1 2001-03-08 Bruce Korb <bkorb@gnu.org>
3 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
4 wiat4() can receive the signal.
6 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
8 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
10 * fixinc/fixincl.x: Regenerate.
12 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
14 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
16 * fixinc/fixincl.x: Regenerate.
18 2001-03-08 Richard Henderson <rth@redhat.com>
20 * configure.in (HAVE_AS_LEB128): New assembler check.
21 * configure, config.in: Rebuilt.
23 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
25 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
28 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
30 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
31 references to the MAXPATHLEN macro.
33 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
34 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
37 * config/i386/xm-gnu.h, config/xm-gnu.h,
38 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
39 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
40 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
43 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
44 doing so in various xm-*.h files.
46 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
48 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
50 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
52 * configure.in (enable_shared): Support per-package shared-library
56 2001-03-07 David Edelsohn <edelsohn@gnu.org>
58 * rs6000.md (cr logic): Add original POWER mnemonic alternative
59 for crnot. Set operands[5] in splitter.
61 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
63 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
64 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
65 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
66 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
67 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
68 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
69 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
72 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
73 config/i370/xm-i370.h, config/i386/xm-dgux.h,
74 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
75 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
76 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
77 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
78 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
79 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
80 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
81 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
82 Delete unused and/or empty files.
84 * config.gcc: Define USG in xm_defines as appropriate. Define
85 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
86 macro. Remove deleted xm-* files from $xm_files variable.
88 2001-03-07 Tom Tromey <tromey@redhat.com>
91 * configure.in: Allow config-lang.in to set `lang_requires' to list
92 of other required languages.
94 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
96 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
98 (output_prologue): Use xmalloc not oballoc.
99 (output_epilog): Free a29k_first_epilogue_insn when finished.
100 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
102 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
104 * builtins.c (expand_builtin_mathfn): Check
105 flag_unsafe_math_optimizations, not flag_fast_math.
106 (expand_builtin): Likewise
107 * combine.c (combine_simplify_rtx): Likewise.
108 (simplify_if_then_else): Likewise.
109 * cse.c (fold_rtx): Likewise.
110 * flags.h: Remove flag_fast_math. Add
111 flag_unsafe_math_optimizations and flag_trapping_math.
112 * fold-const.c (negate_expr): Check
113 flag_unsafe_math_optimizations, not flag_fast_math.
114 (invert_truthvalue): Likewise.
115 (fold): Likewise. Before associating operands, check that
116 code == MULT_EXPR, not code != MULT_EXPR.
117 * ifcvt.c (noce_try_minmax): Check
118 flag_unsafe_math_optimizations, not flag_fast_math.
119 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
120 * invoke.texi: Document -funsafe-math-optimizations and
121 -fno-trapping-math. Change documentation for -ffast-math.
122 * jump.c (reversed_comparison_code_parts): Likewise.
123 (rtx_equal_for_thread_p): Likewise.
124 * optabs.c (emit_conditional_move): Likewise.
125 * simplify-rtx.c (simplify_binary_operation): Likewise.
126 (simplify_relational_operation): Likewise.
127 (simplify_ternary_operation): Likewise.
128 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
129 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
130 Add trapping-math and unsafe-math-optimizations entries to f_options.
131 (set_fast_math_flags): New, sets flags for -ffast-math.
132 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
133 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
134 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
136 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
137 (alpha_emit_conditional_move): Initialize local_fast_math to
138 flag_unsafe_math_optimizations, not flat_fast_math.
139 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
140 instead of setting flag_fast_math to 1.
141 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
143 * config/i386/i386.c (override_options): Likewise
144 * config/i386/i386.md: Likewise.
145 * config/m68k/m68k.md: Likewise.
146 * config/mips/mips.md: Likewise.
147 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
148 (rs6000_generate_compare): Likewise.
150 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
152 * Makefile.in: Set RANLIB to @RANLIB@.
155 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
157 * fixinc/inclhack.def (djgpp_wchar_h): New test.
158 * fixinc/fixincl.x: Regenerated.
160 2001-03-07 Richard Henderson <rth@redhat.com>
162 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
164 2001-03-07 Richard Henderson <rth@redhat.com>
166 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
167 of block notes and exception handling notes.
169 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
170 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
171 (compile_file): ... here.
173 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
175 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
177 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
178 config.h now. Include libiberty.h to handle alloca.
180 2001-03-06 Zack Weinberg <zackw@stanford.edu>
182 * c-parse.in (yylexname): New function, split out of _yylex.
183 (objc_rid_sans_at): New table.
184 (init_reswords): Initialize it.
185 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
186 retrieving the next token and checking it for significance as
187 an ObjC keyword or string constant.
189 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
190 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
192 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
195 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
197 * config/m68k/m68k.c (const_uint32_operand): Accept any
198 const_int on a 32-bit host.
200 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
202 * objc/objc-act.c (init_objc): Set save_lang_status,
203 restore_lang_status, and mark_lang_status.
205 2001-03-06 Krister Walfridsson <cato@df.lth.se>
207 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
209 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
211 * cppinternals.texi: Update.
213 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
215 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
216 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
217 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
218 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
219 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
220 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
221 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
222 config/i386/xm-i386.h, config/i860/xm-i860.h,
223 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
224 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
225 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
226 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
227 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
228 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
229 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
230 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
231 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
232 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
233 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
234 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
235 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
236 match the defaults provided in hwint.h.
238 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
239 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
241 * config.gcc (xm_file): Don't set to files which are deleted.
243 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
244 guard this file against these macros being undefined.
246 2001-03-06 Zack Weinberg <zackw@stanford.edu>
248 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
249 and DECL_DEFER_OUTPUT on the decl we create, before calling
250 rest_of_decl_compilation.
252 2001-03-06 Zack Weinberg <zackw@stanford.edu>
254 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
256 * configure, config.in: Regenerate.
257 * config.gcc: Remove references to deleted files.
259 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
260 genrecog.c, rtl.c: Do not use alloca anywhere.
262 * Makefile.in, build-make, system.h, config/x-interix,
263 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
264 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
265 config/arc/xm-arc.h, config/arm/xm-arm.h,
266 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
267 config/h8300/xm-h8300.h, config/i370/x-oe,
268 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
269 config/i386/x-ncr3000, config/i386/x-sco5,
270 config/i386/xm-dgux.h, config/i860/x-sysv4,
271 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
272 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
273 config/m68k/x-hp320g, config/m69k/x-mot3300,
274 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
275 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
276 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
277 config/m88k/x-sysv4, config/m88k/x-tekXD88,
278 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
279 config/mips/x-iris, config/mips/x-iris3,
280 config/mips/x-sni-svr4, config/mips/x-sysv,
281 config/mips/xm-iris6.h, config/mips/xm-mips.h,
282 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
283 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
284 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
285 config/pa/xm-papro.h, config/romp/xm-romp.h,
286 config/rs6000/x-aix31, config/rs6000/x-aix41,
287 config/rs6000/x-beos, config/rs6000/x-lynx,
288 config/rs6000/x-mach, config/rs6000/x-rs6000,
289 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
290 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
291 config/sparc/x-sysv4, config/sparc/xm-linux.h,
292 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
293 config/vax/xm-vms.h: Eradicate all references to alloca and
296 * config/xm-alloca.h, config/clipper/x-clix,
297 config/i386/xm-sysv4.h, config/i860/x-fx2800,
298 config/i860/x-sysv3, config/m88k/x-sysv3,
299 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
300 (contained only alloca related hacks).
302 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
305 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
307 * invoke.texi: Document __FAST_MATH__.
309 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
311 * crtstuff.c: Restore include of auto-host.h.
313 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
315 Put main() in a separate file, so that the language
316 front-end can use a different main().
319 * toplev.c: (main): Rename as toplev_main.
320 * toplev.h: Declare toplev_main.
321 * Makefile.in (OBJS): add toplev.o.
322 (BACKEND): remove toplev.o, add main.o.
324 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
326 * cppfiles.c (search_from): Special case the empty string.
328 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
330 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
331 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
332 strlen or strcpy; we already know the length.
333 (_cpp_compare_file_date): Similarly.
334 * cpphash.h (struct cpp_reader): Delete done_initialising.
335 (CPP_PREV_BUFFER): Delete.
336 * cppinit.c (cpp_start_read): Don't set done_initialising.
337 * cpplex.c (parse_string): Guarantee null-termination.
338 (_cpp_equiv_toklists): Remove.
339 * cpplib.c (glue_header_name): Null-terminate.
340 (do_line): Don't leak memory.
341 * cpplib.h (BT_WEAK): Delete.
342 * cppmain.c (cb_ident): Strings are now null-terminated.
344 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
346 * gcc.c (convert_filename): Append executable suffix
347 if NO_AUTO_EXE_SUFFIX is not defined.
348 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
349 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
351 2001-03-03 David O'Brien <obrien@FreeBSD.org>
353 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
354 * c-parse.gperf, c-gperf.h: Delete.
355 (c-gperf.h was accidently re-added to the CVS repo in the rev
356 1.16 commit by tromey)
358 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
360 * cpplex.c (_cpp_lex_token): Don't warn about directives in
361 macro arguments when looking for the '('.
362 * cppmacro.c (funlike_invocation_p): Set parsing_args to
363 2 when really parsing arguments; 1 when looking for '('.
364 Always restore the lexer position.
366 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
368 * longlong.h (umul_ppmm): Don't use a multiline string.
370 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
372 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
373 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
374 t_bool in declaration because pcc can't combine volatile with typedef
377 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
379 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
380 until when it is really needed.
381 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
382 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
383 * i386.md (float?i?f splitter): Don't force source operand to memory
385 (sse_movdfcc): Fix constraint.
386 (sse_movdfcc splitter): Handle properly the second alternative.
388 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
390 * cpplex.c (parse_string): Unconditionally pedwarn.
392 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
395 * cppexp.c (parse_number): Update.
396 * cpplex.c (parse_string): Pedwarn if multiline string does not
397 result from a system header's macro.
398 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
399 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
400 for function-like macros too.
401 * c-lex.c (lex_number): Update.
403 2001-03-03 Richard Henderson <rth@redhat.com>
405 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
407 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
409 * combine.c (try_combine): If split with mode-changed scratch
410 register didn't work, try the original mode.
412 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
414 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
415 * config/c4x/c4x.h: Likewise.
416 * stor-layout.c (compute_record_mode): Likewise.
417 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
419 2001-03-02 Zack Weinberg <zackw@stanford.edu>
421 * configure.in: Kill tm.h. Include the files in the $tm_file
422 list in all three of config.h, hconfig.h, tconfig.h, after the
423 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
424 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
425 * configure: Regenerate.
426 * Makefile.in (clean): Don't delete tm.h.
428 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
429 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
430 those are not defined, set SEC and FEC to 0 and 1.
431 * gcc.texi: Update to match.
433 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
434 * config/fp-bit.c, config/m68k/aux-crt2.asm,
435 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
436 Include tconfig.h, not tm.h.
438 * config/xm-lynx.h, config/xm-std32.h,
439 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
440 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
441 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
442 config/clipper/xm-clix.h, config/convex/xm-convex.h,
443 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
444 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
445 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
446 config/i386/xm-i386.h, config/i860/xm-i860.h,
447 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
448 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
449 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
450 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
451 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
452 config/pa/xm-linux.h, config/pa/xm-pa.h,
453 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
454 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
455 config/pj/xm-pj.h, config/romp/xm-romp.h,
456 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
457 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
458 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
459 config/v850/xm-v850.h, config/vax/xm-vax.h,
460 config/we32k/xm-we32k.h:
462 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
464 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
465 config/i370/xm-oe.h: Don't include tm.h. Don't define
467 * config/vax/xm-vms.h: Don't include tm.h.
469 * config/xm-lynx.h, config/avr/xm-avr.h,
470 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
471 Delete; made empty by above changes.
472 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
473 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
474 Don't include config/xm-lynx.h or tm.h.
476 * config/xm-gnu.h: Don't include fcntl.h.
477 * config/sparc/xm-lynx.h: Don't include sys/types.h and
479 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
481 2001-03-02 Richard Henderson <rth@redhat.com>
483 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
484 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
486 2001-03-02 Richard Henderson <rth@redhat.com>
488 * Makefile.in (OBJS): Add dwarf2asm.o.
489 * dwarf2asm.c, dwarf2asm.h: New files.
490 * dwarf2out.c (*): Use them.
491 (size_of_uleb128, size_of_sleb128): Remove.
492 (output_uleb128, output_sleb128): Remove.
493 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
494 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
495 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
496 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
497 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
498 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
499 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
500 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
501 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
502 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
503 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
504 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
505 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
506 (dwarf2out_frame_debug): Remove unused variables.
507 (output_loc_operands): Don't abort on 8 byte constants if
508 host integers are wide enough.
509 (output_symbolic_ref): Remove.
510 (size_of_die): Don't assume 4 byte host integers.
511 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
513 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
514 something stupid with HOST_WIDE_INT to long truncation.
515 [CONST_DOUBLE]: Likewise.
517 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
518 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
519 * config/arm/unknown-elf.h: Likewise.
520 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
521 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
522 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
523 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
524 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
525 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
526 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
527 (ASM_OUTPUT_DWARF_OFFSET): Remove.
528 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
529 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
530 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
531 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
533 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
535 * cselib.c (hash_rtx): Cast enums to unsigned int.
537 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
539 * print-rtl.c (print_rtx): Cast enums to int for comparison.
540 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
542 * c-format.c (C_STD_VER): Cast to int for comparisons.
543 (check_function_format): Cast various enums to int for &.
544 (maybe_read_dollar_number): Likewise.
545 (check_format_info): Likewise.
546 (check_format_info_main): Likewise.
547 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
548 (safe_from_p): Likewise.
549 * varasm.c (const_hash): Cast enum to int for %.
550 * emit-rtl.c (init_emit_once): Use int loop variable to work around
551 pcc enum problems with < and ++ operators.
552 * regclass.c (init_reg_sets_1): Cast enums for comparison.
553 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
554 (regclass_init): Change enum class to int to iterate over reg_classes.
555 * genrecog.c (merge_trees): Cast enums for comparison.
556 * rtl.h (GET_CODE): Cast to enum rtx_code.
557 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
558 (GET_MODE): Cast to enum machine_mode.
559 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
560 (GET_NOTE_INSN_NAME): Cast enum to int.
561 * tree.h (TREE_CODE): Cast to enum tree_code.
562 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
563 * timevar.c (timevar_print): Change loop variable id from enum to
565 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
566 * config/i386/i386.md: Use PUT_MODE for mode assignment.
567 * toplev.c (compile_file): Cast enum DFI to int.
568 (decode_d_option): Likewise.
570 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
572 * cppinit.c (append_include_chain): Mark "after" include file name list
573 as a system directory.
574 * cpp.texi: Document new behavior.
576 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
578 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
580 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
582 * cppfiles.c (struct include_file): Update.
583 (stack_include_file): Use search_from.
584 (cpp_included, find_include_file): Update.
585 (cpp_execute_include): Update. ptr->name may not be
586 null terminated. Use the new search_from member variable
588 (_cpp_compare_file_date): Similarly.
589 (search_from): New function, similiar to actual_directory.
590 (actual_directory): Delete.
591 (remap_filename): Update. loc->name may not be null terminated.
592 (struct file_name_list): Rename search_path. Update.
593 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
595 (struct cpp_reader): Remove actual_dirs.
596 * cppinit.c (struct cpp_pending): Update for renamed objects.
597 (append_include_chain, remove_dup_dir, remove_dup_dirs,
598 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
599 * cpplib.h (struct cpp_options): Similarly.
601 2001-03-01 Zack Weinberg <zackw@stanford.edu>
603 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
604 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
605 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
606 config/clipper/xm-clix.h, config/convex/xm-convex.h,
607 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
608 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
609 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
610 config/i370/xm-linux.h, config/i370/xm-mvs.h,
611 config/i370/xm-oe.h, config/i386/xm-aix.h,
612 config/i386/xm-i386.h, config/i386/xm-osf.h,
613 config/i860/xm-i860.h, config/i960/xm-i960.h,
614 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
615 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
616 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
617 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
618 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
619 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
620 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
621 config/pj/xm-pj.h, config/romp/xm-romp.h,
622 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
623 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
624 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
625 config/v850/xm-v850.h, config/vax/xm-vax.h,
626 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
627 Do not define TRUE or FALSE.
629 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
630 empty by above change.
631 * config.gcc: Remove references to these files.
633 * configure.in: Detect stdbool.h.
634 * configure, config.in: Regenerate.
635 * system.h: Include stddef.h here if available.
636 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
637 Then set up a sensible boolean type at the very end.
639 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
640 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
642 * hash.h: Delete 'boolean' typedef and related #undefs.
644 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
645 all uses of 'boolean' with 'bool'.
647 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
649 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
650 * cppexp.c (lex): Cast enums for comparison.
651 * cppinit.c (parse_option): Cast enum for comparison.
652 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
653 (cpp_output_token): Likewise.
654 (cpp_can_paste): Cast enums for comparsion and plus/minus.
655 (cpp_avoid_paste): Cast enums for minus and comparison.
657 2001-03-01 Zack Weinberg <zackw@stanford.edu>
659 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
660 field to all array elements.
662 2001-03-01 Zack Weinberg <zackw@stanford.edu>
664 * cpphash.h (struct cpp_reader): Add print_version field.
665 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
666 just set print_version and other flags as appropriate.
667 (cpp_post_options): Print version here if print_version is set.
669 * toplev.c (exit_after_options): New flag.
670 (independent_decode_option): Don't exit here; just set
672 (main): Exit after calling lang_hooks.post_options if
673 exit_after_options is true.
675 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
676 (merge_include_chains): Adjust comment to match code.
678 2001-03-01 Zack Weinberg <zackw@stanford.edu>
680 * stringpool.c (set_identifier): New function.
681 * tree.h: Prototype it.
683 * c-parse.in: Kill D_YES. If compiled for objc, call
684 save_and_forget_protocol_qualifiers from init_reswords.
685 * objc/objc-act.c (remember_protocol_qualifiers,
686 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
687 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
689 (save_and_forget_protocol_qualifiers): New function.
690 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
692 2001-03-01 Diego Novillo <dnovillo@redhat.com>
694 * c-semantics.c (prune_unused_decls): Return error_mark_node
695 instead of (tree) 1 to stop traversing the tree chain.
697 2001-03-01 Bernd Schmidt <bernds@redhat.com>
699 Fix a problem introduced by Kenner's Feb 18 change.
700 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
701 flag_cse_skip_blocks only temporarily, not for ever.
703 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
705 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
706 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
708 * pa.c (emit_move_sequence): Verify operand0 is a hard register
709 before determining its register class.
