gnu.org>
73 * config/arm/arm.h (TARGET_SWITCHES): Correct misleading help for
74 -m{no-}sched-prolog. Fix typos and improve formatting.
76 2001-05-24 Philip Blundell <philb@gnu.org>
78 * invoke.texi (ARM Options): Improve wording slightly. Add
79 documentation for more options, including those for Thumb mode.
80 Don't mention options that don't exist or are unimplemented.
81 (Thumb Options): Delete; merged into above section.
83 2001-05-24 Geoff Keating <geoffk@redhat.com>
85 * config/rs6000/linux.h (SIGNAL_FRAMESIZE): Define.
86 (MD_FALLBACK_FRAME_STATE_FOR): Use it.
88 Thu May 24 19:47:19 CEST 2001 Jan Hubicka <jh@suse.cz>
90 * simplify-rtx.c (simplify_subreg): Fix CONCAT simplification;
91 fix hard register simplification.
93 Thu May 24 00:15:17 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
95 * sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Add all of CPP_SPEC instead
96 of just copying CPP_CPU_SPEC.
98 Thu May 24 15:56:48 CEST 2001 Jan Hubicka <jh@suse.cz>
100 * i386.c (incdec_operand): Accept only 1 and -1.
102 2001-05-23 Kelley Cook <kelley.cook@home.com>
104 * Makefile.in: Move many of the *_H definitions eariler in the
105 file, so that rules in t-* files that use them for
106 dependencies will work in a parallel build.
107 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
109 2001-05-23 Richard Henderson <rth@redhat.com>
111 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
113 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
115 * cpp.texi: Update for handling of charconsts.
116 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
117 diagnostics. Skip to the end if the UCS is too short.
118 (cpp_interpret_charconst): Long charconsts issue a warning
121 2001-05-23 Richard Henderson <rth@redhat.com>
123 * doc/install.texi (alpha-linux): Require binutils 2.11.
125 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
127 * c-lex.c (read_escape, read_ucs): Delete.
128 (lex_string): Use cpp_parse_escape.
129 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
130 if not C++ or not C99. Warn if traditional.
131 (parse_escape): Rename cpp_parse_escape. Make the bitmask
132 unsigned. Warn for out-of-range escape sequences here.
133 Update to use maybe_read_ucs.
134 (cpp_interpret_charconst): Don't warn here.
135 * cpplib.h (cpp_parse_escape): New exported function.
137 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
139 * extend.texi (Attribute Syntax): Clarify application of
140 attributes to parameters declared as functions or arrays.
142 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
144 * dbxout.c (dbxout_type_methods): Do still group methods by name.
146 2001-05-23 Zack Weinberg <zackw@stanford.edu>
148 * diagnostic.c (vnotice): Kill.
149 (fnotice): Call vfprintf directly.
150 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
151 verbatim, set_diagnostic_context): Rename string argument to
152 indicate that it is run through gettext.
153 (vbuild_message_string, build_message_string, output_do_printf):
154 Rename string argument to indicate that it is NOT run through
156 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
157 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
158 Run msgid argument through gettext.
159 (default_print_error_function): Run constant strings through
160 gettext when nothing else will.
161 (fatal_error, internal_error, error_recursion): Use fnotice.
162 Present complete sentences to gettext.
164 2001-05-23 Mark Mitchell <mark@codesourcery.com>
166 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
168 2001-05-23 Richard Henderson <rth@redhat.com>
170 * function.c (expand_function_start): Always use a pseudo
171 for the function result value.
173 2001-05-22 Richard Henderson <rth@redhat.com>
175 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
176 section pointer alignment.
178 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
180 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
181 of __USER_LABEL_PREFIX__.
183 2001-05-22 Richard Henderson <rth@redhat.com>
185 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
186 (__deregister_frame_info_bases): New.
187 * unwind-dw2-fde.h: Declare it.
188 * libgcc-std.ver: Export it.
189 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
190 called __register_frame_info_bases.
192 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
194 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
195 instead of #elif (which is OK for this case but not in general).
197 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
199 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
200 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
201 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
202 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
203 "r2" to the assembly file. Only issue allocs with non-zero parameters.
205 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
206 David O'Brien <obrien@freebsd.org>
208 * config/freebsd.h (LIB_SPEC): Key the exact setting to
209 configure-time options and target version of FreeBSD. Set-up
210 to match architectural change in threading support. Correctly
211 report when -pthread option is not supported by configure-time
213 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
214 and extend to encode target version number in run-time setting
215 of __FreeBSD__ macro to match the system compiler.
216 (CPP_PREDEFINES): Likewise.
217 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
219 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
220 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
222 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
223 David O'Brien <obrien@freebsd.org>
225 * config.gcc (the unlabeled system switch statement): Add
226 generic configuration section to handle *-*-freebsd*. Also,
227 to match the system compiler, default to threading support (it
228 may be disabled with the standard --disable-threads
229 configuration-time switch).
230 (i[34567]86-*-freebsd* in machine-specific section): Use it.
231 (alpha*-*-freebsd* in machine-specific section): Likewise.
233 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
234 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
235 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
236 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
237 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
239 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
240 David O'Brien <obrien@freebsd.org>
242 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
243 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
244 -pthread instead setting macro.
246 2001-05-22 Richard Henderson <rth@redhat.com>
248 * crtstuff.c (__register_frame_info_bases): Declare.
249 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
250 (__do_global_dtors_aux, __do_global_dtors): Streamline.
252 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
253 (CRT_GET_RFIB_DATA): New.
254 * config/i386/sysv4.h: Likewise.
255 * config/i386/sco5.h: Likewise.
256 (ASM_PREFERRED_EH_DATA_FORMAT): New.
258 2001-05-22 Richard Henderson <rth@redhat.com>
260 * rtl.c (read_string): Break out from ...
261 (read_rtx): ... here.
263 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
265 * doc/install.texi (Specific): Remove a bogus and duplicate part
266 copied from the end of the document.
268 2001-05-22 Bernd Schmidt <bernds@redhat.com>
270 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
272 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
274 * install.texi: Remove obsolete information on SunOS as well as
275 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
276 (Installing GNU CC on the Sun): Remove section.
278 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
280 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
281 keep errno unchanged on success.
283 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
285 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
286 once for hexadecimal floats, whether or not they contain a decimal
287 point. Don't let the setting of pedantic otherwise affect the
288 parsing of hexadecimal floats.
290 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
292 * README.ACORN: Remove obsolete file.
294 2001-05-22 Jan Hubicka <jh@suse.cz>
296 * combine.c (gen_binary): Use swap_commutative_operands_p
297 (simplify_comparison): Likewise.
298 * expmed.c (emit_store_flag): Likewise.
299 * expr.c (compare_from_rtx): Likewise.
300 (do_compare_rtx_and_jump): Likewise.
301 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
302 if not emitting a branch and operands want swapping.
304 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
306 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
307 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
308 (maybe_get_identifier): Update.
309 * tree.h (make_identifier): Delete.
311 2001-05-21 Richard Henderson <rth@redhat.com>
313 * combine.c (subst): Do not substitute for a register as
314 a destination subreg/strict_low_part/zero_extract.
316 * combine.c (simplify_comparison): Update op1 after constant
318 * recog.c (const_int_operand): Accept only constants valid
320 * genrecog.c: Update comments wrt const_int_operand.
322 * emit-rtl.c (init_emit_once): Zero unused memory in a
325 2001-05-21 Mark Mitchell <mark@codesourcery.com>
327 * tree.h (type_num_arguments): Declare it.
328 * tree.c (type_num_arguments): New function.
330 2001-05-21 Richard Henderson <rth@redhat.com>
332 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
335 2001-05-21 Geoff Keating <geoffk@redhat.com>
337 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
339 (minsf3): Use rs6000_emit_minmax.
340 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
342 (movsfcc): Use rs6000_emit_cmove.
343 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
344 Don't generate emit_fselsfsf4.
345 (fseldfsf4): Likewise.
346 (maxdf3): Use rs6000_emit_minmax.
348 (mindf3): Use rs6000_emit_minmax.
349 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
351 (movdfcc): Use rs6000_emit_cmove.
352 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
353 Don't generate emit_fselsfsf4.
354 (fselsfdf4): Likewise.
355 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
356 (min_max_operator): New predicate.
357 (rs6000_emit_cmove): New function.
358 (rs6000_emit_minmax): New function.
359 * config/rs6000/rs6000-protos.h: Prototype new functions.
360 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
361 and min_max_operator.
363 * config/rs6000/rs6000.c (output_cbranch): Handle all
364 conditional types in the switch statement.
366 2001-05-21 Mark Mitchell <mark@codesourcery.com>
368 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
369 non-register variables.
370 * extend.texi: Document that asm-specifications do not make sense
371 for non-static local variables.
373 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
375 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
376 (dbxout_type_fields): Lose minimal_debug support.
377 (dbxout_type_methods, dbxout_type): Likewise.
379 2001-05-17 Andrew Haley <aph@redhat.com>
381 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
383 2001-05-21 Richard Henderson <rth@redhat.com>
385 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
388 2001-05-20 Richard Henderson <rth@redhat.com>
390 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
391 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
392 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
393 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
394 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
396 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
397 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
398 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
399 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
400 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
401 DEBUG_PUBNAMES_SECTION): Rename as above.
402 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
404 2001-05-20 Richard Henderson <rth@redhat.com>
406 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
407 operands unless the operation is commutative.
409 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
411 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
414 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
416 * extend.texi: Clarify documentation of extensions included in ISO
417 C99. Prefer C99 terminology and syntax to old GNU terminology and
418 syntax. Add more index entries. Document mixed declarations and
419 code as an extension in C89 mode. Warn about future changes to
420 semantics of inline functions. Fixes PR other/930.
422 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
424 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
425 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
426 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
427 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
429 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
431 2001-05-20 Richard Henderson <rth@redhat.com>
433 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
434 to be output before a branch.
436 2001-05-20 Richard Henderson <rth@redhat.com>
438 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
440 2001-05-20 Richard Henderson <rth@redhat.com>
442 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
443 (ASM_DOUBLE): Remove.
444 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
445 * config/i386/sun386.h: Likewise.
447 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
448 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
450 * config/i386/cygwin.h (INT_ASM_OP): Remove.
451 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
452 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
453 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
455 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
456 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
457 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
458 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
459 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
460 * config/i386/win32.h: Likewise.
462 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
464 * invoke.texi: Add more options to summary list.
466 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
468 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
469 used. Fixes PR c/2291.
472 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
474 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
475 the -fpic and -fPIC options, clear flag_pic.
477 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
479 * hashtable.c (calc_hash): Fix HASHSTEP definition.
480 * stringpool.c (make_identifier): No statistics here anymore.
481 * objc-act.c (steup_string_decl): Remove redundant check.
483 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
485 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
486 cpplib.o, cpphash.o, fix-header): Update.
487 (hashtable.o): New target.
488 * c-common.h: Include cpplib.h. Define C_RID_CODE and
489 struct c_common_identifier here.
490 * c-lang.c (c_init_options): Update. Call set_identifier_size.
491 * c-lex.c (c_lex): Update.
492 * c-pragma.h: Update.
493 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
495 (C_RID_CODE): Delete.
496 * cpphash.c: Rewrite to use hashtable.c.
497 * cpphash.h: Update include guards.
498 (struct cpp_reader): Remove hashtab.
499 hash_ob and buffer_ob are no longer pointers. Add hash_table
501 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
502 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
503 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
504 * cppinit.c (cpp_create_reader): Update.
505 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
506 (cpp_interpret_charconst): Eliminate warning.
507 * cpplib.c (do_pragma, do_endif, push_conditional,
508 cpp_push_buffer, cpp_pop_buffer): Update.
509 (_cpp_init_stacks): Rename cpp_init_directives.
510 (_cpp_cleanup_stacks): Remove.
511 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
512 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
513 cpp_forall_identifiers, cpp_create_reader): Update.
514 (C_RID_CODE, cpp_make_node): New.
515 (c_common_identifier): New identifier node for C front ends.
516 * cppmain.c (main): Update.
517 * fix-header.c (read_scan_file): Update.
518 * flags.h (id_clash_len): Make unsigned.
519 * ggc.h (ggc_mark_nonnull_tree): New.
522 * stringpool.c: Update comments and copyright. Update to use
524 * toplev.c (approx_sqrt): Move to hashtable.c.
525 (id_clash_len): Make unsigned.
526 * toplev.h (ident_hash): New.
527 * tree.c (gcc_obstack_init): Move to hashtable.c.
528 * tree.h: Include hashtable.h.
529 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
530 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
531 (struct tree_identifier): Update.
532 (make_identifier): New.
534 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
535 (C_RID_CODE): Remove.
536 * lex.c (cxx_init_options): Call set_identifier_size. Update.
537 (init_parse): Don't do it here.
539 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
541 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
543 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
545 (expand_eh_return): Convert between word_mode and Pmode.
546 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
548 (execute_stack_op): Likewise.
549 (execute_cfa_program): Likewise.
550 (uw_frame_state_for): Likewise.
551 (uw_update_context_1): Likewise.
552 * unwind.inc (_Unwind_Reason_Code): Likewise.
553 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
554 (EH_RETURN_STACKADJ_RTX): Likewise.
555 * config/mips/mips.c (compute_frame_size): Make space for saving
557 (mips_expand_epilogue): Handle EH stack adjustments.
558 * config/mips/mips.md (eh_return): New pattern.
559 (eh_set_lr_si): Likewise.
560 (eh_set_lr_di): Likewise.
561 Add splitter to perform EH return after reload.
563 2001-05-19 Mark Mitchell <mark@codesourcery.com>
565 * jump.c (mark_jump_label): Tidy previous change.
567 2001-05-19 Bruce Korb <bkorb@gnu.org>
569 * fixinc/genfixes: no need for two warnings
570 * fixinc/Makefile.in: open stdin for those building with a closed one.
572 2001-05-19 Mark Mitchell <mark@codesourcery.com>
574 * jump.c (jump_optimize_1): Tidy.
575 (mark_jump_label): When changing the label in a LABEL_REF, change
576 update any REG_EQUAL notes as well.
578 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
580 * c-parse.in (parm_declarator): Split into
581 parm_declarator_starttypename and parm_declarator_nostarttypename.
582 (parm_declarator_starttypename, parm_declarator_nostarttypename):
583 New. Allow parenthesised sub-declarators which don't begin with a
584 TYPENAME. Fixes PR c/166.
586 2001-05-19 Mark Mitchell <mark@codesourcery.com>
588 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
590 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
592 * toplev.c (main): If the target does not allow profiling without
593 a frame pointer, issue an error message.
594 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
597 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
599 * recog.c (general_operand): Modify last change to allow it if reload
602 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
604 * recog.c (general_operand): Prohibit nonzero subreg bytes on
605 subregs containing mem.
607 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
609 * regrename.c (regrename_optimize): frame pointer register can
612 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
614 * README.DWARF: Move into dwarfout.c.
616 2001-05-18 Dale Johannesen <dalej@apple.com>
618 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
619 specific misuse of r0 as a reload address.
621 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
623 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
626 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
628 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
629 (add_to_sequence): Make that decision type.
630 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
631 (write_switch, write_cond, debug_decision_2): Likewise.
633 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
635 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
638 2001-05-18 Stan Shebs <shebs@apple.com>
640 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
641 * configure: Regenerate.
643 2001-05-18 Per Bothner <per@bothner.com>
645 Changes needed for java/jvspec.c
646 * gcc.h (n_infiles, outfiles): Add declarations.
647 * gcc.c (n_infiles, outfiles): Mske no longer static.
649 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
651 * config/pa/som.h (EXCEPTION_SECTION): Define.
653 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
655 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
657 Add have_location_lists, a variable to determine whether we need a
658 .debug_loc section or not.
659 (enum dw_val_class): Add dw_val_class_loc_list.
660 (dw_val_struct): Add val_loc_list.
661 (dw_loc_list_struct): New structure, represents location lists.
662 (new_loc_list): New function, return a new location list, given
663 the range and location expression.
664 (add_loc_descr_to_loc_list): New function, add a location
665 expression to a location list, given the expression and range.
666 (output_loc_list): New function, output a location list.
667 (gen_internal_sym): Modified to take symbol prefix, so we can
668 reuse it for location list symbols.
669 (add_AT_loc_list): New function, add a location list to a DIE at
671 (AT_loc_list): New function, return the location list reference
672 for a given attribute, if it's a location list.
673 (print_die): Handle dw_val_class_loc_list.
674 (size_of_die): Ditto.
675 (value_format): Ditto.
677 (output_location_lists): New function, output all of the location
678 lists for a DIE and it's children.
679 (dwarf2out_finish): Call output_location_lists if we have location
683 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
685 * gcse.c (try_replace_reg): First try global replace, later try to
686 simplify the expression.
688 * gcse.c (find_used_regs): Change calling convention; work via
690 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
692 2001-05-18 Bernd Schmidt <bernds@redhat.com>
695 2001-02-09 Nick Clifton <nickc@redhat.com>
696 * config/arm/arm.md: Change output constraint on post inc
697 load/store multiple patterns to be a read/write constraint.
699 2001-05-18 Mark Mitchell <mark@codesourcery.com>
701 * basic-block.h (struct basic_block_def): Add documentation about
702 what a basic block is, and what the various fields are used for.
703 * flow.c (calculate_globlal_regs_live): Add documentation about
704 how the algorithm works, and how we know that it will terminate.
705 Check that the the inductive assumption that guarantees
706 termination actually holds.
707 (mark_used_regs): Treat conditionally set registers as used.
708 (debug_regset): Add comment.
709 * rtl.texi (cond_exec): Add documentation.
711 * function.c (expand_function_start): Avoid creating BLKmode
714 2001-05-17 Mark Mitchell <mark@codesourcery.com>
716 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
717 DIE, even if it has no children.
718 (dwarf2out_finish): Always output the line-number table, even if
721 2001-05-18 David Edelsohn <edelsohn@gnu.org>
723 * rs6000.md (movsfcc,movdfcc): Remove NE case.
725 2001-05-17 Bruce Korb <bkorb@gnu.org>
727 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
728 * fixinc/genfixes: emit a warning if AutoGen is out of date
730 2001-05-17 Brendan Conoboy <blc@cygnus.com>
731 Bruce Korb <bkorb@gnu.org>
733 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
734 found in fixinc directory. Facilitates binary distributions.
736 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
738 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
741 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
743 * dwarf2out.c (modified_type_die): Equate qualified type to die.
745 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
747 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
748 (simplify_subreg): Handle complex types represented as CONCAT.
750 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
751 * rtl.h (swap_commutative_operands_p): Declare.
752 * rtlanal.c (swap_commutative_operands_p): New.
753 (operand_preference): New static function.
755 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
756 (gen_binary): Likewise.
757 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
758 * simplify-rtx.c (simplify_gen_binary,
759 simplify_gen_relational): Likewise.
761 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
763 * cse.c (fold_rtx): Use simplify_subreg.
765 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
766 (simplify_gen_subreg): New.
767 (simplify_rtx): Use simplify_subreg.
768 * rtl.h (simplify_gen_subreg): Declare.
770 2001-05-17 Mark Mitchell <mark@codesourcery.com>
772 * doc/install.texi: Update Solaris information.
774 * except.h (protect_cleanup_actions): Remove it.
775 (lang_protect_cleanup_actions): Declare it.
776 * except.c (protect_cleanup_actions): Remove it.
777 (lang_protect_cleanup_actions): New variable.
778 (init_eh): Don't make protect_cleanup_actions a GC root.
779 (expand_eh_region_and_cleanup): Call
780 lang_protect_cleanup_actions.
781 (output_function_exception_table): Remove unused `align'
783 * varasm.c (assemble_external): Abort if we have not yet
784 opened the assembly output file.
786 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
788 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
789 for eh_personality_libfunc.
791 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
793 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
794 when calling simplify_subreg. This is needed to allow replacing
795 of expression of one mode by expression of different mode.
797 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
799 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
801 2001-05-17 Bernd Schmidt <bernds@redhat.com>
803 * expr.c (protect_from_queue): Protect against subsequent calls to
805 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
808 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
810 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
812 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
814 * gccbug.in (CATEGORIES): Add "bootstrap".
816 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
818 * simplify-rtx.c (simplify_subreg): Break out from ...
819 * combine.c (combine_splify_rtx) ... here and ...
820 * recog.c (validate_replace_rtx_1): ... here;
821 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
822 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
823 (subreg_lowpart_p): ... here.
825 2001-05-17 Bernd Schmidt <bernds@redhat.com>
827 * stmt.c (expand_asm_operands): For inout operands, make sure
828 the substitution of '=' for '+' makes it into the rtl.
830 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
831 (reload_as_needed): Call update_eliminable_offsets a bit later.
833 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
835 * gcc.texi (gccbug): Refer to the web pages for detailed information
838 2001-05-16 Zack Weinberg <zackw@stanford.edu>
840 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
842 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
843 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
844 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
845 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
846 * cross-make: Don't set LIBGCC1.
847 * mklibgcc.in: Delete all code for building from libgcc1.c.
848 Always honor LIB1ASMFUNCS if set.
850 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
851 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
852 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
853 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
854 config/i386/uwin.asm, config/m68hc11/larith.asm,
855 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
856 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
857 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
858 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
859 Delete or update references to libgcc1 in commentary.
861 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
862 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
863 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
864 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
865 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
866 config/arm/t-semi, config/arm/t-strongarm-coff,
867 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
868 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
869 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
870 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
871 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
872 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
873 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
874 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
875 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
876 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
877 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
878 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
879 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
880 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
881 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
882 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
883 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
884 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
885 config/mips/t-ultrix, config/mn10200/t-mn10200,
886 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
887 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
888 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
889 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
890 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
891 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
892 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
893 config/sparc/t-sparclite, config/sparc/t-splet,
894 config/sparc/t-sunos41, config/sparc/t-vxsparc,
895 config/sparc/t-vxsparc64, config/v850/t-v850:
896 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
898 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
899 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
900 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
901 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
902 nongcc_SI_type, nongcc_word_type, or perform_*
903 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
905 * config/i386/386bsd.h, config/i386/beos-elf.h,
906 config/i386/linux-aout.h, config/i386/linux-oldld.h,
907 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
908 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
909 Don't include i386/perform.h.
911 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
912 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
913 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
914 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
915 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
916 config/vax/t-openbsd, config/vax/t-vax: Delete.
918 * config.gcc: Remove references to deleted files.
919 (arm-semi-aof): Use arm/t-semi for tmake_file.
921 * gcc.texi, install.texi, invoke.texi, tm.texi:
922 Delete or rewrite text which is no longer relevant now that
923 libgcc1 no longer exists.
925 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
926 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
928 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
929 Bruce Korb <bkorb@gnu.org>
931 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
934 2001-05-16 Zack Weinberg <zackw@stanford.edu>
936 * i386.md: Add two peepholes to clean up code generated by
939 2001-05-16 Richard Henderson <rth@redhat.com>
941 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
942 variants of non-absolute encodings.
944 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
946 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
947 __register_frame_info_table_bases): Export.
949 2001-05-16 Richard Henderson <rth@redhat.com>
951 * except.c (eh_data_format_name): Move to ...
952 * dwarf2asm.c: ... here. Use designated initializers if available.
953 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
954 * dwarf2asm.h: Update declarations.
955 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
956 ASM_PREFERRED_EH_DATA_FORMAT.
957 (output_call_frame_info): Likewise. Use 'L' augmentation for
960 * unwind-dw2-fde.h (struct fde_vector): New.
961 (struct old_object): Rename from struct object.
962 (struct object): New.
963 (__register_frame_info_bases): Declare.
964 (__register_frame_info_table_bases): Declare.
965 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
966 * unwind-dw2-fde.c (objects): Remove.
967 (unseen_objects, seen_objects): New.
968 (__register_frame_info_bases): New.
969 (__register_frame_info): Use it.
970 (__register_frame_info_table_bases): New.
971 (__register_frame_info_table): Use it.
972 (__deregister_frame_info): Rewrite for changed object struct.
973 (base_from_object, get_cie_encoding, get_fde_encoding): New.
974 (fde_unencoded_compare): Rename from fde_compare; uninline.
975 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
976 (start_fde_sort): Adjust for new definition of fde_vector.
977 (fde_insert): Likewise.
978 (end_fde_sort): Likewise. Select comparison function based
979 on properties of the object.
980 (fde_split): Take object and fde_compare_t arguments.
981 (frame_heapsort, fde_merge): Likewise.
982 (classify_object_over_fdes): Rename from count_fdes. Handle
983 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
985 (add_fdes): Handle encoded pointers.
986 (init_object): Rename from frame_init. Update for new struct object.
987 (linear_search_fdes): Rename from search_fdes. Handle encoded
989 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
990 (binary_search_single_encoding_fdes): New.
991 (binary_search_mixed_encoding_fdes): New.
992 (search_object): New.
993 (_Unwind_Find_FDE): Update for new struct object. Fill in
995 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
996 iterating over EH data.
997 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
998 fde_encoding, lsda_encoding.
999 (read_uleb128, read_sleb128): Remove.
1000 (read_encoded_pointer): Remove. All callers use read_encoded_value.
1001 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
1002 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
1004 * unwind-pe.h: Add "struct" to _Unwind_Context references.
1006 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1008 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
1009 * cpphash.c (_cpp_lookup_with_hash): Similarly.
1010 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
1011 cpp_spell_token, cpp_output_token): Similarly.
1012 * cpplib.c (lex_macro_node, do_undef, do_pragma,
1013 do_pragma_poison, parse_assertion, do_assert): Similarly.
1014 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
1015 save_parameter, _cpp_create_definition, check_trad_stringification,
1016 cpp_macro_definition): Similarly.
1017 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
1018 * c-lex.c (cb_undef, c_lex): Similarly.
1019 * fix-header.c (recognized_function): Similarly.
1020 * cpplib.h (NODE_LEN, NODE_NAME): New.
1021 (cpp_hashnode): Rename length len.
1023 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
1025 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
1028 2001-05-16 Andreas Jaeger <aj@suse.de>
1030 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
1032 * toplev.c: Include dwarf2asm.h for prototype of
1033 dw2_output_indirect_constants.
1035 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
1037 * stmt.c (expand_asm_operands): Be able to offload addressof
1038 expression to memory. (PR optimization/185)
1040 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
1042 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
1043 applying distributive law.
1045 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
1047 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
1049 * gthr-dce.h (UNUSED): Attribute unused macro.
1050 (__gthread_key_dtor): Make arguments UNUSED.
1051 (__gthread_key_delete): Revise for compatibility with DRAFT4
1054 2001-05-16 David Edelsohn <edelsohn@gnu.org>
1056 * doc/install.texi: Update AIX information.
1057 * README.RS6000: Remove obsolete file.
1059 2001-05-16 Jakub Jelinek <jakub@redhat.com>
1060 Nathan Sidwell <nathan@codesourcery.com>
1062 * gcc.c (give_switch): Don't write before start of string.
1063 Always append suffix.
1065 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
1067 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
1070 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1072 * README.ALTOS: Remove obsolete file.
1074 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1076 * c-lex.h (save_and_forget_protocol_qualifiers,
1077 forget_protocol_qualifiers, remember_protocol_qualifiers):
1078 Remove deleted functions' prototypes.
1080 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
1082 * c-parse.in (methodtype): New production.
1083 (methoddef, methodproto): Collapse separate '-' and '+'
1086 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1088 * c-common.h (RID_FIRST_PQ): New.
1089 * c-parse.in (objc_pq_context): New.
1090 (objc parser): Set objc_pq_context rather than calling
1091 remember_protocol_qualifiers and forget_protocol_qualifiers.
1092 Don't call save_and_forget_protocol_qualifiers.
1093 (yylexname): Handle objc protocol qualifiers here.
1094 * stringpool.c (struct str_header): Replace with sp_hashnode.
1095 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
1096 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
1097 Allocate an IDENTIFIER_NODE for each identifier.
1098 (FORALL_STRINGS, set_identifier): Delete.
1099 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
1100 (ggc_alloc_string): Use an obstack.
1101 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1102 * tree.h: Update comments.
1103 (set_identifier): Delete.
1104 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1105 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1106 remember_protocol_qualifiers): Delete.
1108 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1110 * flow.c (life_analysis): After life analysis is complete, do
1111 an optional scan over insns looking for REG_LABEL notes that
1112 reference a deleted label.
1113 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1114 before peeking at LABEL_NUSES.
1116 2001-05-15 Richard Henderson <rth@redhat.com>
1118 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1119 (_Unwind_GetTextRelBase): New.
1121 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1123 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1125 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1127 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1128 so that CHOOSE_SECTION gets used.
1130 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1131 TARGET_RELOCATABLE like flag_pic for now.
1133 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1135 * rs6000.md (movdi splitter): Sign extend more efficiently.
1136 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1137 to "long long" valid on 32-bit and 64-bit hosts.
1138 (logical_operand): Cast trunc_int_for_mode return value.
1139 (rs6000_emit_move): Shift macro to encapsulate variable.
1140 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1141 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1142 plus_constant requires signed argument.
1144 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1146 * gthr-posix.h: Make additional pthread-* functions weak.
1148 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1150 * recog.c (apply_change_group): Avoid unneeded validating.
1152 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1154 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1155 (num_insns_constant): CONST_INT can be 64-bits.
1157 2001-05-14 Stan Shebs <shebs@apple.com>
1159 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1160 (LIBGCC_SPEC): Don't define.
1162 2001-05-14 Richard Henderson <rth@redhat.com>
1164 * configure.in (gcc_cv_as_eh_frame): New test.
1165 * config.in, configure: Rebuild.
1166 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1168 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1170 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1171 extended precision divide.
1173 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1175 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1176 for RETURNS as well.
1178 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1180 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1181 (CPP_CPU??_SIZE_TYPE): New.
1182 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1183 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1184 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1185 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1187 * i386.c (override_options): Add sorry about not suported modes.
1189 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1191 * config/pa/som.h (NM_FLAGS): Remove.
1192 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1193 (ASM_OUTPUT_SECTION_NAME): Remove.
1194 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1196 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1198 * regrename.c (regrename_optimize): Do not rename registers to
1201 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1203 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1204 contain MEMs. Remove useless distinction about clobbering
1207 2001-05-13 Geoff Keating <geoffk@redhat.com>
1209 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1210 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1211 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1212 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1213 (EXCEPTION_SECTION): Define.
1215 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1217 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1218 binary backward compat only.
1219 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1220 in LIB2FUNCS. Pass it to mklibgcc.
1221 * mklibgcc.in: Handle LIB2FUNCS_ST.
1223 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1225 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1227 * tm.texi (THREAD_MODEL_SPEC): Document it.
1228 * gcc.c (main): Use it.
1229 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1230 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1232 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1234 * rtl.h (SYMBOL_REF_WEAK): New macro.
1235 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1236 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1237 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1238 * gcc.texi: Remove wrong description.
1240 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1242 * Makefile.in (STAMP): New macro.
1243 Replace all uses of `touch' with $(STAMP).
1244 * fixinc/Makefile.in: Likewise.
1246 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1248 * configure.in: ldopen is never in -lexc, so don't test for it.
1249 Add test for exc_resume in -lexc for Ada.
1250 * configure: Regenerated.
1252 2001-05-12 Richard Henderson <rth@redhat.com>
1254 * dwarf2asm.c (size_of_encoded_value): New function.
1255 * dwarf2asm.h: Declare it.
1256 * except.c (output_function_exception_table): Align the TType
1257 array only as wide as the encoding.
1259 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1261 * extend.texi: Document #pragma GCC java_exceptions.
1263 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1265 * c-parse.in (bison parser, init_reswords): Remove uses of
1267 * c-tree.h (doing_objc_thang): Remove.
1269 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1271 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1272 about files not ending in newlines.
1274 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1276 * dwarfout.c (dwarfout_init): Add cast.
1277 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1278 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1280 * method.c (build_mangled_C99_name): Remove unused prototype.
1282 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1284 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1286 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1288 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1289 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1291 2001-05-11 Richard Henderson <rth@redhat.com>
1293 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1294 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1295 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1296 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1297 (dw2_output_indirect_constants): Prototype.
1298 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1299 current_function_func_begin_label if we'll need it for EH. Exit
1300 early for IA64_UNWIND_INFO.
1301 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1302 (eh_data_format_name): Update for indirect references.
1303 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1304 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1305 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1306 define HAVE_eh_return etc.
1307 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1308 (final_end_function): Don't call output_function_exception_table.
1309 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1310 (rest_of_compilation): Invoke output_function_exception_table
1311 for ia64 before assemble_end_function.
1312 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1313 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1315 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1316 * unwind.h: Declare them.
1317 * libgcc-std.ver: Export them.
1318 * unwind-pe.h: New file.
1320 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1322 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1324 (find_fde_for_dso): Extract DT_PLTGOT.
1325 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1326 the segment and gp as well.
1327 * config/ia64/frame-ia64.c: Remove file.
1328 * config/ia64/frame-ia64.h: Remove file.
1329 * config/ia64/unwind-ia64.c: New file.
1330 * config/ia64/unwind-ia64.h: New file.
1331 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1332 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1333 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1334 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1335 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1336 (IA64_UNWIND_INFO): Re-enable.
1337 (HANDLER_SECTION): Remove.
1338 (EH_RETURN_DATA_REGNO): New.
1339 * config/ia64/ia64.md (exception_receiver): Remove.
1340 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1341 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1343 2001-05-11 Richard Henderson <rth@redhat.com>
1345 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1346 calls and jumps to be bundled together.
1347 (ia64_reorg): Emit a break after a noreturn call that ends
1349 * config/ia64/ia64.md (break_f): New.
1351 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1353 * c-lex.c (lex_charconst): Convert into a simple wrapper
1354 around cpp_interpret_charconst, to which most of the code
1356 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1357 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1358 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1359 (lex): Use cpp_interpret_charconst.
1360 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1361 hex_digit_value): New functions.
1362 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1363 * cpplib.h (cpp_interpret_charconst): New prototype.
1364 * Makefile.in: Update.
1366 2001-05-12 Dean Wakerley <dean@wakerley.com>
1368 * doc/install.texi: New file. Converted to texinfo from the HTML
1369 documentation in wwwdocs/htdocs/install.
1371 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1373 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1374 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1376 * toplev.c (compile_file): Move comment for opening output
1377 file to just before the code that opens the output file.
1379 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1381 * regmove.c (regmove_optimize): Suppress the optimization for
1382 unchanging destination register. Add comment above function.
1384 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1386 * Makefile.in: Exterminate all references to assert.h.
1387 * cross-make: Likewise.
1389 * configure.in: Correct commentary.
1390 * configure: Regenerate.
1392 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1395 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1396 config/t-netbsd, config/t-rtems, config/x-linux,
1397 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1398 No need to override INSTALL_ASSERT_H.
1400 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1401 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1402 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1404 2001-05-11 Graham Stott <grahams@redhat.com>
1406 * combine.c (simplify_comparison): Fix typo.
1408 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1410 * loop.h (struct movables): Remove `num'.
1411 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1412 Adjust call to strength_reduce.
1413 (num_unmoved_movables): New function.
1414 (move_movables): Don't set movables->num.
1415 (strength_reduce): Compute the number of instructions in the loop
1416 here, rather than in the caller.
1417 (check_dbra_loop): Always clear reversible_mem_store if there
1418 are any memory sets.
1419 (loop_regs_scan): Don't count instructions here.
1420 (count_insn_in_loop): New function.
1422 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1424 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1426 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1428 * c-common.c (finish_label_expr): New function, lifted from
1429 from cp/semantics.c.
1430 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1431 * c-parse.in: Move 3 blocks of parser code into new functions.
1432 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1433 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1434 (lookup_label): Remove.
1436 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1438 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1439 FLOAT_BIT_ORDER_MISMATCH.
1441 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1443 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1444 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1446 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1448 * expr.c (emit_group_load): extract_bit_field requires a REG or
1451 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1453 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1454 a computed jump into an unconditional jump.
1455 In second hunk of code for collapsing computed and conditional jumps
1456 into unconditional jumps, reemit the jump in additional cases.
1458 * jump.c (jump_optimize_1): Do not wrap the new jump target
1459 inside a LABEL_REF; gen_jump will do that automatically.
1461 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1463 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1464 contents for a SYMBOL_REF in case of floating point constants.
1466 2001-05-10 DJ Delorie <dj@redhat.com>
1468 * c-common.c (combine_strings): Widen strings in a
1469 host-endian-independent way.
1471 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1473 * c-parse.in: Remove many shift/reduce conflicts. Update
1475 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1476 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1477 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1478 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1479 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1480 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1481 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1482 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1483 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1484 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1485 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1486 typespec_reserved_nonattr, typespec_reserved_attr,
1487 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1488 structsp_nonattr, components_notype, component_notype_declarator,
1489 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1490 firstparm, setspecs_fp): New
1491 (typed_declspecs, reserved_declspecs, typed_typespecs,
1492 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1493 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1494 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1495 type_quals): Remove. Users updated.
1496 (initdecls, notype_initdecls, after_type_declarator,
1497 parm_declarator, notype_declarator, absdcl1, components, ivars):
1498 Don't allow attributes at the start of a declarator; include them
1499 in the production containing the declarator instead. Always
1500 require type specifiers before trying to redeclare a typedef name.
1501 (typename): Allow for attributes but warn that they are ignored.
1502 (parmlist, firstparm, setspecs_fp): Include attributes in
1503 parmlist; suck them off the parser stack in firstparm using
1506 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1508 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1509 to determine if a block has an unconditional jump at its end.
1511 * jump.c (jump_optimize_1): When converting a conditional jump
1512 to an unconditional jump, build the jump using gen_jump instead
1513 of just modify operands in-place.
1515 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1517 * cppinit.c (cpp_post_options): Shut off macro expansion if
1519 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1520 IN_I directives only if the # is in column 1 and the directive
1521 name begins in column 2.
1522 * cppmain.c (scan_buffer): Insert a space between # and an
1523 identifier, when that identifier is a directive name.
1525 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1526 in the header search path.
1527 (enum node_type): Add T_INCLUDE_NEXT.
