1 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
4 xcalloc in lieu of malloc, realloc & calloc.
6 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
8 * gengenrtl.c (xmalloc): Likewise.
10 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
11 really_call_* memory allocation routines.
13 * stmt.c (check_for_full_enumeration_handling): Use
14 really_call_calloc, not calloc.
16 * system.h (really_call_malloc, really_call_calloc,
17 really_call_realloc): Define.
18 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
20 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
22 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
24 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
27 * configure.in: Only use `lang_requires' for languages athat are
30 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
32 * invoke.texi: Fix typo.
35 2001-03-09 Zack Weinberg <zackw@stanford.edu>
37 * configure.in: Prune nonexistent files from build_xm_file,
38 xm_file, and host_xm_file lists. Warn unless they're
40 Don't generate *config.h here.
41 AC_SUBST all variables needed to generate *config.h.
42 * configure: Regenerate.
43 * mkconfig.sh: New helper script, from code removed from
45 * Makefile.in: Zap all MALLOC variables - no longer used
46 anywhere, and malloc.c doesn't exist.
47 Substitute in variables needed to generate *config.h.
48 Stop lying about the dependencies contained in CONFIG_H and
50 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
51 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
52 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
53 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
54 $(TM_P_H), etc. as appropriate.
56 * config.gcc: Zap references to deleted files.
57 * ggc-none.c: Don't include rtl.h or tm_p.h.
59 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
60 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
61 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
62 config/i386/xm-linux.h, config/i386/xm-linux.h,
63 config/i386/xm-next.h, config/i386/xm-openbsd.h,
64 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
65 Don't include i386/xm-i386.h.
67 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
68 config/i386/xm-i386.h, config/i860/xm-i860.h,
69 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
70 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
71 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
72 Delete (empty except comments, #includes of other deleted
73 files, and macros used nowhere).
75 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
77 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
78 independent on TARGET_FLAGS.
80 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
82 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
84 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
86 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
88 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
89 LAST_REX_SSE_REG): define.
90 (enum reg_class): Add 'LEGACY_REGS'
91 (REG_CLASS_CONTENTS): Likewise; add extended registers.
92 (SSE_REGNO_P): Recognize extended registers.
93 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
94 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
95 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
96 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
97 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
98 REG_OK_FOR_STRREG_P): Remove.
99 (HI_REGISTER_NAMES): Add extended registers.
100 (ADDITIONAL_REGISTER_NAMES): Likewise.
101 (QI_REGISTER_NAMES): Add 8bit extended registers.
102 (DEBUG_REG): Support extended registers.
103 * i386.c (regclass_map): Add extended registers.
104 (dbx_register-map): Likewise.
105 (svr4_dbx_register_map): Likewise.
106 (print_reg): Support extended registers.
107 (print_operand): Support 64bit operands.
109 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
111 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
112 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
113 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
114 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
115 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
116 STACK_BOUNDARY): Set properly for 64bits.
117 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
118 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
119 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
120 (MOVE_MAX): Set to 16.
121 (MOVE_MAX_PIECES): 8 for 64bit.
122 (Pmode): Set to SImode.
124 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
126 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
128 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
130 * i386.h (mask_64bit): New constant.
131 (target_64bit): New macro.
132 (target_options): Add '64'/'32'
133 (target_default): Define.
134 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
135 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
136 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
138 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
140 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
142 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
144 * rtlanal.c (rtx_varies_p): Check operand 0 of a
145 LO_SUM unless for_alias is set.
147 2001-03-08 Stan Shebs <shebs@apple.com>
149 * objc/objc-act.c: Fix old typos in comments, add comments for
151 (hash_init): Fix file name in error message.
153 (hash_add_attr): Ditto.
154 (continue_class): Ditto.
156 2001-03-08 Bruce Korb <bkorb@gnu.org>
158 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
159 wait4() can receive the signal.
161 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
163 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
165 * fixinc/fixincl.x: Regenerate.
167 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
169 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
171 * fixinc/fixincl.x: Regenerate.
173 2001-03-08 Richard Henderson <rth@redhat.com>
175 * configure.in (HAVE_AS_LEB128): New assembler check.
176 * configure, config.in: Rebuilt.
178 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
180 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
183 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
185 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
186 references to the MAXPATHLEN macro.
188 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
189 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
192 * config/i386/xm-gnu.h, config/xm-gnu.h,
193 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
194 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
195 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
198 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
199 doing so in various xm-*.h files.
201 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
203 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
205 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
207 * configure.in (enable_shared): Support per-package shared-library
209 * configure: Rebuilt.
211 2001-03-07 David Edelsohn <edelsohn@gnu.org>
213 * rs6000.md (cr logic): Add original POWER mnemonic alternative
214 for crnot. Set operands[5] in splitter.
216 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
218 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
219 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
220 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
221 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
222 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
223 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
224 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
227 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
228 config/i370/xm-i370.h, config/i386/xm-dgux.h,
229 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
230 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
231 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
232 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
233 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
234 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
235 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
236 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
237 Delete unused and/or empty files.
239 * config.gcc: Define USG in xm_defines as appropriate. Define
240 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
241 macro. Remove deleted xm-* files from $xm_files variable.
243 2001-03-07 Tom Tromey <tromey@redhat.com>
245 * configure: Rebuilt.
246 * configure.in: Allow config-lang.in to set `lang_requires' to list
247 of other required languages.
249 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
251 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
253 (output_prologue): Use xmalloc not oballoc.
254 (output_epilog): Free a29k_first_epilogue_insn when finished.
255 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
257 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
259 * builtins.c (expand_builtin_mathfn): Check
260 flag_unsafe_math_optimizations, not flag_fast_math.
261 (expand_builtin): Likewise
262 * combine.c (combine_simplify_rtx): Likewise.
263 (simplify_if_then_else): Likewise.
264 * cse.c (fold_rtx): Likewise.
265 * flags.h: Remove flag_fast_math. Add
266 flag_unsafe_math_optimizations and flag_trapping_math.
267 * fold-const.c (negate_expr): Check
268 flag_unsafe_math_optimizations, not flag_fast_math.
269 (invert_truthvalue): Likewise.
270 (fold): Likewise. Before associating operands, check that
271 code == MULT_EXPR, not code != MULT_EXPR.
272 * ifcvt.c (noce_try_minmax): Check
273 flag_unsafe_math_optimizations, not flag_fast_math.
274 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
275 * invoke.texi: Document -funsafe-math-optimizations and
276 -fno-trapping-math. Change documentation for -ffast-math.
277 * jump.c (reversed_comparison_code_parts): Likewise.
278 (rtx_equal_for_thread_p): Likewise.
279 * optabs.c (emit_conditional_move): Likewise.
280 * simplify-rtx.c (simplify_binary_operation): Likewise.
281 (simplify_relational_operation): Likewise.
282 (simplify_ternary_operation): Likewise.
283 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
284 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
285 Add trapping-math and unsafe-math-optimizations entries to f_options.
286 (set_fast_math_flags): New, sets flags for -ffast-math.
287 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
288 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
289 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
291 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
292 (alpha_emit_conditional_move): Initialize local_fast_math to
293 flag_unsafe_math_optimizations, not flat_fast_math.
294 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
295 instead of setting flag_fast_math to 1.
296 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
298 * config/i386/i386.c (override_options): Likewise
299 * config/i386/i386.md: Likewise.
300 * config/m68k/m68k.md: Likewise.
301 * config/mips/mips.md: Likewise.
302 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
303 (rs6000_generate_compare): Likewise.
305 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
307 * Makefile.in: Set RANLIB to @RANLIB@.
310 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
312 * fixinc/inclhack.def (djgpp_wchar_h): New test.
313 * fixinc/fixincl.x: Regenerated.
315 2001-03-07 Richard Henderson <rth@redhat.com>
317 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
319 2001-03-07 Richard Henderson <rth@redhat.com>
321 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
322 of block notes and exception handling notes.
324 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
325 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
326 (compile_file): ... here.
328 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
330 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
332 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
333 config.h now. Include libiberty.h to handle alloca.
335 2001-03-06 Zack Weinberg <zackw@stanford.edu>
337 * c-parse.in (yylexname): New function, split out of _yylex.
338 (objc_rid_sans_at): New table.
339 (init_reswords): Initialize it.
340 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
341 retrieving the next token and checking it for significance as
342 an ObjC keyword or string constant.
344 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
345 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
347 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
350 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
352 * config/m68k/m68k.c (const_uint32_operand): Accept any
353 const_int on a 32-bit host.
355 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
357 * objc/objc-act.c (init_objc): Set save_lang_status,
358 restore_lang_status, and mark_lang_status.
360 2001-03-06 Krister Walfridsson <cato@df.lth.se>
362 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
364 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
366 * cppinternals.texi: Update.
368 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
370 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
371 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
372 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
373 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
374 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
375 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
376 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
377 config/i386/xm-i386.h, config/i860/xm-i860.h,
378 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
379 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
380 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
381 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
382 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
383 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
384 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
385 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
386 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
387 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
388 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
389 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
390 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
391 match the defaults provided in hwint.h.
393 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
394 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
396 * config.gcc (xm_file): Don't set to files which are deleted.
398 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
399 guard this file against these macros being undefined.
401 2001-03-06 Zack Weinberg <zackw@stanford.edu>
403 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
404 and DECL_DEFER_OUTPUT on the decl we create, before calling
405 rest_of_decl_compilation.
407 2001-03-06 Zack Weinberg <zackw@stanford.edu>
409 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
411 * configure, config.in: Regenerate.
412 * config.gcc: Remove references to deleted files.
414 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
415 genrecog.c, rtl.c: Do not use alloca anywhere.
417 * Makefile.in, build-make, system.h, config/x-interix,
418 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
419 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
420 config/arc/xm-arc.h, config/arm/xm-arm.h,
421 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
422 config/h8300/xm-h8300.h, config/i370/x-oe,
423 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
424 config/i386/x-ncr3000, config/i386/x-sco5,
425 config/i386/xm-dgux.h, config/i860/x-sysv4,
426 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
427 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
428 config/m68k/x-hp320g, config/m69k/x-mot3300,
429 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
430 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
431 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
432 config/m88k/x-sysv4, config/m88k/x-tekXD88,
433 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
434 config/mips/x-iris, config/mips/x-iris3,
435 config/mips/x-sni-svr4, config/mips/x-sysv,
436 config/mips/xm-iris6.h, config/mips/xm-mips.h,
437 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
438 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
439 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
440 config/pa/xm-papro.h, config/romp/xm-romp.h,
441 config/rs6000/x-aix31, config/rs6000/x-aix41,
442 config/rs6000/x-beos, config/rs6000/x-lynx,
443 config/rs6000/x-mach, config/rs6000/x-rs6000,
444 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
445 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
446 config/sparc/x-sysv4, config/sparc/xm-linux.h,
447 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
448 config/vax/xm-vms.h: Eradicate all references to alloca and
451 * config/xm-alloca.h, config/clipper/x-clix,
452 config/i386/xm-sysv4.h, config/i860/x-fx2800,
453 config/i860/x-sysv3, config/m88k/x-sysv3,
454 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
455 (contained only alloca related hacks).
457 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
460 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
462 * invoke.texi: Document __FAST_MATH__.
464 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
466 * crtstuff.c: Restore include of auto-host.h.
468 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
470 Put main() in a separate file, so that the language
471 front-end can use a different main().
474 * toplev.c: (main): Rename as toplev_main.
475 * toplev.h: Declare toplev_main.
476 * Makefile.in (OBJS): add toplev.o.
477 (BACKEND): remove toplev.o, add main.o.
479 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
481 * cppfiles.c (search_from): Special case the empty string.
483 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
485 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
486 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
487 strlen or strcpy; we already know the length.
488 (_cpp_compare_file_date): Similarly.
489 * cpphash.h (struct cpp_reader): Delete done_initialising.
490 (CPP_PREV_BUFFER): Delete.
491 * cppinit.c (cpp_start_read): Don't set done_initialising.
492 * cpplex.c (parse_string): Guarantee null-termination.
493 (_cpp_equiv_toklists): Remove.
494 * cpplib.c (glue_header_name): Null-terminate.
495 (do_line): Don't leak memory.
496 * cpplib.h (BT_WEAK): Delete.
497 * cppmain.c (cb_ident): Strings are now null-terminated.
499 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
501 * gcc.c (convert_filename): Append executable suffix
502 if NO_AUTO_EXE_SUFFIX is not defined.
503 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
504 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
506 2001-03-03 David O'Brien <obrien@FreeBSD.org>
508 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
509 * c-parse.gperf, c-gperf.h: Delete.
510 (c-gperf.h was accidently re-added to the CVS repo in the rev
511 1.16 commit by tromey)
513 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
515 * cpplex.c (_cpp_lex_token): Don't warn about directives in
516 macro arguments when looking for the '('.
517 * cppmacro.c (funlike_invocation_p): Set parsing_args to
518 2 when really parsing arguments; 1 when looking for '('.
519 Always restore the lexer position.
521 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
523 * longlong.h (umul_ppmm): Don't use a multiline string.
525 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
527 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
528 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
529 t_bool in declaration because pcc can't combine volatile with typedef
532 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
534 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
535 until when it is really needed.
536 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
537 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
538 * i386.md (float?i?f splitter): Don't force source operand to memory
540 (sse_movdfcc): Fix constraint.
541 (sse_movdfcc splitter): Handle properly the second alternative.
543 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
545 * cpplex.c (parse_string): Unconditionally pedwarn.
547 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
550 * cppexp.c (parse_number): Update.
551 * cpplex.c (parse_string): Pedwarn if multiline string does not
552 result from a system header's macro.
553 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
554 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
555 for function-like macros too.
556 * c-lex.c (lex_number): Update.
558 2001-03-03 Richard Henderson <rth@redhat.com>
560 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
562 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
564 * combine.c (try_combine): If split with mode-changed scratch
565 register didn't work, try the original mode.
567 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
569 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
570 * config/c4x/c4x.h: Likewise.
571 * stor-layout.c (compute_record_mode): Likewise.
572 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
574 2001-03-02 Zack Weinberg <zackw@stanford.edu>
576 * configure.in: Kill tm.h. Include the files in the $tm_file
577 list in all three of config.h, hconfig.h, tconfig.h, after the
578 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
579 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
580 * configure: Regenerate.
581 * Makefile.in (clean): Don't delete tm.h.
583 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
584 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
585 those are not defined, set SEC and FEC to 0 and 1.
586 * gcc.texi: Update to match.
588 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
589 * config/fp-bit.c, config/m68k/aux-crt2.asm,
590 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
591 Include tconfig.h, not tm.h.
593 * config/xm-lynx.h, config/xm-std32.h,
594 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
595 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
596 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
597 config/clipper/xm-clix.h, config/convex/xm-convex.h,
598 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
599 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
600 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
601 config/i386/xm-i386.h, config/i860/xm-i860.h,
602 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
603 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
604 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
605 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
606 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
607 config/pa/xm-linux.h, config/pa/xm-pa.h,
608 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
609 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
610 config/pj/xm-pj.h, config/romp/xm-romp.h,
611 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
612 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
613 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
614 config/v850/xm-v850.h, config/vax/xm-vax.h,
615 config/we32k/xm-we32k.h:
617 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
619 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
620 config/i370/xm-oe.h: Don't include tm.h. Don't define
622 * config/vax/xm-vms.h: Don't include tm.h.
624 * config/xm-lynx.h, config/avr/xm-avr.h,
625 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
626 Delete; made empty by above changes.
627 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
628 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
629 Don't include config/xm-lynx.h or tm.h.
631 * config/xm-gnu.h: Don't include fcntl.h.
632 * config/sparc/xm-lynx.h: Don't include sys/types.h and
634 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
636 2001-03-02 Richard Henderson <rth@redhat.com>
638 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
639 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
641 2001-03-02 Richard Henderson <rth@redhat.com>
643 * Makefile.in (OBJS): Add dwarf2asm.o.
644 * dwarf2asm.c, dwarf2asm.h: New files.
645 * dwarf2out.c (*): Use them.
646 (size_of_uleb128, size_of_sleb128): Remove.
647 (output_uleb128, output_sleb128): Remove.
648 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
649 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
650 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
651 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
652 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
653 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
654 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
655 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
656 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
657 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
658 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
659 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
660 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
661 (dwarf2out_frame_debug): Remove unused variables.
662 (output_loc_operands): Don't abort on 8 byte constants if
663 host integers are wide enough.
664 (output_symbolic_ref): Remove.
665 (size_of_die): Don't assume 4 byte host integers.
666 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
668 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
669 something stupid with HOST_WIDE_INT to long truncation.
670 [CONST_DOUBLE]: Likewise.
672 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
673 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
674 * config/arm/unknown-elf.h: Likewise.
675 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
676 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
677 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
678 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
679 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
680 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
681 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
682 (ASM_OUTPUT_DWARF_OFFSET): Remove.
683 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
684 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
685 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
686 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
688 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
690 * cselib.c (hash_rtx): Cast enums to unsigned int.
692 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
694 * print-rtl.c (print_rtx): Cast enums to int for comparison.
695 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
697 * c-format.c (C_STD_VER): Cast to int for comparisons.
698 (check_function_format): Cast various enums to int for &.
699 (maybe_read_dollar_number): Likewise.
700 (check_format_info): Likewise.
701 (check_format_info_main): Likewise.
702 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
703 (safe_from_p): Likewise.
704 * varasm.c (const_hash): Cast enum to int for %.
705 * emit-rtl.c (init_emit_once): Use int loop variable to work around
706 pcc enum problems with < and ++ operators.
707 * regclass.c (init_reg_sets_1): Cast enums for comparison.
708 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
709 (regclass_init): Change enum class to int to iterate over reg_classes.
710 * genrecog.c (merge_trees): Cast enums for comparison.
711 * rtl.h (GET_CODE): Cast to enum rtx_code.
712 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
713 (GET_MODE): Cast to enum machine_mode.
714 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
715 (GET_NOTE_INSN_NAME): Cast enum to int.
716 * tree.h (TREE_CODE): Cast to enum tree_code.
717 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
718 * timevar.c (timevar_print): Change loop variable id from enum to
720 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
721 * config/i386/i386.md: Use PUT_MODE for mode assignment.
722 * toplev.c (compile_file): Cast enum DFI to int.
723 (decode_d_option): Likewise.
725 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
727 * cppinit.c (append_include_chain): Mark "after" include file name list
728 as a system directory.
729 * cpp.texi: Document new behavior.
731 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
733 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
735 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
737 * cppfiles.c (struct include_file): Update.
738 (stack_include_file): Use search_from.
739 (cpp_included, find_include_file): Update.
740 (cpp_execute_include): Update. ptr->name may not be
741 null terminated. Use the new search_from member variable
743 (_cpp_compare_file_date): Similarly.
744 (search_from): New function, similiar to actual_directory.
745 (actual_directory): Delete.
746 (remap_filename): Update. loc->name may not be null terminated.
747 (struct file_name_list): Rename search_path. Update.
748 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
750 (struct cpp_reader): Remove actual_dirs.
751 * cppinit.c (struct cpp_pending): Update for renamed objects.
