| blob | 95a676f7925befb45ce490e1ef83957ef8076894 |
1 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
4 references to the MAXPATHLEN macro.
6 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
7 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
8 the POSIX macro.
10 * config/i386/xm-gnu.h, config/xm-gnu.h,
11 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
12 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
13 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
14 and/or unused files.
16 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
17 doing so in various xm-*.h files.
19 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
21 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
23 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
25 * configure.in (enable_shared): Support per-package shared-library
26 enabling.
27 * configure: Rebuilt.
29 2001-03-07 David Edelsohn <edelsohn@gnu.org>
31 * rs6000.md (cr logic): Add original POWER mnemonic alternative
32 for crnot. Set operands[5] in splitter.
34 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
36 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
37 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
38 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
39 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
40 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
41 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
42 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
43 to the USG macro.
45 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
46 config/i370/xm-i370.h, config/i386/xm-dgux.h,
47 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
48 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
49 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
50 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
51 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
52 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
53 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
54 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
55 Delete unused and/or empty files.
57 * config.gcc: Define USG in xm_defines as appropriate. Define
58 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
59 macro. Remove deleted xm-* files from $xm_files variable.
61 2001-03-07 Tom Tromey <tromey@redhat.com>
63 * configure: Rebuilt.
64 * configure.in: Allow config-lang.in to set `lang_requires' to list
65 of other required languages.
67 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
69 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
70 after its emitted.
71 (output_prologue): Use xmalloc not oballoc.
72 (output_epilog): Free a29k_first_epilogue_insn when finished.
73 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
75 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
77 * builtins.c (expand_builtin_mathfn): Check
78 flag_unsafe_math_optimizations, not flag_fast_math.
79 (expand_builtin): Likewise
80 * combine.c (combine_simplify_rtx): Likewise.
81 (simplify_if_then_else): Likewise.
82 * cse.c (fold_rtx): Likewise.
83 * flags.h: Remove flag_fast_math. Add
84 flag_unsafe_math_optimizations and flag_trapping_math.
85 * fold-const.c (negate_expr): Check
86 flag_unsafe_math_optimizations, not flag_fast_math.
87 (invert_truthvalue): Likewise.
88 (fold): Likewise. Before associating operands, check that
89 code == MULT_EXPR, not code != MULT_EXPR.
90 * ifcvt.c (noce_try_minmax): Check
91 flag_unsafe_math_optimizations, not flag_fast_math.
92 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
93 * invoke.texi: Document -funsafe-math-optimizations and
94 -fno-trapping-math. Change documentation for -ffast-math.
95 * jump.c (reversed_comparison_code_parts): Likewise.
96 (rtx_equal_for_thread_p): Likewise.
97 * optabs.c (emit_conditional_move): Likewise.
98 * simplify-rtx.c (simplify_binary_operation): Likewise.
99 (simplify_relational_operation): Likewise.
100 (simplify_ternary_operation): Likewise.
101 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
102 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
103 Add trapping-math and unsafe-math-optimizations entries to f_options.
104 (set_fast_math_flags): New, sets flags for -ffast-math.
105 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
106 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
107 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
109 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
110 (alpha_emit_conditional_move): Initialize local_fast_math to
111 flag_unsafe_math_optimizations, not flat_fast_math.
112 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
113 instead of setting flag_fast_math to 1.
114 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
115 not flag_fast_math.
116 * config/i386/i386.c (override_options): Likewise
117 * config/i386/i386.md: Likewise.
118 * config/m68k/m68k.md: Likewise.
119 * config/mips/mips.md: Likewise.
120 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
121 (rs6000_generate_compare): Likewise.
123 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
125 * Makefile.in: Set RANLIB to @RANLIB@.
126 Remove RANLIB_TEST.
128 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
130 * fixinc/inclhack.def (djgpp_wchar_h): New test.
131 * fixinc/fixincl.x: Regenerated.
133 2001-03-07 Richard Henderson <rth@redhat.com>
135 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
137 2001-03-07 Richard Henderson <rth@redhat.com>
139 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
140 of block notes and exception handling notes.
142 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
143 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
144 (compile_file): ... here.
146 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
150 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
151 config.h now. Include libiberty.h to handle alloca.
153 2001-03-06 Zack Weinberg <zackw@stanford.edu>
155 * c-parse.in (yylexname): New function, split out of _yylex.
156 (objc_rid_sans_at): New table.
157 (init_reswords): Initialize it.
158 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
159 retrieving the next token and checking it for significance as
160 an ObjC keyword or string constant.
162 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
163 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
165 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
166 to CPP_OSTRING.
168 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
170 * config/m68k/m68k.c (const_uint32_operand): Accept any
171 const_int on a 32-bit host.
173 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
175 * objc/objc-act.c (init_objc): Set save_lang_status,
176 restore_lang_status, and mark_lang_status.
178 2001-03-06 Krister Walfridsson <cato@df.lth.se>
180 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
182 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
184 * cppinternals.texi: Update.
186 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
188 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
189 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
190 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
191 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
192 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
193 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
194 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
195 config/i386/xm-i386.h, config/i860/xm-i860.h,
196 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
197 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
198 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
199 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
200 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
201 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
202 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
203 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
204 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
205 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
206 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
207 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
208 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
209 match the defaults provided in hwint.h.
211 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
212 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
214 * config.gcc (xm_file): Don't set to files which are deleted.
216 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
217 guard this file against these macros being undefined.
219 2001-03-06 Zack Weinberg <zackw@stanford.edu>
221 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
222 and DECL_DEFER_OUTPUT on the decl we create, before calling
223 rest_of_decl_compilation.
225 2001-03-06 Zack Weinberg <zackw@stanford.edu>
227 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
228 AC_FUNC_ALLOCA.
229 * configure, config.in: Regenerate.
230 * config.gcc: Remove references to deleted files.
232 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
233 genrecog.c, rtl.c: Do not use alloca anywhere.
235 * Makefile.in, build-make, system.h, config/x-interix,
236 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
237 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
238 config/arc/xm-arc.h, config/arm/xm-arm.h,
239 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
240 config/h8300/xm-h8300.h, config/i370/x-oe,
241 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
242 config/i386/x-ncr3000, config/i386/x-sco5,
243 config/i386/xm-dgux.h, config/i860/x-sysv4,
244 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
245 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
246 config/m68k/x-hp320g, config/m69k/x-mot3300,
247 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
248 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
249 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
250 config/m88k/x-sysv4, config/m88k/x-tekXD88,
251 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
252 config/mips/x-iris, config/mips/x-iris3,
253 config/mips/x-sni-svr4, config/mips/x-sysv,
254 config/mips/xm-iris6.h, config/mips/xm-mips.h,
255 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
256 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
257 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
258 config/pa/xm-papro.h, config/romp/xm-romp.h,
259 config/rs6000/x-aix31, config/rs6000/x-aix41,
260 config/rs6000/x-beos, config/rs6000/x-lynx,
261 config/rs6000/x-mach, config/rs6000/x-rs6000,
262 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
263 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
264 config/sparc/x-sysv4, config/sparc/xm-linux.h,
265 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
266 config/vax/xm-vms.h: Eradicate all references to alloca and
267 related stuff.
269 * config/xm-alloca.h, config/clipper/x-clix,
270 config/i386/xm-sysv4.h, config/i860/x-fx2800,
271 config/i860/x-sysv3, config/m88k/x-sysv3,
272 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
273 (contained only alloca related hacks).
275 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
276 USE_C_ALLOCA.
278 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
280 * invoke.texi: Document __FAST_MATH__.
282 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
284 * crtstuff.c: Restore include of auto-host.h.
286 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
288 Put main() in a separate file, so that the language
289 front-end can use a different main().
291 * main.c: New.
292 * toplev.c: (main): Rename as toplev_main.
293 * toplev.h: Declare toplev_main.
294 * Makefile.in (OBJS): add toplev.o.
295 (BACKEND): remove toplev.o, add main.o.
297 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
299 * cppfiles.c (search_from): Special case the empty string.
301 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
303 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
304 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
305 strlen or strcpy; we already know the length.
306 (_cpp_compare_file_date): Similarly.
307 * cpphash.h (struct cpp_reader): Delete done_initialising.
308 (CPP_PREV_BUFFER): Delete.
309 * cppinit.c (cpp_start_read): Don't set done_initialising.
310 * cpplex.c (parse_string): Guarantee null-termination.
311 (_cpp_equiv_toklists): Remove.
312 * cpplib.c (glue_header_name): Null-terminate.
313 (do_line): Don't leak memory.
314 * cpplib.h (BT_WEAK): Delete.
315 * cppmain.c (cb_ident): Strings are now null-terminated.
317 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
319 * gcc.c (convert_filename): Append executable suffix
320 if NO_AUTO_EXE_SUFFIX is not defined.
321 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
322 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
324 2001-03-03 David O'Brien <obrien@FreeBSD.org>
326 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
327 * c-parse.gperf, c-gperf.h: Delete.
328 (c-gperf.h was accidently re-added to the CVS repo in the rev
329 1.16 commit by tromey)
331 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
333 * cpplex.c (_cpp_lex_token): Don't warn about directives in
334 macro arguments when looking for the '('.
335 * cppmacro.c (funlike_invocation_p): Set parsing_args to
336 2 when really parsing arguments; 1 when looking for '('.
337 Always restore the lexer position.
339 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
341 * longlong.h (umul_ppmm): Don't use a multiline string.
343 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
345 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
346 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
347 t_bool in declaration because pcc can't combine volatile with typedef
348 types.
350 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
352 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
353 until when it is really needed.
354 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
355 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
356 * i386.md (float?i?f splitter): Don't force source operand to memory
357 for SSE.
358 (sse_movdfcc): Fix constraint.
359 (sse_movdfcc splitter): Handle properly the second alternative.
361 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
363 * cpplex.c (parse_string): Unconditionally pedwarn.
365 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
367 * cpp.texi: Update.
368 * cppexp.c (parse_number): Update.
369 * cpplex.c (parse_string): Pedwarn if multiline string does not
370 result from a system header's macro.
371 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
372 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
373 for function-like macros too.
374 * c-lex.c (lex_number): Update.
376 2001-03-03 Richard Henderson <rth@redhat.com>
378 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
380 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
382 * combine.c (try_combine): If split with mode-changed scratch
383 register didn't work, try the original mode.
385 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
387 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
388 * config/c4x/c4x.h: Likewise.
389 * stor-layout.c (compute_record_mode): Likewise.
390 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
392 2001-03-02 Zack Weinberg <zackw@stanford.edu>
394 * configure.in: Kill tm.h. Include the files in the $tm_file
395 list in all three of config.h, hconfig.h, tconfig.h, after the
396 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
397 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
398 * configure: Regenerate.
399 * Makefile.in (clean): Don't delete tm.h.
401 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
402 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
403 those are not defined, set SEC and FEC to 0 and 1.
404 * gcc.texi: Update to match.
406 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
407 * config/fp-bit.c, config/m68k/aux-crt2.asm,
408 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
409 Include tconfig.h, not tm.h.
411 * config/xm-lynx.h, config/xm-std32.h,
412 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
413 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
414 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
415 config/clipper/xm-clix.h, config/convex/xm-convex.h,
416 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
417 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
418 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
419 config/i386/xm-i386.h, config/i860/xm-i860.h,
420 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
421 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
422 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
423 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
424 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
425 config/pa/xm-linux.h, config/pa/xm-pa.h,
426 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
427 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
428 config/pj/xm-pj.h, config/romp/xm-romp.h,
429 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
430 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
431 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
432 config/v850/xm-v850.h, config/vax/xm-vax.h,
433 config/we32k/xm-we32k.h:
434 Don't include tm.h.
435 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
437 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
438 config/i370/xm-oe.h: Don't include tm.h. Don't define
439 SUCCESS_EXIT_CODE.
440 * config/vax/xm-vms.h: Don't include tm.h.
442 * config/xm-lynx.h, config/avr/xm-avr.h,
443 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
444 Delete; made empty by above changes.
445 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
446 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
447 Don't include config/xm-lynx.h or tm.h.
449 * config/xm-gnu.h: Don't include fcntl.h.
450 * config/sparc/xm-lynx.h: Don't include sys/types.h and
451 sys/wait.h.
452 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
454 2001-03-02 Richard Henderson <rth@redhat.com>
456 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
457 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
459 2001-03-02 Richard Henderson <rth@redhat.com>
461 * Makefile.in (OBJS): Add dwarf2asm.o.
462 * dwarf2asm.c, dwarf2asm.h: New files.
463 * dwarf2out.c (*): Use them.
464 (size_of_uleb128, size_of_sleb128): Remove.
465 (output_uleb128, output_sleb128): Remove.
466 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
467 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
468 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
469 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
470 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
471 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
472 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
473 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
474 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
475 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
476 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
477 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
478 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
479 (dwarf2out_frame_debug): Remove unused variables.
480 (output_loc_operands): Don't abort on 8 byte constants if
481 host integers are wide enough.
482 (output_symbolic_ref): Remove.
483 (size_of_die): Don't assume 4 byte host integers.
484 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
485 and end labels.
486 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
487 something stupid with HOST_WIDE_INT to long truncation.
488 [CONST_DOUBLE]: Likewise.
490 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
491 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
492 * config/arm/unknown-elf.h: Likewise.
493 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
494 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
495 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
496 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
497 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
498 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
499 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
500 (ASM_OUTPUT_DWARF_OFFSET): Remove.
501 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
502 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
503 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
504 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
506 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
508 * cselib.c (hash_rtx): Cast enums to unsigned int.
510 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
512 * print-rtl.c (print_rtx): Cast enums to int for comparison.
513 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
514 shifts.
515 * c-format.c (C_STD_VER): Cast to int for comparisons.
516 (check_function_format): Cast various enums to int for &.
517 (maybe_read_dollar_number): Likewise.
518 (check_format_info): Likewise.
519 (check_format_info_main): Likewise.
520 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
521 (safe_from_p): Likewise.
522 * varasm.c (const_hash): Cast enum to int for %.
523 * emit-rtl.c (init_emit_once): Use int loop variable to work around
524 pcc enum problems with < and ++ operators.
525 * regclass.c (init_reg_sets_1): Cast enums for comparison.
526 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
527 (regclass_init): Change enum class to int to iterate over reg_classes.
528 * genrecog.c (merge_trees): Cast enums for comparison.
529 * rtl.h (GET_CODE): Cast to enum rtx_code.
530 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
531 (GET_MODE): Cast to enum machine_mode.
532 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
533 (GET_NOTE_INSN_NAME): Cast enum to int.
534 * tree.h (TREE_CODE): Cast to enum tree_code.
535 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
536 * timevar.c (timevar_print): Change loop variable id from enum to
537 unsigned int.
538 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
539 * config/i386/i386.md: Use PUT_MODE for mode assignment.
540 * toplev.c (compile_file): Cast enum DFI to int.
541 (decode_d_option): Likewise.
543 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
545 * cppinit.c (append_include_chain): Mark "after" include file name list
546 as a system directory.
547 * cpp.texi: Document new behavior.
549 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
551 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
553 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
555 * cppfiles.c (struct include_file): Update.
556 (stack_include_file): Use search_from.
557 (cpp_included, find_include_file): Update.
558 (cpp_execute_include): Update. ptr->name may not be
559 null terminated. Use the new search_from member variable
560 of cpp_buffer.
561 (_cpp_compare_file_date): Similarly.
562 (search_from): New function, similiar to actual_directory.
563 (actual_directory): Delete.
564 (remap_filename): Update. loc->name may not be null terminated.
565 (struct file_name_list): Rename search_path. Update.
566 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
567 search_from and dir.
568 (struct cpp_reader): Remove actual_dirs.
569 * cppinit.c (struct cpp_pending): Update for renamed objects.
570 (append_include_chain, remove_dup_dir, remove_dup_dirs,
571 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
572 * cpplib.h (struct cpp_options): Similarly.
574 2001-03-01 Zack Weinberg <zackw@stanford.edu>
576 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
577 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
578 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
579 config/clipper/xm-clix.h, config/convex/xm-convex.h,
580 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
581 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
582 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
583 config/i370/xm-linux.h, config/i370/xm-mvs.h,
584 config/i370/xm-oe.h, config/i386/xm-aix.h,
585 config/i386/xm-i386.h, config/i386/xm-osf.h,
586 config/i860/xm-i860.h, config/i960/xm-i960.h,
587 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
588 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
589 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
590 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
591 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
592 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
593 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
594 config/pj/xm-pj.h, config/romp/xm-romp.h,
595 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
596 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
597 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
598 config/v850/xm-v850.h, config/vax/xm-vax.h,
599 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
600 Do not define TRUE or FALSE.
602 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
603 empty by above change.
604 * config.gcc: Remove references to these files.
606 * configure.in: Detect stdbool.h.
607 * configure, config.in: Regenerate.
608 * system.h: Include stddef.h here if available.
609 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
610 Then set up a sensible boolean type at the very end.
612 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
613 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
615 * hash.h: Delete 'boolean' typedef and related #undefs.
617 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
618 all uses of 'boolean' with 'bool'.
620 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
622 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
623 * cppexp.c (lex): Cast enums for comparison.
624 * cppinit.c (parse_option): Cast enum for comparison.
625 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
626 (cpp_output_token): Likewise.