1528 (directive_table): Add entry for include_next.
1529 (do_include_next): New function.
1530 (process_include): New routine, broken out of do_include.
1531 (finclude): Insert 'nhd' argument, to be copied into
1532 next_header_dir of the new buffer.
1533 (main): Adjust to match.
1534 * gsyslimits.h, limity.h: Un-indent #include_next.
1536 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1538 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1539 inclusion as a chapter of the GCC manual.
1540 * gcc.texi: Include objc.texi.
1541 * fdl.texi: Use @unnumberedsec for the addendum.
1542 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1544 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1546 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1548 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1550 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1551 handling of two-address insns.
1553 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1555 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1556 ../binutils/nm-new instead of ../binutils/nm.
1558 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1560 * i386.md (movdi splitter): Fix the splitting condition
1561 (float_extenddftf splitter): Fix mode.
1563 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1565 * genrecog.c (write_switch): Avoid outputting of switch for
1566 types wider than int.
1568 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1570 * reload1.c (copy_eh_notes): New function.
1571 (emit_input_reload_insns): Call it.
1572 (emit_output_reload_insns): Call it.
1574 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1576 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1578 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1579 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1581 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1583 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1585 * pa.md (interspace_jump): Revise comment.
1586 (builtin_longjmp): Block initial setup insns from delay slot of
1588 (builtin_setjmp_receiver): New expander to save and restore PIC
1591 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1593 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1595 * toplev.c (compile_file): Set up the output file before we call
1596 the various initializers for the compiler.
1598 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1599 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1601 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1602 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1604 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1606 * Makefile.in (tradcpp0): Correct typo in dependency list.
1608 2001-05-06 Geoff Keating <geoffk@redhat.com>
1610 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1611 the link register if we're not going to use it.
1613 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1614 (output_function_profiler): Likewise.
1616 2001-05-07 Alan Modra <amodra@one.net.au>
1618 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1620 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1622 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1623 zero-extend it. Make abs_inc unsigned.
1625 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1626 widest mode in narrowing and widening operations.
1628 * config/mips/mips.md: Sign extend CONST_INTs.
1630 2001-05-06 Andreas Jaeger <aj@suse.de>
1632 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1633 (i386 Options): Document -momit-leaf-frame-pointer.
1635 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1637 * c-typeck.c (internal_build_compound_expr): Check for
1638 array to pointer conversion just once.
1640 2001-05-05 Richard Henderson <rth@redhat.com>
1642 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1644 2001-05-05 Richard Henderson <rth@redhat.com>
1646 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1647 to the parent of the fixup region.
1649 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1651 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1653 * cpp.texi (__NO_INLINE): Document it.
1655 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1657 * cppfiles.c (struct include_file): New member err_no.
1658 (find_or_create_entry): Set it.
1659 (open_file): Don't set fds to -2. Instead, use err_no to
1660 remember previous errors, if any.
1662 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1664 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1665 between X and Y by using sequences of xgdx and xgdy.
1667 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1669 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1670 of '!' for the 'D' alternative ('!' is too strong).
1671 ("*logicalsi3_silshl16"): Likewise.
1672 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1673 ("movstrictsi"): Remove spurious '+'.
1674 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1675 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1676 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1679 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1681 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1683 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1685 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1688 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1690 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1693 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1695 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1696 soft register, use ror instead of rol.
1698 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1700 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1701 into account pre/post increment decrement for 68HC12.
1702 Fix other problems in replacement and fix call to reg_mentioned_p.
1704 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1706 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1707 Put the soft registers in bss for 68HC12.
1708 (L_regs_d3_4): New for _.d3 and _.d4.
1709 (L_regs_d5_6): Likewise.
1710 (L_regs_d1_2): Likewise.
1711 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1713 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1715 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1716 to the pre-processor when -fshort-double is specified.
1717 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1719 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1721 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1722 (__mulsi3): Rewrite for 68HC12.
1723 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1724 Mark 'x' constraint with earlyclobber to prevent a
1725 RELOAD_FOR_OTHER_ADDRESS to go in it.
1726 (mulhi3_m68hc12): New pattern.
1727 (mulhi3_m68hc11): Rename of mulhi3.
1728 (mulhi3): New expand for 68HC12 optimisation.
1729 (umulhisi3, mulhisi3): New patterns for 68HC12.
1731 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1733 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1734 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1735 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1737 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1739 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1740 constants cheap after reload.
1741 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1743 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1744 so that gcc prefers a shift by 16.
1745 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1747 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1749 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1751 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1753 * alpha.h: NULL_PTR -> NULL.
1760 * i386.md: Likewise.
1763 * m68hc11.h: Likewise.
1764 * rs6000.h: Likewise.
1767 * sparc.h: Likewise.
1771 * final.c: Likewise.
1773 * recog.c: Likewise.
1775 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1777 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1778 `bool' parameter to `int'.
1780 * hash.c (hash_lookup): Likewise.
1782 * hash.h (hash_lookup): Likewise.
1784 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1786 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1788 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1790 2001-05-03 Geoff Keating <geoffk@redhat.com>
1792 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1793 -malign-loops, -malign-functions.
1794 * i386.c (ix86_align_funcs): Delete.
1795 (ix86_align_loops): Delete.
1796 (ix86_align_jumps): Delete.
1797 (override_options): Mark -malign-* as obsolete. Emulate their
1798 behaviour with the -falign-* options. Default -falign-* from
1799 the processor table.
1800 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1801 patch of Wed May 2 13:09:36 2001.
1802 (LOOP_ALIGN): Delete.
1803 (LOOP_ALIGN_MAX_SKIP): Delete.
1804 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1805 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1807 2001-05-04 Andreas Jaeger <aj@suse.de>
1809 * except.h: Add prototype declaration for
1810 expand_builtin_init_dwarf_reg_sizes.
1812 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1814 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1816 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1818 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1820 ("bitcmpqi2"): New pattern for bit-extract and test.
1821 ("bitcmphi"): New pattern for bitb/bita instructions.
1823 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1825 * gccbug.in: Use a temporary directory when the mktemp command is
1828 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1830 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1832 (INITIALIZE_TRAMPOLINE): Call it.
1833 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1834 (TRAMPOLINE_TEMPLATE): Remove.
1835 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1836 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1839 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1841 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1842 and crtendS.o with PIC.
1844 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1846 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1848 (___subdi3, ___adddi3): Use x instead of y as index register.
1849 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1850 (__memset, __memcpy): Likewise.
1851 (regs): Put the soft registers in bss for 68HC12.
1852 (abort): Use trap to abort for 68hc12.
1853 (__mulhi3, __mulhi32): Use emul for 68hc12.
1854 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1856 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1858 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1859 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1860 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1861 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1862 Set 68HC12 min offset to -65536.
1863 (print_operand): Put parenthesis arround the operand if it refers
1864 to a symbol having the same name as a register.
1865 (m68hc11_z_replacement): When z register is replaced by its
1866 equivalent soft register, force the insn to be re-recognized.
1867 (m68hc11_check_z_replacement): Fix the test when destination is
1868 the index register and z dies in the insn.
1869 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1871 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1873 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1874 costs according to processor variant.
1875 (m68hc11_shift_cost): New function to compute shift costs.
1876 (m68hc11_rtx_costs): Define costs according to processor variant.
1877 (m6811_cost): Costs for 68HC11.
1878 (m6812_cost): Costs for 68HC12.
1879 (COSTS_N_INSNS): Remove.
1881 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1882 (DEFAULT_RTX_COSTS): Remove.
1883 (CONST_COSTS): Define costs according to OUTER_CODE.
1884 (processor_costs): New struct to define costs.
1885 (m68hc11_cost): Pointer to current costs.
1887 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1889 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1890 and use m68hc11_notice_keep_cc when using leax/leay.
1891 (addhi3 split): Reject split if the insn is handled by
1893 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1894 push must be handled in a special way if the source operand uses
1895 sp as index register.
1896 (m68hc11_notice_keep_cc): New function.
1897 (m68hc11_gen_movhi): Use it when an insn changes a register but
1899 (m68hc11_gen_movqi): Fix move for 68HC12.
1900 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1902 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1904 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1905 and don't pass operands[0] to emit_library_call_value.
1907 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1909 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1910 (zero_extendsi split): Simplify and use (zero_extendhi).
1911 (*addhi3): Remove 'w' constraint since stack pointer is handled
1913 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1914 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1915 (*ashrhi3_const): Fix shift by 7.
1916 (*lshrsi3_const16): Fix template.
1917 (call, call_value): Fix constraint and predicate.
1919 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1921 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1922 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1923 (CC_REGNUM): Likewise.
1924 (*unnamed splits): Use above constants instead of hard coded numbers.
1925 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1926 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1927 (*return_16bit, *unnamed peepholes): Likewise.
1929 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1931 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1932 rs6000/rs6000.h twice.
1934 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1936 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1937 (CPP_SPEC): Conditionally define MSDOS and GO32.
1938 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1939 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1941 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1943 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1945 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1947 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1949 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1950 * integrate.c (expand_inline_function): Use xcalloc to allocate
1952 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1955 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1957 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1960 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1962 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1963 linker if -mrelax is given.
1964 (TARGET_SWITCHES): Document -mrelax.
1966 Re-installed 2001-01-09's patch:
1967 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1968 if it's wider than long and the target's long is wider than the
1971 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1973 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1974 directly include rs6000/rs6000.h. Instead do it in tm.h.
1976 2001-05-02 Stan Shebs <shebs@apple.com>
1978 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1979 NSConstantString for NeXT-style runtimes.
1980 (STRING_OBJECT_GLOBAL_NAME): New macro.
1981 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1982 OCTI_STRING_CLASS_DECL.
1983 (constant_string_global_id): New macro.
1984 (string_class_decl): Ditto.
1985 (setup_string_decl): New function.
1986 (build_objc_string_object): Use it to build a NeXT runtime
1987 compatible string initializer.
1989 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1991 * tradcpp.c (do_define): Make sure we don't walk past limit.
1993 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1995 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1996 offsets if not REG_OK_STRICT.
1998 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1999 (INT_REG_OK_FOR_INDEX_P): Likewise.
2000 (INT_REG_OK_FOR_BASE_P): Likewise.
2001 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
2002 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
2003 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
2004 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
2005 REG_OK_FOR_BASE_P. Take an additional parameter.
2006 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
2007 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
2008 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
2009 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
2010 rs6000_legitimate_address() and use it.
2011 * config/rs6000/rs6000.c: Update all callers.
2012 (rs6000_legitimate_address): New function.
2014 2001-05-02 David Edelsohn <edelsohn@gnu.org>
2016 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
2017 special_constant conditional blocks together.
2019 2001-05-02 Dale Johannesen <dalej@apple.com>
2021 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
2023 (STRICT_ARGUMENT_NAMING): Define.
2024 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
2025 function_arg_partial_nregs, setup_incoming_varargs): Remove
2026 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
2029 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2031 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
2033 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
2036 * expr.c (store_field): Do nothing except elaborate side-effects if
2039 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2041 * c-lex.c: NULL_PTR -> NULL.
2043 * emit-rtl.c: Likewise.
2045 * genpeep.c: Likewise.
2047 * mips-tdump.c: Likewise.
2048 * reload1.c: Likewise.
2049 * rtlanal.c: Likewise.
2051 * stor-layout.c: Likewise.
2052 * toplev.c: Likewise.
2054 2001-05-01 Per Bothner <per@bothner.com>
2056 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
2057 call do_pending_stack_adjust before emiting label.
2059 2001-05-01 Mark Mitchell <mark@codesourcery.com>
2061 * extend.texi: Fix typo.
2063 2001-05-01 Stan Shebs <shebs@apple.com>
2065 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
2066 of UOBJC_MODULES_decl.
2067 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
2068 (generate_descriptor_table): Ditto.
2069 (generate_protocols): Ditto.
2070 (generate_protocol_list): Ditto.
2071 (generate_classref_translation_entry): Ditto.
2073 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
2075 * invoke.texi (Optimize Options): Add documentation for `--param
2076 max-delay-slot-insn-search' and `--param
2077 max-delay-slot-live-search' and reorder --param section.
2078 * params.def: Modify initial comment.
2079 * params.h (param_info): Add `help' member.
2080 * toplev.c (lang_independent_params): Include `help' description.
2081 (display_help): Print --param parameters.
2083 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2085 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
2086 Remove references to deleted files.
2087 (*-*-openbsd): No need to override xmake_file.
2088 (*-*-sysv4): Treat like *-*-sysv.
2090 * configure.in: Probe for ldopen in various places, and set up
2091 collect2 to be linked with them if found.
2092 Don't dink with Windows registry stuff unless $host_os is a
2093 Win32 os name. Check to see if we need -ladvapi32.
2094 * configure: Regenerate.
2096 * Makefile: Get rid of CLIB and HOST_CLIB.
2097 Substitute in COLLECT2_LIBS and link collect2 against its contents.
2098 * build-make: Get rid of HOST_CLIB.
2100 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2101 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2102 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2103 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2104 config/rs6000/x-rs6000: Delete.
2106 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2109 24 x-host fragments remain, 0 x-cpu, 3 top level.
2111 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2113 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2114 * configure: Regenerate.
2116 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2118 * Makefile.in (install-headers): Remove redundant dependency.
2120 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2122 * c-tree.texi (USING_STMT): Document.
2124 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2126 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2127 * c-common.c: Likewise.
2128 * c-decl.c: Likewise.
2129 * combine.c: Likewise.
2130 * rs6000.c: Likewise.
2131 * except.c: Likewise.
2132 * explow.c: Likewise.
2134 * fold-const.c: Likewise.
2135 * function.c: Likewise.
2138 * integrate.c: Likewise.
2140 * objc/objc-act.c: Likewise.
2141 * recog.c: Likewise.
2142 * reg-stack.c: Likewise.
2143 * reload.c: Likewise.
2144 * reload1.c: Likewise.
2145 * simplify-rtx.c: Likewise.
2147 * varasm.c: Likewise.
2149 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2151 * diagnostic.def: New file.
2152 * diagnostic.h (diagnostic_t): New enum.
2153 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2155 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2157 * tsystem.h: Test only POSIX for availability of string.h
2159 * config.gcc (all systems): If USG appeared in xm_defines,
2160 change it to POSIX. If both USG and POSIX appeared, just
2161 delete USG. Remove unnecessary quotes around xm_defines
2163 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2164 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2165 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2166 powerpc-*-linux*): No need to set xm_defines - handled by
2167 global settings for *-*-linux*.
2169 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2171 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2172 Always include gstab.h, not system stab.h. Don't provide
2173 default definitions of N_CATCH or N_OPT. Always use the
2174 gstab.h variant of STAB_CODE_TYPE.
2175 * final.c: Don't include stab.h/gstab.h at all, or provide
2176 defaults for N_SLINE and N_SOL.
2178 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2179 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2181 * sdbout.c: Always include gsyms.h instead of system syms.h.
2183 * configure.in: No need to check for stab.h.
2184 * configure, config.in: Regenerate.
2185 * Makefile.in (final.o): Don't depend on gstab.h.
2187 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2188 Richard Henderson <rth@redhat.com>
2190 * extend.texi: Improve documentation of volatile asms.
2192 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2194 * c-tree.texi: Fix thinko.
2195 * gcc.texi: Likewise.
2197 2001-04-30 Richard Henderson <rth@redhat.com>
2199 * c-common.c (c_promoting_integer_type_p): New function, from the
2200 corpse of old macro. Properly promote too-small enumerations and
2201 booleans. Adjust all callers.
2202 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2203 (c_promoting_integer_type_p): Declare.
2204 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2205 * c-typeck.c: Likewise.
2206 (default_conversion): Remove now redundant boolean check.
2208 2001-04-30 Jan Hubicka <jh@suse.cz>
2209 Richard Henderson <rth@redhat.com>
2211 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2213 (combine_stack_adjustments_for_block): Don't combine stack
2214 allocation followed by deallocations. Handle grow-up stacks.
2216 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2218 * fdl.texi: New file.
2219 * c-tree.texi: Use the GFDL.
2220 * gcc.texi: Likewise.
2222 2001-04-30 Stan Shebs <shebs@apple.com>
2224 * invoke.texi: Add a section documenting Objective-C options.
2226 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2228 * emit-rtl.c (try_split): Copy EH notes to sequence.
2230 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2232 * regmove.c (record_stack_memrefs): Catch all references to the
2235 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2237 * Makefile.in (stmp-fixinc): quote shell assignment values
2239 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2241 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2245 * prefix.c: Likewise.
2247 2001-04-28 Stan Shebs <shebs@apple.com>
2249 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2250 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2251 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2252 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2254 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2255 (NEXT_OBJC_RUNTIME): Define.
2257 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2259 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2260 * simplify-rtx.c (simplify_gen_relational): Likewise.
2262 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2264 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2265 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2267 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2268 registers in SSE case; fix handling of the immediates.
2269 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2270 operands to be in regsiters before reload.
2271 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2272 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2273 (abstf,absxf,negtf,negxf splitters): Compute
2274 properly the regnum for x86_64.
2275 (avsdf2_if_rex64): New.
2277 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2279 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2280 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2281 into the constant pool.
2282 * jump.c (jump_optimize_1): Remove barrier successors after all
2283 the LABEL_NUSES counds have been computed.
2284 (delete_barrier_successors): When deleting a tablejump insn, also
2285 delete the jump table it uses.
2286 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2289 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2291 * pa.c (FRP): Remove erroneous white space in macro definition.
2293 2001-04-28 Andreas Jaeger <aj@suse.de>
2295 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2297 * extend.texi: Likewise.
2298 * tm.texi: Likewise.
2300 2001-04-28 Andreas Jaeger <aj@suse.de>
2302 * md.texi: Use XX-bit instead of XXbit or XX bit where
2305 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2307 * gcc.c (process_command): Allow -l lib in addition to -llib
2308 for POSIX compliance. This fixes PR c/2347.
2310 * invoke.texi: Update section on Link Options accordingly.
2312 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2314 * function.c (purge_addressof_1): Remove the duplicate
2315 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2318 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2320 * except.c (expand_eh_region_start): Don't start a new block.
2321 (expand_eh_region_end): Don't end a block.
2322 * stmt.c (expand_end_bindings): Don't end EH blocks.
2323 (expand_decl_cleanup): Starting an EH region won't change the block.
2324 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2325 (is_eh_region): Lose.
2328 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2330 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2332 * collect2.c (main): Add `-L' case to remove duplicate entries.
2333 (is_in_args): New function to check for a duplicate argument.
2334 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2335 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2336 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2337 Define to be nonzero.
2339 2001-04-27 Andreas Jaeger <aj@suse.de>
2340 Richard Henderson <rth@redhat.com>
2342 * md.texi (Machine Constraints): Document additional i386
2343 constraints and fix description of "A".
2345 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2347 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2349 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2351 * except.c (get_exception_filter): word_mode, not Pmode.
2353 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2355 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2356 common to other movsf patterns. Move up so that in future
2357 people who change the other patterns will change it too.
2358 (movsf_lo_sum): Allow even for soft-float; add appropriate
2360 (movsf_high): Likewise.
2361 (movsf_high+1): Allow even for soft-float.
2363 * function.c (expand_function_end): Always clobber the
2364 return registers, even if there is no return label.
2366 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2368 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2370 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2372 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2373 (pushqi2_rex64, pushhi2_rex64): Add.
2375 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2377 * except.c (expand_eh_region_end_cleanup): Force pending stack
2378 adjust before emitting label that branches around cleanup code.
2380 2001-04-26 H.J. Lu (hjl@gnu.org)
2382 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2384 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2386 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2387 (ASM_OUTPUT_SECTION_NAME): Likewise.
2388 (ASM_WEAKEN_LABEL): Likewise.
2389 (UNIQUE_SECTION): Likewise.
2390 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2391 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2392 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2393 (ASM_OUTPUT_SECTION_NAME): Likewise.
2394 (ASM_WEAKEN_LABEL): Likewise.
2395 (UNIQUE_SECTION): Likewise.
2396 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2397 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2398 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2399 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2400 (ASM_FILE_START): Likewise.
2401 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2402 (ASM_DECLARE_OBJECT_NAME): Likewise.
2403 (ASM_FILE_END): Likewise.
2404 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2405 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2406 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2407 (ASM_OUTPUT_CASE_LABEL): Likewise.
2408 (ASM_OUTPUT_SKIP): Likewise.
2409 (ASM_OUTPUT_ASCII): Likewise.
2410 (ASM_OUTPUT_IDENT): Likewise.
2411 (READONLY_DATA_SECTION): Likewise.
2412 (EXTRA_SECTIONS): Likewise.
2413 (EXTRA_SECTION_FUNCTIONS): Likewise.
2414 (SELECT_RTX_SECTION): Likewise.
2415 (SELECT_SECTION): Likewise.
2417 * config/mips/linux.h (INVOKE__main): Undefine.
2418 (CTOR_LIST_BEGIN): Likewise.
2419 (CTOR_LIST_END): Likewise.
2420 (DTOR_LIST_BEGIN): Likewise.
2421 (DTOR_LIST_END): Likewise.
2422 (SET_ASM_OP): Defined it to ".dummy".
2423 (ASM_OUTPUT_DEF): Defined.
2424 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2426 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2428 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2429 assembler supports .p2align.
2431 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2433 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2435 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2437 * integrate.c (expand_inline_function): Check for error_mark_node
2440 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2442 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2445 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2447 * configure.in (configargs.h): Define thread_model.
2448 * configure: Rebuilt.
2449 * gcc.c (main): Print it with -v.
2451 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2453 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2454 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2455 * gcc.1: Regenerate.
2457 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2459 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2460 is_redundant_typedef): Use static inline instead of inline static.
2462 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2464 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2465 this directory is always searched.
2467 2001-04-25 Richard Henderson <rth@redhat.com>
2469 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2470 of registers to restore along non eh_return path.
2472 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2474 * c-format.c (check_format_info_recurse): Handle
2475 PLUS_EXPR for format string.
2477 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2479 * config/ia64/ia64.h (CC1_SPEC): Define.
2480 * config/ia64/linux.h (CC1_SPEC): Define.
2482 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2484 * emit-rtl.c (constant_subword): Also do sign extension in
2485 BITS_PER_WORD == 16 case.
2487 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2489 * loop.c (try_swap_copy_prop): Go back to checking insn.
2491 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2493 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2494 if check_mode is non-zero.
2496 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2498 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2499 out and comparison sequence has been detected, put result into
2500 proper temporary pseudo.
2502 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2504 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2505 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2506 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2507 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2508 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2509 for future reference.
2511 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2513 * except.c (reachable_handlers): Step out one level from a RESX.
2515 * except.c (struct eh_region): Rename 'last' to 'resume'.
2516 (mark_eh_region, duplicate_eh_region_1): Adjust.
2517 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2518 (build_post_landing_pads): Likewise.
2519 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2520 (expand_eh_region_end_must_not_throw): Likewise.
2521 (connect_post_landing_pads): Thread (only) regions with non-deleted
2524 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2525 registers around the cleanup.
2526 (get_exception_filter): New fn.
2527 (finish_eh_generation): Use it.
2529 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2531 * c-semantics.c (add_scope_stmt): Don't call
2532 current_scope_stmt_stack multiple times.
2534 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2535 Nathan Sidwell <nathan@codesourcery.com>
2537 Lazy __FUNCTION__ generation.
2538 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2539 RID_C99_FUNCTION_NAME): New _RIDs.
2540 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2541 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2542 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2544 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2545 (c99_function_name_decl_node, function_name_decl_node,
2546 pretty_function_name_decl_node, saved_function_name_decls):
2548 (struct language_function): Remove x_function_name_declared_p.
2549 (make_fname_decl): Remove a parameter.
2550 (declare_function_names): Remove prototype.
2551 (start_fname_decls, finish_fname_decls): Prototype.
2552 (fname_as_string): Likewise.
2553 (fname_string, fname_decl): Likewise.
2554 * c-common.c (make_fname_decl): Adjust.
2555 (struct fname_var_t): New struct.
2556 (fname_vars): New static array.
2557 (declare_function_name): Remove.
2558 (start_fname_decls, finish_fname_decls): New functions.
2559 (fname_as_string): New function from remnants of
2560 declare_function_name.
2561 (fname_string, fname_decl): New functions.
2563 * c-decl.c (c_function_name_declared_p): Remove.
2564 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2565 don't call declare_function_name. Call start_fname_decls.
2566 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2567 clobber the line number. Call finish_decl.
2568 (start_function): Call start_fname_decls.
2569 (finish_function): Call finish_fname_decls.
2570 Remove c_function_name_declared_p.
2571 (push_c_function_context): Don't push c_function_name_declared_p.
2572 (pop_c_function_context): Don't pop c_function_name_declared_p.
2573 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2574 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2575 (program): Call finish_fname_decls for C.
2576 (primary): Add VAR_FUNC_NAME.
2577 (reswords): Add slots for __FUNCTION__ et al.
2578 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2579 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2580 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2581 * c-semantics.c (prune_unused_decls): Remove.
2582 (finish_stmt_tree): Don't call prune_unused_decls.
2583 (genrtl_decl_stmt): Don't prune unused decls here.
2585 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2587 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2588 constant pool, use the pool's SYMBOL_REF instead.
2590 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2593 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2595 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2596 passing nested NOP_EXPRs to fold.
2598 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2600 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2602 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2604 * loop.c (loop_delete_insns): Add prototype.
2606 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2608 * configure.in: Remove ENABLE_STD_NAMESPACE.
2609 * config.in: Regenerated.
2610 * configure: Regenerated.
2612 2001-04-22 Stan Shebs <shebs@apple.com>
2614 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2616 * config/rs6000/xm-darwin.h: Remove file.
2618 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2620 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2621 (write_c_file_stat): Likewise.
2623 * dbxout.c (dbxout_init): Likewise.
2625 * profile.c (output_func_start_profiler): Likewise.
2627 2001-04-22 Philipp Thomas <pthomas@suse.de>
2629 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2630 require it instead of the CVS version.
2631 * cpperror.c (v_message): Put a blank before the macro
2632 body to not confuse exgettext.
2634 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2636 * flow.c (proagate_one_insn): Remove useless assignment.
2637 * jump.c (delete_insn): Tidy.
2638 * loop.c (try_copy_prop): When deleting an instruction with a
2639 REG_RETVAL note, delete the entire libcall sequence.
2640 (loop_delete_insns): New function.
2641 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2642 we're not substituting into them yet.
2644 2001-04-21 Kazu Hirata <kazu@hxi.com>
2646 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2648 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2650 * config/i960/i960.c (signed_arith_operand): Likewise.
2652 * calls.c (expand_call): Fix a comment typo.
2654 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2656 * configure.in: Probe for times, clock, struct tms, and clock_t.
2657 * configure, config.in: Regenerate.
2658 * timevar.c: Replace ifdef forest in get_time with (relatively)
2659 straightforward series of checks based on autoconf's probes.
2661 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2663 * config/pa/som.h (NM_FLAGS): Define.
2665 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2667 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2669 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2670 * ia64.c (nop_cycles_until): New function.
2671 (prev_cycle, prev_first, last_issued): New static variables.
2672 (ia64_sched_reorder): Additional arg for clock.
2673 On final scheduling pass, emit extra NOPs as needed.
2674 Set prev_first and prev_cycle.
2675 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2676 (ia64_variable_issue): Set last_issued.
2678 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2680 * config/i386/i386.c (ix86_expand_int_movcc,
2681 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2683 2001-04-20 Geoff Keating <geoffk@redhat.com>
2685 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2686 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2687 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2688 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2689 ctrdi_internal6): In the short-branch case, this insn is only 4
2690 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2692 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2694 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2695 "=u" is used together with "st" resp. "st(1)" clobber.
2697 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2699 * gcse.c (gcse_main): Fix comment typo.
2700 (delete_null_pointer_check): Likewise.
2701 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2702 * cse.c (cse_insn): Likewise.
2703 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2706 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2708 * toplev.c: Excise all code for the undocumented -dm option.
2709 (float_signal): Call signal just once, unconditionally.
2711 2001-04-19 Geoff Keating <geoffk@redhat.com>
2713 * fold-const.c (fold): Use first_rtl_op rather than
2714 TREE_CODE_LENGTH when looping over parameters of a tree.
2715 Correct strange grouping in test for evaluated SAVE_EXPR.
2717 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2719 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2720 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2722 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2723 name at 32 total characters.
2724 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2725 functions in named sections -- data items can still go into unique
2726 sections, but they have normal names (ie $LIT$ and $DATA$).
2728 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2731 2001-04-19 DJ Delorie <dj@redhat.com>
2733 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2734 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2735 * config/i386/cygwin.h: Likewise.
2736 * config/i386/mingw32.h: Likewise.
2737 * config/vax/vms.h: Likewise.
2738 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2740 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2741 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2742 * config/i386/xm-cygwin.h: Likewise.
2743 * config/i386/xm-djgpp.h: Likewise.
2744 * config/i386/xm-mingw32.h: Likewise.
2745 * config/vax/xm-vms.h: Likewise.
2747 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2748 instead of OBJECT_SUFFIX.
2749 * collect2.c (find_a_file): Look for files matching the extension
2750 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2751 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2752 TARGET_EXECUTABLE_SUFFIX.
2753 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2754 (make_relative_prefix): Likewise.
2755 (convert_filename): Use TARGET_ suffixes throughout. Remove
2757 (process_command): Likewise.
2758 (do_spec_1): Likewise.
2759 * java/lang.c (init_parse): Likewise.
2761 * gcc.texi : Document four new options matching the pattern
2762 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2763 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2764 documentation for NO_AUTO_EXE_SUFFIX.
2766 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2768 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2769 that language-independent processing should not be done.
2770 * toplev.c (main): Adjust accordingly.
2772 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2773 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2775 * mips.md (reload_outputdi): Require that operand0 be a
2778 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2780 * invoke.texi (-Wshadow): Clarify.
2782 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2784 * loop.c (load_mems): Examine all the instructions in the loop
2785 before concluding that all jumps branch to the first instruction
2788 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2790 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2792 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2794 * cpp.texi (-Wwhite-space): Remove.
2795 (-Wall): -Wall does not imply -Wwhite-space.
2797 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2799 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2800 use it instead of blindly generating a .stabs.
2801 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2803 * xcoffout.c: Don't bother defining default for N_CATCH.
2804 (UNKNOWN_STAB): Use internal_error.
2805 (stab_to_sclass): Remove now-unnecessary aborts.
2806 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2808 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2810 * jump.c (mark_all_labels): Canonicalize the tail recursion
2811 label attached to CALL_PLACEHOLDER insns.
2813 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2815 * output.h (dump_flow_info, free_basic_block_vars,
2816 which_alternative): Delete redundant prototypes.
2818 * rtl.h (bss_section): Likewise.
2820 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2822 * dbxout.c (N_OPT): Define if not available from <stab.h>
2824 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2826 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2827 libraries and native K&R compilers.
2829 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2831 * c-typeck.c (convert_arguments): Don't check for width changes
2834 * invoke.texi (-Wtraditional): Update documentation.
2836 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2838 * toplev.c (output_lang_identify): Delete.
2839 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2840 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2841 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2842 after calling ASM_FILE_END.
2844 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2845 Instead, unconditionally emit an N_OPT stab with string equal
2846 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2848 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2850 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2851 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2852 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2853 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2854 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2855 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2856 config/i370/i370.h, config/i386/beos-elf.h,
2857 config/i386/osf1elf.h, config/i386/osfrose.h,
2858 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2859 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2860 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2861 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2862 config/mips/iris6.h, config/mips/osfrose.h,
2863 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2864 config/sparc/sp64-elf.h:
2865 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2866 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2868 * config/elfos.h, config/freebsd.h, config/linux.h,
2869 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2870 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2871 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2872 of ASM_FILE_START which merely emit a .version directive. Delete
2873 definitions of ASM_FILE_END which merely emit an .ident directive.
2875 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2876 ASM_IDENTIFY_GCC and move part of its logic into
2879 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2880 config/sparc/linux-aout.h: Don't emit .version directive in
2883 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2884 (output_file_start): Correct comment.
2886 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2887 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2889 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2890 * config/rs6000/aix.h: Correct comment.
2892 * config/i386/i386afe.h: Delete.
2893 * config.gcc: Remove references to i386afe.h.
2895 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2896 other macros deleted by this patch were undocumented.
2898 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2900 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2902 * pa.c (secondary_reload_class): SAR<->FP copies require a
2905 * install.texi (mips-mips-bsd): Update list of functions
2906 required to include memmove.
2907 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2908 used functions to include memmove.
2910 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2912 * i386.md (sqrtdf2): SFmode should be DFmode.
2914 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2916 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2917 (find_moveable_store): Likewise.
2919 2001-04-15 Jim Wilson <wilson@redhat.com>
2921 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2923 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2925 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2926 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2928 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2930 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2933 2001-04-14 Alan Modra <amodra@one.net.au>
2935 * pa.c (force_mode): New function.
2936 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2938 2001-04-13 Jim Wilson <wilson@redhat.com>
2940 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2941 (first_instruction): New static variable.
2942 (rtx_needs_barrier): Return 1 for alloc.
2943 (init_insn_group_barriers): Set first_instruction.
2944 (rws_sum): Delete duplicate definition.
2945 (group_barrier_needed_p): Return 0 when first_instruction true.
2946 (safe_group_barrier_needed_p): Save and restore first_instruction
2947 around group_barrier_needed_p call.
2949 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2951 * expr.h (enum libfunc_index): Add LTI_memmove.
2952 (memmove_libfunc): Define macro.
2953 * optabs.c (init_optabs): Initialize memmove_libfunc.
2954 * expr.c (expand_assignment): Use memmove_libfunc instead of
2957 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2959 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2962 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2964 * Makefile.in (reg-stack.o): Depend on reload.h.
2965 (insn-attrtab.o): Depend on flags.h.
2967 * genattrtab (main): Include flags.h in insn-attrtab.c.
2969 * reg-stack.c: Include reload.h.
2971 * sparc.h (flag_pic): Delete redundant declaration.
2973 * output.h (flag_pic): Likewise.
2975 * tree.h (pedantic): Likewise.
2977 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2979 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2981 * jump.c, regmove.c, toplev.c: Include reload.h.
2983 * reload.h (reload_cse_regs): Declare.
2985 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2986 reload_cse_regs, init_reload, mark_home_live, reload,
2987 init_caller_save): Delete redundant prototypes.
2989 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2991 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2993 * regclass.c, ssa.c: Include expr.h.
2995 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2996 gen_move_insn): Delete redundant declarations.
2998 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3000 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
3001 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
3002 MAKEINFO and MAKEINFOFLAGS too.
3003 (stage4_build): Correctly order -B flags.
3005 2001-04-13 Alan Modra <amodra@one.net.au>
3007 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
3008 PIC_OFFSET_TABLE_SAVE_RTX.
3009 (zdepi_cint_p): Describe zdepi insn.
3010 Formatting and white space fixes throughout file.
3012 * pa.c (uint32_operand): Don't use long constant >= 2^32.
3013 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
3014 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
3015 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
3016 (output_64bit_and): Use plain `int's for shift counts.
3017 (output_64bit_ior): Likewise.
3018 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
3019 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
3022 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
3023 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
3024 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
3025 NEW_HP_ASSEMBLER into one. Kill warnings.
3027 * pa-gas.h: Delete file.
3028 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
3029 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
3030 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
3031 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
3033 * config/pa/mill32.S: New file.
3034 * config/pa/mill64.S: New file.
3035 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
3036 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
3037 * config/pa/t-linux64: New file.
3038 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
3039 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
3040 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
3042 * elfos.h (SELECT_SECTION): Undef before defining.
3043 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
3044 (LIB_SPEC): Remove -lmilli.
3045 (DBX_REGISTER_NUMBER): Remove.
3046 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
3047 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
3048 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
3049 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
3050 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
3051 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
3052 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
3053 TARGET_GAS): Define.
3054 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
3055 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
3056 regs if we don't have a prototype.
3057 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
3058 * pa.h (TARGET_ELF32): Default to 0 if undefined.
3059 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
3060 EH_RETURN_HANDLER_RTX): Define.
3061 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
3062 (DWARF_FRAME_REGNUM): Define.
3063 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
3064 * pa32-linux.h: New file.
3065 * pa64-linux.h: New file.
3067 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
3068 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
3069 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
3070 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
3071 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
3072 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
3073 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
3074 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
3075 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
3076 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
3077 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3078 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
3079 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
3080 * pa64-hpux.h: New file.
3081 (ASM_FILE_START): Correct typo.
3082 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
3083 * config.gcc: Modify for above.
3085 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
3087 * jump.c (jump_optimize_1): Don't delete dead stores here.
3088 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
3089 prior to running jump optimize before cse2.
3091 2001-04-12 Richard Henderson <rth@redhat.com>
3093 * Makefile.in (regmove.o): Depend on except.h.
3094 * regmove.c: Include it.
3096 2001-04-12 Stan Shebs <shebs@apple.com>
3098 * objc/objc-act.c: Remove all code ifdefed with the never-used
3099 macro OBJC_INT_SELECTORS.
3100 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3101 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3103 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3105 * config/pa/quadlib.c: Add prototypes.
3107 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3109 * bitmap.h (debug_bitmap): Delete redundant prototype.
3111 * rtl.h (get_frame_size): Likewise.
3113 2001-04-12 Jim Wilson <wilson@redhat.com>
3115 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3116 to just emit an fnorm.
3118 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3120 * c-common.h (truthvalue_conversion, type_for_mode,
3121 type_for_size): Delete redundant declarations.
3123 * c-lex.h (is_class_name): Likewise.
3125 * c-tree.h (pedantic, convert, getdecls, gettags,
3126 global_bindings_p, init_decl_processing, insert_block,
3127 maybe_build_cleanup, poplevel, print_lang_decl,
3128 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3129 set_block, incomplete_type_error, build_function_call,
3130 lvalue_or_else, mark_addressable): Likewise.
3132 * expr.h (expand_tree_builtin): Likewise.
3134 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3136 * invoke.texi: Document --param max-gcse-memory.
3138 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3140 * configure.in (errno): Check for declaration.
