1 2001-05-23 Kelley Cook <kelley.cook@home.com>
3 * Makefile.in: Move many of the *_H definitions eariler in the
4 file, so that rules in t-* files that use them for
5 dependencies will work in a parallel build.
6 * config/i386/t-cygwin (winnt.o): Depend on $(CONFIG_H).
8 2001-05-23 Richard Henderson <rth@redhat.com>
10 * integrate.c (expand_inline_function): Handle CONCAT DECL_RESULT.
12 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
14 * cpp.texi: Update for handling of charconsts.
15 * cpplex.c (maybe_read_ucs): Don't accept D800-DFFF. Update
16 diagnostics. Skip to the end if the UCS is too short.
17 (cpp_interpret_charconst): Long charconsts issue a warning
20 2001-05-23 Richard Henderson <rth@redhat.com>
22 * doc/install.texi (alpha-linux): Require binutils 2.11.
24 2001-05-23 Neil Booth <neil@daikokuya.demon.co.uk>
26 * c-lex.c (read_escape, read_ucs): Delete.
27 (lex_string): Use cpp_parse_escape.
28 * cpplex.c (read_ucs): Rename maybe_read_ucs. Do nothing
29 if not C++ or not C99. Warn if traditional.
30 (parse_escape): Rename cpp_parse_escape. Make the bitmask
31 unsigned. Warn for out-of-range escape sequences here.
32 Update to use maybe_read_ucs.
33 (cpp_interpret_charconst): Don't warn here.
34 * cpplib.h (cpp_parse_escape): New exported function.
36 2001-05-23 Joseph S. Myers <jsm28@cam.ac.uk>
38 * extend.texi (Attribute Syntax): Clarify application of
39 attributes to parameters declared as functions or arrays.
41 2001-05-23 Jason Merrill <jason_merrill@redhat.com>
43 * dbxout.c (dbxout_type_methods): Do still group methods by name.
45 2001-05-23 Zack Weinberg <zackw@stanford.edu>
47 * diagnostic.c (vnotice): Kill.
48 (fnotice): Call vfprintf directly.
49 (diagnostic_for_decl, output_do_verbatim, output_verbatim,
50 verbatim, set_diagnostic_context): Rename string argument to
51 indicate that it is run through gettext.
52 (vbuild_message_string, build_message_string, output_do_printf):
53 Rename string argument to indicate that it is NOT run through
55 (output_printf, diagnostic_for_decl, fatal_io_error, sorry,
56 output_do_verbatim, set_diagnostic_context, fnotice, _fatal_insn):
57 Run msgid argument through gettext.
58 (default_print_error_function): Run constant strings through
59 gettext when nothing else will.
60 (fatal_error, internal_error, error_recursion): Use fnotice.
61 Present complete sentences to gettext.
63 2001-05-23 Mark Mitchell <mark@codesourcery.com>
65 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
67 2001-05-23 Richard Henderson <rth@redhat.com>
69 * function.c (expand_function_start): Always use a pseudo
70 for the function result value.
72 2001-05-22 Richard Henderson <rth@redhat.com>
74 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
75 section pointer alignment.
77 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
79 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
80 of __USER_LABEL_PREFIX__.
82 2001-05-22 Richard Henderson <rth@redhat.com>
84 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
85 (__deregister_frame_info_bases): New.
86 * unwind-dw2-fde.h: Declare it.
87 * libgcc-std.ver: Export it.
88 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
89 called __register_frame_info_bases.
91 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
93 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
94 instead of #elif (which is OK for this case but not in general).
96 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
98 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
99 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
100 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
101 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
102 "r2" to the assembly file. Only issue allocs with non-zero parameters.
104 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
105 David O'Brien <obrien@freebsd.org>
107 * config/freebsd.h (LIB_SPEC): Key the exact setting to
108 configure-time options and target version of FreeBSD. Set-up
109 to match architectural change in threading support. Correctly
110 report when -pthread option is not supported by configure-time
112 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
113 and extend to encode target version number in run-time setting
114 of __FreeBSD__ macro to match the system compiler.
115 (CPP_PREDEFINES): Likewise.
116 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
118 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
119 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
121 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
122 David O'Brien <obrien@freebsd.org>
124 * config.gcc (the unlabeled system switch statement): Add
125 generic configuration section to handle *-*-freebsd*. Also,
126 to match the system compiler, default to threading support (it
127 may be disabled with the standard --disable-threads
128 configuration-time switch).
129 (i[34567]86-*-freebsd* in machine-specific section): Use it.
130 (alpha*-*-freebsd* in machine-specific section): Likewise.
132 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
133 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
134 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
135 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
136 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
138 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
139 David O'Brien <obrien@freebsd.org>
141 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
142 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
143 -pthread instead setting macro.
145 2001-05-22 Richard Henderson <rth@redhat.com>
147 * crtstuff.c (__register_frame_info_bases): Declare.
148 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
149 (__do_global_dtors_aux, __do_global_dtors): Streamline.
151 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
152 (CRT_GET_RFIB_DATA): New.
153 * config/i386/sysv4.h: Likewise.
154 * config/i386/sco5.h: Likewise.
155 (ASM_PREFERRED_EH_DATA_FORMAT): New.
157 2001-05-22 Richard Henderson <rth@redhat.com>
159 * rtl.c (read_string): Break out from ...
160 (read_rtx): ... here.
162 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
164 * doc/install.texi (Specific): Remove a bogus and duplicate part
165 copied from the end of the document.
167 2001-05-22 Bernd Schmidt <bernds@redhat.com>
169 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
171 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
173 * install.texi: Remove obsolete information on SunOS as well as
174 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
175 (Installing GNU CC on the Sun): Remove section.
177 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
179 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
180 keep errno unchanged on success.
182 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
184 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
185 once for hexadecimal floats, whether or not they contain a decimal
186 point. Don't let the setting of pedantic otherwise affect the
187 parsing of hexadecimal floats.
189 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
191 * README.ACORN: Remove obsolete file.
193 2001-05-22 Jan Hubicka <jh@suse.cz>
195 * combine.c (gen_binary): Use swap_commutative_operands_p
196 (simplify_comparison): Likewise.
197 * expmed.c (emit_store_flag): Likewise.
198 * expr.c (compare_from_rtx): Likewise.
199 (do_compare_rtx_and_jump): Likewise.
200 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
201 if not emitting a branch and operands want swapping.
203 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
205 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
206 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
207 (maybe_get_identifier): Update.
208 * tree.h (make_identifier): Delete.
210 2001-05-21 Richard Henderson <rth@redhat.com>
212 * combine.c (subst): Do not substitute for a register as
213 a destination subreg/strict_low_part/zero_extract.
215 * combine.c (simplify_comparison): Update op1 after constant
217 * recog.c (const_int_operand): Accept only constants valid
219 * genrecog.c: Update comments wrt const_int_operand.
221 * emit-rtl.c (init_emit_once): Zero unused memory in a
224 2001-05-21 Mark Mitchell <mark@codesourcery.com>
226 * tree.h (type_num_arguments): Declare it.
227 * tree.c (type_num_arguments): New function.
229 2001-05-21 Richard Henderson <rth@redhat.com>
231 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
234 2001-05-21 Geoff Keating <geoffk@redhat.com>
236 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
238 (minsf3): Use rs6000_emit_minmax.
239 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
241 (movsfcc): Use rs6000_emit_cmove.
242 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
243 Don't generate emit_fselsfsf4.
244 (fseldfsf4): Likewise.
245 (maxdf3): Use rs6000_emit_minmax.
247 (mindf3): Use rs6000_emit_minmax.
248 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
250 (movdfcc): Use rs6000_emit_cmove.
251 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
252 Don't generate emit_fselsfsf4.
253 (fselsfdf4): Likewise.
254 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
255 (min_max_operator): New predicate.
256 (rs6000_emit_cmove): New function.
257 (rs6000_emit_minmax): New function.
258 * config/rs6000/rs6000-protos.h: Prototype new functions.
259 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
260 and min_max_operator.
262 * config/rs6000/rs6000.c (output_cbranch): Handle all
263 conditional types in the switch statement.
265 2001-05-21 Mark Mitchell <mark@codesourcery.com>
267 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
268 non-register variables.
269 * extend.texi: Document that asm-specifications do not make sense
270 for non-static local variables.
272 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
274 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
275 (dbxout_type_fields): Lose minimal_debug support.
276 (dbxout_type_methods, dbxout_type): Likewise.
278 2001-05-17 Andrew Haley <aph@redhat.com>
280 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
282 2001-05-21 Richard Henderson <rth@redhat.com>
284 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
287 2001-05-20 Richard Henderson <rth@redhat.com>
289 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
290 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
291 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
292 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
293 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
295 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
296 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
297 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
298 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
299 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
300 DEBUG_PUBNAMES_SECTION): Rename as above.
301 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
303 2001-05-20 Richard Henderson <rth@redhat.com>
305 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
306 operands unless the operation is commutative.
308 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
310 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
313 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
315 * extend.texi: Clarify documentation of extensions included in ISO
316 C99. Prefer C99 terminology and syntax to old GNU terminology and
317 syntax. Add more index entries. Document mixed declarations and
318 code as an extension in C89 mode. Warn about future changes to
319 semantics of inline functions. Fixes PR other/930.
321 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
323 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
324 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
325 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
326 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
328 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
330 2001-05-20 Richard Henderson <rth@redhat.com>
332 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
333 to be output before a branch.
335 2001-05-20 Richard Henderson <rth@redhat.com>
337 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
339 2001-05-20 Richard Henderson <rth@redhat.com>
341 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
342 (ASM_DOUBLE): Remove.
343 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
344 * config/i386/sun386.h: Likewise.
346 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
347 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
349 * config/i386/cygwin.h (INT_ASM_OP): Remove.
350 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
351 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
352 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
354 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
355 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
356 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
357 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
358 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
359 * config/i386/win32.h: Likewise.
361 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
363 * invoke.texi: Add more options to summary list.
365 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
367 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
368 used. Fixes PR c/2291.
371 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
373 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
374 the -fpic and -fPIC options, clear flag_pic.
376 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
378 * hashtable.c (calc_hash): Fix HASHSTEP definition.
379 * stringpool.c (make_identifier): No statistics here anymore.
380 * objc-act.c (steup_string_decl): Remove redundant check.
382 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
384 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
385 cpplib.o, cpphash.o, fix-header): Update.
386 (hashtable.o): New target.
387 * c-common.h: Include cpplib.h. Define C_RID_CODE and
388 struct c_common_identifier here.
389 * c-lang.c (c_init_options): Update. Call set_identifier_size.
390 * c-lex.c (c_lex): Update.
391 * c-pragma.h: Update.
392 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
394 (C_RID_CODE): Delete.
395 * cpphash.c: Rewrite to use hashtable.c.
396 * cpphash.h: Update include guards.
397 (struct cpp_reader): Remove hashtab.
398 hash_ob and buffer_ob are no longer pointers. Add hash_table
400 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
401 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
402 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
403 * cppinit.c (cpp_create_reader): Update.
404 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
405 (cpp_interpret_charconst): Eliminate warning.
406 * cpplib.c (do_pragma, do_endif, push_conditional,
407 cpp_push_buffer, cpp_pop_buffer): Update.
408 (_cpp_init_stacks): Rename cpp_init_directives.
409 (_cpp_cleanup_stacks): Remove.
410 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
411 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
412 cpp_forall_identifiers, cpp_create_reader): Update.
413 (C_RID_CODE, cpp_make_node): New.
414 (c_common_identifier): New identifier node for C front ends.
415 * cppmain.c (main): Update.
416 * fix-header.c (read_scan_file): Update.
417 * flags.h (id_clash_len): Make unsigned.
418 * ggc.h (ggc_mark_nonnull_tree): New.
421 * stringpool.c: Update comments and copyright. Update to use
423 * toplev.c (approx_sqrt): Move to hashtable.c.
424 (id_clash_len): Make unsigned.
425 * toplev.h (ident_hash): New.
426 * tree.c (gcc_obstack_init): Move to hashtable.c.
427 * tree.h: Include hashtable.h.
428 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
429 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
430 (struct tree_identifier): Update.
431 (make_identifier): New.
433 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
434 (C_RID_CODE): Remove.
435 * lex.c (cxx_init_options): Call set_identifier_size. Update.
436 (init_parse): Don't do it here.
438 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
440 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
442 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
444 (expand_eh_return): Convert between word_mode and Pmode.
445 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
447 (execute_stack_op): Likewise.
448 (execute_cfa_program): Likewise.
449 (uw_frame_state_for): Likewise.
450 (uw_update_context_1): Likewise.
451 * unwind.inc (_Unwind_Reason_Code): Likewise.
452 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
453 (EH_RETURN_STACKADJ_RTX): Likewise.
454 * config/mips/mips.c (compute_frame_size): Make space for saving
456 (mips_expand_epilogue): Handle EH stack adjustments.
457 * config/mips/mips.md (eh_return): New pattern.
458 (eh_set_lr_si): Likewise.
459 (eh_set_lr_di): Likewise.
460 Add splitter to perform EH return after reload.
462 2001-05-19 Mark Mitchell <mark@codesourcery.com>
464 * jump.c (mark_jump_label): Tidy previous change.
466 2001-05-19 Bruce Korb <bkorb@gnu.org>
468 * fixinc/genfixes: no need for two warnings
469 * fixinc/Makefile.in: open stdin for those building with a closed one.
471 2001-05-19 Mark Mitchell <mark@codesourcery.com>
473 * jump.c (jump_optimize_1): Tidy.
474 (mark_jump_label): When changing the label in a LABEL_REF, change
475 update any REG_EQUAL notes as well.
477 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
479 * c-parse.in (parm_declarator): Split into
480 parm_declarator_starttypename and parm_declarator_nostarttypename.
481 (parm_declarator_starttypename, parm_declarator_nostarttypename):
482 New. Allow parenthesised sub-declarators which don't begin with a
483 TYPENAME. Fixes PR c/166.
485 2001-05-19 Mark Mitchell <mark@codesourcery.com>
487 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
489 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
491 * toplev.c (main): If the target does not allow profiling without
492 a frame pointer, issue an error message.
493 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
496 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
498 * recog.c (general_operand): Modify last change to allow it if reload
501 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
503 * recog.c (general_operand): Prohibit nonzero subreg bytes on
504 subregs containing mem.
506 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
508 * regrename.c (regrename_optimize): frame pointer register can
511 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
513 * README.DWARF: Move into dwarfout.c.
515 2001-05-18 Dale Johannesen <dalej@apple.com>
517 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
518 specific misuse of r0 as a reload address.
520 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
522 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
525 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
527 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
528 (add_to_sequence): Make that decision type.
529 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
530 (write_switch, write_cond, debug_decision_2): Likewise.
532 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
534 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
537 2001-05-18 Stan Shebs <shebs@apple.com>
539 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
540 * configure: Regenerate.
542 2001-05-18 Per Bothner <per@bothner.com>
544 Changes needed for java/jvspec.c
545 * gcc.h (n_infiles, outfiles): Add declarations.
546 * gcc.c (n_infiles, outfiles): Mske no longer static.
548 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
550 * config/pa/som.h (EXCEPTION_SECTION): Define.
552 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
554 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
556 Add have_location_lists, a variable to determine whether we need a
557 .debug_loc section or not.
558 (enum dw_val_class): Add dw_val_class_loc_list.
559 (dw_val_struct): Add val_loc_list.
560 (dw_loc_list_struct): New structure, represents location lists.
561 (new_loc_list): New function, return a new location list, given
562 the range and location expression.
563 (add_loc_descr_to_loc_list): New function, add a location
564 expression to a location list, given the expression and range.
565 (output_loc_list): New function, output a location list.
566 (gen_internal_sym): Modified to take symbol prefix, so we can
567 reuse it for location list symbols.
568 (add_AT_loc_list): New function, add a location list to a DIE at
570 (AT_loc_list): New function, return the location list reference
571 for a given attribute, if it's a location list.
572 (print_die): Handle dw_val_class_loc_list.
573 (size_of_die): Ditto.
574 (value_format): Ditto.
576 (output_location_lists): New function, output all of the location
577 lists for a DIE and it's children.
578 (dwarf2out_finish): Call output_location_lists if we have location
582 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
584 * gcse.c (try_replace_reg): First try global replace, later try to
585 simplify the expression.
587 * gcse.c (find_used_regs): Change calling convention; work via
589 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
591 2001-05-18 Bernd Schmidt <bernds@redhat.com>
594 2001-02-09 Nick Clifton <nickc@redhat.com>
595 * config/arm/arm.md: Change output constraint on post inc
596 load/store multiple patterns to be a read/write constraint.
598 2001-05-18 Mark Mitchell <mark@codesourcery.com>
600 * basic-block.h (struct basic_block_def): Add documentation about
601 what a basic block is, and what the various fields are used for.
602 * flow.c (calculate_globlal_regs_live): Add documentation about
603 how the algorithm works, and how we know that it will terminate.
604 Check that the the inductive assumption that guarantees
605 termination actually holds.
606 (mark_used_regs): Treat conditionally set registers as used.
607 (debug_regset): Add comment.
608 * rtl.texi (cond_exec): Add documentation.
610 * function.c (expand_function_start): Avoid creating BLKmode
613 2001-05-17 Mark Mitchell <mark@codesourcery.com>
615 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
616 DIE, even if it has no children.
617 (dwarf2out_finish): Always output the line-number table, even if
620 2001-05-18 David Edelsohn <edelsohn@gnu.org>
622 * rs6000.md (movsfcc,movdfcc): Remove NE case.
624 2001-05-17 Bruce Korb <bkorb@gnu.org>
626 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
627 * fixinc/genfixes: emit a warning if AutoGen is out of date
629 2001-05-17 Brendan Conoboy <blc@cygnus.com>
630 Bruce Korb <bkorb@gnu.org>
632 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
633 found in fixinc directory. Facilitates binary distributions.
635 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
637 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
640 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
642 * dwarf2out.c (modified_type_die): Equate qualified type to die.
644 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
646 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
647 (simplify_subreg): Handle complex types represented as CONCAT.
649 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
650 * rtl.h (swap_commutative_operands_p): Declare.
651 * rtlanal.c (swap_commutative_operands_p): New.
652 (operand_preference): New static function.
654 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
655 (gen_binary): Likewise.
656 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
657 * simplify-rtx.c (simplify_gen_binary,
658 simplify_gen_relational): Likewise.
660 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
662 * cse.c (fold_rtx): Use simplify_subreg.
664 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
665 (simplify_gen_subreg): New.
666 (simplify_rtx): Use simplify_subreg.
667 * rtl.h (simplify_gen_subreg): Declare.
669 2001-05-17 Mark Mitchell <mark@codesourcery.com>
671 * doc/install.texi: Update Solaris information.
673 * except.h (protect_cleanup_actions): Remove it.
674 (lang_protect_cleanup_actions): Declare it.
675 * except.c (protect_cleanup_actions): Remove it.
676 (lang_protect_cleanup_actions): New variable.
677 (init_eh): Don't make protect_cleanup_actions a GC root.
678 (expand_eh_region_and_cleanup): Call
679 lang_protect_cleanup_actions.
680 (output_function_exception_table): Remove unused `align'
682 * varasm.c (assemble_external): Abort if we have not yet
683 opened the assembly output file.
685 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
687 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
688 for eh_personality_libfunc.
690 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
692 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
693 when calling simplify_subreg. This is needed to allow replacing
694 of expression of one mode by expression of different mode.
696 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
698 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
700 2001-05-17 Bernd Schmidt <bernds@redhat.com>
702 * expr.c (protect_from_queue): Protect against subsequent calls to
704 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
707 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
709 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
711 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
713 * gccbug.in (CATEGORIES): Add "bootstrap".
715 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
717 * simplify-rtx.c (simplify_subreg): Break out from ...
718 * combine.c (combine_splify_rtx) ... here and ...
719 * recog.c (validate_replace_rtx_1): ... here;
720 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
721 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
722 (subreg_lowpart_p): ... here.
724 2001-05-17 Bernd Schmidt <bernds@redhat.com>
726 * stmt.c (expand_asm_operands): For inout operands, make sure
727 the substitution of '=' for '+' makes it into the rtl.
729 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
730 (reload_as_needed): Call update_eliminable_offsets a bit later.
732 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
734 * gcc.texi (gccbug): Refer to the web pages for detailed information
737 2001-05-16 Zack Weinberg <zackw@stanford.edu>
739 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
741 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
742 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
743 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
744 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
745 * cross-make: Don't set LIBGCC1.
746 * mklibgcc.in: Delete all code for building from libgcc1.c.
747 Always honor LIB1ASMFUNCS if set.
749 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
750 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
751 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
752 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
753 config/i386/uwin.asm, config/m68hc11/larith.asm,
754 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
755 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
756 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
757 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
758 Delete or update references to libgcc1 in commentary.
760 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
761 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
762 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
763 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
764 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
765 config/arm/t-semi, config/arm/t-strongarm-coff,
766 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
767 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
768 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
769 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
770 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
771 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
772 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
773 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
774 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
775 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
776 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
777 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
778 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
779 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
780 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
781 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
782 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
783 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
784 config/mips/t-ultrix, config/mn10200/t-mn10200,
785 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
786 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
787 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
788 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
789 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
790 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
791 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
792 config/sparc/t-sparclite, config/sparc/t-splet,
793 config/sparc/t-sunos41, config/sparc/t-vxsparc,
794 config/sparc/t-vxsparc64, config/v850/t-v850:
795 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
797 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
798 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
799 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
800 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
801 nongcc_SI_type, nongcc_word_type, or perform_*
802 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
804 * config/i386/386bsd.h, config/i386/beos-elf.h,
805 config/i386/linux-aout.h, config/i386/linux-oldld.h,
806 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
807 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
808 Don't include i386/perform.h.
810 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
811 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
812 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
813 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
814 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
815 config/vax/t-openbsd, config/vax/t-vax: Delete.
817 * config.gcc: Remove references to deleted files.
818 (arm-semi-aof): Use arm/t-semi for tmake_file.
820 * gcc.texi, install.texi, invoke.texi, tm.texi:
821 Delete or rewrite text which is no longer relevant now that
822 libgcc1 no longer exists.
824 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
825 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
827 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
828 Bruce Korb <bkorb@gnu.org>
830 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
833 2001-05-16 Zack Weinberg <zackw@stanford.edu>
835 * i386.md: Add two peepholes to clean up code generated by
838 2001-05-16 Richard Henderson <rth@redhat.com>
840 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
841 variants of non-absolute encodings.
843 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
845 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
846 __register_frame_info_table_bases): Export.
848 2001-05-16 Richard Henderson <rth@redhat.com>
850 * except.c (eh_data_format_name): Move to ...
851 * dwarf2asm.c: ... here. Use designated initializers if available.
852 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
853 * dwarf2asm.h: Update declarations.
854 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
855 ASM_PREFERRED_EH_DATA_FORMAT.
856 (output_call_frame_info): Likewise. Use 'L' augmentation for
859 * unwind-dw2-fde.h (struct fde_vector): New.
860 (struct old_object): Rename from struct object.
861 (struct object): New.
862 (__register_frame_info_bases): Declare.
863 (__register_frame_info_table_bases): Declare.
864 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
865 * unwind-dw2-fde.c (objects): Remove.
866 (unseen_objects, seen_objects): New.
867 (__register_frame_info_bases): New.
868 (__register_frame_info): Use it.
869 (__register_frame_info_table_bases): New.
870 (__register_frame_info_table): Use it.
871 (__deregister_frame_info): Rewrite for changed object struct.
872 (base_from_object, get_cie_encoding, get_fde_encoding): New.
873 (fde_unencoded_compare): Rename from fde_compare; uninline.
874 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
875 (start_fde_sort): Adjust for new definition of fde_vector.
876 (fde_insert): Likewise.
877 (end_fde_sort): Likewise. Select comparison function based
878 on properties of the object.
879 (fde_split): Take object and fde_compare_t arguments.
880 (frame_heapsort, fde_merge): Likewise.
881 (classify_object_over_fdes): Rename from count_fdes. Handle
882 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
884 (add_fdes): Handle encoded pointers.
885 (init_object): Rename from frame_init. Update for new struct object.
886 (linear_search_fdes): Rename from search_fdes. Handle encoded
888 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
889 (binary_search_single_encoding_fdes): New.
890 (binary_search_mixed_encoding_fdes): New.
891 (search_object): New.
892 (_Unwind_Find_FDE): Update for new struct object. Fill in
894 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
895 iterating over EH data.
896 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
897 fde_encoding, lsda_encoding.
898 (read_uleb128, read_sleb128): Remove.
899 (read_encoded_pointer): Remove. All callers use read_encoded_value.
900 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
901 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
903 * unwind-pe.h: Add "struct" to _Unwind_Context references.
905 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
907 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
908 * cpphash.c (_cpp_lookup_with_hash): Similarly.
909 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
910 cpp_spell_token, cpp_output_token): Similarly.
911 * cpplib.c (lex_macro_node, do_undef, do_pragma,
912 do_pragma_poison, parse_assertion, do_assert): Similarly.
913 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
914 save_parameter, _cpp_create_definition, check_trad_stringification,
915 cpp_macro_definition): Similarly.
916 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
917 * c-lex.c (cb_undef, c_lex): Similarly.
918 * fix-header.c (recognized_function): Similarly.
919 * cpplib.h (NODE_LEN, NODE_NAME): New.
920 (cpp_hashnode): Rename length len.
922 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
924 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
927 2001-05-16 Andreas Jaeger <aj@suse.de>
929 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
931 * toplev.c: Include dwarf2asm.h for prototype of
932 dw2_output_indirect_constants.
934 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
936 * stmt.c (expand_asm_operands): Be able to offload addressof
937 expression to memory. (PR optimization/185)
939 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
941 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
942 applying distributive law.
944 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
946 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
948 * gthr-dce.h (UNUSED): Attribute unused macro.
949 (__gthread_key_dtor): Make arguments UNUSED.
950 (__gthread_key_delete): Revise for compatibility with DRAFT4
953 2001-05-16 David Edelsohn <edelsohn@gnu.org>
955 * doc/install.texi: Update AIX information.
956 * README.RS6000: Remove obsolete file.
958 2001-05-16 Jakub Jelinek <jakub@redhat.com>
959 Nathan Sidwell <nathan@codesourcery.com>
961 * gcc.c (give_switch): Don't write before start of string.
962 Always append suffix.
964 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
966 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
969 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
971 * README.ALTOS: Remove obsolete file.
973 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
975 * c-lex.h (save_and_forget_protocol_qualifiers,
976 forget_protocol_qualifiers, remember_protocol_qualifiers):
977 Remove deleted functions' prototypes.
979 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
981 * c-parse.in (methodtype): New production.
982 (methoddef, methodproto): Collapse separate '-' and '+'
985 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
987 * c-common.h (RID_FIRST_PQ): New.
988 * c-parse.in (objc_pq_context): New.
989 (objc parser): Set objc_pq_context rather than calling
990 remember_protocol_qualifiers and forget_protocol_qualifiers.
991 Don't call save_and_forget_protocol_qualifiers.
992 (yylexname): Handle objc protocol qualifiers here.
993 * stringpool.c (struct str_header): Replace with sp_hashnode.
994 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
995 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
996 Allocate an IDENTIFIER_NODE for each identifier.
997 (FORALL_STRINGS, set_identifier): Delete.
998 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
999 (ggc_alloc_string): Use an obstack.
1000 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
1001 * tree.h: Update comments.
1002 (set_identifier): Delete.
1003 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
1004 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
1005 remember_protocol_qualifiers): Delete.
1007 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
1009 * flow.c (life_analysis): After life analysis is complete, do
1010 an optional scan over insns looking for REG_LABEL notes that
1011 reference a deleted label.
1012 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
1013 before peeking at LABEL_NUSES.
1015 2001-05-15 Richard Henderson <rth@redhat.com>
1017 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
1018 (_Unwind_GetTextRelBase): New.
1020 2001-05-15 Mark Mitchell <mark@codesourcery.com>
1022 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
1024 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
1026 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
1027 so that CHOOSE_SECTION gets used.
1029 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
1030 TARGET_RELOCATABLE like flag_pic for now.
1032 2001-05-15 David Edelsohn <edelsohn@gnu.org>
1034 * rs6000.md (movdi splitter): Sign extend more efficiently.
1035 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
1036 to "long long" valid on 32-bit and 64-bit hosts.
1037 (logical_operand): Cast trunc_int_for_mode return value.
1038 (rs6000_emit_move): Shift macro to encapsulate variable.
1039 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
1040 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
1041 plus_constant requires signed argument.
1043 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
1045 * gthr-posix.h: Make additional pthread-* functions weak.
1047 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
1049 * recog.c (apply_change_group): Avoid unneeded validating.
1051 2001-05-14 David Edelsohn <edelsohn@gnu.org>
1053 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
1054 (num_insns_constant): CONST_INT can be 64-bits.
1056 2001-05-14 Stan Shebs <shebs@apple.com>
1058 * config/darwin.h (LIB_SPEC): Just use -lSystem.
1059 (LIBGCC_SPEC): Don't define.
1061 2001-05-14 Richard Henderson <rth@redhat.com>
1063 * configure.in (gcc_cv_as_eh_frame): New test.
1064 * config.in, configure: Rebuild.
1065 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1067 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1069 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1070 extended precision divide.
1072 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1074 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1075 for RETURNS as well.
1077 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1079 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1080 (CPP_CPU??_SIZE_TYPE): New.
1081 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1082 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1083 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1084 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1086 * i386.c (override_options): Add sorry about not suported modes.
1088 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1090 * config/pa/som.h (NM_FLAGS): Remove.
1091 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1092 (ASM_OUTPUT_SECTION_NAME): Remove.
1093 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1095 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1097 * regrename.c (regrename_optimize): Do not rename registers to
1100 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1102 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1103 contain MEMs. Remove useless distinction about clobbering
1106 2001-05-13 Geoff Keating <geoffk@redhat.com>
1108 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1109 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1110 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1111 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1112 (EXCEPTION_SECTION): Define.
1114 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1116 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1117 binary backward compat only.
1118 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1119 in LIB2FUNCS. Pass it to mklibgcc.
1120 * mklibgcc.in: Handle LIB2FUNCS_ST.
1122 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1124 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1126 * tm.texi (THREAD_MODEL_SPEC): Document it.
1127 * gcc.c (main): Use it.
1128 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1129 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1131 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1133 * rtl.h (SYMBOL_REF_WEAK): New macro.
1134 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1135 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1136 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1137 * gcc.texi: Remove wrong description.
1139 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1141 * Makefile.in (STAMP): New macro.
1142 Replace all uses of `touch' with $(STAMP).
1143 * fixinc/Makefile.in: Likewise.
1145 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1147 * configure.in: ldopen is never in -lexc, so don't test for it.
1148 Add test for exc_resume in -lexc for Ada.
1149 * configure: Regenerated.
1151 2001-05-12 Richard Henderson <rth@redhat.com>
1153 * dwarf2asm.c (size_of_encoded_value): New function.
1154 * dwarf2asm.h: Declare it.
1155 * except.c (output_function_exception_table): Align the TType
1156 array only as wide as the encoding.
1158 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1160 * extend.texi: Document #pragma GCC java_exceptions.
1162 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1164 * c-parse.in (bison parser, init_reswords): Remove uses of
1166 * c-tree.h (doing_objc_thang): Remove.
1168 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1170 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1171 about files not ending in newlines.
1173 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1175 * dwarfout.c (dwarfout_init): Add cast.
1176 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1177 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1179 * method.c (build_mangled_C99_name): Remove unused prototype.
1181 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1183 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1185 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1187 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1188 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1190 2001-05-11 Richard Henderson <rth@redhat.com>
1192 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1193 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1194 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1195 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1196 (dw2_output_indirect_constants): Prototype.
1197 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1198 current_function_func_begin_label if we'll need it for EH. Exit
1199 early for IA64_UNWIND_INFO.
1200 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1201 (eh_data_format_name): Update for indirect references.
1202 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1203 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1204 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1205 define HAVE_eh_return etc.
1206 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1207 (final_end_function): Don't call output_function_exception_table.
1208 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1209 (rest_of_compilation): Invoke output_function_exception_table
1210 for ia64 before assemble_end_function.
1211 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1212 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1214 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1215 * unwind.h: Declare them.
1216 * libgcc-std.ver: Export them.
1217 * unwind-pe.h: New file.
1219 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1221 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1223 (find_fde_for_dso): Extract DT_PLTGOT.
1224 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1225 the segment and gp as well.
1226 * config/ia64/frame-ia64.c: Remove file.
1227 * config/ia64/frame-ia64.h: Remove file.
1228 * config/ia64/unwind-ia64.c: New file.
1229 * config/ia64/unwind-ia64.h: New file.
1230 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1231 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1232 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1233 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1234 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1235 (IA64_UNWIND_INFO): Re-enable.
1236 (HANDLER_SECTION): Remove.
1237 (EH_RETURN_DATA_REGNO): New.
1238 * config/ia64/ia64.md (exception_receiver): Remove.
1239 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1240 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1242 2001-05-11 Richard Henderson <rth@redhat.com>
1244 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1245 calls and jumps to be bundled together.
1246 (ia64_reorg): Emit a break after a noreturn call that ends
1248 * config/ia64/ia64.md (break_f): New.
1250 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1252 * c-lex.c (lex_charconst): Convert into a simple wrapper
1253 around cpp_interpret_charconst, to which most of the code
1255 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1256 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1257 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1258 (lex): Use cpp_interpret_charconst.
1259 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1260 hex_digit_value): New functions.
1261 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1262 * cpplib.h (cpp_interpret_charconst): New prototype.
1263 * Makefile.in: Update.
1265 2001-05-12 Dean Wakerley <dean@wakerley.com>
1267 * doc/install.texi: New file. Converted to texinfo from the HTML
1268 documentation in wwwdocs/htdocs/install.
1270 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1272 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1273 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1275 * toplev.c (compile_file): Move comment for opening output
1276 file to just before the code that opens the output file.
1278 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1280 * regmove.c (regmove_optimize): Suppress the optimization for
1281 unchanging destination register. Add comment above function.
1283 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1285 * Makefile.in: Exterminate all references to assert.h.
1286 * cross-make: Likewise.
1288 * configure.in: Correct commentary.
1289 * configure: Regenerate.
1291 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1294 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1295 config/t-netbsd, config/t-rtems, config/x-linux,
1296 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1297 No need to override INSTALL_ASSERT_H.
1299 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1300 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1301 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1303 2001-05-11 Graham Stott <grahams@redhat.com>
1305 * combine.c (simplify_comparison): Fix typo.
1307 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1309 * loop.h (struct movables): Remove `num'.
1310 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1311 Adjust call to strength_reduce.
1312 (num_unmoved_movables): New function.
1313 (move_movables): Don't set movables->num.
1314 (strength_reduce): Compute the number of instructions in the loop
1315 here, rather than in the caller.
1316 (check_dbra_loop): Always clear reversible_mem_store if there
1317 are any memory sets.
1318 (loop_regs_scan): Don't count instructions here.
1319 (count_insn_in_loop): New function.
1321 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1323 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1325 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1327 * c-common.c (finish_label_expr): New function, lifted from
1328 from cp/semantics.c.
1329 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1330 * c-parse.in: Move 3 blocks of parser code into new functions.
1331 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1332 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1333 (lookup_label): Remove.
1335 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1337 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1338 FLOAT_BIT_ORDER_MISMATCH.
1340 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1342 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1343 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1345 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1347 * expr.c (emit_group_load): extract_bit_field requires a REG or
1350 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1352 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1353 a computed jump into an unconditional jump.
1354 In second hunk of code for collapsing computed and conditional jumps
1355 into unconditional jumps, reemit the jump in additional cases.
1357 * jump.c (jump_optimize_1): Do not wrap the new jump target
1358 inside a LABEL_REF; gen_jump will do that automatically.
1360 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1362 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1363 contents for a SYMBOL_REF in case of floating point constants.
1365 2001-05-10 DJ Delorie <dj@redhat.com>
1367 * c-common.c (combine_strings): Widen strings in a
1368 host-endian-independent way.
1370 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1372 * c-parse.in: Remove many shift/reduce conflicts. Update
1374 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1375 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1376 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1377 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1378 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1379 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1380 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1381 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1382 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1383 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1384 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1385 typespec_reserved_nonattr, typespec_reserved_attr,
1386 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1387 structsp_nonattr, components_notype, component_notype_declarator,
1388 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1389 firstparm, setspecs_fp): New
1390 (typed_declspecs, reserved_declspecs, typed_typespecs,
1391 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1392 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1393 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1394 type_quals): Remove. Users updated.
1395 (initdecls, notype_initdecls, after_type_declarator,
1396 parm_declarator, notype_declarator, absdcl1, components, ivars):
1397 Don't allow attributes at the start of a declarator; include them
1398 in the production containing the declarator instead. Always
1399 require type specifiers before trying to redeclare a typedef name.
1400 (typename): Allow for attributes but warn that they are ignored.
1401 (parmlist, firstparm, setspecs_fp): Include attributes in
1402 parmlist; suck them off the parser stack in firstparm using
1405 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1407 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1408 to determine if a block has an unconditional jump at its end.
1410 * jump.c (jump_optimize_1): When converting a conditional jump
1411 to an unconditional jump, build the jump using gen_jump instead
1412 of just modify operands in-place.
1414 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1416 * cppinit.c (cpp_post_options): Shut off macro expansion if
1418 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1419 IN_I directives only if the # is in column 1 and the directive
1420 name begins in column 2.
1421 * cppmain.c (scan_buffer): Insert a space between # and an
1422 identifier, when that identifier is a directive name.
1424 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1425 in the header search path.
1426 (enum node_type): Add T_INCLUDE_NEXT.
1427 (directive_table): Add entry for include_next.
1428 (do_include_next): New function.
1429 (process_include): New routine, broken out of do_include.
1430 (finclude): Insert 'nhd' argument, to be copied into
1431 next_header_dir of the new buffer.
1432 (main): Adjust to match.
1433 * gsyslimits.h, limity.h: Un-indent #include_next.