627 (cpp_can_paste): Cast enums for comparsion and plus/minus.
628 (cpp_avoid_paste): Cast enums for minus and comparison.
630 2001-03-01 Zack Weinberg <zackw@stanford.edu>
632 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
633 field to all array elements.
635 2001-03-01 Zack Weinberg <zackw@stanford.edu>
637 * cpphash.h (struct cpp_reader): Add print_version field.
638 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
639 just set print_version and other flags as appropriate.
640 (cpp_post_options): Print version here if print_version is set.
642 * toplev.c (exit_after_options): New flag.
643 (independent_decode_option): Don't exit here; just set
644 exit_after_options.
645 (main): Exit after calling lang_hooks.post_options if
646 exit_after_options is true.
648 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
649 (merge_include_chains): Adjust comment to match code.
651 2001-03-01 Zack Weinberg <zackw@stanford.edu>
653 * stringpool.c (set_identifier): New function.
654 * tree.h: Prototype it.
656 * c-parse.in: Kill D_YES. If compiled for objc, call
657 save_and_forget_protocol_qualifiers from init_reswords.
658 * objc/objc-act.c (remember_protocol_qualifiers,
659 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
660 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
661 vice versa.
662 (save_and_forget_protocol_qualifiers): New function.
663 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
665 2001-03-01 Diego Novillo <dnovillo@redhat.com>
667 * c-semantics.c (prune_unused_decls): Return error_mark_node
668 instead of (tree) 1 to stop traversing the tree chain.
670 2001-03-01 Bernd Schmidt <bernds@redhat.com>
672 Fix a problem introduced by Kenner's Feb 18 change.
673 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
674 flag_cse_skip_blocks only temporarily, not for ever.
676 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
678 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
679 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
681 * pa.c (emit_move_sequence): Verify operand0 is a hard register
682 before determining its register class.
684 2001-03-01 Bernd Schmidt <bernds@redhat.com>
686 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
687 from reg 4 if current_function_calls_setjmp.
688 (gen_nop_type): New function.
689 (ia64_emit_nops): New function.
690 (ia64_reorg): Call it.
691 (ia64_sched_reorder): Move code that rotates bundles up a bit.
693 * reload1.c (eliminate_regs_in_insn): Restrict the special case
694 code not to try to optimize adds with anything but a REG destination.
696 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
697 (INSN_PRIORITY_KNOWN): New accessor macro.
698 * haifa-sched.c (priority): Use it instead of testing priority against
699 zero.
701 2001-02-28 DJ Delorie <dj@redhat.com>
703 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
704 since that doesn't work the way gcc wants on a generic m68k.
706 2001-02-28 Richard Henderson <rth@redhat.com>
708 * caller-save.c (save_call_clobbered_regs): Fix typo in
709 comparison last change.
711 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
713 * i386.c (pentium4_cost): New.
714 (m_PENT4): New macro.
715 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
716 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
717 x86_integer_DFmode_moves, x86_partial_reg_dependency,
718 x86_memory_mismatch_stall): Add Pentium4
719 (x86_use_q_reg, x86_use_any_reg): Kill.
720 (override_options): Add pentium4.
721 (incdec_operand): Return 0 for pentium4.
722 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
723 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
724 (TARGET_PENTIUM4): Define.
725 (enum processor_type): Add PROCESSOR_PENTIUM4.
726 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
727 * i386.md (attribute "cpu"): Add pentium4.
728 * invoke.texi (march): Add pentium4.
730 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
732 * i386.md (sse_mov?fcc*): New patterns and splitters.
733 * i386.c (ix86_expand_movcc): Work post-reload; recognize
734 the SSE based conditional moves.
736 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
738 * i386.md (attribute mode): Add "TI".
739 (movsf_1): Add pxor support; remove constant propagation splitter.
740 (movdf_integer): Likewise.
741 (movdf_nointeger): Likewise.
742 (movxf constant prop splitter): Handle all modes; update for SSE.
743 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
744 * i386.c (standard_80387_constant_p): Rewrite.
745 (standard_sse_constant_p): New.
746 * i386-protos.h (standard_sse_constant_p): New.
748 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
750 * i386.md (sse_setccsf, sse_setccdf): New.
751 (sse_cmp* patterns): Use '%D' instead of outputtting condition
752 flag directly.
753 * i386.c (sse_comparison_operator): Accept the supported unordered
754 comparses; be ready for fast_math.
755 (print_operand): Support 'D'.
757 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
759 * jump.c (reversed_comparison_code): Kill.
761 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
763 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
764 for STACK_REGS
766 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
768 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
769 add missing '%' in constraints.
771 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
773 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
774 for HOST_BITS_PER_WIDE_INT == 32 too.
776 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
778 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
779 NREGS.
780 (insert_save, insert_restore): New parameter save_mode.
781 (init_caller_save): Update initialization of reg_save_code
782 and reg_restore_code.
783 (save_call_clobbered_regs): Compute save_modes and update calls to
784 reg_save_code and reg_restore_code.
785 (insert_restore): Unsignetize numbers; use save_modes to choose mode
786 of spill; update use of reg_restore_code.
787 (insert_save): Likewise.
788 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
789 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
790 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
792 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
794 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
795 noce_try_store_flag_inc, noce_try_store_flag_mask,
796 noce_try_cmove_arith):
797 Use reversed_comparison_code instead of reverse_comparison and
798 can_reverse_comparison_p.
800 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
802 * jump.c (reversed_comparison_code_parts): Allow reversal of
803 unordered compares in -ffast-math mode; reverse ordered compares
804 for FP even w/o -ffast-math.
806 2001-02-27 Richard Henderson <rth@redhat.com>
808 * print-rtl.c (print_rtx) [i]: Don't print field five on
809 NOTEs other than NOTE_INSN_DELETED_LABEL.
811 2001-02-27 Zack Weinberg <zackw@stanford.edu>
813 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
814 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
816 2001-02-27 Diego Novillo <dnovillo@redhat.com>
818 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
819 even if walk_subtrees is 0.
820 * c-semantics.c (prune_unused_decls): Return a non-null value to
821 stop traversing the tree chain.
823 2001-02-27 DJ Delorie <dj@redhat.com>
825 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
826 register, *then* define it as the new CFA.
828 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
830 * pa.c (override_options): Promote -fpic to -fPIC.
831 (legitimize_pic_address): Simplify due to removal of
832 small PIC as a code generation option.
833 (secondary_reload_class): Similarly.
834 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
835 (PRINT_OPERAND_ADDRESS): Similarly.
836 * pa.md (various patterns): Similarly.
837 (small pic lo_sum pattern): Remove.
839 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
840 Fergus Henderson
842 * md.texi (min, max): Document
844 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
846 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
847 TARGET_PARTIAL_REG_DEPENDENCY.
848 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
850 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
852 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
854 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
856 * mips.c (mips_make_temp_file): Fix thinko in last change.
858 2001-02-26 Jason Eckhardt <jle@redhat.com>
860 * combine.c (known_cond): Do not reverse the condition when
861 SMAX/UMAX is being considered and the condition is for equality
862 or inequality.
864 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
866 2001-02-26 Philip Blundell <philb@gnu.org>
868 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
869 "armv2-*-linux".
870 * config/arm/linux-elf.h: Remove historical relics related to
871 above configurations.
872 * config/arm/linux-oldld.h: Delete.
873 * config/arm/linux-elf26.h: Delete.
875 2001-02-26 Jason Merrill <jason@redhat.com>
877 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
878 definitions.
879 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
880 recognize a tentative definition. Lose obsolete code.
882 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
883 variables unless necessary, either.
885 2001-02-25 Richard Henderson <rth@redhat.com>
887 * ifcvt.c (struct noce_if_info): Add test_bb.
888 (noce_get_alt_condition): New.
889 (noce_try_minmax, noce_try_abs): New.
890 (noce_operand_ok): New.
891 (noce_process_if_block): Use them.
892 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
894 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
896 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
897 include.
899 2001-02-25 Zack Weinberg <zackw@stanford.edu>
901 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
902 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
903 properly.
904 (mips_asm_file_end): Free temp_filename here.
906 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
908 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
909 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
911 * config/i386/i386.md (movstrsi): Handle FAIL case.
913 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
915 * cppinit.c (builtin_array): Update.
916 (init_builtins): Flag builtins to warn if redefined or
917 undefined. Define __GXX_WEAK as a normal macro.
918 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
919 * cpplib.h (NODE_WARN): New flag.
920 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
921 Handle __STDC__ as a builtin only on Solaris.
922 (warn_of_redefinition): Renamed from check_macro_definition.
923 Reverse sense of test. Always warn if NODE_WARN.
924 (_cpp_create_definition): Use warn_of_redefinition. Flag
925 any macro beginning with "__STDC_" to require a mandatory
926 warning if redefined or undefined.
928 2001-02-24 Zack Weinberg <zackw@stanford.edu>
930 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
931 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
932 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
933 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
934 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
935 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
936 Don't define any of:
937 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
938 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
939 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
940 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
941 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
943 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
944 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
945 definitions.
947 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
948 Delete now-empty file.
950 * alpha/vms.h: Define NEED_ATEXIT here...
951 * alpha/xm-vms.h: ...not here.
953 * i386/cygwin.h: Don't define PARAMS.
954 * mips/mips.c: Don't prototype mktemp. Don't define
955 P_tmpdir. Use make_temp_file to create temporary files.
956 Don't be clever and delete temporary files early.
957 * config.gcc: Drop references to deleted files. Don't define
958 FULL_PROTOTYPES.
959 * gcc.texi: Don't mention USE_PROTOTYPES.
961 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
963 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
964 (ix86_set_move_mem_attrs_1): Likewise.
965 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
966 * config/i386/i386.md (movstrsi): Call it.
968 2001-02-24 Zack Weinberg <zackw@stanford.edu>
970 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
971 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
972 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
973 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
975 (i750a-*-*): Error here if hosting on i750a.
976 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
978 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
979 Remove (empty modulo comments).
981 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
982 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
983 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
984 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
985 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
986 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
988 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
989 Remove reference to winnt.h in comment.
990 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
992 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
994 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
995 used to set another biv.
997 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
999 * tree.h (BLOCK_DEAD): New macro.
1000 (struct tree_block): New flag, dead_flag.
1001 * print-tree.c (print_node, case 'b'): Print missing fields.
1002 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
1003 * function.c (identify_blocks): Enable test for misplaced notes.
1004 (all_blocks): Skip BLOCK_DEAD blocks.
1005 * integrate.c (integrate_decl_tree): Likewise.
1007 * errors.c (internal_error, trim_filename): New functions.
1008 (fancy_abort): Call internal_error.
1009 * errors.h (internal_error, trim_filename): New declarations.
1011 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
1013 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
1014 2000-08-26's patch.
1015 (EXTRA_CONSTRAINT): Formatting changes.
1017 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1019 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
1021 2001-02-23 Per Bothner <per@bothner.com>
1023 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
1024 so they can be called from java/jvspec.c.
1025 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
1027 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
1029 * i386.c (ix86_frame): New structure.
1030 (ix86_compute_frame_size): Kill.
1031 (ix86_compute_frame_layout): New.
1032 (ix86_save_reg): New.
1033 (ix86_can_use_return_insn_p): Use frame layout stuff.
1034 (ix86_expand_prologue): Likewise.
1035 (ix86_expand_epilogue): Likewise.
1036 (ix86_initial_elimination_offset): Likewise.
1037 (ix86_nsaved_regs): Use ix86_save_reg.
1038 (ix86_emit_save_regs): Likewise.
1040 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
1042 * flow.c (find_sub_basic_blocks): New function.
1043 (split_block): Be ready for basic block introduced by CODE_LABEL.
1044 (commit_one_edge_insertion): Call find_sub_basic_block.
1046 * flow.c (make_edges): Add edge from entry for blocks starting with
1047 label having ALTERNATE_NAME
1049 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
1051 * function.c (epilogue_done): Be ready for first basic block not
1052 containing PROLOGUE_END note.
1053 (reposition_prologue_and_epilogue_notes): Avoid placing
1054 PROLOGUE_END note between BASIC_BLOCK.
1056 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
1058 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
1060 2001-02-21 DJ Delorie <dj@redhat.com>
1062 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
1063 check for current_function_has_nonlocal_goto from 1999-11-12.
1065 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1067 * diagnostic.c (trim_filename): No longer static.
1068 * toplev.h (trim_filename): Declare.
1069 * rtl.c (rtl_check_failed_bounds): Call internal_error.
1070 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
1071 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
1072 (rtvec_check_failed_bounds): Likewise.
1073 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
1075 * convert.c (convert_to_integer): Don't do unsigned unless result or
1076 both inputs are unsigned.
1078 * fold-const.c (fold_convert): Don't call size_int_type_wide if
1079 input overflows.
1081 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
1083 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
1085 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
1087 * Makefile.in (resource.o): Add params.h dependence.
1088 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
1089 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
1090 * resource.c: Add dependence on params.h.
1091 (current_live_regs): Fix explanatory comment.
1092 (find_basic_block): Add new parameter to permit limiting search
1093 for a BARRIER.
1094 (mark_target_live_regs): Add new argument to find_basic_block call.
1095 (incr_ticks_for_insn): Likewise.
1097 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
1099 * diagnostic.c (output_to_stream): Rename to
1100 output_buffer_to_stream. Loses the stream parameter.
1101 (init_output_buffer): Set diagnosic_buffer's stream.
1102 (flush_diagnostic_buffer): Adjust.
1103 (default_print_error_function): Likewise.
1104 (finish_diagnostic): Likewise.
1105 (verbatim): Likewise.
1107 * diagnostic.h (struct output_buffer): Add `stream' field.
1108 (output_buffer_attached_stream): New macro.
1110 2001-02-23 Jakub Jelinek <jakub@redhat.com>
1112 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
1113 check if either operand is divisible by C.
1114 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
1115 If type is signed, consider negative numbers as well.
1117 2001-02-22 Richard Henderson <rth@redhat.com>
1119 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
1120 reach .text instead of gp-relative relocs.
1121 * config/ia64/crtend.asm (.init): Likewise.
1123 2001-02-22 Andreas Jaeger <aj@suse.de>
1125 * extend.texi (C++ Attributes): Fix typo.
1127 2001-02-21 David Mosberger <davidm@hpl.hp.com>
1129 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
1130 functions, drop current_function_args_info.words test.
1131 (ia64_compute_frame_size): Mark syscall_linkage functions as
1132 using eight input registers.
1134 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1135 Bruce Korb <bkorb@gnu.org>
1137 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1138 * fixinc/README: Document how to convert sed substitutions
1139 to format style c_fix-es.
1140 * fixinc/fixincl.x: regen
1142 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1144 * gcc.c: Add comment explaining how to add a command-line option.
1145 Add title to specs language comment.
1147 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1149 * gcc.c (cc1_options): Add "-param".
1150 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1151 (option_map): Likewise.
1152 * toplev.c (display_help): Add entry for "--param".
1153 (independent_decode_option): Fix typographical error.
1155 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1156 Bernd Schmidt <bernds@redhat.com>
1157 Jan Hubicka <jh@suse.cz>
1159 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1160 (function_arg): Likewise.
1162 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1164 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1166 2001-02-21 Kazu Hirata <kazu@hxi.com>
1168 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1169 character.
1170 (xorsi3): Likewise.
1172 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1174 * flow.c (init_propagate_block_info): Canon address and use single_set
1175 for killing dead memory stores.
1177 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1179 * Makefile.in (reorg.o): Add params.h dependence.
1180 * params.def: Fix typographical error in comment.
1181 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1182 * params.h: Modify introductory comment.
1183 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1184 * reorg.c: Add dependence on params.h.
1185 (redundant_insn): Add parameterized throttle for search.
1186 (fill_simple_delay_slots): Add a comment explaining a variable.
1187 Move conditional out of loop, simplifying code.
1188 (fill_eager_delay_slots): Fix typographical error in comment.
1190 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1192 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1194 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1195 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1197 2001-02-21 Jason Merrill <jason@redhat.com>
1199 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1200 (struct tree_decl): Add uninlinable bitfield.
1201 * c-decl.c (duplicate_decls): Set it.
1202 * integrate.c (function_cannot_inline_p): Check it.
1204 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1205 DW_AT_MIPS_linkage_name to abstract methods.
1206 (dwarf2out_abstract_function): Emit class context before calling
1207 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1208 (gen_subprogram_die): Remove obsolete code.
1209 (gen_member_die): Don't include clones in the member list.
1210 (gen_decl_die): Emit abstract info for clone origin.
1211 * dwarfout.c (output_type): Don't include clones in the member list.
1212 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1213 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1214 DECL_ABSTRACT on a function that already has it set.
1216 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1217 (get_subprogram_die): Pass it in.
1219 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1221 * flow.c (mark_set_1): Make not_dead unsigned long. For
1222 non-pseudos, use it as a bitmask of the hard regs that
1223 don't die.
1225 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1227 * cppfiles.c: Update comments.
1228 (_cpp_read_file): Don't check for NULL filenames any more.
1229 * cppinit.c (cpp_start_read): Don't do canonicalization of
1230 in_fname and out_fname. Use the passed file name exclusively.
1231 (_cpp_handle_options): Don't treat "-" as a command line option,
1232 but as a normal filename.
1233 (_cpp_post_options): Canonicalize in_fname and out_fname.