752 (append_include_chain, remove_dup_dir, remove_dup_dirs,
753 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
754 * cpplib.h (struct cpp_options): Similarly.
756 2001-03-01 Zack Weinberg <zackw@stanford.edu>
758 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
759 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
760 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
761 config/clipper/xm-clix.h, config/convex/xm-convex.h,
762 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
763 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
764 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
765 config/i370/xm-linux.h, config/i370/xm-mvs.h,
766 config/i370/xm-oe.h, config/i386/xm-aix.h,
767 config/i386/xm-i386.h, config/i386/xm-osf.h,
768 config/i860/xm-i860.h, config/i960/xm-i960.h,
769 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
770 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
771 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
772 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
773 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
774 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
775 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
776 config/pj/xm-pj.h, config/romp/xm-romp.h,
777 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
778 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
779 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
780 config/v850/xm-v850.h, config/vax/xm-vax.h,
781 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
782 Do not define TRUE or FALSE.
784 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
785 empty by above change.
786 * config.gcc: Remove references to these files.
788 * configure.in: Detect stdbool.h.
789 * configure, config.in: Regenerate.
790 * system.h: Include stddef.h here if available.
791 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
792 Then set up a sensible boolean type at the very end.
794 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
795 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
797 * hash.h: Delete 'boolean' typedef and related #undefs.
799 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
800 all uses of 'boolean' with 'bool'.
802 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
804 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
805 * cppexp.c (lex): Cast enums for comparison.
806 * cppinit.c (parse_option): Cast enum for comparison.
807 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
808 (cpp_output_token): Likewise.
809 (cpp_can_paste): Cast enums for comparsion and plus/minus.
810 (cpp_avoid_paste): Cast enums for minus and comparison.
812 2001-03-01 Zack Weinberg <zackw@stanford.edu>
814 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
815 field to all array elements.
817 2001-03-01 Zack Weinberg <zackw@stanford.edu>
819 * cpphash.h (struct cpp_reader): Add print_version field.
820 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
821 just set print_version and other flags as appropriate.
822 (cpp_post_options): Print version here if print_version is set.
824 * toplev.c (exit_after_options): New flag.
825 (independent_decode_option): Don't exit here; just set
827 (main): Exit after calling lang_hooks.post_options if
828 exit_after_options is true.
830 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
831 (merge_include_chains): Adjust comment to match code.
833 2001-03-01 Zack Weinberg <zackw@stanford.edu>
835 * stringpool.c (set_identifier): New function.
836 * tree.h: Prototype it.
838 * c-parse.in: Kill D_YES. If compiled for objc, call
839 save_and_forget_protocol_qualifiers from init_reswords.
840 * objc/objc-act.c (remember_protocol_qualifiers,
841 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
842 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
844 (save_and_forget_protocol_qualifiers): New function.
845 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
847 2001-03-01 Diego Novillo <dnovillo@redhat.com>
849 * c-semantics.c (prune_unused_decls): Return error_mark_node
850 instead of (tree) 1 to stop traversing the tree chain.
852 2001-03-01 Bernd Schmidt <bernds@redhat.com>
854 Fix a problem introduced by Kenner's Feb 18 change.
855 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
856 flag_cse_skip_blocks only temporarily, not for ever.
858 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
860 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
861 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
863 * pa.c (emit_move_sequence): Verify operand0 is a hard register
864 before determining its register class.
866 2001-03-01 Bernd Schmidt <bernds@redhat.com>
868 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
869 from reg 4 if current_function_calls_setjmp.
870 (gen_nop_type): New function.
871 (ia64_emit_nops): New function.
872 (ia64_reorg): Call it.
873 (ia64_sched_reorder): Move code that rotates bundles up a bit.
875 * reload1.c (eliminate_regs_in_insn): Restrict the special case
876 code not to try to optimize adds with anything but a REG destination.
878 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
879 (INSN_PRIORITY_KNOWN): New accessor macro.
880 * haifa-sched.c (priority): Use it instead of testing priority against
883 2001-02-28 DJ Delorie <dj@redhat.com>
885 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
886 since that doesn't work the way gcc wants on a generic m68k.
888 2001-02-28 Richard Henderson <rth@redhat.com>
890 * caller-save.c (save_call_clobbered_regs): Fix typo in
891 comparison last change.
893 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
895 * i386.c (pentium4_cost): New.
896 (m_PENT4): New macro.
897 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
898 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
899 x86_integer_DFmode_moves, x86_partial_reg_dependency,
900 x86_memory_mismatch_stall): Add Pentium4
901 (x86_use_q_reg, x86_use_any_reg): Kill.
902 (override_options): Add pentium4.
903 (incdec_operand): Return 0 for pentium4.
904 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
905 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
906 (TARGET_PENTIUM4): Define.
907 (enum processor_type): Add PROCESSOR_PENTIUM4.
908 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
909 * i386.md (attribute "cpu"): Add pentium4.
910 * invoke.texi (march): Add pentium4.
912 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
914 * i386.md (sse_mov?fcc*): New patterns and splitters.
915 * i386.c (ix86_expand_movcc): Work post-reload; recognize
916 the SSE based conditional moves.
918 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
920 * i386.md (attribute mode): Add "TI".
921 (movsf_1): Add pxor support; remove constant propagation splitter.
922 (movdf_integer): Likewise.
923 (movdf_nointeger): Likewise.
924 (movxf constant prop splitter): Handle all modes; update for SSE.
925 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
926 * i386.c (standard_80387_constant_p): Rewrite.
927 (standard_sse_constant_p): New.
928 * i386-protos.h (standard_sse_constant_p): New.
930 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
932 * i386.md (sse_setccsf, sse_setccdf): New.
933 (sse_cmp* patterns): Use '%D' instead of outputtting condition
935 * i386.c (sse_comparison_operator): Accept the supported unordered
936 comparses; be ready for fast_math.
937 (print_operand): Support 'D'.
939 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
941 * jump.c (reversed_comparison_code): Kill.
943 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
945 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
948 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
950 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
951 add missing '%' in constraints.
953 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
955 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
956 for HOST_BITS_PER_WIDE_INT == 32 too.
958 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
960 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
962 (insert_save, insert_restore): New parameter save_mode.
963 (init_caller_save): Update initialization of reg_save_code
964 and reg_restore_code.
965 (save_call_clobbered_regs): Compute save_modes and update calls to
966 reg_save_code and reg_restore_code.
967 (insert_restore): Unsignetize numbers; use save_modes to choose mode
968 of spill; update use of reg_restore_code.
969 (insert_save): Likewise.
970 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
971 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
972 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
974 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
976 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
977 noce_try_store_flag_inc, noce_try_store_flag_mask,
978 noce_try_cmove_arith):
979 Use reversed_comparison_code instead of reverse_comparison and
980 can_reverse_comparison_p.
982 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
984 * jump.c (reversed_comparison_code_parts): Allow reversal of
985 unordered compares in -ffast-math mode; reverse ordered compares
986 for FP even w/o -ffast-math.
988 2001-02-27 Richard Henderson <rth@redhat.com>
990 * print-rtl.c (print_rtx) [i]: Don't print field five on
991 NOTEs other than NOTE_INSN_DELETED_LABEL.
993 2001-02-27 Zack Weinberg <zackw@stanford.edu>
995 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
996 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
998 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1000 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1001 even if walk_subtrees is 0.
1002 * c-semantics.c (prune_unused_decls): Return a non-null value to
1003 stop traversing the tree chain.
1005 2001-02-27 DJ Delorie <dj@redhat.com>
1007 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1008 register, *then* define it as the new CFA.
1010 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1012 * pa.c (override_options): Promote -fpic to -fPIC.
1013 (legitimize_pic_address): Simplify due to removal of
1014 small PIC as a code generation option.
1015 (secondary_reload_class): Similarly.
1016 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1017 (PRINT_OPERAND_ADDRESS): Similarly.
1018 * pa.md (various patterns): Similarly.
1019 (small pic lo_sum pattern): Remove.
1021 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1024 * md.texi (min, max): Document
1026 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1028 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1029 TARGET_PARTIAL_REG_DEPENDENCY.
1030 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1032 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1034 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1036 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1038 * mips.c (mips_make_temp_file): Fix thinko in last change.
1040 2001-02-26 Jason Eckhardt <jle@redhat.com>
1042 * combine.c (known_cond): Do not reverse the condition when
1043 SMAX/UMAX is being considered and the condition is for equality
1046 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1048 2001-02-26 Philip Blundell <philb@gnu.org>
1050 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1052 * config/arm/linux-elf.h: Remove historical relics related to
1053 above configurations.
1054 * config/arm/linux-oldld.h: Delete.
1055 * config/arm/linux-elf26.h: Delete.
1057 2001-02-26 Jason Merrill <jason@redhat.com>
1059 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1061 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1062 recognize a tentative definition. Lose obsolete code.
1064 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1065 variables unless necessary, either.
1067 2001-02-25 Richard Henderson <rth@redhat.com>
1069 * ifcvt.c (struct noce_if_info): Add test_bb.
1070 (noce_get_alt_condition): New.
1071 (noce_try_minmax, noce_try_abs): New.
1072 (noce_operand_ok): New.
1073 (noce_process_if_block): Use them.
1074 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1076 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1078 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1081 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1083 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1084 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1086 (mips_asm_file_end): Free temp_filename here.
1088 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1090 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1091 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1093 * config/i386/i386.md (movstrsi): Handle FAIL case.
1095 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1097 * cppinit.c (builtin_array): Update.
1098 (init_builtins): Flag builtins to warn if redefined or
1099 undefined. Define __GXX_WEAK as a normal macro.
1100 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1101 * cpplib.h (NODE_WARN): New flag.
1102 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1103 Handle __STDC__ as a builtin only on Solaris.
1104 (warn_of_redefinition): Renamed from check_macro_definition.
1105 Reverse sense of test. Always warn if NODE_WARN.
1106 (_cpp_create_definition): Use warn_of_redefinition. Flag
1107 any macro beginning with "__STDC_" to require a mandatory
1108 warning if redefined or undefined.
1110 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1112 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1113 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1114 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1115 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1116 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1117 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1118 Don't define any of:
1119 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1120 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1121 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1122 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1123 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1125 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1126 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1129 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1130 Delete now-empty file.
1132 * alpha/vms.h: Define NEED_ATEXIT here...
1133 * alpha/xm-vms.h: ...not here.
1135 * i386/cygwin.h: Don't define PARAMS.
1136 * mips/mips.c: Don't prototype mktemp. Don't define
1137 P_tmpdir. Use make_temp_file to create temporary files.
1138 Don't be clever and delete temporary files early.
1139 * config.gcc: Drop references to deleted files. Don't define
1141 * gcc.texi: Don't mention USE_PROTOTYPES.
1143 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1145 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1146 (ix86_set_move_mem_attrs_1): Likewise.
1147 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1148 * config/i386/i386.md (movstrsi): Call it.
1150 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1152 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1153 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1154 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1155 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1157 (i750a-*-*): Error here if hosting on i750a.
1158 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1160 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1161 Remove (empty modulo comments).
1163 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1164 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1165 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1166 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1167 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1168 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1170 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1171 Remove reference to winnt.h in comment.
1172 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1174 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1176 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1177 used to set another biv.
1179 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1181 * tree.h (BLOCK_DEAD): New macro.
1182 (struct tree_block): New flag, dead_flag.
1183 * print-tree.c (print_node, case 'b'): Print missing fields.
1184 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1185 * function.c (identify_blocks): Enable test for misplaced notes.
1186 (all_blocks): Skip BLOCK_DEAD blocks.
1187 * integrate.c (integrate_decl_tree): Likewise.
1189 * errors.c (internal_error, trim_filename): New functions.
1190 (fancy_abort): Call internal_error.
1191 * errors.h (internal_error, trim_filename): New declarations.
1193 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1195 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1197 (EXTRA_CONSTRAINT): Formatting changes.
1199 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1201 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1203 2001-02-23 Per Bothner <per@bothner.com>
1205 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1206 so they can be called from java/jvspec.c.
1207 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1209 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1211 * i386.c (ix86_frame): New structure.
1212 (ix86_compute_frame_size): Kill.
1213 (ix86_compute_frame_layout): New.
1214 (ix86_save_reg): New.
1215 (ix86_can_use_return_insn_p): Use frame layout stuff.
1216 (ix86_expand_prologue): Likewise.
1217 (ix86_expand_epilogue): Likewise.
1218 (ix86_initial_elimination_offset): Likewise.
1219 (ix86_nsaved_regs): Use ix86_save_reg.
1220 (ix86_emit_save_regs): Likewise.
1222 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1224 * flow.c (find_sub_basic_blocks): New function.
1225 (split_block): Be ready for basic block introduced by CODE_LABEL.
1226 (commit_one_edge_insertion): Call find_sub_basic_block.
1228 * flow.c (make_edges): Add edge from entry for blocks starting with
1229 label having ALTERNATE_NAME
1231 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1233 * function.c (epilogue_done): Be ready for first basic block not
1234 containing PROLOGUE_END note.
1235 (reposition_prologue_and_epilogue_notes): Avoid placing
1236 PROLOGUE_END note between BASIC_BLOCK.
1238 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1240 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1242 2001-02-21 DJ Delorie <dj@redhat.com>
1244 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1245 check for current_function_has_nonlocal_goto from 1999-11-12.
1247 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1249 * diagnostic.c (trim_filename): No longer static.
1250 * toplev.h (trim_filename): Declare.
1251 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1252 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1253 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1254 (rtvec_check_failed_bounds): Likewise.
1255 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1257 * convert.c (convert_to_integer): Don't do unsigned unless result or
1258 both inputs are unsigned.
1260 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1263 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1265 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1267 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1269 * Makefile.in (resource.o): Add params.h dependence.
1270 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1271 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1272 * resource.c: Add dependence on params.h.
1273 (current_live_regs): Fix explanatory comment.
1274 (find_basic_block): Add new parameter to permit limiting search
1276 (mark_target_live_regs): Add new argument to find_basic_block call.
1277 (incr_ticks_for_insn): Likewise.
1279 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1281 * diagnostic.c (output_to_stream): Rename to
1282 output_buffer_to_stream. Loses the stream parameter.
1283 (init_output_buffer): Set diagnosic_buffer's stream.
1284 (flush_diagnostic_buffer): Adjust.
1285 (default_print_error_function): Likewise.
1286 (finish_diagnostic): Likewise.
1287 (verbatim): Likewise.
1289 * diagnostic.h (struct output_buffer): Add `stream' field.
1290 (output_buffer_attached_stream): New macro.
1292 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1294 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1295 check if either operand is divisible by C.
1296 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1297 If type is signed, consider negative numbers as well.
1299 2001-02-22 Richard Henderson <rth@redhat.com>
1301 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1302 reach .text instead of gp-relative relocs.
1303 * config/ia64/crtend.asm (.init): Likewise.
1305 2001-02-22 Andreas Jaeger <aj@suse.de>
1307 * extend.texi (C++ Attributes): Fix typo.
1309 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1311 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1312 functions, drop current_function_args_info.words test.
1313 (ia64_compute_frame_size): Mark syscall_linkage functions as
1314 using eight input registers.
1316 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1317 Bruce Korb <bkorb@gnu.org>
1319 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1320 * fixinc/README: Document how to convert sed substitutions
1321 to format style c_fix-es.
1322 * fixinc/fixincl.x: regen
1324 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1326 * gcc.c: Add comment explaining how to add a command-line option.
1327 Add title to specs language comment.
1329 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1331 * gcc.c (cc1_options): Add "-param".
1332 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1333 (option_map): Likewise.
1334 * toplev.c (display_help): Add entry for "--param".
1335 (independent_decode_option): Fix typographical error.
1337 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1338 Bernd Schmidt <bernds@redhat.com>
1339 Jan Hubicka <jh@suse.cz>
1341 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1342 (function_arg): Likewise.
1344 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1346 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1348 2001-02-21 Kazu Hirata <kazu@hxi.com>
1350 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1354 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1356 * flow.c (init_propagate_block_info): Canon address and use single_set
1357 for killing dead memory stores.
1359 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1361 * Makefile.in (reorg.o): Add params.h dependence.
1362 * params.def: Fix typographical error in comment.
1363 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1364 * params.h: Modify introductory comment.
1365 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1366 * reorg.c: Add dependence on params.h.
1367 (redundant_insn): Add parameterized throttle for search.
1368 (fill_simple_delay_slots): Add a comment explaining a variable.
1369 Move conditional out of loop, simplifying code.
1370 (fill_eager_delay_slots): Fix typographical error in comment.
1372 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1374 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1376 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1377 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1379 2001-02-21 Jason Merrill <jason@redhat.com>
1381 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1382 (struct tree_decl): Add uninlinable bitfield.
1383 * c-decl.c (duplicate_decls): Set it.
1384 * integrate.c (function_cannot_inline_p): Check it.
1386 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1387 DW_AT_MIPS_linkage_name to abstract methods.
1388 (dwarf2out_abstract_function): Emit class context before calling
1389 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1390 (gen_subprogram_die): Remove obsolete code.
1391 (gen_member_die): Don't include clones in the member list.
1392 (gen_decl_die): Emit abstract info for clone origin.
1393 * dwarfout.c (output_type): Don't include clones in the member list.
1394 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1395 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1396 DECL_ABSTRACT on a function that already has it set.
1398 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1399 (get_subprogram_die): Pass it in.
1401 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1403 * flow.c (mark_set_1): Make not_dead unsigned long. For
1404 non-pseudos, use it as a bitmask of the hard regs that
1407 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1409 * cppfiles.c: Update comments.
1410 (_cpp_read_file): Don't check for NULL filenames any more.
1411 * cppinit.c (cpp_start_read): Don't do canonicalization of
1412 in_fname and out_fname. Use the passed file name exclusively.
1413 (_cpp_handle_options): Don't treat "-" as a command line option,
1414 but as a normal filename.
1415 (_cpp_post_options): Canonicalize in_fname and out_fname.
1416 * cppmain.c (printer_init): Don't check out_fname for NULL.
1417 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1418 (init_c_lex): Update, and use "" to represent stdin to CPP.
1421 2001-02-20 Will Cohen <wcohen@redhat.com>
1423 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1424 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1425 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1428 2001-02-20 Stan Shebs <shebs@apple.com>
1430 * config/rs6000/rs6000.c (output_cbranch): Output branches
1431 on separate lines instead of using ';' to separate.
1433 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1435 * cppinit.c (set_lang): Move builtin handling to...
1436 (init_builtins): ...here.
1437 (_cpp_create_reader): Move call to set_lang.
1439 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1441 * stmt.c (expand_return): If an attempt is made to return the
1442 error_mar_node, treat the return like a return without a value.
1444 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1446 * sibcall.c (skip_copy_to_return_value): Call
1447 identify_call_return_value here, and return orig_insn if it
1448 returns zero. Hardret and softret arguments now unnecessary.
1449 (call_ends_block_p): Don't call identify_call_return_value here.
1451 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1453 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1454 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1456 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1458 * pa.c (move_operand): Accept code to load the address of a
1459 symbol out of the DLT as a valid move operand.
