1 2001-03-11 Zack Weinberg <zackw@stanford.edu>
3 * configure.in: AC_SUBST xm_defines.
4 * configure: Regenerate.
5 * Makefile.in: Set DEFINES=$(xm_defines) when building
8 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
10 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
11 (cpp_included, find_include_file): Update.
12 (_cpp_compare_file_date): Make else unconditional.
14 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
16 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
18 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
20 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
21 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
23 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
25 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
26 if it's a record type.
28 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
30 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
31 mingw includes slightly.
33 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
35 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
36 #undef token before poisoning it.
38 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
40 * alpha.c (check_float_value): Use memcpy, not bcopy.
42 * m32r.c (m32r_sched_reorder): Likewise.
44 * vax.c (check_float_value): Likewise.
46 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
48 * toplev.c (file_name_nondirectory): Remove.
49 * toplev.h: Similarly.
50 * dwarf2out.c (compute_section_prefix): Use lbasename instead
51 of file_name_nondirectory.
53 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
55 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
56 * mips-tfile.c: Don't #undef rindex; not used.
58 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
60 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
61 (dbx64_register_map): Declare.
62 (RETURN_ADDR_RTX): Fix for 64bit.
63 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
64 (INCOMING_FRAME_SP_OFFSET): Set to 8.
65 * i386.c (dbx64_register_map): New global array.
66 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
67 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
70 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
72 * cppfiles.c (search_from): Use lbasename.
73 * mkdeps.c (deps_add_default_target): Use lbasename.
75 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
77 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
78 xcalloc in lieu of malloc, realloc & calloc.
80 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
82 * gengenrtl.c (xmalloc): Likewise.
84 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
85 really_call_* memory allocation routines.
87 * stmt.c (check_for_full_enumeration_handling): Use
88 really_call_calloc, not calloc.
90 * system.h (really_call_malloc, really_call_calloc,
91 really_call_realloc): Define.
92 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
94 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
96 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
98 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
100 * configure: Rebuilt.
101 * configure.in: Only use `lang_requires' for languages athat are
104 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
106 * invoke.texi: Fix typo.
109 2001-03-09 Zack Weinberg <zackw@stanford.edu>
111 * configure.in: Prune nonexistent files from build_xm_file,
112 xm_file, and host_xm_file lists. Warn unless they're
114 Don't generate *config.h here.
115 AC_SUBST all variables needed to generate *config.h.
116 * configure: Regenerate.
117 * mkconfig.sh: New helper script, from code removed from
119 * Makefile.in: Zap all MALLOC variables - no longer used
120 anywhere, and malloc.c doesn't exist.
121 Substitute in variables needed to generate *config.h.
122 Stop lying about the dependencies contained in CONFIG_H and
124 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
125 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
126 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
127 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
128 $(TM_P_H), etc. as appropriate.
130 * config.gcc: Zap references to deleted files.
131 * ggc-none.c: Don't include rtl.h or tm_p.h.
133 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
134 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
135 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
136 config/i386/xm-linux.h, config/i386/xm-linux.h,
137 config/i386/xm-next.h, config/i386/xm-openbsd.h,
138 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
139 Don't include i386/xm-i386.h.
141 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
142 config/i386/xm-i386.h, config/i860/xm-i860.h,
143 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
144 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
145 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
146 Delete (empty except comments, #includes of other deleted
147 files, and macros used nowhere).
149 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
151 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
152 independent on TARGET_FLAGS.
154 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
156 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
158 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
160 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
162 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
163 LAST_REX_SSE_REG): define.
164 (enum reg_class): Add 'LEGACY_REGS'
165 (REG_CLASS_CONTENTS): Likewise; add extended registers.
166 (SSE_REGNO_P): Recognize extended registers.
167 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
168 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
169 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
170 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
171 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
172 REG_OK_FOR_STRREG_P): Remove.
173 (HI_REGISTER_NAMES): Add extended registers.
174 (ADDITIONAL_REGISTER_NAMES): Likewise.
175 (QI_REGISTER_NAMES): Add 8bit extended registers.
176 (DEBUG_REG): Support extended registers.
177 * i386.c (regclass_map): Add extended registers.
178 (dbx_register-map): Likewise.
179 (svr4_dbx_register_map): Likewise.
180 (print_reg): Support extended registers.
181 (print_operand): Support 64bit operands.
183 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
185 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
186 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
187 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
188 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
189 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
190 STACK_BOUNDARY): Set properly for 64bits.
191 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
192 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
193 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
194 (MOVE_MAX): Set to 16.
195 (MOVE_MAX_PIECES): 8 for 64bit.
196 (Pmode): Set to SImode.
198 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
200 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
202 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
204 * i386.h (mask_64bit): New constant.
205 (target_64bit): New macro.
206 (target_options): Add '64'/'32'
207 (target_default): Define.
208 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
209 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
210 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
212 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
214 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
216 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
218 * rtlanal.c (rtx_varies_p): Check operand 0 of a
219 LO_SUM unless for_alias is set.
221 2001-03-08 Stan Shebs <shebs@apple.com>
223 * objc/objc-act.c: Fix old typos in comments, add comments for
225 (hash_init): Fix file name in error message.
227 (hash_add_attr): Ditto.
228 (continue_class): Ditto.
230 2001-03-08 Bruce Korb <bkorb@gnu.org>
232 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
233 wait4() can receive the signal.
235 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
237 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
239 * fixinc/fixincl.x: Regenerate.
241 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
243 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
245 * fixinc/fixincl.x: Regenerate.
247 2001-03-08 Richard Henderson <rth@redhat.com>
249 * configure.in (HAVE_AS_LEB128): New assembler check.
250 * configure, config.in: Rebuilt.
252 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
254 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
257 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
259 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
260 references to the MAXPATHLEN macro.
262 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
263 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
266 * config/i386/xm-gnu.h, config/xm-gnu.h,
267 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
268 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
269 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
272 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
273 doing so in various xm-*.h files.
275 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
277 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
279 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
281 * configure.in (enable_shared): Support per-package shared-library
283 * configure: Rebuilt.
285 2001-03-07 David Edelsohn <edelsohn@gnu.org>
287 * rs6000.md (cr logic): Add original POWER mnemonic alternative
288 for crnot. Set operands[5] in splitter.
290 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
292 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
293 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
294 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
295 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
296 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
297 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
298 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
301 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
302 config/i370/xm-i370.h, config/i386/xm-dgux.h,
303 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
304 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
305 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
306 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
307 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
308 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
309 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
310 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
311 Delete unused and/or empty files.
313 * config.gcc: Define USG in xm_defines as appropriate. Define
314 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
315 macro. Remove deleted xm-* files from $xm_files variable.
317 2001-03-07 Tom Tromey <tromey@redhat.com>
319 * configure: Rebuilt.
320 * configure.in: Allow config-lang.in to set `lang_requires' to list
321 of other required languages.
323 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
325 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
327 (output_prologue): Use xmalloc not oballoc.
328 (output_epilog): Free a29k_first_epilogue_insn when finished.
329 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
331 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
333 * builtins.c (expand_builtin_mathfn): Check
334 flag_unsafe_math_optimizations, not flag_fast_math.
335 (expand_builtin): Likewise
336 * combine.c (combine_simplify_rtx): Likewise.
337 (simplify_if_then_else): Likewise.
338 * cse.c (fold_rtx): Likewise.
339 * flags.h: Remove flag_fast_math. Add
340 flag_unsafe_math_optimizations and flag_trapping_math.
341 * fold-const.c (negate_expr): Check
342 flag_unsafe_math_optimizations, not flag_fast_math.
343 (invert_truthvalue): Likewise.
344 (fold): Likewise. Before associating operands, check that
345 code == MULT_EXPR, not code != MULT_EXPR.
346 * ifcvt.c (noce_try_minmax): Check
347 flag_unsafe_math_optimizations, not flag_fast_math.
348 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
349 * invoke.texi: Document -funsafe-math-optimizations and
350 -fno-trapping-math. Change documentation for -ffast-math.
351 * jump.c (reversed_comparison_code_parts): Likewise.
352 (rtx_equal_for_thread_p): Likewise.
353 * optabs.c (emit_conditional_move): Likewise.
354 * simplify-rtx.c (simplify_binary_operation): Likewise.
355 (simplify_relational_operation): Likewise.
356 (simplify_ternary_operation): Likewise.
357 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
358 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
359 Add trapping-math and unsafe-math-optimizations entries to f_options.
360 (set_fast_math_flags): New, sets flags for -ffast-math.
361 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
362 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
363 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
365 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
366 (alpha_emit_conditional_move): Initialize local_fast_math to
367 flag_unsafe_math_optimizations, not flat_fast_math.
368 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
369 instead of setting flag_fast_math to 1.
370 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
372 * config/i386/i386.c (override_options): Likewise
373 * config/i386/i386.md: Likewise.
374 * config/m68k/m68k.md: Likewise.
375 * config/mips/mips.md: Likewise.
376 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
377 (rs6000_generate_compare): Likewise.
379 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
381 * Makefile.in: Set RANLIB to @RANLIB@.
384 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
386 * fixinc/inclhack.def (djgpp_wchar_h): New test.
387 * fixinc/fixincl.x: Regenerated.
389 2001-03-07 Richard Henderson <rth@redhat.com>
391 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
393 2001-03-07 Richard Henderson <rth@redhat.com>
395 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
396 of block notes and exception handling notes.
398 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
399 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
400 (compile_file): ... here.
402 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
404 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
406 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
407 config.h now. Include libiberty.h to handle alloca.
409 2001-03-06 Zack Weinberg <zackw@stanford.edu>
411 * c-parse.in (yylexname): New function, split out of _yylex.
412 (objc_rid_sans_at): New table.
413 (init_reswords): Initialize it.
414 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
415 retrieving the next token and checking it for significance as
416 an ObjC keyword or string constant.
418 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
419 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
421 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
424 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
426 * config/m68k/m68k.c (const_uint32_operand): Accept any
427 const_int on a 32-bit host.
429 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
431 * objc/objc-act.c (init_objc): Set save_lang_status,
432 restore_lang_status, and mark_lang_status.
434 2001-03-06 Krister Walfridsson <cato@df.lth.se>
436 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
438 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
440 * cppinternals.texi: Update.
442 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
444 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
445 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
446 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
447 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
448 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
449 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
450 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
451 config/i386/xm-i386.h, config/i860/xm-i860.h,
452 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
453 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
454 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
455 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
456 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
457 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
458 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
459 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
460 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
461 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
462 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
463 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
464 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
465 match the defaults provided in hwint.h.
467 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
468 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
470 * config.gcc (xm_file): Don't set to files which are deleted.
472 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
473 guard this file against these macros being undefined.
475 2001-03-06 Zack Weinberg <zackw@stanford.edu>
477 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
478 and DECL_DEFER_OUTPUT on the decl we create, before calling
479 rest_of_decl_compilation.
481 2001-03-06 Zack Weinberg <zackw@stanford.edu>
483 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
485 * configure, config.in: Regenerate.
486 * config.gcc: Remove references to deleted files.
488 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
489 genrecog.c, rtl.c: Do not use alloca anywhere.
491 * Makefile.in, build-make, system.h, config/x-interix,
492 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
493 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
494 config/arc/xm-arc.h, config/arm/xm-arm.h,
495 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
496 config/h8300/xm-h8300.h, config/i370/x-oe,
497 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
498 config/i386/x-ncr3000, config/i386/x-sco5,
499 config/i386/xm-dgux.h, config/i860/x-sysv4,
500 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
501 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
502 config/m68k/x-hp320g, config/m69k/x-mot3300,
503 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
504 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
505 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
506 config/m88k/x-sysv4, config/m88k/x-tekXD88,
507 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
508 config/mips/x-iris, config/mips/x-iris3,
509 config/mips/x-sni-svr4, config/mips/x-sysv,
510 config/mips/xm-iris6.h, config/mips/xm-mips.h,
511 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
512 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
513 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
514 config/pa/xm-papro.h, config/romp/xm-romp.h,
515 config/rs6000/x-aix31, config/rs6000/x-aix41,
516 config/rs6000/x-beos, config/rs6000/x-lynx,
517 config/rs6000/x-mach, config/rs6000/x-rs6000,
518 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
519 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
520 config/sparc/x-sysv4, config/sparc/xm-linux.h,
521 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
522 config/vax/xm-vms.h: Eradicate all references to alloca and
525 * config/xm-alloca.h, config/clipper/x-clix,
526 config/i386/xm-sysv4.h, config/i860/x-fx2800,
527 config/i860/x-sysv3, config/m88k/x-sysv3,
528 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
529 (contained only alloca related hacks).
531 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
534 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
536 * invoke.texi: Document __FAST_MATH__.
538 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
540 * crtstuff.c: Restore include of auto-host.h.
542 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
544 Put main() in a separate file, so that the language
545 front-end can use a different main().
548 * toplev.c: (main): Rename as toplev_main.
549 * toplev.h: Declare toplev_main.
550 * Makefile.in (OBJS): add toplev.o.
551 (BACKEND): remove toplev.o, add main.o.
553 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
555 * cppfiles.c (search_from): Special case the empty string.
557 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
559 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
560 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
561 strlen or strcpy; we already know the length.
562 (_cpp_compare_file_date): Similarly.
563 * cpphash.h (struct cpp_reader): Delete done_initialising.
564 (CPP_PREV_BUFFER): Delete.
565 * cppinit.c (cpp_start_read): Don't set done_initialising.
566 * cpplex.c (parse_string): Guarantee null-termination.
567 (_cpp_equiv_toklists): Remove.
568 * cpplib.c (glue_header_name): Null-terminate.
569 (do_line): Don't leak memory.
570 * cpplib.h (BT_WEAK): Delete.
571 * cppmain.c (cb_ident): Strings are now null-terminated.
573 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
575 * gcc.c (convert_filename): Append executable suffix
576 if NO_AUTO_EXE_SUFFIX is not defined.
577 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
578 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
580 2001-03-03 David O'Brien <obrien@FreeBSD.org>
582 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
583 * c-parse.gperf, c-gperf.h: Delete.
584 (c-gperf.h was accidently re-added to the CVS repo in the rev
585 1.16 commit by tromey)
587 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
589 * cpplex.c (_cpp_lex_token): Don't warn about directives in
590 macro arguments when looking for the '('.
591 * cppmacro.c (funlike_invocation_p): Set parsing_args to
592 2 when really parsing arguments; 1 when looking for '('.
593 Always restore the lexer position.
595 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
597 * longlong.h (umul_ppmm): Don't use a multiline string.
599 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
601 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
602 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
603 t_bool in declaration because pcc can't combine volatile with typedef
606 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
608 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
609 until when it is really needed.
610 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
611 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
612 * i386.md (float?i?f splitter): Don't force source operand to memory
614 (sse_movdfcc): Fix constraint.
615 (sse_movdfcc splitter): Handle properly the second alternative.
617 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
619 * cpplex.c (parse_string): Unconditionally pedwarn.
621 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
624 * cppexp.c (parse_number): Update.
625 * cpplex.c (parse_string): Pedwarn if multiline string does not
626 result from a system header's macro.
627 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
628 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
629 for function-like macros too.
630 * c-lex.c (lex_number): Update.
632 2001-03-03 Richard Henderson <rth@redhat.com>
634 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
636 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
638 * combine.c (try_combine): If split with mode-changed scratch
639 register didn't work, try the original mode.
641 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
643 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
644 * config/c4x/c4x.h: Likewise.
645 * stor-layout.c (compute_record_mode): Likewise.
646 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
648 2001-03-02 Zack Weinberg <zackw@stanford.edu>
650 * configure.in: Kill tm.h. Include the files in the $tm_file
651 list in all three of config.h, hconfig.h, tconfig.h, after the
652 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
653 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
654 * configure: Regenerate.
655 * Makefile.in (clean): Don't delete tm.h.
657 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
658 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
659 those are not defined, set SEC and FEC to 0 and 1.
660 * gcc.texi: Update to match.
662 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
663 * config/fp-bit.c, config/m68k/aux-crt2.asm,
664 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
665 Include tconfig.h, not tm.h.
667 * config/xm-lynx.h, config/xm-std32.h,
668 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
669 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
670 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
671 config/clipper/xm-clix.h, config/convex/xm-convex.h,
672 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
673 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
674 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
675 config/i386/xm-i386.h, config/i860/xm-i860.h,
676 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
677 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
678 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
679 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
680 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
681 config/pa/xm-linux.h, config/pa/xm-pa.h,
682 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
683 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
684 config/pj/xm-pj.h, config/romp/xm-romp.h,
685 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
686 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
687 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
688 config/v850/xm-v850.h, config/vax/xm-vax.h,
689 config/we32k/xm-we32k.h:
691 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
693 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
694 config/i370/xm-oe.h: Don't include tm.h. Don't define
696 * config/vax/xm-vms.h: Don't include tm.h.
698 * config/xm-lynx.h, config/avr/xm-avr.h,
699 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
700 Delete; made empty by above changes.
701 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
702 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
703 Don't include config/xm-lynx.h or tm.h.
705 * config/xm-gnu.h: Don't include fcntl.h.
706 * config/sparc/xm-lynx.h: Don't include sys/types.h and
708 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
710 2001-03-02 Richard Henderson <rth@redhat.com>
712 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
713 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
715 2001-03-02 Richard Henderson <rth@redhat.com>
717 * Makefile.in (OBJS): Add dwarf2asm.o.
718 * dwarf2asm.c, dwarf2asm.h: New files.
719 * dwarf2out.c (*): Use them.
720 (size_of_uleb128, size_of_sleb128): Remove.
721 (output_uleb128, output_sleb128): Remove.
722 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
723 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
724 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
725 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
726 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
727 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
728 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
729 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
730 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
731 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
732 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
733 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
734 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
735 (dwarf2out_frame_debug): Remove unused variables.
736 (output_loc_operands): Don't abort on 8 byte constants if
737 host integers are wide enough.
738 (output_symbolic_ref): Remove.
739 (size_of_die): Don't assume 4 byte host integers.
740 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
742 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
743 something stupid with HOST_WIDE_INT to long truncation.
744 [CONST_DOUBLE]: Likewise.
746 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
747 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
748 * config/arm/unknown-elf.h: Likewise.
749 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
750 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
751 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
752 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
753 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
754 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
755 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
756 (ASM_OUTPUT_DWARF_OFFSET): Remove.
757 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
758 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
759 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
760 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
762 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
764 * cselib.c (hash_rtx): Cast enums to unsigned int.
766 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
768 * print-rtl.c (print_rtx): Cast enums to int for comparison.
769 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
771 * c-format.c (C_STD_VER): Cast to int for comparisons.
772 (check_function_format): Cast various enums to int for &.
773 (maybe_read_dollar_number): Likewise.
774 (check_format_info): Likewise.
775 (check_format_info_main): Likewise.
776 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
777 (safe_from_p): Likewise.
778 * varasm.c (const_hash): Cast enum to int for %.
779 * emit-rtl.c (init_emit_once): Use int loop variable to work around
780 pcc enum problems with < and ++ operators.
781 * regclass.c (init_reg_sets_1): Cast enums for comparison.
782 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
783 (regclass_init): Change enum class to int to iterate over reg_classes.
784 * genrecog.c (merge_trees): Cast enums for comparison.