1234 * cppmain.c (printer_init): Don't check out_fname for NULL.
1235 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1236 (init_c_lex): Update, and use "" to represent stdin to CPP.
1237 (yyparse): Update.
1239 2001-02-20 Will Cohen <wcohen@redhat.com>
1241 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1242 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1243 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1244 fixunstfsi_libfunc.
1246 2001-02-20 Stan Shebs <shebs@apple.com>
1248 * config/rs6000/rs6000.c (output_cbranch): Output branches
1249 on separate lines instead of using ';' to separate.
1251 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1253 * cppinit.c (set_lang): Move builtin handling to...
1254 (init_builtins): ...here.
1255 (_cpp_create_reader): Move call to set_lang.
1257 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1259 * stmt.c (expand_return): If an attempt is made to return the
1260 error_mar_node, treat the return like a return without a value.
1262 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1264 * sibcall.c (skip_copy_to_return_value): Call
1265 identify_call_return_value here, and return orig_insn if it
1266 returns zero. Hardret and softret arguments now unnecessary.
1267 (call_ends_block_p): Don't call identify_call_return_value here.
1269 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1270 's' slots in RTXen.
1271 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1272 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1274 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1276 * pa.c (move_operand): Accept code to load the address of a
1277 symbol out of the DLT as a valid move operand.
1278 (print_operand, case 'A'): New to handle generating a DLT
1279 reference for a LO_SUM expression.
1280 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1281 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1283 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1285 * README, cpp.texi, gcc.texi, version.c: Update version number to
1286 3.1.
1287 * cpp.1, gcov.1, gcc.1: Regenerate.
1289 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1291 * cppfiles.c (stack_include_file): Generate dependencies
1292 here, and manage include_count here too.
1293 (PRINT_THIS_DEP): Delete.
1294 (_cpp_execute_include): Do not generate dependencies here,
1295 apart from the case of a missing header. Do not manage
1296 include_count.
1297 (_cpp_read_file): Leave dependency generation to
1298 stack_include_file.
1300 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1302 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1303 target_cpu_default. Remove dead assignment to
1304 target_cpu_default.
1306 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1308 * regclass.c (contains_reg_of_mode): Make global.
1309 (init_reg_sets): Remove contains_reg_of_mode; take into account
1310 CLASS_MAX_NREGS when looking for the proper mode.
1311 (dump_regclass): Dump only classes considered for the pseudo.
1312 (regclass): Use contains_reg_of_mode.
1314 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1316 * gcc.c (do_spec_1): 'n' for printing notices.
1317 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1319 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1321 * reg-stack.c (next_flags_user): Use current_block->end
1322 (swap_rtx_condition): Look for next user if flags don't die;
1323 give up on CALL_INSNs; use current_block->end.
1325 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1327 * sibcall.c (call_ends_block_p): New function.
1328 (optimize_sibling_and_tail_recursive_call): Use it.
1330 2001-02-18 Kazu Hirata <kazu@hxi.com>
1332 * config/h8300/h8300.md: Update copyright.
1333 (andsi3): Do not output an extra newline character.
1335 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1337 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1338 FNDECL may be unused.
1340 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1341 follow jumps after first run.
1342 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1343 it doesn't change any jumps.
1345 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1347 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1348 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1349 (mostlyclean): Corresponding changes.
1350 * rtlanal.c (hard-reg-set.h): Include.
1351 (rtx_unstable_p): Do not treat the argument pointer specially
1352 if it is not a fixed register.
1353 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1355 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1357 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1358 against last real insn in basic block.
1359 Rework to avoid gotos.
1361 * Makefile.in (gcse.o): Now includes ggc.h.
1362 * gcse.c: Include ggc.h.
1363 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1364 (try_replace_reg): Remove warning of uninitialize variable.
1365 (process_insert_insn): Call invalid_insn_p to validate insn.
1366 * recog.c (insn_invalid_p): Now global.
1367 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1368 * recog.h (insn_invalid_p): New declaration.
1370 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1372 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1373 assignments from FP constants since 'Y' output code can't handle it.
1374 (eligible_for_sibcall_delay): Likewise.
1376 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1377 Call fancy_abort directly, passing args.
1378 (print_rtl_and_abort): Now a macro, like fancy_abort.
1380 * final.c (output_operand_lossage): Use internal_error, not error.
1382 2001-02-18 Shane Nay <shane@agendacomputing.com>
1384 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1385 structure shift insns.
1387 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1389 * invoke.texi (-fsquangle): Remove documentation.
1390 (-fname-mangling-version): Likewise.
1392 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1394 * optabs.c (expand_abs): Remove reference to
1395 HAVE_contitional_arithmetic.
1396 * combine.c (simplify_set): Likewise.
1398 2001-02-18 Richard Henderson <rth@redhat.com>
1400 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1401 would be disrupted.
1403 2001-02-18 Richard Henderson <rth@redhat.com>
1405 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1407 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1409 * reload1.c (reload_cse_simplify_set): Fix typo.
1411 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1413 * diagnostic.c (_fatal_insn): Decrement errorcount.
1415 * invoke.texi (-I): Add note avoiding use for system header files.
1417 * rtl.h (add_clobbers): Remove duplicate declaration.
1418 * recog.h (added_clobbers_hard_reg_p): New declaration.
1419 * genemit.c (struct clobber_pat): New field has_hard_reg.
1420 (gen_insn): Record if added clobbers clobber hard reg.
1421 (gen_split): Avoid unused warning if number of operands is 0.
1422 (output_added_clobbers_hard_reg_p): New function.
1423 (main): Call it.
1425 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1427 * pa.c (hppa_expand_prologue): Simplify code storing return
1428 pointer. For large (>=8k) frames with a post_store, adjust stack
1429 pointer by 8k-64 first rather than by 64. When testing with
1430 VAL_14_BITS_P, always use the actual value rather than the value
1431 negated. Add blockage to prevent scheduling of spills before
1432 stack frame has been created.
1433 (hppa_expand_epilogue): Simplify code loading return pointer.
1434 Allow a slightly larger range for merge_sp_adjust_with_load case.
1435 When testing with VAL_14_BITS_P, always use the actual value.
1437 * pa.c (pa_adjust_insn_length): Check that block move
1438 pattern is a set before looking at operands.
1440 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1442 * fold-const.c (fold_binary_op_with_conditional_arg): New
1443 function, split out from ...
1444 (fold): ... here.
1445 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1446 conditional arms that throw exceptions.
1448 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1449 looking at a BLOCK.
1451 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1453 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1454 define HAVE_DECL_* to 1 to mask potential backup declarations.
1455 * configure: Regenerated.
1457 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1459 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1461 2001-02-17 Richard Henderson <rth@redhat.com>
1463 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1464 when replacing a memory load with a register.
1466 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1467 Jan Hubicka <jh@suse.cz>
1469 * recog.c (validate_replace_src_1): New.
1470 (validate_replace_src_data): Likewise.
1471 (validate_replace_src): Use note_uses.
1472 * rtl.h (note_uses): Declare.
1473 * rtlanal.c (note_uses): New.
1475 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1477 * reg-stack.c (stack_def): Make field reg unsigned.
1478 (remove_regno_note): Unsignetize parameter.
1480 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1482 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1483 shladd_operand() call.
1485 2001-02-16 Bruce Korb <bkorb@gnu.org>
1486 Rodney Brown <RodneyBrown@mynd.com>
1488 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1489 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1490 machine restrictions
1491 * fixinc/fixincl.x: regen
1493 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1495 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1496 Don't CSE a nop.
1497 (hash_scan_insn): Clean up calls to hash_scan_set.
1498 (compute_kill_rd): REGNO now unsigned.
1499 (try_replace_reg): Rework to use simplify_replace_rtx.
1500 (cprop_jump, cprop_cc0_jump): Likewise.
1501 (cprop_insn): Call find_reg_equal_equiv_note.
1502 Reflect changes to cprop_jump and cprop_cc0_jump.
1504 * recog.c (validate_replace_src): Replace in operands of
1505 ZERO_EXTRACT in SET_DEST.
1507 * cse.c (new_label_ref): New variable.
1508 (insert): Set it instead of recorded_label_ref.
1509 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1510 CODE_LABEL for this function, and not already in REG_LABEL note.
1512 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1514 * resource.c (mark_referenced_resources): Fix typo in introductory
1515 comment.
1516 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1517 string constant.
1519 2001-02-16 Jason Merrill <jason@redhat.com>
1521 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1522 NULL.
1523 (gen_subprogram_die): Don't abort on seeing a second definition if
1524 the previous one was abstract. Don't replace an abstract instance
1525 in the lookup table.
1527 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1528 gen_abstract_function.
1529 * dwarf2out.h: Declare it.
1530 * toplev.c (note_outlining_of_inline_function): New fn.
1531 * toplev.h: Declare it.
1532 * integrate.c (output_inline_function): Call it.
1533 * c-decl.c (duplicate_decls): Call it when redefining an extern
1534 inline. Don't inline the new defn.
1536 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1538 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1540 * .gdbinit: Rename to gdbinit.in.
1541 * gdbinit.in: New file,
1542 * configure.in: Generate .gdbinit from gdbinit.in.
1543 * configure: Regenerated.
1544 * Makefile.in (distclean): Always remove .gdbinit.
1546 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1548 * objc/objc-act.c (start_class): Register implemented_classes with
1549 GC.
1551 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1553 * cppfiles.c (_cpp_make_system_header): Generate a file
1554 change callback.
1556 2001-02-15 Jim Meyering <meyering@lucent.com>
1558 * Makefile.in (install-common): Don't depend on installdirs here.
1559 Instead, make each of the lang.install-common targets (e.g.,
1560 c++.install-common in cp/Make-lang.in) depend on it.
1561 (install-driver): Depend on installdirs.
1563 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1565 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1567 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1568 do in memory.
1570 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1572 * invoke.texi (--param): Document.
1574 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1576 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1578 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1580 * i386.md (extendsfdf2_2): Fix constraints.
1582 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1584 * i386.md (fop_df_3 splitter): Fix operand number.
1586 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1588 * invoke.texi (-mreg-alloc): Nuke.
1589 * i386.c (ix86_reg_alloc_order, regs_allocated,
1590 order_regs_for_local_alloc): Nuke.
1591 (override_options): Kill reg_alloc code.
1592 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1593 (REG_ALLOC_ORDER): SSE goes before I387.
1594 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1595 (ix86_reg_alloc_order): Likewise.
1596 * i386-protos.h (ix86_reg_alloc_order): Kill.
1598 2001-02-14 Richard Henderson <rth@redhat.com>
1600 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1602 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1604 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1606 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1608 * i386-protos.h (ix86_memory_move_cost): Move offline.
1609 * i386.c (ix86_register_move_cost): Compute properly cost of
1610 SSE, MMX and i387 instructions.
1611 (*_cost): Add costs of SSE/MMX moves.
1612 (ix86_memory_move_cost): Move offline from ....; Likewise.
1613 * i386.h (MEMORY_MOVE_COST): .... here;
1614 (struct processor costs): Add new fields to represent costs
1615 of SSE/MMX moves.
1617 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1619 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1620 move_cost together with Matt Kraai's fix.
1622 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1624 * Makefile.in (OBJS): Add params.o.
1626 2001-02-14 Richard Henderson <rth@redhat.com>
1627 DJ Delorie <dj@redhat.com>
1629 * jump.c (jump_optimize_1): When we delete a conditional jump
1630 preceeding a non-conditional jump to effectively the same place,
1631 make sure that the combined jump skips any clobber insns between
1632 the two labels.
1634 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1636 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1638 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1640 * Makefile.in (toplev.o): Depend on params.h.
1641 (intergate.o): Likewise.
1642 (params.o): New target.
1643 * flags.h (inline_max_insns): Remove.
1644 * integrate.c: Include params.h.
1645 Use MAX_INLINE_INSNS instead of inline_max_insns.
1646 * params.c: New file.
1647 * params.h: Likewise.
1648 * params.def: Likewise.
1649 * toplev.c: Include params.h.
1650 (lang_independent_params): New variable.
1651 (decode_f_option): Use the param machinery instead of setting
1652 max_inline_insns.
1653 (independent_decode_option): Handle "--param name=value".
1654 (main): Register language-independent parameters.
1656 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1658 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1660 2001-02-14 Richard Henderson <rth@redhat.com>
1662 * regclass.c (init_reg_sets_1): Revert last two changes.
1664 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1666 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1667 (variable_size): Call put_pending_size.
1668 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1669 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1670 sizes list, put newly created SAVE_EXPR there as well.
1672 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1674 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1675 (errata_find_address_regs): load_group has only 2 entries.
1676 (errata_emit_nops): Likewise. shladd is not problematic.
1677 Clear last_group if nop was emitted.
1678 (fixup_errata): load_group has only 2 entries.
1679 Optimize.
1681 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1683 * c-lex.c (lex_number): Only warn traditionally for U suffix
1684 outside system macros.
1685 * cppexp.c (parse_number): Similarly.
1686 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1687 * cppmacro.c (struct cpp_macro): New member node.
1688 (parse_args): Only warn about missing rest args if not
1689 a system macro.
1690 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1691 (cpp_sys_objmacro_p): New.
1692 (_cpp_create_definition): Store the node with the macro defn.
1693 Remember if the macro is defined in a system header.
1695 2001-02-13 DJ Delorie <dj@redhat.com>
1697 * configure.in (check_languages): determine languages to check
1698 * Makefile.in (check-c++): alias for check-g++
1699 (check-f77): alias for check-g77
1700 (CHECK_TARGETS): depend on configured languages
1702 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1704 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1705 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1706 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1707 (sqrtextendsfdf2): Disable for SSE2.
1709 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1711 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1712 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1713 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1714 (sqrtextendsfdf2): Disable for SSE2.
1716 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1718 * i386.md (movsfcc_1): Support integer cmove instruction.
1719 (movdfcc_1): Likewise; new splitter.
1721 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1723 * i386.c (output_fp_compare): Support SSE.
1724 (prepare_fp_compare_args): SSE comparisons always support memory.
1725 * i386.h (TARGET_CMOVE): SSE imply cmove.
1726 * i386.md (cmp?f2): Enable for SSE too.
1727 (cmpfp_i*): Support SSE.
1728 (cmpfp_i_sse): New.
1729 (cmpfp_i_sse_only): New.
1730 (s*, b* fp expanters): Enable for SSE too.
1731 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1732 New patterns.
1734 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1736 * regclass.c (init_reg_sets_1): Silence warning.
1738 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1740 * i386.md (sqrt?f2): Change to expander.
1741 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1743 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1745 * rtlanal.c (find_reg_equal_equiv_note): New function.
1746 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1747 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1748 * rtl.h: Add declarations for above functions.
1750 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1752 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1753 conditionals.
1754 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1755 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1756 * flow.c (mark_regs_live_at_end): Likewise.
1757 (calculate_global_regs_live): Likewise.
1758 * gcse.c (compute_hash_table): Likewise.
1759 (compute_kill_rd): Likewise.
1760 * resource.c (mark_target_live_regs): Likewise.
1761 * rtl.h (INVALID_REGNUM): New macro.
1763 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1765 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1767 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1769 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1770 for SSE.
1772 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1774 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1775 too.
1776 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1777 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1778 (fop_sf_1_sse, fop_df_1_sse): New patterns
1779 (fop_*): Disable float_extend and float patterns for SSE compilation.
1780 * i386.c (output_387_binary_op): Support SSE.
1782 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1784 * i386.md (dummy_extendsfdf2): Support SSE2
1785 (extendsfdf2): Enable if 80387 or SSE2.
1786 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1787 and no MIX_I387_SSE2
1788 (extendsfdf2_1_sse_only): New pattern.
1789 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1790 of SSE.
1791 (truncdfsf2_1): Support SSE.
1792 (truncdfsf2_2): Support SSE.
1793 (truncdfsf2_2_1_sse): New pattern.
1794 (fixtruncsfsi2): Always use SSE if available.
1795 (fix_truncsfsi_sse): New pattern.
1796 (fix_truncdfsi_sse): New pattern.
1797 (floatsis?f2): Support SSE.
1798 (floatsidf2_i387): New pattern.
1799 (floatsidf2_sse): Likewise.
1801 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1803 * configure.in: Use "have_gnat" variable, not "gnat".
1804 * configure: Regenerated.
1806 * config/sparc/sparc.c (function_value): Treat all non-record
1807 aggregate types like used to treat UNION_TYPE.
1809 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1811 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1812 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1813 (MASK_SSE2): New.
1814 (MASK_MIX_SSE_I387): New.
1815 (TARGET_SSE): SSE2 imply SSE.
1816 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1817 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1818 (enum reg_class): Add new classes.
1819 (REG_CLASS_NAMES): Likewise.
1820 (REG_CLASS_CONTENTS): Likewise.
1821 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1822 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1823 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1824 (CLASS_MAX_NREGS): Use new macros.
1825 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1826 * i386.md (pushsf, movsf): Support SSE.
1827 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1828 splitters to use ANY_FP_REGNO_P.
1829 (movdf_nointeger, movdf_integer): Likewise.
1831 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1833 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1834 (try_combine): Use it.
1836 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1838 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1839 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1840 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1841 (REGISTER_MOVE_COST): Likewise.
