1 2001-05-23 Mark Mitchell <mark@codesourcery.com>
3 * jump.c (mark_jump_label): Fix thinko in 2001-05-19 change.
5 2001-05-23 Richard Henderson <rth@redhat.com>
7 * function.c (expand_function_start): Always use a pseudo
8 for the function result value.
10 2001-05-22 Richard Henderson <rth@redhat.com>
12 * config/mips/iris6.h (EH_FRAME_SECTION_ASM_OP): Give the
13 section pointer alignment.
15 * doc/install.texi (alpha-linux): Require binutils >= 2.10.
17 * unwind-dw2-fde.c (__deregister_frame_info): Stringize use
18 of __USER_LABEL_PREFIX__.
20 2001-05-22 Richard Henderson <rth@redhat.com>
22 * unwind-dw2-fde.c (__deregister_frame_info): Stubbify in favour of...
23 (__deregister_frame_info_bases): New.
24 * unwind-dw2-fde.h: Declare it.
25 * libgcc-std.ver: Export it.
26 * crtstuff.c (__do_global_dtors_aux): Call it if we would have
27 called __register_frame_info_bases.
29 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
31 * config/freebsd.h (FBSD_CPP_PREDEFINES): Use #endif/#if pair
32 instead of #elif (which is OK for this case but not in general).
34 2001-05-22 Andrew MacLeod <amacleod@redhat.com>
36 * builtins.c (expand_builtin_longjmp): A longjmp can be a call too.
37 * config/ia64/ia64.md (nonlocal_goto): Reverse label and frame pointer
38 parameters to __ia64_nonlocal_goto. Flag as NO_RETURN.
39 * config/ia64/ia64.c (ia64_expand_epilogue): Make sure we are issuing
40 "r2" to the assembly file. Only issue allocs with non-zero parameters.
42 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
43 David O'Brien <obrien@freebsd.org>
45 * config/freebsd.h (LIB_SPEC): Key the exact setting to
46 configure-time options and target version of FreeBSD. Set-up
47 to match architectural change in threading support. Correctly
48 report when -pthread option is not supported by configure-time
50 (FBSD_CPP_PREDEFINES): Move from architecture-specific files
51 and extend to encode target version number in run-time setting
52 of __FreeBSD__ macro to match the system compiler.
53 (CPP_PREDEFINES): Likewise.
54 (PREFERRED_DEBUGGING_TYPE): Change to DWARF2_DEBUG.
56 * config/alpha/freebsd.h (CPP_PREDEFINES): Moved to common freebsd.h.
57 * config/i386/freebsd.h (CPP_PREDEFINES): Likewise.
59 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
60 David O'Brien <obrien@freebsd.org>
62 * config.gcc (the unlabeled system switch statement): Add
63 generic configuration section to handle *-*-freebsd*. Also,
64 to match the system compiler, default to threading support (it
65 may be disabled with the standard --disable-threads
66 configuration-time switch).
67 (i[34567]86-*-freebsd* in machine-specific section): Use it.
68 (alpha*-*-freebsd* in machine-specific section): Likewise.
70 * config/freebsd3.h: New file to expose FBSD_MAJOR macro (3).
71 * config/freebsd4.h: New file to expose FBSD_MAJOR macro (4).
72 * config/freebsd5.h: New file to expose FBSD_MAJOR macro (5).
73 * config/freebsd6.h: New file to expose FBSD_MAJOR macro (6).
74 * config/freebsd-nthr.h: New file to expose FBSD_NO_THREADS macro.
76 2001-05-22 Loren J. Rittle <ljrittle@acm.org>
77 David O'Brien <obrien@freebsd.org>
79 * config/t-freebsd (TARGET_LIBGCC2_CFLAGS): Add -fPIC.
80 * config/t-freebsd-thread (TARGET_LIBGCC2_CFLAGS): Add
81 -pthread instead setting macro.
83 2001-05-22 Richard Henderson <rth@redhat.com>
85 * crtstuff.c (__register_frame_info_bases): Declare.
86 (frame_dummy): Use it, if CRT_GET_RFIB_TEXT or CRT_GET_RFIB_DATA.
87 (__do_global_dtors_aux, __do_global_dtors): Streamline.
89 * config/i386/linux.h (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
90 (CRT_GET_RFIB_DATA): New.
91 * config/i386/sysv4.h: Likewise.
92 * config/i386/sco5.h: Likewise.
93 (ASM_PREFERRED_EH_DATA_FORMAT): New.
95 2001-05-22 Richard Henderson <rth@redhat.com>
97 * rtl.c (read_string): Break out from ...
100 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
102 * doc/install.texi (Specific): Remove a bogus and duplicate part
103 copied from the end of the document.
105 2001-05-22 Bernd Schmidt <bernds@redhat.com>
107 * Makefile.in (LIBGCC_DEPS): Correct LIB1ASMSRC dependency.
109 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
111 * install.texi: Remove obsolete information on SunOS as well as
112 i386-sun-sunos4, i860-intel-osf1, and powerpcle-*-solaris2*.
113 (Installing GNU CC on the Sun): Remove section.
115 2001-05-22 Alexandre Oliva <aoliva@redhat.com>
117 * cppfiles.c (remove_component_p): Don't assume lstat/stat will
118 keep errno unchanged on success.
120 2001-05-22 Joseph S. Myers <jsm28@cam.ac.uk>
122 * c-lex.c (lex_number): If pedantic and not C99, pedwarn exactly
123 once for hexadecimal floats, whether or not they contain a decimal
124 point. Don't let the setting of pedantic otherwise affect the
125 parsing of hexadecimal floats.
127 2001-05-22 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
129 * README.ACORN: Remove obsolete file.
131 2001-05-22 Jan Hubicka <jh@suse.cz>
133 * combine.c (gen_binary): Use swap_commutative_operands_p
134 (simplify_comparison): Likewise.
135 * expmed.c (emit_store_flag): Likewise.
136 * expr.c (compare_from_rtx): Likewise.
137 (do_compare_rtx_and_jump): Likewise.
138 * optabs.c (emit_cmp_and_jump_insn): Revert last patch; abort
139 if not emitting a branch and operands want swapping.
141 2001-05-22 Neil Booth <neil@daikokuya.demon.co.uk>
143 * c-lex.c (c_lex): Just cast cpp's hashnode to gcc's one.
144 * stringpool.c: (IS_FE_IDENT, make_identifier): Delete.
145 (maybe_get_identifier): Update.
146 * tree.h (make_identifier): Delete.
148 2001-05-21 Richard Henderson <rth@redhat.com>
150 * combine.c (subst): Do not substitute for a register as
151 a destination subreg/strict_low_part/zero_extract.
153 * combine.c (simplify_comparison): Update op1 after constant
155 * recog.c (const_int_operand): Accept only constants valid
157 * genrecog.c: Update comments wrt const_int_operand.
159 * emit-rtl.c (init_emit_once): Zero unused memory in a
162 2001-05-21 Mark Mitchell <mark@codesourcery.com>
164 * tree.h (type_num_arguments): Declare it.
165 * tree.c (type_num_arguments): New function.
167 2001-05-21 Richard Henderson <rth@redhat.com>
169 * dwarf2out.c (current_funcdef_number): Move outside dwarf2
172 2001-05-21 Geoff Keating <geoffk@redhat.com>
174 * config/rs6000/rs6000.md (maxsf3): Use rs6000_emit_minmax.
176 (minsf3): Use rs6000_emit_minmax.
177 (minsf3+1): Generalize to handle both SMIN and SMAX. Use
179 (movsfcc): Use rs6000_emit_cmove.
180 (fselsfsf4): Don't compare a CONST_INT with a floating-point value.
181 Don't generate emit_fselsfsf4.
182 (fseldfsf4): Likewise.
183 (maxdf3): Use rs6000_emit_minmax.
185 (mindf3): Use rs6000_emit_minmax.
186 (mindf3+1): Generalize to handle both SMIN and SMAX. Use
188 (movdfcc): Use rs6000_emit_cmove.
189 (fseldfdf4): Don't compare a CONST_INT with a floating-point value.
190 Don't generate emit_fselsfsf4.
191 (fselsfdf4): Likewise.
192 * config/rs6000/rs6000.c (zero_fp_constant): New predicate.
193 (min_max_operator): New predicate.
194 (rs6000_emit_cmove): New function.
195 (rs6000_emit_minmax): New function.
196 * config/rs6000/rs6000-protos.h: Prototype new functions.
197 * config/rs6000/rs6000.h (PREDICATE_CODES): Add zero_fp_constant
198 and min_max_operator.
200 * config/rs6000/rs6000.c (output_cbranch): Handle all
201 conditional types in the switch statement.
203 2001-05-21 Mark Mitchell <mark@codesourcery.com>
205 * c-decl.c (finish_decl): Don't set DECL_C_HARD_REGISTER for
206 non-register variables.
207 * extend.texi: Document that asm-specifications do not make sense
208 for non-static local variables.
210 2001-05-21 Jason Merrill <jason_merrill@redhat.com>
212 * dbxout.c (MINIMAL_DEBUG, flag_minimal_debug): Lose.
213 (dbxout_type_fields): Lose minimal_debug support.
214 (dbxout_type_methods, dbxout_type): Likewise.
216 2001-05-17 Andrew Haley <aph@redhat.com>
218 * config/rs6000/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
220 2001-05-21 Richard Henderson <rth@redhat.com>
222 * dwarf2out.c (DEBUG_FRAME_SECTION): Rename from FRAME_SECTION.
225 2001-05-20 Richard Henderson <rth@redhat.com>
227 * dwarf2out.c (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
228 DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_PUBNAMES_SECTION,
229 DEBUG_STR_SECTION): Rename from s/DEBUG_//. Update all users.
230 * dwarfout.c (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
231 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION):
233 * config/mips/iris6.h (DEBUG_SFNAMES_SECTION, DEBUG_SRCINFO_SECTION,
234 DEBUG_MACINFO_SECTION, DEBUG_PUBNAMES_SECTION, DEBUG_ARANGES_SECTION,
235 DEBUG_FRAME_SECTION, DEBUG_ABBREV_SECTION): Rename as above.
236 (DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
237 * config/ia64/ia64.h (DEBUG_ABBREV_SECTION, DEBUG_ARANGES_SECTION,
238 DEBUG_PUBNAMES_SECTION): Rename as above.
239 (DEBUG_MACINFO_SECTION, DEBUG_LOC_SECTION, DEBUG_STR_SECTION): New.
241 2001-05-20 Richard Henderson <rth@redhat.com>
243 * optabs.c (emit_cmp_and_jump_insns): Don't swap commutative
244 operands unless the operation is commutative.
246 2001-05-20 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
248 * fold-const.c (tree_expr_nonnegative_p): Detect more non-negative
251 2001-05-21 Joseph S. Myers <jsm28@cam.ac.uk>
253 * extend.texi: Clarify documentation of extensions included in ISO
254 C99. Prefer C99 terminology and syntax to old GNU terminology and
255 syntax. Add more index entries. Document mixed declarations and
256 code as an extension in C89 mode. Warn about future changes to
257 semantics of inline functions. Fixes PR other/930.
259 Sun May 20 16:39:24 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
261 * expr.c (expand_expr, case ARRAY_REF): Don't fold constant
262 access if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
263 (expand_expr, case COMPONENT_REF): Do copy if misaligned even
264 if EXPAND_CONST_ADDRESS or EXPAND_INITIALIZER.
266 * stmt.c (expand_decl): Set mode, alignment, and sizes for CONST_DECL.
268 2001-05-20 Richard Henderson <rth@redhat.com>
270 * sched-deps.c (sched_analyze_insn): Force volatile memory reads
271 to be output before a branch.
273 2001-05-20 Richard Henderson <rth@redhat.com>
275 * Makefile.in (dwarf2asm.o): Depend on $(TREE_H).
277 2001-05-20 Richard Henderson <rth@redhat.com>
279 * config/i386/att.h (ASM_SHORT, ASM_LONG): Add trailing \t.
280 (ASM_DOUBLE): Remove.
281 * config/i386/bsd.h, config/i386/sco5.h: Likewise.
282 * config/i386/sun386.h: Likewise.
284 * config/i386/i386.h (UNALIGNED_SHORT_ASM_OP): New.
285 (UNALIGNED_INT_ASM_OP, INT_ASM_OP): New.
287 * config/i386/cygwin.h (INT_ASM_OP): Remove.
288 * config/i386/freebsd-aout.h, config/i386/i386-aout.h: Likewise.
289 * config/i386/i386-coff.h, config/i386/i386-interix.h: Likewise.
290 * config/i386/netbsd.h, config/i386/openbsd.h: Likewise.
292 * config/i386/cygwin.h: Adjust uses of ASM_LONG for trailing \t.
293 * config/i386/djgpp.h, config/i386/i386.h: Likewise.
294 * config/i386/i386elf.h, config/i386/ptx4-i.h: Likewise.
295 * config/i386/sco5.h, config/i386/svr3gas.h: Likewise.
296 * config/i386/sysv4.h, config/i386/vsta.h: Likewise.
297 * config/i386/win32.h: Likewise.
299 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
301 * invoke.texi: Add more options to summary list.
303 2001-05-20 Joseph S. Myers <jsm28@cam.ac.uk>
305 * invoke.texi: Document meaning of -pedantic when -std=gnu* is
306 used. Fixes PR c/2291.
309 2001-05-20 Stephane Carrez <Stephane.Carrez@worldnet.fr>
311 * config/m68hc11/m68hc11.c (m68hc11_override_options): Ignore
312 the -fpic and -fPIC options, clear flag_pic.
314 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
316 * hashtable.c (calc_hash): Fix HASHSTEP definition.
317 * stringpool.c (make_identifier): No statistics here anymore.
318 * objc-act.c (steup_string_decl): Remove redundant check.
320 2001-05-20 Neil Booth <neil@daikokuya.demon.co.uk>
322 * Makefile.in (OBJS, LIBCPP_OBJS, LIBCPP_DEPS,
323 cpplib.o, cpphash.o, fix-header): Update.
324 (hashtable.o): New target.
325 * c-common.h: Include cpplib.h. Define C_RID_CODE and
326 struct c_common_identifier here.
327 * c-lang.c (c_init_options): Update. Call set_identifier_size.
328 * c-lex.c (c_lex): Update.
329 * c-pragma.h: Update.
330 * c-tree.h (struct lang_identifier): Contain c_common_identifier.
332 (C_RID_CODE): Delete.
333 * cpphash.c: Rewrite to use hashtable.c.
334 * cpphash.h: Update include guards.
335 (struct cpp_reader): Remove hashtab.
336 hash_ob and buffer_ob are no longer pointers. Add hash_table
338 (HASHSTEP, _cpp_init_hashtable, _cpp_lookup_with_hash): Delete.
339 (_cpp_cleanup_hashtable): Rename _cpp_destroy_hashtable.
340 (_cpp_cleanup_stacks): Rename _cpp_init_directives.
341 * cppinit.c (cpp_create_reader): Update.
342 * cpplex.c (cpp_ideq, parse_identifier, cpp_output_token): Update.
343 (cpp_interpret_charconst): Eliminate warning.
344 * cpplib.c (do_pragma, do_endif, push_conditional,
345 cpp_push_buffer, cpp_pop_buffer): Update.
346 (_cpp_init_stacks): Rename cpp_init_directives.
347 (_cpp_cleanup_stacks): Remove.
348 * cpplib.h: Update include guards. Include tree-core.h and c-rid.h.
349 (cpp_hashnode, cpp_token, NODE_LEN, NODE_NAME,
350 cpp_forall_identifiers, cpp_create_reader): Update.
351 (C_RID_CODE, cpp_make_node): New.
352 (c_common_identifier): New identifier node for C front ends.
353 * cppmain.c (main): Update.
354 * fix-header.c (read_scan_file): Update.
355 * flags.h (id_clash_len): Make unsigned.
356 * ggc.h (ggc_mark_nonnull_tree): New.
359 * stringpool.c: Update comments and copyright. Update to use
361 * toplev.c (approx_sqrt): Move to hashtable.c.
362 (id_clash_len): Make unsigned.
363 * toplev.h (ident_hash): New.
364 * tree.c (gcc_obstack_init): Move to hashtable.c.
365 * tree.h: Include hashtable.h.
366 (IDENTIFIER_POINTER, IDENTIFIER_LENGTH): Update.
367 (GCC_IDENT_TO_HT_IDENT, HT_IDENT_TO_GCC_IDENT): New.
368 (struct tree_identifier): Update.
369 (make_identifier): New.
371 * cp-tree.h (struct lang_identifier, C_RID_YYCODE): Update.
372 (C_RID_CODE): Remove.
373 * lex.c (cxx_init_options): Call set_identifier_size. Update.
374 (init_parse): Don't do it here.
376 * objc-act.c (objc_init_options): Call set_identifier_size. Update.
378 Sat May 19 18:23:04 2001 Richard Henderson <rth@redhat.com>
380 * except.c (dw2_build_landing_pads): Use word_mode, not Pmode,
382 (expand_eh_return): Convert between word_mode and Pmode.
383 * unwind-dw2.c (extract_cie_info): Do not assume words and pointers
385 (execute_stack_op): Likewise.
386 (execute_cfa_program): Likewise.
387 (uw_frame_state_for): Likewise.
388 (uw_update_context_1): Likewise.
389 * unwind.inc (_Unwind_Reason_Code): Likewise.
390 * config/mips/mips.h (EH_RETURN_DATA_REGNO): Define.
391 (EH_RETURN_STACKADJ_RTX): Likewise.
392 * config/mips/mips.c (compute_frame_size): Make space for saving
394 (mips_expand_epilogue): Handle EH stack adjustments.
395 * config/mips/mips.md (eh_return): New pattern.
396 (eh_set_lr_si): Likewise.
397 (eh_set_lr_di): Likewise.
398 Add splitter to perform EH return after reload.
400 2001-05-19 Mark Mitchell <mark@codesourcery.com>
402 * jump.c (mark_jump_label): Tidy previous change.
404 2001-05-19 Bruce Korb <bkorb@gnu.org>
406 * fixinc/genfixes: no need for two warnings
407 * fixinc/Makefile.in: open stdin for those building with a closed one.
409 2001-05-19 Mark Mitchell <mark@codesourcery.com>
411 * jump.c (jump_optimize_1): Tidy.
412 (mark_jump_label): When changing the label in a LABEL_REF, change
413 update any REG_EQUAL notes as well.
415 2001-05-19 Joseph S. Myers <jsm28@cam.ac.uk>
417 * c-parse.in (parm_declarator): Split into
418 parm_declarator_starttypename and parm_declarator_nostarttypename.
419 (parm_declarator_starttypename, parm_declarator_nostarttypename):
420 New. Allow parenthesised sub-declarators which don't begin with a
421 TYPENAME. Fixes PR c/166.
423 2001-05-19 Mark Mitchell <mark@codesourcery.com>
425 * defaults.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER): New
427 * tm.texi (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
429 * toplev.c (main): If the target does not allow profiling without
430 a frame pointer, issue an error message.
431 * config/i386/linux.h (TARGET_ALLOWS_PROFILING_WITHOUT_FRAME_POINTER):
434 Sat May 19 07:53:42 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
436 * recog.c (general_operand): Modify last change to allow it if reload
439 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
441 * recog.c (general_operand): Prohibit nonzero subreg bytes on
442 subregs containing mem.
444 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
446 * regrename.c (regrename_optimize): frame pointer register can
449 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
451 * README.DWARF: Move into dwarfout.c.
453 2001-05-18 Dale Johannesen <dalej@apple.com>
455 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
456 specific misuse of r0 as a reload address.
458 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
460 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
463 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
465 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
466 (add_to_sequence): Make that decision type.
467 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
468 (write_switch, write_cond, debug_decision_2): Likewise.
470 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
472 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
475 2001-05-18 Stan Shebs <shebs@apple.com>
477 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
478 * configure: Regenerate.
480 2001-05-18 Per Bothner <per@bothner.com>
482 Changes needed for java/jvspec.c
483 * gcc.h (n_infiles, outfiles): Add declarations.
484 * gcc.c (n_infiles, outfiles): Mske no longer static.
486 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
488 * config/pa/som.h (EXCEPTION_SECTION): Define.
490 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
492 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
494 Add have_location_lists, a variable to determine whether we need a
495 .debug_loc section or not.
496 (enum dw_val_class): Add dw_val_class_loc_list.
497 (dw_val_struct): Add val_loc_list.
498 (dw_loc_list_struct): New structure, represents location lists.
499 (new_loc_list): New function, return a new location list, given
500 the range and location expression.
501 (add_loc_descr_to_loc_list): New function, add a location
502 expression to a location list, given the expression and range.
503 (output_loc_list): New function, output a location list.
504 (gen_internal_sym): Modified to take symbol prefix, so we can
505 reuse it for location list symbols.
506 (add_AT_loc_list): New function, add a location list to a DIE at
508 (AT_loc_list): New function, return the location list reference
509 for a given attribute, if it's a location list.
510 (print_die): Handle dw_val_class_loc_list.
511 (size_of_die): Ditto.
512 (value_format): Ditto.
514 (output_location_lists): New function, output all of the location
515 lists for a DIE and it's children.
516 (dwarf2out_finish): Call output_location_lists if we have location
520 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
522 * gcse.c (try_replace_reg): First try global replace, later try to
523 simplify the expression.
525 * gcse.c (find_used_regs): Change calling convention; work via
527 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
529 2001-05-18 Bernd Schmidt <bernds@redhat.com>
532 2001-02-09 Nick Clifton <nickc@redhat.com>
533 * config/arm/arm.md: Change output constraint on post inc
534 load/store multiple patterns to be a read/write constraint.
536 2001-05-18 Mark Mitchell <mark@codesourcery.com>
538 * basic-block.h (struct basic_block_def): Add documentation about
539 what a basic block is, and what the various fields are used for.
540 * flow.c (calculate_globlal_regs_live): Add documentation about
541 how the algorithm works, and how we know that it will terminate.
542 Check that the the inductive assumption that guarantees
543 termination actually holds.
544 (mark_used_regs): Treat conditionally set registers as used.
545 (debug_regset): Add comment.
546 * rtl.texi (cond_exec): Add documentation.
548 * function.c (expand_function_start): Avoid creating BLKmode
551 2001-05-17 Mark Mitchell <mark@codesourcery.com>
553 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
554 DIE, even if it has no children.
555 (dwarf2out_finish): Always output the line-number table, even if
558 2001-05-18 David Edelsohn <edelsohn@gnu.org>
560 * rs6000.md (movsfcc,movdfcc): Remove NE case.
562 2001-05-17 Bruce Korb <bkorb@gnu.org>
564 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
565 * fixinc/genfixes: emit a warning if AutoGen is out of date
567 2001-05-17 Brendan Conoboy <blc@cygnus.com>
568 Bruce Korb <bkorb@gnu.org>
570 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
571 found in fixinc directory. Facilitates binary distributions.
573 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
575 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
578 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
580 * dwarf2out.c (modified_type_die): Equate qualified type to die.
582 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
584 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
585 (simplify_subreg): Handle complex types represented as CONCAT.
587 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
588 * rtl.h (swap_commutative_operands_p): Declare.
589 * rtlanal.c (swap_commutative_operands_p): New.
590 (operand_preference): New static function.
592 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
593 (gen_binary): Likewise.
594 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
595 * simplify-rtx.c (simplify_gen_binary,
596 simplify_gen_relational): Likewise.
598 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
600 * cse.c (fold_rtx): Use simplify_subreg.
602 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
603 (simplify_gen_subreg): New.
604 (simplify_rtx): Use simplify_subreg.
605 * rtl.h (simplify_gen_subreg): Declare.
607 2001-05-17 Mark Mitchell <mark@codesourcery.com>
609 * doc/install.texi: Update Solaris information.
611 * except.h (protect_cleanup_actions): Remove it.
612 (lang_protect_cleanup_actions): Declare it.
613 * except.c (protect_cleanup_actions): Remove it.
614 (lang_protect_cleanup_actions): New variable.
615 (init_eh): Don't make protect_cleanup_actions a GC root.
616 (expand_eh_region_and_cleanup): Call
617 lang_protect_cleanup_actions.
618 (output_function_exception_table): Remove unused `align'
620 * varasm.c (assemble_external): Abort if we have not yet
621 opened the assembly output file.
623 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
625 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
626 for eh_personality_libfunc.
628 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
630 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
631 when calling simplify_subreg. This is needed to allow replacing
632 of expression of one mode by expression of different mode.
634 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
636 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
638 2001-05-17 Bernd Schmidt <bernds@redhat.com>
640 * expr.c (protect_from_queue): Protect against subsequent calls to
642 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
645 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
647 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
649 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
651 * gccbug.in (CATEGORIES): Add "bootstrap".
653 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
655 * simplify-rtx.c (simplify_subreg): Break out from ...
656 * combine.c (combine_splify_rtx) ... here and ...
657 * recog.c (validate_replace_rtx_1): ... here;
658 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
659 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
660 (subreg_lowpart_p): ... here.
662 2001-05-17 Bernd Schmidt <bernds@redhat.com>
664 * stmt.c (expand_asm_operands): For inout operands, make sure
665 the substitution of '=' for '+' makes it into the rtl.
667 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
668 (reload_as_needed): Call update_eliminable_offsets a bit later.
670 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
672 * gcc.texi (gccbug): Refer to the web pages for detailed information
675 2001-05-16 Zack Weinberg <zackw@stanford.edu>
677 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
679 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
680 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
681 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
682 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
683 * cross-make: Don't set LIBGCC1.
684 * mklibgcc.in: Delete all code for building from libgcc1.c.
685 Always honor LIB1ASMFUNCS if set.
687 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
688 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
689 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
690 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
691 config/i386/uwin.asm, config/m68hc11/larith.asm,
692 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
693 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
694 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
695 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
696 Delete or update references to libgcc1 in commentary.
698 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
699 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
700 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
701 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
702 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
703 config/arm/t-semi, config/arm/t-strongarm-coff,
704 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
705 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
706 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
707 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
708 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
709 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
710 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
711 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
712 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
713 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
714 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
715 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
716 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
717 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
718 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
719 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
720 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
721 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
722 config/mips/t-ultrix, config/mn10200/t-mn10200,
723 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
724 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
725 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
726 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
727 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
728 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
729 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
730 config/sparc/t-sparclite, config/sparc/t-splet,
731 config/sparc/t-sunos41, config/sparc/t-vxsparc,
732 config/sparc/t-vxsparc64, config/v850/t-v850:
733 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
735 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
736 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
737 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
738 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
739 nongcc_SI_type, nongcc_word_type, or perform_*
740 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
742 * config/i386/386bsd.h, config/i386/beos-elf.h,
743 config/i386/linux-aout.h, config/i386/linux-oldld.h,
744 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
745 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
746 Don't include i386/perform.h.
748 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
749 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
750 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
751 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
752 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
753 config/vax/t-openbsd, config/vax/t-vax: Delete.
755 * config.gcc: Remove references to deleted files.
756 (arm-semi-aof): Use arm/t-semi for tmake_file.
758 * gcc.texi, install.texi, invoke.texi, tm.texi:
759 Delete or rewrite text which is no longer relevant now that
760 libgcc1 no longer exists.
762 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
763 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
765 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
766 Bruce Korb <bkorb@gnu.org>
768 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
771 2001-05-16 Zack Weinberg <zackw@stanford.edu>
773 * i386.md: Add two peepholes to clean up code generated by
776 2001-05-16 Richard Henderson <rth@redhat.com>
778 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
779 variants of non-absolute encodings.
781 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
783 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
784 __register_frame_info_table_bases): Export.
786 2001-05-16 Richard Henderson <rth@redhat.com>
788 * except.c (eh_data_format_name): Move to ...
789 * dwarf2asm.c: ... here. Use designated initializers if available.
790 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
791 * dwarf2asm.h: Update declarations.
792 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
793 ASM_PREFERRED_EH_DATA_FORMAT.
794 (output_call_frame_info): Likewise. Use 'L' augmentation for
797 * unwind-dw2-fde.h (struct fde_vector): New.
798 (struct old_object): Rename from struct object.
799 (struct object): New.
800 (__register_frame_info_bases): Declare.
801 (__register_frame_info_table_bases): Declare.
802 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
803 * unwind-dw2-fde.c (objects): Remove.
804 (unseen_objects, seen_objects): New.
805 (__register_frame_info_bases): New.
806 (__register_frame_info): Use it.
807 (__register_frame_info_table_bases): New.
808 (__register_frame_info_table): Use it.
809 (__deregister_frame_info): Rewrite for changed object struct.
810 (base_from_object, get_cie_encoding, get_fde_encoding): New.
811 (fde_unencoded_compare): Rename from fde_compare; uninline.
812 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
813 (start_fde_sort): Adjust for new definition of fde_vector.
814 (fde_insert): Likewise.
815 (end_fde_sort): Likewise. Select comparison function based
816 on properties of the object.
817 (fde_split): Take object and fde_compare_t arguments.
818 (frame_heapsort, fde_merge): Likewise.
819 (classify_object_over_fdes): Rename from count_fdes. Handle
820 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
822 (add_fdes): Handle encoded pointers.
823 (init_object): Rename from frame_init. Update for new struct object.
824 (linear_search_fdes): Rename from search_fdes. Handle encoded
826 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
827 (binary_search_single_encoding_fdes): New.
828 (binary_search_mixed_encoding_fdes): New.
829 (search_object): New.
830 (_Unwind_Find_FDE): Update for new struct object. Fill in
832 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
833 iterating over EH data.
834 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
835 fde_encoding, lsda_encoding.
836 (read_uleb128, read_sleb128): Remove.
837 (read_encoded_pointer): Remove. All callers use read_encoded_value.
838 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
839 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
841 * unwind-pe.h: Add "struct" to _Unwind_Context references.
843 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
845 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
846 * cpphash.c (_cpp_lookup_with_hash): Similarly.
847 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
848 cpp_spell_token, cpp_output_token): Similarly.
849 * cpplib.c (lex_macro_node, do_undef, do_pragma,
850 do_pragma_poison, parse_assertion, do_assert): Similarly.
851 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
852 save_parameter, _cpp_create_definition, check_trad_stringification,
853 cpp_macro_definition): Similarly.
854 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
855 * c-lex.c (cb_undef, c_lex): Similarly.
856 * fix-header.c (recognized_function): Similarly.
857 * cpplib.h (NODE_LEN, NODE_NAME): New.
858 (cpp_hashnode): Rename length len.
860 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
862 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
865 2001-05-16 Andreas Jaeger <aj@suse.de>
867 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
869 * toplev.c: Include dwarf2asm.h for prototype of
870 dw2_output_indirect_constants.
872 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
874 * stmt.c (expand_asm_operands): Be able to offload addressof
875 expression to memory. (PR optimization/185)
877 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
879 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
880 applying distributive law.
882 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
884 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
886 * gthr-dce.h (UNUSED): Attribute unused macro.
887 (__gthread_key_dtor): Make arguments UNUSED.
888 (__gthread_key_delete): Revise for compatibility with DRAFT4
891 2001-05-16 David Edelsohn <edelsohn@gnu.org>
893 * doc/install.texi: Update AIX information.
894 * README.RS6000: Remove obsolete file.
896 2001-05-16 Jakub Jelinek <jakub@redhat.com>
897 Nathan Sidwell <nathan@codesourcery.com>
899 * gcc.c (give_switch): Don't write before start of string.
900 Always append suffix.
902 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
904 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
907 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
909 * README.ALTOS: Remove obsolete file.
911 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
913 * c-lex.h (save_and_forget_protocol_qualifiers,
914 forget_protocol_qualifiers, remember_protocol_qualifiers):
915 Remove deleted functions' prototypes.
917 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
919 * c-parse.in (methodtype): New production.
920 (methoddef, methodproto): Collapse separate '-' and '+'
923 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
925 * c-common.h (RID_FIRST_PQ): New.
926 * c-parse.in (objc_pq_context): New.
927 (objc parser): Set objc_pq_context rather than calling
928 remember_protocol_qualifiers and forget_protocol_qualifiers.
929 Don't call save_and_forget_protocol_qualifiers.
930 (yylexname): Handle objc protocol qualifiers here.
931 * stringpool.c (struct str_header): Replace with sp_hashnode.
932 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
933 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
934 Allocate an IDENTIFIER_NODE for each identifier.
935 (FORALL_STRINGS, set_identifier): Delete.
936 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
937 (ggc_alloc_string): Use an obstack.
938 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
939 * tree.h: Update comments.
940 (set_identifier): Delete.
941 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
942 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
943 remember_protocol_qualifiers): Delete.
945 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
947 * flow.c (life_analysis): After life analysis is complete, do
948 an optional scan over insns looking for REG_LABEL notes that
949 reference a deleted label.
950 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
951 before peeking at LABEL_NUSES.
953 2001-05-15 Richard Henderson <rth@redhat.com>
955 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
956 (_Unwind_GetTextRelBase): New.
958 2001-05-15 Mark Mitchell <mark@codesourcery.com>
960 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
962 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
964 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
965 so that CHOOSE_SECTION gets used.
967 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
968 TARGET_RELOCATABLE like flag_pic for now.
970 2001-05-15 David Edelsohn <edelsohn@gnu.org>
972 * rs6000.md (movdi splitter): Sign extend more efficiently.
973 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
974 to "long long" valid on 32-bit and 64-bit hosts.
975 (logical_operand): Cast trunc_int_for_mode return value.
976 (rs6000_emit_move): Shift macro to encapsulate variable.
977 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
978 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
979 plus_constant requires signed argument.
981 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
983 * gthr-posix.h: Make additional pthread-* functions weak.
985 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
987 * recog.c (apply_change_group): Avoid unneeded validating.
989 2001-05-14 David Edelsohn <edelsohn@gnu.org>
991 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
992 (num_insns_constant): CONST_INT can be 64-bits.
994 2001-05-14 Stan Shebs <shebs@apple.com>
996 * config/darwin.h (LIB_SPEC): Just use -lSystem.
997 (LIBGCC_SPEC): Don't define.
999 2001-05-14 Richard Henderson <rth@redhat.com>
1001 * configure.in (gcc_cv_as_eh_frame): New test.
1002 * config.in, configure: Rebuild.
1003 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
1005 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1007 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
1008 extended precision divide.
1010 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
1012 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
1013 for RETURNS as well.
1015 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
1017 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
1018 (CPP_CPU??_SIZE_TYPE): New.
1019 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
1020 (CPP_CPU_SPEC): ... here; support choosing of CPU.
1021 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
1022 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
1024 * i386.c (override_options): Add sorry about not suported modes.
1026 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
1028 * config/pa/som.h (NM_FLAGS): Remove.
1029 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
1030 (ASM_OUTPUT_SECTION_NAME): Remove.
1031 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
1033 2001-05-14 Mark Mitchell <mark@codesourcery.com>
1035 * regrename.c (regrename_optimize): Do not rename registers to
1038 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
1040 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
1041 contain MEMs. Remove useless distinction about clobbering
1044 2001-05-13 Geoff Keating <geoffk@redhat.com>
1046 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
1047 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
1048 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
1049 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
1050 (EXCEPTION_SECTION): Define.
1052 2001-05-13 Zack Weinberg <zackw@stanford.edu>
1054 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
1055 binary backward compat only.
1056 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
1057 in LIB2FUNCS. Pass it to mklibgcc.
1058 * mklibgcc.in: Handle LIB2FUNCS_ST.
1060 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
1062 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
1064 * tm.texi (THREAD_MODEL_SPEC): Document it.
1065 * gcc.c (main): Use it.
1066 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
1067 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
1069 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1071 * rtl.h (SYMBOL_REF_WEAK): New macro.
1072 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
1073 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
1074 * rtl.texi (SYMBOL_REF_WEAK): Document it.
1075 * gcc.texi: Remove wrong description.
1077 2001-05-13 Mark Mitchell <mark@codesourcery.com>
1079 * Makefile.in (STAMP): New macro.
1080 Replace all uses of `touch' with $(STAMP).
1081 * fixinc/Makefile.in: Likewise.
1083 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1085 * configure.in: ldopen is never in -lexc, so don't test for it.
1086 Add test for exc_resume in -lexc for Ada.
1087 * configure: Regenerated.
1089 2001-05-12 Richard Henderson <rth@redhat.com>
1091 * dwarf2asm.c (size_of_encoded_value): New function.
1092 * dwarf2asm.h: Declare it.
1093 * except.c (output_function_exception_table): Align the TType
1094 array only as wide as the encoding.
1096 2001-05-12 Zack Weinberg <zackw@stanford.edu>
1098 * extend.texi: Document #pragma GCC java_exceptions.
1100 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1102 * c-parse.in (bison parser, init_reswords): Remove uses of
1104 * c-tree.h (doing_objc_thang): Remove.
1106 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1108 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
1109 about files not ending in newlines.
1111 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
1113 * dwarfout.c (dwarfout_init): Add cast.
1114 * sched-deps.c (sched_analyze_insn): Remove unused vars.
1115 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
1117 * method.c (build_mangled_C99_name): Remove unused prototype.
1119 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1121 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
1123 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
1125 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
1126 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
1128 2001-05-11 Richard Henderson <rth@redhat.com>
1130 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1131 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
1132 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
1133 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
1134 (dw2_output_indirect_constants): Prototype.
1135 * dwarf2out.c (dwarf2out_begin_prologue): Generate
1136 current_function_func_begin_label if we'll need it for EH. Exit
1137 early for IA64_UNWIND_INFO.
1138 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
1139 (eh_data_format_name): Update for indirect references.
1140 (output_function_exception_table): Care for IA64_UNWIND_INFO.
1141 Handle ASM_PREFERRED_EH_DATA_FORMAT.
1142 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
1143 define HAVE_eh_return etc.
1144 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
1145 (final_end_function): Don't call output_function_exception_table.
1146 * toplev.c (compile_file): Call dw2_output_indirect_constants.
1147 (rest_of_compilation): Invoke output_function_exception_table
1148 for ia64 before assemble_end_function.
1149 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
1150 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
1152 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
1153 * unwind.h: Declare them.
1154 * libgcc-std.ver: Export them.
1155 * unwind-pe.h: New file.
1157 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
1159 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
1161 (find_fde_for_dso): Extract DT_PLTGOT.
1162 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
1163 the segment and gp as well.
1164 * config/ia64/frame-ia64.c: Remove file.
1165 * config/ia64/frame-ia64.h: Remove file.
1166 * config/ia64/unwind-ia64.c: New file.
1167 * config/ia64/unwind-ia64.h: New file.
1168 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
1169 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
1170 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
1171 (ASM_PREFERRED_EH_DATA_FORMAT): New.
1172 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
1173 (IA64_UNWIND_INFO): Re-enable.
1174 (HANDLER_SECTION): Remove.
1175 (EH_RETURN_DATA_REGNO): New.
1176 * config/ia64/ia64.md (exception_receiver): Remove.
1177 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
1178 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
1180 2001-05-11 Richard Henderson <rth@redhat.com>
1182 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
1183 calls and jumps to be bundled together.
1184 (ia64_reorg): Emit a break after a noreturn call that ends
1186 * config/ia64/ia64.md (break_f): New.
1188 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
1190 * c-lex.c (lex_charconst): Convert into a simple wrapper
1191 around cpp_interpret_charconst, to which most of the code
1193 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
1194 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
1195 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
1196 (lex): Use cpp_interpret_charconst.
1197 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
1198 hex_digit_value): New functions.
1199 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
1200 * cpplib.h (cpp_interpret_charconst): New prototype.
1201 * Makefile.in: Update.
1203 2001-05-12 Dean Wakerley <dean@wakerley.com>
1205 * doc/install.texi: New file. Converted to texinfo from the HTML
1206 documentation in wwwdocs/htdocs/install.
1208 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
1210 * gcse.c (insert_insn_end_bb): Do not search for assignments to
1211 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1213 * toplev.c (compile_file): Move comment for opening output
1214 file to just before the code that opens the output file.
1216 2001-05-11 Jakub Jelinek <jakub@redhat.com>
1218 * regmove.c (regmove_optimize): Suppress the optimization for
1219 unchanging destination register. Add comment above function.
1221 2001-05-11 Zack Weinberg <zackw@stanford.edu>
1223 * Makefile.in: Exterminate all references to assert.h.
1224 * cross-make: Likewise.
1226 * configure.in: Correct commentary.
1227 * configure: Regenerate.