3141 * configure, config.in: Regenerated.
3143 * system.h (errno): Only declare if not already done.
3145 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3147 * recog.c (general_operand, immediate_operand,
3148 nonmemory_operand): Require CONST_INTs to be sign-extended
3149 values for their modes.
3151 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3153 * expmed.c (store_bit_field): Truncate CONST_INTs.
3154 (expand_mult_highpart, expand_divmod): Likewise.
3155 * expr.c (convert_modes, store_field): Likewise.
3156 * integrate.c (expand_inline_function): Use promote_mode() to
3157 determine whether to convert_modes() an argument as signed
3159 * optabs.c (expand_binop): Get CONST_INT operands
3160 sign-extended for their appropriate modes.
3161 * stmt.c (emit_case_nodes): Convert node values to the
3163 (expand_end_case): Convert minval and range to the appropriate
3165 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3166 the iteration variable.
3167 * varasm.c (immed_double_const): Don't require words to be
3168 narrower than host wide ints to properly sign-extend
3171 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3173 * sh.md (builtin_setjmp_receiver): New expander.
3175 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3177 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3178 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3179 for generating CONST_INT and CONST_DOUBLE.
3181 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3183 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3184 already sign-extended.
3185 (rs6000_emit_prologue): Make register iterator signed.
3186 (rs6000_emit_epilogue): Likewise.
3187 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3189 (movsf split, movdf split): Sign-extend CONST_INTs.
3190 (movdi splits): Likewise.
3192 2001-04-12 Kelley Cook <kelley.cook@home.com>
3194 * config-lang.in (lang_dirs): Add in zlib.
3196 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3198 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3199 operands that make it to RTL.
3201 2001-04-11 Stan Shebs <shebs@apple.com>
3203 Add Darwin (Mac OS X kernel) native support.
3204 * config.gcc (powerpc-*-darwin*): Add native bits.
3205 * config/darwin.c: New file, generic Darwin support functions.
3206 * config/darwin.h: New file, generic Darwin definitions.
3207 * config/darwin-protos.h: New file, generic Darwin prototypes.
3208 * rs6000/darwin.h: New file, Darwin for PowerPC.
3209 * rs6000/t-darwin: New file, Darwin makefile fragment.
3210 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3211 (TARGET_MACHO): Ditto.
3212 (rs6000_abi): Add ABI_DARWIN.
3213 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3214 (RS6000_SAVE_AREA): Ditto.
3215 (FP_ARG_MAX_REG): Ditto.
3216 (RETURN_ADDRESS_OFFSET): Ditto.
3217 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3219 (rs6000_emit_move): Add ABI_DARWIN cases.
3220 (print_operand): Ditto.
3221 (first_reg_to_save): Ditto.
3222 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3223 (debug_stack_info): Ditto.
3224 (rs6000_emit_prologue): Ditto.
3225 (rs6000_emit_epilogue): Ditto.
3226 (output_profiler_hook): Ditto.
3227 (output_function_profiler): Ditto.
3228 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3229 (output_mi_thunk): Add TARGET_MACHO case.
3230 (add_compiler_stub): Ditto.
3231 (output_compiler_stub): Ditto.
3232 (no_previous_def): Ditto.
3233 (output_call): Ditto.
3234 (machopic_output_stub): Ditto.
3235 (rs6000_machopic_legitimize_pic_address): Ditto.
3236 (toc_section): Ditto.
3237 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3238 (macho_high): Ditto.
3241 (load_macho_picbase): Ditto.
3242 (call): Add TARGET_MACHO case to modify function.
3243 (call_value): Ditto.
3244 (call_nonlocal_sysv): Add ABI_DARWIN case.
3245 (call_value_nonlocal_sysv): Ditto.
3246 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3248 (machopic_output_stub): Ditto.
3249 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3251 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3253 * dwarf2out.c (modified_type_die): Don't create new types here.
3254 * tree.h (get_qualified_type): New function.
3255 (build_qualified_type): Adjust comment.
3256 * tree.c (get_qualified_type): New function.
3257 (build_qualified_type): Use it.
3259 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3261 * cpp.texi (-Wtraditional): Update description.
3263 * invoke.texi (-Wtraditional): Likewise.
3265 2001-04-11 Jim Wilson <wilson@redhat.com>
3267 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3268 requires more than 64 bits of alignment.
3270 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3272 * cpplib.c (do_line): Sanity check iff enable checking.
3274 2001-04-11 Richard Henderson <rth@redhat.com>
3276 * Makefile.in (insn-recog.o): Depend on toplev.h.
3277 (insn-emit.o, doloop.o): Likewise.
3278 * genrecog.c, genemit.c: Include toplev.h in generated file.
3279 * doloop.c: Include toplev.h.
3281 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3283 * Makefile.in (gcse.o): Depend on params.h.
3284 * gcse.c: Include params.h.
3285 (gcse_main): Don't do GCSE if doing so will take inordinate
3287 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3288 * params.h (MAX_GCSE_MEMORY): New macro.
3290 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3292 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3294 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3296 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3298 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3300 * real.h (ereal_atof, real_value_truncate, target_isnan,
3301 target_isinf, target_negative, assemble_real, debug_real): Delete
3302 redundant prototypes.
3304 * Makefile.in (ifcvt.o): Depend on toplev.h.
3306 * c-semantics.c: Include expr.h.
3308 * ifcvt.c: Include toplev.h.
3310 * expr.h (rtx_equal_p): Delete prototype.
3312 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3313 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3314 eliminate_constant_term, expand_complex_abs, find_single_use,
3315 make_tree, init_expr_once, init_optabs, supports_one_only):
3318 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3319 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3320 expand_assignment, store_expr, emit_line_note_after,
3321 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3323 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3325 * sparc-protos.h: Delete redundant prototypes.
3327 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3329 * reload.c (push_reload): Add condition missed in SUBREG byte
3332 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3334 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3336 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3338 * i386.md (floatsisf_sse): Fix output template
3339 * i386.c (ix86_expand_fp_movcc)
3341 * reg-stack.c (emit_pop_insn): Handle complex modes.
3342 (move_for_stack_reg): Emit proper move mode.
3343 (subst_stack_regs_pat): Handle complex modes.
3345 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3347 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3349 2001-04-10 Richard Henderson <rth@redhat.com>
3351 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3352 (__pure_virtual, __terminate, __terminate_set_func,
3353 __default_terminate, __throw_type_match, __empty,
3354 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3355 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3356 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3357 Remove prototypes of deleted functions.
3359 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3361 * c-typeck.c (convert_arguments): -Wtraditional now activates
3362 -Wconversion warnings, except for changes in signed-ness.
3363 Detect complex<->int & int<->complex conversions as well.
3365 * invoke.texi (-Wtraditional): Document it.
3367 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3369 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3370 * flow.c (set_block_for_new_insns): Remove needless cast and
3371 properly check for unset block number.
3373 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3375 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3376 the subreg was a hard register. Pseudos are left as subregs.
3378 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3380 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3381 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3382 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3383 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3384 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3386 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3388 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3390 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3392 * output.h (set_block_num): Missed it earlier, remove deprecated
3395 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3397 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3398 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3399 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3400 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3401 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3402 (expr_killed_p): Change bb parameter from int to basic_block, pass
3403 basic_blocks instead of ints as parameters.
3404 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3405 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3406 from int to basic_block, pass basic_blocks instead of ints as parms.
3407 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3408 parameter from int to basic_block, pass basic_blocks instead of ints.
3409 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3410 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3411 pass basic_blocks instead of ints.
3412 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3413 basic_blocks instead of ints as parameters.
3414 (pre_delete): Pass basic_blocks instead of ints as parameters.
3415 (hoist_expr_reaches_here_p): Change bb parameter from int to
3416 basic_block, pass basic_blocks instead of ints.
3417 (hoist_code): Pass basic_blocks instead of ints as parameters.
3418 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3419 Change bb parameter from int to basic_block.
3420 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3421 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3422 pass basic_blocks instead of ints.
3423 (insert_store): Pass basic_blocks instead of ints as parameters.
3424 (replace_store_insn, delete_store): Change bb parameter from int to
3425 basic_block, pass basic_blocks instead of ints.
3426 (store_motion): Pass basic_blocks instead of ints as parameters.
3428 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3430 * basic-block.h (set_new_block_for_insns): New Prototype.
3431 (set_block_num): Delete prototype.
3432 * flow.c (set_block_num): Remove obsolete function.
3433 (set_block_for_new_insns): Set BB for single or multiple insns.
3434 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3435 (process_insn_end_bb): Use set_block_for_new_insns or
3436 set_block_for_insn instead of set_block_num.
3437 (pre_insert_copy_insn): Use set_block_for_new_insns.
3438 (update_ld_motion_stores): Use set_block_for_new_insns.
3439 (insert_insn_start_bb): Use set_block_for_new_insns.
3440 (replace_store_insn): Use set_block_for_new_insns.
3442 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3443 Jeff Law <law@redhat.com>
3445 * alias.c (get_addr): Externalize.
3446 (canon_true_dependence): New function. Behaves like true_dependance
3447 except it already assumes a MEM has been canonicalized.
3448 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3449 * gcse.c (struct ls_expr): Add load/store expressions structure.
3450 (modify_mem_list, canon_modify_mem_list): New variable.
3451 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3452 load motion and store motion if requested.
3453 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3454 (free_gcse_mem): Free the modify_mem_list array.
3455 (oprs_unchanged_p): Use load_killed_in_block_p.
3456 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3457 (mems_conflict_for_gcse_p): New function. Don't kill loads
3458 with stores to themselves if its in the load/store expression list.
3459 (load_killed_in_block_p): New function.
3460 (canon_list_insert): New Function.
3461 (record_last_mem_set_info): Keep a list of all instructions which
3462 can modify memory for each basic block.
3463 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3464 (oprs_not_set_p): Use load_killed_in_block_p.
3465 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3466 (expr_killed_p): Use load_killed_in_block_p.
3467 (compute_transp): Do not pessimize memory references.
3468 (pre_edge_insert): Update stores for a load motion expression.
3469 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3470 (ldst_entry): Find or create a ldst_expr structure.
3471 (free_ldst_entry): Free memory for an individual item.
3472 (free_ldst_mems): Free entire load/store expression list.
3473 (print_ldst_list): Print debug info.
3474 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3475 (enumerate_ldsts): Assign integer values to each entry in list.
3476 (first_ls_expr): First expression in the list.
3477 (next_ls_expr): Next expression in the list.
3478 (simple_mem): Check if expression qualifies for ld/st expression list.
3479 (invalidate_any_buried_refs): Remove from expression list if its
3480 used in some other way we dont understand.
3481 (compute_ld_motion_mems): Find all potential enhanced load motion
3483 (trim_ld_motion_mems): Remove any expressions which are invalid.
3484 (update_ld_motion_stores): Copy store values to registers for loads
3485 which have been moved.
3486 (regvec, st_antloc, num_store): New global statics.
3487 (reg_set_info): Marks registers as set.
3488 (store_ops_ok): Verfies registers expressions are valid in a block.
3489 (find_moveable_store): Look for moveable stores in a pattern.
3490 (compute_store_table): Find stores in a function worth moving, maybe.
3491 (load_kills_store): Check dependance of a load and store.
3492 (find_loads): Find any loads in a pattern.
3493 (store_killed_in_insn): Check if a store is killed in an insn.
3494 (store_killed_after): Check is store killed after an insn in a block.
3495 (store_killed_before): Check is store killed before an insn in a block.
3496 (build_store_vectors): Generate the antic and avail vectors.
3497 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3498 (insert_store): Add a store to an edge.
3499 (replace_store_insn): Replace a store with a SET insn.
3500 (delete_store): Delete a store insn.
3501 (free_store_memory): Free memory.
3502 (store_motion): Perform store motion.
3503 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3504 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3505 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3506 (f_options): Add gcse-lm and gcse-sm.
3508 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3510 * i386.c (expand_fp_movcc): Fix condition reversal code.
3512 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3513 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3514 (CLASS_MAX_NREGS): Use it.
3516 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3517 handle properly complex values.
3518 (CLASS_MAX_NREGS): Likewise; update comment.
3520 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3522 * ia64.c (ia64_flag_schedule_insns2): New variable.
3523 (ia64_override_options): Initialize it. Clear
3524 flag_schedule_insns_after_reload.
3525 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3527 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3529 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3530 Do not require source to match destination anymore;
3531 Add abort to the nontrivial cases that should be handled by split.
3532 (fix_trunc?fdi): Add SSE case for x86_64.
3533 (floatdi?f): Likewise.
3534 (floatdi?f_sse): New.
3535 (fix_trunc?fdi_sse): New.
3537 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3539 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3540 (DEBUG_ARANGES_END_LABEL): Ditto.
3541 (dwarfout_init): Generate length and version fields at the start
3542 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3543 after the length field.
3544 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3545 the .debug_aranges info.
3547 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3549 * i386.c (call, call_value): Make sure that resulting call_insn
3550 does have proper second operand.
3552 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3554 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3555 function. Remove include of sys/cygwin.h.
3557 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3559 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3560 (CPP_SPEC): Always search */include/w32api for header files.
3561 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3562 (LINK_SPEC): Add "cyg" to the library search prefixes.
3564 2001-04-08 Philip Blundell <philb@gnu.org>
3566 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3568 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3570 * cpperror.c (print_location): Don't special case <stdin>.
3571 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3572 WARNING, but we don't check if we're in system headers.
3573 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3574 * cpplib.c (do_warning): Warn in system headers.
3576 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3578 * mbchar.c: Include config.h first.
3580 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3582 * config.gcc: Set default for xmake_file at top, not bottom.
3583 Change places that set xmake_file to "none" to set to the
3584 empty string instead, or remove them entirely if there is no
3585 default xmake_file for this cpu_type. Remove references to
3588 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3589 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3590 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3591 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3592 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3593 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3594 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3595 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3596 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3597 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3600 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3601 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3602 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3603 config/mips/x-sysv, config/rs6000/x-aix31:
3604 Just set CLIB to -lld or -lmld, as appropriate.
3606 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3607 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3608 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3609 config/mips/x-iris, config/pa/x-pa:
3610 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3611 OTHER_FIXINCLUDES_DIRS.
3613 * config/i386/x-djgpp: Don't set LN or LN_S.
3614 * config/m88k/x-dolph: Don't define __m88k__.
3615 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3616 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3617 * config/i860/fx2800.h: No need to #undef SVR4.
3619 38 x-host fragments remain, 2 x-cpu.
3621 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3623 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3625 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3627 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3629 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3631 * configure.in: Add check for lstat.
3632 * configure, config.in: Regenerate.
3633 * cppinit.c (append_include_chain): Make empty path ".".
3634 * cpplib.c (do_line): Don't simplify #line paths.
3635 * cppfiles.c (remove_component_p): New function.
3636 (find_or_create_entry): Acknowledge stat () errors during
3637 path simplification.
3638 (handle_missing_header): Don't simplify paths.
3639 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3640 the empty path untouched. Don't leave a trailing '/'.
3642 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3644 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3645 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3647 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3649 * cppfiles.c (open_file): Fail directories silently, but
3650 with an errno of NOENT set.
3651 (read_include_file): Move the common exit code to the sole
3652 caller. Return an int indicating success or failure. Let
3653 open_file handle directories.
3654 (stack_include_file): If read_include_file fails,
3655 push a "null" buffer.
3657 2001-04-05 DJ Delorie <dj@redhat.com>
3659 * function.h (virtuals_instantiated): Declare.
3660 * function.c: (virtuals_instantiated): Make global.
3661 * calls.c (emit_library_call_value_1): Use
3662 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3663 Otherwise, use the stack pointer directly.
3665 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3667 * i386.c (x86_initialize_trampoline): New global function.
3668 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3669 (INITIALIZE_TRAMPOLINE): Move offline.
3670 * i386-protos.h (x86_initialize_trampoline): Declare.
3672 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3674 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3675 (lea_0): Rename to lea_1.
3676 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3677 (lea_general_?): Allow SImodes on TARGET_64BIT
3678 (lea_general_?_zext): New patterns.
3679 (call_1, call_1_rex64): Fix.
3681 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3683 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3685 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3687 * i386.c (function_arg): Return constm1_rtx for last argument.
3688 (ix86_expand_prologue): Update gen_call calls.
3689 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3690 * i386.md (call_pop): Likewise.
3691 (call): Second operand is VOIDmode.
3692 (call_0): Likewise; Support 64bits.
3693 (call_exp): New expander.
3694 (call_1): Get to the sync.
3695 (call_1_exp): New pattern.
3696 (call_value): Support 64bit.
3697 (call_value_exp): New pattern.
3698 (untyped_call): Update gen_call call.
3699 (call_value_pop): Disable for 64bit.
3700 (call_value_0_rex64): New pattern.
3701 (call_value_1_rex64): Likewise.
3703 2001-04-05 Bo Thorsen <bo@suse.de>
3705 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3707 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3709 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3710 satisfies ANY_QI_REG_P.
3712 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3714 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3717 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3720 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3722 * config.gcc: Remove default for xm_file. Clean up local
3723 machine type handling. Remove settings of xm_file to
3724 something that doesn't exist. In the big switch, set xm_file,
3725 don't append to it (the value before the big switch is always
3726 null). Don't force build_xm_file or host_xm_file to have a value.
3727 * configure.in: Remove default for xm_file. Do not special
3728 case $cpu/xm-$cpu.h not existing.
3729 * configure: Regenerate.
3731 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3733 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3734 when folding integer division and modulo operations.
3736 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3738 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3739 instead of DWARF2_ADDR_SIZE for EH addresses.
3740 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3743 2001-04-04 Richard Henderson <rth@redhat.com>
3745 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3746 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3747 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3749 2001-04-04 Richard Henderson <rth@redhat.com>
3751 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3752 * configure: Rebuilt.
3754 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3756 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3757 push insns to delete to it instead of deleting them.
3758 (delete_null_pointer_checks): Delete insns from delete_list after
3759 all delete_null_pointer_checks_1 passes are done.
3761 2001-04-04 Richard Henderson <rth@redhat.com>
3763 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3764 * configure: Rebuilt.
3766 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3768 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3769 * config/romp/xm-romp.h: Delete.
3771 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3773 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3776 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3778 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3779 all labels present in rtx.
3780 (try_split) Call new function for all split insns.
3782 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3784 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3785 sure the change won't be validated.
3787 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3789 * rtl.h (set_noop_p): Declare.
3790 * flow.c (set_noop_p): Move from here ...
3791 * rtlanal.c (set_noop_p): ... to here and enhance.
3792 * cse.c (delete_trivially_dead_insns): Use it.
3793 * gcse.c (hash_scan_set): Likewise.
3794 * jump.c (delete_noop_moves): Likewise.
3795 * recog.c (split_all_insns): Likewise.
3797 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3799 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3800 stack pointer via a LO_SUM. Ditto for setting a temp register
3801 used to save to the stack. Set cfa_temp when setting fp, and
3802 allow matches to cfa_temp in addition to cfa_store when saving
3803 regs. Handle POST_INC and LO_SUM register stores. Document the
3804 changes and errors in rule 12 doco.
3806 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3807 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3808 (load_reg): Move closer to epilogue code.
3809 (DO_FRAME_NOTES): Define to control the following..
3810 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3811 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3813 (hppa_expand_epilogue): Likewise.
3815 2001-04-03 Richard Henderson <rth@redhat.com>
3817 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3818 * configure: Rebuild.
3820 2001-04-03 Richard Henderson <rth@redhat.com>
3822 * rtl.h (LCT_THROW): New.
3823 * calls.c (emit_library_call_value_1): Handle it.
3824 * except.c (connect_post_landing_pads): Use it.
3826 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3828 * gansidecl.h: Delete file.
3829 * configure.in: Change all refs to gansidecl.h to use
3830 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3832 * configure: Regenerate.
3834 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3835 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3836 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3837 Don't include gansidecl.h.
3838 * intl.c, main.c, version.c, fixinc/fixlib.h,
3839 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3842 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3844 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3847 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3849 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3850 config/i386/xm-next.h, config/i386/xm-sco.h,
3851 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3852 config/m88k/xm-m88k.h: Delete.
3854 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3855 * config/romp/xm-romp.h: Don't define bcopy.
3856 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3857 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3859 * config.gcc: Remove references to deleted files.
3861 14 xm-host.h remain, 1 xm-cpu.h.
3863 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3864 David S. Miller <davem@pierdol.cobaltmicro.com>
3865 Andrew MacLeod <amacleod@redhat.com>
3867 Use byte offsets in SUBREGs instead of words.
3869 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3870 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3871 to pass new argument.
3872 (add_stored_regs): Use subreg_regno_offset function.
3873 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3875 (precompute_arguments): Use gen_lowpart_SUBREG.
3876 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3877 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3878 (simplify_set): Rework to use SUBREG_BYTE.
3879 (expand_field_assignment): Use SUBREG_BYTE.
3880 (make_extraction): Use SUBREG_BYTE.
3881 (if_then_else_cond): Use SUBREG_BYTE.
3882 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3883 (gen_lowpart_for_combine): Compute full byte offset.
3884 * cse.c (mention_regs): Use SUBREG_BYTE.
3885 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3886 (canon_hash): Use SUBREG_BYTE.
3887 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3888 (gen_lowpart_if_possible): Formatting.
3889 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3891 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3892 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3893 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3894 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3895 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3896 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3897 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3898 certain invariants about SUBREGs the compiler creates.
3899 (gen_lowpart_SUBREG): New function.
3900 (subreg_hard_regno): New function to get the final register number.
3901 (gen_lowpart_common): Use SUBREG_BYTE.
3902 (gen_imagpart): Spacing nits.
3903 (subreg_realpart_p): Use SUBREG_BYTE.
3904 (gen_highpart): Use SUBREG_BYTE.
3905 (subreg_lowpart_p): Always compute endian corrected goal offset,
3906 even at the byte level, then compare against that.
3907 (constant_subword): New function, pulled out all constant cases
3908 from operand_subword and changed second argument name to offset.
3909 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3910 and call constant_subword to do the work. Return const0_rtx if
3911 looking for a word outside of OP.
3912 (operand_subword_force): Change second arg name to offset.
3913 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3914 (store_split_bit_field): Use SUBREG_BYTE.
3915 (extract_bit_field): Use SUBREG_BYTE.
3916 (extract_split_bit_field): Use SUBREG_BYTE.
3917 (expand_shift): Use SUBREG_BYTE.
3918 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3919 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3920 * flow.c (set_noop_p): Use SUBREG_BYTE.
3921 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3922 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3923 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3925 (optimize_bit_field): Use SUBREG_BYTE.
3926 (purge_addressof_1): Use SUBREG_BYTE.
3927 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3928 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3929 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3930 * gengenrtl.c (special_rtx): Add SUBREG.
3931 * global.c (mark_reg_store): Use SUBREG_BYTE.
3932 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3933 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3934 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3935 final byte offset is congruent to subreg's mode size.
3936 (subst_constants): Use SUBREG_BYTE.
3937 (mark_stores): Use subreg_regno_offset function.
3938 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3939 function and SUBREG_BYTE.
3940 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3941 (reg_is_born): Use subreg_hard_regno.
3942 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3943 endian correction code. Don't combine subregs unless resulting
3944 offset aligns with type. Fix subreg constant extraction for DImode.
3945 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3946 (general_operand): Remove dead mode_altering_drug code.
3947 (indirect_operand): Use SUBREG_BYTE.
3948 (constrain_operands): Use subreg_regno_offset function.
3949 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3950 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3951 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3952 * regs.h (REG_SIZE): Allow target to override.
3953 (REGMODE_NATURAL_SIZE): New macro which target can override.
3954 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3955 on the entire subreg rtx.
3956 (push_reload): Use SUBREG_BYTE in comments and code.
3957 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3958 for hard registers inside subregs.
3959 (operands_match_p): Use subreg_regno_offset.
3960 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3961 containing hard regs.
3962 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3963 corrections when fixing up MEM subregs.
3964 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3965 subreg_regno_offset where appropriate.
3966 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3967 byte endian corrections when fixing up MEM subregs.
3968 (subst_reloads): When combining two subregs, make sure final
3969 offset is congruent to subreg's mode size.
3970 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3971 (refers_to_regno_for_reload_p): Use subreg_regno.
3972 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3973 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3974 correction code for memory subreg fixups.
3975 (forget_old_reload_1): Use subreg_regno_offset.
3976 (choose_reload_regs): Use subreg_regno.
3977 (emit_input_reload_insns): Use SUBREG_BYTE.
3978 (reload_combine_note_store): Use subreg_regno_offset.
3979 (move2add_note_store): Use subreg_regno_offset.
3980 * resource.c (update_live_status, mark_referenced_resources): Use
3981 subreg_regno function.
3982 (mark_set_resources): Use subreg_regno function.
3983 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3984 (subreg_regno_offset, subreg_regno): Define prototypes.
3985 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3986 (gen_lowpart_SUBREG): Add prototype.
3987 * rtl.texi (subreg): Update to reflect new byte offset representation.
3988 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3989 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3990 (reg_overlap_mentioned_p): Use subreg_regno.
3991 (replace_regs); Make sure final offset of combined subreg is
3992 congruent to size of subreg's mode.
3993 (subreg_regno_offset): New function.
3994 (subreg_regno): New function.
3995 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3996 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3997 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3998 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3999 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
4000 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
4001 (a29k_get_reloaded_address): Use SUBREG_BYTE.
4002 (print_operand): Use SUBREG_BYTE.
4003 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
4004 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
4005 (arm_reload_out_hi): Use SUBREG_BYTE.
4006 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
4007 instead of SUBREG_WORD.
4008 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
4009 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
4010 SUBREG creation to use byte offset.
4011 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
4012 inverted load insns): Fix explicit rtl subregs to use byte
4014 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
4015 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
4016 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
4017 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
4018 to use byte offsets.
4019 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
4020 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
4021 offsets, also make sure it is congruent to SUBREG's mode size.
4022 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
4023 unnamed ldob insn): Generate SUBREGs with byte offset.
4024 (zero_extendqihi2): SUBREG's are byte offsets.
4025 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
4026 (m68hc11_gen_highpart): Use SUBREG_BYTE.
4027 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
4028 zero-extendqisi2): Generate SUBREGs with byte offset.
4029 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
4030 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
4031 subregs in rtl to use byte offsets.
4032 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
4033 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
4034 (mips_move_2words): Use subreg_regno_offset.
4035 (mips_secondary_reload_class): Use subreg_regno_offset.
4036 * config/mips/mips.md (DImode plus, minus, move, and logical op
4037 splits): Fixup explicit subregs in rtl to use byte offsets.
4038 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
4039 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
4040 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
4041 rtl to use byte offsets.
4042 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
4043 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
4044 subregs to use byte offsets.
4045 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
4046 Fixup explicit subregs in rtl to use byte offsets.
4047 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
4048 and remove byte endian correction code.
4049 * config/sh/sh.c (output_movedouble): Use subreg_regno.
4050 (gen_ashift_hi): Use SUBREG_BYTE.
4051 (regs_used): Use subreg_regno_offset.
4052 (machine_dependent_reorg): Use subreg_regno_offset.
4053 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
4054 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
4055 (movdf_i4): Subregs are byte offsets now.
4056 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
4057 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
4058 (REGMODE_NATURAL_SIZE): Override.
4059 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
4060 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
4062 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
4063 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
4064 extendqidi2): Generate SUBREGs with byte offsets, also make sure
4065 it is congruent to SUBREG's mode size.
4066 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
4068 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
4069 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
4070 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
4071 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
4072 * config/v850/v850.c (print_operand, output_move_double): Use
4073 subreg_regno function.
4075 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
4077 * configure.in (target_subdir): Use target_alias, not target.
4078 * configure: Rebuilt.
4080 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
4082 * config/sh/crti.asm: Fix typos in comments.
4084 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4086 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
4087 TARGET_FAST_INDIRECT_CALLS.
4088 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
4090 (return_addr_rtx): Short circuit export stub matching when
4091 TARGET_NO_SPACE_REGS.
4092 (output_millicode_call): For out of range calls, make -fPIC
4093 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
4094 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
4095 * pa.md: Modify length attr calculation of all millicode insns to
4098 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
4100 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4101 Require at least 2.11 in the version test. Specifically check
4102 for and reject GAS version 2.10.90.
4103 * configure: regenerate.
4105 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4107 * pa.c (override_options): Remove PIC profiling warning.
4108 (hp_profile_labelno): Delete.
4109 (hp_profile_label_rtx): Delete.
4110 (hp_profile_label_name): Delete.
4111 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4112 (output_function_prologue): Remove profiling code and all tests on
4113 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4114 merge_sp_adjust_with_store can work for PIC and profiling.
4115 (hppa_expand_epilogue): Remove profile_flag test.
4116 (hppa_can_use_return_insn_p): Likewise.
4117 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4118 cater for PROFILE_HOOK.
4119 (hppa_profile_hook): New function.
4120 * pa.h (FUNCTION_PROFILER): Now does nothing.
4121 (PROFILE_HOOK): Define.
4122 (hppa_profile_hook): Declare.
4123 (PROFILE_BEFORE_PROLOGUE): Delete.
4124 (ASM_OUTPUT_REG_PUSH): Delete.
4125 (ASM_OUTPUT_REG_POP): Delete.
4126 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4127 r24. Accept function name operand, and use this and a locally
4128 generated label to calculate pc-rel offset to func start.
4130 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4132 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4133 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4136 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4138 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4139 LO_SUM cases to where they belong.
4141 2001-04-02 Richard Henderson <rth@redhat.com>
4143 * except.h (lang_eh_type_covers): Mark extern.
4144 (lang_eh_runtime_type): Likewise.
4146 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4148 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4149 gengenrtl.c: Wrap generated header in multiple-include guard.
4150 Improve error checking.
4152 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4154 * configure.in: Don't check for putenv.
4155 * configure: Regenerate.
4156 * gcc.c (putenv): Don't define.
4157 * vax/xm-vms.h: Handle putenv.
4159 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4161 * ifcvt.c (noce_emit_move_insn): New.
4162 (noce_try_store_flag, noce_try_store_flag_constants,
4163 noce_try_store_flag_inc, noce_try_store_flag_mask,
4164 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4165 noce_try_abs): Use it.
4166 (noce_process_if_block): Likewise.
4167 For STRICT_LOW_PART, take mode from its SUBREG.
4169 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4171 * fold-const.c (fold): Before optimizing unsigned comparison with
4172 0x7fffffffU, make sure arg0 is integral type.
4174 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4176 * c-tree.texi: Document representation of wide strings.
4178 2001-04-01 Richard Henderson <rth@redhat.com>
4180 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4182 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4184 * i386.md: remove obsoleted comments.
4185 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4186 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4187 fix output template.
4189 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4191 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4193 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4195 * loop.c (load_mems): When generating a load from a pseudo, update
4198 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4200 * i386.c (ix86_split_long_move): Use change address to compensate
4201 stack pointer change in push instruction.
4203 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4205 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4206 instead of rtx_equal_p; fix the output template.
4208 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4210 * i386.c (ix86_expand_setcc): Support 64bit.
4211 (ix86_expand_int_movcc): Likewise.
4212 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4215 * i386.md (allocate_stack_worker): Turn to expander.
4216 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4218 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4220 2001-03-29 Richard Henderson <rth@redhat.com>
4222 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4224 2001-03-28 Matthew Hiller <hiller@redhat.com>
4226 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4229 * MAINTAINERS: Added self.
4231 2001-03-28 Richard Henderson <rth@redhat.com>
4233 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4234 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4236 2001-03-28 Jim Wilson <wilson@redhat.com>
4238 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4241 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4243 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4245 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4248 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4250 2001-03-28 DJ Delorie <dj@redhat.com>
4252 * Makefile.in (stage1_build): Revert CFLAGS patch.
4254 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4256 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4257 when multiplier or multiplicand is zero.
4259 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4261 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4263 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4265 (set_src_needs_barrier): Likewise.
4266 (rtx_needs_barrier): For SET case, use these two functions. Rework
4267 PARALLEL case to handle all inputs before all outputs.
4268 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4269 saw a label and no stop bit since then.
4270 (maybe_rotate, process_epilogue): Add prototypes.
4272 2001-03-28 Richard Henderson <rth@redhat.com>
4274 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4275 not TARGET_TOC for special toc restore handling.
4276 * config/rs6000/rs6000.md (eh_return): Likewise.
4278 2001-03-28 Richard Henderson <rth@redhat.com>
4280 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4281 current_function_calls_eh_return.
4282 (output_function_epilogue): Handle eh_return.
4283 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4284 (EH_RETURN_DATA_REGNO): New.
4285 (EH_RETURN_STACKADJ_RTX): New.
4286 (EH_RETURN_HANDLER_RTX): New.
4287 * config/sparc/sparc.md (call/short branch peepholes): Check
4288 can_throw_internal instead of in_same_eh_region.
4290 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4291 for eh_return data registers.
4292 (rs6000_emit_prologue): Save eh_return data registers.
4293 (rs6000_emit_epilogue): Force inline restores if eh_return.
4294 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4295 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4296 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4297 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4298 the target uses one.
4299 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4300 (return_eh_si, return_eh_di): Remove.
4301 (eh_return): New, from corpse of eh_epilogue.
4302 (eh_set_lr_si, eh_set_lr_di): New.
4304 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4305 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4306 True for pic register if current_function_calls_eh_return.
4307 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4308 Handle eh_return requirements.
4309 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4310 (EH_RETURN_STACKADJ_RTX): New.
4311 * config/i386/i386.md (exception_receiver): Remove.
4312 (eh_return, eh_return_1): New.
4313 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4315 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4316 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4317 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4318 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4319 (EH_RETURN_DATA_REGNO): New.
4320 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4321 * config/alpha/alpha.md (eh_epilogue): Remove.
4322 (exception_receiver): Use $26 for ldgp input.
4323 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4325 2001-03-28 Richard Henderson <rth@redhat.com>
4327 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4328 * except.h: Likewise.
4330 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4331 (LIB2ADDEHDEP): New.
4332 (LIB2FUNCS_EH): Remove.
4333 (LIB2ADD): Remove LIB2ADDEH.
4334 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4335 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4336 (crt{begin,end}[S].o): Likewise.
4337 (except.o): Update includes.
4338 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4339 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4341 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4342 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4343 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4344 * builtins.c (expand_builtin): Implement it.
4345 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4346 * c-common.c (c_common_nodes_and_builtins): Declare it.
4347 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4348 * calls.c (libfunc_nothrow): Remove.
4349 (emit_library_call_value_1): Don't call it.
4350 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4351 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4352 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4353 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4354 (current_funcdef_number): Globalize.
4355 (output_call_frame_info): Emit frame data if an lsda is needed.
4356 Generate augmentation for personality routine. Don't play with
4358 (dwarf2out_begin_prologue): Record funcdef_number.
4359 * dwarf2out.h (current_funcdef_number): Declare.
4360 * expr.c (expand_expr): Update for except.h name changes.
4361 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4362 * expr.h (LTI_throw, LTI_rethrow): Remove.
4363 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4364 (LTI_eh_rtime_match): Remove.
4365 (LTI_unwind_resume, LTI_eh_personality): Add.
4366 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4367 * final.c (final): Don't call check_exception_handler_labels,
4368 init_insn_eh_region, or free_insn_eh_region.
4369 (final_scan_insn): Always emit debug labels for
4370 NOTE_INSN_EH_REGION notes.
4371 * flags.h (flag_new_exceptions): Remove.
4372 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4373 (record_active_eh_regions): Remove.
4374 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4375 Use can_throw_internal.
4376 (find_basic_blocks_1): Likewise.
4377 (move_stray_eh_region_notes): Remove.
4378 (find_label_refs): No eh_return_stub_label.
4379 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4380 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4382 (delete_unreachable_blocks): Don't track deleted handlers.
4383 (flow_delete_block): Use maybe_remove_eh_handler.
4384 (delete_eh_regions): Remove.
4385 (merge_blocks): Don't check for eh region match.
4386 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4387 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4388 (init_propagate_block_info): Disable dead frame store optimization
4389 when current_function_calls_eh_return.
4390 (dump_bb): Don't print eh_beg, eh_end.
4391 * function.c (fixup_var_refs): No catch_clauses.
4392 (expand_function_end): Likewise. Call expand_eh_return before
4393 the return register use. Call sjlj_emit_function_exit_after.
4394 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4395 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4396 * ifcvt.c (dead_or_predicable): Remove eh region check.
4397 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4398 Don't check for EH vs parameters.
4399 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4400 (expand_inline_function): Call duplicate_eh_regions.
4401 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4402 (copy_insn_notes): Remap REG_EH_REGION notes.
4403 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4404 * integrate.h (struct inline_remap): Add local_return_label.
4405 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4406 check_exception_handler_labels, nor exception_optimize.
4407 (find_cross_jump): No EH region check.
4408 * optabs.c (init_optabs): Update for changed eh libfuncs.
4409 * rtl.def (RESX): New.
4410 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4411 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4412 checks. Update for except.h name changes.
4413 (expand_cleanups): Likewise.
4414 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4415 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4416 (compile_file): Call init_eh before init_optabs. Don't
4417 output_exception_table here.
4418 (rest_of_compilation): Call convert_from_eh_region_ranges,
4419 convert_to_eh_region_ranges, output_function_exception_table.
4420 Don't emit_eh_context.
4421 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4422 (EXC_PTR_EXPR): New.
4424 * md.texi (eh_epilogue): Remove.
4425 (eh_return): Document.
4426 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4427 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4429 * eh-common.h: Remove file.
4430 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4431 * libgcc2.c (L_eh): Remove.
4433 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4434 * unwind-dw2-fde.h: New file.
4435 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4436 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4437 * libgcc-std.ver: Update for eh symbols.
4439 2001-03-27 Richard Henderson <rth@redhat.com>
4441 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4442 reduce false positives.
4443 (regmove_optimize): Disable if flag_non_call_exceptions.
4445 * stmt.c (expand_return): Remove always true predicate.
4446 (expand_decl_cleanup_no_eh): Remove dead code.
