1 Sat May 19 10:23:54 CEST 2001 Jan Hubicka <jh@suse.cz>
3 * recog.c (general_operand): Prohibit nonzero subreg bytes on
4 subregs containing mem.
6 Sat May 19 09:40:45 2001 Denis Chertykov <denisc@overta.ru>
8 * regrename.c (regrename_optimize): frame pointer register can
11 2001-05-18 Jason Merrill <jason_merrill@redhat.com>
13 * README.DWARF: Move into dwarfout.c.
15 2001-05-18 Dale Johannesen <dalej@apple.com>
17 * config/rs6000/rs6000.c (secondary_reload_class): Fix Darwin
18 specific misuse of r0 as a reload address.
20 Fri May 18 22:42:04 CEST 2001 Jan Hubicka <jh@suse.cz>
22 * combine.c (combine_simplify_rtx): Clear op0_mode if simplification
25 Fri May 18 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
27 * genrecog.c (enum decision_type): Add DT_elt_zero-wide_safe.
28 (add_to_sequence): Make that decision type.
29 (maybe_both_true_2, nodes_identical_1, factor_tests): Use it.
30 (write_switch, write_cond, debug_decision_2): Likewise.
32 * dbxout.c (dbxout_type): Use host_integerp and fix typo in testing
34 (dbxout_symbol, case TYPE_DECL): Don't generate tag for records of
37 2001-05-18 Stan Shebs <shebs@apple.com>
39 * configure.in (gcc_cv_as_eh_frame): Cope with old assemblers.
40 * configure: Regenerate.
42 2001-05-18 Per Bothner <per@bothner.com>
44 Changes needed for java/jvspec.c
45 * gcc.h (n_infiles, outfiles): Add declarations.
46 * gcc.c (n_infiles, outfiles): Mske no longer static.
48 Fri May 18 10:14:42 2001 Jeffrey A Law (law@cygnus.com)
50 * config/pa/som.h (EXCEPTION_SECTION): Define.
52 2001-05-18 Daniel Berlin <dan@cgsoftware.com>
54 * dwarf2out.c: Add dw_loc_list_ref, a reference to a location
56 Add have_location_lists, a variable to determine whether we need a
57 .debug_loc section or not.
58 (enum dw_val_class): Add dw_val_class_loc_list.
59 (dw_val_struct): Add val_loc_list.
60 (dw_loc_list_struct): New structure, represents location lists.
61 (new_loc_list): New function, return a new location list, given
62 the range and location expression.
63 (add_loc_descr_to_loc_list): New function, add a location
64 expression to a location list, given the expression and range.
65 (output_loc_list): New function, output a location list.
66 (gen_internal_sym): Modified to take symbol prefix, so we can
67 reuse it for location list symbols.
68 (add_AT_loc_list): New function, add a location list to a DIE at
70 (AT_loc_list): New function, return the location list reference
71 for a given attribute, if it's a location list.
72 (print_die): Handle dw_val_class_loc_list.
74 (value_format): Ditto.
76 (output_location_lists): New function, output all of the location
77 lists for a DIE and it's children.
78 (dwarf2out_finish): Call output_location_lists if we have location
82 Fri May 18 15:39:16 CEST 2001 Jan Hubicka <jh@suse.cz>
84 * gcse.c (try_replace_reg): First try global replace, later try to
85 simplify the expression.
87 * gcse.c (find_used_regs): Change calling convention; work via
89 (cprop_insn): Update call of find_used_regs; work for CALL_INSNs too.
91 2001-05-18 Bernd Schmidt <bernds@redhat.com>
94 2001-02-09 Nick Clifton <nickc@redhat.com>
95 * config/arm/arm.md: Change output constraint on post inc
96 load/store multiple patterns to be a read/write constraint.
98 2001-05-18 Mark Mitchell <mark@codesourcery.com>
100 * function.c (expand_function_start): Avoid creating BLKmode
103 2001-05-17 Mark Mitchell <mark@codesourcery.com>
105 * dwarf2out.c (output_comp_unit): Always output a compilation-unit
106 DIE, even if it has no children.
107 (dwarf2out_finish): Always output the line-number table, even if
110 2001-05-18 David Edelsohn <edelsohn@gnu.org>
112 * rs6000.md (movsfcc,movdfcc): Remove NE case.
114 2001-05-17 Bruce Korb <bkorb@gnu.org>
116 * fixinc/fixincl.tpl: rewritten as an AutoGen version 5 template
117 * fixinc/genfixes: emit a warning if AutoGen is out of date
119 2001-05-17 Brendan Conoboy <blc@cygnus.com>
120 Bruce Korb <bkorb@gnu.org>
122 * fixinc/fixincl.sh(FIXINC): accept local directory if fixincl not
123 found in fixinc directory. Facilitates binary distributions.
125 2001-05-17 Jeffrey Oldham <oldham@codesourcery.com>
127 * dbxout.c (dbxout_symbol_location): For CONCAT, skip types not
130 Thu May 17 19:42:39 2001 Mark Kettenis <kettenis@wins.uva.nl>
132 * dwarf2out.c (modified_type_die): Equate qualified type to die.
134 Thu May 17 23:19:46 CEST 2001 Jan Hubicka <jh@suse.cz>
136 * integrate.c (copy_rtx_and_substitute): Use simplify_gen_subreg.
137 (simplify_subreg): Handle complex types represented as CONCAT.
139 * recog.c (validate_replace_rtx_1): Properly canonicalize expression
140 * rtl.h (swap_commutative_operands_p): Declare.
141 * rtlanal.c (swap_commutative_operands_p): New.
142 (operand_preference): New static function.
144 * combine.c (combine_simplify_rtx): Use swap_commutative_operands_p.
145 (gen_binary): Likewise.
146 * optabs.c (emit_cmp_and_jump_insns, emit_conditional_move): Likewise.
147 * simplify-rtx.c (simplify_gen_binary,
148 simplify_gen_relational): Likewise.
150 Thu May 17 20:43:36 CEST 2001 Jan Hubicka <jh@suse.cz>
152 * cse.c (fold_rtx): Use simplify_subreg.
154 * simplify-rtx.c (simplify_replace_rtx): Use simplify_gen_subreg.
155 (simplify_gen_subreg): New.
156 (simplify_rtx): Use simplify_subreg.
157 * rtl.h (simplify_gen_subreg): Declare.
159 2001-05-17 Mark Mitchell <mark@codesourcery.com>
161 * doc/install.texi: Update Solaris information.
163 * except.h (protect_cleanup_actions): Remove it.
164 (lang_protect_cleanup_actions): Declare it.
165 * except.c (protect_cleanup_actions): Remove it.
166 (lang_protect_cleanup_actions): New variable.
167 (init_eh): Don't make protect_cleanup_actions a GC root.
168 (expand_eh_region_and_cleanup): Call
169 lang_protect_cleanup_actions.
170 (output_function_exception_table): Remove unused `align'
172 * varasm.c (assemble_external): Abort if we have not yet
173 opened the assembly output file.
175 Thu May 17 11:54:50 2001 Jeffrey A Law (law@cygnus.com)
177 * except.c (sjlj_emit_function_enter): Call assemble_external_libcall
178 for eh_personality_libfunc.
180 Thu May 17 19:48:00 CEST 2001 Jan Hubicka <jh@suse.cz>
182 * recog.c (validate_replace_rtx_1): Use "TO" mode if not VOIDmode
183 when calling simplify_subreg. This is needed to allow replacing
184 of expression of one mode by expression of different mode.
186 Thu May 17 19:40:03 CEST 2001 Jan Hubicka <jh@suse.cz>
188 * simplify-rtx.c (simplify_subreg): Avoid creating of incorrect subregs.
190 2001-05-17 Bernd Schmidt <bernds@redhat.com>
192 * expr.c (protect_from_queue): Protect against subsequent calls to
194 (expand_expr, case ADDR_EXPR): Prevent protect_from_queue from being
197 Thu May 17 18:17:34 CEST 2001 Jan Hubicka <jh@suse.cz>
199 * simplify_rtx.c (simplify_subreg): Fix simplification of nested subregs.
201 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
203 * gccbug.in (CATEGORIES): Add "bootstrap".
205 Thu May 17 16:59:41 CEST 2001 Jan Hubicka <jh@suse.cz>
207 * simplify-rtx.c (simplify_subreg): Break out from ...
208 * combine.c (combine_splify_rtx) ... here and ...
209 * recog.c (validate_replace_rtx_1): ... here;
210 * rtl.h (subreg_lowpart_parts_p, simplify_subreg): Declare.
211 * emit-rtl.c (subreg_lowpart_parts_p): Break out from ...
212 (subreg_lowpart_p): ... here.
214 2001-05-17 Bernd Schmidt <bernds@redhat.com>
216 * stmt.c (expand_asm_operands): For inout operands, make sure
217 the substitution of '=' for '+' makes it into the rtl.
219 * reload1.c (delete_output_reload): Call eliminate_regs on substed.
220 (reload_as_needed): Call update_eliminable_offsets a bit later.
222 2001-05-17 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
224 * gcc.texi (gccbug): Refer to the web pages for detailed information
227 2001-05-16 Zack Weinberg <zackw@stanford.edu>
229 * libgcc1-test.c, libgcc1.c, config/i386/perform.h: Delete file.
231 * Makefile.in: Delete variables: OLDCC, CCLIBFLAGS, OLDAR,
232 OLDAR_FLAGS, LIBGCC1, LIBGCC1_TEST, CROSS_LIBGCC1,
233 LIB1FUNCS, and LIB1FUNCS_EXTRA. Delete rules: libgcc1-test,
234 libgcc1-test.o. Clarify commentary now that libgcc1 no longer exists.
235 * cross-make: Don't set LIBGCC1.
236 * mklibgcc.in: Delete all code for building from libgcc1.c.
237 Always honor LIB1ASMFUNCS if set.
239 * crtstuff.c, floatlib.c, longlong.h, config/fp-bit.c,
240 config/arc/lib1funcs.asm, config/arm/lib1funcs.asm,
241 config/d30v/libgcc1.asm, config/fr30/lib1funcs.asm,
242 config/h8300/lib1funcs.asm, config/i386/cygwin.asm,
243 config/i386/uwin.asm, config/m68hc11/larith.asm,
244 config/m68k/lb1sf68.asm, config/mcore/lib1.asm,
245 config/mn10200/lib1funcs.asm, config/sh/lib1funcs.asm,
246 config/sparc/lb1spc.asm, config/sparc/lb1spl.asm,
247 config/v850/lib1funcs.asm, config/c4x/libgcc.S:
248 Delete or update references to libgcc1 in commentary.
250 * config/t-libc-ok, config/t-linux, config/t-linux-aout,
251 config/t-netbsd, config/a29k/t-a29kbare, config/a29k/t-vx29k,
252 config/alpha/t-interix, config/alpha/t-osf, config/alpha/t-vms,
253 config/arc/t-arc, config/arm/t-arm-aout, config/arm/t-arm-coff,
254 config/arm/t-arm-elf, config/arm/t-linux, config/arm/t-pe,
255 config/arm/t-semi, config/arm/t-strongarm-coff,
256 config/arm/t-strongarm-elf, config/arm/t-strongarm-pe,
257 config/arm/t-xscale-coff, config/arm/t-xscale-elf, config/avr/t-avr,
258 config/c4x/t-c4x, config/d30v/t-d30v, config/fr30/t-fr30,
259 config/h8300/t-h8300, config/i386/t-beos, config/i386/t-cygwin,
260 config/i386/t-i386elf, config/i386/t-interix, config/i386/t-netware,
261 config/i386/t-next, config/i386/t-rtems-i386, config/i386/t-sol2,
262 config/i960/t-960bare, config/i960/t-vxworks960, config/ia64/t-ia64,
263 config/m32r/t-m32r, config/m68hc11/t-m68hc11-gas, config/m68k/t-lynx,
264 config/m68k/t-m68kbare, config/m68k/t-m68kelf,
265 config/m68k/t-mot3300-gald, config/m68k/t-mot3300-gas,
266 config/m68k/t-next, config/m68k/t-vxworks68, config/m88k/t-bug,
267 config/m88k/t-dgux, config/m88k/t-dgux-gas, config/m88k/t-dguxbcs,
268 config/m88k/t-luna, config/m88k/t-luna-gas, config/m88k/t-m88k,
269 config/m88k/t-m88k-gas, config/m88k/t-sysv4, config/mcore/t-mcore,
270 config/mcore/t-mcore-pe, config/mips/t-bsd, config/mips/t-bsd-gas,
271 config/mips/t-cross64, config/mips/t-ecoff, config/mips/t-elf,
272 config/mips/t-iris6, config/mips/t-r3900, config/mips/t-svr3,
273 config/mips/t-svr3-gas, config/mips/t-svr4, config/mips/t-svr4-gas,
274 config/mips/t-ultrix, config/mn10200/t-mn10200,
275 config/mn10300/t-mn10300, config/pa/t-linux, config/pa/t-linux64,
276 config/pa/t-pa, config/pa/t-pa64, config/pa/t-pro,
277 config/pdp11/t-pdp11, config/pj/t-pj, config/rs6000/t-aix43,
278 config/rs6000/t-beos, config/rs6000/t-darwin, config/rs6000/t-newas,
279 config/rs6000/t-ppccomm, config/rs6000/t-rs6000, config/sh/t-linux,
280 config/sh/t-sh, config/sparc/t-chorus-elf, config/sparc/t-elf,
281 config/sparc/t-sol2, config/sparc/t-sp86x, config/sparc/t-sparcbare,
282 config/sparc/t-sparclite, config/sparc/t-splet,
283 config/sparc/t-sunos41, config/sparc/t-vxsparc,
284 config/sparc/t-vxsparc64, config/v850/t-v850:
285 Don't set any of LIBGCC1, CROSS_LIBGCC1, or LIBGCC1_TEST.
287 * config/alpha/alpha.h, config/i386/i386.h, config/i860/i860.h:
288 Don't set FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, INTIFY, or FLOATIFY.
289 * config/d30v/d30v.h: Don't mention LIBGCC_NEEDS_DOUBLE,
290 FLOAT_VALUE_TYPE, FLOAT_ARG_TYPE, FLOATIFY, INTIFY,
291 nongcc_SI_type, nongcc_word_type, or perform_*
292 * config/i860/fx2800: Don't define perform_umodsi3 or perform_modsi3.
294 * config/i386/386bsd.h, config/i386/beos-elf.h,
295 config/i386/linux-aout.h, config/i386/linux-oldld.h,
296 config/i386/linux.h, config/i386/mach.h, config/i386/netbsd.h,
297 config/i386/openbsd.h, config/i386/osfrose.h, config/i386/rtemself.h:
298 Don't include i386/perform.h.
300 * config/a29k/t-a29k, config/arm/t-semiaof, config/i370/t-i370,
301 config/i370/t-linux, config/i370/t-mvs, config/i370/t-oe,
302 config/i386/t-djgpp, config/i386/t-i386bare, config/i386/t-vsta,
303 config/ia64/t-hpux, config/mips/t-mips, config/mips/t-mips-gas,
304 config/mips/t-osfrose, config/sparc/t-sp64, config/sparc/t-sunos40,
305 config/vax/t-openbsd, config/vax/t-vax: Delete.
307 * config.gcc: Remove references to deleted files.
308 (arm-semi-aof): Use arm/t-semi for tmake_file.
310 * gcc.texi, install.texi, invoke.texi, tm.texi:
311 Delete or rewrite text which is no longer relevant now that
312 libgcc1 no longer exists.
314 * config/t-openbsd, config/alpha/t-interix, config/i386/t-interix:
315 No need to set INSTALL_ASSERT_H. (Missed in previous sweep.)
317 2001-05-16 Wolfgang Bangerth <wolfgang.bangerth@iwr.uni-heidelberg.de>
318 Bruce Korb <bkorb@gnu.org>
320 * fixinc/inclhack.def(solaris27_mutex_init): Fix broken mutex
323 2001-05-16 Zack Weinberg <zackw@stanford.edu>
325 * i386.md: Add two peepholes to clean up code generated by
328 2001-05-16 Richard Henderson <rth@redhat.com>
330 * dwarf2asm.c (eh_data_format_name): Add names for "pointer size"
331 variants of non-absolute encodings.
333 * config/i386/i386.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
335 * libgcc-std.ver (_Unwind_Find_FDE, __register_frame_info_bases,
336 __register_frame_info_table_bases): Export.
338 2001-05-16 Richard Henderson <rth@redhat.com>
340 * except.c (eh_data_format_name): Move to ...
341 * dwarf2asm.c: ... here. Use designated initializers if available.
342 (dw2_asm_output_encoded_addr_rtx): Accept varargs commentary.
343 * dwarf2asm.h: Update declarations.
344 * dwarf2out.c (output_cfi) [DW_CFA_set_loc]: If for_eh, mind
345 ASM_PREFERRED_EH_DATA_FORMAT.
346 (output_call_frame_info): Likewise. Use 'L' augmentation for
349 * unwind-dw2-fde.h (struct fde_vector): New.
350 (struct old_object): Rename from struct object.
351 (struct object): New.
352 (__register_frame_info_bases): Declare.
353 (__register_frame_info_table_bases): Declare.
354 (struct dwarf_fde): Remove explicit pc_begin/pc_range members.
355 * unwind-dw2-fde.c (objects): Remove.
356 (unseen_objects, seen_objects): New.
357 (__register_frame_info_bases): New.
358 (__register_frame_info): Use it.
359 (__register_frame_info_table_bases): New.
360 (__register_frame_info_table): Use it.
361 (__deregister_frame_info): Rewrite for changed object struct.
362 (base_from_object, get_cie_encoding, get_fde_encoding): New.
363 (fde_unencoded_compare): Rename from fde_compare; uninline.
364 (fde_single_encoding_compare, fde_mixed_encoding_compare): New.
365 (start_fde_sort): Adjust for new definition of fde_vector.
366 (fde_insert): Likewise.
367 (end_fde_sort): Likewise. Select comparison function based
368 on properties of the object.
369 (fde_split): Take object and fde_compare_t arguments.
370 (frame_heapsort, fde_merge): Likewise.
371 (classify_object_over_fdes): Rename from count_fdes. Handle
372 encoded pointers. Collect encoding, mixed_encoding, and pc_begin
374 (add_fdes): Handle encoded pointers.
375 (init_object): Rename from frame_init. Update for new struct object.
376 (linear_search_fdes): Rename from search_fdes. Handle encoded
378 (binary_search_unencoded_fdes): Broken out from _Unwind_Find_FDE.
379 (binary_search_single_encoding_fdes): New.
380 (binary_search_mixed_encoding_fdes): New.
381 (search_object): New.
382 (_Unwind_Find_FDE): Update for new struct object. Fill in
384 * unwind-dw2.c: Include unwind-pe.h. Constify all pointers
385 iterating over EH data.
386 (_Unwind_FrameState): Remove saw_lsda, addr_encoding. Add
387 fde_encoding, lsda_encoding.
388 (read_uleb128, read_sleb128): Remove.
389 (read_encoded_pointer): Remove. All callers use read_encoded_value.
390 (extract_cie_info): Set lsda_encoding from 'L' augmentation.
391 (uw_frame_state_for): Don't set bases.func. Handle encoded fde
393 * unwind-pe.h: Add "struct" to _Unwind_Context references.
395 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
397 * cppexp.c (lex): Use NODE_NAME and NODE_LEN.
398 * cpphash.c (_cpp_lookup_with_hash): Similarly.
399 * cpplex.c (cpp_ideq, parse_identifier, cpp_token_len,
400 cpp_spell_token, cpp_output_token): Similarly.
401 * cpplib.c (lex_macro_node, do_undef, do_pragma,
402 do_pragma_poison, parse_assertion, do_assert): Similarly.
403 * cppmacro.c (builtin_macro, parse_args, funlike_invocation_p,
404 save_parameter, _cpp_create_definition, check_trad_stringification,
405 cpp_macro_definition): Similarly.
406 * cppmain.c (cb_define, cb_undef, dump_macro): Similarly.
407 * c-lex.c (cb_undef, c_lex): Similarly.
408 * fix-header.c (recognized_function): Similarly.
409 * cpplib.h (NODE_LEN, NODE_NAME): New.
410 (cpp_hashnode): Rename length len.
412 Wed May 16 13:41:10 2001 Jeffrey A Law (law@cygnus.com)
414 * pa32-regs.h (HARD_REGNO_MODE_OK): Allow TI/TFmode values in
417 2001-05-16 Andreas Jaeger <aj@suse.de>
419 * Makefile.in (toplev.o): Add dependency on dwarf2asm.h.
421 * toplev.c: Include dwarf2asm.h for prototype of
422 dw2_output_indirect_constants.
424 Wed May 16 19:53:53 CEST 2001 Jan Hubicka <jh@suse.cz>
426 * stmt.c (expand_asm_operands): Be able to offload addressof
427 expression to memory. (PR optimization/185)
429 Wed May 16 18:53:23 CEST 2001 Jan Hubicka <jh@suse.cz>
431 * combine.c (combine_simplify_rtx): Set op0_mode to VOIDmode after
432 applying distributive law.
434 2001-05-16 John David Anglin <dave@hiauly1.hia.nrc.ca>
436 * pa-hpux10.h (THREAD_MODEL_SPEC): Define.
438 * gthr-dce.h (UNUSED): Attribute unused macro.
439 (__gthread_key_dtor): Make arguments UNUSED.
440 (__gthread_key_delete): Revise for compatibility with DRAFT4
443 2001-05-16 David Edelsohn <edelsohn@gnu.org>
445 * doc/install.texi: Update AIX information.
446 * README.RS6000: Remove obsolete file.
448 2001-05-16 Jakub Jelinek <jakub@redhat.com>
449 Nathan Sidwell <nathan@codesourcery.com>
451 * gcc.c (give_switch): Don't write before start of string.
452 Always append suffix.
454 2001-05-16 Nathan Sidwell <nathan@codesourcery.com>
456 * cpplex.c (_cpp_lex_token, '/' case): Comments can't appear
459 2001-05-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
461 * README.ALTOS: Remove obsolete file.
463 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
465 * c-lex.h (save_and_forget_protocol_qualifiers,
466 forget_protocol_qualifiers, remember_protocol_qualifiers):
467 Remove deleted functions' prototypes.
469 2001-05-16 Neil Booth <neil@daikokuya.demon.co.uk>
471 * c-parse.in (methodtype): New production.
472 (methoddef, methodproto): Collapse separate '-' and '+'
475 2001-05-16 Neil Booth <neil@cat.daikokuya.demon.co.uk>
477 * c-common.h (RID_FIRST_PQ): New.
478 * c-parse.in (objc_pq_context): New.
479 (objc parser): Set objc_pq_context rather than calling
480 remember_protocol_qualifiers and forget_protocol_qualifiers.
481 Don't call save_and_forget_protocol_qualifiers.
482 (yylexname): Handle objc protocol qualifiers here.
483 * stringpool.c (struct str_header): Replace with sp_hashnode.
484 (SP_EMPTY, SP_LEN, SP_TREE, SP_STR, SP_VALID): New.
485 (alloc_string): Rename alloc_ident. Use the SP_ accessors.
486 Allocate an IDENTIFIER_NODE for each identifier.
487 (FORALL_STRINGS, set_identifier): Delete.
488 (FORALL_IDS, expand_string_table, stringpool_statistics): Update.
489 (ggc_alloc_string): Use an obstack.
490 (get_identifier, maybe_get_identifier, mark_string_hash): Update.
491 * tree.h: Update comments.
492 (set_identifier): Delete.
493 * objc/objc-act.c (N_PQ, saved_pq, saved_not_pq,
494 save_and_forget_protocol_qualifiers, forget_protocol_qualifiers,
495 remember_protocol_qualifiers): Delete.
497 Tue May 15 22:14:09 2001 Jeffrey A Law (law@cygnus.com)
499 * flow.c (life_analysis): After life analysis is complete, do
500 an optional scan over insns looking for REG_LABEL notes that
501 reference a deleted label.
502 (propagate_block_delete_insn): Verify INOTE is a CODE_LABEL
503 before peeking at LABEL_NUSES.
505 2001-05-15 Richard Henderson <rth@redhat.com>
507 * unwind-sjlj.c (_Unwind_GetDataRelBase): New.
508 (_Unwind_GetTextRelBase): New.
510 2001-05-15 Mark Mitchell <mark@codesourcery.com>
512 * config/sparc/sol2.h (CPLUSPLUS_CPP_SPEC): Define.
514 2001-05-15 Geoffrey Keating <geoffk@redhat.com>
516 * objc/objc-act.c (handle_class_ref): Use rest_of_decl_compilation
517 so that CHOOSE_SECTION gets used.
519 * config/rs6000/sysv4.h (ASM_PREFERRED_EH_DATA_FORMAT): Treat
520 TARGET_RELOCATABLE like flag_pic for now.
522 2001-05-15 David Edelsohn <edelsohn@gnu.org>
524 * rs6000.md (movdi splitter): Sign extend more efficiently.
525 * rs6000.c (reg_or_arith_cint_operand): Redefine 64-bit constant
526 to "long long" valid on 32-bit and 64-bit hosts.
527 (logical_operand): Cast trunc_int_for_mode return value.
528 (rs6000_emit_move): Shift macro to encapsulate variable.
529 (rs6000_va_start): Use HOST_WIDE_INT_PRINT_DEC.
530 (rs6000_emit_{prologue,epilogue}): EH regno is unsigned but
531 plus_constant requires signed argument.
533 2001-05-15 Loren J. Rittle <ljrittle@acm.org>
535 * gthr-posix.h: Make additional pthread-* functions weak.
537 Tue May 15 13:51:32 CEST 2001 Jan Hubicka <jh@suse.cz>
539 * recog.c (apply_change_group): Avoid unneeded validating.
541 2001-05-14 David Edelsohn <edelsohn@gnu.org>
543 * rs6000.c (num_insns_constant_wide): Constants are sign-extended.
544 (num_insns_constant): CONST_INT can be 64-bits.
546 2001-05-14 Stan Shebs <shebs@apple.com>
548 * config/darwin.h (LIB_SPEC): Just use -lSystem.
549 (LIBGCC_SPEC): Don't define.
551 2001-05-14 Richard Henderson <rth@redhat.com>
553 * configure.in (gcc_cv_as_eh_frame): New test.
554 * config.in, configure: Rebuild.
555 * gcc.c (init_spec): Honor USE_AS_TRADITIONAL_FORMAT.
557 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
559 * config/ia64/lib1funcs.asm (__divtf3): Fix incorrect bits in
560 extended precision divide.
562 2001-05-14 Andrew MacLeod <amacleod@redhat.com>
564 * config/ia64/ia64.c (rtx_needs_barrier): Call rtx_needs_barrier
567 Mon May 14 17:34:48 CEST 2001 Jan Hubicka <jh@suse.cz>
569 * i386.h (TARGET_64BIT): Define to constant if !TARGET_BI_ARCH
570 (CPP_CPU??_SIZE_TYPE): New.
571 (CPP_CPU??_SPEC, CPP_CPUCOMMON_SPEC): Break out from...
572 (CPP_CPU_SPEC): ... here; support choosing of CPU.
573 (EXTRA_SPECS): Add cpp_cpu??, cpp_cpu??sizet, cpp_cpucommon.
574 (MAX_LONG_TYPE_SIZE, MAX_BITS_PER_WORD): Define to 32 for 32bit-only
576 * i386.c (override_options): Add sorry about not suported modes.
578 Mon May 14 08:56:47 2001 Jeffrey A Law (law@cygnus.com)
580 * config/pa/som.h (NM_FLAGS): Remove.
581 (ASM_OUTPUT_FUNCTION_PREFIX): No longer truncate subspace names.
582 (ASM_OUTPUT_SECTION_NAME): Remove.
583 (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Likewise.
585 2001-05-14 Mark Mitchell <mark@codesourcery.com>
587 * regrename.c (regrename_optimize): Do not rename registers to
590 2001-05-14 Alexandre Oliva <aoliva@redhat.com>
592 * rtl.texi (CALL_INSN_FUNCTION_USAGE): Note that (and when) it may
593 contain MEMs. Remove useless distinction about clobbering
596 2001-05-13 Geoff Keating <geoffk@redhat.com>
598 * config/rs6000/rs6000.h (EXCEPTION_SECTION): Move to...
599 * config/rs6000/aix.h (EXCEPTION_SECTION): ... here.
600 * config/rs6000/sysv4.h (CONST_SECTION_ASM_OP): Delete.
601 (ASM_PREFERRED_EH_DATA_FORMAT): Define.
602 (EXCEPTION_SECTION): Define.
604 2001-05-13 Zack Weinberg <zackw@stanford.edu>
606 * libgcc2.c, libgcc2.h: Restore __eprintf. Label as used for
607 binary backward compat only.
608 * Makefile.in (LIB2FUNCS_ST): New. Put _eprintf here, not
609 in LIB2FUNCS. Pass it to mklibgcc.
610 * mklibgcc.in: Handle LIB2FUNCS_ST.
612 * Makefile.in (installdirs): Don't create $(gcc_tooldir).
614 2001-05-13 Alexandre Oliva <aoliva@redhat.com>
616 * tm.texi (THREAD_MODEL_SPEC): Document it.
617 * gcc.c (main): Use it.
618 * config/rs6000/aix43.h (THREAD_MODEL_SPEC): Define it.
619 * config/rs6000/aix51.h (THREAD_MODEL_SPEC): Likewise.
621 2001-05-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
623 * rtl.h (SYMBOL_REF_WEAK): New macro.
624 * rtlanal.h (rtx_addr_can_trap): Use it, a weak SYMBOL_REF can trap.
625 * varasm.c (make_decl_rtl): Mark SYMBOL_REF weak if necessary.
626 * rtl.texi (SYMBOL_REF_WEAK): Document it.
627 * gcc.texi: Remove wrong description.
629 2001-05-13 Mark Mitchell <mark@codesourcery.com>
631 * Makefile.in (STAMP): New macro.
632 Replace all uses of `touch' with $(STAMP).
633 * fixinc/Makefile.in: Likewise.
635 Sun May 13 07:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
637 * configure.in: ldopen is never in -lexc, so don't test for it.
638 Add test for exc_resume in -lexc for Ada.
639 * configure: Regenerated.
641 2001-05-12 Richard Henderson <rth@redhat.com>
643 * dwarf2asm.c (size_of_encoded_value): New function.
644 * dwarf2asm.h: Declare it.
645 * except.c (output_function_exception_table): Align the TType
646 array only as wide as the encoding.
648 2001-05-12 Zack Weinberg <zackw@stanford.edu>
650 * extend.texi: Document #pragma GCC java_exceptions.
652 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
654 * c-parse.in (bison parser, init_reswords): Remove uses of
656 * c-tree.h (doing_objc_thang): Remove.
658 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
660 * cpplex.c (_cpp_lex_token): Ensure we warn at most once
661 about files not ending in newlines.
663 2001-05-12 Neil Booth <neil@cat.daikokuya.demon.co.uk>
665 * dwarfout.c (dwarfout_init): Add cast.
666 * sched-deps.c (sched_analyze_insn): Remove unused vars.
667 * unwind-dw2-fde.c (_Unwind_Find_FDE): Flag unused parameter so.
669 * method.c (build_mangled_C99_name): Remove unused prototype.
671 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
673 * config/arm/arm.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Use delta.
675 2001-05-12 Alexandre Oliva <aoliva@redhat.com>
677 * defaults.h (TARGET_PTRMEMFUNC_VBIT_LOCATION): Define.
678 * tm.texi (TARGET_PRTMEMFUNC_VBIT_LOCATION): Document.
680 2001-05-11 Richard Henderson <rth@redhat.com>
682 * defaults.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
683 * dwarf2asm.c (dw2_force_const_mem, dw2_output_indirect_constant_1,
684 dw2_output_indirect_constants, dw2_asm_output_encoded_addr_rtx): New.
685 * dwarf2asm.h (dw2_asm_output_encoded_addr_rtx): Prototype.
686 (dw2_output_indirect_constants): Prototype.
687 * dwarf2out.c (dwarf2out_begin_prologue): Generate
688 current_function_func_begin_label if we'll need it for EH. Exit
689 early for IA64_UNWIND_INFO.
690 * except.c: Get DW_EH_PE_* defines from dwarf2.h.
691 (eh_data_format_name): Update for indirect references.
692 (output_function_exception_table): Care for IA64_UNWIND_INFO.
693 Handle ASM_PREFERRED_EH_DATA_FORMAT.
694 * except.h (MUST_USE_SJLJ_EXCEPTIONS): IA64_UNWIND_INFO needn't
695 define HAVE_eh_return etc.
696 * final.c (final_start_function): Always call dwarf2out_begin_prologue.
697 (final_end_function): Don't call output_function_exception_table.
698 * toplev.c (compile_file): Call dw2_output_indirect_constants.
699 (rest_of_compilation): Invoke output_function_exception_table
700 for ia64 before assemble_end_function.
701 * tm.texi (ASM_PREFERRED_EH_DATA_FORMAT): Document.
702 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): Document.
704 * unwind-dw2.c (_Unwind_GetTextRelBase, _Unwind_GetDataRelBase): New.
705 * unwind.h: Declare them.
706 * libgcc-std.ver: Export them.
707 * unwind-pe.h: New file.
709 * config/alpha/elf.h (ASM_PREFERRED_EH_DATA_FORMAT): New.
711 * config/ia64/fde-glibc.c: Use "struct unw_table_entry"
713 (find_fde_for_dso): Extract DT_PLTGOT.
714 (_Unwind_FindTableEntry): Rename from __ia64_find_fde; return
715 the segment and gp as well.
716 * config/ia64/frame-ia64.c: Remove file.
717 * config/ia64/frame-ia64.h: Remove file.
718 * config/ia64/unwind-ia64.c: New file.
719 * config/ia64/unwind-ia64.h: New file.
720 * config/ia64/ia64.h (ASM_OUTPUT_EH_CHAR): Remove.
721 (ASM_OUTPUT_EH_SHORT, ASM_OUTPUT_EH_INT): Remove.
722 (ASM_OUTPUT_EH_DOUBLE_INT): Remove.
723 (ASM_PREFERRED_EH_DATA_FORMAT): New.
724 (ASM_MAYBE_OUTPUT_ENCODED_ADDR_RTX): New.
725 (IA64_UNWIND_INFO): Re-enable.
726 (HANDLER_SECTION): Remove.
727 (EH_RETURN_DATA_REGNO): New.
728 * config/ia64/ia64.md (exception_receiver): Remove.
729 * config/ia64/t-glibc (LIB2ADDEH): Re-enable.
730 * config/ia64/t-ia64 (LIB2ADDEH): Re-enable.
732 2001-05-11 Richard Henderson <rth@redhat.com>
734 * config/ia64/ia64.c (group_barrier_needed_p): Don't allow
735 calls and jumps to be bundled together.
736 (ia64_reorg): Emit a break after a noreturn call that ends
738 * config/ia64/ia64.md (break_f): New.
740 2001-05-12 Neil Booth <neil@daikokuya.demon.co.uk>
742 * c-lex.c (lex_charconst): Convert into a simple wrapper
743 around cpp_interpret_charconst, to which most of the code
745 * cppexp.c (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE,
746 MAX_LONG_TYPE_SIZE, MAX_INT_TYPE_SIZE, MAX_CHAR_TYPE_MASK,
747 MAX_WCHAR_TYPE_MASK, parse_escape, parse_charconst): Remove.
748 (lex): Use cpp_interpret_charconst.
749 * cpplex.c (parse_escape, read_ucs, cpp_interpret_charconst,
750 hex_digit_value): New functions.
751 (MAX_CHAR_TYPE_SIZE, MAX_WCHAR_TYPE_SIZE): New macros.
752 * cpplib.h (cpp_interpret_charconst): New prototype.
753 * Makefile.in: Update.
755 2001-05-12 Dean Wakerley <dean@wakerley.com>
757 * doc/install.texi: New file. Converted to texinfo from the HTML
758 documentation in wwwdocs/htdocs/install.
760 Fri May 11 15:50:13 2001 Jeffrey A Law (law@cygnus.com)
762 * gcse.c (insert_insn_end_bb): Do not search for assignments to
763 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
765 * toplev.c (compile_file): Move comment for opening output
766 file to just before the code that opens the output file.
768 2001-05-11 Jakub Jelinek <jakub@redhat.com>
770 * regmove.c (regmove_optimize): Suppress the optimization for
771 unchanging destination register. Add comment above function.
773 2001-05-11 Zack Weinberg <zackw@stanford.edu>
775 * Makefile.in: Exterminate all references to assert.h.
776 * cross-make: Likewise.
778 * configure.in: Correct commentary.
779 * configure: Regenerate.
781 * libgcc-std.ver, libgcc2.c, libgcc2.h, sys-protos.h:
784 * config/t-freebsd, config/t-linux, config/t-linux-aout,
785 config/t-netbsd, config/t-rtems, config/x-linux,
786 config/i386/t-beos, config/mcore/t-mcore, config/mcore/t-mcore-pe:
787 No need to override INSTALL_ASSERT_H.
789 * fixinc/fixinc.dgux, fixinc/fixinc.interix, fixinc/fixinc.ptx,
790 fixinc/fixinc.svr4, fixinc/fixinc.winnt, fixinc/fixinc.wrap,
791 fixinc/fixincl.sh: Don't install assert.h into objdir/include.
793 2001-05-11 Graham Stott <grahams@redhat.com>
795 * combine.c (simplify_comparison): Fix typo.
797 2001-05-11 Mark Mitchell <mark@codesourcery.com>
799 * loop.h (struct movables): Remove `num'.
800 * loop.c (scan_loop): Don't set it. Use count_insns_in_loop.
801 Adjust call to strength_reduce.
802 (num_unmoved_movables): New function.
803 (move_movables): Don't set movables->num.
804 (strength_reduce): Compute the number of instructions in the loop
805 here, rather than in the caller.
806 (check_dbra_loop): Always clear reversible_mem_store if there
808 (loop_regs_scan): Don't count instructions here.
809 (count_insn_in_loop): New function.
811 2001-05-11 Mark Mitchell <mark@codesourcery.com>
813 * optabs.c (emit_libcall_block): Don't mark calls as CONST_CALL_P.
815 2001-05-11 Neil Booth <neil@daikokuya.demon.co.uk>
817 * c-common.c (finish_label_expr): New function, lifted from
819 * c-common.h (finish_label_expr, lookup_label): New prototypes.
820 * c-parse.in: Move 3 blocks of parser code into new functions.
821 * c-typeck.c (simple_asm_stmt, c_cast_expr): New functions.
822 * c-tree.h (simple_asm_stmt, c_cast_expr): New prototypes.
823 (lookup_label): Remove.
825 2001-05-11 Alexandre Oliva <aoliva@redhat.com>
827 * config/mn10300/t-mn10300 (dp-bit.c, fp-bit.c): Don't define
828 FLOAT_BIT_ORDER_MISMATCH.
830 2001-05-10 David Edelsohn <edelsohn@gnu.org>
832 * expr.c (emit_push_insn): Convert PUSH_ROUNDING argument to
833 bytes. Reported by Kazu Hirata <kazu@hxi.com>.
835 2001-05-10 David Edelsohn <edelsohn@gnu.org>
837 * expr.c (emit_group_load): extract_bit_field requires a REG or
840 Thu May 10 14:45:44 2001 Jeffrey A Law (law@cygnus.com)
842 * cse.c (cse_insn): Mostly remove first hunk of code which collapsed
843 a computed jump into an unconditional jump.
844 In second hunk of code for collapsing computed and conditional jumps
845 into unconditional jumps, reemit the jump in additional cases.
847 * jump.c (jump_optimize_1): Do not wrap the new jump target
848 inside a LABEL_REF; gen_jump will do that automatically.
850 2001-05-10 Toon Moene <toon@moene.indiv.nluug.nl>
852 * dwarf2out.c (mem_loc_descriptor): Do not pass constant pool
853 contents for a SYMBOL_REF in case of floating point constants.
855 2001-05-10 DJ Delorie <dj@redhat.com>
857 * c-common.c (combine_strings): Widen strings in a
858 host-endian-independent way.
860 2001-05-10 Joseph S. Myers <jsm28@cam.ac.uk>
862 * c-parse.in: Remove many shift/reduce conflicts. Update
864 (declspecs_nosc_nots_nosa_noea, declspecs_nosc_nots_nosa_ea,
865 declspecs_nosc_nots_sa_noea, declspecs_nosc_nots_sa_ea,
866 declspecs_nosc_ts_nosa_noea, declspecs_nosc_ts_nosa_ea,
867 declspecs_nosc_ts_sa_noea, declspecs_nosc_ts_sa_ea,
868 declspecs_sc_nots_nosa_noea, declspecs_sc_nots_nosa_ea,
869 declspecs_sc_nots_sa_noea, declspecs_sc_nots_sa_ea,
870 declspecs_sc_ts_nosa_noea, declspecs_sc_ts_nosa_ea,
871 declspecs_sc_ts_sa_noea, declspecs_sc_ts_sa_ea, declspecs_ts,
872 declspecs_nots, declspecs_ts_nosa, declspecs_nots_nosa,
873 declspecs_nosc_ts, declspecs_nosc_nots, declspecs_nosc, declspecs,
874 maybe_type_quals_setattrs, typespec_nonattr, typespec_attr,
875 typespec_reserved_nonattr, typespec_reserved_attr,
876 typespec_nonreserved_nonattr, maybe_setattrs, structsp_attr,
877 structsp_nonattr, components_notype, component_notype_declarator,
878 absdcl1_ea, absdcl1_noea, direct_absdcl1, absdcl_maybe_attribute,
879 firstparm, setspecs_fp): New
880 (typed_declspecs, reserved_declspecs, typed_typespecs,
881 reserved_typespecquals, declmods, typespec, typespecqual_reserved,
882 typed_declspecs_no_prefix_attr reserved_declspecs_no_prefix_attr
883 declmods_no_prefix_attr, nonempty_type_quals, structsp,
884 type_quals): Remove. Users updated.
885 (initdecls, notype_initdecls, after_type_declarator,
886 parm_declarator, notype_declarator, absdcl1, components, ivars):
887 Don't allow attributes at the start of a declarator; include them
888 in the production containing the declarator instead. Always
889 require type specifiers before trying to redeclare a typedef name.
890 (typename): Allow for attributes but warn that they are ignored.
891 (parmlist, firstparm, setspecs_fp): Include attributes in
892 parmlist; suck them off the parser stack in firstparm using
895 Thu May 10 09:17:42 2001 Jeffrey A Law (law@cygnus.com)
897 * ifcvt.c (merge_if_block): Use any_uncondjump_p, not simplejump_p
898 to determine if a block has an unconditional jump at its end.
900 * jump.c (jump_optimize_1): When converting a conditional jump
901 to an unconditional jump, build the jump using gen_jump instead
902 of just modify operands in-place.
904 2001-05-09 Zack Weinberg <zackw@stanford.edu>
906 * cppinit.c (cpp_post_options): Shut off macro expansion if
908 * cpplib.c (_cpp_handle_directive): If -fpreprocessed, accept
909 IN_I directives only if the # is in column 1 and the directive
910 name begins in column 2.
911 * cppmain.c (scan_buffer): Insert a space between # and an
912 identifier, when that identifier is a directive name.
914 * tradcpp.c (struct file_buf): Add a pointer to the next entry
915 in the header search path.
916 (enum node_type): Add T_INCLUDE_NEXT.
917 (directive_table): Add entry for include_next.
918 (do_include_next): New function.
919 (process_include): New routine, broken out of do_include.
920 (finclude): Insert 'nhd' argument, to be copied into
921 next_header_dir of the new buffer.
922 (main): Adjust to match.
923 * gsyslimits.h, limity.h: Un-indent #include_next.
925 2001-05-09 Joseph S. Myers <jsm28@cam.ac.uk>
927 * objc.texi: Move from ../libobjc/objc-features.texi. Adjust for
928 inclusion as a chapter of the GCC manual.
929 * gcc.texi: Include objc.texi.
930 * fdl.texi: Use @unnumberedsec for the addendum.
931 * Makefile.in ($(srcdir)/gcc.info, gcc.dvi): Update dependencies.
933 Wed May 9 16:01:41 CEST 2001 Jan Hubicka <jh@suse.cz>
935 * i386.md (DImode move splitters): Use !MMX and !SSE for the condition.
937 Wed May 9 10:40:25 2001 Alexandre Oliva <aoliva@redhat.com>
939 * regclass.c (scan_one_insn): Update REG_N_REFS when optimizing
940 handling of two-address insns.
942 Wed May 9 10:36:18 2001 Alexandre Oliva <aoliva@redhat.com>
944 * Makefile.in (NM_FOR_TARGET): Look for ./nm, then
945 ../binutils/nm-new instead of ../binutils/nm.
947 Wed May 9 12:15:46 CEST 2001 Jan Hubicka <jh@suse.cz>
949 * i386.md (movdi splitter): Fix the splitting condition
950 (float_extenddftf splitter): Fix mode.
952 Wed May 9 12:05:39 CEST 2001 Jan Hubicka <jh@suse.cz>
954 * genrecog.c (write_switch): Avoid outputting of switch for
955 types wider than int.
957 2001-05-03 Andrew Haley <aph@cambridge.redhat.com>
959 * reload1.c (copy_eh_notes): New function.
960 (emit_input_reload_insns): Call it.
961 (emit_output_reload_insns): Call it.
963 2001-05-07 Zack Weinberg <zackw@stanford.edu>
965 * config.gcc (i[34567]86-*-sco3.2v4*, i[34567]86-*-sco*):
967 * config/i386/sco.h, config/i386/sco4.h, config/i386/scodbx.h,
968 config/i386/sco4dbx.h, config/i386/x-sco4: Delete file.
970 * optabs.c: Delete #ifdef BROKEN_LDEXP block.
972 2001-05-07 John David Anglin <dave@hiauly1.hia.nrc.ca>
974 * pa.md (interspace_jump): Revise comment.
975 (builtin_longjmp): Block initial setup insns from delay slot of
977 (builtin_setjmp_receiver): New expander to save and restore PIC
980 * som.h (NM_FLAGS): Remove `-n' sort option. Revise comment.
982 Mon May 7 09:30:14 2001 Jeffrey A Law (law@cygnus.com)
984 * toplev.c (compile_file): Set up the output file before we call
985 the various initializers for the compiler.
987 * except.c (sjlj_mark_call_sites): Do not search for assignments to
988 non-argumment registers that are mentioned in CALL_INSN_FUNCTION_USAGE.
990 * pa.h (MAX_LONG_TYPE_SIZE): Should be 32, not 64.
991 * pa-64.h (*_TYPE_SIZE): Undefine before redefining.
993 2001-05-06 Zack Weinberg <zackw@stanford.edu>
995 * Makefile.in (tradcpp0): Correct typo in dependency list.
997 2001-05-06 Geoff Keating <geoffk@redhat.com>
999 * config/rs6000/rs6000.c (rs6000_emit_prologue): Don't save
1000 the link register if we're not going to use it.
1002 * config/rs6000/rs6000.c (output_profile_hook): Fix a warning.
1003 (output_function_profiler): Likewise.
1005 2001-05-07 Alan Modra <amodra@one.net.au>
1007 * pa.c (compute_frame_size): 64-bit frame marker is 16 bytes.
1009 2001-05-06 Alexandre Oliva <aoliva@redhat.com>
1011 * unroll.c (loop_iterations): Don't sign-extend abs_diff;
1012 zero-extend it. Make abs_inc unsigned.
1014 * optabs.c (expand_binop): Sign-extend xop0 and xop1 from the
1015 widest mode in narrowing and widening operations.
1017 * config/mips/mips.md: Sign extend CONST_INTs.
1019 2001-05-06 Andreas Jaeger <aj@suse.de>
1021 * invoke.texi (Option Summary): Add -momit-leaf-frame-pointer
1022 (i386 Options): Document -momit-leaf-frame-pointer.
1024 2001-05-06 Neil Booth <neil@daikokuya.demon.co.uk>
1026 * c-typeck.c (internal_build_compound_expr): Check for
1027 array to pointer conversion just once.
1029 2001-05-05 Richard Henderson <rth@redhat.com>
1031 * integrate.c (copy_insn_list): Substitute NOTE_EXPECTED_VALUE.
1033 2001-05-05 Richard Henderson <rth@redhat.com>
1035 * except.c (remove_fixup_regions): Adjust REG_EH_REGION notes
1036 to the parent of the fixup region.
1038 2001-05-05 Jakub Jelinek <jakub@redhat.com>
1040 * gcc.c (cpp_options): Define __NO_INLINE__ unless we are honoring
1042 * cpp.texi (__NO_INLINE): Document it.
1044 2001-05-05 Neil Booth <neil@daikokuya.demon.co.uk>
1046 * cppfiles.c (struct include_file): New member err_no.
1047 (find_or_create_entry): Set it.
1048 (open_file): Don't set fds to -2. Instead, use err_no to
1049 remember previous errors, if any.
1051 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1053 * config/m68hc11/m68hc11.c (m68hc11_gen_movhi): Optimize moves
1054 between X and Y by using sequences of xgdx and xgdy.
1056 2001-05-05 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1058 * config/m68hc11/m68hc11.md ("*logicalsi3_silshr16"): Use '?' instead
1059 of '!' for the 'D' alternative ('!' is too strong).
1060 ("*logicalsi3_silshl16"): Likewise.
1061 ("movstricthi"): Accept 'A' when 'd' constraint, remove spurious '+'.
1062 ("movstrictsi"): Remove spurious '+'.
1063 ("movstrictqi"): Don't accept 'A' and remove spurious '+'.
1064 ("tstqi_1", "*lshrqi3_const1"): Put 'm' constraint before 'd'.
1065 ("subqi3"): Disparage with '!' the 'x' and 'y' registers to avoid
1068 2001-05-04 David Edelsohn <edelsohn@gnu.org>
1070 * calls.c (store_one_arg): Don't divide align by BITS_PER_UNIT.
