1 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
3 * invoke.texi: Fix typo.
6 2001-03-09 Zack Weinberg <zackw@stanford.edu>
8 * configure.in: Prune nonexistent files from build_xm_file,
9 xm_file, and host_xm_file lists. Warn unless they're
11 Don't generate *config.h here.
12 AC_SUBST all variables needed to generate *config.h.
13 * configure: Regenerate.
14 * mkconfig.sh: New helper script, from code removed from
16 * Makefile.in: Zap all MALLOC variables - no longer used
17 anywhere, and malloc.c doesn't exist.
18 Substitute in variables needed to generate *config.h.
19 Stop lying about the dependencies contained in CONFIG_H and
21 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
22 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
23 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
24 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
25 $(TM_P_H), etc. as appropriate.
27 * config.gcc: Zap references to deleted files.
28 * ggc-none.c: Don't include rtl.h or tm_p.h.
30 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
31 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
32 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
33 config/i386/xm-linux.h, config/i386/xm-linux.h,
34 config/i386/xm-next.h, config/i386/xm-openbsd.h,
35 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
36 Don't include i386/xm-i386.h.
38 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
39 config/i386/xm-i386.h, config/i860/xm-i860.h,
40 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
41 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
42 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
43 Delete (empty except comments, #includes of other deleted
44 files, and macros used nowhere).
46 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
48 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
49 independent on TARGET_FLAGS.
51 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
53 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
55 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
57 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
59 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
60 LAST_REX_SSE_REG): define.
61 (enum reg_class): Add 'LEGACY_REGS'
62 (REG_CLASS_CONTENTS): Likewise; add extended registers.
63 (SSE_REGNO_P): Recognize extended registers.
64 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
65 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
66 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
67 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
68 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
69 REG_OK_FOR_STRREG_P): Remove.
70 (HI_REGISTER_NAMES): Add extended registers.
71 (ADDITIONAL_REGISTER_NAMES): Likewise.
72 (QI_REGISTER_NAMES): Add 8bit extended registers.
73 (DEBUG_REG): Support extended registers.
74 * i386.c (regclass_map): Add extended registers.
75 (dbx_register-map): Likewise.
76 (svr4_dbx_register_map): Likewise.
77 (print_reg): Support extended registers.
78 (print_operand): Support 64bit operands.
80 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
82 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
83 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
84 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
85 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
86 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
87 STACK_BOUNDARY): Set properly for 64bits.
88 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
89 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
90 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
91 (MOVE_MAX): Set to 16.
92 (MOVE_MAX_PIECES): 8 for 64bit.
93 (Pmode): Set to SImode.
95 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
97 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
99 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
101 * i386.h (mask_64bit): New constant.
102 (target_64bit): New macro.
103 (target_options): Add '64'/'32'
104 (target_default): Define.
105 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
106 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
107 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
109 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
111 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
113 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
115 * rtlanal.c (rtx_varies_p): Check operand 0 of a
116 LO_SUM unless for_alias is set.
118 2001-03-08 Stan Shebs <shebs@apple.com>
120 * objc/objc-act.c: Fix old typos in comments, add comments for
122 (hash_init): Fix file name in error message.
124 (hash_add_attr): Ditto.
125 (continue_class): Ditto.
127 2001-03-08 Bruce Korb <bkorb@gnu.org>
129 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
130 wait4() can receive the signal.
132 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
134 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
136 * fixinc/fixincl.x: Regenerate.
138 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
140 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
142 * fixinc/fixincl.x: Regenerate.
144 2001-03-08 Richard Henderson <rth@redhat.com>
146 * configure.in (HAVE_AS_LEB128): New assembler check.
147 * configure, config.in: Rebuilt.
149 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
151 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
154 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
156 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
157 references to the MAXPATHLEN macro.
159 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
160 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
163 * config/i386/xm-gnu.h, config/xm-gnu.h,
164 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
165 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
166 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
169 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
170 doing so in various xm-*.h files.
172 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
174 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
176 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
178 * configure.in (enable_shared): Support per-package shared-library
180 * configure: Rebuilt.
182 2001-03-07 David Edelsohn <edelsohn@gnu.org>
184 * rs6000.md (cr logic): Add original POWER mnemonic alternative
185 for crnot. Set operands[5] in splitter.
187 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
189 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
190 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
191 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
192 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
193 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
194 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
195 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
198 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
199 config/i370/xm-i370.h, config/i386/xm-dgux.h,
200 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
201 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
202 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
203 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
204 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
205 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
206 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
207 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
208 Delete unused and/or empty files.
210 * config.gcc: Define USG in xm_defines as appropriate. Define
211 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
212 macro. Remove deleted xm-* files from $xm_files variable.
214 2001-03-07 Tom Tromey <tromey@redhat.com>
216 * configure: Rebuilt.
217 * configure.in: Allow config-lang.in to set `lang_requires' to list
218 of other required languages.
220 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
222 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
224 (output_prologue): Use xmalloc not oballoc.
225 (output_epilog): Free a29k_first_epilogue_insn when finished.
226 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
228 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
230 * builtins.c (expand_builtin_mathfn): Check
231 flag_unsafe_math_optimizations, not flag_fast_math.
232 (expand_builtin): Likewise
233 * combine.c (combine_simplify_rtx): Likewise.
234 (simplify_if_then_else): Likewise.
235 * cse.c (fold_rtx): Likewise.
236 * flags.h: Remove flag_fast_math. Add
237 flag_unsafe_math_optimizations and flag_trapping_math.
238 * fold-const.c (negate_expr): Check
239 flag_unsafe_math_optimizations, not flag_fast_math.
240 (invert_truthvalue): Likewise.
241 (fold): Likewise. Before associating operands, check that
242 code == MULT_EXPR, not code != MULT_EXPR.
243 * ifcvt.c (noce_try_minmax): Check
244 flag_unsafe_math_optimizations, not flag_fast_math.
245 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
246 * invoke.texi: Document -funsafe-math-optimizations and
247 -fno-trapping-math. Change documentation for -ffast-math.
248 * jump.c (reversed_comparison_code_parts): Likewise.
249 (rtx_equal_for_thread_p): Likewise.
250 * optabs.c (emit_conditional_move): Likewise.
251 * simplify-rtx.c (simplify_binary_operation): Likewise.
252 (simplify_relational_operation): Likewise.
253 (simplify_ternary_operation): Likewise.
254 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
255 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
256 Add trapping-math and unsafe-math-optimizations entries to f_options.
257 (set_fast_math_flags): New, sets flags for -ffast-math.
258 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
259 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
260 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
262 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
263 (alpha_emit_conditional_move): Initialize local_fast_math to
264 flag_unsafe_math_optimizations, not flat_fast_math.
265 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
266 instead of setting flag_fast_math to 1.
267 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
269 * config/i386/i386.c (override_options): Likewise
270 * config/i386/i386.md: Likewise.
271 * config/m68k/m68k.md: Likewise.
272 * config/mips/mips.md: Likewise.
273 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
274 (rs6000_generate_compare): Likewise.
276 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
278 * Makefile.in: Set RANLIB to @RANLIB@.
281 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
283 * fixinc/inclhack.def (djgpp_wchar_h): New test.
284 * fixinc/fixincl.x: Regenerated.
286 2001-03-07 Richard Henderson <rth@redhat.com>
288 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
290 2001-03-07 Richard Henderson <rth@redhat.com>
292 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
293 of block notes and exception handling notes.
295 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
296 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
297 (compile_file): ... here.
299 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
301 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
303 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
304 config.h now. Include libiberty.h to handle alloca.
306 2001-03-06 Zack Weinberg <zackw@stanford.edu>
308 * c-parse.in (yylexname): New function, split out of _yylex.
309 (objc_rid_sans_at): New table.
310 (init_reswords): Initialize it.
311 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
312 retrieving the next token and checking it for significance as
313 an ObjC keyword or string constant.
315 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
316 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
318 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
321 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
323 * config/m68k/m68k.c (const_uint32_operand): Accept any
324 const_int on a 32-bit host.
326 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
328 * objc/objc-act.c (init_objc): Set save_lang_status,
329 restore_lang_status, and mark_lang_status.
331 2001-03-06 Krister Walfridsson <cato@df.lth.se>
333 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
335 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
337 * cppinternals.texi: Update.
339 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
341 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
342 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
343 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
344 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
345 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
346 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
347 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
348 config/i386/xm-i386.h, config/i860/xm-i860.h,
349 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
350 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
351 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
352 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
353 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
354 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
355 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
356 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
357 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
358 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
359 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
360 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
361 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
362 match the defaults provided in hwint.h.
364 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
365 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
367 * config.gcc (xm_file): Don't set to files which are deleted.
369 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
370 guard this file against these macros being undefined.
372 2001-03-06 Zack Weinberg <zackw@stanford.edu>
374 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
375 and DECL_DEFER_OUTPUT on the decl we create, before calling
376 rest_of_decl_compilation.
378 2001-03-06 Zack Weinberg <zackw@stanford.edu>
380 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
382 * configure, config.in: Regenerate.
383 * config.gcc: Remove references to deleted files.
385 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
386 genrecog.c, rtl.c: Do not use alloca anywhere.
388 * Makefile.in, build-make, system.h, config/x-interix,
389 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
390 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
391 config/arc/xm-arc.h, config/arm/xm-arm.h,
392 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
393 config/h8300/xm-h8300.h, config/i370/x-oe,
394 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
395 config/i386/x-ncr3000, config/i386/x-sco5,
396 config/i386/xm-dgux.h, config/i860/x-sysv4,
397 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
398 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
399 config/m68k/x-hp320g, config/m69k/x-mot3300,
400 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
401 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
402 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
403 config/m88k/x-sysv4, config/m88k/x-tekXD88,
404 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
405 config/mips/x-iris, config/mips/x-iris3,
406 config/mips/x-sni-svr4, config/mips/x-sysv,
407 config/mips/xm-iris6.h, config/mips/xm-mips.h,
408 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
409 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
410 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
411 config/pa/xm-papro.h, config/romp/xm-romp.h,
412 config/rs6000/x-aix31, config/rs6000/x-aix41,
413 config/rs6000/x-beos, config/rs6000/x-lynx,
414 config/rs6000/x-mach, config/rs6000/x-rs6000,
415 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
416 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
417 config/sparc/x-sysv4, config/sparc/xm-linux.h,
418 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
419 config/vax/xm-vms.h: Eradicate all references to alloca and
422 * config/xm-alloca.h, config/clipper/x-clix,
423 config/i386/xm-sysv4.h, config/i860/x-fx2800,
424 config/i860/x-sysv3, config/m88k/x-sysv3,
425 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
426 (contained only alloca related hacks).
428 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
431 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
433 * invoke.texi: Document __FAST_MATH__.
435 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
437 * crtstuff.c: Restore include of auto-host.h.
439 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
441 Put main() in a separate file, so that the language
442 front-end can use a different main().
445 * toplev.c: (main): Rename as toplev_main.
446 * toplev.h: Declare toplev_main.
447 * Makefile.in (OBJS): add toplev.o.
448 (BACKEND): remove toplev.o, add main.o.
450 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
452 * cppfiles.c (search_from): Special case the empty string.
454 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
456 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
457 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
458 strlen or strcpy; we already know the length.
459 (_cpp_compare_file_date): Similarly.
460 * cpphash.h (struct cpp_reader): Delete done_initialising.
461 (CPP_PREV_BUFFER): Delete.
462 * cppinit.c (cpp_start_read): Don't set done_initialising.
463 * cpplex.c (parse_string): Guarantee null-termination.
464 (_cpp_equiv_toklists): Remove.
465 * cpplib.c (glue_header_name): Null-terminate.
466 (do_line): Don't leak memory.
467 * cpplib.h (BT_WEAK): Delete.
468 * cppmain.c (cb_ident): Strings are now null-terminated.
470 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
472 * gcc.c (convert_filename): Append executable suffix
473 if NO_AUTO_EXE_SUFFIX is not defined.
474 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
475 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
477 2001-03-03 David O'Brien <obrien@FreeBSD.org>
479 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
480 * c-parse.gperf, c-gperf.h: Delete.
481 (c-gperf.h was accidently re-added to the CVS repo in the rev
482 1.16 commit by tromey)
484 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
486 * cpplex.c (_cpp_lex_token): Don't warn about directives in
487 macro arguments when looking for the '('.
488 * cppmacro.c (funlike_invocation_p): Set parsing_args to
489 2 when really parsing arguments; 1 when looking for '('.
490 Always restore the lexer position.
492 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
494 * longlong.h (umul_ppmm): Don't use a multiline string.
496 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
498 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
499 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
500 t_bool in declaration because pcc can't combine volatile with typedef
503 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
505 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
506 until when it is really needed.
507 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
508 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
509 * i386.md (float?i?f splitter): Don't force source operand to memory
511 (sse_movdfcc): Fix constraint.
512 (sse_movdfcc splitter): Handle properly the second alternative.
514 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
516 * cpplex.c (parse_string): Unconditionally pedwarn.
518 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
521 * cppexp.c (parse_number): Update.
522 * cpplex.c (parse_string): Pedwarn if multiline string does not
523 result from a system header's macro.
524 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
525 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
526 for function-like macros too.
527 * c-lex.c (lex_number): Update.
529 2001-03-03 Richard Henderson <rth@redhat.com>
531 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
533 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
535 * combine.c (try_combine): If split with mode-changed scratch
536 register didn't work, try the original mode.
538 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
540 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
541 * config/c4x/c4x.h: Likewise.
542 * stor-layout.c (compute_record_mode): Likewise.
543 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
545 2001-03-02 Zack Weinberg <zackw@stanford.edu>
547 * configure.in: Kill tm.h. Include the files in the $tm_file
548 list in all three of config.h, hconfig.h, tconfig.h, after the
549 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
550 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
551 * configure: Regenerate.
552 * Makefile.in (clean): Don't delete tm.h.
554 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
555 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
556 those are not defined, set SEC and FEC to 0 and 1.
557 * gcc.texi: Update to match.
559 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
560 * config/fp-bit.c, config/m68k/aux-crt2.asm,
561 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
562 Include tconfig.h, not tm.h.
564 * config/xm-lynx.h, config/xm-std32.h,
565 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
566 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
567 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
568 config/clipper/xm-clix.h, config/convex/xm-convex.h,
569 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
570 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
571 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
572 config/i386/xm-i386.h, config/i860/xm-i860.h,
573 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
574 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
575 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
576 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
577 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
578 config/pa/xm-linux.h, config/pa/xm-pa.h,
579 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
580 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
581 config/pj/xm-pj.h, config/romp/xm-romp.h,
582 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
583 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
584 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
585 config/v850/xm-v850.h, config/vax/xm-vax.h,
586 config/we32k/xm-we32k.h:
588 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
590 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
591 config/i370/xm-oe.h: Don't include tm.h. Don't define
593 * config/vax/xm-vms.h: Don't include tm.h.
595 * config/xm-lynx.h, config/avr/xm-avr.h,
596 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
597 Delete; made empty by above changes.
598 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
599 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
600 Don't include config/xm-lynx.h or tm.h.
602 * config/xm-gnu.h: Don't include fcntl.h.
603 * config/sparc/xm-lynx.h: Don't include sys/types.h and
605 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
607 2001-03-02 Richard Henderson <rth@redhat.com>
609 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
610 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
612 2001-03-02 Richard Henderson <rth@redhat.com>
614 * Makefile.in (OBJS): Add dwarf2asm.o.
615 * dwarf2asm.c, dwarf2asm.h: New files.
616 * dwarf2out.c (*): Use them.
617 (size_of_uleb128, size_of_sleb128): Remove.
618 (output_uleb128, output_sleb128): Remove.
619 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
620 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
621 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
622 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
623 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
624 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
625 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
626 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
627 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
628 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
629 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
630 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
631 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
632 (dwarf2out_frame_debug): Remove unused variables.
633 (output_loc_operands): Don't abort on 8 byte constants if
634 host integers are wide enough.
635 (output_symbolic_ref): Remove.
636 (size_of_die): Don't assume 4 byte host integers.
637 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
639 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
640 something stupid with HOST_WIDE_INT to long truncation.
641 [CONST_DOUBLE]: Likewise.
643 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
644 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
645 * config/arm/unknown-elf.h: Likewise.
646 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
647 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
648 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
649 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
650 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
651 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
652 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
653 (ASM_OUTPUT_DWARF_OFFSET): Remove.
654 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
655 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
656 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
657 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
659 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
661 * cselib.c (hash_rtx): Cast enums to unsigned int.
663 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
665 * print-rtl.c (print_rtx): Cast enums to int for comparison.
666 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
668 * c-format.c (C_STD_VER): Cast to int for comparisons.
669 (check_function_format): Cast various enums to int for &.
670 (maybe_read_dollar_number): Likewise.
671 (check_format_info): Likewise.
672 (check_format_info_main): Likewise.
673 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
674 (safe_from_p): Likewise.
675 * varasm.c (const_hash): Cast enum to int for %.
676 * emit-rtl.c (init_emit_once): Use int loop variable to work around
677 pcc enum problems with < and ++ operators.
678 * regclass.c (init_reg_sets_1): Cast enums for comparison.
679 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
680 (regclass_init): Change enum class to int to iterate over reg_classes.
681 * genrecog.c (merge_trees): Cast enums for comparison.
682 * rtl.h (GET_CODE): Cast to enum rtx_code.
683 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
684 (GET_MODE): Cast to enum machine_mode.
685 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
686 (GET_NOTE_INSN_NAME): Cast enum to int.
687 * tree.h (TREE_CODE): Cast to enum tree_code.
688 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
689 * timevar.c (timevar_print): Change loop variable id from enum to
691 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
692 * config/i386/i386.md: Use PUT_MODE for mode assignment.
693 * toplev.c (compile_file): Cast enum DFI to int.
694 (decode_d_option): Likewise.
696 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
698 * cppinit.c (append_include_chain): Mark "after" include file name list
699 as a system directory.
700 * cpp.texi: Document new behavior.
702 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
704 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
706 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
708 * cppfiles.c (struct include_file): Update.
709 (stack_include_file): Use search_from.
710 (cpp_included, find_include_file): Update.
711 (cpp_execute_include): Update. ptr->name may not be
712 null terminated. Use the new search_from member variable
714 (_cpp_compare_file_date): Similarly.
715 (search_from): New function, similiar to actual_directory.
716 (actual_directory): Delete.
717 (remap_filename): Update. loc->name may not be null terminated.
718 (struct file_name_list): Rename search_path. Update.
719 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
721 (struct cpp_reader): Remove actual_dirs.
722 * cppinit.c (struct cpp_pending): Update for renamed objects.
723 (append_include_chain, remove_dup_dir, remove_dup_dirs,
724 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
725 * cpplib.h (struct cpp_options): Similarly.
