1 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
4 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
5 (local_index, local_rindex): Delete, use strchr/strrchr instead.
6 (copy_object): Fix format specifier vs argument mismatch.
8 * mips-tdump.c: Make local functions static.
9 (rindex): Don't #undef.
10 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
11 (fatal, fancy_abort): Delete.
12 (read_seek): Avoid signed/unsigned compare.
14 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
16 * combine.c (try_combine): Fix error in change to try original
18 (gen_rtx_combine): Do same as gen_rtx for now.
20 2001-03-11 Zack Weinberg <zackw@stanford.edu>
22 * configure.in: AC_SUBST xm_defines.
23 * configure: Regenerate.
24 * Makefile.in: Set DEFINES=$(xm_defines) when building
27 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
29 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
30 (cpp_included, find_include_file): Update.
31 (_cpp_compare_file_date): Make else unconditional.
33 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
35 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
37 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
39 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
40 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
42 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
44 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
45 if it's a record type.
47 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
49 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
50 mingw includes slightly.
52 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
54 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
55 #undef token before poisoning it.
57 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
59 * alpha.c (check_float_value): Use memcpy, not bcopy.
61 * m32r.c (m32r_sched_reorder): Likewise.
63 * vax.c (check_float_value): Likewise.
65 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
67 * toplev.c (file_name_nondirectory): Remove.
68 * toplev.h: Similarly.
69 * dwarf2out.c (compute_section_prefix): Use lbasename instead
70 of file_name_nondirectory.
72 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
74 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
75 * mips-tfile.c: Don't #undef rindex; not used.
77 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
79 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
80 (dbx64_register_map): Declare.
81 (RETURN_ADDR_RTX): Fix for 64bit.
82 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
83 (INCOMING_FRAME_SP_OFFSET): Set to 8.
84 * i386.c (dbx64_register_map): New global array.
85 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
86 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
89 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
91 * cppfiles.c (search_from): Use lbasename.
92 * mkdeps.c (deps_add_default_target): Use lbasename.
94 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
96 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
97 xcalloc in lieu of malloc, realloc & calloc.
99 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
101 * gengenrtl.c (xmalloc): Likewise.
103 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
104 really_call_* memory allocation routines.
106 * stmt.c (check_for_full_enumeration_handling): Use
107 really_call_calloc, not calloc.
109 * system.h (really_call_malloc, really_call_calloc,
110 really_call_realloc): Define.
111 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
113 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
115 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
117 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
119 * configure: Rebuilt.
120 * configure.in: Only use `lang_requires' for languages athat are
123 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
125 * invoke.texi: Fix typo.
128 2001-03-09 Zack Weinberg <zackw@stanford.edu>
130 * configure.in: Prune nonexistent files from build_xm_file,
131 xm_file, and host_xm_file lists. Warn unless they're
133 Don't generate *config.h here.
134 AC_SUBST all variables needed to generate *config.h.
135 * configure: Regenerate.
136 * mkconfig.sh: New helper script, from code removed from
138 * Makefile.in: Zap all MALLOC variables - no longer used
139 anywhere, and malloc.c doesn't exist.
140 Substitute in variables needed to generate *config.h.
141 Stop lying about the dependencies contained in CONFIG_H and
143 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
144 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
145 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
146 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
147 $(TM_P_H), etc. as appropriate.
149 * config.gcc: Zap references to deleted files.
150 * ggc-none.c: Don't include rtl.h or tm_p.h.
152 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
153 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
154 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
155 config/i386/xm-linux.h, config/i386/xm-linux.h,
156 config/i386/xm-next.h, config/i386/xm-openbsd.h,
157 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
158 Don't include i386/xm-i386.h.
160 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
161 config/i386/xm-i386.h, config/i860/xm-i860.h,
162 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
163 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
164 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
165 Delete (empty except comments, #includes of other deleted
166 files, and macros used nowhere).
168 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
170 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
171 independent on TARGET_FLAGS.
173 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
175 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
177 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
179 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
181 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
182 LAST_REX_SSE_REG): define.
183 (enum reg_class): Add 'LEGACY_REGS'
184 (REG_CLASS_CONTENTS): Likewise; add extended registers.
185 (SSE_REGNO_P): Recognize extended registers.
186 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
187 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
188 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
189 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
190 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
191 REG_OK_FOR_STRREG_P): Remove.
192 (HI_REGISTER_NAMES): Add extended registers.
193 (ADDITIONAL_REGISTER_NAMES): Likewise.
194 (QI_REGISTER_NAMES): Add 8bit extended registers.
195 (DEBUG_REG): Support extended registers.
196 * i386.c (regclass_map): Add extended registers.
197 (dbx_register-map): Likewise.
198 (svr4_dbx_register_map): Likewise.
199 (print_reg): Support extended registers.
200 (print_operand): Support 64bit operands.
202 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
204 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
205 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
206 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
207 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
208 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
209 STACK_BOUNDARY): Set properly for 64bits.
210 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
211 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
212 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
213 (MOVE_MAX): Set to 16.
214 (MOVE_MAX_PIECES): 8 for 64bit.
215 (Pmode): Set to SImode.
217 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
219 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
221 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
223 * i386.h (mask_64bit): New constant.
224 (target_64bit): New macro.
225 (target_options): Add '64'/'32'
226 (target_default): Define.
227 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
228 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
229 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
231 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
233 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
235 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
237 * rtlanal.c (rtx_varies_p): Check operand 0 of a
238 LO_SUM unless for_alias is set.
240 2001-03-08 Stan Shebs <shebs@apple.com>
242 * objc/objc-act.c: Fix old typos in comments, add comments for
244 (hash_init): Fix file name in error message.
246 (hash_add_attr): Ditto.
247 (continue_class): Ditto.
249 2001-03-08 Bruce Korb <bkorb@gnu.org>
251 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
252 wait4() can receive the signal.
254 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
256 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
258 * fixinc/fixincl.x: Regenerate.
260 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
262 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
264 * fixinc/fixincl.x: Regenerate.
266 2001-03-08 Richard Henderson <rth@redhat.com>
268 * configure.in (HAVE_AS_LEB128): New assembler check.
269 * configure, config.in: Rebuilt.
271 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
273 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
276 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
278 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
279 references to the MAXPATHLEN macro.
281 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
282 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
285 * config/i386/xm-gnu.h, config/xm-gnu.h,
286 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
287 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
288 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
291 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
292 doing so in various xm-*.h files.
294 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
296 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
298 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
300 * configure.in (enable_shared): Support per-package shared-library
302 * configure: Rebuilt.
304 2001-03-07 David Edelsohn <edelsohn@gnu.org>
306 * rs6000.md (cr logic): Add original POWER mnemonic alternative
307 for crnot. Set operands[5] in splitter.
309 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
311 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
312 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
313 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
314 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
315 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
316 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
317 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
320 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
321 config/i370/xm-i370.h, config/i386/xm-dgux.h,
322 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
323 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
324 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
325 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
326 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
327 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
328 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
329 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
330 Delete unused and/or empty files.
332 * config.gcc: Define USG in xm_defines as appropriate. Define
333 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
334 macro. Remove deleted xm-* files from $xm_files variable.
336 2001-03-07 Tom Tromey <tromey@redhat.com>
338 * configure: Rebuilt.
339 * configure.in: Allow config-lang.in to set `lang_requires' to list
340 of other required languages.
342 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
344 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
346 (output_prologue): Use xmalloc not oballoc.
347 (output_epilog): Free a29k_first_epilogue_insn when finished.
348 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
350 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
352 * builtins.c (expand_builtin_mathfn): Check
353 flag_unsafe_math_optimizations, not flag_fast_math.
354 (expand_builtin): Likewise
355 * combine.c (combine_simplify_rtx): Likewise.
356 (simplify_if_then_else): Likewise.
357 * cse.c (fold_rtx): Likewise.
358 * flags.h: Remove flag_fast_math. Add
359 flag_unsafe_math_optimizations and flag_trapping_math.
360 * fold-const.c (negate_expr): Check
361 flag_unsafe_math_optimizations, not flag_fast_math.
362 (invert_truthvalue): Likewise.
363 (fold): Likewise. Before associating operands, check that
364 code == MULT_EXPR, not code != MULT_EXPR.
365 * ifcvt.c (noce_try_minmax): Check
366 flag_unsafe_math_optimizations, not flag_fast_math.
367 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
368 * invoke.texi: Document -funsafe-math-optimizations and
369 -fno-trapping-math. Change documentation for -ffast-math.
370 * jump.c (reversed_comparison_code_parts): Likewise.
371 (rtx_equal_for_thread_p): Likewise.
372 * optabs.c (emit_conditional_move): Likewise.
373 * simplify-rtx.c (simplify_binary_operation): Likewise.
374 (simplify_relational_operation): Likewise.
375 (simplify_ternary_operation): Likewise.
376 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
377 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
378 Add trapping-math and unsafe-math-optimizations entries to f_options.
379 (set_fast_math_flags): New, sets flags for -ffast-math.
380 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
381 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
382 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
384 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
385 (alpha_emit_conditional_move): Initialize local_fast_math to
386 flag_unsafe_math_optimizations, not flat_fast_math.
387 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
388 instead of setting flag_fast_math to 1.
389 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
391 * config/i386/i386.c (override_options): Likewise
392 * config/i386/i386.md: Likewise.
393 * config/m68k/m68k.md: Likewise.
394 * config/mips/mips.md: Likewise.
395 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
396 (rs6000_generate_compare): Likewise.
398 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
400 * Makefile.in: Set RANLIB to @RANLIB@.
403 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
405 * fixinc/inclhack.def (djgpp_wchar_h): New test.
406 * fixinc/fixincl.x: Regenerated.
408 2001-03-07 Richard Henderson <rth@redhat.com>
410 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
412 2001-03-07 Richard Henderson <rth@redhat.com>
414 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
415 of block notes and exception handling notes.
417 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
418 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
419 (compile_file): ... here.
421 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
423 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
425 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
426 config.h now. Include libiberty.h to handle alloca.
428 2001-03-06 Zack Weinberg <zackw@stanford.edu>
430 * c-parse.in (yylexname): New function, split out of _yylex.
431 (objc_rid_sans_at): New table.
432 (init_reswords): Initialize it.
433 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
434 retrieving the next token and checking it for significance as
435 an ObjC keyword or string constant.
437 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
438 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
440 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
443 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
445 * config/m68k/m68k.c (const_uint32_operand): Accept any
446 const_int on a 32-bit host.
448 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
450 * objc/objc-act.c (init_objc): Set save_lang_status,
451 restore_lang_status, and mark_lang_status.
453 2001-03-06 Krister Walfridsson <cato@df.lth.se>
455 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
457 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
459 * cppinternals.texi: Update.
461 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
463 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
464 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
465 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
466 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
467 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
468 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
469 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
470 config/i386/xm-i386.h, config/i860/xm-i860.h,
471 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
472 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
473 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
474 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
475 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
476 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
477 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
478 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
479 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
480 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
481 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
482 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
483 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
484 match the defaults provided in hwint.h.
486 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
487 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
489 * config.gcc (xm_file): Don't set to files which are deleted.
491 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
492 guard this file against these macros being undefined.
494 2001-03-06 Zack Weinberg <zackw@stanford.edu>
496 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
497 and DECL_DEFER_OUTPUT on the decl we create, before calling
498 rest_of_decl_compilation.
500 2001-03-06 Zack Weinberg <zackw@stanford.edu>
502 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
504 * configure, config.in: Regenerate.
505 * config.gcc: Remove references to deleted files.
507 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
508 genrecog.c, rtl.c: Do not use alloca anywhere.
510 * Makefile.in, build-make, system.h, config/x-interix,
511 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
512 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
513 config/arc/xm-arc.h, config/arm/xm-arm.h,
514 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
515 config/h8300/xm-h8300.h, config/i370/x-oe,
516 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
517 config/i386/x-ncr3000, config/i386/x-sco5,
518 config/i386/xm-dgux.h, config/i860/x-sysv4,
519 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
520 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
521 config/m68k/x-hp320g, config/m69k/x-mot3300,
522 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
523 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
524 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
525 config/m88k/x-sysv4, config/m88k/x-tekXD88,
526 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
527 config/mips/x-iris, config/mips/x-iris3,
528 config/mips/x-sni-svr4, config/mips/x-sysv,
529 config/mips/xm-iris6.h, config/mips/xm-mips.h,
530 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
531 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
532 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
533 config/pa/xm-papro.h, config/romp/xm-romp.h,
534 config/rs6000/x-aix31, config/rs6000/x-aix41,
535 config/rs6000/x-beos, config/rs6000/x-lynx,
536 config/rs6000/x-mach, config/rs6000/x-rs6000,
537 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
538 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
539 config/sparc/x-sysv4, config/sparc/xm-linux.h,
540 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
541 config/vax/xm-vms.h: Eradicate all references to alloca and
544 * config/xm-alloca.h, config/clipper/x-clix,
545 config/i386/xm-sysv4.h, config/i860/x-fx2800,
546 config/i860/x-sysv3, config/m88k/x-sysv3,
547 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
548 (contained only alloca related hacks).
550 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
553 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
555 * invoke.texi: Document __FAST_MATH__.
557 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
559 * crtstuff.c: Restore include of auto-host.h.
561 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
563 Put main() in a separate file, so that the language
564 front-end can use a different main().
567 * toplev.c: (main): Rename as toplev_main.
568 * toplev.h: Declare toplev_main.
569 * Makefile.in (OBJS): add toplev.o.
570 (BACKEND): remove toplev.o, add main.o.
572 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
574 * cppfiles.c (search_from): Special case the empty string.
576 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
578 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
579 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
580 strlen or strcpy; we already know the length.
581 (_cpp_compare_file_date): Similarly.
582 * cpphash.h (struct cpp_reader): Delete done_initialising.
583 (CPP_PREV_BUFFER): Delete.
584 * cppinit.c (cpp_start_read): Don't set done_initialising.
585 * cpplex.c (parse_string): Guarantee null-termination.
586 (_cpp_equiv_toklists): Remove.
587 * cpplib.c (glue_header_name): Null-terminate.
588 (do_line): Don't leak memory.
589 * cpplib.h (BT_WEAK): Delete.
590 * cppmain.c (cb_ident): Strings are now null-terminated.
592 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
594 * gcc.c (convert_filename): Append executable suffix
595 if NO_AUTO_EXE_SUFFIX is not defined.
596 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
597 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
599 2001-03-03 David O'Brien <obrien@FreeBSD.org>
601 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
602 * c-parse.gperf, c-gperf.h: Delete.
603 (c-gperf.h was accidently re-added to the CVS repo in the rev
604 1.16 commit by tromey)
606 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
608 * cpplex.c (_cpp_lex_token): Don't warn about directives in
609 macro arguments when looking for the '('.
610 * cppmacro.c (funlike_invocation_p): Set parsing_args to
611 2 when really parsing arguments; 1 when looking for '('.
612 Always restore the lexer position.
614 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
616 * longlong.h (umul_ppmm): Don't use a multiline string.
618 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
620 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
621 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
622 t_bool in declaration because pcc can't combine volatile with typedef
625 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
627 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
628 until when it is really needed.
629 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
630 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
631 * i386.md (float?i?f splitter): Don't force source operand to memory
633 (sse_movdfcc): Fix constraint.
634 (sse_movdfcc splitter): Handle properly the second alternative.
636 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
638 * cpplex.c (parse_string): Unconditionally pedwarn.
640 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
643 * cppexp.c (parse_number): Update.
644 * cpplex.c (parse_string): Pedwarn if multiline string does not
645 result from a system header's macro.
646 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
647 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
648 for function-like macros too.
649 * c-lex.c (lex_number): Update.
651 2001-03-03 Richard Henderson <rth@redhat.com>
653 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
655 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
657 * combine.c (try_combine): If split with mode-changed scratch
658 register didn't work, try the original mode.
660 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
662 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
663 * config/c4x/c4x.h: Likewise.
664 * stor-layout.c (compute_record_mode): Likewise.
665 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
667 2001-03-02 Zack Weinberg <zackw@stanford.edu>
669 * configure.in: Kill tm.h. Include the files in the $tm_file
670 list in all three of config.h, hconfig.h, tconfig.h, after the
671 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
672 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
673 * configure: Regenerate.
674 * Makefile.in (clean): Don't delete tm.h.
676 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
677 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
678 those are not defined, set SEC and FEC to 0 and 1.
679 * gcc.texi: Update to match.
681 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
682 * config/fp-bit.c, config/m68k/aux-crt2.asm,
683 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
684 Include tconfig.h, not tm.h.
686 * config/xm-lynx.h, config/xm-std32.h,
687 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
688 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
689 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
690 config/clipper/xm-clix.h, config/convex/xm-convex.h,
691 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
692 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
693 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
694 config/i386/xm-i386.h, config/i860/xm-i860.h,
695 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
696 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
697 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
698 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
699 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
700 config/pa/xm-linux.h, config/pa/xm-pa.h,
701 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
702 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
703 config/pj/xm-pj.h, config/romp/xm-romp.h,
704 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
705 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
706 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
707 config/v850/xm-v850.h, config/vax/xm-vax.h,
708 config/we32k/xm-we32k.h:
710 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
712 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
713 config/i370/xm-oe.h: Don't include tm.h. Don't define
715 * config/vax/xm-vms.h: Don't include tm.h.
717 * config/xm-lynx.h, config/avr/xm-avr.h,
718 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
719 Delete; made empty by above changes.
720 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
721 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
722 Don't include config/xm-lynx.h or tm.h.
724 * config/xm-gnu.h: Don't include fcntl.h.
725 * config/sparc/xm-lynx.h: Don't include sys/types.h and
727 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
729 2001-03-02 Richard Henderson <rth@redhat.com>
731 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
732 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
734 2001-03-02 Richard Henderson <rth@redhat.com>
736 * Makefile.in (OBJS): Add dwarf2asm.o.
737 * dwarf2asm.c, dwarf2asm.h: New files.
738 * dwarf2out.c (*): Use them.
739 (size_of_uleb128, size_of_sleb128): Remove.
740 (output_uleb128, output_sleb128): Remove.
741 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
742 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
743 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
744 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
745 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
746 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
747 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
748 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
749 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
750 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
751 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
752 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
753 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
754 (dwarf2out_frame_debug): Remove unused variables.
755 (output_loc_operands): Don't abort on 8 byte constants if
756 host integers are wide enough.
757 (output_symbolic_ref): Remove.
758 (size_of_die): Don't assume 4 byte host integers.
759 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
761 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
762 something stupid with HOST_WIDE_INT to long truncation.
763 [CONST_DOUBLE]: Likewise.
765 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
766 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
767 * config/arm/unknown-elf.h: Likewise.
768 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
769 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
770 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
771 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
772 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
773 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
774 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
775 (ASM_OUTPUT_DWARF_OFFSET): Remove.
776 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
777 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
778 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
779 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
781 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
783 * cselib.c (hash_rtx): Cast enums to unsigned int.
785 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
787 * print-rtl.c (print_rtx): Cast enums to int for comparison.
788 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
790 * c-format.c (C_STD_VER): Cast to int for comparisons.
791 (check_function_format): Cast various enums to int for &.
792 (maybe_read_dollar_number): Likewise.
793 (check_format_info): Likewise.
794 (check_format_info_main): Likewise.
795 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
796 (safe_from_p): Likewise.
