1 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
5 * fixinc/fixincl.x: Regenerate.
7 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
11 * fixinc/fixincl.x: Regenerate.
13 2001-03-08 Richard Henderson <rth@redhat.com>
15 * configure.in (HAVE_AS_LEB128): New assembler check.
16 * configure, config.in: Rebuilt.
18 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
20 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
23 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
25 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
26 references to the MAXPATHLEN macro.
28 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
29 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
32 * config/i386/xm-gnu.h, config/xm-gnu.h,
33 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
34 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
35 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
38 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
39 doing so in various xm-*.h files.
41 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
43 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
45 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
47 * configure.in (enable_shared): Support per-package shared-library
51 2001-03-07 David Edelsohn <edelsohn@gnu.org>
53 * rs6000.md (cr logic): Add original POWER mnemonic alternative
54 for crnot. Set operands[5] in splitter.
56 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
58 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
59 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
60 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
61 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
62 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
63 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
64 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
67 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
68 config/i370/xm-i370.h, config/i386/xm-dgux.h,
69 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
70 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
71 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
72 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
73 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
74 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
75 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
76 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
77 Delete unused and/or empty files.
79 * config.gcc: Define USG in xm_defines as appropriate. Define
80 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
81 macro. Remove deleted xm-* files from $xm_files variable.
83 2001-03-07 Tom Tromey <tromey@redhat.com>
86 * configure.in: Allow config-lang.in to set `lang_requires' to list
87 of other required languages.
89 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
91 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
93 (output_prologue): Use xmalloc not oballoc.
94 (output_epilog): Free a29k_first_epilogue_insn when finished.
95 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
97 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
99 * builtins.c (expand_builtin_mathfn): Check
100 flag_unsafe_math_optimizations, not flag_fast_math.
101 (expand_builtin): Likewise
102 * combine.c (combine_simplify_rtx): Likewise.
103 (simplify_if_then_else): Likewise.
104 * cse.c (fold_rtx): Likewise.
105 * flags.h: Remove flag_fast_math. Add
106 flag_unsafe_math_optimizations and flag_trapping_math.
107 * fold-const.c (negate_expr): Check
108 flag_unsafe_math_optimizations, not flag_fast_math.
109 (invert_truthvalue): Likewise.
110 (fold): Likewise. Before associating operands, check that
111 code == MULT_EXPR, not code != MULT_EXPR.
112 * ifcvt.c (noce_try_minmax): Check
113 flag_unsafe_math_optimizations, not flag_fast_math.
114 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
115 * invoke.texi: Document -funsafe-math-optimizations and
116 -fno-trapping-math. Change documentation for -ffast-math.
117 * jump.c (reversed_comparison_code_parts): Likewise.
118 (rtx_equal_for_thread_p): Likewise.
119 * optabs.c (emit_conditional_move): Likewise.
120 * simplify-rtx.c (simplify_binary_operation): Likewise.
121 (simplify_relational_operation): Likewise.
122 (simplify_ternary_operation): Likewise.
123 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
124 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
125 Add trapping-math and unsafe-math-optimizations entries to f_options.
126 (set_fast_math_flags): New, sets flags for -ffast-math.
127 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
128 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
129 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
131 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
132 (alpha_emit_conditional_move): Initialize local_fast_math to
133 flag_unsafe_math_optimizations, not flat_fast_math.
134 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
135 instead of setting flag_fast_math to 1.
136 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
138 * config/i386/i386.c (override_options): Likewise
139 * config/i386/i386.md: Likewise.
140 * config/m68k/m68k.md: Likewise.
141 * config/mips/mips.md: Likewise.
142 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
143 (rs6000_generate_compare): Likewise.
145 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
147 * Makefile.in: Set RANLIB to @RANLIB@.
150 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
152 * fixinc/inclhack.def (djgpp_wchar_h): New test.
153 * fixinc/fixincl.x: Regenerated.
155 2001-03-07 Richard Henderson <rth@redhat.com>
157 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
159 2001-03-07 Richard Henderson <rth@redhat.com>
161 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
162 of block notes and exception handling notes.
164 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
165 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
166 (compile_file): ... here.
168 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
170 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
172 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
173 config.h now. Include libiberty.h to handle alloca.
175 2001-03-06 Zack Weinberg <zackw@stanford.edu>
177 * c-parse.in (yylexname): New function, split out of _yylex.
178 (objc_rid_sans_at): New table.
179 (init_reswords): Initialize it.
180 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
181 retrieving the next token and checking it for significance as
182 an ObjC keyword or string constant.
184 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
185 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
187 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
190 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
192 * config/m68k/m68k.c (const_uint32_operand): Accept any
193 const_int on a 32-bit host.
195 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
197 * objc/objc-act.c (init_objc): Set save_lang_status,
198 restore_lang_status, and mark_lang_status.
200 2001-03-06 Krister Walfridsson <cato@df.lth.se>
202 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
204 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
206 * cppinternals.texi: Update.
208 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
210 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
211 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
212 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
213 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
214 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
215 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
216 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
217 config/i386/xm-i386.h, config/i860/xm-i860.h,
218 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
219 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
220 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
221 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
222 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
223 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
224 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
225 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
226 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
227 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
228 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
229 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
230 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
231 match the defaults provided in hwint.h.
233 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
234 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
236 * config.gcc (xm_file): Don't set to files which are deleted.
238 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
239 guard this file against these macros being undefined.
241 2001-03-06 Zack Weinberg <zackw@stanford.edu>
243 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
244 and DECL_DEFER_OUTPUT on the decl we create, before calling
245 rest_of_decl_compilation.
247 2001-03-06 Zack Weinberg <zackw@stanford.edu>
249 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
251 * configure, config.in: Regenerate.
252 * config.gcc: Remove references to deleted files.
254 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
255 genrecog.c, rtl.c: Do not use alloca anywhere.
257 * Makefile.in, build-make, system.h, config/x-interix,
258 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
259 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
260 config/arc/xm-arc.h, config/arm/xm-arm.h,
261 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
262 config/h8300/xm-h8300.h, config/i370/x-oe,
263 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
264 config/i386/x-ncr3000, config/i386/x-sco5,
265 config/i386/xm-dgux.h, config/i860/x-sysv4,
266 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
267 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
268 config/m68k/x-hp320g, config/m69k/x-mot3300,
269 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
270 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
271 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
272 config/m88k/x-sysv4, config/m88k/x-tekXD88,
273 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
274 config/mips/x-iris, config/mips/x-iris3,
275 config/mips/x-sni-svr4, config/mips/x-sysv,
276 config/mips/xm-iris6.h, config/mips/xm-mips.h,
277 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
278 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
279 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
280 config/pa/xm-papro.h, config/romp/xm-romp.h,
281 config/rs6000/x-aix31, config/rs6000/x-aix41,
282 config/rs6000/x-beos, config/rs6000/x-lynx,
283 config/rs6000/x-mach, config/rs6000/x-rs6000,
284 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
285 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
286 config/sparc/x-sysv4, config/sparc/xm-linux.h,
287 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
288 config/vax/xm-vms.h: Eradicate all references to alloca and
291 * config/xm-alloca.h, config/clipper/x-clix,
292 config/i386/xm-sysv4.h, config/i860/x-fx2800,
293 config/i860/x-sysv3, config/m88k/x-sysv3,
294 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
295 (contained only alloca related hacks).
297 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
300 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
302 * invoke.texi: Document __FAST_MATH__.
304 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
306 * crtstuff.c: Restore include of auto-host.h.
308 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
310 Put main() in a separate file, so that the language
311 front-end can use a different main().
314 * toplev.c: (main): Rename as toplev_main.
315 * toplev.h: Declare toplev_main.
316 * Makefile.in (OBJS): add toplev.o.
317 (BACKEND): remove toplev.o, add main.o.
319 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
321 * cppfiles.c (search_from): Special case the empty string.
323 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
325 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
326 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
327 strlen or strcpy; we already know the length.
328 (_cpp_compare_file_date): Similarly.
329 * cpphash.h (struct cpp_reader): Delete done_initialising.
330 (CPP_PREV_BUFFER): Delete.
331 * cppinit.c (cpp_start_read): Don't set done_initialising.
332 * cpplex.c (parse_string): Guarantee null-termination.
333 (_cpp_equiv_toklists): Remove.
334 * cpplib.c (glue_header_name): Null-terminate.
335 (do_line): Don't leak memory.
336 * cpplib.h (BT_WEAK): Delete.
337 * cppmain.c (cb_ident): Strings are now null-terminated.
339 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
341 * gcc.c (convert_filename): Append executable suffix
342 if NO_AUTO_EXE_SUFFIX is not defined.
343 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
344 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
346 2001-03-03 David O'Brien <obrien@FreeBSD.org>
348 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
349 * c-parse.gperf, c-gperf.h: Delete.
350 (c-gperf.h was accidently re-added to the CVS repo in the rev
351 1.16 commit by tromey)
353 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
355 * cpplex.c (_cpp_lex_token): Don't warn about directives in
356 macro arguments when looking for the '('.
357 * cppmacro.c (funlike_invocation_p): Set parsing_args to
358 2 when really parsing arguments; 1 when looking for '('.
359 Always restore the lexer position.
361 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
363 * longlong.h (umul_ppmm): Don't use a multiline string.
365 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
367 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
368 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
369 t_bool in declaration because pcc can't combine volatile with typedef
372 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
374 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
375 until when it is really needed.
376 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
377 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
378 * i386.md (float?i?f splitter): Don't force source operand to memory
380 (sse_movdfcc): Fix constraint.
381 (sse_movdfcc splitter): Handle properly the second alternative.
383 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
385 * cpplex.c (parse_string): Unconditionally pedwarn.
387 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
390 * cppexp.c (parse_number): Update.
391 * cpplex.c (parse_string): Pedwarn if multiline string does not
392 result from a system header's macro.
393 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
394 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
395 for function-like macros too.
396 * c-lex.c (lex_number): Update.
398 2001-03-03 Richard Henderson <rth@redhat.com>
400 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
402 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
404 * combine.c (try_combine): If split with mode-changed scratch
405 register didn't work, try the original mode.
407 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
409 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
410 * config/c4x/c4x.h: Likewise.
411 * stor-layout.c (compute_record_mode): Likewise.
412 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
414 2001-03-02 Zack Weinberg <zackw@stanford.edu>
416 * configure.in: Kill tm.h. Include the files in the $tm_file
417 list in all three of config.h, hconfig.h, tconfig.h, after the
418 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
419 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
420 * configure: Regenerate.
421 * Makefile.in (clean): Don't delete tm.h.
423 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
424 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
425 those are not defined, set SEC and FEC to 0 and 1.
426 * gcc.texi: Update to match.
428 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
429 * config/fp-bit.c, config/m68k/aux-crt2.asm,
430 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
431 Include tconfig.h, not tm.h.
433 * config/xm-lynx.h, config/xm-std32.h,
434 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
435 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
436 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
437 config/clipper/xm-clix.h, config/convex/xm-convex.h,
438 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
439 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
440 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
441 config/i386/xm-i386.h, config/i860/xm-i860.h,
442 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
443 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
444 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
445 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
446 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
447 config/pa/xm-linux.h, config/pa/xm-pa.h,
448 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
449 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
450 config/pj/xm-pj.h, config/romp/xm-romp.h,
451 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
452 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
453 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
454 config/v850/xm-v850.h, config/vax/xm-vax.h,
455 config/we32k/xm-we32k.h:
457 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
459 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
460 config/i370/xm-oe.h: Don't include tm.h. Don't define
462 * config/vax/xm-vms.h: Don't include tm.h.
464 * config/xm-lynx.h, config/avr/xm-avr.h,
465 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
466 Delete; made empty by above changes.
467 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
468 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
469 Don't include config/xm-lynx.h or tm.h.
471 * config/xm-gnu.h: Don't include fcntl.h.
472 * config/sparc/xm-lynx.h: Don't include sys/types.h and
474 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
476 2001-03-02 Richard Henderson <rth@redhat.com>
478 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
479 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
481 2001-03-02 Richard Henderson <rth@redhat.com>
483 * Makefile.in (OBJS): Add dwarf2asm.o.
484 * dwarf2asm.c, dwarf2asm.h: New files.
485 * dwarf2out.c (*): Use them.
486 (size_of_uleb128, size_of_sleb128): Remove.
487 (output_uleb128, output_sleb128): Remove.
488 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
489 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
490 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
491 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
492 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
493 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
494 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
495 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
496 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
497 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
498 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
499 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
500 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
501 (dwarf2out_frame_debug): Remove unused variables.
502 (output_loc_operands): Don't abort on 8 byte constants if
503 host integers are wide enough.
504 (output_symbolic_ref): Remove.
505 (size_of_die): Don't assume 4 byte host integers.
506 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
508 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
509 something stupid with HOST_WIDE_INT to long truncation.
510 [CONST_DOUBLE]: Likewise.
512 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
513 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
514 * config/arm/unknown-elf.h: Likewise.
515 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
516 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
517 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
518 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
519 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
520 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
521 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
522 (ASM_OUTPUT_DWARF_OFFSET): Remove.
523 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
524 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
525 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
526 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
528 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
530 * cselib.c (hash_rtx): Cast enums to unsigned int.
532 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
534 * print-rtl.c (print_rtx): Cast enums to int for comparison.
535 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
537 * c-format.c (C_STD_VER): Cast to int for comparisons.
538 (check_function_format): Cast various enums to int for &.
539 (maybe_read_dollar_number): Likewise.
540 (check_format_info): Likewise.
541 (check_format_info_main): Likewise.
542 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
543 (safe_from_p): Likewise.
544 * varasm.c (const_hash): Cast enum to int for %.
545 * emit-rtl.c (init_emit_once): Use int loop variable to work around
546 pcc enum problems with < and ++ operators.
547 * regclass.c (init_reg_sets_1): Cast enums for comparison.
548 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
549 (regclass_init): Change enum class to int to iterate over reg_classes.
550 * genrecog.c (merge_trees): Cast enums for comparison.
551 * rtl.h (GET_CODE): Cast to enum rtx_code.
552 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
553 (GET_MODE): Cast to enum machine_mode.
554 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
555 (GET_NOTE_INSN_NAME): Cast enum to int.
556 * tree.h (TREE_CODE): Cast to enum tree_code.
557 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
558 * timevar.c (timevar_print): Change loop variable id from enum to
560 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
561 * config/i386/i386.md: Use PUT_MODE for mode assignment.
562 * toplev.c (compile_file): Cast enum DFI to int.
563 (decode_d_option): Likewise.
565 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
567 * cppinit.c (append_include_chain): Mark "after" include file name list
568 as a system directory.
569 * cpp.texi: Document new behavior.
571 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
573 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
575 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
577 * cppfiles.c (struct include_file): Update.
578 (stack_include_file): Use search_from.
579 (cpp_included, find_include_file): Update.
580 (cpp_execute_include): Update. ptr->name may not be
581 null terminated. Use the new search_from member variable
583 (_cpp_compare_file_date): Similarly.
584 (search_from): New function, similiar to actual_directory.
585 (actual_directory): Delete.
586 (remap_filename): Update. loc->name may not be null terminated.
587 (struct file_name_list): Rename search_path. Update.
588 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
590 (struct cpp_reader): Remove actual_dirs.
591 * cppinit.c (struct cpp_pending): Update for renamed objects.
592 (append_include_chain, remove_dup_dir, remove_dup_dirs,
593 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
594 * cpplib.h (struct cpp_options): Similarly.
596 2001-03-01 Zack Weinberg <zackw@stanford.edu>
598 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
599 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
600 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
601 config/clipper/xm-clix.h, config/convex/xm-convex.h,
602 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
603 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
604 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
605 config/i370/xm-linux.h, config/i370/xm-mvs.h,
606 config/i370/xm-oe.h, config/i386/xm-aix.h,
607 config/i386/xm-i386.h, config/i386/xm-osf.h,
608 config/i860/xm-i860.h, config/i960/xm-i960.h,
609 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
610 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
611 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
612 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
613 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
614 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
615 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
616 config/pj/xm-pj.h, config/romp/xm-romp.h,
617 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
618 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
619 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
620 config/v850/xm-v850.h, config/vax/xm-vax.h,
621 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
622 Do not define TRUE or FALSE.
624 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
625 empty by above change.
626 * config.gcc: Remove references to these files.
628 * configure.in: Detect stdbool.h.
629 * configure, config.in: Regenerate.
630 * system.h: Include stddef.h here if available.
631 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
632 Then set up a sensible boolean type at the very end.
634 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
635 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
637 * hash.h: Delete 'boolean' typedef and related #undefs.
639 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
640 all uses of 'boolean' with 'bool'.
642 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
644 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
645 * cppexp.c (lex): Cast enums for comparison.
646 * cppinit.c (parse_option): Cast enum for comparison.
647 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
648 (cpp_output_token): Likewise.
649 (cpp_can_paste): Cast enums for comparsion and plus/minus.
650 (cpp_avoid_paste): Cast enums for minus and comparison.
652 2001-03-01 Zack Weinberg <zackw@stanford.edu>
654 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
655 field to all array elements.
657 2001-03-01 Zack Weinberg <zackw@stanford.edu>
659 * cpphash.h (struct cpp_reader): Add print_version field.
660 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
661 just set print_version and other flags as appropriate.
662 (cpp_post_options): Print version here if print_version is set.
664 * toplev.c (exit_after_options): New flag.
665 (independent_decode_option): Don't exit here; just set
667 (main): Exit after calling lang_hooks.post_options if
668 exit_after_options is true.
670 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
671 (merge_include_chains): Adjust comment to match code.
673 2001-03-01 Zack Weinberg <zackw@stanford.edu>
675 * stringpool.c (set_identifier): New function.
676 * tree.h: Prototype it.
678 * c-parse.in: Kill D_YES. If compiled for objc, call
679 save_and_forget_protocol_qualifiers from init_reswords.
680 * objc/objc-act.c (remember_protocol_qualifiers,
681 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
682 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
684 (save_and_forget_protocol_qualifiers): New function.
685 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
687 2001-03-01 Diego Novillo <dnovillo@redhat.com>
689 * c-semantics.c (prune_unused_decls): Return error_mark_node
690 instead of (tree) 1 to stop traversing the tree chain.
692 2001-03-01 Bernd Schmidt <bernds@redhat.com>
694 Fix a problem introduced by Kenner's Feb 18 change.
695 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
696 flag_cse_skip_blocks only temporarily, not for ever.
698 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
700 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
701 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
703 * pa.c (emit_move_sequence): Verify operand0 is a hard register
704 before determining its register class.
706 2001-03-01 Bernd Schmidt <bernds@redhat.com>
708 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
709 from reg 4 if current_function_calls_setjmp.
