1 2001-03-07 David Edelsohn <edelsohn@gnu.org>
3 * rs6000.md (cr logic): Add original POWER mnemonic alternative
4 for crnot. Set operands[5] in splitter.
6 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
8 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
9 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
10 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
11 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
12 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
13 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
14 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
17 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
18 config/i370/xm-i370.h, config/i386/xm-dgux.h,
19 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
20 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
21 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
22 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
23 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
24 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
25 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
26 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
27 Delete unused and/or empty files.
29 * config.gcc: Define USG in xm_defines as appropriate. Define
30 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
31 macro. Remove deleted xm-* files from $xm_files variable.
33 2001-03-07 Tom Tromey <tromey@redhat.com>
36 * configure.in: Allow config-lang.in to set `lang_requires' to list
37 of other required languages.
39 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
41 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
43 (output_prologue): Use xmalloc not oballoc.
44 (output_epilog): Free a29k_first_epilogue_insn when finished.
45 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
47 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
49 * builtins.c (expand_builtin_mathfn): Check
50 flag_unsafe_math_optimizations, not flag_fast_math.
51 (expand_builtin): Likewise
52 * combine.c (combine_simplify_rtx): Likewise.
53 (simplify_if_then_else): Likewise.
54 * cse.c (fold_rtx): Likewise.
55 * flags.h: Remove flag_fast_math. Add
56 flag_unsafe_math_optimizations and flag_trapping_math.
57 * fold-const.c (negate_expr): Check
58 flag_unsafe_math_optimizations, not flag_fast_math.
59 (invert_truthvalue): Likewise.
60 (fold): Likewise. Before associating operands, check that
61 code == MULT_EXPR, not code != MULT_EXPR.
62 * ifcvt.c (noce_try_minmax): Check
63 flag_unsafe_math_optimizations, not flag_fast_math.
64 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
65 * invoke.texi: Document -funsafe-math-optimizations and
66 -fno-trapping-math. Change documentation for -ffast-math.
67 * jump.c (reversed_comparison_code_parts): Likewise.
68 (rtx_equal_for_thread_p): Likewise.
69 * optabs.c (emit_conditional_move): Likewise.
70 * simplify-rtx.c (simplify_binary_operation): Likewise.
71 (simplify_relational_operation): Likewise.
72 (simplify_ternary_operation): Likewise.
73 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
74 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
75 Add trapping-math and unsafe-math-optimizations entries to f_options.
76 (set_fast_math_flags): New, sets flags for -ffast-math.
77 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
78 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
79 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
81 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
82 (alpha_emit_conditional_move): Initialize local_fast_math to
83 flag_unsafe_math_optimizations, not flat_fast_math.
84 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
85 instead of setting flag_fast_math to 1.
86 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
88 * config/i386/i386.c (override_options): Likewise
89 * config/i386/i386.md: Likewise.
90 * config/m68k/m68k.md: Likewise.
91 * config/mips/mips.md: Likewise.
92 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
93 (rs6000_generate_compare): Likewise.
95 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
97 * Makefile.in: Set RANLIB to @RANLIB@.
100 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
102 * fixinc/inclhack.def (djgpp_wchar_h): New test.
103 * fixinc/fixincl.x: Regenerated.
105 2001-03-07 Richard Henderson <rth@redhat.com>
107 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
109 2001-03-07 Richard Henderson <rth@redhat.com>
111 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
112 of block notes and exception handling notes.
114 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
115 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
116 (compile_file): ... here.
118 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
120 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
122 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
123 config.h now. Include libiberty.h to handle alloca.
125 2001-03-06 Zack Weinberg <zackw@stanford.edu>
127 * c-parse.in (yylexname): New function, split out of _yylex.
128 (objc_rid_sans_at): New table.
129 (init_reswords): Initialize it.
130 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
131 retrieving the next token and checking it for significance as
132 an ObjC keyword or string constant.
134 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
135 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
137 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
140 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
142 * config/m68k/m68k.c (const_uint32_operand): Accept any
143 const_int on a 32-bit host.
145 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
147 * objc/objc-act.c (init_objc): Set save_lang_status,
148 restore_lang_status, and mark_lang_status.
150 2001-03-06 Krister Walfridsson <cato@df.lth.se>
152 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
154 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
156 * cppinternals.texi: Update.
158 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
160 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
161 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
162 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
163 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
164 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
165 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
166 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
167 config/i386/xm-i386.h, config/i860/xm-i860.h,
168 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
169 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
170 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
171 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
172 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
173 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
174 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
175 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
176 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
177 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
178 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
179 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
180 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
181 match the defaults provided in hwint.h.
183 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
184 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
186 * config.gcc (xm_file): Don't set to files which are deleted.
188 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
189 guard this file against these macros being undefined.
191 2001-03-06 Zack Weinberg <zackw@stanford.edu>
193 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
194 and DECL_DEFER_OUTPUT on the decl we create, before calling
195 rest_of_decl_compilation.
197 2001-03-06 Zack Weinberg <zackw@stanford.edu>
199 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
201 * configure, config.in: Regenerate.
202 * config.gcc: Remove references to deleted files.
204 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
205 genrecog.c, rtl.c: Do not use alloca anywhere.
207 * Makefile.in, build-make, system.h, config/x-interix,
208 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
209 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
210 config/arc/xm-arc.h, config/arm/xm-arm.h,
211 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
212 config/h8300/xm-h8300.h, config/i370/x-oe,
213 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
214 config/i386/x-ncr3000, config/i386/x-sco5,
215 config/i386/xm-dgux.h, config/i860/x-sysv4,
216 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
217 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
218 config/m68k/x-hp320g, config/m69k/x-mot3300,
219 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
220 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
221 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
222 config/m88k/x-sysv4, config/m88k/x-tekXD88,
223 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
224 config/mips/x-iris, config/mips/x-iris3,
225 config/mips/x-sni-svr4, config/mips/x-sysv,
226 config/mips/xm-iris6.h, config/mips/xm-mips.h,
227 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
228 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
229 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
230 config/pa/xm-papro.h, config/romp/xm-romp.h,
231 config/rs6000/x-aix31, config/rs6000/x-aix41,
232 config/rs6000/x-beos, config/rs6000/x-lynx,
233 config/rs6000/x-mach, config/rs6000/x-rs6000,
234 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
235 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
236 config/sparc/x-sysv4, config/sparc/xm-linux.h,
237 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
238 config/vax/xm-vms.h: Eradicate all references to alloca and
241 * config/xm-alloca.h, config/clipper/x-clix,
242 config/i386/xm-sysv4.h, config/i860/x-fx2800,
243 config/i860/x-sysv3, config/m88k/x-sysv3,
244 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
245 (contained only alloca related hacks).
247 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
250 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
252 * invoke.texi: Document __FAST_MATH__.
254 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
256 * crtstuff.c: Restore include of auto-host.h.
258 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
260 Put main() in a separate file, so that the language
261 front-end can use a different main().
264 * toplev.c: (main): Rename as toplev_main.
265 * toplev.h: Declare toplev_main.
266 * Makefile.in (OBJS): add toplev.o.
267 (BACKEND): remove toplev.o, add main.o.
269 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
271 * cppfiles.c (search_from): Special case the empty string.
273 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
275 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
276 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
277 strlen or strcpy; we already know the length.
278 (_cpp_compare_file_date): Similarly.
279 * cpphash.h (struct cpp_reader): Delete done_initialising.
280 (CPP_PREV_BUFFER): Delete.
281 * cppinit.c (cpp_start_read): Don't set done_initialising.
282 * cpplex.c (parse_string): Guarantee null-termination.
283 (_cpp_equiv_toklists): Remove.
284 * cpplib.c (glue_header_name): Null-terminate.
285 (do_line): Don't leak memory.
286 * cpplib.h (BT_WEAK): Delete.
287 * cppmain.c (cb_ident): Strings are now null-terminated.
289 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
291 * gcc.c (convert_filename): Append executable suffix
292 if NO_AUTO_EXE_SUFFIX is not defined.
293 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
294 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
296 2001-03-03 David O'Brien <obrien@FreeBSD.org>
298 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
299 * c-parse.gperf, c-gperf.h: Delete.
300 (c-gperf.h was accidently re-added to the CVS repo in the rev
301 1.16 commit by tromey)
303 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
305 * cpplex.c (_cpp_lex_token): Don't warn about directives in
306 macro arguments when looking for the '('.
307 * cppmacro.c (funlike_invocation_p): Set parsing_args to
308 2 when really parsing arguments; 1 when looking for '('.
309 Always restore the lexer position.
311 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
313 * longlong.h (umul_ppmm): Don't use a multiline string.
315 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
317 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
318 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
319 t_bool in declaration because pcc can't combine volatile with typedef
322 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
324 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
325 until when it is really needed.
326 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
327 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
328 * i386.md (float?i?f splitter): Don't force source operand to memory
330 (sse_movdfcc): Fix constraint.
331 (sse_movdfcc splitter): Handle properly the second alternative.
333 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
335 * cpplex.c (parse_string): Unconditionally pedwarn.
337 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
340 * cppexp.c (parse_number): Update.
341 * cpplex.c (parse_string): Pedwarn if multiline string does not
342 result from a system header's macro.
343 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
344 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
345 for function-like macros too.
346 * c-lex.c (lex_number): Update.
348 2001-03-03 Richard Henderson <rth@redhat.com>
350 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
352 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
354 * combine.c (try_combine): If split with mode-changed scratch
355 register didn't work, try the original mode.
357 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
359 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
360 * config/c4x/c4x.h: Likewise.
361 * stor-layout.c (compute_record_mode): Likewise.
362 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
364 2001-03-02 Zack Weinberg <zackw@stanford.edu>
366 * configure.in: Kill tm.h. Include the files in the $tm_file
367 list in all three of config.h, hconfig.h, tconfig.h, after the
368 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
369 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
370 * configure: Regenerate.
371 * Makefile.in (clean): Don't delete tm.h.
373 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
374 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
375 those are not defined, set SEC and FEC to 0 and 1.
376 * gcc.texi: Update to match.
378 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
379 * config/fp-bit.c, config/m68k/aux-crt2.asm,
380 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
381 Include tconfig.h, not tm.h.
383 * config/xm-lynx.h, config/xm-std32.h,
384 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
385 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
386 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
387 config/clipper/xm-clix.h, config/convex/xm-convex.h,
388 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
389 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
390 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
391 config/i386/xm-i386.h, config/i860/xm-i860.h,
392 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
393 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
394 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
395 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
396 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
397 config/pa/xm-linux.h, config/pa/xm-pa.h,
398 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
399 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
400 config/pj/xm-pj.h, config/romp/xm-romp.h,
401 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
402 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
403 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
404 config/v850/xm-v850.h, config/vax/xm-vax.h,
405 config/we32k/xm-we32k.h:
407 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
409 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
410 config/i370/xm-oe.h: Don't include tm.h. Don't define
412 * config/vax/xm-vms.h: Don't include tm.h.
414 * config/xm-lynx.h, config/avr/xm-avr.h,
415 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
416 Delete; made empty by above changes.
417 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
418 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
419 Don't include config/xm-lynx.h or tm.h.
421 * config/xm-gnu.h: Don't include fcntl.h.
422 * config/sparc/xm-lynx.h: Don't include sys/types.h and
424 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
426 2001-03-02 Richard Henderson <rth@redhat.com>
428 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
429 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
431 2001-03-02 Richard Henderson <rth@redhat.com>
433 * Makefile.in (OBJS): Add dwarf2asm.o.
434 * dwarf2asm.c, dwarf2asm.h: New files.
435 * dwarf2out.c (*): Use them.
436 (size_of_uleb128, size_of_sleb128): Remove.
437 (output_uleb128, output_sleb128): Remove.
438 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
439 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
440 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
441 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
442 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
443 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
444 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
445 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
446 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
447 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
448 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
449 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
450 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
451 (dwarf2out_frame_debug): Remove unused variables.
452 (output_loc_operands): Don't abort on 8 byte constants if
453 host integers are wide enough.
454 (output_symbolic_ref): Remove.
455 (size_of_die): Don't assume 4 byte host integers.
456 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
458 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
459 something stupid with HOST_WIDE_INT to long truncation.
460 [CONST_DOUBLE]: Likewise.
462 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
463 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
464 * config/arm/unknown-elf.h: Likewise.
465 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
466 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
467 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
468 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
469 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
470 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
471 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
472 (ASM_OUTPUT_DWARF_OFFSET): Remove.
473 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
474 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
475 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
476 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
478 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
480 * cselib.c (hash_rtx): Cast enums to unsigned int.
482 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
484 * print-rtl.c (print_rtx): Cast enums to int for comparison.
485 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
487 * c-format.c (C_STD_VER): Cast to int for comparisons.
488 (check_function_format): Cast various enums to int for &.
489 (maybe_read_dollar_number): Likewise.
490 (check_format_info): Likewise.
491 (check_format_info_main): Likewise.
492 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
493 (safe_from_p): Likewise.
494 * varasm.c (const_hash): Cast enum to int for %.
495 * emit-rtl.c (init_emit_once): Use int loop variable to work around
496 pcc enum problems with < and ++ operators.
497 * regclass.c (init_reg_sets_1): Cast enums for comparison.
498 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
499 (regclass_init): Change enum class to int to iterate over reg_classes.
500 * genrecog.c (merge_trees): Cast enums for comparison.
501 * rtl.h (GET_CODE): Cast to enum rtx_code.
502 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
503 (GET_MODE): Cast to enum machine_mode.
504 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
505 (GET_NOTE_INSN_NAME): Cast enum to int.
506 * tree.h (TREE_CODE): Cast to enum tree_code.
507 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
508 * timevar.c (timevar_print): Change loop variable id from enum to
510 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
511 * config/i386/i386.md: Use PUT_MODE for mode assignment.
512 * toplev.c (compile_file): Cast enum DFI to int.
513 (decode_d_option): Likewise.
515 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
517 * cppinit.c (append_include_chain): Mark "after" include file name list
518 as a system directory.
519 * cpp.texi: Document new behavior.
521 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
523 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
525 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
527 * cppfiles.c (struct include_file): Update.
528 (stack_include_file): Use search_from.
529 (cpp_included, find_include_file): Update.
530 (cpp_execute_include): Update. ptr->name may not be
531 null terminated. Use the new search_from member variable
533 (_cpp_compare_file_date): Similarly.
534 (search_from): New function, similiar to actual_directory.
535 (actual_directory): Delete.
536 (remap_filename): Update. loc->name may not be null terminated.
537 (struct file_name_list): Rename search_path. Update.
538 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
540 (struct cpp_reader): Remove actual_dirs.
541 * cppinit.c (struct cpp_pending): Update for renamed objects.
542 (append_include_chain, remove_dup_dir, remove_dup_dirs,
543 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
544 * cpplib.h (struct cpp_options): Similarly.
546 2001-03-01 Zack Weinberg <zackw@stanford.edu>
548 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
549 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
550 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
551 config/clipper/xm-clix.h, config/convex/xm-convex.h,
552 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
553 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
554 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
555 config/i370/xm-linux.h, config/i370/xm-mvs.h,
556 config/i370/xm-oe.h, config/i386/xm-aix.h,
557 config/i386/xm-i386.h, config/i386/xm-osf.h,
558 config/i860/xm-i860.h, config/i960/xm-i960.h,
559 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
560 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
561 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
562 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
563 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
564 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
565 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
566 config/pj/xm-pj.h, config/romp/xm-romp.h,
567 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
568 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
569 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
570 config/v850/xm-v850.h, config/vax/xm-vax.h,
571 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
572 Do not define TRUE or FALSE.
574 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
575 empty by above change.
576 * config.gcc: Remove references to these files.
578 * configure.in: Detect stdbool.h.
579 * configure, config.in: Regenerate.
580 * system.h: Include stddef.h here if available.
581 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
582 Then set up a sensible boolean type at the very end.
584 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
585 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
587 * hash.h: Delete 'boolean' typedef and related #undefs.
589 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
590 all uses of 'boolean' with 'bool'.
592 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
594 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
595 * cppexp.c (lex): Cast enums for comparison.
596 * cppinit.c (parse_option): Cast enum for comparison.
597 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
598 (cpp_output_token): Likewise.
599 (cpp_can_paste): Cast enums for comparsion and plus/minus.
600 (cpp_avoid_paste): Cast enums for minus and comparison.
602 2001-03-01 Zack Weinberg <zackw@stanford.edu>
604 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
605 field to all array elements.
607 2001-03-01 Zack Weinberg <zackw@stanford.edu>
609 * cpphash.h (struct cpp_reader): Add print_version field.
610 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
611 just set print_version and other flags as appropriate.
612 (cpp_post_options): Print version here if print_version is set.
614 * toplev.c (exit_after_options): New flag.
615 (independent_decode_option): Don't exit here; just set
617 (main): Exit after calling lang_hooks.post_options if
618 exit_after_options is true.
620 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
621 (merge_include_chains): Adjust comment to match code.
623 2001-03-01 Zack Weinberg <zackw@stanford.edu>
625 * stringpool.c (set_identifier): New function.
626 * tree.h: Prototype it.
628 * c-parse.in: Kill D_YES. If compiled for objc, call
629 save_and_forget_protocol_qualifiers from init_reswords.
630 * objc/objc-act.c (remember_protocol_qualifiers,
631 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
632 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
634 (save_and_forget_protocol_qualifiers): New function.
635 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
637 2001-03-01 Diego Novillo <dnovillo@redhat.com>
639 * c-semantics.c (prune_unused_decls): Return error_mark_node
640 instead of (tree) 1 to stop traversing the tree chain.
642 2001-03-01 Bernd Schmidt <bernds@redhat.com>
644 Fix a problem introduced by Kenner's Feb 18 change.
645 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
646 flag_cse_skip_blocks only temporarily, not for ever.
648 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
650 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
651 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
653 * pa.c (emit_move_sequence): Verify operand0 is a hard register
654 before determining its register class.
656 2001-03-01 Bernd Schmidt <bernds@redhat.com>
658 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
659 from reg 4 if current_function_calls_setjmp.
660 (gen_nop_type): New function.
661 (ia64_emit_nops): New function.
662 (ia64_reorg): Call it.
663 (ia64_sched_reorder): Move code that rotates bundles up a bit.
665 * reload1.c (eliminate_regs_in_insn): Restrict the special case
666 code not to try to optimize adds with anything but a REG destination.
668 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
669 (INSN_PRIORITY_KNOWN): New accessor macro.