1435 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1437 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1438 inclusion as a chapter of the GCC manual.
1439 * gcc.texi: Include objc.texi.
1440 * fdl.texi: Use @unnumberedsec for the addendum.
1441 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1443 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1445 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1447 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1449 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1450 handling of two-address insns.
1452 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1454 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1455 ../binutils/nm-new instead of ../binutils/nm.
1457 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1459 * i386.md (movdi splitter): Fix the splitting condition
1460 (float_extenddftf splitter): Fix mode.
1462 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1464 * genrecog.c (write_switch): Avoid outputting of switch for
1465 types wider than int.
1467 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1469 * reload1.c (copy_eh_notes): New function.
1470 (emit_input_reload_insns): Call it.
1471 (emit_output_reload_insns): Call it.
1473 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1475 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1477 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1478 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1480 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1482 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1484 * pa.md (interspace_jump): Revise comment.
1485 (builtin_longjmp): Block initial setup insns from delay slot of
1487 (builtin_setjmp_receiver): New expander to save and restore PIC
1490 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1492 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1494 * toplev.c (compile_file): Set up the output file before we call
1495 the various initializers for the compiler.
1497 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1498 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1500 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1501 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1503 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1505 * Makefile.in (tradcpp0): Correct typo in dependency list.
1507 2001-05-06 Geoff Keating <geoffk@redhat.com>
1509 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1510 the link register if we're not going to use it.
1512 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1513 (output_function_profiler): Likewise.
1515 2001-05-07 Alan Modra <amodra@one.net.au>
1517 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1519 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1521 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1522 zero-extend it. Make abs_inc unsigned.
1524 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1525 widest mode in narrowing and widening operations.
1527 * config/mips/mips.md: Sign extend CONST_INTs.
1529 2001-05-06 Andreas Jaeger <aj@suse.de>
1531 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1532 (i386 Options): Document -momit-leaf-frame-pointer.
1534 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1536 * c-typeck.c (internal_build_compound_expr): Check for
1537 array to pointer conversion just once.
1539 2001-05-05 Richard Henderson <rth@redhat.com>
1541 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1543 2001-05-05 Richard Henderson <rth@redhat.com>
1545 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1546 to the parent of the fixup region.
1548 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1550 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1552 * cpp.texi (__NO_INLINE): Document it.
1554 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1556 * cppfiles.c (struct include_file): New member err_no.
1557 (find_or_create_entry): Set it.
1558 (open_file): Don't set fds to -2. Instead, use err_no to
1559 remember previous errors, if any.
1561 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1563 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1564 between X and Y by using sequences of xgdx and xgdy.
1566 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1568 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1569 of '!' for the 'D' alternative ('!' is too strong).
1570 ("*logicalsi3_silshl16"): Likewise.
1571 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1572 ("movstrictsi"): Remove spurious '+'.
1573 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1574 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1575 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1578 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1580 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1582 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1584 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1587 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1589 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1592 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1594 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1595 soft register, use ror instead of rol.
1597 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1599 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1600 into account pre/post increment decrement for 68HC12.
1601 Fix other problems in replacement and fix call to reg_mentioned_p.
1603 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1605 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1606 Put the soft registers in bss for 68HC12.
1607 (L_regs_d3_4): New for _.d3 and _.d4.
1608 (L_regs_d5_6): Likewise.
1609 (L_regs_d1_2): Likewise.
1610 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1612 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1614 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1615 to the pre-processor when -fshort-double is specified.
1616 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1618 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1620 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1621 (__mulsi3): Rewrite for 68HC12.
1622 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1623 Mark 'x' constraint with earlyclobber to prevent a
1624 RELOAD_FOR_OTHER_ADDRESS to go in it.
1625 (mulhi3_m68hc12): New pattern.
1626 (mulhi3_m68hc11): Rename of mulhi3.
1627 (mulhi3): New expand for 68HC12 optimisation.
1628 (umulhisi3, mulhisi3): New patterns for 68HC12.
1630 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1632 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1633 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1634 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1636 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1638 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1639 constants cheap after reload.
1640 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1642 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1643 so that gcc prefers a shift by 16.
1644 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1646 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1648 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1650 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1652 * alpha.h: NULL_PTR -> NULL.
1659 * i386.md: Likewise.
1662 * m68hc11.h: Likewise.
1663 * rs6000.h: Likewise.
1666 * sparc.h: Likewise.
1670 * final.c: Likewise.
1672 * recog.c: Likewise.
1674 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1676 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1677 `bool' parameter to `int'.
1679 * hash.c (hash_lookup): Likewise.
1681 * hash.h (hash_lookup): Likewise.
1683 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1685 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1687 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1689 2001-05-03 Geoff Keating <geoffk@redhat.com>
1691 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1692 -malign-loops, -malign-functions.
1693 * i386.c (ix86_align_funcs): Delete.
1694 (ix86_align_loops): Delete.
1695 (ix86_align_jumps): Delete.
1696 (override_options): Mark -malign-* as obsolete. Emulate their
1697 behaviour with the -falign-* options. Default -falign-* from
1698 the processor table.
1699 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1700 patch of Wed May 2 13:09:36 2001.
1701 (LOOP_ALIGN): Delete.
1702 (LOOP_ALIGN_MAX_SKIP): Delete.
1703 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1704 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1706 2001-05-04 Andreas Jaeger <aj@suse.de>
1708 * except.h: Add prototype declaration for
1709 expand_builtin_init_dwarf_reg_sizes.
1711 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1713 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1715 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1717 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1719 ("bitcmpqi2"): New pattern for bit-extract and test.
1720 ("bitcmphi"): New pattern for bitb/bita instructions.
1722 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1724 * gccbug.in: Use a temporary directory when the mktemp command is
1727 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1729 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1731 (INITIALIZE_TRAMPOLINE): Call it.
1732 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1733 (TRAMPOLINE_TEMPLATE): Remove.
1734 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1735 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1738 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1740 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1741 and crtendS.o with PIC.
1743 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1745 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1747 (___subdi3, ___adddi3): Use x instead of y as index register.
1748 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1749 (__memset, __memcpy): Likewise.
1750 (regs): Put the soft registers in bss for 68HC12.
1751 (abort): Use trap to abort for 68hc12.
1752 (__mulhi3, __mulhi32): Use emul for 68hc12.
1753 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1755 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1757 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1758 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1759 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1760 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1761 Set 68HC12 min offset to -65536.
1762 (print_operand): Put parenthesis arround the operand if it refers
1763 to a symbol having the same name as a register.
1764 (m68hc11_z_replacement): When z register is replaced by its
1765 equivalent soft register, force the insn to be re-recognized.
1766 (m68hc11_check_z_replacement): Fix the test when destination is
1767 the index register and z dies in the insn.
1768 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1770 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1772 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1773 costs according to processor variant.
1774 (m68hc11_shift_cost): New function to compute shift costs.
1775 (m68hc11_rtx_costs): Define costs according to processor variant.
1776 (m6811_cost): Costs for 68HC11.
1777 (m6812_cost): Costs for 68HC12.
1778 (COSTS_N_INSNS): Remove.
1780 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1781 (DEFAULT_RTX_COSTS): Remove.
1782 (CONST_COSTS): Define costs according to OUTER_CODE.
1783 (processor_costs): New struct to define costs.
1784 (m68hc11_cost): Pointer to current costs.
1786 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1788 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1789 and use m68hc11_notice_keep_cc when using leax/leay.
1790 (addhi3 split): Reject split if the insn is handled by
1792 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1793 push must be handled in a special way if the source operand uses
1794 sp as index register.
1795 (m68hc11_notice_keep_cc): New function.
1796 (m68hc11_gen_movhi): Use it when an insn changes a register but
1798 (m68hc11_gen_movqi): Fix move for 68HC12.
1799 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1801 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1803 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1804 and don't pass operands[0] to emit_library_call_value.
1806 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1808 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1809 (zero_extendsi split): Simplify and use (zero_extendhi).
1810 (*addhi3): Remove 'w' constraint since stack pointer is handled
1812 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1813 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1814 (*ashrhi3_const): Fix shift by 7.
1815 (*lshrsi3_const16): Fix template.
1816 (call, call_value): Fix constraint and predicate.
1818 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1820 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1821 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1822 (CC_REGNUM): Likewise.
1823 (*unnamed splits): Use above constants instead of hard coded numbers.
1824 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1825 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1826 (*return_16bit, *unnamed peepholes): Likewise.
1828 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1830 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1831 rs6000/rs6000.h twice.
1833 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1835 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1836 (CPP_SPEC): Conditionally define MSDOS and GO32.
1837 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1838 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1840 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1842 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1844 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1846 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1848 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1849 * integrate.c (expand_inline_function): Use xcalloc to allocate
1851 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1854 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1856 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1859 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1861 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1862 linker if -mrelax is given.
1863 (TARGET_SWITCHES): Document -mrelax.
1865 Re-installed 2001-01-09's patch:
1866 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1867 if it's wider than long and the target's long is wider than the
1870 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1872 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1873 directly include rs6000/rs6000.h. Instead do it in tm.h.
1875 2001-05-02 Stan Shebs <shebs@apple.com>
1877 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1878 NSConstantString for NeXT-style runtimes.
1879 (STRING_OBJECT_GLOBAL_NAME): New macro.
1880 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1881 OCTI_STRING_CLASS_DECL.
1882 (constant_string_global_id): New macro.
1883 (string_class_decl): Ditto.
1884 (setup_string_decl): New function.
1885 (build_objc_string_object): Use it to build a NeXT runtime
1886 compatible string initializer.
1888 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1890 * tradcpp.c (do_define): Make sure we don't walk past limit.
1892 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1894 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1895 offsets if not REG_OK_STRICT.
1897 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1898 (INT_REG_OK_FOR_INDEX_P): Likewise.
1899 (INT_REG_OK_FOR_BASE_P): Likewise.
1900 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1901 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1902 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1903 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1904 REG_OK_FOR_BASE_P. Take an additional parameter.
1905 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1906 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1907 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1908 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1909 rs6000_legitimate_address() and use it.
1910 * config/rs6000/rs6000.c: Update all callers.
1911 (rs6000_legitimate_address): New function.
1913 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1915 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
1916 special_constant conditional blocks together.
1918 2001-05-02 Dale Johannesen <dalej@apple.com>
1920 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1922 (STRICT_ARGUMENT_NAMING): Define.
1923 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1924 function_arg_partial_nregs, setup_incoming_varargs): Remove
1925 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1928 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1930 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
1932 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1935 * expr.c (store_field): Do nothing except elaborate side-effects if
1938 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1940 * c-lex.c: NULL_PTR -> NULL.
1942 * emit-rtl.c: Likewise.
1944 * genpeep.c: Likewise.
1946 * mips-tdump.c: Likewise.
1947 * reload1.c: Likewise.
1948 * rtlanal.c: Likewise.
1950 * stor-layout.c: Likewise.
1951 * toplev.c: Likewise.
1953 2001-05-01 Per Bothner <per@bothner.com>
1955 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1956 call do_pending_stack_adjust before emiting label.
1958 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1960 * extend.texi: Fix typo.
1962 2001-05-01 Stan Shebs <shebs@apple.com>
1964 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1965 of UOBJC_MODULES_decl.
1966 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1967 (generate_descriptor_table): Ditto.
1968 (generate_protocols): Ditto.
1969 (generate_protocol_list): Ditto.
1970 (generate_classref_translation_entry): Ditto.
1972 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1974 * invoke.texi (Optimize Options): Add documentation for `--param
1975 max-delay-slot-insn-search' and `--param
1976 max-delay-slot-live-search' and reorder --param section.
1977 * params.def: Modify initial comment.
1978 * params.h (param_info): Add `help' member.
1979 * toplev.c (lang_independent_params): Include `help' description.
1980 (display_help): Print --param parameters.
1982 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1984 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1985 Remove references to deleted files.
1986 (*-*-openbsd): No need to override xmake_file.
1987 (*-*-sysv4): Treat like *-*-sysv.
1989 * configure.in: Probe for ldopen in various places, and set up
1990 collect2 to be linked with them if found.
1991 Don't dink with Windows registry stuff unless $host_os is a
1992 Win32 os name. Check to see if we need -ladvapi32.
1993 * configure: Regenerate.
1995 * Makefile: Get rid of CLIB and HOST_CLIB.
1996 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1997 * build-make: Get rid of HOST_CLIB.
1999 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
2000 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2001 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2002 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
2003 config/rs6000/x-rs6000: Delete.
2005 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
2008 24 x-host fragments remain, 0 x-cpu, 3 top level.
2010 2001-05-01 Zack Weinberg <zackw@stanford.edu>
2012 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
2013 * configure: Regenerate.
2015 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
2017 * Makefile.in (install-headers): Remove redundant dependency.
2019 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
2021 * c-tree.texi (USING_STMT): Document.
2023 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2025 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
2026 * c-common.c: Likewise.
2027 * c-decl.c: Likewise.
2028 * combine.c: Likewise.
2029 * rs6000.c: Likewise.
2030 * except.c: Likewise.
2031 * explow.c: Likewise.
2033 * fold-const.c: Likewise.
2034 * function.c: Likewise.
2037 * integrate.c: Likewise.
2039 * objc/objc-act.c: Likewise.
2040 * recog.c: Likewise.
2041 * reg-stack.c: Likewise.
2042 * reload.c: Likewise.
2043 * reload1.c: Likewise.
2044 * simplify-rtx.c: Likewise.
2046 * varasm.c: Likewise.
2048 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
2050 * diagnostic.def: New file.
2051 * diagnostic.h (diagnostic_t): New enum.
2052 * Makefile.in (diagnostic.o): Depend on diagnostic.def
2054 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2056 * tsystem.h: Test only POSIX for availability of string.h
2058 * config.gcc (all systems): If USG appeared in xm_defines,
2059 change it to POSIX. If both USG and POSIX appeared, just
2060 delete USG. Remove unnecessary quotes around xm_defines
2062 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2063 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2064 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2065 powerpc-*-linux*): No need to set xm_defines - handled by
2066 global settings for *-*-linux*.
2068 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2070 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2071 Always include gstab.h, not system stab.h. Don't provide
2072 default definitions of N_CATCH or N_OPT. Always use the
2073 gstab.h variant of STAB_CODE_TYPE.
2074 * final.c: Don't include stab.h/gstab.h at all, or provide
2075 defaults for N_SLINE and N_SOL.
2077 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2078 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2080 * sdbout.c: Always include gsyms.h instead of system syms.h.
2082 * configure.in: No need to check for stab.h.
2083 * configure, config.in: Regenerate.
2084 * Makefile.in (final.o): Don't depend on gstab.h.
2086 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2087 Richard Henderson <rth@redhat.com>
2089 * extend.texi: Improve documentation of volatile asms.
2091 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2093 * c-tree.texi: Fix thinko.
2094 * gcc.texi: Likewise.
2096 2001-04-30 Richard Henderson <rth@redhat.com>
2098 * c-common.c (c_promoting_integer_type_p): New function, from the
2099 corpse of old macro. Properly promote too-small enumerations and
2100 booleans. Adjust all callers.
2101 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2102 (c_promoting_integer_type_p): Declare.
2103 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2104 * c-typeck.c: Likewise.
2105 (default_conversion): Remove now redundant boolean check.
2107 2001-04-30 Jan Hubicka <jh@suse.cz>
2108 Richard Henderson <rth@redhat.com>
2110 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2112 (combine_stack_adjustments_for_block): Don't combine stack
2113 allocation followed by deallocations. Handle grow-up stacks.
2115 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2117 * fdl.texi: New file.
2118 * c-tree.texi: Use the GFDL.
2119 * gcc.texi: Likewise.
2121 2001-04-30 Stan Shebs <shebs@apple.com>
2123 * invoke.texi: Add a section documenting Objective-C options.
2125 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2127 * emit-rtl.c (try_split): Copy EH notes to sequence.
2129 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2131 * regmove.c (record_stack_memrefs): Catch all references to the
2134 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2136 * Makefile.in (stmp-fixinc): quote shell assignment values
2138 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2140 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2144 * prefix.c: Likewise.
2146 2001-04-28 Stan Shebs <shebs@apple.com>
2148 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2149 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2150 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2151 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2153 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2154 (NEXT_OBJC_RUNTIME): Define.
2156 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2158 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2159 * simplify-rtx.c (simplify_gen_relational): Likewise.
2161 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2163 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2164 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2166 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2167 registers in SSE case; fix handling of the immediates.
2168 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2169 operands to be in regsiters before reload.
2170 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2171 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2172 (abstf,absxf,negtf,negxf splitters): Compute
2173 properly the regnum for x86_64.
2174 (avsdf2_if_rex64): New.
2176 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2178 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2179 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2180 into the constant pool.
2181 * jump.c (jump_optimize_1): Remove barrier successors after all
2182 the LABEL_NUSES counds have been computed.
2183 (delete_barrier_successors): When deleting a tablejump insn, also
2184 delete the jump table it uses.
2185 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2188 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2190 * pa.c (FRP): Remove erroneous white space in macro definition.
2192 2001-04-28 Andreas Jaeger <aj@suse.de>
2194 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2196 * extend.texi: Likewise.
2197 * tm.texi: Likewise.
2199 2001-04-28 Andreas Jaeger <aj@suse.de>
2201 * md.texi: Use XX-bit instead of XXbit or XX bit where
2204 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2206 * gcc.c (process_command): Allow -l lib in addition to -llib
2207 for POSIX compliance. This fixes PR c/2347.
2209 * invoke.texi: Update section on Link Options accordingly.
2211 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2213 * function.c (purge_addressof_1): Remove the duplicate
2214 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2217 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2219 * except.c (expand_eh_region_start): Don't start a new block.
2220 (expand_eh_region_end): Don't end a block.
2221 * stmt.c (expand_end_bindings): Don't end EH blocks.
2222 (expand_decl_cleanup): Starting an EH region won't change the block.
2223 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2224 (is_eh_region): Lose.
2227 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2229 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2231 * collect2.c (main): Add `-L' case to remove duplicate entries.
2232 (is_in_args): New function to check for a duplicate argument.
2233 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2234 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2235 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2236 Define to be nonzero.
2238 2001-04-27 Andreas Jaeger <aj@suse.de>
2239 Richard Henderson <rth@redhat.com>
2241 * md.texi (Machine Constraints): Document additional i386
2242 constraints and fix description of "A".
2244 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2246 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2248 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2250 * except.c (get_exception_filter): word_mode, not Pmode.
2252 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2254 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2255 common to other movsf patterns. Move up so that in future
2256 people who change the other patterns will change it too.
2257 (movsf_lo_sum): Allow even for soft-float; add appropriate
2259 (movsf_high): Likewise.
2260 (movsf_high+1): Allow even for soft-float.
2262 * function.c (expand_function_end): Always clobber the
2263 return registers, even if there is no return label.
2265 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2267 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2269 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2271 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2272 (pushqi2_rex64, pushhi2_rex64): Add.
2274 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2276 * except.c (expand_eh_region_end_cleanup): Force pending stack
2277 adjust before emitting label that branches around cleanup code.
2279 2001-04-26 H.J. Lu (hjl@gnu.org)
2281 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2283 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2285 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2286 (ASM_OUTPUT_SECTION_NAME): Likewise.
2287 (ASM_WEAKEN_LABEL): Likewise.
2288 (UNIQUE_SECTION): Likewise.
2289 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2290 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2291 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2292 (ASM_OUTPUT_SECTION_NAME): Likewise.
2293 (ASM_WEAKEN_LABEL): Likewise.
2294 (UNIQUE_SECTION): Likewise.
2295 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2296 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2297 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2298 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2299 (ASM_FILE_START): Likewise.
2300 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2301 (ASM_DECLARE_OBJECT_NAME): Likewise.
2302 (ASM_FILE_END): Likewise.
2303 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2304 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2305 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2306 (ASM_OUTPUT_CASE_LABEL): Likewise.
2307 (ASM_OUTPUT_SKIP): Likewise.
2308 (ASM_OUTPUT_ASCII): Likewise.
2309 (ASM_OUTPUT_IDENT): Likewise.
2310 (READONLY_DATA_SECTION): Likewise.
2311 (EXTRA_SECTIONS): Likewise.
2312 (EXTRA_SECTION_FUNCTIONS): Likewise.
2313 (SELECT_RTX_SECTION): Likewise.
2314 (SELECT_SECTION): Likewise.
2316 * config/mips/linux.h (INVOKE__main): Undefine.
2317 (CTOR_LIST_BEGIN): Likewise.
2318 (CTOR_LIST_END): Likewise.
2319 (DTOR_LIST_BEGIN): Likewise.
2320 (DTOR_LIST_END): Likewise.
2321 (SET_ASM_OP): Defined it to ".dummy".
2322 (ASM_OUTPUT_DEF): Defined.
2323 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2325 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2327 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2328 assembler supports .p2align.
2330 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2332 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2334 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2336 * integrate.c (expand_inline_function): Check for error_mark_node
2339 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2341 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2344 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2346 * configure.in (configargs.h): Define thread_model.
2347 * configure: Rebuilt.
2348 * gcc.c (main): Print it with -v.
2350 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2352 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2353 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2354 * gcc.1: Regenerate.
2356 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2358 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2359 is_redundant_typedef): Use static inline instead of inline static.
2361 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2363 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2364 this directory is always searched.
2366 2001-04-25 Richard Henderson <rth@redhat.com>
2368 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2369 of registers to restore along non eh_return path.
2371 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2373 * c-format.c (check_format_info_recurse): Handle
2374 PLUS_EXPR for format string.
2376 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2378 * config/ia64/ia64.h (CC1_SPEC): Define.
2379 * config/ia64/linux.h (CC1_SPEC): Define.
2381 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2383 * emit-rtl.c (constant_subword): Also do sign extension in
2384 BITS_PER_WORD == 16 case.
2386 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2388 * loop.c (try_swap_copy_prop): Go back to checking insn.
2390 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2392 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2393 if check_mode is non-zero.
2395 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2397 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2398 out and comparison sequence has been detected, put result into
2399 proper temporary pseudo.
2401 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2403 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2404 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2405 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2406 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2407 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2408 for future reference.
2410 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2412 * except.c (reachable_handlers): Step out one level from a RESX.
2414 * except.c (struct eh_region): Rename 'last' to 'resume'.
2415 (mark_eh_region, duplicate_eh_region_1): Adjust.
2416 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2417 (build_post_landing_pads): Likewise.
2418 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2419 (expand_eh_region_end_must_not_throw): Likewise.
2420 (connect_post_landing_pads): Thread (only) regions with non-deleted
2423 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2424 registers around the cleanup.
2425 (get_exception_filter): New fn.
2426 (finish_eh_generation): Use it.
2428 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2430 * c-semantics.c (add_scope_stmt): Don't call
2431 current_scope_stmt_stack multiple times.
2433 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2434 Nathan Sidwell <nathan@codesourcery.com>
2436 Lazy __FUNCTION__ generation.
2437 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2438 RID_C99_FUNCTION_NAME): New _RIDs.
2439 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2440 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2441 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2443 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2444 (c99_function_name_decl_node, function_name_decl_node,
2445 pretty_function_name_decl_node, saved_function_name_decls):
2447 (struct language_function): Remove x_function_name_declared_p.
2448 (make_fname_decl): Remove a parameter.
2449 (declare_function_names): Remove prototype.
2450 (start_fname_decls, finish_fname_decls): Prototype.
2451 (fname_as_string): Likewise.
2452 (fname_string, fname_decl): Likewise.
2453 * c-common.c (make_fname_decl): Adjust.
2454 (struct fname_var_t): New struct.
2455 (fname_vars): New static array.
2456 (declare_function_name): Remove.
2457 (start_fname_decls, finish_fname_decls): New functions.
2458 (fname_as_string): New function from remnants of
2459 declare_function_name.
2460 (fname_string, fname_decl): New functions.
2462 * c-decl.c (c_function_name_declared_p): Remove.
2463 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2464 don't call declare_function_name. Call start_fname_decls.
2465 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2466 clobber the line number. Call finish_decl.
2467 (start_function): Call start_fname_decls.
2468 (finish_function): Call finish_fname_decls.
2469 Remove c_function_name_declared_p.
2470 (push_c_function_context): Don't push c_function_name_declared_p.
2471 (pop_c_function_context): Don't pop c_function_name_declared_p.
2472 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2473 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2474 (program): Call finish_fname_decls for C.
2475 (primary): Add VAR_FUNC_NAME.
2476 (reswords): Add slots for __FUNCTION__ et al.
2477 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2478 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2479 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2480 * c-semantics.c (prune_unused_decls): Remove.
2481 (finish_stmt_tree): Don't call prune_unused_decls.
2482 (genrtl_decl_stmt): Don't prune unused decls here.
2484 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2486 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2487 constant pool, use the pool's SYMBOL_REF instead.
2489 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2492 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2494 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2495 passing nested NOP_EXPRs to fold.
2497 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2499 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2501 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2503 * loop.c (loop_delete_insns): Add prototype.
2505 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2507 * configure.in: Remove ENABLE_STD_NAMESPACE.
2508 * config.in: Regenerated.
2509 * configure: Regenerated.
2511 2001-04-22 Stan Shebs <shebs@apple.com>
2513 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2515 * config/rs6000/xm-darwin.h: Remove file.
2517 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2519 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2520 (write_c_file_stat): Likewise.
2522 * dbxout.c (dbxout_init): Likewise.
2524 * profile.c (output_func_start_profiler): Likewise.
2526 2001-04-22 Philipp Thomas <pthomas@suse.de>
2528 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2529 require it instead of the CVS version.
2530 * cpperror.c (v_message): Put a blank before the macro
2531 body to not confuse exgettext.
2533 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2535 * flow.c (proagate_one_insn): Remove useless assignment.
2536 * jump.c (delete_insn): Tidy.
2537 * loop.c (try_copy_prop): When deleting an instruction with a
2538 REG_RETVAL note, delete the entire libcall sequence.
2539 (loop_delete_insns): New function.
2540 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2541 we're not substituting into them yet.
2543 2001-04-21 Kazu Hirata <kazu@hxi.com>
2545 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2547 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2549 * config/i960/i960.c (signed_arith_operand): Likewise.
2551 * calls.c (expand_call): Fix a comment typo.
2553 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2555 * configure.in: Probe for times, clock, struct tms, and clock_t.
2556 * configure, config.in: Regenerate.
2557 * timevar.c: Replace ifdef forest in get_time with (relatively)
2558 straightforward series of checks based on autoconf's probes.
2560 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2562 * config/pa/som.h (NM_FLAGS): Define.
2564 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2566 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2568 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2569 * ia64.c (nop_cycles_until): New function.
2570 (prev_cycle, prev_first, last_issued): New static variables.
2571 (ia64_sched_reorder): Additional arg for clock.
2572 On final scheduling pass, emit extra NOPs as needed.
2573 Set prev_first and prev_cycle.
2574 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2575 (ia64_variable_issue): Set last_issued.
2577 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2579 * config/i386/i386.c (ix86_expand_int_movcc,
2580 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2582 2001-04-20 Geoff Keating <geoffk@redhat.com>
2584 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2585 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2586 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2587 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2588 ctrdi_internal6): In the short-branch case, this insn is only 4
2589 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2591 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2593 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2594 "=u" is used together with "st" resp. "st(1)" clobber.
2596 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2598 * gcse.c (gcse_main): Fix comment typo.
2599 (delete_null_pointer_check): Likewise.
2600 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2601 * cse.c (cse_insn): Likewise.
2602 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2605 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2607 * toplev.c: Excise all code for the undocumented -dm option.
2608 (float_signal): Call signal just once, unconditionally.
2610 2001-04-19 Geoff Keating <geoffk@redhat.com>
2612 * fold-const.c (fold): Use first_rtl_op rather than
2613 TREE_CODE_LENGTH when looping over parameters of a tree.
2614 Correct strange grouping in test for evaluated SAVE_EXPR.
2616 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2618 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2619 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2621 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2622 name at 32 total characters.
2623 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2624 functions in named sections -- data items can still go into unique
2625 sections, but they have normal names (ie $LIT$ and $DATA$).
2627 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2630 2001-04-19 DJ Delorie <dj@redhat.com>
2632 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2633 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2634 * config/i386/cygwin.h: Likewise.
2635 * config/i386/mingw32.h: Likewise.
2636 * config/vax/vms.h: Likewise.
2637 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2639 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2640 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2641 * config/i386/xm-cygwin.h: Likewise.
2642 * config/i386/xm-djgpp.h: Likewise.
2643 * config/i386/xm-mingw32.h: Likewise.
2644 * config/vax/xm-vms.h: Likewise.
2646 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2647 instead of OBJECT_SUFFIX.
2648 * collect2.c (find_a_file): Look for files matching the extension
2649 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2650 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2651 TARGET_EXECUTABLE_SUFFIX.
2652 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2653 (make_relative_prefix): Likewise.
2654 (convert_filename): Use TARGET_ suffixes throughout. Remove
2656 (process_command): Likewise.
2657 (do_spec_1): Likewise.
2658 * java/lang.c (init_parse): Likewise.
2660 * gcc.texi : Document four new options matching the pattern
2661 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2662 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2663 documentation for NO_AUTO_EXE_SUFFIX.
2665 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2667 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2668 that language-independent processing should not be done.
2669 * toplev.c (main): Adjust accordingly.
2671 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2672 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2674 * mips.md (reload_outputdi): Require that operand0 be a
2677 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2679 * invoke.texi (-Wshadow): Clarify.
2681 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2683 * loop.c (load_mems): Examine all the instructions in the loop
2684 before concluding that all jumps branch to the first instruction
2687 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2689 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2691 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2693 * cpp.texi (-Wwhite-space): Remove.
2694 (-Wall): -Wall does not imply -Wwhite-space.
2696 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2698 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2699 use it instead of blindly generating a .stabs.
2700 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2702 * xcoffout.c: Don't bother defining default for N_CATCH.
2703 (UNKNOWN_STAB): Use internal_error.
2704 (stab_to_sclass): Remove now-unnecessary aborts.
2705 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2707 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2709 * jump.c (mark_all_labels): Canonicalize the tail recursion
2710 label attached to CALL_PLACEHOLDER insns.
2712 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2714 * output.h (dump_flow_info, free_basic_block_vars,
2715 which_alternative): Delete redundant prototypes.
2717 * rtl.h (bss_section): Likewise.
2719 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2721 * dbxout.c (N_OPT): Define if not available from <stab.h>
2723 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2725 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2726 libraries and native K&R compilers.
2728 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2730 * c-typeck.c (convert_arguments): Don't check for width changes
2733 * invoke.texi (-Wtraditional): Update documentation.
2735 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2737 * toplev.c (output_lang_identify): Delete.
2738 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2739 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2740 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2741 after calling ASM_FILE_END.
2743 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2744 Instead, unconditionally emit an N_OPT stab with string equal
2745 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2747 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2749 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2750 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2751 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2752 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2753 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2754 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2755 config/i370/i370.h, config/i386/beos-elf.h,
2756 config/i386/osf1elf.h, config/i386/osfrose.h,
2757 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2758 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2759 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2760 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2761 config/mips/iris6.h, config/mips/osfrose.h,
2762 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2763 config/sparc/sp64-elf.h:
2764 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2765 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2767 * config/elfos.h, config/freebsd.h, config/linux.h,
2768 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2769 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2770 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2771 of ASM_FILE_START which merely emit a .version directive. Delete
2772 definitions of ASM_FILE_END which merely emit an .ident directive.
2774 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2775 ASM_IDENTIFY_GCC and move part of its logic into
2778 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2779 config/sparc/linux-aout.h: Don't emit .version directive in
2782 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2783 (output_file_start): Correct comment.
2785 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2786 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2788 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2789 * config/rs6000/aix.h: Correct comment.
2791 * config/i386/i386afe.h: Delete.
2792 * config.gcc: Remove references to i386afe.h.
2794 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2795 other macros deleted by this patch were undocumented.
2797 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2799 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2801 * pa.c (secondary_reload_class): SAR<->FP copies require a
2804 * install.texi (mips-mips-bsd): Update list of functions
2805 required to include memmove.
2806 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2807 used functions to include memmove.
2809 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2811 * i386.md (sqrtdf2): SFmode should be DFmode.
2813 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2815 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2816 (find_moveable_store): Likewise.
2818 2001-04-15 Jim Wilson <wilson@redhat.com>
2820 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2822 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2824 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2825 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2827 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2829 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2832 2001-04-14 Alan Modra <amodra@one.net.au>
2834 * pa.c (force_mode): New function.
2835 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2837 2001-04-13 Jim Wilson <wilson@redhat.com>
2839 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2840 (first_instruction): New static variable.
2841 (rtx_needs_barrier): Return 1 for alloc.
2842 (init_insn_group_barriers): Set first_instruction.
2843 (rws_sum): Delete duplicate definition.
2844 (group_barrier_needed_p): Return 0 when first_instruction true.
2845 (safe_group_barrier_needed_p): Save and restore first_instruction
2846 around group_barrier_needed_p call.
2848 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2850 * expr.h (enum libfunc_index): Add LTI_memmove.
2851 (memmove_libfunc): Define macro.
2852 * optabs.c (init_optabs): Initialize memmove_libfunc.
2853 * expr.c (expand_assignment): Use memmove_libfunc instead of
2856 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2858 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2861 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2863 * Makefile.in (reg-stack.o): Depend on reload.h.
2864 (insn-attrtab.o): Depend on flags.h.
2866 * genattrtab (main): Include flags.h in insn-attrtab.c.
2868 * reg-stack.c: Include reload.h.
2870 * sparc.h (flag_pic): Delete redundant declaration.
2872 * output.h (flag_pic): Likewise.
2874 * tree.h (pedantic): Likewise.
2876 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2878 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2880 * jump.c, regmove.c, toplev.c: Include reload.h.
2882 * reload.h (reload_cse_regs): Declare.
2884 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2885 reload_cse_regs, init_reload, mark_home_live, reload,
2886 init_caller_save): Delete redundant prototypes.
2888 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2890 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2892 * regclass.c, ssa.c: Include expr.h.
2894 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2895 gen_move_insn): Delete redundant declarations.
2897 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2899 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2900 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2901 MAKEINFO and MAKEINFOFLAGS too.
2902 (stage4_build): Correctly order -B flags.
2904 2001-04-13 Alan Modra <amodra@one.net.au>
2906 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2907 PIC_OFFSET_TABLE_SAVE_RTX.
2908 (zdepi_cint_p): Describe zdepi insn.
2909 Formatting and white space fixes throughout file.
2911 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2912 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2913 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2914 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2915 (output_64bit_and): Use plain `int's for shift counts.
2916 (output_64bit_ior): Likewise.
2917 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
2918 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
2921 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
2922 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
2923 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
2924 NEW_HP_ASSEMBLER into one. Kill warnings.
2926 * pa-gas.h: Delete file.
2927 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
2928 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
2929 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
2930 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
2932 * config/pa/mill32.S: New file.
2933 * config/pa/mill64.S: New file.
2934 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
2935 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
2936 * config/pa/t-linux64: New file.
2937 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
2938 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
2939 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
2941 * elfos.h (SELECT_SECTION): Undef before defining.
2942 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
2943 (LIB_SPEC): Remove -lmilli.
2944 (DBX_REGISTER_NUMBER): Remove.
2945 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
2946 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
2947 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
2948 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
2949 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
2950 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
2951 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
2952 TARGET_GAS): Define.
2953 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
2954 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
2955 regs if we don't have a prototype.
2956 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
2957 * pa.h (TARGET_ELF32): Default to 0 if undefined.
2958 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
2959 EH_RETURN_HANDLER_RTX): Define.
2960 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
2961 (DWARF_FRAME_REGNUM): Define.
2962 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
2963 * pa32-linux.h: New file.
2964 * pa64-linux.h: New file.
2966 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2967 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
2968 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
2969 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
2970 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
2971 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2972 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2973 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2974 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2975 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2976 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2977 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2978 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2979 * pa64-hpux.h: New file.
2980 (ASM_FILE_START): Correct typo.
2981 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2982 * config.gcc: Modify for above.
2984 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2986 * jump.c (jump_optimize_1): Don't delete dead stores here.
2987 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2988 prior to running jump optimize before cse2.
2990 2001-04-12 Richard Henderson <rth@redhat.com>
2992 * Makefile.in (regmove.o): Depend on except.h.
2993 * regmove.c: Include it.
2995 2001-04-12 Stan Shebs <shebs@apple.com>
2997 * objc/objc-act.c: Remove all code ifdefed with the never-used
2998 macro OBJC_INT_SELECTORS.
2999 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
3000 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
3002 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
3004 * config/pa/quadlib.c: Add prototypes.
3006 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3008 * bitmap.h (debug_bitmap): Delete redundant prototype.
3010 * rtl.h (get_frame_size): Likewise.
3012 2001-04-12 Jim Wilson <wilson@redhat.com>
3014 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
3015 to just emit an fnorm.
3017 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3019 * c-common.h (truthvalue_conversion, type_for_mode,
3020 type_for_size): Delete redundant declarations.
3022 * c-lex.h (is_class_name): Likewise.
3024 * c-tree.h (pedantic, convert, getdecls, gettags,
3025 global_bindings_p, init_decl_processing, insert_block,
3026 maybe_build_cleanup, poplevel, print_lang_decl,
3027 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
3028 set_block, incomplete_type_error, build_function_call,
3029 lvalue_or_else, mark_addressable): Likewise.
3031 * expr.h (expand_tree_builtin): Likewise.
3033 2001-04-12 Mark Mitchell <mark@codesourcery.com>
3035 * invoke.texi: Document --param max-gcse-memory.
3037 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3039 * configure.in (errno): Check for declaration.
3040 * configure, config.in: Regenerated.
3042 * system.h (errno): Only declare if not already done.
3044 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3046 * recog.c (general_operand, immediate_operand,
3047 nonmemory_operand): Require CONST_INTs to be sign-extended
3048 values for their modes.
3050 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3052 * expmed.c (store_bit_field): Truncate CONST_INTs.
3053 (expand_mult_highpart, expand_divmod): Likewise.
