1 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
3 * rtlanal.c (rtx_varies_p): Check operand 0 of a
4 LO_SUM unless for_alias is set.
6 2001-03-08 Stan Shebs <shebs@apple.com>
8 * objc/objc-act.c: Fix old typos in comments, add comments for
10 (hash_init): Fix file name in error message.
12 (hash_add_attr): Ditto.
13 (continue_class): Ditto.
15 2001-03-08 Bruce Korb <bkorb@gnu.org>
17 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
18 wiat4() can receive the signal.
20 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
22 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
24 * fixinc/fixincl.x: Regenerate.
26 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
28 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
30 * fixinc/fixincl.x: Regenerate.
32 2001-03-08 Richard Henderson <rth@redhat.com>
34 * configure.in (HAVE_AS_LEB128): New assembler check.
35 * configure, config.in: Rebuilt.
37 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
39 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
42 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
44 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
45 references to the MAXPATHLEN macro.
47 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
48 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
51 * config/i386/xm-gnu.h, config/xm-gnu.h,
52 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
53 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
54 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
57 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
58 doing so in various xm-*.h files.
60 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
62 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
64 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
66 * configure.in (enable_shared): Support per-package shared-library
70 2001-03-07 David Edelsohn <edelsohn@gnu.org>
72 * rs6000.md (cr logic): Add original POWER mnemonic alternative
73 for crnot. Set operands[5] in splitter.
75 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
77 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
78 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
79 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
80 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
81 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
82 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
83 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
86 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
87 config/i370/xm-i370.h, config/i386/xm-dgux.h,
88 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
89 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
90 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
91 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
92 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
93 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
94 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
95 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
96 Delete unused and/or empty files.
98 * config.gcc: Define USG in xm_defines as appropriate. Define
99 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
100 macro. Remove deleted xm-* files from $xm_files variable.
102 2001-03-07 Tom Tromey <tromey@redhat.com>
104 * configure: Rebuilt.
105 * configure.in: Allow config-lang.in to set `lang_requires' to list
106 of other required languages.
108 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
110 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
112 (output_prologue): Use xmalloc not oballoc.
113 (output_epilog): Free a29k_first_epilogue_insn when finished.
114 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
116 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
118 * builtins.c (expand_builtin_mathfn): Check
119 flag_unsafe_math_optimizations, not flag_fast_math.
120 (expand_builtin): Likewise
121 * combine.c (combine_simplify_rtx): Likewise.
122 (simplify_if_then_else): Likewise.
123 * cse.c (fold_rtx): Likewise.
124 * flags.h: Remove flag_fast_math. Add
125 flag_unsafe_math_optimizations and flag_trapping_math.
126 * fold-const.c (negate_expr): Check
127 flag_unsafe_math_optimizations, not flag_fast_math.
128 (invert_truthvalue): Likewise.
129 (fold): Likewise. Before associating operands, check that
130 code == MULT_EXPR, not code != MULT_EXPR.
131 * ifcvt.c (noce_try_minmax): Check
132 flag_unsafe_math_optimizations, not flag_fast_math.
133 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
134 * invoke.texi: Document -funsafe-math-optimizations and
135 -fno-trapping-math. Change documentation for -ffast-math.
136 * jump.c (reversed_comparison_code_parts): Likewise.
137 (rtx_equal_for_thread_p): Likewise.
138 * optabs.c (emit_conditional_move): Likewise.
139 * simplify-rtx.c (simplify_binary_operation): Likewise.
140 (simplify_relational_operation): Likewise.
141 (simplify_ternary_operation): Likewise.
142 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
143 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
144 Add trapping-math and unsafe-math-optimizations entries to f_options.
145 (set_fast_math_flags): New, sets flags for -ffast-math.
146 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
147 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
148 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
150 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
151 (alpha_emit_conditional_move): Initialize local_fast_math to
152 flag_unsafe_math_optimizations, not flat_fast_math.
153 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
154 instead of setting flag_fast_math to 1.
155 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
157 * config/i386/i386.c (override_options): Likewise
158 * config/i386/i386.md: Likewise.
159 * config/m68k/m68k.md: Likewise.
160 * config/mips/mips.md: Likewise.
161 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
162 (rs6000_generate_compare): Likewise.
164 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
166 * Makefile.in: Set RANLIB to @RANLIB@.
169 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
171 * fixinc/inclhack.def (djgpp_wchar_h): New test.
172 * fixinc/fixincl.x: Regenerated.
174 2001-03-07 Richard Henderson <rth@redhat.com>
176 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
178 2001-03-07 Richard Henderson <rth@redhat.com>
180 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
181 of block notes and exception handling notes.
183 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
184 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
185 (compile_file): ... here.
187 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
189 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
191 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
192 config.h now. Include libiberty.h to handle alloca.
194 2001-03-06 Zack Weinberg <zackw@stanford.edu>
196 * c-parse.in (yylexname): New function, split out of _yylex.
197 (objc_rid_sans_at): New table.
198 (init_reswords): Initialize it.
199 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
200 retrieving the next token and checking it for significance as
201 an ObjC keyword or string constant.
203 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
204 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
206 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
209 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
211 * config/m68k/m68k.c (const_uint32_operand): Accept any
212 const_int on a 32-bit host.
214 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
216 * objc/objc-act.c (init_objc): Set save_lang_status,
217 restore_lang_status, and mark_lang_status.
219 2001-03-06 Krister Walfridsson <cato@df.lth.se>
221 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
223 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
225 * cppinternals.texi: Update.
227 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
229 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
230 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
231 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
232 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
233 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
234 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
235 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
236 config/i386/xm-i386.h, config/i860/xm-i860.h,
237 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
238 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
239 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
240 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
241 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
242 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
243 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
244 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
245 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
246 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
247 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
248 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
249 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
250 match the defaults provided in hwint.h.
252 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
253 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
255 * config.gcc (xm_file): Don't set to files which are deleted.
257 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
258 guard this file against these macros being undefined.
260 2001-03-06 Zack Weinberg <zackw@stanford.edu>
262 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
263 and DECL_DEFER_OUTPUT on the decl we create, before calling
264 rest_of_decl_compilation.
266 2001-03-06 Zack Weinberg <zackw@stanford.edu>
268 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
270 * configure, config.in: Regenerate.
271 * config.gcc: Remove references to deleted files.
273 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
274 genrecog.c, rtl.c: Do not use alloca anywhere.
276 * Makefile.in, build-make, system.h, config/x-interix,
277 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
278 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
279 config/arc/xm-arc.h, config/arm/xm-arm.h,
280 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
281 config/h8300/xm-h8300.h, config/i370/x-oe,
282 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
283 config/i386/x-ncr3000, config/i386/x-sco5,
284 config/i386/xm-dgux.h, config/i860/x-sysv4,
285 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
286 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
287 config/m68k/x-hp320g, config/m69k/x-mot3300,
288 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
289 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
290 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
291 config/m88k/x-sysv4, config/m88k/x-tekXD88,
292 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
293 config/mips/x-iris, config/mips/x-iris3,
294 config/mips/x-sni-svr4, config/mips/x-sysv,
295 config/mips/xm-iris6.h, config/mips/xm-mips.h,
296 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
297 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
298 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
299 config/pa/xm-papro.h, config/romp/xm-romp.h,
300 config/rs6000/x-aix31, config/rs6000/x-aix41,
301 config/rs6000/x-beos, config/rs6000/x-lynx,
302 config/rs6000/x-mach, config/rs6000/x-rs6000,
303 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
304 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
305 config/sparc/x-sysv4, config/sparc/xm-linux.h,
306 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
307 config/vax/xm-vms.h: Eradicate all references to alloca and
310 * config/xm-alloca.h, config/clipper/x-clix,
311 config/i386/xm-sysv4.h, config/i860/x-fx2800,
312 config/i860/x-sysv3, config/m88k/x-sysv3,
313 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
314 (contained only alloca related hacks).
316 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
319 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
321 * invoke.texi: Document __FAST_MATH__.
323 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
325 * crtstuff.c: Restore include of auto-host.h.
327 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
329 Put main() in a separate file, so that the language
330 front-end can use a different main().
333 * toplev.c: (main): Rename as toplev_main.
334 * toplev.h: Declare toplev_main.
335 * Makefile.in (OBJS): add toplev.o.
336 (BACKEND): remove toplev.o, add main.o.
338 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
340 * cppfiles.c (search_from): Special case the empty string.
342 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
344 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
345 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
346 strlen or strcpy; we already know the length.
347 (_cpp_compare_file_date): Similarly.
348 * cpphash.h (struct cpp_reader): Delete done_initialising.
349 (CPP_PREV_BUFFER): Delete.
350 * cppinit.c (cpp_start_read): Don't set done_initialising.
351 * cpplex.c (parse_string): Guarantee null-termination.
352 (_cpp_equiv_toklists): Remove.
353 * cpplib.c (glue_header_name): Null-terminate.
354 (do_line): Don't leak memory.
355 * cpplib.h (BT_WEAK): Delete.
356 * cppmain.c (cb_ident): Strings are now null-terminated.
358 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
360 * gcc.c (convert_filename): Append executable suffix
361 if NO_AUTO_EXE_SUFFIX is not defined.
362 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
363 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
365 2001-03-03 David O'Brien <obrien@FreeBSD.org>
367 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
368 * c-parse.gperf, c-gperf.h: Delete.
369 (c-gperf.h was accidently re-added to the CVS repo in the rev
370 1.16 commit by tromey)
372 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
374 * cpplex.c (_cpp_lex_token): Don't warn about directives in
375 macro arguments when looking for the '('.
376 * cppmacro.c (funlike_invocation_p): Set parsing_args to
377 2 when really parsing arguments; 1 when looking for '('.
378 Always restore the lexer position.
380 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
382 * longlong.h (umul_ppmm): Don't use a multiline string.
384 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
386 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
387 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
388 t_bool in declaration because pcc can't combine volatile with typedef
391 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
393 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
394 until when it is really needed.
395 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
396 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
397 * i386.md (float?i?f splitter): Don't force source operand to memory
399 (sse_movdfcc): Fix constraint.
400 (sse_movdfcc splitter): Handle properly the second alternative.
402 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
404 * cpplex.c (parse_string): Unconditionally pedwarn.
406 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
409 * cppexp.c (parse_number): Update.
410 * cpplex.c (parse_string): Pedwarn if multiline string does not
411 result from a system header's macro.
412 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
413 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
414 for function-like macros too.
415 * c-lex.c (lex_number): Update.
417 2001-03-03 Richard Henderson <rth@redhat.com>
419 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
421 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
423 * combine.c (try_combine): If split with mode-changed scratch
424 register didn't work, try the original mode.
426 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
428 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
429 * config/c4x/c4x.h: Likewise.
430 * stor-layout.c (compute_record_mode): Likewise.
431 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
433 2001-03-02 Zack Weinberg <zackw@stanford.edu>
435 * configure.in: Kill tm.h. Include the files in the $tm_file
436 list in all three of config.h, hconfig.h, tconfig.h, after the
437 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
438 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
439 * configure: Regenerate.
440 * Makefile.in (clean): Don't delete tm.h.
442 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
443 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
444 those are not defined, set SEC and FEC to 0 and 1.
445 * gcc.texi: Update to match.
447 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
448 * config/fp-bit.c, config/m68k/aux-crt2.asm,
449 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
450 Include tconfig.h, not tm.h.
452 * config/xm-lynx.h, config/xm-std32.h,
453 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
454 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
455 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
456 config/clipper/xm-clix.h, config/convex/xm-convex.h,
457 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
458 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
459 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
460 config/i386/xm-i386.h, config/i860/xm-i860.h,
461 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
462 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
463 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
464 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
465 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
466 config/pa/xm-linux.h, config/pa/xm-pa.h,
467 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
468 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
469 config/pj/xm-pj.h, config/romp/xm-romp.h,
470 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
471 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
472 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
473 config/v850/xm-v850.h, config/vax/xm-vax.h,
474 config/we32k/xm-we32k.h:
476 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
478 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
479 config/i370/xm-oe.h: Don't include tm.h. Don't define
481 * config/vax/xm-vms.h: Don't include tm.h.
483 * config/xm-lynx.h, config/avr/xm-avr.h,
484 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
485 Delete; made empty by above changes.
486 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
487 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
488 Don't include config/xm-lynx.h or tm.h.
490 * config/xm-gnu.h: Don't include fcntl.h.
491 * config/sparc/xm-lynx.h: Don't include sys/types.h and
493 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
495 2001-03-02 Richard Henderson <rth@redhat.com>
497 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
498 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
500 2001-03-02 Richard Henderson <rth@redhat.com>
502 * Makefile.in (OBJS): Add dwarf2asm.o.
503 * dwarf2asm.c, dwarf2asm.h: New files.
504 * dwarf2out.c (*): Use them.
505 (size_of_uleb128, size_of_sleb128): Remove.
506 (output_uleb128, output_sleb128): Remove.
507 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
508 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
509 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
510 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
511 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
512 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
513 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
514 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
515 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
516 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
517 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
518 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
519 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
520 (dwarf2out_frame_debug): Remove unused variables.
521 (output_loc_operands): Don't abort on 8 byte constants if
522 host integers are wide enough.
523 (output_symbolic_ref): Remove.
524 (size_of_die): Don't assume 4 byte host integers.
525 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
527 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
528 something stupid with HOST_WIDE_INT to long truncation.
529 [CONST_DOUBLE]: Likewise.
531 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
532 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
533 * config/arm/unknown-elf.h: Likewise.
534 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
535 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
536 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
537 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
538 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
539 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
540 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
541 (ASM_OUTPUT_DWARF_OFFSET): Remove.
542 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
543 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
544 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
545 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
547 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
549 * cselib.c (hash_rtx): Cast enums to unsigned int.
551 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
553 * print-rtl.c (print_rtx): Cast enums to int for comparison.
554 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
556 * c-format.c (C_STD_VER): Cast to int for comparisons.
557 (check_function_format): Cast various enums to int for &.
558 (maybe_read_dollar_number): Likewise.
559 (check_format_info): Likewise.
560 (check_format_info_main): Likewise.
561 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
562 (safe_from_p): Likewise.
563 * varasm.c (const_hash): Cast enum to int for %.
564 * emit-rtl.c (init_emit_once): Use int loop variable to work around
565 pcc enum problems with < and ++ operators.
566 * regclass.c (init_reg_sets_1): Cast enums for comparison.
567 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
568 (regclass_init): Change enum class to int to iterate over reg_classes.
569 * genrecog.c (merge_trees): Cast enums for comparison.
570 * rtl.h (GET_CODE): Cast to enum rtx_code.
571 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
572 (GET_MODE): Cast to enum machine_mode.
573 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
574 (GET_NOTE_INSN_NAME): Cast enum to int.
575 * tree.h (TREE_CODE): Cast to enum tree_code.
576 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
577 * timevar.c (timevar_print): Change loop variable id from enum to
579 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
580 * config/i386/i386.md: Use PUT_MODE for mode assignment.
581 * toplev.c (compile_file): Cast enum DFI to int.
582 (decode_d_option): Likewise.
584 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
586 * cppinit.c (append_include_chain): Mark "after" include file name list
587 as a system directory.
588 * cpp.texi: Document new behavior.
590 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
592 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
594 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
596 * cppfiles.c (struct include_file): Update.
597 (stack_include_file): Use search_from.
598 (cpp_included, find_include_file): Update.
599 (cpp_execute_include): Update. ptr->name may not be
600 null terminated. Use the new search_from member variable
602 (_cpp_compare_file_date): Similarly.
603 (search_from): New function, similiar to actual_directory.
604 (actual_directory): Delete.
605 (remap_filename): Update. loc->name may not be null terminated.
606 (struct file_name_list): Rename search_path. Update.
607 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
609 (struct cpp_reader): Remove actual_dirs.
610 * cppinit.c (struct cpp_pending): Update for renamed objects.
611 (append_include_chain, remove_dup_dir, remove_dup_dirs,
612 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
613 * cpplib.h (struct cpp_options): Similarly.
615 2001-03-01 Zack Weinberg <zackw@stanford.edu>
617 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
618 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
619 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
620 config/clipper/xm-clix.h, config/convex/xm-convex.h,
621 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
622 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
623 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
624 config/i370/xm-linux.h, config/i370/xm-mvs.h,
625 config/i370/xm-oe.h, config/i386/xm-aix.h,
626 config/i386/xm-i386.h, config/i386/xm-osf.h,
627 config/i860/xm-i860.h, config/i960/xm-i960.h,
628 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
629 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
630 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
631 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
632 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
633 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
634 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
635 config/pj/xm-pj.h, config/romp/xm-romp.h,
636 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
637 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
638 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
639 config/v850/xm-v850.h, config/vax/xm-vax.h,
640 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
641 Do not define TRUE or FALSE.
643 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
644 empty by above change.
645 * config.gcc: Remove references to these files.
647 * configure.in: Detect stdbool.h.
648 * configure, config.in: Regenerate.
649 * system.h: Include stddef.h here if available.
650 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
651 Then set up a sensible boolean type at the very end.
653 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
654 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
656 * hash.h: Delete 'boolean' typedef and related #undefs.
658 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
659 all uses of 'boolean' with 'bool'.
661 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
663 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
664 * cppexp.c (lex): Cast enums for comparison.
665 * cppinit.c (parse_option): Cast enum for comparison.
666 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
667 (cpp_output_token): Likewise.
668 (cpp_can_paste): Cast enums for comparsion and plus/minus.
669 (cpp_avoid_paste): Cast enums for minus and comparison.
671 2001-03-01 Zack Weinberg <zackw@stanford.edu>
673 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
674 field to all array elements.
676 2001-03-01 Zack Weinberg <zackw@stanford.edu>
678 * cpphash.h (struct cpp_reader): Add print_version field.
679 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
680 just set print_version and other flags as appropriate.
681 (cpp_post_options): Print version here if print_version is set.
683 * toplev.c (exit_after_options): New flag.
684 (independent_decode_option): Don't exit here; just set
686 (main): Exit after calling lang_hooks.post_options if
687 exit_after_options is true.
689 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
690 (merge_include_chains): Adjust comment to match code.
692 2001-03-01 Zack Weinberg <zackw@stanford.edu>
694 * stringpool.c (set_identifier): New function.
695 * tree.h: Prototype it.
697 * c-parse.in: Kill D_YES. If compiled for objc, call
698 save_and_forget_protocol_qualifiers from init_reswords.
699 * objc/objc-act.c (remember_protocol_qualifiers,
700 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
701 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
703 (save_and_forget_protocol_qualifiers): New function.
704 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
706 2001-03-01 Diego Novillo <dnovillo@redhat.com>
708 * c-semantics.c (prune_unused_decls): Return error_mark_node
709 instead of (tree) 1 to stop traversing the tree chain.
