1 2001-03-13 Jim Wilson <wilson@redhat.com>
3 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
4 from 80 in try_locals code.
5 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
7 2001-03-13 Zack Weinberg <zackw@stanford.edu>
9 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
10 gcc_AC_C_LONG_LONG): New.
11 * configure.in: Use them. Probe the size of short, int, long,
12 and long long/__int64 if we have them. Move all the AC_C_*
13 checks together, except gcc_AC_C_CHAR_BIT which has to go
14 after AC_CHECK_HEADERS(limits.h).
15 Take hwint.h out of host_xm_file and build_xm_file.
17 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
18 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
19 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
20 Move the HOST_WIDEST_INT setup logic here from system.h.
21 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
23 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
24 is now handled by hwint.h.
26 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
27 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
28 config/ia64/xm-ia64.h: Don't define any of:
29 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
30 HOST_BITS_PER_LONGLONG.
32 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
33 config/h8300/xm-h8300.h, config/mips/iris6.h,
34 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
35 config/sparc/xm-sp64.h: Delete.
36 * config.gcc: Remove references to deleted files.
38 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
39 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
40 * config/i370/xm-linux.h: Clarify floating-point situation in
43 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
45 * cppfiles.c (NO_INCLUDE_PATH): New macro.
46 (find_include_file): Decide here which part of the include
47 chain to start the search. Complain about an empty include
48 chain in all cases apart from an abolsute file name.
49 (_cpp_execute_include): Don't choose the search chain here.
50 Don't call handle_missing_include in the case of an empty
52 (_cpp_compare_file_date): Don't choose the search chain here.
53 * cpplib.c (do_include_next): Move the in-main-file diagnostic
54 here from _cpp_execute_include. Behave like #include if
55 we're in the main file.
57 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
59 * system.h (malloc, realloc, calloc, strdup): Only poison these
60 tokens when IN_GCC is defined.
62 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
64 * i386.md (abs?f expander): Support SSE case.
65 (abd?f_if): Add new "USE"; add splitters.
67 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
69 * cpp.texi (poison): Explain the macro expansion exception.
71 2001-03-13 Jakub Jelinek <jakub@redhat.com>
73 * expr.c (store_expr): Add dont_store_target. If temp is already in
74 target before copying to reg, don't store it into target again.
76 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
78 * cppinternals.texi: Update for file handling.
80 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
82 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
83 2001-02-24 which broke building the Java library.
84 * function.c (identify_blocks): Likewise.
85 (all_blocks): Likewise.
86 * integrate.c (integrate_decl_tree): Likewise.
87 * print-tree.c (print_node): Likewise.
88 * tree.h (BLOCK_NUMBER): Likewise.
89 (struct tree_block): Likewise.
91 2001-03-12 David Edelsohn <edelsohn@gnu.org>
93 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
94 __WCHAR_TYPE__ definition.
95 (WCHAR_TYPE_SIZE): #undef before #define.
97 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
99 * cppfiles.c: Update comments.
100 (destroy_include_file_node): Rename destroy_node.
101 (find_or_create_entry): New function.
102 (open_file, _cpp_fake_include): Use it.
103 (handle_missing_header): New function, broken out of
104 _cpp_execute include. Don't segfault if there is no
105 system or quoted path.
106 (_cpp_execute_include): Use handle_missing_header.
108 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
110 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
111 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
113 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
115 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
116 unless anti_dependence says they are.
117 * alias.c (objects_must_conflict): If neither has a type specified,
120 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
121 David Billinghurst <David.Billinghurst@riotinto.com>
123 * config/mips/iris5.h: Change WCHAR_TYPE to int.
125 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
127 * i386.md (trunctfdf2_2): Rename missnamed pattern.
128 (*_one_bit): Remove type on the match_operand in attributes.
130 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
132 * i386.c: Commit forgotten hunk in previous patch.
133 (regclass_map): Add extended registers.
134 (dbx_register_map): Add missing frame register.
136 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
138 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
140 * i386.md (x86_sahf_1): Disable for 64bit.
141 (popsi*, pophi*): Likewise.
142 (pushqi, pushhi): Likewise.
143 (movdi, pushdi): Likewise.
144 (zero extend DImode splitter): Likewise.
145 (adddi, minusdi splitter): Likewise.
146 (umulsidi): Likewise.
148 (mulsidi): Disable for 64bit
149 (lshift:DI/ashift:DI): Disable for 64bit.
150 (loop patterns): Likewise.
151 (call_pop, call_value_pop expanders and patterns): Likewise.
152 (prologue_get_pc): Likewise.
154 (fcmovDI pattern and splitter): Likewise.
155 (movdfcc_1_rex64): New.
157 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
159 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
160 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
161 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
162 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
163 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
164 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
165 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
166 (PUSH_ROUNDING): x86_64 rounds to 64bits.
167 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
168 (REGPARM_MAX): Set to 6 for x86_64.
169 (SSE_REGPARM_MAX): Set to 16 for x86_64.
170 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
173 * (patterns that does use upper halves): Update constraints
174 'q' to 'Q' and 'r' to 'R'.
175 (cmpqi_ext_1): Disable for 64bit.
176 (cmpqi_ext_3_insn): Likewise.
177 (movqi_extzv_1): Likewsie.
178 (addqi_ext_1): Liekwsie
179 (testqi_ext_1): Liekwsie
180 (andqi_ext_1): Liekwsie
181 (xorqi_ext_1): Liekwsie
182 (cmpqi_ext_1_rex64): New.
183 (cmpqi_ext_3_insn_rex64): Likewise.
184 (movqi_extzv_1_rex64): Likewsie.
185 (addqi_ext_1_rex64): Liekwsie
186 (testqi_ext_1_rex64): Liekwsie
187 (andqi_ext_1_rex64): Liekwsie
188 (xorqi_ext_1_rex64): Liekwsie
190 2001-03-11 Zack Weinberg <zackw@stanford.edu>
192 * configure.in: Move check for unsigned enumerated bitfields
193 to macro in aclocal.m4. Disable it for now.
194 * configure, config.in: Regenerate.
195 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
196 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
197 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
198 kind above its first use.
200 * config/xm-interix.h, config/alpha/xm-alpha.h,
201 config/i370/xm-linux.h, config/i386/xm-beos.h,
202 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
203 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
204 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
205 Don't define ONLY_INT_FIELDS under any circumstances.
207 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
209 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
210 config/sparc/xm-sysv4.h: Delete - now identical with some
212 * config.gcc (hppa targets): Replace xm-pahpux.h and
213 xm-papro.h with implicit xm-pa.h.
214 (sparc targets): Replace xm-sysv4.h with implicit or explicit
217 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
219 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
220 before reload_cse_noop_set_p.
222 2001-03-11 Zack Weinberg <zackw@stanford.edu>
224 * config.gcc: Where xm-host.h used to include another
225 xm-host.h, list the nested header directly in xm_file. Remove
226 references to deleted files. Can now use sparc/xm-sp64.h for
229 * config/xm-linux.h, config/arm/xm-linux.h,
230 config/i386/xm-dos.h, config/i386/xm-gnu.h,
231 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
232 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
233 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
234 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
237 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
238 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
239 bother to wrap #undef in #ifdef.
240 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
241 Don't include xm-linux.h.
242 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
244 * configure.in: Wrap regexps using [] in changequote block.
245 Use expr : not echo | grep. Simplify regexps.
246 * configure: Regenerate.
248 56 xm-files remain, 22 xm-arch.
250 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
252 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
253 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
254 (local_index, local_rindex): Delete, use strchr/strrchr instead.
255 (copy_object): Fix format specifier vs argument mismatch.
257 * mips-tdump.c: Make local functions static.
258 (rindex): Don't #undef.
259 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
260 (fatal, fancy_abort): Delete.
261 (read_seek): Avoid signed/unsigned compare.
263 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
265 * combine.c (try_combine): Fix error in change to try original
267 (gen_rtx_combine): Do same as gen_rtx for now.
269 2001-03-11 Zack Weinberg <zackw@stanford.edu>
271 * configure.in: AC_SUBST xm_defines.
272 * configure: Regenerate.
273 * Makefile.in: Set DEFINES=$(xm_defines) when building
276 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
278 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
279 (cpp_included, find_include_file): Update.
280 (_cpp_compare_file_date): Make else unconditional.
282 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
284 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
286 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
288 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
289 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
291 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
293 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
294 if it's a record type.
296 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
298 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
299 mingw includes slightly.
301 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
303 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
304 #undef token before poisoning it.
306 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
308 * alpha.c (check_float_value): Use memcpy, not bcopy.
310 * m32r.c (m32r_sched_reorder): Likewise.
312 * vax.c (check_float_value): Likewise.
314 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
316 * toplev.c (file_name_nondirectory): Remove.
317 * toplev.h: Similarly.
318 * dwarf2out.c (compute_section_prefix): Use lbasename instead
319 of file_name_nondirectory.
321 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
323 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
324 * mips-tfile.c: Don't #undef rindex; not used.
326 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
328 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
329 (dbx64_register_map): Declare.
330 (RETURN_ADDR_RTX): Fix for 64bit.
331 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
332 (INCOMING_FRAME_SP_OFFSET): Set to 8.
333 * i386.c (dbx64_register_map): New global array.
334 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
335 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
338 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
340 * cppfiles.c (search_from): Use lbasename.
341 * mkdeps.c (deps_add_default_target): Use lbasename.
343 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
345 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
346 xcalloc in lieu of malloc, realloc & calloc.
348 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
350 * gengenrtl.c (xmalloc): Likewise.
352 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
353 really_call_* memory allocation routines.
355 * stmt.c (check_for_full_enumeration_handling): Use
356 really_call_calloc, not calloc.
358 * system.h (really_call_malloc, really_call_calloc,
359 really_call_realloc): Define.
360 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
362 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
364 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
366 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
368 * configure: Rebuilt.
369 * configure.in: Only use `lang_requires' for languages athat are
372 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
374 * invoke.texi: Fix typo.
377 2001-03-09 Zack Weinberg <zackw@stanford.edu>
379 * configure.in: Prune nonexistent files from build_xm_file,
380 xm_file, and host_xm_file lists. Warn unless they're
382 Don't generate *config.h here.
383 AC_SUBST all variables needed to generate *config.h.
384 * configure: Regenerate.
385 * mkconfig.sh: New helper script, from code removed from
387 * Makefile.in: Zap all MALLOC variables - no longer used
388 anywhere, and malloc.c doesn't exist.
389 Substitute in variables needed to generate *config.h.
390 Stop lying about the dependencies contained in CONFIG_H and
392 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
393 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
394 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
395 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
396 $(TM_P_H), etc. as appropriate.
398 * config.gcc: Zap references to deleted files.
399 * ggc-none.c: Don't include rtl.h or tm_p.h.
401 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
402 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
403 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
404 config/i386/xm-linux.h, config/i386/xm-linux.h,
405 config/i386/xm-next.h, config/i386/xm-openbsd.h,
406 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
407 Don't include i386/xm-i386.h.
409 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
410 config/i386/xm-i386.h, config/i860/xm-i860.h,
411 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
412 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
413 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
414 Delete (empty except comments, #includes of other deleted
415 files, and macros used nowhere).
417 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
419 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
420 independent on TARGET_FLAGS.
422 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
424 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
426 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
428 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
430 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
431 LAST_REX_SSE_REG): define.
432 (enum reg_class): Add 'LEGACY_REGS'
433 (REG_CLASS_CONTENTS): Likewise; add extended registers.
434 (SSE_REGNO_P): Recognize extended registers.
435 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
436 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
437 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
438 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
439 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
440 REG_OK_FOR_STRREG_P): Remove.
441 (HI_REGISTER_NAMES): Add extended registers.
442 (ADDITIONAL_REGISTER_NAMES): Likewise.
443 (QI_REGISTER_NAMES): Add 8bit extended registers.
444 (DEBUG_REG): Support extended registers.
445 * i386.c (regclass_map): Add extended registers.
446 (dbx_register-map): Likewise.
447 (svr4_dbx_register_map): Likewise.
448 (print_reg): Support extended registers.
449 (print_operand): Support 64bit operands.
451 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
453 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
454 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
455 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
456 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
457 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
458 STACK_BOUNDARY): Set properly for 64bits.
459 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
460 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
461 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
462 (MOVE_MAX): Set to 16.
463 (MOVE_MAX_PIECES): 8 for 64bit.
464 (Pmode): Set to SImode.
466 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
468 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
470 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
472 * i386.h (mask_64bit): New constant.
473 (target_64bit): New macro.
474 (target_options): Add '64'/'32'
475 (target_default): Define.
476 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
477 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
478 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
480 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
482 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
484 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
486 * rtlanal.c (rtx_varies_p): Check operand 0 of a
487 LO_SUM unless for_alias is set.
489 2001-03-08 Stan Shebs <shebs@apple.com>
491 * objc/objc-act.c: Fix old typos in comments, add comments for
493 (hash_init): Fix file name in error message.
495 (hash_add_attr): Ditto.
496 (continue_class): Ditto.
498 2001-03-08 Bruce Korb <bkorb@gnu.org>
500 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
501 wait4() can receive the signal.
503 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
505 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
507 * fixinc/fixincl.x: Regenerate.
509 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
511 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
513 * fixinc/fixincl.x: Regenerate.
515 2001-03-08 Richard Henderson <rth@redhat.com>
517 * configure.in (HAVE_AS_LEB128): New assembler check.
518 * configure, config.in: Rebuilt.
520 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
522 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
525 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
527 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
528 references to the MAXPATHLEN macro.
530 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
531 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
534 * config/i386/xm-gnu.h, config/xm-gnu.h,
535 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
536 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
537 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
540 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
541 doing so in various xm-*.h files.
543 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
545 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
547 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
549 * configure.in (enable_shared): Support per-package shared-library
551 * configure: Rebuilt.
553 2001-03-07 David Edelsohn <edelsohn@gnu.org>
555 * rs6000.md (cr logic): Add original POWER mnemonic alternative
556 for crnot. Set operands[5] in splitter.
558 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
560 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
561 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
562 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
563 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
564 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
565 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
566 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
569 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
570 config/i370/xm-i370.h, config/i386/xm-dgux.h,
571 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
572 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
573 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
574 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
575 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
576 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
577 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
578 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
579 Delete unused and/or empty files.
581 * config.gcc: Define USG in xm_defines as appropriate. Define
582 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
583 macro. Remove deleted xm-* files from $xm_files variable.
585 2001-03-07 Tom Tromey <tromey@redhat.com>
587 * configure: Rebuilt.
588 * configure.in: Allow config-lang.in to set `lang_requires' to list
589 of other required languages.
591 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
593 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
595 (output_prologue): Use xmalloc not oballoc.
596 (output_epilog): Free a29k_first_epilogue_insn when finished.
597 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
599 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
601 * builtins.c (expand_builtin_mathfn): Check
602 flag_unsafe_math_optimizations, not flag_fast_math.
603 (expand_builtin): Likewise
604 * combine.c (combine_simplify_rtx): Likewise.
605 (simplify_if_then_else): Likewise.
606 * cse.c (fold_rtx): Likewise.
607 * flags.h: Remove flag_fast_math. Add
608 flag_unsafe_math_optimizations and flag_trapping_math.
609 * fold-const.c (negate_expr): Check
610 flag_unsafe_math_optimizations, not flag_fast_math.
611 (invert_truthvalue): Likewise.
612 (fold): Likewise. Before associating operands, check that
613 code == MULT_EXPR, not code != MULT_EXPR.
614 * ifcvt.c (noce_try_minmax): Check
615 flag_unsafe_math_optimizations, not flag_fast_math.
616 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
617 * invoke.texi: Document -funsafe-math-optimizations and
618 -fno-trapping-math. Change documentation for -ffast-math.
619 * jump.c (reversed_comparison_code_parts): Likewise.
620 (rtx_equal_for_thread_p): Likewise.
621 * optabs.c (emit_conditional_move): Likewise.
622 * simplify-rtx.c (simplify_binary_operation): Likewise.
623 (simplify_relational_operation): Likewise.
624 (simplify_ternary_operation): Likewise.
625 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
626 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
627 Add trapping-math and unsafe-math-optimizations entries to f_options.
628 (set_fast_math_flags): New, sets flags for -ffast-math.
629 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
630 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
631 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
633 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
634 (alpha_emit_conditional_move): Initialize local_fast_math to
635 flag_unsafe_math_optimizations, not flat_fast_math.
636 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
637 instead of setting flag_fast_math to 1.
638 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
640 * config/i386/i386.c (override_options): Likewise
641 * config/i386/i386.md: Likewise.
642 * config/m68k/m68k.md: Likewise.
643 * config/mips/mips.md: Likewise.
644 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
645 (rs6000_generate_compare): Likewise.
647 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
649 * Makefile.in: Set RANLIB to @RANLIB@.
652 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
654 * fixinc/inclhack.def (djgpp_wchar_h): New test.
655 * fixinc/fixincl.x: Regenerated.
657 2001-03-07 Richard Henderson <rth@redhat.com>
659 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
661 2001-03-07 Richard Henderson <rth@redhat.com>
663 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
664 of block notes and exception handling notes.
666 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
667 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
668 (compile_file): ... here.
670 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
672 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
674 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
675 config.h now. Include libiberty.h to handle alloca.
677 2001-03-06 Zack Weinberg <zackw@stanford.edu>
679 * c-parse.in (yylexname): New function, split out of _yylex.
680 (objc_rid_sans_at): New table.
681 (init_reswords): Initialize it.
682 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
683 retrieving the next token and checking it for significance as
684 an ObjC keyword or string constant.
686 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
687 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
689 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
692 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
694 * config/m68k/m68k.c (const_uint32_operand): Accept any
695 const_int on a 32-bit host.
697 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
699 * objc/objc-act.c (init_objc): Set save_lang_status,
700 restore_lang_status, and mark_lang_status.
702 2001-03-06 Krister Walfridsson <cato@df.lth.se>
704 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
706 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
708 * cppinternals.texi: Update.
710 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
712 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
713 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
714 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
715 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
716 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
717 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
718 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
719 config/i386/xm-i386.h, config/i860/xm-i860.h,
720 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
721 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
722 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
723 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
724 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
725 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
726 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
727 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
728 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
729 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
730 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
731 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
732 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
733 match the defaults provided in hwint.h.
735 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
736 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
738 * config.gcc (xm_file): Don't set to files which are deleted.
740 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
741 guard this file against these macros being undefined.
743 2001-03-06 Zack Weinberg <zackw@stanford.edu>
745 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
746 and DECL_DEFER_OUTPUT on the decl we create, before calling
747 rest_of_decl_compilation.
749 2001-03-06 Zack Weinberg <zackw@stanford.edu>
751 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
753 * configure, config.in: Regenerate.
754 * config.gcc: Remove references to deleted files.
756 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
757 genrecog.c, rtl.c: Do not use alloca anywhere.
759 * Makefile.in, build-make, system.h, config/x-interix,
760 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
761 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
762 config/arc/xm-arc.h, config/arm/xm-arm.h,
763 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
764 config/h8300/xm-h8300.h, config/i370/x-oe,
765 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
766 config/i386/x-ncr3000, config/i386/x-sco5,
767 config/i386/xm-dgux.h, config/i860/x-sysv4,
768 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
769 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
770 config/m68k/x-hp320g, config/m69k/x-mot3300,
771 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
772 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
773 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
774 config/m88k/x-sysv4, config/m88k/x-tekXD88,
775 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
776 config/mips/x-iris, config/mips/x-iris3,
777 config/mips/x-sni-svr4, config/mips/x-sysv,
778 config/mips/xm-iris6.h, config/mips/xm-mips.h,
779 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
780 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
781 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
782 config/pa/xm-papro.h, config/romp/xm-romp.h,
783 config/rs6000/x-aix31, config/rs6000/x-aix41,
784 config/rs6000/x-beos, config/rs6000/x-lynx,
785 config/rs6000/x-mach, config/rs6000/x-rs6000,
786 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
787 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
788 config/sparc/x-sysv4, config/sparc/xm-linux.h,
789 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
790 config/vax/xm-vms.h: Eradicate all references to alloca and
793 * config/xm-alloca.h, config/clipper/x-clix,
794 config/i386/xm-sysv4.h, config/i860/x-fx2800,
795 config/i860/x-sysv3, config/m88k/x-sysv3,
796 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
797 (contained only alloca related hacks).