3054 * expr.c (convert_modes, store_field): Likewise.
3055 * integrate.c (expand_inline_function): Use promote_mode() to
3056 determine whether to convert_modes() an argument as signed
3058 * optabs.c (expand_binop): Get CONST_INT operands
3059 sign-extended for their appropriate modes.
3060 * stmt.c (emit_case_nodes): Convert node values to the
3062 (expand_end_case): Convert minval and range to the appropriate
3064 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3065 the iteration variable.
3066 * varasm.c (immed_double_const): Don't require words to be
3067 narrower than host wide ints to properly sign-extend
3070 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3072 * sh.md (builtin_setjmp_receiver): New expander.
3074 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3076 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3077 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3078 for generating CONST_INT and CONST_DOUBLE.
3080 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3082 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3083 already sign-extended.
3084 (rs6000_emit_prologue): Make register iterator signed.
3085 (rs6000_emit_epilogue): Likewise.
3086 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3088 (movsf split, movdf split): Sign-extend CONST_INTs.
3089 (movdi splits): Likewise.
3091 2001-04-12 Kelley Cook <kelley.cook@home.com>
3093 * config-lang.in (lang_dirs): Add in zlib.
3095 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3097 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3098 operands that make it to RTL.
3100 2001-04-11 Stan Shebs <shebs@apple.com>
3102 Add Darwin (Mac OS X kernel) native support.
3103 * config.gcc (powerpc-*-darwin*): Add native bits.
3104 * config/darwin.c: New file, generic Darwin support functions.
3105 * config/darwin.h: New file, generic Darwin definitions.
3106 * config/darwin-protos.h: New file, generic Darwin prototypes.
3107 * rs6000/darwin.h: New file, Darwin for PowerPC.
3108 * rs6000/t-darwin: New file, Darwin makefile fragment.
3109 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3110 (TARGET_MACHO): Ditto.
3111 (rs6000_abi): Add ABI_DARWIN.
3112 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3113 (RS6000_SAVE_AREA): Ditto.
3114 (FP_ARG_MAX_REG): Ditto.
3115 (RETURN_ADDRESS_OFFSET): Ditto.
3116 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3118 (rs6000_emit_move): Add ABI_DARWIN cases.
3119 (print_operand): Ditto.
3120 (first_reg_to_save): Ditto.
3121 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3122 (debug_stack_info): Ditto.
3123 (rs6000_emit_prologue): Ditto.
3124 (rs6000_emit_epilogue): Ditto.
3125 (output_profiler_hook): Ditto.
3126 (output_function_profiler): Ditto.
3127 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3128 (output_mi_thunk): Add TARGET_MACHO case.
3129 (add_compiler_stub): Ditto.
3130 (output_compiler_stub): Ditto.
3131 (no_previous_def): Ditto.
3132 (output_call): Ditto.
3133 (machopic_output_stub): Ditto.
3134 (rs6000_machopic_legitimize_pic_address): Ditto.
3135 (toc_section): Ditto.
3136 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3137 (macho_high): Ditto.
3140 (load_macho_picbase): Ditto.
3141 (call): Add TARGET_MACHO case to modify function.
3142 (call_value): Ditto.
3143 (call_nonlocal_sysv): Add ABI_DARWIN case.
3144 (call_value_nonlocal_sysv): Ditto.
3145 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3147 (machopic_output_stub): Ditto.
3148 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3150 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3152 * dwarf2out.c (modified_type_die): Don't create new types here.
3153 * tree.h (get_qualified_type): New function.
3154 (build_qualified_type): Adjust comment.
3155 * tree.c (get_qualified_type): New function.
3156 (build_qualified_type): Use it.
3158 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3160 * cpp.texi (-Wtraditional): Update description.
3162 * invoke.texi (-Wtraditional): Likewise.
3164 2001-04-11 Jim Wilson <wilson@redhat.com>
3166 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3167 requires more than 64 bits of alignment.
3169 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3171 * cpplib.c (do_line): Sanity check iff enable checking.
3173 2001-04-11 Richard Henderson <rth@redhat.com>
3175 * Makefile.in (insn-recog.o): Depend on toplev.h.
3176 (insn-emit.o, doloop.o): Likewise.
3177 * genrecog.c, genemit.c: Include toplev.h in generated file.
3178 * doloop.c: Include toplev.h.
3180 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3182 * Makefile.in (gcse.o): Depend on params.h.
3183 * gcse.c: Include params.h.
3184 (gcse_main): Don't do GCSE if doing so will take inordinate
3186 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3187 * params.h (MAX_GCSE_MEMORY): New macro.
3189 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3191 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3193 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3195 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3197 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3199 * real.h (ereal_atof, real_value_truncate, target_isnan,
3200 target_isinf, target_negative, assemble_real, debug_real): Delete
3201 redundant prototypes.
3203 * Makefile.in (ifcvt.o): Depend on toplev.h.
3205 * c-semantics.c: Include expr.h.
3207 * ifcvt.c: Include toplev.h.
3209 * expr.h (rtx_equal_p): Delete prototype.
3211 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3212 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3213 eliminate_constant_term, expand_complex_abs, find_single_use,
3214 make_tree, init_expr_once, init_optabs, supports_one_only):
3217 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3218 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3219 expand_assignment, store_expr, emit_line_note_after,
3220 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3222 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3224 * sparc-protos.h: Delete redundant prototypes.
3226 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3228 * reload.c (push_reload): Add condition missed in SUBREG byte
3231 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3233 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3235 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3237 * i386.md (floatsisf_sse): Fix output template
3238 * i386.c (ix86_expand_fp_movcc)
3240 * reg-stack.c (emit_pop_insn): Handle complex modes.
3241 (move_for_stack_reg): Emit proper move mode.
3242 (subst_stack_regs_pat): Handle complex modes.
3244 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3246 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3248 2001-04-10 Richard Henderson <rth@redhat.com>
3250 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3251 (__pure_virtual, __terminate, __terminate_set_func,
3252 __default_terminate, __throw_type_match, __empty,
3253 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3254 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3255 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3256 Remove prototypes of deleted functions.
3258 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3260 * c-typeck.c (convert_arguments): -Wtraditional now activates
3261 -Wconversion warnings, except for changes in signed-ness.
3262 Detect complex<->int & int<->complex conversions as well.
3264 * invoke.texi (-Wtraditional): Document it.
3266 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3268 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3269 * flow.c (set_block_for_new_insns): Remove needless cast and
3270 properly check for unset block number.
3272 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3274 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3275 the subreg was a hard register. Pseudos are left as subregs.
3277 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3279 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3280 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3281 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3282 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3283 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3285 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3287 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3289 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3291 * output.h (set_block_num): Missed it earlier, remove deprecated
3294 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3296 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3297 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3298 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3299 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3300 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3301 (expr_killed_p): Change bb parameter from int to basic_block, pass
3302 basic_blocks instead of ints as parameters.
3303 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3304 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3305 from int to basic_block, pass basic_blocks instead of ints as parms.
3306 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3307 parameter from int to basic_block, pass basic_blocks instead of ints.
3308 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3309 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3310 pass basic_blocks instead of ints.
3311 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3312 basic_blocks instead of ints as parameters.
3313 (pre_delete): Pass basic_blocks instead of ints as parameters.
3314 (hoist_expr_reaches_here_p): Change bb parameter from int to
3315 basic_block, pass basic_blocks instead of ints.
3316 (hoist_code): Pass basic_blocks instead of ints as parameters.
3317 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3318 Change bb parameter from int to basic_block.
3319 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3320 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3321 pass basic_blocks instead of ints.
3322 (insert_store): Pass basic_blocks instead of ints as parameters.
3323 (replace_store_insn, delete_store): Change bb parameter from int to
3324 basic_block, pass basic_blocks instead of ints.
3325 (store_motion): Pass basic_blocks instead of ints as parameters.
3327 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3329 * basic-block.h (set_new_block_for_insns): New Prototype.
3330 (set_block_num): Delete prototype.
3331 * flow.c (set_block_num): Remove obsolete function.
3332 (set_block_for_new_insns): Set BB for single or multiple insns.
3333 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3334 (process_insn_end_bb): Use set_block_for_new_insns or
3335 set_block_for_insn instead of set_block_num.
3336 (pre_insert_copy_insn): Use set_block_for_new_insns.
3337 (update_ld_motion_stores): Use set_block_for_new_insns.
3338 (insert_insn_start_bb): Use set_block_for_new_insns.
3339 (replace_store_insn): Use set_block_for_new_insns.
3341 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3342 Jeff Law <law@redhat.com>
3344 * alias.c (get_addr): Externalize.
3345 (canon_true_dependence): New function. Behaves like true_dependance
3346 except it already assumes a MEM has been canonicalized.
3347 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3348 * gcse.c (struct ls_expr): Add load/store expressions structure.
3349 (modify_mem_list, canon_modify_mem_list): New variable.
3350 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3351 load motion and store motion if requested.
3352 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3353 (free_gcse_mem): Free the modify_mem_list array.
3354 (oprs_unchanged_p): Use load_killed_in_block_p.
3355 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3356 (mems_conflict_for_gcse_p): New function. Don't kill loads
3357 with stores to themselves if its in the load/store expression list.
3358 (load_killed_in_block_p): New function.
3359 (canon_list_insert): New Function.
3360 (record_last_mem_set_info): Keep a list of all instructions which
3361 can modify memory for each basic block.
3362 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3363 (oprs_not_set_p): Use load_killed_in_block_p.
3364 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3365 (expr_killed_p): Use load_killed_in_block_p.
3366 (compute_transp): Do not pessimize memory references.
3367 (pre_edge_insert): Update stores for a load motion expression.
3368 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3369 (ldst_entry): Find or create a ldst_expr structure.
3370 (free_ldst_entry): Free memory for an individual item.
3371 (free_ldst_mems): Free entire load/store expression list.
3372 (print_ldst_list): Print debug info.
3373 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3374 (enumerate_ldsts): Assign integer values to each entry in list.
3375 (first_ls_expr): First expression in the list.
3376 (next_ls_expr): Next expression in the list.
3377 (simple_mem): Check if expression qualifies for ld/st expression list.
3378 (invalidate_any_buried_refs): Remove from expression list if its
3379 used in some other way we dont understand.
3380 (compute_ld_motion_mems): Find all potential enhanced load motion
3382 (trim_ld_motion_mems): Remove any expressions which are invalid.
3383 (update_ld_motion_stores): Copy store values to registers for loads
3384 which have been moved.
3385 (regvec, st_antloc, num_store): New global statics.
3386 (reg_set_info): Marks registers as set.
3387 (store_ops_ok): Verfies registers expressions are valid in a block.
3388 (find_moveable_store): Look for moveable stores in a pattern.
3389 (compute_store_table): Find stores in a function worth moving, maybe.
3390 (load_kills_store): Check dependance of a load and store.
3391 (find_loads): Find any loads in a pattern.
3392 (store_killed_in_insn): Check if a store is killed in an insn.
3393 (store_killed_after): Check is store killed after an insn in a block.
3394 (store_killed_before): Check is store killed before an insn in a block.
3395 (build_store_vectors): Generate the antic and avail vectors.
3396 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3397 (insert_store): Add a store to an edge.
3398 (replace_store_insn): Replace a store with a SET insn.
3399 (delete_store): Delete a store insn.
3400 (free_store_memory): Free memory.
3401 (store_motion): Perform store motion.
3402 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3403 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3404 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3405 (f_options): Add gcse-lm and gcse-sm.
3407 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3409 * i386.c (expand_fp_movcc): Fix condition reversal code.
3411 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3412 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3413 (CLASS_MAX_NREGS): Use it.
3415 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3416 handle properly complex values.
3417 (CLASS_MAX_NREGS): Likewise; update comment.
3419 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3421 * ia64.c (ia64_flag_schedule_insns2): New variable.
3422 (ia64_override_options): Initialize it. Clear
3423 flag_schedule_insns_after_reload.
3424 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3426 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3428 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3429 Do not require source to match destination anymore;
3430 Add abort to the nontrivial cases that should be handled by split.
3431 (fix_trunc?fdi): Add SSE case for x86_64.
3432 (floatdi?f): Likewise.
3433 (floatdi?f_sse): New.
3434 (fix_trunc?fdi_sse): New.
3436 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3438 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3439 (DEBUG_ARANGES_END_LABEL): Ditto.
3440 (dwarfout_init): Generate length and version fields at the start
3441 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3442 after the length field.
3443 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3444 the .debug_aranges info.
3446 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3448 * i386.c (call, call_value): Make sure that resulting call_insn
3449 does have proper second operand.
3451 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3453 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3454 function. Remove include of sys/cygwin.h.
3456 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3458 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3459 (CPP_SPEC): Always search */include/w32api for header files.
3460 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3461 (LINK_SPEC): Add "cyg" to the library search prefixes.
3463 2001-04-08 Philip Blundell <philb@gnu.org>
3465 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3467 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3469 * cpperror.c (print_location): Don't special case <stdin>.
3470 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3471 WARNING, but we don't check if we're in system headers.
3472 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3473 * cpplib.c (do_warning): Warn in system headers.
3475 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3477 * mbchar.c: Include config.h first.
3479 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3481 * config.gcc: Set default for xmake_file at top, not bottom.
3482 Change places that set xmake_file to "none" to set to the
3483 empty string instead, or remove them entirely if there is no
3484 default xmake_file for this cpu_type. Remove references to
3487 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3488 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3489 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3490 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3491 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3492 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3493 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3494 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3495 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3496 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3499 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3500 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3501 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3502 config/mips/x-sysv, config/rs6000/x-aix31:
3503 Just set CLIB to -lld or -lmld, as appropriate.
3505 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3506 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3507 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3508 config/mips/x-iris, config/pa/x-pa:
3509 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3510 OTHER_FIXINCLUDES_DIRS.
3512 * config/i386/x-djgpp: Don't set LN or LN_S.
3513 * config/m88k/x-dolph: Don't define __m88k__.
3514 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3515 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3516 * config/i860/fx2800.h: No need to #undef SVR4.
3518 38 x-host fragments remain, 2 x-cpu.
3520 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3522 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3524 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3526 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3528 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3530 * configure.in: Add check for lstat.
3531 * configure, config.in: Regenerate.
3532 * cppinit.c (append_include_chain): Make empty path ".".
3533 * cpplib.c (do_line): Don't simplify #line paths.
3534 * cppfiles.c (remove_component_p): New function.
3535 (find_or_create_entry): Acknowledge stat () errors during
3536 path simplification.
3537 (handle_missing_header): Don't simplify paths.
3538 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3539 the empty path untouched. Don't leave a trailing '/'.
3541 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3543 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3544 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3546 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3548 * cppfiles.c (open_file): Fail directories silently, but
3549 with an errno of NOENT set.
3550 (read_include_file): Move the common exit code to the sole
3551 caller. Return an int indicating success or failure. Let
3552 open_file handle directories.
3553 (stack_include_file): If read_include_file fails,
3554 push a "null" buffer.
3556 2001-04-05 DJ Delorie <dj@redhat.com>
3558 * function.h (virtuals_instantiated): Declare.
3559 * function.c: (virtuals_instantiated): Make global.
3560 * calls.c (emit_library_call_value_1): Use
3561 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3562 Otherwise, use the stack pointer directly.
3564 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3566 * i386.c (x86_initialize_trampoline): New global function.
3567 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3568 (INITIALIZE_TRAMPOLINE): Move offline.
3569 * i386-protos.h (x86_initialize_trampoline): Declare.
3571 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3573 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3574 (lea_0): Rename to lea_1.
3575 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3576 (lea_general_?): Allow SImodes on TARGET_64BIT
3577 (lea_general_?_zext): New patterns.
3578 (call_1, call_1_rex64): Fix.
3580 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3582 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3584 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3586 * i386.c (function_arg): Return constm1_rtx for last argument.
3587 (ix86_expand_prologue): Update gen_call calls.
3588 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3589 * i386.md (call_pop): Likewise.
3590 (call): Second operand is VOIDmode.
3591 (call_0): Likewise; Support 64bits.
3592 (call_exp): New expander.
3593 (call_1): Get to the sync.
3594 (call_1_exp): New pattern.
3595 (call_value): Support 64bit.
3596 (call_value_exp): New pattern.
3597 (untyped_call): Update gen_call call.
3598 (call_value_pop): Disable for 64bit.
3599 (call_value_0_rex64): New pattern.
3600 (call_value_1_rex64): Likewise.
3602 2001-04-05 Bo Thorsen <bo@suse.de>
3604 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3606 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3608 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3609 satisfies ANY_QI_REG_P.
3611 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3613 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3616 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3619 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3621 * config.gcc: Remove default for xm_file. Clean up local
3622 machine type handling. Remove settings of xm_file to
3623 something that doesn't exist. In the big switch, set xm_file,
3624 don't append to it (the value before the big switch is always
3625 null). Don't force build_xm_file or host_xm_file to have a value.
3626 * configure.in: Remove default for xm_file. Do not special
3627 case $cpu/xm-$cpu.h not existing.
3628 * configure: Regenerate.
3630 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3632 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3633 when folding integer division and modulo operations.
3635 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3637 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3638 instead of DWARF2_ADDR_SIZE for EH addresses.
3639 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3642 2001-04-04 Richard Henderson <rth@redhat.com>
3644 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3645 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3646 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3648 2001-04-04 Richard Henderson <rth@redhat.com>
3650 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3651 * configure: Rebuilt.
3653 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3655 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3656 push insns to delete to it instead of deleting them.
3657 (delete_null_pointer_checks): Delete insns from delete_list after
3658 all delete_null_pointer_checks_1 passes are done.
3660 2001-04-04 Richard Henderson <rth@redhat.com>
3662 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3663 * configure: Rebuilt.
3665 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3667 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3668 * config/romp/xm-romp.h: Delete.
3670 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3672 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3675 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3677 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3678 all labels present in rtx.
3679 (try_split) Call new function for all split insns.
3681 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3683 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3684 sure the change won't be validated.
3686 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3688 * rtl.h (set_noop_p): Declare.
3689 * flow.c (set_noop_p): Move from here ...
3690 * rtlanal.c (set_noop_p): ... to here and enhance.
3691 * cse.c (delete_trivially_dead_insns): Use it.
3692 * gcse.c (hash_scan_set): Likewise.
3693 * jump.c (delete_noop_moves): Likewise.
3694 * recog.c (split_all_insns): Likewise.
3696 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3698 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3699 stack pointer via a LO_SUM. Ditto for setting a temp register
3700 used to save to the stack. Set cfa_temp when setting fp, and
3701 allow matches to cfa_temp in addition to cfa_store when saving
3702 regs. Handle POST_INC and LO_SUM register stores. Document the
3703 changes and errors in rule 12 doco.
3705 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3706 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3707 (load_reg): Move closer to epilogue code.
3708 (DO_FRAME_NOTES): Define to control the following..
3709 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3710 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3712 (hppa_expand_epilogue): Likewise.
3714 2001-04-03 Richard Henderson <rth@redhat.com>
3716 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3717 * configure: Rebuild.
3719 2001-04-03 Richard Henderson <rth@redhat.com>
3721 * rtl.h (LCT_THROW): New.
3722 * calls.c (emit_library_call_value_1): Handle it.
3723 * except.c (connect_post_landing_pads): Use it.
3725 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3727 * gansidecl.h: Delete file.
3728 * configure.in: Change all refs to gansidecl.h to use
3729 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3731 * configure: Regenerate.
3733 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3734 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3735 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3736 Don't include gansidecl.h.
3737 * intl.c, main.c, version.c, fixinc/fixlib.h,
3738 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3741 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3743 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3746 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3748 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3749 config/i386/xm-next.h, config/i386/xm-sco.h,
3750 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3751 config/m88k/xm-m88k.h: Delete.
3753 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3754 * config/romp/xm-romp.h: Don't define bcopy.
3755 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3756 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3758 * config.gcc: Remove references to deleted files.
3760 14 xm-host.h remain, 1 xm-cpu.h.
3762 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3763 David S. Miller <davem@pierdol.cobaltmicro.com>
3764 Andrew MacLeod <amacleod@redhat.com>
3766 Use byte offsets in SUBREGs instead of words.
3768 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3769 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3770 to pass new argument.
3771 (add_stored_regs): Use subreg_regno_offset function.
3772 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3774 (precompute_arguments): Use gen_lowpart_SUBREG.
3775 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3776 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3777 (simplify_set): Rework to use SUBREG_BYTE.
3778 (expand_field_assignment): Use SUBREG_BYTE.
3779 (make_extraction): Use SUBREG_BYTE.
3780 (if_then_else_cond): Use SUBREG_BYTE.
3781 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3782 (gen_lowpart_for_combine): Compute full byte offset.
3783 * cse.c (mention_regs): Use SUBREG_BYTE.
3784 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3785 (canon_hash): Use SUBREG_BYTE.
3786 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3787 (gen_lowpart_if_possible): Formatting.
3788 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3790 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3791 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3792 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3793 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3794 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3795 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3796 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3797 certain invariants about SUBREGs the compiler creates.
3798 (gen_lowpart_SUBREG): New function.
3799 (subreg_hard_regno): New function to get the final register number.
3800 (gen_lowpart_common): Use SUBREG_BYTE.
3801 (gen_imagpart): Spacing nits.
3802 (subreg_realpart_p): Use SUBREG_BYTE.
3803 (gen_highpart): Use SUBREG_BYTE.
3804 (subreg_lowpart_p): Always compute endian corrected goal offset,
3805 even at the byte level, then compare against that.
3806 (constant_subword): New function, pulled out all constant cases
3807 from operand_subword and changed second argument name to offset.
3808 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3809 and call constant_subword to do the work. Return const0_rtx if
3810 looking for a word outside of OP.
3811 (operand_subword_force): Change second arg name to offset.
3812 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3813 (store_split_bit_field): Use SUBREG_BYTE.
3814 (extract_bit_field): Use SUBREG_BYTE.
3815 (extract_split_bit_field): Use SUBREG_BYTE.
3816 (expand_shift): Use SUBREG_BYTE.
3817 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3818 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3819 * flow.c (set_noop_p): Use SUBREG_BYTE.
3820 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3821 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3822 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3824 (optimize_bit_field): Use SUBREG_BYTE.
3825 (purge_addressof_1): Use SUBREG_BYTE.
3826 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3827 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3828 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3829 * gengenrtl.c (special_rtx): Add SUBREG.
3830 * global.c (mark_reg_store): Use SUBREG_BYTE.
3831 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3832 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3833 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3834 final byte offset is congruent to subreg's mode size.
3835 (subst_constants): Use SUBREG_BYTE.
3836 (mark_stores): Use subreg_regno_offset function.
3837 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3838 function and SUBREG_BYTE.
3839 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3840 (reg_is_born): Use subreg_hard_regno.
3841 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3842 endian correction code. Don't combine subregs unless resulting
3843 offset aligns with type. Fix subreg constant extraction for DImode.
3844 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3845 (general_operand): Remove dead mode_altering_drug code.
3846 (indirect_operand): Use SUBREG_BYTE.
3847 (constrain_operands): Use subreg_regno_offset function.
3848 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3849 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3850 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3851 * regs.h (REG_SIZE): Allow target to override.
3852 (REGMODE_NATURAL_SIZE): New macro which target can override.
3853 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3854 on the entire subreg rtx.
3855 (push_reload): Use SUBREG_BYTE in comments and code.
3856 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3857 for hard registers inside subregs.
3858 (operands_match_p): Use subreg_regno_offset.
3859 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3860 containing hard regs.
3861 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3862 corrections when fixing up MEM subregs.
3863 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3864 subreg_regno_offset where appropriate.
3865 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3866 byte endian corrections when fixing up MEM subregs.
3867 (subst_reloads): When combining two subregs, make sure final
3868 offset is congruent to subreg's mode size.
3869 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3870 (refers_to_regno_for_reload_p): Use subreg_regno.
3871 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3872 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3873 correction code for memory subreg fixups.
3874 (forget_old_reload_1): Use subreg_regno_offset.
3875 (choose_reload_regs): Use subreg_regno.
3876 (emit_input_reload_insns): Use SUBREG_BYTE.
3877 (reload_combine_note_store): Use subreg_regno_offset.
3878 (move2add_note_store): Use subreg_regno_offset.
3879 * resource.c (update_live_status, mark_referenced_resources): Use
3880 subreg_regno function.
3881 (mark_set_resources): Use subreg_regno function.
3882 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3883 (subreg_regno_offset, subreg_regno): Define prototypes.
3884 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3885 (gen_lowpart_SUBREG): Add prototype.
3886 * rtl.texi (subreg): Update to reflect new byte offset representation.
3887 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3888 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3889 (reg_overlap_mentioned_p): Use subreg_regno.
3890 (replace_regs); Make sure final offset of combined subreg is
3891 congruent to size of subreg's mode.
3892 (subreg_regno_offset): New function.
3893 (subreg_regno): New function.
3894 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3895 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3896 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3897 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3898 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
3899 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
3900 (a29k_get_reloaded_address): Use SUBREG_BYTE.
3901 (print_operand): Use SUBREG_BYTE.
3902 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
3903 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3904 (arm_reload_out_hi): Use SUBREG_BYTE.
3905 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3906 instead of SUBREG_WORD.
3907 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3908 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3909 SUBREG creation to use byte offset.
3910 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3911 inverted load insns): Fix explicit rtl subregs to use byte
3913 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3914 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3915 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
3916 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
3917 to use byte offsets.
3918 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
3919 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
3920 offsets, also make sure it is congruent to SUBREG's mode size.
3921 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
3922 unnamed ldob insn): Generate SUBREGs with byte offset.
3923 (zero_extendqihi2): SUBREG's are byte offsets.
3924 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
3925 (m68hc11_gen_highpart): Use SUBREG_BYTE.
3926 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
3927 zero-extendqisi2): Generate SUBREGs with byte offset.
3928 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
3929 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
3930 subregs in rtl to use byte offsets.
3931 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
3932 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
3933 (mips_move_2words): Use subreg_regno_offset.
3934 (mips_secondary_reload_class): Use subreg_regno_offset.
3935 * config/mips/mips.md (DImode plus, minus, move, and logical op
3936 splits): Fixup explicit subregs in rtl to use byte offsets.
3937 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
3938 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
3939 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
3940 rtl to use byte offsets.
3941 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
3942 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
3943 subregs to use byte offsets.
3944 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
3945 Fixup explicit subregs in rtl to use byte offsets.
3946 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
3947 and remove byte endian correction code.
3948 * config/sh/sh.c (output_movedouble): Use subreg_regno.
3949 (gen_ashift_hi): Use SUBREG_BYTE.
3950 (regs_used): Use subreg_regno_offset.
3951 (machine_dependent_reorg): Use subreg_regno_offset.
3952 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
3953 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
3954 (movdf_i4): Subregs are byte offsets now.
3955 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
3956 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
3957 (REGMODE_NATURAL_SIZE): Override.
3958 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
3959 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
3961 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
3962 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
3963 extendqidi2): Generate SUBREGs with byte offsets, also make sure
3964 it is congruent to SUBREG's mode size.
3965 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
3967 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
3968 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
3969 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
3970 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
3971 * config/v850/v850.c (print_operand, output_move_double): Use
3972 subreg_regno function.
3974 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3976 * configure.in (target_subdir): Use target_alias, not target.
3977 * configure: Rebuilt.
3979 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3981 * config/sh/crti.asm: Fix typos in comments.
3983 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3985 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3986 TARGET_FAST_INDIRECT_CALLS.
3987 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3989 (return_addr_rtx): Short circuit export stub matching when
3990 TARGET_NO_SPACE_REGS.
3991 (output_millicode_call): For out of range calls, make -fPIC
3992 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3993 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3994 * pa.md: Modify length attr calculation of all millicode insns to
3997 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3999 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
4000 Require at least 2.11 in the version test. Specifically check
4001 for and reject GAS version 2.10.90.
4002 * configure: regenerate.
4004 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4006 * pa.c (override_options): Remove PIC profiling warning.
4007 (hp_profile_labelno): Delete.
4008 (hp_profile_label_rtx): Delete.
4009 (hp_profile_label_name): Delete.
4010 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
4011 (output_function_prologue): Remove profiling code and all tests on
4012 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
4013 merge_sp_adjust_with_store can work for PIC and profiling.
4014 (hppa_expand_epilogue): Remove profile_flag test.
4015 (hppa_can_use_return_insn_p): Likewise.
4016 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
4017 cater for PROFILE_HOOK.
4018 (hppa_profile_hook): New function.
4019 * pa.h (FUNCTION_PROFILER): Now does nothing.
4020 (PROFILE_HOOK): Define.
4021 (hppa_profile_hook): Declare.
4022 (PROFILE_BEFORE_PROLOGUE): Delete.
4023 (ASM_OUTPUT_REG_PUSH): Delete.
4024 (ASM_OUTPUT_REG_POP): Delete.
4025 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
4026 r24. Accept function name operand, and use this and a locally
4027 generated label to calculate pc-rel offset to func start.
4029 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4031 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
4032 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
4035 2001-04-03 Alan Modra <alan@linuxcare.com.au>
4037 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
4038 LO_SUM cases to where they belong.
4040 2001-04-02 Richard Henderson <rth@redhat.com>
4042 * except.h (lang_eh_type_covers): Mark extern.
4043 (lang_eh_runtime_type): Likewise.
4045 2001-04-02 Zack Weinberg <zackw@stanford.edu>
4047 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
4048 gengenrtl.c: Wrap generated header in multiple-include guard.
4049 Improve error checking.
4051 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * configure.in: Don't check for putenv.
4054 * configure: Regenerate.
4055 * gcc.c (putenv): Don't define.
4056 * vax/xm-vms.h: Handle putenv.
4058 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4060 * ifcvt.c (noce_emit_move_insn): New.
4061 (noce_try_store_flag, noce_try_store_flag_constants,
4062 noce_try_store_flag_inc, noce_try_store_flag_mask,
4063 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4064 noce_try_abs): Use it.
4065 (noce_process_if_block): Likewise.
4066 For STRICT_LOW_PART, take mode from its SUBREG.
4068 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4070 * fold-const.c (fold): Before optimizing unsigned comparison with
4071 0x7fffffffU, make sure arg0 is integral type.
4073 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4075 * c-tree.texi: Document representation of wide strings.
4077 2001-04-01 Richard Henderson <rth@redhat.com>
4079 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4081 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4083 * i386.md: remove obsoleted comments.
4084 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4085 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4086 fix output template.
4088 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4090 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4092 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4094 * loop.c (load_mems): When generating a load from a pseudo, update
4097 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4099 * i386.c (ix86_split_long_move): Use change address to compensate
4100 stack pointer change in push instruction.
4102 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4104 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4105 instead of rtx_equal_p; fix the output template.
4107 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4109 * i386.c (ix86_expand_setcc): Support 64bit.
4110 (ix86_expand_int_movcc): Likewise.
4111 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4114 * i386.md (allocate_stack_worker): Turn to expander.
4115 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4117 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4119 2001-03-29 Richard Henderson <rth@redhat.com>
4121 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4123 2001-03-28 Matthew Hiller <hiller@redhat.com>
4125 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4128 * MAINTAINERS: Added self.
4130 2001-03-28 Richard Henderson <rth@redhat.com>
4132 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4133 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4135 2001-03-28 Jim Wilson <wilson@redhat.com>
4137 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4140 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4142 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4144 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4147 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4149 2001-03-28 DJ Delorie <dj@redhat.com>
4151 * Makefile.in (stage1_build): Revert CFLAGS patch.
4153 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4155 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4156 when multiplier or multiplicand is zero.
4158 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4160 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4162 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4164 (set_src_needs_barrier): Likewise.
4165 (rtx_needs_barrier): For SET case, use these two functions. Rework
4166 PARALLEL case to handle all inputs before all outputs.
4167 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4168 saw a label and no stop bit since then.
4169 (maybe_rotate, process_epilogue): Add prototypes.
4171 2001-03-28 Richard Henderson <rth@redhat.com>
4173 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4174 not TARGET_TOC for special toc restore handling.
4175 * config/rs6000/rs6000.md (eh_return): Likewise.
4177 2001-03-28 Richard Henderson <rth@redhat.com>
4179 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4180 current_function_calls_eh_return.
4181 (output_function_epilogue): Handle eh_return.
4182 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4183 (EH_RETURN_DATA_REGNO): New.
4184 (EH_RETURN_STACKADJ_RTX): New.
4185 (EH_RETURN_HANDLER_RTX): New.
4186 * config/sparc/sparc.md (call/short branch peepholes): Check
4187 can_throw_internal instead of in_same_eh_region.
4189 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4190 for eh_return data registers.
4191 (rs6000_emit_prologue): Save eh_return data registers.
4192 (rs6000_emit_epilogue): Force inline restores if eh_return.
4193 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4194 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4195 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4196 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4197 the target uses one.
4198 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4199 (return_eh_si, return_eh_di): Remove.
4200 (eh_return): New, from corpse of eh_epilogue.
4201 (eh_set_lr_si, eh_set_lr_di): New.
4203 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4204 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4205 True for pic register if current_function_calls_eh_return.
4206 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4207 Handle eh_return requirements.
4208 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4209 (EH_RETURN_STACKADJ_RTX): New.
4210 * config/i386/i386.md (exception_receiver): Remove.
4211 (eh_return, eh_return_1): New.
4212 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4214 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4215 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4216 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4217 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4218 (EH_RETURN_DATA_REGNO): New.
4219 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4220 * config/alpha/alpha.md (eh_epilogue): Remove.
4221 (exception_receiver): Use $26 for ldgp input.
4222 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4224 2001-03-28 Richard Henderson <rth@redhat.com>
4226 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4227 * except.h: Likewise.
4229 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4230 (LIB2ADDEHDEP): New.
4231 (LIB2FUNCS_EH): Remove.
4232 (LIB2ADD): Remove LIB2ADDEH.
4233 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4234 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4235 (crt{begin,end}[S].o): Likewise.
4236 (except.o): Update includes.
4237 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4238 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4240 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4241 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4242 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4243 * builtins.c (expand_builtin): Implement it.
4244 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4245 * c-common.c (c_common_nodes_and_builtins): Declare it.
4246 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4247 * calls.c (libfunc_nothrow): Remove.
4248 (emit_library_call_value_1): Don't call it.
4249 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4250 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4251 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4252 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4253 (current_funcdef_number): Globalize.
4254 (output_call_frame_info): Emit frame data if an lsda is needed.
4255 Generate augmentation for personality routine. Don't play with
4257 (dwarf2out_begin_prologue): Record funcdef_number.
4258 * dwarf2out.h (current_funcdef_number): Declare.
4259 * expr.c (expand_expr): Update for except.h name changes.
4260 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4261 * expr.h (LTI_throw, LTI_rethrow): Remove.
4262 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4263 (LTI_eh_rtime_match): Remove.
4264 (LTI_unwind_resume, LTI_eh_personality): Add.
4265 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4266 * final.c (final): Don't call check_exception_handler_labels,
4267 init_insn_eh_region, or free_insn_eh_region.
4268 (final_scan_insn): Always emit debug labels for
4269 NOTE_INSN_EH_REGION notes.
4270 * flags.h (flag_new_exceptions): Remove.
4271 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4272 (record_active_eh_regions): Remove.
4273 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4274 Use can_throw_internal.
4275 (find_basic_blocks_1): Likewise.
4276 (move_stray_eh_region_notes): Remove.
4277 (find_label_refs): No eh_return_stub_label.
4278 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4279 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4281 (delete_unreachable_blocks): Don't track deleted handlers.
4282 (flow_delete_block): Use maybe_remove_eh_handler.
4283 (delete_eh_regions): Remove.
4284 (merge_blocks): Don't check for eh region match.
4285 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4286 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4287 (init_propagate_block_info): Disable dead frame store optimization
4288 when current_function_calls_eh_return.
4289 (dump_bb): Don't print eh_beg, eh_end.
4290 * function.c (fixup_var_refs): No catch_clauses.
4291 (expand_function_end): Likewise. Call expand_eh_return before
4292 the return register use. Call sjlj_emit_function_exit_after.
4293 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4294 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4295 * ifcvt.c (dead_or_predicable): Remove eh region check.
4296 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4297 Don't check for EH vs parameters.
4298 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4299 (expand_inline_function): Call duplicate_eh_regions.
4300 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4301 (copy_insn_notes): Remap REG_EH_REGION notes.
4302 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4303 * integrate.h (struct inline_remap): Add local_return_label.
4304 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4305 check_exception_handler_labels, nor exception_optimize.
4306 (find_cross_jump): No EH region check.
4307 * optabs.c (init_optabs): Update for changed eh libfuncs.
4308 * rtl.def (RESX): New.
4309 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4310 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4311 checks. Update for except.h name changes.
4312 (expand_cleanups): Likewise.
4313 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4314 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4315 (compile_file): Call init_eh before init_optabs. Don't
4316 output_exception_table here.
4317 (rest_of_compilation): Call convert_from_eh_region_ranges,
4318 convert_to_eh_region_ranges, output_function_exception_table.
4319 Don't emit_eh_context.
4320 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4321 (EXC_PTR_EXPR): New.
4323 * md.texi (eh_epilogue): Remove.
4324 (eh_return): Document.
4325 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4326 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4328 * eh-common.h: Remove file.
4329 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4330 * libgcc2.c (L_eh): Remove.
4332 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4333 * unwind-dw2-fde.h: New file.
4334 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4335 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4336 * libgcc-std.ver: Update for eh symbols.
4338 2001-03-27 Richard Henderson <rth@redhat.com>
4340 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4341 reduce false positives.
4342 (regmove_optimize): Disable if flag_non_call_exceptions.
4344 * stmt.c (expand_return): Remove always true predicate.
4345 (expand_decl_cleanup_no_eh): Remove dead code.
4347 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4348 barrier code. Add a scheduling barrier if a non-call insn
4349 can throw internally.
4351 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4352 Auto-inc addresses trap only if their base register does.
4354 * except.c (can_throw_internal): Rename from can_throw.
4355 * except.h, resource.c: Update references.