711 2001-03-01 Bernd Schmidt <bernds@redhat.com>
713 Fix a problem introduced by Kenner's Feb 18 change.
714 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
715 flag_cse_skip_blocks only temporarily, not for ever.
717 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
719 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
720 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
722 * pa.c (emit_move_sequence): Verify operand0 is a hard register
723 before determining its register class.
725 2001-03-01 Bernd Schmidt <bernds@redhat.com>
727 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
728 from reg 4 if current_function_calls_setjmp.
729 (gen_nop_type): New function.
730 (ia64_emit_nops): New function.
731 (ia64_reorg): Call it.
732 (ia64_sched_reorder): Move code that rotates bundles up a bit.
734 * reload1.c (eliminate_regs_in_insn): Restrict the special case
735 code not to try to optimize adds with anything but a REG destination.
737 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
738 (INSN_PRIORITY_KNOWN): New accessor macro.
739 * haifa-sched.c (priority): Use it instead of testing priority against
742 2001-02-28 DJ Delorie <dj@redhat.com>
744 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
745 since that doesn't work the way gcc wants on a generic m68k.
747 2001-02-28 Richard Henderson <rth@redhat.com>
749 * caller-save.c (save_call_clobbered_regs): Fix typo in
750 comparison last change.
752 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
754 * i386.c (pentium4_cost): New.
755 (m_PENT4): New macro.
756 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
757 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
758 x86_integer_DFmode_moves, x86_partial_reg_dependency,
759 x86_memory_mismatch_stall): Add Pentium4
760 (x86_use_q_reg, x86_use_any_reg): Kill.
761 (override_options): Add pentium4.
762 (incdec_operand): Return 0 for pentium4.
763 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
764 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
765 (TARGET_PENTIUM4): Define.
766 (enum processor_type): Add PROCESSOR_PENTIUM4.
767 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
768 * i386.md (attribute "cpu"): Add pentium4.
769 * invoke.texi (march): Add pentium4.
771 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
773 * i386.md (sse_mov?fcc*): New patterns and splitters.
774 * i386.c (ix86_expand_movcc): Work post-reload; recognize
775 the SSE based conditional moves.
777 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
779 * i386.md (attribute mode): Add "TI".
780 (movsf_1): Add pxor support; remove constant propagation splitter.
781 (movdf_integer): Likewise.
782 (movdf_nointeger): Likewise.
783 (movxf constant prop splitter): Handle all modes; update for SSE.
784 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
785 * i386.c (standard_80387_constant_p): Rewrite.
786 (standard_sse_constant_p): New.
787 * i386-protos.h (standard_sse_constant_p): New.
789 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
791 * i386.md (sse_setccsf, sse_setccdf): New.
792 (sse_cmp* patterns): Use '%D' instead of outputtting condition
794 * i386.c (sse_comparison_operator): Accept the supported unordered
795 comparses; be ready for fast_math.
796 (print_operand): Support 'D'.
798 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
800 * jump.c (reversed_comparison_code): Kill.
802 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
804 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
807 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
809 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
810 add missing '%' in constraints.
812 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
814 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
815 for HOST_BITS_PER_WIDE_INT == 32 too.
817 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
819 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
821 (insert_save, insert_restore): New parameter save_mode.
822 (init_caller_save): Update initialization of reg_save_code
823 and reg_restore_code.
824 (save_call_clobbered_regs): Compute save_modes and update calls to
825 reg_save_code and reg_restore_code.
826 (insert_restore): Unsignetize numbers; use save_modes to choose mode
827 of spill; update use of reg_restore_code.
828 (insert_save): Likewise.
829 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
830 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
831 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
833 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
835 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
836 noce_try_store_flag_inc, noce_try_store_flag_mask,
837 noce_try_cmove_arith):
838 Use reversed_comparison_code instead of reverse_comparison and
839 can_reverse_comparison_p.
841 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
843 * jump.c (reversed_comparison_code_parts): Allow reversal of
844 unordered compares in -ffast-math mode; reverse ordered compares
845 for FP even w/o -ffast-math.
847 2001-02-27 Richard Henderson <rth@redhat.com>
849 * print-rtl.c (print_rtx) [i]: Don't print field five on
850 NOTEs other than NOTE_INSN_DELETED_LABEL.
852 2001-02-27 Zack Weinberg <zackw@stanford.edu>
854 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
855 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
857 2001-02-27 Diego Novillo <dnovillo@redhat.com>
859 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
860 even if walk_subtrees is 0.
861 * c-semantics.c (prune_unused_decls): Return a non-null value to
862 stop traversing the tree chain.
864 2001-02-27 DJ Delorie <dj@redhat.com>
866 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
867 register, *then* define it as the new CFA.
869 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
871 * pa.c (override_options): Promote -fpic to -fPIC.
872 (legitimize_pic_address): Simplify due to removal of
873 small PIC as a code generation option.
874 (secondary_reload_class): Similarly.
875 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
876 (PRINT_OPERAND_ADDRESS): Similarly.
877 * pa.md (various patterns): Similarly.
878 (small pic lo_sum pattern): Remove.
880 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
883 * md.texi (min, max): Document
885 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
887 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
888 TARGET_PARTIAL_REG_DEPENDENCY.
889 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
891 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
893 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
895 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
897 * mips.c (mips_make_temp_file): Fix thinko in last change.
899 2001-02-26 Jason Eckhardt <jle@redhat.com>
901 * combine.c (known_cond): Do not reverse the condition when
902 SMAX/UMAX is being considered and the condition is for equality
905 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
907 2001-02-26 Philip Blundell <philb@gnu.org>
909 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
911 * config/arm/linux-elf.h: Remove historical relics related to
912 above configurations.
913 * config/arm/linux-oldld.h: Delete.
914 * config/arm/linux-elf26.h: Delete.
916 2001-02-26 Jason Merrill <jason@redhat.com>
918 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
920 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
921 recognize a tentative definition. Lose obsolete code.
923 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
924 variables unless necessary, either.
926 2001-02-25 Richard Henderson <rth@redhat.com>
928 * ifcvt.c (struct noce_if_info): Add test_bb.
929 (noce_get_alt_condition): New.
930 (noce_try_minmax, noce_try_abs): New.
931 (noce_operand_ok): New.
932 (noce_process_if_block): Use them.
933 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
935 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
937 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
940 2001-02-25 Zack Weinberg <zackw@stanford.edu>
942 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
943 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
945 (mips_asm_file_end): Free temp_filename here.
947 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
949 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
950 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
952 * config/i386/i386.md (movstrsi): Handle FAIL case.
954 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
956 * cppinit.c (builtin_array): Update.
957 (init_builtins): Flag builtins to warn if redefined or
958 undefined. Define __GXX_WEAK as a normal macro.
959 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
960 * cpplib.h (NODE_WARN): New flag.
961 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
962 Handle __STDC__ as a builtin only on Solaris.
963 (warn_of_redefinition): Renamed from check_macro_definition.
964 Reverse sense of test. Always warn if NODE_WARN.
965 (_cpp_create_definition): Use warn_of_redefinition. Flag
966 any macro beginning with "__STDC_" to require a mandatory
967 warning if redefined or undefined.
969 2001-02-24 Zack Weinberg <zackw@stanford.edu>
971 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
972 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
973 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
974 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
975 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
976 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
978 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
979 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
980 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
981 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
982 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
984 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
985 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
988 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
989 Delete now-empty file.
991 * alpha/vms.h: Define NEED_ATEXIT here...
992 * alpha/xm-vms.h: ...not here.
994 * i386/cygwin.h: Don't define PARAMS.
995 * mips/mips.c: Don't prototype mktemp. Don't define
996 P_tmpdir. Use make_temp_file to create temporary files.
997 Don't be clever and delete temporary files early.
998 * config.gcc: Drop references to deleted files. Don't define
1000 * gcc.texi: Don't mention USE_PROTOTYPES.
1002 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1004 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
1005 (ix86_set_move_mem_attrs_1): Likewise.
1006 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
1007 * config/i386/i386.md (movstrsi): Call it.
1009 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1011 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
1012 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
1013 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1014 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1016 (i750a-*-*): Error here if hosting on i750a.
1017 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1019 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1020 Remove (empty modulo comments).
1022 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1023 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1024 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1025 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1026 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1027 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1029 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1030 Remove reference to winnt.h in comment.
1031 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1033 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1035 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1036 used to set another biv.
1038 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1040 * tree.h (BLOCK_DEAD): New macro.
1041 (struct tree_block): New flag, dead_flag.
1042 * print-tree.c (print_node, case 'b'): Print missing fields.
1043 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1044 * function.c (identify_blocks): Enable test for misplaced notes.
1045 (all_blocks): Skip BLOCK_DEAD blocks.
1046 * integrate.c (integrate_decl_tree): Likewise.
1048 * errors.c (internal_error, trim_filename): New functions.
1049 (fancy_abort): Call internal_error.
1050 * errors.h (internal_error, trim_filename): New declarations.
1052 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1054 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1056 (EXTRA_CONSTRAINT): Formatting changes.
1058 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1060 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1062 2001-02-23 Per Bothner <per@bothner.com>
1064 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1065 so they can be called from java/jvspec.c.
1066 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1068 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1070 * i386.c (ix86_frame): New structure.
1071 (ix86_compute_frame_size): Kill.
1072 (ix86_compute_frame_layout): New.
1073 (ix86_save_reg): New.
1074 (ix86_can_use_return_insn_p): Use frame layout stuff.
1075 (ix86_expand_prologue): Likewise.
1076 (ix86_expand_epilogue): Likewise.
1077 (ix86_initial_elimination_offset): Likewise.
1078 (ix86_nsaved_regs): Use ix86_save_reg.
1079 (ix86_emit_save_regs): Likewise.
1081 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1083 * flow.c (find_sub_basic_blocks): New function.
1084 (split_block): Be ready for basic block introduced by CODE_LABEL.
1085 (commit_one_edge_insertion): Call find_sub_basic_block.
1087 * flow.c (make_edges): Add edge from entry for blocks starting with
1088 label having ALTERNATE_NAME
1090 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1092 * function.c (epilogue_done): Be ready for first basic block not
1093 containing PROLOGUE_END note.
1094 (reposition_prologue_and_epilogue_notes): Avoid placing
1095 PROLOGUE_END note between BASIC_BLOCK.
1097 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1099 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1101 2001-02-21 DJ Delorie <dj@redhat.com>
1103 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1104 check for current_function_has_nonlocal_goto from 1999-11-12.
1106 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1108 * diagnostic.c (trim_filename): No longer static.
1109 * toplev.h (trim_filename): Declare.
1110 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1111 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1112 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1113 (rtvec_check_failed_bounds): Likewise.
1114 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1116 * convert.c (convert_to_integer): Don't do unsigned unless result or
1117 both inputs are unsigned.
1119 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1122 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1124 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1126 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1128 * Makefile.in (resource.o): Add params.h dependence.
1129 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1130 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1131 * resource.c: Add dependence on params.h.
1132 (current_live_regs): Fix explanatory comment.
1133 (find_basic_block): Add new parameter to permit limiting search
1135 (mark_target_live_regs): Add new argument to find_basic_block call.
1136 (incr_ticks_for_insn): Likewise.
1138 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1140 * diagnostic.c (output_to_stream): Rename to
1141 output_buffer_to_stream. Loses the stream parameter.
1142 (init_output_buffer): Set diagnosic_buffer's stream.
1143 (flush_diagnostic_buffer): Adjust.
1144 (default_print_error_function): Likewise.
1145 (finish_diagnostic): Likewise.
1146 (verbatim): Likewise.
1148 * diagnostic.h (struct output_buffer): Add `stream' field.
1149 (output_buffer_attached_stream): New macro.
1151 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1153 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1154 check if either operand is divisible by C.
1155 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1156 If type is signed, consider negative numbers as well.
1158 2001-02-22 Richard Henderson <rth@redhat.com>
1160 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1161 reach .text instead of gp-relative relocs.
1162 * config/ia64/crtend.asm (.init): Likewise.
1164 2001-02-22 Andreas Jaeger <aj@suse.de>
1166 * extend.texi (C++ Attributes): Fix typo.
1168 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1170 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1171 functions, drop current_function_args_info.words test.
1172 (ia64_compute_frame_size): Mark syscall_linkage functions as
1173 using eight input registers.
1175 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1176 Bruce Korb <bkorb@gnu.org>
1178 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1179 * fixinc/README: Document how to convert sed substitutions
1180 to format style c_fix-es.
1181 * fixinc/fixincl.x: regen
1183 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1185 * gcc.c: Add comment explaining how to add a command-line option.
1186 Add title to specs language comment.
1188 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1190 * gcc.c (cc1_options): Add "-param".
1191 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1192 (option_map): Likewise.
1193 * toplev.c (display_help): Add entry for "--param".
1194 (independent_decode_option): Fix typographical error.
1196 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1197 Bernd Schmidt <bernds@redhat.com>
1198 Jan Hubicka <jh@suse.cz>
1200 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1201 (function_arg): Likewise.
1203 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1205 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1207 2001-02-21 Kazu Hirata <kazu@hxi.com>
1209 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1213 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1215 * flow.c (init_propagate_block_info): Canon address and use single_set
1216 for killing dead memory stores.
1218 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1220 * Makefile.in (reorg.o): Add params.h dependence.
1221 * params.def: Fix typographical error in comment.
1222 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1223 * params.h: Modify introductory comment.
1224 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1225 * reorg.c: Add dependence on params.h.
1226 (redundant_insn): Add parameterized throttle for search.
1227 (fill_simple_delay_slots): Add a comment explaining a variable.
1228 Move conditional out of loop, simplifying code.
1229 (fill_eager_delay_slots): Fix typographical error in comment.
1231 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1233 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1235 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1236 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1238 2001-02-21 Jason Merrill <jason@redhat.com>
1240 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1241 (struct tree_decl): Add uninlinable bitfield.
1242 * c-decl.c (duplicate_decls): Set it.
1243 * integrate.c (function_cannot_inline_p): Check it.
1245 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1246 DW_AT_MIPS_linkage_name to abstract methods.
1247 (dwarf2out_abstract_function): Emit class context before calling
1248 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1249 (gen_subprogram_die): Remove obsolete code.
1250 (gen_member_die): Don't include clones in the member list.
1251 (gen_decl_die): Emit abstract info for clone origin.
1252 * dwarfout.c (output_type): Don't include clones in the member list.
1253 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1254 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1255 DECL_ABSTRACT on a function that already has it set.
1257 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1258 (get_subprogram_die): Pass it in.
1260 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1262 * flow.c (mark_set_1): Make not_dead unsigned long. For
1263 non-pseudos, use it as a bitmask of the hard regs that
1266 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1268 * cppfiles.c: Update comments.
1269 (_cpp_read_file): Don't check for NULL filenames any more.
1270 * cppinit.c (cpp_start_read): Don't do canonicalization of
1271 in_fname and out_fname. Use the passed file name exclusively.
1272 (_cpp_handle_options): Don't treat "-" as a command line option,
1273 but as a normal filename.
1274 (_cpp_post_options): Canonicalize in_fname and out_fname.
1275 * cppmain.c (printer_init): Don't check out_fname for NULL.
1276 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1277 (init_c_lex): Update, and use "" to represent stdin to CPP.
1280 2001-02-20 Will Cohen <wcohen@redhat.com>
1282 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1283 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1284 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1287 2001-02-20 Stan Shebs <shebs@apple.com>
1289 * config/rs6000/rs6000.c (output_cbranch): Output branches
1290 on separate lines instead of using ';' to separate.
1292 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1294 * cppinit.c (set_lang): Move builtin handling to...
1295 (init_builtins): ...here.
1296 (_cpp_create_reader): Move call to set_lang.
1298 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1300 * stmt.c (expand_return): If an attempt is made to return the
1301 error_mar_node, treat the return like a return without a value.
1303 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1305 * sibcall.c (skip_copy_to_return_value): Call
1306 identify_call_return_value here, and return orig_insn if it
1307 returns zero. Hardret and softret arguments now unnecessary.
1308 (call_ends_block_p): Don't call identify_call_return_value here.
1310 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1312 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1313 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1315 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1317 * pa.c (move_operand): Accept code to load the address of a
1318 symbol out of the DLT as a valid move operand.
1319 (print_operand, case 'A'): New to handle generating a DLT
1320 reference for a LO_SUM expression.
1321 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1322 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1324 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1326 * README, cpp.texi, gcc.texi, version.c: Update version number to
1328 * cpp.1, gcov.1, gcc.1: Regenerate.
1330 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1332 * cppfiles.c (stack_include_file): Generate dependencies
1333 here, and manage include_count here too.
1334 (PRINT_THIS_DEP): Delete.
1335 (_cpp_execute_include): Do not generate dependencies here,
1336 apart from the case of a missing header. Do not manage
1338 (_cpp_read_file): Leave dependency generation to
1341 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1343 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1344 target_cpu_default. Remove dead assignment to
1347 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1349 * regclass.c (contains_reg_of_mode): Make global.
1350 (init_reg_sets): Remove contains_reg_of_mode; take into account
1351 CLASS_MAX_NREGS when looking for the proper mode.
1352 (dump_regclass): Dump only classes considered for the pseudo.
1353 (regclass): Use contains_reg_of_mode.
1355 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1357 * gcc.c (do_spec_1): 'n' for printing notices.
1358 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1360 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1362 * reg-stack.c (next_flags_user): Use current_block->end
1363 (swap_rtx_condition): Look for next user if flags don't die;
1364 give up on CALL_INSNs; use current_block->end.
1366 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1368 * sibcall.c (call_ends_block_p): New function.
1369 (optimize_sibling_and_tail_recursive_call): Use it.
1371 2001-02-18 Kazu Hirata <kazu@hxi.com>
1373 * config/h8300/h8300.md: Update copyright.
1374 (andsi3): Do not output an extra newline character.
1376 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1378 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1379 FNDECL may be unused.
1381 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1382 follow jumps after first run.
1383 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1384 it doesn't change any jumps.
1386 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1388 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1389 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1390 (mostlyclean): Corresponding changes.
1391 * rtlanal.c (hard-reg-set.h): Include.
1392 (rtx_unstable_p): Do not treat the argument pointer specially
1393 if it is not a fixed register.
1394 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1396 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1398 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1399 against last real insn in basic block.
1400 Rework to avoid gotos.
1402 * Makefile.in (gcse.o): Now includes ggc.h.
1403 * gcse.c: Include ggc.h.
1404 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1405 (try_replace_reg): Remove warning of uninitialize variable.
1406 (process_insert_insn): Call invalid_insn_p to validate insn.
1407 * recog.c (insn_invalid_p): Now global.