1229 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
1232 * config/t-freebsd, config/t-linux, config/t-linux-aout,
1233 config/t-netbsd, config/t-rtems, config/x-linux,
1234 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
1235 No need to override INSTALL_ASSERT_H.
1237 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
1238 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
1239 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
1241 2001-05-11 Graham Stott <grahams@redhat.com>
1243 * combine.c (simplify_comparison): Fix typo.
1245 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1247 * loop.h (struct movables): Remove `num'.
1248 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
1249 Adjust call to strength_reduce.
1250 (num_unmoved_movables): New function.
1251 (move_movables): Don't set movables->num.
1252 (strength_reduce): Compute the number of instructions in the loop
1253 here, rather than in the caller.
1254 (check_dbra_loop): Always clear reversible_mem_store if there
1255 are any memory sets.
1256 (loop_regs_scan): Don't count instructions here.
1257 (count_insn_in_loop): New function.
1259 2001-05-11 Mark Mitchell <mark@codesourcery.com>
1261 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
1263 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
1265 * c-common.c (finish_label_expr): New function, lifted from
1266 from cp/semantics.c.
1267 * c-common.h (finish_label_expr, lookup_label): New prototypes.
1268 * c-parse.in: Move 3 blocks of parser code into new functions.
1269 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
1270 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
1271 (lookup_label): Remove.
1273 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
1275 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
1276 FLOAT_BIT_ORDER_MISMATCH.
1278 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1280 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
1281 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
1283 2001-05-10 David Edelsohn <edelsohn@gnu.org>
1285 * expr.c (emit_group_load): extract_bit_field requires a REG or
1288 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
1290 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
1291 a computed jump into an unconditional jump.
1292 In second hunk of code for collapsing computed and conditional jumps
1293 into unconditional jumps, reemit the jump in additional cases.
1295 * jump.c (jump_optimize_1): Do not wrap the new jump target
1296 inside a LABEL_REF; gen_jump will do that automatically.
1298 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
1300 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
1301 contents for a SYMBOL_REF in case of floating point constants.
1303 2001-05-10 DJ Delorie <dj@redhat.com>
1305 * c-common.c (combine_strings): Widen strings in a
1306 host-endian-independent way.
1308 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
1310 * c-parse.in: Remove many shift/reduce conflicts. Update
1312 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
1313 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
1314 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
1315 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
1316 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
1317 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
1318 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
1319 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
1320 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
1321 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
1322 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
1323 typespec_reserved_nonattr, typespec_reserved_attr,
1324 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
1325 structsp_nonattr, components_notype, component_notype_declarator,
1326 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
1327 firstparm, setspecs_fp): New
1328 (typed_declspecs, reserved_declspecs, typed_typespecs,
1329 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
1330 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
1331 declmods_no_prefix_attr, nonempty_type_quals, structsp,
1332 type_quals): Remove. Users updated.
1333 (initdecls, notype_initdecls, after_type_declarator,
1334 parm_declarator, notype_declarator, absdcl1, components, ivars):
1335 Don't allow attributes at the start of a declarator; include them
1336 in the production containing the declarator instead. Always
1337 require type specifiers before trying to redeclare a typedef name.
1338 (typename): Allow for attributes but warn that they are ignored.
1339 (parmlist, firstparm, setspecs_fp): Include attributes in
1340 parmlist; suck them off the parser stack in firstparm using
1343 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
1345 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
1346 to determine if a block has an unconditional jump at its end.
1348 * jump.c (jump_optimize_1): When converting a conditional jump
1349 to an unconditional jump, build the jump using gen_jump instead
1350 of just modify operands in-place.
1352 2001-05-09 Zack Weinberg <zackw@stanford.edu>
1354 * cppinit.c (cpp_post_options): Shut off macro expansion if
1356 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
1357 IN_I directives only if the # is in column 1 and the directive
1358 name begins in column 2.
1359 * cppmain.c (scan_buffer): Insert a space between # and an
1360 identifier, when that identifier is a directive name.
1362 * tradcpp.c (struct file_buf): Add a pointer to the next entry
1363 in the header search path.
1364 (enum node_type): Add T_INCLUDE_NEXT.
1365 (directive_table): Add entry for include_next.
1366 (do_include_next): New function.
1367 (process_include): New routine, broken out of do_include.
1368 (finclude): Insert 'nhd' argument, to be copied into
1369 next_header_dir of the new buffer.
1370 (main): Adjust to match.
1371 * gsyslimits.h, limity.h: Un-indent #include_next.
1373 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
1375 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
1376 inclusion as a chapter of the GCC manual.
1377 * gcc.texi: Include objc.texi.
1378 * fdl.texi: Use @unnumberedsec for the addendum.
1379 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
1381 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
1383 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
1385 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
1387 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
1388 handling of two-address insns.
1390 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
1392 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
1393 ../binutils/nm-new instead of ../binutils/nm.
1395 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
1397 * i386.md (movdi splitter): Fix the splitting condition
1398 (float_extenddftf splitter): Fix mode.
1400 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
1402 * genrecog.c (write_switch): Avoid outputting of switch for
1403 types wider than int.
1405 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
1407 * reload1.c (copy_eh_notes): New function.
1408 (emit_input_reload_insns): Call it.
1409 (emit_output_reload_insns): Call it.
1411 2001-05-07 Zack Weinberg <zackw@stanford.edu>
1413 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
1415 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
1416 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
1418 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
1420 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
1422 * pa.md (interspace_jump): Revise comment.
1423 (builtin_longjmp): Block initial setup insns from delay slot of
1425 (builtin_setjmp_receiver): New expander to save and restore PIC
1428 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
1430 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
1432 * toplev.c (compile_file): Set up the output file before we call
1433 the various initializers for the compiler.
1435 * except.c (sjlj_mark_call_sites): Do not search for assignments to
1436 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
1438 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
1439 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
1441 2001-05-06 Zack Weinberg <zackw@stanford.edu>
1443 * Makefile.in (tradcpp0): Correct typo in dependency list.
1445 2001-05-06 Geoff Keating <geoffk@redhat.com>
1447 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1448 the link register if we're not going to use it.
1450 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1451 (output_function_profiler): Likewise.
1453 2001-05-07 Alan Modra <amodra@one.net.au>
1455 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1457 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1459 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1460 zero-extend it. Make abs_inc unsigned.
1462 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1463 widest mode in narrowing and widening operations.
1465 * config/mips/mips.md: Sign extend CONST_INTs.
1467 2001-05-06 Andreas Jaeger <aj@suse.de>
1469 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1470 (i386 Options): Document -momit-leaf-frame-pointer.
1472 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1474 * c-typeck.c (internal_build_compound_expr): Check for
1475 array to pointer conversion just once.
1477 2001-05-05 Richard Henderson <rth@redhat.com>
1479 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1481 2001-05-05 Richard Henderson <rth@redhat.com>
1483 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1484 to the parent of the fixup region.
1486 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1488 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1490 * cpp.texi (__NO_INLINE): Document it.
1492 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1494 * cppfiles.c (struct include_file): New member err_no.
1495 (find_or_create_entry): Set it.
1496 (open_file): Don't set fds to -2. Instead, use err_no to
1497 remember previous errors, if any.
1499 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1501 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1502 between X and Y by using sequences of xgdx and xgdy.
1504 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1506 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1507 of '!' for the 'D' alternative ('!' is too strong).
1508 ("*logicalsi3_silshl16"): Likewise.
1509 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1510 ("movstrictsi"): Remove spurious '+'.
1511 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1512 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1513 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1516 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1518 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1520 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1522 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1525 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1527 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1530 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1532 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1533 soft register, use ror instead of rol.
1535 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1537 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1538 into account pre/post increment decrement for 68HC12.
1539 Fix other problems in replacement and fix call to reg_mentioned_p.
1541 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1543 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1544 Put the soft registers in bss for 68HC12.
1545 (L_regs_d3_4): New for _.d3 and _.d4.
1546 (L_regs_d5_6): Likewise.
1547 (L_regs_d1_2): Likewise.
1548 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1550 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1552 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1553 to the pre-processor when -fshort-double is specified.
1554 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1556 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1558 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1559 (__mulsi3): Rewrite for 68HC12.
1560 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1561 Mark 'x' constraint with earlyclobber to prevent a
1562 RELOAD_FOR_OTHER_ADDRESS to go in it.
1563 (mulhi3_m68hc12): New pattern.
1564 (mulhi3_m68hc11): Rename of mulhi3.
1565 (mulhi3): New expand for 68HC12 optimisation.
1566 (umulhisi3, mulhisi3): New patterns for 68HC12.
1568 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1570 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1571 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1572 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1574 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1576 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1577 constants cheap after reload.
1578 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1580 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1581 so that gcc prefers a shift by 16.
1582 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1584 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1586 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1588 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1590 * alpha.h: NULL_PTR -> NULL.
1597 * i386.md: Likewise.
1600 * m68hc11.h: Likewise.
1601 * rs6000.h: Likewise.
1604 * sparc.h: Likewise.
1608 * final.c: Likewise.
1610 * recog.c: Likewise.
1612 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1614 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1615 `bool' parameter to `int'.
1617 * hash.c (hash_lookup): Likewise.
1619 * hash.h (hash_lookup): Likewise.
1621 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1623 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1625 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1627 2001-05-03 Geoff Keating <geoffk@redhat.com>
1629 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1630 -malign-loops, -malign-functions.
1631 * i386.c (ix86_align_funcs): Delete.
1632 (ix86_align_loops): Delete.
1633 (ix86_align_jumps): Delete.
1634 (override_options): Mark -malign-* as obsolete. Emulate their
1635 behaviour with the -falign-* options. Default -falign-* from
1636 the processor table.
1637 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1638 patch of Wed May 2 13:09:36 2001.
1639 (LOOP_ALIGN): Delete.
1640 (LOOP_ALIGN_MAX_SKIP): Delete.
1641 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1642 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1644 2001-05-04 Andreas Jaeger <aj@suse.de>
1646 * except.h: Add prototype declaration for
1647 expand_builtin_init_dwarf_reg_sizes.
1649 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1651 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1653 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1655 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1657 ("bitcmpqi2"): New pattern for bit-extract and test.
1658 ("bitcmphi"): New pattern for bitb/bita instructions.
1660 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1662 * gccbug.in: Use a temporary directory when the mktemp command is
1665 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1667 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1669 (INITIALIZE_TRAMPOLINE): Call it.
1670 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1671 (TRAMPOLINE_TEMPLATE): Remove.
1672 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1673 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1676 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1678 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1679 and crtendS.o with PIC.
1681 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1683 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1685 (___subdi3, ___adddi3): Use x instead of y as index register.
1686 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1687 (__memset, __memcpy): Likewise.
1688 (regs): Put the soft registers in bss for 68HC12.
1689 (abort): Use trap to abort for 68hc12.
1690 (__mulhi3, __mulhi32): Use emul for 68hc12.
1691 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1693 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1695 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1696 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1697 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1698 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1699 Set 68HC12 min offset to -65536.
1700 (print_operand): Put parenthesis arround the operand if it refers
1701 to a symbol having the same name as a register.
1702 (m68hc11_z_replacement): When z register is replaced by its
1703 equivalent soft register, force the insn to be re-recognized.
1704 (m68hc11_check_z_replacement): Fix the test when destination is
1705 the index register and z dies in the insn.
1706 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1708 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1710 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1711 costs according to processor variant.
1712 (m68hc11_shift_cost): New function to compute shift costs.
1713 (m68hc11_rtx_costs): Define costs according to processor variant.
1714 (m6811_cost): Costs for 68HC11.
1715 (m6812_cost): Costs for 68HC12.
1716 (COSTS_N_INSNS): Remove.
1718 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1719 (DEFAULT_RTX_COSTS): Remove.
1720 (CONST_COSTS): Define costs according to OUTER_CODE.
1721 (processor_costs): New struct to define costs.
1722 (m68hc11_cost): Pointer to current costs.
1724 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1726 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1727 and use m68hc11_notice_keep_cc when using leax/leay.
1728 (addhi3 split): Reject split if the insn is handled by
1730 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1731 push must be handled in a special way if the source operand uses
1732 sp as index register.
1733 (m68hc11_notice_keep_cc): New function.
1734 (m68hc11_gen_movhi): Use it when an insn changes a register but
1736 (m68hc11_gen_movqi): Fix move for 68HC12.
1737 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1739 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1741 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1742 and don't pass operands[0] to emit_library_call_value.
1744 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1746 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1747 (zero_extendsi split): Simplify and use (zero_extendhi).
1748 (*addhi3): Remove 'w' constraint since stack pointer is handled
1750 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1751 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1752 (*ashrhi3_const): Fix shift by 7.
1753 (*lshrsi3_const16): Fix template.
1754 (call, call_value): Fix constraint and predicate.
1756 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1758 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1759 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1760 (CC_REGNUM): Likewise.
1761 (*unnamed splits): Use above constants instead of hard coded numbers.
1762 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1763 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1764 (*return_16bit, *unnamed peepholes): Likewise.
1766 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1768 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1769 rs6000/rs6000.h twice.
1771 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1773 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1774 (CPP_SPEC): Conditionally define MSDOS and GO32.
1775 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1776 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1778 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1780 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1782 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1784 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1786 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1787 * integrate.c (expand_inline_function): Use xcalloc to allocate
1789 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1792 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1794 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1797 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1799 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1800 linker if -mrelax is given.
1801 (TARGET_SWITCHES): Document -mrelax.
1803 Re-installed 2001-01-09's patch:
1804 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1805 if it's wider than long and the target's long is wider than the
1808 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1810 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1811 directly include rs6000/rs6000.h. Instead do it in tm.h.
1813 2001-05-02 Stan Shebs <shebs@apple.com>
1815 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1816 NSConstantString for NeXT-style runtimes.
1817 (STRING_OBJECT_GLOBAL_NAME): New macro.
1818 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1819 OCTI_STRING_CLASS_DECL.
1820 (constant_string_global_id): New macro.
1821 (string_class_decl): Ditto.
1822 (setup_string_decl): New function.
1823 (build_objc_string_object): Use it to build a NeXT runtime
1824 compatible string initializer.
1826 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1828 * tradcpp.c (do_define): Make sure we don't walk past limit.
1830 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1832 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1833 offsets if not REG_OK_STRICT.
1835 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1836 (INT_REG_OK_FOR_INDEX_P): Likewise.
1837 (INT_REG_OK_FOR_BASE_P): Likewise.
1838 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1839 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1840 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1841 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1842 REG_OK_FOR_BASE_P. Take an additional parameter.
1843 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1844 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1845 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1846 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1847 rs6000_legitimate_address() and use it.
1848 * config/rs6000/rs6000.c: Update all callers.
1849 (rs6000_legitimate_address): New function.
1851 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1853 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
1854 special_constant conditional blocks together.
1856 2001-05-02 Dale Johannesen <dalej@apple.com>
1858 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1860 (STRICT_ARGUMENT_NAMING): Define.
1861 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1862 function_arg_partial_nregs, setup_incoming_varargs): Remove
1863 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1866 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1868 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
1870 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1873 * expr.c (store_field): Do nothing except elaborate side-effects if
1876 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1878 * c-lex.c: NULL_PTR -> NULL.
1880 * emit-rtl.c: Likewise.
1882 * genpeep.c: Likewise.
1884 * mips-tdump.c: Likewise.
1885 * reload1.c: Likewise.
1886 * rtlanal.c: Likewise.
1888 * stor-layout.c: Likewise.
1889 * toplev.c: Likewise.
1891 2001-05-01 Per Bothner <per@bothner.com>
1893 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1894 call do_pending_stack_adjust before emiting label.
1896 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1898 * extend.texi: Fix typo.
1900 2001-05-01 Stan Shebs <shebs@apple.com>
1902 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1903 of UOBJC_MODULES_decl.
1904 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1905 (generate_descriptor_table): Ditto.
1906 (generate_protocols): Ditto.
1907 (generate_protocol_list): Ditto.
1908 (generate_classref_translation_entry): Ditto.
1910 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1912 * invoke.texi (Optimize Options): Add documentation for `--param
1913 max-delay-slot-insn-search' and `--param
1914 max-delay-slot-live-search' and reorder --param section.
1915 * params.def: Modify initial comment.
1916 * params.h (param_info): Add `help' member.
1917 * toplev.c (lang_independent_params): Include `help' description.
1918 (display_help): Print --param parameters.
1920 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1922 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1923 Remove references to deleted files.
1924 (*-*-openbsd): No need to override xmake_file.
1925 (*-*-sysv4): Treat like *-*-sysv.
1927 * configure.in: Probe for ldopen in various places, and set up
1928 collect2 to be linked with them if found.
1929 Don't dink with Windows registry stuff unless $host_os is a
1930 Win32 os name. Check to see if we need -ladvapi32.
1931 * configure: Regenerate.
1933 * Makefile: Get rid of CLIB and HOST_CLIB.
1934 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1935 * build-make: Get rid of HOST_CLIB.
1937 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1938 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1939 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1940 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1941 config/rs6000/x-rs6000: Delete.
1943 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1946 24 x-host fragments remain, 0 x-cpu, 3 top level.
1948 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1950 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1951 * configure: Regenerate.
1953 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
1955 * Makefile.in (install-headers): Remove redundant dependency.
1957 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1959 * c-tree.texi (USING_STMT): Document.
1961 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1963 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1964 * c-common.c: Likewise.
1965 * c-decl.c: Likewise.
1966 * combine.c: Likewise.
1967 * rs6000.c: Likewise.
1968 * except.c: Likewise.
1969 * explow.c: Likewise.
1971 * fold-const.c: Likewise.
1972 * function.c: Likewise.
1975 * integrate.c: Likewise.
1977 * objc/objc-act.c: Likewise.
1978 * recog.c: Likewise.
1979 * reg-stack.c: Likewise.
1980 * reload.c: Likewise.
1981 * reload1.c: Likewise.
1982 * simplify-rtx.c: Likewise.
1984 * varasm.c: Likewise.
1986 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1988 * diagnostic.def: New file.
1989 * diagnostic.h (diagnostic_t): New enum.
1990 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1992 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1994 * tsystem.h: Test only POSIX for availability of string.h
1996 * config.gcc (all systems): If USG appeared in xm_defines,
1997 change it to POSIX. If both USG and POSIX appeared, just
1998 delete USG. Remove unnecessary quotes around xm_defines
2000 (m68k-crds-unos*): Don't #define unos - tested nowhere.
2001 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
2002 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
2003 powerpc-*-linux*): No need to set xm_defines - handled by
2004 global settings for *-*-linux*.
2006 2001-04-30 Zack Weinberg <zackw@stanford.edu>
2008 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
2009 Always include gstab.h, not system stab.h. Don't provide
2010 default definitions of N_CATCH or N_OPT. Always use the
2011 gstab.h variant of STAB_CODE_TYPE.
2012 * final.c: Don't include stab.h/gstab.h at all, or provide
2013 defaults for N_SLINE and N_SOL.
2015 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
2016 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
2018 * sdbout.c: Always include gsyms.h instead of system syms.h.
2020 * configure.in: No need to check for stab.h.
2021 * configure, config.in: Regenerate.
2022 * Makefile.in (final.o): Don't depend on gstab.h.
2024 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2025 Richard Henderson <rth@redhat.com>
2027 * extend.texi: Improve documentation of volatile asms.
2029 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2031 * c-tree.texi: Fix thinko.
2032 * gcc.texi: Likewise.
2034 2001-04-30 Richard Henderson <rth@redhat.com>
2036 * c-common.c (c_promoting_integer_type_p): New function, from the
2037 corpse of old macro. Properly promote too-small enumerations and
2038 booleans. Adjust all callers.
2039 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
2040 (c_promoting_integer_type_p): Declare.
2041 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
2042 * c-typeck.c: Likewise.
2043 (default_conversion): Remove now redundant boolean check.
2045 2001-04-30 Jan Hubicka <jh@suse.cz>
2046 Richard Henderson <rth@redhat.com>
2048 * regmove.c (try_apply_stack_adjustment): Remove now redundant
2050 (combine_stack_adjustments_for_block): Don't combine stack
2051 allocation followed by deallocations. Handle grow-up stacks.
2053 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2055 * fdl.texi: New file.
2056 * c-tree.texi: Use the GFDL.
2057 * gcc.texi: Likewise.
2059 2001-04-30 Stan Shebs <shebs@apple.com>
2061 * invoke.texi: Add a section documenting Objective-C options.
2063 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
2065 * emit-rtl.c (try_split): Copy EH notes to sequence.
2067 2001-04-30 Mark Mitchell <mark@codesourcery.com>
2069 * regmove.c (record_stack_memrefs): Catch all references to the
2072 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
2074 * Makefile.in (stmp-fixinc): quote shell assignment values
2076 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2078 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
2082 * prefix.c: Likewise.
2084 2001-04-28 Stan Shebs <shebs@apple.com>
2086 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
2087 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
2088 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
2089 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
2091 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
2092 (NEXT_OBJC_RUNTIME): Define.
2094 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
2096 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
2097 * simplify-rtx.c (simplify_gen_relational): Likewise.
2099 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
2101 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
2102 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
2104 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
2105 registers in SSE case; fix handling of the immediates.
2106 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
2107 operands to be in regsiters before reload.
2108 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
2109 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
2110 (abstf,absxf,negtf,negxf splitters): Compute
2111 properly the regnum for x86_64.
2112 (avsdf2_if_rex64): New.
2114 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
2116 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
2117 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
2118 into the constant pool.
2119 * jump.c (jump_optimize_1): Remove barrier successors after all
2120 the LABEL_NUSES counds have been computed.
2121 (delete_barrier_successors): When deleting a tablejump insn, also
2122 delete the jump table it uses.
2123 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
2126 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
2128 * pa.c (FRP): Remove erroneous white space in macro definition.
2130 2001-04-28 Andreas Jaeger <aj@suse.de>
2132 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
2134 * extend.texi: Likewise.
2135 * tm.texi: Likewise.
2137 2001-04-28 Andreas Jaeger <aj@suse.de>
2139 * md.texi: Use XX-bit instead of XXbit or XX bit where
2142 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
2144 * gcc.c (process_command): Allow -l lib in addition to -llib
2145 for POSIX compliance. This fixes PR c/2347.
2147 * invoke.texi: Update section on Link Options accordingly.
2149 2001-04-27 Zack Weinberg <zackw@stanford.edu>
2151 * function.c (purge_addressof_1): Remove the duplicate
2152 if (code == SET) block. Fold the two if (code == ADDRESSOF)
2155 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
2157 * except.c (expand_eh_region_start): Don't start a new block.
2158 (expand_eh_region_end): Don't end a block.
2159 * stmt.c (expand_end_bindings): Don't end EH blocks.
2160 (expand_decl_cleanup): Starting an EH region won't change the block.
2161 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
2162 (is_eh_region): Lose.
2165 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
2167 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
2169 * collect2.c (main): Add `-L' case to remove duplicate entries.
2170 (is_in_args): New function to check for a duplicate argument.
2171 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
2172 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
2173 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
2174 Define to be nonzero.
2176 2001-04-27 Andreas Jaeger <aj@suse.de>
2177 Richard Henderson <rth@redhat.com>
2179 * md.texi (Machine Constraints): Document additional i386
2180 constraints and fix description of "A".
2182 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
2184 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
2186 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
2188 * except.c (get_exception_filter): word_mode, not Pmode.
2190 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
2192 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
2193 common to other movsf patterns. Move up so that in future
2194 people who change the other patterns will change it too.
2195 (movsf_lo_sum): Allow even for soft-float; add appropriate
2197 (movsf_high): Likewise.
2198 (movsf_high+1): Allow even for soft-float.
2200 * function.c (expand_function_end): Always clobber the
2201 return registers, even if there is no return label.
2203 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
2205 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
2207 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
2209 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
2210 (pushqi2_rex64, pushhi2_rex64): Add.
2212 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
2214 * except.c (expand_eh_region_end_cleanup): Force pending stack
2215 adjust before emitting label that branches around cleanup code.
2217 2001-04-26 H.J. Lu (hjl@gnu.org)
2219 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
2221 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
2223 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
2224 (ASM_OUTPUT_SECTION_NAME): Likewise.
2225 (ASM_WEAKEN_LABEL): Likewise.
2226 (UNIQUE_SECTION): Likewise.
2227 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2228 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2229 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
2230 (ASM_OUTPUT_SECTION_NAME): Likewise.
2231 (ASM_WEAKEN_LABEL): Likewise.
2232 (UNIQUE_SECTION): Likewise.
2233 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
2234 (ASM_OUTPUT_DESTRUCTOR): Likewise.
2235 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
2236 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
2237 (ASM_FILE_START): Likewise.
2238 (ASM_OUTPUT_SOURCE_LINE): Likewise.
2239 (ASM_DECLARE_OBJECT_NAME): Likewise.
2240 (ASM_FILE_END): Likewise.
2241 (ASM_DECLARE_FUNCTION_NAME): Likewise.
2242 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
2243 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
2244 (ASM_OUTPUT_CASE_LABEL): Likewise.
2245 (ASM_OUTPUT_SKIP): Likewise.
2246 (ASM_OUTPUT_ASCII): Likewise.
2247 (ASM_OUTPUT_IDENT): Likewise.
2248 (READONLY_DATA_SECTION): Likewise.
2249 (EXTRA_SECTIONS): Likewise.
2250 (EXTRA_SECTION_FUNCTIONS): Likewise.
2251 (SELECT_RTX_SECTION): Likewise.
2252 (SELECT_SECTION): Likewise.
2254 * config/mips/linux.h (INVOKE__main): Undefine.
2255 (CTOR_LIST_BEGIN): Likewise.
2256 (CTOR_LIST_END): Likewise.
2257 (DTOR_LIST_BEGIN): Likewise.
2258 (DTOR_LIST_END): Likewise.
2259 (SET_ASM_OP): Defined it to ".dummy".
2260 (ASM_OUTPUT_DEF): Defined.
2261 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
2263 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
2265 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
2266 assembler supports .p2align.
2268 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
2270 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
2272 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2274 * integrate.c (expand_inline_function): Check for error_mark_node
2277 2001-04-26 Jakub Jelinek <jakub@redhat.com>
2279 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
2282 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
2284 * configure.in (configargs.h): Define thread_model.
2285 * configure: Rebuilt.
2286 * gcc.c (main): Print it with -v.
2288 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
2290 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
2291 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
2292 * gcc.1: Regenerate.
2294 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2296 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
2297 is_redundant_typedef): Use static inline instead of inline static.
2299 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
2301 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
2302 this directory is always searched.
2304 2001-04-25 Richard Henderson <rth@redhat.com>
2306 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
2307 of registers to restore along non eh_return path.
2309 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2311 * c-format.c (check_format_info_recurse): Handle
2312 PLUS_EXPR for format string.
2314 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2316 * config/ia64/ia64.h (CC1_SPEC): Define.
2317 * config/ia64/linux.h (CC1_SPEC): Define.
2319 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
2321 * emit-rtl.c (constant_subword): Also do sign extension in
2322 BITS_PER_WORD == 16 case.
2324 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
2326 * loop.c (try_swap_copy_prop): Go back to checking insn.
2328 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2330 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
2331 if check_mode is non-zero.
2333 2001-04-25 Jakub Jelinek <jakub@redhat.com>
2335 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
2336 out and comparison sequence has been detected, put result into
2337 proper temporary pseudo.
2339 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2341 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
2342 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
2343 * libgcc2.c: Remove __dummy and __builtin_saveregs.
2344 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
2345 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
2346 for future reference.
2348 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
2350 * except.c (reachable_handlers): Step out one level from a RESX.
2352 * except.c (struct eh_region): Rename 'last' to 'resume'.
2353 (mark_eh_region, duplicate_eh_region_1): Adjust.
2354 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
2355 (build_post_landing_pads): Likewise.
2356 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
2357 (expand_eh_region_end_must_not_throw): Likewise.
2358 (connect_post_landing_pads): Thread (only) regions with non-deleted
2361 * except.c (expand_eh_region_end_cleanup): Save the EH return data
2362 registers around the cleanup.
2363 (get_exception_filter): New fn.
2364 (finish_eh_generation): Use it.
2366 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
2368 * c-semantics.c (add_scope_stmt): Don't call
2369 current_scope_stmt_stack multiple times.
2371 2001-04-24 Zack Weinberg <zackw@stanford.edu>
2372 Nathan Sidwell <nathan@codesourcery.com>
2374 Lazy __FUNCTION__ generation.
2375 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
2376 RID_C99_FUNCTION_NAME): New _RIDs.
2377 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
2378 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
2379 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
2381 (function_id_node, pretty_function_id_node, func_id_node): Remove.
2382 (c99_function_name_decl_node, function_name_decl_node,
2383 pretty_function_name_decl_node, saved_function_name_decls):
2385 (struct language_function): Remove x_function_name_declared_p.
2386 (make_fname_decl): Remove a parameter.
2387 (declare_function_names): Remove prototype.
2388 (start_fname_decls, finish_fname_decls): Prototype.
2389 (fname_as_string): Likewise.
2390 (fname_string, fname_decl): Likewise.
2391 * c-common.c (make_fname_decl): Adjust.
2392 (struct fname_var_t): New struct.
2393 (fname_vars): New static array.
2394 (declare_function_name): Remove.
2395 (start_fname_decls, finish_fname_decls): New functions.
2396 (fname_as_string): New function from remnants of
2397 declare_function_name.
2398 (fname_string, fname_decl): New functions.
2400 * c-decl.c (c_function_name_declared_p): Remove.
2401 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
2402 don't call declare_function_name. Call start_fname_decls.
2403 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
2404 clobber the line number. Call finish_decl.
2405 (start_function): Call start_fname_decls.
2406 (finish_function): Call finish_fname_decls.
2407 Remove c_function_name_declared_p.
2408 (push_c_function_context): Don't push c_function_name_declared_p.
2409 (pop_c_function_context): Don't pop c_function_name_declared_p.
2410 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
2411 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
2412 (program): Call finish_fname_decls for C.
2413 (primary): Add VAR_FUNC_NAME.
2414 (reswords): Add slots for __FUNCTION__ et al.
2415 (rid_to_yy): Add mappings for __FUNCTION__ et al.
2416 (yylexname): If it's a STRING_FUNC_NAME generate the function name
2417 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
2418 * c-semantics.c (prune_unused_decls): Remove.
2419 (finish_stmt_tree): Don't call prune_unused_decls.
2420 (genrtl_decl_stmt): Don't prune unused decls here.
2422 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
2424 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
2425 constant pool, use the pool's SYMBOL_REF instead.
2427 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
2430 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
2432 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
2433 passing nested NOP_EXPRs to fold.
2435 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
2437 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
2439 2001-04-22 Mark Mitchell <mark@codesourcery.com>
2441 * loop.c (loop_delete_insns): Add prototype.
2443 2001-04-23 Phil Edwards <pme@sources.redhat.com>
2445 * configure.in: Remove ENABLE_STD_NAMESPACE.
2446 * config.in: Regenerated.
2447 * configure: Regenerated.
2449 2001-04-22 Stan Shebs <shebs@apple.com>
2451 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2453 * config/rs6000/xm-darwin.h: Remove file.
2455 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2457 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2458 (write_c_file_stat): Likewise.
2460 * dbxout.c (dbxout_init): Likewise.
2462 * profile.c (output_func_start_profiler): Likewise.
2464 2001-04-22 Philipp Thomas <pthomas@suse.de>
2466 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2467 require it instead of the CVS version.
2468 * cpperror.c (v_message): Put a blank before the macro
2469 body to not confuse exgettext.
2471 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2473 * flow.c (proagate_one_insn): Remove useless assignment.
2474 * jump.c (delete_insn): Tidy.
2475 * loop.c (try_copy_prop): When deleting an instruction with a
2476 REG_RETVAL note, delete the entire libcall sequence.
2477 (loop_delete_insns): New function.
2478 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2479 we're not substituting into them yet.
2481 2001-04-21 Kazu Hirata <kazu@hxi.com>
2483 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2485 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2487 * config/i960/i960.c (signed_arith_operand): Likewise.
2489 * calls.c (expand_call): Fix a comment typo.
2491 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2493 * configure.in: Probe for times, clock, struct tms, and clock_t.
2494 * configure, config.in: Regenerate.
2495 * timevar.c: Replace ifdef forest in get_time with (relatively)
2496 straightforward series of checks based on autoconf's probes.
2498 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2500 * config/pa/som.h (NM_FLAGS): Define.
2502 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2504 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2506 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2507 * ia64.c (nop_cycles_until): New function.
2508 (prev_cycle, prev_first, last_issued): New static variables.
2509 (ia64_sched_reorder): Additional arg for clock.
2510 On final scheduling pass, emit extra NOPs as needed.
2511 Set prev_first and prev_cycle.
2512 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2513 (ia64_variable_issue): Set last_issued.
2515 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2517 * config/i386/i386.c (ix86_expand_int_movcc,
2518 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2520 2001-04-20 Geoff Keating <geoffk@redhat.com>
2522 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2523 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2524 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2525 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2526 ctrdi_internal6): In the short-branch case, this insn is only 4
2527 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2529 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2531 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2532 "=u" is used together with "st" resp. "st(1)" clobber.
2534 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2536 * gcse.c (gcse_main): Fix comment typo.
2537 (delete_null_pointer_check): Likewise.
2538 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2539 * cse.c (cse_insn): Likewise.
2540 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2543 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2545 * toplev.c: Excise all code for the undocumented -dm option.
2546 (float_signal): Call signal just once, unconditionally.
2548 2001-04-19 Geoff Keating <geoffk@redhat.com>
2550 * fold-const.c (fold): Use first_rtl_op rather than
2551 TREE_CODE_LENGTH when looping over parameters of a tree.
2552 Correct strange grouping in test for evaluated SAVE_EXPR.
2554 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2556 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2557 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2559 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2560 name at 32 total characters.
2561 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2562 functions in named sections -- data items can still go into unique
2563 sections, but they have normal names (ie $LIT$ and $DATA$).
2565 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2568 2001-04-19 DJ Delorie <dj@redhat.com>
2570 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2571 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2572 * config/i386/cygwin.h: Likewise.
2573 * config/i386/mingw32.h: Likewise.
2574 * config/vax/vms.h: Likewise.
2575 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2577 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2578 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2579 * config/i386/xm-cygwin.h: Likewise.
2580 * config/i386/xm-djgpp.h: Likewise.
2581 * config/i386/xm-mingw32.h: Likewise.
2582 * config/vax/xm-vms.h: Likewise.
2584 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2585 instead of OBJECT_SUFFIX.
2586 * collect2.c (find_a_file): Look for files matching the extension
2587 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2588 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2589 TARGET_EXECUTABLE_SUFFIX.
2590 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2591 (make_relative_prefix): Likewise.
2592 (convert_filename): Use TARGET_ suffixes throughout. Remove
2594 (process_command): Likewise.
2595 (do_spec_1): Likewise.
2596 * java/lang.c (init_parse): Likewise.
2598 * gcc.texi : Document four new options matching the pattern
2599 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2600 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2601 documentation for NO_AUTO_EXE_SUFFIX.
2603 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2605 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2606 that language-independent processing should not be done.
2607 * toplev.c (main): Adjust accordingly.
2609 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2610 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2612 * mips.md (reload_outputdi): Require that operand0 be a
2615 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2617 * invoke.texi (-Wshadow): Clarify.
2619 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2621 * loop.c (load_mems): Examine all the instructions in the loop
2622 before concluding that all jumps branch to the first instruction
2625 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2627 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2629 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2631 * cpp.texi (-Wwhite-space): Remove.
2632 (-Wall): -Wall does not imply -Wwhite-space.
2634 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2636 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2637 use it instead of blindly generating a .stabs.
2638 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2640 * xcoffout.c: Don't bother defining default for N_CATCH.
2641 (UNKNOWN_STAB): Use internal_error.
2642 (stab_to_sclass): Remove now-unnecessary aborts.
2643 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2645 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2647 * jump.c (mark_all_labels): Canonicalize the tail recursion
2648 label attached to CALL_PLACEHOLDER insns.
2650 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2652 * output.h (dump_flow_info, free_basic_block_vars,
2653 which_alternative): Delete redundant prototypes.
2655 * rtl.h (bss_section): Likewise.
2657 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2659 * dbxout.c (N_OPT): Define if not available from <stab.h>
2661 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2663 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2664 libraries and native K&R compilers.
2666 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2668 * c-typeck.c (convert_arguments): Don't check for width changes
2671 * invoke.texi (-Wtraditional): Update documentation.
2673 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2675 * toplev.c (output_lang_identify): Delete.
2676 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2677 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2678 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2679 after calling ASM_FILE_END.
2681 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2682 Instead, unconditionally emit an N_OPT stab with string equal
2683 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2685 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2687 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2688 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2689 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2690 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2691 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2692 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2693 config/i370/i370.h, config/i386/beos-elf.h,
2694 config/i386/osf1elf.h, config/i386/osfrose.h,
2695 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2696 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2697 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2698 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2699 config/mips/iris6.h, config/mips/osfrose.h,
2700 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2701 config/sparc/sp64-elf.h:
2702 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2703 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2705 * config/elfos.h, config/freebsd.h, config/linux.h,
2706 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2707 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2708 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2709 of ASM_FILE_START which merely emit a .version directive. Delete
2710 definitions of ASM_FILE_END which merely emit an .ident directive.
2712 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2713 ASM_IDENTIFY_GCC and move part of its logic into
2716 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2717 config/sparc/linux-aout.h: Don't emit .version directive in
2720 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2721 (output_file_start): Correct comment.
2723 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2724 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2726 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2727 * config/rs6000/aix.h: Correct comment.
2729 * config/i386/i386afe.h: Delete.
2730 * config.gcc: Remove references to i386afe.h.
2732 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2733 other macros deleted by this patch were undocumented.
2735 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2737 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2739 * pa.c (secondary_reload_class): SAR<->FP copies require a
2742 * install.texi (mips-mips-bsd): Update list of functions
2743 required to include memmove.
2744 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2745 used functions to include memmove.
2747 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2749 * i386.md (sqrtdf2): SFmode should be DFmode.
2751 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2753 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2754 (find_moveable_store): Likewise.
2756 2001-04-15 Jim Wilson <wilson@redhat.com>
2758 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2760 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2762 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2763 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2765 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2767 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2770 2001-04-14 Alan Modra <amodra@one.net.au>
2772 * pa.c (force_mode): New function.
2773 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2775 2001-04-13 Jim Wilson <wilson@redhat.com>
2777 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2778 (first_instruction): New static variable.
2779 (rtx_needs_barrier): Return 1 for alloc.
2780 (init_insn_group_barriers): Set first_instruction.
2781 (rws_sum): Delete duplicate definition.
2782 (group_barrier_needed_p): Return 0 when first_instruction true.
2783 (safe_group_barrier_needed_p): Save and restore first_instruction
2784 around group_barrier_needed_p call.
2786 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2788 * expr.h (enum libfunc_index): Add LTI_memmove.
2789 (memmove_libfunc): Define macro.
2790 * optabs.c (init_optabs): Initialize memmove_libfunc.
2791 * expr.c (expand_assignment): Use memmove_libfunc instead of
2794 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2796 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2799 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2801 * Makefile.in (reg-stack.o): Depend on reload.h.
2802 (insn-attrtab.o): Depend on flags.h.
2804 * genattrtab (main): Include flags.h in insn-attrtab.c.
2806 * reg-stack.c: Include reload.h.
2808 * sparc.h (flag_pic): Delete redundant declaration.
2810 * output.h (flag_pic): Likewise.
2812 * tree.h (pedantic): Likewise.
2814 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2816 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2818 * jump.c, regmove.c, toplev.c: Include reload.h.
2820 * reload.h (reload_cse_regs): Declare.
2822 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2823 reload_cse_regs, init_reload, mark_home_live, reload,
2824 init_caller_save): Delete redundant prototypes.
2826 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2828 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2830 * regclass.c, ssa.c: Include expr.h.
2832 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2833 gen_move_insn): Delete redundant declarations.
2835 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2837 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2838 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2839 MAKEINFO and MAKEINFOFLAGS too.
2840 (stage4_build): Correctly order -B flags.
2842 2001-04-13 Alan Modra <amodra@one.net.au>
2844 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2845 PIC_OFFSET_TABLE_SAVE_RTX.
2846 (zdepi_cint_p): Describe zdepi insn.
2847 Formatting and white space fixes throughout file.
2849 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2850 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2851 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2852 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2853 (output_64bit_and): Use plain `int's for shift counts.
2854 (output_64bit_ior): Likewise.