785 * rtl.h (GET_CODE): Cast to enum rtx_code.
786 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
787 (GET_MODE): Cast to enum machine_mode.
788 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
789 (GET_NOTE_INSN_NAME): Cast enum to int.
790 * tree.h (TREE_CODE): Cast to enum tree_code.
791 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
792 * timevar.c (timevar_print): Change loop variable id from enum to
794 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
795 * config/i386/i386.md: Use PUT_MODE for mode assignment.
796 * toplev.c (compile_file): Cast enum DFI to int.
797 (decode_d_option): Likewise.
799 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
801 * cppinit.c (append_include_chain): Mark "after" include file name list
802 as a system directory.
803 * cpp.texi: Document new behavior.
805 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
807 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
809 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
811 * cppfiles.c (struct include_file): Update.
812 (stack_include_file): Use search_from.
813 (cpp_included, find_include_file): Update.
814 (cpp_execute_include): Update. ptr->name may not be
815 null terminated. Use the new search_from member variable
817 (_cpp_compare_file_date): Similarly.
818 (search_from): New function, similiar to actual_directory.
819 (actual_directory): Delete.
820 (remap_filename): Update. loc->name may not be null terminated.
821 (struct file_name_list): Rename search_path. Update.
822 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
824 (struct cpp_reader): Remove actual_dirs.
825 * cppinit.c (struct cpp_pending): Update for renamed objects.
826 (append_include_chain, remove_dup_dir, remove_dup_dirs,
827 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
828 * cpplib.h (struct cpp_options): Similarly.
830 2001-03-01 Zack Weinberg <zackw@stanford.edu>
832 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
833 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
834 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
835 config/clipper/xm-clix.h, config/convex/xm-convex.h,
836 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
837 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
838 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
839 config/i370/xm-linux.h, config/i370/xm-mvs.h,
840 config/i370/xm-oe.h, config/i386/xm-aix.h,
841 config/i386/xm-i386.h, config/i386/xm-osf.h,
842 config/i860/xm-i860.h, config/i960/xm-i960.h,
843 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
844 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
845 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
846 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
847 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
848 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
849 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
850 config/pj/xm-pj.h, config/romp/xm-romp.h,
851 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
852 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
853 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
854 config/v850/xm-v850.h, config/vax/xm-vax.h,
855 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
856 Do not define TRUE or FALSE.
858 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
859 empty by above change.
860 * config.gcc: Remove references to these files.
862 * configure.in: Detect stdbool.h.
863 * configure, config.in: Regenerate.
864 * system.h: Include stddef.h here if available.
865 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
866 Then set up a sensible boolean type at the very end.
868 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
869 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
871 * hash.h: Delete 'boolean' typedef and related #undefs.
873 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
874 all uses of 'boolean' with 'bool'.
876 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
878 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
879 * cppexp.c (lex): Cast enums for comparison.
880 * cppinit.c (parse_option): Cast enum for comparison.
881 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
882 (cpp_output_token): Likewise.
883 (cpp_can_paste): Cast enums for comparsion and plus/minus.
884 (cpp_avoid_paste): Cast enums for minus and comparison.
886 2001-03-01 Zack Weinberg <zackw@stanford.edu>
888 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
889 field to all array elements.
891 2001-03-01 Zack Weinberg <zackw@stanford.edu>
893 * cpphash.h (struct cpp_reader): Add print_version field.
894 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
895 just set print_version and other flags as appropriate.
896 (cpp_post_options): Print version here if print_version is set.
898 * toplev.c (exit_after_options): New flag.
899 (independent_decode_option): Don't exit here; just set
901 (main): Exit after calling lang_hooks.post_options if
902 exit_after_options is true.
904 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
905 (merge_include_chains): Adjust comment to match code.
907 2001-03-01 Zack Weinberg <zackw@stanford.edu>
909 * stringpool.c (set_identifier): New function.
910 * tree.h: Prototype it.
912 * c-parse.in: Kill D_YES. If compiled for objc, call
913 save_and_forget_protocol_qualifiers from init_reswords.
914 * objc/objc-act.c (remember_protocol_qualifiers,
915 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
916 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
918 (save_and_forget_protocol_qualifiers): New function.
919 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
921 2001-03-01 Diego Novillo <dnovillo@redhat.com>
923 * c-semantics.c (prune_unused_decls): Return error_mark_node
924 instead of (tree) 1 to stop traversing the tree chain.
926 2001-03-01 Bernd Schmidt <bernds@redhat.com>
928 Fix a problem introduced by Kenner's Feb 18 change.
929 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
930 flag_cse_skip_blocks only temporarily, not for ever.
932 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
934 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
935 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
937 * pa.c (emit_move_sequence): Verify operand0 is a hard register
938 before determining its register class.
940 2001-03-01 Bernd Schmidt <bernds@redhat.com>
942 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
943 from reg 4 if current_function_calls_setjmp.
944 (gen_nop_type): New function.
945 (ia64_emit_nops): New function.
946 (ia64_reorg): Call it.
947 (ia64_sched_reorder): Move code that rotates bundles up a bit.
949 * reload1.c (eliminate_regs_in_insn): Restrict the special case
950 code not to try to optimize adds with anything but a REG destination.
952 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
953 (INSN_PRIORITY_KNOWN): New accessor macro.
954 * haifa-sched.c (priority): Use it instead of testing priority against
957 2001-02-28 DJ Delorie <dj@redhat.com>
959 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
960 since that doesn't work the way gcc wants on a generic m68k.
962 2001-02-28 Richard Henderson <rth@redhat.com>
964 * caller-save.c (save_call_clobbered_regs): Fix typo in
965 comparison last change.
967 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
969 * i386.c (pentium4_cost): New.
970 (m_PENT4): New macro.
971 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
972 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
973 x86_integer_DFmode_moves, x86_partial_reg_dependency,
974 x86_memory_mismatch_stall): Add Pentium4
975 (x86_use_q_reg, x86_use_any_reg): Kill.
976 (override_options): Add pentium4.
977 (incdec_operand): Return 0 for pentium4.
978 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
979 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
980 (TARGET_PENTIUM4): Define.
981 (enum processor_type): Add PROCESSOR_PENTIUM4.
982 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
983 * i386.md (attribute "cpu"): Add pentium4.
984 * invoke.texi (march): Add pentium4.
986 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
988 * i386.md (sse_mov?fcc*): New patterns and splitters.
989 * i386.c (ix86_expand_movcc): Work post-reload; recognize
990 the SSE based conditional moves.
992 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
994 * i386.md (attribute mode): Add "TI".
995 (movsf_1): Add pxor support; remove constant propagation splitter.
996 (movdf_integer): Likewise.
997 (movdf_nointeger): Likewise.
998 (movxf constant prop splitter): Handle all modes; update for SSE.
999 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1000 * i386.c (standard_80387_constant_p): Rewrite.
1001 (standard_sse_constant_p): New.
1002 * i386-protos.h (standard_sse_constant_p): New.
1004 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1006 * i386.md (sse_setccsf, sse_setccdf): New.
1007 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1009 * i386.c (sse_comparison_operator): Accept the supported unordered
1010 comparses; be ready for fast_math.
1011 (print_operand): Support 'D'.
1013 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1015 * jump.c (reversed_comparison_code): Kill.
1017 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1019 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1022 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1024 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1025 add missing '%' in constraints.
1027 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1029 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1030 for HOST_BITS_PER_WIDE_INT == 32 too.
1032 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1034 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1036 (insert_save, insert_restore): New parameter save_mode.
1037 (init_caller_save): Update initialization of reg_save_code
1038 and reg_restore_code.
1039 (save_call_clobbered_regs): Compute save_modes and update calls to
1040 reg_save_code and reg_restore_code.
1041 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1042 of spill; update use of reg_restore_code.
1043 (insert_save): Likewise.
1044 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1045 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1046 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1048 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1050 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1051 noce_try_store_flag_inc, noce_try_store_flag_mask,
1052 noce_try_cmove_arith):
1053 Use reversed_comparison_code instead of reverse_comparison and
1054 can_reverse_comparison_p.
1056 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1058 * jump.c (reversed_comparison_code_parts): Allow reversal of
1059 unordered compares in -ffast-math mode; reverse ordered compares
1060 for FP even w/o -ffast-math.
1062 2001-02-27 Richard Henderson <rth@redhat.com>
1064 * print-rtl.c (print_rtx) [i]: Don't print field five on
1065 NOTEs other than NOTE_INSN_DELETED_LABEL.
1067 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1069 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1070 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1072 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1074 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1075 even if walk_subtrees is 0.
1076 * c-semantics.c (prune_unused_decls): Return a non-null value to
1077 stop traversing the tree chain.
1079 2001-02-27 DJ Delorie <dj@redhat.com>
1081 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1082 register, *then* define it as the new CFA.
1084 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1086 * pa.c (override_options): Promote -fpic to -fPIC.
1087 (legitimize_pic_address): Simplify due to removal of
1088 small PIC as a code generation option.
1089 (secondary_reload_class): Similarly.
1090 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1091 (PRINT_OPERAND_ADDRESS): Similarly.
1092 * pa.md (various patterns): Similarly.
1093 (small pic lo_sum pattern): Remove.
1095 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1098 * md.texi (min, max): Document
1100 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1102 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1103 TARGET_PARTIAL_REG_DEPENDENCY.
1104 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1106 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1108 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1110 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1112 * mips.c (mips_make_temp_file): Fix thinko in last change.
1114 2001-02-26 Jason Eckhardt <jle@redhat.com>
1116 * combine.c (known_cond): Do not reverse the condition when
1117 SMAX/UMAX is being considered and the condition is for equality
1120 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1122 2001-02-26 Philip Blundell <philb@gnu.org>
1124 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1126 * config/arm/linux-elf.h: Remove historical relics related to
1127 above configurations.
1128 * config/arm/linux-oldld.h: Delete.
1129 * config/arm/linux-elf26.h: Delete.
1131 2001-02-26 Jason Merrill <jason@redhat.com>
1133 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1135 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1136 recognize a tentative definition. Lose obsolete code.
1138 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1139 variables unless necessary, either.
1141 2001-02-25 Richard Henderson <rth@redhat.com>
1143 * ifcvt.c (struct noce_if_info): Add test_bb.
1144 (noce_get_alt_condition): New.
1145 (noce_try_minmax, noce_try_abs): New.
1146 (noce_operand_ok): New.
1147 (noce_process_if_block): Use them.
1148 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1150 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1152 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1155 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1157 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1158 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1160 (mips_asm_file_end): Free temp_filename here.
1162 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1164 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1165 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1167 * config/i386/i386.md (movstrsi): Handle FAIL case.
1169 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1171 * cppinit.c (builtin_array): Update.
1172 (init_builtins): Flag builtins to warn if redefined or
1173 undefined. Define __GXX_WEAK as a normal macro.
1174 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1175 * cpplib.h (NODE_WARN): New flag.
1176 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1177 Handle __STDC__ as a builtin only on Solaris.
1178 (warn_of_redefinition): Renamed from check_macro_definition.
1179 Reverse sense of test. Always warn if NODE_WARN.
1180 (_cpp_create_definition): Use warn_of_redefinition. Flag
1181 any macro beginning with "__STDC_" to require a mandatory
1182 warning if redefined or undefined.
1184 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1186 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1187 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1188 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1189 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1190 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1191 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1192 Don't define any of:
1193 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1194 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1195 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1196 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1197 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1199 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1200 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1203 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1204 Delete now-empty file.
1206 * alpha/vms.h: Define NEED_ATEXIT here...
1207 * alpha/xm-vms.h: ...not here.
1209 * i386/cygwin.h: Don't define PARAMS.
1210 * mips/mips.c: Don't prototype mktemp. Don't define
1211 P_tmpdir. Use make_temp_file to create temporary files.
1212 Don't be clever and delete temporary files early.
1213 * config.gcc: Drop references to deleted files. Don't define
1215 * gcc.texi: Don't mention USE_PROTOTYPES.
1217 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1219 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1220 (ix86_set_move_mem_attrs_1): Likewise.
1221 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1222 * config/i386/i386.md (movstrsi): Call it.
1224 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1226 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1227 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1228 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1229 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1231 (i750a-*-*): Error here if hosting on i750a.
1232 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1234 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1235 Remove (empty modulo comments).
1237 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1238 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1239 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1240 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1241 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1242 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1244 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1245 Remove reference to winnt.h in comment.
1246 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1248 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1250 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1251 used to set another biv.
1253 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1255 * tree.h (BLOCK_DEAD): New macro.
1256 (struct tree_block): New flag, dead_flag.
1257 * print-tree.c (print_node, case 'b'): Print missing fields.
1258 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1259 * function.c (identify_blocks): Enable test for misplaced notes.
1260 (all_blocks): Skip BLOCK_DEAD blocks.
1261 * integrate.c (integrate_decl_tree): Likewise.
1263 * errors.c (internal_error, trim_filename): New functions.
1264 (fancy_abort): Call internal_error.
1265 * errors.h (internal_error, trim_filename): New declarations.
1267 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1269 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1271 (EXTRA_CONSTRAINT): Formatting changes.
1273 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1275 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1277 2001-02-23 Per Bothner <per@bothner.com>
1279 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1280 so they can be called from java/jvspec.c.
1281 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1283 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1285 * i386.c (ix86_frame): New structure.
1286 (ix86_compute_frame_size): Kill.
1287 (ix86_compute_frame_layout): New.
1288 (ix86_save_reg): New.
1289 (ix86_can_use_return_insn_p): Use frame layout stuff.
1290 (ix86_expand_prologue): Likewise.
1291 (ix86_expand_epilogue): Likewise.
1292 (ix86_initial_elimination_offset): Likewise.
1293 (ix86_nsaved_regs): Use ix86_save_reg.
1294 (ix86_emit_save_regs): Likewise.
1296 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1298 * flow.c (find_sub_basic_blocks): New function.
1299 (split_block): Be ready for basic block introduced by CODE_LABEL.
1300 (commit_one_edge_insertion): Call find_sub_basic_block.
1302 * flow.c (make_edges): Add edge from entry for blocks starting with
1303 label having ALTERNATE_NAME
1305 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1307 * function.c (epilogue_done): Be ready for first basic block not
1308 containing PROLOGUE_END note.
1309 (reposition_prologue_and_epilogue_notes): Avoid placing
1310 PROLOGUE_END note between BASIC_BLOCK.
1312 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1314 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1316 2001-02-21 DJ Delorie <dj@redhat.com>
1318 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1319 check for current_function_has_nonlocal_goto from 1999-11-12.
1321 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1323 * diagnostic.c (trim_filename): No longer static.
1324 * toplev.h (trim_filename): Declare.
1325 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1326 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1327 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1328 (rtvec_check_failed_bounds): Likewise.
1329 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1331 * convert.c (convert_to_integer): Don't do unsigned unless result or
1332 both inputs are unsigned.
1334 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1337 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1339 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1341 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1343 * Makefile.in (resource.o): Add params.h dependence.
1344 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1345 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1346 * resource.c: Add dependence on params.h.
1347 (current_live_regs): Fix explanatory comment.
1348 (find_basic_block): Add new parameter to permit limiting search
1350 (mark_target_live_regs): Add new argument to find_basic_block call.
1351 (incr_ticks_for_insn): Likewise.
1353 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1355 * diagnostic.c (output_to_stream): Rename to
1356 output_buffer_to_stream. Loses the stream parameter.
1357 (init_output_buffer): Set diagnosic_buffer's stream.
1358 (flush_diagnostic_buffer): Adjust.
1359 (default_print_error_function): Likewise.
1360 (finish_diagnostic): Likewise.
1361 (verbatim): Likewise.
1363 * diagnostic.h (struct output_buffer): Add `stream' field.
1364 (output_buffer_attached_stream): New macro.
1366 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1368 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1369 check if either operand is divisible by C.
1370 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1371 If type is signed, consider negative numbers as well.
1373 2001-02-22 Richard Henderson <rth@redhat.com>
1375 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1376 reach .text instead of gp-relative relocs.
1377 * config/ia64/crtend.asm (.init): Likewise.
1379 2001-02-22 Andreas Jaeger <aj@suse.de>
1381 * extend.texi (C++ Attributes): Fix typo.
1383 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1385 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1386 functions, drop current_function_args_info.words test.
1387 (ia64_compute_frame_size): Mark syscall_linkage functions as
1388 using eight input registers.
1390 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1391 Bruce Korb <bkorb@gnu.org>
1393 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1394 * fixinc/README: Document how to convert sed substitutions
1395 to format style c_fix-es.
1396 * fixinc/fixincl.x: regen
1398 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1400 * gcc.c: Add comment explaining how to add a command-line option.
1401 Add title to specs language comment.
1403 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1405 * gcc.c (cc1_options): Add "-param".
1406 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1407 (option_map): Likewise.
1408 * toplev.c (display_help): Add entry for "--param".
1409 (independent_decode_option): Fix typographical error.
1411 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1412 Bernd Schmidt <bernds@redhat.com>
1413 Jan Hubicka <jh@suse.cz>
1415 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1416 (function_arg): Likewise.
1418 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1420 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1422 2001-02-21 Kazu Hirata <kazu@hxi.com>
1424 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1428 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1430 * flow.c (init_propagate_block_info): Canon address and use single_set
1431 for killing dead memory stores.
1433 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1435 * Makefile.in (reorg.o): Add params.h dependence.
1436 * params.def: Fix typographical error in comment.
1437 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1438 * params.h: Modify introductory comment.
1439 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1440 * reorg.c: Add dependence on params.h.
1441 (redundant_insn): Add parameterized throttle for search.
1442 (fill_simple_delay_slots): Add a comment explaining a variable.
1443 Move conditional out of loop, simplifying code.
1444 (fill_eager_delay_slots): Fix typographical error in comment.
1446 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1448 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1450 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1451 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1453 2001-02-21 Jason Merrill <jason@redhat.com>
1455 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1456 (struct tree_decl): Add uninlinable bitfield.
1457 * c-decl.c (duplicate_decls): Set it.
1458 * integrate.c (function_cannot_inline_p): Check it.
1460 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1461 DW_AT_MIPS_linkage_name to abstract methods.
1462 (dwarf2out_abstract_function): Emit class context before calling
1463 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1464 (gen_subprogram_die): Remove obsolete code.
1465 (gen_member_die): Don't include clones in the member list.
1466 (gen_decl_die): Emit abstract info for clone origin.
1467 * dwarfout.c (output_type): Don't include clones in the member list.
1468 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1469 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1470 DECL_ABSTRACT on a function that already has it set.
1472 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1473 (get_subprogram_die): Pass it in.
1475 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1477 * flow.c (mark_set_1): Make not_dead unsigned long. For
1478 non-pseudos, use it as a bitmask of the hard regs that
1481 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1483 * cppfiles.c: Update comments.
1484 (_cpp_read_file): Don't check for NULL filenames any more.
1485 * cppinit.c (cpp_start_read): Don't do canonicalization of
1486 in_fname and out_fname. Use the passed file name exclusively.
1487 (_cpp_handle_options): Don't treat "-" as a command line option,
1488 but as a normal filename.
1489 (_cpp_post_options): Canonicalize in_fname and out_fname.
1490 * cppmain.c (printer_init): Don't check out_fname for NULL.