710 (gen_nop_type): New function.
711 (ia64_emit_nops): New function.
712 (ia64_reorg): Call it.
713 (ia64_sched_reorder): Move code that rotates bundles up a bit.
715 * reload1.c (eliminate_regs_in_insn): Restrict the special case
716 code not to try to optimize adds with anything but a REG destination.
718 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
719 (INSN_PRIORITY_KNOWN): New accessor macro.
720 * haifa-sched.c (priority): Use it instead of testing priority against
723 2001-02-28 DJ Delorie <dj@redhat.com>
725 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
726 since that doesn't work the way gcc wants on a generic m68k.
728 2001-02-28 Richard Henderson <rth@redhat.com>
730 * caller-save.c (save_call_clobbered_regs): Fix typo in
731 comparison last change.
733 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
735 * i386.c (pentium4_cost): New.
736 (m_PENT4): New macro.
737 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
738 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
739 x86_integer_DFmode_moves, x86_partial_reg_dependency,
740 x86_memory_mismatch_stall): Add Pentium4
741 (x86_use_q_reg, x86_use_any_reg): Kill.
742 (override_options): Add pentium4.
743 (incdec_operand): Return 0 for pentium4.
744 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
745 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
746 (TARGET_PENTIUM4): Define.
747 (enum processor_type): Add PROCESSOR_PENTIUM4.
748 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
749 * i386.md (attribute "cpu"): Add pentium4.
750 * invoke.texi (march): Add pentium4.
752 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
754 * i386.md (sse_mov?fcc*): New patterns and splitters.
755 * i386.c (ix86_expand_movcc): Work post-reload; recognize
756 the SSE based conditional moves.
758 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
760 * i386.md (attribute mode): Add "TI".
761 (movsf_1): Add pxor support; remove constant propagation splitter.
762 (movdf_integer): Likewise.
763 (movdf_nointeger): Likewise.
764 (movxf constant prop splitter): Handle all modes; update for SSE.
765 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
766 * i386.c (standard_80387_constant_p): Rewrite.
767 (standard_sse_constant_p): New.
768 * i386-protos.h (standard_sse_constant_p): New.
770 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
772 * i386.md (sse_setccsf, sse_setccdf): New.
773 (sse_cmp* patterns): Use '%D' instead of outputtting condition
775 * i386.c (sse_comparison_operator): Accept the supported unordered
776 comparses; be ready for fast_math.
777 (print_operand): Support 'D'.
779 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
781 * jump.c (reversed_comparison_code): Kill.
783 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
785 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
788 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
790 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
791 add missing '%' in constraints.
793 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
795 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
796 for HOST_BITS_PER_WIDE_INT == 32 too.
798 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
800 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
802 (insert_save, insert_restore): New parameter save_mode.
803 (init_caller_save): Update initialization of reg_save_code
804 and reg_restore_code.
805 (save_call_clobbered_regs): Compute save_modes and update calls to
806 reg_save_code and reg_restore_code.
807 (insert_restore): Unsignetize numbers; use save_modes to choose mode
808 of spill; update use of reg_restore_code.
809 (insert_save): Likewise.
810 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
811 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
812 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
814 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
816 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
817 noce_try_store_flag_inc, noce_try_store_flag_mask,
818 noce_try_cmove_arith):
819 Use reversed_comparison_code instead of reverse_comparison and
820 can_reverse_comparison_p.
822 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
824 * jump.c (reversed_comparison_code_parts): Allow reversal of
825 unordered compares in -ffast-math mode; reverse ordered compares
826 for FP even w/o -ffast-math.
828 2001-02-27 Richard Henderson <rth@redhat.com>
830 * print-rtl.c (print_rtx) [i]: Don't print field five on
831 NOTEs other than NOTE_INSN_DELETED_LABEL.
833 2001-02-27 Zack Weinberg <zackw@stanford.edu>
835 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
836 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
838 2001-02-27 Diego Novillo <dnovillo@redhat.com>
840 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
841 even if walk_subtrees is 0.
842 * c-semantics.c (prune_unused_decls): Return a non-null value to
843 stop traversing the tree chain.
845 2001-02-27 DJ Delorie <dj@redhat.com>
847 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
848 register, *then* define it as the new CFA.
850 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
852 * pa.c (override_options): Promote -fpic to -fPIC.
853 (legitimize_pic_address): Simplify due to removal of
854 small PIC as a code generation option.
855 (secondary_reload_class): Similarly.
856 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
857 (PRINT_OPERAND_ADDRESS): Similarly.
858 * pa.md (various patterns): Similarly.
859 (small pic lo_sum pattern): Remove.
861 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
864 * md.texi (min, max): Document
866 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
868 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
869 TARGET_PARTIAL_REG_DEPENDENCY.
870 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
872 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
874 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
876 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
878 * mips.c (mips_make_temp_file): Fix thinko in last change.
880 2001-02-26 Jason Eckhardt <jle@redhat.com>
882 * combine.c (known_cond): Do not reverse the condition when
883 SMAX/UMAX is being considered and the condition is for equality
886 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
888 2001-02-26 Philip Blundell <philb@gnu.org>
890 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
892 * config/arm/linux-elf.h: Remove historical relics related to
893 above configurations.
894 * config/arm/linux-oldld.h: Delete.
895 * config/arm/linux-elf26.h: Delete.
897 2001-02-26 Jason Merrill <jason@redhat.com>
899 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
901 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
902 recognize a tentative definition. Lose obsolete code.
904 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
905 variables unless necessary, either.
907 2001-02-25 Richard Henderson <rth@redhat.com>
909 * ifcvt.c (struct noce_if_info): Add test_bb.
910 (noce_get_alt_condition): New.
911 (noce_try_minmax, noce_try_abs): New.
912 (noce_operand_ok): New.
913 (noce_process_if_block): Use them.
914 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
916 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
918 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
921 2001-02-25 Zack Weinberg <zackw@stanford.edu>
923 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
924 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
926 (mips_asm_file_end): Free temp_filename here.
928 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
930 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
931 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
933 * config/i386/i386.md (movstrsi): Handle FAIL case.
935 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
937 * cppinit.c (builtin_array): Update.
938 (init_builtins): Flag builtins to warn if redefined or
939 undefined. Define __GXX_WEAK as a normal macro.
940 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
941 * cpplib.h (NODE_WARN): New flag.
942 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
943 Handle __STDC__ as a builtin only on Solaris.
944 (warn_of_redefinition): Renamed from check_macro_definition.
945 Reverse sense of test. Always warn if NODE_WARN.
946 (_cpp_create_definition): Use warn_of_redefinition. Flag
947 any macro beginning with "__STDC_" to require a mandatory
948 warning if redefined or undefined.
950 2001-02-24 Zack Weinberg <zackw@stanford.edu>
952 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
953 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
954 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
955 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
956 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
957 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
959 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
960 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
961 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
962 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
963 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
965 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
966 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
969 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
970 Delete now-empty file.
972 * alpha/vms.h: Define NEED_ATEXIT here...
973 * alpha/xm-vms.h: ...not here.
975 * i386/cygwin.h: Don't define PARAMS.
976 * mips/mips.c: Don't prototype mktemp. Don't define
977 P_tmpdir. Use make_temp_file to create temporary files.
978 Don't be clever and delete temporary files early.
979 * config.gcc: Drop references to deleted files. Don't define
981 * gcc.texi: Don't mention USE_PROTOTYPES.
983 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
985 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
986 (ix86_set_move_mem_attrs_1): Likewise.
987 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
988 * config/i386/i386.md (movstrsi): Call it.
990 2001-02-24 Zack Weinberg <zackw@stanford.edu>
992 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
993 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
994 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
995 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
997 (i750a-*-*): Error here if hosting on i750a.
998 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
1000 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
1001 Remove (empty modulo comments).
1003 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
1004 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
1005 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
1006 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
1007 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
1008 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
1010 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
1011 Remove reference to winnt.h in comment.
1012 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
1014 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1016 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
1017 used to set another biv.
1019 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1021 * tree.h (BLOCK_DEAD): New macro.
1022 (struct tree_block): New flag, dead_flag.
1023 * print-tree.c (print_node, case 'b'): Print missing fields.
1024 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1025 * function.c (identify_blocks): Enable test for misplaced notes.
1026 (all_blocks): Skip BLOCK_DEAD blocks.
1027 * integrate.c (integrate_decl_tree): Likewise.
1029 * errors.c (internal_error, trim_filename): New functions.
1030 (fancy_abort): Call internal_error.
1031 * errors.h (internal_error, trim_filename): New declarations.
1033 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1035 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1037 (EXTRA_CONSTRAINT): Formatting changes.
1039 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1041 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1043 2001-02-23 Per Bothner <per@bothner.com>
1045 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1046 so they can be called from java/jvspec.c.
1047 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1049 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1051 * i386.c (ix86_frame): New structure.
1052 (ix86_compute_frame_size): Kill.
1053 (ix86_compute_frame_layout): New.
1054 (ix86_save_reg): New.
1055 (ix86_can_use_return_insn_p): Use frame layout stuff.
1056 (ix86_expand_prologue): Likewise.
1057 (ix86_expand_epilogue): Likewise.
1058 (ix86_initial_elimination_offset): Likewise.
1059 (ix86_nsaved_regs): Use ix86_save_reg.
1060 (ix86_emit_save_regs): Likewise.
1062 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1064 * flow.c (find_sub_basic_blocks): New function.
1065 (split_block): Be ready for basic block introduced by CODE_LABEL.
1066 (commit_one_edge_insertion): Call find_sub_basic_block.
1068 * flow.c (make_edges): Add edge from entry for blocks starting with
1069 label having ALTERNATE_NAME
1071 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1073 * function.c (epilogue_done): Be ready for first basic block not
1074 containing PROLOGUE_END note.
1075 (reposition_prologue_and_epilogue_notes): Avoid placing
1076 PROLOGUE_END note between BASIC_BLOCK.
1078 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1080 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1082 2001-02-21 DJ Delorie <dj@redhat.com>
1084 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1085 check for current_function_has_nonlocal_goto from 1999-11-12.
1087 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1089 * diagnostic.c (trim_filename): No longer static.
1090 * toplev.h (trim_filename): Declare.
1091 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1092 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1093 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1094 (rtvec_check_failed_bounds): Likewise.
1095 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1097 * convert.c (convert_to_integer): Don't do unsigned unless result or
1098 both inputs are unsigned.
1100 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1103 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1105 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1107 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1109 * Makefile.in (resource.o): Add params.h dependence.
1110 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1111 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1112 * resource.c: Add dependence on params.h.
1113 (current_live_regs): Fix explanatory comment.
1114 (find_basic_block): Add new parameter to permit limiting search
1116 (mark_target_live_regs): Add new argument to find_basic_block call.
1117 (incr_ticks_for_insn): Likewise.
1119 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1121 * diagnostic.c (output_to_stream): Rename to
1122 output_buffer_to_stream. Loses the stream parameter.
1123 (init_output_buffer): Set diagnosic_buffer's stream.
1124 (flush_diagnostic_buffer): Adjust.
1125 (default_print_error_function): Likewise.
1126 (finish_diagnostic): Likewise.
1127 (verbatim): Likewise.
1129 * diagnostic.h (struct output_buffer): Add `stream' field.
1130 (output_buffer_attached_stream): New macro.
1132 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1134 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1135 check if either operand is divisible by C.
1136 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1137 If type is signed, consider negative numbers as well.
1139 2001-02-22 Richard Henderson <rth@redhat.com>
1141 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1142 reach .text instead of gp-relative relocs.
1143 * config/ia64/crtend.asm (.init): Likewise.
1145 2001-02-22 Andreas Jaeger <aj@suse.de>
1147 * extend.texi (C++ Attributes): Fix typo.
1149 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1151 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1152 functions, drop current_function_args_info.words test.
1153 (ia64_compute_frame_size): Mark syscall_linkage functions as
1154 using eight input registers.
1156 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1157 Bruce Korb <bkorb@gnu.org>
1159 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1160 * fixinc/README: Document how to convert sed substitutions
1161 to format style c_fix-es.
1162 * fixinc/fixincl.x: regen
1164 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1166 * gcc.c: Add comment explaining how to add a command-line option.
1167 Add title to specs language comment.
1169 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1171 * gcc.c (cc1_options): Add "-param".
1172 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1173 (option_map): Likewise.
1174 * toplev.c (display_help): Add entry for "--param".
1175 (independent_decode_option): Fix typographical error.
1177 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1178 Bernd Schmidt <bernds@redhat.com>
1179 Jan Hubicka <jh@suse.cz>
1181 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1182 (function_arg): Likewise.
1184 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1186 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1188 2001-02-21 Kazu Hirata <kazu@hxi.com>
1190 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1194 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1196 * flow.c (init_propagate_block_info): Canon address and use single_set
1197 for killing dead memory stores.
1199 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1201 * Makefile.in (reorg.o): Add params.h dependence.
1202 * params.def: Fix typographical error in comment.
1203 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1204 * params.h: Modify introductory comment.
1205 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1206 * reorg.c: Add dependence on params.h.
1207 (redundant_insn): Add parameterized throttle for search.
1208 (fill_simple_delay_slots): Add a comment explaining a variable.
1209 Move conditional out of loop, simplifying code.
1210 (fill_eager_delay_slots): Fix typographical error in comment.
1212 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1214 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1216 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1217 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1219 2001-02-21 Jason Merrill <jason@redhat.com>
1221 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1222 (struct tree_decl): Add uninlinable bitfield.
1223 * c-decl.c (duplicate_decls): Set it.
1224 * integrate.c (function_cannot_inline_p): Check it.
1226 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1227 DW_AT_MIPS_linkage_name to abstract methods.
1228 (dwarf2out_abstract_function): Emit class context before calling
1229 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1230 (gen_subprogram_die): Remove obsolete code.
1231 (gen_member_die): Don't include clones in the member list.
1232 (gen_decl_die): Emit abstract info for clone origin.
1233 * dwarfout.c (output_type): Don't include clones in the member list.
1234 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1235 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1236 DECL_ABSTRACT on a function that already has it set.
1238 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1239 (get_subprogram_die): Pass it in.
1241 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1243 * flow.c (mark_set_1): Make not_dead unsigned long. For
1244 non-pseudos, use it as a bitmask of the hard regs that
1247 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1249 * cppfiles.c: Update comments.
1250 (_cpp_read_file): Don't check for NULL filenames any more.
1251 * cppinit.c (cpp_start_read): Don't do canonicalization of
1252 in_fname and out_fname. Use the passed file name exclusively.
1253 (_cpp_handle_options): Don't treat "-" as a command line option,
1254 but as a normal filename.
1255 (_cpp_post_options): Canonicalize in_fname and out_fname.
1256 * cppmain.c (printer_init): Don't check out_fname for NULL.
1257 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1258 (init_c_lex): Update, and use "" to represent stdin to CPP.
1261 2001-02-20 Will Cohen <wcohen@redhat.com>
1263 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1264 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1265 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1268 2001-02-20 Stan Shebs <shebs@apple.com>
1270 * config/rs6000/rs6000.c (output_cbranch): Output branches
1271 on separate lines instead of using ';' to separate.
1273 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1275 * cppinit.c (set_lang): Move builtin handling to...
1276 (init_builtins): ...here.
1277 (_cpp_create_reader): Move call to set_lang.
1279 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1281 * stmt.c (expand_return): If an attempt is made to return the
1282 error_mar_node, treat the return like a return without a value.
1284 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1286 * sibcall.c (skip_copy_to_return_value): Call
1287 identify_call_return_value here, and return orig_insn if it
1288 returns zero. Hardret and softret arguments now unnecessary.
1289 (call_ends_block_p): Don't call identify_call_return_value here.
1291 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1293 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1294 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1296 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1298 * pa.c (move_operand): Accept code to load the address of a
1299 symbol out of the DLT as a valid move operand.
1300 (print_operand, case 'A'): New to handle generating a DLT
1301 reference for a LO_SUM expression.
1302 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1303 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1305 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1307 * README, cpp.texi, gcc.texi, version.c: Update version number to
1309 * cpp.1, gcov.1, gcc.1: Regenerate.
1311 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1313 * cppfiles.c (stack_include_file): Generate dependencies
1314 here, and manage include_count here too.
1315 (PRINT_THIS_DEP): Delete.
1316 (_cpp_execute_include): Do not generate dependencies here,
1317 apart from the case of a missing header. Do not manage
1319 (_cpp_read_file): Leave dependency generation to
1322 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1324 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1325 target_cpu_default. Remove dead assignment to
1328 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1330 * regclass.c (contains_reg_of_mode): Make global.
1331 (init_reg_sets): Remove contains_reg_of_mode; take into account
1332 CLASS_MAX_NREGS when looking for the proper mode.
1333 (dump_regclass): Dump only classes considered for the pseudo.
1334 (regclass): Use contains_reg_of_mode.
1336 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1338 * gcc.c (do_spec_1): 'n' for printing notices.
1339 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1341 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1343 * reg-stack.c (next_flags_user): Use current_block->end
1344 (swap_rtx_condition): Look for next user if flags don't die;
1345 give up on CALL_INSNs; use current_block->end.
1347 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1349 * sibcall.c (call_ends_block_p): New function.
1350 (optimize_sibling_and_tail_recursive_call): Use it.
1352 2001-02-18 Kazu Hirata <kazu@hxi.com>
1354 * config/h8300/h8300.md: Update copyright.
1355 (andsi3): Do not output an extra newline character.
1357 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1359 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1360 FNDECL may be unused.
1362 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1363 follow jumps after first run.
1364 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1365 it doesn't change any jumps.
1367 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1369 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1370 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1371 (mostlyclean): Corresponding changes.
1372 * rtlanal.c (hard-reg-set.h): Include.
1373 (rtx_unstable_p): Do not treat the argument pointer specially
1374 if it is not a fixed register.
1375 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1377 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1379 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1380 against last real insn in basic block.
1381 Rework to avoid gotos.
1383 * Makefile.in (gcse.o): Now includes ggc.h.
1384 * gcse.c: Include ggc.h.
1385 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1386 (try_replace_reg): Remove warning of uninitialize variable.
1387 (process_insert_insn): Call invalid_insn_p to validate insn.
1388 * recog.c (insn_invalid_p): Now global.
1389 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1390 * recog.h (insn_invalid_p): New declaration.
1392 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1394 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1395 assignments from FP constants since 'Y' output code can't handle it.
1396 (eligible_for_sibcall_delay): Likewise.
1398 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1399 Call fancy_abort directly, passing args.
1400 (print_rtl_and_abort): Now a macro, like fancy_abort.
1402 * final.c (output_operand_lossage): Use internal_error, not error.