1460 (print_operand, case 'A'): New to handle generating a DLT
1461 reference for a LO_SUM expression.
1462 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1463 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1465 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1467 * README, cpp.texi, gcc.texi, version.c: Update version number to
1469 * cpp.1, gcov.1, gcc.1: Regenerate.
1471 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1473 * cppfiles.c (stack_include_file): Generate dependencies
1474 here, and manage include_count here too.
1475 (PRINT_THIS_DEP): Delete.
1476 (_cpp_execute_include): Do not generate dependencies here,
1477 apart from the case of a missing header. Do not manage
1479 (_cpp_read_file): Leave dependency generation to
1482 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1484 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1485 target_cpu_default. Remove dead assignment to
1488 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1490 * regclass.c (contains_reg_of_mode): Make global.
1491 (init_reg_sets): Remove contains_reg_of_mode; take into account
1492 CLASS_MAX_NREGS when looking for the proper mode.
1493 (dump_regclass): Dump only classes considered for the pseudo.
1494 (regclass): Use contains_reg_of_mode.
1496 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1498 * gcc.c (do_spec_1): 'n' for printing notices.
1499 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1501 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1503 * reg-stack.c (next_flags_user): Use current_block->end
1504 (swap_rtx_condition): Look for next user if flags don't die;
1505 give up on CALL_INSNs; use current_block->end.
1507 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1509 * sibcall.c (call_ends_block_p): New function.
1510 (optimize_sibling_and_tail_recursive_call): Use it.
1512 2001-02-18 Kazu Hirata <kazu@hxi.com>
1514 * config/h8300/h8300.md: Update copyright.
1515 (andsi3): Do not output an extra newline character.
1517 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1519 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1520 FNDECL may be unused.
1522 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1523 follow jumps after first run.
1524 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1525 it doesn't change any jumps.
1527 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1529 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1530 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1531 (mostlyclean): Corresponding changes.
1532 * rtlanal.c (hard-reg-set.h): Include.
1533 (rtx_unstable_p): Do not treat the argument pointer specially
1534 if it is not a fixed register.
1535 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1537 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1539 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1540 against last real insn in basic block.
1541 Rework to avoid gotos.
1543 * Makefile.in (gcse.o): Now includes ggc.h.
1544 * gcse.c: Include ggc.h.
1545 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1546 (try_replace_reg): Remove warning of uninitialize variable.
1547 (process_insert_insn): Call invalid_insn_p to validate insn.
1548 * recog.c (insn_invalid_p): Now global.
1549 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1550 * recog.h (insn_invalid_p): New declaration.
1552 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1554 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1555 assignments from FP constants since 'Y' output code can't handle it.
1556 (eligible_for_sibcall_delay): Likewise.
1558 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1559 Call fancy_abort directly, passing args.
1560 (print_rtl_and_abort): Now a macro, like fancy_abort.
1562 * final.c (output_operand_lossage): Use internal_error, not error.
1564 2001-02-18 Shane Nay <shane@agendacomputing.com>
1566 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1567 structure shift insns.
1569 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1571 * invoke.texi (-fsquangle): Remove documentation.
1572 (-fname-mangling-version): Likewise.
1574 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1576 * optabs.c (expand_abs): Remove reference to
1577 HAVE_contitional_arithmetic.
1578 * combine.c (simplify_set): Likewise.
1580 2001-02-18 Richard Henderson <rth@redhat.com>
1582 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1585 2001-02-18 Richard Henderson <rth@redhat.com>
1587 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1589 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1591 * reload1.c (reload_cse_simplify_set): Fix typo.
1593 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1595 * diagnostic.c (_fatal_insn): Decrement errorcount.
1597 * invoke.texi (-I): Add note avoiding use for system header files.
1599 * rtl.h (add_clobbers): Remove duplicate declaration.
1600 * recog.h (added_clobbers_hard_reg_p): New declaration.
1601 * genemit.c (struct clobber_pat): New field has_hard_reg.
1602 (gen_insn): Record if added clobbers clobber hard reg.
1603 (gen_split): Avoid unused warning if number of operands is 0.
1604 (output_added_clobbers_hard_reg_p): New function.
1607 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1609 * pa.c (hppa_expand_prologue): Simplify code storing return
1610 pointer. For large (>=8k) frames with a post_store, adjust stack
1611 pointer by 8k-64 first rather than by 64. When testing with
1612 VAL_14_BITS_P, always use the actual value rather than the value
1613 negated. Add blockage to prevent scheduling of spills before
1614 stack frame has been created.
1615 (hppa_expand_epilogue): Simplify code loading return pointer.
1616 Allow a slightly larger range for merge_sp_adjust_with_load case.
1617 When testing with VAL_14_BITS_P, always use the actual value.
1619 * pa.c (pa_adjust_insn_length): Check that block move
1620 pattern is a set before looking at operands.
1622 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1624 * fold-const.c (fold_binary_op_with_conditional_arg): New
1625 function, split out from ...
1627 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1628 conditional arms that throw exceptions.
1630 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1633 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1635 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1636 define HAVE_DECL_* to 1 to mask potential backup declarations.
1637 * configure: Regenerated.
1639 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1641 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1643 2001-02-17 Richard Henderson <rth@redhat.com>
1645 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1646 when replacing a memory load with a register.
1648 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1649 Jan Hubicka <jh@suse.cz>
1651 * recog.c (validate_replace_src_1): New.
1652 (validate_replace_src_data): Likewise.
1653 (validate_replace_src): Use note_uses.
1654 * rtl.h (note_uses): Declare.
1655 * rtlanal.c (note_uses): New.
1657 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1659 * reg-stack.c (stack_def): Make field reg unsigned.
1660 (remove_regno_note): Unsignetize parameter.
1662 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1664 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1665 shladd_operand() call.
1667 2001-02-16 Bruce Korb <bkorb@gnu.org>
1668 Rodney Brown <RodneyBrown@mynd.com>
1670 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1671 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1672 machine restrictions
1673 * fixinc/fixincl.x: regen
1675 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1677 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1679 (hash_scan_insn): Clean up calls to hash_scan_set.
1680 (compute_kill_rd): REGNO now unsigned.
1681 (try_replace_reg): Rework to use simplify_replace_rtx.
1682 (cprop_jump, cprop_cc0_jump): Likewise.
1683 (cprop_insn): Call find_reg_equal_equiv_note.
1684 Reflect changes to cprop_jump and cprop_cc0_jump.
1686 * recog.c (validate_replace_src): Replace in operands of
1687 ZERO_EXTRACT in SET_DEST.
1689 * cse.c (new_label_ref): New variable.
1690 (insert): Set it instead of recorded_label_ref.
1691 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1692 CODE_LABEL for this function, and not already in REG_LABEL note.
1694 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1696 * resource.c (mark_referenced_resources): Fix typo in introductory
1698 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1701 2001-02-16 Jason Merrill <jason@redhat.com>
1703 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1705 (gen_subprogram_die): Don't abort on seeing a second definition if
1706 the previous one was abstract. Don't replace an abstract instance
1707 in the lookup table.
1709 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1710 gen_abstract_function.
1711 * dwarf2out.h: Declare it.
1712 * toplev.c (note_outlining_of_inline_function): New fn.
1713 * toplev.h: Declare it.
1714 * integrate.c (output_inline_function): Call it.
1715 * c-decl.c (duplicate_decls): Call it when redefining an extern
1716 inline. Don't inline the new defn.
1718 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1720 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1722 * .gdbinit: Rename to gdbinit.in.
1723 * gdbinit.in: New file,
1724 * configure.in: Generate .gdbinit from gdbinit.in.
1725 * configure: Regenerated.
1726 * Makefile.in (distclean): Always remove .gdbinit.
1728 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1730 * objc/objc-act.c (start_class): Register implemented_classes with
1733 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1735 * cppfiles.c (_cpp_make_system_header): Generate a file
1738 2001-02-15 Jim Meyering <meyering@lucent.com>
1740 * Makefile.in (install-common): Don't depend on installdirs here.
1741 Instead, make each of the lang.install-common targets (e.g.,
1742 c++.install-common in cp/Make-lang.in) depend on it.
1743 (install-driver): Depend on installdirs.
1745 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1747 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1749 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1752 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1754 * invoke.texi (--param): Document.
1756 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1758 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1760 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1762 * i386.md (extendsfdf2_2): Fix constraints.
1764 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1766 * i386.md (fop_df_3 splitter): Fix operand number.
1768 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1770 * invoke.texi (-mreg-alloc): Nuke.
1771 * i386.c (ix86_reg_alloc_order, regs_allocated,
1772 order_regs_for_local_alloc): Nuke.
1773 (override_options): Kill reg_alloc code.
1774 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1775 (REG_ALLOC_ORDER): SSE goes before I387.
1776 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1777 (ix86_reg_alloc_order): Likewise.
1778 * i386-protos.h (ix86_reg_alloc_order): Kill.
1780 2001-02-14 Richard Henderson <rth@redhat.com>
1782 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1784 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1786 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1788 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1790 * i386-protos.h (ix86_memory_move_cost): Move offline.
1791 * i386.c (ix86_register_move_cost): Compute properly cost of
1792 SSE, MMX and i387 instructions.
1793 (*_cost): Add costs of SSE/MMX moves.
1794 (ix86_memory_move_cost): Move offline from ....; Likewise.
1795 * i386.h (MEMORY_MOVE_COST): .... here;
1796 (struct processor costs): Add new fields to represent costs
1799 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1801 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1802 move_cost together with Matt Kraai's fix.
1804 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1806 * Makefile.in (OBJS): Add params.o.
1808 2001-02-14 Richard Henderson <rth@redhat.com>
1809 DJ Delorie <dj@redhat.com>
1811 * jump.c (jump_optimize_1): When we delete a conditional jump
1812 preceeding a non-conditional jump to effectively the same place,
1813 make sure that the combined jump skips any clobber insns between
1816 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1818 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1820 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1822 * Makefile.in (toplev.o): Depend on params.h.
1823 (intergate.o): Likewise.
1824 (params.o): New target.
1825 * flags.h (inline_max_insns): Remove.
1826 * integrate.c: Include params.h.
1827 Use MAX_INLINE_INSNS instead of inline_max_insns.
1828 * params.c: New file.
1829 * params.h: Likewise.
1830 * params.def: Likewise.
1831 * toplev.c: Include params.h.
1832 (lang_independent_params): New variable.
1833 (decode_f_option): Use the param machinery instead of setting
1835 (independent_decode_option): Handle "--param name=value".
1836 (main): Register language-independent parameters.
1838 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1840 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1842 2001-02-14 Richard Henderson <rth@redhat.com>
1844 * regclass.c (init_reg_sets_1): Revert last two changes.
1846 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1848 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1849 (variable_size): Call put_pending_size.
1850 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1851 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1852 sizes list, put newly created SAVE_EXPR there as well.
1854 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1856 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1857 (errata_find_address_regs): load_group has only 2 entries.
1858 (errata_emit_nops): Likewise. shladd is not problematic.
1859 Clear last_group if nop was emitted.
1860 (fixup_errata): load_group has only 2 entries.
1863 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1865 * c-lex.c (lex_number): Only warn traditionally for U suffix
1866 outside system macros.
1867 * cppexp.c (parse_number): Similarly.
1868 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1869 * cppmacro.c (struct cpp_macro): New member node.
1870 (parse_args): Only warn about missing rest args if not
1872 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1873 (cpp_sys_objmacro_p): New.
1874 (_cpp_create_definition): Store the node with the macro defn.
1875 Remember if the macro is defined in a system header.
1877 2001-02-13 DJ Delorie <dj@redhat.com>
1879 * configure.in (check_languages): determine languages to check
1880 * Makefile.in (check-c++): alias for check-g++
1881 (check-f77): alias for check-g77
1882 (CHECK_TARGETS): depend on configured languages
1884 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1886 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1887 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1888 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1889 (sqrtextendsfdf2): Disable for SSE2.
1891 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1893 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1894 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1895 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1896 (sqrtextendsfdf2): Disable for SSE2.
1898 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1900 * i386.md (movsfcc_1): Support integer cmove instruction.
1901 (movdfcc_1): Likewise; new splitter.
1903 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1905 * i386.c (output_fp_compare): Support SSE.
1906 (prepare_fp_compare_args): SSE comparisons always support memory.
1907 * i386.h (TARGET_CMOVE): SSE imply cmove.
1908 * i386.md (cmp?f2): Enable for SSE too.
1909 (cmpfp_i*): Support SSE.
1911 (cmpfp_i_sse_only): New.
1912 (s*, b* fp expanters): Enable for SSE too.
1913 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1916 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1918 * regclass.c (init_reg_sets_1): Silence warning.
1920 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1922 * i386.md (sqrt?f2): Change to expander.
1923 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1925 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1927 * rtlanal.c (find_reg_equal_equiv_note): New function.
1928 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1929 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1930 * rtl.h: Add declarations for above functions.
1932 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1934 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1936 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1937 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1938 * flow.c (mark_regs_live_at_end): Likewise.
1939 (calculate_global_regs_live): Likewise.
1940 * gcse.c (compute_hash_table): Likewise.
1941 (compute_kill_rd): Likewise.
1942 * resource.c (mark_target_live_regs): Likewise.
1943 * rtl.h (INVALID_REGNUM): New macro.
1945 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1947 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1949 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1951 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1954 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1956 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1958 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1959 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1960 (fop_sf_1_sse, fop_df_1_sse): New patterns
1961 (fop_*): Disable float_extend and float patterns for SSE compilation.
1962 * i386.c (output_387_binary_op): Support SSE.
1964 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1966 * i386.md (dummy_extendsfdf2): Support SSE2
1967 (extendsfdf2): Enable if 80387 or SSE2.
1968 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1969 and no MIX_I387_SSE2
1970 (extendsfdf2_1_sse_only): New pattern.
1971 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1973 (truncdfsf2_1): Support SSE.
1974 (truncdfsf2_2): Support SSE.
1975 (truncdfsf2_2_1_sse): New pattern.
1976 (fixtruncsfsi2): Always use SSE if available.
1977 (fix_truncsfsi_sse): New pattern.
1978 (fix_truncdfsi_sse): New pattern.
1979 (floatsis?f2): Support SSE.
1980 (floatsidf2_i387): New pattern.
1981 (floatsidf2_sse): Likewise.
1983 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1985 * configure.in: Use "have_gnat" variable, not "gnat".
1986 * configure: Regenerated.
1988 * config/sparc/sparc.c (function_value): Treat all non-record
1989 aggregate types like used to treat UNION_TYPE.
1991 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1993 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1994 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1996 (MASK_MIX_SSE_I387): New.
1997 (TARGET_SSE): SSE2 imply SSE.
1998 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1999 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2000 (enum reg_class): Add new classes.
2001 (REG_CLASS_NAMES): Likewise.
2002 (REG_CLASS_CONTENTS): Likewise.
2003 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2004 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2005 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2006 (CLASS_MAX_NREGS): Use new macros.
2007 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2008 * i386.md (pushsf, movsf): Support SSE.
2009 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2010 splitters to use ANY_FP_REGNO_P.
2011 (movdf_nointeger, movdf_integer): Likewise.
2013 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2015 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2016 (try_combine): Use it.
2018 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2020 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2021 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2022 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2023 (REGISTER_MOVE_COST): Likewise.
2024 * i386-protos.h (ix86_secondary_memory_needed,
2025 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2026 * i386.c (ix86_secondary_memory_needed,
2027 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2029 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2031 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2032 (HARD_REGNO_MODE_OK): Move offline to ....
2033 * i386.c (ix86_hard_regno_mode_ok) ... here;
2034 refuse all incorrect modes.
2035 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2037 2001-02-13 Richard Henderson <rth@redhat.com>
2039 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2040 entire operator; replicate that and match_dup the operands.
2041 (cmp_ccx_arith_op_set): Likewise.
2042 (cmp_cc_arith_op_not_set): Likewise.
2043 (cmp_ccx_arith_op_not_set): Likewise.
2045 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2047 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2049 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2051 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2052 (TARGET_NO_BITFIELD_WORD): New macro.
2053 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2054 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2056 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2058 * cselib.c: New file, from simplify-rtx.c.
2059 * simplify-rtx.c: Remove cselib parts.
2060 * Makefile.in: Add cselib.o.
2062 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2064 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2065 (setup_incoming_varargs): Remove warning.
2067 * config/rs6000/rs6000.c (validate_condition_mode): When
2068 flag_fast_math, allow floating-point conditionals to be reversed.
2069 (rs6000_generate_compare): When flag_fast_math, don't generate
2070 cror operations for FP conditionals.
2072 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2074 (ASM_SPEC): Likewise.
2075 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2076 (CC1_SPEC): Likewise.
2077 (LINK_TARGET_SPEC): Likewise.
2078 (CPP_ENDIAN_SPEC): Likewise.
2079 * Makefile.in (check-consistency): New target.
2081 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2083 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2084 "return type defaults" warning for functions with return type
2086 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2087 function declarations by default rather than only when pedantic.
2089 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2091 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2094 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2096 * extend.texi (Deprecated): Deprecate new initializer lists.
2098 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2100 * mkdeps.c (deps_add_default_target): Robustify. Add
2101 basename component only.
2102 * cpp.texi (-M): Describe how default target is generated.
2103 * invoke.texi (-M): Likewise.
2105 2001-02-12 Kazu Hirata <kazu@hxi.com>
2107 * toplev.c (push_float_handler): Remove.
2108 (pop_float_handler): Remove.
2109 * toplev.h: Remove prototypes for the above functions.
2111 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2113 * c-common.c (constant_fits_type_p): New function.
2114 (convert_and_check): Use it.
2116 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2118 * Makefile.in (GXX_ABI_FLAG): Don't define.
2119 * configure.in (--enable-new-gxx-abi): Remove option.
2120 * config.in: Regenerated.
2121 * configure: Likewise.
2123 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2125 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2127 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2128 regular basic block, and arrange for all edges into it to switch
2131 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2133 * Makefile.in (distclean): Do not remove .gdbinit.
2135 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2137 * Makefile.in (gcc.o): Fix typos.
2138 (protize.o): Likewise.
2139 (unprotoize.o): Likewise.
2141 2001-02-11 Richard Henderson <rth@redhat.com>
2143 * tree.c (build1): Check for null operand in last change.
2145 2001-02-11 Richard Henderson <rth@redhat.com>
2147 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2148 (fold): Don't assume a constant isn't foldable.
2149 * tree.c (build): Set TREE_CONSTANT for an expression with no
2150 side-effects and constant operands.
2153 2001-02-10 Richard Henderson <rth@redhat.com>
2155 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2157 2001-02-10 Anthony Green <green@redhat.com>
2159 * cpp.texi (Standard Predefined): Add documentation for
2162 * c-common.c (combine_strings): Improve warning message.
2164 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2166 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2168 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2170 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2172 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2175 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2177 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2180 2001-02-09 Nick Clifton <nickc@redhat.com>
2182 * config/arm/arm.md: Change output contraint on post inc
2183 load/store multiple patterns to be a read/write contraint.
2185 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2187 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2188 .o files when using the -M options.