1491 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1492 (init_c_lex): Update, and use "" to represent stdin to CPP.
1495 2001-02-20 Will Cohen <wcohen@redhat.com>
1497 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1498 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1499 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1502 2001-02-20 Stan Shebs <shebs@apple.com>
1504 * config/rs6000/rs6000.c (output_cbranch): Output branches
1505 on separate lines instead of using ';' to separate.
1507 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1509 * cppinit.c (set_lang): Move builtin handling to...
1510 (init_builtins): ...here.
1511 (_cpp_create_reader): Move call to set_lang.
1513 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1515 * stmt.c (expand_return): If an attempt is made to return the
1516 error_mar_node, treat the return like a return without a value.
1518 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1520 * sibcall.c (skip_copy_to_return_value): Call
1521 identify_call_return_value here, and return orig_insn if it
1522 returns zero. Hardret and softret arguments now unnecessary.
1523 (call_ends_block_p): Don't call identify_call_return_value here.
1525 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1527 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1528 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1530 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1532 * pa.c (move_operand): Accept code to load the address of a
1533 symbol out of the DLT as a valid move operand.
1534 (print_operand, case 'A'): New to handle generating a DLT
1535 reference for a LO_SUM expression.
1536 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1537 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1539 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1541 * README, cpp.texi, gcc.texi, version.c: Update version number to
1543 * cpp.1, gcov.1, gcc.1: Regenerate.
1545 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1547 * cppfiles.c (stack_include_file): Generate dependencies
1548 here, and manage include_count here too.
1549 (PRINT_THIS_DEP): Delete.
1550 (_cpp_execute_include): Do not generate dependencies here,
1551 apart from the case of a missing header. Do not manage
1553 (_cpp_read_file): Leave dependency generation to
1556 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1558 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1559 target_cpu_default. Remove dead assignment to
1562 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1564 * regclass.c (contains_reg_of_mode): Make global.
1565 (init_reg_sets): Remove contains_reg_of_mode; take into account
1566 CLASS_MAX_NREGS when looking for the proper mode.
1567 (dump_regclass): Dump only classes considered for the pseudo.
1568 (regclass): Use contains_reg_of_mode.
1570 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1572 * gcc.c (do_spec_1): 'n' for printing notices.
1573 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1575 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1577 * reg-stack.c (next_flags_user): Use current_block->end
1578 (swap_rtx_condition): Look for next user if flags don't die;
1579 give up on CALL_INSNs; use current_block->end.
1581 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1583 * sibcall.c (call_ends_block_p): New function.
1584 (optimize_sibling_and_tail_recursive_call): Use it.
1586 2001-02-18 Kazu Hirata <kazu@hxi.com>
1588 * config/h8300/h8300.md: Update copyright.
1589 (andsi3): Do not output an extra newline character.
1591 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1593 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1594 FNDECL may be unused.
1596 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1597 follow jumps after first run.
1598 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1599 it doesn't change any jumps.
1601 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1603 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1604 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1605 (mostlyclean): Corresponding changes.
1606 * rtlanal.c (hard-reg-set.h): Include.
1607 (rtx_unstable_p): Do not treat the argument pointer specially
1608 if it is not a fixed register.
1609 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1611 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1613 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1614 against last real insn in basic block.
1615 Rework to avoid gotos.
1617 * Makefile.in (gcse.o): Now includes ggc.h.
1618 * gcse.c: Include ggc.h.
1619 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1620 (try_replace_reg): Remove warning of uninitialize variable.
1621 (process_insert_insn): Call invalid_insn_p to validate insn.
1622 * recog.c (insn_invalid_p): Now global.
1623 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1624 * recog.h (insn_invalid_p): New declaration.
1626 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1628 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1629 assignments from FP constants since 'Y' output code can't handle it.
1630 (eligible_for_sibcall_delay): Likewise.
1632 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1633 Call fancy_abort directly, passing args.
1634 (print_rtl_and_abort): Now a macro, like fancy_abort.
1636 * final.c (output_operand_lossage): Use internal_error, not error.
1638 2001-02-18 Shane Nay <shane@agendacomputing.com>
1640 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1641 structure shift insns.
1643 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1645 * invoke.texi (-fsquangle): Remove documentation.
1646 (-fname-mangling-version): Likewise.
1648 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1650 * optabs.c (expand_abs): Remove reference to
1651 HAVE_contitional_arithmetic.
1652 * combine.c (simplify_set): Likewise.
1654 2001-02-18 Richard Henderson <rth@redhat.com>
1656 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1659 2001-02-18 Richard Henderson <rth@redhat.com>
1661 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1663 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1665 * reload1.c (reload_cse_simplify_set): Fix typo.
1667 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1669 * diagnostic.c (_fatal_insn): Decrement errorcount.
1671 * invoke.texi (-I): Add note avoiding use for system header files.
1673 * rtl.h (add_clobbers): Remove duplicate declaration.
1674 * recog.h (added_clobbers_hard_reg_p): New declaration.
1675 * genemit.c (struct clobber_pat): New field has_hard_reg.
1676 (gen_insn): Record if added clobbers clobber hard reg.
1677 (gen_split): Avoid unused warning if number of operands is 0.
1678 (output_added_clobbers_hard_reg_p): New function.
1681 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1683 * pa.c (hppa_expand_prologue): Simplify code storing return
1684 pointer. For large (>=8k) frames with a post_store, adjust stack
1685 pointer by 8k-64 first rather than by 64. When testing with
1686 VAL_14_BITS_P, always use the actual value rather than the value
1687 negated. Add blockage to prevent scheduling of spills before
1688 stack frame has been created.
1689 (hppa_expand_epilogue): Simplify code loading return pointer.
1690 Allow a slightly larger range for merge_sp_adjust_with_load case.
1691 When testing with VAL_14_BITS_P, always use the actual value.
1693 * pa.c (pa_adjust_insn_length): Check that block move
1694 pattern is a set before looking at operands.
1696 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1698 * fold-const.c (fold_binary_op_with_conditional_arg): New
1699 function, split out from ...
1701 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1702 conditional arms that throw exceptions.
1704 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1707 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1709 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1710 define HAVE_DECL_* to 1 to mask potential backup declarations.
1711 * configure: Regenerated.
1713 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1715 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1717 2001-02-17 Richard Henderson <rth@redhat.com>
1719 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1720 when replacing a memory load with a register.
1722 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1723 Jan Hubicka <jh@suse.cz>
1725 * recog.c (validate_replace_src_1): New.
1726 (validate_replace_src_data): Likewise.
1727 (validate_replace_src): Use note_uses.
1728 * rtl.h (note_uses): Declare.
1729 * rtlanal.c (note_uses): New.
1731 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1733 * reg-stack.c (stack_def): Make field reg unsigned.
1734 (remove_regno_note): Unsignetize parameter.
1736 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1738 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1739 shladd_operand() call.
1741 2001-02-16 Bruce Korb <bkorb@gnu.org>
1742 Rodney Brown <RodneyBrown@mynd.com>
1744 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1745 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1746 machine restrictions
1747 * fixinc/fixincl.x: regen
1749 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1751 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1753 (hash_scan_insn): Clean up calls to hash_scan_set.
1754 (compute_kill_rd): REGNO now unsigned.
1755 (try_replace_reg): Rework to use simplify_replace_rtx.
1756 (cprop_jump, cprop_cc0_jump): Likewise.
1757 (cprop_insn): Call find_reg_equal_equiv_note.
1758 Reflect changes to cprop_jump and cprop_cc0_jump.
1760 * recog.c (validate_replace_src): Replace in operands of
1761 ZERO_EXTRACT in SET_DEST.
1763 * cse.c (new_label_ref): New variable.
1764 (insert): Set it instead of recorded_label_ref.
1765 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1766 CODE_LABEL for this function, and not already in REG_LABEL note.
1768 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1770 * resource.c (mark_referenced_resources): Fix typo in introductory
1772 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1775 2001-02-16 Jason Merrill <jason@redhat.com>
1777 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1779 (gen_subprogram_die): Don't abort on seeing a second definition if
1780 the previous one was abstract. Don't replace an abstract instance
1781 in the lookup table.
1783 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1784 gen_abstract_function.
1785 * dwarf2out.h: Declare it.
1786 * toplev.c (note_outlining_of_inline_function): New fn.
1787 * toplev.h: Declare it.
1788 * integrate.c (output_inline_function): Call it.
1789 * c-decl.c (duplicate_decls): Call it when redefining an extern
1790 inline. Don't inline the new defn.
1792 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1794 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1796 * .gdbinit: Rename to gdbinit.in.
1797 * gdbinit.in: New file,
1798 * configure.in: Generate .gdbinit from gdbinit.in.
1799 * configure: Regenerated.
1800 * Makefile.in (distclean): Always remove .gdbinit.
1802 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1804 * objc/objc-act.c (start_class): Register implemented_classes with
1807 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1809 * cppfiles.c (_cpp_make_system_header): Generate a file
1812 2001-02-15 Jim Meyering <meyering@lucent.com>
1814 * Makefile.in (install-common): Don't depend on installdirs here.
1815 Instead, make each of the lang.install-common targets (e.g.,
1816 c++.install-common in cp/Make-lang.in) depend on it.
1817 (install-driver): Depend on installdirs.
1819 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1821 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1823 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1826 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1828 * invoke.texi (--param): Document.
1830 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1832 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1834 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1836 * i386.md (extendsfdf2_2): Fix constraints.
1838 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1840 * i386.md (fop_df_3 splitter): Fix operand number.
1842 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1844 * invoke.texi (-mreg-alloc): Nuke.
1845 * i386.c (ix86_reg_alloc_order, regs_allocated,
1846 order_regs_for_local_alloc): Nuke.
1847 (override_options): Kill reg_alloc code.
1848 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1849 (REG_ALLOC_ORDER): SSE goes before I387.
1850 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1851 (ix86_reg_alloc_order): Likewise.
1852 * i386-protos.h (ix86_reg_alloc_order): Kill.
1854 2001-02-14 Richard Henderson <rth@redhat.com>
1856 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1858 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1860 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1862 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1864 * i386-protos.h (ix86_memory_move_cost): Move offline.
1865 * i386.c (ix86_register_move_cost): Compute properly cost of
1866 SSE, MMX and i387 instructions.
1867 (*_cost): Add costs of SSE/MMX moves.
1868 (ix86_memory_move_cost): Move offline from ....; Likewise.
1869 * i386.h (MEMORY_MOVE_COST): .... here;
1870 (struct processor costs): Add new fields to represent costs
1873 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1875 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1876 move_cost together with Matt Kraai's fix.
1878 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1880 * Makefile.in (OBJS): Add params.o.
1882 2001-02-14 Richard Henderson <rth@redhat.com>
1883 DJ Delorie <dj@redhat.com>
1885 * jump.c (jump_optimize_1): When we delete a conditional jump
1886 preceeding a non-conditional jump to effectively the same place,
1887 make sure that the combined jump skips any clobber insns between
1890 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1892 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1894 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1896 * Makefile.in (toplev.o): Depend on params.h.
1897 (intergate.o): Likewise.
1898 (params.o): New target.
1899 * flags.h (inline_max_insns): Remove.
1900 * integrate.c: Include params.h.
1901 Use MAX_INLINE_INSNS instead of inline_max_insns.
1902 * params.c: New file.
1903 * params.h: Likewise.
1904 * params.def: Likewise.
1905 * toplev.c: Include params.h.
1906 (lang_independent_params): New variable.
1907 (decode_f_option): Use the param machinery instead of setting
1909 (independent_decode_option): Handle "--param name=value".
1910 (main): Register language-independent parameters.
1912 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1914 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1916 2001-02-14 Richard Henderson <rth@redhat.com>
1918 * regclass.c (init_reg_sets_1): Revert last two changes.
1920 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1922 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1923 (variable_size): Call put_pending_size.
1924 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1925 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1926 sizes list, put newly created SAVE_EXPR there as well.
1928 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1930 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1931 (errata_find_address_regs): load_group has only 2 entries.
1932 (errata_emit_nops): Likewise. shladd is not problematic.
1933 Clear last_group if nop was emitted.
1934 (fixup_errata): load_group has only 2 entries.
1937 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1939 * c-lex.c (lex_number): Only warn traditionally for U suffix
1940 outside system macros.
1941 * cppexp.c (parse_number): Similarly.
1942 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1943 * cppmacro.c (struct cpp_macro): New member node.
1944 (parse_args): Only warn about missing rest args if not
1946 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1947 (cpp_sys_objmacro_p): New.
1948 (_cpp_create_definition): Store the node with the macro defn.
1949 Remember if the macro is defined in a system header.
1951 2001-02-13 DJ Delorie <dj@redhat.com>
1953 * configure.in (check_languages): determine languages to check
1954 * Makefile.in (check-c++): alias for check-g++
1955 (check-f77): alias for check-g77
1956 (CHECK_TARGETS): depend on configured languages
1958 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1960 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1961 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1962 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1963 (sqrtextendsfdf2): Disable for SSE2.
1965 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1967 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1968 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1969 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1970 (sqrtextendsfdf2): Disable for SSE2.
1972 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1974 * i386.md (movsfcc_1): Support integer cmove instruction.
1975 (movdfcc_1): Likewise; new splitter.
1977 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1979 * i386.c (output_fp_compare): Support SSE.
1980 (prepare_fp_compare_args): SSE comparisons always support memory.
1981 * i386.h (TARGET_CMOVE): SSE imply cmove.
1982 * i386.md (cmp?f2): Enable for SSE too.
1983 (cmpfp_i*): Support SSE.
1985 (cmpfp_i_sse_only): New.
1986 (s*, b* fp expanters): Enable for SSE too.
1987 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1990 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1992 * regclass.c (init_reg_sets_1): Silence warning.
1994 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1996 * i386.md (sqrt?f2): Change to expander.
1997 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1999 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2001 * rtlanal.c (find_reg_equal_equiv_note): New function.
2002 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2003 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2004 * rtl.h: Add declarations for above functions.
2006 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2008 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2010 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2011 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2012 * flow.c (mark_regs_live_at_end): Likewise.
2013 (calculate_global_regs_live): Likewise.
2014 * gcse.c (compute_hash_table): Likewise.
2015 (compute_kill_rd): Likewise.
2016 * resource.c (mark_target_live_regs): Likewise.
2017 * rtl.h (INVALID_REGNUM): New macro.
2019 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2021 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2023 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2025 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2028 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2030 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2032 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2033 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2034 (fop_sf_1_sse, fop_df_1_sse): New patterns
2035 (fop_*): Disable float_extend and float patterns for SSE compilation.
2036 * i386.c (output_387_binary_op): Support SSE.
2038 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2040 * i386.md (dummy_extendsfdf2): Support SSE2
2041 (extendsfdf2): Enable if 80387 or SSE2.
2042 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2043 and no MIX_I387_SSE2
2044 (extendsfdf2_1_sse_only): New pattern.
2045 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2047 (truncdfsf2_1): Support SSE.
2048 (truncdfsf2_2): Support SSE.
2049 (truncdfsf2_2_1_sse): New pattern.
2050 (fixtruncsfsi2): Always use SSE if available.
2051 (fix_truncsfsi_sse): New pattern.
2052 (fix_truncdfsi_sse): New pattern.
2053 (floatsis?f2): Support SSE.
2054 (floatsidf2_i387): New pattern.
2055 (floatsidf2_sse): Likewise.
2057 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2059 * configure.in: Use "have_gnat" variable, not "gnat".
2060 * configure: Regenerated.
2062 * config/sparc/sparc.c (function_value): Treat all non-record
2063 aggregate types like used to treat UNION_TYPE.
2065 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2067 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2068 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2070 (MASK_MIX_SSE_I387): New.
2071 (TARGET_SSE): SSE2 imply SSE.
2072 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2073 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2074 (enum reg_class): Add new classes.
2075 (REG_CLASS_NAMES): Likewise.
2076 (REG_CLASS_CONTENTS): Likewise.
2077 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2078 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2079 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2080 (CLASS_MAX_NREGS): Use new macros.
2081 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2082 * i386.md (pushsf, movsf): Support SSE.
2083 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2084 splitters to use ANY_FP_REGNO_P.
2085 (movdf_nointeger, movdf_integer): Likewise.
2087 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2089 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2090 (try_combine): Use it.
2092 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2094 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2095 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2096 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2097 (REGISTER_MOVE_COST): Likewise.
2098 * i386-protos.h (ix86_secondary_memory_needed,
2099 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2100 * i386.c (ix86_secondary_memory_needed,
2101 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2103 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2105 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2106 (HARD_REGNO_MODE_OK): Move offline to ....
2107 * i386.c (ix86_hard_regno_mode_ok) ... here;
2108 refuse all incorrect modes.
2109 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2111 2001-02-13 Richard Henderson <rth@redhat.com>
2113 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2114 entire operator; replicate that and match_dup the operands.
2115 (cmp_ccx_arith_op_set): Likewise.
2116 (cmp_cc_arith_op_not_set): Likewise.
2117 (cmp_ccx_arith_op_not_set): Likewise.
2119 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2121 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2123 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2125 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2126 (TARGET_NO_BITFIELD_WORD): New macro.
2127 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2128 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2130 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2132 * cselib.c: New file, from simplify-rtx.c.
2133 * simplify-rtx.c: Remove cselib parts.
2134 * Makefile.in: Add cselib.o.
2136 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2138 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2139 (setup_incoming_varargs): Remove warning.
2141 * config/rs6000/rs6000.c (validate_condition_mode): When
2142 flag_fast_math, allow floating-point conditionals to be reversed.
2143 (rs6000_generate_compare): When flag_fast_math, don't generate
2144 cror operations for FP conditionals.
2146 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2148 (ASM_SPEC): Likewise.
2149 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2150 (CC1_SPEC): Likewise.
2151 (LINK_TARGET_SPEC): Likewise.
2152 (CPP_ENDIAN_SPEC): Likewise.
2153 * Makefile.in (check-consistency): New target.
2155 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2157 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2158 "return type defaults" warning for functions with return type
2160 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2161 function declarations by default rather than only when pedantic.
2163 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2165 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2168 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2170 * extend.texi (Deprecated): Deprecate new initializer lists.
2172 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2174 * mkdeps.c (deps_add_default_target): Robustify. Add
2175 basename component only.
2176 * cpp.texi (-M): Describe how default target is generated.
2177 * invoke.texi (-M): Likewise.
2179 2001-02-12 Kazu Hirata <kazu@hxi.com>
2181 * toplev.c (push_float_handler): Remove.
2182 (pop_float_handler): Remove.
2183 * toplev.h: Remove prototypes for the above functions.
2185 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2187 * c-common.c (constant_fits_type_p): New function.
2188 (convert_and_check): Use it.
2190 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2192 * Makefile.in (GXX_ABI_FLAG): Don't define.
2193 * configure.in (--enable-new-gxx-abi): Remove option.
2194 * config.in: Regenerated.
2195 * configure: Likewise.
2197 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2199 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2201 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2202 regular basic block, and arrange for all edges into it to switch
2205 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2207 * Makefile.in (distclean): Do not remove .gdbinit.
2209 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2211 * Makefile.in (gcc.o): Fix typos.
2212 (protize.o): Likewise.
2213 (unprotoize.o): Likewise.
2215 2001-02-11 Richard Henderson <rth@redhat.com>
2217 * tree.c (build1): Check for null operand in last change.