1404 2001-02-18 Shane Nay <shane@agendacomputing.com>
1406 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1407 structure shift insns.
1409 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1411 * invoke.texi (-fsquangle): Remove documentation.
1412 (-fname-mangling-version): Likewise.
1414 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1416 * optabs.c (expand_abs): Remove reference to
1417 HAVE_contitional_arithmetic.
1418 * combine.c (simplify_set): Likewise.
1420 2001-02-18 Richard Henderson <rth@redhat.com>
1422 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1425 2001-02-18 Richard Henderson <rth@redhat.com>
1427 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1429 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1431 * reload1.c (reload_cse_simplify_set): Fix typo.
1433 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1435 * diagnostic.c (_fatal_insn): Decrement errorcount.
1437 * invoke.texi (-I): Add note avoiding use for system header files.
1439 * rtl.h (add_clobbers): Remove duplicate declaration.
1440 * recog.h (added_clobbers_hard_reg_p): New declaration.
1441 * genemit.c (struct clobber_pat): New field has_hard_reg.
1442 (gen_insn): Record if added clobbers clobber hard reg.
1443 (gen_split): Avoid unused warning if number of operands is 0.
1444 (output_added_clobbers_hard_reg_p): New function.
1447 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1449 * pa.c (hppa_expand_prologue): Simplify code storing return
1450 pointer. For large (>=8k) frames with a post_store, adjust stack
1451 pointer by 8k-64 first rather than by 64. When testing with
1452 VAL_14_BITS_P, always use the actual value rather than the value
1453 negated. Add blockage to prevent scheduling of spills before
1454 stack frame has been created.
1455 (hppa_expand_epilogue): Simplify code loading return pointer.
1456 Allow a slightly larger range for merge_sp_adjust_with_load case.
1457 When testing with VAL_14_BITS_P, always use the actual value.
1459 * pa.c (pa_adjust_insn_length): Check that block move
1460 pattern is a set before looking at operands.
1462 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1464 * fold-const.c (fold_binary_op_with_conditional_arg): New
1465 function, split out from ...
1467 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1468 conditional arms that throw exceptions.
1470 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1473 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1475 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1476 define HAVE_DECL_* to 1 to mask potential backup declarations.
1477 * configure: Regenerated.
1479 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1481 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1483 2001-02-17 Richard Henderson <rth@redhat.com>
1485 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1486 when replacing a memory load with a register.
1488 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1489 Jan Hubicka <jh@suse.cz>
1491 * recog.c (validate_replace_src_1): New.
1492 (validate_replace_src_data): Likewise.
1493 (validate_replace_src): Use note_uses.
1494 * rtl.h (note_uses): Declare.
1495 * rtlanal.c (note_uses): New.
1497 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1499 * reg-stack.c (stack_def): Make field reg unsigned.
1500 (remove_regno_note): Unsignetize parameter.
1502 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1504 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1505 shladd_operand() call.
1507 2001-02-16 Bruce Korb <bkorb@gnu.org>
1508 Rodney Brown <RodneyBrown@mynd.com>
1510 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1511 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1512 machine restrictions
1513 * fixinc/fixincl.x: regen
1515 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1517 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1519 (hash_scan_insn): Clean up calls to hash_scan_set.
1520 (compute_kill_rd): REGNO now unsigned.
1521 (try_replace_reg): Rework to use simplify_replace_rtx.
1522 (cprop_jump, cprop_cc0_jump): Likewise.
1523 (cprop_insn): Call find_reg_equal_equiv_note.
1524 Reflect changes to cprop_jump and cprop_cc0_jump.
1526 * recog.c (validate_replace_src): Replace in operands of
1527 ZERO_EXTRACT in SET_DEST.
1529 * cse.c (new_label_ref): New variable.
1530 (insert): Set it instead of recorded_label_ref.
1531 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1532 CODE_LABEL for this function, and not already in REG_LABEL note.
1534 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1536 * resource.c (mark_referenced_resources): Fix typo in introductory
1538 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1541 2001-02-16 Jason Merrill <jason@redhat.com>
1543 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1545 (gen_subprogram_die): Don't abort on seeing a second definition if
1546 the previous one was abstract. Don't replace an abstract instance
1547 in the lookup table.
1549 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1550 gen_abstract_function.
1551 * dwarf2out.h: Declare it.
1552 * toplev.c (note_outlining_of_inline_function): New fn.
1553 * toplev.h: Declare it.
1554 * integrate.c (output_inline_function): Call it.
1555 * c-decl.c (duplicate_decls): Call it when redefining an extern
1556 inline. Don't inline the new defn.
1558 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1560 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1562 * .gdbinit: Rename to gdbinit.in.
1563 * gdbinit.in: New file,
1564 * configure.in: Generate .gdbinit from gdbinit.in.
1565 * configure: Regenerated.
1566 * Makefile.in (distclean): Always remove .gdbinit.
1568 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1570 * objc/objc-act.c (start_class): Register implemented_classes with
1573 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1575 * cppfiles.c (_cpp_make_system_header): Generate a file
1578 2001-02-15 Jim Meyering <meyering@lucent.com>
1580 * Makefile.in (install-common): Don't depend on installdirs here.
1581 Instead, make each of the lang.install-common targets (e.g.,
1582 c++.install-common in cp/Make-lang.in) depend on it.
1583 (install-driver): Depend on installdirs.
1585 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1587 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1589 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1592 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1594 * invoke.texi (--param): Document.
1596 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1598 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1600 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1602 * i386.md (extendsfdf2_2): Fix constraints.
1604 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1606 * i386.md (fop_df_3 splitter): Fix operand number.
1608 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1610 * invoke.texi (-mreg-alloc): Nuke.
1611 * i386.c (ix86_reg_alloc_order, regs_allocated,
1612 order_regs_for_local_alloc): Nuke.
1613 (override_options): Kill reg_alloc code.
1614 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1615 (REG_ALLOC_ORDER): SSE goes before I387.
1616 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1617 (ix86_reg_alloc_order): Likewise.
1618 * i386-protos.h (ix86_reg_alloc_order): Kill.
1620 2001-02-14 Richard Henderson <rth@redhat.com>
1622 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1624 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1626 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1628 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1630 * i386-protos.h (ix86_memory_move_cost): Move offline.
1631 * i386.c (ix86_register_move_cost): Compute properly cost of
1632 SSE, MMX and i387 instructions.
1633 (*_cost): Add costs of SSE/MMX moves.
1634 (ix86_memory_move_cost): Move offline from ....; Likewise.
1635 * i386.h (MEMORY_MOVE_COST): .... here;
1636 (struct processor costs): Add new fields to represent costs
1639 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1641 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1642 move_cost together with Matt Kraai's fix.
1644 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1646 * Makefile.in (OBJS): Add params.o.
1648 2001-02-14 Richard Henderson <rth@redhat.com>
1649 DJ Delorie <dj@redhat.com>
1651 * jump.c (jump_optimize_1): When we delete a conditional jump
1652 preceeding a non-conditional jump to effectively the same place,
1653 make sure that the combined jump skips any clobber insns between
1656 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1658 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1660 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1662 * Makefile.in (toplev.o): Depend on params.h.
1663 (intergate.o): Likewise.
1664 (params.o): New target.
1665 * flags.h (inline_max_insns): Remove.
1666 * integrate.c: Include params.h.
1667 Use MAX_INLINE_INSNS instead of inline_max_insns.
1668 * params.c: New file.
1669 * params.h: Likewise.
1670 * params.def: Likewise.
1671 * toplev.c: Include params.h.
1672 (lang_independent_params): New variable.
1673 (decode_f_option): Use the param machinery instead of setting
1675 (independent_decode_option): Handle "--param name=value".
1676 (main): Register language-independent parameters.
1678 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1680 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1682 2001-02-14 Richard Henderson <rth@redhat.com>
1684 * regclass.c (init_reg_sets_1): Revert last two changes.
1686 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1688 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1689 (variable_size): Call put_pending_size.
1690 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1691 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1692 sizes list, put newly created SAVE_EXPR there as well.
1694 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1696 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1697 (errata_find_address_regs): load_group has only 2 entries.
1698 (errata_emit_nops): Likewise. shladd is not problematic.
1699 Clear last_group if nop was emitted.
1700 (fixup_errata): load_group has only 2 entries.
1703 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1705 * c-lex.c (lex_number): Only warn traditionally for U suffix
1706 outside system macros.
1707 * cppexp.c (parse_number): Similarly.
1708 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1709 * cppmacro.c (struct cpp_macro): New member node.
1710 (parse_args): Only warn about missing rest args if not
1712 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1713 (cpp_sys_objmacro_p): New.
1714 (_cpp_create_definition): Store the node with the macro defn.
1715 Remember if the macro is defined in a system header.
1717 2001-02-13 DJ Delorie <dj@redhat.com>
1719 * configure.in (check_languages): determine languages to check
1720 * Makefile.in (check-c++): alias for check-g++
1721 (check-f77): alias for check-g77
1722 (CHECK_TARGETS): depend on configured languages
1724 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1726 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1727 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1728 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1729 (sqrtextendsfdf2): Disable for SSE2.
1731 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1733 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1734 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1735 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1736 (sqrtextendsfdf2): Disable for SSE2.
1738 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1740 * i386.md (movsfcc_1): Support integer cmove instruction.
1741 (movdfcc_1): Likewise; new splitter.
1743 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1745 * i386.c (output_fp_compare): Support SSE.
1746 (prepare_fp_compare_args): SSE comparisons always support memory.
1747 * i386.h (TARGET_CMOVE): SSE imply cmove.
1748 * i386.md (cmp?f2): Enable for SSE too.
1749 (cmpfp_i*): Support SSE.
1751 (cmpfp_i_sse_only): New.
1752 (s*, b* fp expanters): Enable for SSE too.
1753 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1756 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1758 * regclass.c (init_reg_sets_1): Silence warning.
1760 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1762 * i386.md (sqrt?f2): Change to expander.
1763 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1765 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1767 * rtlanal.c (find_reg_equal_equiv_note): New function.
1768 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1769 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1770 * rtl.h: Add declarations for above functions.
1772 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1774 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1776 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1777 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1778 * flow.c (mark_regs_live_at_end): Likewise.
1779 (calculate_global_regs_live): Likewise.
1780 * gcse.c (compute_hash_table): Likewise.
1781 (compute_kill_rd): Likewise.
1782 * resource.c (mark_target_live_regs): Likewise.
1783 * rtl.h (INVALID_REGNUM): New macro.
1785 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1787 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1789 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1791 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1794 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1796 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1798 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1799 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1800 (fop_sf_1_sse, fop_df_1_sse): New patterns
1801 (fop_*): Disable float_extend and float patterns for SSE compilation.
1802 * i386.c (output_387_binary_op): Support SSE.
1804 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1806 * i386.md (dummy_extendsfdf2): Support SSE2
1807 (extendsfdf2): Enable if 80387 or SSE2.
1808 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1809 and no MIX_I387_SSE2
1810 (extendsfdf2_1_sse_only): New pattern.
1811 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1813 (truncdfsf2_1): Support SSE.
1814 (truncdfsf2_2): Support SSE.
1815 (truncdfsf2_2_1_sse): New pattern.
1816 (fixtruncsfsi2): Always use SSE if available.
1817 (fix_truncsfsi_sse): New pattern.
1818 (fix_truncdfsi_sse): New pattern.
1819 (floatsis?f2): Support SSE.
1820 (floatsidf2_i387): New pattern.
1821 (floatsidf2_sse): Likewise.
1823 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1825 * configure.in: Use "have_gnat" variable, not "gnat".
1826 * configure: Regenerated.
1828 * config/sparc/sparc.c (function_value): Treat all non-record
1829 aggregate types like used to treat UNION_TYPE.
1831 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1833 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1834 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1836 (MASK_MIX_SSE_I387): New.
1837 (TARGET_SSE): SSE2 imply SSE.
1838 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1839 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1840 (enum reg_class): Add new classes.
1841 (REG_CLASS_NAMES): Likewise.
1842 (REG_CLASS_CONTENTS): Likewise.
1843 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1844 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1845 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1846 (CLASS_MAX_NREGS): Use new macros.
1847 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1848 * i386.md (pushsf, movsf): Support SSE.
1849 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1850 splitters to use ANY_FP_REGNO_P.
1851 (movdf_nointeger, movdf_integer): Likewise.
1853 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1855 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1856 (try_combine): Use it.
1858 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1860 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1861 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1862 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1863 (REGISTER_MOVE_COST): Likewise.
1864 * i386-protos.h (ix86_secondary_memory_needed,
1865 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1866 * i386.c (ix86_secondary_memory_needed,
1867 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1869 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1871 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1872 (HARD_REGNO_MODE_OK): Move offline to ....
1873 * i386.c (ix86_hard_regno_mode_ok) ... here;
1874 refuse all incorrect modes.
1875 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1877 2001-02-13 Richard Henderson <rth@redhat.com>
1879 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1880 entire operator; replicate that and match_dup the operands.
1881 (cmp_ccx_arith_op_set): Likewise.
1882 (cmp_cc_arith_op_not_set): Likewise.
1883 (cmp_ccx_arith_op_not_set): Likewise.
1885 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1887 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1889 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1891 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1892 (TARGET_NO_BITFIELD_WORD): New macro.
1893 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1894 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1896 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1898 * cselib.c: New file, from simplify-rtx.c.
1899 * simplify-rtx.c: Remove cselib parts.
1900 * Makefile.in: Add cselib.o.
1902 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1904 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1905 (setup_incoming_varargs): Remove warning.
1907 * config/rs6000/rs6000.c (validate_condition_mode): When
1908 flag_fast_math, allow floating-point conditionals to be reversed.
1909 (rs6000_generate_compare): When flag_fast_math, don't generate
1910 cror operations for FP conditionals.
1912 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1914 (ASM_SPEC): Likewise.
1915 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1916 (CC1_SPEC): Likewise.
1917 (LINK_TARGET_SPEC): Likewise.
1918 (CPP_ENDIAN_SPEC): Likewise.
1919 * Makefile.in (check-consistency): New target.
1921 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1923 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1924 "return type defaults" warning for functions with return type
1926 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1927 function declarations by default rather than only when pedantic.
1929 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1931 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1934 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1936 * extend.texi (Deprecated): Deprecate new initializer lists.
1938 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1940 * mkdeps.c (deps_add_default_target): Robustify. Add
1941 basename component only.
1942 * cpp.texi (-M): Describe how default target is generated.
1943 * invoke.texi (-M): Likewise.
1945 2001-02-12 Kazu Hirata <kazu@hxi.com>
1947 * toplev.c (push_float_handler): Remove.
1948 (pop_float_handler): Remove.
1949 * toplev.h: Remove prototypes for the above functions.
1951 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1953 * c-common.c (constant_fits_type_p): New function.
1954 (convert_and_check): Use it.
1956 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1958 * Makefile.in (GXX_ABI_FLAG): Don't define.
1959 * configure.in (--enable-new-gxx-abi): Remove option.
1960 * config.in: Regenerated.
1961 * configure: Likewise.
1963 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1965 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1967 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1968 regular basic block, and arrange for all edges into it to switch
1971 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1973 * Makefile.in (distclean): Do not remove .gdbinit.
1975 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1977 * Makefile.in (gcc.o): Fix typos.
1978 (protize.o): Likewise.
1979 (unprotoize.o): Likewise.
1981 2001-02-11 Richard Henderson <rth@redhat.com>
1983 * tree.c (build1): Check for null operand in last change.
1985 2001-02-11 Richard Henderson <rth@redhat.com>
1987 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1988 (fold): Don't assume a constant isn't foldable.
1989 * tree.c (build): Set TREE_CONSTANT for an expression with no
1990 side-effects and constant operands.
1993 2001-02-10 Richard Henderson <rth@redhat.com>
1995 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1997 2001-02-10 Anthony Green <green@redhat.com>
1999 * cpp.texi (Standard Predefined): Add documentation for
2002 * c-common.c (combine_strings): Improve warning message.
2004 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
2006 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
2008 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
2010 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
2012 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
2015 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
2017 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
2020 2001-02-09 Nick Clifton <nickc@redhat.com>
2022 * config/arm/arm.md: Change output contraint on post inc
2023 load/store multiple patterns to be a read/write contraint.
2025 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2027 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2028 .o files when using the -M options.
2030 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2031 David Edelsohn <edelsohn@gnu.org>
2033 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2034 handle DImode constants. Use one TOC entry for SImode and smaller
2035 constants, aligned properly.
2037 2001-02-08 Jason Merrill <jason@redhat.com>
2039 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2040 about the SP adjustment for saving the static chain pointer.
2041 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2042 offset when setting a temporary CFA register.
2044 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2046 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2047 powerpc-*-chorusos* .
2048 * config/rs6000/chorus.h : New file.
2049 * config/i386/chorus.h : New file.
2050 * config/sparc/chorus.h : New file.
2051 * config/sparc/t-chorus-elf : New file.
2053 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2055 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2056 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2057 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2058 (__WCHAR_TYPE__): Correct macro name.
2060 2001-02-08 Richard Henderson <rth@redhat.com>
2062 * config/i386/i386.c (ix86_frame_pointer_required): New.
2063 (ix86_setup_frame_addresses): New.
2064 (struct machine_funciton): Add accesses_prev_frame.
2065 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2066 ix86_frame_pointer_required.
2067 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2068 (SETUP_FRAME_ADDRESSES): New.
2069 * config/i386/i386-protos.h: Update.
2070 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2071 from FRAME_POINTER_REQUIRED.
2072 * config/i386/svr3gas.h: Likewise.
2073 * config/i386/sysv3.h: Likewise.
2074 * config/i386/v3gas.h: Likewise.
2076 2001-02-08 Richard Henderson <rth@redhat.com>
2078 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2079 calculation of the number of integer registers required.
2080 (function_arg_record_value): Likewise.
2082 2001-02-08 Jason Merrill <jason@redhat.com>
2084 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2085 two. Print file and line with "confused" message.
2087 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2089 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2091 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2093 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2095 * final.c (cleanup_subreg_operands): The address of a MEM can
2098 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2101 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2103 * gcc.texi (Incompatibilities): Update documentation of
2104 preprocessing numbers.
2106 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2108 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2110 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2112 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2114 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2115 * gcc.c (struct compiler): Add cpp_spec field.
2116 (input_file_compiler): New variable.
2117 (do_spec_1): Allow a particular compiler to handle `%C'
2119 (main): Store the current compiler in input_file_compiler.
2120 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2122 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2124 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2125 * cppinit.c (cpp_create_reader): Initialize them.
2126 (append_include_chain): cxx_aware arg might be unused.
