1 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
3 * configure.in (enable_shared): Support per-package shared-library
7 2001-03-07 David Edelsohn <edelsohn@gnu.org>
9 * rs6000.md (cr logic): Add original POWER mnemonic alternative
10 for crnot. Set operands[5] in splitter.
12 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
14 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
15 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
16 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
17 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
18 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
19 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
20 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
23 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
24 config/i370/xm-i370.h, config/i386/xm-dgux.h,
25 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
26 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
27 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
28 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
29 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
30 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
31 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
32 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
33 Delete unused and/or empty files.
35 * config.gcc: Define USG in xm_defines as appropriate. Define
36 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
37 macro. Remove deleted xm-* files from $xm_files variable.
39 2001-03-07 Tom Tromey <tromey@redhat.com>
42 * configure.in: Allow config-lang.in to set `lang_requires' to list
43 of other required languages.
45 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
47 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
49 (output_prologue): Use xmalloc not oballoc.
50 (output_epilog): Free a29k_first_epilogue_insn when finished.
51 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
53 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
55 * builtins.c (expand_builtin_mathfn): Check
56 flag_unsafe_math_optimizations, not flag_fast_math.
57 (expand_builtin): Likewise
58 * combine.c (combine_simplify_rtx): Likewise.
59 (simplify_if_then_else): Likewise.
60 * cse.c (fold_rtx): Likewise.
61 * flags.h: Remove flag_fast_math. Add
62 flag_unsafe_math_optimizations and flag_trapping_math.
63 * fold-const.c (negate_expr): Check
64 flag_unsafe_math_optimizations, not flag_fast_math.
65 (invert_truthvalue): Likewise.
66 (fold): Likewise. Before associating operands, check that
67 code == MULT_EXPR, not code != MULT_EXPR.
68 * ifcvt.c (noce_try_minmax): Check
69 flag_unsafe_math_optimizations, not flag_fast_math.
70 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
71 * invoke.texi: Document -funsafe-math-optimizations and
72 -fno-trapping-math. Change documentation for -ffast-math.
73 * jump.c (reversed_comparison_code_parts): Likewise.
74 (rtx_equal_for_thread_p): Likewise.
75 * optabs.c (emit_conditional_move): Likewise.
76 * simplify-rtx.c (simplify_binary_operation): Likewise.
77 (simplify_relational_operation): Likewise.
78 (simplify_ternary_operation): Likewise.
79 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
80 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
81 Add trapping-math and unsafe-math-optimizations entries to f_options.
82 (set_fast_math_flags): New, sets flags for -ffast-math.
83 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
84 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
85 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
87 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
88 (alpha_emit_conditional_move): Initialize local_fast_math to
89 flag_unsafe_math_optimizations, not flat_fast_math.
90 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
91 instead of setting flag_fast_math to 1.
92 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
94 * config/i386/i386.c (override_options): Likewise
95 * config/i386/i386.md: Likewise.
96 * config/m68k/m68k.md: Likewise.
97 * config/mips/mips.md: Likewise.
98 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
99 (rs6000_generate_compare): Likewise.
101 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
103 * Makefile.in: Set RANLIB to @RANLIB@.
106 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
108 * fixinc/inclhack.def (djgpp_wchar_h): New test.
109 * fixinc/fixincl.x: Regenerated.
111 2001-03-07 Richard Henderson <rth@redhat.com>
113 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
115 2001-03-07 Richard Henderson <rth@redhat.com>
117 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
118 of block notes and exception handling notes.
120 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
121 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
122 (compile_file): ... here.
124 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
126 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
128 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
129 config.h now. Include libiberty.h to handle alloca.
131 2001-03-06 Zack Weinberg <zackw@stanford.edu>
133 * c-parse.in (yylexname): New function, split out of _yylex.
134 (objc_rid_sans_at): New table.
135 (init_reswords): Initialize it.
136 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
137 retrieving the next token and checking it for significance as
138 an ObjC keyword or string constant.
140 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
141 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
143 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
146 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
148 * config/m68k/m68k.c (const_uint32_operand): Accept any
149 const_int on a 32-bit host.
151 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
153 * objc/objc-act.c (init_objc): Set save_lang_status,
154 restore_lang_status, and mark_lang_status.
156 2001-03-06 Krister Walfridsson <cato@df.lth.se>
158 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
160 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
162 * cppinternals.texi: Update.
164 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
166 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
167 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
168 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
169 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
170 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
171 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
172 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
173 config/i386/xm-i386.h, config/i860/xm-i860.h,
174 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
175 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
176 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
177 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
178 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
179 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
180 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
181 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
182 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
183 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
184 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
185 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
186 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
187 match the defaults provided in hwint.h.
189 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
190 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
192 * config.gcc (xm_file): Don't set to files which are deleted.
194 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
195 guard this file against these macros being undefined.
197 2001-03-06 Zack Weinberg <zackw@stanford.edu>
199 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
200 and DECL_DEFER_OUTPUT on the decl we create, before calling
201 rest_of_decl_compilation.
203 2001-03-06 Zack Weinberg <zackw@stanford.edu>
205 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
207 * configure, config.in: Regenerate.
208 * config.gcc: Remove references to deleted files.
210 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
211 genrecog.c, rtl.c: Do not use alloca anywhere.
213 * Makefile.in, build-make, system.h, config/x-interix,
214 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
215 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
216 config/arc/xm-arc.h, config/arm/xm-arm.h,
217 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
218 config/h8300/xm-h8300.h, config/i370/x-oe,
219 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
220 config/i386/x-ncr3000, config/i386/x-sco5,
221 config/i386/xm-dgux.h, config/i860/x-sysv4,
222 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
223 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
224 config/m68k/x-hp320g, config/m69k/x-mot3300,
225 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
226 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
227 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
228 config/m88k/x-sysv4, config/m88k/x-tekXD88,
229 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
230 config/mips/x-iris, config/mips/x-iris3,
231 config/mips/x-sni-svr4, config/mips/x-sysv,
232 config/mips/xm-iris6.h, config/mips/xm-mips.h,
233 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
234 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
235 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
236 config/pa/xm-papro.h, config/romp/xm-romp.h,
237 config/rs6000/x-aix31, config/rs6000/x-aix41,
238 config/rs6000/x-beos, config/rs6000/x-lynx,
239 config/rs6000/x-mach, config/rs6000/x-rs6000,
240 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
241 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
242 config/sparc/x-sysv4, config/sparc/xm-linux.h,
243 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
244 config/vax/xm-vms.h: Eradicate all references to alloca and
247 * config/xm-alloca.h, config/clipper/x-clix,
248 config/i386/xm-sysv4.h, config/i860/x-fx2800,
249 config/i860/x-sysv3, config/m88k/x-sysv3,
250 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
251 (contained only alloca related hacks).
253 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
256 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
258 * invoke.texi: Document __FAST_MATH__.
260 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
262 * crtstuff.c: Restore include of auto-host.h.
264 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
266 Put main() in a separate file, so that the language
267 front-end can use a different main().
270 * toplev.c: (main): Rename as toplev_main.
271 * toplev.h: Declare toplev_main.
272 * Makefile.in (OBJS): add toplev.o.
273 (BACKEND): remove toplev.o, add main.o.
275 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
277 * cppfiles.c (search_from): Special case the empty string.
279 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
281 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
282 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
283 strlen or strcpy; we already know the length.
284 (_cpp_compare_file_date): Similarly.
285 * cpphash.h (struct cpp_reader): Delete done_initialising.
286 (CPP_PREV_BUFFER): Delete.
287 * cppinit.c (cpp_start_read): Don't set done_initialising.
288 * cpplex.c (parse_string): Guarantee null-termination.
289 (_cpp_equiv_toklists): Remove.
290 * cpplib.c (glue_header_name): Null-terminate.
291 (do_line): Don't leak memory.
292 * cpplib.h (BT_WEAK): Delete.
293 * cppmain.c (cb_ident): Strings are now null-terminated.
295 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
297 * gcc.c (convert_filename): Append executable suffix
298 if NO_AUTO_EXE_SUFFIX is not defined.
299 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
300 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
302 2001-03-03 David O'Brien <obrien@FreeBSD.org>
304 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
305 * c-parse.gperf, c-gperf.h: Delete.
306 (c-gperf.h was accidently re-added to the CVS repo in the rev
307 1.16 commit by tromey)
309 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
311 * cpplex.c (_cpp_lex_token): Don't warn about directives in
312 macro arguments when looking for the '('.
313 * cppmacro.c (funlike_invocation_p): Set parsing_args to
314 2 when really parsing arguments; 1 when looking for '('.
315 Always restore the lexer position.
317 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
319 * longlong.h (umul_ppmm): Don't use a multiline string.
321 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
323 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
324 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
325 t_bool in declaration because pcc can't combine volatile with typedef
328 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
330 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
331 until when it is really needed.
332 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
333 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
334 * i386.md (float?i?f splitter): Don't force source operand to memory
336 (sse_movdfcc): Fix constraint.
337 (sse_movdfcc splitter): Handle properly the second alternative.
339 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
341 * cpplex.c (parse_string): Unconditionally pedwarn.
343 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
346 * cppexp.c (parse_number): Update.
347 * cpplex.c (parse_string): Pedwarn if multiline string does not
348 result from a system header's macro.
349 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
350 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
351 for function-like macros too.
352 * c-lex.c (lex_number): Update.
354 2001-03-03 Richard Henderson <rth@redhat.com>
356 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
358 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
360 * combine.c (try_combine): If split with mode-changed scratch
361 register didn't work, try the original mode.
363 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
365 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
366 * config/c4x/c4x.h: Likewise.
367 * stor-layout.c (compute_record_mode): Likewise.
368 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
370 2001-03-02 Zack Weinberg <zackw@stanford.edu>
372 * configure.in: Kill tm.h. Include the files in the $tm_file
373 list in all three of config.h, hconfig.h, tconfig.h, after the
374 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
375 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
376 * configure: Regenerate.
377 * Makefile.in (clean): Don't delete tm.h.
379 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
380 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
381 those are not defined, set SEC and FEC to 0 and 1.
382 * gcc.texi: Update to match.
384 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
385 * config/fp-bit.c, config/m68k/aux-crt2.asm,
386 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
387 Include tconfig.h, not tm.h.
389 * config/xm-lynx.h, config/xm-std32.h,
390 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
391 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
392 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
393 config/clipper/xm-clix.h, config/convex/xm-convex.h,
394 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
395 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
396 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
397 config/i386/xm-i386.h, config/i860/xm-i860.h,
398 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
399 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
400 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
401 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
402 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
403 config/pa/xm-linux.h, config/pa/xm-pa.h,
404 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
405 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
406 config/pj/xm-pj.h, config/romp/xm-romp.h,
407 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
408 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
409 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
410 config/v850/xm-v850.h, config/vax/xm-vax.h,
411 config/we32k/xm-we32k.h:
413 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
415 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
416 config/i370/xm-oe.h: Don't include tm.h. Don't define
418 * config/vax/xm-vms.h: Don't include tm.h.
420 * config/xm-lynx.h, config/avr/xm-avr.h,
421 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
422 Delete; made empty by above changes.
423 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
424 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
425 Don't include config/xm-lynx.h or tm.h.
427 * config/xm-gnu.h: Don't include fcntl.h.
428 * config/sparc/xm-lynx.h: Don't include sys/types.h and
430 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
432 2001-03-02 Richard Henderson <rth@redhat.com>
434 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
435 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
437 2001-03-02 Richard Henderson <rth@redhat.com>
439 * Makefile.in (OBJS): Add dwarf2asm.o.
440 * dwarf2asm.c, dwarf2asm.h: New files.
441 * dwarf2out.c (*): Use them.
442 (size_of_uleb128, size_of_sleb128): Remove.
443 (output_uleb128, output_sleb128): Remove.
444 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
445 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
446 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
447 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
448 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
449 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
450 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
451 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
452 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
453 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
454 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
455 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
456 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
457 (dwarf2out_frame_debug): Remove unused variables.
458 (output_loc_operands): Don't abort on 8 byte constants if
459 host integers are wide enough.
460 (output_symbolic_ref): Remove.
461 (size_of_die): Don't assume 4 byte host integers.
462 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
464 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
465 something stupid with HOST_WIDE_INT to long truncation.
466 [CONST_DOUBLE]: Likewise.
468 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
469 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
470 * config/arm/unknown-elf.h: Likewise.
471 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
472 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
473 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
474 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
475 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
476 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
477 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
478 (ASM_OUTPUT_DWARF_OFFSET): Remove.
479 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
480 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
481 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
482 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
484 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
486 * cselib.c (hash_rtx): Cast enums to unsigned int.
488 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
490 * print-rtl.c (print_rtx): Cast enums to int for comparison.
491 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
493 * c-format.c (C_STD_VER): Cast to int for comparisons.
494 (check_function_format): Cast various enums to int for &.
495 (maybe_read_dollar_number): Likewise.
496 (check_format_info): Likewise.
497 (check_format_info_main): Likewise.
498 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
499 (safe_from_p): Likewise.
500 * varasm.c (const_hash): Cast enum to int for %.
501 * emit-rtl.c (init_emit_once): Use int loop variable to work around
502 pcc enum problems with < and ++ operators.
503 * regclass.c (init_reg_sets_1): Cast enums for comparison.
504 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
505 (regclass_init): Change enum class to int to iterate over reg_classes.
506 * genrecog.c (merge_trees): Cast enums for comparison.
507 * rtl.h (GET_CODE): Cast to enum rtx_code.
508 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
509 (GET_MODE): Cast to enum machine_mode.
510 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
511 (GET_NOTE_INSN_NAME): Cast enum to int.
512 * tree.h (TREE_CODE): Cast to enum tree_code.
513 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
514 * timevar.c (timevar_print): Change loop variable id from enum to
516 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
517 * config/i386/i386.md: Use PUT_MODE for mode assignment.
518 * toplev.c (compile_file): Cast enum DFI to int.
519 (decode_d_option): Likewise.
521 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
523 * cppinit.c (append_include_chain): Mark "after" include file name list
524 as a system directory.
525 * cpp.texi: Document new behavior.
527 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
529 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
531 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
533 * cppfiles.c (struct include_file): Update.
534 (stack_include_file): Use search_from.
535 (cpp_included, find_include_file): Update.
536 (cpp_execute_include): Update. ptr->name may not be
537 null terminated. Use the new search_from member variable
539 (_cpp_compare_file_date): Similarly.
540 (search_from): New function, similiar to actual_directory.
541 (actual_directory): Delete.
542 (remap_filename): Update. loc->name may not be null terminated.
543 (struct file_name_list): Rename search_path. Update.
544 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
546 (struct cpp_reader): Remove actual_dirs.
547 * cppinit.c (struct cpp_pending): Update for renamed objects.
548 (append_include_chain, remove_dup_dir, remove_dup_dirs,
549 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
550 * cpplib.h (struct cpp_options): Similarly.
552 2001-03-01 Zack Weinberg <zackw@stanford.edu>
554 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
555 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
556 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
557 config/clipper/xm-clix.h, config/convex/xm-convex.h,
558 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
559 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
560 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
561 config/i370/xm-linux.h, config/i370/xm-mvs.h,
562 config/i370/xm-oe.h, config/i386/xm-aix.h,
563 config/i386/xm-i386.h, config/i386/xm-osf.h,
564 config/i860/xm-i860.h, config/i960/xm-i960.h,
565 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
566 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
567 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
568 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
569 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
570 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
571 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
572 config/pj/xm-pj.h, config/romp/xm-romp.h,
573 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
574 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
575 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
576 config/v850/xm-v850.h, config/vax/xm-vax.h,
577 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
578 Do not define TRUE or FALSE.
580 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
581 empty by above change.
582 * config.gcc: Remove references to these files.
584 * configure.in: Detect stdbool.h.
585 * configure, config.in: Regenerate.
586 * system.h: Include stddef.h here if available.
587 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
588 Then set up a sensible boolean type at the very end.
590 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
591 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
593 * hash.h: Delete 'boolean' typedef and related #undefs.
595 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
596 all uses of 'boolean' with 'bool'.
598 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
600 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
601 * cppexp.c (lex): Cast enums for comparison.
602 * cppinit.c (parse_option): Cast enum for comparison.
603 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
604 (cpp_output_token): Likewise.
605 (cpp_can_paste): Cast enums for comparsion and plus/minus.
606 (cpp_avoid_paste): Cast enums for minus and comparison.
608 2001-03-01 Zack Weinberg <zackw@stanford.edu>
610 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
611 field to all array elements.
613 2001-03-01 Zack Weinberg <zackw@stanford.edu>
615 * cpphash.h (struct cpp_reader): Add print_version field.
616 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
617 just set print_version and other flags as appropriate.
618 (cpp_post_options): Print version here if print_version is set.
620 * toplev.c (exit_after_options): New flag.
621 (independent_decode_option): Don't exit here; just set
623 (main): Exit after calling lang_hooks.post_options if
624 exit_after_options is true.
626 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
627 (merge_include_chains): Adjust comment to match code.
629 2001-03-01 Zack Weinberg <zackw@stanford.edu>
631 * stringpool.c (set_identifier): New function.
632 * tree.h: Prototype it.
634 * c-parse.in: Kill D_YES. If compiled for objc, call
635 save_and_forget_protocol_qualifiers from init_reswords.
636 * objc/objc-act.c (remember_protocol_qualifiers,
637 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
638 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
640 (save_and_forget_protocol_qualifiers): New function.
641 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
643 2001-03-01 Diego Novillo <dnovillo@redhat.com>
645 * c-semantics.c (prune_unused_decls): Return error_mark_node
646 instead of (tree) 1 to stop traversing the tree chain.
648 2001-03-01 Bernd Schmidt <bernds@redhat.com>
650 Fix a problem introduced by Kenner's Feb 18 change.
651 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
652 flag_cse_skip_blocks only temporarily, not for ever.
654 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
656 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
657 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
659 * pa.c (emit_move_sequence): Verify operand0 is a hard register
660 before determining its register class.
662 2001-03-01 Bernd Schmidt <bernds@redhat.com>
664 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
665 from reg 4 if current_function_calls_setjmp.
666 (gen_nop_type): New function.
667 (ia64_emit_nops): New function.
668 (ia64_reorg): Call it.
669 (ia64_sched_reorder): Move code that rotates bundles up a bit.
671 * reload1.c (eliminate_regs_in_insn): Restrict the special case
672 code not to try to optimize adds with anything but a REG destination.
674 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
675 (INSN_PRIORITY_KNOWN): New accessor macro.