799 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
802 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
804 * invoke.texi: Document __FAST_MATH__.
806 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
808 * crtstuff.c: Restore include of auto-host.h.
810 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
812 Put main() in a separate file, so that the language
813 front-end can use a different main().
816 * toplev.c: (main): Rename as toplev_main.
817 * toplev.h: Declare toplev_main.
818 * Makefile.in (OBJS): add toplev.o.
819 (BACKEND): remove toplev.o, add main.o.
821 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
823 * cppfiles.c (search_from): Special case the empty string.
825 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
827 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
828 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
829 strlen or strcpy; we already know the length.
830 (_cpp_compare_file_date): Similarly.
831 * cpphash.h (struct cpp_reader): Delete done_initialising.
832 (CPP_PREV_BUFFER): Delete.
833 * cppinit.c (cpp_start_read): Don't set done_initialising.
834 * cpplex.c (parse_string): Guarantee null-termination.
835 (_cpp_equiv_toklists): Remove.
836 * cpplib.c (glue_header_name): Null-terminate.
837 (do_line): Don't leak memory.
838 * cpplib.h (BT_WEAK): Delete.
839 * cppmain.c (cb_ident): Strings are now null-terminated.
841 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
843 * gcc.c (convert_filename): Append executable suffix
844 if NO_AUTO_EXE_SUFFIX is not defined.
845 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
846 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
848 2001-03-03 David O'Brien <obrien@FreeBSD.org>
850 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
851 * c-parse.gperf, c-gperf.h: Delete.
852 (c-gperf.h was accidently re-added to the CVS repo in the rev
853 1.16 commit by tromey)
855 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
857 * cpplex.c (_cpp_lex_token): Don't warn about directives in
858 macro arguments when looking for the '('.
859 * cppmacro.c (funlike_invocation_p): Set parsing_args to
860 2 when really parsing arguments; 1 when looking for '('.
861 Always restore the lexer position.
863 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
865 * longlong.h (umul_ppmm): Don't use a multiline string.
867 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
869 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
870 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
871 t_bool in declaration because pcc can't combine volatile with typedef
874 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
876 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
877 until when it is really needed.
878 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
879 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
880 * i386.md (float?i?f splitter): Don't force source operand to memory
882 (sse_movdfcc): Fix constraint.
883 (sse_movdfcc splitter): Handle properly the second alternative.
885 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
887 * cpplex.c (parse_string): Unconditionally pedwarn.
889 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
892 * cppexp.c (parse_number): Update.
893 * cpplex.c (parse_string): Pedwarn if multiline string does not
894 result from a system header's macro.
895 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
896 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
897 for function-like macros too.
898 * c-lex.c (lex_number): Update.
900 2001-03-03 Richard Henderson <rth@redhat.com>
902 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
904 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
906 * combine.c (try_combine): If split with mode-changed scratch
907 register didn't work, try the original mode.
909 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
911 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
912 * config/c4x/c4x.h: Likewise.
913 * stor-layout.c (compute_record_mode): Likewise.
914 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
916 2001-03-02 Zack Weinberg <zackw@stanford.edu>
918 * configure.in: Kill tm.h. Include the files in the $tm_file
919 list in all three of config.h, hconfig.h, tconfig.h, after the
920 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
921 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
922 * configure: Regenerate.
923 * Makefile.in (clean): Don't delete tm.h.
925 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
926 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
927 those are not defined, set SEC and FEC to 0 and 1.
928 * gcc.texi: Update to match.
930 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
931 * config/fp-bit.c, config/m68k/aux-crt2.asm,
932 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
933 Include tconfig.h, not tm.h.
935 * config/xm-lynx.h, config/xm-std32.h,
936 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
937 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
938 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
939 config/clipper/xm-clix.h, config/convex/xm-convex.h,
940 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
941 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
942 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
943 config/i386/xm-i386.h, config/i860/xm-i860.h,
944 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
945 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
946 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
947 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
948 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
949 config/pa/xm-linux.h, config/pa/xm-pa.h,
950 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
951 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
952 config/pj/xm-pj.h, config/romp/xm-romp.h,
953 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
954 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
955 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
956 config/v850/xm-v850.h, config/vax/xm-vax.h,
957 config/we32k/xm-we32k.h:
959 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
961 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
962 config/i370/xm-oe.h: Don't include tm.h. Don't define
964 * config/vax/xm-vms.h: Don't include tm.h.
966 * config/xm-lynx.h, config/avr/xm-avr.h,
967 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
968 Delete; made empty by above changes.
969 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
970 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
971 Don't include config/xm-lynx.h or tm.h.
973 * config/xm-gnu.h: Don't include fcntl.h.
974 * config/sparc/xm-lynx.h: Don't include sys/types.h and
976 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
978 2001-03-02 Richard Henderson <rth@redhat.com>
980 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
981 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
983 2001-03-02 Richard Henderson <rth@redhat.com>
985 * Makefile.in (OBJS): Add dwarf2asm.o.
986 * dwarf2asm.c, dwarf2asm.h: New files.
987 * dwarf2out.c (*): Use them.
988 (size_of_uleb128, size_of_sleb128): Remove.
989 (output_uleb128, output_sleb128): Remove.
990 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
991 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
992 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
993 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
994 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
995 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
996 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
997 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
998 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
999 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1000 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1001 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1002 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1003 (dwarf2out_frame_debug): Remove unused variables.
1004 (output_loc_operands): Don't abort on 8 byte constants if
1005 host integers are wide enough.
1006 (output_symbolic_ref): Remove.
1007 (size_of_die): Don't assume 4 byte host integers.
1008 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1010 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1011 something stupid with HOST_WIDE_INT to long truncation.
1012 [CONST_DOUBLE]: Likewise.
1014 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1015 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1016 * config/arm/unknown-elf.h: Likewise.
1017 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1018 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1019 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1020 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1021 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1022 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1023 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1024 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1025 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1026 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1027 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1028 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1030 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1032 * cselib.c (hash_rtx): Cast enums to unsigned int.
1034 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1036 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1037 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1039 * c-format.c (C_STD_VER): Cast to int for comparisons.
1040 (check_function_format): Cast various enums to int for &.
1041 (maybe_read_dollar_number): Likewise.
1042 (check_format_info): Likewise.
1043 (check_format_info_main): Likewise.
1044 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1045 (safe_from_p): Likewise.
1046 * varasm.c (const_hash): Cast enum to int for %.
1047 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1048 pcc enum problems with < and ++ operators.
1049 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1050 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1051 (regclass_init): Change enum class to int to iterate over reg_classes.
1052 * genrecog.c (merge_trees): Cast enums for comparison.
1053 * rtl.h (GET_CODE): Cast to enum rtx_code.
1054 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1055 (GET_MODE): Cast to enum machine_mode.
1056 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1057 (GET_NOTE_INSN_NAME): Cast enum to int.
1058 * tree.h (TREE_CODE): Cast to enum tree_code.
1059 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1060 * timevar.c (timevar_print): Change loop variable id from enum to
1062 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1063 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1064 * toplev.c (compile_file): Cast enum DFI to int.
1065 (decode_d_option): Likewise.
1067 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1069 * cppinit.c (append_include_chain): Mark "after" include file name list
1070 as a system directory.
1071 * cpp.texi: Document new behavior.
1073 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1075 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1077 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1079 * cppfiles.c (struct include_file): Update.
1080 (stack_include_file): Use search_from.
1081 (cpp_included, find_include_file): Update.
1082 (cpp_execute_include): Update. ptr->name may not be
1083 null terminated. Use the new search_from member variable
1085 (_cpp_compare_file_date): Similarly.
1086 (search_from): New function, similiar to actual_directory.
1087 (actual_directory): Delete.
1088 (remap_filename): Update. loc->name may not be null terminated.
1089 (struct file_name_list): Rename search_path. Update.
1090 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1091 search_from and dir.
1092 (struct cpp_reader): Remove actual_dirs.
1093 * cppinit.c (struct cpp_pending): Update for renamed objects.
1094 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1095 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1096 * cpplib.h (struct cpp_options): Similarly.
1098 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1100 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1101 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1102 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1103 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1104 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1105 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1106 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1107 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1108 config/i370/xm-oe.h, config/i386/xm-aix.h,
1109 config/i386/xm-i386.h, config/i386/xm-osf.h,
1110 config/i860/xm-i860.h, config/i960/xm-i960.h,
1111 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1112 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1113 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1114 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1115 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1116 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1117 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1118 config/pj/xm-pj.h, config/romp/xm-romp.h,
1119 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1120 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1121 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1122 config/v850/xm-v850.h, config/vax/xm-vax.h,
1123 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1124 Do not define TRUE or FALSE.
1126 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1127 empty by above change.
1128 * config.gcc: Remove references to these files.
1130 * configure.in: Detect stdbool.h.
1131 * configure, config.in: Regenerate.
1132 * system.h: Include stddef.h here if available.
1133 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1134 Then set up a sensible boolean type at the very end.
1136 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1137 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1139 * hash.h: Delete 'boolean' typedef and related #undefs.
1141 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1142 all uses of 'boolean' with 'bool'.
1144 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1146 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1147 * cppexp.c (lex): Cast enums for comparison.
1148 * cppinit.c (parse_option): Cast enum for comparison.
1149 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1150 (cpp_output_token): Likewise.
1151 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1152 (cpp_avoid_paste): Cast enums for minus and comparison.
1154 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1156 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1157 field to all array elements.
1159 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1161 * cpphash.h (struct cpp_reader): Add print_version field.
1162 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1163 just set print_version and other flags as appropriate.
1164 (cpp_post_options): Print version here if print_version is set.
1166 * toplev.c (exit_after_options): New flag.
1167 (independent_decode_option): Don't exit here; just set
1169 (main): Exit after calling lang_hooks.post_options if
1170 exit_after_options is true.
1172 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1173 (merge_include_chains): Adjust comment to match code.
1175 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1177 * stringpool.c (set_identifier): New function.
1178 * tree.h: Prototype it.
1180 * c-parse.in: Kill D_YES. If compiled for objc, call
1181 save_and_forget_protocol_qualifiers from init_reswords.
1182 * objc/objc-act.c (remember_protocol_qualifiers,
1183 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1184 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1186 (save_and_forget_protocol_qualifiers): New function.
1187 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1189 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1191 * c-semantics.c (prune_unused_decls): Return error_mark_node
1192 instead of (tree) 1 to stop traversing the tree chain.
1194 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1196 Fix a problem introduced by Kenner's Feb 18 change.
1197 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1198 flag_cse_skip_blocks only temporarily, not for ever.
1200 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1202 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1203 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1205 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1206 before determining its register class.
1208 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1210 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1211 from reg 4 if current_function_calls_setjmp.
1212 (gen_nop_type): New function.
1213 (ia64_emit_nops): New function.
1214 (ia64_reorg): Call it.
1215 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1217 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1218 code not to try to optimize adds with anything but a REG destination.
1220 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1221 (INSN_PRIORITY_KNOWN): New accessor macro.
1222 * haifa-sched.c (priority): Use it instead of testing priority against
1225 2001-02-28 DJ Delorie <dj@redhat.com>
1227 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1228 since that doesn't work the way gcc wants on a generic m68k.
1230 2001-02-28 Richard Henderson <rth@redhat.com>
1232 * caller-save.c (save_call_clobbered_regs): Fix typo in
1233 comparison last change.
1235 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1237 * i386.c (pentium4_cost): New.
1238 (m_PENT4): New macro.
1239 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1240 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1241 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1242 x86_memory_mismatch_stall): Add Pentium4
1243 (x86_use_q_reg, x86_use_any_reg): Kill.
1244 (override_options): Add pentium4.
1245 (incdec_operand): Return 0 for pentium4.
1246 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1247 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1248 (TARGET_PENTIUM4): Define.
1249 (enum processor_type): Add PROCESSOR_PENTIUM4.
1250 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1251 * i386.md (attribute "cpu"): Add pentium4.
1252 * invoke.texi (march): Add pentium4.
1254 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1256 * i386.md (sse_mov?fcc*): New patterns and splitters.
1257 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1258 the SSE based conditional moves.
1260 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1262 * i386.md (attribute mode): Add "TI".
1263 (movsf_1): Add pxor support; remove constant propagation splitter.
1264 (movdf_integer): Likewise.
1265 (movdf_nointeger): Likewise.
1266 (movxf constant prop splitter): Handle all modes; update for SSE.
1267 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1268 * i386.c (standard_80387_constant_p): Rewrite.
1269 (standard_sse_constant_p): New.
1270 * i386-protos.h (standard_sse_constant_p): New.
1272 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1274 * i386.md (sse_setccsf, sse_setccdf): New.
1275 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1277 * i386.c (sse_comparison_operator): Accept the supported unordered
1278 comparses; be ready for fast_math.
1279 (print_operand): Support 'D'.
1281 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1283 * jump.c (reversed_comparison_code): Kill.
1285 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1287 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1290 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1292 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1293 add missing '%' in constraints.
1295 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1297 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1298 for HOST_BITS_PER_WIDE_INT == 32 too.
1300 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1302 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1304 (insert_save, insert_restore): New parameter save_mode.
1305 (init_caller_save): Update initialization of reg_save_code
1306 and reg_restore_code.
1307 (save_call_clobbered_regs): Compute save_modes and update calls to
1308 reg_save_code and reg_restore_code.
1309 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1310 of spill; update use of reg_restore_code.
1311 (insert_save): Likewise.
1312 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1313 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1314 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1316 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1318 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1319 noce_try_store_flag_inc, noce_try_store_flag_mask,
1320 noce_try_cmove_arith):
1321 Use reversed_comparison_code instead of reverse_comparison and
1322 can_reverse_comparison_p.
1324 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1326 * jump.c (reversed_comparison_code_parts): Allow reversal of
1327 unordered compares in -ffast-math mode; reverse ordered compares
1328 for FP even w/o -ffast-math.
1330 2001-02-27 Richard Henderson <rth@redhat.com>
1332 * print-rtl.c (print_rtx) [i]: Don't print field five on
1333 NOTEs other than NOTE_INSN_DELETED_LABEL.
1335 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1337 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1338 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1340 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1342 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1343 even if walk_subtrees is 0.
1344 * c-semantics.c (prune_unused_decls): Return a non-null value to
1345 stop traversing the tree chain.
1347 2001-02-27 DJ Delorie <dj@redhat.com>
1349 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1350 register, *then* define it as the new CFA.
1352 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1354 * pa.c (override_options): Promote -fpic to -fPIC.
1355 (legitimize_pic_address): Simplify due to removal of
1356 small PIC as a code generation option.
1357 (secondary_reload_class): Similarly.
1358 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1359 (PRINT_OPERAND_ADDRESS): Similarly.
1360 * pa.md (various patterns): Similarly.
1361 (small pic lo_sum pattern): Remove.
1363 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1366 * md.texi (min, max): Document
1368 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1370 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1371 TARGET_PARTIAL_REG_DEPENDENCY.
1372 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1374 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1376 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1378 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1380 * mips.c (mips_make_temp_file): Fix thinko in last change.
1382 2001-02-26 Jason Eckhardt <jle@redhat.com>
1384 * combine.c (known_cond): Do not reverse the condition when
1385 SMAX/UMAX is being considered and the condition is for equality
1388 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1390 2001-02-26 Philip Blundell <philb@gnu.org>
1392 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1394 * config/arm/linux-elf.h: Remove historical relics related to
1395 above configurations.
1396 * config/arm/linux-oldld.h: Delete.
1397 * config/arm/linux-elf26.h: Delete.
1399 2001-02-26 Jason Merrill <jason@redhat.com>
1401 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1403 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1404 recognize a tentative definition. Lose obsolete code.
1406 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1407 variables unless necessary, either.
1409 2001-02-25 Richard Henderson <rth@redhat.com>
1411 * ifcvt.c (struct noce_if_info): Add test_bb.
1412 (noce_get_alt_condition): New.
1413 (noce_try_minmax, noce_try_abs): New.
1414 (noce_operand_ok): New.
1415 (noce_process_if_block): Use them.
1416 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1418 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1420 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1423 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1425 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1426 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1428 (mips_asm_file_end): Free temp_filename here.
1430 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1432 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1433 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1435 * config/i386/i386.md (movstrsi): Handle FAIL case.
1437 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1439 * cppinit.c (builtin_array): Update.
1440 (init_builtins): Flag builtins to warn if redefined or
1441 undefined. Define __GXX_WEAK as a normal macro.
1442 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1443 * cpplib.h (NODE_WARN): New flag.
1444 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1445 Handle __STDC__ as a builtin only on Solaris.
1446 (warn_of_redefinition): Renamed from check_macro_definition.
1447 Reverse sense of test. Always warn if NODE_WARN.
1448 (_cpp_create_definition): Use warn_of_redefinition. Flag
1449 any macro beginning with "__STDC_" to require a mandatory
1450 warning if redefined or undefined.
1452 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1454 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1455 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1456 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1457 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1458 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1459 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1460 Don't define any of:
1461 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1462 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1463 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1464 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1465 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1467 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1468 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1471 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1472 Delete now-empty file.
1474 * alpha/vms.h: Define NEED_ATEXIT here...
1475 * alpha/xm-vms.h: ...not here.
1477 * i386/cygwin.h: Don't define PARAMS.
1478 * mips/mips.c: Don't prototype mktemp. Don't define
1479 P_tmpdir. Use make_temp_file to create temporary files.
1480 Don't be clever and delete temporary files early.
1481 * config.gcc: Drop references to deleted files. Don't define
1483 * gcc.texi: Don't mention USE_PROTOTYPES.
1485 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1487 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1488 (ix86_set_move_mem_attrs_1): Likewise.
1489 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1490 * config/i386/i386.md (movstrsi): Call it.
1492 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1494 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1495 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1496 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1497 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1499 (i750a-*-*): Error here if hosting on i750a.
1500 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1502 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1503 Remove (empty modulo comments).
1505 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1506 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1507 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1508 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1509 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1510 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1512 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1513 Remove reference to winnt.h in comment.
1514 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1516 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1518 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1519 used to set another biv.
1521 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1523 * tree.h (BLOCK_DEAD): New macro.
1524 (struct tree_block): New flag, dead_flag.
1525 * print-tree.c (print_node, case 'b'): Print missing fields.
1526 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1527 * function.c (identify_blocks): Enable test for misplaced notes.
1528 (all_blocks): Skip BLOCK_DEAD blocks.
1529 * integrate.c (integrate_decl_tree): Likewise.
1531 * errors.c (internal_error, trim_filename): New functions.
1532 (fancy_abort): Call internal_error.
1533 * errors.h (internal_error, trim_filename): New declarations.
1535 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1537 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1539 (EXTRA_CONSTRAINT): Formatting changes.
1541 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1543 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1545 2001-02-23 Per Bothner <per@bothner.com>
1547 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1548 so they can be called from java/jvspec.c.
1549 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1551 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1553 * i386.c (ix86_frame): New structure.
1554 (ix86_compute_frame_size): Kill.
1555 (ix86_compute_frame_layout): New.
1556 (ix86_save_reg): New.
1557 (ix86_can_use_return_insn_p): Use frame layout stuff.
1558 (ix86_expand_prologue): Likewise.
1559 (ix86_expand_epilogue): Likewise.
1560 (ix86_initial_elimination_offset): Likewise.
1561 (ix86_nsaved_regs): Use ix86_save_reg.
1562 (ix86_emit_save_regs): Likewise.
1564 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1566 * flow.c (find_sub_basic_blocks): New function.
1567 (split_block): Be ready for basic block introduced by CODE_LABEL.
1568 (commit_one_edge_insertion): Call find_sub_basic_block.
1570 * flow.c (make_edges): Add edge from entry for blocks starting with
1571 label having ALTERNATE_NAME
1573 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1575 * function.c (epilogue_done): Be ready for first basic block not
1576 containing PROLOGUE_END note.
