1 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
3 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
4 (dbx64_register_map): Declare.
5 (RETURN_ADDR_RTX): Fix for 64bit.
6 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
7 (INCOMING_FRAME_SP_OFFSET): Set to 8.
8 * i386.c (dbx64_register_map): New global array.
9 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
10 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
13 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
15 * cppfiles.c (search_from): Use lbasename.
16 * mkdeps.c (deps_add_default_target): Use lbasename.
18 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
20 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
21 xcalloc in lieu of malloc, realloc & calloc.
23 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
25 * gengenrtl.c (xmalloc): Likewise.
27 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
28 really_call_* memory allocation routines.
30 * stmt.c (check_for_full_enumeration_handling): Use
31 really_call_calloc, not calloc.
33 * system.h (really_call_malloc, really_call_calloc,
34 really_call_realloc): Define.
35 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
37 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
39 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
41 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
44 * configure.in: Only use `lang_requires' for languages athat are
47 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
49 * invoke.texi: Fix typo.
52 2001-03-09 Zack Weinberg <zackw@stanford.edu>
54 * configure.in: Prune nonexistent files from build_xm_file,
55 xm_file, and host_xm_file lists. Warn unless they're
57 Don't generate *config.h here.
58 AC_SUBST all variables needed to generate *config.h.
59 * configure: Regenerate.
60 * mkconfig.sh: New helper script, from code removed from
62 * Makefile.in: Zap all MALLOC variables - no longer used
63 anywhere, and malloc.c doesn't exist.
64 Substitute in variables needed to generate *config.h.
65 Stop lying about the dependencies contained in CONFIG_H and
67 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
68 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
69 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
70 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
71 $(TM_P_H), etc. as appropriate.
73 * config.gcc: Zap references to deleted files.
74 * ggc-none.c: Don't include rtl.h or tm_p.h.
76 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
77 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
78 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
79 config/i386/xm-linux.h, config/i386/xm-linux.h,
80 config/i386/xm-next.h, config/i386/xm-openbsd.h,
81 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
82 Don't include i386/xm-i386.h.
84 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
85 config/i386/xm-i386.h, config/i860/xm-i860.h,
86 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
87 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
88 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
89 Delete (empty except comments, #includes of other deleted
90 files, and macros used nowhere).
92 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
94 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
95 independent on TARGET_FLAGS.
97 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
99 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
101 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
103 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
105 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
106 LAST_REX_SSE_REG): define.
107 (enum reg_class): Add 'LEGACY_REGS'
108 (REG_CLASS_CONTENTS): Likewise; add extended registers.
109 (SSE_REGNO_P): Recognize extended registers.
110 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
111 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
112 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
113 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
114 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
115 REG_OK_FOR_STRREG_P): Remove.
116 (HI_REGISTER_NAMES): Add extended registers.
117 (ADDITIONAL_REGISTER_NAMES): Likewise.
118 (QI_REGISTER_NAMES): Add 8bit extended registers.
119 (DEBUG_REG): Support extended registers.
120 * i386.c (regclass_map): Add extended registers.
121 (dbx_register-map): Likewise.
122 (svr4_dbx_register_map): Likewise.
123 (print_reg): Support extended registers.
124 (print_operand): Support 64bit operands.
126 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
128 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
129 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
130 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
131 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
132 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
133 STACK_BOUNDARY): Set properly for 64bits.
134 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
135 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
136 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
137 (MOVE_MAX): Set to 16.
138 (MOVE_MAX_PIECES): 8 for 64bit.
139 (Pmode): Set to SImode.
141 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
143 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
145 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
147 * i386.h (mask_64bit): New constant.
148 (target_64bit): New macro.
149 (target_options): Add '64'/'32'
150 (target_default): Define.
151 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
152 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
153 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
155 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
157 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
159 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
161 * rtlanal.c (rtx_varies_p): Check operand 0 of a
162 LO_SUM unless for_alias is set.
164 2001-03-08 Stan Shebs <shebs@apple.com>
166 * objc/objc-act.c: Fix old typos in comments, add comments for
168 (hash_init): Fix file name in error message.
170 (hash_add_attr): Ditto.
171 (continue_class): Ditto.
173 2001-03-08 Bruce Korb <bkorb@gnu.org>
175 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
176 wait4() can receive the signal.
178 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
180 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
182 * fixinc/fixincl.x: Regenerate.
184 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
186 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
188 * fixinc/fixincl.x: Regenerate.
190 2001-03-08 Richard Henderson <rth@redhat.com>
192 * configure.in (HAVE_AS_LEB128): New assembler check.
193 * configure, config.in: Rebuilt.
195 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
197 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
200 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
202 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
203 references to the MAXPATHLEN macro.
205 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
206 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
209 * config/i386/xm-gnu.h, config/xm-gnu.h,
210 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
211 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
212 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
215 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
216 doing so in various xm-*.h files.
218 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
220 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
222 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
224 * configure.in (enable_shared): Support per-package shared-library
226 * configure: Rebuilt.
228 2001-03-07 David Edelsohn <edelsohn@gnu.org>
230 * rs6000.md (cr logic): Add original POWER mnemonic alternative
231 for crnot. Set operands[5] in splitter.
233 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
235 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
236 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
237 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
238 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
239 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
240 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
241 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
244 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
245 config/i370/xm-i370.h, config/i386/xm-dgux.h,
246 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
247 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
248 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
249 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
250 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
251 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
252 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
253 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
254 Delete unused and/or empty files.
256 * config.gcc: Define USG in xm_defines as appropriate. Define
257 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
258 macro. Remove deleted xm-* files from $xm_files variable.
260 2001-03-07 Tom Tromey <tromey@redhat.com>
262 * configure: Rebuilt.
263 * configure.in: Allow config-lang.in to set `lang_requires' to list
264 of other required languages.
266 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
268 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
270 (output_prologue): Use xmalloc not oballoc.
271 (output_epilog): Free a29k_first_epilogue_insn when finished.
272 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
274 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
276 * builtins.c (expand_builtin_mathfn): Check
277 flag_unsafe_math_optimizations, not flag_fast_math.
278 (expand_builtin): Likewise
279 * combine.c (combine_simplify_rtx): Likewise.
280 (simplify_if_then_else): Likewise.
281 * cse.c (fold_rtx): Likewise.
282 * flags.h: Remove flag_fast_math. Add
283 flag_unsafe_math_optimizations and flag_trapping_math.
284 * fold-const.c (negate_expr): Check
285 flag_unsafe_math_optimizations, not flag_fast_math.
286 (invert_truthvalue): Likewise.
287 (fold): Likewise. Before associating operands, check that
288 code == MULT_EXPR, not code != MULT_EXPR.
289 * ifcvt.c (noce_try_minmax): Check
290 flag_unsafe_math_optimizations, not flag_fast_math.
291 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
292 * invoke.texi: Document -funsafe-math-optimizations and
293 -fno-trapping-math. Change documentation for -ffast-math.
294 * jump.c (reversed_comparison_code_parts): Likewise.
295 (rtx_equal_for_thread_p): Likewise.
296 * optabs.c (emit_conditional_move): Likewise.
297 * simplify-rtx.c (simplify_binary_operation): Likewise.
298 (simplify_relational_operation): Likewise.
299 (simplify_ternary_operation): Likewise.
300 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
301 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
302 Add trapping-math and unsafe-math-optimizations entries to f_options.
303 (set_fast_math_flags): New, sets flags for -ffast-math.
304 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
305 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
306 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
308 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
309 (alpha_emit_conditional_move): Initialize local_fast_math to
310 flag_unsafe_math_optimizations, not flat_fast_math.
311 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
312 instead of setting flag_fast_math to 1.
313 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
315 * config/i386/i386.c (override_options): Likewise
316 * config/i386/i386.md: Likewise.
317 * config/m68k/m68k.md: Likewise.
318 * config/mips/mips.md: Likewise.
319 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
320 (rs6000_generate_compare): Likewise.
322 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
324 * Makefile.in: Set RANLIB to @RANLIB@.
327 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
329 * fixinc/inclhack.def (djgpp_wchar_h): New test.
330 * fixinc/fixincl.x: Regenerated.
332 2001-03-07 Richard Henderson <rth@redhat.com>
334 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
336 2001-03-07 Richard Henderson <rth@redhat.com>
338 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
339 of block notes and exception handling notes.
341 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
342 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
343 (compile_file): ... here.
345 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
347 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
349 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
350 config.h now. Include libiberty.h to handle alloca.
352 2001-03-06 Zack Weinberg <zackw@stanford.edu>
354 * c-parse.in (yylexname): New function, split out of _yylex.
355 (objc_rid_sans_at): New table.
356 (init_reswords): Initialize it.
357 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
358 retrieving the next token and checking it for significance as
359 an ObjC keyword or string constant.
361 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
362 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
364 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
367 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
369 * config/m68k/m68k.c (const_uint32_operand): Accept any
370 const_int on a 32-bit host.
372 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
374 * objc/objc-act.c (init_objc): Set save_lang_status,
375 restore_lang_status, and mark_lang_status.
377 2001-03-06 Krister Walfridsson <cato@df.lth.se>
379 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
381 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
383 * cppinternals.texi: Update.
385 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
387 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
388 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
389 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
390 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
391 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
392 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
393 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
394 config/i386/xm-i386.h, config/i860/xm-i860.h,
395 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
396 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
397 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
398 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
399 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
400 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
401 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
402 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
403 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
404 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
405 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
406 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
407 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
408 match the defaults provided in hwint.h.
410 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
411 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
413 * config.gcc (xm_file): Don't set to files which are deleted.
415 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
416 guard this file against these macros being undefined.
418 2001-03-06 Zack Weinberg <zackw@stanford.edu>
420 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
421 and DECL_DEFER_OUTPUT on the decl we create, before calling
422 rest_of_decl_compilation.
424 2001-03-06 Zack Weinberg <zackw@stanford.edu>
426 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
428 * configure, config.in: Regenerate.
429 * config.gcc: Remove references to deleted files.
431 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
432 genrecog.c, rtl.c: Do not use alloca anywhere.
434 * Makefile.in, build-make, system.h, config/x-interix,
435 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
436 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
437 config/arc/xm-arc.h, config/arm/xm-arm.h,
438 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
439 config/h8300/xm-h8300.h, config/i370/x-oe,
440 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
441 config/i386/x-ncr3000, config/i386/x-sco5,
442 config/i386/xm-dgux.h, config/i860/x-sysv4,
443 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
444 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
445 config/m68k/x-hp320g, config/m69k/x-mot3300,
446 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
447 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
448 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
449 config/m88k/x-sysv4, config/m88k/x-tekXD88,
450 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
451 config/mips/x-iris, config/mips/x-iris3,
452 config/mips/x-sni-svr4, config/mips/x-sysv,
453 config/mips/xm-iris6.h, config/mips/xm-mips.h,
454 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
455 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
456 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
457 config/pa/xm-papro.h, config/romp/xm-romp.h,
458 config/rs6000/x-aix31, config/rs6000/x-aix41,
459 config/rs6000/x-beos, config/rs6000/x-lynx,
460 config/rs6000/x-mach, config/rs6000/x-rs6000,
461 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
462 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
463 config/sparc/x-sysv4, config/sparc/xm-linux.h,
464 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
465 config/vax/xm-vms.h: Eradicate all references to alloca and
468 * config/xm-alloca.h, config/clipper/x-clix,
469 config/i386/xm-sysv4.h, config/i860/x-fx2800,
470 config/i860/x-sysv3, config/m88k/x-sysv3,
471 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
472 (contained only alloca related hacks).
474 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
477 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
479 * invoke.texi: Document __FAST_MATH__.
481 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
483 * crtstuff.c: Restore include of auto-host.h.
485 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
487 Put main() in a separate file, so that the language
488 front-end can use a different main().
491 * toplev.c: (main): Rename as toplev_main.
492 * toplev.h: Declare toplev_main.
493 * Makefile.in (OBJS): add toplev.o.
494 (BACKEND): remove toplev.o, add main.o.
496 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
498 * cppfiles.c (search_from): Special case the empty string.
500 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
502 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
503 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
504 strlen or strcpy; we already know the length.
505 (_cpp_compare_file_date): Similarly.
506 * cpphash.h (struct cpp_reader): Delete done_initialising.
507 (CPP_PREV_BUFFER): Delete.
508 * cppinit.c (cpp_start_read): Don't set done_initialising.
509 * cpplex.c (parse_string): Guarantee null-termination.
510 (_cpp_equiv_toklists): Remove.
511 * cpplib.c (glue_header_name): Null-terminate.
512 (do_line): Don't leak memory.
513 * cpplib.h (BT_WEAK): Delete.
514 * cppmain.c (cb_ident): Strings are now null-terminated.
516 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
518 * gcc.c (convert_filename): Append executable suffix
519 if NO_AUTO_EXE_SUFFIX is not defined.
520 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
521 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
523 2001-03-03 David O'Brien <obrien@FreeBSD.org>
525 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
526 * c-parse.gperf, c-gperf.h: Delete.
527 (c-gperf.h was accidently re-added to the CVS repo in the rev
528 1.16 commit by tromey)
530 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
532 * cpplex.c (_cpp_lex_token): Don't warn about directives in
533 macro arguments when looking for the '('.
534 * cppmacro.c (funlike_invocation_p): Set parsing_args to
535 2 when really parsing arguments; 1 when looking for '('.
536 Always restore the lexer position.
538 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
540 * longlong.h (umul_ppmm): Don't use a multiline string.
542 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
544 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
545 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
546 t_bool in declaration because pcc can't combine volatile with typedef
549 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
551 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
552 until when it is really needed.
553 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
554 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
555 * i386.md (float?i?f splitter): Don't force source operand to memory
557 (sse_movdfcc): Fix constraint.
558 (sse_movdfcc splitter): Handle properly the second alternative.
560 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
562 * cpplex.c (parse_string): Unconditionally pedwarn.
564 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
567 * cppexp.c (parse_number): Update.
568 * cpplex.c (parse_string): Pedwarn if multiline string does not
569 result from a system header's macro.
570 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
571 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
572 for function-like macros too.
573 * c-lex.c (lex_number): Update.
575 2001-03-03 Richard Henderson <rth@redhat.com>
577 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
579 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
581 * combine.c (try_combine): If split with mode-changed scratch
582 register didn't work, try the original mode.
584 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
586 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
587 * config/c4x/c4x.h: Likewise.
588 * stor-layout.c (compute_record_mode): Likewise.
589 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
591 2001-03-02 Zack Weinberg <zackw@stanford.edu>
593 * configure.in: Kill tm.h. Include the files in the $tm_file
594 list in all three of config.h, hconfig.h, tconfig.h, after the
595 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
596 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
597 * configure: Regenerate.
598 * Makefile.in (clean): Don't delete tm.h.
600 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
601 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
602 those are not defined, set SEC and FEC to 0 and 1.
603 * gcc.texi: Update to match.
605 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
606 * config/fp-bit.c, config/m68k/aux-crt2.asm,
607 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
608 Include tconfig.h, not tm.h.
610 * config/xm-lynx.h, config/xm-std32.h,
611 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
612 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
613 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
614 config/clipper/xm-clix.h, config/convex/xm-convex.h,
615 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
616 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
617 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
618 config/i386/xm-i386.h, config/i860/xm-i860.h,
619 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
620 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
621 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
622 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
623 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
624 config/pa/xm-linux.h, config/pa/xm-pa.h,
625 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
626 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
627 config/pj/xm-pj.h, config/romp/xm-romp.h,
628 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
629 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
630 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
631 config/v850/xm-v850.h, config/vax/xm-vax.h,
632 config/we32k/xm-we32k.h:
634 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
636 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
637 config/i370/xm-oe.h: Don't include tm.h. Don't define
639 * config/vax/xm-vms.h: Don't include tm.h.
641 * config/xm-lynx.h, config/avr/xm-avr.h,
642 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
643 Delete; made empty by above changes.
644 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
645 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
646 Don't include config/xm-lynx.h or tm.h.
648 * config/xm-gnu.h: Don't include fcntl.h.
649 * config/sparc/xm-lynx.h: Don't include sys/types.h and
651 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
653 2001-03-02 Richard Henderson <rth@redhat.com>
655 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
656 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
658 2001-03-02 Richard Henderson <rth@redhat.com>
660 * Makefile.in (OBJS): Add dwarf2asm.o.
661 * dwarf2asm.c, dwarf2asm.h: New files.
662 * dwarf2out.c (*): Use them.
663 (size_of_uleb128, size_of_sleb128): Remove.
664 (output_uleb128, output_sleb128): Remove.
665 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
666 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
667 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
668 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
669 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
670 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
671 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
672 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
673 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
674 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
675 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
676 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
677 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
678 (dwarf2out_frame_debug): Remove unused variables.
679 (output_loc_operands): Don't abort on 8 byte constants if
680 host integers are wide enough.
681 (output_symbolic_ref): Remove.
682 (size_of_die): Don't assume 4 byte host integers.
683 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
685 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
686 something stupid with HOST_WIDE_INT to long truncation.
687 [CONST_DOUBLE]: Likewise.
689 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
690 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
691 * config/arm/unknown-elf.h: Likewise.
692 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
693 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
694 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
695 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
696 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
697 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
698 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
699 (ASM_OUTPUT_DWARF_OFFSET): Remove.
700 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
701 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
702 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
703 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
705 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
707 * cselib.c (hash_rtx): Cast enums to unsigned int.
709 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
711 * print-rtl.c (print_rtx): Cast enums to int for comparison.
712 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
714 * c-format.c (C_STD_VER): Cast to int for comparisons.
715 (check_function_format): Cast various enums to int for &.
716 (maybe_read_dollar_number): Likewise.
717 (check_format_info): Likewise.
718 (check_format_info_main): Likewise.
719 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
720 (safe_from_p): Likewise.
721 * varasm.c (const_hash): Cast enum to int for %.
722 * emit-rtl.c (init_emit_once): Use int loop variable to work around
723 pcc enum problems with < and ++ operators.
724 * regclass.c (init_reg_sets_1): Cast enums for comparison.
725 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
726 (regclass_init): Change enum class to int to iterate over reg_classes.
727 * genrecog.c (merge_trees): Cast enums for comparison.
728 * rtl.h (GET_CODE): Cast to enum rtx_code.
729 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
730 (GET_MODE): Cast to enum machine_mode.
731 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
732 (GET_NOTE_INSN_NAME): Cast enum to int.
733 * tree.h (TREE_CODE): Cast to enum tree_code.
734 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
735 * timevar.c (timevar_print): Change loop variable id from enum to
737 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
738 * config/i386/i386.md: Use PUT_MODE for mode assignment.
739 * toplev.c (compile_file): Cast enum DFI to int.
740 (decode_d_option): Likewise.
742 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
744 * cppinit.c (append_include_chain): Mark "after" include file name list
745 as a system directory.
746 * cpp.texi: Document new behavior.
748 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
750 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
752 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
754 * cppfiles.c (struct include_file): Update.
755 (stack_include_file): Use search_from.
756 (cpp_included, find_include_file): Update.
757 (cpp_execute_include): Update. ptr->name may not be
758 null terminated. Use the new search_from member variable
760 (_cpp_compare_file_date): Similarly.