676 * haifa-sched.c (priority): Use it instead of testing priority against
679 2001-02-28 DJ Delorie <dj@redhat.com>
681 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
682 since that doesn't work the way gcc wants on a generic m68k.
684 2001-02-28 Richard Henderson <rth@redhat.com>
686 * caller-save.c (save_call_clobbered_regs): Fix typo in
687 comparison last change.
689 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
691 * i386.c (pentium4_cost): New.
692 (m_PENT4): New macro.
693 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
694 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
695 x86_integer_DFmode_moves, x86_partial_reg_dependency,
696 x86_memory_mismatch_stall): Add Pentium4
697 (x86_use_q_reg, x86_use_any_reg): Kill.
698 (override_options): Add pentium4.
699 (incdec_operand): Return 0 for pentium4.
700 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
701 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
702 (TARGET_PENTIUM4): Define.
703 (enum processor_type): Add PROCESSOR_PENTIUM4.
704 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
705 * i386.md (attribute "cpu"): Add pentium4.
706 * invoke.texi (march): Add pentium4.
708 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
710 * i386.md (sse_mov?fcc*): New patterns and splitters.
711 * i386.c (ix86_expand_movcc): Work post-reload; recognize
712 the SSE based conditional moves.
714 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
716 * i386.md (attribute mode): Add "TI".
717 (movsf_1): Add pxor support; remove constant propagation splitter.
718 (movdf_integer): Likewise.
719 (movdf_nointeger): Likewise.
720 (movxf constant prop splitter): Handle all modes; update for SSE.
721 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
722 * i386.c (standard_80387_constant_p): Rewrite.
723 (standard_sse_constant_p): New.
724 * i386-protos.h (standard_sse_constant_p): New.
726 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
728 * i386.md (sse_setccsf, sse_setccdf): New.
729 (sse_cmp* patterns): Use '%D' instead of outputtting condition
731 * i386.c (sse_comparison_operator): Accept the supported unordered
732 comparses; be ready for fast_math.
733 (print_operand): Support 'D'.
735 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
737 * jump.c (reversed_comparison_code): Kill.
739 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
741 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
744 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
746 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
747 add missing '%' in constraints.
749 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
751 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
752 for HOST_BITS_PER_WIDE_INT == 32 too.
754 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
756 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
758 (insert_save, insert_restore): New parameter save_mode.
759 (init_caller_save): Update initialization of reg_save_code
760 and reg_restore_code.
761 (save_call_clobbered_regs): Compute save_modes and update calls to
762 reg_save_code and reg_restore_code.
763 (insert_restore): Unsignetize numbers; use save_modes to choose mode
764 of spill; update use of reg_restore_code.
765 (insert_save): Likewise.
766 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
767 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
768 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
770 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
772 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
773 noce_try_store_flag_inc, noce_try_store_flag_mask,
774 noce_try_cmove_arith):
775 Use reversed_comparison_code instead of reverse_comparison and
776 can_reverse_comparison_p.
778 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
780 * jump.c (reversed_comparison_code_parts): Allow reversal of
781 unordered compares in -ffast-math mode; reverse ordered compares
782 for FP even w/o -ffast-math.
784 2001-02-27 Richard Henderson <rth@redhat.com>
786 * print-rtl.c (print_rtx) [i]: Don't print field five on
787 NOTEs other than NOTE_INSN_DELETED_LABEL.
789 2001-02-27 Zack Weinberg <zackw@stanford.edu>
791 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
792 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
794 2001-02-27 Diego Novillo <dnovillo@redhat.com>
796 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
797 even if walk_subtrees is 0.
798 * c-semantics.c (prune_unused_decls): Return a non-null value to
799 stop traversing the tree chain.
801 2001-02-27 DJ Delorie <dj@redhat.com>
803 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
804 register, *then* define it as the new CFA.
806 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
808 * pa.c (override_options): Promote -fpic to -fPIC.
809 (legitimize_pic_address): Simplify due to removal of
810 small PIC as a code generation option.
811 (secondary_reload_class): Similarly.
812 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
813 (PRINT_OPERAND_ADDRESS): Similarly.
814 * pa.md (various patterns): Similarly.
815 (small pic lo_sum pattern): Remove.
817 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
820 * md.texi (min, max): Document
822 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
824 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
825 TARGET_PARTIAL_REG_DEPENDENCY.
826 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
828 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
830 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
832 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
834 * mips.c (mips_make_temp_file): Fix thinko in last change.
836 2001-02-26 Jason Eckhardt <jle@redhat.com>
838 * combine.c (known_cond): Do not reverse the condition when
839 SMAX/UMAX is being considered and the condition is for equality
842 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
844 2001-02-26 Philip Blundell <philb@gnu.org>
846 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
848 * config/arm/linux-elf.h: Remove historical relics related to
849 above configurations.
850 * config/arm/linux-oldld.h: Delete.
851 * config/arm/linux-elf26.h: Delete.
853 2001-02-26 Jason Merrill <jason@redhat.com>
855 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
857 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
858 recognize a tentative definition. Lose obsolete code.
860 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
861 variables unless necessary, either.
863 2001-02-25 Richard Henderson <rth@redhat.com>
865 * ifcvt.c (struct noce_if_info): Add test_bb.
866 (noce_get_alt_condition): New.
867 (noce_try_minmax, noce_try_abs): New.
868 (noce_operand_ok): New.
869 (noce_process_if_block): Use them.
870 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
872 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
874 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
877 2001-02-25 Zack Weinberg <zackw@stanford.edu>
879 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
880 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
882 (mips_asm_file_end): Free temp_filename here.
884 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
886 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
887 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
889 * config/i386/i386.md (movstrsi): Handle FAIL case.
891 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
893 * cppinit.c (builtin_array): Update.
894 (init_builtins): Flag builtins to warn if redefined or
895 undefined. Define __GXX_WEAK as a normal macro.
896 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
897 * cpplib.h (NODE_WARN): New flag.
898 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
899 Handle __STDC__ as a builtin only on Solaris.
900 (warn_of_redefinition): Renamed from check_macro_definition.
901 Reverse sense of test. Always warn if NODE_WARN.
902 (_cpp_create_definition): Use warn_of_redefinition. Flag
903 any macro beginning with "__STDC_" to require a mandatory
904 warning if redefined or undefined.
906 2001-02-24 Zack Weinberg <zackw@stanford.edu>
908 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
909 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
910 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
911 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
912 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
913 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
915 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
916 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
917 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
918 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
919 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
921 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
922 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
925 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
926 Delete now-empty file.
928 * alpha/vms.h: Define NEED_ATEXIT here...
929 * alpha/xm-vms.h: ...not here.
931 * i386/cygwin.h: Don't define PARAMS.
932 * mips/mips.c: Don't prototype mktemp. Don't define
933 P_tmpdir. Use make_temp_file to create temporary files.
934 Don't be clever and delete temporary files early.
935 * config.gcc: Drop references to deleted files. Don't define
937 * gcc.texi: Don't mention USE_PROTOTYPES.
939 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
941 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
942 (ix86_set_move_mem_attrs_1): Likewise.
943 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
944 * config/i386/i386.md (movstrsi): Call it.
946 2001-02-24 Zack Weinberg <zackw@stanford.edu>
948 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
949 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
950 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
951 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
953 (i750a-*-*): Error here if hosting on i750a.
954 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
956 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
957 Remove (empty modulo comments).
959 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
960 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
961 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
962 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
963 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
964 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
966 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
967 Remove reference to winnt.h in comment.
968 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
970 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
972 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
973 used to set another biv.
975 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
977 * tree.h (BLOCK_DEAD): New macro.
978 (struct tree_block): New flag, dead_flag.
979 * print-tree.c (print_node, case 'b'): Print missing fields.
980 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
981 * function.c (identify_blocks): Enable test for misplaced notes.
982 (all_blocks): Skip BLOCK_DEAD blocks.
983 * integrate.c (integrate_decl_tree): Likewise.
985 * errors.c (internal_error, trim_filename): New functions.
986 (fancy_abort): Call internal_error.
987 * errors.h (internal_error, trim_filename): New declarations.
989 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
991 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
993 (EXTRA_CONSTRAINT): Formatting changes.
995 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
997 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
999 2001-02-23 Per Bothner <per@bothner.com>
1001 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1002 so they can be called from java/jvspec.c.
1003 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1005 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1007 * i386.c (ix86_frame): New structure.
1008 (ix86_compute_frame_size): Kill.
1009 (ix86_compute_frame_layout): New.
1010 (ix86_save_reg): New.
1011 (ix86_can_use_return_insn_p): Use frame layout stuff.
1012 (ix86_expand_prologue): Likewise.
1013 (ix86_expand_epilogue): Likewise.
1014 (ix86_initial_elimination_offset): Likewise.
1015 (ix86_nsaved_regs): Use ix86_save_reg.
1016 (ix86_emit_save_regs): Likewise.
1018 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1020 * flow.c (find_sub_basic_blocks): New function.
1021 (split_block): Be ready for basic block introduced by CODE_LABEL.
1022 (commit_one_edge_insertion): Call find_sub_basic_block.
1024 * flow.c (make_edges): Add edge from entry for blocks starting with
1025 label having ALTERNATE_NAME
1027 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1029 * function.c (epilogue_done): Be ready for first basic block not
1030 containing PROLOGUE_END note.
1031 (reposition_prologue_and_epilogue_notes): Avoid placing
1032 PROLOGUE_END note between BASIC_BLOCK.
1034 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1036 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1038 2001-02-21 DJ Delorie <dj@redhat.com>
1040 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1041 check for current_function_has_nonlocal_goto from 1999-11-12.
1043 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1045 * diagnostic.c (trim_filename): No longer static.
1046 * toplev.h (trim_filename): Declare.
1047 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1048 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1049 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1050 (rtvec_check_failed_bounds): Likewise.
1051 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1053 * convert.c (convert_to_integer): Don't do unsigned unless result or
1054 both inputs are unsigned.
1056 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1059 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1061 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1063 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1065 * Makefile.in (resource.o): Add params.h dependence.
1066 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1067 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1068 * resource.c: Add dependence on params.h.
1069 (current_live_regs): Fix explanatory comment.
1070 (find_basic_block): Add new parameter to permit limiting search
1072 (mark_target_live_regs): Add new argument to find_basic_block call.
1073 (incr_ticks_for_insn): Likewise.
1075 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1077 * diagnostic.c (output_to_stream): Rename to
1078 output_buffer_to_stream. Loses the stream parameter.
1079 (init_output_buffer): Set diagnosic_buffer's stream.
1080 (flush_diagnostic_buffer): Adjust.
1081 (default_print_error_function): Likewise.
1082 (finish_diagnostic): Likewise.
1083 (verbatim): Likewise.
1085 * diagnostic.h (struct output_buffer): Add `stream' field.
1086 (output_buffer_attached_stream): New macro.
1088 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1090 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1091 check if either operand is divisible by C.
1092 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1093 If type is signed, consider negative numbers as well.
1095 2001-02-22 Richard Henderson <rth@redhat.com>
1097 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1098 reach .text instead of gp-relative relocs.
1099 * config/ia64/crtend.asm (.init): Likewise.
1101 2001-02-22 Andreas Jaeger <aj@suse.de>
1103 * extend.texi (C++ Attributes): Fix typo.
1105 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1107 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1108 functions, drop current_function_args_info.words test.
1109 (ia64_compute_frame_size): Mark syscall_linkage functions as
1110 using eight input registers.
1112 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1113 Bruce Korb <bkorb@gnu.org>
1115 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1116 * fixinc/README: Document how to convert sed substitutions
1117 to format style c_fix-es.
1118 * fixinc/fixincl.x: regen
1120 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1122 * gcc.c: Add comment explaining how to add a command-line option.
1123 Add title to specs language comment.
1125 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1127 * gcc.c (cc1_options): Add "-param".
1128 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1129 (option_map): Likewise.
1130 * toplev.c (display_help): Add entry for "--param".
1131 (independent_decode_option): Fix typographical error.
1133 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1134 Bernd Schmidt <bernds@redhat.com>
1135 Jan Hubicka <jh@suse.cz>
1137 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1138 (function_arg): Likewise.
1140 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1142 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1144 2001-02-21 Kazu Hirata <kazu@hxi.com>
1146 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1150 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1152 * flow.c (init_propagate_block_info): Canon address and use single_set
1153 for killing dead memory stores.
1155 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1157 * Makefile.in (reorg.o): Add params.h dependence.
1158 * params.def: Fix typographical error in comment.
1159 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1160 * params.h: Modify introductory comment.
1161 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1162 * reorg.c: Add dependence on params.h.
1163 (redundant_insn): Add parameterized throttle for search.
1164 (fill_simple_delay_slots): Add a comment explaining a variable.
1165 Move conditional out of loop, simplifying code.
1166 (fill_eager_delay_slots): Fix typographical error in comment.
1168 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1170 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1172 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1173 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1175 2001-02-21 Jason Merrill <jason@redhat.com>
1177 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1178 (struct tree_decl): Add uninlinable bitfield.
1179 * c-decl.c (duplicate_decls): Set it.
1180 * integrate.c (function_cannot_inline_p): Check it.
1182 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1183 DW_AT_MIPS_linkage_name to abstract methods.
1184 (dwarf2out_abstract_function): Emit class context before calling
1185 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1186 (gen_subprogram_die): Remove obsolete code.
1187 (gen_member_die): Don't include clones in the member list.
1188 (gen_decl_die): Emit abstract info for clone origin.
1189 * dwarfout.c (output_type): Don't include clones in the member list.
1190 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1191 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1192 DECL_ABSTRACT on a function that already has it set.
1194 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1195 (get_subprogram_die): Pass it in.
1197 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1199 * flow.c (mark_set_1): Make not_dead unsigned long. For
1200 non-pseudos, use it as a bitmask of the hard regs that
1203 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1205 * cppfiles.c: Update comments.
1206 (_cpp_read_file): Don't check for NULL filenames any more.
1207 * cppinit.c (cpp_start_read): Don't do canonicalization of
1208 in_fname and out_fname. Use the passed file name exclusively.
1209 (_cpp_handle_options): Don't treat "-" as a command line option,
1210 but as a normal filename.
1211 (_cpp_post_options): Canonicalize in_fname and out_fname.
1212 * cppmain.c (printer_init): Don't check out_fname for NULL.
1213 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1214 (init_c_lex): Update, and use "" to represent stdin to CPP.
1217 2001-02-20 Will Cohen <wcohen@redhat.com>
1219 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1220 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1221 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1224 2001-02-20 Stan Shebs <shebs@apple.com>
1226 * config/rs6000/rs6000.c (output_cbranch): Output branches
1227 on separate lines instead of using ';' to separate.
1229 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1231 * cppinit.c (set_lang): Move builtin handling to...
1232 (init_builtins): ...here.
1233 (_cpp_create_reader): Move call to set_lang.
1235 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1237 * stmt.c (expand_return): If an attempt is made to return the
1238 error_mar_node, treat the return like a return without a value.
1240 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1242 * sibcall.c (skip_copy_to_return_value): Call
1243 identify_call_return_value here, and return orig_insn if it
1244 returns zero. Hardret and softret arguments now unnecessary.
1245 (call_ends_block_p): Don't call identify_call_return_value here.
1247 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1249 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1250 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1252 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1254 * pa.c (move_operand): Accept code to load the address of a
1255 symbol out of the DLT as a valid move operand.
1256 (print_operand, case 'A'): New to handle generating a DLT
1257 reference for a LO_SUM expression.
1258 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1259 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1261 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1263 * README, cpp.texi, gcc.texi, version.c: Update version number to
1265 * cpp.1, gcov.1, gcc.1: Regenerate.
1267 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1269 * cppfiles.c (stack_include_file): Generate dependencies
1270 here, and manage include_count here too.
1271 (PRINT_THIS_DEP): Delete.
1272 (_cpp_execute_include): Do not generate dependencies here,
1273 apart from the case of a missing header. Do not manage
1275 (_cpp_read_file): Leave dependency generation to
1278 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1280 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1281 target_cpu_default. Remove dead assignment to
1284 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1286 * regclass.c (contains_reg_of_mode): Make global.
1287 (init_reg_sets): Remove contains_reg_of_mode; take into account
1288 CLASS_MAX_NREGS when looking for the proper mode.
1289 (dump_regclass): Dump only classes considered for the pseudo.
1290 (regclass): Use contains_reg_of_mode.
1292 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1294 * gcc.c (do_spec_1): 'n' for printing notices.
1295 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1297 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1299 * reg-stack.c (next_flags_user): Use current_block->end
1300 (swap_rtx_condition): Look for next user if flags don't die;
1301 give up on CALL_INSNs; use current_block->end.
1303 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1305 * sibcall.c (call_ends_block_p): New function.
1306 (optimize_sibling_and_tail_recursive_call): Use it.
1308 2001-02-18 Kazu Hirata <kazu@hxi.com>
1310 * config/h8300/h8300.md: Update copyright.
1311 (andsi3): Do not output an extra newline character.
1313 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1315 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1316 FNDECL may be unused.
1318 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1319 follow jumps after first run.
1320 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1321 it doesn't change any jumps.
1323 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1325 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1326 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1327 (mostlyclean): Corresponding changes.
1328 * rtlanal.c (hard-reg-set.h): Include.
1329 (rtx_unstable_p): Do not treat the argument pointer specially
1330 if it is not a fixed register.
1331 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1333 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1335 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1336 against last real insn in basic block.
1337 Rework to avoid gotos.
1339 * Makefile.in (gcse.o): Now includes ggc.h.
1340 * gcse.c: Include ggc.h.
1341 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1342 (try_replace_reg): Remove warning of uninitialize variable.
1343 (process_insert_insn): Call invalid_insn_p to validate insn.
1344 * recog.c (insn_invalid_p): Now global.
1345 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1346 * recog.h (insn_invalid_p): New declaration.
1348 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1350 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1351 assignments from FP constants since 'Y' output code can't handle it.
1352 (eligible_for_sibcall_delay): Likewise.
1354 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1355 Call fancy_abort directly, passing args.
1356 (print_rtl_and_abort): Now a macro, like fancy_abort.
1358 * final.c (output_operand_lossage): Use internal_error, not error.
1360 2001-02-18 Shane Nay <shane@agendacomputing.com>
1362 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1363 structure shift insns.
1365 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1367 * invoke.texi (-fsquangle): Remove documentation.
1368 (-fname-mangling-version): Likewise.
1370 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1372 * optabs.c (expand_abs): Remove reference to
1373 HAVE_contitional_arithmetic.
1374 * combine.c (simplify_set): Likewise.