670 * haifa-sched.c (priority): Use it instead of testing priority against
673 2001-02-28 DJ Delorie <dj@redhat.com>
675 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
676 since that doesn't work the way gcc wants on a generic m68k.
678 2001-02-28 Richard Henderson <rth@redhat.com>
680 * caller-save.c (save_call_clobbered_regs): Fix typo in
681 comparison last change.
683 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
685 * i386.c (pentium4_cost): New.
686 (m_PENT4): New macro.
687 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
688 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
689 x86_integer_DFmode_moves, x86_partial_reg_dependency,
690 x86_memory_mismatch_stall): Add Pentium4
691 (x86_use_q_reg, x86_use_any_reg): Kill.
692 (override_options): Add pentium4.
693 (incdec_operand): Return 0 for pentium4.
694 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
695 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
696 (TARGET_PENTIUM4): Define.
697 (enum processor_type): Add PROCESSOR_PENTIUM4.
698 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
699 * i386.md (attribute "cpu"): Add pentium4.
700 * invoke.texi (march): Add pentium4.
702 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
704 * i386.md (sse_mov?fcc*): New patterns and splitters.
705 * i386.c (ix86_expand_movcc): Work post-reload; recognize
706 the SSE based conditional moves.
708 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
710 * i386.md (attribute mode): Add "TI".
711 (movsf_1): Add pxor support; remove constant propagation splitter.
712 (movdf_integer): Likewise.
713 (movdf_nointeger): Likewise.
714 (movxf constant prop splitter): Handle all modes; update for SSE.
715 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
716 * i386.c (standard_80387_constant_p): Rewrite.
717 (standard_sse_constant_p): New.
718 * i386-protos.h (standard_sse_constant_p): New.
720 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
722 * i386.md (sse_setccsf, sse_setccdf): New.
723 (sse_cmp* patterns): Use '%D' instead of outputtting condition
725 * i386.c (sse_comparison_operator): Accept the supported unordered
726 comparses; be ready for fast_math.
727 (print_operand): Support 'D'.
729 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
731 * jump.c (reversed_comparison_code): Kill.
733 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
735 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
738 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
740 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
741 add missing '%' in constraints.
743 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
745 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
746 for HOST_BITS_PER_WIDE_INT == 32 too.
748 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
750 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
752 (insert_save, insert_restore): New parameter save_mode.
753 (init_caller_save): Update initialization of reg_save_code
754 and reg_restore_code.
755 (save_call_clobbered_regs): Compute save_modes and update calls to
756 reg_save_code and reg_restore_code.
757 (insert_restore): Unsignetize numbers; use save_modes to choose mode
758 of spill; update use of reg_restore_code.
759 (insert_save): Likewise.
760 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
761 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
762 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
764 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
766 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
767 noce_try_store_flag_inc, noce_try_store_flag_mask,
768 noce_try_cmove_arith):
769 Use reversed_comparison_code instead of reverse_comparison and
770 can_reverse_comparison_p.
772 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
774 * jump.c (reversed_comparison_code_parts): Allow reversal of
775 unordered compares in -ffast-math mode; reverse ordered compares
776 for FP even w/o -ffast-math.
778 2001-02-27 Richard Henderson <rth@redhat.com>
780 * print-rtl.c (print_rtx) [i]: Don't print field five on
781 NOTEs other than NOTE_INSN_DELETED_LABEL.
783 2001-02-27 Zack Weinberg <zackw@stanford.edu>
785 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
786 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
788 2001-02-27 Diego Novillo <dnovillo@redhat.com>
790 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
791 even if walk_subtrees is 0.
792 * c-semantics.c (prune_unused_decls): Return a non-null value to
793 stop traversing the tree chain.
795 2001-02-27 DJ Delorie <dj@redhat.com>
797 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
798 register, *then* define it as the new CFA.
800 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
802 * pa.c (override_options): Promote -fpic to -fPIC.
803 (legitimize_pic_address): Simplify due to removal of
804 small PIC as a code generation option.
805 (secondary_reload_class): Similarly.
806 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
807 (PRINT_OPERAND_ADDRESS): Similarly.
808 * pa.md (various patterns): Similarly.
809 (small pic lo_sum pattern): Remove.
811 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
814 * md.texi (min, max): Document
816 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
818 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
819 TARGET_PARTIAL_REG_DEPENDENCY.
820 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
822 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
824 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
826 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
828 * mips.c (mips_make_temp_file): Fix thinko in last change.
830 2001-02-26 Jason Eckhardt <jle@redhat.com>
832 * combine.c (known_cond): Do not reverse the condition when
833 SMAX/UMAX is being considered and the condition is for equality
836 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
838 2001-02-26 Philip Blundell <philb@gnu.org>
840 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
842 * config/arm/linux-elf.h: Remove historical relics related to
843 above configurations.
844 * config/arm/linux-oldld.h: Delete.
845 * config/arm/linux-elf26.h: Delete.
847 2001-02-26 Jason Merrill <jason@redhat.com>
849 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
851 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
852 recognize a tentative definition. Lose obsolete code.
854 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
855 variables unless necessary, either.
857 2001-02-25 Richard Henderson <rth@redhat.com>
859 * ifcvt.c (struct noce_if_info): Add test_bb.
860 (noce_get_alt_condition): New.
861 (noce_try_minmax, noce_try_abs): New.
862 (noce_operand_ok): New.
863 (noce_process_if_block): Use them.
864 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
866 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
868 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
871 2001-02-25 Zack Weinberg <zackw@stanford.edu>
873 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
874 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
876 (mips_asm_file_end): Free temp_filename here.
878 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
880 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
881 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
883 * config/i386/i386.md (movstrsi): Handle FAIL case.
885 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
887 * cppinit.c (builtin_array): Update.
888 (init_builtins): Flag builtins to warn if redefined or
889 undefined. Define __GXX_WEAK as a normal macro.
890 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
891 * cpplib.h (NODE_WARN): New flag.
892 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
893 Handle __STDC__ as a builtin only on Solaris.
894 (warn_of_redefinition): Renamed from check_macro_definition.
895 Reverse sense of test. Always warn if NODE_WARN.
896 (_cpp_create_definition): Use warn_of_redefinition. Flag
897 any macro beginning with "__STDC_" to require a mandatory
898 warning if redefined or undefined.
900 2001-02-24 Zack Weinberg <zackw@stanford.edu>
902 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
903 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
904 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
905 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
906 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
907 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
909 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
910 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
911 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
912 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
913 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
915 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
916 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
919 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
920 Delete now-empty file.
922 * alpha/vms.h: Define NEED_ATEXIT here...
923 * alpha/xm-vms.h: ...not here.
925 * i386/cygwin.h: Don't define PARAMS.
926 * mips/mips.c: Don't prototype mktemp. Don't define
927 P_tmpdir. Use make_temp_file to create temporary files.
928 Don't be clever and delete temporary files early.
929 * config.gcc: Drop references to deleted files. Don't define
931 * gcc.texi: Don't mention USE_PROTOTYPES.
933 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
935 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
936 (ix86_set_move_mem_attrs_1): Likewise.
937 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
938 * config/i386/i386.md (movstrsi): Call it.
940 2001-02-24 Zack Weinberg <zackw@stanford.edu>
942 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
943 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
944 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
945 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
947 (i750a-*-*): Error here if hosting on i750a.
948 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
950 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
951 Remove (empty modulo comments).
953 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
954 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
955 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
956 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
957 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
958 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
960 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
961 Remove reference to winnt.h in comment.
962 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
964 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
966 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
967 used to set another biv.
969 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
971 * tree.h (BLOCK_DEAD): New macro.
972 (struct tree_block): New flag, dead_flag.
973 * print-tree.c (print_node, case 'b'): Print missing fields.
974 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
975 * function.c (identify_blocks): Enable test for misplaced notes.
976 (all_blocks): Skip BLOCK_DEAD blocks.
977 * integrate.c (integrate_decl_tree): Likewise.
979 * errors.c (internal_error, trim_filename): New functions.
980 (fancy_abort): Call internal_error.
981 * errors.h (internal_error, trim_filename): New declarations.
983 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
985 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
987 (EXTRA_CONSTRAINT): Formatting changes.
989 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
991 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
993 2001-02-23 Per Bothner <per@bothner.com>
995 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
996 so they can be called from java/jvspec.c.
997 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
999 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1001 * i386.c (ix86_frame): New structure.
1002 (ix86_compute_frame_size): Kill.
1003 (ix86_compute_frame_layout): New.
1004 (ix86_save_reg): New.
1005 (ix86_can_use_return_insn_p): Use frame layout stuff.
1006 (ix86_expand_prologue): Likewise.
1007 (ix86_expand_epilogue): Likewise.
1008 (ix86_initial_elimination_offset): Likewise.
1009 (ix86_nsaved_regs): Use ix86_save_reg.
1010 (ix86_emit_save_regs): Likewise.
1012 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1014 * flow.c (find_sub_basic_blocks): New function.
1015 (split_block): Be ready for basic block introduced by CODE_LABEL.
1016 (commit_one_edge_insertion): Call find_sub_basic_block.
1018 * flow.c (make_edges): Add edge from entry for blocks starting with
1019 label having ALTERNATE_NAME
1021 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1023 * function.c (epilogue_done): Be ready for first basic block not
1024 containing PROLOGUE_END note.
1025 (reposition_prologue_and_epilogue_notes): Avoid placing
1026 PROLOGUE_END note between BASIC_BLOCK.
1028 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1030 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1032 2001-02-21 DJ Delorie <dj@redhat.com>
1034 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1035 check for current_function_has_nonlocal_goto from 1999-11-12.
1037 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1039 * diagnostic.c (trim_filename): No longer static.
1040 * toplev.h (trim_filename): Declare.
1041 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1042 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1043 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1044 (rtvec_check_failed_bounds): Likewise.
1045 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1047 * convert.c (convert_to_integer): Don't do unsigned unless result or
1048 both inputs are unsigned.
1050 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1053 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1055 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1057 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1059 * Makefile.in (resource.o): Add params.h dependence.
1060 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1061 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1062 * resource.c: Add dependence on params.h.
1063 (current_live_regs): Fix explanatory comment.
1064 (find_basic_block): Add new parameter to permit limiting search
1066 (mark_target_live_regs): Add new argument to find_basic_block call.
1067 (incr_ticks_for_insn): Likewise.
1069 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1071 * diagnostic.c (output_to_stream): Rename to
1072 output_buffer_to_stream. Loses the stream parameter.
1073 (init_output_buffer): Set diagnosic_buffer's stream.
1074 (flush_diagnostic_buffer): Adjust.
1075 (default_print_error_function): Likewise.
1076 (finish_diagnostic): Likewise.
1077 (verbatim): Likewise.
1079 * diagnostic.h (struct output_buffer): Add `stream' field.
1080 (output_buffer_attached_stream): New macro.
1082 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1084 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1085 check if either operand is divisible by C.
1086 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1087 If type is signed, consider negative numbers as well.
1089 2001-02-22 Richard Henderson <rth@redhat.com>
1091 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1092 reach .text instead of gp-relative relocs.
1093 * config/ia64/crtend.asm (.init): Likewise.
1095 2001-02-22 Andreas Jaeger <aj@suse.de>
1097 * extend.texi (C++ Attributes): Fix typo.
1099 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1101 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1102 functions, drop current_function_args_info.words test.
1103 (ia64_compute_frame_size): Mark syscall_linkage functions as
1104 using eight input registers.
1106 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1107 Bruce Korb <bkorb@gnu.org>
1109 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1110 * fixinc/README: Document how to convert sed substitutions
1111 to format style c_fix-es.
1112 * fixinc/fixincl.x: regen
1114 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1116 * gcc.c: Add comment explaining how to add a command-line option.
1117 Add title to specs language comment.
1119 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1121 * gcc.c (cc1_options): Add "-param".
1122 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1123 (option_map): Likewise.
1124 * toplev.c (display_help): Add entry for "--param".
1125 (independent_decode_option): Fix typographical error.
1127 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1128 Bernd Schmidt <bernds@redhat.com>
1129 Jan Hubicka <jh@suse.cz>
1131 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1132 (function_arg): Likewise.
1134 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1136 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1138 2001-02-21 Kazu Hirata <kazu@hxi.com>
1140 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1144 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1146 * flow.c (init_propagate_block_info): Canon address and use single_set
1147 for killing dead memory stores.
1149 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1151 * Makefile.in (reorg.o): Add params.h dependence.
1152 * params.def: Fix typographical error in comment.
1153 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1154 * params.h: Modify introductory comment.
1155 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1156 * reorg.c: Add dependence on params.h.
1157 (redundant_insn): Add parameterized throttle for search.
1158 (fill_simple_delay_slots): Add a comment explaining a variable.
1159 Move conditional out of loop, simplifying code.
1160 (fill_eager_delay_slots): Fix typographical error in comment.
1162 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1164 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1166 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1167 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1169 2001-02-21 Jason Merrill <jason@redhat.com>
1171 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1172 (struct tree_decl): Add uninlinable bitfield.
1173 * c-decl.c (duplicate_decls): Set it.
1174 * integrate.c (function_cannot_inline_p): Check it.
1176 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1177 DW_AT_MIPS_linkage_name to abstract methods.
1178 (dwarf2out_abstract_function): Emit class context before calling
1179 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1180 (gen_subprogram_die): Remove obsolete code.
1181 (gen_member_die): Don't include clones in the member list.
1182 (gen_decl_die): Emit abstract info for clone origin.
1183 * dwarfout.c (output_type): Don't include clones in the member list.
1184 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1185 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1186 DECL_ABSTRACT on a function that already has it set.
1188 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1189 (get_subprogram_die): Pass it in.
1191 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1193 * flow.c (mark_set_1): Make not_dead unsigned long. For
1194 non-pseudos, use it as a bitmask of the hard regs that
1197 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1199 * cppfiles.c: Update comments.
1200 (_cpp_read_file): Don't check for NULL filenames any more.
1201 * cppinit.c (cpp_start_read): Don't do canonicalization of
1202 in_fname and out_fname. Use the passed file name exclusively.
1203 (_cpp_handle_options): Don't treat "-" as a command line option,
1204 but as a normal filename.
1205 (_cpp_post_options): Canonicalize in_fname and out_fname.
1206 * cppmain.c (printer_init): Don't check out_fname for NULL.
1207 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1208 (init_c_lex): Update, and use "" to represent stdin to CPP.
1211 2001-02-20 Will Cohen <wcohen@redhat.com>
1213 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1214 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1215 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1218 2001-02-20 Stan Shebs <shebs@apple.com>
1220 * config/rs6000/rs6000.c (output_cbranch): Output branches
1221 on separate lines instead of using ';' to separate.
1223 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1225 * cppinit.c (set_lang): Move builtin handling to...
1226 (init_builtins): ...here.
1227 (_cpp_create_reader): Move call to set_lang.
1229 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1231 * stmt.c (expand_return): If an attempt is made to return the
1232 error_mar_node, treat the return like a return without a value.
1234 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1236 * sibcall.c (skip_copy_to_return_value): Call
1237 identify_call_return_value here, and return orig_insn if it
1238 returns zero. Hardret and softret arguments now unnecessary.
1239 (call_ends_block_p): Don't call identify_call_return_value here.
1241 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1243 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1244 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1246 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1248 * pa.c (move_operand): Accept code to load the address of a
1249 symbol out of the DLT as a valid move operand.
1250 (print_operand, case 'A'): New to handle generating a DLT
1251 reference for a LO_SUM expression.
1252 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1253 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1255 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1257 * README, cpp.texi, gcc.texi, version.c: Update version number to
1259 * cpp.1, gcov.1, gcc.1: Regenerate.
1261 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1263 * cppfiles.c (stack_include_file): Generate dependencies
1264 here, and manage include_count here too.
1265 (PRINT_THIS_DEP): Delete.
1266 (_cpp_execute_include): Do not generate dependencies here,
1267 apart from the case of a missing header. Do not manage
1269 (_cpp_read_file): Leave dependency generation to
1272 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1274 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1275 target_cpu_default. Remove dead assignment to
1278 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1280 * regclass.c (contains_reg_of_mode): Make global.
1281 (init_reg_sets): Remove contains_reg_of_mode; take into account
1282 CLASS_MAX_NREGS when looking for the proper mode.
1283 (dump_regclass): Dump only classes considered for the pseudo.
1284 (regclass): Use contains_reg_of_mode.
1286 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1288 * gcc.c (do_spec_1): 'n' for printing notices.
1289 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1291 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1293 * reg-stack.c (next_flags_user): Use current_block->end
1294 (swap_rtx_condition): Look for next user if flags don't die;
1295 give up on CALL_INSNs; use current_block->end.
1297 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1299 * sibcall.c (call_ends_block_p): New function.
1300 (optimize_sibling_and_tail_recursive_call): Use it.
1302 2001-02-18 Kazu Hirata <kazu@hxi.com>
1304 * config/h8300/h8300.md: Update copyright.
1305 (andsi3): Do not output an extra newline character.
1307 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1309 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1310 FNDECL may be unused.
1312 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1313 follow jumps after first run.
1314 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1315 it doesn't change any jumps.
1317 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1319 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1320 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1321 (mostlyclean): Corresponding changes.
1322 * rtlanal.c (hard-reg-set.h): Include.
1323 (rtx_unstable_p): Do not treat the argument pointer specially
1324 if it is not a fixed register.
1325 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1327 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1329 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1330 against last real insn in basic block.
1331 Rework to avoid gotos.
1333 * Makefile.in (gcse.o): Now includes ggc.h.
1334 * gcse.c: Include ggc.h.
1335 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1336 (try_replace_reg): Remove warning of uninitialize variable.
1337 (process_insert_insn): Call invalid_insn_p to validate insn.
1338 * recog.c (insn_invalid_p): Now global.
1339 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1340 * recog.h (insn_invalid_p): New declaration.
1342 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1344 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1345 assignments from FP constants since 'Y' output code can't handle it.
1346 (eligible_for_sibcall_delay): Likewise.
1348 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1349 Call fancy_abort directly, passing args.
1350 (print_rtl_and_abort): Now a macro, like fancy_abort.
1352 * final.c (output_operand_lossage): Use internal_error, not error.
1354 2001-02-18 Shane Nay <shane@agendacomputing.com>
1356 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1357 structure shift insns.
1359 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1361 * invoke.texi (-fsquangle): Remove documentation.
1362 (-fname-mangling-version): Likewise.
1364 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1366 * optabs.c (expand_abs): Remove reference to
1367 HAVE_contitional_arithmetic.
1368 * combine.c (simplify_set): Likewise.