2855 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
2856 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
2859 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
2860 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
2861 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
2862 NEW_HP_ASSEMBLER into one. Kill warnings.
2864 * pa-gas.h: Delete file.
2865 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
2866 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
2867 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
2868 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
2870 * config/pa/mill32.S: New file.
2871 * config/pa/mill64.S: New file.
2872 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
2873 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
2874 * config/pa/t-linux64: New file.
2875 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
2876 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
2877 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
2879 * elfos.h (SELECT_SECTION): Undef before defining.
2880 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
2881 (LIB_SPEC): Remove -lmilli.
2882 (DBX_REGISTER_NUMBER): Remove.
2883 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
2884 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
2885 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
2886 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
2887 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
2888 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
2889 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
2890 TARGET_GAS): Define.
2891 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
2892 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
2893 regs if we don't have a prototype.
2894 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
2895 * pa.h (TARGET_ELF32): Default to 0 if undefined.
2896 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
2897 EH_RETURN_HANDLER_RTX): Define.
2898 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
2899 (DWARF_FRAME_REGNUM): Define.
2900 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
2901 * pa32-linux.h: New file.
2902 * pa64-linux.h: New file.
2904 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2905 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
2906 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
2907 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
2908 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
2909 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2910 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2911 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2912 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2913 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2914 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2915 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2916 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2917 * pa64-hpux.h: New file.
2918 (ASM_FILE_START): Correct typo.
2919 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2920 * config.gcc: Modify for above.
2922 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2924 * jump.c (jump_optimize_1): Don't delete dead stores here.
2925 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2926 prior to running jump optimize before cse2.
2928 2001-04-12 Richard Henderson <rth@redhat.com>
2930 * Makefile.in (regmove.o): Depend on except.h.
2931 * regmove.c: Include it.
2933 2001-04-12 Stan Shebs <shebs@apple.com>
2935 * objc/objc-act.c: Remove all code ifdefed with the never-used
2936 macro OBJC_INT_SELECTORS.
2937 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2938 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2940 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2942 * config/pa/quadlib.c: Add prototypes.
2944 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2946 * bitmap.h (debug_bitmap): Delete redundant prototype.
2948 * rtl.h (get_frame_size): Likewise.
2950 2001-04-12 Jim Wilson <wilson@redhat.com>
2952 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2953 to just emit an fnorm.
2955 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2957 * c-common.h (truthvalue_conversion, type_for_mode,
2958 type_for_size): Delete redundant declarations.
2960 * c-lex.h (is_class_name): Likewise.
2962 * c-tree.h (pedantic, convert, getdecls, gettags,
2963 global_bindings_p, init_decl_processing, insert_block,
2964 maybe_build_cleanup, poplevel, print_lang_decl,
2965 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2966 set_block, incomplete_type_error, build_function_call,
2967 lvalue_or_else, mark_addressable): Likewise.
2969 * expr.h (expand_tree_builtin): Likewise.
2971 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2973 * invoke.texi: Document --param max-gcse-memory.
2975 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2977 * configure.in (errno): Check for declaration.
2978 * configure, config.in: Regenerated.
2980 * system.h (errno): Only declare if not already done.
2982 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2984 * recog.c (general_operand, immediate_operand,
2985 nonmemory_operand): Require CONST_INTs to be sign-extended
2986 values for their modes.
2988 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2990 * expmed.c (store_bit_field): Truncate CONST_INTs.
2991 (expand_mult_highpart, expand_divmod): Likewise.
2992 * expr.c (convert_modes, store_field): Likewise.
2993 * integrate.c (expand_inline_function): Use promote_mode() to
2994 determine whether to convert_modes() an argument as signed
2996 * optabs.c (expand_binop): Get CONST_INT operands
2997 sign-extended for their appropriate modes.
2998 * stmt.c (emit_case_nodes): Convert node values to the
3000 (expand_end_case): Convert minval and range to the appropriate
3002 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
3003 the iteration variable.
3004 * varasm.c (immed_double_const): Don't require words to be
3005 narrower than host wide ints to properly sign-extend
3008 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
3010 * sh.md (builtin_setjmp_receiver): New expander.
3012 2001-04-12 David Edelsohn <dje@watson.ibm.com>
3014 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
3015 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
3016 for generating CONST_INT and CONST_DOUBLE.
3018 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
3020 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
3021 already sign-extended.
3022 (rs6000_emit_prologue): Make register iterator signed.
3023 (rs6000_emit_epilogue): Likewise.
3024 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
3026 (movsf split, movdf split): Sign-extend CONST_INTs.
3027 (movdi splits): Likewise.
3029 2001-04-12 Kelley Cook <kelley.cook@home.com>
3031 * config-lang.in (lang_dirs): Add in zlib.
3033 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
3035 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
3036 operands that make it to RTL.
3038 2001-04-11 Stan Shebs <shebs@apple.com>
3040 Add Darwin (Mac OS X kernel) native support.
3041 * config.gcc (powerpc-*-darwin*): Add native bits.
3042 * config/darwin.c: New file, generic Darwin support functions.
3043 * config/darwin.h: New file, generic Darwin definitions.
3044 * config/darwin-protos.h: New file, generic Darwin prototypes.
3045 * rs6000/darwin.h: New file, Darwin for PowerPC.
3046 * rs6000/t-darwin: New file, Darwin makefile fragment.
3047 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
3048 (TARGET_MACHO): Ditto.
3049 (rs6000_abi): Add ABI_DARWIN.
3050 (RS6000_REG_SAVE): Add ABI_DARWIN case.
3051 (RS6000_SAVE_AREA): Ditto.
3052 (FP_ARG_MAX_REG): Ditto.
3053 (RETURN_ADDRESS_OFFSET): Ditto.
3054 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
3056 (rs6000_emit_move): Add ABI_DARWIN cases.
3057 (print_operand): Ditto.
3058 (first_reg_to_save): Ditto.
3059 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
3060 (debug_stack_info): Ditto.
3061 (rs6000_emit_prologue): Ditto.
3062 (rs6000_emit_epilogue): Ditto.
3063 (output_profiler_hook): Ditto.
3064 (output_function_profiler): Ditto.
3065 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
3066 (output_mi_thunk): Add TARGET_MACHO case.
3067 (add_compiler_stub): Ditto.
3068 (output_compiler_stub): Ditto.
3069 (no_previous_def): Ditto.
3070 (output_call): Ditto.
3071 (machopic_output_stub): Ditto.
3072 (rs6000_machopic_legitimize_pic_address): Ditto.
3073 (toc_section): Ditto.
3074 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
3075 (macho_high): Ditto.
3078 (load_macho_picbase): Ditto.
3079 (call): Add TARGET_MACHO case to modify function.
3080 (call_value): Ditto.
3081 (call_nonlocal_sysv): Add ABI_DARWIN case.
3082 (call_value_nonlocal_sysv): Ditto.
3083 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
3085 (machopic_output_stub): Ditto.
3086 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
3088 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3090 * dwarf2out.c (modified_type_die): Don't create new types here.
3091 * tree.h (get_qualified_type): New function.
3092 (build_qualified_type): Adjust comment.
3093 * tree.c (get_qualified_type): New function.
3094 (build_qualified_type): Use it.
3096 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3098 * cpp.texi (-Wtraditional): Update description.
3100 * invoke.texi (-Wtraditional): Likewise.
3102 2001-04-11 Jim Wilson <wilson@redhat.com>
3104 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
3105 requires more than 64 bits of alignment.
3107 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
3109 * cpplib.c (do_line): Sanity check iff enable checking.
3111 2001-04-11 Richard Henderson <rth@redhat.com>
3113 * Makefile.in (insn-recog.o): Depend on toplev.h.
3114 (insn-emit.o, doloop.o): Likewise.
3115 * genrecog.c, genemit.c: Include toplev.h in generated file.
3116 * doloop.c: Include toplev.h.
3118 2001-04-11 Mark Mitchell <mark@codesourcery.com>
3120 * Makefile.in (gcse.o): Depend on params.h.
3121 * gcse.c: Include params.h.
3122 (gcse_main): Don't do GCSE if doing so will take inordinate
3124 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
3125 * params.h (MAX_GCSE_MEMORY): New macro.
3127 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3129 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
3131 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
3133 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3135 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
3137 * real.h (ereal_atof, real_value_truncate, target_isnan,
3138 target_isinf, target_negative, assemble_real, debug_real): Delete
3139 redundant prototypes.
3141 * Makefile.in (ifcvt.o): Depend on toplev.h.
3143 * c-semantics.c: Include expr.h.
3145 * ifcvt.c: Include toplev.h.
3147 * expr.h (rtx_equal_p): Delete prototype.
3149 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
3150 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
3151 eliminate_constant_term, expand_complex_abs, find_single_use,
3152 make_tree, init_expr_once, init_optabs, supports_one_only):
3155 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
3156 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
3157 expand_assignment, store_expr, emit_line_note_after,
3158 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
3160 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
3162 * sparc-protos.h: Delete redundant prototypes.
3164 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
3166 * reload.c (push_reload): Add condition missed in SUBREG byte
3169 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3171 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
3173 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
3175 * i386.md (floatsisf_sse): Fix output template
3176 * i386.c (ix86_expand_fp_movcc)
3178 * reg-stack.c (emit_pop_insn): Handle complex modes.
3179 (move_for_stack_reg): Emit proper move mode.
3180 (subst_stack_regs_pat): Handle complex modes.
3182 2001-04-11 Jakub Jelinek <jakub@redhat.com>
3184 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
3186 2001-04-10 Richard Henderson <rth@redhat.com>
3188 * libgcc2.h (__terminate_func_ptr): Remove typedef.
3189 (__pure_virtual, __terminate, __terminate_set_func,
3190 __default_terminate, __throw_type_match, __empty,
3191 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
3192 __eh_rtime_match, __unwinding_cleanup, __rethrow,
3193 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
3194 Remove prototypes of deleted functions.
3196 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3198 * c-typeck.c (convert_arguments): -Wtraditional now activates
3199 -Wconversion warnings, except for changes in signed-ness.
3200 Detect complex<->int & int<->complex conversions as well.
3202 * invoke.texi (-Wtraditional): Document it.
3204 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3206 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
3207 * flow.c (set_block_for_new_insns): Remove needless cast and
3208 properly check for unset block number.
3210 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
3212 * function.c (purge_single_hard_subreg_set): Only check REGNO if
3213 the subreg was a hard register. Pseudos are left as subregs.
3215 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3217 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
3218 (LIB2ADD_ST): New macro, pass it to mklibgcc.
3219 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
3220 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
3221 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
3223 2001-04-09 Bo Thorsen <bo@suse.co.uk>
3225 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
3227 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3229 * output.h (set_block_num): Missed it earlier, remove deprecated
3232 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3234 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
3235 (load_killed_in_block_p): Change bb parameter from int to basic_block.
3236 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
3237 (handle_rd_kill_set): Change bb parameter from int to basic_block.
3238 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
3239 (expr_killed_p): Change bb parameter from int to basic_block, pass
3240 basic_blocks instead of ints as parameters.
3241 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
3242 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
3243 from int to basic_block, pass basic_blocks instead of ints as parms.
3244 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
3245 parameter from int to basic_block, pass basic_blocks instead of ints.
3246 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
3247 (insert_insn_end_bb): Change bb parameter from int to basic_block,
3248 pass basic_blocks instead of ints.
3249 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
3250 basic_blocks instead of ints as parameters.
3251 (pre_delete): Pass basic_blocks instead of ints as parameters.
3252 (hoist_expr_reaches_here_p): Change bb parameter from int to
3253 basic_block, pass basic_blocks instead of ints.
3254 (hoist_code): Pass basic_blocks instead of ints as parameters.
3255 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
3256 Change bb parameter from int to basic_block.
3257 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
3258 (insert_insn_start_bb): Change bb parameter from int to basic_block,
3259 pass basic_blocks instead of ints.
3260 (insert_store): Pass basic_blocks instead of ints as parameters.
3261 (replace_store_insn, delete_store): Change bb parameter from int to
3262 basic_block, pass basic_blocks instead of ints.
3263 (store_motion): Pass basic_blocks instead of ints as parameters.
3265 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3267 * basic-block.h (set_new_block_for_insns): New Prototype.
3268 (set_block_num): Delete prototype.
3269 * flow.c (set_block_num): Remove obsolete function.
3270 (set_block_for_new_insns): Set BB for single or multiple insns.
3271 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
3272 (process_insn_end_bb): Use set_block_for_new_insns or
3273 set_block_for_insn instead of set_block_num.
3274 (pre_insert_copy_insn): Use set_block_for_new_insns.
3275 (update_ld_motion_stores): Use set_block_for_new_insns.
3276 (insert_insn_start_bb): Use set_block_for_new_insns.
3277 (replace_store_insn): Use set_block_for_new_insns.
3279 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
3280 Jeff Law <law@redhat.com>
3282 * alias.c (get_addr): Externalize.
3283 (canon_true_dependence): New function. Behaves like true_dependance
3284 except it already assumes a MEM has been canonicalized.
3285 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
3286 * gcse.c (struct ls_expr): Add load/store expressions structure.
3287 (modify_mem_list, canon_modify_mem_list): New variable.
3288 (gcse_main): Initialize & finalize alias analysis. Use enhanced
3289 load motion and store motion if requested.
3290 (alloc_gcse_mem): Allocate space for modify_mem_list array.
3291 (free_gcse_mem): Free the modify_mem_list array.
3292 (oprs_unchanged_p): Use load_killed_in_block_p.
3293 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
3294 (mems_conflict_for_gcse_p): New function. Don't kill loads
3295 with stores to themselves if its in the load/store expression list.
3296 (load_killed_in_block_p): New function.
3297 (canon_list_insert): New Function.
3298 (record_last_mem_set_info): Keep a list of all instructions which
3299 can modify memory for each basic block.
3300 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
3301 (oprs_not_set_p): Use load_killed_in_block_p.
3302 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
3303 (expr_killed_p): Use load_killed_in_block_p.
3304 (compute_transp): Do not pessimize memory references.
3305 (pre_edge_insert): Update stores for a load motion expression.
3306 (one_pre_gcse_pass): Check loads/stores for extra load motion.
3307 (ldst_entry): Find or create a ldst_expr structure.
3308 (free_ldst_entry): Free memory for an individual item.
3309 (free_ldst_mems): Free entire load/store expression list.
3310 (print_ldst_list): Print debug info.
3311 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
3312 (enumerate_ldsts): Assign integer values to each entry in list.
3313 (first_ls_expr): First expression in the list.
3314 (next_ls_expr): Next expression in the list.
3315 (simple_mem): Check if expression qualifies for ld/st expression list.
3316 (invalidate_any_buried_refs): Remove from expression list if its
3317 used in some other way we dont understand.
3318 (compute_ld_motion_mems): Find all potential enhanced load motion
3320 (trim_ld_motion_mems): Remove any expressions which are invalid.
3321 (update_ld_motion_stores): Copy store values to registers for loads
3322 which have been moved.
3323 (regvec, st_antloc, num_store): New global statics.
3324 (reg_set_info): Marks registers as set.
3325 (store_ops_ok): Verfies registers expressions are valid in a block.
3326 (find_moveable_store): Look for moveable stores in a pattern.
3327 (compute_store_table): Find stores in a function worth moving, maybe.
3328 (load_kills_store): Check dependance of a load and store.
3329 (find_loads): Find any loads in a pattern.
3330 (store_killed_in_insn): Check if a store is killed in an insn.
3331 (store_killed_after): Check is store killed after an insn in a block.
3332 (store_killed_before): Check is store killed before an insn in a block.
3333 (build_store_vectors): Generate the antic and avail vectors.
3334 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
3335 (insert_store): Add a store to an edge.
3336 (replace_store_insn): Replace a store with a SET insn.
3337 (delete_store): Delete a store insn.
3338 (free_store_memory): Free memory.
3339 (store_motion): Perform store motion.
3340 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
3341 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
3342 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
3343 (f_options): Add gcse-lm and gcse-sm.
3345 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
3347 * i386.c (expand_fp_movcc): Fix condition reversal code.
3349 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
3350 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
3351 (CLASS_MAX_NREGS): Use it.
3353 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
3354 handle properly complex values.
3355 (CLASS_MAX_NREGS): Likewise; update comment.
3357 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3359 * ia64.c (ia64_flag_schedule_insns2): New variable.
3360 (ia64_override_options): Initialize it. Clear
3361 flag_schedule_insns_after_reload.
3362 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
3364 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
3366 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
3367 Do not require source to match destination anymore;
3368 Add abort to the nontrivial cases that should be handled by split.
3369 (fix_trunc?fdi): Add SSE case for x86_64.
3370 (floatdi?f): Likewise.
3371 (floatdi?f_sse): New.
3372 (fix_trunc?fdi_sse): New.
3374 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
3376 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
3377 (DEBUG_ARANGES_END_LABEL): Ditto.
3378 (dwarfout_init): Generate length and version fields at the start
3379 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
3380 after the length field.
3381 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
3382 the .debug_aranges info.
3384 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
3386 * i386.c (call, call_value): Make sure that resulting call_insn
3387 does have proper second operand.
3389 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
3391 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
3392 function. Remove include of sys/cygwin.h.
3394 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
3396 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
3397 (CPP_SPEC): Always search */include/w32api for header files.
3398 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
3399 (LINK_SPEC): Add "cyg" to the library search prefixes.
3401 2001-04-08 Philip Blundell <philb@gnu.org>
3403 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
3405 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
3407 * cpperror.c (print_location): Don't special case <stdin>.
3408 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
3409 WARNING, but we don't check if we're in system headers.
3410 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
3411 * cpplib.c (do_warning): Warn in system headers.
3413 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
3415 * mbchar.c: Include config.h first.
3417 2001-04-07 Zack Weinberg <zackw@stanford.edu>
3419 * config.gcc: Set default for xmake_file at top, not bottom.
3420 Change places that set xmake_file to "none" to set to the
3421 empty string instead, or remove them entirely if there is no
3422 default xmake_file for this cpu_type. Remove references to
3425 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
3426 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
3427 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
3428 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
3429 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
3430 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
3431 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
3432 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
3433 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
3434 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
3437 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
3438 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
3439 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
3440 config/mips/x-sysv, config/rs6000/x-aix31:
3441 Just set CLIB to -lld or -lmld, as appropriate.
3443 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
3444 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
3445 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
3446 config/mips/x-iris, config/pa/x-pa:
3447 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3448 OTHER_FIXINCLUDES_DIRS.
3450 * config/i386/x-djgpp: Don't set LN or LN_S.
3451 * config/m88k/x-dolph: Don't define __m88k__.
3452 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3453 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3454 * config/i860/fx2800.h: No need to #undef SVR4.
3456 38 x-host fragments remain, 2 x-cpu.
3458 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3460 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3462 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3464 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3466 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3468 * configure.in: Add check for lstat.
3469 * configure, config.in: Regenerate.
3470 * cppinit.c (append_include_chain): Make empty path ".".
3471 * cpplib.c (do_line): Don't simplify #line paths.
3472 * cppfiles.c (remove_component_p): New function.
3473 (find_or_create_entry): Acknowledge stat () errors during
3474 path simplification.
3475 (handle_missing_header): Don't simplify paths.
3476 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3477 the empty path untouched. Don't leave a trailing '/'.
3479 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3481 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3482 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3484 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3486 * cppfiles.c (open_file): Fail directories silently, but
3487 with an errno of NOENT set.
3488 (read_include_file): Move the common exit code to the sole
3489 caller. Return an int indicating success or failure. Let
3490 open_file handle directories.
3491 (stack_include_file): If read_include_file fails,
3492 push a "null" buffer.
3494 2001-04-05 DJ Delorie <dj@redhat.com>
3496 * function.h (virtuals_instantiated): Declare.
3497 * function.c: (virtuals_instantiated): Make global.
3498 * calls.c (emit_library_call_value_1): Use
3499 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3500 Otherwise, use the stack pointer directly.
3502 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3504 * i386.c (x86_initialize_trampoline): New global function.
3505 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3506 (INITIALIZE_TRAMPOLINE): Move offline.
3507 * i386-protos.h (x86_initialize_trampoline): Declare.
3509 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3511 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3512 (lea_0): Rename to lea_1.
3513 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3514 (lea_general_?): Allow SImodes on TARGET_64BIT
3515 (lea_general_?_zext): New patterns.
3516 (call_1, call_1_rex64): Fix.
3518 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3520 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3522 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3524 * i386.c (function_arg): Return constm1_rtx for last argument.
3525 (ix86_expand_prologue): Update gen_call calls.
3526 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3527 * i386.md (call_pop): Likewise.
3528 (call): Second operand is VOIDmode.
3529 (call_0): Likewise; Support 64bits.
3530 (call_exp): New expander.
3531 (call_1): Get to the sync.
3532 (call_1_exp): New pattern.
3533 (call_value): Support 64bit.
3534 (call_value_exp): New pattern.
3535 (untyped_call): Update gen_call call.
3536 (call_value_pop): Disable for 64bit.
3537 (call_value_0_rex64): New pattern.
3538 (call_value_1_rex64): Likewise.
3540 2001-04-05 Bo Thorsen <bo@suse.de>
3542 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3544 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3546 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3547 satisfies ANY_QI_REG_P.
3549 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3551 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3554 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3557 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3559 * config.gcc: Remove default for xm_file. Clean up local
3560 machine type handling. Remove settings of xm_file to
3561 something that doesn't exist. In the big switch, set xm_file,
3562 don't append to it (the value before the big switch is always
3563 null). Don't force build_xm_file or host_xm_file to have a value.
3564 * configure.in: Remove default for xm_file. Do not special
3565 case $cpu/xm-$cpu.h not existing.
3566 * configure: Regenerate.
3568 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3570 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3571 when folding integer division and modulo operations.
3573 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3575 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3576 instead of DWARF2_ADDR_SIZE for EH addresses.
3577 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3580 2001-04-04 Richard Henderson <rth@redhat.com>
3582 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3583 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3584 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3586 2001-04-04 Richard Henderson <rth@redhat.com>
3588 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3589 * configure: Rebuilt.
3591 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3593 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3594 push insns to delete to it instead of deleting them.
3595 (delete_null_pointer_checks): Delete insns from delete_list after
3596 all delete_null_pointer_checks_1 passes are done.
3598 2001-04-04 Richard Henderson <rth@redhat.com>
3600 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3601 * configure: Rebuilt.
3603 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3605 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3606 * config/romp/xm-romp.h: Delete.
3608 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3610 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3613 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3615 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3616 all labels present in rtx.
3617 (try_split) Call new function for all split insns.
3619 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3621 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3622 sure the change won't be validated.
3624 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3626 * rtl.h (set_noop_p): Declare.
3627 * flow.c (set_noop_p): Move from here ...
3628 * rtlanal.c (set_noop_p): ... to here and enhance.
3629 * cse.c (delete_trivially_dead_insns): Use it.
3630 * gcse.c (hash_scan_set): Likewise.
3631 * jump.c (delete_noop_moves): Likewise.
3632 * recog.c (split_all_insns): Likewise.
3634 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3636 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3637 stack pointer via a LO_SUM. Ditto for setting a temp register
3638 used to save to the stack. Set cfa_temp when setting fp, and
3639 allow matches to cfa_temp in addition to cfa_store when saving
3640 regs. Handle POST_INC and LO_SUM register stores. Document the
3641 changes and errors in rule 12 doco.
3643 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3644 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3645 (load_reg): Move closer to epilogue code.
3646 (DO_FRAME_NOTES): Define to control the following..
3647 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3648 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3650 (hppa_expand_epilogue): Likewise.
3652 2001-04-03 Richard Henderson <rth@redhat.com>
3654 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3655 * configure: Rebuild.
3657 2001-04-03 Richard Henderson <rth@redhat.com>
3659 * rtl.h (LCT_THROW): New.
3660 * calls.c (emit_library_call_value_1): Handle it.
3661 * except.c (connect_post_landing_pads): Use it.
3663 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3665 * gansidecl.h: Delete file.
3666 * configure.in: Change all refs to gansidecl.h to use
3667 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3669 * configure: Regenerate.
3671 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3672 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3673 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3674 Don't include gansidecl.h.
3675 * intl.c, main.c, version.c, fixinc/fixlib.h,
3676 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3679 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3681 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3684 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3686 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3687 config/i386/xm-next.h, config/i386/xm-sco.h,
3688 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3689 config/m88k/xm-m88k.h: Delete.
3691 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3692 * config/romp/xm-romp.h: Don't define bcopy.
3693 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3694 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3696 * config.gcc: Remove references to deleted files.
3698 14 xm-host.h remain, 1 xm-cpu.h.
3700 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3701 David S. Miller <davem@pierdol.cobaltmicro.com>
3702 Andrew MacLeod <amacleod@redhat.com>
3704 Use byte offsets in SUBREGs instead of words.
3706 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3707 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3708 to pass new argument.
3709 (add_stored_regs): Use subreg_regno_offset function.
3710 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3712 (precompute_arguments): Use gen_lowpart_SUBREG.
3713 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3714 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3715 (simplify_set): Rework to use SUBREG_BYTE.
3716 (expand_field_assignment): Use SUBREG_BYTE.
3717 (make_extraction): Use SUBREG_BYTE.
3718 (if_then_else_cond): Use SUBREG_BYTE.
3719 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3720 (gen_lowpart_for_combine): Compute full byte offset.
3721 * cse.c (mention_regs): Use SUBREG_BYTE.
3722 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3723 (canon_hash): Use SUBREG_BYTE.
3724 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3725 (gen_lowpart_if_possible): Formatting.
3726 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3728 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3729 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3730 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3731 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3732 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3733 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3734 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3735 certain invariants about SUBREGs the compiler creates.
3736 (gen_lowpart_SUBREG): New function.
3737 (subreg_hard_regno): New function to get the final register number.
3738 (gen_lowpart_common): Use SUBREG_BYTE.
3739 (gen_imagpart): Spacing nits.
3740 (subreg_realpart_p): Use SUBREG_BYTE.
3741 (gen_highpart): Use SUBREG_BYTE.
3742 (subreg_lowpart_p): Always compute endian corrected goal offset,
3743 even at the byte level, then compare against that.
3744 (constant_subword): New function, pulled out all constant cases
3745 from operand_subword and changed second argument name to offset.
3746 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3747 and call constant_subword to do the work. Return const0_rtx if
3748 looking for a word outside of OP.
3749 (operand_subword_force): Change second arg name to offset.
3750 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3751 (store_split_bit_field): Use SUBREG_BYTE.
3752 (extract_bit_field): Use SUBREG_BYTE.
3753 (extract_split_bit_field): Use SUBREG_BYTE.
3754 (expand_shift): Use SUBREG_BYTE.
3755 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3756 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3757 * flow.c (set_noop_p): Use SUBREG_BYTE.
3758 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3759 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3760 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3762 (optimize_bit_field): Use SUBREG_BYTE.
3763 (purge_addressof_1): Use SUBREG_BYTE.
3764 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3765 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3766 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3767 * gengenrtl.c (special_rtx): Add SUBREG.
3768 * global.c (mark_reg_store): Use SUBREG_BYTE.
3769 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3770 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3771 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3772 final byte offset is congruent to subreg's mode size.
3773 (subst_constants): Use SUBREG_BYTE.
3774 (mark_stores): Use subreg_regno_offset function.
3775 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3776 function and SUBREG_BYTE.
3777 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3778 (reg_is_born): Use subreg_hard_regno.
3779 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3780 endian correction code. Don't combine subregs unless resulting
3781 offset aligns with type. Fix subreg constant extraction for DImode.
3782 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3783 (general_operand): Remove dead mode_altering_drug code.
3784 (indirect_operand): Use SUBREG_BYTE.
3785 (constrain_operands): Use subreg_regno_offset function.
3786 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3787 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3788 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3789 * regs.h (REG_SIZE): Allow target to override.
3790 (REGMODE_NATURAL_SIZE): New macro which target can override.
3791 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3792 on the entire subreg rtx.
3793 (push_reload): Use SUBREG_BYTE in comments and code.
3794 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3795 for hard registers inside subregs.
3796 (operands_match_p): Use subreg_regno_offset.
3797 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3798 containing hard regs.
3799 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3800 corrections when fixing up MEM subregs.
3801 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3802 subreg_regno_offset where appropriate.
3803 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3804 byte endian corrections when fixing up MEM subregs.
3805 (subst_reloads): When combining two subregs, make sure final
3806 offset is congruent to subreg's mode size.
3807 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3808 (refers_to_regno_for_reload_p): Use subreg_regno.
3809 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3810 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3811 correction code for memory subreg fixups.
3812 (forget_old_reload_1): Use subreg_regno_offset.
3813 (choose_reload_regs): Use subreg_regno.
3814 (emit_input_reload_insns): Use SUBREG_BYTE.
3815 (reload_combine_note_store): Use subreg_regno_offset.
3816 (move2add_note_store): Use subreg_regno_offset.
3817 * resource.c (update_live_status, mark_referenced_resources): Use
3818 subreg_regno function.
3819 (mark_set_resources): Use subreg_regno function.
3820 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3821 (subreg_regno_offset, subreg_regno): Define prototypes.
3822 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3823 (gen_lowpart_SUBREG): Add prototype.
3824 * rtl.texi (subreg): Update to reflect new byte offset representation.
3825 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3826 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3827 (reg_overlap_mentioned_p): Use subreg_regno.
3828 (replace_regs); Make sure final offset of combined subreg is
3829 congruent to size of subreg's mode.
3830 (subreg_regno_offset): New function.
3831 (subreg_regno): New function.
3832 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3833 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3834 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3835 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3836 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
3837 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
3838 (a29k_get_reloaded_address): Use SUBREG_BYTE.
3839 (print_operand): Use SUBREG_BYTE.
3840 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
3841 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3842 (arm_reload_out_hi): Use SUBREG_BYTE.
3843 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3844 instead of SUBREG_WORD.
3845 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3846 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3847 SUBREG creation to use byte offset.
3848 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3849 inverted load insns): Fix explicit rtl subregs to use byte
3851 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3852 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3853 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
3854 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
3855 to use byte offsets.
3856 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
3857 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
3858 offsets, also make sure it is congruent to SUBREG's mode size.
3859 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
3860 unnamed ldob insn): Generate SUBREGs with byte offset.
3861 (zero_extendqihi2): SUBREG's are byte offsets.
3862 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
3863 (m68hc11_gen_highpart): Use SUBREG_BYTE.
3864 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
3865 zero-extendqisi2): Generate SUBREGs with byte offset.
3866 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
3867 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
3868 subregs in rtl to use byte offsets.
3869 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
3870 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
3871 (mips_move_2words): Use subreg_regno_offset.
3872 (mips_secondary_reload_class): Use subreg_regno_offset.
3873 * config/mips/mips.md (DImode plus, minus, move, and logical op
3874 splits): Fixup explicit subregs in rtl to use byte offsets.
3875 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
3876 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
3877 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
3878 rtl to use byte offsets.
3879 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
3880 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
3881 subregs to use byte offsets.
3882 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
3883 Fixup explicit subregs in rtl to use byte offsets.
3884 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
3885 and remove byte endian correction code.
3886 * config/sh/sh.c (output_movedouble): Use subreg_regno.
3887 (gen_ashift_hi): Use SUBREG_BYTE.
3888 (regs_used): Use subreg_regno_offset.
3889 (machine_dependent_reorg): Use subreg_regno_offset.
3890 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
3891 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
3892 (movdf_i4): Subregs are byte offsets now.
3893 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
3894 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
3895 (REGMODE_NATURAL_SIZE): Override.
3896 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
3897 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
3899 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
3900 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
3901 extendqidi2): Generate SUBREGs with byte offsets, also make sure
3902 it is congruent to SUBREG's mode size.
3903 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
3905 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
3906 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
3907 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
3908 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
3909 * config/v850/v850.c (print_operand, output_move_double): Use
3910 subreg_regno function.
3912 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3914 * configure.in (target_subdir): Use target_alias, not target.
3915 * configure: Rebuilt.
3917 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3919 * config/sh/crti.asm: Fix typos in comments.
3921 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3923 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3924 TARGET_FAST_INDIRECT_CALLS.
3925 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3927 (return_addr_rtx): Short circuit export stub matching when
3928 TARGET_NO_SPACE_REGS.
3929 (output_millicode_call): For out of range calls, make -fPIC
3930 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3931 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3932 * pa.md: Modify length attr calculation of all millicode insns to
3935 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3937 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3938 Require at least 2.11 in the version test. Specifically check
3939 for and reject GAS version 2.10.90.
3940 * configure: regenerate.
3942 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3944 * pa.c (override_options): Remove PIC profiling warning.
3945 (hp_profile_labelno): Delete.
3946 (hp_profile_label_rtx): Delete.
3947 (hp_profile_label_name): Delete.
3948 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3949 (output_function_prologue): Remove profiling code and all tests on
3950 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3951 merge_sp_adjust_with_store can work for PIC and profiling.
3952 (hppa_expand_epilogue): Remove profile_flag test.
3953 (hppa_can_use_return_insn_p): Likewise.
3954 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3955 cater for PROFILE_HOOK.
3956 (hppa_profile_hook): New function.
3957 * pa.h (FUNCTION_PROFILER): Now does nothing.
3958 (PROFILE_HOOK): Define.
3959 (hppa_profile_hook): Declare.
3960 (PROFILE_BEFORE_PROLOGUE): Delete.
3961 (ASM_OUTPUT_REG_PUSH): Delete.
3962 (ASM_OUTPUT_REG_POP): Delete.
3963 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3964 r24. Accept function name operand, and use this and a locally
3965 generated label to calculate pc-rel offset to func start.
3967 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3969 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3970 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3973 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3975 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3976 LO_SUM cases to where they belong.
3978 2001-04-02 Richard Henderson <rth@redhat.com>
3980 * except.h (lang_eh_type_covers): Mark extern.
3981 (lang_eh_runtime_type): Likewise.
3983 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3985 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3986 gengenrtl.c: Wrap generated header in multiple-include guard.
3987 Improve error checking.
3989 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3991 * configure.in: Don't check for putenv.
3992 * configure: Regenerate.
3993 * gcc.c (putenv): Don't define.
3994 * vax/xm-vms.h: Handle putenv.
3996 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3998 * ifcvt.c (noce_emit_move_insn): New.
3999 (noce_try_store_flag, noce_try_store_flag_constants,
4000 noce_try_store_flag_inc, noce_try_store_flag_mask,
4001 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
4002 noce_try_abs): Use it.
4003 (noce_process_if_block): Likewise.
4004 For STRICT_LOW_PART, take mode from its SUBREG.
4006 2001-04-02 Jakub Jelinek <jakub@redhat.com>
4008 * fold-const.c (fold): Before optimizing unsigned comparison with
4009 0x7fffffffU, make sure arg0 is integral type.
4011 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
4013 * c-tree.texi: Document representation of wide strings.
4015 2001-04-01 Richard Henderson <rth@redhat.com>
4017 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
4019 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
4021 * i386.md: remove obsoleted comments.
4022 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
4023 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
4024 fix output template.
4026 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
4028 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
4030 2001-03-30 Bernd Schmidt <bernds@redhat.com>
4032 * loop.c (load_mems): When generating a load from a pseudo, update
4035 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
4037 * i386.c (ix86_split_long_move): Use change address to compensate
4038 stack pointer change in push instruction.
4040 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
4042 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
4043 instead of rtx_equal_p; fix the output template.
4045 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
4047 * i386.c (ix86_expand_setcc): Support 64bit.
4048 (ix86_expand_int_movcc): Likewise.
4049 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
4052 * i386.md (allocate_stack_worker): Turn to expander.
4053 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
4055 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
4057 2001-03-29 Richard Henderson <rth@redhat.com>
4059 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
4061 2001-03-28 Matthew Hiller <hiller@redhat.com>
4063 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
4066 * MAINTAINERS: Added self.
4068 2001-03-28 Richard Henderson <rth@redhat.com>
4070 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
4071 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
4073 2001-03-28 Jim Wilson <wilson@redhat.com>
4075 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
4078 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4080 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
4082 * tradcif.y (yyerror): Likewise. Add format specifier in call to
4085 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
4087 2001-03-28 DJ Delorie <dj@redhat.com>
4089 * Makefile.in (stage1_build): Revert CFLAGS patch.
4091 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
4093 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
4094 when multiplier or multiplicand is zero.
4096 2001-03-28 Bernd Schmidt <bernds@redhat.com>
4098 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
4100 * config/ia64/ia64.c (update_set_flags): New function, broken out of
4102 (set_src_needs_barrier): Likewise.
4103 (rtx_needs_barrier): For SET case, use these two functions. Rework
4104 PARALLEL case to handle all inputs before all outputs.
4105 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
4106 saw a label and no stop bit since then.
4107 (maybe_rotate, process_epilogue): Add prototypes.
4109 2001-03-28 Richard Henderson <rth@redhat.com>
4111 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
4112 not TARGET_TOC for special toc restore handling.
4113 * config/rs6000/rs6000.md (eh_return): Likewise.
4115 2001-03-28 Richard Henderson <rth@redhat.com>
4117 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
4118 current_function_calls_eh_return.
4119 (output_function_epilogue): Handle eh_return.
4120 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
4121 (EH_RETURN_DATA_REGNO): New.
4122 (EH_RETURN_STACKADJ_RTX): New.
4123 (EH_RETURN_HANDLER_RTX): New.
4124 * config/sparc/sparc.md (call/short branch peepholes): Check
4125 can_throw_internal instead of in_same_eh_region.
4127 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
4128 for eh_return data registers.
4129 (rs6000_emit_prologue): Save eh_return data registers.
4130 (rs6000_emit_epilogue): Force inline restores if eh_return.
4131 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
4132 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
4133 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
4134 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
4135 the target uses one.
4136 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
4137 (return_eh_si, return_eh_di): Remove.
4138 (eh_return): New, from corpse of eh_epilogue.
4139 (eh_set_lr_si, eh_set_lr_di): New.
4141 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
4142 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
4143 True for pic register if current_function_calls_eh_return.
4144 (ix86_expand_epilogue): Change "emit_return" argument into "style".
4145 Handle eh_return requirements.
4146 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
4147 (EH_RETURN_STACKADJ_RTX): New.
4148 * config/i386/i386.md (exception_receiver): Remove.
4149 (eh_return, eh_return_1): New.
4150 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4152 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
4153 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
4154 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
4155 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
4156 (EH_RETURN_DATA_REGNO): New.
4157 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
4158 * config/alpha/alpha.md (eh_epilogue): Remove.
4159 (exception_receiver): Use $26 for ldgp input.
4160 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
4162 2001-03-28 Richard Henderson <rth@redhat.com>
4164 * except.c: Rewrite entirely for IA-64 ABI exception handling.
4165 * except.h: Likewise.
4167 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
4168 (LIB2ADDEHDEP): New.
4169 (LIB2FUNCS_EH): Remove.
4170 (LIB2ADD): Remove LIB2ADDEH.
4171 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
4172 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
4173 (crt{begin,end}[S].o): Likewise.
4174 (except.o): Update includes.
4175 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
4176 (libgcc2_c_dep): Use LIB2ADDEHDEP.
4178 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
4179 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
4180 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
4181 * builtins.c (expand_builtin): Implement it.
4182 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
4183 * c-common.c (c_common_nodes_and_builtins): Declare it.
4184 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
4185 * calls.c (libfunc_nothrow): Remove.
4186 (emit_library_call_value_1): Don't call it.
4187 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
4188 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
4189 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
4190 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
4191 (current_funcdef_number): Globalize.
4192 (output_call_frame_info): Emit frame data if an lsda is needed.
4193 Generate augmentation for personality routine. Don't play with
4195 (dwarf2out_begin_prologue): Record funcdef_number.
4196 * dwarf2out.h (current_funcdef_number): Declare.
4197 * expr.c (expand_expr): Update for except.h name changes.
4198 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
4199 * expr.h (LTI_throw, LTI_rethrow): Remove.
4200 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
4201 (LTI_eh_rtime_match): Remove.
4202 (LTI_unwind_resume, LTI_eh_personality): Add.
4203 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
4204 * final.c (final): Don't call check_exception_handler_labels,
4205 init_insn_eh_region, or free_insn_eh_region.
4206 (final_scan_insn): Always emit debug labels for
4207 NOTE_INSN_EH_REGION notes.
4208 * flags.h (flag_new_exceptions): Remove.
4209 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
4210 (record_active_eh_regions): Remove.
4211 (count_basic_blocks): Check all instructions for REG_EH_REGION.
4212 Use can_throw_internal.
4213 (find_basic_blocks_1): Likewise.