2127 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2128 keywords and give them their phase 7 meaning. Pedwarn about
2129 this unless '__bool_true_false_are_defined' is defined.
2131 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2133 * lcm.c (optimize_mode_switching): Emit mode_set before the
2134 JUMP_INSN of an abnormal edge.
2136 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2138 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2139 a scheduling barrier at the end.
2141 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2143 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2145 * config/sh/sh.md (reload_outsf): Removed.
2146 (movsf_ie): Introduce constraints for FPUL loads and stores.
2147 (reload_insf): Broaden the output constraint.
2149 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2151 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2152 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2154 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2156 * final.c: Revert my previous changes.
2157 * output.h: Make profile_label_no extern.
2158 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2159 for generating label.
2161 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2163 * config/i386/djgpp.h: Add comments about standard paths.
2164 (MD_EXEC_PREFIX): Undefine before defining.
2165 (MD_STARTFILE_PREFIX): New.
2167 2001-01-30 Bruce Korb <bkorb@gnu.org>
2169 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2170 (load_file): do not rely on load_file_data() to close file pointer
2171 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2172 fixinc/inclhack.def(irix_limits_const): add test_text
2174 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2176 * cppexp.c (parse_defined): Improve diagnostics for invalid
2179 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2181 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2183 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2185 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2186 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2187 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2188 (rs6000_output_symbol_ref): New function.
2189 (output_toc): Use VTABLE_NAME_P.
2191 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2193 * print-tree.c (print_node, case PARM_DECL):
2194 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2196 * stor-layout.c (reference_types_internal): New variable.
2197 (internal_reference_types): New function.
2198 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2199 * tree.h (internal_reference_types): New declaration.
2201 * cse.c (find_best_addr): Fix typo in computing cost.
2203 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2205 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2206 and this is the sum of a pointer and a constant, we know the result
2208 (num_sign_bit_copies, case PLUS): Likewise.
2209 * explow.c (convert_memory_address): Remove opposite SUBREG.
2210 * function.c (instantiate_new_reg): New function (from common code).
2211 (instantiate_virtual_regs_1): Call it.
2212 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2213 if pointers sign- or zero-extend.
2214 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2215 If pointers extend unsigned, use inside of SUBREG.
2216 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2218 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2220 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2221 subdir of gcc_gxx_include_dir.
2222 (gcc_gxx_target_include_dir): Remove.
2224 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2226 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2227 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2228 a high-level description.
2230 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2232 * final.c: Move the declaration of profile_label_no to ...
2233 * output.h: ... here.
2234 * function.c (expand_function_start): Call PROFILE_HOOK.
2235 * config/rs6000/aix.h: Define PROFILE_HOOK.
2236 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2237 * config/rs6000/rs6000.c (output_profile_hook): Define.
2238 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2239 output_profile_hook.
2240 tm.texi : Explain new macro PROFILE_HOOK.
2242 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2244 * extend.texi (Extended Asm): Do not say that semicolon is always
2245 a valid line-breaking character for GNU assemblers. Use
2246 newline-tab as the most commonly supported syntax. Use
2247 newline-tab rather than semicolon in multi-insn examples.
2249 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2251 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2253 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2254 David Edelsohn <edelsohn@gnu.org>
2256 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2257 code for AIX, even without flag_pic.
2259 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2261 * c-typeck.c (common_type): push and pop binding level around
2262 calling common_type on function parameters.
2264 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2266 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2268 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2270 * config/mips/mips.c (override_options): Fix typo in last change.
2271 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2272 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2274 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2276 * invoke.texi (-fdump-class-layout): Document.
2277 (-fdump-translation-unit): Use `=' as filename separator.
2279 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2281 * Makefile.in (s-mlib): Don't build multilibs if
2283 (DRIVER_DEFINES): Adjust accordingly.
2285 (protoize.o): Likewise.
2286 (unprotoize.o): Likewise.
2287 * configure.in: Recognize --enable-multilib.
2289 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2291 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2293 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2294 * configure.in: Remove --enable-libstdcxx_v3 support.
2295 * configure: Regenerated.
2297 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2299 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2300 Call abort instead of fatal.
2301 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2302 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2303 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2304 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2305 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2306 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2308 * diagnostic.h (set_internal_error_function): Renamed.
2309 * toplev.h (internal_error): Renamed from fatal.
2310 (pfatal_with_name): Deleted.
2311 (fatal_io_error): Now has printf-style arguments.
2312 * diagnostic.c (pfatal_with_name): Deleted.
2313 (fatal_io_error): Rework to have args in printf-style.
2314 (set_internal_error_function): Renamed from set_fatal_function.
2315 (internal_error): Renamed from fatal.
2316 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2317 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2318 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2319 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2320 * flow.c (verify_flow_info): Likewise.
2321 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2322 * config/mips/mips.c (save_restore_insns): Likewise.
2324 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2325 * flow.c (verify_flow_info): Likewise.
2326 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2327 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2328 (avr_normalize_condition): Likewise.
2329 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2330 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2331 (limit_reload_class, double_reg_to_memory): Likewise.
2332 (print_operand_address, emit_1600_code_shift): Likewise.
2333 (gen_tst_reg, gen_compare_reg): Likewise.
2334 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2335 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2337 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2339 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2340 * objc/objc-act.c (build_ivar_chain): Likewise.
2341 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2343 * graph.c (clean_graph_dump_file): Likewise.
2344 * profile.c (init_branch_prob): Likewise.
2345 * objc/objc-act.c (objc_init): Likewise.
2347 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2348 * config/avr/avr.c (avr_override_options): Likewise.
2349 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2350 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2351 * config/h8300/h8300.c (h8300_init_once): Likewise.
2352 * config/mips/mips.c (override_options): Likewise.
2353 * config/i386/i386.c (override_options): Likewise, rework.
2354 * config/m68k/m68k.c (override_options): Likewise.
2356 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2358 * config/mips/mips.c (print_operand): Likewise.
2359 * hash.c (hash_allocate): Don't check for failure returns from
2360 obstack functions that can't fail.
2361 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2362 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2363 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2364 (get_object_reference): Likewise.
2366 2001-02-04 Nick Clifton <nickc@redhat.com>
2368 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2369 StrongARM1110, 10TDMI, and 1020T.
2371 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2373 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2375 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2377 * config/sh/sh.md (movdf load split): Pass register number to
2378 FP_OR_XD_REGISTER_P.
2380 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2382 * cppinit.c (BC): New macro.
2383 (builtin_array): Add __GXX_WEAK__.
2384 * cpplib.h (builtin_type): Add BT_WEAK.
2385 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2386 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2387 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2389 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2391 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2393 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2395 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2396 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2398 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2400 * cpphash.h: Rename ALIGN _ALIGN.
2401 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2403 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2405 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2406 compilation environment.
2407 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2408 control over location of cygwin includes and libs.
2410 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2412 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2414 2001-02-02 lars brinkhoff <lars@nocrew.org>
2416 * md.texi (Standard Names): remove reference to spur.md.
2418 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2420 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2421 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2422 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2423 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2424 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2426 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2428 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2429 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2430 number before reload.
2431 (c4x_adjust_cost): Return zero before reload.
2432 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2433 split before reload.
2435 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2437 * c4x.c (c4x_hard_regno_rename_ok): New.
2438 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2439 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2441 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2443 * diagnostic.h: Add missing "extern" in all declarations.
2445 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2447 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2448 as for gcc_gxx_include_dir.
2450 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2452 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2454 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2456 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2457 label before alignment to be used as the braf base address.
2458 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2460 (casesi_jump_2): Require at least TARGET_SH2.
2462 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2463 truncation to 32-bit doubles on -m3e and -m4-single-only.
2465 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2467 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2468 the default when building a shared object.
2469 (init_spec): Use it.
2470 * testsuite/lib/g++.exp: Include the directory where libgcc
2471 is located to the LD_LIBRARY_PATH list.
2472 * invoke.texi (-shared-libgcc): Document the cases in which
2473 GCC defaults to using the shared libgcc.
2475 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2477 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2478 unsigned is wide enough.
2480 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2481 (si_to_float): Likewise.
2482 (float_to_si, float_to_usi): Use BITS_PER_SI.
2484 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2486 * dwarf2out.c: Added explanation of abbreviations.
2487 (def_cfa_1): Added comments listing DWARF2 instructions.
2488 (cfa_temp_reg): Removed in favor of cfa_temp.
2489 (cfa_temp_value): Removed in favor of cfa_temp.
2490 (cfa_temp): New global variable.
2491 (dwarf2out_frame_debug_expr): Added extensive introductory
2492 comments explaining the function's transformations. Revised to
2493 use cfa_temp. Added some rtx checking. Generalize IOR case.
2494 (dwarf2out_frame_debug): Revised to use cfa_temp.
2495 (output_aranges): Cast as "unsigned" to avoid warning.
2496 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2497 explain which instructions must be marked.
2499 2001-02-01 Richard Henderson <rth@redhat.com>
2501 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2504 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2506 * config/sh/crt1.asm (main_k): Modified so that start calls
2507 ___setup_argv_and_call_main.
2509 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2511 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2512 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2513 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2514 * cppmacro.c (builtin_macro): Set builtin flags here.
2515 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2516 (replace_args): Clarify intent.
2517 (cpp_get_token): Macro expansion tokens get the saved flags.
2519 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2522 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2524 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2527 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2529 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2530 returns Pmode pseudo, but we need ptr_mode.
2531 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2532 Remove bogus conversions; use HOST_WIDE_INT for size.
2533 Don't use TARGET if wrong mode.
2535 * config/i386/i386.c (ix86_compute_frame_size): Allow
2536 stack_alignment_needed to be non-default even if size is zero.
2538 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2540 * (hppa_init_pic_save): Emit the pic offset table
2541 reg save after last_parm_insn.
2542 * pa.c (hppa_init_pic_save): New function.
2543 * pa.h (hppa_init_pic_save): Declare.
2544 * pa.md (call, call_value, sibcall, sibcall_value): Use
2545 the above instead of duplicated code.
2547 * pa.c (hppa_encode_label): Correct size of alloca buffer
2548 so we don't overrun it. Correct leading `*' case.
2549 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2550 need to handle `*@'.
2551 (FUNCTION_NAME_P): Likewise.
2553 2001-01-31 Richard Henderson <rth@redhat.com>
2555 * config.gcc (alpha-osf5): Use float-i128.h.
2557 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2558 * config/float-i32.h: Likewise.
2559 * config/float-i64.h: Likewise.
2560 * config/float-sh.h: Likewise.
2561 * config/float-sparc.h: Likewise.
2563 2001-01-31 DJ Delorie <dj@redhat.com>
2565 * expmed.c (extract_bit_field): allow non-integral modes if we
2566 want to extract a whole register from itself.
2568 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2570 * c-typeck.c (set_init_index): If first is equal to last, assume as
2571 if it was not a range at all.
2573 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2575 * config/fp-bit.c: Include tm.h.
2576 (float_to_si): Don't assume SImode is 32-bits wide.
2577 (float_to_usi): Likewise.
2579 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2581 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2583 (typename): Call pending_xref_error after parsing typed_typespecs.
2584 * c-decl.c (lookup_tag): Give error immediately rather than
2585 leaving it pending if the tag of the wrong type is in the same
2587 (xref_tag): Don't pedwarn for forward declarations of enum types
2589 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2592 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2594 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2596 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2598 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2599 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2601 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2603 * cpphash.h (struct cpp_reader): New saved_flags.
2604 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2605 to avoid a paste after a pasted token.
2607 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2609 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2610 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2611 Wtype_MIN instead of LONG_MIN.
2613 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2615 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2617 * fixinc/fixincl.x: Regenerated.
2618 * fixinc/inclhack.def (irix_limits_const): New definition to
2619 convert "const" to "__const" in limits.h.
2621 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2623 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2625 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2627 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2628 when register dies in the insn.
2630 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2632 * diagnostic.c (fatal): Fix word wrap.
2634 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2636 * combine.c (try_combine): Fix SUBREG setting for
2637 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2639 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2641 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2644 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2646 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2648 * toplev.c (decode_W_option): Update warn_larger_than
2649 unconditionally for each processed switch.
2651 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2653 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2655 (hppa_expand_prologue): Delete code to save pic offset table register
2656 in the function prologue.
2657 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2658 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2659 table register at the beginning of the function after the prologue.
2661 2001-01-29 lars brinkhoff <lars@nocrew.org>
2663 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2665 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2666 Jeff Law <law@redhat.com>
2668 * pa.md (return): Revise comment for trivial return.
2669 (return_internal): Non-trivial return pattern for non-PIC code.
2670 (return_internal_pic): Non-trivial return pattern for PIC code.
2671 It uses the PIC register to ensure it is restored after
2673 (epilogue): Generate appropriate return for PIC and non-PIC code.
2675 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2677 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2679 2001-01-29 DJ Delorie <dj@redhat.com>
2681 * combine.c (if_then_else_cond): Pass the correct mode to
2682 operand_subword() for constants.
2684 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2686 * config/i386/cygwin.h: Add w32api to include search. Search different
2687 directories in a cross-build environment.
2689 2001-11-29 Tim Josling <tej@melbpc.org.au>
2691 * tree.h (TYPE_STUB_DECL): Add documentation.
2693 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2695 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2696 (sdbout_field_types): Likwise. Fix use of host_integerp.
2698 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2700 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2703 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2705 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2706 to use flag_gnu_linker.
2708 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2710 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2711 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2713 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2715 * tree.c, tree.h (build_parse_node): Remove; was identical to
2717 * c-lang.c (start_cdtor), objc/objc-act.c
2718 (build_module_descriptor): Use build_nt instead of
2721 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2723 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2724 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2725 not have any upper bits set.
2727 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2729 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2731 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2733 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2735 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2737 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2738 (integer_minus_one_node): Define.
2740 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2742 * Makefile.in (bootstrap2-lean): Fix typo.
2744 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2746 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2747 : Don't set fe_value.
2748 * cpplib.h (AVOID_LPASTE): New flag.
2749 (struct cpp_hashnode): Remove fe_value.
2750 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2751 * cppmacro.c (builtin_macro): Don't set flags here.
2752 (replace_args): Set AVOID_LPASTE flag on first token of an
2753 argument, and the token following it.
2754 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2755 macro expansion, and on the token following it. Do it for
2757 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2759 2001-01-27 Richard Henderson <rth@redhat.com>
2761 * config/alpha/t-ieee: Remove multilibbing.
2762 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2764 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2766 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2768 * Makefile.in: Remove all dependencies on defaults.h.
2769 * builtins.c: Don't include defaults.h.
2770 * c-common.c: Likewise.
2771 * c-decl.c: Likewise.
2772 * c-pragma.c: Likewise.
2773 * c-typeck.c: Likewise.
2774 * combine.c: Likewise.
2776 * frame-ia64.c: Likewise.
2777 * cppexp.c: Likewise.
2778 * crtstuff.c: Likewise.
2779 * dbxout.c: Likewise.
2780 * dwarf2out.c: Likewise.
2781 * dwarfout.c: Likewise.
2782 * emit-rtl.c: Likewise.
2783 * except.c: Likewise.
2785 * final.c: Likewise.
2786 * frame-dwarf2.c: Likewise.
2787 * libgcc2.c: Likewise.
2788 * optabs.c: Likewise.
2789 * profile.c: Likewise.
2790 * sdbout.c: Likewise.
2791 * toplev.c: Likewise.
2792 * tradcif.y: Likewise.
2794 * varasm.c: Likewise.
2796 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2798 * builtins.c (expand_builtin_fputs): Use size_one_node when
2799 transforming into fwrite.
2801 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2803 * extend.texi (Attribute Syntax): New section.
2805 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2807 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2808 they didn't need fixing.
2810 2001-01-27 Janis Johnson <janis@us.ibm.com>
2812 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2814 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2815 to remove macro definitions that are duplicated from elfos.h.
2817 2001-01-27 Richard Henderson <rth@redhat.com>
2819 * config/i386/sco5gas.h: Move ...
2820 * config/usegas.h: ... here.
2821 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2823 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2825 * c-typeck.c (struct constructor_stack): Add range_stack member.
2826 (really_start_incremental_init): Clear it.
2827 (push_init_level): Save constructor_range_stack and clear it if
2828 pushing explicit braces.
2829 (pop_init_level): abort if constructor_range_stack is non-zero at
2830 explicit closing brace. Restore saved constructor_range_stack if
2833 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2835 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2836 into register was forced into memory.
2838 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2840 * Makefile.in: Remove uses of + before $(MAKE).
2842 2001-01-26 Richard Henderson <rth@redhat.com>
2844 * stmt.c (cost_table): Remove.
2845 (COST_TABLE, cost_table_initialized): New.
2846 (estimate_case_costs): Use the later instead of the former.
2847 (balance_case_nodes): Likewise.
2849 2001-01-26 Richard Henderson <rth@redhat.com>
2851 * alias.c (objects_must_conflict_p): Read-only slots may not
2852 conflict despite having the same type.
2854 2001-01-27 Michael Hayes <mhayes@redhat.com>
2856 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2858 (check_ext_dependant_givs): Initialise u_start_val and
2860 (load_mems): Make last_max_reg unsigned.
2861 (try_swap_copy_prop): Use INSN_P and initialise set.
2863 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2865 * README.AVR : Removed.
2867 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2869 * pa-64.h (text_section): Remove declaration.
2871 * pa.md (return_internal): Remove mode on PIC register use.
2873 2001-01-25 lars brinkhoff <lars@nocrew.org>
2875 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2876 ASM_CLOSE_PAREN): fix typos.
2878 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2880 * acconfig.h: Define `const' to the empty string if neither
2881 __STDC__ nor __cplusplus is defined.
2882 * config.in: Regenerated.
2884 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2886 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2887 * collect2.c (main): Delete importf. Add ".obj" file extension.
2888 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2889 (aix_std_libs): Add additional AIX libraries to skip.
2890 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2891 * config/rs6000/aix51.h: New file.
2893 2001-01-25 Michael Hayes <mhayes@redhat.com>
2895 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2896 (loop_insn_emit_before): No longer static.
2897 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2898 (loop_givs_rescan, load_mems): Likewise.
2899 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2900 (maybe_eliminate_biv_1):
2901 (move_movables): Replace emit_call_insn_before with
2902 loop_call_insn_hoist.
2903 * loop.h (loop_insn_emit_before): Add.
2904 * unroll.c (copy_loop_body): Replace emit_insn_before with
2905 loop_insn_emit_before.
2907 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2909 * diagnostic.c (fatal): Request preprocessed source.
2911 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2913 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2914 olddecl has argument types and newdecl has none, use the argument
2917 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2919 * dwarf2out.c (prefix_of): New function. Determine longest common
2920 prefix of the two arguments. The units are whole path components.