2190 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2191 David Edelsohn <edelsohn@gnu.org>
2193 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2194 handle DImode constants. Use one TOC entry for SImode and smaller
2195 constants, aligned properly.
2197 2001-02-08 Jason Merrill <jason@redhat.com>
2199 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2200 about the SP adjustment for saving the static chain pointer.
2201 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2202 offset when setting a temporary CFA register.
2204 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2206 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2207 powerpc-*-chorusos* .
2208 * config/rs6000/chorus.h : New file.
2209 * config/i386/chorus.h : New file.
2210 * config/sparc/chorus.h : New file.
2211 * config/sparc/t-chorus-elf : New file.
2213 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2215 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2216 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2217 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2218 (__WCHAR_TYPE__): Correct macro name.
2220 2001-02-08 Richard Henderson <rth@redhat.com>
2222 * config/i386/i386.c (ix86_frame_pointer_required): New.
2223 (ix86_setup_frame_addresses): New.
2224 (struct machine_funciton): Add accesses_prev_frame.
2225 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2226 ix86_frame_pointer_required.
2227 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2228 (SETUP_FRAME_ADDRESSES): New.
2229 * config/i386/i386-protos.h: Update.
2230 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2231 from FRAME_POINTER_REQUIRED.
2232 * config/i386/svr3gas.h: Likewise.
2233 * config/i386/sysv3.h: Likewise.
2234 * config/i386/v3gas.h: Likewise.
2236 2001-02-08 Richard Henderson <rth@redhat.com>
2238 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2239 calculation of the number of integer registers required.
2240 (function_arg_record_value): Likewise.
2242 2001-02-08 Jason Merrill <jason@redhat.com>
2244 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2245 two. Print file and line with "confused" message.
2247 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2249 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2251 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2253 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2255 * final.c (cleanup_subreg_operands): The address of a MEM can
2258 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2261 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2263 * gcc.texi (Incompatibilities): Update documentation of
2264 preprocessing numbers.
2266 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2268 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2270 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2272 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2274 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2275 * gcc.c (struct compiler): Add cpp_spec field.
2276 (input_file_compiler): New variable.
2277 (do_spec_1): Allow a particular compiler to handle `%C'
2279 (main): Store the current compiler in input_file_compiler.
2280 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2282 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2284 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2285 * cppinit.c (cpp_create_reader): Initialize them.
2286 (append_include_chain): cxx_aware arg might be unused.
2287 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2288 keywords and give them their phase 7 meaning. Pedwarn about
2289 this unless '__bool_true_false_are_defined' is defined.
2291 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2293 * lcm.c (optimize_mode_switching): Emit mode_set before the
2294 JUMP_INSN of an abnormal edge.
2296 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2298 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2299 a scheduling barrier at the end.
2301 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2303 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2305 * config/sh/sh.md (reload_outsf): Removed.
2306 (movsf_ie): Introduce constraints for FPUL loads and stores.
2307 (reload_insf): Broaden the output constraint.
2309 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2311 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2312 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2314 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2316 * final.c: Revert my previous changes.
2317 * output.h: Make profile_label_no extern.
2318 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2319 for generating label.
2321 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2323 * config/i386/djgpp.h: Add comments about standard paths.
2324 (MD_EXEC_PREFIX): Undefine before defining.
2325 (MD_STARTFILE_PREFIX): New.
2327 2001-01-30 Bruce Korb <bkorb@gnu.org>
2329 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2330 (load_file): do not rely on load_file_data() to close file pointer
2331 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2332 fixinc/inclhack.def(irix_limits_const): add test_text
2334 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2336 * cppexp.c (parse_defined): Improve diagnostics for invalid
2339 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2341 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2343 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2345 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2346 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2347 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2348 (rs6000_output_symbol_ref): New function.
2349 (output_toc): Use VTABLE_NAME_P.
2351 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2353 * print-tree.c (print_node, case PARM_DECL):
2354 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2356 * stor-layout.c (reference_types_internal): New variable.
2357 (internal_reference_types): New function.
2358 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2359 * tree.h (internal_reference_types): New declaration.
2361 * cse.c (find_best_addr): Fix typo in computing cost.
2363 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2365 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2366 and this is the sum of a pointer and a constant, we know the result
2368 (num_sign_bit_copies, case PLUS): Likewise.
2369 * explow.c (convert_memory_address): Remove opposite SUBREG.
2370 * function.c (instantiate_new_reg): New function (from common code).
2371 (instantiate_virtual_regs_1): Call it.
2372 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2373 if pointers sign- or zero-extend.
2374 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2375 If pointers extend unsigned, use inside of SUBREG.
2376 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2378 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2380 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2381 subdir of gcc_gxx_include_dir.
2382 (gcc_gxx_target_include_dir): Remove.
2384 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2386 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2387 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2388 a high-level description.
2390 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2392 * final.c: Move the declaration of profile_label_no to ...
2393 * output.h: ... here.
2394 * function.c (expand_function_start): Call PROFILE_HOOK.
2395 * config/rs6000/aix.h: Define PROFILE_HOOK.
2396 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2397 * config/rs6000/rs6000.c (output_profile_hook): Define.
2398 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2399 output_profile_hook.
2400 tm.texi : Explain new macro PROFILE_HOOK.
2402 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2404 * extend.texi (Extended Asm): Do not say that semicolon is always
2405 a valid line-breaking character for GNU assemblers. Use
2406 newline-tab as the most commonly supported syntax. Use
2407 newline-tab rather than semicolon in multi-insn examples.
2409 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2411 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2413 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2414 David Edelsohn <edelsohn@gnu.org>
2416 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2417 code for AIX, even without flag_pic.
2419 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2421 * c-typeck.c (common_type): push and pop binding level around
2422 calling common_type on function parameters.
2424 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2426 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2428 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2430 * config/mips/mips.c (override_options): Fix typo in last change.
2431 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2432 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2434 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2436 * invoke.texi (-fdump-class-layout): Document.
2437 (-fdump-translation-unit): Use `=' as filename separator.
2439 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2441 * Makefile.in (s-mlib): Don't build multilibs if
2443 (DRIVER_DEFINES): Adjust accordingly.
2445 (protoize.o): Likewise.
2446 (unprotoize.o): Likewise.
2447 * configure.in: Recognize --enable-multilib.
2449 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2451 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2453 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2454 * configure.in: Remove --enable-libstdcxx_v3 support.
2455 * configure: Regenerated.
2457 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2459 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2460 Call abort instead of fatal.
2461 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2462 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2463 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2464 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2465 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2466 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2468 * diagnostic.h (set_internal_error_function): Renamed.
2469 * toplev.h (internal_error): Renamed from fatal.
2470 (pfatal_with_name): Deleted.
2471 (fatal_io_error): Now has printf-style arguments.
2472 * diagnostic.c (pfatal_with_name): Deleted.
2473 (fatal_io_error): Rework to have args in printf-style.
2474 (set_internal_error_function): Renamed from set_fatal_function.
2475 (internal_error): Renamed from fatal.
2476 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2477 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2478 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2479 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2480 * flow.c (verify_flow_info): Likewise.
2481 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2482 * config/mips/mips.c (save_restore_insns): Likewise.
2484 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2485 * flow.c (verify_flow_info): Likewise.
2486 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2487 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2488 (avr_normalize_condition): Likewise.
2489 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2490 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2491 (limit_reload_class, double_reg_to_memory): Likewise.
2492 (print_operand_address, emit_1600_code_shift): Likewise.
2493 (gen_tst_reg, gen_compare_reg): Likewise.
2494 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2495 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2497 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2499 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2500 * objc/objc-act.c (build_ivar_chain): Likewise.
2501 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2503 * graph.c (clean_graph_dump_file): Likewise.
2504 * profile.c (init_branch_prob): Likewise.
2505 * objc/objc-act.c (objc_init): Likewise.
2507 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2508 * config/avr/avr.c (avr_override_options): Likewise.
2509 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2510 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2511 * config/h8300/h8300.c (h8300_init_once): Likewise.
2512 * config/mips/mips.c (override_options): Likewise.
2513 * config/i386/i386.c (override_options): Likewise, rework.
2514 * config/m68k/m68k.c (override_options): Likewise.
2516 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2518 * config/mips/mips.c (print_operand): Likewise.
2519 * hash.c (hash_allocate): Don't check for failure returns from
2520 obstack functions that can't fail.
2521 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2522 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2523 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2524 (get_object_reference): Likewise.
2526 2001-02-04 Nick Clifton <nickc@redhat.com>
2528 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2529 StrongARM1110, 10TDMI, and 1020T.
2531 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2533 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2535 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2537 * config/sh/sh.md (movdf load split): Pass register number to
2538 FP_OR_XD_REGISTER_P.
2540 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2542 * cppinit.c (BC): New macro.
2543 (builtin_array): Add __GXX_WEAK__.
2544 * cpplib.h (builtin_type): Add BT_WEAK.
2545 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2546 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2547 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2549 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2551 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2553 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2555 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2556 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2558 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2560 * cpphash.h: Rename ALIGN _ALIGN.
2561 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2563 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2565 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2566 compilation environment.
2567 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2568 control over location of cygwin includes and libs.
2570 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2572 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2574 2001-02-02 lars brinkhoff <lars@nocrew.org>
2576 * md.texi (Standard Names): remove reference to spur.md.
2578 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2580 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2581 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2582 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2583 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2584 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2586 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2588 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2589 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2590 number before reload.
2591 (c4x_adjust_cost): Return zero before reload.
2592 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2593 split before reload.
2595 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2597 * c4x.c (c4x_hard_regno_rename_ok): New.
2598 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2599 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2601 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2603 * diagnostic.h: Add missing "extern" in all declarations.
2605 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2607 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2608 as for gcc_gxx_include_dir.
2610 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2612 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2614 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2616 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2617 label before alignment to be used as the braf base address.
2618 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2620 (casesi_jump_2): Require at least TARGET_SH2.
2622 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2623 truncation to 32-bit doubles on -m3e and -m4-single-only.
2625 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2627 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2628 the default when building a shared object.
2629 (init_spec): Use it.
2630 * testsuite/lib/g++.exp: Include the directory where libgcc
2631 is located to the LD_LIBRARY_PATH list.
2632 * invoke.texi (-shared-libgcc): Document the cases in which
2633 GCC defaults to using the shared libgcc.
2635 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2637 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2638 unsigned is wide enough.
2640 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2641 (si_to_float): Likewise.
2642 (float_to_si, float_to_usi): Use BITS_PER_SI.
2644 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2646 * dwarf2out.c: Added explanation of abbreviations.
2647 (def_cfa_1): Added comments listing DWARF2 instructions.
2648 (cfa_temp_reg): Removed in favor of cfa_temp.
2649 (cfa_temp_value): Removed in favor of cfa_temp.
2650 (cfa_temp): New global variable.
2651 (dwarf2out_frame_debug_expr): Added extensive introductory
2652 comments explaining the function's transformations. Revised to
2653 use cfa_temp. Added some rtx checking. Generalize IOR case.
2654 (dwarf2out_frame_debug): Revised to use cfa_temp.
2655 (output_aranges): Cast as "unsigned" to avoid warning.
2656 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2657 explain which instructions must be marked.
2659 2001-02-01 Richard Henderson <rth@redhat.com>
2661 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2664 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2666 * config/sh/crt1.asm (main_k): Modified so that start calls
2667 ___setup_argv_and_call_main.
2669 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2671 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2672 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2673 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2674 * cppmacro.c (builtin_macro): Set builtin flags here.
2675 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2676 (replace_args): Clarify intent.
2677 (cpp_get_token): Macro expansion tokens get the saved flags.
2679 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2682 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2684 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2687 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2689 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2690 returns Pmode pseudo, but we need ptr_mode.
2691 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2692 Remove bogus conversions; use HOST_WIDE_INT for size.
2693 Don't use TARGET if wrong mode.
2695 * config/i386/i386.c (ix86_compute_frame_size): Allow
2696 stack_alignment_needed to be non-default even if size is zero.
2698 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2700 * (hppa_init_pic_save): Emit the pic offset table
2701 reg save after last_parm_insn.
2702 * pa.c (hppa_init_pic_save): New function.
2703 * pa.h (hppa_init_pic_save): Declare.
2704 * pa.md (call, call_value, sibcall, sibcall_value): Use
2705 the above instead of duplicated code.
2707 * pa.c (hppa_encode_label): Correct size of alloca buffer
2708 so we don't overrun it. Correct leading `*' case.
2709 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2710 need to handle `*@'.
2711 (FUNCTION_NAME_P): Likewise.
2713 2001-01-31 Richard Henderson <rth@redhat.com>
2715 * config.gcc (alpha-osf5): Use float-i128.h.
2717 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2718 * config/float-i32.h: Likewise.
2719 * config/float-i64.h: Likewise.
2720 * config/float-sh.h: Likewise.
2721 * config/float-sparc.h: Likewise.
2723 2001-01-31 DJ Delorie <dj@redhat.com>
2725 * expmed.c (extract_bit_field): allow non-integral modes if we
2726 want to extract a whole register from itself.
2728 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2730 * c-typeck.c (set_init_index): If first is equal to last, assume as
2731 if it was not a range at all.
2733 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2735 * config/fp-bit.c: Include tm.h.
2736 (float_to_si): Don't assume SImode is 32-bits wide.
2737 (float_to_usi): Likewise.
2739 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2741 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2743 (typename): Call pending_xref_error after parsing typed_typespecs.
2744 * c-decl.c (lookup_tag): Give error immediately rather than
2745 leaving it pending if the tag of the wrong type is in the same
2747 (xref_tag): Don't pedwarn for forward declarations of enum types
2749 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2752 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2754 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2756 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2758 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2759 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2761 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2763 * cpphash.h (struct cpp_reader): New saved_flags.
2764 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2765 to avoid a paste after a pasted token.
2767 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2769 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2770 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2771 Wtype_MIN instead of LONG_MIN.
2773 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2775 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2777 * fixinc/fixincl.x: Regenerated.
2778 * fixinc/inclhack.def (irix_limits_const): New definition to
2779 convert "const" to "__const" in limits.h.
2781 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2783 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2785 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2787 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2788 when register dies in the insn.
2790 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2792 * diagnostic.c (fatal): Fix word wrap.
2794 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2796 * combine.c (try_combine): Fix SUBREG setting for
2797 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2799 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2801 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2804 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2806 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2808 * toplev.c (decode_W_option): Update warn_larger_than
2809 unconditionally for each processed switch.
2811 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2813 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2815 (hppa_expand_prologue): Delete code to save pic offset table register
2816 in the function prologue.
2817 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2818 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2819 table register at the beginning of the function after the prologue.
2821 2001-01-29 lars brinkhoff <lars@nocrew.org>
2823 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2825 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2826 Jeff Law <law@redhat.com>
2828 * pa.md (return): Revise comment for trivial return.
2829 (return_internal): Non-trivial return pattern for non-PIC code.
2830 (return_internal_pic): Non-trivial return pattern for PIC code.
2831 It uses the PIC register to ensure it is restored after
2833 (epilogue): Generate appropriate return for PIC and non-PIC code.
2835 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2837 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2839 2001-01-29 DJ Delorie <dj@redhat.com>
2841 * combine.c (if_then_else_cond): Pass the correct mode to
2842 operand_subword() for constants.
2844 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2846 * config/i386/cygwin.h: Add w32api to include search. Search different
2847 directories in a cross-build environment.
2849 2001-11-29 Tim Josling <tej@melbpc.org.au>
2851 * tree.h (TYPE_STUB_DECL): Add documentation.
2853 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2855 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2856 (sdbout_field_types): Likwise. Fix use of host_integerp.
2858 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2860 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2863 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2865 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2866 to use flag_gnu_linker.
2868 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2870 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2871 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2873 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2875 * tree.c, tree.h (build_parse_node): Remove; was identical to
2877 * c-lang.c (start_cdtor), objc/objc-act.c
2878 (build_module_descriptor): Use build_nt instead of
2881 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2883 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2884 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2885 not have any upper bits set.
2887 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2889 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2891 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2893 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2895 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2897 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2898 (integer_minus_one_node): Define.
2900 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2902 * Makefile.in (bootstrap2-lean): Fix typo.
2904 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2906 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2907 : Don't set fe_value.
2908 * cpplib.h (AVOID_LPASTE): New flag.
2909 (struct cpp_hashnode): Remove fe_value.
2910 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2911 * cppmacro.c (builtin_macro): Don't set flags here.
2912 (replace_args): Set AVOID_LPASTE flag on first token of an
2913 argument, and the token following it.
2914 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2915 macro expansion, and on the token following it. Do it for
2917 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2919 2001-01-27 Richard Henderson <rth@redhat.com>
2921 * config/alpha/t-ieee: Remove multilibbing.
2922 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2924 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2926 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2928 * Makefile.in: Remove all dependencies on defaults.h.
2929 * builtins.c: Don't include defaults.h.
2930 * c-common.c: Likewise.
2931 * c-decl.c: Likewise.
2932 * c-pragma.c: Likewise.
2933 * c-typeck.c: Likewise.
2934 * combine.c: Likewise.
2936 * frame-ia64.c: Likewise.
2937 * cppexp.c: Likewise.
2938 * crtstuff.c: Likewise.
2939 * dbxout.c: Likewise.
2940 * dwarf2out.c: Likewise.
2941 * dwarfout.c: Likewise.
2942 * emit-rtl.c: Likewise.
2943 * except.c: Likewise.
2945 * final.c: Likewise.
2946 * frame-dwarf2.c: Likewise.
2947 * libgcc2.c: Likewise.
2948 * optabs.c: Likewise.
2949 * profile.c: Likewise.
2950 * sdbout.c: Likewise.
2951 * toplev.c: Likewise.
2952 * tradcif.y: Likewise.
2954 * varasm.c: Likewise.
2956 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2958 * builtins.c (expand_builtin_fputs): Use size_one_node when
2959 transforming into fwrite.
2961 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2963 * extend.texi (Attribute Syntax): New section.
2965 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2967 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2968 they didn't need fixing.
2970 2001-01-27 Janis Johnson <janis@us.ibm.com>
2972 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2974 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2975 to remove macro definitions that are duplicated from elfos.h.
2977 2001-01-27 Richard Henderson <rth@redhat.com>
2979 * config/i386/sco5gas.h: Move ...
2980 * config/usegas.h: ... here.
2981 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2983 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2985 * c-typeck.c (struct constructor_stack): Add range_stack member.
2986 (really_start_incremental_init): Clear it.
2987 (push_init_level): Save constructor_range_stack and clear it if
2988 pushing explicit braces.
2989 (pop_init_level): abort if constructor_range_stack is non-zero at
2990 explicit closing brace. Restore saved constructor_range_stack if
2993 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2995 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2996 into register was forced into memory.
2998 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3000 * Makefile.in: Remove uses of + before $(MAKE).
3002 2001-01-26 Richard Henderson <rth@redhat.com>
3004 * stmt.c (cost_table): Remove.
3005 (COST_TABLE, cost_table_initialized): New.
3006 (estimate_case_costs): Use the later instead of the former.
3007 (balance_case_nodes): Likewise.