761 (search_from): New function, similiar to actual_directory.
762 (actual_directory): Delete.
763 (remap_filename): Update. loc->name may not be null terminated.
764 (struct file_name_list): Rename search_path. Update.
765 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
767 (struct cpp_reader): Remove actual_dirs.
768 * cppinit.c (struct cpp_pending): Update for renamed objects.
769 (append_include_chain, remove_dup_dir, remove_dup_dirs,
770 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
771 * cpplib.h (struct cpp_options): Similarly.
773 2001-03-01 Zack Weinberg <zackw@stanford.edu>
775 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
776 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
777 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
778 config/clipper/xm-clix.h, config/convex/xm-convex.h,
779 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
780 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
781 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
782 config/i370/xm-linux.h, config/i370/xm-mvs.h,
783 config/i370/xm-oe.h, config/i386/xm-aix.h,
784 config/i386/xm-i386.h, config/i386/xm-osf.h,
785 config/i860/xm-i860.h, config/i960/xm-i960.h,
786 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
787 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
788 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
789 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
790 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
791 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
792 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
793 config/pj/xm-pj.h, config/romp/xm-romp.h,
794 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
795 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
796 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
797 config/v850/xm-v850.h, config/vax/xm-vax.h,
798 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
799 Do not define TRUE or FALSE.
801 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
802 empty by above change.
803 * config.gcc: Remove references to these files.
805 * configure.in: Detect stdbool.h.
806 * configure, config.in: Regenerate.
807 * system.h: Include stddef.h here if available.
808 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
809 Then set up a sensible boolean type at the very end.
811 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
812 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
814 * hash.h: Delete 'boolean' typedef and related #undefs.
816 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
817 all uses of 'boolean' with 'bool'.
819 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
821 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
822 * cppexp.c (lex): Cast enums for comparison.
823 * cppinit.c (parse_option): Cast enum for comparison.
824 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
825 (cpp_output_token): Likewise.
826 (cpp_can_paste): Cast enums for comparsion and plus/minus.
827 (cpp_avoid_paste): Cast enums for minus and comparison.
829 2001-03-01 Zack Weinberg <zackw@stanford.edu>
831 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
832 field to all array elements.
834 2001-03-01 Zack Weinberg <zackw@stanford.edu>
836 * cpphash.h (struct cpp_reader): Add print_version field.
837 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
838 just set print_version and other flags as appropriate.
839 (cpp_post_options): Print version here if print_version is set.
841 * toplev.c (exit_after_options): New flag.
842 (independent_decode_option): Don't exit here; just set
844 (main): Exit after calling lang_hooks.post_options if
845 exit_after_options is true.
847 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
848 (merge_include_chains): Adjust comment to match code.
850 2001-03-01 Zack Weinberg <zackw@stanford.edu>
852 * stringpool.c (set_identifier): New function.
853 * tree.h: Prototype it.
855 * c-parse.in: Kill D_YES. If compiled for objc, call
856 save_and_forget_protocol_qualifiers from init_reswords.
857 * objc/objc-act.c (remember_protocol_qualifiers,
858 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
859 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
861 (save_and_forget_protocol_qualifiers): New function.
862 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
864 2001-03-01 Diego Novillo <dnovillo@redhat.com>
866 * c-semantics.c (prune_unused_decls): Return error_mark_node
867 instead of (tree) 1 to stop traversing the tree chain.
869 2001-03-01 Bernd Schmidt <bernds@redhat.com>
871 Fix a problem introduced by Kenner's Feb 18 change.
872 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
873 flag_cse_skip_blocks only temporarily, not for ever.
875 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
877 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
878 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
880 * pa.c (emit_move_sequence): Verify operand0 is a hard register
881 before determining its register class.
883 2001-03-01 Bernd Schmidt <bernds@redhat.com>
885 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
886 from reg 4 if current_function_calls_setjmp.
887 (gen_nop_type): New function.
888 (ia64_emit_nops): New function.
889 (ia64_reorg): Call it.
890 (ia64_sched_reorder): Move code that rotates bundles up a bit.
892 * reload1.c (eliminate_regs_in_insn): Restrict the special case
893 code not to try to optimize adds with anything but a REG destination.
895 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
896 (INSN_PRIORITY_KNOWN): New accessor macro.
897 * haifa-sched.c (priority): Use it instead of testing priority against
900 2001-02-28 DJ Delorie <dj@redhat.com>
902 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
903 since that doesn't work the way gcc wants on a generic m68k.
905 2001-02-28 Richard Henderson <rth@redhat.com>
907 * caller-save.c (save_call_clobbered_regs): Fix typo in
908 comparison last change.
910 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
912 * i386.c (pentium4_cost): New.
913 (m_PENT4): New macro.
914 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
915 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
916 x86_integer_DFmode_moves, x86_partial_reg_dependency,
917 x86_memory_mismatch_stall): Add Pentium4
918 (x86_use_q_reg, x86_use_any_reg): Kill.
919 (override_options): Add pentium4.
920 (incdec_operand): Return 0 for pentium4.
921 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
922 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
923 (TARGET_PENTIUM4): Define.
924 (enum processor_type): Add PROCESSOR_PENTIUM4.
925 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
926 * i386.md (attribute "cpu"): Add pentium4.
927 * invoke.texi (march): Add pentium4.
929 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
931 * i386.md (sse_mov?fcc*): New patterns and splitters.
932 * i386.c (ix86_expand_movcc): Work post-reload; recognize
933 the SSE based conditional moves.
935 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
937 * i386.md (attribute mode): Add "TI".
938 (movsf_1): Add pxor support; remove constant propagation splitter.
939 (movdf_integer): Likewise.
940 (movdf_nointeger): Likewise.
941 (movxf constant prop splitter): Handle all modes; update for SSE.
942 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
943 * i386.c (standard_80387_constant_p): Rewrite.
944 (standard_sse_constant_p): New.
945 * i386-protos.h (standard_sse_constant_p): New.
947 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
949 * i386.md (sse_setccsf, sse_setccdf): New.
950 (sse_cmp* patterns): Use '%D' instead of outputtting condition
952 * i386.c (sse_comparison_operator): Accept the supported unordered
953 comparses; be ready for fast_math.
954 (print_operand): Support 'D'.
956 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
958 * jump.c (reversed_comparison_code): Kill.
960 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
962 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
965 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
967 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
968 add missing '%' in constraints.
970 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
972 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
973 for HOST_BITS_PER_WIDE_INT == 32 too.
975 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
977 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
979 (insert_save, insert_restore): New parameter save_mode.
980 (init_caller_save): Update initialization of reg_save_code
981 and reg_restore_code.
982 (save_call_clobbered_regs): Compute save_modes and update calls to
983 reg_save_code and reg_restore_code.
984 (insert_restore): Unsignetize numbers; use save_modes to choose mode
985 of spill; update use of reg_restore_code.
986 (insert_save): Likewise.
987 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
988 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
989 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
991 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
993 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
994 noce_try_store_flag_inc, noce_try_store_flag_mask,
995 noce_try_cmove_arith):
996 Use reversed_comparison_code instead of reverse_comparison and
997 can_reverse_comparison_p.
999 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1001 * jump.c (reversed_comparison_code_parts): Allow reversal of
1002 unordered compares in -ffast-math mode; reverse ordered compares
1003 for FP even w/o -ffast-math.
1005 2001-02-27 Richard Henderson <rth@redhat.com>
1007 * print-rtl.c (print_rtx) [i]: Don't print field five on
1008 NOTEs other than NOTE_INSN_DELETED_LABEL.
1010 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1012 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1013 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1015 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1017 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1018 even if walk_subtrees is 0.
1019 * c-semantics.c (prune_unused_decls): Return a non-null value to
1020 stop traversing the tree chain.
1022 2001-02-27 DJ Delorie <dj@redhat.com>
1024 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1025 register, *then* define it as the new CFA.
1027 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1029 * pa.c (override_options): Promote -fpic to -fPIC.
1030 (legitimize_pic_address): Simplify due to removal of
1031 small PIC as a code generation option.
1032 (secondary_reload_class): Similarly.
1033 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1034 (PRINT_OPERAND_ADDRESS): Similarly.
1035 * pa.md (various patterns): Similarly.
1036 (small pic lo_sum pattern): Remove.
1038 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1041 * md.texi (min, max): Document
1043 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1045 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1046 TARGET_PARTIAL_REG_DEPENDENCY.
1047 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1049 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1051 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1053 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1055 * mips.c (mips_make_temp_file): Fix thinko in last change.
1057 2001-02-26 Jason Eckhardt <jle@redhat.com>
1059 * combine.c (known_cond): Do not reverse the condition when
1060 SMAX/UMAX is being considered and the condition is for equality
1063 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1065 2001-02-26 Philip Blundell <philb@gnu.org>
1067 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1069 * config/arm/linux-elf.h: Remove historical relics related to
1070 above configurations.
1071 * config/arm/linux-oldld.h: Delete.
1072 * config/arm/linux-elf26.h: Delete.
1074 2001-02-26 Jason Merrill <jason@redhat.com>
1076 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1078 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1079 recognize a tentative definition. Lose obsolete code.
1081 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1082 variables unless necessary, either.
1084 2001-02-25 Richard Henderson <rth@redhat.com>
1086 * ifcvt.c (struct noce_if_info): Add test_bb.
1087 (noce_get_alt_condition): New.
1088 (noce_try_minmax, noce_try_abs): New.
1089 (noce_operand_ok): New.
1090 (noce_process_if_block): Use them.
1091 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1093 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1095 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1098 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1100 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1101 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1103 (mips_asm_file_end): Free temp_filename here.
1105 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1107 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1108 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1110 * config/i386/i386.md (movstrsi): Handle FAIL case.
1112 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1114 * cppinit.c (builtin_array): Update.
1115 (init_builtins): Flag builtins to warn if redefined or
1116 undefined. Define __GXX_WEAK as a normal macro.
1117 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1118 * cpplib.h (NODE_WARN): New flag.
1119 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1120 Handle __STDC__ as a builtin only on Solaris.
1121 (warn_of_redefinition): Renamed from check_macro_definition.
1122 Reverse sense of test. Always warn if NODE_WARN.
1123 (_cpp_create_definition): Use warn_of_redefinition. Flag
1124 any macro beginning with "__STDC_" to require a mandatory
1125 warning if redefined or undefined.
1127 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1129 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1130 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1131 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1132 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1133 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1134 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1135 Don't define any of:
1136 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1137 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1138 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1139 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1140 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1142 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1143 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1146 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1147 Delete now-empty file.
1149 * alpha/vms.h: Define NEED_ATEXIT here...
1150 * alpha/xm-vms.h: ...not here.
1152 * i386/cygwin.h: Don't define PARAMS.
1153 * mips/mips.c: Don't prototype mktemp. Don't define
1154 P_tmpdir. Use make_temp_file to create temporary files.
1155 Don't be clever and delete temporary files early.
1156 * config.gcc: Drop references to deleted files. Don't define
1158 * gcc.texi: Don't mention USE_PROTOTYPES.
1160 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1162 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1163 (ix86_set_move_mem_attrs_1): Likewise.
1164 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1165 * config/i386/i386.md (movstrsi): Call it.
1167 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1169 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1170 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1171 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1172 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1174 (i750a-*-*): Error here if hosting on i750a.
1175 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1177 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1178 Remove (empty modulo comments).
1180 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1181 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1182 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1183 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1184 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1185 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1187 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1188 Remove reference to winnt.h in comment.
1189 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1191 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1193 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1194 used to set another biv.
1196 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1198 * tree.h (BLOCK_DEAD): New macro.
1199 (struct tree_block): New flag, dead_flag.
1200 * print-tree.c (print_node, case 'b'): Print missing fields.
1201 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1202 * function.c (identify_blocks): Enable test for misplaced notes.
1203 (all_blocks): Skip BLOCK_DEAD blocks.
1204 * integrate.c (integrate_decl_tree): Likewise.
1206 * errors.c (internal_error, trim_filename): New functions.
1207 (fancy_abort): Call internal_error.
1208 * errors.h (internal_error, trim_filename): New declarations.
1210 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1212 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1214 (EXTRA_CONSTRAINT): Formatting changes.
1216 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1218 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1220 2001-02-23 Per Bothner <per@bothner.com>
1222 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1223 so they can be called from java/jvspec.c.
1224 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1226 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1228 * i386.c (ix86_frame): New structure.
1229 (ix86_compute_frame_size): Kill.
1230 (ix86_compute_frame_layout): New.
1231 (ix86_save_reg): New.
1232 (ix86_can_use_return_insn_p): Use frame layout stuff.
1233 (ix86_expand_prologue): Likewise.
1234 (ix86_expand_epilogue): Likewise.
1235 (ix86_initial_elimination_offset): Likewise.
1236 (ix86_nsaved_regs): Use ix86_save_reg.
1237 (ix86_emit_save_regs): Likewise.
1239 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1241 * flow.c (find_sub_basic_blocks): New function.
1242 (split_block): Be ready for basic block introduced by CODE_LABEL.
1243 (commit_one_edge_insertion): Call find_sub_basic_block.
1245 * flow.c (make_edges): Add edge from entry for blocks starting with
1246 label having ALTERNATE_NAME
1248 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1250 * function.c (epilogue_done): Be ready for first basic block not
1251 containing PROLOGUE_END note.
1252 (reposition_prologue_and_epilogue_notes): Avoid placing
1253 PROLOGUE_END note between BASIC_BLOCK.
1255 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1257 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1259 2001-02-21 DJ Delorie <dj@redhat.com>
1261 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1262 check for current_function_has_nonlocal_goto from 1999-11-12.
1264 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1266 * diagnostic.c (trim_filename): No longer static.
1267 * toplev.h (trim_filename): Declare.
1268 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1269 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1270 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1271 (rtvec_check_failed_bounds): Likewise.
1272 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1274 * convert.c (convert_to_integer): Don't do unsigned unless result or
1275 both inputs are unsigned.
1277 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1280 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1282 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1284 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1286 * Makefile.in (resource.o): Add params.h dependence.
1287 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1288 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1289 * resource.c: Add dependence on params.h.
1290 (current_live_regs): Fix explanatory comment.
1291 (find_basic_block): Add new parameter to permit limiting search
1293 (mark_target_live_regs): Add new argument to find_basic_block call.
1294 (incr_ticks_for_insn): Likewise.
1296 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1298 * diagnostic.c (output_to_stream): Rename to
1299 output_buffer_to_stream. Loses the stream parameter.
1300 (init_output_buffer): Set diagnosic_buffer's stream.
1301 (flush_diagnostic_buffer): Adjust.
1302 (default_print_error_function): Likewise.
1303 (finish_diagnostic): Likewise.
1304 (verbatim): Likewise.
1306 * diagnostic.h (struct output_buffer): Add `stream' field.
1307 (output_buffer_attached_stream): New macro.
1309 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1311 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1312 check if either operand is divisible by C.
1313 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1314 If type is signed, consider negative numbers as well.
1316 2001-02-22 Richard Henderson <rth@redhat.com>
1318 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1319 reach .text instead of gp-relative relocs.
1320 * config/ia64/crtend.asm (.init): Likewise.
1322 2001-02-22 Andreas Jaeger <aj@suse.de>
1324 * extend.texi (C++ Attributes): Fix typo.
1326 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1328 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1329 functions, drop current_function_args_info.words test.
1330 (ia64_compute_frame_size): Mark syscall_linkage functions as
1331 using eight input registers.
1333 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1334 Bruce Korb <bkorb@gnu.org>
1336 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1337 * fixinc/README: Document how to convert sed substitutions
1338 to format style c_fix-es.
1339 * fixinc/fixincl.x: regen
1341 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1343 * gcc.c: Add comment explaining how to add a command-line option.
1344 Add title to specs language comment.
1346 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1348 * gcc.c (cc1_options): Add "-param".
1349 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1350 (option_map): Likewise.
1351 * toplev.c (display_help): Add entry for "--param".
1352 (independent_decode_option): Fix typographical error.
1354 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1355 Bernd Schmidt <bernds@redhat.com>
1356 Jan Hubicka <jh@suse.cz>
1358 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1359 (function_arg): Likewise.
1361 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1363 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1365 2001-02-21 Kazu Hirata <kazu@hxi.com>
1367 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1371 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1373 * flow.c (init_propagate_block_info): Canon address and use single_set
1374 for killing dead memory stores.
1376 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1378 * Makefile.in (reorg.o): Add params.h dependence.
1379 * params.def: Fix typographical error in comment.
1380 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1381 * params.h: Modify introductory comment.
1382 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1383 * reorg.c: Add dependence on params.h.
1384 (redundant_insn): Add parameterized throttle for search.
1385 (fill_simple_delay_slots): Add a comment explaining a variable.
1386 Move conditional out of loop, simplifying code.
1387 (fill_eager_delay_slots): Fix typographical error in comment.
1389 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1391 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1393 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1394 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1396 2001-02-21 Jason Merrill <jason@redhat.com>
1398 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1399 (struct tree_decl): Add uninlinable bitfield.
1400 * c-decl.c (duplicate_decls): Set it.
1401 * integrate.c (function_cannot_inline_p): Check it.
1403 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1404 DW_AT_MIPS_linkage_name to abstract methods.
1405 (dwarf2out_abstract_function): Emit class context before calling
1406 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1407 (gen_subprogram_die): Remove obsolete code.
1408 (gen_member_die): Don't include clones in the member list.
1409 (gen_decl_die): Emit abstract info for clone origin.
1410 * dwarfout.c (output_type): Don't include clones in the member list.
1411 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1412 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1413 DECL_ABSTRACT on a function that already has it set.
1415 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1416 (get_subprogram_die): Pass it in.
1418 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1420 * flow.c (mark_set_1): Make not_dead unsigned long. For
1421 non-pseudos, use it as a bitmask of the hard regs that
1424 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1426 * cppfiles.c: Update comments.
1427 (_cpp_read_file): Don't check for NULL filenames any more.
1428 * cppinit.c (cpp_start_read): Don't do canonicalization of
1429 in_fname and out_fname. Use the passed file name exclusively.
1430 (_cpp_handle_options): Don't treat "-" as a command line option,
1431 but as a normal filename.
1432 (_cpp_post_options): Canonicalize in_fname and out_fname.
1433 * cppmain.c (printer_init): Don't check out_fname for NULL.
1434 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1435 (init_c_lex): Update, and use "" to represent stdin to CPP.
1438 2001-02-20 Will Cohen <wcohen@redhat.com>
1440 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1441 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1442 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1445 2001-02-20 Stan Shebs <shebs@apple.com>
1447 * config/rs6000/rs6000.c (output_cbranch): Output branches
1448 on separate lines instead of using ';' to separate.
1450 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1452 * cppinit.c (set_lang): Move builtin handling to...
1453 (init_builtins): ...here.
1454 (_cpp_create_reader): Move call to set_lang.
1456 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1458 * stmt.c (expand_return): If an attempt is made to return the
1459 error_mar_node, treat the return like a return without a value.
1461 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1463 * sibcall.c (skip_copy_to_return_value): Call
1464 identify_call_return_value here, and return orig_insn if it
1465 returns zero. Hardret and softret arguments now unnecessary.