2219 2001-02-11 Richard Henderson <rth@redhat.com>
2221 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2222 (fold): Don't assume a constant isn't foldable.
2223 * tree.c (build): Set TREE_CONSTANT for an expression with no
2224 side-effects and constant operands.
2227 2001-02-10 Richard Henderson <rth@redhat.com>
2229 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2231 2001-02-10 Anthony Green <green@redhat.com>
2233 * cpp.texi (Standard Predefined): Add documentation for
2236 * c-common.c (combine_strings): Improve warning message.
2238 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2240 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2242 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2244 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2246 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2249 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2251 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2254 2001-02-09 Nick Clifton <nickc@redhat.com>
2256 * config/arm/arm.md: Change output contraint on post inc
2257 load/store multiple patterns to be a read/write contraint.
2259 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2261 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2262 .o files when using the -M options.
2264 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2265 David Edelsohn <edelsohn@gnu.org>
2267 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2268 handle DImode constants. Use one TOC entry for SImode and smaller
2269 constants, aligned properly.
2271 2001-02-08 Jason Merrill <jason@redhat.com>
2273 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2274 about the SP adjustment for saving the static chain pointer.
2275 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2276 offset when setting a temporary CFA register.
2278 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2280 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2281 powerpc-*-chorusos* .
2282 * config/rs6000/chorus.h : New file.
2283 * config/i386/chorus.h : New file.
2284 * config/sparc/chorus.h : New file.
2285 * config/sparc/t-chorus-elf : New file.
2287 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2289 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2290 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2291 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2292 (__WCHAR_TYPE__): Correct macro name.
2294 2001-02-08 Richard Henderson <rth@redhat.com>
2296 * config/i386/i386.c (ix86_frame_pointer_required): New.
2297 (ix86_setup_frame_addresses): New.
2298 (struct machine_funciton): Add accesses_prev_frame.
2299 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2300 ix86_frame_pointer_required.
2301 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2302 (SETUP_FRAME_ADDRESSES): New.
2303 * config/i386/i386-protos.h: Update.
2304 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2305 from FRAME_POINTER_REQUIRED.
2306 * config/i386/svr3gas.h: Likewise.
2307 * config/i386/sysv3.h: Likewise.
2308 * config/i386/v3gas.h: Likewise.
2310 2001-02-08 Richard Henderson <rth@redhat.com>
2312 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2313 calculation of the number of integer registers required.
2314 (function_arg_record_value): Likewise.
2316 2001-02-08 Jason Merrill <jason@redhat.com>
2318 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2319 two. Print file and line with "confused" message.
2321 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2323 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2325 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2327 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2329 * final.c (cleanup_subreg_operands): The address of a MEM can
2332 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2335 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2337 * gcc.texi (Incompatibilities): Update documentation of
2338 preprocessing numbers.
2340 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2342 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2344 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2346 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2348 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2349 * gcc.c (struct compiler): Add cpp_spec field.
2350 (input_file_compiler): New variable.
2351 (do_spec_1): Allow a particular compiler to handle `%C'
2353 (main): Store the current compiler in input_file_compiler.
2354 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2356 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2358 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2359 * cppinit.c (cpp_create_reader): Initialize them.
2360 (append_include_chain): cxx_aware arg might be unused.
2361 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2362 keywords and give them their phase 7 meaning. Pedwarn about
2363 this unless '__bool_true_false_are_defined' is defined.
2365 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2367 * lcm.c (optimize_mode_switching): Emit mode_set before the
2368 JUMP_INSN of an abnormal edge.
2370 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2372 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2373 a scheduling barrier at the end.
2375 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2377 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2379 * config/sh/sh.md (reload_outsf): Removed.
2380 (movsf_ie): Introduce constraints for FPUL loads and stores.
2381 (reload_insf): Broaden the output constraint.
2383 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2385 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2386 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2388 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2390 * final.c: Revert my previous changes.
2391 * output.h: Make profile_label_no extern.
2392 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2393 for generating label.
2395 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2397 * config/i386/djgpp.h: Add comments about standard paths.
2398 (MD_EXEC_PREFIX): Undefine before defining.
2399 (MD_STARTFILE_PREFIX): New.
2401 2001-01-30 Bruce Korb <bkorb@gnu.org>
2403 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2404 (load_file): do not rely on load_file_data() to close file pointer
2405 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2406 fixinc/inclhack.def(irix_limits_const): add test_text
2408 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2410 * cppexp.c (parse_defined): Improve diagnostics for invalid
2413 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2415 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2417 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2419 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2420 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2421 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2422 (rs6000_output_symbol_ref): New function.
2423 (output_toc): Use VTABLE_NAME_P.
2425 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2427 * print-tree.c (print_node, case PARM_DECL):
2428 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2430 * stor-layout.c (reference_types_internal): New variable.
2431 (internal_reference_types): New function.
2432 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2433 * tree.h (internal_reference_types): New declaration.
2435 * cse.c (find_best_addr): Fix typo in computing cost.
2437 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2439 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2440 and this is the sum of a pointer and a constant, we know the result
2442 (num_sign_bit_copies, case PLUS): Likewise.
2443 * explow.c (convert_memory_address): Remove opposite SUBREG.
2444 * function.c (instantiate_new_reg): New function (from common code).
2445 (instantiate_virtual_regs_1): Call it.
2446 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2447 if pointers sign- or zero-extend.
2448 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2449 If pointers extend unsigned, use inside of SUBREG.
2450 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2452 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2454 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2455 subdir of gcc_gxx_include_dir.
2456 (gcc_gxx_target_include_dir): Remove.
2458 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2460 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2461 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2462 a high-level description.
2464 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2466 * final.c: Move the declaration of profile_label_no to ...
2467 * output.h: ... here.
2468 * function.c (expand_function_start): Call PROFILE_HOOK.
2469 * config/rs6000/aix.h: Define PROFILE_HOOK.
2470 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2471 * config/rs6000/rs6000.c (output_profile_hook): Define.
2472 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2473 output_profile_hook.
2474 tm.texi : Explain new macro PROFILE_HOOK.
2476 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2478 * extend.texi (Extended Asm): Do not say that semicolon is always
2479 a valid line-breaking character for GNU assemblers. Use
2480 newline-tab as the most commonly supported syntax. Use
2481 newline-tab rather than semicolon in multi-insn examples.
2483 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2485 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2487 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2488 David Edelsohn <edelsohn@gnu.org>
2490 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2491 code for AIX, even without flag_pic.
2493 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2495 * c-typeck.c (common_type): push and pop binding level around
2496 calling common_type on function parameters.
2498 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2500 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2502 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2504 * config/mips/mips.c (override_options): Fix typo in last change.
2505 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2506 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2508 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2510 * invoke.texi (-fdump-class-layout): Document.
2511 (-fdump-translation-unit): Use `=' as filename separator.
2513 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2515 * Makefile.in (s-mlib): Don't build multilibs if
2517 (DRIVER_DEFINES): Adjust accordingly.
2519 (protoize.o): Likewise.
2520 (unprotoize.o): Likewise.
2521 * configure.in: Recognize --enable-multilib.
2523 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2525 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2527 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2528 * configure.in: Remove --enable-libstdcxx_v3 support.
2529 * configure: Regenerated.
2531 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2533 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2534 Call abort instead of fatal.
2535 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2536 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2537 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2538 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2539 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2540 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2542 * diagnostic.h (set_internal_error_function): Renamed.
2543 * toplev.h (internal_error): Renamed from fatal.
2544 (pfatal_with_name): Deleted.
2545 (fatal_io_error): Now has printf-style arguments.
2546 * diagnostic.c (pfatal_with_name): Deleted.
2547 (fatal_io_error): Rework to have args in printf-style.
2548 (set_internal_error_function): Renamed from set_fatal_function.
2549 (internal_error): Renamed from fatal.
2550 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2551 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2552 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2553 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2554 * flow.c (verify_flow_info): Likewise.
2555 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2556 * config/mips/mips.c (save_restore_insns): Likewise.
2558 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2559 * flow.c (verify_flow_info): Likewise.
2560 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2561 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2562 (avr_normalize_condition): Likewise.
2563 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2564 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2565 (limit_reload_class, double_reg_to_memory): Likewise.
2566 (print_operand_address, emit_1600_code_shift): Likewise.
2567 (gen_tst_reg, gen_compare_reg): Likewise.
2568 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2569 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2571 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2573 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2574 * objc/objc-act.c (build_ivar_chain): Likewise.
2575 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2577 * graph.c (clean_graph_dump_file): Likewise.
2578 * profile.c (init_branch_prob): Likewise.
2579 * objc/objc-act.c (objc_init): Likewise.
2581 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2582 * config/avr/avr.c (avr_override_options): Likewise.
2583 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2584 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2585 * config/h8300/h8300.c (h8300_init_once): Likewise.
2586 * config/mips/mips.c (override_options): Likewise.
2587 * config/i386/i386.c (override_options): Likewise, rework.
2588 * config/m68k/m68k.c (override_options): Likewise.
2590 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2592 * config/mips/mips.c (print_operand): Likewise.
2593 * hash.c (hash_allocate): Don't check for failure returns from
2594 obstack functions that can't fail.
2595 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2596 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2597 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2598 (get_object_reference): Likewise.
2600 2001-02-04 Nick Clifton <nickc@redhat.com>
2602 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2603 StrongARM1110, 10TDMI, and 1020T.
2605 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2607 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2609 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2611 * config/sh/sh.md (movdf load split): Pass register number to
2612 FP_OR_XD_REGISTER_P.
2614 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2616 * cppinit.c (BC): New macro.
2617 (builtin_array): Add __GXX_WEAK__.
2618 * cpplib.h (builtin_type): Add BT_WEAK.
2619 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2620 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2621 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2623 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2625 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2627 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2629 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2630 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2632 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2634 * cpphash.h: Rename ALIGN _ALIGN.
2635 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2637 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2639 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2640 compilation environment.
2641 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2642 control over location of cygwin includes and libs.
2644 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2646 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2648 2001-02-02 lars brinkhoff <lars@nocrew.org>
2650 * md.texi (Standard Names): remove reference to spur.md.
2652 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2654 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2655 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2656 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2657 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2658 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2660 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2662 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2663 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2664 number before reload.
2665 (c4x_adjust_cost): Return zero before reload.
2666 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2667 split before reload.
2669 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2671 * c4x.c (c4x_hard_regno_rename_ok): New.
2672 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2673 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2675 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2677 * diagnostic.h: Add missing "extern" in all declarations.
2679 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2681 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2682 as for gcc_gxx_include_dir.
2684 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2686 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2688 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2690 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2691 label before alignment to be used as the braf base address.
2692 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2694 (casesi_jump_2): Require at least TARGET_SH2.
2696 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2697 truncation to 32-bit doubles on -m3e and -m4-single-only.
2699 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2701 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2702 the default when building a shared object.
2703 (init_spec): Use it.
2704 * testsuite/lib/g++.exp: Include the directory where libgcc
2705 is located to the LD_LIBRARY_PATH list.
2706 * invoke.texi (-shared-libgcc): Document the cases in which
2707 GCC defaults to using the shared libgcc.
2709 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2711 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2712 unsigned is wide enough.
2714 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2715 (si_to_float): Likewise.
2716 (float_to_si, float_to_usi): Use BITS_PER_SI.
2718 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2720 * dwarf2out.c: Added explanation of abbreviations.
2721 (def_cfa_1): Added comments listing DWARF2 instructions.
2722 (cfa_temp_reg): Removed in favor of cfa_temp.
2723 (cfa_temp_value): Removed in favor of cfa_temp.
2724 (cfa_temp): New global variable.
2725 (dwarf2out_frame_debug_expr): Added extensive introductory
2726 comments explaining the function's transformations. Revised to
2727 use cfa_temp. Added some rtx checking. Generalize IOR case.
2728 (dwarf2out_frame_debug): Revised to use cfa_temp.
2729 (output_aranges): Cast as "unsigned" to avoid warning.
2730 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2731 explain which instructions must be marked.
2733 2001-02-01 Richard Henderson <rth@redhat.com>
2735 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2738 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2740 * config/sh/crt1.asm (main_k): Modified so that start calls
2741 ___setup_argv_and_call_main.
2743 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2745 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2746 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2747 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2748 * cppmacro.c (builtin_macro): Set builtin flags here.
2749 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2750 (replace_args): Clarify intent.
2751 (cpp_get_token): Macro expansion tokens get the saved flags.
2753 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2756 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2758 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2761 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2763 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2764 returns Pmode pseudo, but we need ptr_mode.
2765 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2766 Remove bogus conversions; use HOST_WIDE_INT for size.
2767 Don't use TARGET if wrong mode.
2769 * config/i386/i386.c (ix86_compute_frame_size): Allow
2770 stack_alignment_needed to be non-default even if size is zero.
2772 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2774 * (hppa_init_pic_save): Emit the pic offset table
2775 reg save after last_parm_insn.
2776 * pa.c (hppa_init_pic_save): New function.
2777 * pa.h (hppa_init_pic_save): Declare.
2778 * pa.md (call, call_value, sibcall, sibcall_value): Use
2779 the above instead of duplicated code.
2781 * pa.c (hppa_encode_label): Correct size of alloca buffer
2782 so we don't overrun it. Correct leading `*' case.
2783 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2784 need to handle `*@'.
2785 (FUNCTION_NAME_P): Likewise.
2787 2001-01-31 Richard Henderson <rth@redhat.com>
2789 * config.gcc (alpha-osf5): Use float-i128.h.
2791 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2792 * config/float-i32.h: Likewise.
2793 * config/float-i64.h: Likewise.
2794 * config/float-sh.h: Likewise.
2795 * config/float-sparc.h: Likewise.
2797 2001-01-31 DJ Delorie <dj@redhat.com>
2799 * expmed.c (extract_bit_field): allow non-integral modes if we
2800 want to extract a whole register from itself.
2802 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2804 * c-typeck.c (set_init_index): If first is equal to last, assume as
2805 if it was not a range at all.
2807 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2809 * config/fp-bit.c: Include tm.h.
2810 (float_to_si): Don't assume SImode is 32-bits wide.
2811 (float_to_usi): Likewise.
2813 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2815 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2817 (typename): Call pending_xref_error after parsing typed_typespecs.
2818 * c-decl.c (lookup_tag): Give error immediately rather than
2819 leaving it pending if the tag of the wrong type is in the same
2821 (xref_tag): Don't pedwarn for forward declarations of enum types
2823 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2826 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2828 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2830 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2832 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2833 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2835 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2837 * cpphash.h (struct cpp_reader): New saved_flags.
2838 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2839 to avoid a paste after a pasted token.
2841 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2843 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2844 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2845 Wtype_MIN instead of LONG_MIN.
2847 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2849 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2851 * fixinc/fixincl.x: Regenerated.
2852 * fixinc/inclhack.def (irix_limits_const): New definition to
2853 convert "const" to "__const" in limits.h.
2855 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2857 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2859 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2861 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2862 when register dies in the insn.
2864 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2866 * diagnostic.c (fatal): Fix word wrap.
2868 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2870 * combine.c (try_combine): Fix SUBREG setting for
2871 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2873 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2875 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2878 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2880 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2882 * toplev.c (decode_W_option): Update warn_larger_than
2883 unconditionally for each processed switch.
2885 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2887 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2889 (hppa_expand_prologue): Delete code to save pic offset table register
2890 in the function prologue.
2891 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2892 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2893 table register at the beginning of the function after the prologue.
2895 2001-01-29 lars brinkhoff <lars@nocrew.org>
2897 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2899 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2900 Jeff Law <law@redhat.com>
2902 * pa.md (return): Revise comment for trivial return.
2903 (return_internal): Non-trivial return pattern for non-PIC code.
2904 (return_internal_pic): Non-trivial return pattern for PIC code.
2905 It uses the PIC register to ensure it is restored after
2907 (epilogue): Generate appropriate return for PIC and non-PIC code.
2909 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2911 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2913 2001-01-29 DJ Delorie <dj@redhat.com>
2915 * combine.c (if_then_else_cond): Pass the correct mode to
2916 operand_subword() for constants.
2918 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2920 * config/i386/cygwin.h: Add w32api to include search. Search different
2921 directories in a cross-build environment.
2923 2001-11-29 Tim Josling <tej@melbpc.org.au>
2925 * tree.h (TYPE_STUB_DECL): Add documentation.
2927 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2929 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2930 (sdbout_field_types): Likwise. Fix use of host_integerp.
2932 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2934 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2937 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2939 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2940 to use flag_gnu_linker.
2942 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2944 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2945 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2947 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2949 * tree.c, tree.h (build_parse_node): Remove; was identical to
2951 * c-lang.c (start_cdtor), objc/objc-act.c
2952 (build_module_descriptor): Use build_nt instead of
2955 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2957 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2958 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2959 not have any upper bits set.
2961 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2963 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2965 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2967 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2969 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2971 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2972 (integer_minus_one_node): Define.
2974 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2976 * Makefile.in (bootstrap2-lean): Fix typo.
2978 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2980 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2981 : Don't set fe_value.
2982 * cpplib.h (AVOID_LPASTE): New flag.
2983 (struct cpp_hashnode): Remove fe_value.
2984 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2985 * cppmacro.c (builtin_macro): Don't set flags here.
2986 (replace_args): Set AVOID_LPASTE flag on first token of an
2987 argument, and the token following it.
2988 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2989 macro expansion, and on the token following it. Do it for
2991 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2993 2001-01-27 Richard Henderson <rth@redhat.com>
2995 * config/alpha/t-ieee: Remove multilibbing.
2996 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2998 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3000 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3002 * Makefile.in: Remove all dependencies on defaults.h.
3003 * builtins.c: Don't include defaults.h.
3004 * c-common.c: Likewise.
3005 * c-decl.c: Likewise.
3006 * c-pragma.c: Likewise.
3007 * c-typeck.c: Likewise.
3008 * combine.c: Likewise.
3010 * frame-ia64.c: Likewise.
3011 * cppexp.c: Likewise.
3012 * crtstuff.c: Likewise.
3013 * dbxout.c: Likewise.
3014 * dwarf2out.c: Likewise.
3015 * dwarfout.c: Likewise.
3016 * emit-rtl.c: Likewise.
3017 * except.c: Likewise.
3019 * final.c: Likewise.
3020 * frame-dwarf2.c: Likewise.
3021 * libgcc2.c: Likewise.
3022 * optabs.c: Likewise.
3023 * profile.c: Likewise.
3024 * sdbout.c: Likewise.
3025 * toplev.c: Likewise.
3026 * tradcif.y: Likewise.
3028 * varasm.c: Likewise.
3030 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3032 * builtins.c (expand_builtin_fputs): Use size_one_node when
3033 transforming into fwrite.
3035 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3037 * extend.texi (Attribute Syntax): New section.
3039 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3041 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3042 they didn't need fixing.
3044 2001-01-27 Janis Johnson <janis@us.ibm.com>
3046 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3048 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3049 to remove macro definitions that are duplicated from elfos.h.
3051 2001-01-27 Richard Henderson <rth@redhat.com>
3053 * config/i386/sco5gas.h: Move ...
3054 * config/usegas.h: ... here.
3055 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3057 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3059 * c-typeck.c (struct constructor_stack): Add range_stack member.