1370 2001-02-18 Richard Henderson <rth@redhat.com>
1372 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1375 2001-02-18 Richard Henderson <rth@redhat.com>
1377 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1379 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1381 * reload1.c (reload_cse_simplify_set): Fix typo.
1383 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1385 * diagnostic.c (_fatal_insn): Decrement errorcount.
1387 * invoke.texi (-I): Add note avoiding use for system header files.
1389 * rtl.h (add_clobbers): Remove duplicate declaration.
1390 * recog.h (added_clobbers_hard_reg_p): New declaration.
1391 * genemit.c (struct clobber_pat): New field has_hard_reg.
1392 (gen_insn): Record if added clobbers clobber hard reg.
1393 (gen_split): Avoid unused warning if number of operands is 0.
1394 (output_added_clobbers_hard_reg_p): New function.
1397 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1399 * pa.c (hppa_expand_prologue): Simplify code storing return
1400 pointer. For large (>=8k) frames with a post_store, adjust stack
1401 pointer by 8k-64 first rather than by 64. When testing with
1402 VAL_14_BITS_P, always use the actual value rather than the value
1403 negated. Add blockage to prevent scheduling of spills before
1404 stack frame has been created.
1405 (hppa_expand_epilogue): Simplify code loading return pointer.
1406 Allow a slightly larger range for merge_sp_adjust_with_load case.
1407 When testing with VAL_14_BITS_P, always use the actual value.
1409 * pa.c (pa_adjust_insn_length): Check that block move
1410 pattern is a set before looking at operands.
1412 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1414 * fold-const.c (fold_binary_op_with_conditional_arg): New
1415 function, split out from ...
1417 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1418 conditional arms that throw exceptions.
1420 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1423 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1425 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1426 define HAVE_DECL_* to 1 to mask potential backup declarations.
1427 * configure: Regenerated.
1429 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1431 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1433 2001-02-17 Richard Henderson <rth@redhat.com>
1435 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1436 when replacing a memory load with a register.
1438 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1439 Jan Hubicka <jh@suse.cz>
1441 * recog.c (validate_replace_src_1): New.
1442 (validate_replace_src_data): Likewise.
1443 (validate_replace_src): Use note_uses.
1444 * rtl.h (note_uses): Declare.
1445 * rtlanal.c (note_uses): New.
1447 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1449 * reg-stack.c (stack_def): Make field reg unsigned.
1450 (remove_regno_note): Unsignetize parameter.
1452 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1454 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1455 shladd_operand() call.
1457 2001-02-16 Bruce Korb <bkorb@gnu.org>
1458 Rodney Brown <RodneyBrown@mynd.com>
1460 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1461 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1462 machine restrictions
1463 * fixinc/fixincl.x: regen
1465 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1467 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1469 (hash_scan_insn): Clean up calls to hash_scan_set.
1470 (compute_kill_rd): REGNO now unsigned.
1471 (try_replace_reg): Rework to use simplify_replace_rtx.
1472 (cprop_jump, cprop_cc0_jump): Likewise.
1473 (cprop_insn): Call find_reg_equal_equiv_note.
1474 Reflect changes to cprop_jump and cprop_cc0_jump.
1476 * recog.c (validate_replace_src): Replace in operands of
1477 ZERO_EXTRACT in SET_DEST.
1479 * cse.c (new_label_ref): New variable.
1480 (insert): Set it instead of recorded_label_ref.
1481 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1482 CODE_LABEL for this function, and not already in REG_LABEL note.
1484 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1486 * resource.c (mark_referenced_resources): Fix typo in introductory
1488 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1491 2001-02-16 Jason Merrill <jason@redhat.com>
1493 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1495 (gen_subprogram_die): Don't abort on seeing a second definition if
1496 the previous one was abstract. Don't replace an abstract instance
1497 in the lookup table.
1499 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1500 gen_abstract_function.
1501 * dwarf2out.h: Declare it.
1502 * toplev.c (note_outlining_of_inline_function): New fn.
1503 * toplev.h: Declare it.
1504 * integrate.c (output_inline_function): Call it.
1505 * c-decl.c (duplicate_decls): Call it when redefining an extern
1506 inline. Don't inline the new defn.
1508 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1510 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1512 * .gdbinit: Rename to gdbinit.in.
1513 * gdbinit.in: New file,
1514 * configure.in: Generate .gdbinit from gdbinit.in.
1515 * configure: Regenerated.
1516 * Makefile.in (distclean): Always remove .gdbinit.
1518 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1520 * objc/objc-act.c (start_class): Register implemented_classes with
1523 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1525 * cppfiles.c (_cpp_make_system_header): Generate a file
1528 2001-02-15 Jim Meyering <meyering@lucent.com>
1530 * Makefile.in (install-common): Don't depend on installdirs here.
1531 Instead, make each of the lang.install-common targets (e.g.,
1532 c++.install-common in cp/Make-lang.in) depend on it.
1533 (install-driver): Depend on installdirs.
1535 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1537 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1539 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1542 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1544 * invoke.texi (--param): Document.
1546 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1548 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1550 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1552 * i386.md (extendsfdf2_2): Fix constraints.
1554 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1556 * i386.md (fop_df_3 splitter): Fix operand number.
1558 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1560 * invoke.texi (-mreg-alloc): Nuke.
1561 * i386.c (ix86_reg_alloc_order, regs_allocated,
1562 order_regs_for_local_alloc): Nuke.
1563 (override_options): Kill reg_alloc code.
1564 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1565 (REG_ALLOC_ORDER): SSE goes before I387.
1566 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1567 (ix86_reg_alloc_order): Likewise.
1568 * i386-protos.h (ix86_reg_alloc_order): Kill.
1570 2001-02-14 Richard Henderson <rth@redhat.com>
1572 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1574 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1576 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1578 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1580 * i386-protos.h (ix86_memory_move_cost): Move offline.
1581 * i386.c (ix86_register_move_cost): Compute properly cost of
1582 SSE, MMX and i387 instructions.
1583 (*_cost): Add costs of SSE/MMX moves.
1584 (ix86_memory_move_cost): Move offline from ....; Likewise.
1585 * i386.h (MEMORY_MOVE_COST): .... here;
1586 (struct processor costs): Add new fields to represent costs
1589 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1591 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1592 move_cost together with Matt Kraai's fix.
1594 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1596 * Makefile.in (OBJS): Add params.o.
1598 2001-02-14 Richard Henderson <rth@redhat.com>
1599 DJ Delorie <dj@redhat.com>
1601 * jump.c (jump_optimize_1): When we delete a conditional jump
1602 preceeding a non-conditional jump to effectively the same place,
1603 make sure that the combined jump skips any clobber insns between
1606 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1608 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1610 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1612 * Makefile.in (toplev.o): Depend on params.h.
1613 (intergate.o): Likewise.
1614 (params.o): New target.
1615 * flags.h (inline_max_insns): Remove.
1616 * integrate.c: Include params.h.
1617 Use MAX_INLINE_INSNS instead of inline_max_insns.
1618 * params.c: New file.
1619 * params.h: Likewise.
1620 * params.def: Likewise.
1621 * toplev.c: Include params.h.
1622 (lang_independent_params): New variable.
1623 (decode_f_option): Use the param machinery instead of setting
1625 (independent_decode_option): Handle "--param name=value".
1626 (main): Register language-independent parameters.
1628 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1630 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1632 2001-02-14 Richard Henderson <rth@redhat.com>
1634 * regclass.c (init_reg_sets_1): Revert last two changes.
1636 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1638 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1639 (variable_size): Call put_pending_size.
1640 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1641 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1642 sizes list, put newly created SAVE_EXPR there as well.
1644 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1646 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1647 (errata_find_address_regs): load_group has only 2 entries.
1648 (errata_emit_nops): Likewise. shladd is not problematic.
1649 Clear last_group if nop was emitted.
1650 (fixup_errata): load_group has only 2 entries.
1653 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1655 * c-lex.c (lex_number): Only warn traditionally for U suffix
1656 outside system macros.
1657 * cppexp.c (parse_number): Similarly.
1658 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1659 * cppmacro.c (struct cpp_macro): New member node.
1660 (parse_args): Only warn about missing rest args if not
1662 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1663 (cpp_sys_objmacro_p): New.
1664 (_cpp_create_definition): Store the node with the macro defn.
1665 Remember if the macro is defined in a system header.
1667 2001-02-13 DJ Delorie <dj@redhat.com>
1669 * configure.in (check_languages): determine languages to check
1670 * Makefile.in (check-c++): alias for check-g++
1671 (check-f77): alias for check-g77
1672 (CHECK_TARGETS): depend on configured languages
1674 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1676 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1677 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1678 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1679 (sqrtextendsfdf2): Disable for SSE2.
1681 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1683 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1684 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1685 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1686 (sqrtextendsfdf2): Disable for SSE2.
1688 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1690 * i386.md (movsfcc_1): Support integer cmove instruction.
1691 (movdfcc_1): Likewise; new splitter.
1693 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1695 * i386.c (output_fp_compare): Support SSE.
1696 (prepare_fp_compare_args): SSE comparisons always support memory.
1697 * i386.h (TARGET_CMOVE): SSE imply cmove.
1698 * i386.md (cmp?f2): Enable for SSE too.
1699 (cmpfp_i*): Support SSE.
1701 (cmpfp_i_sse_only): New.
1702 (s*, b* fp expanters): Enable for SSE too.
1703 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1706 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1708 * regclass.c (init_reg_sets_1): Silence warning.
1710 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1712 * i386.md (sqrt?f2): Change to expander.
1713 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1715 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1717 * rtlanal.c (find_reg_equal_equiv_note): New function.
1718 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1719 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1720 * rtl.h: Add declarations for above functions.
1722 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1724 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1726 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1727 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1728 * flow.c (mark_regs_live_at_end): Likewise.
1729 (calculate_global_regs_live): Likewise.
1730 * gcse.c (compute_hash_table): Likewise.
1731 (compute_kill_rd): Likewise.
1732 * resource.c (mark_target_live_regs): Likewise.
1733 * rtl.h (INVALID_REGNUM): New macro.
1735 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1737 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1739 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1741 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1744 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1746 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1748 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1749 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1750 (fop_sf_1_sse, fop_df_1_sse): New patterns
1751 (fop_*): Disable float_extend and float patterns for SSE compilation.
1752 * i386.c (output_387_binary_op): Support SSE.
1754 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1756 * i386.md (dummy_extendsfdf2): Support SSE2
1757 (extendsfdf2): Enable if 80387 or SSE2.
1758 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1759 and no MIX_I387_SSE2
1760 (extendsfdf2_1_sse_only): New pattern.
1761 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1763 (truncdfsf2_1): Support SSE.
1764 (truncdfsf2_2): Support SSE.
1765 (truncdfsf2_2_1_sse): New pattern.
1766 (fixtruncsfsi2): Always use SSE if available.
1767 (fix_truncsfsi_sse): New pattern.
1768 (fix_truncdfsi_sse): New pattern.
1769 (floatsis?f2): Support SSE.
1770 (floatsidf2_i387): New pattern.
1771 (floatsidf2_sse): Likewise.
1773 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1775 * configure.in: Use "have_gnat" variable, not "gnat".
1776 * configure: Regenerated.
1778 * config/sparc/sparc.c (function_value): Treat all non-record
1779 aggregate types like used to treat UNION_TYPE.
1781 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1783 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1784 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1786 (MASK_MIX_SSE_I387): New.
1787 (TARGET_SSE): SSE2 imply SSE.
1788 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1789 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1790 (enum reg_class): Add new classes.
1791 (REG_CLASS_NAMES): Likewise.
1792 (REG_CLASS_CONTENTS): Likewise.
1793 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1794 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1795 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1796 (CLASS_MAX_NREGS): Use new macros.
1797 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1798 * i386.md (pushsf, movsf): Support SSE.
1799 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1800 splitters to use ANY_FP_REGNO_P.
1801 (movdf_nointeger, movdf_integer): Likewise.
1803 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1805 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1806 (try_combine): Use it.
1808 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1810 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1811 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1812 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1813 (REGISTER_MOVE_COST): Likewise.
1814 * i386-protos.h (ix86_secondary_memory_needed,
1815 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1816 * i386.c (ix86_secondary_memory_needed,
1817 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1819 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1821 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1822 (HARD_REGNO_MODE_OK): Move offline to ....
1823 * i386.c (ix86_hard_regno_mode_ok) ... here;
1824 refuse all incorrect modes.
1825 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1827 2001-02-13 Richard Henderson <rth@redhat.com>
1829 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1830 entire operator; replicate that and match_dup the operands.
1831 (cmp_ccx_arith_op_set): Likewise.
1832 (cmp_cc_arith_op_not_set): Likewise.
1833 (cmp_ccx_arith_op_not_set): Likewise.
1835 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1837 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1839 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1841 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1842 (TARGET_NO_BITFIELD_WORD): New macro.
1843 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1844 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1846 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1848 * cselib.c: New file, from simplify-rtx.c.
1849 * simplify-rtx.c: Remove cselib parts.
1850 * Makefile.in: Add cselib.o.
1852 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1854 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1855 (setup_incoming_varargs): Remove warning.
1857 * config/rs6000/rs6000.c (validate_condition_mode): When
1858 flag_fast_math, allow floating-point conditionals to be reversed.
1859 (rs6000_generate_compare): When flag_fast_math, don't generate
1860 cror operations for FP conditionals.
1862 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1864 (ASM_SPEC): Likewise.
1865 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1866 (CC1_SPEC): Likewise.
1867 (LINK_TARGET_SPEC): Likewise.
1868 (CPP_ENDIAN_SPEC): Likewise.
1869 * Makefile.in (check-consistency): New target.
1871 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1873 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1874 "return type defaults" warning for functions with return type
1876 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1877 function declarations by default rather than only when pedantic.
1879 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1881 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1884 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1886 * extend.texi (Deprecated): Deprecate new initializer lists.
1888 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1890 * mkdeps.c (deps_add_default_target): Robustify. Add
1891 basename component only.
1892 * cpp.texi (-M): Describe how default target is generated.
1893 * invoke.texi (-M): Likewise.
1895 2001-02-12 Kazu Hirata <kazu@hxi.com>
1897 * toplev.c (push_float_handler): Remove.
1898 (pop_float_handler): Remove.
1899 * toplev.h: Remove prototypes for the above functions.
1901 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1903 * c-common.c (constant_fits_type_p): New function.
1904 (convert_and_check): Use it.
1906 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1908 * Makefile.in (GXX_ABI_FLAG): Don't define.
1909 * configure.in (--enable-new-gxx-abi): Remove option.
1910 * config.in: Regenerated.
1911 * configure: Likewise.
1913 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1915 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1917 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1918 regular basic block, and arrange for all edges into it to switch
1921 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1923 * Makefile.in (distclean): Do not remove .gdbinit.
1925 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1927 * Makefile.in (gcc.o): Fix typos.
1928 (protize.o): Likewise.
1929 (unprotoize.o): Likewise.
1931 2001-02-11 Richard Henderson <rth@redhat.com>
1933 * tree.c (build1): Check for null operand in last change.
1935 2001-02-11 Richard Henderson <rth@redhat.com>
1937 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1938 (fold): Don't assume a constant isn't foldable.
1939 * tree.c (build): Set TREE_CONSTANT for an expression with no
1940 side-effects and constant operands.
1943 2001-02-10 Richard Henderson <rth@redhat.com>
1945 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1947 2001-02-10 Anthony Green <green@redhat.com>
1949 * cpp.texi (Standard Predefined): Add documentation for
1952 * c-common.c (combine_strings): Improve warning message.
1954 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1956 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1958 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1960 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1962 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1965 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1967 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1970 2001-02-09 Nick Clifton <nickc@redhat.com>
1972 * config/arm/arm.md: Change output contraint on post inc
1973 load/store multiple patterns to be a read/write contraint.
1975 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1977 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1978 .o files when using the -M options.
1980 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1981 David Edelsohn <edelsohn@gnu.org>
1983 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1984 handle DImode constants. Use one TOC entry for SImode and smaller
1985 constants, aligned properly.
1987 2001-02-08 Jason Merrill <jason@redhat.com>
1989 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1990 about the SP adjustment for saving the static chain pointer.
1991 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1992 offset when setting a temporary CFA register.
1994 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1996 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1997 powerpc-*-chorusos* .
1998 * config/rs6000/chorus.h : New file.
1999 * config/i386/chorus.h : New file.
2000 * config/sparc/chorus.h : New file.
2001 * config/sparc/t-chorus-elf : New file.
2003 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2005 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2006 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2007 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2008 (__WCHAR_TYPE__): Correct macro name.
2010 2001-02-08 Richard Henderson <rth@redhat.com>
2012 * config/i386/i386.c (ix86_frame_pointer_required): New.
2013 (ix86_setup_frame_addresses): New.
2014 (struct machine_funciton): Add accesses_prev_frame.
2015 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2016 ix86_frame_pointer_required.
2017 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2018 (SETUP_FRAME_ADDRESSES): New.
2019 * config/i386/i386-protos.h: Update.
2020 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2021 from FRAME_POINTER_REQUIRED.
2022 * config/i386/svr3gas.h: Likewise.
2023 * config/i386/sysv3.h: Likewise.
2024 * config/i386/v3gas.h: Likewise.
2026 2001-02-08 Richard Henderson <rth@redhat.com>
2028 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2029 calculation of the number of integer registers required.
2030 (function_arg_record_value): Likewise.
2032 2001-02-08 Jason Merrill <jason@redhat.com>
2034 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2035 two. Print file and line with "confused" message.
2037 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2039 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2041 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2043 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2045 * final.c (cleanup_subreg_operands): The address of a MEM can
2048 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2051 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2053 * gcc.texi (Incompatibilities): Update documentation of
2054 preprocessing numbers.
2056 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2058 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2060 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2062 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2064 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2065 * gcc.c (struct compiler): Add cpp_spec field.
2066 (input_file_compiler): New variable.
2067 (do_spec_1): Allow a particular compiler to handle `%C'
2069 (main): Store the current compiler in input_file_compiler.
2070 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2072 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2074 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2075 * cppinit.c (cpp_create_reader): Initialize them.
2076 (append_include_chain): cxx_aware arg might be unused.
2077 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2078 keywords and give them their phase 7 meaning. Pedwarn about
2079 this unless '__bool_true_false_are_defined' is defined.
2081 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2083 * lcm.c (optimize_mode_switching): Emit mode_set before the
2084 JUMP_INSN of an abnormal edge.
2086 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2088 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2089 a scheduling barrier at the end.
2091 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2093 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2095 * config/sh/sh.md (reload_outsf): Removed.