1072 2001-05-04 Lars Brinkhoff <lars@nocrew.org>
1074 * simplify-rtx.c (simplify_binary_operation): Simplify ~a + 1
1077 2001-05-04 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1079 * config/rs6000/rs6000.md (ashldi3 splits): Guard with
1082 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1084 * config/m68hc11/m68hc11.md (lshrhi3_const1): Fix shift of
1085 soft register, use ror instead of rol.
1087 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1089 * config/m68hc11/m68hc11.c (m68hc11_check_z_replacement): Take
1090 into account pre/post increment decrement for 68HC12.
1091 Fix other problems in replacement and fix call to reg_mentioned_p.
1093 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1095 * config/m68hc11/larith.asm (L_regs_frame): New for _.frame.
1096 Put the soft registers in bss for 68HC12.
1097 (L_regs_d3_4): New for _.d3 and _.d4.
1098 (L_regs_d5_6): Likewise.
1099 (L_regs_d1_2): Likewise.
1100 * config/m68hc11/t-m68hc11-gas (T_CPPFLAGS): Compile new parts.
1102 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1104 * config/m68hc11/m68hc11.h (CPP_SPEC): Pass -D__HAVE_SHORT_DOUBLE__
1105 to the pre-processor when -fshort-double is specified.
1106 * config/m68hc11/m68hc11.2 (CPP_SPEC): Likewise.
1108 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1110 * config/m68hc11/larith.asm (divmodhi4): Empty for 68HC12.
1111 (__mulsi3): Rewrite for 68HC12.
1112 * config/m68hc11/m68hc11.md (divmodhi4): Use idivs for 68HC12.
1113 Mark 'x' constraint with earlyclobber to prevent a
1114 RELOAD_FOR_OTHER_ADDRESS to go in it.
1115 (mulhi3_m68hc12): New pattern.
1116 (mulhi3_m68hc11): Rename of mulhi3.
1117 (mulhi3): New expand for 68HC12 optimisation.
1118 (umulhisi3, mulhisi3): New patterns for 68HC12.
1120 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1122 * config/m68hc11/m68hc11.md (*tbne, *tbeq): New patterns for 68HC12.
1123 (extendqisi2, extendqihi2, extendhisi2): Use sex for 68HC12.
1124 (uminqi3, umaxqi3, uminhi3, umaxhi3): New pattern for 68HC12.
1126 2001-05-04 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1128 * config/m68hc11/m68hc11.h (CONST_COSTS): Make the cost of
1129 constants cheap after reload.
1130 * config/m68hc11/m68hc11.c (m68hc11_shift_cost): Shift by 16 and 32
1132 (m68hc11_rtx_costs): Cost of multiplication by 65536 is expensive
1133 so that gcc prefers a shift by 16.
1134 (m6811_cost, m6812_cost): Make the shift cheap compared to an add.
1136 2001-05-04 Nick Clifton <nickc@cambridge.redhat.com>
1138 * config/arm/elf.h (ASM_OUTPUT_ALIGNED_COMMON): Define.
1140 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1142 * alpha.h: NULL_PTR -> NULL.
1149 * i386.md: Likewise.
1152 * m68hc11.h: Likewise.
1153 * rs6000.h: Likewise.
1156 * sparc.h: Likewise.
1160 * final.c: Likewise.
1162 * recog.c: Likewise.
1164 2001-05-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1166 * i386.c (ix86_emit_restore_regs_using_mov, ix86_save_reg): Change
1167 `bool' parameter to `int'.
1169 * hash.c (hash_lookup): Likewise.
1171 * hash.h (hash_lookup): Likewise.
1173 * tlink.c (symbol_hash_lookup, demangled_hash_lookup): Likewise.
1175 Fri May 4 13:10:03 CEST 2001 Jan Hubicka <jh@suse.cz>
1177 * i386.c (x86_initialize_trampoline): Fix mode of constant.
1179 2001-05-03 Geoff Keating <geoffk@redhat.com>
1181 * invoke.texi (i386 Options): Delete references to -malign-jumps,
1182 -malign-loops, -malign-functions.
1183 * i386.c (ix86_align_funcs): Delete.
1184 (ix86_align_loops): Delete.
1185 (ix86_align_jumps): Delete.
1186 (override_options): Mark -malign-* as obsolete. Emulate their
1187 behaviour with the -falign-* options. Default -falign-* from
1188 the processor table.
1189 * i386.h (FUNCTION_BOUNDARY): Define to 16; revert Richard Kenner's
1190 patch of Wed May 2 13:09:36 2001.
1191 (LOOP_ALIGN): Delete.
1192 (LOOP_ALIGN_MAX_SKIP): Delete.
1193 (LABEL_ALIGN_AFTER_BARRIER): Delete.
1194 (LABEL_ALIGN_AFTER_BARRIER_MAX_SKIP): Delete.
1196 2001-05-04 Andreas Jaeger <aj@suse.de>
1198 * except.h: Add prototype declaration for
1199 expand_builtin_init_dwarf_reg_sizes.
1201 2001-05-03 Geoffrey Keating <geoffk@redhat.com>
1203 * Makefile.in (site.exp): Set TESTING_IN_BUILD_TREE.
1205 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1207 * config/m68hc11/m68hc11.md ("bitcmpqi"): New pattern for bitb
1209 ("bitcmpqi2"): New pattern for bit-extract and test.
1210 ("bitcmphi"): New pattern for bitb/bita instructions.
1212 2001-05-03 Joseph S. Myers <jsm28@cam.ac.uk>
1214 * gccbug.in: Use a temporary directory when the mktemp command is
1217 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1219 * config/m68hc11/m68hc11.h (STATIC_CHAIN_REGNUM): Use soft z register
1221 (INITIALIZE_TRAMPOLINE): Call it.
1222 (TRAMPOLINE_SIZE): Define according to 68HC11/68HC12.
1223 (TRAMPOLINE_TEMPLATE): Remove.
1224 * config/m68hc11/m68hc11.c (m68hc11_initialize_trampoline): New.
1225 * config/m68hc11/m68hc11-protos.h (m68hc11_initialize_trampoline):
1228 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1230 * config/t-freebsd: Don't install "assert.h" in gcc. Compile crtbeginS.o
1231 and crtendS.o with PIC.
1233 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1235 * config/m68hc11/larith.asm (__mulqi3): Fix multiplication of two
1237 (___subdi3, ___adddi3): Use x instead of y as index register.
1238 (__init_bss_section, __map_data_section): Optimize for 68HC12.
1239 (__memset, __memcpy): Likewise.
1240 (regs): Put the soft registers in bss for 68HC12.
1241 (abort): Use trap to abort for 68hc12.
1242 (__mulhi3, __mulhi32): Use emul for 68hc12.
1243 (__mulsi3): Avoid to use the tmp soft register for 68hc12.
1245 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1247 * config/m68hc11/m68hc11.h (LIMIT_RELOAD_CLASS): Don't define.
1248 * config/m68hc11/m68hc11-protos.h (limit_reload_class): Remove.
1249 * config/m68hc11/m68hc11.c (limit_reload_class): Remove.
1250 (m68hc11_override_options): Remove setting of flag_no_nonansi_builtin.
1251 Set 68HC12 min offset to -65536.
1252 (print_operand): Put parenthesis arround the operand if it refers
1253 to a symbol having the same name as a register.
1254 (m68hc11_z_replacement): When z register is replaced by its
1255 equivalent soft register, force the insn to be re-recognized.
1256 (m68hc11_check_z_replacement): Fix the test when destination is
1257 the index register and z dies in the insn.
1258 (m68hc11_reorg): Remove the REG_DEAD notes beforce recomputing them.
1260 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1262 * config/m68hc11/m68hc11.c (m68hc11_override_options): Initialize
1263 costs according to processor variant.
1264 (m68hc11_shift_cost): New function to compute shift costs.
1265 (m68hc11_rtx_costs): Define costs according to processor variant.
1266 (m6811_cost): Costs for 68HC11.
1267 (m6812_cost): Costs for 68HC12.
1268 (COSTS_N_INSNS): Remove.
1270 * config/m68hc11/m68hc11.h (RTX_COSTS): New.
1271 (DEFAULT_RTX_COSTS): Remove.
1272 (CONST_COSTS): Define costs according to OUTER_CODE.
1273 (processor_costs): New struct to define costs.
1274 (m68hc11_cost): Pointer to current costs.
1276 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1278 * config/m68hc11/m68hc11.md (*addhi3_68hc12): Fix generation
1279 and use m68hc11_notice_keep_cc when using leax/leay.
1280 (addhi3 split): Reject split if the insn is handled by
1282 * config/m68hc11/m68hc11.c (m68hc11_split_move): For 68HC12 the
1283 push must be handled in a special way if the source operand uses
1284 sp as index register.
1285 (m68hc11_notice_keep_cc): New function.
1286 (m68hc11_gen_movhi): Use it when an insn changes a register but
1288 (m68hc11_gen_movqi): Fix move for 68HC12.
1289 * config/m68hc11/m68hc11-protos.h (m68hc11_notice_keep_cc): Declare.
1291 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1293 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Use LCT_CONST
1294 and don't pass operands[0] to emit_library_call_value.
1296 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1298 * config/m68hc11/m68hc11.md (tsthi_1): Use cpd for 68HC12.
1299 (zero_extendsi split): Simplify and use (zero_extendhi).
1300 (*addhi3): Remove 'w' constraint since stack pointer is handled
1302 (*ashlhi3_2): Operand 2 is clobbered use '+' for its constraint.
1303 (*ashlhi3, *ashrhi3, *lshrhi3): Likewise.
1304 (*ashrhi3_const): Fix shift by 7.
1305 (*lshrsi3_const16): Fix template.
1306 (call, call_value): Fix constraint and predicate.
1308 2001-05-03 Stephane Carrez <Stephane.Carrez@worldnet.fr>
1310 * config/m68hc11/m68hc11.md (X_REGNUM, D_REGNUM): New constant.
1311 (Y_REGNUM, SP_REGNUM, PC_REGNUM, A_REGNUM, B_REGNUM): Likewise.
1312 (CC_REGNUM): Likewise.
1313 (*unnamed splits): Use above constants instead of hard coded numbers.
1314 (*adcq, *subcq, *addsi_carry, *rotlqi3_with_carry): Likewise.
1315 (*rotlhi3_with_carry, *rotrhi3_with_carry): Likewise.
1316 (*return_16bit, *unnamed peepholes): Likewise.
1318 2001-05-03 David O'Brien <obrien@FreeBSD.org>
1320 * config.gcc(rs6000-ibm-aix|powerpc-ibm-aix): Do not include
1321 rs6000/rs6000.h twice.
1323 2001-05-03 Mark Elbrecht <snowball3@bigfoot.com>
1325 * config/i386/djgpp.h (CPP_PREDEFINES): Define __GO32__.
1326 (CPP_SPEC): Conditionally define MSDOS and GO32.
1327 (SUBTARGET_SWITCHES): Ignore -mbnu210 and -mno-bnu210.
1328 (SUBTARGET_OVERRIDE_OPTIONS): Warn that -mbnu210 and -mno-bnu210 are
1330 (SUPPORTS_WEAK, SUPPORTS_ONE_ONLY): Remove.
1332 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1334 * config/mn10300/mn10300.md: Sign-extend GEN_INT operands.
1336 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1338 * integrate.h (struct inline_remap): Add leaf_reg_map table.
1339 * integrate.c (expand_inline_function): Use xcalloc to allocate
1341 (copy_rtx_and_substitute): Use the leaf_reg_map for leaf
1344 2001-05-03 Mark Mitchell <mark@codesourcery.com>
1346 * c-dump.c (dequeue_and_dump): Don't look at DECL_ASSEMBLER_NAME
1349 2001-05-03 Alexandre Oliva <aoliva@redhat.com>
1351 * config/mn10300/mn10300.h (LINK_SPEC): Pass --relax to the
1352 linker if -mrelax is given.
1353 (TARGET_SWITCHES): Document -mrelax.
1355 Re-installed 2001-01-09's patch:
1356 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
1357 if it's wider than long and the target's long is wider than the
1360 2001-05-02 David O'Brien <obrien@FreeBSD.org>
1362 * config.gcc, config/rs6000/aix51.h, config/rs6000/mach.h: Do not
1363 directly include rs6000/rs6000.h. Instead do it in tm.h.
1365 2001-05-02 Stan Shebs <shebs@apple.com>
1367 * objc/objc-act.c (STRING_OBJECT_CLASS_NAME): Default to
1368 NSConstantString for NeXT-style runtimes.
1369 (STRING_OBJECT_GLOBAL_NAME): New macro.
1370 (enum objc_tree_index): Add values OCTI_CNST_STR_GLOB_ID and
1371 OCTI_STRING_CLASS_DECL.
1372 (constant_string_global_id): New macro.
1373 (string_class_decl): Ditto.
1374 (setup_string_decl): New function.
1375 (build_objc_string_object): Use it to build a NeXT runtime
1376 compatible string initializer.
1378 2001-05-02 Jakub Jelinek <jakub@redhat.com>
1380 * tradcpp.c (do_define): Make sure we don't walk past limit.
1382 2000-05-01 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1384 * config/rs6000/rs6000.c (rs6000_legitimate_address): Allow any stack
1385 offsets if not REG_OK_STRICT.
1387 * config/rs6000/rs6000.h (REG_OK_STRICT_FLAG): New macro.
1388 (INT_REG_OK_FOR_INDEX_P): Likewise.
1389 (INT_REG_OK_FOR_BASE_P): Likewise.
1390 (REG_OK_FOR_INDEX_P): Use INT_REG_OK_FOR_INDEX_P.
1391 (REG_OK_FOR_BASE_P): Use INT_REG_OK_FOR_BASE_P.
1392 (LEGITIMATE_OFFSET_ADDRESS_P): Use INT_REG_OK_FOR_INDEX_P and
1393 INT_REG_OK_FOR_BASE_P instead of REG_OK_FOR_INDEX_P and
1394 REG_OK_FOR_BASE_P. Take an additional parameter.
1395 (LEGITIMATE_INDEXED_ADDRESS_P): Likeewise.
1396 (LEGITIMATE_INDIRECT_ADDRESS_P): Likewise.
1397 (LEGITIMATE_LO_SUM_ADDRESS_P): Likewise.
1398 (GO_IF_LEGITIMATE_ADDRESS): Move code into new function
1399 rs6000_legitimate_address() and use it.
1400 * config/rs6000/rs6000.c: Update all callers.
1401 (rs6000_legitimate_address): New function.
1403 2001-05-02 David Edelsohn <edelsohn@gnu.org>
1405 * config/rs6000/rs6000.c (rs6000_emit_move): Merge
1406 special_constant conditional blocks together.
1408 2001-05-02 Dale Johannesen <dalej@apple.com>
1410 * config/rs6000/rs6000.h (RS6000_ARG_SIZE): Remove unused NAMED
1412 (STRICT_ARGUMENT_NAMING): Define.
1413 * config/rs6000/rs6000.c (function_arg_advance, function_arg,
1414 function_arg_partial_nregs, setup_incoming_varargs): Remove
1415 args logic which depends on "named" now that STRICT_ARGUMENT_NAMING
1418 Wed May 2 13:09:36 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1420 * config/i386/i386.h (FUNCTION_BOUNDARY): Result is unsigned.
1422 * function.c (fixup_var_regs_1, case SUBREG): Use promoted mode
1425 * expr.c (store_field): Do nothing except elaborate side-effects if
1428 2001-05-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1430 * c-lex.c: NULL_PTR -> NULL.
1432 * emit-rtl.c: Likewise.
1434 * genpeep.c: Likewise.
1436 * mips-tdump.c: Likewise.
1437 * reload1.c: Likewise.
1438 * rtlanal.c: Likewise.
1440 * stor-layout.c: Likewise.
1441 * toplev.c: Likewise.
1443 2001-05-01 Per Bothner <per@bothner.com>
1445 * expr.c (expand_expr): When compiling LABELED_BLOCK_EXPR,
1446 call do_pending_stack_adjust before emiting label.
1448 2001-05-01 Mark Mitchell <mark@codesourcery.com>
1450 * extend.texi: Fix typo.
1452 2001-05-01 Stan Shebs <shebs@apple.com>
1454 * objc/objc-act.c (build_module_descriptor): Clear DECL_CONTEXT
1455 of UOBJC_MODULES_decl.
1456 (generate_strings): Clear DECL_CONTEXT of new decl nodes.
1457 (generate_descriptor_table): Ditto.
1458 (generate_protocols): Ditto.
1459 (generate_protocol_list): Ditto.
1460 (generate_classref_translation_entry): Ditto.
1462 2001-05-01 Jeffrey Oldham <oldham@codesourcery.com>
1464 * invoke.texi (Optimize Options): Add documentation for `--param
1465 max-delay-slot-insn-search' and `--param
1466 max-delay-slot-live-search' and reorder --param section.
1467 * params.def: Modify initial comment.
1468 * params.h (param_info): Add `help' member.
1469 * toplev.c (lang_independent_params): Include `help' description.
1470 (display_help): Print --param parameters.
1472 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1474 * config.gcc: Don't default xmake_file to ${cpu_type}/x-${cpu_type}.
1475 Remove references to deleted files.
1476 (*-*-openbsd): No need to override xmake_file.
1477 (*-*-sysv4): Treat like *-*-sysv.
1479 * configure.in: Probe for ldopen in various places, and set up
1480 collect2 to be linked with them if found.
1481 Don't dink with Windows registry stuff unless $host_os is a
1482 Win32 os name. Check to see if we need -ladvapi32.
1483 * configure: Regenerate.
1485 * Makefile: Get rid of CLIB and HOST_CLIB.
1486 Substitute in COLLECT2_LIBS and link collect2 against its contents.
1487 * build-make: Get rid of HOST_CLIB.
1489 * config/a29k/x-unix, config/alpha/x-osf, config/i386/x-aix,
1490 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
1491 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
1492 config/mips/x-sysv, config/rs6000/x-aix31, config/rs6000/x-aix41,
1493 config/rs6000/x-rs6000: Delete.
1495 * config/i386/x-cygwin, config/m68k/t-aux, config/mips/x-iris:
1498 24 x-host fragments remain, 0 x-cpu, 3 top level.
1500 2001-05-01 Zack Weinberg <zackw@stanford.edu>
1502 * aclocal.m4 (gcc_AC_C_CHAR_BIT): Correct test program.
1503 * configure: Regenerate.
1505 2001-05-01 Angela Marie Thomas <angela@cygnus.com>
1507 * Makefile.in (install-headers): Remove redundant dependency.
1509 2001-05-01 Nathan Sidwell <nathan@codesourcery.com>
1511 * c-tree.texi (USING_STMT): Document.
1513 2001-05-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1515 * bitmap.c: Change NULL_PTR to NULL or "(rtx*)0".
1516 * c-common.c: Likewise.
1517 * c-decl.c: Likewise.
1518 * combine.c: Likewise.
1519 * rs6000.c: Likewise.
1520 * except.c: Likewise.
1521 * explow.c: Likewise.
1523 * fold-const.c: Likewise.
1524 * function.c: Likewise.
1527 * integrate.c: Likewise.
1529 * objc/objc-act.c: Likewise.
1530 * recog.c: Likewise.
1531 * reg-stack.c: Likewise.
1532 * reload.c: Likewise.
1533 * reload1.c: Likewise.
1534 * simplify-rtx.c: Likewise.
1536 * varasm.c: Likewise.
1538 2001-05-01 Gabriel Dos Reis <gdr@codesourcery.com>
1540 * diagnostic.def: New file.
1541 * diagnostic.h (diagnostic_t): New enum.
1542 * Makefile.in (diagnostic.o): Depend on diagnostic.def
1544 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1546 * tsystem.h: Test only POSIX for availability of string.h
1548 * config.gcc (all systems): If USG appeared in xm_defines,
1549 change it to POSIX. If both USG and POSIX appeared, just
1550 delete USG. Remove unnecessary quotes around xm_defines
1552 (m68k-crds-unos*): Don't #define unos - tested nowhere.
1553 (m68k-apple-aux*): Don't #define AUX - tested nowhere.
1554 (alpha*-*-linux*ecoff*, powerpc-*-linux*libc1,
1555 powerpc-*-linux*): No need to set xm_defines - handled by
1556 global settings for *-*-linux*.
1558 2001-04-30 Zack Weinberg <zackw@stanford.edu>
1560 * dbxout.c, mips-tfile.c, config/mips/mips.c, xcoffout.c:
1561 Always include gstab.h, not system stab.h. Don't provide
1562 default definitions of N_CATCH or N_OPT. Always use the
1563 gstab.h variant of STAB_CODE_TYPE.
1564 * final.c: Don't include stab.h/gstab.h at all, or provide
1565 defaults for N_SLINE and N_SOL.
1567 * xcoffout.c: Can assume N_MAIN, N_DSLINE, N_BSLINE, N_BINCL,
1568 N_EINCL, N_EXCL, N_M2C, N_SCOPE, N_CATCH, and N_OPT are
1570 * sdbout.c: Always include gsyms.h instead of system syms.h.
1572 * configure.in: No need to check for stab.h.
1573 * configure, config.in: Regenerate.
1574 * Makefile.in (final.o): Don't depend on gstab.h.
1576 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1577 Richard Henderson <rth@redhat.com>
1579 * extend.texi: Improve documentation of volatile asms.
1581 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1583 * c-tree.texi: Fix thinko.
1584 * gcc.texi: Likewise.
1586 2001-04-30 Richard Henderson <rth@redhat.com>
1588 * c-common.c (c_promoting_integer_type_p): New function, from the
1589 corpse of old macro. Properly promote too-small enumerations and
1590 booleans. Adjust all callers.
1591 * c-common.h (C_PROMOTING_INTEGER_TYPE_P): Remove.
1592 (c_promoting_integer_type_p): Declare.
1593 * c-decl.c: Adjust C_PROMOTING_INTEGER_TYPE_P invocations.
1594 * c-typeck.c: Likewise.
1595 (default_conversion): Remove now redundant boolean check.
1597 2001-04-30 Jan Hubicka <jh@suse.cz>
1598 Richard Henderson <rth@redhat.com>
1600 * regmove.c (try_apply_stack_adjustment): Remove now redundant
1602 (combine_stack_adjustments_for_block): Don't combine stack
1603 allocation followed by deallocations. Handle grow-up stacks.
1605 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1607 * fdl.texi: New file.
1608 * c-tree.texi: Use the GFDL.
1609 * gcc.texi: Likewise.
1611 2001-04-30 Stan Shebs <shebs@apple.com>
1613 * invoke.texi: Add a section documenting Objective-C options.
1615 2001-04-27 Andrew Haley <aph@cambridge.redhat.com>
1617 * emit-rtl.c (try_split): Copy EH notes to sequence.
1619 2001-04-30 Mark Mitchell <mark@codesourcery.com>
1621 * regmove.c (record_stack_memrefs): Catch all references to the
1624 2001-04-29 Toomas Rosin <toomas at ns dot tklabor dot ee>
1626 * Makefile.in (stmp-fixinc): quote shell assignment values
1628 2001-04-29 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1630 * c-aux-info.c: NULL_PTR->NULL in calls to `concat'.
1634 * prefix.c: Likewise.
1636 2001-04-28 Stan Shebs <shebs@apple.com>
1638 * objc/objc-act.c (handle_class_ref): Rewrite to flush target
1639 specific code and use new macro ASM_DECLARE_UNRESOLVED_REFERENCE.
1640 * config/darwin.h (ASM_DECLARE_UNRESOLVED_REFERENCE): Define.
1641 * tm.texi (ASM_DECLARE_UNRESOLVED_REFERENCE): Document.
1643 * config/darwin.h (STANDARD_EXEC_PREFIX): Don't define.
1644 (NEXT_OBJC_RUNTIME): Define.
1646 Sat Apr 28 21:02:58 CEST 2001 Jan Hubicka <jh@suse.cz>
1648 * rtl.h (simplify_gen_relational): Add cmp_mode parameter.
1649 * simplify-rtx.c (simplify_gen_relational): Likewise.
1651 * simplify-rtx.c (simplify_replace_rtx): Handle relationals and MEMs.
1653 * i386.h (VALID_SSE_REG_MODE): Accept MMX modes if SSE2
1654 * i386.md (movsi_1, movdi2, movdi_1_rex64): Handle SSE2 moves.
1656 * i386.md (negsf2, negdf2, abssf2, absdf2): Force operands to
1657 registers in SSE case; fix handling of the immediates.
1658 (negsf2_ifs, abssf2_ifs): Tweak constraints; require
1659 operands to be in regsiters before reload.
1660 (negdf2_ifs, absdf2_ifs): Likewise; disable for 64bit
1661 (negdf2_ifs_rex64, absdf2_ifs_rtx64): New.
1662 (abstf,absxf,negtf,negxf splitters): Compute
1663 properly the regnum for x86_64.
1664 (avsdf2_if_rex64): New.
1666 Sat Apr 28 10:36:23 2001 Jeffrey A Law (law@cygnus.com)
1668 * flow.c (propagate_block_delete_insn): Handle deletion of ADDR_VEC
1669 and ADDR_DIFF_VEC insns when the proceeding CODE_LABEL was put
1670 into the constant pool.
1671 * jump.c (jump_optimize_1): Remove barrier successors after all
1672 the LABEL_NUSES counds have been computed.
1673 (delete_barrier_successors): When deleting a tablejump insn, also
1674 delete the jump table it uses.
1675 * varasm.c (force_const_mem): Set LABEL_PRESERVE_P when forcing a
1678 2001-04-28 Martin Kalen <martin.kalen@todaysystems.com.au>
1680 * pa.c (FRP): Remove erroneous white space in macro definition.
1682 2001-04-28 Andreas Jaeger <aj@suse.de>
1684 * invoke.texi: Use XX-bit instead of XXbit or XX bit where
1686 * extend.texi: Likewise.
1687 * tm.texi: Likewise.
1689 2001-04-28 Andreas Jaeger <aj@suse.de>
1691 * md.texi: Use XX-bit instead of XXbit or XX bit where
1694 2001-04-28 Jens Schweikhardt <schweikh@schweikhardt.net>
1696 * gcc.c (process_command): Allow -l lib in addition to -llib
1697 for POSIX compliance. This fixes PR c/2347.
1699 * invoke.texi: Update section on Link Options accordingly.
1701 2001-04-27 Zack Weinberg <zackw@stanford.edu>
1703 * function.c (purge_addressof_1): Remove the duplicate
1704 if (code == SET) block. Fold the two if (code == ADDRESSOF)
1707 2001-04-28 Jason Merrill <jason_merrill@redhat.com>
1709 * except.c (expand_eh_region_start): Don't start a new block.
1710 (expand_eh_region_end): Don't end a block.
1711 * stmt.c (expand_end_bindings): Don't end EH blocks.
1712 (expand_decl_cleanup): Starting an EH region won't change the block.
1713 (mark_block_as_eh_region, mark_block_as_not_eh_region): Lose.
1714 (is_eh_region): Lose.
1717 2001-04-27 Jeffrey Oldham <oldham@codesourcery.com>
1719 * except.c (expand_eh_region_end_cleanup): word_mode, not Pmode.
1721 * collect2.c (main): Add `-L' case to remove duplicate entries.
1722 (is_in_args): New function to check for a duplicate argument.
1723 * defaults.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New macro.
1724 * tm.texi (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES): New documentation.
1725 * config/mips/iris6.h (LINK_ELIMINATE_DUPLICATE_LDIRECTORIES):
1726 Define to be nonzero.
1728 2001-04-27 Andreas Jaeger <aj@suse.de>
1729 Richard Henderson <rth@redhat.com>
1731 * md.texi (Machine Constraints): Document additional i386
1732 constraints and fix description of "A".
1734 Fri Apr 27 10:43:49 2001 Jeffrey A Law (law@cygnus.com)
1736 * tm.texi (TARGET_MEM_FUNCTIONS): Update text.
1738 2001-04-27 Jason Merrill <jason_merrill@redhat.com>
1740 * except.c (get_exception_filter): word_mode, not Pmode.
1742 2001-04-26 Geoffrey Keating <geoffk@redhat.com>
1744 * config/sparc/sparc.md (movsf_no_f_insn): Add more alternatives
1745 common to other movsf patterns. Move up so that in future
1746 people who change the other patterns will change it too.
1747 (movsf_lo_sum): Allow even for soft-float; add appropriate
1749 (movsf_high): Likewise.
1750 (movsf_high+1): Allow even for soft-float.
1752 * function.c (expand_function_end): Always clobber the
1753 return registers, even if there is no return label.
1755 Thu Apr 26 20:28:21 CEST 2001 Jan Hubicka <jh@suse.cz>
1757 * (ix86_expand_fp_movcc): Re-enable SSE conditional move generation.
1759 Thu Apr 26 19:20:28 CEST 2001 Jan Hubicka <jh@suse.cz>
1761 * i386.md (abs/neg splitter): Fix calculation of sign bit for TFmodes
1762 (pushqi2_rex64, pushhi2_rex64): Add.
1764 2001-04-26 Andrew Haley <aph@cambridge.redhat.com>
1766 * except.c (expand_eh_region_end_cleanup): Force pending stack
1767 adjust before emitting label that branches around cleanup code.
1769 2001-04-26 H.J. Lu (hjl@gnu.org)
1771 * config.gcc (mips*-*-linux*): Add elfos.h to tm_file.
1773 * config/mips/ecoff.h (STARTFILE_SPEC): Undefine before
1775 * config/mips/elf64.h (MAX_OFILE_ALIGNMENT): Likewise.
1776 (ASM_OUTPUT_SECTION_NAME): Likewise.
1777 (ASM_WEAKEN_LABEL): Likewise.
1778 (UNIQUE_SECTION): Likewise.
1779 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1780 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1781 * config/mips/elf.h (MAX_OFILE_ALIGNMENT): Likewise.
1782 (ASM_OUTPUT_SECTION_NAME): Likewise.
1783 (ASM_WEAKEN_LABEL): Likewise.
1784 (UNIQUE_SECTION): Likewise.
1785 (ASM_OUTPUT_CONSTRUCTOR): Likewise.
1786 (ASM_OUTPUT_DESTRUCTOR): Likewise.
1787 * config/mips/linux.h (HANDLE_SYSV_PRAGMA): Likewise.
1788 * config/mips/mips.h (DBX_CONTIN_LENGTH): Likewise.
1789 (ASM_FILE_START): Likewise.
1790 (ASM_OUTPUT_SOURCE_LINE): Likewise.
1791 (ASM_DECLARE_OBJECT_NAME): Likewise.
1792 (ASM_FILE_END): Likewise.
1793 (ASM_DECLARE_FUNCTION_NAME): Likewise.
1794 (ASM_OUTPUT_INTERNAL_LABEL): Likewise.
1795 (ASM_GENERATE_INTERNAL_LABEL): Likewise.
1796 (ASM_OUTPUT_CASE_LABEL): Likewise.
1797 (ASM_OUTPUT_SKIP): Likewise.
1798 (ASM_OUTPUT_ASCII): Likewise.
1799 (ASM_OUTPUT_IDENT): Likewise.
1800 (READONLY_DATA_SECTION): Likewise.
1801 (EXTRA_SECTIONS): Likewise.
1802 (EXTRA_SECTION_FUNCTIONS): Likewise.
1803 (SELECT_RTX_SECTION): Likewise.
1804 (SELECT_SECTION): Likewise.
1806 * config/mips/linux.h (INVOKE__main): Undefine.
1807 (CTOR_LIST_BEGIN): Likewise.
1808 (CTOR_LIST_END): Likewise.
1809 (DTOR_LIST_BEGIN): Likewise.
1810 (DTOR_LIST_END): Likewise.
1811 (SET_ASM_OP): Defined it to ".dummy".
1812 (ASM_OUTPUT_DEF): Defined.
1813 (ASM_OUTPUT_DEFINE_LABEL_DIFFERENCE_SYMBOL): Defined.
1815 2001-04-26 Nick Clifton <nickc@cambridge.redhat.com>
1817 * config/arm/arm.h (ASM_OUTPUT_MAX_SKIP_ALIGN): Define, if the
1818 assembler supports .p2align.
1820 2001-04-26 Nathan Sidwell <nathan@codesourcery.com>
1822 * c-lex.c (c_lex): Remove # from %o diagnostic formatting.
1824 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1826 * integrate.c (expand_inline_function): Check for error_mark_node
1829 2001-04-26 Jakub Jelinek <jakub@redhat.com>
1831 * config/i386/i386.h (CC1_CPU_SPEC): Fix deprecation warnings for
1834 2001-04-26 Alexandre Oliva <aoliva@redhat.com>
1836 * configure.in (configargs.h): Define thread_model.
1837 * configure: Rebuilt.
1838 * gcc.c (main): Print it with -v.
1840 2001-04-25 Joseph S. Myers <jsm28@cam.ac.uk>
1842 * invoke.texi: Document -Wmissing-braces, -dumpspecs,
1843 -dumpmachine, -dumpversion, -fmem-report and -ftime-report.
1844 * gcc.1: Regenerate.
1846 2001-04-25 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1848 * dwarfout.c (is_pseudo_reg, type_main_variant, is_tagged_type,
1849 is_redundant_typedef): Use static inline instead of inline static.
1851 Wed Apr 25 18:21:01 2001 Christopher Faylor <cgf@cygnus.com>
1853 * config/i386/cygwin.h: Move W32API search to LINK_SPEC to ensure that
1854 this directory is always searched.
1856 2001-04-25 Richard Henderson <rth@redhat.com>
1858 * config/i386/i386.c (ix86_expand_epilogue): Properly compute size
1859 of registers to restore along non eh_return path.
1861 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1863 * c-format.c (check_format_info_recurse): Handle
1864 PLUS_EXPR for format string.
1866 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1868 * config/ia64/ia64.h (CC1_SPEC): Define.
1869 * config/ia64/linux.h (CC1_SPEC): Define.
1871 Wed Apr 25 17:09:50 2001 J"orn Rennecke <amylaar@redhat.com>
1873 * emit-rtl.c (constant_subword): Also do sign extension in
1874 BITS_PER_WORD == 16 case.
1876 2001-04-25 Jason Merrill <jason_merrill@redhat.com>
1878 * loop.c (try_swap_copy_prop): Go back to checking insn.
1880 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1882 * emit-rtl.c (subreg_hard_regno): Only do HARD_REGNO_MODE_OK check
1883 if check_mode is non-zero.
1885 2001-04-25 Jakub Jelinek <jakub@redhat.com>
1887 * config/i386/i386.c (ix86_expand_int_movcc): If overlap between
1888 out and comparison sequence has been detected, put result into
1889 proper temporary pseudo.
1891 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1893 * Makefile.in (LIB2FUNCS): Remove _varargs and __dummy.
1894 * libgcc-std.ver: Remove __builtin_saveregs, __dummy, and __empty.
1895 * libgcc2.c: Remove __dummy and __builtin_saveregs.
1896 * libgcc2.h: Don't prototype __builtin_saveregs or __dummy.
1897 * config/i860/varargs.asm: New file - preserve i860 __builtin_saveregs
1898 for future reference.
1900 2001-04-24 Jason Merrill <jason_merrill@redhat.com>
1902 * except.c (reachable_handlers): Step out one level from a RESX.
1904 * except.c (struct eh_region): Rename 'last' to 'resume'.
1905 (mark_eh_region, duplicate_eh_region_1): Adjust.
1906 (expand_eh_region_end_cleanup): Remember the jump, not the barrier.
1907 (build_post_landing_pads): Likewise.
1908 (expand_end_catch, expand_eh_region_end_allowed): Don't set it.
1909 (expand_eh_region_end_must_not_throw): Likewise.
1910 (connect_post_landing_pads): Thread (only) regions with non-deleted
1913 * except.c (expand_eh_region_end_cleanup): Save the EH return data
1914 registers around the cleanup.
1915 (get_exception_filter): New fn.
1916 (finish_eh_generation): Use it.
1918 2001-04-24 Nathan Sidwell <nathan@codesourcery.com>
1920 * c-semantics.c (add_scope_stmt): Don't call
1921 current_scope_stmt_stack multiple times.
1923 2001-04-24 Zack Weinberg <zackw@stanford.edu>
1924 Nathan Sidwell <nathan@codesourcery.com>
1926 Lazy __FUNCTION__ generation.
1927 * c-common.h (RID_FUNCTION_NAME, RID_PRETTY_FUNCTION_NAME,
1928 RID_C99_FUNCTION_NAME): New _RIDs.
1929 (CTI_FUNCTION_ID, CTI_PRETTY_FUNCTION_ID, CTI_FUNC_ID): Remove.
1930 (CTI_FUNCTION_NAME_DECL, CTI_PRETTY_FUNCTION_NAME_DECL,
1931 CTI_C99_FUNCTION_NAME_DECL, CTI_SAVED_FUNCTION_NAME_DECLS): New
1933 (function_id_node, pretty_function_id_node, func_id_node): Remove.
1934 (c99_function_name_decl_node, function_name_decl_node,
1935 pretty_function_name_decl_node, saved_function_name_decls):
1937 (struct language_function): Remove x_function_name_declared_p.
1938 (make_fname_decl): Remove a parameter.
1939 (declare_function_names): Remove prototype.
1940 (start_fname_decls, finish_fname_decls): Prototype.
1941 (fname_as_string): Likewise.
1942 (fname_string, fname_decl): Likewise.
1943 * c-common.c (make_fname_decl): Adjust.
1944 (struct fname_var_t): New struct.
1945 (fname_vars): New static array.
1946 (declare_function_name): Remove.
1947 (start_fname_decls, finish_fname_decls): New functions.
1948 (fname_as_string): New function from remnants of
1949 declare_function_name.
1950 (fname_string, fname_decl): New functions.
1952 * c-decl.c (c_function_name_declared_p): Remove.
1953 (init_decl_processing): Don't generate __FUNCTION__ et al ids,
1954 don't call declare_function_name. Call start_fname_decls.
1955 (c_make_fname_decl): Adjust parameters. Generate the name. Don't
1956 clobber the line number. Call finish_decl.
1957 (start_function): Call start_fname_decls.
1958 (finish_function): Call finish_fname_decls.
1959 Remove c_function_name_declared_p.
1960 (push_c_function_context): Don't push c_function_name_declared_p.
1961 (pop_c_function_context): Don't pop c_function_name_declared_p.
1962 (c_begin_compound_stmt): Don't check c_function_name_declared_p.
1963 * c-parse.in (STRING_FUNC_NAME, VAR_FUNC_NAME): New tokens.
1964 (program): Call finish_fname_decls for C.
1965 (primary): Add VAR_FUNC_NAME.
1966 (reswords): Add slots for __FUNCTION__ et al.
1967 (rid_to_yy): Add mappings for __FUNCTION__ et al.
1968 (yylexname): If it's a STRING_FUNC_NAME generate the function name
1969 now. Don't look for VAR_DECLs containing __FUNCTION__ et al.
1970 * c-semantics.c (prune_unused_decls): Remove.
1971 (finish_stmt_tree): Don't call prune_unused_decls.
1972 (genrtl_decl_stmt): Don't prune unused decls here.
1974 2001-04-24 Nick Clifton <nickc@cambridge.redhat.com>
1976 * dwarf2out.c (mem_loc_descriptor): If a SYMBOL_REF is in the
1977 constant pool, use the pool's SYMBOL_REF instead.
1979 * config/v850/v850.h (STRICT_ALIGNMENT): Always set, even for the
1982 2001-04-23 Joseph S. Myers <jsm28@cam.ac.uk>
1984 * c-convert.c (convert): When converting to a BOOLEAN_TYPE, avoid
1985 passing nested NOP_EXPRs to fold.
1987 Mon Apr 23 14:32:12 CEST 2001 Jan Hubicka <jh@suse.cz>
1989 * reg-stack.c (emit_swap_insn): Do not get pass CALL_INSNs.
1991 2001-04-22 Mark Mitchell <mark@codesourcery.com>
1993 * loop.c (loop_delete_insns): Add prototype.
1995 2001-04-23 Phil Edwards <pme@sources.redhat.com>
1997 * configure.in: Remove ENABLE_STD_NAMESPACE.
1998 * config.in: Regenerated.
1999 * configure: Regenerated.
2001 2001-04-22 Stan Shebs <shebs@apple.com>
2003 * config.gcc (powerpc-*-darwin*): Move the flag in xm-darwin.h
2005 * config/rs6000/xm-darwin.h: Remove file.
2007 2001-04-22 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2009 * collect2.c (main): Use concat in lieu of xmalloc/sprintf.
2010 (write_c_file_stat): Likewise.
2012 * dbxout.c (dbxout_init): Likewise.
2014 * profile.c (output_func_start_profiler): Likewise.
2016 2001-04-22 Philipp Thomas <pthomas@suse.de>
2018 * ABOUT-GCC-NLS: Now that gettext 0.10.37 is out,
2019 require it instead of the CVS version.
2020 * cpperror.c (v_message): Put a blank before the macro
2021 body to not confuse exgettext.
2023 2001-04-21 Mark Mitchell <mark@codesourcery.com>
2025 * flow.c (proagate_one_insn): Remove useless assignment.
2026 * jump.c (delete_insn): Tidy.
2027 * loop.c (try_copy_prop): When deleting an instruction with a
2028 REG_RETVAL note, delete the entire libcall sequence.
2029 (loop_delete_insns): New function.
2030 * unroll.c (initial_reg_note_copy): Copy INSN_LIST notes, even if
2031 we're not substituting into them yet.
2033 2001-04-21 Kazu Hirata <kazu@hxi.com>
2035 * config/h8300/h8300.c (general_operand_src): Fix a comment typo.
2037 * config/sparc/sparc.c (sparc_flat_eligible_for_epilogue_delay):
2039 * config/i960/i960.c (signed_arith_operand): Likewise.
2041 * calls.c (expand_call): Fix a comment typo.
2043 2001-04-20 Zack Weinberg <zackw@stanford.edu>
2045 * configure.in: Probe for times, clock, struct tms, and clock_t.
2046 * configure, config.in: Regenerate.
2047 * timevar.c: Replace ifdef forest in get_time with (relatively)
2048 straightforward series of checks based on autoconf's probes.
2050 Fri Apr 20 12:24:50 2001 Jeffrey A Law (law@cygnus.com)
2052 * config/pa/som.h (NM_FLAGS): Define.
2054 2001-04-20 Bernd Schmidt <bernds@redhat.com>
2056 * ia64.h (MD_SCHED_REORDER, MD_SCHED_REORDER2): Pass CLOCK to called
2058 * ia64-protos.h (ia64_sched_reorder): Additional arg for clock.
2059 * ia64.c (nop_cycles_until): New function.
2060 (prev_cycle, prev_first, last_issued): New static variables.
2061 (ia64_sched_reorder): Additional arg for clock.
2062 On final scheduling pass, emit extra NOPs as needed.
2063 Set prev_first and prev_cycle.
2064 (ia64_sched_reorder2): Pass clock arg down to ia64_sched_reorder.
2065 (ia64_variable_issue): Set last_issued.
2067 2001-04-20 Alexandre Oliva <aoliva@redhat.com>
2069 * config/i386/i386.c (ix86_expand_int_movcc,
2070 ix86_expand_strlensi_unroll_1): Sign-extend CONST_INTs.
2072 2001-04-20 Geoff Keating <geoffk@redhat.com>
2074 * config/rs6000/rs6000.md (ctrsi_internal1, ctrsi_internal2,
2075 ctrsi_internal3, ctrsi_internal4, ctrsi_internal5,
2076 ctrsi_internal6, ctrdi_internal1, ctrdi_internal2,
2077 ctrdi_internal3, ctrdi_internal4, ctrdi_internal5,
2078 ctrdi_internal6): In the short-branch case, this insn is only 4
2079 bytes long. Reported by Reza Yazdani <reza@apple.com>.
2081 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2083 * reg-stack.c (check_asm_stack_operands): Issue error if "=t" resp.
2084 "=u" is used together with "st" resp. "st(1)" clobber.
2086 2001-04-20 Jakub Jelinek <jakub@redhat.com>
2088 * gcse.c (gcse_main): Fix comment typo.
2089 (delete_null_pointer_check): Likewise.
2090 (hash_scan_set): Don't consider sets with REG_EQUIV MEM notes.
2091 * cse.c (cse_insn): Likewise.
2092 * function.c (fixup_var_refs_insns_with_hash): The sequence is
2095 2001-04-19 Zack Weinberg <zackw@stanford.edu>
2097 * toplev.c: Excise all code for the undocumented -dm option.
2098 (float_signal): Call signal just once, unconditionally.
2100 2001-04-19 Geoff Keating <geoffk@redhat.com>
2102 * fold-const.c (fold): Use first_rtl_op rather than
2103 TREE_CODE_LENGTH when looping over parameters of a tree.
2104 Correct strange grouping in test for evaluated SAVE_EXPR.
2106 Thu Apr 19 19:15:26 2001 Jeffrey A Law (law@cygnus.com)
2108 * config/pa/pa-linux.h (CPLUSPLUS_CPP_SPEC): Undefine.
2109 * config/pa/pa.h (CPLUSPLuS_CPP_SPEC): Define.
2111 * config/pa/som.h (ASM_OUTPUT_FUNCTION_PREFIX): Truncate subspace
2112 name at 32 total characters.
2113 (ASM_OUTPUT_SECTION_NAME): Similarly. Also, only support placing
2114 functions in named sections -- data items can still go into unique
2115 sections, but they have normal names (ie $LIT$ and $DATA$).
2117 * config/pa/som.h (SUPPORTS_INIT_PRIORITY): SOM does not support
2120 2001-04-19 DJ Delorie <dj@redhat.com>
2122 * config/alpha/vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2123 to TARGET_OBJECT_SUFFIX and TARGET_EXECUTABLE_SUFFIX.
2124 * config/i386/cygwin.h: Likewise.
2125 * config/i386/mingw32.h: Likewise.
2126 * config/vax/vms.h: Likewise.
2127 * config/i386/djgpp.h: Remove NO_AUTO_EXE_SUFFIX.
2129 * config/alpha/xm-vms.h: Change OBJECT_SUFFIX and EXECUTABLE_SUFFIX
2130 to HOST_OBJECT_SUFFIX and HOST_EXECUTABLE_SUFFIX.
2131 * config/i386/xm-cygwin.h: Likewise.
2132 * config/i386/xm-djgpp.h: Likewise.
2133 * config/i386/xm-mingw32.h: Likewise.
2134 * config/vax/xm-vms.h: Likewise.
2136 * mkdeps.c (deps_add_default_target): Use TARGET_OBJECT_SUFFIX
2137 instead of OBJECT_SUFFIX.
2138 * collect2.c (find_a_file): Look for files matching the extension
2139 HOST_EXECUTABLE_SUFFIX instead of EXECUTABLE_SUFFIX.
2140 * gcc.c (DEFAULT_SWITCH_CURTAILS_COMPILATION): Depend on
2141 TARGET_EXECUTABLE_SUFFIX.
2142 (find_a_file): Use HOST_EXECUTABLE_SUFFIX.
2143 (make_relative_prefix): Likewise.
2144 (convert_filename): Use TARGET_ suffixes throughout. Remove
2146 (process_command): Likewise.
2147 (do_spec_1): Likewise.
2148 * java/lang.c (init_parse): Likewise.
2150 * gcc.texi : Document four new options matching the pattern
2151 (HOST|TARGET)_(OBJECT|EXECUTABLE)_SUFFIX. Remove documentation
2152 for deleted macros OBJECT_SUFFIX and EXECUTABLE_SUFFIX. Remove
2153 documentation for NO_AUTO_EXE_SUFFIX.
2155 2001-04-19 Mark Mitchell <mark@codesourcery.com>
2157 * toplev.h (struct lang_hooks): Allow decode_option to indicate
2158 that language-independent processing should not be done.
2159 * toplev.c (main): Adjust accordingly.
2161 * rtl.texi (jump_insn): Expand on JUMP_LABEL documentation.
2162 * loop.c (load_mems): Handle a NULL JUMP_LABEL for a JUMP_INSN.
2164 * mips.md (reload_outputdi): Require that operand0 be a
2167 2001-04-19 Jakub Jelinek <jakub@redhat.com>
2169 * invoke.texi (-Wshadow): Clarify.
2171 2001-04-18 Mark Mitchell <mark@codesourcery.com>
2173 * loop.c (load_mems): Examine all the instructions in the loop
2174 before concluding that all jumps branch to the first instruction
2177 Wed Apr 18 20:32:03 2001 Christopher Faylor <cgf@cygnus.com>
2179 * config/i386/xm-cygwin.h (CPP_SPEC): Fix typo.
2181 2001-04-18 Jakub Jelinek <jakub@redhat.com>
2183 * cpp.texi (-Wwhite-space): Remove.
2184 (-Wall): -Wall does not imply -Wwhite-space.
2186 2001-04-17 Zack Weinberg <zackw@stanford.edu>
2188 * dbxout.c (dbxout_init): If DBX_OUTPUT_GCC_MARKER is defined,
2189 use it instead of blindly generating a .stabs.
2190 * xcoffout.h: Define DBX_OUTPUT_GCC_MARKER so we put the type
2192 * xcoffout.c: Don't bother defining default for N_CATCH.
2193 (UNKNOWN_STAB): Use internal_error.
2194 (stab_to_sclass): Remove now-unnecessary aborts.
2195 Remove #if 0'ed case N_BROWS. Add #ifdef N_OPT block.
2197 Tue Apr 17 21:41:11 2001 Jeffrey A Law (law@cygnus.com)
2199 * jump.c (mark_all_labels): Canonicalize the tail recursion
2200 label attached to CALL_PLACEHOLDER insns.
2202 2001-04-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2204 * output.h (dump_flow_info, free_basic_block_vars,
2205 which_alternative): Delete redundant prototypes.
2207 * rtl.h (bss_section): Likewise.
2209 2001-04-17 Loren J. Rittle <ljrittle@acm.org>
2211 * dbxout.c (N_OPT): Define if not available from <stab.h>
2213 2001-04-17 John David Anglin <dave@hiauly1.hia.nrc.ca>
2215 * vax.h (PROMOTE_PROTOTYPES): Define for compatibility with system
2216 libraries and native K&R compilers.