3060 (really_start_incremental_init): Clear it.
3061 (push_init_level): Save constructor_range_stack and clear it if
3062 pushing explicit braces.
3063 (pop_init_level): abort if constructor_range_stack is non-zero at
3064 explicit closing brace. Restore saved constructor_range_stack if
3067 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3069 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3070 into register was forced into memory.
3072 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3074 * Makefile.in: Remove uses of + before $(MAKE).
3076 2001-01-26 Richard Henderson <rth@redhat.com>
3078 * stmt.c (cost_table): Remove.
3079 (COST_TABLE, cost_table_initialized): New.
3080 (estimate_case_costs): Use the later instead of the former.
3081 (balance_case_nodes): Likewise.
3083 2001-01-26 Richard Henderson <rth@redhat.com>
3085 * alias.c (objects_must_conflict_p): Read-only slots may not
3086 conflict despite having the same type.
3088 2001-01-27 Michael Hayes <mhayes@redhat.com>
3090 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3092 (check_ext_dependant_givs): Initialise u_start_val and
3094 (load_mems): Make last_max_reg unsigned.
3095 (try_swap_copy_prop): Use INSN_P and initialise set.
3097 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3099 * README.AVR : Removed.
3101 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3103 * pa-64.h (text_section): Remove declaration.
3105 * pa.md (return_internal): Remove mode on PIC register use.
3107 2001-01-25 lars brinkhoff <lars@nocrew.org>
3109 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3110 ASM_CLOSE_PAREN): fix typos.
3112 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3114 * acconfig.h: Define `const' to the empty string if neither
3115 __STDC__ nor __cplusplus is defined.
3116 * config.in: Regenerated.
3118 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3120 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3121 * collect2.c (main): Delete importf. Add ".obj" file extension.
3122 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3123 (aix_std_libs): Add additional AIX libraries to skip.
3124 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3125 * config/rs6000/aix51.h: New file.
3127 2001-01-25 Michael Hayes <mhayes@redhat.com>
3129 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3130 (loop_insn_emit_before): No longer static.
3131 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3132 (loop_givs_rescan, load_mems): Likewise.
3133 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3134 (maybe_eliminate_biv_1):
3135 (move_movables): Replace emit_call_insn_before with
3136 loop_call_insn_hoist.
3137 * loop.h (loop_insn_emit_before): Add.
3138 * unroll.c (copy_loop_body): Replace emit_insn_before with
3139 loop_insn_emit_before.
3141 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3143 * diagnostic.c (fatal): Request preprocessed source.
3145 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3147 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3148 olddecl has argument types and newdecl has none, use the argument
3151 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3153 * dwarf2out.c (prefix_of): New function. Determine longest common
3154 prefix of the two arguments. The units are whole path components.
3155 (output_file_names): When adding a new directory find the one entry
3156 with the longest common prefix already in the list. Artificially
3157 generate entry if there is none for this prefix.
3158 Fix test to check whether the zeroth directory entry is used.
3160 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3162 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3163 Changed all callers. Take it into account when deciding if a
3164 previously loaded value matches.
3166 2001-01-24 Richard Henderson <rth@redhat.com>
3168 * reload.c (find_reloads_subreg_address): Fail the substitution
3169 if the resulting address is insufficiently aligned.
3171 2001-01-24 DJ Delorie <dj@redhat.com>
3173 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3174 check the original operand's mode also.
3175 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3177 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3179 * c-parse.in (cast_expr): Move compound literals from here ...
3180 (primary): ... to here. Use standard terminology "compound
3181 literal" instead of "constructor expression".
3183 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3185 * gcc.1, cpp.1: Regenerate.
3187 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3189 * calls.c (emit_library_call_value_1): Memory slot for
3190 pass-by-reference argument should have the mode of the argument,
3191 not of the pointer to it.
3193 2001-01-24 Tom Tromey <tromey@redhat.com>
3195 * gcc.texi (G++ and GCC): Mention gcj manual.
3196 (Standards): Link to section of manual mentioning gcj/Java
3199 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3201 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3202 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3203 * tradcpp.c (main): Add -imacros or -include'd dependencies
3205 * cpp.texi (-M, -MM): Document -M -include behaviour.
3207 2001-01-24 Roger Collins <roger@ProProject.com>
3209 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3211 2001-01-24 Will Cohen <wcohen@redhat.com>
3213 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3214 whether registers are 32 bits or 64 bits in size.
3216 2001-01-24 Ben Elliston <bje@redhat.com>
3218 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3220 2001-01-24 Richard Henderson <rth@redhat.com>
3222 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3223 (builtin_longjmp): Use it instead of emit_indirect_jump.
3225 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3227 * bb-reorder.c (make_reorder_chain_1): Handle case where
3228 jump edge goes to the same block as the fallthru edge.
3230 2001-01-23 Jim Wilson <wilson@redhat.com>
3232 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3233 * frame.h (__ia64_personality_v1): Add prototype.
3234 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3235 prototype form. Add void * cast to first argument to personality
3237 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3238 (asctoe113): Likewise.
3239 * config/ia64/frame-ia64.c: Include eh-common.h.
3240 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3242 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3244 (itanium_split_issue): Add prototype.
3245 (gen_nop_type): Ifdef out.
3246 (find_best_packet): Initialize best_packet.
3247 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3249 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3250 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3251 (flushrs): Add explicit stop bit at end.
3252 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3255 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3257 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3259 * libgcc2.c (__terminate_func): Make variable static.
3260 (__terminate_set_func): New function to set __terminate_func.
3261 * libgcc2.h (__terminate_func_ptr): New typedef.
3262 (__terminate_set_func): New function.
3264 2001-01-23 Richard Henderson <rth@redhat.com>
3266 * flow.c (init_propagate_block_info): Don't consider unchanging
3267 memories for dead frame store elimination.
3269 2001-01-23 Richard Henderson <rth@redhat.com>
3271 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3272 * defaults.h: ... here.
3274 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3276 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3278 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3280 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3282 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3284 * rs6000.h (rs6000_return_addr): Move prototype from here...
3285 * rs6000-protos.h (rs6000_return_addr): ...to here.
3286 (rs6000_init_expanders): Delete prototype.
3288 2001-01-23 Nick Clifton <nickc@redhat.com>
3290 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3291 (Spec Files): Document %B and %j and %. and %v3 and %M and
3292 %{S*&T} spec switches.
3294 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3296 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3298 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3299 Neil Booth <neil@daikokuya.demon.co.uk>
3301 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3302 Have -Werror make pedantic warnings errors, like the
3305 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3307 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3309 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3311 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3312 * integrate.c (expand_inline_function): Initialize them.
3313 (subst_constants): If changing COMPARE so that both its arguments
3314 will be VOIDmode and the comparison mode will be lost, note
3315 compare_mode. Use the recorded compare_mode to optimize
3318 2001-01-23 Jason Merrill <jason@redhat.com>
3320 * dwarf2out.c (new_die): Use xcalloc.
3321 (output_die): Abort rather than emit a local reference to offset 0.
3323 2001-01-17 Andrew Haley <aph@redhat.com>
3325 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3326 of a saved register; return NULL instead.
3327 (copy_reg): Take a pointer to a source register rather than a
3329 (next_stack_level): Remember the address in the stack frame of all
3331 Use the saved register pointer array as the source of the CFA.
3332 (throw_helper): Rewrite. Unwind once rather than twice and keep
3333 track of saved registers as we go.
3335 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3337 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3338 * c4x.c (c4x_legitimize_reload_address): Remove.
3339 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3340 reload address for ldp(k) insn.
3342 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3344 * pa.md (return_internal): Add a USE of the PIC register to ensure
3345 it is restored after each call.
3346 (return expander): Corresponding changes.
3348 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3350 * rs6000.h (INIT_EXPANDERS): Delete.
3351 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3352 * rs6000.c (rs6000_override_options): Call *_machine_status from
3354 (rs6000_init_expanders): ...instead of here. Delete.
3355 (rs6000_mark_machine_status): New function.
3356 (rs6000_init_machine_status): Use xcalloc.
3357 (rs6000_return_addr): Generate RTX for the return address.
3358 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3359 (rs6000_stack_info): Use it.
3361 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3363 * gthr-win32.h: Include errno.h to get a declaration for
3364 EINVAL and _mingw.h if the target is mingw32.
3366 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3368 * cpp.texi: Correct typos.
3370 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3372 * explow.c (probe_stack_range): Ensure value passed to
3373 stack_check_libfunc is ptr_mode, not Pmode.
3375 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3377 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3378 case, don't use operand_subword to calculate a SUBREG that is
3381 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3383 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3385 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3386 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3387 valid. If not replace it by equivalent insns.
3389 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3391 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3392 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3393 (c4x_U_constraint, symbolic_address_operand): Likewise.
3394 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3396 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3397 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3398 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3399 anulling slot because of silicon bug.
3400 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3402 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3404 * cppexp.c (parse_charconst): Change `mask' type to agree
3407 2001-01-21 Richard Henderson <rth@redhat.com>
3409 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3410 pic_label_name in a linkonce section.
3412 2001-01-17 Philipp Thomas <pthomas@suse.de>
3414 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3416 * configure: Regenerate.
3418 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3420 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3421 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3423 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3425 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3426 If REVERSE nonzero then condition code in X must be reversed.
3427 (encode_section_info): Optimise if/else.
3428 (avr_function_value): Fix formatting.
3430 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3431 (difficult_branch): Likewise.
3432 (rvbranch): Likewise.
3433 (difficult_rvbranch): Likewise.
3435 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3437 * config/avr/libgcc.S: Fix comment.
3439 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3441 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3443 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3445 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3447 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3449 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3450 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3451 * configure, config.in: Regenerate.
3452 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3453 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3454 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3455 (doprint.o): New rule.
3457 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3459 * c-typeck.c (digest_init): Handle boolean types as scalars.
3461 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3463 * stmt.c (expand_return): Don't return anything if size is zero.
3464 Delete redundant assignment to BYTES.
3465 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3467 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3469 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3470 the same as the default library function names.
3471 * config/avr/avr.md: Document special characters after '%'.
3472 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3473 knowing which of the call-used registers are really clobbered.
3474 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3475 New. Both quotient and remainder from one libgcc.S call.
3476 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3477 clobber as few registers as possible.
3478 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3480 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3482 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3483 context of the top of the stack.
3485 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3487 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3488 (fixup_var_refs_insns): ...here.
3490 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3492 * function.c (fixup_var_refs_insns): Break up into
3493 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3494 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3495 [loop over hash table entries].
3496 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3497 fixup_var_refs_insns_with_hash, to match above changes.
3499 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3501 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3502 (libgcc.a): Likewise.
3503 (stmp-multilib): Likewise.
3504 (STAGE2_FLAGS_TO_PASS): Likewise.
3506 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3508 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3509 temporary if no_new_pseudos.
3511 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3513 * cppinternals.texi: Update.
3515 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3517 * arm.c (arm_init_builtins): Re-enable builtins.
3519 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3521 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3522 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3523 element to be null, and always expect an EXPR_LIST.
3524 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3525 * sched-deps.c (sched_analyze_1): Likewise.
3526 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3528 * regclass.c (max_set_parallel): New variable.
3529 (reg_scan): Take it into account in computation of max_parallel.
3530 (reg_scan_mark_refs, case SET): Compute it.
3532 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3534 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3535 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3537 2001-01-19 Jason Merrill <jason@redhat.com>
3539 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3540 for the abstract instance of an inline function.
3542 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3543 J"orn Rennecke <amylaar@redhat.com>
3545 * reload1.c (move2add_note_store): Treat all registers directly or
3546 indirectly derived from a base register as members of the same set
3548 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3549 of base register into account.
3551 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3553 * alias.c (find_base_value): Recognize TRUNCATE.
3554 (record_set): In PLUS case, invalidate if other summand is also a
3557 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3559 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3560 entry to be EXPR_LIST.
3561 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3562 be an EXPR_LIST (but not null, which other code doesn't allow).
3563 (note_stores): Properly handle PARALLEL in SET.
3564 Recursively call for top-level PARALLEL.
3565 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3566 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3568 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3570 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3572 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3573 not pfile->skipping (== 0).
3575 2001-01-17 Nick Clifton <nickc@redhat.com>
3577 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3580 2001-01-17 Jim Wilson <wilson@redhat.com>
3582 * invoke.texi (IA-64 options): Improve.
3584 2001-01-17 Tom Tromey <tromey@redhat.com>
3586 * invoke.texi (Optimize Options): Use `{}' to around @samp
3589 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3591 * invoke.texi (-fno-guess-branch-probability): New option.
3593 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3595 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3596 case of making new double-word constant.
3597 Revert last change: instead just test i3_subst_into_i2.
3599 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3601 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3602 Use q constraints instead of r.
3604 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3606 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3607 (machine_function): Define.
3608 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3609 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3610 pa_free_machine_status): New functions.
3611 (override_options): Set {init,mark,free}_machine_status to above.
3612 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3613 PIC_OFFSET_TABLE_REGNUM_SAVED.
3614 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3615 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3616 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3617 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3618 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3620 2001-01-15 DJ Delorie <dj@redhat.com>
3622 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3626 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3628 * flow.c (propagate_on_insn): Make trying to delete a prologue
3629 or epilogue insn an ICE, not a warning. Allow doing this if
3630 the current function returns with stack pointer depressed.
3632 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3633 I3 having more than one SET.
3635 2001-01-16 Jim Wilson <wilson@redhat.com>
3637 * invoke.texi: Document IA-64 options.
3639 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3640 (fixup_errata): Delete TARGET_A_STEP use.
3641 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3642 (TARGET_SWITCHES): Delete -ma-step option.
3643 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3644 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3645 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3646 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3647 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3648 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3650 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3651 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3652 cmovsi_internal): Delete ! TARGET_A_STEP check.
3654 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3656 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3657 possibility to report bugs via postal mail. Change a URL and
3658 merge in a nearly duplicate statement...
3659 (Bug Reporting): ...from here.
3660 (Service): Refer to the Bug Reporting section instead of
3662 (Contributing): Remove trivial explanations concerning snapshots.
3664 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3666 * cppmain.c (general_init): Don't use ANSI prototype.
3668 2001-01-16 Tom Tromey <tromey@redhat.com>
3670 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3672 2001-01-16 Richard Henderson <rth@redhat.com>
3674 * config/i386/i386.h: Fix comment typo.
3675 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3676 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3678 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3680 * gcc.c: Revert previous -fsyntax-only-related change; move
3683 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3685 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3686 inmode after checking GET_CODE (op).
3688 2001-01-16 Richard Henderson <rth@redhat.com>
3690 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3691 (MAX_MEM_SET_LIST_LEN): New.
3692 (propagate_one_insn): Update mem_set_list_len.
3693 (invalidate_mems_from_autoinc): Likewise.
3694 (invalidate_mems_from_set): Likewise.
3695 (mark_used_regs): Likewise.
3696 (init_propagate_block_info): Likewise. Stop collecting memories
3697 when we reach MAX_MEM_SET_LIST_LEN.
3698 (mark_set_1): Likewise.
3700 2001-01-16 Richard Henderson <rth@redhat.com>
3702 * unroll.c (precondition_loop_p): Fail if no iteration
3705 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3707 * gcc.c: When -fsyntax-only is given, do not complain about
3710 2001-01-15 Richard Henderson <rth@redhat.com>
3712 * config/i386/i386.c (asm_output_function_prefix): Remove.
3713 (ix86_asm_file_end): New.
3714 (load_pic_register): Generate pic_label_name into a
3715 staticly allocated buffer.
3716 * config/i386/i386-protos.h: Update.
3717 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3718 (ASM_FILE_END): New.
3719 * config/i386/i386afe.h: New file.
3720 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3721 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3722 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3723 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3724 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3725 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3726 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3728 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3730 * Makefile.in (install-man): Remove explicit dependency on
3733 * configure.in, configure: Revert previous patch requiring perl
3736 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3738 * toplev.c (flag_guess_branch_prob): New.
3739 (f_options): Add guess-branch-probability option.
3740 (rest_of_decl_compilation): Only estimate branch probability if
3742 (main): set flag_guess_branch_prob.
3744 * flags.h (flag_guess_branch_prob): New.
3746 2001-01-15 DJ Delorie <dj@redhat.com>
3748 * gcc.texi (Makefile): Add documentation for Makefile targets.
3750 2001-01-15 Philip Blundell <philb@gnu.org>
3752 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3754 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3755 (is_pic): Delete declaration.
3756 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3757 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3758 * config/arm/arm.md (builtin_setjmp_receiver): New.
3760 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3762 * arm.c (use_return_insn): Don't try to determine the function type
3763 until after reload has completed.
3764 (arm_output_epilogue): Don't adjust the sp value recovered from the
3766 (emit_multi_reg_push): Don't record dwarf information for the pc.
3767 * arm.md (eh_epilogue): The function type may have changed, so it
3768 needs to be recalculated.
3769 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3770 unwind tables on arm/netbsd.
3772 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3774 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3775 (negated_cbranchsi4): Likewise.
3777 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3779 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3780 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3781 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3782 pass -mapcs-* options to assembler.
3783 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3784 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3785 (ASM_SPEC): Call subtarget_extra_asm_spec.
3787 2001-01-15 Andreas Jaeger <aj@suse.de>
3789 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3791 (ix86_expand_builtin): Likewise.
3793 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3794 warning about comparison between signed and unsigned.
3796 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3798 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3800 2001-01-14 Ralf Baechle <ralf@gnu.org>
3802 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3803 SUBTARGET_CPP_SPEC apropriatly.
3805 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3807 * varasm.c (make_decl_rtl): Fix typo in last change.
3809 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3811 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3812 linker supports the init_priority C++ attribute.
3813 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3814 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3815 linker does not support init_priority C++ attribute.
3817 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3819 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3821 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3823 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3824 * cp/lex.c (finish_parse): Similarly.
3825 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3826 Return the number of errors encountered.
3827 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3828 * cppmain.c (main): Don't call cpp_destroy.
3830 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3832 * configure.in: Require at least perl 5.6.0 to regenerate
3834 * configure: Regenerate.
3836 2001-01-14 Richard Henderson <rth@redhat.com>
3838 * genrecog.c (DT_veclen_ge): New.
3839 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3840 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3841 (nodes_identical_1): Handle DT_veclen_ge.
3842 (write_cond, debug_decision_2): Likewise.
3844 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3846 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3848 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3850 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3852 * cppmain.c (do_preprocessing): New function; most of the old
3854 (main): Call it to do most of the work.
3855 (cb): Move from global scope to set_callbacks ().
3856 (setup_callbacks): Get the callback pointer.
3857 (general_init, printer_init): Clean up code and comments.
3859 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3861 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3864 2001-01-14 Kazu Hirata <kazu@hxi.com>
3866 * config/h8300/h8300.c (get_shift_alg): Update comments.
3868 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3870 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3871 (alloc_page, ggc_alloc): Add casts to remove warnings.
3873 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3875 * combine.c (simplify_comparison): Don't change `code' when
3876 can't reverse comparison.
3878 2001-01-14 Richard Henderson <rth@redhat.com>
3880 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3881 update all call sites. Return true for all non-label constants.
3883 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3885 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3887 (ix86_expand_branch): Update.