1376 2001-02-18 Richard Henderson <rth@redhat.com>
1378 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1381 2001-02-18 Richard Henderson <rth@redhat.com>
1383 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1385 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1387 * reload1.c (reload_cse_simplify_set): Fix typo.
1389 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1391 * diagnostic.c (_fatal_insn): Decrement errorcount.
1393 * invoke.texi (-I): Add note avoiding use for system header files.
1395 * rtl.h (add_clobbers): Remove duplicate declaration.
1396 * recog.h (added_clobbers_hard_reg_p): New declaration.
1397 * genemit.c (struct clobber_pat): New field has_hard_reg.
1398 (gen_insn): Record if added clobbers clobber hard reg.
1399 (gen_split): Avoid unused warning if number of operands is 0.
1400 (output_added_clobbers_hard_reg_p): New function.
1403 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1405 * pa.c (hppa_expand_prologue): Simplify code storing return
1406 pointer. For large (>=8k) frames with a post_store, adjust stack
1407 pointer by 8k-64 first rather than by 64. When testing with
1408 VAL_14_BITS_P, always use the actual value rather than the value
1409 negated. Add blockage to prevent scheduling of spills before
1410 stack frame has been created.
1411 (hppa_expand_epilogue): Simplify code loading return pointer.
1412 Allow a slightly larger range for merge_sp_adjust_with_load case.
1413 When testing with VAL_14_BITS_P, always use the actual value.
1415 * pa.c (pa_adjust_insn_length): Check that block move
1416 pattern is a set before looking at operands.
1418 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1420 * fold-const.c (fold_binary_op_with_conditional_arg): New
1421 function, split out from ...
1423 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1424 conditional arms that throw exceptions.
1426 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1429 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1431 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1432 define HAVE_DECL_* to 1 to mask potential backup declarations.
1433 * configure: Regenerated.
1435 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1437 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1439 2001-02-17 Richard Henderson <rth@redhat.com>
1441 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1442 when replacing a memory load with a register.
1444 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1445 Jan Hubicka <jh@suse.cz>
1447 * recog.c (validate_replace_src_1): New.
1448 (validate_replace_src_data): Likewise.
1449 (validate_replace_src): Use note_uses.
1450 * rtl.h (note_uses): Declare.
1451 * rtlanal.c (note_uses): New.
1453 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1455 * reg-stack.c (stack_def): Make field reg unsigned.
1456 (remove_regno_note): Unsignetize parameter.
1458 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1460 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1461 shladd_operand() call.
1463 2001-02-16 Bruce Korb <bkorb@gnu.org>
1464 Rodney Brown <RodneyBrown@mynd.com>
1466 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1467 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1468 machine restrictions
1469 * fixinc/fixincl.x: regen
1471 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1473 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1475 (hash_scan_insn): Clean up calls to hash_scan_set.
1476 (compute_kill_rd): REGNO now unsigned.
1477 (try_replace_reg): Rework to use simplify_replace_rtx.
1478 (cprop_jump, cprop_cc0_jump): Likewise.
1479 (cprop_insn): Call find_reg_equal_equiv_note.
1480 Reflect changes to cprop_jump and cprop_cc0_jump.
1482 * recog.c (validate_replace_src): Replace in operands of
1483 ZERO_EXTRACT in SET_DEST.
1485 * cse.c (new_label_ref): New variable.
1486 (insert): Set it instead of recorded_label_ref.
1487 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1488 CODE_LABEL for this function, and not already in REG_LABEL note.
1490 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1492 * resource.c (mark_referenced_resources): Fix typo in introductory
1494 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1497 2001-02-16 Jason Merrill <jason@redhat.com>
1499 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1501 (gen_subprogram_die): Don't abort on seeing a second definition if
1502 the previous one was abstract. Don't replace an abstract instance
1503 in the lookup table.
1505 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1506 gen_abstract_function.
1507 * dwarf2out.h: Declare it.
1508 * toplev.c (note_outlining_of_inline_function): New fn.
1509 * toplev.h: Declare it.
1510 * integrate.c (output_inline_function): Call it.
1511 * c-decl.c (duplicate_decls): Call it when redefining an extern
1512 inline. Don't inline the new defn.
1514 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1516 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1518 * .gdbinit: Rename to gdbinit.in.
1519 * gdbinit.in: New file,
1520 * configure.in: Generate .gdbinit from gdbinit.in.
1521 * configure: Regenerated.
1522 * Makefile.in (distclean): Always remove .gdbinit.
1524 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1526 * objc/objc-act.c (start_class): Register implemented_classes with
1529 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1531 * cppfiles.c (_cpp_make_system_header): Generate a file
1534 2001-02-15 Jim Meyering <meyering@lucent.com>
1536 * Makefile.in (install-common): Don't depend on installdirs here.
1537 Instead, make each of the lang.install-common targets (e.g.,
1538 c++.install-common in cp/Make-lang.in) depend on it.
1539 (install-driver): Depend on installdirs.
1541 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1543 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1545 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1548 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1550 * invoke.texi (--param): Document.
1552 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1554 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1556 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1558 * i386.md (extendsfdf2_2): Fix constraints.
1560 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1562 * i386.md (fop_df_3 splitter): Fix operand number.
1564 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1566 * invoke.texi (-mreg-alloc): Nuke.
1567 * i386.c (ix86_reg_alloc_order, regs_allocated,
1568 order_regs_for_local_alloc): Nuke.
1569 (override_options): Kill reg_alloc code.
1570 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1571 (REG_ALLOC_ORDER): SSE goes before I387.
1572 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1573 (ix86_reg_alloc_order): Likewise.
1574 * i386-protos.h (ix86_reg_alloc_order): Kill.
1576 2001-02-14 Richard Henderson <rth@redhat.com>
1578 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1580 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1582 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1584 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1586 * i386-protos.h (ix86_memory_move_cost): Move offline.
1587 * i386.c (ix86_register_move_cost): Compute properly cost of
1588 SSE, MMX and i387 instructions.
1589 (*_cost): Add costs of SSE/MMX moves.
1590 (ix86_memory_move_cost): Move offline from ....; Likewise.
1591 * i386.h (MEMORY_MOVE_COST): .... here;
1592 (struct processor costs): Add new fields to represent costs
1595 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1597 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1598 move_cost together with Matt Kraai's fix.
1600 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1602 * Makefile.in (OBJS): Add params.o.
1604 2001-02-14 Richard Henderson <rth@redhat.com>
1605 DJ Delorie <dj@redhat.com>
1607 * jump.c (jump_optimize_1): When we delete a conditional jump
1608 preceeding a non-conditional jump to effectively the same place,
1609 make sure that the combined jump skips any clobber insns between
1612 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1614 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1616 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1618 * Makefile.in (toplev.o): Depend on params.h.
1619 (intergate.o): Likewise.
1620 (params.o): New target.
1621 * flags.h (inline_max_insns): Remove.
1622 * integrate.c: Include params.h.
1623 Use MAX_INLINE_INSNS instead of inline_max_insns.
1624 * params.c: New file.
1625 * params.h: Likewise.
1626 * params.def: Likewise.
1627 * toplev.c: Include params.h.
1628 (lang_independent_params): New variable.
1629 (decode_f_option): Use the param machinery instead of setting
1631 (independent_decode_option): Handle "--param name=value".
1632 (main): Register language-independent parameters.
1634 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1636 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1638 2001-02-14 Richard Henderson <rth@redhat.com>
1640 * regclass.c (init_reg_sets_1): Revert last two changes.
1642 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1644 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1645 (variable_size): Call put_pending_size.
1646 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1647 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1648 sizes list, put newly created SAVE_EXPR there as well.
1650 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1652 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1653 (errata_find_address_regs): load_group has only 2 entries.
1654 (errata_emit_nops): Likewise. shladd is not problematic.
1655 Clear last_group if nop was emitted.
1656 (fixup_errata): load_group has only 2 entries.
1659 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1661 * c-lex.c (lex_number): Only warn traditionally for U suffix
1662 outside system macros.
1663 * cppexp.c (parse_number): Similarly.
1664 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1665 * cppmacro.c (struct cpp_macro): New member node.
1666 (parse_args): Only warn about missing rest args if not
1668 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1669 (cpp_sys_objmacro_p): New.
1670 (_cpp_create_definition): Store the node with the macro defn.
1671 Remember if the macro is defined in a system header.
1673 2001-02-13 DJ Delorie <dj@redhat.com>
1675 * configure.in (check_languages): determine languages to check
1676 * Makefile.in (check-c++): alias for check-g++
1677 (check-f77): alias for check-g77
1678 (CHECK_TARGETS): depend on configured languages
1680 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1682 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1683 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1684 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1685 (sqrtextendsfdf2): Disable for SSE2.
1687 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1689 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1690 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1691 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1692 (sqrtextendsfdf2): Disable for SSE2.
1694 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1696 * i386.md (movsfcc_1): Support integer cmove instruction.
1697 (movdfcc_1): Likewise; new splitter.
1699 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1701 * i386.c (output_fp_compare): Support SSE.
1702 (prepare_fp_compare_args): SSE comparisons always support memory.
1703 * i386.h (TARGET_CMOVE): SSE imply cmove.
1704 * i386.md (cmp?f2): Enable for SSE too.
1705 (cmpfp_i*): Support SSE.
1707 (cmpfp_i_sse_only): New.
1708 (s*, b* fp expanters): Enable for SSE too.
1709 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1712 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1714 * regclass.c (init_reg_sets_1): Silence warning.
1716 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1718 * i386.md (sqrt?f2): Change to expander.
1719 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1721 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1723 * rtlanal.c (find_reg_equal_equiv_note): New function.
1724 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1725 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1726 * rtl.h: Add declarations for above functions.
1728 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1730 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1732 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1733 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1734 * flow.c (mark_regs_live_at_end): Likewise.
1735 (calculate_global_regs_live): Likewise.
1736 * gcse.c (compute_hash_table): Likewise.
1737 (compute_kill_rd): Likewise.
1738 * resource.c (mark_target_live_regs): Likewise.
1739 * rtl.h (INVALID_REGNUM): New macro.
1741 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1743 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1745 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1747 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1750 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1754 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1755 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1756 (fop_sf_1_sse, fop_df_1_sse): New patterns
1757 (fop_*): Disable float_extend and float patterns for SSE compilation.
1758 * i386.c (output_387_binary_op): Support SSE.
1760 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1762 * i386.md (dummy_extendsfdf2): Support SSE2
1763 (extendsfdf2): Enable if 80387 or SSE2.
1764 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1765 and no MIX_I387_SSE2
1766 (extendsfdf2_1_sse_only): New pattern.
1767 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1769 (truncdfsf2_1): Support SSE.
1770 (truncdfsf2_2): Support SSE.
1771 (truncdfsf2_2_1_sse): New pattern.
1772 (fixtruncsfsi2): Always use SSE if available.
1773 (fix_truncsfsi_sse): New pattern.
1774 (fix_truncdfsi_sse): New pattern.
1775 (floatsis?f2): Support SSE.
1776 (floatsidf2_i387): New pattern.
1777 (floatsidf2_sse): Likewise.
1779 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1781 * configure.in: Use "have_gnat" variable, not "gnat".
1782 * configure: Regenerated.
1784 * config/sparc/sparc.c (function_value): Treat all non-record
1785 aggregate types like used to treat UNION_TYPE.
1787 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1789 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1790 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1792 (MASK_MIX_SSE_I387): New.
1793 (TARGET_SSE): SSE2 imply SSE.
1794 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1795 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1796 (enum reg_class): Add new classes.
1797 (REG_CLASS_NAMES): Likewise.
1798 (REG_CLASS_CONTENTS): Likewise.
1799 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1800 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1801 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1802 (CLASS_MAX_NREGS): Use new macros.
1803 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1804 * i386.md (pushsf, movsf): Support SSE.
1805 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1806 splitters to use ANY_FP_REGNO_P.
1807 (movdf_nointeger, movdf_integer): Likewise.
1809 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1811 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1812 (try_combine): Use it.
1814 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1816 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1817 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1818 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1819 (REGISTER_MOVE_COST): Likewise.
1820 * i386-protos.h (ix86_secondary_memory_needed,
1821 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1822 * i386.c (ix86_secondary_memory_needed,
1823 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1825 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1827 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1828 (HARD_REGNO_MODE_OK): Move offline to ....
1829 * i386.c (ix86_hard_regno_mode_ok) ... here;
1830 refuse all incorrect modes.
1831 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1833 2001-02-13 Richard Henderson <rth@redhat.com>
1835 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1836 entire operator; replicate that and match_dup the operands.
1837 (cmp_ccx_arith_op_set): Likewise.
1838 (cmp_cc_arith_op_not_set): Likewise.
1839 (cmp_ccx_arith_op_not_set): Likewise.
1841 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1843 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1845 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1847 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1848 (TARGET_NO_BITFIELD_WORD): New macro.
1849 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1850 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1852 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1854 * cselib.c: New file, from simplify-rtx.c.
1855 * simplify-rtx.c: Remove cselib parts.
1856 * Makefile.in: Add cselib.o.
1858 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1860 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1861 (setup_incoming_varargs): Remove warning.
1863 * config/rs6000/rs6000.c (validate_condition_mode): When
1864 flag_fast_math, allow floating-point conditionals to be reversed.
1865 (rs6000_generate_compare): When flag_fast_math, don't generate
1866 cror operations for FP conditionals.
1868 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1870 (ASM_SPEC): Likewise.
1871 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1872 (CC1_SPEC): Likewise.
1873 (LINK_TARGET_SPEC): Likewise.
1874 (CPP_ENDIAN_SPEC): Likewise.
1875 * Makefile.in (check-consistency): New target.
1877 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1879 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1880 "return type defaults" warning for functions with return type
1882 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1883 function declarations by default rather than only when pedantic.
1885 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1887 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1890 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1892 * extend.texi (Deprecated): Deprecate new initializer lists.
1894 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1896 * mkdeps.c (deps_add_default_target): Robustify. Add
1897 basename component only.
1898 * cpp.texi (-M): Describe how default target is generated.
1899 * invoke.texi (-M): Likewise.
1901 2001-02-12 Kazu Hirata <kazu@hxi.com>
1903 * toplev.c (push_float_handler): Remove.
1904 (pop_float_handler): Remove.
1905 * toplev.h: Remove prototypes for the above functions.
1907 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1909 * c-common.c (constant_fits_type_p): New function.
1910 (convert_and_check): Use it.
1912 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1914 * Makefile.in (GXX_ABI_FLAG): Don't define.
1915 * configure.in (--enable-new-gxx-abi): Remove option.
1916 * config.in: Regenerated.
1917 * configure: Likewise.
1919 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1921 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1923 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1924 regular basic block, and arrange for all edges into it to switch
1927 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1929 * Makefile.in (distclean): Do not remove .gdbinit.
1931 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1933 * Makefile.in (gcc.o): Fix typos.
1934 (protize.o): Likewise.
1935 (unprotoize.o): Likewise.
1937 2001-02-11 Richard Henderson <rth@redhat.com>
1939 * tree.c (build1): Check for null operand in last change.
1941 2001-02-11 Richard Henderson <rth@redhat.com>
1943 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1944 (fold): Don't assume a constant isn't foldable.
1945 * tree.c (build): Set TREE_CONSTANT for an expression with no
1946 side-effects and constant operands.
1949 2001-02-10 Richard Henderson <rth@redhat.com>
1951 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1953 2001-02-10 Anthony Green <green@redhat.com>
1955 * cpp.texi (Standard Predefined): Add documentation for
1958 * c-common.c (combine_strings): Improve warning message.
1960 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1962 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1964 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1966 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1968 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1971 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1973 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1976 2001-02-09 Nick Clifton <nickc@redhat.com>
1978 * config/arm/arm.md: Change output contraint on post inc
1979 load/store multiple patterns to be a read/write contraint.
1981 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1983 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1984 .o files when using the -M options.
1986 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1987 David Edelsohn <edelsohn@gnu.org>
1989 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1990 handle DImode constants. Use one TOC entry for SImode and smaller
1991 constants, aligned properly.
1993 2001-02-08 Jason Merrill <jason@redhat.com>
1995 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1996 about the SP adjustment for saving the static chain pointer.
1997 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1998 offset when setting a temporary CFA register.
2000 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2002 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2003 powerpc-*-chorusos* .
2004 * config/rs6000/chorus.h : New file.
2005 * config/i386/chorus.h : New file.
2006 * config/sparc/chorus.h : New file.
2007 * config/sparc/t-chorus-elf : New file.
2009 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2011 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2012 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2013 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2014 (__WCHAR_TYPE__): Correct macro name.
2016 2001-02-08 Richard Henderson <rth@redhat.com>
2018 * config/i386/i386.c (ix86_frame_pointer_required): New.
2019 (ix86_setup_frame_addresses): New.
2020 (struct machine_funciton): Add accesses_prev_frame.
2021 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2022 ix86_frame_pointer_required.
2023 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2024 (SETUP_FRAME_ADDRESSES): New.
2025 * config/i386/i386-protos.h: Update.
2026 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2027 from FRAME_POINTER_REQUIRED.
2028 * config/i386/svr3gas.h: Likewise.
2029 * config/i386/sysv3.h: Likewise.
2030 * config/i386/v3gas.h: Likewise.
2032 2001-02-08 Richard Henderson <rth@redhat.com>
2034 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2035 calculation of the number of integer registers required.
2036 (function_arg_record_value): Likewise.
2038 2001-02-08 Jason Merrill <jason@redhat.com>
2040 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2041 two. Print file and line with "confused" message.
2043 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2045 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2047 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2049 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2051 * final.c (cleanup_subreg_operands): The address of a MEM can
2054 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2057 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2059 * gcc.texi (Incompatibilities): Update documentation of
2060 preprocessing numbers.
2062 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2064 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2066 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2068 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2070 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2071 * gcc.c (struct compiler): Add cpp_spec field.
2072 (input_file_compiler): New variable.
2073 (do_spec_1): Allow a particular compiler to handle `%C'
2075 (main): Store the current compiler in input_file_compiler.
2076 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2078 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2080 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2081 * cppinit.c (cpp_create_reader): Initialize them.
2082 (append_include_chain): cxx_aware arg might be unused.
2083 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2084 keywords and give them their phase 7 meaning. Pedwarn about
2085 this unless '__bool_true_false_are_defined' is defined.
2087 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2089 * lcm.c (optimize_mode_switching): Emit mode_set before the
2090 JUMP_INSN of an abnormal edge.
2092 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2094 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2095 a scheduling barrier at the end.
2097 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2099 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2101 * config/sh/sh.md (reload_outsf): Removed.