4448 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4449 barrier code. Add a scheduling barrier if a non-call insn
4450 can throw internally.
4452 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4453 Auto-inc addresses trap only if their base register does.
4455 * except.c (can_throw_internal): Rename from can_throw.
4456 * except.h, resource.c: Update references.
4458 * integrate.c (copy_insn_list): Use returnjump_p.
4459 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4461 * function.h (struct function): Move all boolean valued fields
4462 to single bit fields at the end of the struct.
4464 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4466 Rename asynchronous_exceptions to flag_non_call_exceptions.
4468 * gthr-single.h (UNUSED): New. Distinguish between how C
4469 and C++ mark unused function arguments. Use throughout.
4471 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4472 value to target configuration header.
4473 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4474 * config.in, configure: Rebuild.
4475 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4476 configuration and target defines.
4477 (exceptions_via_longjmp): Remove.
4478 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4479 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4481 * except.h (flag_non_call_exceptions): Move ...
4482 * flags.h: ... here.
4484 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4485 exceptions, put the note on the trapping instruction.
4487 * flags.h (flag_new_exceptions): Remove.
4488 * toplev.c: Don't set it.
4489 * final.c: Don't check it.
4490 * except.c: Provide stub definition.
4492 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4493 (calculate_global_regs_live): Kill call-clobbered registers
4494 across exception edges.
4495 * reg-stack.c (convert_regs_1): Kill the entire target stack
4496 across non-call exception edges.
4498 * flow.c (cleanup_cfg): Take no argument.
4499 * output.h, sibcall.c, toplev.c: Update all calls.
4501 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4503 * configure.in: Don't check for bcopy.
4504 * configure, config.in: Regenerate.
4506 * system.h: Don't define or prototype bcopy, instead poison it.
4508 2001-03-27 Richard Henderson <rth@redhat.com>
4510 * function.c (expand_function_start): Set DECL_REGISTER on
4511 a pseudo used for DECL_RESULT.
4513 * rtl.h (LCT_NORETURN): New.
4514 * calls.c (emit_library_call_value_1): Handle it.
4516 2001-03-27 Stan Shebs <shebs@apple.com>
4518 * objc/objc-act.c (objc_init): Use dump_base_name.
4519 (gen_declaration): Clear the buffer arg.
4520 (gen_declaration_1): New function, body of gen_declaration.
4521 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4522 (gen_method_decl): Ditto, plus always clear buffer arg.
4523 (error_with_ivar): Simplify.
4524 (warn_with_method): Ditto.
4525 (build_message_expr): Don't clear buffers.
4526 (dump_interface): Ditto.
4527 (objc_debug): Ditto.
4528 (build_keyword_selector): Clear the buffer by only zeroing
4530 (objc_implementation_context): Declare.
4531 (start_class): Warn about missing @end.
4532 (finish_objc): Ditto.
4534 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4536 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4538 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4540 * Makefile.in (SYSTEM_H): Define.
4541 Depend on $(SYSTEM_H), not system.h.
4543 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4545 2001-03-27 Jim Wilson <wilson@redhat.com>
4547 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4549 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4550 (process_epilogue): New static function.
4551 (process_set): Call process_epilogue instead of emitting .restore
4553 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4555 * flow.c (struct reg_cond_life_info): New fields orig_condition
4557 (init_propagate_block_info): Set new fields.
4558 (mark_regno_cond_dead): Set and use new fields.
4559 (flush_reg_cond_reg_1): Likewise.
4560 (and_reg_cond, case AND): Check for redundant AND conditions.
4561 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4564 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4566 * cppmacro.c (stringify_arg): Null terminate strings.
4568 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4570 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4571 inclusion style. xm-m68hc11.h no longer exists.
4572 * config/m68hc11/xm-m68hc11.h: Delete file.
4573 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4575 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4576 Don't define GCC_VERSION, N_, or PARAMS; don't include
4577 gansidecl.h or stdio.h. Define inhibit_libc here.
4578 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4579 Delete code conditioned on #if GCC_VERSION == 2095.
4581 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4582 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4583 Delete code conditioned on #if GCC_VERSION == 2095.
4585 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4587 * system.h: Include symcat.h.
4588 (STRINGIFY): Don't define.
4590 * configure.in: Adjust comment.
4592 * builtins.c: Use STRINGX, not STRINGIFY.
4593 * gencheck.c: Likewise.
4594 * gengenrtl.c: Likewise.
4595 * protoize.c: Likewise.
4597 * cpplex.c: Don't include symcat.h.
4598 * cpplib.c: Likewise.
4600 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4602 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4604 * c-typeck.c (digest_init): Fold init expression.
4606 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4608 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4610 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4612 * except.c (eh_regs): Save results of build_pointer_type to a temp
4613 as FUNCTION_VALUE macro may evaluate its args multiple times.
4615 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4617 * c-common.h (DECL_NUM_STMTS): New macro.
4618 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4620 (pushdecl): Likewise.
4621 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4622 * integrate.c (expand_inline_function): Don't check
4624 * print-tree.c (print_node): Don't print it.
4625 * toplev.c (rest_of_compilation): Don't try to inline when
4626 flag_no_inline is on.
4627 * tree.h (DECL_FRAME_SIZE): Remove.
4628 (tree_decl): Adjust accordingly.
4630 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4632 * combine.c (try_combine): Use memcpy, not bcopy.
4634 * genattrtab.c (expand_units): Likewise.
4636 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4638 * i386.md (push mem DI peep2): New.
4639 (mov 0, mov -1 peep2): Handle 64bit.
4640 (lea to arithmetics peep2): Handle 64bit leas.
4641 (rsp arithmetics to push/pop peep2s): New.
4643 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4645 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4647 * i386.c (struct machine_function): Add save_varrargs_registers.
4648 (ix86_save_varrargs_registers): New macro.
4649 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4650 (ix86_expand_prologue): Likewise.
4651 (ix86_emit_epilogue_esp_adjustement): Likewise.
4652 (ix86_expand_epilogue): Likewise.
4653 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4654 (pro_epilogue_adjust_stack_1): New insn.
4655 (pro_epilogue_adjust_stack_rex64): Likewise.
4656 * i386.h (MASK_NO_RED_ZONE): New constant.
4657 (TARGET_RED_ZONE): New macro.
4658 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4659 (RED_ZONE_SIZE): New constant.
4660 (RED_ZONE_RESERVE): New constant.
4662 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4664 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4666 2001-03-25 Kazu Hirata <kazu@hxi.com>
4668 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4671 (umodhi3): Likewise.
4674 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4676 * mkconfig.sh (DEFINES): Handle entries with '='.
4678 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4679 Set xm_defines to MACRO=value instead.
4681 * i370/xm-mvs.h: Delete.
4683 * ns32k/xm-pc532-min.h: Likewise.
4685 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4687 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4689 use ix86_expand_binary_operator
4690 (?sh??i_?): Disable for 64bit.
4691 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4692 * i386.c (shiftdi_operand): New predicate.
4694 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4695 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4696 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4697 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4698 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4699 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4700 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4701 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4702 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4703 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4704 (rotldi3, rotrdi3): New expanders.
4706 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4708 * i386.md (movstrsi): Move offline.
4710 (strmovdi_rex64): New.
4711 (strmov?i): Accept 64bit.
4712 (strmov?i_rex64): New.
4713 (strmov?i_rex_1): New.
4714 (strmov?i_1): Disable for 64bit.
4715 (rep_mov?i_rex64): New.
4716 (rep_mov?i): Disable for 64bit.
4717 (clrstrsi): Move offline.
4718 (strset?i_rex64): New.
4719 (strset?i: Accept 64bit.
4720 (rep_stos?i): Disable for 64bit.
4721 (rep_stos?i_rex64): New.
4722 (strset?i_rex_1): New.
4723 (strset?i_1): Disable for 64bit.
4724 (cmpstrsi): Accept 64bit.
4725 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4726 (cmpstrqi_nz_rex_1): New.
4727 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4728 (strlensi): Move offline.
4730 (strlenqi_1): Disable for 64bit; fix constraints.
4731 (strlenqi_rex_1): New.
4732 * i386.c (ix86_adjust_counter): New static function.
4733 (ix86_zero_extend_to_Pmode): Likewise.
4734 (ix86_expand_aligntest): Likweise.
4735 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4736 (ix86_expand_movstr): New global function.
4737 (ix86_expand_clrstr): New global function.
4738 (ix86_expand_strlen): New global function.
4739 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4740 ix86_expand_strlen): Declare.
4741 (ix86_expand_strlensi_unroll_1): Delete.
4743 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4745 * i386.md (cmpdi): Fix operand predicates.
4746 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4747 cmpdi_1_insn_rex64): New patterns.
4748 (adddi3): Turn to expander.
4749 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4750 (addsi3_carry_zext): New pattern.
4751 (adddi_?_rex64): New patterns and splitters.
4752 (addsi_?_zext): New patterns.
4753 (subsi3_carry_zext): New pattern.
4754 (subdi_?_rex64): New patterns and splitters.
4755 (iorsi_?_zext): New patterns.
4756 (iordi_?_rex64): New patterns and splitters.
4757 (iorsi_?_zext): New patterns.
4758 (iorsi_?_zext_imm): New patterns.
4759 (xorsi_?_zext): New patterns.
4760 (xordi_?_rex64): New patterns and splitters.
4761 (xorsi_?_zext): New patterns.
4762 (negdi*): New patterns.
4763 (one_cmpldi*): Likewise.
4764 (one_cmplsi*_zext, negsi*_zext): Likewise.
4765 (testqi_ext_3_rex64): New pattern.
4767 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4769 * i386-protos.h (ix86_split_long_move): Return void.
4770 * i386.c (ix86_split_to_parts): Handle 64bit target.
4771 (ix86_split_long_move): Likewise.
4772 * i386.md (all calls to ix86_split_long_move): Update.
4774 2001-03-23 Richard Henderson <rth@redhat.com>
4776 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4777 to avoid shadowing arguments.
4779 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4781 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4782 to variable names where DECL_NAME is different from
4783 DECL_ASSEMBLER_NAME.
4785 2001-03-23 Jim Wilson <wilson@redhat.com>
4787 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4788 (assemble_alias): Call make_decl_rtl.
4790 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4792 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4794 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4796 * extend.texi: Document the "java_interface" attribute.
4798 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4800 * mkconfig.sh: Use a subshell with redirected stdout,
4801 instead of closing stdout and confusing commands that run
4802 afterward. Throw away output of cmp.
4804 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4806 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4808 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4810 * i386.md (zero_extendsidi2_32): Break out from ...
4811 (zero_extendsidi2): ... here ; turn to expander.
4812 (zero_extendsidi2_rex64): New.
4813 (extendsidi2_32): Break out from ...
4814 (extendsidi2): ... here ; turn to expander.
4815 (extendsidi2_rex64): New.
4816 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4817 (trunc?f?f splitters): Add 64bit versions.
4819 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4821 * i386.md (pushsi, pushsi2_prologue): Disable.
4822 (pushsi2_rex64): New.
4823 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4824 (movqi_ext_1): Disable for 64bit.
4825 (movqi_ext_1_rex64): New.
4826 (pushdi2_rex64): New pattern, peep2s and splitter.
4827 (pushdi2_prologue_rex64): New pattern.
4828 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4830 (movdi splitters): Disable for 64bit.
4831 (movdi_1_rex64): New pattern, peep2s and splitters.
4832 (swapdi): New pattern.
4833 (pushsf): Disable for 64bit.
4834 (pushsf_rex64): New pattern and splitter.
4835 (pushdf_nointeger): Disable for 64bit.
4836 (pushdf_integer): Handle the 64bit case.
4837 (pushtf): Likewise; update splitters.
4839 2001-03-22 Richard Henderson <rth@redhat.com>
4841 * mkconfig.sh: Include insn-flags.h.
4842 * Makefile.in (CONFIG_H): Include insn-flags.h.
4843 (lots of objects): Remove insn-codes.h and insn-flags.h.
4845 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4846 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4847 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4848 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4849 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4850 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4851 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4852 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4853 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4854 v850/v850.c, vax/vax.c:
4855 Don't include insn-flags.h.
4857 * diagnostic.c, expr.h, reload.c, toplev.c:
4858 Don't include insn-codes.h.
4860 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4861 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4862 c4x/c4x.c, i960/i960.c, mips/mips.c:
4863 Don't include insn-codes.h or insn-flags.h.
4865 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4866 or insn-flags.h in the generated code.
4867 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4868 (main): Forward declare struct rtx_def.
4870 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4872 * invoke.texi (-ffast-math): Remove duplicate line about
4875 * gcc.texi: Remove more obsolete documentation of bugs and
4876 installation problems.
4878 2001-03-21 Kazu Hirata <kazu@hxi.com>
4880 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4883 2001-03-20 Jason Merrill <jason@redhat.com>
4885 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4887 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4888 * varasm.c (CHKR_PREFIX): Likewise.
4890 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4892 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4893 is part of a multi-SET insn.
4895 * cse.c (find_comparison_args): Remove previous change.
4896 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4899 * config/i386/i386.md (conditional_trap): Remove warning.
4901 * recog.c (push_operand): Fix error in last change that caused
4902 undefined symbol on many targets.
4904 * sdbout.c: #include ggc.h.
4905 (sdbout_init): Move to end of file.
4906 Call ggc_add_tree_root for anonymous_types.
4907 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4908 (sdbout_one_type): Use DECL_NAME for field name.
4909 * Makefile.in (sdbout.o): Show includes ggc.h.
4911 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4913 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4914 (override_options): Use properlimits for preferred_stack_boundary.
4915 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4917 (ext_register_operand): Accept DImode.
4918 (load_pic_register): Abort on 64bit.
4919 (gen_push): Use Pmode instead of SImode.
4920 (ix86_save_reg): Pic reg is never used on 64bit.
4921 (ix86_expand_prologue): Likewise.
4922 (ix86_emit_save_regs): Use Pmode instead of SImode.
4923 (legitimate_address_p): Check displacement for 64bit.
4924 (print_operand): Avoid outputting of (%rip) on 64bit.
4925 (print_operand_address): Output (%rip) where possible.
4926 (split_di): Abort on 64bit registers.
4927 (ix86_expand_branch): DImode comparison is simple for x86_64.
4928 (memory_address_length): Recognize memory addresses formed using
4930 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4932 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4934 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4936 * recog.c (push_operand): Recognize new format of push instructions.
4938 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4940 * i386.md (pushqi1): New.
4941 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4942 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4943 x86_64_immediate_operand, x86_64_immediate_operand,
4944 x86_64_zext_immediate_operand): Declare.
4945 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4946 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4947 x86_64_immediate_operand, x86_64_immediate_operand,
4948 x86_64_zext_immediate_operand): define.
4949 * i386.h (PREDICATE_CODES): Add new predicates.
4951 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4953 * i386.md (pophi1, popqi1, pushqi1): Remove.
4955 * expr.c (emit_single_push_insn): New function.
4956 (move_by_pieces): Accept NULL as destination for push instructions.
4957 (gen_push_operand): Kill.
4958 (emit_push_insn): Pass NULL when pushing; avoid updating of
4959 stack_pointer_delta.
4960 * expr.h (gen_push_operand): Kill.
4962 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4964 * rtl.texi (COMPARE): Clarify documentation and reference section
4967 2001-03-20 Stan Shebs <shebs@apple.com>
4969 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4970 (get_object_reference): Ditto.
4971 (error_with_ivar): Use error_with_file_and_line.
4972 (warn_with_method): Use warning_with_file_and_line.
4974 2001-03-20 Tom Tromey <tromey@redhat.com>
4976 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4978 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4980 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4981 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4983 2001-03-20 DJ Delorie <dj@redhat.com>
4985 * Makefile.in (install-libgcc): Pass complete list of variables.
4986 (install-multilib): Ditto.
4988 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4990 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4991 drectve_section, switch_to_section.
4993 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4994 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4995 i386_pe_mark_dllimport.
4997 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4999 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
5000 functions i386_pe_*.
5002 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
5003 i386_pe_* functions with char * arguments.
5005 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
5007 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
5009 (movsi_ie): Introduce fpul store.
5011 2001-03-20 Alan Modra <alan@linuxcare.com.au>
5013 * Makefile.in (OBJS): Remove hashtab.o.
5015 2001-03-19 Stan Shebs <shebs@apple.com>
5017 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
5018 * c-lang.c (maybe_objc_method_name): Ditto.
5019 * c-tree.h (maybe_objc_method_name): Remove decl.
5021 2001-03-19 Tom Tromey <tromey@redhat.com>
5023 * gcc.c (init_gcc_specs): Fix comment.
5025 2001-03-19 Mark Mitchell <mark@codesourcery.com>
5027 Compute DECL_ASSEMBLER_NAME lazily.
5028 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
5029 (DECL_ASSEMBLER_NAME_SET_P): New macro.
5030 (SET_DECL_ASSEMBLER_NAME): Likewise.
5031 (COPY_DECL_ASSEMBLER_NAME): Likewise.
5032 (set_decl_assembler_name): Declare.
5033 (lang_set_decl_assembler_name): Likewise.
5034 * tree.c (lang_set_decl_assembler_name): New variab.e
5035 (set_decl_assembler_name): New function.
5036 (init_obstacks): Set lang_set_decl_assembler_name.
5037 (build_decl): Don't set DECL_ASSEMBLER_NAME.
5038 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
5039 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
5040 where it's not necessary.
5041 (builtin_function): Likewise.
5042 (finish_decl): Likewise.
5043 * dbxout.c (dbxout_type_methods): Likewise.
5044 * ggc-common.c (ggc_mark_trees): Likewise.
5045 * profile.c (output_func_start_profiler): Likewise.
5046 * varasm.c (make_decl_rtl): Likewise.
5048 * cse.c (find_comparison_args): Update documentation. Fix
5049 mishandling of COMPARE operations.
5051 * tree.def (ABS_EXPR): Add documentation.
5052 * fold-const.c (fold): Improve folding of ABS_EXPRs.
5054 2001-03-19 Zack Weinberg <zackw@stanford.edu>
5056 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
5058 2001-03-19 Jakub Jelinek <jakub@redhat.com>
5060 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
5061 Remove ia32 linux PIC kludge and move it...
5062 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
5064 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
5066 * i386.md (absdf2 expander): Fix 64bit case.
5068 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
5070 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
5072 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
5074 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
5076 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5078 * README.X11: Remove obsolete file.
5080 2001-03-18 Anthony Green <green@redhat.com>
5082 * config/pj/pj.h: Remove some trailing commas.
5083 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
5085 2001-03-18 Richard Henderson <rth@redhat.com>
5087 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
5088 * calls.c: ... here.
5089 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
5090 defaults for them here.
5092 2001-03-17 Anthony Green <green@redhat.com>
5094 * config/pj/lib1funcs.S: Fix broken comment.
5095 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
5098 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
5100 * gcc.texi: Remove obsolete information relating to build and
5101 installation problems with enquire or the Pyramid C compiler.
5103 2001-03-17 Richard Henderson <rth@redhat.com>
5105 * dwarf2out.c (queue_reg_save): New.
5106 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5107 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5109 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5110 (cfa, cfa_store, cfa_temp): Make static.
5111 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5113 2001-03-17 Richard Henderson <rth@redhat.com>
5115 * integrate.h (struct inline_remap): Add local_return_label.
5116 * integrate.c (expand_inline_function): Initialize it and emit
5117 it after copy_insn_notes.
5118 (copy_insn_list): Don't store local_return_label here.
5119 (copy_insn_notes): New function split out from copy_insn_list.
5121 2001-03-17 Richard Henderson <rth@redhat.com>
5123 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5124 is generating .debug_line.
5125 (dwarf2out_init): Add main_input_filename to the file table first.
5126 * configure.in (as_dwarf2_debug_line): Test with file number 1
5127 instead of file number 0.
5129 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5131 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5132 (gen_rtx_combine): Deleted; all references changed as appropriate.
5133 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5135 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5137 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5139 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5142 2001-03-16 Jim Wilson <wilson@redhat.com>
5144 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5145 then set it to LOC_REG (79) instead of aborting.
5147 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5149 * gccbug.in: Remove high priority.
5151 2001-03-16 Richard Henerson <rth@redhat.com>
5153 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5154 output with a space instead of deleting it.
5155 * configure: Regenerate.
5157 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5159 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5160 handles the gory details of converting an object file into
5161 something that's safe to grep.
5162 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5163 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5164 newlines at either end of the string we're looking for.
5165 Make 'checking ...' message less stilted.
5166 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5167 ARM in-memory layout and its hypothetical converse. Don't
5168 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5169 HOST_WORDS_BIG_ENDIAN.
5171 * configure.in: Adjust for renamed macro. Move
5172 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5173 * configure, config.in: Regenerate.
5175 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5177 * fixinc/Makefile.in: Set SHELL.
5179 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5181 * fixinc/fixincl.c (fix_with_system): Quote file names before
5182 passing them to shell.
5184 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5186 * Makefile.in: Use fix-header$(build_exeext) instead
5189 2001-03-16 Richard Henderson <rth@redhat.com>
5191 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5192 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5193 (size_of_line_prolog): Remove.
5194 (output_line_info): Compute prologue size via label difference.
5195 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5197 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5198 assembler error when redefining file numbers.
5199 * config.in, configure: Rebuild.
5201 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5202 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5203 (dw2_asm_output_delta_uleb128): Likewise.
5204 (dw2_asm_output_delta_sleb128): Similarly.
5205 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5207 2001-03-16 Michael Meissner <meissner@redhat.com>
5209 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5211 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5213 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5215 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5216 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5217 being unsigned in ISO C and signed in traditional.
5218 (expand_prologue): Ditto.
5219 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5221 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5223 (divsi3,divdi3): Ditto.
5224 (modsi3,moddi3): Ditto.
5225 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5226 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5227 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5230 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5232 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5233 SSE based conditional moves on LTGT/UNEQ conditions;
5234 Canonicalize EQ to NE.
5235 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5236 (sse_mov?fcc_ne): New.
5238 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5240 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5242 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5243 register may be dead.
5245 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5247 * Makefile.in (hash.o): Depend on CONFIG_H.
5249 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5251 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5253 2001-03-15 Richard Henderson <rth@redhat.com>
5255 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5256 (ASM_OUTPUT_DWARF_PCREL): New.
5257 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5259 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5261 * cppfiles.c (stack_include_file): Use MAX of sysp.
5263 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5265 * config.gcc (ia64*-*-hpux*): New case.
5266 * config/ia64/hpux.h: New file for HP-UX support.
5267 * config/ia64/t-hpux: New file for HP-UX support.
5269 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5271 * fixinc/inclhack.def (irix_stdio_va_list): New.
5272 * fixinc/fixincl.x: Rebuilt.
5274 2001-03-15 Richard Henderson <rth@redhat.com>
5276 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5277 if provided by the target.
5278 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5279 (dw2_asm_output_addr): New.
5280 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5281 * dwarf2out.c (output_cfi): Use it for program addresses.
5282 (output_call_frame_info, output_die): Likewise.
5283 (output_aranges, output_line_info): Likewise.
5285 2001-03-15 Bruce Korb <bkorb@gnu.org>
5287 * gcc.c(main): make more rigorous
5288 * collect2.c(main): guard against ignoring SIGCHLD
5289 * protoize.c(main): ditto
5290 * gcc/fixinc/fixincl.c(initialize): ditto
5292 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5294 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5295 (sdbout_parms): Likewise.
5297 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5299 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5300 "widen" a destination that is already wider than a word. Also do
5301 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5303 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5305 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5307 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5309 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5311 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5313 * i960.h (i960_maxbitalignment,
5314 i960_last_maxbitalignment): Declare.
5315 * i960.c (i960_maxbitalignment,
5316 i960_last_maxbitalignment): Make global.
5317 (process_pragma): Delete.
5318 (i960_pr_align, i960_pr_noalign): Move from here ...
5319 * i960-c.c: ... to this new file.
5320 * t-960bare (i960-c.o): New rule.
5321 * t-vxworks960 (i960-c.o): Likewise.
5322 * config.gcc (i960-*-*): Define c_target_objs and
5325 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5327 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5328 without adding in rtx code and mode.
5330 * alias.c (init_alias_analysis): Don't use any rtx whose value
5331 varies as a known value.
5332 Delete a superfluous test.
5334 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5336 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5337 scheduling a stop bit.
5338 (ia64_emit_nops): Correctly handle ASMs.
5340 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5342 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5344 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5346 * cpp.texi: Update documentation for -include and -imacros.
5347 * cppfiles.c (struct include_file): Remove "defined" memeber.
5348 (find_or_create_entry): Make a copy of the file name, and
5350 (open_file): Update to ensure we use the simplified filename.
5351 (stack_include_file): Don't set search_from.
5352 (cpp_included): Don't simplify the path name here.
5353 (find_include_file): New prototype. Call search_from to
5354 get the start of the "" include chain. Don't simplify the
5356 (_cpp_execute_include): New prototype. Move diagnostics to
5357 do_include_common. Update.
5358 (_cpp_pop_file_buffer): Don't set defined.
5359 (search_from): New prototype. Use the preprocessor's cwd
5360 for files included from the command line.
5361 (read_name_map): Don't simplify the pathname here.
5362 * cpphash.h (enum include_type): New.
5363 (struct buffer): Delete search from. New search_cached.
5364 (_cpp_execute_include): Update prototype.
5365 * cppinit.c (do_includes): Use _cpp_execute_include.
5366 * cpplib.c (do_include_common): New function.
5367 (do_include, do_include_next, do_import): Use it.
5369 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5371 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5372 contents of the RTL, to determine the name of the object.
5374 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5376 * tree.h (DECL_RTL): Allocate RTL lazily.
5377 (SET_DECL_RTL): New macro.
5378 (DECL_RTL_SET_P): Likewise.
5379 (COPY_DECL_RTL): Likewise.
5380 (DECL_RTL_IF_SET): Likewise.
5381 * varasm.c (make_decl_rtl): Add assertions about the kind of
5382 declaration we are processing.
5383 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5384 (start_decl): Likewise.
5385 (finish_decl): Likewise.
5386 * c-semantics.c (emit_local_var): Likewise.
5387 * calls.c (expand_call): Likewise.
5388 * dbxout.c (dbxout_symbol): Likewise.
5389 * emit-rtl.c (unshare_all_rtl): Likewise.
5390 (unshare_all_decls): Likewise.
5391 (reset_used_decls): Likewise.
5392 * expr.c (store_constructor): Likewise.
5393 (safe_from_p): Likewise.
5394 (expand_expr): Likewise.
5395 * function.c (put_var_into_stack): Likewise.
5396 (instantiate_decls_1): Likewise.
5397 (assign_parms): Likewise.
5398 (expand_function_start): Likewise.
5399 (expand_function_end): Likewise.
5400 * ggc-common.c (gcc_mark_trees): Likewise.
5401 * integrate.c (function_cannot_inline_p): Likewise.
5402 (copy_decl_for_inlining): Likewise.
5403 (expand_inline_function): Likewise.
5404 (integrate_parm_decls): Likewise.
5405 (integrate_decl_tree): Likewise.
5406 * print-tree.c (print_node): Likewise.
5407 * reg-stack.c (stack_result): Likewise.
5408 * stmt.c (label_rtx): Likewise.
5409 (expand_return): Likewise.
5410 (expand_decl): Likewise.
5411 (expand_decl_cleanup): Likewise.
5412 (expand_anon_union_decl): Likewise.
5413 * toplev.c (check_global_declarations): Likewise.
5414 (rest_of_decl_compilation): Likewise.
5415 * tree.c (simple_cst_equal): Likewise.
5416 * objc/objc-act.c (generate_static_references): Likewise.
5418 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5420 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5421 gcc_AC_C_FLOAT_FORMAT): New macros.
5422 * configure.in: Add AC_PROG_CPP after CC tests;
5423 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5424 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5425 * configure, config.in: Regenerate.
5427 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5428 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5429 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5430 config/i370/xm-linux.h, config/i370/xm-oe.h,
5431 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5432 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5433 config/pa/xm-linux.h, config/pa/xm-pa.h,
5434 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5435 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5436 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5437 config/we32k/xm-we32k.h: Delete.
5439 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5440 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5441 config/vax/xm-vms.h: Don't define any of:
5442 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5444 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5446 * config.gcc: Remove references to deleted files.
5447 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5448 FATAL_EXIT_CODE, which is the same between oe and mvs).
5450 2001-03-14 DJ Delorie <dj@redhat.com>
5451 Vladimir Makarov <vmakarov@redhat.com>
5453 * config/i960/i960.c (i960_function_prologue): Compute size of
5454 frame according to number of registers actually saved there.
5456 2001-03-14 Richard Henderson <rth@redhat.com>
5458 * expr.c (emit_move_insn_1): Fix else if around #endif.
5460 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5463 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5466 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5468 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5469 (override_options): Parse cmodel string.
5470 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5471 * i386.h (TARGET_OPTIONS): Add "cmodel".
5472 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5474 (ix86_cmodel_string, ix86_cmodel): Declare.
5476 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5479 * i386.h (GENERAL_REG_P): Add missing REG_P.
5481 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5483 * configure.in: Use $gcc_cv_as instead of $as.
5484 * configure: Regenerated.
5486 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5488 * cppfiles.c (stack_include_file): Only increase the include
5489 count if we actually process the file properly, as opposed
5490 to treating it as length zero. Only call read_include_file
5491 if not DO_NOT_REREAD. Handle the -H include file output
5493 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5494 (cpp_included, find_include_file): Simplify pathnames after
5495 remapping them. If remapping, don't use the remapped file
5496 name's buffer as our scratch buffer.
5497 (cpp_pop_file_buffer): Replace the multiple include macro
5498 only if it isn't yet set.
5499 (read_name_map): Simplify remapped names when reading in.
5500 (remap_filename): Move code to code path that uses it.
5501 (_cpp_simplify_pathname): Return the input pointer.
5502 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5504 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5506 * expr.c (expand_expr): Revove bogus conditional.
5508 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5510 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5512 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5514 * reg-stack.c (stack_result): Unconditionally use
5515 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5517 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5519 * expr.c (emit_move_insn_1): Split push of complex value when
5520 no suitable push instruction exist.
5522 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5523 instead of QI_REG_P.
5525 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5527 * alias.c (handled_component_p, can_address_p): New functions.
5528 (get_alias_set): Use them.
5530 2001-03-13 Jim Wilson <wilson@redhat.com>
5532 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5533 from 80 in try_locals code.
5534 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5536 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5538 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5539 gcc_AC_C_LONG_LONG): New.
5540 * configure.in: Use them. Probe the size of short, int, long,
5541 and long long/__int64 if we have them. Move all the AC_C_*
5542 checks together, except gcc_AC_C_CHAR_BIT which has to go
5543 after AC_CHECK_HEADERS(limits.h).
5544 Take hwint.h out of host_xm_file and build_xm_file.
5546 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5547 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5548 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5549 Move the HOST_WIDEST_INT setup logic here from system.h.
5550 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5552 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5553 is now handled by hwint.h.
5555 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5556 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5557 config/ia64/xm-ia64.h: Don't define any of:
5558 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5559 HOST_BITS_PER_LONGLONG.
5561 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5562 config/h8300/xm-h8300.h, config/mips/iris6.h,
5563 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5564 config/sparc/xm-sp64.h: Delete.
5565 * config.gcc: Remove references to deleted files.
5567 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5568 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5569 * config/i370/xm-linux.h: Clarify floating-point situation in
5572 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5574 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5575 (find_include_file): Decide here which part of the include
5576 chain to start the search. Complain about an empty include
5577 chain in all cases apart from an abolsute file name.
5578 (_cpp_execute_include): Don't choose the search chain here.
5579 Don't call handle_missing_include in the case of an empty
5581 (_cpp_compare_file_date): Don't choose the search chain here.
5582 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5583 here from _cpp_execute_include. Behave like #include if
5584 we're in the main file.
5586 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5588 * system.h (malloc, realloc, calloc, strdup): Only poison these
5589 tokens when IN_GCC is defined.
5591 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5593 * i386.md (abs?f expander): Support SSE case.
5594 (abd?f_if): Add new "USE"; add splitters.
5596 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5598 * cpp.texi (poison): Explain the macro expansion exception.
5600 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5602 * expr.c (store_expr): Add dont_store_target. If temp is already in
5603 target before copying to reg, don't store it into target again.
5605 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5607 * cppinternals.texi: Update for file handling.
5609 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5611 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5612 2001-02-24 which broke building the Java library.
5613 * function.c (identify_blocks): Likewise.
5614 (all_blocks): Likewise.
5615 * integrate.c (integrate_decl_tree): Likewise.
5616 * print-tree.c (print_node): Likewise.
5617 * tree.h (BLOCK_NUMBER): Likewise.
5618 (struct tree_block): Likewise.
5620 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5622 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5623 __WCHAR_TYPE__ definition.
5624 (WCHAR_TYPE_SIZE): #undef before #define.
5626 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5628 * cppfiles.c: Update comments.
5629 (destroy_include_file_node): Rename destroy_node.
5630 (find_or_create_entry): New function.
5631 (open_file, _cpp_fake_include): Use it.
5632 (handle_missing_header): New function, broken out of
5633 _cpp_execute include. Don't segfault if there is no
5634 system or quoted path.
5635 (_cpp_execute_include): Use handle_missing_header.
5637 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5639 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5640 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5642 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5644 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5645 unless anti_dependence says they are.
5646 * alias.c (objects_must_conflict): If neither has a type specified,
5649 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5650 David Billinghurst <David.Billinghurst@riotinto.com>
5652 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5654 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5656 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5657 (*_one_bit): Remove type on the match_operand in attributes.
5659 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5661 * i386.c: Commit forgotten hunk in previous patch.
5662 (regclass_map): Add extended registers.
5663 (dbx_register_map): Add missing frame register.
5665 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5667 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5669 * i386.md (x86_sahf_1): Disable for 64bit.
5670 (popsi*, pophi*): Likewise.
5671 (pushqi, pushhi): Likewise.
5672 (movdi, pushdi): Likewise.
5673 (zero extend DImode splitter): Likewise.
5674 (adddi, minusdi splitter): Likewise.
5675 (umulsidi): Likewise.
5677 (mulsidi): Disable for 64bit
5678 (lshift:DI/ashift:DI): Disable for 64bit.
5679 (loop patterns): Likewise.
5680 (call_pop, call_value_pop expanders and patterns): Likewise.
5681 (prologue_get_pc): Likewise.
5683 (fcmovDI pattern and splitter): Likewise.
5684 (movdfcc_1_rex64): New.
5686 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5688 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5689 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5690 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5691 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5692 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5693 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5694 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5695 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5696 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5697 (REGPARM_MAX): Set to 6 for x86_64.
5698 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5699 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5702 * (patterns that does use upper halves): Update constraints
5703 'q' to 'Q' and 'r' to 'R'.
5704 (cmpqi_ext_1): Disable for 64bit.
5705 (cmpqi_ext_3_insn): Likewise.
5706 (movqi_extzv_1): Likewsie.
5707 (addqi_ext_1): Liekwsie
5708 (testqi_ext_1): Liekwsie
5709 (andqi_ext_1): Liekwsie
5710 (xorqi_ext_1): Liekwsie
5711 (cmpqi_ext_1_rex64): New.
5712 (cmpqi_ext_3_insn_rex64): Likewise.
5713 (movqi_extzv_1_rex64): Likewsie.
5714 (addqi_ext_1_rex64): Liekwsie
5715 (testqi_ext_1_rex64): Liekwsie
5716 (andqi_ext_1_rex64): Liekwsie
5717 (xorqi_ext_1_rex64): Liekwsie
5719 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5721 * configure.in: Move check for unsigned enumerated bitfields
5722 to macro in aclocal.m4. Disable it for now.
5723 * configure, config.in: Regenerate.
5724 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5725 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5726 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5727 kind above its first use.
5729 * config/xm-interix.h, config/alpha/xm-alpha.h,
5730 config/i370/xm-linux.h, config/i386/xm-beos.h,
5731 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5732 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5733 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5734 Don't define ONLY_INT_FIELDS under any circumstances.
5736 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5738 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5739 config/sparc/xm-sysv4.h: Delete - now identical with some
5741 * config.gcc (hppa targets): Replace xm-pahpux.h and
5742 xm-papro.h with implicit xm-pa.h.
5743 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5746 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5748 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5749 before reload_cse_noop_set_p.
5751 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5753 * config.gcc: Where xm-host.h used to include another
5754 xm-host.h, list the nested header directly in xm_file. Remove
5755 references to deleted files. Can now use sparc/xm-sp64.h for
5758 * config/xm-linux.h, config/arm/xm-linux.h,
5759 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5760 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5761 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5762 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5763 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5766 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5767 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5768 bother to wrap #undef in #ifdef.
5769 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5770 Don't include xm-linux.h.
5771 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5773 * configure.in: Wrap regexps using [] in changequote block.
5774 Use expr : not echo | grep. Simplify regexps.
5775 * configure: Regenerate.
5777 56 xm-files remain, 22 xm-arch.
5779 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5781 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5782 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5783 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5784 (copy_object): Fix format specifier vs argument mismatch.
5786 * mips-tdump.c: Make local functions static.
5787 (rindex): Don't #undef.
5788 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5789 (fatal, fancy_abort): Delete.
5790 (read_seek): Avoid signed/unsigned compare.
5792 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5794 * combine.c (try_combine): Fix error in change to try original
5796 (gen_rtx_combine): Do same as gen_rtx for now.
5798 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5800 * configure.in: AC_SUBST xm_defines.
5801 * configure: Regenerate.
5802 * Makefile.in: Set DEFINES=$(xm_defines) when building
5805 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5807 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5808 (cpp_included, find_include_file): Update.
5809 (_cpp_compare_file_date): Make else unconditional.
5811 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5813 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5815 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5817 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5818 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5820 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5822 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5823 if it's a record type.
5825 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5827 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5828 mingw includes slightly.
5830 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5832 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5833 #undef token before poisoning it.
5835 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5837 * alpha.c (check_float_value): Use memcpy, not bcopy.
5839 * m32r.c (m32r_sched_reorder): Likewise.
5841 * vax.c (check_float_value): Likewise.