727 2001-03-01 Zack Weinberg <zackw@stanford.edu>
729 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
730 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
731 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
732 config/clipper/xm-clix.h, config/convex/xm-convex.h,
733 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
734 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
735 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
736 config/i370/xm-linux.h, config/i370/xm-mvs.h,
737 config/i370/xm-oe.h, config/i386/xm-aix.h,
738 config/i386/xm-i386.h, config/i386/xm-osf.h,
739 config/i860/xm-i860.h, config/i960/xm-i960.h,
740 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
741 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
742 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
743 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
744 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
745 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
746 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
747 config/pj/xm-pj.h, config/romp/xm-romp.h,
748 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
749 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
750 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
751 config/v850/xm-v850.h, config/vax/xm-vax.h,
752 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
753 Do not define TRUE or FALSE.
755 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
756 empty by above change.
757 * config.gcc: Remove references to these files.
759 * configure.in: Detect stdbool.h.
760 * configure, config.in: Regenerate.
761 * system.h: Include stddef.h here if available.
762 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
763 Then set up a sensible boolean type at the very end.
765 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
766 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
768 * hash.h: Delete 'boolean' typedef and related #undefs.
770 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
771 all uses of 'boolean' with 'bool'.
773 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
775 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
776 * cppexp.c (lex): Cast enums for comparison.
777 * cppinit.c (parse_option): Cast enum for comparison.
778 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
779 (cpp_output_token): Likewise.
780 (cpp_can_paste): Cast enums for comparsion and plus/minus.
781 (cpp_avoid_paste): Cast enums for minus and comparison.
783 2001-03-01 Zack Weinberg <zackw@stanford.edu>
785 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
786 field to all array elements.
788 2001-03-01 Zack Weinberg <zackw@stanford.edu>
790 * cpphash.h (struct cpp_reader): Add print_version field.
791 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
792 just set print_version and other flags as appropriate.
793 (cpp_post_options): Print version here if print_version is set.
795 * toplev.c (exit_after_options): New flag.
796 (independent_decode_option): Don't exit here; just set
798 (main): Exit after calling lang_hooks.post_options if
799 exit_after_options is true.
801 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
802 (merge_include_chains): Adjust comment to match code.
804 2001-03-01 Zack Weinberg <zackw@stanford.edu>
806 * stringpool.c (set_identifier): New function.
807 * tree.h: Prototype it.
809 * c-parse.in: Kill D_YES. If compiled for objc, call
810 save_and_forget_protocol_qualifiers from init_reswords.
811 * objc/objc-act.c (remember_protocol_qualifiers,
812 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
813 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
815 (save_and_forget_protocol_qualifiers): New function.
816 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
818 2001-03-01 Diego Novillo <dnovillo@redhat.com>
820 * c-semantics.c (prune_unused_decls): Return error_mark_node
821 instead of (tree) 1 to stop traversing the tree chain.
823 2001-03-01 Bernd Schmidt <bernds@redhat.com>
825 Fix a problem introduced by Kenner's Feb 18 change.
826 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
827 flag_cse_skip_blocks only temporarily, not for ever.
829 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
831 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
832 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
834 * pa.c (emit_move_sequence): Verify operand0 is a hard register
835 before determining its register class.
837 2001-03-01 Bernd Schmidt <bernds@redhat.com>
839 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
840 from reg 4 if current_function_calls_setjmp.
841 (gen_nop_type): New function.
842 (ia64_emit_nops): New function.
843 (ia64_reorg): Call it.
844 (ia64_sched_reorder): Move code that rotates bundles up a bit.
846 * reload1.c (eliminate_regs_in_insn): Restrict the special case
847 code not to try to optimize adds with anything but a REG destination.
849 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
850 (INSN_PRIORITY_KNOWN): New accessor macro.
851 * haifa-sched.c (priority): Use it instead of testing priority against
854 2001-02-28 DJ Delorie <dj@redhat.com>
856 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
857 since that doesn't work the way gcc wants on a generic m68k.
859 2001-02-28 Richard Henderson <rth@redhat.com>
861 * caller-save.c (save_call_clobbered_regs): Fix typo in
862 comparison last change.
864 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
866 * i386.c (pentium4_cost): New.
867 (m_PENT4): New macro.
868 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
869 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
870 x86_integer_DFmode_moves, x86_partial_reg_dependency,
871 x86_memory_mismatch_stall): Add Pentium4
872 (x86_use_q_reg, x86_use_any_reg): Kill.
873 (override_options): Add pentium4.
874 (incdec_operand): Return 0 for pentium4.
875 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
876 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
877 (TARGET_PENTIUM4): Define.
878 (enum processor_type): Add PROCESSOR_PENTIUM4.
879 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
880 * i386.md (attribute "cpu"): Add pentium4.
881 * invoke.texi (march): Add pentium4.
883 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
885 * i386.md (sse_mov?fcc*): New patterns and splitters.
886 * i386.c (ix86_expand_movcc): Work post-reload; recognize
887 the SSE based conditional moves.
889 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
891 * i386.md (attribute mode): Add "TI".
892 (movsf_1): Add pxor support; remove constant propagation splitter.
893 (movdf_integer): Likewise.
894 (movdf_nointeger): Likewise.
895 (movxf constant prop splitter): Handle all modes; update for SSE.
896 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
897 * i386.c (standard_80387_constant_p): Rewrite.
898 (standard_sse_constant_p): New.
899 * i386-protos.h (standard_sse_constant_p): New.
901 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
903 * i386.md (sse_setccsf, sse_setccdf): New.
904 (sse_cmp* patterns): Use '%D' instead of outputtting condition
906 * i386.c (sse_comparison_operator): Accept the supported unordered
907 comparses; be ready for fast_math.
908 (print_operand): Support 'D'.
910 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
912 * jump.c (reversed_comparison_code): Kill.
914 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
916 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
919 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
921 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
922 add missing '%' in constraints.
924 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
926 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
927 for HOST_BITS_PER_WIDE_INT == 32 too.
929 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
931 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
933 (insert_save, insert_restore): New parameter save_mode.
934 (init_caller_save): Update initialization of reg_save_code
935 and reg_restore_code.
936 (save_call_clobbered_regs): Compute save_modes and update calls to
937 reg_save_code and reg_restore_code.
938 (insert_restore): Unsignetize numbers; use save_modes to choose mode
939 of spill; update use of reg_restore_code.
940 (insert_save): Likewise.
941 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
942 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
943 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
945 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
947 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
948 noce_try_store_flag_inc, noce_try_store_flag_mask,
949 noce_try_cmove_arith):
950 Use reversed_comparison_code instead of reverse_comparison and
951 can_reverse_comparison_p.
953 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
955 * jump.c (reversed_comparison_code_parts): Allow reversal of
956 unordered compares in -ffast-math mode; reverse ordered compares
957 for FP even w/o -ffast-math.
959 2001-02-27 Richard Henderson <rth@redhat.com>
961 * print-rtl.c (print_rtx) [i]: Don't print field five on
962 NOTEs other than NOTE_INSN_DELETED_LABEL.
964 2001-02-27 Zack Weinberg <zackw@stanford.edu>
966 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
967 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
969 2001-02-27 Diego Novillo <dnovillo@redhat.com>
971 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
972 even if walk_subtrees is 0.
973 * c-semantics.c (prune_unused_decls): Return a non-null value to
974 stop traversing the tree chain.
976 2001-02-27 DJ Delorie <dj@redhat.com>
978 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
979 register, *then* define it as the new CFA.
981 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
983 * pa.c (override_options): Promote -fpic to -fPIC.
984 (legitimize_pic_address): Simplify due to removal of
985 small PIC as a code generation option.
986 (secondary_reload_class): Similarly.
987 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
988 (PRINT_OPERAND_ADDRESS): Similarly.
989 * pa.md (various patterns): Similarly.
990 (small pic lo_sum pattern): Remove.
992 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
995 * md.texi (min, max): Document
997 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
999 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1000 TARGET_PARTIAL_REG_DEPENDENCY.
1001 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1003 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1005 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1007 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1009 * mips.c (mips_make_temp_file): Fix thinko in last change.
1011 2001-02-26 Jason Eckhardt <jle@redhat.com>
1013 * combine.c (known_cond): Do not reverse the condition when
1014 SMAX/UMAX is being considered and the condition is for equality
1017 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1019 2001-02-26 Philip Blundell <philb@gnu.org>
1021 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1023 * config/arm/linux-elf.h: Remove historical relics related to
1024 above configurations.
1025 * config/arm/linux-oldld.h: Delete.
1026 * config/arm/linux-elf26.h: Delete.
1028 2001-02-26 Jason Merrill <jason@redhat.com>
1030 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1032 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1033 recognize a tentative definition. Lose obsolete code.
1035 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1036 variables unless necessary, either.
1038 2001-02-25 Richard Henderson <rth@redhat.com>
1040 * ifcvt.c (struct noce_if_info): Add test_bb.
1041 (noce_get_alt_condition): New.
1042 (noce_try_minmax, noce_try_abs): New.
1043 (noce_operand_ok): New.
1044 (noce_process_if_block): Use them.
1045 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1047 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1049 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1052 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1054 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1055 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1057 (mips_asm_file_end): Free temp_filename here.
1059 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1061 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1062 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1064 * config/i386/i386.md (movstrsi): Handle FAIL case.
1066 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1068 * cppinit.c (builtin_array): Update.
1069 (init_builtins): Flag builtins to warn if redefined or
1070 undefined. Define __GXX_WEAK as a normal macro.
1071 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1072 * cpplib.h (NODE_WARN): New flag.
1073 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1074 Handle __STDC__ as a builtin only on Solaris.
1075 (warn_of_redefinition): Renamed from check_macro_definition.
1076 Reverse sense of test. Always warn if NODE_WARN.
1077 (_cpp_create_definition): Use warn_of_redefinition. Flag
1078 any macro beginning with "__STDC_" to require a mandatory
1079 warning if redefined or undefined.
1081 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1083 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1084 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1085 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1086 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1087 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1088 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1089 Don't define any of:
1090 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1091 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1092 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1093 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1094 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1096 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1097 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1100 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1101 Delete now-empty file.
1103 * alpha/vms.h: Define NEED_ATEXIT here...
1104 * alpha/xm-vms.h: ...not here.
1106 * i386/cygwin.h: Don't define PARAMS.
1107 * mips/mips.c: Don't prototype mktemp. Don't define
1108 P_tmpdir. Use make_temp_file to create temporary files.
1109 Don't be clever and delete temporary files early.
1110 * config.gcc: Drop references to deleted files. Don't define
1112 * gcc.texi: Don't mention USE_PROTOTYPES.
1114 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1116 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1117 (ix86_set_move_mem_attrs_1): Likewise.
1118 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1119 * config/i386/i386.md (movstrsi): Call it.
1121 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1123 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1124 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1125 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1126 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1128 (i750a-*-*): Error here if hosting on i750a.
1129 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1131 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1132 Remove (empty modulo comments).
1134 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1135 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1136 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1137 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1138 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1139 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1141 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1142 Remove reference to winnt.h in comment.
1143 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1145 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1147 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1148 used to set another biv.
1150 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1152 * tree.h (BLOCK_DEAD): New macro.
1153 (struct tree_block): New flag, dead_flag.
1154 * print-tree.c (print_node, case 'b'): Print missing fields.
1155 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1156 * function.c (identify_blocks): Enable test for misplaced notes.
1157 (all_blocks): Skip BLOCK_DEAD blocks.
1158 * integrate.c (integrate_decl_tree): Likewise.
1160 * errors.c (internal_error, trim_filename): New functions.
1161 (fancy_abort): Call internal_error.
1162 * errors.h (internal_error, trim_filename): New declarations.
1164 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1166 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1168 (EXTRA_CONSTRAINT): Formatting changes.
1170 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1172 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1174 2001-02-23 Per Bothner <per@bothner.com>
1176 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1177 so they can be called from java/jvspec.c.
1178 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1180 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1182 * i386.c (ix86_frame): New structure.
1183 (ix86_compute_frame_size): Kill.
1184 (ix86_compute_frame_layout): New.
1185 (ix86_save_reg): New.
1186 (ix86_can_use_return_insn_p): Use frame layout stuff.
1187 (ix86_expand_prologue): Likewise.
1188 (ix86_expand_epilogue): Likewise.
1189 (ix86_initial_elimination_offset): Likewise.
1190 (ix86_nsaved_regs): Use ix86_save_reg.
1191 (ix86_emit_save_regs): Likewise.
1193 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1195 * flow.c (find_sub_basic_blocks): New function.
1196 (split_block): Be ready for basic block introduced by CODE_LABEL.
1197 (commit_one_edge_insertion): Call find_sub_basic_block.
1199 * flow.c (make_edges): Add edge from entry for blocks starting with
1200 label having ALTERNATE_NAME
1202 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1204 * function.c (epilogue_done): Be ready for first basic block not
1205 containing PROLOGUE_END note.
1206 (reposition_prologue_and_epilogue_notes): Avoid placing
1207 PROLOGUE_END note between BASIC_BLOCK.
1209 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1211 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1213 2001-02-21 DJ Delorie <dj@redhat.com>
1215 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1216 check for current_function_has_nonlocal_goto from 1999-11-12.
1218 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1220 * diagnostic.c (trim_filename): No longer static.
1221 * toplev.h (trim_filename): Declare.
1222 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1223 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1224 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1225 (rtvec_check_failed_bounds): Likewise.
1226 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1228 * convert.c (convert_to_integer): Don't do unsigned unless result or
1229 both inputs are unsigned.
1231 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1234 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1236 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1238 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1240 * Makefile.in (resource.o): Add params.h dependence.
1241 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1242 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1243 * resource.c: Add dependence on params.h.
1244 (current_live_regs): Fix explanatory comment.
1245 (find_basic_block): Add new parameter to permit limiting search
1247 (mark_target_live_regs): Add new argument to find_basic_block call.
1248 (incr_ticks_for_insn): Likewise.
1250 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1252 * diagnostic.c (output_to_stream): Rename to
1253 output_buffer_to_stream. Loses the stream parameter.
1254 (init_output_buffer): Set diagnosic_buffer's stream.
1255 (flush_diagnostic_buffer): Adjust.
1256 (default_print_error_function): Likewise.
1257 (finish_diagnostic): Likewise.
1258 (verbatim): Likewise.
1260 * diagnostic.h (struct output_buffer): Add `stream' field.
1261 (output_buffer_attached_stream): New macro.
1263 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1265 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1266 check if either operand is divisible by C.
1267 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1268 If type is signed, consider negative numbers as well.
1270 2001-02-22 Richard Henderson <rth@redhat.com>
1272 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1273 reach .text instead of gp-relative relocs.
1274 * config/ia64/crtend.asm (.init): Likewise.
1276 2001-02-22 Andreas Jaeger <aj@suse.de>
1278 * extend.texi (C++ Attributes): Fix typo.
1280 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1282 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1283 functions, drop current_function_args_info.words test.
1284 (ia64_compute_frame_size): Mark syscall_linkage functions as
1285 using eight input registers.
1287 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1288 Bruce Korb <bkorb@gnu.org>
1290 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1291 * fixinc/README: Document how to convert sed substitutions
1292 to format style c_fix-es.
1293 * fixinc/fixincl.x: regen
1295 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1297 * gcc.c: Add comment explaining how to add a command-line option.
1298 Add title to specs language comment.
1300 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1302 * gcc.c (cc1_options): Add "-param".
1303 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1304 (option_map): Likewise.
1305 * toplev.c (display_help): Add entry for "--param".
1306 (independent_decode_option): Fix typographical error.
1308 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1309 Bernd Schmidt <bernds@redhat.com>
1310 Jan Hubicka <jh@suse.cz>
1312 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1313 (function_arg): Likewise.
1315 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1317 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1319 2001-02-21 Kazu Hirata <kazu@hxi.com>
1321 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1325 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1327 * flow.c (init_propagate_block_info): Canon address and use single_set
1328 for killing dead memory stores.
1330 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1332 * Makefile.in (reorg.o): Add params.h dependence.
1333 * params.def: Fix typographical error in comment.
1334 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1335 * params.h: Modify introductory comment.
1336 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1337 * reorg.c: Add dependence on params.h.
1338 (redundant_insn): Add parameterized throttle for search.
1339 (fill_simple_delay_slots): Add a comment explaining a variable.
1340 Move conditional out of loop, simplifying code.
1341 (fill_eager_delay_slots): Fix typographical error in comment.
1343 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1345 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1347 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1348 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1350 2001-02-21 Jason Merrill <jason@redhat.com>
1352 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1353 (struct tree_decl): Add uninlinable bitfield.
1354 * c-decl.c (duplicate_decls): Set it.
1355 * integrate.c (function_cannot_inline_p): Check it.
1357 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1358 DW_AT_MIPS_linkage_name to abstract methods.
1359 (dwarf2out_abstract_function): Emit class context before calling
1360 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1361 (gen_subprogram_die): Remove obsolete code.
1362 (gen_member_die): Don't include clones in the member list.
1363 (gen_decl_die): Emit abstract info for clone origin.
1364 * dwarfout.c (output_type): Don't include clones in the member list.
1365 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1366 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1367 DECL_ABSTRACT on a function that already has it set.
1369 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1370 (get_subprogram_die): Pass it in.
1372 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1374 * flow.c (mark_set_1): Make not_dead unsigned long. For
1375 non-pseudos, use it as a bitmask of the hard regs that
1378 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1380 * cppfiles.c: Update comments.
1381 (_cpp_read_file): Don't check for NULL filenames any more.
1382 * cppinit.c (cpp_start_read): Don't do canonicalization of
1383 in_fname and out_fname. Use the passed file name exclusively.
1384 (_cpp_handle_options): Don't treat "-" as a command line option,
1385 but as a normal filename.
1386 (_cpp_post_options): Canonicalize in_fname and out_fname.
1387 * cppmain.c (printer_init): Don't check out_fname for NULL.
1388 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1389 (init_c_lex): Update, and use "" to represent stdin to CPP.
1392 2001-02-20 Will Cohen <wcohen@redhat.com>
1394 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1395 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1396 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1399 2001-02-20 Stan Shebs <shebs@apple.com>
1401 * config/rs6000/rs6000.c (output_cbranch): Output branches
1402 on separate lines instead of using ';' to separate.
1404 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1406 * cppinit.c (set_lang): Move builtin handling to...
1407 (init_builtins): ...here.
1408 (_cpp_create_reader): Move call to set_lang.
1410 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1412 * stmt.c (expand_return): If an attempt is made to return the
1413 error_mar_node, treat the return like a return without a value.
1415 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1417 * sibcall.c (skip_copy_to_return_value): Call
1418 identify_call_return_value here, and return orig_insn if it
1419 returns zero. Hardret and softret arguments now unnecessary.
1420 (call_ends_block_p): Don't call identify_call_return_value here.
1422 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1424 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1425 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1427 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1429 * pa.c (move_operand): Accept code to load the address of a
1430 symbol out of the DLT as a valid move operand.
1431 (print_operand, case 'A'): New to handle generating a DLT
1432 reference for a LO_SUM expression.
1433 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1434 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1436 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1438 * README, cpp.texi, gcc.texi, version.c: Update version number to
1440 * cpp.1, gcov.1, gcc.1: Regenerate.
