1 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
3 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
4 independent on TARGET_FLAGS.
6 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
8 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
9 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add extended ones.
10 (CONDITIONAL_REGISTER_USAGE): Set proper values according to TARGET_64BIT.
11 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG, LAST_REX_SSE_REG):
13 (enum reg_class): Add 'LEGACY_REGS'
14 (REG_CLASS_CONTENTS): Likewise; add extended registers.
15 (SSE_REGNO_P): Recognize extended registers.
16 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
17 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
18 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P, REG_OK_FOR_BASE_NONSTRICT_P):
19 Recognize REX registers.
20 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
21 REG_OK_FOR_STRREG_P): Remove.
22 (HI_REGISTER_NAMES): Add extended registers.
23 (ADDITIONAL_REGISTER_NAMES): Likewise.
24 (QI_REGISTER_NAMES): Add 8bit extended registers.
25 (DEBUG_REG): Support extended registers.
26 * i386.c (regclass_map): Add extended registers.
27 (dbx_register-map): Likewise.
28 (svr4_dbx_register_map): Likewise.
29 (print_reg): Support extended registers.
30 (print_operand): Support 64bit operands.
32 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
34 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
35 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
36 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
37 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
38 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
39 STACK_BOUNDARY): Set properly for 64bits.
40 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
41 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
42 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
43 (MOVE_MAX): Set to 16.
44 (MOVE_MAX_PIECES): 8 for 64bit.
45 (Pmode): Set to SImode.
47 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
49 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
51 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
53 * i386.h (mask_64bit): New constant.
54 (target_64bit): New macro.
55 (target_options): Add '64'/'32'
56 (target_default): Define.
57 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
58 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
59 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
61 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
63 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
65 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
67 * rtlanal.c (rtx_varies_p): Check operand 0 of a
68 LO_SUM unless for_alias is set.
70 2001-03-08 Stan Shebs <shebs@apple.com>
72 * objc/objc-act.c: Fix old typos in comments, add comments for
74 (hash_init): Fix file name in error message.
76 (hash_add_attr): Ditto.
77 (continue_class): Ditto.
79 2001-03-08 Bruce Korb <bkorb@gnu.org>
81 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
82 wiat4() can receive the signal.
84 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
86 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
88 * fixinc/fixincl.x: Regenerate.
90 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
92 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
94 * fixinc/fixincl.x: Regenerate.
96 2001-03-08 Richard Henderson <rth@redhat.com>
98 * configure.in (HAVE_AS_LEB128): New assembler check.
99 * configure, config.in: Rebuilt.
101 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
103 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
106 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
108 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
109 references to the MAXPATHLEN macro.
111 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
112 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
115 * config/i386/xm-gnu.h, config/xm-gnu.h,
116 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
117 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
118 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
121 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
122 doing so in various xm-*.h files.
124 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
126 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
128 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
130 * configure.in (enable_shared): Support per-package shared-library
132 * configure: Rebuilt.
134 2001-03-07 David Edelsohn <edelsohn@gnu.org>
136 * rs6000.md (cr logic): Add original POWER mnemonic alternative
137 for crnot. Set operands[5] in splitter.
139 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
141 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
142 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
143 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
144 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
145 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
146 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
147 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
150 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
151 config/i370/xm-i370.h, config/i386/xm-dgux.h,
152 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
153 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
154 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
155 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
156 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
157 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
158 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
159 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
160 Delete unused and/or empty files.
162 * config.gcc: Define USG in xm_defines as appropriate. Define
163 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
164 macro. Remove deleted xm-* files from $xm_files variable.
166 2001-03-07 Tom Tromey <tromey@redhat.com>
168 * configure: Rebuilt.
169 * configure.in: Allow config-lang.in to set `lang_requires' to list
170 of other required languages.
172 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
174 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
176 (output_prologue): Use xmalloc not oballoc.
177 (output_epilog): Free a29k_first_epilogue_insn when finished.
178 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
180 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
182 * builtins.c (expand_builtin_mathfn): Check
183 flag_unsafe_math_optimizations, not flag_fast_math.
184 (expand_builtin): Likewise
185 * combine.c (combine_simplify_rtx): Likewise.
186 (simplify_if_then_else): Likewise.
187 * cse.c (fold_rtx): Likewise.
188 * flags.h: Remove flag_fast_math. Add
189 flag_unsafe_math_optimizations and flag_trapping_math.
190 * fold-const.c (negate_expr): Check
191 flag_unsafe_math_optimizations, not flag_fast_math.
192 (invert_truthvalue): Likewise.
193 (fold): Likewise. Before associating operands, check that
194 code == MULT_EXPR, not code != MULT_EXPR.
195 * ifcvt.c (noce_try_minmax): Check
196 flag_unsafe_math_optimizations, not flag_fast_math.
197 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
198 * invoke.texi: Document -funsafe-math-optimizations and
199 -fno-trapping-math. Change documentation for -ffast-math.
200 * jump.c (reversed_comparison_code_parts): Likewise.
201 (rtx_equal_for_thread_p): Likewise.
202 * optabs.c (emit_conditional_move): Likewise.
203 * simplify-rtx.c (simplify_binary_operation): Likewise.
204 (simplify_relational_operation): Likewise.
205 (simplify_ternary_operation): Likewise.
206 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
207 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
208 Add trapping-math and unsafe-math-optimizations entries to f_options.
209 (set_fast_math_flags): New, sets flags for -ffast-math.
210 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
211 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
212 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
214 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
215 (alpha_emit_conditional_move): Initialize local_fast_math to
216 flag_unsafe_math_optimizations, not flat_fast_math.
217 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
218 instead of setting flag_fast_math to 1.
219 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
221 * config/i386/i386.c (override_options): Likewise
222 * config/i386/i386.md: Likewise.
223 * config/m68k/m68k.md: Likewise.
224 * config/mips/mips.md: Likewise.
225 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
226 (rs6000_generate_compare): Likewise.
228 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
230 * Makefile.in: Set RANLIB to @RANLIB@.
233 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
235 * fixinc/inclhack.def (djgpp_wchar_h): New test.
236 * fixinc/fixincl.x: Regenerated.
238 2001-03-07 Richard Henderson <rth@redhat.com>
240 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
242 2001-03-07 Richard Henderson <rth@redhat.com>
244 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
245 of block notes and exception handling notes.
247 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
248 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
249 (compile_file): ... here.
251 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
253 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
255 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
256 config.h now. Include libiberty.h to handle alloca.
258 2001-03-06 Zack Weinberg <zackw@stanford.edu>
260 * c-parse.in (yylexname): New function, split out of _yylex.
261 (objc_rid_sans_at): New table.
262 (init_reswords): Initialize it.
263 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
264 retrieving the next token and checking it for significance as
265 an ObjC keyword or string constant.
267 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
268 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
270 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
273 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
275 * config/m68k/m68k.c (const_uint32_operand): Accept any
276 const_int on a 32-bit host.
278 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
280 * objc/objc-act.c (init_objc): Set save_lang_status,
281 restore_lang_status, and mark_lang_status.
283 2001-03-06 Krister Walfridsson <cato@df.lth.se>
285 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
287 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
289 * cppinternals.texi: Update.
291 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
293 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
294 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
295 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
296 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
297 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
298 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
299 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
300 config/i386/xm-i386.h, config/i860/xm-i860.h,
301 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
302 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
303 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
304 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
305 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
306 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
307 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
308 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
309 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
310 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
311 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
312 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
313 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
314 match the defaults provided in hwint.h.
316 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
317 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
319 * config.gcc (xm_file): Don't set to files which are deleted.
321 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
322 guard this file against these macros being undefined.
324 2001-03-06 Zack Weinberg <zackw@stanford.edu>
326 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
327 and DECL_DEFER_OUTPUT on the decl we create, before calling
328 rest_of_decl_compilation.
330 2001-03-06 Zack Weinberg <zackw@stanford.edu>
332 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
334 * configure, config.in: Regenerate.
335 * config.gcc: Remove references to deleted files.
337 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
338 genrecog.c, rtl.c: Do not use alloca anywhere.
340 * Makefile.in, build-make, system.h, config/x-interix,
341 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
342 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
343 config/arc/xm-arc.h, config/arm/xm-arm.h,
344 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
345 config/h8300/xm-h8300.h, config/i370/x-oe,
346 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
347 config/i386/x-ncr3000, config/i386/x-sco5,
348 config/i386/xm-dgux.h, config/i860/x-sysv4,
349 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
350 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
351 config/m68k/x-hp320g, config/m69k/x-mot3300,
352 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
353 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
354 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
355 config/m88k/x-sysv4, config/m88k/x-tekXD88,
356 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
357 config/mips/x-iris, config/mips/x-iris3,
358 config/mips/x-sni-svr4, config/mips/x-sysv,
359 config/mips/xm-iris6.h, config/mips/xm-mips.h,
360 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
361 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
362 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
363 config/pa/xm-papro.h, config/romp/xm-romp.h,
364 config/rs6000/x-aix31, config/rs6000/x-aix41,
365 config/rs6000/x-beos, config/rs6000/x-lynx,
366 config/rs6000/x-mach, config/rs6000/x-rs6000,
367 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
368 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
369 config/sparc/x-sysv4, config/sparc/xm-linux.h,
370 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
371 config/vax/xm-vms.h: Eradicate all references to alloca and
374 * config/xm-alloca.h, config/clipper/x-clix,
375 config/i386/xm-sysv4.h, config/i860/x-fx2800,
376 config/i860/x-sysv3, config/m88k/x-sysv3,
377 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
378 (contained only alloca related hacks).
380 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
383 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
385 * invoke.texi: Document __FAST_MATH__.
387 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
389 * crtstuff.c: Restore include of auto-host.h.
391 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
393 Put main() in a separate file, so that the language
394 front-end can use a different main().
397 * toplev.c: (main): Rename as toplev_main.
398 * toplev.h: Declare toplev_main.
399 * Makefile.in (OBJS): add toplev.o.
400 (BACKEND): remove toplev.o, add main.o.
402 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
404 * cppfiles.c (search_from): Special case the empty string.
406 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
408 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
409 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
410 strlen or strcpy; we already know the length.
411 (_cpp_compare_file_date): Similarly.
412 * cpphash.h (struct cpp_reader): Delete done_initialising.
413 (CPP_PREV_BUFFER): Delete.
414 * cppinit.c (cpp_start_read): Don't set done_initialising.
415 * cpplex.c (parse_string): Guarantee null-termination.
416 (_cpp_equiv_toklists): Remove.
417 * cpplib.c (glue_header_name): Null-terminate.
418 (do_line): Don't leak memory.
419 * cpplib.h (BT_WEAK): Delete.
420 * cppmain.c (cb_ident): Strings are now null-terminated.
422 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
424 * gcc.c (convert_filename): Append executable suffix
425 if NO_AUTO_EXE_SUFFIX is not defined.
426 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
427 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
429 2001-03-03 David O'Brien <obrien@FreeBSD.org>
431 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
432 * c-parse.gperf, c-gperf.h: Delete.
433 (c-gperf.h was accidently re-added to the CVS repo in the rev
434 1.16 commit by tromey)
436 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
438 * cpplex.c (_cpp_lex_token): Don't warn about directives in
439 macro arguments when looking for the '('.
440 * cppmacro.c (funlike_invocation_p): Set parsing_args to
441 2 when really parsing arguments; 1 when looking for '('.
442 Always restore the lexer position.
444 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
446 * longlong.h (umul_ppmm): Don't use a multiline string.
448 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
450 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
451 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
452 t_bool in declaration because pcc can't combine volatile with typedef
455 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
457 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
458 until when it is really needed.
459 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
460 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
461 * i386.md (float?i?f splitter): Don't force source operand to memory
463 (sse_movdfcc): Fix constraint.
464 (sse_movdfcc splitter): Handle properly the second alternative.
466 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
468 * cpplex.c (parse_string): Unconditionally pedwarn.
470 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
473 * cppexp.c (parse_number): Update.
474 * cpplex.c (parse_string): Pedwarn if multiline string does not
475 result from a system header's macro.
476 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
477 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
478 for function-like macros too.
479 * c-lex.c (lex_number): Update.
481 2001-03-03 Richard Henderson <rth@redhat.com>
483 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
485 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
487 * combine.c (try_combine): If split with mode-changed scratch
488 register didn't work, try the original mode.
490 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
492 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
493 * config/c4x/c4x.h: Likewise.
494 * stor-layout.c (compute_record_mode): Likewise.
495 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
497 2001-03-02 Zack Weinberg <zackw@stanford.edu>
499 * configure.in: Kill tm.h. Include the files in the $tm_file
500 list in all three of config.h, hconfig.h, tconfig.h, after the
501 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
502 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
503 * configure: Regenerate.
504 * Makefile.in (clean): Don't delete tm.h.
506 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
507 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
508 those are not defined, set SEC and FEC to 0 and 1.
509 * gcc.texi: Update to match.
511 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
512 * config/fp-bit.c, config/m68k/aux-crt2.asm,
513 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
514 Include tconfig.h, not tm.h.
516 * config/xm-lynx.h, config/xm-std32.h,
517 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
518 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
519 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
520 config/clipper/xm-clix.h, config/convex/xm-convex.h,
521 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
522 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
523 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
524 config/i386/xm-i386.h, config/i860/xm-i860.h,
525 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
526 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
527 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
528 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
529 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
530 config/pa/xm-linux.h, config/pa/xm-pa.h,
531 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
532 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
533 config/pj/xm-pj.h, config/romp/xm-romp.h,
534 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
535 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
536 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
537 config/v850/xm-v850.h, config/vax/xm-vax.h,
538 config/we32k/xm-we32k.h:
540 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
542 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
543 config/i370/xm-oe.h: Don't include tm.h. Don't define
545 * config/vax/xm-vms.h: Don't include tm.h.
547 * config/xm-lynx.h, config/avr/xm-avr.h,
548 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
549 Delete; made empty by above changes.
550 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
551 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
552 Don't include config/xm-lynx.h or tm.h.
554 * config/xm-gnu.h: Don't include fcntl.h.
555 * config/sparc/xm-lynx.h: Don't include sys/types.h and
557 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
559 2001-03-02 Richard Henderson <rth@redhat.com>
561 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
562 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
564 2001-03-02 Richard Henderson <rth@redhat.com>
566 * Makefile.in (OBJS): Add dwarf2asm.o.
567 * dwarf2asm.c, dwarf2asm.h: New files.
568 * dwarf2out.c (*): Use them.
569 (size_of_uleb128, size_of_sleb128): Remove.
570 (output_uleb128, output_sleb128): Remove.
571 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
572 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
573 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
574 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
575 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
576 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
577 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
578 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
579 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
580 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
581 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
582 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
583 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
584 (dwarf2out_frame_debug): Remove unused variables.
585 (output_loc_operands): Don't abort on 8 byte constants if
586 host integers are wide enough.
587 (output_symbolic_ref): Remove.
588 (size_of_die): Don't assume 4 byte host integers.
589 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
591 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
592 something stupid with HOST_WIDE_INT to long truncation.
593 [CONST_DOUBLE]: Likewise.
595 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
596 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
597 * config/arm/unknown-elf.h: Likewise.
598 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
599 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
600 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
601 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
602 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
603 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
604 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
605 (ASM_OUTPUT_DWARF_OFFSET): Remove.
606 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
607 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
608 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
609 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
611 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
613 * cselib.c (hash_rtx): Cast enums to unsigned int.
615 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
617 * print-rtl.c (print_rtx): Cast enums to int for comparison.
618 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
620 * c-format.c (C_STD_VER): Cast to int for comparisons.
621 (check_function_format): Cast various enums to int for &.
622 (maybe_read_dollar_number): Likewise.
623 (check_format_info): Likewise.
624 (check_format_info_main): Likewise.
625 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
626 (safe_from_p): Likewise.
627 * varasm.c (const_hash): Cast enum to int for %.
628 * emit-rtl.c (init_emit_once): Use int loop variable to work around
629 pcc enum problems with < and ++ operators.
630 * regclass.c (init_reg_sets_1): Cast enums for comparison.
631 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
632 (regclass_init): Change enum class to int to iterate over reg_classes.
633 * genrecog.c (merge_trees): Cast enums for comparison.
634 * rtl.h (GET_CODE): Cast to enum rtx_code.
635 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
636 (GET_MODE): Cast to enum machine_mode.
637 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
638 (GET_NOTE_INSN_NAME): Cast enum to int.
639 * tree.h (TREE_CODE): Cast to enum tree_code.
640 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
641 * timevar.c (timevar_print): Change loop variable id from enum to
643 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
644 * config/i386/i386.md: Use PUT_MODE for mode assignment.
645 * toplev.c (compile_file): Cast enum DFI to int.
646 (decode_d_option): Likewise.
648 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
650 * cppinit.c (append_include_chain): Mark "after" include file name list
651 as a system directory.
652 * cpp.texi: Document new behavior.
654 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
656 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
658 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
660 * cppfiles.c (struct include_file): Update.
661 (stack_include_file): Use search_from.
662 (cpp_included, find_include_file): Update.
663 (cpp_execute_include): Update. ptr->name may not be
664 null terminated. Use the new search_from member variable
666 (_cpp_compare_file_date): Similarly.
667 (search_from): New function, similiar to actual_directory.
668 (actual_directory): Delete.
669 (remap_filename): Update. loc->name may not be null terminated.
670 (struct file_name_list): Rename search_path. Update.
671 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
673 (struct cpp_reader): Remove actual_dirs.
674 * cppinit.c (struct cpp_pending): Update for renamed objects.
675 (append_include_chain, remove_dup_dir, remove_dup_dirs,
676 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
677 * cpplib.h (struct cpp_options): Similarly.
679 2001-03-01 Zack Weinberg <zackw@stanford.edu>
681 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
682 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
683 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
684 config/clipper/xm-clix.h, config/convex/xm-convex.h,
685 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
686 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
687 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
688 config/i370/xm-linux.h, config/i370/xm-mvs.h,
689 config/i370/xm-oe.h, config/i386/xm-aix.h,
690 config/i386/xm-i386.h, config/i386/xm-osf.h,
691 config/i860/xm-i860.h, config/i960/xm-i960.h,
692 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
693 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
694 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
695 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
696 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
697 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
698 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
699 config/pj/xm-pj.h, config/romp/xm-romp.h,
700 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
701 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
702 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
703 config/v850/xm-v850.h, config/vax/xm-vax.h,
704 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
705 Do not define TRUE or FALSE.
707 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
708 empty by above change.
709 * config.gcc: Remove references to these files.
711 * configure.in: Detect stdbool.h.
712 * configure, config.in: Regenerate.
713 * system.h: Include stddef.h here if available.
714 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
715 Then set up a sensible boolean type at the very end.
717 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
718 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
720 * hash.h: Delete 'boolean' typedef and related #undefs.
722 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
723 all uses of 'boolean' with 'bool'.
725 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
727 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
728 * cppexp.c (lex): Cast enums for comparison.