4357 * integrate.c (copy_insn_list): Use returnjump_p.
4358 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4360 * function.h (struct function): Move all boolean valued fields
4361 to single bit fields at the end of the struct.
4363 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4365 Rename asynchronous_exceptions to flag_non_call_exceptions.
4367 * gthr-single.h (UNUSED): New. Distinguish between how C
4368 and C++ mark unused function arguments. Use throughout.
4370 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4371 value to target configuration header.
4372 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4373 * config.in, configure: Rebuild.
4374 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4375 configuration and target defines.
4376 (exceptions_via_longjmp): Remove.
4377 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4378 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4380 * except.h (flag_non_call_exceptions): Move ...
4381 * flags.h: ... here.
4383 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4384 exceptions, put the note on the trapping instruction.
4386 * flags.h (flag_new_exceptions): Remove.
4387 * toplev.c: Don't set it.
4388 * final.c: Don't check it.
4389 * except.c: Provide stub definition.
4391 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4392 (calculate_global_regs_live): Kill call-clobbered registers
4393 across exception edges.
4394 * reg-stack.c (convert_regs_1): Kill the entire target stack
4395 across non-call exception edges.
4397 * flow.c (cleanup_cfg): Take no argument.
4398 * output.h, sibcall.c, toplev.c: Update all calls.
4400 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4402 * configure.in: Don't check for bcopy.
4403 * configure, config.in: Regenerate.
4405 * system.h: Don't define or prototype bcopy, instead poison it.
4407 2001-03-27 Richard Henderson <rth@redhat.com>
4409 * function.c (expand_function_start): Set DECL_REGISTER on
4410 a pseudo used for DECL_RESULT.
4412 * rtl.h (LCT_NORETURN): New.
4413 * calls.c (emit_library_call_value_1): Handle it.
4415 2001-03-27 Stan Shebs <shebs@apple.com>
4417 * objc/objc-act.c (objc_init): Use dump_base_name.
4418 (gen_declaration): Clear the buffer arg.
4419 (gen_declaration_1): New function, body of gen_declaration.
4420 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4421 (gen_method_decl): Ditto, plus always clear buffer arg.
4422 (error_with_ivar): Simplify.
4423 (warn_with_method): Ditto.
4424 (build_message_expr): Don't clear buffers.
4425 (dump_interface): Ditto.
4426 (objc_debug): Ditto.
4427 (build_keyword_selector): Clear the buffer by only zeroing
4429 (objc_implementation_context): Declare.
4430 (start_class): Warn about missing @end.
4431 (finish_objc): Ditto.
4433 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4435 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4437 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4439 * Makefile.in (SYSTEM_H): Define.
4440 Depend on $(SYSTEM_H), not system.h.
4442 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4444 2001-03-27 Jim Wilson <wilson@redhat.com>
4446 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4448 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4449 (process_epilogue): New static function.
4450 (process_set): Call process_epilogue instead of emitting .restore
4452 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4454 * flow.c (struct reg_cond_life_info): New fields orig_condition
4456 (init_propagate_block_info): Set new fields.
4457 (mark_regno_cond_dead): Set and use new fields.
4458 (flush_reg_cond_reg_1): Likewise.
4459 (and_reg_cond, case AND): Check for redundant AND conditions.
4460 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4463 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4465 * cppmacro.c (stringify_arg): Null terminate strings.
4467 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4469 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4470 inclusion style. xm-m68hc11.h no longer exists.
4471 * config/m68hc11/xm-m68hc11.h: Delete file.
4472 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4474 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4475 Don't define GCC_VERSION, N_, or PARAMS; don't include
4476 gansidecl.h or stdio.h. Define inhibit_libc here.
4477 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4478 Delete code conditioned on #if GCC_VERSION == 2095.
4480 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4481 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4482 Delete code conditioned on #if GCC_VERSION == 2095.
4484 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4486 * system.h: Include symcat.h.
4487 (STRINGIFY): Don't define.
4489 * configure.in: Adjust comment.
4491 * builtins.c: Use STRINGX, not STRINGIFY.
4492 * gencheck.c: Likewise.
4493 * gengenrtl.c: Likewise.
4494 * protoize.c: Likewise.
4496 * cpplex.c: Don't include symcat.h.
4497 * cpplib.c: Likewise.
4499 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4501 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4503 * c-typeck.c (digest_init): Fold init expression.
4505 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4507 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4509 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4511 * except.c (eh_regs): Save results of build_pointer_type to a temp
4512 as FUNCTION_VALUE macro may evaluate its args multiple times.
4514 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4516 * c-common.h (DECL_NUM_STMTS): New macro.
4517 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4519 (pushdecl): Likewise.
4520 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4521 * integrate.c (expand_inline_function): Don't check
4523 * print-tree.c (print_node): Don't print it.
4524 * toplev.c (rest_of_compilation): Don't try to inline when
4525 flag_no_inline is on.
4526 * tree.h (DECL_FRAME_SIZE): Remove.
4527 (tree_decl): Adjust accordingly.
4529 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4531 * combine.c (try_combine): Use memcpy, not bcopy.
4533 * genattrtab.c (expand_units): Likewise.
4535 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4537 * i386.md (push mem DI peep2): New.
4538 (mov 0, mov -1 peep2): Handle 64bit.
4539 (lea to arithmetics peep2): Handle 64bit leas.
4540 (rsp arithmetics to push/pop peep2s): New.
4542 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4544 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4546 * i386.c (struct machine_function): Add save_varrargs_registers.
4547 (ix86_save_varrargs_registers): New macro.
4548 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4549 (ix86_expand_prologue): Likewise.
4550 (ix86_emit_epilogue_esp_adjustement): Likewise.
4551 (ix86_expand_epilogue): Likewise.
4552 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4553 (pro_epilogue_adjust_stack_1): New insn.
4554 (pro_epilogue_adjust_stack_rex64): Likewise.
4555 * i386.h (MASK_NO_RED_ZONE): New constant.
4556 (TARGET_RED_ZONE): New macro.
4557 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4558 (RED_ZONE_SIZE): New constant.
4559 (RED_ZONE_RESERVE): New constant.
4561 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4563 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4565 2001-03-25 Kazu Hirata <kazu@hxi.com>
4567 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4570 (umodhi3): Likewise.
4573 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4575 * mkconfig.sh (DEFINES): Handle entries with '='.
4577 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4578 Set xm_defines to MACRO=value instead.
4580 * i370/xm-mvs.h: Delete.
4582 * ns32k/xm-pc532-min.h: Likewise.
4584 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4586 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4588 use ix86_expand_binary_operator
4589 (?sh??i_?): Disable for 64bit.
4590 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4591 * i386.c (shiftdi_operand): New predicate.
4593 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4594 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4595 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4596 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4597 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4598 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4599 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4600 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4601 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4602 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4603 (rotldi3, rotrdi3): New expanders.
4605 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4607 * i386.md (movstrsi): Move offline.
4609 (strmovdi_rex64): New.
4610 (strmov?i): Accept 64bit.
4611 (strmov?i_rex64): New.
4612 (strmov?i_rex_1): New.
4613 (strmov?i_1): Disable for 64bit.
4614 (rep_mov?i_rex64): New.
4615 (rep_mov?i): Disable for 64bit.
4616 (clrstrsi): Move offline.
4617 (strset?i_rex64): New.
4618 (strset?i: Accept 64bit.
4619 (rep_stos?i): Disable for 64bit.
4620 (rep_stos?i_rex64): New.
4621 (strset?i_rex_1): New.
4622 (strset?i_1): Disable for 64bit.
4623 (cmpstrsi): Accept 64bit.
4624 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4625 (cmpstrqi_nz_rex_1): New.
4626 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4627 (strlensi): Move offline.
4629 (strlenqi_1): Disable for 64bit; fix constraints.
4630 (strlenqi_rex_1): New.
4631 * i386.c (ix86_adjust_counter): New static function.
4632 (ix86_zero_extend_to_Pmode): Likewise.
4633 (ix86_expand_aligntest): Likweise.
4634 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4635 (ix86_expand_movstr): New global function.
4636 (ix86_expand_clrstr): New global function.
4637 (ix86_expand_strlen): New global function.
4638 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4639 ix86_expand_strlen): Declare.
4640 (ix86_expand_strlensi_unroll_1): Delete.
4642 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4644 * i386.md (cmpdi): Fix operand predicates.
4645 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4646 cmpdi_1_insn_rex64): New patterns.
4647 (adddi3): Turn to expander.
4648 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4649 (addsi3_carry_zext): New pattern.
4650 (adddi_?_rex64): New patterns and splitters.
4651 (addsi_?_zext): New patterns.
4652 (subsi3_carry_zext): New pattern.
4653 (subdi_?_rex64): New patterns and splitters.
4654 (iorsi_?_zext): New patterns.
4655 (iordi_?_rex64): New patterns and splitters.
4656 (iorsi_?_zext): New patterns.
4657 (iorsi_?_zext_imm): New patterns.
4658 (xorsi_?_zext): New patterns.
4659 (xordi_?_rex64): New patterns and splitters.
4660 (xorsi_?_zext): New patterns.
4661 (negdi*): New patterns.
4662 (one_cmpldi*): Likewise.
4663 (one_cmplsi*_zext, negsi*_zext): Likewise.
4664 (testqi_ext_3_rex64): New pattern.
4666 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4668 * i386-protos.h (ix86_split_long_move): Return void.
4669 * i386.c (ix86_split_to_parts): Handle 64bit target.
4670 (ix86_split_long_move): Likewise.
4671 * i386.md (all calls to ix86_split_long_move): Update.
4673 2001-03-23 Richard Henderson <rth@redhat.com>
4675 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4676 to avoid shadowing arguments.
4678 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4680 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4681 to variable names where DECL_NAME is different from
4682 DECL_ASSEMBLER_NAME.
4684 2001-03-23 Jim Wilson <wilson@redhat.com>
4686 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4687 (assemble_alias): Call make_decl_rtl.
4689 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4691 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4693 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4695 * extend.texi: Document the "java_interface" attribute.
4697 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4699 * mkconfig.sh: Use a subshell with redirected stdout,
4700 instead of closing stdout and confusing commands that run
4701 afterward. Throw away output of cmp.
4703 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4705 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4707 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4709 * i386.md (zero_extendsidi2_32): Break out from ...
4710 (zero_extendsidi2): ... here ; turn to expander.
4711 (zero_extendsidi2_rex64): New.
4712 (extendsidi2_32): Break out from ...
4713 (extendsidi2): ... here ; turn to expander.
4714 (extendsidi2_rex64): New.
4715 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4716 (trunc?f?f splitters): Add 64bit versions.
4718 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4720 * i386.md (pushsi, pushsi2_prologue): Disable.
4721 (pushsi2_rex64): New.
4722 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4723 (movqi_ext_1): Disable for 64bit.
4724 (movqi_ext_1_rex64): New.
4725 (pushdi2_rex64): New pattern, peep2s and splitter.
4726 (pushdi2_prologue_rex64): New pattern.
4727 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4729 (movdi splitters): Disable for 64bit.
4730 (movdi_1_rex64): New pattern, peep2s and splitters.
4731 (swapdi): New pattern.
4732 (pushsf): Disable for 64bit.
4733 (pushsf_rex64): New pattern and splitter.
4734 (pushdf_nointeger): Disable for 64bit.
4735 (pushdf_integer): Handle the 64bit case.
4736 (pushtf): Likewise; update splitters.
4738 2001-03-22 Richard Henderson <rth@redhat.com>
4740 * mkconfig.sh: Include insn-flags.h.
4741 * Makefile.in (CONFIG_H): Include insn-flags.h.
4742 (lots of objects): Remove insn-codes.h and insn-flags.h.
4744 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4745 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4746 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4747 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4748 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4749 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4750 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4751 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4752 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4753 v850/v850.c, vax/vax.c:
4754 Don't include insn-flags.h.
4756 * diagnostic.c, expr.h, reload.c, toplev.c:
4757 Don't include insn-codes.h.
4759 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4760 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4761 c4x/c4x.c, i960/i960.c, mips/mips.c:
4762 Don't include insn-codes.h or insn-flags.h.
4764 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4765 or insn-flags.h in the generated code.
4766 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4767 (main): Forward declare struct rtx_def.
4769 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4771 * invoke.texi (-ffast-math): Remove duplicate line about
4774 * gcc.texi: Remove more obsolete documentation of bugs and
4775 installation problems.
4777 2001-03-21 Kazu Hirata <kazu@hxi.com>
4779 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4782 2001-03-20 Jason Merrill <jason@redhat.com>
4784 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4786 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4787 * varasm.c (CHKR_PREFIX): Likewise.
4789 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4791 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4792 is part of a multi-SET insn.
4794 * cse.c (find_comparison_args): Remove previous change.
4795 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4798 * config/i386/i386.md (conditional_trap): Remove warning.
4800 * recog.c (push_operand): Fix error in last change that caused
4801 undefined symbol on many targets.
4803 * sdbout.c: #include ggc.h.
4804 (sdbout_init): Move to end of file.
4805 Call ggc_add_tree_root for anonymous_types.
4806 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4807 (sdbout_one_type): Use DECL_NAME for field name.
4808 * Makefile.in (sdbout.o): Show includes ggc.h.
4810 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4812 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4813 (override_options): Use properlimits for preferred_stack_boundary.
4814 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4816 (ext_register_operand): Accept DImode.
4817 (load_pic_register): Abort on 64bit.
4818 (gen_push): Use Pmode instead of SImode.
4819 (ix86_save_reg): Pic reg is never used on 64bit.
4820 (ix86_expand_prologue): Likewise.
4821 (ix86_emit_save_regs): Use Pmode instead of SImode.
4822 (legitimate_address_p): Check displacement for 64bit.
4823 (print_operand): Avoid outputting of (%rip) on 64bit.
4824 (print_operand_address): Output (%rip) where possible.
4825 (split_di): Abort on 64bit registers.
4826 (ix86_expand_branch): DImode comparison is simple for x86_64.
4827 (memory_address_length): Recognize memory addresses formed using
4829 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4831 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4833 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4835 * recog.c (push_operand): Recognize new format of push instructions.
4837 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4839 * i386.md (pushqi1): New.
4840 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4841 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4842 x86_64_immediate_operand, x86_64_immediate_operand,
4843 x86_64_zext_immediate_operand): Declare.
4844 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4845 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4846 x86_64_immediate_operand, x86_64_immediate_operand,
4847 x86_64_zext_immediate_operand): define.
4848 * i386.h (PREDICATE_CODES): Add new predicates.
4850 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4852 * i386.md (pophi1, popqi1, pushqi1): Remove.
4854 * expr.c (emit_single_push_insn): New function.
4855 (move_by_pieces): Accept NULL as destination for push instructions.
4856 (gen_push_operand): Kill.
4857 (emit_push_insn): Pass NULL when pushing; avoid updating of
4858 stack_pointer_delta.
4859 * expr.h (gen_push_operand): Kill.
4861 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4863 * rtl.texi (COMPARE): Clarify documentation and reference section
4866 2001-03-20 Stan Shebs <shebs@apple.com>
4868 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4869 (get_object_reference): Ditto.
4870 (error_with_ivar): Use error_with_file_and_line.
4871 (warn_with_method): Use warning_with_file_and_line.
4873 2001-03-20 Tom Tromey <tromey@redhat.com>
4875 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4877 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4879 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4880 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4882 2001-03-20 DJ Delorie <dj@redhat.com>
4884 * Makefile.in (install-libgcc): Pass complete list of variables.
4885 (install-multilib): Ditto.
4887 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4889 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4890 drectve_section, switch_to_section.
4892 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4893 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4894 i386_pe_mark_dllimport.
4896 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4898 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4899 functions i386_pe_*.
4901 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4902 i386_pe_* functions with char * arguments.
4904 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4906 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4908 (movsi_ie): Introduce fpul store.
4910 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4912 * Makefile.in (OBJS): Remove hashtab.o.
4914 2001-03-19 Stan Shebs <shebs@apple.com>
4916 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
4917 * c-lang.c (maybe_objc_method_name): Ditto.
4918 * c-tree.h (maybe_objc_method_name): Remove decl.
4920 2001-03-19 Tom Tromey <tromey@redhat.com>
4922 * gcc.c (init_gcc_specs): Fix comment.
4924 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4926 Compute DECL_ASSEMBLER_NAME lazily.
4927 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4928 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4929 (SET_DECL_ASSEMBLER_NAME): Likewise.
4930 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4931 (set_decl_assembler_name): Declare.
4932 (lang_set_decl_assembler_name): Likewise.
4933 * tree.c (lang_set_decl_assembler_name): New variab.e
4934 (set_decl_assembler_name): New function.
4935 (init_obstacks): Set lang_set_decl_assembler_name.
4936 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4937 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4938 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4939 where it's not necessary.
4940 (builtin_function): Likewise.
4941 (finish_decl): Likewise.
4942 * dbxout.c (dbxout_type_methods): Likewise.
4943 * ggc-common.c (ggc_mark_trees): Likewise.
4944 * profile.c (output_func_start_profiler): Likewise.
4945 * varasm.c (make_decl_rtl): Likewise.
4947 * cse.c (find_comparison_args): Update documentation. Fix
4948 mishandling of COMPARE operations.
4950 * tree.def (ABS_EXPR): Add documentation.
4951 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4953 2001-03-19 Zack Weinberg <zackw@stanford.edu>
4955 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
4957 2001-03-19 Jakub Jelinek <jakub@redhat.com>
4959 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4960 Remove ia32 linux PIC kludge and move it...
4961 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4963 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
4965 * i386.md (absdf2 expander): Fix 64bit case.
4967 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
4969 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4971 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4973 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4975 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4977 * README.X11: Remove obsolete file.
4979 2001-03-18 Anthony Green <green@redhat.com>
4981 * config/pj/pj.h: Remove some trailing commas.
4982 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4984 2001-03-18 Richard Henderson <rth@redhat.com>
4986 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4987 * calls.c: ... here.
4988 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4989 defaults for them here.
4991 2001-03-17 Anthony Green <green@redhat.com>
4993 * config/pj/lib1funcs.S: Fix broken comment.
4994 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4997 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4999 * gcc.texi: Remove obsolete information relating to build and
5000 installation problems with enquire or the Pyramid C compiler.
5002 2001-03-17 Richard Henderson <rth@redhat.com>
5004 * dwarf2out.c (queue_reg_save): New.
5005 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
5006 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
5008 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
5009 (cfa, cfa_store, cfa_temp): Make static.
5010 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
5012 2001-03-17 Richard Henderson <rth@redhat.com>
5014 * integrate.h (struct inline_remap): Add local_return_label.
5015 * integrate.c (expand_inline_function): Initialize it and emit
5016 it after copy_insn_notes.
5017 (copy_insn_list): Don't store local_return_label here.
5018 (copy_insn_notes): New function split out from copy_insn_list.
5020 2001-03-17 Richard Henderson <rth@redhat.com>
5022 * dwarf2out.c (lookup_filename): Emit .file if the assembler
5023 is generating .debug_line.
5024 (dwarf2out_init): Add main_input_filename to the file table first.
5025 * configure.in (as_dwarf2_debug_line): Test with file number 1
5026 instead of file number 0.
5028 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5030 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
5031 (gen_rtx_combine): Deleted; all references changed as appropriate.
5032 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
5034 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
5036 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
5038 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
5041 2001-03-16 Jim Wilson <wilson@redhat.com>
5043 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
5044 then set it to LOC_REG (79) instead of aborting.
5046 2001-03-16 Phil Edwards <pme@sources.redhat.com>
5048 * gccbug.in: Remove high priority.
5050 2001-03-16 Richard Henerson <rth@redhat.com>
5052 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
5053 output with a space instead of deleting it.
5054 * configure: Regenerate.
5056 2001-03-16 Zack Weinberg <zackw@stanford.edu>
5058 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
5059 handles the gory details of converting an object file into
5060 something that's safe to grep.
5061 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5062 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5063 newlines at either end of the string we're looking for.
5064 Make 'checking ...' message less stilted.
5065 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5066 ARM in-memory layout and its hypothetical converse. Don't
5067 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5068 HOST_WORDS_BIG_ENDIAN.
5070 * configure.in: Adjust for renamed macro. Move
5071 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5072 * configure, config.in: Regenerate.
5074 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5076 * fixinc/Makefile.in: Set SHELL.
5078 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5080 * fixinc/fixincl.c (fix_with_system): Quote file names before
5081 passing them to shell.
5083 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5085 * Makefile.in: Use fix-header$(build_exeext) instead
5088 2001-03-16 Richard Henderson <rth@redhat.com>
5090 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5091 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5092 (size_of_line_prolog): Remove.
5093 (output_line_info): Compute prologue size via label difference.
5094 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5096 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5097 assembler error when redefining file numbers.
5098 * config.in, configure: Rebuild.
5100 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5101 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5102 (dw2_asm_output_delta_uleb128): Likewise.
5103 (dw2_asm_output_delta_sleb128): Similarly.
5104 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5106 2001-03-16 Michael Meissner <meissner@redhat.com>
5108 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5110 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5112 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5114 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5115 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5116 being unsigned in ISO C and signed in traditional.
5117 (expand_prologue): Ditto.
5118 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5120 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5122 (divsi3,divdi3): Ditto.
5123 (modsi3,moddi3): Ditto.
5124 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5125 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5126 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5129 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5131 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5132 SSE based conditional moves on LTGT/UNEQ conditions;
5133 Canonicalize EQ to NE.
5134 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5135 (sse_mov?fcc_ne): New.
5137 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5139 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5141 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5142 register may be dead.
5144 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5146 * Makefile.in (hash.o): Depend on CONFIG_H.
5148 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5150 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5152 2001-03-15 Richard Henderson <rth@redhat.com>
5154 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5155 (ASM_OUTPUT_DWARF_PCREL): New.
5156 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5158 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5160 * cppfiles.c (stack_include_file): Use MAX of sysp.
5162 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5164 * config.gcc (ia64*-*-hpux*): New case.
5165 * config/ia64/hpux.h: New file for HP-UX support.
5166 * config/ia64/t-hpux: New file for HP-UX support.
5168 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5170 * fixinc/inclhack.def (irix_stdio_va_list): New.
5171 * fixinc/fixincl.x: Rebuilt.
5173 2001-03-15 Richard Henderson <rth@redhat.com>
5175 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5176 if provided by the target.
5177 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5178 (dw2_asm_output_addr): New.
5179 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5180 * dwarf2out.c (output_cfi): Use it for program addresses.
5181 (output_call_frame_info, output_die): Likewise.
5182 (output_aranges, output_line_info): Likewise.
5184 2001-03-15 Bruce Korb <bkorb@gnu.org>
5186 * gcc.c(main): make more rigorous
5187 * collect2.c(main): guard against ignoring SIGCHLD
5188 * protoize.c(main): ditto
5189 * gcc/fixinc/fixincl.c(initialize): ditto
5191 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5193 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5194 (sdbout_parms): Likewise.
5196 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5198 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5199 "widen" a destination that is already wider than a word. Also do
5200 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5202 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5204 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5206 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5208 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5210 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5212 * i960.h (i960_maxbitalignment,
5213 i960_last_maxbitalignment): Declare.
5214 * i960.c (i960_maxbitalignment,
5215 i960_last_maxbitalignment): Make global.
5216 (process_pragma): Delete.
5217 (i960_pr_align, i960_pr_noalign): Move from here ...
5218 * i960-c.c: ... to this new file.
5219 * t-960bare (i960-c.o): New rule.
5220 * t-vxworks960 (i960-c.o): Likewise.
5221 * config.gcc (i960-*-*): Define c_target_objs and
5224 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5226 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5227 without adding in rtx code and mode.
5229 * alias.c (init_alias_analysis): Don't use any rtx whose value
5230 varies as a known value.
5231 Delete a superfluous test.
5233 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5235 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5236 scheduling a stop bit.
5237 (ia64_emit_nops): Correctly handle ASMs.
5239 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5241 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5243 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5245 * cpp.texi: Update documentation for -include and -imacros.
5246 * cppfiles.c (struct include_file): Remove "defined" memeber.
5247 (find_or_create_entry): Make a copy of the file name, and
5249 (open_file): Update to ensure we use the simplified filename.
5250 (stack_include_file): Don't set search_from.
5251 (cpp_included): Don't simplify the path name here.
5252 (find_include_file): New prototype. Call search_from to
5253 get the start of the "" include chain. Don't simplify the
5255 (_cpp_execute_include): New prototype. Move diagnostics to
5256 do_include_common. Update.
5257 (_cpp_pop_file_buffer): Don't set defined.
5258 (search_from): New prototype. Use the preprocessor's cwd
5259 for files included from the command line.
5260 (read_name_map): Don't simplify the pathname here.
5261 * cpphash.h (enum include_type): New.
5262 (struct buffer): Delete search from. New search_cached.
5263 (_cpp_execute_include): Update prototype.
5264 * cppinit.c (do_includes): Use _cpp_execute_include.
5265 * cpplib.c (do_include_common): New function.
5266 (do_include, do_include_next, do_import): Use it.
5268 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5270 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5271 contents of the RTL, to determine the name of the object.
5273 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5275 * tree.h (DECL_RTL): Allocate RTL lazily.
5276 (SET_DECL_RTL): New macro.
5277 (DECL_RTL_SET_P): Likewise.
5278 (COPY_DECL_RTL): Likewise.
5279 (DECL_RTL_IF_SET): Likewise.
5280 * varasm.c (make_decl_rtl): Add assertions about the kind of
5281 declaration we are processing.
5282 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5283 (start_decl): Likewise.
5284 (finish_decl): Likewise.
5285 * c-semantics.c (emit_local_var): Likewise.
5286 * calls.c (expand_call): Likewise.
5287 * dbxout.c (dbxout_symbol): Likewise.
5288 * emit-rtl.c (unshare_all_rtl): Likewise.
5289 (unshare_all_decls): Likewise.
5290 (reset_used_decls): Likewise.
5291 * expr.c (store_constructor): Likewise.
5292 (safe_from_p): Likewise.
5293 (expand_expr): Likewise.
5294 * function.c (put_var_into_stack): Likewise.
5295 (instantiate_decls_1): Likewise.
5296 (assign_parms): Likewise.
5297 (expand_function_start): Likewise.
5298 (expand_function_end): Likewise.
5299 * ggc-common.c (gcc_mark_trees): Likewise.
5300 * integrate.c (function_cannot_inline_p): Likewise.
5301 (copy_decl_for_inlining): Likewise.
5302 (expand_inline_function): Likewise.
5303 (integrate_parm_decls): Likewise.
5304 (integrate_decl_tree): Likewise.
5305 * print-tree.c (print_node): Likewise.
5306 * reg-stack.c (stack_result): Likewise.
5307 * stmt.c (label_rtx): Likewise.
5308 (expand_return): Likewise.
5309 (expand_decl): Likewise.
5310 (expand_decl_cleanup): Likewise.
5311 (expand_anon_union_decl): Likewise.
5312 * toplev.c (check_global_declarations): Likewise.
5313 (rest_of_decl_compilation): Likewise.
5314 * tree.c (simple_cst_equal): Likewise.
5315 * objc/objc-act.c (generate_static_references): Likewise.
5317 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5319 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5320 gcc_AC_C_FLOAT_FORMAT): New macros.
5321 * configure.in: Add AC_PROG_CPP after CC tests;
5322 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5323 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5324 * configure, config.in: Regenerate.
5326 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5327 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5328 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5329 config/i370/xm-linux.h, config/i370/xm-oe.h,
5330 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5331 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5332 config/pa/xm-linux.h, config/pa/xm-pa.h,
5333 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5334 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5335 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5336 config/we32k/xm-we32k.h: Delete.
5338 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5339 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5340 config/vax/xm-vms.h: Don't define any of:
5341 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5343 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5345 * config.gcc: Remove references to deleted files.
5346 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5347 FATAL_EXIT_CODE, which is the same between oe and mvs).
5349 2001-03-14 DJ Delorie <dj@redhat.com>
5350 Vladimir Makarov <vmakarov@redhat.com>
5352 * config/i960/i960.c (i960_function_prologue): Compute size of
5353 frame according to number of registers actually saved there.
5355 2001-03-14 Richard Henderson <rth@redhat.com>
5357 * expr.c (emit_move_insn_1): Fix else if around #endif.
5359 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5362 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5365 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5367 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5368 (override_options): Parse cmodel string.
5369 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5370 * i386.h (TARGET_OPTIONS): Add "cmodel".
5371 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5373 (ix86_cmodel_string, ix86_cmodel): Declare.
5375 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5378 * i386.h (GENERAL_REG_P): Add missing REG_P.
5380 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5382 * configure.in: Use $gcc_cv_as instead of $as.
5383 * configure: Regenerated.
5385 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5387 * cppfiles.c (stack_include_file): Only increase the include
5388 count if we actually process the file properly, as opposed
5389 to treating it as length zero. Only call read_include_file
5390 if not DO_NOT_REREAD. Handle the -H include file output
5392 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5393 (cpp_included, find_include_file): Simplify pathnames after
5394 remapping them. If remapping, don't use the remapped file
5395 name's buffer as our scratch buffer.
5396 (cpp_pop_file_buffer): Replace the multiple include macro
5397 only if it isn't yet set.
5398 (read_name_map): Simplify remapped names when reading in.
5399 (remap_filename): Move code to code path that uses it.
5400 (_cpp_simplify_pathname): Return the input pointer.
5401 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5403 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5405 * expr.c (expand_expr): Revove bogus conditional.
5407 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5409 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5411 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5413 * reg-stack.c (stack_result): Unconditionally use
5414 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5416 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5418 * expr.c (emit_move_insn_1): Split push of complex value when
5419 no suitable push instruction exist.
5421 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5422 instead of QI_REG_P.
5424 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5426 * alias.c (handled_component_p, can_address_p): New functions.
5427 (get_alias_set): Use them.
5429 2001-03-13 Jim Wilson <wilson@redhat.com>
5431 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5432 from 80 in try_locals code.
5433 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5435 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5437 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5438 gcc_AC_C_LONG_LONG): New.
5439 * configure.in: Use them. Probe the size of short, int, long,
5440 and long long/__int64 if we have them. Move all the AC_C_*
5441 checks together, except gcc_AC_C_CHAR_BIT which has to go
5442 after AC_CHECK_HEADERS(limits.h).
5443 Take hwint.h out of host_xm_file and build_xm_file.
5445 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5446 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5447 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5448 Move the HOST_WIDEST_INT setup logic here from system.h.
5449 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5451 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5452 is now handled by hwint.h.
5454 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5455 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5456 config/ia64/xm-ia64.h: Don't define any of:
5457 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5458 HOST_BITS_PER_LONGLONG.
5460 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5461 config/h8300/xm-h8300.h, config/mips/iris6.h,
5462 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5463 config/sparc/xm-sp64.h: Delete.
5464 * config.gcc: Remove references to deleted files.
5466 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5467 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5468 * config/i370/xm-linux.h: Clarify floating-point situation in
5471 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5473 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5474 (find_include_file): Decide here which part of the include
5475 chain to start the search. Complain about an empty include
5476 chain in all cases apart from an abolsute file name.
5477 (_cpp_execute_include): Don't choose the search chain here.
5478 Don't call handle_missing_include in the case of an empty
5480 (_cpp_compare_file_date): Don't choose the search chain here.
5481 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5482 here from _cpp_execute_include. Behave like #include if
5483 we're in the main file.
5485 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5487 * system.h (malloc, realloc, calloc, strdup): Only poison these
5488 tokens when IN_GCC is defined.
5490 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5492 * i386.md (abs?f expander): Support SSE case.
5493 (abd?f_if): Add new "USE"; add splitters.
5495 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5497 * cpp.texi (poison): Explain the macro expansion exception.
5499 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5501 * expr.c (store_expr): Add dont_store_target. If temp is already in
5502 target before copying to reg, don't store it into target again.
5504 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5506 * cppinternals.texi: Update for file handling.
5508 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5510 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5511 2001-02-24 which broke building the Java library.
5512 * function.c (identify_blocks): Likewise.
5513 (all_blocks): Likewise.
5514 * integrate.c (integrate_decl_tree): Likewise.
5515 * print-tree.c (print_node): Likewise.
5516 * tree.h (BLOCK_NUMBER): Likewise.
5517 (struct tree_block): Likewise.
5519 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5521 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5522 __WCHAR_TYPE__ definition.
5523 (WCHAR_TYPE_SIZE): #undef before #define.
5525 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5527 * cppfiles.c: Update comments.
5528 (destroy_include_file_node): Rename destroy_node.
5529 (find_or_create_entry): New function.
5530 (open_file, _cpp_fake_include): Use it.
5531 (handle_missing_header): New function, broken out of
5532 _cpp_execute include. Don't segfault if there is no
5533 system or quoted path.
5534 (_cpp_execute_include): Use handle_missing_header.
5536 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5538 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5539 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5541 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5543 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5544 unless anti_dependence says they are.
5545 * alias.c (objects_must_conflict): If neither has a type specified,
5548 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5549 David Billinghurst <David.Billinghurst@riotinto.com>
5551 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5553 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5555 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5556 (*_one_bit): Remove type on the match_operand in attributes.
5558 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5560 * i386.c: Commit forgotten hunk in previous patch.
5561 (regclass_map): Add extended registers.
5562 (dbx_register_map): Add missing frame register.
5564 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5566 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5568 * i386.md (x86_sahf_1): Disable for 64bit.
5569 (popsi*, pophi*): Likewise.
5570 (pushqi, pushhi): Likewise.
5571 (movdi, pushdi): Likewise.
5572 (zero extend DImode splitter): Likewise.
5573 (adddi, minusdi splitter): Likewise.
5574 (umulsidi): Likewise.
5576 (mulsidi): Disable for 64bit
5577 (lshift:DI/ashift:DI): Disable for 64bit.
5578 (loop patterns): Likewise.
5579 (call_pop, call_value_pop expanders and patterns): Likewise.
5580 (prologue_get_pc): Likewise.
5582 (fcmovDI pattern and splitter): Likewise.
5583 (movdfcc_1_rex64): New.
5585 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5587 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5588 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5589 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5590 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5591 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5592 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5593 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5594 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5595 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5596 (REGPARM_MAX): Set to 6 for x86_64.
5597 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5598 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5601 * (patterns that does use upper halves): Update constraints
5602 'q' to 'Q' and 'r' to 'R'.
5603 (cmpqi_ext_1): Disable for 64bit.
5604 (cmpqi_ext_3_insn): Likewise.
5605 (movqi_extzv_1): Likewsie.
5606 (addqi_ext_1): Liekwsie
5607 (testqi_ext_1): Liekwsie
5608 (andqi_ext_1): Liekwsie
5609 (xorqi_ext_1): Liekwsie
5610 (cmpqi_ext_1_rex64): New.
5611 (cmpqi_ext_3_insn_rex64): Likewise.
5612 (movqi_extzv_1_rex64): Likewsie.
5613 (addqi_ext_1_rex64): Liekwsie
5614 (testqi_ext_1_rex64): Liekwsie
5615 (andqi_ext_1_rex64): Liekwsie
5616 (xorqi_ext_1_rex64): Liekwsie
5618 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5620 * configure.in: Move check for unsigned enumerated bitfields
5621 to macro in aclocal.m4. Disable it for now.
5622 * configure, config.in: Regenerate.
5623 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5624 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5625 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5626 kind above its first use.
5628 * config/xm-interix.h, config/alpha/xm-alpha.h,
5629 config/i370/xm-linux.h, config/i386/xm-beos.h,
5630 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5631 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5632 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5633 Don't define ONLY_INT_FIELDS under any circumstances.
5635 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5637 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5638 config/sparc/xm-sysv4.h: Delete - now identical with some
5640 * config.gcc (hppa targets): Replace xm-pahpux.h and
5641 xm-papro.h with implicit xm-pa.h.
5642 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5645 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5647 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5648 before reload_cse_noop_set_p.
5650 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5652 * config.gcc: Where xm-host.h used to include another
5653 xm-host.h, list the nested header directly in xm_file. Remove
5654 references to deleted files. Can now use sparc/xm-sp64.h for
5657 * config/xm-linux.h, config/arm/xm-linux.h,
5658 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5659 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5660 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5661 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5662 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5665 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5666 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5667 bother to wrap #undef in #ifdef.
5668 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5669 Don't include xm-linux.h.
5670 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5672 * configure.in: Wrap regexps using [] in changequote block.
5673 Use expr : not echo | grep. Simplify regexps.
5674 * configure: Regenerate.
5676 56 xm-files remain, 22 xm-arch.
5678 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5680 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5681 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5682 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5683 (copy_object): Fix format specifier vs argument mismatch.
5685 * mips-tdump.c: Make local functions static.
5686 (rindex): Don't #undef.
5687 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5688 (fatal, fancy_abort): Delete.
5689 (read_seek): Avoid signed/unsigned compare.
5691 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5693 * combine.c (try_combine): Fix error in change to try original
5695 (gen_rtx_combine): Do same as gen_rtx for now.
5697 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5699 * configure.in: AC_SUBST xm_defines.
5700 * configure: Regenerate.
5701 * Makefile.in: Set DEFINES=$(xm_defines) when building
5704 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5706 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5707 (cpp_included, find_include_file): Update.
5708 (_cpp_compare_file_date): Make else unconditional.
5710 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5712 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5714 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5716 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5717 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5719 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5721 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5722 if it's a record type.
5724 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5726 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5727 mingw includes slightly.
5729 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5731 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5732 #undef token before poisoning it.
5734 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5736 * alpha.c (check_float_value): Use memcpy, not bcopy.
5738 * m32r.c (m32r_sched_reorder): Likewise.
5740 * vax.c (check_float_value): Likewise.
5742 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5744 * toplev.c (file_name_nondirectory): Remove.
5745 * toplev.h: Similarly.
5746 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5747 of file_name_nondirectory.
5749 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5751 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5752 * mips-tfile.c: Don't #undef rindex; not used.
5754 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5756 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5757 (dbx64_register_map): Declare.
5758 (RETURN_ADDR_RTX): Fix for 64bit.