2096 (movsf_ie): Introduce constraints for FPUL loads and stores.
2097 (reload_insf): Broaden the output constraint.
2099 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2101 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2102 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2104 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2106 * final.c: Revert my previous changes.
2107 * output.h: Make profile_label_no extern.
2108 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2109 for generating label.
2111 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2113 * config/i386/djgpp.h: Add comments about standard paths.
2114 (MD_EXEC_PREFIX): Undefine before defining.
2115 (MD_STARTFILE_PREFIX): New.
2117 2001-01-30 Bruce Korb <bkorb@gnu.org>
2119 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2120 (load_file): do not rely on load_file_data() to close file pointer
2121 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2122 fixinc/inclhack.def(irix_limits_const): add test_text
2124 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2126 * cppexp.c (parse_defined): Improve diagnostics for invalid
2129 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2131 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2133 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2135 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2136 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2137 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2138 (rs6000_output_symbol_ref): New function.
2139 (output_toc): Use VTABLE_NAME_P.
2141 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2143 * print-tree.c (print_node, case PARM_DECL):
2144 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2146 * stor-layout.c (reference_types_internal): New variable.
2147 (internal_reference_types): New function.
2148 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2149 * tree.h (internal_reference_types): New declaration.
2151 * cse.c (find_best_addr): Fix typo in computing cost.
2153 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2155 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2156 and this is the sum of a pointer and a constant, we know the result
2158 (num_sign_bit_copies, case PLUS): Likewise.
2159 * explow.c (convert_memory_address): Remove opposite SUBREG.
2160 * function.c (instantiate_new_reg): New function (from common code).
2161 (instantiate_virtual_regs_1): Call it.
2162 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2163 if pointers sign- or zero-extend.
2164 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2165 If pointers extend unsigned, use inside of SUBREG.
2166 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2168 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2170 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2171 subdir of gcc_gxx_include_dir.
2172 (gcc_gxx_target_include_dir): Remove.
2174 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2176 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2177 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2178 a high-level description.
2180 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2182 * final.c: Move the declaration of profile_label_no to ...
2183 * output.h: ... here.
2184 * function.c (expand_function_start): Call PROFILE_HOOK.
2185 * config/rs6000/aix.h: Define PROFILE_HOOK.
2186 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2187 * config/rs6000/rs6000.c (output_profile_hook): Define.
2188 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2189 output_profile_hook.
2190 tm.texi : Explain new macro PROFILE_HOOK.
2192 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2194 * extend.texi (Extended Asm): Do not say that semicolon is always
2195 a valid line-breaking character for GNU assemblers. Use
2196 newline-tab as the most commonly supported syntax. Use
2197 newline-tab rather than semicolon in multi-insn examples.
2199 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2201 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2203 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2204 David Edelsohn <edelsohn@gnu.org>
2206 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2207 code for AIX, even without flag_pic.
2209 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2211 * c-typeck.c (common_type): push and pop binding level around
2212 calling common_type on function parameters.
2214 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2216 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2218 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2220 * config/mips/mips.c (override_options): Fix typo in last change.
2221 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2222 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2224 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2226 * invoke.texi (-fdump-class-layout): Document.
2227 (-fdump-translation-unit): Use `=' as filename separator.
2229 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2231 * Makefile.in (s-mlib): Don't build multilibs if
2233 (DRIVER_DEFINES): Adjust accordingly.
2235 (protoize.o): Likewise.
2236 (unprotoize.o): Likewise.
2237 * configure.in: Recognize --enable-multilib.
2239 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2241 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2243 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2244 * configure.in: Remove --enable-libstdcxx_v3 support.
2245 * configure: Regenerated.
2247 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2249 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2250 Call abort instead of fatal.
2251 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2252 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2253 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2254 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2255 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2256 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2258 * diagnostic.h (set_internal_error_function): Renamed.
2259 * toplev.h (internal_error): Renamed from fatal.
2260 (pfatal_with_name): Deleted.
2261 (fatal_io_error): Now has printf-style arguments.
2262 * diagnostic.c (pfatal_with_name): Deleted.
2263 (fatal_io_error): Rework to have args in printf-style.
2264 (set_internal_error_function): Renamed from set_fatal_function.
2265 (internal_error): Renamed from fatal.
2266 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2267 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2268 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2269 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2270 * flow.c (verify_flow_info): Likewise.
2271 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2272 * config/mips/mips.c (save_restore_insns): Likewise.
2274 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2275 * flow.c (verify_flow_info): Likewise.
2276 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2277 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2278 (avr_normalize_condition): Likewise.
2279 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2280 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2281 (limit_reload_class, double_reg_to_memory): Likewise.
2282 (print_operand_address, emit_1600_code_shift): Likewise.
2283 (gen_tst_reg, gen_compare_reg): Likewise.
2284 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2285 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2287 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2289 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2290 * objc/objc-act.c (build_ivar_chain): Likewise.
2291 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2293 * graph.c (clean_graph_dump_file): Likewise.
2294 * profile.c (init_branch_prob): Likewise.
2295 * objc/objc-act.c (objc_init): Likewise.
2297 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2298 * config/avr/avr.c (avr_override_options): Likewise.
2299 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2300 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2301 * config/h8300/h8300.c (h8300_init_once): Likewise.
2302 * config/mips/mips.c (override_options): Likewise.
2303 * config/i386/i386.c (override_options): Likewise, rework.
2304 * config/m68k/m68k.c (override_options): Likewise.
2306 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2308 * config/mips/mips.c (print_operand): Likewise.
2309 * hash.c (hash_allocate): Don't check for failure returns from
2310 obstack functions that can't fail.
2311 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2312 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2313 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2314 (get_object_reference): Likewise.
2316 2001-02-04 Nick Clifton <nickc@redhat.com>
2318 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2319 StrongARM1110, 10TDMI, and 1020T.
2321 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2323 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2325 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2327 * config/sh/sh.md (movdf load split): Pass register number to
2328 FP_OR_XD_REGISTER_P.
2330 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2332 * cppinit.c (BC): New macro.
2333 (builtin_array): Add __GXX_WEAK__.
2334 * cpplib.h (builtin_type): Add BT_WEAK.
2335 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2336 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2337 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2339 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2341 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2343 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2345 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2346 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2348 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2350 * cpphash.h: Rename ALIGN _ALIGN.
2351 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2353 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2355 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2356 compilation environment.
2357 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2358 control over location of cygwin includes and libs.
2360 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2362 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2364 2001-02-02 lars brinkhoff <lars@nocrew.org>
2366 * md.texi (Standard Names): remove reference to spur.md.
2368 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2370 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2371 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2372 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2373 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2374 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2376 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2378 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2379 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2380 number before reload.
2381 (c4x_adjust_cost): Return zero before reload.
2382 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2383 split before reload.
2385 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2387 * c4x.c (c4x_hard_regno_rename_ok): New.
2388 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2389 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2391 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2393 * diagnostic.h: Add missing "extern" in all declarations.
2395 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2397 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2398 as for gcc_gxx_include_dir.
2400 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2402 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2404 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2406 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2407 label before alignment to be used as the braf base address.
2408 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2410 (casesi_jump_2): Require at least TARGET_SH2.
2412 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2413 truncation to 32-bit doubles on -m3e and -m4-single-only.
2415 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2417 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2418 the default when building a shared object.
2419 (init_spec): Use it.
2420 * testsuite/lib/g++.exp: Include the directory where libgcc
2421 is located to the LD_LIBRARY_PATH list.
2422 * invoke.texi (-shared-libgcc): Document the cases in which
2423 GCC defaults to using the shared libgcc.
2425 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2427 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2428 unsigned is wide enough.
2430 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2431 (si_to_float): Likewise.
2432 (float_to_si, float_to_usi): Use BITS_PER_SI.
2434 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2436 * dwarf2out.c: Added explanation of abbreviations.
2437 (def_cfa_1): Added comments listing DWARF2 instructions.
2438 (cfa_temp_reg): Removed in favor of cfa_temp.
2439 (cfa_temp_value): Removed in favor of cfa_temp.
2440 (cfa_temp): New global variable.
2441 (dwarf2out_frame_debug_expr): Added extensive introductory
2442 comments explaining the function's transformations. Revised to
2443 use cfa_temp. Added some rtx checking. Generalize IOR case.
2444 (dwarf2out_frame_debug): Revised to use cfa_temp.
2445 (output_aranges): Cast as "unsigned" to avoid warning.
2446 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2447 explain which instructions must be marked.
2449 2001-02-01 Richard Henderson <rth@redhat.com>
2451 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2454 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2456 * config/sh/crt1.asm (main_k): Modified so that start calls
2457 ___setup_argv_and_call_main.
2459 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2461 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2462 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2463 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2464 * cppmacro.c (builtin_macro): Set builtin flags here.
2465 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2466 (replace_args): Clarify intent.
2467 (cpp_get_token): Macro expansion tokens get the saved flags.
2469 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2472 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2474 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2477 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2479 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2480 returns Pmode pseudo, but we need ptr_mode.
2481 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2482 Remove bogus conversions; use HOST_WIDE_INT for size.
2483 Don't use TARGET if wrong mode.
2485 * config/i386/i386.c (ix86_compute_frame_size): Allow
2486 stack_alignment_needed to be non-default even if size is zero.
2488 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2490 * (hppa_init_pic_save): Emit the pic offset table
2491 reg save after last_parm_insn.
2492 * pa.c (hppa_init_pic_save): New function.
2493 * pa.h (hppa_init_pic_save): Declare.
2494 * pa.md (call, call_value, sibcall, sibcall_value): Use
2495 the above instead of duplicated code.
2497 * pa.c (hppa_encode_label): Correct size of alloca buffer
2498 so we don't overrun it. Correct leading `*' case.
2499 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2500 need to handle `*@'.
2501 (FUNCTION_NAME_P): Likewise.
2503 2001-01-31 Richard Henderson <rth@redhat.com>
2505 * config.gcc (alpha-osf5): Use float-i128.h.
2507 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2508 * config/float-i32.h: Likewise.
2509 * config/float-i64.h: Likewise.
2510 * config/float-sh.h: Likewise.
2511 * config/float-sparc.h: Likewise.
2513 2001-01-31 DJ Delorie <dj@redhat.com>
2515 * expmed.c (extract_bit_field): allow non-integral modes if we
2516 want to extract a whole register from itself.
2518 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2520 * c-typeck.c (set_init_index): If first is equal to last, assume as
2521 if it was not a range at all.
2523 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2525 * config/fp-bit.c: Include tm.h.
2526 (float_to_si): Don't assume SImode is 32-bits wide.
2527 (float_to_usi): Likewise.
2529 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2531 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2533 (typename): Call pending_xref_error after parsing typed_typespecs.
2534 * c-decl.c (lookup_tag): Give error immediately rather than
2535 leaving it pending if the tag of the wrong type is in the same
2537 (xref_tag): Don't pedwarn for forward declarations of enum types
2539 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2542 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2544 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2546 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2548 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2549 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2551 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2553 * cpphash.h (struct cpp_reader): New saved_flags.
2554 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2555 to avoid a paste after a pasted token.
2557 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2559 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2560 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2561 Wtype_MIN instead of LONG_MIN.
2563 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2565 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2567 * fixinc/fixincl.x: Regenerated.
2568 * fixinc/inclhack.def (irix_limits_const): New definition to
2569 convert "const" to "__const" in limits.h.
2571 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2573 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2575 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2577 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2578 when register dies in the insn.
2580 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2582 * diagnostic.c (fatal): Fix word wrap.
2584 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2586 * combine.c (try_combine): Fix SUBREG setting for
2587 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2589 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2591 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2594 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2596 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2598 * toplev.c (decode_W_option): Update warn_larger_than
2599 unconditionally for each processed switch.
2601 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2603 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2605 (hppa_expand_prologue): Delete code to save pic offset table register
2606 in the function prologue.
2607 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2608 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2609 table register at the beginning of the function after the prologue.
2611 2001-01-29 lars brinkhoff <lars@nocrew.org>
2613 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2615 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2616 Jeff Law <law@redhat.com>
2618 * pa.md (return): Revise comment for trivial return.
2619 (return_internal): Non-trivial return pattern for non-PIC code.
2620 (return_internal_pic): Non-trivial return pattern for PIC code.
2621 It uses the PIC register to ensure it is restored after
2623 (epilogue): Generate appropriate return for PIC and non-PIC code.
2625 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2627 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2629 2001-01-29 DJ Delorie <dj@redhat.com>
2631 * combine.c (if_then_else_cond): Pass the correct mode to
2632 operand_subword() for constants.
2634 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2636 * config/i386/cygwin.h: Add w32api to include search. Search different
2637 directories in a cross-build environment.
2639 2001-11-29 Tim Josling <tej@melbpc.org.au>
2641 * tree.h (TYPE_STUB_DECL): Add documentation.
2643 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2645 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2646 (sdbout_field_types): Likwise. Fix use of host_integerp.
2648 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2650 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2653 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2655 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2656 to use flag_gnu_linker.
2658 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2660 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2661 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2663 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2665 * tree.c, tree.h (build_parse_node): Remove; was identical to
2667 * c-lang.c (start_cdtor), objc/objc-act.c
2668 (build_module_descriptor): Use build_nt instead of
2671 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2673 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2674 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2675 not have any upper bits set.
2677 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2679 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2681 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2683 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2685 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2687 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2688 (integer_minus_one_node): Define.
2690 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2692 * Makefile.in (bootstrap2-lean): Fix typo.
2694 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2696 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2697 : Don't set fe_value.
2698 * cpplib.h (AVOID_LPASTE): New flag.
2699 (struct cpp_hashnode): Remove fe_value.
2700 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2701 * cppmacro.c (builtin_macro): Don't set flags here.
2702 (replace_args): Set AVOID_LPASTE flag on first token of an
2703 argument, and the token following it.
2704 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2705 macro expansion, and on the token following it. Do it for
2707 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2709 2001-01-27 Richard Henderson <rth@redhat.com>
2711 * config/alpha/t-ieee: Remove multilibbing.
2712 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2714 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2716 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2718 * Makefile.in: Remove all dependencies on defaults.h.
2719 * builtins.c: Don't include defaults.h.
2720 * c-common.c: Likewise.
2721 * c-decl.c: Likewise.
2722 * c-pragma.c: Likewise.
2723 * c-typeck.c: Likewise.
2724 * combine.c: Likewise.
2726 * frame-ia64.c: Likewise.
2727 * cppexp.c: Likewise.
2728 * crtstuff.c: Likewise.
2729 * dbxout.c: Likewise.
2730 * dwarf2out.c: Likewise.
2731 * dwarfout.c: Likewise.
2732 * emit-rtl.c: Likewise.
2733 * except.c: Likewise.
2735 * final.c: Likewise.
2736 * frame-dwarf2.c: Likewise.
2737 * libgcc2.c: Likewise.
2738 * optabs.c: Likewise.
2739 * profile.c: Likewise.
2740 * sdbout.c: Likewise.
2741 * toplev.c: Likewise.
2742 * tradcif.y: Likewise.
2744 * varasm.c: Likewise.
2746 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2748 * builtins.c (expand_builtin_fputs): Use size_one_node when
2749 transforming into fwrite.
2751 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2753 * extend.texi (Attribute Syntax): New section.
2755 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2757 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2758 they didn't need fixing.
2760 2001-01-27 Janis Johnson <janis@us.ibm.com>
2762 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2764 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2765 to remove macro definitions that are duplicated from elfos.h.
2767 2001-01-27 Richard Henderson <rth@redhat.com>
2769 * config/i386/sco5gas.h: Move ...
2770 * config/usegas.h: ... here.
2771 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2773 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2775 * c-typeck.c (struct constructor_stack): Add range_stack member.
2776 (really_start_incremental_init): Clear it.
2777 (push_init_level): Save constructor_range_stack and clear it if
2778 pushing explicit braces.
2779 (pop_init_level): abort if constructor_range_stack is non-zero at
2780 explicit closing brace. Restore saved constructor_range_stack if
2783 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2785 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2786 into register was forced into memory.
2788 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2790 * Makefile.in: Remove uses of + before $(MAKE).
2792 2001-01-26 Richard Henderson <rth@redhat.com>
2794 * stmt.c (cost_table): Remove.
2795 (COST_TABLE, cost_table_initialized): New.
2796 (estimate_case_costs): Use the later instead of the former.
2797 (balance_case_nodes): Likewise.
2799 2001-01-26 Richard Henderson <rth@redhat.com>
2801 * alias.c (objects_must_conflict_p): Read-only slots may not
2802 conflict despite having the same type.
2804 2001-01-27 Michael Hayes <mhayes@redhat.com>
2806 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2808 (check_ext_dependant_givs): Initialise u_start_val and
2810 (load_mems): Make last_max_reg unsigned.
2811 (try_swap_copy_prop): Use INSN_P and initialise set.
2813 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2815 * README.AVR : Removed.
2817 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2819 * pa-64.h (text_section): Remove declaration.
2821 * pa.md (return_internal): Remove mode on PIC register use.
2823 2001-01-25 lars brinkhoff <lars@nocrew.org>
2825 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2826 ASM_CLOSE_PAREN): fix typos.
2828 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2830 * acconfig.h: Define `const' to the empty string if neither
2831 __STDC__ nor __cplusplus is defined.
2832 * config.in: Regenerated.
2834 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2836 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2837 * collect2.c (main): Delete importf. Add ".obj" file extension.
2838 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2839 (aix_std_libs): Add additional AIX libraries to skip.
2840 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2841 * config/rs6000/aix51.h: New file.
2843 2001-01-25 Michael Hayes <mhayes@redhat.com>
2845 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2846 (loop_insn_emit_before): No longer static.
2847 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2848 (loop_givs_rescan, load_mems): Likewise.
2849 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2850 (maybe_eliminate_biv_1):
2851 (move_movables): Replace emit_call_insn_before with
2852 loop_call_insn_hoist.
2853 * loop.h (loop_insn_emit_before): Add.
2854 * unroll.c (copy_loop_body): Replace emit_insn_before with
2855 loop_insn_emit_before.
2857 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2859 * diagnostic.c (fatal): Request preprocessed source.
2861 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2863 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2864 olddecl has argument types and newdecl has none, use the argument
2867 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2869 * dwarf2out.c (prefix_of): New function. Determine longest common
2870 prefix of the two arguments. The units are whole path components.
2871 (output_file_names): When adding a new directory find the one entry
2872 with the longest common prefix already in the list. Artificially
2873 generate entry if there is none for this prefix.