3009 2001-01-26 Richard Henderson <rth@redhat.com>
3011 * alias.c (objects_must_conflict_p): Read-only slots may not
3012 conflict despite having the same type.
3014 2001-01-27 Michael Hayes <mhayes@redhat.com>
3016 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3018 (check_ext_dependant_givs): Initialise u_start_val and
3020 (load_mems): Make last_max_reg unsigned.
3021 (try_swap_copy_prop): Use INSN_P and initialise set.
3023 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3025 * README.AVR : Removed.
3027 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3029 * pa-64.h (text_section): Remove declaration.
3031 * pa.md (return_internal): Remove mode on PIC register use.
3033 2001-01-25 lars brinkhoff <lars@nocrew.org>
3035 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3036 ASM_CLOSE_PAREN): fix typos.
3038 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3040 * acconfig.h: Define `const' to the empty string if neither
3041 __STDC__ nor __cplusplus is defined.
3042 * config.in: Regenerated.
3044 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3046 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3047 * collect2.c (main): Delete importf. Add ".obj" file extension.
3048 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3049 (aix_std_libs): Add additional AIX libraries to skip.
3050 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3051 * config/rs6000/aix51.h: New file.
3053 2001-01-25 Michael Hayes <mhayes@redhat.com>
3055 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3056 (loop_insn_emit_before): No longer static.
3057 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3058 (loop_givs_rescan, load_mems): Likewise.
3059 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3060 (maybe_eliminate_biv_1):
3061 (move_movables): Replace emit_call_insn_before with
3062 loop_call_insn_hoist.
3063 * loop.h (loop_insn_emit_before): Add.
3064 * unroll.c (copy_loop_body): Replace emit_insn_before with
3065 loop_insn_emit_before.
3067 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3069 * diagnostic.c (fatal): Request preprocessed source.
3071 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3073 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3074 olddecl has argument types and newdecl has none, use the argument
3077 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3079 * dwarf2out.c (prefix_of): New function. Determine longest common
3080 prefix of the two arguments. The units are whole path components.
3081 (output_file_names): When adding a new directory find the one entry
3082 with the longest common prefix already in the list. Artificially
3083 generate entry if there is none for this prefix.
3084 Fix test to check whether the zeroth directory entry is used.
3086 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3088 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3089 Changed all callers. Take it into account when deciding if a
3090 previously loaded value matches.
3092 2001-01-24 Richard Henderson <rth@redhat.com>
3094 * reload.c (find_reloads_subreg_address): Fail the substitution
3095 if the resulting address is insufficiently aligned.
3097 2001-01-24 DJ Delorie <dj@redhat.com>
3099 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3100 check the original operand's mode also.
3101 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3103 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3105 * c-parse.in (cast_expr): Move compound literals from here ...
3106 (primary): ... to here. Use standard terminology "compound
3107 literal" instead of "constructor expression".
3109 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3111 * gcc.1, cpp.1: Regenerate.
3113 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3115 * calls.c (emit_library_call_value_1): Memory slot for
3116 pass-by-reference argument should have the mode of the argument,
3117 not of the pointer to it.
3119 2001-01-24 Tom Tromey <tromey@redhat.com>
3121 * gcc.texi (G++ and GCC): Mention gcj manual.
3122 (Standards): Link to section of manual mentioning gcj/Java
3125 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3127 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3128 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3129 * tradcpp.c (main): Add -imacros or -include'd dependencies
3131 * cpp.texi (-M, -MM): Document -M -include behaviour.
3133 2001-01-24 Roger Collins <roger@ProProject.com>
3135 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3137 2001-01-24 Will Cohen <wcohen@redhat.com>
3139 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3140 whether registers are 32 bits or 64 bits in size.
3142 2001-01-24 Ben Elliston <bje@redhat.com>
3144 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3146 2001-01-24 Richard Henderson <rth@redhat.com>
3148 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3149 (builtin_longjmp): Use it instead of emit_indirect_jump.
3151 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3153 * bb-reorder.c (make_reorder_chain_1): Handle case where
3154 jump edge goes to the same block as the fallthru edge.
3156 2001-01-23 Jim Wilson <wilson@redhat.com>
3158 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3159 * frame.h (__ia64_personality_v1): Add prototype.
3160 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3161 prototype form. Add void * cast to first argument to personality
3163 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3164 (asctoe113): Likewise.
3165 * config/ia64/frame-ia64.c: Include eh-common.h.
3166 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3168 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3170 (itanium_split_issue): Add prototype.
3171 (gen_nop_type): Ifdef out.
3172 (find_best_packet): Initialize best_packet.
3173 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3175 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3176 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3177 (flushrs): Add explicit stop bit at end.
3178 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3181 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3183 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3185 * libgcc2.c (__terminate_func): Make variable static.
3186 (__terminate_set_func): New function to set __terminate_func.
3187 * libgcc2.h (__terminate_func_ptr): New typedef.
3188 (__terminate_set_func): New function.
3190 2001-01-23 Richard Henderson <rth@redhat.com>
3192 * flow.c (init_propagate_block_info): Don't consider unchanging
3193 memories for dead frame store elimination.
3195 2001-01-23 Richard Henderson <rth@redhat.com>
3197 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3198 * defaults.h: ... here.
3200 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3202 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3204 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3206 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3208 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3210 * rs6000.h (rs6000_return_addr): Move prototype from here...
3211 * rs6000-protos.h (rs6000_return_addr): ...to here.
3212 (rs6000_init_expanders): Delete prototype.
3214 2001-01-23 Nick Clifton <nickc@redhat.com>
3216 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3217 (Spec Files): Document %B and %j and %. and %v3 and %M and
3218 %{S*&T} spec switches.
3220 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3222 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3224 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3225 Neil Booth <neil@daikokuya.demon.co.uk>
3227 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3228 Have -Werror make pedantic warnings errors, like the
3231 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3233 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3235 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3237 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3238 * integrate.c (expand_inline_function): Initialize them.
3239 (subst_constants): If changing COMPARE so that both its arguments
3240 will be VOIDmode and the comparison mode will be lost, note
3241 compare_mode. Use the recorded compare_mode to optimize
3244 2001-01-23 Jason Merrill <jason@redhat.com>
3246 * dwarf2out.c (new_die): Use xcalloc.
3247 (output_die): Abort rather than emit a local reference to offset 0.
3249 2001-01-17 Andrew Haley <aph@redhat.com>
3251 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3252 of a saved register; return NULL instead.
3253 (copy_reg): Take a pointer to a source register rather than a
3255 (next_stack_level): Remember the address in the stack frame of all
3257 Use the saved register pointer array as the source of the CFA.
3258 (throw_helper): Rewrite. Unwind once rather than twice and keep
3259 track of saved registers as we go.
3261 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3263 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3264 * c4x.c (c4x_legitimize_reload_address): Remove.
3265 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3266 reload address for ldp(k) insn.
3268 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3270 * pa.md (return_internal): Add a USE of the PIC register to ensure
3271 it is restored after each call.
3272 (return expander): Corresponding changes.
3274 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3276 * rs6000.h (INIT_EXPANDERS): Delete.
3277 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3278 * rs6000.c (rs6000_override_options): Call *_machine_status from
3280 (rs6000_init_expanders): ...instead of here. Delete.
3281 (rs6000_mark_machine_status): New function.
3282 (rs6000_init_machine_status): Use xcalloc.
3283 (rs6000_return_addr): Generate RTX for the return address.
3284 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3285 (rs6000_stack_info): Use it.
3287 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3289 * gthr-win32.h: Include errno.h to get a declaration for
3290 EINVAL and _mingw.h if the target is mingw32.
3292 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3294 * cpp.texi: Correct typos.
3296 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3298 * explow.c (probe_stack_range): Ensure value passed to
3299 stack_check_libfunc is ptr_mode, not Pmode.
3301 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3303 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3304 case, don't use operand_subword to calculate a SUBREG that is
3307 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3309 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3311 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3312 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3313 valid. If not replace it by equivalent insns.
3315 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3317 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3318 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3319 (c4x_U_constraint, symbolic_address_operand): Likewise.
3320 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3322 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3323 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3324 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3325 anulling slot because of silicon bug.
3326 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3328 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3330 * cppexp.c (parse_charconst): Change `mask' type to agree
3333 2001-01-21 Richard Henderson <rth@redhat.com>
3335 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3336 pic_label_name in a linkonce section.
3338 2001-01-17 Philipp Thomas <pthomas@suse.de>
3340 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3342 * configure: Regenerate.
3344 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3346 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3347 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3349 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3351 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3352 If REVERSE nonzero then condition code in X must be reversed.
3353 (encode_section_info): Optimise if/else.
3354 (avr_function_value): Fix formatting.
3356 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3357 (difficult_branch): Likewise.
3358 (rvbranch): Likewise.
3359 (difficult_rvbranch): Likewise.
3361 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3363 * config/avr/libgcc.S: Fix comment.
3365 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3367 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3369 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3371 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3373 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3375 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3376 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3377 * configure, config.in: Regenerate.
3378 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3379 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3380 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3381 (doprint.o): New rule.
3383 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3385 * c-typeck.c (digest_init): Handle boolean types as scalars.
3387 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3389 * stmt.c (expand_return): Don't return anything if size is zero.
3390 Delete redundant assignment to BYTES.
3391 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3393 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3395 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3396 the same as the default library function names.
3397 * config/avr/avr.md: Document special characters after '%'.
3398 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3399 knowing which of the call-used registers are really clobbered.
3400 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3401 New. Both quotient and remainder from one libgcc.S call.
3402 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3403 clobber as few registers as possible.
3404 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3406 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3408 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3409 context of the top of the stack.
3411 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3413 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3414 (fixup_var_refs_insns): ...here.
3416 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3418 * function.c (fixup_var_refs_insns): Break up into
3419 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3420 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3421 [loop over hash table entries].
3422 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3423 fixup_var_refs_insns_with_hash, to match above changes.
3425 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3427 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3428 (libgcc.a): Likewise.
3429 (stmp-multilib): Likewise.
3430 (STAGE2_FLAGS_TO_PASS): Likewise.
3432 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3434 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3435 temporary if no_new_pseudos.
3437 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3439 * cppinternals.texi: Update.
3441 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3443 * arm.c (arm_init_builtins): Re-enable builtins.
3445 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3447 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3448 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3449 element to be null, and always expect an EXPR_LIST.
3450 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3451 * sched-deps.c (sched_analyze_1): Likewise.
3452 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3454 * regclass.c (max_set_parallel): New variable.
3455 (reg_scan): Take it into account in computation of max_parallel.
3456 (reg_scan_mark_refs, case SET): Compute it.
3458 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3460 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3461 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3463 2001-01-19 Jason Merrill <jason@redhat.com>
3465 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3466 for the abstract instance of an inline function.
3468 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3469 J"orn Rennecke <amylaar@redhat.com>
3471 * reload1.c (move2add_note_store): Treat all registers directly or
3472 indirectly derived from a base register as members of the same set
3474 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3475 of base register into account.
3477 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3479 * alias.c (find_base_value): Recognize TRUNCATE.
3480 (record_set): In PLUS case, invalidate if other summand is also a
3483 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3485 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3486 entry to be EXPR_LIST.
3487 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3488 be an EXPR_LIST (but not null, which other code doesn't allow).
3489 (note_stores): Properly handle PARALLEL in SET.
3490 Recursively call for top-level PARALLEL.
3491 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3492 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3494 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3496 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3498 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3499 not pfile->skipping (== 0).
3501 2001-01-17 Nick Clifton <nickc@redhat.com>
3503 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3506 2001-01-17 Jim Wilson <wilson@redhat.com>
3508 * invoke.texi (IA-64 options): Improve.
3510 2001-01-17 Tom Tromey <tromey@redhat.com>
3512 * invoke.texi (Optimize Options): Use `{}' to around @samp
3515 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3517 * invoke.texi (-fno-guess-branch-probability): New option.
3519 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3521 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3522 case of making new double-word constant.
3523 Revert last change: instead just test i3_subst_into_i2.
3525 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3527 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3528 Use q constraints instead of r.
3530 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3532 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3533 (machine_function): Define.
3534 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3535 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3536 pa_free_machine_status): New functions.
3537 (override_options): Set {init,mark,free}_machine_status to above.
3538 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3539 PIC_OFFSET_TABLE_REGNUM_SAVED.
3540 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3541 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3542 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3543 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3544 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3546 2001-01-15 DJ Delorie <dj@redhat.com>
3548 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3552 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3554 * flow.c (propagate_on_insn): Make trying to delete a prologue
3555 or epilogue insn an ICE, not a warning. Allow doing this if
3556 the current function returns with stack pointer depressed.
3558 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3559 I3 having more than one SET.
3561 2001-01-16 Jim Wilson <wilson@redhat.com>
3563 * invoke.texi: Document IA-64 options.
3565 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3566 (fixup_errata): Delete TARGET_A_STEP use.
3567 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3568 (TARGET_SWITCHES): Delete -ma-step option.
3569 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3570 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3571 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3572 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3573 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3574 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3576 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3577 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3578 cmovsi_internal): Delete ! TARGET_A_STEP check.
3580 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3582 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3583 possibility to report bugs via postal mail. Change a URL and
3584 merge in a nearly duplicate statement...
3585 (Bug Reporting): ...from here.
3586 (Service): Refer to the Bug Reporting section instead of
3588 (Contributing): Remove trivial explanations concerning snapshots.
3590 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3592 * cppmain.c (general_init): Don't use ANSI prototype.
3594 2001-01-16 Tom Tromey <tromey@redhat.com>
3596 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3598 2001-01-16 Richard Henderson <rth@redhat.com>
3600 * config/i386/i386.h: Fix comment typo.
3601 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3602 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3604 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3606 * gcc.c: Revert previous -fsyntax-only-related change; move
3609 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3611 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3612 inmode after checking GET_CODE (op).
3614 2001-01-16 Richard Henderson <rth@redhat.com>
3616 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3617 (MAX_MEM_SET_LIST_LEN): New.
3618 (propagate_one_insn): Update mem_set_list_len.
3619 (invalidate_mems_from_autoinc): Likewise.
3620 (invalidate_mems_from_set): Likewise.
3621 (mark_used_regs): Likewise.
3622 (init_propagate_block_info): Likewise. Stop collecting memories
3623 when we reach MAX_MEM_SET_LIST_LEN.
3624 (mark_set_1): Likewise.
3626 2001-01-16 Richard Henderson <rth@redhat.com>
3628 * unroll.c (precondition_loop_p): Fail if no iteration
3631 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3633 * gcc.c: When -fsyntax-only is given, do not complain about
3636 2001-01-15 Richard Henderson <rth@redhat.com>
3638 * config/i386/i386.c (asm_output_function_prefix): Remove.
3639 (ix86_asm_file_end): New.
3640 (load_pic_register): Generate pic_label_name into a
3641 staticly allocated buffer.
3642 * config/i386/i386-protos.h: Update.
3643 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3644 (ASM_FILE_END): New.
3645 * config/i386/i386afe.h: New file.
3646 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3647 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3648 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3649 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3650 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3651 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3652 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3654 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3656 * Makefile.in (install-man): Remove explicit dependency on
3659 * configure.in, configure: Revert previous patch requiring perl
3662 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3664 * toplev.c (flag_guess_branch_prob): New.
3665 (f_options): Add guess-branch-probability option.
3666 (rest_of_decl_compilation): Only estimate branch probability if
3668 (main): set flag_guess_branch_prob.
3670 * flags.h (flag_guess_branch_prob): New.
3672 2001-01-15 DJ Delorie <dj@redhat.com>
3674 * gcc.texi (Makefile): Add documentation for Makefile targets.
3676 2001-01-15 Philip Blundell <philb@gnu.org>
3678 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3680 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3681 (is_pic): Delete declaration.
3682 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3683 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3684 * config/arm/arm.md (builtin_setjmp_receiver): New.
3686 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3688 * arm.c (use_return_insn): Don't try to determine the function type
3689 until after reload has completed.
3690 (arm_output_epilogue): Don't adjust the sp value recovered from the
3692 (emit_multi_reg_push): Don't record dwarf information for the pc.
3693 * arm.md (eh_epilogue): The function type may have changed, so it
3694 needs to be recalculated.
3695 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3696 unwind tables on arm/netbsd.
3698 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3700 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3701 (negated_cbranchsi4): Likewise.
3703 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3705 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3706 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3707 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3708 pass -mapcs-* options to assembler.
3709 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3710 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3711 (ASM_SPEC): Call subtarget_extra_asm_spec.
3713 2001-01-15 Andreas Jaeger <aj@suse.de>
3715 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3717 (ix86_expand_builtin): Likewise.
3719 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3720 warning about comparison between signed and unsigned.
3722 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3724 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3726 2001-01-14 Ralf Baechle <ralf@gnu.org>
3728 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3729 SUBTARGET_CPP_SPEC apropriatly.
3731 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3733 * varasm.c (make_decl_rtl): Fix typo in last change.
3735 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3737 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3738 linker supports the init_priority C++ attribute.
3739 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3740 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3741 linker does not support init_priority C++ attribute.
3743 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3745 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3747 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3749 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3750 * cp/lex.c (finish_parse): Similarly.
3751 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3752 Return the number of errors encountered.
3753 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3754 * cppmain.c (main): Don't call cpp_destroy.
3756 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3758 * configure.in: Require at least perl 5.6.0 to regenerate
3760 * configure: Regenerate.
3762 2001-01-14 Richard Henderson <rth@redhat.com>
3764 * genrecog.c (DT_veclen_ge): New.
3765 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3766 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3767 (nodes_identical_1): Handle DT_veclen_ge.
3768 (write_cond, debug_decision_2): Likewise.
3770 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3772 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3774 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3776 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3778 * cppmain.c (do_preprocessing): New function; most of the old
3780 (main): Call it to do most of the work.
3781 (cb): Move from global scope to set_callbacks ().
3782 (setup_callbacks): Get the callback pointer.
3783 (general_init, printer_init): Clean up code and comments.
3785 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3787 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3790 2001-01-14 Kazu Hirata <kazu@hxi.com>
3792 * config/h8300/h8300.c (get_shift_alg): Update comments.
3794 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3796 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3797 (alloc_page, ggc_alloc): Add casts to remove warnings.
3799 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3801 * combine.c (simplify_comparison): Don't change `code' when
3802 can't reverse comparison.
3804 2001-01-14 Richard Henderson <rth@redhat.com>
3806 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3807 update all call sites. Return true for all non-label constants.
3809 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3811 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3813 (ix86_expand_branch): Update.
3814 (ix86_expand_setcc): Update to handle multiple test conditions.
3815 (expand_int_movcc): Likewise.
3816 (expand_fp_movcc): Likewise.
3817 * i386-protos.h (ix86_expand_compare): New.
3818 * i386.md (andqi_?_slp, orqi_?_slp): New.
3819 (conditional trap expander): Update call to ix86_expand_compare.
3821 2001-01-14 Richard Henderson <rth@redhat.com>
3823 * config/vax/vax.md: Use nonimmediate_operand instead of
3824 general_operand in destinations.