1466 (call_ends_block_p): Don't call identify_call_return_value here.
1468 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1470 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1471 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1473 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1475 * pa.c (move_operand): Accept code to load the address of a
1476 symbol out of the DLT as a valid move operand.
1477 (print_operand, case 'A'): New to handle generating a DLT
1478 reference for a LO_SUM expression.
1479 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1480 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1482 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1484 * README, cpp.texi, gcc.texi, version.c: Update version number to
1486 * cpp.1, gcov.1, gcc.1: Regenerate.
1488 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1490 * cppfiles.c (stack_include_file): Generate dependencies
1491 here, and manage include_count here too.
1492 (PRINT_THIS_DEP): Delete.
1493 (_cpp_execute_include): Do not generate dependencies here,
1494 apart from the case of a missing header. Do not manage
1496 (_cpp_read_file): Leave dependency generation to
1499 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1501 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1502 target_cpu_default. Remove dead assignment to
1505 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1507 * regclass.c (contains_reg_of_mode): Make global.
1508 (init_reg_sets): Remove contains_reg_of_mode; take into account
1509 CLASS_MAX_NREGS when looking for the proper mode.
1510 (dump_regclass): Dump only classes considered for the pseudo.
1511 (regclass): Use contains_reg_of_mode.
1513 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1515 * gcc.c (do_spec_1): 'n' for printing notices.
1516 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1518 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1520 * reg-stack.c (next_flags_user): Use current_block->end
1521 (swap_rtx_condition): Look for next user if flags don't die;
1522 give up on CALL_INSNs; use current_block->end.
1524 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1526 * sibcall.c (call_ends_block_p): New function.
1527 (optimize_sibling_and_tail_recursive_call): Use it.
1529 2001-02-18 Kazu Hirata <kazu@hxi.com>
1531 * config/h8300/h8300.md: Update copyright.
1532 (andsi3): Do not output an extra newline character.
1534 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1536 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1537 FNDECL may be unused.
1539 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1540 follow jumps after first run.
1541 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1542 it doesn't change any jumps.
1544 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1546 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1547 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1548 (mostlyclean): Corresponding changes.
1549 * rtlanal.c (hard-reg-set.h): Include.
1550 (rtx_unstable_p): Do not treat the argument pointer specially
1551 if it is not a fixed register.
1552 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1554 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1556 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1557 against last real insn in basic block.
1558 Rework to avoid gotos.
1560 * Makefile.in (gcse.o): Now includes ggc.h.
1561 * gcse.c: Include ggc.h.
1562 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1563 (try_replace_reg): Remove warning of uninitialize variable.
1564 (process_insert_insn): Call invalid_insn_p to validate insn.
1565 * recog.c (insn_invalid_p): Now global.
1566 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1567 * recog.h (insn_invalid_p): New declaration.
1569 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1571 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1572 assignments from FP constants since 'Y' output code can't handle it.
1573 (eligible_for_sibcall_delay): Likewise.
1575 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1576 Call fancy_abort directly, passing args.
1577 (print_rtl_and_abort): Now a macro, like fancy_abort.
1579 * final.c (output_operand_lossage): Use internal_error, not error.
1581 2001-02-18 Shane Nay <shane@agendacomputing.com>
1583 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1584 structure shift insns.
1586 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1588 * invoke.texi (-fsquangle): Remove documentation.
1589 (-fname-mangling-version): Likewise.
1591 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1593 * optabs.c (expand_abs): Remove reference to
1594 HAVE_contitional_arithmetic.
1595 * combine.c (simplify_set): Likewise.
1597 2001-02-18 Richard Henderson <rth@redhat.com>
1599 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1602 2001-02-18 Richard Henderson <rth@redhat.com>
1604 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1606 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1608 * reload1.c (reload_cse_simplify_set): Fix typo.
1610 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1612 * diagnostic.c (_fatal_insn): Decrement errorcount.
1614 * invoke.texi (-I): Add note avoiding use for system header files.
1616 * rtl.h (add_clobbers): Remove duplicate declaration.
1617 * recog.h (added_clobbers_hard_reg_p): New declaration.
1618 * genemit.c (struct clobber_pat): New field has_hard_reg.
1619 (gen_insn): Record if added clobbers clobber hard reg.
1620 (gen_split): Avoid unused warning if number of operands is 0.
1621 (output_added_clobbers_hard_reg_p): New function.
1624 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1626 * pa.c (hppa_expand_prologue): Simplify code storing return
1627 pointer. For large (>=8k) frames with a post_store, adjust stack
1628 pointer by 8k-64 first rather than by 64. When testing with
1629 VAL_14_BITS_P, always use the actual value rather than the value
1630 negated. Add blockage to prevent scheduling of spills before
1631 stack frame has been created.
1632 (hppa_expand_epilogue): Simplify code loading return pointer.
1633 Allow a slightly larger range for merge_sp_adjust_with_load case.
1634 When testing with VAL_14_BITS_P, always use the actual value.
1636 * pa.c (pa_adjust_insn_length): Check that block move
1637 pattern is a set before looking at operands.
1639 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1641 * fold-const.c (fold_binary_op_with_conditional_arg): New
1642 function, split out from ...
1644 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1645 conditional arms that throw exceptions.
1647 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1650 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1652 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1653 define HAVE_DECL_* to 1 to mask potential backup declarations.
1654 * configure: Regenerated.
1656 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1658 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1660 2001-02-17 Richard Henderson <rth@redhat.com>
1662 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1663 when replacing a memory load with a register.
1665 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1666 Jan Hubicka <jh@suse.cz>
1668 * recog.c (validate_replace_src_1): New.
1669 (validate_replace_src_data): Likewise.
1670 (validate_replace_src): Use note_uses.
1671 * rtl.h (note_uses): Declare.
1672 * rtlanal.c (note_uses): New.
1674 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1676 * reg-stack.c (stack_def): Make field reg unsigned.
1677 (remove_regno_note): Unsignetize parameter.
1679 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1681 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1682 shladd_operand() call.
1684 2001-02-16 Bruce Korb <bkorb@gnu.org>
1685 Rodney Brown <RodneyBrown@mynd.com>
1687 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1688 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1689 machine restrictions
1690 * fixinc/fixincl.x: regen
1692 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1694 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1696 (hash_scan_insn): Clean up calls to hash_scan_set.
1697 (compute_kill_rd): REGNO now unsigned.
1698 (try_replace_reg): Rework to use simplify_replace_rtx.
1699 (cprop_jump, cprop_cc0_jump): Likewise.
1700 (cprop_insn): Call find_reg_equal_equiv_note.
1701 Reflect changes to cprop_jump and cprop_cc0_jump.
1703 * recog.c (validate_replace_src): Replace in operands of
1704 ZERO_EXTRACT in SET_DEST.
1706 * cse.c (new_label_ref): New variable.
1707 (insert): Set it instead of recorded_label_ref.
1708 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1709 CODE_LABEL for this function, and not already in REG_LABEL note.
1711 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1713 * resource.c (mark_referenced_resources): Fix typo in introductory
1715 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1718 2001-02-16 Jason Merrill <jason@redhat.com>
1720 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1722 (gen_subprogram_die): Don't abort on seeing a second definition if
1723 the previous one was abstract. Don't replace an abstract instance
1724 in the lookup table.
1726 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1727 gen_abstract_function.
1728 * dwarf2out.h: Declare it.
1729 * toplev.c (note_outlining_of_inline_function): New fn.
1730 * toplev.h: Declare it.
1731 * integrate.c (output_inline_function): Call it.
1732 * c-decl.c (duplicate_decls): Call it when redefining an extern
1733 inline. Don't inline the new defn.
1735 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1737 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1739 * .gdbinit: Rename to gdbinit.in.
1740 * gdbinit.in: New file,
1741 * configure.in: Generate .gdbinit from gdbinit.in.
1742 * configure: Regenerated.
1743 * Makefile.in (distclean): Always remove .gdbinit.
1745 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1747 * objc/objc-act.c (start_class): Register implemented_classes with
1750 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1752 * cppfiles.c (_cpp_make_system_header): Generate a file
1755 2001-02-15 Jim Meyering <meyering@lucent.com>
1757 * Makefile.in (install-common): Don't depend on installdirs here.
1758 Instead, make each of the lang.install-common targets (e.g.,
1759 c++.install-common in cp/Make-lang.in) depend on it.
1760 (install-driver): Depend on installdirs.
1762 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1764 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1766 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1769 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1771 * invoke.texi (--param): Document.
1773 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1775 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1777 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1779 * i386.md (extendsfdf2_2): Fix constraints.
1781 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1783 * i386.md (fop_df_3 splitter): Fix operand number.
1785 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1787 * invoke.texi (-mreg-alloc): Nuke.
1788 * i386.c (ix86_reg_alloc_order, regs_allocated,
1789 order_regs_for_local_alloc): Nuke.
1790 (override_options): Kill reg_alloc code.
1791 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1792 (REG_ALLOC_ORDER): SSE goes before I387.
1793 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1794 (ix86_reg_alloc_order): Likewise.
1795 * i386-protos.h (ix86_reg_alloc_order): Kill.
1797 2001-02-14 Richard Henderson <rth@redhat.com>
1799 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1801 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1803 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1805 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1807 * i386-protos.h (ix86_memory_move_cost): Move offline.
1808 * i386.c (ix86_register_move_cost): Compute properly cost of
1809 SSE, MMX and i387 instructions.
1810 (*_cost): Add costs of SSE/MMX moves.
1811 (ix86_memory_move_cost): Move offline from ....; Likewise.
1812 * i386.h (MEMORY_MOVE_COST): .... here;
1813 (struct processor costs): Add new fields to represent costs
1816 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1818 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1819 move_cost together with Matt Kraai's fix.
1821 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1823 * Makefile.in (OBJS): Add params.o.
1825 2001-02-14 Richard Henderson <rth@redhat.com>
1826 DJ Delorie <dj@redhat.com>
1828 * jump.c (jump_optimize_1): When we delete a conditional jump
1829 preceeding a non-conditional jump to effectively the same place,
1830 make sure that the combined jump skips any clobber insns between
1833 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1835 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1837 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1839 * Makefile.in (toplev.o): Depend on params.h.
1840 (intergate.o): Likewise.
1841 (params.o): New target.
1842 * flags.h (inline_max_insns): Remove.
1843 * integrate.c: Include params.h.
1844 Use MAX_INLINE_INSNS instead of inline_max_insns.
1845 * params.c: New file.
1846 * params.h: Likewise.
1847 * params.def: Likewise.
1848 * toplev.c: Include params.h.
1849 (lang_independent_params): New variable.
1850 (decode_f_option): Use the param machinery instead of setting
1852 (independent_decode_option): Handle "--param name=value".
1853 (main): Register language-independent parameters.
1855 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1857 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1859 2001-02-14 Richard Henderson <rth@redhat.com>
1861 * regclass.c (init_reg_sets_1): Revert last two changes.
1863 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1865 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1866 (variable_size): Call put_pending_size.
1867 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1868 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1869 sizes list, put newly created SAVE_EXPR there as well.
1871 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1873 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1874 (errata_find_address_regs): load_group has only 2 entries.
1875 (errata_emit_nops): Likewise. shladd is not problematic.
1876 Clear last_group if nop was emitted.
1877 (fixup_errata): load_group has only 2 entries.
1880 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1882 * c-lex.c (lex_number): Only warn traditionally for U suffix
1883 outside system macros.
1884 * cppexp.c (parse_number): Similarly.
1885 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1886 * cppmacro.c (struct cpp_macro): New member node.
1887 (parse_args): Only warn about missing rest args if not
1889 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1890 (cpp_sys_objmacro_p): New.
1891 (_cpp_create_definition): Store the node with the macro defn.
1892 Remember if the macro is defined in a system header.
1894 2001-02-13 DJ Delorie <dj@redhat.com>
1896 * configure.in (check_languages): determine languages to check
1897 * Makefile.in (check-c++): alias for check-g++
1898 (check-f77): alias for check-g77
1899 (CHECK_TARGETS): depend on configured languages
1901 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1903 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1904 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1905 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1906 (sqrtextendsfdf2): Disable for SSE2.
1908 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1910 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1911 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1912 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1913 (sqrtextendsfdf2): Disable for SSE2.
1915 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1917 * i386.md (movsfcc_1): Support integer cmove instruction.
1918 (movdfcc_1): Likewise; new splitter.
1920 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1922 * i386.c (output_fp_compare): Support SSE.
1923 (prepare_fp_compare_args): SSE comparisons always support memory.
1924 * i386.h (TARGET_CMOVE): SSE imply cmove.
1925 * i386.md (cmp?f2): Enable for SSE too.
1926 (cmpfp_i*): Support SSE.
1928 (cmpfp_i_sse_only): New.
1929 (s*, b* fp expanters): Enable for SSE too.
1930 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1933 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1935 * regclass.c (init_reg_sets_1): Silence warning.
1937 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1939 * i386.md (sqrt?f2): Change to expander.
1940 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1942 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1944 * rtlanal.c (find_reg_equal_equiv_note): New function.
1945 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1946 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1947 * rtl.h: Add declarations for above functions.
1949 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1951 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1953 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1954 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1955 * flow.c (mark_regs_live_at_end): Likewise.
1956 (calculate_global_regs_live): Likewise.
1957 * gcse.c (compute_hash_table): Likewise.
1958 (compute_kill_rd): Likewise.
1959 * resource.c (mark_target_live_regs): Likewise.
1960 * rtl.h (INVALID_REGNUM): New macro.
1962 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1964 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1966 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1968 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1971 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1973 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1975 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1976 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1977 (fop_sf_1_sse, fop_df_1_sse): New patterns
1978 (fop_*): Disable float_extend and float patterns for SSE compilation.
1979 * i386.c (output_387_binary_op): Support SSE.
1981 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1983 * i386.md (dummy_extendsfdf2): Support SSE2
1984 (extendsfdf2): Enable if 80387 or SSE2.
1985 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1986 and no MIX_I387_SSE2
1987 (extendsfdf2_1_sse_only): New pattern.
1988 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1990 (truncdfsf2_1): Support SSE.
1991 (truncdfsf2_2): Support SSE.
1992 (truncdfsf2_2_1_sse): New pattern.
1993 (fixtruncsfsi2): Always use SSE if available.
1994 (fix_truncsfsi_sse): New pattern.
1995 (fix_truncdfsi_sse): New pattern.
1996 (floatsis?f2): Support SSE.
1997 (floatsidf2_i387): New pattern.
1998 (floatsidf2_sse): Likewise.
2000 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2002 * configure.in: Use "have_gnat" variable, not "gnat".
2003 * configure: Regenerated.
2005 * config/sparc/sparc.c (function_value): Treat all non-record
2006 aggregate types like used to treat UNION_TYPE.
2008 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2010 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2011 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2013 (MASK_MIX_SSE_I387): New.
2014 (TARGET_SSE): SSE2 imply SSE.
2015 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2016 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2017 (enum reg_class): Add new classes.
2018 (REG_CLASS_NAMES): Likewise.
2019 (REG_CLASS_CONTENTS): Likewise.
2020 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2021 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2022 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2023 (CLASS_MAX_NREGS): Use new macros.
2024 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2025 * i386.md (pushsf, movsf): Support SSE.
2026 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2027 splitters to use ANY_FP_REGNO_P.
2028 (movdf_nointeger, movdf_integer): Likewise.
2030 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2032 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2033 (try_combine): Use it.
2035 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2037 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2038 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2039 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2040 (REGISTER_MOVE_COST): Likewise.
2041 * i386-protos.h (ix86_secondary_memory_needed,
2042 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2043 * i386.c (ix86_secondary_memory_needed,
2044 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2046 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2048 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2049 (HARD_REGNO_MODE_OK): Move offline to ....
2050 * i386.c (ix86_hard_regno_mode_ok) ... here;
2051 refuse all incorrect modes.
2052 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2054 2001-02-13 Richard Henderson <rth@redhat.com>
2056 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2057 entire operator; replicate that and match_dup the operands.
2058 (cmp_ccx_arith_op_set): Likewise.
2059 (cmp_cc_arith_op_not_set): Likewise.
2060 (cmp_ccx_arith_op_not_set): Likewise.
2062 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2064 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2066 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2068 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2069 (TARGET_NO_BITFIELD_WORD): New macro.
2070 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2071 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2073 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2075 * cselib.c: New file, from simplify-rtx.c.
2076 * simplify-rtx.c: Remove cselib parts.
2077 * Makefile.in: Add cselib.o.
2079 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2081 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2082 (setup_incoming_varargs): Remove warning.
2084 * config/rs6000/rs6000.c (validate_condition_mode): When
2085 flag_fast_math, allow floating-point conditionals to be reversed.
2086 (rs6000_generate_compare): When flag_fast_math, don't generate
2087 cror operations for FP conditionals.
2089 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2091 (ASM_SPEC): Likewise.
2092 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2093 (CC1_SPEC): Likewise.
2094 (LINK_TARGET_SPEC): Likewise.
2095 (CPP_ENDIAN_SPEC): Likewise.
2096 * Makefile.in (check-consistency): New target.
2098 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2100 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2101 "return type defaults" warning for functions with return type
2103 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2104 function declarations by default rather than only when pedantic.
2106 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2108 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2111 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2113 * extend.texi (Deprecated): Deprecate new initializer lists.
2115 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2117 * mkdeps.c (deps_add_default_target): Robustify. Add
2118 basename component only.
2119 * cpp.texi (-M): Describe how default target is generated.
2120 * invoke.texi (-M): Likewise.
2122 2001-02-12 Kazu Hirata <kazu@hxi.com>
2124 * toplev.c (push_float_handler): Remove.
2125 (pop_float_handler): Remove.
2126 * toplev.h: Remove prototypes for the above functions.
2128 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2130 * c-common.c (constant_fits_type_p): New function.
2131 (convert_and_check): Use it.
2133 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2135 * Makefile.in (GXX_ABI_FLAG): Don't define.
2136 * configure.in (--enable-new-gxx-abi): Remove option.
2137 * config.in: Regenerated.
2138 * configure: Likewise.
2140 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2142 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2144 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2145 regular basic block, and arrange for all edges into it to switch
2148 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2150 * Makefile.in (distclean): Do not remove .gdbinit.
2152 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2154 * Makefile.in (gcc.o): Fix typos.
2155 (protize.o): Likewise.
2156 (unprotoize.o): Likewise.
2158 2001-02-11 Richard Henderson <rth@redhat.com>
2160 * tree.c (build1): Check for null operand in last change.
2162 2001-02-11 Richard Henderson <rth@redhat.com>
2164 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2165 (fold): Don't assume a constant isn't foldable.
2166 * tree.c (build): Set TREE_CONSTANT for an expression with no
2167 side-effects and constant operands.
2170 2001-02-10 Richard Henderson <rth@redhat.com>
2172 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2174 2001-02-10 Anthony Green <green@redhat.com>
2176 * cpp.texi (Standard Predefined): Add documentation for
2179 * c-common.c (combine_strings): Improve warning message.