3888 (ix86_expand_setcc): Update to handle multiple test conditions.
3889 (expand_int_movcc): Likewise.
3890 (expand_fp_movcc): Likewise.
3891 * i386-protos.h (ix86_expand_compare): New.
3892 * i386.md (andqi_?_slp, orqi_?_slp): New.
3893 (conditional trap expander): Update call to ix86_expand_compare.
3895 2001-01-14 Richard Henderson <rth@redhat.com>
3897 * config/vax/vax.md: Use nonimmediate_operand instead of
3898 general_operand in destinations.
3900 * config/vax/vax.md (indirect_jump): Use register_operand.
3902 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3903 * config/vax/vax.md (call_pop): Turn into an expander.
3904 (call_value_pop): Likewise.
3905 (call, call_value): New.
3907 2001-01-14 Andreas Jaeger <aj@suse.de>
3909 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3911 (ix86_fp_compare_mode): Add unused attribute.
3912 (ix86_expand_fp_movcc): Remove unused variable.
3913 (ix86_expand_builtin): Make fcode unsigned.
3915 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3916 (expand_expr): Add cast to avoid signed warning.
3917 (store_field): Likewise.
3918 (store_constructor_field): Likewise.
3919 (store_constructor): Likewise.
3920 (store_expr): Likewise.
3921 (clear_storage): Likewise.
3922 (emit_group_store): Likewise.
3923 (emit_group_load): Likewise.
3925 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3927 * c-common.c: Move format checking code to ...
3928 * c-format.c: ... here. New file. Reorder some functions and
3930 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3932 * c-common.h (decl_handle_format_attribute,
3933 decl_handle_format_arg_attribute): Declare.
3934 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3935 (c-common.o): Adjust dependencies.
3936 (c-format.o): New list of dependencies.
3938 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3940 * unroll.c (loop_iterations): If we cannot prove iteration variable
3941 is set once in each iteration, punt.
3943 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3945 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3946 (*strlenhi): Remove clobber (which was buggy) of output address.
3948 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3950 * Makefile.in (generated-manpages): Add gcc.1
3951 ($(srcdir)/gcc.1): New target.
3952 (maintainer-clean): Delete $(srcdir)/gcc.1.
3953 * gcc.texi: Add macros @gccoptlist and @gol.
3954 * invoke.texi: Include option summary in manpage. Mark up option
3955 summary with @gccoptlist and @gol. Use @r in one place where
3957 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3958 * gcc.1: Generate from invoke.texi.
3960 2001-01-13 Richard Henderson <rth@redhat.com>
3962 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3963 (struct page_entry): Add group member.
3964 (struct page_group): New.
3965 (struct globals): Add page_groups member.
3966 (alloc_anon): Only define for using mmap; remove valloc call.
3967 (page_group_index): New.
3968 (set_page_group_in_use): New.
3969 (clear_page_group_in_use): New.
3970 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3971 (free_page, release_pages): Likewise.
3972 * configure.in (with-gc): Default to ggc-page always.
3974 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3976 * reload1.c (replace_pseudos_in_call_usage): Use
3977 reg_equiv_constant and reg_equiv_address, and don't try
3978 regno_reg_rtx first.
3980 2001-01-13 Richard Henderson <rth@redhat.com>
3982 * ggc-page.c (alloc_page): Round up allocation size to one page.
3983 Set e->order on extra pages.
3985 2001-01-13 Richard Henderson <rth@redhat.com>
3987 * genrecog.c (nodes_identical): Expand commentary.
3988 (write_switch): Watch out for identical nodes.
3990 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3992 * cppfiles.c (_cpp_fake_include): New function.
3993 * cpphash.h (_cpp_fake_include): New.
3994 * cpplib.c (do_line): Call _cpp_fake_include when entering
3995 header files in preprocessed input.
3996 * cppmain.c (cb_pragma_implementation): Remove handling.
3997 (setup_callbacks): Don't register pragmas.
3999 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4001 * extend.texi: Udate for CPP.
4003 2001-01-13 Andreas Jaeger <aj@suse.de>
4005 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4007 * regmove.c: Add prototype for replace_in_call_usage.
4009 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4011 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4012 struct cpp_chunk, struct htab, struct toklist,
4013 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4014 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4015 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4016 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4017 (struct macro_args): Delete.
4018 * cpphash.h: See above.
4020 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4022 * cppmain.c (struct printer): Remove no_line_dirs.
4024 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4025 : Use options rather than CPP_OPTION.
4026 (setup_callbacks): Use cb rather than pfile->cb.
4027 (main): No need to check for a buffer. Use cpp_errors.
4028 (printer_init): Don't set no_line_dirs.
4029 (maybe_print_line): Use options not no_line_dirs.
4030 (cb_file_change): Don't call print_line if -P.
4032 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4034 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4036 * c-parse.in (finish_parse): Use cpp_errors.
4037 (__yylex): Use return value of cpp_pop_buffer.
4038 * cp/lex.c (finish_parse): Use cpp_errors.
4039 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4041 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4043 * README.AVR: URLs corrected.
4045 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4047 * c-decl.c (start_function): Don't warn if old prototype is builtin
4048 that's not in C's namespace.
4049 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4050 (_bb): Add prototype for ctime.
4051 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4053 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4055 * i386.c (ix86_fp_comparison_arithmetics_cost,
4056 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4057 ix86_fp_comparison_cost): New functions.
4058 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4059 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4060 two-branch sequences; make static.
4061 (ix86_use_fcomi_compare): Do decision according to the costs.
4062 (split_fp_branch): New.
4063 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4064 * i386-protos.h (ix86_expand_fp_compare): Remove
4065 (ix86_split_fp_branch): Declare.
4067 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4068 and ix86_comparison_operator.
4070 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4073 * i386.c (put_condition_code): Output properly the unordered/ordered
4074 compares in fp case.
4075 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4077 * tm.texi (REVERSE_CONDITION): Document.
4078 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4079 in -ffast-math mode.
4080 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4082 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4084 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4086 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4089 * config/sh/sh.c (mova_p): Fix test for mova_const.
4091 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4093 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4094 cpp_get_options rather than dereferencing pfile and using
4096 * scan-decls.c (scan_decls): Use return value of
4097 cpp_pop_buffer rather than CPP_BUFFER.
4099 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4101 * cppinit.c (cpp_handle_option): help_only is now part of the
4102 cpp_options structure.
4103 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4104 cpp_set_callbacks): New functions.
4105 * cpplib.h (cpp_callbacks): Break out as a named structure.
4106 (cpp_options): Move help_only here from cpp_reader.
4107 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4108 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4109 cpp_set_callbacks): New prototypes.
4110 * cppmain.c (main): Update for help_only.
4112 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4114 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4115 Also build and remove and install and uninstall c-tree.info and
4117 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4118 ($(srcdir)/cppinternals.info): New target.
4119 * c-tree.texi: Change file name used when makeinfo used without -o
4120 from ir.info to c-tree.info. Add info directory entry.
4121 * cppinternals.texi: Add info directory entry.
4122 * .cvsignore: Update.
4124 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4126 * c-typeck.c (store_init_value): Don't require constant initializer
4127 elements with -pedantic -std=c99.
4128 (digest_init): Change error about non-constant initializer elements
4130 (constructor_range_end): Remove.
4131 (constructor_incremental, designator_depth,
4132 designator_errorneous): New variables.
4133 (struct constructor_stack): Remove range_end, add incremental.
4134 (struct constructor_range_stack, constructor_range_stack): New.
4135 (struct initializer_stack): Add constructor_range_stack.
4136 (finish_init): Set it.
4137 (start_init): Likewise. require_constant_elements for non-static
4138 trees only if not flag_isoc99.
4139 (really_start_incremental_init): Remove constructor_range_end, add
4140 constructor_incremental.
4141 (pop_init_level): Likewise.
4142 (push_init_level): Likewise. If implicit and the subobject had some
4143 value set already, preinitialize the level with it.
4144 Warn about missing braces only if not pushing due to designators.
4145 (set_designator, push_range_stack): New functions.
4146 (set_init_label): Use them.
4147 (set_init_index): Likewise. Remove constructor_range_end.
4148 Error if designator index is outside of array bounds.
4149 (add_pending_init): Compare values of purpose index trees, not the
4150 trees themselves. Allow overwriting of already initialized element.
4151 Issue a warning if it had side-effects.
4152 (set_nonincremental_init, set_nonincremental_init_from_string): New
4154 (pending_init_member): Rename to...
4155 (find_init_member): ...this function. Call set_nonincremental_init
4156 if necessary. Compare values of purpose index trees, not the trees
4157 themselves. Return the actual value, not just non-zero if something
4159 (output_init_element): Remove checks for duplicates.
4160 If field has zero size, only check the initializer for correctness.
4161 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4162 if constructor_incremental is zero. Change error about initializers
4163 not computable at load time into pedwarn.
4164 (output_pending_init_elements): Compare bit positions, not
4165 FIELD_DECLs to take into account zero-sized fields.
4166 (process_init_element): Use constructor_range_stack to fill all
4167 ranges in the designator lists from current level up.
4168 * extend.texi: Update documentation for labeled elements.
4170 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4172 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4173 to function usage for arguments passed by reference. Optimize
4174 callee-copied arguments.
4175 * regmove.c (replace_in_call_usage): New function.
4176 (fixup_match_1): Call it.
4177 * cse.c (cse_insn): Canonicalize registers in function usage.
4178 * reload1.c (replace_pseudos_in_call_usage): New function.
4181 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4184 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4186 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4189 2001-01-12 DJ Delorie <dj@redhat.com>
4191 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4192 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4195 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4197 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4198 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4199 -std options alongside references to -ansi. Update some
4200 documentation for C99.
4201 * cpp.1: Regenerate.
4203 2001-01-12 Andreas Jaeger <aj@suse.de>
4205 * haifa-sched.c (restore_line_notes): Remove argument block B
4207 * sched-ebb.c (schedule_ebb): Change caller.
4208 * sched-rgn.c (schedule_region): Likewise.
4209 * sched-int.h (restore_line_notes): Adjust prototype.
4211 * loop.h: Remove wrong declaration of doloop_condition_get.
4213 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4215 * extend.texi: Move C++-extension-related node from the C section
4216 into the C++ section.
4218 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4220 * extend.texi: Refer to an array of pointers to functions instead
4221 of one of functions.
4223 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4224 Jan Hubicka <jh@suse.cz>
4226 * combine.c (reversed_comparison): Fix typo in last patch.
4228 (combine_reversed_comparison_code): Make static to follow
4229 prototype declaration.
4231 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4233 * install.texi: Remove misplaced duplicate entry.
4235 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4237 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4239 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4241 * final.c: (leaf_function_p): Fix typo.
4243 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4245 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4246 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4248 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4249 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4250 mmap_anon, and valloc is available.
4251 * ggc-page.c: Restructure ifdef logic to match new autoconf
4252 spec. Don't throw away the test page in init_ggc.
4254 * configure, config.in: Regenerate.
4256 2001-01-12 Michael Hayes <mhayes@redhat.com>
4258 * loop.h (total_biv_increment): Constify iv_class pointer.
4259 (struct induction): Replace `mem_mode' with `mem' rtx.
4260 * unroll.c (total_biv_increment): Constify iv_class pointer.
4261 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4262 (find_mem_givs, combine_givs_p): Likewise.
4263 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4265 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4267 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4269 (__gthread_getspecific): Ditto.
4271 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4273 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4274 put_condition_code): Convert fp comparison codes to integer
4276 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4279 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4280 * i386-protos.h (no_comparison_operator): Kill.
4282 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4284 * combine.c (REVERSIBLE_CC_MODE): Remove.
4285 (reversible_comparison_p): Remove.
4286 (combine_reversed_comparison_code): New.
4287 (reversed_comparison): New.
4288 (combine_simplify_rtx): Use
4289 combine_reversed_comparison_code/reversed_comparison instead
4290 of reversible_comparison_p.
4291 (simplify_if_then_else): Likewise.
4292 (simplify_set): Likewise.
4293 (simplify_logical): Likewise.
4294 (if_then_else_cond): Likewise.
4295 (known_cond): Likewise.
4296 (simplify_comparison): Likewise.
4298 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4300 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4301 sizeof (int) is larger than sizeof(__word__).
4303 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4305 * cppinit.c (do_includes): Fix typo.
4307 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4309 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4310 in S_REGS does not occur because not all sources are possible
4311 when a S_REGS is a destination (sometimes needs a clobber).
4312 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4313 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4314 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4315 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4316 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4317 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4318 (lshrdi_const1, lshrsi3_const16): Likewise.
4319 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4320 (*movhi_68hc12, *movqi_68hc12): Likewise.
4321 (movstrictqi): Make sure reloading in D_REGS as a destination
4324 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4326 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4328 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4330 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4331 -D, -U and -A, and don't initialize the builtins.
4332 (do_includes): Error if -include or -imacros with -fpreprocessed.
4333 * cppmain.c (cb_define, cb_undef): Unconditionally process
4335 * tradcpp.c (main): Fix typo.
4337 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4339 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4340 (read_name_map): Use IS_ABSOLUTE_PATH.
4341 * tradcpp.c (get_filename): Likewise.
4343 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4345 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4346 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4347 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4348 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4349 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4350 (cmphi_z_used): Don't use '@' for the output.
4351 (tstqi_z_used): Likewise.
4352 (cmpqi_z_used): Likewise.
4353 (one_cmplsi2): Likewise.
4355 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4357 * config/sh/sh.c (barrier_align): Recognize branch around far
4358 branch and redundant insn.
4360 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4362 * invoke.texi: Restore documentation of the drivers' switches -MD
4365 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4367 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4369 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4370 check-objc//%): Support parallel testing of multilibs.
4371 (TESTSUITEDIR): Set to testsuite by default, but override for
4373 (check-gcc, check-g++, check-g77, check-objc): Enter
4376 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4378 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4379 * sched-deps.c (deps_may_trap_p): Likewise.
4380 * basic-block.h: Remove a comment.
4381 * flow.c (PROP_POSTRELOAD): Remove.
4382 (update_life_info): Don't add it to prop_flags.
4383 (mark_set_1): Lose the code that was enabled by it.
4385 2001-01-11 Michael Hayes <mhayes@redhat.com>
4387 * flow.c (flow_call_edges_add): New.
4388 * basic_block.h (flow_call_edges_add): New.
4390 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4392 * reload1.c (move2add_note_store): Update reg_set_luid even if
4393 base reg remains the same.
4395 2001-01-10 Nick Clifton <nickc@redhat.com>
4397 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4398 machine_function structure to zero.
4399 Add prototypes for machine_status functions.
4401 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4403 * c-common.h (CTI_VOID_LIST): Remove.
4404 (void_list_node): Likewise.
4405 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4406 (void_list_node): New macro.
4407 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4408 * config/i386/i386.c (ix86_init_builtins): Likewise.
4409 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4411 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4413 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4414 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4416 * tradcpp.c: Include mkdeps.h.
4417 (deps, print_deps_phony_targets, deps_append, output_deps,
4418 init_dependency_output, output_deps): New.
4419 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4420 deps_output): Delete.
4421 (print_deps_missing_files): Rename deps_missing_files.
4422 (inhibit_output): Make global.
4423 (main): Delete inhibit_output, deps_stream, deps_target.
4424 Use mkdeps functionality in the same way as cpplib. Remove
4425 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4426 -M and -MM. Remove old handling of deps via deps_out, and
4427 old reading of environment variables.
4428 (get_filename): Update to use deps_add_dep.
4430 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4432 * output.h (make_function_rtl): Remove prototype.
4433 (make_decl_rtl): Likewise.
4434 * varasm.c (make_function_rtl): Remove.
4435 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4436 than from a third parameter.
4437 * tree.h (make_decl_rtl): Remove last parameter.
4438 * c-decl.c (builtin_function): Remove last argument in call to
4439 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4440 (start_function): Likewise.
4441 * except.c (call_get_eh_context): Likewise.
4442 * expr.c (emit_block_move): Likewise.
4443 (clear_storage): Likewise.
4444 * profile.c (output_func_start_profiler): Likewise.
4445 * toplev.c (rest_of_decl_compilation): Likewise.
4446 * objc/objc-act.c (create_builtin_decl): Likewise.
4447 (synth_module_prologue): Likewise.
4448 (generate_static_reference): Likewise.
4449 (build_selector_reference_decl): Likewise.
4450 (build_class_reference_decl): Likewise.
4451 (build_objc_string_decl): Likewise.
4452 (build_protocol_reference): Likewise.
4454 2001-01-10 Richard Henderson <rth@redhat.com>
4456 * hwint.h: Revert yesterday's change.
4458 2001-01-10 Nick Clifton <nickc@redhat.com>
4460 * function.h (save_machine_status): Delete.
4461 (restore_machine_status): Delete.
4462 Amend comment describing {init|mark|free}_machine_status.
4464 * function.c (save_machine_status): Delete.
4465 (restore_machine_status): Delete.
4466 Amend comment describing {init|mark|free}_machine_status.
4467 (push_function_context_to): Remove invocation of
4468 save_machine_status.
4469 (pop_function_context_from): Remove invocation of
4470 restore_machine_status.
4472 * emit-rtl.c (init_emit_once): Amend comment describing
4473 {init|mark|free}_machine_status.
4475 * tm.texi (Per-Function Data): New node. Describe the
4476 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4479 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4481 * cppinit.c (OPT_g): Remove.
4482 (cpp_handle_option): Update for removed -g3.
4483 (print_help): Update.
4484 * cpplib.h (struct cpp_options): Remove debug_output.
4485 * cppmain.c (setup_callbacks, cb_define): Update.
4486 * gcc.c (cpp_options): Translate -g3 to -dD.
4488 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4490 * config/i960/i960.md: Change modifier to + on the zero_extract
4491 pattern after the (rotate -2 reg) canonicalization pattern.
4493 2001-01-10 Richard Henderson <rth@redhat.com>
4495 * config/alpha/alpha.c (alpha_free_machine_status): New.
4496 (override_options): Install it.
4497 (alpha_mark_machine_status): Verify machine non-null.
4498 * config/i386/i386.c (ix86_free_machine_status): New.
4499 (override_options): Install it.
4500 (ix86_init_machine_status): Use xcalloc.
4501 (ix86_mark_machine_status): Verify machine non-null.
4502 * config/ia64/ia64.c (ia64_free_machine_status): New.
4503 (ia64_override_options): Install it.
4504 (ia64_mark_machine_status): Verify machine non-null.
4506 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4508 * function.c (instantiate_virtual_regs): Instantiate virtual
4509 registers found in CALL_INSN_FUNCTION_USAGE.
4511 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4513 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4514 equivalent to -ansi in disabling -Di386.
4516 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4518 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4520 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4522 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4524 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4526 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4528 * invoke.texi: Document that -fcond-mismatch isn't supported for
4531 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4533 * gcc.texi: Define macro gcctabopt.
4534 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4535 @command, @env and @option in some places where appropriate. Use
4536 @gcctabopt where appropriate. Put URLs and email addresses inside
4539 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4541 * gcc.c (cpp_options): Set MD file name from output
4542 filename, if specified.
4543 (suffix_subst): New static variable.
4544 (do_spec): Clear it.
4545 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4547 (give_switch): Handle suffix_subst.
4549 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4551 * invoke.texi: Fix another typo.