3826 * config/vax/vax.md (indirect_jump): Use register_operand.
3828 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3829 * config/vax/vax.md (call_pop): Turn into an expander.
3830 (call_value_pop): Likewise.
3831 (call, call_value): New.
3833 2001-01-14 Andreas Jaeger <aj@suse.de>
3835 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3837 (ix86_fp_compare_mode): Add unused attribute.
3838 (ix86_expand_fp_movcc): Remove unused variable.
3839 (ix86_expand_builtin): Make fcode unsigned.
3841 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3842 (expand_expr): Add cast to avoid signed warning.
3843 (store_field): Likewise.
3844 (store_constructor_field): Likewise.
3845 (store_constructor): Likewise.
3846 (store_expr): Likewise.
3847 (clear_storage): Likewise.
3848 (emit_group_store): Likewise.
3849 (emit_group_load): Likewise.
3851 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3853 * c-common.c: Move format checking code to ...
3854 * c-format.c: ... here. New file. Reorder some functions and
3856 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3858 * c-common.h (decl_handle_format_attribute,
3859 decl_handle_format_arg_attribute): Declare.
3860 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3861 (c-common.o): Adjust dependencies.
3862 (c-format.o): New list of dependencies.
3864 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3866 * unroll.c (loop_iterations): If we cannot prove iteration variable
3867 is set once in each iteration, punt.
3869 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3871 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3872 (*strlenhi): Remove clobber (which was buggy) of output address.
3874 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3876 * Makefile.in (generated-manpages): Add gcc.1
3877 ($(srcdir)/gcc.1): New target.
3878 (maintainer-clean): Delete $(srcdir)/gcc.1.
3879 * gcc.texi: Add macros @gccoptlist and @gol.
3880 * invoke.texi: Include option summary in manpage. Mark up option
3881 summary with @gccoptlist and @gol. Use @r in one place where
3883 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3884 * gcc.1: Generate from invoke.texi.
3886 2001-01-13 Richard Henderson <rth@redhat.com>
3888 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3889 (struct page_entry): Add group member.
3890 (struct page_group): New.
3891 (struct globals): Add page_groups member.
3892 (alloc_anon): Only define for using mmap; remove valloc call.
3893 (page_group_index): New.
3894 (set_page_group_in_use): New.
3895 (clear_page_group_in_use): New.
3896 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3897 (free_page, release_pages): Likewise.
3898 * configure.in (with-gc): Default to ggc-page always.
3900 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3902 * reload1.c (replace_pseudos_in_call_usage): Use
3903 reg_equiv_constant and reg_equiv_address, and don't try
3904 regno_reg_rtx first.
3906 2001-01-13 Richard Henderson <rth@redhat.com>
3908 * ggc-page.c (alloc_page): Round up allocation size to one page.
3909 Set e->order on extra pages.
3911 2001-01-13 Richard Henderson <rth@redhat.com>
3913 * genrecog.c (nodes_identical): Expand commentary.
3914 (write_switch): Watch out for identical nodes.
3916 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3918 * cppfiles.c (_cpp_fake_include): New function.
3919 * cpphash.h (_cpp_fake_include): New.
3920 * cpplib.c (do_line): Call _cpp_fake_include when entering
3921 header files in preprocessed input.
3922 * cppmain.c (cb_pragma_implementation): Remove handling.
3923 (setup_callbacks): Don't register pragmas.
3925 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3927 * extend.texi: Udate for CPP.
3929 2001-01-13 Andreas Jaeger <aj@suse.de>
3931 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3933 * regmove.c: Add prototype for replace_in_call_usage.
3935 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3937 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3938 struct cpp_chunk, struct htab, struct toklist,
3939 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3940 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3941 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3942 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3943 (struct macro_args): Delete.
3944 * cpphash.h: See above.
3946 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3948 * cppmain.c (struct printer): Remove no_line_dirs.
3950 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3951 : Use options rather than CPP_OPTION.
3952 (setup_callbacks): Use cb rather than pfile->cb.
3953 (main): No need to check for a buffer. Use cpp_errors.
3954 (printer_init): Don't set no_line_dirs.
3955 (maybe_print_line): Use options not no_line_dirs.
3956 (cb_file_change): Don't call print_line if -P.
3958 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3960 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3962 * c-parse.in (finish_parse): Use cpp_errors.
3963 (__yylex): Use return value of cpp_pop_buffer.
3964 * cp/lex.c (finish_parse): Use cpp_errors.
3965 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3967 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3969 * README.AVR: URLs corrected.
3971 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3973 * c-decl.c (start_function): Don't warn if old prototype is builtin
3974 that's not in C's namespace.
3975 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3976 (_bb): Add prototype for ctime.
3977 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3979 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3981 * i386.c (ix86_fp_comparison_arithmetics_cost,
3982 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3983 ix86_fp_comparison_cost): New functions.
3984 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3985 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3986 two-branch sequences; make static.
3987 (ix86_use_fcomi_compare): Do decision according to the costs.
3988 (split_fp_branch): New.
3989 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3990 * i386-protos.h (ix86_expand_fp_compare): Remove
3991 (ix86_split_fp_branch): Declare.
3993 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3994 and ix86_comparison_operator.
3996 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3999 * i386.c (put_condition_code): Output properly the unordered/ordered
4000 compares in fp case.
4001 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4003 * tm.texi (REVERSE_CONDITION): Document.
4004 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4005 in -ffast-math mode.
4006 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4008 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4010 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4012 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4015 * config/sh/sh.c (mova_p): Fix test for mova_const.
4017 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4019 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4020 cpp_get_options rather than dereferencing pfile and using
4022 * scan-decls.c (scan_decls): Use return value of
4023 cpp_pop_buffer rather than CPP_BUFFER.
4025 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4027 * cppinit.c (cpp_handle_option): help_only is now part of the
4028 cpp_options structure.
4029 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4030 cpp_set_callbacks): New functions.
4031 * cpplib.h (cpp_callbacks): Break out as a named structure.
4032 (cpp_options): Move help_only here from cpp_reader.
4033 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4034 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4035 cpp_set_callbacks): New prototypes.
4036 * cppmain.c (main): Update for help_only.
4038 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4040 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4041 Also build and remove and install and uninstall c-tree.info and
4043 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4044 ($(srcdir)/cppinternals.info): New target.
4045 * c-tree.texi: Change file name used when makeinfo used without -o
4046 from ir.info to c-tree.info. Add info directory entry.
4047 * cppinternals.texi: Add info directory entry.
4048 * .cvsignore: Update.
4050 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4052 * c-typeck.c (store_init_value): Don't require constant initializer
4053 elements with -pedantic -std=c99.
4054 (digest_init): Change error about non-constant initializer elements
4056 (constructor_range_end): Remove.
4057 (constructor_incremental, designator_depth,
4058 designator_errorneous): New variables.
4059 (struct constructor_stack): Remove range_end, add incremental.
4060 (struct constructor_range_stack, constructor_range_stack): New.
4061 (struct initializer_stack): Add constructor_range_stack.
4062 (finish_init): Set it.
4063 (start_init): Likewise. require_constant_elements for non-static
4064 trees only if not flag_isoc99.
4065 (really_start_incremental_init): Remove constructor_range_end, add
4066 constructor_incremental.
4067 (pop_init_level): Likewise.
4068 (push_init_level): Likewise. If implicit and the subobject had some
4069 value set already, preinitialize the level with it.
4070 Warn about missing braces only if not pushing due to designators.
4071 (set_designator, push_range_stack): New functions.
4072 (set_init_label): Use them.
4073 (set_init_index): Likewise. Remove constructor_range_end.
4074 Error if designator index is outside of array bounds.
4075 (add_pending_init): Compare values of purpose index trees, not the
4076 trees themselves. Allow overwriting of already initialized element.
4077 Issue a warning if it had side-effects.
4078 (set_nonincremental_init, set_nonincremental_init_from_string): New
4080 (pending_init_member): Rename to...
4081 (find_init_member): ...this function. Call set_nonincremental_init
4082 if necessary. Compare values of purpose index trees, not the trees
4083 themselves. Return the actual value, not just non-zero if something
4085 (output_init_element): Remove checks for duplicates.
4086 If field has zero size, only check the initializer for correctness.
4087 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4088 if constructor_incremental is zero. Change error about initializers
4089 not computable at load time into pedwarn.
4090 (output_pending_init_elements): Compare bit positions, not
4091 FIELD_DECLs to take into account zero-sized fields.
4092 (process_init_element): Use constructor_range_stack to fill all
4093 ranges in the designator lists from current level up.
4094 * extend.texi: Update documentation for labeled elements.
4096 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4098 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4099 to function usage for arguments passed by reference. Optimize
4100 callee-copied arguments.
4101 * regmove.c (replace_in_call_usage): New function.
4102 (fixup_match_1): Call it.
4103 * cse.c (cse_insn): Canonicalize registers in function usage.
4104 * reload1.c (replace_pseudos_in_call_usage): New function.
4107 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4110 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4112 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4115 2001-01-12 DJ Delorie <dj@redhat.com>
4117 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4118 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4121 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4123 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4124 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4125 -std options alongside references to -ansi. Update some
4126 documentation for C99.
4127 * cpp.1: Regenerate.
4129 2001-01-12 Andreas Jaeger <aj@suse.de>
4131 * haifa-sched.c (restore_line_notes): Remove argument block B
4133 * sched-ebb.c (schedule_ebb): Change caller.
4134 * sched-rgn.c (schedule_region): Likewise.
4135 * sched-int.h (restore_line_notes): Adjust prototype.
4137 * loop.h: Remove wrong declaration of doloop_condition_get.
4139 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4141 * extend.texi: Move C++-extension-related node from the C section
4142 into the C++ section.
4144 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4146 * extend.texi: Refer to an array of pointers to functions instead
4147 of one of functions.
4149 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4150 Jan Hubicka <jh@suse.cz>
4152 * combine.c (reversed_comparison): Fix typo in last patch.
4154 (combine_reversed_comparison_code): Make static to follow
4155 prototype declaration.
4157 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4159 * install.texi: Remove misplaced duplicate entry.
4161 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4163 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4165 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4167 * final.c: (leaf_function_p): Fix typo.
4169 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4171 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4172 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4174 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4175 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4176 mmap_anon, and valloc is available.
4177 * ggc-page.c: Restructure ifdef logic to match new autoconf
4178 spec. Don't throw away the test page in init_ggc.
4180 * configure, config.in: Regenerate.
4182 2001-01-12 Michael Hayes <mhayes@redhat.com>
4184 * loop.h (total_biv_increment): Constify iv_class pointer.
4185 (struct induction): Replace `mem_mode' with `mem' rtx.
4186 * unroll.c (total_biv_increment): Constify iv_class pointer.
4187 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4188 (find_mem_givs, combine_givs_p): Likewise.
4189 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4191 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4193 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4195 (__gthread_getspecific): Ditto.
4197 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4199 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4200 put_condition_code): Convert fp comparison codes to integer
4202 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4205 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4206 * i386-protos.h (no_comparison_operator): Kill.
4208 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4210 * combine.c (REVERSIBLE_CC_MODE): Remove.
4211 (reversible_comparison_p): Remove.
4212 (combine_reversed_comparison_code): New.
4213 (reversed_comparison): New.
4214 (combine_simplify_rtx): Use
4215 combine_reversed_comparison_code/reversed_comparison instead
4216 of reversible_comparison_p.
4217 (simplify_if_then_else): Likewise.
4218 (simplify_set): Likewise.
4219 (simplify_logical): Likewise.
4220 (if_then_else_cond): Likewise.
4221 (known_cond): Likewise.
4222 (simplify_comparison): Likewise.
4224 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4226 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4227 sizeof (int) is larger than sizeof(__word__).
4229 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4231 * cppinit.c (do_includes): Fix typo.
4233 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4235 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4236 in S_REGS does not occur because not all sources are possible
4237 when a S_REGS is a destination (sometimes needs a clobber).
4238 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4239 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4240 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4241 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4242 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4243 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4244 (lshrdi_const1, lshrsi3_const16): Likewise.
4245 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4246 (*movhi_68hc12, *movqi_68hc12): Likewise.
4247 (movstrictqi): Make sure reloading in D_REGS as a destination
4250 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4252 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4254 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4256 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4257 -D, -U and -A, and don't initialize the builtins.
4258 (do_includes): Error if -include or -imacros with -fpreprocessed.
4259 * cppmain.c (cb_define, cb_undef): Unconditionally process
4261 * tradcpp.c (main): Fix typo.
4263 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4265 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4266 (read_name_map): Use IS_ABSOLUTE_PATH.
4267 * tradcpp.c (get_filename): Likewise.
4269 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4271 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4272 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4273 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4274 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4275 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4276 (cmphi_z_used): Don't use '@' for the output.
4277 (tstqi_z_used): Likewise.
4278 (cmpqi_z_used): Likewise.
4279 (one_cmplsi2): Likewise.
4281 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4283 * config/sh/sh.c (barrier_align): Recognize branch around far
4284 branch and redundant insn.
4286 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4288 * invoke.texi: Restore documentation of the drivers' switches -MD
4291 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4293 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4295 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4296 check-objc//%): Support parallel testing of multilibs.
4297 (TESTSUITEDIR): Set to testsuite by default, but override for
4299 (check-gcc, check-g++, check-g77, check-objc): Enter
4302 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4304 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4305 * sched-deps.c (deps_may_trap_p): Likewise.
4306 * basic-block.h: Remove a comment.
4307 * flow.c (PROP_POSTRELOAD): Remove.
4308 (update_life_info): Don't add it to prop_flags.
4309 (mark_set_1): Lose the code that was enabled by it.
4311 2001-01-11 Michael Hayes <mhayes@redhat.com>
4313 * flow.c (flow_call_edges_add): New.
4314 * basic_block.h (flow_call_edges_add): New.
4316 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4318 * reload1.c (move2add_note_store): Update reg_set_luid even if
4319 base reg remains the same.
4321 2001-01-10 Nick Clifton <nickc@redhat.com>
4323 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4324 machine_function structure to zero.
4325 Add prototypes for machine_status functions.
4327 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4329 * c-common.h (CTI_VOID_LIST): Remove.
4330 (void_list_node): Likewise.
4331 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4332 (void_list_node): New macro.
4333 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4334 * config/i386/i386.c (ix86_init_builtins): Likewise.
4335 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4337 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4339 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4340 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4342 * tradcpp.c: Include mkdeps.h.
4343 (deps, print_deps_phony_targets, deps_append, output_deps,
4344 init_dependency_output, output_deps): New.
4345 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4346 deps_output): Delete.
4347 (print_deps_missing_files): Rename deps_missing_files.
4348 (inhibit_output): Make global.
4349 (main): Delete inhibit_output, deps_stream, deps_target.
4350 Use mkdeps functionality in the same way as cpplib. Remove
4351 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4352 -M and -MM. Remove old handling of deps via deps_out, and
4353 old reading of environment variables.
4354 (get_filename): Update to use deps_add_dep.
4356 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4358 * output.h (make_function_rtl): Remove prototype.
4359 (make_decl_rtl): Likewise.
4360 * varasm.c (make_function_rtl): Remove.
4361 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4362 than from a third parameter.
4363 * tree.h (make_decl_rtl): Remove last parameter.
4364 * c-decl.c (builtin_function): Remove last argument in call to
4365 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4366 (start_function): Likewise.
4367 * except.c (call_get_eh_context): Likewise.
4368 * expr.c (emit_block_move): Likewise.
4369 (clear_storage): Likewise.
4370 * profile.c (output_func_start_profiler): Likewise.
4371 * toplev.c (rest_of_decl_compilation): Likewise.
4372 * objc/objc-act.c (create_builtin_decl): Likewise.
4373 (synth_module_prologue): Likewise.
4374 (generate_static_reference): Likewise.
4375 (build_selector_reference_decl): Likewise.
4376 (build_class_reference_decl): Likewise.
4377 (build_objc_string_decl): Likewise.
4378 (build_protocol_reference): Likewise.
4380 2001-01-10 Richard Henderson <rth@redhat.com>
4382 * hwint.h: Revert yesterday's change.
4384 2001-01-10 Nick Clifton <nickc@redhat.com>
4386 * function.h (save_machine_status): Delete.
4387 (restore_machine_status): Delete.
4388 Amend comment describing {init|mark|free}_machine_status.
4390 * function.c (save_machine_status): Delete.
4391 (restore_machine_status): Delete.
4392 Amend comment describing {init|mark|free}_machine_status.
4393 (push_function_context_to): Remove invocation of
4394 save_machine_status.
4395 (pop_function_context_from): Remove invocation of
4396 restore_machine_status.
4398 * emit-rtl.c (init_emit_once): Amend comment describing
4399 {init|mark|free}_machine_status.
4401 * tm.texi (Per-Function Data): New node. Describe the
4402 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4405 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4407 * cppinit.c (OPT_g): Remove.
4408 (cpp_handle_option): Update for removed -g3.
4409 (print_help): Update.
4410 * cpplib.h (struct cpp_options): Remove debug_output.
4411 * cppmain.c (setup_callbacks, cb_define): Update.
4412 * gcc.c (cpp_options): Translate -g3 to -dD.
4414 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4416 * config/i960/i960.md: Change modifier to + on the zero_extract
4417 pattern after the (rotate -2 reg) canonicalization pattern.
4419 2001-01-10 Richard Henderson <rth@redhat.com>
4421 * config/alpha/alpha.c (alpha_free_machine_status): New.
4422 (override_options): Install it.
4423 (alpha_mark_machine_status): Verify machine non-null.
4424 * config/i386/i386.c (ix86_free_machine_status): New.
4425 (override_options): Install it.
4426 (ix86_init_machine_status): Use xcalloc.
4427 (ix86_mark_machine_status): Verify machine non-null.
4428 * config/ia64/ia64.c (ia64_free_machine_status): New.
4429 (ia64_override_options): Install it.
4430 (ia64_mark_machine_status): Verify machine non-null.
4432 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4434 * function.c (instantiate_virtual_regs): Instantiate virtual
4435 registers found in CALL_INSN_FUNCTION_USAGE.
4437 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4439 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4440 equivalent to -ansi in disabling -Di386.
4442 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4444 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4446 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4448 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4450 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4452 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4454 * invoke.texi: Document that -fcond-mismatch isn't supported for
4457 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4459 * gcc.texi: Define macro gcctabopt.
4460 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4461 @command, @env and @option in some places where appropriate. Use
4462 @gcctabopt where appropriate. Put URLs and email addresses inside
4465 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4467 * gcc.c (cpp_options): Set MD file name from output
4468 filename, if specified.
4469 (suffix_subst): New static variable.
4470 (do_spec): Clear it.
4471 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4473 (give_switch): Handle suffix_subst.
4475 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4477 * invoke.texi: Fix another typo.
4479 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4481 * invoke.texi: Fix typo.
4483 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4485 * c-lang.c (lang_hooks): Update.
4486 (lang_decode_option): Remove.
4487 (lang_init_options): Rename c_init_options.
4488 * toplev.c (main): Use lang_hooks for lang_init_options
4489 and lang_decode_option.