2218 2001-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2220 * c-typeck.c (convert_arguments): Don't check for width changes
2223 * invoke.texi (-Wtraditional): Update documentation.
2225 2001-04-16 Zack Weinberg <zackw@stanford.edu>
2227 * toplev.c (output_lang_identify): Delete.
2228 (compile_file): Don't call ASM_IDENTIFY_GCC or ASM_IDENTIFY_LANGUAGE.
2229 Don't generate gcc2_compiled. label. Don't emit a nop if profiling.
2230 If IDENT_ASM_OP is defined, emit an .ident "GCC (GNU) <version>"
2231 after calling ASM_FILE_END.
2233 * dbxout.c (dbxout_init): Don't call ASM_IDENTIFY_GCC_AFTER_SOURCE.
2234 Instead, unconditionally emit an N_OPT stab with string equal
2235 to STABS_GCC_MARKER, which defaults to "gcc2_compiled."
2237 * defaults.h: Don't provide default for ASM_IDENTIFY_LANGUAGE.
2239 * config/dbxelf.h, config/freebsd.h, config/nextstep.h,
2240 config/psos.h, config/ptx4.h, config/1750a/1750a.h,
2241 config/alpha/alpha.h, config/alpha/elf.h, config/arc/arc.h,
2242 config/arm/aof.h, config/arm/coff.h, config/arm/elf.h,
2243 config/arm/linux-elf.h, config/avr/avr.h, config/d30v/d30v.h,
2244 config/dsp16xx/dsp16xx.h, config/h8300/h8300.h,
2245 config/i370/i370.h, config/i386/beos-elf.h,
2246 config/i386/osf1elf.h, config/i386/osfrose.h,
2247 config/ia64/sysv4.h, config/m68k/3b1.h, config/m68k/auxgas.h,
2248 config/m68k/crds.h, config/m68k/hp320.h, config/m68k/m68kv4.h,
2249 config/m68k/mot3300.h, config/m68k/news.h, config/m68k/sgs.h,
2250 config/m68k/tower-as.h, config/mcore/mcore-elf.h,
2251 config/mips/iris6.h, config/mips/osfrose.h,
2252 config/mips/sni-svr4.h, config/pa/som.h, config/pdp11/pdp11.h,
2253 config/sparc/sp64-elf.h:
2254 Delete definitions of any or all of: ASM_IDENTIFY_GCC,
2255 ASM_IDENTIFY_GCC_AFTER_SOURCE, and ASM_IDENTIFY_LANGUAGE.
2257 * config/elfos.h, config/freebsd.h, config/linux.h,
2258 config/alpha/elf.h, config/arm/linux-elf.h, config/i386/i386elf.h,
2259 config/i386/ptx4-i.h, config/mips/gnu.h, config/mips/linux.h,
2260 config/sparc/linux.h, config/sparc/linux64.h: Delete definitions
2261 of ASM_FILE_START which merely emit a .version directive. Delete
2262 definitions of ASM_FILE_END which merely emit an .ident directive.
2264 * config/avr/avr.h, config/vax/vax.h: Delete definition of
2265 ASM_IDENTIFY_GCC and move part of its logic into
2268 * config/i386/att.h, config/i386/gas.h, config/i386/linux.h,
2269 config/sparc/linux-aout.h: Don't emit .version directive in
2272 * config/i386/dgux.c, config/m88k/m88k.c, config/sh/sh.c
2273 (output_file_start): Correct comment.
2275 * config/i386/osfrose.h: Don't emit trailing .ident directive.
2276 * config/m68k/mot3300.h: Override STABS_GCC_MARKER to "gcc2_compiled%"
2278 * config/pa/lib2funcs.asm: Delete gcc_compiled. label.
2279 * config/rs6000/aix.h: Correct comment.
2281 * config/i386/i386afe.h: Delete.
2282 * config.gcc: Remove references to i386afe.h.
2284 * tm.texi: Delete documentation of ASM_IDENTIFY_GCC. The
2285 other macros deleted by this patch were undocumented.
2287 Mon Apr 16 08:03:48 2001 Jeffrey A Law (law@cygnus.com)
2289 * pa.md (reload_outdi): Operand 0 must be a non hard register.
2291 * pa.c (secondary_reload_class): SAR<->FP copies require a
2294 * install.texi (mips-mips-bsd): Update list of functions
2295 required to include memmove.
2296 * tm.texi (TARGET_MEM_FUNCTIONS): Update list of implicitly
2297 used functions to include memmove.
2299 2001-04-15 Toon Moene <toon@moene.indiv.nluug.nl>
2301 * i386.md (sqrtdf2): SFmode should be DFmode.
2303 2001-04-15 Alexandre Oliva <aoliva@redhat.com>
2305 * gcse.c (compute_ld_motion_mems): ASM outputs aren't moveable.
2306 (find_moveable_store): Likewise.
2308 2001-04-15 Jim Wilson <wilson@redhat.com>
2310 * function.c (expand_function_end): Handle PARALLEL real_decl_rtl.
2312 Sat Apr 14 16:24:19 CEST 2001 Jan Hubicka <jh@suse.cz>
2314 * i386.md (ashldi3_1_rex64): Add 'J' to the constraints
2315 (ashrdi3_1_rex64): Change 'n' constraint to 'J'.
2317 2001-04-14 Alexandre Oliva <aoliva@redhat.com>
2319 * config/mn10300/mn10300.md (cmpsi): Tell reload to disregard the
2322 2001-04-14 Alan Modra <amodra@one.net.au>
2324 * pa.c (force_mode): New function.
2325 (emit_move_sequence): Use it instead of generating new rtx_REGs.
2327 2001-04-13 Jim Wilson <wilson@redhat.com>
2329 * config/ia64/ia64.c (ia64_expand_epilogue): Emit alloc if sibcall_p.
2330 (first_instruction): New static variable.
2331 (rtx_needs_barrier): Return 1 for alloc.
2332 (init_insn_group_barriers): Set first_instruction.
2333 (rws_sum): Delete duplicate definition.
2334 (group_barrier_needed_p): Return 0 when first_instruction true.
2335 (safe_group_barrier_needed_p): Save and restore first_instruction
2336 around group_barrier_needed_p call.
2338 Fri Apr 13 21:40:28 2001 Loren J. Rittle <ljrittle@acm.org>
2340 * expr.h (enum libfunc_index): Add LTI_memmove.
2341 (memmove_libfunc): Define macro.
2342 * optabs.c (init_optabs): Initialize memmove_libfunc.
2343 * expr.c (expand_assignment): Use memmove_libfunc instead of
2346 2001-04-13 Alan Modra <alan@linuxcare.com.au>
2348 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Disallow PIC LO_SUM
2351 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2353 * Makefile.in (reg-stack.o): Depend on reload.h.
2354 (insn-attrtab.o): Depend on flags.h.
2356 * genattrtab (main): Include flags.h in insn-attrtab.c.
2358 * reg-stack.c: Include reload.h.
2360 * sparc.h (flag_pic): Delete redundant declaration.
2362 * output.h (flag_pic): Likewise.
2364 * tree.h (pedantic): Likewise.
2366 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2368 * Makefile.in (toplev.o, jump.o, regmove.o): Depend on reload.h
2370 * jump.c, regmove.c, toplev.c: Include reload.h.
2372 * reload.h (reload_cse_regs): Declare.
2374 * rtl.h (find_equiv_reg, operands_match_p, safe_from_earlyclobber,
2375 reload_cse_regs, init_reload, mark_home_live, reload,
2376 init_caller_save): Delete redundant prototypes.
2378 2001-04-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2380 * Makefile.in (ssa.o, regclass.o): Depend on $(EXPR_H).
2382 * regclass.c, ssa.c: Include expr.h.
2384 * rtl.h (memory_address, force_reg, emit_queue, emit_move_insn,
2385 gen_move_insn): Delete redundant declarations.
2387 2001-04-13 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2389 * Makefile.in (CFLAGS, BOOT_CFLAGS): Partly revert 2000-10-27 patch.
2390 (stage1_build): Instead pass down STAGE1_CFLAGS here. Pass down
2391 MAKEINFO and MAKEINFOFLAGS too.
2392 (stage4_build): Correctly order -B flags.
2394 2001-04-13 Alan Modra <amodra@one.net.au>
2396 * pa.c (hppa_init_pic_save): Set rtx_unchanging for
2397 PIC_OFFSET_TABLE_SAVE_RTX.
2398 (zdepi_cint_p): Describe zdepi insn.
2399 Formatting and white space fixes throughout file.
2401 * pa.c (uint32_operand): Don't use long constant >= 2^32.
2402 (emit_move_sequence): Use HOST_WIDE_INT constants. Don't worry
2403 about 32->64 bit sign extension if 32 bit HOST_WIDE_INTs.
2404 (compute_movstrsi_length): Make `align' unsigned to avoid warning.
2405 (output_64bit_and): Use plain `int's for shift counts.
2406 (output_64bit_ior): Likewise.
2407 (function_arg_partial_nregs): Use unsigned vars to avoid warnings.
2408 * pa.h (CONST_OK_FOR_LETTER_P): Use HOST_WIDE_INT constants for case
2411 * pa-hpux10.h (NEW_HP_ASSEMBLER): Define to 1.
2412 * pa-hpux11.h (NEW_HP_ASSEMBLER): Likewise.
2413 * pa.h (LEGITIMATE_CONSTANT_P) Collapse two defines depending on
2414 NEW_HP_ASSEMBLER into one. Kill warnings.
2416 * pa-gas.h: Delete file.
2417 * config.gcc: Match `parisc' as well as `hppa' for cpu_type=pa.
2418 Add new targets hppa*64*-*-linux* and parisc*64*-*-linux*. Update
2419 hppa*-*-linux*. For all pa targets, remove pa/gas.h from tm_file,
2420 instead setting MASK_GAS | MASK_JUMP_IN_DELAY in target_cpu_default2.
2422 * config/pa/mill32.S: New file.
2423 * config/pa/mill64.S: New file.
2424 * config/pa/t-linux (LIBGCC1, CROSS_LIBGCC1, LIB1ASMFUNCS,
2425 LIB1ASMSRC, CRTSTUFF_T_CFLAGS_S, TARGET_LIBGCC2_CFLAGS): Define.
2426 * config/pa/t-linux64: New file.
2427 * config/pa/t-pa64 (CROSS_LIBGCC1): Change to libgcc1-asm.a
2428 (LIB1ASMFUNCS, LIB1ASMSRC): Define.
2429 (TARGET_LIBGCC2_CFLAGS): Add -Dpa64=1 -DELF=1.
2431 * elfos.h (SELECT_SECTION): Undef before defining.
2432 * pa-linux.h (LINUX_DEFAULT_ELF, PTRDIFF_TYPE, CPP_SPEC): Remove.
2433 (LIB_SPEC): Remove -lmilli.
2434 (DBX_REGISTER_NUMBER): Remove.
2435 (PREFERRED_DEBUGGING_TYPE, DWARF2_ASM_LINE_DEBUG_INFO,
2436 (DWARF2_UNWIND_INFO, ASM_SPEC, LINK_SPEC, FUNCTION_OK_FOR_SIBCALL,
2437 NO_PROFILE_COUNTERS, SELECT_RTX_SECTION, INCOMING_RETURN_ADDR_RTX,
2438 DWARF_FRAME_RETURN_COLUMN, STRING_ASM_OP, TEXT_SECTION_ASM_OP,
2439 DATA_SECTION_ASM_OP, BSS_SECTION_ASM_OP, ASM_FILE_START,
2440 ASM_OUTPUT_DEF, ASM_OUTPUT_ADDR_VEC_ELT, ASM_OUTPUT_ADDR_DIFF_ELT,
2441 ASM_OUTPUT_LABEL, ASM_GLOBALIZE_LABEL, ASM_DECLARE_FUNCTION_NAME,
2442 TARGET_GAS): Define.
2443 * pa.c (output_arg_descriptor): Disable for TARGET_ELF32.
2444 (function_arg): If TARGET_ELF32, pass fp args in both general and fp
2445 regs if we don't have a prototype.
2446 * pa.md (canonicalize_funcptr_for_compare): Not for TARGET_ELF32.
2447 * pa.h (TARGET_ELF32): Default to 0 if undefined.
2448 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX,
2449 EH_RETURN_HANDLER_RTX): Define.
2450 * pa32-regs.h (DBX_REGISTER_NUMBER): Remove unnecessary test.
2451 (DWARF_FRAME_REGNUM): Define.
2452 * pa64-regs.h (DWARF_FRAME_REGNUM): Define.
2453 * pa32-linux.h: New file.
2454 * pa64-linux.h: New file.
2456 * pa-64.h (WCHAR_TYPE, WCHAR_TYPE_SIZE): Define.
2457 (ASM_OUTPUT_DOUBLE_INT): Format, protect macro with do..while.
2458 (LINK_SPEC, LIB_SPEC, MD_EXEC_PREFIX, MD_STARTFILE_PREFIX,
2459 NEW_HP_ASSEMBLER, ASM_FILE_START, OBJECT_FORMAT_ELF,
2460 DWARF2_DEBUGGING_INFO, PREFERRED_DEBUGGING_FORMAT,
2461 DWARF2_ASM_LINE_DEBUG_INFO, USE_CONST_SECTION, CONST_SECTION_ASM_OP,
2462 CTORS_SECTION_ASM_OP, DTORS_SECTION_ASM_OP, INIT_SECTION_ASM_OP,
2463 FINI_SECTION_ASM_OP, EXTRA_SECTIONS, EXTRA_SECTION_FUNCTIONS,
2464 READONLY_DATA_SECTION, CONST_SECTION_FUNCTION, CTORS_SECTION_FUNCTION,
2465 DTORS_SECTION_FUNCTION, ASM_OUTPUT_SECTION_NAME, MAKE_DECL_ONE_ONLY,
2466 UNIQUE_SECTION_P, UNIQUE_SECTION, INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2467 ASM_OUTPUT_DESTRUCTOR, TYPE_ASM_OP, SIZE_ASM_OP, ASM_WEAKEN_LABEL,
2468 TYPE_OPERAND_FMT, ASM_DECLARE_RESULT): Move to..
2469 * pa64-hpux.h: New file.
2470 (ASM_FILE_START): Correct typo.
2471 (PREFERRED_DEBUGGING_FORMAT): Rename to PREFERRED_DEBUGGING_TYPE.
2472 * config.gcc: Modify for above.
2474 Fri Apr 13 00:09:22 EDT 2001 John Wehle (john@feith.com)
2476 * jump.c (jump_optimize_1): Don't delete dead stores here.
2477 * toplev.c (rest_of_compilation): Call delete_trivially_dead_insns
2478 prior to running jump optimize before cse2.
2480 2001-04-12 Richard Henderson <rth@redhat.com>
2482 * Makefile.in (regmove.o): Depend on except.h.
2483 * regmove.c: Include it.
2485 2001-04-12 Stan Shebs <shebs@apple.com>
2487 * objc/objc-act.c: Remove all code ifdefed with the never-used
2488 macro OBJC_INT_SELECTORS.
2489 * config/d30v/d30v.h: Remove commented-out ref to OBJC_INT_SELECTORS.
2490 * tm.texi: Remove doc for OBJC_INT_SELECTORS.
2492 Thu Apr 12 18:13:37 2001 Rodney Brown <RodneyBrown@mynd.com>
2494 * config/pa/quadlib.c: Add prototypes.
2496 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2498 * bitmap.h (debug_bitmap): Delete redundant prototype.
2500 * rtl.h (get_frame_size): Likewise.
2502 2001-04-12 Jim Wilson <wilson@redhat.com>
2504 * config/ia64/ia64.md (extendsfdf2, extendsftf2, extenddftf2): Simplify
2505 to just emit an fnorm.
2507 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2509 * c-common.h (truthvalue_conversion, type_for_mode,
2510 type_for_size): Delete redundant declarations.
2512 * c-lex.h (is_class_name): Likewise.
2514 * c-tree.h (pedantic, convert, getdecls, gettags,
2515 global_bindings_p, init_decl_processing, insert_block,
2516 maybe_build_cleanup, poplevel, print_lang_decl,
2517 print_lang_identifier, print_lang_type, pushdecl, pushlevel,
2518 set_block, incomplete_type_error, build_function_call,
2519 lvalue_or_else, mark_addressable): Likewise.
2521 * expr.h (expand_tree_builtin): Likewise.
2523 2001-04-12 Mark Mitchell <mark@codesourcery.com>
2525 * invoke.texi: Document --param max-gcse-memory.
2527 2001-04-12 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2529 * configure.in (errno): Check for declaration.
2530 * configure, config.in: Regenerated.
2532 * system.h (errno): Only declare if not already done.
2534 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2536 * recog.c (general_operand, immediate_operand,
2537 nonmemory_operand): Require CONST_INTs to be sign-extended
2538 values for their modes.
2540 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2542 * expmed.c (store_bit_field): Truncate CONST_INTs.
2543 (expand_mult_highpart, expand_divmod): Likewise.
2544 * expr.c (convert_modes, store_field): Likewise.
2545 * integrate.c (expand_inline_function): Use promote_mode() to
2546 determine whether to convert_modes() an argument as signed
2548 * optabs.c (expand_binop): Get CONST_INT operands
2549 sign-extended for their appropriate modes.
2550 * stmt.c (emit_case_nodes): Convert node values to the
2552 (expand_end_case): Convert minval and range to the appropriate
2554 * unroll.c (loop_iterations): Truncate abs_diff to the mode of
2555 the iteration variable.
2556 * varasm.c (immed_double_const): Don't require words to be
2557 narrower than host wide ints to properly sign-extend
2560 2001-04-12 kaz Kojima <kkojima@rr.iij4u.or.jp>
2562 * sh.md (builtin_setjmp_receiver): New expander.
2564 2001-04-12 David Edelsohn <dje@watson.ibm.com>
2566 * config/rs6000/rs6000.c (rs6000_emit_move): Do not
2567 special-case HOST_BITS_PER_WIDE_INT != 32. Use same criteria
2568 for generating CONST_INT and CONST_DOUBLE.
2570 2001-04-12 Alexandre Oliva <aoliva@redhat.com>
2572 * config/rs6000/rs6000.c (logical_operand): CONST_INTs are
2573 already sign-extended.
2574 (rs6000_emit_prologue): Make register iterator signed.
2575 (rs6000_emit_epilogue): Likewise.
2576 * config/rs6000/rs6000.md (addsi3, adddi3): Sign-extend high
2578 (movsf split, movdf split): Sign-extend CONST_INTs.
2579 (movdi splits): Likewise.
2581 2001-04-12 Kelley Cook <kelley.cook@home.com>
2583 * config-lang.in (lang_dirs): Add in zlib.
2585 2001-04-11 Alexandre Oliva <aoliva@redhat.com>
2587 * config/i386/i386.md: Apply trunc_int_for_mode() to GEN_INT
2588 operands that make it to RTL.
2590 2001-04-11 Stan Shebs <shebs@apple.com>
2592 Add Darwin (Mac OS X kernel) native support.
2593 * config.gcc (powerpc-*-darwin*): Add native bits.
2594 * config/darwin.c: New file, generic Darwin support functions.
2595 * config/darwin.h: New file, generic Darwin definitions.
2596 * config/darwin-protos.h: New file, generic Darwin prototypes.
2597 * rs6000/darwin.h: New file, Darwin for PowerPC.
2598 * rs6000/t-darwin: New file, Darwin makefile fragment.
2599 * rs6000/rs6000.h (OBJECT_MACHO): New macro.
2600 (TARGET_MACHO): Ditto.
2601 (rs6000_abi): Add ABI_DARWIN.
2602 (RS6000_REG_SAVE): Add ABI_DARWIN case.
2603 (RS6000_SAVE_AREA): Ditto.
2604 (FP_ARG_MAX_REG): Ditto.
2605 (RETURN_ADDRESS_OFFSET): Ditto.
2606 * rs6000/rs6000.c (rs6000_legitimize_address): Add TARGET_MACHO
2608 (rs6000_emit_move): Add ABI_DARWIN cases.
2609 (print_operand): Ditto.
2610 (first_reg_to_save): Ditto.
2611 (rs6000_stack_info): Ditto, also align stack by 16 instead of 8.
2612 (debug_stack_info): Ditto.
2613 (rs6000_emit_prologue): Ditto.
2614 (rs6000_emit_epilogue): Ditto.
2615 (output_profiler_hook): Ditto.
2616 (output_function_profiler): Ditto.
2617 (rs6000_add_gc_roots): Call machopic_add_gc_roots if TARGET_MACHO.
2618 (output_mi_thunk): Add TARGET_MACHO case.
2619 (add_compiler_stub): Ditto.
2620 (output_compiler_stub): Ditto.
2621 (no_previous_def): Ditto.
2622 (output_call): Ditto.
2623 (machopic_output_stub): Ditto.
2624 (rs6000_machopic_legitimize_pic_address): Ditto.
2625 (toc_section): Ditto.
2626 * rs6000/rs6000.md (addsi3_high): New TARGET_MACHO pattern.
2627 (macho_high): Ditto.
2630 (load_macho_picbase): Ditto.
2631 (call): Add TARGET_MACHO case to modify function.
2632 (call_value): Ditto.
2633 (call_nonlocal_sysv): Add ABI_DARWIN case.
2634 (call_value_nonlocal_sysv): Ditto.
2635 * rs6000/rs6000-protos.h (rs6000_machopic_legitimize_pic_address):
2637 (machopic_output_stub): Ditto.
2638 * ginclude/stddef.h: Test _BSD_WCHAR_T_DEFINED_.
2640 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2642 * dwarf2out.c (modified_type_die): Don't create new types here.
2643 * tree.h (get_qualified_type): New function.
2644 (build_qualified_type): Adjust comment.
2645 * tree.c (get_qualified_type): New function.
2646 (build_qualified_type): Use it.
2648 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2650 * cpp.texi (-Wtraditional): Update description.
2652 * invoke.texi (-Wtraditional): Likewise.
2654 2001-04-11 Jim Wilson <wilson@redhat.com>
2656 * config/ia64/ia64.h (FUNCTION_ARG_BOUNDARY): Return 128 if argument
2657 requires more than 64 bits of alignment.
2659 2001-04-11 Neil Booth <neil@daikokuya.demon.co.uk>
2661 * cpplib.c (do_line): Sanity check iff enable checking.
2663 2001-04-11 Richard Henderson <rth@redhat.com>
2665 * Makefile.in (insn-recog.o): Depend on toplev.h.
2666 (insn-emit.o, doloop.o): Likewise.
2667 * genrecog.c, genemit.c: Include toplev.h in generated file.
2668 * doloop.c: Include toplev.h.
2670 2001-04-11 Mark Mitchell <mark@codesourcery.com>
2672 * Makefile.in (gcse.o): Depend on params.h.
2673 * gcse.c: Include params.h.
2674 (gcse_main): Don't do GCSE if doing so will take inordinate
2676 * params.def (PARAM_MAX_GCSE_MEMORY): New parameter.
2677 * params.h (MAX_GCSE_MEMORY): New macro.
2679 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2681 * Makefile.in (insn-output.o): Depend on $(EXPR_H).
2683 * genoutput.c (output_prologue): Include expr.h in insn-output.c.
2685 2001-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2687 * output.h (assemble_real): Declare if REAL_VALUE_TYPE is defined.
2689 * real.h (ereal_atof, real_value_truncate, target_isnan,
2690 target_isinf, target_negative, assemble_real, debug_real): Delete
2691 redundant prototypes.
2693 * Makefile.in (ifcvt.o): Depend on toplev.h.
2695 * c-semantics.c: Include expr.h.
2697 * ifcvt.c: Include toplev.h.
2699 * expr.h (rtx_equal_p): Delete prototype.
2701 * rtl.h (exact_log2_wide, floor_log2_wide, permalloc,
2702 protect_from_queue, gen_jump, gen_beq, gen_bge, gen_ble,
2703 eliminate_constant_term, expand_complex_abs, find_single_use,
2704 make_tree, init_expr_once, init_optabs, supports_one_only):
2707 * tree.h (exact_log2_wide, floor_log2_wide, expand_null_return,
2708 rest_of_type_compilation, emit_queue, do_pending_stack_adjust,
2709 expand_assignment, store_expr, emit_line_note_after,
2710 emit_line_note_force, split_specs_attrs, label_rtx): Likewise.
2712 * toplev.h (exact_log2_wide, floor_log2_wide): Add prototype.
2714 * sparc-protos.h: Delete redundant prototypes.
2716 2001-04-11 Vladimir Makarov <vmakarov@toke.toronto.redhat.com>
2718 * reload.c (push_reload): Add condition missed in SUBREG byte
2721 Wed Apr 4 00:28:23 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2723 * sparc/sol2-sld-64.h (STARTFILE_SPEC): Added missing blank.
2725 Wed Apr 11 14:06:10 CEST 2001 Jan Hubicka <jh@suse.cz>
2727 * i386.md (floatsisf_sse): Fix output template
2728 * i386.c (ix86_expand_fp_movcc)
2730 * reg-stack.c (emit_pop_insn): Handle complex modes.
2731 (move_for_stack_reg): Emit proper move mode.
2732 (subst_stack_regs_pat): Handle complex modes.
2734 2001-04-11 Jakub Jelinek <jakub@redhat.com>
2736 * cpplex.c (_cpp_lex_token): Only warn if -Wcomment.
2738 2001-04-10 Richard Henderson <rth@redhat.com>
2740 * libgcc2.h (__terminate_func_ptr): Remove typedef.
2741 (__pure_virtual, __terminate, __terminate_set_func,
2742 __default_terminate, __throw_type_match, __empty,
2743 __get_eh_context, __get_eh_info, __get_dynamic_handler_chain,
2744 __eh_rtime_match, __unwinding_cleanup, __rethrow,
2745 __sjthrow, __sjpopnthrow, __eh_alloc, __eh_free):
2746 Remove prototypes of deleted functions.
2748 2001-04-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2750 * c-typeck.c (convert_arguments): -Wtraditional now activates
2751 -Wconversion warnings, except for changes in signed-ness.
2752 Detect complex<->int & int<->complex conversions as well.
2754 * invoke.texi (-Wtraditional): Document it.
2756 Tue Apr 10 17:45:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2758 * gcse.c (update_ld_motion_stores): Don't use variable I for an insn.
2759 * flow.c (set_block_for_new_insns): Remove needless cast and
2760 properly check for unset block number.
2762 2001-04-10 Andrew MacLeod <amacleod@redhat.com>
2764 * function.c (purge_single_hard_subreg_set): Only check REGNO if
2765 the subreg was a hard register. Pseudos are left as subregs.
2767 2001-04-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2769 * Makefile.in (LIB2FUNCS_STATIC_EXTRA): New macro.
2770 (LIB2ADD_ST): New macro, pass it to mklibgcc.
2771 * mklibgcc.in (libgcc2_st_objs): New variable, set it from LIB2ADD_ST.
2772 (libgcc_st_objs): New, set from libgcc2_st_objs. Use it for libgcc.a.
2773 * config/rs6000/t-ppccomm (LIB2FUNCS_STATIC_EXTRA): New macro.
2775 2001-04-09 Bo Thorsen <bo@suse.co.uk>
2777 * config/i386/i386.md: "TARGET_64BIT && TARGET_64BIT": Removed one.
2779 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2781 * output.h (set_block_num): Missed it earlier, remove deprecated
2784 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2786 * gcse.c (oprs_unchanged_p): Pass basic_block to load_killed_in_block_p.
2787 (load_killed_in_block_p): Change bb parameter from int to basic_block.
2788 (oprs_not_set_p): Pass basic_blocks instead of ints as parameters.
2789 (handle_rd_kill_set): Change bb parameter from int to basic_block.
2790 (compute_kill_rd): Pass basic_blocks instead of ints as parameters.
2791 (expr_killed_p): Change bb parameter from int to basic_block, pass
2792 basic_blocks instead of ints as parameters.
2793 (compute_ae_kill): Pass basic_blocks instead of ints as parameters.
2794 (expr_reaches_here_p_work, expr_reaches_here_p): Change bb parameter
2795 from int to basic_block, pass basic_blocks instead of ints as parms.
2796 (pre_expr_reaches_here_p_work, pre_expr_reaches_here_p): Change bb
2797 parameter from int to basic_block, pass basic_blocks instead of ints.
2798 (process_insert_insn): Pass basic_blocks instead of ints as parameters.
2799 (insert_insn_end_bb): Change bb parameter from int to basic_block,
2800 pass basic_blocks instead of ints.
2801 (pre_edge_insert, pre_insert_copy_insn, pre_insert_copies): Pass
2802 basic_blocks instead of ints as parameters.
2803 (pre_delete): Pass basic_blocks instead of ints as parameters.
2804 (hoist_expr_reaches_here_p): Change bb parameter from int to
2805 basic_block, pass basic_blocks instead of ints.
2806 (hoist_code): Pass basic_blocks instead of ints as parameters.
2807 (reg_set_info, store_ops_ok, store_killed_after, store_killed_before):
2808 Change bb parameter from int to basic_block.
2809 (build_store_vectors): Pass basic_blocks instead of ints as parameters.
2810 (insert_insn_start_bb): Change bb parameter from int to basic_block,
2811 pass basic_blocks instead of ints.
2812 (insert_store): Pass basic_blocks instead of ints as parameters.
2813 (replace_store_insn, delete_store): Change bb parameter from int to
2814 basic_block, pass basic_blocks instead of ints.
2815 (store_motion): Pass basic_blocks instead of ints as parameters.
2817 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2819 * basic-block.h (set_new_block_for_insns): New Prototype.
2820 (set_block_num): Delete prototype.
2821 * flow.c (set_block_num): Remove obsolete function.
2822 (set_block_for_new_insns): Set BB for single or multiple insns.
2823 * gcse.c (handle_avail_expr): Use set_block_for_new_insns.
2824 (process_insn_end_bb): Use set_block_for_new_insns or
2825 set_block_for_insn instead of set_block_num.
2826 (pre_insert_copy_insn): Use set_block_for_new_insns.
2827 (update_ld_motion_stores): Use set_block_for_new_insns.
2828 (insert_insn_start_bb): Use set_block_for_new_insns.
2829 (replace_store_insn): Use set_block_for_new_insns.
2831 2001-04-09 Andrew MacLeod <amacleod@redhat.com>
2832 Jeff Law <law@redhat.com>
2834 * alias.c (get_addr): Externalize.
2835 (canon_true_dependence): New function. Behaves like true_dependance
2836 except it already assumes a MEM has been canonicalized.
2837 * flags.h (flag_gcse_lm, flag_gcse_sm): New optimization flags.
2838 * gcse.c (struct ls_expr): Add load/store expressions structure.
2839 (modify_mem_list, canon_modify_mem_list): New variable.
2840 (gcse_main): Initialize & finalize alias analysis. Use enhanced
2841 load motion and store motion if requested.
2842 (alloc_gcse_mem): Allocate space for modify_mem_list array.
2843 (free_gcse_mem): Free the modify_mem_list array.
2844 (oprs_unchanged_p): Use load_killed_in_block_p.
2845 (gcse_mems_conflict_p, gcse_mem_operand): New variables.
2846 (mems_conflict_for_gcse_p): New function. Don't kill loads
2847 with stores to themselves if its in the load/store expression list.
2848 (load_killed_in_block_p): New function.
2849 (canon_list_insert): New Function.
2850 (record_last_mem_set_info): Keep a list of all instructions which
2851 can modify memory for each basic block.
2852 (compute_hash_table, reset_opr_set_tables): Clear modify_mem_list.
2853 (oprs_not_set_p): Use load_killed_in_block_p.
2854 (mark_call, mark_set, mark_clobber): Use record_last_mem_set_info.
2855 (expr_killed_p): Use load_killed_in_block_p.
2856 (compute_transp): Do not pessimize memory references.
2857 (pre_edge_insert): Update stores for a load motion expression.
2858 (one_pre_gcse_pass): Check loads/stores for extra load motion.
2859 (ldst_entry): Find or create a ldst_expr structure.
2860 (free_ldst_entry): Free memory for an individual item.
2861 (free_ldst_mems): Free entire load/store expression list.
2862 (print_ldst_list): Print debug info.
2863 (find_rtx_in_ldst): Try to find an rtx expression in the ldst list.
2864 (enumerate_ldsts): Assign integer values to each entry in list.
2865 (first_ls_expr): First expression in the list.
2866 (next_ls_expr): Next expression in the list.
2867 (simple_mem): Check if expression qualifies for ld/st expression list.
2868 (invalidate_any_buried_refs): Remove from expression list if its
2869 used in some other way we dont understand.
2870 (compute_ld_motion_mems): Find all potential enhanced load motion
2872 (trim_ld_motion_mems): Remove any expressions which are invalid.
2873 (update_ld_motion_stores): Copy store values to registers for loads
2874 which have been moved.
2875 (regvec, st_antloc, num_store): New global statics.
2876 (reg_set_info): Marks registers as set.
2877 (store_ops_ok): Verfies registers expressions are valid in a block.
2878 (find_moveable_store): Look for moveable stores in a pattern.
2879 (compute_store_table): Find stores in a function worth moving, maybe.
2880 (load_kills_store): Check dependance of a load and store.
2881 (find_loads): Find any loads in a pattern.
2882 (store_killed_in_insn): Check if a store is killed in an insn.
2883 (store_killed_after): Check is store killed after an insn in a block.
2884 (store_killed_before): Check is store killed before an insn in a block.
2885 (build_store_vectors): Generate the antic and avail vectors.
2886 (insert_insn_start_bb): Insert at the start of a BB, update BLOCK_HEAD.
2887 (insert_store): Add a store to an edge.
2888 (replace_store_insn): Replace a store with a SET insn.
2889 (delete_store): Delete a store insn.
2890 (free_store_memory): Free memory.
2891 (store_motion): Perform store motion.
2892 * invoke.texi: Add documentation for -fcse-lm and -fgcse-sm.
2893 * rtl.h (get_addr, canon_true_dependence): Add prototypes.
2894 * toplev.c (flag_gcse_lm, flag_gcse_sm): New Variables.
2895 (f_options): Add gcse-lm and gcse-sm.
2897 Mon Apr 9 16:18:03 CEST 2001 Jan Hubicka <jh@suse.cz>
2899 * i386.c (expand_fp_movcc): Fix condition reversal code.
2901 * i386.c (ix86_register_move_cost): Fix handling of reformating penalty
2902 * i386.h (INTEGER_CLASS_P, MAYBE_INTEGER_CLASS_P): New.
2903 (CLASS_MAX_NREGS): Use it.
2905 * i386.h (HARD_REGNO_NREGS): Handle properly TF and TCmodes on 64bit;
2906 handle properly complex values.
2907 (CLASS_MAX_NREGS): Likewise; update comment.
2909 2001-04-05 Bernd Schmidt <bernds@redhat.com>
2911 * ia64.c (ia64_flag_schedule_insns2): New variable.
2912 (ia64_override_options): Initialize it. Clear
2913 flag_schedule_insns_after_reload.
2914 (ia64_reorg): Only do scheduling if ia64_flag_schedule_insns2.
2916 Mon Apr 9 15:09:13 CEST 2001 Jan Hubicka <jh@suse.cz>
2918 * i386.md (truncdfsf2_*): Add i387->int/sse reg alternatives;
2919 Do not require source to match destination anymore;
2920 Add abort to the nontrivial cases that should be handled by split.
2921 (fix_trunc?fdi): Add SSE case for x86_64.
2922 (floatdi?f): Likewise.
2923 (floatdi?f_sse): New.
2924 (fix_trunc?fdi_sse): New.
2926 2001-04-09 Richard Sandiford <rsandifo@redhat.com>
2928 * dwarfout.c (DEBUG_ARANGES_BEGIN_LABEL): New label.
2929 (DEBUG_ARANGES_END_LABEL): Ditto.
2930 (dwarfout_init): Generate length and version fields at the start
2931 of the .debug_aranges info. Insert DEBUG_ARANGES_BEGIN_LABEL
2932 after the length field.
2933 (dwarfout_finish): Insert DEBUG_ARANGED_END_LABEL at the end of
2934 the .debug_aranges info.
2936 Sun Apr 8 00:43:27 CEST 2001 Jan Hubicka <jh@suse.cz>
2938 * i386.c (call, call_value): Make sure that resulting call_insn
2939 does have proper second operand.
2941 Sun Apr 8 22:50:49 2001 Christopher Faylor <cgf@cygnus.com>
2943 * config/i386/xm-cygwin.h (GET_ENV_PATH_LIST): Eliminate obsolete
2944 function. Remove include of sys/cygwin.h.
2946 Sun Apr 8 22:20:27 2001 Christopher Faylor <cgf@cygnus.com>
2948 * config/i386/cygwin.h (STARTFILE_SPEC): search */lib/w32api by default.
2949 (CPP_SPEC): Always search */include/w32api for header files.
2950 (ASM_OUTPUT_SECTION_NAME): Avoid testing NULL DECL.
2951 (LINK_SPEC): Add "cyg" to the library search prefixes.
2953 2001-04-08 Philip Blundell <philb@gnu.org>
2955 * config/arm/arm.h (ASM_OUTPUT_LABELREF): Use asm_fprintf.
2957 2001-04-08 Neil Booth <neil@daikokuya.demon.co.uk>
2959 * cpperror.c (print_location): Don't special case <stdin>.
2960 (_cpp_begin_message): Handle WARNING_SYSHDR the same as
2961 WARNING, but we don't check if we're in system headers.
2962 * cpplib.h (enum error_type): WARNING_SYSHDR: New.
2963 * cpplib.c (do_warning): Warn in system headers.
2965 2001-04-07 Mumit Khan <khan@NanoTech.Wisc.EDU>
2967 * mbchar.c: Include config.h first.
2969 2001-04-07 Zack Weinberg <zackw@stanford.edu>
2971 * config.gcc: Set default for xmake_file at top, not bottom.
2972 Change places that set xmake_file to "none" to set to the
2973 empty string instead, or remove them entirely if there is no
2974 default xmake_file for this cpu_type. Remove references to
2977 * config/x-lynx, config/convex/x-convex, config/elxsi/x-elxsi,
2978 config/i386/x-isc, config/i386/x-isc3, config/i386/x-ncr3000,
2979 config/i386/x-next, config/i386/x-sco, config/i386/x-sysv3,
2980 config/i386/x-vsta, config/i860/x-sysv4, config/m68k/x-amix,
2981 config/m68k/x-apollo68, config/m68k/x-ccur, config/m68k/x-crds,
2982 config/m68k/x-hp2bsd, config/m68k/x-mot3300, config/m68k/x-mot3300-gas,
2983 config/m68k/x-tower, config/m88k/x-sysv4, config/mips/x-dec-osf1,
2984 config/mips/x-sni-svr4, config/mips/x-ultrix, config/romp/x-mach,
2985 config/romp/x-romp, config/rs6000/x-beos, config/rs6000/x-lynx,
2986 config/rs6000/x-mach, config/rs6000/x-sysv4, config/sparc/x-sysv4:
2989 * config/a29k/x-unix, config/i386/x-aix, config/i386/x-osf1elf,
2990 config/i386/x-osfrose, config/m68k/x-dpx2, config/mips/x-iris3,
2991 config/mips/x-mips, config/mips/x-osfrose, config/mips/x-sony,
2992 config/mips/x-sysv, config/rs6000/x-aix31:
2993 Just set CLIB to -lld or -lmld, as appropriate.
2995 * config/arm/x-riscix, config/i370/x-oe, config/i386/x-dgux,
2996 config/i386/x-sco4, config/i386/x-sco5, config/m68k/x-hp320,
2997 config/m68k/x-hp320g, config/m68k/x-next, config/m88k/x-dgux,
2998 config/mips/x-iris, config/pa/x-pa:
2999 Just set (some of) FIXPROTO_DEFINES, STMP_FIXPROTO,
3000 OTHER_FIXINCLUDES_DIRS.
3002 * config/i386/x-djgpp: Don't set LN or LN_S.
3003 * config/m88k/x-dolph: Don't define __m88k__.
3004 * config/m88k/x-tekXD88: Don't set AR_FLAGS.
3005 * config/pa/x-pa-mpeix: Just set up quadlib.asm.
3006 * config/i860/fx2800.h: No need to #undef SVR4.
3008 38 x-host fragments remain, 2 x-cpu.
3010 2001-04-07 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3012 * c4x.h (HARD_REGNO_NREGS): HCmode mode uses 2 regs not 4.
3014 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3016 * cpplib.c (cpp_push_buffer): Give stdin buffers the name <stdin>.
3018 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3020 * configure.in: Add check for lstat.
3021 * configure, config.in: Regenerate.
3022 * cppinit.c (append_include_chain): Make empty path ".".
3023 * cpplib.c (do_line): Don't simplify #line paths.
3024 * cppfiles.c (remove_component_p): New function.
3025 (find_or_create_entry): Acknowledge stat () errors during
3026 path simplification.
3027 (handle_missing_header): Don't simplify paths.
3028 (_cpp_simplify_pathname): Don't simplify VMS paths. Return
3029 the empty path untouched. Don't leave a trailing '/'.
3031 2001-04-06 Benjamin Kosnik <bkoz@redhat.com>
3033 * cppdefault.c (GPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3034 * Makefile.in (-DGPLUSPLUS_BACKWARD_INCLUDE_DIR): Add.
3036 2001-04-06 Neil Booth <neil@daikokuya.demon.co.uk>
3038 * cppfiles.c (open_file): Fail directories silently, but
3039 with an errno of NOENT set.
3040 (read_include_file): Move the common exit code to the sole
3041 caller. Return an int indicating success or failure. Let
3042 open_file handle directories.
3043 (stack_include_file): If read_include_file fails,
3044 push a "null" buffer.
3046 2001-04-05 DJ Delorie <dj@redhat.com>
3048 * function.h (virtuals_instantiated): Declare.
3049 * function.c: (virtuals_instantiated): Make global.
3050 * calls.c (emit_library_call_value_1): Use
3051 virtual_outgoing_args_rtx only if it hasn't been instantiated.
3052 Otherwise, use the stack pointer directly.
3054 Thu Apr 5 19:13:33 CEST 2001 Jan Hubicka <jh@suse.cz>
3056 * i386.c (x86_initialize_trampoline): New global function.
3057 * i386.h (TRAMPOLINE_SIZE): Size is 23 for x86_64.
3058 (INITIALIZE_TRAMPOLINE): Move offline.
3059 * i386-protos.h (x86_initialize_trampoline): Declare.
3061 Thu Apr 5 19:02:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3063 * i386.md (movdi_1_rex64): Allow SSE->SSE reg move.
3064 (lea_0): Rename to lea_1.
3065 (lea_1_zext, lea_1_rex64, lea_2_rex64): New patterns.
3066 (lea_general_?): Allow SImodes on TARGET_64BIT
3067 (lea_general_?_zext): New patterns.
3068 (call_1, call_1_rex64): Fix.
3070 Thu Apr 5 19:00:15 CEST 2001 Jan Hubicka <jh@suse.cz>
3072 * i386.c (ix86_split_long_move): Use PUT_MODE instead of change_address.
3074 Thu Apr 5 18:25:56 CEST 2001 Jan Hubicka <jh@suse.cz>
3076 * i386.c (function_arg): Return constm1_rtx for last argument.
3077 (ix86_expand_prologue): Update gen_call calls.
3078 * i386.h (FUNCTION_BLOCK_PROFILER_EXIT): Likewise.
3079 * i386.md (call_pop): Likewise.
3080 (call): Second operand is VOIDmode.
3081 (call_0): Likewise; Support 64bits.
3082 (call_exp): New expander.
3083 (call_1): Get to the sync.
3084 (call_1_exp): New pattern.
3085 (call_value): Support 64bit.
3086 (call_value_exp): New pattern.
3087 (untyped_call): Update gen_call call.
3088 (call_value_pop): Disable for 64bit.
3089 (call_value_0_rex64): New pattern.
3090 (call_value_1_rex64): Likewise.
3092 2001-04-05 Bo Thorsen <bo@suse.de>
3094 * i386.md: Don't allow "builtin_setjmp_receiver" for TARGET_64BIT.
3096 Thu Apr 5 13:44:17 2001 J"orn Rennecke <amylaar@redhat.com>
3098 * i386.md (*andsi_1+3): If used after reload, make sure the operand
3099 satisfies ANY_QI_REG_P.
3101 2001-04-05 Bernd Schmidt <bernds@redhat.com>
3103 * config/ia64/ia64.c (rtx_needs_barrier): A PARALLEL can contain
3106 * sched-deps.c (sched_analyze_insn): Revert more of the March 27
3109 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3111 * config.gcc: Remove default for xm_file. Clean up local
3112 machine type handling. Remove settings of xm_file to
3113 something that doesn't exist. In the big switch, set xm_file,
3114 don't append to it (the value before the big switch is always
3115 null). Don't force build_xm_file or host_xm_file to have a value.
3116 * configure.in: Remove default for xm_file. Do not special
3117 case $cpu/xm-$cpu.h not existing.
3118 * configure: Regenerate.
3120 2001-04-04 Diego Novillo <dnovillo@redhat.com>
3122 * simplify-rtx.c (simplify_binary_operation): Check for overflow
3123 when folding integer division and modulo operations.
3125 2001-04-04 Andrew MacLeod <amacleod@redhat.com>
3127 * dwarf2out.c (output_cfi): Add 'for_eh' parameter, use PTR_SIZE
3128 instead of DWARF2_ADDR_SIZE for EH addresses.
3129 (output_call_frame_info): Use PTR_SIZE instead of DWARF2_ADDR_SIZE for
3132 2001-04-04 Richard Henderson <rth@redhat.com>
3134 * config/ia64/ia64.h (IA64_UNWIND_INFO): Disable.
3135 * config/ia64/t-glibc (LIB2ADDEH): Disable.
3136 * config/ia64/t-ia64 (LIB2ADDEH): Disable.
3138 2001-04-04 Richard Henderson <rth@redhat.com>
3140 * configure.in (gcc_cv_as_leb128): Escape "." in regexp.
3141 * configure: Rebuilt.
3143 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3145 * gcse.c (delete_null_pointer_checks_1): Add delete_list argument,
3146 push insns to delete to it instead of deleting them.
3147 (delete_null_pointer_checks): Delete insns from delete_list after
3148 all delete_null_pointer_checks_1 passes are done.
3150 2001-04-04 Richard Henderson <rth@redhat.com>
3152 * configure.in (gcc_cv_as_leb128): Tweek minor number extraction.
3153 * configure: Rebuilt.
3155 2001-04-04 Zack Weinberg <zackw@stanford.edu>
3157 * expr.h: Remove #ifdef FUNCTION_CONVERSION_BUG logic.
3158 * config/romp/xm-romp.h: Delete.
3160 2001-04-04 Bernd Schmidt <bernds@redhat.com>
3162 * sched-deps.c (sched_analyze_insn): Partially revert March 27
3165 2001-04-04 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3167 * emit-rtl.c (mark_label_nuses) Increment the label uses for
3168 all labels present in rtx.
3169 (try_split) Call new function for all split insns.
3171 2001-04-04 Jakub Jelinek <jakub@redhat.com>
3173 * recog.c (validate_replace_rtx_1): Instead of aborting just make
3174 sure the change won't be validated.
3176 Wed Apr 4 00:45:38 EDT 2001 John Wehle (john@feith.com)
3178 * rtl.h (set_noop_p): Declare.
3179 * flow.c (set_noop_p): Move from here ...
3180 * rtlanal.c (set_noop_p): ... to here and enhance.
3181 * cse.c (delete_trivially_dead_insns): Use it.
3182 * gcse.c (hash_scan_set): Likewise.
3183 * jump.c (delete_noop_moves): Likewise.
3184 * recog.c (split_all_insns): Likewise.
3186 2001-04-04 Alan Modra <alan@linuxcare.com.au>
3188 * dwarf2out.c (dwarf2out_frame_debug_expr): Support adjusting
3189 stack pointer via a LO_SUM. Ditto for setting a temp register
3190 used to save to the stack. Set cfa_temp when setting fp, and
3191 allow matches to cfa_temp in addition to cfa_store when saving
3192 regs. Handle POST_INC and LO_SUM register stores. Document the
3193 changes and errors in rule 12 doco.
3195 * pa.c (set_reg_plus_d, store_reg, load_reg): Return last insn.
3196 (actual_fsize, local_fsize, save_fregs): Move for store_reg to see.
3197 (load_reg): Move closer to epilogue code.
3198 (DO_FRAME_NOTES): Define to control the following..
3199 (FRP): Define to set RTX_FRAME_RELATED_P on insns.
3200 (hppa_expand_prologue): Use FRP and REG_FRAME_RELATED_EXPR
3202 (hppa_expand_epilogue): Likewise.
3204 2001-04-03 Richard Henderson <rth@redhat.com>
3206 * configure.in (gcc_cv_as_leb128): Reject gas before 2.11.
3207 * configure: Rebuild.
3209 2001-04-03 Richard Henderson <rth@redhat.com>
3211 * rtl.h (LCT_THROW): New.
3212 * calls.c (emit_library_call_value_1): Handle it.
3213 * except.c (connect_post_landing_pads): Use it.
3215 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3217 * gansidecl.h: Delete file.
3218 * configure.in: Change all refs to gansidecl.h to use
3219 ansidecl.h. Adjust *_file_list so they know where ansidecl.h
3221 * configure: Regenerate.
3223 * Makefile.in (intl.o): Don't depend on gansidecl.h.
3224 * defaults.h: s/gansidecl.h/ansidecl.h/ in comment.
3225 * ggc.h, config/fr30/fr30.h, config/mcore/mcore.c:
3226 Don't include gansidecl.h.
3227 * intl.c, main.c, version.c, fixinc/fixlib.h,
3228 fixinc/procopen.c, fixinc/server.c: Include ansidecl.h not
3231 Tue Apr 3 19:41:21 CEST 2001 Jan Hubicka <jh@suse.cz>
3233 * i386.c (ix86_force_to_memory, ix86_free_from_memory):
3236 2001-04-03 Zack Weinberg <zackw@stanford.edu>
3238 * config/i386/xm-beos.h, config/i386/xm-isc.h,
3239 config/i386/xm-next.h, config/i386/xm-sco.h,
3240 config/i386/xm-sco5.h, config/m68k/xm-plexus.h,
3241 config/m88k/xm-m88k.h: Delete.