4553 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4555 * invoke.texi: Fix typo.
4557 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4559 * c-lang.c (lang_hooks): Update.
4560 (lang_decode_option): Remove.
4561 (lang_init_options): Rename c_init_options.
4562 * toplev.c (main): Use lang_hooks for lang_init_options
4563 and lang_decode_option.
4564 * toplev.h (lang_hooks): Add 2 new hooks.
4565 * tree.h: Remove lang_init_options and lang_decode_option.
4566 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4567 * cp/decl2.c: Similarly.
4568 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4569 (lang_hooks): Update.
4570 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4572 (lang_init_options): Rename ffe_init_options.
4573 (lang_hooks): Update.
4574 (lang_decode_option): Remove.
4575 * java/lang.c (lang_init_options): Rename java_init_options.
4576 (lang_decode_option): Rename java_decode_option.
4577 (lang_hooks): Update.
4578 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4579 (lang_decode_option): Rename objc_decode_option.
4580 (lang_hooks): Update.
4582 2001-01-09 Nick Clifton <nickc@redhat.com>
4584 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4585 (d30v_return_addr_rtx): Delete.
4586 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4587 cfun->machine structure.
4588 (struct machine_function): Move to d30v.h
4589 (d30v_save_machine_status): Delete.
4590 (d30v_restore_machine_status): Delete.
4591 (d30v_init_machine_status): New Function.
4592 (d30v_mark_machine_status): New Function.
4593 (d30v_free_machine_status): New Function.
4594 (d30v_init_expanders): Use new functions.
4595 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4596 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4597 d30v_return_addr_rtx.
4599 * config/d30v/d30v.h (struct_machine): Move here.
4600 Add eh_epilogue_sp_ofs field.
4602 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4603 field in cfun->machine structure.
4605 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4607 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4608 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4609 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4611 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4613 * objc/lang-options.h: Remove bogus reference to
4616 2001-01-09 Kazu Hirata <kazu@hxi.com>
4618 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4621 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4623 * reload.c (find_reloads_address): Check for eliminable registers
4624 when substituting a constant expression for a pseudo.
4626 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4628 * c-common.c (enum format_type): Add format_type_error.
4629 (decode_format_type): New function.
4630 (decl_attributes): Use it.
4631 (format_kind_info): Adjust comment.
4633 2001-01-09 David O'Brien <obrien@BSDi.com>
4635 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4636 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4638 * config/i386/gnu.h: Don't include required platform specific .h files,
4639 tm.h will do it instead.
4640 * config/i386/i386elf.h: Likewise.
4641 * config/i386/linux.h: Likewise.
4642 * config/i386/moss.h: Likewise.
4643 * config/mips/gnu.h: Likewise.
4645 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4647 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4648 (rs6000-ibm-aix3.[01]*): Likewise.
4649 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4650 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4651 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4652 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4653 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4654 (powerpc-*-eabiaix*): Likewise.
4655 (powerpc-*-eabisim*): Likewise.
4656 (powerpc-*-elf*): Likewise.
4657 (powerpc-*-eabi*): Likewise.
4658 (powerpc-*-rtems*): Likewise.
4659 (powerpc-*-linux*libc1): Likewise.
4660 (powerpc-*-linux*): Likewise.
4661 (powerpc-wrs-vxworks*): Likewise.
4662 (powerpcle-wrs-vxworks*): Likewise.
4663 (powerpcle-*-sysv*): Likewise.
4664 (powerpcle-*-elf*): Likewise.
4665 (powerpcle-*-eabisim*): Likewise.
4666 (powerpcle-*-eabi*): Likewise.
4667 (powerpcle-*-solaris2*): Likewise.
4668 * config/rs6000/aix31.h: Delete includes.
4669 * config/rs6000/aix3newas.h: Likewise.
4670 * config/rs6000/aix41.h: Likewise.
4671 * config/rs6000/aix43.h: Likewise.
4672 * config/rs6000/beos.h: Likewise.
4673 * config/rs6000/rtems.h: Likewise.
4674 * config/rs6000/sysv4.h: Likewise.
4676 2001-01-09 Kazu Hirata <kazu@hxi.com>
4678 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4679 Change an argument mode of machine_mode to shift_mode of
4680 shift_mode. Remove an extra error check.
4681 (emit_a_shift): Adopt to the new calling prototype of
4683 (function_prologue): Fix code for a monitor
4684 function. Support H8/S.
4685 (function_epilogue): Do not output pop for a monitor function.
4687 2001-01-09 Nick Clifton <nickc@redhat.com>
4689 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4690 (setup_incoming_varargs): Use sysv_varargs_p field of the
4691 cfun->machine structure.
4692 (struct machine_function): Move to rs6000.h
4693 (rs6000_save_machine_status): Delete.
4694 (rs6000_restore_machine_status): Delete.
4695 (rs6000_init_machine_status): New Function.
4696 (rs6000_free_machine_status): New Function.
4697 (rs6000_init_expanders): Use new functions.
4699 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4701 (struct machine_function): Move here.
4703 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4704 sysv_varargs_p field of the cfun->machine structure.
4706 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4708 (rs6000_restore_machine_status): Remove prototype.
4710 2001-01-09 Richard Henderson <rth@redhat.com>
4712 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4713 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4714 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4715 (sched_analyze_2, sched_analyze_insn): Likewise.
4716 (sched_analyze, init_deps): Likewise.
4717 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4718 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4719 (compute_block_backward_dependences): Update propagate_deps call.
4721 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4723 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4725 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4727 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4728 (cpp_handle_option): Handle them.
4729 (cpp_post_options): Ensure one of -M or -MM is specified with
4730 any other -M? option.
4731 (init_dependency_output): Suppress output with -MG.
4733 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4736 * invoke.texi: Update.
4738 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4740 * sh.md (reload_outsf): Generate recognizable patterns for
4743 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4745 * c-lang.c (lang_hooks): Update.
4746 (lang_init): Rename c_init.
4747 (lang_finish): Remove.
4748 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4750 * toplev.h (lang_hooks): Add init () and finish ().
4751 * tree.h (lang_init, lang_finish): Remove.
4752 * cp/tree.h (lang_init, lang_finish): Remove.
4753 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4754 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4756 (lang_init, lang_finish): Remove.
4757 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4758 (lang_hooks): Update.
4759 * java/lang.c (lang_init): Rename java_init.
4760 (lang_finish): Remove.
4761 (lang_hooks): Update.
4762 * objc/objc-act.c (lang_init): Rename objc_init.
4763 (lang_finish): Remove.
4764 (lang_hoooks): Update.
4766 20001-01-09 Graham Stott <grahams@redhat.com>
4768 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4769 after `ptr` is initialised.
4771 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4773 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4774 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4775 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4776 stack adjusts, instead of r3.
4778 2001-01-09 Michael Hayes <mhayes@redhat.com>
4780 * flow.c (flow_loop_scan): Break out of ...
4781 (flow_loops_find) ... here.
4782 * basic-block.h (flow_loop_scan): New.
4783 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4784 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4786 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4788 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4790 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4791 realloc()ing macro_buffer.
4793 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4794 if it's wider than long and the target's long is wider than the
4797 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4799 Remove support for using UWIN as a host machine.
4800 * configure.in: Issue an error message.
4801 * configure: Regenerated.
4802 * config.gcc: Remove xm_* UWIN configury.
4803 * config/i386/xm-uwin.h: Remove.
4805 2001-01-08 Nick Clifton <nickc@redhat.com>
4807 * config/v850/v850.c (ra_rtx): Delete.
4808 (v850_save_machine_status): Delete.
4809 (v850_restore_machine_status): Delete.
4810 (v850_init_machine_status): New function.
4811 (v850_mark_machine_status): New function.
4812 (v850_free_machine_status): New function.
4813 (v850_return_addr): Use ra_rtx field in machine structure.
4814 (v850_init_expanders): Use new functions.
4816 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4817 * config/v850/v850.c: Change arguments to v850_output+* functions
4818 to take a const char *, to avoid compile time warning.
4819 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4820 (USER_LABEL_PREFIX): Redefine.
4822 2000-01-08 Jim Wilson <wilson@redhat.com>
4824 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4825 1 to unsigned HOST_WIDE_INT before left shift.
4827 2001-01-08 Nick Clifton <nickc@redhat.com>
4829 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4830 the machine structure has been allocated.
4831 (arm_free_machine_status): New function: Free the machine
4832 specific function structure.
4834 2001-01-08 Richard Henderson <rth@redhat.com>
4836 * jump.c (simplejump_p): Revert last change.
4838 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4840 * cppinit.c (init): Rename init_library.
4841 (cpp_create_reader): Update.
4842 * gcc.c (cpp_options): If -o given, use it as the target of
4845 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4847 * arm.c (arm_arch5e): New variable.
4848 (all_cores): XScale is a 5TE device.
4849 (arm_override_options): Set arm_arch5e.
4850 (arm_init_builtins): __builtin_prefetch is in arch5e.
4851 * arm.h (arm_arch5e): Declare it.
4853 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4855 * arm.md (define_constants): Add defines for UNSPEC and
4856 UNSPEC_VOLATILE insns. Update all users.
4857 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4858 * arm.c (multi_register_push, note_invalid_constants)
4859 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4860 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4861 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4863 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4865 * jump.c (jump_optimize_1): Use reversed_comparison_code
4866 instead of can_reverse_comparison_p.
4867 (jump_back_p): Likewise.
4868 (invert_exp_1): Likewise.
4869 (thread_jumps): Likewise.
4870 * simplify-rtx.c (simplify_unary_operation): Likewise.
4871 (simplify_ternary_operation): Likewise.
4872 * cse.c (find_comparison_args): Convert to use
4873 can_reverse_comparison_p.
4874 (record_jump_equiv): Likewise.
4876 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4878 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4879 (EPILOGUE_USES): Define.
4880 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4881 automatically stack the LR if it isn't live.
4883 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4885 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4888 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4890 * ggc-page.c (max_alignment): New structure.
4891 (MAX_ALIGNMENT): New macro.
4892 (init_ggc): Use it to round up the sizes in the
4893 extra_order_size_table.
4895 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4897 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4900 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4902 * builtins.def (BUILT_IN_FPRINTF): New entry.
4904 * c-common.c (c_expand_builtin_fprintf): New function.
4905 (init_function_format_info): Handle __builtin_fprintf.
4906 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4907 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4909 * c-decl.c (duplicate_decls): Adjust comment.
4911 * extend.texi (fprintf): Document new builtin.
4913 2001-01-07 Richard Henderson <rth@redhat.com>
4915 * jump.c (simplejump_p): Recognize any single_set jump
4918 2001-01-07 Richard Henderson <rth@redhat.com>
4920 * configure.in (slibdir): Accept an --with-slibdir option.
4921 Use "test" not "[" in configure. Default to $(libdir).
4923 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4925 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4926 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4927 (SHLIB_LINK): Create links for the soname.
4928 * config/mips/t-iris6: Likewise.
4929 * config/sparc/t-slibgcc: Likewise.
4930 * config/sparc/t-slibgcc-sld: Likewise.
4932 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4934 * config/i386/i386.c (constant_call_address_operand): Accept
4935 (const (plus (symbol_ref) (const_int))).
4936 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4937 constant_call_address_operand.
4939 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4941 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4942 and LONG_LONG_TYPE_SIZE > 32.
4944 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4946 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4947 the previous change.
4949 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4951 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4953 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4954 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4955 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4958 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4960 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4962 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4964 * c-lang.c (c_post_options): Call cpp_post_options.
4965 * objc/objc-act.c (objc_post_options): Similarly.
4966 * cppmain.c (main): Similarly.
4967 * fix-header.c (read_scan_file): Similarly.
4968 * cppinit.c (cpp_start_read): Move option consistency checks
4969 to cpp_post_options. Don't call init_dependency_output.
4970 If needed, add default target and main file dependency.
4971 (OPT_MD, OPT_MMD): Remove.
4973 (cpp_handle_option): Update for OPT_* changes.
4974 (cpp_post_options): New.
4975 (init_dependency_output): Command line -MF overrides environment
4976 variables. Don't set default target etc. Suppress output
4977 if dependencies are going to stdout.
4978 (print_help): Update.
4979 * cpplib.h (cpp_post_options): New.
4980 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4982 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4984 * jump.c (comparison_dominates_p): Support unordered compares.
4986 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4988 * simplify-rtx.c (simplify_relational_operation): Always simplify
4989 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4992 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4994 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4995 (nonzero_bits): Likewise.
4996 (simplify_comparison): Likewise.
4997 (num_sign_bit_copies): Likewise; return more sane value depending
4998 on STORE_FLAG_VALUE.
4999 (known_cond): Do not assume EQ to be always true for equivalent
5002 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5004 * cse.c (fold_rtx): Handle unordered comparisons.
5006 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5008 * rtlanal.c (set_of_1): New static function.
5009 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5010 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5011 reg_set_last_last_regno): Remove.
5012 (set_of): New global function.
5013 (set_of_data): New structure.
5014 (reg_set_p, reg_set_last): Revamp for set_of.
5015 * rtl.h (set_of): New.
5017 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5019 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5020 * extend.texi: Document _Exit builtin.
5022 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5024 * (initialize, initialize_builtins,
5025 initialize_dependency_output, initialize_standard_includes):
5026 Rename s/initialize/init. Update.
5027 (init_dependency_output): Move to after
5028 cpp_handle_options, the correct location temporally at least.
5029 (opt_comp): Move next to init (), its caller. Fix prototype.
5030 (init): Make "initialized" local scope.
5031 (cpp_create_reader): Always call init ().
5032 (cpp_start_read): Update.
5033 (output_deps): New function, broken out of cpp_finish.
5034 (cpp_finish): Break out output_deps.
5036 2001-01-07 Richard Henderson <rth@redhat.com>
5038 * collect2.c (COFF specific stuff): Revert 12-06 patch
5039 to prototype system functions.
5041 2001-01-07 Michael Hayes <mhayes@redhat.com>
5043 * hard-reg-set.h: Add multiple include guard.
5044 * basic-block.h (struct loop): Add `sink' field.
5045 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5046 (emit_iv_add_mult): Delete.
5047 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5048 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5049 (unroll_loop): Remove end_insert_before argument.
5050 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5051 (maybe_eliminate_biv_1): Likewise.
5052 (emit_iv_add_mult): Delete.
5053 (gen_add_mult, loop_regs_update): New.
5054 (loop_insn_emit_after, loop_insn_emit_before): New.
5055 (loop_insn_sink, loop_insn_sink_or_swim): New.
5056 (emit_iv_add_mult): Delete.
5057 (scan_loop): Set loop->sink.
5058 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5059 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5060 (maybe_eliminate_biv_1): Likewise.
5061 (maybe_eliminate_biv_1): Add basic block argument.
5062 * unroll.c (unroll_loop): Remove end_insert_before argument.
5063 (find_splittable_regs): Likewise.
5064 (find_splittable_regs): Use loop_insn_sink and its ilk.
5065 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5067 2001-01-07 Michael Hayes <mhayes@redhat.com>
5069 * loop.h (loop_insn_hoist): New prototype.
5070 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5071 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5072 (check_dbra_loop, load_mems): Likewise.
5073 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5074 (find_splittable_givs): Likewise.
5076 2001-01-07 Michael Hayes <mhayes@redhat.com>
5078 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5080 2001-01-07 Richard Henderson <rth@redhat.com>
5082 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5084 2001-01-07 Richard Henderson <rth@redhat.com>
5086 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5087 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5088 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5089 variant that handles a shared libgcc.
5090 (process_command): Always validate -{static,shared}-libgcc.
5091 (do_spec_1): New 'M' case.
5092 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5094 2001-01-07 Richard Henderson <rth@redhat.com>
5096 * Makefile.in (slibdir): New variable.
5097 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5098 (installdirs): Create slibdir.
5099 (install-libgcc, install-multilib): Defer to libgcc.mk.
5100 * configure.in (slibdir): Substitute.
5101 * mklibgcc.in (install): New target.
5103 * config/t-linux (SHLIB_LINK): Create links for the soname.
5104 (SHLIB_INSTALL): New.
5105 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5106 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5107 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5108 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5109 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5111 2001-01-07 Richard Henderson <rth@redhat.com>
5113 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5114 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5115 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5117 2001-01-07 Michael Hayes <mhayes@redhat.com>
5119 * loop.c (count_loop_regs_set): Delete.
5120 (load_mems_and_recount_loop_regs_set): Delete.
5121 (loop_regs_scan): Merge common code from count_loop_regs_set,
5122 scan_loop, and load_mems_and_recount_loop_regs_set.
5123 (scan_loop): Call load_mems directly and loop_regs_scan
5124 again if new registers created.
5126 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5128 * toplev.c (main): Call the front-end specific post_options
5129 hook if one is given.
5130 * toplev.h (struct_lang_hooks, lang_hooks): New.
5131 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5132 for the C front end.
5133 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5134 lang_hooks for the C++ front end.
5135 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5136 lang_hooks for the ObjC front end.
5137 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5138 * java/lang.c (lang_hooks): Hooks for the Java front end.
5140 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5142 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5143 for verbose DWARF[2] debugging.
5144 (cb_define, cb_undef): The new callbacks.
5145 * toplev.h (debug_define, debug_undef): Make const correct.
5146 * toplev.c (debug_define, debug_undef): Similarly. Do not
5147 perform the verbosity tests here anymore.
5149 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5151 * reload.c (subst_reloads): Take INSN argument. When
5152 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5153 * reload.h (subst_reloads): Adjust prototype.
5154 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5155 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5156 present in JUMP_INSNs and copy them to JUMP_LABEL.
5157 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5158 JUMP_INSNs and insns with REG_LABELs that are followed by
5159 JUMP_INSNs with the same REG_LABEL.
5160 * sched-rgn.c (is_cfg_nonregular): Likewise.
5161 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5163 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5165 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5167 2001-01-06 Richard Henderson <rth@redhat.com>
5169 * loop.c (scan_loop): Use xcalloc for the regs array.
5170 (load_mems_and_recount_loop_regs_set): Zero the new memory
5171 received from xrealloc.
5173 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5175 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5177 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5179 * integrate.c (copy_rtx_and_substitute): When copying
5180 an ignored return value, strip REG_FUNCTION_VALUE_P.
5182 2001-01-06 Michael Hayes <mhayes@redhat.com>
5184 * loop.c (debug_biv, debug_giv): New.
5185 (loop_biv_dump): Break out from ...
5186 (record_biv): ... here.
5187 (loop_giv_dump): Break out from ...
5188 (record_giv): ... here.
5189 (loop_bivs_check): Use print_simple_rtl.
5190 * unroll.c (loop_iterations): Use print_simple_rtl.
5192 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5194 * pa.md (return, return_internal): Modify patterns to prevent regrename
5195 mucking with the return pointer.
5197 2001-01-05 Richard Henderson <rth@redhat.com>
5199 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5201 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5203 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5204 version supplied by Matteo Frigo.
5206 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5208 * cpp.texi: Update for -MQ.
5209 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5210 (cpp_cleanup): Always free pfile->deps.
5211 (initialize_dependency_output): Don't create pfile->deps.
5212 (cpp_handle_option): Similarly.
5214 * gcc.c (cpp_options): Handle -MQ.