1442 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1444 * cppfiles.c (stack_include_file): Generate dependencies
1445 here, and manage include_count here too.
1446 (PRINT_THIS_DEP): Delete.
1447 (_cpp_execute_include): Do not generate dependencies here,
1448 apart from the case of a missing header. Do not manage
1450 (_cpp_read_file): Leave dependency generation to
1453 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1455 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1456 target_cpu_default. Remove dead assignment to
1459 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1461 * regclass.c (contains_reg_of_mode): Make global.
1462 (init_reg_sets): Remove contains_reg_of_mode; take into account
1463 CLASS_MAX_NREGS when looking for the proper mode.
1464 (dump_regclass): Dump only classes considered for the pseudo.
1465 (regclass): Use contains_reg_of_mode.
1467 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1469 * gcc.c (do_spec_1): 'n' for printing notices.
1470 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1472 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1474 * reg-stack.c (next_flags_user): Use current_block->end
1475 (swap_rtx_condition): Look for next user if flags don't die;
1476 give up on CALL_INSNs; use current_block->end.
1478 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1480 * sibcall.c (call_ends_block_p): New function.
1481 (optimize_sibling_and_tail_recursive_call): Use it.
1483 2001-02-18 Kazu Hirata <kazu@hxi.com>
1485 * config/h8300/h8300.md: Update copyright.
1486 (andsi3): Do not output an extra newline character.
1488 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1490 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1491 FNDECL may be unused.
1493 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1494 follow jumps after first run.
1495 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1496 it doesn't change any jumps.
1498 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1500 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1501 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1502 (mostlyclean): Corresponding changes.
1503 * rtlanal.c (hard-reg-set.h): Include.
1504 (rtx_unstable_p): Do not treat the argument pointer specially
1505 if it is not a fixed register.
1506 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1508 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1510 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1511 against last real insn in basic block.
1512 Rework to avoid gotos.
1514 * Makefile.in (gcse.o): Now includes ggc.h.
1515 * gcse.c: Include ggc.h.
1516 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1517 (try_replace_reg): Remove warning of uninitialize variable.
1518 (process_insert_insn): Call invalid_insn_p to validate insn.
1519 * recog.c (insn_invalid_p): Now global.
1520 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1521 * recog.h (insn_invalid_p): New declaration.
1523 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1525 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1526 assignments from FP constants since 'Y' output code can't handle it.
1527 (eligible_for_sibcall_delay): Likewise.
1529 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1530 Call fancy_abort directly, passing args.
1531 (print_rtl_and_abort): Now a macro, like fancy_abort.
1533 * final.c (output_operand_lossage): Use internal_error, not error.
1535 2001-02-18 Shane Nay <shane@agendacomputing.com>
1537 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1538 structure shift insns.
1540 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1542 * invoke.texi (-fsquangle): Remove documentation.
1543 (-fname-mangling-version): Likewise.
1545 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1547 * optabs.c (expand_abs): Remove reference to
1548 HAVE_contitional_arithmetic.
1549 * combine.c (simplify_set): Likewise.
1551 2001-02-18 Richard Henderson <rth@redhat.com>
1553 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1556 2001-02-18 Richard Henderson <rth@redhat.com>
1558 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1560 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1562 * reload1.c (reload_cse_simplify_set): Fix typo.
1564 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1566 * diagnostic.c (_fatal_insn): Decrement errorcount.
1568 * invoke.texi (-I): Add note avoiding use for system header files.
1570 * rtl.h (add_clobbers): Remove duplicate declaration.
1571 * recog.h (added_clobbers_hard_reg_p): New declaration.
1572 * genemit.c (struct clobber_pat): New field has_hard_reg.
1573 (gen_insn): Record if added clobbers clobber hard reg.
1574 (gen_split): Avoid unused warning if number of operands is 0.
1575 (output_added_clobbers_hard_reg_p): New function.
1578 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1580 * pa.c (hppa_expand_prologue): Simplify code storing return
1581 pointer. For large (>=8k) frames with a post_store, adjust stack
1582 pointer by 8k-64 first rather than by 64. When testing with
1583 VAL_14_BITS_P, always use the actual value rather than the value
1584 negated. Add blockage to prevent scheduling of spills before
1585 stack frame has been created.
1586 (hppa_expand_epilogue): Simplify code loading return pointer.
1587 Allow a slightly larger range for merge_sp_adjust_with_load case.
1588 When testing with VAL_14_BITS_P, always use the actual value.
1590 * pa.c (pa_adjust_insn_length): Check that block move
1591 pattern is a set before looking at operands.
1593 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1595 * fold-const.c (fold_binary_op_with_conditional_arg): New
1596 function, split out from ...
1598 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1599 conditional arms that throw exceptions.
1601 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1604 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1606 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1607 define HAVE_DECL_* to 1 to mask potential backup declarations.
1608 * configure: Regenerated.
1610 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1612 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1614 2001-02-17 Richard Henderson <rth@redhat.com>
1616 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1617 when replacing a memory load with a register.
1619 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1620 Jan Hubicka <jh@suse.cz>
1622 * recog.c (validate_replace_src_1): New.
1623 (validate_replace_src_data): Likewise.
1624 (validate_replace_src): Use note_uses.
1625 * rtl.h (note_uses): Declare.
1626 * rtlanal.c (note_uses): New.
1628 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1630 * reg-stack.c (stack_def): Make field reg unsigned.
1631 (remove_regno_note): Unsignetize parameter.
1633 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1635 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1636 shladd_operand() call.
1638 2001-02-16 Bruce Korb <bkorb@gnu.org>
1639 Rodney Brown <RodneyBrown@mynd.com>
1641 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1642 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1643 machine restrictions
1644 * fixinc/fixincl.x: regen
1646 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1648 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1650 (hash_scan_insn): Clean up calls to hash_scan_set.
1651 (compute_kill_rd): REGNO now unsigned.
1652 (try_replace_reg): Rework to use simplify_replace_rtx.
1653 (cprop_jump, cprop_cc0_jump): Likewise.
1654 (cprop_insn): Call find_reg_equal_equiv_note.
1655 Reflect changes to cprop_jump and cprop_cc0_jump.
1657 * recog.c (validate_replace_src): Replace in operands of
1658 ZERO_EXTRACT in SET_DEST.
1660 * cse.c (new_label_ref): New variable.
1661 (insert): Set it instead of recorded_label_ref.
1662 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1663 CODE_LABEL for this function, and not already in REG_LABEL note.
1665 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1667 * resource.c (mark_referenced_resources): Fix typo in introductory
1669 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1672 2001-02-16 Jason Merrill <jason@redhat.com>
1674 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1676 (gen_subprogram_die): Don't abort on seeing a second definition if
1677 the previous one was abstract. Don't replace an abstract instance
1678 in the lookup table.
1680 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1681 gen_abstract_function.
1682 * dwarf2out.h: Declare it.
1683 * toplev.c (note_outlining_of_inline_function): New fn.
1684 * toplev.h: Declare it.
1685 * integrate.c (output_inline_function): Call it.
1686 * c-decl.c (duplicate_decls): Call it when redefining an extern
1687 inline. Don't inline the new defn.
1689 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1691 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1693 * .gdbinit: Rename to gdbinit.in.
1694 * gdbinit.in: New file,
1695 * configure.in: Generate .gdbinit from gdbinit.in.
1696 * configure: Regenerated.
1697 * Makefile.in (distclean): Always remove .gdbinit.
1699 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1701 * objc/objc-act.c (start_class): Register implemented_classes with
1704 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1706 * cppfiles.c (_cpp_make_system_header): Generate a file
1709 2001-02-15 Jim Meyering <meyering@lucent.com>
1711 * Makefile.in (install-common): Don't depend on installdirs here.
1712 Instead, make each of the lang.install-common targets (e.g.,
1713 c++.install-common in cp/Make-lang.in) depend on it.
1714 (install-driver): Depend on installdirs.
1716 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1718 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1720 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1723 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1725 * invoke.texi (--param): Document.
1727 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1729 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1731 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1733 * i386.md (extendsfdf2_2): Fix constraints.
1735 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1737 * i386.md (fop_df_3 splitter): Fix operand number.
1739 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1741 * invoke.texi (-mreg-alloc): Nuke.
1742 * i386.c (ix86_reg_alloc_order, regs_allocated,
1743 order_regs_for_local_alloc): Nuke.
1744 (override_options): Kill reg_alloc code.
1745 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1746 (REG_ALLOC_ORDER): SSE goes before I387.
1747 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1748 (ix86_reg_alloc_order): Likewise.
1749 * i386-protos.h (ix86_reg_alloc_order): Kill.
1751 2001-02-14 Richard Henderson <rth@redhat.com>
1753 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1755 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1757 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1759 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1761 * i386-protos.h (ix86_memory_move_cost): Move offline.
1762 * i386.c (ix86_register_move_cost): Compute properly cost of
1763 SSE, MMX and i387 instructions.
1764 (*_cost): Add costs of SSE/MMX moves.
1765 (ix86_memory_move_cost): Move offline from ....; Likewise.
1766 * i386.h (MEMORY_MOVE_COST): .... here;
1767 (struct processor costs): Add new fields to represent costs
1770 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1772 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1773 move_cost together with Matt Kraai's fix.
1775 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1777 * Makefile.in (OBJS): Add params.o.
1779 2001-02-14 Richard Henderson <rth@redhat.com>
1780 DJ Delorie <dj@redhat.com>
1782 * jump.c (jump_optimize_1): When we delete a conditional jump
1783 preceeding a non-conditional jump to effectively the same place,
1784 make sure that the combined jump skips any clobber insns between
1787 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1789 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1791 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1793 * Makefile.in (toplev.o): Depend on params.h.
1794 (intergate.o): Likewise.
1795 (params.o): New target.
1796 * flags.h (inline_max_insns): Remove.
1797 * integrate.c: Include params.h.
1798 Use MAX_INLINE_INSNS instead of inline_max_insns.
1799 * params.c: New file.
1800 * params.h: Likewise.
1801 * params.def: Likewise.
1802 * toplev.c: Include params.h.
1803 (lang_independent_params): New variable.
1804 (decode_f_option): Use the param machinery instead of setting
1806 (independent_decode_option): Handle "--param name=value".
1807 (main): Register language-independent parameters.
1809 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1811 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1813 2001-02-14 Richard Henderson <rth@redhat.com>
1815 * regclass.c (init_reg_sets_1): Revert last two changes.
1817 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1819 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1820 (variable_size): Call put_pending_size.
1821 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1822 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1823 sizes list, put newly created SAVE_EXPR there as well.
1825 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1827 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1828 (errata_find_address_regs): load_group has only 2 entries.
1829 (errata_emit_nops): Likewise. shladd is not problematic.
1830 Clear last_group if nop was emitted.
1831 (fixup_errata): load_group has only 2 entries.
1834 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1836 * c-lex.c (lex_number): Only warn traditionally for U suffix
1837 outside system macros.
1838 * cppexp.c (parse_number): Similarly.
1839 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1840 * cppmacro.c (struct cpp_macro): New member node.
1841 (parse_args): Only warn about missing rest args if not
1843 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1844 (cpp_sys_objmacro_p): New.
1845 (_cpp_create_definition): Store the node with the macro defn.
1846 Remember if the macro is defined in a system header.
1848 2001-02-13 DJ Delorie <dj@redhat.com>
1850 * configure.in (check_languages): determine languages to check
1851 * Makefile.in (check-c++): alias for check-g++
1852 (check-f77): alias for check-g77
1853 (CHECK_TARGETS): depend on configured languages
1855 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1857 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1858 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1859 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1860 (sqrtextendsfdf2): Disable for SSE2.
1862 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1864 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1865 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1866 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1867 (sqrtextendsfdf2): Disable for SSE2.
1869 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.md (movsfcc_1): Support integer cmove instruction.
1872 (movdfcc_1): Likewise; new splitter.
1874 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1876 * i386.c (output_fp_compare): Support SSE.
1877 (prepare_fp_compare_args): SSE comparisons always support memory.
1878 * i386.h (TARGET_CMOVE): SSE imply cmove.
1879 * i386.md (cmp?f2): Enable for SSE too.
1880 (cmpfp_i*): Support SSE.
1882 (cmpfp_i_sse_only): New.
1883 (s*, b* fp expanters): Enable for SSE too.
1884 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1887 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1889 * regclass.c (init_reg_sets_1): Silence warning.
1891 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1893 * i386.md (sqrt?f2): Change to expander.
1894 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1896 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1898 * rtlanal.c (find_reg_equal_equiv_note): New function.
1899 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1900 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1901 * rtl.h: Add declarations for above functions.
1903 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1905 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1907 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1908 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1909 * flow.c (mark_regs_live_at_end): Likewise.
1910 (calculate_global_regs_live): Likewise.
1911 * gcse.c (compute_hash_table): Likewise.
1912 (compute_kill_rd): Likewise.
1913 * resource.c (mark_target_live_regs): Likewise.
1914 * rtl.h (INVALID_REGNUM): New macro.
1916 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1918 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1920 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1922 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1925 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1927 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1929 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1930 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1931 (fop_sf_1_sse, fop_df_1_sse): New patterns
1932 (fop_*): Disable float_extend and float patterns for SSE compilation.
1933 * i386.c (output_387_binary_op): Support SSE.
1935 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1937 * i386.md (dummy_extendsfdf2): Support SSE2
1938 (extendsfdf2): Enable if 80387 or SSE2.
1939 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1940 and no MIX_I387_SSE2
1941 (extendsfdf2_1_sse_only): New pattern.
1942 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1944 (truncdfsf2_1): Support SSE.
1945 (truncdfsf2_2): Support SSE.
1946 (truncdfsf2_2_1_sse): New pattern.
1947 (fixtruncsfsi2): Always use SSE if available.
1948 (fix_truncsfsi_sse): New pattern.
1949 (fix_truncdfsi_sse): New pattern.
1950 (floatsis?f2): Support SSE.
1951 (floatsidf2_i387): New pattern.
1952 (floatsidf2_sse): Likewise.
1954 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1956 * configure.in: Use "have_gnat" variable, not "gnat".
1957 * configure: Regenerated.
1959 * config/sparc/sparc.c (function_value): Treat all non-record
1960 aggregate types like used to treat UNION_TYPE.
1962 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1964 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1965 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1967 (MASK_MIX_SSE_I387): New.
1968 (TARGET_SSE): SSE2 imply SSE.
1969 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1970 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1971 (enum reg_class): Add new classes.
1972 (REG_CLASS_NAMES): Likewise.
1973 (REG_CLASS_CONTENTS): Likewise.
1974 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1975 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1976 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1977 (CLASS_MAX_NREGS): Use new macros.
1978 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1979 * i386.md (pushsf, movsf): Support SSE.
1980 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1981 splitters to use ANY_FP_REGNO_P.
1982 (movdf_nointeger, movdf_integer): Likewise.
1984 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1986 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1987 (try_combine): Use it.
1989 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1991 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1992 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1993 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1994 (REGISTER_MOVE_COST): Likewise.
1995 * i386-protos.h (ix86_secondary_memory_needed,
1996 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1997 * i386.c (ix86_secondary_memory_needed,
1998 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2000 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2002 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2003 (HARD_REGNO_MODE_OK): Move offline to ....
2004 * i386.c (ix86_hard_regno_mode_ok) ... here;
2005 refuse all incorrect modes.
2006 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2008 2001-02-13 Richard Henderson <rth@redhat.com>
2010 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2011 entire operator; replicate that and match_dup the operands.
2012 (cmp_ccx_arith_op_set): Likewise.
2013 (cmp_cc_arith_op_not_set): Likewise.
2014 (cmp_ccx_arith_op_not_set): Likewise.
2016 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2018 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2020 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2022 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2023 (TARGET_NO_BITFIELD_WORD): New macro.
2024 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2025 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2027 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2029 * cselib.c: New file, from simplify-rtx.c.
2030 * simplify-rtx.c: Remove cselib parts.
2031 * Makefile.in: Add cselib.o.
2033 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2035 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2036 (setup_incoming_varargs): Remove warning.
2038 * config/rs6000/rs6000.c (validate_condition_mode): When
2039 flag_fast_math, allow floating-point conditionals to be reversed.
2040 (rs6000_generate_compare): When flag_fast_math, don't generate
2041 cror operations for FP conditionals.
2043 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2045 (ASM_SPEC): Likewise.
2046 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2047 (CC1_SPEC): Likewise.
2048 (LINK_TARGET_SPEC): Likewise.
2049 (CPP_ENDIAN_SPEC): Likewise.
2050 * Makefile.in (check-consistency): New target.
2052 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2054 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2055 "return type defaults" warning for functions with return type
2057 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2058 function declarations by default rather than only when pedantic.
2060 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2062 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2065 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2067 * extend.texi (Deprecated): Deprecate new initializer lists.
2069 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2071 * mkdeps.c (deps_add_default_target): Robustify. Add
2072 basename component only.
2073 * cpp.texi (-M): Describe how default target is generated.
2074 * invoke.texi (-M): Likewise.
2076 2001-02-12 Kazu Hirata <kazu@hxi.com>
2078 * toplev.c (push_float_handler): Remove.
2079 (pop_float_handler): Remove.
2080 * toplev.h: Remove prototypes for the above functions.
2082 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2084 * c-common.c (constant_fits_type_p): New function.
2085 (convert_and_check): Use it.
2087 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2089 * Makefile.in (GXX_ABI_FLAG): Don't define.
2090 * configure.in (--enable-new-gxx-abi): Remove option.
2091 * config.in: Regenerated.
2092 * configure: Likewise.
2094 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2096 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2098 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2099 regular basic block, and arrange for all edges into it to switch
2102 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2104 * Makefile.in (distclean): Do not remove .gdbinit.
2106 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2108 * Makefile.in (gcc.o): Fix typos.
2109 (protize.o): Likewise.
2110 (unprotoize.o): Likewise.
2112 2001-02-11 Richard Henderson <rth@redhat.com>
2114 * tree.c (build1): Check for null operand in last change.
2116 2001-02-11 Richard Henderson <rth@redhat.com>
2118 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2119 (fold): Don't assume a constant isn't foldable.
2120 * tree.c (build): Set TREE_CONSTANT for an expression with no
2121 side-effects and constant operands.
2124 2001-02-10 Richard Henderson <rth@redhat.com>
2126 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2128 2001-02-10 Anthony Green <green@redhat.com>
2130 * cpp.texi (Standard Predefined): Add documentation for
2133 * c-common.c (combine_strings): Improve warning message.
2135 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2137 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2139 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2141 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2143 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2146 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2148 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2151 2001-02-09 Nick Clifton <nickc@redhat.com>
2153 * config/arm/arm.md: Change output contraint on post inc
2154 load/store multiple patterns to be a read/write contraint.
2156 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2158 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2159 .o files when using the -M options.
2161 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2162 David Edelsohn <edelsohn@gnu.org>
2164 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2165 handle DImode constants. Use one TOC entry for SImode and smaller
2166 constants, aligned properly.
2168 2001-02-08 Jason Merrill <jason@redhat.com>
2170 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2171 about the SP adjustment for saving the static chain pointer.