3243 * config/i386/xm-djgpp.h: Don't define __MSDOS__.
3244 * config/romp/xm-romp.h: Don't define bcopy.
3245 * config/rs6000/xm-beos.h: Don't define bcopy, HAVE_VPRINTF,
3246 HAVE_PUTENV, HAVE_RENAME, or USE_C_ALLOCA.
3248 * config.gcc: Remove references to deleted files.
3250 14 xm-host.h remain, 1 xm-cpu.h.
3252 2001-04-03 Jakub Jelinek <jakub@redhat.com>
3253 David S. Miller <davem@pierdol.cobaltmicro.com>
3254 Andrew MacLeod <amacleod@redhat.com>
3256 Use byte offsets in SUBREGs instead of words.
3258 * alias.c (nonlocal_mentioned_p): Use subreg_regno function.
3259 * caller-save.c (mark_set_regs): Change callers of subreg_hard_regno
3260 to pass new argument.
3261 (add_stored_regs): Use subreg_regno_offset function.
3262 * calls.c (expand_call): For non-paradoxical SUBREG take endianess
3264 (precompute_arguments): Use gen_lowpart_SUBREG.
3265 * combine.c (try_combine): Replace explicit XEXP with SUBREG_REG.
3266 (combine_simplify_rtx): Rework to use SUBREG_BYTE.
3267 (simplify_set): Rework to use SUBREG_BYTE.
3268 (expand_field_assignment): Use SUBREG_BYTE.
3269 (make_extraction): Use SUBREG_BYTE.
3270 (if_then_else_cond): Use SUBREG_BYTE.
3271 (apply_distributive_law): Use SUBREG_BYTE and fixup subreg comments.
3272 (gen_lowpart_for_combine): Compute full byte offset.
3273 * cse.c (mention_regs): Use SUBREG_BYTE.
3274 (remove_invalid_subreg_refs): Rework to use SUBREG_BYTE.
3275 (canon_hash): Use SUBREG_BYTE.
3276 (fold_rtx): Pass SUBREG_BYTE div UNITS_PER_WORD to operand_subword.
3277 (gen_lowpart_if_possible): Formatting.
3278 * dbxout.c (dbxout_symbol_location): Compute SUBREG hard regnos
3280 * dwarf2out.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3281 (mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3282 (loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3283 * dwarfout.c (is_pseudo_reg): Fixup explicit XEXP into SUBREG_REG
3284 (output_mem_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3285 (output_loc_descriptor): Fixup explicit XEXP into SUBREG_REG
3286 * emit-rtl.c (gen_rtx_SUBREG): New function, used to verify
3287 certain invariants about SUBREGs the compiler creates.
3288 (gen_lowpart_SUBREG): New function.
3289 (subreg_hard_regno): New function to get the final register number.
3290 (gen_lowpart_common): Use SUBREG_BYTE.
3291 (gen_imagpart): Spacing nits.
3292 (subreg_realpart_p): Use SUBREG_BYTE.
3293 (gen_highpart): Use SUBREG_BYTE.
3294 (subreg_lowpart_p): Always compute endian corrected goal offset,
3295 even at the byte level, then compare against that.
3296 (constant_subword): New function, pulled out all constant cases
3297 from operand_subword and changed second argument name to offset.
3298 (operand_subword): Detect non REG/SUBREG/CONCAT/MEM cases early
3299 and call constant_subword to do the work. Return const0_rtx if
3300 looking for a word outside of OP.
3301 (operand_subword_force): Change second arg name to offset.
3302 * expmed.c (store_bit_field): Use SUBREG_BYTE.
3303 (store_split_bit_field): Use SUBREG_BYTE.
3304 (extract_bit_field): Use SUBREG_BYTE.
3305 (extract_split_bit_field): Use SUBREG_BYTE.
3306 (expand_shift): Use SUBREG_BYTE.
3307 * expr.c (store_expr, expand_expr): Use gen_lowpart_SUBREG.
3308 * final.c (alter_subreg) Use subreg_hard_regno and SUBREG_BYTE.
3309 * flow.c (set_noop_p): Use SUBREG_BYTE.
3310 (mark_set_1): Remove ALTER_HARD_SUBREG. Use subreg_regno_offset instead.
3311 * function.c (fixup_var_refs_1): Fixup explicit XEXP into a SUBREG_REG.
3312 (fixup_memory_subreg): Use SUBREG_BYTE and remove byte endian
3314 (optimize_bit_field): Use SUBREG_BYTE.
3315 (purge_addressof_1): Use SUBREG_BYTE.
3316 (purge_single_hard_subreg_set): Use subreg_regno_offset function.
3317 (assign_params): Mark arguments SUBREG_PROMOTED_VAR_P if they are
3318 actually promoted by the caller and PROMOTE_FOR_CALLS_ONLY is true.
3319 * gengenrtl.c (special_rtx): Add SUBREG.
3320 * global.c (mark_reg_store): Use SUBREG_BYTE.
3321 (set_preference): Rework to use subreg_regno_offset and SUBREG_BYTE.
3322 * ifcvt (noce_emit_move_insn): Use SUBREG_BYTE.
3323 * integrate.c (copy_rtx_and_substitute): Use SUBREG_BYTE and make sure
3324 final byte offset is congruent to subreg's mode size.
3325 (subst_constants): Use SUBREG_BYTE.
3326 (mark_stores): Use subreg_regno_offset function.
3327 * jump.c (rtx_renumbered_equal_p, true_regnum): Use subreg_regno_offset
3328 function and SUBREG_BYTE.
3329 * local-alloc.c (combine_regs): Use subreg_regno_offset function.
3330 (reg_is_born): Use subreg_hard_regno.
3331 * recog.c (valid_replace_rtx_1): Use SUBREG_BYTE and remove byte
3332 endian correction code. Don't combine subregs unless resulting
3333 offset aligns with type. Fix subreg constant extraction for DImode.
3334 Simplify SUBREG of VOIDmode CONST_DOUBLE.
3335 (general_operand): Remove dead mode_altering_drug code.
3336 (indirect_operand): Use SUBREG_BYTE.
3337 (constrain_operands): Use subreg_regno_offset function.
3338 * reg-stack.c (get_true_reg): Use subreg_regno_offset function.
3339 * regmove.c (regmove_optimize): Use SUBREG_BYTE.
3340 (optimize_reg_copy_3): Use gen_lowpart_SUBREG.
3341 * regs.h (REG_SIZE): Allow target to override.
3342 (REGMODE_NATURAL_SIZE): New macro which target can override.
3343 * reload.c (reload_inner_reg_of_subreg): subreg_regno should be used
3344 on the entire subreg rtx.
3345 (push_reload): Use SUBREG_BYTE in comments and code.
3346 (find_dummy_reload): Use subreg_regno_offset. Only adjust offsets
3347 for hard registers inside subregs.
3348 (operands_match_p): Use subreg_regno_offset.
3349 (find_reloads): Use SUBREG_BYTE and only advance offset for subregs
3350 containing hard regs.
3351 (find_reload_toplev): Use SUBREG_BYTE. Remove byte endian
3352 corrections when fixing up MEM subregs.
3353 (find_reloads_address_1): Use SUBREG_BYTE, subreg_regno, and
3354 subreg_regno_offset where appropriate.
3355 (find_reloads_subreg_address): Use SUBREG_BYTE. Remove
3356 byte endian corrections when fixing up MEM subregs.
3357 (subst_reloads): When combining two subregs, make sure final
3358 offset is congruent to subreg's mode size.
3359 (find_replacement): Use SUBREG_BYTE and subreg_regno_offset.
3360 (refers_to_regno_for_reload_p): Use subreg_regno.
3361 (reg_overlap_mentioned_for_reload_p): Use subreg_regno_offset.
3362 * reload1.c (eliminate_regs) Use SUBREG_BYTE. Remove byte endian
3363 correction code for memory subreg fixups.
3364 (forget_old_reload_1): Use subreg_regno_offset.
3365 (choose_reload_regs): Use subreg_regno.
3366 (emit_input_reload_insns): Use SUBREG_BYTE.
3367 (reload_combine_note_store): Use subreg_regno_offset.
3368 (move2add_note_store): Use subreg_regno_offset.
3369 * resource.c (update_live_status, mark_referenced_resources): Use
3370 subreg_regno function.
3371 (mark_set_resources): Use subreg_regno function.
3372 * rtl.h (SUBREG_WORD): Rename to SUBREG_BYTE.
3373 (subreg_regno_offset, subreg_regno): Define prototypes.
3374 (subreg_hard_regno, constant_subword, gen_rtx_SUBREG): Newi functions.
3375 (gen_lowpart_SUBREG): Add prototype.
3376 * rtl.texi (subreg): Update to reflect new byte offset representation.
3377 Add mentioning of the effect that BYTES_BIG_ENDIAN has on subregs now.
3378 * rtlanal.c (refers_to_regno_p): Use subreg_regno.
3379 (reg_overlap_mentioned_p): Use subreg_regno.
3380 (replace_regs); Make sure final offset of combined subreg is
3381 congruent to size of subreg's mode.
3382 (subreg_regno_offset): New function.
3383 (subreg_regno): New function.
3384 * sched-vis.c (print_value): Change SUBREG_WORD to SUBREG_BYTE.
3385 * sdbout.c (sdbout_symbol): Compute offset using alter_subreg.
3386 * stmt.c (expand_anon_union_decl): Use gen_lowpart_SUBREG.
3387 * tm.texi (ALTER_HARD_SUBREG): Remove, it is now dead.
3388 (SUBREG_REGNO_OFFSET): Describe SUBREG_REGNO_OFFSET overrides.
3389 * config/a29k/a29k.c (gpc_reg_operand): Use subreg_regno.
3390 (a29k_get_reloaded_address): Use SUBREG_BYTE.
3391 (print_operand): Use SUBREG_BYTE.
3392 * config/alpha/alpha.c (print_operand_address): Use SUBREG_BYTE.
3393 * config/arm/arm.c (arm_reload_in_hi): Use SUBREG_BYTE.
3394 (arm_reload_out_hi): Use SUBREG_BYTE.
3395 * config/d30v/d30v.c (d30v_split_double): Use subreg_regno_offset
3396 instead of SUBREG_WORD.
3397 (d30v_print_operand_memory_reference): Use subreg_regno_offset.
3398 * config/dsp16xx/dsp16xx.md (extendqihi2, zero_extendqihi2): Fix
3399 SUBREG creation to use byte offset.
3400 * config/h8300/h8300.md (Unnamed HImode zero extraction and 16bit
3401 inverted load insns): Fix explicit rtl subregs to use byte
3403 * config/i370/i370.md (cmpstrsi, movstrsi, mulsi3, divsi3,
3404 udivsi3, umodsi3): Generate SUBREGs with byte offsets.
3405 * config/i860/i860.c (single_insn_src_p): Use SUBREG_BYTE.
3406 * config/i860/i860.md (mulsi3_big): Fixup explicit SUBREGs in rtl
3407 to use byte offsets.
3408 (unnamed fmlow.dd insn): Fixup SUBREGS to use byte offsets.
3409 * config/i960/i960.md (extendhisi2): Generate SUBREGs with byte
3410 offsets, also make sure it is congruent to SUBREG's mode size.
3411 (extendqisi2, extendqihi2, zero_extendhisi2, zero_extendqisi2,
3412 unnamed ldob insn): Generate SUBREGs with byte offset.
3413 (zero_extendqihi2): SUBREG's are byte offsets.
3414 * config/m68hc11/m68hc11.c (m68hc11_gen_lowpart): Use SUBREG_BYTE.
3415 (m68hc11_gen_highpart): Use SUBREG_BYTE.
3416 * config/m68k/m68k.md (zero_extendhisi2, zero_extendqihi2,
3417 zero-extendqisi2): Generate SUBREGs with byte offset.
3418 (umulsidi3, mulsidi3, subreghi1ashrdi_const32,
3419 subregsi1ashrdi_const32, subreg1lshrdi_const32): Fixup explicit
3420 subregs in rtl to use byte offsets.
3421 * config/m88k/m88k.md (extendsidi2): fixup subregs to use byte offset.
3422 * config/mips/mips.c (mips_move_1word): Use subreg_regno_offset.
3423 (mips_move_2words): Use subreg_regno_offset.
3424 (mips_secondary_reload_class): Use subreg_regno_offset.
3425 * config/mips/mips.md (DImode plus, minus, move, and logical op
3426 splits): Fixup explicit subregs in rtl to use byte offsets.
3427 * config/mn10200/mn10200.c (print_operand): Use subreg_regno function.
3428 * config/mn10300/mn10300.c (print_operand): Use subreg_regno function.
3429 * config/ns32k/ns32k.md (udivmoddisi4): Fix explicit subregs in
3430 rtl to use byte offsets.
3431 * config/pa/pa.c (emit_move_sequence): Use SUBREG_BYTE.
3432 * config/pa/pa.md (floatunssisf2, floatunssidf2, mulsi3): fix explicit
3433 subregs to use byte offsets.
3434 * config/pdp11/pdp11.md (zero_extendhisi2, modhi3, modhi3+1):
3435 Fixup explicit subregs in rtl to use byte offsets.
3436 * config/romp/romp.c (memory_offset_in_range_p): Use SUBREG_BYTE
3437 and remove byte endian correction code.
3438 * config/sh/sh.c (output_movedouble): Use subreg_regno.
3439 (gen_ashift_hi): Use SUBREG_BYTE.
3440 (regs_used): Use subreg_regno_offset.
3441 (machine_dependent_reorg): Use subreg_regno_offset.
3442 * config/sh/sh.h (INDEX_REGISTER_RTX_P): Use SUBREG_BYTE.
3443 * config/sh/sh.md (DImode and DFmode move splits): Use subreg_regno.
3444 (movdf_i4): Subregs are byte offsets now.
3445 * config/sparc/sparc.c (ultra_find_type): Use SUBREG_BYTE.
3446 * config/sparc/sparc.h (ALTER_HARD_SUBREG): Removed.
3447 (REGMODE_NATURAL_SIZE): Override.
3448 (REG_SIZE): For SUBREG check float mode on SUBREG_REG's mode.
3449 * config/sparc/sparc.md (TFmode move splits): Generate SUBREGs
3451 (zero_extendhisi2, zero_extendqidi2_insn, extendhisi2,
3452 extendqihi2, sign_extendqihi2_insn, sign_extendqisi2_insn,
3453 extendqidi2): Generate SUBREGs with byte offsets, also make sure
3454 it is congruent to SUBREG's mode size.
3455 (smulsi3_highpart_v8plus): Fix explicit subregs in rtl to use byte
3457 (cmp_siqi_trunc, cmp_siqi_trunc_set, cmp_diqi_trunc,
3458 cmp_diqi_trunc_set, lshrdi3_v8plus+1, lshrdi3_v8plus+2,
3459 lshrdi3_v8plus+3, lshrdi3_v8plus+4): Use proper
3460 SUBREG_BYTE offset for non-paradoxical subregs in patterns.
3461 * config/v850/v850.c (print_operand, output_move_double): Use
3462 subreg_regno function.
3464 2001-04-03 Alexandre Oliva <aoliva@redhat.com>
3466 * configure.in (target_subdir): Use target_alias, not target.
3467 * configure: Rebuilt.
3469 * config/sh/crtn.asm (init, fini): Restore r15 from r14, not the
3471 * config/sh/crti.asm: Fix typos in comments.
3473 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3475 * pa.h: Revise comments for TARGET_NO_SPACE_REGS and
3476 TARGET_FAST_INDIRECT_CALLS.
3477 * pa.c (override_options): TARGET_NO_SPACE_REGS is now OK with
3479 (return_addr_rtx): Short circuit export stub matching when
3480 TARGET_NO_SPACE_REGS.
3481 (output_millicode_call): For out of range calls, make -fPIC
3482 take precedence, then TARGET_PORTABLE_RUNTIME, then ble. Don't
3483 return before delay slot checks when TARGET_PORTABLE_RUNTIME.
3484 * pa.md: Modify length attr calculation of all millicode insns to
3487 2001-04-02 Geoffrey Keating <geoffk@redhat.com>
3489 * configure.in (gcc_cv_as_leb128): Correct name of cache variable.
3490 Require at least 2.11 in the version test. Specifically check
3491 for and reject GAS version 2.10.90.
3492 * configure: regenerate.
3494 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3496 * pa.c (override_options): Remove PIC profiling warning.
3497 (hp_profile_labelno): Delete.
3498 (hp_profile_label_rtx): Delete.
3499 (hp_profile_label_name): Delete.
3500 (pa_add_gc_roots): Remove reference to hp_profile_label_rtx.
3501 (output_function_prologue): Remove profiling code and all tests on
3502 profile_flag. Move store of PIC_OFFSET_TABLE_REGNUM now that
3503 merge_sp_adjust_with_store can work for PIC and profiling.
3504 (hppa_expand_epilogue): Remove profile_flag test.
3505 (hppa_can_use_return_insn_p): Likewise.
3506 (hppa_init_pic_save): Emit before tail_recursion_reentry, and
3507 cater for PROFILE_HOOK.
3508 (hppa_profile_hook): New function.
3509 * pa.h (FUNCTION_PROFILER): Now does nothing.
3510 (PROFILE_HOOK): Define.
3511 (hppa_profile_hook): Declare.
3512 (PROFILE_BEFORE_PROLOGUE): Delete.
3513 (ASM_OUTPUT_REG_PUSH): Delete.
3514 (ASM_OUTPUT_REG_POP): Delete.
3515 * pa.md (call_profiler): Turn it into a call insn, and don't `use'
3516 r24. Accept function name operand, and use this and a locally
3517 generated label to calculate pc-rel offset to func start.
3519 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3521 * $(HOST_PREFIX_1)errors.o, $(HOST_PREFIX_1)ggc-none.o,
3522 ggc-common.o, ggc-simple.o, ggc-page.o, ggc-none.o: Depend on
3525 2001-04-03 Alan Modra <alan@linuxcare.com.au>
3527 * dwarf2out.c (dwarf2out_frame_debug_expr): Move errant HIGH and
3528 LO_SUM cases to where they belong.
3530 2001-04-02 Richard Henderson <rth@redhat.com>
3532 * except.h (lang_eh_type_covers): Mark extern.
3533 (lang_eh_runtime_type): Likewise.
3535 2001-04-02 Zack Weinberg <zackw@stanford.edu>
3537 * genattr.c, gencheck.c, gencodes.c, genconfig.c, genflags.c,
3538 gengenrtl.c: Wrap generated header in multiple-include guard.
3539 Improve error checking.
3541 2001-04-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3543 * configure.in: Don't check for putenv.
3544 * configure: Regenerate.
3545 * gcc.c (putenv): Don't define.
3546 * vax/xm-vms.h: Handle putenv.
3548 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3550 * ifcvt.c (noce_emit_move_insn): New.
3551 (noce_try_store_flag, noce_try_store_flag_constants,
3552 noce_try_store_flag_inc, noce_try_store_flag_mask,
3553 noce_try_cmove, noce_try_cmove_arith, noce_try_minmax,
3554 noce_try_abs): Use it.
3555 (noce_process_if_block): Likewise.
3556 For STRICT_LOW_PART, take mode from its SUBREG.
3558 2001-04-02 Jakub Jelinek <jakub@redhat.com>
3560 * fold-const.c (fold): Before optimizing unsigned comparison with
3561 0x7fffffffU, make sure arg0 is integral type.
3563 2001-04-02 Joseph S. Myers <jsm28@cam.ac.uk>
3565 * c-tree.texi: Document representation of wide strings.
3567 2001-04-01 Richard Henderson <rth@redhat.com>
3569 * except.h (expand_builtin_dwarf_fp_regnum): Declare.
3571 Sun Apr 1 11:49:05 CEST 2001 Jan Hubicka <jH@suse.cz>
3573 * i386.md: remove obsoleted comments.
3574 (adddi_?): Rename to adddi_?_rex64; disable for 32bit.
3575 (x86_movsicc_0_m1_rex64): Rename to x86_movdicc_0_m1_rex64;
3576 fix output template.
3578 2001-03-31 Marek Michalkiewicz <marekm@linux.org.pl>
3580 * config/avr/libgcc.S (__mulhi3): Optimize previous change.
3582 2001-03-30 Bernd Schmidt <bernds@redhat.com>
3584 * loop.c (load_mems): When generating a load from a pseudo, update
3587 Fri Mar 30 17:36:43 CEST 2001 Jan Hubicka <jh@suse.cz>
3589 * i386.c (ix86_split_long_move): Use change address to compensate
3590 stack pointer change in push instruction.
3592 Fri Mar 30 00:31:00 CEST 2001 Jan Hubicka <jh@suse.cz>
3594 * i386.md (sse_movdfcc_eq): Fix constraint (sse_mov?fcc splitter): Use operands_match_p
3595 instead of rtx_equal_p; fix the output template.
3597 Fri Mar 30 00:21:41 CEST 2001 Jan Hubicka <jh@suse.cz>
3599 * i386.c (ix86_expand_setcc): Support 64bit.
3600 (ix86_expand_int_movcc): Likewise.
3601 * i386.md (movdicc_rex64, x86_movsicc_0_m1_rex64, movdicc_c_rex64):
3604 * i386.md (allocate_stack_worker): Turn to expander.
3605 (allocate_stack_worker_1, allocate_stack_worker_rex64): New insns.
3607 * i386.c (print_reg): Do not print x86_64 style regs on IA-32
3609 2001-03-29 Richard Henderson <rth@redhat.com>
3611 * libgcc2.c [L__main]: Include unwind-dw2-fde.h instead of frame.h.
3613 2001-03-28 Matthew Hiller <hiller@redhat.com>
3615 * config/mn10300/mn10300.md (cmpsi): Fix first alternative's
3618 * MAINTAINERS: Added self.
3620 2001-03-28 Richard Henderson <rth@redhat.com>
3622 * Makefile.in (cs-tconfig.h): Depend on CONFIG_H, not GCONFIG_H.
3623 Use ALL_CFLAGS not HOST_CFLAGS for sjlj detection.
3625 2001-03-28 Jim Wilson <wilson@redhat.com>
3627 * config/ia64/ia64.md (movtf): Change DImode to TFmode in calls to
3630 2001-03-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3632 * toplev.h (fatal_error): Add ATTRIBUTE_NORETURN.
3634 * tradcif.y (yyerror): Likewise. Add format specifier in call to
3637 * tradcpp.c (macroexpand): Likewise for call to `error_with_line'.
3639 2001-03-28 DJ Delorie <dj@redhat.com>
3641 * Makefile.in (stage1_build): Revert CFLAGS patch.
3643 2001-03-28 Marek Michalkiewicz <marekm@linux.org.pl>
3645 * config/avr/libgcc.S (__mulhi3): Correct tests to exit the loop
3646 when multiplier or multiplicand is zero.
3648 2001-03-28 Bernd Schmidt <bernds@redhat.com>
3650 * cselib.c (hash_rtx): Don't do tail recursion elimination by hand.
3652 * config/ia64/ia64.c (update_set_flags): New function, broken out of
3654 (set_src_needs_barrier): Likewise.
3655 (rtx_needs_barrier): For SET case, use these two functions. Rework
3656 PARALLEL case to handle all inputs before all outputs.
3657 (emit_insn_group_barriers): Call init_insn_group_barriers only if we
3658 saw a label and no stop bit since then.
3659 (maybe_rotate, process_epilogue): Add prototypes.
3661 2001-03-28 Richard Henderson <rth@redhat.com>
3663 * config/rs6000/rs6000.h (EPILOGUE_USES): Use TARGET_AIX,
3664 not TARGET_TOC for special toc restore handling.
3665 * config/rs6000/rs6000.md (eh_return): Likewise.
3667 2001-03-28 Richard Henderson <rth@redhat.com>
3669 * config/sparc/sparc.c (eligible_for_epilogue_delay): False if
3670 current_function_calls_eh_return.
3671 (output_function_epilogue): Handle eh_return.
3672 * config/sparc/sparc.h (DOESNT_NEED_UNWINDER): Remove.
3673 (EH_RETURN_DATA_REGNO): New.
3674 (EH_RETURN_STACKADJ_RTX): New.
3675 (EH_RETURN_HANDLER_RTX): New.
3676 * config/sparc/sparc.md (call/short branch peepholes): Check
3677 can_throw_internal instead of in_same_eh_region.
3679 * config/rs6000/rs6000.c (rs6000_stack_info): Allocate space
3680 for eh_return data registers.
3681 (rs6000_emit_prologue): Save eh_return data registers.
3682 (rs6000_emit_epilogue): Force inline restores if eh_return.
3683 Restore eh_return data registers. Mind EH_RETURN_STACKADJ_RTX.
3684 * config/rs6000/rs6000.h (rs6000_stack_t): Add ehrd_offset.
3685 (EH_RETURN_DATA_REGNO, EH_RETURN_STACKADJ_RTX): New.
3686 (EPILOGUE_USES): True for TOC_REGISTER if calls_eh_return and
3687 the target uses one.
3688 * config/rs6000/rs6000.md (eh_epilogue, eh_reg_restore): Remove.
3689 (return_eh_si, return_eh_di): Remove.
3690 (eh_return): New, from corpse of eh_epilogue.
3691 (eh_set_lr_si, eh_set_lr_di): New.
3693 * config/i386/i386.c (general_no_elim_operand): Disallow virtual regs.
3694 (ix86_save_reg): If maybe_eh_return, true for EH_RETURN_DATA_REGNOs.
3695 True for pic register if current_function_calls_eh_return.
3696 (ix86_expand_epilogue): Change "emit_return" argument into "style".
3697 Handle eh_return requirements.
3698 * config/i386/i386.h (EH_RETURN_DATA_REGNO): New.
3699 (EH_RETURN_STACKADJ_RTX): New.
3700 * config/i386/i386.md (exception_receiver): Remove.
3701 (eh_return, eh_return_1): New.
3702 * config/i386/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3704 * config/alpha/alpha.c (alpha_sa_mask): Add EH_RETURN_DATA_REGNOs.
3705 (alpha_mark_machine_status): No eh_epilogue_sp_ofs ...
3706 (alpha_expand_epilogue): ... use EH_RETURN_STACKADJ_RTX instead.
3707 * config/alpha/alpha.h (machine_function): Remove eh_epilogue_sp_ofs.
3708 (EH_RETURN_DATA_REGNO): New.
3709 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): New.
3710 * config/alpha/alpha.md (eh_epilogue): Remove.
3711 (exception_receiver): Use $26 for ldgp input.
3712 * config/alpha/linux.h (MD_FALLBACK_FRAME_STATE_FOR): New.
3714 2001-03-28 Richard Henderson <rth@redhat.com>
3716 * except.c: Rewrite entirely for IA-64 ABI exception handling.
3717 * except.h: Likewise.
3719 * Makefile.in (LIB2ADDEH): Mention unwind-dw2*.c
3720 (LIB2ADDEHDEP): New.
3721 (LIB2FUNCS_EH): Remove.
3722 (LIB2ADD): Remove LIB2ADDEH.
3723 (libgcc.mk): Pass LIB2ADDEHDEP, don't pass LIB2FUNCS_EH.
3724 (LIBGCC_DEPS): Use LIB2ADDEHDEP.
3725 (crt{begin,end}[S].o): Likewise.
3726 (except.o): Update includes.
3727 * mklibgcc.in: Remove LIB2FUNCS_EH, add LIB2ADDEH, LIB2ADDEHDEP.
3728 (libgcc2_c_dep): Use LIB2ADDEHDEP.
3730 * basic-block.h (struct basic_block_def): Remove eh_beg, eh_end.
3731 * bb-reorder.c (reorder_basic_blocks): Don't disable for EH.
3732 * builtins.def (BUILT_IN_EH_RETURN_DATA_REGNO): New.
3733 * builtins.c (expand_builtin): Implement it.
3734 [BUILT_IN_EH_RETURN]: Update for nr arguments change.
3735 * c-common.c (c_common_nodes_and_builtins): Declare it.
3736 * c-decl.c (init_decl_processing): Update __builtin_eh_return.
3737 * calls.c (libfunc_nothrow): Remove.
3738 (emit_library_call_value_1): Don't call it.
3739 * crtstuff.c: Include unwind-dw2-fde.h instead of frame.h.
3740 * dwarf2.h (dwarf_call_frame_info): Add dwarf2.1 elements.
3741 (DW_EH_PE_*): New defines for pointer encoding in .eh_frame.
3742 * dwarf2out.c (struct dw_fde_struct): Add uses_eh_lsda, funcdef_number.
3743 (current_funcdef_number): Globalize.
3744 (output_call_frame_info): Emit frame data if an lsda is needed.
3745 Generate augmentation for personality routine. Don't play with
3747 (dwarf2out_begin_prologue): Record funcdef_number.
3748 * dwarf2out.h (current_funcdef_number): Declare.
3749 * expr.c (expand_expr): Update for except.h name changes.
3750 Remove POPDCC_EXPR, POPDHC_EXPR. Add EXC_PTR_EXPR.
3751 * expr.h (LTI_throw, LTI_rethrow): Remove.
3752 (LTI_sjthrow, LTI_sjpopnthrow, LTI_terminate): Remove.
3753 (LTI_eh_rtime_match): Remove.
3754 (LTI_unwind_resume, LTI_eh_personality): Add.
3755 (LTI_unwind_sjlj_register, LTI_unwind_sjlj_unregister): Add.
3756 * final.c (final): Don't call check_exception_handler_labels,
3757 init_insn_eh_region, or free_insn_eh_region.
3758 (final_scan_insn): Always emit debug labels for
3759 NOTE_INSN_EH_REGION notes.
3760 * flags.h (flag_new_exceptions): Remove.
3761 * flow.c (entry_exit_blocks): Remove eh_beg, eh_end.
3762 (record_active_eh_regions): Remove.
3763 (count_basic_blocks): Check all instructions for REG_EH_REGION.
3764 Use can_throw_internal.
3765 (find_basic_blocks_1): Likewise.
3766 (move_stray_eh_region_notes): Remove.
3767 (find_label_refs): No eh_return_stub_label.
3768 (make_edges): Likewise. No init/free_eh_nesting_info. Handle RESX.
3769 (make_eh_edge): No eh_nest_info. Update for reachable_handlers
3771 (delete_unreachable_blocks): Don't track deleted handlers.
3772 (flow_delete_block): Use maybe_remove_eh_handler.
3773 (delete_eh_regions): Remove.
3774 (merge_blocks): Don't check for eh region match.
3775 (mark_regs_live_at_end): Handle EH_RETURN_DATA_REGNO,
3776 EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX.
3777 (init_propagate_block_info): Disable dead frame store optimization
3778 when current_function_calls_eh_return.
3779 (dump_bb): Don't print eh_beg, eh_end.
3780 * function.c (fixup_var_refs): No catch_clauses.
3781 (expand_function_end): Likewise. Call expand_eh_return before
3782 the return register use. Call sjlj_emit_function_exit_after.
3783 (expand_function_start): Force pseudo DECL_RESULT if sjlj exceptions.
3784 * function.h (struct function): Add calls_eh_return, uses_eh_lsda.
3785 * ifcvt.c (dead_or_predicable): Remove eh region check.
3786 * integrate.c (function_cannot_inline_p): Disallow __builtin_eh_return.
3787 Don't check for EH vs parameters.
3788 (expand_inline_function_eh_labelmap, eif_eh_map): Remove.
3789 (expand_inline_function): Call duplicate_eh_regions.
3790 (copy_insn_list): Don't handle NOTE_INSN_EH_REGION_BEG/END.
3791 (copy_insn_notes): Remap REG_EH_REGION notes.
3792 (copy_rtx_and_substitute): Remove SYMBOL_REF_NEED_ADJUST check.
3793 * integrate.h (struct inline_remap): Add local_return_label.
3794 * jump.c (jump_optimize_1): Don't init/free_insn_eh_region, nor
3795 check_exception_handler_labels, nor exception_optimize.
3796 (find_cross_jump): No EH region check.
3797 * optabs.c (init_optabs): Update for changed eh libfuncs.
3798 * rtl.def (RESX): New.
3799 * rtl.h (SYMBOL_REF_NEED_ADJUST): Remove.
3800 * stmt.c (expand_decl_cleanup): Simplify using_eh_for_cleanups_p
3801 checks. Update for except.h name changes.
3802 (expand_cleanups): Likewise.
3803 (expand_dcc_cleanup, expand_dhc_cleanup): Remove.
3804 * toplev.c (dump_file_index, dump_file): Add .02.eh dump.
3805 (compile_file): Call init_eh before init_optabs. Don't
3806 output_exception_table here.
3807 (rest_of_compilation): Call convert_from_eh_region_ranges,
3808 convert_to_eh_region_ranges, output_function_exception_table.
3809 Don't emit_eh_context.
3810 * tree.def (POPDHC_EXPR, POPDCC_EXPR): Remove.
3811 (EXC_PTR_EXPR): New.
3813 * md.texi (eh_epilogue): Remove.
3814 (eh_return): Document.
3815 * tm.texi (EH_RETURN_DATA_REGNO): Document.
3816 (EH_RETURN_STACKADJ_RTX, EH_RETURN_HANDLER_RTX): Document.
3818 * eh-common.h: Remove file.
3819 * frame-dwarf2.c, frame.c, frame.h: Remove files.
3820 * libgcc2.c (L_eh): Remove.
3822 * unwind-dw2-fde.c: New file, largely copied from frame.c.
3823 * unwind-dw2-fde.h: New file.
3824 * unwind-dw2.c: New file, largely cribbed from frame-dwarf2.c.
3825 * unwind-sjlj.c, unwind.h, unwind.inc: New files.
3826 * libgcc-std.ver: Update for eh symbols.
3828 2001-03-27 Richard Henderson <rth@redhat.com>
3830 * regmove.c (perhaps_ends_bb_p): Use can_throw_internal to
3831 reduce false positives.
3832 (regmove_optimize): Disable if flag_non_call_exceptions.
3834 * stmt.c (expand_return): Remove always true predicate.
3835 (expand_decl_cleanup_no_eh): Remove dead code.
3837 * sched-deps.c (sched_analyze_insn): Consolidate scheduling
3838 barrier code. Add a scheduling barrier if a non-call insn
3839 can throw internally.
3841 * rtlanal.c (rtx_addr_can_trap_p): Virtual registers cannot trap.
3842 Auto-inc addresses trap only if their base register does.
3844 * except.c (can_throw_internal): Rename from can_throw.
3845 * except.h, resource.c: Update references.
3847 * integrate.c (copy_insn_list): Use returnjump_p.
3848 (copy_insn_notes): Recurse for CALL_PLACEHOLDER.
3850 * function.h (struct function): Move all boolean valued fields
3851 to single bit fields at the end of the struct.
3853 * bb-reorder.c, dwarf2out.c, except.c, except.h, flow.c,
3855 Rename asynchronous_exceptions to flag_non_call_exceptions.
3857 * gthr-single.h (UNUSED): New. Distinguish between how C
3858 and C++ mark unused function arguments. Use throughout.
3860 * Makefile.in (cs-tconfig.h): Copy USING_SJLJ_EXCEPTIONS
3861 value to target configuration header.
3862 * configure.in (CONFIG_SJLJ_EXCEPTIONS): New.
3863 * config.in, configure: Rebuild.
3864 * except.h (USING_SJLJ_EXCEPTIONS): New. Define based on
3865 configuration and target defines.
3866 (exceptions_via_longjmp): Remove.
3867 * dwarf2out.c, except.c, final.c, toplev.c, config/ia64/ia64.c:
3868 Use USING_SJLJ_EXCEPTIONS instead of exceptions_via_longjmp.
3870 * except.h (flag_non_call_exceptions): Move ...
3871 * flags.h: ... here.
3873 * combine.c (distribute_notes) [REG_EH_REGION]: If non-call
3874 exceptions, put the note on the trapping instruction.
3876 * flags.h (flag_new_exceptions): Remove.
3877 * toplev.c: Don't set it.
3878 * final.c: Don't check it.
3879 * except.c: Provide stub definition.
3881 * flow.c (tidy_fallthru_edges): Don't combine complex edges.
3882 (calculate_global_regs_live): Kill call-clobbered registers
3883 across exception edges.
3884 * reg-stack.c (convert_regs_1): Kill the entire target stack
3885 across non-call exception edges.
3887 * flow.c (cleanup_cfg): Take no argument.
3888 * output.h, sibcall.c, toplev.c: Update all calls.
3890 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3892 * configure.in: Don't check for bcopy.
3893 * configure, config.in: Regenerate.
3895 * system.h: Don't define or prototype bcopy, instead poison it.
3897 2001-03-27 Richard Henderson <rth@redhat.com>
3899 * function.c (expand_function_start): Set DECL_REGISTER on
3900 a pseudo used for DECL_RESULT.
3902 * rtl.h (LCT_NORETURN): New.
3903 * calls.c (emit_library_call_value_1): Handle it.
3905 2001-03-27 Stan Shebs <shebs@apple.com>
3907 * objc/objc-act.c (objc_init): Use dump_base_name.
3908 (gen_declaration): Clear the buffer arg.
3909 (gen_declaration_1): New function, body of gen_declaration.
3910 (adorn_decl): Call gen_declaration_1 instead of gen_declaration.
3911 (gen_method_decl): Ditto, plus always clear buffer arg.
3912 (error_with_ivar): Simplify.
3913 (warn_with_method): Ditto.
3914 (build_message_expr): Don't clear buffers.
3915 (dump_interface): Ditto.
3916 (objc_debug): Ditto.
3917 (build_keyword_selector): Clear the buffer by only zeroing
3919 (objc_implementation_context): Declare.
3920 (start_class): Warn about missing @end.
3921 (finish_objc): Ditto.
3923 2001-03-28 John David Anglin <dave@hiauly1.hia.nrc.ca>
3925 * reload1.c (eliminate_regs): Don't abort on MEM USEs.
3927 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3929 * Makefile.in (SYSTEM_H): Define.
3930 Depend on $(SYSTEM_H), not system.h.
3932 * objc/Make-lang.in: Depend on $(SYSTEM_H), not system.h.
3934 2001-03-27 Jim Wilson <wilson@redhat.com>
3936 * final.c (final_scan_insn, case NOTE_INSN_BASIC_BLOCK): Call
3938 * config/ia64/ia64.c (block_num, need_copy_state): New static vars.
3939 (process_epilogue): New static function.
3940 (process_set): Call process_epilogue instead of emitting .restore
3942 (process_for_unwind_directive): Handle NOTE_INSN_BASIC_BLOCK.
3944 * flow.c (struct reg_cond_life_info): New fields orig_condition
3946 (init_propagate_block_info): Set new fields.
3947 (mark_regno_cond_dead): Set and use new fields.
3948 (flush_reg_cond_reg_1): Likewise.
3949 (and_reg_cond, case AND): Check for redundant AND conditions.
3950 (mark_used_reg): Delete unnecessary clears before freeing splay trees.
3953 2001-03-27 Neil Booth <neil@daikokuya.demon.co.uk>
3955 * cppmacro.c (stringify_arg): Null terminate strings.
3957 2001-03-27 Zack Weinberg <zackw@stanford.edu>
3959 * config.gcc (m68hc11-*-*, m68hc12-*-*): Convert to new tm.h
3960 inclusion style. xm-m68hc11.h no longer exists.
3961 * config/m68hc11/xm-m68hc11.h: Delete file.
3962 * config/m68hc11/m68hc12.h: Convert to new tm.h inclusion style.
3964 * config/m68hc11/m68hc11.h: Convert to new tm.h inclusion style.
3965 Don't define GCC_VERSION, N_, or PARAMS; don't include
3966 gansidecl.h or stdio.h. Define inhibit_libc here.
3967 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3968 Delete code conditioned on #if GCC_VERSION == 2095.
3970 * config/m68hc11/m68hc11-protos.h, config/m68hc11/m68hc11.c:
3971 Make code conditioned on #if GCC_VERSION > 2095 unconditional.
3972 Delete code conditioned on #if GCC_VERSION == 2095.
3974 2001-03-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3976 * system.h: Include symcat.h.
3977 (STRINGIFY): Don't define.
3979 * configure.in: Adjust comment.
3981 * builtins.c: Use STRINGX, not STRINGIFY.
3982 * gencheck.c: Likewise.
3983 * gengenrtl.c: Likewise.
3984 * protoize.c: Likewise.
3986 * cpplex.c: Don't include symcat.h.
3987 * cpplib.c: Likewise.
3989 * gansidecl.h (HAVE_STRINGIZE): Don't define.
3991 2001-03-27 Alan Modra <alan@linuxcare.com.au>
3993 * c-typeck.c (digest_init): Fold init expression.
3995 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3997 * sbitmap.c (sbitmap_copy): Call memcpy, not bcopy.
3999 2001-03-27 Alan Modra <alan@linuxcare.com.au>
4001 * except.c (eh_regs): Save results of build_pointer_type to a temp
4002 as FUNCTION_VALUE macro may evaluate its args multiple times.
4004 2001-03-26 Mark Mitchell <mark@codesourcery.com>
4006 * c-common.h (DECL_NUM_STMTS): New macro.
4007 * c-decl.c (duplicate_decls): Copy DECL_NUM_STMTS, not
4009 (pushdecl): Likewise.
4010 * c-semantics.c (add_stmt): Update DECL_NUM_STMTS.
4011 * integrate.c (expand_inline_function): Don't check
4013 * print-tree.c (print_node): Don't print it.
4014 * toplev.c (rest_of_compilation): Don't try to inline when
4015 flag_no_inline is on.
4016 * tree.h (DECL_FRAME_SIZE): Remove.
4017 (tree_decl): Adjust accordingly.
4019 2001-03-26 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4021 * combine.c (try_combine): Use memcpy, not bcopy.
4023 * genattrtab.c (expand_units): Likewise.
4025 Mon Mar 26 15:55:08 CEST 2001 Jan Hubicka <jh@suse.cz>
4027 * i386.md (push mem DI peep2): New.
4028 (mov 0, mov -1 peep2): Handle 64bit.
4029 (lea to arithmetics peep2): Handle 64bit leas.
4030 (rsp arithmetics to push/pop peep2s): New.
4032 * i386.md (truncdfsf2_3, trunctfsf2_2): Change predicate to memory_operand.
4034 Mon Mar 26 14:35:18 CEST 2001 Jan Hubicka <jh@suse.cz>
4036 * i386.c (struct machine_function): Add save_varrargs_registers.
4037 (ix86_save_varrargs_registers): New macro.
4038 (ix86_frame_layout): Support 64bit; support red zones and varrargs area.
4039 (ix86_expand_prologue): Likewise.
4040 (ix86_emit_epilogue_esp_adjustement): Likewise.
4041 (ix86_expand_epilogue): Likewise.
4042 * i386.md (pro_epilogue_adjust_stack): Turn to expander; support 64bit.
4043 (pro_epilogue_adjust_stack_1): New insn.
4044 (pro_epilogue_adjust_stack_rex64): Likewise.
4045 * i386.h (MASK_NO_RED_ZONE): New constant.
4046 (TARGET_RED_ZONE): New macro.
4047 (TARGET_OPTIONS): Add "red-zone" and "no-red-zone"
4048 (RED_ZONE_SIZE): New constant.
4049 (RED_ZONE_RESERVE): New constant.
4051 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4053 * toplev.c (set_float_handler): Use memcpy, not bcopy.
4055 2001-03-25 Kazu Hirata <kazu@hxi.com>
4057 * config/h8300/h8300.md (umodqi3): Output a tab instead of a
4060 (umodhi3): Likewise.
4063 2001-03-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4065 * mkconfig.sh (DEFINES): Handle entries with '='.
4067 * config.gcc: Don't use i370/xm-mvs.h or ns32k/xm-pc532-min.h.
4068 Set xm_defines to MACRO=value instead.
4070 * i370/xm-mvs.h: Delete.
4072 * ns32k/xm-pc532-min.h: Likewise.
4074 Sun Mar 25 15:01:40 CEST 2001 Jan Hubicka <jh@suse.cz>
4076 * i386.md (ashldi3, ashrdi3, lshrdi3): Change predicates to
4078 use ix86_expand_binary_operator
4079 (?sh??i_?): Disable for 64bit.
4080 * i386.h (PREDICATE_CODES): Add shiftdi_operand.
4081 * i386.c (shiftdi_operand): New predicate.
4083 * (ashldi3_1_rex64, ashldi3_cmp_rex64, ashlsi3_1_zext, ashlsi3_cmp_zext,
4084 ashrdi3_63_rex64, ashrdi3_1_one_bit_rex64, ashrdi3_1_rex64,
4085 ashrdi3_one_bit_cmp_rex64, ashrdi3_cmp_rex64, ashrsi3_31_zext,
4086 ashrsi3_1_one_bit_zext, ashrsi3_1_zext, ashrsi3_one_bit_cmp_zext,
4087 ashrsi3_cmp_zext, lshrdi3_1_one_bit_rex64, lshrdi3_1_rex64,
4088 lshrdi3_cmp_one_bit_rex64, lshrdi3_cmp_rex64, lshrsi3_1_one_bit_zext,
4089 lshrsi3_1_zext, lshrsi3_cmp_one_bit_zext, lshrsi3_cmp_zext,
4090 rotlsi3_1_one_bit_rex64, rotldi3_1_rex64,
4091 rotlsi3_1_one_bit_zext, rotlsi3_1_zext, rotrdi3_1_one_bit_rex64,
4092 rotrdi3_1_rex64, rotrsi3_1_one_bit_zext, rotrsi3_1_zext): New patterns.
4093 (rotldi3, rotrdi3): New expanders.
4095 Sun Mar 25 14:25:33 CEST 2001 Jan Hubicka <jh@suse.cz>
4097 * i386.md (movstrsi): Move offline.
4099 (strmovdi_rex64): New.
4100 (strmov?i): Accept 64bit.
4101 (strmov?i_rex64): New.
4102 (strmov?i_rex_1): New.
4103 (strmov?i_1): Disable for 64bit.
4104 (rep_mov?i_rex64): New.
4105 (rep_mov?i): Disable for 64bit.
4106 (clrstrsi): Move offline.
4107 (strset?i_rex64): New.
4108 (strset?i: Accept 64bit.
4109 (rep_stos?i): Disable for 64bit.
4110 (rep_stos?i_rex64): New.
4111 (strset?i_rex_1): New.
4112 (strset?i_1): Disable for 64bit.
4113 (cmpstrsi): Accept 64bit.
4114 (cmpstrsi_nz_1): Rename to cmpstrqi_nz_1; Disable for 64bit.
4115 (cmpstrqi_nz_rex_1): New.
4116 (cmpstrsi_1): Rename to cmpstrqi_1; Disable for 64bit.
4117 (strlensi): Move offline.
4119 (strlenqi_1): Disable for 64bit; fix constraints.
4120 (strlenqi_rex_1): New.
4121 * i386.c (ix86_adjust_counter): New static function.
4122 (ix86_zero_extend_to_Pmode): Likewise.
4123 (ix86_expand_aligntest): Likweise.
4124 (ix86_expand_strlensi_unroll_1): Make static; update for 64bit.
4125 (ix86_expand_movstr): New global function.
4126 (ix86_expand_clrstr): New global function.
4127 (ix86_expand_strlen): New global function.
4128 * i386-protos.h (ix86_expand_movstr, ix86_expand_clrstr,
4129 ix86_expand_strlen): Declare.
4130 (ix86_expand_strlensi_unroll_1): Delete.
4132 Sat Mar 24 23:15:19 CET 2001 Jan Hubicka <jh@suse.cz>
4134 * i386.md (cmpdi): Fix operand predicates.
4135 (cmpdi_ccno_1_rex64, cmpdi_minus_1_rex64, cmpdi_1_rex64,
4136 cmpdi_1_insn_rex64): New patterns.
4137 (adddi3): Turn to expander.
4138 (adddi3_1, adddi3_carry_rex64, adddi3_cc_rex64): New patterns.
4139 (addsi3_carry_zext): New pattern.
4140 (adddi_?_rex64): New patterns and splitters.
4141 (addsi_?_zext): New patterns.
4142 (subsi3_carry_zext): New pattern.
4143 (subdi_?_rex64): New patterns and splitters.
4144 (iorsi_?_zext): New patterns.
4145 (iordi_?_rex64): New patterns and splitters.
4146 (iorsi_?_zext): New patterns.
4147 (iorsi_?_zext_imm): New patterns.
4148 (xorsi_?_zext): New patterns.
4149 (xordi_?_rex64): New patterns and splitters.
4150 (xorsi_?_zext): New patterns.
4151 (negdi*): New patterns.
4152 (one_cmpldi*): Likewise.
4153 (one_cmplsi*_zext, negsi*_zext): Likewise.
4154 (testqi_ext_3_rex64): New pattern.
4156 Sat Mar 24 21:13:28 CET 2001 Jan Hubicka <jh@suse.cz>
4158 * i386-protos.h (ix86_split_long_move): Return void.
4159 * i386.c (ix86_split_to_parts): Handle 64bit target.
4160 (ix86_split_long_move): Likewise.
4161 * i386.md (all calls to ix86_split_long_move): Update.
4163 2001-03-23 Richard Henderson <rth@redhat.com>
4165 * config/mips/iris4.h (ASM_OUTPUT_ASCII): Rename local variables
4166 to avoid shadowing arguments.
4168 2001-03-23 Jakub Jelinek <jakub@redhat.com>
4170 * varasm.c (make_decl_rtl): Don't append var_labelno discriminator
4171 to variable names where DECL_NAME is different from
4172 DECL_ASSEMBLER_NAME.
4174 2001-03-23 Jim Wilson <wilson@redhat.com>
4176 * varasm.c (make_decl_rtl): Add TREE_PUBLIC check to abort test.
4177 (assemble_alias): Call make_decl_rtl.
4179 Fri Mar 23 16:59:08 2001 J"orn Rennecke <amylaar@redhat.com>
4181 * stor-layout.c (layout_type): Give OFFSET_TYPE a MODE_INT type.