5759 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5760 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5761 * i386.c (dbx64_register_map): New global array.
5762 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5763 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5766 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5768 * cppfiles.c (search_from): Use lbasename.
5769 * mkdeps.c (deps_add_default_target): Use lbasename.
5771 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5773 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5774 xcalloc in lieu of malloc, realloc & calloc.
5776 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5778 * gengenrtl.c (xmalloc): Likewise.
5780 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5781 really_call_* memory allocation routines.
5783 * stmt.c (check_for_full_enumeration_handling): Use
5784 really_call_calloc, not calloc.
5786 * system.h (really_call_malloc, really_call_calloc,
5787 really_call_realloc): Define.
5788 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5790 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5792 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5794 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5796 * configure: Rebuilt.
5797 * configure.in: Only use `lang_requires' for languages athat are
5800 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5802 * invoke.texi: Fix typo.
5803 * gcc.1: Regenerate.
5805 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5807 * configure.in: Prune nonexistent files from build_xm_file,
5808 xm_file, and host_xm_file lists. Warn unless they're
5810 Don't generate *config.h here.
5811 AC_SUBST all variables needed to generate *config.h.
5812 * configure: Regenerate.
5813 * mkconfig.sh: New helper script, from code removed from
5815 * Makefile.in: Zap all MALLOC variables - no longer used
5816 anywhere, and malloc.c doesn't exist.
5817 Substitute in variables needed to generate *config.h.
5818 Stop lying about the dependencies contained in CONFIG_H and
5820 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5821 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5822 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5823 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5824 $(TM_P_H), etc. as appropriate.
5826 * config.gcc: Zap references to deleted files.
5827 * ggc-none.c: Don't include rtl.h or tm_p.h.
5829 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5830 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5831 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5832 config/i386/xm-linux.h, config/i386/xm-linux.h,
5833 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5834 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5835 Don't include i386/xm-i386.h.
5837 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5838 config/i386/xm-i386.h, config/i860/xm-i860.h,
5839 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5840 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5841 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5842 Delete (empty except comments, #includes of other deleted
5843 files, and macros used nowhere).
5845 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5847 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5848 independent on TARGET_FLAGS.
5850 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5852 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5854 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5856 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5858 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5859 LAST_REX_SSE_REG): define.
5860 (enum reg_class): Add 'LEGACY_REGS'
5861 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5862 (SSE_REGNO_P): Recognize extended registers.
5863 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5864 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5865 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5866 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5867 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5868 REG_OK_FOR_STRREG_P): Remove.
5869 (HI_REGISTER_NAMES): Add extended registers.
5870 (ADDITIONAL_REGISTER_NAMES): Likewise.
5871 (QI_REGISTER_NAMES): Add 8bit extended registers.
5872 (DEBUG_REG): Support extended registers.
5873 * i386.c (regclass_map): Add extended registers.
5874 (dbx_register-map): Likewise.
5875 (svr4_dbx_register_map): Likewise.
5876 (print_reg): Support extended registers.
5877 (print_operand): Support 64bit operands.
5879 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5881 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5882 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5883 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5884 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5885 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5886 STACK_BOUNDARY): Set properly for 64bits.
5887 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5888 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5889 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5890 (MOVE_MAX): Set to 16.
5891 (MOVE_MAX_PIECES): 8 for 64bit.
5892 (Pmode): Set to SImode.
5894 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5896 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5898 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
5900 * i386.h (mask_64bit): New constant.
5901 (target_64bit): New macro.
5902 (target_options): Add '64'/'32'
5903 (target_default): Define.
5904 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5905 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5906 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5908 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5910 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5912 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5914 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5915 LO_SUM unless for_alias is set.
5917 2001-03-08 Stan Shebs <shebs@apple.com>
5919 * objc/objc-act.c: Fix old typos in comments, add comments for
5921 (hash_init): Fix file name in error message.
5922 (hash_enter): Ditto.
5923 (hash_add_attr): Ditto.
5924 (continue_class): Ditto.
5926 2001-03-08 Bruce Korb <bkorb@gnu.org>
5928 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
5929 wait4() can receive the signal.
5931 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5933 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5935 * fixinc/fixincl.x: Regenerate.
5937 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5939 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
5941 * fixinc/fixincl.x: Regenerate.
5943 2001-03-08 Richard Henderson <rth@redhat.com>
5945 * configure.in (HAVE_AS_LEB128): New assembler check.
5946 * configure, config.in: Rebuilt.
5948 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
5950 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
5953 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5955 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
5956 references to the MAXPATHLEN macro.
5958 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
5959 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
5962 * config/i386/xm-gnu.h, config/xm-gnu.h,
5963 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
5964 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
5965 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
5966 and/or unused files.
5968 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
5969 doing so in various xm-*.h files.
5971 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5973 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5975 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
5977 * configure.in (enable_shared): Support per-package shared-library
5979 * configure: Rebuilt.
5981 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5983 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5984 for crnot. Set operands[5] in splitter.
5986 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5988 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5989 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5990 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5991 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5992 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5993 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5994 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5997 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5998 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5999 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
6000 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
6001 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
6002 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
6003 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
6004 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
6005 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
6006 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
6007 Delete unused and/or empty files.
6009 * config.gcc: Define USG in xm_defines as appropriate. Define
6010 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
6011 macro. Remove deleted xm-* files from $xm_files variable.
6013 2001-03-07 Tom Tromey <tromey@redhat.com>
6015 * configure: Rebuilt.
6016 * configure.in: Allow config-lang.in to set `lang_requires' to list
6017 of other required languages.
6019 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
6021 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
6023 (output_prologue): Use xmalloc not oballoc.
6024 (output_epilog): Free a29k_first_epilogue_insn when finished.
6025 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
6027 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
6029 * builtins.c (expand_builtin_mathfn): Check
6030 flag_unsafe_math_optimizations, not flag_fast_math.
6031 (expand_builtin): Likewise
6032 * combine.c (combine_simplify_rtx): Likewise.
6033 (simplify_if_then_else): Likewise.
6034 * cse.c (fold_rtx): Likewise.
6035 * flags.h: Remove flag_fast_math. Add
6036 flag_unsafe_math_optimizations and flag_trapping_math.
6037 * fold-const.c (negate_expr): Check
6038 flag_unsafe_math_optimizations, not flag_fast_math.
6039 (invert_truthvalue): Likewise.
6040 (fold): Likewise. Before associating operands, check that
6041 code == MULT_EXPR, not code != MULT_EXPR.
6042 * ifcvt.c (noce_try_minmax): Check
6043 flag_unsafe_math_optimizations, not flag_fast_math.
6044 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
6045 * invoke.texi: Document -funsafe-math-optimizations and
6046 -fno-trapping-math. Change documentation for -ffast-math.
6047 * jump.c (reversed_comparison_code_parts): Likewise.
6048 (rtx_equal_for_thread_p): Likewise.
6049 * optabs.c (emit_conditional_move): Likewise.
6050 * simplify-rtx.c (simplify_binary_operation): Likewise.
6051 (simplify_relational_operation): Likewise.
6052 (simplify_ternary_operation): Likewise.
6053 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
6054 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
6055 Add trapping-math and unsafe-math-optimizations entries to f_options.
6056 (set_fast_math_flags): New, sets flags for -ffast-math.
6057 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
6058 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
6059 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
6061 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6062 (alpha_emit_conditional_move): Initialize local_fast_math to
6063 flag_unsafe_math_optimizations, not flat_fast_math.
6064 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6065 instead of setting flag_fast_math to 1.
6066 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6068 * config/i386/i386.c (override_options): Likewise
6069 * config/i386/i386.md: Likewise.
6070 * config/m68k/m68k.md: Likewise.
6071 * config/mips/mips.md: Likewise.
6072 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6073 (rs6000_generate_compare): Likewise.
6075 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6077 * Makefile.in: Set RANLIB to @RANLIB@.
6080 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6082 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6083 * fixinc/fixincl.x: Regenerated.
6085 2001-03-07 Richard Henderson <rth@redhat.com>
6087 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6089 2001-03-07 Richard Henderson <rth@redhat.com>
6091 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6092 of block notes and exception handling notes.
6094 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6095 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6096 (compile_file): ... here.
6098 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6100 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6102 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6103 config.h now. Include libiberty.h to handle alloca.
6105 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6107 * c-parse.in (yylexname): New function, split out of _yylex.
6108 (objc_rid_sans_at): New table.
6109 (init_reswords): Initialize it.
6110 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6111 retrieving the next token and checking it for significance as
6112 an ObjC keyword or string constant.
6114 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6115 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6117 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6120 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6122 * config/m68k/m68k.c (const_uint32_operand): Accept any
6123 const_int on a 32-bit host.
6125 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6127 * objc/objc-act.c (init_objc): Set save_lang_status,
6128 restore_lang_status, and mark_lang_status.
6130 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6132 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6134 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6136 * cppinternals.texi: Update.
6138 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6140 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6141 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6142 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6143 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6144 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6145 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6146 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6147 config/i386/xm-i386.h, config/i860/xm-i860.h,
6148 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6149 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6150 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6151 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6152 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6153 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6154 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6155 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6156 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6157 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6158 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6159 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6160 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6161 match the defaults provided in hwint.h.
6163 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6164 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6166 * config.gcc (xm_file): Don't set to files which are deleted.
6168 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6169 guard this file against these macros being undefined.
6171 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6173 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6174 and DECL_DEFER_OUTPUT on the decl we create, before calling
6175 rest_of_decl_compilation.
6177 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6179 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6181 * configure, config.in: Regenerate.
6182 * config.gcc: Remove references to deleted files.
6184 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6185 genrecog.c, rtl.c: Do not use alloca anywhere.
6187 * Makefile.in, build-make, system.h, config/x-interix,
6188 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6189 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6190 config/arc/xm-arc.h, config/arm/xm-arm.h,
6191 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6192 config/h8300/xm-h8300.h, config/i370/x-oe,
6193 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6194 config/i386/x-ncr3000, config/i386/x-sco5,
6195 config/i386/xm-dgux.h, config/i860/x-sysv4,
6196 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6197 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6198 config/m68k/x-hp320g, config/m69k/x-mot3300,
6199 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6200 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6201 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6202 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6203 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6204 config/mips/x-iris, config/mips/x-iris3,
6205 config/mips/x-sni-svr4, config/mips/x-sysv,
6206 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6207 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6208 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6209 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6210 config/pa/xm-papro.h, config/romp/xm-romp.h,
6211 config/rs6000/x-aix31, config/rs6000/x-aix41,
6212 config/rs6000/x-beos, config/rs6000/x-lynx,
6213 config/rs6000/x-mach, config/rs6000/x-rs6000,
6214 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6215 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6216 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6217 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6218 config/vax/xm-vms.h: Eradicate all references to alloca and
6221 * config/xm-alloca.h, config/clipper/x-clix,
6222 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6223 config/i860/x-sysv3, config/m88k/x-sysv3,
6224 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6225 (contained only alloca related hacks).
6227 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6230 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6232 * invoke.texi: Document __FAST_MATH__.
6234 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6236 * crtstuff.c: Restore include of auto-host.h.
6238 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6240 Put main() in a separate file, so that the language
6241 front-end can use a different main().
6244 * toplev.c: (main): Rename as toplev_main.
6245 * toplev.h: Declare toplev_main.
6246 * Makefile.in (OBJS): add toplev.o.
6247 (BACKEND): remove toplev.o, add main.o.
6249 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6251 * cppfiles.c (search_from): Special case the empty string.
6253 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6255 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6256 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6257 strlen or strcpy; we already know the length.
6258 (_cpp_compare_file_date): Similarly.
6259 * cpphash.h (struct cpp_reader): Delete done_initialising.
6260 (CPP_PREV_BUFFER): Delete.
6261 * cppinit.c (cpp_start_read): Don't set done_initialising.
6262 * cpplex.c (parse_string): Guarantee null-termination.
6263 (_cpp_equiv_toklists): Remove.
6264 * cpplib.c (glue_header_name): Null-terminate.
6265 (do_line): Don't leak memory.
6266 * cpplib.h (BT_WEAK): Delete.
6267 * cppmain.c (cb_ident): Strings are now null-terminated.
6269 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6271 * gcc.c (convert_filename): Append executable suffix
6272 if NO_AUTO_EXE_SUFFIX is not defined.
6273 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6274 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6276 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6278 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6279 * c-parse.gperf, c-gperf.h: Delete.
6280 (c-gperf.h was accidently re-added to the CVS repo in the rev
6281 1.16 commit by tromey)
6283 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6285 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6286 macro arguments when looking for the '('.
6287 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6288 2 when really parsing arguments; 1 when looking for '('.
6289 Always restore the lexer position.
6291 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6293 * longlong.h (umul_ppmm): Don't use a multiline string.
6295 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6297 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6298 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6299 t_bool in declaration because pcc can't combine volatile with typedef
6302 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6304 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6305 until when it is really needed.
6306 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6307 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6308 * i386.md (float?i?f splitter): Don't force source operand to memory
6310 (sse_movdfcc): Fix constraint.
6311 (sse_movdfcc splitter): Handle properly the second alternative.
6313 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6315 * cpplex.c (parse_string): Unconditionally pedwarn.
6317 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6320 * cppexp.c (parse_number): Update.
6321 * cpplex.c (parse_string): Pedwarn if multiline string does not
6322 result from a system header's macro.
6323 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6324 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6325 for function-like macros too.
6326 * c-lex.c (lex_number): Update.
6328 2001-03-03 Richard Henderson <rth@redhat.com>
6330 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6332 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6334 * combine.c (try_combine): If split with mode-changed scratch
6335 register didn't work, try the original mode.
6337 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6339 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6340 * config/c4x/c4x.h: Likewise.
6341 * stor-layout.c (compute_record_mode): Likewise.
6342 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6344 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6346 * configure.in: Kill tm.h. Include the files in the $tm_file
6347 list in all three of config.h, hconfig.h, tconfig.h, after the
6348 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6349 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6350 * configure: Regenerate.
6351 * Makefile.in (clean): Don't delete tm.h.
6353 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6354 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6355 those are not defined, set SEC and FEC to 0 and 1.
6356 * gcc.texi: Update to match.
6358 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6359 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6360 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6361 Include tconfig.h, not tm.h.
6363 * config/xm-lynx.h, config/xm-std32.h,
6364 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6365 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6366 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6367 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6368 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6369 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6370 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6371 config/i386/xm-i386.h, config/i860/xm-i860.h,
6372 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6373 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6374 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6375 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6376 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6377 config/pa/xm-linux.h, config/pa/xm-pa.h,
6378 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6379 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6380 config/pj/xm-pj.h, config/romp/xm-romp.h,
6381 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6382 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6383 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6384 config/v850/xm-v850.h, config/vax/xm-vax.h,
6385 config/we32k/xm-we32k.h:
6387 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6389 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6390 config/i370/xm-oe.h: Don't include tm.h. Don't define
6392 * config/vax/xm-vms.h: Don't include tm.h.
6394 * config/xm-lynx.h, config/avr/xm-avr.h,
6395 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6396 Delete; made empty by above changes.
6397 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6398 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6399 Don't include config/xm-lynx.h or tm.h.
6401 * config/xm-gnu.h: Don't include fcntl.h.
6402 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6404 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6406 2001-03-02 Richard Henderson <rth@redhat.com>
6408 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6409 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6411 2001-03-02 Richard Henderson <rth@redhat.com>
6413 * Makefile.in (OBJS): Add dwarf2asm.o.
6414 * dwarf2asm.c, dwarf2asm.h: New files.
6415 * dwarf2out.c (*): Use them.
6416 (size_of_uleb128, size_of_sleb128): Remove.
6417 (output_uleb128, output_sleb128): Remove.
6418 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6419 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6420 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6421 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6422 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6423 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6424 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6425 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6426 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6427 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6428 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6429 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6430 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6431 (dwarf2out_frame_debug): Remove unused variables.
6432 (output_loc_operands): Don't abort on 8 byte constants if
6433 host integers are wide enough.
6434 (output_symbolic_ref): Remove.
6435 (size_of_die): Don't assume 4 byte host integers.
6436 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6438 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6439 something stupid with HOST_WIDE_INT to long truncation.
6440 [CONST_DOUBLE]: Likewise.
6442 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6443 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6444 * config/arm/unknown-elf.h: Likewise.
6445 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6446 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6447 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6448 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6449 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6450 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6451 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6452 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6453 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6454 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6455 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6456 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6458 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6460 * cselib.c (hash_rtx): Cast enums to unsigned int.
6462 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6464 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6465 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6467 * c-format.c (C_STD_VER): Cast to int for comparisons.
6468 (check_function_format): Cast various enums to int for &.
6469 (maybe_read_dollar_number): Likewise.
6470 (check_format_info): Likewise.
6471 (check_format_info_main): Likewise.
6472 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6473 (safe_from_p): Likewise.
6474 * varasm.c (const_hash): Cast enum to int for %.
6475 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6476 pcc enum problems with < and ++ operators.
6477 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6478 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6479 (regclass_init): Change enum class to int to iterate over reg_classes.
6480 * genrecog.c (merge_trees): Cast enums for comparison.
6481 * rtl.h (GET_CODE): Cast to enum rtx_code.
6482 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6483 (GET_MODE): Cast to enum machine_mode.
6484 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6485 (GET_NOTE_INSN_NAME): Cast enum to int.
6486 * tree.h (TREE_CODE): Cast to enum tree_code.
6487 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6488 * timevar.c (timevar_print): Change loop variable id from enum to
6490 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6491 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6492 * toplev.c (compile_file): Cast enum DFI to int.
6493 (decode_d_option): Likewise.
6495 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6497 * cppinit.c (append_include_chain): Mark "after" include file name list
6498 as a system directory.
6499 * cpp.texi: Document new behavior.
6501 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6503 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6505 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6507 * cppfiles.c (struct include_file): Update.
6508 (stack_include_file): Use search_from.
6509 (cpp_included, find_include_file): Update.
6510 (cpp_execute_include): Update. ptr->name may not be
6511 null terminated. Use the new search_from member variable
6513 (_cpp_compare_file_date): Similarly.
6514 (search_from): New function, similiar to actual_directory.
6515 (actual_directory): Delete.
6516 (remap_filename): Update. loc->name may not be null terminated.
6517 (struct file_name_list): Rename search_path. Update.
6518 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6519 search_from and dir.
6520 (struct cpp_reader): Remove actual_dirs.
6521 * cppinit.c (struct cpp_pending): Update for renamed objects.
6522 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6523 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6524 * cpplib.h (struct cpp_options): Similarly.
6526 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6528 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6529 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6530 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6531 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6532 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6533 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6534 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6535 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6536 config/i370/xm-oe.h, config/i386/xm-aix.h,
6537 config/i386/xm-i386.h, config/i386/xm-osf.h,
6538 config/i860/xm-i860.h, config/i960/xm-i960.h,
6539 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6540 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6541 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6542 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6543 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6544 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6545 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6546 config/pj/xm-pj.h, config/romp/xm-romp.h,
6547 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6548 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6549 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6550 config/v850/xm-v850.h, config/vax/xm-vax.h,
6551 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6552 Do not define TRUE or FALSE.
6554 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6555 empty by above change.
6556 * config.gcc: Remove references to these files.
6558 * configure.in: Detect stdbool.h.
6559 * configure, config.in: Regenerate.
6560 * system.h: Include stddef.h here if available.
6561 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6562 Then set up a sensible boolean type at the very end.
6564 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6565 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6567 * hash.h: Delete 'boolean' typedef and related #undefs.
6569 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6570 all uses of 'boolean' with 'bool'.
6572 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6574 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6575 * cppexp.c (lex): Cast enums for comparison.
6576 * cppinit.c (parse_option): Cast enum for comparison.
6577 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6578 (cpp_output_token): Likewise.
6579 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6580 (cpp_avoid_paste): Cast enums for minus and comparison.
6582 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6584 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6585 field to all array elements.
6587 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6589 * cpphash.h (struct cpp_reader): Add print_version field.
6590 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6591 just set print_version and other flags as appropriate.
6592 (cpp_post_options): Print version here if print_version is set.
6594 * toplev.c (exit_after_options): New flag.
6595 (independent_decode_option): Don't exit here; just set
6597 (main): Exit after calling lang_hooks.post_options if
6598 exit_after_options is true.
6600 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6601 (merge_include_chains): Adjust comment to match code.
6603 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6605 * stringpool.c (set_identifier): New function.
6606 * tree.h: Prototype it.
6608 * c-parse.in: Kill D_YES. If compiled for objc, call
6609 save_and_forget_protocol_qualifiers from init_reswords.
6610 * objc/objc-act.c (remember_protocol_qualifiers,
6611 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6612 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6614 (save_and_forget_protocol_qualifiers): New function.
6615 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6617 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6619 * c-semantics.c (prune_unused_decls): Return error_mark_node
6620 instead of (tree) 1 to stop traversing the tree chain.
6622 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6624 Fix a problem introduced by Kenner's Feb 18 change.
6625 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6626 flag_cse_skip_blocks only temporarily, not for ever.
6628 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6630 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6631 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6633 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6634 before determining its register class.
6636 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6638 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6639 from reg 4 if current_function_calls_setjmp.
6640 (gen_nop_type): New function.
6641 (ia64_emit_nops): New function.
6642 (ia64_reorg): Call it.
6643 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6645 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6646 code not to try to optimize adds with anything but a REG destination.
6648 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6649 (INSN_PRIORITY_KNOWN): New accessor macro.
6650 * haifa-sched.c (priority): Use it instead of testing priority against
6653 2001-02-28 DJ Delorie <dj@redhat.com>
6655 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6656 since that doesn't work the way gcc wants on a generic m68k.
6658 2001-02-28 Richard Henderson <rth@redhat.com>
6660 * caller-save.c (save_call_clobbered_regs): Fix typo in
6661 comparison last change.
6663 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6665 * i386.c (pentium4_cost): New.
6666 (m_PENT4): New macro.
6667 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6668 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6669 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6670 x86_memory_mismatch_stall): Add Pentium4
6671 (x86_use_q_reg, x86_use_any_reg): Kill.
6672 (override_options): Add pentium4.
6673 (incdec_operand): Return 0 for pentium4.
6674 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6675 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6676 (TARGET_PENTIUM4): Define.
6677 (enum processor_type): Add PROCESSOR_PENTIUM4.
6678 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6679 * i386.md (attribute "cpu"): Add pentium4.
6680 * invoke.texi (march): Add pentium4.
6682 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6684 * i386.md (sse_mov?fcc*): New patterns and splitters.
6685 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6686 the SSE based conditional moves.
6688 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6690 * i386.md (attribute mode): Add "TI".
6691 (movsf_1): Add pxor support; remove constant propagation splitter.
6692 (movdf_integer): Likewise.
6693 (movdf_nointeger): Likewise.
6694 (movxf constant prop splitter): Handle all modes; update for SSE.
6695 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6696 * i386.c (standard_80387_constant_p): Rewrite.
6697 (standard_sse_constant_p): New.
6698 * i386-protos.h (standard_sse_constant_p): New.
6700 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6702 * i386.md (sse_setccsf, sse_setccdf): New.
6703 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6705 * i386.c (sse_comparison_operator): Accept the supported unordered
6706 comparses; be ready for fast_math.
6707 (print_operand): Support 'D'.
6709 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6711 * jump.c (reversed_comparison_code): Kill.
6713 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6715 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6718 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6720 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6721 add missing '%' in constraints.
6723 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6725 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6726 for HOST_BITS_PER_WIDE_INT == 32 too.
6728 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6730 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6732 (insert_save, insert_restore): New parameter save_mode.
6733 (init_caller_save): Update initialization of reg_save_code
6734 and reg_restore_code.
6735 (save_call_clobbered_regs): Compute save_modes and update calls to
6736 reg_save_code and reg_restore_code.
6737 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6738 of spill; update use of reg_restore_code.
6739 (insert_save): Likewise.
6740 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6741 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6742 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6744 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6746 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6747 noce_try_store_flag_inc, noce_try_store_flag_mask,
6748 noce_try_cmove_arith):
6749 Use reversed_comparison_code instead of reverse_comparison and
6750 can_reverse_comparison_p.
6752 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6754 * jump.c (reversed_comparison_code_parts): Allow reversal of
6755 unordered compares in -ffast-math mode; reverse ordered compares
6756 for FP even w/o -ffast-math.
6758 2001-02-27 Richard Henderson <rth@redhat.com>
6760 * print-rtl.c (print_rtx) [i]: Don't print field five on
6761 NOTEs other than NOTE_INSN_DELETED_LABEL.
6763 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6765 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6766 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6768 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6770 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6771 even if walk_subtrees is 0.
6772 * c-semantics.c (prune_unused_decls): Return a non-null value to
6773 stop traversing the tree chain.
6775 2001-02-27 DJ Delorie <dj@redhat.com>
6777 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6778 register, *then* define it as the new CFA.
6780 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6782 * pa.c (override_options): Promote -fpic to -fPIC.
6783 (legitimize_pic_address): Simplify due to removal of
6784 small PIC as a code generation option.
6785 (secondary_reload_class): Similarly.
6786 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6787 (PRINT_OPERAND_ADDRESS): Similarly.
6788 * pa.md (various patterns): Similarly.
6789 (small pic lo_sum pattern): Remove.
6791 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6794 * md.texi (min, max): Document
6796 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6798 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6799 TARGET_PARTIAL_REG_DEPENDENCY.
6800 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6802 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6804 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6806 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6808 * mips.c (mips_make_temp_file): Fix thinko in last change.
6810 2001-02-26 Jason Eckhardt <jle@redhat.com>
6812 * combine.c (known_cond): Do not reverse the condition when
6813 SMAX/UMAX is being considered and the condition is for equality
6816 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6818 2001-02-26 Philip Blundell <philb@gnu.org>
6820 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6822 * config/arm/linux-elf.h: Remove historical relics related to
6823 above configurations.
6824 * config/arm/linux-oldld.h: Delete.
6825 * config/arm/linux-elf26.h: Delete.
6827 2001-02-26 Jason Merrill <jason@redhat.com>
6829 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6831 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6832 recognize a tentative definition. Lose obsolete code.
6834 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6835 variables unless necessary, either.
6837 2001-02-25 Richard Henderson <rth@redhat.com>
6839 * ifcvt.c (struct noce_if_info): Add test_bb.
6840 (noce_get_alt_condition): New.
6841 (noce_try_minmax, noce_try_abs): New.
6842 (noce_operand_ok): New.
6843 (noce_process_if_block): Use them.
6844 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6846 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6848 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6851 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6853 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6854 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6856 (mips_asm_file_end): Free temp_filename here.
6858 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6860 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6861 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6863 * config/i386/i386.md (movstrsi): Handle FAIL case.
6865 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6867 * cppinit.c (builtin_array): Update.
6868 (init_builtins): Flag builtins to warn if redefined or
6869 undefined. Define __GXX_WEAK as a normal macro.
6870 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6871 * cpplib.h (NODE_WARN): New flag.
6872 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6873 Handle __STDC__ as a builtin only on Solaris.
6874 (warn_of_redefinition): Renamed from check_macro_definition.
6875 Reverse sense of test. Always warn if NODE_WARN.
6876 (_cpp_create_definition): Use warn_of_redefinition. Flag
6877 any macro beginning with "__STDC_" to require a mandatory
6878 warning if redefined or undefined.
6880 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6882 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6883 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6884 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6885 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6886 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6887 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6888 Don't define any of:
6889 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6890 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6891 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6892 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6893 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6895 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6896 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
6899 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
6900 Delete now-empty file.
6902 * alpha/vms.h: Define NEED_ATEXIT here...
6903 * alpha/xm-vms.h: ...not here.
6905 * i386/cygwin.h: Don't define PARAMS.
6906 * mips/mips.c: Don't prototype mktemp. Don't define
6907 P_tmpdir. Use make_temp_file to create temporary files.
6908 Don't be clever and delete temporary files early.
6909 * config.gcc: Drop references to deleted files. Don't define
6911 * gcc.texi: Don't mention USE_PROTOTYPES.
6913 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6915 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
6916 (ix86_set_move_mem_attrs_1): Likewise.
6917 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
6918 * config/i386/i386.md (movstrsi): Call it.
6920 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6922 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
6923 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
6924 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6925 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
6927 (i750a-*-*): Error here if hosting on i750a.
6928 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
6930 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
6931 Remove (empty modulo comments).
6933 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
6934 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
6935 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
6936 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
6937 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
6938 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
6940 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
6941 Remove reference to winnt.h in comment.
6942 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
6944 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6946 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
6947 used to set another biv.
6949 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6951 * tree.h (BLOCK_DEAD): New macro.
6952 (struct tree_block): New flag, dead_flag.
6953 * print-tree.c (print_node, case 'b'): Print missing fields.
6954 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
6955 * function.c (identify_blocks): Enable test for misplaced notes.
6956 (all_blocks): Skip BLOCK_DEAD blocks.
6957 * integrate.c (integrate_decl_tree): Likewise.
6959 * errors.c (internal_error, trim_filename): New functions.
6960 (fancy_abort): Call internal_error.
6961 * errors.h (internal_error, trim_filename): New declarations.
6963 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
6965 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
6967 (EXTRA_CONSTRAINT): Formatting changes.
6969 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6971 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6973 2001-02-23 Per Bothner <per@bothner.com>
6975 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6976 so they can be called from java/jvspec.c.
6977 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6979 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6981 * i386.c (ix86_frame): New structure.
6982 (ix86_compute_frame_size): Kill.
6983 (ix86_compute_frame_layout): New.
6984 (ix86_save_reg): New.
6985 (ix86_can_use_return_insn_p): Use frame layout stuff.
6986 (ix86_expand_prologue): Likewise.
6987 (ix86_expand_epilogue): Likewise.
6988 (ix86_initial_elimination_offset): Likewise.
6989 (ix86_nsaved_regs): Use ix86_save_reg.
6990 (ix86_emit_save_regs): Likewise.
6992 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6994 * flow.c (find_sub_basic_blocks): New function.
6995 (split_block): Be ready for basic block introduced by CODE_LABEL.
6996 (commit_one_edge_insertion): Call find_sub_basic_block.
6998 * flow.c (make_edges): Add edge from entry for blocks starting with
6999 label having ALTERNATE_NAME
7001 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
7003 * function.c (epilogue_done): Be ready for first basic block not
7004 containing PROLOGUE_END note.
7005 (reposition_prologue_and_epilogue_notes): Avoid placing
7006 PROLOGUE_END note between BASIC_BLOCK.
7008 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
7010 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
7012 2001-02-21 DJ Delorie <dj@redhat.com>
7014 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
7015 check for current_function_has_nonlocal_goto from 1999-11-12.
7017 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7019 * diagnostic.c (trim_filename): No longer static.
7020 * toplev.h (trim_filename): Declare.
7021 * rtl.c (rtl_check_failed_bounds): Call internal_error.
7022 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
7023 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
7024 (rtvec_check_failed_bounds): Likewise.
7025 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
7027 * convert.c (convert_to_integer): Don't do unsigned unless result or
7028 both inputs are unsigned.
7030 * fold-const.c (fold_convert): Don't call size_int_type_wide if
7033 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
7035 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
7037 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
7039 * Makefile.in (resource.o): Add params.h dependence.
7040 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
7041 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
7042 * resource.c: Add dependence on params.h.
7043 (current_live_regs): Fix explanatory comment.
7044 (find_basic_block): Add new parameter to permit limiting search
7046 (mark_target_live_regs): Add new argument to find_basic_block call.
7047 (incr_ticks_for_insn): Likewise.
7049 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
7051 * diagnostic.c (output_to_stream): Rename to
7052 output_buffer_to_stream. Loses the stream parameter.
7053 (init_output_buffer): Set diagnosic_buffer's stream.
7054 (flush_diagnostic_buffer): Adjust.
7055 (default_print_error_function): Likewise.
7056 (finish_diagnostic): Likewise.
7057 (verbatim): Likewise.
7059 * diagnostic.h (struct output_buffer): Add `stream' field.
7060 (output_buffer_attached_stream): New macro.
7062 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7064 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7065 check if either operand is divisible by C.
7066 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7067 If type is signed, consider negative numbers as well.
7069 2001-02-22 Richard Henderson <rth@redhat.com>
7071 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7072 reach .text instead of gp-relative relocs.
7073 * config/ia64/crtend.asm (.init): Likewise.
7075 2001-02-22 Andreas Jaeger <aj@suse.de>
7077 * extend.texi (C++ Attributes): Fix typo.
7079 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7081 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7082 functions, drop current_function_args_info.words test.
7083 (ia64_compute_frame_size): Mark syscall_linkage functions as
7084 using eight input registers.
7086 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7087 Bruce Korb <bkorb@gnu.org>
7089 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7090 * fixinc/README: Document how to convert sed substitutions
7091 to format style c_fix-es.
7092 * fixinc/fixincl.x: regen
7094 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7096 * gcc.c: Add comment explaining how to add a command-line option.
7097 Add title to specs language comment.
7099 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7101 * gcc.c (cc1_options): Add "-param".
7102 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7103 (option_map): Likewise.
7104 * toplev.c (display_help): Add entry for "--param".
7105 (independent_decode_option): Fix typographical error.
7107 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7108 Bernd Schmidt <bernds@redhat.com>
7109 Jan Hubicka <jh@suse.cz>
7111 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7112 (function_arg): Likewise.
7114 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7116 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7118 2001-02-21 Kazu Hirata <kazu@hxi.com>
7120 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7124 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7126 * flow.c (init_propagate_block_info): Canon address and use single_set
7127 for killing dead memory stores.
7129 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7131 * Makefile.in (reorg.o): Add params.h dependence.
7132 * params.def: Fix typographical error in comment.
7133 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7134 * params.h: Modify introductory comment.
7135 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7136 * reorg.c: Add dependence on params.h.
7137 (redundant_insn): Add parameterized throttle for search.
7138 (fill_simple_delay_slots): Add a comment explaining a variable.
7139 Move conditional out of loop, simplifying code.
7140 (fill_eager_delay_slots): Fix typographical error in comment.
7142 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7144 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7146 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7147 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7149 2001-02-21 Jason Merrill <jason@redhat.com>
7151 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7152 (struct tree_decl): Add uninlinable bitfield.
7153 * c-decl.c (duplicate_decls): Set it.
7154 * integrate.c (function_cannot_inline_p): Check it.
7156 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7157 DW_AT_MIPS_linkage_name to abstract methods.
7158 (dwarf2out_abstract_function): Emit class context before calling
7159 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7160 (gen_subprogram_die): Remove obsolete code.
7161 (gen_member_die): Don't include clones in the member list.
7162 (gen_decl_die): Emit abstract info for clone origin.
7163 * dwarfout.c (output_type): Don't include clones in the member list.
7164 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7165 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7166 DECL_ABSTRACT on a function that already has it set.
7168 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7169 (get_subprogram_die): Pass it in.
7171 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7173 * flow.c (mark_set_1): Make not_dead unsigned long. For
7174 non-pseudos, use it as a bitmask of the hard regs that
7177 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7179 * cppfiles.c: Update comments.
7180 (_cpp_read_file): Don't check for NULL filenames any more.
7181 * cppinit.c (cpp_start_read): Don't do canonicalization of
7182 in_fname and out_fname. Use the passed file name exclusively.
7183 (_cpp_handle_options): Don't treat "-" as a command line option,
7184 but as a normal filename.
7185 (_cpp_post_options): Canonicalize in_fname and out_fname.
7186 * cppmain.c (printer_init): Don't check out_fname for NULL.
7187 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7188 (init_c_lex): Update, and use "" to represent stdin to CPP.
7191 2001-02-20 Will Cohen <wcohen@redhat.com>
7193 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7194 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7195 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7198 2001-02-20 Stan Shebs <shebs@apple.com>
7200 * config/rs6000/rs6000.c (output_cbranch): Output branches
7201 on separate lines instead of using ';' to separate.
7203 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7205 * cppinit.c (set_lang): Move builtin handling to...
7206 (init_builtins): ...here.
7207 (_cpp_create_reader): Move call to set_lang.
7209 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7211 * stmt.c (expand_return): If an attempt is made to return the
7212 error_mar_node, treat the return like a return without a value.
7214 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7216 * sibcall.c (skip_copy_to_return_value): Call
7217 identify_call_return_value here, and return orig_insn if it
7218 returns zero. Hardret and softret arguments now unnecessary.
7219 (call_ends_block_p): Don't call identify_call_return_value here.
7221 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7223 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7224 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7226 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7228 * pa.c (move_operand): Accept code to load the address of a
7229 symbol out of the DLT as a valid move operand.
7230 (print_operand, case 'A'): New to handle generating a DLT
7231 reference for a LO_SUM expression.
7232 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7233 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7235 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7237 * README, cpp.texi, gcc.texi, version.c: Update version number to
7239 * cpp.1, gcov.1, gcc.1: Regenerate.
7241 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7243 * cppfiles.c (stack_include_file): Generate dependencies
7244 here, and manage include_count here too.
7245 (PRINT_THIS_DEP): Delete.
7246 (_cpp_execute_include): Do not generate dependencies here,
7247 apart from the case of a missing header. Do not manage
7249 (_cpp_read_file): Leave dependency generation to
7252 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7254 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7255 target_cpu_default. Remove dead assignment to
7258 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7260 * regclass.c (contains_reg_of_mode): Make global.
7261 (init_reg_sets): Remove contains_reg_of_mode; take into account
7262 CLASS_MAX_NREGS when looking for the proper mode.
7263 (dump_regclass): Dump only classes considered for the pseudo.
7264 (regclass): Use contains_reg_of_mode.
7266 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7268 * gcc.c (do_spec_1): 'n' for printing notices.
7269 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7271 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7273 * reg-stack.c (next_flags_user): Use current_block->end
7274 (swap_rtx_condition): Look for next user if flags don't die;
7275 give up on CALL_INSNs; use current_block->end.
7277 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7279 * sibcall.c (call_ends_block_p): New function.
7280 (optimize_sibling_and_tail_recursive_call): Use it.
7282 2001-02-18 Kazu Hirata <kazu@hxi.com>
7284 * config/h8300/h8300.md: Update copyright.