711 2001-03-01 Bernd Schmidt <bernds@redhat.com>
713 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
714 from reg 4 if current_function_calls_setjmp.
715 (gen_nop_type): New function.
716 (ia64_emit_nops): New function.
717 (ia64_reorg): Call it.
718 (ia64_sched_reorder): Move code that rotates bundles up a bit.
720 * reload1.c (eliminate_regs_in_insn): Restrict the special case
721 code not to try to optimize adds with anything but a REG destination.
723 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
724 (INSN_PRIORITY_KNOWN): New accessor macro.
725 * haifa-sched.c (priority): Use it instead of testing priority against
728 2001-02-28 DJ Delorie <dj@redhat.com>
730 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
731 since that doesn't work the way gcc wants on a generic m68k.
733 2001-02-28 Richard Henderson <rth@redhat.com>
735 * caller-save.c (save_call_clobbered_regs): Fix typo in
736 comparison last change.
738 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
740 * i386.c (pentium4_cost): New.
741 (m_PENT4): New macro.
742 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
743 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
744 x86_integer_DFmode_moves, x86_partial_reg_dependency,
745 x86_memory_mismatch_stall): Add Pentium4
746 (x86_use_q_reg, x86_use_any_reg): Kill.
747 (override_options): Add pentium4.
748 (incdec_operand): Return 0 for pentium4.
749 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
750 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
751 (TARGET_PENTIUM4): Define.
752 (enum processor_type): Add PROCESSOR_PENTIUM4.
753 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
754 * i386.md (attribute "cpu"): Add pentium4.
755 * invoke.texi (march): Add pentium4.
757 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
759 * i386.md (sse_mov?fcc*): New patterns and splitters.
760 * i386.c (ix86_expand_movcc): Work post-reload; recognize
761 the SSE based conditional moves.
763 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
765 * i386.md (attribute mode): Add "TI".
766 (movsf_1): Add pxor support; remove constant propagation splitter.
767 (movdf_integer): Likewise.
768 (movdf_nointeger): Likewise.
769 (movxf constant prop splitter): Handle all modes; update for SSE.
770 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
771 * i386.c (standard_80387_constant_p): Rewrite.
772 (standard_sse_constant_p): New.
773 * i386-protos.h (standard_sse_constant_p): New.
775 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
777 * i386.md (sse_setccsf, sse_setccdf): New.
778 (sse_cmp* patterns): Use '%D' instead of outputtting condition
780 * i386.c (sse_comparison_operator): Accept the supported unordered
781 comparses; be ready for fast_math.
782 (print_operand): Support 'D'.
784 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
786 * jump.c (reversed_comparison_code): Kill.
788 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
790 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
793 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
795 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
796 add missing '%' in constraints.
798 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
800 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
801 for HOST_BITS_PER_WIDE_INT == 32 too.
803 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
805 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
807 (insert_save, insert_restore): New parameter save_mode.
808 (init_caller_save): Update initialization of reg_save_code
809 and reg_restore_code.
810 (save_call_clobbered_regs): Compute save_modes and update calls to
811 reg_save_code and reg_restore_code.
812 (insert_restore): Unsignetize numbers; use save_modes to choose mode
813 of spill; update use of reg_restore_code.
814 (insert_save): Likewise.
815 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
816 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
817 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
819 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
821 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
822 noce_try_store_flag_inc, noce_try_store_flag_mask,
823 noce_try_cmove_arith):
824 Use reversed_comparison_code instead of reverse_comparison and
825 can_reverse_comparison_p.
827 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
829 * jump.c (reversed_comparison_code_parts): Allow reversal of
830 unordered compares in -ffast-math mode; reverse ordered compares
831 for FP even w/o -ffast-math.
833 2001-02-27 Richard Henderson <rth@redhat.com>
835 * print-rtl.c (print_rtx) [i]: Don't print field five on
836 NOTEs other than NOTE_INSN_DELETED_LABEL.
838 2001-02-27 Zack Weinberg <zackw@stanford.edu>
840 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
841 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
843 2001-02-27 Diego Novillo <dnovillo@redhat.com>
845 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
846 even if walk_subtrees is 0.
847 * c-semantics.c (prune_unused_decls): Return a non-null value to
848 stop traversing the tree chain.
850 2001-02-27 DJ Delorie <dj@redhat.com>
852 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
853 register, *then* define it as the new CFA.
855 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
857 * pa.c (override_options): Promote -fpic to -fPIC.
858 (legitimize_pic_address): Simplify due to removal of
859 small PIC as a code generation option.
860 (secondary_reload_class): Similarly.
861 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
862 (PRINT_OPERAND_ADDRESS): Similarly.
863 * pa.md (various patterns): Similarly.
864 (small pic lo_sum pattern): Remove.
866 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
869 * md.texi (min, max): Document
871 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
873 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
874 TARGET_PARTIAL_REG_DEPENDENCY.
875 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
877 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
879 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
881 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
883 * mips.c (mips_make_temp_file): Fix thinko in last change.
885 2001-02-26 Jason Eckhardt <jle@redhat.com>
887 * combine.c (known_cond): Do not reverse the condition when
888 SMAX/UMAX is being considered and the condition is for equality
891 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
893 2001-02-26 Philip Blundell <philb@gnu.org>
895 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
897 * config/arm/linux-elf.h: Remove historical relics related to
898 above configurations.
899 * config/arm/linux-oldld.h: Delete.
900 * config/arm/linux-elf26.h: Delete.
902 2001-02-26 Jason Merrill <jason@redhat.com>
904 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
906 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
907 recognize a tentative definition. Lose obsolete code.
909 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
910 variables unless necessary, either.
912 2001-02-25 Richard Henderson <rth@redhat.com>
914 * ifcvt.c (struct noce_if_info): Add test_bb.
915 (noce_get_alt_condition): New.
916 (noce_try_minmax, noce_try_abs): New.
917 (noce_operand_ok): New.
918 (noce_process_if_block): Use them.
919 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
921 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
923 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
926 2001-02-25 Zack Weinberg <zackw@stanford.edu>
928 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
929 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
931 (mips_asm_file_end): Free temp_filename here.
933 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
935 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
936 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
938 * config/i386/i386.md (movstrsi): Handle FAIL case.
940 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
942 * cppinit.c (builtin_array): Update.
943 (init_builtins): Flag builtins to warn if redefined or
944 undefined. Define __GXX_WEAK as a normal macro.
945 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
946 * cpplib.h (NODE_WARN): New flag.
947 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
948 Handle __STDC__ as a builtin only on Solaris.
949 (warn_of_redefinition): Renamed from check_macro_definition.
950 Reverse sense of test. Always warn if NODE_WARN.
951 (_cpp_create_definition): Use warn_of_redefinition. Flag
952 any macro beginning with "__STDC_" to require a mandatory
953 warning if redefined or undefined.
955 2001-02-24 Zack Weinberg <zackw@stanford.edu>
957 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
958 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
959 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
960 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
961 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
962 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
964 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
965 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
966 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
967 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
968 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
970 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
971 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
974 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
975 Delete now-empty file.
977 * alpha/vms.h: Define NEED_ATEXIT here...
978 * alpha/xm-vms.h: ...not here.
980 * i386/cygwin.h: Don't define PARAMS.
981 * mips/mips.c: Don't prototype mktemp. Don't define
982 P_tmpdir. Use make_temp_file to create temporary files.
983 Don't be clever and delete temporary files early.
984 * config.gcc: Drop references to deleted files. Don't define
986 * gcc.texi: Don't mention USE_PROTOTYPES.
988 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
990 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
991 (ix86_set_move_mem_attrs_1): Likewise.
992 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
993 * config/i386/i386.md (movstrsi): Call it.
995 2001-02-24 Zack Weinberg <zackw@stanford.edu>
997 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
998 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
999 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
1000 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
1002 (i750a-*-*): Error here if hosting on i750a.
1003 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1005 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1006 Remove (empty modulo comments).
1008 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1009 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1010 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1011 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1012 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1013 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1015 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1016 Remove reference to winnt.h in comment.
1017 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1019 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1021 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1022 used to set another biv.
1024 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1026 * tree.h (BLOCK_DEAD): New macro.
1027 (struct tree_block): New flag, dead_flag.
1028 * print-tree.c (print_node, case 'b'): Print missing fields.
1029 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1030 * function.c (identify_blocks): Enable test for misplaced notes.
1031 (all_blocks): Skip BLOCK_DEAD blocks.
1032 * integrate.c (integrate_decl_tree): Likewise.
1034 * errors.c (internal_error, trim_filename): New functions.
1035 (fancy_abort): Call internal_error.
1036 * errors.h (internal_error, trim_filename): New declarations.
1038 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1040 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1042 (EXTRA_CONSTRAINT): Formatting changes.
1044 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1046 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1048 2001-02-23 Per Bothner <per@bothner.com>
1050 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1051 so they can be called from java/jvspec.c.
1052 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1054 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1056 * i386.c (ix86_frame): New structure.
1057 (ix86_compute_frame_size): Kill.
1058 (ix86_compute_frame_layout): New.
1059 (ix86_save_reg): New.
1060 (ix86_can_use_return_insn_p): Use frame layout stuff.
1061 (ix86_expand_prologue): Likewise.
1062 (ix86_expand_epilogue): Likewise.
1063 (ix86_initial_elimination_offset): Likewise.
1064 (ix86_nsaved_regs): Use ix86_save_reg.
1065 (ix86_emit_save_regs): Likewise.
1067 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1069 * flow.c (find_sub_basic_blocks): New function.
1070 (split_block): Be ready for basic block introduced by CODE_LABEL.
1071 (commit_one_edge_insertion): Call find_sub_basic_block.
1073 * flow.c (make_edges): Add edge from entry for blocks starting with
1074 label having ALTERNATE_NAME
1076 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1078 * function.c (epilogue_done): Be ready for first basic block not
1079 containing PROLOGUE_END note.
1080 (reposition_prologue_and_epilogue_notes): Avoid placing
1081 PROLOGUE_END note between BASIC_BLOCK.
1083 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1085 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1087 2001-02-21 DJ Delorie <dj@redhat.com>
1089 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1090 check for current_function_has_nonlocal_goto from 1999-11-12.
1092 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1094 * diagnostic.c (trim_filename): No longer static.
1095 * toplev.h (trim_filename): Declare.
1096 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1097 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1098 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1099 (rtvec_check_failed_bounds): Likewise.
1100 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1102 * convert.c (convert_to_integer): Don't do unsigned unless result or
1103 both inputs are unsigned.
1105 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1108 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1110 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1112 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1114 * Makefile.in (resource.o): Add params.h dependence.
1115 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1116 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1117 * resource.c: Add dependence on params.h.
1118 (current_live_regs): Fix explanatory comment.
1119 (find_basic_block): Add new parameter to permit limiting search
1121 (mark_target_live_regs): Add new argument to find_basic_block call.
1122 (incr_ticks_for_insn): Likewise.
1124 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1126 * diagnostic.c (output_to_stream): Rename to
1127 output_buffer_to_stream. Loses the stream parameter.
1128 (init_output_buffer): Set diagnosic_buffer's stream.
1129 (flush_diagnostic_buffer): Adjust.
1130 (default_print_error_function): Likewise.
1131 (finish_diagnostic): Likewise.
1132 (verbatim): Likewise.
1134 * diagnostic.h (struct output_buffer): Add `stream' field.
1135 (output_buffer_attached_stream): New macro.
1137 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1139 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1140 check if either operand is divisible by C.
1141 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1142 If type is signed, consider negative numbers as well.
1144 2001-02-22 Richard Henderson <rth@redhat.com>
1146 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1147 reach .text instead of gp-relative relocs.
1148 * config/ia64/crtend.asm (.init): Likewise.
1150 2001-02-22 Andreas Jaeger <aj@suse.de>
1152 * extend.texi (C++ Attributes): Fix typo.
1154 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1156 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1157 functions, drop current_function_args_info.words test.
1158 (ia64_compute_frame_size): Mark syscall_linkage functions as
1159 using eight input registers.
1161 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1162 Bruce Korb <bkorb@gnu.org>
1164 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1165 * fixinc/README: Document how to convert sed substitutions
1166 to format style c_fix-es.
1167 * fixinc/fixincl.x: regen
1169 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1171 * gcc.c: Add comment explaining how to add a command-line option.
1172 Add title to specs language comment.
1174 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1176 * gcc.c (cc1_options): Add "-param".
1177 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1178 (option_map): Likewise.
1179 * toplev.c (display_help): Add entry for "--param".
1180 (independent_decode_option): Fix typographical error.
1182 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1183 Bernd Schmidt <bernds@redhat.com>
1184 Jan Hubicka <jh@suse.cz>
1186 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1187 (function_arg): Likewise.
1189 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1191 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1193 2001-02-21 Kazu Hirata <kazu@hxi.com>
1195 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1199 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1201 * flow.c (init_propagate_block_info): Canon address and use single_set
1202 for killing dead memory stores.
1204 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1206 * Makefile.in (reorg.o): Add params.h dependence.
1207 * params.def: Fix typographical error in comment.
1208 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1209 * params.h: Modify introductory comment.
1210 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1211 * reorg.c: Add dependence on params.h.
1212 (redundant_insn): Add parameterized throttle for search.
1213 (fill_simple_delay_slots): Add a comment explaining a variable.
1214 Move conditional out of loop, simplifying code.
1215 (fill_eager_delay_slots): Fix typographical error in comment.
1217 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1219 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1221 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1222 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1224 2001-02-21 Jason Merrill <jason@redhat.com>
1226 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1227 (struct tree_decl): Add uninlinable bitfield.
1228 * c-decl.c (duplicate_decls): Set it.
1229 * integrate.c (function_cannot_inline_p): Check it.
1231 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1232 DW_AT_MIPS_linkage_name to abstract methods.
1233 (dwarf2out_abstract_function): Emit class context before calling
1234 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1235 (gen_subprogram_die): Remove obsolete code.
1236 (gen_member_die): Don't include clones in the member list.
1237 (gen_decl_die): Emit abstract info for clone origin.
1238 * dwarfout.c (output_type): Don't include clones in the member list.
1239 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1240 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1241 DECL_ABSTRACT on a function that already has it set.
1243 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1244 (get_subprogram_die): Pass it in.
1246 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1248 * flow.c (mark_set_1): Make not_dead unsigned long. For
1249 non-pseudos, use it as a bitmask of the hard regs that
1252 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1254 * cppfiles.c: Update comments.
1255 (_cpp_read_file): Don't check for NULL filenames any more.
1256 * cppinit.c (cpp_start_read): Don't do canonicalization of
1257 in_fname and out_fname. Use the passed file name exclusively.
1258 (_cpp_handle_options): Don't treat "-" as a command line option,
1259 but as a normal filename.
1260 (_cpp_post_options): Canonicalize in_fname and out_fname.
1261 * cppmain.c (printer_init): Don't check out_fname for NULL.
1262 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1263 (init_c_lex): Update, and use "" to represent stdin to CPP.
1266 2001-02-20 Will Cohen <wcohen@redhat.com>
1268 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1269 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1270 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1273 2001-02-20 Stan Shebs <shebs@apple.com>
1275 * config/rs6000/rs6000.c (output_cbranch): Output branches
1276 on separate lines instead of using ';' to separate.
1278 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1280 * cppinit.c (set_lang): Move builtin handling to...
1281 (init_builtins): ...here.
1282 (_cpp_create_reader): Move call to set_lang.
1284 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1286 * stmt.c (expand_return): If an attempt is made to return the
1287 error_mar_node, treat the return like a return without a value.
1289 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1291 * sibcall.c (skip_copy_to_return_value): Call
1292 identify_call_return_value here, and return orig_insn if it
1293 returns zero. Hardret and softret arguments now unnecessary.
1294 (call_ends_block_p): Don't call identify_call_return_value here.
1296 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1298 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1299 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1301 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1303 * pa.c (move_operand): Accept code to load the address of a
1304 symbol out of the DLT as a valid move operand.
1305 (print_operand, case 'A'): New to handle generating a DLT
1306 reference for a LO_SUM expression.
1307 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1308 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1310 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1312 * README, cpp.texi, gcc.texi, version.c: Update version number to
1314 * cpp.1, gcov.1, gcc.1: Regenerate.
1316 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1318 * cppfiles.c (stack_include_file): Generate dependencies
1319 here, and manage include_count here too.
1320 (PRINT_THIS_DEP): Delete.
1321 (_cpp_execute_include): Do not generate dependencies here,
1322 apart from the case of a missing header. Do not manage
1324 (_cpp_read_file): Leave dependency generation to
1327 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1329 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1330 target_cpu_default. Remove dead assignment to
1333 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1335 * regclass.c (contains_reg_of_mode): Make global.
1336 (init_reg_sets): Remove contains_reg_of_mode; take into account
1337 CLASS_MAX_NREGS when looking for the proper mode.
1338 (dump_regclass): Dump only classes considered for the pseudo.
1339 (regclass): Use contains_reg_of_mode.
1341 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1343 * gcc.c (do_spec_1): 'n' for printing notices.
1344 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1346 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1348 * reg-stack.c (next_flags_user): Use current_block->end
1349 (swap_rtx_condition): Look for next user if flags don't die;
1350 give up on CALL_INSNs; use current_block->end.
1352 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1354 * sibcall.c (call_ends_block_p): New function.
1355 (optimize_sibling_and_tail_recursive_call): Use it.
1357 2001-02-18 Kazu Hirata <kazu@hxi.com>
1359 * config/h8300/h8300.md: Update copyright.
1360 (andsi3): Do not output an extra newline character.
1362 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1364 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1365 FNDECL may be unused.
1367 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1368 follow jumps after first run.
1369 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1370 it doesn't change any jumps.
1372 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1374 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1375 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1376 (mostlyclean): Corresponding changes.
1377 * rtlanal.c (hard-reg-set.h): Include.
1378 (rtx_unstable_p): Do not treat the argument pointer specially
1379 if it is not a fixed register.
1380 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1382 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1384 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1385 against last real insn in basic block.
1386 Rework to avoid gotos.
1388 * Makefile.in (gcse.o): Now includes ggc.h.
1389 * gcse.c: Include ggc.h.
1390 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1391 (try_replace_reg): Remove warning of uninitialize variable.
1392 (process_insert_insn): Call invalid_insn_p to validate insn.
1393 * recog.c (insn_invalid_p): Now global.
1394 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1395 * recog.h (insn_invalid_p): New declaration.
1397 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1399 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1400 assignments from FP constants since 'Y' output code can't handle it.
1401 (eligible_for_sibcall_delay): Likewise.
1403 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1404 Call fancy_abort directly, passing args.