4183 2001-03-23 Bryce McKinlay <bryce@albatross.co.nz>
4185 * extend.texi: Document the "java_interface" attribute.
4187 2001-03-22 Zack Weinberg <zackw@stanford.edu>
4189 * mkconfig.sh: Use a subshell with redirected stdout,
4190 instead of closing stdout and confusing commands that run
4191 afterward. Throw away output of cmp.
4193 2001-03-22 Gordon Sadler <gbsadler1@lcisp.com>
4195 * Makefile.in (stage1_build): Pass CFLAGS to stage1_build.
4197 Thu Mar 22 22:15:59 CET 2001 Jan Hubicka <jh@suse.cz>
4199 * i386.md (zero_extendsidi2_32): Break out from ...
4200 (zero_extendsidi2): ... here ; turn to expander.
4201 (zero_extendsidi2_rex64): New.
4202 (extendsidi2_32): Break out from ...
4203 (extendsidi2): ... here ; turn to expander.
4204 (extendsidi2_rex64): New.
4205 (zero_extendhidi2, zero_extendqidi2, extendhidi2, extendqidi2): New.
4206 (trunc?f?f splitters): Add 64bit versions.
4208 Thu Mar 22 21:41:16 CET 2001 Jan Hubicka <jh@suse.cz>
4210 * i386.md (pushsi, pushsi2_prologue): Disable.
4211 (pushsi2_rex64): New.
4212 (movabs?i_1_rex64, movabs?i_2_rex64): New.
4213 (movqi_ext_1): Disable for 64bit.
4214 (movqi_ext_1_rex64): New.
4215 (pushdi2_rex64): New pattern, peep2s and splitter.
4216 (pushdi2_prologue_rex64): New pattern.
4217 (popdi1_epilogue_rex64, popdi1, movdi_xor_rex64, movdi_or_rex64):
4219 (movdi splitters): Disable for 64bit.
4220 (movdi_1_rex64): New pattern, peep2s and splitters.
4221 (swapdi): New pattern.
4222 (pushsf): Disable for 64bit.
4223 (pushsf_rex64): New pattern and splitter.
4224 (pushdf_nointeger): Disable for 64bit.
4225 (pushdf_integer): Handle the 64bit case.
4226 (pushtf): Likewise; update splitters.
4228 2001-03-22 Richard Henderson <rth@redhat.com>
4230 * mkconfig.sh: Include insn-flags.h.
4231 * Makefile.in (CONFIG_H): Include insn-flags.h.
4232 (lots of objects): Remove insn-codes.h and insn-flags.h.
4234 * alias.c, bb-reorder.c, calls.c, do-loop.c, flow.c, haifa-sched.c,
4235 integrate.c, jump.c, loop.c, predict.c, profile.c, reg-stack.c,
4236 regmove.c, reorg.c, a29k/a29k.c, alpha/alpha.c, arc/arc.c, arm/arm.c,
4237 avr/avr.c, clipper/clipper.c, convex/convex.c, d30v/d30v.c,
4238 dsp16xx/dsp16xx.c, fr30/fr30.c, h8300/h8300.c, i370/i370.c,
4239 i386/i386.c, i860/i860.c, ia64/ia64.c, m32r/m32r.c, m68hc11/m68hc11.c,
4240 m68k/m68k.c, m88k/m88k.c, mcore/mcore.c, mn10200/mn10200.c,
4241 mn10300/mn10300.c, ns32k/ns32k.c, pa/pa.c, pdp11/pdp11.c,
4242 pj/pj.c, romp/romp.c, rs6000/rs6000.c, sh/sh.c, sparc/sparc.c,
4243 v850/v850.c, vax/vax.c:
4244 Don't include insn-flags.h.
4246 * diagnostic.c, expr.h, reload.c, toplev.c:
4247 Don't include insn-codes.h.
4249 * builtins.c, combine.c, except.c, explow.c, expmed.c, expr.c,
4250 final.c, function.c, optabs.c, recog.c, reload1.c, stmt.c,
4251 c4x/c4x.c, i960/i960.c, mips/mips.c:
4252 Don't include insn-codes.h or insn-flags.h.
4254 * genemit.c, genopinit.c, genoutput.c: Don't include insn-codes.h
4255 or insn-flags.h in the generated code.
4256 * genflags.c (gen_proto): Use "struct rtx_def *" instead of "rtx".
4257 (main): Forward declare struct rtx_def.
4259 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
4261 * invoke.texi (-ffast-math): Remove duplicate line about
4264 * gcc.texi: Remove more obsolete documentation of bugs and
4265 installation problems.
4267 2001-03-21 Kazu Hirata <kazu@hxi.com>
4269 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
4272 2001-03-20 Jason Merrill <jason@redhat.com>
4274 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
4276 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
4277 * varasm.c (CHKR_PREFIX): Likewise.
4279 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4281 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4282 is part of a multi-SET insn.
4284 * cse.c (find_comparison_args): Remove previous change.
4285 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
4288 * config/i386/i386.md (conditional_trap): Remove warning.
4290 * recog.c (push_operand): Fix error in last change that caused
4291 undefined symbol on many targets.
4293 * sdbout.c: #include ggc.h.
4294 (sdbout_init): Move to end of file.
4295 Call ggc_add_tree_root for anonymous_types.
4296 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
4297 (sdbout_one_type): Use DECL_NAME for field name.
4298 * Makefile.in (sdbout.o): Show includes ggc.h.
4300 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
4302 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
4303 (override_options): Use properlimits for preferred_stack_boundary.
4304 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
4306 (ext_register_operand): Accept DImode.
4307 (load_pic_register): Abort on 64bit.
4308 (gen_push): Use Pmode instead of SImode.
4309 (ix86_save_reg): Pic reg is never used on 64bit.
4310 (ix86_expand_prologue): Likewise.
4311 (ix86_emit_save_regs): Use Pmode instead of SImode.
4312 (legitimate_address_p): Check displacement for 64bit.
4313 (print_operand): Avoid outputting of (%rip) on 64bit.
4314 (print_operand_address): Output (%rip) where possible.
4315 (split_di): Abort on 64bit registers.
4316 (ix86_expand_branch): DImode comparison is simple for x86_64.
4317 (memory_address_length): Recognize memory addresses formed using
4319 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
4321 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
4323 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
4325 * recog.c (push_operand): Recognize new format of push instructions.
4327 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
4329 * i386.md (pushqi1): New.
4330 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
4331 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4332 x86_64_immediate_operand, x86_64_immediate_operand,
4333 x86_64_zext_immediate_operand): Declare.
4334 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
4335 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
4336 x86_64_immediate_operand, x86_64_immediate_operand,
4337 x86_64_zext_immediate_operand): define.
4338 * i386.h (PREDICATE_CODES): Add new predicates.
4340 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
4342 * i386.md (pophi1, popqi1, pushqi1): Remove.
4344 * expr.c (emit_single_push_insn): New function.
4345 (move_by_pieces): Accept NULL as destination for push instructions.
4346 (gen_push_operand): Kill.
4347 (emit_push_insn): Pass NULL when pushing; avoid updating of
4348 stack_pointer_delta.
4349 * expr.h (gen_push_operand): Kill.
4351 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4353 * rtl.texi (COMPARE): Clarify documentation and reference section
4356 2001-03-20 Stan Shebs <shebs@apple.com>
4358 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
4359 (get_object_reference): Ditto.
4360 (error_with_ivar): Use error_with_file_and_line.
4361 (warn_with_method): Use warning_with_file_and_line.
4363 2001-03-20 Tom Tromey <tromey@redhat.com>
4365 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
4367 2001-03-20 Mark Mitchell <mark@codesourcery.com>
4369 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
4370 variables that are TREE_PUBLIC, even if not TREE_STATIC.
4372 2001-03-20 DJ Delorie <dj@redhat.com>
4374 * Makefile.in (install-libgcc): Pass complete list of variables.
4375 (install-multilib): Ditto.
4377 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4379 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4380 drectve_section, switch_to_section.
4382 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
4383 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
4384 i386_pe_mark_dllimport.
4386 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
4388 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
4389 functions i386_pe_*.
4391 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
4392 i386_pe_* functions with char * arguments.
4394 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
4396 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
4398 (movsi_ie): Introduce fpul store.
4400 2001-03-20 Alan Modra <alan@linuxcare.com.au>
4402 * Makefile.in (OBJS): Remove hashtab.o.
4404 2001-03-19 Stan Shebs <shebs@apple.com>
4406 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
4407 * c-lang.c (maybe_objc_method_name): Ditto.
4408 * c-tree.h (maybe_objc_method_name): Remove decl.
4410 2001-03-19 Tom Tromey <tromey@redhat.com>
4412 * gcc.c (init_gcc_specs): Fix comment.
4414 2001-03-19 Mark Mitchell <mark@codesourcery.com>
4416 Compute DECL_ASSEMBLER_NAME lazily.
4417 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
4418 (DECL_ASSEMBLER_NAME_SET_P): New macro.
4419 (SET_DECL_ASSEMBLER_NAME): Likewise.
4420 (COPY_DECL_ASSEMBLER_NAME): Likewise.
4421 (set_decl_assembler_name): Declare.
4422 (lang_set_decl_assembler_name): Likewise.
4423 * tree.c (lang_set_decl_assembler_name): New variab.e
4424 (set_decl_assembler_name): New function.
4425 (init_obstacks): Set lang_set_decl_assembler_name.
4426 (build_decl): Don't set DECL_ASSEMBLER_NAME.
4427 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
4428 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
4429 where it's not necessary.
4430 (builtin_function): Likewise.
4431 (finish_decl): Likewise.
4432 * dbxout.c (dbxout_type_methods): Likewise.
4433 * ggc-common.c (ggc_mark_trees): Likewise.
4434 * profile.c (output_func_start_profiler): Likewise.
4435 * varasm.c (make_decl_rtl): Likewise.
4437 * cse.c (find_comparison_args): Update documentation. Fix
4438 mishandling of COMPARE operations.
4440 * tree.def (ABS_EXPR): Add documentation.
4441 * fold-const.c (fold): Improve folding of ABS_EXPRs.
4443 2001-03-19 Zack Weinberg <zackw@stanford.edu>
4445 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
4447 2001-03-19 Jakub Jelinek <jakub@redhat.com>
4449 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
4450 Remove ia32 linux PIC kludge and move it...
4451 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
4453 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
4455 * i386.md (absdf2 expander): Fix 64bit case.
4457 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
4459 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
4461 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
4463 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
4465 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4467 * README.X11: Remove obsolete file.
4469 2001-03-18 Anthony Green <green@redhat.com>
4471 * config/pj/pj.h: Remove some trailing commas.
4472 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
4474 2001-03-18 Richard Henderson <rth@redhat.com>
4476 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
4477 * calls.c: ... here.
4478 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
4479 defaults for them here.
4481 2001-03-17 Anthony Green <green@redhat.com>
4483 * config/pj/lib1funcs.S: Fix broken comment.
4484 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
4487 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
4489 * gcc.texi: Remove obsolete information relating to build and
4490 installation problems with enquire or the Pyramid C compiler.
4492 2001-03-17 Richard Henderson <rth@redhat.com>
4494 * dwarf2out.c (queue_reg_save): New.
4495 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
4496 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
4498 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
4499 (cfa, cfa_store, cfa_temp): Make static.
4500 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
4502 2001-03-17 Richard Henderson <rth@redhat.com>
4504 * integrate.h (struct inline_remap): Add local_return_label.
4505 * integrate.c (expand_inline_function): Initialize it and emit
4506 it after copy_insn_notes.
4507 (copy_insn_list): Don't store local_return_label here.
4508 (copy_insn_notes): New function split out from copy_insn_list.
4510 2001-03-17 Richard Henderson <rth@redhat.com>
4512 * dwarf2out.c (lookup_filename): Emit .file if the assembler
4513 is generating .debug_line.
4514 (dwarf2out_init): Add main_input_filename to the file table first.
4515 * configure.in (as_dwarf2_debug_line): Test with file number 1
4516 instead of file number 0.
4518 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4520 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
4521 (gen_rtx_combine): Deleted; all references changed as appropriate.
4522 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
4524 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
4526 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
4528 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
4531 2001-03-16 Jim Wilson <wilson@redhat.com>
4533 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
4534 then set it to LOC_REG (79) instead of aborting.
4536 2001-03-16 Phil Edwards <pme@sources.redhat.com>
4538 * gccbug.in: Remove high priority.
4540 2001-03-16 Richard Henerson <rth@redhat.com>
4542 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
4543 output with a space instead of deleting it.
4544 * configure: Regenerate.
4546 2001-03-16 Zack Weinberg <zackw@stanford.edu>
4548 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
4549 handles the gory details of converting an object file into
4550 something that's safe to grep.
4551 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
4552 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
4553 newlines at either end of the string we're looking for.
4554 Make 'checking ...' message less stilted.
4555 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
4556 ARM in-memory layout and its hypothetical converse. Don't
4557 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
4558 HOST_WORDS_BIG_ENDIAN.
4560 * configure.in: Adjust for renamed macro. Move
4561 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
4562 * configure, config.in: Regenerate.
4564 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4566 * fixinc/Makefile.in: Set SHELL.
4568 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4570 * fixinc/fixincl.c (fix_with_system): Quote file names before
4571 passing them to shell.
4573 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
4575 * Makefile.in: Use fix-header$(build_exeext) instead
4578 2001-03-16 Richard Henderson <rth@redhat.com>
4580 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
4581 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
4582 (size_of_line_prolog): Remove.
4583 (output_line_info): Compute prologue size via label difference.
4584 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
4586 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
4587 assembler error when redefining file numbers.
4588 * config.in, configure: Rebuild.
4590 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
4591 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
4592 (dw2_asm_output_delta_uleb128): Likewise.
4593 (dw2_asm_output_delta_sleb128): Similarly.
4594 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
4596 2001-03-16 Michael Meissner <meissner@redhat.com>
4598 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
4600 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
4602 (BITMASK_LOWER16): Replacement for 0x0000ffff.
4604 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
4605 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
4606 being unsigned in ISO C and signed in traditional.
4607 (expand_prologue): Ditto.
4608 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
4610 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
4612 (divsi3,divdi3): Ditto.
4613 (modsi3,moddi3): Ditto.
4614 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
4615 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
4616 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
4619 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
4621 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
4622 SSE based conditional moves on LTGT/UNEQ conditions;
4623 Canonicalize EQ to NE.
4624 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
4625 (sse_mov?fcc_ne): New.
4627 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
4629 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4631 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
4632 register may be dead.
4634 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
4636 * Makefile.in (hash.o): Depend on CONFIG_H.
4638 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4640 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
4642 2001-03-15 Richard Henderson <rth@redhat.com>
4644 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
4645 (ASM_OUTPUT_DWARF_PCREL): New.
4646 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
4648 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
4650 * cppfiles.c (stack_include_file): Use MAX of sysp.
4652 2001-03-15 Steve Ellcey <sje@cup.hp.com>
4654 * config.gcc (ia64*-*-hpux*): New case.
4655 * config/ia64/hpux.h: New file for HP-UX support.
4656 * config/ia64/t-hpux: New file for HP-UX support.
4658 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
4660 * fixinc/inclhack.def (irix_stdio_va_list): New.
4661 * fixinc/fixincl.x: Rebuilt.
4663 2001-03-15 Richard Henderson <rth@redhat.com>
4665 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
4666 if provided by the target.
4667 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
4668 (dw2_asm_output_addr): New.
4669 * dwarf2asm.h (dw2_asm_output_addr): Declare.
4670 * dwarf2out.c (output_cfi): Use it for program addresses.
4671 (output_call_frame_info, output_die): Likewise.
4672 (output_aranges, output_line_info): Likewise.
4674 2001-03-15 Bruce Korb <bkorb@gnu.org>
4676 * gcc.c(main): make more rigorous
4677 * collect2.c(main): guard against ignoring SIGCHLD
4678 * protoize.c(main): ditto
4679 * gcc/fixinc/fixincl.c(initialize): ditto
4681 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4683 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
4684 (sdbout_parms): Likewise.
4686 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
4688 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
4689 "widen" a destination that is already wider than a word. Also do
4690 not widen if LOAD_EXTEND_OP is NIL for the given mode.
4692 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4694 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
4696 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
4698 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
4700 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
4702 * i960.h (i960_maxbitalignment,
4703 i960_last_maxbitalignment): Declare.
4704 * i960.c (i960_maxbitalignment,
4705 i960_last_maxbitalignment): Make global.
4706 (process_pragma): Delete.
4707 (i960_pr_align, i960_pr_noalign): Move from here ...
4708 * i960-c.c: ... to this new file.
4709 * t-960bare (i960-c.o): New rule.
4710 * t-vxworks960 (i960-c.o): Likewise.
4711 * config.gcc (i960-*-*): Define c_target_objs and
4714 2001-03-15 Bernd Schmidt <bernds@redhat.com>
4716 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
4717 without adding in rtx code and mode.
4719 * alias.c (init_alias_analysis): Don't use any rtx whose value
4720 varies as a known value.
4721 Delete a superfluous test.
4723 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
4725 (ia64_sched_reorder): Call maybe_rotate; also rotate after
4726 scheduling a stop bit.
4727 (ia64_emit_nops): Correctly handle ASMs.
4729 2001-03-15 Mark Mitchell <mark@codesourcery.com>
4731 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
4733 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
4735 * cpp.texi: Update documentation for -include and -imacros.
4736 * cppfiles.c (struct include_file): Remove "defined" memeber.
4737 (find_or_create_entry): Make a copy of the file name, and
4739 (open_file): Update to ensure we use the simplified filename.
4740 (stack_include_file): Don't set search_from.
4741 (cpp_included): Don't simplify the path name here.
4742 (find_include_file): New prototype. Call search_from to
4743 get the start of the "" include chain. Don't simplify the
4745 (_cpp_execute_include): New prototype. Move diagnostics to
4746 do_include_common. Update.
4747 (_cpp_pop_file_buffer): Don't set defined.
4748 (search_from): New prototype. Use the preprocessor's cwd
4749 for files included from the command line.
4750 (read_name_map): Don't simplify the pathname here.
4751 * cpphash.h (enum include_type): New.
4752 (struct buffer): Delete search from. New search_cached.
4753 (_cpp_execute_include): Update prototype.
4754 * cppinit.c (do_includes): Use _cpp_execute_include.
4755 * cpplib.c (do_include_common): New function.
4756 (do_include, do_include_next, do_import): Use it.
4758 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4760 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
4761 contents of the RTL, to determine the name of the object.
4763 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4765 * tree.h (DECL_RTL): Allocate RTL lazily.
4766 (SET_DECL_RTL): New macro.
4767 (DECL_RTL_SET_P): Likewise.
4768 (COPY_DECL_RTL): Likewise.
4769 (DECL_RTL_IF_SET): Likewise.
4770 * varasm.c (make_decl_rtl): Add assertions about the kind of
4771 declaration we are processing.
4772 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
4773 (start_decl): Likewise.
4774 (finish_decl): Likewise.
4775 * c-semantics.c (emit_local_var): Likewise.
4776 * calls.c (expand_call): Likewise.
4777 * dbxout.c (dbxout_symbol): Likewise.
4778 * emit-rtl.c (unshare_all_rtl): Likewise.
4779 (unshare_all_decls): Likewise.
4780 (reset_used_decls): Likewise.
4781 * expr.c (store_constructor): Likewise.
4782 (safe_from_p): Likewise.
4783 (expand_expr): Likewise.
4784 * function.c (put_var_into_stack): Likewise.
4785 (instantiate_decls_1): Likewise.
4786 (assign_parms): Likewise.
4787 (expand_function_start): Likewise.
4788 (expand_function_end): Likewise.
4789 * ggc-common.c (gcc_mark_trees): Likewise.
4790 * integrate.c (function_cannot_inline_p): Likewise.
4791 (copy_decl_for_inlining): Likewise.
4792 (expand_inline_function): Likewise.
4793 (integrate_parm_decls): Likewise.
4794 (integrate_decl_tree): Likewise.
4795 * print-tree.c (print_node): Likewise.
4796 * reg-stack.c (stack_result): Likewise.
4797 * stmt.c (label_rtx): Likewise.
4798 (expand_return): Likewise.
4799 (expand_decl): Likewise.
4800 (expand_decl_cleanup): Likewise.
4801 (expand_anon_union_decl): Likewise.
4802 * toplev.c (check_global_declarations): Likewise.
4803 (rest_of_decl_compilation): Likewise.
4804 * tree.c (simple_cst_equal): Likewise.
4805 * objc/objc-act.c (generate_static_references): Likewise.
4807 2001-03-14 Zack Weinberg <zackw@stanford.edu>
4809 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
4810 gcc_AC_C_FLOAT_FORMAT): New macros.
4811 * configure.in: Add AC_PROG_CPP after CC tests;
4812 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
4813 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
4814 * configure, config.in: Regenerate.
4816 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
4817 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
4818 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
4819 config/i370/xm-linux.h, config/i370/xm-oe.h,
4820 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
4821 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
4822 config/pa/xm-linux.h, config/pa/xm-pa.h,
4823 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
4824 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
4825 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
4826 config/we32k/xm-we32k.h: Delete.
4828 * config/i370/xm-mvs.h, config/m88k/m88k.h,
4829 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
4830 config/vax/xm-vms.h: Don't define any of:
4831 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
4833 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
4835 * config.gcc: Remove references to deleted files.
4836 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
4837 FATAL_EXIT_CODE, which is the same between oe and mvs).
4839 2001-03-14 DJ Delorie <dj@redhat.com>
4840 Vladimir Makarov <vmakarov@redhat.com>
4842 * config/i960/i960.c (i960_function_prologue): Compute size of
4843 frame according to number of registers actually saved there.
4845 2001-03-14 Richard Henderson <rth@redhat.com>
4847 * expr.c (emit_move_insn_1): Fix else if around #endif.
4849 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
4852 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
4855 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
4857 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
4858 (override_options): Parse cmodel string.
4859 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
4860 * i386.h (TARGET_OPTIONS): Add "cmodel".
4861 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
4863 (ix86_cmodel_string, ix86_cmodel): Declare.
4865 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
4868 * i386.h (GENERAL_REG_P): Add missing REG_P.
4870 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
4872 * configure.in: Use $gcc_cv_as instead of $as.
4873 * configure: Regenerated.
4875 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
4877 * cppfiles.c (stack_include_file): Only increase the include
4878 count if we actually process the file properly, as opposed
4879 to treating it as length zero. Only call read_include_file
4880 if not DO_NOT_REREAD. Handle the -H include file output
4882 (read_include_file): Remove now redundant DO_NOT_REREAD check.
4883 (cpp_included, find_include_file): Simplify pathnames after
4884 remapping them. If remapping, don't use the remapped file
4885 name's buffer as our scratch buffer.
4886 (cpp_pop_file_buffer): Replace the multiple include macro
4887 only if it isn't yet set.
4888 (read_name_map): Simplify remapped names when reading in.
4889 (remap_filename): Move code to code path that uses it.
4890 (_cpp_simplify_pathname): Return the input pointer.
4891 * cpphash.h (_cpp_simplify_pathname): Update prototype.
4893 2001-03-14 Mark Mitchell <mark@codesourcery.com>
4895 * expr.c (expand_expr): Revove bogus conditional.
4897 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
4899 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
4901 2001-03-14 Jakub Jelinek <jakub@redhat.com>
4903 * reg-stack.c (stack_result): Unconditionally use
4904 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
4906 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
4908 * expr.c (emit_move_insn_1): Split push of complex value when
4909 no suitable push instruction exist.
4911 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
4912 instead of QI_REG_P.
4914 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4916 * alias.c (handled_component_p, can_address_p): New functions.
4917 (get_alias_set): Use them.
4919 2001-03-13 Jim Wilson <wilson@redhat.com>
4921 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4922 from 80 in try_locals code.
4923 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
4925 2001-03-13 Zack Weinberg <zackw@stanford.edu>
4927 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
4928 gcc_AC_C_LONG_LONG): New.
4929 * configure.in: Use them. Probe the size of short, int, long,
4930 and long long/__int64 if we have them. Move all the AC_C_*
4931 checks together, except gcc_AC_C_CHAR_BIT which has to go
4932 after AC_CHECK_HEADERS(limits.h).
4933 Take hwint.h out of host_xm_file and build_xm_file.
4935 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
4936 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
4937 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
4938 Move the HOST_WIDEST_INT setup logic here from system.h.
4939 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
4941 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
4942 is now handled by hwint.h.
4944 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
4945 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
4946 config/ia64/xm-ia64.h: Don't define any of:
4947 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
4948 HOST_BITS_PER_LONGLONG.
4950 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
4951 config/h8300/xm-h8300.h, config/mips/iris6.h,
4952 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
4953 config/sparc/xm-sp64.h: Delete.
4954 * config.gcc: Remove references to deleted files.
4956 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
4957 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
4958 * config/i370/xm-linux.h: Clarify floating-point situation in
4961 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
4963 * cppfiles.c (NO_INCLUDE_PATH): New macro.
4964 (find_include_file): Decide here which part of the include
4965 chain to start the search. Complain about an empty include
4966 chain in all cases apart from an abolsute file name.
4967 (_cpp_execute_include): Don't choose the search chain here.
4968 Don't call handle_missing_include in the case of an empty
4970 (_cpp_compare_file_date): Don't choose the search chain here.
4971 * cpplib.c (do_include_next): Move the in-main-file diagnostic
4972 here from _cpp_execute_include. Behave like #include if
4973 we're in the main file.
4975 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4977 * system.h (malloc, realloc, calloc, strdup): Only poison these
4978 tokens when IN_GCC is defined.
4980 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
4982 * i386.md (abs?f expander): Support SSE case.
4983 (abd?f_if): Add new "USE"; add splitters.
4985 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4987 * cpp.texi (poison): Explain the macro expansion exception.
4989 2001-03-13 Jakub Jelinek <jakub@redhat.com>
4991 * expr.c (store_expr): Add dont_store_target. If temp is already in
4992 target before copying to reg, don't store it into target again.
4994 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
4996 * cppinternals.texi: Update for file handling.
4998 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5000 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
5001 2001-02-24 which broke building the Java library.
5002 * function.c (identify_blocks): Likewise.
5003 (all_blocks): Likewise.
5004 * integrate.c (integrate_decl_tree): Likewise.
5005 * print-tree.c (print_node): Likewise.
5006 * tree.h (BLOCK_NUMBER): Likewise.
5007 (struct tree_block): Likewise.
5009 2001-03-12 David Edelsohn <edelsohn@gnu.org>
5011 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
5012 __WCHAR_TYPE__ definition.
5013 (WCHAR_TYPE_SIZE): #undef before #define.
5015 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5017 * cppfiles.c: Update comments.
5018 (destroy_include_file_node): Rename destroy_node.
5019 (find_or_create_entry): New function.
5020 (open_file, _cpp_fake_include): Use it.
5021 (handle_missing_header): New function, broken out of
5022 _cpp_execute include. Don't segfault if there is no
5023 system or quoted path.
5024 (_cpp_execute_include): Use handle_missing_header.
5026 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
5028 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
5029 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
5031 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5033 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
5034 unless anti_dependence says they are.
5035 * alias.c (objects_must_conflict): If neither has a type specified,
5038 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
5039 David Billinghurst <David.Billinghurst@riotinto.com>
5041 * config/mips/iris5.h: Change WCHAR_TYPE to int.
5043 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
5045 * i386.md (trunctfdf2_2): Rename missnamed pattern.
5046 (*_one_bit): Remove type on the match_operand in attributes.
5048 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
5050 * i386.c: Commit forgotten hunk in previous patch.
5051 (regclass_map): Add extended registers.
5052 (dbx_register_map): Add missing frame register.
5054 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
5056 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
5058 * i386.md (x86_sahf_1): Disable for 64bit.
5059 (popsi*, pophi*): Likewise.
5060 (pushqi, pushhi): Likewise.
5061 (movdi, pushdi): Likewise.
5062 (zero extend DImode splitter): Likewise.
5063 (adddi, minusdi splitter): Likewise.
5064 (umulsidi): Likewise.
5066 (mulsidi): Disable for 64bit
5067 (lshift:DI/ashift:DI): Disable for 64bit.
5068 (loop patterns): Likewise.
5069 (call_pop, call_value_pop expanders and patterns): Likewise.
5070 (prologue_get_pc): Likewise.
5072 (fcmovDI pattern and splitter): Likewise.
5073 (movdfcc_1_rex64): New.
5075 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
5077 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
5078 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
5079 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
5080 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
5081 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
5082 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
5083 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
5084 (PUSH_ROUNDING): x86_64 rounds to 64bits.
5085 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
5086 (REGPARM_MAX): Set to 6 for x86_64.
5087 (SSE_REGPARM_MAX): Set to 16 for x86_64.
5088 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
5091 * (patterns that does use upper halves): Update constraints
5092 'q' to 'Q' and 'r' to 'R'.
5093 (cmpqi_ext_1): Disable for 64bit.
5094 (cmpqi_ext_3_insn): Likewise.
5095 (movqi_extzv_1): Likewsie.
5096 (addqi_ext_1): Liekwsie
5097 (testqi_ext_1): Liekwsie
5098 (andqi_ext_1): Liekwsie
5099 (xorqi_ext_1): Liekwsie
5100 (cmpqi_ext_1_rex64): New.
5101 (cmpqi_ext_3_insn_rex64): Likewise.
5102 (movqi_extzv_1_rex64): Likewsie.
5103 (addqi_ext_1_rex64): Liekwsie
5104 (testqi_ext_1_rex64): Liekwsie
5105 (andqi_ext_1_rex64): Liekwsie
5106 (xorqi_ext_1_rex64): Liekwsie
5108 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5110 * configure.in: Move check for unsigned enumerated bitfields
5111 to macro in aclocal.m4. Disable it for now.
5112 * configure, config.in: Regenerate.
5113 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
5114 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
5115 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
5116 kind above its first use.
5118 * config/xm-interix.h, config/alpha/xm-alpha.h,
5119 config/i370/xm-linux.h, config/i386/xm-beos.h,
5120 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
5121 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5122 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
5123 Don't define ONLY_INT_FIELDS under any circumstances.
5125 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
5127 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
5128 config/sparc/xm-sysv4.h: Delete - now identical with some
5130 * config.gcc (hppa targets): Replace xm-pahpux.h and
5131 xm-papro.h with implicit xm-pa.h.
5132 (sparc targets): Replace xm-sysv4.h with implicit or explicit
5135 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
5137 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
5138 before reload_cse_noop_set_p.
5140 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5142 * config.gcc: Where xm-host.h used to include another
5143 xm-host.h, list the nested header directly in xm_file. Remove
5144 references to deleted files. Can now use sparc/xm-sp64.h for
5147 * config/xm-linux.h, config/arm/xm-linux.h,
5148 config/i386/xm-dos.h, config/i386/xm-gnu.h,
5149 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
5150 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
5151 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
5152 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
5155 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
5156 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
5157 bother to wrap #undef in #ifdef.
5158 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
5159 Don't include xm-linux.h.
5160 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
5162 * configure.in: Wrap regexps using [] in changequote block.
5163 Use expr : not echo | grep. Simplify regexps.
5164 * configure: Regenerate.
5166 56 xm-files remain, 22 xm-arch.
5168 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5170 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
5171 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5172 (local_index, local_rindex): Delete, use strchr/strrchr instead.
5173 (copy_object): Fix format specifier vs argument mismatch.
5175 * mips-tdump.c: Make local functions static.
5176 (rindex): Don't #undef.
5177 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5178 (fatal, fancy_abort): Delete.
5179 (read_seek): Avoid signed/unsigned compare.
5181 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5183 * combine.c (try_combine): Fix error in change to try original
5185 (gen_rtx_combine): Do same as gen_rtx for now.
5187 2001-03-11 Zack Weinberg <zackw@stanford.edu>
5189 * configure.in: AC_SUBST xm_defines.
5190 * configure: Regenerate.
5191 * Makefile.in: Set DEFINES=$(xm_defines) when building
5194 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
5196 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
5197 (cpp_included, find_include_file): Update.
5198 (_cpp_compare_file_date): Make else unconditional.
5200 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
5202 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
5204 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
5206 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
5207 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
5209 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
5211 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
5212 if it's a record type.
5214 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
5216 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
5217 mingw includes slightly.
5219 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5221 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
5222 #undef token before poisoning it.
5224 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5226 * alpha.c (check_float_value): Use memcpy, not bcopy.
5228 * m32r.c (m32r_sched_reorder): Likewise.
5230 * vax.c (check_float_value): Likewise.
5232 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5234 * toplev.c (file_name_nondirectory): Remove.
5235 * toplev.h: Similarly.
5236 * dwarf2out.c (compute_section_prefix): Use lbasename instead
5237 of file_name_nondirectory.
5239 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5241 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
5242 * mips-tfile.c: Don't #undef rindex; not used.
5244 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
5246 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
5247 (dbx64_register_map): Declare.
5248 (RETURN_ADDR_RTX): Fix for 64bit.
5249 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
5250 (INCOMING_FRAME_SP_OFFSET): Set to 8.
5251 * i386.c (dbx64_register_map): New global array.
5252 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
5253 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
5256 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
5258 * cppfiles.c (search_from): Use lbasename.
5259 * mkdeps.c (deps_add_default_target): Use lbasename.
5261 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5263 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
5264 xcalloc in lieu of malloc, realloc & calloc.
5266 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
5268 * gengenrtl.c (xmalloc): Likewise.
5270 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
5271 really_call_* memory allocation routines.
5273 * stmt.c (check_for_full_enumeration_handling): Use
5274 really_call_calloc, not calloc.
5276 * system.h (really_call_malloc, really_call_calloc,
5277 really_call_realloc): Define.
5278 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
5280 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
5282 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
5284 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
5286 * configure: Rebuilt.
5287 * configure.in: Only use `lang_requires' for languages athat are
5290 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
5292 * invoke.texi: Fix typo.
5293 * gcc.1: Regenerate.
5295 2001-03-09 Zack Weinberg <zackw@stanford.edu>
5297 * configure.in: Prune nonexistent files from build_xm_file,
5298 xm_file, and host_xm_file lists. Warn unless they're
5300 Don't generate *config.h here.
5301 AC_SUBST all variables needed to generate *config.h.
5302 * configure: Regenerate.
5303 * mkconfig.sh: New helper script, from code removed from
5305 * Makefile.in: Zap all MALLOC variables - no longer used
5306 anywhere, and malloc.c doesn't exist.
5307 Substitute in variables needed to generate *config.h.
5308 Stop lying about the dependencies contained in CONFIG_H and
5310 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
5311 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
5312 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
5313 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
5314 $(TM_P_H), etc. as appropriate.
5316 * config.gcc: Zap references to deleted files.
5317 * ggc-none.c: Don't include rtl.h or tm_p.h.
5319 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
5320 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
5321 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
5322 config/i386/xm-linux.h, config/i386/xm-linux.h,
5323 config/i386/xm-next.h, config/i386/xm-openbsd.h,
5324 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
5325 Don't include i386/xm-i386.h.
5327 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
5328 config/i386/xm-i386.h, config/i860/xm-i860.h,
5329 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
5330 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5331 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
5332 Delete (empty except comments, #includes of other deleted
5333 files, and macros used nowhere).
5335 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
5337 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
5338 independent on TARGET_FLAGS.
5340 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
5342 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
5344 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
5346 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
5348 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
5349 LAST_REX_SSE_REG): define.
5350 (enum reg_class): Add 'LEGACY_REGS'
5351 (REG_CLASS_CONTENTS): Likewise; add extended registers.
5352 (SSE_REGNO_P): Recognize extended registers.
5353 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
5354 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
5355 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
5356 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
5357 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
5358 REG_OK_FOR_STRREG_P): Remove.
5359 (HI_REGISTER_NAMES): Add extended registers.
5360 (ADDITIONAL_REGISTER_NAMES): Likewise.
5361 (QI_REGISTER_NAMES): Add 8bit extended registers.
5362 (DEBUG_REG): Support extended registers.
5363 * i386.c (regclass_map): Add extended registers.
5364 (dbx_register-map): Likewise.
5365 (svr4_dbx_register_map): Likewise.
5366 (print_reg): Support extended registers.
5367 (print_operand): Support 64bit operands.
5369 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
5371 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
5372 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
5373 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
5374 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
5375 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
5376 STACK_BOUNDARY): Set properly for 64bits.
5377 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
5378 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
5379 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
5380 (MOVE_MAX): Set to 16.
5381 (MOVE_MAX_PIECES): 8 for 64bit.
5382 (Pmode): Set to SImode.
5384 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
5386 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
5388 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
5390 * i386.h (mask_64bit): New constant.
5391 (target_64bit): New macro.
5392 (target_options): Add '64'/'32'
5393 (target_default): Define.
5394 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
5395 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
5396 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
5398 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
5400 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
5402 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
5404 * rtlanal.c (rtx_varies_p): Check operand 0 of a
5405 LO_SUM unless for_alias is set.
5407 2001-03-08 Stan Shebs <shebs@apple.com>
5409 * objc/objc-act.c: Fix old typos in comments, add comments for
5411 (hash_init): Fix file name in error message.
5412 (hash_enter): Ditto.
5413 (hash_add_attr): Ditto.
5414 (continue_class): Ditto.
5416 2001-03-08 Bruce Korb <bkorb@gnu.org>
5418 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
5419 wait4() can receive the signal.
5421 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5423 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5425 * fixinc/fixincl.x: Regenerate.
5427 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
5429 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
5431 * fixinc/fixincl.x: Regenerate.
5433 2001-03-08 Richard Henderson <rth@redhat.com>
5435 * configure.in (HAVE_AS_LEB128): New assembler check.
5436 * configure, config.in: Rebuilt.
5438 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
5440 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
5443 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5445 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
5446 references to the MAXPATHLEN macro.
5448 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
5449 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
5452 * config/i386/xm-gnu.h, config/xm-gnu.h,
5453 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
5454 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
5455 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
5456 and/or unused files.
5458 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
5459 doing so in various xm-*.h files.
5461 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5463 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
5465 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
5467 * configure.in (enable_shared): Support per-package shared-library
5469 * configure: Rebuilt.
5471 2001-03-07 David Edelsohn <edelsohn@gnu.org>
5473 * rs6000.md (cr logic): Add original POWER mnemonic alternative
5474 for crnot. Set operands[5] in splitter.
5476 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5478 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
5479 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
5480 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
5481 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
5482 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
5483 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
5484 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
5487 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
5488 config/i370/xm-i370.h, config/i386/xm-dgux.h,
5489 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
5490 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
5491 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
5492 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
5493 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
5494 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
5495 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
5496 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
5497 Delete unused and/or empty files.
5499 * config.gcc: Define USG in xm_defines as appropriate. Define
5500 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
5501 macro. Remove deleted xm-* files from $xm_files variable.
5503 2001-03-07 Tom Tromey <tromey@redhat.com>
5505 * configure: Rebuilt.
5506 * configure.in: Allow config-lang.in to set `lang_requires' to list
5507 of other required languages.
5509 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
5511 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
5513 (output_prologue): Use xmalloc not oballoc.
5514 (output_epilog): Free a29k_first_epilogue_insn when finished.
5515 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
5517 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
5519 * builtins.c (expand_builtin_mathfn): Check
5520 flag_unsafe_math_optimizations, not flag_fast_math.
5521 (expand_builtin): Likewise
5522 * combine.c (combine_simplify_rtx): Likewise.
5523 (simplify_if_then_else): Likewise.
5524 * cse.c (fold_rtx): Likewise.
5525 * flags.h: Remove flag_fast_math. Add
5526 flag_unsafe_math_optimizations and flag_trapping_math.
5527 * fold-const.c (negate_expr): Check
5528 flag_unsafe_math_optimizations, not flag_fast_math.
5529 (invert_truthvalue): Likewise.
5530 (fold): Likewise. Before associating operands, check that
5531 code == MULT_EXPR, not code != MULT_EXPR.
5532 * ifcvt.c (noce_try_minmax): Check
5533 flag_unsafe_math_optimizations, not flag_fast_math.
5534 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
5535 * invoke.texi: Document -funsafe-math-optimizations and
5536 -fno-trapping-math. Change documentation for -ffast-math.
5537 * jump.c (reversed_comparison_code_parts): Likewise.
5538 (rtx_equal_for_thread_p): Likewise.
5539 * optabs.c (emit_conditional_move): Likewise.
5540 * simplify-rtx.c (simplify_binary_operation): Likewise.
5541 (simplify_relational_operation): Likewise.
5542 (simplify_ternary_operation): Likewise.
5543 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
5544 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
5545 Add trapping-math and unsafe-math-optimizations entries to f_options.
5546 (set_fast_math_flags): New, sets flags for -ffast-math.
5547 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
5548 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
5549 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
5551 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
5552 (alpha_emit_conditional_move): Initialize local_fast_math to
5553 flag_unsafe_math_optimizations, not flat_fast_math.
5554 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
5555 instead of setting flag_fast_math to 1.
5556 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
5558 * config/i386/i386.c (override_options): Likewise
5559 * config/i386/i386.md: Likewise.
5560 * config/m68k/m68k.md: Likewise.
5561 * config/mips/mips.md: Likewise.
5562 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
5563 (rs6000_generate_compare): Likewise.
5565 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5567 * Makefile.in: Set RANLIB to @RANLIB@.
5570 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
5572 * fixinc/inclhack.def (djgpp_wchar_h): New test.
5573 * fixinc/fixincl.x: Regenerated.
5575 2001-03-07 Richard Henderson <rth@redhat.com>
5577 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5579 2001-03-07 Richard Henderson <rth@redhat.com>
5581 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
5582 of block notes and exception handling notes.
5584 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
5585 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
5586 (compile_file): ... here.
5588 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5590 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
5592 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
5593 config.h now. Include libiberty.h to handle alloca.
5595 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5597 * c-parse.in (yylexname): New function, split out of _yylex.
5598 (objc_rid_sans_at): New table.
5599 (init_reswords): Initialize it.
5600 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
5601 retrieving the next token and checking it for significance as
5602 an ObjC keyword or string constant.
5604 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
5605 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
5607 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
5610 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
5612 * config/m68k/m68k.c (const_uint32_operand): Accept any
5613 const_int on a 32-bit host.
5615 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
5617 * objc/objc-act.c (init_objc): Set save_lang_status,
5618 restore_lang_status, and mark_lang_status.
5620 2001-03-06 Krister Walfridsson <cato@df.lth.se>
5622 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
5624 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
5626 * cppinternals.texi: Update.
5628 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5630 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5631 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
5632 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
5633 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
5634 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
5635 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
5636 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
5637 config/i386/xm-i386.h, config/i860/xm-i860.h,
5638 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5639 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
5640 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5641 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5642 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5643 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
5644 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
5645 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
5646 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
5647 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5648 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5649 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
5650 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
5651 match the defaults provided in hwint.h.
5653 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5654 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
5656 * config.gcc (xm_file): Don't set to files which are deleted.
5658 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
5659 guard this file against these macros being undefined.
5661 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5663 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
5664 and DECL_DEFER_OUTPUT on the decl we create, before calling
5665 rest_of_decl_compilation.
5667 2001-03-06 Zack Weinberg <zackw@stanford.edu>
5669 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5671 * configure, config.in: Regenerate.
5672 * config.gcc: Remove references to deleted files.
5674 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
5675 genrecog.c, rtl.c: Do not use alloca anywhere.
5677 * Makefile.in, build-make, system.h, config/x-interix,
5678 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
5679 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
5680 config/arc/xm-arc.h, config/arm/xm-arm.h,
5681 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5682 config/h8300/xm-h8300.h, config/i370/x-oe,
5683 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
5684 config/i386/x-ncr3000, config/i386/x-sco5,
5685 config/i386/xm-dgux.h, config/i860/x-sysv4,
5686 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
5687 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
5688 config/m68k/x-hp320g, config/m69k/x-mot3300,
5689 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
5690 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
5691 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
5692 config/m88k/x-sysv4, config/m88k/x-tekXD88,
5693 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5694 config/mips/x-iris, config/mips/x-iris3,
5695 config/mips/x-sni-svr4, config/mips/x-sysv,
5696 config/mips/xm-iris6.h, config/mips/xm-mips.h,
5697 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
5698 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
5699 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5700 config/pa/xm-papro.h, config/romp/xm-romp.h,
5701 config/rs6000/x-aix31, config/rs6000/x-aix41,
5702 config/rs6000/x-beos, config/rs6000/x-lynx,
5703 config/rs6000/x-mach, config/rs6000/x-rs6000,
5704 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
5705 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5706 config/sparc/x-sysv4, config/sparc/xm-linux.h,
5707 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
5708 config/vax/xm-vms.h: Eradicate all references to alloca and
5711 * config/xm-alloca.h, config/clipper/x-clix,
5712 config/i386/xm-sysv4.h, config/i860/x-fx2800,
5713 config/i860/x-sysv3, config/m88k/x-sysv3,
5714 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
5715 (contained only alloca related hacks).
5717 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
5720 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
5722 * invoke.texi: Document __FAST_MATH__.
5724 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5726 * crtstuff.c: Restore include of auto-host.h.
5728 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
5730 Put main() in a separate file, so that the language
5731 front-end can use a different main().
5734 * toplev.c: (main): Rename as toplev_main.
5735 * toplev.h: Declare toplev_main.
5736 * Makefile.in (OBJS): add toplev.o.
5737 (BACKEND): remove toplev.o, add main.o.
5739 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5741 * cppfiles.c (search_from): Special case the empty string.
5743 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
5745 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
5746 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
5747 strlen or strcpy; we already know the length.
5748 (_cpp_compare_file_date): Similarly.
5749 * cpphash.h (struct cpp_reader): Delete done_initialising.
5750 (CPP_PREV_BUFFER): Delete.
5751 * cppinit.c (cpp_start_read): Don't set done_initialising.
5752 * cpplex.c (parse_string): Guarantee null-termination.
5753 (_cpp_equiv_toklists): Remove.
5754 * cpplib.c (glue_header_name): Null-terminate.
5755 (do_line): Don't leak memory.
5756 * cpplib.h (BT_WEAK): Delete.
5757 * cppmain.c (cb_ident): Strings are now null-terminated.
5759 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
5761 * gcc.c (convert_filename): Append executable suffix
5762 if NO_AUTO_EXE_SUFFIX is not defined.
5763 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
5764 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
5766 2001-03-03 David O'Brien <obrien@FreeBSD.org>
5768 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
5769 * c-parse.gperf, c-gperf.h: Delete.
5770 (c-gperf.h was accidently re-added to the CVS repo in the rev
5771 1.16 commit by tromey)
5773 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5775 * cpplex.c (_cpp_lex_token): Don't warn about directives in
5776 macro arguments when looking for the '('.
5777 * cppmacro.c (funlike_invocation_p): Set parsing_args to
5778 2 when really parsing arguments; 1 when looking for '('.
5779 Always restore the lexer position.
5781 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5783 * longlong.h (umul_ppmm): Don't use a multiline string.
5785 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
5787 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
5788 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
5789 t_bool in declaration because pcc can't combine volatile with typedef
5792 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
5794 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
5795 until when it is really needed.
5796 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
5797 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
5798 * i386.md (float?i?f splitter): Don't force source operand to memory
5800 (sse_movdfcc): Fix constraint.
5801 (sse_movdfcc splitter): Handle properly the second alternative.
5803 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5805 * cpplex.c (parse_string): Unconditionally pedwarn.
5807 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
5810 * cppexp.c (parse_number): Update.
5811 * cpplex.c (parse_string): Pedwarn if multiline string does not
5812 result from a system header's macro.
5813 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
5814 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
5815 for function-like macros too.
5816 * c-lex.c (lex_number): Update.
5818 2001-03-03 Richard Henderson <rth@redhat.com>
5820 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
5822 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
5824 * combine.c (try_combine): If split with mode-changed scratch
5825 register didn't work, try the original mode.
5827 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
5829 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
5830 * config/c4x/c4x.h: Likewise.
5831 * stor-layout.c (compute_record_mode): Likewise.
5832 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
5834 2001-03-02 Zack Weinberg <zackw@stanford.edu>
5836 * configure.in: Kill tm.h. Include the files in the $tm_file
5837 list in all three of config.h, hconfig.h, tconfig.h, after the
5838 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
5839 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
5840 * configure: Regenerate.
5841 * Makefile.in (clean): Don't delete tm.h.
5843 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
5844 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
5845 those are not defined, set SEC and FEC to 0 and 1.
5846 * gcc.texi: Update to match.
5848 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
5849 * config/fp-bit.c, config/m68k/aux-crt2.asm,
5850 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
5851 Include tconfig.h, not tm.h.
5853 * config/xm-lynx.h, config/xm-std32.h,
5854 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
5855 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
5856 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
5857 config/clipper/xm-clix.h, config/convex/xm-convex.h,
5858 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
5859 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
5860 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
5861 config/i386/xm-i386.h, config/i860/xm-i860.h,
5862 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
5863 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
5864 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
5865 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
5866 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
5867 config/pa/xm-linux.h, config/pa/xm-pa.h,
5868 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
5869 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
5870 config/pj/xm-pj.h, config/romp/xm-romp.h,
5871 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
5872 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
5873 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
5874 config/v850/xm-v850.h, config/vax/xm-vax.h,
5875 config/we32k/xm-we32k.h:
5877 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
5879 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
5880 config/i370/xm-oe.h: Don't include tm.h. Don't define
5882 * config/vax/xm-vms.h: Don't include tm.h.
5884 * config/xm-lynx.h, config/avr/xm-avr.h,
5885 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
5886 Delete; made empty by above changes.
5887 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
5888 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
5889 Don't include config/xm-lynx.h or tm.h.
5891 * config/xm-gnu.h: Don't include fcntl.h.
5892 * config/sparc/xm-lynx.h: Don't include sys/types.h and
5894 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
5896 2001-03-02 Richard Henderson <rth@redhat.com>
5898 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
5899 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
5901 2001-03-02 Richard Henderson <rth@redhat.com>
5903 * Makefile.in (OBJS): Add dwarf2asm.o.
5904 * dwarf2asm.c, dwarf2asm.h: New files.