2181 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2183 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2185 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2187 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2189 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2192 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2194 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2197 2001-02-09 Nick Clifton <nickc@redhat.com>
2199 * config/arm/arm.md: Change output contraint on post inc
2200 load/store multiple patterns to be a read/write contraint.
2202 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2204 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2205 .o files when using the -M options.
2207 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2208 David Edelsohn <edelsohn@gnu.org>
2210 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2211 handle DImode constants. Use one TOC entry for SImode and smaller
2212 constants, aligned properly.
2214 2001-02-08 Jason Merrill <jason@redhat.com>
2216 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2217 about the SP adjustment for saving the static chain pointer.
2218 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2219 offset when setting a temporary CFA register.
2221 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2223 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2224 powerpc-*-chorusos* .
2225 * config/rs6000/chorus.h : New file.
2226 * config/i386/chorus.h : New file.
2227 * config/sparc/chorus.h : New file.
2228 * config/sparc/t-chorus-elf : New file.
2230 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2232 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2233 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2234 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2235 (__WCHAR_TYPE__): Correct macro name.
2237 2001-02-08 Richard Henderson <rth@redhat.com>
2239 * config/i386/i386.c (ix86_frame_pointer_required): New.
2240 (ix86_setup_frame_addresses): New.
2241 (struct machine_funciton): Add accesses_prev_frame.
2242 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2243 ix86_frame_pointer_required.
2244 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2245 (SETUP_FRAME_ADDRESSES): New.
2246 * config/i386/i386-protos.h: Update.
2247 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2248 from FRAME_POINTER_REQUIRED.
2249 * config/i386/svr3gas.h: Likewise.
2250 * config/i386/sysv3.h: Likewise.
2251 * config/i386/v3gas.h: Likewise.
2253 2001-02-08 Richard Henderson <rth@redhat.com>
2255 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2256 calculation of the number of integer registers required.
2257 (function_arg_record_value): Likewise.
2259 2001-02-08 Jason Merrill <jason@redhat.com>
2261 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2262 two. Print file and line with "confused" message.
2264 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2266 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2268 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2270 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2272 * final.c (cleanup_subreg_operands): The address of a MEM can
2275 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2278 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2280 * gcc.texi (Incompatibilities): Update documentation of
2281 preprocessing numbers.
2283 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2285 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2287 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2289 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2291 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2292 * gcc.c (struct compiler): Add cpp_spec field.
2293 (input_file_compiler): New variable.
2294 (do_spec_1): Allow a particular compiler to handle `%C'
2296 (main): Store the current compiler in input_file_compiler.
2297 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2299 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2301 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2302 * cppinit.c (cpp_create_reader): Initialize them.
2303 (append_include_chain): cxx_aware arg might be unused.
2304 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2305 keywords and give them their phase 7 meaning. Pedwarn about
2306 this unless '__bool_true_false_are_defined' is defined.
2308 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2310 * lcm.c (optimize_mode_switching): Emit mode_set before the
2311 JUMP_INSN of an abnormal edge.
2313 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2315 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2316 a scheduling barrier at the end.
2318 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2320 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2322 * config/sh/sh.md (reload_outsf): Removed.
2323 (movsf_ie): Introduce constraints for FPUL loads and stores.
2324 (reload_insf): Broaden the output constraint.
2326 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2328 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2329 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2331 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2333 * final.c: Revert my previous changes.
2334 * output.h: Make profile_label_no extern.
2335 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2336 for generating label.
2338 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2340 * config/i386/djgpp.h: Add comments about standard paths.
2341 (MD_EXEC_PREFIX): Undefine before defining.
2342 (MD_STARTFILE_PREFIX): New.
2344 2001-01-30 Bruce Korb <bkorb@gnu.org>
2346 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2347 (load_file): do not rely on load_file_data() to close file pointer
2348 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2349 fixinc/inclhack.def(irix_limits_const): add test_text
2351 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2353 * cppexp.c (parse_defined): Improve diagnostics for invalid
2356 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2358 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2360 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2362 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2363 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2364 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2365 (rs6000_output_symbol_ref): New function.
2366 (output_toc): Use VTABLE_NAME_P.
2368 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2370 * print-tree.c (print_node, case PARM_DECL):
2371 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2373 * stor-layout.c (reference_types_internal): New variable.
2374 (internal_reference_types): New function.
2375 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2376 * tree.h (internal_reference_types): New declaration.
2378 * cse.c (find_best_addr): Fix typo in computing cost.
2380 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2382 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2383 and this is the sum of a pointer and a constant, we know the result
2385 (num_sign_bit_copies, case PLUS): Likewise.
2386 * explow.c (convert_memory_address): Remove opposite SUBREG.
2387 * function.c (instantiate_new_reg): New function (from common code).
2388 (instantiate_virtual_regs_1): Call it.
2389 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2390 if pointers sign- or zero-extend.
2391 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2392 If pointers extend unsigned, use inside of SUBREG.
2393 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2395 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2397 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2398 subdir of gcc_gxx_include_dir.
2399 (gcc_gxx_target_include_dir): Remove.
2401 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2403 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2404 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2405 a high-level description.
2407 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2409 * final.c: Move the declaration of profile_label_no to ...
2410 * output.h: ... here.
2411 * function.c (expand_function_start): Call PROFILE_HOOK.
2412 * config/rs6000/aix.h: Define PROFILE_HOOK.
2413 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2414 * config/rs6000/rs6000.c (output_profile_hook): Define.
2415 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2416 output_profile_hook.
2417 tm.texi : Explain new macro PROFILE_HOOK.
2419 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2421 * extend.texi (Extended Asm): Do not say that semicolon is always
2422 a valid line-breaking character for GNU assemblers. Use
2423 newline-tab as the most commonly supported syntax. Use
2424 newline-tab rather than semicolon in multi-insn examples.
2426 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2428 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2430 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2431 David Edelsohn <edelsohn@gnu.org>
2433 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2434 code for AIX, even without flag_pic.
2436 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2438 * c-typeck.c (common_type): push and pop binding level around
2439 calling common_type on function parameters.
2441 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2443 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2445 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2447 * config/mips/mips.c (override_options): Fix typo in last change.
2448 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2449 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2451 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2453 * invoke.texi (-fdump-class-layout): Document.
2454 (-fdump-translation-unit): Use `=' as filename separator.
2456 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2458 * Makefile.in (s-mlib): Don't build multilibs if
2460 (DRIVER_DEFINES): Adjust accordingly.
2462 (protoize.o): Likewise.
2463 (unprotoize.o): Likewise.
2464 * configure.in: Recognize --enable-multilib.
2466 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2468 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2470 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2471 * configure.in: Remove --enable-libstdcxx_v3 support.
2472 * configure: Regenerated.
2474 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2476 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2477 Call abort instead of fatal.
2478 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2479 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2480 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2481 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2482 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2483 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2485 * diagnostic.h (set_internal_error_function): Renamed.
2486 * toplev.h (internal_error): Renamed from fatal.
2487 (pfatal_with_name): Deleted.
2488 (fatal_io_error): Now has printf-style arguments.
2489 * diagnostic.c (pfatal_with_name): Deleted.
2490 (fatal_io_error): Rework to have args in printf-style.
2491 (set_internal_error_function): Renamed from set_fatal_function.
2492 (internal_error): Renamed from fatal.
2493 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2494 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2495 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2496 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2497 * flow.c (verify_flow_info): Likewise.
2498 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2499 * config/mips/mips.c (save_restore_insns): Likewise.
2501 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2502 * flow.c (verify_flow_info): Likewise.
2503 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2504 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2505 (avr_normalize_condition): Likewise.
2506 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2507 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2508 (limit_reload_class, double_reg_to_memory): Likewise.
2509 (print_operand_address, emit_1600_code_shift): Likewise.
2510 (gen_tst_reg, gen_compare_reg): Likewise.
2511 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2512 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2514 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2516 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2517 * objc/objc-act.c (build_ivar_chain): Likewise.
2518 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2520 * graph.c (clean_graph_dump_file): Likewise.
2521 * profile.c (init_branch_prob): Likewise.
2522 * objc/objc-act.c (objc_init): Likewise.
2524 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2525 * config/avr/avr.c (avr_override_options): Likewise.
2526 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2527 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2528 * config/h8300/h8300.c (h8300_init_once): Likewise.
2529 * config/mips/mips.c (override_options): Likewise.
2530 * config/i386/i386.c (override_options): Likewise, rework.
2531 * config/m68k/m68k.c (override_options): Likewise.
2533 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2535 * config/mips/mips.c (print_operand): Likewise.
2536 * hash.c (hash_allocate): Don't check for failure returns from
2537 obstack functions that can't fail.
2538 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2539 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2540 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2541 (get_object_reference): Likewise.
2543 2001-02-04 Nick Clifton <nickc@redhat.com>
2545 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2546 StrongARM1110, 10TDMI, and 1020T.
2548 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2550 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2552 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2554 * config/sh/sh.md (movdf load split): Pass register number to
2555 FP_OR_XD_REGISTER_P.
2557 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2559 * cppinit.c (BC): New macro.
2560 (builtin_array): Add __GXX_WEAK__.
2561 * cpplib.h (builtin_type): Add BT_WEAK.
2562 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2563 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2564 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2566 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2568 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2570 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2572 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2573 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2575 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2577 * cpphash.h: Rename ALIGN _ALIGN.
2578 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2580 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2582 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2583 compilation environment.
2584 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2585 control over location of cygwin includes and libs.
2587 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2589 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2591 2001-02-02 lars brinkhoff <lars@nocrew.org>
2593 * md.texi (Standard Names): remove reference to spur.md.
2595 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2597 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2598 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2599 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2600 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2601 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2603 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2605 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2606 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2607 number before reload.
2608 (c4x_adjust_cost): Return zero before reload.
2609 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2610 split before reload.
2612 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2614 * c4x.c (c4x_hard_regno_rename_ok): New.
2615 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2616 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2618 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2620 * diagnostic.h: Add missing "extern" in all declarations.
2622 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2624 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2625 as for gcc_gxx_include_dir.
2627 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2629 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2631 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2633 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2634 label before alignment to be used as the braf base address.
2635 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2637 (casesi_jump_2): Require at least TARGET_SH2.
2639 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2640 truncation to 32-bit doubles on -m3e and -m4-single-only.
2642 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2644 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2645 the default when building a shared object.
2646 (init_spec): Use it.
2647 * testsuite/lib/g++.exp: Include the directory where libgcc
2648 is located to the LD_LIBRARY_PATH list.
2649 * invoke.texi (-shared-libgcc): Document the cases in which
2650 GCC defaults to using the shared libgcc.
2652 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2654 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2655 unsigned is wide enough.
2657 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2658 (si_to_float): Likewise.
2659 (float_to_si, float_to_usi): Use BITS_PER_SI.
2661 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2663 * dwarf2out.c: Added explanation of abbreviations.
2664 (def_cfa_1): Added comments listing DWARF2 instructions.
2665 (cfa_temp_reg): Removed in favor of cfa_temp.
2666 (cfa_temp_value): Removed in favor of cfa_temp.
2667 (cfa_temp): New global variable.
2668 (dwarf2out_frame_debug_expr): Added extensive introductory
2669 comments explaining the function's transformations. Revised to
2670 use cfa_temp. Added some rtx checking. Generalize IOR case.
2671 (dwarf2out_frame_debug): Revised to use cfa_temp.
2672 (output_aranges): Cast as "unsigned" to avoid warning.
2673 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2674 explain which instructions must be marked.
2676 2001-02-01 Richard Henderson <rth@redhat.com>
2678 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2681 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2683 * config/sh/crt1.asm (main_k): Modified so that start calls
2684 ___setup_argv_and_call_main.
2686 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2688 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2689 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2690 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2691 * cppmacro.c (builtin_macro): Set builtin flags here.
2692 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2693 (replace_args): Clarify intent.
2694 (cpp_get_token): Macro expansion tokens get the saved flags.
2696 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2699 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2701 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2704 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2706 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2707 returns Pmode pseudo, but we need ptr_mode.
2708 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2709 Remove bogus conversions; use HOST_WIDE_INT for size.
2710 Don't use TARGET if wrong mode.
2712 * config/i386/i386.c (ix86_compute_frame_size): Allow
2713 stack_alignment_needed to be non-default even if size is zero.
2715 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2717 * (hppa_init_pic_save): Emit the pic offset table
2718 reg save after last_parm_insn.
2719 * pa.c (hppa_init_pic_save): New function.
2720 * pa.h (hppa_init_pic_save): Declare.
2721 * pa.md (call, call_value, sibcall, sibcall_value): Use
2722 the above instead of duplicated code.
2724 * pa.c (hppa_encode_label): Correct size of alloca buffer
2725 so we don't overrun it. Correct leading `*' case.
2726 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2727 need to handle `*@'.
2728 (FUNCTION_NAME_P): Likewise.
2730 2001-01-31 Richard Henderson <rth@redhat.com>
2732 * config.gcc (alpha-osf5): Use float-i128.h.
2734 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2735 * config/float-i32.h: Likewise.
2736 * config/float-i64.h: Likewise.
2737 * config/float-sh.h: Likewise.
2738 * config/float-sparc.h: Likewise.
2740 2001-01-31 DJ Delorie <dj@redhat.com>
2742 * expmed.c (extract_bit_field): allow non-integral modes if we
2743 want to extract a whole register from itself.
2745 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2747 * c-typeck.c (set_init_index): If first is equal to last, assume as
2748 if it was not a range at all.
2750 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2752 * config/fp-bit.c: Include tm.h.
2753 (float_to_si): Don't assume SImode is 32-bits wide.
2754 (float_to_usi): Likewise.
2756 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2758 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2760 (typename): Call pending_xref_error after parsing typed_typespecs.
2761 * c-decl.c (lookup_tag): Give error immediately rather than
2762 leaving it pending if the tag of the wrong type is in the same
2764 (xref_tag): Don't pedwarn for forward declarations of enum types
2766 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2769 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2771 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2773 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2775 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2776 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2778 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2780 * cpphash.h (struct cpp_reader): New saved_flags.
2781 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2782 to avoid a paste after a pasted token.
2784 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2786 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2787 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2788 Wtype_MIN instead of LONG_MIN.
2790 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2792 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2794 * fixinc/fixincl.x: Regenerated.
2795 * fixinc/inclhack.def (irix_limits_const): New definition to
2796 convert "const" to "__const" in limits.h.
2798 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2800 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2802 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2804 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2805 when register dies in the insn.
2807 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2809 * diagnostic.c (fatal): Fix word wrap.
2811 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2813 * combine.c (try_combine): Fix SUBREG setting for
2814 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2816 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2818 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2821 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2823 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2825 * toplev.c (decode_W_option): Update warn_larger_than
2826 unconditionally for each processed switch.
2828 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2830 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2832 (hppa_expand_prologue): Delete code to save pic offset table register
2833 in the function prologue.
2834 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2835 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2836 table register at the beginning of the function after the prologue.
2838 2001-01-29 lars brinkhoff <lars@nocrew.org>
2840 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2842 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2843 Jeff Law <law@redhat.com>
2845 * pa.md (return): Revise comment for trivial return.
2846 (return_internal): Non-trivial return pattern for non-PIC code.
2847 (return_internal_pic): Non-trivial return pattern for PIC code.
2848 It uses the PIC register to ensure it is restored after
2850 (epilogue): Generate appropriate return for PIC and non-PIC code.
2852 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2854 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2856 2001-01-29 DJ Delorie <dj@redhat.com>
2858 * combine.c (if_then_else_cond): Pass the correct mode to
2859 operand_subword() for constants.
2861 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2863 * config/i386/cygwin.h: Add w32api to include search. Search different
2864 directories in a cross-build environment.
2866 2001-11-29 Tim Josling <tej@melbpc.org.au>
2868 * tree.h (TYPE_STUB_DECL): Add documentation.
2870 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2872 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2873 (sdbout_field_types): Likwise. Fix use of host_integerp.
2875 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2877 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2880 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2882 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2883 to use flag_gnu_linker.
2885 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2887 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2888 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2890 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2892 * tree.c, tree.h (build_parse_node): Remove; was identical to
2894 * c-lang.c (start_cdtor), objc/objc-act.c
2895 (build_module_descriptor): Use build_nt instead of
2898 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2900 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2901 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2902 not have any upper bits set.
2904 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2906 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2908 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2910 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2912 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2914 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2915 (integer_minus_one_node): Define.
2917 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2919 * Makefile.in (bootstrap2-lean): Fix typo.
2921 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2923 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2924 : Don't set fe_value.
2925 * cpplib.h (AVOID_LPASTE): New flag.
2926 (struct cpp_hashnode): Remove fe_value.
2927 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2928 * cppmacro.c (builtin_macro): Don't set flags here.
2929 (replace_args): Set AVOID_LPASTE flag on first token of an
2930 argument, and the token following it.
2931 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2932 macro expansion, and on the token following it. Do it for
2934 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2936 2001-01-27 Richard Henderson <rth@redhat.com>
2938 * config/alpha/t-ieee: Remove multilibbing.
2939 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2941 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2943 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2945 * Makefile.in: Remove all dependencies on defaults.h.
2946 * builtins.c: Don't include defaults.h.
2947 * c-common.c: Likewise.
2948 * c-decl.c: Likewise.
2949 * c-pragma.c: Likewise.
2950 * c-typeck.c: Likewise.
2951 * combine.c: Likewise.
2953 * frame-ia64.c: Likewise.
2954 * cppexp.c: Likewise.
2955 * crtstuff.c: Likewise.
2956 * dbxout.c: Likewise.
2957 * dwarf2out.c: Likewise.
2958 * dwarfout.c: Likewise.
2959 * emit-rtl.c: Likewise.
2960 * except.c: Likewise.
2962 * final.c: Likewise.
2963 * frame-dwarf2.c: Likewise.
2964 * libgcc2.c: Likewise.
2965 * optabs.c: Likewise.
2966 * profile.c: Likewise.
2967 * sdbout.c: Likewise.
2968 * toplev.c: Likewise.
2969 * tradcif.y: Likewise.
2971 * varasm.c: Likewise.
2973 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2975 * builtins.c (expand_builtin_fputs): Use size_one_node when
2976 transforming into fwrite.
2978 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2980 * extend.texi (Attribute Syntax): New section.
2982 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2984 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2985 they didn't need fixing.
2987 2001-01-27 Janis Johnson <janis@us.ibm.com>
2989 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2991 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2992 to remove macro definitions that are duplicated from elfos.h.
2994 2001-01-27 Richard Henderson <rth@redhat.com>
2996 * config/i386/sco5gas.h: Move ...
2997 * config/usegas.h: ... here.
2998 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3000 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3002 * c-typeck.c (struct constructor_stack): Add range_stack member.
3003 (really_start_incremental_init): Clear it.
3004 (push_init_level): Save constructor_range_stack and clear it if
3005 pushing explicit braces.
3006 (pop_init_level): abort if constructor_range_stack is non-zero at
3007 explicit closing brace. Restore saved constructor_range_stack if
3010 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3012 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3013 into register was forced into memory.
3015 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3017 * Makefile.in: Remove uses of + before $(MAKE).
3019 2001-01-26 Richard Henderson <rth@redhat.com>
3021 * stmt.c (cost_table): Remove.