797 * varasm.c (const_hash): Cast enum to int for %.
798 * emit-rtl.c (init_emit_once): Use int loop variable to work around
799 pcc enum problems with < and ++ operators.
800 * regclass.c (init_reg_sets_1): Cast enums for comparison.
801 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
802 (regclass_init): Change enum class to int to iterate over reg_classes.
803 * genrecog.c (merge_trees): Cast enums for comparison.
804 * rtl.h (GET_CODE): Cast to enum rtx_code.
805 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
806 (GET_MODE): Cast to enum machine_mode.
807 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
808 (GET_NOTE_INSN_NAME): Cast enum to int.
809 * tree.h (TREE_CODE): Cast to enum tree_code.
810 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
811 * timevar.c (timevar_print): Change loop variable id from enum to
813 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
814 * config/i386/i386.md: Use PUT_MODE for mode assignment.
815 * toplev.c (compile_file): Cast enum DFI to int.
816 (decode_d_option): Likewise.
818 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
820 * cppinit.c (append_include_chain): Mark "after" include file name list
821 as a system directory.
822 * cpp.texi: Document new behavior.
824 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
826 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
828 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
830 * cppfiles.c (struct include_file): Update.
831 (stack_include_file): Use search_from.
832 (cpp_included, find_include_file): Update.
833 (cpp_execute_include): Update. ptr->name may not be
834 null terminated. Use the new search_from member variable
836 (_cpp_compare_file_date): Similarly.
837 (search_from): New function, similiar to actual_directory.
838 (actual_directory): Delete.
839 (remap_filename): Update. loc->name may not be null terminated.
840 (struct file_name_list): Rename search_path. Update.
841 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
843 (struct cpp_reader): Remove actual_dirs.
844 * cppinit.c (struct cpp_pending): Update for renamed objects.
845 (append_include_chain, remove_dup_dir, remove_dup_dirs,
846 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
847 * cpplib.h (struct cpp_options): Similarly.
849 2001-03-01 Zack Weinberg <zackw@stanford.edu>
851 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
852 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
853 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
854 config/clipper/xm-clix.h, config/convex/xm-convex.h,
855 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
856 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
857 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
858 config/i370/xm-linux.h, config/i370/xm-mvs.h,
859 config/i370/xm-oe.h, config/i386/xm-aix.h,
860 config/i386/xm-i386.h, config/i386/xm-osf.h,
861 config/i860/xm-i860.h, config/i960/xm-i960.h,
862 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
863 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
864 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
865 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
866 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
867 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
868 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
869 config/pj/xm-pj.h, config/romp/xm-romp.h,
870 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
871 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
872 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
873 config/v850/xm-v850.h, config/vax/xm-vax.h,
874 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
875 Do not define TRUE or FALSE.
877 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
878 empty by above change.
879 * config.gcc: Remove references to these files.
881 * configure.in: Detect stdbool.h.
882 * configure, config.in: Regenerate.
883 * system.h: Include stddef.h here if available.
884 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
885 Then set up a sensible boolean type at the very end.
887 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
888 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
890 * hash.h: Delete 'boolean' typedef and related #undefs.
892 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
893 all uses of 'boolean' with 'bool'.
895 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
897 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
898 * cppexp.c (lex): Cast enums for comparison.
899 * cppinit.c (parse_option): Cast enum for comparison.
900 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
901 (cpp_output_token): Likewise.
902 (cpp_can_paste): Cast enums for comparsion and plus/minus.
903 (cpp_avoid_paste): Cast enums for minus and comparison.
905 2001-03-01 Zack Weinberg <zackw@stanford.edu>
907 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
908 field to all array elements.
910 2001-03-01 Zack Weinberg <zackw@stanford.edu>
912 * cpphash.h (struct cpp_reader): Add print_version field.
913 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
914 just set print_version and other flags as appropriate.
915 (cpp_post_options): Print version here if print_version is set.
917 * toplev.c (exit_after_options): New flag.
918 (independent_decode_option): Don't exit here; just set
920 (main): Exit after calling lang_hooks.post_options if
921 exit_after_options is true.
923 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
924 (merge_include_chains): Adjust comment to match code.
926 2001-03-01 Zack Weinberg <zackw@stanford.edu>
928 * stringpool.c (set_identifier): New function.
929 * tree.h: Prototype it.
931 * c-parse.in: Kill D_YES. If compiled for objc, call
932 save_and_forget_protocol_qualifiers from init_reswords.
933 * objc/objc-act.c (remember_protocol_qualifiers,
934 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
935 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
937 (save_and_forget_protocol_qualifiers): New function.
938 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
940 2001-03-01 Diego Novillo <dnovillo@redhat.com>
942 * c-semantics.c (prune_unused_decls): Return error_mark_node
943 instead of (tree) 1 to stop traversing the tree chain.
945 2001-03-01 Bernd Schmidt <bernds@redhat.com>
947 Fix a problem introduced by Kenner's Feb 18 change.
948 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
949 flag_cse_skip_blocks only temporarily, not for ever.
951 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
953 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
954 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
956 * pa.c (emit_move_sequence): Verify operand0 is a hard register
957 before determining its register class.
959 2001-03-01 Bernd Schmidt <bernds@redhat.com>
961 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
962 from reg 4 if current_function_calls_setjmp.
963 (gen_nop_type): New function.
964 (ia64_emit_nops): New function.
965 (ia64_reorg): Call it.
966 (ia64_sched_reorder): Move code that rotates bundles up a bit.
968 * reload1.c (eliminate_regs_in_insn): Restrict the special case
969 code not to try to optimize adds with anything but a REG destination.
971 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
972 (INSN_PRIORITY_KNOWN): New accessor macro.
973 * haifa-sched.c (priority): Use it instead of testing priority against
976 2001-02-28 DJ Delorie <dj@redhat.com>
978 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
979 since that doesn't work the way gcc wants on a generic m68k.
981 2001-02-28 Richard Henderson <rth@redhat.com>
983 * caller-save.c (save_call_clobbered_regs): Fix typo in
984 comparison last change.
986 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
988 * i386.c (pentium4_cost): New.
989 (m_PENT4): New macro.
990 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
991 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
992 x86_integer_DFmode_moves, x86_partial_reg_dependency,
993 x86_memory_mismatch_stall): Add Pentium4
994 (x86_use_q_reg, x86_use_any_reg): Kill.
995 (override_options): Add pentium4.
996 (incdec_operand): Return 0 for pentium4.
997 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
998 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
999 (TARGET_PENTIUM4): Define.
1000 (enum processor_type): Add PROCESSOR_PENTIUM4.
1001 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1002 * i386.md (attribute "cpu"): Add pentium4.
1003 * invoke.texi (march): Add pentium4.
1005 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1007 * i386.md (sse_mov?fcc*): New patterns and splitters.
1008 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1009 the SSE based conditional moves.
1011 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1013 * i386.md (attribute mode): Add "TI".
1014 (movsf_1): Add pxor support; remove constant propagation splitter.
1015 (movdf_integer): Likewise.
1016 (movdf_nointeger): Likewise.
1017 (movxf constant prop splitter): Handle all modes; update for SSE.
1018 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1019 * i386.c (standard_80387_constant_p): Rewrite.
1020 (standard_sse_constant_p): New.
1021 * i386-protos.h (standard_sse_constant_p): New.
1023 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1025 * i386.md (sse_setccsf, sse_setccdf): New.
1026 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1028 * i386.c (sse_comparison_operator): Accept the supported unordered
1029 comparses; be ready for fast_math.
1030 (print_operand): Support 'D'.
1032 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1034 * jump.c (reversed_comparison_code): Kill.
1036 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1038 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1041 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1043 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1044 add missing '%' in constraints.
1046 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1048 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1049 for HOST_BITS_PER_WIDE_INT == 32 too.
1051 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1053 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1055 (insert_save, insert_restore): New parameter save_mode.
1056 (init_caller_save): Update initialization of reg_save_code
1057 and reg_restore_code.
1058 (save_call_clobbered_regs): Compute save_modes and update calls to
1059 reg_save_code and reg_restore_code.
1060 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1061 of spill; update use of reg_restore_code.
1062 (insert_save): Likewise.
1063 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1064 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1065 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1067 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1069 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1070 noce_try_store_flag_inc, noce_try_store_flag_mask,
1071 noce_try_cmove_arith):
1072 Use reversed_comparison_code instead of reverse_comparison and
1073 can_reverse_comparison_p.
1075 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1077 * jump.c (reversed_comparison_code_parts): Allow reversal of
1078 unordered compares in -ffast-math mode; reverse ordered compares
1079 for FP even w/o -ffast-math.
1081 2001-02-27 Richard Henderson <rth@redhat.com>
1083 * print-rtl.c (print_rtx) [i]: Don't print field five on
1084 NOTEs other than NOTE_INSN_DELETED_LABEL.
1086 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1088 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1089 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1091 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1093 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1094 even if walk_subtrees is 0.
1095 * c-semantics.c (prune_unused_decls): Return a non-null value to
1096 stop traversing the tree chain.
1098 2001-02-27 DJ Delorie <dj@redhat.com>
1100 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1101 register, *then* define it as the new CFA.
1103 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1105 * pa.c (override_options): Promote -fpic to -fPIC.
1106 (legitimize_pic_address): Simplify due to removal of
1107 small PIC as a code generation option.
1108 (secondary_reload_class): Similarly.
1109 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1110 (PRINT_OPERAND_ADDRESS): Similarly.
1111 * pa.md (various patterns): Similarly.
1112 (small pic lo_sum pattern): Remove.
1114 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1117 * md.texi (min, max): Document
1119 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1121 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1122 TARGET_PARTIAL_REG_DEPENDENCY.
1123 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1125 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1127 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1129 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1131 * mips.c (mips_make_temp_file): Fix thinko in last change.
1133 2001-02-26 Jason Eckhardt <jle@redhat.com>
1135 * combine.c (known_cond): Do not reverse the condition when
1136 SMAX/UMAX is being considered and the condition is for equality
1139 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1141 2001-02-26 Philip Blundell <philb@gnu.org>
1143 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1145 * config/arm/linux-elf.h: Remove historical relics related to
1146 above configurations.
1147 * config/arm/linux-oldld.h: Delete.
1148 * config/arm/linux-elf26.h: Delete.
1150 2001-02-26 Jason Merrill <jason@redhat.com>
1152 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1154 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1155 recognize a tentative definition. Lose obsolete code.
1157 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1158 variables unless necessary, either.
1160 2001-02-25 Richard Henderson <rth@redhat.com>
1162 * ifcvt.c (struct noce_if_info): Add test_bb.
1163 (noce_get_alt_condition): New.
1164 (noce_try_minmax, noce_try_abs): New.
1165 (noce_operand_ok): New.
1166 (noce_process_if_block): Use them.
1167 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1169 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1171 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1174 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1176 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1177 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1179 (mips_asm_file_end): Free temp_filename here.
1181 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1183 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1184 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1186 * config/i386/i386.md (movstrsi): Handle FAIL case.
1188 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1190 * cppinit.c (builtin_array): Update.
1191 (init_builtins): Flag builtins to warn if redefined or
1192 undefined. Define __GXX_WEAK as a normal macro.
1193 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1194 * cpplib.h (NODE_WARN): New flag.
1195 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1196 Handle __STDC__ as a builtin only on Solaris.
1197 (warn_of_redefinition): Renamed from check_macro_definition.
1198 Reverse sense of test. Always warn if NODE_WARN.
1199 (_cpp_create_definition): Use warn_of_redefinition. Flag
1200 any macro beginning with "__STDC_" to require a mandatory
1201 warning if redefined or undefined.
1203 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1205 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1206 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1207 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1208 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1209 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1210 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1211 Don't define any of:
1212 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1213 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1214 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1215 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1216 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1218 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1219 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1222 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1223 Delete now-empty file.
1225 * alpha/vms.h: Define NEED_ATEXIT here...
1226 * alpha/xm-vms.h: ...not here.
1228 * i386/cygwin.h: Don't define PARAMS.
1229 * mips/mips.c: Don't prototype mktemp. Don't define
1230 P_tmpdir. Use make_temp_file to create temporary files.
1231 Don't be clever and delete temporary files early.
1232 * config.gcc: Drop references to deleted files. Don't define
1234 * gcc.texi: Don't mention USE_PROTOTYPES.
1236 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1238 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1239 (ix86_set_move_mem_attrs_1): Likewise.
1240 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1241 * config/i386/i386.md (movstrsi): Call it.
1243 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1245 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1246 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1247 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1248 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1250 (i750a-*-*): Error here if hosting on i750a.
1251 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1253 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1254 Remove (empty modulo comments).
1256 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1257 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1258 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1259 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1260 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1261 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1263 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1264 Remove reference to winnt.h in comment.
1265 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1267 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1269 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1270 used to set another biv.
1272 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1274 * tree.h (BLOCK_DEAD): New macro.
1275 (struct tree_block): New flag, dead_flag.
1276 * print-tree.c (print_node, case 'b'): Print missing fields.
1277 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1278 * function.c (identify_blocks): Enable test for misplaced notes.
1279 (all_blocks): Skip BLOCK_DEAD blocks.
1280 * integrate.c (integrate_decl_tree): Likewise.
1282 * errors.c (internal_error, trim_filename): New functions.
1283 (fancy_abort): Call internal_error.
1284 * errors.h (internal_error, trim_filename): New declarations.
1286 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1288 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1290 (EXTRA_CONSTRAINT): Formatting changes.
1292 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1294 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1296 2001-02-23 Per Bothner <per@bothner.com>
1298 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1299 so they can be called from java/jvspec.c.
1300 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1302 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1304 * i386.c (ix86_frame): New structure.
1305 (ix86_compute_frame_size): Kill.
1306 (ix86_compute_frame_layout): New.
1307 (ix86_save_reg): New.
1308 (ix86_can_use_return_insn_p): Use frame layout stuff.
1309 (ix86_expand_prologue): Likewise.
1310 (ix86_expand_epilogue): Likewise.
1311 (ix86_initial_elimination_offset): Likewise.
1312 (ix86_nsaved_regs): Use ix86_save_reg.
1313 (ix86_emit_save_regs): Likewise.
1315 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1317 * flow.c (find_sub_basic_blocks): New function.
1318 (split_block): Be ready for basic block introduced by CODE_LABEL.
1319 (commit_one_edge_insertion): Call find_sub_basic_block.
1321 * flow.c (make_edges): Add edge from entry for blocks starting with
1322 label having ALTERNATE_NAME
1324 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1326 * function.c (epilogue_done): Be ready for first basic block not
1327 containing PROLOGUE_END note.
1328 (reposition_prologue_and_epilogue_notes): Avoid placing
1329 PROLOGUE_END note between BASIC_BLOCK.
1331 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1333 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1335 2001-02-21 DJ Delorie <dj@redhat.com>
1337 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1338 check for current_function_has_nonlocal_goto from 1999-11-12.
1340 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1342 * diagnostic.c (trim_filename): No longer static.
1343 * toplev.h (trim_filename): Declare.
1344 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1345 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1346 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1347 (rtvec_check_failed_bounds): Likewise.
1348 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1350 * convert.c (convert_to_integer): Don't do unsigned unless result or
1351 both inputs are unsigned.
1353 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1356 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1358 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1360 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1362 * Makefile.in (resource.o): Add params.h dependence.
1363 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1364 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1365 * resource.c: Add dependence on params.h.
1366 (current_live_regs): Fix explanatory comment.
1367 (find_basic_block): Add new parameter to permit limiting search
1369 (mark_target_live_regs): Add new argument to find_basic_block call.
1370 (incr_ticks_for_insn): Likewise.
1372 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1374 * diagnostic.c (output_to_stream): Rename to
1375 output_buffer_to_stream. Loses the stream parameter.
1376 (init_output_buffer): Set diagnosic_buffer's stream.
1377 (flush_diagnostic_buffer): Adjust.
1378 (default_print_error_function): Likewise.
1379 (finish_diagnostic): Likewise.
1380 (verbatim): Likewise.
1382 * diagnostic.h (struct output_buffer): Add `stream' field.
1383 (output_buffer_attached_stream): New macro.
1385 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1387 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1388 check if either operand is divisible by C.
1389 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1390 If type is signed, consider negative numbers as well.
1392 2001-02-22 Richard Henderson <rth@redhat.com>
1394 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1395 reach .text instead of gp-relative relocs.
1396 * config/ia64/crtend.asm (.init): Likewise.
1398 2001-02-22 Andreas Jaeger <aj@suse.de>
1400 * extend.texi (C++ Attributes): Fix typo.
1402 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1404 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1405 functions, drop current_function_args_info.words test.
1406 (ia64_compute_frame_size): Mark syscall_linkage functions as
1407 using eight input registers.
1409 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1410 Bruce Korb <bkorb@gnu.org>
1412 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1413 * fixinc/README: Document how to convert sed substitutions
1414 to format style c_fix-es.
1415 * fixinc/fixincl.x: regen
1417 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1419 * gcc.c: Add comment explaining how to add a command-line option.
1420 Add title to specs language comment.
1422 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1424 * gcc.c (cc1_options): Add "-param".
1425 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1426 (option_map): Likewise.
1427 * toplev.c (display_help): Add entry for "--param".
1428 (independent_decode_option): Fix typographical error.
1430 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1431 Bernd Schmidt <bernds@redhat.com>
1432 Jan Hubicka <jh@suse.cz>
1434 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1435 (function_arg): Likewise.
1437 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1439 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1441 2001-02-21 Kazu Hirata <kazu@hxi.com>
1443 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1447 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1449 * flow.c (init_propagate_block_info): Canon address and use single_set
1450 for killing dead memory stores.
1452 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1454 * Makefile.in (reorg.o): Add params.h dependence.
1455 * params.def: Fix typographical error in comment.
1456 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1457 * params.h: Modify introductory comment.
1458 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1459 * reorg.c: Add dependence on params.h.
1460 (redundant_insn): Add parameterized throttle for search.
1461 (fill_simple_delay_slots): Add a comment explaining a variable.
1462 Move conditional out of loop, simplifying code.
1463 (fill_eager_delay_slots): Fix typographical error in comment.
1465 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1467 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1469 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1470 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1472 2001-02-21 Jason Merrill <jason@redhat.com>
1474 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1475 (struct tree_decl): Add uninlinable bitfield.
1476 * c-decl.c (duplicate_decls): Set it.
1477 * integrate.c (function_cannot_inline_p): Check it.
1479 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1480 DW_AT_MIPS_linkage_name to abstract methods.
1481 (dwarf2out_abstract_function): Emit class context before calling
1482 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1483 (gen_subprogram_die): Remove obsolete code.
1484 (gen_member_die): Don't include clones in the member list.
1485 (gen_decl_die): Emit abstract info for clone origin.
1486 * dwarfout.c (output_type): Don't include clones in the member list.
1487 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1488 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1489 DECL_ABSTRACT on a function that already has it set.
1491 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1492 (get_subprogram_die): Pass it in.
1494 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1496 * flow.c (mark_set_1): Make not_dead unsigned long. For
1497 non-pseudos, use it as a bitmask of the hard regs that
1500 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1502 * cppfiles.c: Update comments.
1503 (_cpp_read_file): Don't check for NULL filenames any more.
1504 * cppinit.c (cpp_start_read): Don't do canonicalization of
1505 in_fname and out_fname. Use the passed file name exclusively.