1405 (print_rtl_and_abort): Now a macro, like fancy_abort.
1407 * final.c (output_operand_lossage): Use internal_error, not error.
1409 2001-02-18 Shane Nay <shane@agendacomputing.com>
1411 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1412 structure shift insns.
1414 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1416 * invoke.texi (-fsquangle): Remove documentation.
1417 (-fname-mangling-version): Likewise.
1419 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1421 * optabs.c (expand_abs): Remove reference to
1422 HAVE_contitional_arithmetic.
1423 * combine.c (simplify_set): Likewise.
1425 2001-02-18 Richard Henderson <rth@redhat.com>
1427 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1430 2001-02-18 Richard Henderson <rth@redhat.com>
1432 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1434 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1436 * reload1.c (reload_cse_simplify_set): Fix typo.
1438 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1440 * diagnostic.c (_fatal_insn): Decrement errorcount.
1442 * invoke.texi (-I): Add note avoiding use for system header files.
1444 * rtl.h (add_clobbers): Remove duplicate declaration.
1445 * recog.h (added_clobbers_hard_reg_p): New declaration.
1446 * genemit.c (struct clobber_pat): New field has_hard_reg.
1447 (gen_insn): Record if added clobbers clobber hard reg.
1448 (gen_split): Avoid unused warning if number of operands is 0.
1449 (output_added_clobbers_hard_reg_p): New function.
1452 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1454 * pa.c (hppa_expand_prologue): Simplify code storing return
1455 pointer. For large (>=8k) frames with a post_store, adjust stack
1456 pointer by 8k-64 first rather than by 64. When testing with
1457 VAL_14_BITS_P, always use the actual value rather than the value
1458 negated. Add blockage to prevent scheduling of spills before
1459 stack frame has been created.
1460 (hppa_expand_epilogue): Simplify code loading return pointer.
1461 Allow a slightly larger range for merge_sp_adjust_with_load case.
1462 When testing with VAL_14_BITS_P, always use the actual value.
1464 * pa.c (pa_adjust_insn_length): Check that block move
1465 pattern is a set before looking at operands.
1467 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1469 * fold-const.c (fold_binary_op_with_conditional_arg): New
1470 function, split out from ...
1472 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1473 conditional arms that throw exceptions.
1475 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1478 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1480 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1481 define HAVE_DECL_* to 1 to mask potential backup declarations.
1482 * configure: Regenerated.
1484 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1486 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1488 2001-02-17 Richard Henderson <rth@redhat.com>
1490 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1491 when replacing a memory load with a register.
1493 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1494 Jan Hubicka <jh@suse.cz>
1496 * recog.c (validate_replace_src_1): New.
1497 (validate_replace_src_data): Likewise.
1498 (validate_replace_src): Use note_uses.
1499 * rtl.h (note_uses): Declare.
1500 * rtlanal.c (note_uses): New.
1502 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1504 * reg-stack.c (stack_def): Make field reg unsigned.
1505 (remove_regno_note): Unsignetize parameter.
1507 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1509 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1510 shladd_operand() call.
1512 2001-02-16 Bruce Korb <bkorb@gnu.org>
1513 Rodney Brown <RodneyBrown@mynd.com>
1515 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1516 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1517 machine restrictions
1518 * fixinc/fixincl.x: regen
1520 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1522 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1524 (hash_scan_insn): Clean up calls to hash_scan_set.
1525 (compute_kill_rd): REGNO now unsigned.
1526 (try_replace_reg): Rework to use simplify_replace_rtx.
1527 (cprop_jump, cprop_cc0_jump): Likewise.
1528 (cprop_insn): Call find_reg_equal_equiv_note.
1529 Reflect changes to cprop_jump and cprop_cc0_jump.
1531 * recog.c (validate_replace_src): Replace in operands of
1532 ZERO_EXTRACT in SET_DEST.
1534 * cse.c (new_label_ref): New variable.
1535 (insert): Set it instead of recorded_label_ref.
1536 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1537 CODE_LABEL for this function, and not already in REG_LABEL note.
1539 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1541 * resource.c (mark_referenced_resources): Fix typo in introductory
1543 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1546 2001-02-16 Jason Merrill <jason@redhat.com>
1548 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1550 (gen_subprogram_die): Don't abort on seeing a second definition if
1551 the previous one was abstract. Don't replace an abstract instance
1552 in the lookup table.
1554 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1555 gen_abstract_function.
1556 * dwarf2out.h: Declare it.
1557 * toplev.c (note_outlining_of_inline_function): New fn.
1558 * toplev.h: Declare it.
1559 * integrate.c (output_inline_function): Call it.
1560 * c-decl.c (duplicate_decls): Call it when redefining an extern
1561 inline. Don't inline the new defn.
1563 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1565 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1567 * .gdbinit: Rename to gdbinit.in.
1568 * gdbinit.in: New file,
1569 * configure.in: Generate .gdbinit from gdbinit.in.
1570 * configure: Regenerated.
1571 * Makefile.in (distclean): Always remove .gdbinit.
1573 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1575 * objc/objc-act.c (start_class): Register implemented_classes with
1578 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1580 * cppfiles.c (_cpp_make_system_header): Generate a file
1583 2001-02-15 Jim Meyering <meyering@lucent.com>
1585 * Makefile.in (install-common): Don't depend on installdirs here.
1586 Instead, make each of the lang.install-common targets (e.g.,
1587 c++.install-common in cp/Make-lang.in) depend on it.
1588 (install-driver): Depend on installdirs.
1590 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1592 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1594 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1597 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1599 * invoke.texi (--param): Document.
1601 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1603 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1605 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1607 * i386.md (extendsfdf2_2): Fix constraints.
1609 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1611 * i386.md (fop_df_3 splitter): Fix operand number.
1613 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1615 * invoke.texi (-mreg-alloc): Nuke.
1616 * i386.c (ix86_reg_alloc_order, regs_allocated,
1617 order_regs_for_local_alloc): Nuke.
1618 (override_options): Kill reg_alloc code.
1619 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1620 (REG_ALLOC_ORDER): SSE goes before I387.
1621 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1622 (ix86_reg_alloc_order): Likewise.
1623 * i386-protos.h (ix86_reg_alloc_order): Kill.
1625 2001-02-14 Richard Henderson <rth@redhat.com>
1627 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1629 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1631 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1633 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1635 * i386-protos.h (ix86_memory_move_cost): Move offline.
1636 * i386.c (ix86_register_move_cost): Compute properly cost of
1637 SSE, MMX and i387 instructions.
1638 (*_cost): Add costs of SSE/MMX moves.
1639 (ix86_memory_move_cost): Move offline from ....; Likewise.
1640 * i386.h (MEMORY_MOVE_COST): .... here;
1641 (struct processor costs): Add new fields to represent costs
1644 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1646 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1647 move_cost together with Matt Kraai's fix.
1649 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1651 * Makefile.in (OBJS): Add params.o.
1653 2001-02-14 Richard Henderson <rth@redhat.com>
1654 DJ Delorie <dj@redhat.com>
1656 * jump.c (jump_optimize_1): When we delete a conditional jump
1657 preceeding a non-conditional jump to effectively the same place,
1658 make sure that the combined jump skips any clobber insns between
1661 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1663 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1665 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1667 * Makefile.in (toplev.o): Depend on params.h.
1668 (intergate.o): Likewise.
1669 (params.o): New target.
1670 * flags.h (inline_max_insns): Remove.
1671 * integrate.c: Include params.h.
1672 Use MAX_INLINE_INSNS instead of inline_max_insns.
1673 * params.c: New file.
1674 * params.h: Likewise.
1675 * params.def: Likewise.
1676 * toplev.c: Include params.h.
1677 (lang_independent_params): New variable.
1678 (decode_f_option): Use the param machinery instead of setting
1680 (independent_decode_option): Handle "--param name=value".
1681 (main): Register language-independent parameters.
1683 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1685 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1687 2001-02-14 Richard Henderson <rth@redhat.com>
1689 * regclass.c (init_reg_sets_1): Revert last two changes.
1691 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1693 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1694 (variable_size): Call put_pending_size.
1695 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1696 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1697 sizes list, put newly created SAVE_EXPR there as well.
1699 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1701 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1702 (errata_find_address_regs): load_group has only 2 entries.
1703 (errata_emit_nops): Likewise. shladd is not problematic.
1704 Clear last_group if nop was emitted.
1705 (fixup_errata): load_group has only 2 entries.
1708 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1710 * c-lex.c (lex_number): Only warn traditionally for U suffix
1711 outside system macros.
1712 * cppexp.c (parse_number): Similarly.
1713 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1714 * cppmacro.c (struct cpp_macro): New member node.
1715 (parse_args): Only warn about missing rest args if not
1717 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1718 (cpp_sys_objmacro_p): New.
1719 (_cpp_create_definition): Store the node with the macro defn.
1720 Remember if the macro is defined in a system header.
1722 2001-02-13 DJ Delorie <dj@redhat.com>
1724 * configure.in (check_languages): determine languages to check
1725 * Makefile.in (check-c++): alias for check-g++
1726 (check-f77): alias for check-g77
1727 (CHECK_TARGETS): depend on configured languages
1729 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1731 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1732 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1733 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1734 (sqrtextendsfdf2): Disable for SSE2.
1736 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1738 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1739 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1740 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1741 (sqrtextendsfdf2): Disable for SSE2.
1743 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1745 * i386.md (movsfcc_1): Support integer cmove instruction.
1746 (movdfcc_1): Likewise; new splitter.
1748 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1750 * i386.c (output_fp_compare): Support SSE.
1751 (prepare_fp_compare_args): SSE comparisons always support memory.
1752 * i386.h (TARGET_CMOVE): SSE imply cmove.
1753 * i386.md (cmp?f2): Enable for SSE too.
1754 (cmpfp_i*): Support SSE.
1756 (cmpfp_i_sse_only): New.
1757 (s*, b* fp expanters): Enable for SSE too.
1758 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1761 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1763 * regclass.c (init_reg_sets_1): Silence warning.
1765 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1767 * i386.md (sqrt?f2): Change to expander.
1768 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1770 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1772 * rtlanal.c (find_reg_equal_equiv_note): New function.
1773 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1774 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1775 * rtl.h: Add declarations for above functions.
1777 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1779 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1781 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1782 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1783 * flow.c (mark_regs_live_at_end): Likewise.
1784 (calculate_global_regs_live): Likewise.
1785 * gcse.c (compute_hash_table): Likewise.
1786 (compute_kill_rd): Likewise.
1787 * resource.c (mark_target_live_regs): Likewise.
1788 * rtl.h (INVALID_REGNUM): New macro.
1790 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1792 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1794 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1796 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1799 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1801 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1803 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1804 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1805 (fop_sf_1_sse, fop_df_1_sse): New patterns
1806 (fop_*): Disable float_extend and float patterns for SSE compilation.
1807 * i386.c (output_387_binary_op): Support SSE.
1809 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1811 * i386.md (dummy_extendsfdf2): Support SSE2
1812 (extendsfdf2): Enable if 80387 or SSE2.
1813 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1814 and no MIX_I387_SSE2
1815 (extendsfdf2_1_sse_only): New pattern.
1816 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1818 (truncdfsf2_1): Support SSE.
1819 (truncdfsf2_2): Support SSE.
1820 (truncdfsf2_2_1_sse): New pattern.
1821 (fixtruncsfsi2): Always use SSE if available.
1822 (fix_truncsfsi_sse): New pattern.
1823 (fix_truncdfsi_sse): New pattern.
1824 (floatsis?f2): Support SSE.
1825 (floatsidf2_i387): New pattern.
1826 (floatsidf2_sse): Likewise.
1828 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1830 * configure.in: Use "have_gnat" variable, not "gnat".
1831 * configure: Regenerated.
1833 * config/sparc/sparc.c (function_value): Treat all non-record
1834 aggregate types like used to treat UNION_TYPE.
1836 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1838 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1839 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1841 (MASK_MIX_SSE_I387): New.
1842 (TARGET_SSE): SSE2 imply SSE.
1843 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1844 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1845 (enum reg_class): Add new classes.
1846 (REG_CLASS_NAMES): Likewise.
1847 (REG_CLASS_CONTENTS): Likewise.
1848 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1849 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1850 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1851 (CLASS_MAX_NREGS): Use new macros.
1852 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1853 * i386.md (pushsf, movsf): Support SSE.
1854 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1855 splitters to use ANY_FP_REGNO_P.
1856 (movdf_nointeger, movdf_integer): Likewise.
1858 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1860 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1861 (try_combine): Use it.
1863 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1865 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1866 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1867 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1868 (REGISTER_MOVE_COST): Likewise.
1869 * i386-protos.h (ix86_secondary_memory_needed,
1870 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1871 * i386.c (ix86_secondary_memory_needed,
1872 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1874 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1876 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1877 (HARD_REGNO_MODE_OK): Move offline to ....
1878 * i386.c (ix86_hard_regno_mode_ok) ... here;
1879 refuse all incorrect modes.
1880 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1882 2001-02-13 Richard Henderson <rth@redhat.com>
1884 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1885 entire operator; replicate that and match_dup the operands.
1886 (cmp_ccx_arith_op_set): Likewise.
1887 (cmp_cc_arith_op_not_set): Likewise.
1888 (cmp_ccx_arith_op_not_set): Likewise.
1890 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1892 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1894 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1896 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1897 (TARGET_NO_BITFIELD_WORD): New macro.
1898 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1899 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1901 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1903 * cselib.c: New file, from simplify-rtx.c.
1904 * simplify-rtx.c: Remove cselib parts.
1905 * Makefile.in: Add cselib.o.
1907 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1909 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1910 (setup_incoming_varargs): Remove warning.
1912 * config/rs6000/rs6000.c (validate_condition_mode): When
1913 flag_fast_math, allow floating-point conditionals to be reversed.
1914 (rs6000_generate_compare): When flag_fast_math, don't generate
1915 cror operations for FP conditionals.
1917 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1919 (ASM_SPEC): Likewise.
1920 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1921 (CC1_SPEC): Likewise.
1922 (LINK_TARGET_SPEC): Likewise.
1923 (CPP_ENDIAN_SPEC): Likewise.
1924 * Makefile.in (check-consistency): New target.
1926 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1928 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1929 "return type defaults" warning for functions with return type
1931 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1932 function declarations by default rather than only when pedantic.
1934 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1936 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1939 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1941 * extend.texi (Deprecated): Deprecate new initializer lists.
1943 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1945 * mkdeps.c (deps_add_default_target): Robustify. Add
1946 basename component only.
1947 * cpp.texi (-M): Describe how default target is generated.
1948 * invoke.texi (-M): Likewise.
1950 2001-02-12 Kazu Hirata <kazu@hxi.com>
1952 * toplev.c (push_float_handler): Remove.
1953 (pop_float_handler): Remove.
1954 * toplev.h: Remove prototypes for the above functions.
1956 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1958 * c-common.c (constant_fits_type_p): New function.
1959 (convert_and_check): Use it.
1961 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1963 * Makefile.in (GXX_ABI_FLAG): Don't define.
1964 * configure.in (--enable-new-gxx-abi): Remove option.
1965 * config.in: Regenerated.
1966 * configure: Likewise.
1968 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1970 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1972 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1973 regular basic block, and arrange for all edges into it to switch
1976 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1978 * Makefile.in (distclean): Do not remove .gdbinit.
1980 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1982 * Makefile.in (gcc.o): Fix typos.
1983 (protize.o): Likewise.
1984 (unprotoize.o): Likewise.
1986 2001-02-11 Richard Henderson <rth@redhat.com>
1988 * tree.c (build1): Check for null operand in last change.
1990 2001-02-11 Richard Henderson <rth@redhat.com>
1992 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1993 (fold): Don't assume a constant isn't foldable.
1994 * tree.c (build): Set TREE_CONSTANT for an expression with no
1995 side-effects and constant operands.
1998 2001-02-10 Richard Henderson <rth@redhat.com>
2000 * jump.c (squeeze_notes): Revert 2000-05-12 change.
2002 2001-02-10 Anthony Green <green@redhat.com>
2004 * cpp.texi (Standard Predefined): Add documentation for
2007 * c-common.c (combine_strings): Improve warning message.
2009 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2011 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2013 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2015 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2017 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2020 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2022 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2025 2001-02-09 Nick Clifton <nickc@redhat.com>
2027 * config/arm/arm.md: Change output contraint on post inc
2028 load/store multiple patterns to be a read/write contraint.
2030 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2032 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2033 .o files when using the -M options.
2035 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2036 David Edelsohn <edelsohn@gnu.org>
2038 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2039 handle DImode constants. Use one TOC entry for SImode and smaller
2040 constants, aligned properly.
2042 2001-02-08 Jason Merrill <jason@redhat.com>
2044 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2045 about the SP adjustment for saving the static chain pointer.
2046 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2047 offset when setting a temporary CFA register.
2049 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2051 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2052 powerpc-*-chorusos* .
2053 * config/rs6000/chorus.h : New file.
2054 * config/i386/chorus.h : New file.
2055 * config/sparc/chorus.h : New file.
2056 * config/sparc/t-chorus-elf : New file.
2058 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2060 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2061 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2062 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2063 (__WCHAR_TYPE__): Correct macro name.
2065 2001-02-08 Richard Henderson <rth@redhat.com>
2067 * config/i386/i386.c (ix86_frame_pointer_required): New.
2068 (ix86_setup_frame_addresses): New.
2069 (struct machine_funciton): Add accesses_prev_frame.
2070 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2071 ix86_frame_pointer_required.
2072 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2073 (SETUP_FRAME_ADDRESSES): New.
2074 * config/i386/i386-protos.h: Update.
2075 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2076 from FRAME_POINTER_REQUIRED.
2077 * config/i386/svr3gas.h: Likewise.
2078 * config/i386/sysv3.h: Likewise.
2079 * config/i386/v3gas.h: Likewise.
2081 2001-02-08 Richard Henderson <rth@redhat.com>
2083 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2084 calculation of the number of integer registers required.
2085 (function_arg_record_value): Likewise.
2087 2001-02-08 Jason Merrill <jason@redhat.com>
2089 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2090 two. Print file and line with "confused" message.
2092 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2094 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2096 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2098 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2100 * final.c (cleanup_subreg_operands): The address of a MEM can
2103 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2106 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2108 * gcc.texi (Incompatibilities): Update documentation of
2109 preprocessing numbers.
2111 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2113 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2115 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2117 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2119 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2120 * gcc.c (struct compiler): Add cpp_spec field.
2121 (input_file_compiler): New variable.
2122 (do_spec_1): Allow a particular compiler to handle `%C'
2124 (main): Store the current compiler in input_file_compiler.