1577 (reposition_prologue_and_epilogue_notes): Avoid placing
1578 PROLOGUE_END note between BASIC_BLOCK.
1580 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1582 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1584 2001-02-21 DJ Delorie <dj@redhat.com>
1586 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1587 check for current_function_has_nonlocal_goto from 1999-11-12.
1589 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1591 * diagnostic.c (trim_filename): No longer static.
1592 * toplev.h (trim_filename): Declare.
1593 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1594 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1595 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1596 (rtvec_check_failed_bounds): Likewise.
1597 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1599 * convert.c (convert_to_integer): Don't do unsigned unless result or
1600 both inputs are unsigned.
1602 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1605 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1607 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1609 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1611 * Makefile.in (resource.o): Add params.h dependence.
1612 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1613 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1614 * resource.c: Add dependence on params.h.
1615 (current_live_regs): Fix explanatory comment.
1616 (find_basic_block): Add new parameter to permit limiting search
1618 (mark_target_live_regs): Add new argument to find_basic_block call.
1619 (incr_ticks_for_insn): Likewise.
1621 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1623 * diagnostic.c (output_to_stream): Rename to
1624 output_buffer_to_stream. Loses the stream parameter.
1625 (init_output_buffer): Set diagnosic_buffer's stream.
1626 (flush_diagnostic_buffer): Adjust.
1627 (default_print_error_function): Likewise.
1628 (finish_diagnostic): Likewise.
1629 (verbatim): Likewise.
1631 * diagnostic.h (struct output_buffer): Add `stream' field.
1632 (output_buffer_attached_stream): New macro.
1634 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1636 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1637 check if either operand is divisible by C.
1638 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1639 If type is signed, consider negative numbers as well.
1641 2001-02-22 Richard Henderson <rth@redhat.com>
1643 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1644 reach .text instead of gp-relative relocs.
1645 * config/ia64/crtend.asm (.init): Likewise.
1647 2001-02-22 Andreas Jaeger <aj@suse.de>
1649 * extend.texi (C++ Attributes): Fix typo.
1651 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1653 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1654 functions, drop current_function_args_info.words test.
1655 (ia64_compute_frame_size): Mark syscall_linkage functions as
1656 using eight input registers.
1658 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1659 Bruce Korb <bkorb@gnu.org>
1661 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1662 * fixinc/README: Document how to convert sed substitutions
1663 to format style c_fix-es.
1664 * fixinc/fixincl.x: regen
1666 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1668 * gcc.c: Add comment explaining how to add a command-line option.
1669 Add title to specs language comment.
1671 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1673 * gcc.c (cc1_options): Add "-param".
1674 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1675 (option_map): Likewise.
1676 * toplev.c (display_help): Add entry for "--param".
1677 (independent_decode_option): Fix typographical error.
1679 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1680 Bernd Schmidt <bernds@redhat.com>
1681 Jan Hubicka <jh@suse.cz>
1683 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1684 (function_arg): Likewise.
1686 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1688 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1690 2001-02-21 Kazu Hirata <kazu@hxi.com>
1692 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1696 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1698 * flow.c (init_propagate_block_info): Canon address and use single_set
1699 for killing dead memory stores.
1701 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1703 * Makefile.in (reorg.o): Add params.h dependence.
1704 * params.def: Fix typographical error in comment.
1705 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1706 * params.h: Modify introductory comment.
1707 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1708 * reorg.c: Add dependence on params.h.
1709 (redundant_insn): Add parameterized throttle for search.
1710 (fill_simple_delay_slots): Add a comment explaining a variable.
1711 Move conditional out of loop, simplifying code.
1712 (fill_eager_delay_slots): Fix typographical error in comment.
1714 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1716 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1718 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1719 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1721 2001-02-21 Jason Merrill <jason@redhat.com>
1723 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1724 (struct tree_decl): Add uninlinable bitfield.
1725 * c-decl.c (duplicate_decls): Set it.
1726 * integrate.c (function_cannot_inline_p): Check it.
1728 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1729 DW_AT_MIPS_linkage_name to abstract methods.
1730 (dwarf2out_abstract_function): Emit class context before calling
1731 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1732 (gen_subprogram_die): Remove obsolete code.
1733 (gen_member_die): Don't include clones in the member list.
1734 (gen_decl_die): Emit abstract info for clone origin.
1735 * dwarfout.c (output_type): Don't include clones in the member list.
1736 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1737 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1738 DECL_ABSTRACT on a function that already has it set.
1740 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1741 (get_subprogram_die): Pass it in.
1743 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1745 * flow.c (mark_set_1): Make not_dead unsigned long. For
1746 non-pseudos, use it as a bitmask of the hard regs that
1749 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1751 * cppfiles.c: Update comments.
1752 (_cpp_read_file): Don't check for NULL filenames any more.
1753 * cppinit.c (cpp_start_read): Don't do canonicalization of
1754 in_fname and out_fname. Use the passed file name exclusively.
1755 (_cpp_handle_options): Don't treat "-" as a command line option,
1756 but as a normal filename.
1757 (_cpp_post_options): Canonicalize in_fname and out_fname.
1758 * cppmain.c (printer_init): Don't check out_fname for NULL.
1759 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1760 (init_c_lex): Update, and use "" to represent stdin to CPP.
1763 2001-02-20 Will Cohen <wcohen@redhat.com>
1765 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1766 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1767 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1770 2001-02-20 Stan Shebs <shebs@apple.com>
1772 * config/rs6000/rs6000.c (output_cbranch): Output branches
1773 on separate lines instead of using ';' to separate.
1775 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1777 * cppinit.c (set_lang): Move builtin handling to...
1778 (init_builtins): ...here.
1779 (_cpp_create_reader): Move call to set_lang.
1781 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1783 * stmt.c (expand_return): If an attempt is made to return the
1784 error_mar_node, treat the return like a return without a value.
1786 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1788 * sibcall.c (skip_copy_to_return_value): Call
1789 identify_call_return_value here, and return orig_insn if it
1790 returns zero. Hardret and softret arguments now unnecessary.
1791 (call_ends_block_p): Don't call identify_call_return_value here.
1793 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1795 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1796 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1798 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1800 * pa.c (move_operand): Accept code to load the address of a
1801 symbol out of the DLT as a valid move operand.
1802 (print_operand, case 'A'): New to handle generating a DLT
1803 reference for a LO_SUM expression.
1804 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1805 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1807 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1809 * README, cpp.texi, gcc.texi, version.c: Update version number to
1811 * cpp.1, gcov.1, gcc.1: Regenerate.
1813 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1815 * cppfiles.c (stack_include_file): Generate dependencies
1816 here, and manage include_count here too.
1817 (PRINT_THIS_DEP): Delete.
1818 (_cpp_execute_include): Do not generate dependencies here,
1819 apart from the case of a missing header. Do not manage
1821 (_cpp_read_file): Leave dependency generation to
1824 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1826 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1827 target_cpu_default. Remove dead assignment to
1830 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1832 * regclass.c (contains_reg_of_mode): Make global.
1833 (init_reg_sets): Remove contains_reg_of_mode; take into account
1834 CLASS_MAX_NREGS when looking for the proper mode.
1835 (dump_regclass): Dump only classes considered for the pseudo.
1836 (regclass): Use contains_reg_of_mode.
1838 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1840 * gcc.c (do_spec_1): 'n' for printing notices.
1841 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1843 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1845 * reg-stack.c (next_flags_user): Use current_block->end
1846 (swap_rtx_condition): Look for next user if flags don't die;
1847 give up on CALL_INSNs; use current_block->end.
1849 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1851 * sibcall.c (call_ends_block_p): New function.
1852 (optimize_sibling_and_tail_recursive_call): Use it.
1854 2001-02-18 Kazu Hirata <kazu@hxi.com>
1856 * config/h8300/h8300.md: Update copyright.
1857 (andsi3): Do not output an extra newline character.
1859 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1861 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1862 FNDECL may be unused.
1864 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1865 follow jumps after first run.
1866 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1867 it doesn't change any jumps.
1869 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1871 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1872 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1873 (mostlyclean): Corresponding changes.
1874 * rtlanal.c (hard-reg-set.h): Include.
1875 (rtx_unstable_p): Do not treat the argument pointer specially
1876 if it is not a fixed register.
1877 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1879 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1881 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1882 against last real insn in basic block.
1883 Rework to avoid gotos.
1885 * Makefile.in (gcse.o): Now includes ggc.h.
1886 * gcse.c: Include ggc.h.
1887 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1888 (try_replace_reg): Remove warning of uninitialize variable.
1889 (process_insert_insn): Call invalid_insn_p to validate insn.
1890 * recog.c (insn_invalid_p): Now global.
1891 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1892 * recog.h (insn_invalid_p): New declaration.
1894 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1896 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1897 assignments from FP constants since 'Y' output code can't handle it.
1898 (eligible_for_sibcall_delay): Likewise.
1900 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1901 Call fancy_abort directly, passing args.
1902 (print_rtl_and_abort): Now a macro, like fancy_abort.
1904 * final.c (output_operand_lossage): Use internal_error, not error.
1906 2001-02-18 Shane Nay <shane@agendacomputing.com>
1908 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1909 structure shift insns.
1911 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1913 * invoke.texi (-fsquangle): Remove documentation.
1914 (-fname-mangling-version): Likewise.
1916 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1918 * optabs.c (expand_abs): Remove reference to
1919 HAVE_contitional_arithmetic.
1920 * combine.c (simplify_set): Likewise.
1922 2001-02-18 Richard Henderson <rth@redhat.com>
1924 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1927 2001-02-18 Richard Henderson <rth@redhat.com>
1929 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1931 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1933 * reload1.c (reload_cse_simplify_set): Fix typo.
1935 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1937 * diagnostic.c (_fatal_insn): Decrement errorcount.
1939 * invoke.texi (-I): Add note avoiding use for system header files.
1941 * rtl.h (add_clobbers): Remove duplicate declaration.
1942 * recog.h (added_clobbers_hard_reg_p): New declaration.
1943 * genemit.c (struct clobber_pat): New field has_hard_reg.
1944 (gen_insn): Record if added clobbers clobber hard reg.
1945 (gen_split): Avoid unused warning if number of operands is 0.
1946 (output_added_clobbers_hard_reg_p): New function.
1949 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1951 * pa.c (hppa_expand_prologue): Simplify code storing return
1952 pointer. For large (>=8k) frames with a post_store, adjust stack
1953 pointer by 8k-64 first rather than by 64. When testing with
1954 VAL_14_BITS_P, always use the actual value rather than the value
1955 negated. Add blockage to prevent scheduling of spills before
1956 stack frame has been created.
1957 (hppa_expand_epilogue): Simplify code loading return pointer.
1958 Allow a slightly larger range for merge_sp_adjust_with_load case.
1959 When testing with VAL_14_BITS_P, always use the actual value.
1961 * pa.c (pa_adjust_insn_length): Check that block move
1962 pattern is a set before looking at operands.
1964 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1966 * fold-const.c (fold_binary_op_with_conditional_arg): New
1967 function, split out from ...
1969 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1970 conditional arms that throw exceptions.
1972 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1975 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1977 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1978 define HAVE_DECL_* to 1 to mask potential backup declarations.
1979 * configure: Regenerated.
1981 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1983 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1985 2001-02-17 Richard Henderson <rth@redhat.com>
1987 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1988 when replacing a memory load with a register.
1990 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1991 Jan Hubicka <jh@suse.cz>
1993 * recog.c (validate_replace_src_1): New.
1994 (validate_replace_src_data): Likewise.
1995 (validate_replace_src): Use note_uses.
1996 * rtl.h (note_uses): Declare.
1997 * rtlanal.c (note_uses): New.
1999 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2001 * reg-stack.c (stack_def): Make field reg unsigned.
2002 (remove_regno_note): Unsignetize parameter.
2004 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2006 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2007 shladd_operand() call.
2009 2001-02-16 Bruce Korb <bkorb@gnu.org>
2010 Rodney Brown <RodneyBrown@mynd.com>
2012 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2013 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2014 machine restrictions
2015 * fixinc/fixincl.x: regen
2017 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2019 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2021 (hash_scan_insn): Clean up calls to hash_scan_set.
2022 (compute_kill_rd): REGNO now unsigned.
2023 (try_replace_reg): Rework to use simplify_replace_rtx.
2024 (cprop_jump, cprop_cc0_jump): Likewise.
2025 (cprop_insn): Call find_reg_equal_equiv_note.
2026 Reflect changes to cprop_jump and cprop_cc0_jump.
2028 * recog.c (validate_replace_src): Replace in operands of
2029 ZERO_EXTRACT in SET_DEST.
2031 * cse.c (new_label_ref): New variable.
2032 (insert): Set it instead of recorded_label_ref.
2033 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2034 CODE_LABEL for this function, and not already in REG_LABEL note.
2036 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2038 * resource.c (mark_referenced_resources): Fix typo in introductory
2040 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2043 2001-02-16 Jason Merrill <jason@redhat.com>
2045 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2047 (gen_subprogram_die): Don't abort on seeing a second definition if
2048 the previous one was abstract. Don't replace an abstract instance
2049 in the lookup table.
2051 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2052 gen_abstract_function.
2053 * dwarf2out.h: Declare it.
2054 * toplev.c (note_outlining_of_inline_function): New fn.
2055 * toplev.h: Declare it.
2056 * integrate.c (output_inline_function): Call it.
2057 * c-decl.c (duplicate_decls): Call it when redefining an extern
2058 inline. Don't inline the new defn.
2060 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2062 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2064 * .gdbinit: Rename to gdbinit.in.
2065 * gdbinit.in: New file,
2066 * configure.in: Generate .gdbinit from gdbinit.in.
2067 * configure: Regenerated.
2068 * Makefile.in (distclean): Always remove .gdbinit.
2070 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2072 * objc/objc-act.c (start_class): Register implemented_classes with
2075 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2077 * cppfiles.c (_cpp_make_system_header): Generate a file
2080 2001-02-15 Jim Meyering <meyering@lucent.com>
2082 * Makefile.in (install-common): Don't depend on installdirs here.
2083 Instead, make each of the lang.install-common targets (e.g.,
2084 c++.install-common in cp/Make-lang.in) depend on it.
2085 (install-driver): Depend on installdirs.
2087 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2089 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2091 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2094 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2096 * invoke.texi (--param): Document.
2098 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2100 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2102 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2104 * i386.md (extendsfdf2_2): Fix constraints.
2106 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2108 * i386.md (fop_df_3 splitter): Fix operand number.
2110 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2112 * invoke.texi (-mreg-alloc): Nuke.
2113 * i386.c (ix86_reg_alloc_order, regs_allocated,
2114 order_regs_for_local_alloc): Nuke.
2115 (override_options): Kill reg_alloc code.
2116 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2117 (REG_ALLOC_ORDER): SSE goes before I387.
2118 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2119 (ix86_reg_alloc_order): Likewise.
2120 * i386-protos.h (ix86_reg_alloc_order): Kill.
2122 2001-02-14 Richard Henderson <rth@redhat.com>
2124 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2126 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2128 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2130 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2132 * i386-protos.h (ix86_memory_move_cost): Move offline.
2133 * i386.c (ix86_register_move_cost): Compute properly cost of
2134 SSE, MMX and i387 instructions.
2135 (*_cost): Add costs of SSE/MMX moves.
2136 (ix86_memory_move_cost): Move offline from ....; Likewise.
2137 * i386.h (MEMORY_MOVE_COST): .... here;
2138 (struct processor costs): Add new fields to represent costs
2141 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2143 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2144 move_cost together with Matt Kraai's fix.
2146 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2148 * Makefile.in (OBJS): Add params.o.
2150 2001-02-14 Richard Henderson <rth@redhat.com>
2151 DJ Delorie <dj@redhat.com>
2153 * jump.c (jump_optimize_1): When we delete a conditional jump
2154 preceeding a non-conditional jump to effectively the same place,
2155 make sure that the combined jump skips any clobber insns between
2158 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2160 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2162 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2164 * Makefile.in (toplev.o): Depend on params.h.
2165 (intergate.o): Likewise.
2166 (params.o): New target.
2167 * flags.h (inline_max_insns): Remove.
2168 * integrate.c: Include params.h.
2169 Use MAX_INLINE_INSNS instead of inline_max_insns.
2170 * params.c: New file.
2171 * params.h: Likewise.
2172 * params.def: Likewise.
2173 * toplev.c: Include params.h.
2174 (lang_independent_params): New variable.
2175 (decode_f_option): Use the param machinery instead of setting
2177 (independent_decode_option): Handle "--param name=value".
2178 (main): Register language-independent parameters.
2180 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2182 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2184 2001-02-14 Richard Henderson <rth@redhat.com>
2186 * regclass.c (init_reg_sets_1): Revert last two changes.
2188 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2190 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2191 (variable_size): Call put_pending_size.
2192 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2193 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2194 sizes list, put newly created SAVE_EXPR there as well.
2196 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2198 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2199 (errata_find_address_regs): load_group has only 2 entries.
2200 (errata_emit_nops): Likewise. shladd is not problematic.
2201 Clear last_group if nop was emitted.
2202 (fixup_errata): load_group has only 2 entries.
2205 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2207 * c-lex.c (lex_number): Only warn traditionally for U suffix
2208 outside system macros.
2209 * cppexp.c (parse_number): Similarly.
2210 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2211 * cppmacro.c (struct cpp_macro): New member node.
2212 (parse_args): Only warn about missing rest args if not
2214 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2215 (cpp_sys_objmacro_p): New.
2216 (_cpp_create_definition): Store the node with the macro defn.
2217 Remember if the macro is defined in a system header.
2219 2001-02-13 DJ Delorie <dj@redhat.com>
2221 * configure.in (check_languages): determine languages to check
2222 * Makefile.in (check-c++): alias for check-g++
2223 (check-f77): alias for check-g77
2224 (CHECK_TARGETS): depend on configured languages
2226 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2228 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2229 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2230 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2231 (sqrtextendsfdf2): Disable for SSE2.
2233 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2235 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2236 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2237 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2238 (sqrtextendsfdf2): Disable for SSE2.
2240 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2242 * i386.md (movsfcc_1): Support integer cmove instruction.
2243 (movdfcc_1): Likewise; new splitter.
2245 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2247 * i386.c (output_fp_compare): Support SSE.
2248 (prepare_fp_compare_args): SSE comparisons always support memory.
2249 * i386.h (TARGET_CMOVE): SSE imply cmove.
2250 * i386.md (cmp?f2): Enable for SSE too.
2251 (cmpfp_i*): Support SSE.
2253 (cmpfp_i_sse_only): New.
2254 (s*, b* fp expanters): Enable for SSE too.
2255 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2258 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2260 * regclass.c (init_reg_sets_1): Silence warning.
2262 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2264 * i386.md (sqrt?f2): Change to expander.
2265 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2267 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2269 * rtlanal.c (find_reg_equal_equiv_note): New function.
2270 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2271 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2272 * rtl.h: Add declarations for above functions.
2274 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2276 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2278 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2279 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2280 * flow.c (mark_regs_live_at_end): Likewise.
2281 (calculate_global_regs_live): Likewise.
2282 * gcse.c (compute_hash_table): Likewise.
2283 (compute_kill_rd): Likewise.
2284 * resource.c (mark_target_live_regs): Likewise.
2285 * rtl.h (INVALID_REGNUM): New macro.
2287 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2289 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2291 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2293 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2296 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2298 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2300 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2301 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2302 (fop_sf_1_sse, fop_df_1_sse): New patterns
2303 (fop_*): Disable float_extend and float patterns for SSE compilation.
2304 * i386.c (output_387_binary_op): Support SSE.
2306 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2308 * i386.md (dummy_extendsfdf2): Support SSE2
2309 (extendsfdf2): Enable if 80387 or SSE2.
2310 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2311 and no MIX_I387_SSE2
2312 (extendsfdf2_1_sse_only): New pattern.
2313 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2315 (truncdfsf2_1): Support SSE.
2316 (truncdfsf2_2): Support SSE.
2317 (truncdfsf2_2_1_sse): New pattern.
2318 (fixtruncsfsi2): Always use SSE if available.