1506 (_cpp_handle_options): Don't treat "-" as a command line option,
1507 but as a normal filename.
1508 (_cpp_post_options): Canonicalize in_fname and out_fname.
1509 * cppmain.c (printer_init): Don't check out_fname for NULL.
1510 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1511 (init_c_lex): Update, and use "" to represent stdin to CPP.
1514 2001-02-20 Will Cohen <wcohen@redhat.com>
1516 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1517 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1518 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1521 2001-02-20 Stan Shebs <shebs@apple.com>
1523 * config/rs6000/rs6000.c (output_cbranch): Output branches
1524 on separate lines instead of using ';' to separate.
1526 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1528 * cppinit.c (set_lang): Move builtin handling to...
1529 (init_builtins): ...here.
1530 (_cpp_create_reader): Move call to set_lang.
1532 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1534 * stmt.c (expand_return): If an attempt is made to return the
1535 error_mar_node, treat the return like a return without a value.
1537 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1539 * sibcall.c (skip_copy_to_return_value): Call
1540 identify_call_return_value here, and return orig_insn if it
1541 returns zero. Hardret and softret arguments now unnecessary.
1542 (call_ends_block_p): Don't call identify_call_return_value here.
1544 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1546 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1547 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1549 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1551 * pa.c (move_operand): Accept code to load the address of a
1552 symbol out of the DLT as a valid move operand.
1553 (print_operand, case 'A'): New to handle generating a DLT
1554 reference for a LO_SUM expression.
1555 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1556 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1558 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1560 * README, cpp.texi, gcc.texi, version.c: Update version number to
1562 * cpp.1, gcov.1, gcc.1: Regenerate.
1564 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1566 * cppfiles.c (stack_include_file): Generate dependencies
1567 here, and manage include_count here too.
1568 (PRINT_THIS_DEP): Delete.
1569 (_cpp_execute_include): Do not generate dependencies here,
1570 apart from the case of a missing header. Do not manage
1572 (_cpp_read_file): Leave dependency generation to
1575 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1577 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1578 target_cpu_default. Remove dead assignment to
1581 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1583 * regclass.c (contains_reg_of_mode): Make global.
1584 (init_reg_sets): Remove contains_reg_of_mode; take into account
1585 CLASS_MAX_NREGS when looking for the proper mode.
1586 (dump_regclass): Dump only classes considered for the pseudo.
1587 (regclass): Use contains_reg_of_mode.
1589 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1591 * gcc.c (do_spec_1): 'n' for printing notices.
1592 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1594 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1596 * reg-stack.c (next_flags_user): Use current_block->end
1597 (swap_rtx_condition): Look for next user if flags don't die;
1598 give up on CALL_INSNs; use current_block->end.
1600 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1602 * sibcall.c (call_ends_block_p): New function.
1603 (optimize_sibling_and_tail_recursive_call): Use it.
1605 2001-02-18 Kazu Hirata <kazu@hxi.com>
1607 * config/h8300/h8300.md: Update copyright.
1608 (andsi3): Do not output an extra newline character.
1610 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1612 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1613 FNDECL may be unused.
1615 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1616 follow jumps after first run.
1617 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1618 it doesn't change any jumps.
1620 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1622 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1623 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1624 (mostlyclean): Corresponding changes.
1625 * rtlanal.c (hard-reg-set.h): Include.
1626 (rtx_unstable_p): Do not treat the argument pointer specially
1627 if it is not a fixed register.
1628 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1630 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1632 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1633 against last real insn in basic block.
1634 Rework to avoid gotos.
1636 * Makefile.in (gcse.o): Now includes ggc.h.
1637 * gcse.c: Include ggc.h.
1638 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1639 (try_replace_reg): Remove warning of uninitialize variable.
1640 (process_insert_insn): Call invalid_insn_p to validate insn.
1641 * recog.c (insn_invalid_p): Now global.
1642 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1643 * recog.h (insn_invalid_p): New declaration.
1645 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1647 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1648 assignments from FP constants since 'Y' output code can't handle it.
1649 (eligible_for_sibcall_delay): Likewise.
1651 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1652 Call fancy_abort directly, passing args.
1653 (print_rtl_and_abort): Now a macro, like fancy_abort.
1655 * final.c (output_operand_lossage): Use internal_error, not error.
1657 2001-02-18 Shane Nay <shane@agendacomputing.com>
1659 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1660 structure shift insns.
1662 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1664 * invoke.texi (-fsquangle): Remove documentation.
1665 (-fname-mangling-version): Likewise.
1667 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1669 * optabs.c (expand_abs): Remove reference to
1670 HAVE_contitional_arithmetic.
1671 * combine.c (simplify_set): Likewise.
1673 2001-02-18 Richard Henderson <rth@redhat.com>
1675 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1678 2001-02-18 Richard Henderson <rth@redhat.com>
1680 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1682 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1684 * reload1.c (reload_cse_simplify_set): Fix typo.
1686 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1688 * diagnostic.c (_fatal_insn): Decrement errorcount.
1690 * invoke.texi (-I): Add note avoiding use for system header files.
1692 * rtl.h (add_clobbers): Remove duplicate declaration.
1693 * recog.h (added_clobbers_hard_reg_p): New declaration.
1694 * genemit.c (struct clobber_pat): New field has_hard_reg.
1695 (gen_insn): Record if added clobbers clobber hard reg.
1696 (gen_split): Avoid unused warning if number of operands is 0.
1697 (output_added_clobbers_hard_reg_p): New function.
1700 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1702 * pa.c (hppa_expand_prologue): Simplify code storing return
1703 pointer. For large (>=8k) frames with a post_store, adjust stack
1704 pointer by 8k-64 first rather than by 64. When testing with
1705 VAL_14_BITS_P, always use the actual value rather than the value
1706 negated. Add blockage to prevent scheduling of spills before
1707 stack frame has been created.
1708 (hppa_expand_epilogue): Simplify code loading return pointer.
1709 Allow a slightly larger range for merge_sp_adjust_with_load case.
1710 When testing with VAL_14_BITS_P, always use the actual value.
1712 * pa.c (pa_adjust_insn_length): Check that block move
1713 pattern is a set before looking at operands.
1715 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1717 * fold-const.c (fold_binary_op_with_conditional_arg): New
1718 function, split out from ...
1720 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1721 conditional arms that throw exceptions.
1723 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1726 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1728 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1729 define HAVE_DECL_* to 1 to mask potential backup declarations.
1730 * configure: Regenerated.
1732 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1734 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1736 2001-02-17 Richard Henderson <rth@redhat.com>
1738 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1739 when replacing a memory load with a register.
1741 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1742 Jan Hubicka <jh@suse.cz>
1744 * recog.c (validate_replace_src_1): New.
1745 (validate_replace_src_data): Likewise.
1746 (validate_replace_src): Use note_uses.
1747 * rtl.h (note_uses): Declare.
1748 * rtlanal.c (note_uses): New.
1750 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * reg-stack.c (stack_def): Make field reg unsigned.
1753 (remove_regno_note): Unsignetize parameter.
1755 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1757 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1758 shladd_operand() call.
1760 2001-02-16 Bruce Korb <bkorb@gnu.org>
1761 Rodney Brown <RodneyBrown@mynd.com>
1763 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1764 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1765 machine restrictions
1766 * fixinc/fixincl.x: regen
1768 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1770 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1772 (hash_scan_insn): Clean up calls to hash_scan_set.
1773 (compute_kill_rd): REGNO now unsigned.
1774 (try_replace_reg): Rework to use simplify_replace_rtx.
1775 (cprop_jump, cprop_cc0_jump): Likewise.
1776 (cprop_insn): Call find_reg_equal_equiv_note.
1777 Reflect changes to cprop_jump and cprop_cc0_jump.
1779 * recog.c (validate_replace_src): Replace in operands of
1780 ZERO_EXTRACT in SET_DEST.
1782 * cse.c (new_label_ref): New variable.
1783 (insert): Set it instead of recorded_label_ref.
1784 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1785 CODE_LABEL for this function, and not already in REG_LABEL note.
1787 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1789 * resource.c (mark_referenced_resources): Fix typo in introductory
1791 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1794 2001-02-16 Jason Merrill <jason@redhat.com>
1796 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1798 (gen_subprogram_die): Don't abort on seeing a second definition if
1799 the previous one was abstract. Don't replace an abstract instance
1800 in the lookup table.
1802 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1803 gen_abstract_function.
1804 * dwarf2out.h: Declare it.
1805 * toplev.c (note_outlining_of_inline_function): New fn.
1806 * toplev.h: Declare it.
1807 * integrate.c (output_inline_function): Call it.
1808 * c-decl.c (duplicate_decls): Call it when redefining an extern
1809 inline. Don't inline the new defn.
1811 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1813 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1815 * .gdbinit: Rename to gdbinit.in.
1816 * gdbinit.in: New file,
1817 * configure.in: Generate .gdbinit from gdbinit.in.
1818 * configure: Regenerated.
1819 * Makefile.in (distclean): Always remove .gdbinit.
1821 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1823 * objc/objc-act.c (start_class): Register implemented_classes with
1826 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1828 * cppfiles.c (_cpp_make_system_header): Generate a file
1831 2001-02-15 Jim Meyering <meyering@lucent.com>
1833 * Makefile.in (install-common): Don't depend on installdirs here.
1834 Instead, make each of the lang.install-common targets (e.g.,
1835 c++.install-common in cp/Make-lang.in) depend on it.
1836 (install-driver): Depend on installdirs.
1838 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1840 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1842 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1845 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1847 * invoke.texi (--param): Document.
1849 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1851 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1853 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1855 * i386.md (extendsfdf2_2): Fix constraints.
1857 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1859 * i386.md (fop_df_3 splitter): Fix operand number.
1861 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1863 * invoke.texi (-mreg-alloc): Nuke.
1864 * i386.c (ix86_reg_alloc_order, regs_allocated,
1865 order_regs_for_local_alloc): Nuke.
1866 (override_options): Kill reg_alloc code.
1867 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1868 (REG_ALLOC_ORDER): SSE goes before I387.
1869 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1870 (ix86_reg_alloc_order): Likewise.
1871 * i386-protos.h (ix86_reg_alloc_order): Kill.
1873 2001-02-14 Richard Henderson <rth@redhat.com>
1875 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1877 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1879 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1881 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1883 * i386-protos.h (ix86_memory_move_cost): Move offline.
1884 * i386.c (ix86_register_move_cost): Compute properly cost of
1885 SSE, MMX and i387 instructions.
1886 (*_cost): Add costs of SSE/MMX moves.
1887 (ix86_memory_move_cost): Move offline from ....; Likewise.
1888 * i386.h (MEMORY_MOVE_COST): .... here;
1889 (struct processor costs): Add new fields to represent costs
1892 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1894 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1895 move_cost together with Matt Kraai's fix.
1897 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1899 * Makefile.in (OBJS): Add params.o.
1901 2001-02-14 Richard Henderson <rth@redhat.com>
1902 DJ Delorie <dj@redhat.com>
1904 * jump.c (jump_optimize_1): When we delete a conditional jump
1905 preceeding a non-conditional jump to effectively the same place,
1906 make sure that the combined jump skips any clobber insns between
1909 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1911 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1913 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1915 * Makefile.in (toplev.o): Depend on params.h.
1916 (intergate.o): Likewise.
1917 (params.o): New target.
1918 * flags.h (inline_max_insns): Remove.
1919 * integrate.c: Include params.h.
1920 Use MAX_INLINE_INSNS instead of inline_max_insns.
1921 * params.c: New file.
1922 * params.h: Likewise.
1923 * params.def: Likewise.
1924 * toplev.c: Include params.h.
1925 (lang_independent_params): New variable.
1926 (decode_f_option): Use the param machinery instead of setting
1928 (independent_decode_option): Handle "--param name=value".
1929 (main): Register language-independent parameters.
1931 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1933 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1935 2001-02-14 Richard Henderson <rth@redhat.com>
1937 * regclass.c (init_reg_sets_1): Revert last two changes.
1939 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1941 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1942 (variable_size): Call put_pending_size.
1943 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1944 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1945 sizes list, put newly created SAVE_EXPR there as well.
1947 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1949 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1950 (errata_find_address_regs): load_group has only 2 entries.
1951 (errata_emit_nops): Likewise. shladd is not problematic.
1952 Clear last_group if nop was emitted.
1953 (fixup_errata): load_group has only 2 entries.
1956 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1958 * c-lex.c (lex_number): Only warn traditionally for U suffix
1959 outside system macros.
1960 * cppexp.c (parse_number): Similarly.
1961 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1962 * cppmacro.c (struct cpp_macro): New member node.
1963 (parse_args): Only warn about missing rest args if not
1965 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1966 (cpp_sys_objmacro_p): New.
1967 (_cpp_create_definition): Store the node with the macro defn.
1968 Remember if the macro is defined in a system header.
1970 2001-02-13 DJ Delorie <dj@redhat.com>
1972 * configure.in (check_languages): determine languages to check
1973 * Makefile.in (check-c++): alias for check-g++
1974 (check-f77): alias for check-g77
1975 (CHECK_TARGETS): depend on configured languages
1977 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1979 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1980 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1981 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1982 (sqrtextendsfdf2): Disable for SSE2.
1984 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1986 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1987 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1988 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1989 (sqrtextendsfdf2): Disable for SSE2.
1991 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1993 * i386.md (movsfcc_1): Support integer cmove instruction.
1994 (movdfcc_1): Likewise; new splitter.
1996 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1998 * i386.c (output_fp_compare): Support SSE.
1999 (prepare_fp_compare_args): SSE comparisons always support memory.
2000 * i386.h (TARGET_CMOVE): SSE imply cmove.
2001 * i386.md (cmp?f2): Enable for SSE too.
2002 (cmpfp_i*): Support SSE.
2004 (cmpfp_i_sse_only): New.
2005 (s*, b* fp expanters): Enable for SSE too.
2006 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2009 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2011 * regclass.c (init_reg_sets_1): Silence warning.
2013 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2015 * i386.md (sqrt?f2): Change to expander.
2016 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2018 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2020 * rtlanal.c (find_reg_equal_equiv_note): New function.
2021 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2022 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2023 * rtl.h: Add declarations for above functions.
2025 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2027 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2029 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2030 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2031 * flow.c (mark_regs_live_at_end): Likewise.
2032 (calculate_global_regs_live): Likewise.
2033 * gcse.c (compute_hash_table): Likewise.
2034 (compute_kill_rd): Likewise.
2035 * resource.c (mark_target_live_regs): Likewise.
2036 * rtl.h (INVALID_REGNUM): New macro.
2038 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2040 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2042 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2044 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2047 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2049 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2051 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2052 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2053 (fop_sf_1_sse, fop_df_1_sse): New patterns
2054 (fop_*): Disable float_extend and float patterns for SSE compilation.
2055 * i386.c (output_387_binary_op): Support SSE.
2057 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2059 * i386.md (dummy_extendsfdf2): Support SSE2
2060 (extendsfdf2): Enable if 80387 or SSE2.
2061 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2062 and no MIX_I387_SSE2
2063 (extendsfdf2_1_sse_only): New pattern.
2064 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2066 (truncdfsf2_1): Support SSE.
2067 (truncdfsf2_2): Support SSE.
2068 (truncdfsf2_2_1_sse): New pattern.
2069 (fixtruncsfsi2): Always use SSE if available.
2070 (fix_truncsfsi_sse): New pattern.
2071 (fix_truncdfsi_sse): New pattern.
2072 (floatsis?f2): Support SSE.
2073 (floatsidf2_i387): New pattern.
2074 (floatsidf2_sse): Likewise.
2076 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2078 * configure.in: Use "have_gnat" variable, not "gnat".
2079 * configure: Regenerated.
2081 * config/sparc/sparc.c (function_value): Treat all non-record
2082 aggregate types like used to treat UNION_TYPE.
2084 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2086 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2087 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2089 (MASK_MIX_SSE_I387): New.
2090 (TARGET_SSE): SSE2 imply SSE.
2091 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2092 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2093 (enum reg_class): Add new classes.
2094 (REG_CLASS_NAMES): Likewise.
2095 (REG_CLASS_CONTENTS): Likewise.
2096 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2097 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2098 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2099 (CLASS_MAX_NREGS): Use new macros.
2100 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2101 * i386.md (pushsf, movsf): Support SSE.
2102 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2103 splitters to use ANY_FP_REGNO_P.
2104 (movdf_nointeger, movdf_integer): Likewise.
2106 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2108 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2109 (try_combine): Use it.
2111 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2113 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2114 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2115 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2116 (REGISTER_MOVE_COST): Likewise.
2117 * i386-protos.h (ix86_secondary_memory_needed,
2118 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2119 * i386.c (ix86_secondary_memory_needed,
2120 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2122 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2124 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2125 (HARD_REGNO_MODE_OK): Move offline to ....
2126 * i386.c (ix86_hard_regno_mode_ok) ... here;
2127 refuse all incorrect modes.
2128 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2130 2001-02-13 Richard Henderson <rth@redhat.com>
2132 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2133 entire operator; replicate that and match_dup the operands.
2134 (cmp_ccx_arith_op_set): Likewise.
2135 (cmp_cc_arith_op_not_set): Likewise.
2136 (cmp_ccx_arith_op_not_set): Likewise.
2138 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2140 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2142 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2144 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2145 (TARGET_NO_BITFIELD_WORD): New macro.
2146 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2147 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2149 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2151 * cselib.c: New file, from simplify-rtx.c.
2152 * simplify-rtx.c: Remove cselib parts.
2153 * Makefile.in: Add cselib.o.
2155 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2157 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2158 (setup_incoming_varargs): Remove warning.
2160 * config/rs6000/rs6000.c (validate_condition_mode): When
2161 flag_fast_math, allow floating-point conditionals to be reversed.
2162 (rs6000_generate_compare): When flag_fast_math, don't generate
2163 cror operations for FP conditionals.
2165 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2167 (ASM_SPEC): Likewise.
2168 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2169 (CC1_SPEC): Likewise.
2170 (LINK_TARGET_SPEC): Likewise.
2171 (CPP_ENDIAN_SPEC): Likewise.
2172 * Makefile.in (check-consistency): New target.
2174 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2176 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2177 "return type defaults" warning for functions with return type
2179 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2180 function declarations by default rather than only when pedantic.
2182 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2184 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2187 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2189 * extend.texi (Deprecated): Deprecate new initializer lists.
2191 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2193 * mkdeps.c (deps_add_default_target): Robustify. Add
2194 basename component only.
2195 * cpp.texi (-M): Describe how default target is generated.
2196 * invoke.texi (-M): Likewise.
2198 2001-02-12 Kazu Hirata <kazu@hxi.com>
2200 * toplev.c (push_float_handler): Remove.
2201 (pop_float_handler): Remove.
2202 * toplev.h: Remove prototypes for the above functions.
2204 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2206 * c-common.c (constant_fits_type_p): New function.
2207 (convert_and_check): Use it.
2209 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2211 * Makefile.in (GXX_ABI_FLAG): Don't define.
2212 * configure.in (--enable-new-gxx-abi): Remove option.
2213 * config.in: Regenerated.
2214 * configure: Likewise.
2216 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2218 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2220 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2221 regular basic block, and arrange for all edges into it to switch
2224 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2226 * Makefile.in (distclean): Do not remove .gdbinit.