2874 Fix test to check whether the zeroth directory entry is used.
2876 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2878 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2879 Changed all callers. Take it into account when deciding if a
2880 previously loaded value matches.
2882 2001-01-24 Richard Henderson <rth@redhat.com>
2884 * reload.c (find_reloads_subreg_address): Fail the substitution
2885 if the resulting address is insufficiently aligned.
2887 2001-01-24 DJ Delorie <dj@redhat.com>
2889 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2890 check the original operand's mode also.
2891 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2893 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2895 * c-parse.in (cast_expr): Move compound literals from here ...
2896 (primary): ... to here. Use standard terminology "compound
2897 literal" instead of "constructor expression".
2899 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2901 * gcc.1, cpp.1: Regenerate.
2903 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2905 * calls.c (emit_library_call_value_1): Memory slot for
2906 pass-by-reference argument should have the mode of the argument,
2907 not of the pointer to it.
2909 2001-01-24 Tom Tromey <tromey@redhat.com>
2911 * gcc.texi (G++ and GCC): Mention gcj manual.
2912 (Standards): Link to section of manual mentioning gcj/Java
2915 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2917 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2918 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2919 * tradcpp.c (main): Add -imacros or -include'd dependencies
2921 * cpp.texi (-M, -MM): Document -M -include behaviour.
2923 2001-01-24 Roger Collins <roger@ProProject.com>
2925 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2927 2001-01-24 Will Cohen <wcohen@redhat.com>
2929 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2930 whether registers are 32 bits or 64 bits in size.
2932 2001-01-24 Ben Elliston <bje@redhat.com>
2934 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2936 2001-01-24 Richard Henderson <rth@redhat.com>
2938 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2939 (builtin_longjmp): Use it instead of emit_indirect_jump.
2941 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2943 * bb-reorder.c (make_reorder_chain_1): Handle case where
2944 jump edge goes to the same block as the fallthru edge.
2946 2001-01-23 Jim Wilson <wilson@redhat.com>
2948 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2949 * frame.h (__ia64_personality_v1): Add prototype.
2950 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2951 prototype form. Add void * cast to first argument to personality
2953 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2954 (asctoe113): Likewise.
2955 * config/ia64/frame-ia64.c: Include eh-common.h.
2956 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2958 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2960 (itanium_split_issue): Add prototype.
2961 (gen_nop_type): Ifdef out.
2962 (find_best_packet): Initialize best_packet.
2963 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2965 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2966 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2967 (flushrs): Add explicit stop bit at end.
2968 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2971 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2973 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2975 * libgcc2.c (__terminate_func): Make variable static.
2976 (__terminate_set_func): New function to set __terminate_func.
2977 * libgcc2.h (__terminate_func_ptr): New typedef.
2978 (__terminate_set_func): New function.
2980 2001-01-23 Richard Henderson <rth@redhat.com>
2982 * flow.c (init_propagate_block_info): Don't consider unchanging
2983 memories for dead frame store elimination.
2985 2001-01-23 Richard Henderson <rth@redhat.com>
2987 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2988 * defaults.h: ... here.
2990 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2992 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2994 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2996 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2998 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3000 * rs6000.h (rs6000_return_addr): Move prototype from here...
3001 * rs6000-protos.h (rs6000_return_addr): ...to here.
3002 (rs6000_init_expanders): Delete prototype.
3004 2001-01-23 Nick Clifton <nickc@redhat.com>
3006 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3007 (Spec Files): Document %B and %j and %. and %v3 and %M and
3008 %{S*&T} spec switches.
3010 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3012 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3014 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3015 Neil Booth <neil@daikokuya.demon.co.uk>
3017 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3018 Have -Werror make pedantic warnings errors, like the
3021 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3023 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3025 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3027 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3028 * integrate.c (expand_inline_function): Initialize them.
3029 (subst_constants): If changing COMPARE so that both its arguments
3030 will be VOIDmode and the comparison mode will be lost, note
3031 compare_mode. Use the recorded compare_mode to optimize
3034 2001-01-23 Jason Merrill <jason@redhat.com>
3036 * dwarf2out.c (new_die): Use xcalloc.
3037 (output_die): Abort rather than emit a local reference to offset 0.
3039 2001-01-17 Andrew Haley <aph@redhat.com>
3041 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3042 of a saved register; return NULL instead.
3043 (copy_reg): Take a pointer to a source register rather than a
3045 (next_stack_level): Remember the address in the stack frame of all
3047 Use the saved register pointer array as the source of the CFA.
3048 (throw_helper): Rewrite. Unwind once rather than twice and keep
3049 track of saved registers as we go.
3051 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3053 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3054 * c4x.c (c4x_legitimize_reload_address): Remove.
3055 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3056 reload address for ldp(k) insn.
3058 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3060 * pa.md (return_internal): Add a USE of the PIC register to ensure
3061 it is restored after each call.
3062 (return expander): Corresponding changes.
3064 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3066 * rs6000.h (INIT_EXPANDERS): Delete.
3067 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3068 * rs6000.c (rs6000_override_options): Call *_machine_status from
3070 (rs6000_init_expanders): ...instead of here. Delete.
3071 (rs6000_mark_machine_status): New function.
3072 (rs6000_init_machine_status): Use xcalloc.
3073 (rs6000_return_addr): Generate RTX for the return address.
3074 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3075 (rs6000_stack_info): Use it.
3077 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3079 * gthr-win32.h: Include errno.h to get a declaration for
3080 EINVAL and _mingw.h if the target is mingw32.
3082 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3084 * cpp.texi: Correct typos.
3086 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3088 * explow.c (probe_stack_range): Ensure value passed to
3089 stack_check_libfunc is ptr_mode, not Pmode.
3091 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3093 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3094 case, don't use operand_subword to calculate a SUBREG that is
3097 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3099 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3101 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3102 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3103 valid. If not replace it by equivalent insns.
3105 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3107 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3108 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3109 (c4x_U_constraint, symbolic_address_operand): Likewise.
3110 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3112 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3113 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3114 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3115 anulling slot because of silicon bug.
3116 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3118 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3120 * cppexp.c (parse_charconst): Change `mask' type to agree
3123 2001-01-21 Richard Henderson <rth@redhat.com>
3125 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3126 pic_label_name in a linkonce section.
3128 2001-01-17 Philipp Thomas <pthomas@suse.de>
3130 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3132 * configure: Regenerate.
3134 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3136 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3137 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3139 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3141 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3142 If REVERSE nonzero then condition code in X must be reversed.
3143 (encode_section_info): Optimise if/else.
3144 (avr_function_value): Fix formatting.
3146 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3147 (difficult_branch): Likewise.
3148 (rvbranch): Likewise.
3149 (difficult_rvbranch): Likewise.
3151 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3153 * config/avr/libgcc.S: Fix comment.
3155 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3157 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3159 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3161 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3163 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3165 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3166 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3167 * configure, config.in: Regenerate.
3168 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3169 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3170 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3171 (doprint.o): New rule.
3173 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3175 * c-typeck.c (digest_init): Handle boolean types as scalars.
3177 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3179 * stmt.c (expand_return): Don't return anything if size is zero.
3180 Delete redundant assignment to BYTES.
3181 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3183 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3185 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3186 the same as the default library function names.
3187 * config/avr/avr.md: Document special characters after '%'.
3188 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3189 knowing which of the call-used registers are really clobbered.
3190 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3191 New. Both quotient and remainder from one libgcc.S call.
3192 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3193 clobber as few registers as possible.
3194 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3196 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3198 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3199 context of the top of the stack.
3201 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3203 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3204 (fixup_var_refs_insns): ...here.
3206 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3208 * function.c (fixup_var_refs_insns): Break up into
3209 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3210 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3211 [loop over hash table entries].
3212 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3213 fixup_var_refs_insns_with_hash, to match above changes.
3215 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3217 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3218 (libgcc.a): Likewise.
3219 (stmp-multilib): Likewise.
3220 (STAGE2_FLAGS_TO_PASS): Likewise.
3222 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3224 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3225 temporary if no_new_pseudos.
3227 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3229 * cppinternals.texi: Update.
3231 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3233 * arm.c (arm_init_builtins): Re-enable builtins.
3235 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3237 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3238 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3239 element to be null, and always expect an EXPR_LIST.
3240 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3241 * sched-deps.c (sched_analyze_1): Likewise.
3242 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3244 * regclass.c (max_set_parallel): New variable.
3245 (reg_scan): Take it into account in computation of max_parallel.
3246 (reg_scan_mark_refs, case SET): Compute it.
3248 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3250 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3251 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3253 2001-01-19 Jason Merrill <jason@redhat.com>
3255 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3256 for the abstract instance of an inline function.
3258 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3259 J"orn Rennecke <amylaar@redhat.com>
3261 * reload1.c (move2add_note_store): Treat all registers directly or
3262 indirectly derived from a base register as members of the same set
3264 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3265 of base register into account.
3267 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3269 * alias.c (find_base_value): Recognize TRUNCATE.
3270 (record_set): In PLUS case, invalidate if other summand is also a
3273 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3275 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3276 entry to be EXPR_LIST.
3277 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3278 be an EXPR_LIST (but not null, which other code doesn't allow).
3279 (note_stores): Properly handle PARALLEL in SET.
3280 Recursively call for top-level PARALLEL.
3281 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3282 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3284 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3286 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3288 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3289 not pfile->skipping (== 0).
3291 2001-01-17 Nick Clifton <nickc@redhat.com>
3293 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3296 2001-01-17 Jim Wilson <wilson@redhat.com>
3298 * invoke.texi (IA-64 options): Improve.
3300 2001-01-17 Tom Tromey <tromey@redhat.com>
3302 * invoke.texi (Optimize Options): Use `{}' to around @samp
3305 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3307 * invoke.texi (-fno-guess-branch-probability): New option.
3309 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3311 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3312 case of making new double-word constant.
3313 Revert last change: instead just test i3_subst_into_i2.
3315 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3317 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3318 Use q constraints instead of r.
3320 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3322 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3323 (machine_function): Define.
3324 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3325 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3326 pa_free_machine_status): New functions.
3327 (override_options): Set {init,mark,free}_machine_status to above.
3328 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3329 PIC_OFFSET_TABLE_REGNUM_SAVED.
3330 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3331 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3332 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3333 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3334 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3336 2001-01-15 DJ Delorie <dj@redhat.com>
3338 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3342 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3344 * flow.c (propagate_on_insn): Make trying to delete a prologue
3345 or epilogue insn an ICE, not a warning. Allow doing this if
3346 the current function returns with stack pointer depressed.
3348 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3349 I3 having more than one SET.
3351 2001-01-16 Jim Wilson <wilson@redhat.com>
3353 * invoke.texi: Document IA-64 options.
3355 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3356 (fixup_errata): Delete TARGET_A_STEP use.
3357 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3358 (TARGET_SWITCHES): Delete -ma-step option.
3359 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3360 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3361 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3362 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3363 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3364 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3366 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3367 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3368 cmovsi_internal): Delete ! TARGET_A_STEP check.
3370 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3372 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3373 possibility to report bugs via postal mail. Change a URL and
3374 merge in a nearly duplicate statement...
3375 (Bug Reporting): ...from here.
3376 (Service): Refer to the Bug Reporting section instead of
3378 (Contributing): Remove trivial explanations concerning snapshots.
3380 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3382 * cppmain.c (general_init): Don't use ANSI prototype.
3384 2001-01-16 Tom Tromey <tromey@redhat.com>
3386 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3388 2001-01-16 Richard Henderson <rth@redhat.com>
3390 * config/i386/i386.h: Fix comment typo.
3391 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3392 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3394 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3396 * gcc.c: Revert previous -fsyntax-only-related change; move
3399 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3401 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3402 inmode after checking GET_CODE (op).
3404 2001-01-16 Richard Henderson <rth@redhat.com>
3406 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3407 (MAX_MEM_SET_LIST_LEN): New.
3408 (propagate_one_insn): Update mem_set_list_len.
3409 (invalidate_mems_from_autoinc): Likewise.
3410 (invalidate_mems_from_set): Likewise.
3411 (mark_used_regs): Likewise.
3412 (init_propagate_block_info): Likewise. Stop collecting memories
3413 when we reach MAX_MEM_SET_LIST_LEN.
3414 (mark_set_1): Likewise.
3416 2001-01-16 Richard Henderson <rth@redhat.com>
3418 * unroll.c (precondition_loop_p): Fail if no iteration
3421 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3423 * gcc.c: When -fsyntax-only is given, do not complain about
3426 2001-01-15 Richard Henderson <rth@redhat.com>
3428 * config/i386/i386.c (asm_output_function_prefix): Remove.
3429 (ix86_asm_file_end): New.
3430 (load_pic_register): Generate pic_label_name into a
3431 staticly allocated buffer.
3432 * config/i386/i386-protos.h: Update.
3433 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3434 (ASM_FILE_END): New.
3435 * config/i386/i386afe.h: New file.
3436 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3437 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3438 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3439 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3440 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3441 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3442 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3444 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3446 * Makefile.in (install-man): Remove explicit dependency on
3449 * configure.in, configure: Revert previous patch requiring perl
3452 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3454 * toplev.c (flag_guess_branch_prob): New.
3455 (f_options): Add guess-branch-probability option.
3456 (rest_of_decl_compilation): Only estimate branch probability if
3458 (main): set flag_guess_branch_prob.
3460 * flags.h (flag_guess_branch_prob): New.
3462 2001-01-15 DJ Delorie <dj@redhat.com>
3464 * gcc.texi (Makefile): Add documentation for Makefile targets.
3466 2001-01-15 Philip Blundell <philb@gnu.org>
3468 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3470 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3471 (is_pic): Delete declaration.
3472 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3473 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3474 * config/arm/arm.md (builtin_setjmp_receiver): New.
3476 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3478 * arm.c (use_return_insn): Don't try to determine the function type
3479 until after reload has completed.
3480 (arm_output_epilogue): Don't adjust the sp value recovered from the
3482 (emit_multi_reg_push): Don't record dwarf information for the pc.
3483 * arm.md (eh_epilogue): The function type may have changed, so it
3484 needs to be recalculated.
3485 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3486 unwind tables on arm/netbsd.
3488 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3490 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3491 (negated_cbranchsi4): Likewise.
3493 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3495 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3496 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3497 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3498 pass -mapcs-* options to assembler.
3499 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3500 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3501 (ASM_SPEC): Call subtarget_extra_asm_spec.
3503 2001-01-15 Andreas Jaeger <aj@suse.de>
3505 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3507 (ix86_expand_builtin): Likewise.
3509 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3510 warning about comparison between signed and unsigned.
3512 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3514 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3516 2001-01-14 Ralf Baechle <ralf@gnu.org>
3518 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3519 SUBTARGET_CPP_SPEC apropriatly.
3521 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3523 * varasm.c (make_decl_rtl): Fix typo in last change.
3525 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3527 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3528 linker supports the init_priority C++ attribute.
3529 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3530 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3531 linker does not support init_priority C++ attribute.
3533 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3535 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3537 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3539 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3540 * cp/lex.c (finish_parse): Similarly.
3541 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3542 Return the number of errors encountered.
3543 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3544 * cppmain.c (main): Don't call cpp_destroy.
3546 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3548 * configure.in: Require at least perl 5.6.0 to regenerate
3550 * configure: Regenerate.
3552 2001-01-14 Richard Henderson <rth@redhat.com>
3554 * genrecog.c (DT_veclen_ge): New.
3555 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3556 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3557 (nodes_identical_1): Handle DT_veclen_ge.
3558 (write_cond, debug_decision_2): Likewise.
3560 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3562 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3564 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3566 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3568 * cppmain.c (do_preprocessing): New function; most of the old
3570 (main): Call it to do most of the work.
3571 (cb): Move from global scope to set_callbacks ().
3572 (setup_callbacks): Get the callback pointer.
3573 (general_init, printer_init): Clean up code and comments.
3575 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3577 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3580 2001-01-14 Kazu Hirata <kazu@hxi.com>
3582 * config/h8300/h8300.c (get_shift_alg): Update comments.
3584 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3586 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3587 (alloc_page, ggc_alloc): Add casts to remove warnings.
3589 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3591 * combine.c (simplify_comparison): Don't change `code' when
3592 can't reverse comparison.
3594 2001-01-14 Richard Henderson <rth@redhat.com>
3596 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3597 update all call sites. Return true for all non-label constants.
3599 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3601 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3603 (ix86_expand_branch): Update.
3604 (ix86_expand_setcc): Update to handle multiple test conditions.
3605 (expand_int_movcc): Likewise.
3606 (expand_fp_movcc): Likewise.
3607 * i386-protos.h (ix86_expand_compare): New.
3608 * i386.md (andqi_?_slp, orqi_?_slp): New.
3609 (conditional trap expander): Update call to ix86_expand_compare.
3611 2001-01-14 Richard Henderson <rth@redhat.com>
3613 * config/vax/vax.md: Use nonimmediate_operand instead of
3614 general_operand in destinations.
3616 * config/vax/vax.md (indirect_jump): Use register_operand.
3618 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3619 * config/vax/vax.md (call_pop): Turn into an expander.
3620 (call_value_pop): Likewise.
3621 (call, call_value): New.
3623 2001-01-14 Andreas Jaeger <aj@suse.de>
3625 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3627 (ix86_fp_compare_mode): Add unused attribute.
3628 (ix86_expand_fp_movcc): Remove unused variable.
3629 (ix86_expand_builtin): Make fcode unsigned.
3631 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3632 (expand_expr): Add cast to avoid signed warning.
3633 (store_field): Likewise.
3634 (store_constructor_field): Likewise.
3635 (store_constructor): Likewise.
3636 (store_expr): Likewise.
3637 (clear_storage): Likewise.
3638 (emit_group_store): Likewise.
3639 (emit_group_load): Likewise.
3641 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3643 * c-common.c: Move format checking code to ...
3644 * c-format.c: ... here. New file. Reorder some functions and
3646 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3648 * c-common.h (decl_handle_format_attribute,
3649 decl_handle_format_arg_attribute): Declare.
3650 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3651 (c-common.o): Adjust dependencies.
3652 (c-format.o): New list of dependencies.
3654 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3656 * unroll.c (loop_iterations): If we cannot prove iteration variable
3657 is set once in each iteration, punt.
3659 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3661 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3662 (*strlenhi): Remove clobber (which was buggy) of output address.
3664 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3666 * Makefile.in (generated-manpages): Add gcc.1
3667 ($(srcdir)/gcc.1): New target.
3668 (maintainer-clean): Delete $(srcdir)/gcc.1.
3669 * gcc.texi: Add macros @gccoptlist and @gol.