5905 * dwarf2out.c (*): Use them.
5906 (size_of_uleb128, size_of_sleb128): Remove.
5907 (output_uleb128, output_sleb128): Remove.
5908 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
5909 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
5910 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
5911 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
5912 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
5913 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
5914 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
5915 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
5916 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
5917 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5918 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
5919 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
5920 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
5921 (dwarf2out_frame_debug): Remove unused variables.
5922 (output_loc_operands): Don't abort on 8 byte constants if
5923 host integers are wide enough.
5924 (output_symbolic_ref): Remove.
5925 (size_of_die): Don't assume 4 byte host integers.
5926 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
5928 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
5929 something stupid with HOST_WIDE_INT to long truncation.
5930 [CONST_DOUBLE]: Likewise.
5932 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
5933 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
5934 * config/arm/unknown-elf.h: Likewise.
5935 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
5936 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
5937 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
5938 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
5939 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
5940 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
5941 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
5942 (ASM_OUTPUT_DWARF_OFFSET): Remove.
5943 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
5944 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
5945 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
5946 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
5948 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5950 * cselib.c (hash_rtx): Cast enums to unsigned int.
5952 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5954 * print-rtl.c (print_rtx): Cast enums to int for comparison.
5955 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
5957 * c-format.c (C_STD_VER): Cast to int for comparisons.
5958 (check_function_format): Cast various enums to int for &.
5959 (maybe_read_dollar_number): Likewise.
5960 (check_format_info): Likewise.
5961 (check_format_info_main): Likewise.
5962 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
5963 (safe_from_p): Likewise.
5964 * varasm.c (const_hash): Cast enum to int for %.
5965 * emit-rtl.c (init_emit_once): Use int loop variable to work around
5966 pcc enum problems with < and ++ operators.
5967 * regclass.c (init_reg_sets_1): Cast enums for comparison.
5968 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
5969 (regclass_init): Change enum class to int to iterate over reg_classes.
5970 * genrecog.c (merge_trees): Cast enums for comparison.
5971 * rtl.h (GET_CODE): Cast to enum rtx_code.
5972 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
5973 (GET_MODE): Cast to enum machine_mode.
5974 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
5975 (GET_NOTE_INSN_NAME): Cast enum to int.
5976 * tree.h (TREE_CODE): Cast to enum tree_code.
5977 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
5978 * timevar.c (timevar_print): Change loop variable id from enum to
5980 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
5981 * config/i386/i386.md: Use PUT_MODE for mode assignment.
5982 * toplev.c (compile_file): Cast enum DFI to int.
5983 (decode_d_option): Likewise.
5985 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
5987 * cppinit.c (append_include_chain): Mark "after" include file name list
5988 as a system directory.
5989 * cpp.texi: Document new behavior.
5991 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
5993 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
5995 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
5997 * cppfiles.c (struct include_file): Update.
5998 (stack_include_file): Use search_from.
5999 (cpp_included, find_include_file): Update.
6000 (cpp_execute_include): Update. ptr->name may not be
6001 null terminated. Use the new search_from member variable
6003 (_cpp_compare_file_date): Similarly.
6004 (search_from): New function, similiar to actual_directory.
6005 (actual_directory): Delete.
6006 (remap_filename): Update. loc->name may not be null terminated.
6007 (struct file_name_list): Rename search_path. Update.
6008 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
6009 search_from and dir.
6010 (struct cpp_reader): Remove actual_dirs.
6011 * cppinit.c (struct cpp_pending): Update for renamed objects.
6012 (append_include_chain, remove_dup_dir, remove_dup_dirs,
6013 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
6014 * cpplib.h (struct cpp_options): Similarly.
6016 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6018 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
6019 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
6020 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
6021 config/clipper/xm-clix.h, config/convex/xm-convex.h,
6022 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
6023 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
6024 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
6025 config/i370/xm-linux.h, config/i370/xm-mvs.h,
6026 config/i370/xm-oe.h, config/i386/xm-aix.h,
6027 config/i386/xm-i386.h, config/i386/xm-osf.h,
6028 config/i860/xm-i860.h, config/i960/xm-i960.h,
6029 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
6030 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
6031 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
6032 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
6033 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
6034 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
6035 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
6036 config/pj/xm-pj.h, config/romp/xm-romp.h,
6037 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
6038 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
6039 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
6040 config/v850/xm-v850.h, config/vax/xm-vax.h,
6041 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
6042 Do not define TRUE or FALSE.
6044 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
6045 empty by above change.
6046 * config.gcc: Remove references to these files.
6048 * configure.in: Detect stdbool.h.
6049 * configure, config.in: Regenerate.
6050 * system.h: Include stddef.h here if available.
6051 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
6052 Then set up a sensible boolean type at the very end.
6054 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
6055 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
6057 * hash.h: Delete 'boolean' typedef and related #undefs.
6059 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
6060 all uses of 'boolean' with 'bool'.
6062 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6064 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
6065 * cppexp.c (lex): Cast enums for comparison.
6066 * cppinit.c (parse_option): Cast enum for comparison.
6067 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
6068 (cpp_output_token): Likewise.
6069 (cpp_can_paste): Cast enums for comparsion and plus/minus.
6070 (cpp_avoid_paste): Cast enums for minus and comparison.
6072 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6074 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
6075 field to all array elements.
6077 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6079 * cpphash.h (struct cpp_reader): Add print_version field.
6080 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
6081 just set print_version and other flags as appropriate.
6082 (cpp_post_options): Print version here if print_version is set.
6084 * toplev.c (exit_after_options): New flag.
6085 (independent_decode_option): Don't exit here; just set
6087 (main): Exit after calling lang_hooks.post_options if
6088 exit_after_options is true.
6090 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
6091 (merge_include_chains): Adjust comment to match code.
6093 2001-03-01 Zack Weinberg <zackw@stanford.edu>
6095 * stringpool.c (set_identifier): New function.
6096 * tree.h: Prototype it.
6098 * c-parse.in: Kill D_YES. If compiled for objc, call
6099 save_and_forget_protocol_qualifiers from init_reswords.
6100 * objc/objc-act.c (remember_protocol_qualifiers,
6101 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
6102 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
6104 (save_and_forget_protocol_qualifiers): New function.
6105 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
6107 2001-03-01 Diego Novillo <dnovillo@redhat.com>
6109 * c-semantics.c (prune_unused_decls): Return error_mark_node
6110 instead of (tree) 1 to stop traversing the tree chain.
6112 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6114 Fix a problem introduced by Kenner's Feb 18 change.
6115 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
6116 flag_cse_skip_blocks only temporarily, not for ever.
6118 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
6120 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
6121 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
6123 * pa.c (emit_move_sequence): Verify operand0 is a hard register
6124 before determining its register class.
6126 2001-03-01 Bernd Schmidt <bernds@redhat.com>
6128 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
6129 from reg 4 if current_function_calls_setjmp.
6130 (gen_nop_type): New function.
6131 (ia64_emit_nops): New function.
6132 (ia64_reorg): Call it.
6133 (ia64_sched_reorder): Move code that rotates bundles up a bit.
6135 * reload1.c (eliminate_regs_in_insn): Restrict the special case
6136 code not to try to optimize adds with anything but a REG destination.
6138 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
6139 (INSN_PRIORITY_KNOWN): New accessor macro.
6140 * haifa-sched.c (priority): Use it instead of testing priority against
6143 2001-02-28 DJ Delorie <dj@redhat.com>
6145 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
6146 since that doesn't work the way gcc wants on a generic m68k.
6148 2001-02-28 Richard Henderson <rth@redhat.com>
6150 * caller-save.c (save_call_clobbered_regs): Fix typo in
6151 comparison last change.
6153 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
6155 * i386.c (pentium4_cost): New.
6156 (m_PENT4): New macro.
6157 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
6158 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
6159 x86_integer_DFmode_moves, x86_partial_reg_dependency,
6160 x86_memory_mismatch_stall): Add Pentium4
6161 (x86_use_q_reg, x86_use_any_reg): Kill.
6162 (override_options): Add pentium4.
6163 (incdec_operand): Return 0 for pentium4.
6164 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
6165 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
6166 (TARGET_PENTIUM4): Define.
6167 (enum processor_type): Add PROCESSOR_PENTIUM4.
6168 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
6169 * i386.md (attribute "cpu"): Add pentium4.
6170 * invoke.texi (march): Add pentium4.
6172 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
6174 * i386.md (sse_mov?fcc*): New patterns and splitters.
6175 * i386.c (ix86_expand_movcc): Work post-reload; recognize
6176 the SSE based conditional moves.
6178 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
6180 * i386.md (attribute mode): Add "TI".
6181 (movsf_1): Add pxor support; remove constant propagation splitter.
6182 (movdf_integer): Likewise.
6183 (movdf_nointeger): Likewise.
6184 (movxf constant prop splitter): Handle all modes; update for SSE.
6185 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
6186 * i386.c (standard_80387_constant_p): Rewrite.
6187 (standard_sse_constant_p): New.
6188 * i386-protos.h (standard_sse_constant_p): New.
6190 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
6192 * i386.md (sse_setccsf, sse_setccdf): New.
6193 (sse_cmp* patterns): Use '%D' instead of outputtting condition
6195 * i386.c (sse_comparison_operator): Accept the supported unordered
6196 comparses; be ready for fast_math.
6197 (print_operand): Support 'D'.
6199 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
6201 * jump.c (reversed_comparison_code): Kill.
6203 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
6205 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
6208 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
6210 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
6211 add missing '%' in constraints.
6213 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
6215 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
6216 for HOST_BITS_PER_WIDE_INT == 32 too.
6218 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
6220 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
6222 (insert_save, insert_restore): New parameter save_mode.
6223 (init_caller_save): Update initialization of reg_save_code
6224 and reg_restore_code.
6225 (save_call_clobbered_regs): Compute save_modes and update calls to
6226 reg_save_code and reg_restore_code.
6227 (insert_restore): Unsignetize numbers; use save_modes to choose mode
6228 of spill; update use of reg_restore_code.
6229 (insert_save): Likewise.
6230 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6231 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
6232 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
6234 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
6236 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
6237 noce_try_store_flag_inc, noce_try_store_flag_mask,
6238 noce_try_cmove_arith):
6239 Use reversed_comparison_code instead of reverse_comparison and
6240 can_reverse_comparison_p.
6242 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
6244 * jump.c (reversed_comparison_code_parts): Allow reversal of
6245 unordered compares in -ffast-math mode; reverse ordered compares
6246 for FP even w/o -ffast-math.
6248 2001-02-27 Richard Henderson <rth@redhat.com>
6250 * print-rtl.c (print_rtx) [i]: Don't print field five on
6251 NOTEs other than NOTE_INSN_DELETED_LABEL.
6253 2001-02-27 Zack Weinberg <zackw@stanford.edu>
6255 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
6256 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
6258 2001-02-27 Diego Novillo <dnovillo@redhat.com>
6260 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
6261 even if walk_subtrees is 0.
6262 * c-semantics.c (prune_unused_decls): Return a non-null value to
6263 stop traversing the tree chain.
6265 2001-02-27 DJ Delorie <dj@redhat.com>
6267 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
6268 register, *then* define it as the new CFA.
6270 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
6272 * pa.c (override_options): Promote -fpic to -fPIC.
6273 (legitimize_pic_address): Simplify due to removal of
6274 small PIC as a code generation option.
6275 (secondary_reload_class): Similarly.
6276 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
6277 (PRINT_OPERAND_ADDRESS): Similarly.
6278 * pa.md (various patterns): Similarly.
6279 (small pic lo_sum pattern): Remove.
6281 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
6284 * md.texi (min, max): Document
6286 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
6288 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
6289 TARGET_PARTIAL_REG_DEPENDENCY.
6290 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
6292 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
6294 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
6296 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
6298 * mips.c (mips_make_temp_file): Fix thinko in last change.
6300 2001-02-26 Jason Eckhardt <jle@redhat.com>
6302 * combine.c (known_cond): Do not reverse the condition when
6303 SMAX/UMAX is being considered and the condition is for equality
6306 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
6308 2001-02-26 Philip Blundell <philb@gnu.org>
6310 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
6312 * config/arm/linux-elf.h: Remove historical relics related to
6313 above configurations.
6314 * config/arm/linux-oldld.h: Delete.
6315 * config/arm/linux-elf26.h: Delete.
6317 2001-02-26 Jason Merrill <jason@redhat.com>
6319 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
6321 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
6322 recognize a tentative definition. Lose obsolete code.
6324 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
6325 variables unless necessary, either.
6327 2001-02-25 Richard Henderson <rth@redhat.com>
6329 * ifcvt.c (struct noce_if_info): Add test_bb.
6330 (noce_get_alt_condition): New.
6331 (noce_try_minmax, noce_try_abs): New.
6332 (noce_operand_ok): New.
6333 (noce_process_if_block): Use them.
6334 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
6336 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
6338 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
6341 2001-02-25 Zack Weinberg <zackw@stanford.edu>
6343 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
6344 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
6346 (mips_asm_file_end): Free temp_filename here.
6348 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6350 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
6351 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
6353 * config/i386/i386.md (movstrsi): Handle FAIL case.
6355 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
6357 * cppinit.c (builtin_array): Update.
6358 (init_builtins): Flag builtins to warn if redefined or
6359 undefined. Define __GXX_WEAK as a normal macro.
6360 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
6361 * cpplib.h (NODE_WARN): New flag.
6362 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
6363 Handle __STDC__ as a builtin only on Solaris.
6364 (warn_of_redefinition): Renamed from check_macro_definition.
6365 Reverse sense of test. Always warn if NODE_WARN.
6366 (_cpp_create_definition): Use warn_of_redefinition. Flag
6367 any macro beginning with "__STDC_" to require a mandatory
6368 warning if redefined or undefined.
6370 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6372 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
6373 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
6374 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
6375 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
6376 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
6377 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
6378 Don't define any of:
6379 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
6380 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
6381 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
6382 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
6383 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
6385 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
6386 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
6389 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
6390 Delete now-empty file.
6392 * alpha/vms.h: Define NEED_ATEXIT here...
6393 * alpha/xm-vms.h: ...not here.
6395 * i386/cygwin.h: Don't define PARAMS.
6396 * mips/mips.c: Don't prototype mktemp. Don't define
6397 P_tmpdir. Use make_temp_file to create temporary files.
6398 Don't be clever and delete temporary files early.
6399 * config.gcc: Drop references to deleted files. Don't define
6401 * gcc.texi: Don't mention USE_PROTOTYPES.
6403 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6405 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
6406 (ix86_set_move_mem_attrs_1): Likewise.
6407 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
6408 * config/i386/i386.md (movstrsi): Call it.
6410 2001-02-24 Zack Weinberg <zackw@stanford.edu>
6412 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
6413 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
6414 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
6415 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
6417 (i750a-*-*): Error here if hosting on i750a.
6418 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
6420 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
6421 Remove (empty modulo comments).
6423 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
6424 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
6425 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
6426 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
6427 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
6428 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
6430 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
6431 Remove reference to winnt.h in comment.
6432 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
6434 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6436 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
6437 used to set another biv.
6439 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6441 * tree.h (BLOCK_DEAD): New macro.
6442 (struct tree_block): New flag, dead_flag.
6443 * print-tree.c (print_node, case 'b'): Print missing fields.
6444 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
6445 * function.c (identify_blocks): Enable test for misplaced notes.
6446 (all_blocks): Skip BLOCK_DEAD blocks.
6447 * integrate.c (integrate_decl_tree): Likewise.
6449 * errors.c (internal_error, trim_filename): New functions.
6450 (fancy_abort): Call internal_error.
6451 * errors.h (internal_error, trim_filename): New declarations.
6453 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
6455 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
6457 (EXTRA_CONSTRAINT): Formatting changes.
6459 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6461 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
6463 2001-02-23 Per Bothner <per@bothner.com>
6465 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
6466 so they can be called from java/jvspec.c.
6467 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
6469 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
6471 * i386.c (ix86_frame): New structure.
6472 (ix86_compute_frame_size): Kill.
6473 (ix86_compute_frame_layout): New.
6474 (ix86_save_reg): New.
6475 (ix86_can_use_return_insn_p): Use frame layout stuff.
6476 (ix86_expand_prologue): Likewise.
6477 (ix86_expand_epilogue): Likewise.
6478 (ix86_initial_elimination_offset): Likewise.
6479 (ix86_nsaved_regs): Use ix86_save_reg.
6480 (ix86_emit_save_regs): Likewise.
6482 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
6484 * flow.c (find_sub_basic_blocks): New function.
6485 (split_block): Be ready for basic block introduced by CODE_LABEL.
6486 (commit_one_edge_insertion): Call find_sub_basic_block.
6488 * flow.c (make_edges): Add edge from entry for blocks starting with
6489 label having ALTERNATE_NAME
6491 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
6493 * function.c (epilogue_done): Be ready for first basic block not
6494 containing PROLOGUE_END note.
6495 (reposition_prologue_and_epilogue_notes): Avoid placing
6496 PROLOGUE_END note between BASIC_BLOCK.
6498 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
6500 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
6502 2001-02-21 DJ Delorie <dj@redhat.com>
6504 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
6505 check for current_function_has_nonlocal_goto from 1999-11-12.
6507 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6509 * diagnostic.c (trim_filename): No longer static.
6510 * toplev.h (trim_filename): Declare.
6511 * rtl.c (rtl_check_failed_bounds): Call internal_error.
6512 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
6513 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
6514 (rtvec_check_failed_bounds): Likewise.
6515 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
6517 * convert.c (convert_to_integer): Don't do unsigned unless result or
6518 both inputs are unsigned.
6520 * fold-const.c (fold_convert): Don't call size_int_type_wide if
6523 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
6525 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
6527 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
6529 * Makefile.in (resource.o): Add params.h dependence.
6530 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
6531 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
6532 * resource.c: Add dependence on params.h.
6533 (current_live_regs): Fix explanatory comment.
6534 (find_basic_block): Add new parameter to permit limiting search
6536 (mark_target_live_regs): Add new argument to find_basic_block call.
6537 (incr_ticks_for_insn): Likewise.
6539 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
6541 * diagnostic.c (output_to_stream): Rename to
6542 output_buffer_to_stream. Loses the stream parameter.
6543 (init_output_buffer): Set diagnosic_buffer's stream.
6544 (flush_diagnostic_buffer): Adjust.
6545 (default_print_error_function): Likewise.
6546 (finish_diagnostic): Likewise.
6547 (verbatim): Likewise.
6549 * diagnostic.h (struct output_buffer): Add `stream' field.
6550 (output_buffer_attached_stream): New macro.
6552 2001-02-23 Jakub Jelinek <jakub@redhat.com>
6554 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
6555 check if either operand is divisible by C.
6556 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
6557 If type is signed, consider negative numbers as well.
6559 2001-02-22 Richard Henderson <rth@redhat.com>
6561 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
6562 reach .text instead of gp-relative relocs.
6563 * config/ia64/crtend.asm (.init): Likewise.
6565 2001-02-22 Andreas Jaeger <aj@suse.de>
6567 * extend.texi (C++ Attributes): Fix typo.
6569 2001-02-21 David Mosberger <davidm@hpl.hp.com>
6571 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
6572 functions, drop current_function_args_info.words test.
6573 (ia64_compute_frame_size): Mark syscall_linkage functions as
6574 using eight input registers.
6576 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
6577 Bruce Korb <bkorb@gnu.org>
6579 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
6580 * fixinc/README: Document how to convert sed substitutions
6581 to format style c_fix-es.
6582 * fixinc/fixincl.x: regen
6584 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
6586 * gcc.c: Add comment explaining how to add a command-line option.
6587 Add title to specs language comment.
6589 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6591 * gcc.c (cc1_options): Add "-param".
6592 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
6593 (option_map): Likewise.
6594 * toplev.c (display_help): Add entry for "--param".
6595 (independent_decode_option): Fix typographical error.
6597 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
6598 Bernd Schmidt <bernds@redhat.com>
6599 Jan Hubicka <jh@suse.cz>
6601 * i386.c (function_arg_advance): Pass SSE arguments in registers.
6602 (function_arg): Likewise.
6604 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
6606 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
6608 2001-02-21 Kazu Hirata <kazu@hxi.com>
6610 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
6614 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
6616 * flow.c (init_propagate_block_info): Canon address and use single_set
6617 for killing dead memory stores.
6619 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
6621 * Makefile.in (reorg.o): Add params.h dependence.
6622 * params.def: Fix typographical error in comment.
6623 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6624 * params.h: Modify introductory comment.
6625 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
6626 * reorg.c: Add dependence on params.h.
6627 (redundant_insn): Add parameterized throttle for search.
6628 (fill_simple_delay_slots): Add a comment explaining a variable.
6629 Move conditional out of loop, simplifying code.
6630 (fill_eager_delay_slots): Fix typographical error in comment.
6632 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
6634 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
6636 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
6637 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
6639 2001-02-21 Jason Merrill <jason@redhat.com>
6641 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
6642 (struct tree_decl): Add uninlinable bitfield.
6643 * c-decl.c (duplicate_decls): Set it.
6644 * integrate.c (function_cannot_inline_p): Check it.
6646 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
6647 DW_AT_MIPS_linkage_name to abstract methods.
6648 (dwarf2out_abstract_function): Emit class context before calling
6649 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
6650 (gen_subprogram_die): Remove obsolete code.
6651 (gen_member_die): Don't include clones in the member list.
6652 (gen_decl_die): Emit abstract info for clone origin.
6653 * dwarfout.c (output_type): Don't include clones in the member list.
6654 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
6655 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
6656 DECL_ABSTRACT on a function that already has it set.
6658 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
6659 (get_subprogram_die): Pass it in.
6661 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
6663 * flow.c (mark_set_1): Make not_dead unsigned long. For
6664 non-pseudos, use it as a bitmask of the hard regs that
6667 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
6669 * cppfiles.c: Update comments.
6670 (_cpp_read_file): Don't check for NULL filenames any more.
6671 * cppinit.c (cpp_start_read): Don't do canonicalization of
6672 in_fname and out_fname. Use the passed file name exclusively.
6673 (_cpp_handle_options): Don't treat "-" as a command line option,
6674 but as a normal filename.
6675 (_cpp_post_options): Canonicalize in_fname and out_fname.
6676 * cppmain.c (printer_init): Don't check out_fname for NULL.
6677 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
6678 (init_c_lex): Update, and use "" to represent stdin to CPP.
6681 2001-02-20 Will Cohen <wcohen@redhat.com>
6683 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
6684 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
6685 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
6688 2001-02-20 Stan Shebs <shebs@apple.com>
6690 * config/rs6000/rs6000.c (output_cbranch): Output branches
6691 on separate lines instead of using ';' to separate.
6693 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
6695 * cppinit.c (set_lang): Move builtin handling to...
6696 (init_builtins): ...here.
6697 (_cpp_create_reader): Move call to set_lang.
6699 2001-02-20 Mark Mitchell <mark@codesourcery.com>
6701 * stmt.c (expand_return): If an attempt is made to return the
6702 error_mar_node, treat the return like a return without a value.
6704 2001-02-19 Zack Weinberg <zackw@stanford.edu>
6706 * sibcall.c (skip_copy_to_return_value): Call
6707 identify_call_return_value here, and return orig_insn if it
6708 returns zero. Hardret and softret arguments now unnecessary.
6709 (call_ends_block_p): Don't call identify_call_return_value here.
6711 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
6713 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
6714 * ggc.h (ggc_mark_if_gcable): Delete prototype.
6716 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
6718 * pa.c (move_operand): Accept code to load the address of a
6719 symbol out of the DLT as a valid move operand.
6720 (print_operand, case 'A'): New to handle generating a DLT
6721 reference for a LO_SUM expression.
6722 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
6723 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
6725 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
6727 * README, cpp.texi, gcc.texi, version.c: Update version number to
6729 * cpp.1, gcov.1, gcc.1: Regenerate.
6731 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
6733 * cppfiles.c (stack_include_file): Generate dependencies
6734 here, and manage include_count here too.
6735 (PRINT_THIS_DEP): Delete.
6736 (_cpp_execute_include): Do not generate dependencies here,
6737 apart from the case of a missing header. Do not manage
6739 (_cpp_read_file): Leave dependency generation to
6742 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
6744 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
6745 target_cpu_default. Remove dead assignment to
6748 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
6750 * regclass.c (contains_reg_of_mode): Make global.
6751 (init_reg_sets): Remove contains_reg_of_mode; take into account
6752 CLASS_MAX_NREGS when looking for the proper mode.
6753 (dump_regclass): Dump only classes considered for the pseudo.
6754 (regclass): Use contains_reg_of_mode.
6756 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
6758 * gcc.c (do_spec_1): 'n' for printing notices.
6759 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
6761 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
6763 * reg-stack.c (next_flags_user): Use current_block->end
6764 (swap_rtx_condition): Look for next user if flags don't die;
6765 give up on CALL_INSNs; use current_block->end.
6767 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6769 * sibcall.c (call_ends_block_p): New function.
6770 (optimize_sibling_and_tail_recursive_call): Use it.
6772 2001-02-18 Kazu Hirata <kazu@hxi.com>
6774 * config/h8300/h8300.md: Update copyright.
6775 (andsi3): Do not output an extra newline character.
6777 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6779 * toplev.c (note_deferral_of_defined_inlined_function): Argument
6780 FNDECL may be unused.
6782 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
6783 follow jumps after first run.
6784 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
6785 it doesn't change any jumps.
6787 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
6789 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
6790 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
6791 (mostlyclean): Corresponding changes.
6792 * rtlanal.c (hard-reg-set.h): Include.
6793 (rtx_unstable_p): Do not treat the argument pointer specially
6794 if it is not a fixed register.
6795 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
6797 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6799 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
6800 against last real insn in basic block.
6801 Rework to avoid gotos.
6803 * Makefile.in (gcse.o): Now includes ggc.h.
6804 * gcse.c: Include ggc.h.
6805 (want_to_gcse_p): Verify expression can be in SET as valid insn.
6806 (try_replace_reg): Remove warning of uninitialize variable.
6807 (process_insert_insn): Call invalid_insn_p to validate insn.
6808 * recog.c (insn_invalid_p): Now global.
6809 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
6810 * recog.h (insn_invalid_p): New declaration.
6812 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
6814 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
6815 assignments from FP constants since 'Y' output code can't handle it.
6816 (eligible_for_sibcall_delay): Likewise.
6818 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
6819 Call fancy_abort directly, passing args.
6820 (print_rtl_and_abort): Now a macro, like fancy_abort.
6822 * final.c (output_operand_lossage): Use internal_error, not error.
6824 2001-02-18 Shane Nay <shane@agendacomputing.com>
6826 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
6827 structure shift insns.
6829 2001-02-18 Mark Mitchell <mark@codesourcery.com>
6831 * invoke.texi (-fsquangle): Remove documentation.
6832 (-fname-mangling-version): Likewise.
6834 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
6836 * optabs.c (expand_abs): Remove reference to
6837 HAVE_contitional_arithmetic.
6838 * combine.c (simplify_set): Likewise.
6840 2001-02-18 Richard Henderson <rth@redhat.com>
6842 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
6845 2001-02-18 Richard Henderson <rth@redhat.com>
6847 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
6849 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
6851 * reload1.c (reload_cse_simplify_set): Fix typo.
6853 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6855 * diagnostic.c (_fatal_insn): Decrement errorcount.
6857 * invoke.texi (-I): Add note avoiding use for system header files.
6859 * rtl.h (add_clobbers): Remove duplicate declaration.
6860 * recog.h (added_clobbers_hard_reg_p): New declaration.
6861 * genemit.c (struct clobber_pat): New field has_hard_reg.
6862 (gen_insn): Record if added clobbers clobber hard reg.
6863 (gen_split): Avoid unused warning if number of operands is 0.
6864 (output_added_clobbers_hard_reg_p): New function.
6867 2001-02-18 Alan Modra <alan@linuxcare.com.au>
6869 * pa.c (hppa_expand_prologue): Simplify code storing return
6870 pointer. For large (>=8k) frames with a post_store, adjust stack
6871 pointer by 8k-64 first rather than by 64. When testing with
6872 VAL_14_BITS_P, always use the actual value rather than the value
6873 negated. Add blockage to prevent scheduling of spills before
6874 stack frame has been created.
6875 (hppa_expand_epilogue): Simplify code loading return pointer.
6876 Allow a slightly larger range for merge_sp_adjust_with_load case.
6877 When testing with VAL_14_BITS_P, always use the actual value.
6879 * pa.c (pa_adjust_insn_length): Check that block move
6880 pattern is a set before looking at operands.
6882 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6884 * fold-const.c (fold_binary_op_with_conditional_arg): New
6885 function, split out from ...
6887 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
6888 conditional arms that throw exceptions.
6890 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
6893 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6895 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
6896 define HAVE_DECL_* to 1 to mask potential backup declarations.
6897 * configure: Regenerated.
6899 2001-02-17 Mark Mitchell <mark@codesourcery.com>
6901 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
6903 2001-02-17 Richard Henderson <rth@redhat.com>
6905 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
6906 when replacing a memory load with a register.
6908 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6909 Jan Hubicka <jh@suse.cz>
6911 * recog.c (validate_replace_src_1): New.
6912 (validate_replace_src_data): Likewise.
6913 (validate_replace_src): Use note_uses.
6914 * rtl.h (note_uses): Declare.
6915 * rtlanal.c (note_uses): New.
6917 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
6919 * reg-stack.c (stack_def): Make field reg unsigned.
6920 (remove_regno_note): Unsignetize parameter.
6922 2001-02-16 Jes Sorensen <jes@linuxcare.com>
6924 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
6925 shladd_operand() call.
6927 2001-02-16 Bruce Korb <bkorb@gnu.org>
6928 Rodney Brown <RodneyBrown@mynd.com>
6930 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
6931 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
6932 machine restrictions
6933 * fixinc/fixincl.x: regen
6935 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6937 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
6939 (hash_scan_insn): Clean up calls to hash_scan_set.
6940 (compute_kill_rd): REGNO now unsigned.
6941 (try_replace_reg): Rework to use simplify_replace_rtx.
6942 (cprop_jump, cprop_cc0_jump): Likewise.
6943 (cprop_insn): Call find_reg_equal_equiv_note.
6944 Reflect changes to cprop_jump and cprop_cc0_jump.
6946 * recog.c (validate_replace_src): Replace in operands of
6947 ZERO_EXTRACT in SET_DEST.
6949 * cse.c (new_label_ref): New variable.
6950 (insert): Set it instead of recorded_label_ref.
6951 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
6952 CODE_LABEL for this function, and not already in REG_LABEL note.
6954 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
6956 * resource.c (mark_referenced_resources): Fix typo in introductory
6958 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
6961 2001-02-16 Jason Merrill <jason@redhat.com>
6963 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
6965 (gen_subprogram_die): Don't abort on seeing a second definition if
6966 the previous one was abstract. Don't replace an abstract instance
6967 in the lookup table.
6969 * dwarf2out.c (dwarf2out_abstract_function): Rename from
6970 gen_abstract_function.
6971 * dwarf2out.h: Declare it.
6972 * toplev.c (note_outlining_of_inline_function): New fn.
6973 * toplev.h: Declare it.
6974 * integrate.c (output_inline_function): Call it.
6975 * c-decl.c (duplicate_decls): Call it when redefining an extern
6976 inline. Don't inline the new defn.
6978 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
6980 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
6982 * .gdbinit: Rename to gdbinit.in.
6983 * gdbinit.in: New file,
6984 * configure.in: Generate .gdbinit from gdbinit.in.
6985 * configure: Regenerated.
6986 * Makefile.in (distclean): Always remove .gdbinit.
6988 2001-02-16 Jakub Jelinek <jakub@redhat.com>
6990 * objc/objc-act.c (start_class): Register implemented_classes with
6993 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
6995 * cppfiles.c (_cpp_make_system_header): Generate a file
6998 2001-02-15 Jim Meyering <meyering@lucent.com>
7000 * Makefile.in (install-common): Don't depend on installdirs here.
7001 Instead, make each of the lang.install-common targets (e.g.,
7002 c++.install-common in cp/Make-lang.in) depend on it.
7003 (install-driver): Depend on installdirs.
7005 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7007 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
7009 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
7012 2001-02-15 Mark Mitchell <mark@codesourcery.com>
7014 * invoke.texi (--param): Document.
7016 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
7018 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
7020 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
7022 * i386.md (extendsfdf2_2): Fix constraints.
7024 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
7026 * i386.md (fop_df_3 splitter): Fix operand number.
7028 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
7030 * invoke.texi (-mreg-alloc): Nuke.
7031 * i386.c (ix86_reg_alloc_order, regs_allocated,
7032 order_regs_for_local_alloc): Nuke.
7033 (override_options): Kill reg_alloc code.
7034 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
7035 (REG_ALLOC_ORDER): SSE goes before I387.
7036 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
7037 (ix86_reg_alloc_order): Likewise.
7038 * i386-protos.h (ix86_reg_alloc_order): Kill.
7040 2001-02-14 Richard Henderson <rth@redhat.com>
7042 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
7044 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
7046 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
7048 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
7050 * i386-protos.h (ix86_memory_move_cost): Move offline.
7051 * i386.c (ix86_register_move_cost): Compute properly cost of
7052 SSE, MMX and i387 instructions.
7053 (*_cost): Add costs of SSE/MMX moves.
7054 (ix86_memory_move_cost): Move offline from ....; Likewise.
7055 * i386.h (MEMORY_MOVE_COST): .... here;
7056 (struct processor costs): Add new fields to represent costs
7059 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
7061 * regclass.c (init_reg_sets_1): Reinstall the optimization of
7062 move_cost together with Matt Kraai's fix.
7064 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7066 * Makefile.in (OBJS): Add params.o.
7068 2001-02-14 Richard Henderson <rth@redhat.com>
7069 DJ Delorie <dj@redhat.com>
7071 * jump.c (jump_optimize_1): When we delete a conditional jump
7072 preceeding a non-conditional jump to effectively the same place,
7073 make sure that the combined jump skips any clobber insns between
7076 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
7078 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
7080 2001-02-14 Mark Mitchell <mark@codesourcery.com>
7082 * Makefile.in (toplev.o): Depend on params.h.
7083 (intergate.o): Likewise.
7084 (params.o): New target.
7085 * flags.h (inline_max_insns): Remove.
7086 * integrate.c: Include params.h.
7087 Use MAX_INLINE_INSNS instead of inline_max_insns.
7088 * params.c: New file.
7089 * params.h: Likewise.
7090 * params.def: Likewise.
7091 * toplev.c: Include params.h.
7092 (lang_independent_params): New variable.
7093 (decode_f_option): Use the param machinery instead of setting
7095 (independent_decode_option): Handle "--param name=value".
7096 (main): Register language-independent parameters.
7098 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
7100 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
7102 2001-02-14 Richard Henderson <rth@redhat.com>
7104 * regclass.c (init_reg_sets_1): Revert last two changes.
7106 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7108 * stor-layout.c (is_pending_size, put_pending_size): New functions.
7109 (variable_size): Call put_pending_size.
7110 * tree.h (is_pending_size, put_pending_size): Add prototypes.
7111 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
7112 sizes list, put newly created SAVE_EXPR there as well.
7114 2001-02-14 Jakub Jelinek <jakub@redhat.com>
7116 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
7117 (errata_find_address_regs): load_group has only 2 entries.
7118 (errata_emit_nops): Likewise. shladd is not problematic.
7119 Clear last_group if nop was emitted.
7120 (fixup_errata): load_group has only 2 entries.
7123 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
7125 * c-lex.c (lex_number): Only warn traditionally for U suffix
7126 outside system macros.
7127 * cppexp.c (parse_number): Similarly.
7128 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
7129 * cppmacro.c (struct cpp_macro): New member node.
7130 (parse_args): Only warn about missing rest args if not
7132 (funlike_invocation_p): Similarly for uninvoked funlike macros.
7133 (cpp_sys_objmacro_p): New.
7134 (_cpp_create_definition): Store the node with the macro defn.
7135 Remember if the macro is defined in a system header.
7137 2001-02-13 DJ Delorie <dj@redhat.com>
7139 * configure.in (check_languages): determine languages to check
7140 * Makefile.in (check-c++): alias for check-g++
7141 (check-f77): alias for check-g77
7142 (CHECK_TARGETS): depend on configured languages
7144 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
7146 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7147 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7148 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7149 (sqrtextendsfdf2): Disable for SSE2.
7151 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
7153 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
7154 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
7155 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
7156 (sqrtextendsfdf2): Disable for SSE2.
7158 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
7160 * i386.md (movsfcc_1): Support integer cmove instruction.
7161 (movdfcc_1): Likewise; new splitter.
7163 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
7165 * i386.c (output_fp_compare): Support SSE.
7166 (prepare_fp_compare_args): SSE comparisons always support memory.
7167 * i386.h (TARGET_CMOVE): SSE imply cmove.
7168 * i386.md (cmp?f2): Enable for SSE too.
7169 (cmpfp_i*): Support SSE.
7171 (cmpfp_i_sse_only): New.
7172 (s*, b* fp expanters): Enable for SSE too.
7173 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
7176 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
7178 * regclass.c (init_reg_sets_1): Silence warning.
7180 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
7182 * i386.md (sqrt?f2): Change to expander.
7183 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
7185 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7187 * rtlanal.c (find_reg_equal_equiv_note): New function.
7188 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
7189 (simplify_gen_relational, simplify_replace_rtx): Likewise.
7190 * rtl.h: Add declarations for above functions.
7192 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
7194 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
7196 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
7197 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
7198 * flow.c (mark_regs_live_at_end): Likewise.
7199 (calculate_global_regs_live): Likewise.
7200 * gcse.c (compute_hash_table): Likewise.
7201 (compute_kill_rd): Likewise.
7202 * resource.c (mark_target_live_regs): Likewise.
7203 * rtl.h (INVALID_REGNUM): New macro.
7205 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
7207 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
7209 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
7211 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
7214 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
7216 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
7218 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
7219 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
7220 (fop_sf_1_sse, fop_df_1_sse): New patterns
7221 (fop_*): Disable float_extend and float patterns for SSE compilation.
7222 * i386.c (output_387_binary_op): Support SSE.
7224 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
7226 * i386.md (dummy_extendsfdf2): Support SSE2
7227 (extendsfdf2): Enable if 80387 or SSE2.
7228 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
7229 and no MIX_I387_SSE2
7230 (extendsfdf2_1_sse_only): New pattern.
7231 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
7233 (truncdfsf2_1): Support SSE.
7234 (truncdfsf2_2): Support SSE.
7235 (truncdfsf2_2_1_sse): New pattern.
7236 (fixtruncsfsi2): Always use SSE if available.
7237 (fix_truncsfsi_sse): New pattern.
7238 (fix_truncdfsi_sse): New pattern.
7239 (floatsis?f2): Support SSE.
7240 (floatsidf2_i387): New pattern.
7241 (floatsidf2_sse): Likewise.
7243 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7245 * configure.in: Use "have_gnat" variable, not "gnat".
7246 * configure: Regenerated.
7248 * config/sparc/sparc.c (function_value): Treat all non-record
7249 aggregate types like used to treat UNION_TYPE.
7251 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
7253 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
7254 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
7256 (MASK_MIX_SSE_I387): New.
7257 (TARGET_SSE): SSE2 imply SSE.
7258 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
7259 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
7260 (enum reg_class): Add new classes.
7261 (REG_CLASS_NAMES): Likewise.
7262 (REG_CLASS_CONTENTS): Likewise.
7263 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
7264 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
7265 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
7266 (CLASS_MAX_NREGS): Use new macros.
7267 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
7268 * i386.md (pushsf, movsf): Support SSE.
7269 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
7270 splitters to use ANY_FP_REGNO_P.
7271 (movdf_nointeger, movdf_integer): Likewise.
7273 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7275 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
7276 (try_combine): Use it.
7278 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
7280 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
7281 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
7282 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
7283 (REGISTER_MOVE_COST): Likewise.
7284 * i386-protos.h (ix86_secondary_memory_needed,
7285 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
7286 * i386.c (ix86_secondary_memory_needed,
7287 ix86_preferred_reload_class, ix86_register_move_cost): New function.
7289 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
7291 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
7292 (HARD_REGNO_MODE_OK): Move offline to ....
7293 * i386.c (ix86_hard_regno_mode_ok) ... here;
7294 refuse all incorrect modes.
7295 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
7297 2001-02-13 Richard Henderson <rth@redhat.com>
7299 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
7300 entire operator; replicate that and match_dup the operands.
7301 (cmp_ccx_arith_op_set): Likewise.
7302 (cmp_cc_arith_op_not_set): Likewise.
7303 (cmp_ccx_arith_op_not_set): Likewise.
7305 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
7307 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
7309 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7311 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
7312 (TARGET_NO_BITFIELD_WORD): New macro.
7313 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
7314 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
7316 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7318 * cselib.c: New file, from simplify-rtx.c.
7319 * simplify-rtx.c: Remove cselib parts.
7320 * Makefile.in: Add cselib.o.
7322 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
7324 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
7325 (setup_incoming_varargs): Remove warning.
7327 * config/rs6000/rs6000.c (validate_condition_mode): When
7328 flag_fast_math, allow floating-point conditionals to be reversed.
7329 (rs6000_generate_compare): When flag_fast_math, don't generate
7330 cror operations for FP conditionals.
7332 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
7334 (ASM_SPEC): Likewise.
7335 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
7336 (CC1_SPEC): Likewise.
7337 (LINK_TARGET_SPEC): Likewise.
7338 (CPP_ENDIAN_SPEC): Likewise.
7339 * Makefile.in (check-consistency): New target.
7341 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
7343 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
7344 "return type defaults" warning for functions with return type
7346 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
7347 function declarations by default rather than only when pedantic.
7349 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
7351 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
7354 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7356 * extend.texi (Deprecated): Deprecate new initializer lists.
7358 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
7360 * mkdeps.c (deps_add_default_target): Robustify. Add
7361 basename component only.
7362 * cpp.texi (-M): Describe how default target is generated.
7363 * invoke.texi (-M): Likewise.
7365 2001-02-12 Kazu Hirata <kazu@hxi.com>
7367 * toplev.c (push_float_handler): Remove.
7368 (pop_float_handler): Remove.
7369 * toplev.h: Remove prototypes for the above functions.
7371 2001-02-12 Jakub Jelinek <jakub@redhat.com>
7373 * c-common.c (constant_fits_type_p): New function.
7374 (convert_and_check): Use it.
7376 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7378 * Makefile.in (GXX_ABI_FLAG): Don't define.
7379 * configure.in (--enable-new-gxx-abi): Remove option.
7380 * config.in: Regenerated.
7381 * configure: Likewise.
7383 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
7385 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
7387 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
7388 regular basic block, and arrange for all edges into it to switch
7391 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
7393 * Makefile.in (distclean): Do not remove .gdbinit.
7395 2001-02-11 Mark Mitchell <mark@codesourcery.com>
7397 * Makefile.in (gcc.o): Fix typos.
7398 (protize.o): Likewise.
7399 (unprotoize.o): Likewise.
7401 2001-02-11 Richard Henderson <rth@redhat.com>
7403 * tree.c (build1): Check for null operand in last change.
7405 2001-02-11 Richard Henderson <rth@redhat.com>
7407 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
7408 (fold): Don't assume a constant isn't foldable.
7409 * tree.c (build): Set TREE_CONSTANT for an expression with no
7410 side-effects and constant operands.
7413 2001-02-10 Richard Henderson <rth@redhat.com>
7415 * jump.c (squeeze_notes): Revert 2000-05-12 change.
7417 2001-02-10 Anthony Green <green@redhat.com>
7419 * cpp.texi (Standard Predefined): Add documentation for
7422 * c-common.c (combine_strings): Improve warning message.
7424 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
7426 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
7428 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
7430 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
7432 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
7435 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
7437 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
7440 2001-02-09 Nick Clifton <nickc@redhat.com>
7442 * config/arm/arm.md: Change output contraint on post inc
7443 load/store multiple patterns to be a read/write contraint.
7445 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
7447 * gcc.c (cpp_options): Delete .d files on error. Don't delete
7448 .o files when using the -M options.
7450 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7451 David Edelsohn <edelsohn@gnu.org>
7453 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
7454 handle DImode constants. Use one TOC entry for SImode and smaller
7455 constants, aligned properly.
7457 2001-02-08 Jason Merrill <jason@redhat.com>
7459 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
7460 about the SP adjustment for saving the static chain pointer.
7461 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
7462 offset when setting a temporary CFA register.
7464 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
7466 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
7467 powerpc-*-chorusos* .
7468 * config/rs6000/chorus.h : New file.
7469 * config/i386/chorus.h : New file.
7470 * config/sparc/chorus.h : New file.
7471 * config/sparc/t-chorus-elf : New file.
7473 2001-02-08 David Edelsohn <edelsohn@gnu.org>
7475 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
7476 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
7477 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
7478 (__WCHAR_TYPE__): Correct macro name.
7480 2001-02-08 Richard Henderson <rth@redhat.com>
7482 * config/i386/i386.c (ix86_frame_pointer_required): New.
7483 (ix86_setup_frame_addresses): New.
7484 (struct machine_funciton): Add accesses_prev_frame.
7485 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
7486 ix86_frame_pointer_required.
7487 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
7488 (SETUP_FRAME_ADDRESSES): New.
7489 * config/i386/i386-protos.h: Update.
7490 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
7491 from FRAME_POINTER_REQUIRED.
7492 * config/i386/svr3gas.h: Likewise.
7493 * config/i386/sysv3.h: Likewise.
7494 * config/i386/v3gas.h: Likewise.
7496 2001-02-08 Richard Henderson <rth@redhat.com>
7498 * config/sparc/sparc.c (function_arg_record_value_3): Fix
7499 calculation of the number of integer registers required.
7500 (function_arg_record_value): Likewise.
7502 2001-02-08 Jason Merrill <jason@redhat.com>
7504 * diagnostic.c (internal_error): Say "confused" after 1 error, not
7505 two. Print file and line with "confused" message.
7507 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
7509 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7511 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
7513 2001-02-08 Bernd Schmidt <bernds@redhat.com>
7515 * final.c (cleanup_subreg_operands): The address of a MEM can
7518 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
7521 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
7523 * gcc.texi (Incompatibilities): Update documentation of
7524 preprocessing numbers.
7526 2001-02-07 Jakub Jelinek <jakub@redhat.com>
7528 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
7530 2001-02-07 Mark Mitchell <mark@codesourcery.com>
7532 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
7534 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
7535 * gcc.c (struct compiler): Add cpp_spec field.
7536 (input_file_compiler): New variable.
7537 (do_spec_1): Allow a particular compiler to handle `%C'
7539 (main): Store the current compiler in input_file_compiler.
7540 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
7542 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
7544 * cpphash.h (struct spec_nodes): Add n_true and n_false.
7545 * cppinit.c (cpp_create_reader): Initialize them.
7546 (append_include_chain): cxx_aware arg might be unused.
7547 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
7548 keywords and give them their phase 7 meaning. Pedwarn about
7549 this unless '__bool_true_false_are_defined' is defined.
7551 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7553 * lcm.c (optimize_mode_switching): Emit mode_set before the
7554 JUMP_INSN of an abnormal edge.
7556 2001-02-07 Bernd Schmidt <bernds@redhat.com>
7558 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
7559 a scheduling barrier at the end.
7561 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
7563 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
7565 * config/sh/sh.md (reload_outsf): Removed.
7566 (movsf_ie): Introduce constraints for FPUL loads and stores.
7567 (reload_insf): Broaden the output constraint.
7569 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
7571 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
7572 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
7574 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
7576 * final.c: Revert my previous changes.
7577 * output.h: Make profile_label_no extern.
7578 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
7579 for generating label.
7581 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
7583 * config/i386/djgpp.h: Add comments about standard paths.
7584 (MD_EXEC_PREFIX): Undefine before defining.
7585 (MD_STARTFILE_PREFIX): New.
7587 2001-01-30 Bruce Korb <bkorb@gnu.org>
7589 fixinc/fixincl.c(process): Emit error message only if appropriate :)
7590 (load_file): do not rely on load_file_data() to close file pointer
7591 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
7592 fixinc/inclhack.def(irix_limits_const): add test_text
7594 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7596 * cppexp.c (parse_defined): Improve diagnostics for invalid
7599 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
7601 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
7603 2001-02-06 Mark Mitchell <mark@codesourcery.com>
7605 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
7606 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
7607 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
7608 (rs6000_output_symbol_ref): New function.
7609 (output_toc): Use VTABLE_NAME_P.
7611 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7613 * print-tree.c (print_node, case PARM_DECL):
7614 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
7616 * stor-layout.c (reference_types_internal): New variable.
7617 (internal_reference_types): New function.
7618 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
7619 * tree.h (internal_reference_types): New declaration.
7621 * cse.c (find_best_addr): Fix typo in computing cost.
7623 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7625 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
7626 and this is the sum of a pointer and a constant, we know the result
7628 (num_sign_bit_copies, case PLUS): Likewise.
7629 * explow.c (convert_memory_address): Remove opposite SUBREG.
7630 * function.c (instantiate_new_reg): New function (from common code).
7631 (instantiate_virtual_regs_1): Call it.
7632 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
7633 if pointers sign- or zero-extend.
7634 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
7635 If pointers extend unsigned, use inside of SUBREG.
7636 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
7638 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
7640 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
7641 subdir of gcc_gxx_include_dir.
7642 (gcc_gxx_target_include_dir): Remove.
7644 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
7646 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
7647 (dwarf2out_frame_debug_expr): Revise introductory comments to add
7648 a high-level description.
7650 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
7652 * final.c: Move the declaration of profile_label_no to ...
7653 * output.h: ... here.
7654 * function.c (expand_function_start): Call PROFILE_HOOK.
7655 * config/rs6000/aix.h: Define PROFILE_HOOK.
7656 * config/rs6000/rs6000-protos.h: output_profile_hook new.
7657 * config/rs6000/rs6000.c (output_profile_hook): Define.
7658 (output_prolog): Do nothing for ABI_AIX as it is taken care by
7659 output_profile_hook.