2228 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2230 * Makefile.in (gcc.o): Fix typos.
2231 (protize.o): Likewise.
2232 (unprotoize.o): Likewise.
2234 2001-02-11 Richard Henderson <rth@redhat.com>
2236 * tree.c (build1): Check for null operand in last change.
2238 2001-02-11 Richard Henderson <rth@redhat.com>
2240 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2241 (fold): Don't assume a constant isn't foldable.
2242 * tree.c (build): Set TREE_CONSTANT for an expression with no
2243 side-effects and constant operands.
2246 2001-02-10 Richard Henderson <rth@redhat.com>
2248 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2250 2001-02-10 Anthony Green <green@redhat.com>
2252 * cpp.texi (Standard Predefined): Add documentation for
2255 * c-common.c (combine_strings): Improve warning message.
2257 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2259 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2261 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2263 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2265 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2268 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2270 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2273 2001-02-09 Nick Clifton <nickc@redhat.com>
2275 * config/arm/arm.md: Change output contraint on post inc
2276 load/store multiple patterns to be a read/write contraint.
2278 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2280 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2281 .o files when using the -M options.
2283 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2284 David Edelsohn <edelsohn@gnu.org>
2286 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2287 handle DImode constants. Use one TOC entry for SImode and smaller
2288 constants, aligned properly.
2290 2001-02-08 Jason Merrill <jason@redhat.com>
2292 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2293 about the SP adjustment for saving the static chain pointer.
2294 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2295 offset when setting a temporary CFA register.
2297 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2299 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2300 powerpc-*-chorusos* .
2301 * config/rs6000/chorus.h : New file.
2302 * config/i386/chorus.h : New file.
2303 * config/sparc/chorus.h : New file.
2304 * config/sparc/t-chorus-elf : New file.
2306 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2308 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2309 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2310 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2311 (__WCHAR_TYPE__): Correct macro name.
2313 2001-02-08 Richard Henderson <rth@redhat.com>
2315 * config/i386/i386.c (ix86_frame_pointer_required): New.
2316 (ix86_setup_frame_addresses): New.
2317 (struct machine_funciton): Add accesses_prev_frame.
2318 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2319 ix86_frame_pointer_required.
2320 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2321 (SETUP_FRAME_ADDRESSES): New.
2322 * config/i386/i386-protos.h: Update.
2323 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2324 from FRAME_POINTER_REQUIRED.
2325 * config/i386/svr3gas.h: Likewise.
2326 * config/i386/sysv3.h: Likewise.
2327 * config/i386/v3gas.h: Likewise.
2329 2001-02-08 Richard Henderson <rth@redhat.com>
2331 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2332 calculation of the number of integer registers required.
2333 (function_arg_record_value): Likewise.
2335 2001-02-08 Jason Merrill <jason@redhat.com>
2337 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2338 two. Print file and line with "confused" message.
2340 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2342 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2344 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2346 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2348 * final.c (cleanup_subreg_operands): The address of a MEM can
2351 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2354 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2356 * gcc.texi (Incompatibilities): Update documentation of
2357 preprocessing numbers.
2359 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2361 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2363 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2365 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2367 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2368 * gcc.c (struct compiler): Add cpp_spec field.
2369 (input_file_compiler): New variable.
2370 (do_spec_1): Allow a particular compiler to handle `%C'
2372 (main): Store the current compiler in input_file_compiler.
2373 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2375 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2377 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2378 * cppinit.c (cpp_create_reader): Initialize them.
2379 (append_include_chain): cxx_aware arg might be unused.
2380 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2381 keywords and give them their phase 7 meaning. Pedwarn about
2382 this unless '__bool_true_false_are_defined' is defined.
2384 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2386 * lcm.c (optimize_mode_switching): Emit mode_set before the
2387 JUMP_INSN of an abnormal edge.
2389 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2391 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2392 a scheduling barrier at the end.
2394 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2396 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2398 * config/sh/sh.md (reload_outsf): Removed.
2399 (movsf_ie): Introduce constraints for FPUL loads and stores.
2400 (reload_insf): Broaden the output constraint.
2402 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2404 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2405 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2407 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2409 * final.c: Revert my previous changes.
2410 * output.h: Make profile_label_no extern.
2411 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2412 for generating label.
2414 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2416 * config/i386/djgpp.h: Add comments about standard paths.
2417 (MD_EXEC_PREFIX): Undefine before defining.
2418 (MD_STARTFILE_PREFIX): New.
2420 2001-01-30 Bruce Korb <bkorb@gnu.org>
2422 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2423 (load_file): do not rely on load_file_data() to close file pointer
2424 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2425 fixinc/inclhack.def(irix_limits_const): add test_text
2427 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2429 * cppexp.c (parse_defined): Improve diagnostics for invalid
2432 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2434 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2436 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2438 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2439 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2440 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2441 (rs6000_output_symbol_ref): New function.
2442 (output_toc): Use VTABLE_NAME_P.
2444 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2446 * print-tree.c (print_node, case PARM_DECL):
2447 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2449 * stor-layout.c (reference_types_internal): New variable.
2450 (internal_reference_types): New function.
2451 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2452 * tree.h (internal_reference_types): New declaration.
2454 * cse.c (find_best_addr): Fix typo in computing cost.
2456 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2458 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2459 and this is the sum of a pointer and a constant, we know the result
2461 (num_sign_bit_copies, case PLUS): Likewise.
2462 * explow.c (convert_memory_address): Remove opposite SUBREG.
2463 * function.c (instantiate_new_reg): New function (from common code).
2464 (instantiate_virtual_regs_1): Call it.
2465 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2466 if pointers sign- or zero-extend.
2467 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2468 If pointers extend unsigned, use inside of SUBREG.
2469 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2471 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2473 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2474 subdir of gcc_gxx_include_dir.
2475 (gcc_gxx_target_include_dir): Remove.
2477 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2479 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2480 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2481 a high-level description.
2483 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2485 * final.c: Move the declaration of profile_label_no to ...
2486 * output.h: ... here.
2487 * function.c (expand_function_start): Call PROFILE_HOOK.
2488 * config/rs6000/aix.h: Define PROFILE_HOOK.
2489 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2490 * config/rs6000/rs6000.c (output_profile_hook): Define.
2491 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2492 output_profile_hook.
2493 tm.texi : Explain new macro PROFILE_HOOK.
2495 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2497 * extend.texi (Extended Asm): Do not say that semicolon is always
2498 a valid line-breaking character for GNU assemblers. Use
2499 newline-tab as the most commonly supported syntax. Use
2500 newline-tab rather than semicolon in multi-insn examples.
2502 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2504 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2506 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2507 David Edelsohn <edelsohn@gnu.org>
2509 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2510 code for AIX, even without flag_pic.
2512 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2514 * c-typeck.c (common_type): push and pop binding level around
2515 calling common_type on function parameters.
2517 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2519 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2521 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2523 * config/mips/mips.c (override_options): Fix typo in last change.
2524 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2525 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2527 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2529 * invoke.texi (-fdump-class-layout): Document.
2530 (-fdump-translation-unit): Use `=' as filename separator.
2532 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2534 * Makefile.in (s-mlib): Don't build multilibs if
2536 (DRIVER_DEFINES): Adjust accordingly.
2538 (protoize.o): Likewise.
2539 (unprotoize.o): Likewise.
2540 * configure.in: Recognize --enable-multilib.
2542 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2544 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2546 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2547 * configure.in: Remove --enable-libstdcxx_v3 support.
2548 * configure: Regenerated.
2550 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2552 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2553 Call abort instead of fatal.
2554 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2555 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2556 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2557 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2558 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2559 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2561 * diagnostic.h (set_internal_error_function): Renamed.
2562 * toplev.h (internal_error): Renamed from fatal.
2563 (pfatal_with_name): Deleted.
2564 (fatal_io_error): Now has printf-style arguments.
2565 * diagnostic.c (pfatal_with_name): Deleted.
2566 (fatal_io_error): Rework to have args in printf-style.
2567 (set_internal_error_function): Renamed from set_fatal_function.
2568 (internal_error): Renamed from fatal.
2569 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2570 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2571 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2572 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2573 * flow.c (verify_flow_info): Likewise.
2574 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2575 * config/mips/mips.c (save_restore_insns): Likewise.
2577 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2578 * flow.c (verify_flow_info): Likewise.
2579 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2580 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2581 (avr_normalize_condition): Likewise.
2582 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2583 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2584 (limit_reload_class, double_reg_to_memory): Likewise.
2585 (print_operand_address, emit_1600_code_shift): Likewise.
2586 (gen_tst_reg, gen_compare_reg): Likewise.
2587 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2588 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2590 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2592 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2593 * objc/objc-act.c (build_ivar_chain): Likewise.
2594 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2596 * graph.c (clean_graph_dump_file): Likewise.
2597 * profile.c (init_branch_prob): Likewise.
2598 * objc/objc-act.c (objc_init): Likewise.
2600 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2601 * config/avr/avr.c (avr_override_options): Likewise.
2602 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2603 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2604 * config/h8300/h8300.c (h8300_init_once): Likewise.
2605 * config/mips/mips.c (override_options): Likewise.
2606 * config/i386/i386.c (override_options): Likewise, rework.
2607 * config/m68k/m68k.c (override_options): Likewise.
2609 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2611 * config/mips/mips.c (print_operand): Likewise.
2612 * hash.c (hash_allocate): Don't check for failure returns from
2613 obstack functions that can't fail.
2614 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2615 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2616 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2617 (get_object_reference): Likewise.
2619 2001-02-04 Nick Clifton <nickc@redhat.com>
2621 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2622 StrongARM1110, 10TDMI, and 1020T.
2624 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2626 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2628 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2630 * config/sh/sh.md (movdf load split): Pass register number to
2631 FP_OR_XD_REGISTER_P.
2633 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2635 * cppinit.c (BC): New macro.
2636 (builtin_array): Add __GXX_WEAK__.
2637 * cpplib.h (builtin_type): Add BT_WEAK.
2638 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2639 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2640 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2642 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2644 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2646 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2648 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2649 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2651 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2653 * cpphash.h: Rename ALIGN _ALIGN.
2654 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2656 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2658 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2659 compilation environment.
2660 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2661 control over location of cygwin includes and libs.
2663 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2665 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2667 2001-02-02 lars brinkhoff <lars@nocrew.org>
2669 * md.texi (Standard Names): remove reference to spur.md.
2671 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2673 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2674 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2675 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2676 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2677 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2679 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2681 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2682 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2683 number before reload.
2684 (c4x_adjust_cost): Return zero before reload.
2685 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2686 split before reload.
2688 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2690 * c4x.c (c4x_hard_regno_rename_ok): New.
2691 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2692 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2694 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2696 * diagnostic.h: Add missing "extern" in all declarations.
2698 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2700 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2701 as for gcc_gxx_include_dir.
2703 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2705 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2707 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2709 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2710 label before alignment to be used as the braf base address.
2711 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2713 (casesi_jump_2): Require at least TARGET_SH2.
2715 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2716 truncation to 32-bit doubles on -m3e and -m4-single-only.
2718 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2720 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2721 the default when building a shared object.
2722 (init_spec): Use it.
2723 * testsuite/lib/g++.exp: Include the directory where libgcc
2724 is located to the LD_LIBRARY_PATH list.
2725 * invoke.texi (-shared-libgcc): Document the cases in which
2726 GCC defaults to using the shared libgcc.
2728 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2730 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2731 unsigned is wide enough.
2733 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2734 (si_to_float): Likewise.
2735 (float_to_si, float_to_usi): Use BITS_PER_SI.
2737 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2739 * dwarf2out.c: Added explanation of abbreviations.
2740 (def_cfa_1): Added comments listing DWARF2 instructions.
2741 (cfa_temp_reg): Removed in favor of cfa_temp.
2742 (cfa_temp_value): Removed in favor of cfa_temp.
2743 (cfa_temp): New global variable.
2744 (dwarf2out_frame_debug_expr): Added extensive introductory
2745 comments explaining the function's transformations. Revised to
2746 use cfa_temp. Added some rtx checking. Generalize IOR case.
2747 (dwarf2out_frame_debug): Revised to use cfa_temp.
2748 (output_aranges): Cast as "unsigned" to avoid warning.
2749 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2750 explain which instructions must be marked.
2752 2001-02-01 Richard Henderson <rth@redhat.com>
2754 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2757 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2759 * config/sh/crt1.asm (main_k): Modified so that start calls
2760 ___setup_argv_and_call_main.
2762 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2764 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2765 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2766 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2767 * cppmacro.c (builtin_macro): Set builtin flags here.
2768 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2769 (replace_args): Clarify intent.
2770 (cpp_get_token): Macro expansion tokens get the saved flags.
2772 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2775 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2777 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2780 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2782 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2783 returns Pmode pseudo, but we need ptr_mode.
2784 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2785 Remove bogus conversions; use HOST_WIDE_INT for size.
2786 Don't use TARGET if wrong mode.
2788 * config/i386/i386.c (ix86_compute_frame_size): Allow
2789 stack_alignment_needed to be non-default even if size is zero.
2791 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2793 * (hppa_init_pic_save): Emit the pic offset table
2794 reg save after last_parm_insn.
2795 * pa.c (hppa_init_pic_save): New function.
2796 * pa.h (hppa_init_pic_save): Declare.
2797 * pa.md (call, call_value, sibcall, sibcall_value): Use
2798 the above instead of duplicated code.
2800 * pa.c (hppa_encode_label): Correct size of alloca buffer
2801 so we don't overrun it. Correct leading `*' case.
2802 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2803 need to handle `*@'.
2804 (FUNCTION_NAME_P): Likewise.
2806 2001-01-31 Richard Henderson <rth@redhat.com>
2808 * config.gcc (alpha-osf5): Use float-i128.h.
2810 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2811 * config/float-i32.h: Likewise.
2812 * config/float-i64.h: Likewise.
2813 * config/float-sh.h: Likewise.
2814 * config/float-sparc.h: Likewise.
2816 2001-01-31 DJ Delorie <dj@redhat.com>
2818 * expmed.c (extract_bit_field): allow non-integral modes if we
2819 want to extract a whole register from itself.
2821 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2823 * c-typeck.c (set_init_index): If first is equal to last, assume as
2824 if it was not a range at all.
2826 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2828 * config/fp-bit.c: Include tm.h.
2829 (float_to_si): Don't assume SImode is 32-bits wide.
2830 (float_to_usi): Likewise.
2832 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2834 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2836 (typename): Call pending_xref_error after parsing typed_typespecs.
2837 * c-decl.c (lookup_tag): Give error immediately rather than
2838 leaving it pending if the tag of the wrong type is in the same
2840 (xref_tag): Don't pedwarn for forward declarations of enum types
2842 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2845 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2847 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2849 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2851 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2852 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2854 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2856 * cpphash.h (struct cpp_reader): New saved_flags.
2857 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2858 to avoid a paste after a pasted token.
2860 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2862 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2863 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2864 Wtype_MIN instead of LONG_MIN.
2866 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2868 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2870 * fixinc/fixincl.x: Regenerated.
2871 * fixinc/inclhack.def (irix_limits_const): New definition to
2872 convert "const" to "__const" in limits.h.
2874 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2876 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2878 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2880 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2881 when register dies in the insn.
2883 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2885 * diagnostic.c (fatal): Fix word wrap.
2887 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2889 * combine.c (try_combine): Fix SUBREG setting for
2890 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2892 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2894 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2897 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2899 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2901 * toplev.c (decode_W_option): Update warn_larger_than
2902 unconditionally for each processed switch.
2904 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2906 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2908 (hppa_expand_prologue): Delete code to save pic offset table register
2909 in the function prologue.
2910 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2911 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2912 table register at the beginning of the function after the prologue.
2914 2001-01-29 lars brinkhoff <lars@nocrew.org>
2916 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2918 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2919 Jeff Law <law@redhat.com>
2921 * pa.md (return): Revise comment for trivial return.
2922 (return_internal): Non-trivial return pattern for non-PIC code.
2923 (return_internal_pic): Non-trivial return pattern for PIC code.
2924 It uses the PIC register to ensure it is restored after
2926 (epilogue): Generate appropriate return for PIC and non-PIC code.
2928 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2930 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2932 2001-01-29 DJ Delorie <dj@redhat.com>
2934 * combine.c (if_then_else_cond): Pass the correct mode to
2935 operand_subword() for constants.
2937 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2939 * config/i386/cygwin.h: Add w32api to include search. Search different
2940 directories in a cross-build environment.
2942 2001-11-29 Tim Josling <tej@melbpc.org.au>
2944 * tree.h (TYPE_STUB_DECL): Add documentation.
2946 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2948 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2949 (sdbout_field_types): Likwise. Fix use of host_integerp.
2951 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2953 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2956 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2958 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2959 to use flag_gnu_linker.
2961 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2963 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2964 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2966 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2968 * tree.c, tree.h (build_parse_node): Remove; was identical to
2970 * c-lang.c (start_cdtor), objc/objc-act.c
2971 (build_module_descriptor): Use build_nt instead of
2974 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2976 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2977 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2978 not have any upper bits set.
2980 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2982 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2984 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2986 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2988 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2990 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2991 (integer_minus_one_node): Define.
2993 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2995 * Makefile.in (bootstrap2-lean): Fix typo.
2997 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2999 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3000 : Don't set fe_value.
3001 * cpplib.h (AVOID_LPASTE): New flag.
3002 (struct cpp_hashnode): Remove fe_value.
3003 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3004 * cppmacro.c (builtin_macro): Don't set flags here.
3005 (replace_args): Set AVOID_LPASTE flag on first token of an
3006 argument, and the token following it.
3007 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3008 macro expansion, and on the token following it. Do it for
3010 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3012 2001-01-27 Richard Henderson <rth@redhat.com>
3014 * config/alpha/t-ieee: Remove multilibbing.
3015 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3017 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3019 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3021 * Makefile.in: Remove all dependencies on defaults.h.
3022 * builtins.c: Don't include defaults.h.
3023 * c-common.c: Likewise.
3024 * c-decl.c: Likewise.
3025 * c-pragma.c: Likewise.
3026 * c-typeck.c: Likewise.
3027 * combine.c: Likewise.
3029 * frame-ia64.c: Likewise.
3030 * cppexp.c: Likewise.
3031 * crtstuff.c: Likewise.
3032 * dbxout.c: Likewise.
3033 * dwarf2out.c: Likewise.
3034 * dwarfout.c: Likewise.
3035 * emit-rtl.c: Likewise.
3036 * except.c: Likewise.
3038 * final.c: Likewise.
3039 * frame-dwarf2.c: Likewise.
3040 * libgcc2.c: Likewise.
3041 * optabs.c: Likewise.
3042 * profile.c: Likewise.
3043 * sdbout.c: Likewise.
3044 * toplev.c: Likewise.
3045 * tradcif.y: Likewise.
3047 * varasm.c: Likewise.
3049 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3051 * builtins.c (expand_builtin_fputs): Use size_one_node when
3052 transforming into fwrite.
3054 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3056 * extend.texi (Attribute Syntax): New section.
3058 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3060 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3061 they didn't need fixing.
3063 2001-01-27 Janis Johnson <janis@us.ibm.com>
3065 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3067 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3068 to remove macro definitions that are duplicated from elfos.h.