2125 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2127 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2129 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2130 * cppinit.c (cpp_create_reader): Initialize them.
2131 (append_include_chain): cxx_aware arg might be unused.
2132 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2133 keywords and give them their phase 7 meaning. Pedwarn about
2134 this unless '__bool_true_false_are_defined' is defined.
2136 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2138 * lcm.c (optimize_mode_switching): Emit mode_set before the
2139 JUMP_INSN of an abnormal edge.
2141 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2143 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2144 a scheduling barrier at the end.
2146 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2148 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2150 * config/sh/sh.md (reload_outsf): Removed.
2151 (movsf_ie): Introduce constraints for FPUL loads and stores.
2152 (reload_insf): Broaden the output constraint.
2154 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2156 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2157 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2159 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2161 * final.c: Revert my previous changes.
2162 * output.h: Make profile_label_no extern.
2163 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2164 for generating label.
2166 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2168 * config/i386/djgpp.h: Add comments about standard paths.
2169 (MD_EXEC_PREFIX): Undefine before defining.
2170 (MD_STARTFILE_PREFIX): New.
2172 2001-01-30 Bruce Korb <bkorb@gnu.org>
2174 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2175 (load_file): do not rely on load_file_data() to close file pointer
2176 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2177 fixinc/inclhack.def(irix_limits_const): add test_text
2179 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2181 * cppexp.c (parse_defined): Improve diagnostics for invalid
2184 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2186 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2188 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2190 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2191 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2192 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2193 (rs6000_output_symbol_ref): New function.
2194 (output_toc): Use VTABLE_NAME_P.
2196 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2198 * print-tree.c (print_node, case PARM_DECL):
2199 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2201 * stor-layout.c (reference_types_internal): New variable.
2202 (internal_reference_types): New function.
2203 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2204 * tree.h (internal_reference_types): New declaration.
2206 * cse.c (find_best_addr): Fix typo in computing cost.
2208 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2210 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2211 and this is the sum of a pointer and a constant, we know the result
2213 (num_sign_bit_copies, case PLUS): Likewise.
2214 * explow.c (convert_memory_address): Remove opposite SUBREG.
2215 * function.c (instantiate_new_reg): New function (from common code).
2216 (instantiate_virtual_regs_1): Call it.
2217 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2218 if pointers sign- or zero-extend.
2219 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2220 If pointers extend unsigned, use inside of SUBREG.
2221 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2223 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2225 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2226 subdir of gcc_gxx_include_dir.
2227 (gcc_gxx_target_include_dir): Remove.
2229 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2231 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2232 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2233 a high-level description.
2235 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2237 * final.c: Move the declaration of profile_label_no to ...
2238 * output.h: ... here.
2239 * function.c (expand_function_start): Call PROFILE_HOOK.
2240 * config/rs6000/aix.h: Define PROFILE_HOOK.
2241 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2242 * config/rs6000/rs6000.c (output_profile_hook): Define.
2243 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2244 output_profile_hook.
2245 tm.texi : Explain new macro PROFILE_HOOK.
2247 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2249 * extend.texi (Extended Asm): Do not say that semicolon is always
2250 a valid line-breaking character for GNU assemblers. Use
2251 newline-tab as the most commonly supported syntax. Use
2252 newline-tab rather than semicolon in multi-insn examples.
2254 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2256 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2258 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2259 David Edelsohn <edelsohn@gnu.org>
2261 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2262 code for AIX, even without flag_pic.
2264 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2266 * c-typeck.c (common_type): push and pop binding level around
2267 calling common_type on function parameters.
2269 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2271 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2273 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2275 * config/mips/mips.c (override_options): Fix typo in last change.
2276 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2277 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2279 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2281 * invoke.texi (-fdump-class-layout): Document.
2282 (-fdump-translation-unit): Use `=' as filename separator.
2284 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2286 * Makefile.in (s-mlib): Don't build multilibs if
2288 (DRIVER_DEFINES): Adjust accordingly.
2290 (protoize.o): Likewise.
2291 (unprotoize.o): Likewise.
2292 * configure.in: Recognize --enable-multilib.
2294 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2296 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2298 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2299 * configure.in: Remove --enable-libstdcxx_v3 support.
2300 * configure: Regenerated.
2302 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2304 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2305 Call abort instead of fatal.
2306 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2307 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2308 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2309 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2310 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2311 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2313 * diagnostic.h (set_internal_error_function): Renamed.
2314 * toplev.h (internal_error): Renamed from fatal.
2315 (pfatal_with_name): Deleted.
2316 (fatal_io_error): Now has printf-style arguments.
2317 * diagnostic.c (pfatal_with_name): Deleted.
2318 (fatal_io_error): Rework to have args in printf-style.
2319 (set_internal_error_function): Renamed from set_fatal_function.
2320 (internal_error): Renamed from fatal.
2321 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2322 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2323 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2324 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2325 * flow.c (verify_flow_info): Likewise.
2326 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2327 * config/mips/mips.c (save_restore_insns): Likewise.
2329 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2330 * flow.c (verify_flow_info): Likewise.
2331 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2332 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2333 (avr_normalize_condition): Likewise.
2334 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2335 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2336 (limit_reload_class, double_reg_to_memory): Likewise.
2337 (print_operand_address, emit_1600_code_shift): Likewise.
2338 (gen_tst_reg, gen_compare_reg): Likewise.
2339 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2340 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2342 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2344 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2345 * objc/objc-act.c (build_ivar_chain): Likewise.
2346 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2348 * graph.c (clean_graph_dump_file): Likewise.
2349 * profile.c (init_branch_prob): Likewise.
2350 * objc/objc-act.c (objc_init): Likewise.
2352 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2353 * config/avr/avr.c (avr_override_options): Likewise.
2354 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2355 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2356 * config/h8300/h8300.c (h8300_init_once): Likewise.
2357 * config/mips/mips.c (override_options): Likewise.
2358 * config/i386/i386.c (override_options): Likewise, rework.
2359 * config/m68k/m68k.c (override_options): Likewise.
2361 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2363 * config/mips/mips.c (print_operand): Likewise.
2364 * hash.c (hash_allocate): Don't check for failure returns from
2365 obstack functions that can't fail.
2366 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2367 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2368 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2369 (get_object_reference): Likewise.
2371 2001-02-04 Nick Clifton <nickc@redhat.com>
2373 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2374 StrongARM1110, 10TDMI, and 1020T.
2376 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2378 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2380 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2382 * config/sh/sh.md (movdf load split): Pass register number to
2383 FP_OR_XD_REGISTER_P.
2385 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2387 * cppinit.c (BC): New macro.
2388 (builtin_array): Add __GXX_WEAK__.
2389 * cpplib.h (builtin_type): Add BT_WEAK.
2390 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2391 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2392 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2394 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2396 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2398 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2400 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2401 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2403 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2405 * cpphash.h: Rename ALIGN _ALIGN.
2406 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2408 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2410 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2411 compilation environment.
2412 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2413 control over location of cygwin includes and libs.
2415 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2417 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2419 2001-02-02 lars brinkhoff <lars@nocrew.org>
2421 * md.texi (Standard Names): remove reference to spur.md.
2423 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2425 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2426 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2427 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2428 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2429 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2431 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2433 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2434 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2435 number before reload.
2436 (c4x_adjust_cost): Return zero before reload.
2437 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2438 split before reload.
2440 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2442 * c4x.c (c4x_hard_regno_rename_ok): New.
2443 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2444 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2446 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2448 * diagnostic.h: Add missing "extern" in all declarations.
2450 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2452 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2453 as for gcc_gxx_include_dir.
2455 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2457 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2459 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2461 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2462 label before alignment to be used as the braf base address.
2463 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2465 (casesi_jump_2): Require at least TARGET_SH2.
2467 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2468 truncation to 32-bit doubles on -m3e and -m4-single-only.
2470 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2472 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2473 the default when building a shared object.
2474 (init_spec): Use it.
2475 * testsuite/lib/g++.exp: Include the directory where libgcc
2476 is located to the LD_LIBRARY_PATH list.
2477 * invoke.texi (-shared-libgcc): Document the cases in which
2478 GCC defaults to using the shared libgcc.
2480 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2482 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2483 unsigned is wide enough.
2485 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2486 (si_to_float): Likewise.
2487 (float_to_si, float_to_usi): Use BITS_PER_SI.
2489 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2491 * dwarf2out.c: Added explanation of abbreviations.
2492 (def_cfa_1): Added comments listing DWARF2 instructions.
2493 (cfa_temp_reg): Removed in favor of cfa_temp.
2494 (cfa_temp_value): Removed in favor of cfa_temp.
2495 (cfa_temp): New global variable.
2496 (dwarf2out_frame_debug_expr): Added extensive introductory
2497 comments explaining the function's transformations. Revised to
2498 use cfa_temp. Added some rtx checking. Generalize IOR case.
2499 (dwarf2out_frame_debug): Revised to use cfa_temp.
2500 (output_aranges): Cast as "unsigned" to avoid warning.
2501 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2502 explain which instructions must be marked.
2504 2001-02-01 Richard Henderson <rth@redhat.com>
2506 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2509 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2511 * config/sh/crt1.asm (main_k): Modified so that start calls
2512 ___setup_argv_and_call_main.
2514 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2516 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2517 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2518 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2519 * cppmacro.c (builtin_macro): Set builtin flags here.
2520 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2521 (replace_args): Clarify intent.
2522 (cpp_get_token): Macro expansion tokens get the saved flags.
2524 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2527 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2529 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2532 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2534 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2535 returns Pmode pseudo, but we need ptr_mode.
2536 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2537 Remove bogus conversions; use HOST_WIDE_INT for size.
2538 Don't use TARGET if wrong mode.
2540 * config/i386/i386.c (ix86_compute_frame_size): Allow
2541 stack_alignment_needed to be non-default even if size is zero.
2543 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2545 * (hppa_init_pic_save): Emit the pic offset table
2546 reg save after last_parm_insn.
2547 * pa.c (hppa_init_pic_save): New function.
2548 * pa.h (hppa_init_pic_save): Declare.
2549 * pa.md (call, call_value, sibcall, sibcall_value): Use
2550 the above instead of duplicated code.
2552 * pa.c (hppa_encode_label): Correct size of alloca buffer
2553 so we don't overrun it. Correct leading `*' case.
2554 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2555 need to handle `*@'.
2556 (FUNCTION_NAME_P): Likewise.
2558 2001-01-31 Richard Henderson <rth@redhat.com>
2560 * config.gcc (alpha-osf5): Use float-i128.h.
2562 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2563 * config/float-i32.h: Likewise.
2564 * config/float-i64.h: Likewise.
2565 * config/float-sh.h: Likewise.
2566 * config/float-sparc.h: Likewise.
2568 2001-01-31 DJ Delorie <dj@redhat.com>
2570 * expmed.c (extract_bit_field): allow non-integral modes if we
2571 want to extract a whole register from itself.
2573 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2575 * c-typeck.c (set_init_index): If first is equal to last, assume as
2576 if it was not a range at all.
2578 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2580 * config/fp-bit.c: Include tm.h.
2581 (float_to_si): Don't assume SImode is 32-bits wide.
2582 (float_to_usi): Likewise.
2584 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2586 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2588 (typename): Call pending_xref_error after parsing typed_typespecs.
2589 * c-decl.c (lookup_tag): Give error immediately rather than
2590 leaving it pending if the tag of the wrong type is in the same
2592 (xref_tag): Don't pedwarn for forward declarations of enum types
2594 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2597 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2599 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2601 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2603 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2604 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2606 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2608 * cpphash.h (struct cpp_reader): New saved_flags.
2609 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2610 to avoid a paste after a pasted token.
2612 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2614 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2615 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2616 Wtype_MIN instead of LONG_MIN.
2618 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2620 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2622 * fixinc/fixincl.x: Regenerated.
2623 * fixinc/inclhack.def (irix_limits_const): New definition to
2624 convert "const" to "__const" in limits.h.
2626 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2628 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2630 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2632 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2633 when register dies in the insn.
2635 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2637 * diagnostic.c (fatal): Fix word wrap.
2639 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2641 * combine.c (try_combine): Fix SUBREG setting for
2642 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2644 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2646 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2649 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2651 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2653 * toplev.c (decode_W_option): Update warn_larger_than
2654 unconditionally for each processed switch.
2656 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2658 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2660 (hppa_expand_prologue): Delete code to save pic offset table register
2661 in the function prologue.
2662 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2663 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2664 table register at the beginning of the function after the prologue.
2666 2001-01-29 lars brinkhoff <lars@nocrew.org>
2668 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2670 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2671 Jeff Law <law@redhat.com>
2673 * pa.md (return): Revise comment for trivial return.
2674 (return_internal): Non-trivial return pattern for non-PIC code.
2675 (return_internal_pic): Non-trivial return pattern for PIC code.
2676 It uses the PIC register to ensure it is restored after
2678 (epilogue): Generate appropriate return for PIC and non-PIC code.
2680 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2682 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2684 2001-01-29 DJ Delorie <dj@redhat.com>
2686 * combine.c (if_then_else_cond): Pass the correct mode to
2687 operand_subword() for constants.
2689 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2691 * config/i386/cygwin.h: Add w32api to include search. Search different
2692 directories in a cross-build environment.
2694 2001-11-29 Tim Josling <tej@melbpc.org.au>
2696 * tree.h (TYPE_STUB_DECL): Add documentation.
2698 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2700 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2701 (sdbout_field_types): Likwise. Fix use of host_integerp.
2703 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2705 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2708 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2710 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2711 to use flag_gnu_linker.
2713 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2715 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2716 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2718 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2720 * tree.c, tree.h (build_parse_node): Remove; was identical to
2722 * c-lang.c (start_cdtor), objc/objc-act.c
2723 (build_module_descriptor): Use build_nt instead of
2726 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2728 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2729 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2730 not have any upper bits set.
2732 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2734 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2736 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2738 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2740 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2742 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2743 (integer_minus_one_node): Define.
2745 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2747 * Makefile.in (bootstrap2-lean): Fix typo.
2749 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2751 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2752 : Don't set fe_value.
2753 * cpplib.h (AVOID_LPASTE): New flag.
2754 (struct cpp_hashnode): Remove fe_value.
2755 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2756 * cppmacro.c (builtin_macro): Don't set flags here.
2757 (replace_args): Set AVOID_LPASTE flag on first token of an
2758 argument, and the token following it.
2759 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2760 macro expansion, and on the token following it. Do it for
2762 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2764 2001-01-27 Richard Henderson <rth@redhat.com>
2766 * config/alpha/t-ieee: Remove multilibbing.
2767 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2769 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2771 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2773 * Makefile.in: Remove all dependencies on defaults.h.
2774 * builtins.c: Don't include defaults.h.
2775 * c-common.c: Likewise.
2776 * c-decl.c: Likewise.
2777 * c-pragma.c: Likewise.
2778 * c-typeck.c: Likewise.
2779 * combine.c: Likewise.
2781 * frame-ia64.c: Likewise.
2782 * cppexp.c: Likewise.
2783 * crtstuff.c: Likewise.
2784 * dbxout.c: Likewise.
2785 * dwarf2out.c: Likewise.
2786 * dwarfout.c: Likewise.
2787 * emit-rtl.c: Likewise.
2788 * except.c: Likewise.
2790 * final.c: Likewise.
2791 * frame-dwarf2.c: Likewise.
2792 * libgcc2.c: Likewise.
2793 * optabs.c: Likewise.
2794 * profile.c: Likewise.
2795 * sdbout.c: Likewise.
2796 * toplev.c: Likewise.
2797 * tradcif.y: Likewise.
2799 * varasm.c: Likewise.
2801 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2803 * builtins.c (expand_builtin_fputs): Use size_one_node when
2804 transforming into fwrite.
2806 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2808 * extend.texi (Attribute Syntax): New section.
2810 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2812 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2813 they didn't need fixing.
2815 2001-01-27 Janis Johnson <janis@us.ibm.com>
2817 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2819 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2820 to remove macro definitions that are duplicated from elfos.h.
2822 2001-01-27 Richard Henderson <rth@redhat.com>
2824 * config/i386/sco5gas.h: Move ...
2825 * config/usegas.h: ... here.
2826 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2828 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2830 * c-typeck.c (struct constructor_stack): Add range_stack member.
2831 (really_start_incremental_init): Clear it.
2832 (push_init_level): Save constructor_range_stack and clear it if
2833 pushing explicit braces.
2834 (pop_init_level): abort if constructor_range_stack is non-zero at
2835 explicit closing brace. Restore saved constructor_range_stack if
2838 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2840 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2841 into register was forced into memory.
2843 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2845 * Makefile.in: Remove uses of + before $(MAKE).
2847 2001-01-26 Richard Henderson <rth@redhat.com>
2849 * stmt.c (cost_table): Remove.
2850 (COST_TABLE, cost_table_initialized): New.
2851 (estimate_case_costs): Use the later instead of the former.
2852 (balance_case_nodes): Likewise.
2854 2001-01-26 Richard Henderson <rth@redhat.com>
2856 * alias.c (objects_must_conflict_p): Read-only slots may not
2857 conflict despite having the same type.
2859 2001-01-27 Michael Hayes <mhayes@redhat.com>
2861 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2863 (check_ext_dependant_givs): Initialise u_start_val and
2865 (load_mems): Make last_max_reg unsigned.
2866 (try_swap_copy_prop): Use INSN_P and initialise set.
2868 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2870 * README.AVR : Removed.
2872 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2874 * pa-64.h (text_section): Remove declaration.
2876 * pa.md (return_internal): Remove mode on PIC register use.
2878 2001-01-25 lars brinkhoff <lars@nocrew.org>
2880 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2881 ASM_CLOSE_PAREN): fix typos.
2883 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2885 * acconfig.h: Define `const' to the empty string if neither
2886 __STDC__ nor __cplusplus is defined.
2887 * config.in: Regenerated.
2889 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2891 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2892 * collect2.c (main): Delete importf. Add ".obj" file extension.
2893 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2894 (aix_std_libs): Add additional AIX libraries to skip.
2895 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2896 * config/rs6000/aix51.h: New file.
2898 2001-01-25 Michael Hayes <mhayes@redhat.com>
2900 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2901 (loop_insn_emit_before): No longer static.
2902 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2903 (loop_givs_rescan, load_mems): Likewise.
2904 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2905 (maybe_eliminate_biv_1):
2906 (move_movables): Replace emit_call_insn_before with
2907 loop_call_insn_hoist.
2908 * loop.h (loop_insn_emit_before): Add.
2909 * unroll.c (copy_loop_body): Replace emit_insn_before with
2910 loop_insn_emit_before.
2912 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2914 * diagnostic.c (fatal): Request preprocessed source.