3670 * invoke.texi: Include option summary in manpage. Mark up option
3671 summary with @gccoptlist and @gol. Use @r in one place where
3673 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3674 * gcc.1: Generate from invoke.texi.
3676 2001-01-13 Richard Henderson <rth@redhat.com>
3678 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3679 (struct page_entry): Add group member.
3680 (struct page_group): New.
3681 (struct globals): Add page_groups member.
3682 (alloc_anon): Only define for using mmap; remove valloc call.
3683 (page_group_index): New.
3684 (set_page_group_in_use): New.
3685 (clear_page_group_in_use): New.
3686 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3687 (free_page, release_pages): Likewise.
3688 * configure.in (with-gc): Default to ggc-page always.
3690 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3692 * reload1.c (replace_pseudos_in_call_usage): Use
3693 reg_equiv_constant and reg_equiv_address, and don't try
3694 regno_reg_rtx first.
3696 2001-01-13 Richard Henderson <rth@redhat.com>
3698 * ggc-page.c (alloc_page): Round up allocation size to one page.
3699 Set e->order on extra pages.
3701 2001-01-13 Richard Henderson <rth@redhat.com>
3703 * genrecog.c (nodes_identical): Expand commentary.
3704 (write_switch): Watch out for identical nodes.
3706 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3708 * cppfiles.c (_cpp_fake_include): New function.
3709 * cpphash.h (_cpp_fake_include): New.
3710 * cpplib.c (do_line): Call _cpp_fake_include when entering
3711 header files in preprocessed input.
3712 * cppmain.c (cb_pragma_implementation): Remove handling.
3713 (setup_callbacks): Don't register pragmas.
3715 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3717 * extend.texi: Udate for CPP.
3719 2001-01-13 Andreas Jaeger <aj@suse.de>
3721 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3723 * regmove.c: Add prototype for replace_in_call_usage.
3725 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3727 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3728 struct cpp_chunk, struct htab, struct toklist,
3729 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3730 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3731 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3732 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3733 (struct macro_args): Delete.
3734 * cpphash.h: See above.
3736 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3738 * cppmain.c (struct printer): Remove no_line_dirs.
3740 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3741 : Use options rather than CPP_OPTION.
3742 (setup_callbacks): Use cb rather than pfile->cb.
3743 (main): No need to check for a buffer. Use cpp_errors.
3744 (printer_init): Don't set no_line_dirs.
3745 (maybe_print_line): Use options not no_line_dirs.
3746 (cb_file_change): Don't call print_line if -P.
3748 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3750 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3752 * c-parse.in (finish_parse): Use cpp_errors.
3753 (__yylex): Use return value of cpp_pop_buffer.
3754 * cp/lex.c (finish_parse): Use cpp_errors.
3755 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3757 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3759 * README.AVR: URLs corrected.
3761 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3763 * c-decl.c (start_function): Don't warn if old prototype is builtin
3764 that's not in C's namespace.
3765 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3766 (_bb): Add prototype for ctime.
3767 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3769 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3771 * i386.c (ix86_fp_comparison_arithmetics_cost,
3772 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3773 ix86_fp_comparison_cost): New functions.
3774 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3775 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3776 two-branch sequences; make static.
3777 (ix86_use_fcomi_compare): Do decision according to the costs.
3778 (split_fp_branch): New.
3779 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3780 * i386-protos.h (ix86_expand_fp_compare): Remove
3781 (ix86_split_fp_branch): Declare.
3783 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3784 and ix86_comparison_operator.
3786 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3789 * i386.c (put_condition_code): Output properly the unordered/ordered
3790 compares in fp case.
3791 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3793 * tm.texi (REVERSE_CONDITION): Document.
3794 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3795 in -ffast-math mode.
3796 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3798 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3800 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3802 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3805 * config/sh/sh.c (mova_p): Fix test for mova_const.
3807 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3809 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3810 cpp_get_options rather than dereferencing pfile and using
3812 * scan-decls.c (scan_decls): Use return value of
3813 cpp_pop_buffer rather than CPP_BUFFER.
3815 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3817 * cppinit.c (cpp_handle_option): help_only is now part of the
3818 cpp_options structure.
3819 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3820 cpp_set_callbacks): New functions.
3821 * cpplib.h (cpp_callbacks): Break out as a named structure.
3822 (cpp_options): Move help_only here from cpp_reader.
3823 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3824 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3825 cpp_set_callbacks): New prototypes.
3826 * cppmain.c (main): Update for help_only.
3828 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3830 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3831 Also build and remove and install and uninstall c-tree.info and
3833 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3834 ($(srcdir)/cppinternals.info): New target.
3835 * c-tree.texi: Change file name used when makeinfo used without -o
3836 from ir.info to c-tree.info. Add info directory entry.
3837 * cppinternals.texi: Add info directory entry.
3838 * .cvsignore: Update.
3840 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3842 * c-typeck.c (store_init_value): Don't require constant initializer
3843 elements with -pedantic -std=c99.
3844 (digest_init): Change error about non-constant initializer elements
3846 (constructor_range_end): Remove.
3847 (constructor_incremental, designator_depth,
3848 designator_errorneous): New variables.
3849 (struct constructor_stack): Remove range_end, add incremental.
3850 (struct constructor_range_stack, constructor_range_stack): New.
3851 (struct initializer_stack): Add constructor_range_stack.
3852 (finish_init): Set it.
3853 (start_init): Likewise. require_constant_elements for non-static
3854 trees only if not flag_isoc99.
3855 (really_start_incremental_init): Remove constructor_range_end, add
3856 constructor_incremental.
3857 (pop_init_level): Likewise.
3858 (push_init_level): Likewise. If implicit and the subobject had some
3859 value set already, preinitialize the level with it.
3860 Warn about missing braces only if not pushing due to designators.
3861 (set_designator, push_range_stack): New functions.
3862 (set_init_label): Use them.
3863 (set_init_index): Likewise. Remove constructor_range_end.
3864 Error if designator index is outside of array bounds.
3865 (add_pending_init): Compare values of purpose index trees, not the
3866 trees themselves. Allow overwriting of already initialized element.
3867 Issue a warning if it had side-effects.
3868 (set_nonincremental_init, set_nonincremental_init_from_string): New
3870 (pending_init_member): Rename to...
3871 (find_init_member): ...this function. Call set_nonincremental_init
3872 if necessary. Compare values of purpose index trees, not the trees
3873 themselves. Return the actual value, not just non-zero if something
3875 (output_init_element): Remove checks for duplicates.
3876 If field has zero size, only check the initializer for correctness.
3877 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3878 if constructor_incremental is zero. Change error about initializers
3879 not computable at load time into pedwarn.
3880 (output_pending_init_elements): Compare bit positions, not
3881 FIELD_DECLs to take into account zero-sized fields.
3882 (process_init_element): Use constructor_range_stack to fill all
3883 ranges in the designator lists from current level up.
3884 * extend.texi: Update documentation for labeled elements.
3886 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3888 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3889 to function usage for arguments passed by reference. Optimize
3890 callee-copied arguments.
3891 * regmove.c (replace_in_call_usage): New function.
3892 (fixup_match_1): Call it.
3893 * cse.c (cse_insn): Canonicalize registers in function usage.
3894 * reload1.c (replace_pseudos_in_call_usage): New function.
3897 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3900 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3902 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3905 2001-01-12 DJ Delorie <dj@redhat.com>
3907 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3908 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3911 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3913 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3914 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3915 -std options alongside references to -ansi. Update some
3916 documentation for C99.
3917 * cpp.1: Regenerate.
3919 2001-01-12 Andreas Jaeger <aj@suse.de>
3921 * haifa-sched.c (restore_line_notes): Remove argument block B
3923 * sched-ebb.c (schedule_ebb): Change caller.
3924 * sched-rgn.c (schedule_region): Likewise.
3925 * sched-int.h (restore_line_notes): Adjust prototype.
3927 * loop.h: Remove wrong declaration of doloop_condition_get.
3929 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3931 * extend.texi: Move C++-extension-related node from the C section
3932 into the C++ section.
3934 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3936 * extend.texi: Refer to an array of pointers to functions instead
3937 of one of functions.
3939 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3940 Jan Hubicka <jh@suse.cz>
3942 * combine.c (reversed_comparison): Fix typo in last patch.
3944 (combine_reversed_comparison_code): Make static to follow
3945 prototype declaration.
3947 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3949 * install.texi: Remove misplaced duplicate entry.
3951 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3953 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3955 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3957 * final.c: (leaf_function_p): Fix typo.
3959 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3961 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3962 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3964 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3965 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3966 mmap_anon, and valloc is available.
3967 * ggc-page.c: Restructure ifdef logic to match new autoconf
3968 spec. Don't throw away the test page in init_ggc.
3970 * configure, config.in: Regenerate.
3972 2001-01-12 Michael Hayes <mhayes@redhat.com>
3974 * loop.h (total_biv_increment): Constify iv_class pointer.
3975 (struct induction): Replace `mem_mode' with `mem' rtx.
3976 * unroll.c (total_biv_increment): Constify iv_class pointer.
3977 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3978 (find_mem_givs, combine_givs_p): Likewise.
3979 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3981 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3983 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3985 (__gthread_getspecific): Ditto.
3987 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3989 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3990 put_condition_code): Convert fp comparison codes to integer
3992 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3995 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3996 * i386-protos.h (no_comparison_operator): Kill.
3998 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4000 * combine.c (REVERSIBLE_CC_MODE): Remove.
4001 (reversible_comparison_p): Remove.
4002 (combine_reversed_comparison_code): New.
4003 (reversed_comparison): New.
4004 (combine_simplify_rtx): Use
4005 combine_reversed_comparison_code/reversed_comparison instead
4006 of reversible_comparison_p.
4007 (simplify_if_then_else): Likewise.
4008 (simplify_set): Likewise.
4009 (simplify_logical): Likewise.
4010 (if_then_else_cond): Likewise.
4011 (known_cond): Likewise.
4012 (simplify_comparison): Likewise.
4014 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4016 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4017 sizeof (int) is larger than sizeof(__word__).
4019 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4021 * cppinit.c (do_includes): Fix typo.
4023 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4025 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4026 in S_REGS does not occur because not all sources are possible
4027 when a S_REGS is a destination (sometimes needs a clobber).
4028 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4029 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4030 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4031 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4032 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4033 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4034 (lshrdi_const1, lshrsi3_const16): Likewise.
4035 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4036 (*movhi_68hc12, *movqi_68hc12): Likewise.
4037 (movstrictqi): Make sure reloading in D_REGS as a destination
4040 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4042 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4044 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4046 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4047 -D, -U and -A, and don't initialize the builtins.
4048 (do_includes): Error if -include or -imacros with -fpreprocessed.
4049 * cppmain.c (cb_define, cb_undef): Unconditionally process
4051 * tradcpp.c (main): Fix typo.
4053 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4055 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4056 (read_name_map): Use IS_ABSOLUTE_PATH.
4057 * tradcpp.c (get_filename): Likewise.
4059 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4061 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4062 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4063 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4064 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4065 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4066 (cmphi_z_used): Don't use '@' for the output.
4067 (tstqi_z_used): Likewise.
4068 (cmpqi_z_used): Likewise.
4069 (one_cmplsi2): Likewise.
4071 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4073 * config/sh/sh.c (barrier_align): Recognize branch around far
4074 branch and redundant insn.
4076 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4078 * invoke.texi: Restore documentation of the drivers' switches -MD
4081 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4083 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4085 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4086 check-objc//%): Support parallel testing of multilibs.
4087 (TESTSUITEDIR): Set to testsuite by default, but override for
4089 (check-gcc, check-g++, check-g77, check-objc): Enter
4092 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4094 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4095 * sched-deps.c (deps_may_trap_p): Likewise.
4096 * basic-block.h: Remove a comment.
4097 * flow.c (PROP_POSTRELOAD): Remove.
4098 (update_life_info): Don't add it to prop_flags.
4099 (mark_set_1): Lose the code that was enabled by it.
4101 2001-01-11 Michael Hayes <mhayes@redhat.com>
4103 * flow.c (flow_call_edges_add): New.
4104 * basic_block.h (flow_call_edges_add): New.
4106 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4108 * reload1.c (move2add_note_store): Update reg_set_luid even if
4109 base reg remains the same.
4111 2001-01-10 Nick Clifton <nickc@redhat.com>
4113 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4114 machine_function structure to zero.
4115 Add prototypes for machine_status functions.
4117 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4119 * c-common.h (CTI_VOID_LIST): Remove.
4120 (void_list_node): Likewise.
4121 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4122 (void_list_node): New macro.
4123 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4124 * config/i386/i386.c (ix86_init_builtins): Likewise.
4125 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4127 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4129 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4130 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4132 * tradcpp.c: Include mkdeps.h.
4133 (deps, print_deps_phony_targets, deps_append, output_deps,
4134 init_dependency_output, output_deps): New.
4135 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4136 deps_output): Delete.
4137 (print_deps_missing_files): Rename deps_missing_files.
4138 (inhibit_output): Make global.
4139 (main): Delete inhibit_output, deps_stream, deps_target.
4140 Use mkdeps functionality in the same way as cpplib. Remove
4141 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4142 -M and -MM. Remove old handling of deps via deps_out, and
4143 old reading of environment variables.
4144 (get_filename): Update to use deps_add_dep.
4146 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4148 * output.h (make_function_rtl): Remove prototype.
4149 (make_decl_rtl): Likewise.
4150 * varasm.c (make_function_rtl): Remove.
4151 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4152 than from a third parameter.
4153 * tree.h (make_decl_rtl): Remove last parameter.
4154 * c-decl.c (builtin_function): Remove last argument in call to
4155 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4156 (start_function): Likewise.
4157 * except.c (call_get_eh_context): Likewise.
4158 * expr.c (emit_block_move): Likewise.
4159 (clear_storage): Likewise.
4160 * profile.c (output_func_start_profiler): Likewise.
4161 * toplev.c (rest_of_decl_compilation): Likewise.
4162 * objc/objc-act.c (create_builtin_decl): Likewise.
4163 (synth_module_prologue): Likewise.
4164 (generate_static_reference): Likewise.
4165 (build_selector_reference_decl): Likewise.
4166 (build_class_reference_decl): Likewise.
4167 (build_objc_string_decl): Likewise.
4168 (build_protocol_reference): Likewise.
4170 2001-01-10 Richard Henderson <rth@redhat.com>
4172 * hwint.h: Revert yesterday's change.
4174 2001-01-10 Nick Clifton <nickc@redhat.com>
4176 * function.h (save_machine_status): Delete.
4177 (restore_machine_status): Delete.
4178 Amend comment describing {init|mark|free}_machine_status.
4180 * function.c (save_machine_status): Delete.
4181 (restore_machine_status): Delete.
4182 Amend comment describing {init|mark|free}_machine_status.
4183 (push_function_context_to): Remove invocation of
4184 save_machine_status.
4185 (pop_function_context_from): Remove invocation of
4186 restore_machine_status.
4188 * emit-rtl.c (init_emit_once): Amend comment describing
4189 {init|mark|free}_machine_status.
4191 * tm.texi (Per-Function Data): New node. Describe the
4192 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4195 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4197 * cppinit.c (OPT_g): Remove.
4198 (cpp_handle_option): Update for removed -g3.
4199 (print_help): Update.
4200 * cpplib.h (struct cpp_options): Remove debug_output.
4201 * cppmain.c (setup_callbacks, cb_define): Update.
4202 * gcc.c (cpp_options): Translate -g3 to -dD.
4204 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4206 * config/i960/i960.md: Change modifier to + on the zero_extract
4207 pattern after the (rotate -2 reg) canonicalization pattern.
4209 2001-01-10 Richard Henderson <rth@redhat.com>
4211 * config/alpha/alpha.c (alpha_free_machine_status): New.
4212 (override_options): Install it.
4213 (alpha_mark_machine_status): Verify machine non-null.
4214 * config/i386/i386.c (ix86_free_machine_status): New.
4215 (override_options): Install it.
4216 (ix86_init_machine_status): Use xcalloc.
4217 (ix86_mark_machine_status): Verify machine non-null.
4218 * config/ia64/ia64.c (ia64_free_machine_status): New.
4219 (ia64_override_options): Install it.
4220 (ia64_mark_machine_status): Verify machine non-null.
4222 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4224 * function.c (instantiate_virtual_regs): Instantiate virtual
4225 registers found in CALL_INSN_FUNCTION_USAGE.
4227 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4229 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4230 equivalent to -ansi in disabling -Di386.
4232 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4234 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4236 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4238 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4240 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4242 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4244 * invoke.texi: Document that -fcond-mismatch isn't supported for
4247 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4249 * gcc.texi: Define macro gcctabopt.
4250 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4251 @command, @env and @option in some places where appropriate. Use
4252 @gcctabopt where appropriate. Put URLs and email addresses inside
4255 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4257 * gcc.c (cpp_options): Set MD file name from output
4258 filename, if specified.
4259 (suffix_subst): New static variable.
4260 (do_spec): Clear it.
4261 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4263 (give_switch): Handle suffix_subst.
4265 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4267 * invoke.texi: Fix another typo.
4269 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4271 * invoke.texi: Fix typo.
4273 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4275 * c-lang.c (lang_hooks): Update.
4276 (lang_decode_option): Remove.
4277 (lang_init_options): Rename c_init_options.
4278 * toplev.c (main): Use lang_hooks for lang_init_options
4279 and lang_decode_option.
4280 * toplev.h (lang_hooks): Add 2 new hooks.
4281 * tree.h: Remove lang_init_options and lang_decode_option.
4282 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4283 * cp/decl2.c: Similarly.
4284 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4285 (lang_hooks): Update.
4286 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4288 (lang_init_options): Rename ffe_init_options.
4289 (lang_hooks): Update.
4290 (lang_decode_option): Remove.
4291 * java/lang.c (lang_init_options): Rename java_init_options.
4292 (lang_decode_option): Rename java_decode_option.
4293 (lang_hooks): Update.
4294 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4295 (lang_decode_option): Rename objc_decode_option.
4296 (lang_hooks): Update.
4298 2001-01-09 Nick Clifton <nickc@redhat.com>
4300 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4301 (d30v_return_addr_rtx): Delete.
4302 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4303 cfun->machine structure.
4304 (struct machine_function): Move to d30v.h
4305 (d30v_save_machine_status): Delete.
4306 (d30v_restore_machine_status): Delete.
4307 (d30v_init_machine_status): New Function.
4308 (d30v_mark_machine_status): New Function.
4309 (d30v_free_machine_status): New Function.