4490 * toplev.h (lang_hooks): Add 2 new hooks.
4491 * tree.h: Remove lang_init_options and lang_decode_option.
4492 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4493 * cp/decl2.c: Similarly.
4494 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4495 (lang_hooks): Update.
4496 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4498 (lang_init_options): Rename ffe_init_options.
4499 (lang_hooks): Update.
4500 (lang_decode_option): Remove.
4501 * java/lang.c (lang_init_options): Rename java_init_options.
4502 (lang_decode_option): Rename java_decode_option.
4503 (lang_hooks): Update.
4504 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4505 (lang_decode_option): Rename objc_decode_option.
4506 (lang_hooks): Update.
4508 2001-01-09 Nick Clifton <nickc@redhat.com>
4510 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4511 (d30v_return_addr_rtx): Delete.
4512 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4513 cfun->machine structure.
4514 (struct machine_function): Move to d30v.h
4515 (d30v_save_machine_status): Delete.
4516 (d30v_restore_machine_status): Delete.
4517 (d30v_init_machine_status): New Function.
4518 (d30v_mark_machine_status): New Function.
4519 (d30v_free_machine_status): New Function.
4520 (d30v_init_expanders): Use new functions.
4521 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4522 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4523 d30v_return_addr_rtx.
4525 * config/d30v/d30v.h (struct_machine): Move here.
4526 Add eh_epilogue_sp_ofs field.
4528 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4529 field in cfun->machine structure.
4531 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4533 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4534 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4535 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4537 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4539 * objc/lang-options.h: Remove bogus reference to
4542 2001-01-09 Kazu Hirata <kazu@hxi.com>
4544 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4547 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4549 * reload.c (find_reloads_address): Check for eliminable registers
4550 when substituting a constant expression for a pseudo.
4552 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4554 * c-common.c (enum format_type): Add format_type_error.
4555 (decode_format_type): New function.
4556 (decl_attributes): Use it.
4557 (format_kind_info): Adjust comment.
4559 2001-01-09 David O'Brien <obrien@BSDi.com>
4561 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4562 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4564 * config/i386/gnu.h: Don't include required platform specific .h files,
4565 tm.h will do it instead.
4566 * config/i386/i386elf.h: Likewise.
4567 * config/i386/linux.h: Likewise.
4568 * config/i386/moss.h: Likewise.
4569 * config/mips/gnu.h: Likewise.
4571 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4573 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4574 (rs6000-ibm-aix3.[01]*): Likewise.
4575 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4576 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4577 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4578 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4579 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4580 (powerpc-*-eabiaix*): Likewise.
4581 (powerpc-*-eabisim*): Likewise.
4582 (powerpc-*-elf*): Likewise.
4583 (powerpc-*-eabi*): Likewise.
4584 (powerpc-*-rtems*): Likewise.
4585 (powerpc-*-linux*libc1): Likewise.
4586 (powerpc-*-linux*): Likewise.
4587 (powerpc-wrs-vxworks*): Likewise.
4588 (powerpcle-wrs-vxworks*): Likewise.
4589 (powerpcle-*-sysv*): Likewise.
4590 (powerpcle-*-elf*): Likewise.
4591 (powerpcle-*-eabisim*): Likewise.
4592 (powerpcle-*-eabi*): Likewise.
4593 (powerpcle-*-solaris2*): Likewise.
4594 * config/rs6000/aix31.h: Delete includes.
4595 * config/rs6000/aix3newas.h: Likewise.
4596 * config/rs6000/aix41.h: Likewise.
4597 * config/rs6000/aix43.h: Likewise.
4598 * config/rs6000/beos.h: Likewise.
4599 * config/rs6000/rtems.h: Likewise.
4600 * config/rs6000/sysv4.h: Likewise.
4602 2001-01-09 Kazu Hirata <kazu@hxi.com>
4604 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4605 Change an argument mode of machine_mode to shift_mode of
4606 shift_mode. Remove an extra error check.
4607 (emit_a_shift): Adopt to the new calling prototype of
4609 (function_prologue): Fix code for a monitor
4610 function. Support H8/S.
4611 (function_epilogue): Do not output pop for a monitor function.
4613 2001-01-09 Nick Clifton <nickc@redhat.com>
4615 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4616 (setup_incoming_varargs): Use sysv_varargs_p field of the
4617 cfun->machine structure.
4618 (struct machine_function): Move to rs6000.h
4619 (rs6000_save_machine_status): Delete.
4620 (rs6000_restore_machine_status): Delete.
4621 (rs6000_init_machine_status): New Function.
4622 (rs6000_free_machine_status): New Function.
4623 (rs6000_init_expanders): Use new functions.
4625 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4627 (struct machine_function): Move here.
4629 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4630 sysv_varargs_p field of the cfun->machine structure.
4632 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4634 (rs6000_restore_machine_status): Remove prototype.
4636 2001-01-09 Richard Henderson <rth@redhat.com>
4638 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4639 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4640 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4641 (sched_analyze_2, sched_analyze_insn): Likewise.
4642 (sched_analyze, init_deps): Likewise.
4643 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4644 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4645 (compute_block_backward_dependences): Update propagate_deps call.
4647 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4649 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4651 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4653 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4654 (cpp_handle_option): Handle them.
4655 (cpp_post_options): Ensure one of -M or -MM is specified with
4656 any other -M? option.
4657 (init_dependency_output): Suppress output with -MG.
4659 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4662 * invoke.texi: Update.
4664 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4666 * sh.md (reload_outsf): Generate recognizable patterns for
4669 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4671 * c-lang.c (lang_hooks): Update.
4672 (lang_init): Rename c_init.
4673 (lang_finish): Remove.
4674 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4676 * toplev.h (lang_hooks): Add init () and finish ().
4677 * tree.h (lang_init, lang_finish): Remove.
4678 * cp/tree.h (lang_init, lang_finish): Remove.
4679 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4680 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4682 (lang_init, lang_finish): Remove.
4683 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4684 (lang_hooks): Update.
4685 * java/lang.c (lang_init): Rename java_init.
4686 (lang_finish): Remove.
4687 (lang_hooks): Update.
4688 * objc/objc-act.c (lang_init): Rename objc_init.
4689 (lang_finish): Remove.
4690 (lang_hoooks): Update.
4692 20001-01-09 Graham Stott <grahams@redhat.com>
4694 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4695 after `ptr` is initialised.
4697 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4699 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4700 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4701 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4702 stack adjusts, instead of r3.
4704 2001-01-09 Michael Hayes <mhayes@redhat.com>
4706 * flow.c (flow_loop_scan): Break out of ...
4707 (flow_loops_find) ... here.
4708 * basic-block.h (flow_loop_scan): New.
4709 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4710 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4712 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4714 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4716 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4717 realloc()ing macro_buffer.
4719 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4720 if it's wider than long and the target's long is wider than the
4723 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4725 Remove support for using UWIN as a host machine.
4726 * configure.in: Issue an error message.
4727 * configure: Regenerated.
4728 * config.gcc: Remove xm_* UWIN configury.
4729 * config/i386/xm-uwin.h: Remove.
4731 2001-01-08 Nick Clifton <nickc@redhat.com>
4733 * config/v850/v850.c (ra_rtx): Delete.
4734 (v850_save_machine_status): Delete.
4735 (v850_restore_machine_status): Delete.
4736 (v850_init_machine_status): New function.
4737 (v850_mark_machine_status): New function.
4738 (v850_free_machine_status): New function.
4739 (v850_return_addr): Use ra_rtx field in machine structure.
4740 (v850_init_expanders): Use new functions.
4742 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4743 * config/v850/v850.c: Change arguments to v850_output+* functions
4744 to take a const char *, to avoid compile time warning.
4745 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4746 (USER_LABEL_PREFIX): Redefine.
4748 2000-01-08 Jim Wilson <wilson@redhat.com>
4750 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4751 1 to unsigned HOST_WIDE_INT before left shift.
4753 2001-01-08 Nick Clifton <nickc@redhat.com>
4755 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4756 the machine structure has been allocated.
4757 (arm_free_machine_status): New function: Free the machine
4758 specific function structure.
4760 2001-01-08 Richard Henderson <rth@redhat.com>
4762 * jump.c (simplejump_p): Revert last change.
4764 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4766 * cppinit.c (init): Rename init_library.
4767 (cpp_create_reader): Update.
4768 * gcc.c (cpp_options): If -o given, use it as the target of
4771 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4773 * arm.c (arm_arch5e): New variable.
4774 (all_cores): XScale is a 5TE device.
4775 (arm_override_options): Set arm_arch5e.
4776 (arm_init_builtins): __builtin_prefetch is in arch5e.
4777 * arm.h (arm_arch5e): Declare it.
4779 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4781 * arm.md (define_constants): Add defines for UNSPEC and
4782 UNSPEC_VOLATILE insns. Update all users.
4783 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4784 * arm.c (multi_register_push, note_invalid_constants)
4785 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4786 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4787 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4789 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4791 * jump.c (jump_optimize_1): Use reversed_comparison_code
4792 instead of can_reverse_comparison_p.
4793 (jump_back_p): Likewise.
4794 (invert_exp_1): Likewise.
4795 (thread_jumps): Likewise.
4796 * simplify-rtx.c (simplify_unary_operation): Likewise.
4797 (simplify_ternary_operation): Likewise.
4798 * cse.c (find_comparison_args): Convert to use
4799 can_reverse_comparison_p.
4800 (record_jump_equiv): Likewise.
4802 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4804 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4805 (EPILOGUE_USES): Define.
4806 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4807 automatically stack the LR if it isn't live.
4809 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4811 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4814 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4816 * ggc-page.c (max_alignment): New structure.
4817 (MAX_ALIGNMENT): New macro.
4818 (init_ggc): Use it to round up the sizes in the
4819 extra_order_size_table.
4821 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4823 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4826 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4828 * builtins.def (BUILT_IN_FPRINTF): New entry.
4830 * c-common.c (c_expand_builtin_fprintf): New function.
4831 (init_function_format_info): Handle __builtin_fprintf.
4832 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4833 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4835 * c-decl.c (duplicate_decls): Adjust comment.
4837 * extend.texi (fprintf): Document new builtin.
4839 2001-01-07 Richard Henderson <rth@redhat.com>
4841 * jump.c (simplejump_p): Recognize any single_set jump
4844 2001-01-07 Richard Henderson <rth@redhat.com>
4846 * configure.in (slibdir): Accept an --with-slibdir option.
4847 Use "test" not "[" in configure. Default to $(libdir).
4849 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4851 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4852 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4853 (SHLIB_LINK): Create links for the soname.
4854 * config/mips/t-iris6: Likewise.
4855 * config/sparc/t-slibgcc: Likewise.
4856 * config/sparc/t-slibgcc-sld: Likewise.
4858 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4860 * config/i386/i386.c (constant_call_address_operand): Accept
4861 (const (plus (symbol_ref) (const_int))).
4862 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4863 constant_call_address_operand.
4865 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4867 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4868 and LONG_LONG_TYPE_SIZE > 32.
4870 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4872 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4873 the previous change.
4875 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4877 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4879 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4880 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4881 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4884 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4886 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4888 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4890 * c-lang.c (c_post_options): Call cpp_post_options.
4891 * objc/objc-act.c (objc_post_options): Similarly.
4892 * cppmain.c (main): Similarly.
4893 * fix-header.c (read_scan_file): Similarly.
4894 * cppinit.c (cpp_start_read): Move option consistency checks
4895 to cpp_post_options. Don't call init_dependency_output.
4896 If needed, add default target and main file dependency.
4897 (OPT_MD, OPT_MMD): Remove.
4899 (cpp_handle_option): Update for OPT_* changes.
4900 (cpp_post_options): New.
4901 (init_dependency_output): Command line -MF overrides environment
4902 variables. Don't set default target etc. Suppress output
4903 if dependencies are going to stdout.
4904 (print_help): Update.
4905 * cpplib.h (cpp_post_options): New.
4906 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4908 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4910 * jump.c (comparison_dominates_p): Support unordered compares.
4912 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4914 * simplify-rtx.c (simplify_relational_operation): Always simplify
4915 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4918 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4920 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4921 (nonzero_bits): Likewise.
4922 (simplify_comparison): Likewise.
4923 (num_sign_bit_copies): Likewise; return more sane value depending
4924 on STORE_FLAG_VALUE.
4925 (known_cond): Do not assume EQ to be always true for equivalent
4928 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4930 * cse.c (fold_rtx): Handle unordered comparisons.
4932 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4934 * rtlanal.c (set_of_1): New static function.
4935 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4936 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4937 reg_set_last_last_regno): Remove.
4938 (set_of): New global function.
4939 (set_of_data): New structure.
4940 (reg_set_p, reg_set_last): Revamp for set_of.
4941 * rtl.h (set_of): New.
4943 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4945 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4946 * extend.texi: Document _Exit builtin.
4948 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4950 * (initialize, initialize_builtins,
4951 initialize_dependency_output, initialize_standard_includes):
4952 Rename s/initialize/init. Update.
4953 (init_dependency_output): Move to after
4954 cpp_handle_options, the correct location temporally at least.
4955 (opt_comp): Move next to init (), its caller. Fix prototype.
4956 (init): Make "initialized" local scope.
4957 (cpp_create_reader): Always call init ().
4958 (cpp_start_read): Update.
4959 (output_deps): New function, broken out of cpp_finish.
4960 (cpp_finish): Break out output_deps.
4962 2001-01-07 Richard Henderson <rth@redhat.com>
4964 * collect2.c (COFF specific stuff): Revert 12-06 patch
4965 to prototype system functions.
4967 2001-01-07 Michael Hayes <mhayes@redhat.com>
4969 * hard-reg-set.h: Add multiple include guard.
4970 * basic-block.h (struct loop): Add `sink' field.
4971 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4972 (emit_iv_add_mult): Delete.
4973 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4974 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4975 (unroll_loop): Remove end_insert_before argument.
4976 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4977 (maybe_eliminate_biv_1): Likewise.
4978 (emit_iv_add_mult): Delete.
4979 (gen_add_mult, loop_regs_update): New.
4980 (loop_insn_emit_after, loop_insn_emit_before): New.
4981 (loop_insn_sink, loop_insn_sink_or_swim): New.
4982 (emit_iv_add_mult): Delete.
4983 (scan_loop): Set loop->sink.
4984 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4985 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4986 (maybe_eliminate_biv_1): Likewise.
4987 (maybe_eliminate_biv_1): Add basic block argument.
4988 * unroll.c (unroll_loop): Remove end_insert_before argument.
4989 (find_splittable_regs): Likewise.
4990 (find_splittable_regs): Use loop_insn_sink and its ilk.
4991 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4993 2001-01-07 Michael Hayes <mhayes@redhat.com>
4995 * loop.h (loop_insn_hoist): New prototype.
4996 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4997 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4998 (check_dbra_loop, load_mems): Likewise.
4999 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5000 (find_splittable_givs): Likewise.
5002 2001-01-07 Michael Hayes <mhayes@redhat.com>
5004 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5006 2001-01-07 Richard Henderson <rth@redhat.com>
5008 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5010 2001-01-07 Richard Henderson <rth@redhat.com>
5012 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5013 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5014 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5015 variant that handles a shared libgcc.
5016 (process_command): Always validate -{static,shared}-libgcc.
5017 (do_spec_1): New 'M' case.
5018 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5020 2001-01-07 Richard Henderson <rth@redhat.com>
5022 * Makefile.in (slibdir): New variable.
5023 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5024 (installdirs): Create slibdir.
5025 (install-libgcc, install-multilib): Defer to libgcc.mk.
5026 * configure.in (slibdir): Substitute.
5027 * mklibgcc.in (install): New target.
5029 * config/t-linux (SHLIB_LINK): Create links for the soname.
5030 (SHLIB_INSTALL): New.
5031 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5032 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5033 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5034 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5035 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5037 2001-01-07 Richard Henderson <rth@redhat.com>
5039 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5040 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5041 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5043 2001-01-07 Michael Hayes <mhayes@redhat.com>
5045 * loop.c (count_loop_regs_set): Delete.
5046 (load_mems_and_recount_loop_regs_set): Delete.
5047 (loop_regs_scan): Merge common code from count_loop_regs_set,
5048 scan_loop, and load_mems_and_recount_loop_regs_set.
5049 (scan_loop): Call load_mems directly and loop_regs_scan
5050 again if new registers created.
5052 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5054 * toplev.c (main): Call the front-end specific post_options
5055 hook if one is given.
5056 * toplev.h (struct_lang_hooks, lang_hooks): New.
5057 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5058 for the C front end.
5059 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5060 lang_hooks for the C++ front end.
5061 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5062 lang_hooks for the ObjC front end.
5063 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5064 * java/lang.c (lang_hooks): Hooks for the Java front end.
5066 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5068 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5069 for verbose DWARF[2] debugging.
5070 (cb_define, cb_undef): The new callbacks.
5071 * toplev.h (debug_define, debug_undef): Make const correct.
5072 * toplev.c (debug_define, debug_undef): Similarly. Do not
5073 perform the verbosity tests here anymore.
5075 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5077 * reload.c (subst_reloads): Take INSN argument. When
5078 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5079 * reload.h (subst_reloads): Adjust prototype.
5080 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5081 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5082 present in JUMP_INSNs and copy them to JUMP_LABEL.
5083 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5084 JUMP_INSNs and insns with REG_LABELs that are followed by
5085 JUMP_INSNs with the same REG_LABEL.
5086 * sched-rgn.c (is_cfg_nonregular): Likewise.
5087 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5089 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5091 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5093 2001-01-06 Richard Henderson <rth@redhat.com>
5095 * loop.c (scan_loop): Use xcalloc for the regs array.
5096 (load_mems_and_recount_loop_regs_set): Zero the new memory
5097 received from xrealloc.
5099 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5101 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5103 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5105 * integrate.c (copy_rtx_and_substitute): When copying
5106 an ignored return value, strip REG_FUNCTION_VALUE_P.
5108 2001-01-06 Michael Hayes <mhayes@redhat.com>
5110 * loop.c (debug_biv, debug_giv): New.
5111 (loop_biv_dump): Break out from ...
5112 (record_biv): ... here.
5113 (loop_giv_dump): Break out from ...
5114 (record_giv): ... here.
5115 (loop_bivs_check): Use print_simple_rtl.
5116 * unroll.c (loop_iterations): Use print_simple_rtl.
5118 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5120 * pa.md (return, return_internal): Modify patterns to prevent regrename
5121 mucking with the return pointer.
5123 2001-01-05 Richard Henderson <rth@redhat.com>
5125 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5127 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5129 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5130 version supplied by Matteo Frigo.
5132 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5134 * cpp.texi: Update for -MQ.
5135 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5136 (cpp_cleanup): Always free pfile->deps.
5137 (initialize_dependency_output): Don't create pfile->deps.
5138 (cpp_handle_option): Similarly.
5140 * gcc.c (cpp_options): Handle -MQ.
5141 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5142 * mkdeps.c (base_name): Remove.
5143 (deps_init): Don't allocate vector space until it's needed.
5144 (deps_free): Only free vectors if allocated.