2319 (fix_truncsfsi_sse): New pattern.
2320 (fix_truncdfsi_sse): New pattern.
2321 (floatsis?f2): Support SSE.
2322 (floatsidf2_i387): New pattern.
2323 (floatsidf2_sse): Likewise.
2325 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2327 * configure.in: Use "have_gnat" variable, not "gnat".
2328 * configure: Regenerated.
2330 * config/sparc/sparc.c (function_value): Treat all non-record
2331 aggregate types like used to treat UNION_TYPE.
2333 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2335 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2336 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2338 (MASK_MIX_SSE_I387): New.
2339 (TARGET_SSE): SSE2 imply SSE.
2340 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2341 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2342 (enum reg_class): Add new classes.
2343 (REG_CLASS_NAMES): Likewise.
2344 (REG_CLASS_CONTENTS): Likewise.
2345 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2346 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2347 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2348 (CLASS_MAX_NREGS): Use new macros.
2349 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2350 * i386.md (pushsf, movsf): Support SSE.
2351 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2352 splitters to use ANY_FP_REGNO_P.
2353 (movdf_nointeger, movdf_integer): Likewise.
2355 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2357 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2358 (try_combine): Use it.
2360 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2362 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2363 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2364 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2365 (REGISTER_MOVE_COST): Likewise.
2366 * i386-protos.h (ix86_secondary_memory_needed,
2367 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2368 * i386.c (ix86_secondary_memory_needed,
2369 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2371 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2373 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2374 (HARD_REGNO_MODE_OK): Move offline to ....
2375 * i386.c (ix86_hard_regno_mode_ok) ... here;
2376 refuse all incorrect modes.
2377 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2379 2001-02-13 Richard Henderson <rth@redhat.com>
2381 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2382 entire operator; replicate that and match_dup the operands.
2383 (cmp_ccx_arith_op_set): Likewise.
2384 (cmp_cc_arith_op_not_set): Likewise.
2385 (cmp_ccx_arith_op_not_set): Likewise.
2387 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2389 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2391 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2393 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2394 (TARGET_NO_BITFIELD_WORD): New macro.
2395 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2396 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2398 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2400 * cselib.c: New file, from simplify-rtx.c.
2401 * simplify-rtx.c: Remove cselib parts.
2402 * Makefile.in: Add cselib.o.
2404 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2406 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2407 (setup_incoming_varargs): Remove warning.
2409 * config/rs6000/rs6000.c (validate_condition_mode): When
2410 flag_fast_math, allow floating-point conditionals to be reversed.
2411 (rs6000_generate_compare): When flag_fast_math, don't generate
2412 cror operations for FP conditionals.
2414 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2416 (ASM_SPEC): Likewise.
2417 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2418 (CC1_SPEC): Likewise.
2419 (LINK_TARGET_SPEC): Likewise.
2420 (CPP_ENDIAN_SPEC): Likewise.
2421 * Makefile.in (check-consistency): New target.
2423 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2425 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2426 "return type defaults" warning for functions with return type
2428 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2429 function declarations by default rather than only when pedantic.
2431 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2433 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2436 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2438 * extend.texi (Deprecated): Deprecate new initializer lists.
2440 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2442 * mkdeps.c (deps_add_default_target): Robustify. Add
2443 basename component only.
2444 * cpp.texi (-M): Describe how default target is generated.
2445 * invoke.texi (-M): Likewise.
2447 2001-02-12 Kazu Hirata <kazu@hxi.com>
2449 * toplev.c (push_float_handler): Remove.
2450 (pop_float_handler): Remove.
2451 * toplev.h: Remove prototypes for the above functions.
2453 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2455 * c-common.c (constant_fits_type_p): New function.
2456 (convert_and_check): Use it.
2458 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2460 * Makefile.in (GXX_ABI_FLAG): Don't define.
2461 * configure.in (--enable-new-gxx-abi): Remove option.
2462 * config.in: Regenerated.
2463 * configure: Likewise.
2465 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2467 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2469 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2470 regular basic block, and arrange for all edges into it to switch
2473 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2475 * Makefile.in (distclean): Do not remove .gdbinit.
2477 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2479 * Makefile.in (gcc.o): Fix typos.
2480 (protize.o): Likewise.
2481 (unprotoize.o): Likewise.
2483 2001-02-11 Richard Henderson <rth@redhat.com>
2485 * tree.c (build1): Check for null operand in last change.
2487 2001-02-11 Richard Henderson <rth@redhat.com>
2489 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2490 (fold): Don't assume a constant isn't foldable.
2491 * tree.c (build): Set TREE_CONSTANT for an expression with no
2492 side-effects and constant operands.
2495 2001-02-10 Richard Henderson <rth@redhat.com>
2497 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2499 2001-02-10 Anthony Green <green@redhat.com>
2501 * cpp.texi (Standard Predefined): Add documentation for
2504 * c-common.c (combine_strings): Improve warning message.
2506 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2508 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2510 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2512 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2514 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2517 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2519 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2522 2001-02-09 Nick Clifton <nickc@redhat.com>
2524 * config/arm/arm.md: Change output contraint on post inc
2525 load/store multiple patterns to be a read/write contraint.
2527 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2529 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2530 .o files when using the -M options.
2532 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2533 David Edelsohn <edelsohn@gnu.org>
2535 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2536 handle DImode constants. Use one TOC entry for SImode and smaller
2537 constants, aligned properly.
2539 2001-02-08 Jason Merrill <jason@redhat.com>
2541 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2542 about the SP adjustment for saving the static chain pointer.
2543 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2544 offset when setting a temporary CFA register.
2546 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2548 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2549 powerpc-*-chorusos* .
2550 * config/rs6000/chorus.h : New file.
2551 * config/i386/chorus.h : New file.
2552 * config/sparc/chorus.h : New file.
2553 * config/sparc/t-chorus-elf : New file.
2555 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2557 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2558 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2559 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2560 (__WCHAR_TYPE__): Correct macro name.
2562 2001-02-08 Richard Henderson <rth@redhat.com>
2564 * config/i386/i386.c (ix86_frame_pointer_required): New.
2565 (ix86_setup_frame_addresses): New.
2566 (struct machine_funciton): Add accesses_prev_frame.
2567 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2568 ix86_frame_pointer_required.
2569 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2570 (SETUP_FRAME_ADDRESSES): New.
2571 * config/i386/i386-protos.h: Update.
2572 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2573 from FRAME_POINTER_REQUIRED.
2574 * config/i386/svr3gas.h: Likewise.
2575 * config/i386/sysv3.h: Likewise.
2576 * config/i386/v3gas.h: Likewise.
2578 2001-02-08 Richard Henderson <rth@redhat.com>
2580 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2581 calculation of the number of integer registers required.
2582 (function_arg_record_value): Likewise.
2584 2001-02-08 Jason Merrill <jason@redhat.com>
2586 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2587 two. Print file and line with "confused" message.
2589 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2591 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2593 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2595 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2597 * final.c (cleanup_subreg_operands): The address of a MEM can
2600 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2603 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2605 * gcc.texi (Incompatibilities): Update documentation of
2606 preprocessing numbers.
2608 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2610 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2612 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2614 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2616 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2617 * gcc.c (struct compiler): Add cpp_spec field.
2618 (input_file_compiler): New variable.
2619 (do_spec_1): Allow a particular compiler to handle `%C'
2621 (main): Store the current compiler in input_file_compiler.
2622 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2624 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2626 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2627 * cppinit.c (cpp_create_reader): Initialize them.
2628 (append_include_chain): cxx_aware arg might be unused.
2629 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2630 keywords and give them their phase 7 meaning. Pedwarn about
2631 this unless '__bool_true_false_are_defined' is defined.
2633 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2635 * lcm.c (optimize_mode_switching): Emit mode_set before the
2636 JUMP_INSN of an abnormal edge.
2638 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2640 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2641 a scheduling barrier at the end.
2643 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2645 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2647 * config/sh/sh.md (reload_outsf): Removed.
2648 (movsf_ie): Introduce constraints for FPUL loads and stores.
2649 (reload_insf): Broaden the output constraint.
2651 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2653 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2654 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2656 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2658 * final.c: Revert my previous changes.
2659 * output.h: Make profile_label_no extern.
2660 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2661 for generating label.
2663 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2665 * config/i386/djgpp.h: Add comments about standard paths.
2666 (MD_EXEC_PREFIX): Undefine before defining.
2667 (MD_STARTFILE_PREFIX): New.
2669 2001-01-30 Bruce Korb <bkorb@gnu.org>
2671 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2672 (load_file): do not rely on load_file_data() to close file pointer
2673 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2674 fixinc/inclhack.def(irix_limits_const): add test_text
2676 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2678 * cppexp.c (parse_defined): Improve diagnostics for invalid
2681 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2683 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2685 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2687 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2688 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2689 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2690 (rs6000_output_symbol_ref): New function.
2691 (output_toc): Use VTABLE_NAME_P.
2693 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2695 * print-tree.c (print_node, case PARM_DECL):
2696 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2698 * stor-layout.c (reference_types_internal): New variable.
2699 (internal_reference_types): New function.
2700 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2701 * tree.h (internal_reference_types): New declaration.
2703 * cse.c (find_best_addr): Fix typo in computing cost.
2705 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2707 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2708 and this is the sum of a pointer and a constant, we know the result
2710 (num_sign_bit_copies, case PLUS): Likewise.
2711 * explow.c (convert_memory_address): Remove opposite SUBREG.
2712 * function.c (instantiate_new_reg): New function (from common code).
2713 (instantiate_virtual_regs_1): Call it.
2714 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2715 if pointers sign- or zero-extend.
2716 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2717 If pointers extend unsigned, use inside of SUBREG.
2718 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2720 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2722 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2723 subdir of gcc_gxx_include_dir.
2724 (gcc_gxx_target_include_dir): Remove.
2726 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2728 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2729 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2730 a high-level description.
2732 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2734 * final.c: Move the declaration of profile_label_no to ...
2735 * output.h: ... here.
2736 * function.c (expand_function_start): Call PROFILE_HOOK.
2737 * config/rs6000/aix.h: Define PROFILE_HOOK.
2738 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2739 * config/rs6000/rs6000.c (output_profile_hook): Define.
2740 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2741 output_profile_hook.
2742 tm.texi : Explain new macro PROFILE_HOOK.
2744 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2746 * extend.texi (Extended Asm): Do not say that semicolon is always
2747 a valid line-breaking character for GNU assemblers. Use
2748 newline-tab as the most commonly supported syntax. Use
2749 newline-tab rather than semicolon in multi-insn examples.
2751 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2753 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2755 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2756 David Edelsohn <edelsohn@gnu.org>
2758 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2759 code for AIX, even without flag_pic.
2761 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2763 * c-typeck.c (common_type): push and pop binding level around
2764 calling common_type on function parameters.
2766 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2768 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2770 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2772 * config/mips/mips.c (override_options): Fix typo in last change.
2773 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2774 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2776 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2778 * invoke.texi (-fdump-class-layout): Document.
2779 (-fdump-translation-unit): Use `=' as filename separator.
2781 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2783 * Makefile.in (s-mlib): Don't build multilibs if
2785 (DRIVER_DEFINES): Adjust accordingly.
2787 (protoize.o): Likewise.
2788 (unprotoize.o): Likewise.
2789 * configure.in: Recognize --enable-multilib.
2791 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2793 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2795 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2796 * configure.in: Remove --enable-libstdcxx_v3 support.
2797 * configure: Regenerated.
2799 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2801 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2802 Call abort instead of fatal.
2803 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2804 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2805 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2806 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2807 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2808 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2810 * diagnostic.h (set_internal_error_function): Renamed.
2811 * toplev.h (internal_error): Renamed from fatal.
2812 (pfatal_with_name): Deleted.
2813 (fatal_io_error): Now has printf-style arguments.
2814 * diagnostic.c (pfatal_with_name): Deleted.
2815 (fatal_io_error): Rework to have args in printf-style.
2816 (set_internal_error_function): Renamed from set_fatal_function.
2817 (internal_error): Renamed from fatal.
2818 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2819 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2820 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2821 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2822 * flow.c (verify_flow_info): Likewise.
2823 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2824 * config/mips/mips.c (save_restore_insns): Likewise.
2826 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2827 * flow.c (verify_flow_info): Likewise.
2828 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2829 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2830 (avr_normalize_condition): Likewise.
2831 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2832 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2833 (limit_reload_class, double_reg_to_memory): Likewise.
2834 (print_operand_address, emit_1600_code_shift): Likewise.
2835 (gen_tst_reg, gen_compare_reg): Likewise.
2836 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2837 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2839 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2841 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2842 * objc/objc-act.c (build_ivar_chain): Likewise.
2843 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2845 * graph.c (clean_graph_dump_file): Likewise.
2846 * profile.c (init_branch_prob): Likewise.
2847 * objc/objc-act.c (objc_init): Likewise.
2849 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2850 * config/avr/avr.c (avr_override_options): Likewise.
2851 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2852 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2853 * config/h8300/h8300.c (h8300_init_once): Likewise.
2854 * config/mips/mips.c (override_options): Likewise.
2855 * config/i386/i386.c (override_options): Likewise, rework.
2856 * config/m68k/m68k.c (override_options): Likewise.
2858 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2860 * config/mips/mips.c (print_operand): Likewise.
2861 * hash.c (hash_allocate): Don't check for failure returns from
2862 obstack functions that can't fail.
2863 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2864 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2865 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2866 (get_object_reference): Likewise.
2868 2001-02-04 Nick Clifton <nickc@redhat.com>
2870 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2871 StrongARM1110, 10TDMI, and 1020T.
2873 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2875 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2877 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2879 * config/sh/sh.md (movdf load split): Pass register number to
2880 FP_OR_XD_REGISTER_P.
2882 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2884 * cppinit.c (BC): New macro.
2885 (builtin_array): Add __GXX_WEAK__.
2886 * cpplib.h (builtin_type): Add BT_WEAK.
2887 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2888 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2889 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2891 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2893 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2895 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2897 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2898 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2900 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2902 * cpphash.h: Rename ALIGN _ALIGN.
2903 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2905 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2907 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2908 compilation environment.
2909 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2910 control over location of cygwin includes and libs.
2912 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2914 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2916 2001-02-02 lars brinkhoff <lars@nocrew.org>
2918 * md.texi (Standard Names): remove reference to spur.md.
2920 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2922 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2923 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2924 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2925 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2926 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2928 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2930 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2931 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2932 number before reload.
2933 (c4x_adjust_cost): Return zero before reload.
2934 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2935 split before reload.
2937 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2939 * c4x.c (c4x_hard_regno_rename_ok): New.
2940 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2941 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2943 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2945 * diagnostic.h: Add missing "extern" in all declarations.
2947 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2949 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2950 as for gcc_gxx_include_dir.
2952 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2954 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2956 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2958 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2959 label before alignment to be used as the braf base address.
2960 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2962 (casesi_jump_2): Require at least TARGET_SH2.
2964 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2965 truncation to 32-bit doubles on -m3e and -m4-single-only.
2967 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2969 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2970 the default when building a shared object.
2971 (init_spec): Use it.
2972 * testsuite/lib/g++.exp: Include the directory where libgcc
2973 is located to the LD_LIBRARY_PATH list.
2974 * invoke.texi (-shared-libgcc): Document the cases in which
2975 GCC defaults to using the shared libgcc.
2977 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2979 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2980 unsigned is wide enough.
2982 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2983 (si_to_float): Likewise.
2984 (float_to_si, float_to_usi): Use BITS_PER_SI.
2986 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2988 * dwarf2out.c: Added explanation of abbreviations.
2989 (def_cfa_1): Added comments listing DWARF2 instructions.
2990 (cfa_temp_reg): Removed in favor of cfa_temp.
2991 (cfa_temp_value): Removed in favor of cfa_temp.
2992 (cfa_temp): New global variable.
2993 (dwarf2out_frame_debug_expr): Added extensive introductory
2994 comments explaining the function's transformations. Revised to
2995 use cfa_temp. Added some rtx checking. Generalize IOR case.
2996 (dwarf2out_frame_debug): Revised to use cfa_temp.
2997 (output_aranges): Cast as "unsigned" to avoid warning.
2998 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2999 explain which instructions must be marked.
3001 2001-02-01 Richard Henderson <rth@redhat.com>
3003 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3006 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3008 * config/sh/crt1.asm (main_k): Modified so that start calls
3009 ___setup_argv_and_call_main.
3011 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3013 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3014 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3015 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3016 * cppmacro.c (builtin_macro): Set builtin flags here.
3017 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3018 (replace_args): Clarify intent.
3019 (cpp_get_token): Macro expansion tokens get the saved flags.
3021 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3024 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3026 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3029 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3031 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3032 returns Pmode pseudo, but we need ptr_mode.
3033 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3034 Remove bogus conversions; use HOST_WIDE_INT for size.
3035 Don't use TARGET if wrong mode.
3037 * config/i386/i386.c (ix86_compute_frame_size): Allow
3038 stack_alignment_needed to be non-default even if size is zero.
3040 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3042 * (hppa_init_pic_save): Emit the pic offset table
3043 reg save after last_parm_insn.
3044 * pa.c (hppa_init_pic_save): New function.
3045 * pa.h (hppa_init_pic_save): Declare.
3046 * pa.md (call, call_value, sibcall, sibcall_value): Use
3047 the above instead of duplicated code.
3049 * pa.c (hppa_encode_label): Correct size of alloca buffer
3050 so we don't overrun it. Correct leading `*' case.
3051 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3052 need to handle `*@'.
3053 (FUNCTION_NAME_P): Likewise.
3055 2001-01-31 Richard Henderson <rth@redhat.com>
3057 * config.gcc (alpha-osf5): Use float-i128.h.
3059 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3060 * config/float-i32.h: Likewise.
3061 * config/float-i64.h: Likewise.
3062 * config/float-sh.h: Likewise.
3063 * config/float-sparc.h: Likewise.
3065 2001-01-31 DJ Delorie <dj@redhat.com>
3067 * expmed.c (extract_bit_field): allow non-integral modes if we
3068 want to extract a whole register from itself.
3070 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3072 * c-typeck.c (set_init_index): If first is equal to last, assume as
3073 if it was not a range at all.
3075 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3077 * config/fp-bit.c: Include tm.h.
3078 (float_to_si): Don't assume SImode is 32-bits wide.
3079 (float_to_usi): Likewise.
3081 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3083 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3085 (typename): Call pending_xref_error after parsing typed_typespecs.
3086 * c-decl.c (lookup_tag): Give error immediately rather than
3087 leaving it pending if the tag of the wrong type is in the same
3089 (xref_tag): Don't pedwarn for forward declarations of enum types
3091 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3094 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3096 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3098 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3100 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3101 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3103 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3105 * cpphash.h (struct cpp_reader): New saved_flags.
3106 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3107 to avoid a paste after a pasted token.
3109 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3111 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3112 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3113 Wtype_MIN instead of LONG_MIN.
3115 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3117 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3119 * fixinc/fixincl.x: Regenerated.
3120 * fixinc/inclhack.def (irix_limits_const): New definition to
3121 convert "const" to "__const" in limits.h.
3123 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3125 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3127 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3129 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3130 when register dies in the insn.
3132 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3134 * diagnostic.c (fatal): Fix word wrap.
3136 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3138 * combine.c (try_combine): Fix SUBREG setting for
3139 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3141 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3143 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3146 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3148 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3150 * toplev.c (decode_W_option): Update warn_larger_than
3151 unconditionally for each processed switch.
3153 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3155 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3157 (hppa_expand_prologue): Delete code to save pic offset table register
3158 in the function prologue.
3159 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3160 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3161 table register at the beginning of the function after the prologue.
3163 2001-01-29 lars brinkhoff <lars@nocrew.org>
3165 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3167 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3168 Jeff Law <law@redhat.com>
3170 * pa.md (return): Revise comment for trivial return.
3171 (return_internal): Non-trivial return pattern for non-PIC code.
3172 (return_internal_pic): Non-trivial return pattern for PIC code.
3173 It uses the PIC register to ensure it is restored after
3175 (epilogue): Generate appropriate return for PIC and non-PIC code.