729 * cppinit.c (parse_option): Cast enum for comparison.
730 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
731 (cpp_output_token): Likewise.
732 (cpp_can_paste): Cast enums for comparsion and plus/minus.
733 (cpp_avoid_paste): Cast enums for minus and comparison.
735 2001-03-01 Zack Weinberg <zackw@stanford.edu>
737 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
738 field to all array elements.
740 2001-03-01 Zack Weinberg <zackw@stanford.edu>
742 * cpphash.h (struct cpp_reader): Add print_version field.
743 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
744 just set print_version and other flags as appropriate.
745 (cpp_post_options): Print version here if print_version is set.
747 * toplev.c (exit_after_options): New flag.
748 (independent_decode_option): Don't exit here; just set
750 (main): Exit after calling lang_hooks.post_options if
751 exit_after_options is true.
753 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
754 (merge_include_chains): Adjust comment to match code.
756 2001-03-01 Zack Weinberg <zackw@stanford.edu>
758 * stringpool.c (set_identifier): New function.
759 * tree.h: Prototype it.
761 * c-parse.in: Kill D_YES. If compiled for objc, call
762 save_and_forget_protocol_qualifiers from init_reswords.
763 * objc/objc-act.c (remember_protocol_qualifiers,
764 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
765 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
767 (save_and_forget_protocol_qualifiers): New function.
768 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
770 2001-03-01 Diego Novillo <dnovillo@redhat.com>
772 * c-semantics.c (prune_unused_decls): Return error_mark_node
773 instead of (tree) 1 to stop traversing the tree chain.
775 2001-03-01 Bernd Schmidt <bernds@redhat.com>
777 Fix a problem introduced by Kenner's Feb 18 change.
778 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
779 flag_cse_skip_blocks only temporarily, not for ever.
781 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
783 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
784 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
786 * pa.c (emit_move_sequence): Verify operand0 is a hard register
787 before determining its register class.
789 2001-03-01 Bernd Schmidt <bernds@redhat.com>
791 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
792 from reg 4 if current_function_calls_setjmp.
793 (gen_nop_type): New function.
794 (ia64_emit_nops): New function.
795 (ia64_reorg): Call it.
796 (ia64_sched_reorder): Move code that rotates bundles up a bit.
798 * reload1.c (eliminate_regs_in_insn): Restrict the special case
799 code not to try to optimize adds with anything but a REG destination.
801 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
802 (INSN_PRIORITY_KNOWN): New accessor macro.
803 * haifa-sched.c (priority): Use it instead of testing priority against
806 2001-02-28 DJ Delorie <dj@redhat.com>
808 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
809 since that doesn't work the way gcc wants on a generic m68k.
811 2001-02-28 Richard Henderson <rth@redhat.com>
813 * caller-save.c (save_call_clobbered_regs): Fix typo in
814 comparison last change.
816 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
818 * i386.c (pentium4_cost): New.
819 (m_PENT4): New macro.
820 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
821 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
822 x86_integer_DFmode_moves, x86_partial_reg_dependency,
823 x86_memory_mismatch_stall): Add Pentium4
824 (x86_use_q_reg, x86_use_any_reg): Kill.
825 (override_options): Add pentium4.
826 (incdec_operand): Return 0 for pentium4.
827 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
828 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
829 (TARGET_PENTIUM4): Define.
830 (enum processor_type): Add PROCESSOR_PENTIUM4.
831 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
832 * i386.md (attribute "cpu"): Add pentium4.
833 * invoke.texi (march): Add pentium4.
835 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
837 * i386.md (sse_mov?fcc*): New patterns and splitters.
838 * i386.c (ix86_expand_movcc): Work post-reload; recognize
839 the SSE based conditional moves.
841 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
843 * i386.md (attribute mode): Add "TI".
844 (movsf_1): Add pxor support; remove constant propagation splitter.
845 (movdf_integer): Likewise.
846 (movdf_nointeger): Likewise.
847 (movxf constant prop splitter): Handle all modes; update for SSE.
848 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
849 * i386.c (standard_80387_constant_p): Rewrite.
850 (standard_sse_constant_p): New.
851 * i386-protos.h (standard_sse_constant_p): New.
853 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
855 * i386.md (sse_setccsf, sse_setccdf): New.
856 (sse_cmp* patterns): Use '%D' instead of outputtting condition
858 * i386.c (sse_comparison_operator): Accept the supported unordered
859 comparses; be ready for fast_math.
860 (print_operand): Support 'D'.
862 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
864 * jump.c (reversed_comparison_code): Kill.
866 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
868 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
871 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
873 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
874 add missing '%' in constraints.
876 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
878 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
879 for HOST_BITS_PER_WIDE_INT == 32 too.
881 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
883 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
885 (insert_save, insert_restore): New parameter save_mode.
886 (init_caller_save): Update initialization of reg_save_code
887 and reg_restore_code.
888 (save_call_clobbered_regs): Compute save_modes and update calls to
889 reg_save_code and reg_restore_code.
890 (insert_restore): Unsignetize numbers; use save_modes to choose mode
891 of spill; update use of reg_restore_code.
892 (insert_save): Likewise.
893 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
894 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
895 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
897 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
899 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
900 noce_try_store_flag_inc, noce_try_store_flag_mask,
901 noce_try_cmove_arith):
902 Use reversed_comparison_code instead of reverse_comparison and
903 can_reverse_comparison_p.
905 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
907 * jump.c (reversed_comparison_code_parts): Allow reversal of
908 unordered compares in -ffast-math mode; reverse ordered compares
909 for FP even w/o -ffast-math.
911 2001-02-27 Richard Henderson <rth@redhat.com>
913 * print-rtl.c (print_rtx) [i]: Don't print field five on
914 NOTEs other than NOTE_INSN_DELETED_LABEL.
916 2001-02-27 Zack Weinberg <zackw@stanford.edu>
918 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
919 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
921 2001-02-27 Diego Novillo <dnovillo@redhat.com>
923 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
924 even if walk_subtrees is 0.
925 * c-semantics.c (prune_unused_decls): Return a non-null value to
926 stop traversing the tree chain.
928 2001-02-27 DJ Delorie <dj@redhat.com>
930 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
931 register, *then* define it as the new CFA.
933 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
935 * pa.c (override_options): Promote -fpic to -fPIC.
936 (legitimize_pic_address): Simplify due to removal of
937 small PIC as a code generation option.
938 (secondary_reload_class): Similarly.
939 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
940 (PRINT_OPERAND_ADDRESS): Similarly.
941 * pa.md (various patterns): Similarly.
942 (small pic lo_sum pattern): Remove.
944 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
947 * md.texi (min, max): Document
949 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
951 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
952 TARGET_PARTIAL_REG_DEPENDENCY.
953 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
955 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
957 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
959 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
961 * mips.c (mips_make_temp_file): Fix thinko in last change.
963 2001-02-26 Jason Eckhardt <jle@redhat.com>
965 * combine.c (known_cond): Do not reverse the condition when
966 SMAX/UMAX is being considered and the condition is for equality
969 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
971 2001-02-26 Philip Blundell <philb@gnu.org>
973 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
975 * config/arm/linux-elf.h: Remove historical relics related to
976 above configurations.
977 * config/arm/linux-oldld.h: Delete.
978 * config/arm/linux-elf26.h: Delete.
980 2001-02-26 Jason Merrill <jason@redhat.com>
982 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
984 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
985 recognize a tentative definition. Lose obsolete code.
987 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
988 variables unless necessary, either.
990 2001-02-25 Richard Henderson <rth@redhat.com>
992 * ifcvt.c (struct noce_if_info): Add test_bb.
993 (noce_get_alt_condition): New.
994 (noce_try_minmax, noce_try_abs): New.
995 (noce_operand_ok): New.
996 (noce_process_if_block): Use them.
997 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
999 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1001 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1004 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1006 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1007 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1009 (mips_asm_file_end): Free temp_filename here.
1011 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1013 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1014 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1016 * config/i386/i386.md (movstrsi): Handle FAIL case.
1018 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1020 * cppinit.c (builtin_array): Update.
1021 (init_builtins): Flag builtins to warn if redefined or
1022 undefined. Define __GXX_WEAK as a normal macro.
1023 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1024 * cpplib.h (NODE_WARN): New flag.
1025 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1026 Handle __STDC__ as a builtin only on Solaris.
1027 (warn_of_redefinition): Renamed from check_macro_definition.
1028 Reverse sense of test. Always warn if NODE_WARN.
1029 (_cpp_create_definition): Use warn_of_redefinition. Flag
1030 any macro beginning with "__STDC_" to require a mandatory
1031 warning if redefined or undefined.
1033 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1035 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1036 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1037 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1038 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
1039 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
1040 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
1041 Don't define any of:
1042 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
1043 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
1044 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
1045 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
1046 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
1048 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
1049 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
1052 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
1053 Delete now-empty file.
1055 * alpha/vms.h: Define NEED_ATEXIT here...
1056 * alpha/xm-vms.h: ...not here.
1058 * i386/cygwin.h: Don't define PARAMS.
1059 * mips/mips.c: Don't prototype mktemp. Don't define
1060 P_tmpdir. Use make_temp_file to create temporary files.
1061 Don't be clever and delete temporary files early.
1062 * config.gcc: Drop references to deleted files. Don't define
1064 * gcc.texi: Don't mention USE_PROTOTYPES.
1066 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1068 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1069 (ix86_set_move_mem_attrs_1): Likewise.
1070 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1071 * config/i386/i386.md (movstrsi): Call it.
1073 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1075 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1076 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1077 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1078 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1080 (i750a-*-*): Error here if hosting on i750a.
1081 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1083 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1084 Remove (empty modulo comments).
1086 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1087 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1088 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1089 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1090 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1091 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1093 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1094 Remove reference to winnt.h in comment.
1095 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1097 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1099 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1100 used to set another biv.
1102 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1104 * tree.h (BLOCK_DEAD): New macro.
1105 (struct tree_block): New flag, dead_flag.
1106 * print-tree.c (print_node, case 'b'): Print missing fields.
1107 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1108 * function.c (identify_blocks): Enable test for misplaced notes.
1109 (all_blocks): Skip BLOCK_DEAD blocks.
1110 * integrate.c (integrate_decl_tree): Likewise.
1112 * errors.c (internal_error, trim_filename): New functions.
1113 (fancy_abort): Call internal_error.
1114 * errors.h (internal_error, trim_filename): New declarations.
1116 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1118 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1120 (EXTRA_CONSTRAINT): Formatting changes.
1122 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1124 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1126 2001-02-23 Per Bothner <per@bothner.com>
1128 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1129 so they can be called from java/jvspec.c.
1130 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1132 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1134 * i386.c (ix86_frame): New structure.
1135 (ix86_compute_frame_size): Kill.
1136 (ix86_compute_frame_layout): New.
1137 (ix86_save_reg): New.
1138 (ix86_can_use_return_insn_p): Use frame layout stuff.
1139 (ix86_expand_prologue): Likewise.
1140 (ix86_expand_epilogue): Likewise.
1141 (ix86_initial_elimination_offset): Likewise.
1142 (ix86_nsaved_regs): Use ix86_save_reg.
1143 (ix86_emit_save_regs): Likewise.
1145 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1147 * flow.c (find_sub_basic_blocks): New function.
1148 (split_block): Be ready for basic block introduced by CODE_LABEL.
1149 (commit_one_edge_insertion): Call find_sub_basic_block.
1151 * flow.c (make_edges): Add edge from entry for blocks starting with
1152 label having ALTERNATE_NAME
1154 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1156 * function.c (epilogue_done): Be ready for first basic block not
1157 containing PROLOGUE_END note.
1158 (reposition_prologue_and_epilogue_notes): Avoid placing
1159 PROLOGUE_END note between BASIC_BLOCK.
1161 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1163 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1165 2001-02-21 DJ Delorie <dj@redhat.com>
1167 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1168 check for current_function_has_nonlocal_goto from 1999-11-12.
1170 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1172 * diagnostic.c (trim_filename): No longer static.
1173 * toplev.h (trim_filename): Declare.
1174 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1175 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1176 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1177 (rtvec_check_failed_bounds): Likewise.
1178 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1180 * convert.c (convert_to_integer): Don't do unsigned unless result or
1181 both inputs are unsigned.
1183 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1186 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1188 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1190 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1192 * Makefile.in (resource.o): Add params.h dependence.
1193 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1194 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1195 * resource.c: Add dependence on params.h.
1196 (current_live_regs): Fix explanatory comment.
1197 (find_basic_block): Add new parameter to permit limiting search
1199 (mark_target_live_regs): Add new argument to find_basic_block call.
1200 (incr_ticks_for_insn): Likewise.
1202 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1204 * diagnostic.c (output_to_stream): Rename to
1205 output_buffer_to_stream. Loses the stream parameter.
1206 (init_output_buffer): Set diagnosic_buffer's stream.
1207 (flush_diagnostic_buffer): Adjust.
1208 (default_print_error_function): Likewise.
1209 (finish_diagnostic): Likewise.
1210 (verbatim): Likewise.
1212 * diagnostic.h (struct output_buffer): Add `stream' field.
1213 (output_buffer_attached_stream): New macro.
1215 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1217 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1218 check if either operand is divisible by C.
1219 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1220 If type is signed, consider negative numbers as well.
1222 2001-02-22 Richard Henderson <rth@redhat.com>
1224 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1225 reach .text instead of gp-relative relocs.
1226 * config/ia64/crtend.asm (.init): Likewise.
1228 2001-02-22 Andreas Jaeger <aj@suse.de>
1230 * extend.texi (C++ Attributes): Fix typo.
1232 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1234 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1235 functions, drop current_function_args_info.words test.
1236 (ia64_compute_frame_size): Mark syscall_linkage functions as
1237 using eight input registers.
1239 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1240 Bruce Korb <bkorb@gnu.org>
1242 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1243 * fixinc/README: Document how to convert sed substitutions
1244 to format style c_fix-es.
1245 * fixinc/fixincl.x: regen
1247 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1249 * gcc.c: Add comment explaining how to add a command-line option.
1250 Add title to specs language comment.
1252 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1254 * gcc.c (cc1_options): Add "-param".
1255 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1256 (option_map): Likewise.
1257 * toplev.c (display_help): Add entry for "--param".
1258 (independent_decode_option): Fix typographical error.
1260 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1261 Bernd Schmidt <bernds@redhat.com>
1262 Jan Hubicka <jh@suse.cz>
1264 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1265 (function_arg): Likewise.
1267 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1269 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1271 2001-02-21 Kazu Hirata <kazu@hxi.com>
1273 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1277 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1279 * flow.c (init_propagate_block_info): Canon address and use single_set
1280 for killing dead memory stores.
1282 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1284 * Makefile.in (reorg.o): Add params.h dependence.
1285 * params.def: Fix typographical error in comment.
1286 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1287 * params.h: Modify introductory comment.
1288 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1289 * reorg.c: Add dependence on params.h.
1290 (redundant_insn): Add parameterized throttle for search.
1291 (fill_simple_delay_slots): Add a comment explaining a variable.
1292 Move conditional out of loop, simplifying code.
1293 (fill_eager_delay_slots): Fix typographical error in comment.
1295 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1297 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1299 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1300 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1302 2001-02-21 Jason Merrill <jason@redhat.com>
1304 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1305 (struct tree_decl): Add uninlinable bitfield.
1306 * c-decl.c (duplicate_decls): Set it.
1307 * integrate.c (function_cannot_inline_p): Check it.
1309 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1310 DW_AT_MIPS_linkage_name to abstract methods.
1311 (dwarf2out_abstract_function): Emit class context before calling
1312 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1313 (gen_subprogram_die): Remove obsolete code.
1314 (gen_member_die): Don't include clones in the member list.
1315 (gen_decl_die): Emit abstract info for clone origin.
1316 * dwarfout.c (output_type): Don't include clones in the member list.
1317 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1318 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1319 DECL_ABSTRACT on a function that already has it set.
1321 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1322 (get_subprogram_die): Pass it in.
1324 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1326 * flow.c (mark_set_1): Make not_dead unsigned long. For
1327 non-pseudos, use it as a bitmask of the hard regs that
1330 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1332 * cppfiles.c: Update comments.
1333 (_cpp_read_file): Don't check for NULL filenames any more.
1334 * cppinit.c (cpp_start_read): Don't do canonicalization of
1335 in_fname and out_fname. Use the passed file name exclusively.
1336 (_cpp_handle_options): Don't treat "-" as a command line option,
1337 but as a normal filename.
1338 (_cpp_post_options): Canonicalize in_fname and out_fname.
1339 * cppmain.c (printer_init): Don't check out_fname for NULL.
1340 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1341 (init_c_lex): Update, and use "" to represent stdin to CPP.
1344 2001-02-20 Will Cohen <wcohen@redhat.com>
1346 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1347 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1348 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1351 2001-02-20 Stan Shebs <shebs@apple.com>
1353 * config/rs6000/rs6000.c (output_cbranch): Output branches
1354 on separate lines instead of using ';' to separate.
1356 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1358 * cppinit.c (set_lang): Move builtin handling to...
1359 (init_builtins): ...here.
1360 (_cpp_create_reader): Move call to set_lang.
1362 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1364 * stmt.c (expand_return): If an attempt is made to return the
1365 error_mar_node, treat the return like a return without a value.
1367 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1369 * sibcall.c (skip_copy_to_return_value): Call
1370 identify_call_return_value here, and return orig_insn if it
1371 returns zero. Hardret and softret arguments now unnecessary.
1372 (call_ends_block_p): Don't call identify_call_return_value here.
1374 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1376 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1377 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1379 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1381 * pa.c (move_operand): Accept code to load the address of a
1382 symbol out of the DLT as a valid move operand.
1383 (print_operand, case 'A'): New to handle generating a DLT
1384 reference for a LO_SUM expression.
1385 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1386 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1388 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1390 * README, cpp.texi, gcc.texi, version.c: Update version number to
1392 * cpp.1, gcov.1, gcc.1: Regenerate.
1394 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1396 * cppfiles.c (stack_include_file): Generate dependencies
1397 here, and manage include_count here too.
1398 (PRINT_THIS_DEP): Delete.
1399 (_cpp_execute_include): Do not generate dependencies here,
1400 apart from the case of a missing header. Do not manage
1402 (_cpp_read_file): Leave dependency generation to
1405 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1407 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1408 target_cpu_default. Remove dead assignment to
1411 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1413 * regclass.c (contains_reg_of_mode): Make global.
1414 (init_reg_sets): Remove contains_reg_of_mode; take into account
1415 CLASS_MAX_NREGS when looking for the proper mode.
1416 (dump_regclass): Dump only classes considered for the pseudo.
1417 (regclass): Use contains_reg_of_mode.
1419 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1421 * gcc.c (do_spec_1): 'n' for printing notices.
1422 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1424 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1426 * reg-stack.c (next_flags_user): Use current_block->end
1427 (swap_rtx_condition): Look for next user if flags don't die;
1428 give up on CALL_INSNs; use current_block->end.