2102 (movsf_ie): Introduce constraints for FPUL loads and stores.
2103 (reload_insf): Broaden the output constraint.
2105 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2107 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2108 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2110 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2112 * final.c: Revert my previous changes.
2113 * output.h: Make profile_label_no extern.
2114 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2115 for generating label.
2117 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2119 * config/i386/djgpp.h: Add comments about standard paths.
2120 (MD_EXEC_PREFIX): Undefine before defining.
2121 (MD_STARTFILE_PREFIX): New.
2123 2001-01-30 Bruce Korb <bkorb@gnu.org>
2125 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2126 (load_file): do not rely on load_file_data() to close file pointer
2127 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2128 fixinc/inclhack.def(irix_limits_const): add test_text
2130 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2132 * cppexp.c (parse_defined): Improve diagnostics for invalid
2135 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2137 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2139 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2141 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2142 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2143 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2144 (rs6000_output_symbol_ref): New function.
2145 (output_toc): Use VTABLE_NAME_P.
2147 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2149 * print-tree.c (print_node, case PARM_DECL):
2150 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2152 * stor-layout.c (reference_types_internal): New variable.
2153 (internal_reference_types): New function.
2154 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2155 * tree.h (internal_reference_types): New declaration.
2157 * cse.c (find_best_addr): Fix typo in computing cost.
2159 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2161 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2162 and this is the sum of a pointer and a constant, we know the result
2164 (num_sign_bit_copies, case PLUS): Likewise.
2165 * explow.c (convert_memory_address): Remove opposite SUBREG.
2166 * function.c (instantiate_new_reg): New function (from common code).
2167 (instantiate_virtual_regs_1): Call it.
2168 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2169 if pointers sign- or zero-extend.
2170 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2171 If pointers extend unsigned, use inside of SUBREG.
2172 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2174 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2176 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2177 subdir of gcc_gxx_include_dir.
2178 (gcc_gxx_target_include_dir): Remove.
2180 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2182 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2183 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2184 a high-level description.
2186 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2188 * final.c: Move the declaration of profile_label_no to ...
2189 * output.h: ... here.
2190 * function.c (expand_function_start): Call PROFILE_HOOK.
2191 * config/rs6000/aix.h: Define PROFILE_HOOK.
2192 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2193 * config/rs6000/rs6000.c (output_profile_hook): Define.
2194 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2195 output_profile_hook.
2196 tm.texi : Explain new macro PROFILE_HOOK.
2198 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2200 * extend.texi (Extended Asm): Do not say that semicolon is always
2201 a valid line-breaking character for GNU assemblers. Use
2202 newline-tab as the most commonly supported syntax. Use
2203 newline-tab rather than semicolon in multi-insn examples.
2205 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2207 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2209 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2210 David Edelsohn <edelsohn@gnu.org>
2212 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2213 code for AIX, even without flag_pic.
2215 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2217 * c-typeck.c (common_type): push and pop binding level around
2218 calling common_type on function parameters.
2220 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2222 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2224 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2226 * config/mips/mips.c (override_options): Fix typo in last change.
2227 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2228 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2230 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2232 * invoke.texi (-fdump-class-layout): Document.
2233 (-fdump-translation-unit): Use `=' as filename separator.
2235 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2237 * Makefile.in (s-mlib): Don't build multilibs if
2239 (DRIVER_DEFINES): Adjust accordingly.
2241 (protoize.o): Likewise.
2242 (unprotoize.o): Likewise.
2243 * configure.in: Recognize --enable-multilib.
2245 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2247 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2249 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2250 * configure.in: Remove --enable-libstdcxx_v3 support.
2251 * configure: Regenerated.
2253 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2255 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2256 Call abort instead of fatal.
2257 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2258 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2259 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2260 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2261 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2262 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2264 * diagnostic.h (set_internal_error_function): Renamed.
2265 * toplev.h (internal_error): Renamed from fatal.
2266 (pfatal_with_name): Deleted.
2267 (fatal_io_error): Now has printf-style arguments.
2268 * diagnostic.c (pfatal_with_name): Deleted.
2269 (fatal_io_error): Rework to have args in printf-style.
2270 (set_internal_error_function): Renamed from set_fatal_function.
2271 (internal_error): Renamed from fatal.
2272 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2273 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2274 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2275 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2276 * flow.c (verify_flow_info): Likewise.
2277 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2278 * config/mips/mips.c (save_restore_insns): Likewise.
2280 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2281 * flow.c (verify_flow_info): Likewise.
2282 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2283 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2284 (avr_normalize_condition): Likewise.
2285 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2286 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2287 (limit_reload_class, double_reg_to_memory): Likewise.
2288 (print_operand_address, emit_1600_code_shift): Likewise.
2289 (gen_tst_reg, gen_compare_reg): Likewise.
2290 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2291 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2293 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2295 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2296 * objc/objc-act.c (build_ivar_chain): Likewise.
2297 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2299 * graph.c (clean_graph_dump_file): Likewise.
2300 * profile.c (init_branch_prob): Likewise.
2301 * objc/objc-act.c (objc_init): Likewise.
2303 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2304 * config/avr/avr.c (avr_override_options): Likewise.
2305 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2306 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2307 * config/h8300/h8300.c (h8300_init_once): Likewise.
2308 * config/mips/mips.c (override_options): Likewise.
2309 * config/i386/i386.c (override_options): Likewise, rework.
2310 * config/m68k/m68k.c (override_options): Likewise.
2312 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2314 * config/mips/mips.c (print_operand): Likewise.
2315 * hash.c (hash_allocate): Don't check for failure returns from
2316 obstack functions that can't fail.
2317 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2318 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2319 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2320 (get_object_reference): Likewise.
2322 2001-02-04 Nick Clifton <nickc@redhat.com>
2324 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2325 StrongARM1110, 10TDMI, and 1020T.
2327 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2329 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2331 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2333 * config/sh/sh.md (movdf load split): Pass register number to
2334 FP_OR_XD_REGISTER_P.
2336 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2338 * cppinit.c (BC): New macro.
2339 (builtin_array): Add __GXX_WEAK__.
2340 * cpplib.h (builtin_type): Add BT_WEAK.
2341 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2342 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2343 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2345 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2347 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2349 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2351 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2352 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2354 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2356 * cpphash.h: Rename ALIGN _ALIGN.
2357 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2359 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2361 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2362 compilation environment.
2363 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2364 control over location of cygwin includes and libs.
2366 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2368 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2370 2001-02-02 lars brinkhoff <lars@nocrew.org>
2372 * md.texi (Standard Names): remove reference to spur.md.
2374 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2376 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2377 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2378 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2379 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2380 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2382 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2384 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2385 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2386 number before reload.
2387 (c4x_adjust_cost): Return zero before reload.
2388 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2389 split before reload.
2391 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2393 * c4x.c (c4x_hard_regno_rename_ok): New.
2394 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2395 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2397 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2399 * diagnostic.h: Add missing "extern" in all declarations.
2401 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2403 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2404 as for gcc_gxx_include_dir.
2406 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2408 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2410 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2412 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2413 label before alignment to be used as the braf base address.
2414 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2416 (casesi_jump_2): Require at least TARGET_SH2.
2418 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2419 truncation to 32-bit doubles on -m3e and -m4-single-only.
2421 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2423 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2424 the default when building a shared object.
2425 (init_spec): Use it.
2426 * testsuite/lib/g++.exp: Include the directory where libgcc
2427 is located to the LD_LIBRARY_PATH list.
2428 * invoke.texi (-shared-libgcc): Document the cases in which
2429 GCC defaults to using the shared libgcc.
2431 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2433 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2434 unsigned is wide enough.
2436 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2437 (si_to_float): Likewise.
2438 (float_to_si, float_to_usi): Use BITS_PER_SI.
2440 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2442 * dwarf2out.c: Added explanation of abbreviations.
2443 (def_cfa_1): Added comments listing DWARF2 instructions.
2444 (cfa_temp_reg): Removed in favor of cfa_temp.
2445 (cfa_temp_value): Removed in favor of cfa_temp.
2446 (cfa_temp): New global variable.
2447 (dwarf2out_frame_debug_expr): Added extensive introductory
2448 comments explaining the function's transformations. Revised to
2449 use cfa_temp. Added some rtx checking. Generalize IOR case.
2450 (dwarf2out_frame_debug): Revised to use cfa_temp.
2451 (output_aranges): Cast as "unsigned" to avoid warning.
2452 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2453 explain which instructions must be marked.
2455 2001-02-01 Richard Henderson <rth@redhat.com>
2457 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2460 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2462 * config/sh/crt1.asm (main_k): Modified so that start calls
2463 ___setup_argv_and_call_main.
2465 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2467 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2468 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2469 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2470 * cppmacro.c (builtin_macro): Set builtin flags here.
2471 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2472 (replace_args): Clarify intent.
2473 (cpp_get_token): Macro expansion tokens get the saved flags.
2475 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2478 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2480 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2483 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2485 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2486 returns Pmode pseudo, but we need ptr_mode.
2487 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2488 Remove bogus conversions; use HOST_WIDE_INT for size.
2489 Don't use TARGET if wrong mode.
2491 * config/i386/i386.c (ix86_compute_frame_size): Allow
2492 stack_alignment_needed to be non-default even if size is zero.
2494 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2496 * (hppa_init_pic_save): Emit the pic offset table
2497 reg save after last_parm_insn.
2498 * pa.c (hppa_init_pic_save): New function.
2499 * pa.h (hppa_init_pic_save): Declare.
2500 * pa.md (call, call_value, sibcall, sibcall_value): Use
2501 the above instead of duplicated code.
2503 * pa.c (hppa_encode_label): Correct size of alloca buffer
2504 so we don't overrun it. Correct leading `*' case.
2505 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2506 need to handle `*@'.
2507 (FUNCTION_NAME_P): Likewise.
2509 2001-01-31 Richard Henderson <rth@redhat.com>
2511 * config.gcc (alpha-osf5): Use float-i128.h.
2513 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2514 * config/float-i32.h: Likewise.
2515 * config/float-i64.h: Likewise.
2516 * config/float-sh.h: Likewise.
2517 * config/float-sparc.h: Likewise.
2519 2001-01-31 DJ Delorie <dj@redhat.com>
2521 * expmed.c (extract_bit_field): allow non-integral modes if we
2522 want to extract a whole register from itself.
2524 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2526 * c-typeck.c (set_init_index): If first is equal to last, assume as
2527 if it was not a range at all.
2529 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2531 * config/fp-bit.c: Include tm.h.
2532 (float_to_si): Don't assume SImode is 32-bits wide.
2533 (float_to_usi): Likewise.
2535 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2537 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2539 (typename): Call pending_xref_error after parsing typed_typespecs.
2540 * c-decl.c (lookup_tag): Give error immediately rather than
2541 leaving it pending if the tag of the wrong type is in the same
2543 (xref_tag): Don't pedwarn for forward declarations of enum types
2545 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2548 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2550 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2552 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2554 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2555 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2557 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2559 * cpphash.h (struct cpp_reader): New saved_flags.
2560 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2561 to avoid a paste after a pasted token.
2563 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2565 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2566 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2567 Wtype_MIN instead of LONG_MIN.
2569 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2571 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2573 * fixinc/fixincl.x: Regenerated.
2574 * fixinc/inclhack.def (irix_limits_const): New definition to
2575 convert "const" to "__const" in limits.h.
2577 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2579 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2581 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2583 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2584 when register dies in the insn.
2586 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2588 * diagnostic.c (fatal): Fix word wrap.
2590 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2592 * combine.c (try_combine): Fix SUBREG setting for
2593 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2595 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2597 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2600 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2602 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2604 * toplev.c (decode_W_option): Update warn_larger_than
2605 unconditionally for each processed switch.
2607 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2609 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2611 (hppa_expand_prologue): Delete code to save pic offset table register
2612 in the function prologue.
2613 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2614 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2615 table register at the beginning of the function after the prologue.
2617 2001-01-29 lars brinkhoff <lars@nocrew.org>
2619 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2621 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2622 Jeff Law <law@redhat.com>
2624 * pa.md (return): Revise comment for trivial return.
2625 (return_internal): Non-trivial return pattern for non-PIC code.
2626 (return_internal_pic): Non-trivial return pattern for PIC code.
2627 It uses the PIC register to ensure it is restored after
2629 (epilogue): Generate appropriate return for PIC and non-PIC code.
2631 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2633 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2635 2001-01-29 DJ Delorie <dj@redhat.com>
2637 * combine.c (if_then_else_cond): Pass the correct mode to
2638 operand_subword() for constants.
2640 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2642 * config/i386/cygwin.h: Add w32api to include search. Search different
2643 directories in a cross-build environment.
2645 2001-11-29 Tim Josling <tej@melbpc.org.au>
2647 * tree.h (TYPE_STUB_DECL): Add documentation.
2649 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2651 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2652 (sdbout_field_types): Likwise. Fix use of host_integerp.
2654 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2656 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2659 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2661 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2662 to use flag_gnu_linker.
2664 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2666 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2667 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2669 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2671 * tree.c, tree.h (build_parse_node): Remove; was identical to
2673 * c-lang.c (start_cdtor), objc/objc-act.c
2674 (build_module_descriptor): Use build_nt instead of
2677 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2679 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2680 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2681 not have any upper bits set.
2683 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2685 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2687 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2689 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2691 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2693 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2694 (integer_minus_one_node): Define.
2696 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2698 * Makefile.in (bootstrap2-lean): Fix typo.
2700 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2702 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2703 : Don't set fe_value.
2704 * cpplib.h (AVOID_LPASTE): New flag.
2705 (struct cpp_hashnode): Remove fe_value.
2706 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2707 * cppmacro.c (builtin_macro): Don't set flags here.
2708 (replace_args): Set AVOID_LPASTE flag on first token of an
2709 argument, and the token following it.
2710 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2711 macro expansion, and on the token following it. Do it for
2713 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2715 2001-01-27 Richard Henderson <rth@redhat.com>
2717 * config/alpha/t-ieee: Remove multilibbing.
2718 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2720 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2722 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2724 * Makefile.in: Remove all dependencies on defaults.h.
2725 * builtins.c: Don't include defaults.h.
2726 * c-common.c: Likewise.
2727 * c-decl.c: Likewise.
2728 * c-pragma.c: Likewise.
2729 * c-typeck.c: Likewise.
2730 * combine.c: Likewise.
2732 * frame-ia64.c: Likewise.
2733 * cppexp.c: Likewise.
2734 * crtstuff.c: Likewise.
2735 * dbxout.c: Likewise.
2736 * dwarf2out.c: Likewise.
2737 * dwarfout.c: Likewise.
2738 * emit-rtl.c: Likewise.
2739 * except.c: Likewise.
2741 * final.c: Likewise.
2742 * frame-dwarf2.c: Likewise.
2743 * libgcc2.c: Likewise.
2744 * optabs.c: Likewise.
2745 * profile.c: Likewise.
2746 * sdbout.c: Likewise.
2747 * toplev.c: Likewise.
2748 * tradcif.y: Likewise.
2750 * varasm.c: Likewise.
2752 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2754 * builtins.c (expand_builtin_fputs): Use size_one_node when
2755 transforming into fwrite.
2757 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2759 * extend.texi (Attribute Syntax): New section.
2761 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2763 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2764 they didn't need fixing.
2766 2001-01-27 Janis Johnson <janis@us.ibm.com>
2768 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2770 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2771 to remove macro definitions that are duplicated from elfos.h.
2773 2001-01-27 Richard Henderson <rth@redhat.com>
2775 * config/i386/sco5gas.h: Move ...
2776 * config/usegas.h: ... here.
2777 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2779 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2781 * c-typeck.c (struct constructor_stack): Add range_stack member.
2782 (really_start_incremental_init): Clear it.
2783 (push_init_level): Save constructor_range_stack and clear it if
2784 pushing explicit braces.
2785 (pop_init_level): abort if constructor_range_stack is non-zero at
2786 explicit closing brace. Restore saved constructor_range_stack if
2789 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2791 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2792 into register was forced into memory.
2794 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2796 * Makefile.in: Remove uses of + before $(MAKE).
2798 2001-01-26 Richard Henderson <rth@redhat.com>
2800 * stmt.c (cost_table): Remove.
2801 (COST_TABLE, cost_table_initialized): New.
2802 (estimate_case_costs): Use the later instead of the former.
2803 (balance_case_nodes): Likewise.
2805 2001-01-26 Richard Henderson <rth@redhat.com>
2807 * alias.c (objects_must_conflict_p): Read-only slots may not
2808 conflict despite having the same type.
2810 2001-01-27 Michael Hayes <mhayes@redhat.com>
2812 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2814 (check_ext_dependant_givs): Initialise u_start_val and
2816 (load_mems): Make last_max_reg unsigned.
2817 (try_swap_copy_prop): Use INSN_P and initialise set.
2819 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2821 * README.AVR : Removed.
2823 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2825 * pa-64.h (text_section): Remove declaration.
2827 * pa.md (return_internal): Remove mode on PIC register use.
2829 2001-01-25 lars brinkhoff <lars@nocrew.org>
2831 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2832 ASM_CLOSE_PAREN): fix typos.
2834 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2836 * acconfig.h: Define `const' to the empty string if neither
2837 __STDC__ nor __cplusplus is defined.
2838 * config.in: Regenerated.
2840 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2842 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2843 * collect2.c (main): Delete importf. Add ".obj" file extension.
2844 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2845 (aix_std_libs): Add additional AIX libraries to skip.
2846 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2847 * config/rs6000/aix51.h: New file.
2849 2001-01-25 Michael Hayes <mhayes@redhat.com>
2851 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2852 (loop_insn_emit_before): No longer static.
2853 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2854 (loop_givs_rescan, load_mems): Likewise.
2855 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2856 (maybe_eliminate_biv_1):
2857 (move_movables): Replace emit_call_insn_before with
2858 loop_call_insn_hoist.
2859 * loop.h (loop_insn_emit_before): Add.
2860 * unroll.c (copy_loop_body): Replace emit_insn_before with
2861 loop_insn_emit_before.
2863 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2865 * diagnostic.c (fatal): Request preprocessed source.
2867 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2869 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2870 olddecl has argument types and newdecl has none, use the argument
2873 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2875 * dwarf2out.c (prefix_of): New function. Determine longest common
2876 prefix of the two arguments. The units are whole path components.
2877 (output_file_names): When adding a new directory find the one entry
2878 with the longest common prefix already in the list. Artificially
2879 generate entry if there is none for this prefix.