7660 tm.texi : Explain new macro PROFILE_HOOK.
7662 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
7664 * extend.texi (Extended Asm): Do not say that semicolon is always
7665 a valid line-breaking character for GNU assemblers. Use
7666 newline-tab as the most commonly supported syntax. Use
7667 newline-tab rather than semicolon in multi-insn examples.
7669 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7671 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
7673 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
7674 David Edelsohn <edelsohn@gnu.org>
7676 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
7677 code for AIX, even without flag_pic.
7679 2001-02-05 Jakub Jelinek <jakub@redhat.com>
7681 * c-typeck.c (common_type): push and pop binding level around
7682 calling common_type on function parameters.
7684 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
7686 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
7688 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7690 * config/mips/mips.c (override_options): Fix typo in last change.
7691 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
7692 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
7694 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
7696 * invoke.texi (-fdump-class-layout): Document.
7697 (-fdump-translation-unit): Use `=' as filename separator.
7699 2001-02-05 Mark Mitchell <mark@codesourcery.com>
7701 * Makefile.in (s-mlib): Don't build multilibs if
7703 (DRIVER_DEFINES): Adjust accordingly.
7705 (protoize.o): Likewise.
7706 (unprotoize.o): Likewise.
7707 * configure.in: Recognize --enable-multilib.
7709 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7711 * Makefile.in (DRIVER_DEFINES): Fix quoting.
7713 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
7714 * configure.in: Remove --enable-libstdcxx_v3 support.
7715 * configure: Regenerated.
7717 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7719 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
7720 Call abort instead of fatal.
7721 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
7722 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
7723 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
7724 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
7725 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
7726 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
7728 * diagnostic.h (set_internal_error_function): Renamed.
7729 * toplev.h (internal_error): Renamed from fatal.
7730 (pfatal_with_name): Deleted.
7731 (fatal_io_error): Now has printf-style arguments.
7732 * diagnostic.c (pfatal_with_name): Deleted.
7733 (fatal_io_error): Rework to have args in printf-style.
7734 (set_internal_error_function): Renamed from set_fatal_function.
7735 (internal_error): Renamed from fatal.
7736 (error_recursion, fancy_abort): Call internal_error instead of fatal.
7737 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
7738 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
7739 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
7740 * flow.c (verify_flow_info): Likewise.
7741 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
7742 * config/mips/mips.c (save_restore_insns): Likewise.
7744 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
7745 * flow.c (verify_flow_info): Likewise.
7746 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
7747 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
7748 (avr_normalize_condition): Likewise.
7749 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
7750 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
7751 (limit_reload_class, double_reg_to_memory): Likewise.
7752 (print_operand_address, emit_1600_code_shift): Likewise.
7753 (gen_tst_reg, gen_compare_reg): Likewise.
7754 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
7755 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
7757 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
7759 * c-parse.in (methoddef): Call fatal_error instead of fatal.
7760 * objc/objc-act.c (build_ivar_chain): Likewise.
7761 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
7763 * graph.c (clean_graph_dump_file): Likewise.
7764 * profile.c (init_branch_prob): Likewise.
7765 * objc/objc-act.c (objc_init): Likewise.
7767 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
7768 * config/avr/avr.c (avr_override_options): Likewise.
7769 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
7770 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
7771 * config/h8300/h8300.c (h8300_init_once): Likewise.
7772 * config/mips/mips.c (override_options): Likewise.
7773 * config/i386/i386.c (override_options): Likewise, rework.
7774 * config/m68k/m68k.c (override_options): Likewise.
7776 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
7778 * config/mips/mips.c (print_operand): Likewise.
7779 * hash.c (hash_allocate): Don't check for failure returns from
7780 obstack functions that can't fail.
7781 (hash_table_init_n, hash_table_init): Likewise; also now return void.
7782 * hash.h (hash_table_init_n, hash_table_init): Now return void.
7783 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
7784 (get_object_reference): Likewise.
7786 2001-02-04 Nick Clifton <nickc@redhat.com>
7788 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
7789 StrongARM1110, 10TDMI, and 1020T.
7791 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
7793 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
7795 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
7797 * config/sh/sh.md (movdf load split): Pass register number to
7798 FP_OR_XD_REGISTER_P.
7800 2001-02-04 Mark Mitchell <mark@codesourcery.com>
7802 * cppinit.c (BC): New macro.
7803 (builtin_array): Add __GXX_WEAK__.
7804 * cpplib.h (builtin_type): Add BT_WEAK.
7805 * cppmacro.c (builtin_macro): Handle BT_WEAK.
7806 * defaults.h (SUPPORTS_ONE_ONLY): Define.
7807 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
7809 2001-02-03 Jakub Jelinek <jakub@redhat.com>
7811 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
7813 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7815 * cpphash.h: Rename _ALIGN POOL_ALIGN.
7816 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7818 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
7820 * cpphash.h: Rename ALIGN _ALIGN.
7821 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
7823 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
7825 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
7826 compilation environment.
7827 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
7828 control over location of cygwin includes and libs.
7830 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7832 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
7834 2001-02-02 lars brinkhoff <lars@nocrew.org>
7836 * md.texi (Standard Names): remove reference to spur.md.
7838 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
7840 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
7841 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
7842 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
7843 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
7844 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
7846 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7848 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
7849 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
7850 number before reload.
7851 (c4x_adjust_cost): Return zero before reload.
7852 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
7853 split before reload.
7855 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
7857 * c4x.c (c4x_hard_regno_rename_ok): New.
7858 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
7859 * c4x.h (HARD_REGNO_RENAME_OK): Define.
7861 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7863 * diagnostic.h: Add missing "extern" in all declarations.
7865 2001-02-02 Alex Samuel <samuel@codesourcery.com>
7867 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
7868 as for gcc_gxx_include_dir.
7870 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
7872 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
7874 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7876 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
7877 label before alignment to be used as the braf base address.
7878 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
7880 (casesi_jump_2): Require at least TARGET_SH2.
7882 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
7883 truncation to 32-bit doubles on -m3e and -m4-single-only.
7885 2001-02-02 Mark Mitchell <mark@codesourcery.com>
7887 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
7888 the default when building a shared object.
7889 (init_spec): Use it.
7890 * testsuite/lib/g++.exp: Include the directory where libgcc
7891 is located to the LD_LIBRARY_PATH list.
7892 * invoke.texi (-shared-libgcc): Document the cases in which
7893 GCC defaults to using the shared libgcc.
7895 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
7897 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
7898 unsigned is wide enough.
7900 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
7901 (si_to_float): Likewise.
7902 (float_to_si, float_to_usi): Use BITS_PER_SI.
7904 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7906 * dwarf2out.c: Added explanation of abbreviations.
7907 (def_cfa_1): Added comments listing DWARF2 instructions.
7908 (cfa_temp_reg): Removed in favor of cfa_temp.
7909 (cfa_temp_value): Removed in favor of cfa_temp.
7910 (cfa_temp): New global variable.
7911 (dwarf2out_frame_debug_expr): Added extensive introductory
7912 comments explaining the function's transformations. Revised to
7913 use cfa_temp. Added some rtx checking. Generalize IOR case.
7914 (dwarf2out_frame_debug): Revised to use cfa_temp.
7915 (output_aranges): Cast as "unsigned" to avoid warning.
7916 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
7917 explain which instructions must be marked.
7919 2001-02-01 Richard Henderson <rth@redhat.com>
7921 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
7924 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
7926 * config/sh/crt1.asm (main_k): Modified so that start calls
7927 ___setup_argv_and_call_main.
7929 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
7931 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
7932 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
7933 and AVOID_LPASTE is cleared on meeting an unescaped newline.
7934 * cppmacro.c (builtin_macro): Set builtin flags here.
7935 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
7936 (replace_args): Clarify intent.
7937 (cpp_get_token): Macro expansion tokens get the saved flags.
7939 * cppmain.c (scan_buffer): Remove now-redundant print.printed
7942 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
7944 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
7947 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
7949 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
7950 returns Pmode pseudo, but we need ptr_mode.
7951 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
7952 Remove bogus conversions; use HOST_WIDE_INT for size.
7953 Don't use TARGET if wrong mode.
7955 * config/i386/i386.c (ix86_compute_frame_size): Allow
7956 stack_alignment_needed to be non-default even if size is zero.
7958 2001-01-31 Alan Modra <alan@linuxcare.com.au>
7960 * pa.c (hppa_init_pic_save): New function.
7961 * pa.h (hppa_init_pic_save): Declare.
7962 * pa.md (call, call_value, sibcall, sibcall_value): Use
7963 the above instead of duplicated code.
7965 * pa.c (hppa_encode_label): Correct size of alloca buffer
7966 so we don't overrun it. Correct leading `*' case.
7967 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
7968 need to handle `*@'.
7969 (FUNCTION_NAME_P): Likewise.
7971 2001-01-31 Richard Henderson <rth@redhat.com>
7973 * config.gcc (alpha-osf5): Use float-i128.h.
7975 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
7976 * config/float-i32.h: Likewise.
7977 * config/float-i64.h: Likewise.
7978 * config/float-sh.h: Likewise.
7979 * config/float-sparc.h: Likewise.
7981 2001-01-31 DJ Delorie <dj@redhat.com>
7983 * expmed.c (extract_bit_field): allow non-integral modes if we
7984 want to extract a whole register from itself.
7986 2001-01-31 Jakub Jelinek <jakub@redhat.com>
7988 * c-typeck.c (set_init_index): If first is equal to last, assume as
7989 if it was not a range at all.
7991 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
7993 * config/fp-bit.c: Include tm.h.
7994 (float_to_si): Don't assume SImode is 32-bits wide.
7995 (float_to_usi): Likewise.
7997 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
7999 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
8001 (typename): Call pending_xref_error after parsing typed_typespecs.
8002 * c-decl.c (lookup_tag): Give error immediately rather than
8003 leaving it pending if the tag of the wrong type is in the same
8005 (xref_tag): Don't pedwarn for forward declarations of enum types
8007 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
8010 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8012 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
8014 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8016 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
8017 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
8019 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
8021 * cpphash.h (struct cpp_reader): New saved_flags.
8022 * cppmacro.c (cpp_get_token): Use saved_flags to remember
8023 to avoid a paste after a pasted token.
8025 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
8027 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
8028 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
8029 Wtype_MIN instead of LONG_MIN.
8031 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8033 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
8035 * fixinc/fixincl.x: Regenerated.
8036 * fixinc/inclhack.def (irix_limits_const): New definition to
8037 convert "const" to "__const" in limits.h.
8039 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
8041 * fixinc/genfixes (AG): Fix "autogen4" thinko.
8043 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8045 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
8046 when register dies in the insn.
8048 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8050 * diagnostic.c (fatal): Fix word wrap.
8052 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
8054 * combine.c (try_combine): Fix SUBREG setting for
8055 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
8057 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8059 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
8062 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
8064 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
8066 * toplev.c (decode_W_option): Update warn_larger_than
8067 unconditionally for each processed switch.
8069 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
8071 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
8073 (hppa_expand_prologue): Delete code to save pic offset table register
8074 in the function prologue.
8075 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
8076 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
8077 table register at the beginning of the function after the prologue.
8079 2001-01-29 lars brinkhoff <lars@nocrew.org>
8081 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
8083 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
8084 Jeff Law <law@redhat.com>
8086 * pa.md (return): Revise comment for trivial return.
8087 (return_internal): Non-trivial return pattern for non-PIC code.
8088 (return_internal_pic): Non-trivial return pattern for PIC code.
8089 It uses the PIC register to ensure it is restored after
8091 (epilogue): Generate appropriate return for PIC and non-PIC code.
8093 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
8095 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
8097 2001-01-29 DJ Delorie <dj@redhat.com>
8099 * combine.c (if_then_else_cond): Pass the correct mode to
8100 operand_subword() for constants.
8102 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
8104 * config/i386/cygwin.h: Add w32api to include search. Search different
8105 directories in a cross-build environment.
8107 2001-11-29 Tim Josling <tej@melbpc.org.au>
8109 * tree.h (TYPE_STUB_DECL): Add documentation.
8111 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
8113 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
8114 (sdbout_field_types): Likwise. Fix use of host_integerp.
8116 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
8118 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
8121 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
8123 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
8124 to use flag_gnu_linker.
8126 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
8128 * cpplib.c (T_BAD_DIRECTIVE): Remove.
8129 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
8131 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
8133 * tree.c, tree.h (build_parse_node): Remove; was identical to
8135 * c-lang.c (start_cdtor), objc/objc-act.c
8136 (build_module_descriptor): Use build_nt instead of
8139 2001-01-29 Jakub Jelinek <jakub@redhat.com>
8141 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
8142 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
8143 not have any upper bits set.
8145 2001-01-29 Phil Edwards <pme@sources.redhat.com>
8147 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
8149 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8151 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
8153 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
8155 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
8156 (integer_minus_one_node): Define.
8158 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
8160 * Makefile.in (bootstrap2-lean): Fix typo.
8162 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
8164 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
8165 : Don't set fe_value.
8166 * cpplib.h (AVOID_LPASTE): New flag.
8167 (struct cpp_hashnode): Remove fe_value.
8168 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
8169 * cppmacro.c (builtin_macro): Don't set flags here.
8170 (replace_args): Set AVOID_LPASTE flag on first token of an
8171 argument, and the token following it.
8172 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
8173 macro expansion, and on the token following it. Do it for
8175 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
8177 2001-01-27 Richard Henderson <rth@redhat.com>
8179 * config/alpha/t-ieee: Remove multilibbing.
8180 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
8182 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8184 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
8186 * Makefile.in: Remove all dependencies on defaults.h.
8187 * builtins.c: Don't include defaults.h.
8188 * c-common.c: Likewise.
8189 * c-decl.c: Likewise.
8190 * c-pragma.c: Likewise.
8191 * c-typeck.c: Likewise.
8192 * combine.c: Likewise.
8194 * frame-ia64.c: Likewise.
8195 * cppexp.c: Likewise.
8196 * crtstuff.c: Likewise.
8197 * dbxout.c: Likewise.
8198 * dwarf2out.c: Likewise.
8199 * dwarfout.c: Likewise.
8200 * emit-rtl.c: Likewise.
8201 * except.c: Likewise.
8203 * final.c: Likewise.
8204 * frame-dwarf2.c: Likewise.
8205 * libgcc2.c: Likewise.
8206 * optabs.c: Likewise.
8207 * profile.c: Likewise.
8208 * sdbout.c: Likewise.
8209 * toplev.c: Likewise.
8210 * tradcif.y: Likewise.
8212 * varasm.c: Likewise.
8214 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8216 * builtins.c (expand_builtin_fputs): Use size_one_node when
8217 transforming into fwrite.
8219 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
8221 * extend.texi (Attribute Syntax): New section.
8223 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8225 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
8226 they didn't need fixing.
8228 2001-01-27 Janis Johnson <janis@us.ibm.com>
8230 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
8232 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
8233 to remove macro definitions that are duplicated from elfos.h.
8235 2001-01-27 Richard Henderson <rth@redhat.com>
8237 * config/i386/sco5gas.h: Move ...
8238 * config/usegas.h: ... here.
8239 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
8241 2001-01-27 Jakub Jelinek <jakub@redhat.com>
8243 * c-typeck.c (struct constructor_stack): Add range_stack member.
8244 (really_start_incremental_init): Clear it.
8245 (push_init_level): Save constructor_range_stack and clear it if
8246 pushing explicit braces.
8247 (pop_init_level): abort if constructor_range_stack is non-zero at
8248 explicit closing brace. Restore saved constructor_range_stack if
8251 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8253 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
8254 into register was forced into memory.
8256 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
8258 * Makefile.in: Remove uses of + before $(MAKE).
8260 2001-01-26 Richard Henderson <rth@redhat.com>
8262 * stmt.c (cost_table): Remove.
8263 (COST_TABLE, cost_table_initialized): New.
8264 (estimate_case_costs): Use the later instead of the former.
8265 (balance_case_nodes): Likewise.
8267 2001-01-26 Richard Henderson <rth@redhat.com>
8269 * alias.c (objects_must_conflict_p): Read-only slots may not
8270 conflict despite having the same type.
8272 2001-01-27 Michael Hayes <mhayes@redhat.com>
8274 * loop.c (loop_giv_reduce_benefit): Copy mode size into
8276 (check_ext_dependant_givs): Initialise u_start_val and
8278 (load_mems): Make last_max_reg unsigned.
8279 (try_swap_copy_prop): Use INSN_P and initialise set.
8281 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
8283 * README.AVR : Removed.
8285 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
8287 * pa-64.h (text_section): Remove declaration.
8289 * pa.md (return_internal): Remove mode on PIC register use.
8291 2001-01-25 lars brinkhoff <lars@nocrew.org>
8293 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
8294 ASM_CLOSE_PAREN): fix typos.
8296 2001-01-25 Mark Mitchell <mark@codesourcery.com>
8298 * acconfig.h: Define `const' to the empty string if neither
8299 __STDC__ nor __cplusplus is defined.
8300 * config.in: Regenerated.
8302 2001-01-25 David Edelsohn <edelsohn@gnu.org>
8304 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
8305 * collect2.c (main): Delete importf. Add ".obj" file extension.
8306 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
8307 (aix_std_libs): Add additional AIX libraries to skip.
8308 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
8309 * config/rs6000/aix51.h: New file.
8311 2001-01-25 Michael Hayes <mhayes@redhat.com>
8313 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
8314 (loop_insn_emit_before): No longer static.
8315 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
8316 (loop_givs_rescan, load_mems): Likewise.
8317 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
8318 (maybe_eliminate_biv_1):
8319 (move_movables): Replace emit_call_insn_before with
8320 loop_call_insn_hoist.
8321 * loop.h (loop_insn_emit_before): Add.
8322 * unroll.c (copy_loop_body): Replace emit_insn_before with
8323 loop_insn_emit_before.
8325 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
8327 * diagnostic.c (fatal): Request preprocessed source.
8329 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
8331 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
8332 olddecl has argument types and newdecl has none, use the argument
8335 2001-01-24 Ulrich Drepper <drepper@redhat.com>
8337 * dwarf2out.c (prefix_of): New function. Determine longest common
8338 prefix of the two arguments. The units are whole path components.
8339 (output_file_names): When adding a new directory find the one entry
8340 with the longest common prefix already in the list. Artificially
8341 generate entry if there is none for this prefix.
8342 Fix test to check whether the zeroth directory entry is used.
8344 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
8346 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
8347 Changed all callers. Take it into account when deciding if a
8348 previously loaded value matches.
8350 2001-01-24 Richard Henderson <rth@redhat.com>
8352 * reload.c (find_reloads_subreg_address): Fail the substitution
8353 if the resulting address is insufficiently aligned.
8355 2001-01-24 DJ Delorie <dj@redhat.com>
8357 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
8358 check the original operand's mode also.
8359 * simplify-rtx.c (simplify_ternary_operation): Ditto.
8361 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8363 * c-parse.in (cast_expr): Move compound literals from here ...
8364 (primary): ... to here. Use standard terminology "compound
8365 literal" instead of "constructor expression".
8367 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
8369 * gcc.1, cpp.1: Regenerate.
8371 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
8373 * calls.c (emit_library_call_value_1): Memory slot for
8374 pass-by-reference argument should have the mode of the argument,
8375 not of the pointer to it.
8377 2001-01-24 Tom Tromey <tromey@redhat.com>
8379 * gcc.texi (G++ and GCC): Mention gcj manual.
8380 (Standards): Link to section of manual mentioning gcj/Java
8383 2001-01-24 Jakub Jelinek <jakub@redhat.com>
8385 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
8386 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
8387 * tradcpp.c (main): Add -imacros or -include'd dependencies
8389 * cpp.texi (-M, -MM): Document -M -include behaviour.
8391 2001-01-24 Roger Collins <roger@ProProject.com>
8393 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
8395 2001-01-24 Will Cohen <wcohen@redhat.com>
8397 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
8398 whether registers are 32 bits or 64 bits in size.
8400 2001-01-24 Ben Elliston <bje@redhat.com>
8402 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
8404 2001-01-24 Richard Henderson <rth@redhat.com>
8406 * config/alpha/alpha.md (builtin_longjmp_internal): New.
8407 (builtin_longjmp): Use it instead of emit_indirect_jump.
8409 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
8411 * bb-reorder.c (make_reorder_chain_1): Handle case where
8412 jump edge goes to the same block as the fallthru edge.
8414 2001-01-23 Jim Wilson <wilson@redhat.com>
8416 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
8417 * frame.h (__ia64_personality_v1): Add prototype.
8418 * libgcc2.c (ia64_throw_helper): Change personality declaration to
8419 prototype form. Add void * cast to first argument to personality
8421 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
8422 (asctoe113): Likewise.
8423 * config/ia64/frame-ia64.c: Include eh-common.h.
8424 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
8426 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
8428 (itanium_split_issue): Add prototype.
8429 (gen_nop_type): Ifdef out.
8430 (find_best_packet): Initialize best_packet.
8431 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
8433 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
8434 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
8435 (flushrs): Add explicit stop bit at end.
8436 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
8439 2001-01-23 Chris Demetriou <cgd@broadcom.com>
8441 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
8443 * libgcc2.c (__terminate_func): Make variable static.
8444 (__terminate_set_func): New function to set __terminate_func.
8445 * libgcc2.h (__terminate_func_ptr): New typedef.
8446 (__terminate_set_func): New function.
8448 2001-01-23 Richard Henderson <rth@redhat.com>
8450 * flow.c (init_propagate_block_info): Don't consider unchanging
8451 memories for dead frame store elimination.
8453 2001-01-23 Richard Henderson <rth@redhat.com>
8455 * varasm.c (UNIQUE_SECTION): Move default implementation ...
8456 * defaults.h: ... here.
8458 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
8460 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
8462 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
8464 * c-lex.c (lex_charconst): Fix typo: s/p/str.
8466 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8468 * rs6000.h (rs6000_return_addr): Move prototype from here...
8469 * rs6000-protos.h (rs6000_return_addr): ...to here.
8470 (rs6000_init_expanders): Delete prototype.
8472 2001-01-23 Nick Clifton <nickc@redhat.com>
8474 * invoke.texi: Replace , with \, inside @gccoptlist macros.
8475 (Spec Files): Document %B and %j and %. and %v3 and %M and
8476 %{S*&T} spec switches.
8478 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8480 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
8482 2001-01-23 Chris Demetriou <cgd@sibyte.com>
8483 Neil Booth <neil@daikokuya.demon.co.uk>
8485 * cpperror.c: Merge handlers of PEDWARN and WARNING.
8486 Have -Werror make pedantic warnings errors, like the
8489 2001-01-23 Phil Edwards <pme@sources.redhat.com>
8491 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
8493 2001-01-23 Jakub Jelinek <jakub@redhat.com>
8495 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
8496 * integrate.c (expand_inline_function): Initialize them.
8497 (subst_constants): If changing COMPARE so that both its arguments
8498 will be VOIDmode and the comparison mode will be lost, note
8499 compare_mode. Use the recorded compare_mode to optimize
8502 2001-01-23 Jason Merrill <jason@redhat.com>
8504 * dwarf2out.c (new_die): Use xcalloc.
8505 (output_die): Abort rather than emit a local reference to offset 0.
8507 2001-01-17 Andrew Haley <aph@redhat.com>
8509 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
8510 of a saved register; return NULL instead.
8511 (copy_reg): Take a pointer to a source register rather than a
8513 (next_stack_level): Remember the address in the stack frame of all
8515 Use the saved register pointer array as the source of the CFA.
8516 (throw_helper): Rewrite. Unwind once rather than twice and keep
8517 track of saved registers as we go.
8519 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8521 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
8522 * c4x.c (c4x_legitimize_reload_address): Remove.
8523 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
8524 reload address for ldp(k) insn.
8526 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
8528 * pa.md (return_internal): Add a USE of the PIC register to ensure
8529 it is restored after each call.
8530 (return expander): Corresponding changes.
8532 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
8534 * rs6000.h (INIT_EXPANDERS): Delete.
8535 (RETURN_ADDR_RTX): Call rs6000_return_addr().
8536 * rs6000.c (rs6000_override_options): Call *_machine_status from
8538 (rs6000_init_expanders): ...instead of here. Delete.
8539 (rs6000_mark_machine_status): New function.
8540 (rs6000_init_machine_status): Use xcalloc.
8541 (rs6000_return_addr): Generate RTX for the return address.
8542 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
8543 (rs6000_stack_info): Use it.
8545 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
8547 * gthr-win32.h: Include errno.h to get a declaration for
8548 EINVAL and _mingw.h if the target is mingw32.
8550 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
8552 * cpp.texi: Correct typos.
8554 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8556 * explow.c (probe_stack_range): Ensure value passed to
8557 stack_check_libfunc is ptr_mode, not Pmode.
8559 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
8561 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
8562 case, don't use operand_subword to calculate a SUBREG that is
8565 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
8567 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8569 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
8570 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
8571 valid. If not replace it by equivalent insns.
8573 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
8575 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
8576 contains SYMBOL_REF, LABEL_REF and CONST_INT.
8577 (c4x_U_constraint, symbolic_address_operand): Likewise.
8578 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
8580 (c4x_r11_set_p, c4x_check_laj_p): New functions.
8581 * c4x-protos.h (c4x_check_laj_p): Add prototype.
8582 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
8583 anulling slot because of silicon bug.
8584 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
8586 2001-01-22 Alan Modra <alan@linuxcare.com.au>
8588 * cppexp.c (parse_charconst): Change `mask' type to agree
8591 2001-01-21 Richard Henderson <rth@redhat.com>
8593 * config/i386/i386.c (ix86_asm_file_end): Disable putting
8594 pic_label_name in a linkonce section.
8596 2001-01-17 Philipp Thomas <pthomas@suse.de>
8598 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
8600 * configure: Regenerate.
8602 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
8604 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
8605 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
8607 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
8609 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
8610 If REVERSE nonzero then condition code in X must be reversed.
8611 (encode_section_info): Optimise if/else.
8612 (avr_function_value): Fix formatting.
8614 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
8615 (difficult_branch): Likewise.
8616 (rvbranch): Likewise.
8617 (difficult_rvbranch): Likewise.
8619 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
8621 * config/avr/libgcc.S: Fix comment.
8623 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8625 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
8627 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8629 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
8631 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
8633 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
8634 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
8635 * configure, config.in: Regenerate.
8636 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
8637 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
8638 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
8639 (doprint.o): New rule.
8641 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
8643 * c-typeck.c (digest_init): Handle boolean types as scalars.
8645 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8647 * stmt.c (expand_return): Don't return anything if size is zero.
8648 Delete redundant assignment to BYTES.
8649 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
8651 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
8653 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
8654 the same as the default library function names.
8655 * config/avr/avr.md: Document special characters after '%'.
8656 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
8657 knowing which of the call-used registers are really clobbered.
8658 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
8659 New. Both quotient and remainder from one libgcc.S call.
8660 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
8661 clobber as few registers as possible.
8662 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
8664 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
8666 * cppmacro.c (funlike_invocation_p): Don't move back up to the
8667 context of the top of the stack.
8669 2001-01-20 Jakub Jelinek <jakub@redhat.com>
8671 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
8672 (fixup_var_refs_insns): ...here.
8674 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
8676 * function.c (fixup_var_refs_insns): Break up into
8677 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
8678 [loop over entire insn list], and fixup_var_refs_insns_with_hash
8679 [loop over hash table entries].
8680 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
8681 fixup_var_refs_insns_with_hash, to match above changes.
8683 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
8685 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
8686 (libgcc.a): Likewise.
8687 (stmp-multilib): Likewise.
8688 (STAGE2_FLAGS_TO_PASS): Likewise.
8690 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
8692 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
8693 temporary if no_new_pseudos.
8695 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
8697 * cppinternals.texi: Update.
8699 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
8701 * arm.c (arm_init_builtins): Re-enable builtins.
8703 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8705 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
8706 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
8707 element to be null, and always expect an EXPR_LIST.
8708 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
8709 * sched-deps.c (sched_analyze_1): Likewise.
8710 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8712 * regclass.c (max_set_parallel): New variable.
8713 (reg_scan): Take it into account in computation of max_parallel.
8714 (reg_scan_mark_refs, case SET): Compute it.
8716 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
8718 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
8719 * function.c (assign_parms): Use INTVAL for a CONST_INT.
8721 2001-01-19 Jason Merrill <jason@redhat.com>
8723 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
8724 for the abstract instance of an inline function.
8726 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
8727 J"orn Rennecke <amylaar@redhat.com>
8729 * reload1.c (move2add_note_store): Treat all registers directly or
8730 indirectly derived from a base register as members of the same set
8732 (reload_cse_move2add): Adjust accordingly. Take mode and offset
8733 of base register into account.
8735 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
8737 * alias.c (find_base_value): Recognize TRUNCATE.
8738 (record_set): In PLUS case, invalidate if other summand is also a
8741 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8743 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
8744 entry to be EXPR_LIST.
8745 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
8746 be an EXPR_LIST (but not null, which other code doesn't allow).
8747 (note_stores): Properly handle PARALLEL in SET.
8748 Recursively call for top-level PARALLEL.
8749 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
8750 * sched-rgn.c (check_live_1, update_live_1): Likewise.
8752 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
8754 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
8756 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
8757 not pfile->skipping (== 0).
8759 2001-01-17 Nick Clifton <nickc@redhat.com>
8761 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
8764 2001-01-17 Jim Wilson <wilson@redhat.com>
8766 * invoke.texi (IA-64 options): Improve.
8768 2001-01-17 Tom Tromey <tromey@redhat.com>
8770 * invoke.texi (Optimize Options): Use `{}' to around @samp
8773 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
8775 * invoke.texi (-fno-guess-branch-probability): New option.
8777 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8779 * combine.c (try_combine): Don't set i3_subst_into_i2 for
8780 case of making new double-word constant.
8781 Revert last change: instead just test i3_subst_into_i2.
8783 2001-01-17 Jakub Jelinek <jakub@redhat.com>
8785 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
8786 Use q constraints instead of r.
8788 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
8790 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
8791 (machine_function): Define.
8792 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
8793 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
8794 pa_free_machine_status): New functions.
8795 (override_options): Set {init,mark,free}_machine_status to above.
8796 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8797 PIC_OFFSET_TABLE_REGNUM_SAVED.
8798 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
8799 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
8800 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
8801 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
8802 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
8804 2001-01-15 DJ Delorie <dj@redhat.com>
8806 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
8810 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
8812 * flow.c (propagate_on_insn): Make trying to delete a prologue
8813 or epilogue insn an ICE, not a warning. Allow doing this if
8814 the current function returns with stack pointer depressed.
8816 * combine.c (try_combine): If i3_subst_into_i2, properly check for
8817 I3 having more than one SET.
8819 2001-01-16 Jim Wilson <wilson@redhat.com>
8821 * invoke.texi: Document IA-64 options.
8823 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
8824 (fixup_errata): Delete TARGET_A_STEP use.
8825 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
8826 (TARGET_SWITCHES): Delete -ma-step option.
8827 * config/ia64/ia64.md (all FP patterns): Delete %B0.
8828 (movqicc_astep, movqi_internal_astep, movhicc_astep,
8829 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
8830 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
8831 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
8832 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
8834 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
8835 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
8836 cmovsi_internal): Delete ! TARGET_A_STEP check.
8838 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
8840 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
8841 possibility to report bugs via postal mail. Change a URL and
8842 merge in a nearly duplicate statement...
8843 (Bug Reporting): ...from here.
8844 (Service): Refer to the Bug Reporting section instead of
8846 (Contributing): Remove trivial explanations concerning snapshots.
8848 2001-01-16 Alan Modra <alan@linuxcare.com.au>
8850 * cppmain.c (general_init): Don't use ANSI prototype.
8852 2001-01-16 Tom Tromey <tromey@redhat.com>
8854 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
8856 2001-01-16 Richard Henderson <rth@redhat.com>
8858 * config/i386/i386.h: Fix comment typo.
8859 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
8860 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
8862 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8864 * gcc.c: Revert previous -fsyntax-only-related change; move
8867 2001-01-16 Jakub Jelinek <jakub@redhat.com>
8869 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
8870 inmode after checking GET_CODE (op).
8872 2001-01-16 Richard Henderson <rth@redhat.com>
8874 * flow.c (struct propagate_block_info): Add mem_set_list_len.
8875 (MAX_MEM_SET_LIST_LEN): New.
8876 (propagate_one_insn): Update mem_set_list_len.
8877 (invalidate_mems_from_autoinc): Likewise.
8878 (invalidate_mems_from_set): Likewise.
8879 (mark_used_regs): Likewise.
8880 (init_propagate_block_info): Likewise. Stop collecting memories
8881 when we reach MAX_MEM_SET_LIST_LEN.
8882 (mark_set_1): Likewise.
8884 2001-01-16 Richard Henderson <rth@redhat.com>
8886 * unroll.c (precondition_loop_p): Fail if no iteration
8889 2001-01-16 Phil Edwards <pme@sources.redhat.com>
8891 * gcc.c: When -fsyntax-only is given, do not complain about
8894 2001-01-15 Richard Henderson <rth@redhat.com>
8896 * config/i386/i386.c (asm_output_function_prefix): Remove.
8897 (ix86_asm_file_end): New.
8898 (load_pic_register): Generate pic_label_name into a
8899 staticly allocated buffer.
8900 * config/i386/i386-protos.h: Update.
8901 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
8902 (ASM_FILE_END): New.
8903 * config/i386/i386afe.h: New file.
8904 * config.gcc (i?86-*-elf) [tm_file]: Use it.
8905 (i?86-*-{freebsd,linux*,moss*}): Likewise.
8906 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
8907 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
8908 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
8909 * config/i386/sco5.h (ASM_FILE_END): Likewise.
8910 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
8912 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
8914 * Makefile.in (install-man): Remove explicit dependency on
8917 * configure.in, configure: Revert previous patch requiring perl
8920 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
8922 * toplev.c (flag_guess_branch_prob): New.
8923 (f_options): Add guess-branch-probability option.
8924 (rest_of_decl_compilation): Only estimate branch probability if
8926 (main): set flag_guess_branch_prob.
8928 * flags.h (flag_guess_branch_prob): New.
8930 2001-01-15 DJ Delorie <dj@redhat.com>
8932 * gcc.texi (Makefile): Add documentation for Makefile targets.
8934 2001-01-15 Philip Blundell <philb@gnu.org>
8936 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
8938 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
8939 (is_pic): Delete declaration.
8940 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
8941 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
8942 * config/arm/arm.md (builtin_setjmp_receiver): New.
8944 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8946 * arm.c (use_return_insn): Don't try to determine the function type
8947 until after reload has completed.
8948 (arm_output_epilogue): Don't adjust the sp value recovered from the
8950 (emit_multi_reg_push): Don't record dwarf information for the pc.
8951 * arm.md (eh_epilogue): The function type may have changed, so it
8952 needs to be recalculated.
8953 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
8954 unwind tables on arm/netbsd.
8956 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8958 * arm.md (cbranchsi4): Correct calculation of branch ranges.
8959 (negated_cbranchsi4): Likewise.
8961 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
8963 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
8964 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8965 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
8966 pass -mapcs-* options to assembler.
8967 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
8968 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
8969 (ASM_SPEC): Call subtarget_extra_asm_spec.
8971 2001-01-15 Andreas Jaeger <aj@suse.de>
8973 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
8975 (ix86_expand_builtin): Likewise.
8977 * gencodes.c (output_predicate_decls): Make i size_t to avoid
8978 warning about comparison between signed and unsigned.
8980 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
8982 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
8984 2001-01-14 Ralf Baechle <ralf@gnu.org>
8986 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
8987 SUBTARGET_CPP_SPEC apropriatly.
8989 2001-01-12 Mark Mitchell <mark@codesourcery.com>
8991 * varasm.c (make_decl_rtl): Fix typo in last change.
8993 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
8995 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
8996 linker supports the init_priority C++ attribute.
8997 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
8998 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
8999 linker does not support init_priority C++ attribute.
9001 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
9003 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
9005 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9007 * c-parse.in (finish_parse): Add comment about cpp_destroy.
9008 * cp/lex.c (finish_parse): Similarly.
9009 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
9010 Return the number of errors encountered.
9011 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
9012 * cppmain.c (main): Don't call cpp_destroy.
9014 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
9016 * configure.in: Require at least perl 5.6.0 to regenerate
9018 * configure: Regenerate.
9020 2001-01-14 Richard Henderson <rth@redhat.com>
9022 * genrecog.c (DT_veclen_ge): New.
9023 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
9024 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
9025 (nodes_identical_1): Handle DT_veclen_ge.
9026 (write_cond, debug_decision_2): Likewise.
9028 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9030 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
9032 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
9034 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
9036 * cppmain.c (do_preprocessing): New function; most of the old
9038 (main): Call it to do most of the work.
9039 (cb): Move from global scope to set_callbacks ().
9040 (setup_callbacks): Get the callback pointer.
9041 (general_init, printer_init): Clean up code and comments.
9043 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
9045 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
9048 2001-01-14 Kazu Hirata <kazu@hxi.com>
9050 * config/h8300/h8300.c (get_shift_alg): Update comments.
9052 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9054 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
9055 (alloc_page, ggc_alloc): Add casts to remove warnings.
9057 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
9059 * combine.c (simplify_comparison): Don't change `code' when
9060 can't reverse comparison.
9062 2001-01-14 Richard Henderson <rth@redhat.com>
9064 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
9065 update all call sites. Return true for all non-label constants.
9067 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
9069 * i386.c (ix86_expand_compare): Add bypass_test and second_test
9071 (ix86_expand_branch): Update.
9072 (ix86_expand_setcc): Update to handle multiple test conditions.
9073 (expand_int_movcc): Likewise.
9074 (expand_fp_movcc): Likewise.
9075 * i386-protos.h (ix86_expand_compare): New.
9076 * i386.md (andqi_?_slp, orqi_?_slp): New.
9077 (conditional trap expander): Update call to ix86_expand_compare.
9079 2001-01-14 Richard Henderson <rth@redhat.com>
9081 * config/vax/vax.md: Use nonimmediate_operand instead of
9082 general_operand in destinations.
9084 * config/vax/vax.md (indirect_jump): Use register_operand.
9086 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
9087 * config/vax/vax.md (call_pop): Turn into an expander.
9088 (call_value_pop): Likewise.
9089 (call, call_value): New.
9091 2001-01-14 Andreas Jaeger <aj@suse.de>
9093 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
9095 (ix86_fp_compare_mode): Add unused attribute.
9096 (ix86_expand_fp_movcc): Remove unused variable.
9097 (ix86_expand_builtin): Make fcode unsigned.
9099 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
9100 (expand_expr): Add cast to avoid signed warning.
9101 (store_field): Likewise.
9102 (store_constructor_field): Likewise.
9103 (store_constructor): Likewise.
9104 (store_expr): Likewise.
9105 (clear_storage): Likewise.
9106 (emit_group_store): Likewise.
9107 (emit_group_load): Likewise.
9109 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9111 * c-common.c: Move format checking code to ...
9112 * c-format.c: ... here. New file. Reorder some functions and
9114 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
9116 * c-common.h (decl_handle_format_attribute,
9117 decl_handle_format_arg_attribute): Declare.
9118 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
9119 (c-common.o): Adjust dependencies.
9120 (c-format.o): New list of dependencies.
9122 2001-01-13 Jakub Jelinek <jakub@redhat.com>
9124 * unroll.c (loop_iterations): If we cannot prove iteration variable
9125 is set once in each iteration, punt.
9127 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
9129 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
9130 (*strlenhi): Remove clobber (which was buggy) of output address.
9132 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9134 * Makefile.in (generated-manpages): Add gcc.1
9135 ($(srcdir)/gcc.1): New target.
9136 (maintainer-clean): Delete $(srcdir)/gcc.1.
9137 * gcc.texi: Add macros @gccoptlist and @gol.
9138 * invoke.texi: Include option summary in manpage. Mark up option
9139 summary with @gccoptlist and @gol. Use @r in one place where
9141 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
9142 * gcc.1: Generate from invoke.texi.
9144 2001-01-13 Richard Henderson <rth@redhat.com>
9146 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
9147 (struct page_entry): Add group member.
9148 (struct page_group): New.
9149 (struct globals): Add page_groups member.
9150 (alloc_anon): Only define for using mmap; remove valloc call.
9151 (page_group_index): New.
9152 (set_page_group_in_use): New.
9153 (clear_page_group_in_use): New.
9154 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
9155 (free_page, release_pages): Likewise.
9156 * configure.in (with-gc): Default to ggc-page always.
9158 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9160 * reload1.c (replace_pseudos_in_call_usage): Use
9161 reg_equiv_constant and reg_equiv_address, and don't try
9162 regno_reg_rtx first.
9164 2001-01-13 Richard Henderson <rth@redhat.com>
9166 * ggc-page.c (alloc_page): Round up allocation size to one page.
9167 Set e->order on extra pages.
9169 2001-01-13 Richard Henderson <rth@redhat.com>
9171 * genrecog.c (nodes_identical): Expand commentary.
9172 (write_switch): Watch out for identical nodes.
9174 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9176 * cppfiles.c (_cpp_fake_include): New function.
9177 * cpphash.h (_cpp_fake_include): New.
9178 * cpplib.c (do_line): Call _cpp_fake_include when entering
9179 header files in preprocessed input.
9180 * cppmain.c (cb_pragma_implementation): Remove handling.
9181 (setup_callbacks): Don't register pragmas.
9183 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9185 * extend.texi: Udate for CPP.
9187 2001-01-13 Andreas Jaeger <aj@suse.de>
9189 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
9191 * regmove.c: Add prototype for replace_in_call_usage.
9193 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9195 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
9196 struct cpp_chunk, struct htab, struct toklist,
9197 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
9198 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
9199 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
9200 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
9201 (struct macro_args): Delete.
9202 * cpphash.h: See above.
9204 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9206 * cppmain.c (struct printer): Remove no_line_dirs.
9208 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
9209 : Use options rather than CPP_OPTION.
9210 (setup_callbacks): Use cb rather than pfile->cb.
9211 (main): No need to check for a buffer. Use cpp_errors.
9212 (printer_init): Don't set no_line_dirs.
9213 (maybe_print_line): Use options not no_line_dirs.
9214 (cb_file_change): Don't call print_line if -P.
9216 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9218 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
9220 * c-parse.in (finish_parse): Use cpp_errors.
9221 (__yylex): Use return value of cpp_pop_buffer.
9222 * cp/lex.c (finish_parse): Use cpp_errors.
9223 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
9225 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
9227 * README.AVR: URLs corrected.
9229 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
9231 * c-decl.c (start_function): Don't warn if old prototype is builtin
9232 that's not in C's namespace.
9233 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
9234 (_bb): Add prototype for ctime.
9235 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
9237 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
9239 * i386.c (ix86_fp_comparison_arithmetics_cost,
9240 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
9241 ix86_fp_comparison_cost): New functions.
9242 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
9243 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
9244 two-branch sequences; make static.
9245 (ix86_use_fcomi_compare): Do decision according to the costs.
9246 (split_fp_branch): New.
9247 * i386.md (compare-and-branch patterns): Use split_fp_branch.
9248 * i386-protos.h (ix86_expand_fp_compare): Remove
9249 (ix86_split_fp_branch): Declare.
9251 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
9252 and ix86_comparison_operator.
9254 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
9257 * i386.c (put_condition_code): Output properly the unordered/ordered
9258 compares in fp case.
9259 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
9261 * tm.texi (REVERSE_CONDITION): Document.
9262 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
9263 in -ffast-math mode.
9264 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
9266 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
9268 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
9270 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
9273 * config/sh/sh.c (mova_p): Fix test for mova_const.
9275 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9277 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
9278 cpp_get_options rather than dereferencing pfile and using
9280 * scan-decls.c (scan_decls): Use return value of
9281 cpp_pop_buffer rather than CPP_BUFFER.
9283 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
9285 * cppinit.c (cpp_handle_option): help_only is now part of the
9286 cpp_options structure.
9287 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
9288 cpp_set_callbacks): New functions.
9289 * cpplib.h (cpp_callbacks): Break out as a named structure.
9290 (cpp_options): Move help_only here from cpp_reader.
9291 (CPP_FATAL_ERRORS): Update to use cpp_errors.
9292 (cpp_errors, cpp_get_options, cpp_get_callbacks,
9293 cpp_set_callbacks): New prototypes.
9294 * cppmain.c (main): Update for help_only.
9296 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
9298 * Makefile.in (info, maintainer-clean, install-info, uninstall):
9299 Also build and remove and install and uninstall c-tree.info and
9301 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
9302 ($(srcdir)/cppinternals.info): New target.
9303 * c-tree.texi: Change file name used when makeinfo used without -o
9304 from ir.info to c-tree.info. Add info directory entry.
9305 * cppinternals.texi: Add info directory entry.
9306 * .cvsignore: Update.
9308 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9310 * c-typeck.c (store_init_value): Don't require constant initializer
9311 elements with -pedantic -std=c99.
9312 (digest_init): Change error about non-constant initializer elements
9314 (constructor_range_end): Remove.
9315 (constructor_incremental, designator_depth,
9316 designator_errorneous): New variables.
9317 (struct constructor_stack): Remove range_end, add incremental.
9318 (struct constructor_range_stack, constructor_range_stack): New.
9319 (struct initializer_stack): Add constructor_range_stack.
9320 (finish_init): Set it.
9321 (start_init): Likewise. require_constant_elements for non-static
9322 trees only if not flag_isoc99.
9323 (really_start_incremental_init): Remove constructor_range_end, add
9324 constructor_incremental.
9325 (pop_init_level): Likewise.
9326 (push_init_level): Likewise. If implicit and the subobject had some
9327 value set already, preinitialize the level with it.
9328 Warn about missing braces only if not pushing due to designators.
9329 (set_designator, push_range_stack): New functions.
9330 (set_init_label): Use them.
9331 (set_init_index): Likewise. Remove constructor_range_end.
9332 Error if designator index is outside of array bounds.
9333 (add_pending_init): Compare values of purpose index trees, not the
9334 trees themselves. Allow overwriting of already initialized element.
9335 Issue a warning if it had side-effects.
9336 (set_nonincremental_init, set_nonincremental_init_from_string): New
9338 (pending_init_member): Rename to...
9339 (find_init_member): ...this function. Call set_nonincremental_init
9340 if necessary. Compare values of purpose index trees, not the trees
9341 themselves. Return the actual value, not just non-zero if something
9343 (output_init_element): Remove checks for duplicates.
9344 If field has zero size, only check the initializer for correctness.
9345 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
9346 if constructor_incremental is zero. Change error about initializers
9347 not computable at load time into pedwarn.
9348 (output_pending_init_elements): Compare bit positions, not
9349 FIELD_DECLs to take into account zero-sized fields.
9350 (process_init_element): Use constructor_range_stack to fill all
9351 ranges in the designator lists from current level up.
9352 * extend.texi: Update documentation for labeled elements.
9354 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
9356 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
9357 to function usage for arguments passed by reference. Optimize
9358 callee-copied arguments.
9359 * regmove.c (replace_in_call_usage): New function.
9360 (fixup_match_1): Call it.
9361 * cse.c (cse_insn): Canonicalize registers in function usage.
9362 * reload1.c (replace_pseudos_in_call_usage): New function.
9365 * Makefile.in: Reverted yesterday's wrong patch. Installed the
9368 2001-01-12 Jakub Jelinek <jakub@redhat.com>
9370 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
9373 2001-01-12 DJ Delorie <dj@redhat.com>
9375 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
9376 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
9379 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9381 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
9382 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
9383 -std options alongside references to -ansi. Update some
9384 documentation for C99.
9385 * cpp.1: Regenerate.
9387 2001-01-12 Andreas Jaeger <aj@suse.de>
9389 * haifa-sched.c (restore_line_notes): Remove argument block B
9391 * sched-ebb.c (schedule_ebb): Change caller.
9392 * sched-rgn.c (schedule_region): Likewise.
9393 * sched-int.h (restore_line_notes): Adjust prototype.
9395 * loop.h: Remove wrong declaration of doloop_condition_get.
9397 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9399 * extend.texi: Move C++-extension-related node from the C section
9400 into the C++ section.
9402 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
9404 * extend.texi: Refer to an array of pointers to functions instead
9405 of one of functions.
9407 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
9408 Jan Hubicka <jh@suse.cz>
9410 * combine.c (reversed_comparison): Fix typo in last patch.
9412 (combine_reversed_comparison_code): Make static to follow
9413 prototype declaration.
9415 2001-01-12 Phil Edwards <pme@sources.redhat.com>
9417 * install.texi: Remove misplaced duplicate entry.
9419 2001-01-11 Ulrich Drepper <drepper@redhat.com>
9421 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
9423 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
9425 * final.c: (leaf_function_p): Fix typo.
9427 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
9429 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
9430 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
9432 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
9433 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
9434 mmap_anon, and valloc is available.
9435 * ggc-page.c: Restructure ifdef logic to match new autoconf
9436 spec. Don't throw away the test page in init_ggc.
9438 * configure, config.in: Regenerate.
9440 2001-01-12 Michael Hayes <mhayes@redhat.com>
9442 * loop.h (total_biv_increment): Constify iv_class pointer.
9443 (struct induction): Replace `mem_mode' with `mem' rtx.
9444 * unroll.c (total_biv_increment): Constify iv_class pointer.
9445 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
9446 (find_mem_givs, combine_givs_p): Likewise.
9447 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
9449 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
9451 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
9453 (__gthread_getspecific): Ditto.
9455 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
9457 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
9458 put_condition_code): Convert fp comparison codes to integer
9460 (ix86_expand_fp_compare): Postnote the fp comparison code converison
9463 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
9464 * i386-protos.h (no_comparison_operator): Kill.
9466 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
9468 * combine.c (REVERSIBLE_CC_MODE): Remove.
9469 (reversible_comparison_p): Remove.
9470 (combine_reversed_comparison_code): New.
9471 (reversed_comparison): New.
9472 (combine_simplify_rtx): Use
9473 combine_reversed_comparison_code/reversed_comparison instead
9474 of reversible_comparison_p.