1842 * i386-protos.h (ix86_secondary_memory_needed,
1843 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1844 * i386.c (ix86_secondary_memory_needed,
1845 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1847 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1849 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1850 (HARD_REGNO_MODE_OK): Move offline to ....
1851 * i386.c (ix86_hard_regno_mode_ok) ... here;
1852 refuse all incorrect modes.
1853 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1855 2001-02-13 Richard Henderson <rth@redhat.com>
1857 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1858 entire operator; replicate that and match_dup the operands.
1859 (cmp_ccx_arith_op_set): Likewise.
1860 (cmp_cc_arith_op_not_set): Likewise.
1861 (cmp_ccx_arith_op_not_set): Likewise.
1863 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1865 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1867 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1869 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1870 (TARGET_NO_BITFIELD_WORD): New macro.
1871 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1872 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1874 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1876 * cselib.c: New file, from simplify-rtx.c.
1877 * simplify-rtx.c: Remove cselib parts.
1878 * Makefile.in: Add cselib.o.
1880 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1882 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1883 (setup_incoming_varargs): Remove warning.
1885 * config/rs6000/rs6000.c (validate_condition_mode): When
1886 flag_fast_math, allow floating-point conditionals to be reversed.
1887 (rs6000_generate_compare): When flag_fast_math, don't generate
1888 cror operations for FP conditionals.
1890 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1891 -mcall-i960.
1892 (ASM_SPEC): Likewise.
1893 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1894 (CC1_SPEC): Likewise.
1895 (LINK_TARGET_SPEC): Likewise.
1896 (CPP_ENDIAN_SPEC): Likewise.
1897 * Makefile.in (check-consistency): New target.
1899 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1901 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1902 "return type defaults" warning for functions with return type
1903 defaulting to int.
1904 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1905 function declarations by default rather than only when pedantic.
1907 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1909 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1910 arrays.
1912 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1914 * extend.texi (Deprecated): Deprecate new initializer lists.
1916 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1918 * mkdeps.c (deps_add_default_target): Robustify. Add
1919 basename component only.
1920 * cpp.texi (-M): Describe how default target is generated.
1921 * invoke.texi (-M): Likewise.
1923 2001-02-12 Kazu Hirata <kazu@hxi.com>
1925 * toplev.c (push_float_handler): Remove.
1926 (pop_float_handler): Remove.
1927 * toplev.h: Remove prototypes for the above functions.
1929 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1931 * c-common.c (constant_fits_type_p): New function.
1932 (convert_and_check): Use it.
1934 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1936 * Makefile.in (GXX_ABI_FLAG): Don't define.
1937 * configure.in (--enable-new-gxx-abi): Remove option.
1938 * config.in: Regenerated.
1939 * configure: Likewise.
1941 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1943 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1944 basic block.
1945 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1946 regular basic block, and arrange for all edges into it to switch
1947 to normal mode.
1949 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1951 * Makefile.in (distclean): Do not remove .gdbinit.
1953 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1955 * Makefile.in (gcc.o): Fix typos.
1956 (protize.o): Likewise.
1957 (unprotoize.o): Likewise.
1959 2001-02-11 Richard Henderson <rth@redhat.com>
1961 * tree.c (build1): Check for null operand in last change.
1963 2001-02-11 Richard Henderson <rth@redhat.com>
1965 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1966 (fold): Don't assume a constant isn't foldable.
1967 * tree.c (build): Set TREE_CONSTANT for an expression with no
1968 side-effects and constant operands.
1969 (build1): Likewise.
1971 2001-02-10 Richard Henderson <rth@redhat.com>
1973 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1975 2001-02-10 Anthony Green <green@redhat.com>
1977 * cpp.texi (Standard Predefined): Add documentation for
1978 __OPTIMIZE_SIZE__.
1980 * c-common.c (combine_strings): Improve warning message.
1982 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1984 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1985 --oformat.
1986 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1988 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1990 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1991 CYGWIN_CROSS_DIR.
1993 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1995 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1996 fp_mode attribute.
1998 2001-02-09 Nick Clifton <nickc@redhat.com>
2000 * config/arm/arm.md: Change output contraint on post inc
2001 load/store multiple patterns to be a read/write contraint.
2003 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
2005 * gcc.c (cpp_options): Delete .d files on error. Don't delete
2006 .o files when using the -M options.
2008 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2009 David Edelsohn <edelsohn@gnu.org>
2011 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
2012 handle DImode constants. Use one TOC entry for SImode and smaller
2013 constants, aligned properly.
2015 2001-02-08 Jason Merrill <jason@redhat.com>
2017 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
2018 about the SP adjustment for saving the static chain pointer.
2019 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
2020 offset when setting a temporary CFA register.
2022 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
2024 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
2025 powerpc-*-chorusos* .
2026 * config/rs6000/chorus.h : New file.
2027 * config/i386/chorus.h : New file.
2028 * config/sparc/chorus.h : New file.
2029 * config/sparc/t-chorus-elf : New file.
2031 2001-02-08 David Edelsohn <edelsohn@gnu.org>
2033 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
2034 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
2035 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
2036 (__WCHAR_TYPE__): Correct macro name.
2038 2001-02-08 Richard Henderson <rth@redhat.com>
2040 * config/i386/i386.c (ix86_frame_pointer_required): New.
2041 (ix86_setup_frame_addresses): New.
2042 (struct machine_funciton): Add accesses_prev_frame.
2043 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
2044 ix86_frame_pointer_required.
2045 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
2046 (SETUP_FRAME_ADDRESSES): New.
2047 * config/i386/i386-protos.h: Update.
2048 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
2049 from FRAME_POINTER_REQUIRED.
2050 * config/i386/svr3gas.h: Likewise.
2051 * config/i386/sysv3.h: Likewise.
2052 * config/i386/v3gas.h: Likewise.
2054 2001-02-08 Richard Henderson <rth@redhat.com>
2056 * config/sparc/sparc.c (function_arg_record_value_3): Fix
2057 calculation of the number of integer registers required.
2058 (function_arg_record_value): Likewise.
2060 2001-02-08 Jason Merrill <jason@redhat.com>
2062 * diagnostic.c (internal_error): Say "confused" after 1 error, not
2063 two. Print file and line with "confused" message.
2065 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
2067 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2069 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
2071 2001-02-08 Bernd Schmidt <bernds@redhat.com>
2073 * final.c (cleanup_subreg_operands): The address of a MEM can
2074 contain SUBREGs.
2076 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
2077 for asms, too.
2079 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
2081 * gcc.texi (Incompatibilities): Update documentation of
2082 preprocessing numbers.
2084 2001-02-07 Jakub Jelinek <jakub@redhat.com>
2086 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
2088 2001-02-07 Mark Mitchell <mark@codesourcery.com>
2090 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
2092 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
2093 * gcc.c (struct compiler): Add cpp_spec field.
2094 (input_file_compiler): New variable.
2095 (do_spec_1): Allow a particular compiler to handle `%C'
2096 specially.
2097 (main): Store the current compiler in input_file_compiler.
2098 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
2100 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
2102 * cpphash.h (struct spec_nodes): Add n_true and n_false.
2103 * cppinit.c (cpp_create_reader): Initialize them.
2104 (append_include_chain): cxx_aware arg might be unused.
2105 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
2106 keywords and give them their phase 7 meaning. Pedwarn about
2107 this unless '__bool_true_false_are_defined' is defined.
2109 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2111 * lcm.c (optimize_mode_switching): Emit mode_set before the
2112 JUMP_INSN of an abnormal edge.
2114 2001-02-07 Bernd Schmidt <bernds@redhat.com>
2116 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
2117 a scheduling barrier at the end.
2119 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
2121 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
2123 * config/sh/sh.md (reload_outsf): Removed.
2124 (movsf_ie): Introduce constraints for FPUL loads and stores.
2125 (reload_insf): Broaden the output constraint.
2127 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
2128 defined.
2129 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
2130 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2132 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2134 * final.c: Revert my previous changes.
2135 * output.h: Make profile_label_no extern.
2136 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2137 for generating label.
2139 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2141 * config/i386/djgpp.h: Add comments about standard paths.
2142 (MD_EXEC_PREFIX): Undefine before defining.
2143 (MD_STARTFILE_PREFIX): New.
2145 2001-01-30 Bruce Korb <bkorb@gnu.org>
2147 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2148 (load_file): do not rely on load_file_data() to close file pointer
2149 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2150 fixinc/inclhack.def(irix_limits_const): add test_text
2152 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2154 * cppexp.c (parse_defined): Improve diagnostics for invalid
2155 syntax.
2157 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2159 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2161 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2163 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2164 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2165 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2166 (rs6000_output_symbol_ref): New function.
2167 (output_toc): Use VTABLE_NAME_P.
2169 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2171 * print-tree.c (print_node, case PARM_DECL):
2172 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2174 * stor-layout.c (reference_types_internal): New variable.
2175 (internal_reference_types): New function.
2176 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2177 * tree.h (internal_reference_types): New declaration.
2179 * cse.c (find_best_addr): Fix typo in computing cost.
2181 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2183 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2184 and this is the sum of a pointer and a constant, we know the result
2185 did not overflow.
2186 (num_sign_bit_copies, case PLUS): Likewise.
2187 * explow.c (convert_memory_address): Remove opposite SUBREG.
2188 * function.c (instantiate_new_reg): New function (from common code).
2189 (instantiate_virtual_regs_1): Call it.
2190 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2191 if pointers sign- or zero-extend.
2192 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2193 If pointers extend unsigned, use inside of SUBREG.
2194 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2196 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2198 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2199 subdir of gcc_gxx_include_dir.
2200 (gcc_gxx_target_include_dir): Remove.
2202 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2204 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2205 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2206 a high-level description.
2208 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2210 * final.c: Move the declaration of profile_label_no to ...
2211 * output.h: ... here.
2212 * function.c (expand_function_start): Call PROFILE_HOOK.
2213 * config/rs6000/aix.h: Define PROFILE_HOOK.
2214 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2215 * config/rs6000/rs6000.c (output_profile_hook): Define.
2216 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2217 output_profile_hook.
2218 tm.texi : Explain new macro PROFILE_HOOK.
2220 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2222 * extend.texi (Extended Asm): Do not say that semicolon is always
2223 a valid line-breaking character for GNU assemblers. Use
2224 newline-tab as the most commonly supported syntax. Use
2225 newline-tab rather than semicolon in multi-insn examples.
2227 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2229 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2231 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2232 David Edelsohn <edelsohn@gnu.org>
2234 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2235 code for AIX, even without flag_pic.
2237 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2239 * c-typeck.c (common_type): push and pop binding level around
2240 calling common_type on function parameters.
2242 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2244 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2246 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2248 * config/mips/mips.c (override_options): Fix typo in last change.
2249 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2250 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2252 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2254 * invoke.texi (-fdump-class-layout): Document.
2255 (-fdump-translation-unit): Use `=' as filename separator.
2257 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2259 * Makefile.in (s-mlib): Don't build multilibs if
2260 --disable-multilib.
2261 (DRIVER_DEFINES): Adjust accordingly.
2262 (gcc.o): Likewise.
2263 (protoize.o): Likewise.
2264 (unprotoize.o): Likewise.
2265 * configure.in: Recognize --enable-multilib.
2267 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2269 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2271 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2272 * configure.in: Remove --enable-libstdcxx_v3 support.
2273 * configure: Regenerated.
2275 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2277 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2278 Call abort instead of fatal.
2279 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2280 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2281 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2282 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2283 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2284 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2286 * diagnostic.h (set_internal_error_function): Renamed.
2287 * toplev.h (internal_error): Renamed from fatal.
2288 (pfatal_with_name): Deleted.
2289 (fatal_io_error): Now has printf-style arguments.
2290 * diagnostic.c (pfatal_with_name): Deleted.
2291 (fatal_io_error): Rework to have args in printf-style.
2292 (set_internal_error_function): Renamed from set_fatal_function.
2293 (internal_error): Renamed from fatal.
2294 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2295 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2296 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2297 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2298 * flow.c (verify_flow_info): Likewise.
2299 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2300 * config/mips/mips.c (save_restore_insns): Likewise.
2302 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2303 * flow.c (verify_flow_info): Likewise.
2304 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2305 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2306 (avr_normalize_condition): Likewise.
2307 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2308 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2309 (limit_reload_class, double_reg_to_memory): Likewise.
2310 (print_operand_address, emit_1600_code_shift): Likewise.
2311 (gen_tst_reg, gen_compare_reg): Likewise.
2312 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2313 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2314 Deleted.
2315 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2317 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2318 * objc/objc-act.c (build_ivar_chain): Likewise.
2319 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2320 pfatal_with_name.
2321 * graph.c (clean_graph_dump_file): Likewise.
2322 * profile.c (init_branch_prob): Likewise.
2323 * objc/objc-act.c (objc_init): Likewise.
2325 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2326 * config/avr/avr.c (avr_override_options): Likewise.
2327 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2328 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2329 * config/h8300/h8300.c (h8300_init_once): Likewise.
2330 * config/mips/mips.c (override_options): Likewise.
2331 * config/i386/i386.c (override_options): Likewise, rework.
2332 * config/m68k/m68k.c (override_options): Likewise.
2334 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2335 instead of fatal.
2336 * config/mips/mips.c (print_operand): Likewise.
2337 * hash.c (hash_allocate): Don't check for failure returns from
2338 obstack functions that can't fail.
2339 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2340 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2341 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2342 (get_object_reference): Likewise.
2344 2001-02-04 Nick Clifton <nickc@redhat.com>
2346 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2347 StrongARM1110, 10TDMI, and 1020T.
2349 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2351 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2353 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2355 * config/sh/sh.md (movdf load split): Pass register number to
2356 FP_OR_XD_REGISTER_P.
2358 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2360 * cppinit.c (BC): New macro.
2361 (builtin_array): Add __GXX_WEAK__.
2362 * cpplib.h (builtin_type): Add BT_WEAK.
2363 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2364 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2365 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2367 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2369 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2371 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2373 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2374 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2376 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2378 * cpphash.h: Rename ALIGN _ALIGN.
2379 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2381 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2383 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2384 compilation environment.
2385 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2386 control over location of cygwin includes and libs.
2388 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2390 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2392 2001-02-02 lars brinkhoff <lars@nocrew.org>
2394 * md.texi (Standard Names): remove reference to spur.md.
2396 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2398 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2399 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2400 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2401 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2402 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2404 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2406 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2407 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2408 number before reload.
2409 (c4x_adjust_cost): Return zero before reload.
2410 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2411 split before reload.
2413 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2415 * c4x.c (c4x_hard_regno_rename_ok): New.
2416 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2417 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2419 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2421 * diagnostic.h: Add missing "extern" in all declarations.
2423 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2425 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2426 as for gcc_gxx_include_dir.
2428 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2430 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2432 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2434 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2435 label before alignment to be used as the braf base address.
2436 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2437 branches.
2438 (casesi_jump_2): Require at least TARGET_SH2.
2440 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2441 truncation to 32-bit doubles on -m3e and -m4-single-only.
2443 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2445 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2446 the default when building a shared object.
2447 (init_spec): Use it.
2448 * testsuite/lib/g++.exp: Include the directory where libgcc
2449 is located to the LD_LIBRARY_PATH list.
2450 * invoke.texi (-shared-libgcc): Document the cases in which
2451 GCC defaults to using the shared libgcc.
2453 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2455 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2456 unsigned is wide enough.
2457 (BITS_PER_SI): New.
2458 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2459 (si_to_float): Likewise.
2460 (float_to_si, float_to_usi): Use BITS_PER_SI.
2462 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2464 * dwarf2out.c: Added explanation of abbreviations.
2465 (def_cfa_1): Added comments listing DWARF2 instructions.
2466 (cfa_temp_reg): Removed in favor of cfa_temp.
2467 (cfa_temp_value): Removed in favor of cfa_temp.
2468 (cfa_temp): New global variable.
2469 (dwarf2out_frame_debug_expr): Added extensive introductory
2470 comments explaining the function's transformations. Revised to
2471 use cfa_temp. Added some rtx checking. Generalize IOR case.
2472 (dwarf2out_frame_debug): Revised to use cfa_temp.
2473 (output_aranges): Cast as "unsigned" to avoid warning.
2474 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2475 explain which instructions must be marked.
2477 2001-02-01 Richard Henderson <rth@redhat.com>
2479 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2480 new instruction.
2482 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2484 * config/sh/crt1.asm (main_k): Modified so that start calls
2485 ___setup_argv_and_call_main.
2487 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2489 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2490 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2491 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2492 * cppmacro.c (builtin_macro): Set builtin flags here.
2493 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2494 (replace_args): Clarify intent.
2495 (cpp_get_token): Macro expansion tokens get the saved flags.
2496 Update.
2497 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2498 check.
2500 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2502 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2503 2001-Jan-29.
2505 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2507 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2508 returns Pmode pseudo, but we need ptr_mode.
2509 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2510 Remove bogus conversions; use HOST_WIDE_INT for size.
2511 Don't use TARGET if wrong mode.
2513 * config/i386/i386.c (ix86_compute_frame_size): Allow
2514 stack_alignment_needed to be non-default even if size is zero.
2516 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2518 * (hppa_init_pic_save): Emit the pic offset table
2519 reg save after last_parm_insn.
2520 * pa.c (hppa_init_pic_save): New function.
2521 * pa.h (hppa_init_pic_save): Declare.