1408 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1409 * recog.h (insn_invalid_p): New declaration.
1411 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1413 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1414 assignments from FP constants since 'Y' output code can't handle it.
1415 (eligible_for_sibcall_delay): Likewise.
1417 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1418 Call fancy_abort directly, passing args.
1419 (print_rtl_and_abort): Now a macro, like fancy_abort.
1421 * final.c (output_operand_lossage): Use internal_error, not error.
1423 2001-02-18 Shane Nay <shane@agendacomputing.com>
1425 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1426 structure shift insns.
1428 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1430 * invoke.texi (-fsquangle): Remove documentation.
1431 (-fname-mangling-version): Likewise.
1433 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1435 * optabs.c (expand_abs): Remove reference to
1436 HAVE_contitional_arithmetic.
1437 * combine.c (simplify_set): Likewise.
1439 2001-02-18 Richard Henderson <rth@redhat.com>
1441 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1444 2001-02-18 Richard Henderson <rth@redhat.com>
1446 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1448 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1450 * reload1.c (reload_cse_simplify_set): Fix typo.
1452 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1454 * diagnostic.c (_fatal_insn): Decrement errorcount.
1456 * invoke.texi (-I): Add note avoiding use for system header files.
1458 * rtl.h (add_clobbers): Remove duplicate declaration.
1459 * recog.h (added_clobbers_hard_reg_p): New declaration.
1460 * genemit.c (struct clobber_pat): New field has_hard_reg.
1461 (gen_insn): Record if added clobbers clobber hard reg.
1462 (gen_split): Avoid unused warning if number of operands is 0.
1463 (output_added_clobbers_hard_reg_p): New function.
1466 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1468 * pa.c (hppa_expand_prologue): Simplify code storing return
1469 pointer. For large (>=8k) frames with a post_store, adjust stack
1470 pointer by 8k-64 first rather than by 64. When testing with
1471 VAL_14_BITS_P, always use the actual value rather than the value
1472 negated. Add blockage to prevent scheduling of spills before
1473 stack frame has been created.
1474 (hppa_expand_epilogue): Simplify code loading return pointer.
1475 Allow a slightly larger range for merge_sp_adjust_with_load case.
1476 When testing with VAL_14_BITS_P, always use the actual value.
1478 * pa.c (pa_adjust_insn_length): Check that block move
1479 pattern is a set before looking at operands.
1481 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1483 * fold-const.c (fold_binary_op_with_conditional_arg): New
1484 function, split out from ...
1486 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1487 conditional arms that throw exceptions.
1489 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1492 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1494 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1495 define HAVE_DECL_* to 1 to mask potential backup declarations.
1496 * configure: Regenerated.
1498 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1500 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1502 2001-02-17 Richard Henderson <rth@redhat.com>
1504 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1505 when replacing a memory load with a register.
1507 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1508 Jan Hubicka <jh@suse.cz>
1510 * recog.c (validate_replace_src_1): New.
1511 (validate_replace_src_data): Likewise.
1512 (validate_replace_src): Use note_uses.
1513 * rtl.h (note_uses): Declare.
1514 * rtlanal.c (note_uses): New.
1516 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1518 * reg-stack.c (stack_def): Make field reg unsigned.
1519 (remove_regno_note): Unsignetize parameter.
1521 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1523 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1524 shladd_operand() call.
1526 2001-02-16 Bruce Korb <bkorb@gnu.org>
1527 Rodney Brown <RodneyBrown@mynd.com>
1529 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1530 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1531 machine restrictions
1532 * fixinc/fixincl.x: regen
1534 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1536 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1538 (hash_scan_insn): Clean up calls to hash_scan_set.
1539 (compute_kill_rd): REGNO now unsigned.
1540 (try_replace_reg): Rework to use simplify_replace_rtx.
1541 (cprop_jump, cprop_cc0_jump): Likewise.
1542 (cprop_insn): Call find_reg_equal_equiv_note.
1543 Reflect changes to cprop_jump and cprop_cc0_jump.
1545 * recog.c (validate_replace_src): Replace in operands of
1546 ZERO_EXTRACT in SET_DEST.
1548 * cse.c (new_label_ref): New variable.
1549 (insert): Set it instead of recorded_label_ref.
1550 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1551 CODE_LABEL for this function, and not already in REG_LABEL note.
1553 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1555 * resource.c (mark_referenced_resources): Fix typo in introductory
1557 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1560 2001-02-16 Jason Merrill <jason@redhat.com>
1562 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1564 (gen_subprogram_die): Don't abort on seeing a second definition if
1565 the previous one was abstract. Don't replace an abstract instance
1566 in the lookup table.
1568 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1569 gen_abstract_function.
1570 * dwarf2out.h: Declare it.
1571 * toplev.c (note_outlining_of_inline_function): New fn.
1572 * toplev.h: Declare it.
1573 * integrate.c (output_inline_function): Call it.
1574 * c-decl.c (duplicate_decls): Call it when redefining an extern
1575 inline. Don't inline the new defn.
1577 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1579 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1581 * .gdbinit: Rename to gdbinit.in.
1582 * gdbinit.in: New file,
1583 * configure.in: Generate .gdbinit from gdbinit.in.
1584 * configure: Regenerated.
1585 * Makefile.in (distclean): Always remove .gdbinit.
1587 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1589 * objc/objc-act.c (start_class): Register implemented_classes with
1592 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1594 * cppfiles.c (_cpp_make_system_header): Generate a file
1597 2001-02-15 Jim Meyering <meyering@lucent.com>
1599 * Makefile.in (install-common): Don't depend on installdirs here.
1600 Instead, make each of the lang.install-common targets (e.g.,
1601 c++.install-common in cp/Make-lang.in) depend on it.
1602 (install-driver): Depend on installdirs.
1604 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1606 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1608 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1611 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1613 * invoke.texi (--param): Document.
1615 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1617 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1619 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1621 * i386.md (extendsfdf2_2): Fix constraints.
1623 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1625 * i386.md (fop_df_3 splitter): Fix operand number.
1627 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1629 * invoke.texi (-mreg-alloc): Nuke.
1630 * i386.c (ix86_reg_alloc_order, regs_allocated,
1631 order_regs_for_local_alloc): Nuke.
1632 (override_options): Kill reg_alloc code.
1633 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1634 (REG_ALLOC_ORDER): SSE goes before I387.
1635 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1636 (ix86_reg_alloc_order): Likewise.
1637 * i386-protos.h (ix86_reg_alloc_order): Kill.
1639 2001-02-14 Richard Henderson <rth@redhat.com>
1641 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1643 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1645 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1647 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1649 * i386-protos.h (ix86_memory_move_cost): Move offline.
1650 * i386.c (ix86_register_move_cost): Compute properly cost of
1651 SSE, MMX and i387 instructions.
1652 (*_cost): Add costs of SSE/MMX moves.
1653 (ix86_memory_move_cost): Move offline from ....; Likewise.
1654 * i386.h (MEMORY_MOVE_COST): .... here;
1655 (struct processor costs): Add new fields to represent costs
1658 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1660 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1661 move_cost together with Matt Kraai's fix.
1663 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1665 * Makefile.in (OBJS): Add params.o.
1667 2001-02-14 Richard Henderson <rth@redhat.com>
1668 DJ Delorie <dj@redhat.com>
1670 * jump.c (jump_optimize_1): When we delete a conditional jump
1671 preceeding a non-conditional jump to effectively the same place,
1672 make sure that the combined jump skips any clobber insns between
1675 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1677 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1679 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1681 * Makefile.in (toplev.o): Depend on params.h.
1682 (intergate.o): Likewise.
1683 (params.o): New target.
1684 * flags.h (inline_max_insns): Remove.
1685 * integrate.c: Include params.h.
1686 Use MAX_INLINE_INSNS instead of inline_max_insns.
1687 * params.c: New file.
1688 * params.h: Likewise.
1689 * params.def: Likewise.
1690 * toplev.c: Include params.h.
1691 (lang_independent_params): New variable.
1692 (decode_f_option): Use the param machinery instead of setting
1694 (independent_decode_option): Handle "--param name=value".
1695 (main): Register language-independent parameters.
1697 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1699 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1701 2001-02-14 Richard Henderson <rth@redhat.com>
1703 * regclass.c (init_reg_sets_1): Revert last two changes.
1705 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1707 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1708 (variable_size): Call put_pending_size.
1709 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1710 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1711 sizes list, put newly created SAVE_EXPR there as well.
1713 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1715 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1716 (errata_find_address_regs): load_group has only 2 entries.
1717 (errata_emit_nops): Likewise. shladd is not problematic.
1718 Clear last_group if nop was emitted.
1719 (fixup_errata): load_group has only 2 entries.
1722 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1724 * c-lex.c (lex_number): Only warn traditionally for U suffix
1725 outside system macros.
1726 * cppexp.c (parse_number): Similarly.
1727 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1728 * cppmacro.c (struct cpp_macro): New member node.
1729 (parse_args): Only warn about missing rest args if not
1731 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1732 (cpp_sys_objmacro_p): New.
1733 (_cpp_create_definition): Store the node with the macro defn.
1734 Remember if the macro is defined in a system header.
1736 2001-02-13 DJ Delorie <dj@redhat.com>
1738 * configure.in (check_languages): determine languages to check
1739 * Makefile.in (check-c++): alias for check-g++
1740 (check-f77): alias for check-g77
1741 (CHECK_TARGETS): depend on configured languages
1743 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1745 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1746 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1747 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1748 (sqrtextendsfdf2): Disable for SSE2.
1750 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1753 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1754 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1755 (sqrtextendsfdf2): Disable for SSE2.
1757 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1759 * i386.md (movsfcc_1): Support integer cmove instruction.
1760 (movdfcc_1): Likewise; new splitter.
1762 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1764 * i386.c (output_fp_compare): Support SSE.
1765 (prepare_fp_compare_args): SSE comparisons always support memory.
1766 * i386.h (TARGET_CMOVE): SSE imply cmove.
1767 * i386.md (cmp?f2): Enable for SSE too.
1768 (cmpfp_i*): Support SSE.
1770 (cmpfp_i_sse_only): New.
1771 (s*, b* fp expanters): Enable for SSE too.
1772 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1775 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1777 * regclass.c (init_reg_sets_1): Silence warning.
1779 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1781 * i386.md (sqrt?f2): Change to expander.
1782 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1784 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1786 * rtlanal.c (find_reg_equal_equiv_note): New function.
1787 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1788 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1789 * rtl.h: Add declarations for above functions.
1791 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1793 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1795 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1796 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1797 * flow.c (mark_regs_live_at_end): Likewise.
1798 (calculate_global_regs_live): Likewise.
1799 * gcse.c (compute_hash_table): Likewise.
1800 (compute_kill_rd): Likewise.
1801 * resource.c (mark_target_live_regs): Likewise.
1802 * rtl.h (INVALID_REGNUM): New macro.
1804 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1806 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1808 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1810 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1813 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1815 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1817 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1818 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1819 (fop_sf_1_sse, fop_df_1_sse): New patterns
1820 (fop_*): Disable float_extend and float patterns for SSE compilation.
1821 * i386.c (output_387_binary_op): Support SSE.
1823 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1825 * i386.md (dummy_extendsfdf2): Support SSE2
1826 (extendsfdf2): Enable if 80387 or SSE2.
1827 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1828 and no MIX_I387_SSE2
1829 (extendsfdf2_1_sse_only): New pattern.
1830 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1832 (truncdfsf2_1): Support SSE.
1833 (truncdfsf2_2): Support SSE.
1834 (truncdfsf2_2_1_sse): New pattern.
1835 (fixtruncsfsi2): Always use SSE if available.
1836 (fix_truncsfsi_sse): New pattern.
1837 (fix_truncdfsi_sse): New pattern.
1838 (floatsis?f2): Support SSE.
1839 (floatsidf2_i387): New pattern.
1840 (floatsidf2_sse): Likewise.
1842 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1844 * configure.in: Use "have_gnat" variable, not "gnat".
1845 * configure: Regenerated.
1847 * config/sparc/sparc.c (function_value): Treat all non-record
1848 aggregate types like used to treat UNION_TYPE.
1850 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1852 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1853 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1855 (MASK_MIX_SSE_I387): New.
1856 (TARGET_SSE): SSE2 imply SSE.
1857 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1858 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1859 (enum reg_class): Add new classes.
1860 (REG_CLASS_NAMES): Likewise.
1861 (REG_CLASS_CONTENTS): Likewise.
1862 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1863 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1864 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1865 (CLASS_MAX_NREGS): Use new macros.
1866 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1867 * i386.md (pushsf, movsf): Support SSE.
1868 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1869 splitters to use ANY_FP_REGNO_P.
1870 (movdf_nointeger, movdf_integer): Likewise.
1872 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1874 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1875 (try_combine): Use it.
1877 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1879 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1880 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1881 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1882 (REGISTER_MOVE_COST): Likewise.
1883 * i386-protos.h (ix86_secondary_memory_needed,
1884 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1885 * i386.c (ix86_secondary_memory_needed,
1886 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1888 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1890 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1891 (HARD_REGNO_MODE_OK): Move offline to ....
1892 * i386.c (ix86_hard_regno_mode_ok) ... here;
1893 refuse all incorrect modes.
1894 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1896 2001-02-13 Richard Henderson <rth@redhat.com>
1898 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1899 entire operator; replicate that and match_dup the operands.
1900 (cmp_ccx_arith_op_set): Likewise.
1901 (cmp_cc_arith_op_not_set): Likewise.
1902 (cmp_ccx_arith_op_not_set): Likewise.
1904 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1906 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1908 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1910 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1911 (TARGET_NO_BITFIELD_WORD): New macro.
1912 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1913 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1915 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1917 * cselib.c: New file, from simplify-rtx.c.
1918 * simplify-rtx.c: Remove cselib parts.
1919 * Makefile.in: Add cselib.o.
1921 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1923 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1924 (setup_incoming_varargs): Remove warning.
1926 * config/rs6000/rs6000.c (validate_condition_mode): When
1927 flag_fast_math, allow floating-point conditionals to be reversed.
1928 (rs6000_generate_compare): When flag_fast_math, don't generate
1929 cror operations for FP conditionals.
1931 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1933 (ASM_SPEC): Likewise.
1934 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1935 (CC1_SPEC): Likewise.
1936 (LINK_TARGET_SPEC): Likewise.
1937 (CPP_ENDIAN_SPEC): Likewise.
1938 * Makefile.in (check-consistency): New target.
1940 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1942 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1943 "return type defaults" warning for functions with return type
1945 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1946 function declarations by default rather than only when pedantic.
1948 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1950 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1953 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1955 * extend.texi (Deprecated): Deprecate new initializer lists.
1957 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1959 * mkdeps.c (deps_add_default_target): Robustify. Add
1960 basename component only.
1961 * cpp.texi (-M): Describe how default target is generated.
1962 * invoke.texi (-M): Likewise.
1964 2001-02-12 Kazu Hirata <kazu@hxi.com>
1966 * toplev.c (push_float_handler): Remove.
1967 (pop_float_handler): Remove.
1968 * toplev.h: Remove prototypes for the above functions.
1970 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1972 * c-common.c (constant_fits_type_p): New function.
1973 (convert_and_check): Use it.
1975 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1977 * Makefile.in (GXX_ABI_FLAG): Don't define.
1978 * configure.in (--enable-new-gxx-abi): Remove option.
1979 * config.in: Regenerated.
1980 * configure: Likewise.
1982 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1984 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1986 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1987 regular basic block, and arrange for all edges into it to switch
1990 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1992 * Makefile.in (distclean): Do not remove .gdbinit.
1994 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1996 * Makefile.in (gcc.o): Fix typos.
1997 (protize.o): Likewise.
1998 (unprotoize.o): Likewise.
2000 2001-02-11 Richard Henderson <rth@redhat.com>
2002 * tree.c (build1): Check for null operand in last change.
2004 2001-02-11 Richard Henderson <rth@redhat.com>
2006 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
2007 (fold): Don't assume a constant isn't foldable.
2008 * tree.c (build): Set TREE_CONSTANT for an expression with no
2009 side-effects and constant operands.
2012 2001-02-10 Richard Henderson <rth@redhat.com>
2014 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2016 2001-02-10 Anthony Green <green@redhat.com>
2018 * cpp.texi (Standard Predefined): Add documentation for
2021 * c-common.c (combine_strings): Improve warning message.
2023 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2025 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2027 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2029 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2031 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2034 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2036 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2039 2001-02-09 Nick Clifton <nickc@redhat.com>
2041 * config/arm/arm.md: Change output contraint on post inc
2042 load/store multiple patterns to be a read/write contraint.
2044 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2046 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2047 .o files when using the -M options.
2049 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2050 David Edelsohn <edelsohn@gnu.org>
2052 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2053 handle DImode constants. Use one TOC entry for SImode and smaller
2054 constants, aligned properly.
2056 2001-02-08 Jason Merrill <jason@redhat.com>
2058 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2059 about the SP adjustment for saving the static chain pointer.
2060 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2061 offset when setting a temporary CFA register.
2063 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2065 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2066 powerpc-*-chorusos* .
2067 * config/rs6000/chorus.h : New file.
2068 * config/i386/chorus.h : New file.
2069 * config/sparc/chorus.h : New file.
2070 * config/sparc/t-chorus-elf : New file.
2072 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2074 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2075 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2076 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2077 (__WCHAR_TYPE__): Correct macro name.
2079 2001-02-08 Richard Henderson <rth@redhat.com>
2081 * config/i386/i386.c (ix86_frame_pointer_required): New.
2082 (ix86_setup_frame_addresses): New.
2083 (struct machine_funciton): Add accesses_prev_frame.
2084 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2085 ix86_frame_pointer_required.
2086 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2087 (SETUP_FRAME_ADDRESSES): New.
2088 * config/i386/i386-protos.h: Update.
2089 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2090 from FRAME_POINTER_REQUIRED.
2091 * config/i386/svr3gas.h: Likewise.
2092 * config/i386/sysv3.h: Likewise.
2093 * config/i386/v3gas.h: Likewise.
2095 2001-02-08 Richard Henderson <rth@redhat.com>
2097 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2098 calculation of the number of integer registers required.
2099 (function_arg_record_value): Likewise.
2101 2001-02-08 Jason Merrill <jason@redhat.com>
2103 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2104 two. Print file and line with "confused" message.
2106 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2108 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2110 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2112 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2114 * final.c (cleanup_subreg_operands): The address of a MEM can
2117 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2120 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2122 * gcc.texi (Incompatibilities): Update documentation of
2123 preprocessing numbers.
2125 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2127 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2129 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2131 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2133 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2134 * gcc.c (struct compiler): Add cpp_spec field.
2135 (input_file_compiler): New variable.