9475 (simplify_if_then_else): Likewise.
9476 (simplify_set): Likewise.
9477 (simplify_logical): Likewise.
9478 (if_then_else_cond): Likewise.
9479 (known_cond): Likewise.
9480 (simplify_comparison): Likewise.
9482 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
9484 * builtins.c (std_expand_builtin_va_start): Handle varargs when
9485 sizeof (int) is larger than sizeof(__word__).
9487 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9489 * cppinit.c (do_includes): Fix typo.
9491 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9493 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
9494 in S_REGS does not occur because not all sources are possible
9495 when a S_REGS is a destination (sometimes needs a clobber).
9496 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
9497 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
9498 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
9499 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
9500 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
9501 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
9502 (lshrdi_const1, lshrsi3_const16): Likewise.
9503 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
9504 (*movhi_68hc12, *movqi_68hc12): Likewise.
9505 (movstrictqi): Make sure reloading in D_REGS as a destination
9508 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9510 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
9512 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9514 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
9515 -D, -U and -A, and don't initialize the builtins.
9516 (do_includes): Error if -include or -imacros with -fpreprocessed.
9517 * cppmain.c (cb_define, cb_undef): Unconditionally process
9519 * tradcpp.c (main): Fix typo.
9521 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
9523 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
9524 (read_name_map): Use IS_ABSOLUTE_PATH.
9525 * tradcpp.c (get_filename): Likewise.
9527 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
9529 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
9530 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
9531 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
9532 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
9533 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
9534 (cmphi_z_used): Don't use '@' for the output.
9535 (tstqi_z_used): Likewise.
9536 (cmpqi_z_used): Likewise.
9537 (one_cmplsi2): Likewise.
9539 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9541 * config/sh/sh.c (barrier_align): Recognize branch around far
9542 branch and redundant insn.
9544 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
9546 * invoke.texi: Restore documentation of the drivers' switches -MD
9549 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
9551 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
9553 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
9554 check-objc//%): Support parallel testing of multilibs.
9555 (TESTSUITEDIR): Set to testsuite by default, but override for
9557 (check-gcc, check-g++, check-g77, check-objc): Enter
9560 2001-01-11 Bernd Schmidt <bernds@redhat.com>
9562 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
9563 * sched-deps.c (deps_may_trap_p): Likewise.
9564 * basic-block.h: Remove a comment.
9565 * flow.c (PROP_POSTRELOAD): Remove.
9566 (update_life_info): Don't add it to prop_flags.
9567 (mark_set_1): Lose the code that was enabled by it.
9569 2001-01-11 Michael Hayes <mhayes@redhat.com>
9571 * flow.c (flow_call_edges_add): New.
9572 * basic_block.h (flow_call_edges_add): New.
9574 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
9576 * reload1.c (move2add_note_store): Update reg_set_luid even if
9577 base reg remains the same.
9579 2001-01-10 Nick Clifton <nickc@redhat.com>
9581 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
9582 machine_function structure to zero.
9583 Add prototypes for machine_status functions.
9585 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9587 * c-common.h (CTI_VOID_LIST): Remove.
9588 (void_list_node): Likewise.
9589 * tree.h (TI_VOID_LIST_NODE): New enumeral.
9590 (void_list_node): New macro.
9591 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
9592 * config/i386/i386.c (ix86_init_builtins): Likewise.
9593 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
9595 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9597 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
9598 * cppinit.c (cpp_start_read): Update comment, remove unneeded
9600 * tradcpp.c: Include mkdeps.h.
9601 (deps, print_deps_phony_targets, deps_append, output_deps,
9602 init_dependency_output, output_deps): New.
9603 (deps_buffer, deps_allocated_size, deps_size, deps_column,
9604 deps_output): Delete.
9605 (print_deps_missing_files): Rename deps_missing_files.
9606 (inhibit_output): Make global.
9607 (main): Delete inhibit_output, deps_stream, deps_target.
9608 Use mkdeps functionality in the same way as cpplib. Remove
9609 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
9610 -M and -MM. Remove old handling of deps via deps_out, and
9611 old reading of environment variables.
9612 (get_filename): Update to use deps_add_dep.
9614 2001-01-10 Mark Mitchell <mark@codesourcery.com>
9616 * output.h (make_function_rtl): Remove prototype.
9617 (make_decl_rtl): Likewise.
9618 * varasm.c (make_function_rtl): Remove.
9619 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
9620 than from a third parameter.
9621 * tree.h (make_decl_rtl): Remove last parameter.
9622 * c-decl.c (builtin_function): Remove last argument in call to
9623 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
9624 (start_function): Likewise.
9625 * except.c (call_get_eh_context): Likewise.
9626 * expr.c (emit_block_move): Likewise.
9627 (clear_storage): Likewise.
9628 * profile.c (output_func_start_profiler): Likewise.
9629 * toplev.c (rest_of_decl_compilation): Likewise.
9630 * objc/objc-act.c (create_builtin_decl): Likewise.
9631 (synth_module_prologue): Likewise.
9632 (generate_static_reference): Likewise.
9633 (build_selector_reference_decl): Likewise.
9634 (build_class_reference_decl): Likewise.
9635 (build_objc_string_decl): Likewise.
9636 (build_protocol_reference): Likewise.
9638 2001-01-10 Richard Henderson <rth@redhat.com>
9640 * hwint.h: Revert yesterday's change.
9642 2001-01-10 Nick Clifton <nickc@redhat.com>
9644 * function.h (save_machine_status): Delete.
9645 (restore_machine_status): Delete.
9646 Amend comment describing {init|mark|free}_machine_status.
9648 * function.c (save_machine_status): Delete.
9649 (restore_machine_status): Delete.
9650 Amend comment describing {init|mark|free}_machine_status.
9651 (push_function_context_to): Remove invocation of
9652 save_machine_status.
9653 (pop_function_context_from): Remove invocation of
9654 restore_machine_status.
9656 * emit-rtl.c (init_emit_once): Amend comment describing
9657 {init|mark|free}_machine_status.
9659 * tm.texi (Per-Function Data): New node. Describe the
9660 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
9663 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9665 * cppinit.c (OPT_g): Remove.
9666 (cpp_handle_option): Update for removed -g3.
9667 (print_help): Update.
9668 * cpplib.h (struct cpp_options): Remove debug_output.
9669 * cppmain.c (setup_callbacks, cb_define): Update.
9670 * gcc.c (cpp_options): Translate -g3 to -dD.
9672 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
9674 * config/i960/i960.md: Change modifier to + on the zero_extract
9675 pattern after the (rotate -2 reg) canonicalization pattern.
9677 2001-01-10 Richard Henderson <rth@redhat.com>
9679 * config/alpha/alpha.c (alpha_free_machine_status): New.
9680 (override_options): Install it.
9681 (alpha_mark_machine_status): Verify machine non-null.
9682 * config/i386/i386.c (ix86_free_machine_status): New.
9683 (override_options): Install it.
9684 (ix86_init_machine_status): Use xcalloc.
9685 (ix86_mark_machine_status): Verify machine non-null.
9686 * config/ia64/ia64.c (ia64_free_machine_status): New.
9687 (ia64_override_options): Install it.
9688 (ia64_mark_machine_status): Verify machine non-null.
9690 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
9692 * function.c (instantiate_virtual_regs): Instantiate virtual
9693 registers found in CALL_INSN_FUNCTION_USAGE.
9695 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9697 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
9698 equivalent to -ansi in disabling -Di386.
9700 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
9702 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
9704 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
9706 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
9708 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
9710 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9712 * invoke.texi: Document that -fcond-mismatch isn't supported for
9715 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
9717 * gcc.texi: Define macro gcctabopt.
9718 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
9719 @command, @env and @option in some places where appropriate. Use
9720 @gcctabopt where appropriate. Put URLs and email addresses inside
9723 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
9725 * gcc.c (cpp_options): Set MD file name from output
9726 filename, if specified.
9727 (suffix_subst): New static variable.
9728 (do_spec): Clear it.
9729 (do_spec_1, case '.'): Handle new `%.suffix' spec.
9731 (give_switch): Handle suffix_subst.
9733 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9735 * invoke.texi: Fix another typo.
9737 2001-01-10 Phil Edwards <pme@sources.redhat.com>
9739 * invoke.texi: Fix typo.
9741 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
9743 * c-lang.c (lang_hooks): Update.
9744 (lang_decode_option): Remove.
9745 (lang_init_options): Rename c_init_options.
9746 * toplev.c (main): Use lang_hooks for lang_init_options
9747 and lang_decode_option.
9748 * toplev.h (lang_hooks): Add 2 new hooks.
9749 * tree.h: Remove lang_init_options and lang_decode_option.
9750 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
9751 * cp/decl2.c: Similarly.
9752 * cp/lex.c (lang_init_options): Rename cxx_init_options.
9753 (lang_hooks): Update.
9754 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
9756 (lang_init_options): Rename ffe_init_options.
9757 (lang_hooks): Update.
9758 (lang_decode_option): Remove.
9759 * java/lang.c (lang_init_options): Rename java_init_options.
9760 (lang_decode_option): Rename java_decode_option.
9761 (lang_hooks): Update.
9762 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
9763 (lang_decode_option): Rename objc_decode_option.
9764 (lang_hooks): Update.
9766 2001-01-09 Nick Clifton <nickc@redhat.com>
9768 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
9769 (d30v_return_addr_rtx): Delete.
9770 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
9771 cfun->machine structure.
9772 (struct machine_function): Move to d30v.h
9773 (d30v_save_machine_status): Delete.
9774 (d30v_restore_machine_status): Delete.
9775 (d30v_init_machine_status): New Function.
9776 (d30v_mark_machine_status): New Function.
9777 (d30v_free_machine_status): New Function.
9778 (d30v_init_expanders): Use new functions.
9779 (d30v_return_addr): Use ra_rtx field in cfun->machine.
9780 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
9781 d30v_return_addr_rtx.
9783 * config/d30v/d30v.h (struct_machine): Move here.
9784 Add eh_epilogue_sp_ofs field.
9786 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
9787 field in cfun->machine structure.
9789 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
9791 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
9792 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
9793 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
9795 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
9797 * objc/lang-options.h: Remove bogus reference to
9800 2001-01-09 Kazu Hirata <kazu@hxi.com>
9802 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
9805 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
9807 * reload.c (find_reloads_address): Check for eliminable registers
9808 when substituting a constant expression for a pseudo.
9810 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
9812 * c-common.c (enum format_type): Add format_type_error.
9813 (decode_format_type): New function.
9814 (decl_attributes): Use it.
9815 (format_kind_info): Adjust comment.
9817 2001-01-09 David O'Brien <obrien@BSDi.com>
9819 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
9820 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
9822 * config/i386/gnu.h: Don't include required platform specific .h files,
9823 tm.h will do it instead.
9824 * config/i386/i386elf.h: Likewise.
9825 * config/i386/linux.h: Likewise.
9826 * config/i386/moss.h: Likewise.
9827 * config/mips/gnu.h: Likewise.
9829 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
9831 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
9832 (rs6000-ibm-aix3.[01]*): Likewise.
9833 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
9834 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
9835 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
9836 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
9837 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
9838 (powerpc-*-eabiaix*): Likewise.
9839 (powerpc-*-eabisim*): Likewise.
9840 (powerpc-*-elf*): Likewise.
9841 (powerpc-*-eabi*): Likewise.
9842 (powerpc-*-rtems*): Likewise.
9843 (powerpc-*-linux*libc1): Likewise.
9844 (powerpc-*-linux*): Likewise.
9845 (powerpc-wrs-vxworks*): Likewise.
9846 (powerpcle-wrs-vxworks*): Likewise.
9847 (powerpcle-*-sysv*): Likewise.
9848 (powerpcle-*-elf*): Likewise.
9849 (powerpcle-*-eabisim*): Likewise.
9850 (powerpcle-*-eabi*): Likewise.
9851 (powerpcle-*-solaris2*): Likewise.
9852 * config/rs6000/aix31.h: Delete includes.
9853 * config/rs6000/aix3newas.h: Likewise.
9854 * config/rs6000/aix41.h: Likewise.
9855 * config/rs6000/aix43.h: Likewise.
9856 * config/rs6000/beos.h: Likewise.
9857 * config/rs6000/rtems.h: Likewise.
9858 * config/rs6000/sysv4.h: Likewise.
9860 2001-01-09 Kazu Hirata <kazu@hxi.com>
9862 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
9863 Change an argument mode of machine_mode to shift_mode of
9864 shift_mode. Remove an extra error check.
9865 (emit_a_shift): Adopt to the new calling prototype of
9867 (function_prologue): Fix code for a monitor
9868 function. Support H8/S.
9869 (function_epilogue): Do not output pop for a monitor function.
9871 2001-01-09 Nick Clifton <nickc@redhat.com>
9873 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
9874 (setup_incoming_varargs): Use sysv_varargs_p field of the
9875 cfun->machine structure.
9876 (struct machine_function): Move to rs6000.h
9877 (rs6000_save_machine_status): Delete.
9878 (rs6000_restore_machine_status): Delete.
9879 (rs6000_init_machine_status): New Function.
9880 (rs6000_free_machine_status): New Function.
9881 (rs6000_init_expanders): Use new functions.
9883 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
9885 (struct machine_function): Move here.
9887 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
9888 sysv_varargs_p field of the cfun->machine structure.
9890 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
9892 (rs6000_restore_machine_status): Remove prototype.
9894 2001-01-09 Richard Henderson <rth@redhat.com>
9896 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
9897 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
9898 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
9899 (sched_analyze_2, sched_analyze_insn): Likewise.
9900 (sched_analyze, init_deps): Likewise.
9901 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
9902 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
9903 (compute_block_backward_dependences): Update propagate_deps call.
9905 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
9907 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
9909 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9911 * cppinit.c (OPT_MD, OPT_MMD): Restore.
9912 (cpp_handle_option): Handle them.
9913 (cpp_post_options): Ensure one of -M or -MM is specified with
9914 any other -M? option.
9915 (init_dependency_output): Suppress output with -MG.
9917 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9920 * invoke.texi: Update.
9922 2001-01-09 Bernd Schmidt <bernds@redhat.com>
9924 * sh.md (reload_outsf): Generate recognizable patterns for
9927 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
9929 * c-lang.c (lang_hooks): Update.
9930 (lang_init): Rename c_init.
9931 (lang_finish): Remove.
9932 * toplev.c (compile_file): Use lang_hooks for lang_init ()
9934 * toplev.h (lang_hooks): Add init () and finish ().
9935 * tree.h (lang_init, lang_finish): Remove.
9936 * cp/tree.h (lang_init, lang_finish): Remove.
9937 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
9938 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
9940 (lang_init, lang_finish): Remove.
9941 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
9942 (lang_hooks): Update.
9943 * java/lang.c (lang_init): Rename java_init.
9944 (lang_finish): Remove.
9945 (lang_hooks): Update.
9946 * objc/objc-act.c (lang_init): Rename objc_init.
9947 (lang_finish): Remove.
9948 (lang_hoooks): Update.
9950 20001-01-09 Graham Stott <grahams@redhat.com>
9952 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
9953 after `ptr` is initialised.
9955 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9957 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
9958 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
9959 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
9960 stack adjusts, instead of r3.
9962 2001-01-09 Michael Hayes <mhayes@redhat.com>
9964 * flow.c (flow_loop_scan): Break out of ...
9965 (flow_loops_find) ... here.
9966 * basic-block.h (flow_loop_scan): New.
9967 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
9968 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
9970 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
9972 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
9974 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
9975 realloc()ing macro_buffer.
9977 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
9978 if it's wider than long and the target's long is wider than the
9981 2001-01-09 Mark Mitchell <mark@codesourcery.com>
9983 Remove support for using UWIN as a host machine.
9984 * configure.in: Issue an error message.
9985 * configure: Regenerated.
9986 * config.gcc: Remove xm_* UWIN configury.
9987 * config/i386/xm-uwin.h: Remove.
9989 2001-01-08 Nick Clifton <nickc@redhat.com>
9991 * config/v850/v850.c (ra_rtx): Delete.
9992 (v850_save_machine_status): Delete.
9993 (v850_restore_machine_status): Delete.
9994 (v850_init_machine_status): New function.
9995 (v850_mark_machine_status): New function.
9996 (v850_free_machine_status): New function.
9997 (v850_return_addr): Use ra_rtx field in machine structure.
9998 (v850_init_expanders): Use new functions.
10000 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
10001 * config/v850/v850.c: Change arguments to v850_output+* functions
10002 to take a const char *, to avoid compile time warning.
10003 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
10004 (USER_LABEL_PREFIX): Redefine.
10006 2000-01-08 Jim Wilson <wilson@redhat.com>
10008 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
10009 1 to unsigned HOST_WIDE_INT before left shift.
10011 2001-01-08 Nick Clifton <nickc@redhat.com>
10013 * config/arm/arm.c (arm_mark_machine_status): Check to see if
10014 the machine structure has been allocated.
10015 (arm_free_machine_status): New function: Free the machine
10016 specific function structure.
10018 2001-01-08 Richard Henderson <rth@redhat.com>
10020 * jump.c (simplejump_p): Revert last change.
10022 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
10024 * cppinit.c (init): Rename init_library.
10025 (cpp_create_reader): Update.
10026 * gcc.c (cpp_options): If -o given, use it as the target of
10029 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10031 * arm.c (arm_arch5e): New variable.
10032 (all_cores): XScale is a 5TE device.
10033 (arm_override_options): Set arm_arch5e.
10034 (arm_init_builtins): __builtin_prefetch is in arch5e.
10035 * arm.h (arm_arch5e): Declare it.
10037 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
10039 * arm.md (define_constants): Add defines for UNSPEC and
10040 UNSPEC_VOLATILE insns. Update all users.
10041 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
10042 * arm.c (multi_register_push, note_invalid_constants)
10043 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
10044 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
10045 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
10047 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
10049 * jump.c (jump_optimize_1): Use reversed_comparison_code
10050 instead of can_reverse_comparison_p.
10051 (jump_back_p): Likewise.
10052 (invert_exp_1): Likewise.
10053 (thread_jumps): Likewise.
10054 * simplify-rtx.c (simplify_unary_operation): Likewise.
10055 (simplify_ternary_operation): Likewise.
10056 * cse.c (find_comparison_args): Convert to use
10057 can_reverse_comparison_p.
10058 (record_jump_equiv): Likewise.
10060 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
10062 * arm.h (HARD_REGNO_RENAME_OK): Delete.
10063 (EPILOGUE_USES): Define.
10064 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
10065 automatically stack the LR if it isn't live.
10067 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
10069 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
10072 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
10074 * ggc-page.c (max_alignment): New structure.
10075 (MAX_ALIGNMENT): New macro.
10076 (init_ggc): Use it to round up the sizes in the
10077 extra_order_size_table.
10079 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10081 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
10084 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10086 * builtins.def (BUILT_IN_FPRINTF): New entry.
10088 * c-common.c (c_expand_builtin_fprintf): New function.
10089 (init_function_format_info): Handle __builtin_fprintf.
10090 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
10091 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
10093 * c-decl.c (duplicate_decls): Adjust comment.
10095 * extend.texi (fprintf): Document new builtin.
10097 2001-01-07 Richard Henderson <rth@redhat.com>
10099 * jump.c (simplejump_p): Recognize any single_set jump
10100 of the proper form.
10102 2001-01-07 Richard Henderson <rth@redhat.com>
10104 * configure.in (slibdir): Accept an --with-slibdir option.
10105 Use "test" not "[" in configure. Default to $(libdir).
10107 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
10109 * config/t-aix43 (SHLIB_INSTALL): Likewise.
10110 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
10111 (SHLIB_LINK): Create links for the soname.
10112 * config/mips/t-iris6: Likewise.
10113 * config/sparc/t-slibgcc: Likewise.
10114 * config/sparc/t-slibgcc-sld: Likewise.
10116 2001-01-07 Jakub Jelinek <jakub@redhat.com>
10118 * config/i386/i386.c (constant_call_address_operand): Accept
10119 (const (plus (symbol_ref) (const_int))).
10120 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
10121 constant_call_address_operand.
10123 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10125 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
10126 and LONG_LONG_TYPE_SIZE > 32.
10128 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
10130 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
10131 the previous change.
10133 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
10135 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
10137 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
10138 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
10139 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
10142 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10144 * fix-header.c (read_scan_file): s/pfile/scan_in/.
10146 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10148 * c-lang.c (c_post_options): Call cpp_post_options.
10149 * objc/objc-act.c (objc_post_options): Similarly.
10150 * cppmain.c (main): Similarly.
10151 * fix-header.c (read_scan_file): Similarly.
10152 * cppinit.c (cpp_start_read): Move option consistency checks
10153 to cpp_post_options. Don't call init_dependency_output.
10154 If needed, add default target and main file dependency.
10155 (OPT_MD, OPT_MMD): Remove.
10157 (cpp_handle_option): Update for OPT_* changes.
10158 (cpp_post_options): New.
10159 (init_dependency_output): Command line -MF overrides environment
10160 variables. Don't set default target etc. Suppress output
10161 if dependencies are going to stdout.
10162 (print_help): Update.
10163 * cpplib.h (cpp_post_options): New.
10164 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
10166 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
10168 * jump.c (comparison_dominates_p): Support unordered compares.
10170 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
10172 * simplify-rtx.c (simplify_relational_operation): Always simplify
10173 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
10176 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
10178 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
10179 (nonzero_bits): Likewise.
10180 (simplify_comparison): Likewise.
10181 (num_sign_bit_copies): Likewise; return more sane value depending
10182 on STORE_FLAG_VALUE.
10183 (known_cond): Do not assume EQ to be always true for equivalent
10186 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
10188 * cse.c (fold_rtx): Handle unordered comparisons.
10190 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
10192 * rtlanal.c (set_of_1): New static function.
10193 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
10194 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
10195 reg_set_last_last_regno): Remove.
10196 (set_of): New global function.
10197 (set_of_data): New structure.
10198 (reg_set_p, reg_set_last): Revamp for set_of.
10199 * rtl.h (set_of): New.
10201 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
10203 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
10204 * extend.texi: Document _Exit builtin.
10206 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10208 * (initialize, initialize_builtins,
10209 initialize_dependency_output, initialize_standard_includes):
10210 Rename s/initialize/init. Update.
10211 (init_dependency_output): Move to after
10212 cpp_handle_options, the correct location temporally at least.
10213 (opt_comp): Move next to init (), its caller. Fix prototype.
10214 (init): Make "initialized" local scope.
10215 (cpp_create_reader): Always call init ().
10216 (cpp_start_read): Update.
10217 (output_deps): New function, broken out of cpp_finish.
10218 (cpp_finish): Break out output_deps.
10220 2001-01-07 Richard Henderson <rth@redhat.com>
10222 * collect2.c (COFF specific stuff): Revert 12-06 patch
10223 to prototype system functions.
10225 2001-01-07 Michael Hayes <mhayes@redhat.com>
10227 * hard-reg-set.h: Add multiple include guard.
10228 * basic-block.h (struct loop): Add `sink' field.
10229 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
10230 (emit_iv_add_mult): Delete.
10231 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
10232 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
10233 (unroll_loop): Remove end_insert_before argument.
10234 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
10235 (maybe_eliminate_biv_1): Likewise.
10236 (emit_iv_add_mult): Delete.
10237 (gen_add_mult, loop_regs_update): New.
10238 (loop_insn_emit_after, loop_insn_emit_before): New.
10239 (loop_insn_sink, loop_insn_sink_or_swim): New.
10240 (emit_iv_add_mult): Delete.
10241 (scan_loop): Set loop->sink.
10242 (loop_givs_reduce): Use loop_insn_sink and its ilk.
10243 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
10244 (maybe_eliminate_biv_1): Likewise.
10245 (maybe_eliminate_biv_1): Add basic block argument.
10246 * unroll.c (unroll_loop): Remove end_insert_before argument.
10247 (find_splittable_regs): Likewise.
10248 (find_splittable_regs): Use loop_insn_sink and its ilk.
10249 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
10251 2001-01-07 Michael Hayes <mhayes@redhat.com>
10253 * loop.h (loop_insn_hoist): New prototype.
10254 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
10255 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
10256 (check_dbra_loop, load_mems): Likewise.
10257 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
10258 (find_splittable_givs): Likewise.
10260 2001-01-07 Michael Hayes <mhayes@redhat.com>
10262 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
10264 2001-01-07 Richard Henderson <rth@redhat.com>
10266 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
10268 2001-01-07 Richard Henderson <rth@redhat.com>
10270 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
10271 NO_SHARED_LIBGCC_MULTILIB as required for the target.
10272 * gcc.c (init_spec): Massage the existing libgcc_spec into a
10273 variant that handles a shared libgcc.
10274 (process_command): Always validate -{static,shared}-libgcc.
10275 (do_spec_1): New 'M' case.
10276 * invoke.text (Link Options): Document -{static,shared}-libgcc.
10278 2001-01-07 Richard Henderson <rth@redhat.com>
10280 * Makefile.in (slibdir): New variable.
10281 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
10282 (installdirs): Create slibdir.
10283 (install-libgcc, install-multilib): Defer to libgcc.mk.
10284 * configure.in (slibdir): Substitute.
10285 * mklibgcc.in (install): New target.
10287 * config/t-linux (SHLIB_LINK): Create links for the soname.
10288 (SHLIB_INSTALL): New.
10289 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
10290 * config/mips/t-iris6 (SHLIB_INSTALL): New.
10291 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
10292 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
10293 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
10295 2001-01-07 Richard Henderson <rth@redhat.com>
10297 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
10298 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
10299 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
10301 2001-01-07 Michael Hayes <mhayes@redhat.com>
10303 * loop.c (count_loop_regs_set): Delete.
10304 (load_mems_and_recount_loop_regs_set): Delete.
10305 (loop_regs_scan): Merge common code from count_loop_regs_set,
10306 scan_loop, and load_mems_and_recount_loop_regs_set.
10307 (scan_loop): Call load_mems directly and loop_regs_scan
10308 again if new registers created.
10310 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10312 * toplev.c (main): Call the front-end specific post_options
10313 hook if one is given.
10314 * toplev.h (struct_lang_hooks, lang_hooks): New.
10315 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
10316 for the C front end.
10317 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
10318 lang_hooks for the C++ front end.
10319 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
10320 lang_hooks for the ObjC front end.
10321 * f/com.c (lang_hooks): Hooks for the Fortran front end.
10322 * java/lang.c (lang_hooks): Hooks for the Java front end.
10324 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
10326 * c-lex.c (init_c_lex): Request #define / #undef callbacks
10327 for verbose DWARF[2] debugging.
10328 (cb_define, cb_undef): The new callbacks.
10329 * toplev.h (debug_define, debug_undef): Make const correct.
10330 * toplev.c (debug_define, debug_undef): Similarly. Do not
10331 perform the verbosity tests here anymore.
10333 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
10335 * reload.c (subst_reloads): Take INSN argument. When
10336 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
10337 * reload.h (subst_reloads): Adjust prototype.
10338 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
10339 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
10340 present in JUMP_INSNs and copy them to JUMP_LABEL.
10341 * flow.c (find_label_refs, find_basic_blocks_1): Skip
10342 JUMP_INSNs and insns with REG_LABELs that are followed by
10343 JUMP_INSNs with the same REG_LABEL.
10344 * sched-rgn.c (is_cfg_nonregular): Likewise.
10345 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
10347 * unroll.c (unroll_loop): Look for REG_LABEL notes in
10349 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
10351 2001-01-06 Richard Henderson <rth@redhat.com>
10353 * loop.c (scan_loop): Use xcalloc for the regs array.
10354 (load_mems_and_recount_loop_regs_set): Zero the new memory
10355 received from xrealloc.
10357 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
10359 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
10361 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
10363 * integrate.c (copy_rtx_and_substitute): When copying
10364 an ignored return value, strip REG_FUNCTION_VALUE_P.
10366 2001-01-06 Michael Hayes <mhayes@redhat.com>
10368 * loop.c (debug_biv, debug_giv): New.
10369 (loop_biv_dump): Break out from ...
10370 (record_biv): ... here.
10371 (loop_giv_dump): Break out from ...
10372 (record_giv): ... here.
10373 (loop_bivs_check): Use print_simple_rtl.
10374 * unroll.c (loop_iterations): Use print_simple_rtl.
10376 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
10378 * pa.md (return, return_internal): Modify patterns to prevent regrename
10379 mucking with the return pointer.
10381 2001-01-05 Richard Henderson <rth@redhat.com>
10383 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
10385 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
10387 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
10388 version supplied by Matteo Frigo.
10390 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10392 * cpp.texi: Update for -MQ.
10393 * cppinit.c (cpp_create_reader): Always create pfile->deps.
10394 (cpp_cleanup): Always free pfile->deps.
10395 (initialize_dependency_output): Don't create pfile->deps.
10396 (cpp_handle_option): Similarly.
10398 * gcc.c (cpp_options): Handle -MQ.
10399 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
10400 * mkdeps.c (base_name): Remove.
10401 (deps_init): Don't allocate vector space until it's needed.
10402 (deps_free): Only free vectors if allocated.
10403 (deps_add_target, deps_add_dep): Update for initial allocation.
10404 (deps_add_default_target): Don't strip to the base_name.
10406 2001-01-05 DJ Delorie <dj@redhat.com>
10408 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
10409 (INIT_EXPANDERS): Define.
10411 * config/v850/v850.c (struct machine_function): Define.
10412 (v850_save_machine_status): New function.
10413 (v850_restore_machine_status): New function.
10414 (v850_return_addr): New function.
10415 (v850_init_expanders): New function.
10417 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
10418 and v850_init_expanders.
10420 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10422 * cpplib.h (struct cpp_reader): Add help_only field.
10423 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
10424 (cpp_handle_option): Set pfile->help_only if we see -h,
10425 --help, -target-help, or --version. Print version string but
10426 do not set help_only if we see -v or -version. Make text
10427 printed by -v match that printed by (-)-version.
10429 * cppmain.c (main): Exit after option parsing if
10430 pfile->help_only is true.
10432 * toplev.c (independent_decode_option): Call print_version,
10433 then exit, if we see --version (but not -version).
10434 (print_version): Split lengthy message into two lines.
10436 2001-01-05 Nick Clifton <nickc@redhat.com>
10438 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
10439 temporary string for initialisation before calling ggc_alloc_string.
10441 2001-01-06 Michael Hayes <mhayes@redhat.com>
10443 * rtl.h (print_simple_rtl): New.
10444 * print-rtl.c (print_simple_rtl): New.
10445 (flag_simple): New.
10446 (print_rtx): Disable printing of flags and modes, etc.,
10447 if `flag_simple` nonzero.
10449 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
10451 * function.c (fixup_var_refs): Use push_to_full_sequence where
10454 2001-01-05 Michael Meissner <meissner@redhat.com>
10456 * flags.h (flag_reorder_blocks): Add declaration.
10457 (flag_rename_block): Ditto.
10459 2001-01-05 DJ Delorie <dj@redhat.com>
10461 * function.c (reorder_blocks): Make sure the flags are all reset
10462 before using them to mark blocks, else a second invocation will
10463 corrupt the block chain.
10464 (reorder_blocks_0): New, resets the flags.
10466 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
10468 * cse.c (find_comparison_args): Stop if the argument is known to
10471 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10473 * config/sh/sh.md (movdf): When splitting load into pair of
10474 registers, don't clobber the register used in the address too
10477 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
10479 * varasm.c (mark_constant_pool): Improve initial comments.
10480 (mark_constants): Move marking of constants to mark_constant.
10481 (mark_constant): New function to recursively mark all constants
10482 referred to by a constant.
10484 2001-01-05 Catherine Moore <clm@redhat.com>
10486 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
10488 2001-01-05 Phil Edwards <pme@sources.redhat.com>
10490 * cp/lang-options.h: Bring comment in line with reality.
10491 * f/lang-options.h: Likewise.
10492 * java/lang-options.h: Likewise.
10493 * objc/lang-options.h: Likewise.
10494 * ch/lang-options.h: Likewise.
10495 * f/g77.texi: And update the manual.
10497 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
10498 Denis Chertykov <denisc@overta.ru>
10500 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
10501 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
10502 * config/avr/avr.md (all peepholes that request a scratch register):
10503 Call it, FAIL the peephole if not safe (in interrupt functions).
10505 2001-01-05 Mark Mitchell <mark@codesourcery.com>
10507 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
10509 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
10511 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
10513 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
10514 BUILT_IN_CREAL and BUILT_IN_CIMAG.
10515 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
10516 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
10517 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
10519 * extend.texi: Document these builtins.
10521 2001-01-05 Daniel Berlin <dberlin@redhat.com>
10523 * c-common.c (lang_get_alias_set): Say we know nothing of
10524 VECTOR_TYPE aliasing.
10526 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
10528 2001-01-05 Bruce Korb <bkorb@gnu.org>
10530 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
10531 their x* equivalent versions for atexit-less systems
10532 * fixinc/fixincl.c(main): do not return from main() on atexit-less
10533 systems (or any other system any more).
10535 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
10537 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
10538 output operands. Use arm_hard_register_operand for operand 4.
10539 (stmsi_postinc): Similarly.
10540 (ldmsi): Use arm_hard_register_operand for opernand 2.
10541 (stmsi): Similarly.
10542 * arm.c (arm_hard_register_operand): New function.
10543 * arm-protos.h (arm_hard_register_operand): Prototype it.
10545 * arm.h (HARD_REGNO_RENAME_OK): Define.
10547 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
10549 * simplify-rtx.c (cfc_args): add "unordered" field.
10550 (check_fold_consts): Set unordered field.
10551 (simplify_relational_operation): Simplify the unordered
10554 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
10557 * emit-rtl.c (try_split): Fix code to mark labels.
10558 * jump.c (mark_jump_label): Make global.
10559 * rtl.h (mark_jump_label): Declare.
10561 * predict.c (estimate_probability): Handle unordred comparisons.
10563 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
10565 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
10566 * cppinit.c (initialize_dependency_output): Update.
10567 (cpp_finish): Output dummy targets for -MP.
10569 (cpp_handle_option): Handle -MP. Don't quote -MT options.
10570 * cpplib.h (struct cpp_options): Add deps_phony_targets.
10571 * gcc.c (cpp_options): Update to handle -MP.
10572 * mkdeps.c (deps_add_target, deps_add_default_target): Update
10573 to quote only the default target.
10574 (deps_phony_targets): Insert a preceding newline. Rename from
10575 deps_dummy_targets for consistency.
10578 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10580 * calls.c (emit_library_call_value_1): Support
10581 INIT_CUMULATIVE_LIBCALL_ARGS.
10582 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
10584 2001-01-04 Richard Henderson <rth@redhat.com>
10586 * c-decl.c (finish_struct): Detect flexible array members
10587 used in an inappropriate context.
10588 * c-typeck.c (really_start_incremental_init): Special case
10589 constructor_max_index for zero length arrays.
10590 (pop_init_level): Allow initialization of flexible array
10591 members. Deprecate initialization of zero length arrays.
10592 Don't issue missing initializer warning for flexible array
10593 members or zero length arrays.
10594 (process_init_element): Don't dereference null DECL_SIZE.
10595 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
10596 Don't abort for empty constructors. Use size_binop
10597 (output_constructor): Add commentary regarding zero length
10598 array futures. Abort if we try to initialize an array of
10599 unspecified length with a non-empty constructor in the middle
10602 * extend.texi (Zero Length): Update and clarify documentation
10603 on static initialization.
10605 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10607 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
10608 with more than 32767 words of local storage.
10610 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
10612 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
10613 for 'abs', 'labs', and 'fabs'.
10614 (c4x_expand_builtin): Likewise.
10615 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
10617 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
10619 * config/sh/sh.md (prget, prset): New insn types.
10620 (return delay slot): Dont' allow prset.
10621 (call, sfunc delay slot): Don't allow prget.
10622 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
10623 for prset and prget.
10625 2001-01-05 Michael Hayes <mhayes@redhat.com>
10627 * loop.h (struct loop_reg): New.
10628 (struct loop_regs): Change to use array of `struct loop_reg'.
10629 * loop.c: Replace assortment of varrays with single regs array.
10630 (count_one_set): Delete may_not_move array argument
10631 and use regs array instead. All caller's changed.
10632 (count_loop_regs_set): Delete may_not_move and single_usage
10633 arguments and use regs array instead. All caller's changed.
10634 (find_single_use_in_loop): Replace usage array argument with pointer
10635 to regs structure. All caller's changed.
10636 (loop_optimize): Delete `moved_once' array.
10638 2001-01-05 Michael Hayes <mhayes@redhat.com>
10640 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
10641 Use it instead of loop_info->has_call for scanning loop mems.
10642 (check_dbra_loop): Replace loop_info->has_call test with
10643 loop_info->has_nonconst_call.
10645 2000-01-04 Matthew Hiller <hiller@redhat.com>
10647 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
10650 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10652 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
10653 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
10655 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
10657 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
10658 (flag_short_double, flag_short_wchar): Define.
10659 (c_common_nodes_and_builtins): Create many tree nodes shared
10660 between C and C++ here instead of in cp/decl.c and ...
10661 * c-decl.c (init_decl_processing): ... here.
10662 (SIZE_TYPE, WCHAR_TYPE): Don't define.
10663 (flag_short_double, flag_short_wchar): Don't define.
10664 (record_builtin_type): New function.
10665 (build_void_list_node): New function.
10666 * c-common.h (flag_short_double, flag_short_wchar,
10667 record_builtin_type, build_void_list_node): Declare.
10669 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
10671 * integrate.c (expand_inline_function): Don't put a virtual
10672 register into the reg map.
10674 * function.c (fixup_var_refs_1): If force_operand didn't put
10675 the address into the target, move it there.
10677 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10679 Special-case tree_decl/tree_list allocations.
10680 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
10681 (OBJECT_SIZE): New macro.
10682 (NUM_EXTRA_ORDER): Likewise.
10683 (extra_order_size_table): New variable.
10684 (NUM_ORDERS): New macro.
10685 (objects_per_page_table): New variable.
10686 (object_size_table): New variable.
10687 (G.pages): Use NUM_ORDERS to bound the array.
10688 (G.page_tails): Likewise.
10689 (DIV_ROUND_UP): Remove.
10690 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
10691 (alloc_page): Use OBJECT_SIZE.
10692 (size_lookup): Don't make it const.
10693 (ggc_alloc): Use OBJECT_SIZE.
10694 (ggc_set_mark): Likewise.
10695 (ggc_get_size): Likewise.
10696 (init_ggc): Set up the object_size_table, objects_per_page_table,
10697 and adjust size_lookup.
10698 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
10699 (ggc_pop_context): Use NUM_ORDERS.
10700 (clear_marks): Likewise.
10701 (sweep_pages): Likewise.
10702 (poison_pages): Likewise.
10703 (ggc_print_statistics): Use OBJECT_SIZE.
10705 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10707 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
10708 Only call array_size_for_constructor if last field and array type
10709 with no upper bound.
10711 2001-01-04 Philip Blundell <philb@gnu.org>
10713 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
10714 from bit 31 downwards, if this requires no more insns.
10715 (count_insns_for_constant): New helper function for above.
10717 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
10719 * gencodes.c (output_predicate_decls): Remove empty initializer.
10721 2001-01-04 Mark Mitchell <mark@codesourcery.com>
10723 * tree.c (copy_node): Remove documentation about obstacks.
10724 (buidl1): Check that nobody tries to build 2-argument nodes this
10727 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10729 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
10732 * gencodes.c (output_predicate_decls): Fill empty initializer
10735 2001-01-04 Jakub Jelinek <jakub@redhat.com>
10737 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
10738 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
10740 (do_include): Handle missing headers like cpp0.
10741 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
10742 paths with first include pathname. Don't strcat to uninitialized
10745 2001-01-04 Bernd Schmidt <bernds@redhat.com>
10747 * regrename.c (regrename_optimize): Don't rename from frame pointer
10748 if frame_pointer_needed.
10749 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
10750 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
10751 (ia64_reorg): Use it instead of scheduling if ! optimize.
10752 (errata_emit_nops): Properly call asm_noperands.
10753 (ia64_sched_reorder): Finish cycle if we see an asm.
10754 (ia64_variable_issue): Clear scheduling state after asms.
10756 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
10758 * cpp.texi: Update for -MT.
10759 * cppinit.c (initialize_dependency_output): Add a default
10760 target if none has been given already.
10761 (no_tgt, OPT_MT): New.
10762 (cpp_handle_option): Handle -MT. Update -M etc.
10763 * cpplib.h (struct cpp_options): Remove deps_target.
10764 * gcc.c (cpp_options): Handle -MT.
10765 * mkdeps.c (struct deps): Move from mkdeps.h.
10766 (deps_calc_target): Rename deps_add_default_target. Add a
10767 default target if none has been specified already.
10768 * mkdeps.h (struct deps): Move to mkdeps.c.
10769 (deps_calc_target): Rename deps_add_default_target.
10771 2000-01-03 Richard Henderson <rth@redhat.com>
10773 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
10775 * c-typeck.c (push_init_level): Move checks for flexible array
10776 members and zero length arrays ...
10777 (pop_init_level): ... here. Silently discard empty initializations.
10779 * varasm.c (output_constructor): Update for sizeof change to
10780 zero-length arrays.
10782 * extend.texi (Zero Length): Clarify semantics.
10784 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10786 * configure.in (tm.h): Include isns-codes.h last.
10787 * configure: Rebuilt.
10789 2001-01-03 Richard Henderson <rth@redhat.com>
10791 * config/alpha/alpha.md (addvsi3, addvdi3): New.
10792 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
10794 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
10796 * tradcpp.c (main): Make sure finclude() is called with a valid
10797 indepth value while handling -include.
10799 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10801 * gencodes.c (output_predicate_decls): New function.
10803 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
10804 even if it is not the first time machmode.h is #included.
10805 * config/sh/sh.c (fpul_operand): Declare MODE argument.
10806 * tm.texi (PREDICATE_CODES): Document predicate declarations.
10807 * gcc.texi (Copyright): Added 2001.
10809 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10811 * c-common.c (c_common_lang_init): New function. Warn if format
10812 warning options which only have effects when used with -Wformat
10813 are used without -Wformat.
10814 * c-common.h (c_common_lang_init): Declare.
10815 * c-lang.c (lang_init): Call c_common_lang_init.
10816 * objc/objc-act.c (lang_init): Call c_common_lang_init.
10818 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10820 * configure.in: Check for the mktemp command.
10821 * configure: Regenerate.
10822 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
10823 $TEMP. Create temporary files with mktemp, if available at
10824 configure time; otherwise use set -C. Remove temporary files
10827 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
10829 * configure.in: Require at least texinfo 4.0. Check for whether
10830 Pod::Man is sufficiently recent to regenerate GCC manpages.
10831 * configure: Regenerate.
10832 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
10834 (GENERATED_MANPAGES): Define.
10835 (generated-manpages): New target. Depend on cpp.1 as well as
10837 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
10838 configure to generated-manpages or empty) rather than on the
10839 manpages directly. Remove execute permission from installed
10840 gcov.1 as well as cpp.1.
10841 * cpp.1, gcov.1: Regenerate.
10843 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10845 * builtins.c (expand_builtin_strncmp): Use host_integerp and
10846 tree_low_cst. Allow using cmpstrsi in more cases.
10848 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10850 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
10853 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
10855 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
10856 * Makefile.in (HOST_CFLAGS): Mention build-make.
10858 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
10860 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
10863 2001-01-01 Bernd Schmidt <bernds@redhat.com>
10865 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
10868 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
10871 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
10872 reg_base_value and reg_known_value arrays.
10873 (init_alias_analysis): Add more cases to detect known values.
10874 * sched-deps.c (deps_may_trap_p): New function.
10875 (sched_analyze_2): Use it.
10877 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
10879 * combine.c (simplify_shift_const): Even if we're sign-extracting,
10880 don't discard an ASHIFTRT if we're shifting in a wider mode.
10882 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
10884 * toplev.c (rest_of_compilation): Don't print basic block information
10885 when CFG isn't up to date.
10887 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
10889 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
10890 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
10891 (UNALIGNED_SHORT_ASM_OP): Define.
10892 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
10894 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10896 * fold-const.c (fold_convert): Fix typo.
10898 2001-01-02 Richard Henderson <rth@redhat.com>
10900 * c-common.h (ASM_INPUT_P): New.
10901 * c-parse.in (asm): Set it when needed.
10902 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
10903 existance of an operand.
10905 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
10907 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
10908 (dwarf2out_frame_debug_expr): Likewise.
10909 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
10911 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
10913 * i386.c (ix86_split_to_parts): Return number of part required;
10915 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
10917 (ix86_split_long_move): Use number of part returned
10918 by ix86_split_to_parts
10919 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
10921 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
10922 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
10923 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
10924 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
10925 (ALIGN_MODE_128): Add TFmode.
10926 (IS_STACK_MODE): Likewise.
10927 (HARD_REGNO_NREGS): TFmode needs 3 registers.
10928 (HARD_REGNO_OK): Support TFmodes.
10929 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
10930 * i386.md (scheduler definitions): Use memory operand to determine
10931 fst/fld instructions; use mode attribute to determine real mode of
10933 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
10934 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
10936 2001-01-02 Mark Mitchell <mark@codesourcery.com>
10938 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
10940 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10942 * expr.c (store_constructor_field): Update ALIGN before calling
10945 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10947 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
10950 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
10952 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
10955 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
10957 * c-decl.c (start_function): Don't warn on third parameter to main.
10959 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10961 * tsystem.h: Define HAVE_DECL_GETOPT.
10963 2001-01-02 Philip Blundell <pb@futuretv.com>
10965 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
10968 2001-01-02 Richard Henderson <rth@redhat.com>
10970 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
10972 2001-01-02 Andreas Jaeger <aj@suse.de>
10974 * c-decl.c (c_decode_option): Remove support of
10975 -Wmissing-noreturn.
10977 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
10978 (W_options): Add -Wmissing-noreturn here.
10980 * flow.c: Define lang_missing_noreturn_ok_p.
10981 (check_function_return_warnings): Use it.
10983 * c-common.h: Declare lang_missing_noreturn_ok_p.
10985 * c-lang.c (c_missing_noreturn_ok_p): New function.
10986 (lang_init): Set lang_missing_noreturn_ok_p.
10988 * invoke.texi (Warning Options): Document this.
10990 2000-12-27 Phil Edwards <pme@sources.redhat.com>
10992 * extend.texi (C++ Extensions): New node for C++ attributes;
10993 describe init_priority and com_interface.
10994 * invoke.texi: Remove -finit-priority as it now has zero effect.
10995 * install.texi: Fix xref syntax.
10996 * md.texi: Likewise.
10998 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11000 * config.gcc (sparc64-wrs-vxworks*): New case.
11001 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
11003 * config/sparc/sparc.c (sparc_override_options): Do support different
11004 pointer and architecture size.
11005 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
11006 (POINTERS_EXTEND_UNSIGNED): Define.
11007 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
11008 (FUNCTION_MODE): Define to be Pmode.
11009 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
11011 * function.c (expand_function_end): Properly handle DECL_RESULT
11012 and copy when ptr_mode != Pmode.
11013 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
11015 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11017 * c-common.c (c_common_nodes_and_builtins): Set prototype
11018 parameters for __builtin_fputs, __builtin_fputc and
11019 __builtin_fwrite. Don't declare plain fputc as a builtin.
11021 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
11023 * loop.c (add_label_notes): Increment the label usage count when
11024 a note is added to an insn which refers to a CODE_LABEL.
11025 * gcse.c (add_label_notes): Likewise.
11027 2001-01-01 Andreas Jaeger <aj@suse.de>
11029 * loop.c (scan_loop): Use xmalloc to allocate movables.
11031 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
11033 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
11034 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
11035 * reload1.c (REGISTER_MOVE_COST): Likewise.
11036 * regclass.c (REGISTER_MOVE_COST): Likewise.
11037 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
11038 dimension. Adjust all users.
11039 (init_reg_sets_1): Iterate on all modes.
11040 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
11041 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
11042 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
11043 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
11044 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
11045 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
11046 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
11047 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
11048 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
11049 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
11050 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
11051 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
11052 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
11053 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
11054 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
11055 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
11056 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
11057 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
11058 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
11059 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
11060 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
11061 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
11062 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
11063 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
11064 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
11065 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
11066 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
11068 2001-01-01 Bernd Schmidt <bernds@redhat.com>
11070 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
11071 arg VARIES_P. Call it with extra arg.
11072 (true_dependence): Likewise.
11073 * rtl.h (rtx_addr_can_trap_p): Declare.
11074 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
11076 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
11077 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
11078 pic offset table register if it's zero. All callers changed.
11079 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
11081 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
11083 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
11084 STRING_POOL_ADDRESS_P.
11086 * config/sparc/sparc.c (input_operand): Properly test for short op.
11088 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
11089 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
11090 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
11091 * config/sparc/elf.h: No longer include sol2.h.
11092 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
11093 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
11095 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
11097 2001-01-01 Michael Hayes <mhayes@redhat.com>
11099 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
11100 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
11101 (record_initial): Likewise.
11102 * unroll.c (copy_loop_body, loop_iterations): Likewise.
11103 (remap_split_bivs): Likewise.
11105 2001-01-01 Michael Hayes <mhayes@redhat.com>
11107 * loop.c (loop_ivs_free): New function.
11108 (strength_reduce): Break out from...
11110 2001-01-01 Michael Hayes <mhayes@redhat.com>
11112 * loop.h (struct iv): New.
11113 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
11114 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
11115 'reg_biv_class' fields with 'regs' and 'n_regs'.
11116 (struct ivs): Rename 'loop_iv_list' field to 'list'.
11117 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
11118 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
11120 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
11122 * resource.c (mark_referenced_resources): Abort() before
11123 attempting to mark a pseudo register.
11124 (mark_set_resources): Likewise.
11126 2001-01-01 Michael Hayes <mhayes@redhat.com>
11128 * loop.h (REG_IV_CLASS): New accessor macro.
11129 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
11130 * unroll.c (REG_IV_CLASS): Likewise.
11132 See ChangeLog.4 for earlier changes.