3070 2001-01-27 Richard Henderson <rth@redhat.com>
3072 * config/i386/sco5gas.h: Move ...
3073 * config/usegas.h: ... here.
3074 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3076 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3078 * c-typeck.c (struct constructor_stack): Add range_stack member.
3079 (really_start_incremental_init): Clear it.
3080 (push_init_level): Save constructor_range_stack and clear it if
3081 pushing explicit braces.
3082 (pop_init_level): abort if constructor_range_stack is non-zero at
3083 explicit closing brace. Restore saved constructor_range_stack if
3086 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3088 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3089 into register was forced into memory.
3091 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3093 * Makefile.in: Remove uses of + before $(MAKE).
3095 2001-01-26 Richard Henderson <rth@redhat.com>
3097 * stmt.c (cost_table): Remove.
3098 (COST_TABLE, cost_table_initialized): New.
3099 (estimate_case_costs): Use the later instead of the former.
3100 (balance_case_nodes): Likewise.
3102 2001-01-26 Richard Henderson <rth@redhat.com>
3104 * alias.c (objects_must_conflict_p): Read-only slots may not
3105 conflict despite having the same type.
3107 2001-01-27 Michael Hayes <mhayes@redhat.com>
3109 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3111 (check_ext_dependant_givs): Initialise u_start_val and
3113 (load_mems): Make last_max_reg unsigned.
3114 (try_swap_copy_prop): Use INSN_P and initialise set.
3116 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3118 * README.AVR : Removed.
3120 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3122 * pa-64.h (text_section): Remove declaration.
3124 * pa.md (return_internal): Remove mode on PIC register use.
3126 2001-01-25 lars brinkhoff <lars@nocrew.org>
3128 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3129 ASM_CLOSE_PAREN): fix typos.
3131 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3133 * acconfig.h: Define `const' to the empty string if neither
3134 __STDC__ nor __cplusplus is defined.
3135 * config.in: Regenerated.
3137 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3139 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3140 * collect2.c (main): Delete importf. Add ".obj" file extension.
3141 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3142 (aix_std_libs): Add additional AIX libraries to skip.
3143 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3144 * config/rs6000/aix51.h: New file.
3146 2001-01-25 Michael Hayes <mhayes@redhat.com>
3148 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3149 (loop_insn_emit_before): No longer static.
3150 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3151 (loop_givs_rescan, load_mems): Likewise.
3152 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3153 (maybe_eliminate_biv_1):
3154 (move_movables): Replace emit_call_insn_before with
3155 loop_call_insn_hoist.
3156 * loop.h (loop_insn_emit_before): Add.
3157 * unroll.c (copy_loop_body): Replace emit_insn_before with
3158 loop_insn_emit_before.
3160 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3162 * diagnostic.c (fatal): Request preprocessed source.
3164 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3166 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3167 olddecl has argument types and newdecl has none, use the argument
3170 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3172 * dwarf2out.c (prefix_of): New function. Determine longest common
3173 prefix of the two arguments. The units are whole path components.
3174 (output_file_names): When adding a new directory find the one entry
3175 with the longest common prefix already in the list. Artificially
3176 generate entry if there is none for this prefix.
3177 Fix test to check whether the zeroth directory entry is used.
3179 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3181 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3182 Changed all callers. Take it into account when deciding if a
3183 previously loaded value matches.
3185 2001-01-24 Richard Henderson <rth@redhat.com>
3187 * reload.c (find_reloads_subreg_address): Fail the substitution
3188 if the resulting address is insufficiently aligned.
3190 2001-01-24 DJ Delorie <dj@redhat.com>
3192 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3193 check the original operand's mode also.
3194 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3196 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3198 * c-parse.in (cast_expr): Move compound literals from here ...
3199 (primary): ... to here. Use standard terminology "compound
3200 literal" instead of "constructor expression".
3202 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3204 * gcc.1, cpp.1: Regenerate.
3206 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3208 * calls.c (emit_library_call_value_1): Memory slot for
3209 pass-by-reference argument should have the mode of the argument,
3210 not of the pointer to it.
3212 2001-01-24 Tom Tromey <tromey@redhat.com>
3214 * gcc.texi (G++ and GCC): Mention gcj manual.
3215 (Standards): Link to section of manual mentioning gcj/Java
3218 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3220 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3221 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3222 * tradcpp.c (main): Add -imacros or -include'd dependencies
3224 * cpp.texi (-M, -MM): Document -M -include behaviour.
3226 2001-01-24 Roger Collins <roger@ProProject.com>
3228 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3230 2001-01-24 Will Cohen <wcohen@redhat.com>
3232 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3233 whether registers are 32 bits or 64 bits in size.
3235 2001-01-24 Ben Elliston <bje@redhat.com>
3237 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3239 2001-01-24 Richard Henderson <rth@redhat.com>
3241 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3242 (builtin_longjmp): Use it instead of emit_indirect_jump.
3244 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3246 * bb-reorder.c (make_reorder_chain_1): Handle case where
3247 jump edge goes to the same block as the fallthru edge.
3249 2001-01-23 Jim Wilson <wilson@redhat.com>
3251 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3252 * frame.h (__ia64_personality_v1): Add prototype.
3253 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3254 prototype form. Add void * cast to first argument to personality
3256 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3257 (asctoe113): Likewise.
3258 * config/ia64/frame-ia64.c: Include eh-common.h.
3259 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3261 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3263 (itanium_split_issue): Add prototype.
3264 (gen_nop_type): Ifdef out.
3265 (find_best_packet): Initialize best_packet.
3266 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3268 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3269 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3270 (flushrs): Add explicit stop bit at end.
3271 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3274 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3276 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3278 * libgcc2.c (__terminate_func): Make variable static.
3279 (__terminate_set_func): New function to set __terminate_func.
3280 * libgcc2.h (__terminate_func_ptr): New typedef.
3281 (__terminate_set_func): New function.
3283 2001-01-23 Richard Henderson <rth@redhat.com>
3285 * flow.c (init_propagate_block_info): Don't consider unchanging
3286 memories for dead frame store elimination.
3288 2001-01-23 Richard Henderson <rth@redhat.com>
3290 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3291 * defaults.h: ... here.
3293 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3295 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3297 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3299 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3301 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3303 * rs6000.h (rs6000_return_addr): Move prototype from here...
3304 * rs6000-protos.h (rs6000_return_addr): ...to here.
3305 (rs6000_init_expanders): Delete prototype.
3307 2001-01-23 Nick Clifton <nickc@redhat.com>
3309 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3310 (Spec Files): Document %B and %j and %. and %v3 and %M and
3311 %{S*&T} spec switches.
3313 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3315 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3317 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3318 Neil Booth <neil@daikokuya.demon.co.uk>
3320 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3321 Have -Werror make pedantic warnings errors, like the
3324 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3326 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3328 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3330 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3331 * integrate.c (expand_inline_function): Initialize them.
3332 (subst_constants): If changing COMPARE so that both its arguments
3333 will be VOIDmode and the comparison mode will be lost, note
3334 compare_mode. Use the recorded compare_mode to optimize
3337 2001-01-23 Jason Merrill <jason@redhat.com>
3339 * dwarf2out.c (new_die): Use xcalloc.
3340 (output_die): Abort rather than emit a local reference to offset 0.
3342 2001-01-17 Andrew Haley <aph@redhat.com>
3344 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3345 of a saved register; return NULL instead.
3346 (copy_reg): Take a pointer to a source register rather than a
3348 (next_stack_level): Remember the address in the stack frame of all
3350 Use the saved register pointer array as the source of the CFA.
3351 (throw_helper): Rewrite. Unwind once rather than twice and keep
3352 track of saved registers as we go.
3354 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3356 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3357 * c4x.c (c4x_legitimize_reload_address): Remove.
3358 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3359 reload address for ldp(k) insn.
3361 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3363 * pa.md (return_internal): Add a USE of the PIC register to ensure
3364 it is restored after each call.
3365 (return expander): Corresponding changes.
3367 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3369 * rs6000.h (INIT_EXPANDERS): Delete.
3370 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3371 * rs6000.c (rs6000_override_options): Call *_machine_status from
3373 (rs6000_init_expanders): ...instead of here. Delete.
3374 (rs6000_mark_machine_status): New function.
3375 (rs6000_init_machine_status): Use xcalloc.
3376 (rs6000_return_addr): Generate RTX for the return address.
3377 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3378 (rs6000_stack_info): Use it.
3380 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3382 * gthr-win32.h: Include errno.h to get a declaration for
3383 EINVAL and _mingw.h if the target is mingw32.
3385 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3387 * cpp.texi: Correct typos.
3389 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3391 * explow.c (probe_stack_range): Ensure value passed to
3392 stack_check_libfunc is ptr_mode, not Pmode.
3394 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3396 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3397 case, don't use operand_subword to calculate a SUBREG that is
3400 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3402 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3404 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3405 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3406 valid. If not replace it by equivalent insns.
3408 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3410 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3411 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3412 (c4x_U_constraint, symbolic_address_operand): Likewise.
3413 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3415 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3416 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3417 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3418 anulling slot because of silicon bug.
3419 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3421 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3423 * cppexp.c (parse_charconst): Change `mask' type to agree
3426 2001-01-21 Richard Henderson <rth@redhat.com>
3428 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3429 pic_label_name in a linkonce section.
3431 2001-01-17 Philipp Thomas <pthomas@suse.de>
3433 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3435 * configure: Regenerate.
3437 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3439 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3440 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3442 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3444 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3445 If REVERSE nonzero then condition code in X must be reversed.
3446 (encode_section_info): Optimise if/else.
3447 (avr_function_value): Fix formatting.
3449 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3450 (difficult_branch): Likewise.
3451 (rvbranch): Likewise.
3452 (difficult_rvbranch): Likewise.
3454 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3456 * config/avr/libgcc.S: Fix comment.
3458 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3460 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3462 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3464 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3466 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3468 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3469 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3470 * configure, config.in: Regenerate.
3471 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3472 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3473 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3474 (doprint.o): New rule.
3476 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3478 * c-typeck.c (digest_init): Handle boolean types as scalars.
3480 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3482 * stmt.c (expand_return): Don't return anything if size is zero.
3483 Delete redundant assignment to BYTES.
3484 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3486 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3488 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3489 the same as the default library function names.
3490 * config/avr/avr.md: Document special characters after '%'.
3491 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3492 knowing which of the call-used registers are really clobbered.
3493 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3494 New. Both quotient and remainder from one libgcc.S call.
3495 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3496 clobber as few registers as possible.
3497 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3499 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3501 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3502 context of the top of the stack.
3504 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3506 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3507 (fixup_var_refs_insns): ...here.
3509 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3511 * function.c (fixup_var_refs_insns): Break up into
3512 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3513 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3514 [loop over hash table entries].
3515 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3516 fixup_var_refs_insns_with_hash, to match above changes.
3518 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3520 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3521 (libgcc.a): Likewise.
3522 (stmp-multilib): Likewise.
3523 (STAGE2_FLAGS_TO_PASS): Likewise.
3525 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3527 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3528 temporary if no_new_pseudos.
3530 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3532 * cppinternals.texi: Update.
3534 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3536 * arm.c (arm_init_builtins): Re-enable builtins.
3538 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3540 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3541 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3542 element to be null, and always expect an EXPR_LIST.
3543 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3544 * sched-deps.c (sched_analyze_1): Likewise.
3545 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3547 * regclass.c (max_set_parallel): New variable.
3548 (reg_scan): Take it into account in computation of max_parallel.
3549 (reg_scan_mark_refs, case SET): Compute it.
3551 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3553 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3554 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3556 2001-01-19 Jason Merrill <jason@redhat.com>
3558 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3559 for the abstract instance of an inline function.
3561 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3562 J"orn Rennecke <amylaar@redhat.com>
3564 * reload1.c (move2add_note_store): Treat all registers directly or
3565 indirectly derived from a base register as members of the same set
3567 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3568 of base register into account.
3570 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3572 * alias.c (find_base_value): Recognize TRUNCATE.
3573 (record_set): In PLUS case, invalidate if other summand is also a
3576 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3578 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3579 entry to be EXPR_LIST.
3580 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3581 be an EXPR_LIST (but not null, which other code doesn't allow).
3582 (note_stores): Properly handle PARALLEL in SET.
3583 Recursively call for top-level PARALLEL.
3584 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3585 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3587 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3589 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3591 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3592 not pfile->skipping (== 0).
3594 2001-01-17 Nick Clifton <nickc@redhat.com>
3596 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3599 2001-01-17 Jim Wilson <wilson@redhat.com>
3601 * invoke.texi (IA-64 options): Improve.
3603 2001-01-17 Tom Tromey <tromey@redhat.com>
3605 * invoke.texi (Optimize Options): Use `{}' to around @samp
3608 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3610 * invoke.texi (-fno-guess-branch-probability): New option.
3612 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3614 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3615 case of making new double-word constant.
3616 Revert last change: instead just test i3_subst_into_i2.
3618 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3620 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3621 Use q constraints instead of r.
3623 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3625 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3626 (machine_function): Define.
3627 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3628 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3629 pa_free_machine_status): New functions.
3630 (override_options): Set {init,mark,free}_machine_status to above.
3631 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3632 PIC_OFFSET_TABLE_REGNUM_SAVED.
3633 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3634 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3635 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3636 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3637 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3639 2001-01-15 DJ Delorie <dj@redhat.com>
3641 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3645 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3647 * flow.c (propagate_on_insn): Make trying to delete a prologue
3648 or epilogue insn an ICE, not a warning. Allow doing this if
3649 the current function returns with stack pointer depressed.
3651 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3652 I3 having more than one SET.
3654 2001-01-16 Jim Wilson <wilson@redhat.com>
3656 * invoke.texi: Document IA-64 options.
3658 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3659 (fixup_errata): Delete TARGET_A_STEP use.
3660 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3661 (TARGET_SWITCHES): Delete -ma-step option.
3662 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3663 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3664 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3665 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3666 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3667 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3669 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3670 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3671 cmovsi_internal): Delete ! TARGET_A_STEP check.
3673 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3675 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3676 possibility to report bugs via postal mail. Change a URL and
3677 merge in a nearly duplicate statement...
3678 (Bug Reporting): ...from here.
3679 (Service): Refer to the Bug Reporting section instead of
3681 (Contributing): Remove trivial explanations concerning snapshots.
3683 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3685 * cppmain.c (general_init): Don't use ANSI prototype.
3687 2001-01-16 Tom Tromey <tromey@redhat.com>
3689 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3691 2001-01-16 Richard Henderson <rth@redhat.com>
3693 * config/i386/i386.h: Fix comment typo.
3694 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3695 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3697 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3699 * gcc.c: Revert previous -fsyntax-only-related change; move
3702 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3704 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3705 inmode after checking GET_CODE (op).
3707 2001-01-16 Richard Henderson <rth@redhat.com>
3709 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3710 (MAX_MEM_SET_LIST_LEN): New.
3711 (propagate_one_insn): Update mem_set_list_len.
3712 (invalidate_mems_from_autoinc): Likewise.
3713 (invalidate_mems_from_set): Likewise.
3714 (mark_used_regs): Likewise.
3715 (init_propagate_block_info): Likewise. Stop collecting memories
3716 when we reach MAX_MEM_SET_LIST_LEN.
3717 (mark_set_1): Likewise.
3719 2001-01-16 Richard Henderson <rth@redhat.com>
3721 * unroll.c (precondition_loop_p): Fail if no iteration
3724 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3726 * gcc.c: When -fsyntax-only is given, do not complain about
3729 2001-01-15 Richard Henderson <rth@redhat.com>
3731 * config/i386/i386.c (asm_output_function_prefix): Remove.
3732 (ix86_asm_file_end): New.
3733 (load_pic_register): Generate pic_label_name into a
3734 staticly allocated buffer.
3735 * config/i386/i386-protos.h: Update.
3736 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3737 (ASM_FILE_END): New.
3738 * config/i386/i386afe.h: New file.
3739 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3740 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3741 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3742 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3743 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3744 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3745 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3747 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3749 * Makefile.in (install-man): Remove explicit dependency on
3752 * configure.in, configure: Revert previous patch requiring perl
3755 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3757 * toplev.c (flag_guess_branch_prob): New.
3758 (f_options): Add guess-branch-probability option.
3759 (rest_of_decl_compilation): Only estimate branch probability if
3761 (main): set flag_guess_branch_prob.
3763 * flags.h (flag_guess_branch_prob): New.
3765 2001-01-15 DJ Delorie <dj@redhat.com>
3767 * gcc.texi (Makefile): Add documentation for Makefile targets.
3769 2001-01-15 Philip Blundell <philb@gnu.org>
3771 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3773 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3774 (is_pic): Delete declaration.
3775 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3776 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3777 * config/arm/arm.md (builtin_setjmp_receiver): New.
3779 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3781 * arm.c (use_return_insn): Don't try to determine the function type
3782 until after reload has completed.
3783 (arm_output_epilogue): Don't adjust the sp value recovered from the
3785 (emit_multi_reg_push): Don't record dwarf information for the pc.
3786 * arm.md (eh_epilogue): The function type may have changed, so it
3787 needs to be recalculated.
3788 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3789 unwind tables on arm/netbsd.
3791 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3793 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3794 (negated_cbranchsi4): Likewise.
3796 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3798 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3799 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3800 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3801 pass -mapcs-* options to assembler.
3802 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3803 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3804 (ASM_SPEC): Call subtarget_extra_asm_spec.
3806 2001-01-15 Andreas Jaeger <aj@suse.de>
3808 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3810 (ix86_expand_builtin): Likewise.
3812 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3813 warning about comparison between signed and unsigned.
3815 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3817 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3819 2001-01-14 Ralf Baechle <ralf@gnu.org>
3821 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3822 SUBTARGET_CPP_SPEC apropriatly.
3824 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3826 * varasm.c (make_decl_rtl): Fix typo in last change.
3828 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3830 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3831 linker supports the init_priority C++ attribute.
3832 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3833 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3834 linker does not support init_priority C++ attribute.
3836 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3838 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3840 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3842 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3843 * cp/lex.c (finish_parse): Similarly.
3844 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3845 Return the number of errors encountered.
3846 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3847 * cppmain.c (main): Don't call cpp_destroy.
3849 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3851 * configure.in: Require at least perl 5.6.0 to regenerate
3853 * configure: Regenerate.
3855 2001-01-14 Richard Henderson <rth@redhat.com>
3857 * genrecog.c (DT_veclen_ge): New.
3858 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3859 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3860 (nodes_identical_1): Handle DT_veclen_ge.
3861 (write_cond, debug_decision_2): Likewise.
3863 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3865 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3867 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3869 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3871 * cppmain.c (do_preprocessing): New function; most of the old
3873 (main): Call it to do most of the work.
3874 (cb): Move from global scope to set_callbacks ().
3875 (setup_callbacks): Get the callback pointer.
3876 (general_init, printer_init): Clean up code and comments.
3878 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3880 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3883 2001-01-14 Kazu Hirata <kazu@hxi.com>
3885 * config/h8300/h8300.c (get_shift_alg): Update comments.
3887 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3889 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3890 (alloc_page, ggc_alloc): Add casts to remove warnings.
3892 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3894 * combine.c (simplify_comparison): Don't change `code' when
3895 can't reverse comparison.