2880 Fix test to check whether the zeroth directory entry is used.
2882 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2884 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2885 Changed all callers. Take it into account when deciding if a
2886 previously loaded value matches.
2888 2001-01-24 Richard Henderson <rth@redhat.com>
2890 * reload.c (find_reloads_subreg_address): Fail the substitution
2891 if the resulting address is insufficiently aligned.
2893 2001-01-24 DJ Delorie <dj@redhat.com>
2895 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2896 check the original operand's mode also.
2897 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2899 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2901 * c-parse.in (cast_expr): Move compound literals from here ...
2902 (primary): ... to here. Use standard terminology "compound
2903 literal" instead of "constructor expression".
2905 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2907 * gcc.1, cpp.1: Regenerate.
2909 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2911 * calls.c (emit_library_call_value_1): Memory slot for
2912 pass-by-reference argument should have the mode of the argument,
2913 not of the pointer to it.
2915 2001-01-24 Tom Tromey <tromey@redhat.com>
2917 * gcc.texi (G++ and GCC): Mention gcj manual.
2918 (Standards): Link to section of manual mentioning gcj/Java
2921 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2923 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2924 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2925 * tradcpp.c (main): Add -imacros or -include'd dependencies
2927 * cpp.texi (-M, -MM): Document -M -include behaviour.
2929 2001-01-24 Roger Collins <roger@ProProject.com>
2931 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2933 2001-01-24 Will Cohen <wcohen@redhat.com>
2935 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2936 whether registers are 32 bits or 64 bits in size.
2938 2001-01-24 Ben Elliston <bje@redhat.com>
2940 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2942 2001-01-24 Richard Henderson <rth@redhat.com>
2944 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2945 (builtin_longjmp): Use it instead of emit_indirect_jump.
2947 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2949 * bb-reorder.c (make_reorder_chain_1): Handle case where
2950 jump edge goes to the same block as the fallthru edge.
2952 2001-01-23 Jim Wilson <wilson@redhat.com>
2954 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2955 * frame.h (__ia64_personality_v1): Add prototype.
2956 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2957 prototype form. Add void * cast to first argument to personality
2959 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2960 (asctoe113): Likewise.
2961 * config/ia64/frame-ia64.c: Include eh-common.h.
2962 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2964 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2966 (itanium_split_issue): Add prototype.
2967 (gen_nop_type): Ifdef out.
2968 (find_best_packet): Initialize best_packet.
2969 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2971 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2972 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2973 (flushrs): Add explicit stop bit at end.
2974 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2977 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2979 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2981 * libgcc2.c (__terminate_func): Make variable static.
2982 (__terminate_set_func): New function to set __terminate_func.
2983 * libgcc2.h (__terminate_func_ptr): New typedef.
2984 (__terminate_set_func): New function.
2986 2001-01-23 Richard Henderson <rth@redhat.com>
2988 * flow.c (init_propagate_block_info): Don't consider unchanging
2989 memories for dead frame store elimination.
2991 2001-01-23 Richard Henderson <rth@redhat.com>
2993 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2994 * defaults.h: ... here.
2996 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2998 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3000 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3002 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3004 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3006 * rs6000.h (rs6000_return_addr): Move prototype from here...
3007 * rs6000-protos.h (rs6000_return_addr): ...to here.
3008 (rs6000_init_expanders): Delete prototype.
3010 2001-01-23 Nick Clifton <nickc@redhat.com>
3012 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3013 (Spec Files): Document %B and %j and %. and %v3 and %M and
3014 %{S*&T} spec switches.
3016 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3018 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3020 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3021 Neil Booth <neil@daikokuya.demon.co.uk>
3023 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3024 Have -Werror make pedantic warnings errors, like the
3027 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3029 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3031 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3033 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3034 * integrate.c (expand_inline_function): Initialize them.
3035 (subst_constants): If changing COMPARE so that both its arguments
3036 will be VOIDmode and the comparison mode will be lost, note
3037 compare_mode. Use the recorded compare_mode to optimize
3040 2001-01-23 Jason Merrill <jason@redhat.com>
3042 * dwarf2out.c (new_die): Use xcalloc.
3043 (output_die): Abort rather than emit a local reference to offset 0.
3045 2001-01-17 Andrew Haley <aph@redhat.com>
3047 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3048 of a saved register; return NULL instead.
3049 (copy_reg): Take a pointer to a source register rather than a
3051 (next_stack_level): Remember the address in the stack frame of all
3053 Use the saved register pointer array as the source of the CFA.
3054 (throw_helper): Rewrite. Unwind once rather than twice and keep
3055 track of saved registers as we go.
3057 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3059 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3060 * c4x.c (c4x_legitimize_reload_address): Remove.
3061 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3062 reload address for ldp(k) insn.
3064 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3066 * pa.md (return_internal): Add a USE of the PIC register to ensure
3067 it is restored after each call.
3068 (return expander): Corresponding changes.
3070 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3072 * rs6000.h (INIT_EXPANDERS): Delete.
3073 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3074 * rs6000.c (rs6000_override_options): Call *_machine_status from
3076 (rs6000_init_expanders): ...instead of here. Delete.
3077 (rs6000_mark_machine_status): New function.
3078 (rs6000_init_machine_status): Use xcalloc.
3079 (rs6000_return_addr): Generate RTX for the return address.
3080 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3081 (rs6000_stack_info): Use it.
3083 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3085 * gthr-win32.h: Include errno.h to get a declaration for
3086 EINVAL and _mingw.h if the target is mingw32.
3088 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3090 * cpp.texi: Correct typos.
3092 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3094 * explow.c (probe_stack_range): Ensure value passed to
3095 stack_check_libfunc is ptr_mode, not Pmode.
3097 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3099 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3100 case, don't use operand_subword to calculate a SUBREG that is
3103 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3105 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3107 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3108 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3109 valid. If not replace it by equivalent insns.
3111 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3113 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3114 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3115 (c4x_U_constraint, symbolic_address_operand): Likewise.
3116 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3118 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3119 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3120 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3121 anulling slot because of silicon bug.
3122 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3124 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3126 * cppexp.c (parse_charconst): Change `mask' type to agree
3129 2001-01-21 Richard Henderson <rth@redhat.com>
3131 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3132 pic_label_name in a linkonce section.
3134 2001-01-17 Philipp Thomas <pthomas@suse.de>
3136 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3138 * configure: Regenerate.
3140 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3142 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3143 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3145 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3147 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3148 If REVERSE nonzero then condition code in X must be reversed.
3149 (encode_section_info): Optimise if/else.
3150 (avr_function_value): Fix formatting.
3152 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3153 (difficult_branch): Likewise.
3154 (rvbranch): Likewise.
3155 (difficult_rvbranch): Likewise.
3157 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3159 * config/avr/libgcc.S: Fix comment.
3161 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3163 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3165 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3167 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3169 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3171 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3172 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3173 * configure, config.in: Regenerate.
3174 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3175 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3176 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3177 (doprint.o): New rule.
3179 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3181 * c-typeck.c (digest_init): Handle boolean types as scalars.
3183 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3185 * stmt.c (expand_return): Don't return anything if size is zero.
3186 Delete redundant assignment to BYTES.
3187 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3189 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3191 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3192 the same as the default library function names.
3193 * config/avr/avr.md: Document special characters after '%'.
3194 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3195 knowing which of the call-used registers are really clobbered.
3196 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3197 New. Both quotient and remainder from one libgcc.S call.
3198 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3199 clobber as few registers as possible.
3200 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3202 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3204 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3205 context of the top of the stack.
3207 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3209 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3210 (fixup_var_refs_insns): ...here.
3212 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3214 * function.c (fixup_var_refs_insns): Break up into
3215 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3216 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3217 [loop over hash table entries].
3218 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3219 fixup_var_refs_insns_with_hash, to match above changes.
3221 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3223 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3224 (libgcc.a): Likewise.
3225 (stmp-multilib): Likewise.
3226 (STAGE2_FLAGS_TO_PASS): Likewise.
3228 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3230 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3231 temporary if no_new_pseudos.
3233 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3235 * cppinternals.texi: Update.
3237 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3239 * arm.c (arm_init_builtins): Re-enable builtins.
3241 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3243 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3244 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3245 element to be null, and always expect an EXPR_LIST.
3246 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3247 * sched-deps.c (sched_analyze_1): Likewise.
3248 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3250 * regclass.c (max_set_parallel): New variable.
3251 (reg_scan): Take it into account in computation of max_parallel.
3252 (reg_scan_mark_refs, case SET): Compute it.
3254 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3256 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3257 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3259 2001-01-19 Jason Merrill <jason@redhat.com>
3261 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3262 for the abstract instance of an inline function.
3264 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3265 J"orn Rennecke <amylaar@redhat.com>
3267 * reload1.c (move2add_note_store): Treat all registers directly or
3268 indirectly derived from a base register as members of the same set
3270 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3271 of base register into account.
3273 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3275 * alias.c (find_base_value): Recognize TRUNCATE.
3276 (record_set): In PLUS case, invalidate if other summand is also a
3279 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3281 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3282 entry to be EXPR_LIST.
3283 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3284 be an EXPR_LIST (but not null, which other code doesn't allow).
3285 (note_stores): Properly handle PARALLEL in SET.
3286 Recursively call for top-level PARALLEL.
3287 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3288 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3290 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3292 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3294 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3295 not pfile->skipping (== 0).
3297 2001-01-17 Nick Clifton <nickc@redhat.com>
3299 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3302 2001-01-17 Jim Wilson <wilson@redhat.com>
3304 * invoke.texi (IA-64 options): Improve.
3306 2001-01-17 Tom Tromey <tromey@redhat.com>
3308 * invoke.texi (Optimize Options): Use `{}' to around @samp
3311 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3313 * invoke.texi (-fno-guess-branch-probability): New option.
3315 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3317 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3318 case of making new double-word constant.
3319 Revert last change: instead just test i3_subst_into_i2.
3321 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3323 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3324 Use q constraints instead of r.
3326 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3328 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3329 (machine_function): Define.
3330 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3331 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3332 pa_free_machine_status): New functions.
3333 (override_options): Set {init,mark,free}_machine_status to above.
3334 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3335 PIC_OFFSET_TABLE_REGNUM_SAVED.
3336 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3337 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3338 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3339 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3340 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3342 2001-01-15 DJ Delorie <dj@redhat.com>
3344 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3348 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3350 * flow.c (propagate_on_insn): Make trying to delete a prologue
3351 or epilogue insn an ICE, not a warning. Allow doing this if
3352 the current function returns with stack pointer depressed.
3354 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3355 I3 having more than one SET.
3357 2001-01-16 Jim Wilson <wilson@redhat.com>
3359 * invoke.texi: Document IA-64 options.
3361 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3362 (fixup_errata): Delete TARGET_A_STEP use.
3363 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3364 (TARGET_SWITCHES): Delete -ma-step option.
3365 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3366 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3367 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3368 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3369 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3370 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3372 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3373 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3374 cmovsi_internal): Delete ! TARGET_A_STEP check.
3376 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3378 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3379 possibility to report bugs via postal mail. Change a URL and
3380 merge in a nearly duplicate statement...
3381 (Bug Reporting): ...from here.
3382 (Service): Refer to the Bug Reporting section instead of
3384 (Contributing): Remove trivial explanations concerning snapshots.
3386 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3388 * cppmain.c (general_init): Don't use ANSI prototype.
3390 2001-01-16 Tom Tromey <tromey@redhat.com>
3392 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3394 2001-01-16 Richard Henderson <rth@redhat.com>
3396 * config/i386/i386.h: Fix comment typo.
3397 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3398 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3400 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3402 * gcc.c: Revert previous -fsyntax-only-related change; move
3405 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3407 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3408 inmode after checking GET_CODE (op).
3410 2001-01-16 Richard Henderson <rth@redhat.com>
3412 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3413 (MAX_MEM_SET_LIST_LEN): New.
3414 (propagate_one_insn): Update mem_set_list_len.
3415 (invalidate_mems_from_autoinc): Likewise.
3416 (invalidate_mems_from_set): Likewise.
3417 (mark_used_regs): Likewise.
3418 (init_propagate_block_info): Likewise. Stop collecting memories
3419 when we reach MAX_MEM_SET_LIST_LEN.
3420 (mark_set_1): Likewise.
3422 2001-01-16 Richard Henderson <rth@redhat.com>
3424 * unroll.c (precondition_loop_p): Fail if no iteration
3427 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3429 * gcc.c: When -fsyntax-only is given, do not complain about
3432 2001-01-15 Richard Henderson <rth@redhat.com>
3434 * config/i386/i386.c (asm_output_function_prefix): Remove.
3435 (ix86_asm_file_end): New.
3436 (load_pic_register): Generate pic_label_name into a
3437 staticly allocated buffer.
3438 * config/i386/i386-protos.h: Update.
3439 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3440 (ASM_FILE_END): New.
3441 * config/i386/i386afe.h: New file.
3442 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3443 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3444 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3445 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3446 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3447 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3448 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3450 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3452 * Makefile.in (install-man): Remove explicit dependency on
3455 * configure.in, configure: Revert previous patch requiring perl
3458 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3460 * toplev.c (flag_guess_branch_prob): New.
3461 (f_options): Add guess-branch-probability option.
3462 (rest_of_decl_compilation): Only estimate branch probability if
3464 (main): set flag_guess_branch_prob.
3466 * flags.h (flag_guess_branch_prob): New.
3468 2001-01-15 DJ Delorie <dj@redhat.com>
3470 * gcc.texi (Makefile): Add documentation for Makefile targets.
3472 2001-01-15 Philip Blundell <philb@gnu.org>
3474 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3476 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3477 (is_pic): Delete declaration.
3478 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3479 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3480 * config/arm/arm.md (builtin_setjmp_receiver): New.
3482 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3484 * arm.c (use_return_insn): Don't try to determine the function type
3485 until after reload has completed.
3486 (arm_output_epilogue): Don't adjust the sp value recovered from the
3488 (emit_multi_reg_push): Don't record dwarf information for the pc.
3489 * arm.md (eh_epilogue): The function type may have changed, so it
3490 needs to be recalculated.
3491 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3492 unwind tables on arm/netbsd.
3494 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3496 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3497 (negated_cbranchsi4): Likewise.
3499 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3501 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3502 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3503 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3504 pass -mapcs-* options to assembler.
3505 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3506 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3507 (ASM_SPEC): Call subtarget_extra_asm_spec.
3509 2001-01-15 Andreas Jaeger <aj@suse.de>
3511 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3513 (ix86_expand_builtin): Likewise.
3515 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3516 warning about comparison between signed and unsigned.
3518 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3520 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3522 2001-01-14 Ralf Baechle <ralf@gnu.org>
3524 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3525 SUBTARGET_CPP_SPEC apropriatly.
3527 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3529 * varasm.c (make_decl_rtl): Fix typo in last change.
3531 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3533 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3534 linker supports the init_priority C++ attribute.
3535 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3536 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3537 linker does not support init_priority C++ attribute.
3539 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3541 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3543 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3545 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3546 * cp/lex.c (finish_parse): Similarly.
3547 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3548 Return the number of errors encountered.
3549 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3550 * cppmain.c (main): Don't call cpp_destroy.
3552 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3554 * configure.in: Require at least perl 5.6.0 to regenerate
3556 * configure: Regenerate.
3558 2001-01-14 Richard Henderson <rth@redhat.com>
3560 * genrecog.c (DT_veclen_ge): New.
3561 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3562 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3563 (nodes_identical_1): Handle DT_veclen_ge.
3564 (write_cond, debug_decision_2): Likewise.
3566 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3568 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3570 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3572 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3574 * cppmain.c (do_preprocessing): New function; most of the old
3576 (main): Call it to do most of the work.
3577 (cb): Move from global scope to set_callbacks ().
3578 (setup_callbacks): Get the callback pointer.
3579 (general_init, printer_init): Clean up code and comments.
3581 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3583 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3586 2001-01-14 Kazu Hirata <kazu@hxi.com>
3588 * config/h8300/h8300.c (get_shift_alg): Update comments.
3590 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3592 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3593 (alloc_page, ggc_alloc): Add casts to remove warnings.
3595 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3597 * combine.c (simplify_comparison): Don't change `code' when
3598 can't reverse comparison.
3600 2001-01-14 Richard Henderson <rth@redhat.com>
3602 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3603 update all call sites. Return true for all non-label constants.
3605 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3607 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3609 (ix86_expand_branch): Update.
3610 (ix86_expand_setcc): Update to handle multiple test conditions.
3611 (expand_int_movcc): Likewise.
3612 (expand_fp_movcc): Likewise.
3613 * i386-protos.h (ix86_expand_compare): New.
3614 * i386.md (andqi_?_slp, orqi_?_slp): New.
3615 (conditional trap expander): Update call to ix86_expand_compare.
3617 2001-01-14 Richard Henderson <rth@redhat.com>
3619 * config/vax/vax.md: Use nonimmediate_operand instead of
3620 general_operand in destinations.
3622 * config/vax/vax.md (indirect_jump): Use register_operand.
3624 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3625 * config/vax/vax.md (call_pop): Turn into an expander.
3626 (call_value_pop): Likewise.
3627 (call, call_value): New.
3629 2001-01-14 Andreas Jaeger <aj@suse.de>
3631 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3633 (ix86_fp_compare_mode): Add unused attribute.
3634 (ix86_expand_fp_movcc): Remove unused variable.
3635 (ix86_expand_builtin): Make fcode unsigned.
3637 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3638 (expand_expr): Add cast to avoid signed warning.
3639 (store_field): Likewise.
3640 (store_constructor_field): Likewise.
3641 (store_constructor): Likewise.
3642 (store_expr): Likewise.
3643 (clear_storage): Likewise.
3644 (emit_group_store): Likewise.
3645 (emit_group_load): Likewise.
3647 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3649 * c-common.c: Move format checking code to ...
3650 * c-format.c: ... here. New file. Reorder some functions and
3652 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3654 * c-common.h (decl_handle_format_attribute,
3655 decl_handle_format_arg_attribute): Declare.
3656 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3657 (c-common.o): Adjust dependencies.
3658 (c-format.o): New list of dependencies.
3660 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3662 * unroll.c (loop_iterations): If we cannot prove iteration variable
3663 is set once in each iteration, punt.
3665 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3667 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3668 (*strlenhi): Remove clobber (which was buggy) of output address.
3670 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3672 * Makefile.in (generated-manpages): Add gcc.1
3673 ($(srcdir)/gcc.1): New target.
3674 (maintainer-clean): Delete $(srcdir)/gcc.1.
3675 * gcc.texi: Add macros @gccoptlist and @gol.