2136 (do_spec_1): Allow a particular compiler to handle `%C'
2138 (main): Store the current compiler in input_file_compiler.
2139 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2141 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2143 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2144 * cppinit.c (cpp_create_reader): Initialize them.
2145 (append_include_chain): cxx_aware arg might be unused.
2146 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2147 keywords and give them their phase 7 meaning. Pedwarn about
2148 this unless '__bool_true_false_are_defined' is defined.
2150 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2152 * lcm.c (optimize_mode_switching): Emit mode_set before the
2153 JUMP_INSN of an abnormal edge.
2155 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2157 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2158 a scheduling barrier at the end.
2160 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2162 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2164 * config/sh/sh.md (reload_outsf): Removed.
2165 (movsf_ie): Introduce constraints for FPUL loads and stores.
2166 (reload_insf): Broaden the output constraint.
2168 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2170 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2171 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2173 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2175 * final.c: Revert my previous changes.
2176 * output.h: Make profile_label_no extern.
2177 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2178 for generating label.
2180 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2182 * config/i386/djgpp.h: Add comments about standard paths.
2183 (MD_EXEC_PREFIX): Undefine before defining.
2184 (MD_STARTFILE_PREFIX): New.
2186 2001-01-30 Bruce Korb <bkorb@gnu.org>
2188 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2189 (load_file): do not rely on load_file_data() to close file pointer
2190 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2191 fixinc/inclhack.def(irix_limits_const): add test_text
2193 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2195 * cppexp.c (parse_defined): Improve diagnostics for invalid
2198 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2200 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2202 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2204 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2205 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2206 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2207 (rs6000_output_symbol_ref): New function.
2208 (output_toc): Use VTABLE_NAME_P.
2210 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2212 * print-tree.c (print_node, case PARM_DECL):
2213 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2215 * stor-layout.c (reference_types_internal): New variable.
2216 (internal_reference_types): New function.
2217 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2218 * tree.h (internal_reference_types): New declaration.
2220 * cse.c (find_best_addr): Fix typo in computing cost.
2222 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2224 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2225 and this is the sum of a pointer and a constant, we know the result
2227 (num_sign_bit_copies, case PLUS): Likewise.
2228 * explow.c (convert_memory_address): Remove opposite SUBREG.
2229 * function.c (instantiate_new_reg): New function (from common code).
2230 (instantiate_virtual_regs_1): Call it.
2231 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2232 if pointers sign- or zero-extend.
2233 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2234 If pointers extend unsigned, use inside of SUBREG.
2235 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2237 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2239 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2240 subdir of gcc_gxx_include_dir.
2241 (gcc_gxx_target_include_dir): Remove.
2243 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2245 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2246 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2247 a high-level description.
2249 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2251 * final.c: Move the declaration of profile_label_no to ...
2252 * output.h: ... here.
2253 * function.c (expand_function_start): Call PROFILE_HOOK.
2254 * config/rs6000/aix.h: Define PROFILE_HOOK.
2255 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2256 * config/rs6000/rs6000.c (output_profile_hook): Define.
2257 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2258 output_profile_hook.
2259 tm.texi : Explain new macro PROFILE_HOOK.
2261 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2263 * extend.texi (Extended Asm): Do not say that semicolon is always
2264 a valid line-breaking character for GNU assemblers. Use
2265 newline-tab as the most commonly supported syntax. Use
2266 newline-tab rather than semicolon in multi-insn examples.
2268 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2270 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2272 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2273 David Edelsohn <edelsohn@gnu.org>
2275 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2276 code for AIX, even without flag_pic.
2278 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2280 * c-typeck.c (common_type): push and pop binding level around
2281 calling common_type on function parameters.
2283 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2285 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2287 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2289 * config/mips/mips.c (override_options): Fix typo in last change.
2290 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2291 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2293 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2295 * invoke.texi (-fdump-class-layout): Document.
2296 (-fdump-translation-unit): Use `=' as filename separator.
2298 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2300 * Makefile.in (s-mlib): Don't build multilibs if
2302 (DRIVER_DEFINES): Adjust accordingly.
2304 (protoize.o): Likewise.
2305 (unprotoize.o): Likewise.
2306 * configure.in: Recognize --enable-multilib.
2308 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2310 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2312 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2313 * configure.in: Remove --enable-libstdcxx_v3 support.
2314 * configure: Regenerated.
2316 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2318 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2319 Call abort instead of fatal.
2320 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2321 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2322 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2323 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2324 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2325 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2327 * diagnostic.h (set_internal_error_function): Renamed.
2328 * toplev.h (internal_error): Renamed from fatal.
2329 (pfatal_with_name): Deleted.
2330 (fatal_io_error): Now has printf-style arguments.
2331 * diagnostic.c (pfatal_with_name): Deleted.
2332 (fatal_io_error): Rework to have args in printf-style.
2333 (set_internal_error_function): Renamed from set_fatal_function.
2334 (internal_error): Renamed from fatal.
2335 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2336 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2337 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2338 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2339 * flow.c (verify_flow_info): Likewise.
2340 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2341 * config/mips/mips.c (save_restore_insns): Likewise.
2343 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2344 * flow.c (verify_flow_info): Likewise.
2345 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2346 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2347 (avr_normalize_condition): Likewise.
2348 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2349 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2350 (limit_reload_class, double_reg_to_memory): Likewise.
2351 (print_operand_address, emit_1600_code_shift): Likewise.
2352 (gen_tst_reg, gen_compare_reg): Likewise.
2353 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2354 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2356 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2358 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2359 * objc/objc-act.c (build_ivar_chain): Likewise.
2360 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2362 * graph.c (clean_graph_dump_file): Likewise.
2363 * profile.c (init_branch_prob): Likewise.
2364 * objc/objc-act.c (objc_init): Likewise.
2366 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2367 * config/avr/avr.c (avr_override_options): Likewise.
2368 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2369 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2370 * config/h8300/h8300.c (h8300_init_once): Likewise.
2371 * config/mips/mips.c (override_options): Likewise.
2372 * config/i386/i386.c (override_options): Likewise, rework.
2373 * config/m68k/m68k.c (override_options): Likewise.
2375 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2377 * config/mips/mips.c (print_operand): Likewise.
2378 * hash.c (hash_allocate): Don't check for failure returns from
2379 obstack functions that can't fail.
2380 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2381 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2382 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2383 (get_object_reference): Likewise.
2385 2001-02-04 Nick Clifton <nickc@redhat.com>
2387 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2388 StrongARM1110, 10TDMI, and 1020T.
2390 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2392 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2394 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2396 * config/sh/sh.md (movdf load split): Pass register number to
2397 FP_OR_XD_REGISTER_P.
2399 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2401 * cppinit.c (BC): New macro.
2402 (builtin_array): Add __GXX_WEAK__.
2403 * cpplib.h (builtin_type): Add BT_WEAK.
2404 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2405 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2406 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2408 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2410 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2412 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2414 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2415 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2417 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2419 * cpphash.h: Rename ALIGN _ALIGN.
2420 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2422 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2424 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2425 compilation environment.
2426 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2427 control over location of cygwin includes and libs.
2429 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2431 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2433 2001-02-02 lars brinkhoff <lars@nocrew.org>
2435 * md.texi (Standard Names): remove reference to spur.md.
2437 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2439 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2440 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2441 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2442 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2443 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2445 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2447 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2448 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2449 number before reload.
2450 (c4x_adjust_cost): Return zero before reload.
2451 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2452 split before reload.
2454 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2456 * c4x.c (c4x_hard_regno_rename_ok): New.
2457 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2458 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2460 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2462 * diagnostic.h: Add missing "extern" in all declarations.
2464 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2466 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2467 as for gcc_gxx_include_dir.
2469 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2471 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2473 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2475 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2476 label before alignment to be used as the braf base address.
2477 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2479 (casesi_jump_2): Require at least TARGET_SH2.
2481 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2482 truncation to 32-bit doubles on -m3e and -m4-single-only.
2484 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2486 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2487 the default when building a shared object.
2488 (init_spec): Use it.
2489 * testsuite/lib/g++.exp: Include the directory where libgcc
2490 is located to the LD_LIBRARY_PATH list.
2491 * invoke.texi (-shared-libgcc): Document the cases in which
2492 GCC defaults to using the shared libgcc.
2494 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2496 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2497 unsigned is wide enough.
2499 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2500 (si_to_float): Likewise.
2501 (float_to_si, float_to_usi): Use BITS_PER_SI.
2503 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2505 * dwarf2out.c: Added explanation of abbreviations.
2506 (def_cfa_1): Added comments listing DWARF2 instructions.
2507 (cfa_temp_reg): Removed in favor of cfa_temp.
2508 (cfa_temp_value): Removed in favor of cfa_temp.
2509 (cfa_temp): New global variable.
2510 (dwarf2out_frame_debug_expr): Added extensive introductory
2511 comments explaining the function's transformations. Revised to
2512 use cfa_temp. Added some rtx checking. Generalize IOR case.
2513 (dwarf2out_frame_debug): Revised to use cfa_temp.
2514 (output_aranges): Cast as "unsigned" to avoid warning.
2515 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2516 explain which instructions must be marked.
2518 2001-02-01 Richard Henderson <rth@redhat.com>
2520 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2523 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2525 * config/sh/crt1.asm (main_k): Modified so that start calls
2526 ___setup_argv_and_call_main.
2528 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2530 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2531 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2532 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2533 * cppmacro.c (builtin_macro): Set builtin flags here.
2534 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2535 (replace_args): Clarify intent.
2536 (cpp_get_token): Macro expansion tokens get the saved flags.
2538 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2541 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2543 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2546 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2548 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2549 returns Pmode pseudo, but we need ptr_mode.
2550 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2551 Remove bogus conversions; use HOST_WIDE_INT for size.
2552 Don't use TARGET if wrong mode.
2554 * config/i386/i386.c (ix86_compute_frame_size): Allow
2555 stack_alignment_needed to be non-default even if size is zero.
2557 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2559 * (hppa_init_pic_save): Emit the pic offset table
2560 reg save after last_parm_insn.
2561 * pa.c (hppa_init_pic_save): New function.
2562 * pa.h (hppa_init_pic_save): Declare.
2563 * pa.md (call, call_value, sibcall, sibcall_value): Use
2564 the above instead of duplicated code.
2566 * pa.c (hppa_encode_label): Correct size of alloca buffer
2567 so we don't overrun it. Correct leading `*' case.
2568 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2569 need to handle `*@'.
2570 (FUNCTION_NAME_P): Likewise.
2572 2001-01-31 Richard Henderson <rth@redhat.com>
2574 * config.gcc (alpha-osf5): Use float-i128.h.
2576 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2577 * config/float-i32.h: Likewise.
2578 * config/float-i64.h: Likewise.
2579 * config/float-sh.h: Likewise.
2580 * config/float-sparc.h: Likewise.
2582 2001-01-31 DJ Delorie <dj@redhat.com>
2584 * expmed.c (extract_bit_field): allow non-integral modes if we
2585 want to extract a whole register from itself.
2587 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2589 * c-typeck.c (set_init_index): If first is equal to last, assume as
2590 if it was not a range at all.
2592 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2594 * config/fp-bit.c: Include tm.h.
2595 (float_to_si): Don't assume SImode is 32-bits wide.
2596 (float_to_usi): Likewise.
2598 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2600 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2602 (typename): Call pending_xref_error after parsing typed_typespecs.
2603 * c-decl.c (lookup_tag): Give error immediately rather than
2604 leaving it pending if the tag of the wrong type is in the same
2606 (xref_tag): Don't pedwarn for forward declarations of enum types
2608 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2611 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2613 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2615 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2617 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2618 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2620 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2622 * cpphash.h (struct cpp_reader): New saved_flags.
2623 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2624 to avoid a paste after a pasted token.
2626 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2628 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2629 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2630 Wtype_MIN instead of LONG_MIN.
2632 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2634 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2636 * fixinc/fixincl.x: Regenerated.
2637 * fixinc/inclhack.def (irix_limits_const): New definition to
2638 convert "const" to "__const" in limits.h.
2640 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2642 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2644 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2646 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2647 when register dies in the insn.
2649 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2651 * diagnostic.c (fatal): Fix word wrap.
2653 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2655 * combine.c (try_combine): Fix SUBREG setting for
2656 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2658 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2660 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2663 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2665 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2667 * toplev.c (decode_W_option): Update warn_larger_than
2668 unconditionally for each processed switch.
2670 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2672 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2674 (hppa_expand_prologue): Delete code to save pic offset table register
2675 in the function prologue.
2676 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2677 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2678 table register at the beginning of the function after the prologue.
2680 2001-01-29 lars brinkhoff <lars@nocrew.org>
2682 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2684 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2685 Jeff Law <law@redhat.com>
2687 * pa.md (return): Revise comment for trivial return.
2688 (return_internal): Non-trivial return pattern for non-PIC code.
2689 (return_internal_pic): Non-trivial return pattern for PIC code.
2690 It uses the PIC register to ensure it is restored after
2692 (epilogue): Generate appropriate return for PIC and non-PIC code.
2694 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2696 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2698 2001-01-29 DJ Delorie <dj@redhat.com>
2700 * combine.c (if_then_else_cond): Pass the correct mode to
2701 operand_subword() for constants.
2703 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2705 * config/i386/cygwin.h: Add w32api to include search. Search different
2706 directories in a cross-build environment.
2708 2001-11-29 Tim Josling <tej@melbpc.org.au>
2710 * tree.h (TYPE_STUB_DECL): Add documentation.
2712 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2714 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2715 (sdbout_field_types): Likwise. Fix use of host_integerp.
2717 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2719 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2722 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2724 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2725 to use flag_gnu_linker.
2727 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2729 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2730 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2732 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2734 * tree.c, tree.h (build_parse_node): Remove; was identical to
2736 * c-lang.c (start_cdtor), objc/objc-act.c
2737 (build_module_descriptor): Use build_nt instead of
2740 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2742 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2743 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2744 not have any upper bits set.
2746 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2748 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2750 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2752 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2754 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2756 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2757 (integer_minus_one_node): Define.
2759 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2761 * Makefile.in (bootstrap2-lean): Fix typo.
2763 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2765 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2766 : Don't set fe_value.
2767 * cpplib.h (AVOID_LPASTE): New flag.
2768 (struct cpp_hashnode): Remove fe_value.
2769 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2770 * cppmacro.c (builtin_macro): Don't set flags here.
2771 (replace_args): Set AVOID_LPASTE flag on first token of an
2772 argument, and the token following it.
2773 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2774 macro expansion, and on the token following it. Do it for
2776 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2778 2001-01-27 Richard Henderson <rth@redhat.com>
2780 * config/alpha/t-ieee: Remove multilibbing.
2781 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2783 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2785 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2787 * Makefile.in: Remove all dependencies on defaults.h.
2788 * builtins.c: Don't include defaults.h.
2789 * c-common.c: Likewise.
2790 * c-decl.c: Likewise.
2791 * c-pragma.c: Likewise.
2792 * c-typeck.c: Likewise.
2793 * combine.c: Likewise.
2795 * frame-ia64.c: Likewise.
2796 * cppexp.c: Likewise.
2797 * crtstuff.c: Likewise.
2798 * dbxout.c: Likewise.
2799 * dwarf2out.c: Likewise.
2800 * dwarfout.c: Likewise.
2801 * emit-rtl.c: Likewise.
2802 * except.c: Likewise.
2804 * final.c: Likewise.
2805 * frame-dwarf2.c: Likewise.
2806 * libgcc2.c: Likewise.
2807 * optabs.c: Likewise.
2808 * profile.c: Likewise.
2809 * sdbout.c: Likewise.
2810 * toplev.c: Likewise.
2811 * tradcif.y: Likewise.
2813 * varasm.c: Likewise.
2815 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2817 * builtins.c (expand_builtin_fputs): Use size_one_node when
2818 transforming into fwrite.
2820 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2822 * extend.texi (Attribute Syntax): New section.
2824 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2826 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2827 they didn't need fixing.
2829 2001-01-27 Janis Johnson <janis@us.ibm.com>
2831 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2833 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2834 to remove macro definitions that are duplicated from elfos.h.
2836 2001-01-27 Richard Henderson <rth@redhat.com>
2838 * config/i386/sco5gas.h: Move ...
2839 * config/usegas.h: ... here.
2840 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2842 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2844 * c-typeck.c (struct constructor_stack): Add range_stack member.
2845 (really_start_incremental_init): Clear it.
2846 (push_init_level): Save constructor_range_stack and clear it if
2847 pushing explicit braces.
2848 (pop_init_level): abort if constructor_range_stack is non-zero at
2849 explicit closing brace. Restore saved constructor_range_stack if
2852 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2854 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2855 into register was forced into memory.
2857 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2859 * Makefile.in: Remove uses of + before $(MAKE).
2861 2001-01-26 Richard Henderson <rth@redhat.com>
2863 * stmt.c (cost_table): Remove.
2864 (COST_TABLE, cost_table_initialized): New.
2865 (estimate_case_costs): Use the later instead of the former.
2866 (balance_case_nodes): Likewise.
2868 2001-01-26 Richard Henderson <rth@redhat.com>
2870 * alias.c (objects_must_conflict_p): Read-only slots may not
2871 conflict despite having the same type.
2873 2001-01-27 Michael Hayes <mhayes@redhat.com>
2875 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2877 (check_ext_dependant_givs): Initialise u_start_val and
2879 (load_mems): Make last_max_reg unsigned.
2880 (try_swap_copy_prop): Use INSN_P and initialise set.
2882 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2884 * README.AVR : Removed.
2886 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2888 * pa-64.h (text_section): Remove declaration.
2890 * pa.md (return_internal): Remove mode on PIC register use.
2892 2001-01-25 lars brinkhoff <lars@nocrew.org>
2894 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2895 ASM_CLOSE_PAREN): fix typos.
2897 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2899 * acconfig.h: Define `const' to the empty string if neither
2900 __STDC__ nor __cplusplus is defined.
2901 * config.in: Regenerated.
2903 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2905 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2906 * collect2.c (main): Delete importf. Add ".obj" file extension.
2907 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2908 (aix_std_libs): Add additional AIX libraries to skip.
2909 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2910 * config/rs6000/aix51.h: New file.
2912 2001-01-25 Michael Hayes <mhayes@redhat.com>
2914 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2915 (loop_insn_emit_before): No longer static.
2916 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2917 (loop_givs_rescan, load_mems): Likewise.
2918 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2919 (maybe_eliminate_biv_1):
2920 (move_movables): Replace emit_call_insn_before with
2921 loop_call_insn_hoist.
2922 * loop.h (loop_insn_emit_before): Add.
2923 * unroll.c (copy_loop_body): Replace emit_insn_before with
2924 loop_insn_emit_before.