2921 (output_file_names): When adding a new directory find the one entry
2922 with the longest common prefix already in the list. Artificially
2923 generate entry if there is none for this prefix.
2924 Fix test to check whether the zeroth directory entry is used.
2926 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2928 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2929 Changed all callers. Take it into account when deciding if a
2930 previously loaded value matches.
2932 2001-01-24 Richard Henderson <rth@redhat.com>
2934 * reload.c (find_reloads_subreg_address): Fail the substitution
2935 if the resulting address is insufficiently aligned.
2937 2001-01-24 DJ Delorie <dj@redhat.com>
2939 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2940 check the original operand's mode also.
2941 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2943 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2945 * c-parse.in (cast_expr): Move compound literals from here ...
2946 (primary): ... to here. Use standard terminology "compound
2947 literal" instead of "constructor expression".
2949 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2951 * gcc.1, cpp.1: Regenerate.
2953 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2955 * calls.c (emit_library_call_value_1): Memory slot for
2956 pass-by-reference argument should have the mode of the argument,
2957 not of the pointer to it.
2959 2001-01-24 Tom Tromey <tromey@redhat.com>
2961 * gcc.texi (G++ and GCC): Mention gcj manual.
2962 (Standards): Link to section of manual mentioning gcj/Java
2965 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2967 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2968 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2969 * tradcpp.c (main): Add -imacros or -include'd dependencies
2971 * cpp.texi (-M, -MM): Document -M -include behaviour.
2973 2001-01-24 Roger Collins <roger@ProProject.com>
2975 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2977 2001-01-24 Will Cohen <wcohen@redhat.com>
2979 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2980 whether registers are 32 bits or 64 bits in size.
2982 2001-01-24 Ben Elliston <bje@redhat.com>
2984 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2986 2001-01-24 Richard Henderson <rth@redhat.com>
2988 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2989 (builtin_longjmp): Use it instead of emit_indirect_jump.
2991 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2993 * bb-reorder.c (make_reorder_chain_1): Handle case where
2994 jump edge goes to the same block as the fallthru edge.
2996 2001-01-23 Jim Wilson <wilson@redhat.com>
2998 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2999 * frame.h (__ia64_personality_v1): Add prototype.
3000 * libgcc2.c (ia64_throw_helper): Change personality declaration to
3001 prototype form. Add void * cast to first argument to personality
3003 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
3004 (asctoe113): Likewise.
3005 * config/ia64/frame-ia64.c: Include eh-common.h.
3006 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
3008 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
3010 (itanium_split_issue): Add prototype.
3011 (gen_nop_type): Ifdef out.
3012 (find_best_packet): Initialize best_packet.
3013 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
3015 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
3016 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
3017 (flushrs): Add explicit stop bit at end.
3018 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
3021 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3023 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3025 * libgcc2.c (__terminate_func): Make variable static.
3026 (__terminate_set_func): New function to set __terminate_func.
3027 * libgcc2.h (__terminate_func_ptr): New typedef.
3028 (__terminate_set_func): New function.
3030 2001-01-23 Richard Henderson <rth@redhat.com>
3032 * flow.c (init_propagate_block_info): Don't consider unchanging
3033 memories for dead frame store elimination.
3035 2001-01-23 Richard Henderson <rth@redhat.com>
3037 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3038 * defaults.h: ... here.
3040 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3042 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3044 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3046 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3048 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3050 * rs6000.h (rs6000_return_addr): Move prototype from here...
3051 * rs6000-protos.h (rs6000_return_addr): ...to here.
3052 (rs6000_init_expanders): Delete prototype.
3054 2001-01-23 Nick Clifton <nickc@redhat.com>
3056 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3057 (Spec Files): Document %B and %j and %. and %v3 and %M and
3058 %{S*&T} spec switches.
3060 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3062 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3064 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3065 Neil Booth <neil@daikokuya.demon.co.uk>
3067 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3068 Have -Werror make pedantic warnings errors, like the
3071 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3073 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3075 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3077 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3078 * integrate.c (expand_inline_function): Initialize them.
3079 (subst_constants): If changing COMPARE so that both its arguments
3080 will be VOIDmode and the comparison mode will be lost, note
3081 compare_mode. Use the recorded compare_mode to optimize
3084 2001-01-23 Jason Merrill <jason@redhat.com>
3086 * dwarf2out.c (new_die): Use xcalloc.
3087 (output_die): Abort rather than emit a local reference to offset 0.
3089 2001-01-17 Andrew Haley <aph@redhat.com>
3091 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3092 of a saved register; return NULL instead.
3093 (copy_reg): Take a pointer to a source register rather than a
3095 (next_stack_level): Remember the address in the stack frame of all
3097 Use the saved register pointer array as the source of the CFA.
3098 (throw_helper): Rewrite. Unwind once rather than twice and keep
3099 track of saved registers as we go.
3101 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3103 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3104 * c4x.c (c4x_legitimize_reload_address): Remove.
3105 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3106 reload address for ldp(k) insn.
3108 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3110 * pa.md (return_internal): Add a USE of the PIC register to ensure
3111 it is restored after each call.
3112 (return expander): Corresponding changes.
3114 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3116 * rs6000.h (INIT_EXPANDERS): Delete.
3117 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3118 * rs6000.c (rs6000_override_options): Call *_machine_status from
3120 (rs6000_init_expanders): ...instead of here. Delete.
3121 (rs6000_mark_machine_status): New function.
3122 (rs6000_init_machine_status): Use xcalloc.
3123 (rs6000_return_addr): Generate RTX for the return address.
3124 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3125 (rs6000_stack_info): Use it.
3127 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3129 * gthr-win32.h: Include errno.h to get a declaration for
3130 EINVAL and _mingw.h if the target is mingw32.
3132 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3134 * cpp.texi: Correct typos.
3136 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3138 * explow.c (probe_stack_range): Ensure value passed to
3139 stack_check_libfunc is ptr_mode, not Pmode.
3141 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3143 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3144 case, don't use operand_subword to calculate a SUBREG that is
3147 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3149 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3151 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3152 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3153 valid. If not replace it by equivalent insns.
3155 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3157 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3158 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3159 (c4x_U_constraint, symbolic_address_operand): Likewise.
3160 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3162 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3163 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3164 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3165 anulling slot because of silicon bug.
3166 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3168 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3170 * cppexp.c (parse_charconst): Change `mask' type to agree
3173 2001-01-21 Richard Henderson <rth@redhat.com>
3175 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3176 pic_label_name in a linkonce section.
3178 2001-01-17 Philipp Thomas <pthomas@suse.de>
3180 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3182 * configure: Regenerate.
3184 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3186 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3187 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3189 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3191 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3192 If REVERSE nonzero then condition code in X must be reversed.
3193 (encode_section_info): Optimise if/else.
3194 (avr_function_value): Fix formatting.
3196 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3197 (difficult_branch): Likewise.
3198 (rvbranch): Likewise.
3199 (difficult_rvbranch): Likewise.
3201 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3203 * config/avr/libgcc.S: Fix comment.
3205 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3207 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3209 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3211 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3213 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3215 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3216 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3217 * configure, config.in: Regenerate.
3218 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3219 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3220 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3221 (doprint.o): New rule.
3223 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3225 * c-typeck.c (digest_init): Handle boolean types as scalars.
3227 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3229 * stmt.c (expand_return): Don't return anything if size is zero.
3230 Delete redundant assignment to BYTES.
3231 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3233 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3235 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3236 the same as the default library function names.
3237 * config/avr/avr.md: Document special characters after '%'.
3238 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3239 knowing which of the call-used registers are really clobbered.
3240 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3241 New. Both quotient and remainder from one libgcc.S call.
3242 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3243 clobber as few registers as possible.
3244 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3246 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3248 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3249 context of the top of the stack.
3251 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3253 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3254 (fixup_var_refs_insns): ...here.
3256 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3258 * function.c (fixup_var_refs_insns): Break up into
3259 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3260 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3261 [loop over hash table entries].
3262 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3263 fixup_var_refs_insns_with_hash, to match above changes.
3265 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3267 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3268 (libgcc.a): Likewise.
3269 (stmp-multilib): Likewise.
3270 (STAGE2_FLAGS_TO_PASS): Likewise.
3272 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3274 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3275 temporary if no_new_pseudos.
3277 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3279 * cppinternals.texi: Update.
3281 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3283 * arm.c (arm_init_builtins): Re-enable builtins.
3285 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3287 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3288 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3289 element to be null, and always expect an EXPR_LIST.
3290 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3291 * sched-deps.c (sched_analyze_1): Likewise.
3292 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3294 * regclass.c (max_set_parallel): New variable.
3295 (reg_scan): Take it into account in computation of max_parallel.
3296 (reg_scan_mark_refs, case SET): Compute it.
3298 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3300 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3301 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3303 2001-01-19 Jason Merrill <jason@redhat.com>
3305 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3306 for the abstract instance of an inline function.
3308 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3309 J"orn Rennecke <amylaar@redhat.com>
3311 * reload1.c (move2add_note_store): Treat all registers directly or
3312 indirectly derived from a base register as members of the same set
3314 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3315 of base register into account.
3317 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3319 * alias.c (find_base_value): Recognize TRUNCATE.
3320 (record_set): In PLUS case, invalidate if other summand is also a
3323 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3325 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3326 entry to be EXPR_LIST.
3327 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3328 be an EXPR_LIST (but not null, which other code doesn't allow).
3329 (note_stores): Properly handle PARALLEL in SET.
3330 Recursively call for top-level PARALLEL.
3331 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3332 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3334 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3336 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3338 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3339 not pfile->skipping (== 0).
3341 2001-01-17 Nick Clifton <nickc@redhat.com>
3343 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3346 2001-01-17 Jim Wilson <wilson@redhat.com>
3348 * invoke.texi (IA-64 options): Improve.
3350 2001-01-17 Tom Tromey <tromey@redhat.com>
3352 * invoke.texi (Optimize Options): Use `{}' to around @samp
3355 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3357 * invoke.texi (-fno-guess-branch-probability): New option.
3359 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3361 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3362 case of making new double-word constant.
3363 Revert last change: instead just test i3_subst_into_i2.
3365 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3367 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3368 Use q constraints instead of r.
3370 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3372 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3373 (machine_function): Define.
3374 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3375 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3376 pa_free_machine_status): New functions.
3377 (override_options): Set {init,mark,free}_machine_status to above.
3378 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3379 PIC_OFFSET_TABLE_REGNUM_SAVED.
3380 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3381 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3382 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3383 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3384 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3386 2001-01-15 DJ Delorie <dj@redhat.com>
3388 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3392 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3394 * flow.c (propagate_on_insn): Make trying to delete a prologue
3395 or epilogue insn an ICE, not a warning. Allow doing this if
3396 the current function returns with stack pointer depressed.
3398 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3399 I3 having more than one SET.
3401 2001-01-16 Jim Wilson <wilson@redhat.com>
3403 * invoke.texi: Document IA-64 options.
3405 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3406 (fixup_errata): Delete TARGET_A_STEP use.
3407 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3408 (TARGET_SWITCHES): Delete -ma-step option.
3409 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3410 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3411 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3412 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3413 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3414 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3416 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3417 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3418 cmovsi_internal): Delete ! TARGET_A_STEP check.
3420 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3422 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3423 possibility to report bugs via postal mail. Change a URL and
3424 merge in a nearly duplicate statement...
3425 (Bug Reporting): ...from here.
3426 (Service): Refer to the Bug Reporting section instead of
3428 (Contributing): Remove trivial explanations concerning snapshots.
3430 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3432 * cppmain.c (general_init): Don't use ANSI prototype.
3434 2001-01-16 Tom Tromey <tromey@redhat.com>
3436 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3438 2001-01-16 Richard Henderson <rth@redhat.com>
3440 * config/i386/i386.h: Fix comment typo.
3441 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3442 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3444 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3446 * gcc.c: Revert previous -fsyntax-only-related change; move
3449 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3451 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3452 inmode after checking GET_CODE (op).
3454 2001-01-16 Richard Henderson <rth@redhat.com>
3456 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3457 (MAX_MEM_SET_LIST_LEN): New.
3458 (propagate_one_insn): Update mem_set_list_len.
3459 (invalidate_mems_from_autoinc): Likewise.
3460 (invalidate_mems_from_set): Likewise.
3461 (mark_used_regs): Likewise.
3462 (init_propagate_block_info): Likewise. Stop collecting memories
3463 when we reach MAX_MEM_SET_LIST_LEN.
3464 (mark_set_1): Likewise.
3466 2001-01-16 Richard Henderson <rth@redhat.com>
3468 * unroll.c (precondition_loop_p): Fail if no iteration
3471 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3473 * gcc.c: When -fsyntax-only is given, do not complain about
3476 2001-01-15 Richard Henderson <rth@redhat.com>
3478 * config/i386/i386.c (asm_output_function_prefix): Remove.
3479 (ix86_asm_file_end): New.
3480 (load_pic_register): Generate pic_label_name into a
3481 staticly allocated buffer.
3482 * config/i386/i386-protos.h: Update.
3483 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3484 (ASM_FILE_END): New.
3485 * config/i386/i386afe.h: New file.
3486 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3487 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3488 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3489 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3490 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3491 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3492 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3494 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3496 * Makefile.in (install-man): Remove explicit dependency on
3499 * configure.in, configure: Revert previous patch requiring perl
3502 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3504 * toplev.c (flag_guess_branch_prob): New.
3505 (f_options): Add guess-branch-probability option.
3506 (rest_of_decl_compilation): Only estimate branch probability if
3508 (main): set flag_guess_branch_prob.
3510 * flags.h (flag_guess_branch_prob): New.
3512 2001-01-15 DJ Delorie <dj@redhat.com>
3514 * gcc.texi (Makefile): Add documentation for Makefile targets.
3516 2001-01-15 Philip Blundell <philb@gnu.org>
3518 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3520 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3521 (is_pic): Delete declaration.
3522 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3523 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3524 * config/arm/arm.md (builtin_setjmp_receiver): New.
3526 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3528 * arm.c (use_return_insn): Don't try to determine the function type
3529 until after reload has completed.
3530 (arm_output_epilogue): Don't adjust the sp value recovered from the
3532 (emit_multi_reg_push): Don't record dwarf information for the pc.
3533 * arm.md (eh_epilogue): The function type may have changed, so it
3534 needs to be recalculated.
3535 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3536 unwind tables on arm/netbsd.
3538 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3540 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3541 (negated_cbranchsi4): Likewise.
3543 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3545 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3546 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3547 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3548 pass -mapcs-* options to assembler.
3549 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3550 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3551 (ASM_SPEC): Call subtarget_extra_asm_spec.
3553 2001-01-15 Andreas Jaeger <aj@suse.de>
3555 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3557 (ix86_expand_builtin): Likewise.
3559 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3560 warning about comparison between signed and unsigned.
3562 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3564 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3566 2001-01-14 Ralf Baechle <ralf@gnu.org>
3568 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3569 SUBTARGET_CPP_SPEC apropriatly.
3571 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3573 * varasm.c (make_decl_rtl): Fix typo in last change.
3575 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3577 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3578 linker supports the init_priority C++ attribute.
3579 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3580 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3581 linker does not support init_priority C++ attribute.
3583 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3585 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3587 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3589 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3590 * cp/lex.c (finish_parse): Similarly.
3591 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3592 Return the number of errors encountered.
3593 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3594 * cppmain.c (main): Don't call cpp_destroy.
3596 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3598 * configure.in: Require at least perl 5.6.0 to regenerate
3600 * configure: Regenerate.
3602 2001-01-14 Richard Henderson <rth@redhat.com>
3604 * genrecog.c (DT_veclen_ge): New.
3605 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3606 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3607 (nodes_identical_1): Handle DT_veclen_ge.
3608 (write_cond, debug_decision_2): Likewise.
3610 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3612 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3614 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3616 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3618 * cppmain.c (do_preprocessing): New function; most of the old
3620 (main): Call it to do most of the work.
3621 (cb): Move from global scope to set_callbacks ().
3622 (setup_callbacks): Get the callback pointer.
3623 (general_init, printer_init): Clean up code and comments.
3625 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3627 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3630 2001-01-14 Kazu Hirata <kazu@hxi.com>
3632 * config/h8300/h8300.c (get_shift_alg): Update comments.
3634 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3636 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3637 (alloc_page, ggc_alloc): Add casts to remove warnings.
3639 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3641 * combine.c (simplify_comparison): Don't change `code' when
3642 can't reverse comparison.
3644 2001-01-14 Richard Henderson <rth@redhat.com>
3646 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3647 update all call sites. Return true for all non-label constants.
3649 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3651 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3653 (ix86_expand_branch): Update.
3654 (ix86_expand_setcc): Update to handle multiple test conditions.
3655 (expand_int_movcc): Likewise.
3656 (expand_fp_movcc): Likewise.
3657 * i386-protos.h (ix86_expand_compare): New.
3658 * i386.md (andqi_?_slp, orqi_?_slp): New.
3659 (conditional trap expander): Update call to ix86_expand_compare.
3661 2001-01-14 Richard Henderson <rth@redhat.com>
3663 * config/vax/vax.md: Use nonimmediate_operand instead of
3664 general_operand in destinations.
3666 * config/vax/vax.md (indirect_jump): Use register_operand.
3668 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3669 * config/vax/vax.md (call_pop): Turn into an expander.
3670 (call_value_pop): Likewise.
3671 (call, call_value): New.
3673 2001-01-14 Andreas Jaeger <aj@suse.de>
3675 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3677 (ix86_fp_compare_mode): Add unused attribute.
3678 (ix86_expand_fp_movcc): Remove unused variable.
3679 (ix86_expand_builtin): Make fcode unsigned.
3681 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3682 (expand_expr): Add cast to avoid signed warning.
3683 (store_field): Likewise.
3684 (store_constructor_field): Likewise.
3685 (store_constructor): Likewise.
3686 (store_expr): Likewise.
3687 (clear_storage): Likewise.
3688 (emit_group_store): Likewise.
3689 (emit_group_load): Likewise.
3691 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3693 * c-common.c: Move format checking code to ...
3694 * c-format.c: ... here. New file. Reorder some functions and
3696 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3698 * c-common.h (decl_handle_format_attribute,
3699 decl_handle_format_arg_attribute): Declare.
3700 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3701 (c-common.o): Adjust dependencies.
3702 (c-format.o): New list of dependencies.
3704 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3706 * unroll.c (loop_iterations): If we cannot prove iteration variable
3707 is set once in each iteration, punt.
3709 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3711 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3712 (*strlenhi): Remove clobber (which was buggy) of output address.