7285 (andsi3): Do not output an extra newline character.
7287 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7289 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7290 FNDECL may be unused.
7292 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7293 follow jumps after first run.
7294 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7295 it doesn't change any jumps.
7297 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7299 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7300 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7301 (mostlyclean): Corresponding changes.
7302 * rtlanal.c (hard-reg-set.h): Include.
7303 (rtx_unstable_p): Do not treat the argument pointer specially
7304 if it is not a fixed register.
7305 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7307 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7309 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7310 against last real insn in basic block.
7311 Rework to avoid gotos.
7313 * Makefile.in (gcse.o): Now includes ggc.h.
7314 * gcse.c: Include ggc.h.
7315 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7316 (try_replace_reg): Remove warning of uninitialize variable.
7317 (process_insert_insn): Call invalid_insn_p to validate insn.
7318 * recog.c (insn_invalid_p): Now global.
7319 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7320 * recog.h (insn_invalid_p): New declaration.
7322 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7324 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7325 assignments from FP constants since 'Y' output code can't handle it.
7326 (eligible_for_sibcall_delay): Likewise.
7328 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7329 Call fancy_abort directly, passing args.
7330 (print_rtl_and_abort): Now a macro, like fancy_abort.
7332 * final.c (output_operand_lossage): Use internal_error, not error.
7334 2001-02-18 Shane Nay <shane@agendacomputing.com>
7336 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7337 structure shift insns.
7339 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7341 * invoke.texi (-fsquangle): Remove documentation.
7342 (-fname-mangling-version): Likewise.
7344 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7346 * optabs.c (expand_abs): Remove reference to
7347 HAVE_contitional_arithmetic.
7348 * combine.c (simplify_set): Likewise.
7350 2001-02-18 Richard Henderson <rth@redhat.com>
7352 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7355 2001-02-18 Richard Henderson <rth@redhat.com>
7357 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7359 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7361 * reload1.c (reload_cse_simplify_set): Fix typo.
7363 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7365 * diagnostic.c (_fatal_insn): Decrement errorcount.
7367 * invoke.texi (-I): Add note avoiding use for system header files.
7369 * rtl.h (add_clobbers): Remove duplicate declaration.
7370 * recog.h (added_clobbers_hard_reg_p): New declaration.
7371 * genemit.c (struct clobber_pat): New field has_hard_reg.
7372 (gen_insn): Record if added clobbers clobber hard reg.
7373 (gen_split): Avoid unused warning if number of operands is 0.
7374 (output_added_clobbers_hard_reg_p): New function.
7377 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7379 * pa.c (hppa_expand_prologue): Simplify code storing return
7380 pointer. For large (>=8k) frames with a post_store, adjust stack
7381 pointer by 8k-64 first rather than by 64. When testing with
7382 VAL_14_BITS_P, always use the actual value rather than the value
7383 negated. Add blockage to prevent scheduling of spills before
7384 stack frame has been created.
7385 (hppa_expand_epilogue): Simplify code loading return pointer.
7386 Allow a slightly larger range for merge_sp_adjust_with_load case.
7387 When testing with VAL_14_BITS_P, always use the actual value.
7389 * pa.c (pa_adjust_insn_length): Check that block move
7390 pattern is a set before looking at operands.
7392 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7394 * fold-const.c (fold_binary_op_with_conditional_arg): New
7395 function, split out from ...
7397 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7398 conditional arms that throw exceptions.
7400 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7403 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7405 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7406 define HAVE_DECL_* to 1 to mask potential backup declarations.
7407 * configure: Regenerated.
7409 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7411 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7413 2001-02-17 Richard Henderson <rth@redhat.com>
7415 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7416 when replacing a memory load with a register.
7418 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7419 Jan Hubicka <jh@suse.cz>
7421 * recog.c (validate_replace_src_1): New.
7422 (validate_replace_src_data): Likewise.
7423 (validate_replace_src): Use note_uses.
7424 * rtl.h (note_uses): Declare.
7425 * rtlanal.c (note_uses): New.
7427 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7429 * reg-stack.c (stack_def): Make field reg unsigned.
7430 (remove_regno_note): Unsignetize parameter.
7432 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7434 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7435 shladd_operand() call.
7437 2001-02-16 Bruce Korb <bkorb@gnu.org>
7438 Rodney Brown <RodneyBrown@mynd.com>
7440 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7441 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7442 machine restrictions
7443 * fixinc/fixincl.x: regen
7445 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7447 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7449 (hash_scan_insn): Clean up calls to hash_scan_set.
7450 (compute_kill_rd): REGNO now unsigned.
7451 (try_replace_reg): Rework to use simplify_replace_rtx.
7452 (cprop_jump, cprop_cc0_jump): Likewise.
7453 (cprop_insn): Call find_reg_equal_equiv_note.
7454 Reflect changes to cprop_jump and cprop_cc0_jump.
7456 * recog.c (validate_replace_src): Replace in operands of
7457 ZERO_EXTRACT in SET_DEST.
7459 * cse.c (new_label_ref): New variable.
7460 (insert): Set it instead of recorded_label_ref.
7461 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7462 CODE_LABEL for this function, and not already in REG_LABEL note.
7464 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7466 * resource.c (mark_referenced_resources): Fix typo in introductory
7468 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7471 2001-02-16 Jason Merrill <jason@redhat.com>
7473 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7475 (gen_subprogram_die): Don't abort on seeing a second definition if
7476 the previous one was abstract. Don't replace an abstract instance
7477 in the lookup table.
7479 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7480 gen_abstract_function.
7481 * dwarf2out.h: Declare it.
7482 * toplev.c (note_outlining_of_inline_function): New fn.
7483 * toplev.h: Declare it.
7484 * integrate.c (output_inline_function): Call it.
7485 * c-decl.c (duplicate_decls): Call it when redefining an extern
7486 inline. Don't inline the new defn.
7488 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7490 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7492 * .gdbinit: Rename to gdbinit.in.
7493 * gdbinit.in: New file,
7494 * configure.in: Generate .gdbinit from gdbinit.in.
7495 * configure: Regenerated.
7496 * Makefile.in (distclean): Always remove .gdbinit.
7498 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7500 * objc/objc-act.c (start_class): Register implemented_classes with
7503 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7505 * cppfiles.c (_cpp_make_system_header): Generate a file
7508 2001-02-15 Jim Meyering <meyering@lucent.com>
7510 * Makefile.in (install-common): Don't depend on installdirs here.
7511 Instead, make each of the lang.install-common targets (e.g.,
7512 c++.install-common in cp/Make-lang.in) depend on it.
7513 (install-driver): Depend on installdirs.
7515 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7517 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7519 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7522 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7524 * invoke.texi (--param): Document.
7526 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7528 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7530 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7532 * i386.md (extendsfdf2_2): Fix constraints.
7534 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7536 * i386.md (fop_df_3 splitter): Fix operand number.
7538 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7540 * invoke.texi (-mreg-alloc): Nuke.
7541 * i386.c (ix86_reg_alloc_order, regs_allocated,
7542 order_regs_for_local_alloc): Nuke.
7543 (override_options): Kill reg_alloc code.
7544 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7545 (REG_ALLOC_ORDER): SSE goes before I387.
7546 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7547 (ix86_reg_alloc_order): Likewise.
7548 * i386-protos.h (ix86_reg_alloc_order): Kill.
7550 2001-02-14 Richard Henderson <rth@redhat.com>
7552 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7554 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7556 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7558 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7560 * i386-protos.h (ix86_memory_move_cost): Move offline.
7561 * i386.c (ix86_register_move_cost): Compute properly cost of
7562 SSE, MMX and i387 instructions.
7563 (*_cost): Add costs of SSE/MMX moves.
7564 (ix86_memory_move_cost): Move offline from ....; Likewise.
7565 * i386.h (MEMORY_MOVE_COST): .... here;
7566 (struct processor costs): Add new fields to represent costs
7569 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7571 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7572 move_cost together with Matt Kraai's fix.
7574 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7576 * Makefile.in (OBJS): Add params.o.
7578 2001-02-14 Richard Henderson <rth@redhat.com>
7579 DJ Delorie <dj@redhat.com>
7581 * jump.c (jump_optimize_1): When we delete a conditional jump
7582 preceeding a non-conditional jump to effectively the same place,
7583 make sure that the combined jump skips any clobber insns between
7586 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7588 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7590 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7592 * Makefile.in (toplev.o): Depend on params.h.
7593 (intergate.o): Likewise.
7594 (params.o): New target.
7595 * flags.h (inline_max_insns): Remove.
7596 * integrate.c: Include params.h.
7597 Use MAX_INLINE_INSNS instead of inline_max_insns.
7598 * params.c: New file.
7599 * params.h: Likewise.
7600 * params.def: Likewise.
7601 * toplev.c: Include params.h.
7602 (lang_independent_params): New variable.
7603 (decode_f_option): Use the param machinery instead of setting
7605 (independent_decode_option): Handle "--param name=value".
7606 (main): Register language-independent parameters.
7608 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7610 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7612 2001-02-14 Richard Henderson <rth@redhat.com>
7614 * regclass.c (init_reg_sets_1): Revert last two changes.
7616 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7618 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7619 (variable_size): Call put_pending_size.
7620 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7621 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7622 sizes list, put newly created SAVE_EXPR there as well.
7624 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7626 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7627 (errata_find_address_regs): load_group has only 2 entries.
7628 (errata_emit_nops): Likewise. shladd is not problematic.
7629 Clear last_group if nop was emitted.
7630 (fixup_errata): load_group has only 2 entries.
7633 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7635 * c-lex.c (lex_number): Only warn traditionally for U suffix
7636 outside system macros.
7637 * cppexp.c (parse_number): Similarly.
7638 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7639 * cppmacro.c (struct cpp_macro): New member node.
7640 (parse_args): Only warn about missing rest args if not
7642 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7643 (cpp_sys_objmacro_p): New.
7644 (_cpp_create_definition): Store the node with the macro defn.
7645 Remember if the macro is defined in a system header.
7647 2001-02-13 DJ Delorie <dj@redhat.com>
7649 * configure.in (check_languages): determine languages to check
7650 * Makefile.in (check-c++): alias for check-g++
7651 (check-f77): alias for check-g77
7652 (CHECK_TARGETS): depend on configured languages
7654 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7656 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7657 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7658 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7659 (sqrtextendsfdf2): Disable for SSE2.
7661 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7663 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7664 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7665 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7666 (sqrtextendsfdf2): Disable for SSE2.
7668 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7670 * i386.md (movsfcc_1): Support integer cmove instruction.
7671 (movdfcc_1): Likewise; new splitter.
7673 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7675 * i386.c (output_fp_compare): Support SSE.
7676 (prepare_fp_compare_args): SSE comparisons always support memory.
7677 * i386.h (TARGET_CMOVE): SSE imply cmove.
7678 * i386.md (cmp?f2): Enable for SSE too.
7679 (cmpfp_i*): Support SSE.
7681 (cmpfp_i_sse_only): New.
7682 (s*, b* fp expanters): Enable for SSE too.
7683 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7686 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7688 * regclass.c (init_reg_sets_1): Silence warning.
7690 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7692 * i386.md (sqrt?f2): Change to expander.
7693 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7695 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7697 * rtlanal.c (find_reg_equal_equiv_note): New function.
7698 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7699 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7700 * rtl.h: Add declarations for above functions.
7702 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7704 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7706 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7707 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7708 * flow.c (mark_regs_live_at_end): Likewise.
7709 (calculate_global_regs_live): Likewise.
7710 * gcse.c (compute_hash_table): Likewise.
7711 (compute_kill_rd): Likewise.
7712 * resource.c (mark_target_live_regs): Likewise.
7713 * rtl.h (INVALID_REGNUM): New macro.
7715 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7717 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7719 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7721 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7724 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7726 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7728 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7729 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7730 (fop_sf_1_sse, fop_df_1_sse): New patterns
7731 (fop_*): Disable float_extend and float patterns for SSE compilation.
7732 * i386.c (output_387_binary_op): Support SSE.
7734 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7736 * i386.md (dummy_extendsfdf2): Support SSE2
7737 (extendsfdf2): Enable if 80387 or SSE2.
7738 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7739 and no MIX_I387_SSE2
7740 (extendsfdf2_1_sse_only): New pattern.
7741 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7743 (truncdfsf2_1): Support SSE.
7744 (truncdfsf2_2): Support SSE.
7745 (truncdfsf2_2_1_sse): New pattern.
7746 (fixtruncsfsi2): Always use SSE if available.
7747 (fix_truncsfsi_sse): New pattern.
7748 (fix_truncdfsi_sse): New pattern.
7749 (floatsis?f2): Support SSE.
7750 (floatsidf2_i387): New pattern.
7751 (floatsidf2_sse): Likewise.
7753 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7755 * configure.in: Use "have_gnat" variable, not "gnat".
7756 * configure: Regenerated.
7758 * config/sparc/sparc.c (function_value): Treat all non-record
7759 aggregate types like used to treat UNION_TYPE.
7761 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7763 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7764 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7766 (MASK_MIX_SSE_I387): New.
7767 (TARGET_SSE): SSE2 imply SSE.
7768 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7769 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7770 (enum reg_class): Add new classes.
7771 (REG_CLASS_NAMES): Likewise.
7772 (REG_CLASS_CONTENTS): Likewise.
7773 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7774 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7775 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7776 (CLASS_MAX_NREGS): Use new macros.
7777 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7778 * i386.md (pushsf, movsf): Support SSE.
7779 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7780 splitters to use ANY_FP_REGNO_P.
7781 (movdf_nointeger, movdf_integer): Likewise.
7783 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7785 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7786 (try_combine): Use it.
7788 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7790 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7791 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7792 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7793 (REGISTER_MOVE_COST): Likewise.
7794 * i386-protos.h (ix86_secondary_memory_needed,
7795 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7796 * i386.c (ix86_secondary_memory_needed,
7797 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7799 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7801 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7802 (HARD_REGNO_MODE_OK): Move offline to ....
7803 * i386.c (ix86_hard_regno_mode_ok) ... here;
7804 refuse all incorrect modes.
7805 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7807 2001-02-13 Richard Henderson <rth@redhat.com>
7809 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7810 entire operator; replicate that and match_dup the operands.
7811 (cmp_ccx_arith_op_set): Likewise.
7812 (cmp_cc_arith_op_not_set): Likewise.
7813 (cmp_ccx_arith_op_not_set): Likewise.
7815 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7817 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7819 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7821 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7822 (TARGET_NO_BITFIELD_WORD): New macro.
7823 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7824 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7826 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7828 * cselib.c: New file, from simplify-rtx.c.
7829 * simplify-rtx.c: Remove cselib parts.
7830 * Makefile.in: Add cselib.o.
7832 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7834 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7835 (setup_incoming_varargs): Remove warning.
7837 * config/rs6000/rs6000.c (validate_condition_mode): When
7838 flag_fast_math, allow floating-point conditionals to be reversed.
7839 (rs6000_generate_compare): When flag_fast_math, don't generate
7840 cror operations for FP conditionals.
7842 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7844 (ASM_SPEC): Likewise.
7845 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7846 (CC1_SPEC): Likewise.
7847 (LINK_TARGET_SPEC): Likewise.
7848 (CPP_ENDIAN_SPEC): Likewise.
7849 * Makefile.in (check-consistency): New target.
7851 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7853 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7854 "return type defaults" warning for functions with return type
7856 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7857 function declarations by default rather than only when pedantic.
7859 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7861 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7864 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7866 * extend.texi (Deprecated): Deprecate new initializer lists.
7868 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7870 * mkdeps.c (deps_add_default_target): Robustify. Add
7871 basename component only.
7872 * cpp.texi (-M): Describe how default target is generated.
7873 * invoke.texi (-M): Likewise.
7875 2001-02-12 Kazu Hirata <kazu@hxi.com>
7877 * toplev.c (push_float_handler): Remove.
7878 (pop_float_handler): Remove.
7879 * toplev.h: Remove prototypes for the above functions.
7881 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7883 * c-common.c (constant_fits_type_p): New function.
7884 (convert_and_check): Use it.
7886 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7888 * Makefile.in (GXX_ABI_FLAG): Don't define.
7889 * configure.in (--enable-new-gxx-abi): Remove option.
7890 * config.in: Regenerated.
7891 * configure: Likewise.
7893 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7895 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7897 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7898 regular basic block, and arrange for all edges into it to switch
7901 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7903 * Makefile.in (distclean): Do not remove .gdbinit.
7905 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7907 * Makefile.in (gcc.o): Fix typos.
7908 (protize.o): Likewise.
7909 (unprotoize.o): Likewise.
7911 2001-02-11 Richard Henderson <rth@redhat.com>
7913 * tree.c (build1): Check for null operand in last change.
7915 2001-02-11 Richard Henderson <rth@redhat.com>
7917 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
7918 (fold): Don't assume a constant isn't foldable.
7919 * tree.c (build): Set TREE_CONSTANT for an expression with no
7920 side-effects and constant operands.
7923 2001-02-10 Richard Henderson <rth@redhat.com>
7925 * jump.c (squeeze_notes): Revert 2000-05-12 change.
7927 2001-02-10 Anthony Green <green@redhat.com>
7929 * cpp.texi (Standard Predefined): Add documentation for
7932 * c-common.c (combine_strings): Improve warning message.
7934 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
7936 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
7938 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
7940 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
7942 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
7945 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
7947 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
7950 2001-02-09 Nick Clifton <nickc@redhat.com>
7952 * config/arm/arm.md: Change output contraint on post inc
7953 load/store multiple patterns to be a read/write contraint.
7955 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
7957 * gcc.c (cpp_options): Delete .d files on error. Don't delete
7958 .o files when using the -M options.
7960 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7961 David Edelsohn <edelsohn@gnu.org>
7963 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
7964 handle DImode constants. Use one TOC entry for SImode and smaller
7965 constants, aligned properly.
7967 2001-02-08 Jason Merrill <jason@redhat.com>
7969 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
7970 about the SP adjustment for saving the static chain pointer.
7971 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7972 offset when setting a temporary CFA register.
7974 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7976 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7977 powerpc-*-chorusos* .
7978 * config/rs6000/chorus.h : New file.
7979 * config/i386/chorus.h : New file.
7980 * config/sparc/chorus.h : New file.
7981 * config/sparc/t-chorus-elf : New file.
7983 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7985 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7986 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7987 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7988 (__WCHAR_TYPE__): Correct macro name.
7990 2001-02-08 Richard Henderson <rth@redhat.com>
7992 * config/i386/i386.c (ix86_frame_pointer_required): New.
7993 (ix86_setup_frame_addresses): New.
7994 (struct machine_funciton): Add accesses_prev_frame.
7995 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7996 ix86_frame_pointer_required.
7997 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7998 (SETUP_FRAME_ADDRESSES): New.
7999 * config/i386/i386-protos.h: Update.
8000 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
8001 from FRAME_POINTER_REQUIRED.
8002 * config/i386/svr3gas.h: Likewise.
8003 * config/i386/sysv3.h: Likewise.
8004 * config/i386/v3gas.h: Likewise.
8006 2001-02-08 Richard Henderson <rth@redhat.com>
8008 * config/sparc/sparc.c (function_arg_record_value_3): Fix
8009 calculation of the number of integer registers required.
8010 (function_arg_record_value): Likewise.
8012 2001-02-08 Jason Merrill <jason@redhat.com>
8014 * diagnostic.c (internal_error): Say "confused" after 1 error, not
8015 two. Print file and line with "confused" message.
8017 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
8019 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8021 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
8023 2001-02-08 Bernd Schmidt <bernds@redhat.com>
8025 * final.c (cleanup_subreg_operands): The address of a MEM can
8028 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
8031 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
8033 * gcc.texi (Incompatibilities): Update documentation of
8034 preprocessing numbers.
8036 2001-02-07 Jakub Jelinek <jakub@redhat.com>
8038 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
8040 2001-02-07 Mark Mitchell <mark@codesourcery.com>
8042 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
8044 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
8045 * gcc.c (struct compiler): Add cpp_spec field.
8046 (input_file_compiler): New variable.
8047 (do_spec_1): Allow a particular compiler to handle `%C'
8049 (main): Store the current compiler in input_file_compiler.
8050 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
8052 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
8054 * cpphash.h (struct spec_nodes): Add n_true and n_false.
8055 * cppinit.c (cpp_create_reader): Initialize them.
8056 (append_include_chain): cxx_aware arg might be unused.
8057 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
8058 keywords and give them their phase 7 meaning. Pedwarn about
8059 this unless '__bool_true_false_are_defined' is defined.
8061 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8063 * lcm.c (optimize_mode_switching): Emit mode_set before the
8064 JUMP_INSN of an abnormal edge.
8066 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8068 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8069 a scheduling barrier at the end.
8071 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8073 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8075 * config/sh/sh.md (reload_outsf): Removed.
8076 (movsf_ie): Introduce constraints for FPUL loads and stores.
8077 (reload_insf): Broaden the output constraint.
8079 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8081 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8082 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8084 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8086 * final.c: Revert my previous changes.
8087 * output.h: Make profile_label_no extern.
8088 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8089 for generating label.
8091 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8093 * config/i386/djgpp.h: Add comments about standard paths.
8094 (MD_EXEC_PREFIX): Undefine before defining.
8095 (MD_STARTFILE_PREFIX): New.
8097 2001-01-30 Bruce Korb <bkorb@gnu.org>
8099 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8100 (load_file): do not rely on load_file_data() to close file pointer
8101 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8102 fixinc/inclhack.def(irix_limits_const): add test_text
8104 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8106 * cppexp.c (parse_defined): Improve diagnostics for invalid
8109 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8111 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8113 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8115 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8116 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8117 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8118 (rs6000_output_symbol_ref): New function.
8119 (output_toc): Use VTABLE_NAME_P.
8121 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8123 * print-tree.c (print_node, case PARM_DECL):
8124 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8126 * stor-layout.c (reference_types_internal): New variable.
8127 (internal_reference_types): New function.
8128 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8129 * tree.h (internal_reference_types): New declaration.
8131 * cse.c (find_best_addr): Fix typo in computing cost.
8133 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8135 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8136 and this is the sum of a pointer and a constant, we know the result
8138 (num_sign_bit_copies, case PLUS): Likewise.
8139 * explow.c (convert_memory_address): Remove opposite SUBREG.
8140 * function.c (instantiate_new_reg): New function (from common code).
8141 (instantiate_virtual_regs_1): Call it.
8142 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8143 if pointers sign- or zero-extend.
8144 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8145 If pointers extend unsigned, use inside of SUBREG.
8146 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8148 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8150 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8151 subdir of gcc_gxx_include_dir.
8152 (gcc_gxx_target_include_dir): Remove.
8154 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8156 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8157 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8158 a high-level description.
8160 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8162 * final.c: Move the declaration of profile_label_no to ...
8163 * output.h: ... here.
8164 * function.c (expand_function_start): Call PROFILE_HOOK.
8165 * config/rs6000/aix.h: Define PROFILE_HOOK.
8166 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8167 * config/rs6000/rs6000.c (output_profile_hook): Define.
8168 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8169 output_profile_hook.
8170 tm.texi : Explain new macro PROFILE_HOOK.
8172 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8174 * extend.texi (Extended Asm): Do not say that semicolon is always
8175 a valid line-breaking character for GNU assemblers. Use
8176 newline-tab as the most commonly supported syntax. Use
8177 newline-tab rather than semicolon in multi-insn examples.
8179 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8181 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8183 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8184 David Edelsohn <edelsohn@gnu.org>
8186 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8187 code for AIX, even without flag_pic.
8189 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8191 * c-typeck.c (common_type): push and pop binding level around
8192 calling common_type on function parameters.
8194 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8196 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8198 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8200 * config/mips/mips.c (override_options): Fix typo in last change.
8201 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8202 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8204 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8206 * invoke.texi (-fdump-class-layout): Document.
8207 (-fdump-translation-unit): Use `=' as filename separator.
8209 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8211 * Makefile.in (s-mlib): Don't build multilibs if
8213 (DRIVER_DEFINES): Adjust accordingly.
8215 (protoize.o): Likewise.
8216 (unprotoize.o): Likewise.
8217 * configure.in: Recognize --enable-multilib.
8219 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8221 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8223 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8224 * configure.in: Remove --enable-libstdcxx_v3 support.
8225 * configure: Regenerated.
8227 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8229 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8230 Call abort instead of fatal.
8231 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8232 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8233 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8234 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8235 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8236 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8238 * diagnostic.h (set_internal_error_function): Renamed.
8239 * toplev.h (internal_error): Renamed from fatal.
8240 (pfatal_with_name): Deleted.
8241 (fatal_io_error): Now has printf-style arguments.
8242 * diagnostic.c (pfatal_with_name): Deleted.
8243 (fatal_io_error): Rework to have args in printf-style.
8244 (set_internal_error_function): Renamed from set_fatal_function.
8245 (internal_error): Renamed from fatal.
8246 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8247 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8248 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8249 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8250 * flow.c (verify_flow_info): Likewise.
8251 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8252 * config/mips/mips.c (save_restore_insns): Likewise.
8254 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8255 * flow.c (verify_flow_info): Likewise.
8256 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8257 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8258 (avr_normalize_condition): Likewise.
8259 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8260 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8261 (limit_reload_class, double_reg_to_memory): Likewise.
8262 (print_operand_address, emit_1600_code_shift): Likewise.
8263 (gen_tst_reg, gen_compare_reg): Likewise.
8264 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8265 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8267 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8269 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8270 * objc/objc-act.c (build_ivar_chain): Likewise.
8271 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8273 * graph.c (clean_graph_dump_file): Likewise.
8274 * profile.c (init_branch_prob): Likewise.
8275 * objc/objc-act.c (objc_init): Likewise.
8277 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8278 * config/avr/avr.c (avr_override_options): Likewise.
8279 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8280 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8281 * config/h8300/h8300.c (h8300_init_once): Likewise.
8282 * config/mips/mips.c (override_options): Likewise.
8283 * config/i386/i386.c (override_options): Likewise, rework.
8284 * config/m68k/m68k.c (override_options): Likewise.
8286 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8288 * config/mips/mips.c (print_operand): Likewise.
8289 * hash.c (hash_allocate): Don't check for failure returns from
8290 obstack functions that can't fail.
8291 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8292 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8293 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8294 (get_object_reference): Likewise.
8296 2001-02-04 Nick Clifton <nickc@redhat.com>
8298 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8299 StrongARM1110, 10TDMI, and 1020T.
8301 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8303 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8305 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8307 * config/sh/sh.md (movdf load split): Pass register number to
8308 FP_OR_XD_REGISTER_P.
8310 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8312 * cppinit.c (BC): New macro.
8313 (builtin_array): Add __GXX_WEAK__.
8314 * cpplib.h (builtin_type): Add BT_WEAK.
8315 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8316 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8317 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8319 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8321 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8323 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8325 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8326 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8328 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8330 * cpphash.h: Rename ALIGN _ALIGN.
8331 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8333 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8335 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8336 compilation environment.
8337 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8338 control over location of cygwin includes and libs.
8340 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8342 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8344 2001-02-02 lars brinkhoff <lars@nocrew.org>
8346 * md.texi (Standard Names): remove reference to spur.md.
8348 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8350 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8351 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8352 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8353 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8354 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8356 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8358 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8359 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8360 number before reload.
8361 (c4x_adjust_cost): Return zero before reload.
8362 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8363 split before reload.
8365 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8367 * c4x.c (c4x_hard_regno_rename_ok): New.
8368 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8369 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8371 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8373 * diagnostic.h: Add missing "extern" in all declarations.
8375 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8377 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8378 as for gcc_gxx_include_dir.
8380 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8382 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8384 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8386 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8387 label before alignment to be used as the braf base address.
8388 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8390 (casesi_jump_2): Require at least TARGET_SH2.
8392 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8393 truncation to 32-bit doubles on -m3e and -m4-single-only.
8395 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8397 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8398 the default when building a shared object.
8399 (init_spec): Use it.
8400 * testsuite/lib/g++.exp: Include the directory where libgcc
8401 is located to the LD_LIBRARY_PATH list.
8402 * invoke.texi (-shared-libgcc): Document the cases in which
8403 GCC defaults to using the shared libgcc.
8405 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8407 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8408 unsigned is wide enough.
8410 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8411 (si_to_float): Likewise.
8412 (float_to_si, float_to_usi): Use BITS_PER_SI.
8414 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8416 * dwarf2out.c: Added explanation of abbreviations.
8417 (def_cfa_1): Added comments listing DWARF2 instructions.
8418 (cfa_temp_reg): Removed in favor of cfa_temp.
8419 (cfa_temp_value): Removed in favor of cfa_temp.
8420 (cfa_temp): New global variable.
8421 (dwarf2out_frame_debug_expr): Added extensive introductory
8422 comments explaining the function's transformations. Revised to
8423 use cfa_temp. Added some rtx checking. Generalize IOR case.
8424 (dwarf2out_frame_debug): Revised to use cfa_temp.
8425 (output_aranges): Cast as "unsigned" to avoid warning.
8426 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8427 explain which instructions must be marked.
8429 2001-02-01 Richard Henderson <rth@redhat.com>
8431 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8434 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8436 * config/sh/crt1.asm (main_k): Modified so that start calls
8437 ___setup_argv_and_call_main.
8439 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8441 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8442 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8443 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8444 * cppmacro.c (builtin_macro): Set builtin flags here.
8445 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8446 (replace_args): Clarify intent.
8447 (cpp_get_token): Macro expansion tokens get the saved flags.
8449 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8452 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8454 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8457 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8459 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8460 returns Pmode pseudo, but we need ptr_mode.
8461 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8462 Remove bogus conversions; use HOST_WIDE_INT for size.
8463 Don't use TARGET if wrong mode.
8465 * config/i386/i386.c (ix86_compute_frame_size): Allow
8466 stack_alignment_needed to be non-default even if size is zero.
8468 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8470 * pa.c (hppa_init_pic_save): New function.
8471 * pa.h (hppa_init_pic_save): Declare.
8472 * pa.md (call, call_value, sibcall, sibcall_value): Use
8473 the above instead of duplicated code.
8475 * pa.c (hppa_encode_label): Correct size of alloca buffer
8476 so we don't overrun it. Correct leading `*' case.
8477 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8478 need to handle `*@'.
8479 (FUNCTION_NAME_P): Likewise.
8481 2001-01-31 Richard Henderson <rth@redhat.com>
8483 * config.gcc (alpha-osf5): Use float-i128.h.
8485 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8486 * config/float-i32.h: Likewise.
8487 * config/float-i64.h: Likewise.
8488 * config/float-sh.h: Likewise.
8489 * config/float-sparc.h: Likewise.
8491 2001-01-31 DJ Delorie <dj@redhat.com>
8493 * expmed.c (extract_bit_field): allow non-integral modes if we
8494 want to extract a whole register from itself.
8496 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8498 * c-typeck.c (set_init_index): If first is equal to last, assume as
8499 if it was not a range at all.
8501 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8503 * config/fp-bit.c: Include tm.h.
8504 (float_to_si): Don't assume SImode is 32-bits wide.
8505 (float_to_usi): Likewise.
8507 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8509 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8511 (typename): Call pending_xref_error after parsing typed_typespecs.
8512 * c-decl.c (lookup_tag): Give error immediately rather than
8513 leaving it pending if the tag of the wrong type is in the same
8515 (xref_tag): Don't pedwarn for forward declarations of enum types
8517 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8520 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8522 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8524 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8526 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8527 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8529 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8531 * cpphash.h (struct cpp_reader): New saved_flags.
8532 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8533 to avoid a paste after a pasted token.
8535 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8537 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8538 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8539 Wtype_MIN instead of LONG_MIN.
8541 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8543 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8545 * fixinc/fixincl.x: Regenerated.
8546 * fixinc/inclhack.def (irix_limits_const): New definition to
8547 convert "const" to "__const" in limits.h.
8549 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8551 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8553 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8555 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8556 when register dies in the insn.
8558 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8560 * diagnostic.c (fatal): Fix word wrap.
8562 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8564 * combine.c (try_combine): Fix SUBREG setting for
8565 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8567 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8569 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8572 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8574 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8576 * toplev.c (decode_W_option): Update warn_larger_than
8577 unconditionally for each processed switch.
8579 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8581 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8583 (hppa_expand_prologue): Delete code to save pic offset table register
8584 in the function prologue.
8585 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8586 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8587 table register at the beginning of the function after the prologue.
8589 2001-01-29 lars brinkhoff <lars@nocrew.org>
8591 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8593 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8594 Jeff Law <law@redhat.com>
8596 * pa.md (return): Revise comment for trivial return.
8597 (return_internal): Non-trivial return pattern for non-PIC code.
8598 (return_internal_pic): Non-trivial return pattern for PIC code.
8599 It uses the PIC register to ensure it is restored after
8601 (epilogue): Generate appropriate return for PIC and non-PIC code.
8603 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8605 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8607 2001-01-29 DJ Delorie <dj@redhat.com>
8609 * combine.c (if_then_else_cond): Pass the correct mode to
8610 operand_subword() for constants.
8612 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8614 * config/i386/cygwin.h: Add w32api to include search. Search different
8615 directories in a cross-build environment.
8617 2001-11-29 Tim Josling <tej@melbpc.org.au>
8619 * tree.h (TYPE_STUB_DECL): Add documentation.
8621 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8623 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8624 (sdbout_field_types): Likwise. Fix use of host_integerp.
8626 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8628 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8631 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8633 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8634 to use flag_gnu_linker.
8636 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8638 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8639 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8641 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8643 * tree.c, tree.h (build_parse_node): Remove; was identical to
8645 * c-lang.c (start_cdtor), objc/objc-act.c
8646 (build_module_descriptor): Use build_nt instead of
8649 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8651 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8652 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8653 not have any upper bits set.
8655 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8657 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8659 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8661 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8663 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8665 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8666 (integer_minus_one_node): Define.
8668 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8670 * Makefile.in (bootstrap2-lean): Fix typo.
8672 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8674 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8675 : Don't set fe_value.
8676 * cpplib.h (AVOID_LPASTE): New flag.
8677 (struct cpp_hashnode): Remove fe_value.
8678 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8679 * cppmacro.c (builtin_macro): Don't set flags here.
8680 (replace_args): Set AVOID_LPASTE flag on first token of an
8681 argument, and the token following it.
8682 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8683 macro expansion, and on the token following it. Do it for
8685 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8687 2001-01-27 Richard Henderson <rth@redhat.com>
8689 * config/alpha/t-ieee: Remove multilibbing.
8690 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8692 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8694 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8696 * Makefile.in: Remove all dependencies on defaults.h.
8697 * builtins.c: Don't include defaults.h.
8698 * c-common.c: Likewise.
8699 * c-decl.c: Likewise.
8700 * c-pragma.c: Likewise.
8701 * c-typeck.c: Likewise.
8702 * combine.c: Likewise.
8704 * frame-ia64.c: Likewise.
8705 * cppexp.c: Likewise.
8706 * crtstuff.c: Likewise.
8707 * dbxout.c: Likewise.
8708 * dwarf2out.c: Likewise.
8709 * dwarfout.c: Likewise.
8710 * emit-rtl.c: Likewise.
8711 * except.c: Likewise.
8713 * final.c: Likewise.
8714 * frame-dwarf2.c: Likewise.
8715 * libgcc2.c: Likewise.
8716 * optabs.c: Likewise.
8717 * profile.c: Likewise.
8718 * sdbout.c: Likewise.
8719 * toplev.c: Likewise.
8720 * tradcif.y: Likewise.
8722 * varasm.c: Likewise.
8724 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8726 * builtins.c (expand_builtin_fputs): Use size_one_node when
8727 transforming into fwrite.
8729 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8731 * extend.texi (Attribute Syntax): New section.
8733 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8735 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8736 they didn't need fixing.
8738 2001-01-27 Janis Johnson <janis@us.ibm.com>
8740 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8742 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8743 to remove macro definitions that are duplicated from elfos.h.
8745 2001-01-27 Richard Henderson <rth@redhat.com>
8747 * config/i386/sco5gas.h: Move ...
8748 * config/usegas.h: ... here.
8749 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8751 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8753 * c-typeck.c (struct constructor_stack): Add range_stack member.
8754 (really_start_incremental_init): Clear it.
8755 (push_init_level): Save constructor_range_stack and clear it if
8756 pushing explicit braces.
8757 (pop_init_level): abort if constructor_range_stack is non-zero at
8758 explicit closing brace. Restore saved constructor_range_stack if
8761 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8763 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8764 into register was forced into memory.
8766 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8768 * Makefile.in: Remove uses of + before $(MAKE).
8770 2001-01-26 Richard Henderson <rth@redhat.com>
8772 * stmt.c (cost_table): Remove.
8773 (COST_TABLE, cost_table_initialized): New.
8774 (estimate_case_costs): Use the later instead of the former.
8775 (balance_case_nodes): Likewise.
8777 2001-01-26 Richard Henderson <rth@redhat.com>
8779 * alias.c (objects_must_conflict_p): Read-only slots may not
8780 conflict despite having the same type.
8782 2001-01-27 Michael Hayes <mhayes@redhat.com>
8784 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8786 (check_ext_dependant_givs): Initialise u_start_val and
8788 (load_mems): Make last_max_reg unsigned.
8789 (try_swap_copy_prop): Use INSN_P and initialise set.
8791 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8793 * README.AVR : Removed.
8795 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8797 * pa-64.h (text_section): Remove declaration.
8799 * pa.md (return_internal): Remove mode on PIC register use.
8801 2001-01-25 lars brinkhoff <lars@nocrew.org>
8803 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8804 ASM_CLOSE_PAREN): fix typos.
8806 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8808 * acconfig.h: Define `const' to the empty string if neither
8809 __STDC__ nor __cplusplus is defined.
8810 * config.in: Regenerated.
8812 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8814 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8815 * collect2.c (main): Delete importf. Add ".obj" file extension.
8816 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8817 (aix_std_libs): Add additional AIX libraries to skip.
8818 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8819 * config/rs6000/aix51.h: New file.