1430 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1432 * sibcall.c (call_ends_block_p): New function.
1433 (optimize_sibling_and_tail_recursive_call): Use it.
1435 2001-02-18 Kazu Hirata <kazu@hxi.com>
1437 * config/h8300/h8300.md: Update copyright.
1438 (andsi3): Do not output an extra newline character.
1440 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1442 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1443 FNDECL may be unused.
1445 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1446 follow jumps after first run.
1447 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1448 it doesn't change any jumps.
1450 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1452 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1453 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1454 (mostlyclean): Corresponding changes.
1455 * rtlanal.c (hard-reg-set.h): Include.
1456 (rtx_unstable_p): Do not treat the argument pointer specially
1457 if it is not a fixed register.
1458 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1460 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1462 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1463 against last real insn in basic block.
1464 Rework to avoid gotos.
1466 * Makefile.in (gcse.o): Now includes ggc.h.
1467 * gcse.c: Include ggc.h.
1468 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1469 (try_replace_reg): Remove warning of uninitialize variable.
1470 (process_insert_insn): Call invalid_insn_p to validate insn.
1471 * recog.c (insn_invalid_p): Now global.
1472 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1473 * recog.h (insn_invalid_p): New declaration.
1475 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1477 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1478 assignments from FP constants since 'Y' output code can't handle it.
1479 (eligible_for_sibcall_delay): Likewise.
1481 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1482 Call fancy_abort directly, passing args.
1483 (print_rtl_and_abort): Now a macro, like fancy_abort.
1485 * final.c (output_operand_lossage): Use internal_error, not error.
1487 2001-02-18 Shane Nay <shane@agendacomputing.com>
1489 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1490 structure shift insns.
1492 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1494 * invoke.texi (-fsquangle): Remove documentation.
1495 (-fname-mangling-version): Likewise.
1497 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1499 * optabs.c (expand_abs): Remove reference to
1500 HAVE_contitional_arithmetic.
1501 * combine.c (simplify_set): Likewise.
1503 2001-02-18 Richard Henderson <rth@redhat.com>
1505 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1508 2001-02-18 Richard Henderson <rth@redhat.com>
1510 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1512 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1514 * reload1.c (reload_cse_simplify_set): Fix typo.
1516 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1518 * diagnostic.c (_fatal_insn): Decrement errorcount.
1520 * invoke.texi (-I): Add note avoiding use for system header files.
1522 * rtl.h (add_clobbers): Remove duplicate declaration.
1523 * recog.h (added_clobbers_hard_reg_p): New declaration.
1524 * genemit.c (struct clobber_pat): New field has_hard_reg.
1525 (gen_insn): Record if added clobbers clobber hard reg.
1526 (gen_split): Avoid unused warning if number of operands is 0.
1527 (output_added_clobbers_hard_reg_p): New function.
1530 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1532 * pa.c (hppa_expand_prologue): Simplify code storing return
1533 pointer. For large (>=8k) frames with a post_store, adjust stack
1534 pointer by 8k-64 first rather than by 64. When testing with
1535 VAL_14_BITS_P, always use the actual value rather than the value
1536 negated. Add blockage to prevent scheduling of spills before
1537 stack frame has been created.
1538 (hppa_expand_epilogue): Simplify code loading return pointer.
1539 Allow a slightly larger range for merge_sp_adjust_with_load case.
1540 When testing with VAL_14_BITS_P, always use the actual value.
1542 * pa.c (pa_adjust_insn_length): Check that block move
1543 pattern is a set before looking at operands.
1545 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1547 * fold-const.c (fold_binary_op_with_conditional_arg): New
1548 function, split out from ...
1550 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1551 conditional arms that throw exceptions.
1553 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1556 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1558 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1559 define HAVE_DECL_* to 1 to mask potential backup declarations.
1560 * configure: Regenerated.
1562 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1564 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1566 2001-02-17 Richard Henderson <rth@redhat.com>
1568 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1569 when replacing a memory load with a register.
1571 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1572 Jan Hubicka <jh@suse.cz>
1574 * recog.c (validate_replace_src_1): New.
1575 (validate_replace_src_data): Likewise.
1576 (validate_replace_src): Use note_uses.
1577 * rtl.h (note_uses): Declare.
1578 * rtlanal.c (note_uses): New.
1580 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1582 * reg-stack.c (stack_def): Make field reg unsigned.
1583 (remove_regno_note): Unsignetize parameter.
1585 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1587 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1588 shladd_operand() call.
1590 2001-02-16 Bruce Korb <bkorb@gnu.org>
1591 Rodney Brown <RodneyBrown@mynd.com>
1593 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1594 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1595 machine restrictions
1596 * fixinc/fixincl.x: regen
1598 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1600 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1602 (hash_scan_insn): Clean up calls to hash_scan_set.
1603 (compute_kill_rd): REGNO now unsigned.
1604 (try_replace_reg): Rework to use simplify_replace_rtx.
1605 (cprop_jump, cprop_cc0_jump): Likewise.
1606 (cprop_insn): Call find_reg_equal_equiv_note.
1607 Reflect changes to cprop_jump and cprop_cc0_jump.
1609 * recog.c (validate_replace_src): Replace in operands of
1610 ZERO_EXTRACT in SET_DEST.
1612 * cse.c (new_label_ref): New variable.
1613 (insert): Set it instead of recorded_label_ref.
1614 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1615 CODE_LABEL for this function, and not already in REG_LABEL note.
1617 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1619 * resource.c (mark_referenced_resources): Fix typo in introductory
1621 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1624 2001-02-16 Jason Merrill <jason@redhat.com>
1626 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1628 (gen_subprogram_die): Don't abort on seeing a second definition if
1629 the previous one was abstract. Don't replace an abstract instance
1630 in the lookup table.
1632 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1633 gen_abstract_function.
1634 * dwarf2out.h: Declare it.
1635 * toplev.c (note_outlining_of_inline_function): New fn.
1636 * toplev.h: Declare it.
1637 * integrate.c (output_inline_function): Call it.
1638 * c-decl.c (duplicate_decls): Call it when redefining an extern
1639 inline. Don't inline the new defn.
1641 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1643 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1645 * .gdbinit: Rename to gdbinit.in.
1646 * gdbinit.in: New file,
1647 * configure.in: Generate .gdbinit from gdbinit.in.
1648 * configure: Regenerated.
1649 * Makefile.in (distclean): Always remove .gdbinit.
1651 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1653 * objc/objc-act.c (start_class): Register implemented_classes with
1656 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1658 * cppfiles.c (_cpp_make_system_header): Generate a file
1661 2001-02-15 Jim Meyering <meyering@lucent.com>
1663 * Makefile.in (install-common): Don't depend on installdirs here.
1664 Instead, make each of the lang.install-common targets (e.g.,
1665 c++.install-common in cp/Make-lang.in) depend on it.
1666 (install-driver): Depend on installdirs.
1668 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1670 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1672 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1675 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1677 * invoke.texi (--param): Document.
1679 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1681 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1683 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1685 * i386.md (extendsfdf2_2): Fix constraints.
1687 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1689 * i386.md (fop_df_3 splitter): Fix operand number.
1691 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1693 * invoke.texi (-mreg-alloc): Nuke.
1694 * i386.c (ix86_reg_alloc_order, regs_allocated,
1695 order_regs_for_local_alloc): Nuke.
1696 (override_options): Kill reg_alloc code.
1697 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1698 (REG_ALLOC_ORDER): SSE goes before I387.
1699 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1700 (ix86_reg_alloc_order): Likewise.
1701 * i386-protos.h (ix86_reg_alloc_order): Kill.
1703 2001-02-14 Richard Henderson <rth@redhat.com>
1705 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1707 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1709 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1711 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1713 * i386-protos.h (ix86_memory_move_cost): Move offline.
1714 * i386.c (ix86_register_move_cost): Compute properly cost of
1715 SSE, MMX and i387 instructions.
1716 (*_cost): Add costs of SSE/MMX moves.
1717 (ix86_memory_move_cost): Move offline from ....; Likewise.
1718 * i386.h (MEMORY_MOVE_COST): .... here;
1719 (struct processor costs): Add new fields to represent costs
1722 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1724 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1725 move_cost together with Matt Kraai's fix.
1727 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1729 * Makefile.in (OBJS): Add params.o.
1731 2001-02-14 Richard Henderson <rth@redhat.com>
1732 DJ Delorie <dj@redhat.com>
1734 * jump.c (jump_optimize_1): When we delete a conditional jump
1735 preceeding a non-conditional jump to effectively the same place,
1736 make sure that the combined jump skips any clobber insns between
1739 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1741 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1743 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1745 * Makefile.in (toplev.o): Depend on params.h.
1746 (intergate.o): Likewise.
1747 (params.o): New target.
1748 * flags.h (inline_max_insns): Remove.
1749 * integrate.c: Include params.h.
1750 Use MAX_INLINE_INSNS instead of inline_max_insns.
1751 * params.c: New file.
1752 * params.h: Likewise.
1753 * params.def: Likewise.
1754 * toplev.c: Include params.h.
1755 (lang_independent_params): New variable.
1756 (decode_f_option): Use the param machinery instead of setting
1758 (independent_decode_option): Handle "--param name=value".
1759 (main): Register language-independent parameters.
1761 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1763 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1765 2001-02-14 Richard Henderson <rth@redhat.com>
1767 * regclass.c (init_reg_sets_1): Revert last two changes.
1769 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1771 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1772 (variable_size): Call put_pending_size.
1773 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1774 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1775 sizes list, put newly created SAVE_EXPR there as well.
1777 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1779 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1780 (errata_find_address_regs): load_group has only 2 entries.
1781 (errata_emit_nops): Likewise. shladd is not problematic.
1782 Clear last_group if nop was emitted.
1783 (fixup_errata): load_group has only 2 entries.
1786 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1788 * c-lex.c (lex_number): Only warn traditionally for U suffix
1789 outside system macros.
1790 * cppexp.c (parse_number): Similarly.
1791 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1792 * cppmacro.c (struct cpp_macro): New member node.
1793 (parse_args): Only warn about missing rest args if not
1795 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1796 (cpp_sys_objmacro_p): New.
1797 (_cpp_create_definition): Store the node with the macro defn.
1798 Remember if the macro is defined in a system header.
1800 2001-02-13 DJ Delorie <dj@redhat.com>
1802 * configure.in (check_languages): determine languages to check
1803 * Makefile.in (check-c++): alias for check-g++
1804 (check-f77): alias for check-g77
1805 (CHECK_TARGETS): depend on configured languages
1807 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1809 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1810 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1811 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1812 (sqrtextendsfdf2): Disable for SSE2.
1814 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1816 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1817 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1818 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1819 (sqrtextendsfdf2): Disable for SSE2.
1821 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1823 * i386.md (movsfcc_1): Support integer cmove instruction.
1824 (movdfcc_1): Likewise; new splitter.
1826 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1828 * i386.c (output_fp_compare): Support SSE.
1829 (prepare_fp_compare_args): SSE comparisons always support memory.
1830 * i386.h (TARGET_CMOVE): SSE imply cmove.
1831 * i386.md (cmp?f2): Enable for SSE too.
1832 (cmpfp_i*): Support SSE.
1834 (cmpfp_i_sse_only): New.
1835 (s*, b* fp expanters): Enable for SSE too.
1836 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1839 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1841 * regclass.c (init_reg_sets_1): Silence warning.
1843 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1845 * i386.md (sqrt?f2): Change to expander.
1846 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1848 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1850 * rtlanal.c (find_reg_equal_equiv_note): New function.
1851 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1852 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1853 * rtl.h: Add declarations for above functions.
1855 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1857 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1859 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1860 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1861 * flow.c (mark_regs_live_at_end): Likewise.
1862 (calculate_global_regs_live): Likewise.
1863 * gcse.c (compute_hash_table): Likewise.
1864 (compute_kill_rd): Likewise.
1865 * resource.c (mark_target_live_regs): Likewise.
1866 * rtl.h (INVALID_REGNUM): New macro.
1868 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1870 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1872 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1874 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1877 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1879 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1881 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1882 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1883 (fop_sf_1_sse, fop_df_1_sse): New patterns
1884 (fop_*): Disable float_extend and float patterns for SSE compilation.
1885 * i386.c (output_387_binary_op): Support SSE.
1887 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1889 * i386.md (dummy_extendsfdf2): Support SSE2
1890 (extendsfdf2): Enable if 80387 or SSE2.
1891 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1892 and no MIX_I387_SSE2
1893 (extendsfdf2_1_sse_only): New pattern.
1894 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1896 (truncdfsf2_1): Support SSE.
1897 (truncdfsf2_2): Support SSE.
1898 (truncdfsf2_2_1_sse): New pattern.
1899 (fixtruncsfsi2): Always use SSE if available.
1900 (fix_truncsfsi_sse): New pattern.
1901 (fix_truncdfsi_sse): New pattern.
1902 (floatsis?f2): Support SSE.
1903 (floatsidf2_i387): New pattern.
1904 (floatsidf2_sse): Likewise.
1906 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1908 * configure.in: Use "have_gnat" variable, not "gnat".
1909 * configure: Regenerated.
1911 * config/sparc/sparc.c (function_value): Treat all non-record
1912 aggregate types like used to treat UNION_TYPE.
1914 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1916 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1917 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1919 (MASK_MIX_SSE_I387): New.
1920 (TARGET_SSE): SSE2 imply SSE.
1921 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1922 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1923 (enum reg_class): Add new classes.
1924 (REG_CLASS_NAMES): Likewise.
1925 (REG_CLASS_CONTENTS): Likewise.
1926 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1927 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1928 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1929 (CLASS_MAX_NREGS): Use new macros.
1930 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1931 * i386.md (pushsf, movsf): Support SSE.
1932 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1933 splitters to use ANY_FP_REGNO_P.
1934 (movdf_nointeger, movdf_integer): Likewise.
1936 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1938 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1939 (try_combine): Use it.
1941 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1943 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1944 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1945 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1946 (REGISTER_MOVE_COST): Likewise.
1947 * i386-protos.h (ix86_secondary_memory_needed,
1948 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1949 * i386.c (ix86_secondary_memory_needed,
1950 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1952 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1954 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1955 (HARD_REGNO_MODE_OK): Move offline to ....
1956 * i386.c (ix86_hard_regno_mode_ok) ... here;
1957 refuse all incorrect modes.
1958 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1960 2001-02-13 Richard Henderson <rth@redhat.com>
1962 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1963 entire operator; replicate that and match_dup the operands.
1964 (cmp_ccx_arith_op_set): Likewise.
1965 (cmp_cc_arith_op_not_set): Likewise.
1966 (cmp_ccx_arith_op_not_set): Likewise.
1968 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1970 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1972 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1974 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1975 (TARGET_NO_BITFIELD_WORD): New macro.
1976 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1977 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1979 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1981 * cselib.c: New file, from simplify-rtx.c.
1982 * simplify-rtx.c: Remove cselib parts.
1983 * Makefile.in: Add cselib.o.
1985 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1987 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1988 (setup_incoming_varargs): Remove warning.
1990 * config/rs6000/rs6000.c (validate_condition_mode): When
1991 flag_fast_math, allow floating-point conditionals to be reversed.
1992 (rs6000_generate_compare): When flag_fast_math, don't generate
1993 cror operations for FP conditionals.
1995 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1997 (ASM_SPEC): Likewise.
1998 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1999 (CC1_SPEC): Likewise.
2000 (LINK_TARGET_SPEC): Likewise.
2001 (CPP_ENDIAN_SPEC): Likewise.
2002 * Makefile.in (check-consistency): New target.
2004 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2006 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2007 "return type defaults" warning for functions with return type
2009 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2010 function declarations by default rather than only when pedantic.
2012 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2014 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2017 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2019 * extend.texi (Deprecated): Deprecate new initializer lists.
2021 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2023 * mkdeps.c (deps_add_default_target): Robustify. Add
2024 basename component only.
2025 * cpp.texi (-M): Describe how default target is generated.
2026 * invoke.texi (-M): Likewise.
2028 2001-02-12 Kazu Hirata <kazu@hxi.com>
2030 * toplev.c (push_float_handler): Remove.
2031 (pop_float_handler): Remove.
2032 * toplev.h: Remove prototypes for the above functions.
2034 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2036 * c-common.c (constant_fits_type_p): New function.
2037 (convert_and_check): Use it.
2039 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2041 * Makefile.in (GXX_ABI_FLAG): Don't define.
2042 * configure.in (--enable-new-gxx-abi): Remove option.
2043 * config.in: Regenerated.
2044 * configure: Likewise.
2046 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
2048 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
2050 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
2051 regular basic block, and arrange for all edges into it to switch
2054 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2056 * Makefile.in (distclean): Do not remove .gdbinit.
2058 2001-02-11 Mark Mitchell <mark@codesourcery.com>
2060 * Makefile.in (gcc.o): Fix typos.
2061 (protize.o): Likewise.
2062 (unprotoize.o): Likewise.
2064 2001-02-11 Richard Henderson <rth@redhat.com>
2066 * tree.c (build1): Check for null operand in last change.
2068 2001-02-11 Richard Henderson <rth@redhat.com>
2070 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2071 (fold): Don't assume a constant isn't foldable.
2072 * tree.c (build): Set TREE_CONSTANT for an expression with no
2073 side-effects and constant operands.
2076 2001-02-10 Richard Henderson <rth@redhat.com>
2078 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2080 2001-02-10 Anthony Green <green@redhat.com>
2082 * cpp.texi (Standard Predefined): Add documentation for
2085 * c-common.c (combine_strings): Improve warning message.
2087 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2089 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2091 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2093 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2095 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2098 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2100 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2103 2001-02-09 Nick Clifton <nickc@redhat.com>
2105 * config/arm/arm.md: Change output contraint on post inc
2106 load/store multiple patterns to be a read/write contraint.
2108 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2110 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2111 .o files when using the -M options.
2113 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2114 David Edelsohn <edelsohn@gnu.org>
2116 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2117 handle DImode constants. Use one TOC entry for SImode and smaller
2118 constants, aligned properly.
2120 2001-02-08 Jason Merrill <jason@redhat.com>
2122 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2123 about the SP adjustment for saving the static chain pointer.
2124 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2125 offset when setting a temporary CFA register.
2127 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2129 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2130 powerpc-*-chorusos* .
2131 * config/rs6000/chorus.h : New file.
2132 * config/i386/chorus.h : New file.
2133 * config/sparc/chorus.h : New file.
2134 * config/sparc/t-chorus-elf : New file.
2136 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2138 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2139 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2140 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2141 (__WCHAR_TYPE__): Correct macro name.
2143 2001-02-08 Richard Henderson <rth@redhat.com>
2145 * config/i386/i386.c (ix86_frame_pointer_required): New.
2146 (ix86_setup_frame_addresses): New.
2147 (struct machine_funciton): Add accesses_prev_frame.