4214 (move_stray_eh_region_notes): Remove.
4215 (find_label_refs): No eh_return_stub_label.
4216 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
4217 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
4219 (delete_unreachable_blocks): Don't track deleted handlers.
4220 (flow_delete_block): Use maybe_remove_eh_handler.
4221 (delete_eh_regions): Remove.
4222 (merge_blocks): Don't check for eh region match.
4223 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
4224 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
4225 (init_propagate_block_info): Disable dead frame store optimization
4226 when current_function_calls_eh_return.
4227 (dump_bb): Don't print eh_beg, eh_end.
4228 * function.c (fixup_var_refs): No catch_clauses.
4229 (expand_function_end): Likewise. Call expand_eh_return before
4230 the return register use. Call sjlj_emit_function_exit_after.
4231 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
4232 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
4233 * ifcvt.c (dead_or_predicable): Remove eh region check.
4234 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
4235 Don't check for EH vs parameters.
4236 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
4237 (expand_inline_function): Call duplicate_eh_regions.
4238 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
4239 (copy_insn_notes): Remap REG_EH_REGION notes.
4240 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
4241 * integrate.h (struct inline_remap): Add local_return_label.
4242 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
4243 check_exception_handler_labels, nor exception_optimize.
4244 (find_cross_jump): No EH region check.
4245 * optabs.c (init_optabs): Update for changed eh libfuncs.
4246 * rtl.def (RESX): New.
4247 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
4248 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
4249 checks. Update for except.h name changes.
4250 (expand_cleanups): Likewise.
4251 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
4252 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
4253 (compile_file): Call init_eh before init_optabs. Don't
4254 output_exception_table here.
4255 (rest_of_compilation): Call convert_from_eh_region_ranges,
4256 convert_to_eh_region_ranges, output_function_exception_table.
4257 Don't emit_eh_context.
4258 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
4259 (EXC_PTR_EXPR): New.
4261 * md.texi (eh_epilogue): Remove.
4262 (eh_return): Document.
4263 * tm.texi (EH_RETURN_DATA_REGNO): Document.
4264 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
4266 * eh-common.h: Remove file.
4267 * frame-dwarf2.c, frame.c, frame.h: Remove files.
4268 * libgcc2.c (L_eh): Remove.
4270 * unwind-dw2-fde.c: New file, largely copied from frame.c.
4271 * unwind-dw2-fde.h: New file.
4272 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
4273 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
4274 * libgcc-std.ver: Update for eh symbols.
4276 2001-03-27 Richard Henderson <rth@redhat.com>
4278 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
4279 reduce false positives.
4280 (regmove_optimize): Disable if flag_non_call_exceptions.
4282 * stmt.c (expand_return): Remove always true predicate.
4283 (expand_decl_cleanup_no_eh): Remove dead code.
4285 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
4286 barrier code. Add a scheduling barrier if a non-call insn
4287 can throw internally.
4289 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
4290 Auto-inc addresses trap only if their base register does.
4292 * except.c (can_throw_internal): Rename from can_throw.
4293 * except.h, resource.c: Update references.
4295 * integrate.c (copy_insn_list): Use returnjump_p.
4296 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
4298 * function.h (struct function): Move all boolean valued fields
4299 to single bit fields at the end of the struct.
4301 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
4303 Rename asynchronous_exceptions to flag_non_call_exceptions.
4305 * gthr-single.h (UNUSED): New. Distinguish between how C
4306 and C++ mark unused function arguments. Use throughout.
4308 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
4309 value to target configuration header.
4310 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
4311 * config.in, configure: Rebuild.
4312 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
4313 configuration and target defines.
4314 (exceptions_via_longjmp): Remove.
4315 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
4316 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
4318 * except.h (flag_non_call_exceptions): Move ...
4319 * flags.h: ... here.
4321 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
4322 exceptions, put the note on the trapping instruction.
4324 * flags.h (flag_new_exceptions): Remove.
4325 * toplev.c: Don't set it.
4326 * final.c: Don't check it.
4327 * except.c: Provide stub definition.
4329 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
4330 (calculate_global_regs_live): Kill call-clobbered registers
4331 across exception edges.
4332 * reg-stack.c (convert_regs_1): Kill the entire target stack
4333 across non-call exception edges.
4335 * flow.c (cleanup_cfg): Take no argument.
4336 * output.h, sibcall.c, toplev.c: Update all calls.
4338 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4340 * configure.in: Don't check for bcopy.
4341 * configure, config.in: Regenerate.
4343 * system.h: Don't define or prototype bcopy, instead poison it.
4345 2001-03-27 Richard Henderson <rth@redhat.com>
4347 * function.c (expand_function_start): Set DECL_REGISTER on
4348 a pseudo used for DECL_RESULT.
4350 * rtl.h (LCT_NORETURN): New.
4351 * calls.c (emit_library_call_value_1): Handle it.
4353 2001-03-27 Stan Shebs <shebs@apple.com>
4355 * objc/objc-act.c (objc_init): Use dump_base_name.
4356 (gen_declaration): Clear the buffer arg.
4357 (gen_declaration_1): New function, body of gen_declaration.
4358 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
4359 (gen_method_decl): Ditto, plus always clear buffer arg.
4360 (error_with_ivar): Simplify.
4361 (warn_with_method): Ditto.
4362 (build_message_expr): Don't clear buffers.
4363 (dump_interface): Ditto.
4364 (objc_debug): Ditto.
4365 (build_keyword_selector): Clear the buffer by only zeroing
4367 (objc_implementation_context): Declare.
4368 (start_class): Warn about missing @end.
4369 (finish_objc): Ditto.
4371 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
4373 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
4375 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4377 * Makefile.in (SYSTEM_H): Define.
4378 Depend on $(SYSTEM_H), not system.h.
4380 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
4382 2001-03-27 Jim Wilson <wilson@redhat.com>
4384 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
4386 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
4387 (process_epilogue): New static function.
4388 (process_set): Call process_epilogue instead of emitting .restore
4390 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
4392 * flow.c (struct reg_cond_life_info): New fields orig_condition
4394 (init_propagate_block_info): Set new fields.
4395 (mark_regno_cond_dead): Set and use new fields.
4396 (flush_reg_cond_reg_1): Likewise.
4397 (and_reg_cond, case AND): Check for redundant AND conditions.
4398 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
4401 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
4403 * cppmacro.c (stringify_arg): Null terminate strings.
4405 2001-03-27 Zack Weinberg <zackw@stanford.edu>
4407 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
4408 inclusion style. xm-m68hc11.h no longer exists.
4409 * config/m68hc11/xm-m68hc11.h: Delete file.
4410 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
4412 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
4413 Don't define GCC_VERSION, N_, or PARAMS; don't include
4414 gansidecl.h or stdio.h. Define inhibit_libc here.
4415 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4416 Delete code conditioned on #if GCC_VERSION == 2095.
4418 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
4419 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
4420 Delete code conditioned on #if GCC_VERSION == 2095.
4422 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4424 * system.h: Include symcat.h.
4425 (STRINGIFY): Don't define.
4427 * configure.in: Adjust comment.
4429 * builtins.c: Use STRINGX, not STRINGIFY.
4430 * gencheck.c: Likewise.
4431 * gengenrtl.c: Likewise.
4432 * protoize.c: Likewise.
4434 * cpplex.c: Don't include symcat.h.
4435 * cpplib.c: Likewise.
4437 * gansidecl.h (HAVE_STRINGIZE): Don't define.
4439 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4441 * c-typeck.c (digest_init): Fold init expression.
4443 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4445 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
4447 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4449 * except.c (eh_regs): Save results of build_pointer_type to a temp
4450 as FUNCTION_VALUE macro may evaluate its args multiple times.
4452 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4454 * c-common.h (DECL_NUM_STMTS): New macro.
4455 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4457 (pushdecl): Likewise.
4458 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4459 * integrate.c (expand_inline_function): Don't check
4461 * print-tree.c (print_node): Don't print it.
4462 * toplev.c (rest_of_compilation): Don't try to inline when
4463 flag_no_inline is on.
4464 * tree.h (DECL_FRAME_SIZE): Remove.
4465 (tree_decl): Adjust accordingly.
4467 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4469 * combine.c (try_combine): Use memcpy, not bcopy.
4471 * genattrtab.c (expand_units): Likewise.
4473 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4475 * i386.md (push mem DI peep2): New.
4476 (mov 0, mov -1 peep2): Handle 64bit.
4477 (lea to arithmetics peep2): Handle 64bit leas.
4478 (rsp arithmetics to push/pop peep2s): New.
4480 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4482 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4484 * i386.c (struct machine_function): Add save_varrargs_registers.
4485 (ix86_save_varrargs_registers): New macro.
4486 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4487 (ix86_expand_prologue): Likewise.
4488 (ix86_emit_epilogue_esp_adjustement): Likewise.
4489 (ix86_expand_epilogue): Likewise.
4490 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4491 (pro_epilogue_adjust_stack_1): New insn.
4492 (pro_epilogue_adjust_stack_rex64): Likewise.
4493 * i386.h (MASK_NO_RED_ZONE): New constant.
4494 (TARGET_RED_ZONE): New macro.
4495 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4496 (RED_ZONE_SIZE): New constant.
4497 (RED_ZONE_RESERVE): New constant.
4499 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4501 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4503 2001-03-25 Kazu Hirata <kazu@hxi.com>
4505 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4508 (umodhi3): Likewise.
4511 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4513 * mkconfig.sh (DEFINES): Handle entries with '='.
4515 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4516 Set xm_defines to MACRO=value instead.
4518 * i370/xm-mvs.h: Delete.
4520 * ns32k/xm-pc532-min.h: Likewise.
4522 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4524 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4526 use ix86_expand_binary_operator
4527 (?sh??i_?): Disable for 64bit.
4528 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4529 * i386.c (shiftdi_operand): New predicate.
4531 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4532 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4533 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4534 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4535 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4536 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4537 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4538 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4539 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4540 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4541 (rotldi3, rotrdi3): New expanders.
4543 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4545 * i386.md (movstrsi): Move offline.
4547 (strmovdi_rex64): New.
4548 (strmov?i): Accept 64bit.
4549 (strmov?i_rex64): New.
4550 (strmov?i_rex_1): New.
4551 (strmov?i_1): Disable for 64bit.
4552 (rep_mov?i_rex64): New.
4553 (rep_mov?i): Disable for 64bit.
4554 (clrstrsi): Move offline.
4555 (strset?i_rex64): New.
4556 (strset?i: Accept 64bit.
4557 (rep_stos?i): Disable for 64bit.
4558 (rep_stos?i_rex64): New.
4559 (strset?i_rex_1): New.
4560 (strset?i_1): Disable for 64bit.
4561 (cmpstrsi): Accept 64bit.
4562 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4563 (cmpstrqi_nz_rex_1): New.
4564 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4565 (strlensi): Move offline.
4567 (strlenqi_1): Disable for 64bit; fix constraints.
4568 (strlenqi_rex_1): New.
4569 * i386.c (ix86_adjust_counter): New static function.
4570 (ix86_zero_extend_to_Pmode): Likewise.
4571 (ix86_expand_aligntest): Likweise.
4572 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4573 (ix86_expand_movstr): New global function.
4574 (ix86_expand_clrstr): New global function.
4575 (ix86_expand_strlen): New global function.
4576 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4577 ix86_expand_strlen): Declare.
4578 (ix86_expand_strlensi_unroll_1): Delete.
4580 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4582 * i386.md (cmpdi): Fix operand predicates.
4583 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4584 cmpdi_1_insn_rex64): New patterns.
4585 (adddi3): Turn to expander.
4586 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4587 (addsi3_carry_zext): New pattern.
4588 (adddi_?_rex64): New patterns and splitters.
4589 (addsi_?_zext): New patterns.
4590 (subsi3_carry_zext): New pattern.
4591 (subdi_?_rex64): New patterns and splitters.
4592 (iorsi_?_zext): New patterns.
4593 (iordi_?_rex64): New patterns and splitters.
4594 (iorsi_?_zext): New patterns.
4595 (iorsi_?_zext_imm): New patterns.
4596 (xorsi_?_zext): New patterns.
4597 (xordi_?_rex64): New patterns and splitters.
4598 (xorsi_?_zext): New patterns.
4599 (negdi*): New patterns.
4600 (one_cmpldi*): Likewise.
4601 (one_cmplsi*_zext, negsi*_zext): Likewise.
4602 (testqi_ext_3_rex64): New pattern.
4604 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4606 * i386-protos.h (ix86_split_long_move): Return void.
4607 * i386.c (ix86_split_to_parts): Handle 64bit target.
4608 (ix86_split_long_move): Likewise.
4609 * i386.md (all calls to ix86_split_long_move): Update.
4611 2001-03-23 Richard Henderson <rth@redhat.com>
4613 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4614 to avoid shadowing arguments.
4616 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4618 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4619 to variable names where DECL_NAME is different from
4620 DECL_ASSEMBLER_NAME.
4622 2001-03-23 Jim Wilson <wilson@redhat.com>
4624 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4625 (assemble_alias): Call make_decl_rtl.
4627 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4629 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4631 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4633 * extend.texi: Document the "java_interface" attribute.
4635 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4637 * mkconfig.sh: Use a subshell with redirected stdout,
4638 instead of closing stdout and confusing commands that run
4639 afterward. Throw away output of cmp.
4641 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4643 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4645 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4647 * i386.md (zero_extendsidi2_32): Break out from ...
4648 (zero_extendsidi2): ... here ; turn to expander.
4649 (zero_extendsidi2_rex64): New.
4650 (extendsidi2_32): Break out from ...
4651 (extendsidi2): ... here ; turn to expander.
4652 (extendsidi2_rex64): New.
4653 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4654 (trunc?f?f splitters): Add 64bit versions.
4656 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4658 * i386.md (pushsi, pushsi2_prologue): Disable.
4659 (pushsi2_rex64): New.
4660 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4661 (movqi_ext_1): Disable for 64bit.
4662 (movqi_ext_1_rex64): New.
4663 (pushdi2_rex64): New pattern, peep2s and splitter.
4664 (pushdi2_prologue_rex64): New pattern.
4665 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4667 (movdi splitters): Disable for 64bit.
4668 (movdi_1_rex64): New pattern, peep2s and splitters.
4669 (swapdi): New pattern.
4670 (pushsf): Disable for 64bit.
4671 (pushsf_rex64): New pattern and splitter.
4672 (pushdf_nointeger): Disable for 64bit.
4673 (pushdf_integer): Handle the 64bit case.
4674 (pushtf): Likewise; update splitters.
4676 2001-03-22 Richard Henderson <rth@redhat.com>
4678 * mkconfig.sh: Include insn-flags.h.
4679 * Makefile.in (CONFIG_H): Include insn-flags.h.
4680 (lots of objects): Remove insn-codes.h and insn-flags.h.
4682 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4683 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4684 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4685 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4686 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4687 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4688 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4689 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4690 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4691 v850/v850.c, vax/vax.c:
4692 Don't include insn-flags.h.
4694 * diagnostic.c, expr.h, reload.c, toplev.c:
4695 Don't include insn-codes.h.
4697 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4698 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4699 c4x/c4x.c, i960/i960.c, mips/mips.c:
4700 Don't include insn-codes.h or insn-flags.h.
4702 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4703 or insn-flags.h in the generated code.
4704 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4705 (main): Forward declare struct rtx_def.
4707 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4709 * invoke.texi (-ffast-math): Remove duplicate line about
4712 * gcc.texi: Remove more obsolete documentation of bugs and
4713 installation problems.
4715 2001-03-21 Kazu Hirata <kazu@hxi.com>
4717 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4720 2001-03-20 Jason Merrill <jason@redhat.com>
4722 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4724 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4725 * varasm.c (CHKR_PREFIX): Likewise.
4727 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4729 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4730 is part of a multi-SET insn.
4732 * cse.c (find_comparison_args): Remove previous change.
4733 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4736 * config/i386/i386.md (conditional_trap): Remove warning.
4738 * recog.c (push_operand): Fix error in last change that caused
4739 undefined symbol on many targets.
4741 * sdbout.c: #include ggc.h.
4742 (sdbout_init): Move to end of file.
4743 Call ggc_add_tree_root for anonymous_types.
4744 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4745 (sdbout_one_type): Use DECL_NAME for field name.
4746 * Makefile.in (sdbout.o): Show includes ggc.h.
4748 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4750 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4751 (override_options): Use properlimits for preferred_stack_boundary.
4752 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4754 (ext_register_operand): Accept DImode.
4755 (load_pic_register): Abort on 64bit.
4756 (gen_push): Use Pmode instead of SImode.
4757 (ix86_save_reg): Pic reg is never used on 64bit.
4758 (ix86_expand_prologue): Likewise.
4759 (ix86_emit_save_regs): Use Pmode instead of SImode.
4760 (legitimate_address_p): Check displacement for 64bit.
4761 (print_operand): Avoid outputting of (%rip) on 64bit.
4762 (print_operand_address): Output (%rip) where possible.
4763 (split_di): Abort on 64bit registers.
4764 (ix86_expand_branch): DImode comparison is simple for x86_64.
4765 (memory_address_length): Recognize memory addresses formed using
4767 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4769 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4771 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4773 * recog.c (push_operand): Recognize new format of push instructions.
4775 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4777 * i386.md (pushqi1): New.
4778 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4779 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4780 x86_64_immediate_operand, x86_64_immediate_operand,
4781 x86_64_zext_immediate_operand): Declare.
4782 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4783 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4784 x86_64_immediate_operand, x86_64_immediate_operand,
4785 x86_64_zext_immediate_operand): define.
4786 * i386.h (PREDICATE_CODES): Add new predicates.
4788 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4790 * i386.md (pophi1, popqi1, pushqi1): Remove.
4792 * expr.c (emit_single_push_insn): New function.
4793 (move_by_pieces): Accept NULL as destination for push instructions.
4794 (gen_push_operand): Kill.
4795 (emit_push_insn): Pass NULL when pushing; avoid updating of
4796 stack_pointer_delta.
4797 * expr.h (gen_push_operand): Kill.
4799 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4801 * rtl.texi (COMPARE): Clarify documentation and reference section
4804 2001-03-20 Stan Shebs <shebs@apple.com>
4806 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4807 (get_object_reference): Ditto.
4808 (error_with_ivar): Use error_with_file_and_line.
4809 (warn_with_method): Use warning_with_file_and_line.
4811 2001-03-20 Tom Tromey <tromey@redhat.com>
4813 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4815 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4817 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4818 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4820 2001-03-20 DJ Delorie <dj@redhat.com>
4822 * Makefile.in (install-libgcc): Pass complete list of variables.
4823 (install-multilib): Ditto.
4825 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4827 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4828 drectve_section, switch_to_section.
4830 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4831 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4832 i386_pe_mark_dllimport.
4834 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4836 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4837 functions i386_pe_*.
4839 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4840 i386_pe_* functions with char * arguments.
4842 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4844 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4846 (movsi_ie): Introduce fpul store.
4848 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4850 * Makefile.in (OBJS): Remove hashtab.o.
4852 2001-03-19 Stan Shebs <shebs@apple.com>
4854 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
4855 * c-lang.c (maybe_objc_method_name): Ditto.
4856 * c-tree.h (maybe_objc_method_name): Remove decl.
4858 2001-03-19 Tom Tromey <tromey@redhat.com>
4860 * gcc.c (init_gcc_specs): Fix comment.
4862 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4864 Compute DECL_ASSEMBLER_NAME lazily.
4865 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4866 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4867 (SET_DECL_ASSEMBLER_NAME): Likewise.
4868 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4869 (set_decl_assembler_name): Declare.
4870 (lang_set_decl_assembler_name): Likewise.
4871 * tree.c (lang_set_decl_assembler_name): New variab.e
4872 (set_decl_assembler_name): New function.
4873 (init_obstacks): Set lang_set_decl_assembler_name.
4874 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4875 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4876 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4877 where it's not necessary.
4878 (builtin_function): Likewise.
4879 (finish_decl): Likewise.
4880 * dbxout.c (dbxout_type_methods): Likewise.
4881 * ggc-common.c (ggc_mark_trees): Likewise.
4882 * profile.c (output_func_start_profiler): Likewise.
4883 * varasm.c (make_decl_rtl): Likewise.
4885 * cse.c (find_comparison_args): Update documentation. Fix
4886 mishandling of COMPARE operations.
4888 * tree.def (ABS_EXPR): Add documentation.
4889 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4891 2001-03-19 Zack Weinberg <zackw@stanford.edu>
4893 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
4895 2001-03-19 Jakub Jelinek <jakub@redhat.com>
4897 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4898 Remove ia32 linux PIC kludge and move it...
4899 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4901 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
4903 * i386.md (absdf2 expander): Fix 64bit case.
4905 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
4907 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4909 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4911 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4913 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4915 * README.X11: Remove obsolete file.
4917 2001-03-18 Anthony Green <green@redhat.com>
4919 * config/pj/pj.h: Remove some trailing commas.
4920 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4922 2001-03-18 Richard Henderson <rth@redhat.com>
4924 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4925 * calls.c: ... here.
4926 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4927 defaults for them here.
4929 2001-03-17 Anthony Green <green@redhat.com>
4931 * config/pj/lib1funcs.S: Fix broken comment.
4932 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4935 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4937 * gcc.texi: Remove obsolete information relating to build and
4938 installation problems with enquire or the Pyramid C compiler.
4940 2001-03-17 Richard Henderson <rth@redhat.com>
4942 * dwarf2out.c (queue_reg_save): New.
4943 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4944 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4946 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4947 (cfa, cfa_store, cfa_temp): Make static.
4948 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4950 2001-03-17 Richard Henderson <rth@redhat.com>
4952 * integrate.h (struct inline_remap): Add local_return_label.
4953 * integrate.c (expand_inline_function): Initialize it and emit
4954 it after copy_insn_notes.
4955 (copy_insn_list): Don't store local_return_label here.
4956 (copy_insn_notes): New function split out from copy_insn_list.
4958 2001-03-17 Richard Henderson <rth@redhat.com>
4960 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4961 is generating .debug_line.
4962 (dwarf2out_init): Add main_input_filename to the file table first.
4963 * configure.in (as_dwarf2_debug_line): Test with file number 1
4964 instead of file number 0.
4966 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4968 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4969 (gen_rtx_combine): Deleted; all references changed as appropriate.
4970 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4972 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4974 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4976 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4979 2001-03-16 Jim Wilson <wilson@redhat.com>
4981 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4982 then set it to LOC_REG (79) instead of aborting.
4984 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4986 * gccbug.in: Remove high priority.
4988 2001-03-16 Richard Henerson <rth@redhat.com>
4990 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4991 output with a space instead of deleting it.
4992 * configure: Regenerate.
4994 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4996 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4997 handles the gory details of converting an object file into
4998 something that's safe to grep.
4999 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
5000 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
5001 newlines at either end of the string we're looking for.
5002 Make 'checking ...' message less stilted.
5003 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
5004 ARM in-memory layout and its hypothetical converse. Don't
5005 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
5006 HOST_WORDS_BIG_ENDIAN.
5008 * configure.in: Adjust for renamed macro. Move
5009 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
5010 * configure, config.in: Regenerate.
5012 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5014 * fixinc/Makefile.in: Set SHELL.
5016 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5018 * fixinc/fixincl.c (fix_with_system): Quote file names before
5019 passing them to shell.
5021 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
5023 * Makefile.in: Use fix-header$(build_exeext) instead
5026 2001-03-16 Richard Henderson <rth@redhat.com>
5028 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
5029 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
5030 (size_of_line_prolog): Remove.
5031 (output_line_info): Compute prologue size via label difference.
5032 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
5034 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
5035 assembler error when redefining file numbers.
5036 * config.in, configure: Rebuild.
5038 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
5039 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
5040 (dw2_asm_output_delta_uleb128): Likewise.
5041 (dw2_asm_output_delta_sleb128): Similarly.
5042 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
5044 2001-03-16 Michael Meissner <meissner@redhat.com>
5046 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
5048 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
5050 (BITMASK_LOWER16): Replacement for 0x0000ffff.
5052 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
5053 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
5054 being unsigned in ISO C and signed in traditional.
5055 (expand_prologue): Ditto.
5056 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
5058 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
5060 (divsi3,divdi3): Ditto.
5061 (modsi3,moddi3): Ditto.
5062 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
5063 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
5064 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
5067 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
5069 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
5070 SSE based conditional moves on LTGT/UNEQ conditions;
5071 Canonicalize EQ to NE.
5072 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
5073 (sse_mov?fcc_ne): New.
5075 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
5077 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5079 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
5080 register may be dead.
5082 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
5084 * Makefile.in (hash.o): Depend on CONFIG_H.
5086 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5088 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
5090 2001-03-15 Richard Henderson <rth@redhat.com>
5092 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
5093 (ASM_OUTPUT_DWARF_PCREL): New.
5094 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
5096 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
5098 * cppfiles.c (stack_include_file): Use MAX of sysp.
5100 2001-03-15 Steve Ellcey <sje@cup.hp.com>
5102 * config.gcc (ia64*-*-hpux*): New case.
5103 * config/ia64/hpux.h: New file for HP-UX support.
5104 * config/ia64/t-hpux: New file for HP-UX support.
5106 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
5108 * fixinc/inclhack.def (irix_stdio_va_list): New.
5109 * fixinc/fixincl.x: Rebuilt.
5111 2001-03-15 Richard Henderson <rth@redhat.com>
5113 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
5114 if provided by the target.
5115 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
5116 (dw2_asm_output_addr): New.
5117 * dwarf2asm.h (dw2_asm_output_addr): Declare.
5118 * dwarf2out.c (output_cfi): Use it for program addresses.
5119 (output_call_frame_info, output_die): Likewise.
5120 (output_aranges, output_line_info): Likewise.
5122 2001-03-15 Bruce Korb <bkorb@gnu.org>
5124 * gcc.c(main): make more rigorous
5125 * collect2.c(main): guard against ignoring SIGCHLD
5126 * protoize.c(main): ditto
5127 * gcc/fixinc/fixincl.c(initialize): ditto
5129 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5131 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
5132 (sdbout_parms): Likewise.
5134 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
5136 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
5137 "widen" a destination that is already wider than a word. Also do
5138 not widen if LOAD_EXTEND_OP is NIL for the given mode.
5140 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5142 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
5144 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
5146 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
5148 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
5150 * i960.h (i960_maxbitalignment,
5151 i960_last_maxbitalignment): Declare.
5152 * i960.c (i960_maxbitalignment,
5153 i960_last_maxbitalignment): Make global.
5154 (process_pragma): Delete.
5155 (i960_pr_align, i960_pr_noalign): Move from here ...
5156 * i960-c.c: ... to this new file.
5157 * t-960bare (i960-c.o): New rule.
5158 * t-vxworks960 (i960-c.o): Likewise.
5159 * config.gcc (i960-*-*): Define c_target_objs and
5162 2001-03-15 Bernd Schmidt <bernds@redhat.com>
5164 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
5165 without adding in rtx code and mode.
5167 * alias.c (init_alias_analysis): Don't use any rtx whose value
5168 varies as a known value.
5169 Delete a superfluous test.
5171 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
5173 (ia64_sched_reorder): Call maybe_rotate; also rotate after
5174 scheduling a stop bit.
5175 (ia64_emit_nops): Correctly handle ASMs.
5177 2001-03-15 Mark Mitchell <mark@codesourcery.com>
5179 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
5181 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
5183 * cpp.texi: Update documentation for -include and -imacros.
5184 * cppfiles.c (struct include_file): Remove "defined" memeber.
5185 (find_or_create_entry): Make a copy of the file name, and
5187 (open_file): Update to ensure we use the simplified filename.
5188 (stack_include_file): Don't set search_from.
5189 (cpp_included): Don't simplify the path name here.
5190 (find_include_file): New prototype. Call search_from to
5191 get the start of the "" include chain. Don't simplify the
5193 (_cpp_execute_include): New prototype. Move diagnostics to
5194 do_include_common. Update.
5195 (_cpp_pop_file_buffer): Don't set defined.
5196 (search_from): New prototype. Use the preprocessor's cwd
5197 for files included from the command line.
5198 (read_name_map): Don't simplify the pathname here.
5199 * cpphash.h (enum include_type): New.
5200 (struct buffer): Delete search from. New search_cached.
5201 (_cpp_execute_include): Update prototype.
5202 * cppinit.c (do_includes): Use _cpp_execute_include.
5203 * cpplib.c (do_include_common): New function.
5204 (do_include, do_include_next, do_import): Use it.
5206 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5208 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
5209 contents of the RTL, to determine the name of the object.
5211 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5213 * tree.h (DECL_RTL): Allocate RTL lazily.
5214 (SET_DECL_RTL): New macro.
5215 (DECL_RTL_SET_P): Likewise.
5216 (COPY_DECL_RTL): Likewise.
5217 (DECL_RTL_IF_SET): Likewise.
5218 * varasm.c (make_decl_rtl): Add assertions about the kind of
5219 declaration we are processing.
5220 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
5221 (start_decl): Likewise.
5222 (finish_decl): Likewise.
5223 * c-semantics.c (emit_local_var): Likewise.
5224 * calls.c (expand_call): Likewise.
5225 * dbxout.c (dbxout_symbol): Likewise.
5226 * emit-rtl.c (unshare_all_rtl): Likewise.
5227 (unshare_all_decls): Likewise.
5228 (reset_used_decls): Likewise.
5229 * expr.c (store_constructor): Likewise.
5230 (safe_from_p): Likewise.
5231 (expand_expr): Likewise.
5232 * function.c (put_var_into_stack): Likewise.
5233 (instantiate_decls_1): Likewise.
5234 (assign_parms): Likewise.
5235 (expand_function_start): Likewise.
5236 (expand_function_end): Likewise.
5237 * ggc-common.c (gcc_mark_trees): Likewise.
5238 * integrate.c (function_cannot_inline_p): Likewise.
5239 (copy_decl_for_inlining): Likewise.
5240 (expand_inline_function): Likewise.
5241 (integrate_parm_decls): Likewise.
5242 (integrate_decl_tree): Likewise.
5243 * print-tree.c (print_node): Likewise.
5244 * reg-stack.c (stack_result): Likewise.
5245 * stmt.c (label_rtx): Likewise.
5246 (expand_return): Likewise.
5247 (expand_decl): Likewise.
5248 (expand_decl_cleanup): Likewise.
5249 (expand_anon_union_decl): Likewise.
5250 * toplev.c (check_global_declarations): Likewise.
5251 (rest_of_decl_compilation): Likewise.
5252 * tree.c (simple_cst_equal): Likewise.
5253 * objc/objc-act.c (generate_static_references): Likewise.
5255 2001-03-14 Zack Weinberg <zackw@stanford.edu>
5257 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
5258 gcc_AC_C_FLOAT_FORMAT): New macros.
5259 * configure.in: Add AC_PROG_CPP after CC tests;
5260 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
5261 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
5262 * configure, config.in: Regenerate.
5264 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
5265 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
5266 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5267 config/i370/xm-linux.h, config/i370/xm-oe.h,
5268 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
5269 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
5270 config/pa/xm-linux.h, config/pa/xm-pa.h,
5271 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
5272 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
5273 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
5274 config/we32k/xm-we32k.h: Delete.
5276 * config/i370/xm-mvs.h, config/m88k/m88k.h,
5277 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5278 config/vax/xm-vms.h: Don't define any of:
5279 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
5281 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
5283 * config.gcc: Remove references to deleted files.
5284 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
5285 FATAL_EXIT_CODE, which is the same between oe and mvs).
5287 2001-03-14 DJ Delorie <dj@redhat.com>
5288 Vladimir Makarov <vmakarov@redhat.com>
5290 * config/i960/i960.c (i960_function_prologue): Compute size of
5291 frame according to number of registers actually saved there.
5293 2001-03-14 Richard Henderson <rth@redhat.com>
5295 * expr.c (emit_move_insn_1): Fix else if around #endif.
5297 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
5300 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
5303 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
5305 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
5306 (override_options): Parse cmodel string.
5307 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
5308 * i386.h (TARGET_OPTIONS): Add "cmodel".
5309 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
5311 (ix86_cmodel_string, ix86_cmodel): Declare.
5313 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
5316 * i386.h (GENERAL_REG_P): Add missing REG_P.
5318 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
5320 * configure.in: Use $gcc_cv_as instead of $as.
5321 * configure: Regenerated.
5323 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
5325 * cppfiles.c (stack_include_file): Only increase the include
5326 count if we actually process the file properly, as opposed
5327 to treating it as length zero. Only call read_include_file
5328 if not DO_NOT_REREAD. Handle the -H include file output
5330 (read_include_file): Remove now redundant DO_NOT_REREAD check.
5331 (cpp_included, find_include_file): Simplify pathnames after
5332 remapping them. If remapping, don't use the remapped file
5333 name's buffer as our scratch buffer.
5334 (cpp_pop_file_buffer): Replace the multiple include macro
5335 only if it isn't yet set.
5336 (read_name_map): Simplify remapped names when reading in.
5337 (remap_filename): Move code to code path that uses it.
5338 (_cpp_simplify_pathname): Return the input pointer.
5339 * cpphash.h (_cpp_simplify_pathname): Update prototype.
5341 2001-03-14 Mark Mitchell <mark@codesourcery.com>
5343 * expr.c (expand_expr): Revove bogus conditional.
5345 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
5347 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
5349 2001-03-14 Jakub Jelinek <jakub@redhat.com>
5351 * reg-stack.c (stack_result): Unconditionally use
5352 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
5354 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
5356 * expr.c (emit_move_insn_1): Split push of complex value when
5357 no suitable push instruction exist.
5359 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
5360 instead of QI_REG_P.
5362 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5364 * alias.c (handled_component_p, can_address_p): New functions.
5365 (get_alias_set): Use them.
5367 2001-03-13 Jim Wilson <wilson@redhat.com>
5369 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
5370 from 80 in try_locals code.
5371 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
5373 2001-03-13 Zack Weinberg <zackw@stanford.edu>
5375 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
5376 gcc_AC_C_LONG_LONG): New.
5377 * configure.in: Use them. Probe the size of short, int, long,
5378 and long long/__int64 if we have them. Move all the AC_C_*
5379 checks together, except gcc_AC_C_CHAR_BIT which has to go
5380 after AC_CHECK_HEADERS(limits.h).
5381 Take hwint.h out of host_xm_file and build_xm_file.
5383 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
5384 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
5385 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
5386 Move the HOST_WIDEST_INT setup logic here from system.h.
5387 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
5389 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
5390 is now handled by hwint.h.
5392 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
5393 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
5394 config/ia64/xm-ia64.h: Don't define any of:
5395 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
5396 HOST_BITS_PER_LONGLONG.
5398 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
5399 config/h8300/xm-h8300.h, config/mips/iris6.h,
5400 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
5401 config/sparc/xm-sp64.h: Delete.
5402 * config.gcc: Remove references to deleted files.
5404 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
5405 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
5406 * config/i370/xm-linux.h: Clarify floating-point situation in
5409 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
5411 * cppfiles.c (NO_INCLUDE_PATH): New macro.
5412 (find_include_file): Decide here which part of the include
5413 chain to start the search. Complain about an empty include
5414 chain in all cases apart from an abolsute file name.
5415 (_cpp_execute_include): Don't choose the search chain here.
5416 Don't call handle_missing_include in the case of an empty
5418 (_cpp_compare_file_date): Don't choose the search chain here.
5419 * cpplib.c (do_include_next): Move the in-main-file diagnostic
5420 here from _cpp_execute_include. Behave like #include if
5421 we're in the main file.
5423 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5425 * system.h (malloc, realloc, calloc, strdup): Only poison these
5426 tokens when IN_GCC is defined.
5428 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
5430 * i386.md (abs?f expander): Support SSE case.
5431 (abd?f_if): Add new "USE"; add splitters.
5433 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5435 * cpp.texi (poison): Explain the macro expansion exception.
5437 2001-03-13 Jakub Jelinek <jakub@redhat.com>
5439 * expr.c (store_expr): Add dont_store_target. If temp is already in
5440 target before copying to reg, don't store it into target again.
5442 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5444 * cppinternals.texi: Update for file handling.
5446 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5448 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5449 2001-02-24 which broke building the Java library.
5450 * function.c (identify_blocks): Likewise.
5451 (all_blocks): Likewise.
5452 * integrate.c (integrate_decl_tree): Likewise.
5453 * print-tree.c (print_node): Likewise.
5454 * tree.h (BLOCK_NUMBER): Likewise.
5455 (struct tree_block): Likewise.
5457 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5459 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5460 __WCHAR_TYPE__ definition.
5461 (WCHAR_TYPE_SIZE): #undef before #define.
5463 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5465 * cppfiles.c: Update comments.
5466 (destroy_include_file_node): Rename destroy_node.
5467 (find_or_create_entry): New function.
5468 (open_file, _cpp_fake_include): Use it.
5469 (handle_missing_header): New function, broken out of
5470 _cpp_execute include. Don't segfault if there is no
5471 system or quoted path.
5472 (_cpp_execute_include): Use handle_missing_header.
5474 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5476 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5477 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5479 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5481 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5482 unless anti_dependence says they are.
5483 * alias.c (objects_must_conflict): If neither has a type specified,
5486 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5487 David Billinghurst <David.Billinghurst@riotinto.com>
5489 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5491 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5493 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5494 (*_one_bit): Remove type on the match_operand in attributes.
5496 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5498 * i386.c: Commit forgotten hunk in previous patch.
5499 (regclass_map): Add extended registers.
5500 (dbx_register_map): Add missing frame register.
5502 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5504 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5506 * i386.md (x86_sahf_1): Disable for 64bit.
5507 (popsi*, pophi*): Likewise.
5508 (pushqi, pushhi): Likewise.
5509 (movdi, pushdi): Likewise.
5510 (zero extend DImode splitter): Likewise.
5511 (adddi, minusdi splitter): Likewise.
5512 (umulsidi): Likewise.
5514 (mulsidi): Disable for 64bit
5515 (lshift:DI/ashift:DI): Disable for 64bit.
5516 (loop patterns): Likewise.
5517 (call_pop, call_value_pop expanders and patterns): Likewise.
5518 (prologue_get_pc): Likewise.
5520 (fcmovDI pattern and splitter): Likewise.
5521 (movdfcc_1_rex64): New.
5523 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5525 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5526 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5527 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5528 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5529 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5530 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5531 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5532 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5533 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5534 (REGPARM_MAX): Set to 6 for x86_64.
5535 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5536 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5539 * (patterns that does use upper halves): Update constraints
5540 'q' to 'Q' and 'r' to 'R'.
5541 (cmpqi_ext_1): Disable for 64bit.
5542 (cmpqi_ext_3_insn): Likewise.
5543 (movqi_extzv_1): Likewsie.
5544 (addqi_ext_1): Liekwsie
5545 (testqi_ext_1): Liekwsie
5546 (andqi_ext_1): Liekwsie
5547 (xorqi_ext_1): Liekwsie
5548 (cmpqi_ext_1_rex64): New.
5549 (cmpqi_ext_3_insn_rex64): Likewise.
5550 (movqi_extzv_1_rex64): Likewsie.
5551 (addqi_ext_1_rex64): Liekwsie
5552 (testqi_ext_1_rex64): Liekwsie
5553 (andqi_ext_1_rex64): Liekwsie
5554 (xorqi_ext_1_rex64): Liekwsie
5556 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5558 * configure.in: Move check for unsigned enumerated bitfields
5559 to macro in aclocal.m4. Disable it for now.
5560 * configure, config.in: Regenerate.
5561 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5562 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5563 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5564 kind above its first use.
5566 * config/xm-interix.h, config/alpha/xm-alpha.h,
5567 config/i370/xm-linux.h, config/i386/xm-beos.h,
5568 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5569 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5570 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5571 Don't define ONLY_INT_FIELDS under any circumstances.
5573 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5575 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5576 config/sparc/xm-sysv4.h: Delete - now identical with some
5578 * config.gcc (hppa targets): Replace xm-pahpux.h and
5579 xm-papro.h with implicit xm-pa.h.
5580 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5583 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5585 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5586 before reload_cse_noop_set_p.
5588 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5590 * config.gcc: Where xm-host.h used to include another
5591 xm-host.h, list the nested header directly in xm_file. Remove
5592 references to deleted files. Can now use sparc/xm-sp64.h for
5595 * config/xm-linux.h, config/arm/xm-linux.h,
5596 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5597 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5598 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5599 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5600 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5603 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5604 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5605 bother to wrap #undef in #ifdef.