2172 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2173 offset when setting a temporary CFA register.
2175 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2177 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2178 powerpc-*-chorusos* .
2179 * config/rs6000/chorus.h : New file.
2180 * config/i386/chorus.h : New file.
2181 * config/sparc/chorus.h : New file.
2182 * config/sparc/t-chorus-elf : New file.
2184 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2186 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2187 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2188 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2189 (__WCHAR_TYPE__): Correct macro name.
2191 2001-02-08 Richard Henderson <rth@redhat.com>
2193 * config/i386/i386.c (ix86_frame_pointer_required): New.
2194 (ix86_setup_frame_addresses): New.
2195 (struct machine_funciton): Add accesses_prev_frame.
2196 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2197 ix86_frame_pointer_required.
2198 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2199 (SETUP_FRAME_ADDRESSES): New.
2200 * config/i386/i386-protos.h: Update.
2201 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2202 from FRAME_POINTER_REQUIRED.
2203 * config/i386/svr3gas.h: Likewise.
2204 * config/i386/sysv3.h: Likewise.
2205 * config/i386/v3gas.h: Likewise.
2207 2001-02-08 Richard Henderson <rth@redhat.com>
2209 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2210 calculation of the number of integer registers required.
2211 (function_arg_record_value): Likewise.
2213 2001-02-08 Jason Merrill <jason@redhat.com>
2215 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2216 two. Print file and line with "confused" message.
2218 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2220 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2222 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2224 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2226 * final.c (cleanup_subreg_operands): The address of a MEM can
2229 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2232 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2234 * gcc.texi (Incompatibilities): Update documentation of
2235 preprocessing numbers.
2237 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2239 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2241 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2243 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2245 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2246 * gcc.c (struct compiler): Add cpp_spec field.
2247 (input_file_compiler): New variable.
2248 (do_spec_1): Allow a particular compiler to handle `%C'
2250 (main): Store the current compiler in input_file_compiler.
2251 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2253 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2255 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2256 * cppinit.c (cpp_create_reader): Initialize them.
2257 (append_include_chain): cxx_aware arg might be unused.
2258 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2259 keywords and give them their phase 7 meaning. Pedwarn about
2260 this unless '__bool_true_false_are_defined' is defined.
2262 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2264 * lcm.c (optimize_mode_switching): Emit mode_set before the
2265 JUMP_INSN of an abnormal edge.
2267 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2269 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2270 a scheduling barrier at the end.
2272 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2274 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2276 * config/sh/sh.md (reload_outsf): Removed.
2277 (movsf_ie): Introduce constraints for FPUL loads and stores.
2278 (reload_insf): Broaden the output constraint.
2280 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2282 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2283 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2285 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2287 * final.c: Revert my previous changes.
2288 * output.h: Make profile_label_no extern.
2289 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2290 for generating label.
2292 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2294 * config/i386/djgpp.h: Add comments about standard paths.
2295 (MD_EXEC_PREFIX): Undefine before defining.
2296 (MD_STARTFILE_PREFIX): New.
2298 2001-01-30 Bruce Korb <bkorb@gnu.org>
2300 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2301 (load_file): do not rely on load_file_data() to close file pointer
2302 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2303 fixinc/inclhack.def(irix_limits_const): add test_text
2305 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2307 * cppexp.c (parse_defined): Improve diagnostics for invalid
2310 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2312 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2314 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2316 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2317 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2318 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2319 (rs6000_output_symbol_ref): New function.
2320 (output_toc): Use VTABLE_NAME_P.
2322 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2324 * print-tree.c (print_node, case PARM_DECL):
2325 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2327 * stor-layout.c (reference_types_internal): New variable.
2328 (internal_reference_types): New function.
2329 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2330 * tree.h (internal_reference_types): New declaration.
2332 * cse.c (find_best_addr): Fix typo in computing cost.
2334 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2336 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2337 and this is the sum of a pointer and a constant, we know the result
2339 (num_sign_bit_copies, case PLUS): Likewise.
2340 * explow.c (convert_memory_address): Remove opposite SUBREG.
2341 * function.c (instantiate_new_reg): New function (from common code).
2342 (instantiate_virtual_regs_1): Call it.
2343 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2344 if pointers sign- or zero-extend.
2345 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2346 If pointers extend unsigned, use inside of SUBREG.
2347 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2349 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2351 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2352 subdir of gcc_gxx_include_dir.
2353 (gcc_gxx_target_include_dir): Remove.
2355 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2357 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2358 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2359 a high-level description.
2361 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2363 * final.c: Move the declaration of profile_label_no to ...
2364 * output.h: ... here.
2365 * function.c (expand_function_start): Call PROFILE_HOOK.
2366 * config/rs6000/aix.h: Define PROFILE_HOOK.
2367 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2368 * config/rs6000/rs6000.c (output_profile_hook): Define.
2369 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2370 output_profile_hook.
2371 tm.texi : Explain new macro PROFILE_HOOK.
2373 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2375 * extend.texi (Extended Asm): Do not say that semicolon is always
2376 a valid line-breaking character for GNU assemblers. Use
2377 newline-tab as the most commonly supported syntax. Use
2378 newline-tab rather than semicolon in multi-insn examples.
2380 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2382 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2384 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2385 David Edelsohn <edelsohn@gnu.org>
2387 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2388 code for AIX, even without flag_pic.
2390 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2392 * c-typeck.c (common_type): push and pop binding level around
2393 calling common_type on function parameters.
2395 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2397 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2399 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2401 * config/mips/mips.c (override_options): Fix typo in last change.
2402 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2403 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2405 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2407 * invoke.texi (-fdump-class-layout): Document.
2408 (-fdump-translation-unit): Use `=' as filename separator.
2410 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2412 * Makefile.in (s-mlib): Don't build multilibs if
2414 (DRIVER_DEFINES): Adjust accordingly.
2416 (protoize.o): Likewise.
2417 (unprotoize.o): Likewise.
2418 * configure.in: Recognize --enable-multilib.
2420 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2422 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2424 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2425 * configure.in: Remove --enable-libstdcxx_v3 support.
2426 * configure: Regenerated.
2428 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2430 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2431 Call abort instead of fatal.
2432 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2433 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2434 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2435 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2436 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2437 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2439 * diagnostic.h (set_internal_error_function): Renamed.
2440 * toplev.h (internal_error): Renamed from fatal.
2441 (pfatal_with_name): Deleted.
2442 (fatal_io_error): Now has printf-style arguments.
2443 * diagnostic.c (pfatal_with_name): Deleted.
2444 (fatal_io_error): Rework to have args in printf-style.
2445 (set_internal_error_function): Renamed from set_fatal_function.
2446 (internal_error): Renamed from fatal.
2447 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2448 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2449 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2450 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2451 * flow.c (verify_flow_info): Likewise.
2452 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2453 * config/mips/mips.c (save_restore_insns): Likewise.
2455 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2456 * flow.c (verify_flow_info): Likewise.
2457 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2458 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2459 (avr_normalize_condition): Likewise.
2460 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2461 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2462 (limit_reload_class, double_reg_to_memory): Likewise.
2463 (print_operand_address, emit_1600_code_shift): Likewise.
2464 (gen_tst_reg, gen_compare_reg): Likewise.
2465 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2466 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2468 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2470 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2471 * objc/objc-act.c (build_ivar_chain): Likewise.
2472 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2474 * graph.c (clean_graph_dump_file): Likewise.
2475 * profile.c (init_branch_prob): Likewise.
2476 * objc/objc-act.c (objc_init): Likewise.
2478 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2479 * config/avr/avr.c (avr_override_options): Likewise.
2480 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2481 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2482 * config/h8300/h8300.c (h8300_init_once): Likewise.
2483 * config/mips/mips.c (override_options): Likewise.
2484 * config/i386/i386.c (override_options): Likewise, rework.
2485 * config/m68k/m68k.c (override_options): Likewise.
2487 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2489 * config/mips/mips.c (print_operand): Likewise.
2490 * hash.c (hash_allocate): Don't check for failure returns from
2491 obstack functions that can't fail.
2492 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2493 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2494 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2495 (get_object_reference): Likewise.
2497 2001-02-04 Nick Clifton <nickc@redhat.com>
2499 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2500 StrongARM1110, 10TDMI, and 1020T.
2502 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2504 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2506 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2508 * config/sh/sh.md (movdf load split): Pass register number to
2509 FP_OR_XD_REGISTER_P.
2511 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2513 * cppinit.c (BC): New macro.
2514 (builtin_array): Add __GXX_WEAK__.
2515 * cpplib.h (builtin_type): Add BT_WEAK.
2516 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2517 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2518 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2520 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2522 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2524 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2526 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2527 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2529 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2531 * cpphash.h: Rename ALIGN _ALIGN.
2532 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2534 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2536 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2537 compilation environment.
2538 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2539 control over location of cygwin includes and libs.
2541 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2543 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2545 2001-02-02 lars brinkhoff <lars@nocrew.org>
2547 * md.texi (Standard Names): remove reference to spur.md.
2549 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2551 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2552 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2553 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2554 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2555 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2557 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2559 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2560 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2561 number before reload.
2562 (c4x_adjust_cost): Return zero before reload.
2563 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2564 split before reload.
2566 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2568 * c4x.c (c4x_hard_regno_rename_ok): New.
2569 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2570 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2572 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2574 * diagnostic.h: Add missing "extern" in all declarations.
2576 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2578 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2579 as for gcc_gxx_include_dir.
2581 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2583 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2585 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2587 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2588 label before alignment to be used as the braf base address.
2589 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2591 (casesi_jump_2): Require at least TARGET_SH2.
2593 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2594 truncation to 32-bit doubles on -m3e and -m4-single-only.
2596 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2598 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2599 the default when building a shared object.
2600 (init_spec): Use it.
2601 * testsuite/lib/g++.exp: Include the directory where libgcc
2602 is located to the LD_LIBRARY_PATH list.
2603 * invoke.texi (-shared-libgcc): Document the cases in which
2604 GCC defaults to using the shared libgcc.
2606 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2608 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2609 unsigned is wide enough.
2611 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2612 (si_to_float): Likewise.
2613 (float_to_si, float_to_usi): Use BITS_PER_SI.
2615 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2617 * dwarf2out.c: Added explanation of abbreviations.
2618 (def_cfa_1): Added comments listing DWARF2 instructions.
2619 (cfa_temp_reg): Removed in favor of cfa_temp.
2620 (cfa_temp_value): Removed in favor of cfa_temp.
2621 (cfa_temp): New global variable.
2622 (dwarf2out_frame_debug_expr): Added extensive introductory
2623 comments explaining the function's transformations. Revised to
2624 use cfa_temp. Added some rtx checking. Generalize IOR case.
2625 (dwarf2out_frame_debug): Revised to use cfa_temp.
2626 (output_aranges): Cast as "unsigned" to avoid warning.
2627 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2628 explain which instructions must be marked.
2630 2001-02-01 Richard Henderson <rth@redhat.com>
2632 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2635 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2637 * config/sh/crt1.asm (main_k): Modified so that start calls
2638 ___setup_argv_and_call_main.
2640 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2642 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2643 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2644 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2645 * cppmacro.c (builtin_macro): Set builtin flags here.
2646 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2647 (replace_args): Clarify intent.
2648 (cpp_get_token): Macro expansion tokens get the saved flags.
2650 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2653 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2655 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2658 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2660 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2661 returns Pmode pseudo, but we need ptr_mode.
2662 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2663 Remove bogus conversions; use HOST_WIDE_INT for size.
2664 Don't use TARGET if wrong mode.
2666 * config/i386/i386.c (ix86_compute_frame_size): Allow
2667 stack_alignment_needed to be non-default even if size is zero.
2669 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2671 * (hppa_init_pic_save): Emit the pic offset table
2672 reg save after last_parm_insn.
2673 * pa.c (hppa_init_pic_save): New function.
2674 * pa.h (hppa_init_pic_save): Declare.
2675 * pa.md (call, call_value, sibcall, sibcall_value): Use
2676 the above instead of duplicated code.
2678 * pa.c (hppa_encode_label): Correct size of alloca buffer
2679 so we don't overrun it. Correct leading `*' case.
2680 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2681 need to handle `*@'.
2682 (FUNCTION_NAME_P): Likewise.
2684 2001-01-31 Richard Henderson <rth@redhat.com>
2686 * config.gcc (alpha-osf5): Use float-i128.h.
2688 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2689 * config/float-i32.h: Likewise.
2690 * config/float-i64.h: Likewise.
2691 * config/float-sh.h: Likewise.
2692 * config/float-sparc.h: Likewise.
2694 2001-01-31 DJ Delorie <dj@redhat.com>
2696 * expmed.c (extract_bit_field): allow non-integral modes if we
2697 want to extract a whole register from itself.
2699 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2701 * c-typeck.c (set_init_index): If first is equal to last, assume as
2702 if it was not a range at all.
2704 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2706 * config/fp-bit.c: Include tm.h.
2707 (float_to_si): Don't assume SImode is 32-bits wide.
2708 (float_to_usi): Likewise.
2710 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2712 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2714 (typename): Call pending_xref_error after parsing typed_typespecs.
2715 * c-decl.c (lookup_tag): Give error immediately rather than
2716 leaving it pending if the tag of the wrong type is in the same
2718 (xref_tag): Don't pedwarn for forward declarations of enum types
2720 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2723 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2725 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2727 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2729 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2730 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2732 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2734 * cpphash.h (struct cpp_reader): New saved_flags.
2735 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2736 to avoid a paste after a pasted token.
2738 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2740 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2741 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2742 Wtype_MIN instead of LONG_MIN.
2744 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2746 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2748 * fixinc/fixincl.x: Regenerated.
2749 * fixinc/inclhack.def (irix_limits_const): New definition to
2750 convert "const" to "__const" in limits.h.
2752 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2754 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2756 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2758 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2759 when register dies in the insn.
2761 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2763 * diagnostic.c (fatal): Fix word wrap.
2765 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2767 * combine.c (try_combine): Fix SUBREG setting for
2768 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2770 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2772 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2775 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2777 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2779 * toplev.c (decode_W_option): Update warn_larger_than
2780 unconditionally for each processed switch.
2782 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2784 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2786 (hppa_expand_prologue): Delete code to save pic offset table register
2787 in the function prologue.
2788 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2789 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2790 table register at the beginning of the function after the prologue.
2792 2001-01-29 lars brinkhoff <lars@nocrew.org>
2794 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2796 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2797 Jeff Law <law@redhat.com>
2799 * pa.md (return): Revise comment for trivial return.
2800 (return_internal): Non-trivial return pattern for non-PIC code.
2801 (return_internal_pic): Non-trivial return pattern for PIC code.
2802 It uses the PIC register to ensure it is restored after
2804 (epilogue): Generate appropriate return for PIC and non-PIC code.
2806 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2808 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2810 2001-01-29 DJ Delorie <dj@redhat.com>
2812 * combine.c (if_then_else_cond): Pass the correct mode to
2813 operand_subword() for constants.
2815 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2817 * config/i386/cygwin.h: Add w32api to include search. Search different
2818 directories in a cross-build environment.
2820 2001-11-29 Tim Josling <tej@melbpc.org.au>
2822 * tree.h (TYPE_STUB_DECL): Add documentation.
2824 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2826 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2827 (sdbout_field_types): Likwise. Fix use of host_integerp.
2829 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2831 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2834 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2836 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2837 to use flag_gnu_linker.
2839 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2841 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2842 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2844 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2846 * tree.c, tree.h (build_parse_node): Remove; was identical to
2848 * c-lang.c (start_cdtor), objc/objc-act.c
2849 (build_module_descriptor): Use build_nt instead of
2852 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2854 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2855 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2856 not have any upper bits set.
2858 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2860 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2862 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2864 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2866 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2868 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2869 (integer_minus_one_node): Define.
2871 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2873 * Makefile.in (bootstrap2-lean): Fix typo.
2875 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2877 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2878 : Don't set fe_value.
2879 * cpplib.h (AVOID_LPASTE): New flag.
2880 (struct cpp_hashnode): Remove fe_value.
2881 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2882 * cppmacro.c (builtin_macro): Don't set flags here.
2883 (replace_args): Set AVOID_LPASTE flag on first token of an
2884 argument, and the token following it.
2885 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2886 macro expansion, and on the token following it. Do it for
2888 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2890 2001-01-27 Richard Henderson <rth@redhat.com>
2892 * config/alpha/t-ieee: Remove multilibbing.
2893 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2895 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2897 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2899 * Makefile.in: Remove all dependencies on defaults.h.
2900 * builtins.c: Don't include defaults.h.
2901 * c-common.c: Likewise.
2902 * c-decl.c: Likewise.
2903 * c-pragma.c: Likewise.
2904 * c-typeck.c: Likewise.
2905 * combine.c: Likewise.
2907 * frame-ia64.c: Likewise.
2908 * cppexp.c: Likewise.
2909 * crtstuff.c: Likewise.
2910 * dbxout.c: Likewise.
2911 * dwarf2out.c: Likewise.
2912 * dwarfout.c: Likewise.
2913 * emit-rtl.c: Likewise.
2914 * except.c: Likewise.
2916 * final.c: Likewise.
2917 * frame-dwarf2.c: Likewise.
2918 * libgcc2.c: Likewise.
2919 * optabs.c: Likewise.
2920 * profile.c: Likewise.
2921 * sdbout.c: Likewise.
2922 * toplev.c: Likewise.
2923 * tradcif.y: Likewise.
2925 * varasm.c: Likewise.
2927 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2929 * builtins.c (expand_builtin_fputs): Use size_one_node when
2930 transforming into fwrite.
2932 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2934 * extend.texi (Attribute Syntax): New section.
2936 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2938 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2939 they didn't need fixing.
2941 2001-01-27 Janis Johnson <janis@us.ibm.com>
2943 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2945 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2946 to remove macro definitions that are duplicated from elfos.h.
2948 2001-01-27 Richard Henderson <rth@redhat.com>
2950 * config/i386/sco5gas.h: Move ...
2951 * config/usegas.h: ... here.
2952 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2954 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2956 * c-typeck.c (struct constructor_stack): Add range_stack member.
2957 (really_start_incremental_init): Clear it.
2958 (push_init_level): Save constructor_range_stack and clear it if
2959 pushing explicit braces.
2960 (pop_init_level): abort if constructor_range_stack is non-zero at
2961 explicit closing brace. Restore saved constructor_range_stack if
2964 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2966 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2967 into register was forced into memory.
2969 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2971 * Makefile.in: Remove uses of + before $(MAKE).
2973 2001-01-26 Richard Henderson <rth@redhat.com>
2975 * stmt.c (cost_table): Remove.
2976 (COST_TABLE, cost_table_initialized): New.
2977 (estimate_case_costs): Use the later instead of the former.
2978 (balance_case_nodes): Likewise.
2980 2001-01-26 Richard Henderson <rth@redhat.com>
2982 * alias.c (objects_must_conflict_p): Read-only slots may not
2983 conflict despite having the same type.