2148 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2149 ix86_frame_pointer_required.
2150 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2151 (SETUP_FRAME_ADDRESSES): New.
2152 * config/i386/i386-protos.h: Update.
2153 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2154 from FRAME_POINTER_REQUIRED.
2155 * config/i386/svr3gas.h: Likewise.
2156 * config/i386/sysv3.h: Likewise.
2157 * config/i386/v3gas.h: Likewise.
2159 2001-02-08 Richard Henderson <rth@redhat.com>
2161 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2162 calculation of the number of integer registers required.
2163 (function_arg_record_value): Likewise.
2165 2001-02-08 Jason Merrill <jason@redhat.com>
2167 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2168 two. Print file and line with "confused" message.
2170 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2172 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2174 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2176 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2178 * final.c (cleanup_subreg_operands): The address of a MEM can
2181 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2184 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2186 * gcc.texi (Incompatibilities): Update documentation of
2187 preprocessing numbers.
2189 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2191 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2193 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2195 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2197 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2198 * gcc.c (struct compiler): Add cpp_spec field.
2199 (input_file_compiler): New variable.
2200 (do_spec_1): Allow a particular compiler to handle `%C'
2202 (main): Store the current compiler in input_file_compiler.
2203 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2205 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2207 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2208 * cppinit.c (cpp_create_reader): Initialize them.
2209 (append_include_chain): cxx_aware arg might be unused.
2210 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2211 keywords and give them their phase 7 meaning. Pedwarn about
2212 this unless '__bool_true_false_are_defined' is defined.
2214 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2216 * lcm.c (optimize_mode_switching): Emit mode_set before the
2217 JUMP_INSN of an abnormal edge.
2219 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2221 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2222 a scheduling barrier at the end.
2224 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2226 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2228 * config/sh/sh.md (reload_outsf): Removed.
2229 (movsf_ie): Introduce constraints for FPUL loads and stores.
2230 (reload_insf): Broaden the output constraint.
2232 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2234 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2235 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2237 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2239 * final.c: Revert my previous changes.
2240 * output.h: Make profile_label_no extern.
2241 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2242 for generating label.
2244 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2246 * config/i386/djgpp.h: Add comments about standard paths.
2247 (MD_EXEC_PREFIX): Undefine before defining.
2248 (MD_STARTFILE_PREFIX): New.
2250 2001-01-30 Bruce Korb <bkorb@gnu.org>
2252 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2253 (load_file): do not rely on load_file_data() to close file pointer
2254 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2255 fixinc/inclhack.def(irix_limits_const): add test_text
2257 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2259 * cppexp.c (parse_defined): Improve diagnostics for invalid
2262 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2264 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2266 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2268 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2269 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2270 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2271 (rs6000_output_symbol_ref): New function.
2272 (output_toc): Use VTABLE_NAME_P.
2274 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2276 * print-tree.c (print_node, case PARM_DECL):
2277 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2279 * stor-layout.c (reference_types_internal): New variable.
2280 (internal_reference_types): New function.
2281 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2282 * tree.h (internal_reference_types): New declaration.
2284 * cse.c (find_best_addr): Fix typo in computing cost.
2286 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2288 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2289 and this is the sum of a pointer and a constant, we know the result
2291 (num_sign_bit_copies, case PLUS): Likewise.
2292 * explow.c (convert_memory_address): Remove opposite SUBREG.
2293 * function.c (instantiate_new_reg): New function (from common code).
2294 (instantiate_virtual_regs_1): Call it.
2295 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2296 if pointers sign- or zero-extend.
2297 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2298 If pointers extend unsigned, use inside of SUBREG.
2299 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2301 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2303 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2304 subdir of gcc_gxx_include_dir.
2305 (gcc_gxx_target_include_dir): Remove.
2307 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2309 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2310 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2311 a high-level description.
2313 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2315 * final.c: Move the declaration of profile_label_no to ...
2316 * output.h: ... here.
2317 * function.c (expand_function_start): Call PROFILE_HOOK.
2318 * config/rs6000/aix.h: Define PROFILE_HOOK.
2319 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2320 * config/rs6000/rs6000.c (output_profile_hook): Define.
2321 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2322 output_profile_hook.
2323 tm.texi : Explain new macro PROFILE_HOOK.
2325 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2327 * extend.texi (Extended Asm): Do not say that semicolon is always
2328 a valid line-breaking character for GNU assemblers. Use
2329 newline-tab as the most commonly supported syntax. Use
2330 newline-tab rather than semicolon in multi-insn examples.
2332 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2334 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2336 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2337 David Edelsohn <edelsohn@gnu.org>
2339 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2340 code for AIX, even without flag_pic.
2342 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2344 * c-typeck.c (common_type): push and pop binding level around
2345 calling common_type on function parameters.
2347 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2349 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2351 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2353 * config/mips/mips.c (override_options): Fix typo in last change.
2354 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2355 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2357 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2359 * invoke.texi (-fdump-class-layout): Document.
2360 (-fdump-translation-unit): Use `=' as filename separator.
2362 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2364 * Makefile.in (s-mlib): Don't build multilibs if
2366 (DRIVER_DEFINES): Adjust accordingly.
2368 (protoize.o): Likewise.
2369 (unprotoize.o): Likewise.
2370 * configure.in: Recognize --enable-multilib.
2372 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2374 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2376 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2377 * configure.in: Remove --enable-libstdcxx_v3 support.
2378 * configure: Regenerated.
2380 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2382 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2383 Call abort instead of fatal.
2384 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2385 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2386 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2387 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2388 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2389 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2391 * diagnostic.h (set_internal_error_function): Renamed.
2392 * toplev.h (internal_error): Renamed from fatal.
2393 (pfatal_with_name): Deleted.
2394 (fatal_io_error): Now has printf-style arguments.
2395 * diagnostic.c (pfatal_with_name): Deleted.
2396 (fatal_io_error): Rework to have args in printf-style.
2397 (set_internal_error_function): Renamed from set_fatal_function.
2398 (internal_error): Renamed from fatal.
2399 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2400 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2401 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2402 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2403 * flow.c (verify_flow_info): Likewise.
2404 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2405 * config/mips/mips.c (save_restore_insns): Likewise.
2407 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2408 * flow.c (verify_flow_info): Likewise.
2409 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2410 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2411 (avr_normalize_condition): Likewise.
2412 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2413 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2414 (limit_reload_class, double_reg_to_memory): Likewise.
2415 (print_operand_address, emit_1600_code_shift): Likewise.
2416 (gen_tst_reg, gen_compare_reg): Likewise.
2417 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2418 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2420 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2422 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2423 * objc/objc-act.c (build_ivar_chain): Likewise.
2424 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2426 * graph.c (clean_graph_dump_file): Likewise.
2427 * profile.c (init_branch_prob): Likewise.
2428 * objc/objc-act.c (objc_init): Likewise.
2430 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2431 * config/avr/avr.c (avr_override_options): Likewise.
2432 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2433 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2434 * config/h8300/h8300.c (h8300_init_once): Likewise.
2435 * config/mips/mips.c (override_options): Likewise.
2436 * config/i386/i386.c (override_options): Likewise, rework.
2437 * config/m68k/m68k.c (override_options): Likewise.
2439 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2441 * config/mips/mips.c (print_operand): Likewise.
2442 * hash.c (hash_allocate): Don't check for failure returns from
2443 obstack functions that can't fail.
2444 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2445 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2446 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2447 (get_object_reference): Likewise.
2449 2001-02-04 Nick Clifton <nickc@redhat.com>
2451 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2452 StrongARM1110, 10TDMI, and 1020T.
2454 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2456 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2458 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2460 * config/sh/sh.md (movdf load split): Pass register number to
2461 FP_OR_XD_REGISTER_P.
2463 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2465 * cppinit.c (BC): New macro.
2466 (builtin_array): Add __GXX_WEAK__.
2467 * cpplib.h (builtin_type): Add BT_WEAK.
2468 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2469 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2470 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2472 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2474 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2476 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2478 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2479 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2481 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2483 * cpphash.h: Rename ALIGN _ALIGN.
2484 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2486 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2488 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2489 compilation environment.
2490 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2491 control over location of cygwin includes and libs.
2493 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2495 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2497 2001-02-02 lars brinkhoff <lars@nocrew.org>
2499 * md.texi (Standard Names): remove reference to spur.md.
2501 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2503 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2504 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2505 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2506 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2507 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2509 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2511 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2512 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2513 number before reload.
2514 (c4x_adjust_cost): Return zero before reload.
2515 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2516 split before reload.
2518 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2520 * c4x.c (c4x_hard_regno_rename_ok): New.
2521 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2522 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2524 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2526 * diagnostic.h: Add missing "extern" in all declarations.
2528 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2530 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2531 as for gcc_gxx_include_dir.
2533 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2535 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2537 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2539 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2540 label before alignment to be used as the braf base address.
2541 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2543 (casesi_jump_2): Require at least TARGET_SH2.
2545 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2546 truncation to 32-bit doubles on -m3e and -m4-single-only.
2548 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2550 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2551 the default when building a shared object.
2552 (init_spec): Use it.
2553 * testsuite/lib/g++.exp: Include the directory where libgcc
2554 is located to the LD_LIBRARY_PATH list.
2555 * invoke.texi (-shared-libgcc): Document the cases in which
2556 GCC defaults to using the shared libgcc.
2558 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2560 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2561 unsigned is wide enough.
2563 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2564 (si_to_float): Likewise.
2565 (float_to_si, float_to_usi): Use BITS_PER_SI.
2567 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2569 * dwarf2out.c: Added explanation of abbreviations.
2570 (def_cfa_1): Added comments listing DWARF2 instructions.
2571 (cfa_temp_reg): Removed in favor of cfa_temp.
2572 (cfa_temp_value): Removed in favor of cfa_temp.
2573 (cfa_temp): New global variable.
2574 (dwarf2out_frame_debug_expr): Added extensive introductory
2575 comments explaining the function's transformations. Revised to
2576 use cfa_temp. Added some rtx checking. Generalize IOR case.
2577 (dwarf2out_frame_debug): Revised to use cfa_temp.
2578 (output_aranges): Cast as "unsigned" to avoid warning.
2579 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2580 explain which instructions must be marked.
2582 2001-02-01 Richard Henderson <rth@redhat.com>
2584 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2587 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2589 * config/sh/crt1.asm (main_k): Modified so that start calls
2590 ___setup_argv_and_call_main.
2592 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2594 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2595 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2596 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2597 * cppmacro.c (builtin_macro): Set builtin flags here.
2598 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2599 (replace_args): Clarify intent.
2600 (cpp_get_token): Macro expansion tokens get the saved flags.
2602 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2605 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2607 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2610 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2612 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2613 returns Pmode pseudo, but we need ptr_mode.
2614 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2615 Remove bogus conversions; use HOST_WIDE_INT for size.
2616 Don't use TARGET if wrong mode.
2618 * config/i386/i386.c (ix86_compute_frame_size): Allow
2619 stack_alignment_needed to be non-default even if size is zero.
2621 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2623 * (hppa_init_pic_save): Emit the pic offset table
2624 reg save after last_parm_insn.
2625 * pa.c (hppa_init_pic_save): New function.
2626 * pa.h (hppa_init_pic_save): Declare.
2627 * pa.md (call, call_value, sibcall, sibcall_value): Use
2628 the above instead of duplicated code.
2630 * pa.c (hppa_encode_label): Correct size of alloca buffer
2631 so we don't overrun it. Correct leading `*' case.
2632 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2633 need to handle `*@'.
2634 (FUNCTION_NAME_P): Likewise.
2636 2001-01-31 Richard Henderson <rth@redhat.com>
2638 * config.gcc (alpha-osf5): Use float-i128.h.
2640 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2641 * config/float-i32.h: Likewise.
2642 * config/float-i64.h: Likewise.
2643 * config/float-sh.h: Likewise.
2644 * config/float-sparc.h: Likewise.
2646 2001-01-31 DJ Delorie <dj@redhat.com>
2648 * expmed.c (extract_bit_field): allow non-integral modes if we
2649 want to extract a whole register from itself.
2651 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2653 * c-typeck.c (set_init_index): If first is equal to last, assume as
2654 if it was not a range at all.
2656 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2658 * config/fp-bit.c: Include tm.h.
2659 (float_to_si): Don't assume SImode is 32-bits wide.
2660 (float_to_usi): Likewise.
2662 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2664 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2666 (typename): Call pending_xref_error after parsing typed_typespecs.
2667 * c-decl.c (lookup_tag): Give error immediately rather than
2668 leaving it pending if the tag of the wrong type is in the same
2670 (xref_tag): Don't pedwarn for forward declarations of enum types
2672 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2675 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2677 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2679 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2681 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2682 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2684 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2686 * cpphash.h (struct cpp_reader): New saved_flags.
2687 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2688 to avoid a paste after a pasted token.
2690 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2692 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2693 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2694 Wtype_MIN instead of LONG_MIN.
2696 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2698 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2700 * fixinc/fixincl.x: Regenerated.
2701 * fixinc/inclhack.def (irix_limits_const): New definition to
2702 convert "const" to "__const" in limits.h.
2704 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2706 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2708 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2710 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2711 when register dies in the insn.
2713 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2715 * diagnostic.c (fatal): Fix word wrap.
2717 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2719 * combine.c (try_combine): Fix SUBREG setting for
2720 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2722 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2724 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2727 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2729 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2731 * toplev.c (decode_W_option): Update warn_larger_than
2732 unconditionally for each processed switch.
2734 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2736 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2738 (hppa_expand_prologue): Delete code to save pic offset table register
2739 in the function prologue.
2740 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2741 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2742 table register at the beginning of the function after the prologue.
2744 2001-01-29 lars brinkhoff <lars@nocrew.org>
2746 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2748 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2749 Jeff Law <law@redhat.com>
2751 * pa.md (return): Revise comment for trivial return.
2752 (return_internal): Non-trivial return pattern for non-PIC code.
2753 (return_internal_pic): Non-trivial return pattern for PIC code.
2754 It uses the PIC register to ensure it is restored after
2756 (epilogue): Generate appropriate return for PIC and non-PIC code.
2758 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2760 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2762 2001-01-29 DJ Delorie <dj@redhat.com>
2764 * combine.c (if_then_else_cond): Pass the correct mode to
2765 operand_subword() for constants.
2767 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2769 * config/i386/cygwin.h: Add w32api to include search. Search different
2770 directories in a cross-build environment.
2772 2001-11-29 Tim Josling <tej@melbpc.org.au>
2774 * tree.h (TYPE_STUB_DECL): Add documentation.
2776 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2778 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2779 (sdbout_field_types): Likwise. Fix use of host_integerp.
2781 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2783 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2786 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2788 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2789 to use flag_gnu_linker.
2791 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2793 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2794 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2796 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2798 * tree.c, tree.h (build_parse_node): Remove; was identical to
2800 * c-lang.c (start_cdtor), objc/objc-act.c
2801 (build_module_descriptor): Use build_nt instead of
2804 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2806 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2807 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2808 not have any upper bits set.
2810 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2812 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2814 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2816 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2818 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2820 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2821 (integer_minus_one_node): Define.
2823 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2825 * Makefile.in (bootstrap2-lean): Fix typo.
2827 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2829 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2830 : Don't set fe_value.
2831 * cpplib.h (AVOID_LPASTE): New flag.
2832 (struct cpp_hashnode): Remove fe_value.
2833 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2834 * cppmacro.c (builtin_macro): Don't set flags here.
2835 (replace_args): Set AVOID_LPASTE flag on first token of an
2836 argument, and the token following it.
2837 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2838 macro expansion, and on the token following it. Do it for
2840 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2842 2001-01-27 Richard Henderson <rth@redhat.com>
2844 * config/alpha/t-ieee: Remove multilibbing.
2845 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2847 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2849 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2851 * Makefile.in: Remove all dependencies on defaults.h.
2852 * builtins.c: Don't include defaults.h.
2853 * c-common.c: Likewise.
2854 * c-decl.c: Likewise.
2855 * c-pragma.c: Likewise.
2856 * c-typeck.c: Likewise.
2857 * combine.c: Likewise.
2859 * frame-ia64.c: Likewise.
2860 * cppexp.c: Likewise.
2861 * crtstuff.c: Likewise.
2862 * dbxout.c: Likewise.
2863 * dwarf2out.c: Likewise.
2864 * dwarfout.c: Likewise.
2865 * emit-rtl.c: Likewise.
2866 * except.c: Likewise.
2868 * final.c: Likewise.
2869 * frame-dwarf2.c: Likewise.
2870 * libgcc2.c: Likewise.
2871 * optabs.c: Likewise.
2872 * profile.c: Likewise.
2873 * sdbout.c: Likewise.
2874 * toplev.c: Likewise.
2875 * tradcif.y: Likewise.
2877 * varasm.c: Likewise.
2879 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2881 * builtins.c (expand_builtin_fputs): Use size_one_node when
2882 transforming into fwrite.
2884 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2886 * extend.texi (Attribute Syntax): New section.
2888 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2890 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2891 they didn't need fixing.
2893 2001-01-27 Janis Johnson <janis@us.ibm.com>
2895 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2897 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2898 to remove macro definitions that are duplicated from elfos.h.
2900 2001-01-27 Richard Henderson <rth@redhat.com>
2902 * config/i386/sco5gas.h: Move ...
2903 * config/usegas.h: ... here.
2904 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2906 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2908 * c-typeck.c (struct constructor_stack): Add range_stack member.
2909 (really_start_incremental_init): Clear it.
2910 (push_init_level): Save constructor_range_stack and clear it if
2911 pushing explicit braces.
2912 (pop_init_level): abort if constructor_range_stack is non-zero at
2913 explicit closing brace. Restore saved constructor_range_stack if
2916 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2918 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2919 into register was forced into memory.
2921 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2923 * Makefile.in: Remove uses of + before $(MAKE).
2925 2001-01-26 Richard Henderson <rth@redhat.com>
2927 * stmt.c (cost_table): Remove.
2928 (COST_TABLE, cost_table_initialized): New.
2929 (estimate_case_costs): Use the later instead of the former.
2930 (balance_case_nodes): Likewise.
2932 2001-01-26 Richard Henderson <rth@redhat.com>
2934 * alias.c (objects_must_conflict_p): Read-only slots may not
2935 conflict despite having the same type.
2937 2001-01-27 Michael Hayes <mhayes@redhat.com>
2939 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2941 (check_ext_dependant_givs): Initialise u_start_val and
2943 (load_mems): Make last_max_reg unsigned.
2944 (try_swap_copy_prop): Use INSN_P and initialise set.
2946 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2948 * README.AVR : Removed.
2950 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2952 * pa-64.h (text_section): Remove declaration.
2954 * pa.md (return_internal): Remove mode on PIC register use.
2956 2001-01-25 lars brinkhoff <lars@nocrew.org>
2958 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2959 ASM_CLOSE_PAREN): fix typos.