8821 2001-01-25 Michael Hayes <mhayes@redhat.com>
8823 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8824 (loop_insn_emit_before): No longer static.
8825 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8826 (loop_givs_rescan, load_mems): Likewise.
8827 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8828 (maybe_eliminate_biv_1):
8829 (move_movables): Replace emit_call_insn_before with
8830 loop_call_insn_hoist.
8831 * loop.h (loop_insn_emit_before): Add.
8832 * unroll.c (copy_loop_body): Replace emit_insn_before with
8833 loop_insn_emit_before.
8835 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8837 * diagnostic.c (fatal): Request preprocessed source.
8839 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8841 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8842 olddecl has argument types and newdecl has none, use the argument
8845 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8847 * dwarf2out.c (prefix_of): New function. Determine longest common
8848 prefix of the two arguments. The units are whole path components.
8849 (output_file_names): When adding a new directory find the one entry
8850 with the longest common prefix already in the list. Artificially
8851 generate entry if there is none for this prefix.
8852 Fix test to check whether the zeroth directory entry is used.
8854 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8856 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8857 Changed all callers. Take it into account when deciding if a
8858 previously loaded value matches.
8860 2001-01-24 Richard Henderson <rth@redhat.com>
8862 * reload.c (find_reloads_subreg_address): Fail the substitution
8863 if the resulting address is insufficiently aligned.
8865 2001-01-24 DJ Delorie <dj@redhat.com>
8867 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8868 check the original operand's mode also.
8869 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8871 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8873 * c-parse.in (cast_expr): Move compound literals from here ...
8874 (primary): ... to here. Use standard terminology "compound
8875 literal" instead of "constructor expression".
8877 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8879 * gcc.1, cpp.1: Regenerate.
8881 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8883 * calls.c (emit_library_call_value_1): Memory slot for
8884 pass-by-reference argument should have the mode of the argument,
8885 not of the pointer to it.
8887 2001-01-24 Tom Tromey <tromey@redhat.com>
8889 * gcc.texi (G++ and GCC): Mention gcj manual.
8890 (Standards): Link to section of manual mentioning gcj/Java
8893 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8895 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8896 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8897 * tradcpp.c (main): Add -imacros or -include'd dependencies
8899 * cpp.texi (-M, -MM): Document -M -include behaviour.
8901 2001-01-24 Roger Collins <roger@ProProject.com>
8903 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8905 2001-01-24 Will Cohen <wcohen@redhat.com>
8907 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8908 whether registers are 32 bits or 64 bits in size.
8910 2001-01-24 Ben Elliston <bje@redhat.com>
8912 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8914 2001-01-24 Richard Henderson <rth@redhat.com>
8916 * config/alpha/alpha.md (builtin_longjmp_internal): New.
8917 (builtin_longjmp): Use it instead of emit_indirect_jump.
8919 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
8921 * bb-reorder.c (make_reorder_chain_1): Handle case where
8922 jump edge goes to the same block as the fallthru edge.
8924 2001-01-23 Jim Wilson <wilson@redhat.com>
8926 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
8927 * frame.h (__ia64_personality_v1): Add prototype.
8928 * libgcc2.c (ia64_throw_helper): Change personality declaration to
8929 prototype form. Add void * cast to first argument to personality
8931 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
8932 (asctoe113): Likewise.
8933 * config/ia64/frame-ia64.c: Include eh-common.h.
8934 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
8936 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
8938 (itanium_split_issue): Add prototype.
8939 (gen_nop_type): Ifdef out.
8940 (find_best_packet): Initialize best_packet.
8941 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
8943 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
8944 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
8945 (flushrs): Add explicit stop bit at end.
8946 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
8949 2001-01-23 Chris Demetriou <cgd@broadcom.com>
8951 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
8953 * libgcc2.c (__terminate_func): Make variable static.
8954 (__terminate_set_func): New function to set __terminate_func.
8955 * libgcc2.h (__terminate_func_ptr): New typedef.
8956 (__terminate_set_func): New function.
8958 2001-01-23 Richard Henderson <rth@redhat.com>
8960 * flow.c (init_propagate_block_info): Don't consider unchanging
8961 memories for dead frame store elimination.
8963 2001-01-23 Richard Henderson <rth@redhat.com>
8965 * varasm.c (UNIQUE_SECTION): Move default implementation ...
8966 * defaults.h: ... here.
8968 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8970 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
8972 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8974 * c-lex.c (lex_charconst): Fix typo: s/p/str.
8976 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8978 * rs6000.h (rs6000_return_addr): Move prototype from here...
8979 * rs6000-protos.h (rs6000_return_addr): ...to here.
8980 (rs6000_init_expanders): Delete prototype.
8982 2001-01-23 Nick Clifton <nickc@redhat.com>
8984 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8985 (Spec Files): Document %B and %j and %. and %v3 and %M and
8986 %{S*&T} spec switches.
8988 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8990 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8992 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8993 Neil Booth <neil@daikokuya.demon.co.uk>
8995 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8996 Have -Werror make pedantic warnings errors, like the
8999 2001-01-23 Phil Edwards <pme@sources.redhat.com>
9001 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
9003 2001-01-23 Jakub Jelinek <jakub@redhat.com>
9005 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
9006 * integrate.c (expand_inline_function): Initialize them.
9007 (subst_constants): If changing COMPARE so that both its arguments
9008 will be VOIDmode and the comparison mode will be lost, note
9009 compare_mode. Use the recorded compare_mode to optimize
9012 2001-01-23 Jason Merrill <jason@redhat.com>
9014 * dwarf2out.c (new_die): Use xcalloc.
9015 (output_die): Abort rather than emit a local reference to offset 0.
9017 2001-01-17 Andrew Haley <aph@redhat.com>
9019 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
9020 of a saved register; return NULL instead.
9021 (copy_reg): Take a pointer to a source register rather than a
9023 (next_stack_level): Remember the address in the stack frame of all
9025 Use the saved register pointer array as the source of the CFA.
9026 (throw_helper): Rewrite. Unwind once rather than twice and keep
9027 track of saved registers as we go.
9029 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9031 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
9032 * c4x.c (c4x_legitimize_reload_address): Remove.
9033 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
9034 reload address for ldp(k) insn.
9036 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
9038 * pa.md (return_internal): Add a USE of the PIC register to ensure
9039 it is restored after each call.
9040 (return expander): Corresponding changes.
9042 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9044 * rs6000.h (INIT_EXPANDERS): Delete.
9045 (RETURN_ADDR_RTX): Call rs6000_return_addr().
9046 * rs6000.c (rs6000_override_options): Call *_machine_status from
9048 (rs6000_init_expanders): ...instead of here. Delete.
9049 (rs6000_mark_machine_status): New function.
9050 (rs6000_init_machine_status): Use xcalloc.
9051 (rs6000_return_addr): Generate RTX for the return address.
9052 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
9053 (rs6000_stack_info): Use it.
9055 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
9057 * gthr-win32.h: Include errno.h to get a declaration for
9058 EINVAL and _mingw.h if the target is mingw32.
9060 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9062 * cpp.texi: Correct typos.
9064 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9066 * explow.c (probe_stack_range): Ensure value passed to
9067 stack_check_libfunc is ptr_mode, not Pmode.
9069 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9071 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9072 case, don't use operand_subword to calculate a SUBREG that is
9075 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9077 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9079 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9080 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9081 valid. If not replace it by equivalent insns.
9083 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9085 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9086 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9087 (c4x_U_constraint, symbolic_address_operand): Likewise.
9088 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9090 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9091 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9092 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9093 anulling slot because of silicon bug.
9094 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9096 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9098 * cppexp.c (parse_charconst): Change `mask' type to agree
9101 2001-01-21 Richard Henderson <rth@redhat.com>
9103 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9104 pic_label_name in a linkonce section.
9106 2001-01-17 Philipp Thomas <pthomas@suse.de>
9108 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9110 * configure: Regenerate.
9112 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9114 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9115 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9117 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9119 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9120 If REVERSE nonzero then condition code in X must be reversed.
9121 (encode_section_info): Optimise if/else.
9122 (avr_function_value): Fix formatting.
9124 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9125 (difficult_branch): Likewise.
9126 (rvbranch): Likewise.
9127 (difficult_rvbranch): Likewise.
9129 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9131 * config/avr/libgcc.S: Fix comment.
9133 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9135 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9137 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9139 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9141 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9143 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9144 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9145 * configure, config.in: Regenerate.
9146 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9147 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9148 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9149 (doprint.o): New rule.
9151 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9153 * c-typeck.c (digest_init): Handle boolean types as scalars.
9155 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9157 * stmt.c (expand_return): Don't return anything if size is zero.
9158 Delete redundant assignment to BYTES.
9159 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9161 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9163 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9164 the same as the default library function names.
9165 * config/avr/avr.md: Document special characters after '%'.
9166 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9167 knowing which of the call-used registers are really clobbered.
9168 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9169 New. Both quotient and remainder from one libgcc.S call.
9170 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9171 clobber as few registers as possible.
9172 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9174 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9176 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9177 context of the top of the stack.
9179 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9181 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9182 (fixup_var_refs_insns): ...here.
9184 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9186 * function.c (fixup_var_refs_insns): Break up into
9187 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9188 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9189 [loop over hash table entries].
9190 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9191 fixup_var_refs_insns_with_hash, to match above changes.
9193 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9195 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9196 (libgcc.a): Likewise.
9197 (stmp-multilib): Likewise.
9198 (STAGE2_FLAGS_TO_PASS): Likewise.
9200 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9202 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9203 temporary if no_new_pseudos.
9205 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9207 * cppinternals.texi: Update.
9209 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9211 * arm.c (arm_init_builtins): Re-enable builtins.
9213 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9215 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9216 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9217 element to be null, and always expect an EXPR_LIST.
9218 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9219 * sched-deps.c (sched_analyze_1): Likewise.
9220 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9222 * regclass.c (max_set_parallel): New variable.
9223 (reg_scan): Take it into account in computation of max_parallel.
9224 (reg_scan_mark_refs, case SET): Compute it.
9226 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9228 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9229 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9231 2001-01-19 Jason Merrill <jason@redhat.com>
9233 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9234 for the abstract instance of an inline function.
9236 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9237 J"orn Rennecke <amylaar@redhat.com>
9239 * reload1.c (move2add_note_store): Treat all registers directly or
9240 indirectly derived from a base register as members of the same set
9242 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9243 of base register into account.
9245 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9247 * alias.c (find_base_value): Recognize TRUNCATE.
9248 (record_set): In PLUS case, invalidate if other summand is also a
9251 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9253 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9254 entry to be EXPR_LIST.
9255 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9256 be an EXPR_LIST (but not null, which other code doesn't allow).
9257 (note_stores): Properly handle PARALLEL in SET.
9258 Recursively call for top-level PARALLEL.
9259 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9260 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9262 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9264 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9266 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9267 not pfile->skipping (== 0).
9269 2001-01-17 Nick Clifton <nickc@redhat.com>
9271 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9274 2001-01-17 Jim Wilson <wilson@redhat.com>
9276 * invoke.texi (IA-64 options): Improve.
9278 2001-01-17 Tom Tromey <tromey@redhat.com>
9280 * invoke.texi (Optimize Options): Use `{}' to around @samp
9283 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9285 * invoke.texi (-fno-guess-branch-probability): New option.
9287 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9289 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9290 case of making new double-word constant.
9291 Revert last change: instead just test i3_subst_into_i2.
9293 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9295 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9296 Use q constraints instead of r.
9298 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9300 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9301 (machine_function): Define.
9302 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9303 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9304 pa_free_machine_status): New functions.
9305 (override_options): Set {init,mark,free}_machine_status to above.
9306 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9307 PIC_OFFSET_TABLE_REGNUM_SAVED.
9308 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9309 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9310 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9311 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9312 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9314 2001-01-15 DJ Delorie <dj@redhat.com>
9316 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9320 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9322 * flow.c (propagate_on_insn): Make trying to delete a prologue
9323 or epilogue insn an ICE, not a warning. Allow doing this if
9324 the current function returns with stack pointer depressed.
9326 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9327 I3 having more than one SET.
9329 2001-01-16 Jim Wilson <wilson@redhat.com>
9331 * invoke.texi: Document IA-64 options.
9333 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9334 (fixup_errata): Delete TARGET_A_STEP use.
9335 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9336 (TARGET_SWITCHES): Delete -ma-step option.
9337 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9338 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9339 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9340 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9341 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9342 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9344 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9345 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9346 cmovsi_internal): Delete ! TARGET_A_STEP check.
9348 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9350 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9351 possibility to report bugs via postal mail. Change a URL and
9352 merge in a nearly duplicate statement...
9353 (Bug Reporting): ...from here.
9354 (Service): Refer to the Bug Reporting section instead of
9356 (Contributing): Remove trivial explanations concerning snapshots.
9358 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9360 * cppmain.c (general_init): Don't use ANSI prototype.
9362 2001-01-16 Tom Tromey <tromey@redhat.com>
9364 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9366 2001-01-16 Richard Henderson <rth@redhat.com>
9368 * config/i386/i386.h: Fix comment typo.
9369 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9370 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9372 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9374 * gcc.c: Revert previous -fsyntax-only-related change; move
9377 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9379 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9380 inmode after checking GET_CODE (op).
9382 2001-01-16 Richard Henderson <rth@redhat.com>
9384 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9385 (MAX_MEM_SET_LIST_LEN): New.
9386 (propagate_one_insn): Update mem_set_list_len.
9387 (invalidate_mems_from_autoinc): Likewise.
9388 (invalidate_mems_from_set): Likewise.
9389 (mark_used_regs): Likewise.
9390 (init_propagate_block_info): Likewise. Stop collecting memories
9391 when we reach MAX_MEM_SET_LIST_LEN.
9392 (mark_set_1): Likewise.
9394 2001-01-16 Richard Henderson <rth@redhat.com>
9396 * unroll.c (precondition_loop_p): Fail if no iteration
9399 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9401 * gcc.c: When -fsyntax-only is given, do not complain about
9404 2001-01-15 Richard Henderson <rth@redhat.com>
9406 * config/i386/i386.c (asm_output_function_prefix): Remove.
9407 (ix86_asm_file_end): New.
9408 (load_pic_register): Generate pic_label_name into a
9409 staticly allocated buffer.
9410 * config/i386/i386-protos.h: Update.
9411 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9412 (ASM_FILE_END): New.
9413 * config/i386/i386afe.h: New file.
9414 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9415 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9416 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9417 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9418 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9419 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9420 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9422 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9424 * Makefile.in (install-man): Remove explicit dependency on
9427 * configure.in, configure: Revert previous patch requiring perl
9430 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9432 * toplev.c (flag_guess_branch_prob): New.
9433 (f_options): Add guess-branch-probability option.
9434 (rest_of_decl_compilation): Only estimate branch probability if
9436 (main): set flag_guess_branch_prob.
9438 * flags.h (flag_guess_branch_prob): New.
9440 2001-01-15 DJ Delorie <dj@redhat.com>
9442 * gcc.texi (Makefile): Add documentation for Makefile targets.
9444 2001-01-15 Philip Blundell <philb@gnu.org>
9446 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9448 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9449 (is_pic): Delete declaration.
9450 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9451 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9452 * config/arm/arm.md (builtin_setjmp_receiver): New.
9454 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9456 * arm.c (use_return_insn): Don't try to determine the function type
9457 until after reload has completed.
9458 (arm_output_epilogue): Don't adjust the sp value recovered from the
9460 (emit_multi_reg_push): Don't record dwarf information for the pc.
9461 * arm.md (eh_epilogue): The function type may have changed, so it
9462 needs to be recalculated.
9463 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9464 unwind tables on arm/netbsd.
9466 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9468 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9469 (negated_cbranchsi4): Likewise.
9471 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9473 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9474 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9475 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9476 pass -mapcs-* options to assembler.
9477 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9478 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9479 (ASM_SPEC): Call subtarget_extra_asm_spec.
9481 2001-01-15 Andreas Jaeger <aj@suse.de>
9483 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9485 (ix86_expand_builtin): Likewise.
9487 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9488 warning about comparison between signed and unsigned.
9490 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9492 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9494 2001-01-14 Ralf Baechle <ralf@gnu.org>
9496 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9497 SUBTARGET_CPP_SPEC apropriatly.
9499 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9501 * varasm.c (make_decl_rtl): Fix typo in last change.
9503 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9505 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9506 linker supports the init_priority C++ attribute.
9507 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9508 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9509 linker does not support init_priority C++ attribute.
9511 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9513 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9515 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9517 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9518 * cp/lex.c (finish_parse): Similarly.
9519 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9520 Return the number of errors encountered.
9521 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9522 * cppmain.c (main): Don't call cpp_destroy.
9524 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9526 * configure.in: Require at least perl 5.6.0 to regenerate
9528 * configure: Regenerate.
9530 2001-01-14 Richard Henderson <rth@redhat.com>
9532 * genrecog.c (DT_veclen_ge): New.
9533 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9534 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9535 (nodes_identical_1): Handle DT_veclen_ge.
9536 (write_cond, debug_decision_2): Likewise.
9538 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9540 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9542 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9544 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9546 * cppmain.c (do_preprocessing): New function; most of the old
9548 (main): Call it to do most of the work.
9549 (cb): Move from global scope to set_callbacks ().
9550 (setup_callbacks): Get the callback pointer.
9551 (general_init, printer_init): Clean up code and comments.
9553 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9555 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9558 2001-01-14 Kazu Hirata <kazu@hxi.com>
9560 * config/h8300/h8300.c (get_shift_alg): Update comments.
9562 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9564 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9565 (alloc_page, ggc_alloc): Add casts to remove warnings.
9567 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9569 * combine.c (simplify_comparison): Don't change `code' when
9570 can't reverse comparison.
9572 2001-01-14 Richard Henderson <rth@redhat.com>
9574 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9575 update all call sites. Return true for all non-label constants.
9577 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9579 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9581 (ix86_expand_branch): Update.
9582 (ix86_expand_setcc): Update to handle multiple test conditions.
9583 (expand_int_movcc): Likewise.
9584 (expand_fp_movcc): Likewise.
9585 * i386-protos.h (ix86_expand_compare): New.
9586 * i386.md (andqi_?_slp, orqi_?_slp): New.
9587 (conditional trap expander): Update call to ix86_expand_compare.
9589 2001-01-14 Richard Henderson <rth@redhat.com>
9591 * config/vax/vax.md: Use nonimmediate_operand instead of
9592 general_operand in destinations.
9594 * config/vax/vax.md (indirect_jump): Use register_operand.
9596 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9597 * config/vax/vax.md (call_pop): Turn into an expander.
9598 (call_value_pop): Likewise.
9599 (call, call_value): New.
9601 2001-01-14 Andreas Jaeger <aj@suse.de>
9603 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9605 (ix86_fp_compare_mode): Add unused attribute.
9606 (ix86_expand_fp_movcc): Remove unused variable.
9607 (ix86_expand_builtin): Make fcode unsigned.
9609 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9610 (expand_expr): Add cast to avoid signed warning.
9611 (store_field): Likewise.
9612 (store_constructor_field): Likewise.
9613 (store_constructor): Likewise.
9614 (store_expr): Likewise.
9615 (clear_storage): Likewise.
9616 (emit_group_store): Likewise.
9617 (emit_group_load): Likewise.
9619 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9621 * c-common.c: Move format checking code to ...
9622 * c-format.c: ... here. New file. Reorder some functions and
9624 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9626 * c-common.h (decl_handle_format_attribute,
9627 decl_handle_format_arg_attribute): Declare.
9628 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9629 (c-common.o): Adjust dependencies.
9630 (c-format.o): New list of dependencies.
9632 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9634 * unroll.c (loop_iterations): If we cannot prove iteration variable
9635 is set once in each iteration, punt.
9637 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9639 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9640 (*strlenhi): Remove clobber (which was buggy) of output address.
9642 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9644 * Makefile.in (generated-manpages): Add gcc.1
9645 ($(srcdir)/gcc.1): New target.
9646 (maintainer-clean): Delete $(srcdir)/gcc.1.
9647 * gcc.texi: Add macros @gccoptlist and @gol.
9648 * invoke.texi: Include option summary in manpage. Mark up option
9649 summary with @gccoptlist and @gol. Use @r in one place where
9651 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9652 * gcc.1: Generate from invoke.texi.
9654 2001-01-13 Richard Henderson <rth@redhat.com>
9656 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9657 (struct page_entry): Add group member.
9658 (struct page_group): New.
9659 (struct globals): Add page_groups member.
9660 (alloc_anon): Only define for using mmap; remove valloc call.
9661 (page_group_index): New.
9662 (set_page_group_in_use): New.
9663 (clear_page_group_in_use): New.
9664 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9665 (free_page, release_pages): Likewise.
9666 * configure.in (with-gc): Default to ggc-page always.
9668 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9670 * reload1.c (replace_pseudos_in_call_usage): Use
9671 reg_equiv_constant and reg_equiv_address, and don't try
9672 regno_reg_rtx first.
9674 2001-01-13 Richard Henderson <rth@redhat.com>
9676 * ggc-page.c (alloc_page): Round up allocation size to one page.
9677 Set e->order on extra pages.
9679 2001-01-13 Richard Henderson <rth@redhat.com>
9681 * genrecog.c (nodes_identical): Expand commentary.
9682 (write_switch): Watch out for identical nodes.
9684 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9686 * cppfiles.c (_cpp_fake_include): New function.
9687 * cpphash.h (_cpp_fake_include): New.
9688 * cpplib.c (do_line): Call _cpp_fake_include when entering
9689 header files in preprocessed input.
9690 * cppmain.c (cb_pragma_implementation): Remove handling.
9691 (setup_callbacks): Don't register pragmas.
9693 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9695 * extend.texi: Udate for CPP.
9697 2001-01-13 Andreas Jaeger <aj@suse.de>
9699 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9701 * regmove.c: Add prototype for replace_in_call_usage.
9703 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9705 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9706 struct cpp_chunk, struct htab, struct toklist,
9707 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9708 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9709 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9710 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9711 (struct macro_args): Delete.
9712 * cpphash.h: See above.
9714 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9716 * cppmain.c (struct printer): Remove no_line_dirs.
9718 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9719 : Use options rather than CPP_OPTION.
9720 (setup_callbacks): Use cb rather than pfile->cb.
9721 (main): No need to check for a buffer. Use cpp_errors.
9722 (printer_init): Don't set no_line_dirs.
9723 (maybe_print_line): Use options not no_line_dirs.
9724 (cb_file_change): Don't call print_line if -P.
9726 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9728 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9730 * c-parse.in (finish_parse): Use cpp_errors.
9731 (__yylex): Use return value of cpp_pop_buffer.
9732 * cp/lex.c (finish_parse): Use cpp_errors.
9733 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9735 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9737 * README.AVR: URLs corrected.
9739 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9741 * c-decl.c (start_function): Don't warn if old prototype is builtin
9742 that's not in C's namespace.
9743 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9744 (_bb): Add prototype for ctime.
9745 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9747 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9749 * i386.c (ix86_fp_comparison_arithmetics_cost,
9750 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9751 ix86_fp_comparison_cost): New functions.
9752 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9753 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9754 two-branch sequences; make static.
9755 (ix86_use_fcomi_compare): Do decision according to the costs.
9756 (split_fp_branch): New.
9757 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9758 * i386-protos.h (ix86_expand_fp_compare): Remove
9759 (ix86_split_fp_branch): Declare.
9761 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9762 and ix86_comparison_operator.
9764 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9767 * i386.c (put_condition_code): Output properly the unordered/ordered
9768 compares in fp case.
9769 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9771 * tm.texi (REVERSE_CONDITION): Document.
9772 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9773 in -ffast-math mode.
9774 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9776 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9778 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9780 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9783 * config/sh/sh.c (mova_p): Fix test for mova_const.
9785 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9787 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9788 cpp_get_options rather than dereferencing pfile and using
9790 * scan-decls.c (scan_decls): Use return value of
9791 cpp_pop_buffer rather than CPP_BUFFER.
9793 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9795 * cppinit.c (cpp_handle_option): help_only is now part of the
9796 cpp_options structure.
9797 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9798 cpp_set_callbacks): New functions.
9799 * cpplib.h (cpp_callbacks): Break out as a named structure.
9800 (cpp_options): Move help_only here from cpp_reader.
9801 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9802 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9803 cpp_set_callbacks): New prototypes.
9804 * cppmain.c (main): Update for help_only.
9806 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9808 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9809 Also build and remove and install and uninstall c-tree.info and
9811 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9812 ($(srcdir)/cppinternals.info): New target.
9813 * c-tree.texi: Change file name used when makeinfo used without -o
9814 from ir.info to c-tree.info. Add info directory entry.
9815 * cppinternals.texi: Add info directory entry.
9816 * .cvsignore: Update.
9818 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9820 * c-typeck.c (store_init_value): Don't require constant initializer
9821 elements with -pedantic -std=c99.
9822 (digest_init): Change error about non-constant initializer elements
9824 (constructor_range_end): Remove.
9825 (constructor_incremental, designator_depth,
9826 designator_errorneous): New variables.
9827 (struct constructor_stack): Remove range_end, add incremental.
9828 (struct constructor_range_stack, constructor_range_stack): New.
9829 (struct initializer_stack): Add constructor_range_stack.
9830 (finish_init): Set it.
9831 (start_init): Likewise. require_constant_elements for non-static
9832 trees only if not flag_isoc99.
9833 (really_start_incremental_init): Remove constructor_range_end, add
9834 constructor_incremental.
9835 (pop_init_level): Likewise.
9836 (push_init_level): Likewise. If implicit and the subobject had some
9837 value set already, preinitialize the level with it.
9838 Warn about missing braces only if not pushing due to designators.
9839 (set_designator, push_range_stack): New functions.
9840 (set_init_label): Use them.
9841 (set_init_index): Likewise. Remove constructor_range_end.
9842 Error if designator index is outside of array bounds.
9843 (add_pending_init): Compare values of purpose index trees, not the
9844 trees themselves. Allow overwriting of already initialized element.
9845 Issue a warning if it had side-effects.
9846 (set_nonincremental_init, set_nonincremental_init_from_string): New
9848 (pending_init_member): Rename to...
9849 (find_init_member): ...this function. Call set_nonincremental_init
9850 if necessary. Compare values of purpose index trees, not the trees
9851 themselves. Return the actual value, not just non-zero if something
9853 (output_init_element): Remove checks for duplicates.
9854 If field has zero size, only check the initializer for correctness.
9855 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9856 if constructor_incremental is zero. Change error about initializers
9857 not computable at load time into pedwarn.
9858 (output_pending_init_elements): Compare bit positions, not
9859 FIELD_DECLs to take into account zero-sized fields.
9860 (process_init_element): Use constructor_range_stack to fill all
9861 ranges in the designator lists from current level up.
9862 * extend.texi: Update documentation for labeled elements.
9864 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9866 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9867 to function usage for arguments passed by reference. Optimize
9868 callee-copied arguments.
9869 * regmove.c (replace_in_call_usage): New function.
9870 (fixup_match_1): Call it.
9871 * cse.c (cse_insn): Canonicalize registers in function usage.
9872 * reload1.c (replace_pseudos_in_call_usage): New function.
9875 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9878 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9880 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9883 2001-01-12 DJ Delorie <dj@redhat.com>
9885 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9886 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9889 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9891 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9892 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9893 -std options alongside references to -ansi. Update some
9894 documentation for C99.
9895 * cpp.1: Regenerate.
9897 2001-01-12 Andreas Jaeger <aj@suse.de>
9899 * haifa-sched.c (restore_line_notes): Remove argument block B
9901 * sched-ebb.c (schedule_ebb): Change caller.
9902 * sched-rgn.c (schedule_region): Likewise.
9903 * sched-int.h (restore_line_notes): Adjust prototype.
9905 * loop.h: Remove wrong declaration of doloop_condition_get.
9907 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9909 * extend.texi: Move C++-extension-related node from the C section
9910 into the C++ section.
9912 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9914 * extend.texi: Refer to an array of pointers to functions instead
9915 of one of functions.
9917 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
9918 Jan Hubicka <jh@suse.cz>
9920 * combine.c (reversed_comparison): Fix typo in last patch.
9922 (combine_reversed_comparison_code): Make static to follow
9923 prototype declaration.
9925 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9927 * install.texi: Remove misplaced duplicate entry.
9929 2001-01-11 Ulrich Drepper <drepper@redhat.com>
9931 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9933 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
9935 * final.c: (leaf_function_p): Fix typo.
9937 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
9939 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
9940 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
9942 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
9943 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
9944 mmap_anon, and valloc is available.
9945 * ggc-page.c: Restructure ifdef logic to match new autoconf
9946 spec. Don't throw away the test page in init_ggc.
9948 * configure, config.in: Regenerate.
9950 2001-01-12 Michael Hayes <mhayes@redhat.com>
9952 * loop.h (total_biv_increment): Constify iv_class pointer.
9953 (struct induction): Replace `mem_mode' with `mem' rtx.
9954 * unroll.c (total_biv_increment): Constify iv_class pointer.
9955 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
9956 (find_mem_givs, combine_givs_p): Likewise.
9957 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
9959 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
9961 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
9963 (__gthread_getspecific): Ditto.
9965 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
9967 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
9968 put_condition_code): Convert fp comparison codes to integer
9970 (ix86_expand_fp_compare): Postnote the fp comparison code converison
9973 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9974 * i386-protos.h (no_comparison_operator): Kill.
9976 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9978 * combine.c (REVERSIBLE_CC_MODE): Remove.
9979 (reversible_comparison_p): Remove.
9980 (combine_reversed_comparison_code): New.
9981 (reversed_comparison): New.
9982 (combine_simplify_rtx): Use
9983 combine_reversed_comparison_code/reversed_comparison instead
9984 of reversible_comparison_p.
9985 (simplify_if_then_else): Likewise.
9986 (simplify_set): Likewise.
9987 (simplify_logical): Likewise.
9988 (if_then_else_cond): Likewise.
9989 (known_cond): Likewise.
9990 (simplify_comparison): Likewise.
9992 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9994 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9995 sizeof (int) is larger than sizeof(__word__).
9997 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9999 * cppinit.c (do_includes): Fix typo.
10001 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10003 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
10004 in S_REGS does not occur because not all sources are possible
10005 when a S_REGS is a destination (sometimes needs a clobber).
10006 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
10007 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
10008 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
10009 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
10010 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
10011 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
10012 (lshrdi_const1, lshrsi3_const16): Likewise.
10013 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
10014 (*movhi_68hc12, *movqi_68hc12): Likewise.
10015 (movstrictqi): Make sure reloading in D_REGS as a destination
10018 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10020 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10022 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10024 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
10025 -D, -U and -A, and don't initialize the builtins.
10026 (do_includes): Error if -include or -imacros with -fpreprocessed.
10027 * cppmain.c (cb_define, cb_undef): Unconditionally process
10029 * tradcpp.c (main): Fix typo.
10031 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
10033 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
10034 (read_name_map): Use IS_ABSOLUTE_PATH.
10035 * tradcpp.c (get_filename): Likewise.
10037 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
10039 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
10040 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
10041 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
10042 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
10043 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
10044 (cmphi_z_used): Don't use '@' for the output.
10045 (tstqi_z_used): Likewise.
10046 (cmpqi_z_used): Likewise.
10047 (one_cmplsi2): Likewise.
10049 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10051 * config/sh/sh.c (barrier_align): Recognize branch around far
10052 branch and redundant insn.
10054 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
10056 * invoke.texi: Restore documentation of the drivers' switches -MD
10059 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
10061 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10063 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10064 check-objc//%): Support parallel testing of multilibs.
10065 (TESTSUITEDIR): Set to testsuite by default, but override for
10067 (check-gcc, check-g++, check-g77, check-objc): Enter
10070 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10072 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10073 * sched-deps.c (deps_may_trap_p): Likewise.
10074 * basic-block.h: Remove a comment.
10075 * flow.c (PROP_POSTRELOAD): Remove.
10076 (update_life_info): Don't add it to prop_flags.
10077 (mark_set_1): Lose the code that was enabled by it.
10079 2001-01-11 Michael Hayes <mhayes@redhat.com>
10081 * flow.c (flow_call_edges_add): New.
10082 * basic_block.h (flow_call_edges_add): New.
10084 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10086 * reload1.c (move2add_note_store): Update reg_set_luid even if
10087 base reg remains the same.
10089 2001-01-10 Nick Clifton <nickc@redhat.com>
10091 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10092 machine_function structure to zero.
10093 Add prototypes for machine_status functions.
10095 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10097 * c-common.h (CTI_VOID_LIST): Remove.
10098 (void_list_node): Likewise.
10099 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10100 (void_list_node): New macro.
10101 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10102 * config/i386/i386.c (ix86_init_builtins): Likewise.
10103 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10105 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10107 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10108 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10110 * tradcpp.c: Include mkdeps.h.
10111 (deps, print_deps_phony_targets, deps_append, output_deps,
10112 init_dependency_output, output_deps): New.
10113 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10114 deps_output): Delete.
10115 (print_deps_missing_files): Rename deps_missing_files.
10116 (inhibit_output): Make global.
10117 (main): Delete inhibit_output, deps_stream, deps_target.
10118 Use mkdeps functionality in the same way as cpplib. Remove
10119 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10120 -M and -MM. Remove old handling of deps via deps_out, and
10121 old reading of environment variables.
10122 (get_filename): Update to use deps_add_dep.
10124 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10126 * output.h (make_function_rtl): Remove prototype.
10127 (make_decl_rtl): Likewise.
10128 * varasm.c (make_function_rtl): Remove.
10129 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10130 than from a third parameter.
10131 * tree.h (make_decl_rtl): Remove last parameter.
10132 * c-decl.c (builtin_function): Remove last argument in call to
10133 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10134 (start_function): Likewise.
10135 * except.c (call_get_eh_context): Likewise.
10136 * expr.c (emit_block_move): Likewise.
10137 (clear_storage): Likewise.
10138 * profile.c (output_func_start_profiler): Likewise.
10139 * toplev.c (rest_of_decl_compilation): Likewise.
10140 * objc/objc-act.c (create_builtin_decl): Likewise.
10141 (synth_module_prologue): Likewise.
10142 (generate_static_reference): Likewise.
10143 (build_selector_reference_decl): Likewise.
10144 (build_class_reference_decl): Likewise.
10145 (build_objc_string_decl): Likewise.
10146 (build_protocol_reference): Likewise.
10148 2001-01-10 Richard Henderson <rth@redhat.com>
10150 * hwint.h: Revert yesterday's change.
10152 2001-01-10 Nick Clifton <nickc@redhat.com>
10154 * function.h (save_machine_status): Delete.
10155 (restore_machine_status): Delete.
10156 Amend comment describing {init|mark|free}_machine_status.
10158 * function.c (save_machine_status): Delete.
10159 (restore_machine_status): Delete.
10160 Amend comment describing {init|mark|free}_machine_status.
10161 (push_function_context_to): Remove invocation of
10162 save_machine_status.
10163 (pop_function_context_from): Remove invocation of
10164 restore_machine_status.
10166 * emit-rtl.c (init_emit_once): Amend comment describing
10167 {init|mark|free}_machine_status.
10169 * tm.texi (Per-Function Data): New node. Describe the
10170 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10173 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10175 * cppinit.c (OPT_g): Remove.
10176 (cpp_handle_option): Update for removed -g3.
10177 (print_help): Update.
10178 * cpplib.h (struct cpp_options): Remove debug_output.
10179 * cppmain.c (setup_callbacks, cb_define): Update.
10180 * gcc.c (cpp_options): Translate -g3 to -dD.
10182 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10184 * config/i960/i960.md: Change modifier to + on the zero_extract
10185 pattern after the (rotate -2 reg) canonicalization pattern.
10187 2001-01-10 Richard Henderson <rth@redhat.com>
10189 * config/alpha/alpha.c (alpha_free_machine_status): New.
10190 (override_options): Install it.
10191 (alpha_mark_machine_status): Verify machine non-null.
10192 * config/i386/i386.c (ix86_free_machine_status): New.
10193 (override_options): Install it.
10194 (ix86_init_machine_status): Use xcalloc.
10195 (ix86_mark_machine_status): Verify machine non-null.
10196 * config/ia64/ia64.c (ia64_free_machine_status): New.
10197 (ia64_override_options): Install it.
10198 (ia64_mark_machine_status): Verify machine non-null.
10200 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10202 * function.c (instantiate_virtual_regs): Instantiate virtual
10203 registers found in CALL_INSN_FUNCTION_USAGE.
10205 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10207 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10208 equivalent to -ansi in disabling -Di386.
10210 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10212 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10214 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10216 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10218 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10220 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10222 * invoke.texi: Document that -fcond-mismatch isn't supported for
10225 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10227 * gcc.texi: Define macro gcctabopt.
10228 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10229 @command, @env and @option in some places where appropriate. Use
10230 @gcctabopt where appropriate. Put URLs and email addresses inside
10233 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10235 * gcc.c (cpp_options): Set MD file name from output
10236 filename, if specified.
10237 (suffix_subst): New static variable.
10238 (do_spec): Clear it.
10239 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10241 (give_switch): Handle suffix_subst.
10243 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10245 * invoke.texi: Fix another typo.
10247 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10249 * invoke.texi: Fix typo.
10251 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10253 * c-lang.c (lang_hooks): Update.
10254 (lang_decode_option): Remove.
10255 (lang_init_options): Rename c_init_options.
10256 * toplev.c (main): Use lang_hooks for lang_init_options
10257 and lang_decode_option.
10258 * toplev.h (lang_hooks): Add 2 new hooks.
10259 * tree.h: Remove lang_init_options and lang_decode_option.
10260 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10261 * cp/decl2.c: Similarly.
10262 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10263 (lang_hooks): Update.
10264 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10266 (lang_init_options): Rename ffe_init_options.
10267 (lang_hooks): Update.
10268 (lang_decode_option): Remove.
10269 * java/lang.c (lang_init_options): Rename java_init_options.
10270 (lang_decode_option): Rename java_decode_option.