3897 2001-01-14 Richard Henderson <rth@redhat.com>
3899 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3900 update all call sites. Return true for all non-label constants.
3902 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3904 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3906 (ix86_expand_branch): Update.
3907 (ix86_expand_setcc): Update to handle multiple test conditions.
3908 (expand_int_movcc): Likewise.
3909 (expand_fp_movcc): Likewise.
3910 * i386-protos.h (ix86_expand_compare): New.
3911 * i386.md (andqi_?_slp, orqi_?_slp): New.
3912 (conditional trap expander): Update call to ix86_expand_compare.
3914 2001-01-14 Richard Henderson <rth@redhat.com>
3916 * config/vax/vax.md: Use nonimmediate_operand instead of
3917 general_operand in destinations.
3919 * config/vax/vax.md (indirect_jump): Use register_operand.
3921 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3922 * config/vax/vax.md (call_pop): Turn into an expander.
3923 (call_value_pop): Likewise.
3924 (call, call_value): New.
3926 2001-01-14 Andreas Jaeger <aj@suse.de>
3928 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3930 (ix86_fp_compare_mode): Add unused attribute.
3931 (ix86_expand_fp_movcc): Remove unused variable.
3932 (ix86_expand_builtin): Make fcode unsigned.
3934 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3935 (expand_expr): Add cast to avoid signed warning.
3936 (store_field): Likewise.
3937 (store_constructor_field): Likewise.
3938 (store_constructor): Likewise.
3939 (store_expr): Likewise.
3940 (clear_storage): Likewise.
3941 (emit_group_store): Likewise.
3942 (emit_group_load): Likewise.
3944 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3946 * c-common.c: Move format checking code to ...
3947 * c-format.c: ... here. New file. Reorder some functions and
3949 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3951 * c-common.h (decl_handle_format_attribute,
3952 decl_handle_format_arg_attribute): Declare.
3953 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3954 (c-common.o): Adjust dependencies.
3955 (c-format.o): New list of dependencies.
3957 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3959 * unroll.c (loop_iterations): If we cannot prove iteration variable
3960 is set once in each iteration, punt.
3962 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3964 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3965 (*strlenhi): Remove clobber (which was buggy) of output address.
3967 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3969 * Makefile.in (generated-manpages): Add gcc.1
3970 ($(srcdir)/gcc.1): New target.
3971 (maintainer-clean): Delete $(srcdir)/gcc.1.
3972 * gcc.texi: Add macros @gccoptlist and @gol.
3973 * invoke.texi: Include option summary in manpage. Mark up option
3974 summary with @gccoptlist and @gol. Use @r in one place where
3976 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3977 * gcc.1: Generate from invoke.texi.
3979 2001-01-13 Richard Henderson <rth@redhat.com>
3981 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3982 (struct page_entry): Add group member.
3983 (struct page_group): New.
3984 (struct globals): Add page_groups member.
3985 (alloc_anon): Only define for using mmap; remove valloc call.
3986 (page_group_index): New.
3987 (set_page_group_in_use): New.
3988 (clear_page_group_in_use): New.
3989 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3990 (free_page, release_pages): Likewise.
3991 * configure.in (with-gc): Default to ggc-page always.
3993 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3995 * reload1.c (replace_pseudos_in_call_usage): Use
3996 reg_equiv_constant and reg_equiv_address, and don't try
3997 regno_reg_rtx first.
3999 2001-01-13 Richard Henderson <rth@redhat.com>
4001 * ggc-page.c (alloc_page): Round up allocation size to one page.
4002 Set e->order on extra pages.
4004 2001-01-13 Richard Henderson <rth@redhat.com>
4006 * genrecog.c (nodes_identical): Expand commentary.
4007 (write_switch): Watch out for identical nodes.
4009 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4011 * cppfiles.c (_cpp_fake_include): New function.
4012 * cpphash.h (_cpp_fake_include): New.
4013 * cpplib.c (do_line): Call _cpp_fake_include when entering
4014 header files in preprocessed input.
4015 * cppmain.c (cb_pragma_implementation): Remove handling.
4016 (setup_callbacks): Don't register pragmas.
4018 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4020 * extend.texi: Udate for CPP.
4022 2001-01-13 Andreas Jaeger <aj@suse.de>
4024 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4026 * regmove.c: Add prototype for replace_in_call_usage.
4028 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4030 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4031 struct cpp_chunk, struct htab, struct toklist,
4032 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4033 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4034 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4035 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4036 (struct macro_args): Delete.
4037 * cpphash.h: See above.
4039 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4041 * cppmain.c (struct printer): Remove no_line_dirs.
4043 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4044 : Use options rather than CPP_OPTION.
4045 (setup_callbacks): Use cb rather than pfile->cb.
4046 (main): No need to check for a buffer. Use cpp_errors.
4047 (printer_init): Don't set no_line_dirs.
4048 (maybe_print_line): Use options not no_line_dirs.
4049 (cb_file_change): Don't call print_line if -P.
4051 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4053 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4055 * c-parse.in (finish_parse): Use cpp_errors.
4056 (__yylex): Use return value of cpp_pop_buffer.
4057 * cp/lex.c (finish_parse): Use cpp_errors.
4058 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4060 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4062 * README.AVR: URLs corrected.
4064 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4066 * c-decl.c (start_function): Don't warn if old prototype is builtin
4067 that's not in C's namespace.
4068 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4069 (_bb): Add prototype for ctime.
4070 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4072 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4074 * i386.c (ix86_fp_comparison_arithmetics_cost,
4075 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4076 ix86_fp_comparison_cost): New functions.
4077 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4078 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4079 two-branch sequences; make static.
4080 (ix86_use_fcomi_compare): Do decision according to the costs.
4081 (split_fp_branch): New.
4082 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4083 * i386-protos.h (ix86_expand_fp_compare): Remove
4084 (ix86_split_fp_branch): Declare.
4086 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4087 and ix86_comparison_operator.
4089 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4092 * i386.c (put_condition_code): Output properly the unordered/ordered
4093 compares in fp case.
4094 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4096 * tm.texi (REVERSE_CONDITION): Document.
4097 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4098 in -ffast-math mode.
4099 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4101 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4103 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4105 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4108 * config/sh/sh.c (mova_p): Fix test for mova_const.
4110 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4112 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4113 cpp_get_options rather than dereferencing pfile and using
4115 * scan-decls.c (scan_decls): Use return value of
4116 cpp_pop_buffer rather than CPP_BUFFER.
4118 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4120 * cppinit.c (cpp_handle_option): help_only is now part of the
4121 cpp_options structure.
4122 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4123 cpp_set_callbacks): New functions.
4124 * cpplib.h (cpp_callbacks): Break out as a named structure.
4125 (cpp_options): Move help_only here from cpp_reader.
4126 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4127 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4128 cpp_set_callbacks): New prototypes.
4129 * cppmain.c (main): Update for help_only.
4131 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4133 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4134 Also build and remove and install and uninstall c-tree.info and
4136 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4137 ($(srcdir)/cppinternals.info): New target.
4138 * c-tree.texi: Change file name used when makeinfo used without -o
4139 from ir.info to c-tree.info. Add info directory entry.
4140 * cppinternals.texi: Add info directory entry.
4141 * .cvsignore: Update.
4143 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4145 * c-typeck.c (store_init_value): Don't require constant initializer
4146 elements with -pedantic -std=c99.
4147 (digest_init): Change error about non-constant initializer elements
4149 (constructor_range_end): Remove.
4150 (constructor_incremental, designator_depth,
4151 designator_errorneous): New variables.
4152 (struct constructor_stack): Remove range_end, add incremental.
4153 (struct constructor_range_stack, constructor_range_stack): New.
4154 (struct initializer_stack): Add constructor_range_stack.
4155 (finish_init): Set it.
4156 (start_init): Likewise. require_constant_elements for non-static
4157 trees only if not flag_isoc99.
4158 (really_start_incremental_init): Remove constructor_range_end, add
4159 constructor_incremental.
4160 (pop_init_level): Likewise.
4161 (push_init_level): Likewise. If implicit and the subobject had some
4162 value set already, preinitialize the level with it.
4163 Warn about missing braces only if not pushing due to designators.
4164 (set_designator, push_range_stack): New functions.
4165 (set_init_label): Use them.
4166 (set_init_index): Likewise. Remove constructor_range_end.
4167 Error if designator index is outside of array bounds.
4168 (add_pending_init): Compare values of purpose index trees, not the
4169 trees themselves. Allow overwriting of already initialized element.
4170 Issue a warning if it had side-effects.
4171 (set_nonincremental_init, set_nonincremental_init_from_string): New
4173 (pending_init_member): Rename to...
4174 (find_init_member): ...this function. Call set_nonincremental_init
4175 if necessary. Compare values of purpose index trees, not the trees
4176 themselves. Return the actual value, not just non-zero if something
4178 (output_init_element): Remove checks for duplicates.
4179 If field has zero size, only check the initializer for correctness.
4180 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4181 if constructor_incremental is zero. Change error about initializers
4182 not computable at load time into pedwarn.
4183 (output_pending_init_elements): Compare bit positions, not
4184 FIELD_DECLs to take into account zero-sized fields.
4185 (process_init_element): Use constructor_range_stack to fill all
4186 ranges in the designator lists from current level up.
4187 * extend.texi: Update documentation for labeled elements.
4189 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4191 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4192 to function usage for arguments passed by reference. Optimize
4193 callee-copied arguments.
4194 * regmove.c (replace_in_call_usage): New function.
4195 (fixup_match_1): Call it.
4196 * cse.c (cse_insn): Canonicalize registers in function usage.
4197 * reload1.c (replace_pseudos_in_call_usage): New function.
4200 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4203 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4205 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4208 2001-01-12 DJ Delorie <dj@redhat.com>
4210 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4211 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4214 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4216 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4217 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4218 -std options alongside references to -ansi. Update some
4219 documentation for C99.
4220 * cpp.1: Regenerate.
4222 2001-01-12 Andreas Jaeger <aj@suse.de>
4224 * haifa-sched.c (restore_line_notes): Remove argument block B
4226 * sched-ebb.c (schedule_ebb): Change caller.
4227 * sched-rgn.c (schedule_region): Likewise.
4228 * sched-int.h (restore_line_notes): Adjust prototype.
4230 * loop.h: Remove wrong declaration of doloop_condition_get.
4232 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4234 * extend.texi: Move C++-extension-related node from the C section
4235 into the C++ section.
4237 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4239 * extend.texi: Refer to an array of pointers to functions instead
4240 of one of functions.
4242 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4243 Jan Hubicka <jh@suse.cz>
4245 * combine.c (reversed_comparison): Fix typo in last patch.
4247 (combine_reversed_comparison_code): Make static to follow
4248 prototype declaration.
4250 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4252 * install.texi: Remove misplaced duplicate entry.
4254 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4256 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4258 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4260 * final.c: (leaf_function_p): Fix typo.
4262 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4264 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4265 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4267 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4268 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4269 mmap_anon, and valloc is available.
4270 * ggc-page.c: Restructure ifdef logic to match new autoconf
4271 spec. Don't throw away the test page in init_ggc.
4273 * configure, config.in: Regenerate.
4275 2001-01-12 Michael Hayes <mhayes@redhat.com>
4277 * loop.h (total_biv_increment): Constify iv_class pointer.
4278 (struct induction): Replace `mem_mode' with `mem' rtx.
4279 * unroll.c (total_biv_increment): Constify iv_class pointer.
4280 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4281 (find_mem_givs, combine_givs_p): Likewise.
4282 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4284 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4286 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4288 (__gthread_getspecific): Ditto.
4290 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4292 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4293 put_condition_code): Convert fp comparison codes to integer
4295 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4298 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4299 * i386-protos.h (no_comparison_operator): Kill.
4301 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4303 * combine.c (REVERSIBLE_CC_MODE): Remove.
4304 (reversible_comparison_p): Remove.
4305 (combine_reversed_comparison_code): New.
4306 (reversed_comparison): New.
4307 (combine_simplify_rtx): Use
4308 combine_reversed_comparison_code/reversed_comparison instead
4309 of reversible_comparison_p.
4310 (simplify_if_then_else): Likewise.
4311 (simplify_set): Likewise.
4312 (simplify_logical): Likewise.
4313 (if_then_else_cond): Likewise.
4314 (known_cond): Likewise.
4315 (simplify_comparison): Likewise.
4317 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4319 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4320 sizeof (int) is larger than sizeof(__word__).
4322 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4324 * cppinit.c (do_includes): Fix typo.
4326 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4328 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4329 in S_REGS does not occur because not all sources are possible
4330 when a S_REGS is a destination (sometimes needs a clobber).
4331 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4332 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4333 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4334 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4335 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4336 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4337 (lshrdi_const1, lshrsi3_const16): Likewise.
4338 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4339 (*movhi_68hc12, *movqi_68hc12): Likewise.
4340 (movstrictqi): Make sure reloading in D_REGS as a destination
4343 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4345 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4347 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4349 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4350 -D, -U and -A, and don't initialize the builtins.
4351 (do_includes): Error if -include or -imacros with -fpreprocessed.
4352 * cppmain.c (cb_define, cb_undef): Unconditionally process
4354 * tradcpp.c (main): Fix typo.
4356 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4358 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4359 (read_name_map): Use IS_ABSOLUTE_PATH.
4360 * tradcpp.c (get_filename): Likewise.
4362 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4364 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4365 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4366 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4367 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4368 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4369 (cmphi_z_used): Don't use '@' for the output.
4370 (tstqi_z_used): Likewise.
4371 (cmpqi_z_used): Likewise.
4372 (one_cmplsi2): Likewise.
4374 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4376 * config/sh/sh.c (barrier_align): Recognize branch around far
4377 branch and redundant insn.
4379 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4381 * invoke.texi: Restore documentation of the drivers' switches -MD
4384 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4386 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4388 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4389 check-objc//%): Support parallel testing of multilibs.
4390 (TESTSUITEDIR): Set to testsuite by default, but override for
4392 (check-gcc, check-g++, check-g77, check-objc): Enter
4395 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4397 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4398 * sched-deps.c (deps_may_trap_p): Likewise.
4399 * basic-block.h: Remove a comment.
4400 * flow.c (PROP_POSTRELOAD): Remove.
4401 (update_life_info): Don't add it to prop_flags.
4402 (mark_set_1): Lose the code that was enabled by it.
4404 2001-01-11 Michael Hayes <mhayes@redhat.com>
4406 * flow.c (flow_call_edges_add): New.
4407 * basic_block.h (flow_call_edges_add): New.
4409 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4411 * reload1.c (move2add_note_store): Update reg_set_luid even if
4412 base reg remains the same.
4414 2001-01-10 Nick Clifton <nickc@redhat.com>
4416 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4417 machine_function structure to zero.
4418 Add prototypes for machine_status functions.
4420 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4422 * c-common.h (CTI_VOID_LIST): Remove.
4423 (void_list_node): Likewise.
4424 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4425 (void_list_node): New macro.
4426 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4427 * config/i386/i386.c (ix86_init_builtins): Likewise.
4428 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4430 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4432 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4433 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4435 * tradcpp.c: Include mkdeps.h.
4436 (deps, print_deps_phony_targets, deps_append, output_deps,
4437 init_dependency_output, output_deps): New.
4438 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4439 deps_output): Delete.
4440 (print_deps_missing_files): Rename deps_missing_files.
4441 (inhibit_output): Make global.
4442 (main): Delete inhibit_output, deps_stream, deps_target.
4443 Use mkdeps functionality in the same way as cpplib. Remove
4444 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4445 -M and -MM. Remove old handling of deps via deps_out, and
4446 old reading of environment variables.
4447 (get_filename): Update to use deps_add_dep.
4449 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4451 * output.h (make_function_rtl): Remove prototype.
4452 (make_decl_rtl): Likewise.
4453 * varasm.c (make_function_rtl): Remove.
4454 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4455 than from a third parameter.
4456 * tree.h (make_decl_rtl): Remove last parameter.
4457 * c-decl.c (builtin_function): Remove last argument in call to
4458 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4459 (start_function): Likewise.
4460 * except.c (call_get_eh_context): Likewise.
4461 * expr.c (emit_block_move): Likewise.
4462 (clear_storage): Likewise.
4463 * profile.c (output_func_start_profiler): Likewise.
4464 * toplev.c (rest_of_decl_compilation): Likewise.
4465 * objc/objc-act.c (create_builtin_decl): Likewise.
4466 (synth_module_prologue): Likewise.
4467 (generate_static_reference): Likewise.
4468 (build_selector_reference_decl): Likewise.
4469 (build_class_reference_decl): Likewise.
4470 (build_objc_string_decl): Likewise.
4471 (build_protocol_reference): Likewise.
4473 2001-01-10 Richard Henderson <rth@redhat.com>
4475 * hwint.h: Revert yesterday's change.
4477 2001-01-10 Nick Clifton <nickc@redhat.com>
4479 * function.h (save_machine_status): Delete.
4480 (restore_machine_status): Delete.
4481 Amend comment describing {init|mark|free}_machine_status.
4483 * function.c (save_machine_status): Delete.
4484 (restore_machine_status): Delete.
4485 Amend comment describing {init|mark|free}_machine_status.
4486 (push_function_context_to): Remove invocation of
4487 save_machine_status.
4488 (pop_function_context_from): Remove invocation of
4489 restore_machine_status.
4491 * emit-rtl.c (init_emit_once): Amend comment describing
4492 {init|mark|free}_machine_status.
4494 * tm.texi (Per-Function Data): New node. Describe the
4495 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4498 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4500 * cppinit.c (OPT_g): Remove.
4501 (cpp_handle_option): Update for removed -g3.
4502 (print_help): Update.
4503 * cpplib.h (struct cpp_options): Remove debug_output.
4504 * cppmain.c (setup_callbacks, cb_define): Update.
4505 * gcc.c (cpp_options): Translate -g3 to -dD.
4507 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4509 * config/i960/i960.md: Change modifier to + on the zero_extract
4510 pattern after the (rotate -2 reg) canonicalization pattern.
4512 2001-01-10 Richard Henderson <rth@redhat.com>
4514 * config/alpha/alpha.c (alpha_free_machine_status): New.
4515 (override_options): Install it.
4516 (alpha_mark_machine_status): Verify machine non-null.
4517 * config/i386/i386.c (ix86_free_machine_status): New.
4518 (override_options): Install it.
4519 (ix86_init_machine_status): Use xcalloc.
4520 (ix86_mark_machine_status): Verify machine non-null.
4521 * config/ia64/ia64.c (ia64_free_machine_status): New.
4522 (ia64_override_options): Install it.
4523 (ia64_mark_machine_status): Verify machine non-null.
4525 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4527 * function.c (instantiate_virtual_regs): Instantiate virtual
4528 registers found in CALL_INSN_FUNCTION_USAGE.
4530 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4532 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4533 equivalent to -ansi in disabling -Di386.
4535 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4537 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4539 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4541 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4543 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4545 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4547 * invoke.texi: Document that -fcond-mismatch isn't supported for
4550 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4552 * gcc.texi: Define macro gcctabopt.
4553 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4554 @command, @env and @option in some places where appropriate. Use
4555 @gcctabopt where appropriate. Put URLs and email addresses inside
4558 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4560 * gcc.c (cpp_options): Set MD file name from output
4561 filename, if specified.
4562 (suffix_subst): New static variable.
4563 (do_spec): Clear it.