2522 * pa.md (call, call_value, sibcall, sibcall_value): Use
2523 the above instead of duplicated code.
2525 * pa.c (hppa_encode_label): Correct size of alloca buffer
2526 so we don't overrun it. Correct leading `*' case.
2527 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2528 need to handle `*@'.
2529 (FUNCTION_NAME_P): Likewise.
2531 2001-01-31 Richard Henderson <rth@redhat.com>
2533 * config.gcc (alpha-osf5): Use float-i128.h.
2535 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2536 * config/float-i32.h: Likewise.
2537 * config/float-i64.h: Likewise.
2538 * config/float-sh.h: Likewise.
2539 * config/float-sparc.h: Likewise.
2541 2001-01-31 DJ Delorie <dj@redhat.com>
2543 * expmed.c (extract_bit_field): allow non-integral modes if we
2544 want to extract a whole register from itself.
2546 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2548 * c-typeck.c (set_init_index): If first is equal to last, assume as
2549 if it was not a range at all.
2551 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2553 * config/fp-bit.c: Include tm.h.
2554 (float_to_si): Don't assume SImode is 32-bits wide.
2555 (float_to_usi): Likewise.
2557 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2559 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2560 incomplete type.
2561 (typename): Call pending_xref_error after parsing typed_typespecs.
2562 * c-decl.c (lookup_tag): Give error immediately rather than
2563 leaving it pending if the tag of the wrong type is in the same
2564 binding level.
2565 (xref_tag): Don't pedwarn for forward declarations of enum types
2566 here.
2567 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2568 and enum tags.
2570 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2572 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2574 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2576 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2577 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2579 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2581 * cpphash.h (struct cpp_reader): New saved_flags.
2582 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2583 to avoid a paste after a pasted token.
2585 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2587 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2588 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2589 Wtype_MIN instead of LONG_MIN.
2591 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2593 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2594 README file.
2595 * fixinc/fixincl.x: Regenerated.
2596 * fixinc/inclhack.def (irix_limits_const): New definition to
2597 convert "const" to "__const" in limits.h.
2599 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2601 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2603 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2605 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2606 when register dies in the insn.
2608 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2610 * diagnostic.c (fatal): Fix word wrap.
2612 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2614 * combine.c (try_combine): Fix SUBREG setting for
2615 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2617 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2619 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2620 comparison codes.
2622 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2624 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2625 is not NULL.
2626 * toplev.c (decode_W_option): Update warn_larger_than
2627 unconditionally for each processed switch.
2629 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2631 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2632 to NULL_RTX.
2633 (hppa_expand_prologue): Delete code to save pic offset table register
2634 in the function prologue.
2635 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2636 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2637 table register at the beginning of the function after the prologue.
2639 2001-01-29 lars brinkhoff <lars@nocrew.org>
2641 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2643 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2644 Jeff Law <law@redhat.com>
2646 * pa.md (return): Revise comment for trivial return.
2647 (return_internal): Non-trivial return pattern for non-PIC code.
2648 (return_internal_pic): Non-trivial return pattern for PIC code.
2649 It uses the PIC register to ensure it is restored after
2650 function calls.
2651 (epilogue): Generate appropriate return for PIC and non-PIC code.
2653 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2655 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2657 2001-01-29 DJ Delorie <dj@redhat.com>
2659 * combine.c (if_then_else_cond): Pass the correct mode to
2660 operand_subword() for constants.
2662 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2664 * config/i386/cygwin.h: Add w32api to include search. Search different
2665 directories in a cross-build environment.
2667 2001-11-29 Tim Josling <tej@melbpc.org.au>
2669 * tree.h (TYPE_STUB_DECL): Add documentation.
2671 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2673 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2674 (sdbout_field_types): Likwise. Fix use of host_integerp.
2676 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2678 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2679 cygwin.h.
2681 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2683 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2684 to use flag_gnu_linker.
2686 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2688 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2689 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2691 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2693 * tree.c, tree.h (build_parse_node): Remove; was identical to
2694 build_nt.
2695 * c-lang.c (start_cdtor), objc/objc-act.c
2696 (build_module_descriptor): Use build_nt instead of
2697 build_parse_node.
2699 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2701 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2702 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2703 not have any upper bits set.
2705 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2707 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2709 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2711 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2713 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2715 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2716 (integer_minus_one_node): Define.
2718 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2720 * Makefile.in (bootstrap2-lean): Fix typo.
2722 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2724 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2725 : Don't set fe_value.
2726 * cpplib.h (AVOID_LPASTE): New flag.
2727 (struct cpp_hashnode): Remove fe_value.
2728 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2729 * cppmacro.c (builtin_macro): Don't set flags here.
2730 (replace_args): Set AVOID_LPASTE flag on first token of an
2731 argument, and the token following it.
2732 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2733 macro expansion, and on the token following it. Do it for
2734 builtins too.
2735 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2737 2001-01-27 Richard Henderson <rth@redhat.com>
2739 * config/alpha/t-ieee: Remove multilibbing.
2740 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2742 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2744 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2746 * Makefile.in: Remove all dependencies on defaults.h.
2747 * builtins.c: Don't include defaults.h.
2748 * c-common.c: Likewise.
2749 * c-decl.c: Likewise.
2750 * c-pragma.c: Likewise.
2751 * c-typeck.c: Likewise.
2752 * combine.c: Likewise.
2753 * i386.c: Likewise.
2754 * frame-ia64.c: Likewise.
2755 * cppexp.c: Likewise.
2756 * crtstuff.c: Likewise.
2757 * dbxout.c: Likewise.
2758 * dwarf2out.c: Likewise.
2759 * dwarfout.c: Likewise.
2760 * emit-rtl.c: Likewise.
2761 * except.c: Likewise.
2762 * expr.c: Likewise.
2763 * final.c: Likewise.
2764 * frame-dwarf2.c: Likewise.
2765 * libgcc2.c: Likewise.
2766 * optabs.c: Likewise.
2767 * profile.c: Likewise.
2768 * sdbout.c: Likewise.
2769 * toplev.c: Likewise.
2770 * tradcif.y: Likewise.
2771 * tree.c: Likewise.
2772 * varasm.c: Likewise.
2774 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2776 * builtins.c (expand_builtin_fputs): Use size_one_node when
2777 transforming into fwrite.
2779 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2781 * extend.texi (Attribute Syntax): New section.
2783 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2785 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2786 they didn't need fixing.
2788 2001-01-27 Janis Johnson <janis@us.ibm.com>
2790 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2791 if appropriate.
2792 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2793 to remove macro definitions that are duplicated from elfos.h.
2795 2001-01-27 Richard Henderson <rth@redhat.com>
2797 * config/i386/sco5gas.h: Move ...
2798 * config/usegas.h: ... here.
2799 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2801 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2803 * c-typeck.c (struct constructor_stack): Add range_stack member.
2804 (really_start_incremental_init): Clear it.
2805 (push_init_level): Save constructor_range_stack and clear it if
2806 pushing explicit braces.
2807 (pop_init_level): abort if constructor_range_stack is non-zero at
2808 explicit closing brace. Restore saved constructor_range_stack if
2809 not implicit.
2811 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2813 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2814 into register was forced into memory.
2816 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2818 * Makefile.in: Remove uses of + before $(MAKE).
2820 2001-01-26 Richard Henderson <rth@redhat.com>
2822 * stmt.c (cost_table): Remove.
2823 (COST_TABLE, cost_table_initialized): New.
2824 (estimate_case_costs): Use the later instead of the former.
2825 (balance_case_nodes): Likewise.
2827 2001-01-26 Richard Henderson <rth@redhat.com>
2829 * alias.c (objects_must_conflict_p): Read-only slots may not
2830 conflict despite having the same type.
2832 2001-01-27 Michael Hayes <mhayes@redhat.com>
2834 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2835 int variable.
2836 (check_ext_dependant_givs): Initialise u_start_val and
2837 u_end_val.
2838 (load_mems): Make last_max_reg unsigned.
2839 (try_swap_copy_prop): Use INSN_P and initialise set.
2841 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2843 * README.AVR : Removed.
2845 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2847 * pa-64.h (text_section): Remove declaration.
2849 * pa.md (return_internal): Remove mode on PIC register use.
2851 2001-01-25 lars brinkhoff <lars@nocrew.org>
2853 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2854 ASM_CLOSE_PAREN): fix typos.
2856 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2858 * acconfig.h: Define `const' to the empty string if neither
2859 __STDC__ nor __cplusplus is defined.
2860 * config.in: Regenerated.
2862 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2864 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2865 * collect2.c (main): Delete importf. Add ".obj" file extension.
2866 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2867 (aix_std_libs): Add additional AIX libraries to skip.
2868 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2869 * config/rs6000/aix51.h: New file.
2871 2001-01-25 Michael Hayes <mhayes@redhat.com>
2873 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2874 (loop_insn_emit_before): No longer static.
2875 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2876 (loop_givs_rescan, load_mems): Likewise.
2877 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2878 (maybe_eliminate_biv_1):
2879 (move_movables): Replace emit_call_insn_before with
2880 loop_call_insn_hoist.
2881 * loop.h (loop_insn_emit_before): Add.
2882 * unroll.c (copy_loop_body): Replace emit_insn_before with
2883 loop_insn_emit_before.
2885 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2887 * diagnostic.c (fatal): Request preprocessed source.
2889 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2891 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2892 olddecl has argument types and newdecl has none, use the argument
2893 types from olddecl.
2895 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2897 * dwarf2out.c (prefix_of): New function. Determine longest common
2898 prefix of the two arguments. The units are whole path components.
2899 (output_file_names): When adding a new directory find the one entry
2900 with the longest common prefix already in the list. Artificially
2901 generate entry if there is none for this prefix.
2902 Fix test to check whether the zeroth directory entry is used.
2904 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2906 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2907 Changed all callers. Take it into account when deciding if a
2908 previously loaded value matches.
2910 2001-01-24 Richard Henderson <rth@redhat.com>
2912 * reload.c (find_reloads_subreg_address): Fail the substitution
2913 if the resulting address is insufficiently aligned.
2915 2001-01-24 DJ Delorie <dj@redhat.com>
2917 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2918 check the original operand's mode also.
2919 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2921 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2923 * c-parse.in (cast_expr): Move compound literals from here ...
2924 (primary): ... to here. Use standard terminology "compound
2925 literal" instead of "constructor expression".
2927 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2929 * gcc.1, cpp.1: Regenerate.
2931 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2933 * calls.c (emit_library_call_value_1): Memory slot for
2934 pass-by-reference argument should have the mode of the argument,
2935 not of the pointer to it.
2937 2001-01-24 Tom Tromey <tromey@redhat.com>
2939 * gcc.texi (G++ and GCC): Mention gcj manual.
2940 (Standards): Link to section of manual mentioning gcj/Java
2941 compatibility.
2943 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2945 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2946 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2947 * tradcpp.c (main): Add -imacros or -include'd dependencies
2948 for -M*.
2949 * cpp.texi (-M, -MM): Document -M -include behaviour.
2951 2001-01-24 Roger Collins <roger@ProProject.com>
2953 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2955 2001-01-24 Will Cohen <wcohen@redhat.com>
2957 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2958 whether registers are 32 bits or 64 bits in size.
2960 2001-01-24 Ben Elliston <bje@redhat.com>
2962 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2964 2001-01-24 Richard Henderson <rth@redhat.com>
2966 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2967 (builtin_longjmp): Use it instead of emit_indirect_jump.
2969 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2971 * bb-reorder.c (make_reorder_chain_1): Handle case where
2972 jump edge goes to the same block as the fallthru edge.
2974 2001-01-23 Jim Wilson <wilson@redhat.com>
2976 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2977 * frame.h (__ia64_personality_v1): Add prototype.
2978 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2979 prototype form. Add void * cast to first argument to personality
2980 call.
2981 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2982 (asctoe113): Likewise.
2983 * config/ia64/frame-ia64.c: Include eh-common.h.
2984 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2985 prototypes.
2986 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2987 to dump parameter.
2988 (itanium_split_issue): Add prototype.
2989 (gen_nop_type): Ifdef out.
2990 (find_best_packet): Initialize best_packet.
2991 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2992 result.
2993 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2994 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2995 (flushrs): Add explicit stop bit at end.
2996 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2997 trailing \ to >.
2999 2001-01-23 Chris Demetriou <cgd@broadcom.com>
3001 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
3002 of EH symbols.
3003 * libgcc2.c (__terminate_func): Make variable static.
3004 (__terminate_set_func): New function to set __terminate_func.
3005 * libgcc2.h (__terminate_func_ptr): New typedef.
3006 (__terminate_set_func): New function.
3008 2001-01-23 Richard Henderson <rth@redhat.com>
3010 * flow.c (init_propagate_block_info): Don't consider unchanging
3011 memories for dead frame store elimination.
3013 2001-01-23 Richard Henderson <rth@redhat.com>
3015 * varasm.c (UNIQUE_SECTION): Move default implementation ...
3016 * defaults.h: ... here.
3018 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
3020 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
3022 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
3024 * c-lex.c (lex_charconst): Fix typo: s/p/str.
3026 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3028 * rs6000.h (rs6000_return_addr): Move prototype from here...
3029 * rs6000-protos.h (rs6000_return_addr): ...to here.
3030 (rs6000_init_expanders): Delete prototype.
3032 2001-01-23 Nick Clifton <nickc@redhat.com>
3034 * invoke.texi: Replace , with \, inside @gccoptlist macros.
3035 (Spec Files): Document %B and %j and %. and %v3 and %M and
3036 %{S*&T} spec switches.
3038 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3040 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
3042 2001-01-23 Chris Demetriou <cgd@sibyte.com>
3043 Neil Booth <neil@daikokuya.demon.co.uk>
3045 * cpperror.c: Merge handlers of PEDWARN and WARNING.
3046 Have -Werror make pedantic warnings errors, like the
3047 rest of GCC.
3049 2001-01-23 Phil Edwards <pme@sources.redhat.com>
3051 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
3053 2001-01-23 Jakub Jelinek <jakub@redhat.com>
3055 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
3056 * integrate.c (expand_inline_function): Initialize them.
3057 (subst_constants): If changing COMPARE so that both its arguments
3058 will be VOIDmode and the comparison mode will be lost, note
3059 compare_mode. Use the recorded compare_mode to optimize
3060 IF_THEN_ELSE.
3062 2001-01-23 Jason Merrill <jason@redhat.com>
3064 * dwarf2out.c (new_die): Use xcalloc.
3065 (output_die): Abort rather than emit a local reference to offset 0.
3067 2001-01-17 Andrew Haley <aph@redhat.com>
3069 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
3070 of a saved register; return NULL instead.
3071 (copy_reg): Take a pointer to a source register rather than a
3072 frame_state.
3073 (next_stack_level): Remember the address in the stack frame of all
3074 saved registers.
3075 Use the saved register pointer array as the source of the CFA.
3076 (throw_helper): Rewrite. Unwind once rather than twice and keep
3077 track of saved registers as we go.
3079 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3081 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
3082 * c4x.c (c4x_legitimize_reload_address): Remove.
3083 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
3084 reload address for ldp(k) insn.
3086 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
3088 * pa.md (return_internal): Add a USE of the PIC register to ensure
3089 it is restored after each call.
3090 (return expander): Corresponding changes.
3092 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3094 * rs6000.h (INIT_EXPANDERS): Delete.
3095 (RETURN_ADDR_RTX): Call rs6000_return_addr().
3096 * rs6000.c (rs6000_override_options): Call *_machine_status from
3097 here...
3098 (rs6000_init_expanders): ...instead of here. Delete.
3099 (rs6000_mark_machine_status): New function.
3100 (rs6000_init_machine_status): Use xcalloc.
3101 (rs6000_return_addr): Generate RTX for the return address.
3102 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
3103 (rs6000_stack_info): Use it.
3105 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
3107 * gthr-win32.h: Include errno.h to get a declaration for
3108 EINVAL and _mingw.h if the target is mingw32.
3110 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
3112 * cpp.texi: Correct typos.
3114 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3116 * explow.c (probe_stack_range): Ensure value passed to
3117 stack_check_libfunc is ptr_mode, not Pmode.
3119 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
3121 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
3122 case, don't use operand_subword to calculate a SUBREG that is
3123 wider than a word.
3125 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
3127 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3129 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
3130 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
3131 valid. If not replace it by equivalent insns.
3133 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3135 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3136 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3137 (c4x_U_constraint, symbolic_address_operand): Likewise.
3138 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3139 memory.
3140 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3141 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3142 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3143 anulling slot because of silicon bug.
3144 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3146 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3148 * cppexp.c (parse_charconst): Change `mask' type to agree
3149 with parse_escape.
3151 2001-01-21 Richard Henderson <rth@redhat.com>
3153 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3154 pic_label_name in a linkonce section.
3156 2001-01-17 Philipp Thomas <pthomas@suse.de>
3158 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3159 found in libintl.
3160 * configure: Regenerate.
3162 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3164 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3165 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3167 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3169 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3170 If REVERSE nonzero then condition code in X must be reversed.
3171 (encode_section_info): Optimise if/else.
3172 (avr_function_value): Fix formatting.
3174 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3175 (difficult_branch): Likewise.
3176 (rvbranch): Likewise.
3177 (difficult_rvbranch): Likewise.