3676 * invoke.texi: Include option summary in manpage. Mark up option
3677 summary with @gccoptlist and @gol. Use @r in one place where
3679 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3680 * gcc.1: Generate from invoke.texi.
3682 2001-01-13 Richard Henderson <rth@redhat.com>
3684 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3685 (struct page_entry): Add group member.
3686 (struct page_group): New.
3687 (struct globals): Add page_groups member.
3688 (alloc_anon): Only define for using mmap; remove valloc call.
3689 (page_group_index): New.
3690 (set_page_group_in_use): New.
3691 (clear_page_group_in_use): New.
3692 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3693 (free_page, release_pages): Likewise.
3694 * configure.in (with-gc): Default to ggc-page always.
3696 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3698 * reload1.c (replace_pseudos_in_call_usage): Use
3699 reg_equiv_constant and reg_equiv_address, and don't try
3700 regno_reg_rtx first.
3702 2001-01-13 Richard Henderson <rth@redhat.com>
3704 * ggc-page.c (alloc_page): Round up allocation size to one page.
3705 Set e->order on extra pages.
3707 2001-01-13 Richard Henderson <rth@redhat.com>
3709 * genrecog.c (nodes_identical): Expand commentary.
3710 (write_switch): Watch out for identical nodes.
3712 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3714 * cppfiles.c (_cpp_fake_include): New function.
3715 * cpphash.h (_cpp_fake_include): New.
3716 * cpplib.c (do_line): Call _cpp_fake_include when entering
3717 header files in preprocessed input.
3718 * cppmain.c (cb_pragma_implementation): Remove handling.
3719 (setup_callbacks): Don't register pragmas.
3721 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3723 * extend.texi: Udate for CPP.
3725 2001-01-13 Andreas Jaeger <aj@suse.de>
3727 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3729 * regmove.c: Add prototype for replace_in_call_usage.
3731 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3733 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3734 struct cpp_chunk, struct htab, struct toklist,
3735 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3736 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3737 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3738 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3739 (struct macro_args): Delete.
3740 * cpphash.h: See above.
3742 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3744 * cppmain.c (struct printer): Remove no_line_dirs.
3746 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3747 : Use options rather than CPP_OPTION.
3748 (setup_callbacks): Use cb rather than pfile->cb.
3749 (main): No need to check for a buffer. Use cpp_errors.
3750 (printer_init): Don't set no_line_dirs.
3751 (maybe_print_line): Use options not no_line_dirs.
3752 (cb_file_change): Don't call print_line if -P.
3754 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3756 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3758 * c-parse.in (finish_parse): Use cpp_errors.
3759 (__yylex): Use return value of cpp_pop_buffer.
3760 * cp/lex.c (finish_parse): Use cpp_errors.
3761 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3763 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3765 * README.AVR: URLs corrected.
3767 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3769 * c-decl.c (start_function): Don't warn if old prototype is builtin
3770 that's not in C's namespace.
3771 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3772 (_bb): Add prototype for ctime.
3773 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3775 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3777 * i386.c (ix86_fp_comparison_arithmetics_cost,
3778 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3779 ix86_fp_comparison_cost): New functions.
3780 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3781 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3782 two-branch sequences; make static.
3783 (ix86_use_fcomi_compare): Do decision according to the costs.
3784 (split_fp_branch): New.
3785 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3786 * i386-protos.h (ix86_expand_fp_compare): Remove
3787 (ix86_split_fp_branch): Declare.
3789 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3790 and ix86_comparison_operator.
3792 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3795 * i386.c (put_condition_code): Output properly the unordered/ordered
3796 compares in fp case.
3797 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3799 * tm.texi (REVERSE_CONDITION): Document.
3800 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3801 in -ffast-math mode.
3802 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3804 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3806 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3808 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3811 * config/sh/sh.c (mova_p): Fix test for mova_const.
3813 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3815 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3816 cpp_get_options rather than dereferencing pfile and using
3818 * scan-decls.c (scan_decls): Use return value of
3819 cpp_pop_buffer rather than CPP_BUFFER.
3821 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3823 * cppinit.c (cpp_handle_option): help_only is now part of the
3824 cpp_options structure.
3825 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3826 cpp_set_callbacks): New functions.
3827 * cpplib.h (cpp_callbacks): Break out as a named structure.
3828 (cpp_options): Move help_only here from cpp_reader.
3829 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3830 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3831 cpp_set_callbacks): New prototypes.
3832 * cppmain.c (main): Update for help_only.
3834 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3836 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3837 Also build and remove and install and uninstall c-tree.info and
3839 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3840 ($(srcdir)/cppinternals.info): New target.
3841 * c-tree.texi: Change file name used when makeinfo used without -o
3842 from ir.info to c-tree.info. Add info directory entry.
3843 * cppinternals.texi: Add info directory entry.
3844 * .cvsignore: Update.
3846 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3848 * c-typeck.c (store_init_value): Don't require constant initializer
3849 elements with -pedantic -std=c99.
3850 (digest_init): Change error about non-constant initializer elements
3852 (constructor_range_end): Remove.
3853 (constructor_incremental, designator_depth,
3854 designator_errorneous): New variables.
3855 (struct constructor_stack): Remove range_end, add incremental.
3856 (struct constructor_range_stack, constructor_range_stack): New.
3857 (struct initializer_stack): Add constructor_range_stack.
3858 (finish_init): Set it.
3859 (start_init): Likewise. require_constant_elements for non-static
3860 trees only if not flag_isoc99.
3861 (really_start_incremental_init): Remove constructor_range_end, add
3862 constructor_incremental.
3863 (pop_init_level): Likewise.
3864 (push_init_level): Likewise. If implicit and the subobject had some
3865 value set already, preinitialize the level with it.
3866 Warn about missing braces only if not pushing due to designators.
3867 (set_designator, push_range_stack): New functions.
3868 (set_init_label): Use them.
3869 (set_init_index): Likewise. Remove constructor_range_end.
3870 Error if designator index is outside of array bounds.
3871 (add_pending_init): Compare values of purpose index trees, not the
3872 trees themselves. Allow overwriting of already initialized element.
3873 Issue a warning if it had side-effects.
3874 (set_nonincremental_init, set_nonincremental_init_from_string): New
3876 (pending_init_member): Rename to...
3877 (find_init_member): ...this function. Call set_nonincremental_init
3878 if necessary. Compare values of purpose index trees, not the trees
3879 themselves. Return the actual value, not just non-zero if something
3881 (output_init_element): Remove checks for duplicates.
3882 If field has zero size, only check the initializer for correctness.
3883 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3884 if constructor_incremental is zero. Change error about initializers
3885 not computable at load time into pedwarn.
3886 (output_pending_init_elements): Compare bit positions, not
3887 FIELD_DECLs to take into account zero-sized fields.
3888 (process_init_element): Use constructor_range_stack to fill all
3889 ranges in the designator lists from current level up.
3890 * extend.texi: Update documentation for labeled elements.
3892 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3894 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3895 to function usage for arguments passed by reference. Optimize
3896 callee-copied arguments.
3897 * regmove.c (replace_in_call_usage): New function.
3898 (fixup_match_1): Call it.
3899 * cse.c (cse_insn): Canonicalize registers in function usage.
3900 * reload1.c (replace_pseudos_in_call_usage): New function.
3903 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3906 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3908 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3911 2001-01-12 DJ Delorie <dj@redhat.com>
3913 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3914 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3917 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3919 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3920 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3921 -std options alongside references to -ansi. Update some
3922 documentation for C99.
3923 * cpp.1: Regenerate.
3925 2001-01-12 Andreas Jaeger <aj@suse.de>
3927 * haifa-sched.c (restore_line_notes): Remove argument block B
3929 * sched-ebb.c (schedule_ebb): Change caller.
3930 * sched-rgn.c (schedule_region): Likewise.
3931 * sched-int.h (restore_line_notes): Adjust prototype.
3933 * loop.h: Remove wrong declaration of doloop_condition_get.
3935 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3937 * extend.texi: Move C++-extension-related node from the C section
3938 into the C++ section.
3940 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3942 * extend.texi: Refer to an array of pointers to functions instead
3943 of one of functions.
3945 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3946 Jan Hubicka <jh@suse.cz>
3948 * combine.c (reversed_comparison): Fix typo in last patch.
3950 (combine_reversed_comparison_code): Make static to follow
3951 prototype declaration.
3953 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3955 * install.texi: Remove misplaced duplicate entry.
3957 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3959 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3961 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3963 * final.c: (leaf_function_p): Fix typo.
3965 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3967 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3968 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3970 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3971 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3972 mmap_anon, and valloc is available.
3973 * ggc-page.c: Restructure ifdef logic to match new autoconf
3974 spec. Don't throw away the test page in init_ggc.
3976 * configure, config.in: Regenerate.
3978 2001-01-12 Michael Hayes <mhayes@redhat.com>
3980 * loop.h (total_biv_increment): Constify iv_class pointer.
3981 (struct induction): Replace `mem_mode' with `mem' rtx.
3982 * unroll.c (total_biv_increment): Constify iv_class pointer.
3983 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3984 (find_mem_givs, combine_givs_p): Likewise.
3985 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3987 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3989 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3991 (__gthread_getspecific): Ditto.
3993 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3995 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3996 put_condition_code): Convert fp comparison codes to integer
3998 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4001 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4002 * i386-protos.h (no_comparison_operator): Kill.
4004 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4006 * combine.c (REVERSIBLE_CC_MODE): Remove.
4007 (reversible_comparison_p): Remove.
4008 (combine_reversed_comparison_code): New.
4009 (reversed_comparison): New.
4010 (combine_simplify_rtx): Use
4011 combine_reversed_comparison_code/reversed_comparison instead
4012 of reversible_comparison_p.
4013 (simplify_if_then_else): Likewise.
4014 (simplify_set): Likewise.
4015 (simplify_logical): Likewise.
4016 (if_then_else_cond): Likewise.
4017 (known_cond): Likewise.
4018 (simplify_comparison): Likewise.
4020 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4022 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4023 sizeof (int) is larger than sizeof(__word__).
4025 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4027 * cppinit.c (do_includes): Fix typo.
4029 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4031 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4032 in S_REGS does not occur because not all sources are possible
4033 when a S_REGS is a destination (sometimes needs a clobber).
4034 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4035 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4036 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4037 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4038 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4039 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4040 (lshrdi_const1, lshrsi3_const16): Likewise.
4041 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4042 (*movhi_68hc12, *movqi_68hc12): Likewise.
4043 (movstrictqi): Make sure reloading in D_REGS as a destination
4046 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4048 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4050 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4052 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4053 -D, -U and -A, and don't initialize the builtins.
4054 (do_includes): Error if -include or -imacros with -fpreprocessed.
4055 * cppmain.c (cb_define, cb_undef): Unconditionally process
4057 * tradcpp.c (main): Fix typo.
4059 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4061 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4062 (read_name_map): Use IS_ABSOLUTE_PATH.
4063 * tradcpp.c (get_filename): Likewise.
4065 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4067 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4068 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4069 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4070 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4071 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4072 (cmphi_z_used): Don't use '@' for the output.
4073 (tstqi_z_used): Likewise.
4074 (cmpqi_z_used): Likewise.
4075 (one_cmplsi2): Likewise.
4077 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4079 * config/sh/sh.c (barrier_align): Recognize branch around far
4080 branch and redundant insn.
4082 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4084 * invoke.texi: Restore documentation of the drivers' switches -MD
4087 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4089 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4091 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4092 check-objc//%): Support parallel testing of multilibs.
4093 (TESTSUITEDIR): Set to testsuite by default, but override for
4095 (check-gcc, check-g++, check-g77, check-objc): Enter
4098 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4100 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4101 * sched-deps.c (deps_may_trap_p): Likewise.
4102 * basic-block.h: Remove a comment.
4103 * flow.c (PROP_POSTRELOAD): Remove.
4104 (update_life_info): Don't add it to prop_flags.
4105 (mark_set_1): Lose the code that was enabled by it.
4107 2001-01-11 Michael Hayes <mhayes@redhat.com>
4109 * flow.c (flow_call_edges_add): New.
4110 * basic_block.h (flow_call_edges_add): New.
4112 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4114 * reload1.c (move2add_note_store): Update reg_set_luid even if
4115 base reg remains the same.
4117 2001-01-10 Nick Clifton <nickc@redhat.com>
4119 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4120 machine_function structure to zero.
4121 Add prototypes for machine_status functions.
4123 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4125 * c-common.h (CTI_VOID_LIST): Remove.
4126 (void_list_node): Likewise.
4127 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4128 (void_list_node): New macro.
4129 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4130 * config/i386/i386.c (ix86_init_builtins): Likewise.
4131 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4133 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4135 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4136 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4138 * tradcpp.c: Include mkdeps.h.
4139 (deps, print_deps_phony_targets, deps_append, output_deps,
4140 init_dependency_output, output_deps): New.
4141 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4142 deps_output): Delete.
4143 (print_deps_missing_files): Rename deps_missing_files.
4144 (inhibit_output): Make global.
4145 (main): Delete inhibit_output, deps_stream, deps_target.
4146 Use mkdeps functionality in the same way as cpplib. Remove
4147 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4148 -M and -MM. Remove old handling of deps via deps_out, and
4149 old reading of environment variables.
4150 (get_filename): Update to use deps_add_dep.
4152 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4154 * output.h (make_function_rtl): Remove prototype.
4155 (make_decl_rtl): Likewise.
4156 * varasm.c (make_function_rtl): Remove.
4157 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4158 than from a third parameter.
4159 * tree.h (make_decl_rtl): Remove last parameter.
4160 * c-decl.c (builtin_function): Remove last argument in call to
4161 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4162 (start_function): Likewise.
4163 * except.c (call_get_eh_context): Likewise.
4164 * expr.c (emit_block_move): Likewise.
4165 (clear_storage): Likewise.
4166 * profile.c (output_func_start_profiler): Likewise.
4167 * toplev.c (rest_of_decl_compilation): Likewise.
4168 * objc/objc-act.c (create_builtin_decl): Likewise.
4169 (synth_module_prologue): Likewise.
4170 (generate_static_reference): Likewise.
4171 (build_selector_reference_decl): Likewise.
4172 (build_class_reference_decl): Likewise.
4173 (build_objc_string_decl): Likewise.
4174 (build_protocol_reference): Likewise.
4176 2001-01-10 Richard Henderson <rth@redhat.com>
4178 * hwint.h: Revert yesterday's change.
4180 2001-01-10 Nick Clifton <nickc@redhat.com>
4182 * function.h (save_machine_status): Delete.
4183 (restore_machine_status): Delete.
4184 Amend comment describing {init|mark|free}_machine_status.
4186 * function.c (save_machine_status): Delete.
4187 (restore_machine_status): Delete.
4188 Amend comment describing {init|mark|free}_machine_status.
4189 (push_function_context_to): Remove invocation of
4190 save_machine_status.
4191 (pop_function_context_from): Remove invocation of
4192 restore_machine_status.
4194 * emit-rtl.c (init_emit_once): Amend comment describing
4195 {init|mark|free}_machine_status.
4197 * tm.texi (Per-Function Data): New node. Describe the
4198 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4201 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4203 * cppinit.c (OPT_g): Remove.
4204 (cpp_handle_option): Update for removed -g3.
4205 (print_help): Update.
4206 * cpplib.h (struct cpp_options): Remove debug_output.
4207 * cppmain.c (setup_callbacks, cb_define): Update.
4208 * gcc.c (cpp_options): Translate -g3 to -dD.
4210 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4212 * config/i960/i960.md: Change modifier to + on the zero_extract
4213 pattern after the (rotate -2 reg) canonicalization pattern.
4215 2001-01-10 Richard Henderson <rth@redhat.com>
4217 * config/alpha/alpha.c (alpha_free_machine_status): New.
4218 (override_options): Install it.
4219 (alpha_mark_machine_status): Verify machine non-null.
4220 * config/i386/i386.c (ix86_free_machine_status): New.
4221 (override_options): Install it.
4222 (ix86_init_machine_status): Use xcalloc.
4223 (ix86_mark_machine_status): Verify machine non-null.
4224 * config/ia64/ia64.c (ia64_free_machine_status): New.
4225 (ia64_override_options): Install it.
4226 (ia64_mark_machine_status): Verify machine non-null.
4228 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4230 * function.c (instantiate_virtual_regs): Instantiate virtual
4231 registers found in CALL_INSN_FUNCTION_USAGE.
4233 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4235 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4236 equivalent to -ansi in disabling -Di386.
4238 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4240 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4242 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4244 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4246 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4248 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4250 * invoke.texi: Document that -fcond-mismatch isn't supported for
4253 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4255 * gcc.texi: Define macro gcctabopt.
4256 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4257 @command, @env and @option in some places where appropriate. Use
4258 @gcctabopt where appropriate. Put URLs and email addresses inside
4261 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4263 * gcc.c (cpp_options): Set MD file name from output
4264 filename, if specified.
4265 (suffix_subst): New static variable.
4266 (do_spec): Clear it.
4267 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4269 (give_switch): Handle suffix_subst.
4271 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4273 * invoke.texi: Fix another typo.
4275 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4277 * invoke.texi: Fix typo.
4279 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4281 * c-lang.c (lang_hooks): Update.
4282 (lang_decode_option): Remove.
4283 (lang_init_options): Rename c_init_options.
4284 * toplev.c (main): Use lang_hooks for lang_init_options
4285 and lang_decode_option.
4286 * toplev.h (lang_hooks): Add 2 new hooks.
4287 * tree.h: Remove lang_init_options and lang_decode_option.
4288 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4289 * cp/decl2.c: Similarly.
4290 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4291 (lang_hooks): Update.
4292 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4294 (lang_init_options): Rename ffe_init_options.
4295 (lang_hooks): Update.
4296 (lang_decode_option): Remove.
4297 * java/lang.c (lang_init_options): Rename java_init_options.
4298 (lang_decode_option): Rename java_decode_option.
4299 (lang_hooks): Update.
4300 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4301 (lang_decode_option): Rename objc_decode_option.
4302 (lang_hooks): Update.
4304 2001-01-09 Nick Clifton <nickc@redhat.com>
4306 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4307 (d30v_return_addr_rtx): Delete.
4308 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4309 cfun->machine structure.
4310 (struct machine_function): Move to d30v.h
4311 (d30v_save_machine_status): Delete.
4312 (d30v_restore_machine_status): Delete.
4313 (d30v_init_machine_status): New Function.
4314 (d30v_mark_machine_status): New Function.
4315 (d30v_free_machine_status): New Function.