3177 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3179 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3181 2001-01-29 DJ Delorie <dj@redhat.com>
3183 * combine.c (if_then_else_cond): Pass the correct mode to
3184 operand_subword() for constants.
3186 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3188 * config/i386/cygwin.h: Add w32api to include search. Search different
3189 directories in a cross-build environment.
3191 2001-11-29 Tim Josling <tej@melbpc.org.au>
3193 * tree.h (TYPE_STUB_DECL): Add documentation.
3195 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3197 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3198 (sdbout_field_types): Likwise. Fix use of host_integerp.
3200 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3202 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3205 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3207 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3208 to use flag_gnu_linker.
3210 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3212 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3213 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3215 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3217 * tree.c, tree.h (build_parse_node): Remove; was identical to
3219 * c-lang.c (start_cdtor), objc/objc-act.c
3220 (build_module_descriptor): Use build_nt instead of
3223 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3225 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3226 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3227 not have any upper bits set.
3229 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3231 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3233 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3235 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3237 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3239 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3240 (integer_minus_one_node): Define.
3242 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3244 * Makefile.in (bootstrap2-lean): Fix typo.
3246 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3248 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3249 : Don't set fe_value.
3250 * cpplib.h (AVOID_LPASTE): New flag.
3251 (struct cpp_hashnode): Remove fe_value.
3252 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3253 * cppmacro.c (builtin_macro): Don't set flags here.
3254 (replace_args): Set AVOID_LPASTE flag on first token of an
3255 argument, and the token following it.
3256 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3257 macro expansion, and on the token following it. Do it for
3259 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3261 2001-01-27 Richard Henderson <rth@redhat.com>
3263 * config/alpha/t-ieee: Remove multilibbing.
3264 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3266 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3268 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3270 * Makefile.in: Remove all dependencies on defaults.h.
3271 * builtins.c: Don't include defaults.h.
3272 * c-common.c: Likewise.
3273 * c-decl.c: Likewise.
3274 * c-pragma.c: Likewise.
3275 * c-typeck.c: Likewise.
3276 * combine.c: Likewise.
3278 * frame-ia64.c: Likewise.
3279 * cppexp.c: Likewise.
3280 * crtstuff.c: Likewise.
3281 * dbxout.c: Likewise.
3282 * dwarf2out.c: Likewise.
3283 * dwarfout.c: Likewise.
3284 * emit-rtl.c: Likewise.
3285 * except.c: Likewise.
3287 * final.c: Likewise.
3288 * frame-dwarf2.c: Likewise.
3289 * libgcc2.c: Likewise.
3290 * optabs.c: Likewise.
3291 * profile.c: Likewise.
3292 * sdbout.c: Likewise.
3293 * toplev.c: Likewise.
3294 * tradcif.y: Likewise.
3296 * varasm.c: Likewise.
3298 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3300 * builtins.c (expand_builtin_fputs): Use size_one_node when
3301 transforming into fwrite.
3303 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3305 * extend.texi (Attribute Syntax): New section.
3307 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3309 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3310 they didn't need fixing.
3312 2001-01-27 Janis Johnson <janis@us.ibm.com>
3314 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3316 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3317 to remove macro definitions that are duplicated from elfos.h.
3319 2001-01-27 Richard Henderson <rth@redhat.com>
3321 * config/i386/sco5gas.h: Move ...
3322 * config/usegas.h: ... here.
3323 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3325 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3327 * c-typeck.c (struct constructor_stack): Add range_stack member.
3328 (really_start_incremental_init): Clear it.
3329 (push_init_level): Save constructor_range_stack and clear it if
3330 pushing explicit braces.
3331 (pop_init_level): abort if constructor_range_stack is non-zero at
3332 explicit closing brace. Restore saved constructor_range_stack if
3335 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3337 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3338 into register was forced into memory.
3340 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3342 * Makefile.in: Remove uses of + before $(MAKE).
3344 2001-01-26 Richard Henderson <rth@redhat.com>
3346 * stmt.c (cost_table): Remove.
3347 (COST_TABLE, cost_table_initialized): New.
3348 (estimate_case_costs): Use the later instead of the former.
3349 (balance_case_nodes): Likewise.
3351 2001-01-26 Richard Henderson <rth@redhat.com>
3353 * alias.c (objects_must_conflict_p): Read-only slots may not
3354 conflict despite having the same type.
3356 2001-01-27 Michael Hayes <mhayes@redhat.com>
3358 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3360 (check_ext_dependant_givs): Initialise u_start_val and
3362 (load_mems): Make last_max_reg unsigned.
3363 (try_swap_copy_prop): Use INSN_P and initialise set.
3365 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3367 * README.AVR : Removed.
3369 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3371 * pa-64.h (text_section): Remove declaration.
3373 * pa.md (return_internal): Remove mode on PIC register use.
3375 2001-01-25 lars brinkhoff <lars@nocrew.org>
3377 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3378 ASM_CLOSE_PAREN): fix typos.
3380 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3382 * acconfig.h: Define `const' to the empty string if neither
3383 __STDC__ nor __cplusplus is defined.
3384 * config.in: Regenerated.
3386 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3388 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3389 * collect2.c (main): Delete importf. Add ".obj" file extension.
3390 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3391 (aix_std_libs): Add additional AIX libraries to skip.
3392 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3393 * config/rs6000/aix51.h: New file.
3395 2001-01-25 Michael Hayes <mhayes@redhat.com>
3397 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3398 (loop_insn_emit_before): No longer static.
3399 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3400 (loop_givs_rescan, load_mems): Likewise.
3401 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3402 (maybe_eliminate_biv_1):
3403 (move_movables): Replace emit_call_insn_before with
3404 loop_call_insn_hoist.
3405 * loop.h (loop_insn_emit_before): Add.
3406 * unroll.c (copy_loop_body): Replace emit_insn_before with
3407 loop_insn_emit_before.
3409 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3411 * diagnostic.c (fatal): Request preprocessed source.
3413 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3415 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3416 olddecl has argument types and newdecl has none, use the argument
3419 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3421 * dwarf2out.c (prefix_of): New function. Determine longest common
3422 prefix of the two arguments. The units are whole path components.
3423 (output_file_names): When adding a new directory find the one entry
3424 with the longest common prefix already in the list. Artificially
3425 generate entry if there is none for this prefix.
3426 Fix test to check whether the zeroth directory entry is used.
3428 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3430 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3431 Changed all callers. Take it into account when deciding if a
3432 previously loaded value matches.
3434 2001-01-24 Richard Henderson <rth@redhat.com>
3436 * reload.c (find_reloads_subreg_address): Fail the substitution
3437 if the resulting address is insufficiently aligned.
3439 2001-01-24 DJ Delorie <dj@redhat.com>
3441 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3442 check the original operand's mode also.
3443 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3445 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3447 * c-parse.in (cast_expr): Move compound literals from here ...
3448 (primary): ... to here. Use standard terminology "compound
3449 literal" instead of "constructor expression".
3451 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3453 * gcc.1, cpp.1: Regenerate.
3455 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3457 * calls.c (emit_library_call_value_1): Memory slot for
3458 pass-by-reference argument should have the mode of the argument,
3459 not of the pointer to it.
3461 2001-01-24 Tom Tromey <tromey@redhat.com>
3463 * gcc.texi (G++ and GCC): Mention gcj manual.
3464 (Standards): Link to section of manual mentioning gcj/Java
3467 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3469 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3470 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3471 * tradcpp.c (main): Add -imacros or -include'd dependencies
3473 * cpp.texi (-M, -MM): Document -M -include behaviour.
3475 2001-01-24 Roger Collins <roger@ProProject.com>
3477 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3479 2001-01-24 Will Cohen <wcohen@redhat.com>
3481 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3482 whether registers are 32 bits or 64 bits in size.
3484 2001-01-24 Ben Elliston <bje@redhat.com>
3486 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3488 2001-01-24 Richard Henderson <rth@redhat.com>
3490 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3491 (builtin_longjmp): Use it instead of emit_indirect_jump.
3493 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3495 * bb-reorder.c (make_reorder_chain_1): Handle case where
3496 jump edge goes to the same block as the fallthru edge.
3498 2001-01-23 Jim Wilson <wilson@redhat.com>
3500 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3501 * frame.h (__ia64_personality_v1): Add prototype.
3502 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3503 prototype form. Add void * cast to first argument to personality
3505 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3506 (asctoe113): Likewise.
3507 * config/ia64/frame-ia64.c: Include eh-common.h.
3508 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3510 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3512 (itanium_split_issue): Add prototype.
3513 (gen_nop_type): Ifdef out.
3514 (find_best_packet): Initialize best_packet.
3515 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3517 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3518 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3519 (flushrs): Add explicit stop bit at end.
3520 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3523 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3525 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3527 * libgcc2.c (__terminate_func): Make variable static.
3528 (__terminate_set_func): New function to set __terminate_func.
3529 * libgcc2.h (__terminate_func_ptr): New typedef.
3530 (__terminate_set_func): New function.
3532 2001-01-23 Richard Henderson <rth@redhat.com>
3534 * flow.c (init_propagate_block_info): Don't consider unchanging
3535 memories for dead frame store elimination.
3537 2001-01-23 Richard Henderson <rth@redhat.com>
3539 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3540 * defaults.h: ... here.
3542 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3544 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3546 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3548 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3550 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3552 * rs6000.h (rs6000_return_addr): Move prototype from here...
3553 * rs6000-protos.h (rs6000_return_addr): ...to here.
3554 (rs6000_init_expanders): Delete prototype.
3556 2001-01-23 Nick Clifton <nickc@redhat.com>
3558 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3559 (Spec Files): Document %B and %j and %. and %v3 and %M and
3560 %{S*&T} spec switches.
3562 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3564 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3566 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3567 Neil Booth <neil@daikokuya.demon.co.uk>
3569 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3570 Have -Werror make pedantic warnings errors, like the
3573 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3575 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3577 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3579 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3580 * integrate.c (expand_inline_function): Initialize them.
3581 (subst_constants): If changing COMPARE so that both its arguments
3582 will be VOIDmode and the comparison mode will be lost, note
3583 compare_mode. Use the recorded compare_mode to optimize
3586 2001-01-23 Jason Merrill <jason@redhat.com>
3588 * dwarf2out.c (new_die): Use xcalloc.
3589 (output_die): Abort rather than emit a local reference to offset 0.
3591 2001-01-17 Andrew Haley <aph@redhat.com>
3593 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3594 of a saved register; return NULL instead.
3595 (copy_reg): Take a pointer to a source register rather than a
3597 (next_stack_level): Remember the address in the stack frame of all
3599 Use the saved register pointer array as the source of the CFA.
3600 (throw_helper): Rewrite. Unwind once rather than twice and keep
3601 track of saved registers as we go.
3603 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3605 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3606 * c4x.c (c4x_legitimize_reload_address): Remove.
3607 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3608 reload address for ldp(k) insn.
3610 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3612 * pa.md (return_internal): Add a USE of the PIC register to ensure
3613 it is restored after each call.
3614 (return expander): Corresponding changes.
3616 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3618 * rs6000.h (INIT_EXPANDERS): Delete.
3619 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3620 * rs6000.c (rs6000_override_options): Call *_machine_status from
3622 (rs6000_init_expanders): ...instead of here. Delete.
3623 (rs6000_mark_machine_status): New function.
3624 (rs6000_init_machine_status): Use xcalloc.
3625 (rs6000_return_addr): Generate RTX for the return address.
3626 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3627 (rs6000_stack_info): Use it.
3629 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3631 * gthr-win32.h: Include errno.h to get a declaration for
3632 EINVAL and _mingw.h if the target is mingw32.
3634 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3636 * cpp.texi: Correct typos.
3638 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3640 * explow.c (probe_stack_range): Ensure value passed to
3641 stack_check_libfunc is ptr_mode, not Pmode.
3643 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3645 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3646 case, don't use operand_subword to calculate a SUBREG that is
3649 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3651 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3653 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3654 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3655 valid. If not replace it by equivalent insns.
3657 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3659 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3660 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3661 (c4x_U_constraint, symbolic_address_operand): Likewise.
3662 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3664 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3665 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3666 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3667 anulling slot because of silicon bug.
3668 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3670 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3672 * cppexp.c (parse_charconst): Change `mask' type to agree
3675 2001-01-21 Richard Henderson <rth@redhat.com>
3677 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3678 pic_label_name in a linkonce section.
3680 2001-01-17 Philipp Thomas <pthomas@suse.de>
3682 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3684 * configure: Regenerate.
3686 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3688 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3689 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3691 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3693 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3694 If REVERSE nonzero then condition code in X must be reversed.
3695 (encode_section_info): Optimise if/else.
3696 (avr_function_value): Fix formatting.
3698 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3699 (difficult_branch): Likewise.
3700 (rvbranch): Likewise.
3701 (difficult_rvbranch): Likewise.
3703 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3705 * config/avr/libgcc.S: Fix comment.
3707 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3709 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3711 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3713 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3715 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3717 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3718 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3719 * configure, config.in: Regenerate.
3720 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3721 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3722 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3723 (doprint.o): New rule.
3725 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3727 * c-typeck.c (digest_init): Handle boolean types as scalars.
3729 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3731 * stmt.c (expand_return): Don't return anything if size is zero.
3732 Delete redundant assignment to BYTES.
3733 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3735 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3737 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3738 the same as the default library function names.
3739 * config/avr/avr.md: Document special characters after '%'.
3740 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3741 knowing which of the call-used registers are really clobbered.
3742 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3743 New. Both quotient and remainder from one libgcc.S call.
3744 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3745 clobber as few registers as possible.
3746 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3748 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3750 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3751 context of the top of the stack.
3753 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3755 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3756 (fixup_var_refs_insns): ...here.
3758 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3760 * function.c (fixup_var_refs_insns): Break up into
3761 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3762 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3763 [loop over hash table entries].
3764 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3765 fixup_var_refs_insns_with_hash, to match above changes.
3767 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3769 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3770 (libgcc.a): Likewise.
3771 (stmp-multilib): Likewise.
3772 (STAGE2_FLAGS_TO_PASS): Likewise.
3774 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3776 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3777 temporary if no_new_pseudos.
3779 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3781 * cppinternals.texi: Update.
3783 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3785 * arm.c (arm_init_builtins): Re-enable builtins.
3787 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3789 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3790 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3791 element to be null, and always expect an EXPR_LIST.
3792 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3793 * sched-deps.c (sched_analyze_1): Likewise.
3794 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3796 * regclass.c (max_set_parallel): New variable.
3797 (reg_scan): Take it into account in computation of max_parallel.
3798 (reg_scan_mark_refs, case SET): Compute it.
3800 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3802 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3803 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3805 2001-01-19 Jason Merrill <jason@redhat.com>
3807 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3808 for the abstract instance of an inline function.
3810 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3811 J"orn Rennecke <amylaar@redhat.com>
3813 * reload1.c (move2add_note_store): Treat all registers directly or
3814 indirectly derived from a base register as members of the same set
3816 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3817 of base register into account.
3819 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3821 * alias.c (find_base_value): Recognize TRUNCATE.
3822 (record_set): In PLUS case, invalidate if other summand is also a
3825 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3827 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3828 entry to be EXPR_LIST.
3829 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3830 be an EXPR_LIST (but not null, which other code doesn't allow).
3831 (note_stores): Properly handle PARALLEL in SET.
3832 Recursively call for top-level PARALLEL.
3833 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3834 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3836 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3838 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3840 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3841 not pfile->skipping (== 0).
3843 2001-01-17 Nick Clifton <nickc@redhat.com>
3845 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3848 2001-01-17 Jim Wilson <wilson@redhat.com>
3850 * invoke.texi (IA-64 options): Improve.
3852 2001-01-17 Tom Tromey <tromey@redhat.com>
3854 * invoke.texi (Optimize Options): Use `{}' to around @samp
3857 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3859 * invoke.texi (-fno-guess-branch-probability): New option.
3861 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3863 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3864 case of making new double-word constant.
3865 Revert last change: instead just test i3_subst_into_i2.
3867 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3869 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3870 Use q constraints instead of r.
3872 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3874 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3875 (machine_function): Define.
3876 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3877 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3878 pa_free_machine_status): New functions.
3879 (override_options): Set {init,mark,free}_machine_status to above.
3880 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3881 PIC_OFFSET_TABLE_REGNUM_SAVED.
3882 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3883 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3884 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3885 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3886 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3888 2001-01-15 DJ Delorie <dj@redhat.com>
3890 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3894 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3896 * flow.c (propagate_on_insn): Make trying to delete a prologue
3897 or epilogue insn an ICE, not a warning. Allow doing this if
3898 the current function returns with stack pointer depressed.
3900 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3901 I3 having more than one SET.
3903 2001-01-16 Jim Wilson <wilson@redhat.com>
3905 * invoke.texi: Document IA-64 options.
3907 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3908 (fixup_errata): Delete TARGET_A_STEP use.
3909 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3910 (TARGET_SWITCHES): Delete -ma-step option.
3911 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3912 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3913 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3914 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3915 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3916 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3918 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3919 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3920 cmovsi_internal): Delete ! TARGET_A_STEP check.
3922 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3924 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3925 possibility to report bugs via postal mail. Change a URL and
3926 merge in a nearly duplicate statement...
3927 (Bug Reporting): ...from here.
3928 (Service): Refer to the Bug Reporting section instead of
3930 (Contributing): Remove trivial explanations concerning snapshots.
3932 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3934 * cppmain.c (general_init): Don't use ANSI prototype.
3936 2001-01-16 Tom Tromey <tromey@redhat.com>
3938 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3940 2001-01-16 Richard Henderson <rth@redhat.com>
3942 * config/i386/i386.h: Fix comment typo.
3943 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3944 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3946 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3948 * gcc.c: Revert previous -fsyntax-only-related change; move
3951 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3953 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3954 inmode after checking GET_CODE (op).
3956 2001-01-16 Richard Henderson <rth@redhat.com>
3958 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3959 (MAX_MEM_SET_LIST_LEN): New.
3960 (propagate_one_insn): Update mem_set_list_len.
3961 (invalidate_mems_from_autoinc): Likewise.
3962 (invalidate_mems_from_set): Likewise.
3963 (mark_used_regs): Likewise.
3964 (init_propagate_block_info): Likewise. Stop collecting memories
3965 when we reach MAX_MEM_SET_LIST_LEN.
3966 (mark_set_1): Likewise.
3968 2001-01-16 Richard Henderson <rth@redhat.com>
3970 * unroll.c (precondition_loop_p): Fail if no iteration
3973 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3975 * gcc.c: When -fsyntax-only is given, do not complain about
3978 2001-01-15 Richard Henderson <rth@redhat.com>
3980 * config/i386/i386.c (asm_output_function_prefix): Remove.
3981 (ix86_asm_file_end): New.
3982 (load_pic_register): Generate pic_label_name into a
3983 staticly allocated buffer.
3984 * config/i386/i386-protos.h: Update.
3985 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3986 (ASM_FILE_END): New.
3987 * config/i386/i386afe.h: New file.
3988 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3989 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3990 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3991 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3992 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3993 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3994 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3996 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3998 * Makefile.in (install-man): Remove explicit dependency on
4001 * configure.in, configure: Revert previous patch requiring perl
4004 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4006 * toplev.c (flag_guess_branch_prob): New.
4007 (f_options): Add guess-branch-probability option.
4008 (rest_of_decl_compilation): Only estimate branch probability if
4010 (main): set flag_guess_branch_prob.
4012 * flags.h (flag_guess_branch_prob): New.
4014 2001-01-15 DJ Delorie <dj@redhat.com>
4016 * gcc.texi (Makefile): Add documentation for Makefile targets.
4018 2001-01-15 Philip Blundell <philb@gnu.org>
4020 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4022 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4023 (is_pic): Delete declaration.
4024 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4025 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4026 * config/arm/arm.md (builtin_setjmp_receiver): New.
4028 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4030 * arm.c (use_return_insn): Don't try to determine the function type
4031 until after reload has completed.
4032 (arm_output_epilogue): Don't adjust the sp value recovered from the
4034 (emit_multi_reg_push): Don't record dwarf information for the pc.