3179 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3181 * config/avr/libgcc.S: Fix comment.
3183 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3185 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3187 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3189 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3191 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3193 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3194 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3195 * configure, config.in: Regenerate.
3196 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3197 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3198 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3199 (doprint.o): New rule.
3201 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3203 * c-typeck.c (digest_init): Handle boolean types as scalars.
3205 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3207 * stmt.c (expand_return): Don't return anything if size is zero.
3208 Delete redundant assignment to BYTES.
3209 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3211 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3213 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3214 the same as the default library function names.
3215 * config/avr/avr.md: Document special characters after '%'.
3216 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3217 knowing which of the call-used registers are really clobbered.
3218 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3219 New. Both quotient and remainder from one libgcc.S call.
3220 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3221 clobber as few registers as possible.
3222 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3224 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3226 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3227 context of the top of the stack.
3229 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3231 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3232 (fixup_var_refs_insns): ...here.
3234 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3236 * function.c (fixup_var_refs_insns): Break up into
3237 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3238 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3239 [loop over hash table entries].
3240 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3241 fixup_var_refs_insns_with_hash, to match above changes.
3243 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3245 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3246 (libgcc.a): Likewise.
3247 (stmp-multilib): Likewise.
3248 (STAGE2_FLAGS_TO_PASS): Likewise.
3250 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3252 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3253 temporary if no_new_pseudos.
3255 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3257 * cppinternals.texi: Update.
3259 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3261 * arm.c (arm_init_builtins): Re-enable builtins.
3263 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3265 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3266 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3267 element to be null, and always expect an EXPR_LIST.
3268 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3269 * sched-deps.c (sched_analyze_1): Likewise.
3270 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3272 * regclass.c (max_set_parallel): New variable.
3273 (reg_scan): Take it into account in computation of max_parallel.
3274 (reg_scan_mark_refs, case SET): Compute it.
3276 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3277 args are REG.
3278 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3279 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3281 2001-01-19 Jason Merrill <jason@redhat.com>
3283 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3284 for the abstract instance of an inline function.
3286 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3287 J"orn Rennecke <amylaar@redhat.com>
3289 * reload1.c (move2add_note_store): Treat all registers directly or
3290 indirectly derived from a base register as members of the same set
3291 of values.
3292 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3293 of base register into account.
3295 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3297 * alias.c (find_base_value): Recognize TRUNCATE.
3298 (record_set): In PLUS case, invalidate if other summand is also a
3299 base value.
3301 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3303 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3304 entry to be EXPR_LIST.
3305 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3306 be an EXPR_LIST (but not null, which other code doesn't allow).
3307 (note_stores): Properly handle PARALLEL in SET.
3308 Recursively call for top-level PARALLEL.
3309 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3310 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3312 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3314 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3316 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3317 not pfile->skipping (== 0).
3319 2001-01-17 Nick Clifton <nickc@redhat.com>
3321 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3322 machine_status.
3324 2001-01-17 Jim Wilson <wilson@redhat.com>
3326 * invoke.texi (IA-64 options): Improve.
3328 2001-01-17 Tom Tromey <tromey@redhat.com>
3330 * invoke.texi (Optimize Options): Use `{}' to around @samp
3331 argument.
3333 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3335 * invoke.texi (-fno-guess-branch-probability): New option.
3337 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3339 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3340 case of making new double-word constant.
3341 Revert last change: instead just test i3_subst_into_i2.
3343 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3345 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3346 Use q constraints instead of r.
3348 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3350 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3351 (machine_function): Define.
3352 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3353 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3354 pa_free_machine_status): New functions.
3355 (override_options): Set {init,mark,free}_machine_status to above.
3356 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3357 PIC_OFFSET_TABLE_REGNUM_SAVED.
3358 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3359 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3360 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3361 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3362 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3364 2001-01-15 DJ Delorie <dj@redhat.com>
3366 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3367 (cpp.1): Ditto.
3368 (gcc.1): Ditto.
3370 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3372 * flow.c (propagate_on_insn): Make trying to delete a prologue
3373 or epilogue insn an ICE, not a warning. Allow doing this if
3374 the current function returns with stack pointer depressed.
3376 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3377 I3 having more than one SET.
3379 2001-01-16 Jim Wilson <wilson@redhat.com>
3381 * invoke.texi: Document IA-64 options.
3383 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3384 (fixup_errata): Delete TARGET_A_STEP use.
3385 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3386 (TARGET_SWITCHES): Delete -ma-step option.
3387 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3388 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3389 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3390 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3391 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3392 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3393 Delete.
3394 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3395 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3396 cmovsi_internal): Delete ! TARGET_A_STEP check.
3398 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3400 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3401 possibility to report bugs via postal mail. Change a URL and
3402 merge in a nearly duplicate statement...
3403 (Bug Reporting): ...from here.
3404 (Service): Refer to the Bug Reporting section instead of
3405 duplicating an URL.
3406 (Contributing): Remove trivial explanations concerning snapshots.
3408 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3410 * cppmain.c (general_init): Don't use ANSI prototype.
3412 2001-01-16 Tom Tromey <tromey@redhat.com>
3414 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3416 2001-01-16 Richard Henderson <rth@redhat.com>
3418 * config/i386/i386.h: Fix comment typo.
3419 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3420 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3422 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3424 * gcc.c: Revert previous -fsyntax-only-related change; move
3425 to cp/g++spec.c.
3427 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3429 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3430 inmode after checking GET_CODE (op).
3432 2001-01-16 Richard Henderson <rth@redhat.com>
3434 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3435 (MAX_MEM_SET_LIST_LEN): New.
3436 (propagate_one_insn): Update mem_set_list_len.
3437 (invalidate_mems_from_autoinc): Likewise.
3438 (invalidate_mems_from_set): Likewise.
3439 (mark_used_regs): Likewise.
3440 (init_propagate_block_info): Likewise. Stop collecting memories
3441 when we reach MAX_MEM_SET_LIST_LEN.
3442 (mark_set_1): Likewise.
3444 2001-01-16 Richard Henderson <rth@redhat.com>
3446 * unroll.c (precondition_loop_p): Fail if no iteration
3447 variable found.
3449 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3451 * gcc.c: When -fsyntax-only is given, do not complain about
3452 unused libraries.
3454 2001-01-15 Richard Henderson <rth@redhat.com>
3456 * config/i386/i386.c (asm_output_function_prefix): Remove.
3457 (ix86_asm_file_end): New.
3458 (load_pic_register): Generate pic_label_name into a
3459 staticly allocated buffer.
3460 * config/i386/i386-protos.h: Update.
3461 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3462 (ASM_FILE_END): New.
3463 * config/i386/i386afe.h: New file.
3464 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3465 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3466 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3467 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3468 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3469 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3470 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3472 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3474 * Makefile.in (install-man): Remove explicit dependency on
3475 $(srcdir)/gcc.1.
3477 * configure.in, configure: Revert previous patch requiring perl
3478 5.6.0.
3480 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3482 * toplev.c (flag_guess_branch_prob): New.
3483 (f_options): Add guess-branch-probability option.
3484 (rest_of_decl_compilation): Only estimate branch probability if
3485 flag set.
3486 (main): set flag_guess_branch_prob.
3488 * flags.h (flag_guess_branch_prob): New.
3490 2001-01-15 DJ Delorie <dj@redhat.com>
3492 * gcc.texi (Makefile): Add documentation for Makefile targets.
3494 2001-01-15 Philip Blundell <philb@gnu.org>
3496 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3497 (is_pic): Delete.
3498 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3499 (is_pic): Delete declaration.
3500 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3501 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3502 * config/arm/arm.md (builtin_setjmp_receiver): New.
3504 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3506 * arm.c (use_return_insn): Don't try to determine the function type
3507 until after reload has completed.
3508 (arm_output_epilogue): Don't adjust the sp value recovered from the
3509 stack.
3510 (emit_multi_reg_push): Don't record dwarf information for the pc.
3511 * arm.md (eh_epilogue): The function type may have changed, so it
3512 needs to be recalculated.
3513 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3514 unwind tables on arm/netbsd.
3516 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3518 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3519 (negated_cbranchsi4): Likewise.
3521 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3523 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3524 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3525 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3526 pass -mapcs-* options to assembler.
3527 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3528 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3529 (ASM_SPEC): Call subtarget_extra_asm_spec.
3531 2001-01-15 Andreas Jaeger <aj@suse.de>
3533 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3534 warnings.
3535 (ix86_expand_builtin): Likewise.
3537 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3538 warning about comparison between signed and unsigned.
3540 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3542 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3544 2001-01-14 Ralf Baechle <ralf@gnu.org>
3546 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3547 SUBTARGET_CPP_SPEC apropriatly.
3549 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3551 * varasm.c (make_decl_rtl): Fix typo in last change.
3553 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3555 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3556 linker supports the init_priority C++ attribute.
3557 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3558 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3559 linker does not support init_priority C++ attribute.
3561 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3563 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3565 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3567 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3568 * cp/lex.c (finish_parse): Similarly.
3569 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3570 Return the number of errors encountered.
3571 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3572 * cppmain.c (main): Don't call cpp_destroy.
3574 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3576 * configure.in: Require at least perl 5.6.0 to regenerate
3577 manpages.
3578 * configure: Regenerate.
3580 2001-01-14 Richard Henderson <rth@redhat.com>
3582 * genrecog.c (DT_veclen_ge): New.
3583 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3584 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3585 (nodes_identical_1): Handle DT_veclen_ge.
3586 (write_cond, debug_decision_2): Likewise.
3588 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3590 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3591 with ...
3592 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3594 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3596 * cppmain.c (do_preprocessing): New function; most of the old
3597 main.
3598 (main): Call it to do most of the work.
3599 (cb): Move from global scope to set_callbacks ().
3600 (setup_callbacks): Get the callback pointer.
3601 (general_init, printer_init): Clean up code and comments.
3603 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3605 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3606 compiling PIC.
3608 2001-01-14 Kazu Hirata <kazu@hxi.com>
3610 * config/h8300/h8300.c (get_shift_alg): Update comments.
3612 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3614 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3615 (alloc_page, ggc_alloc): Add casts to remove warnings.
3617 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3619 * combine.c (simplify_comparison): Don't change `code' when
3620 can't reverse comparison.
3622 2001-01-14 Richard Henderson <rth@redhat.com>
3624 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3625 update all call sites. Return true for all non-label constants.
3627 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3629 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3630 parameters.
3631 (ix86_expand_branch): Update.
3632 (ix86_expand_setcc): Update to handle multiple test conditions.
3633 (expand_int_movcc): Likewise.
3634 (expand_fp_movcc): Likewise.
3635 * i386-protos.h (ix86_expand_compare): New.
3636 * i386.md (andqi_?_slp, orqi_?_slp): New.
3637 (conditional trap expander): Update call to ix86_expand_compare.
3639 2001-01-14 Richard Henderson <rth@redhat.com>
3641 * config/vax/vax.md: Use nonimmediate_operand instead of
3642 general_operand in destinations.
3644 * config/vax/vax.md (indirect_jump): Use register_operand.
3646 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3647 * config/vax/vax.md (call_pop): Turn into an expander.
3648 (call_value_pop): Likewise.
3649 (call, call_value): New.
3651 2001-01-14 Andreas Jaeger <aj@suse.de>
3653 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3654 variables.
3655 (ix86_fp_compare_mode): Add unused attribute.
3656 (ix86_expand_fp_movcc): Remove unused variable.
3657 (ix86_expand_builtin): Make fcode unsigned.
3659 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3660 (expand_expr): Add cast to avoid signed warning.
3661 (store_field): Likewise.
3662 (store_constructor_field): Likewise.
3663 (store_constructor): Likewise.
3664 (store_expr): Likewise.
3665 (clear_storage): Likewise.
3666 (emit_group_store): Likewise.
3667 (emit_group_load): Likewise.
3669 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3671 * c-common.c: Move format checking code to ...
3672 * c-format.c: ... here. New file. Reorder some functions and
3673 declarations.
3674 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3675 New functions.
3676 * c-common.h (decl_handle_format_attribute,
3677 decl_handle_format_arg_attribute): Declare.
3678 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3679 (c-common.o): Adjust dependencies.
3680 (c-format.o): New list of dependencies.
3682 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3684 * unroll.c (loop_iterations): If we cannot prove iteration variable
3685 is set once in each iteration, punt.
3687 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3689 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3690 (*strlenhi): Remove clobber (which was buggy) of output address.
3692 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3694 * Makefile.in (generated-manpages): Add gcc.1
3695 ($(srcdir)/gcc.1): New target.
3696 (maintainer-clean): Delete $(srcdir)/gcc.1.
3697 * gcc.texi: Add macros @gccoptlist and @gol.
3698 * invoke.texi: Include option summary in manpage. Mark up option
3699 summary with @gccoptlist and @gol. Use @r in one place where
3700 appropriate.
3701 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3702 * gcc.1: Generate from invoke.texi.
3704 2001-01-13 Richard Henderson <rth@redhat.com>
3706 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3707 (struct page_entry): Add group member.
3708 (struct page_group): New.
3709 (struct globals): Add page_groups member.
3710 (alloc_anon): Only define for using mmap; remove valloc call.
3711 (page_group_index): New.
3712 (set_page_group_in_use): New.
3713 (clear_page_group_in_use): New.
3714 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3715 (free_page, release_pages): Likewise.
3716 * configure.in (with-gc): Default to ggc-page always.
3718 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3720 * reload1.c (replace_pseudos_in_call_usage): Use
3721 reg_equiv_constant and reg_equiv_address, and don't try
3722 regno_reg_rtx first.
3724 2001-01-13 Richard Henderson <rth@redhat.com>
3726 * ggc-page.c (alloc_page): Round up allocation size to one page.
3727 Set e->order on extra pages.
3729 2001-01-13 Richard Henderson <rth@redhat.com>
3731 * genrecog.c (nodes_identical): Expand commentary.
3732 (write_switch): Watch out for identical nodes.
3734 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3736 * cppfiles.c (_cpp_fake_include): New function.
3737 * cpphash.h (_cpp_fake_include): New.
3738 * cpplib.c (do_line): Call _cpp_fake_include when entering
3739 header files in preprocessed input.
3740 * cppmain.c (cb_pragma_implementation): Remove handling.
3741 (setup_callbacks): Don't register pragmas.
3743 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3745 * extend.texi: Udate for CPP.
3747 2001-01-13 Andreas Jaeger <aj@suse.de>
3749 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3751 * regmove.c: Add prototype for replace_in_call_usage.
3753 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3755 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3756 struct cpp_chunk, struct htab, struct toklist,
3757 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3758 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3759 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3760 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3761 (struct macro_args): Delete.
3762 * cpphash.h: See above.
3764 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3766 * cppmain.c (struct printer): Remove no_line_dirs.
3767 (options, cb): New.
3768 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3769 : Use options rather than CPP_OPTION.
3770 (setup_callbacks): Use cb rather than pfile->cb.
3771 (main): No need to check for a buffer. Use cpp_errors.
3772 (printer_init): Don't set no_line_dirs.
3773 (maybe_print_line): Use options not no_line_dirs.
3774 (cb_file_change): Don't call print_line if -P.
3776 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3778 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3779 callbacks.
3780 * c-parse.in (finish_parse): Use cpp_errors.
3781 (__yylex): Use return value of cpp_pop_buffer.
3782 * cp/lex.c (finish_parse): Use cpp_errors.
3783 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3785 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3787 * README.AVR: URLs corrected.
3789 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3791 * c-decl.c (start_function): Don't warn if old prototype is builtin
3792 that's not in C's namespace.
3793 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3794 (_bb): Add prototype for ctime.
3795 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3797 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3799 * i386.c (ix86_fp_comparison_arithmetics_cost,
3800 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3801 ix86_fp_comparison_cost): New functions.
3802 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3803 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3804 two-branch sequences; make static.
3805 (ix86_use_fcomi_compare): Do decision according to the costs.
3806 (split_fp_branch): New.
3807 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3808 * i386-protos.h (ix86_expand_fp_compare): Remove
3809 (ix86_split_fp_branch): Declare.
3811 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3812 and ix86_comparison_operator.
3814 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3815 to make it cheaper.
3817 * i386.c (put_condition_code): Output properly the unordered/ordered
3818 compares in fp case.
3819 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3821 * tm.texi (REVERSE_CONDITION): Document.
3822 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3823 in -ffast-math mode.
3824 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3826 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3828 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3830 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3831 optimized away.
3833 * config/sh/sh.c (mova_p): Fix test for mova_const.
3835 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3837 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3838 cpp_get_options rather than dereferencing pfile and using
3839 CPP_OPTION.
3840 * scan-decls.c (scan_decls): Use return value of
3841 cpp_pop_buffer rather than CPP_BUFFER.
3843 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3845 * cppinit.c (cpp_handle_option): help_only is now part of the
3846 cpp_options structure.
3847 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3848 cpp_set_callbacks): New functions.
3849 * cpplib.h (cpp_callbacks): Break out as a named structure.
3850 (cpp_options): Move help_only here from cpp_reader.
3851 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3852 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3853 cpp_set_callbacks): New prototypes.
3854 * cppmain.c (main): Update for help_only.
3856 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3858 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3859 Also build and remove and install and uninstall c-tree.info and
3860 cppinternals.info.
3861 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3862 ($(srcdir)/cppinternals.info): New target.