4316 (d30v_init_expanders): Use new functions.
4317 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4318 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4319 d30v_return_addr_rtx.
4321 * config/d30v/d30v.h (struct_machine): Move here.
4322 Add eh_epilogue_sp_ofs field.
4324 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4325 field in cfun->machine structure.
4327 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4329 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4330 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4331 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4333 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4335 * objc/lang-options.h: Remove bogus reference to
4338 2001-01-09 Kazu Hirata <kazu@hxi.com>
4340 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4343 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4345 * reload.c (find_reloads_address): Check for eliminable registers
4346 when substituting a constant expression for a pseudo.
4348 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4350 * c-common.c (enum format_type): Add format_type_error.
4351 (decode_format_type): New function.
4352 (decl_attributes): Use it.
4353 (format_kind_info): Adjust comment.
4355 2001-01-09 David O'Brien <obrien@BSDi.com>
4357 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4358 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4360 * config/i386/gnu.h: Don't include required platform specific .h files,
4361 tm.h will do it instead.
4362 * config/i386/i386elf.h: Likewise.
4363 * config/i386/linux.h: Likewise.
4364 * config/i386/moss.h: Likewise.
4365 * config/mips/gnu.h: Likewise.
4367 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4369 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4370 (rs6000-ibm-aix3.[01]*): Likewise.
4371 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4372 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4373 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4374 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4375 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4376 (powerpc-*-eabiaix*): Likewise.
4377 (powerpc-*-eabisim*): Likewise.
4378 (powerpc-*-elf*): Likewise.
4379 (powerpc-*-eabi*): Likewise.
4380 (powerpc-*-rtems*): Likewise.
4381 (powerpc-*-linux*libc1): Likewise.
4382 (powerpc-*-linux*): Likewise.
4383 (powerpc-wrs-vxworks*): Likewise.
4384 (powerpcle-wrs-vxworks*): Likewise.
4385 (powerpcle-*-sysv*): Likewise.
4386 (powerpcle-*-elf*): Likewise.
4387 (powerpcle-*-eabisim*): Likewise.
4388 (powerpcle-*-eabi*): Likewise.
4389 (powerpcle-*-solaris2*): Likewise.
4390 * config/rs6000/aix31.h: Delete includes.
4391 * config/rs6000/aix3newas.h: Likewise.
4392 * config/rs6000/aix41.h: Likewise.
4393 * config/rs6000/aix43.h: Likewise.
4394 * config/rs6000/beos.h: Likewise.
4395 * config/rs6000/rtems.h: Likewise.
4396 * config/rs6000/sysv4.h: Likewise.
4398 2001-01-09 Kazu Hirata <kazu@hxi.com>
4400 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4401 Change an argument mode of machine_mode to shift_mode of
4402 shift_mode. Remove an extra error check.
4403 (emit_a_shift): Adopt to the new calling prototype of
4405 (function_prologue): Fix code for a monitor
4406 function. Support H8/S.
4407 (function_epilogue): Do not output pop for a monitor function.
4409 2001-01-09 Nick Clifton <nickc@redhat.com>
4411 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4412 (setup_incoming_varargs): Use sysv_varargs_p field of the
4413 cfun->machine structure.
4414 (struct machine_function): Move to rs6000.h
4415 (rs6000_save_machine_status): Delete.
4416 (rs6000_restore_machine_status): Delete.
4417 (rs6000_init_machine_status): New Function.
4418 (rs6000_free_machine_status): New Function.
4419 (rs6000_init_expanders): Use new functions.
4421 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4423 (struct machine_function): Move here.
4425 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4426 sysv_varargs_p field of the cfun->machine structure.
4428 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4430 (rs6000_restore_machine_status): Remove prototype.
4432 2001-01-09 Richard Henderson <rth@redhat.com>
4434 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4435 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4436 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4437 (sched_analyze_2, sched_analyze_insn): Likewise.
4438 (sched_analyze, init_deps): Likewise.
4439 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4440 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4441 (compute_block_backward_dependences): Update propagate_deps call.
4443 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4445 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4447 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4449 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4450 (cpp_handle_option): Handle them.
4451 (cpp_post_options): Ensure one of -M or -MM is specified with
4452 any other -M? option.
4453 (init_dependency_output): Suppress output with -MG.
4455 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4458 * invoke.texi: Update.
4460 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4462 * sh.md (reload_outsf): Generate recognizable patterns for
4465 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4467 * c-lang.c (lang_hooks): Update.
4468 (lang_init): Rename c_init.
4469 (lang_finish): Remove.
4470 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4472 * toplev.h (lang_hooks): Add init () and finish ().
4473 * tree.h (lang_init, lang_finish): Remove.
4474 * cp/tree.h (lang_init, lang_finish): Remove.
4475 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4476 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4478 (lang_init, lang_finish): Remove.
4479 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4480 (lang_hooks): Update.
4481 * java/lang.c (lang_init): Rename java_init.
4482 (lang_finish): Remove.
4483 (lang_hooks): Update.
4484 * objc/objc-act.c (lang_init): Rename objc_init.
4485 (lang_finish): Remove.
4486 (lang_hoooks): Update.
4488 20001-01-09 Graham Stott <grahams@redhat.com>
4490 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4491 after `ptr` is initialised.
4493 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4495 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4496 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4497 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4498 stack adjusts, instead of r3.
4500 2001-01-09 Michael Hayes <mhayes@redhat.com>
4502 * flow.c (flow_loop_scan): Break out of ...
4503 (flow_loops_find) ... here.
4504 * basic-block.h (flow_loop_scan): New.
4505 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4506 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4508 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4510 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4512 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4513 realloc()ing macro_buffer.
4515 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4516 if it's wider than long and the target's long is wider than the
4519 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4521 Remove support for using UWIN as a host machine.
4522 * configure.in: Issue an error message.
4523 * configure: Regenerated.
4524 * config.gcc: Remove xm_* UWIN configury.
4525 * config/i386/xm-uwin.h: Remove.
4527 2001-01-08 Nick Clifton <nickc@redhat.com>
4529 * config/v850/v850.c (ra_rtx): Delete.
4530 (v850_save_machine_status): Delete.
4531 (v850_restore_machine_status): Delete.
4532 (v850_init_machine_status): New function.
4533 (v850_mark_machine_status): New function.
4534 (v850_free_machine_status): New function.
4535 (v850_return_addr): Use ra_rtx field in machine structure.
4536 (v850_init_expanders): Use new functions.
4538 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4539 * config/v850/v850.c: Change arguments to v850_output+* functions
4540 to take a const char *, to avoid compile time warning.
4541 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4542 (USER_LABEL_PREFIX): Redefine.
4544 2000-01-08 Jim Wilson <wilson@redhat.com>
4546 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4547 1 to unsigned HOST_WIDE_INT before left shift.
4549 2001-01-08 Nick Clifton <nickc@redhat.com>
4551 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4552 the machine structure has been allocated.
4553 (arm_free_machine_status): New function: Free the machine
4554 specific function structure.
4556 2001-01-08 Richard Henderson <rth@redhat.com>
4558 * jump.c (simplejump_p): Revert last change.
4560 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4562 * cppinit.c (init): Rename init_library.
4563 (cpp_create_reader): Update.
4564 * gcc.c (cpp_options): If -o given, use it as the target of
4567 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4569 * arm.c (arm_arch5e): New variable.
4570 (all_cores): XScale is a 5TE device.
4571 (arm_override_options): Set arm_arch5e.
4572 (arm_init_builtins): __builtin_prefetch is in arch5e.
4573 * arm.h (arm_arch5e): Declare it.
4575 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4577 * arm.md (define_constants): Add defines for UNSPEC and
4578 UNSPEC_VOLATILE insns. Update all users.
4579 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4580 * arm.c (multi_register_push, note_invalid_constants)
4581 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4582 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4583 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4585 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4587 * jump.c (jump_optimize_1): Use reversed_comparison_code
4588 instead of can_reverse_comparison_p.
4589 (jump_back_p): Likewise.
4590 (invert_exp_1): Likewise.
4591 (thread_jumps): Likewise.
4592 * simplify-rtx.c (simplify_unary_operation): Likewise.
4593 (simplify_ternary_operation): Likewise.
4594 * cse.c (find_comparison_args): Convert to use
4595 can_reverse_comparison_p.
4596 (record_jump_equiv): Likewise.
4598 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4600 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4601 (EPILOGUE_USES): Define.
4602 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4603 automatically stack the LR if it isn't live.
4605 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4607 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4610 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4612 * ggc-page.c (max_alignment): New structure.
4613 (MAX_ALIGNMENT): New macro.
4614 (init_ggc): Use it to round up the sizes in the
4615 extra_order_size_table.
4617 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4619 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4622 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4624 * builtins.def (BUILT_IN_FPRINTF): New entry.
4626 * c-common.c (c_expand_builtin_fprintf): New function.
4627 (init_function_format_info): Handle __builtin_fprintf.
4628 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4629 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4631 * c-decl.c (duplicate_decls): Adjust comment.
4633 * extend.texi (fprintf): Document new builtin.
4635 2001-01-07 Richard Henderson <rth@redhat.com>
4637 * jump.c (simplejump_p): Recognize any single_set jump
4640 2001-01-07 Richard Henderson <rth@redhat.com>
4642 * configure.in (slibdir): Accept an --with-slibdir option.
4643 Use "test" not "[" in configure. Default to $(libdir).
4645 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4647 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4648 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4649 (SHLIB_LINK): Create links for the soname.
4650 * config/mips/t-iris6: Likewise.
4651 * config/sparc/t-slibgcc: Likewise.
4652 * config/sparc/t-slibgcc-sld: Likewise.
4654 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4656 * config/i386/i386.c (constant_call_address_operand): Accept
4657 (const (plus (symbol_ref) (const_int))).
4658 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4659 constant_call_address_operand.
4661 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4663 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4664 and LONG_LONG_TYPE_SIZE > 32.
4666 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4668 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4669 the previous change.
4671 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4673 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4675 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4676 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4677 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4680 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4682 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4684 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4686 * c-lang.c (c_post_options): Call cpp_post_options.
4687 * objc/objc-act.c (objc_post_options): Similarly.
4688 * cppmain.c (main): Similarly.
4689 * fix-header.c (read_scan_file): Similarly.
4690 * cppinit.c (cpp_start_read): Move option consistency checks
4691 to cpp_post_options. Don't call init_dependency_output.
4692 If needed, add default target and main file dependency.
4693 (OPT_MD, OPT_MMD): Remove.
4695 (cpp_handle_option): Update for OPT_* changes.
4696 (cpp_post_options): New.
4697 (init_dependency_output): Command line -MF overrides environment
4698 variables. Don't set default target etc. Suppress output
4699 if dependencies are going to stdout.
4700 (print_help): Update.
4701 * cpplib.h (cpp_post_options): New.
4702 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4704 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4706 * jump.c (comparison_dominates_p): Support unordered compares.
4708 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4710 * simplify-rtx.c (simplify_relational_operation): Always simplify
4711 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4714 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4716 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4717 (nonzero_bits): Likewise.
4718 (simplify_comparison): Likewise.
4719 (num_sign_bit_copies): Likewise; return more sane value depending
4720 on STORE_FLAG_VALUE.
4721 (known_cond): Do not assume EQ to be always true for equivalent
4724 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4726 * cse.c (fold_rtx): Handle unordered comparisons.
4728 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4730 * rtlanal.c (set_of_1): New static function.
4731 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4732 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4733 reg_set_last_last_regno): Remove.
4734 (set_of): New global function.
4735 (set_of_data): New structure.
4736 (reg_set_p, reg_set_last): Revamp for set_of.
4737 * rtl.h (set_of): New.
4739 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4741 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4742 * extend.texi: Document _Exit builtin.
4744 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4746 * (initialize, initialize_builtins,
4747 initialize_dependency_output, initialize_standard_includes):
4748 Rename s/initialize/init. Update.
4749 (init_dependency_output): Move to after
4750 cpp_handle_options, the correct location temporally at least.
4751 (opt_comp): Move next to init (), its caller. Fix prototype.
4752 (init): Make "initialized" local scope.
4753 (cpp_create_reader): Always call init ().
4754 (cpp_start_read): Update.
4755 (output_deps): New function, broken out of cpp_finish.
4756 (cpp_finish): Break out output_deps.
4758 2001-01-07 Richard Henderson <rth@redhat.com>
4760 * collect2.c (COFF specific stuff): Revert 12-06 patch
4761 to prototype system functions.
4763 2001-01-07 Michael Hayes <mhayes@redhat.com>
4765 * hard-reg-set.h: Add multiple include guard.
4766 * basic-block.h (struct loop): Add `sink' field.
4767 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4768 (emit_iv_add_mult): Delete.
4769 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4770 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4771 (unroll_loop): Remove end_insert_before argument.
4772 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4773 (maybe_eliminate_biv_1): Likewise.
4774 (emit_iv_add_mult): Delete.
4775 (gen_add_mult, loop_regs_update): New.
4776 (loop_insn_emit_after, loop_insn_emit_before): New.
4777 (loop_insn_sink, loop_insn_sink_or_swim): New.
4778 (emit_iv_add_mult): Delete.
4779 (scan_loop): Set loop->sink.
4780 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4781 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4782 (maybe_eliminate_biv_1): Likewise.
4783 (maybe_eliminate_biv_1): Add basic block argument.
4784 * unroll.c (unroll_loop): Remove end_insert_before argument.
4785 (find_splittable_regs): Likewise.
4786 (find_splittable_regs): Use loop_insn_sink and its ilk.
4787 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4789 2001-01-07 Michael Hayes <mhayes@redhat.com>
4791 * loop.h (loop_insn_hoist): New prototype.
4792 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4793 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4794 (check_dbra_loop, load_mems): Likewise.
4795 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4796 (find_splittable_givs): Likewise.
4798 2001-01-07 Michael Hayes <mhayes@redhat.com>
4800 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4802 2001-01-07 Richard Henderson <rth@redhat.com>
4804 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4806 2001-01-07 Richard Henderson <rth@redhat.com>
4808 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4809 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4810 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4811 variant that handles a shared libgcc.
4812 (process_command): Always validate -{static,shared}-libgcc.
4813 (do_spec_1): New 'M' case.
4814 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4816 2001-01-07 Richard Henderson <rth@redhat.com>
4818 * Makefile.in (slibdir): New variable.
4819 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4820 (installdirs): Create slibdir.
4821 (install-libgcc, install-multilib): Defer to libgcc.mk.
4822 * configure.in (slibdir): Substitute.
4823 * mklibgcc.in (install): New target.
4825 * config/t-linux (SHLIB_LINK): Create links for the soname.
4826 (SHLIB_INSTALL): New.
4827 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4828 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4829 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4830 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4831 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4833 2001-01-07 Richard Henderson <rth@redhat.com>
4835 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4836 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4837 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4839 2001-01-07 Michael Hayes <mhayes@redhat.com>
4841 * loop.c (count_loop_regs_set): Delete.
4842 (load_mems_and_recount_loop_regs_set): Delete.
4843 (loop_regs_scan): Merge common code from count_loop_regs_set,
4844 scan_loop, and load_mems_and_recount_loop_regs_set.
4845 (scan_loop): Call load_mems directly and loop_regs_scan
4846 again if new registers created.
4848 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4850 * toplev.c (main): Call the front-end specific post_options
4851 hook if one is given.
4852 * toplev.h (struct_lang_hooks, lang_hooks): New.
4853 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4854 for the C front end.
4855 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4856 lang_hooks for the C++ front end.
4857 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4858 lang_hooks for the ObjC front end.
4859 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4860 * java/lang.c (lang_hooks): Hooks for the Java front end.
4862 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4864 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4865 for verbose DWARF[2] debugging.
4866 (cb_define, cb_undef): The new callbacks.
4867 * toplev.h (debug_define, debug_undef): Make const correct.
4868 * toplev.c (debug_define, debug_undef): Similarly. Do not
4869 perform the verbosity tests here anymore.
4871 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4873 * reload.c (subst_reloads): Take INSN argument. When
4874 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4875 * reload.h (subst_reloads): Adjust prototype.
4876 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4877 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4878 present in JUMP_INSNs and copy them to JUMP_LABEL.
4879 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4880 JUMP_INSNs and insns with REG_LABELs that are followed by
4881 JUMP_INSNs with the same REG_LABEL.
4882 * sched-rgn.c (is_cfg_nonregular): Likewise.
4883 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4885 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4887 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4889 2001-01-06 Richard Henderson <rth@redhat.com>
4891 * loop.c (scan_loop): Use xcalloc for the regs array.
4892 (load_mems_and_recount_loop_regs_set): Zero the new memory
4893 received from xrealloc.
4895 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4897 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4899 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4901 * integrate.c (copy_rtx_and_substitute): When copying
4902 an ignored return value, strip REG_FUNCTION_VALUE_P.
4904 2001-01-06 Michael Hayes <mhayes@redhat.com>
4906 * loop.c (debug_biv, debug_giv): New.
4907 (loop_biv_dump): Break out from ...
4908 (record_biv): ... here.
4909 (loop_giv_dump): Break out from ...
4910 (record_giv): ... here.
4911 (loop_bivs_check): Use print_simple_rtl.
4912 * unroll.c (loop_iterations): Use print_simple_rtl.
4914 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4916 * pa.md (return, return_internal): Modify patterns to prevent regrename
4917 mucking with the return pointer.
4919 2001-01-05 Richard Henderson <rth@redhat.com>
4921 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4923 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4925 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4926 version supplied by Matteo Frigo.
4928 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4930 * cpp.texi: Update for -MQ.
4931 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4932 (cpp_cleanup): Always free pfile->deps.
4933 (initialize_dependency_output): Don't create pfile->deps.
4934 (cpp_handle_option): Similarly.
4936 * gcc.c (cpp_options): Handle -MQ.
4937 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4938 * mkdeps.c (base_name): Remove.
4939 (deps_init): Don't allocate vector space until it's needed.
4940 (deps_free): Only free vectors if allocated.
4941 (deps_add_target, deps_add_dep): Update for initial allocation.
4942 (deps_add_default_target): Don't strip to the base_name.
4944 2001-01-05 DJ Delorie <dj@redhat.com>
4946 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4947 (INIT_EXPANDERS): Define.
4949 * config/v850/v850.c (struct machine_function): Define.
4950 (v850_save_machine_status): New function.
4951 (v850_restore_machine_status): New function.
4952 (v850_return_addr): New function.
4953 (v850_init_expanders): New function.
4955 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4956 and v850_init_expanders.