2926 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2928 * diagnostic.c (fatal): Request preprocessed source.
2930 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2932 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2933 olddecl has argument types and newdecl has none, use the argument
2936 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2938 * dwarf2out.c (prefix_of): New function. Determine longest common
2939 prefix of the two arguments. The units are whole path components.
2940 (output_file_names): When adding a new directory find the one entry
2941 with the longest common prefix already in the list. Artificially
2942 generate entry if there is none for this prefix.
2943 Fix test to check whether the zeroth directory entry is used.
2945 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2947 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2948 Changed all callers. Take it into account when deciding if a
2949 previously loaded value matches.
2951 2001-01-24 Richard Henderson <rth@redhat.com>
2953 * reload.c (find_reloads_subreg_address): Fail the substitution
2954 if the resulting address is insufficiently aligned.
2956 2001-01-24 DJ Delorie <dj@redhat.com>
2958 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2959 check the original operand's mode also.
2960 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2962 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2964 * c-parse.in (cast_expr): Move compound literals from here ...
2965 (primary): ... to here. Use standard terminology "compound
2966 literal" instead of "constructor expression".
2968 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2970 * gcc.1, cpp.1: Regenerate.
2972 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2974 * calls.c (emit_library_call_value_1): Memory slot for
2975 pass-by-reference argument should have the mode of the argument,
2976 not of the pointer to it.
2978 2001-01-24 Tom Tromey <tromey@redhat.com>
2980 * gcc.texi (G++ and GCC): Mention gcj manual.
2981 (Standards): Link to section of manual mentioning gcj/Java
2984 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2986 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2987 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2988 * tradcpp.c (main): Add -imacros or -include'd dependencies
2990 * cpp.texi (-M, -MM): Document -M -include behaviour.
2992 2001-01-24 Roger Collins <roger@ProProject.com>
2994 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2996 2001-01-24 Will Cohen <wcohen@redhat.com>
2998 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2999 whether registers are 32 bits or 64 bits in size.
3001 2001-01-24 Ben Elliston <bje@redhat.com>
3003 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
3005 2001-01-24 Richard Henderson <rth@redhat.com>
3007 * config/alpha/alpha.md (builtin_longjmp_internal): New.
3008 (builtin_longjmp): Use it instead of emit_indirect_jump.
3010 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
3012 * bb-reorder.c (make_reorder_chain_1): Handle case where
3013 jump edge goes to the same block as the fallthru edge.
3015 2001-01-23 Jim Wilson <wilson@redhat.com>
3017 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3018 * frame.h (__ia64_personality_v1): Add prototype.
3019 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3020 prototype form. Add void * cast to first argument to personality
3022 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3023 (asctoe113): Likewise.
3024 * config/ia64/frame-ia64.c: Include eh-common.h.
3025 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3027 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3029 (itanium_split_issue): Add prototype.
3030 (gen_nop_type): Ifdef out.
3031 (find_best_packet): Initialize best_packet.
3032 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3034 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3035 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3036 (flushrs): Add explicit stop bit at end.
3037 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3040 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3042 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3044 * libgcc2.c (__terminate_func): Make variable static.
3045 (__terminate_set_func): New function to set __terminate_func.
3046 * libgcc2.h (__terminate_func_ptr): New typedef.
3047 (__terminate_set_func): New function.
3049 2001-01-23 Richard Henderson <rth@redhat.com>
3051 * flow.c (init_propagate_block_info): Don't consider unchanging
3052 memories for dead frame store elimination.
3054 2001-01-23 Richard Henderson <rth@redhat.com>
3056 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3057 * defaults.h: ... here.
3059 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3061 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3063 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3065 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3067 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3069 * rs6000.h (rs6000_return_addr): Move prototype from here...
3070 * rs6000-protos.h (rs6000_return_addr): ...to here.
3071 (rs6000_init_expanders): Delete prototype.
3073 2001-01-23 Nick Clifton <nickc@redhat.com>
3075 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3076 (Spec Files): Document %B and %j and %. and %v3 and %M and
3077 %{S*&T} spec switches.
3079 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3081 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3083 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3084 Neil Booth <neil@daikokuya.demon.co.uk>
3086 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3087 Have -Werror make pedantic warnings errors, like the
3090 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3092 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3094 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3096 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3097 * integrate.c (expand_inline_function): Initialize them.
3098 (subst_constants): If changing COMPARE so that both its arguments
3099 will be VOIDmode and the comparison mode will be lost, note
3100 compare_mode. Use the recorded compare_mode to optimize
3103 2001-01-23 Jason Merrill <jason@redhat.com>
3105 * dwarf2out.c (new_die): Use xcalloc.
3106 (output_die): Abort rather than emit a local reference to offset 0.
3108 2001-01-17 Andrew Haley <aph@redhat.com>
3110 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3111 of a saved register; return NULL instead.
3112 (copy_reg): Take a pointer to a source register rather than a
3114 (next_stack_level): Remember the address in the stack frame of all
3116 Use the saved register pointer array as the source of the CFA.
3117 (throw_helper): Rewrite. Unwind once rather than twice and keep
3118 track of saved registers as we go.
3120 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3122 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3123 * c4x.c (c4x_legitimize_reload_address): Remove.
3124 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3125 reload address for ldp(k) insn.
3127 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3129 * pa.md (return_internal): Add a USE of the PIC register to ensure
3130 it is restored after each call.
3131 (return expander): Corresponding changes.
3133 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3135 * rs6000.h (INIT_EXPANDERS): Delete.
3136 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3137 * rs6000.c (rs6000_override_options): Call *_machine_status from
3139 (rs6000_init_expanders): ...instead of here. Delete.
3140 (rs6000_mark_machine_status): New function.
3141 (rs6000_init_machine_status): Use xcalloc.
3142 (rs6000_return_addr): Generate RTX for the return address.
3143 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3144 (rs6000_stack_info): Use it.
3146 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3148 * gthr-win32.h: Include errno.h to get a declaration for
3149 EINVAL and _mingw.h if the target is mingw32.
3151 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3153 * cpp.texi: Correct typos.
3155 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3157 * explow.c (probe_stack_range): Ensure value passed to
3158 stack_check_libfunc is ptr_mode, not Pmode.
3160 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3162 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3163 case, don't use operand_subword to calculate a SUBREG that is
3166 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3168 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3170 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3171 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3172 valid. If not replace it by equivalent insns.
3174 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3176 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3177 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3178 (c4x_U_constraint, symbolic_address_operand): Likewise.
3179 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3181 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3182 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3183 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3184 anulling slot because of silicon bug.
3185 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3187 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3189 * cppexp.c (parse_charconst): Change `mask' type to agree
3192 2001-01-21 Richard Henderson <rth@redhat.com>
3194 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3195 pic_label_name in a linkonce section.
3197 2001-01-17 Philipp Thomas <pthomas@suse.de>
3199 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3201 * configure: Regenerate.
3203 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3205 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3206 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3208 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3210 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3211 If REVERSE nonzero then condition code in X must be reversed.
3212 (encode_section_info): Optimise if/else.
3213 (avr_function_value): Fix formatting.
3215 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3216 (difficult_branch): Likewise.
3217 (rvbranch): Likewise.
3218 (difficult_rvbranch): Likewise.
3220 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3222 * config/avr/libgcc.S: Fix comment.
3224 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3226 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3228 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3230 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3232 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3234 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3235 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3236 * configure, config.in: Regenerate.
3237 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3238 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3239 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3240 (doprint.o): New rule.
3242 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3244 * c-typeck.c (digest_init): Handle boolean types as scalars.
3246 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3248 * stmt.c (expand_return): Don't return anything if size is zero.
3249 Delete redundant assignment to BYTES.
3250 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3252 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3254 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3255 the same as the default library function names.
3256 * config/avr/avr.md: Document special characters after '%'.
3257 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3258 knowing which of the call-used registers are really clobbered.
3259 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3260 New. Both quotient and remainder from one libgcc.S call.
3261 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3262 clobber as few registers as possible.
3263 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3265 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3267 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3268 context of the top of the stack.
3270 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3272 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3273 (fixup_var_refs_insns): ...here.
3275 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3277 * function.c (fixup_var_refs_insns): Break up into
3278 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3279 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3280 [loop over hash table entries].
3281 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3282 fixup_var_refs_insns_with_hash, to match above changes.
3284 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3286 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3287 (libgcc.a): Likewise.
3288 (stmp-multilib): Likewise.
3289 (STAGE2_FLAGS_TO_PASS): Likewise.
3291 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3293 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3294 temporary if no_new_pseudos.
3296 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3298 * cppinternals.texi: Update.
3300 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3302 * arm.c (arm_init_builtins): Re-enable builtins.
3304 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3306 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3307 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3308 element to be null, and always expect an EXPR_LIST.
3309 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3310 * sched-deps.c (sched_analyze_1): Likewise.
3311 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3313 * regclass.c (max_set_parallel): New variable.
3314 (reg_scan): Take it into account in computation of max_parallel.
3315 (reg_scan_mark_refs, case SET): Compute it.
3317 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3319 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3320 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3322 2001-01-19 Jason Merrill <jason@redhat.com>
3324 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3325 for the abstract instance of an inline function.
3327 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3328 J"orn Rennecke <amylaar@redhat.com>
3330 * reload1.c (move2add_note_store): Treat all registers directly or
3331 indirectly derived from a base register as members of the same set
3333 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3334 of base register into account.
3336 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3338 * alias.c (find_base_value): Recognize TRUNCATE.
3339 (record_set): In PLUS case, invalidate if other summand is also a
3342 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3344 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3345 entry to be EXPR_LIST.
3346 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3347 be an EXPR_LIST (but not null, which other code doesn't allow).
3348 (note_stores): Properly handle PARALLEL in SET.
3349 Recursively call for top-level PARALLEL.
3350 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3351 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3353 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3355 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3357 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3358 not pfile->skipping (== 0).
3360 2001-01-17 Nick Clifton <nickc@redhat.com>
3362 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3365 2001-01-17 Jim Wilson <wilson@redhat.com>
3367 * invoke.texi (IA-64 options): Improve.
3369 2001-01-17 Tom Tromey <tromey@redhat.com>
3371 * invoke.texi (Optimize Options): Use `{}' to around @samp
3374 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3376 * invoke.texi (-fno-guess-branch-probability): New option.
3378 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3380 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3381 case of making new double-word constant.
3382 Revert last change: instead just test i3_subst_into_i2.
3384 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3386 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3387 Use q constraints instead of r.
3389 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3391 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3392 (machine_function): Define.
3393 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3394 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3395 pa_free_machine_status): New functions.
3396 (override_options): Set {init,mark,free}_machine_status to above.
3397 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3398 PIC_OFFSET_TABLE_REGNUM_SAVED.
3399 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3400 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3401 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3402 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3403 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3405 2001-01-15 DJ Delorie <dj@redhat.com>
3407 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3411 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3413 * flow.c (propagate_on_insn): Make trying to delete a prologue
3414 or epilogue insn an ICE, not a warning. Allow doing this if
3415 the current function returns with stack pointer depressed.
3417 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3418 I3 having more than one SET.
3420 2001-01-16 Jim Wilson <wilson@redhat.com>
3422 * invoke.texi: Document IA-64 options.
3424 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3425 (fixup_errata): Delete TARGET_A_STEP use.
3426 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3427 (TARGET_SWITCHES): Delete -ma-step option.
3428 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3429 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3430 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3431 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3432 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3433 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3435 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3436 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3437 cmovsi_internal): Delete ! TARGET_A_STEP check.
3439 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3441 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3442 possibility to report bugs via postal mail. Change a URL and
3443 merge in a nearly duplicate statement...
3444 (Bug Reporting): ...from here.
3445 (Service): Refer to the Bug Reporting section instead of
3447 (Contributing): Remove trivial explanations concerning snapshots.
3449 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3451 * cppmain.c (general_init): Don't use ANSI prototype.
3453 2001-01-16 Tom Tromey <tromey@redhat.com>
3455 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3457 2001-01-16 Richard Henderson <rth@redhat.com>
3459 * config/i386/i386.h: Fix comment typo.
3460 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3461 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3463 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3465 * gcc.c: Revert previous -fsyntax-only-related change; move
3468 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3470 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3471 inmode after checking GET_CODE (op).
3473 2001-01-16 Richard Henderson <rth@redhat.com>
3475 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3476 (MAX_MEM_SET_LIST_LEN): New.
3477 (propagate_one_insn): Update mem_set_list_len.
3478 (invalidate_mems_from_autoinc): Likewise.
3479 (invalidate_mems_from_set): Likewise.
3480 (mark_used_regs): Likewise.
3481 (init_propagate_block_info): Likewise. Stop collecting memories
3482 when we reach MAX_MEM_SET_LIST_LEN.
3483 (mark_set_1): Likewise.
3485 2001-01-16 Richard Henderson <rth@redhat.com>
3487 * unroll.c (precondition_loop_p): Fail if no iteration
3490 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3492 * gcc.c: When -fsyntax-only is given, do not complain about
3495 2001-01-15 Richard Henderson <rth@redhat.com>
3497 * config/i386/i386.c (asm_output_function_prefix): Remove.
3498 (ix86_asm_file_end): New.
3499 (load_pic_register): Generate pic_label_name into a
3500 staticly allocated buffer.
3501 * config/i386/i386-protos.h: Update.
3502 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3503 (ASM_FILE_END): New.
3504 * config/i386/i386afe.h: New file.
3505 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3506 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3507 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3508 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3509 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3510 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3511 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3513 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3515 * Makefile.in (install-man): Remove explicit dependency on
3518 * configure.in, configure: Revert previous patch requiring perl
3521 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3523 * toplev.c (flag_guess_branch_prob): New.
3524 (f_options): Add guess-branch-probability option.
3525 (rest_of_decl_compilation): Only estimate branch probability if
3527 (main): set flag_guess_branch_prob.
3529 * flags.h (flag_guess_branch_prob): New.
3531 2001-01-15 DJ Delorie <dj@redhat.com>
3533 * gcc.texi (Makefile): Add documentation for Makefile targets.
3535 2001-01-15 Philip Blundell <philb@gnu.org>
3537 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3539 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3540 (is_pic): Delete declaration.
3541 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3542 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3543 * config/arm/arm.md (builtin_setjmp_receiver): New.
3545 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3547 * arm.c (use_return_insn): Don't try to determine the function type
3548 until after reload has completed.
3549 (arm_output_epilogue): Don't adjust the sp value recovered from the
3551 (emit_multi_reg_push): Don't record dwarf information for the pc.
3552 * arm.md (eh_epilogue): The function type may have changed, so it
3553 needs to be recalculated.
3554 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3555 unwind tables on arm/netbsd.
3557 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3559 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3560 (negated_cbranchsi4): Likewise.
3562 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3564 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3565 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3566 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3567 pass -mapcs-* options to assembler.
3568 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3569 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3570 (ASM_SPEC): Call subtarget_extra_asm_spec.
3572 2001-01-15 Andreas Jaeger <aj@suse.de>
3574 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3576 (ix86_expand_builtin): Likewise.
3578 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3579 warning about comparison between signed and unsigned.
3581 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3583 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3585 2001-01-14 Ralf Baechle <ralf@gnu.org>
3587 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3588 SUBTARGET_CPP_SPEC apropriatly.
3590 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3592 * varasm.c (make_decl_rtl): Fix typo in last change.
3594 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3596 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3597 linker supports the init_priority C++ attribute.
3598 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3599 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3600 linker does not support init_priority C++ attribute.
3602 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3604 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3606 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3608 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3609 * cp/lex.c (finish_parse): Similarly.
3610 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3611 Return the number of errors encountered.
3612 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3613 * cppmain.c (main): Don't call cpp_destroy.
3615 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3617 * configure.in: Require at least perl 5.6.0 to regenerate
3619 * configure: Regenerate.
3621 2001-01-14 Richard Henderson <rth@redhat.com>
3623 * genrecog.c (DT_veclen_ge): New.
3624 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3625 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3626 (nodes_identical_1): Handle DT_veclen_ge.
3627 (write_cond, debug_decision_2): Likewise.
3629 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3631 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3633 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3635 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3637 * cppmain.c (do_preprocessing): New function; most of the old
3639 (main): Call it to do most of the work.
3640 (cb): Move from global scope to set_callbacks ().
3641 (setup_callbacks): Get the callback pointer.
3642 (general_init, printer_init): Clean up code and comments.
3644 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3646 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3649 2001-01-14 Kazu Hirata <kazu@hxi.com>
3651 * config/h8300/h8300.c (get_shift_alg): Update comments.
3653 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3655 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3656 (alloc_page, ggc_alloc): Add casts to remove warnings.
3658 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3660 * combine.c (simplify_comparison): Don't change `code' when
3661 can't reverse comparison.
3663 2001-01-14 Richard Henderson <rth@redhat.com>
3665 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3666 update all call sites. Return true for all non-label constants.
3668 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3670 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3672 (ix86_expand_branch): Update.
3673 (ix86_expand_setcc): Update to handle multiple test conditions.
3674 (expand_int_movcc): Likewise.
3675 (expand_fp_movcc): Likewise.
3676 * i386-protos.h (ix86_expand_compare): New.
3677 * i386.md (andqi_?_slp, orqi_?_slp): New.
3678 (conditional trap expander): Update call to ix86_expand_compare.
3680 2001-01-14 Richard Henderson <rth@redhat.com>
3682 * config/vax/vax.md: Use nonimmediate_operand instead of
3683 general_operand in destinations.
3685 * config/vax/vax.md (indirect_jump): Use register_operand.
3687 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3688 * config/vax/vax.md (call_pop): Turn into an expander.
3689 (call_value_pop): Likewise.
3690 (call, call_value): New.
3692 2001-01-14 Andreas Jaeger <aj@suse.de>
3694 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3696 (ix86_fp_compare_mode): Add unused attribute.
3697 (ix86_expand_fp_movcc): Remove unused variable.
3698 (ix86_expand_builtin): Make fcode unsigned.
3700 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3701 (expand_expr): Add cast to avoid signed warning.
3702 (store_field): Likewise.
3703 (store_constructor_field): Likewise.
3704 (store_constructor): Likewise.
3705 (store_expr): Likewise.
3706 (clear_storage): Likewise.
3707 (emit_group_store): Likewise.
3708 (emit_group_load): Likewise.
3710 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3712 * c-common.c: Move format checking code to ...
3713 * c-format.c: ... here. New file. Reorder some functions and
3715 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3717 * c-common.h (decl_handle_format_attribute,
3718 decl_handle_format_arg_attribute): Declare.
3719 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3720 (c-common.o): Adjust dependencies.
3721 (c-format.o): New list of dependencies.