2961 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2963 * acconfig.h: Define `const' to the empty string if neither
2964 __STDC__ nor __cplusplus is defined.
2965 * config.in: Regenerated.
2967 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2969 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2970 * collect2.c (main): Delete importf. Add ".obj" file extension.
2971 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2972 (aix_std_libs): Add additional AIX libraries to skip.
2973 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2974 * config/rs6000/aix51.h: New file.
2976 2001-01-25 Michael Hayes <mhayes@redhat.com>
2978 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2979 (loop_insn_emit_before): No longer static.
2980 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2981 (loop_givs_rescan, load_mems): Likewise.
2982 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2983 (maybe_eliminate_biv_1):
2984 (move_movables): Replace emit_call_insn_before with
2985 loop_call_insn_hoist.
2986 * loop.h (loop_insn_emit_before): Add.
2987 * unroll.c (copy_loop_body): Replace emit_insn_before with
2988 loop_insn_emit_before.
2990 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2992 * diagnostic.c (fatal): Request preprocessed source.
2994 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2996 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2997 olddecl has argument types and newdecl has none, use the argument
3000 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3002 * dwarf2out.c (prefix_of): New function. Determine longest common
3003 prefix of the two arguments. The units are whole path components.
3004 (output_file_names): When adding a new directory find the one entry
3005 with the longest common prefix already in the list. Artificially
3006 generate entry if there is none for this prefix.
3007 Fix test to check whether the zeroth directory entry is used.
3009 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3011 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3012 Changed all callers. Take it into account when deciding if a
3013 previously loaded value matches.
3015 2001-01-24 Richard Henderson <rth@redhat.com>
3017 * reload.c (find_reloads_subreg_address): Fail the substitution
3018 if the resulting address is insufficiently aligned.
3020 2001-01-24 DJ Delorie <dj@redhat.com>
3022 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3023 check the original operand's mode also.
3024 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3026 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3028 * c-parse.in (cast_expr): Move compound literals from here ...
3029 (primary): ... to here. Use standard terminology "compound
3030 literal" instead of "constructor expression".
3032 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3034 * gcc.1, cpp.1: Regenerate.
3036 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3038 * calls.c (emit_library_call_value_1): Memory slot for
3039 pass-by-reference argument should have the mode of the argument,
3040 not of the pointer to it.
3042 2001-01-24 Tom Tromey <tromey@redhat.com>
3044 * gcc.texi (G++ and GCC): Mention gcj manual.
3045 (Standards): Link to section of manual mentioning gcj/Java
3048 2001-01-24 Jakub Jelinek <jakub@redhat.com>
3050 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
3051 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
3052 * tradcpp.c (main): Add -imacros or -include'd dependencies
3054 * cpp.texi (-M, -MM): Document -M -include behaviour.
3056 2001-01-24 Roger Collins <roger@ProProject.com>
3058 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
3060 2001-01-24 Will Cohen <wcohen@redhat.com>
3062 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
3063 whether registers are 32 bits or 64 bits in size.
3065 2001-01-24 Ben Elliston <bje@redhat.com>
3067 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3069 2001-01-24 Richard Henderson <rth@redhat.com>
3071 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3072 (builtin_longjmp): Use it instead of emit_indirect_jump.
3074 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3076 * bb-reorder.c (make_reorder_chain_1): Handle case where
3077 jump edge goes to the same block as the fallthru edge.
3079 2001-01-23 Jim Wilson <wilson@redhat.com>
3081 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3082 * frame.h (__ia64_personality_v1): Add prototype.
3083 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3084 prototype form. Add void * cast to first argument to personality
3086 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3087 (asctoe113): Likewise.
3088 * config/ia64/frame-ia64.c: Include eh-common.h.
3089 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3091 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3093 (itanium_split_issue): Add prototype.
3094 (gen_nop_type): Ifdef out.
3095 (find_best_packet): Initialize best_packet.
3096 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3098 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3099 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3100 (flushrs): Add explicit stop bit at end.
3101 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3104 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3106 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3108 * libgcc2.c (__terminate_func): Make variable static.
3109 (__terminate_set_func): New function to set __terminate_func.
3110 * libgcc2.h (__terminate_func_ptr): New typedef.
3111 (__terminate_set_func): New function.
3113 2001-01-23 Richard Henderson <rth@redhat.com>
3115 * flow.c (init_propagate_block_info): Don't consider unchanging
3116 memories for dead frame store elimination.
3118 2001-01-23 Richard Henderson <rth@redhat.com>
3120 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3121 * defaults.h: ... here.
3123 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3125 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3127 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3129 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3131 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3133 * rs6000.h (rs6000_return_addr): Move prototype from here...
3134 * rs6000-protos.h (rs6000_return_addr): ...to here.
3135 (rs6000_init_expanders): Delete prototype.
3137 2001-01-23 Nick Clifton <nickc@redhat.com>
3139 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3140 (Spec Files): Document %B and %j and %. and %v3 and %M and
3141 %{S*&T} spec switches.
3143 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3145 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3147 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3148 Neil Booth <neil@daikokuya.demon.co.uk>
3150 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3151 Have -Werror make pedantic warnings errors, like the
3154 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3156 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3158 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3160 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3161 * integrate.c (expand_inline_function): Initialize them.
3162 (subst_constants): If changing COMPARE so that both its arguments
3163 will be VOIDmode and the comparison mode will be lost, note
3164 compare_mode. Use the recorded compare_mode to optimize
3167 2001-01-23 Jason Merrill <jason@redhat.com>
3169 * dwarf2out.c (new_die): Use xcalloc.
3170 (output_die): Abort rather than emit a local reference to offset 0.
3172 2001-01-17 Andrew Haley <aph@redhat.com>
3174 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3175 of a saved register; return NULL instead.
3176 (copy_reg): Take a pointer to a source register rather than a
3178 (next_stack_level): Remember the address in the stack frame of all
3180 Use the saved register pointer array as the source of the CFA.
3181 (throw_helper): Rewrite. Unwind once rather than twice and keep
3182 track of saved registers as we go.
3184 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3186 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3187 * c4x.c (c4x_legitimize_reload_address): Remove.
3188 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3189 reload address for ldp(k) insn.
3191 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3193 * pa.md (return_internal): Add a USE of the PIC register to ensure
3194 it is restored after each call.
3195 (return expander): Corresponding changes.
3197 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3199 * rs6000.h (INIT_EXPANDERS): Delete.
3200 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3201 * rs6000.c (rs6000_override_options): Call *_machine_status from
3203 (rs6000_init_expanders): ...instead of here. Delete.
3204 (rs6000_mark_machine_status): New function.
3205 (rs6000_init_machine_status): Use xcalloc.
3206 (rs6000_return_addr): Generate RTX for the return address.
3207 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3208 (rs6000_stack_info): Use it.
3210 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3212 * gthr-win32.h: Include errno.h to get a declaration for
3213 EINVAL and _mingw.h if the target is mingw32.
3215 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3217 * cpp.texi: Correct typos.
3219 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3221 * explow.c (probe_stack_range): Ensure value passed to
3222 stack_check_libfunc is ptr_mode, not Pmode.
3224 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3226 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3227 case, don't use operand_subword to calculate a SUBREG that is
3230 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3232 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3234 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3235 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3236 valid. If not replace it by equivalent insns.
3238 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3240 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3241 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3242 (c4x_U_constraint, symbolic_address_operand): Likewise.
3243 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3245 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3246 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3247 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3248 anulling slot because of silicon bug.
3249 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3251 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3253 * cppexp.c (parse_charconst): Change `mask' type to agree
3256 2001-01-21 Richard Henderson <rth@redhat.com>
3258 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3259 pic_label_name in a linkonce section.
3261 2001-01-17 Philipp Thomas <pthomas@suse.de>
3263 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3265 * configure: Regenerate.
3267 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3269 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3270 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3272 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3274 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3275 If REVERSE nonzero then condition code in X must be reversed.
3276 (encode_section_info): Optimise if/else.
3277 (avr_function_value): Fix formatting.
3279 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3280 (difficult_branch): Likewise.
3281 (rvbranch): Likewise.
3282 (difficult_rvbranch): Likewise.
3284 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3286 * config/avr/libgcc.S: Fix comment.
3288 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3290 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3292 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3294 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3296 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3298 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3299 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3300 * configure, config.in: Regenerate.
3301 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3302 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3303 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3304 (doprint.o): New rule.
3306 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3308 * c-typeck.c (digest_init): Handle boolean types as scalars.
3310 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3312 * stmt.c (expand_return): Don't return anything if size is zero.
3313 Delete redundant assignment to BYTES.
3314 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3316 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3318 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3319 the same as the default library function names.
3320 * config/avr/avr.md: Document special characters after '%'.
3321 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3322 knowing which of the call-used registers are really clobbered.
3323 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3324 New. Both quotient and remainder from one libgcc.S call.
3325 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3326 clobber as few registers as possible.
3327 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3329 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3331 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3332 context of the top of the stack.
3334 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3336 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3337 (fixup_var_refs_insns): ...here.
3339 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3341 * function.c (fixup_var_refs_insns): Break up into
3342 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3343 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3344 [loop over hash table entries].
3345 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3346 fixup_var_refs_insns_with_hash, to match above changes.
3348 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3350 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3351 (libgcc.a): Likewise.
3352 (stmp-multilib): Likewise.
3353 (STAGE2_FLAGS_TO_PASS): Likewise.
3355 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3357 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3358 temporary if no_new_pseudos.
3360 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3362 * cppinternals.texi: Update.
3364 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3366 * arm.c (arm_init_builtins): Re-enable builtins.
3368 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3370 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3371 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3372 element to be null, and always expect an EXPR_LIST.
3373 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3374 * sched-deps.c (sched_analyze_1): Likewise.
3375 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3377 * regclass.c (max_set_parallel): New variable.
3378 (reg_scan): Take it into account in computation of max_parallel.
3379 (reg_scan_mark_refs, case SET): Compute it.
3381 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3383 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3384 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3386 2001-01-19 Jason Merrill <jason@redhat.com>
3388 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3389 for the abstract instance of an inline function.
3391 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3392 J"orn Rennecke <amylaar@redhat.com>
3394 * reload1.c (move2add_note_store): Treat all registers directly or
3395 indirectly derived from a base register as members of the same set
3397 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3398 of base register into account.
3400 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3402 * alias.c (find_base_value): Recognize TRUNCATE.
3403 (record_set): In PLUS case, invalidate if other summand is also a
3406 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3408 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3409 entry to be EXPR_LIST.
3410 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3411 be an EXPR_LIST (but not null, which other code doesn't allow).
3412 (note_stores): Properly handle PARALLEL in SET.
3413 Recursively call for top-level PARALLEL.
3414 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3415 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3417 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3419 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3421 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3422 not pfile->skipping (== 0).
3424 2001-01-17 Nick Clifton <nickc@redhat.com>
3426 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3429 2001-01-17 Jim Wilson <wilson@redhat.com>
3431 * invoke.texi (IA-64 options): Improve.
3433 2001-01-17 Tom Tromey <tromey@redhat.com>
3435 * invoke.texi (Optimize Options): Use `{}' to around @samp
3438 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3440 * invoke.texi (-fno-guess-branch-probability): New option.
3442 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3444 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3445 case of making new double-word constant.
3446 Revert last change: instead just test i3_subst_into_i2.
3448 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3450 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3451 Use q constraints instead of r.
3453 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3455 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3456 (machine_function): Define.
3457 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3458 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3459 pa_free_machine_status): New functions.
3460 (override_options): Set {init,mark,free}_machine_status to above.
3461 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3462 PIC_OFFSET_TABLE_REGNUM_SAVED.
3463 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3464 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3465 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3466 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3467 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3469 2001-01-15 DJ Delorie <dj@redhat.com>
3471 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3475 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3477 * flow.c (propagate_on_insn): Make trying to delete a prologue
3478 or epilogue insn an ICE, not a warning. Allow doing this if
3479 the current function returns with stack pointer depressed.
3481 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3482 I3 having more than one SET.
3484 2001-01-16 Jim Wilson <wilson@redhat.com>
3486 * invoke.texi: Document IA-64 options.
3488 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3489 (fixup_errata): Delete TARGET_A_STEP use.
3490 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3491 (TARGET_SWITCHES): Delete -ma-step option.
3492 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3493 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3494 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3495 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3496 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3497 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3499 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3500 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3501 cmovsi_internal): Delete ! TARGET_A_STEP check.
3503 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3505 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3506 possibility to report bugs via postal mail. Change a URL and
3507 merge in a nearly duplicate statement...
3508 (Bug Reporting): ...from here.
3509 (Service): Refer to the Bug Reporting section instead of
3511 (Contributing): Remove trivial explanations concerning snapshots.
3513 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3515 * cppmain.c (general_init): Don't use ANSI prototype.
3517 2001-01-16 Tom Tromey <tromey@redhat.com>
3519 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3521 2001-01-16 Richard Henderson <rth@redhat.com>
3523 * config/i386/i386.h: Fix comment typo.
3524 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3525 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3527 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3529 * gcc.c: Revert previous -fsyntax-only-related change; move
3532 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3534 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3535 inmode after checking GET_CODE (op).
3537 2001-01-16 Richard Henderson <rth@redhat.com>
3539 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3540 (MAX_MEM_SET_LIST_LEN): New.
3541 (propagate_one_insn): Update mem_set_list_len.
3542 (invalidate_mems_from_autoinc): Likewise.
3543 (invalidate_mems_from_set): Likewise.
3544 (mark_used_regs): Likewise.
3545 (init_propagate_block_info): Likewise. Stop collecting memories
3546 when we reach MAX_MEM_SET_LIST_LEN.
3547 (mark_set_1): Likewise.
3549 2001-01-16 Richard Henderson <rth@redhat.com>
3551 * unroll.c (precondition_loop_p): Fail if no iteration
3554 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3556 * gcc.c: When -fsyntax-only is given, do not complain about
3559 2001-01-15 Richard Henderson <rth@redhat.com>
3561 * config/i386/i386.c (asm_output_function_prefix): Remove.
3562 (ix86_asm_file_end): New.
3563 (load_pic_register): Generate pic_label_name into a
3564 staticly allocated buffer.
3565 * config/i386/i386-protos.h: Update.
3566 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3567 (ASM_FILE_END): New.
3568 * config/i386/i386afe.h: New file.
3569 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3570 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3571 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3572 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3573 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3574 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3575 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3577 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3579 * Makefile.in (install-man): Remove explicit dependency on
3582 * configure.in, configure: Revert previous patch requiring perl
3585 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3587 * toplev.c (flag_guess_branch_prob): New.
3588 (f_options): Add guess-branch-probability option.
3589 (rest_of_decl_compilation): Only estimate branch probability if
3591 (main): set flag_guess_branch_prob.
3593 * flags.h (flag_guess_branch_prob): New.
3595 2001-01-15 DJ Delorie <dj@redhat.com>
3597 * gcc.texi (Makefile): Add documentation for Makefile targets.
3599 2001-01-15 Philip Blundell <philb@gnu.org>
3601 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3603 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3604 (is_pic): Delete declaration.
3605 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3606 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3607 * config/arm/arm.md (builtin_setjmp_receiver): New.
3609 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3611 * arm.c (use_return_insn): Don't try to determine the function type
3612 until after reload has completed.
3613 (arm_output_epilogue): Don't adjust the sp value recovered from the
3615 (emit_multi_reg_push): Don't record dwarf information for the pc.
3616 * arm.md (eh_epilogue): The function type may have changed, so it
3617 needs to be recalculated.
3618 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3619 unwind tables on arm/netbsd.
3621 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3623 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3624 (negated_cbranchsi4): Likewise.
3626 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3628 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3629 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3630 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3631 pass -mapcs-* options to assembler.
3632 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3633 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3634 (ASM_SPEC): Call subtarget_extra_asm_spec.
3636 2001-01-15 Andreas Jaeger <aj@suse.de>
3638 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3640 (ix86_expand_builtin): Likewise.
3642 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3643 warning about comparison between signed and unsigned.
3645 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3647 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3649 2001-01-14 Ralf Baechle <ralf@gnu.org>
3651 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3652 SUBTARGET_CPP_SPEC apropriatly.
3654 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3656 * varasm.c (make_decl_rtl): Fix typo in last change.
3658 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3660 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3661 linker supports the init_priority C++ attribute.
3662 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3663 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3664 linker does not support init_priority C++ attribute.
3666 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3668 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3670 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3672 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3673 * cp/lex.c (finish_parse): Similarly.
3674 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3675 Return the number of errors encountered.
3676 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3677 * cppmain.c (main): Don't call cpp_destroy.
3679 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3681 * configure.in: Require at least perl 5.6.0 to regenerate
3683 * configure: Regenerate.
3685 2001-01-14 Richard Henderson <rth@redhat.com>
3687 * genrecog.c (DT_veclen_ge): New.
3688 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3689 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3690 (nodes_identical_1): Handle DT_veclen_ge.
3691 (write_cond, debug_decision_2): Likewise.
3693 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3695 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3697 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3699 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3701 * cppmain.c (do_preprocessing): New function; most of the old
3703 (main): Call it to do most of the work.
3704 (cb): Move from global scope to set_callbacks ().
3705 (setup_callbacks): Get the callback pointer.
3706 (general_init, printer_init): Clean up code and comments.
3708 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3710 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3713 2001-01-14 Kazu Hirata <kazu@hxi.com>
3715 * config/h8300/h8300.c (get_shift_alg): Update comments.
3717 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3719 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3720 (alloc_page, ggc_alloc): Add casts to remove warnings.
3722 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3724 * combine.c (simplify_comparison): Don't change `code' when
3725 can't reverse comparison.
3727 2001-01-14 Richard Henderson <rth@redhat.com>
3729 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3730 update all call sites. Return true for all non-label constants.
3732 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3734 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3736 (ix86_expand_branch): Update.
3737 (ix86_expand_setcc): Update to handle multiple test conditions.
3738 (expand_int_movcc): Likewise.
3739 (expand_fp_movcc): Likewise.
3740 * i386-protos.h (ix86_expand_compare): New.
3741 * i386.md (andqi_?_slp, orqi_?_slp): New.
3742 (conditional trap expander): Update call to ix86_expand_compare.
3744 2001-01-14 Richard Henderson <rth@redhat.com>
3746 * config/vax/vax.md: Use nonimmediate_operand instead of
3747 general_operand in destinations.
3749 * config/vax/vax.md (indirect_jump): Use register_operand.
3751 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3752 * config/vax/vax.md (call_pop): Turn into an expander.
3753 (call_value_pop): Likewise.
3754 (call, call_value): New.
3756 2001-01-14 Andreas Jaeger <aj@suse.de>
3758 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3760 (ix86_fp_compare_mode): Add unused attribute.
3761 (ix86_expand_fp_movcc): Remove unused variable.
3762 (ix86_expand_builtin): Make fcode unsigned.
3764 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3765 (expand_expr): Add cast to avoid signed warning.
3766 (store_field): Likewise.