3714 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3716 * Makefile.in (generated-manpages): Add gcc.1
3717 ($(srcdir)/gcc.1): New target.
3718 (maintainer-clean): Delete $(srcdir)/gcc.1.
3719 * gcc.texi: Add macros @gccoptlist and @gol.
3720 * invoke.texi: Include option summary in manpage. Mark up option
3721 summary with @gccoptlist and @gol. Use @r in one place where
3723 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3724 * gcc.1: Generate from invoke.texi.
3726 2001-01-13 Richard Henderson <rth@redhat.com>
3728 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3729 (struct page_entry): Add group member.
3730 (struct page_group): New.
3731 (struct globals): Add page_groups member.
3732 (alloc_anon): Only define for using mmap; remove valloc call.
3733 (page_group_index): New.
3734 (set_page_group_in_use): New.
3735 (clear_page_group_in_use): New.
3736 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3737 (free_page, release_pages): Likewise.
3738 * configure.in (with-gc): Default to ggc-page always.
3740 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3742 * reload1.c (replace_pseudos_in_call_usage): Use
3743 reg_equiv_constant and reg_equiv_address, and don't try
3744 regno_reg_rtx first.
3746 2001-01-13 Richard Henderson <rth@redhat.com>
3748 * ggc-page.c (alloc_page): Round up allocation size to one page.
3749 Set e->order on extra pages.
3751 2001-01-13 Richard Henderson <rth@redhat.com>
3753 * genrecog.c (nodes_identical): Expand commentary.
3754 (write_switch): Watch out for identical nodes.
3756 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3758 * cppfiles.c (_cpp_fake_include): New function.
3759 * cpphash.h (_cpp_fake_include): New.
3760 * cpplib.c (do_line): Call _cpp_fake_include when entering
3761 header files in preprocessed input.
3762 * cppmain.c (cb_pragma_implementation): Remove handling.
3763 (setup_callbacks): Don't register pragmas.
3765 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3767 * extend.texi: Udate for CPP.
3769 2001-01-13 Andreas Jaeger <aj@suse.de>
3771 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3773 * regmove.c: Add prototype for replace_in_call_usage.
3775 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3777 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3778 struct cpp_chunk, struct htab, struct toklist,
3779 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3780 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3781 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3782 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3783 (struct macro_args): Delete.
3784 * cpphash.h: See above.
3786 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3788 * cppmain.c (struct printer): Remove no_line_dirs.
3790 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3791 : Use options rather than CPP_OPTION.
3792 (setup_callbacks): Use cb rather than pfile->cb.
3793 (main): No need to check for a buffer. Use cpp_errors.
3794 (printer_init): Don't set no_line_dirs.
3795 (maybe_print_line): Use options not no_line_dirs.
3796 (cb_file_change): Don't call print_line if -P.
3798 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3800 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3802 * c-parse.in (finish_parse): Use cpp_errors.
3803 (__yylex): Use return value of cpp_pop_buffer.
3804 * cp/lex.c (finish_parse): Use cpp_errors.
3805 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3807 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3809 * README.AVR: URLs corrected.
3811 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3813 * c-decl.c (start_function): Don't warn if old prototype is builtin
3814 that's not in C's namespace.
3815 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3816 (_bb): Add prototype for ctime.
3817 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3819 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3821 * i386.c (ix86_fp_comparison_arithmetics_cost,
3822 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3823 ix86_fp_comparison_cost): New functions.
3824 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3825 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3826 two-branch sequences; make static.
3827 (ix86_use_fcomi_compare): Do decision according to the costs.
3828 (split_fp_branch): New.
3829 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3830 * i386-protos.h (ix86_expand_fp_compare): Remove
3831 (ix86_split_fp_branch): Declare.
3833 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3834 and ix86_comparison_operator.
3836 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3839 * i386.c (put_condition_code): Output properly the unordered/ordered
3840 compares in fp case.
3841 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3843 * tm.texi (REVERSE_CONDITION): Document.
3844 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3845 in -ffast-math mode.
3846 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3848 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3850 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3852 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3855 * config/sh/sh.c (mova_p): Fix test for mova_const.
3857 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3859 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3860 cpp_get_options rather than dereferencing pfile and using
3862 * scan-decls.c (scan_decls): Use return value of
3863 cpp_pop_buffer rather than CPP_BUFFER.
3865 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3867 * cppinit.c (cpp_handle_option): help_only is now part of the
3868 cpp_options structure.
3869 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3870 cpp_set_callbacks): New functions.
3871 * cpplib.h (cpp_callbacks): Break out as a named structure.
3872 (cpp_options): Move help_only here from cpp_reader.
3873 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3874 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3875 cpp_set_callbacks): New prototypes.
3876 * cppmain.c (main): Update for help_only.
3878 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3880 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3881 Also build and remove and install and uninstall c-tree.info and
3883 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3884 ($(srcdir)/cppinternals.info): New target.
3885 * c-tree.texi: Change file name used when makeinfo used without -o
3886 from ir.info to c-tree.info. Add info directory entry.
3887 * cppinternals.texi: Add info directory entry.
3888 * .cvsignore: Update.
3890 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3892 * c-typeck.c (store_init_value): Don't require constant initializer
3893 elements with -pedantic -std=c99.
3894 (digest_init): Change error about non-constant initializer elements
3896 (constructor_range_end): Remove.
3897 (constructor_incremental, designator_depth,
3898 designator_errorneous): New variables.
3899 (struct constructor_stack): Remove range_end, add incremental.
3900 (struct constructor_range_stack, constructor_range_stack): New.
3901 (struct initializer_stack): Add constructor_range_stack.
3902 (finish_init): Set it.
3903 (start_init): Likewise. require_constant_elements for non-static
3904 trees only if not flag_isoc99.
3905 (really_start_incremental_init): Remove constructor_range_end, add
3906 constructor_incremental.
3907 (pop_init_level): Likewise.
3908 (push_init_level): Likewise. If implicit and the subobject had some
3909 value set already, preinitialize the level with it.
3910 Warn about missing braces only if not pushing due to designators.
3911 (set_designator, push_range_stack): New functions.
3912 (set_init_label): Use them.
3913 (set_init_index): Likewise. Remove constructor_range_end.
3914 Error if designator index is outside of array bounds.
3915 (add_pending_init): Compare values of purpose index trees, not the
3916 trees themselves. Allow overwriting of already initialized element.
3917 Issue a warning if it had side-effects.
3918 (set_nonincremental_init, set_nonincremental_init_from_string): New
3920 (pending_init_member): Rename to...
3921 (find_init_member): ...this function. Call set_nonincremental_init
3922 if necessary. Compare values of purpose index trees, not the trees
3923 themselves. Return the actual value, not just non-zero if something
3925 (output_init_element): Remove checks for duplicates.
3926 If field has zero size, only check the initializer for correctness.
3927 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3928 if constructor_incremental is zero. Change error about initializers
3929 not computable at load time into pedwarn.
3930 (output_pending_init_elements): Compare bit positions, not
3931 FIELD_DECLs to take into account zero-sized fields.
3932 (process_init_element): Use constructor_range_stack to fill all
3933 ranges in the designator lists from current level up.
3934 * extend.texi: Update documentation for labeled elements.
3936 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3938 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3939 to function usage for arguments passed by reference. Optimize
3940 callee-copied arguments.
3941 * regmove.c (replace_in_call_usage): New function.
3942 (fixup_match_1): Call it.
3943 * cse.c (cse_insn): Canonicalize registers in function usage.
3944 * reload1.c (replace_pseudos_in_call_usage): New function.
3947 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3950 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3952 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3955 2001-01-12 DJ Delorie <dj@redhat.com>
3957 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3958 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3961 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3963 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3964 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3965 -std options alongside references to -ansi. Update some
3966 documentation for C99.
3967 * cpp.1: Regenerate.
3969 2001-01-12 Andreas Jaeger <aj@suse.de>
3971 * haifa-sched.c (restore_line_notes): Remove argument block B
3973 * sched-ebb.c (schedule_ebb): Change caller.
3974 * sched-rgn.c (schedule_region): Likewise.
3975 * sched-int.h (restore_line_notes): Adjust prototype.
3977 * loop.h: Remove wrong declaration of doloop_condition_get.
3979 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3981 * extend.texi: Move C++-extension-related node from the C section
3982 into the C++ section.
3984 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3986 * extend.texi: Refer to an array of pointers to functions instead
3987 of one of functions.
3989 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3990 Jan Hubicka <jh@suse.cz>
3992 * combine.c (reversed_comparison): Fix typo in last patch.
3994 (combine_reversed_comparison_code): Make static to follow
3995 prototype declaration.
3997 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3999 * install.texi: Remove misplaced duplicate entry.
4001 2001-01-11 Ulrich Drepper <drepper@redhat.com>
4003 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
4005 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
4007 * final.c: (leaf_function_p): Fix typo.
4009 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
4011 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
4012 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
4014 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
4015 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
4016 mmap_anon, and valloc is available.
4017 * ggc-page.c: Restructure ifdef logic to match new autoconf
4018 spec. Don't throw away the test page in init_ggc.
4020 * configure, config.in: Regenerate.
4022 2001-01-12 Michael Hayes <mhayes@redhat.com>
4024 * loop.h (total_biv_increment): Constify iv_class pointer.
4025 (struct induction): Replace `mem_mode' with `mem' rtx.
4026 * unroll.c (total_biv_increment): Constify iv_class pointer.
4027 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4028 (find_mem_givs, combine_givs_p): Likewise.
4029 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4031 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4033 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4035 (__gthread_getspecific): Ditto.
4037 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4039 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4040 put_condition_code): Convert fp comparison codes to integer
4042 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4045 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4046 * i386-protos.h (no_comparison_operator): Kill.
4048 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4050 * combine.c (REVERSIBLE_CC_MODE): Remove.
4051 (reversible_comparison_p): Remove.
4052 (combine_reversed_comparison_code): New.
4053 (reversed_comparison): New.
4054 (combine_simplify_rtx): Use
4055 combine_reversed_comparison_code/reversed_comparison instead
4056 of reversible_comparison_p.
4057 (simplify_if_then_else): Likewise.
4058 (simplify_set): Likewise.
4059 (simplify_logical): Likewise.
4060 (if_then_else_cond): Likewise.
4061 (known_cond): Likewise.
4062 (simplify_comparison): Likewise.
4064 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4066 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4067 sizeof (int) is larger than sizeof(__word__).
4069 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4071 * cppinit.c (do_includes): Fix typo.
4073 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4075 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4076 in S_REGS does not occur because not all sources are possible
4077 when a S_REGS is a destination (sometimes needs a clobber).
4078 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4079 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4080 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4081 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4082 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4083 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4084 (lshrdi_const1, lshrsi3_const16): Likewise.
4085 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4086 (*movhi_68hc12, *movqi_68hc12): Likewise.
4087 (movstrictqi): Make sure reloading in D_REGS as a destination
4090 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4092 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4094 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4096 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4097 -D, -U and -A, and don't initialize the builtins.
4098 (do_includes): Error if -include or -imacros with -fpreprocessed.
4099 * cppmain.c (cb_define, cb_undef): Unconditionally process
4101 * tradcpp.c (main): Fix typo.
4103 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4105 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4106 (read_name_map): Use IS_ABSOLUTE_PATH.
4107 * tradcpp.c (get_filename): Likewise.
4109 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4111 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4112 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4113 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4114 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4115 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4116 (cmphi_z_used): Don't use '@' for the output.
4117 (tstqi_z_used): Likewise.
4118 (cmpqi_z_used): Likewise.
4119 (one_cmplsi2): Likewise.
4121 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4123 * config/sh/sh.c (barrier_align): Recognize branch around far
4124 branch and redundant insn.
4126 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4128 * invoke.texi: Restore documentation of the drivers' switches -MD
4131 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4133 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4135 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4136 check-objc//%): Support parallel testing of multilibs.
4137 (TESTSUITEDIR): Set to testsuite by default, but override for
4139 (check-gcc, check-g++, check-g77, check-objc): Enter
4142 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4144 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4145 * sched-deps.c (deps_may_trap_p): Likewise.
4146 * basic-block.h: Remove a comment.
4147 * flow.c (PROP_POSTRELOAD): Remove.
4148 (update_life_info): Don't add it to prop_flags.
4149 (mark_set_1): Lose the code that was enabled by it.
4151 2001-01-11 Michael Hayes <mhayes@redhat.com>
4153 * flow.c (flow_call_edges_add): New.
4154 * basic_block.h (flow_call_edges_add): New.
4156 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4158 * reload1.c (move2add_note_store): Update reg_set_luid even if
4159 base reg remains the same.
4161 2001-01-10 Nick Clifton <nickc@redhat.com>
4163 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4164 machine_function structure to zero.
4165 Add prototypes for machine_status functions.
4167 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4169 * c-common.h (CTI_VOID_LIST): Remove.
4170 (void_list_node): Likewise.
4171 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4172 (void_list_node): New macro.
4173 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4174 * config/i386/i386.c (ix86_init_builtins): Likewise.
4175 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4177 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4179 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4180 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4182 * tradcpp.c: Include mkdeps.h.
4183 (deps, print_deps_phony_targets, deps_append, output_deps,
4184 init_dependency_output, output_deps): New.
4185 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4186 deps_output): Delete.
4187 (print_deps_missing_files): Rename deps_missing_files.
4188 (inhibit_output): Make global.
4189 (main): Delete inhibit_output, deps_stream, deps_target.
4190 Use mkdeps functionality in the same way as cpplib. Remove
4191 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4192 -M and -MM. Remove old handling of deps via deps_out, and
4193 old reading of environment variables.
4194 (get_filename): Update to use deps_add_dep.
4196 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4198 * output.h (make_function_rtl): Remove prototype.
4199 (make_decl_rtl): Likewise.
4200 * varasm.c (make_function_rtl): Remove.
4201 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4202 than from a third parameter.
4203 * tree.h (make_decl_rtl): Remove last parameter.
4204 * c-decl.c (builtin_function): Remove last argument in call to
4205 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4206 (start_function): Likewise.
4207 * except.c (call_get_eh_context): Likewise.
4208 * expr.c (emit_block_move): Likewise.
4209 (clear_storage): Likewise.
4210 * profile.c (output_func_start_profiler): Likewise.
4211 * toplev.c (rest_of_decl_compilation): Likewise.
4212 * objc/objc-act.c (create_builtin_decl): Likewise.
4213 (synth_module_prologue): Likewise.
4214 (generate_static_reference): Likewise.
4215 (build_selector_reference_decl): Likewise.
4216 (build_class_reference_decl): Likewise.
4217 (build_objc_string_decl): Likewise.
4218 (build_protocol_reference): Likewise.
4220 2001-01-10 Richard Henderson <rth@redhat.com>
4222 * hwint.h: Revert yesterday's change.
4224 2001-01-10 Nick Clifton <nickc@redhat.com>
4226 * function.h (save_machine_status): Delete.
4227 (restore_machine_status): Delete.
4228 Amend comment describing {init|mark|free}_machine_status.
4230 * function.c (save_machine_status): Delete.
4231 (restore_machine_status): Delete.
4232 Amend comment describing {init|mark|free}_machine_status.
4233 (push_function_context_to): Remove invocation of
4234 save_machine_status.
4235 (pop_function_context_from): Remove invocation of
4236 restore_machine_status.
4238 * emit-rtl.c (init_emit_once): Amend comment describing
4239 {init|mark|free}_machine_status.
4241 * tm.texi (Per-Function Data): New node. Describe the
4242 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4245 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4247 * cppinit.c (OPT_g): Remove.
4248 (cpp_handle_option): Update for removed -g3.
4249 (print_help): Update.
4250 * cpplib.h (struct cpp_options): Remove debug_output.
4251 * cppmain.c (setup_callbacks, cb_define): Update.
4252 * gcc.c (cpp_options): Translate -g3 to -dD.
4254 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4256 * config/i960/i960.md: Change modifier to + on the zero_extract
4257 pattern after the (rotate -2 reg) canonicalization pattern.
4259 2001-01-10 Richard Henderson <rth@redhat.com>
4261 * config/alpha/alpha.c (alpha_free_machine_status): New.
4262 (override_options): Install it.
4263 (alpha_mark_machine_status): Verify machine non-null.
4264 * config/i386/i386.c (ix86_free_machine_status): New.
4265 (override_options): Install it.
4266 (ix86_init_machine_status): Use xcalloc.
4267 (ix86_mark_machine_status): Verify machine non-null.
4268 * config/ia64/ia64.c (ia64_free_machine_status): New.
4269 (ia64_override_options): Install it.
4270 (ia64_mark_machine_status): Verify machine non-null.
4272 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4274 * function.c (instantiate_virtual_regs): Instantiate virtual
4275 registers found in CALL_INSN_FUNCTION_USAGE.
4277 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4279 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4280 equivalent to -ansi in disabling -Di386.
4282 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4284 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4286 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4288 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4290 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4292 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4294 * invoke.texi: Document that -fcond-mismatch isn't supported for
4297 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4299 * gcc.texi: Define macro gcctabopt.
4300 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4301 @command, @env and @option in some places where appropriate. Use
4302 @gcctabopt where appropriate. Put URLs and email addresses inside
4305 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4307 * gcc.c (cpp_options): Set MD file name from output
4308 filename, if specified.
4309 (suffix_subst): New static variable.
4310 (do_spec): Clear it.
4311 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4313 (give_switch): Handle suffix_subst.
4315 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4317 * invoke.texi: Fix another typo.
4319 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4321 * invoke.texi: Fix typo.
4323 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4325 * c-lang.c (lang_hooks): Update.
4326 (lang_decode_option): Remove.
4327 (lang_init_options): Rename c_init_options.
4328 * toplev.c (main): Use lang_hooks for lang_init_options
4329 and lang_decode_option.
4330 * toplev.h (lang_hooks): Add 2 new hooks.
4331 * tree.h: Remove lang_init_options and lang_decode_option.
4332 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4333 * cp/decl2.c: Similarly.
4334 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4335 (lang_hooks): Update.
4336 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4338 (lang_init_options): Rename ffe_init_options.
4339 (lang_hooks): Update.
4340 (lang_decode_option): Remove.
4341 * java/lang.c (lang_init_options): Rename java_init_options.
4342 (lang_decode_option): Rename java_decode_option.
4343 (lang_hooks): Update.
4344 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4345 (lang_decode_option): Rename objc_decode_option.
4346 (lang_hooks): Update.
4348 2001-01-09 Nick Clifton <nickc@redhat.com>
4350 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4351 (d30v_return_addr_rtx): Delete.
4352 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4353 cfun->machine structure.
4354 (struct machine_function): Move to d30v.h
4355 (d30v_save_machine_status): Delete.