2916 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2918 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2919 olddecl has argument types and newdecl has none, use the argument
2922 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2924 * dwarf2out.c (prefix_of): New function. Determine longest common
2925 prefix of the two arguments. The units are whole path components.
2926 (output_file_names): When adding a new directory find the one entry
2927 with the longest common prefix already in the list. Artificially
2928 generate entry if there is none for this prefix.
2929 Fix test to check whether the zeroth directory entry is used.
2931 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2933 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2934 Changed all callers. Take it into account when deciding if a
2935 previously loaded value matches.
2937 2001-01-24 Richard Henderson <rth@redhat.com>
2939 * reload.c (find_reloads_subreg_address): Fail the substitution
2940 if the resulting address is insufficiently aligned.
2942 2001-01-24 DJ Delorie <dj@redhat.com>
2944 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2945 check the original operand's mode also.
2946 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2948 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2950 * c-parse.in (cast_expr): Move compound literals from here ...
2951 (primary): ... to here. Use standard terminology "compound
2952 literal" instead of "constructor expression".
2954 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2956 * gcc.1, cpp.1: Regenerate.
2958 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2960 * calls.c (emit_library_call_value_1): Memory slot for
2961 pass-by-reference argument should have the mode of the argument,
2962 not of the pointer to it.
2964 2001-01-24 Tom Tromey <tromey@redhat.com>
2966 * gcc.texi (G++ and GCC): Mention gcj manual.
2967 (Standards): Link to section of manual mentioning gcj/Java
2970 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2972 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2973 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2974 * tradcpp.c (main): Add -imacros or -include'd dependencies
2976 * cpp.texi (-M, -MM): Document -M -include behaviour.
2978 2001-01-24 Roger Collins <roger@ProProject.com>
2980 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2982 2001-01-24 Will Cohen <wcohen@redhat.com>
2984 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2985 whether registers are 32 bits or 64 bits in size.
2987 2001-01-24 Ben Elliston <bje@redhat.com>
2989 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2991 2001-01-24 Richard Henderson <rth@redhat.com>
2993 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2994 (builtin_longjmp): Use it instead of emit_indirect_jump.
2996 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2998 * bb-reorder.c (make_reorder_chain_1): Handle case where
2999 jump edge goes to the same block as the fallthru edge.
3001 2001-01-23 Jim Wilson <wilson@redhat.com>
3003 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
3004 * frame.h (__ia64_personality_v1): Add prototype.
3005 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3006 prototype form. Add void * cast to first argument to personality
3008 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3009 (asctoe113): Likewise.
3010 * config/ia64/frame-ia64.c: Include eh-common.h.
3011 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3013 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3015 (itanium_split_issue): Add prototype.
3016 (gen_nop_type): Ifdef out.
3017 (find_best_packet): Initialize best_packet.
3018 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3020 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3021 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3022 (flushrs): Add explicit stop bit at end.
3023 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3026 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3028 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3030 * libgcc2.c (__terminate_func): Make variable static.
3031 (__terminate_set_func): New function to set __terminate_func.
3032 * libgcc2.h (__terminate_func_ptr): New typedef.
3033 (__terminate_set_func): New function.
3035 2001-01-23 Richard Henderson <rth@redhat.com>
3037 * flow.c (init_propagate_block_info): Don't consider unchanging
3038 memories for dead frame store elimination.
3040 2001-01-23 Richard Henderson <rth@redhat.com>
3042 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3043 * defaults.h: ... here.
3045 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3047 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3049 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3051 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3053 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3055 * rs6000.h (rs6000_return_addr): Move prototype from here...
3056 * rs6000-protos.h (rs6000_return_addr): ...to here.
3057 (rs6000_init_expanders): Delete prototype.
3059 2001-01-23 Nick Clifton <nickc@redhat.com>
3061 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3062 (Spec Files): Document %B and %j and %. and %v3 and %M and
3063 %{S*&T} spec switches.
3065 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3067 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3069 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3070 Neil Booth <neil@daikokuya.demon.co.uk>
3072 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3073 Have -Werror make pedantic warnings errors, like the
3076 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3078 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3080 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3082 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3083 * integrate.c (expand_inline_function): Initialize them.
3084 (subst_constants): If changing COMPARE so that both its arguments
3085 will be VOIDmode and the comparison mode will be lost, note
3086 compare_mode. Use the recorded compare_mode to optimize
3089 2001-01-23 Jason Merrill <jason@redhat.com>
3091 * dwarf2out.c (new_die): Use xcalloc.
3092 (output_die): Abort rather than emit a local reference to offset 0.
3094 2001-01-17 Andrew Haley <aph@redhat.com>
3096 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3097 of a saved register; return NULL instead.
3098 (copy_reg): Take a pointer to a source register rather than a
3100 (next_stack_level): Remember the address in the stack frame of all
3102 Use the saved register pointer array as the source of the CFA.
3103 (throw_helper): Rewrite. Unwind once rather than twice and keep
3104 track of saved registers as we go.
3106 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3108 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3109 * c4x.c (c4x_legitimize_reload_address): Remove.
3110 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3111 reload address for ldp(k) insn.
3113 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3115 * pa.md (return_internal): Add a USE of the PIC register to ensure
3116 it is restored after each call.
3117 (return expander): Corresponding changes.
3119 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3121 * rs6000.h (INIT_EXPANDERS): Delete.
3122 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3123 * rs6000.c (rs6000_override_options): Call *_machine_status from
3125 (rs6000_init_expanders): ...instead of here. Delete.
3126 (rs6000_mark_machine_status): New function.
3127 (rs6000_init_machine_status): Use xcalloc.
3128 (rs6000_return_addr): Generate RTX for the return address.
3129 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3130 (rs6000_stack_info): Use it.
3132 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3134 * gthr-win32.h: Include errno.h to get a declaration for
3135 EINVAL and _mingw.h if the target is mingw32.
3137 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3139 * cpp.texi: Correct typos.
3141 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3143 * explow.c (probe_stack_range): Ensure value passed to
3144 stack_check_libfunc is ptr_mode, not Pmode.
3146 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3148 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3149 case, don't use operand_subword to calculate a SUBREG that is
3152 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3154 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3156 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3157 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3158 valid. If not replace it by equivalent insns.
3160 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3162 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3163 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3164 (c4x_U_constraint, symbolic_address_operand): Likewise.
3165 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3167 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3168 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3169 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3170 anulling slot because of silicon bug.
3171 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3173 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3175 * cppexp.c (parse_charconst): Change `mask' type to agree
3178 2001-01-21 Richard Henderson <rth@redhat.com>
3180 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3181 pic_label_name in a linkonce section.
3183 2001-01-17 Philipp Thomas <pthomas@suse.de>
3185 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3187 * configure: Regenerate.
3189 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3191 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3192 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3194 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3196 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3197 If REVERSE nonzero then condition code in X must be reversed.
3198 (encode_section_info): Optimise if/else.
3199 (avr_function_value): Fix formatting.
3201 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3202 (difficult_branch): Likewise.
3203 (rvbranch): Likewise.
3204 (difficult_rvbranch): Likewise.
3206 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3208 * config/avr/libgcc.S: Fix comment.
3210 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3212 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3214 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3216 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3218 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3220 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3221 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3222 * configure, config.in: Regenerate.
3223 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3224 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3225 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3226 (doprint.o): New rule.
3228 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3230 * c-typeck.c (digest_init): Handle boolean types as scalars.
3232 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3234 * stmt.c (expand_return): Don't return anything if size is zero.
3235 Delete redundant assignment to BYTES.
3236 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3238 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3240 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3241 the same as the default library function names.
3242 * config/avr/avr.md: Document special characters after '%'.
3243 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3244 knowing which of the call-used registers are really clobbered.
3245 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3246 New. Both quotient and remainder from one libgcc.S call.
3247 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3248 clobber as few registers as possible.
3249 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3251 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3253 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3254 context of the top of the stack.
3256 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3258 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3259 (fixup_var_refs_insns): ...here.
3261 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3263 * function.c (fixup_var_refs_insns): Break up into
3264 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3265 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3266 [loop over hash table entries].
3267 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3268 fixup_var_refs_insns_with_hash, to match above changes.
3270 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3272 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3273 (libgcc.a): Likewise.
3274 (stmp-multilib): Likewise.
3275 (STAGE2_FLAGS_TO_PASS): Likewise.
3277 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3279 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3280 temporary if no_new_pseudos.
3282 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3284 * cppinternals.texi: Update.
3286 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3288 * arm.c (arm_init_builtins): Re-enable builtins.
3290 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3292 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3293 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3294 element to be null, and always expect an EXPR_LIST.
3295 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3296 * sched-deps.c (sched_analyze_1): Likewise.
3297 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3299 * regclass.c (max_set_parallel): New variable.
3300 (reg_scan): Take it into account in computation of max_parallel.
3301 (reg_scan_mark_refs, case SET): Compute it.
3303 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3305 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3306 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3308 2001-01-19 Jason Merrill <jason@redhat.com>
3310 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3311 for the abstract instance of an inline function.
3313 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3314 J"orn Rennecke <amylaar@redhat.com>
3316 * reload1.c (move2add_note_store): Treat all registers directly or
3317 indirectly derived from a base register as members of the same set
3319 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3320 of base register into account.
3322 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3324 * alias.c (find_base_value): Recognize TRUNCATE.
3325 (record_set): In PLUS case, invalidate if other summand is also a
3328 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3330 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3331 entry to be EXPR_LIST.
3332 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3333 be an EXPR_LIST (but not null, which other code doesn't allow).
3334 (note_stores): Properly handle PARALLEL in SET.
3335 Recursively call for top-level PARALLEL.
3336 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3337 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3339 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3341 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3343 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3344 not pfile->skipping (== 0).
3346 2001-01-17 Nick Clifton <nickc@redhat.com>
3348 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3351 2001-01-17 Jim Wilson <wilson@redhat.com>
3353 * invoke.texi (IA-64 options): Improve.
3355 2001-01-17 Tom Tromey <tromey@redhat.com>
3357 * invoke.texi (Optimize Options): Use `{}' to around @samp
3360 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3362 * invoke.texi (-fno-guess-branch-probability): New option.
3364 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3366 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3367 case of making new double-word constant.
3368 Revert last change: instead just test i3_subst_into_i2.
3370 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3372 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3373 Use q constraints instead of r.
3375 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3377 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3378 (machine_function): Define.
3379 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3380 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3381 pa_free_machine_status): New functions.
3382 (override_options): Set {init,mark,free}_machine_status to above.
3383 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3384 PIC_OFFSET_TABLE_REGNUM_SAVED.
3385 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3386 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3387 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3388 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3389 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3391 2001-01-15 DJ Delorie <dj@redhat.com>
3393 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3397 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3399 * flow.c (propagate_on_insn): Make trying to delete a prologue
3400 or epilogue insn an ICE, not a warning. Allow doing this if
3401 the current function returns with stack pointer depressed.
3403 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3404 I3 having more than one SET.
3406 2001-01-16 Jim Wilson <wilson@redhat.com>
3408 * invoke.texi: Document IA-64 options.
3410 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3411 (fixup_errata): Delete TARGET_A_STEP use.
3412 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3413 (TARGET_SWITCHES): Delete -ma-step option.
3414 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3415 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3416 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3417 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3418 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3419 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3421 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3422 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3423 cmovsi_internal): Delete ! TARGET_A_STEP check.
3425 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3427 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3428 possibility to report bugs via postal mail. Change a URL and
3429 merge in a nearly duplicate statement...
3430 (Bug Reporting): ...from here.
3431 (Service): Refer to the Bug Reporting section instead of
3433 (Contributing): Remove trivial explanations concerning snapshots.
3435 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3437 * cppmain.c (general_init): Don't use ANSI prototype.
3439 2001-01-16 Tom Tromey <tromey@redhat.com>
3441 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3443 2001-01-16 Richard Henderson <rth@redhat.com>
3445 * config/i386/i386.h: Fix comment typo.
3446 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3447 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3449 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3451 * gcc.c: Revert previous -fsyntax-only-related change; move
3454 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3456 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3457 inmode after checking GET_CODE (op).
3459 2001-01-16 Richard Henderson <rth@redhat.com>
3461 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3462 (MAX_MEM_SET_LIST_LEN): New.
3463 (propagate_one_insn): Update mem_set_list_len.
3464 (invalidate_mems_from_autoinc): Likewise.
3465 (invalidate_mems_from_set): Likewise.
3466 (mark_used_regs): Likewise.
3467 (init_propagate_block_info): Likewise. Stop collecting memories
3468 when we reach MAX_MEM_SET_LIST_LEN.
3469 (mark_set_1): Likewise.
3471 2001-01-16 Richard Henderson <rth@redhat.com>
3473 * unroll.c (precondition_loop_p): Fail if no iteration
3476 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3478 * gcc.c: When -fsyntax-only is given, do not complain about
3481 2001-01-15 Richard Henderson <rth@redhat.com>
3483 * config/i386/i386.c (asm_output_function_prefix): Remove.
3484 (ix86_asm_file_end): New.
3485 (load_pic_register): Generate pic_label_name into a
3486 staticly allocated buffer.
3487 * config/i386/i386-protos.h: Update.
3488 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3489 (ASM_FILE_END): New.
3490 * config/i386/i386afe.h: New file.
3491 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3492 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3493 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3494 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3495 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3496 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3497 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3499 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3501 * Makefile.in (install-man): Remove explicit dependency on
3504 * configure.in, configure: Revert previous patch requiring perl
3507 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3509 * toplev.c (flag_guess_branch_prob): New.
3510 (f_options): Add guess-branch-probability option.
3511 (rest_of_decl_compilation): Only estimate branch probability if
3513 (main): set flag_guess_branch_prob.
3515 * flags.h (flag_guess_branch_prob): New.
3517 2001-01-15 DJ Delorie <dj@redhat.com>
3519 * gcc.texi (Makefile): Add documentation for Makefile targets.
3521 2001-01-15 Philip Blundell <philb@gnu.org>
3523 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3525 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3526 (is_pic): Delete declaration.
3527 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3528 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3529 * config/arm/arm.md (builtin_setjmp_receiver): New.
3531 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3533 * arm.c (use_return_insn): Don't try to determine the function type
3534 until after reload has completed.
3535 (arm_output_epilogue): Don't adjust the sp value recovered from the
3537 (emit_multi_reg_push): Don't record dwarf information for the pc.
3538 * arm.md (eh_epilogue): The function type may have changed, so it
3539 needs to be recalculated.
3540 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3541 unwind tables on arm/netbsd.
3543 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3545 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3546 (negated_cbranchsi4): Likewise.
3548 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3550 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3551 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3552 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3553 pass -mapcs-* options to assembler.
3554 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3555 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3556 (ASM_SPEC): Call subtarget_extra_asm_spec.
3558 2001-01-15 Andreas Jaeger <aj@suse.de>
3560 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3562 (ix86_expand_builtin): Likewise.
3564 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3565 warning about comparison between signed and unsigned.
3567 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3569 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3571 2001-01-14 Ralf Baechle <ralf@gnu.org>
3573 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3574 SUBTARGET_CPP_SPEC apropriatly.
3576 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3578 * varasm.c (make_decl_rtl): Fix typo in last change.
3580 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3582 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3583 linker supports the init_priority C++ attribute.
3584 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3585 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3586 linker does not support init_priority C++ attribute.
3588 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3590 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3592 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3594 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3595 * cp/lex.c (finish_parse): Similarly.
3596 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3597 Return the number of errors encountered.
3598 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3599 * cppmain.c (main): Don't call cpp_destroy.
3601 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3603 * configure.in: Require at least perl 5.6.0 to regenerate
3605 * configure: Regenerate.
3607 2001-01-14 Richard Henderson <rth@redhat.com>
3609 * genrecog.c (DT_veclen_ge): New.
3610 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3611 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3612 (nodes_identical_1): Handle DT_veclen_ge.
3613 (write_cond, debug_decision_2): Likewise.
3615 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3617 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3619 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3621 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3623 * cppmain.c (do_preprocessing): New function; most of the old
3625 (main): Call it to do most of the work.
3626 (cb): Move from global scope to set_callbacks ().
3627 (setup_callbacks): Get the callback pointer.
3628 (general_init, printer_init): Clean up code and comments.
3630 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3632 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3635 2001-01-14 Kazu Hirata <kazu@hxi.com>
3637 * config/h8300/h8300.c (get_shift_alg): Update comments.
3639 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3641 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3642 (alloc_page, ggc_alloc): Add casts to remove warnings.
3644 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3646 * combine.c (simplify_comparison): Don't change `code' when
3647 can't reverse comparison.
3649 2001-01-14 Richard Henderson <rth@redhat.com>
3651 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3652 update all call sites. Return true for all non-label constants.
3654 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3656 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3658 (ix86_expand_branch): Update.
3659 (ix86_expand_setcc): Update to handle multiple test conditions.
3660 (expand_int_movcc): Likewise.
3661 (expand_fp_movcc): Likewise.
3662 * i386-protos.h (ix86_expand_compare): New.
3663 * i386.md (andqi_?_slp, orqi_?_slp): New.
3664 (conditional trap expander): Update call to ix86_expand_compare.
3666 2001-01-14 Richard Henderson <rth@redhat.com>
3668 * config/vax/vax.md: Use nonimmediate_operand instead of
3669 general_operand in destinations.
3671 * config/vax/vax.md (indirect_jump): Use register_operand.
3673 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3674 * config/vax/vax.md (call_pop): Turn into an expander.
3675 (call_value_pop): Likewise.
3676 (call, call_value): New.
3678 2001-01-14 Andreas Jaeger <aj@suse.de>
3680 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3682 (ix86_fp_compare_mode): Add unused attribute.
3683 (ix86_expand_fp_movcc): Remove unused variable.
3684 (ix86_expand_builtin): Make fcode unsigned.
3686 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3687 (expand_expr): Add cast to avoid signed warning.
3688 (store_field): Likewise.
3689 (store_constructor_field): Likewise.
3690 (store_constructor): Likewise.
3691 (store_expr): Likewise.
3692 (clear_storage): Likewise.
3693 (emit_group_store): Likewise.
3694 (emit_group_load): Likewise.
3696 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3698 * c-common.c: Move format checking code to ...
3699 * c-format.c: ... here. New file. Reorder some functions and
3701 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3703 * c-common.h (decl_handle_format_attribute,
3704 decl_handle_format_arg_attribute): Declare.
3705 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3706 (c-common.o): Adjust dependencies.
3707 (c-format.o): New list of dependencies.
3709 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3711 * unroll.c (loop_iterations): If we cannot prove iteration variable
3712 is set once in each iteration, punt.
3714 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3716 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3717 (*strlenhi): Remove clobber (which was buggy) of output address.