3767 (store_constructor_field): Likewise.
3768 (store_constructor): Likewise.
3769 (store_expr): Likewise.
3770 (clear_storage): Likewise.
3771 (emit_group_store): Likewise.
3772 (emit_group_load): Likewise.
3774 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3776 * c-common.c: Move format checking code to ...
3777 * c-format.c: ... here. New file. Reorder some functions and
3779 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3781 * c-common.h (decl_handle_format_attribute,
3782 decl_handle_format_arg_attribute): Declare.
3783 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3784 (c-common.o): Adjust dependencies.
3785 (c-format.o): New list of dependencies.
3787 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3789 * unroll.c (loop_iterations): If we cannot prove iteration variable
3790 is set once in each iteration, punt.
3792 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3794 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3795 (*strlenhi): Remove clobber (which was buggy) of output address.
3797 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3799 * Makefile.in (generated-manpages): Add gcc.1
3800 ($(srcdir)/gcc.1): New target.
3801 (maintainer-clean): Delete $(srcdir)/gcc.1.
3802 * gcc.texi: Add macros @gccoptlist and @gol.
3803 * invoke.texi: Include option summary in manpage. Mark up option
3804 summary with @gccoptlist and @gol. Use @r in one place where
3806 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3807 * gcc.1: Generate from invoke.texi.
3809 2001-01-13 Richard Henderson <rth@redhat.com>
3811 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3812 (struct page_entry): Add group member.
3813 (struct page_group): New.
3814 (struct globals): Add page_groups member.
3815 (alloc_anon): Only define for using mmap; remove valloc call.
3816 (page_group_index): New.
3817 (set_page_group_in_use): New.
3818 (clear_page_group_in_use): New.
3819 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3820 (free_page, release_pages): Likewise.
3821 * configure.in (with-gc): Default to ggc-page always.
3823 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3825 * reload1.c (replace_pseudos_in_call_usage): Use
3826 reg_equiv_constant and reg_equiv_address, and don't try
3827 regno_reg_rtx first.
3829 2001-01-13 Richard Henderson <rth@redhat.com>
3831 * ggc-page.c (alloc_page): Round up allocation size to one page.
3832 Set e->order on extra pages.
3834 2001-01-13 Richard Henderson <rth@redhat.com>
3836 * genrecog.c (nodes_identical): Expand commentary.
3837 (write_switch): Watch out for identical nodes.
3839 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3841 * cppfiles.c (_cpp_fake_include): New function.
3842 * cpphash.h (_cpp_fake_include): New.
3843 * cpplib.c (do_line): Call _cpp_fake_include when entering
3844 header files in preprocessed input.
3845 * cppmain.c (cb_pragma_implementation): Remove handling.
3846 (setup_callbacks): Don't register pragmas.
3848 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3850 * extend.texi: Udate for CPP.
3852 2001-01-13 Andreas Jaeger <aj@suse.de>
3854 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3856 * regmove.c: Add prototype for replace_in_call_usage.
3858 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3860 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3861 struct cpp_chunk, struct htab, struct toklist,
3862 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3863 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3864 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3865 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3866 (struct macro_args): Delete.
3867 * cpphash.h: See above.
3869 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3871 * cppmain.c (struct printer): Remove no_line_dirs.
3873 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3874 : Use options rather than CPP_OPTION.
3875 (setup_callbacks): Use cb rather than pfile->cb.
3876 (main): No need to check for a buffer. Use cpp_errors.
3877 (printer_init): Don't set no_line_dirs.
3878 (maybe_print_line): Use options not no_line_dirs.
3879 (cb_file_change): Don't call print_line if -P.
3881 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3883 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3885 * c-parse.in (finish_parse): Use cpp_errors.
3886 (__yylex): Use return value of cpp_pop_buffer.
3887 * cp/lex.c (finish_parse): Use cpp_errors.
3888 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3890 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3892 * README.AVR: URLs corrected.
3894 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3896 * c-decl.c (start_function): Don't warn if old prototype is builtin
3897 that's not in C's namespace.
3898 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3899 (_bb): Add prototype for ctime.
3900 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3902 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3904 * i386.c (ix86_fp_comparison_arithmetics_cost,
3905 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3906 ix86_fp_comparison_cost): New functions.
3907 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3908 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3909 two-branch sequences; make static.
3910 (ix86_use_fcomi_compare): Do decision according to the costs.
3911 (split_fp_branch): New.
3912 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3913 * i386-protos.h (ix86_expand_fp_compare): Remove
3914 (ix86_split_fp_branch): Declare.
3916 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3917 and ix86_comparison_operator.
3919 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3922 * i386.c (put_condition_code): Output properly the unordered/ordered
3923 compares in fp case.
3924 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3926 * tm.texi (REVERSE_CONDITION): Document.
3927 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3928 in -ffast-math mode.
3929 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3931 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3933 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3935 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3938 * config/sh/sh.c (mova_p): Fix test for mova_const.
3940 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3942 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3943 cpp_get_options rather than dereferencing pfile and using
3945 * scan-decls.c (scan_decls): Use return value of
3946 cpp_pop_buffer rather than CPP_BUFFER.
3948 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3950 * cppinit.c (cpp_handle_option): help_only is now part of the
3951 cpp_options structure.
3952 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3953 cpp_set_callbacks): New functions.
3954 * cpplib.h (cpp_callbacks): Break out as a named structure.
3955 (cpp_options): Move help_only here from cpp_reader.
3956 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3957 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3958 cpp_set_callbacks): New prototypes.
3959 * cppmain.c (main): Update for help_only.
3961 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3963 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3964 Also build and remove and install and uninstall c-tree.info and
3966 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3967 ($(srcdir)/cppinternals.info): New target.
3968 * c-tree.texi: Change file name used when makeinfo used without -o
3969 from ir.info to c-tree.info. Add info directory entry.
3970 * cppinternals.texi: Add info directory entry.
3971 * .cvsignore: Update.
3973 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3975 * c-typeck.c (store_init_value): Don't require constant initializer
3976 elements with -pedantic -std=c99.
3977 (digest_init): Change error about non-constant initializer elements
3979 (constructor_range_end): Remove.
3980 (constructor_incremental, designator_depth,
3981 designator_errorneous): New variables.
3982 (struct constructor_stack): Remove range_end, add incremental.
3983 (struct constructor_range_stack, constructor_range_stack): New.
3984 (struct initializer_stack): Add constructor_range_stack.
3985 (finish_init): Set it.
3986 (start_init): Likewise. require_constant_elements for non-static
3987 trees only if not flag_isoc99.
3988 (really_start_incremental_init): Remove constructor_range_end, add
3989 constructor_incremental.
3990 (pop_init_level): Likewise.
3991 (push_init_level): Likewise. If implicit and the subobject had some
3992 value set already, preinitialize the level with it.
3993 Warn about missing braces only if not pushing due to designators.
3994 (set_designator, push_range_stack): New functions.
3995 (set_init_label): Use them.
3996 (set_init_index): Likewise. Remove constructor_range_end.
3997 Error if designator index is outside of array bounds.
3998 (add_pending_init): Compare values of purpose index trees, not the
3999 trees themselves. Allow overwriting of already initialized element.
4000 Issue a warning if it had side-effects.
4001 (set_nonincremental_init, set_nonincremental_init_from_string): New
4003 (pending_init_member): Rename to...
4004 (find_init_member): ...this function. Call set_nonincremental_init
4005 if necessary. Compare values of purpose index trees, not the trees
4006 themselves. Return the actual value, not just non-zero if something
4008 (output_init_element): Remove checks for duplicates.
4009 If field has zero size, only check the initializer for correctness.
4010 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4011 if constructor_incremental is zero. Change error about initializers
4012 not computable at load time into pedwarn.
4013 (output_pending_init_elements): Compare bit positions, not
4014 FIELD_DECLs to take into account zero-sized fields.
4015 (process_init_element): Use constructor_range_stack to fill all
4016 ranges in the designator lists from current level up.
4017 * extend.texi: Update documentation for labeled elements.
4019 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4021 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4022 to function usage for arguments passed by reference. Optimize
4023 callee-copied arguments.
4024 * regmove.c (replace_in_call_usage): New function.
4025 (fixup_match_1): Call it.
4026 * cse.c (cse_insn): Canonicalize registers in function usage.
4027 * reload1.c (replace_pseudos_in_call_usage): New function.
4030 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4033 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4035 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4038 2001-01-12 DJ Delorie <dj@redhat.com>
4040 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
4041 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
4044 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4046 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
4047 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
4048 -std options alongside references to -ansi. Update some
4049 documentation for C99.
4050 * cpp.1: Regenerate.
4052 2001-01-12 Andreas Jaeger <aj@suse.de>
4054 * haifa-sched.c (restore_line_notes): Remove argument block B
4056 * sched-ebb.c (schedule_ebb): Change caller.
4057 * sched-rgn.c (schedule_region): Likewise.
4058 * sched-int.h (restore_line_notes): Adjust prototype.
4060 * loop.h: Remove wrong declaration of doloop_condition_get.
4062 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4064 * extend.texi: Move C++-extension-related node from the C section
4065 into the C++ section.
4067 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4069 * extend.texi: Refer to an array of pointers to functions instead
4070 of one of functions.
4072 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4073 Jan Hubicka <jh@suse.cz>
4075 * combine.c (reversed_comparison): Fix typo in last patch.
4077 (combine_reversed_comparison_code): Make static to follow
4078 prototype declaration.
4080 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4082 * install.texi: Remove misplaced duplicate entry.
4084 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4086 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4088 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4090 * final.c: (leaf_function_p): Fix typo.
4092 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4094 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4095 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4097 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4098 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4099 mmap_anon, and valloc is available.
4100 * ggc-page.c: Restructure ifdef logic to match new autoconf
4101 spec. Don't throw away the test page in init_ggc.
4103 * configure, config.in: Regenerate.
4105 2001-01-12 Michael Hayes <mhayes@redhat.com>
4107 * loop.h (total_biv_increment): Constify iv_class pointer.
4108 (struct induction): Replace `mem_mode' with `mem' rtx.
4109 * unroll.c (total_biv_increment): Constify iv_class pointer.
4110 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4111 (find_mem_givs, combine_givs_p): Likewise.
4112 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4114 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4116 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4118 (__gthread_getspecific): Ditto.
4120 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4122 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4123 put_condition_code): Convert fp comparison codes to integer
4125 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4128 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4129 * i386-protos.h (no_comparison_operator): Kill.
4131 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4133 * combine.c (REVERSIBLE_CC_MODE): Remove.
4134 (reversible_comparison_p): Remove.
4135 (combine_reversed_comparison_code): New.
4136 (reversed_comparison): New.
4137 (combine_simplify_rtx): Use
4138 combine_reversed_comparison_code/reversed_comparison instead
4139 of reversible_comparison_p.
4140 (simplify_if_then_else): Likewise.
4141 (simplify_set): Likewise.
4142 (simplify_logical): Likewise.
4143 (if_then_else_cond): Likewise.
4144 (known_cond): Likewise.
4145 (simplify_comparison): Likewise.
4147 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4149 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4150 sizeof (int) is larger than sizeof(__word__).
4152 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4154 * cppinit.c (do_includes): Fix typo.
4156 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4158 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4159 in S_REGS does not occur because not all sources are possible
4160 when a S_REGS is a destination (sometimes needs a clobber).
4161 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4162 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4163 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4164 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4165 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4166 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4167 (lshrdi_const1, lshrsi3_const16): Likewise.
4168 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4169 (*movhi_68hc12, *movqi_68hc12): Likewise.
4170 (movstrictqi): Make sure reloading in D_REGS as a destination
4173 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4175 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4177 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4179 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4180 -D, -U and -A, and don't initialize the builtins.
4181 (do_includes): Error if -include or -imacros with -fpreprocessed.
4182 * cppmain.c (cb_define, cb_undef): Unconditionally process
4184 * tradcpp.c (main): Fix typo.
4186 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4188 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4189 (read_name_map): Use IS_ABSOLUTE_PATH.
4190 * tradcpp.c (get_filename): Likewise.
4192 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4194 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4195 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4196 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4197 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4198 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4199 (cmphi_z_used): Don't use '@' for the output.
4200 (tstqi_z_used): Likewise.
4201 (cmpqi_z_used): Likewise.
4202 (one_cmplsi2): Likewise.
4204 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4206 * config/sh/sh.c (barrier_align): Recognize branch around far
4207 branch and redundant insn.
4209 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4211 * invoke.texi: Restore documentation of the drivers' switches -MD
4214 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4216 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4218 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4219 check-objc//%): Support parallel testing of multilibs.
4220 (TESTSUITEDIR): Set to testsuite by default, but override for
4222 (check-gcc, check-g++, check-g77, check-objc): Enter
4225 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4227 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4228 * sched-deps.c (deps_may_trap_p): Likewise.
4229 * basic-block.h: Remove a comment.
4230 * flow.c (PROP_POSTRELOAD): Remove.
4231 (update_life_info): Don't add it to prop_flags.
4232 (mark_set_1): Lose the code that was enabled by it.
4234 2001-01-11 Michael Hayes <mhayes@redhat.com>
4236 * flow.c (flow_call_edges_add): New.
4237 * basic_block.h (flow_call_edges_add): New.
4239 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4241 * reload1.c (move2add_note_store): Update reg_set_luid even if
4242 base reg remains the same.
4244 2001-01-10 Nick Clifton <nickc@redhat.com>
4246 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4247 machine_function structure to zero.
4248 Add prototypes for machine_status functions.
4250 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4252 * c-common.h (CTI_VOID_LIST): Remove.
4253 (void_list_node): Likewise.
4254 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4255 (void_list_node): New macro.
4256 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4257 * config/i386/i386.c (ix86_init_builtins): Likewise.
4258 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4260 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4262 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4263 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4265 * tradcpp.c: Include mkdeps.h.
4266 (deps, print_deps_phony_targets, deps_append, output_deps,
4267 init_dependency_output, output_deps): New.
4268 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4269 deps_output): Delete.
4270 (print_deps_missing_files): Rename deps_missing_files.
4271 (inhibit_output): Make global.
4272 (main): Delete inhibit_output, deps_stream, deps_target.
4273 Use mkdeps functionality in the same way as cpplib. Remove
4274 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4275 -M and -MM. Remove old handling of deps via deps_out, and
4276 old reading of environment variables.
4277 (get_filename): Update to use deps_add_dep.
4279 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4281 * output.h (make_function_rtl): Remove prototype.
4282 (make_decl_rtl): Likewise.
4283 * varasm.c (make_function_rtl): Remove.
4284 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4285 than from a third parameter.
4286 * tree.h (make_decl_rtl): Remove last parameter.
4287 * c-decl.c (builtin_function): Remove last argument in call to
4288 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4289 (start_function): Likewise.
4290 * except.c (call_get_eh_context): Likewise.
4291 * expr.c (emit_block_move): Likewise.
4292 (clear_storage): Likewise.
4293 * profile.c (output_func_start_profiler): Likewise.
4294 * toplev.c (rest_of_decl_compilation): Likewise.
4295 * objc/objc-act.c (create_builtin_decl): Likewise.
4296 (synth_module_prologue): Likewise.
4297 (generate_static_reference): Likewise.
4298 (build_selector_reference_decl): Likewise.
4299 (build_class_reference_decl): Likewise.
4300 (build_objc_string_decl): Likewise.
4301 (build_protocol_reference): Likewise.
4303 2001-01-10 Richard Henderson <rth@redhat.com>
4305 * hwint.h: Revert yesterday's change.
4307 2001-01-10 Nick Clifton <nickc@redhat.com>
4309 * function.h (save_machine_status): Delete.
4310 (restore_machine_status): Delete.
4311 Amend comment describing {init|mark|free}_machine_status.
4313 * function.c (save_machine_status): Delete.
4314 (restore_machine_status): Delete.
4315 Amend comment describing {init|mark|free}_machine_status.
4316 (push_function_context_to): Remove invocation of
4317 save_machine_status.
4318 (pop_function_context_from): Remove invocation of
4319 restore_machine_status.
4321 * emit-rtl.c (init_emit_once): Amend comment describing
4322 {init|mark|free}_machine_status.
4324 * tm.texi (Per-Function Data): New node. Describe the
4325 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4328 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4330 * cppinit.c (OPT_g): Remove.
4331 (cpp_handle_option): Update for removed -g3.
4332 (print_help): Update.
4333 * cpplib.h (struct cpp_options): Remove debug_output.
4334 * cppmain.c (setup_callbacks, cb_define): Update.
4335 * gcc.c (cpp_options): Translate -g3 to -dD.
4337 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4339 * config/i960/i960.md: Change modifier to + on the zero_extract
4340 pattern after the (rotate -2 reg) canonicalization pattern.
4342 2001-01-10 Richard Henderson <rth@redhat.com>
4344 * config/alpha/alpha.c (alpha_free_machine_status): New.
4345 (override_options): Install it.
4346 (alpha_mark_machine_status): Verify machine non-null.
4347 * config/i386/i386.c (ix86_free_machine_status): New.
4348 (override_options): Install it.
4349 (ix86_init_machine_status): Use xcalloc.
4350 (ix86_mark_machine_status): Verify machine non-null.
4351 * config/ia64/ia64.c (ia64_free_machine_status): New.
4352 (ia64_override_options): Install it.
4353 (ia64_mark_machine_status): Verify machine non-null.
4355 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4357 * function.c (instantiate_virtual_regs): Instantiate virtual
4358 registers found in CALL_INSN_FUNCTION_USAGE.
4360 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4362 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4363 equivalent to -ansi in disabling -Di386.
4365 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4367 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4369 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4371 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4373 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4375 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4377 * invoke.texi: Document that -fcond-mismatch isn't supported for
4380 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4382 * gcc.texi: Define macro gcctabopt.
4383 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4384 @command, @env and @option in some places where appropriate. Use
4385 @gcctabopt where appropriate. Put URLs and email addresses inside
4388 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4390 * gcc.c (cpp_options): Set MD file name from output
4391 filename, if specified.
4392 (suffix_subst): New static variable.
4393 (do_spec): Clear it.
4394 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4396 (give_switch): Handle suffix_subst.
4398 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4400 * invoke.texi: Fix another typo.
4402 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4404 * invoke.texi: Fix typo.
4406 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4408 * c-lang.c (lang_hooks): Update.
4409 (lang_decode_option): Remove.
4410 (lang_init_options): Rename c_init_options.
4411 * toplev.c (main): Use lang_hooks for lang_init_options
4412 and lang_decode_option.
4413 * toplev.h (lang_hooks): Add 2 new hooks.
4414 * tree.h: Remove lang_init_options and lang_decode_option.
4415 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4416 * cp/decl2.c: Similarly.
4417 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4418 (lang_hooks): Update.
4419 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4421 (lang_init_options): Rename ffe_init_options.
4422 (lang_hooks): Update.
4423 (lang_decode_option): Remove.
4424 * java/lang.c (lang_init_options): Rename java_init_options.