4310 (d30v_init_expanders): Use new functions.
4311 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4312 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4313 d30v_return_addr_rtx.
4315 * config/d30v/d30v.h (struct_machine): Move here.
4316 Add eh_epilogue_sp_ofs field.
4318 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4319 field in cfun->machine structure.
4321 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4323 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4324 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4325 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4327 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4329 * objc/lang-options.h: Remove bogus reference to
4332 2001-01-09 Kazu Hirata <kazu@hxi.com>
4334 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4337 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4339 * reload.c (find_reloads_address): Check for eliminable registers
4340 when substituting a constant expression for a pseudo.
4342 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4344 * c-common.c (enum format_type): Add format_type_error.
4345 (decode_format_type): New function.
4346 (decl_attributes): Use it.
4347 (format_kind_info): Adjust comment.
4349 2001-01-09 David O'Brien <obrien@BSDi.com>
4351 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4352 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4354 * config/i386/gnu.h: Don't include required platform specific .h files,
4355 tm.h will do it instead.
4356 * config/i386/i386elf.h: Likewise.
4357 * config/i386/linux.h: Likewise.
4358 * config/i386/moss.h: Likewise.
4359 * config/mips/gnu.h: Likewise.
4361 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4363 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4364 (rs6000-ibm-aix3.[01]*): Likewise.
4365 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4366 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4367 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4368 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4369 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4370 (powerpc-*-eabiaix*): Likewise.
4371 (powerpc-*-eabisim*): Likewise.
4372 (powerpc-*-elf*): Likewise.
4373 (powerpc-*-eabi*): Likewise.
4374 (powerpc-*-rtems*): Likewise.
4375 (powerpc-*-linux*libc1): Likewise.
4376 (powerpc-*-linux*): Likewise.
4377 (powerpc-wrs-vxworks*): Likewise.
4378 (powerpcle-wrs-vxworks*): Likewise.
4379 (powerpcle-*-sysv*): Likewise.
4380 (powerpcle-*-elf*): Likewise.
4381 (powerpcle-*-eabisim*): Likewise.
4382 (powerpcle-*-eabi*): Likewise.
4383 (powerpcle-*-solaris2*): Likewise.
4384 * config/rs6000/aix31.h: Delete includes.
4385 * config/rs6000/aix3newas.h: Likewise.
4386 * config/rs6000/aix41.h: Likewise.
4387 * config/rs6000/aix43.h: Likewise.
4388 * config/rs6000/beos.h: Likewise.
4389 * config/rs6000/rtems.h: Likewise.
4390 * config/rs6000/sysv4.h: Likewise.
4392 2001-01-09 Kazu Hirata <kazu@hxi.com>
4394 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4395 Change an argument mode of machine_mode to shift_mode of
4396 shift_mode. Remove an extra error check.
4397 (emit_a_shift): Adopt to the new calling prototype of
4399 (function_prologue): Fix code for a monitor
4400 function. Support H8/S.
4401 (function_epilogue): Do not output pop for a monitor function.
4403 2001-01-09 Nick Clifton <nickc@redhat.com>
4405 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4406 (setup_incoming_varargs): Use sysv_varargs_p field of the
4407 cfun->machine structure.
4408 (struct machine_function): Move to rs6000.h
4409 (rs6000_save_machine_status): Delete.
4410 (rs6000_restore_machine_status): Delete.
4411 (rs6000_init_machine_status): New Function.
4412 (rs6000_free_machine_status): New Function.
4413 (rs6000_init_expanders): Use new functions.
4415 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4417 (struct machine_function): Move here.
4419 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4420 sysv_varargs_p field of the cfun->machine structure.
4422 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4424 (rs6000_restore_machine_status): Remove prototype.
4426 2001-01-09 Richard Henderson <rth@redhat.com>
4428 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4429 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4430 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4431 (sched_analyze_2, sched_analyze_insn): Likewise.
4432 (sched_analyze, init_deps): Likewise.
4433 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4434 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4435 (compute_block_backward_dependences): Update propagate_deps call.
4437 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4439 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4441 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4443 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4444 (cpp_handle_option): Handle them.
4445 (cpp_post_options): Ensure one of -M or -MM is specified with
4446 any other -M? option.
4447 (init_dependency_output): Suppress output with -MG.
4449 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4452 * invoke.texi: Update.
4454 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4456 * sh.md (reload_outsf): Generate recognizable patterns for
4459 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4461 * c-lang.c (lang_hooks): Update.
4462 (lang_init): Rename c_init.
4463 (lang_finish): Remove.
4464 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4466 * toplev.h (lang_hooks): Add init () and finish ().
4467 * tree.h (lang_init, lang_finish): Remove.
4468 * cp/tree.h (lang_init, lang_finish): Remove.
4469 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4470 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4472 (lang_init, lang_finish): Remove.
4473 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4474 (lang_hooks): Update.
4475 * java/lang.c (lang_init): Rename java_init.
4476 (lang_finish): Remove.
4477 (lang_hooks): Update.
4478 * objc/objc-act.c (lang_init): Rename objc_init.
4479 (lang_finish): Remove.
4480 (lang_hoooks): Update.
4482 20001-01-09 Graham Stott <grahams@redhat.com>
4484 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4485 after `ptr` is initialised.
4487 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4489 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4490 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4491 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4492 stack adjusts, instead of r3.
4494 2001-01-09 Michael Hayes <mhayes@redhat.com>
4496 * flow.c (flow_loop_scan): Break out of ...
4497 (flow_loops_find) ... here.
4498 * basic-block.h (flow_loop_scan): New.
4499 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4500 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4502 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4504 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4506 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4507 realloc()ing macro_buffer.
4509 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4510 if it's wider than long and the target's long is wider than the
4513 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4515 Remove support for using UWIN as a host machine.
4516 * configure.in: Issue an error message.
4517 * configure: Regenerated.
4518 * config.gcc: Remove xm_* UWIN configury.
4519 * config/i386/xm-uwin.h: Remove.
4521 2001-01-08 Nick Clifton <nickc@redhat.com>
4523 * config/v850/v850.c (ra_rtx): Delete.
4524 (v850_save_machine_status): Delete.
4525 (v850_restore_machine_status): Delete.
4526 (v850_init_machine_status): New function.
4527 (v850_mark_machine_status): New function.
4528 (v850_free_machine_status): New function.
4529 (v850_return_addr): Use ra_rtx field in machine structure.
4530 (v850_init_expanders): Use new functions.
4532 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4533 * config/v850/v850.c: Change arguments to v850_output+* functions
4534 to take a const char *, to avoid compile time warning.
4535 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4536 (USER_LABEL_PREFIX): Redefine.
4538 2000-01-08 Jim Wilson <wilson@redhat.com>
4540 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4541 1 to unsigned HOST_WIDE_INT before left shift.
4543 2001-01-08 Nick Clifton <nickc@redhat.com>
4545 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4546 the machine structure has been allocated.
4547 (arm_free_machine_status): New function: Free the machine
4548 specific function structure.
4550 2001-01-08 Richard Henderson <rth@redhat.com>
4552 * jump.c (simplejump_p): Revert last change.
4554 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4556 * cppinit.c (init): Rename init_library.
4557 (cpp_create_reader): Update.
4558 * gcc.c (cpp_options): If -o given, use it as the target of
4561 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4563 * arm.c (arm_arch5e): New variable.
4564 (all_cores): XScale is a 5TE device.
4565 (arm_override_options): Set arm_arch5e.
4566 (arm_init_builtins): __builtin_prefetch is in arch5e.
4567 * arm.h (arm_arch5e): Declare it.
4569 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4571 * arm.md (define_constants): Add defines for UNSPEC and
4572 UNSPEC_VOLATILE insns. Update all users.
4573 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4574 * arm.c (multi_register_push, note_invalid_constants)
4575 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4576 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4577 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4579 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4581 * jump.c (jump_optimize_1): Use reversed_comparison_code
4582 instead of can_reverse_comparison_p.
4583 (jump_back_p): Likewise.
4584 (invert_exp_1): Likewise.
4585 (thread_jumps): Likewise.
4586 * simplify-rtx.c (simplify_unary_operation): Likewise.
4587 (simplify_ternary_operation): Likewise.
4588 * cse.c (find_comparison_args): Convert to use
4589 can_reverse_comparison_p.
4590 (record_jump_equiv): Likewise.
4592 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4594 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4595 (EPILOGUE_USES): Define.
4596 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4597 automatically stack the LR if it isn't live.
4599 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4601 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4604 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4606 * ggc-page.c (max_alignment): New structure.
4607 (MAX_ALIGNMENT): New macro.
4608 (init_ggc): Use it to round up the sizes in the
4609 extra_order_size_table.
4611 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4613 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4616 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4618 * builtins.def (BUILT_IN_FPRINTF): New entry.
4620 * c-common.c (c_expand_builtin_fprintf): New function.
4621 (init_function_format_info): Handle __builtin_fprintf.
4622 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4623 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4625 * c-decl.c (duplicate_decls): Adjust comment.
4627 * extend.texi (fprintf): Document new builtin.
4629 2001-01-07 Richard Henderson <rth@redhat.com>
4631 * jump.c (simplejump_p): Recognize any single_set jump
4634 2001-01-07 Richard Henderson <rth@redhat.com>
4636 * configure.in (slibdir): Accept an --with-slibdir option.
4637 Use "test" not "[" in configure. Default to $(libdir).
4639 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4641 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4642 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4643 (SHLIB_LINK): Create links for the soname.
4644 * config/mips/t-iris6: Likewise.
4645 * config/sparc/t-slibgcc: Likewise.
4646 * config/sparc/t-slibgcc-sld: Likewise.
4648 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4650 * config/i386/i386.c (constant_call_address_operand): Accept
4651 (const (plus (symbol_ref) (const_int))).
4652 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4653 constant_call_address_operand.
4655 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4657 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4658 and LONG_LONG_TYPE_SIZE > 32.
4660 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4662 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4663 the previous change.
4665 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4667 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4669 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4670 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4671 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4674 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4676 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4678 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4680 * c-lang.c (c_post_options): Call cpp_post_options.
4681 * objc/objc-act.c (objc_post_options): Similarly.
4682 * cppmain.c (main): Similarly.
4683 * fix-header.c (read_scan_file): Similarly.
4684 * cppinit.c (cpp_start_read): Move option consistency checks
4685 to cpp_post_options. Don't call init_dependency_output.
4686 If needed, add default target and main file dependency.
4687 (OPT_MD, OPT_MMD): Remove.
4689 (cpp_handle_option): Update for OPT_* changes.
4690 (cpp_post_options): New.
4691 (init_dependency_output): Command line -MF overrides environment
4692 variables. Don't set default target etc. Suppress output
4693 if dependencies are going to stdout.
4694 (print_help): Update.
4695 * cpplib.h (cpp_post_options): New.
4696 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4698 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4700 * jump.c (comparison_dominates_p): Support unordered compares.
4702 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4704 * simplify-rtx.c (simplify_relational_operation): Always simplify
4705 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4708 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4710 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4711 (nonzero_bits): Likewise.
4712 (simplify_comparison): Likewise.
4713 (num_sign_bit_copies): Likewise; return more sane value depending
4714 on STORE_FLAG_VALUE.
4715 (known_cond): Do not assume EQ to be always true for equivalent
4718 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4720 * cse.c (fold_rtx): Handle unordered comparisons.
4722 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4724 * rtlanal.c (set_of_1): New static function.
4725 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4726 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4727 reg_set_last_last_regno): Remove.
4728 (set_of): New global function.
4729 (set_of_data): New structure.
4730 (reg_set_p, reg_set_last): Revamp for set_of.
4731 * rtl.h (set_of): New.
4733 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4735 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4736 * extend.texi: Document _Exit builtin.
4738 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4740 * (initialize, initialize_builtins,
4741 initialize_dependency_output, initialize_standard_includes):
4742 Rename s/initialize/init. Update.
4743 (init_dependency_output): Move to after
4744 cpp_handle_options, the correct location temporally at least.
4745 (opt_comp): Move next to init (), its caller. Fix prototype.
4746 (init): Make "initialized" local scope.
4747 (cpp_create_reader): Always call init ().
4748 (cpp_start_read): Update.
4749 (output_deps): New function, broken out of cpp_finish.
4750 (cpp_finish): Break out output_deps.
4752 2001-01-07 Richard Henderson <rth@redhat.com>
4754 * collect2.c (COFF specific stuff): Revert 12-06 patch
4755 to prototype system functions.
4757 2001-01-07 Michael Hayes <mhayes@redhat.com>
4759 * hard-reg-set.h: Add multiple include guard.
4760 * basic-block.h (struct loop): Add `sink' field.
4761 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4762 (emit_iv_add_mult): Delete.
4763 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4764 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4765 (unroll_loop): Remove end_insert_before argument.
4766 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4767 (maybe_eliminate_biv_1): Likewise.
4768 (emit_iv_add_mult): Delete.
4769 (gen_add_mult, loop_regs_update): New.
4770 (loop_insn_emit_after, loop_insn_emit_before): New.
4771 (loop_insn_sink, loop_insn_sink_or_swim): New.
4772 (emit_iv_add_mult): Delete.
4773 (scan_loop): Set loop->sink.
4774 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4775 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4776 (maybe_eliminate_biv_1): Likewise.
4777 (maybe_eliminate_biv_1): Add basic block argument.
4778 * unroll.c (unroll_loop): Remove end_insert_before argument.
4779 (find_splittable_regs): Likewise.
4780 (find_splittable_regs): Use loop_insn_sink and its ilk.
4781 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4783 2001-01-07 Michael Hayes <mhayes@redhat.com>
4785 * loop.h (loop_insn_hoist): New prototype.
4786 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4787 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4788 (check_dbra_loop, load_mems): Likewise.
4789 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4790 (find_splittable_givs): Likewise.
4792 2001-01-07 Michael Hayes <mhayes@redhat.com>
4794 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4796 2001-01-07 Richard Henderson <rth@redhat.com>
4798 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4800 2001-01-07 Richard Henderson <rth@redhat.com>
4802 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4803 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4804 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4805 variant that handles a shared libgcc.
4806 (process_command): Always validate -{static,shared}-libgcc.
4807 (do_spec_1): New 'M' case.
4808 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4810 2001-01-07 Richard Henderson <rth@redhat.com>
4812 * Makefile.in (slibdir): New variable.
4813 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4814 (installdirs): Create slibdir.
4815 (install-libgcc, install-multilib): Defer to libgcc.mk.
4816 * configure.in (slibdir): Substitute.
4817 * mklibgcc.in (install): New target.
4819 * config/t-linux (SHLIB_LINK): Create links for the soname.
4820 (SHLIB_INSTALL): New.
4821 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4822 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4823 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4824 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4825 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4827 2001-01-07 Richard Henderson <rth@redhat.com>
4829 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4830 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4831 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4833 2001-01-07 Michael Hayes <mhayes@redhat.com>
4835 * loop.c (count_loop_regs_set): Delete.
4836 (load_mems_and_recount_loop_regs_set): Delete.
4837 (loop_regs_scan): Merge common code from count_loop_regs_set,
4838 scan_loop, and load_mems_and_recount_loop_regs_set.
4839 (scan_loop): Call load_mems directly and loop_regs_scan
4840 again if new registers created.
4842 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4844 * toplev.c (main): Call the front-end specific post_options
4845 hook if one is given.
4846 * toplev.h (struct_lang_hooks, lang_hooks): New.
4847 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4848 for the C front end.
4849 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4850 lang_hooks for the C++ front end.
4851 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4852 lang_hooks for the ObjC front end.
4853 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4854 * java/lang.c (lang_hooks): Hooks for the Java front end.
4856 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4858 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4859 for verbose DWARF[2] debugging.
4860 (cb_define, cb_undef): The new callbacks.
4861 * toplev.h (debug_define, debug_undef): Make const correct.
4862 * toplev.c (debug_define, debug_undef): Similarly. Do not
4863 perform the verbosity tests here anymore.
4865 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4867 * reload.c (subst_reloads): Take INSN argument. When
4868 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4869 * reload.h (subst_reloads): Adjust prototype.
4870 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4871 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4872 present in JUMP_INSNs and copy them to JUMP_LABEL.
4873 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4874 JUMP_INSNs and insns with REG_LABELs that are followed by
4875 JUMP_INSNs with the same REG_LABEL.
4876 * sched-rgn.c (is_cfg_nonregular): Likewise.
4877 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4879 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4881 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4883 2001-01-06 Richard Henderson <rth@redhat.com>
4885 * loop.c (scan_loop): Use xcalloc for the regs array.
4886 (load_mems_and_recount_loop_regs_set): Zero the new memory
4887 received from xrealloc.
4889 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4891 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4893 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4895 * integrate.c (copy_rtx_and_substitute): When copying
4896 an ignored return value, strip REG_FUNCTION_VALUE_P.
4898 2001-01-06 Michael Hayes <mhayes@redhat.com>
4900 * loop.c (debug_biv, debug_giv): New.
4901 (loop_biv_dump): Break out from ...
4902 (record_biv): ... here.
4903 (loop_giv_dump): Break out from ...
4904 (record_giv): ... here.
4905 (loop_bivs_check): Use print_simple_rtl.
4906 * unroll.c (loop_iterations): Use print_simple_rtl.
4908 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4910 * pa.md (return, return_internal): Modify patterns to prevent regrename
4911 mucking with the return pointer.
4913 2001-01-05 Richard Henderson <rth@redhat.com>
4915 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4917 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4919 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4920 version supplied by Matteo Frigo.
4922 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4924 * cpp.texi: Update for -MQ.
4925 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4926 (cpp_cleanup): Always free pfile->deps.
4927 (initialize_dependency_output): Don't create pfile->deps.
4928 (cpp_handle_option): Similarly.
4930 * gcc.c (cpp_options): Handle -MQ.
4931 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4932 * mkdeps.c (base_name): Remove.
4933 (deps_init): Don't allocate vector space until it's needed.
4934 (deps_free): Only free vectors if allocated.
4935 (deps_add_target, deps_add_dep): Update for initial allocation.
4936 (deps_add_default_target): Don't strip to the base_name.
4938 2001-01-05 DJ Delorie <dj@redhat.com>
4940 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4941 (INIT_EXPANDERS): Define.
4943 * config/v850/v850.c (struct machine_function): Define.
4944 (v850_save_machine_status): New function.
4945 (v850_restore_machine_status): New function.
4946 (v850_return_addr): New function.
4947 (v850_init_expanders): New function.
4949 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4950 and v850_init_expanders.