3723 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3725 * unroll.c (loop_iterations): If we cannot prove iteration variable
3726 is set once in each iteration, punt.
3728 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3730 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3731 (*strlenhi): Remove clobber (which was buggy) of output address.
3733 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3735 * Makefile.in (generated-manpages): Add gcc.1
3736 ($(srcdir)/gcc.1): New target.
3737 (maintainer-clean): Delete $(srcdir)/gcc.1.
3738 * gcc.texi: Add macros @gccoptlist and @gol.
3739 * invoke.texi: Include option summary in manpage. Mark up option
3740 summary with @gccoptlist and @gol. Use @r in one place where
3742 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3743 * gcc.1: Generate from invoke.texi.
3745 2001-01-13 Richard Henderson <rth@redhat.com>
3747 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3748 (struct page_entry): Add group member.
3749 (struct page_group): New.
3750 (struct globals): Add page_groups member.
3751 (alloc_anon): Only define for using mmap; remove valloc call.
3752 (page_group_index): New.
3753 (set_page_group_in_use): New.
3754 (clear_page_group_in_use): New.
3755 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3756 (free_page, release_pages): Likewise.
3757 * configure.in (with-gc): Default to ggc-page always.
3759 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3761 * reload1.c (replace_pseudos_in_call_usage): Use
3762 reg_equiv_constant and reg_equiv_address, and don't try
3763 regno_reg_rtx first.
3765 2001-01-13 Richard Henderson <rth@redhat.com>
3767 * ggc-page.c (alloc_page): Round up allocation size to one page.
3768 Set e->order on extra pages.
3770 2001-01-13 Richard Henderson <rth@redhat.com>
3772 * genrecog.c (nodes_identical): Expand commentary.
3773 (write_switch): Watch out for identical nodes.
3775 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3777 * cppfiles.c (_cpp_fake_include): New function.
3778 * cpphash.h (_cpp_fake_include): New.
3779 * cpplib.c (do_line): Call _cpp_fake_include when entering
3780 header files in preprocessed input.
3781 * cppmain.c (cb_pragma_implementation): Remove handling.
3782 (setup_callbacks): Don't register pragmas.
3784 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3786 * extend.texi: Udate for CPP.
3788 2001-01-13 Andreas Jaeger <aj@suse.de>
3790 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3792 * regmove.c: Add prototype for replace_in_call_usage.
3794 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3796 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3797 struct cpp_chunk, struct htab, struct toklist,
3798 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3799 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3800 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3801 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3802 (struct macro_args): Delete.
3803 * cpphash.h: See above.
3805 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3807 * cppmain.c (struct printer): Remove no_line_dirs.
3809 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3810 : Use options rather than CPP_OPTION.
3811 (setup_callbacks): Use cb rather than pfile->cb.
3812 (main): No need to check for a buffer. Use cpp_errors.
3813 (printer_init): Don't set no_line_dirs.
3814 (maybe_print_line): Use options not no_line_dirs.
3815 (cb_file_change): Don't call print_line if -P.
3817 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3819 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3821 * c-parse.in (finish_parse): Use cpp_errors.
3822 (__yylex): Use return value of cpp_pop_buffer.
3823 * cp/lex.c (finish_parse): Use cpp_errors.
3824 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3826 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3828 * README.AVR: URLs corrected.
3830 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3832 * c-decl.c (start_function): Don't warn if old prototype is builtin
3833 that's not in C's namespace.
3834 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3835 (_bb): Add prototype for ctime.
3836 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3838 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3840 * i386.c (ix86_fp_comparison_arithmetics_cost,
3841 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3842 ix86_fp_comparison_cost): New functions.
3843 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3844 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3845 two-branch sequences; make static.
3846 (ix86_use_fcomi_compare): Do decision according to the costs.
3847 (split_fp_branch): New.
3848 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3849 * i386-protos.h (ix86_expand_fp_compare): Remove
3850 (ix86_split_fp_branch): Declare.
3852 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3853 and ix86_comparison_operator.
3855 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3858 * i386.c (put_condition_code): Output properly the unordered/ordered
3859 compares in fp case.
3860 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3862 * tm.texi (REVERSE_CONDITION): Document.
3863 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3864 in -ffast-math mode.
3865 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3867 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3869 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3871 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3874 * config/sh/sh.c (mova_p): Fix test for mova_const.
3876 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3878 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3879 cpp_get_options rather than dereferencing pfile and using
3881 * scan-decls.c (scan_decls): Use return value of
3882 cpp_pop_buffer rather than CPP_BUFFER.
3884 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3886 * cppinit.c (cpp_handle_option): help_only is now part of the
3887 cpp_options structure.
3888 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3889 cpp_set_callbacks): New functions.
3890 * cpplib.h (cpp_callbacks): Break out as a named structure.
3891 (cpp_options): Move help_only here from cpp_reader.
3892 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3893 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3894 cpp_set_callbacks): New prototypes.
3895 * cppmain.c (main): Update for help_only.
3897 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3899 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3900 Also build and remove and install and uninstall c-tree.info and
3902 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3903 ($(srcdir)/cppinternals.info): New target.
3904 * c-tree.texi: Change file name used when makeinfo used without -o
3905 from ir.info to c-tree.info. Add info directory entry.
3906 * cppinternals.texi: Add info directory entry.
3907 * .cvsignore: Update.
3909 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3911 * c-typeck.c (store_init_value): Don't require constant initializer
3912 elements with -pedantic -std=c99.
3913 (digest_init): Change error about non-constant initializer elements
3915 (constructor_range_end): Remove.
3916 (constructor_incremental, designator_depth,
3917 designator_errorneous): New variables.
3918 (struct constructor_stack): Remove range_end, add incremental.
3919 (struct constructor_range_stack, constructor_range_stack): New.
3920 (struct initializer_stack): Add constructor_range_stack.
3921 (finish_init): Set it.
3922 (start_init): Likewise. require_constant_elements for non-static
3923 trees only if not flag_isoc99.
3924 (really_start_incremental_init): Remove constructor_range_end, add
3925 constructor_incremental.
3926 (pop_init_level): Likewise.
3927 (push_init_level): Likewise. If implicit and the subobject had some
3928 value set already, preinitialize the level with it.
3929 Warn about missing braces only if not pushing due to designators.
3930 (set_designator, push_range_stack): New functions.
3931 (set_init_label): Use them.
3932 (set_init_index): Likewise. Remove constructor_range_end.
3933 Error if designator index is outside of array bounds.
3934 (add_pending_init): Compare values of purpose index trees, not the
3935 trees themselves. Allow overwriting of already initialized element.
3936 Issue a warning if it had side-effects.
3937 (set_nonincremental_init, set_nonincremental_init_from_string): New
3939 (pending_init_member): Rename to...
3940 (find_init_member): ...this function. Call set_nonincremental_init
3941 if necessary. Compare values of purpose index trees, not the trees
3942 themselves. Return the actual value, not just non-zero if something
3944 (output_init_element): Remove checks for duplicates.
3945 If field has zero size, only check the initializer for correctness.
3946 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3947 if constructor_incremental is zero. Change error about initializers
3948 not computable at load time into pedwarn.
3949 (output_pending_init_elements): Compare bit positions, not
3950 FIELD_DECLs to take into account zero-sized fields.
3951 (process_init_element): Use constructor_range_stack to fill all
3952 ranges in the designator lists from current level up.
3953 * extend.texi: Update documentation for labeled elements.
3955 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3957 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3958 to function usage for arguments passed by reference. Optimize
3959 callee-copied arguments.
3960 * regmove.c (replace_in_call_usage): New function.
3961 (fixup_match_1): Call it.
3962 * cse.c (cse_insn): Canonicalize registers in function usage.
3963 * reload1.c (replace_pseudos_in_call_usage): New function.
3966 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3969 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3971 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3974 2001-01-12 DJ Delorie <dj@redhat.com>
3976 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3977 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3980 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3982 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3983 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3984 -std options alongside references to -ansi. Update some
3985 documentation for C99.
3986 * cpp.1: Regenerate.
3988 2001-01-12 Andreas Jaeger <aj@suse.de>
3990 * haifa-sched.c (restore_line_notes): Remove argument block B
3992 * sched-ebb.c (schedule_ebb): Change caller.
3993 * sched-rgn.c (schedule_region): Likewise.
3994 * sched-int.h (restore_line_notes): Adjust prototype.
3996 * loop.h: Remove wrong declaration of doloop_condition_get.
3998 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4000 * extend.texi: Move C++-extension-related node from the C section
4001 into the C++ section.
4003 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
4005 * extend.texi: Refer to an array of pointers to functions instead
4006 of one of functions.
4008 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
4009 Jan Hubicka <jh@suse.cz>
4011 * combine.c (reversed_comparison): Fix typo in last patch.
4013 (combine_reversed_comparison_code): Make static to follow
4014 prototype declaration.
4016 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4018 * install.texi: Remove misplaced duplicate entry.
4020 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4022 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4024 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4026 * final.c: (leaf_function_p): Fix typo.
4028 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4030 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4031 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4033 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4034 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4035 mmap_anon, and valloc is available.
4036 * ggc-page.c: Restructure ifdef logic to match new autoconf
4037 spec. Don't throw away the test page in init_ggc.
4039 * configure, config.in: Regenerate.
4041 2001-01-12 Michael Hayes <mhayes@redhat.com>
4043 * loop.h (total_biv_increment): Constify iv_class pointer.
4044 (struct induction): Replace `mem_mode' with `mem' rtx.
4045 * unroll.c (total_biv_increment): Constify iv_class pointer.
4046 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4047 (find_mem_givs, combine_givs_p): Likewise.
4048 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4050 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4052 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4054 (__gthread_getspecific): Ditto.
4056 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4058 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4059 put_condition_code): Convert fp comparison codes to integer
4061 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4064 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4065 * i386-protos.h (no_comparison_operator): Kill.
4067 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4069 * combine.c (REVERSIBLE_CC_MODE): Remove.
4070 (reversible_comparison_p): Remove.
4071 (combine_reversed_comparison_code): New.
4072 (reversed_comparison): New.
4073 (combine_simplify_rtx): Use
4074 combine_reversed_comparison_code/reversed_comparison instead
4075 of reversible_comparison_p.
4076 (simplify_if_then_else): Likewise.
4077 (simplify_set): Likewise.
4078 (simplify_logical): Likewise.
4079 (if_then_else_cond): Likewise.
4080 (known_cond): Likewise.
4081 (simplify_comparison): Likewise.
4083 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4085 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4086 sizeof (int) is larger than sizeof(__word__).
4088 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4090 * cppinit.c (do_includes): Fix typo.
4092 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4094 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4095 in S_REGS does not occur because not all sources are possible
4096 when a S_REGS is a destination (sometimes needs a clobber).
4097 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4098 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4099 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4100 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4101 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4102 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4103 (lshrdi_const1, lshrsi3_const16): Likewise.
4104 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4105 (*movhi_68hc12, *movqi_68hc12): Likewise.
4106 (movstrictqi): Make sure reloading in D_REGS as a destination
4109 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4111 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4113 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4115 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4116 -D, -U and -A, and don't initialize the builtins.
4117 (do_includes): Error if -include or -imacros with -fpreprocessed.
4118 * cppmain.c (cb_define, cb_undef): Unconditionally process
4120 * tradcpp.c (main): Fix typo.
4122 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4124 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4125 (read_name_map): Use IS_ABSOLUTE_PATH.
4126 * tradcpp.c (get_filename): Likewise.
4128 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4130 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4131 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4132 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4133 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4134 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4135 (cmphi_z_used): Don't use '@' for the output.
4136 (tstqi_z_used): Likewise.
4137 (cmpqi_z_used): Likewise.
4138 (one_cmplsi2): Likewise.
4140 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4142 * config/sh/sh.c (barrier_align): Recognize branch around far
4143 branch and redundant insn.
4145 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4147 * invoke.texi: Restore documentation of the drivers' switches -MD
4150 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4152 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4154 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4155 check-objc//%): Support parallel testing of multilibs.
4156 (TESTSUITEDIR): Set to testsuite by default, but override for
4158 (check-gcc, check-g++, check-g77, check-objc): Enter
4161 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4163 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4164 * sched-deps.c (deps_may_trap_p): Likewise.
4165 * basic-block.h: Remove a comment.
4166 * flow.c (PROP_POSTRELOAD): Remove.
4167 (update_life_info): Don't add it to prop_flags.
4168 (mark_set_1): Lose the code that was enabled by it.
4170 2001-01-11 Michael Hayes <mhayes@redhat.com>
4172 * flow.c (flow_call_edges_add): New.
4173 * basic_block.h (flow_call_edges_add): New.
4175 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4177 * reload1.c (move2add_note_store): Update reg_set_luid even if
4178 base reg remains the same.
4180 2001-01-10 Nick Clifton <nickc@redhat.com>
4182 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4183 machine_function structure to zero.
4184 Add prototypes for machine_status functions.
4186 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4188 * c-common.h (CTI_VOID_LIST): Remove.
4189 (void_list_node): Likewise.
4190 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4191 (void_list_node): New macro.
4192 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4193 * config/i386/i386.c (ix86_init_builtins): Likewise.
4194 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4196 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4198 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4199 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4201 * tradcpp.c: Include mkdeps.h.
4202 (deps, print_deps_phony_targets, deps_append, output_deps,
4203 init_dependency_output, output_deps): New.
4204 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4205 deps_output): Delete.
4206 (print_deps_missing_files): Rename deps_missing_files.
4207 (inhibit_output): Make global.
4208 (main): Delete inhibit_output, deps_stream, deps_target.
4209 Use mkdeps functionality in the same way as cpplib. Remove
4210 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4211 -M and -MM. Remove old handling of deps via deps_out, and
4212 old reading of environment variables.
4213 (get_filename): Update to use deps_add_dep.
4215 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4217 * output.h (make_function_rtl): Remove prototype.
4218 (make_decl_rtl): Likewise.
4219 * varasm.c (make_function_rtl): Remove.
4220 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4221 than from a third parameter.
4222 * tree.h (make_decl_rtl): Remove last parameter.
4223 * c-decl.c (builtin_function): Remove last argument in call to
4224 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4225 (start_function): Likewise.
4226 * except.c (call_get_eh_context): Likewise.
4227 * expr.c (emit_block_move): Likewise.
4228 (clear_storage): Likewise.
4229 * profile.c (output_func_start_profiler): Likewise.
4230 * toplev.c (rest_of_decl_compilation): Likewise.
4231 * objc/objc-act.c (create_builtin_decl): Likewise.
4232 (synth_module_prologue): Likewise.
4233 (generate_static_reference): Likewise.
4234 (build_selector_reference_decl): Likewise.
4235 (build_class_reference_decl): Likewise.
4236 (build_objc_string_decl): Likewise.
4237 (build_protocol_reference): Likewise.
4239 2001-01-10 Richard Henderson <rth@redhat.com>
4241 * hwint.h: Revert yesterday's change.
4243 2001-01-10 Nick Clifton <nickc@redhat.com>
4245 * function.h (save_machine_status): Delete.
4246 (restore_machine_status): Delete.
4247 Amend comment describing {init|mark|free}_machine_status.
4249 * function.c (save_machine_status): Delete.
4250 (restore_machine_status): Delete.
4251 Amend comment describing {init|mark|free}_machine_status.
4252 (push_function_context_to): Remove invocation of
4253 save_machine_status.
4254 (pop_function_context_from): Remove invocation of
4255 restore_machine_status.
4257 * emit-rtl.c (init_emit_once): Amend comment describing
4258 {init|mark|free}_machine_status.
4260 * tm.texi (Per-Function Data): New node. Describe the
4261 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4264 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4266 * cppinit.c (OPT_g): Remove.
4267 (cpp_handle_option): Update for removed -g3.
4268 (print_help): Update.
4269 * cpplib.h (struct cpp_options): Remove debug_output.
4270 * cppmain.c (setup_callbacks, cb_define): Update.
4271 * gcc.c (cpp_options): Translate -g3 to -dD.
4273 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4275 * config/i960/i960.md: Change modifier to + on the zero_extract
4276 pattern after the (rotate -2 reg) canonicalization pattern.
4278 2001-01-10 Richard Henderson <rth@redhat.com>
4280 * config/alpha/alpha.c (alpha_free_machine_status): New.
4281 (override_options): Install it.
4282 (alpha_mark_machine_status): Verify machine non-null.
4283 * config/i386/i386.c (ix86_free_machine_status): New.
4284 (override_options): Install it.
4285 (ix86_init_machine_status): Use xcalloc.
4286 (ix86_mark_machine_status): Verify machine non-null.
4287 * config/ia64/ia64.c (ia64_free_machine_status): New.
4288 (ia64_override_options): Install it.
4289 (ia64_mark_machine_status): Verify machine non-null.
4291 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4293 * function.c (instantiate_virtual_regs): Instantiate virtual
4294 registers found in CALL_INSN_FUNCTION_USAGE.
4296 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4298 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4299 equivalent to -ansi in disabling -Di386.
4301 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4303 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4305 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4307 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4309 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4311 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4313 * invoke.texi: Document that -fcond-mismatch isn't supported for
4316 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4318 * gcc.texi: Define macro gcctabopt.
4319 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4320 @command, @env and @option in some places where appropriate. Use
4321 @gcctabopt where appropriate. Put URLs and email addresses inside
4324 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4326 * gcc.c (cpp_options): Set MD file name from output
4327 filename, if specified.
4328 (suffix_subst): New static variable.
4329 (do_spec): Clear it.
4330 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4332 (give_switch): Handle suffix_subst.
4334 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4336 * invoke.texi: Fix another typo.
4338 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4340 * invoke.texi: Fix typo.
4342 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4344 * c-lang.c (lang_hooks): Update.
4345 (lang_decode_option): Remove.
4346 (lang_init_options): Rename c_init_options.
4347 * toplev.c (main): Use lang_hooks for lang_init_options
4348 and lang_decode_option.
4349 * toplev.h (lang_hooks): Add 2 new hooks.
4350 * tree.h: Remove lang_init_options and lang_decode_option.
4351 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4352 * cp/decl2.c: Similarly.
4353 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4354 (lang_hooks): Update.
4355 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4357 (lang_init_options): Rename ffe_init_options.
4358 (lang_hooks): Update.
4359 (lang_decode_option): Remove.
4360 * java/lang.c (lang_init_options): Rename java_init_options.
4361 (lang_decode_option): Rename java_decode_option.
4362 (lang_hooks): Update.
4363 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4364 (lang_decode_option): Rename objc_decode_option.
4365 (lang_hooks): Update.
4367 2001-01-09 Nick Clifton <nickc@redhat.com>
4369 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4370 (d30v_return_addr_rtx): Delete.
4371 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4372 cfun->machine structure.