5606 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5607 Don't include xm-linux.h.
5608 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5610 * configure.in: Wrap regexps using [] in changequote block.
5611 Use expr : not echo | grep. Simplify regexps.
5612 * configure: Regenerate.
5614 56 xm-files remain, 22 xm-arch.
5616 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5618 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5619 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5620 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5621 (copy_object): Fix format specifier vs argument mismatch.
5623 * mips-tdump.c: Make local functions static.
5624 (rindex): Don't #undef.
5625 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5626 (fatal, fancy_abort): Delete.
5627 (read_seek): Avoid signed/unsigned compare.
5629 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5631 * combine.c (try_combine): Fix error in change to try original
5633 (gen_rtx_combine): Do same as gen_rtx for now.
5635 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5637 * configure.in: AC_SUBST xm_defines.
5638 * configure: Regenerate.
5639 * Makefile.in: Set DEFINES=$(xm_defines) when building
5642 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5644 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5645 (cpp_included, find_include_file): Update.
5646 (_cpp_compare_file_date): Make else unconditional.
5648 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5650 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5652 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5654 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5655 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5657 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5659 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5660 if it's a record type.
5662 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5664 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5665 mingw includes slightly.
5667 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5669 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5670 #undef token before poisoning it.
5672 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5674 * alpha.c (check_float_value): Use memcpy, not bcopy.
5676 * m32r.c (m32r_sched_reorder): Likewise.
5678 * vax.c (check_float_value): Likewise.
5680 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5682 * toplev.c (file_name_nondirectory): Remove.
5683 * toplev.h: Similarly.
5684 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5685 of file_name_nondirectory.
5687 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5689 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5690 * mips-tfile.c: Don't #undef rindex; not used.
5692 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5694 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5695 (dbx64_register_map): Declare.
5696 (RETURN_ADDR_RTX): Fix for 64bit.
5697 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5698 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5699 * i386.c (dbx64_register_map): New global array.
5700 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5701 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5704 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5706 * cppfiles.c (search_from): Use lbasename.
5707 * mkdeps.c (deps_add_default_target): Use lbasename.
5709 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5711 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5712 xcalloc in lieu of malloc, realloc & calloc.
5714 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5716 * gengenrtl.c (xmalloc): Likewise.
5718 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5719 really_call_* memory allocation routines.
5721 * stmt.c (check_for_full_enumeration_handling): Use
5722 really_call_calloc, not calloc.
5724 * system.h (really_call_malloc, really_call_calloc,
5725 really_call_realloc): Define.
5726 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5728 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5730 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5732 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5734 * configure: Rebuilt.
5735 * configure.in: Only use `lang_requires' for languages athat are
5738 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5740 * invoke.texi: Fix typo.
5741 * gcc.1: Regenerate.
5743 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5745 * configure.in: Prune nonexistent files from build_xm_file,
5746 xm_file, and host_xm_file lists. Warn unless they're
5748 Don't generate *config.h here.
5749 AC_SUBST all variables needed to generate *config.h.
5750 * configure: Regenerate.
5751 * mkconfig.sh: New helper script, from code removed from
5753 * Makefile.in: Zap all MALLOC variables - no longer used
5754 anywhere, and malloc.c doesn't exist.
5755 Substitute in variables needed to generate *config.h.
5756 Stop lying about the dependencies contained in CONFIG_H and
5758 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5759 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5760 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5761 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5762 $(TM_P_H), etc. as appropriate.
5764 * config.gcc: Zap references to deleted files.
5765 * ggc-none.c: Don't include rtl.h or tm_p.h.
5767 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5768 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5769 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5770 config/i386/xm-linux.h, config/i386/xm-linux.h,
5771 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5772 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5773 Don't include i386/xm-i386.h.
5775 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5776 config/i386/xm-i386.h, config/i860/xm-i860.h,
5777 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5778 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5779 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5780 Delete (empty except comments, #includes of other deleted
5781 files, and macros used nowhere).
5783 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5785 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5786 independent on TARGET_FLAGS.
5788 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5790 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5792 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5794 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5796 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5797 LAST_REX_SSE_REG): define.
5798 (enum reg_class): Add 'LEGACY_REGS'
5799 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5800 (SSE_REGNO_P): Recognize extended registers.
5801 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5802 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5803 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5804 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5805 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5806 REG_OK_FOR_STRREG_P): Remove.
5807 (HI_REGISTER_NAMES): Add extended registers.
5808 (ADDITIONAL_REGISTER_NAMES): Likewise.
5809 (QI_REGISTER_NAMES): Add 8bit extended registers.
5810 (DEBUG_REG): Support extended registers.
5811 * i386.c (regclass_map): Add extended registers.
5812 (dbx_register-map): Likewise.
5813 (svr4_dbx_register_map): Likewise.
5814 (print_reg): Support extended registers.
5815 (print_operand): Support 64bit operands.
5817 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5819 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5820 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5821 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5822 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5823 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5824 STACK_BOUNDARY): Set properly for 64bits.
5825 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5826 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5827 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5828 (MOVE_MAX): Set to 16.
5829 (MOVE_MAX_PIECES): 8 for 64bit.
5830 (Pmode): Set to SImode.
5832 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5834 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5836 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
5838 * i386.h (mask_64bit): New constant.
5839 (target_64bit): New macro.
5840 (target_options): Add '64'/'32'
5841 (target_default): Define.
5842 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5843 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5844 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5846 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5848 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5850 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5852 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5853 LO_SUM unless for_alias is set.
5855 2001-03-08 Stan Shebs <shebs@apple.com>
5857 * objc/objc-act.c: Fix old typos in comments, add comments for
5859 (hash_init): Fix file name in error message.
5860 (hash_enter): Ditto.
5861 (hash_add_attr): Ditto.
5862 (continue_class): Ditto.
5864 2001-03-08 Bruce Korb <bkorb@gnu.org>
5866 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
5867 wait4() can receive the signal.
5869 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5871 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5873 * fixinc/fixincl.x: Regenerate.
5875 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5877 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
5879 * fixinc/fixincl.x: Regenerate.
5881 2001-03-08 Richard Henderson <rth@redhat.com>
5883 * configure.in (HAVE_AS_LEB128): New assembler check.
5884 * configure, config.in: Rebuilt.
5886 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
5888 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
5891 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5893 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
5894 references to the MAXPATHLEN macro.
5896 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
5897 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
5900 * config/i386/xm-gnu.h, config/xm-gnu.h,
5901 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
5902 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
5903 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
5904 and/or unused files.
5906 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
5907 doing so in various xm-*.h files.
5909 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5911 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5913 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
5915 * configure.in (enable_shared): Support per-package shared-library
5917 * configure: Rebuilt.
5919 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5921 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5922 for crnot. Set operands[5] in splitter.
5924 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5926 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5927 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5928 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5929 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5930 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5931 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5932 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5935 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5936 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5937 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5938 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5939 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5940 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5941 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5942 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5943 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5944 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5945 Delete unused and/or empty files.
5947 * config.gcc: Define USG in xm_defines as appropriate. Define
5948 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5949 macro. Remove deleted xm-* files from $xm_files variable.
5951 2001-03-07 Tom Tromey <tromey@redhat.com>
5953 * configure: Rebuilt.
5954 * configure.in: Allow config-lang.in to set `lang_requires' to list
5955 of other required languages.
5957 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
5959 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5961 (output_prologue): Use xmalloc not oballoc.
5962 (output_epilog): Free a29k_first_epilogue_insn when finished.
5963 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5965 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
5967 * builtins.c (expand_builtin_mathfn): Check
5968 flag_unsafe_math_optimizations, not flag_fast_math.
5969 (expand_builtin): Likewise
5970 * combine.c (combine_simplify_rtx): Likewise.
5971 (simplify_if_then_else): Likewise.
5972 * cse.c (fold_rtx): Likewise.
5973 * flags.h: Remove flag_fast_math. Add
5974 flag_unsafe_math_optimizations and flag_trapping_math.
5975 * fold-const.c (negate_expr): Check
5976 flag_unsafe_math_optimizations, not flag_fast_math.
5977 (invert_truthvalue): Likewise.
5978 (fold): Likewise. Before associating operands, check that
5979 code == MULT_EXPR, not code != MULT_EXPR.
5980 * ifcvt.c (noce_try_minmax): Check
5981 flag_unsafe_math_optimizations, not flag_fast_math.
5982 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5983 * invoke.texi: Document -funsafe-math-optimizations and
5984 -fno-trapping-math. Change documentation for -ffast-math.
5985 * jump.c (reversed_comparison_code_parts): Likewise.
5986 (rtx_equal_for_thread_p): Likewise.
5987 * optabs.c (emit_conditional_move): Likewise.
5988 * simplify-rtx.c (simplify_binary_operation): Likewise.
5989 (simplify_relational_operation): Likewise.
5990 (simplify_ternary_operation): Likewise.
5991 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5992 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5993 Add trapping-math and unsafe-math-optimizations entries to f_options.
5994 (set_fast_math_flags): New, sets flags for -ffast-math.
5995 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5996 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5997 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5999 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
6000 (alpha_emit_conditional_move): Initialize local_fast_math to
6001 flag_unsafe_math_optimizations, not flat_fast_math.
6002 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
6003 instead of setting flag_fast_math to 1.
6004 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
6006 * config/i386/i386.c (override_options): Likewise
6007 * config/i386/i386.md: Likewise.
6008 * config/m68k/m68k.md: Likewise.
6009 * config/mips/mips.md: Likewise.
6010 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
6011 (rs6000_generate_compare): Likewise.
6013 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6015 * Makefile.in: Set RANLIB to @RANLIB@.
6018 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
6020 * fixinc/inclhack.def (djgpp_wchar_h): New test.
6021 * fixinc/fixincl.x: Regenerated.
6023 2001-03-07 Richard Henderson <rth@redhat.com>
6025 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
6027 2001-03-07 Richard Henderson <rth@redhat.com>
6029 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
6030 of block notes and exception handling notes.
6032 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
6033 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
6034 (compile_file): ... here.
6036 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6038 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
6040 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
6041 config.h now. Include libiberty.h to handle alloca.
6043 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6045 * c-parse.in (yylexname): New function, split out of _yylex.
6046 (objc_rid_sans_at): New table.
6047 (init_reswords): Initialize it.
6048 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
6049 retrieving the next token and checking it for significance as
6050 an ObjC keyword or string constant.
6052 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
6053 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
6055 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
6058 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
6060 * config/m68k/m68k.c (const_uint32_operand): Accept any
6061 const_int on a 32-bit host.
6063 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
6065 * objc/objc-act.c (init_objc): Set save_lang_status,
6066 restore_lang_status, and mark_lang_status.
6068 2001-03-06 Krister Walfridsson <cato@df.lth.se>
6070 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
6072 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
6074 * cppinternals.texi: Update.
6076 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6078 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6079 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
6080 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
6081 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
6082 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
6083 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6084 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
6085 config/i386/xm-i386.h, config/i860/xm-i860.h,
6086 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6087 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
6088 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6089 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6090 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6091 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6092 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
6093 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
6094 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
6095 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6096 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6097 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
6098 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
6099 match the defaults provided in hwint.h.
6101 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6102 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
6104 * config.gcc (xm_file): Don't set to files which are deleted.
6106 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
6107 guard this file against these macros being undefined.
6109 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6111 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
6112 and DECL_DEFER_OUTPUT on the decl we create, before calling
6113 rest_of_decl_compilation.
6115 2001-03-06 Zack Weinberg <zackw@stanford.edu>
6117 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
6119 * configure, config.in: Regenerate.
6120 * config.gcc: Remove references to deleted files.
6122 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
6123 genrecog.c, rtl.c: Do not use alloca anywhere.
6125 * Makefile.in, build-make, system.h, config/x-interix,
6126 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
6127 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
6128 config/arc/xm-arc.h, config/arm/xm-arm.h,
6129 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6130 config/h8300/xm-h8300.h, config/i370/x-oe,
6131 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
6132 config/i386/x-ncr3000, config/i386/x-sco5,
6133 config/i386/xm-dgux.h, config/i860/x-sysv4,
6134 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
6135 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
6136 config/m68k/x-hp320g, config/m69k/x-mot3300,
6137 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
6138 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
6139 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
6140 config/m88k/x-sysv4, config/m88k/x-tekXD88,
6141 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6142 config/mips/x-iris, config/mips/x-iris3,
6143 config/mips/x-sni-svr4, config/mips/x-sysv,
6144 config/mips/xm-iris6.h, config/mips/xm-mips.h,
6145 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
6146 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
6147 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6148 config/pa/xm-papro.h, config/romp/xm-romp.h,
6149 config/rs6000/x-aix31, config/rs6000/x-aix41,
6150 config/rs6000/x-beos, config/rs6000/x-lynx,
6151 config/rs6000/x-mach, config/rs6000/x-rs6000,
6152 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
6153 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6154 config/sparc/x-sysv4, config/sparc/xm-linux.h,
6155 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
6156 config/vax/xm-vms.h: Eradicate all references to alloca and
6159 * config/xm-alloca.h, config/clipper/x-clix,
6160 config/i386/xm-sysv4.h, config/i860/x-fx2800,
6161 config/i860/x-sysv3, config/m88k/x-sysv3,
6162 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
6163 (contained only alloca related hacks).
6165 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
6168 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
6170 * invoke.texi: Document __FAST_MATH__.
6172 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6174 * crtstuff.c: Restore include of auto-host.h.
6176 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
6178 Put main() in a separate file, so that the language
6179 front-end can use a different main().
6182 * toplev.c: (main): Rename as toplev_main.
6183 * toplev.h: Declare toplev_main.
6184 * Makefile.in (OBJS): add toplev.o.
6185 (BACKEND): remove toplev.o, add main.o.
6187 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6189 * cppfiles.c (search_from): Special case the empty string.
6191 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
6193 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
6194 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
6195 strlen or strcpy; we already know the length.
6196 (_cpp_compare_file_date): Similarly.
6197 * cpphash.h (struct cpp_reader): Delete done_initialising.
6198 (CPP_PREV_BUFFER): Delete.
6199 * cppinit.c (cpp_start_read): Don't set done_initialising.
6200 * cpplex.c (parse_string): Guarantee null-termination.
6201 (_cpp_equiv_toklists): Remove.
6202 * cpplib.c (glue_header_name): Null-terminate.
6203 (do_line): Don't leak memory.
6204 * cpplib.h (BT_WEAK): Delete.
6205 * cppmain.c (cb_ident): Strings are now null-terminated.
6207 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
6209 * gcc.c (convert_filename): Append executable suffix
6210 if NO_AUTO_EXE_SUFFIX is not defined.
6211 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
6212 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
6214 2001-03-03 David O'Brien <obrien@FreeBSD.org>
6216 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
6217 * c-parse.gperf, c-gperf.h: Delete.
6218 (c-gperf.h was accidently re-added to the CVS repo in the rev
6219 1.16 commit by tromey)
6221 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6223 * cpplex.c (_cpp_lex_token): Don't warn about directives in
6224 macro arguments when looking for the '('.
6225 * cppmacro.c (funlike_invocation_p): Set parsing_args to
6226 2 when really parsing arguments; 1 when looking for '('.
6227 Always restore the lexer position.
6229 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6231 * longlong.h (umul_ppmm): Don't use a multiline string.
6233 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
6235 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
6236 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
6237 t_bool in declaration because pcc can't combine volatile with typedef
6240 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
6242 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
6243 until when it is really needed.
6244 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
6245 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
6246 * i386.md (float?i?f splitter): Don't force source operand to memory
6248 (sse_movdfcc): Fix constraint.
6249 (sse_movdfcc splitter): Handle properly the second alternative.
6251 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6253 * cpplex.c (parse_string): Unconditionally pedwarn.
6255 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
6258 * cppexp.c (parse_number): Update.
6259 * cpplex.c (parse_string): Pedwarn if multiline string does not
6260 result from a system header's macro.
6261 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
6262 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
6263 for function-like macros too.
6264 * c-lex.c (lex_number): Update.
6266 2001-03-03 Richard Henderson <rth@redhat.com>
6268 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
6270 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
6272 * combine.c (try_combine): If split with mode-changed scratch
6273 register didn't work, try the original mode.
6275 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
6277 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
6278 * config/c4x/c4x.h: Likewise.
6279 * stor-layout.c (compute_record_mode): Likewise.
6280 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
6282 2001-03-02 Zack Weinberg <zackw@stanford.edu>
6284 * configure.in: Kill tm.h. Include the files in the $tm_file
6285 list in all three of config.h, hconfig.h, tconfig.h, after the
6286 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
6287 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
6288 * configure: Regenerate.
6289 * Makefile.in (clean): Don't delete tm.h.
6291 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
6292 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
6293 those are not defined, set SEC and FEC to 0 and 1.
6294 * gcc.texi: Update to match.
6296 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
6297 * config/fp-bit.c, config/m68k/aux-crt2.asm,
6298 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
6299 Include tconfig.h, not tm.h.
6301 * config/xm-lynx.h, config/xm-std32.h,
6302 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
6303 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
6304 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
6305 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6306 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6307 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6308 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
6309 config/i386/xm-i386.h, config/i860/xm-i860.h,
6310 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
6311 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
6312 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
6313 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
6314 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
6315 config/pa/xm-linux.h, config/pa/xm-pa.h,
6316 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
6317 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
6318 config/pj/xm-pj.h, config/romp/xm-romp.h,
6319 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6320 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6321 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6322 config/v850/xm-v850.h, config/vax/xm-vax.h,
6323 config/we32k/xm-we32k.h:
6325 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
6327 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
6328 config/i370/xm-oe.h: Don't include tm.h. Don't define
6330 * config/vax/xm-vms.h: Don't include tm.h.
6332 * config/xm-lynx.h, config/avr/xm-avr.h,
6333 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
6334 Delete; made empty by above changes.
6335 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
6336 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
6337 Don't include config/xm-lynx.h or tm.h.
6339 * config/xm-gnu.h: Don't include fcntl.h.
6340 * config/sparc/xm-lynx.h: Don't include sys/types.h and
6342 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
6344 2001-03-02 Richard Henderson <rth@redhat.com>
6346 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
6347 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
6349 2001-03-02 Richard Henderson <rth@redhat.com>
6351 * Makefile.in (OBJS): Add dwarf2asm.o.
6352 * dwarf2asm.c, dwarf2asm.h: New files.
6353 * dwarf2out.c (*): Use them.
6354 (size_of_uleb128, size_of_sleb128): Remove.
6355 (output_uleb128, output_sleb128): Remove.
6356 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
6357 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
6358 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
6359 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
6360 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
6361 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
6362 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
6363 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
6364 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
6365 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6366 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
6367 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
6368 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
6369 (dwarf2out_frame_debug): Remove unused variables.
6370 (output_loc_operands): Don't abort on 8 byte constants if
6371 host integers are wide enough.
6372 (output_symbolic_ref): Remove.
6373 (size_of_die): Don't assume 4 byte host integers.
6374 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
6376 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
6377 something stupid with HOST_WIDE_INT to long truncation.
6378 [CONST_DOUBLE]: Likewise.
6380 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
6381 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
6382 * config/arm/unknown-elf.h: Likewise.
6383 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
6384 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
6385 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
6386 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
6387 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
6388 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
6389 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
6390 (ASM_OUTPUT_DWARF_OFFSET): Remove.
6391 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
6392 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
6393 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
6394 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
6396 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6398 * cselib.c (hash_rtx): Cast enums to unsigned int.
6400 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6402 * print-rtl.c (print_rtx): Cast enums to int for comparison.
6403 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
6405 * c-format.c (C_STD_VER): Cast to int for comparisons.
6406 (check_function_format): Cast various enums to int for &.
6407 (maybe_read_dollar_number): Likewise.
6408 (check_format_info): Likewise.
6409 (check_format_info_main): Likewise.
6410 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
6411 (safe_from_p): Likewise.
6412 * varasm.c (const_hash): Cast enum to int for %.
6413 * emit-rtl.c (init_emit_once): Use int loop variable to work around
6414 pcc enum problems with < and ++ operators.
6415 * regclass.c (init_reg_sets_1): Cast enums for comparison.
6416 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
6417 (regclass_init): Change enum class to int to iterate over reg_classes.
6418 * genrecog.c (merge_trees): Cast enums for comparison.
6419 * rtl.h (GET_CODE): Cast to enum rtx_code.
6420 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
6421 (GET_MODE): Cast to enum machine_mode.
6422 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
6423 (GET_NOTE_INSN_NAME): Cast enum to int.
6424 * tree.h (TREE_CODE): Cast to enum tree_code.
6425 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
6426 * timevar.c (timevar_print): Change loop variable id from enum to
6428 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
6429 * config/i386/i386.md: Use PUT_MODE for mode assignment.
6430 * toplev.c (compile_file): Cast enum DFI to int.
6431 (decode_d_option): Likewise.
6433 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
6435 * cppinit.c (append_include_chain): Mark "after" include file name list
6436 as a system directory.
6437 * cpp.texi: Document new behavior.
6439 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
6441 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
6443 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
6445 * cppfiles.c (struct include_file): Update.
6446 (stack_include_file): Use search_from.
6447 (cpp_included, find_include_file): Update.
6448 (cpp_execute_include): Update. ptr->name may not be
6449 null terminated. Use the new search_from member variable
6451 (_cpp_compare_file_date): Similarly.
6452 (search_from): New function, similiar to actual_directory.
6453 (actual_directory): Delete.
6454 (remap_filename): Update. loc->name may not be null terminated.
6455 (struct file_name_list): Rename search_path. Update.
6456 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6457 search_from and dir.
6458 (struct cpp_reader): Remove actual_dirs.
6459 * cppinit.c (struct cpp_pending): Update for renamed objects.
6460 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6461 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6462 * cpplib.h (struct cpp_options): Similarly.
6464 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6466 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6467 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6468 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6469 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6470 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6471 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6472 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6473 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6474 config/i370/xm-oe.h, config/i386/xm-aix.h,
6475 config/i386/xm-i386.h, config/i386/xm-osf.h,
6476 config/i860/xm-i860.h, config/i960/xm-i960.h,
6477 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6478 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6479 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6480 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6481 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6482 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6483 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6484 config/pj/xm-pj.h, config/romp/xm-romp.h,
6485 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6486 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6487 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6488 config/v850/xm-v850.h, config/vax/xm-vax.h,
6489 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6490 Do not define TRUE or FALSE.
6492 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6493 empty by above change.
6494 * config.gcc: Remove references to these files.
6496 * configure.in: Detect stdbool.h.
6497 * configure, config.in: Regenerate.
6498 * system.h: Include stddef.h here if available.
6499 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6500 Then set up a sensible boolean type at the very end.
6502 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6503 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6505 * hash.h: Delete 'boolean' typedef and related #undefs.
6507 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6508 all uses of 'boolean' with 'bool'.
6510 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6512 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6513 * cppexp.c (lex): Cast enums for comparison.
6514 * cppinit.c (parse_option): Cast enum for comparison.
6515 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6516 (cpp_output_token): Likewise.
6517 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6518 (cpp_avoid_paste): Cast enums for minus and comparison.
6520 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6522 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6523 field to all array elements.
6525 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6527 * cpphash.h (struct cpp_reader): Add print_version field.
6528 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6529 just set print_version and other flags as appropriate.
6530 (cpp_post_options): Print version here if print_version is set.
6532 * toplev.c (exit_after_options): New flag.
6533 (independent_decode_option): Don't exit here; just set
6535 (main): Exit after calling lang_hooks.post_options if
6536 exit_after_options is true.
6538 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6539 (merge_include_chains): Adjust comment to match code.
6541 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6543 * stringpool.c (set_identifier): New function.
6544 * tree.h: Prototype it.
6546 * c-parse.in: Kill D_YES. If compiled for objc, call
6547 save_and_forget_protocol_qualifiers from init_reswords.
6548 * objc/objc-act.c (remember_protocol_qualifiers,
6549 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6550 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6552 (save_and_forget_protocol_qualifiers): New function.
6553 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6555 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6557 * c-semantics.c (prune_unused_decls): Return error_mark_node
6558 instead of (tree) 1 to stop traversing the tree chain.
6560 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6562 Fix a problem introduced by Kenner's Feb 18 change.
6563 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6564 flag_cse_skip_blocks only temporarily, not for ever.
6566 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6568 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6569 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6571 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6572 before determining its register class.
6574 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6576 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6577 from reg 4 if current_function_calls_setjmp.
6578 (gen_nop_type): New function.
6579 (ia64_emit_nops): New function.
6580 (ia64_reorg): Call it.
6581 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6583 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6584 code not to try to optimize adds with anything but a REG destination.
6586 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6587 (INSN_PRIORITY_KNOWN): New accessor macro.
6588 * haifa-sched.c (priority): Use it instead of testing priority against
6591 2001-02-28 DJ Delorie <dj@redhat.com>
6593 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6594 since that doesn't work the way gcc wants on a generic m68k.
6596 2001-02-28 Richard Henderson <rth@redhat.com>
6598 * caller-save.c (save_call_clobbered_regs): Fix typo in
6599 comparison last change.
6601 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6603 * i386.c (pentium4_cost): New.
6604 (m_PENT4): New macro.
6605 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6606 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6607 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6608 x86_memory_mismatch_stall): Add Pentium4
6609 (x86_use_q_reg, x86_use_any_reg): Kill.
6610 (override_options): Add pentium4.
6611 (incdec_operand): Return 0 for pentium4.
6612 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6613 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6614 (TARGET_PENTIUM4): Define.
6615 (enum processor_type): Add PROCESSOR_PENTIUM4.
6616 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6617 * i386.md (attribute "cpu"): Add pentium4.
6618 * invoke.texi (march): Add pentium4.
6620 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6622 * i386.md (sse_mov?fcc*): New patterns and splitters.
6623 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6624 the SSE based conditional moves.
6626 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6628 * i386.md (attribute mode): Add "TI".
6629 (movsf_1): Add pxor support; remove constant propagation splitter.
6630 (movdf_integer): Likewise.
6631 (movdf_nointeger): Likewise.
6632 (movxf constant prop splitter): Handle all modes; update for SSE.
6633 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6634 * i386.c (standard_80387_constant_p): Rewrite.
6635 (standard_sse_constant_p): New.
6636 * i386-protos.h (standard_sse_constant_p): New.
6638 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6640 * i386.md (sse_setccsf, sse_setccdf): New.
6641 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6643 * i386.c (sse_comparison_operator): Accept the supported unordered
6644 comparses; be ready for fast_math.
6645 (print_operand): Support 'D'.
6647 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6649 * jump.c (reversed_comparison_code): Kill.
6651 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6653 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6656 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6658 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6659 add missing '%' in constraints.
6661 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6663 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6664 for HOST_BITS_PER_WIDE_INT == 32 too.
6666 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6668 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6670 (insert_save, insert_restore): New parameter save_mode.
6671 (init_caller_save): Update initialization of reg_save_code
6672 and reg_restore_code.
6673 (save_call_clobbered_regs): Compute save_modes and update calls to
6674 reg_save_code and reg_restore_code.
6675 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6676 of spill; update use of reg_restore_code.
6677 (insert_save): Likewise.
6678 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6679 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6680 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6682 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6684 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6685 noce_try_store_flag_inc, noce_try_store_flag_mask,
6686 noce_try_cmove_arith):
6687 Use reversed_comparison_code instead of reverse_comparison and
6688 can_reverse_comparison_p.
6690 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6692 * jump.c (reversed_comparison_code_parts): Allow reversal of
6693 unordered compares in -ffast-math mode; reverse ordered compares
6694 for FP even w/o -ffast-math.
6696 2001-02-27 Richard Henderson <rth@redhat.com>
6698 * print-rtl.c (print_rtx) [i]: Don't print field five on
6699 NOTEs other than NOTE_INSN_DELETED_LABEL.
6701 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6703 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6704 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6706 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6708 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6709 even if walk_subtrees is 0.
6710 * c-semantics.c (prune_unused_decls): Return a non-null value to
6711 stop traversing the tree chain.
6713 2001-02-27 DJ Delorie <dj@redhat.com>
6715 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6716 register, *then* define it as the new CFA.
6718 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6720 * pa.c (override_options): Promote -fpic to -fPIC.
6721 (legitimize_pic_address): Simplify due to removal of
6722 small PIC as a code generation option.
6723 (secondary_reload_class): Similarly.
6724 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6725 (PRINT_OPERAND_ADDRESS): Similarly.
6726 * pa.md (various patterns): Similarly.
6727 (small pic lo_sum pattern): Remove.
6729 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6732 * md.texi (min, max): Document
6734 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6736 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6737 TARGET_PARTIAL_REG_DEPENDENCY.
6738 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6740 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6742 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6744 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6746 * mips.c (mips_make_temp_file): Fix thinko in last change.
6748 2001-02-26 Jason Eckhardt <jle@redhat.com>
6750 * combine.c (known_cond): Do not reverse the condition when
6751 SMAX/UMAX is being considered and the condition is for equality
6754 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6756 2001-02-26 Philip Blundell <philb@gnu.org>
6758 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6760 * config/arm/linux-elf.h: Remove historical relics related to
6761 above configurations.
6762 * config/arm/linux-oldld.h: Delete.
6763 * config/arm/linux-elf26.h: Delete.
6765 2001-02-26 Jason Merrill <jason@redhat.com>
6767 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6769 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6770 recognize a tentative definition. Lose obsolete code.
6772 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6773 variables unless necessary, either.
6775 2001-02-25 Richard Henderson <rth@redhat.com>
6777 * ifcvt.c (struct noce_if_info): Add test_bb.
6778 (noce_get_alt_condition): New.
6779 (noce_try_minmax, noce_try_abs): New.
6780 (noce_operand_ok): New.
6781 (noce_process_if_block): Use them.
6782 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6784 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6786 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6789 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6791 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6792 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6794 (mips_asm_file_end): Free temp_filename here.
6796 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6798 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6799 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6801 * config/i386/i386.md (movstrsi): Handle FAIL case.
6803 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6805 * cppinit.c (builtin_array): Update.
6806 (init_builtins): Flag builtins to warn if redefined or
6807 undefined. Define __GXX_WEAK as a normal macro.
6808 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6809 * cpplib.h (NODE_WARN): New flag.
6810 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6811 Handle __STDC__ as a builtin only on Solaris.
6812 (warn_of_redefinition): Renamed from check_macro_definition.
6813 Reverse sense of test. Always warn if NODE_WARN.
6814 (_cpp_create_definition): Use warn_of_redefinition. Flag
6815 any macro beginning with "__STDC_" to require a mandatory
6816 warning if redefined or undefined.
6818 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6820 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6821 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6822 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6823 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6824 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6825 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6826 Don't define any of:
6827 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6828 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6829 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6830 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6831 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6833 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6834 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
6837 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
6838 Delete now-empty file.
6840 * alpha/vms.h: Define NEED_ATEXIT here...
6841 * alpha/xm-vms.h: ...not here.
6843 * i386/cygwin.h: Don't define PARAMS.
6844 * mips/mips.c: Don't prototype mktemp. Don't define
6845 P_tmpdir. Use make_temp_file to create temporary files.
6846 Don't be clever and delete temporary files early.
6847 * config.gcc: Drop references to deleted files. Don't define
6849 * gcc.texi: Don't mention USE_PROTOTYPES.
6851 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6853 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
6854 (ix86_set_move_mem_attrs_1): Likewise.
6855 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
6856 * config/i386/i386.md (movstrsi): Call it.
6858 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6860 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
6861 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
6862 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6863 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
6865 (i750a-*-*): Error here if hosting on i750a.
6866 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
6868 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
6869 Remove (empty modulo comments).
6871 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
6872 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
6873 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
6874 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
6875 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
6876 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
6878 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
6879 Remove reference to winnt.h in comment.
6880 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
6882 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6884 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
6885 used to set another biv.
6887 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6889 * tree.h (BLOCK_DEAD): New macro.
6890 (struct tree_block): New flag, dead_flag.
6891 * print-tree.c (print_node, case 'b'): Print missing fields.
6892 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
6893 * function.c (identify_blocks): Enable test for misplaced notes.
6894 (all_blocks): Skip BLOCK_DEAD blocks.
6895 * integrate.c (integrate_decl_tree): Likewise.
6897 * errors.c (internal_error, trim_filename): New functions.
6898 (fancy_abort): Call internal_error.
6899 * errors.h (internal_error, trim_filename): New declarations.
6901 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
6903 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
6905 (EXTRA_CONSTRAINT): Formatting changes.
6907 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6909 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6911 2001-02-23 Per Bothner <per@bothner.com>
6913 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6914 so they can be called from java/jvspec.c.
6915 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6917 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6919 * i386.c (ix86_frame): New structure.
6920 (ix86_compute_frame_size): Kill.
6921 (ix86_compute_frame_layout): New.
6922 (ix86_save_reg): New.
6923 (ix86_can_use_return_insn_p): Use frame layout stuff.
6924 (ix86_expand_prologue): Likewise.
6925 (ix86_expand_epilogue): Likewise.
6926 (ix86_initial_elimination_offset): Likewise.
6927 (ix86_nsaved_regs): Use ix86_save_reg.
6928 (ix86_emit_save_regs): Likewise.
6930 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6932 * flow.c (find_sub_basic_blocks): New function.
6933 (split_block): Be ready for basic block introduced by CODE_LABEL.
6934 (commit_one_edge_insertion): Call find_sub_basic_block.
6936 * flow.c (make_edges): Add edge from entry for blocks starting with
6937 label having ALTERNATE_NAME
6939 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6941 * function.c (epilogue_done): Be ready for first basic block not
6942 containing PROLOGUE_END note.
6943 (reposition_prologue_and_epilogue_notes): Avoid placing
6944 PROLOGUE_END note between BASIC_BLOCK.
6946 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6948 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6950 2001-02-21 DJ Delorie <dj@redhat.com>
6952 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6953 check for current_function_has_nonlocal_goto from 1999-11-12.
6955 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6957 * diagnostic.c (trim_filename): No longer static.
6958 * toplev.h (trim_filename): Declare.
6959 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6960 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6961 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6962 (rtvec_check_failed_bounds): Likewise.
6963 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6965 * convert.c (convert_to_integer): Don't do unsigned unless result or
6966 both inputs are unsigned.
6968 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6971 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6973 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6975 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6977 * Makefile.in (resource.o): Add params.h dependence.
6978 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6979 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6980 * resource.c: Add dependence on params.h.
6981 (current_live_regs): Fix explanatory comment.
6982 (find_basic_block): Add new parameter to permit limiting search
6984 (mark_target_live_regs): Add new argument to find_basic_block call.
6985 (incr_ticks_for_insn): Likewise.
6987 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6989 * diagnostic.c (output_to_stream): Rename to
6990 output_buffer_to_stream. Loses the stream parameter.
6991 (init_output_buffer): Set diagnosic_buffer's stream.
6992 (flush_diagnostic_buffer): Adjust.
6993 (default_print_error_function): Likewise.
6994 (finish_diagnostic): Likewise.
6995 (verbatim): Likewise.
6997 * diagnostic.h (struct output_buffer): Add `stream' field.
6998 (output_buffer_attached_stream): New macro.
7000 2001-02-23 Jakub Jelinek <jakub@redhat.com>
7002 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
7003 check if either operand is divisible by C.
7004 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
7005 If type is signed, consider negative numbers as well.
7007 2001-02-22 Richard Henderson <rth@redhat.com>
7009 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
7010 reach .text instead of gp-relative relocs.
7011 * config/ia64/crtend.asm (.init): Likewise.
7013 2001-02-22 Andreas Jaeger <aj@suse.de>
7015 * extend.texi (C++ Attributes): Fix typo.
7017 2001-02-21 David Mosberger <davidm@hpl.hp.com>
7019 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
7020 functions, drop current_function_args_info.words test.
7021 (ia64_compute_frame_size): Mark syscall_linkage functions as
7022 using eight input registers.
7024 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
7025 Bruce Korb <bkorb@gnu.org>
7027 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
7028 * fixinc/README: Document how to convert sed substitutions
7029 to format style c_fix-es.
7030 * fixinc/fixincl.x: regen
7032 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
7034 * gcc.c: Add comment explaining how to add a command-line option.
7035 Add title to specs language comment.
7037 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7039 * gcc.c (cc1_options): Add "-param".
7040 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
7041 (option_map): Likewise.
7042 * toplev.c (display_help): Add entry for "--param".
7043 (independent_decode_option): Fix typographical error.
7045 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
7046 Bernd Schmidt <bernds@redhat.com>
7047 Jan Hubicka <jh@suse.cz>
7049 * i386.c (function_arg_advance): Pass SSE arguments in registers.
7050 (function_arg): Likewise.
7052 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
7054 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
7056 2001-02-21 Kazu Hirata <kazu@hxi.com>
7058 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
7062 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
7064 * flow.c (init_propagate_block_info): Canon address and use single_set
7065 for killing dead memory stores.
7067 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
7069 * Makefile.in (reorg.o): Add params.h dependence.
7070 * params.def: Fix typographical error in comment.
7071 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7072 * params.h: Modify introductory comment.
7073 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
7074 * reorg.c: Add dependence on params.h.
7075 (redundant_insn): Add parameterized throttle for search.
7076 (fill_simple_delay_slots): Add a comment explaining a variable.
7077 Move conditional out of loop, simplifying code.
7078 (fill_eager_delay_slots): Fix typographical error in comment.
7080 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
7082 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
7084 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
7085 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
7087 2001-02-21 Jason Merrill <jason@redhat.com>
7089 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
7090 (struct tree_decl): Add uninlinable bitfield.
7091 * c-decl.c (duplicate_decls): Set it.
7092 * integrate.c (function_cannot_inline_p): Check it.
7094 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
7095 DW_AT_MIPS_linkage_name to abstract methods.
7096 (dwarf2out_abstract_function): Emit class context before calling
7097 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
7098 (gen_subprogram_die): Remove obsolete code.
7099 (gen_member_die): Don't include clones in the member list.
7100 (gen_decl_die): Emit abstract info for clone origin.
7101 * dwarfout.c (output_type): Don't include clones in the member list.
7102 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
7103 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
7104 DECL_ABSTRACT on a function that already has it set.
7106 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
7107 (get_subprogram_die): Pass it in.
7109 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
7111 * flow.c (mark_set_1): Make not_dead unsigned long. For
7112 non-pseudos, use it as a bitmask of the hard regs that
7115 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
7117 * cppfiles.c: Update comments.
7118 (_cpp_read_file): Don't check for NULL filenames any more.
7119 * cppinit.c (cpp_start_read): Don't do canonicalization of
7120 in_fname and out_fname. Use the passed file name exclusively.
7121 (_cpp_handle_options): Don't treat "-" as a command line option,
7122 but as a normal filename.
7123 (_cpp_post_options): Canonicalize in_fname and out_fname.
7124 * cppmain.c (printer_init): Don't check out_fname for NULL.
7125 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
7126 (init_c_lex): Update, and use "" to represent stdin to CPP.
7129 2001-02-20 Will Cohen <wcohen@redhat.com>
7131 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
7132 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
7133 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
7136 2001-02-20 Stan Shebs <shebs@apple.com>
7138 * config/rs6000/rs6000.c (output_cbranch): Output branches
7139 on separate lines instead of using ';' to separate.
7141 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
7143 * cppinit.c (set_lang): Move builtin handling to...
7144 (init_builtins): ...here.
7145 (_cpp_create_reader): Move call to set_lang.
7147 2001-02-20 Mark Mitchell <mark@codesourcery.com>
7149 * stmt.c (expand_return): If an attempt is made to return the
7150 error_mar_node, treat the return like a return without a value.
7152 2001-02-19 Zack Weinberg <zackw@stanford.edu>
7154 * sibcall.c (skip_copy_to_return_value): Call
7155 identify_call_return_value here, and return orig_insn if it
7156 returns zero. Hardret and softret arguments now unnecessary.
7157 (call_ends_block_p): Don't call identify_call_return_value here.
7159 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
7161 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
7162 * ggc.h (ggc_mark_if_gcable): Delete prototype.
7164 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
7166 * pa.c (move_operand): Accept code to load the address of a
7167 symbol out of the DLT as a valid move operand.
7168 (print_operand, case 'A'): New to handle generating a DLT
7169 reference for a LO_SUM expression.
7170 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
7171 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
7173 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
7175 * README, cpp.texi, gcc.texi, version.c: Update version number to
7177 * cpp.1, gcov.1, gcc.1: Regenerate.
7179 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
7181 * cppfiles.c (stack_include_file): Generate dependencies
7182 here, and manage include_count here too.