3022 (COST_TABLE, cost_table_initialized): New.
3023 (estimate_case_costs): Use the later instead of the former.
3024 (balance_case_nodes): Likewise.
3026 2001-01-26 Richard Henderson <rth@redhat.com>
3028 * alias.c (objects_must_conflict_p): Read-only slots may not
3029 conflict despite having the same type.
3031 2001-01-27 Michael Hayes <mhayes@redhat.com>
3033 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3035 (check_ext_dependant_givs): Initialise u_start_val and
3037 (load_mems): Make last_max_reg unsigned.
3038 (try_swap_copy_prop): Use INSN_P and initialise set.
3040 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3042 * README.AVR : Removed.
3044 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3046 * pa-64.h (text_section): Remove declaration.
3048 * pa.md (return_internal): Remove mode on PIC register use.
3050 2001-01-25 lars brinkhoff <lars@nocrew.org>
3052 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3053 ASM_CLOSE_PAREN): fix typos.
3055 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3057 * acconfig.h: Define `const' to the empty string if neither
3058 __STDC__ nor __cplusplus is defined.
3059 * config.in: Regenerated.
3061 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3063 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3064 * collect2.c (main): Delete importf. Add ".obj" file extension.
3065 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3066 (aix_std_libs): Add additional AIX libraries to skip.
3067 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3068 * config/rs6000/aix51.h: New file.
3070 2001-01-25 Michael Hayes <mhayes@redhat.com>
3072 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3073 (loop_insn_emit_before): No longer static.
3074 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3075 (loop_givs_rescan, load_mems): Likewise.
3076 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3077 (maybe_eliminate_biv_1):
3078 (move_movables): Replace emit_call_insn_before with
3079 loop_call_insn_hoist.
3080 * loop.h (loop_insn_emit_before): Add.
3081 * unroll.c (copy_loop_body): Replace emit_insn_before with
3082 loop_insn_emit_before.
3084 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3086 * diagnostic.c (fatal): Request preprocessed source.
3088 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3090 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3091 olddecl has argument types and newdecl has none, use the argument
3094 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3096 * dwarf2out.c (prefix_of): New function. Determine longest common
3097 prefix of the two arguments. The units are whole path components.
3098 (output_file_names): When adding a new directory find the one entry
3099 with the longest common prefix already in the list. Artificially
3100 generate entry if there is none for this prefix.
3101 Fix test to check whether the zeroth directory entry is used.
3103 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3105 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3106 Changed all callers. Take it into account when deciding if a
3107 previously loaded value matches.
3109 2001-01-24 Richard Henderson <rth@redhat.com>
3111 * reload.c (find_reloads_subreg_address): Fail the substitution
3112 if the resulting address is insufficiently aligned.
3114 2001-01-24 DJ Delorie <dj@redhat.com>
3116 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3117 check the original operand's mode also.
3118 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3120 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3122 * c-parse.in (cast_expr): Move compound literals from here ...
3123 (primary): ... to here. Use standard terminology "compound
3124 literal" instead of "constructor expression".
3126 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3128 * gcc.1, cpp.1: Regenerate.
3130 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3132 * calls.c (emit_library_call_value_1): Memory slot for
3133 pass-by-reference argument should have the mode of the argument,
3134 not of the pointer to it.
3136 2001-01-24 Tom Tromey <tromey@redhat.com>
3138 * gcc.texi (G++ and GCC): Mention gcj manual.
3139 (Standards): Link to section of manual mentioning gcj/Java
3142 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3144 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3145 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3146 * tradcpp.c (main): Add -imacros or -include'd dependencies
3148 * cpp.texi (-M, -MM): Document -M -include behaviour.
3150 2001-01-24 Roger Collins <roger@ProProject.com>
3152 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3154 2001-01-24 Will Cohen <wcohen@redhat.com>
3156 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3157 whether registers are 32 bits or 64 bits in size.
3159 2001-01-24 Ben Elliston <bje@redhat.com>
3161 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3163 2001-01-24 Richard Henderson <rth@redhat.com>
3165 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3166 (builtin_longjmp): Use it instead of emit_indirect_jump.
3168 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3170 * bb-reorder.c (make_reorder_chain_1): Handle case where
3171 jump edge goes to the same block as the fallthru edge.
3173 2001-01-23 Jim Wilson <wilson@redhat.com>
3175 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3176 * frame.h (__ia64_personality_v1): Add prototype.
3177 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3178 prototype form. Add void * cast to first argument to personality
3180 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3181 (asctoe113): Likewise.
3182 * config/ia64/frame-ia64.c: Include eh-common.h.
3183 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3185 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3187 (itanium_split_issue): Add prototype.
3188 (gen_nop_type): Ifdef out.
3189 (find_best_packet): Initialize best_packet.
3190 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3192 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3193 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3194 (flushrs): Add explicit stop bit at end.
3195 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3198 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3200 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3202 * libgcc2.c (__terminate_func): Make variable static.
3203 (__terminate_set_func): New function to set __terminate_func.
3204 * libgcc2.h (__terminate_func_ptr): New typedef.
3205 (__terminate_set_func): New function.
3207 2001-01-23 Richard Henderson <rth@redhat.com>
3209 * flow.c (init_propagate_block_info): Don't consider unchanging
3210 memories for dead frame store elimination.
3212 2001-01-23 Richard Henderson <rth@redhat.com>
3214 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3215 * defaults.h: ... here.
3217 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3219 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3221 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3223 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3225 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3227 * rs6000.h (rs6000_return_addr): Move prototype from here...
3228 * rs6000-protos.h (rs6000_return_addr): ...to here.
3229 (rs6000_init_expanders): Delete prototype.
3231 2001-01-23 Nick Clifton <nickc@redhat.com>
3233 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3234 (Spec Files): Document %B and %j and %. and %v3 and %M and
3235 %{S*&T} spec switches.
3237 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3239 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3241 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3242 Neil Booth <neil@daikokuya.demon.co.uk>
3244 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3245 Have -Werror make pedantic warnings errors, like the
3248 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3250 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3252 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3254 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3255 * integrate.c (expand_inline_function): Initialize them.
3256 (subst_constants): If changing COMPARE so that both its arguments
3257 will be VOIDmode and the comparison mode will be lost, note
3258 compare_mode. Use the recorded compare_mode to optimize
3261 2001-01-23 Jason Merrill <jason@redhat.com>
3263 * dwarf2out.c (new_die): Use xcalloc.
3264 (output_die): Abort rather than emit a local reference to offset 0.
3266 2001-01-17 Andrew Haley <aph@redhat.com>
3268 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3269 of a saved register; return NULL instead.
3270 (copy_reg): Take a pointer to a source register rather than a
3272 (next_stack_level): Remember the address in the stack frame of all
3274 Use the saved register pointer array as the source of the CFA.
3275 (throw_helper): Rewrite. Unwind once rather than twice and keep
3276 track of saved registers as we go.
3278 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3280 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3281 * c4x.c (c4x_legitimize_reload_address): Remove.
3282 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3283 reload address for ldp(k) insn.
3285 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3287 * pa.md (return_internal): Add a USE of the PIC register to ensure
3288 it is restored after each call.
3289 (return expander): Corresponding changes.
3291 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3293 * rs6000.h (INIT_EXPANDERS): Delete.
3294 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3295 * rs6000.c (rs6000_override_options): Call *_machine_status from
3297 (rs6000_init_expanders): ...instead of here. Delete.
3298 (rs6000_mark_machine_status): New function.
3299 (rs6000_init_machine_status): Use xcalloc.
3300 (rs6000_return_addr): Generate RTX for the return address.
3301 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3302 (rs6000_stack_info): Use it.
3304 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3306 * gthr-win32.h: Include errno.h to get a declaration for
3307 EINVAL and _mingw.h if the target is mingw32.
3309 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3311 * cpp.texi: Correct typos.
3313 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3315 * explow.c (probe_stack_range): Ensure value passed to
3316 stack_check_libfunc is ptr_mode, not Pmode.
3318 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3320 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3321 case, don't use operand_subword to calculate a SUBREG that is
3324 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3326 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3328 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3329 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3330 valid. If not replace it by equivalent insns.
3332 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3334 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3335 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3336 (c4x_U_constraint, symbolic_address_operand): Likewise.
3337 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3339 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3340 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3341 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3342 anulling slot because of silicon bug.
3343 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3345 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3347 * cppexp.c (parse_charconst): Change `mask' type to agree
3350 2001-01-21 Richard Henderson <rth@redhat.com>
3352 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3353 pic_label_name in a linkonce section.
3355 2001-01-17 Philipp Thomas <pthomas@suse.de>
3357 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3359 * configure: Regenerate.
3361 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3363 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3364 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3366 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3368 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3369 If REVERSE nonzero then condition code in X must be reversed.
3370 (encode_section_info): Optimise if/else.
3371 (avr_function_value): Fix formatting.
3373 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3374 (difficult_branch): Likewise.
3375 (rvbranch): Likewise.
3376 (difficult_rvbranch): Likewise.
3378 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3380 * config/avr/libgcc.S: Fix comment.
3382 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3384 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3386 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3388 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3390 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3392 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3393 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3394 * configure, config.in: Regenerate.
3395 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3396 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3397 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3398 (doprint.o): New rule.
3400 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3402 * c-typeck.c (digest_init): Handle boolean types as scalars.
3404 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3406 * stmt.c (expand_return): Don't return anything if size is zero.
3407 Delete redundant assignment to BYTES.
3408 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3410 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3412 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3413 the same as the default library function names.
3414 * config/avr/avr.md: Document special characters after '%'.
3415 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3416 knowing which of the call-used registers are really clobbered.
3417 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3418 New. Both quotient and remainder from one libgcc.S call.
3419 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3420 clobber as few registers as possible.
3421 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3423 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3425 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3426 context of the top of the stack.
3428 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3430 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3431 (fixup_var_refs_insns): ...here.
3433 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3435 * function.c (fixup_var_refs_insns): Break up into
3436 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3437 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3438 [loop over hash table entries].
3439 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3440 fixup_var_refs_insns_with_hash, to match above changes.
3442 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3444 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3445 (libgcc.a): Likewise.
3446 (stmp-multilib): Likewise.
3447 (STAGE2_FLAGS_TO_PASS): Likewise.
3449 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3451 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3452 temporary if no_new_pseudos.
3454 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3456 * cppinternals.texi: Update.
3458 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3460 * arm.c (arm_init_builtins): Re-enable builtins.
3462 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3464 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3465 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3466 element to be null, and always expect an EXPR_LIST.
3467 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3468 * sched-deps.c (sched_analyze_1): Likewise.
3469 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3471 * regclass.c (max_set_parallel): New variable.
3472 (reg_scan): Take it into account in computation of max_parallel.
3473 (reg_scan_mark_refs, case SET): Compute it.
3475 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3477 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3478 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3480 2001-01-19 Jason Merrill <jason@redhat.com>
3482 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3483 for the abstract instance of an inline function.
3485 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3486 J"orn Rennecke <amylaar@redhat.com>
3488 * reload1.c (move2add_note_store): Treat all registers directly or
3489 indirectly derived from a base register as members of the same set
3491 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3492 of base register into account.
3494 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3496 * alias.c (find_base_value): Recognize TRUNCATE.
3497 (record_set): In PLUS case, invalidate if other summand is also a
3500 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3502 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3503 entry to be EXPR_LIST.
3504 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3505 be an EXPR_LIST (but not null, which other code doesn't allow).
3506 (note_stores): Properly handle PARALLEL in SET.
3507 Recursively call for top-level PARALLEL.
3508 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3509 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3511 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3513 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3515 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3516 not pfile->skipping (== 0).
3518 2001-01-17 Nick Clifton <nickc@redhat.com>
3520 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3523 2001-01-17 Jim Wilson <wilson@redhat.com>
3525 * invoke.texi (IA-64 options): Improve.
3527 2001-01-17 Tom Tromey <tromey@redhat.com>
3529 * invoke.texi (Optimize Options): Use `{}' to around @samp
3532 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3534 * invoke.texi (-fno-guess-branch-probability): New option.
3536 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3538 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3539 case of making new double-word constant.
3540 Revert last change: instead just test i3_subst_into_i2.
3542 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3544 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3545 Use q constraints instead of r.
3547 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3549 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3550 (machine_function): Define.
3551 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3552 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3553 pa_free_machine_status): New functions.
3554 (override_options): Set {init,mark,free}_machine_status to above.
3555 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3556 PIC_OFFSET_TABLE_REGNUM_SAVED.
3557 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3558 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3559 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3560 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3561 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3563 2001-01-15 DJ Delorie <dj@redhat.com>
3565 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3569 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3571 * flow.c (propagate_on_insn): Make trying to delete a prologue
3572 or epilogue insn an ICE, not a warning. Allow doing this if
3573 the current function returns with stack pointer depressed.
3575 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3576 I3 having more than one SET.
3578 2001-01-16 Jim Wilson <wilson@redhat.com>
3580 * invoke.texi: Document IA-64 options.
3582 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3583 (fixup_errata): Delete TARGET_A_STEP use.
3584 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3585 (TARGET_SWITCHES): Delete -ma-step option.
3586 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3587 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3588 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3589 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3590 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3591 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3593 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3594 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3595 cmovsi_internal): Delete ! TARGET_A_STEP check.
3597 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3599 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3600 possibility to report bugs via postal mail. Change a URL and
3601 merge in a nearly duplicate statement...
3602 (Bug Reporting): ...from here.
3603 (Service): Refer to the Bug Reporting section instead of
3605 (Contributing): Remove trivial explanations concerning snapshots.
3607 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3609 * cppmain.c (general_init): Don't use ANSI prototype.
3611 2001-01-16 Tom Tromey <tromey@redhat.com>
3613 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3615 2001-01-16 Richard Henderson <rth@redhat.com>
3617 * config/i386/i386.h: Fix comment typo.
3618 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3619 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3621 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3623 * gcc.c: Revert previous -fsyntax-only-related change; move
3626 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3628 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3629 inmode after checking GET_CODE (op).
3631 2001-01-16 Richard Henderson <rth@redhat.com>
3633 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3634 (MAX_MEM_SET_LIST_LEN): New.
3635 (propagate_one_insn): Update mem_set_list_len.
3636 (invalidate_mems_from_autoinc): Likewise.
3637 (invalidate_mems_from_set): Likewise.
3638 (mark_used_regs): Likewise.
3639 (init_propagate_block_info): Likewise. Stop collecting memories
3640 when we reach MAX_MEM_SET_LIST_LEN.
3641 (mark_set_1): Likewise.
3643 2001-01-16 Richard Henderson <rth@redhat.com>
3645 * unroll.c (precondition_loop_p): Fail if no iteration
3648 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3650 * gcc.c: When -fsyntax-only is given, do not complain about
3653 2001-01-15 Richard Henderson <rth@redhat.com>
3655 * config/i386/i386.c (asm_output_function_prefix): Remove.
3656 (ix86_asm_file_end): New.
3657 (load_pic_register): Generate pic_label_name into a
3658 staticly allocated buffer.
3659 * config/i386/i386-protos.h: Update.
3660 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3661 (ASM_FILE_END): New.
3662 * config/i386/i386afe.h: New file.
3663 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3664 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3665 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3666 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3667 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3668 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3669 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3671 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3673 * Makefile.in (install-man): Remove explicit dependency on
3676 * configure.in, configure: Revert previous patch requiring perl
3679 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3681 * toplev.c (flag_guess_branch_prob): New.
3682 (f_options): Add guess-branch-probability option.
3683 (rest_of_decl_compilation): Only estimate branch probability if
3685 (main): set flag_guess_branch_prob.
3687 * flags.h (flag_guess_branch_prob): New.
3689 2001-01-15 DJ Delorie <dj@redhat.com>
3691 * gcc.texi (Makefile): Add documentation for Makefile targets.
3693 2001-01-15 Philip Blundell <philb@gnu.org>
3695 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3697 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3698 (is_pic): Delete declaration.
3699 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3700 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3701 * config/arm/arm.md (builtin_setjmp_receiver): New.
3703 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3705 * arm.c (use_return_insn): Don't try to determine the function type
3706 until after reload has completed.
3707 (arm_output_epilogue): Don't adjust the sp value recovered from the
3709 (emit_multi_reg_push): Don't record dwarf information for the pc.
3710 * arm.md (eh_epilogue): The function type may have changed, so it
3711 needs to be recalculated.
3712 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3713 unwind tables on arm/netbsd.
3715 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3717 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3718 (negated_cbranchsi4): Likewise.
3720 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3722 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3723 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3724 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3725 pass -mapcs-* options to assembler.
3726 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3727 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3728 (ASM_SPEC): Call subtarget_extra_asm_spec.
3730 2001-01-15 Andreas Jaeger <aj@suse.de>
3732 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3734 (ix86_expand_builtin): Likewise.
3736 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3737 warning about comparison between signed and unsigned.
3739 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3741 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3743 2001-01-14 Ralf Baechle <ralf@gnu.org>
3745 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3746 SUBTARGET_CPP_SPEC apropriatly.
3748 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3750 * varasm.c (make_decl_rtl): Fix typo in last change.
3752 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3754 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3755 linker supports the init_priority C++ attribute.
3756 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3757 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3758 linker does not support init_priority C++ attribute.
3760 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3762 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3764 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3766 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3767 * cp/lex.c (finish_parse): Similarly.
3768 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3769 Return the number of errors encountered.
3770 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3771 * cppmain.c (main): Don't call cpp_destroy.
3773 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3775 * configure.in: Require at least perl 5.6.0 to regenerate
3777 * configure: Regenerate.
3779 2001-01-14 Richard Henderson <rth@redhat.com>
3781 * genrecog.c (DT_veclen_ge): New.
3782 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3783 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3784 (nodes_identical_1): Handle DT_veclen_ge.
3785 (write_cond, debug_decision_2): Likewise.
3787 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3789 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3791 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3793 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3795 * cppmain.c (do_preprocessing): New function; most of the old
3797 (main): Call it to do most of the work.
3798 (cb): Move from global scope to set_callbacks ().
3799 (setup_callbacks): Get the callback pointer.
3800 (general_init, printer_init): Clean up code and comments.
3802 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3804 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3807 2001-01-14 Kazu Hirata <kazu@hxi.com>
3809 * config/h8300/h8300.c (get_shift_alg): Update comments.
3811 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3813 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3814 (alloc_page, ggc_alloc): Add casts to remove warnings.
3816 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3818 * combine.c (simplify_comparison): Don't change `code' when
3819 can't reverse comparison.
3821 2001-01-14 Richard Henderson <rth@redhat.com>
3823 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3824 update all call sites. Return true for all non-label constants.
3826 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3828 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3830 (ix86_expand_branch): Update.
3831 (ix86_expand_setcc): Update to handle multiple test conditions.
3832 (expand_int_movcc): Likewise.
3833 (expand_fp_movcc): Likewise.
3834 * i386-protos.h (ix86_expand_compare): New.
3835 * i386.md (andqi_?_slp, orqi_?_slp): New.
3836 (conditional trap expander): Update call to ix86_expand_compare.