10271 (lang_hooks): Update.
10272 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10273 (lang_decode_option): Rename objc_decode_option.
10274 (lang_hooks): Update.
10276 2001-01-09 Nick Clifton <nickc@redhat.com>
10278 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10279 (d30v_return_addr_rtx): Delete.
10280 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10281 cfun->machine structure.
10282 (struct machine_function): Move to d30v.h
10283 (d30v_save_machine_status): Delete.
10284 (d30v_restore_machine_status): Delete.
10285 (d30v_init_machine_status): New Function.
10286 (d30v_mark_machine_status): New Function.
10287 (d30v_free_machine_status): New Function.
10288 (d30v_init_expanders): Use new functions.
10289 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10290 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10291 d30v_return_addr_rtx.
10293 * config/d30v/d30v.h (struct_machine): Move here.
10294 Add eh_epilogue_sp_ofs field.
10296 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10297 field in cfun->machine structure.
10299 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10301 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10302 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10303 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10305 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10307 * objc/lang-options.h: Remove bogus reference to
10310 2001-01-09 Kazu Hirata <kazu@hxi.com>
10312 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10315 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10317 * reload.c (find_reloads_address): Check for eliminable registers
10318 when substituting a constant expression for a pseudo.
10320 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10322 * c-common.c (enum format_type): Add format_type_error.
10323 (decode_format_type): New function.
10324 (decl_attributes): Use it.
10325 (format_kind_info): Adjust comment.
10327 2001-01-09 David O'Brien <obrien@BSDi.com>
10329 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10330 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10332 * config/i386/gnu.h: Don't include required platform specific .h files,
10333 tm.h will do it instead.
10334 * config/i386/i386elf.h: Likewise.
10335 * config/i386/linux.h: Likewise.
10336 * config/i386/moss.h: Likewise.
10337 * config/mips/gnu.h: Likewise.
10339 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10341 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10342 (rs6000-ibm-aix3.[01]*): Likewise.
10343 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10344 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10345 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10346 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10347 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10348 (powerpc-*-eabiaix*): Likewise.
10349 (powerpc-*-eabisim*): Likewise.
10350 (powerpc-*-elf*): Likewise.
10351 (powerpc-*-eabi*): Likewise.
10352 (powerpc-*-rtems*): Likewise.
10353 (powerpc-*-linux*libc1): Likewise.
10354 (powerpc-*-linux*): Likewise.
10355 (powerpc-wrs-vxworks*): Likewise.
10356 (powerpcle-wrs-vxworks*): Likewise.
10357 (powerpcle-*-sysv*): Likewise.
10358 (powerpcle-*-elf*): Likewise.
10359 (powerpcle-*-eabisim*): Likewise.
10360 (powerpcle-*-eabi*): Likewise.
10361 (powerpcle-*-solaris2*): Likewise.
10362 * config/rs6000/aix31.h: Delete includes.
10363 * config/rs6000/aix3newas.h: Likewise.
10364 * config/rs6000/aix41.h: Likewise.
10365 * config/rs6000/aix43.h: Likewise.
10366 * config/rs6000/beos.h: Likewise.
10367 * config/rs6000/rtems.h: Likewise.
10368 * config/rs6000/sysv4.h: Likewise.
10370 2001-01-09 Kazu Hirata <kazu@hxi.com>
10372 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10373 Change an argument mode of machine_mode to shift_mode of
10374 shift_mode. Remove an extra error check.
10375 (emit_a_shift): Adopt to the new calling prototype of
10377 (function_prologue): Fix code for a monitor
10378 function. Support H8/S.
10379 (function_epilogue): Do not output pop for a monitor function.
10381 2001-01-09 Nick Clifton <nickc@redhat.com>
10383 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10384 (setup_incoming_varargs): Use sysv_varargs_p field of the
10385 cfun->machine structure.
10386 (struct machine_function): Move to rs6000.h
10387 (rs6000_save_machine_status): Delete.
10388 (rs6000_restore_machine_status): Delete.
10389 (rs6000_init_machine_status): New Function.
10390 (rs6000_free_machine_status): New Function.
10391 (rs6000_init_expanders): Use new functions.
10393 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10395 (struct machine_function): Move here.
10397 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10398 sysv_varargs_p field of the cfun->machine structure.
10400 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10402 (rs6000_restore_machine_status): Remove prototype.
10404 2001-01-09 Richard Henderson <rth@redhat.com>
10406 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10407 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10408 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10409 (sched_analyze_2, sched_analyze_insn): Likewise.
10410 (sched_analyze, init_deps): Likewise.
10411 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10412 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10413 (compute_block_backward_dependences): Update propagate_deps call.
10415 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10417 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10419 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10421 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10422 (cpp_handle_option): Handle them.
10423 (cpp_post_options): Ensure one of -M or -MM is specified with
10424 any other -M? option.
10425 (init_dependency_output): Suppress output with -MG.
10427 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10429 * cpp.texi: Update.
10430 * invoke.texi: Update.
10432 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10434 * sh.md (reload_outsf): Generate recognizable patterns for
10437 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10439 * c-lang.c (lang_hooks): Update.
10440 (lang_init): Rename c_init.
10441 (lang_finish): Remove.
10442 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10443 and lang_finish ().
10444 * toplev.h (lang_hooks): Add init () and finish ().
10445 * tree.h (lang_init, lang_finish): Remove.
10446 * cp/tree.h (lang_init, lang_finish): Remove.
10447 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10448 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10450 (lang_init, lang_finish): Remove.
10451 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10452 (lang_hooks): Update.
10453 * java/lang.c (lang_init): Rename java_init.
10454 (lang_finish): Remove.
10455 (lang_hooks): Update.
10456 * objc/objc-act.c (lang_init): Rename objc_init.
10457 (lang_finish): Remove.
10458 (lang_hoooks): Update.
10460 20001-01-09 Graham Stott <grahams@redhat.com>
10462 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10463 after `ptr` is initialised.
10465 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10467 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10468 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10469 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10470 stack adjusts, instead of r3.
10472 2001-01-09 Michael Hayes <mhayes@redhat.com>
10474 * flow.c (flow_loop_scan): Break out of ...
10475 (flow_loops_find) ... here.
10476 * basic-block.h (flow_loop_scan): New.
10477 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10478 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10480 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10482 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10484 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10485 realloc()ing macro_buffer.
10487 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10488 if it's wider than long and the target's long is wider than the
10491 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10493 Remove support for using UWIN as a host machine.
10494 * configure.in: Issue an error message.
10495 * configure: Regenerated.
10496 * config.gcc: Remove xm_* UWIN configury.
10497 * config/i386/xm-uwin.h: Remove.
10499 2001-01-08 Nick Clifton <nickc@redhat.com>
10501 * config/v850/v850.c (ra_rtx): Delete.
10502 (v850_save_machine_status): Delete.
10503 (v850_restore_machine_status): Delete.
10504 (v850_init_machine_status): New function.
10505 (v850_mark_machine_status): New function.
10506 (v850_free_machine_status): New function.
10507 (v850_return_addr): Use ra_rtx field in machine structure.
10508 (v850_init_expanders): Use new functions.
10510 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10511 * config/v850/v850.c: Change arguments to v850_output+* functions
10512 to take a const char *, to avoid compile time warning.
10513 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10514 (USER_LABEL_PREFIX): Redefine.
10516 2000-01-08 Jim Wilson <wilson@redhat.com>
10518 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10519 1 to unsigned HOST_WIDE_INT before left shift.
10521 2001-01-08 Nick Clifton <nickc@redhat.com>
10523 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10524 the machine structure has been allocated.
10525 (arm_free_machine_status): New function: Free the machine
10526 specific function structure.
10528 2001-01-08 Richard Henderson <rth@redhat.com>
10530 * jump.c (simplejump_p): Revert last change.
10532 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10534 * cppinit.c (init): Rename init_library.
10535 (cpp_create_reader): Update.
10536 * gcc.c (cpp_options): If -o given, use it as the target of
10539 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10541 * arm.c (arm_arch5e): New variable.
10542 (all_cores): XScale is a 5TE device.
10543 (arm_override_options): Set arm_arch5e.
10544 (arm_init_builtins): __builtin_prefetch is in arch5e.
10545 * arm.h (arm_arch5e): Declare it.
10547 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10549 * arm.md (define_constants): Add defines for UNSPEC and
10550 UNSPEC_VOLATILE insns. Update all users.
10551 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10552 * arm.c (multi_register_push, note_invalid_constants)
10553 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10554 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10555 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10557 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10559 * jump.c (jump_optimize_1): Use reversed_comparison_code
10560 instead of can_reverse_comparison_p.
10561 (jump_back_p): Likewise.
10562 (invert_exp_1): Likewise.
10563 (thread_jumps): Likewise.
10564 * simplify-rtx.c (simplify_unary_operation): Likewise.
10565 (simplify_ternary_operation): Likewise.
10566 * cse.c (find_comparison_args): Convert to use
10567 can_reverse_comparison_p.
10568 (record_jump_equiv): Likewise.
10570 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10572 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10573 (EPILOGUE_USES): Define.
10574 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10575 automatically stack the LR if it isn't live.
10577 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10579 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10582 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10584 * ggc-page.c (max_alignment): New structure.
10585 (MAX_ALIGNMENT): New macro.
10586 (init_ggc): Use it to round up the sizes in the
10587 extra_order_size_table.
10589 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10591 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10594 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10596 * builtins.def (BUILT_IN_FPRINTF): New entry.
10598 * c-common.c (c_expand_builtin_fprintf): New function.
10599 (init_function_format_info): Handle __builtin_fprintf.
10600 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10601 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10603 * c-decl.c (duplicate_decls): Adjust comment.
10605 * extend.texi (fprintf): Document new builtin.
10607 2001-01-07 Richard Henderson <rth@redhat.com>
10609 * jump.c (simplejump_p): Recognize any single_set jump
10610 of the proper form.
10612 2001-01-07 Richard Henderson <rth@redhat.com>
10614 * configure.in (slibdir): Accept an --with-slibdir option.
10615 Use "test" not "[" in configure. Default to $(libdir).
10617 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10619 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10620 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10621 (SHLIB_LINK): Create links for the soname.
10622 * config/mips/t-iris6: Likewise.
10623 * config/sparc/t-slibgcc: Likewise.
10624 * config/sparc/t-slibgcc-sld: Likewise.
10626 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10628 * config/i386/i386.c (constant_call_address_operand): Accept
10629 (const (plus (symbol_ref) (const_int))).
10630 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10631 constant_call_address_operand.
10633 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10635 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10636 and LONG_LONG_TYPE_SIZE > 32.
10638 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10640 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10641 the previous change.
10643 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10645 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10647 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10648 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10649 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10652 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10654 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10656 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10658 * c-lang.c (c_post_options): Call cpp_post_options.
10659 * objc/objc-act.c (objc_post_options): Similarly.
10660 * cppmain.c (main): Similarly.
10661 * fix-header.c (read_scan_file): Similarly.
10662 * cppinit.c (cpp_start_read): Move option consistency checks
10663 to cpp_post_options. Don't call init_dependency_output.
10664 If needed, add default target and main file dependency.
10665 (OPT_MD, OPT_MMD): Remove.
10667 (cpp_handle_option): Update for OPT_* changes.
10668 (cpp_post_options): New.
10669 (init_dependency_output): Command line -MF overrides environment
10670 variables. Don't set default target etc. Suppress output
10671 if dependencies are going to stdout.
10672 (print_help): Update.
10673 * cpplib.h (cpp_post_options): New.
10674 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10676 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10678 * jump.c (comparison_dominates_p): Support unordered compares.
10680 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10682 * simplify-rtx.c (simplify_relational_operation): Always simplify
10683 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10686 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10688 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10689 (nonzero_bits): Likewise.
10690 (simplify_comparison): Likewise.
10691 (num_sign_bit_copies): Likewise; return more sane value depending
10692 on STORE_FLAG_VALUE.
10693 (known_cond): Do not assume EQ to be always true for equivalent
10696 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10698 * cse.c (fold_rtx): Handle unordered comparisons.
10700 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10702 * rtlanal.c (set_of_1): New static function.
10703 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10704 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10705 reg_set_last_last_regno): Remove.
10706 (set_of): New global function.
10707 (set_of_data): New structure.
10708 (reg_set_p, reg_set_last): Revamp for set_of.
10709 * rtl.h (set_of): New.
10711 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10713 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10714 * extend.texi: Document _Exit builtin.
10716 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10718 * (initialize, initialize_builtins,
10719 initialize_dependency_output, initialize_standard_includes):
10720 Rename s/initialize/init. Update.
10721 (init_dependency_output): Move to after
10722 cpp_handle_options, the correct location temporally at least.
10723 (opt_comp): Move next to init (), its caller. Fix prototype.
10724 (init): Make "initialized" local scope.
10725 (cpp_create_reader): Always call init ().
10726 (cpp_start_read): Update.
10727 (output_deps): New function, broken out of cpp_finish.
10728 (cpp_finish): Break out output_deps.
10730 2001-01-07 Richard Henderson <rth@redhat.com>
10732 * collect2.c (COFF specific stuff): Revert 12-06 patch
10733 to prototype system functions.
10735 2001-01-07 Michael Hayes <mhayes@redhat.com>
10737 * hard-reg-set.h: Add multiple include guard.
10738 * basic-block.h (struct loop): Add `sink' field.
10739 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10740 (emit_iv_add_mult): Delete.
10741 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10742 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10743 (unroll_loop): Remove end_insert_before argument.
10744 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10745 (maybe_eliminate_biv_1): Likewise.
10746 (emit_iv_add_mult): Delete.
10747 (gen_add_mult, loop_regs_update): New.
10748 (loop_insn_emit_after, loop_insn_emit_before): New.
10749 (loop_insn_sink, loop_insn_sink_or_swim): New.
10750 (emit_iv_add_mult): Delete.
10751 (scan_loop): Set loop->sink.
10752 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10753 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10754 (maybe_eliminate_biv_1): Likewise.
10755 (maybe_eliminate_biv_1): Add basic block argument.
10756 * unroll.c (unroll_loop): Remove end_insert_before argument.
10757 (find_splittable_regs): Likewise.
10758 (find_splittable_regs): Use loop_insn_sink and its ilk.
10759 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10761 2001-01-07 Michael Hayes <mhayes@redhat.com>
10763 * loop.h (loop_insn_hoist): New prototype.
10764 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10765 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10766 (check_dbra_loop, load_mems): Likewise.
10767 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10768 (find_splittable_givs): Likewise.
10770 2001-01-07 Michael Hayes <mhayes@redhat.com>
10772 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10774 2001-01-07 Richard Henderson <rth@redhat.com>
10776 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10778 2001-01-07 Richard Henderson <rth@redhat.com>
10780 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10781 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10782 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10783 variant that handles a shared libgcc.
10784 (process_command): Always validate -{static,shared}-libgcc.
10785 (do_spec_1): New 'M' case.
10786 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10788 2001-01-07 Richard Henderson <rth@redhat.com>
10790 * Makefile.in (slibdir): New variable.
10791 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10792 (installdirs): Create slibdir.
10793 (install-libgcc, install-multilib): Defer to libgcc.mk.
10794 * configure.in (slibdir): Substitute.
10795 * mklibgcc.in (install): New target.
10797 * config/t-linux (SHLIB_LINK): Create links for the soname.
10798 (SHLIB_INSTALL): New.
10799 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10800 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10801 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10802 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10803 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10805 2001-01-07 Richard Henderson <rth@redhat.com>
10807 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10808 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10809 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10811 2001-01-07 Michael Hayes <mhayes@redhat.com>
10813 * loop.c (count_loop_regs_set): Delete.
10814 (load_mems_and_recount_loop_regs_set): Delete.
10815 (loop_regs_scan): Merge common code from count_loop_regs_set,
10816 scan_loop, and load_mems_and_recount_loop_regs_set.
10817 (scan_loop): Call load_mems directly and loop_regs_scan
10818 again if new registers created.
10820 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10822 * toplev.c (main): Call the front-end specific post_options
10823 hook if one is given.
10824 * toplev.h (struct_lang_hooks, lang_hooks): New.
10825 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10826 for the C front end.
10827 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10828 lang_hooks for the C++ front end.
10829 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10830 lang_hooks for the ObjC front end.
10831 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10832 * java/lang.c (lang_hooks): Hooks for the Java front end.
10834 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10836 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10837 for verbose DWARF[2] debugging.
10838 (cb_define, cb_undef): The new callbacks.
10839 * toplev.h (debug_define, debug_undef): Make const correct.
10840 * toplev.c (debug_define, debug_undef): Similarly. Do not
10841 perform the verbosity tests here anymore.
10843 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10845 * reload.c (subst_reloads): Take INSN argument. When
10846 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10847 * reload.h (subst_reloads): Adjust prototype.
10848 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10849 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10850 present in JUMP_INSNs and copy them to JUMP_LABEL.
10851 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10852 JUMP_INSNs and insns with REG_LABELs that are followed by
10853 JUMP_INSNs with the same REG_LABEL.
10854 * sched-rgn.c (is_cfg_nonregular): Likewise.
10855 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10857 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10859 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10861 2001-01-06 Richard Henderson <rth@redhat.com>
10863 * loop.c (scan_loop): Use xcalloc for the regs array.
10864 (load_mems_and_recount_loop_regs_set): Zero the new memory
10865 received from xrealloc.
10867 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10869 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10871 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10873 * integrate.c (copy_rtx_and_substitute): When copying
10874 an ignored return value, strip REG_FUNCTION_VALUE_P.
10876 2001-01-06 Michael Hayes <mhayes@redhat.com>
10878 * loop.c (debug_biv, debug_giv): New.
10879 (loop_biv_dump): Break out from ...
10880 (record_biv): ... here.
10881 (loop_giv_dump): Break out from ...
10882 (record_giv): ... here.
10883 (loop_bivs_check): Use print_simple_rtl.
10884 * unroll.c (loop_iterations): Use print_simple_rtl.
10886 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10888 * pa.md (return, return_internal): Modify patterns to prevent regrename
10889 mucking with the return pointer.
10891 2001-01-05 Richard Henderson <rth@redhat.com>
10893 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10895 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10897 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10898 version supplied by Matteo Frigo.
10900 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10902 * cpp.texi: Update for -MQ.
10903 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10904 (cpp_cleanup): Always free pfile->deps.
10905 (initialize_dependency_output): Don't create pfile->deps.
10906 (cpp_handle_option): Similarly.
10908 * gcc.c (cpp_options): Handle -MQ.
10909 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10910 * mkdeps.c (base_name): Remove.
10911 (deps_init): Don't allocate vector space until it's needed.
10912 (deps_free): Only free vectors if allocated.
10913 (deps_add_target, deps_add_dep): Update for initial allocation.
10914 (deps_add_default_target): Don't strip to the base_name.
10916 2001-01-05 DJ Delorie <dj@redhat.com>
10918 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
10919 (INIT_EXPANDERS): Define.
10921 * config/v850/v850.c (struct machine_function): Define.
10922 (v850_save_machine_status): New function.
10923 (v850_restore_machine_status): New function.
10924 (v850_return_addr): New function.
10925 (v850_init_expanders): New function.
10927 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
10928 and v850_init_expanders.
10930 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10932 * cpplib.h (struct cpp_reader): Add help_only field.
10933 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
10934 (cpp_handle_option): Set pfile->help_only if we see -h,
10935 --help, -target-help, or --version. Print version string but
10936 do not set help_only if we see -v or -version. Make text
10937 printed by -v match that printed by (-)-version.
10939 * cppmain.c (main): Exit after option parsing if
10940 pfile->help_only is true.
10942 * toplev.c (independent_decode_option): Call print_version,
10943 then exit, if we see --version (but not -version).
10944 (print_version): Split lengthy message into two lines.
10946 2001-01-05 Nick Clifton <nickc@redhat.com>
10948 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
10949 temporary string for initialisation before calling ggc_alloc_string.
10951 2001-01-06 Michael Hayes <mhayes@redhat.com>
10953 * rtl.h (print_simple_rtl): New.
10954 * print-rtl.c (print_simple_rtl): New.
10955 (flag_simple): New.
10956 (print_rtx): Disable printing of flags and modes, etc.,
10957 if `flag_simple` nonzero.
10959 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10961 * function.c (fixup_var_refs): Use push_to_full_sequence where
10964 2001-01-05 Michael Meissner <meissner@redhat.com>
10966 * flags.h (flag_reorder_blocks): Add declaration.
10967 (flag_rename_block): Ditto.
10969 2001-01-05 DJ Delorie <dj@redhat.com>
10971 * function.c (reorder_blocks): Make sure the flags are all reset
10972 before using them to mark blocks, else a second invocation will
10973 corrupt the block chain.
10974 (reorder_blocks_0): New, resets the flags.
10976 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10978 * cse.c (find_comparison_args): Stop if the argument is known to
10981 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10983 * config/sh/sh.md (movdf): When splitting load into pair of
10984 registers, don't clobber the register used in the address too
10987 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10989 * varasm.c (mark_constant_pool): Improve initial comments.
10990 (mark_constants): Move marking of constants to mark_constant.
10991 (mark_constant): New function to recursively mark all constants
10992 referred to by a constant.
10994 2001-01-05 Catherine Moore <clm@redhat.com>
10996 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10998 2001-01-05 Phil Edwards <pme@sources.redhat.com>
11000 * cp/lang-options.h: Bring comment in line with reality.
11001 * f/lang-options.h: Likewise.
11002 * java/lang-options.h: Likewise.
11003 * objc/lang-options.h: Likewise.
11004 * ch/lang-options.h: Likewise.
11005 * f/g77.texi: And update the manual.
11007 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
11008 Denis Chertykov <denisc@overta.ru>
11010 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
11011 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
11012 * config/avr/avr.md (all peepholes that request a scratch register):
11013 Call it, FAIL the peephole if not safe (in interrupt functions).
11015 2001-01-05 Mark Mitchell <mark@codesourcery.com>
11017 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
11019 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
11021 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
11023 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
11024 BUILT_IN_CREAL and BUILT_IN_CIMAG.
11025 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
11026 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
11027 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
11029 * extend.texi: Document these builtins.
11031 2001-01-05 Daniel Berlin <dberlin@redhat.com>
11033 * c-common.c (lang_get_alias_set): Say we know nothing of
11034 VECTOR_TYPE aliasing.
11036 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
11038 2001-01-05 Bruce Korb <bkorb@gnu.org>
11040 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
11041 their x* equivalent versions for atexit-less systems
11042 * fixinc/fixincl.c(main): do not return from main() on atexit-less
11043 systems (or any other system any more).
11045 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
11047 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
11048 output operands. Use arm_hard_register_operand for operand 4.
11049 (stmsi_postinc): Similarly.
11050 (ldmsi): Use arm_hard_register_operand for opernand 2.
11051 (stmsi): Similarly.
11052 * arm.c (arm_hard_register_operand): New function.
11053 * arm-protos.h (arm_hard_register_operand): Prototype it.
11055 * arm.h (HARD_REGNO_RENAME_OK): Define.
11057 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
11059 * simplify-rtx.c (cfc_args): add "unordered" field.
11060 (check_fold_consts): Set unordered field.
11061 (simplify_relational_operation): Simplify the unordered
11064 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11067 * emit-rtl.c (try_split): Fix code to mark labels.
11068 * jump.c (mark_jump_label): Make global.
11069 * rtl.h (mark_jump_label): Declare.
11071 * predict.c (estimate_probability): Handle unordred comparisons.
11073 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11075 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11076 * cppinit.c (initialize_dependency_output): Update.
11077 (cpp_finish): Output dummy targets for -MP.
11079 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11080 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11081 * gcc.c (cpp_options): Update to handle -MP.
11082 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11083 to quote only the default target.
11084 (deps_phony_targets): Insert a preceding newline. Rename from
11085 deps_dummy_targets for consistency.
11088 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11090 * calls.c (emit_library_call_value_1): Support
11091 INIT_CUMULATIVE_LIBCALL_ARGS.
11092 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11094 2001-01-04 Richard Henderson <rth@redhat.com>
11096 * c-decl.c (finish_struct): Detect flexible array members
11097 used in an inappropriate context.
11098 * c-typeck.c (really_start_incremental_init): Special case
11099 constructor_max_index for zero length arrays.
11100 (pop_init_level): Allow initialization of flexible array
11101 members. Deprecate initialization of zero length arrays.
11102 Don't issue missing initializer warning for flexible array
11103 members or zero length arrays.
11104 (process_init_element): Don't dereference null DECL_SIZE.
11105 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11106 Don't abort for empty constructors. Use size_binop
11107 (output_constructor): Add commentary regarding zero length
11108 array futures. Abort if we try to initialize an array of
11109 unspecified length with a non-empty constructor in the middle
11112 * extend.texi (Zero Length): Update and clarify documentation
11113 on static initialization.
11115 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11117 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11118 with more than 32767 words of local storage.
11120 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11122 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11123 for 'abs', 'labs', and 'fabs'.
11124 (c4x_expand_builtin): Likewise.
11125 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11127 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11129 * config/sh/sh.md (prget, prset): New insn types.
11130 (return delay slot): Dont' allow prset.
11131 (call, sfunc delay slot): Don't allow prget.
11132 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11133 for prset and prget.
11135 2001-01-05 Michael Hayes <mhayes@redhat.com>
11137 * loop.h (struct loop_reg): New.
11138 (struct loop_regs): Change to use array of `struct loop_reg'.
11139 * loop.c: Replace assortment of varrays with single regs array.
11140 (count_one_set): Delete may_not_move array argument
11141 and use regs array instead. All caller's changed.
11142 (count_loop_regs_set): Delete may_not_move and single_usage
11143 arguments and use regs array instead. All caller's changed.
11144 (find_single_use_in_loop): Replace usage array argument with pointer
11145 to regs structure. All caller's changed.
11146 (loop_optimize): Delete `moved_once' array.
11148 2001-01-05 Michael Hayes <mhayes@redhat.com>
11150 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11151 Use it instead of loop_info->has_call for scanning loop mems.
11152 (check_dbra_loop): Replace loop_info->has_call test with
11153 loop_info->has_nonconst_call.
11155 2000-01-04 Matthew Hiller <hiller@redhat.com>
11157 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11160 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11162 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11163 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11165 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11167 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11168 (flag_short_double, flag_short_wchar): Define.
11169 (c_common_nodes_and_builtins): Create many tree nodes shared
11170 between C and C++ here instead of in cp/decl.c and ...
11171 * c-decl.c (init_decl_processing): ... here.
11172 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11173 (flag_short_double, flag_short_wchar): Don't define.
11174 (record_builtin_type): New function.
11175 (build_void_list_node): New function.
11176 * c-common.h (flag_short_double, flag_short_wchar,
11177 record_builtin_type, build_void_list_node): Declare.
11179 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11181 * integrate.c (expand_inline_function): Don't put a virtual
11182 register into the reg map.
11184 * function.c (fixup_var_refs_1): If force_operand didn't put
11185 the address into the target, move it there.
11187 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11189 Special-case tree_decl/tree_list allocations.
11190 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11191 (OBJECT_SIZE): New macro.
11192 (NUM_EXTRA_ORDER): Likewise.
11193 (extra_order_size_table): New variable.
11194 (NUM_ORDERS): New macro.
11195 (objects_per_page_table): New variable.
11196 (object_size_table): New variable.
11197 (G.pages): Use NUM_ORDERS to bound the array.
11198 (G.page_tails): Likewise.
11199 (DIV_ROUND_UP): Remove.
11200 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11201 (alloc_page): Use OBJECT_SIZE.
11202 (size_lookup): Don't make it const.
11203 (ggc_alloc): Use OBJECT_SIZE.
11204 (ggc_set_mark): Likewise.
11205 (ggc_get_size): Likewise.
11206 (init_ggc): Set up the object_size_table, objects_per_page_table,
11207 and adjust size_lookup.
11208 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11209 (ggc_pop_context): Use NUM_ORDERS.
11210 (clear_marks): Likewise.
11211 (sweep_pages): Likewise.
11212 (poison_pages): Likewise.
11213 (ggc_print_statistics): Use OBJECT_SIZE.
11215 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11217 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11218 Only call array_size_for_constructor if last field and array type
11219 with no upper bound.
11221 2001-01-04 Philip Blundell <philb@gnu.org>
11223 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11224 from bit 31 downwards, if this requires no more insns.
11225 (count_insns_for_constant): New helper function for above.
11227 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11229 * gencodes.c (output_predicate_decls): Remove empty initializer.
11231 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11233 * tree.c (copy_node): Remove documentation about obstacks.
11234 (buidl1): Check that nobody tries to build 2-argument nodes this
11237 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11239 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11242 * gencodes.c (output_predicate_decls): Fill empty initializer
11245 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11247 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11248 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11250 (do_include): Handle missing headers like cpp0.
11251 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11252 paths with first include pathname. Don't strcat to uninitialized
11255 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11257 * regrename.c (regrename_optimize): Don't rename from frame pointer
11258 if frame_pointer_needed.
11259 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11260 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11261 (ia64_reorg): Use it instead of scheduling if ! optimize.
11262 (errata_emit_nops): Properly call asm_noperands.
11263 (ia64_sched_reorder): Finish cycle if we see an asm.
11264 (ia64_variable_issue): Clear scheduling state after asms.
11266 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11268 * cpp.texi: Update for -MT.
11269 * cppinit.c (initialize_dependency_output): Add a default
11270 target if none has been given already.
11271 (no_tgt, OPT_MT): New.
11272 (cpp_handle_option): Handle -MT. Update -M etc.
11273 * cpplib.h (struct cpp_options): Remove deps_target.
11274 * gcc.c (cpp_options): Handle -MT.
11275 * mkdeps.c (struct deps): Move from mkdeps.h.
11276 (deps_calc_target): Rename deps_add_default_target. Add a
11277 default target if none has been specified already.
11278 * mkdeps.h (struct deps): Move to mkdeps.c.
11279 (deps_calc_target): Rename deps_add_default_target.
11281 2000-01-03 Richard Henderson <rth@redhat.com>
11283 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11285 * c-typeck.c (push_init_level): Move checks for flexible array
11286 members and zero length arrays ...
11287 (pop_init_level): ... here. Silently discard empty initializations.
11289 * varasm.c (output_constructor): Update for sizeof change to
11290 zero-length arrays.
11292 * extend.texi (Zero Length): Clarify semantics.
11294 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11296 * configure.in (tm.h): Include isns-codes.h last.
11297 * configure: Rebuilt.
11299 2001-01-03 Richard Henderson <rth@redhat.com>
11301 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11302 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11304 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11306 * tradcpp.c (main): Make sure finclude() is called with a valid
11307 indepth value while handling -include.
11309 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11311 * gencodes.c (output_predicate_decls): New function.
11313 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11314 even if it is not the first time machmode.h is #included.
11315 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11316 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11317 * gcc.texi (Copyright): Added 2001.
11319 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11321 * c-common.c (c_common_lang_init): New function. Warn if format
11322 warning options which only have effects when used with -Wformat
11323 are used without -Wformat.
11324 * c-common.h (c_common_lang_init): Declare.
11325 * c-lang.c (lang_init): Call c_common_lang_init.
11326 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11328 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11330 * configure.in: Check for the mktemp command.
11331 * configure: Regenerate.
11332 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11333 $TEMP. Create temporary files with mktemp, if available at
11334 configure time; otherwise use set -C. Remove temporary files
11337 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11339 * configure.in: Require at least texinfo 4.0. Check for whether
11340 Pod::Man is sufficiently recent to regenerate GCC manpages.
11341 * configure: Regenerate.
11342 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11344 (GENERATED_MANPAGES): Define.
11345 (generated-manpages): New target. Depend on cpp.1 as well as
11347 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11348 configure to generated-manpages or empty) rather than on the
11349 manpages directly. Remove execute permission from installed
11350 gcov.1 as well as cpp.1.
11351 * cpp.1, gcov.1: Regenerate.
11353 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11355 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11356 tree_low_cst. Allow using cmpstrsi in more cases.
11358 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11360 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11363 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11365 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11366 * Makefile.in (HOST_CFLAGS): Mention build-make.
11368 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11370 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11373 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11375 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11378 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11381 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11382 reg_base_value and reg_known_value arrays.
11383 (init_alias_analysis): Add more cases to detect known values.
11384 * sched-deps.c (deps_may_trap_p): New function.
11385 (sched_analyze_2): Use it.
11387 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11389 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11390 don't discard an ASHIFTRT if we're shifting in a wider mode.
11392 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11394 * toplev.c (rest_of_compilation): Don't print basic block information
11395 when CFG isn't up to date.
11397 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11399 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11400 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11401 (UNALIGNED_SHORT_ASM_OP): Define.
11402 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11404 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11406 * fold-const.c (fold_convert): Fix typo.
11408 2001-01-02 Richard Henderson <rth@redhat.com>
11410 * c-common.h (ASM_INPUT_P): New.
11411 * c-parse.in (asm): Set it when needed.
11412 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11413 existance of an operand.
11415 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11417 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11418 (dwarf2out_frame_debug_expr): Likewise.
11419 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11421 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11423 * i386.c (ix86_split_to_parts): Return number of part required;
11425 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11427 (ix86_split_long_move): Use number of part returned
11428 by ix86_split_to_parts
11429 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11431 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11432 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11433 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11434 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11435 (ALIGN_MODE_128): Add TFmode.
11436 (IS_STACK_MODE): Likewise.
11437 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11438 (HARD_REGNO_OK): Support TFmodes.
11439 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11440 * i386.md (scheduler definitions): Use memory operand to determine
11441 fst/fld instructions; use mode attribute to determine real mode of
11443 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11444 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11446 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11448 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11450 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11452 * expr.c (store_constructor_field): Update ALIGN before calling
11455 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11457 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11460 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11462 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11465 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11467 * c-decl.c (start_function): Don't warn on third parameter to main.
11469 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11471 * tsystem.h: Define HAVE_DECL_GETOPT.
11473 2001-01-02 Philip Blundell <pb@futuretv.com>
11475 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11478 2001-01-02 Richard Henderson <rth@redhat.com>
11480 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11482 2001-01-02 Andreas Jaeger <aj@suse.de>
11484 * c-decl.c (c_decode_option): Remove support of
11485 -Wmissing-noreturn.
11487 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11488 (W_options): Add -Wmissing-noreturn here.
11490 * flow.c: Define lang_missing_noreturn_ok_p.
11491 (check_function_return_warnings): Use it.
11493 * c-common.h: Declare lang_missing_noreturn_ok_p.
11495 * c-lang.c (c_missing_noreturn_ok_p): New function.
11496 (lang_init): Set lang_missing_noreturn_ok_p.
11498 * invoke.texi (Warning Options): Document this.
11500 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11502 * extend.texi (C++ Extensions): New node for C++ attributes;
11503 describe init_priority and com_interface.
11504 * invoke.texi: Remove -finit-priority as it now has zero effect.
11505 * install.texi: Fix xref syntax.
11506 * md.texi: Likewise.
11508 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11510 * config.gcc (sparc64-wrs-vxworks*): New case.
11511 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11513 * config/sparc/sparc.c (sparc_override_options): Do support different
11514 pointer and architecture size.
11515 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11516 (POINTERS_EXTEND_UNSIGNED): Define.
11517 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11518 (FUNCTION_MODE): Define to be Pmode.
11519 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11521 * function.c (expand_function_end): Properly handle DECL_RESULT
11522 and copy when ptr_mode != Pmode.
11523 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11525 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11527 * c-common.c (c_common_nodes_and_builtins): Set prototype
11528 parameters for __builtin_fputs, __builtin_fputc and
11529 __builtin_fwrite. Don't declare plain fputc as a builtin.
11531 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11533 * loop.c (add_label_notes): Increment the label usage count when
11534 a note is added to an insn which refers to a CODE_LABEL.
11535 * gcse.c (add_label_notes): Likewise.
11537 2001-01-01 Andreas Jaeger <aj@suse.de>
11539 * loop.c (scan_loop): Use xmalloc to allocate movables.
11541 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11543 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11544 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11545 * reload1.c (REGISTER_MOVE_COST): Likewise.
11546 * regclass.c (REGISTER_MOVE_COST): Likewise.
11547 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11548 dimension. Adjust all users.
11549 (init_reg_sets_1): Iterate on all modes.
11550 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11551 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11552 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11553 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11554 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11555 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11556 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11557 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11558 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11559 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11560 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11561 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11562 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11563 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11564 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11565 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11566 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11567 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11568 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11569 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11570 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11571 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11572 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11573 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11574 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11575 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11576 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11578 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11580 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11581 arg VARIES_P. Call it with extra arg.
11582 (true_dependence): Likewise.
11583 * rtl.h (rtx_addr_can_trap_p): Declare.
11584 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11586 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11587 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11588 pic offset table register if it's zero. All callers changed.
11589 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11591 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11593 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11594 STRING_POOL_ADDRESS_P.
11596 * config/sparc/sparc.c (input_operand): Properly test for short op.
11598 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11599 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11600 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11601 * config/sparc/elf.h: No longer include sol2.h.
11602 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11603 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11605 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11607 2001-01-01 Michael Hayes <mhayes@redhat.com>
11609 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11610 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11611 (record_initial): Likewise.
11612 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11613 (remap_split_bivs): Likewise.
11615 2001-01-01 Michael Hayes <mhayes@redhat.com>
11617 * loop.c (loop_ivs_free): New function.
11618 (strength_reduce): Break out from...
11620 2001-01-01 Michael Hayes <mhayes@redhat.com>
11622 * loop.h (struct iv): New.
11623 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11624 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11625 'reg_biv_class' fields with 'regs' and 'n_regs'.
11626 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11627 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11628 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11630 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11632 * resource.c (mark_referenced_resources): Abort() before
11633 attempting to mark a pseudo register.
11634 (mark_set_resources): Likewise.
11636 2001-01-01 Michael Hayes <mhayes@redhat.com>
11638 * loop.h (REG_IV_CLASS): New accessor macro.
11639 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11640 * unroll.c (REG_IV_CLASS): Likewise.
11642 See ChangeLog.4 for earlier changes.