7183 (PRINT_THIS_DEP): Delete.
7184 (_cpp_execute_include): Do not generate dependencies here,
7185 apart from the case of a missing header. Do not manage
7187 (_cpp_read_file): Leave dependency generation to
7190 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
7192 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
7193 target_cpu_default. Remove dead assignment to
7196 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
7198 * regclass.c (contains_reg_of_mode): Make global.
7199 (init_reg_sets): Remove contains_reg_of_mode; take into account
7200 CLASS_MAX_NREGS when looking for the proper mode.
7201 (dump_regclass): Dump only classes considered for the pseudo.
7202 (regclass): Use contains_reg_of_mode.
7204 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
7206 * gcc.c (do_spec_1): 'n' for printing notices.
7207 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
7209 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
7211 * reg-stack.c (next_flags_user): Use current_block->end
7212 (swap_rtx_condition): Look for next user if flags don't die;
7213 give up on CALL_INSNs; use current_block->end.
7215 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7217 * sibcall.c (call_ends_block_p): New function.
7218 (optimize_sibling_and_tail_recursive_call): Use it.
7220 2001-02-18 Kazu Hirata <kazu@hxi.com>
7222 * config/h8300/h8300.md: Update copyright.
7223 (andsi3): Do not output an extra newline character.
7225 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7227 * toplev.c (note_deferral_of_defined_inlined_function): Argument
7228 FNDECL may be unused.
7230 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
7231 follow jumps after first run.
7232 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
7233 it doesn't change any jumps.
7235 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
7237 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
7238 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
7239 (mostlyclean): Corresponding changes.
7240 * rtlanal.c (hard-reg-set.h): Include.
7241 (rtx_unstable_p): Do not treat the argument pointer specially
7242 if it is not a fixed register.
7243 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
7245 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7247 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
7248 against last real insn in basic block.
7249 Rework to avoid gotos.
7251 * Makefile.in (gcse.o): Now includes ggc.h.
7252 * gcse.c: Include ggc.h.
7253 (want_to_gcse_p): Verify expression can be in SET as valid insn.
7254 (try_replace_reg): Remove warning of uninitialize variable.
7255 (process_insert_insn): Call invalid_insn_p to validate insn.
7256 * recog.c (insn_invalid_p): Now global.
7257 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
7258 * recog.h (insn_invalid_p): New declaration.
7260 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
7262 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
7263 assignments from FP constants since 'Y' output code can't handle it.
7264 (eligible_for_sibcall_delay): Likewise.
7266 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
7267 Call fancy_abort directly, passing args.
7268 (print_rtl_and_abort): Now a macro, like fancy_abort.
7270 * final.c (output_operand_lossage): Use internal_error, not error.
7272 2001-02-18 Shane Nay <shane@agendacomputing.com>
7274 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
7275 structure shift insns.
7277 2001-02-18 Mark Mitchell <mark@codesourcery.com>
7279 * invoke.texi (-fsquangle): Remove documentation.
7280 (-fname-mangling-version): Likewise.
7282 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
7284 * optabs.c (expand_abs): Remove reference to
7285 HAVE_contitional_arithmetic.
7286 * combine.c (simplify_set): Likewise.
7288 2001-02-18 Richard Henderson <rth@redhat.com>
7290 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
7293 2001-02-18 Richard Henderson <rth@redhat.com>
7295 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
7297 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
7299 * reload1.c (reload_cse_simplify_set): Fix typo.
7301 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7303 * diagnostic.c (_fatal_insn): Decrement errorcount.
7305 * invoke.texi (-I): Add note avoiding use for system header files.
7307 * rtl.h (add_clobbers): Remove duplicate declaration.
7308 * recog.h (added_clobbers_hard_reg_p): New declaration.
7309 * genemit.c (struct clobber_pat): New field has_hard_reg.
7310 (gen_insn): Record if added clobbers clobber hard reg.
7311 (gen_split): Avoid unused warning if number of operands is 0.
7312 (output_added_clobbers_hard_reg_p): New function.
7315 2001-02-18 Alan Modra <alan@linuxcare.com.au>
7317 * pa.c (hppa_expand_prologue): Simplify code storing return
7318 pointer. For large (>=8k) frames with a post_store, adjust stack
7319 pointer by 8k-64 first rather than by 64. When testing with
7320 VAL_14_BITS_P, always use the actual value rather than the value
7321 negated. Add blockage to prevent scheduling of spills before
7322 stack frame has been created.
7323 (hppa_expand_epilogue): Simplify code loading return pointer.
7324 Allow a slightly larger range for merge_sp_adjust_with_load case.
7325 When testing with VAL_14_BITS_P, always use the actual value.
7327 * pa.c (pa_adjust_insn_length): Check that block move
7328 pattern is a set before looking at operands.
7330 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7332 * fold-const.c (fold_binary_op_with_conditional_arg): New
7333 function, split out from ...
7335 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
7336 conditional arms that throw exceptions.
7338 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
7341 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7343 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
7344 define HAVE_DECL_* to 1 to mask potential backup declarations.
7345 * configure: Regenerated.
7347 2001-02-17 Mark Mitchell <mark@codesourcery.com>
7349 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
7351 2001-02-17 Richard Henderson <rth@redhat.com>
7353 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
7354 when replacing a memory load with a register.
7356 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7357 Jan Hubicka <jh@suse.cz>
7359 * recog.c (validate_replace_src_1): New.
7360 (validate_replace_src_data): Likewise.
7361 (validate_replace_src): Use note_uses.
7362 * rtl.h (note_uses): Declare.
7363 * rtlanal.c (note_uses): New.
7365 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
7367 * reg-stack.c (stack_def): Make field reg unsigned.
7368 (remove_regno_note): Unsignetize parameter.
7370 2001-02-16 Jes Sorensen <jes@linuxcare.com>
7372 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
7373 shladd_operand() call.
7375 2001-02-16 Bruce Korb <bkorb@gnu.org>
7376 Rodney Brown <RodneyBrown@mynd.com>
7378 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
7379 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
7380 machine restrictions
7381 * fixinc/fixincl.x: regen
7383 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7385 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
7387 (hash_scan_insn): Clean up calls to hash_scan_set.
7388 (compute_kill_rd): REGNO now unsigned.
7389 (try_replace_reg): Rework to use simplify_replace_rtx.
7390 (cprop_jump, cprop_cc0_jump): Likewise.
7391 (cprop_insn): Call find_reg_equal_equiv_note.
7392 Reflect changes to cprop_jump and cprop_cc0_jump.
7394 * recog.c (validate_replace_src): Replace in operands of
7395 ZERO_EXTRACT in SET_DEST.
7397 * cse.c (new_label_ref): New variable.
7398 (insert): Set it instead of recorded_label_ref.
7399 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
7400 CODE_LABEL for this function, and not already in REG_LABEL note.
7402 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
7404 * resource.c (mark_referenced_resources): Fix typo in introductory
7406 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
7409 2001-02-16 Jason Merrill <jason@redhat.com>
7411 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
7413 (gen_subprogram_die): Don't abort on seeing a second definition if
7414 the previous one was abstract. Don't replace an abstract instance
7415 in the lookup table.
7417 * dwarf2out.c (dwarf2out_abstract_function): Rename from
7418 gen_abstract_function.
7419 * dwarf2out.h: Declare it.
7420 * toplev.c (note_outlining_of_inline_function): New fn.
7421 * toplev.h: Declare it.
7422 * integrate.c (output_inline_function): Call it.
7423 * c-decl.c (duplicate_decls): Call it when redefining an extern
7424 inline. Don't inline the new defn.
7426 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
7428 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7430 * .gdbinit: Rename to gdbinit.in.
7431 * gdbinit.in: New file,
7432 * configure.in: Generate .gdbinit from gdbinit.in.
7433 * configure: Regenerated.
7434 * Makefile.in (distclean): Always remove .gdbinit.
7436 2001-02-16 Jakub Jelinek <jakub@redhat.com>
7438 * objc/objc-act.c (start_class): Register implemented_classes with
7441 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
7443 * cppfiles.c (_cpp_make_system_header): Generate a file
7446 2001-02-15 Jim Meyering <meyering@lucent.com>
7448 * Makefile.in (install-common): Don't depend on installdirs here.
7449 Instead, make each of the lang.install-common targets (e.g.,
7450 c++.install-common in cp/Make-lang.in) depend on it.
7451 (install-driver): Depend on installdirs.
7453 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7455 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7457 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7460 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7462 * invoke.texi (--param): Document.
7464 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7466 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7468 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7470 * i386.md (extendsfdf2_2): Fix constraints.
7472 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7474 * i386.md (fop_df_3 splitter): Fix operand number.
7476 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7478 * invoke.texi (-mreg-alloc): Nuke.
7479 * i386.c (ix86_reg_alloc_order, regs_allocated,
7480 order_regs_for_local_alloc): Nuke.
7481 (override_options): Kill reg_alloc code.
7482 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7483 (REG_ALLOC_ORDER): SSE goes before I387.
7484 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7485 (ix86_reg_alloc_order): Likewise.
7486 * i386-protos.h (ix86_reg_alloc_order): Kill.
7488 2001-02-14 Richard Henderson <rth@redhat.com>
7490 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7492 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7494 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7496 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7498 * i386-protos.h (ix86_memory_move_cost): Move offline.
7499 * i386.c (ix86_register_move_cost): Compute properly cost of
7500 SSE, MMX and i387 instructions.
7501 (*_cost): Add costs of SSE/MMX moves.
7502 (ix86_memory_move_cost): Move offline from ....; Likewise.
7503 * i386.h (MEMORY_MOVE_COST): .... here;
7504 (struct processor costs): Add new fields to represent costs
7507 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7509 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7510 move_cost together with Matt Kraai's fix.
7512 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7514 * Makefile.in (OBJS): Add params.o.
7516 2001-02-14 Richard Henderson <rth@redhat.com>
7517 DJ Delorie <dj@redhat.com>
7519 * jump.c (jump_optimize_1): When we delete a conditional jump
7520 preceeding a non-conditional jump to effectively the same place,
7521 make sure that the combined jump skips any clobber insns between
7524 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7526 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7528 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7530 * Makefile.in (toplev.o): Depend on params.h.
7531 (intergate.o): Likewise.
7532 (params.o): New target.
7533 * flags.h (inline_max_insns): Remove.
7534 * integrate.c: Include params.h.
7535 Use MAX_INLINE_INSNS instead of inline_max_insns.
7536 * params.c: New file.
7537 * params.h: Likewise.
7538 * params.def: Likewise.
7539 * toplev.c: Include params.h.
7540 (lang_independent_params): New variable.
7541 (decode_f_option): Use the param machinery instead of setting
7543 (independent_decode_option): Handle "--param name=value".
7544 (main): Register language-independent parameters.
7546 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7548 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7550 2001-02-14 Richard Henderson <rth@redhat.com>
7552 * regclass.c (init_reg_sets_1): Revert last two changes.
7554 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7556 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7557 (variable_size): Call put_pending_size.
7558 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7559 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7560 sizes list, put newly created SAVE_EXPR there as well.
7562 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7564 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7565 (errata_find_address_regs): load_group has only 2 entries.
7566 (errata_emit_nops): Likewise. shladd is not problematic.
7567 Clear last_group if nop was emitted.
7568 (fixup_errata): load_group has only 2 entries.
7571 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7573 * c-lex.c (lex_number): Only warn traditionally for U suffix
7574 outside system macros.
7575 * cppexp.c (parse_number): Similarly.
7576 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7577 * cppmacro.c (struct cpp_macro): New member node.
7578 (parse_args): Only warn about missing rest args if not
7580 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7581 (cpp_sys_objmacro_p): New.
7582 (_cpp_create_definition): Store the node with the macro defn.
7583 Remember if the macro is defined in a system header.
7585 2001-02-13 DJ Delorie <dj@redhat.com>
7587 * configure.in (check_languages): determine languages to check
7588 * Makefile.in (check-c++): alias for check-g++
7589 (check-f77): alias for check-g77
7590 (CHECK_TARGETS): depend on configured languages
7592 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7594 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7595 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7596 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7597 (sqrtextendsfdf2): Disable for SSE2.
7599 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7601 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7602 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7603 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7604 (sqrtextendsfdf2): Disable for SSE2.
7606 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7608 * i386.md (movsfcc_1): Support integer cmove instruction.
7609 (movdfcc_1): Likewise; new splitter.
7611 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7613 * i386.c (output_fp_compare): Support SSE.
7614 (prepare_fp_compare_args): SSE comparisons always support memory.
7615 * i386.h (TARGET_CMOVE): SSE imply cmove.
7616 * i386.md (cmp?f2): Enable for SSE too.
7617 (cmpfp_i*): Support SSE.
7619 (cmpfp_i_sse_only): New.
7620 (s*, b* fp expanters): Enable for SSE too.
7621 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7624 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7626 * regclass.c (init_reg_sets_1): Silence warning.
7628 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7630 * i386.md (sqrt?f2): Change to expander.
7631 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7633 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7635 * rtlanal.c (find_reg_equal_equiv_note): New function.
7636 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7637 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7638 * rtl.h: Add declarations for above functions.
7640 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7642 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7644 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7645 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7646 * flow.c (mark_regs_live_at_end): Likewise.
7647 (calculate_global_regs_live): Likewise.
7648 * gcse.c (compute_hash_table): Likewise.
7649 (compute_kill_rd): Likewise.
7650 * resource.c (mark_target_live_regs): Likewise.
7651 * rtl.h (INVALID_REGNUM): New macro.
7653 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7655 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7657 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7659 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7662 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7664 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7666 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7667 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7668 (fop_sf_1_sse, fop_df_1_sse): New patterns
7669 (fop_*): Disable float_extend and float patterns for SSE compilation.
7670 * i386.c (output_387_binary_op): Support SSE.
7672 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7674 * i386.md (dummy_extendsfdf2): Support SSE2
7675 (extendsfdf2): Enable if 80387 or SSE2.
7676 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7677 and no MIX_I387_SSE2
7678 (extendsfdf2_1_sse_only): New pattern.
7679 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7681 (truncdfsf2_1): Support SSE.
7682 (truncdfsf2_2): Support SSE.
7683 (truncdfsf2_2_1_sse): New pattern.
7684 (fixtruncsfsi2): Always use SSE if available.
7685 (fix_truncsfsi_sse): New pattern.
7686 (fix_truncdfsi_sse): New pattern.
7687 (floatsis?f2): Support SSE.
7688 (floatsidf2_i387): New pattern.
7689 (floatsidf2_sse): Likewise.
7691 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7693 * configure.in: Use "have_gnat" variable, not "gnat".
7694 * configure: Regenerated.
7696 * config/sparc/sparc.c (function_value): Treat all non-record
7697 aggregate types like used to treat UNION_TYPE.
7699 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7701 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7702 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7704 (MASK_MIX_SSE_I387): New.
7705 (TARGET_SSE): SSE2 imply SSE.
7706 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7707 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7708 (enum reg_class): Add new classes.
7709 (REG_CLASS_NAMES): Likewise.
7710 (REG_CLASS_CONTENTS): Likewise.
7711 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7712 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7713 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7714 (CLASS_MAX_NREGS): Use new macros.
7715 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7716 * i386.md (pushsf, movsf): Support SSE.
7717 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7718 splitters to use ANY_FP_REGNO_P.
7719 (movdf_nointeger, movdf_integer): Likewise.
7721 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7723 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7724 (try_combine): Use it.
7726 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7728 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7729 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7730 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7731 (REGISTER_MOVE_COST): Likewise.
7732 * i386-protos.h (ix86_secondary_memory_needed,
7733 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7734 * i386.c (ix86_secondary_memory_needed,
7735 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7737 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7739 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7740 (HARD_REGNO_MODE_OK): Move offline to ....
7741 * i386.c (ix86_hard_regno_mode_ok) ... here;
7742 refuse all incorrect modes.
7743 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7745 2001-02-13 Richard Henderson <rth@redhat.com>
7747 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7748 entire operator; replicate that and match_dup the operands.
7749 (cmp_ccx_arith_op_set): Likewise.
7750 (cmp_cc_arith_op_not_set): Likewise.
7751 (cmp_ccx_arith_op_not_set): Likewise.
7753 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7755 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7757 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7759 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7760 (TARGET_NO_BITFIELD_WORD): New macro.
7761 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7762 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7764 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7766 * cselib.c: New file, from simplify-rtx.c.
7767 * simplify-rtx.c: Remove cselib parts.
7768 * Makefile.in: Add cselib.o.
7770 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7772 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7773 (setup_incoming_varargs): Remove warning.
7775 * config/rs6000/rs6000.c (validate_condition_mode): When
7776 flag_fast_math, allow floating-point conditionals to be reversed.
7777 (rs6000_generate_compare): When flag_fast_math, don't generate
7778 cror operations for FP conditionals.
7780 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7782 (ASM_SPEC): Likewise.
7783 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7784 (CC1_SPEC): Likewise.
7785 (LINK_TARGET_SPEC): Likewise.
7786 (CPP_ENDIAN_SPEC): Likewise.
7787 * Makefile.in (check-consistency): New target.
7789 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7791 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7792 "return type defaults" warning for functions with return type
7794 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7795 function declarations by default rather than only when pedantic.
7797 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7799 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7802 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7804 * extend.texi (Deprecated): Deprecate new initializer lists.
7806 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7808 * mkdeps.c (deps_add_default_target): Robustify. Add
7809 basename component only.
7810 * cpp.texi (-M): Describe how default target is generated.
7811 * invoke.texi (-M): Likewise.
7813 2001-02-12 Kazu Hirata <kazu@hxi.com>
7815 * toplev.c (push_float_handler): Remove.
7816 (pop_float_handler): Remove.
7817 * toplev.h: Remove prototypes for the above functions.
7819 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7821 * c-common.c (constant_fits_type_p): New function.
7822 (convert_and_check): Use it.
7824 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7826 * Makefile.in (GXX_ABI_FLAG): Don't define.
7827 * configure.in (--enable-new-gxx-abi): Remove option.
7828 * config.in: Regenerated.
7829 * configure: Likewise.
7831 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7833 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7835 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7836 regular basic block, and arrange for all edges into it to switch
7839 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7841 * Makefile.in (distclean): Do not remove .gdbinit.
7843 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7845 * Makefile.in (gcc.o): Fix typos.
7846 (protize.o): Likewise.
7847 (unprotoize.o): Likewise.
7849 2001-02-11 Richard Henderson <rth@redhat.com>
7851 * tree.c (build1): Check for null operand in last change.
7853 2001-02-11 Richard Henderson <rth@redhat.com>
7855 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
7856 (fold): Don't assume a constant isn't foldable.
7857 * tree.c (build): Set TREE_CONSTANT for an expression with no
7858 side-effects and constant operands.
7861 2001-02-10 Richard Henderson <rth@redhat.com>
7863 * jump.c (squeeze_notes): Revert 2000-05-12 change.
7865 2001-02-10 Anthony Green <green@redhat.com>
7867 * cpp.texi (Standard Predefined): Add documentation for
7870 * c-common.c (combine_strings): Improve warning message.
7872 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
7874 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
7876 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
7878 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
7880 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
7883 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
7885 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
7888 2001-02-09 Nick Clifton <nickc@redhat.com>
7890 * config/arm/arm.md: Change output contraint on post inc
7891 load/store multiple patterns to be a read/write contraint.
7893 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
7895 * gcc.c (cpp_options): Delete .d files on error. Don't delete
7896 .o files when using the -M options.
7898 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7899 David Edelsohn <edelsohn@gnu.org>
7901 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
7902 handle DImode constants. Use one TOC entry for SImode and smaller
7903 constants, aligned properly.
7905 2001-02-08 Jason Merrill <jason@redhat.com>
7907 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
7908 about the SP adjustment for saving the static chain pointer.
7909 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7910 offset when setting a temporary CFA register.
7912 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7914 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7915 powerpc-*-chorusos* .
7916 * config/rs6000/chorus.h : New file.
7917 * config/i386/chorus.h : New file.
7918 * config/sparc/chorus.h : New file.
7919 * config/sparc/t-chorus-elf : New file.
7921 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7923 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7924 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7925 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7926 (__WCHAR_TYPE__): Correct macro name.
7928 2001-02-08 Richard Henderson <rth@redhat.com>
7930 * config/i386/i386.c (ix86_frame_pointer_required): New.
7931 (ix86_setup_frame_addresses): New.
7932 (struct machine_funciton): Add accesses_prev_frame.
7933 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7934 ix86_frame_pointer_required.
7935 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7936 (SETUP_FRAME_ADDRESSES): New.
7937 * config/i386/i386-protos.h: Update.
7938 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7939 from FRAME_POINTER_REQUIRED.
7940 * config/i386/svr3gas.h: Likewise.
7941 * config/i386/sysv3.h: Likewise.
7942 * config/i386/v3gas.h: Likewise.
7944 2001-02-08 Richard Henderson <rth@redhat.com>
7946 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7947 calculation of the number of integer registers required.
7948 (function_arg_record_value): Likewise.
7950 2001-02-08 Jason Merrill <jason@redhat.com>
7952 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7953 two. Print file and line with "confused" message.
7955 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7957 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7959 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7961 2001-02-08 Bernd Schmidt <bernds@redhat.com>
7963 * final.c (cleanup_subreg_operands): The address of a MEM can
7966 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7969 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7971 * gcc.texi (Incompatibilities): Update documentation of
7972 preprocessing numbers.
7974 2001-02-07 Jakub Jelinek <jakub@redhat.com>
7976 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7978 2001-02-07 Mark Mitchell <mark@codesourcery.com>
7980 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7982 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7983 * gcc.c (struct compiler): Add cpp_spec field.
7984 (input_file_compiler): New variable.
7985 (do_spec_1): Allow a particular compiler to handle `%C'
7987 (main): Store the current compiler in input_file_compiler.
7988 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7990 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7992 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7993 * cppinit.c (cpp_create_reader): Initialize them.
7994 (append_include_chain): cxx_aware arg might be unused.
7995 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7996 keywords and give them their phase 7 meaning. Pedwarn about
7997 this unless '__bool_true_false_are_defined' is defined.
7999 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8001 * lcm.c (optimize_mode_switching): Emit mode_set before the
8002 JUMP_INSN of an abnormal edge.
8004 2001-02-07 Bernd Schmidt <bernds@redhat.com>
8006 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
8007 a scheduling barrier at the end.
8009 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
8011 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
8013 * config/sh/sh.md (reload_outsf): Removed.
8014 (movsf_ie): Introduce constraints for FPUL loads and stores.
8015 (reload_insf): Broaden the output constraint.
8017 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
8019 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
8020 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
8022 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
8024 * final.c: Revert my previous changes.
8025 * output.h: Make profile_label_no extern.
8026 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
8027 for generating label.
8029 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
8031 * config/i386/djgpp.h: Add comments about standard paths.
8032 (MD_EXEC_PREFIX): Undefine before defining.
8033 (MD_STARTFILE_PREFIX): New.
8035 2001-01-30 Bruce Korb <bkorb@gnu.org>
8037 fixinc/fixincl.c(process): Emit error message only if appropriate :)
8038 (load_file): do not rely on load_file_data() to close file pointer
8039 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
8040 fixinc/inclhack.def(irix_limits_const): add test_text
8042 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8044 * cppexp.c (parse_defined): Improve diagnostics for invalid
8047 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
8049 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
8051 2001-02-06 Mark Mitchell <mark@codesourcery.com>
8053 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
8054 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
8055 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
8056 (rs6000_output_symbol_ref): New function.
8057 (output_toc): Use VTABLE_NAME_P.
8059 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8061 * print-tree.c (print_node, case PARM_DECL):
8062 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
8064 * stor-layout.c (reference_types_internal): New variable.
8065 (internal_reference_types): New function.
8066 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
8067 * tree.h (internal_reference_types): New declaration.
8069 * cse.c (find_best_addr): Fix typo in computing cost.
8071 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8073 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
8074 and this is the sum of a pointer and a constant, we know the result
8076 (num_sign_bit_copies, case PLUS): Likewise.
8077 * explow.c (convert_memory_address): Remove opposite SUBREG.
8078 * function.c (instantiate_new_reg): New function (from common code).
8079 (instantiate_virtual_regs_1): Call it.
8080 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
8081 if pointers sign- or zero-extend.
8082 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
8083 If pointers extend unsigned, use inside of SUBREG.
8084 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
8086 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
8088 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
8089 subdir of gcc_gxx_include_dir.
8090 (gcc_gxx_target_include_dir): Remove.
8092 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
8094 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
8095 (dwarf2out_frame_debug_expr): Revise introductory comments to add
8096 a high-level description.
8098 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
8100 * final.c: Move the declaration of profile_label_no to ...
8101 * output.h: ... here.
8102 * function.c (expand_function_start): Call PROFILE_HOOK.
8103 * config/rs6000/aix.h: Define PROFILE_HOOK.
8104 * config/rs6000/rs6000-protos.h: output_profile_hook new.
8105 * config/rs6000/rs6000.c (output_profile_hook): Define.
8106 (output_prolog): Do nothing for ABI_AIX as it is taken care by
8107 output_profile_hook.
8108 tm.texi : Explain new macro PROFILE_HOOK.
8110 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
8112 * extend.texi (Extended Asm): Do not say that semicolon is always
8113 a valid line-breaking character for GNU assemblers. Use
8114 newline-tab as the most commonly supported syntax. Use
8115 newline-tab rather than semicolon in multi-insn examples.
8117 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8119 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
8121 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8122 David Edelsohn <edelsohn@gnu.org>
8124 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
8125 code for AIX, even without flag_pic.
8127 2001-02-05 Jakub Jelinek <jakub@redhat.com>
8129 * c-typeck.c (common_type): push and pop binding level around
8130 calling common_type on function parameters.
8132 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
8134 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
8136 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8138 * config/mips/mips.c (override_options): Fix typo in last change.
8139 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
8140 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
8142 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
8144 * invoke.texi (-fdump-class-layout): Document.
8145 (-fdump-translation-unit): Use `=' as filename separator.
8147 2001-02-05 Mark Mitchell <mark@codesourcery.com>
8149 * Makefile.in (s-mlib): Don't build multilibs if
8151 (DRIVER_DEFINES): Adjust accordingly.
8153 (protoize.o): Likewise.
8154 (unprotoize.o): Likewise.
8155 * configure.in: Recognize --enable-multilib.
8157 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8159 * Makefile.in (DRIVER_DEFINES): Fix quoting.
8161 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
8162 * configure.in: Remove --enable-libstdcxx_v3 support.
8163 * configure: Regenerated.
8165 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8167 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
8168 Call abort instead of fatal.
8169 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
8170 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
8171 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
8172 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
8173 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
8174 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
8176 * diagnostic.h (set_internal_error_function): Renamed.
8177 * toplev.h (internal_error): Renamed from fatal.
8178 (pfatal_with_name): Deleted.
8179 (fatal_io_error): Now has printf-style arguments.
8180 * diagnostic.c (pfatal_with_name): Deleted.
8181 (fatal_io_error): Rework to have args in printf-style.
8182 (set_internal_error_function): Renamed from set_fatal_function.
8183 (internal_error): Renamed from fatal.
8184 (error_recursion, fancy_abort): Call internal_error instead of fatal.
8185 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
8186 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
8187 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
8188 * flow.c (verify_flow_info): Likewise.
8189 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
8190 * config/mips/mips.c (save_restore_insns): Likewise.
8192 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
8193 * flow.c (verify_flow_info): Likewise.
8194 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
8195 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
8196 (avr_normalize_condition): Likewise.
8197 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
8198 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
8199 (limit_reload_class, double_reg_to_memory): Likewise.
8200 (print_operand_address, emit_1600_code_shift): Likewise.
8201 (gen_tst_reg, gen_compare_reg): Likewise.
8202 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
8203 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
8205 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
8207 * c-parse.in (methoddef): Call fatal_error instead of fatal.
8208 * objc/objc-act.c (build_ivar_chain): Likewise.
8209 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
8211 * graph.c (clean_graph_dump_file): Likewise.
8212 * profile.c (init_branch_prob): Likewise.
8213 * objc/objc-act.c (objc_init): Likewise.
8215 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
8216 * config/avr/avr.c (avr_override_options): Likewise.
8217 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
8218 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
8219 * config/h8300/h8300.c (h8300_init_once): Likewise.
8220 * config/mips/mips.c (override_options): Likewise.
8221 * config/i386/i386.c (override_options): Likewise, rework.
8222 * config/m68k/m68k.c (override_options): Likewise.
8224 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
8226 * config/mips/mips.c (print_operand): Likewise.
8227 * hash.c (hash_allocate): Don't check for failure returns from
8228 obstack functions that can't fail.
8229 (hash_table_init_n, hash_table_init): Likewise; also now return void.
8230 * hash.h (hash_table_init_n, hash_table_init): Now return void.
8231 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
8232 (get_object_reference): Likewise.
8234 2001-02-04 Nick Clifton <nickc@redhat.com>
8236 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
8237 StrongARM1110, 10TDMI, and 1020T.
8239 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8241 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
8243 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
8245 * config/sh/sh.md (movdf load split): Pass register number to
8246 FP_OR_XD_REGISTER_P.
8248 2001-02-04 Mark Mitchell <mark@codesourcery.com>
8250 * cppinit.c (BC): New macro.
8251 (builtin_array): Add __GXX_WEAK__.
8252 * cpplib.h (builtin_type): Add BT_WEAK.
8253 * cppmacro.c (builtin_macro): Handle BT_WEAK.
8254 * defaults.h (SUPPORTS_ONE_ONLY): Define.
8255 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
8257 2001-02-03 Jakub Jelinek <jakub@redhat.com>
8259 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
8261 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8263 * cpphash.h: Rename _ALIGN POOL_ALIGN.
8264 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8266 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
8268 * cpphash.h: Rename ALIGN _ALIGN.
8269 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
8271 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
8273 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
8274 compilation environment.
8275 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
8276 control over location of cygwin includes and libs.
8278 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8280 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
8282 2001-02-02 lars brinkhoff <lars@nocrew.org>
8284 * md.texi (Standard Names): remove reference to spur.md.
8286 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
8288 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
8289 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
8290 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
8291 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
8292 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
8294 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8296 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
8297 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
8298 number before reload.
8299 (c4x_adjust_cost): Return zero before reload.
8300 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
8301 split before reload.
8303 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8305 * c4x.c (c4x_hard_regno_rename_ok): New.
8306 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
8307 * c4x.h (HARD_REGNO_RENAME_OK): Define.
8309 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8311 * diagnostic.h: Add missing "extern" in all declarations.
8313 2001-02-02 Alex Samuel <samuel@codesourcery.com>
8315 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
8316 as for gcc_gxx_include_dir.
8318 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
8320 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
8322 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8324 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
8325 label before alignment to be used as the braf base address.
8326 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
8328 (casesi_jump_2): Require at least TARGET_SH2.
8330 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
8331 truncation to 32-bit doubles on -m3e and -m4-single-only.
8333 2001-02-02 Mark Mitchell <mark@codesourcery.com>
8335 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
8336 the default when building a shared object.
8337 (init_spec): Use it.
8338 * testsuite/lib/g++.exp: Include the directory where libgcc
8339 is located to the LD_LIBRARY_PATH list.
8340 * invoke.texi (-shared-libgcc): Document the cases in which
8341 GCC defaults to using the shared libgcc.
8343 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
8345 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
8346 unsigned is wide enough.
8348 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
8349 (si_to_float): Likewise.
8350 (float_to_si, float_to_usi): Use BITS_PER_SI.
8352 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8354 * dwarf2out.c: Added explanation of abbreviations.
8355 (def_cfa_1): Added comments listing DWARF2 instructions.
8356 (cfa_temp_reg): Removed in favor of cfa_temp.
8357 (cfa_temp_value): Removed in favor of cfa_temp.
8358 (cfa_temp): New global variable.
8359 (dwarf2out_frame_debug_expr): Added extensive introductory
8360 comments explaining the function's transformations. Revised to
8361 use cfa_temp. Added some rtx checking. Generalize IOR case.
8362 (dwarf2out_frame_debug): Revised to use cfa_temp.
8363 (output_aranges): Cast as "unsigned" to avoid warning.
8364 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
8365 explain which instructions must be marked.
8367 2001-02-01 Richard Henderson <rth@redhat.com>
8369 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
8372 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
8374 * config/sh/crt1.asm (main_k): Modified so that start calls
8375 ___setup_argv_and_call_main.
8377 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
8379 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
8380 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
8381 and AVOID_LPASTE is cleared on meeting an unescaped newline.
8382 * cppmacro.c (builtin_macro): Set builtin flags here.
8383 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
8384 (replace_args): Clarify intent.
8385 (cpp_get_token): Macro expansion tokens get the saved flags.
8387 * cppmain.c (scan_buffer): Remove now-redundant print.printed
8390 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
8392 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
8395 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8397 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
8398 returns Pmode pseudo, but we need ptr_mode.
8399 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
8400 Remove bogus conversions; use HOST_WIDE_INT for size.
8401 Don't use TARGET if wrong mode.
8403 * config/i386/i386.c (ix86_compute_frame_size): Allow
8404 stack_alignment_needed to be non-default even if size is zero.
8406 2001-01-31 Alan Modra <alan@linuxcare.com.au>
8408 * pa.c (hppa_init_pic_save): New function.
8409 * pa.h (hppa_init_pic_save): Declare.
8410 * pa.md (call, call_value, sibcall, sibcall_value): Use
8411 the above instead of duplicated code.
8413 * pa.c (hppa_encode_label): Correct size of alloca buffer
8414 so we don't overrun it. Correct leading `*' case.
8415 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
8416 need to handle `*@'.
8417 (FUNCTION_NAME_P): Likewise.
8419 2001-01-31 Richard Henderson <rth@redhat.com>
8421 * config.gcc (alpha-osf5): Use float-i128.h.
8423 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
8424 * config/float-i32.h: Likewise.
8425 * config/float-i64.h: Likewise.
8426 * config/float-sh.h: Likewise.
8427 * config/float-sparc.h: Likewise.
8429 2001-01-31 DJ Delorie <dj@redhat.com>
8431 * expmed.c (extract_bit_field): allow non-integral modes if we
8432 want to extract a whole register from itself.
8434 2001-01-31 Jakub Jelinek <jakub@redhat.com>
8436 * c-typeck.c (set_init_index): If first is equal to last, assume as
8437 if it was not a range at all.
8439 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8441 * config/fp-bit.c: Include tm.h.
8442 (float_to_si): Don't assume SImode is 32-bits wide.
8443 (float_to_usi): Likewise.
8445 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
8447 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8449 (typename): Call pending_xref_error after parsing typed_typespecs.
8450 * c-decl.c (lookup_tag): Give error immediately rather than
8451 leaving it pending if the tag of the wrong type is in the same
8453 (xref_tag): Don't pedwarn for forward declarations of enum types
8455 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8458 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8460 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8462 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8464 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8465 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8467 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8469 * cpphash.h (struct cpp_reader): New saved_flags.
8470 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8471 to avoid a paste after a pasted token.
8473 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8475 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8476 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8477 Wtype_MIN instead of LONG_MIN.
8479 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8481 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8483 * fixinc/fixincl.x: Regenerated.
8484 * fixinc/inclhack.def (irix_limits_const): New definition to
8485 convert "const" to "__const" in limits.h.
8487 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8489 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8491 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8493 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8494 when register dies in the insn.
8496 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8498 * diagnostic.c (fatal): Fix word wrap.
8500 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8502 * combine.c (try_combine): Fix SUBREG setting for
8503 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8505 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8507 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8510 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8512 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8514 * toplev.c (decode_W_option): Update warn_larger_than
8515 unconditionally for each processed switch.
8517 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8519 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8521 (hppa_expand_prologue): Delete code to save pic offset table register
8522 in the function prologue.
8523 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8524 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8525 table register at the beginning of the function after the prologue.
8527 2001-01-29 lars brinkhoff <lars@nocrew.org>
8529 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8531 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8532 Jeff Law <law@redhat.com>
8534 * pa.md (return): Revise comment for trivial return.
8535 (return_internal): Non-trivial return pattern for non-PIC code.
8536 (return_internal_pic): Non-trivial return pattern for PIC code.
8537 It uses the PIC register to ensure it is restored after
8539 (epilogue): Generate appropriate return for PIC and non-PIC code.
8541 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8543 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8545 2001-01-29 DJ Delorie <dj@redhat.com>
8547 * combine.c (if_then_else_cond): Pass the correct mode to
8548 operand_subword() for constants.
8550 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8552 * config/i386/cygwin.h: Add w32api to include search. Search different
8553 directories in a cross-build environment.
8555 2001-11-29 Tim Josling <tej@melbpc.org.au>
8557 * tree.h (TYPE_STUB_DECL): Add documentation.
8559 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8561 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8562 (sdbout_field_types): Likwise. Fix use of host_integerp.
8564 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8566 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8569 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8571 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8572 to use flag_gnu_linker.
8574 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8576 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8577 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8579 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8581 * tree.c, tree.h (build_parse_node): Remove; was identical to
8583 * c-lang.c (start_cdtor), objc/objc-act.c
8584 (build_module_descriptor): Use build_nt instead of
8587 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8589 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8590 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8591 not have any upper bits set.
8593 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8595 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8597 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8599 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8601 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8603 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8604 (integer_minus_one_node): Define.
8606 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8608 * Makefile.in (bootstrap2-lean): Fix typo.
8610 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8612 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8613 : Don't set fe_value.
8614 * cpplib.h (AVOID_LPASTE): New flag.
8615 (struct cpp_hashnode): Remove fe_value.
8616 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8617 * cppmacro.c (builtin_macro): Don't set flags here.
8618 (replace_args): Set AVOID_LPASTE flag on first token of an
8619 argument, and the token following it.
8620 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8621 macro expansion, and on the token following it. Do it for
8623 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8625 2001-01-27 Richard Henderson <rth@redhat.com>
8627 * config/alpha/t-ieee: Remove multilibbing.
8628 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8630 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8632 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8634 * Makefile.in: Remove all dependencies on defaults.h.
8635 * builtins.c: Don't include defaults.h.
8636 * c-common.c: Likewise.
8637 * c-decl.c: Likewise.
8638 * c-pragma.c: Likewise.
8639 * c-typeck.c: Likewise.
8640 * combine.c: Likewise.
8642 * frame-ia64.c: Likewise.
8643 * cppexp.c: Likewise.
8644 * crtstuff.c: Likewise.
8645 * dbxout.c: Likewise.
8646 * dwarf2out.c: Likewise.
8647 * dwarfout.c: Likewise.
8648 * emit-rtl.c: Likewise.
8649 * except.c: Likewise.
8651 * final.c: Likewise.
8652 * frame-dwarf2.c: Likewise.
8653 * libgcc2.c: Likewise.
8654 * optabs.c: Likewise.
8655 * profile.c: Likewise.
8656 * sdbout.c: Likewise.
8657 * toplev.c: Likewise.
8658 * tradcif.y: Likewise.
8660 * varasm.c: Likewise.
8662 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8664 * builtins.c (expand_builtin_fputs): Use size_one_node when
8665 transforming into fwrite.
8667 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8669 * extend.texi (Attribute Syntax): New section.
8671 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8673 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8674 they didn't need fixing.
8676 2001-01-27 Janis Johnson <janis@us.ibm.com>
8678 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8680 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8681 to remove macro definitions that are duplicated from elfos.h.
8683 2001-01-27 Richard Henderson <rth@redhat.com>
8685 * config/i386/sco5gas.h: Move ...
8686 * config/usegas.h: ... here.
8687 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8689 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8691 * c-typeck.c (struct constructor_stack): Add range_stack member.
8692 (really_start_incremental_init): Clear it.
8693 (push_init_level): Save constructor_range_stack and clear it if
8694 pushing explicit braces.
8695 (pop_init_level): abort if constructor_range_stack is non-zero at
8696 explicit closing brace. Restore saved constructor_range_stack if
8699 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8701 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8702 into register was forced into memory.
8704 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8706 * Makefile.in: Remove uses of + before $(MAKE).
8708 2001-01-26 Richard Henderson <rth@redhat.com>
8710 * stmt.c (cost_table): Remove.
8711 (COST_TABLE, cost_table_initialized): New.
8712 (estimate_case_costs): Use the later instead of the former.
8713 (balance_case_nodes): Likewise.
8715 2001-01-26 Richard Henderson <rth@redhat.com>
8717 * alias.c (objects_must_conflict_p): Read-only slots may not
8718 conflict despite having the same type.