3838 2001-01-14 Richard Henderson <rth@redhat.com>
3840 * config/vax/vax.md: Use nonimmediate_operand instead of
3841 general_operand in destinations.
3843 * config/vax/vax.md (indirect_jump): Use register_operand.
3845 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3846 * config/vax/vax.md (call_pop): Turn into an expander.
3847 (call_value_pop): Likewise.
3848 (call, call_value): New.
3850 2001-01-14 Andreas Jaeger <aj@suse.de>
3852 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3854 (ix86_fp_compare_mode): Add unused attribute.
3855 (ix86_expand_fp_movcc): Remove unused variable.
3856 (ix86_expand_builtin): Make fcode unsigned.
3858 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3859 (expand_expr): Add cast to avoid signed warning.
3860 (store_field): Likewise.
3861 (store_constructor_field): Likewise.
3862 (store_constructor): Likewise.
3863 (store_expr): Likewise.
3864 (clear_storage): Likewise.
3865 (emit_group_store): Likewise.
3866 (emit_group_load): Likewise.
3868 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3870 * c-common.c: Move format checking code to ...
3871 * c-format.c: ... here. New file. Reorder some functions and
3873 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3875 * c-common.h (decl_handle_format_attribute,
3876 decl_handle_format_arg_attribute): Declare.
3877 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3878 (c-common.o): Adjust dependencies.
3879 (c-format.o): New list of dependencies.
3881 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3883 * unroll.c (loop_iterations): If we cannot prove iteration variable
3884 is set once in each iteration, punt.
3886 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3888 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3889 (*strlenhi): Remove clobber (which was buggy) of output address.
3891 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3893 * Makefile.in (generated-manpages): Add gcc.1
3894 ($(srcdir)/gcc.1): New target.
3895 (maintainer-clean): Delete $(srcdir)/gcc.1.
3896 * gcc.texi: Add macros @gccoptlist and @gol.
3897 * invoke.texi: Include option summary in manpage. Mark up option
3898 summary with @gccoptlist and @gol. Use @r in one place where
3900 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3901 * gcc.1: Generate from invoke.texi.
3903 2001-01-13 Richard Henderson <rth@redhat.com>
3905 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3906 (struct page_entry): Add group member.
3907 (struct page_group): New.
3908 (struct globals): Add page_groups member.
3909 (alloc_anon): Only define for using mmap; remove valloc call.
3910 (page_group_index): New.
3911 (set_page_group_in_use): New.
3912 (clear_page_group_in_use): New.
3913 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3914 (free_page, release_pages): Likewise.
3915 * configure.in (with-gc): Default to ggc-page always.
3917 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3919 * reload1.c (replace_pseudos_in_call_usage): Use
3920 reg_equiv_constant and reg_equiv_address, and don't try
3921 regno_reg_rtx first.
3923 2001-01-13 Richard Henderson <rth@redhat.com>
3925 * ggc-page.c (alloc_page): Round up allocation size to one page.
3926 Set e->order on extra pages.
3928 2001-01-13 Richard Henderson <rth@redhat.com>
3930 * genrecog.c (nodes_identical): Expand commentary.
3931 (write_switch): Watch out for identical nodes.
3933 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3935 * cppfiles.c (_cpp_fake_include): New function.
3936 * cpphash.h (_cpp_fake_include): New.
3937 * cpplib.c (do_line): Call _cpp_fake_include when entering
3938 header files in preprocessed input.
3939 * cppmain.c (cb_pragma_implementation): Remove handling.
3940 (setup_callbacks): Don't register pragmas.
3942 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3944 * extend.texi: Udate for CPP.
3946 2001-01-13 Andreas Jaeger <aj@suse.de>
3948 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3950 * regmove.c: Add prototype for replace_in_call_usage.
3952 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3954 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3955 struct cpp_chunk, struct htab, struct toklist,
3956 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3957 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3958 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3959 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3960 (struct macro_args): Delete.
3961 * cpphash.h: See above.
3963 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3965 * cppmain.c (struct printer): Remove no_line_dirs.
3967 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3968 : Use options rather than CPP_OPTION.
3969 (setup_callbacks): Use cb rather than pfile->cb.
3970 (main): No need to check for a buffer. Use cpp_errors.
3971 (printer_init): Don't set no_line_dirs.
3972 (maybe_print_line): Use options not no_line_dirs.
3973 (cb_file_change): Don't call print_line if -P.
3975 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3977 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3979 * c-parse.in (finish_parse): Use cpp_errors.
3980 (__yylex): Use return value of cpp_pop_buffer.
3981 * cp/lex.c (finish_parse): Use cpp_errors.
3982 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3984 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3986 * README.AVR: URLs corrected.
3988 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3990 * c-decl.c (start_function): Don't warn if old prototype is builtin
3991 that's not in C's namespace.
3992 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3993 (_bb): Add prototype for ctime.
3994 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3996 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3998 * i386.c (ix86_fp_comparison_arithmetics_cost,
3999 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4000 ix86_fp_comparison_cost): New functions.
4001 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4002 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4003 two-branch sequences; make static.
4004 (ix86_use_fcomi_compare): Do decision according to the costs.
4005 (split_fp_branch): New.
4006 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4007 * i386-protos.h (ix86_expand_fp_compare): Remove
4008 (ix86_split_fp_branch): Declare.
4010 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4011 and ix86_comparison_operator.
4013 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4016 * i386.c (put_condition_code): Output properly the unordered/ordered
4017 compares in fp case.
4018 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4020 * tm.texi (REVERSE_CONDITION): Document.
4021 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4022 in -ffast-math mode.
4023 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4025 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4027 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4029 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4032 * config/sh/sh.c (mova_p): Fix test for mova_const.
4034 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4036 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4037 cpp_get_options rather than dereferencing pfile and using
4039 * scan-decls.c (scan_decls): Use return value of
4040 cpp_pop_buffer rather than CPP_BUFFER.
4042 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4044 * cppinit.c (cpp_handle_option): help_only is now part of the
4045 cpp_options structure.
4046 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4047 cpp_set_callbacks): New functions.
4048 * cpplib.h (cpp_callbacks): Break out as a named structure.
4049 (cpp_options): Move help_only here from cpp_reader.
4050 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4051 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4052 cpp_set_callbacks): New prototypes.
4053 * cppmain.c (main): Update for help_only.
4055 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4057 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4058 Also build and remove and install and uninstall c-tree.info and
4060 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4061 ($(srcdir)/cppinternals.info): New target.
4062 * c-tree.texi: Change file name used when makeinfo used without -o
4063 from ir.info to c-tree.info. Add info directory entry.
4064 * cppinternals.texi: Add info directory entry.
4065 * .cvsignore: Update.
4067 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4069 * c-typeck.c (store_init_value): Don't require constant initializer
4070 elements with -pedantic -std=c99.
4071 (digest_init): Change error about non-constant initializer elements
4073 (constructor_range_end): Remove.
4074 (constructor_incremental, designator_depth,
4075 designator_errorneous): New variables.
4076 (struct constructor_stack): Remove range_end, add incremental.
4077 (struct constructor_range_stack, constructor_range_stack): New.
4078 (struct initializer_stack): Add constructor_range_stack.
4079 (finish_init): Set it.
4080 (start_init): Likewise. require_constant_elements for non-static
4081 trees only if not flag_isoc99.
4082 (really_start_incremental_init): Remove constructor_range_end, add
4083 constructor_incremental.
4084 (pop_init_level): Likewise.
4085 (push_init_level): Likewise. If implicit and the subobject had some
4086 value set already, preinitialize the level with it.
4087 Warn about missing braces only if not pushing due to designators.
4088 (set_designator, push_range_stack): New functions.
4089 (set_init_label): Use them.
4090 (set_init_index): Likewise. Remove constructor_range_end.
4091 Error if designator index is outside of array bounds.
4092 (add_pending_init): Compare values of purpose index trees, not the
4093 trees themselves. Allow overwriting of already initialized element.
4094 Issue a warning if it had side-effects.
4095 (set_nonincremental_init, set_nonincremental_init_from_string): New
4097 (pending_init_member): Rename to...
4098 (find_init_member): ...this function. Call set_nonincremental_init
4099 if necessary. Compare values of purpose index trees, not the trees
4100 themselves. Return the actual value, not just non-zero if something
4102 (output_init_element): Remove checks for duplicates.
4103 If field has zero size, only check the initializer for correctness.
4104 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4105 if constructor_incremental is zero. Change error about initializers
4106 not computable at load time into pedwarn.
4107 (output_pending_init_elements): Compare bit positions, not
4108 FIELD_DECLs to take into account zero-sized fields.
4109 (process_init_element): Use constructor_range_stack to fill all
4110 ranges in the designator lists from current level up.
4111 * extend.texi: Update documentation for labeled elements.
4113 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4115 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4116 to function usage for arguments passed by reference. Optimize
4117 callee-copied arguments.
4118 * regmove.c (replace_in_call_usage): New function.
4119 (fixup_match_1): Call it.
4120 * cse.c (cse_insn): Canonicalize registers in function usage.
4121 * reload1.c (replace_pseudos_in_call_usage): New function.
4124 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4127 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4129 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4132 2001-01-12 DJ Delorie <dj@redhat.com>
4134 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4135 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4138 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4140 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4141 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4142 -std options alongside references to -ansi. Update some
4143 documentation for C99.
4144 * cpp.1: Regenerate.
4146 2001-01-12 Andreas Jaeger <aj@suse.de>
4148 * haifa-sched.c (restore_line_notes): Remove argument block B
4150 * sched-ebb.c (schedule_ebb): Change caller.
4151 * sched-rgn.c (schedule_region): Likewise.
4152 * sched-int.h (restore_line_notes): Adjust prototype.
4154 * loop.h: Remove wrong declaration of doloop_condition_get.
4156 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4158 * extend.texi: Move C++-extension-related node from the C section
4159 into the C++ section.
4161 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4163 * extend.texi: Refer to an array of pointers to functions instead
4164 of one of functions.
4166 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4167 Jan Hubicka <jh@suse.cz>
4169 * combine.c (reversed_comparison): Fix typo in last patch.
4171 (combine_reversed_comparison_code): Make static to follow
4172 prototype declaration.
4174 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4176 * install.texi: Remove misplaced duplicate entry.
4178 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4180 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4182 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4184 * final.c: (leaf_function_p): Fix typo.
4186 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4188 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4189 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4191 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4192 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4193 mmap_anon, and valloc is available.
4194 * ggc-page.c: Restructure ifdef logic to match new autoconf
4195 spec. Don't throw away the test page in init_ggc.
4197 * configure, config.in: Regenerate.
4199 2001-01-12 Michael Hayes <mhayes@redhat.com>
4201 * loop.h (total_biv_increment): Constify iv_class pointer.
4202 (struct induction): Replace `mem_mode' with `mem' rtx.
4203 * unroll.c (total_biv_increment): Constify iv_class pointer.
4204 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4205 (find_mem_givs, combine_givs_p): Likewise.
4206 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4208 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4210 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4212 (__gthread_getspecific): Ditto.
4214 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4216 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4217 put_condition_code): Convert fp comparison codes to integer
4219 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4222 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4223 * i386-protos.h (no_comparison_operator): Kill.
4225 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4227 * combine.c (REVERSIBLE_CC_MODE): Remove.
4228 (reversible_comparison_p): Remove.
4229 (combine_reversed_comparison_code): New.
4230 (reversed_comparison): New.
4231 (combine_simplify_rtx): Use
4232 combine_reversed_comparison_code/reversed_comparison instead
4233 of reversible_comparison_p.
4234 (simplify_if_then_else): Likewise.
4235 (simplify_set): Likewise.
4236 (simplify_logical): Likewise.
4237 (if_then_else_cond): Likewise.
4238 (known_cond): Likewise.
4239 (simplify_comparison): Likewise.
4241 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4243 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4244 sizeof (int) is larger than sizeof(__word__).
4246 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4248 * cppinit.c (do_includes): Fix typo.
4250 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4252 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4253 in S_REGS does not occur because not all sources are possible
4254 when a S_REGS is a destination (sometimes needs a clobber).
4255 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4256 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4257 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4258 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4259 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4260 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4261 (lshrdi_const1, lshrsi3_const16): Likewise.
4262 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4263 (*movhi_68hc12, *movqi_68hc12): Likewise.
4264 (movstrictqi): Make sure reloading in D_REGS as a destination
4267 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4269 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4271 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4273 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4274 -D, -U and -A, and don't initialize the builtins.
4275 (do_includes): Error if -include or -imacros with -fpreprocessed.
4276 * cppmain.c (cb_define, cb_undef): Unconditionally process
4278 * tradcpp.c (main): Fix typo.
4280 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4282 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4283 (read_name_map): Use IS_ABSOLUTE_PATH.
4284 * tradcpp.c (get_filename): Likewise.
4286 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4288 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4289 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4290 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4291 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4292 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4293 (cmphi_z_used): Don't use '@' for the output.
4294 (tstqi_z_used): Likewise.
4295 (cmpqi_z_used): Likewise.
4296 (one_cmplsi2): Likewise.
4298 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4300 * config/sh/sh.c (barrier_align): Recognize branch around far
4301 branch and redundant insn.
4303 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4305 * invoke.texi: Restore documentation of the drivers' switches -MD
4308 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4310 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4312 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4313 check-objc//%): Support parallel testing of multilibs.
4314 (TESTSUITEDIR): Set to testsuite by default, but override for
4316 (check-gcc, check-g++, check-g77, check-objc): Enter
4319 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4321 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4322 * sched-deps.c (deps_may_trap_p): Likewise.
4323 * basic-block.h: Remove a comment.
4324 * flow.c (PROP_POSTRELOAD): Remove.
4325 (update_life_info): Don't add it to prop_flags.
4326 (mark_set_1): Lose the code that was enabled by it.
4328 2001-01-11 Michael Hayes <mhayes@redhat.com>
4330 * flow.c (flow_call_edges_add): New.
4331 * basic_block.h (flow_call_edges_add): New.
4333 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4335 * reload1.c (move2add_note_store): Update reg_set_luid even if
4336 base reg remains the same.
4338 2001-01-10 Nick Clifton <nickc@redhat.com>
4340 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4341 machine_function structure to zero.
4342 Add prototypes for machine_status functions.
4344 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4346 * c-common.h (CTI_VOID_LIST): Remove.
4347 (void_list_node): Likewise.
4348 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4349 (void_list_node): New macro.
4350 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4351 * config/i386/i386.c (ix86_init_builtins): Likewise.
4352 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4354 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4356 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4357 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4359 * tradcpp.c: Include mkdeps.h.
4360 (deps, print_deps_phony_targets, deps_append, output_deps,
4361 init_dependency_output, output_deps): New.
4362 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4363 deps_output): Delete.
4364 (print_deps_missing_files): Rename deps_missing_files.
4365 (inhibit_output): Make global.
4366 (main): Delete inhibit_output, deps_stream, deps_target.
4367 Use mkdeps functionality in the same way as cpplib. Remove
4368 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4369 -M and -MM. Remove old handling of deps via deps_out, and
4370 old reading of environment variables.
4371 (get_filename): Update to use deps_add_dep.
4373 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4375 * output.h (make_function_rtl): Remove prototype.
4376 (make_decl_rtl): Likewise.
4377 * varasm.c (make_function_rtl): Remove.
4378 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4379 than from a third parameter.
4380 * tree.h (make_decl_rtl): Remove last parameter.
4381 * c-decl.c (builtin_function): Remove last argument in call to
4382 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4383 (start_function): Likewise.
4384 * except.c (call_get_eh_context): Likewise.
4385 * expr.c (emit_block_move): Likewise.
4386 (clear_storage): Likewise.
4387 * profile.c (output_func_start_profiler): Likewise.
4388 * toplev.c (rest_of_decl_compilation): Likewise.
4389 * objc/objc-act.c (create_builtin_decl): Likewise.
4390 (synth_module_prologue): Likewise.
4391 (generate_static_reference): Likewise.
4392 (build_selector_reference_decl): Likewise.
4393 (build_class_reference_decl): Likewise.
4394 (build_objc_string_decl): Likewise.
4395 (build_protocol_reference): Likewise.
4397 2001-01-10 Richard Henderson <rth@redhat.com>
4399 * hwint.h: Revert yesterday's change.
4401 2001-01-10 Nick Clifton <nickc@redhat.com>
4403 * function.h (save_machine_status): Delete.
4404 (restore_machine_status): Delete.
4405 Amend comment describing {init|mark|free}_machine_status.
4407 * function.c (save_machine_status): Delete.
4408 (restore_machine_status): Delete.
4409 Amend comment describing {init|mark|free}_machine_status.
4410 (push_function_context_to): Remove invocation of
4411 save_machine_status.
4412 (pop_function_context_from): Remove invocation of
4413 restore_machine_status.
4415 * emit-rtl.c (init_emit_once): Amend comment describing
4416 {init|mark|free}_machine_status.
4418 * tm.texi (Per-Function Data): New node. Describe the
4419 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4422 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4424 * cppinit.c (OPT_g): Remove.
4425 (cpp_handle_option): Update for removed -g3.
4426 (print_help): Update.
4427 * cpplib.h (struct cpp_options): Remove debug_output.
4428 * cppmain.c (setup_callbacks, cb_define): Update.
4429 * gcc.c (cpp_options): Translate -g3 to -dD.
4431 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4433 * config/i960/i960.md: Change modifier to + on the zero_extract
4434 pattern after the (rotate -2 reg) canonicalization pattern.
4436 2001-01-10 Richard Henderson <rth@redhat.com>
4438 * config/alpha/alpha.c (alpha_free_machine_status): New.
4439 (override_options): Install it.
4440 (alpha_mark_machine_status): Verify machine non-null.
4441 * config/i386/i386.c (ix86_free_machine_status): New.
4442 (override_options): Install it.
4443 (ix86_init_machine_status): Use xcalloc.
4444 (ix86_mark_machine_status): Verify machine non-null.
4445 * config/ia64/ia64.c (ia64_free_machine_status): New.
4446 (ia64_override_options): Install it.
4447 (ia64_mark_machine_status): Verify machine non-null.
4449 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4451 * function.c (instantiate_virtual_regs): Instantiate virtual
4452 registers found in CALL_INSN_FUNCTION_USAGE.
4454 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4456 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4457 equivalent to -ansi in disabling -Di386.
4459 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4461 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4463 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4465 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4467 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4469 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4471 * invoke.texi: Document that -fcond-mismatch isn't supported for
4474 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4476 * gcc.texi: Define macro gcctabopt.
4477 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4478 @command, @env and @option in some places where appropriate. Use
4479 @gcctabopt where appropriate. Put URLs and email addresses inside
4482 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4484 * gcc.c (cpp_options): Set MD file name from output
4485 filename, if specified.
4486 (suffix_subst): New static variable.
4487 (do_spec): Clear it.
4488 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4490 (give_switch): Handle suffix_subst.
4492 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4494 * invoke.texi: Fix another typo.
4496 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4498 * invoke.texi: Fix typo.
4500 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4502 * c-lang.c (lang_hooks): Update.
4503 (lang_decode_option): Remove.
4504 (lang_init_options): Rename c_init_options.