4425 (lang_decode_option): Rename java_decode_option.
4426 (lang_hooks): Update.
4427 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4428 (lang_decode_option): Rename objc_decode_option.
4429 (lang_hooks): Update.
4431 2001-01-09 Nick Clifton <nickc@redhat.com>
4433 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4434 (d30v_return_addr_rtx): Delete.
4435 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4436 cfun->machine structure.
4437 (struct machine_function): Move to d30v.h
4438 (d30v_save_machine_status): Delete.
4439 (d30v_restore_machine_status): Delete.
4440 (d30v_init_machine_status): New Function.
4441 (d30v_mark_machine_status): New Function.
4442 (d30v_free_machine_status): New Function.
4443 (d30v_init_expanders): Use new functions.
4444 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4445 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4446 d30v_return_addr_rtx.
4448 * config/d30v/d30v.h (struct_machine): Move here.
4449 Add eh_epilogue_sp_ofs field.
4451 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4452 field in cfun->machine structure.
4454 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4456 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4457 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4458 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4460 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4462 * objc/lang-options.h: Remove bogus reference to
4465 2001-01-09 Kazu Hirata <kazu@hxi.com>
4467 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4470 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4472 * reload.c (find_reloads_address): Check for eliminable registers
4473 when substituting a constant expression for a pseudo.
4475 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4477 * c-common.c (enum format_type): Add format_type_error.
4478 (decode_format_type): New function.
4479 (decl_attributes): Use it.
4480 (format_kind_info): Adjust comment.
4482 2001-01-09 David O'Brien <obrien@BSDi.com>
4484 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4485 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4487 * config/i386/gnu.h: Don't include required platform specific .h files,
4488 tm.h will do it instead.
4489 * config/i386/i386elf.h: Likewise.
4490 * config/i386/linux.h: Likewise.
4491 * config/i386/moss.h: Likewise.
4492 * config/mips/gnu.h: Likewise.
4494 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4496 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4497 (rs6000-ibm-aix3.[01]*): Likewise.
4498 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4499 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4500 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4501 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4502 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4503 (powerpc-*-eabiaix*): Likewise.
4504 (powerpc-*-eabisim*): Likewise.
4505 (powerpc-*-elf*): Likewise.
4506 (powerpc-*-eabi*): Likewise.
4507 (powerpc-*-rtems*): Likewise.
4508 (powerpc-*-linux*libc1): Likewise.
4509 (powerpc-*-linux*): Likewise.
4510 (powerpc-wrs-vxworks*): Likewise.
4511 (powerpcle-wrs-vxworks*): Likewise.
4512 (powerpcle-*-sysv*): Likewise.
4513 (powerpcle-*-elf*): Likewise.
4514 (powerpcle-*-eabisim*): Likewise.
4515 (powerpcle-*-eabi*): Likewise.
4516 (powerpcle-*-solaris2*): Likewise.
4517 * config/rs6000/aix31.h: Delete includes.
4518 * config/rs6000/aix3newas.h: Likewise.
4519 * config/rs6000/aix41.h: Likewise.
4520 * config/rs6000/aix43.h: Likewise.
4521 * config/rs6000/beos.h: Likewise.
4522 * config/rs6000/rtems.h: Likewise.
4523 * config/rs6000/sysv4.h: Likewise.
4525 2001-01-09 Kazu Hirata <kazu@hxi.com>
4527 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4528 Change an argument mode of machine_mode to shift_mode of
4529 shift_mode. Remove an extra error check.
4530 (emit_a_shift): Adopt to the new calling prototype of
4532 (function_prologue): Fix code for a monitor
4533 function. Support H8/S.
4534 (function_epilogue): Do not output pop for a monitor function.
4536 2001-01-09 Nick Clifton <nickc@redhat.com>
4538 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4539 (setup_incoming_varargs): Use sysv_varargs_p field of the
4540 cfun->machine structure.
4541 (struct machine_function): Move to rs6000.h
4542 (rs6000_save_machine_status): Delete.
4543 (rs6000_restore_machine_status): Delete.
4544 (rs6000_init_machine_status): New Function.
4545 (rs6000_free_machine_status): New Function.
4546 (rs6000_init_expanders): Use new functions.
4548 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4550 (struct machine_function): Move here.
4552 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4553 sysv_varargs_p field of the cfun->machine structure.
4555 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4557 (rs6000_restore_machine_status): Remove prototype.
4559 2001-01-09 Richard Henderson <rth@redhat.com>
4561 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4562 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4563 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4564 (sched_analyze_2, sched_analyze_insn): Likewise.
4565 (sched_analyze, init_deps): Likewise.
4566 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4567 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4568 (compute_block_backward_dependences): Update propagate_deps call.
4570 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4572 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4574 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4576 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4577 (cpp_handle_option): Handle them.
4578 (cpp_post_options): Ensure one of -M or -MM is specified with
4579 any other -M? option.
4580 (init_dependency_output): Suppress output with -MG.
4582 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4585 * invoke.texi: Update.
4587 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4589 * sh.md (reload_outsf): Generate recognizable patterns for
4592 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4594 * c-lang.c (lang_hooks): Update.
4595 (lang_init): Rename c_init.
4596 (lang_finish): Remove.
4597 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4599 * toplev.h (lang_hooks): Add init () and finish ().
4600 * tree.h (lang_init, lang_finish): Remove.
4601 * cp/tree.h (lang_init, lang_finish): Remove.
4602 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4603 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4605 (lang_init, lang_finish): Remove.
4606 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4607 (lang_hooks): Update.
4608 * java/lang.c (lang_init): Rename java_init.
4609 (lang_finish): Remove.
4610 (lang_hooks): Update.
4611 * objc/objc-act.c (lang_init): Rename objc_init.
4612 (lang_finish): Remove.
4613 (lang_hoooks): Update.
4615 20001-01-09 Graham Stott <grahams@redhat.com>
4617 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4618 after `ptr` is initialised.
4620 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4622 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4623 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4624 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4625 stack adjusts, instead of r3.
4627 2001-01-09 Michael Hayes <mhayes@redhat.com>
4629 * flow.c (flow_loop_scan): Break out of ...
4630 (flow_loops_find) ... here.
4631 * basic-block.h (flow_loop_scan): New.
4632 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4633 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4635 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4637 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4639 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4640 realloc()ing macro_buffer.
4642 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4643 if it's wider than long and the target's long is wider than the
4646 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4648 Remove support for using UWIN as a host machine.
4649 * configure.in: Issue an error message.
4650 * configure: Regenerated.
4651 * config.gcc: Remove xm_* UWIN configury.
4652 * config/i386/xm-uwin.h: Remove.
4654 2001-01-08 Nick Clifton <nickc@redhat.com>
4656 * config/v850/v850.c (ra_rtx): Delete.
4657 (v850_save_machine_status): Delete.
4658 (v850_restore_machine_status): Delete.
4659 (v850_init_machine_status): New function.
4660 (v850_mark_machine_status): New function.
4661 (v850_free_machine_status): New function.
4662 (v850_return_addr): Use ra_rtx field in machine structure.
4663 (v850_init_expanders): Use new functions.
4665 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4666 * config/v850/v850.c: Change arguments to v850_output+* functions
4667 to take a const char *, to avoid compile time warning.
4668 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4669 (USER_LABEL_PREFIX): Redefine.
4671 2000-01-08 Jim Wilson <wilson@redhat.com>
4673 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4674 1 to unsigned HOST_WIDE_INT before left shift.
4676 2001-01-08 Nick Clifton <nickc@redhat.com>
4678 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4679 the machine structure has been allocated.
4680 (arm_free_machine_status): New function: Free the machine
4681 specific function structure.
4683 2001-01-08 Richard Henderson <rth@redhat.com>
4685 * jump.c (simplejump_p): Revert last change.
4687 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4689 * cppinit.c (init): Rename init_library.
4690 (cpp_create_reader): Update.
4691 * gcc.c (cpp_options): If -o given, use it as the target of
4694 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4696 * arm.c (arm_arch5e): New variable.
4697 (all_cores): XScale is a 5TE device.
4698 (arm_override_options): Set arm_arch5e.
4699 (arm_init_builtins): __builtin_prefetch is in arch5e.
4700 * arm.h (arm_arch5e): Declare it.
4702 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4704 * arm.md (define_constants): Add defines for UNSPEC and
4705 UNSPEC_VOLATILE insns. Update all users.
4706 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4707 * arm.c (multi_register_push, note_invalid_constants)
4708 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4709 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4710 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4712 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4714 * jump.c (jump_optimize_1): Use reversed_comparison_code
4715 instead of can_reverse_comparison_p.
4716 (jump_back_p): Likewise.
4717 (invert_exp_1): Likewise.
4718 (thread_jumps): Likewise.
4719 * simplify-rtx.c (simplify_unary_operation): Likewise.
4720 (simplify_ternary_operation): Likewise.
4721 * cse.c (find_comparison_args): Convert to use
4722 can_reverse_comparison_p.
4723 (record_jump_equiv): Likewise.
4725 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4727 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4728 (EPILOGUE_USES): Define.
4729 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4730 automatically stack the LR if it isn't live.
4732 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4734 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4737 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4739 * ggc-page.c (max_alignment): New structure.
4740 (MAX_ALIGNMENT): New macro.
4741 (init_ggc): Use it to round up the sizes in the
4742 extra_order_size_table.
4744 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4746 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4749 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4751 * builtins.def (BUILT_IN_FPRINTF): New entry.
4753 * c-common.c (c_expand_builtin_fprintf): New function.
4754 (init_function_format_info): Handle __builtin_fprintf.
4755 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4756 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4758 * c-decl.c (duplicate_decls): Adjust comment.
4760 * extend.texi (fprintf): Document new builtin.
4762 2001-01-07 Richard Henderson <rth@redhat.com>
4764 * jump.c (simplejump_p): Recognize any single_set jump
4767 2001-01-07 Richard Henderson <rth@redhat.com>
4769 * configure.in (slibdir): Accept an --with-slibdir option.
4770 Use "test" not "[" in configure. Default to $(libdir).
4772 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4774 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4775 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4776 (SHLIB_LINK): Create links for the soname.
4777 * config/mips/t-iris6: Likewise.
4778 * config/sparc/t-slibgcc: Likewise.
4779 * config/sparc/t-slibgcc-sld: Likewise.
4781 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4783 * config/i386/i386.c (constant_call_address_operand): Accept
4784 (const (plus (symbol_ref) (const_int))).
4785 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4786 constant_call_address_operand.
4788 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4790 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4791 and LONG_LONG_TYPE_SIZE > 32.
4793 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4795 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4796 the previous change.
4798 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4800 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4802 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4803 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4804 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4807 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4809 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4811 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4813 * c-lang.c (c_post_options): Call cpp_post_options.
4814 * objc/objc-act.c (objc_post_options): Similarly.
4815 * cppmain.c (main): Similarly.
4816 * fix-header.c (read_scan_file): Similarly.
4817 * cppinit.c (cpp_start_read): Move option consistency checks
4818 to cpp_post_options. Don't call init_dependency_output.
4819 If needed, add default target and main file dependency.
4820 (OPT_MD, OPT_MMD): Remove.
4822 (cpp_handle_option): Update for OPT_* changes.
4823 (cpp_post_options): New.
4824 (init_dependency_output): Command line -MF overrides environment
4825 variables. Don't set default target etc. Suppress output
4826 if dependencies are going to stdout.
4827 (print_help): Update.
4828 * cpplib.h (cpp_post_options): New.
4829 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4831 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4833 * jump.c (comparison_dominates_p): Support unordered compares.
4835 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4837 * simplify-rtx.c (simplify_relational_operation): Always simplify
4838 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4841 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4843 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4844 (nonzero_bits): Likewise.
4845 (simplify_comparison): Likewise.
4846 (num_sign_bit_copies): Likewise; return more sane value depending
4847 on STORE_FLAG_VALUE.
4848 (known_cond): Do not assume EQ to be always true for equivalent
4851 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4853 * cse.c (fold_rtx): Handle unordered comparisons.
4855 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4857 * rtlanal.c (set_of_1): New static function.
4858 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4859 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4860 reg_set_last_last_regno): Remove.
4861 (set_of): New global function.
4862 (set_of_data): New structure.
4863 (reg_set_p, reg_set_last): Revamp for set_of.
4864 * rtl.h (set_of): New.
4866 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4868 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4869 * extend.texi: Document _Exit builtin.
4871 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4873 * (initialize, initialize_builtins,
4874 initialize_dependency_output, initialize_standard_includes):
4875 Rename s/initialize/init. Update.
4876 (init_dependency_output): Move to after
4877 cpp_handle_options, the correct location temporally at least.
4878 (opt_comp): Move next to init (), its caller. Fix prototype.
4879 (init): Make "initialized" local scope.
4880 (cpp_create_reader): Always call init ().
4881 (cpp_start_read): Update.
4882 (output_deps): New function, broken out of cpp_finish.
4883 (cpp_finish): Break out output_deps.
4885 2001-01-07 Richard Henderson <rth@redhat.com>
4887 * collect2.c (COFF specific stuff): Revert 12-06 patch
4888 to prototype system functions.
4890 2001-01-07 Michael Hayes <mhayes@redhat.com>
4892 * hard-reg-set.h: Add multiple include guard.
4893 * basic-block.h (struct loop): Add `sink' field.
4894 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4895 (emit_iv_add_mult): Delete.
4896 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4897 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4898 (unroll_loop): Remove end_insert_before argument.
4899 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4900 (maybe_eliminate_biv_1): Likewise.
4901 (emit_iv_add_mult): Delete.
4902 (gen_add_mult, loop_regs_update): New.
4903 (loop_insn_emit_after, loop_insn_emit_before): New.
4904 (loop_insn_sink, loop_insn_sink_or_swim): New.
4905 (emit_iv_add_mult): Delete.
4906 (scan_loop): Set loop->sink.
4907 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4908 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4909 (maybe_eliminate_biv_1): Likewise.
4910 (maybe_eliminate_biv_1): Add basic block argument.
4911 * unroll.c (unroll_loop): Remove end_insert_before argument.
4912 (find_splittable_regs): Likewise.
4913 (find_splittable_regs): Use loop_insn_sink and its ilk.
4914 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4916 2001-01-07 Michael Hayes <mhayes@redhat.com>
4918 * loop.h (loop_insn_hoist): New prototype.
4919 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4920 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4921 (check_dbra_loop, load_mems): Likewise.
4922 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4923 (find_splittable_givs): Likewise.
4925 2001-01-07 Michael Hayes <mhayes@redhat.com>
4927 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4929 2001-01-07 Richard Henderson <rth@redhat.com>
4931 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4933 2001-01-07 Richard Henderson <rth@redhat.com>
4935 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4936 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4937 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4938 variant that handles a shared libgcc.
4939 (process_command): Always validate -{static,shared}-libgcc.
4940 (do_spec_1): New 'M' case.
4941 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4943 2001-01-07 Richard Henderson <rth@redhat.com>
4945 * Makefile.in (slibdir): New variable.
4946 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4947 (installdirs): Create slibdir.
4948 (install-libgcc, install-multilib): Defer to libgcc.mk.
4949 * configure.in (slibdir): Substitute.
4950 * mklibgcc.in (install): New target.
4952 * config/t-linux (SHLIB_LINK): Create links for the soname.
4953 (SHLIB_INSTALL): New.
4954 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4955 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4956 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4957 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4958 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4960 2001-01-07 Richard Henderson <rth@redhat.com>
4962 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4963 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4964 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4966 2001-01-07 Michael Hayes <mhayes@redhat.com>
4968 * loop.c (count_loop_regs_set): Delete.
4969 (load_mems_and_recount_loop_regs_set): Delete.
4970 (loop_regs_scan): Merge common code from count_loop_regs_set,
4971 scan_loop, and load_mems_and_recount_loop_regs_set.
4972 (scan_loop): Call load_mems directly and loop_regs_scan
4973 again if new registers created.
4975 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4977 * toplev.c (main): Call the front-end specific post_options
4978 hook if one is given.
4979 * toplev.h (struct_lang_hooks, lang_hooks): New.
4980 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4981 for the C front end.
4982 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4983 lang_hooks for the C++ front end.
4984 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4985 lang_hooks for the ObjC front end.
4986 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4987 * java/lang.c (lang_hooks): Hooks for the Java front end.
4989 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4991 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4992 for verbose DWARF[2] debugging.
4993 (cb_define, cb_undef): The new callbacks.
4994 * toplev.h (debug_define, debug_undef): Make const correct.
4995 * toplev.c (debug_define, debug_undef): Similarly. Do not
4996 perform the verbosity tests here anymore.
4998 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5000 * reload.c (subst_reloads): Take INSN argument. When
5001 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5002 * reload.h (subst_reloads): Adjust prototype.
5003 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5004 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5005 present in JUMP_INSNs and copy them to JUMP_LABEL.
5006 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5007 JUMP_INSNs and insns with REG_LABELs that are followed by
5008 JUMP_INSNs with the same REG_LABEL.
5009 * sched-rgn.c (is_cfg_nonregular): Likewise.
5010 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5012 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5014 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5016 2001-01-06 Richard Henderson <rth@redhat.com>
5018 * loop.c (scan_loop): Use xcalloc for the regs array.
5019 (load_mems_and_recount_loop_regs_set): Zero the new memory
5020 received from xrealloc.
5022 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5024 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5026 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5028 * integrate.c (copy_rtx_and_substitute): When copying
5029 an ignored return value, strip REG_FUNCTION_VALUE_P.
5031 2001-01-06 Michael Hayes <mhayes@redhat.com>
5033 * loop.c (debug_biv, debug_giv): New.
5034 (loop_biv_dump): Break out from ...
5035 (record_biv): ... here.
5036 (loop_giv_dump): Break out from ...
5037 (record_giv): ... here.
5038 (loop_bivs_check): Use print_simple_rtl.
5039 * unroll.c (loop_iterations): Use print_simple_rtl.
5041 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
5043 * pa.md (return, return_internal): Modify patterns to prevent regrename
5044 mucking with the return pointer.
5046 2001-01-05 Richard Henderson <rth@redhat.com>
5048 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
5050 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
5052 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
5053 version supplied by Matteo Frigo.
5055 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5057 * cpp.texi: Update for -MQ.
5058 * cppinit.c (cpp_create_reader): Always create pfile->deps.
5059 (cpp_cleanup): Always free pfile->deps.
5060 (initialize_dependency_output): Don't create pfile->deps.
5061 (cpp_handle_option): Similarly.
5063 * gcc.c (cpp_options): Handle -MQ.
5064 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5065 * mkdeps.c (base_name): Remove.
5066 (deps_init): Don't allocate vector space until it's needed.
5067 (deps_free): Only free vectors if allocated.
5068 (deps_add_target, deps_add_dep): Update for initial allocation.
5069 (deps_add_default_target): Don't strip to the base_name.