3719 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3721 * Makefile.in (generated-manpages): Add gcc.1
3722 ($(srcdir)/gcc.1): New target.
3723 (maintainer-clean): Delete $(srcdir)/gcc.1.
3724 * gcc.texi: Add macros @gccoptlist and @gol.
3725 * invoke.texi: Include option summary in manpage. Mark up option
3726 summary with @gccoptlist and @gol. Use @r in one place where
3728 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3729 * gcc.1: Generate from invoke.texi.
3731 2001-01-13 Richard Henderson <rth@redhat.com>
3733 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3734 (struct page_entry): Add group member.
3735 (struct page_group): New.
3736 (struct globals): Add page_groups member.
3737 (alloc_anon): Only define for using mmap; remove valloc call.
3738 (page_group_index): New.
3739 (set_page_group_in_use): New.
3740 (clear_page_group_in_use): New.
3741 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3742 (free_page, release_pages): Likewise.
3743 * configure.in (with-gc): Default to ggc-page always.
3745 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3747 * reload1.c (replace_pseudos_in_call_usage): Use
3748 reg_equiv_constant and reg_equiv_address, and don't try
3749 regno_reg_rtx first.
3751 2001-01-13 Richard Henderson <rth@redhat.com>
3753 * ggc-page.c (alloc_page): Round up allocation size to one page.
3754 Set e->order on extra pages.
3756 2001-01-13 Richard Henderson <rth@redhat.com>
3758 * genrecog.c (nodes_identical): Expand commentary.
3759 (write_switch): Watch out for identical nodes.
3761 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3763 * cppfiles.c (_cpp_fake_include): New function.
3764 * cpphash.h (_cpp_fake_include): New.
3765 * cpplib.c (do_line): Call _cpp_fake_include when entering
3766 header files in preprocessed input.
3767 * cppmain.c (cb_pragma_implementation): Remove handling.
3768 (setup_callbacks): Don't register pragmas.
3770 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3772 * extend.texi: Udate for CPP.
3774 2001-01-13 Andreas Jaeger <aj@suse.de>
3776 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3778 * regmove.c: Add prototype for replace_in_call_usage.
3780 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3782 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3783 struct cpp_chunk, struct htab, struct toklist,
3784 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3785 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3786 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3787 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3788 (struct macro_args): Delete.
3789 * cpphash.h: See above.
3791 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3793 * cppmain.c (struct printer): Remove no_line_dirs.
3795 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3796 : Use options rather than CPP_OPTION.
3797 (setup_callbacks): Use cb rather than pfile->cb.
3798 (main): No need to check for a buffer. Use cpp_errors.
3799 (printer_init): Don't set no_line_dirs.
3800 (maybe_print_line): Use options not no_line_dirs.
3801 (cb_file_change): Don't call print_line if -P.
3803 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3805 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3807 * c-parse.in (finish_parse): Use cpp_errors.
3808 (__yylex): Use return value of cpp_pop_buffer.
3809 * cp/lex.c (finish_parse): Use cpp_errors.
3810 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3812 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3814 * README.AVR: URLs corrected.
3816 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3818 * c-decl.c (start_function): Don't warn if old prototype is builtin
3819 that's not in C's namespace.
3820 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3821 (_bb): Add prototype for ctime.
3822 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3824 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3826 * i386.c (ix86_fp_comparison_arithmetics_cost,
3827 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3828 ix86_fp_comparison_cost): New functions.
3829 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3830 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3831 two-branch sequences; make static.
3832 (ix86_use_fcomi_compare): Do decision according to the costs.
3833 (split_fp_branch): New.
3834 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3835 * i386-protos.h (ix86_expand_fp_compare): Remove
3836 (ix86_split_fp_branch): Declare.
3838 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3839 and ix86_comparison_operator.
3841 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3844 * i386.c (put_condition_code): Output properly the unordered/ordered
3845 compares in fp case.
3846 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3848 * tm.texi (REVERSE_CONDITION): Document.
3849 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3850 in -ffast-math mode.
3851 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3853 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3855 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3857 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3860 * config/sh/sh.c (mova_p): Fix test for mova_const.
3862 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3864 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3865 cpp_get_options rather than dereferencing pfile and using
3867 * scan-decls.c (scan_decls): Use return value of
3868 cpp_pop_buffer rather than CPP_BUFFER.
3870 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3872 * cppinit.c (cpp_handle_option): help_only is now part of the
3873 cpp_options structure.
3874 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3875 cpp_set_callbacks): New functions.
3876 * cpplib.h (cpp_callbacks): Break out as a named structure.
3877 (cpp_options): Move help_only here from cpp_reader.
3878 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3879 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3880 cpp_set_callbacks): New prototypes.
3881 * cppmain.c (main): Update for help_only.
3883 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3885 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3886 Also build and remove and install and uninstall c-tree.info and
3888 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3889 ($(srcdir)/cppinternals.info): New target.
3890 * c-tree.texi: Change file name used when makeinfo used without -o
3891 from ir.info to c-tree.info. Add info directory entry.
3892 * cppinternals.texi: Add info directory entry.
3893 * .cvsignore: Update.
3895 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3897 * c-typeck.c (store_init_value): Don't require constant initializer
3898 elements with -pedantic -std=c99.
3899 (digest_init): Change error about non-constant initializer elements
3901 (constructor_range_end): Remove.
3902 (constructor_incremental, designator_depth,
3903 designator_errorneous): New variables.
3904 (struct constructor_stack): Remove range_end, add incremental.
3905 (struct constructor_range_stack, constructor_range_stack): New.
3906 (struct initializer_stack): Add constructor_range_stack.
3907 (finish_init): Set it.
3908 (start_init): Likewise. require_constant_elements for non-static
3909 trees only if not flag_isoc99.
3910 (really_start_incremental_init): Remove constructor_range_end, add
3911 constructor_incremental.
3912 (pop_init_level): Likewise.
3913 (push_init_level): Likewise. If implicit and the subobject had some
3914 value set already, preinitialize the level with it.
3915 Warn about missing braces only if not pushing due to designators.
3916 (set_designator, push_range_stack): New functions.
3917 (set_init_label): Use them.
3918 (set_init_index): Likewise. Remove constructor_range_end.
3919 Error if designator index is outside of array bounds.
3920 (add_pending_init): Compare values of purpose index trees, not the
3921 trees themselves. Allow overwriting of already initialized element.
3922 Issue a warning if it had side-effects.
3923 (set_nonincremental_init, set_nonincremental_init_from_string): New
3925 (pending_init_member): Rename to...
3926 (find_init_member): ...this function. Call set_nonincremental_init
3927 if necessary. Compare values of purpose index trees, not the trees
3928 themselves. Return the actual value, not just non-zero if something
3930 (output_init_element): Remove checks for duplicates.
3931 If field has zero size, only check the initializer for correctness.
3932 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3933 if constructor_incremental is zero. Change error about initializers
3934 not computable at load time into pedwarn.
3935 (output_pending_init_elements): Compare bit positions, not
3936 FIELD_DECLs to take into account zero-sized fields.
3937 (process_init_element): Use constructor_range_stack to fill all
3938 ranges in the designator lists from current level up.
3939 * extend.texi: Update documentation for labeled elements.
3941 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3943 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3944 to function usage for arguments passed by reference. Optimize
3945 callee-copied arguments.
3946 * regmove.c (replace_in_call_usage): New function.
3947 (fixup_match_1): Call it.
3948 * cse.c (cse_insn): Canonicalize registers in function usage.
3949 * reload1.c (replace_pseudos_in_call_usage): New function.
3952 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3955 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3957 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3960 2001-01-12 DJ Delorie <dj@redhat.com>
3962 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3963 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3966 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3968 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3969 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3970 -std options alongside references to -ansi. Update some
3971 documentation for C99.
3972 * cpp.1: Regenerate.
3974 2001-01-12 Andreas Jaeger <aj@suse.de>
3976 * haifa-sched.c (restore_line_notes): Remove argument block B
3978 * sched-ebb.c (schedule_ebb): Change caller.
3979 * sched-rgn.c (schedule_region): Likewise.
3980 * sched-int.h (restore_line_notes): Adjust prototype.
3982 * loop.h: Remove wrong declaration of doloop_condition_get.
3984 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3986 * extend.texi: Move C++-extension-related node from the C section
3987 into the C++ section.
3989 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3991 * extend.texi: Refer to an array of pointers to functions instead
3992 of one of functions.
3994 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3995 Jan Hubicka <jh@suse.cz>
3997 * combine.c (reversed_comparison): Fix typo in last patch.
3999 (combine_reversed_comparison_code): Make static to follow
4000 prototype declaration.
4002 2001-01-12 Phil Edwards <pme@sources.redhat.com>
4004 * install.texi: Remove misplaced duplicate entry.
4006 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4008 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4010 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4012 * final.c: (leaf_function_p): Fix typo.
4014 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4016 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4017 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4019 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4020 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4021 mmap_anon, and valloc is available.
4022 * ggc-page.c: Restructure ifdef logic to match new autoconf
4023 spec. Don't throw away the test page in init_ggc.
4025 * configure, config.in: Regenerate.
4027 2001-01-12 Michael Hayes <mhayes@redhat.com>
4029 * loop.h (total_biv_increment): Constify iv_class pointer.
4030 (struct induction): Replace `mem_mode' with `mem' rtx.
4031 * unroll.c (total_biv_increment): Constify iv_class pointer.
4032 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4033 (find_mem_givs, combine_givs_p): Likewise.
4034 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4036 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4038 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4040 (__gthread_getspecific): Ditto.
4042 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4044 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4045 put_condition_code): Convert fp comparison codes to integer
4047 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4050 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4051 * i386-protos.h (no_comparison_operator): Kill.
4053 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4055 * combine.c (REVERSIBLE_CC_MODE): Remove.
4056 (reversible_comparison_p): Remove.
4057 (combine_reversed_comparison_code): New.
4058 (reversed_comparison): New.
4059 (combine_simplify_rtx): Use
4060 combine_reversed_comparison_code/reversed_comparison instead
4061 of reversible_comparison_p.
4062 (simplify_if_then_else): Likewise.
4063 (simplify_set): Likewise.
4064 (simplify_logical): Likewise.
4065 (if_then_else_cond): Likewise.
4066 (known_cond): Likewise.
4067 (simplify_comparison): Likewise.
4069 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4071 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4072 sizeof (int) is larger than sizeof(__word__).
4074 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4076 * cppinit.c (do_includes): Fix typo.
4078 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4080 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4081 in S_REGS does not occur because not all sources are possible
4082 when a S_REGS is a destination (sometimes needs a clobber).
4083 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4084 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4085 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4086 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4087 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4088 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4089 (lshrdi_const1, lshrsi3_const16): Likewise.
4090 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4091 (*movhi_68hc12, *movqi_68hc12): Likewise.
4092 (movstrictqi): Make sure reloading in D_REGS as a destination
4095 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4097 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4099 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4101 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4102 -D, -U and -A, and don't initialize the builtins.
4103 (do_includes): Error if -include or -imacros with -fpreprocessed.
4104 * cppmain.c (cb_define, cb_undef): Unconditionally process
4106 * tradcpp.c (main): Fix typo.
4108 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4110 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4111 (read_name_map): Use IS_ABSOLUTE_PATH.
4112 * tradcpp.c (get_filename): Likewise.
4114 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4116 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4117 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4118 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4119 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4120 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4121 (cmphi_z_used): Don't use '@' for the output.
4122 (tstqi_z_used): Likewise.
4123 (cmpqi_z_used): Likewise.
4124 (one_cmplsi2): Likewise.
4126 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4128 * config/sh/sh.c (barrier_align): Recognize branch around far
4129 branch and redundant insn.
4131 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4133 * invoke.texi: Restore documentation of the drivers' switches -MD
4136 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4138 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4140 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4141 check-objc//%): Support parallel testing of multilibs.
4142 (TESTSUITEDIR): Set to testsuite by default, but override for
4144 (check-gcc, check-g++, check-g77, check-objc): Enter
4147 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4149 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4150 * sched-deps.c (deps_may_trap_p): Likewise.
4151 * basic-block.h: Remove a comment.
4152 * flow.c (PROP_POSTRELOAD): Remove.
4153 (update_life_info): Don't add it to prop_flags.
4154 (mark_set_1): Lose the code that was enabled by it.
4156 2001-01-11 Michael Hayes <mhayes@redhat.com>
4158 * flow.c (flow_call_edges_add): New.
4159 * basic_block.h (flow_call_edges_add): New.
4161 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4163 * reload1.c (move2add_note_store): Update reg_set_luid even if
4164 base reg remains the same.
4166 2001-01-10 Nick Clifton <nickc@redhat.com>
4168 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4169 machine_function structure to zero.
4170 Add prototypes for machine_status functions.
4172 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4174 * c-common.h (CTI_VOID_LIST): Remove.
4175 (void_list_node): Likewise.
4176 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4177 (void_list_node): New macro.
4178 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4179 * config/i386/i386.c (ix86_init_builtins): Likewise.
4180 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4182 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4184 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4185 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4187 * tradcpp.c: Include mkdeps.h.
4188 (deps, print_deps_phony_targets, deps_append, output_deps,
4189 init_dependency_output, output_deps): New.
4190 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4191 deps_output): Delete.
4192 (print_deps_missing_files): Rename deps_missing_files.
4193 (inhibit_output): Make global.
4194 (main): Delete inhibit_output, deps_stream, deps_target.
4195 Use mkdeps functionality in the same way as cpplib. Remove
4196 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4197 -M and -MM. Remove old handling of deps via deps_out, and
4198 old reading of environment variables.
4199 (get_filename): Update to use deps_add_dep.
4201 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4203 * output.h (make_function_rtl): Remove prototype.
4204 (make_decl_rtl): Likewise.
4205 * varasm.c (make_function_rtl): Remove.
4206 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4207 than from a third parameter.
4208 * tree.h (make_decl_rtl): Remove last parameter.
4209 * c-decl.c (builtin_function): Remove last argument in call to
4210 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4211 (start_function): Likewise.
4212 * except.c (call_get_eh_context): Likewise.
4213 * expr.c (emit_block_move): Likewise.
4214 (clear_storage): Likewise.
4215 * profile.c (output_func_start_profiler): Likewise.
4216 * toplev.c (rest_of_decl_compilation): Likewise.
4217 * objc/objc-act.c (create_builtin_decl): Likewise.
4218 (synth_module_prologue): Likewise.
4219 (generate_static_reference): Likewise.
4220 (build_selector_reference_decl): Likewise.
4221 (build_class_reference_decl): Likewise.
4222 (build_objc_string_decl): Likewise.
4223 (build_protocol_reference): Likewise.
4225 2001-01-10 Richard Henderson <rth@redhat.com>
4227 * hwint.h: Revert yesterday's change.
4229 2001-01-10 Nick Clifton <nickc@redhat.com>
4231 * function.h (save_machine_status): Delete.
4232 (restore_machine_status): Delete.
4233 Amend comment describing {init|mark|free}_machine_status.
4235 * function.c (save_machine_status): Delete.
4236 (restore_machine_status): Delete.
4237 Amend comment describing {init|mark|free}_machine_status.
4238 (push_function_context_to): Remove invocation of
4239 save_machine_status.
4240 (pop_function_context_from): Remove invocation of
4241 restore_machine_status.
4243 * emit-rtl.c (init_emit_once): Amend comment describing
4244 {init|mark|free}_machine_status.
4246 * tm.texi (Per-Function Data): New node. Describe the
4247 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4250 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4252 * cppinit.c (OPT_g): Remove.
4253 (cpp_handle_option): Update for removed -g3.
4254 (print_help): Update.
4255 * cpplib.h (struct cpp_options): Remove debug_output.
4256 * cppmain.c (setup_callbacks, cb_define): Update.
4257 * gcc.c (cpp_options): Translate -g3 to -dD.
4259 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4261 * config/i960/i960.md: Change modifier to + on the zero_extract
4262 pattern after the (rotate -2 reg) canonicalization pattern.
4264 2001-01-10 Richard Henderson <rth@redhat.com>
4266 * config/alpha/alpha.c (alpha_free_machine_status): New.
4267 (override_options): Install it.
4268 (alpha_mark_machine_status): Verify machine non-null.
4269 * config/i386/i386.c (ix86_free_machine_status): New.
4270 (override_options): Install it.
4271 (ix86_init_machine_status): Use xcalloc.
4272 (ix86_mark_machine_status): Verify machine non-null.
4273 * config/ia64/ia64.c (ia64_free_machine_status): New.
4274 (ia64_override_options): Install it.
4275 (ia64_mark_machine_status): Verify machine non-null.
4277 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4279 * function.c (instantiate_virtual_regs): Instantiate virtual
4280 registers found in CALL_INSN_FUNCTION_USAGE.
4282 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4284 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4285 equivalent to -ansi in disabling -Di386.
4287 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4289 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4291 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4293 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4295 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4297 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4299 * invoke.texi: Document that -fcond-mismatch isn't supported for
4302 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4304 * gcc.texi: Define macro gcctabopt.
4305 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4306 @command, @env and @option in some places where appropriate. Use
4307 @gcctabopt where appropriate. Put URLs and email addresses inside
4310 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4312 * gcc.c (cpp_options): Set MD file name from output
4313 filename, if specified.
4314 (suffix_subst): New static variable.
4315 (do_spec): Clear it.
4316 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4318 (give_switch): Handle suffix_subst.
4320 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4322 * invoke.texi: Fix another typo.
4324 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4326 * invoke.texi: Fix typo.
4328 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4330 * c-lang.c (lang_hooks): Update.
4331 (lang_decode_option): Remove.
4332 (lang_init_options): Rename c_init_options.
4333 * toplev.c (main): Use lang_hooks for lang_init_options
4334 and lang_decode_option.
4335 * toplev.h (lang_hooks): Add 2 new hooks.
4336 * tree.h: Remove lang_init_options and lang_decode_option.
4337 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4338 * cp/decl2.c: Similarly.
4339 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4340 (lang_hooks): Update.
4341 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4343 (lang_init_options): Rename ffe_init_options.
4344 (lang_hooks): Update.
4345 (lang_decode_option): Remove.
4346 * java/lang.c (lang_init_options): Rename java_init_options.
4347 (lang_decode_option): Rename java_decode_option.
4348 (lang_hooks): Update.
4349 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4350 (lang_decode_option): Rename objc_decode_option.
4351 (lang_hooks): Update.
4353 2001-01-09 Nick Clifton <nickc@redhat.com>
4355 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4356 (d30v_return_addr_rtx): Delete.
4357 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4358 cfun->machine structure.
4359 (struct machine_function): Move to d30v.h
4360 (d30v_save_machine_status): Delete.