5843 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5845 * toplev.c (file_name_nondirectory): Remove.
5846 * toplev.h: Similarly.
5847 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5848 of file_name_nondirectory.
5850 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5852 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5853 * mips-tfile.c: Don't #undef rindex; not used.
5855 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5857 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5858 (dbx64_register_map): Declare.
5859 (RETURN_ADDR_RTX): Fix for 64bit.
5860 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5861 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5862 * i386.c (dbx64_register_map): New global array.
5863 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5864 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5867 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5869 * cppfiles.c (search_from): Use lbasename.
5870 * mkdeps.c (deps_add_default_target): Use lbasename.
5872 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5874 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5875 xcalloc in lieu of malloc, realloc & calloc.
5877 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5879 * gengenrtl.c (xmalloc): Likewise.
5881 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5882 really_call_* memory allocation routines.
5884 * stmt.c (check_for_full_enumeration_handling): Use
5885 really_call_calloc, not calloc.
5887 * system.h (really_call_malloc, really_call_calloc,
5888 really_call_realloc): Define.
5889 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5891 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5893 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5895 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5897 * configure: Rebuilt.
5898 * configure.in: Only use `lang_requires' for languages athat are
5901 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5903 * invoke.texi: Fix typo.
5904 * gcc.1: Regenerate.
5906 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5908 * configure.in: Prune nonexistent files from build_xm_file,
5909 xm_file, and host_xm_file lists. Warn unless they're
5911 Don't generate *config.h here.
5912 AC_SUBST all variables needed to generate *config.h.
5913 * configure: Regenerate.
5914 * mkconfig.sh: New helper script, from code removed from
5916 * Makefile.in: Zap all MALLOC variables - no longer used
5917 anywhere, and malloc.c doesn't exist.
5918 Substitute in variables needed to generate *config.h.
5919 Stop lying about the dependencies contained in CONFIG_H and
5921 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5922 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5923 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5924 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5925 $(TM_P_H), etc. as appropriate.
5927 * config.gcc: Zap references to deleted files.
5928 * ggc-none.c: Don't include rtl.h or tm_p.h.
5930 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5931 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5932 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5933 config/i386/xm-linux.h, config/i386/xm-linux.h,
5934 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5935 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5936 Don't include i386/xm-i386.h.
5938 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5939 config/i386/xm-i386.h, config/i860/xm-i860.h,
5940 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5941 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5942 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5943 Delete (empty except comments, #includes of other deleted
5944 files, and macros used nowhere).
5946 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5948 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5949 independent on TARGET_FLAGS.
5951 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5953 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5955 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5957 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5959 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5960 LAST_REX_SSE_REG): define.
5961 (enum reg_class): Add 'LEGACY_REGS'
5962 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5963 (SSE_REGNO_P): Recognize extended registers.
5964 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5965 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5966 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5967 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5968 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5969 REG_OK_FOR_STRREG_P): Remove.
5970 (HI_REGISTER_NAMES): Add extended registers.
5971 (ADDITIONAL_REGISTER_NAMES): Likewise.
5972 (QI_REGISTER_NAMES): Add 8bit extended registers.
5973 (DEBUG_REG): Support extended registers.
5974 * i386.c (regclass_map): Add extended registers.
5975 (dbx_register-map): Likewise.
5976 (svr4_dbx_register_map): Likewise.
5977 (print_reg): Support extended registers.
5978 (print_operand): Support 64bit operands.
5980 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5982 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5983 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5984 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5985 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5986 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5987 STACK_BOUNDARY): Set properly for 64bits.
5988 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5989 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5990 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5991 (MOVE_MAX): Set to 16.
5992 (MOVE_MAX_PIECES): 8 for 64bit.
5993 (Pmode): Set to SImode.
5995 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5997 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5999 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
6001 * i386.h (mask_64bit): New constant.
6002 (target_64bit): New macro.
6003 (target_options): Add '64'/'32'
6004 (target_default): Define.
6005 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
6006 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
6007 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
6009 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
6011 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
6013 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
6015 * rtlanal.c (rtx_varies_p): Check operand 0 of a
6016 LO_SUM unless for_alias is set.
6018 2001-03-08 Stan Shebs <shebs@apple.com>
6020 * objc/objc-act.c: Fix old typos in comments, add comments for
6022 (hash_init): Fix file name in error message.
6023 (hash_enter): Ditto.
6024 (hash_add_attr): Ditto.
6025 (continue_class): Ditto.
6027 2001-03-08 Bruce Korb <bkorb@gnu.org>
6029 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
6030 wait4() can receive the signal.
6032 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6034 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
6036 * fixinc/fixincl.x: Regenerate.
6038 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
6040 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
6042 * fixinc/fixincl.x: Regenerate.
6044 2001-03-08 Richard Henderson <rth@redhat.com>
6046 * configure.in (HAVE_AS_LEB128): New assembler check.
6047 * configure, config.in: Rebuilt.
6049 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
6051 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
6054 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6056 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
6057 references to the MAXPATHLEN macro.
6059 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
6060 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
6063 * config/i386/xm-gnu.h, config/xm-gnu.h,
6064 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
6065 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
6066 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
6067 and/or unused files.
6069 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
6070 doing so in various xm-*.h files.
6072 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6074 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
6076 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
6078 * configure.in (enable_shared): Support per-package shared-library
6080 * configure: Rebuilt.
6082 2001-03-07 David Edelsohn <edelsohn@gnu.org>
6084 * rs6000.md (cr logic): Add original POWER mnemonic alternative
6085 for crnot. Set operands[5] in splitter.
6087 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6089 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
6090 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
6091 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
6092 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
6093 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
6094 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
6095 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
6098 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
6099 config/i370/xm-i370.h, config/i386/xm-dgux.h,
6100 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6101 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6102 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6103 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6104 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6105 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6106 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6107 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6108 Delete unused and/or empty files.
6110 * config.gcc: Define USG in xm_defines as appropriate. Define
6111 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6112 macro. Remove deleted xm-* files from $xm_files variable.
6114 2001-03-07 Tom Tromey <tromey@redhat.com>
6116 * configure: Rebuilt.
6117 * configure.in: Allow config-lang.in to set `lang_requires' to list
6118 of other required languages.
6120 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6122 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6124 (output_prologue): Use xmalloc not oballoc.
6125 (output_epilog): Free a29k_first_epilogue_insn when finished.
6126 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6128 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6130 * builtins.c (expand_builtin_mathfn): Check
6131 flag_unsafe_math_optimizations, not flag_fast_math.
6132 (expand_builtin): Likewise
6133 * combine.c (combine_simplify_rtx): Likewise.
6134 (simplify_if_then_else): Likewise.
6135 * cse.c (fold_rtx): Likewise.
6136 * flags.h: Remove flag_fast_math. Add
6137 flag_unsafe_math_optimizations and flag_trapping_math.
6138 * fold-const.c (negate_expr): Check
6139 flag_unsafe_math_optimizations, not flag_fast_math.
6140 (invert_truthvalue): Likewise.
6141 (fold): Likewise. Before associating operands, check that
6142 code == MULT_EXPR, not code != MULT_EXPR.
6143 * ifcvt.c (noce_try_minmax): Check
6144 flag_unsafe_math_optimizations, not flag_fast_math.
6145 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6146 * invoke.texi: Document -funsafe-math-optimizations and
6147 -fno-trapping-math. Change documentation for -ffast-math.
6148 * jump.c (reversed_comparison_code_parts): Likewise.
6149 (rtx_equal_for_thread_p): Likewise.
6150 * optabs.c (emit_conditional_move): Likewise.
6151 * simplify-rtx.c (simplify_binary_operation): Likewise.
6152 (simplify_relational_operation): Likewise.
6153 (simplify_ternary_operation): Likewise.
6154 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6155 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6156 Add trapping-math and unsafe-math-optimizations entries to f_options.
6157 (set_fast_math_flags): New, sets flags for -ffast-math.
6158 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6159 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6160 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6162 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6163 (alpha_emit_conditional_move): Initialize local_fast_math to
6164 flag_unsafe_math_optimizations, not flat_fast_math.
6165 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6166 instead of setting flag_fast_math to 1.
6167 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6169 * config/i386/i386.c (override_options): Likewise
6170 * config/i386/i386.md: Likewise.
6171 * config/m68k/m68k.md: Likewise.
6172 * config/mips/mips.md: Likewise.
6173 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6174 (rs6000_generate_compare): Likewise.
6176 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6178 * Makefile.in: Set RANLIB to @RANLIB@.
6181 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6183 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6184 * fixinc/fixincl.x: Regenerated.
6186 2001-03-07 Richard Henderson <rth@redhat.com>
6188 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6190 2001-03-07 Richard Henderson <rth@redhat.com>
6192 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6193 of block notes and exception handling notes.
6195 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6196 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6197 (compile_file): ... here.
6199 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6201 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6203 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6204 config.h now. Include libiberty.h to handle alloca.
6206 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6208 * c-parse.in (yylexname): New function, split out of _yylex.
6209 (objc_rid_sans_at): New table.
6210 (init_reswords): Initialize it.
6211 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6212 retrieving the next token and checking it for significance as
6213 an ObjC keyword or string constant.
6215 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6216 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6218 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6221 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6223 * config/m68k/m68k.c (const_uint32_operand): Accept any
6224 const_int on a 32-bit host.
6226 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6228 * objc/objc-act.c (init_objc): Set save_lang_status,
6229 restore_lang_status, and mark_lang_status.
6231 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6233 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6235 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6237 * cppinternals.texi: Update.
6239 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6241 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6242 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6243 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6244 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6245 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6246 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6247 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6248 config/i386/xm-i386.h, config/i860/xm-i860.h,
6249 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6250 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6251 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6252 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6253 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6254 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6255 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6256 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6257 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6258 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6259 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6260 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6261 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6262 match the defaults provided in hwint.h.
6264 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6265 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6267 * config.gcc (xm_file): Don't set to files which are deleted.
6269 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6270 guard this file against these macros being undefined.
6272 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6274 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6275 and DECL_DEFER_OUTPUT on the decl we create, before calling
6276 rest_of_decl_compilation.
6278 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6280 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6282 * configure, config.in: Regenerate.
6283 * config.gcc: Remove references to deleted files.
6285 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6286 genrecog.c, rtl.c: Do not use alloca anywhere.
6288 * Makefile.in, build-make, system.h, config/x-interix,
6289 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6290 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6291 config/arc/xm-arc.h, config/arm/xm-arm.h,
6292 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6293 config/h8300/xm-h8300.h, config/i370/x-oe,
6294 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6295 config/i386/x-ncr3000, config/i386/x-sco5,
6296 config/i386/xm-dgux.h, config/i860/x-sysv4,
6297 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6298 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6299 config/m68k/x-hp320g, config/m69k/x-mot3300,
6300 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6301 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6302 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6303 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6304 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6305 config/mips/x-iris, config/mips/x-iris3,
6306 config/mips/x-sni-svr4, config/mips/x-sysv,
6307 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6308 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6309 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6310 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6311 config/pa/xm-papro.h, config/romp/xm-romp.h,
6312 config/rs6000/x-aix31, config/rs6000/x-aix41,
6313 config/rs6000/x-beos, config/rs6000/x-lynx,
6314 config/rs6000/x-mach, config/rs6000/x-rs6000,
6315 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6316 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6317 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6318 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6319 config/vax/xm-vms.h: Eradicate all references to alloca and
6322 * config/xm-alloca.h, config/clipper/x-clix,
6323 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6324 config/i860/x-sysv3, config/m88k/x-sysv3,
6325 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6326 (contained only alloca related hacks).
6328 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6331 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6333 * invoke.texi: Document __FAST_MATH__.
6335 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6337 * crtstuff.c: Restore include of auto-host.h.
6339 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6341 Put main() in a separate file, so that the language
6342 front-end can use a different main().
6345 * toplev.c: (main): Rename as toplev_main.
6346 * toplev.h: Declare toplev_main.
6347 * Makefile.in (OBJS): add toplev.o.
6348 (BACKEND): remove toplev.o, add main.o.
6350 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6352 * cppfiles.c (search_from): Special case the empty string.
6354 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6356 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6357 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6358 strlen or strcpy; we already know the length.
6359 (_cpp_compare_file_date): Similarly.
6360 * cpphash.h (struct cpp_reader): Delete done_initialising.
6361 (CPP_PREV_BUFFER): Delete.
6362 * cppinit.c (cpp_start_read): Don't set done_initialising.
6363 * cpplex.c (parse_string): Guarantee null-termination.
6364 (_cpp_equiv_toklists): Remove.
6365 * cpplib.c (glue_header_name): Null-terminate.
6366 (do_line): Don't leak memory.
6367 * cpplib.h (BT_WEAK): Delete.
6368 * cppmain.c (cb_ident): Strings are now null-terminated.
6370 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6372 * gcc.c (convert_filename): Append executable suffix
6373 if NO_AUTO_EXE_SUFFIX is not defined.
6374 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6375 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6377 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6379 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6380 * c-parse.gperf, c-gperf.h: Delete.
6381 (c-gperf.h was accidently re-added to the CVS repo in the rev
6382 1.16 commit by tromey)
6384 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6386 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6387 macro arguments when looking for the '('.
6388 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6389 2 when really parsing arguments; 1 when looking for '('.
6390 Always restore the lexer position.
6392 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6394 * longlong.h (umul_ppmm): Don't use a multiline string.
6396 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6398 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6399 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6400 t_bool in declaration because pcc can't combine volatile with typedef
6403 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6405 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6406 until when it is really needed.
6407 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6408 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6409 * i386.md (float?i?f splitter): Don't force source operand to memory
6411 (sse_movdfcc): Fix constraint.
6412 (sse_movdfcc splitter): Handle properly the second alternative.
6414 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6416 * cpplex.c (parse_string): Unconditionally pedwarn.
6418 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6421 * cppexp.c (parse_number): Update.
6422 * cpplex.c (parse_string): Pedwarn if multiline string does not
6423 result from a system header's macro.
6424 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6425 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6426 for function-like macros too.
6427 * c-lex.c (lex_number): Update.
6429 2001-03-03 Richard Henderson <rth@redhat.com>
6431 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6433 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6435 * combine.c (try_combine): If split with mode-changed scratch
6436 register didn't work, try the original mode.
6438 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6440 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6441 * config/c4x/c4x.h: Likewise.
6442 * stor-layout.c (compute_record_mode): Likewise.
6443 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6445 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6447 * configure.in: Kill tm.h. Include the files in the $tm_file
6448 list in all three of config.h, hconfig.h, tconfig.h, after the
6449 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6450 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6451 * configure: Regenerate.
6452 * Makefile.in (clean): Don't delete tm.h.
6454 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6455 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6456 those are not defined, set SEC and FEC to 0 and 1.
6457 * gcc.texi: Update to match.
6459 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6460 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6461 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6462 Include tconfig.h, not tm.h.
6464 * config/xm-lynx.h, config/xm-std32.h,
6465 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6466 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6467 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6468 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6469 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6470 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6471 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6472 config/i386/xm-i386.h, config/i860/xm-i860.h,
6473 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6474 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6475 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6476 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6477 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6478 config/pa/xm-linux.h, config/pa/xm-pa.h,
6479 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6480 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6481 config/pj/xm-pj.h, config/romp/xm-romp.h,
6482 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6483 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6484 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6485 config/v850/xm-v850.h, config/vax/xm-vax.h,
6486 config/we32k/xm-we32k.h:
6488 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6490 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6491 config/i370/xm-oe.h: Don't include tm.h. Don't define
6493 * config/vax/xm-vms.h: Don't include tm.h.
6495 * config/xm-lynx.h, config/avr/xm-avr.h,
6496 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6497 Delete; made empty by above changes.
6498 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6499 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6500 Don't include config/xm-lynx.h or tm.h.
6502 * config/xm-gnu.h: Don't include fcntl.h.
6503 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6505 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6507 2001-03-02 Richard Henderson <rth@redhat.com>
6509 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6510 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6512 2001-03-02 Richard Henderson <rth@redhat.com>
6514 * Makefile.in (OBJS): Add dwarf2asm.o.
6515 * dwarf2asm.c, dwarf2asm.h: New files.
6516 * dwarf2out.c (*): Use them.
6517 (size_of_uleb128, size_of_sleb128): Remove.
6518 (output_uleb128, output_sleb128): Remove.
6519 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6520 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6521 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6522 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6523 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6524 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6525 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6526 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6527 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6528 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6529 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6530 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6531 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6532 (dwarf2out_frame_debug): Remove unused variables.
6533 (output_loc_operands): Don't abort on 8 byte constants if
6534 host integers are wide enough.
6535 (output_symbolic_ref): Remove.
6536 (size_of_die): Don't assume 4 byte host integers.
6537 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6539 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6540 something stupid with HOST_WIDE_INT to long truncation.
6541 [CONST_DOUBLE]: Likewise.
6543 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6544 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6545 * config/arm/unknown-elf.h: Likewise.
6546 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6547 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6548 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6549 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6550 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6551 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6552 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6553 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6554 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6555 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6556 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6557 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6559 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6561 * cselib.c (hash_rtx): Cast enums to unsigned int.
6563 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6565 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6566 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6568 * c-format.c (C_STD_VER): Cast to int for comparisons.
6569 (check_function_format): Cast various enums to int for &.
6570 (maybe_read_dollar_number): Likewise.
6571 (check_format_info): Likewise.
6572 (check_format_info_main): Likewise.
6573 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6574 (safe_from_p): Likewise.
6575 * varasm.c (const_hash): Cast enum to int for %.
6576 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6577 pcc enum problems with < and ++ operators.
6578 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6579 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6580 (regclass_init): Change enum class to int to iterate over reg_classes.
6581 * genrecog.c (merge_trees): Cast enums for comparison.
6582 * rtl.h (GET_CODE): Cast to enum rtx_code.
6583 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6584 (GET_MODE): Cast to enum machine_mode.
6585 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6586 (GET_NOTE_INSN_NAME): Cast enum to int.
6587 * tree.h (TREE_CODE): Cast to enum tree_code.
6588 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6589 * timevar.c (timevar_print): Change loop variable id from enum to
6591 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6592 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6593 * toplev.c (compile_file): Cast enum DFI to int.
6594 (decode_d_option): Likewise.
6596 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6598 * cppinit.c (append_include_chain): Mark "after" include file name list
6599 as a system directory.
6600 * cpp.texi: Document new behavior.
6602 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6604 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6606 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6608 * cppfiles.c (struct include_file): Update.
6609 (stack_include_file): Use search_from.
6610 (cpp_included, find_include_file): Update.
6611 (cpp_execute_include): Update. ptr->name may not be
6612 null terminated. Use the new search_from member variable
6614 (_cpp_compare_file_date): Similarly.
6615 (search_from): New function, similiar to actual_directory.
6616 (actual_directory): Delete.
6617 (remap_filename): Update. loc->name may not be null terminated.
6618 (struct file_name_list): Rename search_path. Update.
6619 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6620 search_from and dir.
6621 (struct cpp_reader): Remove actual_dirs.
6622 * cppinit.c (struct cpp_pending): Update for renamed objects.
6623 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6624 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6625 * cpplib.h (struct cpp_options): Similarly.
6627 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6629 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6630 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6631 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6632 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6633 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6634 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6635 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6636 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6637 config/i370/xm-oe.h, config/i386/xm-aix.h,
6638 config/i386/xm-i386.h, config/i386/xm-osf.h,
6639 config/i860/xm-i860.h, config/i960/xm-i960.h,
6640 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6641 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6642 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6643 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6644 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6645 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6646 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6647 config/pj/xm-pj.h, config/romp/xm-romp.h,
6648 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6649 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6650 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6651 config/v850/xm-v850.h, config/vax/xm-vax.h,
6652 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6653 Do not define TRUE or FALSE.
6655 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6656 empty by above change.
6657 * config.gcc: Remove references to these files.
6659 * configure.in: Detect stdbool.h.
6660 * configure, config.in: Regenerate.
6661 * system.h: Include stddef.h here if available.
6662 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6663 Then set up a sensible boolean type at the very end.
6665 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6666 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6668 * hash.h: Delete 'boolean' typedef and related #undefs.
6670 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6671 all uses of 'boolean' with 'bool'.
6673 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6675 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6676 * cppexp.c (lex): Cast enums for comparison.
6677 * cppinit.c (parse_option): Cast enum for comparison.
6678 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6679 (cpp_output_token): Likewise.
6680 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6681 (cpp_avoid_paste): Cast enums for minus and comparison.
6683 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6685 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6686 field to all array elements.
6688 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6690 * cpphash.h (struct cpp_reader): Add print_version field.
6691 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6692 just set print_version and other flags as appropriate.
6693 (cpp_post_options): Print version here if print_version is set.
6695 * toplev.c (exit_after_options): New flag.
6696 (independent_decode_option): Don't exit here; just set
6698 (main): Exit after calling lang_hooks.post_options if
6699 exit_after_options is true.
6701 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6702 (merge_include_chains): Adjust comment to match code.
6704 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6706 * stringpool.c (set_identifier): New function.
6707 * tree.h: Prototype it.
6709 * c-parse.in: Kill D_YES. If compiled for objc, call
6710 save_and_forget_protocol_qualifiers from init_reswords.
6711 * objc/objc-act.c (remember_protocol_qualifiers,
6712 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6713 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6715 (save_and_forget_protocol_qualifiers): New function.
6716 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6718 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6720 * c-semantics.c (prune_unused_decls): Return error_mark_node
6721 instead of (tree) 1 to stop traversing the tree chain.
6723 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6725 Fix a problem introduced by Kenner's Feb 18 change.
6726 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6727 flag_cse_skip_blocks only temporarily, not for ever.
6729 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6731 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6732 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6734 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6735 before determining its register class.
6737 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6739 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6740 from reg 4 if current_function_calls_setjmp.
6741 (gen_nop_type): New function.
6742 (ia64_emit_nops): New function.
6743 (ia64_reorg): Call it.
6744 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6746 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6747 code not to try to optimize adds with anything but a REG destination.
6749 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6750 (INSN_PRIORITY_KNOWN): New accessor macro.
6751 * haifa-sched.c (priority): Use it instead of testing priority against
6754 2001-02-28 DJ Delorie <dj@redhat.com>
6756 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6757 since that doesn't work the way gcc wants on a generic m68k.
6759 2001-02-28 Richard Henderson <rth@redhat.com>
6761 * caller-save.c (save_call_clobbered_regs): Fix typo in
6762 comparison last change.
6764 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6766 * i386.c (pentium4_cost): New.
6767 (m_PENT4): New macro.
6768 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6769 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6770 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6771 x86_memory_mismatch_stall): Add Pentium4
6772 (x86_use_q_reg, x86_use_any_reg): Kill.
6773 (override_options): Add pentium4.
6774 (incdec_operand): Return 0 for pentium4.
6775 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6776 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6777 (TARGET_PENTIUM4): Define.
6778 (enum processor_type): Add PROCESSOR_PENTIUM4.
6779 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6780 * i386.md (attribute "cpu"): Add pentium4.
6781 * invoke.texi (march): Add pentium4.
6783 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6785 * i386.md (sse_mov?fcc*): New patterns and splitters.
6786 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6787 the SSE based conditional moves.
6789 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6791 * i386.md (attribute mode): Add "TI".
6792 (movsf_1): Add pxor support; remove constant propagation splitter.
6793 (movdf_integer): Likewise.
6794 (movdf_nointeger): Likewise.
6795 (movxf constant prop splitter): Handle all modes; update for SSE.
6796 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6797 * i386.c (standard_80387_constant_p): Rewrite.
6798 (standard_sse_constant_p): New.
6799 * i386-protos.h (standard_sse_constant_p): New.
6801 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6803 * i386.md (sse_setccsf, sse_setccdf): New.
6804 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6806 * i386.c (sse_comparison_operator): Accept the supported unordered
6807 comparses; be ready for fast_math.
6808 (print_operand): Support 'D'.
6810 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6812 * jump.c (reversed_comparison_code): Kill.
6814 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6816 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6819 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6821 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6822 add missing '%' in constraints.
6824 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6826 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6827 for HOST_BITS_PER_WIDE_INT == 32 too.
6829 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6831 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6833 (insert_save, insert_restore): New parameter save_mode.
6834 (init_caller_save): Update initialization of reg_save_code
6835 and reg_restore_code.
6836 (save_call_clobbered_regs): Compute save_modes and update calls to
6837 reg_save_code and reg_restore_code.
6838 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6839 of spill; update use of reg_restore_code.
6840 (insert_save): Likewise.
6841 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6842 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6843 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6845 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6847 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6848 noce_try_store_flag_inc, noce_try_store_flag_mask,
6849 noce_try_cmove_arith):
6850 Use reversed_comparison_code instead of reverse_comparison and
6851 can_reverse_comparison_p.
6853 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6855 * jump.c (reversed_comparison_code_parts): Allow reversal of
6856 unordered compares in -ffast-math mode; reverse ordered compares
6857 for FP even w/o -ffast-math.
6859 2001-02-27 Richard Henderson <rth@redhat.com>
6861 * print-rtl.c (print_rtx) [i]: Don't print field five on
6862 NOTEs other than NOTE_INSN_DELETED_LABEL.
6864 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6866 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6867 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6869 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6871 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6872 even if walk_subtrees is 0.
6873 * c-semantics.c (prune_unused_decls): Return a non-null value to
6874 stop traversing the tree chain.
6876 2001-02-27 DJ Delorie <dj@redhat.com>
6878 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6879 register, *then* define it as the new CFA.
6881 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6883 * pa.c (override_options): Promote -fpic to -fPIC.
6884 (legitimize_pic_address): Simplify due to removal of
6885 small PIC as a code generation option.
6886 (secondary_reload_class): Similarly.
6887 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6888 (PRINT_OPERAND_ADDRESS): Similarly.
6889 * pa.md (various patterns): Similarly.
6890 (small pic lo_sum pattern): Remove.
6892 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6895 * md.texi (min, max): Document
6897 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6899 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6900 TARGET_PARTIAL_REG_DEPENDENCY.
6901 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6903 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6905 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6907 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6909 * mips.c (mips_make_temp_file): Fix thinko in last change.
6911 2001-02-26 Jason Eckhardt <jle@redhat.com>
6913 * combine.c (known_cond): Do not reverse the condition when
6914 SMAX/UMAX is being considered and the condition is for equality
6917 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6919 2001-02-26 Philip Blundell <philb@gnu.org>
6921 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6923 * config/arm/linux-elf.h: Remove historical relics related to
6924 above configurations.
6925 * config/arm/linux-oldld.h: Delete.
6926 * config/arm/linux-elf26.h: Delete.
6928 2001-02-26 Jason Merrill <jason@redhat.com>
6930 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6932 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6933 recognize a tentative definition. Lose obsolete code.
6935 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6936 variables unless necessary, either.
6938 2001-02-25 Richard Henderson <rth@redhat.com>
6940 * ifcvt.c (struct noce_if_info): Add test_bb.
6941 (noce_get_alt_condition): New.
6942 (noce_try_minmax, noce_try_abs): New.
6943 (noce_operand_ok): New.
6944 (noce_process_if_block): Use them.
6945 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6947 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6949 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6952 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6954 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6955 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6957 (mips_asm_file_end): Free temp_filename here.
6959 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6961 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6962 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6964 * config/i386/i386.md (movstrsi): Handle FAIL case.
6966 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6968 * cppinit.c (builtin_array): Update.
6969 (init_builtins): Flag builtins to warn if redefined or
6970 undefined. Define __GXX_WEAK as a normal macro.
6971 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6972 * cpplib.h (NODE_WARN): New flag.
6973 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6974 Handle __STDC__ as a builtin only on Solaris.
6975 (warn_of_redefinition): Renamed from check_macro_definition.
6976 Reverse sense of test. Always warn if NODE_WARN.
6977 (_cpp_create_definition): Use warn_of_redefinition. Flag
6978 any macro beginning with "__STDC_" to require a mandatory
6979 warning if redefined or undefined.
6981 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6983 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6984 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6985 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6986 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6987 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6988 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6989 Don't define any of:
6990 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6991 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6992 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6993 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6994 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6996 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6997 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
7000 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
7001 Delete now-empty file.
7003 * alpha/vms.h: Define NEED_ATEXIT here...
7004 * alpha/xm-vms.h: ...not here.
7006 * i386/cygwin.h: Don't define PARAMS.
7007 * mips/mips.c: Don't prototype mktemp. Don't define
7008 P_tmpdir. Use make_temp_file to create temporary files.
7009 Don't be clever and delete temporary files early.
7010 * config.gcc: Drop references to deleted files. Don't define
7012 * gcc.texi: Don't mention USE_PROTOTYPES.
7014 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7016 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
7017 (ix86_set_move_mem_attrs_1): Likewise.
7018 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
7019 * config/i386/i386.md (movstrsi): Call it.
7021 2001-02-24 Zack Weinberg <zackw@stanford.edu>
7023 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
7024 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
7025 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
7026 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
7028 (i750a-*-*): Error here if hosting on i750a.
7029 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
7031 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
7032 Remove (empty modulo comments).
7034 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
7035 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
7036 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
7037 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
7038 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
7039 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
7041 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
7042 Remove reference to winnt.h in comment.
7043 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
7045 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7047 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
7048 used to set another biv.
7050 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7052 * tree.h (BLOCK_DEAD): New macro.
7053 (struct tree_block): New flag, dead_flag.
7054 * print-tree.c (print_node, case 'b'): Print missing fields.
7055 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
7056 * function.c (identify_blocks): Enable test for misplaced notes.
7057 (all_blocks): Skip BLOCK_DEAD blocks.
7058 * integrate.c (integrate_decl_tree): Likewise.
7060 * errors.c (internal_error, trim_filename): New functions.
7061 (fancy_abort): Call internal_error.
7062 * errors.h (internal_error, trim_filename): New declarations.
7064 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
7066 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
7068 (EXTRA_CONSTRAINT): Formatting changes.
7070 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7072 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
7074 2001-02-23 Per Bothner <per@bothner.com>
7076 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
7077 so they can be called from java/jvspec.c.
7078 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
7080 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
7082 * i386.c (ix86_frame): New structure.
7083 (ix86_compute_frame_size): Kill.
7084 (ix86_compute_frame_layout): New.
7085 (ix86_save_reg): New.
7086 (ix86_can_use_return_insn_p): Use frame layout stuff.
7087 (ix86_expand_prologue): Likewise.
7088 (ix86_expand_epilogue): Likewise.
7089 (ix86_initial_elimination_offset): Likewise.
7090 (ix86_nsaved_regs): Use ix86_save_reg.
7091 (ix86_emit_save_regs): Likewise.
7093 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
7095 * flow.c (find_sub_basic_blocks): New function.
7096 (split_block): Be ready for basic block introduced by CODE_LABEL.
7097 (commit_one_edge_insertion): Call find_sub_basic_block.
7099 * flow.c (make_edges): Add edge from entry for blocks starting with
7100 label having ALTERNATE_NAME
7102 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7104 * function.c (epilogue_done): Be ready for first basic block not
7105 containing PROLOGUE_END note.
7106 (reposition_prologue_and_epilogue_notes): Avoid placing
7107 PROLOGUE_END note between BASIC_BLOCK.
7109 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7111 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7113 2001-02-21 DJ Delorie <dj@redhat.com>
7115 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7116 check for current_function_has_nonlocal_goto from 1999-11-12.
7118 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7120 * diagnostic.c (trim_filename): No longer static.
7121 * toplev.h (trim_filename): Declare.
7122 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7123 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7124 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7125 (rtvec_check_failed_bounds): Likewise.
7126 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7128 * convert.c (convert_to_integer): Don't do unsigned unless result or
7129 both inputs are unsigned.
7131 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7134 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7136 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7138 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7140 * Makefile.in (resource.o): Add params.h dependence.
7141 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7142 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7143 * resource.c: Add dependence on params.h.
7144 (current_live_regs): Fix explanatory comment.
7145 (find_basic_block): Add new parameter to permit limiting search
7147 (mark_target_live_regs): Add new argument to find_basic_block call.
7148 (incr_ticks_for_insn): Likewise.
7150 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7152 * diagnostic.c (output_to_stream): Rename to
7153 output_buffer_to_stream. Loses the stream parameter.
7154 (init_output_buffer): Set diagnosic_buffer's stream.
7155 (flush_diagnostic_buffer): Adjust.
7156 (default_print_error_function): Likewise.
7157 (finish_diagnostic): Likewise.
7158 (verbatim): Likewise.
7160 * diagnostic.h (struct output_buffer): Add `stream' field.
7161 (output_buffer_attached_stream): New macro.
7163 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7165 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7166 check if either operand is divisible by C.
7167 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7168 If type is signed, consider negative numbers as well.
7170 2001-02-22 Richard Henderson <rth@redhat.com>
7172 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7173 reach .text instead of gp-relative relocs.
7174 * config/ia64/crtend.asm (.init): Likewise.
7176 2001-02-22 Andreas Jaeger <aj@suse.de>
7178 * extend.texi (C++ Attributes): Fix typo.
7180 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7182 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7183 functions, drop current_function_args_info.words test.
7184 (ia64_compute_frame_size): Mark syscall_linkage functions as
7185 using eight input registers.
7187 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7188 Bruce Korb <bkorb@gnu.org>
7190 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7191 * fixinc/README: Document how to convert sed substitutions
7192 to format style c_fix-es.
7193 * fixinc/fixincl.x: regen
7195 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7197 * gcc.c: Add comment explaining how to add a command-line option.
7198 Add title to specs language comment.
7200 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7202 * gcc.c (cc1_options): Add "-param".
7203 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7204 (option_map): Likewise.
7205 * toplev.c (display_help): Add entry for "--param".
7206 (independent_decode_option): Fix typographical error.
7208 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7209 Bernd Schmidt <bernds@redhat.com>
7210 Jan Hubicka <jh@suse.cz>
7212 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7213 (function_arg): Likewise.
7215 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7217 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7219 2001-02-21 Kazu Hirata <kazu@hxi.com>
7221 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7225 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7227 * flow.c (init_propagate_block_info): Canon address and use single_set
7228 for killing dead memory stores.
7230 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7232 * Makefile.in (reorg.o): Add params.h dependence.
7233 * params.def: Fix typographical error in comment.
7234 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7235 * params.h: Modify introductory comment.
7236 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7237 * reorg.c: Add dependence on params.h.
7238 (redundant_insn): Add parameterized throttle for search.
7239 (fill_simple_delay_slots): Add a comment explaining a variable.
7240 Move conditional out of loop, simplifying code.
7241 (fill_eager_delay_slots): Fix typographical error in comment.
7243 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7245 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7247 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7248 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7250 2001-02-21 Jason Merrill <jason@redhat.com>
7252 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7253 (struct tree_decl): Add uninlinable bitfield.
7254 * c-decl.c (duplicate_decls): Set it.
7255 * integrate.c (function_cannot_inline_p): Check it.
7257 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7258 DW_AT_MIPS_linkage_name to abstract methods.
7259 (dwarf2out_abstract_function): Emit class context before calling
7260 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7261 (gen_subprogram_die): Remove obsolete code.
7262 (gen_member_die): Don't include clones in the member list.
7263 (gen_decl_die): Emit abstract info for clone origin.
7264 * dwarfout.c (output_type): Don't include clones in the member list.
7265 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7266 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7267 DECL_ABSTRACT on a function that already has it set.
7269 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7270 (get_subprogram_die): Pass it in.
7272 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7274 * flow.c (mark_set_1): Make not_dead unsigned long. For
7275 non-pseudos, use it as a bitmask of the hard regs that
7278 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7280 * cppfiles.c: Update comments.
7281 (_cpp_read_file): Don't check for NULL filenames any more.
7282 * cppinit.c (cpp_start_read): Don't do canonicalization of
7283 in_fname and out_fname. Use the passed file name exclusively.
7284 (_cpp_handle_options): Don't treat "-" as a command line option,
7285 but as a normal filename.
7286 (_cpp_post_options): Canonicalize in_fname and out_fname.
7287 * cppmain.c (printer_init): Don't check out_fname for NULL.
7288 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7289 (init_c_lex): Update, and use "" to represent stdin to CPP.
7292 2001-02-20 Will Cohen <wcohen@redhat.com>
7294 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7295 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7296 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7299 2001-02-20 Stan Shebs <shebs@apple.com>
7301 * config/rs6000/rs6000.c (output_cbranch): Output branches
7302 on separate lines instead of using ';' to separate.
7304 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7306 * cppinit.c (set_lang): Move builtin handling to...
7307 (init_builtins): ...here.
7308 (_cpp_create_reader): Move call to set_lang.
7310 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7312 * stmt.c (expand_return): If an attempt is made to return the
7313 error_mar_node, treat the return like a return without a value.
7315 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7317 * sibcall.c (skip_copy_to_return_value): Call
7318 identify_call_return_value here, and return orig_insn if it
7319 returns zero. Hardret and softret arguments now unnecessary.
7320 (call_ends_block_p): Don't call identify_call_return_value here.
7322 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7324 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7325 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7327 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7329 * pa.c (move_operand): Accept code to load the address of a
7330 symbol out of the DLT as a valid move operand.
7331 (print_operand, case 'A'): New to handle generating a DLT
7332 reference for a LO_SUM expression.
7333 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7334 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7336 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7338 * README, cpp.texi, gcc.texi, version.c: Update version number to
7340 * cpp.1, gcov.1, gcc.1: Regenerate.
7342 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7344 * cppfiles.c (stack_include_file): Generate dependencies
7345 here, and manage include_count here too.
7346 (PRINT_THIS_DEP): Delete.
7347 (_cpp_execute_include): Do not generate dependencies here,
7348 apart from the case of a missing header. Do not manage
7350 (_cpp_read_file): Leave dependency generation to
7353 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7355 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7356 target_cpu_default. Remove dead assignment to
7359 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7361 * regclass.c (contains_reg_of_mode): Make global.
7362 (init_reg_sets): Remove contains_reg_of_mode; take into account
7363 CLASS_MAX_NREGS when looking for the proper mode.
7364 (dump_regclass): Dump only classes considered for the pseudo.