4564 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4566 (give_switch): Handle suffix_subst.
4568 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4570 * invoke.texi: Fix another typo.
4572 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4574 * invoke.texi: Fix typo.
4576 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4578 * c-lang.c (lang_hooks): Update.
4579 (lang_decode_option): Remove.
4580 (lang_init_options): Rename c_init_options.
4581 * toplev.c (main): Use lang_hooks for lang_init_options
4582 and lang_decode_option.
4583 * toplev.h (lang_hooks): Add 2 new hooks.
4584 * tree.h: Remove lang_init_options and lang_decode_option.
4585 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4586 * cp/decl2.c: Similarly.
4587 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4588 (lang_hooks): Update.
4589 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4591 (lang_init_options): Rename ffe_init_options.
4592 (lang_hooks): Update.
4593 (lang_decode_option): Remove.
4594 * java/lang.c (lang_init_options): Rename java_init_options.
4595 (lang_decode_option): Rename java_decode_option.
4596 (lang_hooks): Update.
4597 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4598 (lang_decode_option): Rename objc_decode_option.
4599 (lang_hooks): Update.
4601 2001-01-09 Nick Clifton <nickc@redhat.com>
4603 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4604 (d30v_return_addr_rtx): Delete.
4605 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4606 cfun->machine structure.
4607 (struct machine_function): Move to d30v.h
4608 (d30v_save_machine_status): Delete.
4609 (d30v_restore_machine_status): Delete.
4610 (d30v_init_machine_status): New Function.
4611 (d30v_mark_machine_status): New Function.
4612 (d30v_free_machine_status): New Function.
4613 (d30v_init_expanders): Use new functions.
4614 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4615 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4616 d30v_return_addr_rtx.
4618 * config/d30v/d30v.h (struct_machine): Move here.
4619 Add eh_epilogue_sp_ofs field.
4621 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4622 field in cfun->machine structure.
4624 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4626 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4627 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4628 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4630 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4632 * objc/lang-options.h: Remove bogus reference to
4635 2001-01-09 Kazu Hirata <kazu@hxi.com>
4637 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4640 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4642 * reload.c (find_reloads_address): Check for eliminable registers
4643 when substituting a constant expression for a pseudo.
4645 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4647 * c-common.c (enum format_type): Add format_type_error.
4648 (decode_format_type): New function.
4649 (decl_attributes): Use it.
4650 (format_kind_info): Adjust comment.
4652 2001-01-09 David O'Brien <obrien@BSDi.com>
4654 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4655 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4657 * config/i386/gnu.h: Don't include required platform specific .h files,
4658 tm.h will do it instead.
4659 * config/i386/i386elf.h: Likewise.
4660 * config/i386/linux.h: Likewise.
4661 * config/i386/moss.h: Likewise.
4662 * config/mips/gnu.h: Likewise.
4664 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4666 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4667 (rs6000-ibm-aix3.[01]*): Likewise.
4668 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4669 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4670 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4671 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4672 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4673 (powerpc-*-eabiaix*): Likewise.
4674 (powerpc-*-eabisim*): Likewise.
4675 (powerpc-*-elf*): Likewise.
4676 (powerpc-*-eabi*): Likewise.
4677 (powerpc-*-rtems*): Likewise.
4678 (powerpc-*-linux*libc1): Likewise.
4679 (powerpc-*-linux*): Likewise.
4680 (powerpc-wrs-vxworks*): Likewise.
4681 (powerpcle-wrs-vxworks*): Likewise.
4682 (powerpcle-*-sysv*): Likewise.
4683 (powerpcle-*-elf*): Likewise.
4684 (powerpcle-*-eabisim*): Likewise.
4685 (powerpcle-*-eabi*): Likewise.
4686 (powerpcle-*-solaris2*): Likewise.
4687 * config/rs6000/aix31.h: Delete includes.
4688 * config/rs6000/aix3newas.h: Likewise.
4689 * config/rs6000/aix41.h: Likewise.
4690 * config/rs6000/aix43.h: Likewise.
4691 * config/rs6000/beos.h: Likewise.
4692 * config/rs6000/rtems.h: Likewise.
4693 * config/rs6000/sysv4.h: Likewise.
4695 2001-01-09 Kazu Hirata <kazu@hxi.com>
4697 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4698 Change an argument mode of machine_mode to shift_mode of
4699 shift_mode. Remove an extra error check.
4700 (emit_a_shift): Adopt to the new calling prototype of
4702 (function_prologue): Fix code for a monitor
4703 function. Support H8/S.
4704 (function_epilogue): Do not output pop for a monitor function.
4706 2001-01-09 Nick Clifton <nickc@redhat.com>
4708 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4709 (setup_incoming_varargs): Use sysv_varargs_p field of the
4710 cfun->machine structure.
4711 (struct machine_function): Move to rs6000.h
4712 (rs6000_save_machine_status): Delete.
4713 (rs6000_restore_machine_status): Delete.
4714 (rs6000_init_machine_status): New Function.
4715 (rs6000_free_machine_status): New Function.
4716 (rs6000_init_expanders): Use new functions.
4718 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4720 (struct machine_function): Move here.
4722 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4723 sysv_varargs_p field of the cfun->machine structure.
4725 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4727 (rs6000_restore_machine_status): Remove prototype.
4729 2001-01-09 Richard Henderson <rth@redhat.com>
4731 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4732 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4733 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4734 (sched_analyze_2, sched_analyze_insn): Likewise.
4735 (sched_analyze, init_deps): Likewise.
4736 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4737 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4738 (compute_block_backward_dependences): Update propagate_deps call.
4740 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4742 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4744 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4746 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4747 (cpp_handle_option): Handle them.
4748 (cpp_post_options): Ensure one of -M or -MM is specified with
4749 any other -M? option.
4750 (init_dependency_output): Suppress output with -MG.
4752 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4755 * invoke.texi: Update.
4757 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4759 * sh.md (reload_outsf): Generate recognizable patterns for
4762 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4764 * c-lang.c (lang_hooks): Update.
4765 (lang_init): Rename c_init.
4766 (lang_finish): Remove.
4767 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4769 * toplev.h (lang_hooks): Add init () and finish ().
4770 * tree.h (lang_init, lang_finish): Remove.
4771 * cp/tree.h (lang_init, lang_finish): Remove.
4772 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4773 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4775 (lang_init, lang_finish): Remove.
4776 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4777 (lang_hooks): Update.
4778 * java/lang.c (lang_init): Rename java_init.
4779 (lang_finish): Remove.
4780 (lang_hooks): Update.
4781 * objc/objc-act.c (lang_init): Rename objc_init.
4782 (lang_finish): Remove.
4783 (lang_hoooks): Update.
4785 20001-01-09 Graham Stott <grahams@redhat.com>
4787 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4788 after `ptr` is initialised.
4790 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4792 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4793 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4794 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4795 stack adjusts, instead of r3.
4797 2001-01-09 Michael Hayes <mhayes@redhat.com>
4799 * flow.c (flow_loop_scan): Break out of ...
4800 (flow_loops_find) ... here.
4801 * basic-block.h (flow_loop_scan): New.
4802 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4803 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4805 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4807 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4809 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4810 realloc()ing macro_buffer.
4812 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4813 if it's wider than long and the target's long is wider than the
4816 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4818 Remove support for using UWIN as a host machine.
4819 * configure.in: Issue an error message.
4820 * configure: Regenerated.
4821 * config.gcc: Remove xm_* UWIN configury.
4822 * config/i386/xm-uwin.h: Remove.
4824 2001-01-08 Nick Clifton <nickc@redhat.com>
4826 * config/v850/v850.c (ra_rtx): Delete.
4827 (v850_save_machine_status): Delete.
4828 (v850_restore_machine_status): Delete.
4829 (v850_init_machine_status): New function.
4830 (v850_mark_machine_status): New function.
4831 (v850_free_machine_status): New function.
4832 (v850_return_addr): Use ra_rtx field in machine structure.
4833 (v850_init_expanders): Use new functions.
4835 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4836 * config/v850/v850.c: Change arguments to v850_output+* functions
4837 to take a const char *, to avoid compile time warning.
4838 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4839 (USER_LABEL_PREFIX): Redefine.
4841 2000-01-08 Jim Wilson <wilson@redhat.com>
4843 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4844 1 to unsigned HOST_WIDE_INT before left shift.
4846 2001-01-08 Nick Clifton <nickc@redhat.com>
4848 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4849 the machine structure has been allocated.
4850 (arm_free_machine_status): New function: Free the machine
4851 specific function structure.
4853 2001-01-08 Richard Henderson <rth@redhat.com>
4855 * jump.c (simplejump_p): Revert last change.
4857 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4859 * cppinit.c (init): Rename init_library.
4860 (cpp_create_reader): Update.
4861 * gcc.c (cpp_options): If -o given, use it as the target of
4864 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4866 * arm.c (arm_arch5e): New variable.
4867 (all_cores): XScale is a 5TE device.
4868 (arm_override_options): Set arm_arch5e.
4869 (arm_init_builtins): __builtin_prefetch is in arch5e.
4870 * arm.h (arm_arch5e): Declare it.
4872 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4874 * arm.md (define_constants): Add defines for UNSPEC and
4875 UNSPEC_VOLATILE insns. Update all users.
4876 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4877 * arm.c (multi_register_push, note_invalid_constants)
4878 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4879 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4880 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4882 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4884 * jump.c (jump_optimize_1): Use reversed_comparison_code
4885 instead of can_reverse_comparison_p.
4886 (jump_back_p): Likewise.
4887 (invert_exp_1): Likewise.
4888 (thread_jumps): Likewise.
4889 * simplify-rtx.c (simplify_unary_operation): Likewise.
4890 (simplify_ternary_operation): Likewise.
4891 * cse.c (find_comparison_args): Convert to use
4892 can_reverse_comparison_p.
4893 (record_jump_equiv): Likewise.
4895 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4897 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4898 (EPILOGUE_USES): Define.
4899 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4900 automatically stack the LR if it isn't live.
4902 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4904 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4907 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4909 * ggc-page.c (max_alignment): New structure.
4910 (MAX_ALIGNMENT): New macro.
4911 (init_ggc): Use it to round up the sizes in the
4912 extra_order_size_table.
4914 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4916 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4919 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4921 * builtins.def (BUILT_IN_FPRINTF): New entry.
4923 * c-common.c (c_expand_builtin_fprintf): New function.
4924 (init_function_format_info): Handle __builtin_fprintf.
4925 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4926 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4928 * c-decl.c (duplicate_decls): Adjust comment.
4930 * extend.texi (fprintf): Document new builtin.
4932 2001-01-07 Richard Henderson <rth@redhat.com>
4934 * jump.c (simplejump_p): Recognize any single_set jump
4937 2001-01-07 Richard Henderson <rth@redhat.com>
4939 * configure.in (slibdir): Accept an --with-slibdir option.
4940 Use "test" not "[" in configure. Default to $(libdir).
4942 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4944 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4945 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4946 (SHLIB_LINK): Create links for the soname.
4947 * config/mips/t-iris6: Likewise.
4948 * config/sparc/t-slibgcc: Likewise.
4949 * config/sparc/t-slibgcc-sld: Likewise.
4951 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4953 * config/i386/i386.c (constant_call_address_operand): Accept
4954 (const (plus (symbol_ref) (const_int))).
4955 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4956 constant_call_address_operand.
4958 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4960 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4961 and LONG_LONG_TYPE_SIZE > 32.
4963 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4965 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4966 the previous change.
4968 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4970 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4972 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4973 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4974 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4977 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4979 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4981 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4983 * c-lang.c (c_post_options): Call cpp_post_options.
4984 * objc/objc-act.c (objc_post_options): Similarly.
4985 * cppmain.c (main): Similarly.
4986 * fix-header.c (read_scan_file): Similarly.
4987 * cppinit.c (cpp_start_read): Move option consistency checks
4988 to cpp_post_options. Don't call init_dependency_output.
4989 If needed, add default target and main file dependency.
4990 (OPT_MD, OPT_MMD): Remove.
4992 (cpp_handle_option): Update for OPT_* changes.
4993 (cpp_post_options): New.
4994 (init_dependency_output): Command line -MF overrides environment
4995 variables. Don't set default target etc. Suppress output
4996 if dependencies are going to stdout.
4997 (print_help): Update.
4998 * cpplib.h (cpp_post_options): New.
4999 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5001 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5003 * jump.c (comparison_dominates_p): Support unordered compares.
5005 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5007 * simplify-rtx.c (simplify_relational_operation): Always simplify
5008 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5011 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5013 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5014 (nonzero_bits): Likewise.
5015 (simplify_comparison): Likewise.
5016 (num_sign_bit_copies): Likewise; return more sane value depending
5017 on STORE_FLAG_VALUE.
5018 (known_cond): Do not assume EQ to be always true for equivalent
5021 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5023 * cse.c (fold_rtx): Handle unordered comparisons.
5025 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5027 * rtlanal.c (set_of_1): New static function.
5028 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5029 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5030 reg_set_last_last_regno): Remove.
5031 (set_of): New global function.
5032 (set_of_data): New structure.
5033 (reg_set_p, reg_set_last): Revamp for set_of.
5034 * rtl.h (set_of): New.
5036 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5038 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5039 * extend.texi: Document _Exit builtin.
5041 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5043 * (initialize, initialize_builtins,
5044 initialize_dependency_output, initialize_standard_includes):
5045 Rename s/initialize/init. Update.
5046 (init_dependency_output): Move to after
5047 cpp_handle_options, the correct location temporally at least.
5048 (opt_comp): Move next to init (), its caller. Fix prototype.
5049 (init): Make "initialized" local scope.
5050 (cpp_create_reader): Always call init ().
5051 (cpp_start_read): Update.
5052 (output_deps): New function, broken out of cpp_finish.
5053 (cpp_finish): Break out output_deps.
5055 2001-01-07 Richard Henderson <rth@redhat.com>
5057 * collect2.c (COFF specific stuff): Revert 12-06 patch
5058 to prototype system functions.
5060 2001-01-07 Michael Hayes <mhayes@redhat.com>
5062 * hard-reg-set.h: Add multiple include guard.
5063 * basic-block.h (struct loop): Add `sink' field.
5064 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5065 (emit_iv_add_mult): Delete.
5066 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5067 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5068 (unroll_loop): Remove end_insert_before argument.
5069 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5070 (maybe_eliminate_biv_1): Likewise.
5071 (emit_iv_add_mult): Delete.
5072 (gen_add_mult, loop_regs_update): New.
5073 (loop_insn_emit_after, loop_insn_emit_before): New.
5074 (loop_insn_sink, loop_insn_sink_or_swim): New.
5075 (emit_iv_add_mult): Delete.
5076 (scan_loop): Set loop->sink.
5077 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5078 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5079 (maybe_eliminate_biv_1): Likewise.
5080 (maybe_eliminate_biv_1): Add basic block argument.
5081 * unroll.c (unroll_loop): Remove end_insert_before argument.
5082 (find_splittable_regs): Likewise.
5083 (find_splittable_regs): Use loop_insn_sink and its ilk.
5084 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5086 2001-01-07 Michael Hayes <mhayes@redhat.com>
5088 * loop.h (loop_insn_hoist): New prototype.
5089 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5090 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5091 (check_dbra_loop, load_mems): Likewise.
5092 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5093 (find_splittable_givs): Likewise.
5095 2001-01-07 Michael Hayes <mhayes@redhat.com>
5097 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5099 2001-01-07 Richard Henderson <rth@redhat.com>
5101 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5103 2001-01-07 Richard Henderson <rth@redhat.com>
5105 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5106 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5107 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5108 variant that handles a shared libgcc.
5109 (process_command): Always validate -{static,shared}-libgcc.
5110 (do_spec_1): New 'M' case.
5111 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5113 2001-01-07 Richard Henderson <rth@redhat.com>
5115 * Makefile.in (slibdir): New variable.
5116 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5117 (installdirs): Create slibdir.
5118 (install-libgcc, install-multilib): Defer to libgcc.mk.
5119 * configure.in (slibdir): Substitute.
5120 * mklibgcc.in (install): New target.
5122 * config/t-linux (SHLIB_LINK): Create links for the soname.
5123 (SHLIB_INSTALL): New.
5124 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5125 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5126 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5127 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5128 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5130 2001-01-07 Richard Henderson <rth@redhat.com>
5132 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5133 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5134 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5136 2001-01-07 Michael Hayes <mhayes@redhat.com>
5138 * loop.c (count_loop_regs_set): Delete.
5139 (load_mems_and_recount_loop_regs_set): Delete.
5140 (loop_regs_scan): Merge common code from count_loop_regs_set,
5141 scan_loop, and load_mems_and_recount_loop_regs_set.
5142 (scan_loop): Call load_mems directly and loop_regs_scan
5143 again if new registers created.
5145 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5147 * toplev.c (main): Call the front-end specific post_options
5148 hook if one is given.
5149 * toplev.h (struct_lang_hooks, lang_hooks): New.
5150 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5151 for the C front end.
5152 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5153 lang_hooks for the C++ front end.
5154 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5155 lang_hooks for the ObjC front end.
5156 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5157 * java/lang.c (lang_hooks): Hooks for the Java front end.
5159 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5161 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5162 for verbose DWARF[2] debugging.
5163 (cb_define, cb_undef): The new callbacks.
5164 * toplev.h (debug_define, debug_undef): Make const correct.
5165 * toplev.c (debug_define, debug_undef): Similarly. Do not
5166 perform the verbosity tests here anymore.
5168 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5170 * reload.c (subst_reloads): Take INSN argument. When
5171 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5172 * reload.h (subst_reloads): Adjust prototype.
5173 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5174 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5175 present in JUMP_INSNs and copy them to JUMP_LABEL.
5176 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5177 JUMP_INSNs and insns with REG_LABELs that are followed by
5178 JUMP_INSNs with the same REG_LABEL.
5179 * sched-rgn.c (is_cfg_nonregular): Likewise.
5180 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5182 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5184 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5186 2001-01-06 Richard Henderson <rth@redhat.com>
5188 * loop.c (scan_loop): Use xcalloc for the regs array.
5189 (load_mems_and_recount_loop_regs_set): Zero the new memory
5190 received from xrealloc.
5192 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5194 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5196 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5198 * integrate.c (copy_rtx_and_substitute): When copying
5199 an ignored return value, strip REG_FUNCTION_VALUE_P.
5201 2001-01-06 Michael Hayes <mhayes@redhat.com>
5203 * loop.c (debug_biv, debug_giv): New.
5204 (loop_biv_dump): Break out from ...
5205 (record_biv): ... here.
5206 (loop_giv_dump): Break out from ...
5207 (record_giv): ... here.
5208 (loop_bivs_check): Use print_simple_rtl.
5209 * unroll.c (loop_iterations): Use print_simple_rtl.
5211 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5213 * pa.md (return, return_internal): Modify patterns to prevent regrename
5214 mucking with the return pointer.
5216 2001-01-05 Richard Henderson <rth@redhat.com>
5218 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5220 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5222 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5223 version supplied by Matteo Frigo.
5225 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5227 * cpp.texi: Update for -MQ.
5228 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5229 (cpp_cleanup): Always free pfile->deps.
5230 (initialize_dependency_output): Don't create pfile->deps.
5231 (cpp_handle_option): Similarly.