4361 (d30v_restore_machine_status): Delete.
4362 (d30v_init_machine_status): New Function.
4363 (d30v_mark_machine_status): New Function.
4364 (d30v_free_machine_status): New Function.
4365 (d30v_init_expanders): Use new functions.
4366 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4367 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4368 d30v_return_addr_rtx.
4370 * config/d30v/d30v.h (struct_machine): Move here.
4371 Add eh_epilogue_sp_ofs field.
4373 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4374 field in cfun->machine structure.
4376 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4378 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4379 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4380 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4382 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4384 * objc/lang-options.h: Remove bogus reference to
4387 2001-01-09 Kazu Hirata <kazu@hxi.com>
4389 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4392 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4394 * reload.c (find_reloads_address): Check for eliminable registers
4395 when substituting a constant expression for a pseudo.
4397 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4399 * c-common.c (enum format_type): Add format_type_error.
4400 (decode_format_type): New function.
4401 (decl_attributes): Use it.
4402 (format_kind_info): Adjust comment.
4404 2001-01-09 David O'Brien <obrien@BSDi.com>
4406 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4407 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4409 * config/i386/gnu.h: Don't include required platform specific .h files,
4410 tm.h will do it instead.
4411 * config/i386/i386elf.h: Likewise.
4412 * config/i386/linux.h: Likewise.
4413 * config/i386/moss.h: Likewise.
4414 * config/mips/gnu.h: Likewise.
4416 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4418 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4419 (rs6000-ibm-aix3.[01]*): Likewise.
4420 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4421 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4422 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4423 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4424 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4425 (powerpc-*-eabiaix*): Likewise.
4426 (powerpc-*-eabisim*): Likewise.
4427 (powerpc-*-elf*): Likewise.
4428 (powerpc-*-eabi*): Likewise.
4429 (powerpc-*-rtems*): Likewise.
4430 (powerpc-*-linux*libc1): Likewise.
4431 (powerpc-*-linux*): Likewise.
4432 (powerpc-wrs-vxworks*): Likewise.
4433 (powerpcle-wrs-vxworks*): Likewise.
4434 (powerpcle-*-sysv*): Likewise.
4435 (powerpcle-*-elf*): Likewise.
4436 (powerpcle-*-eabisim*): Likewise.
4437 (powerpcle-*-eabi*): Likewise.
4438 (powerpcle-*-solaris2*): Likewise.
4439 * config/rs6000/aix31.h: Delete includes.
4440 * config/rs6000/aix3newas.h: Likewise.
4441 * config/rs6000/aix41.h: Likewise.
4442 * config/rs6000/aix43.h: Likewise.
4443 * config/rs6000/beos.h: Likewise.
4444 * config/rs6000/rtems.h: Likewise.
4445 * config/rs6000/sysv4.h: Likewise.
4447 2001-01-09 Kazu Hirata <kazu@hxi.com>
4449 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4450 Change an argument mode of machine_mode to shift_mode of
4451 shift_mode. Remove an extra error check.
4452 (emit_a_shift): Adopt to the new calling prototype of
4454 (function_prologue): Fix code for a monitor
4455 function. Support H8/S.
4456 (function_epilogue): Do not output pop for a monitor function.
4458 2001-01-09 Nick Clifton <nickc@redhat.com>
4460 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4461 (setup_incoming_varargs): Use sysv_varargs_p field of the
4462 cfun->machine structure.
4463 (struct machine_function): Move to rs6000.h
4464 (rs6000_save_machine_status): Delete.
4465 (rs6000_restore_machine_status): Delete.
4466 (rs6000_init_machine_status): New Function.
4467 (rs6000_free_machine_status): New Function.
4468 (rs6000_init_expanders): Use new functions.
4470 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4472 (struct machine_function): Move here.
4474 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4475 sysv_varargs_p field of the cfun->machine structure.
4477 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4479 (rs6000_restore_machine_status): Remove prototype.
4481 2001-01-09 Richard Henderson <rth@redhat.com>
4483 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4484 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4485 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4486 (sched_analyze_2, sched_analyze_insn): Likewise.
4487 (sched_analyze, init_deps): Likewise.
4488 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4489 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4490 (compute_block_backward_dependences): Update propagate_deps call.
4492 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4494 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4496 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4498 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4499 (cpp_handle_option): Handle them.
4500 (cpp_post_options): Ensure one of -M or -MM is specified with
4501 any other -M? option.
4502 (init_dependency_output): Suppress output with -MG.
4504 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4507 * invoke.texi: Update.
4509 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4511 * sh.md (reload_outsf): Generate recognizable patterns for
4514 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4516 * c-lang.c (lang_hooks): Update.
4517 (lang_init): Rename c_init.
4518 (lang_finish): Remove.
4519 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4521 * toplev.h (lang_hooks): Add init () and finish ().
4522 * tree.h (lang_init, lang_finish): Remove.
4523 * cp/tree.h (lang_init, lang_finish): Remove.
4524 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4525 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4527 (lang_init, lang_finish): Remove.
4528 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4529 (lang_hooks): Update.
4530 * java/lang.c (lang_init): Rename java_init.
4531 (lang_finish): Remove.
4532 (lang_hooks): Update.
4533 * objc/objc-act.c (lang_init): Rename objc_init.
4534 (lang_finish): Remove.
4535 (lang_hoooks): Update.
4537 20001-01-09 Graham Stott <grahams@redhat.com>
4539 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4540 after `ptr` is initialised.
4542 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4544 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4545 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4546 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4547 stack adjusts, instead of r3.
4549 2001-01-09 Michael Hayes <mhayes@redhat.com>
4551 * flow.c (flow_loop_scan): Break out of ...
4552 (flow_loops_find) ... here.
4553 * basic-block.h (flow_loop_scan): New.
4554 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4555 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4557 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4559 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4561 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4562 realloc()ing macro_buffer.
4564 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4565 if it's wider than long and the target's long is wider than the
4568 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4570 Remove support for using UWIN as a host machine.
4571 * configure.in: Issue an error message.
4572 * configure: Regenerated.
4573 * config.gcc: Remove xm_* UWIN configury.
4574 * config/i386/xm-uwin.h: Remove.
4576 2001-01-08 Nick Clifton <nickc@redhat.com>
4578 * config/v850/v850.c (ra_rtx): Delete.
4579 (v850_save_machine_status): Delete.
4580 (v850_restore_machine_status): Delete.
4581 (v850_init_machine_status): New function.
4582 (v850_mark_machine_status): New function.
4583 (v850_free_machine_status): New function.
4584 (v850_return_addr): Use ra_rtx field in machine structure.
4585 (v850_init_expanders): Use new functions.
4587 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4588 * config/v850/v850.c: Change arguments to v850_output+* functions
4589 to take a const char *, to avoid compile time warning.
4590 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4591 (USER_LABEL_PREFIX): Redefine.
4593 2000-01-08 Jim Wilson <wilson@redhat.com>
4595 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4596 1 to unsigned HOST_WIDE_INT before left shift.
4598 2001-01-08 Nick Clifton <nickc@redhat.com>
4600 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4601 the machine structure has been allocated.
4602 (arm_free_machine_status): New function: Free the machine
4603 specific function structure.
4605 2001-01-08 Richard Henderson <rth@redhat.com>
4607 * jump.c (simplejump_p): Revert last change.
4609 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4611 * cppinit.c (init): Rename init_library.
4612 (cpp_create_reader): Update.
4613 * gcc.c (cpp_options): If -o given, use it as the target of
4616 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4618 * arm.c (arm_arch5e): New variable.
4619 (all_cores): XScale is a 5TE device.
4620 (arm_override_options): Set arm_arch5e.
4621 (arm_init_builtins): __builtin_prefetch is in arch5e.
4622 * arm.h (arm_arch5e): Declare it.
4624 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4626 * arm.md (define_constants): Add defines for UNSPEC and
4627 UNSPEC_VOLATILE insns. Update all users.
4628 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4629 * arm.c (multi_register_push, note_invalid_constants)
4630 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4631 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4632 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4634 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4636 * jump.c (jump_optimize_1): Use reversed_comparison_code
4637 instead of can_reverse_comparison_p.
4638 (jump_back_p): Likewise.
4639 (invert_exp_1): Likewise.
4640 (thread_jumps): Likewise.
4641 * simplify-rtx.c (simplify_unary_operation): Likewise.
4642 (simplify_ternary_operation): Likewise.
4643 * cse.c (find_comparison_args): Convert to use
4644 can_reverse_comparison_p.
4645 (record_jump_equiv): Likewise.
4647 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4649 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4650 (EPILOGUE_USES): Define.
4651 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4652 automatically stack the LR if it isn't live.
4654 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4656 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4659 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4661 * ggc-page.c (max_alignment): New structure.
4662 (MAX_ALIGNMENT): New macro.
4663 (init_ggc): Use it to round up the sizes in the
4664 extra_order_size_table.
4666 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4668 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4671 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4673 * builtins.def (BUILT_IN_FPRINTF): New entry.
4675 * c-common.c (c_expand_builtin_fprintf): New function.
4676 (init_function_format_info): Handle __builtin_fprintf.
4677 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4678 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4680 * c-decl.c (duplicate_decls): Adjust comment.
4682 * extend.texi (fprintf): Document new builtin.
4684 2001-01-07 Richard Henderson <rth@redhat.com>
4686 * jump.c (simplejump_p): Recognize any single_set jump
4689 2001-01-07 Richard Henderson <rth@redhat.com>
4691 * configure.in (slibdir): Accept an --with-slibdir option.
4692 Use "test" not "[" in configure. Default to $(libdir).
4694 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4696 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4697 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4698 (SHLIB_LINK): Create links for the soname.
4699 * config/mips/t-iris6: Likewise.
4700 * config/sparc/t-slibgcc: Likewise.
4701 * config/sparc/t-slibgcc-sld: Likewise.
4703 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4705 * config/i386/i386.c (constant_call_address_operand): Accept
4706 (const (plus (symbol_ref) (const_int))).
4707 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4708 constant_call_address_operand.
4710 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4712 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4713 and LONG_LONG_TYPE_SIZE > 32.
4715 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4717 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4718 the previous change.
4720 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4722 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4724 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4725 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4726 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4729 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4731 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4733 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4735 * c-lang.c (c_post_options): Call cpp_post_options.
4736 * objc/objc-act.c (objc_post_options): Similarly.
4737 * cppmain.c (main): Similarly.
4738 * fix-header.c (read_scan_file): Similarly.
4739 * cppinit.c (cpp_start_read): Move option consistency checks
4740 to cpp_post_options. Don't call init_dependency_output.
4741 If needed, add default target and main file dependency.
4742 (OPT_MD, OPT_MMD): Remove.
4744 (cpp_handle_option): Update for OPT_* changes.
4745 (cpp_post_options): New.
4746 (init_dependency_output): Command line -MF overrides environment
4747 variables. Don't set default target etc. Suppress output
4748 if dependencies are going to stdout.
4749 (print_help): Update.
4750 * cpplib.h (cpp_post_options): New.
4751 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4753 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4755 * jump.c (comparison_dominates_p): Support unordered compares.
4757 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4759 * simplify-rtx.c (simplify_relational_operation): Always simplify
4760 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4763 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4765 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4766 (nonzero_bits): Likewise.
4767 (simplify_comparison): Likewise.
4768 (num_sign_bit_copies): Likewise; return more sane value depending
4769 on STORE_FLAG_VALUE.
4770 (known_cond): Do not assume EQ to be always true for equivalent
4773 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4775 * cse.c (fold_rtx): Handle unordered comparisons.
4777 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4779 * rtlanal.c (set_of_1): New static function.
4780 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4781 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4782 reg_set_last_last_regno): Remove.
4783 (set_of): New global function.
4784 (set_of_data): New structure.
4785 (reg_set_p, reg_set_last): Revamp for set_of.
4786 * rtl.h (set_of): New.
4788 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4790 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4791 * extend.texi: Document _Exit builtin.
4793 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4795 * (initialize, initialize_builtins,
4796 initialize_dependency_output, initialize_standard_includes):
4797 Rename s/initialize/init. Update.
4798 (init_dependency_output): Move to after
4799 cpp_handle_options, the correct location temporally at least.
4800 (opt_comp): Move next to init (), its caller. Fix prototype.
4801 (init): Make "initialized" local scope.
4802 (cpp_create_reader): Always call init ().
4803 (cpp_start_read): Update.
4804 (output_deps): New function, broken out of cpp_finish.
4805 (cpp_finish): Break out output_deps.
4807 2001-01-07 Richard Henderson <rth@redhat.com>
4809 * collect2.c (COFF specific stuff): Revert 12-06 patch
4810 to prototype system functions.
4812 2001-01-07 Michael Hayes <mhayes@redhat.com>
4814 * hard-reg-set.h: Add multiple include guard.
4815 * basic-block.h (struct loop): Add `sink' field.
4816 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4817 (emit_iv_add_mult): Delete.
4818 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4819 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4820 (unroll_loop): Remove end_insert_before argument.
4821 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4822 (maybe_eliminate_biv_1): Likewise.
4823 (emit_iv_add_mult): Delete.
4824 (gen_add_mult, loop_regs_update): New.
4825 (loop_insn_emit_after, loop_insn_emit_before): New.
4826 (loop_insn_sink, loop_insn_sink_or_swim): New.
4827 (emit_iv_add_mult): Delete.
4828 (scan_loop): Set loop->sink.
4829 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4830 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4831 (maybe_eliminate_biv_1): Likewise.
4832 (maybe_eliminate_biv_1): Add basic block argument.
4833 * unroll.c (unroll_loop): Remove end_insert_before argument.
4834 (find_splittable_regs): Likewise.
4835 (find_splittable_regs): Use loop_insn_sink and its ilk.
4836 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4838 2001-01-07 Michael Hayes <mhayes@redhat.com>
4840 * loop.h (loop_insn_hoist): New prototype.
4841 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4842 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4843 (check_dbra_loop, load_mems): Likewise.
4844 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4845 (find_splittable_givs): Likewise.
4847 2001-01-07 Michael Hayes <mhayes@redhat.com>
4849 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4851 2001-01-07 Richard Henderson <rth@redhat.com>
4853 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4855 2001-01-07 Richard Henderson <rth@redhat.com>
4857 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4858 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4859 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4860 variant that handles a shared libgcc.
4861 (process_command): Always validate -{static,shared}-libgcc.
4862 (do_spec_1): New 'M' case.
4863 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4865 2001-01-07 Richard Henderson <rth@redhat.com>
4867 * Makefile.in (slibdir): New variable.
4868 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4869 (installdirs): Create slibdir.
4870 (install-libgcc, install-multilib): Defer to libgcc.mk.
4871 * configure.in (slibdir): Substitute.
4872 * mklibgcc.in (install): New target.
4874 * config/t-linux (SHLIB_LINK): Create links for the soname.
4875 (SHLIB_INSTALL): New.
4876 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4877 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4878 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4879 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4880 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4882 2001-01-07 Richard Henderson <rth@redhat.com>
4884 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4885 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4886 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4888 2001-01-07 Michael Hayes <mhayes@redhat.com>
4890 * loop.c (count_loop_regs_set): Delete.
4891 (load_mems_and_recount_loop_regs_set): Delete.
4892 (loop_regs_scan): Merge common code from count_loop_regs_set,
4893 scan_loop, and load_mems_and_recount_loop_regs_set.
4894 (scan_loop): Call load_mems directly and loop_regs_scan
4895 again if new registers created.
4897 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4899 * toplev.c (main): Call the front-end specific post_options
4900 hook if one is given.
4901 * toplev.h (struct_lang_hooks, lang_hooks): New.
4902 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4903 for the C front end.
4904 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4905 lang_hooks for the C++ front end.
4906 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4907 lang_hooks for the ObjC front end.
4908 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4909 * java/lang.c (lang_hooks): Hooks for the Java front end.
4911 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4913 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4914 for verbose DWARF[2] debugging.
4915 (cb_define, cb_undef): The new callbacks.
4916 * toplev.h (debug_define, debug_undef): Make const correct.
4917 * toplev.c (debug_define, debug_undef): Similarly. Do not
4918 perform the verbosity tests here anymore.
4920 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4922 * reload.c (subst_reloads): Take INSN argument. When
4923 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4924 * reload.h (subst_reloads): Adjust prototype.
4925 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4926 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4927 present in JUMP_INSNs and copy them to JUMP_LABEL.
4928 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4929 JUMP_INSNs and insns with REG_LABELs that are followed by
4930 JUMP_INSNs with the same REG_LABEL.
4931 * sched-rgn.c (is_cfg_nonregular): Likewise.
4932 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4934 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4936 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4938 2001-01-06 Richard Henderson <rth@redhat.com>
4940 * loop.c (scan_loop): Use xcalloc for the regs array.
4941 (load_mems_and_recount_loop_regs_set): Zero the new memory
4942 received from xrealloc.
4944 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4946 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4948 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4950 * integrate.c (copy_rtx_and_substitute): When copying
4951 an ignored return value, strip REG_FUNCTION_VALUE_P.
4953 2001-01-06 Michael Hayes <mhayes@redhat.com>
4955 * loop.c (debug_biv, debug_giv): New.
4956 (loop_biv_dump): Break out from ...
4957 (record_biv): ... here.
4958 (loop_giv_dump): Break out from ...
4959 (record_giv): ... here.
4960 (loop_bivs_check): Use print_simple_rtl.
4961 * unroll.c (loop_iterations): Use print_simple_rtl.
4963 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4965 * pa.md (return, return_internal): Modify patterns to prevent regrename
4966 mucking with the return pointer.
4968 2001-01-05 Richard Henderson <rth@redhat.com>
4970 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4972 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4974 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4975 version supplied by Matteo Frigo.
4977 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4979 * cpp.texi: Update for -MQ.
4980 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4981 (cpp_cleanup): Always free pfile->deps.
4982 (initialize_dependency_output): Don't create pfile->deps.
4983 (cpp_handle_option): Similarly.
4985 * gcc.c (cpp_options): Handle -MQ.
4986 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4987 * mkdeps.c (base_name): Remove.
4988 (deps_init): Don't allocate vector space until it's needed.
4989 (deps_free): Only free vectors if allocated.
4990 (deps_add_target, deps_add_dep): Update for initial allocation.
4991 (deps_add_default_target): Don't strip to the base_name.
4993 2001-01-05 DJ Delorie <dj@redhat.com>
4995 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4996 (INIT_EXPANDERS): Define.
4998 * config/v850/v850.c (struct machine_function): Define.
4999 (v850_save_machine_status): New function.
5000 (v850_restore_machine_status): New function.
5001 (v850_return_addr): New function.