4373 (struct machine_function): Move to d30v.h
4374 (d30v_save_machine_status): Delete.
4375 (d30v_restore_machine_status): Delete.
4376 (d30v_init_machine_status): New Function.
4377 (d30v_mark_machine_status): New Function.
4378 (d30v_free_machine_status): New Function.
4379 (d30v_init_expanders): Use new functions.
4380 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4381 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4382 d30v_return_addr_rtx.
4384 * config/d30v/d30v.h (struct_machine): Move here.
4385 Add eh_epilogue_sp_ofs field.
4387 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4388 field in cfun->machine structure.
4390 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4392 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4393 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4394 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4396 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4398 * objc/lang-options.h: Remove bogus reference to
4401 2001-01-09 Kazu Hirata <kazu@hxi.com>
4403 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4406 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4408 * reload.c (find_reloads_address): Check for eliminable registers
4409 when substituting a constant expression for a pseudo.
4411 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4413 * c-common.c (enum format_type): Add format_type_error.
4414 (decode_format_type): New function.
4415 (decl_attributes): Use it.
4416 (format_kind_info): Adjust comment.
4418 2001-01-09 David O'Brien <obrien@BSDi.com>
4420 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4421 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4423 * config/i386/gnu.h: Don't include required platform specific .h files,
4424 tm.h will do it instead.
4425 * config/i386/i386elf.h: Likewise.
4426 * config/i386/linux.h: Likewise.
4427 * config/i386/moss.h: Likewise.
4428 * config/mips/gnu.h: Likewise.
4430 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4432 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4433 (rs6000-ibm-aix3.[01]*): Likewise.
4434 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4435 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4436 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4437 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4438 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4439 (powerpc-*-eabiaix*): Likewise.
4440 (powerpc-*-eabisim*): Likewise.
4441 (powerpc-*-elf*): Likewise.
4442 (powerpc-*-eabi*): Likewise.
4443 (powerpc-*-rtems*): Likewise.
4444 (powerpc-*-linux*libc1): Likewise.
4445 (powerpc-*-linux*): Likewise.
4446 (powerpc-wrs-vxworks*): Likewise.
4447 (powerpcle-wrs-vxworks*): Likewise.
4448 (powerpcle-*-sysv*): Likewise.
4449 (powerpcle-*-elf*): Likewise.
4450 (powerpcle-*-eabisim*): Likewise.
4451 (powerpcle-*-eabi*): Likewise.
4452 (powerpcle-*-solaris2*): Likewise.
4453 * config/rs6000/aix31.h: Delete includes.
4454 * config/rs6000/aix3newas.h: Likewise.
4455 * config/rs6000/aix41.h: Likewise.
4456 * config/rs6000/aix43.h: Likewise.
4457 * config/rs6000/beos.h: Likewise.
4458 * config/rs6000/rtems.h: Likewise.
4459 * config/rs6000/sysv4.h: Likewise.
4461 2001-01-09 Kazu Hirata <kazu@hxi.com>
4463 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4464 Change an argument mode of machine_mode to shift_mode of
4465 shift_mode. Remove an extra error check.
4466 (emit_a_shift): Adopt to the new calling prototype of
4468 (function_prologue): Fix code for a monitor
4469 function. Support H8/S.
4470 (function_epilogue): Do not output pop for a monitor function.
4472 2001-01-09 Nick Clifton <nickc@redhat.com>
4474 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4475 (setup_incoming_varargs): Use sysv_varargs_p field of the
4476 cfun->machine structure.
4477 (struct machine_function): Move to rs6000.h
4478 (rs6000_save_machine_status): Delete.
4479 (rs6000_restore_machine_status): Delete.
4480 (rs6000_init_machine_status): New Function.
4481 (rs6000_free_machine_status): New Function.
4482 (rs6000_init_expanders): Use new functions.
4484 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4486 (struct machine_function): Move here.
4488 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4489 sysv_varargs_p field of the cfun->machine structure.
4491 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4493 (rs6000_restore_machine_status): Remove prototype.
4495 2001-01-09 Richard Henderson <rth@redhat.com>
4497 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4498 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4499 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4500 (sched_analyze_2, sched_analyze_insn): Likewise.
4501 (sched_analyze, init_deps): Likewise.
4502 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4503 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4504 (compute_block_backward_dependences): Update propagate_deps call.
4506 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4508 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4510 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4512 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4513 (cpp_handle_option): Handle them.
4514 (cpp_post_options): Ensure one of -M or -MM is specified with
4515 any other -M? option.
4516 (init_dependency_output): Suppress output with -MG.
4518 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4521 * invoke.texi: Update.
4523 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4525 * sh.md (reload_outsf): Generate recognizable patterns for
4528 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4530 * c-lang.c (lang_hooks): Update.
4531 (lang_init): Rename c_init.
4532 (lang_finish): Remove.
4533 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4535 * toplev.h (lang_hooks): Add init () and finish ().
4536 * tree.h (lang_init, lang_finish): Remove.
4537 * cp/tree.h (lang_init, lang_finish): Remove.
4538 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4539 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4541 (lang_init, lang_finish): Remove.
4542 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4543 (lang_hooks): Update.
4544 * java/lang.c (lang_init): Rename java_init.
4545 (lang_finish): Remove.
4546 (lang_hooks): Update.
4547 * objc/objc-act.c (lang_init): Rename objc_init.
4548 (lang_finish): Remove.
4549 (lang_hoooks): Update.
4551 20001-01-09 Graham Stott <grahams@redhat.com>
4553 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4554 after `ptr` is initialised.
4556 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4558 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4559 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4560 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4561 stack adjusts, instead of r3.
4563 2001-01-09 Michael Hayes <mhayes@redhat.com>
4565 * flow.c (flow_loop_scan): Break out of ...
4566 (flow_loops_find) ... here.
4567 * basic-block.h (flow_loop_scan): New.
4568 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4569 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4571 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4573 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4575 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4576 realloc()ing macro_buffer.
4578 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4579 if it's wider than long and the target's long is wider than the
4582 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4584 Remove support for using UWIN as a host machine.
4585 * configure.in: Issue an error message.
4586 * configure: Regenerated.
4587 * config.gcc: Remove xm_* UWIN configury.
4588 * config/i386/xm-uwin.h: Remove.
4590 2001-01-08 Nick Clifton <nickc@redhat.com>
4592 * config/v850/v850.c (ra_rtx): Delete.
4593 (v850_save_machine_status): Delete.
4594 (v850_restore_machine_status): Delete.
4595 (v850_init_machine_status): New function.
4596 (v850_mark_machine_status): New function.
4597 (v850_free_machine_status): New function.
4598 (v850_return_addr): Use ra_rtx field in machine structure.
4599 (v850_init_expanders): Use new functions.
4601 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4602 * config/v850/v850.c: Change arguments to v850_output+* functions
4603 to take a const char *, to avoid compile time warning.
4604 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4605 (USER_LABEL_PREFIX): Redefine.
4607 2000-01-08 Jim Wilson <wilson@redhat.com>
4609 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4610 1 to unsigned HOST_WIDE_INT before left shift.
4612 2001-01-08 Nick Clifton <nickc@redhat.com>
4614 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4615 the machine structure has been allocated.
4616 (arm_free_machine_status): New function: Free the machine
4617 specific function structure.
4619 2001-01-08 Richard Henderson <rth@redhat.com>
4621 * jump.c (simplejump_p): Revert last change.
4623 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4625 * cppinit.c (init): Rename init_library.
4626 (cpp_create_reader): Update.
4627 * gcc.c (cpp_options): If -o given, use it as the target of
4630 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4632 * arm.c (arm_arch5e): New variable.
4633 (all_cores): XScale is a 5TE device.
4634 (arm_override_options): Set arm_arch5e.
4635 (arm_init_builtins): __builtin_prefetch is in arch5e.
4636 * arm.h (arm_arch5e): Declare it.
4638 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4640 * arm.md (define_constants): Add defines for UNSPEC and
4641 UNSPEC_VOLATILE insns. Update all users.
4642 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4643 * arm.c (multi_register_push, note_invalid_constants)
4644 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4645 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4646 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4648 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4650 * jump.c (jump_optimize_1): Use reversed_comparison_code
4651 instead of can_reverse_comparison_p.
4652 (jump_back_p): Likewise.
4653 (invert_exp_1): Likewise.
4654 (thread_jumps): Likewise.
4655 * simplify-rtx.c (simplify_unary_operation): Likewise.
4656 (simplify_ternary_operation): Likewise.
4657 * cse.c (find_comparison_args): Convert to use
4658 can_reverse_comparison_p.
4659 (record_jump_equiv): Likewise.
4661 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4663 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4664 (EPILOGUE_USES): Define.
4665 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4666 automatically stack the LR if it isn't live.
4668 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4670 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4673 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4675 * ggc-page.c (max_alignment): New structure.
4676 (MAX_ALIGNMENT): New macro.
4677 (init_ggc): Use it to round up the sizes in the
4678 extra_order_size_table.
4680 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4682 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4685 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4687 * builtins.def (BUILT_IN_FPRINTF): New entry.
4689 * c-common.c (c_expand_builtin_fprintf): New function.
4690 (init_function_format_info): Handle __builtin_fprintf.
4691 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4692 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4694 * c-decl.c (duplicate_decls): Adjust comment.
4696 * extend.texi (fprintf): Document new builtin.
4698 2001-01-07 Richard Henderson <rth@redhat.com>
4700 * jump.c (simplejump_p): Recognize any single_set jump
4703 2001-01-07 Richard Henderson <rth@redhat.com>
4705 * configure.in (slibdir): Accept an --with-slibdir option.
4706 Use "test" not "[" in configure. Default to $(libdir).
4708 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4710 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4711 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4712 (SHLIB_LINK): Create links for the soname.
4713 * config/mips/t-iris6: Likewise.
4714 * config/sparc/t-slibgcc: Likewise.
4715 * config/sparc/t-slibgcc-sld: Likewise.
4717 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4719 * config/i386/i386.c (constant_call_address_operand): Accept
4720 (const (plus (symbol_ref) (const_int))).
4721 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4722 constant_call_address_operand.
4724 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4726 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4727 and LONG_LONG_TYPE_SIZE > 32.
4729 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4731 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4732 the previous change.
4734 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4736 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4738 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4739 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4740 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4743 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4745 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4747 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4749 * c-lang.c (c_post_options): Call cpp_post_options.
4750 * objc/objc-act.c (objc_post_options): Similarly.
4751 * cppmain.c (main): Similarly.
4752 * fix-header.c (read_scan_file): Similarly.
4753 * cppinit.c (cpp_start_read): Move option consistency checks
4754 to cpp_post_options. Don't call init_dependency_output.
4755 If needed, add default target and main file dependency.
4756 (OPT_MD, OPT_MMD): Remove.
4758 (cpp_handle_option): Update for OPT_* changes.
4759 (cpp_post_options): New.
4760 (init_dependency_output): Command line -MF overrides environment
4761 variables. Don't set default target etc. Suppress output
4762 if dependencies are going to stdout.
4763 (print_help): Update.
4764 * cpplib.h (cpp_post_options): New.
4765 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4767 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4769 * jump.c (comparison_dominates_p): Support unordered compares.
4771 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4773 * simplify-rtx.c (simplify_relational_operation): Always simplify
4774 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4777 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4779 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4780 (nonzero_bits): Likewise.
4781 (simplify_comparison): Likewise.
4782 (num_sign_bit_copies): Likewise; return more sane value depending
4783 on STORE_FLAG_VALUE.
4784 (known_cond): Do not assume EQ to be always true for equivalent
4787 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4789 * cse.c (fold_rtx): Handle unordered comparisons.
4791 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4793 * rtlanal.c (set_of_1): New static function.
4794 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4795 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4796 reg_set_last_last_regno): Remove.
4797 (set_of): New global function.
4798 (set_of_data): New structure.
4799 (reg_set_p, reg_set_last): Revamp for set_of.
4800 * rtl.h (set_of): New.
4802 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4804 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4805 * extend.texi: Document _Exit builtin.
4807 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4809 * (initialize, initialize_builtins,
4810 initialize_dependency_output, initialize_standard_includes):
4811 Rename s/initialize/init. Update.
4812 (init_dependency_output): Move to after
4813 cpp_handle_options, the correct location temporally at least.
4814 (opt_comp): Move next to init (), its caller. Fix prototype.
4815 (init): Make "initialized" local scope.
4816 (cpp_create_reader): Always call init ().
4817 (cpp_start_read): Update.
4818 (output_deps): New function, broken out of cpp_finish.
4819 (cpp_finish): Break out output_deps.
4821 2001-01-07 Richard Henderson <rth@redhat.com>
4823 * collect2.c (COFF specific stuff): Revert 12-06 patch
4824 to prototype system functions.
4826 2001-01-07 Michael Hayes <mhayes@redhat.com>
4828 * hard-reg-set.h: Add multiple include guard.
4829 * basic-block.h (struct loop): Add `sink' field.
4830 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4831 (emit_iv_add_mult): Delete.
4832 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4833 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4834 (unroll_loop): Remove end_insert_before argument.
4835 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4836 (maybe_eliminate_biv_1): Likewise.
4837 (emit_iv_add_mult): Delete.
4838 (gen_add_mult, loop_regs_update): New.
4839 (loop_insn_emit_after, loop_insn_emit_before): New.
4840 (loop_insn_sink, loop_insn_sink_or_swim): New.
4841 (emit_iv_add_mult): Delete.
4842 (scan_loop): Set loop->sink.
4843 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4844 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4845 (maybe_eliminate_biv_1): Likewise.
4846 (maybe_eliminate_biv_1): Add basic block argument.
4847 * unroll.c (unroll_loop): Remove end_insert_before argument.
4848 (find_splittable_regs): Likewise.
4849 (find_splittable_regs): Use loop_insn_sink and its ilk.
4850 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4852 2001-01-07 Michael Hayes <mhayes@redhat.com>
4854 * loop.h (loop_insn_hoist): New prototype.
4855 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4856 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4857 (check_dbra_loop, load_mems): Likewise.
4858 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4859 (find_splittable_givs): Likewise.
4861 2001-01-07 Michael Hayes <mhayes@redhat.com>
4863 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4865 2001-01-07 Richard Henderson <rth@redhat.com>
4867 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4869 2001-01-07 Richard Henderson <rth@redhat.com>
4871 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4872 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4873 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4874 variant that handles a shared libgcc.
4875 (process_command): Always validate -{static,shared}-libgcc.
4876 (do_spec_1): New 'M' case.
4877 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4879 2001-01-07 Richard Henderson <rth@redhat.com>
4881 * Makefile.in (slibdir): New variable.
4882 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4883 (installdirs): Create slibdir.
4884 (install-libgcc, install-multilib): Defer to libgcc.mk.
4885 * configure.in (slibdir): Substitute.
4886 * mklibgcc.in (install): New target.
4888 * config/t-linux (SHLIB_LINK): Create links for the soname.
4889 (SHLIB_INSTALL): New.
4890 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4891 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4892 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4893 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4894 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4896 2001-01-07 Richard Henderson <rth@redhat.com>
4898 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4899 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4900 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4902 2001-01-07 Michael Hayes <mhayes@redhat.com>
4904 * loop.c (count_loop_regs_set): Delete.
4905 (load_mems_and_recount_loop_regs_set): Delete.
4906 (loop_regs_scan): Merge common code from count_loop_regs_set,
4907 scan_loop, and load_mems_and_recount_loop_regs_set.
4908 (scan_loop): Call load_mems directly and loop_regs_scan
4909 again if new registers created.
4911 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4913 * toplev.c (main): Call the front-end specific post_options
4914 hook if one is given.
4915 * toplev.h (struct_lang_hooks, lang_hooks): New.
4916 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4917 for the C front end.
4918 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4919 lang_hooks for the C++ front end.
4920 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4921 lang_hooks for the ObjC front end.
4922 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4923 * java/lang.c (lang_hooks): Hooks for the Java front end.
4925 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4927 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4928 for verbose DWARF[2] debugging.
4929 (cb_define, cb_undef): The new callbacks.
4930 * toplev.h (debug_define, debug_undef): Make const correct.
4931 * toplev.c (debug_define, debug_undef): Similarly. Do not
4932 perform the verbosity tests here anymore.
4934 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4936 * reload.c (subst_reloads): Take INSN argument. When
4937 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4938 * reload.h (subst_reloads): Adjust prototype.
4939 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4940 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4941 present in JUMP_INSNs and copy them to JUMP_LABEL.
4942 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4943 JUMP_INSNs and insns with REG_LABELs that are followed by
4944 JUMP_INSNs with the same REG_LABEL.
4945 * sched-rgn.c (is_cfg_nonregular): Likewise.
4946 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4948 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4950 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4952 2001-01-06 Richard Henderson <rth@redhat.com>
4954 * loop.c (scan_loop): Use xcalloc for the regs array.
4955 (load_mems_and_recount_loop_regs_set): Zero the new memory
4956 received from xrealloc.
4958 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4960 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4962 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4964 * integrate.c (copy_rtx_and_substitute): When copying
4965 an ignored return value, strip REG_FUNCTION_VALUE_P.
4967 2001-01-06 Michael Hayes <mhayes@redhat.com>
4969 * loop.c (debug_biv, debug_giv): New.
4970 (loop_biv_dump): Break out from ...
4971 (record_biv): ... here.
4972 (loop_giv_dump): Break out from ...
4973 (record_giv): ... here.
4974 (loop_bivs_check): Use print_simple_rtl.
4975 * unroll.c (loop_iterations): Use print_simple_rtl.
4977 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4979 * pa.md (return, return_internal): Modify patterns to prevent regrename
4980 mucking with the return pointer.
4982 2001-01-05 Richard Henderson <rth@redhat.com>
4984 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4986 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4988 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4989 version supplied by Matteo Frigo.
4991 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4993 * cpp.texi: Update for -MQ.
4994 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4995 (cpp_cleanup): Always free pfile->deps.
4996 (initialize_dependency_output): Don't create pfile->deps.
4997 (cpp_handle_option): Similarly.
4999 * gcc.c (cpp_options): Handle -MQ.
5000 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5001 * mkdeps.c (base_name): Remove.
5002 (deps_init): Don't allocate vector space until it's needed.
5003 (deps_free): Only free vectors if allocated.
5004 (deps_add_target, deps_add_dep): Update for initial allocation.
5005 (deps_add_default_target): Don't strip to the base_name.
5007 2001-01-05 DJ Delorie <dj@redhat.com>
5009 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
5010 (INIT_EXPANDERS): Define.
5012 * config/v850/v850.c (struct machine_function): Define.
5013 (v850_save_machine_status): New function.
5014 (v850_restore_machine_status): New function.