7365 (regclass): Use contains_reg_of_mode.
7367 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7369 * gcc.c (do_spec_1): 'n' for printing notices.
7370 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7372 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7374 * reg-stack.c (next_flags_user): Use current_block->end
7375 (swap_rtx_condition): Look for next user if flags don't die;
7376 give up on CALL_INSNs; use current_block->end.
7378 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7380 * sibcall.c (call_ends_block_p): New function.
7381 (optimize_sibling_and_tail_recursive_call): Use it.
7383 2001-02-18 Kazu Hirata <kazu@hxi.com>
7385 * config/h8300/h8300.md: Update copyright.
7386 (andsi3): Do not output an extra newline character.
7388 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7390 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7391 FNDECL may be unused.
7393 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7394 follow jumps after first run.
7395 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7396 it doesn't change any jumps.
7398 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7400 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7401 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7402 (mostlyclean): Corresponding changes.
7403 * rtlanal.c (hard-reg-set.h): Include.
7404 (rtx_unstable_p): Do not treat the argument pointer specially
7405 if it is not a fixed register.
7406 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7408 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7410 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7411 against last real insn in basic block.
7412 Rework to avoid gotos.
7414 * Makefile.in (gcse.o): Now includes ggc.h.
7415 * gcse.c: Include ggc.h.
7416 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7417 (try_replace_reg): Remove warning of uninitialize variable.
7418 (process_insert_insn): Call invalid_insn_p to validate insn.
7419 * recog.c (insn_invalid_p): Now global.
7420 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7421 * recog.h (insn_invalid_p): New declaration.
7423 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7425 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7426 assignments from FP constants since 'Y' output code can't handle it.
7427 (eligible_for_sibcall_delay): Likewise.
7429 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7430 Call fancy_abort directly, passing args.
7431 (print_rtl_and_abort): Now a macro, like fancy_abort.
7433 * final.c (output_operand_lossage): Use internal_error, not error.
7435 2001-02-18 Shane Nay <shane@agendacomputing.com>
7437 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7438 structure shift insns.
7440 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7442 * invoke.texi (-fsquangle): Remove documentation.
7443 (-fname-mangling-version): Likewise.
7445 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7447 * optabs.c (expand_abs): Remove reference to
7448 HAVE_contitional_arithmetic.
7449 * combine.c (simplify_set): Likewise.
7451 2001-02-18 Richard Henderson <rth@redhat.com>
7453 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7456 2001-02-18 Richard Henderson <rth@redhat.com>
7458 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7460 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7462 * reload1.c (reload_cse_simplify_set): Fix typo.
7464 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7466 * diagnostic.c (_fatal_insn): Decrement errorcount.
7468 * invoke.texi (-I): Add note avoiding use for system header files.
7470 * rtl.h (add_clobbers): Remove duplicate declaration.
7471 * recog.h (added_clobbers_hard_reg_p): New declaration.
7472 * genemit.c (struct clobber_pat): New field has_hard_reg.
7473 (gen_insn): Record if added clobbers clobber hard reg.
7474 (gen_split): Avoid unused warning if number of operands is 0.
7475 (output_added_clobbers_hard_reg_p): New function.
7478 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7480 * pa.c (hppa_expand_prologue): Simplify code storing return
7481 pointer. For large (>=8k) frames with a post_store, adjust stack
7482 pointer by 8k-64 first rather than by 64. When testing with
7483 VAL_14_BITS_P, always use the actual value rather than the value
7484 negated. Add blockage to prevent scheduling of spills before
7485 stack frame has been created.
7486 (hppa_expand_epilogue): Simplify code loading return pointer.
7487 Allow a slightly larger range for merge_sp_adjust_with_load case.
7488 When testing with VAL_14_BITS_P, always use the actual value.
7490 * pa.c (pa_adjust_insn_length): Check that block move
7491 pattern is a set before looking at operands.
7493 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7495 * fold-const.c (fold_binary_op_with_conditional_arg): New
7496 function, split out from ...
7498 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7499 conditional arms that throw exceptions.
7501 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7504 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7506 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7507 define HAVE_DECL_* to 1 to mask potential backup declarations.
7508 * configure: Regenerated.
7510 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7512 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7514 2001-02-17 Richard Henderson <rth@redhat.com>
7516 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7517 when replacing a memory load with a register.
7519 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7520 Jan Hubicka <jh@suse.cz>
7522 * recog.c (validate_replace_src_1): New.
7523 (validate_replace_src_data): Likewise.
7524 (validate_replace_src): Use note_uses.
7525 * rtl.h (note_uses): Declare.
7526 * rtlanal.c (note_uses): New.
7528 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7530 * reg-stack.c (stack_def): Make field reg unsigned.
7531 (remove_regno_note): Unsignetize parameter.
7533 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7535 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7536 shladd_operand() call.
7538 2001-02-16 Bruce Korb <bkorb@gnu.org>
7539 Rodney Brown <RodneyBrown@mynd.com>
7541 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7542 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7543 machine restrictions
7544 * fixinc/fixincl.x: regen
7546 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7548 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7550 (hash_scan_insn): Clean up calls to hash_scan_set.
7551 (compute_kill_rd): REGNO now unsigned.
7552 (try_replace_reg): Rework to use simplify_replace_rtx.
7553 (cprop_jump, cprop_cc0_jump): Likewise.
7554 (cprop_insn): Call find_reg_equal_equiv_note.
7555 Reflect changes to cprop_jump and cprop_cc0_jump.
7557 * recog.c (validate_replace_src): Replace in operands of
7558 ZERO_EXTRACT in SET_DEST.
7560 * cse.c (new_label_ref): New variable.
7561 (insert): Set it instead of recorded_label_ref.
7562 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7563 CODE_LABEL for this function, and not already in REG_LABEL note.
7565 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7567 * resource.c (mark_referenced_resources): Fix typo in introductory
7569 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7572 2001-02-16 Jason Merrill <jason@redhat.com>
7574 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7576 (gen_subprogram_die): Don't abort on seeing a second definition if
7577 the previous one was abstract. Don't replace an abstract instance
7578 in the lookup table.
7580 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7581 gen_abstract_function.
7582 * dwarf2out.h: Declare it.
7583 * toplev.c (note_outlining_of_inline_function): New fn.
7584 * toplev.h: Declare it.
7585 * integrate.c (output_inline_function): Call it.
7586 * c-decl.c (duplicate_decls): Call it when redefining an extern
7587 inline. Don't inline the new defn.
7589 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7591 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7593 * .gdbinit: Rename to gdbinit.in.
7594 * gdbinit.in: New file,
7595 * configure.in: Generate .gdbinit from gdbinit.in.
7596 * configure: Regenerated.
7597 * Makefile.in (distclean): Always remove .gdbinit.
7599 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7601 * objc/objc-act.c (start_class): Register implemented_classes with
7604 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7606 * cppfiles.c (_cpp_make_system_header): Generate a file
7609 2001-02-15 Jim Meyering <meyering@lucent.com>
7611 * Makefile.in (install-common): Don't depend on installdirs here.
7612 Instead, make each of the lang.install-common targets (e.g.,
7613 c++.install-common in cp/Make-lang.in) depend on it.
7614 (install-driver): Depend on installdirs.
7616 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7618 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7620 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7623 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7625 * invoke.texi (--param): Document.
7627 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7629 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7631 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7633 * i386.md (extendsfdf2_2): Fix constraints.
7635 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7637 * i386.md (fop_df_3 splitter): Fix operand number.
7639 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7641 * invoke.texi (-mreg-alloc): Nuke.
7642 * i386.c (ix86_reg_alloc_order, regs_allocated,
7643 order_regs_for_local_alloc): Nuke.
7644 (override_options): Kill reg_alloc code.
7645 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7646 (REG_ALLOC_ORDER): SSE goes before I387.
7647 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7648 (ix86_reg_alloc_order): Likewise.
7649 * i386-protos.h (ix86_reg_alloc_order): Kill.
7651 2001-02-14 Richard Henderson <rth@redhat.com>
7653 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7655 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7657 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7659 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7661 * i386-protos.h (ix86_memory_move_cost): Move offline.
7662 * i386.c (ix86_register_move_cost): Compute properly cost of
7663 SSE, MMX and i387 instructions.
7664 (*_cost): Add costs of SSE/MMX moves.
7665 (ix86_memory_move_cost): Move offline from ....; Likewise.
7666 * i386.h (MEMORY_MOVE_COST): .... here;
7667 (struct processor costs): Add new fields to represent costs
7670 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7672 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7673 move_cost together with Matt Kraai's fix.
7675 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7677 * Makefile.in (OBJS): Add params.o.
7679 2001-02-14 Richard Henderson <rth@redhat.com>
7680 DJ Delorie <dj@redhat.com>
7682 * jump.c (jump_optimize_1): When we delete a conditional jump
7683 preceeding a non-conditional jump to effectively the same place,
7684 make sure that the combined jump skips any clobber insns between
7687 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7689 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7691 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7693 * Makefile.in (toplev.o): Depend on params.h.
7694 (intergate.o): Likewise.
7695 (params.o): New target.
7696 * flags.h (inline_max_insns): Remove.
7697 * integrate.c: Include params.h.
7698 Use MAX_INLINE_INSNS instead of inline_max_insns.
7699 * params.c: New file.
7700 * params.h: Likewise.
7701 * params.def: Likewise.
7702 * toplev.c: Include params.h.
7703 (lang_independent_params): New variable.
7704 (decode_f_option): Use the param machinery instead of setting
7706 (independent_decode_option): Handle "--param name=value".
7707 (main): Register language-independent parameters.
7709 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7711 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7713 2001-02-14 Richard Henderson <rth@redhat.com>
7715 * regclass.c (init_reg_sets_1): Revert last two changes.
7717 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7719 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7720 (variable_size): Call put_pending_size.
7721 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7722 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7723 sizes list, put newly created SAVE_EXPR there as well.
7725 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7727 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7728 (errata_find_address_regs): load_group has only 2 entries.
7729 (errata_emit_nops): Likewise. shladd is not problematic.
7730 Clear last_group if nop was emitted.
7731 (fixup_errata): load_group has only 2 entries.
7734 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7736 * c-lex.c (lex_number): Only warn traditionally for U suffix
7737 outside system macros.
7738 * cppexp.c (parse_number): Similarly.
7739 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7740 * cppmacro.c (struct cpp_macro): New member node.
7741 (parse_args): Only warn about missing rest args if not
7743 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7744 (cpp_sys_objmacro_p): New.
7745 (_cpp_create_definition): Store the node with the macro defn.
7746 Remember if the macro is defined in a system header.
7748 2001-02-13 DJ Delorie <dj@redhat.com>
7750 * configure.in (check_languages): determine languages to check
7751 * Makefile.in (check-c++): alias for check-g++
7752 (check-f77): alias for check-g77
7753 (CHECK_TARGETS): depend on configured languages
7755 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7757 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7758 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7759 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7760 (sqrtextendsfdf2): Disable for SSE2.
7762 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7764 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7765 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7766 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7767 (sqrtextendsfdf2): Disable for SSE2.
7769 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7771 * i386.md (movsfcc_1): Support integer cmove instruction.
7772 (movdfcc_1): Likewise; new splitter.
7774 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7776 * i386.c (output_fp_compare): Support SSE.
7777 (prepare_fp_compare_args): SSE comparisons always support memory.
7778 * i386.h (TARGET_CMOVE): SSE imply cmove.
7779 * i386.md (cmp?f2): Enable for SSE too.
7780 (cmpfp_i*): Support SSE.
7782 (cmpfp_i_sse_only): New.
7783 (s*, b* fp expanters): Enable for SSE too.
7784 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7787 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7789 * regclass.c (init_reg_sets_1): Silence warning.
7791 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7793 * i386.md (sqrt?f2): Change to expander.
7794 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7796 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7798 * rtlanal.c (find_reg_equal_equiv_note): New function.
7799 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7800 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7801 * rtl.h: Add declarations for above functions.
7803 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7805 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7807 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7808 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7809 * flow.c (mark_regs_live_at_end): Likewise.
7810 (calculate_global_regs_live): Likewise.
7811 * gcse.c (compute_hash_table): Likewise.
7812 (compute_kill_rd): Likewise.
7813 * resource.c (mark_target_live_regs): Likewise.
7814 * rtl.h (INVALID_REGNUM): New macro.
7816 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7818 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7820 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7822 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7825 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7827 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7829 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7830 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7831 (fop_sf_1_sse, fop_df_1_sse): New patterns
7832 (fop_*): Disable float_extend and float patterns for SSE compilation.
7833 * i386.c (output_387_binary_op): Support SSE.
7835 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7837 * i386.md (dummy_extendsfdf2): Support SSE2
7838 (extendsfdf2): Enable if 80387 or SSE2.
7839 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7840 and no MIX_I387_SSE2
7841 (extendsfdf2_1_sse_only): New pattern.
7842 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7844 (truncdfsf2_1): Support SSE.
7845 (truncdfsf2_2): Support SSE.
7846 (truncdfsf2_2_1_sse): New pattern.
7847 (fixtruncsfsi2): Always use SSE if available.
7848 (fix_truncsfsi_sse): New pattern.
7849 (fix_truncdfsi_sse): New pattern.
7850 (floatsis?f2): Support SSE.
7851 (floatsidf2_i387): New pattern.
7852 (floatsidf2_sse): Likewise.
7854 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7856 * configure.in: Use "have_gnat" variable, not "gnat".
7857 * configure: Regenerated.
7859 * config/sparc/sparc.c (function_value): Treat all non-record
7860 aggregate types like used to treat UNION_TYPE.
7862 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7864 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7865 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7867 (MASK_MIX_SSE_I387): New.
7868 (TARGET_SSE): SSE2 imply SSE.
7869 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7870 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7871 (enum reg_class): Add new classes.
7872 (REG_CLASS_NAMES): Likewise.
7873 (REG_CLASS_CONTENTS): Likewise.
7874 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7875 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7876 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7877 (CLASS_MAX_NREGS): Use new macros.
7878 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7879 * i386.md (pushsf, movsf): Support SSE.
7880 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7881 splitters to use ANY_FP_REGNO_P.
7882 (movdf_nointeger, movdf_integer): Likewise.
7884 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7886 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7887 (try_combine): Use it.
7889 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7891 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7892 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7893 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7894 (REGISTER_MOVE_COST): Likewise.
7895 * i386-protos.h (ix86_secondary_memory_needed,
7896 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7897 * i386.c (ix86_secondary_memory_needed,
7898 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7900 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7902 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7903 (HARD_REGNO_MODE_OK): Move offline to ....
7904 * i386.c (ix86_hard_regno_mode_ok) ... here;
7905 refuse all incorrect modes.
7906 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7908 2001-02-13 Richard Henderson <rth@redhat.com>
7910 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7911 entire operator; replicate that and match_dup the operands.
7912 (cmp_ccx_arith_op_set): Likewise.
7913 (cmp_cc_arith_op_not_set): Likewise.
7914 (cmp_ccx_arith_op_not_set): Likewise.
7916 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7918 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7920 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7922 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7923 (TARGET_NO_BITFIELD_WORD): New macro.
7924 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7925 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7927 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7929 * cselib.c: New file, from simplify-rtx.c.
7930 * simplify-rtx.c: Remove cselib parts.
7931 * Makefile.in: Add cselib.o.
7933 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7935 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7936 (setup_incoming_varargs): Remove warning.
7938 * config/rs6000/rs6000.c (validate_condition_mode): When
7939 flag_fast_math, allow floating-point conditionals to be reversed.
7940 (rs6000_generate_compare): When flag_fast_math, don't generate
7941 cror operations for FP conditionals.
7943 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7945 (ASM_SPEC): Likewise.
7946 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7947 (CC1_SPEC): Likewise.
7948 (LINK_TARGET_SPEC): Likewise.
7949 (CPP_ENDIAN_SPEC): Likewise.
7950 * Makefile.in (check-consistency): New target.
7952 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7954 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7955 "return type defaults" warning for functions with return type
7957 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7958 function declarations by default rather than only when pedantic.
7960 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7962 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7965 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7967 * extend.texi (Deprecated): Deprecate new initializer lists.
7969 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7971 * mkdeps.c (deps_add_default_target): Robustify. Add
7972 basename component only.
7973 * cpp.texi (-M): Describe how default target is generated.
7974 * invoke.texi (-M): Likewise.
7976 2001-02-12 Kazu Hirata <kazu@hxi.com>
7978 * toplev.c (push_float_handler): Remove.
7979 (pop_float_handler): Remove.
7980 * toplev.h: Remove prototypes for the above functions.
7982 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7984 * c-common.c (constant_fits_type_p): New function.
7985 (convert_and_check): Use it.
7987 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7989 * Makefile.in (GXX_ABI_FLAG): Don't define.
7990 * configure.in (--enable-new-gxx-abi): Remove option.
7991 * config.in: Regenerated.
7992 * configure: Likewise.
7994 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7996 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7998 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7999 regular basic block, and arrange for all edges into it to switch
8002 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8004 * Makefile.in (distclean): Do not remove .gdbinit.
8006 2001-02-11 Mark Mitchell <mark@codesourcery.com>
8008 * Makefile.in (gcc.o): Fix typos.
8009 (protize.o): Likewise.
8010 (unprotoize.o): Likewise.
8012 2001-02-11 Richard Henderson <rth@redhat.com>
8014 * tree.c (build1): Check for null operand in last change.
8016 2001-02-11 Richard Henderson <rth@redhat.com>
8018 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
8019 (fold): Don't assume a constant isn't foldable.
8020 * tree.c (build): Set TREE_CONSTANT for an expression with no
8021 side-effects and constant operands.
8024 2001-02-10 Richard Henderson <rth@redhat.com>
8026 * jump.c (squeeze_notes): Revert 2000-05-12 change.
8028 2001-02-10 Anthony Green <green@redhat.com>
8030 * cpp.texi (Standard Predefined): Add documentation for
8033 * c-common.c (combine_strings): Improve warning message.
8035 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
8037 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
8039 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
8041 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
8043 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
8046 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
8048 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
8051 2001-02-09 Nick Clifton <nickc@redhat.com>
8053 * config/arm/arm.md: Change output contraint on post inc
8054 load/store multiple patterns to be a read/write contraint.
8056 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
8058 * gcc.c (cpp_options): Delete .d files on error. Don't delete
8059 .o files when using the -M options.
8061 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8062 David Edelsohn <edelsohn@gnu.org>
8064 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
8065 handle DImode constants. Use one TOC entry for SImode and smaller
8066 constants, aligned properly.
8068 2001-02-08 Jason Merrill <jason@redhat.com>
8070 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
8071 about the SP adjustment for saving the static chain pointer.
8072 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
8073 offset when setting a temporary CFA register.
8075 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
8077 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
8078 powerpc-*-chorusos* .
8079 * config/rs6000/chorus.h : New file.
8080 * config/i386/chorus.h : New file.
8081 * config/sparc/chorus.h : New file.
8082 * config/sparc/t-chorus-elf : New file.
8084 2001-02-08 David Edelsohn <edelsohn@gnu.org>
8086 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
8087 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
8088 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
8089 (__WCHAR_TYPE__): Correct macro name.
8091 2001-02-08 Richard Henderson <rth@redhat.com>
8093 * config/i386/i386.c (ix86_frame_pointer_required): New.
8094 (ix86_setup_frame_addresses): New.
8095 (struct machine_funciton): Add accesses_prev_frame.
8096 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
8097 ix86_frame_pointer_required.
8098 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
8099 (SETUP_FRAME_ADDRESSES): New.
8100 * config/i386/i386-protos.h: Update.
8101 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8102 from FRAME_POINTER_REQUIRED.
8103 * config/i386/svr3gas.h: Likewise.
8104 * config/i386/sysv3.h: Likewise.
8105 * config/i386/v3gas.h: Likewise.
8107 2001-02-08 Richard Henderson <rth@redhat.com>
8109 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8110 calculation of the number of integer registers required.
8111 (function_arg_record_value): Likewise.
8113 2001-02-08 Jason Merrill <jason@redhat.com>
8115 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8116 two. Print file and line with "confused" message.
8118 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8120 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8122 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8124 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8126 * final.c (cleanup_subreg_operands): The address of a MEM can
8129 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8132 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8134 * gcc.texi (Incompatibilities): Update documentation of
8135 preprocessing numbers.
8137 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8139 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8141 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8143 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8145 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8146 * gcc.c (struct compiler): Add cpp_spec field.
8147 (input_file_compiler): New variable.
8148 (do_spec_1): Allow a particular compiler to handle `%C'
8150 (main): Store the current compiler in input_file_compiler.
8151 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8153 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8155 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8156 * cppinit.c (cpp_create_reader): Initialize them.
8157 (append_include_chain): cxx_aware arg might be unused.
8158 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8159 keywords and give them their phase 7 meaning. Pedwarn about
8160 this unless '__bool_true_false_are_defined' is defined.
8162 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8164 * lcm.c (optimize_mode_switching): Emit mode_set before the
8165 JUMP_INSN of an abnormal edge.
8167 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8169 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8170 a scheduling barrier at the end.
8172 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8174 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8176 * config/sh/sh.md (reload_outsf): Removed.
8177 (movsf_ie): Introduce constraints for FPUL loads and stores.
8178 (reload_insf): Broaden the output constraint.
8180 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8182 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8183 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8185 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8187 * final.c: Revert my previous changes.
8188 * output.h: Make profile_label_no extern.
8189 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8190 for generating label.
8192 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8194 * config/i386/djgpp.h: Add comments about standard paths.
8195 (MD_EXEC_PREFIX): Undefine before defining.
8196 (MD_STARTFILE_PREFIX): New.
8198 2001-01-30 Bruce Korb <bkorb@gnu.org>
8200 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8201 (load_file): do not rely on load_file_data() to close file pointer
8202 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8203 fixinc/inclhack.def(irix_limits_const): add test_text
8205 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8207 * cppexp.c (parse_defined): Improve diagnostics for invalid
8210 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8212 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8214 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8216 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8217 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8218 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8219 (rs6000_output_symbol_ref): New function.
8220 (output_toc): Use VTABLE_NAME_P.
8222 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8224 * print-tree.c (print_node, case PARM_DECL):
8225 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8227 * stor-layout.c (reference_types_internal): New variable.
8228 (internal_reference_types): New function.
8229 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8230 * tree.h (internal_reference_types): New declaration.
8232 * cse.c (find_best_addr): Fix typo in computing cost.
8234 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8236 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8237 and this is the sum of a pointer and a constant, we know the result
8239 (num_sign_bit_copies, case PLUS): Likewise.
8240 * explow.c (convert_memory_address): Remove opposite SUBREG.
8241 * function.c (instantiate_new_reg): New function (from common code).
8242 (instantiate_virtual_regs_1): Call it.
8243 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8244 if pointers sign- or zero-extend.
8245 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8246 If pointers extend unsigned, use inside of SUBREG.
8247 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8249 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8251 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8252 subdir of gcc_gxx_include_dir.
8253 (gcc_gxx_target_include_dir): Remove.
8255 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8257 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8258 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8259 a high-level description.
8261 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8263 * final.c: Move the declaration of profile_label_no to ...
8264 * output.h: ... here.
8265 * function.c (expand_function_start): Call PROFILE_HOOK.
8266 * config/rs6000/aix.h: Define PROFILE_HOOK.
8267 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8268 * config/rs6000/rs6000.c (output_profile_hook): Define.
8269 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8270 output_profile_hook.
8271 tm.texi : Explain new macro PROFILE_HOOK.
8273 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8275 * extend.texi (Extended Asm): Do not say that semicolon is always
8276 a valid line-breaking character for GNU assemblers. Use
8277 newline-tab as the most commonly supported syntax. Use
8278 newline-tab rather than semicolon in multi-insn examples.
8280 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8282 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8284 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8285 David Edelsohn <edelsohn@gnu.org>
8287 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8288 code for AIX, even without flag_pic.
8290 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8292 * c-typeck.c (common_type): push and pop binding level around
8293 calling common_type on function parameters.
8295 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8297 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8299 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8301 * config/mips/mips.c (override_options): Fix typo in last change.
8302 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8303 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8305 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8307 * invoke.texi (-fdump-class-layout): Document.
8308 (-fdump-translation-unit): Use `=' as filename separator.
8310 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8312 * Makefile.in (s-mlib): Don't build multilibs if
8314 (DRIVER_DEFINES): Adjust accordingly.
8316 (protoize.o): Likewise.
8317 (unprotoize.o): Likewise.
8318 * configure.in: Recognize --enable-multilib.
8320 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8322 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8324 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8325 * configure.in: Remove --enable-libstdcxx_v3 support.
8326 * configure: Regenerated.
8328 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8330 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8331 Call abort instead of fatal.
8332 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8333 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8334 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8335 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8336 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8337 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8339 * diagnostic.h (set_internal_error_function): Renamed.
8340 * toplev.h (internal_error): Renamed from fatal.
8341 (pfatal_with_name): Deleted.
8342 (fatal_io_error): Now has printf-style arguments.
8343 * diagnostic.c (pfatal_with_name): Deleted.
8344 (fatal_io_error): Rework to have args in printf-style.
8345 (set_internal_error_function): Renamed from set_fatal_function.
8346 (internal_error): Renamed from fatal.
8347 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8348 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8349 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8350 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8351 * flow.c (verify_flow_info): Likewise.
8352 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8353 * config/mips/mips.c (save_restore_insns): Likewise.
8355 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8356 * flow.c (verify_flow_info): Likewise.
8357 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8358 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8359 (avr_normalize_condition): Likewise.
8360 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8361 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8362 (limit_reload_class, double_reg_to_memory): Likewise.
8363 (print_operand_address, emit_1600_code_shift): Likewise.
8364 (gen_tst_reg, gen_compare_reg): Likewise.
8365 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8366 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8368 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8370 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8371 * objc/objc-act.c (build_ivar_chain): Likewise.
8372 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8374 * graph.c (clean_graph_dump_file): Likewise.
8375 * profile.c (init_branch_prob): Likewise.
8376 * objc/objc-act.c (objc_init): Likewise.
8378 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8379 * config/avr/avr.c (avr_override_options): Likewise.
8380 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8381 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8382 * config/h8300/h8300.c (h8300_init_once): Likewise.
8383 * config/mips/mips.c (override_options): Likewise.
8384 * config/i386/i386.c (override_options): Likewise, rework.
8385 * config/m68k/m68k.c (override_options): Likewise.
8387 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8389 * config/mips/mips.c (print_operand): Likewise.
8390 * hash.c (hash_allocate): Don't check for failure returns from
8391 obstack functions that can't fail.
8392 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8393 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8394 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8395 (get_object_reference): Likewise.
8397 2001-02-04 Nick Clifton <nickc@redhat.com>
8399 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8400 StrongARM1110, 10TDMI, and 1020T.
8402 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8404 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8406 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8408 * config/sh/sh.md (movdf load split): Pass register number to
8409 FP_OR_XD_REGISTER_P.
8411 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8413 * cppinit.c (BC): New macro.
8414 (builtin_array): Add __GXX_WEAK__.
8415 * cpplib.h (builtin_type): Add BT_WEAK.
8416 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8417 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8418 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8420 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8422 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8424 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8426 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8427 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8429 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8431 * cpphash.h: Rename ALIGN _ALIGN.
8432 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8434 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8436 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8437 compilation environment.
8438 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8439 control over location of cygwin includes and libs.
8441 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8443 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8445 2001-02-02 lars brinkhoff <lars@nocrew.org>
8447 * md.texi (Standard Names): remove reference to spur.md.
8449 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8451 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8452 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8453 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8454 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8455 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8457 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8459 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8460 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8461 number before reload.
8462 (c4x_adjust_cost): Return zero before reload.
8463 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8464 split before reload.
8466 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8468 * c4x.c (c4x_hard_regno_rename_ok): New.
8469 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8470 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8472 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8474 * diagnostic.h: Add missing "extern" in all declarations.
8476 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8478 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8479 as for gcc_gxx_include_dir.
8481 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8483 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8485 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8487 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8488 label before alignment to be used as the braf base address.
8489 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8491 (casesi_jump_2): Require at least TARGET_SH2.
8493 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8494 truncation to 32-bit doubles on -m3e and -m4-single-only.
8496 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8498 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8499 the default when building a shared object.
8500 (init_spec): Use it.
8501 * testsuite/lib/g++.exp: Include the directory where libgcc
8502 is located to the LD_LIBRARY_PATH list.
8503 * invoke.texi (-shared-libgcc): Document the cases in which
8504 GCC defaults to using the shared libgcc.
8506 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8508 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8509 unsigned is wide enough.
8511 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8512 (si_to_float): Likewise.
8513 (float_to_si, float_to_usi): Use BITS_PER_SI.
8515 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8517 * dwarf2out.c: Added explanation of abbreviations.
8518 (def_cfa_1): Added comments listing DWARF2 instructions.
8519 (cfa_temp_reg): Removed in favor of cfa_temp.
8520 (cfa_temp_value): Removed in favor of cfa_temp.
8521 (cfa_temp): New global variable.
8522 (dwarf2out_frame_debug_expr): Added extensive introductory
8523 comments explaining the function's transformations. Revised to
8524 use cfa_temp. Added some rtx checking. Generalize IOR case.
8525 (dwarf2out_frame_debug): Revised to use cfa_temp.
8526 (output_aranges): Cast as "unsigned" to avoid warning.
8527 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8528 explain which instructions must be marked.
8530 2001-02-01 Richard Henderson <rth@redhat.com>
8532 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8535 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8537 * config/sh/crt1.asm (main_k): Modified so that start calls
8538 ___setup_argv_and_call_main.
8540 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8542 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8543 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8544 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8545 * cppmacro.c (builtin_macro): Set builtin flags here.
8546 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8547 (replace_args): Clarify intent.
8548 (cpp_get_token): Macro expansion tokens get the saved flags.
8550 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8553 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8555 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8558 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8560 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8561 returns Pmode pseudo, but we need ptr_mode.
8562 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8563 Remove bogus conversions; use HOST_WIDE_INT for size.
8564 Don't use TARGET if wrong mode.
8566 * config/i386/i386.c (ix86_compute_frame_size): Allow
8567 stack_alignment_needed to be non-default even if size is zero.
8569 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8571 * pa.c (hppa_init_pic_save): New function.
8572 * pa.h (hppa_init_pic_save): Declare.
8573 * pa.md (call, call_value, sibcall, sibcall_value): Use
8574 the above instead of duplicated code.
8576 * pa.c (hppa_encode_label): Correct size of alloca buffer
8577 so we don't overrun it. Correct leading `*' case.
8578 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8579 need to handle `*@'.
8580 (FUNCTION_NAME_P): Likewise.
8582 2001-01-31 Richard Henderson <rth@redhat.com>
8584 * config.gcc (alpha-osf5): Use float-i128.h.
8586 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8587 * config/float-i32.h: Likewise.
8588 * config/float-i64.h: Likewise.
8589 * config/float-sh.h: Likewise.
8590 * config/float-sparc.h: Likewise.
8592 2001-01-31 DJ Delorie <dj@redhat.com>
8594 * expmed.c (extract_bit_field): allow non-integral modes if we
8595 want to extract a whole register from itself.
8597 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8599 * c-typeck.c (set_init_index): If first is equal to last, assume as
8600 if it was not a range at all.
8602 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8604 * config/fp-bit.c: Include tm.h.
8605 (float_to_si): Don't assume SImode is 32-bits wide.
8606 (float_to_usi): Likewise.
8608 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8610 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8612 (typename): Call pending_xref_error after parsing typed_typespecs.
8613 * c-decl.c (lookup_tag): Give error immediately rather than
8614 leaving it pending if the tag of the wrong type is in the same
8616 (xref_tag): Don't pedwarn for forward declarations of enum types
8618 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8621 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8623 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8625 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8627 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8628 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8630 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8632 * cpphash.h (struct cpp_reader): New saved_flags.
8633 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8634 to avoid a paste after a pasted token.
8636 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8638 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8639 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8640 Wtype_MIN instead of LONG_MIN.
8642 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8644 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8646 * fixinc/fixincl.x: Regenerated.
8647 * fixinc/inclhack.def (irix_limits_const): New definition to
8648 convert "const" to "__const" in limits.h.
8650 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8652 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8654 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8656 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8657 when register dies in the insn.
8659 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8661 * diagnostic.c (fatal): Fix word wrap.
8663 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8665 * combine.c (try_combine): Fix SUBREG setting for
8666 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8668 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8670 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8673 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8675 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8677 * toplev.c (decode_W_option): Update warn_larger_than
8678 unconditionally for each processed switch.
8680 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8682 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8684 (hppa_expand_prologue): Delete code to save pic offset table register
8685 in the function prologue.
8686 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8687 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8688 table register at the beginning of the function after the prologue.
8690 2001-01-29 lars brinkhoff <lars@nocrew.org>
8692 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8694 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8695 Jeff Law <law@redhat.com>
8697 * pa.md (return): Revise comment for trivial return.
8698 (return_internal): Non-trivial return pattern for non-PIC code.
8699 (return_internal_pic): Non-trivial return pattern for PIC code.
8700 It uses the PIC register to ensure it is restored after
8702 (epilogue): Generate appropriate return for PIC and non-PIC code.
8704 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8706 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8708 2001-01-29 DJ Delorie <dj@redhat.com>
8710 * combine.c (if_then_else_cond): Pass the correct mode to
8711 operand_subword() for constants.
8713 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8715 * config/i386/cygwin.h: Add w32api to include search. Search different
8716 directories in a cross-build environment.
8718 2001-11-29 Tim Josling <tej@melbpc.org.au>
8720 * tree.h (TYPE_STUB_DECL): Add documentation.
8722 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8724 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8725 (sdbout_field_types): Likwise. Fix use of host_integerp.
8727 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8729 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8732 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8734 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8735 to use flag_gnu_linker.
8737 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8739 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8740 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8742 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8744 * tree.c, tree.h (build_parse_node): Remove; was identical to
8746 * c-lang.c (start_cdtor), objc/objc-act.c
8747 (build_module_descriptor): Use build_nt instead of
8750 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8752 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8753 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8754 not have any upper bits set.
8756 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8758 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8760 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8762 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8764 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8766 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8767 (integer_minus_one_node): Define.
8769 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8771 * Makefile.in (bootstrap2-lean): Fix typo.
8773 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8775 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8776 : Don't set fe_value.
8777 * cpplib.h (AVOID_LPASTE): New flag.
8778 (struct cpp_hashnode): Remove fe_value.
8779 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8780 * cppmacro.c (builtin_macro): Don't set flags here.
8781 (replace_args): Set AVOID_LPASTE flag on first token of an
8782 argument, and the token following it.
8783 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8784 macro expansion, and on the token following it. Do it for
8786 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8788 2001-01-27 Richard Henderson <rth@redhat.com>
8790 * config/alpha/t-ieee: Remove multilibbing.
8791 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8793 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8795 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8797 * Makefile.in: Remove all dependencies on defaults.h.
8798 * builtins.c: Don't include defaults.h.
8799 * c-common.c: Likewise.
8800 * c-decl.c: Likewise.
8801 * c-pragma.c: Likewise.
8802 * c-typeck.c: Likewise.
8803 * combine.c: Likewise.
8805 * frame-ia64.c: Likewise.
8806 * cppexp.c: Likewise.
8807 * crtstuff.c: Likewise.
8808 * dbxout.c: Likewise.
8809 * dwarf2out.c: Likewise.
8810 * dwarfout.c: Likewise.
8811 * emit-rtl.c: Likewise.
8812 * except.c: Likewise.
8814 * final.c: Likewise.
8815 * frame-dwarf2.c: Likewise.
8816 * libgcc2.c: Likewise.
8817 * optabs.c: Likewise.
8818 * profile.c: Likewise.
8819 * sdbout.c: Likewise.
8820 * toplev.c: Likewise.
8821 * tradcif.y: Likewise.
8823 * varasm.c: Likewise.
8825 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8827 * builtins.c (expand_builtin_fputs): Use size_one_node when
8828 transforming into fwrite.
8830 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8832 * extend.texi (Attribute Syntax): New section.
8834 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8836 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8837 they didn't need fixing.
8839 2001-01-27 Janis Johnson <janis@us.ibm.com>
8841 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8843 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8844 to remove macro definitions that are duplicated from elfos.h.
8846 2001-01-27 Richard Henderson <rth@redhat.com>
8848 * config/i386/sco5gas.h: Move ...
8849 * config/usegas.h: ... here.
8850 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8852 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8854 * c-typeck.c (struct constructor_stack): Add range_stack member.
8855 (really_start_incremental_init): Clear it.
8856 (push_init_level): Save constructor_range_stack and clear it if
8857 pushing explicit braces.
8858 (pop_init_level): abort if constructor_range_stack is non-zero at
8859 explicit closing brace. Restore saved constructor_range_stack if
8862 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8864 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8865 into register was forced into memory.
8867 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8869 * Makefile.in: Remove uses of + before $(MAKE).
8871 2001-01-26 Richard Henderson <rth@redhat.com>
8873 * stmt.c (cost_table): Remove.
8874 (COST_TABLE, cost_table_initialized): New.
8875 (estimate_case_costs): Use the later instead of the former.
8876 (balance_case_nodes): Likewise.
8878 2001-01-26 Richard Henderson <rth@redhat.com>
8880 * alias.c (objects_must_conflict_p): Read-only slots may not
8881 conflict despite having the same type.
8883 2001-01-27 Michael Hayes <mhayes@redhat.com>
8885 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8887 (check_ext_dependant_givs): Initialise u_start_val and
8889 (load_mems): Make last_max_reg unsigned.
8890 (try_swap_copy_prop): Use INSN_P and initialise set.
8892 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8894 * README.AVR : Removed.
8896 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8898 * pa-64.h (text_section): Remove declaration.
8900 * pa.md (return_internal): Remove mode on PIC register use.
8902 2001-01-25 lars brinkhoff <lars@nocrew.org>
8904 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8905 ASM_CLOSE_PAREN): fix typos.
8907 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8909 * acconfig.h: Define `const' to the empty string if neither
8910 __STDC__ nor __cplusplus is defined.