5145 (deps_add_target, deps_add_dep): Update for initial allocation.
5146 (deps_add_default_target): Don't strip to the base_name.
5148 2001-01-05 DJ Delorie <dj@redhat.com>
5150 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5151 (INIT_EXPANDERS): Define.
5153 * config/v850/v850.c (struct machine_function): Define.
5154 (v850_save_machine_status): New function.
5155 (v850_restore_machine_status): New function.
5156 (v850_return_addr): New function.
5157 (v850_init_expanders): New function.
5159 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5160 and v850_init_expanders.
5162 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5164 * cpplib.h (struct cpp_reader): Add help_only field.
5165 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5166 (cpp_handle_option): Set pfile->help_only if we see -h,
5167 --help, -target-help, or --version. Print version string but
5168 do not set help_only if we see -v or -version. Make text
5169 printed by -v match that printed by (-)-version.
5171 * cppmain.c (main): Exit after option parsing if
5172 pfile->help_only is true.
5174 * toplev.c (independent_decode_option): Call print_version,
5175 then exit, if we see --version (but not -version).
5176 (print_version): Split lengthy message into two lines.
5178 2001-01-05 Nick Clifton <nickc@redhat.com>
5180 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5181 temporary string for initialisation before calling ggc_alloc_string.
5183 2001-01-06 Michael Hayes <mhayes@redhat.com>
5185 * rtl.h (print_simple_rtl): New.
5186 * print-rtl.c (print_simple_rtl): New.
5188 (print_rtx): Disable printing of flags and modes, etc.,
5189 if `flag_simple` nonzero.
5191 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5193 * function.c (fixup_var_refs): Use push_to_full_sequence where
5196 2001-01-05 Michael Meissner <meissner@redhat.com>
5198 * flags.h (flag_reorder_blocks): Add declaration.
5199 (flag_rename_block): Ditto.
5201 2001-01-05 DJ Delorie <dj@redhat.com>
5203 * function.c (reorder_blocks): Make sure the flags are all reset
5204 before using them to mark blocks, else a second invocation will
5205 corrupt the block chain.
5206 (reorder_blocks_0): New, resets the flags.
5208 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5210 * cse.c (find_comparison_args): Stop if the argument is known to
5213 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5215 * config/sh/sh.md (movdf): When splitting load into pair of
5216 registers, don't clobber the register used in the address too
5219 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5221 * varasm.c (mark_constant_pool): Improve initial comments.
5222 (mark_constants): Move marking of constants to mark_constant.
5223 (mark_constant): New function to recursively mark all constants
5224 referred to by a constant.
5226 2001-01-05 Catherine Moore <clm@redhat.com>
5228 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5230 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5232 * cp/lang-options.h: Bring comment in line with reality.
5233 * f/lang-options.h: Likewise.
5234 * java/lang-options.h: Likewise.
5235 * objc/lang-options.h: Likewise.
5236 * ch/lang-options.h: Likewise.
5237 * f/g77.texi: And update the manual.
5239 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5240 Denis Chertykov <denisc@overta.ru>
5242 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5243 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5244 * config/avr/avr.md (all peepholes that request a scratch register):
5245 Call it, FAIL the peephole if not safe (in interrupt functions).
5247 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5249 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5251 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5253 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5255 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5256 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5257 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5258 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5259 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5261 * extend.texi: Document these builtins.
5263 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5265 * c-common.c (lang_get_alias_set): Say we know nothing of
5266 VECTOR_TYPE aliasing.
5268 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5270 2001-01-05 Bruce Korb <bkorb@gnu.org>
5272 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5273 their x* equivalent versions for atexit-less systems
5274 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5275 systems (or any other system any more).
5277 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5279 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5280 output operands. Use arm_hard_register_operand for operand 4.
5281 (stmsi_postinc): Similarly.
5282 (ldmsi): Use arm_hard_register_operand for opernand 2.
5284 * arm.c (arm_hard_register_operand): New function.
5285 * arm-protos.h (arm_hard_register_operand): Prototype it.
5287 * arm.h (HARD_REGNO_RENAME_OK): Define.
5289 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5291 * simplify-rtx.c (cfc_args): add "unordered" field.
5292 (check_fold_consts): Set unordered field.
5293 (simplify_relational_operation): Simplify the unordered
5296 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5299 * emit-rtl.c (try_split): Fix code to mark labels.
5300 * jump.c (mark_jump_label): Make global.
5301 * rtl.h (mark_jump_label): Declare.
5303 * predict.c (estimate_probability): Handle unordred comparisons.
5305 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5307 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5308 * cppinit.c (initialize_dependency_output): Update.
5309 (cpp_finish): Output dummy targets for -MP.
5311 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5312 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5313 * gcc.c (cpp_options): Update to handle -MP.
5314 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5315 to quote only the default target.
5316 (deps_phony_targets): Insert a preceding newline. Rename from
5317 deps_dummy_targets for consistency.
5320 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5322 * calls.c (emit_library_call_value_1): Support
5323 INIT_CUMULATIVE_LIBCALL_ARGS.
5324 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5326 2001-01-04 Richard Henderson <rth@redhat.com>
5328 * c-decl.c (finish_struct): Detect flexible array members
5329 used in an inappropriate context.
5330 * c-typeck.c (really_start_incremental_init): Special case
5331 constructor_max_index for zero length arrays.
5332 (pop_init_level): Allow initialization of flexible array
5333 members. Deprecate initialization of zero length arrays.
5334 Don't issue missing initializer warning for flexible array
5335 members or zero length arrays.
5336 (process_init_element): Don't dereference null DECL_SIZE.
5337 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5338 Don't abort for empty constructors. Use size_binop
5339 (output_constructor): Add commentary regarding zero length
5340 array futures. Abort if we try to initialize an array of
5341 unspecified length with a non-empty constructor in the middle
5344 * extend.texi (Zero Length): Update and clarify documentation
5345 on static initialization.
5347 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5349 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5350 with more than 32767 words of local storage.
5352 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5354 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5355 for 'abs', 'labs', and 'fabs'.
5356 (c4x_expand_builtin): Likewise.
5357 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5359 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5361 * config/sh/sh.md (prget, prset): New insn types.
5362 (return delay slot): Dont' allow prset.
5363 (call, sfunc delay slot): Don't allow prget.
5364 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5365 for prset and prget.
5367 2001-01-05 Michael Hayes <mhayes@redhat.com>
5369 * loop.h (struct loop_reg): New.
5370 (struct loop_regs): Change to use array of `struct loop_reg'.
5371 * loop.c: Replace assortment of varrays with single regs array.
5372 (count_one_set): Delete may_not_move array argument
5373 and use regs array instead. All caller's changed.
5374 (count_loop_regs_set): Delete may_not_move and single_usage
5375 arguments and use regs array instead. All caller's changed.
5376 (find_single_use_in_loop): Replace usage array argument with pointer
5377 to regs structure. All caller's changed.
5378 (loop_optimize): Delete `moved_once' array.
5380 2001-01-05 Michael Hayes <mhayes@redhat.com>
5382 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5383 Use it instead of loop_info->has_call for scanning loop mems.
5384 (check_dbra_loop): Replace loop_info->has_call test with
5385 loop_info->has_nonconst_call.
5387 2000-01-04 Matthew Hiller <hiller@redhat.com>
5389 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5392 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5394 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5395 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5397 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5399 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5400 (flag_short_double, flag_short_wchar): Define.
5401 (c_common_nodes_and_builtins): Create many tree nodes shared
5402 between C and C++ here instead of in cp/decl.c and ...
5403 * c-decl.c (init_decl_processing): ... here.
5404 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5405 (flag_short_double, flag_short_wchar): Don't define.
5406 (record_builtin_type): New function.
5407 (build_void_list_node): New function.
5408 * c-common.h (flag_short_double, flag_short_wchar,
5409 record_builtin_type, build_void_list_node): Declare.
5411 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5413 * integrate.c (expand_inline_function): Don't put a virtual
5414 register into the reg map.
5416 * function.c (fixup_var_refs_1): If force_operand didn't put
5417 the address into the target, move it there.
5419 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5421 Special-case tree_decl/tree_list allocations.
5422 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5423 (OBJECT_SIZE): New macro.
5424 (NUM_EXTRA_ORDER): Likewise.
5425 (extra_order_size_table): New variable.
5426 (NUM_ORDERS): New macro.
5427 (objects_per_page_table): New variable.
5428 (object_size_table): New variable.
5429 (G.pages): Use NUM_ORDERS to bound the array.
5430 (G.page_tails): Likewise.
5431 (DIV_ROUND_UP): Remove.
5432 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5433 (alloc_page): Use OBJECT_SIZE.
5434 (size_lookup): Don't make it const.
5435 (ggc_alloc): Use OBJECT_SIZE.
5436 (ggc_set_mark): Likewise.
5437 (ggc_get_size): Likewise.
5438 (init_ggc): Set up the object_size_table, objects_per_page_table,
5439 and adjust size_lookup.
5440 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5441 (ggc_pop_context): Use NUM_ORDERS.
5442 (clear_marks): Likewise.
5443 (sweep_pages): Likewise.
5444 (poison_pages): Likewise.
5445 (ggc_print_statistics): Use OBJECT_SIZE.
5447 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5449 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5450 Only call array_size_for_constructor if last field and array type
5451 with no upper bound.
5453 2001-01-04 Philip Blundell <philb@gnu.org>
5455 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5456 from bit 31 downwards, if this requires no more insns.
5457 (count_insns_for_constant): New helper function for above.
5459 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5461 * gencodes.c (output_predicate_decls): Remove empty initializer.
5463 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5465 * tree.c (copy_node): Remove documentation about obstacks.
5466 (buidl1): Check that nobody tries to build 2-argument nodes this
5469 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5471 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5474 * gencodes.c (output_predicate_decls): Fill empty initializer
5477 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5479 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5480 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5482 (do_include): Handle missing headers like cpp0.
5483 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5484 paths with first include pathname. Don't strcat to uninitialized
5487 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5489 * regrename.c (regrename_optimize): Don't rename from frame pointer
5490 if frame_pointer_needed.
5491 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5492 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5493 (ia64_reorg): Use it instead of scheduling if ! optimize.
5494 (errata_emit_nops): Properly call asm_noperands.
5495 (ia64_sched_reorder): Finish cycle if we see an asm.
5496 (ia64_variable_issue): Clear scheduling state after asms.
5498 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5500 * cpp.texi: Update for -MT.
5501 * cppinit.c (initialize_dependency_output): Add a default
5502 target if none has been given already.
5503 (no_tgt, OPT_MT): New.
5504 (cpp_handle_option): Handle -MT. Update -M etc.
5505 * cpplib.h (struct cpp_options): Remove deps_target.
5506 * gcc.c (cpp_options): Handle -MT.
5507 * mkdeps.c (struct deps): Move from mkdeps.h.
5508 (deps_calc_target): Rename deps_add_default_target. Add a
5509 default target if none has been specified already.
5510 * mkdeps.h (struct deps): Move to mkdeps.c.
5511 (deps_calc_target): Rename deps_add_default_target.
5513 2000-01-03 Richard Henderson <rth@redhat.com>
5515 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5517 * c-typeck.c (push_init_level): Move checks for flexible array
5518 members and zero length arrays ...
5519 (pop_init_level): ... here. Silently discard empty initializations.
5521 * varasm.c (output_constructor): Update for sizeof change to
5524 * extend.texi (Zero Length): Clarify semantics.
5526 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5528 * configure.in (tm.h): Include isns-codes.h last.
5529 * configure: Rebuilt.
5531 2001-01-03 Richard Henderson <rth@redhat.com>
5533 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5534 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5536 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5538 * tradcpp.c (main): Make sure finclude() is called with a valid
5539 indepth value while handling -include.
5541 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5543 * gencodes.c (output_predicate_decls): New function.
5545 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5546 even if it is not the first time machmode.h is #included.
5547 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5548 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5549 * gcc.texi (Copyright): Added 2001.
5551 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5553 * c-common.c (c_common_lang_init): New function. Warn if format
5554 warning options which only have effects when used with -Wformat
5555 are used without -Wformat.
5556 * c-common.h (c_common_lang_init): Declare.
5557 * c-lang.c (lang_init): Call c_common_lang_init.
5558 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5560 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5562 * configure.in: Check for the mktemp command.
5563 * configure: Regenerate.
5564 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5565 $TEMP. Create temporary files with mktemp, if available at
5566 configure time; otherwise use set -C. Remove temporary files
5569 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5571 * configure.in: Require at least texinfo 4.0. Check for whether
5572 Pod::Man is sufficiently recent to regenerate GCC manpages.
5573 * configure: Regenerate.
5574 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5576 (GENERATED_MANPAGES): Define.
5577 (generated-manpages): New target. Depend on cpp.1 as well as
5579 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5580 configure to generated-manpages or empty) rather than on the
5581 manpages directly. Remove execute permission from installed
5582 gcov.1 as well as cpp.1.
5583 * cpp.1, gcov.1: Regenerate.
5585 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5587 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5588 tree_low_cst. Allow using cmpstrsi in more cases.
5590 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5592 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5595 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5597 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5598 * Makefile.in (HOST_CFLAGS): Mention build-make.
5600 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5602 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5605 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5607 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5610 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5613 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5614 reg_base_value and reg_known_value arrays.
5615 (init_alias_analysis): Add more cases to detect known values.
5616 * sched-deps.c (deps_may_trap_p): New function.
5617 (sched_analyze_2): Use it.
5619 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5621 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5622 don't discard an ASHIFTRT if we're shifting in a wider mode.
5624 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5626 * toplev.c (rest_of_compilation): Don't print basic block information
5627 when CFG isn't up to date.
5629 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5631 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5632 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5633 (UNALIGNED_SHORT_ASM_OP): Define.
5634 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5636 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5638 * fold-const.c (fold_convert): Fix typo.
5640 2001-01-02 Richard Henderson <rth@redhat.com>
5642 * c-common.h (ASM_INPUT_P): New.
5643 * c-parse.in (asm): Set it when needed.
5644 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5645 existance of an operand.
5647 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5649 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5650 (dwarf2out_frame_debug_expr): Likewise.
5651 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5653 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5655 * i386.c (ix86_split_to_parts): Return number of part required;
5657 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5659 (ix86_split_long_move): Use number of part returned
5660 by ix86_split_to_parts
5661 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5663 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5664 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5665 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5666 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5667 (ALIGN_MODE_128): Add TFmode.
5668 (IS_STACK_MODE): Likewise.
5669 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5670 (HARD_REGNO_OK): Support TFmodes.
5671 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5672 * i386.md (scheduler definitions): Use memory operand to determine
5673 fst/fld instructions; use mode attribute to determine real mode of
5675 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5676 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5678 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5680 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5682 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5684 * expr.c (store_constructor_field): Update ALIGN before calling
5687 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5689 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5692 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5694 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5697 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5699 * c-decl.c (start_function): Don't warn on third parameter to main.
5701 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5703 * tsystem.h: Define HAVE_DECL_GETOPT.
5705 2001-01-02 Philip Blundell <pb@futuretv.com>
5707 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5710 2001-01-02 Richard Henderson <rth@redhat.com>
5712 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5714 2001-01-02 Andreas Jaeger <aj@suse.de>
5716 * c-decl.c (c_decode_option): Remove support of
5719 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5720 (W_options): Add -Wmissing-noreturn here.
5722 * flow.c: Define lang_missing_noreturn_ok_p.
5723 (check_function_return_warnings): Use it.
5725 * c-common.h: Declare lang_missing_noreturn_ok_p.
5727 * c-lang.c (c_missing_noreturn_ok_p): New function.
5728 (lang_init): Set lang_missing_noreturn_ok_p.
5730 * invoke.texi (Warning Options): Document this.
5732 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5734 * extend.texi (C++ Extensions): New node for C++ attributes;
5735 describe init_priority and com_interface.
5736 * invoke.texi: Remove -finit-priority as it now has zero effect.
5737 * install.texi: Fix xref syntax.
5738 * md.texi: Likewise.
5740 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5742 * config.gcc (sparc64-wrs-vxworks*): New case.
5743 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5745 * config/sparc/sparc.c (sparc_override_options): Do support different
5746 pointer and architecture size.
5747 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5748 (POINTERS_EXTEND_UNSIGNED): Define.
5749 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5750 (FUNCTION_MODE): Define to be Pmode.
5751 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5753 * function.c (expand_function_end): Properly handle DECL_RESULT
5754 and copy when ptr_mode != Pmode.
5755 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5757 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5759 * c-common.c (c_common_nodes_and_builtins): Set prototype
5760 parameters for __builtin_fputs, __builtin_fputc and
5761 __builtin_fwrite. Don't declare plain fputc as a builtin.
5763 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5765 * loop.c (add_label_notes): Increment the label usage count when
5766 a note is added to an insn which refers to a CODE_LABEL.
5767 * gcse.c (add_label_notes): Likewise.
5769 2001-01-01 Andreas Jaeger <aj@suse.de>
5771 * loop.c (scan_loop): Use xmalloc to allocate movables.
5773 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5775 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5776 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5777 * reload1.c (REGISTER_MOVE_COST): Likewise.
5778 * regclass.c (REGISTER_MOVE_COST): Likewise.
5779 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5780 dimension. Adjust all users.
5781 (init_reg_sets_1): Iterate on all modes.
5782 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5783 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5784 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5785 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5786 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5787 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5788 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5789 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5790 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5791 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5792 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5793 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5794 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5795 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5796 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5797 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5798 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5799 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5800 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5801 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5802 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5803 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5804 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5805 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5806 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5807 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5808 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5810 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5812 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5813 arg VARIES_P. Call it with extra arg.
5814 (true_dependence): Likewise.
5815 * rtl.h (rtx_addr_can_trap_p): Declare.
5816 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5818 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5819 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5820 pic offset table register if it's zero. All callers changed.
5821 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5823 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5825 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5826 STRING_POOL_ADDRESS_P.
5828 * config/sparc/sparc.c (input_operand): Properly test for short op.
5830 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5831 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5832 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5833 * config/sparc/elf.h: No longer include sol2.h.
5834 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5835 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5837 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5839 2001-01-01 Michael Hayes <mhayes@redhat.com>
5841 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5842 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5843 (record_initial): Likewise.
5844 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5845 (remap_split_bivs): Likewise.
5847 2001-01-01 Michael Hayes <mhayes@redhat.com>
5849 * loop.c (loop_ivs_free): New function.
5850 (strength_reduce): Break out from...
5852 2001-01-01 Michael Hayes <mhayes@redhat.com>
5854 * loop.h (struct iv): New.
5855 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5856 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5857 'reg_biv_class' fields with 'regs' and 'n_regs'.
5858 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5859 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5860 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5862 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5864 * resource.c (mark_referenced_resources): Abort() before
5865 attempting to mark a pseudo register.
5866 (mark_set_resources): Likewise.
5868 2001-01-01 Michael Hayes <mhayes@redhat.com>
5870 * loop.h (REG_IV_CLASS): New accessor macro.
5871 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5872 * unroll.c (REG_IV_CLASS): Likewise.
5874 See ChangeLog.4 for earlier changes.