5233 * gcc.c (cpp_options): Handle -MQ.
5234 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5235 * mkdeps.c (base_name): Remove.
5236 (deps_init): Don't allocate vector space until it's needed.
5237 (deps_free): Only free vectors if allocated.
5238 (deps_add_target, deps_add_dep): Update for initial allocation.
5239 (deps_add_default_target): Don't strip to the base_name.
5241 2001-01-05 DJ Delorie <dj@redhat.com>
5243 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5244 (INIT_EXPANDERS): Define.
5246 * config/v850/v850.c (struct machine_function): Define.
5247 (v850_save_machine_status): New function.
5248 (v850_restore_machine_status): New function.
5249 (v850_return_addr): New function.
5250 (v850_init_expanders): New function.
5252 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5253 and v850_init_expanders.
5255 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5257 * cpplib.h (struct cpp_reader): Add help_only field.
5258 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5259 (cpp_handle_option): Set pfile->help_only if we see -h,
5260 --help, -target-help, or --version. Print version string but
5261 do not set help_only if we see -v or -version. Make text
5262 printed by -v match that printed by (-)-version.
5264 * cppmain.c (main): Exit after option parsing if
5265 pfile->help_only is true.
5267 * toplev.c (independent_decode_option): Call print_version,
5268 then exit, if we see --version (but not -version).
5269 (print_version): Split lengthy message into two lines.
5271 2001-01-05 Nick Clifton <nickc@redhat.com>
5273 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5274 temporary string for initialisation before calling ggc_alloc_string.
5276 2001-01-06 Michael Hayes <mhayes@redhat.com>
5278 * rtl.h (print_simple_rtl): New.
5279 * print-rtl.c (print_simple_rtl): New.
5281 (print_rtx): Disable printing of flags and modes, etc.,
5282 if `flag_simple` nonzero.
5284 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5286 * function.c (fixup_var_refs): Use push_to_full_sequence where
5289 2001-01-05 Michael Meissner <meissner@redhat.com>
5291 * flags.h (flag_reorder_blocks): Add declaration.
5292 (flag_rename_block): Ditto.
5294 2001-01-05 DJ Delorie <dj@redhat.com>
5296 * function.c (reorder_blocks): Make sure the flags are all reset
5297 before using them to mark blocks, else a second invocation will
5298 corrupt the block chain.
5299 (reorder_blocks_0): New, resets the flags.
5301 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5303 * cse.c (find_comparison_args): Stop if the argument is known to
5306 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5308 * config/sh/sh.md (movdf): When splitting load into pair of
5309 registers, don't clobber the register used in the address too
5312 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5314 * varasm.c (mark_constant_pool): Improve initial comments.
5315 (mark_constants): Move marking of constants to mark_constant.
5316 (mark_constant): New function to recursively mark all constants
5317 referred to by a constant.
5319 2001-01-05 Catherine Moore <clm@redhat.com>
5321 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5323 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5325 * cp/lang-options.h: Bring comment in line with reality.
5326 * f/lang-options.h: Likewise.
5327 * java/lang-options.h: Likewise.
5328 * objc/lang-options.h: Likewise.
5329 * ch/lang-options.h: Likewise.
5330 * f/g77.texi: And update the manual.
5332 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5333 Denis Chertykov <denisc@overta.ru>
5335 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5336 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5337 * config/avr/avr.md (all peepholes that request a scratch register):
5338 Call it, FAIL the peephole if not safe (in interrupt functions).
5340 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5342 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5344 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5346 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5348 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5349 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5350 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5351 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5352 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5354 * extend.texi: Document these builtins.
5356 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5358 * c-common.c (lang_get_alias_set): Say we know nothing of
5359 VECTOR_TYPE aliasing.
5361 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5363 2001-01-05 Bruce Korb <bkorb@gnu.org>
5365 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5366 their x* equivalent versions for atexit-less systems
5367 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5368 systems (or any other system any more).
5370 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5372 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5373 output operands. Use arm_hard_register_operand for operand 4.
5374 (stmsi_postinc): Similarly.
5375 (ldmsi): Use arm_hard_register_operand for opernand 2.
5377 * arm.c (arm_hard_register_operand): New function.
5378 * arm-protos.h (arm_hard_register_operand): Prototype it.
5380 * arm.h (HARD_REGNO_RENAME_OK): Define.
5382 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5384 * simplify-rtx.c (cfc_args): add "unordered" field.
5385 (check_fold_consts): Set unordered field.
5386 (simplify_relational_operation): Simplify the unordered
5389 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5392 * emit-rtl.c (try_split): Fix code to mark labels.
5393 * jump.c (mark_jump_label): Make global.
5394 * rtl.h (mark_jump_label): Declare.
5396 * predict.c (estimate_probability): Handle unordred comparisons.
5398 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5400 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5401 * cppinit.c (initialize_dependency_output): Update.
5402 (cpp_finish): Output dummy targets for -MP.
5404 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5405 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5406 * gcc.c (cpp_options): Update to handle -MP.
5407 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5408 to quote only the default target.
5409 (deps_phony_targets): Insert a preceding newline. Rename from
5410 deps_dummy_targets for consistency.
5413 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5415 * calls.c (emit_library_call_value_1): Support
5416 INIT_CUMULATIVE_LIBCALL_ARGS.
5417 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5419 2001-01-04 Richard Henderson <rth@redhat.com>
5421 * c-decl.c (finish_struct): Detect flexible array members
5422 used in an inappropriate context.
5423 * c-typeck.c (really_start_incremental_init): Special case
5424 constructor_max_index for zero length arrays.
5425 (pop_init_level): Allow initialization of flexible array
5426 members. Deprecate initialization of zero length arrays.
5427 Don't issue missing initializer warning for flexible array
5428 members or zero length arrays.
5429 (process_init_element): Don't dereference null DECL_SIZE.
5430 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5431 Don't abort for empty constructors. Use size_binop
5432 (output_constructor): Add commentary regarding zero length
5433 array futures. Abort if we try to initialize an array of
5434 unspecified length with a non-empty constructor in the middle
5437 * extend.texi (Zero Length): Update and clarify documentation
5438 on static initialization.
5440 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5442 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5443 with more than 32767 words of local storage.
5445 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5447 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5448 for 'abs', 'labs', and 'fabs'.
5449 (c4x_expand_builtin): Likewise.
5450 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5452 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5454 * config/sh/sh.md (prget, prset): New insn types.
5455 (return delay slot): Dont' allow prset.
5456 (call, sfunc delay slot): Don't allow prget.
5457 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5458 for prset and prget.
5460 2001-01-05 Michael Hayes <mhayes@redhat.com>
5462 * loop.h (struct loop_reg): New.
5463 (struct loop_regs): Change to use array of `struct loop_reg'.
5464 * loop.c: Replace assortment of varrays with single regs array.
5465 (count_one_set): Delete may_not_move array argument
5466 and use regs array instead. All caller's changed.
5467 (count_loop_regs_set): Delete may_not_move and single_usage
5468 arguments and use regs array instead. All caller's changed.
5469 (find_single_use_in_loop): Replace usage array argument with pointer
5470 to regs structure. All caller's changed.
5471 (loop_optimize): Delete `moved_once' array.
5473 2001-01-05 Michael Hayes <mhayes@redhat.com>
5475 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5476 Use it instead of loop_info->has_call for scanning loop mems.
5477 (check_dbra_loop): Replace loop_info->has_call test with
5478 loop_info->has_nonconst_call.
5480 2000-01-04 Matthew Hiller <hiller@redhat.com>
5482 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5485 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5487 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5488 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5490 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5492 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5493 (flag_short_double, flag_short_wchar): Define.
5494 (c_common_nodes_and_builtins): Create many tree nodes shared
5495 between C and C++ here instead of in cp/decl.c and ...
5496 * c-decl.c (init_decl_processing): ... here.
5497 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5498 (flag_short_double, flag_short_wchar): Don't define.
5499 (record_builtin_type): New function.
5500 (build_void_list_node): New function.
5501 * c-common.h (flag_short_double, flag_short_wchar,
5502 record_builtin_type, build_void_list_node): Declare.
5504 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5506 * integrate.c (expand_inline_function): Don't put a virtual
5507 register into the reg map.
5509 * function.c (fixup_var_refs_1): If force_operand didn't put
5510 the address into the target, move it there.
5512 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5514 Special-case tree_decl/tree_list allocations.
5515 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5516 (OBJECT_SIZE): New macro.
5517 (NUM_EXTRA_ORDER): Likewise.
5518 (extra_order_size_table): New variable.
5519 (NUM_ORDERS): New macro.
5520 (objects_per_page_table): New variable.
5521 (object_size_table): New variable.
5522 (G.pages): Use NUM_ORDERS to bound the array.
5523 (G.page_tails): Likewise.
5524 (DIV_ROUND_UP): Remove.
5525 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5526 (alloc_page): Use OBJECT_SIZE.
5527 (size_lookup): Don't make it const.
5528 (ggc_alloc): Use OBJECT_SIZE.
5529 (ggc_set_mark): Likewise.
5530 (ggc_get_size): Likewise.
5531 (init_ggc): Set up the object_size_table, objects_per_page_table,
5532 and adjust size_lookup.
5533 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5534 (ggc_pop_context): Use NUM_ORDERS.
5535 (clear_marks): Likewise.
5536 (sweep_pages): Likewise.
5537 (poison_pages): Likewise.
5538 (ggc_print_statistics): Use OBJECT_SIZE.
5540 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5542 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5543 Only call array_size_for_constructor if last field and array type
5544 with no upper bound.
5546 2001-01-04 Philip Blundell <philb@gnu.org>
5548 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5549 from bit 31 downwards, if this requires no more insns.
5550 (count_insns_for_constant): New helper function for above.
5552 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5554 * gencodes.c (output_predicate_decls): Remove empty initializer.
5556 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5558 * tree.c (copy_node): Remove documentation about obstacks.
5559 (buidl1): Check that nobody tries to build 2-argument nodes this
5562 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5564 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5567 * gencodes.c (output_predicate_decls): Fill empty initializer
5570 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5572 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5573 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5575 (do_include): Handle missing headers like cpp0.
5576 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5577 paths with first include pathname. Don't strcat to uninitialized
5580 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5582 * regrename.c (regrename_optimize): Don't rename from frame pointer
5583 if frame_pointer_needed.
5584 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5585 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5586 (ia64_reorg): Use it instead of scheduling if ! optimize.
5587 (errata_emit_nops): Properly call asm_noperands.
5588 (ia64_sched_reorder): Finish cycle if we see an asm.
5589 (ia64_variable_issue): Clear scheduling state after asms.
5591 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5593 * cpp.texi: Update for -MT.
5594 * cppinit.c (initialize_dependency_output): Add a default
5595 target if none has been given already.
5596 (no_tgt, OPT_MT): New.
5597 (cpp_handle_option): Handle -MT. Update -M etc.
5598 * cpplib.h (struct cpp_options): Remove deps_target.
5599 * gcc.c (cpp_options): Handle -MT.
5600 * mkdeps.c (struct deps): Move from mkdeps.h.
5601 (deps_calc_target): Rename deps_add_default_target. Add a
5602 default target if none has been specified already.
5603 * mkdeps.h (struct deps): Move to mkdeps.c.
5604 (deps_calc_target): Rename deps_add_default_target.
5606 2000-01-03 Richard Henderson <rth@redhat.com>
5608 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5610 * c-typeck.c (push_init_level): Move checks for flexible array
5611 members and zero length arrays ...
5612 (pop_init_level): ... here. Silently discard empty initializations.
5614 * varasm.c (output_constructor): Update for sizeof change to
5617 * extend.texi (Zero Length): Clarify semantics.
5619 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5621 * configure.in (tm.h): Include isns-codes.h last.
5622 * configure: Rebuilt.
5624 2001-01-03 Richard Henderson <rth@redhat.com>
5626 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5627 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5629 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5631 * tradcpp.c (main): Make sure finclude() is called with a valid
5632 indepth value while handling -include.
5634 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5636 * gencodes.c (output_predicate_decls): New function.
5638 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5639 even if it is not the first time machmode.h is #included.
5640 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5641 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5642 * gcc.texi (Copyright): Added 2001.
5644 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5646 * c-common.c (c_common_lang_init): New function. Warn if format
5647 warning options which only have effects when used with -Wformat
5648 are used without -Wformat.
5649 * c-common.h (c_common_lang_init): Declare.
5650 * c-lang.c (lang_init): Call c_common_lang_init.
5651 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5653 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5655 * configure.in: Check for the mktemp command.
5656 * configure: Regenerate.
5657 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5658 $TEMP. Create temporary files with mktemp, if available at
5659 configure time; otherwise use set -C. Remove temporary files
5662 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5664 * configure.in: Require at least texinfo 4.0. Check for whether
5665 Pod::Man is sufficiently recent to regenerate GCC manpages.
5666 * configure: Regenerate.
5667 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5669 (GENERATED_MANPAGES): Define.
5670 (generated-manpages): New target. Depend on cpp.1 as well as
5672 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5673 configure to generated-manpages or empty) rather than on the
5674 manpages directly. Remove execute permission from installed
5675 gcov.1 as well as cpp.1.
5676 * cpp.1, gcov.1: Regenerate.
5678 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5680 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5681 tree_low_cst. Allow using cmpstrsi in more cases.
5683 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5685 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5688 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5690 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5691 * Makefile.in (HOST_CFLAGS): Mention build-make.
5693 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5695 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5698 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5700 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5703 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5706 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5707 reg_base_value and reg_known_value arrays.
5708 (init_alias_analysis): Add more cases to detect known values.
5709 * sched-deps.c (deps_may_trap_p): New function.
5710 (sched_analyze_2): Use it.
5712 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5714 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5715 don't discard an ASHIFTRT if we're shifting in a wider mode.
5717 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5719 * toplev.c (rest_of_compilation): Don't print basic block information
5720 when CFG isn't up to date.
5722 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5724 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5725 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5726 (UNALIGNED_SHORT_ASM_OP): Define.
5727 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5729 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5731 * fold-const.c (fold_convert): Fix typo.
5733 2001-01-02 Richard Henderson <rth@redhat.com>
5735 * c-common.h (ASM_INPUT_P): New.
5736 * c-parse.in (asm): Set it when needed.
5737 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5738 existance of an operand.
5740 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5742 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5743 (dwarf2out_frame_debug_expr): Likewise.
5744 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5746 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5748 * i386.c (ix86_split_to_parts): Return number of part required;
5750 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5752 (ix86_split_long_move): Use number of part returned
5753 by ix86_split_to_parts
5754 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5756 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5757 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5758 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5759 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5760 (ALIGN_MODE_128): Add TFmode.
5761 (IS_STACK_MODE): Likewise.
5762 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5763 (HARD_REGNO_OK): Support TFmodes.
5764 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5765 * i386.md (scheduler definitions): Use memory operand to determine
5766 fst/fld instructions; use mode attribute to determine real mode of
5768 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5769 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5771 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5773 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5775 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5777 * expr.c (store_constructor_field): Update ALIGN before calling
5780 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5782 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5785 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5787 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5790 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5792 * c-decl.c (start_function): Don't warn on third parameter to main.
5794 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5796 * tsystem.h: Define HAVE_DECL_GETOPT.
5798 2001-01-02 Philip Blundell <pb@futuretv.com>
5800 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5803 2001-01-02 Richard Henderson <rth@redhat.com>
5805 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5807 2001-01-02 Andreas Jaeger <aj@suse.de>
5809 * c-decl.c (c_decode_option): Remove support of
5812 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5813 (W_options): Add -Wmissing-noreturn here.
5815 * flow.c: Define lang_missing_noreturn_ok_p.
5816 (check_function_return_warnings): Use it.
5818 * c-common.h: Declare lang_missing_noreturn_ok_p.
5820 * c-lang.c (c_missing_noreturn_ok_p): New function.
5821 (lang_init): Set lang_missing_noreturn_ok_p.
5823 * invoke.texi (Warning Options): Document this.
5825 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5827 * extend.texi (C++ Extensions): New node for C++ attributes;
5828 describe init_priority and com_interface.
5829 * invoke.texi: Remove -finit-priority as it now has zero effect.
5830 * install.texi: Fix xref syntax.
5831 * md.texi: Likewise.
5833 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5835 * config.gcc (sparc64-wrs-vxworks*): New case.
5836 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5838 * config/sparc/sparc.c (sparc_override_options): Do support different
5839 pointer and architecture size.
5840 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5841 (POINTERS_EXTEND_UNSIGNED): Define.
5842 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5843 (FUNCTION_MODE): Define to be Pmode.
5844 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5846 * function.c (expand_function_end): Properly handle DECL_RESULT
5847 and copy when ptr_mode != Pmode.
5848 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5850 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5852 * c-common.c (c_common_nodes_and_builtins): Set prototype
5853 parameters for __builtin_fputs, __builtin_fputc and
5854 __builtin_fwrite. Don't declare plain fputc as a builtin.
5856 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5858 * loop.c (add_label_notes): Increment the label usage count when
5859 a note is added to an insn which refers to a CODE_LABEL.
5860 * gcse.c (add_label_notes): Likewise.
5862 2001-01-01 Andreas Jaeger <aj@suse.de>
5864 * loop.c (scan_loop): Use xmalloc to allocate movables.
5866 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5868 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5869 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5870 * reload1.c (REGISTER_MOVE_COST): Likewise.
5871 * regclass.c (REGISTER_MOVE_COST): Likewise.
5872 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5873 dimension. Adjust all users.
5874 (init_reg_sets_1): Iterate on all modes.
5875 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5876 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5877 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5878 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5879 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5880 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5881 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5882 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5883 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5884 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5885 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5886 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5887 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5888 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5889 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5890 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5891 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5892 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5893 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5894 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5895 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5896 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5897 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5898 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5899 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5900 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5901 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5903 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5905 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5906 arg VARIES_P. Call it with extra arg.
5907 (true_dependence): Likewise.
5908 * rtl.h (rtx_addr_can_trap_p): Declare.
5909 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5911 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5912 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5913 pic offset table register if it's zero. All callers changed.
5914 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5916 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5918 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5919 STRING_POOL_ADDRESS_P.
5921 * config/sparc/sparc.c (input_operand): Properly test for short op.
5923 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5924 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5925 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5926 * config/sparc/elf.h: No longer include sol2.h.
5927 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5928 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5930 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5932 2001-01-01 Michael Hayes <mhayes@redhat.com>
5934 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5935 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5936 (record_initial): Likewise.
5937 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5938 (remap_split_bivs): Likewise.
5940 2001-01-01 Michael Hayes <mhayes@redhat.com>
5942 * loop.c (loop_ivs_free): New function.
5943 (strength_reduce): Break out from...
5945 2001-01-01 Michael Hayes <mhayes@redhat.com>
5947 * loop.h (struct iv): New.
5948 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5949 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5950 'reg_biv_class' fields with 'regs' and 'n_regs'.
5951 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5952 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5953 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5955 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5957 * resource.c (mark_referenced_resources): Abort() before
5958 attempting to mark a pseudo register.
5959 (mark_set_resources): Likewise.
5961 2001-01-01 Michael Hayes <mhayes@redhat.com>
5963 * loop.h (REG_IV_CLASS): New accessor macro.
5964 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5965 * unroll.c (REG_IV_CLASS): Likewise.
5967 See ChangeLog.4 for earlier changes.
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