4356 (d30v_restore_machine_status): Delete.
4357 (d30v_init_machine_status): New Function.
4358 (d30v_mark_machine_status): New Function.
4359 (d30v_free_machine_status): New Function.
4360 (d30v_init_expanders): Use new functions.
4361 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4362 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4363 d30v_return_addr_rtx.
4365 * config/d30v/d30v.h (struct_machine): Move here.
4366 Add eh_epilogue_sp_ofs field.
4368 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4369 field in cfun->machine structure.
4371 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4373 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4374 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4375 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4377 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4379 * objc/lang-options.h: Remove bogus reference to
4382 2001-01-09 Kazu Hirata <kazu@hxi.com>
4384 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4387 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4389 * reload.c (find_reloads_address): Check for eliminable registers
4390 when substituting a constant expression for a pseudo.
4392 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4394 * c-common.c (enum format_type): Add format_type_error.
4395 (decode_format_type): New function.
4396 (decl_attributes): Use it.
4397 (format_kind_info): Adjust comment.
4399 2001-01-09 David O'Brien <obrien@BSDi.com>
4401 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4402 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4404 * config/i386/gnu.h: Don't include required platform specific .h files,
4405 tm.h will do it instead.
4406 * config/i386/i386elf.h: Likewise.
4407 * config/i386/linux.h: Likewise.
4408 * config/i386/moss.h: Likewise.
4409 * config/mips/gnu.h: Likewise.
4411 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4413 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4414 (rs6000-ibm-aix3.[01]*): Likewise.
4415 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4416 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4417 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4418 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4419 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4420 (powerpc-*-eabiaix*): Likewise.
4421 (powerpc-*-eabisim*): Likewise.
4422 (powerpc-*-elf*): Likewise.
4423 (powerpc-*-eabi*): Likewise.
4424 (powerpc-*-rtems*): Likewise.
4425 (powerpc-*-linux*libc1): Likewise.
4426 (powerpc-*-linux*): Likewise.
4427 (powerpc-wrs-vxworks*): Likewise.
4428 (powerpcle-wrs-vxworks*): Likewise.
4429 (powerpcle-*-sysv*): Likewise.
4430 (powerpcle-*-elf*): Likewise.
4431 (powerpcle-*-eabisim*): Likewise.
4432 (powerpcle-*-eabi*): Likewise.
4433 (powerpcle-*-solaris2*): Likewise.
4434 * config/rs6000/aix31.h: Delete includes.
4435 * config/rs6000/aix3newas.h: Likewise.
4436 * config/rs6000/aix41.h: Likewise.
4437 * config/rs6000/aix43.h: Likewise.
4438 * config/rs6000/beos.h: Likewise.
4439 * config/rs6000/rtems.h: Likewise.
4440 * config/rs6000/sysv4.h: Likewise.
4442 2001-01-09 Kazu Hirata <kazu@hxi.com>
4444 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4445 Change an argument mode of machine_mode to shift_mode of
4446 shift_mode. Remove an extra error check.
4447 (emit_a_shift): Adopt to the new calling prototype of
4449 (function_prologue): Fix code for a monitor
4450 function. Support H8/S.
4451 (function_epilogue): Do not output pop for a monitor function.
4453 2001-01-09 Nick Clifton <nickc@redhat.com>
4455 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4456 (setup_incoming_varargs): Use sysv_varargs_p field of the
4457 cfun->machine structure.
4458 (struct machine_function): Move to rs6000.h
4459 (rs6000_save_machine_status): Delete.
4460 (rs6000_restore_machine_status): Delete.
4461 (rs6000_init_machine_status): New Function.
4462 (rs6000_free_machine_status): New Function.
4463 (rs6000_init_expanders): Use new functions.
4465 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4467 (struct machine_function): Move here.
4469 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4470 sysv_varargs_p field of the cfun->machine structure.
4472 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4474 (rs6000_restore_machine_status): Remove prototype.
4476 2001-01-09 Richard Henderson <rth@redhat.com>
4478 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4479 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4480 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4481 (sched_analyze_2, sched_analyze_insn): Likewise.
4482 (sched_analyze, init_deps): Likewise.
4483 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4484 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4485 (compute_block_backward_dependences): Update propagate_deps call.
4487 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4489 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4491 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4493 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4494 (cpp_handle_option): Handle them.
4495 (cpp_post_options): Ensure one of -M or -MM is specified with
4496 any other -M? option.
4497 (init_dependency_output): Suppress output with -MG.
4499 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4502 * invoke.texi: Update.
4504 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4506 * sh.md (reload_outsf): Generate recognizable patterns for
4509 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4511 * c-lang.c (lang_hooks): Update.
4512 (lang_init): Rename c_init.
4513 (lang_finish): Remove.
4514 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4516 * toplev.h (lang_hooks): Add init () and finish ().
4517 * tree.h (lang_init, lang_finish): Remove.
4518 * cp/tree.h (lang_init, lang_finish): Remove.
4519 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4520 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4522 (lang_init, lang_finish): Remove.
4523 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4524 (lang_hooks): Update.
4525 * java/lang.c (lang_init): Rename java_init.
4526 (lang_finish): Remove.
4527 (lang_hooks): Update.
4528 * objc/objc-act.c (lang_init): Rename objc_init.
4529 (lang_finish): Remove.
4530 (lang_hoooks): Update.
4532 20001-01-09 Graham Stott <grahams@redhat.com>
4534 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4535 after `ptr` is initialised.
4537 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4539 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4540 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4541 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4542 stack adjusts, instead of r3.
4544 2001-01-09 Michael Hayes <mhayes@redhat.com>
4546 * flow.c (flow_loop_scan): Break out of ...
4547 (flow_loops_find) ... here.
4548 * basic-block.h (flow_loop_scan): New.
4549 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4550 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4552 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4554 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4556 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4557 realloc()ing macro_buffer.
4559 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4560 if it's wider than long and the target's long is wider than the
4563 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4565 Remove support for using UWIN as a host machine.
4566 * configure.in: Issue an error message.
4567 * configure: Regenerated.
4568 * config.gcc: Remove xm_* UWIN configury.
4569 * config/i386/xm-uwin.h: Remove.
4571 2001-01-08 Nick Clifton <nickc@redhat.com>
4573 * config/v850/v850.c (ra_rtx): Delete.
4574 (v850_save_machine_status): Delete.
4575 (v850_restore_machine_status): Delete.
4576 (v850_init_machine_status): New function.
4577 (v850_mark_machine_status): New function.
4578 (v850_free_machine_status): New function.
4579 (v850_return_addr): Use ra_rtx field in machine structure.
4580 (v850_init_expanders): Use new functions.
4582 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4583 * config/v850/v850.c: Change arguments to v850_output+* functions
4584 to take a const char *, to avoid compile time warning.
4585 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4586 (USER_LABEL_PREFIX): Redefine.
4588 2000-01-08 Jim Wilson <wilson@redhat.com>
4590 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4591 1 to unsigned HOST_WIDE_INT before left shift.
4593 2001-01-08 Nick Clifton <nickc@redhat.com>
4595 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4596 the machine structure has been allocated.
4597 (arm_free_machine_status): New function: Free the machine
4598 specific function structure.
4600 2001-01-08 Richard Henderson <rth@redhat.com>
4602 * jump.c (simplejump_p): Revert last change.
4604 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4606 * cppinit.c (init): Rename init_library.
4607 (cpp_create_reader): Update.
4608 * gcc.c (cpp_options): If -o given, use it as the target of
4611 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4613 * arm.c (arm_arch5e): New variable.
4614 (all_cores): XScale is a 5TE device.
4615 (arm_override_options): Set arm_arch5e.
4616 (arm_init_builtins): __builtin_prefetch is in arch5e.
4617 * arm.h (arm_arch5e): Declare it.
4619 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4621 * arm.md (define_constants): Add defines for UNSPEC and
4622 UNSPEC_VOLATILE insns. Update all users.
4623 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4624 * arm.c (multi_register_push, note_invalid_constants)
4625 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4626 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4627 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4629 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4631 * jump.c (jump_optimize_1): Use reversed_comparison_code
4632 instead of can_reverse_comparison_p.
4633 (jump_back_p): Likewise.
4634 (invert_exp_1): Likewise.
4635 (thread_jumps): Likewise.
4636 * simplify-rtx.c (simplify_unary_operation): Likewise.
4637 (simplify_ternary_operation): Likewise.
4638 * cse.c (find_comparison_args): Convert to use
4639 can_reverse_comparison_p.
4640 (record_jump_equiv): Likewise.
4642 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4644 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4645 (EPILOGUE_USES): Define.
4646 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4647 automatically stack the LR if it isn't live.
4649 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4651 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4654 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4656 * ggc-page.c (max_alignment): New structure.
4657 (MAX_ALIGNMENT): New macro.
4658 (init_ggc): Use it to round up the sizes in the
4659 extra_order_size_table.
4661 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4663 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4666 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4668 * builtins.def (BUILT_IN_FPRINTF): New entry.
4670 * c-common.c (c_expand_builtin_fprintf): New function.
4671 (init_function_format_info): Handle __builtin_fprintf.
4672 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4673 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4675 * c-decl.c (duplicate_decls): Adjust comment.
4677 * extend.texi (fprintf): Document new builtin.
4679 2001-01-07 Richard Henderson <rth@redhat.com>
4681 * jump.c (simplejump_p): Recognize any single_set jump
4684 2001-01-07 Richard Henderson <rth@redhat.com>
4686 * configure.in (slibdir): Accept an --with-slibdir option.
4687 Use "test" not "[" in configure. Default to $(libdir).
4689 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4691 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4692 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4693 (SHLIB_LINK): Create links for the soname.
4694 * config/mips/t-iris6: Likewise.
4695 * config/sparc/t-slibgcc: Likewise.
4696 * config/sparc/t-slibgcc-sld: Likewise.
4698 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4700 * config/i386/i386.c (constant_call_address_operand): Accept
4701 (const (plus (symbol_ref) (const_int))).
4702 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4703 constant_call_address_operand.
4705 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4707 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4708 and LONG_LONG_TYPE_SIZE > 32.
4710 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4712 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4713 the previous change.
4715 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4717 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4719 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4720 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4721 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4724 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4726 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4728 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4730 * c-lang.c (c_post_options): Call cpp_post_options.
4731 * objc/objc-act.c (objc_post_options): Similarly.
4732 * cppmain.c (main): Similarly.
4733 * fix-header.c (read_scan_file): Similarly.
4734 * cppinit.c (cpp_start_read): Move option consistency checks
4735 to cpp_post_options. Don't call init_dependency_output.
4736 If needed, add default target and main file dependency.
4737 (OPT_MD, OPT_MMD): Remove.
4739 (cpp_handle_option): Update for OPT_* changes.
4740 (cpp_post_options): New.
4741 (init_dependency_output): Command line -MF overrides environment
4742 variables. Don't set default target etc. Suppress output
4743 if dependencies are going to stdout.
4744 (print_help): Update.
4745 * cpplib.h (cpp_post_options): New.
4746 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4748 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4750 * jump.c (comparison_dominates_p): Support unordered compares.
4752 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4754 * simplify-rtx.c (simplify_relational_operation): Always simplify
4755 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4758 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4760 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4761 (nonzero_bits): Likewise.
4762 (simplify_comparison): Likewise.
4763 (num_sign_bit_copies): Likewise; return more sane value depending
4764 on STORE_FLAG_VALUE.
4765 (known_cond): Do not assume EQ to be always true for equivalent
4768 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4770 * cse.c (fold_rtx): Handle unordered comparisons.
4772 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4774 * rtlanal.c (set_of_1): New static function.
4775 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4776 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4777 reg_set_last_last_regno): Remove.
4778 (set_of): New global function.
4779 (set_of_data): New structure.
4780 (reg_set_p, reg_set_last): Revamp for set_of.
4781 * rtl.h (set_of): New.
4783 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4785 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4786 * extend.texi: Document _Exit builtin.
4788 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4790 * (initialize, initialize_builtins,
4791 initialize_dependency_output, initialize_standard_includes):
4792 Rename s/initialize/init. Update.
4793 (init_dependency_output): Move to after
4794 cpp_handle_options, the correct location temporally at least.
4795 (opt_comp): Move next to init (), its caller. Fix prototype.
4796 (init): Make "initialized" local scope.
4797 (cpp_create_reader): Always call init ().
4798 (cpp_start_read): Update.
4799 (output_deps): New function, broken out of cpp_finish.
4800 (cpp_finish): Break out output_deps.
4802 2001-01-07 Richard Henderson <rth@redhat.com>
4804 * collect2.c (COFF specific stuff): Revert 12-06 patch
4805 to prototype system functions.
4807 2001-01-07 Michael Hayes <mhayes@redhat.com>
4809 * hard-reg-set.h: Add multiple include guard.
4810 * basic-block.h (struct loop): Add `sink' field.
4811 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4812 (emit_iv_add_mult): Delete.
4813 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4814 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4815 (unroll_loop): Remove end_insert_before argument.
4816 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4817 (maybe_eliminate_biv_1): Likewise.
4818 (emit_iv_add_mult): Delete.
4819 (gen_add_mult, loop_regs_update): New.
4820 (loop_insn_emit_after, loop_insn_emit_before): New.
4821 (loop_insn_sink, loop_insn_sink_or_swim): New.
4822 (emit_iv_add_mult): Delete.
4823 (scan_loop): Set loop->sink.
4824 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4825 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4826 (maybe_eliminate_biv_1): Likewise.
4827 (maybe_eliminate_biv_1): Add basic block argument.
4828 * unroll.c (unroll_loop): Remove end_insert_before argument.
4829 (find_splittable_regs): Likewise.
4830 (find_splittable_regs): Use loop_insn_sink and its ilk.
4831 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4833 2001-01-07 Michael Hayes <mhayes@redhat.com>
4835 * loop.h (loop_insn_hoist): New prototype.
4836 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4837 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4838 (check_dbra_loop, load_mems): Likewise.
4839 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4840 (find_splittable_givs): Likewise.
4842 2001-01-07 Michael Hayes <mhayes@redhat.com>
4844 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4846 2001-01-07 Richard Henderson <rth@redhat.com>
4848 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4850 2001-01-07 Richard Henderson <rth@redhat.com>
4852 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4853 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4854 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4855 variant that handles a shared libgcc.
4856 (process_command): Always validate -{static,shared}-libgcc.
4857 (do_spec_1): New 'M' case.
4858 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4860 2001-01-07 Richard Henderson <rth@redhat.com>
4862 * Makefile.in (slibdir): New variable.
4863 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4864 (installdirs): Create slibdir.
4865 (install-libgcc, install-multilib): Defer to libgcc.mk.
4866 * configure.in (slibdir): Substitute.
4867 * mklibgcc.in (install): New target.
4869 * config/t-linux (SHLIB_LINK): Create links for the soname.
4870 (SHLIB_INSTALL): New.
4871 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4872 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4873 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4874 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4875 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4877 2001-01-07 Richard Henderson <rth@redhat.com>
4879 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4880 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4881 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4883 2001-01-07 Michael Hayes <mhayes@redhat.com>
4885 * loop.c (count_loop_regs_set): Delete.
4886 (load_mems_and_recount_loop_regs_set): Delete.
4887 (loop_regs_scan): Merge common code from count_loop_regs_set,
4888 scan_loop, and load_mems_and_recount_loop_regs_set.
4889 (scan_loop): Call load_mems directly and loop_regs_scan
4890 again if new registers created.
4892 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4894 * toplev.c (main): Call the front-end specific post_options
4895 hook if one is given.
4896 * toplev.h (struct_lang_hooks, lang_hooks): New.
4897 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4898 for the C front end.
4899 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4900 lang_hooks for the C++ front end.
4901 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4902 lang_hooks for the ObjC front end.
4903 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4904 * java/lang.c (lang_hooks): Hooks for the Java front end.
4906 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4908 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4909 for verbose DWARF[2] debugging.
4910 (cb_define, cb_undef): The new callbacks.
4911 * toplev.h (debug_define, debug_undef): Make const correct.
4912 * toplev.c (debug_define, debug_undef): Similarly. Do not
4913 perform the verbosity tests here anymore.
4915 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4917 * reload.c (subst_reloads): Take INSN argument. When
4918 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4919 * reload.h (subst_reloads): Adjust prototype.
4920 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4921 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4922 present in JUMP_INSNs and copy them to JUMP_LABEL.
4923 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4924 JUMP_INSNs and insns with REG_LABELs that are followed by
4925 JUMP_INSNs with the same REG_LABEL.
4926 * sched-rgn.c (is_cfg_nonregular): Likewise.
4927 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4929 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4931 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4933 2001-01-06 Richard Henderson <rth@redhat.com>
4935 * loop.c (scan_loop): Use xcalloc for the regs array.
4936 (load_mems_and_recount_loop_regs_set): Zero the new memory
4937 received from xrealloc.
4939 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4941 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4943 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4945 * integrate.c (copy_rtx_and_substitute): When copying
4946 an ignored return value, strip REG_FUNCTION_VALUE_P.
4948 2001-01-06 Michael Hayes <mhayes@redhat.com>
4950 * loop.c (debug_biv, debug_giv): New.
4951 (loop_biv_dump): Break out from ...
4952 (record_biv): ... here.
4953 (loop_giv_dump): Break out from ...
4954 (record_giv): ... here.
4955 (loop_bivs_check): Use print_simple_rtl.
4956 * unroll.c (loop_iterations): Use print_simple_rtl.
4958 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4960 * pa.md (return, return_internal): Modify patterns to prevent regrename
4961 mucking with the return pointer.
4963 2001-01-05 Richard Henderson <rth@redhat.com>
4965 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4967 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4969 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4970 version supplied by Matteo Frigo.
4972 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4974 * cpp.texi: Update for -MQ.
4975 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4976 (cpp_cleanup): Always free pfile->deps.
4977 (initialize_dependency_output): Don't create pfile->deps.
4978 (cpp_handle_option): Similarly.
4980 * gcc.c (cpp_options): Handle -MQ.
4981 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4982 * mkdeps.c (base_name): Remove.
4983 (deps_init): Don't allocate vector space until it's needed.
4984 (deps_free): Only free vectors if allocated.
4985 (deps_add_target, deps_add_dep): Update for initial allocation.
4986 (deps_add_default_target): Don't strip to the base_name.
4988 2001-01-05 DJ Delorie <dj@redhat.com>
4990 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4991 (INIT_EXPANDERS): Define.
4993 * config/v850/v850.c (struct machine_function): Define.
4994 (v850_save_machine_status): New function.
4995 (v850_restore_machine_status): New function.
4996 (v850_return_addr): New function.