2985 2001-01-27 Michael Hayes <mhayes@redhat.com>
2987 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2989 (check_ext_dependant_givs): Initialise u_start_val and
2991 (load_mems): Make last_max_reg unsigned.
2992 (try_swap_copy_prop): Use INSN_P and initialise set.
2994 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2996 * README.AVR : Removed.
2998 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3000 * pa-64.h (text_section): Remove declaration.
3002 * pa.md (return_internal): Remove mode on PIC register use.
3004 2001-01-25 lars brinkhoff <lars@nocrew.org>
3006 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3007 ASM_CLOSE_PAREN): fix typos.
3009 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3011 * acconfig.h: Define `const' to the empty string if neither
3012 __STDC__ nor __cplusplus is defined.
3013 * config.in: Regenerated.
3015 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3017 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3018 * collect2.c (main): Delete importf. Add ".obj" file extension.
3019 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3020 (aix_std_libs): Add additional AIX libraries to skip.
3021 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3022 * config/rs6000/aix51.h: New file.
3024 2001-01-25 Michael Hayes <mhayes@redhat.com>
3026 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3027 (loop_insn_emit_before): No longer static.
3028 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3029 (loop_givs_rescan, load_mems): Likewise.
3030 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3031 (maybe_eliminate_biv_1):
3032 (move_movables): Replace emit_call_insn_before with
3033 loop_call_insn_hoist.
3034 * loop.h (loop_insn_emit_before): Add.
3035 * unroll.c (copy_loop_body): Replace emit_insn_before with
3036 loop_insn_emit_before.
3038 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3040 * diagnostic.c (fatal): Request preprocessed source.
3042 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3044 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3045 olddecl has argument types and newdecl has none, use the argument
3048 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3050 * dwarf2out.c (prefix_of): New function. Determine longest common
3051 prefix of the two arguments. The units are whole path components.
3052 (output_file_names): When adding a new directory find the one entry
3053 with the longest common prefix already in the list. Artificially
3054 generate entry if there is none for this prefix.
3055 Fix test to check whether the zeroth directory entry is used.
3057 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3059 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3060 Changed all callers. Take it into account when deciding if a
3061 previously loaded value matches.
3063 2001-01-24 Richard Henderson <rth@redhat.com>
3065 * reload.c (find_reloads_subreg_address): Fail the substitution
3066 if the resulting address is insufficiently aligned.
3068 2001-01-24 DJ Delorie <dj@redhat.com>
3070 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3071 check the original operand's mode also.
3072 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3074 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3076 * c-parse.in (cast_expr): Move compound literals from here ...
3077 (primary): ... to here. Use standard terminology "compound
3078 literal" instead of "constructor expression".
3080 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3082 * gcc.1, cpp.1: Regenerate.
3084 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3086 * calls.c (emit_library_call_value_1): Memory slot for
3087 pass-by-reference argument should have the mode of the argument,
3088 not of the pointer to it.
3090 2001-01-24 Tom Tromey <tromey@redhat.com>
3092 * gcc.texi (G++ and GCC): Mention gcj manual.
3093 (Standards): Link to section of manual mentioning gcj/Java
3096 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3098 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3099 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3100 * tradcpp.c (main): Add -imacros or -include'd dependencies
3102 * cpp.texi (-M, -MM): Document -M -include behaviour.
3104 2001-01-24 Roger Collins <roger@ProProject.com>
3106 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3108 2001-01-24 Will Cohen <wcohen@redhat.com>
3110 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3111 whether registers are 32 bits or 64 bits in size.
3113 2001-01-24 Ben Elliston <bje@redhat.com>
3115 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3117 2001-01-24 Richard Henderson <rth@redhat.com>
3119 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3120 (builtin_longjmp): Use it instead of emit_indirect_jump.
3122 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3124 * bb-reorder.c (make_reorder_chain_1): Handle case where
3125 jump edge goes to the same block as the fallthru edge.
3127 2001-01-23 Jim Wilson <wilson@redhat.com>
3129 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3130 * frame.h (__ia64_personality_v1): Add prototype.
3131 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3132 prototype form. Add void * cast to first argument to personality
3134 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3135 (asctoe113): Likewise.
3136 * config/ia64/frame-ia64.c: Include eh-common.h.
3137 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3139 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3141 (itanium_split_issue): Add prototype.
3142 (gen_nop_type): Ifdef out.
3143 (find_best_packet): Initialize best_packet.
3144 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3146 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3147 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3148 (flushrs): Add explicit stop bit at end.
3149 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3152 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3154 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3156 * libgcc2.c (__terminate_func): Make variable static.
3157 (__terminate_set_func): New function to set __terminate_func.
3158 * libgcc2.h (__terminate_func_ptr): New typedef.
3159 (__terminate_set_func): New function.
3161 2001-01-23 Richard Henderson <rth@redhat.com>
3163 * flow.c (init_propagate_block_info): Don't consider unchanging
3164 memories for dead frame store elimination.
3166 2001-01-23 Richard Henderson <rth@redhat.com>
3168 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3169 * defaults.h: ... here.
3171 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3173 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3175 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3177 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3179 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3181 * rs6000.h (rs6000_return_addr): Move prototype from here...
3182 * rs6000-protos.h (rs6000_return_addr): ...to here.
3183 (rs6000_init_expanders): Delete prototype.
3185 2001-01-23 Nick Clifton <nickc@redhat.com>
3187 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3188 (Spec Files): Document %B and %j and %. and %v3 and %M and
3189 %{S*&T} spec switches.
3191 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3193 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3195 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3196 Neil Booth <neil@daikokuya.demon.co.uk>
3198 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3199 Have -Werror make pedantic warnings errors, like the
3202 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3204 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3206 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3208 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3209 * integrate.c (expand_inline_function): Initialize them.
3210 (subst_constants): If changing COMPARE so that both its arguments
3211 will be VOIDmode and the comparison mode will be lost, note
3212 compare_mode. Use the recorded compare_mode to optimize
3215 2001-01-23 Jason Merrill <jason@redhat.com>
3217 * dwarf2out.c (new_die): Use xcalloc.
3218 (output_die): Abort rather than emit a local reference to offset 0.
3220 2001-01-17 Andrew Haley <aph@redhat.com>
3222 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3223 of a saved register; return NULL instead.
3224 (copy_reg): Take a pointer to a source register rather than a
3226 (next_stack_level): Remember the address in the stack frame of all
3228 Use the saved register pointer array as the source of the CFA.
3229 (throw_helper): Rewrite. Unwind once rather than twice and keep
3230 track of saved registers as we go.
3232 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3234 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3235 * c4x.c (c4x_legitimize_reload_address): Remove.
3236 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3237 reload address for ldp(k) insn.
3239 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3241 * pa.md (return_internal): Add a USE of the PIC register to ensure
3242 it is restored after each call.
3243 (return expander): Corresponding changes.
3245 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3247 * rs6000.h (INIT_EXPANDERS): Delete.
3248 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3249 * rs6000.c (rs6000_override_options): Call *_machine_status from
3251 (rs6000_init_expanders): ...instead of here. Delete.
3252 (rs6000_mark_machine_status): New function.
3253 (rs6000_init_machine_status): Use xcalloc.
3254 (rs6000_return_addr): Generate RTX for the return address.
3255 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3256 (rs6000_stack_info): Use it.
3258 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3260 * gthr-win32.h: Include errno.h to get a declaration for
3261 EINVAL and _mingw.h if the target is mingw32.
3263 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3265 * cpp.texi: Correct typos.
3267 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3269 * explow.c (probe_stack_range): Ensure value passed to
3270 stack_check_libfunc is ptr_mode, not Pmode.
3272 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3274 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3275 case, don't use operand_subword to calculate a SUBREG that is
3278 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3280 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3282 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3283 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3284 valid. If not replace it by equivalent insns.
3286 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3288 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3289 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3290 (c4x_U_constraint, symbolic_address_operand): Likewise.
3291 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3293 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3294 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3295 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3296 anulling slot because of silicon bug.
3297 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3299 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3301 * cppexp.c (parse_charconst): Change `mask' type to agree
3304 2001-01-21 Richard Henderson <rth@redhat.com>
3306 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3307 pic_label_name in a linkonce section.
3309 2001-01-17 Philipp Thomas <pthomas@suse.de>
3311 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3313 * configure: Regenerate.
3315 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3317 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3318 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3320 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3322 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3323 If REVERSE nonzero then condition code in X must be reversed.
3324 (encode_section_info): Optimise if/else.
3325 (avr_function_value): Fix formatting.
3327 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3328 (difficult_branch): Likewise.
3329 (rvbranch): Likewise.
3330 (difficult_rvbranch): Likewise.
3332 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3334 * config/avr/libgcc.S: Fix comment.
3336 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3338 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3340 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3342 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3344 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3346 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3347 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3348 * configure, config.in: Regenerate.
3349 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3350 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3351 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3352 (doprint.o): New rule.
3354 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3356 * c-typeck.c (digest_init): Handle boolean types as scalars.
3358 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3360 * stmt.c (expand_return): Don't return anything if size is zero.
3361 Delete redundant assignment to BYTES.
3362 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3364 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3366 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3367 the same as the default library function names.
3368 * config/avr/avr.md: Document special characters after '%'.
3369 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3370 knowing which of the call-used registers are really clobbered.
3371 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3372 New. Both quotient and remainder from one libgcc.S call.
3373 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3374 clobber as few registers as possible.
3375 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3377 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3379 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3380 context of the top of the stack.
3382 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3384 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3385 (fixup_var_refs_insns): ...here.
3387 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3389 * function.c (fixup_var_refs_insns): Break up into
3390 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3391 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3392 [loop over hash table entries].
3393 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3394 fixup_var_refs_insns_with_hash, to match above changes.
3396 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3398 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3399 (libgcc.a): Likewise.
3400 (stmp-multilib): Likewise.
3401 (STAGE2_FLAGS_TO_PASS): Likewise.
3403 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3405 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3406 temporary if no_new_pseudos.
3408 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3410 * cppinternals.texi: Update.
3412 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3414 * arm.c (arm_init_builtins): Re-enable builtins.
3416 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3418 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3419 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3420 element to be null, and always expect an EXPR_LIST.
3421 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3422 * sched-deps.c (sched_analyze_1): Likewise.
3423 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3425 * regclass.c (max_set_parallel): New variable.
3426 (reg_scan): Take it into account in computation of max_parallel.
3427 (reg_scan_mark_refs, case SET): Compute it.
3429 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3431 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3432 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3434 2001-01-19 Jason Merrill <jason@redhat.com>
3436 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3437 for the abstract instance of an inline function.
3439 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3440 J"orn Rennecke <amylaar@redhat.com>
3442 * reload1.c (move2add_note_store): Treat all registers directly or
3443 indirectly derived from a base register as members of the same set
3445 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3446 of base register into account.
3448 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3450 * alias.c (find_base_value): Recognize TRUNCATE.
3451 (record_set): In PLUS case, invalidate if other summand is also a
3454 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3456 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3457 entry to be EXPR_LIST.
3458 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3459 be an EXPR_LIST (but not null, which other code doesn't allow).
3460 (note_stores): Properly handle PARALLEL in SET.
3461 Recursively call for top-level PARALLEL.
3462 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3463 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3465 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3467 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3469 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3470 not pfile->skipping (== 0).
3472 2001-01-17 Nick Clifton <nickc@redhat.com>
3474 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3477 2001-01-17 Jim Wilson <wilson@redhat.com>
3479 * invoke.texi (IA-64 options): Improve.
3481 2001-01-17 Tom Tromey <tromey@redhat.com>
3483 * invoke.texi (Optimize Options): Use `{}' to around @samp
3486 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3488 * invoke.texi (-fno-guess-branch-probability): New option.
3490 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3492 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3493 case of making new double-word constant.
3494 Revert last change: instead just test i3_subst_into_i2.
3496 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3498 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3499 Use q constraints instead of r.
3501 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3503 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3504 (machine_function): Define.
3505 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3506 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3507 pa_free_machine_status): New functions.
3508 (override_options): Set {init,mark,free}_machine_status to above.
3509 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3510 PIC_OFFSET_TABLE_REGNUM_SAVED.
3511 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3512 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3513 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3514 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3515 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3517 2001-01-15 DJ Delorie <dj@redhat.com>
3519 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3523 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3525 * flow.c (propagate_on_insn): Make trying to delete a prologue
3526 or epilogue insn an ICE, not a warning. Allow doing this if
3527 the current function returns with stack pointer depressed.
3529 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3530 I3 having more than one SET.
3532 2001-01-16 Jim Wilson <wilson@redhat.com>
3534 * invoke.texi: Document IA-64 options.
3536 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3537 (fixup_errata): Delete TARGET_A_STEP use.
3538 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3539 (TARGET_SWITCHES): Delete -ma-step option.
3540 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3541 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3542 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3543 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3544 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3545 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3547 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3548 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3549 cmovsi_internal): Delete ! TARGET_A_STEP check.
3551 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3553 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3554 possibility to report bugs via postal mail. Change a URL and
3555 merge in a nearly duplicate statement...
3556 (Bug Reporting): ...from here.
3557 (Service): Refer to the Bug Reporting section instead of
3559 (Contributing): Remove trivial explanations concerning snapshots.
3561 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3563 * cppmain.c (general_init): Don't use ANSI prototype.
3565 2001-01-16 Tom Tromey <tromey@redhat.com>
3567 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3569 2001-01-16 Richard Henderson <rth@redhat.com>
3571 * config/i386/i386.h: Fix comment typo.
3572 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3573 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3575 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3577 * gcc.c: Revert previous -fsyntax-only-related change; move
3580 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3582 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3583 inmode after checking GET_CODE (op).
3585 2001-01-16 Richard Henderson <rth@redhat.com>
3587 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3588 (MAX_MEM_SET_LIST_LEN): New.
3589 (propagate_one_insn): Update mem_set_list_len.
3590 (invalidate_mems_from_autoinc): Likewise.
3591 (invalidate_mems_from_set): Likewise.
3592 (mark_used_regs): Likewise.
3593 (init_propagate_block_info): Likewise. Stop collecting memories
3594 when we reach MAX_MEM_SET_LIST_LEN.
3595 (mark_set_1): Likewise.
3597 2001-01-16 Richard Henderson <rth@redhat.com>
3599 * unroll.c (precondition_loop_p): Fail if no iteration
3602 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3604 * gcc.c: When -fsyntax-only is given, do not complain about
3607 2001-01-15 Richard Henderson <rth@redhat.com>
3609 * config/i386/i386.c (asm_output_function_prefix): Remove.
3610 (ix86_asm_file_end): New.
3611 (load_pic_register): Generate pic_label_name into a
3612 staticly allocated buffer.
3613 * config/i386/i386-protos.h: Update.
3614 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3615 (ASM_FILE_END): New.
3616 * config/i386/i386afe.h: New file.
3617 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3618 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3619 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3620 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3621 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3622 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3623 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3625 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3627 * Makefile.in (install-man): Remove explicit dependency on
3630 * configure.in, configure: Revert previous patch requiring perl
3633 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3635 * toplev.c (flag_guess_branch_prob): New.
3636 (f_options): Add guess-branch-probability option.
3637 (rest_of_decl_compilation): Only estimate branch probability if
3639 (main): set flag_guess_branch_prob.
3641 * flags.h (flag_guess_branch_prob): New.
3643 2001-01-15 DJ Delorie <dj@redhat.com>
3645 * gcc.texi (Makefile): Add documentation for Makefile targets.
3647 2001-01-15 Philip Blundell <philb@gnu.org>
3649 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3651 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3652 (is_pic): Delete declaration.
3653 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3654 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3655 * config/arm/arm.md (builtin_setjmp_receiver): New.
3657 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3659 * arm.c (use_return_insn): Don't try to determine the function type
3660 until after reload has completed.
3661 (arm_output_epilogue): Don't adjust the sp value recovered from the
3663 (emit_multi_reg_push): Don't record dwarf information for the pc.
3664 * arm.md (eh_epilogue): The function type may have changed, so it
3665 needs to be recalculated.
3666 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3667 unwind tables on arm/netbsd.
3669 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3671 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3672 (negated_cbranchsi4): Likewise.
3674 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3676 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3677 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3678 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3679 pass -mapcs-* options to assembler.
3680 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3681 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3682 (ASM_SPEC): Call subtarget_extra_asm_spec.
3684 2001-01-15 Andreas Jaeger <aj@suse.de>
3686 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3688 (ix86_expand_builtin): Likewise.
3690 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3691 warning about comparison between signed and unsigned.
3693 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3695 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3697 2001-01-14 Ralf Baechle <ralf@gnu.org>
3699 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3700 SUBTARGET_CPP_SPEC apropriatly.
3702 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3704 * varasm.c (make_decl_rtl): Fix typo in last change.
3706 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3708 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3709 linker supports the init_priority C++ attribute.
3710 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3711 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3712 linker does not support init_priority C++ attribute.
3714 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3716 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3718 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3720 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3721 * cp/lex.c (finish_parse): Similarly.
3722 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3723 Return the number of errors encountered.
3724 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3725 * cppmain.c (main): Don't call cpp_destroy.
3727 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3729 * configure.in: Require at least perl 5.6.0 to regenerate
3731 * configure: Regenerate.
3733 2001-01-14 Richard Henderson <rth@redhat.com>
3735 * genrecog.c (DT_veclen_ge): New.
3736 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3737 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3738 (nodes_identical_1): Handle DT_veclen_ge.
3739 (write_cond, debug_decision_2): Likewise.
3741 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3743 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3745 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3747 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3749 * cppmain.c (do_preprocessing): New function; most of the old
3751 (main): Call it to do most of the work.
3752 (cb): Move from global scope to set_callbacks ().
3753 (setup_callbacks): Get the callback pointer.
3754 (general_init, printer_init): Clean up code and comments.
3756 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3758 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3761 2001-01-14 Kazu Hirata <kazu@hxi.com>
3763 * config/h8300/h8300.c (get_shift_alg): Update comments.
3765 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3767 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3768 (alloc_page, ggc_alloc): Add casts to remove warnings.
3770 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3772 * combine.c (simplify_comparison): Don't change `code' when
3773 can't reverse comparison.
3775 2001-01-14 Richard Henderson <rth@redhat.com>
3777 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3778 update all call sites. Return true for all non-label constants.
3780 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3782 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3784 (ix86_expand_branch): Update.
3785 (ix86_expand_setcc): Update to handle multiple test conditions.
3786 (expand_int_movcc): Likewise.
3787 (expand_fp_movcc): Likewise.
3788 * i386-protos.h (ix86_expand_compare): New.
3789 * i386.md (andqi_?_slp, orqi_?_slp): New.
3790 (conditional trap expander): Update call to ix86_expand_compare.
3792 2001-01-14 Richard Henderson <rth@redhat.com>
3794 * config/vax/vax.md: Use nonimmediate_operand instead of
3795 general_operand in destinations.
3797 * config/vax/vax.md (indirect_jump): Use register_operand.
3799 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3800 * config/vax/vax.md (call_pop): Turn into an expander.
3801 (call_value_pop): Likewise.