3863 * c-tree.texi: Change file name used when makeinfo used without -o
3864 from ir.info to c-tree.info. Add info directory entry.
3865 * cppinternals.texi: Add info directory entry.
3866 * .cvsignore: Update.
3868 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3870 * c-typeck.c (store_init_value): Don't require constant initializer
3871 elements with -pedantic -std=c99.
3872 (digest_init): Change error about non-constant initializer elements
3873 into pedwarn.
3874 (constructor_range_end): Remove.
3875 (constructor_incremental, designator_depth,
3876 designator_errorneous): New variables.
3877 (struct constructor_stack): Remove range_end, add incremental.
3878 (struct constructor_range_stack, constructor_range_stack): New.
3879 (struct initializer_stack): Add constructor_range_stack.
3880 (finish_init): Set it.
3881 (start_init): Likewise. require_constant_elements for non-static
3882 trees only if not flag_isoc99.
3883 (really_start_incremental_init): Remove constructor_range_end, add
3884 constructor_incremental.
3885 (pop_init_level): Likewise.
3886 (push_init_level): Likewise. If implicit and the subobject had some
3887 value set already, preinitialize the level with it.
3888 Warn about missing braces only if not pushing due to designators.
3889 (set_designator, push_range_stack): New functions.
3890 (set_init_label): Use them.
3891 (set_init_index): Likewise. Remove constructor_range_end.
3892 Error if designator index is outside of array bounds.
3893 (add_pending_init): Compare values of purpose index trees, not the
3894 trees themselves. Allow overwriting of already initialized element.
3895 Issue a warning if it had side-effects.
3896 (set_nonincremental_init, set_nonincremental_init_from_string): New
3897 functions.
3898 (pending_init_member): Rename to...
3899 (find_init_member): ...this function. Call set_nonincremental_init
3900 if necessary. Compare values of purpose index trees, not the trees
3901 themselves. Return the actual value, not just non-zero if something
3902 is found.
3903 (output_init_element): Remove checks for duplicates.
3904 If field has zero size, only check the initializer for correctness.
3905 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3906 if constructor_incremental is zero. Change error about initializers
3907 not computable at load time into pedwarn.
3908 (output_pending_init_elements): Compare bit positions, not
3909 FIELD_DECLs to take into account zero-sized fields.
3910 (process_init_element): Use constructor_range_stack to fill all
3911 ranges in the designator lists from current level up.
3912 * extend.texi: Update documentation for labeled elements.
3914 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3916 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3917 to function usage for arguments passed by reference. Optimize
3918 callee-copied arguments.
3919 * regmove.c (replace_in_call_usage): New function.
3920 (fixup_match_1): Call it.
3921 * cse.c (cse_insn): Canonicalize registers in function usage.
3922 * reload1.c (replace_pseudos_in_call_usage): New function.
3923 (reload): Call it.
3925 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3926 right version.
3928 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3930 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3931 not XEXP (tmp, 0).
3933 2001-01-12 DJ Delorie <dj@redhat.com>
3935 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3936 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3937 targets.
3939 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3941 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3942 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3943 -std options alongside references to -ansi. Update some
3944 documentation for C99.
3945 * cpp.1: Regenerate.
3947 2001-01-12 Andreas Jaeger <aj@suse.de>
3949 * haifa-sched.c (restore_line_notes): Remove argument block B
3950 since it's unused.
3951 * sched-ebb.c (schedule_ebb): Change caller.
3952 * sched-rgn.c (schedule_region): Likewise.
3953 * sched-int.h (restore_line_notes): Adjust prototype.
3955 * loop.h: Remove wrong declaration of doloop_condition_get.
3957 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3959 * extend.texi: Move C++-extension-related node from the C section
3960 into the C++ section.
3962 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3964 * extend.texi: Refer to an array of pointers to functions instead
3965 of one of functions.
3967 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3968 Jan Hubicka <jh@suse.cz>
3970 * combine.c (reversed_comparison): Fix typo in last patch.
3971 Check X for NULL.
3972 (combine_reversed_comparison_code): Make static to follow
3973 prototype declaration.
3975 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3977 * install.texi: Remove misplaced duplicate entry.
3979 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3981 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3983 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3985 * final.c: (leaf_function_p): Fix typo.
3987 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3989 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3990 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3991 which you have.
3992 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3993 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3994 mmap_anon, and valloc is available.
3995 * ggc-page.c: Restructure ifdef logic to match new autoconf
3996 spec. Don't throw away the test page in init_ggc.
3998 * configure, config.in: Regenerate.
4000 2001-01-12 Michael Hayes <mhayes@redhat.com>
4002 * loop.h (total_biv_increment): Constify iv_class pointer.
4003 (struct induction): Replace `mem_mode' with `mem' rtx.
4004 * unroll.c (total_biv_increment): Constify iv_class pointer.
4005 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
4006 (find_mem_givs, combine_givs_p): Likewise.
4007 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
4009 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
4011 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
4012 LastError.
4013 (__gthread_getspecific): Ditto.
4015 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
4017 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
4018 put_condition_code): Convert fp comparison codes to integer
4019 before handling.
4020 (ix86_expand_fp_compare): Postnote the fp comparison code converison
4021 to final.
4023 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
4024 * i386-protos.h (no_comparison_operator): Kill.
4026 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
4028 * combine.c (REVERSIBLE_CC_MODE): Remove.
4029 (reversible_comparison_p): Remove.
4030 (combine_reversed_comparison_code): New.
4031 (reversed_comparison): New.
4032 (combine_simplify_rtx): Use
4033 combine_reversed_comparison_code/reversed_comparison instead
4034 of reversible_comparison_p.
4035 (simplify_if_then_else): Likewise.
4036 (simplify_set): Likewise.
4037 (simplify_logical): Likewise.
4038 (if_then_else_cond): Likewise.
4039 (known_cond): Likewise.
4040 (simplify_comparison): Likewise.
4042 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
4044 * builtins.c (std_expand_builtin_va_start): Handle varargs when
4045 sizeof (int) is larger than sizeof(__word__).
4047 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4049 * cppinit.c (do_includes): Fix typo.
4051 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4053 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
4054 in S_REGS does not occur because not all sources are possible
4055 when a S_REGS is a destination (sometimes needs a clobber).
4056 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
4057 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
4058 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
4059 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
4060 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
4061 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
4062 (lshrdi_const1, lshrsi3_const16): Likewise.
4063 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
4064 (*movhi_68hc12, *movqi_68hc12): Likewise.
4065 (movstrictqi): Make sure reloading in D_REGS as a destination
4066 does not happen.
4068 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4070 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4072 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4074 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
4075 -D, -U and -A, and don't initialize the builtins.
4076 (do_includes): Error if -include or -imacros with -fpreprocessed.
4077 * cppmain.c (cb_define, cb_undef): Unconditionally process
4078 the callback.
4079 * tradcpp.c (main): Fix typo.
4081 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
4083 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
4084 (read_name_map): Use IS_ABSOLUTE_PATH.
4085 * tradcpp.c (get_filename): Likewise.
4087 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
4089 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
4090 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
4091 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
4092 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
4093 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
4094 (cmphi_z_used): Don't use '@' for the output.
4095 (tstqi_z_used): Likewise.
4096 (cmpqi_z_used): Likewise.
4097 (one_cmplsi2): Likewise.
4099 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4101 * config/sh/sh.c (barrier_align): Recognize branch around far
4102 branch and redundant insn.
4104 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
4106 * invoke.texi: Restore documentation of the drivers' switches -MD
4107 and -MMD.
4109 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
4111 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
4113 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
4114 check-objc//%): Support parallel testing of multilibs.
4115 (TESTSUITEDIR): Set to testsuite by default, but override for
4116 parallel testing.
4117 (check-gcc, check-g++, check-g77, check-objc): Enter
4118 $(TESTSUITEDIR).
4120 2001-01-11 Bernd Schmidt <bernds@redhat.com>
4122 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
4123 * sched-deps.c (deps_may_trap_p): Likewise.
4124 * basic-block.h: Remove a comment.
4125 * flow.c (PROP_POSTRELOAD): Remove.
4126 (update_life_info): Don't add it to prop_flags.
4127 (mark_set_1): Lose the code that was enabled by it.
4129 2001-01-11 Michael Hayes <mhayes@redhat.com>
4131 * flow.c (flow_call_edges_add): New.
4132 * basic_block.h (flow_call_edges_add): New.
4134 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4136 * reload1.c (move2add_note_store): Update reg_set_luid even if
4137 base reg remains the same.
4139 2001-01-10 Nick Clifton <nickc@redhat.com>
4141 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4142 machine_function structure to zero.
4143 Add prototypes for machine_status functions.
4145 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4147 * c-common.h (CTI_VOID_LIST): Remove.
4148 (void_list_node): Likewise.
4149 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4150 (void_list_node): New macro.
4151 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4152 * config/i386/i386.c (ix86_init_builtins): Likewise.
4153 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4155 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4157 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4158 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4159 if statement.
4160 * tradcpp.c: Include mkdeps.h.
4161 (deps, print_deps_phony_targets, deps_append, output_deps,
4162 init_dependency_output, output_deps): New.
4163 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4164 deps_output): Delete.
4165 (print_deps_missing_files): Rename deps_missing_files.
4166 (inhibit_output): Make global.
4167 (main): Delete inhibit_output, deps_stream, deps_target.
4168 Use mkdeps functionality in the same way as cpplib. Remove
4169 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4170 -M and -MM. Remove old handling of deps via deps_out, and
4171 old reading of environment variables.
4172 (get_filename): Update to use deps_add_dep.
4174 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4176 * output.h (make_function_rtl): Remove prototype.
4177 (make_decl_rtl): Likewise.
4178 * varasm.c (make_function_rtl): Remove.
4179 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4180 than from a third parameter.
4181 * tree.h (make_decl_rtl): Remove last parameter.
4182 * c-decl.c (builtin_function): Remove last argument in call to
4183 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4184 (start_function): Likewise.
4185 * except.c (call_get_eh_context): Likewise.
4186 * expr.c (emit_block_move): Likewise.
4187 (clear_storage): Likewise.
4188 * profile.c (output_func_start_profiler): Likewise.
4189 * toplev.c (rest_of_decl_compilation): Likewise.
4190 * objc/objc-act.c (create_builtin_decl): Likewise.
4191 (synth_module_prologue): Likewise.
4192 (generate_static_reference): Likewise.
4193 (build_selector_reference_decl): Likewise.
4194 (build_class_reference_decl): Likewise.
4195 (build_objc_string_decl): Likewise.
4196 (build_protocol_reference): Likewise.
4198 2001-01-10 Richard Henderson <rth@redhat.com>
4200 * hwint.h: Revert yesterday's change.
4202 2001-01-10 Nick Clifton <nickc@redhat.com>
4204 * function.h (save_machine_status): Delete.
4205 (restore_machine_status): Delete.
4206 Amend comment describing {init|mark|free}_machine_status.
4208 * function.c (save_machine_status): Delete.
4209 (restore_machine_status): Delete.
4210 Amend comment describing {init|mark|free}_machine_status.
4211 (push_function_context_to): Remove invocation of
4212 save_machine_status.
4213 (pop_function_context_from): Remove invocation of
4214 restore_machine_status.
4216 * emit-rtl.c (init_emit_once): Amend comment describing
4217 {init|mark|free}_machine_status.
4219 * tm.texi (Per-Function Data): New node. Describe the
4220 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4221 function pointers.
4223 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4225 * cppinit.c (OPT_g): Remove.
4226 (cpp_handle_option): Update for removed -g3.
4227 (print_help): Update.
4228 * cpplib.h (struct cpp_options): Remove debug_output.
4229 * cppmain.c (setup_callbacks, cb_define): Update.
4230 * gcc.c (cpp_options): Translate -g3 to -dD.
4232 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4234 * config/i960/i960.md: Change modifier to + on the zero_extract
4235 pattern after the (rotate -2 reg) canonicalization pattern.
4237 2001-01-10 Richard Henderson <rth@redhat.com>
4239 * config/alpha/alpha.c (alpha_free_machine_status): New.
4240 (override_options): Install it.
4241 (alpha_mark_machine_status): Verify machine non-null.
4242 * config/i386/i386.c (ix86_free_machine_status): New.
4243 (override_options): Install it.
4244 (ix86_init_machine_status): Use xcalloc.
4245 (ix86_mark_machine_status): Verify machine non-null.
4246 * config/ia64/ia64.c (ia64_free_machine_status): New.
4247 (ia64_override_options): Install it.
4248 (ia64_mark_machine_status): Verify machine non-null.
4250 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4252 * function.c (instantiate_virtual_regs): Instantiate virtual
4253 registers found in CALL_INSN_FUNCTION_USAGE.
4255 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4257 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4258 equivalent to -ansi in disabling -Di386.
4260 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4262 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4263 new functions.
4264 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4266 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4268 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4270 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4272 * invoke.texi: Document that -fcond-mismatch isn't supported for
4273 C++.
4275 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4277 * gcc.texi: Define macro gcctabopt.
4278 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4279 @command, @env and @option in some places where appropriate. Use
4280 @gcctabopt where appropriate. Put URLs and email addresses inside
4281 @w.
4283 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4285 * gcc.c (cpp_options): Set MD file name from output
4286 filename, if specified.
4287 (suffix_subst): New static variable.
4288 (do_spec): Clear it.
4289 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4290 Clear it.
4291 (give_switch): Handle suffix_subst.
4293 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4295 * invoke.texi: Fix another typo.
4297 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4299 * invoke.texi: Fix typo.
4301 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4303 * c-lang.c (lang_hooks): Update.
4304 (lang_decode_option): Remove.
4305 (lang_init_options): Rename c_init_options.
4306 * toplev.c (main): Use lang_hooks for lang_init_options
4307 and lang_decode_option.
4308 * toplev.h (lang_hooks): Add 2 new hooks.
4309 * tree.h: Remove lang_init_options and lang_decode_option.
4310 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4311 * cp/decl2.c: Similarly.
4312 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4313 (lang_hooks): Update.
4314 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4315 for consistency.
4316 (lang_init_options): Rename ffe_init_options.
4317 (lang_hooks): Update.
4318 (lang_decode_option): Remove.
4319 * java/lang.c (lang_init_options): Rename java_init_options.
4320 (lang_decode_option): Rename java_decode_option.
4321 (lang_hooks): Update.
4322 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4323 (lang_decode_option): Rename objc_decode_option.
4324 (lang_hooks): Update.
4326 2001-01-09 Nick Clifton <nickc@redhat.com>
4328 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4329 (d30v_return_addr_rtx): Delete.
4330 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4331 cfun->machine structure.
4332 (struct machine_function): Move to d30v.h
4333 (d30v_save_machine_status): Delete.
4334 (d30v_restore_machine_status): Delete.
4335 (d30v_init_machine_status): New Function.
4336 (d30v_mark_machine_status): New Function.
4337 (d30v_free_machine_status): New Function.
4338 (d30v_init_expanders): Use new functions.
4339 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4340 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4341 d30v_return_addr_rtx.
4343 * config/d30v/d30v.h (struct_machine): Move here.
4344 Add eh_epilogue_sp_ofs field.
4346 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4347 field in cfun->machine structure.
4349 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4351 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4352 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4353 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4355 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4357 * objc/lang-options.h: Remove bogus reference to
4358 Java trademark.
4360 2001-01-09 Kazu Hirata <kazu@hxi.com>
4362 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4363 return the result.
4365 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4367 * reload.c (find_reloads_address): Check for eliminable registers
4368 when substituting a constant expression for a pseudo.
4370 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4372 * c-common.c (enum format_type): Add format_type_error.
4373 (decode_format_type): New function.
4374 (decl_attributes): Use it.
4375 (format_kind_info): Adjust comment.
4377 2001-01-09 David O'Brien <obrien@BSDi.com>
4379 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4380 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4381 files in tm_file.
4382 * config/i386/gnu.h: Don't include required platform specific .h files,
4383 tm.h will do it instead.
4384 * config/i386/i386elf.h: Likewise.
4385 * config/i386/linux.h: Likewise.
4386 * config/i386/moss.h: Likewise.
4387 * config/mips/gnu.h: Likewise.
4389 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4391 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4392 (rs6000-ibm-aix3.[01]*): Likewise.
4393 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4394 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4395 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4396 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4397 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4398 (powerpc-*-eabiaix*): Likewise.
4399 (powerpc-*-eabisim*): Likewise.
4400 (powerpc-*-elf*): Likewise.
4401 (powerpc-*-eabi*): Likewise.
4402 (powerpc-*-rtems*): Likewise.
4403 (powerpc-*-linux*libc1): Likewise.
4404 (powerpc-*-linux*): Likewise.
4405 (powerpc-wrs-vxworks*): Likewise.
4406 (powerpcle-wrs-vxworks*): Likewise.
4407 (powerpcle-*-sysv*): Likewise.
4408 (powerpcle-*-elf*): Likewise.
4409 (powerpcle-*-eabisim*): Likewise.
4410 (powerpcle-*-eabi*): Likewise.
4411 (powerpcle-*-solaris2*): Likewise.
4412 * config/rs6000/aix31.h: Delete includes.
4413 * config/rs6000/aix3newas.h: Likewise.
4414 * config/rs6000/aix41.h: Likewise.