8720 2001-01-27 Michael Hayes <mhayes@redhat.com>
8722 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8724 (check_ext_dependant_givs): Initialise u_start_val and
8726 (load_mems): Make last_max_reg unsigned.
8727 (try_swap_copy_prop): Use INSN_P and initialise set.
8729 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8731 * README.AVR : Removed.
8733 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8735 * pa-64.h (text_section): Remove declaration.
8737 * pa.md (return_internal): Remove mode on PIC register use.
8739 2001-01-25 lars brinkhoff <lars@nocrew.org>
8741 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8742 ASM_CLOSE_PAREN): fix typos.
8744 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8746 * acconfig.h: Define `const' to the empty string if neither
8747 __STDC__ nor __cplusplus is defined.
8748 * config.in: Regenerated.
8750 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8752 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8753 * collect2.c (main): Delete importf. Add ".obj" file extension.
8754 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8755 (aix_std_libs): Add additional AIX libraries to skip.
8756 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8757 * config/rs6000/aix51.h: New file.
8759 2001-01-25 Michael Hayes <mhayes@redhat.com>
8761 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8762 (loop_insn_emit_before): No longer static.
8763 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8764 (loop_givs_rescan, load_mems): Likewise.
8765 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8766 (maybe_eliminate_biv_1):
8767 (move_movables): Replace emit_call_insn_before with
8768 loop_call_insn_hoist.
8769 * loop.h (loop_insn_emit_before): Add.
8770 * unroll.c (copy_loop_body): Replace emit_insn_before with
8771 loop_insn_emit_before.
8773 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8775 * diagnostic.c (fatal): Request preprocessed source.
8777 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8779 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8780 olddecl has argument types and newdecl has none, use the argument
8783 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8785 * dwarf2out.c (prefix_of): New function. Determine longest common
8786 prefix of the two arguments. The units are whole path components.
8787 (output_file_names): When adding a new directory find the one entry
8788 with the longest common prefix already in the list. Artificially
8789 generate entry if there is none for this prefix.
8790 Fix test to check whether the zeroth directory entry is used.
8792 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8794 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8795 Changed all callers. Take it into account when deciding if a
8796 previously loaded value matches.
8798 2001-01-24 Richard Henderson <rth@redhat.com>
8800 * reload.c (find_reloads_subreg_address): Fail the substitution
8801 if the resulting address is insufficiently aligned.
8803 2001-01-24 DJ Delorie <dj@redhat.com>
8805 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8806 check the original operand's mode also.
8807 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8809 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8811 * c-parse.in (cast_expr): Move compound literals from here ...
8812 (primary): ... to here. Use standard terminology "compound
8813 literal" instead of "constructor expression".
8815 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8817 * gcc.1, cpp.1: Regenerate.
8819 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8821 * calls.c (emit_library_call_value_1): Memory slot for
8822 pass-by-reference argument should have the mode of the argument,
8823 not of the pointer to it.
8825 2001-01-24 Tom Tromey <tromey@redhat.com>
8827 * gcc.texi (G++ and GCC): Mention gcj manual.
8828 (Standards): Link to section of manual mentioning gcj/Java
8831 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8833 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8834 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8835 * tradcpp.c (main): Add -imacros or -include'd dependencies
8837 * cpp.texi (-M, -MM): Document -M -include behaviour.
8839 2001-01-24 Roger Collins <roger@ProProject.com>
8841 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8843 2001-01-24 Will Cohen <wcohen@redhat.com>
8845 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8846 whether registers are 32 bits or 64 bits in size.
8848 2001-01-24 Ben Elliston <bje@redhat.com>
8850 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8852 2001-01-24 Richard Henderson <rth@redhat.com>
8854 * config/alpha/alpha.md (builtin_longjmp_internal): New.
8855 (builtin_longjmp): Use it instead of emit_indirect_jump.
8857 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
8859 * bb-reorder.c (make_reorder_chain_1): Handle case where
8860 jump edge goes to the same block as the fallthru edge.
8862 2001-01-23 Jim Wilson <wilson@redhat.com>
8864 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
8865 * frame.h (__ia64_personality_v1): Add prototype.
8866 * libgcc2.c (ia64_throw_helper): Change personality declaration to
8867 prototype form. Add void * cast to first argument to personality
8869 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
8870 (asctoe113): Likewise.
8871 * config/ia64/frame-ia64.c: Include eh-common.h.
8872 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
8874 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
8876 (itanium_split_issue): Add prototype.
8877 (gen_nop_type): Ifdef out.
8878 (find_best_packet): Initialize best_packet.
8879 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
8881 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
8882 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
8883 (flushrs): Add explicit stop bit at end.
8884 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
8887 2001-01-23 Chris Demetriou <cgd@broadcom.com>
8889 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
8891 * libgcc2.c (__terminate_func): Make variable static.
8892 (__terminate_set_func): New function to set __terminate_func.
8893 * libgcc2.h (__terminate_func_ptr): New typedef.
8894 (__terminate_set_func): New function.
8896 2001-01-23 Richard Henderson <rth@redhat.com>
8898 * flow.c (init_propagate_block_info): Don't consider unchanging
8899 memories for dead frame store elimination.
8901 2001-01-23 Richard Henderson <rth@redhat.com>
8903 * varasm.c (UNIQUE_SECTION): Move default implementation ...
8904 * defaults.h: ... here.
8906 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8908 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
8910 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8912 * c-lex.c (lex_charconst): Fix typo: s/p/str.
8914 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8916 * rs6000.h (rs6000_return_addr): Move prototype from here...
8917 * rs6000-protos.h (rs6000_return_addr): ...to here.
8918 (rs6000_init_expanders): Delete prototype.
8920 2001-01-23 Nick Clifton <nickc@redhat.com>
8922 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8923 (Spec Files): Document %B and %j and %. and %v3 and %M and
8924 %{S*&T} spec switches.
8926 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8928 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8930 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8931 Neil Booth <neil@daikokuya.demon.co.uk>
8933 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8934 Have -Werror make pedantic warnings errors, like the
8937 2001-01-23 Phil Edwards <pme@sources.redhat.com>
8939 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8941 2001-01-23 Jakub Jelinek <jakub@redhat.com>
8943 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8944 * integrate.c (expand_inline_function): Initialize them.
8945 (subst_constants): If changing COMPARE so that both its arguments
8946 will be VOIDmode and the comparison mode will be lost, note
8947 compare_mode. Use the recorded compare_mode to optimize
8950 2001-01-23 Jason Merrill <jason@redhat.com>
8952 * dwarf2out.c (new_die): Use xcalloc.
8953 (output_die): Abort rather than emit a local reference to offset 0.
8955 2001-01-17 Andrew Haley <aph@redhat.com>
8957 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8958 of a saved register; return NULL instead.
8959 (copy_reg): Take a pointer to a source register rather than a
8961 (next_stack_level): Remember the address in the stack frame of all
8963 Use the saved register pointer array as the source of the CFA.
8964 (throw_helper): Rewrite. Unwind once rather than twice and keep
8965 track of saved registers as we go.
8967 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8969 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8970 * c4x.c (c4x_legitimize_reload_address): Remove.
8971 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8972 reload address for ldp(k) insn.
8974 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8976 * pa.md (return_internal): Add a USE of the PIC register to ensure
8977 it is restored after each call.
8978 (return expander): Corresponding changes.
8980 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8982 * rs6000.h (INIT_EXPANDERS): Delete.
8983 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8984 * rs6000.c (rs6000_override_options): Call *_machine_status from
8986 (rs6000_init_expanders): ...instead of here. Delete.
8987 (rs6000_mark_machine_status): New function.
8988 (rs6000_init_machine_status): Use xcalloc.
8989 (rs6000_return_addr): Generate RTX for the return address.
8990 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8991 (rs6000_stack_info): Use it.
8993 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8995 * gthr-win32.h: Include errno.h to get a declaration for
8996 EINVAL and _mingw.h if the target is mingw32.
8998 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
9000 * cpp.texi: Correct typos.
9002 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9004 * explow.c (probe_stack_range): Ensure value passed to
9005 stack_check_libfunc is ptr_mode, not Pmode.
9007 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
9009 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
9010 case, don't use operand_subword to calculate a SUBREG that is
9013 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
9015 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9017 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
9018 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
9019 valid. If not replace it by equivalent insns.
9021 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
9023 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
9024 contains SYMBOL_REF, LABEL_REF and CONST_INT.
9025 (c4x_U_constraint, symbolic_address_operand): Likewise.
9026 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
9028 (c4x_r11_set_p, c4x_check_laj_p): New functions.
9029 * c4x-protos.h (c4x_check_laj_p): Add prototype.
9030 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
9031 anulling slot because of silicon bug.
9032 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
9034 2001-01-22 Alan Modra <alan@linuxcare.com.au>
9036 * cppexp.c (parse_charconst): Change `mask' type to agree
9039 2001-01-21 Richard Henderson <rth@redhat.com>
9041 * config/i386/i386.c (ix86_asm_file_end): Disable putting
9042 pic_label_name in a linkonce section.
9044 2001-01-17 Philipp Thomas <pthomas@suse.de>
9046 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
9048 * configure: Regenerate.
9050 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
9052 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
9053 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
9055 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
9057 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
9058 If REVERSE nonzero then condition code in X must be reversed.
9059 (encode_section_info): Optimise if/else.
9060 (avr_function_value): Fix formatting.
9062 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
9063 (difficult_branch): Likewise.
9064 (rvbranch): Likewise.
9065 (difficult_rvbranch): Likewise.
9067 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
9069 * config/avr/libgcc.S: Fix comment.
9071 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9073 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
9075 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9077 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
9079 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
9081 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
9082 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
9083 * configure, config.in: Regenerate.
9084 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
9085 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
9086 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
9087 (doprint.o): New rule.
9089 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
9091 * c-typeck.c (digest_init): Handle boolean types as scalars.
9093 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9095 * stmt.c (expand_return): Don't return anything if size is zero.
9096 Delete redundant assignment to BYTES.
9097 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
9099 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
9101 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
9102 the same as the default library function names.
9103 * config/avr/avr.md: Document special characters after '%'.
9104 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
9105 knowing which of the call-used registers are really clobbered.
9106 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
9107 New. Both quotient and remainder from one libgcc.S call.
9108 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
9109 clobber as few registers as possible.
9110 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
9112 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
9114 * cppmacro.c (funlike_invocation_p): Don't move back up to the
9115 context of the top of the stack.
9117 2001-01-20 Jakub Jelinek <jakub@redhat.com>
9119 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
9120 (fixup_var_refs_insns): ...here.
9122 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
9124 * function.c (fixup_var_refs_insns): Break up into
9125 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
9126 [loop over entire insn list], and fixup_var_refs_insns_with_hash
9127 [loop over hash table entries].
9128 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
9129 fixup_var_refs_insns_with_hash, to match above changes.
9131 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
9133 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
9134 (libgcc.a): Likewise.
9135 (stmp-multilib): Likewise.
9136 (STAGE2_FLAGS_TO_PASS): Likewise.
9138 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
9140 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
9141 temporary if no_new_pseudos.
9143 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
9145 * cppinternals.texi: Update.
9147 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
9149 * arm.c (arm_init_builtins): Re-enable builtins.
9151 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9153 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
9154 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
9155 element to be null, and always expect an EXPR_LIST.
9156 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
9157 * sched-deps.c (sched_analyze_1): Likewise.
9158 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9160 * regclass.c (max_set_parallel): New variable.
9161 (reg_scan): Take it into account in computation of max_parallel.
9162 (reg_scan_mark_refs, case SET): Compute it.
9164 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
9166 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
9167 * function.c (assign_parms): Use INTVAL for a CONST_INT.
9169 2001-01-19 Jason Merrill <jason@redhat.com>
9171 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
9172 for the abstract instance of an inline function.
9174 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
9175 J"orn Rennecke <amylaar@redhat.com>
9177 * reload1.c (move2add_note_store): Treat all registers directly or
9178 indirectly derived from a base register as members of the same set
9180 (reload_cse_move2add): Adjust accordingly. Take mode and offset
9181 of base register into account.
9183 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
9185 * alias.c (find_base_value): Recognize TRUNCATE.
9186 (record_set): In PLUS case, invalidate if other summand is also a
9189 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9191 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
9192 entry to be EXPR_LIST.
9193 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
9194 be an EXPR_LIST (but not null, which other code doesn't allow).
9195 (note_stores): Properly handle PARALLEL in SET.
9196 Recursively call for top-level PARALLEL.
9197 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
9198 * sched-rgn.c (check_live_1, update_live_1): Likewise.
9200 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
9202 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
9204 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
9205 not pfile->skipping (== 0).
9207 2001-01-17 Nick Clifton <nickc@redhat.com>
9209 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
9212 2001-01-17 Jim Wilson <wilson@redhat.com>
9214 * invoke.texi (IA-64 options): Improve.
9216 2001-01-17 Tom Tromey <tromey@redhat.com>
9218 * invoke.texi (Optimize Options): Use `{}' to around @samp
9221 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
9223 * invoke.texi (-fno-guess-branch-probability): New option.
9225 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9227 * combine.c (try_combine): Don't set i3_subst_into_i2 for
9228 case of making new double-word constant.
9229 Revert last change: instead just test i3_subst_into_i2.
9231 2001-01-17 Jakub Jelinek <jakub@redhat.com>
9233 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
9234 Use q constraints instead of r.
9236 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
9238 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
9239 (machine_function): Define.
9240 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
9241 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
9242 pa_free_machine_status): New functions.
9243 (override_options): Set {init,mark,free}_machine_status to above.
9244 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9245 PIC_OFFSET_TABLE_REGNUM_SAVED.
9246 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
9247 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
9248 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
9249 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
9250 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9252 2001-01-15 DJ Delorie <dj@redhat.com>
9254 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
9258 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9260 * flow.c (propagate_on_insn): Make trying to delete a prologue
9261 or epilogue insn an ICE, not a warning. Allow doing this if
9262 the current function returns with stack pointer depressed.
9264 * combine.c (try_combine): If i3_subst_into_i2, properly check for
9265 I3 having more than one SET.
9267 2001-01-16 Jim Wilson <wilson@redhat.com>
9269 * invoke.texi: Document IA-64 options.
9271 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
9272 (fixup_errata): Delete TARGET_A_STEP use.
9273 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
9274 (TARGET_SWITCHES): Delete -ma-step option.
9275 * config/ia64/ia64.md (all FP patterns): Delete %B0.
9276 (movqicc_astep, movqi_internal_astep, movhicc_astep,
9277 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
9278 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
9279 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
9280 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
9282 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
9283 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
9284 cmovsi_internal): Delete ! TARGET_A_STEP check.
9286 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
9288 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
9289 possibility to report bugs via postal mail. Change a URL and
9290 merge in a nearly duplicate statement...
9291 (Bug Reporting): ...from here.
9292 (Service): Refer to the Bug Reporting section instead of
9294 (Contributing): Remove trivial explanations concerning snapshots.
9296 2001-01-16 Alan Modra <alan@linuxcare.com.au>
9298 * cppmain.c (general_init): Don't use ANSI prototype.
9300 2001-01-16 Tom Tromey <tromey@redhat.com>
9302 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
9304 2001-01-16 Richard Henderson <rth@redhat.com>
9306 * config/i386/i386.h: Fix comment typo.
9307 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
9308 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
9310 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9312 * gcc.c: Revert previous -fsyntax-only-related change; move
9315 2001-01-16 Jakub Jelinek <jakub@redhat.com>
9317 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
9318 inmode after checking GET_CODE (op).
9320 2001-01-16 Richard Henderson <rth@redhat.com>
9322 * flow.c (struct propagate_block_info): Add mem_set_list_len.
9323 (MAX_MEM_SET_LIST_LEN): New.
9324 (propagate_one_insn): Update mem_set_list_len.
9325 (invalidate_mems_from_autoinc): Likewise.
9326 (invalidate_mems_from_set): Likewise.
9327 (mark_used_regs): Likewise.
9328 (init_propagate_block_info): Likewise. Stop collecting memories
9329 when we reach MAX_MEM_SET_LIST_LEN.
9330 (mark_set_1): Likewise.
9332 2001-01-16 Richard Henderson <rth@redhat.com>
9334 * unroll.c (precondition_loop_p): Fail if no iteration
9337 2001-01-16 Phil Edwards <pme@sources.redhat.com>
9339 * gcc.c: When -fsyntax-only is given, do not complain about
9342 2001-01-15 Richard Henderson <rth@redhat.com>
9344 * config/i386/i386.c (asm_output_function_prefix): Remove.
9345 (ix86_asm_file_end): New.
9346 (load_pic_register): Generate pic_label_name into a
9347 staticly allocated buffer.
9348 * config/i386/i386-protos.h: Update.
9349 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
9350 (ASM_FILE_END): New.
9351 * config/i386/i386afe.h: New file.
9352 * config.gcc (i?86-*-elf) [tm_file]: Use it.
9353 (i?86-*-{freebsd,linux*,moss*}): Likewise.
9354 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
9355 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
9356 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
9357 * config/i386/sco5.h (ASM_FILE_END): Likewise.
9358 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
9360 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
9362 * Makefile.in (install-man): Remove explicit dependency on
9365 * configure.in, configure: Revert previous patch requiring perl
9368 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
9370 * toplev.c (flag_guess_branch_prob): New.
9371 (f_options): Add guess-branch-probability option.
9372 (rest_of_decl_compilation): Only estimate branch probability if
9374 (main): set flag_guess_branch_prob.
9376 * flags.h (flag_guess_branch_prob): New.
9378 2001-01-15 DJ Delorie <dj@redhat.com>
9380 * gcc.texi (Makefile): Add documentation for Makefile targets.
9382 2001-01-15 Philip Blundell <philb@gnu.org>
9384 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
9386 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
9387 (is_pic): Delete declaration.
9388 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
9389 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
9390 * config/arm/arm.md (builtin_setjmp_receiver): New.
9392 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9394 * arm.c (use_return_insn): Don't try to determine the function type
9395 until after reload has completed.
9396 (arm_output_epilogue): Don't adjust the sp value recovered from the
9398 (emit_multi_reg_push): Don't record dwarf information for the pc.
9399 * arm.md (eh_epilogue): The function type may have changed, so it
9400 needs to be recalculated.
9401 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
9402 unwind tables on arm/netbsd.
9404 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9406 * arm.md (cbranchsi4): Correct calculation of branch ranges.
9407 (negated_cbranchsi4): Likewise.
9409 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
9411 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
9412 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9413 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
9414 pass -mapcs-* options to assembler.
9415 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
9416 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
9417 (ASM_SPEC): Call subtarget_extra_asm_spec.
9419 2001-01-15 Andreas Jaeger <aj@suse.de>
9421 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
9423 (ix86_expand_builtin): Likewise.
9425 * gencodes.c (output_predicate_decls): Make i size_t to avoid
9426 warning about comparison between signed and unsigned.
9428 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9430 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
9432 2001-01-14 Ralf Baechle <ralf@gnu.org>
9434 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
9435 SUBTARGET_CPP_SPEC apropriatly.
9437 2001-01-12 Mark Mitchell <mark@codesourcery.com>
9439 * varasm.c (make_decl_rtl): Fix typo in last change.
9441 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
9443 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
9444 linker supports the init_priority C++ attribute.
9445 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
9446 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
9447 linker does not support init_priority C++ attribute.
9449 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9451 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9453 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9455 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9456 * cp/lex.c (finish_parse): Similarly.
9457 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9458 Return the number of errors encountered.
9459 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9460 * cppmain.c (main): Don't call cpp_destroy.
9462 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9464 * configure.in: Require at least perl 5.6.0 to regenerate
9466 * configure: Regenerate.
9468 2001-01-14 Richard Henderson <rth@redhat.com>
9470 * genrecog.c (DT_veclen_ge): New.
9471 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9472 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9473 (nodes_identical_1): Handle DT_veclen_ge.
9474 (write_cond, debug_decision_2): Likewise.
9476 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9478 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9480 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9482 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9484 * cppmain.c (do_preprocessing): New function; most of the old
9486 (main): Call it to do most of the work.
9487 (cb): Move from global scope to set_callbacks ().
9488 (setup_callbacks): Get the callback pointer.
9489 (general_init, printer_init): Clean up code and comments.
9491 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9493 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9496 2001-01-14 Kazu Hirata <kazu@hxi.com>
9498 * config/h8300/h8300.c (get_shift_alg): Update comments.
9500 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9502 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9503 (alloc_page, ggc_alloc): Add casts to remove warnings.
9505 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9507 * combine.c (simplify_comparison): Don't change `code' when
9508 can't reverse comparison.
9510 2001-01-14 Richard Henderson <rth@redhat.com>
9512 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9513 update all call sites. Return true for all non-label constants.
9515 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9517 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9519 (ix86_expand_branch): Update.
9520 (ix86_expand_setcc): Update to handle multiple test conditions.
9521 (expand_int_movcc): Likewise.
9522 (expand_fp_movcc): Likewise.
9523 * i386-protos.h (ix86_expand_compare): New.
9524 * i386.md (andqi_?_slp, orqi_?_slp): New.
9525 (conditional trap expander): Update call to ix86_expand_compare.
9527 2001-01-14 Richard Henderson <rth@redhat.com>
9529 * config/vax/vax.md: Use nonimmediate_operand instead of
9530 general_operand in destinations.
9532 * config/vax/vax.md (indirect_jump): Use register_operand.
9534 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9535 * config/vax/vax.md (call_pop): Turn into an expander.
9536 (call_value_pop): Likewise.
9537 (call, call_value): New.
9539 2001-01-14 Andreas Jaeger <aj@suse.de>
9541 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9543 (ix86_fp_compare_mode): Add unused attribute.
9544 (ix86_expand_fp_movcc): Remove unused variable.
9545 (ix86_expand_builtin): Make fcode unsigned.
9547 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9548 (expand_expr): Add cast to avoid signed warning.
9549 (store_field): Likewise.
9550 (store_constructor_field): Likewise.
9551 (store_constructor): Likewise.
9552 (store_expr): Likewise.
9553 (clear_storage): Likewise.
9554 (emit_group_store): Likewise.
9555 (emit_group_load): Likewise.
9557 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9559 * c-common.c: Move format checking code to ...
9560 * c-format.c: ... here. New file. Reorder some functions and
9562 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9564 * c-common.h (decl_handle_format_attribute,
9565 decl_handle_format_arg_attribute): Declare.
9566 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9567 (c-common.o): Adjust dependencies.
9568 (c-format.o): New list of dependencies.
9570 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9572 * unroll.c (loop_iterations): If we cannot prove iteration variable
9573 is set once in each iteration, punt.
9575 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9577 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9578 (*strlenhi): Remove clobber (which was buggy) of output address.
9580 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9582 * Makefile.in (generated-manpages): Add gcc.1
9583 ($(srcdir)/gcc.1): New target.
9584 (maintainer-clean): Delete $(srcdir)/gcc.1.
9585 * gcc.texi: Add macros @gccoptlist and @gol.
9586 * invoke.texi: Include option summary in manpage. Mark up option
9587 summary with @gccoptlist and @gol. Use @r in one place where
9589 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9590 * gcc.1: Generate from invoke.texi.
9592 2001-01-13 Richard Henderson <rth@redhat.com>
9594 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9595 (struct page_entry): Add group member.
9596 (struct page_group): New.
9597 (struct globals): Add page_groups member.
9598 (alloc_anon): Only define for using mmap; remove valloc call.
9599 (page_group_index): New.
9600 (set_page_group_in_use): New.
9601 (clear_page_group_in_use): New.
9602 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9603 (free_page, release_pages): Likewise.
9604 * configure.in (with-gc): Default to ggc-page always.
9606 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9608 * reload1.c (replace_pseudos_in_call_usage): Use
9609 reg_equiv_constant and reg_equiv_address, and don't try
9610 regno_reg_rtx first.
9612 2001-01-13 Richard Henderson <rth@redhat.com>
9614 * ggc-page.c (alloc_page): Round up allocation size to one page.
9615 Set e->order on extra pages.
9617 2001-01-13 Richard Henderson <rth@redhat.com>
9619 * genrecog.c (nodes_identical): Expand commentary.
9620 (write_switch): Watch out for identical nodes.
9622 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9624 * cppfiles.c (_cpp_fake_include): New function.
9625 * cpphash.h (_cpp_fake_include): New.
9626 * cpplib.c (do_line): Call _cpp_fake_include when entering
9627 header files in preprocessed input.
9628 * cppmain.c (cb_pragma_implementation): Remove handling.
9629 (setup_callbacks): Don't register pragmas.
9631 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9633 * extend.texi: Udate for CPP.
9635 2001-01-13 Andreas Jaeger <aj@suse.de>
9637 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9639 * regmove.c: Add prototype for replace_in_call_usage.
9641 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9643 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9644 struct cpp_chunk, struct htab, struct toklist,
9645 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9646 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9647 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9648 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9649 (struct macro_args): Delete.
9650 * cpphash.h: See above.
9652 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9654 * cppmain.c (struct printer): Remove no_line_dirs.
9656 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9657 : Use options rather than CPP_OPTION.
9658 (setup_callbacks): Use cb rather than pfile->cb.
9659 (main): No need to check for a buffer. Use cpp_errors.
9660 (printer_init): Don't set no_line_dirs.
9661 (maybe_print_line): Use options not no_line_dirs.
9662 (cb_file_change): Don't call print_line if -P.
9664 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9666 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9668 * c-parse.in (finish_parse): Use cpp_errors.
9669 (__yylex): Use return value of cpp_pop_buffer.
9670 * cp/lex.c (finish_parse): Use cpp_errors.
9671 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9673 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9675 * README.AVR: URLs corrected.
9677 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9679 * c-decl.c (start_function): Don't warn if old prototype is builtin
9680 that's not in C's namespace.
9681 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9682 (_bb): Add prototype for ctime.
9683 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9685 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9687 * i386.c (ix86_fp_comparison_arithmetics_cost,
9688 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9689 ix86_fp_comparison_cost): New functions.
9690 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9691 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9692 two-branch sequences; make static.
9693 (ix86_use_fcomi_compare): Do decision according to the costs.
9694 (split_fp_branch): New.
9695 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9696 * i386-protos.h (ix86_expand_fp_compare): Remove
9697 (ix86_split_fp_branch): Declare.
9699 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9700 and ix86_comparison_operator.
9702 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9705 * i386.c (put_condition_code): Output properly the unordered/ordered
9706 compares in fp case.
9707 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9709 * tm.texi (REVERSE_CONDITION): Document.
9710 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9711 in -ffast-math mode.
9712 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9714 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9716 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9718 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9721 * config/sh/sh.c (mova_p): Fix test for mova_const.
9723 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9725 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9726 cpp_get_options rather than dereferencing pfile and using
9728 * scan-decls.c (scan_decls): Use return value of
9729 cpp_pop_buffer rather than CPP_BUFFER.
9731 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9733 * cppinit.c (cpp_handle_option): help_only is now part of the
9734 cpp_options structure.
9735 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9736 cpp_set_callbacks): New functions.
9737 * cpplib.h (cpp_callbacks): Break out as a named structure.
9738 (cpp_options): Move help_only here from cpp_reader.
9739 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9740 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9741 cpp_set_callbacks): New prototypes.
9742 * cppmain.c (main): Update for help_only.
9744 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9746 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9747 Also build and remove and install and uninstall c-tree.info and
9749 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9750 ($(srcdir)/cppinternals.info): New target.
9751 * c-tree.texi: Change file name used when makeinfo used without -o
9752 from ir.info to c-tree.info. Add info directory entry.
9753 * cppinternals.texi: Add info directory entry.
9754 * .cvsignore: Update.
9756 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9758 * c-typeck.c (store_init_value): Don't require constant initializer
9759 elements with -pedantic -std=c99.
9760 (digest_init): Change error about non-constant initializer elements
9762 (constructor_range_end): Remove.
9763 (constructor_incremental, designator_depth,
9764 designator_errorneous): New variables.
9765 (struct constructor_stack): Remove range_end, add incremental.
9766 (struct constructor_range_stack, constructor_range_stack): New.
9767 (struct initializer_stack): Add constructor_range_stack.
9768 (finish_init): Set it.
9769 (start_init): Likewise. require_constant_elements for non-static
9770 trees only if not flag_isoc99.
9771 (really_start_incremental_init): Remove constructor_range_end, add
9772 constructor_incremental.
9773 (pop_init_level): Likewise.
9774 (push_init_level): Likewise. If implicit and the subobject had some
9775 value set already, preinitialize the level with it.
9776 Warn about missing braces only if not pushing due to designators.
9777 (set_designator, push_range_stack): New functions.
9778 (set_init_label): Use them.
9779 (set_init_index): Likewise. Remove constructor_range_end.
9780 Error if designator index is outside of array bounds.
9781 (add_pending_init): Compare values of purpose index trees, not the
9782 trees themselves. Allow overwriting of already initialized element.
9783 Issue a warning if it had side-effects.
9784 (set_nonincremental_init, set_nonincremental_init_from_string): New
9786 (pending_init_member): Rename to...
9787 (find_init_member): ...this function. Call set_nonincremental_init
9788 if necessary. Compare values of purpose index trees, not the trees
9789 themselves. Return the actual value, not just non-zero if something
9791 (output_init_element): Remove checks for duplicates.
9792 If field has zero size, only check the initializer for correctness.
9793 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9794 if constructor_incremental is zero. Change error about initializers
9795 not computable at load time into pedwarn.
9796 (output_pending_init_elements): Compare bit positions, not
9797 FIELD_DECLs to take into account zero-sized fields.
9798 (process_init_element): Use constructor_range_stack to fill all
9799 ranges in the designator lists from current level up.
9800 * extend.texi: Update documentation for labeled elements.
9802 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9804 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9805 to function usage for arguments passed by reference. Optimize
9806 callee-copied arguments.
9807 * regmove.c (replace_in_call_usage): New function.
9808 (fixup_match_1): Call it.
9809 * cse.c (cse_insn): Canonicalize registers in function usage.
9810 * reload1.c (replace_pseudos_in_call_usage): New function.
9813 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9816 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9818 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9821 2001-01-12 DJ Delorie <dj@redhat.com>
9823 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9824 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9827 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9829 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9830 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9831 -std options alongside references to -ansi. Update some
9832 documentation for C99.
9833 * cpp.1: Regenerate.
9835 2001-01-12 Andreas Jaeger <aj@suse.de>
9837 * haifa-sched.c (restore_line_notes): Remove argument block B
9839 * sched-ebb.c (schedule_ebb): Change caller.
9840 * sched-rgn.c (schedule_region): Likewise.
9841 * sched-int.h (restore_line_notes): Adjust prototype.
9843 * loop.h: Remove wrong declaration of doloop_condition_get.
9845 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9847 * extend.texi: Move C++-extension-related node from the C section
9848 into the C++ section.
9850 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9852 * extend.texi: Refer to an array of pointers to functions instead
9853 of one of functions.
9855 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
9856 Jan Hubicka <jh@suse.cz>
9858 * combine.c (reversed_comparison): Fix typo in last patch.
9860 (combine_reversed_comparison_code): Make static to follow
9861 prototype declaration.
9863 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9865 * install.texi: Remove misplaced duplicate entry.
9867 2001-01-11 Ulrich Drepper <drepper@redhat.com>
9869 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9871 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
9873 * final.c: (leaf_function_p): Fix typo.
9875 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
9877 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
9878 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
9880 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
9881 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
9882 mmap_anon, and valloc is available.
9883 * ggc-page.c: Restructure ifdef logic to match new autoconf
9884 spec. Don't throw away the test page in init_ggc.
9886 * configure, config.in: Regenerate.
9888 2001-01-12 Michael Hayes <mhayes@redhat.com>
9890 * loop.h (total_biv_increment): Constify iv_class pointer.
9891 (struct induction): Replace `mem_mode' with `mem' rtx.
9892 * unroll.c (total_biv_increment): Constify iv_class pointer.
9893 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
9894 (find_mem_givs, combine_givs_p): Likewise.
9895 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
9897 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
9899 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
9901 (__gthread_getspecific): Ditto.
9903 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
9905 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
9906 put_condition_code): Convert fp comparison codes to integer
9908 (ix86_expand_fp_compare): Postnote the fp comparison code converison
9911 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9912 * i386-protos.h (no_comparison_operator): Kill.
9914 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9916 * combine.c (REVERSIBLE_CC_MODE): Remove.
9917 (reversible_comparison_p): Remove.
9918 (combine_reversed_comparison_code): New.
9919 (reversed_comparison): New.
9920 (combine_simplify_rtx): Use
9921 combine_reversed_comparison_code/reversed_comparison instead
9922 of reversible_comparison_p.
9923 (simplify_if_then_else): Likewise.
9924 (simplify_set): Likewise.
9925 (simplify_logical): Likewise.
9926 (if_then_else_cond): Likewise.
9927 (known_cond): Likewise.
9928 (simplify_comparison): Likewise.
9930 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9932 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9933 sizeof (int) is larger than sizeof(__word__).
9935 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9937 * cppinit.c (do_includes): Fix typo.
9939 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9941 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9942 in S_REGS does not occur because not all sources are possible
9943 when a S_REGS is a destination (sometimes needs a clobber).
9944 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9945 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9946 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9947 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9948 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9949 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9950 (lshrdi_const1, lshrsi3_const16): Likewise.
9951 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9952 (*movhi_68hc12, *movqi_68hc12): Likewise.
9953 (movstrictqi): Make sure reloading in D_REGS as a destination
9956 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9958 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9960 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9962 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9963 -D, -U and -A, and don't initialize the builtins.
9964 (do_includes): Error if -include or -imacros with -fpreprocessed.
9965 * cppmain.c (cb_define, cb_undef): Unconditionally process
9967 * tradcpp.c (main): Fix typo.
9969 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
9971 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9972 (read_name_map): Use IS_ABSOLUTE_PATH.
9973 * tradcpp.c (get_filename): Likewise.
9975 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9977 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9978 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9979 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9980 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9981 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9982 (cmphi_z_used): Don't use '@' for the output.
9983 (tstqi_z_used): Likewise.
9984 (cmpqi_z_used): Likewise.
9985 (one_cmplsi2): Likewise.
9987 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9989 * config/sh/sh.c (barrier_align): Recognize branch around far
9990 branch and redundant insn.
9992 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9994 * invoke.texi: Restore documentation of the drivers' switches -MD
9997 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9999 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
10001 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
10002 check-objc//%): Support parallel testing of multilibs.
10003 (TESTSUITEDIR): Set to testsuite by default, but override for
10005 (check-gcc, check-g++, check-g77, check-objc): Enter
10008 2001-01-11 Bernd Schmidt <bernds@redhat.com>
10010 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
10011 * sched-deps.c (deps_may_trap_p): Likewise.
10012 * basic-block.h: Remove a comment.
10013 * flow.c (PROP_POSTRELOAD): Remove.
10014 (update_life_info): Don't add it to prop_flags.
10015 (mark_set_1): Lose the code that was enabled by it.
10017 2001-01-11 Michael Hayes <mhayes@redhat.com>
10019 * flow.c (flow_call_edges_add): New.
10020 * basic_block.h (flow_call_edges_add): New.
10022 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
10024 * reload1.c (move2add_note_store): Update reg_set_luid even if
10025 base reg remains the same.
10027 2001-01-10 Nick Clifton <nickc@redhat.com>
10029 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
10030 machine_function structure to zero.
10031 Add prototypes for machine_status functions.
10033 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10035 * c-common.h (CTI_VOID_LIST): Remove.
10036 (void_list_node): Likewise.
10037 * tree.h (TI_VOID_LIST_NODE): New enumeral.
10038 (void_list_node): New macro.
10039 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
10040 * config/i386/i386.c (ix86_init_builtins): Likewise.
10041 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
10043 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10045 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
10046 * cppinit.c (cpp_start_read): Update comment, remove unneeded
10048 * tradcpp.c: Include mkdeps.h.
10049 (deps, print_deps_phony_targets, deps_append, output_deps,
10050 init_dependency_output, output_deps): New.
10051 (deps_buffer, deps_allocated_size, deps_size, deps_column,
10052 deps_output): Delete.
10053 (print_deps_missing_files): Rename deps_missing_files.
10054 (inhibit_output): Make global.
10055 (main): Delete inhibit_output, deps_stream, deps_target.
10056 Use mkdeps functionality in the same way as cpplib. Remove
10057 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
10058 -M and -MM. Remove old handling of deps via deps_out, and
10059 old reading of environment variables.
10060 (get_filename): Update to use deps_add_dep.
10062 2001-01-10 Mark Mitchell <mark@codesourcery.com>
10064 * output.h (make_function_rtl): Remove prototype.
10065 (make_decl_rtl): Likewise.
10066 * varasm.c (make_function_rtl): Remove.
10067 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
10068 than from a third parameter.
10069 * tree.h (make_decl_rtl): Remove last parameter.
10070 * c-decl.c (builtin_function): Remove last argument in call to
10071 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
10072 (start_function): Likewise.
10073 * except.c (call_get_eh_context): Likewise.
10074 * expr.c (emit_block_move): Likewise.
10075 (clear_storage): Likewise.
10076 * profile.c (output_func_start_profiler): Likewise.
10077 * toplev.c (rest_of_decl_compilation): Likewise.
10078 * objc/objc-act.c (create_builtin_decl): Likewise.
10079 (synth_module_prologue): Likewise.
10080 (generate_static_reference): Likewise.
10081 (build_selector_reference_decl): Likewise.
10082 (build_class_reference_decl): Likewise.
10083 (build_objc_string_decl): Likewise.
10084 (build_protocol_reference): Likewise.
10086 2001-01-10 Richard Henderson <rth@redhat.com>
10088 * hwint.h: Revert yesterday's change.
10090 2001-01-10 Nick Clifton <nickc@redhat.com>
10092 * function.h (save_machine_status): Delete.
10093 (restore_machine_status): Delete.
10094 Amend comment describing {init|mark|free}_machine_status.
10096 * function.c (save_machine_status): Delete.
10097 (restore_machine_status): Delete.
10098 Amend comment describing {init|mark|free}_machine_status.
10099 (push_function_context_to): Remove invocation of
10100 save_machine_status.
10101 (pop_function_context_from): Remove invocation of
10102 restore_machine_status.
10104 * emit-rtl.c (init_emit_once): Amend comment describing
10105 {init|mark|free}_machine_status.
10107 * tm.texi (Per-Function Data): New node. Describe the
10108 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
10111 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10113 * cppinit.c (OPT_g): Remove.
10114 (cpp_handle_option): Update for removed -g3.
10115 (print_help): Update.
10116 * cpplib.h (struct cpp_options): Remove debug_output.
10117 * cppmain.c (setup_callbacks, cb_define): Update.
10118 * gcc.c (cpp_options): Translate -g3 to -dD.
10120 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
10122 * config/i960/i960.md: Change modifier to + on the zero_extract
10123 pattern after the (rotate -2 reg) canonicalization pattern.
10125 2001-01-10 Richard Henderson <rth@redhat.com>
10127 * config/alpha/alpha.c (alpha_free_machine_status): New.
10128 (override_options): Install it.
10129 (alpha_mark_machine_status): Verify machine non-null.
10130 * config/i386/i386.c (ix86_free_machine_status): New.
10131 (override_options): Install it.
10132 (ix86_init_machine_status): Use xcalloc.
10133 (ix86_mark_machine_status): Verify machine non-null.
10134 * config/ia64/ia64.c (ia64_free_machine_status): New.
10135 (ia64_override_options): Install it.
10136 (ia64_mark_machine_status): Verify machine non-null.
10138 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
10140 * function.c (instantiate_virtual_regs): Instantiate virtual
10141 registers found in CALL_INSN_FUNCTION_USAGE.
10143 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10145 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
10146 equivalent to -ansi in disabling -Di386.
10148 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
10150 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
10152 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
10154 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
10156 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
10158 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10160 * invoke.texi: Document that -fcond-mismatch isn't supported for
10163 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
10165 * gcc.texi: Define macro gcctabopt.
10166 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
10167 @command, @env and @option in some places where appropriate. Use
10168 @gcctabopt where appropriate. Put URLs and email addresses inside
10171 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
10173 * gcc.c (cpp_options): Set MD file name from output
10174 filename, if specified.
10175 (suffix_subst): New static variable.
10176 (do_spec): Clear it.
10177 (do_spec_1, case '.'): Handle new `%.suffix' spec.
10179 (give_switch): Handle suffix_subst.
10181 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10183 * invoke.texi: Fix another typo.