4997 (v850_init_expanders): New function.
4999 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
5000 and v850_init_expanders.
5002 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5004 * cpplib.h (struct cpp_reader): Add help_only field.
5005 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
5006 (cpp_handle_option): Set pfile->help_only if we see -h,
5007 --help, -target-help, or --version. Print version string but
5008 do not set help_only if we see -v or -version. Make text
5009 printed by -v match that printed by (-)-version.
5011 * cppmain.c (main): Exit after option parsing if
5012 pfile->help_only is true.
5014 * toplev.c (independent_decode_option): Call print_version,
5015 then exit, if we see --version (but not -version).
5016 (print_version): Split lengthy message into two lines.
5018 2001-01-05 Nick Clifton <nickc@redhat.com>
5020 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
5021 temporary string for initialisation before calling ggc_alloc_string.
5023 2001-01-06 Michael Hayes <mhayes@redhat.com>
5025 * rtl.h (print_simple_rtl): New.
5026 * print-rtl.c (print_simple_rtl): New.
5028 (print_rtx): Disable printing of flags and modes, etc.,
5029 if `flag_simple` nonzero.
5031 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5033 * function.c (fixup_var_refs): Use push_to_full_sequence where
5036 2001-01-05 Michael Meissner <meissner@redhat.com>
5038 * flags.h (flag_reorder_blocks): Add declaration.
5039 (flag_rename_block): Ditto.
5041 2001-01-05 DJ Delorie <dj@redhat.com>
5043 * function.c (reorder_blocks): Make sure the flags are all reset
5044 before using them to mark blocks, else a second invocation will
5045 corrupt the block chain.
5046 (reorder_blocks_0): New, resets the flags.
5048 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5050 * cse.c (find_comparison_args): Stop if the argument is known to
5053 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5055 * config/sh/sh.md (movdf): When splitting load into pair of
5056 registers, don't clobber the register used in the address too
5059 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5061 * varasm.c (mark_constant_pool): Improve initial comments.
5062 (mark_constants): Move marking of constants to mark_constant.
5063 (mark_constant): New function to recursively mark all constants
5064 referred to by a constant.
5066 2001-01-05 Catherine Moore <clm@redhat.com>
5068 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5070 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5072 * cp/lang-options.h: Bring comment in line with reality.
5073 * f/lang-options.h: Likewise.
5074 * java/lang-options.h: Likewise.
5075 * objc/lang-options.h: Likewise.
5076 * ch/lang-options.h: Likewise.
5077 * f/g77.texi: And update the manual.
5079 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5080 Denis Chertykov <denisc@overta.ru>
5082 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5083 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5084 * config/avr/avr.md (all peepholes that request a scratch register):
5085 Call it, FAIL the peephole if not safe (in interrupt functions).
5087 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5089 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5091 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5093 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5095 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5096 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5097 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5098 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5099 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5101 * extend.texi: Document these builtins.
5103 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5105 * c-common.c (lang_get_alias_set): Say we know nothing of
5106 VECTOR_TYPE aliasing.
5108 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5110 2001-01-05 Bruce Korb <bkorb@gnu.org>
5112 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5113 their x* equivalent versions for atexit-less systems
5114 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5115 systems (or any other system any more).
5117 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5119 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5120 output operands. Use arm_hard_register_operand for operand 4.
5121 (stmsi_postinc): Similarly.
5122 (ldmsi): Use arm_hard_register_operand for opernand 2.
5124 * arm.c (arm_hard_register_operand): New function.
5125 * arm-protos.h (arm_hard_register_operand): Prototype it.
5127 * arm.h (HARD_REGNO_RENAME_OK): Define.
5129 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5131 * simplify-rtx.c (cfc_args): add "unordered" field.
5132 (check_fold_consts): Set unordered field.
5133 (simplify_relational_operation): Simplify the unordered
5136 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5139 * emit-rtl.c (try_split): Fix code to mark labels.
5140 * jump.c (mark_jump_label): Make global.
5141 * rtl.h (mark_jump_label): Declare.
5143 * predict.c (estimate_probability): Handle unordred comparisons.
5145 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5147 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5148 * cppinit.c (initialize_dependency_output): Update.
5149 (cpp_finish): Output dummy targets for -MP.
5151 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5152 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5153 * gcc.c (cpp_options): Update to handle -MP.
5154 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5155 to quote only the default target.
5156 (deps_phony_targets): Insert a preceding newline. Rename from
5157 deps_dummy_targets for consistency.
5160 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5162 * calls.c (emit_library_call_value_1): Support
5163 INIT_CUMULATIVE_LIBCALL_ARGS.
5164 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5166 2001-01-04 Richard Henderson <rth@redhat.com>
5168 * c-decl.c (finish_struct): Detect flexible array members
5169 used in an inappropriate context.
5170 * c-typeck.c (really_start_incremental_init): Special case
5171 constructor_max_index for zero length arrays.
5172 (pop_init_level): Allow initialization of flexible array
5173 members. Deprecate initialization of zero length arrays.
5174 Don't issue missing initializer warning for flexible array
5175 members or zero length arrays.
5176 (process_init_element): Don't dereference null DECL_SIZE.
5177 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5178 Don't abort for empty constructors. Use size_binop
5179 (output_constructor): Add commentary regarding zero length
5180 array futures. Abort if we try to initialize an array of
5181 unspecified length with a non-empty constructor in the middle
5184 * extend.texi (Zero Length): Update and clarify documentation
5185 on static initialization.
5187 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5189 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5190 with more than 32767 words of local storage.
5192 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5194 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5195 for 'abs', 'labs', and 'fabs'.
5196 (c4x_expand_builtin): Likewise.
5197 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5199 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5201 * config/sh/sh.md (prget, prset): New insn types.
5202 (return delay slot): Dont' allow prset.
5203 (call, sfunc delay slot): Don't allow prget.
5204 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5205 for prset and prget.
5207 2001-01-05 Michael Hayes <mhayes@redhat.com>
5209 * loop.h (struct loop_reg): New.
5210 (struct loop_regs): Change to use array of `struct loop_reg'.
5211 * loop.c: Replace assortment of varrays with single regs array.
5212 (count_one_set): Delete may_not_move array argument
5213 and use regs array instead. All caller's changed.
5214 (count_loop_regs_set): Delete may_not_move and single_usage
5215 arguments and use regs array instead. All caller's changed.
5216 (find_single_use_in_loop): Replace usage array argument with pointer
5217 to regs structure. All caller's changed.
5218 (loop_optimize): Delete `moved_once' array.
5220 2001-01-05 Michael Hayes <mhayes@redhat.com>
5222 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5223 Use it instead of loop_info->has_call for scanning loop mems.
5224 (check_dbra_loop): Replace loop_info->has_call test with
5225 loop_info->has_nonconst_call.
5227 2000-01-04 Matthew Hiller <hiller@redhat.com>
5229 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5232 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5234 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5235 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5237 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5239 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5240 (flag_short_double, flag_short_wchar): Define.
5241 (c_common_nodes_and_builtins): Create many tree nodes shared
5242 between C and C++ here instead of in cp/decl.c and ...
5243 * c-decl.c (init_decl_processing): ... here.
5244 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5245 (flag_short_double, flag_short_wchar): Don't define.
5246 (record_builtin_type): New function.
5247 (build_void_list_node): New function.
5248 * c-common.h (flag_short_double, flag_short_wchar,
5249 record_builtin_type, build_void_list_node): Declare.
5251 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5253 * integrate.c (expand_inline_function): Don't put a virtual
5254 register into the reg map.
5256 * function.c (fixup_var_refs_1): If force_operand didn't put
5257 the address into the target, move it there.
5259 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5261 Special-case tree_decl/tree_list allocations.
5262 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5263 (OBJECT_SIZE): New macro.
5264 (NUM_EXTRA_ORDER): Likewise.
5265 (extra_order_size_table): New variable.
5266 (NUM_ORDERS): New macro.
5267 (objects_per_page_table): New variable.
5268 (object_size_table): New variable.
5269 (G.pages): Use NUM_ORDERS to bound the array.
5270 (G.page_tails): Likewise.
5271 (DIV_ROUND_UP): Remove.
5272 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5273 (alloc_page): Use OBJECT_SIZE.
5274 (size_lookup): Don't make it const.
5275 (ggc_alloc): Use OBJECT_SIZE.
5276 (ggc_set_mark): Likewise.
5277 (ggc_get_size): Likewise.
5278 (init_ggc): Set up the object_size_table, objects_per_page_table,
5279 and adjust size_lookup.
5280 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5281 (ggc_pop_context): Use NUM_ORDERS.
5282 (clear_marks): Likewise.
5283 (sweep_pages): Likewise.
5284 (poison_pages): Likewise.
5285 (ggc_print_statistics): Use OBJECT_SIZE.
5287 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5289 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5290 Only call array_size_for_constructor if last field and array type
5291 with no upper bound.
5293 2001-01-04 Philip Blundell <philb@gnu.org>
5295 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5296 from bit 31 downwards, if this requires no more insns.
5297 (count_insns_for_constant): New helper function for above.
5299 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5301 * gencodes.c (output_predicate_decls): Remove empty initializer.
5303 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5305 * tree.c (copy_node): Remove documentation about obstacks.
5306 (buidl1): Check that nobody tries to build 2-argument nodes this
5309 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5311 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5314 * gencodes.c (output_predicate_decls): Fill empty initializer
5317 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5319 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5320 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5322 (do_include): Handle missing headers like cpp0.
5323 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5324 paths with first include pathname. Don't strcat to uninitialized
5327 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5329 * regrename.c (regrename_optimize): Don't rename from frame pointer
5330 if frame_pointer_needed.
5331 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5332 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5333 (ia64_reorg): Use it instead of scheduling if ! optimize.
5334 (errata_emit_nops): Properly call asm_noperands.
5335 (ia64_sched_reorder): Finish cycle if we see an asm.
5336 (ia64_variable_issue): Clear scheduling state after asms.
5338 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5340 * cpp.texi: Update for -MT.
5341 * cppinit.c (initialize_dependency_output): Add a default
5342 target if none has been given already.
5343 (no_tgt, OPT_MT): New.
5344 (cpp_handle_option): Handle -MT. Update -M etc.
5345 * cpplib.h (struct cpp_options): Remove deps_target.
5346 * gcc.c (cpp_options): Handle -MT.
5347 * mkdeps.c (struct deps): Move from mkdeps.h.
5348 (deps_calc_target): Rename deps_add_default_target. Add a
5349 default target if none has been specified already.
5350 * mkdeps.h (struct deps): Move to mkdeps.c.
5351 (deps_calc_target): Rename deps_add_default_target.
5353 2000-01-03 Richard Henderson <rth@redhat.com>
5355 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5357 * c-typeck.c (push_init_level): Move checks for flexible array
5358 members and zero length arrays ...
5359 (pop_init_level): ... here. Silently discard empty initializations.
5361 * varasm.c (output_constructor): Update for sizeof change to
5364 * extend.texi (Zero Length): Clarify semantics.
5366 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5368 * configure.in (tm.h): Include isns-codes.h last.
5369 * configure: Rebuilt.
5371 2001-01-03 Richard Henderson <rth@redhat.com>
5373 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5374 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5376 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5378 * tradcpp.c (main): Make sure finclude() is called with a valid
5379 indepth value while handling -include.
5381 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5383 * gencodes.c (output_predicate_decls): New function.
5385 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5386 even if it is not the first time machmode.h is #included.
5387 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5388 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5389 * gcc.texi (Copyright): Added 2001.
5391 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5393 * c-common.c (c_common_lang_init): New function. Warn if format
5394 warning options which only have effects when used with -Wformat
5395 are used without -Wformat.
5396 * c-common.h (c_common_lang_init): Declare.
5397 * c-lang.c (lang_init): Call c_common_lang_init.
5398 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5400 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5402 * configure.in: Check for the mktemp command.
5403 * configure: Regenerate.
5404 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5405 $TEMP. Create temporary files with mktemp, if available at
5406 configure time; otherwise use set -C. Remove temporary files
5409 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5411 * configure.in: Require at least texinfo 4.0. Check for whether
5412 Pod::Man is sufficiently recent to regenerate GCC manpages.
5413 * configure: Regenerate.
5414 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5416 (GENERATED_MANPAGES): Define.
5417 (generated-manpages): New target. Depend on cpp.1 as well as
5419 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5420 configure to generated-manpages or empty) rather than on the
5421 manpages directly. Remove execute permission from installed
5422 gcov.1 as well as cpp.1.
5423 * cpp.1, gcov.1: Regenerate.
5425 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5427 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5428 tree_low_cst. Allow using cmpstrsi in more cases.
5430 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5432 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5435 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5437 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5438 * Makefile.in (HOST_CFLAGS): Mention build-make.
5440 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5442 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5445 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5447 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5450 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5453 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5454 reg_base_value and reg_known_value arrays.
5455 (init_alias_analysis): Add more cases to detect known values.
5456 * sched-deps.c (deps_may_trap_p): New function.
5457 (sched_analyze_2): Use it.
5459 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5461 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5462 don't discard an ASHIFTRT if we're shifting in a wider mode.
5464 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5466 * toplev.c (rest_of_compilation): Don't print basic block information
5467 when CFG isn't up to date.
5469 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5471 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5472 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5473 (UNALIGNED_SHORT_ASM_OP): Define.
5474 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5476 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5478 * fold-const.c (fold_convert): Fix typo.
5480 2001-01-02 Richard Henderson <rth@redhat.com>
5482 * c-common.h (ASM_INPUT_P): New.
5483 * c-parse.in (asm): Set it when needed.
5484 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5485 existance of an operand.
5487 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5489 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5490 (dwarf2out_frame_debug_expr): Likewise.
5491 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5493 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5495 * i386.c (ix86_split_to_parts): Return number of part required;
5497 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5499 (ix86_split_long_move): Use number of part returned
5500 by ix86_split_to_parts
5501 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5503 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5504 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5505 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5506 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5507 (ALIGN_MODE_128): Add TFmode.
5508 (IS_STACK_MODE): Likewise.
5509 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5510 (HARD_REGNO_OK): Support TFmodes.
5511 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5512 * i386.md (scheduler definitions): Use memory operand to determine
5513 fst/fld instructions; use mode attribute to determine real mode of
5515 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5516 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5518 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5520 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5522 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5524 * expr.c (store_constructor_field): Update ALIGN before calling
5527 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5529 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5532 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5534 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5537 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5539 * c-decl.c (start_function): Don't warn on third parameter to main.
5541 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5543 * tsystem.h: Define HAVE_DECL_GETOPT.
5545 2001-01-02 Philip Blundell <pb@futuretv.com>
5547 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5550 2001-01-02 Richard Henderson <rth@redhat.com>
5552 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5554 2001-01-02 Andreas Jaeger <aj@suse.de>
5556 * c-decl.c (c_decode_option): Remove support of
5559 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5560 (W_options): Add -Wmissing-noreturn here.
5562 * flow.c: Define lang_missing_noreturn_ok_p.
5563 (check_function_return_warnings): Use it.
5565 * c-common.h: Declare lang_missing_noreturn_ok_p.
5567 * c-lang.c (c_missing_noreturn_ok_p): New function.
5568 (lang_init): Set lang_missing_noreturn_ok_p.
5570 * invoke.texi (Warning Options): Document this.
5572 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5574 * extend.texi (C++ Extensions): New node for C++ attributes;
5575 describe init_priority and com_interface.
5576 * invoke.texi: Remove -finit-priority as it now has zero effect.
5577 * install.texi: Fix xref syntax.
5578 * md.texi: Likewise.
5580 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5582 * config.gcc (sparc64-wrs-vxworks*): New case.
5583 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5585 * config/sparc/sparc.c (sparc_override_options): Do support different
5586 pointer and architecture size.
5587 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5588 (POINTERS_EXTEND_UNSIGNED): Define.
5589 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5590 (FUNCTION_MODE): Define to be Pmode.
5591 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5593 * function.c (expand_function_end): Properly handle DECL_RESULT
5594 and copy when ptr_mode != Pmode.
5595 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5597 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5599 * c-common.c (c_common_nodes_and_builtins): Set prototype
5600 parameters for __builtin_fputs, __builtin_fputc and
5601 __builtin_fwrite. Don't declare plain fputc as a builtin.
5603 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5605 * loop.c (add_label_notes): Increment the label usage count when
5606 a note is added to an insn which refers to a CODE_LABEL.
5607 * gcse.c (add_label_notes): Likewise.
5609 2001-01-01 Andreas Jaeger <aj@suse.de>
5611 * loop.c (scan_loop): Use xmalloc to allocate movables.
5613 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5615 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5616 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5617 * reload1.c (REGISTER_MOVE_COST): Likewise.
5618 * regclass.c (REGISTER_MOVE_COST): Likewise.
5619 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5620 dimension. Adjust all users.
5621 (init_reg_sets_1): Iterate on all modes.
5622 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5623 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5624 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5625 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5626 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5627 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5628 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5629 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5630 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5631 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5632 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5633 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5634 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5635 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5636 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5637 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5638 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5639 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5640 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5641 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5642 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5643 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5644 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5645 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5646 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5647 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5648 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5650 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5652 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5653 arg VARIES_P. Call it with extra arg.
5654 (true_dependence): Likewise.
5655 * rtl.h (rtx_addr_can_trap_p): Declare.
5656 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5658 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5659 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5660 pic offset table register if it's zero. All callers changed.
5661 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5663 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5665 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5666 STRING_POOL_ADDRESS_P.
5668 * config/sparc/sparc.c (input_operand): Properly test for short op.
5670 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5671 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5672 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5673 * config/sparc/elf.h: No longer include sol2.h.
5674 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5675 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5677 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5679 2001-01-01 Michael Hayes <mhayes@redhat.com>
5681 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5682 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5683 (record_initial): Likewise.
5684 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5685 (remap_split_bivs): Likewise.
5687 2001-01-01 Michael Hayes <mhayes@redhat.com>
5689 * loop.c (loop_ivs_free): New function.
5690 (strength_reduce): Break out from...
5692 2001-01-01 Michael Hayes <mhayes@redhat.com>
5694 * loop.h (struct iv): New.
5695 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5696 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5697 'reg_biv_class' fields with 'regs' and 'n_regs'.
5698 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5699 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5700 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5702 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5704 * resource.c (mark_referenced_resources): Abort() before
5705 attempting to mark a pseudo register.
5706 (mark_set_resources): Likewise.
5708 2001-01-01 Michael Hayes <mhayes@redhat.com>
5710 * loop.h (REG_IV_CLASS): New accessor macro.
5711 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5712 * unroll.c (REG_IV_CLASS): Likewise.
5714 See ChangeLog.4 for earlier changes.