3802 (call, call_value): New.
3804 2001-01-14 Andreas Jaeger <aj@suse.de>
3806 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3808 (ix86_fp_compare_mode): Add unused attribute.
3809 (ix86_expand_fp_movcc): Remove unused variable.
3810 (ix86_expand_builtin): Make fcode unsigned.
3812 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3813 (expand_expr): Add cast to avoid signed warning.
3814 (store_field): Likewise.
3815 (store_constructor_field): Likewise.
3816 (store_constructor): Likewise.
3817 (store_expr): Likewise.
3818 (clear_storage): Likewise.
3819 (emit_group_store): Likewise.
3820 (emit_group_load): Likewise.
3822 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3824 * c-common.c: Move format checking code to ...
3825 * c-format.c: ... here. New file. Reorder some functions and
3827 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3829 * c-common.h (decl_handle_format_attribute,
3830 decl_handle_format_arg_attribute): Declare.
3831 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3832 (c-common.o): Adjust dependencies.
3833 (c-format.o): New list of dependencies.
3835 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3837 * unroll.c (loop_iterations): If we cannot prove iteration variable
3838 is set once in each iteration, punt.
3840 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3842 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3843 (*strlenhi): Remove clobber (which was buggy) of output address.
3845 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3847 * Makefile.in (generated-manpages): Add gcc.1
3848 ($(srcdir)/gcc.1): New target.
3849 (maintainer-clean): Delete $(srcdir)/gcc.1.
3850 * gcc.texi: Add macros @gccoptlist and @gol.
3851 * invoke.texi: Include option summary in manpage. Mark up option
3852 summary with @gccoptlist and @gol. Use @r in one place where
3854 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3855 * gcc.1: Generate from invoke.texi.
3857 2001-01-13 Richard Henderson <rth@redhat.com>
3859 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3860 (struct page_entry): Add group member.
3861 (struct page_group): New.
3862 (struct globals): Add page_groups member.
3863 (alloc_anon): Only define for using mmap; remove valloc call.
3864 (page_group_index): New.
3865 (set_page_group_in_use): New.
3866 (clear_page_group_in_use): New.
3867 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3868 (free_page, release_pages): Likewise.
3869 * configure.in (with-gc): Default to ggc-page always.
3871 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3873 * reload1.c (replace_pseudos_in_call_usage): Use
3874 reg_equiv_constant and reg_equiv_address, and don't try
3875 regno_reg_rtx first.
3877 2001-01-13 Richard Henderson <rth@redhat.com>
3879 * ggc-page.c (alloc_page): Round up allocation size to one page.
3880 Set e->order on extra pages.
3882 2001-01-13 Richard Henderson <rth@redhat.com>
3884 * genrecog.c (nodes_identical): Expand commentary.
3885 (write_switch): Watch out for identical nodes.
3887 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3889 * cppfiles.c (_cpp_fake_include): New function.
3890 * cpphash.h (_cpp_fake_include): New.
3891 * cpplib.c (do_line): Call _cpp_fake_include when entering
3892 header files in preprocessed input.
3893 * cppmain.c (cb_pragma_implementation): Remove handling.
3894 (setup_callbacks): Don't register pragmas.
3896 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3898 * extend.texi: Udate for CPP.
3900 2001-01-13 Andreas Jaeger <aj@suse.de>
3902 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3904 * regmove.c: Add prototype for replace_in_call_usage.
3906 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3908 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3909 struct cpp_chunk, struct htab, struct toklist,
3910 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3911 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3912 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3913 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3914 (struct macro_args): Delete.
3915 * cpphash.h: See above.
3917 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3919 * cppmain.c (struct printer): Remove no_line_dirs.
3921 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3922 : Use options rather than CPP_OPTION.
3923 (setup_callbacks): Use cb rather than pfile->cb.
3924 (main): No need to check for a buffer. Use cpp_errors.
3925 (printer_init): Don't set no_line_dirs.
3926 (maybe_print_line): Use options not no_line_dirs.
3927 (cb_file_change): Don't call print_line if -P.
3929 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3931 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3933 * c-parse.in (finish_parse): Use cpp_errors.
3934 (__yylex): Use return value of cpp_pop_buffer.
3935 * cp/lex.c (finish_parse): Use cpp_errors.
3936 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3938 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3940 * README.AVR: URLs corrected.
3942 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3944 * c-decl.c (start_function): Don't warn if old prototype is builtin
3945 that's not in C's namespace.
3946 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3947 (_bb): Add prototype for ctime.
3948 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3950 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3952 * i386.c (ix86_fp_comparison_arithmetics_cost,
3953 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3954 ix86_fp_comparison_cost): New functions.
3955 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3956 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3957 two-branch sequences; make static.
3958 (ix86_use_fcomi_compare): Do decision according to the costs.
3959 (split_fp_branch): New.
3960 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3961 * i386-protos.h (ix86_expand_fp_compare): Remove
3962 (ix86_split_fp_branch): Declare.
3964 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3965 and ix86_comparison_operator.
3967 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3970 * i386.c (put_condition_code): Output properly the unordered/ordered
3971 compares in fp case.
3972 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3974 * tm.texi (REVERSE_CONDITION): Document.
3975 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3976 in -ffast-math mode.
3977 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3979 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3981 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3983 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3986 * config/sh/sh.c (mova_p): Fix test for mova_const.
3988 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3990 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3991 cpp_get_options rather than dereferencing pfile and using
3993 * scan-decls.c (scan_decls): Use return value of
3994 cpp_pop_buffer rather than CPP_BUFFER.
3996 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3998 * cppinit.c (cpp_handle_option): help_only is now part of the
3999 cpp_options structure.
4000 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4001 cpp_set_callbacks): New functions.
4002 * cpplib.h (cpp_callbacks): Break out as a named structure.
4003 (cpp_options): Move help_only here from cpp_reader.
4004 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4005 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4006 cpp_set_callbacks): New prototypes.
4007 * cppmain.c (main): Update for help_only.
4009 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4011 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4012 Also build and remove and install and uninstall c-tree.info and
4014 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4015 ($(srcdir)/cppinternals.info): New target.
4016 * c-tree.texi: Change file name used when makeinfo used without -o
4017 from ir.info to c-tree.info. Add info directory entry.
4018 * cppinternals.texi: Add info directory entry.
4019 * .cvsignore: Update.
4021 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4023 * c-typeck.c (store_init_value): Don't require constant initializer
4024 elements with -pedantic -std=c99.
4025 (digest_init): Change error about non-constant initializer elements
4027 (constructor_range_end): Remove.
4028 (constructor_incremental, designator_depth,
4029 designator_errorneous): New variables.
4030 (struct constructor_stack): Remove range_end, add incremental.
4031 (struct constructor_range_stack, constructor_range_stack): New.
4032 (struct initializer_stack): Add constructor_range_stack.
4033 (finish_init): Set it.
4034 (start_init): Likewise. require_constant_elements for non-static
4035 trees only if not flag_isoc99.
4036 (really_start_incremental_init): Remove constructor_range_end, add
4037 constructor_incremental.
4038 (pop_init_level): Likewise.
4039 (push_init_level): Likewise. If implicit and the subobject had some
4040 value set already, preinitialize the level with it.
4041 Warn about missing braces only if not pushing due to designators.
4042 (set_designator, push_range_stack): New functions.
4043 (set_init_label): Use them.
4044 (set_init_index): Likewise. Remove constructor_range_end.
4045 Error if designator index is outside of array bounds.
4046 (add_pending_init): Compare values of purpose index trees, not the
4047 trees themselves. Allow overwriting of already initialized element.
4048 Issue a warning if it had side-effects.
4049 (set_nonincremental_init, set_nonincremental_init_from_string): New
4051 (pending_init_member): Rename to...
4052 (find_init_member): ...this function. Call set_nonincremental_init
4053 if necessary. Compare values of purpose index trees, not the trees
4054 themselves. Return the actual value, not just non-zero if something
4056 (output_init_element): Remove checks for duplicates.
4057 If field has zero size, only check the initializer for correctness.
4058 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4059 if constructor_incremental is zero. Change error about initializers
4060 not computable at load time into pedwarn.
4061 (output_pending_init_elements): Compare bit positions, not
4062 FIELD_DECLs to take into account zero-sized fields.
4063 (process_init_element): Use constructor_range_stack to fill all
4064 ranges in the designator lists from current level up.
4065 * extend.texi: Update documentation for labeled elements.
4067 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4069 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4070 to function usage for arguments passed by reference. Optimize
4071 callee-copied arguments.
4072 * regmove.c (replace_in_call_usage): New function.
4073 (fixup_match_1): Call it.
4074 * cse.c (cse_insn): Canonicalize registers in function usage.
4075 * reload1.c (replace_pseudos_in_call_usage): New function.
4078 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4081 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4083 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4086 2001-01-12 DJ Delorie <dj@redhat.com>
4088 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4089 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4092 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4094 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4095 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4096 -std options alongside references to -ansi. Update some
4097 documentation for C99.
4098 * cpp.1: Regenerate.
4100 2001-01-12 Andreas Jaeger <aj@suse.de>
4102 * haifa-sched.c (restore_line_notes): Remove argument block B
4104 * sched-ebb.c (schedule_ebb): Change caller.
4105 * sched-rgn.c (schedule_region): Likewise.
4106 * sched-int.h (restore_line_notes): Adjust prototype.
4108 * loop.h: Remove wrong declaration of doloop_condition_get.
4110 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4112 * extend.texi: Move C++-extension-related node from the C section
4113 into the C++ section.
4115 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4117 * extend.texi: Refer to an array of pointers to functions instead
4118 of one of functions.
4120 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4121 Jan Hubicka <jh@suse.cz>
4123 * combine.c (reversed_comparison): Fix typo in last patch.
4125 (combine_reversed_comparison_code): Make static to follow
4126 prototype declaration.
4128 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4130 * install.texi: Remove misplaced duplicate entry.
4132 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4134 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4136 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4138 * final.c: (leaf_function_p): Fix typo.
4140 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4142 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4143 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4145 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4146 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4147 mmap_anon, and valloc is available.
4148 * ggc-page.c: Restructure ifdef logic to match new autoconf
4149 spec. Don't throw away the test page in init_ggc.
4151 * configure, config.in: Regenerate.
4153 2001-01-12 Michael Hayes <mhayes@redhat.com>
4155 * loop.h (total_biv_increment): Constify iv_class pointer.
4156 (struct induction): Replace `mem_mode' with `mem' rtx.
4157 * unroll.c (total_biv_increment): Constify iv_class pointer.
4158 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4159 (find_mem_givs, combine_givs_p): Likewise.
4160 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4162 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4164 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4166 (__gthread_getspecific): Ditto.
4168 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4170 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4171 put_condition_code): Convert fp comparison codes to integer
4173 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4176 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4177 * i386-protos.h (no_comparison_operator): Kill.
4179 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4181 * combine.c (REVERSIBLE_CC_MODE): Remove.
4182 (reversible_comparison_p): Remove.
4183 (combine_reversed_comparison_code): New.
4184 (reversed_comparison): New.
4185 (combine_simplify_rtx): Use
4186 combine_reversed_comparison_code/reversed_comparison instead
4187 of reversible_comparison_p.
4188 (simplify_if_then_else): Likewise.
4189 (simplify_set): Likewise.
4190 (simplify_logical): Likewise.
4191 (if_then_else_cond): Likewise.
4192 (known_cond): Likewise.
4193 (simplify_comparison): Likewise.
4195 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4197 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4198 sizeof (int) is larger than sizeof(__word__).
4200 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4202 * cppinit.c (do_includes): Fix typo.
4204 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4206 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4207 in S_REGS does not occur because not all sources are possible
4208 when a S_REGS is a destination (sometimes needs a clobber).
4209 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4210 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4211 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4212 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4213 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4214 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4215 (lshrdi_const1, lshrsi3_const16): Likewise.
4216 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4217 (*movhi_68hc12, *movqi_68hc12): Likewise.
4218 (movstrictqi): Make sure reloading in D_REGS as a destination
4221 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4223 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4225 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4227 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4228 -D, -U and -A, and don't initialize the builtins.
4229 (do_includes): Error if -include or -imacros with -fpreprocessed.
4230 * cppmain.c (cb_define, cb_undef): Unconditionally process
4232 * tradcpp.c (main): Fix typo.
4234 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4236 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4237 (read_name_map): Use IS_ABSOLUTE_PATH.
4238 * tradcpp.c (get_filename): Likewise.
4240 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4242 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4243 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4244 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4245 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4246 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4247 (cmphi_z_used): Don't use '@' for the output.
4248 (tstqi_z_used): Likewise.
4249 (cmpqi_z_used): Likewise.
4250 (one_cmplsi2): Likewise.
4252 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4254 * config/sh/sh.c (barrier_align): Recognize branch around far
4255 branch and redundant insn.
4257 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4259 * invoke.texi: Restore documentation of the drivers' switches -MD
4262 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4264 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4266 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4267 check-objc//%): Support parallel testing of multilibs.
4268 (TESTSUITEDIR): Set to testsuite by default, but override for
4270 (check-gcc, check-g++, check-g77, check-objc): Enter
4273 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4275 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4276 * sched-deps.c (deps_may_trap_p): Likewise.
4277 * basic-block.h: Remove a comment.
4278 * flow.c (PROP_POSTRELOAD): Remove.
4279 (update_life_info): Don't add it to prop_flags.
4280 (mark_set_1): Lose the code that was enabled by it.
4282 2001-01-11 Michael Hayes <mhayes@redhat.com>
4284 * flow.c (flow_call_edges_add): New.
4285 * basic_block.h (flow_call_edges_add): New.
4287 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4289 * reload1.c (move2add_note_store): Update reg_set_luid even if
4290 base reg remains the same.
4292 2001-01-10 Nick Clifton <nickc@redhat.com>
4294 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4295 machine_function structure to zero.
4296 Add prototypes for machine_status functions.
4298 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4300 * c-common.h (CTI_VOID_LIST): Remove.
4301 (void_list_node): Likewise.
4302 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4303 (void_list_node): New macro.
4304 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4305 * config/i386/i386.c (ix86_init_builtins): Likewise.
4306 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4308 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4310 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4311 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4313 * tradcpp.c: Include mkdeps.h.
4314 (deps, print_deps_phony_targets, deps_append, output_deps,
4315 init_dependency_output, output_deps): New.
4316 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4317 deps_output): Delete.
4318 (print_deps_missing_files): Rename deps_missing_files.
4319 (inhibit_output): Make global.
4320 (main): Delete inhibit_output, deps_stream, deps_target.
4321 Use mkdeps functionality in the same way as cpplib. Remove
4322 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4323 -M and -MM. Remove old handling of deps via deps_out, and
4324 old reading of environment variables.
4325 (get_filename): Update to use deps_add_dep.
4327 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4329 * output.h (make_function_rtl): Remove prototype.
4330 (make_decl_rtl): Likewise.
4331 * varasm.c (make_function_rtl): Remove.
4332 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4333 than from a third parameter.
4334 * tree.h (make_decl_rtl): Remove last parameter.
4335 * c-decl.c (builtin_function): Remove last argument in call to
4336 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4337 (start_function): Likewise.
4338 * except.c (call_get_eh_context): Likewise.
4339 * expr.c (emit_block_move): Likewise.
4340 (clear_storage): Likewise.
4341 * profile.c (output_func_start_profiler): Likewise.
4342 * toplev.c (rest_of_decl_compilation): Likewise.
4343 * objc/objc-act.c (create_builtin_decl): Likewise.
4344 (synth_module_prologue): Likewise.
4345 (generate_static_reference): Likewise.
4346 (build_selector_reference_decl): Likewise.
4347 (build_class_reference_decl): Likewise.
4348 (build_objc_string_decl): Likewise.
4349 (build_protocol_reference): Likewise.
4351 2001-01-10 Richard Henderson <rth@redhat.com>
4353 * hwint.h: Revert yesterday's change.
4355 2001-01-10 Nick Clifton <nickc@redhat.com>
4357 * function.h (save_machine_status): Delete.
4358 (restore_machine_status): Delete.
4359 Amend comment describing {init|mark|free}_machine_status.
4361 * function.c (save_machine_status): Delete.
4362 (restore_machine_status): Delete.
4363 Amend comment describing {init|mark|free}_machine_status.
4364 (push_function_context_to): Remove invocation of
4365 save_machine_status.
4366 (pop_function_context_from): Remove invocation of
4367 restore_machine_status.
4369 * emit-rtl.c (init_emit_once): Amend comment describing
4370 {init|mark|free}_machine_status.
4372 * tm.texi (Per-Function Data): New node. Describe the
4373 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4376 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4378 * cppinit.c (OPT_g): Remove.
4379 (cpp_handle_option): Update for removed -g3.
4380 (print_help): Update.
4381 * cpplib.h (struct cpp_options): Remove debug_output.
4382 * cppmain.c (setup_callbacks, cb_define): Update.
4383 * gcc.c (cpp_options): Translate -g3 to -dD.
4385 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4387 * config/i960/i960.md: Change modifier to + on the zero_extract
4388 pattern after the (rotate -2 reg) canonicalization pattern.
4390 2001-01-10 Richard Henderson <rth@redhat.com>
4392 * config/alpha/alpha.c (alpha_free_machine_status): New.
4393 (override_options): Install it.
4394 (alpha_mark_machine_status): Verify machine non-null.
4395 * config/i386/i386.c (ix86_free_machine_status): New.
4396 (override_options): Install it.
4397 (ix86_init_machine_status): Use xcalloc.
4398 (ix86_mark_machine_status): Verify machine non-null.
4399 * config/ia64/ia64.c (ia64_free_machine_status): New.
4400 (ia64_override_options): Install it.
4401 (ia64_mark_machine_status): Verify machine non-null.
4403 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4405 * function.c (instantiate_virtual_regs): Instantiate virtual
4406 registers found in CALL_INSN_FUNCTION_USAGE.
4408 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4410 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4411 equivalent to -ansi in disabling -Di386.
4413 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4415 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4417 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4419 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4421 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4423 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4425 * invoke.texi: Document that -fcond-mismatch isn't supported for
4428 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4430 * gcc.texi: Define macro gcctabopt.
4431 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4432 @command, @env and @option in some places where appropriate. Use
4433 @gcctabopt where appropriate. Put URLs and email addresses inside
4436 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4438 * gcc.c (cpp_options): Set MD file name from output
4439 filename, if specified.
4440 (suffix_subst): New static variable.
4441 (do_spec): Clear it.
4442 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4444 (give_switch): Handle suffix_subst.
4446 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4448 * invoke.texi: Fix another typo.
4450 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4452 * invoke.texi: Fix typo.
4454 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4456 * c-lang.c (lang_hooks): Update.
4457 (lang_decode_option): Remove.
4458 (lang_init_options): Rename c_init_options.
4459 * toplev.c (main): Use lang_hooks for lang_init_options
4460 and lang_decode_option.
4461 * toplev.h (lang_hooks): Add 2 new hooks.
4462 * tree.h: Remove lang_init_options and lang_decode_option.