4505 * toplev.c (main): Use lang_hooks for lang_init_options
4506 and lang_decode_option.
4507 * toplev.h (lang_hooks): Add 2 new hooks.
4508 * tree.h: Remove lang_init_options and lang_decode_option.
4509 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4510 * cp/decl2.c: Similarly.
4511 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4512 (lang_hooks): Update.
4513 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4515 (lang_init_options): Rename ffe_init_options.
4516 (lang_hooks): Update.
4517 (lang_decode_option): Remove.
4518 * java/lang.c (lang_init_options): Rename java_init_options.
4519 (lang_decode_option): Rename java_decode_option.
4520 (lang_hooks): Update.
4521 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4522 (lang_decode_option): Rename objc_decode_option.
4523 (lang_hooks): Update.
4525 2001-01-09 Nick Clifton <nickc@redhat.com>
4527 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4528 (d30v_return_addr_rtx): Delete.
4529 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4530 cfun->machine structure.
4531 (struct machine_function): Move to d30v.h
4532 (d30v_save_machine_status): Delete.
4533 (d30v_restore_machine_status): Delete.
4534 (d30v_init_machine_status): New Function.
4535 (d30v_mark_machine_status): New Function.
4536 (d30v_free_machine_status): New Function.
4537 (d30v_init_expanders): Use new functions.
4538 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4539 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4540 d30v_return_addr_rtx.
4542 * config/d30v/d30v.h (struct_machine): Move here.
4543 Add eh_epilogue_sp_ofs field.
4545 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4546 field in cfun->machine structure.
4548 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4550 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4551 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4552 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4554 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4556 * objc/lang-options.h: Remove bogus reference to
4559 2001-01-09 Kazu Hirata <kazu@hxi.com>
4561 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4564 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4566 * reload.c (find_reloads_address): Check for eliminable registers
4567 when substituting a constant expression for a pseudo.
4569 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4571 * c-common.c (enum format_type): Add format_type_error.
4572 (decode_format_type): New function.
4573 (decl_attributes): Use it.
4574 (format_kind_info): Adjust comment.
4576 2001-01-09 David O'Brien <obrien@BSDi.com>
4578 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4579 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4581 * config/i386/gnu.h: Don't include required platform specific .h files,
4582 tm.h will do it instead.
4583 * config/i386/i386elf.h: Likewise.
4584 * config/i386/linux.h: Likewise.
4585 * config/i386/moss.h: Likewise.
4586 * config/mips/gnu.h: Likewise.
4588 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4590 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4591 (rs6000-ibm-aix3.[01]*): Likewise.
4592 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4593 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4594 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4595 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4596 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4597 (powerpc-*-eabiaix*): Likewise.
4598 (powerpc-*-eabisim*): Likewise.
4599 (powerpc-*-elf*): Likewise.
4600 (powerpc-*-eabi*): Likewise.
4601 (powerpc-*-rtems*): Likewise.
4602 (powerpc-*-linux*libc1): Likewise.
4603 (powerpc-*-linux*): Likewise.
4604 (powerpc-wrs-vxworks*): Likewise.
4605 (powerpcle-wrs-vxworks*): Likewise.
4606 (powerpcle-*-sysv*): Likewise.
4607 (powerpcle-*-elf*): Likewise.
4608 (powerpcle-*-eabisim*): Likewise.
4609 (powerpcle-*-eabi*): Likewise.
4610 (powerpcle-*-solaris2*): Likewise.
4611 * config/rs6000/aix31.h: Delete includes.
4612 * config/rs6000/aix3newas.h: Likewise.
4613 * config/rs6000/aix41.h: Likewise.
4614 * config/rs6000/aix43.h: Likewise.
4615 * config/rs6000/beos.h: Likewise.
4616 * config/rs6000/rtems.h: Likewise.
4617 * config/rs6000/sysv4.h: Likewise.
4619 2001-01-09 Kazu Hirata <kazu@hxi.com>
4621 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4622 Change an argument mode of machine_mode to shift_mode of
4623 shift_mode. Remove an extra error check.
4624 (emit_a_shift): Adopt to the new calling prototype of
4626 (function_prologue): Fix code for a monitor
4627 function. Support H8/S.
4628 (function_epilogue): Do not output pop for a monitor function.
4630 2001-01-09 Nick Clifton <nickc@redhat.com>
4632 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4633 (setup_incoming_varargs): Use sysv_varargs_p field of the
4634 cfun->machine structure.
4635 (struct machine_function): Move to rs6000.h
4636 (rs6000_save_machine_status): Delete.
4637 (rs6000_restore_machine_status): Delete.
4638 (rs6000_init_machine_status): New Function.
4639 (rs6000_free_machine_status): New Function.
4640 (rs6000_init_expanders): Use new functions.
4642 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4644 (struct machine_function): Move here.
4646 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4647 sysv_varargs_p field of the cfun->machine structure.
4649 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4651 (rs6000_restore_machine_status): Remove prototype.
4653 2001-01-09 Richard Henderson <rth@redhat.com>
4655 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4656 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4657 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4658 (sched_analyze_2, sched_analyze_insn): Likewise.
4659 (sched_analyze, init_deps): Likewise.
4660 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4661 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4662 (compute_block_backward_dependences): Update propagate_deps call.
4664 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4666 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4668 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4670 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4671 (cpp_handle_option): Handle them.
4672 (cpp_post_options): Ensure one of -M or -MM is specified with
4673 any other -M? option.
4674 (init_dependency_output): Suppress output with -MG.
4676 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4679 * invoke.texi: Update.
4681 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4683 * sh.md (reload_outsf): Generate recognizable patterns for
4686 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4688 * c-lang.c (lang_hooks): Update.
4689 (lang_init): Rename c_init.
4690 (lang_finish): Remove.
4691 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4693 * toplev.h (lang_hooks): Add init () and finish ().
4694 * tree.h (lang_init, lang_finish): Remove.
4695 * cp/tree.h (lang_init, lang_finish): Remove.
4696 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4697 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4699 (lang_init, lang_finish): Remove.
4700 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4701 (lang_hooks): Update.
4702 * java/lang.c (lang_init): Rename java_init.
4703 (lang_finish): Remove.
4704 (lang_hooks): Update.
4705 * objc/objc-act.c (lang_init): Rename objc_init.
4706 (lang_finish): Remove.
4707 (lang_hoooks): Update.
4709 20001-01-09 Graham Stott <grahams@redhat.com>
4711 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4712 after `ptr` is initialised.
4714 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4716 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4717 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4718 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4719 stack adjusts, instead of r3.
4721 2001-01-09 Michael Hayes <mhayes@redhat.com>
4723 * flow.c (flow_loop_scan): Break out of ...
4724 (flow_loops_find) ... here.
4725 * basic-block.h (flow_loop_scan): New.
4726 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4727 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4729 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4731 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4733 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4734 realloc()ing macro_buffer.
4736 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4737 if it's wider than long and the target's long is wider than the
4740 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4742 Remove support for using UWIN as a host machine.
4743 * configure.in: Issue an error message.
4744 * configure: Regenerated.
4745 * config.gcc: Remove xm_* UWIN configury.
4746 * config/i386/xm-uwin.h: Remove.
4748 2001-01-08 Nick Clifton <nickc@redhat.com>
4750 * config/v850/v850.c (ra_rtx): Delete.
4751 (v850_save_machine_status): Delete.
4752 (v850_restore_machine_status): Delete.
4753 (v850_init_machine_status): New function.
4754 (v850_mark_machine_status): New function.
4755 (v850_free_machine_status): New function.
4756 (v850_return_addr): Use ra_rtx field in machine structure.
4757 (v850_init_expanders): Use new functions.
4759 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4760 * config/v850/v850.c: Change arguments to v850_output+* functions
4761 to take a const char *, to avoid compile time warning.
4762 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4763 (USER_LABEL_PREFIX): Redefine.
4765 2000-01-08 Jim Wilson <wilson@redhat.com>
4767 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4768 1 to unsigned HOST_WIDE_INT before left shift.
4770 2001-01-08 Nick Clifton <nickc@redhat.com>
4772 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4773 the machine structure has been allocated.
4774 (arm_free_machine_status): New function: Free the machine
4775 specific function structure.
4777 2001-01-08 Richard Henderson <rth@redhat.com>
4779 * jump.c (simplejump_p): Revert last change.
4781 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4783 * cppinit.c (init): Rename init_library.
4784 (cpp_create_reader): Update.
4785 * gcc.c (cpp_options): If -o given, use it as the target of
4788 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4790 * arm.c (arm_arch5e): New variable.
4791 (all_cores): XScale is a 5TE device.
4792 (arm_override_options): Set arm_arch5e.
4793 (arm_init_builtins): __builtin_prefetch is in arch5e.
4794 * arm.h (arm_arch5e): Declare it.
4796 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4798 * arm.md (define_constants): Add defines for UNSPEC and
4799 UNSPEC_VOLATILE insns. Update all users.
4800 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4801 * arm.c (multi_register_push, note_invalid_constants)
4802 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4803 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4804 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4806 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4808 * jump.c (jump_optimize_1): Use reversed_comparison_code
4809 instead of can_reverse_comparison_p.
4810 (jump_back_p): Likewise.
4811 (invert_exp_1): Likewise.
4812 (thread_jumps): Likewise.
4813 * simplify-rtx.c (simplify_unary_operation): Likewise.
4814 (simplify_ternary_operation): Likewise.
4815 * cse.c (find_comparison_args): Convert to use
4816 can_reverse_comparison_p.
4817 (record_jump_equiv): Likewise.
4819 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4821 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4822 (EPILOGUE_USES): Define.
4823 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4824 automatically stack the LR if it isn't live.
4826 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4828 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4831 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4833 * ggc-page.c (max_alignment): New structure.
4834 (MAX_ALIGNMENT): New macro.
4835 (init_ggc): Use it to round up the sizes in the
4836 extra_order_size_table.
4838 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4840 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4843 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4845 * builtins.def (BUILT_IN_FPRINTF): New entry.
4847 * c-common.c (c_expand_builtin_fprintf): New function.
4848 (init_function_format_info): Handle __builtin_fprintf.
4849 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4850 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4852 * c-decl.c (duplicate_decls): Adjust comment.
4854 * extend.texi (fprintf): Document new builtin.
4856 2001-01-07 Richard Henderson <rth@redhat.com>
4858 * jump.c (simplejump_p): Recognize any single_set jump
4861 2001-01-07 Richard Henderson <rth@redhat.com>
4863 * configure.in (slibdir): Accept an --with-slibdir option.
4864 Use "test" not "[" in configure. Default to $(libdir).
4866 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4868 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4869 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4870 (SHLIB_LINK): Create links for the soname.
4871 * config/mips/t-iris6: Likewise.
4872 * config/sparc/t-slibgcc: Likewise.
4873 * config/sparc/t-slibgcc-sld: Likewise.
4875 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4877 * config/i386/i386.c (constant_call_address_operand): Accept
4878 (const (plus (symbol_ref) (const_int))).
4879 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4880 constant_call_address_operand.
4882 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4884 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4885 and LONG_LONG_TYPE_SIZE > 32.
4887 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4889 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4890 the previous change.
4892 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4894 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4896 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4897 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4898 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4901 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4903 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4905 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4907 * c-lang.c (c_post_options): Call cpp_post_options.
4908 * objc/objc-act.c (objc_post_options): Similarly.
4909 * cppmain.c (main): Similarly.
4910 * fix-header.c (read_scan_file): Similarly.
4911 * cppinit.c (cpp_start_read): Move option consistency checks
4912 to cpp_post_options. Don't call init_dependency_output.
4913 If needed, add default target and main file dependency.
4914 (OPT_MD, OPT_MMD): Remove.
4916 (cpp_handle_option): Update for OPT_* changes.
4917 (cpp_post_options): New.
4918 (init_dependency_output): Command line -MF overrides environment
4919 variables. Don't set default target etc. Suppress output
4920 if dependencies are going to stdout.
4921 (print_help): Update.
4922 * cpplib.h (cpp_post_options): New.
4923 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4925 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4927 * jump.c (comparison_dominates_p): Support unordered compares.
4929 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4931 * simplify-rtx.c (simplify_relational_operation): Always simplify
4932 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4935 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4937 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4938 (nonzero_bits): Likewise.
4939 (simplify_comparison): Likewise.
4940 (num_sign_bit_copies): Likewise; return more sane value depending
4941 on STORE_FLAG_VALUE.
4942 (known_cond): Do not assume EQ to be always true for equivalent
4945 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4947 * cse.c (fold_rtx): Handle unordered comparisons.
4949 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4951 * rtlanal.c (set_of_1): New static function.
4952 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4953 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4954 reg_set_last_last_regno): Remove.
4955 (set_of): New global function.
4956 (set_of_data): New structure.
4957 (reg_set_p, reg_set_last): Revamp for set_of.
4958 * rtl.h (set_of): New.
4960 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4962 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4963 * extend.texi: Document _Exit builtin.
4965 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4967 * (initialize, initialize_builtins,
4968 initialize_dependency_output, initialize_standard_includes):
4969 Rename s/initialize/init. Update.
4970 (init_dependency_output): Move to after
4971 cpp_handle_options, the correct location temporally at least.
4972 (opt_comp): Move next to init (), its caller. Fix prototype.
4973 (init): Make "initialized" local scope.
4974 (cpp_create_reader): Always call init ().
4975 (cpp_start_read): Update.
4976 (output_deps): New function, broken out of cpp_finish.
4977 (cpp_finish): Break out output_deps.
4979 2001-01-07 Richard Henderson <rth@redhat.com>
4981 * collect2.c (COFF specific stuff): Revert 12-06 patch
4982 to prototype system functions.
4984 2001-01-07 Michael Hayes <mhayes@redhat.com>
4986 * hard-reg-set.h: Add multiple include guard.
4987 * basic-block.h (struct loop): Add `sink' field.
4988 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4989 (emit_iv_add_mult): Delete.
4990 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4991 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4992 (unroll_loop): Remove end_insert_before argument.
4993 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4994 (maybe_eliminate_biv_1): Likewise.
4995 (emit_iv_add_mult): Delete.
4996 (gen_add_mult, loop_regs_update): New.
4997 (loop_insn_emit_after, loop_insn_emit_before): New.
4998 (loop_insn_sink, loop_insn_sink_or_swim): New.
4999 (emit_iv_add_mult): Delete.
5000 (scan_loop): Set loop->sink.
5001 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5002 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5003 (maybe_eliminate_biv_1): Likewise.
5004 (maybe_eliminate_biv_1): Add basic block argument.
5005 * unroll.c (unroll_loop): Remove end_insert_before argument.
5006 (find_splittable_regs): Likewise.
5007 (find_splittable_regs): Use loop_insn_sink and its ilk.
5008 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5010 2001-01-07 Michael Hayes <mhayes@redhat.com>
5012 * loop.h (loop_insn_hoist): New prototype.
5013 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5014 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5015 (check_dbra_loop, load_mems): Likewise.
5016 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5017 (find_splittable_givs): Likewise.
5019 2001-01-07 Michael Hayes <mhayes@redhat.com>
5021 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5023 2001-01-07 Richard Henderson <rth@redhat.com>
5025 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5027 2001-01-07 Richard Henderson <rth@redhat.com>
5029 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5030 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5031 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5032 variant that handles a shared libgcc.
5033 (process_command): Always validate -{static,shared}-libgcc.
5034 (do_spec_1): New 'M' case.
5035 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5037 2001-01-07 Richard Henderson <rth@redhat.com>
5039 * Makefile.in (slibdir): New variable.
5040 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5041 (installdirs): Create slibdir.
5042 (install-libgcc, install-multilib): Defer to libgcc.mk.
5043 * configure.in (slibdir): Substitute.
5044 * mklibgcc.in (install): New target.
5046 * config/t-linux (SHLIB_LINK): Create links for the soname.
5047 (SHLIB_INSTALL): New.
5048 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5049 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5050 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5051 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5052 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5054 2001-01-07 Richard Henderson <rth@redhat.com>
5056 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5057 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5058 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5060 2001-01-07 Michael Hayes <mhayes@redhat.com>
5062 * loop.c (count_loop_regs_set): Delete.
5063 (load_mems_and_recount_loop_regs_set): Delete.
5064 (loop_regs_scan): Merge common code from count_loop_regs_set,
5065 scan_loop, and load_mems_and_recount_loop_regs_set.
5066 (scan_loop): Call load_mems directly and loop_regs_scan
5067 again if new registers created.
5069 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5071 * toplev.c (main): Call the front-end specific post_options
5072 hook if one is given.
5073 * toplev.h (struct_lang_hooks, lang_hooks): New.
5074 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5075 for the C front end.
5076 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5077 lang_hooks for the C++ front end.
5078 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5079 lang_hooks for the ObjC front end.
5080 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5081 * java/lang.c (lang_hooks): Hooks for the Java front end.
5083 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5085 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5086 for verbose DWARF[2] debugging.
5087 (cb_define, cb_undef): The new callbacks.
5088 * toplev.h (debug_define, debug_undef): Make const correct.
5089 * toplev.c (debug_define, debug_undef): Similarly. Do not
5090 perform the verbosity tests here anymore.
5092 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5094 * reload.c (subst_reloads): Take INSN argument. When
5095 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5096 * reload.h (subst_reloads): Adjust prototype.
5097 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5098 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5099 present in JUMP_INSNs and copy them to JUMP_LABEL.
5100 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5101 JUMP_INSNs and insns with REG_LABELs that are followed by
5102 JUMP_INSNs with the same REG_LABEL.
5103 * sched-rgn.c (is_cfg_nonregular): Likewise.
5104 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5106 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5108 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5110 2001-01-06 Richard Henderson <rth@redhat.com>
5112 * loop.c (scan_loop): Use xcalloc for the regs array.
5113 (load_mems_and_recount_loop_regs_set): Zero the new memory
5114 received from xrealloc.
5116 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5118 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5120 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5122 * integrate.c (copy_rtx_and_substitute): When copying
5123 an ignored return value, strip REG_FUNCTION_VALUE_P.
5125 2001-01-06 Michael Hayes <mhayes@redhat.com>
5127 * loop.c (debug_biv, debug_giv): New.
5128 (loop_biv_dump): Break out from ...
5129 (record_biv): ... here.
5130 (loop_giv_dump): Break out from ...
5131 (record_giv): ... here.
5132 (loop_bivs_check): Use print_simple_rtl.
5133 * unroll.c (loop_iterations): Use print_simple_rtl.
5135 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5137 * pa.md (return, return_internal): Modify patterns to prevent regrename
5138 mucking with the return pointer.
5140 2001-01-05 Richard Henderson <rth@redhat.com>
5142 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5144 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5146 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5147 version supplied by Matteo Frigo.
5149 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5151 * cpp.texi: Update for -MQ.
5152 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5153 (cpp_cleanup): Always free pfile->deps.
5154 (initialize_dependency_output): Don't create pfile->deps.
5155 (cpp_handle_option): Similarly.
5157 * gcc.c (cpp_options): Handle -MQ.
5158 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5159 * mkdeps.c (base_name): Remove.
5160 (deps_init): Don't allocate vector space until it's needed.