4035 * arm.md (eh_epilogue): The function type may have changed, so it
4036 needs to be recalculated.
4037 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4038 unwind tables on arm/netbsd.
4040 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4042 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4043 (negated_cbranchsi4): Likewise.
4045 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4047 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4048 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4049 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4050 pass -mapcs-* options to assembler.
4051 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4052 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4053 (ASM_SPEC): Call subtarget_extra_asm_spec.
4055 2001-01-15 Andreas Jaeger <aj@suse.de>
4057 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4059 (ix86_expand_builtin): Likewise.
4061 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4062 warning about comparison between signed and unsigned.
4064 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4066 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4068 2001-01-14 Ralf Baechle <ralf@gnu.org>
4070 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4071 SUBTARGET_CPP_SPEC apropriatly.
4073 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4075 * varasm.c (make_decl_rtl): Fix typo in last change.
4077 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4079 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4080 linker supports the init_priority C++ attribute.
4081 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4082 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4083 linker does not support init_priority C++ attribute.
4085 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4087 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4089 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4091 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4092 * cp/lex.c (finish_parse): Similarly.
4093 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4094 Return the number of errors encountered.
4095 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4096 * cppmain.c (main): Don't call cpp_destroy.
4098 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4100 * configure.in: Require at least perl 5.6.0 to regenerate
4102 * configure: Regenerate.
4104 2001-01-14 Richard Henderson <rth@redhat.com>
4106 * genrecog.c (DT_veclen_ge): New.
4107 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4108 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4109 (nodes_identical_1): Handle DT_veclen_ge.
4110 (write_cond, debug_decision_2): Likewise.
4112 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4114 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4116 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4118 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4120 * cppmain.c (do_preprocessing): New function; most of the old
4122 (main): Call it to do most of the work.
4123 (cb): Move from global scope to set_callbacks ().
4124 (setup_callbacks): Get the callback pointer.
4125 (general_init, printer_init): Clean up code and comments.
4127 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4129 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4132 2001-01-14 Kazu Hirata <kazu@hxi.com>
4134 * config/h8300/h8300.c (get_shift_alg): Update comments.
4136 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4138 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4139 (alloc_page, ggc_alloc): Add casts to remove warnings.
4141 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4143 * combine.c (simplify_comparison): Don't change `code' when
4144 can't reverse comparison.
4146 2001-01-14 Richard Henderson <rth@redhat.com>
4148 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4149 update all call sites. Return true for all non-label constants.
4151 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4153 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4155 (ix86_expand_branch): Update.
4156 (ix86_expand_setcc): Update to handle multiple test conditions.
4157 (expand_int_movcc): Likewise.
4158 (expand_fp_movcc): Likewise.
4159 * i386-protos.h (ix86_expand_compare): New.
4160 * i386.md (andqi_?_slp, orqi_?_slp): New.
4161 (conditional trap expander): Update call to ix86_expand_compare.
4163 2001-01-14 Richard Henderson <rth@redhat.com>
4165 * config/vax/vax.md: Use nonimmediate_operand instead of
4166 general_operand in destinations.
4168 * config/vax/vax.md (indirect_jump): Use register_operand.
4170 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4171 * config/vax/vax.md (call_pop): Turn into an expander.
4172 (call_value_pop): Likewise.
4173 (call, call_value): New.
4175 2001-01-14 Andreas Jaeger <aj@suse.de>
4177 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4179 (ix86_fp_compare_mode): Add unused attribute.
4180 (ix86_expand_fp_movcc): Remove unused variable.
4181 (ix86_expand_builtin): Make fcode unsigned.
4183 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4184 (expand_expr): Add cast to avoid signed warning.
4185 (store_field): Likewise.
4186 (store_constructor_field): Likewise.
4187 (store_constructor): Likewise.
4188 (store_expr): Likewise.
4189 (clear_storage): Likewise.
4190 (emit_group_store): Likewise.
4191 (emit_group_load): Likewise.
4193 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4195 * c-common.c: Move format checking code to ...
4196 * c-format.c: ... here. New file. Reorder some functions and
4198 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4200 * c-common.h (decl_handle_format_attribute,
4201 decl_handle_format_arg_attribute): Declare.
4202 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4203 (c-common.o): Adjust dependencies.
4204 (c-format.o): New list of dependencies.
4206 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4208 * unroll.c (loop_iterations): If we cannot prove iteration variable
4209 is set once in each iteration, punt.
4211 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4213 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4214 (*strlenhi): Remove clobber (which was buggy) of output address.
4216 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4218 * Makefile.in (generated-manpages): Add gcc.1
4219 ($(srcdir)/gcc.1): New target.
4220 (maintainer-clean): Delete $(srcdir)/gcc.1.
4221 * gcc.texi: Add macros @gccoptlist and @gol.
4222 * invoke.texi: Include option summary in manpage. Mark up option
4223 summary with @gccoptlist and @gol. Use @r in one place where
4225 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4226 * gcc.1: Generate from invoke.texi.
4228 2001-01-13 Richard Henderson <rth@redhat.com>
4230 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4231 (struct page_entry): Add group member.
4232 (struct page_group): New.
4233 (struct globals): Add page_groups member.
4234 (alloc_anon): Only define for using mmap; remove valloc call.
4235 (page_group_index): New.
4236 (set_page_group_in_use): New.
4237 (clear_page_group_in_use): New.
4238 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4239 (free_page, release_pages): Likewise.
4240 * configure.in (with-gc): Default to ggc-page always.
4242 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4244 * reload1.c (replace_pseudos_in_call_usage): Use
4245 reg_equiv_constant and reg_equiv_address, and don't try
4246 regno_reg_rtx first.
4248 2001-01-13 Richard Henderson <rth@redhat.com>
4250 * ggc-page.c (alloc_page): Round up allocation size to one page.
4251 Set e->order on extra pages.
4253 2001-01-13 Richard Henderson <rth@redhat.com>
4255 * genrecog.c (nodes_identical): Expand commentary.
4256 (write_switch): Watch out for identical nodes.
4258 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4260 * cppfiles.c (_cpp_fake_include): New function.
4261 * cpphash.h (_cpp_fake_include): New.
4262 * cpplib.c (do_line): Call _cpp_fake_include when entering
4263 header files in preprocessed input.
4264 * cppmain.c (cb_pragma_implementation): Remove handling.
4265 (setup_callbacks): Don't register pragmas.
4267 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4269 * extend.texi: Udate for CPP.
4271 2001-01-13 Andreas Jaeger <aj@suse.de>
4273 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4275 * regmove.c: Add prototype for replace_in_call_usage.
4277 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4279 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4280 struct cpp_chunk, struct htab, struct toklist,
4281 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4282 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4283 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4284 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4285 (struct macro_args): Delete.
4286 * cpphash.h: See above.
4288 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4290 * cppmain.c (struct printer): Remove no_line_dirs.
4292 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4293 : Use options rather than CPP_OPTION.
4294 (setup_callbacks): Use cb rather than pfile->cb.
4295 (main): No need to check for a buffer. Use cpp_errors.
4296 (printer_init): Don't set no_line_dirs.
4297 (maybe_print_line): Use options not no_line_dirs.
4298 (cb_file_change): Don't call print_line if -P.
4300 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4302 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4304 * c-parse.in (finish_parse): Use cpp_errors.
4305 (__yylex): Use return value of cpp_pop_buffer.
4306 * cp/lex.c (finish_parse): Use cpp_errors.
4307 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4309 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4311 * README.AVR: URLs corrected.
4313 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4315 * c-decl.c (start_function): Don't warn if old prototype is builtin
4316 that's not in C's namespace.
4317 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4318 (_bb): Add prototype for ctime.
4319 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4321 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4323 * i386.c (ix86_fp_comparison_arithmetics_cost,
4324 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4325 ix86_fp_comparison_cost): New functions.
4326 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4327 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4328 two-branch sequences; make static.
4329 (ix86_use_fcomi_compare): Do decision according to the costs.
4330 (split_fp_branch): New.
4331 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4332 * i386-protos.h (ix86_expand_fp_compare): Remove
4333 (ix86_split_fp_branch): Declare.
4335 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4336 and ix86_comparison_operator.
4338 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4341 * i386.c (put_condition_code): Output properly the unordered/ordered
4342 compares in fp case.
4343 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4345 * tm.texi (REVERSE_CONDITION): Document.
4346 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4347 in -ffast-math mode.
4348 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4350 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4352 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4354 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4357 * config/sh/sh.c (mova_p): Fix test for mova_const.
4359 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4361 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4362 cpp_get_options rather than dereferencing pfile and using
4364 * scan-decls.c (scan_decls): Use return value of
4365 cpp_pop_buffer rather than CPP_BUFFER.
4367 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4369 * cppinit.c (cpp_handle_option): help_only is now part of the
4370 cpp_options structure.
4371 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4372 cpp_set_callbacks): New functions.
4373 * cpplib.h (cpp_callbacks): Break out as a named structure.
4374 (cpp_options): Move help_only here from cpp_reader.
4375 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4376 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4377 cpp_set_callbacks): New prototypes.
4378 * cppmain.c (main): Update for help_only.
4380 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4382 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4383 Also build and remove and install and uninstall c-tree.info and
4385 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4386 ($(srcdir)/cppinternals.info): New target.
4387 * c-tree.texi: Change file name used when makeinfo used without -o
4388 from ir.info to c-tree.info. Add info directory entry.
4389 * cppinternals.texi: Add info directory entry.
4390 * .cvsignore: Update.
4392 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4394 * c-typeck.c (store_init_value): Don't require constant initializer
4395 elements with -pedantic -std=c99.
4396 (digest_init): Change error about non-constant initializer elements
4398 (constructor_range_end): Remove.
4399 (constructor_incremental, designator_depth,
4400 designator_errorneous): New variables.
4401 (struct constructor_stack): Remove range_end, add incremental.
4402 (struct constructor_range_stack, constructor_range_stack): New.
4403 (struct initializer_stack): Add constructor_range_stack.
4404 (finish_init): Set it.
4405 (start_init): Likewise. require_constant_elements for non-static
4406 trees only if not flag_isoc99.
4407 (really_start_incremental_init): Remove constructor_range_end, add
4408 constructor_incremental.
4409 (pop_init_level): Likewise.
4410 (push_init_level): Likewise. If implicit and the subobject had some
4411 value set already, preinitialize the level with it.
4412 Warn about missing braces only if not pushing due to designators.
4413 (set_designator, push_range_stack): New functions.
4414 (set_init_label): Use them.
4415 (set_init_index): Likewise. Remove constructor_range_end.
4416 Error if designator index is outside of array bounds.
4417 (add_pending_init): Compare values of purpose index trees, not the
4418 trees themselves. Allow overwriting of already initialized element.
4419 Issue a warning if it had side-effects.
4420 (set_nonincremental_init, set_nonincremental_init_from_string): New
4422 (pending_init_member): Rename to...
4423 (find_init_member): ...this function. Call set_nonincremental_init
4424 if necessary. Compare values of purpose index trees, not the trees
4425 themselves. Return the actual value, not just non-zero if something
4427 (output_init_element): Remove checks for duplicates.
4428 If field has zero size, only check the initializer for correctness.
4429 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4430 if constructor_incremental is zero. Change error about initializers
4431 not computable at load time into pedwarn.
4432 (output_pending_init_elements): Compare bit positions, not
4433 FIELD_DECLs to take into account zero-sized fields.
4434 (process_init_element): Use constructor_range_stack to fill all
4435 ranges in the designator lists from current level up.
4436 * extend.texi: Update documentation for labeled elements.
4438 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4440 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4441 to function usage for arguments passed by reference. Optimize
4442 callee-copied arguments.
4443 * regmove.c (replace_in_call_usage): New function.
4444 (fixup_match_1): Call it.
4445 * cse.c (cse_insn): Canonicalize registers in function usage.
4446 * reload1.c (replace_pseudos_in_call_usage): New function.
4449 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4452 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4454 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4457 2001-01-12 DJ Delorie <dj@redhat.com>
4459 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4460 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4463 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4465 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4466 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4467 -std options alongside references to -ansi. Update some
4468 documentation for C99.
4469 * cpp.1: Regenerate.
4471 2001-01-12 Andreas Jaeger <aj@suse.de>
4473 * haifa-sched.c (restore_line_notes): Remove argument block B
4475 * sched-ebb.c (schedule_ebb): Change caller.
4476 * sched-rgn.c (schedule_region): Likewise.
4477 * sched-int.h (restore_line_notes): Adjust prototype.
4479 * loop.h: Remove wrong declaration of doloop_condition_get.
4481 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4483 * extend.texi: Move C++-extension-related node from the C section
4484 into the C++ section.
4486 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4488 * extend.texi: Refer to an array of pointers to functions instead
4489 of one of functions.
4491 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4492 Jan Hubicka <jh@suse.cz>
4494 * combine.c (reversed_comparison): Fix typo in last patch.
4496 (combine_reversed_comparison_code): Make static to follow
4497 prototype declaration.
4499 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4501 * install.texi: Remove misplaced duplicate entry.
4503 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4505 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4507 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4509 * final.c: (leaf_function_p): Fix typo.
4511 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4513 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4514 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4516 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4517 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4518 mmap_anon, and valloc is available.
4519 * ggc-page.c: Restructure ifdef logic to match new autoconf
4520 spec. Don't throw away the test page in init_ggc.
4522 * configure, config.in: Regenerate.
4524 2001-01-12 Michael Hayes <mhayes@redhat.com>
4526 * loop.h (total_biv_increment): Constify iv_class pointer.
4527 (struct induction): Replace `mem_mode' with `mem' rtx.
4528 * unroll.c (total_biv_increment): Constify iv_class pointer.
4529 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4530 (find_mem_givs, combine_givs_p): Likewise.
4531 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4533 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4535 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4537 (__gthread_getspecific): Ditto.
4539 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4541 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4542 put_condition_code): Convert fp comparison codes to integer
4544 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4547 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4548 * i386-protos.h (no_comparison_operator): Kill.
4550 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4552 * combine.c (REVERSIBLE_CC_MODE): Remove.
4553 (reversible_comparison_p): Remove.
4554 (combine_reversed_comparison_code): New.
4555 (reversed_comparison): New.
4556 (combine_simplify_rtx): Use
4557 combine_reversed_comparison_code/reversed_comparison instead
4558 of reversible_comparison_p.
4559 (simplify_if_then_else): Likewise.
4560 (simplify_set): Likewise.
4561 (simplify_logical): Likewise.
4562 (if_then_else_cond): Likewise.
4563 (known_cond): Likewise.
4564 (simplify_comparison): Likewise.
4566 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4568 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4569 sizeof (int) is larger than sizeof(__word__).
4571 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4573 * cppinit.c (do_includes): Fix typo.
4575 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4577 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4578 in S_REGS does not occur because not all sources are possible
4579 when a S_REGS is a destination (sometimes needs a clobber).
4580 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4581 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4582 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4583 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4584 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4585 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4586 (lshrdi_const1, lshrsi3_const16): Likewise.
4587 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4588 (*movhi_68hc12, *movqi_68hc12): Likewise.
4589 (movstrictqi): Make sure reloading in D_REGS as a destination
4592 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4594 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4596 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4598 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4599 -D, -U and -A, and don't initialize the builtins.
4600 (do_includes): Error if -include or -imacros with -fpreprocessed.
4601 * cppmain.c (cb_define, cb_undef): Unconditionally process
4603 * tradcpp.c (main): Fix typo.
4605 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4607 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4608 (read_name_map): Use IS_ABSOLUTE_PATH.
4609 * tradcpp.c (get_filename): Likewise.
4611 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4613 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4614 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4615 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4616 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4617 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4618 (cmphi_z_used): Don't use '@' for the output.
4619 (tstqi_z_used): Likewise.
4620 (cmpqi_z_used): Likewise.
4621 (one_cmplsi2): Likewise.
4623 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4625 * config/sh/sh.c (barrier_align): Recognize branch around far
4626 branch and redundant insn.
4628 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4630 * invoke.texi: Restore documentation of the drivers' switches -MD
4633 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4635 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4637 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4638 check-objc//%): Support parallel testing of multilibs.
4639 (TESTSUITEDIR): Set to testsuite by default, but override for
4641 (check-gcc, check-g++, check-g77, check-objc): Enter
4644 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4646 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4647 * sched-deps.c (deps_may_trap_p): Likewise.
4648 * basic-block.h: Remove a comment.
4649 * flow.c (PROP_POSTRELOAD): Remove.
4650 (update_life_info): Don't add it to prop_flags.
4651 (mark_set_1): Lose the code that was enabled by it.
4653 2001-01-11 Michael Hayes <mhayes@redhat.com>
4655 * flow.c (flow_call_edges_add): New.
4656 * basic_block.h (flow_call_edges_add): New.
4658 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4660 * reload1.c (move2add_note_store): Update reg_set_luid even if
4661 base reg remains the same.
4663 2001-01-10 Nick Clifton <nickc@redhat.com>
4665 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4666 machine_function structure to zero.
4667 Add prototypes for machine_status functions.
4669 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4671 * c-common.h (CTI_VOID_LIST): Remove.
4672 (void_list_node): Likewise.
4673 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4674 (void_list_node): New macro.
4675 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4676 * config/i386/i386.c (ix86_init_builtins): Likewise.
4677 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4679 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4681 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4682 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4684 * tradcpp.c: Include mkdeps.h.
4685 (deps, print_deps_phony_targets, deps_append, output_deps,
4686 init_dependency_output, output_deps): New.
4687 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4688 deps_output): Delete.
4689 (print_deps_missing_files): Rename deps_missing_files.
4690 (inhibit_output): Make global.
4691 (main): Delete inhibit_output, deps_stream, deps_target.
4692 Use mkdeps functionality in the same way as cpplib. Remove
4693 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4694 -M and -MM. Remove old handling of deps via deps_out, and
4695 old reading of environment variables.
4696 (get_filename): Update to use deps_add_dep.
4698 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4700 * output.h (make_function_rtl): Remove prototype.
4701 (make_decl_rtl): Likewise.
4702 * varasm.c (make_function_rtl): Remove.
4703 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4704 than from a third parameter.
4705 * tree.h (make_decl_rtl): Remove last parameter.
4706 * c-decl.c (builtin_function): Remove last argument in call to
4707 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4708 (start_function): Likewise.
4709 * except.c (call_get_eh_context): Likewise.
4710 * expr.c (emit_block_move): Likewise.
4711 (clear_storage): Likewise.
4712 * profile.c (output_func_start_profiler): Likewise.
4713 * toplev.c (rest_of_decl_compilation): Likewise.
4714 * objc/objc-act.c (create_builtin_decl): Likewise.
4715 (synth_module_prologue): Likewise.
4716 (generate_static_reference): Likewise.
4717 (build_selector_reference_decl): Likewise.
4718 (build_class_reference_decl): Likewise.
4719 (build_objc_string_decl): Likewise.
4720 (build_protocol_reference): Likewise.
4722 2001-01-10 Richard Henderson <rth@redhat.com>
4724 * hwint.h: Revert yesterday's change.
4726 2001-01-10 Nick Clifton <nickc@redhat.com>
4728 * function.h (save_machine_status): Delete.
4729 (restore_machine_status): Delete.
4730 Amend comment describing {init|mark|free}_machine_status.
4732 * function.c (save_machine_status): Delete.
4733 (restore_machine_status): Delete.
4734 Amend comment describing {init|mark|free}_machine_status.
4735 (push_function_context_to): Remove invocation of
4736 save_machine_status.
4737 (pop_function_context_from): Remove invocation of
4738 restore_machine_status.
4740 * emit-rtl.c (init_emit_once): Amend comment describing
4741 {init|mark|free}_machine_status.
4743 * tm.texi (Per-Function Data): New node. Describe the
4744 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4747 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4749 * cppinit.c (OPT_g): Remove.
4750 (cpp_handle_option): Update for removed -g3.
4751 (print_help): Update.
4752 * cpplib.h (struct cpp_options): Remove debug_output.
4753 * cppmain.c (setup_callbacks, cb_define): Update.