5015 (v850_return_addr): New function.
5016 (v850_init_expanders): New function.
5018 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5019 and v850_init_expanders.
5021 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5023 * cpplib.h (struct cpp_reader): Add help_only field.
5024 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5025 (cpp_handle_option): Set pfile->help_only if we see -h,
5026 --help, -target-help, or --version. Print version string but
5027 do not set help_only if we see -v or -version. Make text
5028 printed by -v match that printed by (-)-version.
5030 * cppmain.c (main): Exit after option parsing if
5031 pfile->help_only is true.
5033 * toplev.c (independent_decode_option): Call print_version,
5034 then exit, if we see --version (but not -version).
5035 (print_version): Split lengthy message into two lines.
5037 2001-01-05 Nick Clifton <nickc@redhat.com>
5039 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5040 temporary string for initialisation before calling ggc_alloc_string.
5042 2001-01-06 Michael Hayes <mhayes@redhat.com>
5044 * rtl.h (print_simple_rtl): New.
5045 * print-rtl.c (print_simple_rtl): New.
5047 (print_rtx): Disable printing of flags and modes, etc.,
5048 if `flag_simple` nonzero.
5050 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5052 * function.c (fixup_var_refs): Use push_to_full_sequence where
5055 2001-01-05 Michael Meissner <meissner@redhat.com>
5057 * flags.h (flag_reorder_blocks): Add declaration.
5058 (flag_rename_block): Ditto.
5060 2001-01-05 DJ Delorie <dj@redhat.com>
5062 * function.c (reorder_blocks): Make sure the flags are all reset
5063 before using them to mark blocks, else a second invocation will
5064 corrupt the block chain.
5065 (reorder_blocks_0): New, resets the flags.
5067 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5069 * cse.c (find_comparison_args): Stop if the argument is known to
5072 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5074 * config/sh/sh.md (movdf): When splitting load into pair of
5075 registers, don't clobber the register used in the address too
5078 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5080 * varasm.c (mark_constant_pool): Improve initial comments.
5081 (mark_constants): Move marking of constants to mark_constant.
5082 (mark_constant): New function to recursively mark all constants
5083 referred to by a constant.
5085 2001-01-05 Catherine Moore <clm@redhat.com>
5087 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5089 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5091 * cp/lang-options.h: Bring comment in line with reality.
5092 * f/lang-options.h: Likewise.
5093 * java/lang-options.h: Likewise.
5094 * objc/lang-options.h: Likewise.
5095 * ch/lang-options.h: Likewise.
5096 * f/g77.texi: And update the manual.
5098 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5099 Denis Chertykov <denisc@overta.ru>
5101 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5102 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5103 * config/avr/avr.md (all peepholes that request a scratch register):
5104 Call it, FAIL the peephole if not safe (in interrupt functions).
5106 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5108 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5110 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5112 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5114 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5115 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5116 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5117 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5118 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5120 * extend.texi: Document these builtins.
5122 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5124 * c-common.c (lang_get_alias_set): Say we know nothing of
5125 VECTOR_TYPE aliasing.
5127 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5129 2001-01-05 Bruce Korb <bkorb@gnu.org>
5131 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5132 their x* equivalent versions for atexit-less systems
5133 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5134 systems (or any other system any more).
5136 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5138 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5139 output operands. Use arm_hard_register_operand for operand 4.
5140 (stmsi_postinc): Similarly.
5141 (ldmsi): Use arm_hard_register_operand for opernand 2.
5143 * arm.c (arm_hard_register_operand): New function.
5144 * arm-protos.h (arm_hard_register_operand): Prototype it.
5146 * arm.h (HARD_REGNO_RENAME_OK): Define.
5148 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5150 * simplify-rtx.c (cfc_args): add "unordered" field.
5151 (check_fold_consts): Set unordered field.
5152 (simplify_relational_operation): Simplify the unordered
5155 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5158 * emit-rtl.c (try_split): Fix code to mark labels.
5159 * jump.c (mark_jump_label): Make global.
5160 * rtl.h (mark_jump_label): Declare.
5162 * predict.c (estimate_probability): Handle unordred comparisons.
5164 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5166 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5167 * cppinit.c (initialize_dependency_output): Update.
5168 (cpp_finish): Output dummy targets for -MP.
5170 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5171 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5172 * gcc.c (cpp_options): Update to handle -MP.
5173 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5174 to quote only the default target.
5175 (deps_phony_targets): Insert a preceding newline. Rename from
5176 deps_dummy_targets for consistency.
5179 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5181 * calls.c (emit_library_call_value_1): Support
5182 INIT_CUMULATIVE_LIBCALL_ARGS.
5183 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5185 2001-01-04 Richard Henderson <rth@redhat.com>
5187 * c-decl.c (finish_struct): Detect flexible array members
5188 used in an inappropriate context.
5189 * c-typeck.c (really_start_incremental_init): Special case
5190 constructor_max_index for zero length arrays.
5191 (pop_init_level): Allow initialization of flexible array
5192 members. Deprecate initialization of zero length arrays.
5193 Don't issue missing initializer warning for flexible array
5194 members or zero length arrays.
5195 (process_init_element): Don't dereference null DECL_SIZE.
5196 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5197 Don't abort for empty constructors. Use size_binop
5198 (output_constructor): Add commentary regarding zero length
5199 array futures. Abort if we try to initialize an array of
5200 unspecified length with a non-empty constructor in the middle
5203 * extend.texi (Zero Length): Update and clarify documentation
5204 on static initialization.
5206 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5208 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5209 with more than 32767 words of local storage.
5211 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5213 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5214 for 'abs', 'labs', and 'fabs'.
5215 (c4x_expand_builtin): Likewise.
5216 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5218 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5220 * config/sh/sh.md (prget, prset): New insn types.
5221 (return delay slot): Dont' allow prset.
5222 (call, sfunc delay slot): Don't allow prget.
5223 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5224 for prset and prget.
5226 2001-01-05 Michael Hayes <mhayes@redhat.com>
5228 * loop.h (struct loop_reg): New.
5229 (struct loop_regs): Change to use array of `struct loop_reg'.
5230 * loop.c: Replace assortment of varrays with single regs array.
5231 (count_one_set): Delete may_not_move array argument
5232 and use regs array instead. All caller's changed.
5233 (count_loop_regs_set): Delete may_not_move and single_usage
5234 arguments and use regs array instead. All caller's changed.
5235 (find_single_use_in_loop): Replace usage array argument with pointer
5236 to regs structure. All caller's changed.
5237 (loop_optimize): Delete `moved_once' array.
5239 2001-01-05 Michael Hayes <mhayes@redhat.com>
5241 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5242 Use it instead of loop_info->has_call for scanning loop mems.
5243 (check_dbra_loop): Replace loop_info->has_call test with
5244 loop_info->has_nonconst_call.
5246 2000-01-04 Matthew Hiller <hiller@redhat.com>
5248 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5251 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5253 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5254 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5256 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5258 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5259 (flag_short_double, flag_short_wchar): Define.
5260 (c_common_nodes_and_builtins): Create many tree nodes shared
5261 between C and C++ here instead of in cp/decl.c and ...
5262 * c-decl.c (init_decl_processing): ... here.
5263 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5264 (flag_short_double, flag_short_wchar): Don't define.
5265 (record_builtin_type): New function.
5266 (build_void_list_node): New function.
5267 * c-common.h (flag_short_double, flag_short_wchar,
5268 record_builtin_type, build_void_list_node): Declare.
5270 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5272 * integrate.c (expand_inline_function): Don't put a virtual
5273 register into the reg map.
5275 * function.c (fixup_var_refs_1): If force_operand didn't put
5276 the address into the target, move it there.
5278 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5280 Special-case tree_decl/tree_list allocations.
5281 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5282 (OBJECT_SIZE): New macro.
5283 (NUM_EXTRA_ORDER): Likewise.
5284 (extra_order_size_table): New variable.
5285 (NUM_ORDERS): New macro.
5286 (objects_per_page_table): New variable.
5287 (object_size_table): New variable.
5288 (G.pages): Use NUM_ORDERS to bound the array.
5289 (G.page_tails): Likewise.
5290 (DIV_ROUND_UP): Remove.
5291 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5292 (alloc_page): Use OBJECT_SIZE.
5293 (size_lookup): Don't make it const.
5294 (ggc_alloc): Use OBJECT_SIZE.
5295 (ggc_set_mark): Likewise.
5296 (ggc_get_size): Likewise.
5297 (init_ggc): Set up the object_size_table, objects_per_page_table,
5298 and adjust size_lookup.
5299 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5300 (ggc_pop_context): Use NUM_ORDERS.
5301 (clear_marks): Likewise.
5302 (sweep_pages): Likewise.
5303 (poison_pages): Likewise.
5304 (ggc_print_statistics): Use OBJECT_SIZE.
5306 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5308 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5309 Only call array_size_for_constructor if last field and array type
5310 with no upper bound.
5312 2001-01-04 Philip Blundell <philb@gnu.org>
5314 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5315 from bit 31 downwards, if this requires no more insns.
5316 (count_insns_for_constant): New helper function for above.
5318 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5320 * gencodes.c (output_predicate_decls): Remove empty initializer.
5322 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5324 * tree.c (copy_node): Remove documentation about obstacks.
5325 (buidl1): Check that nobody tries to build 2-argument nodes this
5328 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5330 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5333 * gencodes.c (output_predicate_decls): Fill empty initializer
5336 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5338 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5339 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5341 (do_include): Handle missing headers like cpp0.
5342 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5343 paths with first include pathname. Don't strcat to uninitialized
5346 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5348 * regrename.c (regrename_optimize): Don't rename from frame pointer
5349 if frame_pointer_needed.
5350 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5351 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5352 (ia64_reorg): Use it instead of scheduling if ! optimize.
5353 (errata_emit_nops): Properly call asm_noperands.
5354 (ia64_sched_reorder): Finish cycle if we see an asm.
5355 (ia64_variable_issue): Clear scheduling state after asms.
5357 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5359 * cpp.texi: Update for -MT.
5360 * cppinit.c (initialize_dependency_output): Add a default
5361 target if none has been given already.
5362 (no_tgt, OPT_MT): New.
5363 (cpp_handle_option): Handle -MT. Update -M etc.
5364 * cpplib.h (struct cpp_options): Remove deps_target.
5365 * gcc.c (cpp_options): Handle -MT.
5366 * mkdeps.c (struct deps): Move from mkdeps.h.
5367 (deps_calc_target): Rename deps_add_default_target. Add a
5368 default target if none has been specified already.
5369 * mkdeps.h (struct deps): Move to mkdeps.c.
5370 (deps_calc_target): Rename deps_add_default_target.
5372 2000-01-03 Richard Henderson <rth@redhat.com>
5374 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5376 * c-typeck.c (push_init_level): Move checks for flexible array
5377 members and zero length arrays ...
5378 (pop_init_level): ... here. Silently discard empty initializations.
5380 * varasm.c (output_constructor): Update for sizeof change to
5383 * extend.texi (Zero Length): Clarify semantics.
5385 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5387 * configure.in (tm.h): Include isns-codes.h last.
5388 * configure: Rebuilt.
5390 2001-01-03 Richard Henderson <rth@redhat.com>
5392 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5393 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5395 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5397 * tradcpp.c (main): Make sure finclude() is called with a valid
5398 indepth value while handling -include.
5400 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5402 * gencodes.c (output_predicate_decls): New function.
5404 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5405 even if it is not the first time machmode.h is #included.
5406 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5407 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5408 * gcc.texi (Copyright): Added 2001.
5410 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5412 * c-common.c (c_common_lang_init): New function. Warn if format
5413 warning options which only have effects when used with -Wformat
5414 are used without -Wformat.
5415 * c-common.h (c_common_lang_init): Declare.
5416 * c-lang.c (lang_init): Call c_common_lang_init.
5417 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5419 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5421 * configure.in: Check for the mktemp command.
5422 * configure: Regenerate.
5423 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5424 $TEMP. Create temporary files with mktemp, if available at
5425 configure time; otherwise use set -C. Remove temporary files
5428 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5430 * configure.in: Require at least texinfo 4.0. Check for whether
5431 Pod::Man is sufficiently recent to regenerate GCC manpages.
5432 * configure: Regenerate.
5433 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5435 (GENERATED_MANPAGES): Define.
5436 (generated-manpages): New target. Depend on cpp.1 as well as
5438 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5439 configure to generated-manpages or empty) rather than on the
5440 manpages directly. Remove execute permission from installed
5441 gcov.1 as well as cpp.1.
5442 * cpp.1, gcov.1: Regenerate.
5444 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5446 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5447 tree_low_cst. Allow using cmpstrsi in more cases.
5449 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5451 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5454 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5456 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5457 * Makefile.in (HOST_CFLAGS): Mention build-make.
5459 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5461 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5464 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5466 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5469 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5472 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5473 reg_base_value and reg_known_value arrays.
5474 (init_alias_analysis): Add more cases to detect known values.
5475 * sched-deps.c (deps_may_trap_p): New function.
5476 (sched_analyze_2): Use it.
5478 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5480 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5481 don't discard an ASHIFTRT if we're shifting in a wider mode.
5483 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5485 * toplev.c (rest_of_compilation): Don't print basic block information
5486 when CFG isn't up to date.
5488 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5490 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5491 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5492 (UNALIGNED_SHORT_ASM_OP): Define.
5493 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5495 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5497 * fold-const.c (fold_convert): Fix typo.
5499 2001-01-02 Richard Henderson <rth@redhat.com>
5501 * c-common.h (ASM_INPUT_P): New.
5502 * c-parse.in (asm): Set it when needed.
5503 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5504 existance of an operand.
5506 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5508 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5509 (dwarf2out_frame_debug_expr): Likewise.
5510 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5512 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5514 * i386.c (ix86_split_to_parts): Return number of part required;
5516 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5518 (ix86_split_long_move): Use number of part returned
5519 by ix86_split_to_parts
5520 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5522 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5523 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5524 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5525 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5526 (ALIGN_MODE_128): Add TFmode.
5527 (IS_STACK_MODE): Likewise.
5528 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5529 (HARD_REGNO_OK): Support TFmodes.
5530 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5531 * i386.md (scheduler definitions): Use memory operand to determine
5532 fst/fld instructions; use mode attribute to determine real mode of
5534 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5535 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5537 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5539 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5541 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5543 * expr.c (store_constructor_field): Update ALIGN before calling
5546 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5548 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5551 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5553 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5556 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5558 * c-decl.c (start_function): Don't warn on third parameter to main.
5560 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5562 * tsystem.h: Define HAVE_DECL_GETOPT.
5564 2001-01-02 Philip Blundell <pb@futuretv.com>
5566 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5569 2001-01-02 Richard Henderson <rth@redhat.com>
5571 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5573 2001-01-02 Andreas Jaeger <aj@suse.de>
5575 * c-decl.c (c_decode_option): Remove support of
5578 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5579 (W_options): Add -Wmissing-noreturn here.
5581 * flow.c: Define lang_missing_noreturn_ok_p.
5582 (check_function_return_warnings): Use it.
5584 * c-common.h: Declare lang_missing_noreturn_ok_p.
5586 * c-lang.c (c_missing_noreturn_ok_p): New function.
5587 (lang_init): Set lang_missing_noreturn_ok_p.
5589 * invoke.texi (Warning Options): Document this.
5591 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5593 * extend.texi (C++ Extensions): New node for C++ attributes;
5594 describe init_priority and com_interface.
5595 * invoke.texi: Remove -finit-priority as it now has zero effect.
5596 * install.texi: Fix xref syntax.
5597 * md.texi: Likewise.
5599 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5601 * config.gcc (sparc64-wrs-vxworks*): New case.
5602 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5604 * config/sparc/sparc.c (sparc_override_options): Do support different
5605 pointer and architecture size.
5606 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5607 (POINTERS_EXTEND_UNSIGNED): Define.
5608 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5609 (FUNCTION_MODE): Define to be Pmode.
5610 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5612 * function.c (expand_function_end): Properly handle DECL_RESULT
5613 and copy when ptr_mode != Pmode.
5614 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5616 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5618 * c-common.c (c_common_nodes_and_builtins): Set prototype
5619 parameters for __builtin_fputs, __builtin_fputc and
5620 __builtin_fwrite. Don't declare plain fputc as a builtin.
5622 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5624 * loop.c (add_label_notes): Increment the label usage count when
5625 a note is added to an insn which refers to a CODE_LABEL.
5626 * gcse.c (add_label_notes): Likewise.
5628 2001-01-01 Andreas Jaeger <aj@suse.de>
5630 * loop.c (scan_loop): Use xmalloc to allocate movables.
5632 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5634 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5635 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5636 * reload1.c (REGISTER_MOVE_COST): Likewise.
5637 * regclass.c (REGISTER_MOVE_COST): Likewise.
5638 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5639 dimension. Adjust all users.
5640 (init_reg_sets_1): Iterate on all modes.
5641 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5642 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5643 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5644 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5645 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5646 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5647 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5648 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5649 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5650 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5651 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5652 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5653 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5654 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5655 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5656 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5657 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5658 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5659 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5660 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5661 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5662 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5663 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5664 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5665 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5666 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5667 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5669 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5671 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5672 arg VARIES_P. Call it with extra arg.
5673 (true_dependence): Likewise.
5674 * rtl.h (rtx_addr_can_trap_p): Declare.
5675 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5677 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5678 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5679 pic offset table register if it's zero. All callers changed.
5680 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5682 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5684 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5685 STRING_POOL_ADDRESS_P.
5687 * config/sparc/sparc.c (input_operand): Properly test for short op.
5689 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5690 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5691 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5692 * config/sparc/elf.h: No longer include sol2.h.
5693 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5694 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5696 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5698 2001-01-01 Michael Hayes <mhayes@redhat.com>
5700 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5701 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5702 (record_initial): Likewise.
5703 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5704 (remap_split_bivs): Likewise.
5706 2001-01-01 Michael Hayes <mhayes@redhat.com>
5708 * loop.c (loop_ivs_free): New function.
5709 (strength_reduce): Break out from...
5711 2001-01-01 Michael Hayes <mhayes@redhat.com>
5713 * loop.h (struct iv): New.
5714 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5715 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5716 'reg_biv_class' fields with 'regs' and 'n_regs'.
5717 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5718 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5719 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5721 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5723 * resource.c (mark_referenced_resources): Abort() before
5724 attempting to mark a pseudo register.
5725 (mark_set_resources): Likewise.
5727 2001-01-01 Michael Hayes <mhayes@redhat.com>
5729 * loop.h (REG_IV_CLASS): New accessor macro.
5730 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5731 * unroll.c (REG_IV_CLASS): Likewise.
5733 See ChangeLog.4 for earlier changes.
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