8911 * config.in: Regenerated.
8913 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8915 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8916 * collect2.c (main): Delete importf. Add ".obj" file extension.
8917 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8918 (aix_std_libs): Add additional AIX libraries to skip.
8919 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8920 * config/rs6000/aix51.h: New file.
8922 2001-01-25 Michael Hayes <mhayes@redhat.com>
8924 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8925 (loop_insn_emit_before): No longer static.
8926 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8927 (loop_givs_rescan, load_mems): Likewise.
8928 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8929 (maybe_eliminate_biv_1):
8930 (move_movables): Replace emit_call_insn_before with
8931 loop_call_insn_hoist.
8932 * loop.h (loop_insn_emit_before): Add.
8933 * unroll.c (copy_loop_body): Replace emit_insn_before with
8934 loop_insn_emit_before.
8936 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8938 * diagnostic.c (fatal): Request preprocessed source.
8940 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8942 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8943 olddecl has argument types and newdecl has none, use the argument
8946 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8948 * dwarf2out.c (prefix_of): New function. Determine longest common
8949 prefix of the two arguments. The units are whole path components.
8950 (output_file_names): When adding a new directory find the one entry
8951 with the longest common prefix already in the list. Artificially
8952 generate entry if there is none for this prefix.
8953 Fix test to check whether the zeroth directory entry is used.
8955 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8957 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8958 Changed all callers. Take it into account when deciding if a
8959 previously loaded value matches.
8961 2001-01-24 Richard Henderson <rth@redhat.com>
8963 * reload.c (find_reloads_subreg_address): Fail the substitution
8964 if the resulting address is insufficiently aligned.
8966 2001-01-24 DJ Delorie <dj@redhat.com>
8968 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8969 check the original operand's mode also.
8970 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8972 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8974 * c-parse.in (cast_expr): Move compound literals from here ...
8975 (primary): ... to here. Use standard terminology "compound
8976 literal" instead of "constructor expression".
8978 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8980 * gcc.1, cpp.1: Regenerate.
8982 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8984 * calls.c (emit_library_call_value_1): Memory slot for
8985 pass-by-reference argument should have the mode of the argument,
8986 not of the pointer to it.
8988 2001-01-24 Tom Tromey <tromey@redhat.com>
8990 * gcc.texi (G++ and GCC): Mention gcj manual.
8991 (Standards): Link to section of manual mentioning gcj/Java
8994 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8996 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8997 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8998 * tradcpp.c (main): Add -imacros or -include'd dependencies
9000 * cpp.texi (-M, -MM): Document -M -include behaviour.
9002 2001-01-24 Roger Collins <roger@ProProject.com>
9004 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
9006 2001-01-24 Will Cohen <wcohen@redhat.com>
9008 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
9009 whether registers are 32 bits or 64 bits in size.
9011 2001-01-24 Ben Elliston <bje@redhat.com>
9013 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
9015 2001-01-24 Richard Henderson <rth@redhat.com>
9017 * config/alpha/alpha.md (builtin_longjmp_internal): New.
9018 (builtin_longjmp): Use it instead of emit_indirect_jump.
9020 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
9022 * bb-reorder.c (make_reorder_chain_1): Handle case where
9023 jump edge goes to the same block as the fallthru edge.
9025 2001-01-23 Jim Wilson <wilson@redhat.com>
9027 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
9028 * frame.h (__ia64_personality_v1): Add prototype.
9029 * libgcc2.c (ia64_throw_helper): Change personality declaration to
9030 prototype form. Add void * cast to first argument to personality
9032 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
9033 (asctoe113): Likewise.
9034 * config/ia64/frame-ia64.c: Include eh-common.h.
9035 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
9037 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
9039 (itanium_split_issue): Add prototype.
9040 (gen_nop_type): Ifdef out.
9041 (find_best_packet): Initialize best_packet.
9042 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
9044 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
9045 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
9046 (flushrs): Add explicit stop bit at end.
9047 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
9050 2001-01-23 Chris Demetriou <cgd@broadcom.com>
9052 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
9054 * libgcc2.c (__terminate_func): Make variable static.
9055 (__terminate_set_func): New function to set __terminate_func.
9056 * libgcc2.h (__terminate_func_ptr): New typedef.
9057 (__terminate_set_func): New function.
9059 2001-01-23 Richard Henderson <rth@redhat.com>
9061 * flow.c (init_propagate_block_info): Don't consider unchanging
9062 memories for dead frame store elimination.
9064 2001-01-23 Richard Henderson <rth@redhat.com>
9066 * varasm.c (UNIQUE_SECTION): Move default implementation ...
9067 * defaults.h: ... here.
9069 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
9071 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
9073 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
9075 * c-lex.c (lex_charconst): Fix typo: s/p/str.
9077 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9079 * rs6000.h (rs6000_return_addr): Move prototype from here...
9080 * rs6000-protos.h (rs6000_return_addr): ...to here.
9081 (rs6000_init_expanders): Delete prototype.
9083 2001-01-23 Nick Clifton <nickc@redhat.com>
9085 * invoke.texi: Replace , with \, inside @gccoptlist macros.
9086 (Spec Files): Document %B and %j and %. and %v3 and %M and
9087 %{S*&T} spec switches.
9089 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9091 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
9093 2001-01-23 Chris Demetriou <cgd@sibyte.com>
9094 Neil Booth <neil@daikokuya.demon.co.uk>
9096 * cpperror.c: Merge handlers of PEDWARN and WARNING.
9097 Have -Werror make pedantic warnings errors, like the
9100 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9102 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9104 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9106 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9107 * integrate.c (expand_inline_function): Initialize them.
9108 (subst_constants): If changing COMPARE so that both its arguments
9109 will be VOIDmode and the comparison mode will be lost, note
9110 compare_mode. Use the recorded compare_mode to optimize
9113 2001-01-23 Jason Merrill <jason@redhat.com>
9115 * dwarf2out.c (new_die): Use xcalloc.
9116 (output_die): Abort rather than emit a local reference to offset 0.
9118 2001-01-17 Andrew Haley <aph@redhat.com>
9120 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9121 of a saved register; return NULL instead.
9122 (copy_reg): Take a pointer to a source register rather than a
9124 (next_stack_level): Remember the address in the stack frame of all
9126 Use the saved register pointer array as the source of the CFA.
9127 (throw_helper): Rewrite. Unwind once rather than twice and keep
9128 track of saved registers as we go.
9130 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9132 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9133 * c4x.c (c4x_legitimize_reload_address): Remove.
9134 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9135 reload address for ldp(k) insn.
9137 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9139 * pa.md (return_internal): Add a USE of the PIC register to ensure
9140 it is restored after each call.
9141 (return expander): Corresponding changes.
9143 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9145 * rs6000.h (INIT_EXPANDERS): Delete.
9146 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9147 * rs6000.c (rs6000_override_options): Call *_machine_status from
9149 (rs6000_init_expanders): ...instead of here. Delete.
9150 (rs6000_mark_machine_status): New function.
9151 (rs6000_init_machine_status): Use xcalloc.
9152 (rs6000_return_addr): Generate RTX for the return address.
9153 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9154 (rs6000_stack_info): Use it.
9156 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9158 * gthr-win32.h: Include errno.h to get a declaration for
9159 EINVAL and _mingw.h if the target is mingw32.
9161 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9163 * cpp.texi: Correct typos.
9165 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9167 * explow.c (probe_stack_range): Ensure value passed to
9168 stack_check_libfunc is ptr_mode, not Pmode.
9170 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9172 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9173 case, don't use operand_subword to calculate a SUBREG that is
9176 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9178 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9180 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9181 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9182 valid. If not replace it by equivalent insns.
9184 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9186 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9187 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9188 (c4x_U_constraint, symbolic_address_operand): Likewise.
9189 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9191 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9192 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9193 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9194 anulling slot because of silicon bug.
9195 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9197 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9199 * cppexp.c (parse_charconst): Change `mask' type to agree
9202 2001-01-21 Richard Henderson <rth@redhat.com>
9204 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9205 pic_label_name in a linkonce section.
9207 2001-01-17 Philipp Thomas <pthomas@suse.de>
9209 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9211 * configure: Regenerate.
9213 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9215 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9216 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9218 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9220 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9221 If REVERSE nonzero then condition code in X must be reversed.
9222 (encode_section_info): Optimise if/else.
9223 (avr_function_value): Fix formatting.
9225 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9226 (difficult_branch): Likewise.
9227 (rvbranch): Likewise.
9228 (difficult_rvbranch): Likewise.
9230 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9232 * config/avr/libgcc.S: Fix comment.
9234 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9236 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9238 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9240 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9242 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9244 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9245 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9246 * configure, config.in: Regenerate.
9247 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9248 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9249 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9250 (doprint.o): New rule.
9252 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9254 * c-typeck.c (digest_init): Handle boolean types as scalars.
9256 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9258 * stmt.c (expand_return): Don't return anything if size is zero.
9259 Delete redundant assignment to BYTES.
9260 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9262 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9264 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9265 the same as the default library function names.
9266 * config/avr/avr.md: Document special characters after '%'.
9267 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9268 knowing which of the call-used registers are really clobbered.
9269 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9270 New. Both quotient and remainder from one libgcc.S call.
9271 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9272 clobber as few registers as possible.
9273 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9275 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9277 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9278 context of the top of the stack.
9280 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9282 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9283 (fixup_var_refs_insns): ...here.
9285 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9287 * function.c (fixup_var_refs_insns): Break up into
9288 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9289 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9290 [loop over hash table entries].
9291 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9292 fixup_var_refs_insns_with_hash, to match above changes.
9294 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9296 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9297 (libgcc.a): Likewise.
9298 (stmp-multilib): Likewise.
9299 (STAGE2_FLAGS_TO_PASS): Likewise.
9301 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9303 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9304 temporary if no_new_pseudos.
9306 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9308 * cppinternals.texi: Update.
9310 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9312 * arm.c (arm_init_builtins): Re-enable builtins.
9314 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9316 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9317 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9318 element to be null, and always expect an EXPR_LIST.
9319 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9320 * sched-deps.c (sched_analyze_1): Likewise.
9321 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9323 * regclass.c (max_set_parallel): New variable.
9324 (reg_scan): Take it into account in computation of max_parallel.
9325 (reg_scan_mark_refs, case SET): Compute it.
9327 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9329 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9330 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9332 2001-01-19 Jason Merrill <jason@redhat.com>
9334 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9335 for the abstract instance of an inline function.
9337 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9338 J"orn Rennecke <amylaar@redhat.com>
9340 * reload1.c (move2add_note_store): Treat all registers directly or
9341 indirectly derived from a base register as members of the same set
9343 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9344 of base register into account.
9346 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9348 * alias.c (find_base_value): Recognize TRUNCATE.
9349 (record_set): In PLUS case, invalidate if other summand is also a
9352 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9354 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9355 entry to be EXPR_LIST.
9356 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9357 be an EXPR_LIST (but not null, which other code doesn't allow).
9358 (note_stores): Properly handle PARALLEL in SET.
9359 Recursively call for top-level PARALLEL.
9360 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9361 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9363 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9365 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9367 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9368 not pfile->skipping (== 0).
9370 2001-01-17 Nick Clifton <nickc@redhat.com>
9372 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9375 2001-01-17 Jim Wilson <wilson@redhat.com>
9377 * invoke.texi (IA-64 options): Improve.
9379 2001-01-17 Tom Tromey <tromey@redhat.com>
9381 * invoke.texi (Optimize Options): Use `{}' to around @samp
9384 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9386 * invoke.texi (-fno-guess-branch-probability): New option.
9388 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9390 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9391 case of making new double-word constant.
9392 Revert last change: instead just test i3_subst_into_i2.
9394 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9396 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9397 Use q constraints instead of r.
9399 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9401 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9402 (machine_function): Define.
9403 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9404 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9405 pa_free_machine_status): New functions.
9406 (override_options): Set {init,mark,free}_machine_status to above.
9407 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9408 PIC_OFFSET_TABLE_REGNUM_SAVED.
9409 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9410 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9411 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9412 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9413 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9415 2001-01-15 DJ Delorie <dj@redhat.com>
9417 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9421 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9423 * flow.c (propagate_on_insn): Make trying to delete a prologue
9424 or epilogue insn an ICE, not a warning. Allow doing this if
9425 the current function returns with stack pointer depressed.
9427 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9428 I3 having more than one SET.
9430 2001-01-16 Jim Wilson <wilson@redhat.com>
9432 * invoke.texi: Document IA-64 options.
9434 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9435 (fixup_errata): Delete TARGET_A_STEP use.
9436 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9437 (TARGET_SWITCHES): Delete -ma-step option.
9438 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9439 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9440 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9441 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9442 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9443 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9445 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9446 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9447 cmovsi_internal): Delete ! TARGET_A_STEP check.
9449 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9451 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9452 possibility to report bugs via postal mail. Change a URL and
9453 merge in a nearly duplicate statement...
9454 (Bug Reporting): ...from here.
9455 (Service): Refer to the Bug Reporting section instead of
9457 (Contributing): Remove trivial explanations concerning snapshots.
9459 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9461 * cppmain.c (general_init): Don't use ANSI prototype.
9463 2001-01-16 Tom Tromey <tromey@redhat.com>
9465 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9467 2001-01-16 Richard Henderson <rth@redhat.com>
9469 * config/i386/i386.h: Fix comment typo.
9470 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9471 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9473 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9475 * gcc.c: Revert previous -fsyntax-only-related change; move
9478 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9480 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9481 inmode after checking GET_CODE (op).
9483 2001-01-16 Richard Henderson <rth@redhat.com>
9485 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9486 (MAX_MEM_SET_LIST_LEN): New.
9487 (propagate_one_insn): Update mem_set_list_len.
9488 (invalidate_mems_from_autoinc): Likewise.
9489 (invalidate_mems_from_set): Likewise.
9490 (mark_used_regs): Likewise.
9491 (init_propagate_block_info): Likewise. Stop collecting memories
9492 when we reach MAX_MEM_SET_LIST_LEN.
9493 (mark_set_1): Likewise.
9495 2001-01-16 Richard Henderson <rth@redhat.com>
9497 * unroll.c (precondition_loop_p): Fail if no iteration
9500 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9502 * gcc.c: When -fsyntax-only is given, do not complain about
9505 2001-01-15 Richard Henderson <rth@redhat.com>
9507 * config/i386/i386.c (asm_output_function_prefix): Remove.
9508 (ix86_asm_file_end): New.
9509 (load_pic_register): Generate pic_label_name into a
9510 staticly allocated buffer.
9511 * config/i386/i386-protos.h: Update.
9512 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9513 (ASM_FILE_END): New.
9514 * config/i386/i386afe.h: New file.
9515 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9516 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9517 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9518 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9519 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9520 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9521 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9523 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9525 * Makefile.in (install-man): Remove explicit dependency on
9528 * configure.in, configure: Revert previous patch requiring perl
9531 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9533 * toplev.c (flag_guess_branch_prob): New.
9534 (f_options): Add guess-branch-probability option.
9535 (rest_of_decl_compilation): Only estimate branch probability if
9537 (main): set flag_guess_branch_prob.
9539 * flags.h (flag_guess_branch_prob): New.
9541 2001-01-15 DJ Delorie <dj@redhat.com>
9543 * gcc.texi (Makefile): Add documentation for Makefile targets.
9545 2001-01-15 Philip Blundell <philb@gnu.org>
9547 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9549 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9550 (is_pic): Delete declaration.
9551 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9552 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9553 * config/arm/arm.md (builtin_setjmp_receiver): New.
9555 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9557 * arm.c (use_return_insn): Don't try to determine the function type
9558 until after reload has completed.
9559 (arm_output_epilogue): Don't adjust the sp value recovered from the
9561 (emit_multi_reg_push): Don't record dwarf information for the pc.
9562 * arm.md (eh_epilogue): The function type may have changed, so it
9563 needs to be recalculated.
9564 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9565 unwind tables on arm/netbsd.
9567 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9569 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9570 (negated_cbranchsi4): Likewise.
9572 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9574 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9575 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9576 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9577 pass -mapcs-* options to assembler.
9578 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9579 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9580 (ASM_SPEC): Call subtarget_extra_asm_spec.
9582 2001-01-15 Andreas Jaeger <aj@suse.de>
9584 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9586 (ix86_expand_builtin): Likewise.
9588 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9589 warning about comparison between signed and unsigned.
9591 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9593 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9595 2001-01-14 Ralf Baechle <ralf@gnu.org>
9597 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9598 SUBTARGET_CPP_SPEC apropriatly.
9600 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9602 * varasm.c (make_decl_rtl): Fix typo in last change.
9604 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9606 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9607 linker supports the init_priority C++ attribute.
9608 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9609 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9610 linker does not support init_priority C++ attribute.
9612 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9614 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9616 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9618 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9619 * cp/lex.c (finish_parse): Similarly.
9620 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9621 Return the number of errors encountered.
9622 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9623 * cppmain.c (main): Don't call cpp_destroy.
9625 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9627 * configure.in: Require at least perl 5.6.0 to regenerate
9629 * configure: Regenerate.
9631 2001-01-14 Richard Henderson <rth@redhat.com>
9633 * genrecog.c (DT_veclen_ge): New.
9634 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9635 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9636 (nodes_identical_1): Handle DT_veclen_ge.
9637 (write_cond, debug_decision_2): Likewise.
9639 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9641 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9643 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9645 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9647 * cppmain.c (do_preprocessing): New function; most of the old
9649 (main): Call it to do most of the work.
9650 (cb): Move from global scope to set_callbacks ().
9651 (setup_callbacks): Get the callback pointer.
9652 (general_init, printer_init): Clean up code and comments.
9654 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9656 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9659 2001-01-14 Kazu Hirata <kazu@hxi.com>
9661 * config/h8300/h8300.c (get_shift_alg): Update comments.
9663 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9665 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9666 (alloc_page, ggc_alloc): Add casts to remove warnings.
9668 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9670 * combine.c (simplify_comparison): Don't change `code' when
9671 can't reverse comparison.
9673 2001-01-14 Richard Henderson <rth@redhat.com>
9675 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9676 update all call sites. Return true for all non-label constants.
9678 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9680 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9682 (ix86_expand_branch): Update.
9683 (ix86_expand_setcc): Update to handle multiple test conditions.
9684 (expand_int_movcc): Likewise.
9685 (expand_fp_movcc): Likewise.
9686 * i386-protos.h (ix86_expand_compare): New.
9687 * i386.md (andqi_?_slp, orqi_?_slp): New.
9688 (conditional trap expander): Update call to ix86_expand_compare.
9690 2001-01-14 Richard Henderson <rth@redhat.com>
9692 * config/vax/vax.md: Use nonimmediate_operand instead of
9693 general_operand in destinations.
9695 * config/vax/vax.md (indirect_jump): Use register_operand.
9697 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9698 * config/vax/vax.md (call_pop): Turn into an expander.
9699 (call_value_pop): Likewise.
9700 (call, call_value): New.
9702 2001-01-14 Andreas Jaeger <aj@suse.de>
9704 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9706 (ix86_fp_compare_mode): Add unused attribute.
9707 (ix86_expand_fp_movcc): Remove unused variable.
9708 (ix86_expand_builtin): Make fcode unsigned.
9710 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9711 (expand_expr): Add cast to avoid signed warning.
9712 (store_field): Likewise.
9713 (store_constructor_field): Likewise.
9714 (store_constructor): Likewise.
9715 (store_expr): Likewise.
9716 (clear_storage): Likewise.
9717 (emit_group_store): Likewise.
9718 (emit_group_load): Likewise.
9720 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9722 * c-common.c: Move format checking code to ...
9723 * c-format.c: ... here. New file. Reorder some functions and
9725 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9727 * c-common.h (decl_handle_format_attribute,
9728 decl_handle_format_arg_attribute): Declare.
9729 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9730 (c-common.o): Adjust dependencies.
9731 (c-format.o): New list of dependencies.
9733 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9735 * unroll.c (loop_iterations): If we cannot prove iteration variable
9736 is set once in each iteration, punt.
9738 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9740 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9741 (*strlenhi): Remove clobber (which was buggy) of output address.
9743 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9745 * Makefile.in (generated-manpages): Add gcc.1
9746 ($(srcdir)/gcc.1): New target.
9747 (maintainer-clean): Delete $(srcdir)/gcc.1.
9748 * gcc.texi: Add macros @gccoptlist and @gol.
9749 * invoke.texi: Include option summary in manpage. Mark up option
9750 summary with @gccoptlist and @gol. Use @r in one place where
9752 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9753 * gcc.1: Generate from invoke.texi.
9755 2001-01-13 Richard Henderson <rth@redhat.com>
9757 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9758 (struct page_entry): Add group member.
9759 (struct page_group): New.
9760 (struct globals): Add page_groups member.
9761 (alloc_anon): Only define for using mmap; remove valloc call.
9762 (page_group_index): New.
9763 (set_page_group_in_use): New.
9764 (clear_page_group_in_use): New.
9765 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9766 (free_page, release_pages): Likewise.
9767 * configure.in (with-gc): Default to ggc-page always.
9769 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9771 * reload1.c (replace_pseudos_in_call_usage): Use
9772 reg_equiv_constant and reg_equiv_address, and don't try
9773 regno_reg_rtx first.
9775 2001-01-13 Richard Henderson <rth@redhat.com>
9777 * ggc-page.c (alloc_page): Round up allocation size to one page.
9778 Set e->order on extra pages.
9780 2001-01-13 Richard Henderson <rth@redhat.com>
9782 * genrecog.c (nodes_identical): Expand commentary.
9783 (write_switch): Watch out for identical nodes.
9785 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9787 * cppfiles.c (_cpp_fake_include): New function.
9788 * cpphash.h (_cpp_fake_include): New.
9789 * cpplib.c (do_line): Call _cpp_fake_include when entering
9790 header files in preprocessed input.
9791 * cppmain.c (cb_pragma_implementation): Remove handling.
9792 (setup_callbacks): Don't register pragmas.
9794 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9796 * extend.texi: Udate for CPP.
9798 2001-01-13 Andreas Jaeger <aj@suse.de>
9800 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9802 * regmove.c: Add prototype for replace_in_call_usage.
9804 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9806 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9807 struct cpp_chunk, struct htab, struct toklist,
9808 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9809 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9810 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9811 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9812 (struct macro_args): Delete.
9813 * cpphash.h: See above.
9815 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9817 * cppmain.c (struct printer): Remove no_line_dirs.
9819 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9820 : Use options rather than CPP_OPTION.
9821 (setup_callbacks): Use cb rather than pfile->cb.
9822 (main): No need to check for a buffer. Use cpp_errors.
9823 (printer_init): Don't set no_line_dirs.
9824 (maybe_print_line): Use options not no_line_dirs.
9825 (cb_file_change): Don't call print_line if -P.
9827 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9829 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9831 * c-parse.in (finish_parse): Use cpp_errors.
9832 (__yylex): Use return value of cpp_pop_buffer.
9833 * cp/lex.c (finish_parse): Use cpp_errors.
9834 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9836 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9838 * README.AVR: URLs corrected.
9840 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9842 * c-decl.c (start_function): Don't warn if old prototype is builtin
9843 that's not in C's namespace.
9844 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9845 (_bb): Add prototype for ctime.
9846 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9848 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9850 * i386.c (ix86_fp_comparison_arithmetics_cost,
9851 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9852 ix86_fp_comparison_cost): New functions.
9853 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9854 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9855 two-branch sequences; make static.
9856 (ix86_use_fcomi_compare): Do decision according to the costs.
9857 (split_fp_branch): New.
9858 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9859 * i386-protos.h (ix86_expand_fp_compare): Remove
9860 (ix86_split_fp_branch): Declare.
9862 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9863 and ix86_comparison_operator.
9865 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9868 * i386.c (put_condition_code): Output properly the unordered/ordered
9869 compares in fp case.
9870 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9872 * tm.texi (REVERSE_CONDITION): Document.
9873 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9874 in -ffast-math mode.
9875 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9877 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9879 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9881 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9884 * config/sh/sh.c (mova_p): Fix test for mova_const.
9886 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9888 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9889 cpp_get_options rather than dereferencing pfile and using
9891 * scan-decls.c (scan_decls): Use return value of
9892 cpp_pop_buffer rather than CPP_BUFFER.
9894 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9896 * cppinit.c (cpp_handle_option): help_only is now part of the
9897 cpp_options structure.
9898 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9899 cpp_set_callbacks): New functions.
9900 * cpplib.h (cpp_callbacks): Break out as a named structure.
9901 (cpp_options): Move help_only here from cpp_reader.
9902 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9903 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9904 cpp_set_callbacks): New prototypes.
9905 * cppmain.c (main): Update for help_only.
9907 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9909 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9910 Also build and remove and install and uninstall c-tree.info and
9912 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9913 ($(srcdir)/cppinternals.info): New target.
9914 * c-tree.texi: Change file name used when makeinfo used without -o
9915 from ir.info to c-tree.info. Add info directory entry.
9916 * cppinternals.texi: Add info directory entry.
9917 * .cvsignore: Update.
9919 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9921 * c-typeck.c (store_init_value): Don't require constant initializer
9922 elements with -pedantic -std=c99.
9923 (digest_init): Change error about non-constant initializer elements
9925 (constructor_range_end): Remove.
9926 (constructor_incremental, designator_depth,
9927 designator_errorneous): New variables.
9928 (struct constructor_stack): Remove range_end, add incremental.
9929 (struct constructor_range_stack, constructor_range_stack): New.
9930 (struct initializer_stack): Add constructor_range_stack.
9931 (finish_init): Set it.
9932 (start_init): Likewise. require_constant_elements for non-static
9933 trees only if not flag_isoc99.
9934 (really_start_incremental_init): Remove constructor_range_end, add
9935 constructor_incremental.
9936 (pop_init_level): Likewise.
9937 (push_init_level): Likewise. If implicit and the subobject had some
9938 value set already, preinitialize the level with it.
9939 Warn about missing braces only if not pushing due to designators.
9940 (set_designator, push_range_stack): New functions.
9941 (set_init_label): Use them.
9942 (set_init_index): Likewise. Remove constructor_range_end.
9943 Error if designator index is outside of array bounds.
9944 (add_pending_init): Compare values of purpose index trees, not the
9945 trees themselves. Allow overwriting of already initialized element.
9946 Issue a warning if it had side-effects.
9947 (set_nonincremental_init, set_nonincremental_init_from_string): New
9949 (pending_init_member): Rename to...
9950 (find_init_member): ...this function. Call set_nonincremental_init
9951 if necessary. Compare values of purpose index trees, not the trees
9952 themselves. Return the actual value, not just non-zero if something
9954 (output_init_element): Remove checks for duplicates.
9955 If field has zero size, only check the initializer for correctness.
9956 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9957 if constructor_incremental is zero. Change error about initializers
9958 not computable at load time into pedwarn.
9959 (output_pending_init_elements): Compare bit positions, not
9960 FIELD_DECLs to take into account zero-sized fields.
9961 (process_init_element): Use constructor_range_stack to fill all
9962 ranges in the designator lists from current level up.
9963 * extend.texi: Update documentation for labeled elements.
9965 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9967 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9968 to function usage for arguments passed by reference. Optimize
9969 callee-copied arguments.
9970 * regmove.c (replace_in_call_usage): New function.
9971 (fixup_match_1): Call it.
9972 * cse.c (cse_insn): Canonicalize registers in function usage.
9973 * reload1.c (replace_pseudos_in_call_usage): New function.
9976 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9979 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9981 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9984 2001-01-12 DJ Delorie <dj@redhat.com>
9986 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9987 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9990 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9992 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9993 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9994 -std options alongside references to -ansi. Update some
9995 documentation for C99.
9996 * cpp.1: Regenerate.
9998 2001-01-12 Andreas Jaeger <aj@suse.de>
10000 * haifa-sched.c (restore_line_notes): Remove argument block B
10002 * sched-ebb.c (schedule_ebb): Change caller.
10003 * sched-rgn.c (schedule_region): Likewise.
10004 * sched-int.h (restore_line_notes): Adjust prototype.
10006 * loop.h: Remove wrong declaration of doloop_condition_get.
10008 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10010 * extend.texi: Move C++-extension-related node from the C section
10011 into the C++ section.
10013 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
10015 * extend.texi: Refer to an array of pointers to functions instead
10016 of one of functions.
10018 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
10019 Jan Hubicka <jh@suse.cz>
10021 * combine.c (reversed_comparison): Fix typo in last patch.
10023 (combine_reversed_comparison_code): Make static to follow
10024 prototype declaration.
10026 2001-01-12 Phil Edwards <pme@sources.redhat.com>
10028 * install.texi: Remove misplaced duplicate entry.
10030 2001-01-11 Ulrich Drepper <drepper@redhat.com>
10032 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
10034 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
10036 * final.c: (leaf_function_p): Fix typo.
10038 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
10040 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
10041 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
10043 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
10044 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
10045 mmap_anon, and valloc is available.
10046 * ggc-page.c: Restructure ifdef logic to match new autoconf
10047 spec. Don't throw away the test page in init_ggc.
10049 * configure, config.in: Regenerate.
10051 2001-01-12 Michael Hayes <mhayes@redhat.com>
10053 * loop.h (total_biv_increment): Constify iv_class pointer.
10054 (struct induction): Replace `mem_mode' with `mem' rtx.
10055 * unroll.c (total_biv_increment): Constify iv_class pointer.
10056 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
10057 (find_mem_givs, combine_givs_p): Likewise.
10058 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
10060 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
10062 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
10064 (__gthread_getspecific): Ditto.
10066 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
10068 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
10069 put_condition_code): Convert fp comparison codes to integer
10071 (ix86_expand_fp_compare): Postnote the fp comparison code converison
10074 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
10075 * i386-protos.h (no_comparison_operator): Kill.
10077 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
10079 * combine.c (REVERSIBLE_CC_MODE): Remove.
10080 (reversible_comparison_p): Remove.
10081 (combine_reversed_comparison_code): New.
10082 (reversed_comparison): New.
10083 (combine_simplify_rtx): Use
10084 combine_reversed_comparison_code/reversed_comparison instead
10085 of reversible_comparison_p.
10086 (simplify_if_then_else): Likewise.
10087 (simplify_set): Likewise.
10088 (simplify_logical): Likewise.
10089 (if_then_else_cond): Likewise.
10090 (known_cond): Likewise.
10091 (simplify_comparison): Likewise.
10093 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
10095 * builtins.c (std_expand_builtin_va_start): Handle varargs when
10096 sizeof (int) is larger than sizeof(__word__).
10098 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10100 * cppinit.c (do_includes): Fix typo.
10102 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10104 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10105 in S_REGS does not occur because not all sources are possible
10106 when a S_REGS is a destination (sometimes needs a clobber).
10107 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10108 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10109 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10110 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10111 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10112 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10113 (lshrdi_const1, lshrsi3_const16): Likewise.
10114 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10115 (*movhi_68hc12, *movqi_68hc12): Likewise.
10116 (movstrictqi): Make sure reloading in D_REGS as a destination
10119 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10121 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10123 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10125 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10126 -D, -U and -A, and don't initialize the builtins.
10127 (do_includes): Error if -include or -imacros with -fpreprocessed.
10128 * cppmain.c (cb_define, cb_undef): Unconditionally process
10130 * tradcpp.c (main): Fix typo.
10132 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10134 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10135 (read_name_map): Use IS_ABSOLUTE_PATH.
10136 * tradcpp.c (get_filename): Likewise.
10138 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10140 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10141 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10142 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10143 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10144 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10145 (cmphi_z_used): Don't use '@' for the output.
10146 (tstqi_z_used): Likewise.
10147 (cmpqi_z_used): Likewise.
10148 (one_cmplsi2): Likewise.
10150 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10152 * config/sh/sh.c (barrier_align): Recognize branch around far
10153 branch and redundant insn.
10155 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10157 * invoke.texi: Restore documentation of the drivers' switches -MD
10160 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10162 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10164 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10165 check-objc//%): Support parallel testing of multilibs.
10166 (TESTSUITEDIR): Set to testsuite by default, but override for
10168 (check-gcc, check-g++, check-g77, check-objc): Enter
10171 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10173 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10174 * sched-deps.c (deps_may_trap_p): Likewise.
10175 * basic-block.h: Remove a comment.
10176 * flow.c (PROP_POSTRELOAD): Remove.
10177 (update_life_info): Don't add it to prop_flags.
10178 (mark_set_1): Lose the code that was enabled by it.
10180 2001-01-11 Michael Hayes <mhayes@redhat.com>
10182 * flow.c (flow_call_edges_add): New.
10183 * basic_block.h (flow_call_edges_add): New.
10185 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10187 * reload1.c (move2add_note_store): Update reg_set_luid even if
10188 base reg remains the same.
10190 2001-01-10 Nick Clifton <nickc@redhat.com>
10192 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10193 machine_function structure to zero.
10194 Add prototypes for machine_status functions.
10196 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10198 * c-common.h (CTI_VOID_LIST): Remove.
10199 (void_list_node): Likewise.
10200 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10201 (void_list_node): New macro.
10202 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10203 * config/i386/i386.c (ix86_init_builtins): Likewise.
10204 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10206 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10208 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10209 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10211 * tradcpp.c: Include mkdeps.h.
10212 (deps, print_deps_phony_targets, deps_append, output_deps,
10213 init_dependency_output, output_deps): New.
10214 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10215 deps_output): Delete.
10216 (print_deps_missing_files): Rename deps_missing_files.
10217 (inhibit_output): Make global.
10218 (main): Delete inhibit_output, deps_stream, deps_target.
10219 Use mkdeps functionality in the same way as cpplib. Remove
10220 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10221 -M and -MM. Remove old handling of deps via deps_out, and
10222 old reading of environment variables.
10223 (get_filename): Update to use deps_add_dep.
10225 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10227 * output.h (make_function_rtl): Remove prototype.
10228 (make_decl_rtl): Likewise.
10229 * varasm.c (make_function_rtl): Remove.
10230 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10231 than from a third parameter.
10232 * tree.h (make_decl_rtl): Remove last parameter.
10233 * c-decl.c (builtin_function): Remove last argument in call to
10234 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10235 (start_function): Likewise.
10236 * except.c (call_get_eh_context): Likewise.
10237 * expr.c (emit_block_move): Likewise.
10238 (clear_storage): Likewise.
10239 * profile.c (output_func_start_profiler): Likewise.
10240 * toplev.c (rest_of_decl_compilation): Likewise.
10241 * objc/objc-act.c (create_builtin_decl): Likewise.
10242 (synth_module_prologue): Likewise.
10243 (generate_static_reference): Likewise.
10244 (build_selector_reference_decl): Likewise.
10245 (build_class_reference_decl): Likewise.
10246 (build_objc_string_decl): Likewise.
10247 (build_protocol_reference): Likewise.
10249 2001-01-10 Richard Henderson <rth@redhat.com>
10251 * hwint.h: Revert yesterday's change.
10253 2001-01-10 Nick Clifton <nickc@redhat.com>
10255 * function.h (save_machine_status): Delete.
10256 (restore_machine_status): Delete.
10257 Amend comment describing {init|mark|free}_machine_status.
10259 * function.c (save_machine_status): Delete.
10260 (restore_machine_status): Delete.
10261 Amend comment describing {init|mark|free}_machine_status.
10262 (push_function_context_to): Remove invocation of
10263 save_machine_status.
10264 (pop_function_context_from): Remove invocation of
10265 restore_machine_status.
10267 * emit-rtl.c (init_emit_once): Amend comment describing
10268 {init|mark|free}_machine_status.
10270 * tm.texi (Per-Function Data): New node. Describe the
10271 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10274 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10276 * cppinit.c (OPT_g): Remove.
10277 (cpp_handle_option): Update for removed -g3.
10278 (print_help): Update.
10279 * cpplib.h (struct cpp_options): Remove debug_output.
10280 * cppmain.c (setup_callbacks, cb_define): Update.
10281 * gcc.c (cpp_options): Translate -g3 to -dD.
10283 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10285 * config/i960/i960.md: Change modifier to + on the zero_extract
10286 pattern after the (rotate -2 reg) canonicalization pattern.
10288 2001-01-10 Richard Henderson <rth@redhat.com>
10290 * config/alpha/alpha.c (alpha_free_machine_status): New.
10291 (override_options): Install it.
10292 (alpha_mark_machine_status): Verify machine non-null.
10293 * config/i386/i386.c (ix86_free_machine_status): New.
10294 (override_options): Install it.
10295 (ix86_init_machine_status): Use xcalloc.
10296 (ix86_mark_machine_status): Verify machine non-null.
10297 * config/ia64/ia64.c (ia64_free_machine_status): New.
10298 (ia64_override_options): Install it.
10299 (ia64_mark_machine_status): Verify machine non-null.
10301 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10303 * function.c (instantiate_virtual_regs): Instantiate virtual
10304 registers found in CALL_INSN_FUNCTION_USAGE.
10306 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10308 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10309 equivalent to -ansi in disabling -Di386.
10311 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10313 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10315 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10317 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10319 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10321 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10323 * invoke.texi: Document that -fcond-mismatch isn't supported for
10326 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10328 * gcc.texi: Define macro gcctabopt.
10329 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10330 @command, @env and @option in some places where appropriate. Use
10331 @gcctabopt where appropriate. Put URLs and email addresses inside
10334 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10336 * gcc.c (cpp_options): Set MD file name from output
10337 filename, if specified.
10338 (suffix_subst): New static variable.
10339 (do_spec): Clear it.
10340 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10342 (give_switch): Handle suffix_subst.
10344 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10346 * invoke.texi: Fix another typo.
10348 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10350 * invoke.texi: Fix typo.
10352 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10354 * c-lang.c (lang_hooks): Update.
10355 (lang_decode_option): Remove.
10356 (lang_init_options): Rename c_init_options.
10357 * toplev.c (main): Use lang_hooks for lang_init_options
10358 and lang_decode_option.
10359 * toplev.h (lang_hooks): Add 2 new hooks.
10360 * tree.h: Remove lang_init_options and lang_decode_option.
10361 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10362 * cp/decl2.c: Similarly.