4463 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4464 * cp/decl2.c: Similarly.
4465 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4466 (lang_hooks): Update.
4467 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4469 (lang_init_options): Rename ffe_init_options.
4470 (lang_hooks): Update.
4471 (lang_decode_option): Remove.
4472 * java/lang.c (lang_init_options): Rename java_init_options.
4473 (lang_decode_option): Rename java_decode_option.
4474 (lang_hooks): Update.
4475 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4476 (lang_decode_option): Rename objc_decode_option.
4477 (lang_hooks): Update.
4479 2001-01-09 Nick Clifton <nickc@redhat.com>
4481 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4482 (d30v_return_addr_rtx): Delete.
4483 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4484 cfun->machine structure.
4485 (struct machine_function): Move to d30v.h
4486 (d30v_save_machine_status): Delete.
4487 (d30v_restore_machine_status): Delete.
4488 (d30v_init_machine_status): New Function.
4489 (d30v_mark_machine_status): New Function.
4490 (d30v_free_machine_status): New Function.
4491 (d30v_init_expanders): Use new functions.
4492 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4493 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4494 d30v_return_addr_rtx.
4496 * config/d30v/d30v.h (struct_machine): Move here.
4497 Add eh_epilogue_sp_ofs field.
4499 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4500 field in cfun->machine structure.
4502 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4504 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4505 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4506 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4508 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4510 * objc/lang-options.h: Remove bogus reference to
4513 2001-01-09 Kazu Hirata <kazu@hxi.com>
4515 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4518 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4520 * reload.c (find_reloads_address): Check for eliminable registers
4521 when substituting a constant expression for a pseudo.
4523 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4525 * c-common.c (enum format_type): Add format_type_error.
4526 (decode_format_type): New function.
4527 (decl_attributes): Use it.
4528 (format_kind_info): Adjust comment.
4530 2001-01-09 David O'Brien <obrien@BSDi.com>
4532 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4533 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4535 * config/i386/gnu.h: Don't include required platform specific .h files,
4536 tm.h will do it instead.
4537 * config/i386/i386elf.h: Likewise.
4538 * config/i386/linux.h: Likewise.
4539 * config/i386/moss.h: Likewise.
4540 * config/mips/gnu.h: Likewise.
4542 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4544 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4545 (rs6000-ibm-aix3.[01]*): Likewise.
4546 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4547 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4548 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4549 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4550 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4551 (powerpc-*-eabiaix*): Likewise.
4552 (powerpc-*-eabisim*): Likewise.
4553 (powerpc-*-elf*): Likewise.
4554 (powerpc-*-eabi*): Likewise.
4555 (powerpc-*-rtems*): Likewise.
4556 (powerpc-*-linux*libc1): Likewise.
4557 (powerpc-*-linux*): Likewise.
4558 (powerpc-wrs-vxworks*): Likewise.
4559 (powerpcle-wrs-vxworks*): Likewise.
4560 (powerpcle-*-sysv*): Likewise.
4561 (powerpcle-*-elf*): Likewise.
4562 (powerpcle-*-eabisim*): Likewise.
4563 (powerpcle-*-eabi*): Likewise.
4564 (powerpcle-*-solaris2*): Likewise.
4565 * config/rs6000/aix31.h: Delete includes.
4566 * config/rs6000/aix3newas.h: Likewise.
4567 * config/rs6000/aix41.h: Likewise.
4568 * config/rs6000/aix43.h: Likewise.
4569 * config/rs6000/beos.h: Likewise.
4570 * config/rs6000/rtems.h: Likewise.
4571 * config/rs6000/sysv4.h: Likewise.
4573 2001-01-09 Kazu Hirata <kazu@hxi.com>
4575 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4576 Change an argument mode of machine_mode to shift_mode of
4577 shift_mode. Remove an extra error check.
4578 (emit_a_shift): Adopt to the new calling prototype of
4580 (function_prologue): Fix code for a monitor
4581 function. Support H8/S.
4582 (function_epilogue): Do not output pop for a monitor function.
4584 2001-01-09 Nick Clifton <nickc@redhat.com>
4586 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4587 (setup_incoming_varargs): Use sysv_varargs_p field of the
4588 cfun->machine structure.
4589 (struct machine_function): Move to rs6000.h
4590 (rs6000_save_machine_status): Delete.
4591 (rs6000_restore_machine_status): Delete.
4592 (rs6000_init_machine_status): New Function.
4593 (rs6000_free_machine_status): New Function.
4594 (rs6000_init_expanders): Use new functions.
4596 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4598 (struct machine_function): Move here.
4600 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4601 sysv_varargs_p field of the cfun->machine structure.
4603 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4605 (rs6000_restore_machine_status): Remove prototype.
4607 2001-01-09 Richard Henderson <rth@redhat.com>
4609 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4610 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4611 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4612 (sched_analyze_2, sched_analyze_insn): Likewise.
4613 (sched_analyze, init_deps): Likewise.
4614 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4615 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4616 (compute_block_backward_dependences): Update propagate_deps call.
4618 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4620 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4622 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4624 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4625 (cpp_handle_option): Handle them.
4626 (cpp_post_options): Ensure one of -M or -MM is specified with
4627 any other -M? option.
4628 (init_dependency_output): Suppress output with -MG.
4630 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4633 * invoke.texi: Update.
4635 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4637 * sh.md (reload_outsf): Generate recognizable patterns for
4640 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4642 * c-lang.c (lang_hooks): Update.
4643 (lang_init): Rename c_init.
4644 (lang_finish): Remove.
4645 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4647 * toplev.h (lang_hooks): Add init () and finish ().
4648 * tree.h (lang_init, lang_finish): Remove.
4649 * cp/tree.h (lang_init, lang_finish): Remove.
4650 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4651 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4653 (lang_init, lang_finish): Remove.
4654 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4655 (lang_hooks): Update.
4656 * java/lang.c (lang_init): Rename java_init.
4657 (lang_finish): Remove.
4658 (lang_hooks): Update.
4659 * objc/objc-act.c (lang_init): Rename objc_init.
4660 (lang_finish): Remove.
4661 (lang_hoooks): Update.
4663 20001-01-09 Graham Stott <grahams@redhat.com>
4665 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4666 after `ptr` is initialised.
4668 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4670 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4671 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4672 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4673 stack adjusts, instead of r3.
4675 2001-01-09 Michael Hayes <mhayes@redhat.com>
4677 * flow.c (flow_loop_scan): Break out of ...
4678 (flow_loops_find) ... here.
4679 * basic-block.h (flow_loop_scan): New.
4680 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4681 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4683 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4685 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4687 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4688 realloc()ing macro_buffer.
4690 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4691 if it's wider than long and the target's long is wider than the
4694 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4696 Remove support for using UWIN as a host machine.
4697 * configure.in: Issue an error message.
4698 * configure: Regenerated.
4699 * config.gcc: Remove xm_* UWIN configury.
4700 * config/i386/xm-uwin.h: Remove.
4702 2001-01-08 Nick Clifton <nickc@redhat.com>
4704 * config/v850/v850.c (ra_rtx): Delete.
4705 (v850_save_machine_status): Delete.
4706 (v850_restore_machine_status): Delete.
4707 (v850_init_machine_status): New function.
4708 (v850_mark_machine_status): New function.
4709 (v850_free_machine_status): New function.
4710 (v850_return_addr): Use ra_rtx field in machine structure.
4711 (v850_init_expanders): Use new functions.
4713 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4714 * config/v850/v850.c: Change arguments to v850_output+* functions
4715 to take a const char *, to avoid compile time warning.
4716 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4717 (USER_LABEL_PREFIX): Redefine.
4719 2000-01-08 Jim Wilson <wilson@redhat.com>
4721 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4722 1 to unsigned HOST_WIDE_INT before left shift.
4724 2001-01-08 Nick Clifton <nickc@redhat.com>
4726 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4727 the machine structure has been allocated.
4728 (arm_free_machine_status): New function: Free the machine
4729 specific function structure.
4731 2001-01-08 Richard Henderson <rth@redhat.com>
4733 * jump.c (simplejump_p): Revert last change.
4735 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4737 * cppinit.c (init): Rename init_library.
4738 (cpp_create_reader): Update.
4739 * gcc.c (cpp_options): If -o given, use it as the target of
4742 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4744 * arm.c (arm_arch5e): New variable.
4745 (all_cores): XScale is a 5TE device.
4746 (arm_override_options): Set arm_arch5e.
4747 (arm_init_builtins): __builtin_prefetch is in arch5e.
4748 * arm.h (arm_arch5e): Declare it.
4750 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4752 * arm.md (define_constants): Add defines for UNSPEC and
4753 UNSPEC_VOLATILE insns. Update all users.
4754 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4755 * arm.c (multi_register_push, note_invalid_constants)
4756 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4757 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4758 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4760 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4762 * jump.c (jump_optimize_1): Use reversed_comparison_code
4763 instead of can_reverse_comparison_p.
4764 (jump_back_p): Likewise.
4765 (invert_exp_1): Likewise.
4766 (thread_jumps): Likewise.
4767 * simplify-rtx.c (simplify_unary_operation): Likewise.
4768 (simplify_ternary_operation): Likewise.
4769 * cse.c (find_comparison_args): Convert to use
4770 can_reverse_comparison_p.
4771 (record_jump_equiv): Likewise.
4773 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4775 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4776 (EPILOGUE_USES): Define.
4777 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4778 automatically stack the LR if it isn't live.
4780 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4782 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4785 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4787 * ggc-page.c (max_alignment): New structure.
4788 (MAX_ALIGNMENT): New macro.
4789 (init_ggc): Use it to round up the sizes in the
4790 extra_order_size_table.
4792 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4794 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4797 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4799 * builtins.def (BUILT_IN_FPRINTF): New entry.
4801 * c-common.c (c_expand_builtin_fprintf): New function.
4802 (init_function_format_info): Handle __builtin_fprintf.
4803 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4804 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4806 * c-decl.c (duplicate_decls): Adjust comment.
4808 * extend.texi (fprintf): Document new builtin.
4810 2001-01-07 Richard Henderson <rth@redhat.com>
4812 * jump.c (simplejump_p): Recognize any single_set jump
4815 2001-01-07 Richard Henderson <rth@redhat.com>
4817 * configure.in (slibdir): Accept an --with-slibdir option.
4818 Use "test" not "[" in configure. Default to $(libdir).
4820 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4822 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4823 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4824 (SHLIB_LINK): Create links for the soname.
4825 * config/mips/t-iris6: Likewise.
4826 * config/sparc/t-slibgcc: Likewise.
4827 * config/sparc/t-slibgcc-sld: Likewise.
4829 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4831 * config/i386/i386.c (constant_call_address_operand): Accept
4832 (const (plus (symbol_ref) (const_int))).
4833 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4834 constant_call_address_operand.
4836 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4838 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4839 and LONG_LONG_TYPE_SIZE > 32.
4841 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4843 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4844 the previous change.
4846 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4848 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4850 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4851 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4852 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4855 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4857 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4859 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4861 * c-lang.c (c_post_options): Call cpp_post_options.
4862 * objc/objc-act.c (objc_post_options): Similarly.
4863 * cppmain.c (main): Similarly.
4864 * fix-header.c (read_scan_file): Similarly.
4865 * cppinit.c (cpp_start_read): Move option consistency checks
4866 to cpp_post_options. Don't call init_dependency_output.
4867 If needed, add default target and main file dependency.
4868 (OPT_MD, OPT_MMD): Remove.
4870 (cpp_handle_option): Update for OPT_* changes.
4871 (cpp_post_options): New.
4872 (init_dependency_output): Command line -MF overrides environment
4873 variables. Don't set default target etc. Suppress output
4874 if dependencies are going to stdout.
4875 (print_help): Update.
4876 * cpplib.h (cpp_post_options): New.
4877 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4879 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4881 * jump.c (comparison_dominates_p): Support unordered compares.
4883 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4885 * simplify-rtx.c (simplify_relational_operation): Always simplify
4886 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4889 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4891 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4892 (nonzero_bits): Likewise.
4893 (simplify_comparison): Likewise.
4894 (num_sign_bit_copies): Likewise; return more sane value depending
4895 on STORE_FLAG_VALUE.
4896 (known_cond): Do not assume EQ to be always true for equivalent
4899 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4901 * cse.c (fold_rtx): Handle unordered comparisons.
4903 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4905 * rtlanal.c (set_of_1): New static function.
4906 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4907 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4908 reg_set_last_last_regno): Remove.
4909 (set_of): New global function.
4910 (set_of_data): New structure.
4911 (reg_set_p, reg_set_last): Revamp for set_of.
4912 * rtl.h (set_of): New.
4914 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4916 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4917 * extend.texi: Document _Exit builtin.
4919 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4921 * (initialize, initialize_builtins,
4922 initialize_dependency_output, initialize_standard_includes):
4923 Rename s/initialize/init. Update.
4924 (init_dependency_output): Move to after
4925 cpp_handle_options, the correct location temporally at least.
4926 (opt_comp): Move next to init (), its caller. Fix prototype.
4927 (init): Make "initialized" local scope.
4928 (cpp_create_reader): Always call init ().
4929 (cpp_start_read): Update.
4930 (output_deps): New function, broken out of cpp_finish.
4931 (cpp_finish): Break out output_deps.
4933 2001-01-07 Richard Henderson <rth@redhat.com>
4935 * collect2.c (COFF specific stuff): Revert 12-06 patch
4936 to prototype system functions.
4938 2001-01-07 Michael Hayes <mhayes@redhat.com>
4940 * hard-reg-set.h: Add multiple include guard.
4941 * basic-block.h (struct loop): Add `sink' field.
4942 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4943 (emit_iv_add_mult): Delete.
4944 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4945 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4946 (unroll_loop): Remove end_insert_before argument.
4947 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4948 (maybe_eliminate_biv_1): Likewise.
4949 (emit_iv_add_mult): Delete.
4950 (gen_add_mult, loop_regs_update): New.
4951 (loop_insn_emit_after, loop_insn_emit_before): New.
4952 (loop_insn_sink, loop_insn_sink_or_swim): New.
4953 (emit_iv_add_mult): Delete.
4954 (scan_loop): Set loop->sink.
4955 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4956 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4957 (maybe_eliminate_biv_1): Likewise.
4958 (maybe_eliminate_biv_1): Add basic block argument.
4959 * unroll.c (unroll_loop): Remove end_insert_before argument.
4960 (find_splittable_regs): Likewise.
4961 (find_splittable_regs): Use loop_insn_sink and its ilk.
4962 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4964 2001-01-07 Michael Hayes <mhayes@redhat.com>
4966 * loop.h (loop_insn_hoist): New prototype.
4967 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4968 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4969 (check_dbra_loop, load_mems): Likewise.
4970 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4971 (find_splittable_givs): Likewise.
4973 2001-01-07 Michael Hayes <mhayes@redhat.com>
4975 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4977 2001-01-07 Richard Henderson <rth@redhat.com>
4979 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4981 2001-01-07 Richard Henderson <rth@redhat.com>
4983 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4984 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4985 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4986 variant that handles a shared libgcc.
4987 (process_command): Always validate -{static,shared}-libgcc.
4988 (do_spec_1): New 'M' case.
4989 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4991 2001-01-07 Richard Henderson <rth@redhat.com>
4993 * Makefile.in (slibdir): New variable.
4994 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4995 (installdirs): Create slibdir.
4996 (install-libgcc, install-multilib): Defer to libgcc.mk.
4997 * configure.in (slibdir): Substitute.
4998 * mklibgcc.in (install): New target.
5000 * config/t-linux (SHLIB_LINK): Create links for the soname.
5001 (SHLIB_INSTALL): New.
5002 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5003 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5004 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5005 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5006 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5008 2001-01-07 Richard Henderson <rth@redhat.com>
5010 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5011 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5012 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5014 2001-01-07 Michael Hayes <mhayes@redhat.com>
5016 * loop.c (count_loop_regs_set): Delete.
5017 (load_mems_and_recount_loop_regs_set): Delete.
5018 (loop_regs_scan): Merge common code from count_loop_regs_set,
5019 scan_loop, and load_mems_and_recount_loop_regs_set.
5020 (scan_loop): Call load_mems directly and loop_regs_scan
5021 again if new registers created.
5023 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5025 * toplev.c (main): Call the front-end specific post_options
5026 hook if one is given.
5027 * toplev.h (struct_lang_hooks, lang_hooks): New.
5028 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5029 for the C front end.
5030 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5031 lang_hooks for the C++ front end.
5032 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5033 lang_hooks for the ObjC front end.
5034 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5035 * java/lang.c (lang_hooks): Hooks for the Java front end.
5037 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5039 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5040 for verbose DWARF[2] debugging.
5041 (cb_define, cb_undef): The new callbacks.
5042 * toplev.h (debug_define, debug_undef): Make const correct.
5043 * toplev.c (debug_define, debug_undef): Similarly. Do not
5044 perform the verbosity tests here anymore.
5046 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5048 * reload.c (subst_reloads): Take INSN argument. When
5049 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5050 * reload.h (subst_reloads): Adjust prototype.
5051 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5052 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5053 present in JUMP_INSNs and copy them to JUMP_LABEL.
5054 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5055 JUMP_INSNs and insns with REG_LABELs that are followed by
5056 JUMP_INSNs with the same REG_LABEL.
5057 * sched-rgn.c (is_cfg_nonregular): Likewise.
5058 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5060 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5062 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5064 2001-01-06 Richard Henderson <rth@redhat.com>
5066 * loop.c (scan_loop): Use xcalloc for the regs array.
5067 (load_mems_and_recount_loop_regs_set): Zero the new memory
5068 received from xrealloc.
5070 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5072 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5074 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5076 * integrate.c (copy_rtx_and_substitute): When copying
5077 an ignored return value, strip REG_FUNCTION_VALUE_P.
5079 2001-01-06 Michael Hayes <mhayes@redhat.com>
5081 * loop.c (debug_biv, debug_giv): New.
5082 (loop_biv_dump): Break out from ...
5083 (record_biv): ... here.
5084 (loop_giv_dump): Break out from ...
5085 (record_giv): ... here.
5086 (loop_bivs_check): Use print_simple_rtl.
5087 * unroll.c (loop_iterations): Use print_simple_rtl.
5089 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5091 * pa.md (return, return_internal): Modify patterns to prevent regrename
5092 mucking with the return pointer.
5094 2001-01-05 Richard Henderson <rth@redhat.com>
5096 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5098 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5100 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5101 version supplied by Matteo Frigo.
5103 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5105 * cpp.texi: Update for -MQ.
5106 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5107 (cpp_cleanup): Always free pfile->deps.
5108 (initialize_dependency_output): Don't create pfile->deps.
5109 (cpp_handle_option): Similarly.
5111 * gcc.c (cpp_options): Handle -MQ.
5112 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5113 * mkdeps.c (base_name): Remove.
5114 (deps_init): Don't allocate vector space until it's needed.
5115 (deps_free): Only free vectors if allocated.
5116 (deps_add_target, deps_add_dep): Update for initial allocation.