5215 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5216 * mkdeps.c (base_name): Remove.
5217 (deps_init): Don't allocate vector space until it's needed.
5218 (deps_free): Only free vectors if allocated.
5219 (deps_add_target, deps_add_dep): Update for initial allocation.
5220 (deps_add_default_target): Don't strip to the base_name.
5222 2001-01-05 DJ Delorie <dj@redhat.com>
5224 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5225 (INIT_EXPANDERS): Define.
5227 * config/v850/v850.c (struct machine_function): Define.
5228 (v850_save_machine_status): New function.
5229 (v850_restore_machine_status): New function.
5230 (v850_return_addr): New function.
5231 (v850_init_expanders): New function.
5233 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5234 and v850_init_expanders.
5236 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5238 * cpplib.h (struct cpp_reader): Add help_only field.
5239 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5240 (cpp_handle_option): Set pfile->help_only if we see -h,
5241 --help, -target-help, or --version. Print version string but
5242 do not set help_only if we see -v or -version. Make text
5243 printed by -v match that printed by (-)-version.
5245 * cppmain.c (main): Exit after option parsing if
5246 pfile->help_only is true.
5248 * toplev.c (independent_decode_option): Call print_version,
5249 then exit, if we see --version (but not -version).
5250 (print_version): Split lengthy message into two lines.
5252 2001-01-05 Nick Clifton <nickc@redhat.com>
5254 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5255 temporary string for initialisation before calling ggc_alloc_string.
5257 2001-01-06 Michael Hayes <mhayes@redhat.com>
5259 * rtl.h (print_simple_rtl): New.
5260 * print-rtl.c (print_simple_rtl): New.
5262 (print_rtx): Disable printing of flags and modes, etc.,
5263 if `flag_simple` nonzero.
5265 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5267 * function.c (fixup_var_refs): Use push_to_full_sequence where
5270 2001-01-05 Michael Meissner <meissner@redhat.com>
5272 * flags.h (flag_reorder_blocks): Add declaration.
5273 (flag_rename_block): Ditto.
5275 2001-01-05 DJ Delorie <dj@redhat.com>
5277 * function.c (reorder_blocks): Make sure the flags are all reset
5278 before using them to mark blocks, else a second invocation will
5279 corrupt the block chain.
5280 (reorder_blocks_0): New, resets the flags.
5282 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5284 * cse.c (find_comparison_args): Stop if the argument is known to
5287 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5289 * config/sh/sh.md (movdf): When splitting load into pair of
5290 registers, don't clobber the register used in the address too
5293 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5295 * varasm.c (mark_constant_pool): Improve initial comments.
5296 (mark_constants): Move marking of constants to mark_constant.
5297 (mark_constant): New function to recursively mark all constants
5298 referred to by a constant.
5300 2001-01-05 Catherine Moore <clm@redhat.com>
5302 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5304 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5306 * cp/lang-options.h: Bring comment in line with reality.
5307 * f/lang-options.h: Likewise.
5308 * java/lang-options.h: Likewise.
5309 * objc/lang-options.h: Likewise.
5310 * ch/lang-options.h: Likewise.
5311 * f/g77.texi: And update the manual.
5313 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5314 Denis Chertykov <denisc@overta.ru>
5316 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5317 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5318 * config/avr/avr.md (all peepholes that request a scratch register):
5319 Call it, FAIL the peephole if not safe (in interrupt functions).
5321 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5323 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5325 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5327 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5329 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5330 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5331 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5332 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5333 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5335 * extend.texi: Document these builtins.
5337 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5339 * c-common.c (lang_get_alias_set): Say we know nothing of
5340 VECTOR_TYPE aliasing.
5342 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5344 2001-01-05 Bruce Korb <bkorb@gnu.org>
5346 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5347 their x* equivalent versions for atexit-less systems
5348 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5349 systems (or any other system any more).
5351 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5353 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5354 output operands. Use arm_hard_register_operand for operand 4.
5355 (stmsi_postinc): Similarly.
5356 (ldmsi): Use arm_hard_register_operand for opernand 2.
5358 * arm.c (arm_hard_register_operand): New function.
5359 * arm-protos.h (arm_hard_register_operand): Prototype it.
5361 * arm.h (HARD_REGNO_RENAME_OK): Define.
5363 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5365 * simplify-rtx.c (cfc_args): add "unordered" field.
5366 (check_fold_consts): Set unordered field.
5367 (simplify_relational_operation): Simplify the unordered
5370 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5373 * emit-rtl.c (try_split): Fix code to mark labels.
5374 * jump.c (mark_jump_label): Make global.
5375 * rtl.h (mark_jump_label): Declare.
5377 * predict.c (estimate_probability): Handle unordred comparisons.
5379 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5381 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5382 * cppinit.c (initialize_dependency_output): Update.
5383 (cpp_finish): Output dummy targets for -MP.
5385 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5386 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5387 * gcc.c (cpp_options): Update to handle -MP.
5388 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5389 to quote only the default target.
5390 (deps_phony_targets): Insert a preceding newline. Rename from
5391 deps_dummy_targets for consistency.
5394 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5396 * calls.c (emit_library_call_value_1): Support
5397 INIT_CUMULATIVE_LIBCALL_ARGS.
5398 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5400 2001-01-04 Richard Henderson <rth@redhat.com>
5402 * c-decl.c (finish_struct): Detect flexible array members
5403 used in an inappropriate context.
5404 * c-typeck.c (really_start_incremental_init): Special case
5405 constructor_max_index for zero length arrays.
5406 (pop_init_level): Allow initialization of flexible array
5407 members. Deprecate initialization of zero length arrays.
5408 Don't issue missing initializer warning for flexible array
5409 members or zero length arrays.
5410 (process_init_element): Don't dereference null DECL_SIZE.
5411 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5412 Don't abort for empty constructors. Use size_binop
5413 (output_constructor): Add commentary regarding zero length
5414 array futures. Abort if we try to initialize an array of
5415 unspecified length with a non-empty constructor in the middle
5418 * extend.texi (Zero Length): Update and clarify documentation
5419 on static initialization.
5421 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5423 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5424 with more than 32767 words of local storage.
5426 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5428 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5429 for 'abs', 'labs', and 'fabs'.
5430 (c4x_expand_builtin): Likewise.
5431 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5433 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5435 * config/sh/sh.md (prget, prset): New insn types.
5436 (return delay slot): Dont' allow prset.
5437 (call, sfunc delay slot): Don't allow prget.
5438 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5439 for prset and prget.
5441 2001-01-05 Michael Hayes <mhayes@redhat.com>
5443 * loop.h (struct loop_reg): New.
5444 (struct loop_regs): Change to use array of `struct loop_reg'.
5445 * loop.c: Replace assortment of varrays with single regs array.
5446 (count_one_set): Delete may_not_move array argument
5447 and use regs array instead. All caller's changed.
5448 (count_loop_regs_set): Delete may_not_move and single_usage
5449 arguments and use regs array instead. All caller's changed.
5450 (find_single_use_in_loop): Replace usage array argument with pointer
5451 to regs structure. All caller's changed.
5452 (loop_optimize): Delete `moved_once' array.
5454 2001-01-05 Michael Hayes <mhayes@redhat.com>
5456 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5457 Use it instead of loop_info->has_call for scanning loop mems.
5458 (check_dbra_loop): Replace loop_info->has_call test with
5459 loop_info->has_nonconst_call.
5461 2000-01-04 Matthew Hiller <hiller@redhat.com>
5463 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5466 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5468 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5469 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5471 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5473 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5474 (flag_short_double, flag_short_wchar): Define.
5475 (c_common_nodes_and_builtins): Create many tree nodes shared
5476 between C and C++ here instead of in cp/decl.c and ...
5477 * c-decl.c (init_decl_processing): ... here.
5478 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5479 (flag_short_double, flag_short_wchar): Don't define.
5480 (record_builtin_type): New function.
5481 (build_void_list_node): New function.
5482 * c-common.h (flag_short_double, flag_short_wchar,
5483 record_builtin_type, build_void_list_node): Declare.
5485 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5487 * integrate.c (expand_inline_function): Don't put a virtual
5488 register into the reg map.
5490 * function.c (fixup_var_refs_1): If force_operand didn't put
5491 the address into the target, move it there.
5493 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5495 Special-case tree_decl/tree_list allocations.
5496 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5497 (OBJECT_SIZE): New macro.
5498 (NUM_EXTRA_ORDER): Likewise.
5499 (extra_order_size_table): New variable.
5500 (NUM_ORDERS): New macro.
5501 (objects_per_page_table): New variable.
5502 (object_size_table): New variable.
5503 (G.pages): Use NUM_ORDERS to bound the array.
5504 (G.page_tails): Likewise.
5505 (DIV_ROUND_UP): Remove.
5506 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5507 (alloc_page): Use OBJECT_SIZE.
5508 (size_lookup): Don't make it const.
5509 (ggc_alloc): Use OBJECT_SIZE.
5510 (ggc_set_mark): Likewise.
5511 (ggc_get_size): Likewise.
5512 (init_ggc): Set up the object_size_table, objects_per_page_table,
5513 and adjust size_lookup.
5514 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5515 (ggc_pop_context): Use NUM_ORDERS.
5516 (clear_marks): Likewise.
5517 (sweep_pages): Likewise.
5518 (poison_pages): Likewise.
5519 (ggc_print_statistics): Use OBJECT_SIZE.
5521 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5523 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5524 Only call array_size_for_constructor if last field and array type
5525 with no upper bound.
5527 2001-01-04 Philip Blundell <philb@gnu.org>
5529 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5530 from bit 31 downwards, if this requires no more insns.
5531 (count_insns_for_constant): New helper function for above.
5533 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5535 * gencodes.c (output_predicate_decls): Remove empty initializer.
5537 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5539 * tree.c (copy_node): Remove documentation about obstacks.
5540 (buidl1): Check that nobody tries to build 2-argument nodes this
5543 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5545 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5548 * gencodes.c (output_predicate_decls): Fill empty initializer
5551 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5553 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5554 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5556 (do_include): Handle missing headers like cpp0.
5557 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5558 paths with first include pathname. Don't strcat to uninitialized
5561 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5563 * regrename.c (regrename_optimize): Don't rename from frame pointer
5564 if frame_pointer_needed.
5565 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5566 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5567 (ia64_reorg): Use it instead of scheduling if ! optimize.
5568 (errata_emit_nops): Properly call asm_noperands.
5569 (ia64_sched_reorder): Finish cycle if we see an asm.
5570 (ia64_variable_issue): Clear scheduling state after asms.
5572 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5574 * cpp.texi: Update for -MT.
5575 * cppinit.c (initialize_dependency_output): Add a default
5576 target if none has been given already.
5577 (no_tgt, OPT_MT): New.
5578 (cpp_handle_option): Handle -MT. Update -M etc.
5579 * cpplib.h (struct cpp_options): Remove deps_target.
5580 * gcc.c (cpp_options): Handle -MT.
5581 * mkdeps.c (struct deps): Move from mkdeps.h.
5582 (deps_calc_target): Rename deps_add_default_target. Add a
5583 default target if none has been specified already.
5584 * mkdeps.h (struct deps): Move to mkdeps.c.
5585 (deps_calc_target): Rename deps_add_default_target.
5587 2000-01-03 Richard Henderson <rth@redhat.com>
5589 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5591 * c-typeck.c (push_init_level): Move checks for flexible array
5592 members and zero length arrays ...
5593 (pop_init_level): ... here. Silently discard empty initializations.
5595 * varasm.c (output_constructor): Update for sizeof change to
5598 * extend.texi (Zero Length): Clarify semantics.
5600 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5602 * configure.in (tm.h): Include isns-codes.h last.
5603 * configure: Rebuilt.
5605 2001-01-03 Richard Henderson <rth@redhat.com>
5607 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5608 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5610 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5612 * tradcpp.c (main): Make sure finclude() is called with a valid
5613 indepth value while handling -include.
5615 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5617 * gencodes.c (output_predicate_decls): New function.
5619 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5620 even if it is not the first time machmode.h is #included.
5621 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5622 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5623 * gcc.texi (Copyright): Added 2001.
5625 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5627 * c-common.c (c_common_lang_init): New function. Warn if format
5628 warning options which only have effects when used with -Wformat
5629 are used without -Wformat.
5630 * c-common.h (c_common_lang_init): Declare.
5631 * c-lang.c (lang_init): Call c_common_lang_init.
5632 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5634 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5636 * configure.in: Check for the mktemp command.
5637 * configure: Regenerate.
5638 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5639 $TEMP. Create temporary files with mktemp, if available at
5640 configure time; otherwise use set -C. Remove temporary files
5643 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5645 * configure.in: Require at least texinfo 4.0. Check for whether
5646 Pod::Man is sufficiently recent to regenerate GCC manpages.
5647 * configure: Regenerate.
5648 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5650 (GENERATED_MANPAGES): Define.
5651 (generated-manpages): New target. Depend on cpp.1 as well as
5653 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5654 configure to generated-manpages or empty) rather than on the
5655 manpages directly. Remove execute permission from installed
5656 gcov.1 as well as cpp.1.
5657 * cpp.1, gcov.1: Regenerate.
5659 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5661 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5662 tree_low_cst. Allow using cmpstrsi in more cases.
5664 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5666 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5669 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5671 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5672 * Makefile.in (HOST_CFLAGS): Mention build-make.
5674 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5676 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5679 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5681 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5684 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5687 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5688 reg_base_value and reg_known_value arrays.
5689 (init_alias_analysis): Add more cases to detect known values.
5690 * sched-deps.c (deps_may_trap_p): New function.
5691 (sched_analyze_2): Use it.
5693 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5695 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5696 don't discard an ASHIFTRT if we're shifting in a wider mode.
5698 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5700 * toplev.c (rest_of_compilation): Don't print basic block information
5701 when CFG isn't up to date.
5703 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5705 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5706 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5707 (UNALIGNED_SHORT_ASM_OP): Define.
5708 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5710 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5712 * fold-const.c (fold_convert): Fix typo.
5714 2001-01-02 Richard Henderson <rth@redhat.com>
5716 * c-common.h (ASM_INPUT_P): New.
5717 * c-parse.in (asm): Set it when needed.
5718 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5719 existance of an operand.
5721 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5723 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5724 (dwarf2out_frame_debug_expr): Likewise.
5725 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5727 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5729 * i386.c (ix86_split_to_parts): Return number of part required;
5731 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5733 (ix86_split_long_move): Use number of part returned
5734 by ix86_split_to_parts
5735 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5737 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5738 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5739 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5740 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5741 (ALIGN_MODE_128): Add TFmode.
5742 (IS_STACK_MODE): Likewise.
5743 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5744 (HARD_REGNO_OK): Support TFmodes.
5745 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5746 * i386.md (scheduler definitions): Use memory operand to determine
5747 fst/fld instructions; use mode attribute to determine real mode of
5749 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5750 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5752 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5754 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5756 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5758 * expr.c (store_constructor_field): Update ALIGN before calling
5761 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5763 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5766 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5768 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5771 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5773 * c-decl.c (start_function): Don't warn on third parameter to main.
5775 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5777 * tsystem.h: Define HAVE_DECL_GETOPT.
5779 2001-01-02 Philip Blundell <pb@futuretv.com>
5781 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5784 2001-01-02 Richard Henderson <rth@redhat.com>
5786 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5788 2001-01-02 Andreas Jaeger <aj@suse.de>
5790 * c-decl.c (c_decode_option): Remove support of
5793 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5794 (W_options): Add -Wmissing-noreturn here.
5796 * flow.c: Define lang_missing_noreturn_ok_p.
5797 (check_function_return_warnings): Use it.
5799 * c-common.h: Declare lang_missing_noreturn_ok_p.
5801 * c-lang.c (c_missing_noreturn_ok_p): New function.
5802 (lang_init): Set lang_missing_noreturn_ok_p.
5804 * invoke.texi (Warning Options): Document this.
5806 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5808 * extend.texi (C++ Extensions): New node for C++ attributes;
5809 describe init_priority and com_interface.
5810 * invoke.texi: Remove -finit-priority as it now has zero effect.
5811 * install.texi: Fix xref syntax.
5812 * md.texi: Likewise.
5814 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5816 * config.gcc (sparc64-wrs-vxworks*): New case.
5817 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5819 * config/sparc/sparc.c (sparc_override_options): Do support different
5820 pointer and architecture size.
5821 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5822 (POINTERS_EXTEND_UNSIGNED): Define.
5823 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5824 (FUNCTION_MODE): Define to be Pmode.
5825 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5827 * function.c (expand_function_end): Properly handle DECL_RESULT
5828 and copy when ptr_mode != Pmode.
5829 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5831 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5833 * c-common.c (c_common_nodes_and_builtins): Set prototype
5834 parameters for __builtin_fputs, __builtin_fputc and
5835 __builtin_fwrite. Don't declare plain fputc as a builtin.
5837 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5839 * loop.c (add_label_notes): Increment the label usage count when
5840 a note is added to an insn which refers to a CODE_LABEL.
5841 * gcse.c (add_label_notes): Likewise.
5843 2001-01-01 Andreas Jaeger <aj@suse.de>
5845 * loop.c (scan_loop): Use xmalloc to allocate movables.
5847 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5849 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5850 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5851 * reload1.c (REGISTER_MOVE_COST): Likewise.
5852 * regclass.c (REGISTER_MOVE_COST): Likewise.
5853 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5854 dimension. Adjust all users.
5855 (init_reg_sets_1): Iterate on all modes.
5856 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5857 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5858 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5859 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5860 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5861 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5862 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5863 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5864 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5865 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5866 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5867 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5868 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5869 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5870 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5871 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5872 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5873 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5874 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5875 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5876 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5877 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5878 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5879 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5880 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5881 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5882 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5884 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5886 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5887 arg VARIES_P. Call it with extra arg.
5888 (true_dependence): Likewise.
5889 * rtl.h (rtx_addr_can_trap_p): Declare.
5890 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5892 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5893 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5894 pic offset table register if it's zero. All callers changed.
5895 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5897 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5899 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5900 STRING_POOL_ADDRESS_P.
5902 * config/sparc/sparc.c (input_operand): Properly test for short op.
5904 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5905 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5906 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5907 * config/sparc/elf.h: No longer include sol2.h.
5908 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5909 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5911 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5913 2001-01-01 Michael Hayes <mhayes@redhat.com>
5915 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5916 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5917 (record_initial): Likewise.
5918 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5919 (remap_split_bivs): Likewise.
5921 2001-01-01 Michael Hayes <mhayes@redhat.com>
5923 * loop.c (loop_ivs_free): New function.
5924 (strength_reduce): Break out from...
5926 2001-01-01 Michael Hayes <mhayes@redhat.com>
5928 * loop.h (struct iv): New.
5929 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5930 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5931 'reg_biv_class' fields with 'regs' and 'n_regs'.
5932 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5933 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5934 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5936 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5938 * resource.c (mark_referenced_resources): Abort() before
5939 attempting to mark a pseudo register.
5940 (mark_set_resources): Likewise.
5942 2001-01-01 Michael Hayes <mhayes@redhat.com>
5944 * loop.h (REG_IV_CLASS): New accessor macro.
5945 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5946 * unroll.c (REG_IV_CLASS): Likewise.
5948 See ChangeLog.4 for earlier changes.