10363 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10364 (lang_hooks): Update.
10365 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10367 (lang_init_options): Rename ffe_init_options.
10368 (lang_hooks): Update.
10369 (lang_decode_option): Remove.
10370 * java/lang.c (lang_init_options): Rename java_init_options.
10371 (lang_decode_option): Rename java_decode_option.
10372 (lang_hooks): Update.
10373 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10374 (lang_decode_option): Rename objc_decode_option.
10375 (lang_hooks): Update.
10377 2001-01-09 Nick Clifton <nickc@redhat.com>
10379 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10380 (d30v_return_addr_rtx): Delete.
10381 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10382 cfun->machine structure.
10383 (struct machine_function): Move to d30v.h
10384 (d30v_save_machine_status): Delete.
10385 (d30v_restore_machine_status): Delete.
10386 (d30v_init_machine_status): New Function.
10387 (d30v_mark_machine_status): New Function.
10388 (d30v_free_machine_status): New Function.
10389 (d30v_init_expanders): Use new functions.
10390 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10391 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10392 d30v_return_addr_rtx.
10394 * config/d30v/d30v.h (struct_machine): Move here.
10395 Add eh_epilogue_sp_ofs field.
10397 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10398 field in cfun->machine structure.
10400 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10402 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10403 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10404 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10406 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10408 * objc/lang-options.h: Remove bogus reference to
10411 2001-01-09 Kazu Hirata <kazu@hxi.com>
10413 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10416 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10418 * reload.c (find_reloads_address): Check for eliminable registers
10419 when substituting a constant expression for a pseudo.
10421 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10423 * c-common.c (enum format_type): Add format_type_error.
10424 (decode_format_type): New function.
10425 (decl_attributes): Use it.
10426 (format_kind_info): Adjust comment.
10428 2001-01-09 David O'Brien <obrien@BSDi.com>
10430 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10431 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10433 * config/i386/gnu.h: Don't include required platform specific .h files,
10434 tm.h will do it instead.
10435 * config/i386/i386elf.h: Likewise.
10436 * config/i386/linux.h: Likewise.
10437 * config/i386/moss.h: Likewise.
10438 * config/mips/gnu.h: Likewise.
10440 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10442 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10443 (rs6000-ibm-aix3.[01]*): Likewise.
10444 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10445 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10446 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10447 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10448 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10449 (powerpc-*-eabiaix*): Likewise.
10450 (powerpc-*-eabisim*): Likewise.
10451 (powerpc-*-elf*): Likewise.
10452 (powerpc-*-eabi*): Likewise.
10453 (powerpc-*-rtems*): Likewise.
10454 (powerpc-*-linux*libc1): Likewise.
10455 (powerpc-*-linux*): Likewise.
10456 (powerpc-wrs-vxworks*): Likewise.
10457 (powerpcle-wrs-vxworks*): Likewise.
10458 (powerpcle-*-sysv*): Likewise.
10459 (powerpcle-*-elf*): Likewise.
10460 (powerpcle-*-eabisim*): Likewise.
10461 (powerpcle-*-eabi*): Likewise.
10462 (powerpcle-*-solaris2*): Likewise.
10463 * config/rs6000/aix31.h: Delete includes.
10464 * config/rs6000/aix3newas.h: Likewise.
10465 * config/rs6000/aix41.h: Likewise.
10466 * config/rs6000/aix43.h: Likewise.
10467 * config/rs6000/beos.h: Likewise.
10468 * config/rs6000/rtems.h: Likewise.
10469 * config/rs6000/sysv4.h: Likewise.
10471 2001-01-09 Kazu Hirata <kazu@hxi.com>
10473 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10474 Change an argument mode of machine_mode to shift_mode of
10475 shift_mode. Remove an extra error check.
10476 (emit_a_shift): Adopt to the new calling prototype of
10478 (function_prologue): Fix code for a monitor
10479 function. Support H8/S.
10480 (function_epilogue): Do not output pop for a monitor function.
10482 2001-01-09 Nick Clifton <nickc@redhat.com>
10484 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10485 (setup_incoming_varargs): Use sysv_varargs_p field of the
10486 cfun->machine structure.
10487 (struct machine_function): Move to rs6000.h
10488 (rs6000_save_machine_status): Delete.
10489 (rs6000_restore_machine_status): Delete.
10490 (rs6000_init_machine_status): New Function.
10491 (rs6000_free_machine_status): New Function.
10492 (rs6000_init_expanders): Use new functions.
10494 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10496 (struct machine_function): Move here.
10498 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10499 sysv_varargs_p field of the cfun->machine structure.
10501 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10503 (rs6000_restore_machine_status): Remove prototype.
10505 2001-01-09 Richard Henderson <rth@redhat.com>
10507 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10508 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10509 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10510 (sched_analyze_2, sched_analyze_insn): Likewise.
10511 (sched_analyze, init_deps): Likewise.
10512 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10513 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10514 (compute_block_backward_dependences): Update propagate_deps call.
10516 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10518 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10520 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10522 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10523 (cpp_handle_option): Handle them.
10524 (cpp_post_options): Ensure one of -M or -MM is specified with
10525 any other -M? option.
10526 (init_dependency_output): Suppress output with -MG.
10528 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10530 * cpp.texi: Update.
10531 * invoke.texi: Update.
10533 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10535 * sh.md (reload_outsf): Generate recognizable patterns for
10538 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10540 * c-lang.c (lang_hooks): Update.
10541 (lang_init): Rename c_init.
10542 (lang_finish): Remove.
10543 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10544 and lang_finish ().
10545 * toplev.h (lang_hooks): Add init () and finish ().
10546 * tree.h (lang_init, lang_finish): Remove.
10547 * cp/tree.h (lang_init, lang_finish): Remove.
10548 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10549 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10551 (lang_init, lang_finish): Remove.
10552 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10553 (lang_hooks): Update.
10554 * java/lang.c (lang_init): Rename java_init.
10555 (lang_finish): Remove.
10556 (lang_hooks): Update.
10557 * objc/objc-act.c (lang_init): Rename objc_init.
10558 (lang_finish): Remove.
10559 (lang_hoooks): Update.
10561 20001-01-09 Graham Stott <grahams@redhat.com>
10563 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10564 after `ptr` is initialised.
10566 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10568 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10569 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10570 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10571 stack adjusts, instead of r3.
10573 2001-01-09 Michael Hayes <mhayes@redhat.com>
10575 * flow.c (flow_loop_scan): Break out of ...
10576 (flow_loops_find) ... here.
10577 * basic-block.h (flow_loop_scan): New.
10578 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10579 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10581 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10583 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10585 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10586 realloc()ing macro_buffer.
10588 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10589 if it's wider than long and the target's long is wider than the
10592 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10594 Remove support for using UWIN as a host machine.
10595 * configure.in: Issue an error message.
10596 * configure: Regenerated.
10597 * config.gcc: Remove xm_* UWIN configury.
10598 * config/i386/xm-uwin.h: Remove.
10600 2001-01-08 Nick Clifton <nickc@redhat.com>
10602 * config/v850/v850.c (ra_rtx): Delete.
10603 (v850_save_machine_status): Delete.
10604 (v850_restore_machine_status): Delete.
10605 (v850_init_machine_status): New function.
10606 (v850_mark_machine_status): New function.
10607 (v850_free_machine_status): New function.
10608 (v850_return_addr): Use ra_rtx field in machine structure.
10609 (v850_init_expanders): Use new functions.
10611 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10612 * config/v850/v850.c: Change arguments to v850_output+* functions
10613 to take a const char *, to avoid compile time warning.
10614 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10615 (USER_LABEL_PREFIX): Redefine.
10617 2000-01-08 Jim Wilson <wilson@redhat.com>
10619 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10620 1 to unsigned HOST_WIDE_INT before left shift.
10622 2001-01-08 Nick Clifton <nickc@redhat.com>
10624 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10625 the machine structure has been allocated.
10626 (arm_free_machine_status): New function: Free the machine
10627 specific function structure.
10629 2001-01-08 Richard Henderson <rth@redhat.com>
10631 * jump.c (simplejump_p): Revert last change.
10633 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10635 * cppinit.c (init): Rename init_library.
10636 (cpp_create_reader): Update.
10637 * gcc.c (cpp_options): If -o given, use it as the target of
10640 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10642 * arm.c (arm_arch5e): New variable.
10643 (all_cores): XScale is a 5TE device.
10644 (arm_override_options): Set arm_arch5e.
10645 (arm_init_builtins): __builtin_prefetch is in arch5e.
10646 * arm.h (arm_arch5e): Declare it.
10648 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10650 * arm.md (define_constants): Add defines for UNSPEC and
10651 UNSPEC_VOLATILE insns. Update all users.
10652 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10653 * arm.c (multi_register_push, note_invalid_constants)
10654 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10655 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10656 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10658 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10660 * jump.c (jump_optimize_1): Use reversed_comparison_code
10661 instead of can_reverse_comparison_p.
10662 (jump_back_p): Likewise.
10663 (invert_exp_1): Likewise.
10664 (thread_jumps): Likewise.
10665 * simplify-rtx.c (simplify_unary_operation): Likewise.
10666 (simplify_ternary_operation): Likewise.
10667 * cse.c (find_comparison_args): Convert to use
10668 can_reverse_comparison_p.
10669 (record_jump_equiv): Likewise.
10671 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10673 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10674 (EPILOGUE_USES): Define.
10675 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10676 automatically stack the LR if it isn't live.
10678 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10680 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10683 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10685 * ggc-page.c (max_alignment): New structure.
10686 (MAX_ALIGNMENT): New macro.
10687 (init_ggc): Use it to round up the sizes in the
10688 extra_order_size_table.
10690 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10692 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10695 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10697 * builtins.def (BUILT_IN_FPRINTF): New entry.
10699 * c-common.c (c_expand_builtin_fprintf): New function.
10700 (init_function_format_info): Handle __builtin_fprintf.
10701 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10702 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10704 * c-decl.c (duplicate_decls): Adjust comment.
10706 * extend.texi (fprintf): Document new builtin.
10708 2001-01-07 Richard Henderson <rth@redhat.com>
10710 * jump.c (simplejump_p): Recognize any single_set jump
10711 of the proper form.
10713 2001-01-07 Richard Henderson <rth@redhat.com>
10715 * configure.in (slibdir): Accept an --with-slibdir option.
10716 Use "test" not "[" in configure. Default to $(libdir).
10718 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10720 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10721 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10722 (SHLIB_LINK): Create links for the soname.
10723 * config/mips/t-iris6: Likewise.
10724 * config/sparc/t-slibgcc: Likewise.
10725 * config/sparc/t-slibgcc-sld: Likewise.
10727 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10729 * config/i386/i386.c (constant_call_address_operand): Accept
10730 (const (plus (symbol_ref) (const_int))).
10731 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10732 constant_call_address_operand.
10734 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10736 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10737 and LONG_LONG_TYPE_SIZE > 32.
10739 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10741 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10742 the previous change.
10744 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10746 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10748 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10749 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10750 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10753 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10755 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10757 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10759 * c-lang.c (c_post_options): Call cpp_post_options.
10760 * objc/objc-act.c (objc_post_options): Similarly.
10761 * cppmain.c (main): Similarly.
10762 * fix-header.c (read_scan_file): Similarly.
10763 * cppinit.c (cpp_start_read): Move option consistency checks
10764 to cpp_post_options. Don't call init_dependency_output.
10765 If needed, add default target and main file dependency.
10766 (OPT_MD, OPT_MMD): Remove.
10768 (cpp_handle_option): Update for OPT_* changes.
10769 (cpp_post_options): New.
10770 (init_dependency_output): Command line -MF overrides environment
10771 variables. Don't set default target etc. Suppress output
10772 if dependencies are going to stdout.
10773 (print_help): Update.
10774 * cpplib.h (cpp_post_options): New.
10775 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10777 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10779 * jump.c (comparison_dominates_p): Support unordered compares.
10781 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10783 * simplify-rtx.c (simplify_relational_operation): Always simplify
10784 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10787 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10789 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10790 (nonzero_bits): Likewise.
10791 (simplify_comparison): Likewise.
10792 (num_sign_bit_copies): Likewise; return more sane value depending
10793 on STORE_FLAG_VALUE.
10794 (known_cond): Do not assume EQ to be always true for equivalent
10797 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10799 * cse.c (fold_rtx): Handle unordered comparisons.
10801 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10803 * rtlanal.c (set_of_1): New static function.
10804 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10805 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10806 reg_set_last_last_regno): Remove.
10807 (set_of): New global function.
10808 (set_of_data): New structure.
10809 (reg_set_p, reg_set_last): Revamp for set_of.
10810 * rtl.h (set_of): New.
10812 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10814 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10815 * extend.texi: Document _Exit builtin.
10817 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10819 * (initialize, initialize_builtins,
10820 initialize_dependency_output, initialize_standard_includes):
10821 Rename s/initialize/init. Update.
10822 (init_dependency_output): Move to after
10823 cpp_handle_options, the correct location temporally at least.
10824 (opt_comp): Move next to init (), its caller. Fix prototype.
10825 (init): Make "initialized" local scope.
10826 (cpp_create_reader): Always call init ().
10827 (cpp_start_read): Update.
10828 (output_deps): New function, broken out of cpp_finish.
10829 (cpp_finish): Break out output_deps.
10831 2001-01-07 Richard Henderson <rth@redhat.com>
10833 * collect2.c (COFF specific stuff): Revert 12-06 patch
10834 to prototype system functions.
10836 2001-01-07 Michael Hayes <mhayes@redhat.com>
10838 * hard-reg-set.h: Add multiple include guard.
10839 * basic-block.h (struct loop): Add `sink' field.
10840 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10841 (emit_iv_add_mult): Delete.
10842 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10843 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10844 (unroll_loop): Remove end_insert_before argument.
10845 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10846 (maybe_eliminate_biv_1): Likewise.
10847 (emit_iv_add_mult): Delete.
10848 (gen_add_mult, loop_regs_update): New.
10849 (loop_insn_emit_after, loop_insn_emit_before): New.
10850 (loop_insn_sink, loop_insn_sink_or_swim): New.
10851 (emit_iv_add_mult): Delete.
10852 (scan_loop): Set loop->sink.
10853 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10854 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10855 (maybe_eliminate_biv_1): Likewise.
10856 (maybe_eliminate_biv_1): Add basic block argument.
10857 * unroll.c (unroll_loop): Remove end_insert_before argument.
10858 (find_splittable_regs): Likewise.
10859 (find_splittable_regs): Use loop_insn_sink and its ilk.
10860 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10862 2001-01-07 Michael Hayes <mhayes@redhat.com>
10864 * loop.h (loop_insn_hoist): New prototype.
10865 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10866 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10867 (check_dbra_loop, load_mems): Likewise.
10868 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10869 (find_splittable_givs): Likewise.
10871 2001-01-07 Michael Hayes <mhayes@redhat.com>
10873 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10875 2001-01-07 Richard Henderson <rth@redhat.com>
10877 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10879 2001-01-07 Richard Henderson <rth@redhat.com>
10881 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10882 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10883 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10884 variant that handles a shared libgcc.
10885 (process_command): Always validate -{static,shared}-libgcc.
10886 (do_spec_1): New 'M' case.
10887 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10889 2001-01-07 Richard Henderson <rth@redhat.com>
10891 * Makefile.in (slibdir): New variable.
10892 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10893 (installdirs): Create slibdir.
10894 (install-libgcc, install-multilib): Defer to libgcc.mk.
10895 * configure.in (slibdir): Substitute.
10896 * mklibgcc.in (install): New target.
10898 * config/t-linux (SHLIB_LINK): Create links for the soname.
10899 (SHLIB_INSTALL): New.
10900 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10901 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10902 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10903 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10904 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10906 2001-01-07 Richard Henderson <rth@redhat.com>
10908 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10909 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10910 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10912 2001-01-07 Michael Hayes <mhayes@redhat.com>
10914 * loop.c (count_loop_regs_set): Delete.
10915 (load_mems_and_recount_loop_regs_set): Delete.
10916 (loop_regs_scan): Merge common code from count_loop_regs_set,
10917 scan_loop, and load_mems_and_recount_loop_regs_set.
10918 (scan_loop): Call load_mems directly and loop_regs_scan
10919 again if new registers created.
10921 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10923 * toplev.c (main): Call the front-end specific post_options
10924 hook if one is given.
10925 * toplev.h (struct_lang_hooks, lang_hooks): New.
10926 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10927 for the C front end.
10928 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10929 lang_hooks for the C++ front end.
10930 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10931 lang_hooks for the ObjC front end.
10932 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10933 * java/lang.c (lang_hooks): Hooks for the Java front end.
10935 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10937 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10938 for verbose DWARF[2] debugging.
10939 (cb_define, cb_undef): The new callbacks.
10940 * toplev.h (debug_define, debug_undef): Make const correct.
10941 * toplev.c (debug_define, debug_undef): Similarly. Do not
10942 perform the verbosity tests here anymore.
10944 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10946 * reload.c (subst_reloads): Take INSN argument. When
10947 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10948 * reload.h (subst_reloads): Adjust prototype.
10949 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10950 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10951 present in JUMP_INSNs and copy them to JUMP_LABEL.
10952 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10953 JUMP_INSNs and insns with REG_LABELs that are followed by
10954 JUMP_INSNs with the same REG_LABEL.
10955 * sched-rgn.c (is_cfg_nonregular): Likewise.
10956 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10958 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10960 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10962 2001-01-06 Richard Henderson <rth@redhat.com>
10964 * loop.c (scan_loop): Use xcalloc for the regs array.
10965 (load_mems_and_recount_loop_regs_set): Zero the new memory
10966 received from xrealloc.
10968 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10970 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10972 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10974 * integrate.c (copy_rtx_and_substitute): When copying
10975 an ignored return value, strip REG_FUNCTION_VALUE_P.
10977 2001-01-06 Michael Hayes <mhayes@redhat.com>
10979 * loop.c (debug_biv, debug_giv): New.
10980 (loop_biv_dump): Break out from ...
10981 (record_biv): ... here.
10982 (loop_giv_dump): Break out from ...
10983 (record_giv): ... here.
10984 (loop_bivs_check): Use print_simple_rtl.
10985 * unroll.c (loop_iterations): Use print_simple_rtl.
10987 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10989 * pa.md (return, return_internal): Modify patterns to prevent regrename
10990 mucking with the return pointer.
10992 2001-01-05 Richard Henderson <rth@redhat.com>
10994 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10996 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10998 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10999 version supplied by Matteo Frigo.
11001 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11003 * cpp.texi: Update for -MQ.
11004 * cppinit.c (cpp_create_reader): Always create pfile->deps.
11005 (cpp_cleanup): Always free pfile->deps.
11006 (initialize_dependency_output): Don't create pfile->deps.
11007 (cpp_handle_option): Similarly.
11009 * gcc.c (cpp_options): Handle -MQ.
11010 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
11011 * mkdeps.c (base_name): Remove.
11012 (deps_init): Don't allocate vector space until it's needed.
11013 (deps_free): Only free vectors if allocated.
11014 (deps_add_target, deps_add_dep): Update for initial allocation.
11015 (deps_add_default_target): Don't strip to the base_name.
11017 2001-01-05 DJ Delorie <dj@redhat.com>
11019 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
11020 (INIT_EXPANDERS): Define.
11022 * config/v850/v850.c (struct machine_function): Define.
11023 (v850_save_machine_status): New function.
11024 (v850_restore_machine_status): New function.
11025 (v850_return_addr): New function.
11026 (v850_init_expanders): New function.
11028 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
11029 and v850_init_expanders.
11031 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11033 * cpplib.h (struct cpp_reader): Add help_only field.
11034 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
11035 (cpp_handle_option): Set pfile->help_only if we see -h,
11036 --help, -target-help, or --version. Print version string but
11037 do not set help_only if we see -v or -version. Make text
11038 printed by -v match that printed by (-)-version.
11040 * cppmain.c (main): Exit after option parsing if
11041 pfile->help_only is true.
11043 * toplev.c (independent_decode_option): Call print_version,
11044 then exit, if we see --version (but not -version).
11045 (print_version): Split lengthy message into two lines.
11047 2001-01-05 Nick Clifton <nickc@redhat.com>
11049 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
11050 temporary string for initialisation before calling ggc_alloc_string.
11052 2001-01-06 Michael Hayes <mhayes@redhat.com>
11054 * rtl.h (print_simple_rtl): New.
11055 * print-rtl.c (print_simple_rtl): New.
11056 (flag_simple): New.
11057 (print_rtx): Disable printing of flags and modes, etc.,
11058 if `flag_simple` nonzero.
11060 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
11062 * function.c (fixup_var_refs): Use push_to_full_sequence where
11065 2001-01-05 Michael Meissner <meissner@redhat.com>
11067 * flags.h (flag_reorder_blocks): Add declaration.
11068 (flag_rename_block): Ditto.
11070 2001-01-05 DJ Delorie <dj@redhat.com>
11072 * function.c (reorder_blocks): Make sure the flags are all reset
11073 before using them to mark blocks, else a second invocation will
11074 corrupt the block chain.
11075 (reorder_blocks_0): New, resets the flags.
11077 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
11079 * cse.c (find_comparison_args): Stop if the argument is known to
11082 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11084 * config/sh/sh.md (movdf): When splitting load into pair of
11085 registers, don't clobber the register used in the address too
11088 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
11090 * varasm.c (mark_constant_pool): Improve initial comments.
11091 (mark_constants): Move marking of constants to mark_constant.
11092 (mark_constant): New function to recursively mark all constants
11093 referred to by a constant.
11095 2001-01-05 Catherine Moore <clm@redhat.com>
11097 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
11099 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11101 * cp/lang-options.h: Bring comment in line with reality.
11102 * f/lang-options.h: Likewise.
11103 * java/lang-options.h: Likewise.
11104 * objc/lang-options.h: Likewise.
11105 * ch/lang-options.h: Likewise.
11106 * f/g77.texi: And update the manual.
11108 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11109 Denis Chertykov <denisc@overta.ru>
11111 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11112 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11113 * config/avr/avr.md (all peepholes that request a scratch register):
11114 Call it, FAIL the peephole if not safe (in interrupt functions).
11116 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11118 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11120 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11122 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11124 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11125 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11126 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11127 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11128 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11130 * extend.texi: Document these builtins.
11132 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11134 * c-common.c (lang_get_alias_set): Say we know nothing of
11135 VECTOR_TYPE aliasing.
11137 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11139 2001-01-05 Bruce Korb <bkorb@gnu.org>
11141 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11142 their x* equivalent versions for atexit-less systems
11143 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11144 systems (or any other system any more).
11146 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11148 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11149 output operands. Use arm_hard_register_operand for operand 4.
11150 (stmsi_postinc): Similarly.
11151 (ldmsi): Use arm_hard_register_operand for opernand 2.
11152 (stmsi): Similarly.
11153 * arm.c (arm_hard_register_operand): New function.
11154 * arm-protos.h (arm_hard_register_operand): Prototype it.
11156 * arm.h (HARD_REGNO_RENAME_OK): Define.
11158 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11160 * simplify-rtx.c (cfc_args): add "unordered" field.
11161 (check_fold_consts): Set unordered field.
11162 (simplify_relational_operation): Simplify the unordered
11165 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11168 * emit-rtl.c (try_split): Fix code to mark labels.
11169 * jump.c (mark_jump_label): Make global.
11170 * rtl.h (mark_jump_label): Declare.
11172 * predict.c (estimate_probability): Handle unordred comparisons.
11174 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11176 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11177 * cppinit.c (initialize_dependency_output): Update.
11178 (cpp_finish): Output dummy targets for -MP.
11180 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11181 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11182 * gcc.c (cpp_options): Update to handle -MP.
11183 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11184 to quote only the default target.
11185 (deps_phony_targets): Insert a preceding newline. Rename from
11186 deps_dummy_targets for consistency.
11189 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11191 * calls.c (emit_library_call_value_1): Support
11192 INIT_CUMULATIVE_LIBCALL_ARGS.
11193 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11195 2001-01-04 Richard Henderson <rth@redhat.com>
11197 * c-decl.c (finish_struct): Detect flexible array members
11198 used in an inappropriate context.
11199 * c-typeck.c (really_start_incremental_init): Special case
11200 constructor_max_index for zero length arrays.
11201 (pop_init_level): Allow initialization of flexible array
11202 members. Deprecate initialization of zero length arrays.
11203 Don't issue missing initializer warning for flexible array
11204 members or zero length arrays.
11205 (process_init_element): Don't dereference null DECL_SIZE.
11206 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11207 Don't abort for empty constructors. Use size_binop
11208 (output_constructor): Add commentary regarding zero length
11209 array futures. Abort if we try to initialize an array of
11210 unspecified length with a non-empty constructor in the middle
11213 * extend.texi (Zero Length): Update and clarify documentation
11214 on static initialization.
11216 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11218 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11219 with more than 32767 words of local storage.
11221 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11223 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11224 for 'abs', 'labs', and 'fabs'.
11225 (c4x_expand_builtin): Likewise.
11226 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11228 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11230 * config/sh/sh.md (prget, prset): New insn types.
11231 (return delay slot): Dont' allow prset.
11232 (call, sfunc delay slot): Don't allow prget.
11233 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11234 for prset and prget.
11236 2001-01-05 Michael Hayes <mhayes@redhat.com>
11238 * loop.h (struct loop_reg): New.
11239 (struct loop_regs): Change to use array of `struct loop_reg'.
11240 * loop.c: Replace assortment of varrays with single regs array.
11241 (count_one_set): Delete may_not_move array argument
11242 and use regs array instead. All caller's changed.
11243 (count_loop_regs_set): Delete may_not_move and single_usage
11244 arguments and use regs array instead. All caller's changed.
11245 (find_single_use_in_loop): Replace usage array argument with pointer
11246 to regs structure. All caller's changed.
11247 (loop_optimize): Delete `moved_once' array.
11249 2001-01-05 Michael Hayes <mhayes@redhat.com>
11251 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11252 Use it instead of loop_info->has_call for scanning loop mems.
11253 (check_dbra_loop): Replace loop_info->has_call test with
11254 loop_info->has_nonconst_call.
11256 2000-01-04 Matthew Hiller <hiller@redhat.com>
11258 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11261 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11263 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11264 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11266 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11268 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11269 (flag_short_double, flag_short_wchar): Define.
11270 (c_common_nodes_and_builtins): Create many tree nodes shared
11271 between C and C++ here instead of in cp/decl.c and ...
11272 * c-decl.c (init_decl_processing): ... here.
11273 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11274 (flag_short_double, flag_short_wchar): Don't define.
11275 (record_builtin_type): New function.
11276 (build_void_list_node): New function.
11277 * c-common.h (flag_short_double, flag_short_wchar,
11278 record_builtin_type, build_void_list_node): Declare.
11280 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11282 * integrate.c (expand_inline_function): Don't put a virtual
11283 register into the reg map.
11285 * function.c (fixup_var_refs_1): If force_operand didn't put
11286 the address into the target, move it there.
11288 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11290 Special-case tree_decl/tree_list allocations.
11291 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11292 (OBJECT_SIZE): New macro.
11293 (NUM_EXTRA_ORDER): Likewise.
11294 (extra_order_size_table): New variable.
11295 (NUM_ORDERS): New macro.
11296 (objects_per_page_table): New variable.
11297 (object_size_table): New variable.
11298 (G.pages): Use NUM_ORDERS to bound the array.
11299 (G.page_tails): Likewise.
11300 (DIV_ROUND_UP): Remove.
11301 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11302 (alloc_page): Use OBJECT_SIZE.
11303 (size_lookup): Don't make it const.
11304 (ggc_alloc): Use OBJECT_SIZE.
11305 (ggc_set_mark): Likewise.
11306 (ggc_get_size): Likewise.
11307 (init_ggc): Set up the object_size_table, objects_per_page_table,
11308 and adjust size_lookup.
11309 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11310 (ggc_pop_context): Use NUM_ORDERS.
11311 (clear_marks): Likewise.
11312 (sweep_pages): Likewise.
11313 (poison_pages): Likewise.
11314 (ggc_print_statistics): Use OBJECT_SIZE.
11316 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11318 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11319 Only call array_size_for_constructor if last field and array type
11320 with no upper bound.
11322 2001-01-04 Philip Blundell <philb@gnu.org>
11324 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11325 from bit 31 downwards, if this requires no more insns.
11326 (count_insns_for_constant): New helper function for above.
11328 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11330 * gencodes.c (output_predicate_decls): Remove empty initializer.
11332 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11334 * tree.c (copy_node): Remove documentation about obstacks.
11335 (buidl1): Check that nobody tries to build 2-argument nodes this
11338 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11340 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11343 * gencodes.c (output_predicate_decls): Fill empty initializer
11346 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11348 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11349 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11351 (do_include): Handle missing headers like cpp0.
11352 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11353 paths with first include pathname. Don't strcat to uninitialized
11356 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11358 * regrename.c (regrename_optimize): Don't rename from frame pointer
11359 if frame_pointer_needed.
11360 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11361 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11362 (ia64_reorg): Use it instead of scheduling if ! optimize.
11363 (errata_emit_nops): Properly call asm_noperands.
11364 (ia64_sched_reorder): Finish cycle if we see an asm.
11365 (ia64_variable_issue): Clear scheduling state after asms.
11367 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11369 * cpp.texi: Update for -MT.
11370 * cppinit.c (initialize_dependency_output): Add a default
11371 target if none has been given already.
11372 (no_tgt, OPT_MT): New.
11373 (cpp_handle_option): Handle -MT. Update -M etc.
11374 * cpplib.h (struct cpp_options): Remove deps_target.
11375 * gcc.c (cpp_options): Handle -MT.
11376 * mkdeps.c (struct deps): Move from mkdeps.h.
11377 (deps_calc_target): Rename deps_add_default_target. Add a
11378 default target if none has been specified already.
11379 * mkdeps.h (struct deps): Move to mkdeps.c.
11380 (deps_calc_target): Rename deps_add_default_target.
11382 2000-01-03 Richard Henderson <rth@redhat.com>
11384 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11386 * c-typeck.c (push_init_level): Move checks for flexible array
11387 members and zero length arrays ...
11388 (pop_init_level): ... here. Silently discard empty initializations.
11390 * varasm.c (output_constructor): Update for sizeof change to
11391 zero-length arrays.
11393 * extend.texi (Zero Length): Clarify semantics.
11395 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11397 * configure.in (tm.h): Include isns-codes.h last.
11398 * configure: Rebuilt.
11400 2001-01-03 Richard Henderson <rth@redhat.com>
11402 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11403 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11405 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11407 * tradcpp.c (main): Make sure finclude() is called with a valid
11408 indepth value while handling -include.
11410 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11412 * gencodes.c (output_predicate_decls): New function.
11414 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11415 even if it is not the first time machmode.h is #included.
11416 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11417 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11418 * gcc.texi (Copyright): Added 2001.
11420 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11422 * c-common.c (c_common_lang_init): New function. Warn if format
11423 warning options which only have effects when used with -Wformat
11424 are used without -Wformat.
11425 * c-common.h (c_common_lang_init): Declare.
11426 * c-lang.c (lang_init): Call c_common_lang_init.
11427 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11429 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11431 * configure.in: Check for the mktemp command.
11432 * configure: Regenerate.
11433 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11434 $TEMP. Create temporary files with mktemp, if available at
11435 configure time; otherwise use set -C. Remove temporary files
11438 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11440 * configure.in: Require at least texinfo 4.0. Check for whether
11441 Pod::Man is sufficiently recent to regenerate GCC manpages.
11442 * configure: Regenerate.
11443 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11445 (GENERATED_MANPAGES): Define.
11446 (generated-manpages): New target. Depend on cpp.1 as well as
11448 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11449 configure to generated-manpages or empty) rather than on the
11450 manpages directly. Remove execute permission from installed
11451 gcov.1 as well as cpp.1.
11452 * cpp.1, gcov.1: Regenerate.
11454 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11456 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11457 tree_low_cst. Allow using cmpstrsi in more cases.
11459 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11461 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11464 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11466 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11467 * Makefile.in (HOST_CFLAGS): Mention build-make.
11469 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11471 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11474 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11476 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11479 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11482 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11483 reg_base_value and reg_known_value arrays.
11484 (init_alias_analysis): Add more cases to detect known values.
11485 * sched-deps.c (deps_may_trap_p): New function.
11486 (sched_analyze_2): Use it.
11488 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11490 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11491 don't discard an ASHIFTRT if we're shifting in a wider mode.
11493 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11495 * toplev.c (rest_of_compilation): Don't print basic block information
11496 when CFG isn't up to date.
11498 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11500 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11501 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11502 (UNALIGNED_SHORT_ASM_OP): Define.
11503 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11505 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11507 * fold-const.c (fold_convert): Fix typo.
11509 2001-01-02 Richard Henderson <rth@redhat.com>
11511 * c-common.h (ASM_INPUT_P): New.
11512 * c-parse.in (asm): Set it when needed.
11513 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11514 existance of an operand.
11516 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11518 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11519 (dwarf2out_frame_debug_expr): Likewise.
11520 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11522 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11524 * i386.c (ix86_split_to_parts): Return number of part required;
11526 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11528 (ix86_split_long_move): Use number of part returned
11529 by ix86_split_to_parts
11530 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11532 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11533 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11534 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11535 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11536 (ALIGN_MODE_128): Add TFmode.
11537 (IS_STACK_MODE): Likewise.
11538 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11539 (HARD_REGNO_OK): Support TFmodes.
11540 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11541 * i386.md (scheduler definitions): Use memory operand to determine
11542 fst/fld instructions; use mode attribute to determine real mode of
11544 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11545 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11547 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11549 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11551 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11553 * expr.c (store_constructor_field): Update ALIGN before calling
11556 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11558 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11561 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11563 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11566 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11568 * c-decl.c (start_function): Don't warn on third parameter to main.
11570 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11572 * tsystem.h: Define HAVE_DECL_GETOPT.
11574 2001-01-02 Philip Blundell <pb@futuretv.com>
11576 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11579 2001-01-02 Richard Henderson <rth@redhat.com>
11581 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11583 2001-01-02 Andreas Jaeger <aj@suse.de>
11585 * c-decl.c (c_decode_option): Remove support of
11586 -Wmissing-noreturn.
11588 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11589 (W_options): Add -Wmissing-noreturn here.
11591 * flow.c: Define lang_missing_noreturn_ok_p.
11592 (check_function_return_warnings): Use it.
11594 * c-common.h: Declare lang_missing_noreturn_ok_p.
11596 * c-lang.c (c_missing_noreturn_ok_p): New function.
11597 (lang_init): Set lang_missing_noreturn_ok_p.
11599 * invoke.texi (Warning Options): Document this.
11601 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11603 * extend.texi (C++ Extensions): New node for C++ attributes;
11604 describe init_priority and com_interface.
11605 * invoke.texi: Remove -finit-priority as it now has zero effect.
11606 * install.texi: Fix xref syntax.
11607 * md.texi: Likewise.
11609 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11611 * config.gcc (sparc64-wrs-vxworks*): New case.
11612 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11614 * config/sparc/sparc.c (sparc_override_options): Do support different
11615 pointer and architecture size.
11616 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11617 (POINTERS_EXTEND_UNSIGNED): Define.
11618 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11619 (FUNCTION_MODE): Define to be Pmode.
11620 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11622 * function.c (expand_function_end): Properly handle DECL_RESULT
11623 and copy when ptr_mode != Pmode.
11624 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11626 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11628 * c-common.c (c_common_nodes_and_builtins): Set prototype
11629 parameters for __builtin_fputs, __builtin_fputc and
11630 __builtin_fwrite. Don't declare plain fputc as a builtin.
11632 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11634 * loop.c (add_label_notes): Increment the label usage count when
11635 a note is added to an insn which refers to a CODE_LABEL.
11636 * gcse.c (add_label_notes): Likewise.
11638 2001-01-01 Andreas Jaeger <aj@suse.de>
11640 * loop.c (scan_loop): Use xmalloc to allocate movables.
11642 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11644 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11645 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11646 * reload1.c (REGISTER_MOVE_COST): Likewise.
11647 * regclass.c (REGISTER_MOVE_COST): Likewise.
11648 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11649 dimension. Adjust all users.
11650 (init_reg_sets_1): Iterate on all modes.
11651 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11652 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11653 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11654 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11655 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11656 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11657 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11658 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11659 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11660 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11661 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11662 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11663 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11664 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11665 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11666 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11667 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11668 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11669 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11670 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11671 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11672 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11673 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11674 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11675 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11676 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11677 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11679 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11681 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11682 arg VARIES_P. Call it with extra arg.
11683 (true_dependence): Likewise.
11684 * rtl.h (rtx_addr_can_trap_p): Declare.
11685 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11687 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11688 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11689 pic offset table register if it's zero. All callers changed.
11690 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11692 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11694 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11695 STRING_POOL_ADDRESS_P.
11697 * config/sparc/sparc.c (input_operand): Properly test for short op.
11699 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11700 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11701 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11702 * config/sparc/elf.h: No longer include sol2.h.
11703 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11704 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11706 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11708 2001-01-01 Michael Hayes <mhayes@redhat.com>
11710 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11711 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11712 (record_initial): Likewise.
11713 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11714 (remap_split_bivs): Likewise.
11716 2001-01-01 Michael Hayes <mhayes@redhat.com>
11718 * loop.c (loop_ivs_free): New function.
11719 (strength_reduce): Break out from...
11721 2001-01-01 Michael Hayes <mhayes@redhat.com>
11723 * loop.h (struct iv): New.
11724 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11725 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11726 'reg_biv_class' fields with 'regs' and 'n_regs'.
11727 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11728 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11729 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11731 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11733 * resource.c (mark_referenced_resources): Abort() before
11734 attempting to mark a pseudo register.
11735 (mark_set_resources): Likewise.
11737 2001-01-01 Michael Hayes <mhayes@redhat.com>
11739 * loop.h (REG_IV_CLASS): New accessor macro.
11740 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11741 * unroll.c (REG_IV_CLASS): Likewise.
11743 See ChangeLog.4 for earlier changes.