5117 (deps_add_default_target): Don't strip to the base_name.
5119 2001-01-05 DJ Delorie <dj@redhat.com>
5121 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5122 (INIT_EXPANDERS): Define.
5124 * config/v850/v850.c (struct machine_function): Define.
5125 (v850_save_machine_status): New function.
5126 (v850_restore_machine_status): New function.
5127 (v850_return_addr): New function.
5128 (v850_init_expanders): New function.
5130 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5131 and v850_init_expanders.
5133 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5135 * cpplib.h (struct cpp_reader): Add help_only field.
5136 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5137 (cpp_handle_option): Set pfile->help_only if we see -h,
5138 --help, -target-help, or --version. Print version string but
5139 do not set help_only if we see -v or -version. Make text
5140 printed by -v match that printed by (-)-version.
5142 * cppmain.c (main): Exit after option parsing if
5143 pfile->help_only is true.
5145 * toplev.c (independent_decode_option): Call print_version,
5146 then exit, if we see --version (but not -version).
5147 (print_version): Split lengthy message into two lines.
5149 2001-01-05 Nick Clifton <nickc@redhat.com>
5151 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5152 temporary string for initialisation before calling ggc_alloc_string.
5154 2001-01-06 Michael Hayes <mhayes@redhat.com>
5156 * rtl.h (print_simple_rtl): New.
5157 * print-rtl.c (print_simple_rtl): New.
5159 (print_rtx): Disable printing of flags and modes, etc.,
5160 if `flag_simple` nonzero.
5162 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5164 * function.c (fixup_var_refs): Use push_to_full_sequence where
5167 2001-01-05 Michael Meissner <meissner@redhat.com>
5169 * flags.h (flag_reorder_blocks): Add declaration.
5170 (flag_rename_block): Ditto.
5172 2001-01-05 DJ Delorie <dj@redhat.com>
5174 * function.c (reorder_blocks): Make sure the flags are all reset
5175 before using them to mark blocks, else a second invocation will
5176 corrupt the block chain.
5177 (reorder_blocks_0): New, resets the flags.
5179 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5181 * cse.c (find_comparison_args): Stop if the argument is known to
5184 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5186 * config/sh/sh.md (movdf): When splitting load into pair of
5187 registers, don't clobber the register used in the address too
5190 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5192 * varasm.c (mark_constant_pool): Improve initial comments.
5193 (mark_constants): Move marking of constants to mark_constant.
5194 (mark_constant): New function to recursively mark all constants
5195 referred to by a constant.
5197 2001-01-05 Catherine Moore <clm@redhat.com>
5199 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5201 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5203 * cp/lang-options.h: Bring comment in line with reality.
5204 * f/lang-options.h: Likewise.
5205 * java/lang-options.h: Likewise.
5206 * objc/lang-options.h: Likewise.
5207 * ch/lang-options.h: Likewise.
5208 * f/g77.texi: And update the manual.
5210 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5211 Denis Chertykov <denisc@overta.ru>
5213 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5214 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5215 * config/avr/avr.md (all peepholes that request a scratch register):
5216 Call it, FAIL the peephole if not safe (in interrupt functions).
5218 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5220 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5222 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5224 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5226 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5227 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5228 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5229 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5230 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5232 * extend.texi: Document these builtins.
5234 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5236 * c-common.c (lang_get_alias_set): Say we know nothing of
5237 VECTOR_TYPE aliasing.
5239 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5241 2001-01-05 Bruce Korb <bkorb@gnu.org>
5243 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5244 their x* equivalent versions for atexit-less systems
5245 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5246 systems (or any other system any more).
5248 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5250 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5251 output operands. Use arm_hard_register_operand for operand 4.
5252 (stmsi_postinc): Similarly.
5253 (ldmsi): Use arm_hard_register_operand for opernand 2.
5255 * arm.c (arm_hard_register_operand): New function.
5256 * arm-protos.h (arm_hard_register_operand): Prototype it.
5258 * arm.h (HARD_REGNO_RENAME_OK): Define.
5260 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5262 * simplify-rtx.c (cfc_args): add "unordered" field.
5263 (check_fold_consts): Set unordered field.
5264 (simplify_relational_operation): Simplify the unordered
5267 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5270 * emit-rtl.c (try_split): Fix code to mark labels.
5271 * jump.c (mark_jump_label): Make global.
5272 * rtl.h (mark_jump_label): Declare.
5274 * predict.c (estimate_probability): Handle unordred comparisons.
5276 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5278 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5279 * cppinit.c (initialize_dependency_output): Update.
5280 (cpp_finish): Output dummy targets for -MP.
5282 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5283 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5284 * gcc.c (cpp_options): Update to handle -MP.
5285 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5286 to quote only the default target.
5287 (deps_phony_targets): Insert a preceding newline. Rename from
5288 deps_dummy_targets for consistency.
5291 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5293 * calls.c (emit_library_call_value_1): Support
5294 INIT_CUMULATIVE_LIBCALL_ARGS.
5295 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5297 2001-01-04 Richard Henderson <rth@redhat.com>
5299 * c-decl.c (finish_struct): Detect flexible array members
5300 used in an inappropriate context.
5301 * c-typeck.c (really_start_incremental_init): Special case
5302 constructor_max_index for zero length arrays.
5303 (pop_init_level): Allow initialization of flexible array
5304 members. Deprecate initialization of zero length arrays.
5305 Don't issue missing initializer warning for flexible array
5306 members or zero length arrays.
5307 (process_init_element): Don't dereference null DECL_SIZE.
5308 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5309 Don't abort for empty constructors. Use size_binop
5310 (output_constructor): Add commentary regarding zero length
5311 array futures. Abort if we try to initialize an array of
5312 unspecified length with a non-empty constructor in the middle
5315 * extend.texi (Zero Length): Update and clarify documentation
5316 on static initialization.
5318 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5320 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5321 with more than 32767 words of local storage.
5323 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5325 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5326 for 'abs', 'labs', and 'fabs'.
5327 (c4x_expand_builtin): Likewise.
5328 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5330 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5332 * config/sh/sh.md (prget, prset): New insn types.
5333 (return delay slot): Dont' allow prset.
5334 (call, sfunc delay slot): Don't allow prget.
5335 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5336 for prset and prget.
5338 2001-01-05 Michael Hayes <mhayes@redhat.com>
5340 * loop.h (struct loop_reg): New.
5341 (struct loop_regs): Change to use array of `struct loop_reg'.
5342 * loop.c: Replace assortment of varrays with single regs array.
5343 (count_one_set): Delete may_not_move array argument
5344 and use regs array instead. All caller's changed.
5345 (count_loop_regs_set): Delete may_not_move and single_usage
5346 arguments and use regs array instead. All caller's changed.
5347 (find_single_use_in_loop): Replace usage array argument with pointer
5348 to regs structure. All caller's changed.
5349 (loop_optimize): Delete `moved_once' array.
5351 2001-01-05 Michael Hayes <mhayes@redhat.com>
5353 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5354 Use it instead of loop_info->has_call for scanning loop mems.
5355 (check_dbra_loop): Replace loop_info->has_call test with
5356 loop_info->has_nonconst_call.
5358 2000-01-04 Matthew Hiller <hiller@redhat.com>
5360 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5363 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5365 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5366 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5368 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5370 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5371 (flag_short_double, flag_short_wchar): Define.
5372 (c_common_nodes_and_builtins): Create many tree nodes shared
5373 between C and C++ here instead of in cp/decl.c and ...
5374 * c-decl.c (init_decl_processing): ... here.
5375 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5376 (flag_short_double, flag_short_wchar): Don't define.
5377 (record_builtin_type): New function.
5378 (build_void_list_node): New function.
5379 * c-common.h (flag_short_double, flag_short_wchar,
5380 record_builtin_type, build_void_list_node): Declare.
5382 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5384 * integrate.c (expand_inline_function): Don't put a virtual
5385 register into the reg map.
5387 * function.c (fixup_var_refs_1): If force_operand didn't put
5388 the address into the target, move it there.
5390 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5392 Special-case tree_decl/tree_list allocations.
5393 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5394 (OBJECT_SIZE): New macro.
5395 (NUM_EXTRA_ORDER): Likewise.
5396 (extra_order_size_table): New variable.
5397 (NUM_ORDERS): New macro.
5398 (objects_per_page_table): New variable.
5399 (object_size_table): New variable.
5400 (G.pages): Use NUM_ORDERS to bound the array.
5401 (G.page_tails): Likewise.
5402 (DIV_ROUND_UP): Remove.
5403 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5404 (alloc_page): Use OBJECT_SIZE.
5405 (size_lookup): Don't make it const.
5406 (ggc_alloc): Use OBJECT_SIZE.
5407 (ggc_set_mark): Likewise.
5408 (ggc_get_size): Likewise.
5409 (init_ggc): Set up the object_size_table, objects_per_page_table,
5410 and adjust size_lookup.
5411 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5412 (ggc_pop_context): Use NUM_ORDERS.
5413 (clear_marks): Likewise.
5414 (sweep_pages): Likewise.
5415 (poison_pages): Likewise.
5416 (ggc_print_statistics): Use OBJECT_SIZE.
5418 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5420 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5421 Only call array_size_for_constructor if last field and array type
5422 with no upper bound.
5424 2001-01-04 Philip Blundell <philb@gnu.org>
5426 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5427 from bit 31 downwards, if this requires no more insns.
5428 (count_insns_for_constant): New helper function for above.
5430 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5432 * gencodes.c (output_predicate_decls): Remove empty initializer.
5434 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5436 * tree.c (copy_node): Remove documentation about obstacks.
5437 (buidl1): Check that nobody tries to build 2-argument nodes this
5440 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5442 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5445 * gencodes.c (output_predicate_decls): Fill empty initializer
5448 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5450 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5451 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5453 (do_include): Handle missing headers like cpp0.
5454 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5455 paths with first include pathname. Don't strcat to uninitialized
5458 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5460 * regrename.c (regrename_optimize): Don't rename from frame pointer
5461 if frame_pointer_needed.
5462 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5463 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5464 (ia64_reorg): Use it instead of scheduling if ! optimize.
5465 (errata_emit_nops): Properly call asm_noperands.
5466 (ia64_sched_reorder): Finish cycle if we see an asm.
5467 (ia64_variable_issue): Clear scheduling state after asms.
5469 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5471 * cpp.texi: Update for -MT.
5472 * cppinit.c (initialize_dependency_output): Add a default
5473 target if none has been given already.
5474 (no_tgt, OPT_MT): New.
5475 (cpp_handle_option): Handle -MT. Update -M etc.
5476 * cpplib.h (struct cpp_options): Remove deps_target.
5477 * gcc.c (cpp_options): Handle -MT.
5478 * mkdeps.c (struct deps): Move from mkdeps.h.
5479 (deps_calc_target): Rename deps_add_default_target. Add a
5480 default target if none has been specified already.
5481 * mkdeps.h (struct deps): Move to mkdeps.c.
5482 (deps_calc_target): Rename deps_add_default_target.
5484 2000-01-03 Richard Henderson <rth@redhat.com>
5486 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5488 * c-typeck.c (push_init_level): Move checks for flexible array
5489 members and zero length arrays ...
5490 (pop_init_level): ... here. Silently discard empty initializations.
5492 * varasm.c (output_constructor): Update for sizeof change to
5495 * extend.texi (Zero Length): Clarify semantics.
5497 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5499 * configure.in (tm.h): Include isns-codes.h last.
5500 * configure: Rebuilt.
5502 2001-01-03 Richard Henderson <rth@redhat.com>
5504 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5505 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5507 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5509 * tradcpp.c (main): Make sure finclude() is called with a valid
5510 indepth value while handling -include.
5512 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5514 * gencodes.c (output_predicate_decls): New function.
5516 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5517 even if it is not the first time machmode.h is #included.
5518 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5519 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5520 * gcc.texi (Copyright): Added 2001.
5522 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5524 * c-common.c (c_common_lang_init): New function. Warn if format
5525 warning options which only have effects when used with -Wformat
5526 are used without -Wformat.
5527 * c-common.h (c_common_lang_init): Declare.
5528 * c-lang.c (lang_init): Call c_common_lang_init.
5529 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5531 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5533 * configure.in: Check for the mktemp command.
5534 * configure: Regenerate.
5535 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5536 $TEMP. Create temporary files with mktemp, if available at
5537 configure time; otherwise use set -C. Remove temporary files
5540 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5542 * configure.in: Require at least texinfo 4.0. Check for whether
5543 Pod::Man is sufficiently recent to regenerate GCC manpages.
5544 * configure: Regenerate.
5545 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5547 (GENERATED_MANPAGES): Define.
5548 (generated-manpages): New target. Depend on cpp.1 as well as
5550 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5551 configure to generated-manpages or empty) rather than on the
5552 manpages directly. Remove execute permission from installed
5553 gcov.1 as well as cpp.1.
5554 * cpp.1, gcov.1: Regenerate.
5556 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5558 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5559 tree_low_cst. Allow using cmpstrsi in more cases.
5561 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5563 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5566 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5568 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5569 * Makefile.in (HOST_CFLAGS): Mention build-make.
5571 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5573 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5576 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5578 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5581 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5584 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5585 reg_base_value and reg_known_value arrays.
5586 (init_alias_analysis): Add more cases to detect known values.
5587 * sched-deps.c (deps_may_trap_p): New function.
5588 (sched_analyze_2): Use it.
5590 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5592 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5593 don't discard an ASHIFTRT if we're shifting in a wider mode.
5595 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5597 * toplev.c (rest_of_compilation): Don't print basic block information
5598 when CFG isn't up to date.
5600 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5602 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5603 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5604 (UNALIGNED_SHORT_ASM_OP): Define.
5605 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5607 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5609 * fold-const.c (fold_convert): Fix typo.
5611 2001-01-02 Richard Henderson <rth@redhat.com>
5613 * c-common.h (ASM_INPUT_P): New.
5614 * c-parse.in (asm): Set it when needed.
5615 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5616 existance of an operand.
5618 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5620 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5621 (dwarf2out_frame_debug_expr): Likewise.
5622 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5624 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5626 * i386.c (ix86_split_to_parts): Return number of part required;
5628 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5630 (ix86_split_long_move): Use number of part returned
5631 by ix86_split_to_parts
5632 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5634 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5635 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5636 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5637 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5638 (ALIGN_MODE_128): Add TFmode.
5639 (IS_STACK_MODE): Likewise.
5640 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5641 (HARD_REGNO_OK): Support TFmodes.
5642 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5643 * i386.md (scheduler definitions): Use memory operand to determine
5644 fst/fld instructions; use mode attribute to determine real mode of
5646 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5647 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5649 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5651 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5653 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5655 * expr.c (store_constructor_field): Update ALIGN before calling
5658 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5660 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5663 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5665 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5668 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5670 * c-decl.c (start_function): Don't warn on third parameter to main.
5672 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5674 * tsystem.h: Define HAVE_DECL_GETOPT.
5676 2001-01-02 Philip Blundell <pb@futuretv.com>
5678 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5681 2001-01-02 Richard Henderson <rth@redhat.com>
5683 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5685 2001-01-02 Andreas Jaeger <aj@suse.de>
5687 * c-decl.c (c_decode_option): Remove support of
5690 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5691 (W_options): Add -Wmissing-noreturn here.
5693 * flow.c: Define lang_missing_noreturn_ok_p.
5694 (check_function_return_warnings): Use it.
5696 * c-common.h: Declare lang_missing_noreturn_ok_p.
5698 * c-lang.c (c_missing_noreturn_ok_p): New function.
5699 (lang_init): Set lang_missing_noreturn_ok_p.
5701 * invoke.texi (Warning Options): Document this.
5703 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5705 * extend.texi (C++ Extensions): New node for C++ attributes;
5706 describe init_priority and com_interface.
5707 * invoke.texi: Remove -finit-priority as it now has zero effect.
5708 * install.texi: Fix xref syntax.
5709 * md.texi: Likewise.
5711 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5713 * config.gcc (sparc64-wrs-vxworks*): New case.
5714 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5716 * config/sparc/sparc.c (sparc_override_options): Do support different
5717 pointer and architecture size.
5718 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5719 (POINTERS_EXTEND_UNSIGNED): Define.
5720 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5721 (FUNCTION_MODE): Define to be Pmode.
5722 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5724 * function.c (expand_function_end): Properly handle DECL_RESULT
5725 and copy when ptr_mode != Pmode.
5726 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5728 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5730 * c-common.c (c_common_nodes_and_builtins): Set prototype
5731 parameters for __builtin_fputs, __builtin_fputc and
5732 __builtin_fwrite. Don't declare plain fputc as a builtin.
5734 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5736 * loop.c (add_label_notes): Increment the label usage count when
5737 a note is added to an insn which refers to a CODE_LABEL.
5738 * gcse.c (add_label_notes): Likewise.
5740 2001-01-01 Andreas Jaeger <aj@suse.de>
5742 * loop.c (scan_loop): Use xmalloc to allocate movables.
5744 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5746 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5747 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5748 * reload1.c (REGISTER_MOVE_COST): Likewise.
5749 * regclass.c (REGISTER_MOVE_COST): Likewise.
5750 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5751 dimension. Adjust all users.
5752 (init_reg_sets_1): Iterate on all modes.
5753 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5754 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5755 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5756 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5757 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5758 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5759 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5760 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5761 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5762 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5763 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5764 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5765 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5766 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5767 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5768 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5769 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5770 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5771 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5772 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5773 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5774 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5775 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5776 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5777 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5778 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5779 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5781 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5783 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5784 arg VARIES_P. Call it with extra arg.
5785 (true_dependence): Likewise.
5786 * rtl.h (rtx_addr_can_trap_p): Declare.
5787 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5789 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5790 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5791 pic offset table register if it's zero. All callers changed.
5792 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5794 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5796 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5797 STRING_POOL_ADDRESS_P.
5799 * config/sparc/sparc.c (input_operand): Properly test for short op.
5801 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5802 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5803 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5804 * config/sparc/elf.h: No longer include sol2.h.
5805 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5806 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5808 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5810 2001-01-01 Michael Hayes <mhayes@redhat.com>
5812 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5813 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5814 (record_initial): Likewise.
5815 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5816 (remap_split_bivs): Likewise.
5818 2001-01-01 Michael Hayes <mhayes@redhat.com>
5820 * loop.c (loop_ivs_free): New function.
5821 (strength_reduce): Break out from...
5823 2001-01-01 Michael Hayes <mhayes@redhat.com>
5825 * loop.h (struct iv): New.
5826 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5827 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5828 'reg_biv_class' fields with 'regs' and 'n_regs'.
5829 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5830 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5831 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5833 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5835 * resource.c (mark_referenced_resources): Abort() before
5836 attempting to mark a pseudo register.
5837 (mark_set_resources): Likewise.
5839 2001-01-01 Michael Hayes <mhayes@redhat.com>
5841 * loop.h (REG_IV_CLASS): New accessor macro.
5842 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5843 * unroll.c (REG_IV_CLASS): Likewise.
5845 See ChangeLog.4 for earlier changes.