4754 * gcc.c (cpp_options): Translate -g3 to -dD.
4756 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4758 * config/i960/i960.md: Change modifier to + on the zero_extract
4759 pattern after the (rotate -2 reg) canonicalization pattern.
4761 2001-01-10 Richard Henderson <rth@redhat.com>
4763 * config/alpha/alpha.c (alpha_free_machine_status): New.
4764 (override_options): Install it.
4765 (alpha_mark_machine_status): Verify machine non-null.
4766 * config/i386/i386.c (ix86_free_machine_status): New.
4767 (override_options): Install it.
4768 (ix86_init_machine_status): Use xcalloc.
4769 (ix86_mark_machine_status): Verify machine non-null.
4770 * config/ia64/ia64.c (ia64_free_machine_status): New.
4771 (ia64_override_options): Install it.
4772 (ia64_mark_machine_status): Verify machine non-null.
4774 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4776 * function.c (instantiate_virtual_regs): Instantiate virtual
4777 registers found in CALL_INSN_FUNCTION_USAGE.
4779 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4781 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4782 equivalent to -ansi in disabling -Di386.
4784 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4786 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4788 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4790 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4792 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4794 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4796 * invoke.texi: Document that -fcond-mismatch isn't supported for
4799 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4801 * gcc.texi: Define macro gcctabopt.
4802 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4803 @command, @env and @option in some places where appropriate. Use
4804 @gcctabopt where appropriate. Put URLs and email addresses inside
4807 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4809 * gcc.c (cpp_options): Set MD file name from output
4810 filename, if specified.
4811 (suffix_subst): New static variable.
4812 (do_spec): Clear it.
4813 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4815 (give_switch): Handle suffix_subst.
4817 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4819 * invoke.texi: Fix another typo.
4821 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4823 * invoke.texi: Fix typo.
4825 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4827 * c-lang.c (lang_hooks): Update.
4828 (lang_decode_option): Remove.
4829 (lang_init_options): Rename c_init_options.
4830 * toplev.c (main): Use lang_hooks for lang_init_options
4831 and lang_decode_option.
4832 * toplev.h (lang_hooks): Add 2 new hooks.
4833 * tree.h: Remove lang_init_options and lang_decode_option.
4834 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4835 * cp/decl2.c: Similarly.
4836 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4837 (lang_hooks): Update.
4838 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4840 (lang_init_options): Rename ffe_init_options.
4841 (lang_hooks): Update.
4842 (lang_decode_option): Remove.
4843 * java/lang.c (lang_init_options): Rename java_init_options.
4844 (lang_decode_option): Rename java_decode_option.
4845 (lang_hooks): Update.
4846 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4847 (lang_decode_option): Rename objc_decode_option.
4848 (lang_hooks): Update.
4850 2001-01-09 Nick Clifton <nickc@redhat.com>
4852 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4853 (d30v_return_addr_rtx): Delete.
4854 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4855 cfun->machine structure.
4856 (struct machine_function): Move to d30v.h
4857 (d30v_save_machine_status): Delete.
4858 (d30v_restore_machine_status): Delete.
4859 (d30v_init_machine_status): New Function.
4860 (d30v_mark_machine_status): New Function.
4861 (d30v_free_machine_status): New Function.
4862 (d30v_init_expanders): Use new functions.
4863 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4864 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4865 d30v_return_addr_rtx.
4867 * config/d30v/d30v.h (struct_machine): Move here.
4868 Add eh_epilogue_sp_ofs field.
4870 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4871 field in cfun->machine structure.
4873 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4875 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4876 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4877 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4879 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4881 * objc/lang-options.h: Remove bogus reference to
4884 2001-01-09 Kazu Hirata <kazu@hxi.com>
4886 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4889 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4891 * reload.c (find_reloads_address): Check for eliminable registers
4892 when substituting a constant expression for a pseudo.
4894 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4896 * c-common.c (enum format_type): Add format_type_error.
4897 (decode_format_type): New function.
4898 (decl_attributes): Use it.
4899 (format_kind_info): Adjust comment.
4901 2001-01-09 David O'Brien <obrien@BSDi.com>
4903 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4904 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4906 * config/i386/gnu.h: Don't include required platform specific .h files,
4907 tm.h will do it instead.
4908 * config/i386/i386elf.h: Likewise.
4909 * config/i386/linux.h: Likewise.
4910 * config/i386/moss.h: Likewise.
4911 * config/mips/gnu.h: Likewise.
4913 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4915 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4916 (rs6000-ibm-aix3.[01]*): Likewise.
4917 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4918 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4919 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4920 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4921 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4922 (powerpc-*-eabiaix*): Likewise.
4923 (powerpc-*-eabisim*): Likewise.
4924 (powerpc-*-elf*): Likewise.
4925 (powerpc-*-eabi*): Likewise.
4926 (powerpc-*-rtems*): Likewise.
4927 (powerpc-*-linux*libc1): Likewise.
4928 (powerpc-*-linux*): Likewise.
4929 (powerpc-wrs-vxworks*): Likewise.
4930 (powerpcle-wrs-vxworks*): Likewise.
4931 (powerpcle-*-sysv*): Likewise.
4932 (powerpcle-*-elf*): Likewise.
4933 (powerpcle-*-eabisim*): Likewise.
4934 (powerpcle-*-eabi*): Likewise.
4935 (powerpcle-*-solaris2*): Likewise.
4936 * config/rs6000/aix31.h: Delete includes.
4937 * config/rs6000/aix3newas.h: Likewise.
4938 * config/rs6000/aix41.h: Likewise.
4939 * config/rs6000/aix43.h: Likewise.
4940 * config/rs6000/beos.h: Likewise.
4941 * config/rs6000/rtems.h: Likewise.
4942 * config/rs6000/sysv4.h: Likewise.
4944 2001-01-09 Kazu Hirata <kazu@hxi.com>
4946 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4947 Change an argument mode of machine_mode to shift_mode of
4948 shift_mode. Remove an extra error check.
4949 (emit_a_shift): Adopt to the new calling prototype of
4951 (function_prologue): Fix code for a monitor
4952 function. Support H8/S.
4953 (function_epilogue): Do not output pop for a monitor function.
4955 2001-01-09 Nick Clifton <nickc@redhat.com>
4957 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4958 (setup_incoming_varargs): Use sysv_varargs_p field of the
4959 cfun->machine structure.
4960 (struct machine_function): Move to rs6000.h
4961 (rs6000_save_machine_status): Delete.
4962 (rs6000_restore_machine_status): Delete.
4963 (rs6000_init_machine_status): New Function.
4964 (rs6000_free_machine_status): New Function.
4965 (rs6000_init_expanders): Use new functions.
4967 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4969 (struct machine_function): Move here.
4971 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4972 sysv_varargs_p field of the cfun->machine structure.
4974 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4976 (rs6000_restore_machine_status): Remove prototype.
4978 2001-01-09 Richard Henderson <rth@redhat.com>
4980 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4981 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4982 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4983 (sched_analyze_2, sched_analyze_insn): Likewise.
4984 (sched_analyze, init_deps): Likewise.
4985 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4986 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4987 (compute_block_backward_dependences): Update propagate_deps call.
4989 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4991 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4993 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4995 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4996 (cpp_handle_option): Handle them.
4997 (cpp_post_options): Ensure one of -M or -MM is specified with
4998 any other -M? option.
4999 (init_dependency_output): Suppress output with -MG.
5001 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5004 * invoke.texi: Update.
5006 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5008 * sh.md (reload_outsf): Generate recognizable patterns for
5011 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5013 * c-lang.c (lang_hooks): Update.
5014 (lang_init): Rename c_init.
5015 (lang_finish): Remove.
5016 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5018 * toplev.h (lang_hooks): Add init () and finish ().
5019 * tree.h (lang_init, lang_finish): Remove.
5020 * cp/tree.h (lang_init, lang_finish): Remove.
5021 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5022 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5024 (lang_init, lang_finish): Remove.
5025 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5026 (lang_hooks): Update.
5027 * java/lang.c (lang_init): Rename java_init.
5028 (lang_finish): Remove.
5029 (lang_hooks): Update.
5030 * objc/objc-act.c (lang_init): Rename objc_init.
5031 (lang_finish): Remove.
5032 (lang_hoooks): Update.
5034 20001-01-09 Graham Stott <grahams@redhat.com>
5036 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5037 after `ptr` is initialised.
5039 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5041 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5042 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5043 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5044 stack adjusts, instead of r3.
5046 2001-01-09 Michael Hayes <mhayes@redhat.com>
5048 * flow.c (flow_loop_scan): Break out of ...
5049 (flow_loops_find) ... here.
5050 * basic-block.h (flow_loop_scan): New.
5051 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5052 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5054 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5056 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5058 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5059 realloc()ing macro_buffer.
5061 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5062 if it's wider than long and the target's long is wider than the
5065 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5067 Remove support for using UWIN as a host machine.
5068 * configure.in: Issue an error message.
5069 * configure: Regenerated.
5070 * config.gcc: Remove xm_* UWIN configury.
5071 * config/i386/xm-uwin.h: Remove.
5073 2001-01-08 Nick Clifton <nickc@redhat.com>
5075 * config/v850/v850.c (ra_rtx): Delete.
5076 (v850_save_machine_status): Delete.
5077 (v850_restore_machine_status): Delete.
5078 (v850_init_machine_status): New function.
5079 (v850_mark_machine_status): New function.
5080 (v850_free_machine_status): New function.
5081 (v850_return_addr): Use ra_rtx field in machine structure.
5082 (v850_init_expanders): Use new functions.
5084 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5085 * config/v850/v850.c: Change arguments to v850_output+* functions
5086 to take a const char *, to avoid compile time warning.
5087 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5088 (USER_LABEL_PREFIX): Redefine.
5090 2000-01-08 Jim Wilson <wilson@redhat.com>
5092 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5093 1 to unsigned HOST_WIDE_INT before left shift.
5095 2001-01-08 Nick Clifton <nickc@redhat.com>
5097 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5098 the machine structure has been allocated.
5099 (arm_free_machine_status): New function: Free the machine
5100 specific function structure.
5102 2001-01-08 Richard Henderson <rth@redhat.com>
5104 * jump.c (simplejump_p): Revert last change.
5106 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5108 * cppinit.c (init): Rename init_library.
5109 (cpp_create_reader): Update.
5110 * gcc.c (cpp_options): If -o given, use it as the target of
5113 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5115 * arm.c (arm_arch5e): New variable.
5116 (all_cores): XScale is a 5TE device.
5117 (arm_override_options): Set arm_arch5e.
5118 (arm_init_builtins): __builtin_prefetch is in arch5e.
5119 * arm.h (arm_arch5e): Declare it.
5121 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5123 * arm.md (define_constants): Add defines for UNSPEC and
5124 UNSPEC_VOLATILE insns. Update all users.
5125 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5126 * arm.c (multi_register_push, note_invalid_constants)
5127 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5128 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5129 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5131 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5133 * jump.c (jump_optimize_1): Use reversed_comparison_code
5134 instead of can_reverse_comparison_p.
5135 (jump_back_p): Likewise.
5136 (invert_exp_1): Likewise.
5137 (thread_jumps): Likewise.
5138 * simplify-rtx.c (simplify_unary_operation): Likewise.
5139 (simplify_ternary_operation): Likewise.
5140 * cse.c (find_comparison_args): Convert to use
5141 can_reverse_comparison_p.
5142 (record_jump_equiv): Likewise.
5144 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5146 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5147 (EPILOGUE_USES): Define.
5148 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5149 automatically stack the LR if it isn't live.
5151 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5153 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5156 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5158 * ggc-page.c (max_alignment): New structure.
5159 (MAX_ALIGNMENT): New macro.
5160 (init_ggc): Use it to round up the sizes in the
5161 extra_order_size_table.
5163 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5165 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5168 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5170 * builtins.def (BUILT_IN_FPRINTF): New entry.
5172 * c-common.c (c_expand_builtin_fprintf): New function.
5173 (init_function_format_info): Handle __builtin_fprintf.
5174 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5175 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5177 * c-decl.c (duplicate_decls): Adjust comment.
5179 * extend.texi (fprintf): Document new builtin.
5181 2001-01-07 Richard Henderson <rth@redhat.com>
5183 * jump.c (simplejump_p): Recognize any single_set jump
5186 2001-01-07 Richard Henderson <rth@redhat.com>
5188 * configure.in (slibdir): Accept an --with-slibdir option.
5189 Use "test" not "[" in configure. Default to $(libdir).
5191 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5193 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5194 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5195 (SHLIB_LINK): Create links for the soname.
5196 * config/mips/t-iris6: Likewise.
5197 * config/sparc/t-slibgcc: Likewise.
5198 * config/sparc/t-slibgcc-sld: Likewise.
5200 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5202 * config/i386/i386.c (constant_call_address_operand): Accept
5203 (const (plus (symbol_ref) (const_int))).
5204 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5205 constant_call_address_operand.
5207 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5209 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5210 and LONG_LONG_TYPE_SIZE > 32.
5212 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5214 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5215 the previous change.
5217 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5219 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5221 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5222 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5223 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5226 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5228 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5230 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5232 * c-lang.c (c_post_options): Call cpp_post_options.
5233 * objc/objc-act.c (objc_post_options): Similarly.
5234 * cppmain.c (main): Similarly.
5235 * fix-header.c (read_scan_file): Similarly.
5236 * cppinit.c (cpp_start_read): Move option consistency checks
5237 to cpp_post_options. Don't call init_dependency_output.
5238 If needed, add default target and main file dependency.
5239 (OPT_MD, OPT_MMD): Remove.
5241 (cpp_handle_option): Update for OPT_* changes.
5242 (cpp_post_options): New.
5243 (init_dependency_output): Command line -MF overrides environment
5244 variables. Don't set default target etc. Suppress output
5245 if dependencies are going to stdout.
5246 (print_help): Update.
5247 * cpplib.h (cpp_post_options): New.
5248 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5250 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5252 * jump.c (comparison_dominates_p): Support unordered compares.
5254 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5256 * simplify-rtx.c (simplify_relational_operation): Always simplify
5257 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5260 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5262 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5263 (nonzero_bits): Likewise.
5264 (simplify_comparison): Likewise.
5265 (num_sign_bit_copies): Likewise; return more sane value depending
5266 on STORE_FLAG_VALUE.
5267 (known_cond): Do not assume EQ to be always true for equivalent
5270 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5272 * cse.c (fold_rtx): Handle unordered comparisons.
5274 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5276 * rtlanal.c (set_of_1): New static function.
5277 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5278 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5279 reg_set_last_last_regno): Remove.
5280 (set_of): New global function.
5281 (set_of_data): New structure.
5282 (reg_set_p, reg_set_last): Revamp for set_of.
5283 * rtl.h (set_of): New.
5285 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5287 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5288 * extend.texi: Document _Exit builtin.
5290 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5292 * (initialize, initialize_builtins,
5293 initialize_dependency_output, initialize_standard_includes):
5294 Rename s/initialize/init. Update.
5295 (init_dependency_output): Move to after
5296 cpp_handle_options, the correct location temporally at least.
5297 (opt_comp): Move next to init (), its caller. Fix prototype.
5298 (init): Make "initialized" local scope.
5299 (cpp_create_reader): Always call init ().
5300 (cpp_start_read): Update.
5301 (output_deps): New function, broken out of cpp_finish.
5302 (cpp_finish): Break out output_deps.
5304 2001-01-07 Richard Henderson <rth@redhat.com>
5306 * collect2.c (COFF specific stuff): Revert 12-06 patch
5307 to prototype system functions.
5309 2001-01-07 Michael Hayes <mhayes@redhat.com>
5311 * hard-reg-set.h: Add multiple include guard.
5312 * basic-block.h (struct loop): Add `sink' field.
5313 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5314 (emit_iv_add_mult): Delete.
5315 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5316 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5317 (unroll_loop): Remove end_insert_before argument.
5318 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5319 (maybe_eliminate_biv_1): Likewise.
5320 (emit_iv_add_mult): Delete.
5321 (gen_add_mult, loop_regs_update): New.
5322 (loop_insn_emit_after, loop_insn_emit_before): New.
5323 (loop_insn_sink, loop_insn_sink_or_swim): New.
5324 (emit_iv_add_mult): Delete.
5325 (scan_loop): Set loop->sink.
5326 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5327 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5328 (maybe_eliminate_biv_1): Likewise.
5329 (maybe_eliminate_biv_1): Add basic block argument.
5330 * unroll.c (unroll_loop): Remove end_insert_before argument.
5331 (find_splittable_regs): Likewise.
5332 (find_splittable_regs): Use loop_insn_sink and its ilk.
5333 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5335 2001-01-07 Michael Hayes <mhayes@redhat.com>
5337 * loop.h (loop_insn_hoist): New prototype.
5338 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5339 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5340 (check_dbra_loop, load_mems): Likewise.
5341 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5342 (find_splittable_givs): Likewise.
5344 2001-01-07 Michael Hayes <mhayes@redhat.com>
5346 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5348 2001-01-07 Richard Henderson <rth@redhat.com>
5350 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5352 2001-01-07 Richard Henderson <rth@redhat.com>
5354 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5355 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5356 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5357 variant that handles a shared libgcc.
5358 (process_command): Always validate -{static,shared}-libgcc.
5359 (do_spec_1): New 'M' case.
5360 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5362 2001-01-07 Richard Henderson <rth@redhat.com>
5364 * Makefile.in (slibdir): New variable.
5365 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5366 (installdirs): Create slibdir.
5367 (install-libgcc, install-multilib): Defer to libgcc.mk.
5368 * configure.in (slibdir): Substitute.
5369 * mklibgcc.in (install): New target.
5371 * config/t-linux (SHLIB_LINK): Create links for the soname.
5372 (SHLIB_INSTALL): New.
5373 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5374 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5375 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5376 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5377 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5379 2001-01-07 Richard Henderson <rth@redhat.com>
5381 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5382 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5383 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5385 2001-01-07 Michael Hayes <mhayes@redhat.com>
5387 * loop.c (count_loop_regs_set): Delete.
5388 (load_mems_and_recount_loop_regs_set): Delete.
5389 (loop_regs_scan): Merge common code from count_loop_regs_set,
5390 scan_loop, and load_mems_and_recount_loop_regs_set.
5391 (scan_loop): Call load_mems directly and loop_regs_scan
5392 again if new registers created.
5394 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5396 * toplev.c (main): Call the front-end specific post_options
5397 hook if one is given.
5398 * toplev.h (struct_lang_hooks, lang_hooks): New.
5399 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5400 for the C front end.
5401 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5402 lang_hooks for the C++ front end.
5403 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5404 lang_hooks for the ObjC front end.
5405 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5406 * java/lang.c (lang_hooks): Hooks for the Java front end.
5408 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5410 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5411 for verbose DWARF[2] debugging.
5412 (cb_define, cb_undef): The new callbacks.
5413 * toplev.h (debug_define, debug_undef): Make const correct.
5414 * toplev.c (debug_define, debug_undef): Similarly. Do not
5415 perform the verbosity tests here anymore.
5417 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5419 * reload.c (subst_reloads): Take INSN argument. When
5420 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5421 * reload.h (subst_reloads): Adjust prototype.
5422 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5423 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5424 present in JUMP_INSNs and copy them to JUMP_LABEL.
5425 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5426 JUMP_INSNs and insns with REG_LABELs that are followed by
5427 JUMP_INSNs with the same REG_LABEL.
5428 * sched-rgn.c (is_cfg_nonregular): Likewise.
5429 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5431 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5433 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5435 2001-01-06 Richard Henderson <rth@redhat.com>
5437 * loop.c (scan_loop): Use xcalloc for the regs array.
5438 (load_mems_and_recount_loop_regs_set): Zero the new memory
5439 received from xrealloc.
5441 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5443 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5445 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5447 * integrate.c (copy_rtx_and_substitute): When copying
5448 an ignored return value, strip REG_FUNCTION_VALUE_P.
5450 2001-01-06 Michael Hayes <mhayes@redhat.com>
5452 * loop.c (debug_biv, debug_giv): New.
5453 (loop_biv_dump): Break out from ...