10185 2001-01-10 Phil Edwards <pme@sources.redhat.com>
10187 * invoke.texi: Fix typo.
10189 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
10191 * c-lang.c (lang_hooks): Update.
10192 (lang_decode_option): Remove.
10193 (lang_init_options): Rename c_init_options.
10194 * toplev.c (main): Use lang_hooks for lang_init_options
10195 and lang_decode_option.
10196 * toplev.h (lang_hooks): Add 2 new hooks.
10197 * tree.h: Remove lang_init_options and lang_decode_option.
10198 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
10199 * cp/decl2.c: Similarly.
10200 * cp/lex.c (lang_init_options): Rename cxx_init_options.
10201 (lang_hooks): Update.
10202 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
10204 (lang_init_options): Rename ffe_init_options.
10205 (lang_hooks): Update.
10206 (lang_decode_option): Remove.
10207 * java/lang.c (lang_init_options): Rename java_init_options.
10208 (lang_decode_option): Rename java_decode_option.
10209 (lang_hooks): Update.
10210 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
10211 (lang_decode_option): Rename objc_decode_option.
10212 (lang_hooks): Update.
10214 2001-01-09 Nick Clifton <nickc@redhat.com>
10216 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
10217 (d30v_return_addr_rtx): Delete.
10218 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
10219 cfun->machine structure.
10220 (struct machine_function): Move to d30v.h
10221 (d30v_save_machine_status): Delete.
10222 (d30v_restore_machine_status): Delete.
10223 (d30v_init_machine_status): New Function.
10224 (d30v_mark_machine_status): New Function.
10225 (d30v_free_machine_status): New Function.
10226 (d30v_init_expanders): Use new functions.
10227 (d30v_return_addr): Use ra_rtx field in cfun->machine.
10228 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
10229 d30v_return_addr_rtx.
10231 * config/d30v/d30v.h (struct_machine): Move here.
10232 Add eh_epilogue_sp_ofs field.
10234 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
10235 field in cfun->machine structure.
10237 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
10239 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
10240 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
10241 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
10243 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
10245 * objc/lang-options.h: Remove bogus reference to
10248 2001-01-09 Kazu Hirata <kazu@hxi.com>
10250 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
10253 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
10255 * reload.c (find_reloads_address): Check for eliminable registers
10256 when substituting a constant expression for a pseudo.
10258 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
10260 * c-common.c (enum format_type): Add format_type_error.
10261 (decode_format_type): New function.
10262 (decl_attributes): Use it.
10263 (format_kind_info): Adjust comment.
10265 2001-01-09 David O'Brien <obrien@BSDi.com>
10267 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
10268 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
10270 * config/i386/gnu.h: Don't include required platform specific .h files,
10271 tm.h will do it instead.
10272 * config/i386/i386elf.h: Likewise.
10273 * config/i386/linux.h: Likewise.
10274 * config/i386/moss.h: Likewise.
10275 * config/mips/gnu.h: Likewise.
10277 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10279 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
10280 (rs6000-ibm-aix3.[01]*): Likewise.
10281 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
10282 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
10283 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
10284 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
10285 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
10286 (powerpc-*-eabiaix*): Likewise.
10287 (powerpc-*-eabisim*): Likewise.
10288 (powerpc-*-elf*): Likewise.
10289 (powerpc-*-eabi*): Likewise.
10290 (powerpc-*-rtems*): Likewise.
10291 (powerpc-*-linux*libc1): Likewise.
10292 (powerpc-*-linux*): Likewise.
10293 (powerpc-wrs-vxworks*): Likewise.
10294 (powerpcle-wrs-vxworks*): Likewise.
10295 (powerpcle-*-sysv*): Likewise.
10296 (powerpcle-*-elf*): Likewise.
10297 (powerpcle-*-eabisim*): Likewise.
10298 (powerpcle-*-eabi*): Likewise.
10299 (powerpcle-*-solaris2*): Likewise.
10300 * config/rs6000/aix31.h: Delete includes.
10301 * config/rs6000/aix3newas.h: Likewise.
10302 * config/rs6000/aix41.h: Likewise.
10303 * config/rs6000/aix43.h: Likewise.
10304 * config/rs6000/beos.h: Likewise.
10305 * config/rs6000/rtems.h: Likewise.
10306 * config/rs6000/sysv4.h: Likewise.
10308 2001-01-09 Kazu Hirata <kazu@hxi.com>
10310 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
10311 Change an argument mode of machine_mode to shift_mode of
10312 shift_mode. Remove an extra error check.
10313 (emit_a_shift): Adopt to the new calling prototype of
10315 (function_prologue): Fix code for a monitor
10316 function. Support H8/S.
10317 (function_epilogue): Do not output pop for a monitor function.
10319 2001-01-09 Nick Clifton <nickc@redhat.com>
10321 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
10322 (setup_incoming_varargs): Use sysv_varargs_p field of the
10323 cfun->machine structure.
10324 (struct machine_function): Move to rs6000.h
10325 (rs6000_save_machine_status): Delete.
10326 (rs6000_restore_machine_status): Delete.
10327 (rs6000_init_machine_status): New Function.
10328 (rs6000_free_machine_status): New Function.
10329 (rs6000_init_expanders): Use new functions.
10331 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
10333 (struct machine_function): Move here.
10335 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
10336 sysv_varargs_p field of the cfun->machine structure.
10338 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
10340 (rs6000_restore_machine_status): Remove prototype.
10342 2001-01-09 Richard Henderson <rth@redhat.com>
10344 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
10345 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
10346 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
10347 (sched_analyze_2, sched_analyze_insn): Likewise.
10348 (sched_analyze, init_deps): Likewise.
10349 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
10350 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
10351 (compute_block_backward_dependences): Update propagate_deps call.
10353 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
10355 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
10357 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10359 * cppinit.c (OPT_MD, OPT_MMD): Restore.
10360 (cpp_handle_option): Handle them.
10361 (cpp_post_options): Ensure one of -M or -MM is specified with
10362 any other -M? option.
10363 (init_dependency_output): Suppress output with -MG.
10365 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10367 * cpp.texi: Update.
10368 * invoke.texi: Update.
10370 2001-01-09 Bernd Schmidt <bernds@redhat.com>
10372 * sh.md (reload_outsf): Generate recognizable patterns for
10375 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
10377 * c-lang.c (lang_hooks): Update.
10378 (lang_init): Rename c_init.
10379 (lang_finish): Remove.
10380 * toplev.c (compile_file): Use lang_hooks for lang_init ()
10381 and lang_finish ().
10382 * toplev.h (lang_hooks): Add init () and finish ().
10383 * tree.h (lang_init, lang_finish): Remove.
10384 * cp/tree.h (lang_init, lang_finish): Remove.
10385 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
10386 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
10388 (lang_init, lang_finish): Remove.
10389 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
10390 (lang_hooks): Update.
10391 * java/lang.c (lang_init): Rename java_init.
10392 (lang_finish): Remove.
10393 (lang_hooks): Update.
10394 * objc/objc-act.c (lang_init): Rename objc_init.
10395 (lang_finish): Remove.
10396 (lang_hoooks): Update.
10398 20001-01-09 Graham Stott <grahams@redhat.com>
10400 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
10401 after `ptr` is initialised.
10403 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10405 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
10406 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
10407 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
10408 stack adjusts, instead of r3.
10410 2001-01-09 Michael Hayes <mhayes@redhat.com>
10412 * flow.c (flow_loop_scan): Break out of ...
10413 (flow_loops_find) ... here.
10414 * basic-block.h (flow_loop_scan): New.
10415 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
10416 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
10418 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
10420 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
10422 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
10423 realloc()ing macro_buffer.
10425 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
10426 if it's wider than long and the target's long is wider than the
10429 2001-01-09 Mark Mitchell <mark@codesourcery.com>
10431 Remove support for using UWIN as a host machine.
10432 * configure.in: Issue an error message.
10433 * configure: Regenerated.
10434 * config.gcc: Remove xm_* UWIN configury.
10435 * config/i386/xm-uwin.h: Remove.
10437 2001-01-08 Nick Clifton <nickc@redhat.com>
10439 * config/v850/v850.c (ra_rtx): Delete.
10440 (v850_save_machine_status): Delete.
10441 (v850_restore_machine_status): Delete.
10442 (v850_init_machine_status): New function.
10443 (v850_mark_machine_status): New function.
10444 (v850_free_machine_status): New function.
10445 (v850_return_addr): Use ra_rtx field in machine structure.
10446 (v850_init_expanders): Use new functions.
10448 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10449 * config/v850/v850.c: Change arguments to v850_output+* functions
10450 to take a const char *, to avoid compile time warning.
10451 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10452 (USER_LABEL_PREFIX): Redefine.
10454 2000-01-08 Jim Wilson <wilson@redhat.com>
10456 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10457 1 to unsigned HOST_WIDE_INT before left shift.
10459 2001-01-08 Nick Clifton <nickc@redhat.com>
10461 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10462 the machine structure has been allocated.
10463 (arm_free_machine_status): New function: Free the machine
10464 specific function structure.
10466 2001-01-08 Richard Henderson <rth@redhat.com>
10468 * jump.c (simplejump_p): Revert last change.
10470 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10472 * cppinit.c (init): Rename init_library.
10473 (cpp_create_reader): Update.
10474 * gcc.c (cpp_options): If -o given, use it as the target of
10477 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10479 * arm.c (arm_arch5e): New variable.
10480 (all_cores): XScale is a 5TE device.
10481 (arm_override_options): Set arm_arch5e.
10482 (arm_init_builtins): __builtin_prefetch is in arch5e.
10483 * arm.h (arm_arch5e): Declare it.
10485 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10487 * arm.md (define_constants): Add defines for UNSPEC and
10488 UNSPEC_VOLATILE insns. Update all users.
10489 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10490 * arm.c (multi_register_push, note_invalid_constants)
10491 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10492 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10493 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10495 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10497 * jump.c (jump_optimize_1): Use reversed_comparison_code
10498 instead of can_reverse_comparison_p.
10499 (jump_back_p): Likewise.
10500 (invert_exp_1): Likewise.
10501 (thread_jumps): Likewise.
10502 * simplify-rtx.c (simplify_unary_operation): Likewise.
10503 (simplify_ternary_operation): Likewise.
10504 * cse.c (find_comparison_args): Convert to use
10505 can_reverse_comparison_p.
10506 (record_jump_equiv): Likewise.
10508 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10510 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10511 (EPILOGUE_USES): Define.
10512 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10513 automatically stack the LR if it isn't live.
10515 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10517 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10520 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10522 * ggc-page.c (max_alignment): New structure.
10523 (MAX_ALIGNMENT): New macro.
10524 (init_ggc): Use it to round up the sizes in the
10525 extra_order_size_table.
10527 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10529 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10532 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10534 * builtins.def (BUILT_IN_FPRINTF): New entry.
10536 * c-common.c (c_expand_builtin_fprintf): New function.
10537 (init_function_format_info): Handle __builtin_fprintf.
10538 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10539 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10541 * c-decl.c (duplicate_decls): Adjust comment.
10543 * extend.texi (fprintf): Document new builtin.
10545 2001-01-07 Richard Henderson <rth@redhat.com>
10547 * jump.c (simplejump_p): Recognize any single_set jump
10548 of the proper form.
10550 2001-01-07 Richard Henderson <rth@redhat.com>
10552 * configure.in (slibdir): Accept an --with-slibdir option.
10553 Use "test" not "[" in configure. Default to $(libdir).
10555 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10557 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10558 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10559 (SHLIB_LINK): Create links for the soname.
10560 * config/mips/t-iris6: Likewise.
10561 * config/sparc/t-slibgcc: Likewise.
10562 * config/sparc/t-slibgcc-sld: Likewise.
10564 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10566 * config/i386/i386.c (constant_call_address_operand): Accept
10567 (const (plus (symbol_ref) (const_int))).
10568 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10569 constant_call_address_operand.
10571 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10573 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10574 and LONG_LONG_TYPE_SIZE > 32.
10576 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10578 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10579 the previous change.
10581 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10583 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10585 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10586 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10587 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10590 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10592 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10594 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10596 * c-lang.c (c_post_options): Call cpp_post_options.
10597 * objc/objc-act.c (objc_post_options): Similarly.
10598 * cppmain.c (main): Similarly.
10599 * fix-header.c (read_scan_file): Similarly.
10600 * cppinit.c (cpp_start_read): Move option consistency checks
10601 to cpp_post_options. Don't call init_dependency_output.
10602 If needed, add default target and main file dependency.
10603 (OPT_MD, OPT_MMD): Remove.
10605 (cpp_handle_option): Update for OPT_* changes.
10606 (cpp_post_options): New.
10607 (init_dependency_output): Command line -MF overrides environment
10608 variables. Don't set default target etc. Suppress output
10609 if dependencies are going to stdout.
10610 (print_help): Update.
10611 * cpplib.h (cpp_post_options): New.
10612 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10614 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10616 * jump.c (comparison_dominates_p): Support unordered compares.
10618 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10620 * simplify-rtx.c (simplify_relational_operation): Always simplify
10621 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10624 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10626 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10627 (nonzero_bits): Likewise.
10628 (simplify_comparison): Likewise.
10629 (num_sign_bit_copies): Likewise; return more sane value depending
10630 on STORE_FLAG_VALUE.
10631 (known_cond): Do not assume EQ to be always true for equivalent
10634 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10636 * cse.c (fold_rtx): Handle unordered comparisons.
10638 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10640 * rtlanal.c (set_of_1): New static function.
10641 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10642 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10643 reg_set_last_last_regno): Remove.
10644 (set_of): New global function.
10645 (set_of_data): New structure.
10646 (reg_set_p, reg_set_last): Revamp for set_of.
10647 * rtl.h (set_of): New.
10649 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10651 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10652 * extend.texi: Document _Exit builtin.
10654 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10656 * (initialize, initialize_builtins,
10657 initialize_dependency_output, initialize_standard_includes):
10658 Rename s/initialize/init. Update.
10659 (init_dependency_output): Move to after
10660 cpp_handle_options, the correct location temporally at least.
10661 (opt_comp): Move next to init (), its caller. Fix prototype.
10662 (init): Make "initialized" local scope.
10663 (cpp_create_reader): Always call init ().
10664 (cpp_start_read): Update.
10665 (output_deps): New function, broken out of cpp_finish.
10666 (cpp_finish): Break out output_deps.
10668 2001-01-07 Richard Henderson <rth@redhat.com>
10670 * collect2.c (COFF specific stuff): Revert 12-06 patch
10671 to prototype system functions.
10673 2001-01-07 Michael Hayes <mhayes@redhat.com>
10675 * hard-reg-set.h: Add multiple include guard.
10676 * basic-block.h (struct loop): Add `sink' field.
10677 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10678 (emit_iv_add_mult): Delete.
10679 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10680 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10681 (unroll_loop): Remove end_insert_before argument.
10682 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10683 (maybe_eliminate_biv_1): Likewise.
10684 (emit_iv_add_mult): Delete.
10685 (gen_add_mult, loop_regs_update): New.
10686 (loop_insn_emit_after, loop_insn_emit_before): New.
10687 (loop_insn_sink, loop_insn_sink_or_swim): New.
10688 (emit_iv_add_mult): Delete.
10689 (scan_loop): Set loop->sink.
10690 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10691 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10692 (maybe_eliminate_biv_1): Likewise.
10693 (maybe_eliminate_biv_1): Add basic block argument.
10694 * unroll.c (unroll_loop): Remove end_insert_before argument.
10695 (find_splittable_regs): Likewise.
10696 (find_splittable_regs): Use loop_insn_sink and its ilk.
10697 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10699 2001-01-07 Michael Hayes <mhayes@redhat.com>
10701 * loop.h (loop_insn_hoist): New prototype.
10702 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10703 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10704 (check_dbra_loop, load_mems): Likewise.
10705 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10706 (find_splittable_givs): Likewise.
10708 2001-01-07 Michael Hayes <mhayes@redhat.com>
10710 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10712 2001-01-07 Richard Henderson <rth@redhat.com>
10714 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10716 2001-01-07 Richard Henderson <rth@redhat.com>
10718 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10719 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10720 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10721 variant that handles a shared libgcc.
10722 (process_command): Always validate -{static,shared}-libgcc.
10723 (do_spec_1): New 'M' case.
10724 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10726 2001-01-07 Richard Henderson <rth@redhat.com>
10728 * Makefile.in (slibdir): New variable.
10729 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10730 (installdirs): Create slibdir.
10731 (install-libgcc, install-multilib): Defer to libgcc.mk.
10732 * configure.in (slibdir): Substitute.
10733 * mklibgcc.in (install): New target.
10735 * config/t-linux (SHLIB_LINK): Create links for the soname.
10736 (SHLIB_INSTALL): New.
10737 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10738 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10739 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10740 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10741 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10743 2001-01-07 Richard Henderson <rth@redhat.com>
10745 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10746 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10747 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10749 2001-01-07 Michael Hayes <mhayes@redhat.com>
10751 * loop.c (count_loop_regs_set): Delete.
10752 (load_mems_and_recount_loop_regs_set): Delete.
10753 (loop_regs_scan): Merge common code from count_loop_regs_set,
10754 scan_loop, and load_mems_and_recount_loop_regs_set.
10755 (scan_loop): Call load_mems directly and loop_regs_scan
10756 again if new registers created.
10758 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10760 * toplev.c (main): Call the front-end specific post_options
10761 hook if one is given.
10762 * toplev.h (struct_lang_hooks, lang_hooks): New.
10763 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10764 for the C front end.
10765 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10766 lang_hooks for the C++ front end.
10767 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10768 lang_hooks for the ObjC front end.
10769 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10770 * java/lang.c (lang_hooks): Hooks for the Java front end.
10772 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10774 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10775 for verbose DWARF[2] debugging.
10776 (cb_define, cb_undef): The new callbacks.
10777 * toplev.h (debug_define, debug_undef): Make const correct.
10778 * toplev.c (debug_define, debug_undef): Similarly. Do not
10779 perform the verbosity tests here anymore.
10781 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10783 * reload.c (subst_reloads): Take INSN argument. When
10784 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10785 * reload.h (subst_reloads): Adjust prototype.
10786 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10787 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10788 present in JUMP_INSNs and copy them to JUMP_LABEL.
10789 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10790 JUMP_INSNs and insns with REG_LABELs that are followed by
10791 JUMP_INSNs with the same REG_LABEL.
10792 * sched-rgn.c (is_cfg_nonregular): Likewise.
10793 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10795 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10797 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10799 2001-01-06 Richard Henderson <rth@redhat.com>
10801 * loop.c (scan_loop): Use xcalloc for the regs array.
10802 (load_mems_and_recount_loop_regs_set): Zero the new memory
10803 received from xrealloc.
10805 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10807 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10809 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10811 * integrate.c (copy_rtx_and_substitute): When copying
10812 an ignored return value, strip REG_FUNCTION_VALUE_P.
10814 2001-01-06 Michael Hayes <mhayes@redhat.com>
10816 * loop.c (debug_biv, debug_giv): New.
10817 (loop_biv_dump): Break out from ...
10818 (record_biv): ... here.
10819 (loop_giv_dump): Break out from ...
10820 (record_giv): ... here.
10821 (loop_bivs_check): Use print_simple_rtl.
10822 * unroll.c (loop_iterations): Use print_simple_rtl.
10824 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10826 * pa.md (return, return_internal): Modify patterns to prevent regrename
10827 mucking with the return pointer.
10829 2001-01-05 Richard Henderson <rth@redhat.com>
10831 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10833 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10835 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10836 version supplied by Matteo Frigo.
10838 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10840 * cpp.texi: Update for -MQ.
10841 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10842 (cpp_cleanup): Always free pfile->deps.
10843 (initialize_dependency_output): Don't create pfile->deps.
10844 (cpp_handle_option): Similarly.
10846 * gcc.c (cpp_options): Handle -MQ.
10847 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10848 * mkdeps.c (base_name): Remove.
10849 (deps_init): Don't allocate vector space until it's needed.
10850 (deps_free): Only free vectors if allocated.
10851 (deps_add_target, deps_add_dep): Update for initial allocation.
10852 (deps_add_default_target): Don't strip to the base_name.
10854 2001-01-05 DJ Delorie <dj@redhat.com>
10856 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
10857 (INIT_EXPANDERS): Define.
10859 * config/v850/v850.c (struct machine_function): Define.
10860 (v850_save_machine_status): New function.
10861 (v850_restore_machine_status): New function.
10862 (v850_return_addr): New function.
10863 (v850_init_expanders): New function.
10865 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
10866 and v850_init_expanders.
10868 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10870 * cpplib.h (struct cpp_reader): Add help_only field.
10871 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
10872 (cpp_handle_option): Set pfile->help_only if we see -h,
10873 --help, -target-help, or --version. Print version string but
10874 do not set help_only if we see -v or -version. Make text
10875 printed by -v match that printed by (-)-version.
10877 * cppmain.c (main): Exit after option parsing if
10878 pfile->help_only is true.
10880 * toplev.c (independent_decode_option): Call print_version,
10881 then exit, if we see --version (but not -version).
10882 (print_version): Split lengthy message into two lines.
10884 2001-01-05 Nick Clifton <nickc@redhat.com>
10886 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
10887 temporary string for initialisation before calling ggc_alloc_string.
10889 2001-01-06 Michael Hayes <mhayes@redhat.com>
10891 * rtl.h (print_simple_rtl): New.
10892 * print-rtl.c (print_simple_rtl): New.
10893 (flag_simple): New.
10894 (print_rtx): Disable printing of flags and modes, etc.,
10895 if `flag_simple` nonzero.
10897 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10899 * function.c (fixup_var_refs): Use push_to_full_sequence where
10902 2001-01-05 Michael Meissner <meissner@redhat.com>
10904 * flags.h (flag_reorder_blocks): Add declaration.
10905 (flag_rename_block): Ditto.
10907 2001-01-05 DJ Delorie <dj@redhat.com>
10909 * function.c (reorder_blocks): Make sure the flags are all reset
10910 before using them to mark blocks, else a second invocation will
10911 corrupt the block chain.
10912 (reorder_blocks_0): New, resets the flags.
10914 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10916 * cse.c (find_comparison_args): Stop if the argument is known to
10919 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10921 * config/sh/sh.md (movdf): When splitting load into pair of
10922 registers, don't clobber the register used in the address too
10925 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10927 * varasm.c (mark_constant_pool): Improve initial comments.
10928 (mark_constants): Move marking of constants to mark_constant.
10929 (mark_constant): New function to recursively mark all constants
10930 referred to by a constant.
10932 2001-01-05 Catherine Moore <clm@redhat.com>
10934 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10936 2001-01-05 Phil Edwards <pme@sources.redhat.com>
10938 * cp/lang-options.h: Bring comment in line with reality.
10939 * f/lang-options.h: Likewise.
10940 * java/lang-options.h: Likewise.
10941 * objc/lang-options.h: Likewise.
10942 * ch/lang-options.h: Likewise.
10943 * f/g77.texi: And update the manual.
10945 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10946 Denis Chertykov <denisc@overta.ru>
10948 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10949 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10950 * config/avr/avr.md (all peepholes that request a scratch register):
10951 Call it, FAIL the peephole if not safe (in interrupt functions).
10953 2001-01-05 Mark Mitchell <mark@codesourcery.com>
10955 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10957 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10959 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10961 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10962 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10963 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10964 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10965 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10967 * extend.texi: Document these builtins.
10969 2001-01-05 Daniel Berlin <dberlin@redhat.com>
10971 * c-common.c (lang_get_alias_set): Say we know nothing of
10972 VECTOR_TYPE aliasing.
10974 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10976 2001-01-05 Bruce Korb <bkorb@gnu.org>
10978 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10979 their x* equivalent versions for atexit-less systems
10980 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10981 systems (or any other system any more).
10983 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10985 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10986 output operands. Use arm_hard_register_operand for operand 4.
10987 (stmsi_postinc): Similarly.
10988 (ldmsi): Use arm_hard_register_operand for opernand 2.
10989 (stmsi): Similarly.
10990 * arm.c (arm_hard_register_operand): New function.
10991 * arm-protos.h (arm_hard_register_operand): Prototype it.
10993 * arm.h (HARD_REGNO_RENAME_OK): Define.
10995 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10997 * simplify-rtx.c (cfc_args): add "unordered" field.
10998 (check_fold_consts): Set unordered field.
10999 (simplify_relational_operation): Simplify the unordered
11002 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
11005 * emit-rtl.c (try_split): Fix code to mark labels.
11006 * jump.c (mark_jump_label): Make global.
11007 * rtl.h (mark_jump_label): Declare.
11009 * predict.c (estimate_probability): Handle unordred comparisons.
11011 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
11013 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
11014 * cppinit.c (initialize_dependency_output): Update.
11015 (cpp_finish): Output dummy targets for -MP.
11017 (cpp_handle_option): Handle -MP. Don't quote -MT options.
11018 * cpplib.h (struct cpp_options): Add deps_phony_targets.
11019 * gcc.c (cpp_options): Update to handle -MP.
11020 * mkdeps.c (deps_add_target, deps_add_default_target): Update
11021 to quote only the default target.
11022 (deps_phony_targets): Insert a preceding newline. Rename from
11023 deps_dummy_targets for consistency.
11026 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11028 * calls.c (emit_library_call_value_1): Support
11029 INIT_CUMULATIVE_LIBCALL_ARGS.
11030 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
11032 2001-01-04 Richard Henderson <rth@redhat.com>
11034 * c-decl.c (finish_struct): Detect flexible array members
11035 used in an inappropriate context.
11036 * c-typeck.c (really_start_incremental_init): Special case
11037 constructor_max_index for zero length arrays.
11038 (pop_init_level): Allow initialization of flexible array
11039 members. Deprecate initialization of zero length arrays.
11040 Don't issue missing initializer warning for flexible array
11041 members or zero length arrays.
11042 (process_init_element): Don't dereference null DECL_SIZE.
11043 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
11044 Don't abort for empty constructors. Use size_binop
11045 (output_constructor): Add commentary regarding zero length
11046 array futures. Abort if we try to initialize an array of
11047 unspecified length with a non-empty constructor in the middle
11050 * extend.texi (Zero Length): Update and clarify documentation
11051 on static initialization.
11053 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11055 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
11056 with more than 32767 words of local storage.
11058 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
11060 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
11061 for 'abs', 'labs', and 'fabs'.
11062 (c4x_expand_builtin): Likewise.
11063 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
11065 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
11067 * config/sh/sh.md (prget, prset): New insn types.
11068 (return delay slot): Dont' allow prset.
11069 (call, sfunc delay slot): Don't allow prget.
11070 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
11071 for prset and prget.
11073 2001-01-05 Michael Hayes <mhayes@redhat.com>
11075 * loop.h (struct loop_reg): New.
11076 (struct loop_regs): Change to use array of `struct loop_reg'.
11077 * loop.c: Replace assortment of varrays with single regs array.
11078 (count_one_set): Delete may_not_move array argument
11079 and use regs array instead. All caller's changed.
11080 (count_loop_regs_set): Delete may_not_move and single_usage
11081 arguments and use regs array instead. All caller's changed.
11082 (find_single_use_in_loop): Replace usage array argument with pointer
11083 to regs structure. All caller's changed.
11084 (loop_optimize): Delete `moved_once' array.
11086 2001-01-05 Michael Hayes <mhayes@redhat.com>
11088 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
11089 Use it instead of loop_info->has_call for scanning loop mems.
11090 (check_dbra_loop): Replace loop_info->has_call test with
11091 loop_info->has_nonconst_call.
11093 2000-01-04 Matthew Hiller <hiller@redhat.com>
11095 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
11098 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11100 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
11101 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
11103 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
11105 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
11106 (flag_short_double, flag_short_wchar): Define.
11107 (c_common_nodes_and_builtins): Create many tree nodes shared
11108 between C and C++ here instead of in cp/decl.c and ...
11109 * c-decl.c (init_decl_processing): ... here.
11110 (SIZE_TYPE, WCHAR_TYPE): Don't define.
11111 (flag_short_double, flag_short_wchar): Don't define.
11112 (record_builtin_type): New function.
11113 (build_void_list_node): New function.
11114 * c-common.h (flag_short_double, flag_short_wchar,
11115 record_builtin_type, build_void_list_node): Declare.
11117 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
11119 * integrate.c (expand_inline_function): Don't put a virtual
11120 register into the reg map.
11122 * function.c (fixup_var_refs_1): If force_operand didn't put
11123 the address into the target, move it there.
11125 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11127 Special-case tree_decl/tree_list allocations.
11128 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
11129 (OBJECT_SIZE): New macro.
11130 (NUM_EXTRA_ORDER): Likewise.
11131 (extra_order_size_table): New variable.
11132 (NUM_ORDERS): New macro.
11133 (objects_per_page_table): New variable.
11134 (object_size_table): New variable.
11135 (G.pages): Use NUM_ORDERS to bound the array.
11136 (G.page_tails): Likewise.
11137 (DIV_ROUND_UP): Remove.
11138 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
11139 (alloc_page): Use OBJECT_SIZE.
11140 (size_lookup): Don't make it const.
11141 (ggc_alloc): Use OBJECT_SIZE.
11142 (ggc_set_mark): Likewise.
11143 (ggc_get_size): Likewise.
11144 (init_ggc): Set up the object_size_table, objects_per_page_table,
11145 and adjust size_lookup.
11146 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
11147 (ggc_pop_context): Use NUM_ORDERS.
11148 (clear_marks): Likewise.
11149 (sweep_pages): Likewise.
11150 (poison_pages): Likewise.
11151 (ggc_print_statistics): Use OBJECT_SIZE.
11153 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11155 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
11156 Only call array_size_for_constructor if last field and array type
11157 with no upper bound.
11159 2001-01-04 Philip Blundell <philb@gnu.org>
11161 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
11162 from bit 31 downwards, if this requires no more insns.
11163 (count_insns_for_constant): New helper function for above.
11165 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
11167 * gencodes.c (output_predicate_decls): Remove empty initializer.
11169 2001-01-04 Mark Mitchell <mark@codesourcery.com>
11171 * tree.c (copy_node): Remove documentation about obstacks.
11172 (buidl1): Check that nobody tries to build 2-argument nodes this
11175 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11177 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
11180 * gencodes.c (output_predicate_decls): Fill empty initializer
11183 2001-01-04 Jakub Jelinek <jakub@redhat.com>
11185 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
11186 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
11188 (do_include): Handle missing headers like cpp0.
11189 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
11190 paths with first include pathname. Don't strcat to uninitialized
11193 2001-01-04 Bernd Schmidt <bernds@redhat.com>
11195 * regrename.c (regrename_optimize): Don't rename from frame pointer
11196 if frame_pointer_needed.
11197 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
11198 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
11199 (ia64_reorg): Use it instead of scheduling if ! optimize.
11200 (errata_emit_nops): Properly call asm_noperands.
11201 (ia64_sched_reorder): Finish cycle if we see an asm.
11202 (ia64_variable_issue): Clear scheduling state after asms.
11204 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
11206 * cpp.texi: Update for -MT.
11207 * cppinit.c (initialize_dependency_output): Add a default
11208 target if none has been given already.
11209 (no_tgt, OPT_MT): New.
11210 (cpp_handle_option): Handle -MT. Update -M etc.
11211 * cpplib.h (struct cpp_options): Remove deps_target.
11212 * gcc.c (cpp_options): Handle -MT.
11213 * mkdeps.c (struct deps): Move from mkdeps.h.
11214 (deps_calc_target): Rename deps_add_default_target. Add a
11215 default target if none has been specified already.
11216 * mkdeps.h (struct deps): Move to mkdeps.c.
11217 (deps_calc_target): Rename deps_add_default_target.
11219 2000-01-03 Richard Henderson <rth@redhat.com>
11221 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
11223 * c-typeck.c (push_init_level): Move checks for flexible array
11224 members and zero length arrays ...
11225 (pop_init_level): ... here. Silently discard empty initializations.
11227 * varasm.c (output_constructor): Update for sizeof change to
11228 zero-length arrays.
11230 * extend.texi (Zero Length): Clarify semantics.
11232 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11234 * configure.in (tm.h): Include isns-codes.h last.
11235 * configure: Rebuilt.
11237 2001-01-03 Richard Henderson <rth@redhat.com>
11239 * config/alpha/alpha.md (addvsi3, addvdi3): New.
11240 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
11242 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
11244 * tradcpp.c (main): Make sure finclude() is called with a valid
11245 indepth value while handling -include.
11247 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11249 * gencodes.c (output_predicate_decls): New function.
11251 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
11252 even if it is not the first time machmode.h is #included.
11253 * config/sh/sh.c (fpul_operand): Declare MODE argument.
11254 * tm.texi (PREDICATE_CODES): Document predicate declarations.
11255 * gcc.texi (Copyright): Added 2001.
11257 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11259 * c-common.c (c_common_lang_init): New function. Warn if format
11260 warning options which only have effects when used with -Wformat
11261 are used without -Wformat.
11262 * c-common.h (c_common_lang_init): Declare.
11263 * c-lang.c (lang_init): Call c_common_lang_init.
11264 * objc/objc-act.c (lang_init): Call c_common_lang_init.
11266 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11268 * configure.in: Check for the mktemp command.
11269 * configure: Regenerate.
11270 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
11271 $TEMP. Create temporary files with mktemp, if available at
11272 configure time; otherwise use set -C. Remove temporary files
11275 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
11277 * configure.in: Require at least texinfo 4.0. Check for whether
11278 Pod::Man is sufficiently recent to regenerate GCC manpages.
11279 * configure: Regenerate.
11280 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
11282 (GENERATED_MANPAGES): Define.
11283 (generated-manpages): New target. Depend on cpp.1 as well as
11285 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
11286 configure to generated-manpages or empty) rather than on the
11287 manpages directly. Remove execute permission from installed
11288 gcov.1 as well as cpp.1.
11289 * cpp.1, gcov.1: Regenerate.
11291 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11293 * builtins.c (expand_builtin_strncmp): Use host_integerp and
11294 tree_low_cst. Allow using cmpstrsi in more cases.
11296 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11298 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
11301 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
11303 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
11304 * Makefile.in (HOST_CFLAGS): Mention build-make.
11306 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11308 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
11311 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11313 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
11316 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
11319 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
11320 reg_base_value and reg_known_value arrays.
11321 (init_alias_analysis): Add more cases to detect known values.
11322 * sched-deps.c (deps_may_trap_p): New function.
11323 (sched_analyze_2): Use it.
11325 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
11327 * combine.c (simplify_shift_const): Even if we're sign-extracting,
11328 don't discard an ASHIFTRT if we're shifting in a wider mode.
11330 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
11332 * toplev.c (rest_of_compilation): Don't print basic block information
11333 when CFG isn't up to date.
11335 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
11337 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
11338 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
11339 (UNALIGNED_SHORT_ASM_OP): Define.
11340 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
11342 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11344 * fold-const.c (fold_convert): Fix typo.
11346 2001-01-02 Richard Henderson <rth@redhat.com>
11348 * c-common.h (ASM_INPUT_P): New.
11349 * c-parse.in (asm): Set it when needed.
11350 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
11351 existance of an operand.
11353 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
11355 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
11356 (dwarf2out_frame_debug_expr): Likewise.
11357 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
11359 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
11361 * i386.c (ix86_split_to_parts): Return number of part required;
11363 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
11365 (ix86_split_long_move): Use number of part returned
11366 by ix86_split_to_parts
11367 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
11369 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
11370 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
11371 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
11372 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
11373 (ALIGN_MODE_128): Add TFmode.
11374 (IS_STACK_MODE): Likewise.
11375 (HARD_REGNO_NREGS): TFmode needs 3 registers.
11376 (HARD_REGNO_OK): Support TFmodes.
11377 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
11378 * i386.md (scheduler definitions): Use memory operand to determine
11379 fst/fld instructions; use mode attribute to determine real mode of
11381 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
11382 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
11384 2001-01-02 Mark Mitchell <mark@codesourcery.com>
11386 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
11388 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11390 * expr.c (store_constructor_field): Update ALIGN before calling
11393 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11395 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
11398 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
11400 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
11403 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
11405 * c-decl.c (start_function): Don't warn on third parameter to main.
11407 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11409 * tsystem.h: Define HAVE_DECL_GETOPT.
11411 2001-01-02 Philip Blundell <pb@futuretv.com>
11413 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
11416 2001-01-02 Richard Henderson <rth@redhat.com>
11418 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
11420 2001-01-02 Andreas Jaeger <aj@suse.de>
11422 * c-decl.c (c_decode_option): Remove support of
11423 -Wmissing-noreturn.
11425 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
11426 (W_options): Add -Wmissing-noreturn here.
11428 * flow.c: Define lang_missing_noreturn_ok_p.
11429 (check_function_return_warnings): Use it.
11431 * c-common.h: Declare lang_missing_noreturn_ok_p.
11433 * c-lang.c (c_missing_noreturn_ok_p): New function.
11434 (lang_init): Set lang_missing_noreturn_ok_p.
11436 * invoke.texi (Warning Options): Document this.
11438 2000-12-27 Phil Edwards <pme@sources.redhat.com>
11440 * extend.texi (C++ Extensions): New node for C++ attributes;
11441 describe init_priority and com_interface.
11442 * invoke.texi: Remove -finit-priority as it now has zero effect.
11443 * install.texi: Fix xref syntax.
11444 * md.texi: Likewise.
11446 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11448 * config.gcc (sparc64-wrs-vxworks*): New case.
11449 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11451 * config/sparc/sparc.c (sparc_override_options): Do support different
11452 pointer and architecture size.
11453 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11454 (POINTERS_EXTEND_UNSIGNED): Define.
11455 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11456 (FUNCTION_MODE): Define to be Pmode.
11457 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11459 * function.c (expand_function_end): Properly handle DECL_RESULT
11460 and copy when ptr_mode != Pmode.
11461 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11463 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11465 * c-common.c (c_common_nodes_and_builtins): Set prototype
11466 parameters for __builtin_fputs, __builtin_fputc and
11467 __builtin_fwrite. Don't declare plain fputc as a builtin.
11469 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11471 * loop.c (add_label_notes): Increment the label usage count when
11472 a note is added to an insn which refers to a CODE_LABEL.
11473 * gcse.c (add_label_notes): Likewise.
11475 2001-01-01 Andreas Jaeger <aj@suse.de>
11477 * loop.c (scan_loop): Use xmalloc to allocate movables.
11479 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11481 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11482 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11483 * reload1.c (REGISTER_MOVE_COST): Likewise.
11484 * regclass.c (REGISTER_MOVE_COST): Likewise.
11485 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11486 dimension. Adjust all users.
11487 (init_reg_sets_1): Iterate on all modes.
11488 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11489 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11490 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11491 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11492 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11493 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11494 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11495 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11496 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11497 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11498 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11499 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11500 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11501 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11502 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11503 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11504 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11505 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11506 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11507 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11508 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11509 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11510 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11511 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11512 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11513 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11514 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11516 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11518 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11519 arg VARIES_P. Call it with extra arg.
11520 (true_dependence): Likewise.
11521 * rtl.h (rtx_addr_can_trap_p): Declare.
11522 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11524 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11525 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11526 pic offset table register if it's zero. All callers changed.
11527 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11529 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11531 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11532 STRING_POOL_ADDRESS_P.
11534 * config/sparc/sparc.c (input_operand): Properly test for short op.
11536 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11537 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11538 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11539 * config/sparc/elf.h: No longer include sol2.h.
11540 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11541 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11543 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11545 2001-01-01 Michael Hayes <mhayes@redhat.com>
11547 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11548 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11549 (record_initial): Likewise.
11550 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11551 (remap_split_bivs): Likewise.
11553 2001-01-01 Michael Hayes <mhayes@redhat.com>
11555 * loop.c (loop_ivs_free): New function.
11556 (strength_reduce): Break out from...
11558 2001-01-01 Michael Hayes <mhayes@redhat.com>
11560 * loop.h (struct iv): New.
11561 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11562 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11563 'reg_biv_class' fields with 'regs' and 'n_regs'.
11564 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11565 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11566 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11568 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11570 * resource.c (mark_referenced_resources): Abort() before
11571 attempting to mark a pseudo register.
11572 (mark_set_resources): Likewise.
11574 2001-01-01 Michael Hayes <mhayes@redhat.com>
11576 * loop.h (REG_IV_CLASS): New accessor macro.
11577 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11578 * unroll.c (REG_IV_CLASS): Likewise.
11580 See ChangeLog.4 for earlier changes.