4952 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4954 * cpplib.h (struct cpp_reader): Add help_only field.
4955 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4956 (cpp_handle_option): Set pfile->help_only if we see -h,
4957 --help, -target-help, or --version. Print version string but
4958 do not set help_only if we see -v or -version. Make text
4959 printed by -v match that printed by (-)-version.
4961 * cppmain.c (main): Exit after option parsing if
4962 pfile->help_only is true.
4964 * toplev.c (independent_decode_option): Call print_version,
4965 then exit, if we see --version (but not -version).
4966 (print_version): Split lengthy message into two lines.
4968 2001-01-05 Nick Clifton <nickc@redhat.com>
4970 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4971 temporary string for initialisation before calling ggc_alloc_string.
4973 2001-01-06 Michael Hayes <mhayes@redhat.com>
4975 * rtl.h (print_simple_rtl): New.
4976 * print-rtl.c (print_simple_rtl): New.
4978 (print_rtx): Disable printing of flags and modes, etc.,
4979 if `flag_simple` nonzero.
4981 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4983 * function.c (fixup_var_refs): Use push_to_full_sequence where
4986 2001-01-05 Michael Meissner <meissner@redhat.com>
4988 * flags.h (flag_reorder_blocks): Add declaration.
4989 (flag_rename_block): Ditto.
4991 2001-01-05 DJ Delorie <dj@redhat.com>
4993 * function.c (reorder_blocks): Make sure the flags are all reset
4994 before using them to mark blocks, else a second invocation will
4995 corrupt the block chain.
4996 (reorder_blocks_0): New, resets the flags.
4998 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5000 * cse.c (find_comparison_args): Stop if the argument is known to
5003 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5005 * config/sh/sh.md (movdf): When splitting load into pair of
5006 registers, don't clobber the register used in the address too
5009 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5011 * varasm.c (mark_constant_pool): Improve initial comments.
5012 (mark_constants): Move marking of constants to mark_constant.
5013 (mark_constant): New function to recursively mark all constants
5014 referred to by a constant.
5016 2001-01-05 Catherine Moore <clm@redhat.com>
5018 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5020 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5022 * cp/lang-options.h: Bring comment in line with reality.
5023 * f/lang-options.h: Likewise.
5024 * java/lang-options.h: Likewise.
5025 * objc/lang-options.h: Likewise.
5026 * ch/lang-options.h: Likewise.
5027 * f/g77.texi: And update the manual.
5029 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5030 Denis Chertykov <denisc@overta.ru>
5032 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5033 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5034 * config/avr/avr.md (all peepholes that request a scratch register):
5035 Call it, FAIL the peephole if not safe (in interrupt functions).
5037 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5039 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5041 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5043 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5045 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5046 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5047 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5048 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5049 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5051 * extend.texi: Document these builtins.
5053 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5055 * c-common.c (lang_get_alias_set): Say we know nothing of
5056 VECTOR_TYPE aliasing.
5058 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5060 2001-01-05 Bruce Korb <bkorb@gnu.org>
5062 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5063 their x* equivalent versions for atexit-less systems
5064 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5065 systems (or any other system any more).
5067 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5069 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5070 output operands. Use arm_hard_register_operand for operand 4.
5071 (stmsi_postinc): Similarly.
5072 (ldmsi): Use arm_hard_register_operand for opernand 2.
5074 * arm.c (arm_hard_register_operand): New function.
5075 * arm-protos.h (arm_hard_register_operand): Prototype it.
5077 * arm.h (HARD_REGNO_RENAME_OK): Define.
5079 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5081 * simplify-rtx.c (cfc_args): add "unordered" field.
5082 (check_fold_consts): Set unordered field.
5083 (simplify_relational_operation): Simplify the unordered
5086 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5089 * emit-rtl.c (try_split): Fix code to mark labels.
5090 * jump.c (mark_jump_label): Make global.
5091 * rtl.h (mark_jump_label): Declare.
5093 * predict.c (estimate_probability): Handle unordred comparisons.
5095 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5097 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5098 * cppinit.c (initialize_dependency_output): Update.
5099 (cpp_finish): Output dummy targets for -MP.
5101 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5102 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5103 * gcc.c (cpp_options): Update to handle -MP.
5104 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5105 to quote only the default target.
5106 (deps_phony_targets): Insert a preceding newline. Rename from
5107 deps_dummy_targets for consistency.
5110 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5112 * calls.c (emit_library_call_value_1): Support
5113 INIT_CUMULATIVE_LIBCALL_ARGS.
5114 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5116 2001-01-04 Richard Henderson <rth@redhat.com>
5118 * c-decl.c (finish_struct): Detect flexible array members
5119 used in an inappropriate context.
5120 * c-typeck.c (really_start_incremental_init): Special case
5121 constructor_max_index for zero length arrays.
5122 (pop_init_level): Allow initialization of flexible array
5123 members. Deprecate initialization of zero length arrays.
5124 Don't issue missing initializer warning for flexible array
5125 members or zero length arrays.
5126 (process_init_element): Don't dereference null DECL_SIZE.
5127 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5128 Don't abort for empty constructors. Use size_binop
5129 (output_constructor): Add commentary regarding zero length
5130 array futures. Abort if we try to initialize an array of
5131 unspecified length with a non-empty constructor in the middle
5134 * extend.texi (Zero Length): Update and clarify documentation
5135 on static initialization.
5137 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5139 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5140 with more than 32767 words of local storage.
5142 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5144 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5145 for 'abs', 'labs', and 'fabs'.
5146 (c4x_expand_builtin): Likewise.
5147 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5149 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5151 * config/sh/sh.md (prget, prset): New insn types.
5152 (return delay slot): Dont' allow prset.
5153 (call, sfunc delay slot): Don't allow prget.
5154 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5155 for prset and prget.
5157 2001-01-05 Michael Hayes <mhayes@redhat.com>
5159 * loop.h (struct loop_reg): New.
5160 (struct loop_regs): Change to use array of `struct loop_reg'.
5161 * loop.c: Replace assortment of varrays with single regs array.
5162 (count_one_set): Delete may_not_move array argument
5163 and use regs array instead. All caller's changed.
5164 (count_loop_regs_set): Delete may_not_move and single_usage
5165 arguments and use regs array instead. All caller's changed.
5166 (find_single_use_in_loop): Replace usage array argument with pointer
5167 to regs structure. All caller's changed.
5168 (loop_optimize): Delete `moved_once' array.
5170 2001-01-05 Michael Hayes <mhayes@redhat.com>
5172 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5173 Use it instead of loop_info->has_call for scanning loop mems.
5174 (check_dbra_loop): Replace loop_info->has_call test with
5175 loop_info->has_nonconst_call.
5177 2000-01-04 Matthew Hiller <hiller@redhat.com>
5179 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5182 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5184 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5185 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5187 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5189 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5190 (flag_short_double, flag_short_wchar): Define.
5191 (c_common_nodes_and_builtins): Create many tree nodes shared
5192 between C and C++ here instead of in cp/decl.c and ...
5193 * c-decl.c (init_decl_processing): ... here.
5194 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5195 (flag_short_double, flag_short_wchar): Don't define.
5196 (record_builtin_type): New function.
5197 (build_void_list_node): New function.
5198 * c-common.h (flag_short_double, flag_short_wchar,
5199 record_builtin_type, build_void_list_node): Declare.
5201 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5203 * integrate.c (expand_inline_function): Don't put a virtual
5204 register into the reg map.
5206 * function.c (fixup_var_refs_1): If force_operand didn't put
5207 the address into the target, move it there.
5209 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5211 Special-case tree_decl/tree_list allocations.
5212 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5213 (OBJECT_SIZE): New macro.
5214 (NUM_EXTRA_ORDER): Likewise.
5215 (extra_order_size_table): New variable.
5216 (NUM_ORDERS): New macro.
5217 (objects_per_page_table): New variable.
5218 (object_size_table): New variable.
5219 (G.pages): Use NUM_ORDERS to bound the array.
5220 (G.page_tails): Likewise.
5221 (DIV_ROUND_UP): Remove.
5222 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5223 (alloc_page): Use OBJECT_SIZE.
5224 (size_lookup): Don't make it const.
5225 (ggc_alloc): Use OBJECT_SIZE.
5226 (ggc_set_mark): Likewise.
5227 (ggc_get_size): Likewise.
5228 (init_ggc): Set up the object_size_table, objects_per_page_table,
5229 and adjust size_lookup.
5230 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5231 (ggc_pop_context): Use NUM_ORDERS.
5232 (clear_marks): Likewise.
5233 (sweep_pages): Likewise.
5234 (poison_pages): Likewise.
5235 (ggc_print_statistics): Use OBJECT_SIZE.
5237 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5239 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5240 Only call array_size_for_constructor if last field and array type
5241 with no upper bound.
5243 2001-01-04 Philip Blundell <philb@gnu.org>
5245 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5246 from bit 31 downwards, if this requires no more insns.
5247 (count_insns_for_constant): New helper function for above.
5249 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5251 * gencodes.c (output_predicate_decls): Remove empty initializer.
5253 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5255 * tree.c (copy_node): Remove documentation about obstacks.
5256 (buidl1): Check that nobody tries to build 2-argument nodes this
5259 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5261 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5264 * gencodes.c (output_predicate_decls): Fill empty initializer
5267 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5269 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5270 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5272 (do_include): Handle missing headers like cpp0.
5273 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5274 paths with first include pathname. Don't strcat to uninitialized
5277 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5279 * regrename.c (regrename_optimize): Don't rename from frame pointer
5280 if frame_pointer_needed.
5281 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5282 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5283 (ia64_reorg): Use it instead of scheduling if ! optimize.
5284 (errata_emit_nops): Properly call asm_noperands.
5285 (ia64_sched_reorder): Finish cycle if we see an asm.
5286 (ia64_variable_issue): Clear scheduling state after asms.
5288 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5290 * cpp.texi: Update for -MT.
5291 * cppinit.c (initialize_dependency_output): Add a default
5292 target if none has been given already.
5293 (no_tgt, OPT_MT): New.
5294 (cpp_handle_option): Handle -MT. Update -M etc.
5295 * cpplib.h (struct cpp_options): Remove deps_target.
5296 * gcc.c (cpp_options): Handle -MT.
5297 * mkdeps.c (struct deps): Move from mkdeps.h.
5298 (deps_calc_target): Rename deps_add_default_target. Add a
5299 default target if none has been specified already.
5300 * mkdeps.h (struct deps): Move to mkdeps.c.
5301 (deps_calc_target): Rename deps_add_default_target.
5303 2000-01-03 Richard Henderson <rth@redhat.com>
5305 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5307 * c-typeck.c (push_init_level): Move checks for flexible array
5308 members and zero length arrays ...
5309 (pop_init_level): ... here. Silently discard empty initializations.
5311 * varasm.c (output_constructor): Update for sizeof change to
5314 * extend.texi (Zero Length): Clarify semantics.
5316 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5318 * configure.in (tm.h): Include isns-codes.h last.
5319 * configure: Rebuilt.
5321 2001-01-03 Richard Henderson <rth@redhat.com>
5323 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5324 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5326 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5328 * tradcpp.c (main): Make sure finclude() is called with a valid
5329 indepth value while handling -include.
5331 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5333 * gencodes.c (output_predicate_decls): New function.
5335 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5336 even if it is not the first time machmode.h is #included.
5337 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5338 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5339 * gcc.texi (Copyright): Added 2001.
5341 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5343 * c-common.c (c_common_lang_init): New function. Warn if format
5344 warning options which only have effects when used with -Wformat
5345 are used without -Wformat.
5346 * c-common.h (c_common_lang_init): Declare.
5347 * c-lang.c (lang_init): Call c_common_lang_init.
5348 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5350 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5352 * configure.in: Check for the mktemp command.
5353 * configure: Regenerate.
5354 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5355 $TEMP. Create temporary files with mktemp, if available at
5356 configure time; otherwise use set -C. Remove temporary files
5359 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5361 * configure.in: Require at least texinfo 4.0. Check for whether
5362 Pod::Man is sufficiently recent to regenerate GCC manpages.
5363 * configure: Regenerate.
5364 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5366 (GENERATED_MANPAGES): Define.
5367 (generated-manpages): New target. Depend on cpp.1 as well as
5369 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5370 configure to generated-manpages or empty) rather than on the
5371 manpages directly. Remove execute permission from installed
5372 gcov.1 as well as cpp.1.
5373 * cpp.1, gcov.1: Regenerate.
5375 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5377 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5378 tree_low_cst. Allow using cmpstrsi in more cases.
5380 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5382 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5385 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5387 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5388 * Makefile.in (HOST_CFLAGS): Mention build-make.
5390 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5392 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5395 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5397 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5400 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5403 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5404 reg_base_value and reg_known_value arrays.
5405 (init_alias_analysis): Add more cases to detect known values.
5406 * sched-deps.c (deps_may_trap_p): New function.
5407 (sched_analyze_2): Use it.
5409 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5411 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5412 don't discard an ASHIFTRT if we're shifting in a wider mode.
5414 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5416 * toplev.c (rest_of_compilation): Don't print basic block information
5417 when CFG isn't up to date.
5419 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5421 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5422 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5423 (UNALIGNED_SHORT_ASM_OP): Define.
5424 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5426 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5428 * fold-const.c (fold_convert): Fix typo.
5430 2001-01-02 Richard Henderson <rth@redhat.com>
5432 * c-common.h (ASM_INPUT_P): New.
5433 * c-parse.in (asm): Set it when needed.
5434 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5435 existance of an operand.
5437 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5439 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5440 (dwarf2out_frame_debug_expr): Likewise.
5441 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5443 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5445 * i386.c (ix86_split_to_parts): Return number of part required;
5447 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5449 (ix86_split_long_move): Use number of part returned
5450 by ix86_split_to_parts
5451 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5453 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5454 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5455 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5456 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5457 (ALIGN_MODE_128): Add TFmode.
5458 (IS_STACK_MODE): Likewise.
5459 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5460 (HARD_REGNO_OK): Support TFmodes.
5461 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5462 * i386.md (scheduler definitions): Use memory operand to determine
5463 fst/fld instructions; use mode attribute to determine real mode of
5465 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5466 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5468 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5470 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5472 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5474 * expr.c (store_constructor_field): Update ALIGN before calling
5477 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5479 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5482 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5484 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5487 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5489 * c-decl.c (start_function): Don't warn on third parameter to main.
5491 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5493 * tsystem.h: Define HAVE_DECL_GETOPT.
5495 2001-01-02 Philip Blundell <pb@futuretv.com>
5497 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5500 2001-01-02 Richard Henderson <rth@redhat.com>
5502 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5504 2001-01-02 Andreas Jaeger <aj@suse.de>
5506 * c-decl.c (c_decode_option): Remove support of
5509 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5510 (W_options): Add -Wmissing-noreturn here.
5512 * flow.c: Define lang_missing_noreturn_ok_p.
5513 (check_function_return_warnings): Use it.
5515 * c-common.h: Declare lang_missing_noreturn_ok_p.
5517 * c-lang.c (c_missing_noreturn_ok_p): New function.
5518 (lang_init): Set lang_missing_noreturn_ok_p.
5520 * invoke.texi (Warning Options): Document this.
5522 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5524 * extend.texi (C++ Extensions): New node for C++ attributes;
5525 describe init_priority and com_interface.
5526 * invoke.texi: Remove -finit-priority as it now has zero effect.
5527 * install.texi: Fix xref syntax.
5528 * md.texi: Likewise.
5530 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5532 * config.gcc (sparc64-wrs-vxworks*): New case.
5533 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5535 * config/sparc/sparc.c (sparc_override_options): Do support different
5536 pointer and architecture size.
5537 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5538 (POINTERS_EXTEND_UNSIGNED): Define.
5539 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5540 (FUNCTION_MODE): Define to be Pmode.
5541 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5543 * function.c (expand_function_end): Properly handle DECL_RESULT
5544 and copy when ptr_mode != Pmode.
5545 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5547 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5549 * c-common.c (c_common_nodes_and_builtins): Set prototype
5550 parameters for __builtin_fputs, __builtin_fputc and
5551 __builtin_fwrite. Don't declare plain fputc as a builtin.
5553 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5555 * loop.c (add_label_notes): Increment the label usage count when
5556 a note is added to an insn which refers to a CODE_LABEL.
5557 * gcse.c (add_label_notes): Likewise.
5559 2001-01-01 Andreas Jaeger <aj@suse.de>
5561 * loop.c (scan_loop): Use xmalloc to allocate movables.
5563 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5565 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5566 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5567 * reload1.c (REGISTER_MOVE_COST): Likewise.
5568 * regclass.c (REGISTER_MOVE_COST): Likewise.
5569 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5570 dimension. Adjust all users.
5571 (init_reg_sets_1): Iterate on all modes.
5572 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5573 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5574 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5575 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5576 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5577 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5578 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5579 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5580 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5581 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5582 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5583 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5584 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5585 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5586 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5587 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5588 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5589 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5590 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5591 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5592 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5593 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5594 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5595 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5596 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5597 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5598 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5600 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5602 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5603 arg VARIES_P. Call it with extra arg.
5604 (true_dependence): Likewise.
5605 * rtl.h (rtx_addr_can_trap_p): Declare.
5606 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5608 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5609 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5610 pic offset table register if it's zero. All callers changed.
5611 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5613 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5615 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5616 STRING_POOL_ADDRESS_P.
5618 * config/sparc/sparc.c (input_operand): Properly test for short op.
5620 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5621 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5622 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5623 * config/sparc/elf.h: No longer include sol2.h.
5624 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5625 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5627 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5629 2001-01-01 Michael Hayes <mhayes@redhat.com>
5631 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5632 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5633 (record_initial): Likewise.
5634 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5635 (remap_split_bivs): Likewise.
5637 2001-01-01 Michael Hayes <mhayes@redhat.com>
5639 * loop.c (loop_ivs_free): New function.
5640 (strength_reduce): Break out from...
5642 2001-01-01 Michael Hayes <mhayes@redhat.com>
5644 * loop.h (struct iv): New.
5645 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5646 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5647 'reg_biv_class' fields with 'regs' and 'n_regs'.
5648 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5649 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5650 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5652 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5654 * resource.c (mark_referenced_resources): Abort() before
5655 attempting to mark a pseudo register.
5656 (mark_set_resources): Likewise.
5658 2001-01-01 Michael Hayes <mhayes@redhat.com>
5660 * loop.h (REG_IV_CLASS): New accessor macro.
5661 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5662 * unroll.c (REG_IV_CLASS): Likewise.
5664 See ChangeLog.4 for earlier changes.