5161 (deps_free): Only free vectors if allocated.
5162 (deps_add_target, deps_add_dep): Update for initial allocation.
5163 (deps_add_default_target): Don't strip to the base_name.
5165 2001-01-05 DJ Delorie <dj@redhat.com>
5167 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5168 (INIT_EXPANDERS): Define.
5170 * config/v850/v850.c (struct machine_function): Define.
5171 (v850_save_machine_status): New function.
5172 (v850_restore_machine_status): New function.
5173 (v850_return_addr): New function.
5174 (v850_init_expanders): New function.
5176 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5177 and v850_init_expanders.
5179 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5181 * cpplib.h (struct cpp_reader): Add help_only field.
5182 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5183 (cpp_handle_option): Set pfile->help_only if we see -h,
5184 --help, -target-help, or --version. Print version string but
5185 do not set help_only if we see -v or -version. Make text
5186 printed by -v match that printed by (-)-version.
5188 * cppmain.c (main): Exit after option parsing if
5189 pfile->help_only is true.
5191 * toplev.c (independent_decode_option): Call print_version,
5192 then exit, if we see --version (but not -version).
5193 (print_version): Split lengthy message into two lines.
5195 2001-01-05 Nick Clifton <nickc@redhat.com>
5197 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5198 temporary string for initialisation before calling ggc_alloc_string.
5200 2001-01-06 Michael Hayes <mhayes@redhat.com>
5202 * rtl.h (print_simple_rtl): New.
5203 * print-rtl.c (print_simple_rtl): New.
5205 (print_rtx): Disable printing of flags and modes, etc.,
5206 if `flag_simple` nonzero.
5208 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5210 * function.c (fixup_var_refs): Use push_to_full_sequence where
5213 2001-01-05 Michael Meissner <meissner@redhat.com>
5215 * flags.h (flag_reorder_blocks): Add declaration.
5216 (flag_rename_block): Ditto.
5218 2001-01-05 DJ Delorie <dj@redhat.com>
5220 * function.c (reorder_blocks): Make sure the flags are all reset
5221 before using them to mark blocks, else a second invocation will
5222 corrupt the block chain.
5223 (reorder_blocks_0): New, resets the flags.
5225 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5227 * cse.c (find_comparison_args): Stop if the argument is known to
5230 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5232 * config/sh/sh.md (movdf): When splitting load into pair of
5233 registers, don't clobber the register used in the address too
5236 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5238 * varasm.c (mark_constant_pool): Improve initial comments.
5239 (mark_constants): Move marking of constants to mark_constant.
5240 (mark_constant): New function to recursively mark all constants
5241 referred to by a constant.
5243 2001-01-05 Catherine Moore <clm@redhat.com>
5245 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5247 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5249 * cp/lang-options.h: Bring comment in line with reality.
5250 * f/lang-options.h: Likewise.
5251 * java/lang-options.h: Likewise.
5252 * objc/lang-options.h: Likewise.
5253 * ch/lang-options.h: Likewise.
5254 * f/g77.texi: And update the manual.
5256 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5257 Denis Chertykov <denisc@overta.ru>
5259 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5260 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5261 * config/avr/avr.md (all peepholes that request a scratch register):
5262 Call it, FAIL the peephole if not safe (in interrupt functions).
5264 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5266 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5268 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5270 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5272 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5273 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5274 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5275 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5276 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5278 * extend.texi: Document these builtins.
5280 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5282 * c-common.c (lang_get_alias_set): Say we know nothing of
5283 VECTOR_TYPE aliasing.
5285 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5287 2001-01-05 Bruce Korb <bkorb@gnu.org>
5289 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5290 their x* equivalent versions for atexit-less systems
5291 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5292 systems (or any other system any more).
5294 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5296 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5297 output operands. Use arm_hard_register_operand for operand 4.
5298 (stmsi_postinc): Similarly.
5299 (ldmsi): Use arm_hard_register_operand for opernand 2.
5301 * arm.c (arm_hard_register_operand): New function.
5302 * arm-protos.h (arm_hard_register_operand): Prototype it.
5304 * arm.h (HARD_REGNO_RENAME_OK): Define.
5306 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5308 * simplify-rtx.c (cfc_args): add "unordered" field.
5309 (check_fold_consts): Set unordered field.
5310 (simplify_relational_operation): Simplify the unordered
5313 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5316 * emit-rtl.c (try_split): Fix code to mark labels.
5317 * jump.c (mark_jump_label): Make global.
5318 * rtl.h (mark_jump_label): Declare.
5320 * predict.c (estimate_probability): Handle unordred comparisons.
5322 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5324 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5325 * cppinit.c (initialize_dependency_output): Update.
5326 (cpp_finish): Output dummy targets for -MP.
5328 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5329 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5330 * gcc.c (cpp_options): Update to handle -MP.
5331 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5332 to quote only the default target.
5333 (deps_phony_targets): Insert a preceding newline. Rename from
5334 deps_dummy_targets for consistency.
5337 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5339 * calls.c (emit_library_call_value_1): Support
5340 INIT_CUMULATIVE_LIBCALL_ARGS.
5341 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5343 2001-01-04 Richard Henderson <rth@redhat.com>
5345 * c-decl.c (finish_struct): Detect flexible array members
5346 used in an inappropriate context.
5347 * c-typeck.c (really_start_incremental_init): Special case
5348 constructor_max_index for zero length arrays.
5349 (pop_init_level): Allow initialization of flexible array
5350 members. Deprecate initialization of zero length arrays.
5351 Don't issue missing initializer warning for flexible array
5352 members or zero length arrays.
5353 (process_init_element): Don't dereference null DECL_SIZE.
5354 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5355 Don't abort for empty constructors. Use size_binop
5356 (output_constructor): Add commentary regarding zero length
5357 array futures. Abort if we try to initialize an array of
5358 unspecified length with a non-empty constructor in the middle
5361 * extend.texi (Zero Length): Update and clarify documentation
5362 on static initialization.
5364 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5366 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5367 with more than 32767 words of local storage.
5369 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5371 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5372 for 'abs', 'labs', and 'fabs'.
5373 (c4x_expand_builtin): Likewise.
5374 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5376 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5378 * config/sh/sh.md (prget, prset): New insn types.
5379 (return delay slot): Dont' allow prset.
5380 (call, sfunc delay slot): Don't allow prget.
5381 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5382 for prset and prget.
5384 2001-01-05 Michael Hayes <mhayes@redhat.com>
5386 * loop.h (struct loop_reg): New.
5387 (struct loop_regs): Change to use array of `struct loop_reg'.
5388 * loop.c: Replace assortment of varrays with single regs array.
5389 (count_one_set): Delete may_not_move array argument
5390 and use regs array instead. All caller's changed.
5391 (count_loop_regs_set): Delete may_not_move and single_usage
5392 arguments and use regs array instead. All caller's changed.
5393 (find_single_use_in_loop): Replace usage array argument with pointer
5394 to regs structure. All caller's changed.
5395 (loop_optimize): Delete `moved_once' array.
5397 2001-01-05 Michael Hayes <mhayes@redhat.com>
5399 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5400 Use it instead of loop_info->has_call for scanning loop mems.
5401 (check_dbra_loop): Replace loop_info->has_call test with
5402 loop_info->has_nonconst_call.
5404 2000-01-04 Matthew Hiller <hiller@redhat.com>
5406 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5409 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5411 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5412 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5414 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5416 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5417 (flag_short_double, flag_short_wchar): Define.
5418 (c_common_nodes_and_builtins): Create many tree nodes shared
5419 between C and C++ here instead of in cp/decl.c and ...
5420 * c-decl.c (init_decl_processing): ... here.
5421 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5422 (flag_short_double, flag_short_wchar): Don't define.
5423 (record_builtin_type): New function.
5424 (build_void_list_node): New function.
5425 * c-common.h (flag_short_double, flag_short_wchar,
5426 record_builtin_type, build_void_list_node): Declare.
5428 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5430 * integrate.c (expand_inline_function): Don't put a virtual
5431 register into the reg map.
5433 * function.c (fixup_var_refs_1): If force_operand didn't put
5434 the address into the target, move it there.
5436 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5438 Special-case tree_decl/tree_list allocations.
5439 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5440 (OBJECT_SIZE): New macro.
5441 (NUM_EXTRA_ORDER): Likewise.
5442 (extra_order_size_table): New variable.
5443 (NUM_ORDERS): New macro.
5444 (objects_per_page_table): New variable.
5445 (object_size_table): New variable.
5446 (G.pages): Use NUM_ORDERS to bound the array.
5447 (G.page_tails): Likewise.
5448 (DIV_ROUND_UP): Remove.
5449 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5450 (alloc_page): Use OBJECT_SIZE.
5451 (size_lookup): Don't make it const.
5452 (ggc_alloc): Use OBJECT_SIZE.
5453 (ggc_set_mark): Likewise.
5454 (ggc_get_size): Likewise.
5455 (init_ggc): Set up the object_size_table, objects_per_page_table,
5456 and adjust size_lookup.
5457 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5458 (ggc_pop_context): Use NUM_ORDERS.
5459 (clear_marks): Likewise.
5460 (sweep_pages): Likewise.
5461 (poison_pages): Likewise.
5462 (ggc_print_statistics): Use OBJECT_SIZE.
5464 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5466 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5467 Only call array_size_for_constructor if last field and array type
5468 with no upper bound.
5470 2001-01-04 Philip Blundell <philb@gnu.org>
5472 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5473 from bit 31 downwards, if this requires no more insns.
5474 (count_insns_for_constant): New helper function for above.
5476 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5478 * gencodes.c (output_predicate_decls): Remove empty initializer.
5480 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5482 * tree.c (copy_node): Remove documentation about obstacks.
5483 (buidl1): Check that nobody tries to build 2-argument nodes this
5486 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5488 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5491 * gencodes.c (output_predicate_decls): Fill empty initializer
5494 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5496 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5497 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5499 (do_include): Handle missing headers like cpp0.
5500 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5501 paths with first include pathname. Don't strcat to uninitialized
5504 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5506 * regrename.c (regrename_optimize): Don't rename from frame pointer
5507 if frame_pointer_needed.
5508 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5509 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5510 (ia64_reorg): Use it instead of scheduling if ! optimize.
5511 (errata_emit_nops): Properly call asm_noperands.
5512 (ia64_sched_reorder): Finish cycle if we see an asm.
5513 (ia64_variable_issue): Clear scheduling state after asms.
5515 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5517 * cpp.texi: Update for -MT.
5518 * cppinit.c (initialize_dependency_output): Add a default
5519 target if none has been given already.
5520 (no_tgt, OPT_MT): New.
5521 (cpp_handle_option): Handle -MT. Update -M etc.
5522 * cpplib.h (struct cpp_options): Remove deps_target.
5523 * gcc.c (cpp_options): Handle -MT.
5524 * mkdeps.c (struct deps): Move from mkdeps.h.
5525 (deps_calc_target): Rename deps_add_default_target. Add a
5526 default target if none has been specified already.
5527 * mkdeps.h (struct deps): Move to mkdeps.c.
5528 (deps_calc_target): Rename deps_add_default_target.
5530 2000-01-03 Richard Henderson <rth@redhat.com>
5532 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5534 * c-typeck.c (push_init_level): Move checks for flexible array
5535 members and zero length arrays ...
5536 (pop_init_level): ... here. Silently discard empty initializations.
5538 * varasm.c (output_constructor): Update for sizeof change to
5541 * extend.texi (Zero Length): Clarify semantics.
5543 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5545 * configure.in (tm.h): Include isns-codes.h last.
5546 * configure: Rebuilt.
5548 2001-01-03 Richard Henderson <rth@redhat.com>
5550 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5551 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5553 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5555 * tradcpp.c (main): Make sure finclude() is called with a valid
5556 indepth value while handling -include.
5558 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5560 * gencodes.c (output_predicate_decls): New function.
5562 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5563 even if it is not the first time machmode.h is #included.
5564 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5565 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5566 * gcc.texi (Copyright): Added 2001.
5568 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5570 * c-common.c (c_common_lang_init): New function. Warn if format
5571 warning options which only have effects when used with -Wformat
5572 are used without -Wformat.
5573 * c-common.h (c_common_lang_init): Declare.
5574 * c-lang.c (lang_init): Call c_common_lang_init.
5575 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5577 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5579 * configure.in: Check for the mktemp command.
5580 * configure: Regenerate.
5581 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5582 $TEMP. Create temporary files with mktemp, if available at
5583 configure time; otherwise use set -C. Remove temporary files
5586 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5588 * configure.in: Require at least texinfo 4.0. Check for whether
5589 Pod::Man is sufficiently recent to regenerate GCC manpages.
5590 * configure: Regenerate.
5591 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5593 (GENERATED_MANPAGES): Define.
5594 (generated-manpages): New target. Depend on cpp.1 as well as
5596 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5597 configure to generated-manpages or empty) rather than on the
5598 manpages directly. Remove execute permission from installed
5599 gcov.1 as well as cpp.1.
5600 * cpp.1, gcov.1: Regenerate.
5602 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5604 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5605 tree_low_cst. Allow using cmpstrsi in more cases.
5607 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5609 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5612 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5614 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5615 * Makefile.in (HOST_CFLAGS): Mention build-make.
5617 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5619 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5622 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5624 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5627 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5630 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5631 reg_base_value and reg_known_value arrays.
5632 (init_alias_analysis): Add more cases to detect known values.
5633 * sched-deps.c (deps_may_trap_p): New function.
5634 (sched_analyze_2): Use it.
5636 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5638 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5639 don't discard an ASHIFTRT if we're shifting in a wider mode.
5641 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5643 * toplev.c (rest_of_compilation): Don't print basic block information
5644 when CFG isn't up to date.
5646 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5648 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5649 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5650 (UNALIGNED_SHORT_ASM_OP): Define.
5651 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5653 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5655 * fold-const.c (fold_convert): Fix typo.
5657 2001-01-02 Richard Henderson <rth@redhat.com>
5659 * c-common.h (ASM_INPUT_P): New.
5660 * c-parse.in (asm): Set it when needed.
5661 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5662 existance of an operand.
5664 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5666 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5667 (dwarf2out_frame_debug_expr): Likewise.
5668 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5670 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5672 * i386.c (ix86_split_to_parts): Return number of part required;
5674 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5676 (ix86_split_long_move): Use number of part returned
5677 by ix86_split_to_parts
5678 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5680 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5681 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5682 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5683 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5684 (ALIGN_MODE_128): Add TFmode.
5685 (IS_STACK_MODE): Likewise.
5686 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5687 (HARD_REGNO_OK): Support TFmodes.
5688 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5689 * i386.md (scheduler definitions): Use memory operand to determine
5690 fst/fld instructions; use mode attribute to determine real mode of
5692 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5693 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5695 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5697 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5699 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5701 * expr.c (store_constructor_field): Update ALIGN before calling
5704 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5706 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5709 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5711 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5714 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5716 * c-decl.c (start_function): Don't warn on third parameter to main.
5718 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5720 * tsystem.h: Define HAVE_DECL_GETOPT.
5722 2001-01-02 Philip Blundell <pb@futuretv.com>
5724 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5727 2001-01-02 Richard Henderson <rth@redhat.com>
5729 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5731 2001-01-02 Andreas Jaeger <aj@suse.de>
5733 * c-decl.c (c_decode_option): Remove support of
5736 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5737 (W_options): Add -Wmissing-noreturn here.
5739 * flow.c: Define lang_missing_noreturn_ok_p.
5740 (check_function_return_warnings): Use it.
5742 * c-common.h: Declare lang_missing_noreturn_ok_p.
5744 * c-lang.c (c_missing_noreturn_ok_p): New function.
5745 (lang_init): Set lang_missing_noreturn_ok_p.
5747 * invoke.texi (Warning Options): Document this.
5749 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5751 * extend.texi (C++ Extensions): New node for C++ attributes;
5752 describe init_priority and com_interface.
5753 * invoke.texi: Remove -finit-priority as it now has zero effect.
5754 * install.texi: Fix xref syntax.
5755 * md.texi: Likewise.
5757 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5759 * config.gcc (sparc64-wrs-vxworks*): New case.
5760 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5762 * config/sparc/sparc.c (sparc_override_options): Do support different
5763 pointer and architecture size.
5764 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5765 (POINTERS_EXTEND_UNSIGNED): Define.
5766 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5767 (FUNCTION_MODE): Define to be Pmode.
5768 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5770 * function.c (expand_function_end): Properly handle DECL_RESULT
5771 and copy when ptr_mode != Pmode.
5772 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5774 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5776 * c-common.c (c_common_nodes_and_builtins): Set prototype
5777 parameters for __builtin_fputs, __builtin_fputc and
5778 __builtin_fwrite. Don't declare plain fputc as a builtin.
5780 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5782 * loop.c (add_label_notes): Increment the label usage count when
5783 a note is added to an insn which refers to a CODE_LABEL.
5784 * gcse.c (add_label_notes): Likewise.
5786 2001-01-01 Andreas Jaeger <aj@suse.de>
5788 * loop.c (scan_loop): Use xmalloc to allocate movables.
5790 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5792 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5793 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5794 * reload1.c (REGISTER_MOVE_COST): Likewise.
5795 * regclass.c (REGISTER_MOVE_COST): Likewise.
5796 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5797 dimension. Adjust all users.
5798 (init_reg_sets_1): Iterate on all modes.
5799 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5800 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5801 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5802 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5803 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5804 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5805 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5806 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5807 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5808 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5809 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5810 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5811 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5812 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5813 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5814 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5815 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5816 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5817 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5818 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5819 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5820 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5821 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5822 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5823 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5824 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5825 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5827 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5829 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5830 arg VARIES_P. Call it with extra arg.
5831 (true_dependence): Likewise.
5832 * rtl.h (rtx_addr_can_trap_p): Declare.
5833 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5835 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5836 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5837 pic offset table register if it's zero. All callers changed.
5838 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5840 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5842 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5843 STRING_POOL_ADDRESS_P.
5845 * config/sparc/sparc.c (input_operand): Properly test for short op.
5847 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5848 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5849 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5850 * config/sparc/elf.h: No longer include sol2.h.
5851 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5852 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5854 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5856 2001-01-01 Michael Hayes <mhayes@redhat.com>
5858 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5859 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5860 (record_initial): Likewise.
5861 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5862 (remap_split_bivs): Likewise.
5864 2001-01-01 Michael Hayes <mhayes@redhat.com>
5866 * loop.c (loop_ivs_free): New function.
5867 (strength_reduce): Break out from...
5869 2001-01-01 Michael Hayes <mhayes@redhat.com>
5871 * loop.h (struct iv): New.
5872 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5873 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5874 'reg_biv_class' fields with 'regs' and 'n_regs'.
5875 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5876 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5877 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5879 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5881 * resource.c (mark_referenced_resources): Abort() before
5882 attempting to mark a pseudo register.
5883 (mark_set_resources): Likewise.
5885 2001-01-01 Michael Hayes <mhayes@redhat.com>
5887 * loop.h (REG_IV_CLASS): New accessor macro.
5888 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5889 * unroll.c (REG_IV_CLASS): Likewise.
5891 See ChangeLog.4 for earlier changes.