5071 2001-01-05 DJ Delorie <dj@redhat.com>
5073 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5074 (INIT_EXPANDERS): Define.
5076 * config/v850/v850.c (struct machine_function): Define.
5077 (v850_save_machine_status): New function.
5078 (v850_restore_machine_status): New function.
5079 (v850_return_addr): New function.
5080 (v850_init_expanders): New function.
5082 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5083 and v850_init_expanders.
5085 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5087 * cpplib.h (struct cpp_reader): Add help_only field.
5088 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5089 (cpp_handle_option): Set pfile->help_only if we see -h,
5090 --help, -target-help, or --version. Print version string but
5091 do not set help_only if we see -v or -version. Make text
5092 printed by -v match that printed by (-)-version.
5094 * cppmain.c (main): Exit after option parsing if
5095 pfile->help_only is true.
5097 * toplev.c (independent_decode_option): Call print_version,
5098 then exit, if we see --version (but not -version).
5099 (print_version): Split lengthy message into two lines.
5101 2001-01-05 Nick Clifton <nickc@redhat.com>
5103 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5104 temporary string for initialisation before calling ggc_alloc_string.
5106 2001-01-06 Michael Hayes <mhayes@redhat.com>
5108 * rtl.h (print_simple_rtl): New.
5109 * print-rtl.c (print_simple_rtl): New.
5111 (print_rtx): Disable printing of flags and modes, etc.,
5112 if `flag_simple` nonzero.
5114 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5116 * function.c (fixup_var_refs): Use push_to_full_sequence where
5119 2001-01-05 Michael Meissner <meissner@redhat.com>
5121 * flags.h (flag_reorder_blocks): Add declaration.
5122 (flag_rename_block): Ditto.
5124 2001-01-05 DJ Delorie <dj@redhat.com>
5126 * function.c (reorder_blocks): Make sure the flags are all reset
5127 before using them to mark blocks, else a second invocation will
5128 corrupt the block chain.
5129 (reorder_blocks_0): New, resets the flags.
5131 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5133 * cse.c (find_comparison_args): Stop if the argument is known to
5136 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5138 * config/sh/sh.md (movdf): When splitting load into pair of
5139 registers, don't clobber the register used in the address too
5142 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5144 * varasm.c (mark_constant_pool): Improve initial comments.
5145 (mark_constants): Move marking of constants to mark_constant.
5146 (mark_constant): New function to recursively mark all constants
5147 referred to by a constant.
5149 2001-01-05 Catherine Moore <clm@redhat.com>
5151 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5153 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5155 * cp/lang-options.h: Bring comment in line with reality.
5156 * f/lang-options.h: Likewise.
5157 * java/lang-options.h: Likewise.
5158 * objc/lang-options.h: Likewise.
5159 * ch/lang-options.h: Likewise.
5160 * f/g77.texi: And update the manual.
5162 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5163 Denis Chertykov <denisc@overta.ru>
5165 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5166 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5167 * config/avr/avr.md (all peepholes that request a scratch register):
5168 Call it, FAIL the peephole if not safe (in interrupt functions).
5170 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5172 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5174 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5176 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5178 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5179 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5180 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5181 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5182 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5184 * extend.texi: Document these builtins.
5186 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5188 * c-common.c (lang_get_alias_set): Say we know nothing of
5189 VECTOR_TYPE aliasing.
5191 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5193 2001-01-05 Bruce Korb <bkorb@gnu.org>
5195 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5196 their x* equivalent versions for atexit-less systems
5197 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5198 systems (or any other system any more).
5200 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5202 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5203 output operands. Use arm_hard_register_operand for operand 4.
5204 (stmsi_postinc): Similarly.
5205 (ldmsi): Use arm_hard_register_operand for opernand 2.
5207 * arm.c (arm_hard_register_operand): New function.
5208 * arm-protos.h (arm_hard_register_operand): Prototype it.
5210 * arm.h (HARD_REGNO_RENAME_OK): Define.
5212 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5214 * simplify-rtx.c (cfc_args): add "unordered" field.
5215 (check_fold_consts): Set unordered field.
5216 (simplify_relational_operation): Simplify the unordered
5219 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5222 * emit-rtl.c (try_split): Fix code to mark labels.
5223 * jump.c (mark_jump_label): Make global.
5224 * rtl.h (mark_jump_label): Declare.
5226 * predict.c (estimate_probability): Handle unordred comparisons.
5228 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5230 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5231 * cppinit.c (initialize_dependency_output): Update.
5232 (cpp_finish): Output dummy targets for -MP.
5234 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5235 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5236 * gcc.c (cpp_options): Update to handle -MP.
5237 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5238 to quote only the default target.
5239 (deps_phony_targets): Insert a preceding newline. Rename from
5240 deps_dummy_targets for consistency.
5243 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5245 * calls.c (emit_library_call_value_1): Support
5246 INIT_CUMULATIVE_LIBCALL_ARGS.
5247 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5249 2001-01-04 Richard Henderson <rth@redhat.com>
5251 * c-decl.c (finish_struct): Detect flexible array members
5252 used in an inappropriate context.
5253 * c-typeck.c (really_start_incremental_init): Special case
5254 constructor_max_index for zero length arrays.
5255 (pop_init_level): Allow initialization of flexible array
5256 members. Deprecate initialization of zero length arrays.
5257 Don't issue missing initializer warning for flexible array
5258 members or zero length arrays.
5259 (process_init_element): Don't dereference null DECL_SIZE.
5260 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5261 Don't abort for empty constructors. Use size_binop
5262 (output_constructor): Add commentary regarding zero length
5263 array futures. Abort if we try to initialize an array of
5264 unspecified length with a non-empty constructor in the middle
5267 * extend.texi (Zero Length): Update and clarify documentation
5268 on static initialization.
5270 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5272 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5273 with more than 32767 words of local storage.
5275 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5277 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5278 for 'abs', 'labs', and 'fabs'.
5279 (c4x_expand_builtin): Likewise.
5280 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5282 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5284 * config/sh/sh.md (prget, prset): New insn types.
5285 (return delay slot): Dont' allow prset.
5286 (call, sfunc delay slot): Don't allow prget.
5287 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5288 for prset and prget.
5290 2001-01-05 Michael Hayes <mhayes@redhat.com>
5292 * loop.h (struct loop_reg): New.
5293 (struct loop_regs): Change to use array of `struct loop_reg'.
5294 * loop.c: Replace assortment of varrays with single regs array.
5295 (count_one_set): Delete may_not_move array argument
5296 and use regs array instead. All caller's changed.
5297 (count_loop_regs_set): Delete may_not_move and single_usage
5298 arguments and use regs array instead. All caller's changed.
5299 (find_single_use_in_loop): Replace usage array argument with pointer
5300 to regs structure. All caller's changed.
5301 (loop_optimize): Delete `moved_once' array.
5303 2001-01-05 Michael Hayes <mhayes@redhat.com>
5305 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5306 Use it instead of loop_info->has_call for scanning loop mems.
5307 (check_dbra_loop): Replace loop_info->has_call test with
5308 loop_info->has_nonconst_call.
5310 2000-01-04 Matthew Hiller <hiller@redhat.com>
5312 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5315 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5317 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5318 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5320 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5322 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5323 (flag_short_double, flag_short_wchar): Define.
5324 (c_common_nodes_and_builtins): Create many tree nodes shared
5325 between C and C++ here instead of in cp/decl.c and ...
5326 * c-decl.c (init_decl_processing): ... here.
5327 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5328 (flag_short_double, flag_short_wchar): Don't define.
5329 (record_builtin_type): New function.
5330 (build_void_list_node): New function.
5331 * c-common.h (flag_short_double, flag_short_wchar,
5332 record_builtin_type, build_void_list_node): Declare.
5334 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5336 * integrate.c (expand_inline_function): Don't put a virtual
5337 register into the reg map.
5339 * function.c (fixup_var_refs_1): If force_operand didn't put
5340 the address into the target, move it there.
5342 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5344 Special-case tree_decl/tree_list allocations.
5345 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5346 (OBJECT_SIZE): New macro.
5347 (NUM_EXTRA_ORDER): Likewise.
5348 (extra_order_size_table): New variable.
5349 (NUM_ORDERS): New macro.
5350 (objects_per_page_table): New variable.
5351 (object_size_table): New variable.
5352 (G.pages): Use NUM_ORDERS to bound the array.
5353 (G.page_tails): Likewise.
5354 (DIV_ROUND_UP): Remove.
5355 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5356 (alloc_page): Use OBJECT_SIZE.
5357 (size_lookup): Don't make it const.
5358 (ggc_alloc): Use OBJECT_SIZE.
5359 (ggc_set_mark): Likewise.
5360 (ggc_get_size): Likewise.
5361 (init_ggc): Set up the object_size_table, objects_per_page_table,
5362 and adjust size_lookup.
5363 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5364 (ggc_pop_context): Use NUM_ORDERS.
5365 (clear_marks): Likewise.
5366 (sweep_pages): Likewise.
5367 (poison_pages): Likewise.
5368 (ggc_print_statistics): Use OBJECT_SIZE.
5370 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5372 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5373 Only call array_size_for_constructor if last field and array type
5374 with no upper bound.
5376 2001-01-04 Philip Blundell <philb@gnu.org>
5378 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5379 from bit 31 downwards, if this requires no more insns.
5380 (count_insns_for_constant): New helper function for above.
5382 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5384 * gencodes.c (output_predicate_decls): Remove empty initializer.
5386 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5388 * tree.c (copy_node): Remove documentation about obstacks.
5389 (buidl1): Check that nobody tries to build 2-argument nodes this
5392 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5394 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5397 * gencodes.c (output_predicate_decls): Fill empty initializer
5400 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5402 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5403 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5405 (do_include): Handle missing headers like cpp0.
5406 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5407 paths with first include pathname. Don't strcat to uninitialized
5410 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5412 * regrename.c (regrename_optimize): Don't rename from frame pointer
5413 if frame_pointer_needed.
5414 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5415 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5416 (ia64_reorg): Use it instead of scheduling if ! optimize.
5417 (errata_emit_nops): Properly call asm_noperands.
5418 (ia64_sched_reorder): Finish cycle if we see an asm.
5419 (ia64_variable_issue): Clear scheduling state after asms.
5421 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5423 * cpp.texi: Update for -MT.
5424 * cppinit.c (initialize_dependency_output): Add a default
5425 target if none has been given already.
5426 (no_tgt, OPT_MT): New.
5427 (cpp_handle_option): Handle -MT. Update -M etc.
5428 * cpplib.h (struct cpp_options): Remove deps_target.
5429 * gcc.c (cpp_options): Handle -MT.
5430 * mkdeps.c (struct deps): Move from mkdeps.h.
5431 (deps_calc_target): Rename deps_add_default_target. Add a
5432 default target if none has been specified already.
5433 * mkdeps.h (struct deps): Move to mkdeps.c.
5434 (deps_calc_target): Rename deps_add_default_target.
5436 2000-01-03 Richard Henderson <rth@redhat.com>
5438 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5440 * c-typeck.c (push_init_level): Move checks for flexible array
5441 members and zero length arrays ...
5442 (pop_init_level): ... here. Silently discard empty initializations.
5444 * varasm.c (output_constructor): Update for sizeof change to
5447 * extend.texi (Zero Length): Clarify semantics.
5449 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5451 * configure.in (tm.h): Include isns-codes.h last.
5452 * configure: Rebuilt.
5454 2001-01-03 Richard Henderson <rth@redhat.com>
5456 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5457 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5459 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5461 * tradcpp.c (main): Make sure finclude() is called with a valid
5462 indepth value while handling -include.
5464 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5466 * gencodes.c (output_predicate_decls): New function.
5468 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5469 even if it is not the first time machmode.h is #included.
5470 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5471 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5472 * gcc.texi (Copyright): Added 2001.
5474 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5476 * c-common.c (c_common_lang_init): New function. Warn if format
5477 warning options which only have effects when used with -Wformat
5478 are used without -Wformat.
5479 * c-common.h (c_common_lang_init): Declare.
5480 * c-lang.c (lang_init): Call c_common_lang_init.
5481 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5483 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5485 * configure.in: Check for the mktemp command.
5486 * configure: Regenerate.
5487 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5488 $TEMP. Create temporary files with mktemp, if available at
5489 configure time; otherwise use set -C. Remove temporary files
5492 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5494 * configure.in: Require at least texinfo 4.0. Check for whether
5495 Pod::Man is sufficiently recent to regenerate GCC manpages.
5496 * configure: Regenerate.
5497 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5499 (GENERATED_MANPAGES): Define.
5500 (generated-manpages): New target. Depend on cpp.1 as well as
5502 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5503 configure to generated-manpages or empty) rather than on the
5504 manpages directly. Remove execute permission from installed
5505 gcov.1 as well as cpp.1.
5506 * cpp.1, gcov.1: Regenerate.
5508 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5510 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5511 tree_low_cst. Allow using cmpstrsi in more cases.
5513 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5515 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5518 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5520 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5521 * Makefile.in (HOST_CFLAGS): Mention build-make.
5523 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5525 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5528 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5530 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5533 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5536 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5537 reg_base_value and reg_known_value arrays.
5538 (init_alias_analysis): Add more cases to detect known values.
5539 * sched-deps.c (deps_may_trap_p): New function.
5540 (sched_analyze_2): Use it.
5542 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5544 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5545 don't discard an ASHIFTRT if we're shifting in a wider mode.
5547 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5549 * toplev.c (rest_of_compilation): Don't print basic block information
5550 when CFG isn't up to date.
5552 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5554 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5555 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5556 (UNALIGNED_SHORT_ASM_OP): Define.
5557 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5559 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5561 * fold-const.c (fold_convert): Fix typo.
5563 2001-01-02 Richard Henderson <rth@redhat.com>
5565 * c-common.h (ASM_INPUT_P): New.
5566 * c-parse.in (asm): Set it when needed.
5567 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5568 existance of an operand.
5570 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5572 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5573 (dwarf2out_frame_debug_expr): Likewise.
5574 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5576 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5578 * i386.c (ix86_split_to_parts): Return number of part required;
5580 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5582 (ix86_split_long_move): Use number of part returned
5583 by ix86_split_to_parts
5584 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5586 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5587 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5588 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5589 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5590 (ALIGN_MODE_128): Add TFmode.
5591 (IS_STACK_MODE): Likewise.
5592 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5593 (HARD_REGNO_OK): Support TFmodes.
5594 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5595 * i386.md (scheduler definitions): Use memory operand to determine
5596 fst/fld instructions; use mode attribute to determine real mode of
5598 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5599 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5601 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5603 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5605 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5607 * expr.c (store_constructor_field): Update ALIGN before calling
5610 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5612 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5615 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5617 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5620 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5622 * c-decl.c (start_function): Don't warn on third parameter to main.
5624 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5626 * tsystem.h: Define HAVE_DECL_GETOPT.
5628 2001-01-02 Philip Blundell <pb@futuretv.com>
5630 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5633 2001-01-02 Richard Henderson <rth@redhat.com>
5635 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5637 2001-01-02 Andreas Jaeger <aj@suse.de>
5639 * c-decl.c (c_decode_option): Remove support of
5642 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5643 (W_options): Add -Wmissing-noreturn here.
5645 * flow.c: Define lang_missing_noreturn_ok_p.
5646 (check_function_return_warnings): Use it.
5648 * c-common.h: Declare lang_missing_noreturn_ok_p.
5650 * c-lang.c (c_missing_noreturn_ok_p): New function.
5651 (lang_init): Set lang_missing_noreturn_ok_p.
5653 * invoke.texi (Warning Options): Document this.
5655 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5657 * extend.texi (C++ Extensions): New node for C++ attributes;
5658 describe init_priority and com_interface.
5659 * invoke.texi: Remove -finit-priority as it now has zero effect.
5660 * install.texi: Fix xref syntax.
5661 * md.texi: Likewise.
5663 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5665 * config.gcc (sparc64-wrs-vxworks*): New case.
5666 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5668 * config/sparc/sparc.c (sparc_override_options): Do support different
5669 pointer and architecture size.
5670 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5671 (POINTERS_EXTEND_UNSIGNED): Define.
5672 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5673 (FUNCTION_MODE): Define to be Pmode.
5674 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5676 * function.c (expand_function_end): Properly handle DECL_RESULT
5677 and copy when ptr_mode != Pmode.
5678 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5680 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5682 * c-common.c (c_common_nodes_and_builtins): Set prototype
5683 parameters for __builtin_fputs, __builtin_fputc and
5684 __builtin_fwrite. Don't declare plain fputc as a builtin.
5686 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5688 * loop.c (add_label_notes): Increment the label usage count when
5689 a note is added to an insn which refers to a CODE_LABEL.
5690 * gcse.c (add_label_notes): Likewise.
5692 2001-01-01 Andreas Jaeger <aj@suse.de>
5694 * loop.c (scan_loop): Use xmalloc to allocate movables.
5696 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5698 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5699 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5700 * reload1.c (REGISTER_MOVE_COST): Likewise.
5701 * regclass.c (REGISTER_MOVE_COST): Likewise.
5702 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5703 dimension. Adjust all users.
5704 (init_reg_sets_1): Iterate on all modes.
5705 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5706 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5707 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5708 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5709 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5710 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5711 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5712 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5713 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5714 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5715 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5716 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5717 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5718 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5719 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5720 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5721 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5722 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5723 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5724 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5725 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5726 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5727 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5728 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5729 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5730 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5731 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5733 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5735 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5736 arg VARIES_P. Call it with extra arg.
5737 (true_dependence): Likewise.
5738 * rtl.h (rtx_addr_can_trap_p): Declare.
5739 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5741 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5742 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5743 pic offset table register if it's zero. All callers changed.
5744 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5746 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5748 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5749 STRING_POOL_ADDRESS_P.
5751 * config/sparc/sparc.c (input_operand): Properly test for short op.
5753 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5754 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5755 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5756 * config/sparc/elf.h: No longer include sol2.h.
5757 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5758 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5760 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5762 2001-01-01 Michael Hayes <mhayes@redhat.com>
5764 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5765 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5766 (record_initial): Likewise.
5767 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5768 (remap_split_bivs): Likewise.
5770 2001-01-01 Michael Hayes <mhayes@redhat.com>
5772 * loop.c (loop_ivs_free): New function.
5773 (strength_reduce): Break out from...
5775 2001-01-01 Michael Hayes <mhayes@redhat.com>
5777 * loop.h (struct iv): New.
5778 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5779 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5780 'reg_biv_class' fields with 'regs' and 'n_regs'.
5781 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5782 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5783 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5785 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5787 * resource.c (mark_referenced_resources): Abort() before
5788 attempting to mark a pseudo register.
5789 (mark_set_resources): Likewise.
5791 2001-01-01 Michael Hayes <mhayes@redhat.com>
5793 * loop.h (REG_IV_CLASS): New accessor macro.
5794 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5795 * unroll.c (REG_IV_CLASS): Likewise.
5797 See ChangeLog.4 for earlier changes.