5454 (record_biv): ... here.
5455 (loop_giv_dump): Break out from ...
5456 (record_giv): ... here.
5457 (loop_bivs_check): Use print_simple_rtl.
5458 * unroll.c (loop_iterations): Use print_simple_rtl.
5460 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5462 * pa.md (return, return_internal): Modify patterns to prevent regrename
5463 mucking with the return pointer.
5465 2001-01-05 Richard Henderson <rth@redhat.com>
5467 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5469 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5471 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5472 version supplied by Matteo Frigo.
5474 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5476 * cpp.texi: Update for -MQ.
5477 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5478 (cpp_cleanup): Always free pfile->deps.
5479 (initialize_dependency_output): Don't create pfile->deps.
5480 (cpp_handle_option): Similarly.
5482 * gcc.c (cpp_options): Handle -MQ.
5483 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5484 * mkdeps.c (base_name): Remove.
5485 (deps_init): Don't allocate vector space until it's needed.
5486 (deps_free): Only free vectors if allocated.
5487 (deps_add_target, deps_add_dep): Update for initial allocation.
5488 (deps_add_default_target): Don't strip to the base_name.
5490 2001-01-05 DJ Delorie <dj@redhat.com>
5492 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5493 (INIT_EXPANDERS): Define.
5495 * config/v850/v850.c (struct machine_function): Define.
5496 (v850_save_machine_status): New function.
5497 (v850_restore_machine_status): New function.
5498 (v850_return_addr): New function.
5499 (v850_init_expanders): New function.
5501 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5502 and v850_init_expanders.
5504 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5506 * cpplib.h (struct cpp_reader): Add help_only field.
5507 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5508 (cpp_handle_option): Set pfile->help_only if we see -h,
5509 --help, -target-help, or --version. Print version string but
5510 do not set help_only if we see -v or -version. Make text
5511 printed by -v match that printed by (-)-version.
5513 * cppmain.c (main): Exit after option parsing if
5514 pfile->help_only is true.
5516 * toplev.c (independent_decode_option): Call print_version,
5517 then exit, if we see --version (but not -version).
5518 (print_version): Split lengthy message into two lines.
5520 2001-01-05 Nick Clifton <nickc@redhat.com>
5522 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5523 temporary string for initialisation before calling ggc_alloc_string.
5525 2001-01-06 Michael Hayes <mhayes@redhat.com>
5527 * rtl.h (print_simple_rtl): New.
5528 * print-rtl.c (print_simple_rtl): New.
5530 (print_rtx): Disable printing of flags and modes, etc.,
5531 if `flag_simple` nonzero.
5533 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5535 * function.c (fixup_var_refs): Use push_to_full_sequence where
5538 2001-01-05 Michael Meissner <meissner@redhat.com>
5540 * flags.h (flag_reorder_blocks): Add declaration.
5541 (flag_rename_block): Ditto.
5543 2001-01-05 DJ Delorie <dj@redhat.com>
5545 * function.c (reorder_blocks): Make sure the flags are all reset
5546 before using them to mark blocks, else a second invocation will
5547 corrupt the block chain.
5548 (reorder_blocks_0): New, resets the flags.
5550 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5552 * cse.c (find_comparison_args): Stop if the argument is known to
5555 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5557 * config/sh/sh.md (movdf): When splitting load into pair of
5558 registers, don't clobber the register used in the address too
5561 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5563 * varasm.c (mark_constant_pool): Improve initial comments.
5564 (mark_constants): Move marking of constants to mark_constant.
5565 (mark_constant): New function to recursively mark all constants
5566 referred to by a constant.
5568 2001-01-05 Catherine Moore <clm@redhat.com>
5570 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5572 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5574 * cp/lang-options.h: Bring comment in line with reality.
5575 * f/lang-options.h: Likewise.
5576 * java/lang-options.h: Likewise.
5577 * objc/lang-options.h: Likewise.
5578 * ch/lang-options.h: Likewise.
5579 * f/g77.texi: And update the manual.
5581 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5582 Denis Chertykov <denisc@overta.ru>
5584 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5585 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5586 * config/avr/avr.md (all peepholes that request a scratch register):
5587 Call it, FAIL the peephole if not safe (in interrupt functions).
5589 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5591 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5593 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5595 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5597 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5598 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5599 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5600 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5601 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5603 * extend.texi: Document these builtins.
5605 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5607 * c-common.c (lang_get_alias_set): Say we know nothing of
5608 VECTOR_TYPE aliasing.
5610 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5612 2001-01-05 Bruce Korb <bkorb@gnu.org>
5614 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5615 their x* equivalent versions for atexit-less systems
5616 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5617 systems (or any other system any more).
5619 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5621 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5622 output operands. Use arm_hard_register_operand for operand 4.
5623 (stmsi_postinc): Similarly.
5624 (ldmsi): Use arm_hard_register_operand for opernand 2.
5626 * arm.c (arm_hard_register_operand): New function.
5627 * arm-protos.h (arm_hard_register_operand): Prototype it.
5629 * arm.h (HARD_REGNO_RENAME_OK): Define.
5631 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5633 * simplify-rtx.c (cfc_args): add "unordered" field.
5634 (check_fold_consts): Set unordered field.
5635 (simplify_relational_operation): Simplify the unordered
5638 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5641 * emit-rtl.c (try_split): Fix code to mark labels.
5642 * jump.c (mark_jump_label): Make global.
5643 * rtl.h (mark_jump_label): Declare.
5645 * predict.c (estimate_probability): Handle unordred comparisons.
5647 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5649 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5650 * cppinit.c (initialize_dependency_output): Update.
5651 (cpp_finish): Output dummy targets for -MP.
5653 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5654 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5655 * gcc.c (cpp_options): Update to handle -MP.
5656 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5657 to quote only the default target.
5658 (deps_phony_targets): Insert a preceding newline. Rename from
5659 deps_dummy_targets for consistency.
5662 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5664 * calls.c (emit_library_call_value_1): Support
5665 INIT_CUMULATIVE_LIBCALL_ARGS.
5666 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5668 2001-01-04 Richard Henderson <rth@redhat.com>
5670 * c-decl.c (finish_struct): Detect flexible array members
5671 used in an inappropriate context.
5672 * c-typeck.c (really_start_incremental_init): Special case
5673 constructor_max_index for zero length arrays.
5674 (pop_init_level): Allow initialization of flexible array
5675 members. Deprecate initialization of zero length arrays.
5676 Don't issue missing initializer warning for flexible array
5677 members or zero length arrays.
5678 (process_init_element): Don't dereference null DECL_SIZE.
5679 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5680 Don't abort for empty constructors. Use size_binop
5681 (output_constructor): Add commentary regarding zero length
5682 array futures. Abort if we try to initialize an array of
5683 unspecified length with a non-empty constructor in the middle
5686 * extend.texi (Zero Length): Update and clarify documentation
5687 on static initialization.
5689 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5691 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5692 with more than 32767 words of local storage.
5694 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5696 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5697 for 'abs', 'labs', and 'fabs'.
5698 (c4x_expand_builtin): Likewise.
5699 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5701 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5703 * config/sh/sh.md (prget, prset): New insn types.
5704 (return delay slot): Dont' allow prset.
5705 (call, sfunc delay slot): Don't allow prget.
5706 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5707 for prset and prget.
5709 2001-01-05 Michael Hayes <mhayes@redhat.com>
5711 * loop.h (struct loop_reg): New.
5712 (struct loop_regs): Change to use array of `struct loop_reg'.
5713 * loop.c: Replace assortment of varrays with single regs array.
5714 (count_one_set): Delete may_not_move array argument
5715 and use regs array instead. All caller's changed.
5716 (count_loop_regs_set): Delete may_not_move and single_usage
5717 arguments and use regs array instead. All caller's changed.
5718 (find_single_use_in_loop): Replace usage array argument with pointer
5719 to regs structure. All caller's changed.
5720 (loop_optimize): Delete `moved_once' array.
5722 2001-01-05 Michael Hayes <mhayes@redhat.com>
5724 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5725 Use it instead of loop_info->has_call for scanning loop mems.
5726 (check_dbra_loop): Replace loop_info->has_call test with
5727 loop_info->has_nonconst_call.
5729 2000-01-04 Matthew Hiller <hiller@redhat.com>
5731 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5734 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5736 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5737 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5739 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5741 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5742 (flag_short_double, flag_short_wchar): Define.
5743 (c_common_nodes_and_builtins): Create many tree nodes shared
5744 between C and C++ here instead of in cp/decl.c and ...
5745 * c-decl.c (init_decl_processing): ... here.
5746 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5747 (flag_short_double, flag_short_wchar): Don't define.
5748 (record_builtin_type): New function.
5749 (build_void_list_node): New function.
5750 * c-common.h (flag_short_double, flag_short_wchar,
5751 record_builtin_type, build_void_list_node): Declare.
5753 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5755 * integrate.c (expand_inline_function): Don't put a virtual
5756 register into the reg map.
5758 * function.c (fixup_var_refs_1): If force_operand didn't put
5759 the address into the target, move it there.
5761 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5763 Special-case tree_decl/tree_list allocations.
5764 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5765 (OBJECT_SIZE): New macro.
5766 (NUM_EXTRA_ORDER): Likewise.
5767 (extra_order_size_table): New variable.
5768 (NUM_ORDERS): New macro.
5769 (objects_per_page_table): New variable.
5770 (object_size_table): New variable.
5771 (G.pages): Use NUM_ORDERS to bound the array.
5772 (G.page_tails): Likewise.
5773 (DIV_ROUND_UP): Remove.
5774 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5775 (alloc_page): Use OBJECT_SIZE.
5776 (size_lookup): Don't make it const.
5777 (ggc_alloc): Use OBJECT_SIZE.
5778 (ggc_set_mark): Likewise.
5779 (ggc_get_size): Likewise.
5780 (init_ggc): Set up the object_size_table, objects_per_page_table,
5781 and adjust size_lookup.
5782 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5783 (ggc_pop_context): Use NUM_ORDERS.
5784 (clear_marks): Likewise.
5785 (sweep_pages): Likewise.
5786 (poison_pages): Likewise.
5787 (ggc_print_statistics): Use OBJECT_SIZE.
5789 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5791 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5792 Only call array_size_for_constructor if last field and array type
5793 with no upper bound.
5795 2001-01-04 Philip Blundell <philb@gnu.org>
5797 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5798 from bit 31 downwards, if this requires no more insns.
5799 (count_insns_for_constant): New helper function for above.
5801 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5803 * gencodes.c (output_predicate_decls): Remove empty initializer.
5805 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5807 * tree.c (copy_node): Remove documentation about obstacks.
5808 (buidl1): Check that nobody tries to build 2-argument nodes this
5811 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5813 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5816 * gencodes.c (output_predicate_decls): Fill empty initializer
5819 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5821 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5822 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5824 (do_include): Handle missing headers like cpp0.
5825 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5826 paths with first include pathname. Don't strcat to uninitialized
5829 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5831 * regrename.c (regrename_optimize): Don't rename from frame pointer
5832 if frame_pointer_needed.
5833 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5834 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5835 (ia64_reorg): Use it instead of scheduling if ! optimize.
5836 (errata_emit_nops): Properly call asm_noperands.
5837 (ia64_sched_reorder): Finish cycle if we see an asm.
5838 (ia64_variable_issue): Clear scheduling state after asms.
5840 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5842 * cpp.texi: Update for -MT.
5843 * cppinit.c (initialize_dependency_output): Add a default
5844 target if none has been given already.
5845 (no_tgt, OPT_MT): New.
5846 (cpp_handle_option): Handle -MT. Update -M etc.
5847 * cpplib.h (struct cpp_options): Remove deps_target.
5848 * gcc.c (cpp_options): Handle -MT.
5849 * mkdeps.c (struct deps): Move from mkdeps.h.
5850 (deps_calc_target): Rename deps_add_default_target. Add a
5851 default target if none has been specified already.
5852 * mkdeps.h (struct deps): Move to mkdeps.c.
5853 (deps_calc_target): Rename deps_add_default_target.
5855 2000-01-03 Richard Henderson <rth@redhat.com>
5857 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5859 * c-typeck.c (push_init_level): Move checks for flexible array
5860 members and zero length arrays ...
5861 (pop_init_level): ... here. Silently discard empty initializations.
5863 * varasm.c (output_constructor): Update for sizeof change to
5866 * extend.texi (Zero Length): Clarify semantics.
5868 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5870 * configure.in (tm.h): Include isns-codes.h last.
5871 * configure: Rebuilt.
5873 2001-01-03 Richard Henderson <rth@redhat.com>
5875 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5876 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5878 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5880 * tradcpp.c (main): Make sure finclude() is called with a valid
5881 indepth value while handling -include.
5883 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5885 * gencodes.c (output_predicate_decls): New function.
5887 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5888 even if it is not the first time machmode.h is #included.
5889 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5890 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5891 * gcc.texi (Copyright): Added 2001.
5893 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5895 * c-common.c (c_common_lang_init): New function. Warn if format
5896 warning options which only have effects when used with -Wformat
5897 are used without -Wformat.
5898 * c-common.h (c_common_lang_init): Declare.
5899 * c-lang.c (lang_init): Call c_common_lang_init.
5900 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5902 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5904 * configure.in: Check for the mktemp command.
5905 * configure: Regenerate.
5906 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5907 $TEMP. Create temporary files with mktemp, if available at
5908 configure time; otherwise use set -C. Remove temporary files
5911 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5913 * configure.in: Require at least texinfo 4.0. Check for whether
5914 Pod::Man is sufficiently recent to regenerate GCC manpages.
5915 * configure: Regenerate.
5916 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5918 (GENERATED_MANPAGES): Define.
5919 (generated-manpages): New target. Depend on cpp.1 as well as
5921 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5922 configure to generated-manpages or empty) rather than on the
5923 manpages directly. Remove execute permission from installed
5924 gcov.1 as well as cpp.1.
5925 * cpp.1, gcov.1: Regenerate.
5927 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5929 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5930 tree_low_cst. Allow using cmpstrsi in more cases.
5932 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5934 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5937 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5939 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5940 * Makefile.in (HOST_CFLAGS): Mention build-make.
5942 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5944 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5947 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5949 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5952 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5955 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5956 reg_base_value and reg_known_value arrays.
5957 (init_alias_analysis): Add more cases to detect known values.
5958 * sched-deps.c (deps_may_trap_p): New function.
5959 (sched_analyze_2): Use it.
5961 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5963 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5964 don't discard an ASHIFTRT if we're shifting in a wider mode.
5966 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5968 * toplev.c (rest_of_compilation): Don't print basic block information
5969 when CFG isn't up to date.
5971 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5973 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5974 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5975 (UNALIGNED_SHORT_ASM_OP): Define.
5976 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5978 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5980 * fold-const.c (fold_convert): Fix typo.
5982 2001-01-02 Richard Henderson <rth@redhat.com>
5984 * c-common.h (ASM_INPUT_P): New.
5985 * c-parse.in (asm): Set it when needed.
5986 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5987 existance of an operand.
5989 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5991 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5992 (dwarf2out_frame_debug_expr): Likewise.
5993 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5995 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5997 * i386.c (ix86_split_to_parts): Return number of part required;
5999 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6001 (ix86_split_long_move): Use number of part returned
6002 by ix86_split_to_parts
6003 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6005 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6006 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6007 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6008 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6009 (ALIGN_MODE_128): Add TFmode.
6010 (IS_STACK_MODE): Likewise.
6011 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6012 (HARD_REGNO_OK): Support TFmodes.
6013 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6014 * i386.md (scheduler definitions): Use memory operand to determine
6015 fst/fld instructions; use mode attribute to determine real mode of
6017 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6018 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6020 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6022 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6024 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6026 * expr.c (store_constructor_field): Update ALIGN before calling
6029 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6031 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6034 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6036 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6039 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6041 * c-decl.c (start_function): Don't warn on third parameter to main.
6043 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6045 * tsystem.h: Define HAVE_DECL_GETOPT.
6047 2001-01-02 Philip Blundell <pb@futuretv.com>
6049 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6052 2001-01-02 Richard Henderson <rth@redhat.com>
6054 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6056 2001-01-02 Andreas Jaeger <aj@suse.de>
6058 * c-decl.c (c_decode_option): Remove support of
6061 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6062 (W_options): Add -Wmissing-noreturn here.
6064 * flow.c: Define lang_missing_noreturn_ok_p.
6065 (check_function_return_warnings): Use it.
6067 * c-common.h: Declare lang_missing_noreturn_ok_p.
6069 * c-lang.c (c_missing_noreturn_ok_p): New function.
6070 (lang_init): Set lang_missing_noreturn_ok_p.
6072 * invoke.texi (Warning Options): Document this.
6074 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6076 * extend.texi (C++ Extensions): New node for C++ attributes;
6077 describe init_priority and com_interface.
6078 * invoke.texi: Remove -finit-priority as it now has zero effect.
6079 * install.texi: Fix xref syntax.
6080 * md.texi: Likewise.
6082 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6084 * config.gcc (sparc64-wrs-vxworks*): New case.
6085 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6087 * config/sparc/sparc.c (sparc_override_options): Do support different
6088 pointer and architecture size.
6089 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6090 (POINTERS_EXTEND_UNSIGNED): Define.
6091 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6092 (FUNCTION_MODE): Define to be Pmode.
6093 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6095 * function.c (expand_function_end): Properly handle DECL_RESULT
6096 and copy when ptr_mode != Pmode.
6097 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6099 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6101 * c-common.c (c_common_nodes_and_builtins): Set prototype
6102 parameters for __builtin_fputs, __builtin_fputc and
6103 __builtin_fwrite. Don't declare plain fputc as a builtin.
6105 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6107 * loop.c (add_label_notes): Increment the label usage count when
6108 a note is added to an insn which refers to a CODE_LABEL.
6109 * gcse.c (add_label_notes): Likewise.
6111 2001-01-01 Andreas Jaeger <aj@suse.de>
6113 * loop.c (scan_loop): Use xmalloc to allocate movables.
6115 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6117 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6118 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6119 * reload1.c (REGISTER_MOVE_COST): Likewise.
6120 * regclass.c (REGISTER_MOVE_COST): Likewise.
6121 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6122 dimension. Adjust all users.
6123 (init_reg_sets_1): Iterate on all modes.
6124 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6125 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6126 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6127 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6128 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6129 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6130 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6131 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6132 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6133 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6134 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6135 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6136 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6137 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6138 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6139 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6140 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6141 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6142 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6143 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6144 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6145 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6146 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6147 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6148 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6149 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6150 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6152 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6154 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6155 arg VARIES_P. Call it with extra arg.
6156 (true_dependence): Likewise.
6157 * rtl.h (rtx_addr_can_trap_p): Declare.
6158 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6160 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6161 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6162 pic offset table register if it's zero. All callers changed.
6163 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6165 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6167 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6168 STRING_POOL_ADDRESS_P.
6170 * config/sparc/sparc.c (input_operand): Properly test for short op.
6172 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6173 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6174 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6175 * config/sparc/elf.h: No longer include sol2.h.
6176 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6177 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6179 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6181 2001-01-01 Michael Hayes <mhayes@redhat.com>
6183 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6184 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6185 (record_initial): Likewise.
6186 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6187 (remap_split_bivs): Likewise.
6189 2001-01-01 Michael Hayes <mhayes@redhat.com>
6191 * loop.c (loop_ivs_free): New function.
6192 (strength_reduce): Break out from...
6194 2001-01-01 Michael Hayes <mhayes@redhat.com>
6196 * loop.h (struct iv): New.
6197 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6198 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6199 'reg_biv_class' fields with 'regs' and 'n_regs'.
6200 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6201 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6202 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6204 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6206 * resource.c (mark_referenced_resources): Abort() before
6207 attempting to mark a pseudo register.
6208 (mark_set_resources): Likewise.
6210 2001-01-01 Michael Hayes <mhayes@redhat.com>
6212 * loop.h (REG_IV_CLASS): New accessor macro.
6213 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6214 * unroll.c (REG_IV_CLASS): Likewise.
6216 See ChangeLog.4 for earlier changes.