5002 (v850_init_expanders): New function.
5004 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5005 and v850_init_expanders.
5007 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5009 * cpplib.h (struct cpp_reader): Add help_only field.
5010 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5011 (cpp_handle_option): Set pfile->help_only if we see -h,
5012 --help, -target-help, or --version. Print version string but
5013 do not set help_only if we see -v or -version. Make text
5014 printed by -v match that printed by (-)-version.
5016 * cppmain.c (main): Exit after option parsing if
5017 pfile->help_only is true.
5019 * toplev.c (independent_decode_option): Call print_version,
5020 then exit, if we see --version (but not -version).
5021 (print_version): Split lengthy message into two lines.
5023 2001-01-05 Nick Clifton <nickc@redhat.com>
5025 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5026 temporary string for initialisation before calling ggc_alloc_string.
5028 2001-01-06 Michael Hayes <mhayes@redhat.com>
5030 * rtl.h (print_simple_rtl): New.
5031 * print-rtl.c (print_simple_rtl): New.
5033 (print_rtx): Disable printing of flags and modes, etc.,
5034 if `flag_simple` nonzero.
5036 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5038 * function.c (fixup_var_refs): Use push_to_full_sequence where
5041 2001-01-05 Michael Meissner <meissner@redhat.com>
5043 * flags.h (flag_reorder_blocks): Add declaration.
5044 (flag_rename_block): Ditto.
5046 2001-01-05 DJ Delorie <dj@redhat.com>
5048 * function.c (reorder_blocks): Make sure the flags are all reset
5049 before using them to mark blocks, else a second invocation will
5050 corrupt the block chain.
5051 (reorder_blocks_0): New, resets the flags.
5053 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5055 * cse.c (find_comparison_args): Stop if the argument is known to
5058 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5060 * config/sh/sh.md (movdf): When splitting load into pair of
5061 registers, don't clobber the register used in the address too
5064 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5066 * varasm.c (mark_constant_pool): Improve initial comments.
5067 (mark_constants): Move marking of constants to mark_constant.
5068 (mark_constant): New function to recursively mark all constants
5069 referred to by a constant.
5071 2001-01-05 Catherine Moore <clm@redhat.com>
5073 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5075 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5077 * cp/lang-options.h: Bring comment in line with reality.
5078 * f/lang-options.h: Likewise.
5079 * java/lang-options.h: Likewise.
5080 * objc/lang-options.h: Likewise.
5081 * ch/lang-options.h: Likewise.
5082 * f/g77.texi: And update the manual.
5084 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5085 Denis Chertykov <denisc@overta.ru>
5087 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5088 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5089 * config/avr/avr.md (all peepholes that request a scratch register):
5090 Call it, FAIL the peephole if not safe (in interrupt functions).
5092 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5094 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5096 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5098 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5100 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5101 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5102 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5103 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5104 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5106 * extend.texi: Document these builtins.
5108 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5110 * c-common.c (lang_get_alias_set): Say we know nothing of
5111 VECTOR_TYPE aliasing.
5113 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5115 2001-01-05 Bruce Korb <bkorb@gnu.org>
5117 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5118 their x* equivalent versions for atexit-less systems
5119 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5120 systems (or any other system any more).
5122 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5124 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5125 output operands. Use arm_hard_register_operand for operand 4.
5126 (stmsi_postinc): Similarly.
5127 (ldmsi): Use arm_hard_register_operand for opernand 2.
5129 * arm.c (arm_hard_register_operand): New function.
5130 * arm-protos.h (arm_hard_register_operand): Prototype it.
5132 * arm.h (HARD_REGNO_RENAME_OK): Define.
5134 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5136 * simplify-rtx.c (cfc_args): add "unordered" field.
5137 (check_fold_consts): Set unordered field.
5138 (simplify_relational_operation): Simplify the unordered
5141 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5144 * emit-rtl.c (try_split): Fix code to mark labels.
5145 * jump.c (mark_jump_label): Make global.
5146 * rtl.h (mark_jump_label): Declare.
5148 * predict.c (estimate_probability): Handle unordred comparisons.
5150 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5152 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5153 * cppinit.c (initialize_dependency_output): Update.
5154 (cpp_finish): Output dummy targets for -MP.
5156 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5157 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5158 * gcc.c (cpp_options): Update to handle -MP.
5159 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5160 to quote only the default target.
5161 (deps_phony_targets): Insert a preceding newline. Rename from
5162 deps_dummy_targets for consistency.
5165 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5167 * calls.c (emit_library_call_value_1): Support
5168 INIT_CUMULATIVE_LIBCALL_ARGS.
5169 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5171 2001-01-04 Richard Henderson <rth@redhat.com>
5173 * c-decl.c (finish_struct): Detect flexible array members
5174 used in an inappropriate context.
5175 * c-typeck.c (really_start_incremental_init): Special case
5176 constructor_max_index for zero length arrays.
5177 (pop_init_level): Allow initialization of flexible array
5178 members. Deprecate initialization of zero length arrays.
5179 Don't issue missing initializer warning for flexible array
5180 members or zero length arrays.
5181 (process_init_element): Don't dereference null DECL_SIZE.
5182 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5183 Don't abort for empty constructors. Use size_binop
5184 (output_constructor): Add commentary regarding zero length
5185 array futures. Abort if we try to initialize an array of
5186 unspecified length with a non-empty constructor in the middle
5189 * extend.texi (Zero Length): Update and clarify documentation
5190 on static initialization.
5192 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5194 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5195 with more than 32767 words of local storage.
5197 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5199 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5200 for 'abs', 'labs', and 'fabs'.
5201 (c4x_expand_builtin): Likewise.
5202 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5204 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5206 * config/sh/sh.md (prget, prset): New insn types.
5207 (return delay slot): Dont' allow prset.
5208 (call, sfunc delay slot): Don't allow prget.
5209 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5210 for prset and prget.
5212 2001-01-05 Michael Hayes <mhayes@redhat.com>
5214 * loop.h (struct loop_reg): New.
5215 (struct loop_regs): Change to use array of `struct loop_reg'.
5216 * loop.c: Replace assortment of varrays with single regs array.
5217 (count_one_set): Delete may_not_move array argument
5218 and use regs array instead. All caller's changed.
5219 (count_loop_regs_set): Delete may_not_move and single_usage
5220 arguments and use regs array instead. All caller's changed.
5221 (find_single_use_in_loop): Replace usage array argument with pointer
5222 to regs structure. All caller's changed.
5223 (loop_optimize): Delete `moved_once' array.
5225 2001-01-05 Michael Hayes <mhayes@redhat.com>
5227 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5228 Use it instead of loop_info->has_call for scanning loop mems.
5229 (check_dbra_loop): Replace loop_info->has_call test with
5230 loop_info->has_nonconst_call.
5232 2000-01-04 Matthew Hiller <hiller@redhat.com>
5234 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5237 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5239 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5240 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5242 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5244 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5245 (flag_short_double, flag_short_wchar): Define.
5246 (c_common_nodes_and_builtins): Create many tree nodes shared
5247 between C and C++ here instead of in cp/decl.c and ...
5248 * c-decl.c (init_decl_processing): ... here.
5249 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5250 (flag_short_double, flag_short_wchar): Don't define.
5251 (record_builtin_type): New function.
5252 (build_void_list_node): New function.
5253 * c-common.h (flag_short_double, flag_short_wchar,
5254 record_builtin_type, build_void_list_node): Declare.
5256 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5258 * integrate.c (expand_inline_function): Don't put a virtual
5259 register into the reg map.
5261 * function.c (fixup_var_refs_1): If force_operand didn't put
5262 the address into the target, move it there.
5264 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5266 Special-case tree_decl/tree_list allocations.
5267 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5268 (OBJECT_SIZE): New macro.
5269 (NUM_EXTRA_ORDER): Likewise.
5270 (extra_order_size_table): New variable.
5271 (NUM_ORDERS): New macro.
5272 (objects_per_page_table): New variable.
5273 (object_size_table): New variable.
5274 (G.pages): Use NUM_ORDERS to bound the array.
5275 (G.page_tails): Likewise.
5276 (DIV_ROUND_UP): Remove.
5277 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5278 (alloc_page): Use OBJECT_SIZE.
5279 (size_lookup): Don't make it const.
5280 (ggc_alloc): Use OBJECT_SIZE.
5281 (ggc_set_mark): Likewise.
5282 (ggc_get_size): Likewise.
5283 (init_ggc): Set up the object_size_table, objects_per_page_table,
5284 and adjust size_lookup.
5285 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5286 (ggc_pop_context): Use NUM_ORDERS.
5287 (clear_marks): Likewise.
5288 (sweep_pages): Likewise.
5289 (poison_pages): Likewise.
5290 (ggc_print_statistics): Use OBJECT_SIZE.
5292 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5294 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5295 Only call array_size_for_constructor if last field and array type
5296 with no upper bound.
5298 2001-01-04 Philip Blundell <philb@gnu.org>
5300 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5301 from bit 31 downwards, if this requires no more insns.
5302 (count_insns_for_constant): New helper function for above.
5304 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5306 * gencodes.c (output_predicate_decls): Remove empty initializer.
5308 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5310 * tree.c (copy_node): Remove documentation about obstacks.
5311 (buidl1): Check that nobody tries to build 2-argument nodes this
5314 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5316 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5319 * gencodes.c (output_predicate_decls): Fill empty initializer
5322 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5324 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5325 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5327 (do_include): Handle missing headers like cpp0.
5328 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5329 paths with first include pathname. Don't strcat to uninitialized
5332 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5334 * regrename.c (regrename_optimize): Don't rename from frame pointer
5335 if frame_pointer_needed.
5336 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5337 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5338 (ia64_reorg): Use it instead of scheduling if ! optimize.
5339 (errata_emit_nops): Properly call asm_noperands.
5340 (ia64_sched_reorder): Finish cycle if we see an asm.
5341 (ia64_variable_issue): Clear scheduling state after asms.
5343 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5345 * cpp.texi: Update for -MT.
5346 * cppinit.c (initialize_dependency_output): Add a default
5347 target if none has been given already.
5348 (no_tgt, OPT_MT): New.
5349 (cpp_handle_option): Handle -MT. Update -M etc.
5350 * cpplib.h (struct cpp_options): Remove deps_target.
5351 * gcc.c (cpp_options): Handle -MT.
5352 * mkdeps.c (struct deps): Move from mkdeps.h.
5353 (deps_calc_target): Rename deps_add_default_target. Add a
5354 default target if none has been specified already.
5355 * mkdeps.h (struct deps): Move to mkdeps.c.
5356 (deps_calc_target): Rename deps_add_default_target.
5358 2000-01-03 Richard Henderson <rth@redhat.com>
5360 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5362 * c-typeck.c (push_init_level): Move checks for flexible array
5363 members and zero length arrays ...
5364 (pop_init_level): ... here. Silently discard empty initializations.
5366 * varasm.c (output_constructor): Update for sizeof change to
5369 * extend.texi (Zero Length): Clarify semantics.
5371 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5373 * configure.in (tm.h): Include isns-codes.h last.
5374 * configure: Rebuilt.
5376 2001-01-03 Richard Henderson <rth@redhat.com>
5378 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5379 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5381 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5383 * tradcpp.c (main): Make sure finclude() is called with a valid
5384 indepth value while handling -include.
5386 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5388 * gencodes.c (output_predicate_decls): New function.
5390 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5391 even if it is not the first time machmode.h is #included.
5392 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5393 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5394 * gcc.texi (Copyright): Added 2001.
5396 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5398 * c-common.c (c_common_lang_init): New function. Warn if format
5399 warning options which only have effects when used with -Wformat
5400 are used without -Wformat.
5401 * c-common.h (c_common_lang_init): Declare.
5402 * c-lang.c (lang_init): Call c_common_lang_init.
5403 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5405 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5407 * configure.in: Check for the mktemp command.
5408 * configure: Regenerate.
5409 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5410 $TEMP. Create temporary files with mktemp, if available at
5411 configure time; otherwise use set -C. Remove temporary files
5414 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5416 * configure.in: Require at least texinfo 4.0. Check for whether
5417 Pod::Man is sufficiently recent to regenerate GCC manpages.
5418 * configure: Regenerate.
5419 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5421 (GENERATED_MANPAGES): Define.
5422 (generated-manpages): New target. Depend on cpp.1 as well as
5424 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5425 configure to generated-manpages or empty) rather than on the
5426 manpages directly. Remove execute permission from installed
5427 gcov.1 as well as cpp.1.
5428 * cpp.1, gcov.1: Regenerate.
5430 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5432 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5433 tree_low_cst. Allow using cmpstrsi in more cases.
5435 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5437 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5440 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5442 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5443 * Makefile.in (HOST_CFLAGS): Mention build-make.
5445 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5447 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5450 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5452 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5455 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5458 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5459 reg_base_value and reg_known_value arrays.
5460 (init_alias_analysis): Add more cases to detect known values.
5461 * sched-deps.c (deps_may_trap_p): New function.
5462 (sched_analyze_2): Use it.
5464 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5466 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5467 don't discard an ASHIFTRT if we're shifting in a wider mode.
5469 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5471 * toplev.c (rest_of_compilation): Don't print basic block information
5472 when CFG isn't up to date.
5474 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5476 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5477 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5478 (UNALIGNED_SHORT_ASM_OP): Define.
5479 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5481 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5483 * fold-const.c (fold_convert): Fix typo.
5485 2001-01-02 Richard Henderson <rth@redhat.com>
5487 * c-common.h (ASM_INPUT_P): New.
5488 * c-parse.in (asm): Set it when needed.
5489 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5490 existance of an operand.
5492 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5494 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5495 (dwarf2out_frame_debug_expr): Likewise.
5496 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5498 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5500 * i386.c (ix86_split_to_parts): Return number of part required;
5502 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5504 (ix86_split_long_move): Use number of part returned
5505 by ix86_split_to_parts
5506 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5508 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5509 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5510 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5511 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5512 (ALIGN_MODE_128): Add TFmode.
5513 (IS_STACK_MODE): Likewise.
5514 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5515 (HARD_REGNO_OK): Support TFmodes.
5516 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5517 * i386.md (scheduler definitions): Use memory operand to determine
5518 fst/fld instructions; use mode attribute to determine real mode of
5520 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5521 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5523 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5525 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5527 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5529 * expr.c (store_constructor_field): Update ALIGN before calling
5532 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5534 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5537 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5539 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5542 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5544 * c-decl.c (start_function): Don't warn on third parameter to main.
5546 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5548 * tsystem.h: Define HAVE_DECL_GETOPT.
5550 2001-01-02 Philip Blundell <pb@futuretv.com>
5552 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5555 2001-01-02 Richard Henderson <rth@redhat.com>
5557 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5559 2001-01-02 Andreas Jaeger <aj@suse.de>
5561 * c-decl.c (c_decode_option): Remove support of
5564 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5565 (W_options): Add -Wmissing-noreturn here.
5567 * flow.c: Define lang_missing_noreturn_ok_p.
5568 (check_function_return_warnings): Use it.
5570 * c-common.h: Declare lang_missing_noreturn_ok_p.
5572 * c-lang.c (c_missing_noreturn_ok_p): New function.
5573 (lang_init): Set lang_missing_noreturn_ok_p.
5575 * invoke.texi (Warning Options): Document this.
5577 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5579 * extend.texi (C++ Extensions): New node for C++ attributes;
5580 describe init_priority and com_interface.
5581 * invoke.texi: Remove -finit-priority as it now has zero effect.
5582 * install.texi: Fix xref syntax.
5583 * md.texi: Likewise.
5585 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5587 * config.gcc (sparc64-wrs-vxworks*): New case.
5588 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5590 * config/sparc/sparc.c (sparc_override_options): Do support different
5591 pointer and architecture size.
5592 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5593 (POINTERS_EXTEND_UNSIGNED): Define.
5594 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5595 (FUNCTION_MODE): Define to be Pmode.
5596 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5598 * function.c (expand_function_end): Properly handle DECL_RESULT
5599 and copy when ptr_mode != Pmode.
5600 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5602 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5604 * c-common.c (c_common_nodes_and_builtins): Set prototype
5605 parameters for __builtin_fputs, __builtin_fputc and
5606 __builtin_fwrite. Don't declare plain fputc as a builtin.
5608 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5610 * loop.c (add_label_notes): Increment the label usage count when
5611 a note is added to an insn which refers to a CODE_LABEL.
5612 * gcse.c (add_label_notes): Likewise.
5614 2001-01-01 Andreas Jaeger <aj@suse.de>
5616 * loop.c (scan_loop): Use xmalloc to allocate movables.
5618 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5620 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5621 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5622 * reload1.c (REGISTER_MOVE_COST): Likewise.
5623 * regclass.c (REGISTER_MOVE_COST): Likewise.
5624 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5625 dimension. Adjust all users.
5626 (init_reg_sets_1): Iterate on all modes.
5627 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5628 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5629 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5630 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5631 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5632 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5633 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5634 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5635 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5636 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5637 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5638 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5639 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5640 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5641 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5642 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5643 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5644 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5645 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5646 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5647 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5648 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5649 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5650 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5651 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5652 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5653 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5655 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5657 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5658 arg VARIES_P. Call it with extra arg.
5659 (true_dependence): Likewise.
5660 * rtl.h (rtx_addr_can_trap_p): Declare.
5661 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5663 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5664 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5665 pic offset table register if it's zero. All callers changed.
5666 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5668 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5670 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5671 STRING_POOL_ADDRESS_P.
5673 * config/sparc/sparc.c (input_operand): Properly test for short op.
5675 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5676 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5677 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5678 * config/sparc/elf.h: No longer include sol2.h.
5679 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5680 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5682 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5684 2001-01-01 Michael Hayes <mhayes@redhat.com>
5686 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5687 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5688 (record_initial): Likewise.
5689 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5690 (remap_split_bivs): Likewise.
5692 2001-01-01 Michael Hayes <mhayes@redhat.com>
5694 * loop.c (loop_ivs_free): New function.
5695 (strength_reduce): Break out from...
5697 2001-01-01 Michael Hayes <mhayes@redhat.com>
5699 * loop.h (struct iv): New.
5700 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5701 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5702 'reg_biv_class' fields with 'regs' and 'n_regs'.
5703 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5704 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5705 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5707 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5709 * resource.c (mark_referenced_resources): Abort() before
5710 attempting to mark a pseudo register.
5711 (mark_set_resources): Likewise.
5713 2001-01-01 Michael Hayes <mhayes@redhat.com>
5715 * loop.h (REG_IV_CLASS): New accessor macro.
5716 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5717 * unroll.c (REG_IV_CLASS): Likewise.
5719 See ChangeLog.4 for earlier changes.
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