4958 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4960 * cpplib.h (struct cpp_reader): Add help_only field.
4961 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4962 (cpp_handle_option): Set pfile->help_only if we see -h,
4963 --help, -target-help, or --version. Print version string but
4964 do not set help_only if we see -v or -version. Make text
4965 printed by -v match that printed by (-)-version.
4967 * cppmain.c (main): Exit after option parsing if
4968 pfile->help_only is true.
4970 * toplev.c (independent_decode_option): Call print_version,
4971 then exit, if we see --version (but not -version).
4972 (print_version): Split lengthy message into two lines.
4974 2001-01-05 Nick Clifton <nickc@redhat.com>
4976 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4977 temporary string for initialisation before calling ggc_alloc_string.
4979 2001-01-06 Michael Hayes <mhayes@redhat.com>
4981 * rtl.h (print_simple_rtl): New.
4982 * print-rtl.c (print_simple_rtl): New.
4984 (print_rtx): Disable printing of flags and modes, etc.,
4985 if `flag_simple` nonzero.
4987 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4989 * function.c (fixup_var_refs): Use push_to_full_sequence where
4992 2001-01-05 Michael Meissner <meissner@redhat.com>
4994 * flags.h (flag_reorder_blocks): Add declaration.
4995 (flag_rename_block): Ditto.
4997 2001-01-05 DJ Delorie <dj@redhat.com>
4999 * function.c (reorder_blocks): Make sure the flags are all reset
5000 before using them to mark blocks, else a second invocation will
5001 corrupt the block chain.
5002 (reorder_blocks_0): New, resets the flags.
5004 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5006 * cse.c (find_comparison_args): Stop if the argument is known to
5009 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5011 * config/sh/sh.md (movdf): When splitting load into pair of
5012 registers, don't clobber the register used in the address too
5015 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5017 * varasm.c (mark_constant_pool): Improve initial comments.
5018 (mark_constants): Move marking of constants to mark_constant.
5019 (mark_constant): New function to recursively mark all constants
5020 referred to by a constant.
5022 2001-01-05 Catherine Moore <clm@redhat.com>
5024 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5026 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5028 * cp/lang-options.h: Bring comment in line with reality.
5029 * f/lang-options.h: Likewise.
5030 * java/lang-options.h: Likewise.
5031 * objc/lang-options.h: Likewise.
5032 * ch/lang-options.h: Likewise.
5033 * f/g77.texi: And update the manual.
5035 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5036 Denis Chertykov <denisc@overta.ru>
5038 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5039 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5040 * config/avr/avr.md (all peepholes that request a scratch register):
5041 Call it, FAIL the peephole if not safe (in interrupt functions).
5043 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5045 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5047 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5049 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5051 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5052 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5053 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5054 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5055 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5057 * extend.texi: Document these builtins.
5059 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5061 * c-common.c (lang_get_alias_set): Say we know nothing of
5062 VECTOR_TYPE aliasing.
5064 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5066 2001-01-05 Bruce Korb <bkorb@gnu.org>
5068 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5069 their x* equivalent versions for atexit-less systems
5070 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5071 systems (or any other system any more).
5073 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5075 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5076 output operands. Use arm_hard_register_operand for operand 4.
5077 (stmsi_postinc): Similarly.
5078 (ldmsi): Use arm_hard_register_operand for opernand 2.
5080 * arm.c (arm_hard_register_operand): New function.
5081 * arm-protos.h (arm_hard_register_operand): Prototype it.
5083 * arm.h (HARD_REGNO_RENAME_OK): Define.
5085 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5087 * simplify-rtx.c (cfc_args): add "unordered" field.
5088 (check_fold_consts): Set unordered field.
5089 (simplify_relational_operation): Simplify the unordered
5092 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5095 * emit-rtl.c (try_split): Fix code to mark labels.
5096 * jump.c (mark_jump_label): Make global.
5097 * rtl.h (mark_jump_label): Declare.
5099 * predict.c (estimate_probability): Handle unordred comparisons.
5101 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5103 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5104 * cppinit.c (initialize_dependency_output): Update.
5105 (cpp_finish): Output dummy targets for -MP.
5107 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5108 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5109 * gcc.c (cpp_options): Update to handle -MP.
5110 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5111 to quote only the default target.
5112 (deps_phony_targets): Insert a preceding newline. Rename from
5113 deps_dummy_targets for consistency.
5116 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5118 * calls.c (emit_library_call_value_1): Support
5119 INIT_CUMULATIVE_LIBCALL_ARGS.
5120 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5122 2001-01-04 Richard Henderson <rth@redhat.com>
5124 * c-decl.c (finish_struct): Detect flexible array members
5125 used in an inappropriate context.
5126 * c-typeck.c (really_start_incremental_init): Special case
5127 constructor_max_index for zero length arrays.
5128 (pop_init_level): Allow initialization of flexible array
5129 members. Deprecate initialization of zero length arrays.
5130 Don't issue missing initializer warning for flexible array
5131 members or zero length arrays.
5132 (process_init_element): Don't dereference null DECL_SIZE.
5133 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5134 Don't abort for empty constructors. Use size_binop
5135 (output_constructor): Add commentary regarding zero length
5136 array futures. Abort if we try to initialize an array of
5137 unspecified length with a non-empty constructor in the middle
5140 * extend.texi (Zero Length): Update and clarify documentation
5141 on static initialization.
5143 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5145 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5146 with more than 32767 words of local storage.
5148 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5150 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5151 for 'abs', 'labs', and 'fabs'.
5152 (c4x_expand_builtin): Likewise.
5153 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5155 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5157 * config/sh/sh.md (prget, prset): New insn types.
5158 (return delay slot): Dont' allow prset.
5159 (call, sfunc delay slot): Don't allow prget.
5160 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5161 for prset and prget.
5163 2001-01-05 Michael Hayes <mhayes@redhat.com>
5165 * loop.h (struct loop_reg): New.
5166 (struct loop_regs): Change to use array of `struct loop_reg'.
5167 * loop.c: Replace assortment of varrays with single regs array.
5168 (count_one_set): Delete may_not_move array argument
5169 and use regs array instead. All caller's changed.
5170 (count_loop_regs_set): Delete may_not_move and single_usage
5171 arguments and use regs array instead. All caller's changed.
5172 (find_single_use_in_loop): Replace usage array argument with pointer
5173 to regs structure. All caller's changed.
5174 (loop_optimize): Delete `moved_once' array.
5176 2001-01-05 Michael Hayes <mhayes@redhat.com>
5178 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5179 Use it instead of loop_info->has_call for scanning loop mems.
5180 (check_dbra_loop): Replace loop_info->has_call test with
5181 loop_info->has_nonconst_call.
5183 2000-01-04 Matthew Hiller <hiller@redhat.com>
5185 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5188 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5190 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5191 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5193 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5195 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5196 (flag_short_double, flag_short_wchar): Define.
5197 (c_common_nodes_and_builtins): Create many tree nodes shared
5198 between C and C++ here instead of in cp/decl.c and ...
5199 * c-decl.c (init_decl_processing): ... here.
5200 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5201 (flag_short_double, flag_short_wchar): Don't define.
5202 (record_builtin_type): New function.
5203 (build_void_list_node): New function.
5204 * c-common.h (flag_short_double, flag_short_wchar,
5205 record_builtin_type, build_void_list_node): Declare.
5207 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5209 * integrate.c (expand_inline_function): Don't put a virtual
5210 register into the reg map.
5212 * function.c (fixup_var_refs_1): If force_operand didn't put
5213 the address into the target, move it there.
5215 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5217 Special-case tree_decl/tree_list allocations.
5218 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5219 (OBJECT_SIZE): New macro.
5220 (NUM_EXTRA_ORDER): Likewise.
5221 (extra_order_size_table): New variable.
5222 (NUM_ORDERS): New macro.
5223 (objects_per_page_table): New variable.
5224 (object_size_table): New variable.
5225 (G.pages): Use NUM_ORDERS to bound the array.
5226 (G.page_tails): Likewise.
5227 (DIV_ROUND_UP): Remove.
5228 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5229 (alloc_page): Use OBJECT_SIZE.
5230 (size_lookup): Don't make it const.
5231 (ggc_alloc): Use OBJECT_SIZE.
5232 (ggc_set_mark): Likewise.
5233 (ggc_get_size): Likewise.
5234 (init_ggc): Set up the object_size_table, objects_per_page_table,
5235 and adjust size_lookup.
5236 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5237 (ggc_pop_context): Use NUM_ORDERS.
5238 (clear_marks): Likewise.
5239 (sweep_pages): Likewise.
5240 (poison_pages): Likewise.
5241 (ggc_print_statistics): Use OBJECT_SIZE.
5243 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5245 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5246 Only call array_size_for_constructor if last field and array type
5247 with no upper bound.
5249 2001-01-04 Philip Blundell <philb@gnu.org>
5251 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5252 from bit 31 downwards, if this requires no more insns.
5253 (count_insns_for_constant): New helper function for above.
5255 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5257 * gencodes.c (output_predicate_decls): Remove empty initializer.
5259 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5261 * tree.c (copy_node): Remove documentation about obstacks.
5262 (buidl1): Check that nobody tries to build 2-argument nodes this
5265 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5267 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5270 * gencodes.c (output_predicate_decls): Fill empty initializer
5273 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5275 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5276 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5278 (do_include): Handle missing headers like cpp0.
5279 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5280 paths with first include pathname. Don't strcat to uninitialized
5283 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5285 * regrename.c (regrename_optimize): Don't rename from frame pointer
5286 if frame_pointer_needed.
5287 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5288 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5289 (ia64_reorg): Use it instead of scheduling if ! optimize.
5290 (errata_emit_nops): Properly call asm_noperands.
5291 (ia64_sched_reorder): Finish cycle if we see an asm.
5292 (ia64_variable_issue): Clear scheduling state after asms.
5294 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5296 * cpp.texi: Update for -MT.
5297 * cppinit.c (initialize_dependency_output): Add a default
5298 target if none has been given already.
5299 (no_tgt, OPT_MT): New.
5300 (cpp_handle_option): Handle -MT. Update -M etc.
5301 * cpplib.h (struct cpp_options): Remove deps_target.
5302 * gcc.c (cpp_options): Handle -MT.
5303 * mkdeps.c (struct deps): Move from mkdeps.h.
5304 (deps_calc_target): Rename deps_add_default_target. Add a
5305 default target if none has been specified already.
5306 * mkdeps.h (struct deps): Move to mkdeps.c.
5307 (deps_calc_target): Rename deps_add_default_target.
5309 2000-01-03 Richard Henderson <rth@redhat.com>
5311 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5313 * c-typeck.c (push_init_level): Move checks for flexible array
5314 members and zero length arrays ...
5315 (pop_init_level): ... here. Silently discard empty initializations.
5317 * varasm.c (output_constructor): Update for sizeof change to
5320 * extend.texi (Zero Length): Clarify semantics.
5322 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5324 * configure.in (tm.h): Include isns-codes.h last.
5325 * configure: Rebuilt.
5327 2001-01-03 Richard Henderson <rth@redhat.com>
5329 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5330 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5332 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5334 * tradcpp.c (main): Make sure finclude() is called with a valid
5335 indepth value while handling -include.
5337 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5339 * gencodes.c (output_predicate_decls): New function.
5341 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5342 even if it is not the first time machmode.h is #included.
5343 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5344 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5345 * gcc.texi (Copyright): Added 2001.
5347 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5349 * c-common.c (c_common_lang_init): New function. Warn if format
5350 warning options which only have effects when used with -Wformat
5351 are used without -Wformat.
5352 * c-common.h (c_common_lang_init): Declare.
5353 * c-lang.c (lang_init): Call c_common_lang_init.
5354 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5356 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5358 * configure.in: Check for the mktemp command.
5359 * configure: Regenerate.
5360 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5361 $TEMP. Create temporary files with mktemp, if available at
5362 configure time; otherwise use set -C. Remove temporary files
5365 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5367 * configure.in: Require at least texinfo 4.0. Check for whether
5368 Pod::Man is sufficiently recent to regenerate GCC manpages.
5369 * configure: Regenerate.
5370 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5372 (GENERATED_MANPAGES): Define.
5373 (generated-manpages): New target. Depend on cpp.1 as well as
5375 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5376 configure to generated-manpages or empty) rather than on the
5377 manpages directly. Remove execute permission from installed
5378 gcov.1 as well as cpp.1.
5379 * cpp.1, gcov.1: Regenerate.
5381 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5383 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5384 tree_low_cst. Allow using cmpstrsi in more cases.
5386 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5388 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5391 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5393 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5394 * Makefile.in (HOST_CFLAGS): Mention build-make.
5396 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5398 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5401 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5403 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5406 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5409 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5410 reg_base_value and reg_known_value arrays.
5411 (init_alias_analysis): Add more cases to detect known values.
5412 * sched-deps.c (deps_may_trap_p): New function.
5413 (sched_analyze_2): Use it.
5415 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5417 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5418 don't discard an ASHIFTRT if we're shifting in a wider mode.
5420 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5422 * toplev.c (rest_of_compilation): Don't print basic block information
5423 when CFG isn't up to date.
5425 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5427 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5428 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5429 (UNALIGNED_SHORT_ASM_OP): Define.
5430 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5432 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5434 * fold-const.c (fold_convert): Fix typo.
5436 2001-01-02 Richard Henderson <rth@redhat.com>
5438 * c-common.h (ASM_INPUT_P): New.
5439 * c-parse.in (asm): Set it when needed.
5440 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5441 existance of an operand.
5443 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5445 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5446 (dwarf2out_frame_debug_expr): Likewise.
5447 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5449 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5451 * i386.c (ix86_split_to_parts): Return number of part required;
5453 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5455 (ix86_split_long_move): Use number of part returned
5456 by ix86_split_to_parts
5457 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5459 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5460 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5461 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5462 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5463 (ALIGN_MODE_128): Add TFmode.
5464 (IS_STACK_MODE): Likewise.
5465 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5466 (HARD_REGNO_OK): Support TFmodes.
5467 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5468 * i386.md (scheduler definitions): Use memory operand to determine
5469 fst/fld instructions; use mode attribute to determine real mode of
5471 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5472 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5474 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5476 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5478 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5480 * expr.c (store_constructor_field): Update ALIGN before calling
5483 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5485 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5488 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5490 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5493 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5495 * c-decl.c (start_function): Don't warn on third parameter to main.
5497 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5499 * tsystem.h: Define HAVE_DECL_GETOPT.
5501 2001-01-02 Philip Blundell <pb@futuretv.com>
5503 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5506 2001-01-02 Richard Henderson <rth@redhat.com>
5508 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5510 2001-01-02 Andreas Jaeger <aj@suse.de>
5512 * c-decl.c (c_decode_option): Remove support of
5515 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5516 (W_options): Add -Wmissing-noreturn here.
5518 * flow.c: Define lang_missing_noreturn_ok_p.
5519 (check_function_return_warnings): Use it.
5521 * c-common.h: Declare lang_missing_noreturn_ok_p.
5523 * c-lang.c (c_missing_noreturn_ok_p): New function.
5524 (lang_init): Set lang_missing_noreturn_ok_p.
5526 * invoke.texi (Warning Options): Document this.
5528 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5530 * extend.texi (C++ Extensions): New node for C++ attributes;
5531 describe init_priority and com_interface.
5532 * invoke.texi: Remove -finit-priority as it now has zero effect.
5533 * install.texi: Fix xref syntax.
5534 * md.texi: Likewise.
5536 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5538 * config.gcc (sparc64-wrs-vxworks*): New case.
5539 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5541 * config/sparc/sparc.c (sparc_override_options): Do support different
5542 pointer and architecture size.
5543 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5544 (POINTERS_EXTEND_UNSIGNED): Define.
5545 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5546 (FUNCTION_MODE): Define to be Pmode.
5547 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5549 * function.c (expand_function_end): Properly handle DECL_RESULT
5550 and copy when ptr_mode != Pmode.
5551 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5553 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5555 * c-common.c (c_common_nodes_and_builtins): Set prototype
5556 parameters for __builtin_fputs, __builtin_fputc and
5557 __builtin_fwrite. Don't declare plain fputc as a builtin.
5559 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5561 * loop.c (add_label_notes): Increment the label usage count when
5562 a note is added to an insn which refers to a CODE_LABEL.
5563 * gcse.c (add_label_notes): Likewise.
5565 2001-01-01 Andreas Jaeger <aj@suse.de>
5567 * loop.c (scan_loop): Use xmalloc to allocate movables.
5569 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5571 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5572 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5573 * reload1.c (REGISTER_MOVE_COST): Likewise.
5574 * regclass.c (REGISTER_MOVE_COST): Likewise.
5575 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5576 dimension. Adjust all users.
5577 (init_reg_sets_1): Iterate on all modes.
5578 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5579 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5580 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5581 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5582 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5583 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5584 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5585 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5586 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5587 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5588 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5589 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5590 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5591 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5592 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5593 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5594 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5595 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5596 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5597 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5598 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5599 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5600 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5601 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5602 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5603 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5604 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5606 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5608 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5609 arg VARIES_P. Call it with extra arg.
5610 (true_dependence): Likewise.
5611 * rtl.h (rtx_addr_can_trap_p): Declare.
5612 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5614 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5615 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5616 pic offset table register if it's zero. All callers changed.
5617 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5619 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5621 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5622 STRING_POOL_ADDRESS_P.
5624 * config/sparc/sparc.c (input_operand): Properly test for short op.
5626 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5627 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5628 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5629 * config/sparc/elf.h: No longer include sol2.h.
5630 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5631 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5633 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5635 2001-01-01 Michael Hayes <mhayes@redhat.com>
5637 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5638 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5639 (record_initial): Likewise.
5640 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5641 (remap_split_bivs): Likewise.
5643 2001-01-01 Michael Hayes <mhayes@redhat.com>
5645 * loop.c (loop_ivs_free): New function.
5646 (strength_reduce): Break out from...
5648 2001-01-01 Michael Hayes <mhayes@redhat.com>
5650 * loop.h (struct iv): New.
5651 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5652 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5653 'reg_biv_class' fields with 'regs' and 'n_regs'.
5654 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5655 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5656 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5658 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5660 * resource.c (mark_referenced_resources): Abort() before
5661 attempting to mark a pseudo register.
5662 (mark_set_resources): Likewise.
5664 2001-01-01 Michael Hayes <mhayes@redhat.com>
5666 * loop.h (REG_IV_CLASS): New accessor macro.
5667 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5668 * unroll.c (REG_IV_CLASS): Likewise.
5670 See ChangeLog.4 for earlier changes.