4415 * config/rs6000/aix43.h: Likewise.
4416 * config/rs6000/beos.h: Likewise.
4417 * config/rs6000/rtems.h: Likewise.
4418 * config/rs6000/sysv4.h: Likewise.
4420 2001-01-09 Kazu Hirata <kazu@hxi.com>
4422 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4423 Change an argument mode of machine_mode to shift_mode of
4424 shift_mode. Remove an extra error check.
4425 (emit_a_shift): Adopt to the new calling prototype of
4426 get_shift_alg.
4427 (function_prologue): Fix code for a monitor
4428 function. Support H8/S.
4429 (function_epilogue): Do not output pop for a monitor function.
4431 2001-01-09 Nick Clifton <nickc@redhat.com>
4433 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4434 (setup_incoming_varargs): Use sysv_varargs_p field of the
4435 cfun->machine structure.
4436 (struct machine_function): Move to rs6000.h
4437 (rs6000_save_machine_status): Delete.
4438 (rs6000_restore_machine_status): Delete.
4439 (rs6000_init_machine_status): New Function.
4440 (rs6000_free_machine_status): New Function.
4441 (rs6000_init_expanders): Use new functions.
4443 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4444 export.
4445 (struct machine_function): Move here.
4447 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4448 sysv_varargs_p field of the cfun->machine structure.
4450 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4451 Remove prototype.
4452 (rs6000_restore_machine_status): Remove prototype.
4454 2001-01-09 Richard Henderson <rth@redhat.com>
4456 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4457 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4458 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4459 (sched_analyze_2, sched_analyze_insn): Likewise.
4460 (sched_analyze, init_deps): Likewise.
4461 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4462 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4463 (compute_block_backward_dependences): Update propagate_deps call.
4465 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4467 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4469 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4471 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4472 (cpp_handle_option): Handle them.
4473 (cpp_post_options): Ensure one of -M or -MM is specified with
4474 any other -M? option.
4475 (init_dependency_output): Suppress output with -MG.
4477 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4479 * cpp.texi: Update.
4480 * invoke.texi: Update.
4482 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4484 * sh.md (reload_outsf): Generate recognizable patterns for
4485 TARGET_SH3E.
4487 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4489 * c-lang.c (lang_hooks): Update.
4490 (lang_init): Rename c_init.
4491 (lang_finish): Remove.
4492 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4493 and lang_finish ().
4494 * toplev.h (lang_hooks): Add init () and finish ().
4495 * tree.h (lang_init, lang_finish): Remove.
4496 * cp/tree.h (lang_init, lang_finish): Remove.
4497 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4498 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4499 lang_hooks): New.
4500 (lang_init, lang_finish): Remove.
4501 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4502 (lang_hooks): Update.
4503 * java/lang.c (lang_init): Rename java_init.
4504 (lang_finish): Remove.
4505 (lang_hooks): Update.
4506 * objc/objc-act.c (lang_init): Rename objc_init.
4507 (lang_finish): Remove.
4508 (lang_hoooks): Update.
4510 20001-01-09 Graham Stott <grahams@redhat.com>
4512 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4513 after `ptr` is initialised.
4515 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4517 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4518 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4519 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4520 stack adjusts, instead of r3.
4522 2001-01-09 Michael Hayes <mhayes@redhat.com>
4524 * flow.c (flow_loop_scan): Break out of ...
4525 (flow_loops_find) ... here.
4526 * basic-block.h (flow_loop_scan): New.
4527 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4528 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4530 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4532 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4533 macro_buffer_len.
4534 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4535 realloc()ing macro_buffer.
4537 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4538 if it's wider than long and the target's long is wider than the
4539 host's.
4541 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4543 Remove support for using UWIN as a host machine.
4544 * configure.in: Issue an error message.
4545 * configure: Regenerated.
4546 * config.gcc: Remove xm_* UWIN configury.
4547 * config/i386/xm-uwin.h: Remove.
4549 2001-01-08 Nick Clifton <nickc@redhat.com>
4551 * config/v850/v850.c (ra_rtx): Delete.
4552 (v850_save_machine_status): Delete.
4553 (v850_restore_machine_status): Delete.
4554 (v850_init_machine_status): New function.
4555 (v850_mark_machine_status): New function.
4556 (v850_free_machine_status): New function.
4557 (v850_return_addr): Use ra_rtx field in machine structure.
4558 (v850_init_expanders): Use new functions.
4560 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4561 * config/v850/v850.c: Change arguments to v850_output+* functions
4562 to take a const char *, to avoid compile time warning.
4563 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4564 (USER_LABEL_PREFIX): Redefine.
4566 2000-01-08 Jim Wilson <wilson@redhat.com>
4568 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4569 1 to unsigned HOST_WIDE_INT before left shift.
4571 2001-01-08 Nick Clifton <nickc@redhat.com>
4573 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4574 the machine structure has been allocated.
4575 (arm_free_machine_status): New function: Free the machine
4576 specific function structure.
4578 2001-01-08 Richard Henderson <rth@redhat.com>
4580 * jump.c (simplejump_p): Revert last change.
4582 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4584 * cppinit.c (init): Rename init_library.
4585 (cpp_create_reader): Update.
4586 * gcc.c (cpp_options): If -o given, use it as the target of
4587 any -M options.
4589 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4591 * arm.c (arm_arch5e): New variable.
4592 (all_cores): XScale is a 5TE device.
4593 (arm_override_options): Set arm_arch5e.
4594 (arm_init_builtins): __builtin_prefetch is in arch5e.
4595 * arm.h (arm_arch5e): Declare it.
4597 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4599 * arm.md (define_constants): Add defines for UNSPEC and
4600 UNSPEC_VOLATILE insns. Update all users.
4601 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4602 * arm.c (multi_register_push, note_invalid_constants)
4603 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4604 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4605 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4607 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4609 * jump.c (jump_optimize_1): Use reversed_comparison_code
4610 instead of can_reverse_comparison_p.
4611 (jump_back_p): Likewise.
4612 (invert_exp_1): Likewise.
4613 (thread_jumps): Likewise.
4614 * simplify-rtx.c (simplify_unary_operation): Likewise.
4615 (simplify_ternary_operation): Likewise.
4616 * cse.c (find_comparison_args): Convert to use
4617 can_reverse_comparison_p.
4618 (record_jump_equiv): Likewise.
4620 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4622 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4623 (EPILOGUE_USES): Define.
4624 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4625 automatically stack the LR if it isn't live.
4627 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4629 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4630 properly.
4632 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4634 * ggc-page.c (max_alignment): New structure.
4635 (MAX_ALIGNMENT): New macro.
4636 (init_ggc): Use it to round up the sizes in the
4637 extra_order_size_table.
4639 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4641 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4642 after reload.
4644 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4646 * builtins.def (BUILT_IN_FPRINTF): New entry.
4648 * c-common.c (c_expand_builtin_fprintf): New function.
4649 (init_function_format_info): Handle __builtin_fprintf.
4650 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4651 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4653 * c-decl.c (duplicate_decls): Adjust comment.
4655 * extend.texi (fprintf): Document new builtin.
4657 2001-01-07 Richard Henderson <rth@redhat.com>
4659 * jump.c (simplejump_p): Recognize any single_set jump
4660 of the proper form.
4662 2001-01-07 Richard Henderson <rth@redhat.com>
4664 * configure.in (slibdir): Accept an --with-slibdir option.
4665 Use "test" not "[" in configure. Default to $(libdir).
4667 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4668 fix typo in rm -f.
4669 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4670 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4671 (SHLIB_LINK): Create links for the soname.
4672 * config/mips/t-iris6: Likewise.
4673 * config/sparc/t-slibgcc: Likewise.
4674 * config/sparc/t-slibgcc-sld: Likewise.
4676 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4678 * config/i386/i386.c (constant_call_address_operand): Accept
4679 (const (plus (symbol_ref) (const_int))).
4680 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4681 constant_call_address_operand.
4683 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4685 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4686 and LONG_LONG_TYPE_SIZE > 32.
4688 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4690 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4691 the previous change.
4693 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4695 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4696 New.
4697 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4698 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4699 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4700 Declare.
4702 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4704 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4706 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4708 * c-lang.c (c_post_options): Call cpp_post_options.
4709 * objc/objc-act.c (objc_post_options): Similarly.
4710 * cppmain.c (main): Similarly.
4711 * fix-header.c (read_scan_file): Similarly.
4712 * cppinit.c (cpp_start_read): Move option consistency checks
4713 to cpp_post_options. Don't call init_dependency_output.
4714 If needed, add default target and main file dependency.
4715 (OPT_MD, OPT_MMD): Remove.
4716 (OPT_MF): New.
4717 (cpp_handle_option): Update for OPT_* changes.
4718 (cpp_post_options): New.
4719 (init_dependency_output): Command line -MF overrides environment
4720 variables. Don't set default target etc. Suppress output
4721 if dependencies are going to stdout.
4722 (print_help): Update.
4723 * cpplib.h (cpp_post_options): New.
4724 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4726 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4728 * jump.c (comparison_dominates_p): Support unordered compares.
4730 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4732 * simplify-rtx.c (simplify_relational_operation): Always simplify
4733 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4734 and UNGE.
4736 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4738 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4739 (nonzero_bits): Likewise.
4740 (simplify_comparison): Likewise.
4741 (num_sign_bit_copies): Likewise; return more sane value depending
4742 on STORE_FLAG_VALUE.
4743 (known_cond): Do not assume EQ to be always true for equivalent
4744 operands.
4746 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4748 * cse.c (fold_rtx): Handle unordered comparisons.
4750 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4752 * rtlanal.c (set_of_1): New static function.
4753 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4754 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4755 reg_set_last_last_regno): Remove.
4756 (set_of): New global function.
4757 (set_of_data): New structure.
4758 (reg_set_p, reg_set_last): Revamp for set_of.
4759 * rtl.h (set_of): New.
4761 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4763 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4764 * extend.texi: Document _Exit builtin.
4766 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4768 * (initialize, initialize_builtins,
4769 initialize_dependency_output, initialize_standard_includes):
4770 Rename s/initialize/init. Update.
4771 (init_dependency_output): Move to after
4772 cpp_handle_options, the correct location temporally at least.
4773 (opt_comp): Move next to init (), its caller. Fix prototype.
4774 (init): Make "initialized" local scope.
4775 (cpp_create_reader): Always call init ().
4776 (cpp_start_read): Update.
4777 (output_deps): New function, broken out of cpp_finish.
4778 (cpp_finish): Break out output_deps.
4780 2001-01-07 Richard Henderson <rth@redhat.com>
4782 * collect2.c (COFF specific stuff): Revert 12-06 patch
4783 to prototype system functions.
4785 2001-01-07 Michael Hayes <mhayes@redhat.com>
4787 * hard-reg-set.h: Add multiple include guard.
4788 * basic-block.h (struct loop): Add `sink' field.
4789 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4790 (emit_iv_add_mult): Delete.
4791 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4792 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4793 (unroll_loop): Remove end_insert_before argument.
4794 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4795 (maybe_eliminate_biv_1): Likewise.
4796 (emit_iv_add_mult): Delete.
4797 (gen_add_mult, loop_regs_update): New.
4798 (loop_insn_emit_after, loop_insn_emit_before): New.
4799 (loop_insn_sink, loop_insn_sink_or_swim): New.
4800 (emit_iv_add_mult): Delete.
4801 (scan_loop): Set loop->sink.
4802 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4803 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4804 (maybe_eliminate_biv_1): Likewise.
4805 (maybe_eliminate_biv_1): Add basic block argument.
4806 * unroll.c (unroll_loop): Remove end_insert_before argument.
4807 (find_splittable_regs): Likewise.
4808 (find_splittable_regs): Use loop_insn_sink and its ilk.
4809 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4811 2001-01-07 Michael Hayes <mhayes@redhat.com>
4813 * loop.h (loop_insn_hoist): New prototype.
4814 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4815 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4816 (check_dbra_loop, load_mems): Likewise.
4817 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4818 (find_splittable_givs): Likewise.
4820 2001-01-07 Michael Hayes <mhayes@redhat.com>
4822 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4824 2001-01-07 Richard Henderson <rth@redhat.com>
4826 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4828 2001-01-07 Richard Henderson <rth@redhat.com>
4830 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4831 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4832 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4833 variant that handles a shared libgcc.
4834 (process_command): Always validate -{static,shared}-libgcc.
4835 (do_spec_1): New 'M' case.
4836 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4838 2001-01-07 Richard Henderson <rth@redhat.com>
4840 * Makefile.in (slibdir): New variable.
4841 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4842 (installdirs): Create slibdir.
4843 (install-libgcc, install-multilib): Defer to libgcc.mk.
4844 * configure.in (slibdir): Substitute.
4845 * mklibgcc.in (install): New target.
4847 * config/t-linux (SHLIB_LINK): Create links for the soname.
4848 (SHLIB_INSTALL): New.
4849 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4850 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4851 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4852 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4853 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4855 2001-01-07 Richard Henderson <rth@redhat.com>
4857 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4858 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4859 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4861 2001-01-07 Michael Hayes <mhayes@redhat.com>
4863 * loop.c (count_loop_regs_set): Delete.
4864 (load_mems_and_recount_loop_regs_set): Delete.
4865 (loop_regs_scan): Merge common code from count_loop_regs_set,
4866 scan_loop, and load_mems_and_recount_loop_regs_set.
4867 (scan_loop): Call load_mems directly and loop_regs_scan
4868 again if new registers created.
4870 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4872 * toplev.c (main): Call the front-end specific post_options
4873 hook if one is given.
4874 * toplev.h (struct_lang_hooks, lang_hooks): New.
4875 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4876 for the C front end.
4877 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4878 lang_hooks for the C++ front end.
4879 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4880 lang_hooks for the ObjC front end.
4881 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4882 * java/lang.c (lang_hooks): Hooks for the Java front end.
4884 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4886 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4887 for verbose DWARF[2] debugging.
4888 (cb_define, cb_undef): The new callbacks.
4889 * toplev.h (debug_define, debug_undef): Make const correct.
4890 * toplev.c (debug_define, debug_undef): Similarly. Do not
4891 perform the verbosity tests here anymore.
4893 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4895 * reload.c (subst_reloads): Take INSN argument. When
4896 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4897 * reload.h (subst_reloads): Adjust prototype.
4898 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4899 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4900 present in JUMP_INSNs and copy them to JUMP_LABEL.
4901 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4902 JUMP_INSNs and insns with REG_LABELs that are followed by
4903 JUMP_INSNs with the same REG_LABEL.
4904 * sched-rgn.c (is_cfg_nonregular): Likewise.
4905 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4906 note is available.
4907 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4908 JUMP_INSNs too.
4909 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4911 2001-01-06 Richard Henderson <rth@redhat.com>
4913 * loop.c (scan_loop): Use xcalloc for the regs array.
4914 (load_mems_and_recount_loop_regs_set): Zero the new memory
4915 received from xrealloc.
4917 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4919 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4921 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4923 * integrate.c (copy_rtx_and_substitute): When copying
4924 an ignored return value, strip REG_FUNCTION_VALUE_P.
4926 2001-01-06 Michael Hayes <mhayes@redhat.com>
4928 * loop.c (debug_biv, debug_giv): New.
4929 (loop_biv_dump): Break out from ...
4930 (record_biv): ... here.
4931 (loop_giv_dump): Break out from ...
4932 (record_giv): ... here.
4933 (loop_bivs_check): Use print_simple_rtl.
4934 * unroll.c (loop_iterations): Use print_simple_rtl.
4936 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4938 * pa.md (return, return_internal): Modify patterns to prevent regrename
4939 mucking with the return pointer.
4941 2001-01-05 Richard Henderson <rth@redhat.com>
4943 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4945 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4947 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4948 version supplied by Matteo Frigo.
4950 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4952 * cpp.texi: Update for -MQ.
4953 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4954 (cpp_cleanup): Always free pfile->deps.
4955 (initialize_dependency_output): Don't create pfile->deps.
4956 (cpp_handle_option): Similarly.
4957 (OPT_MQ): New.
4958 * gcc.c (cpp_options): Handle -MQ.
4959 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4960 * mkdeps.c (base_name): Remove.
4961 (deps_init): Don't allocate vector space until it's needed.
4962 (deps_free): Only free vectors if allocated.
4963 (deps_add_target, deps_add_dep): Update for initial allocation.
4964 (deps_add_default_target): Don't strip to the base_name.
4966 2001-01-05 DJ Delorie <dj@redhat.com>
4968 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4969 (INIT_EXPANDERS): Define.
4971 * config/v850/v850.c (struct machine_function): Define.
4972 (v850_save_machine_status): New function.
4973 (v850_restore_machine_status): New function.
4974 (v850_return_addr): New function.
4975 (v850_init_expanders): New function.
4977 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4978 and v850_init_expanders.
4980 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4982 * cpplib.h (struct cpp_reader): Add help_only field.
4983 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4984 (cpp_handle_option): Set pfile->help_only if we see -h,
4985 --help, -target-help, or --version. Print version string but
4986 do not set help_only if we see -v or -version. Make text
4987 printed by -v match that printed by (-)-version.
4989 * cppmain.c (main): Exit after option parsing if
4990 pfile->help_only is true.
4992 * toplev.c (independent_decode_option): Call print_version,
4993 then exit, if we see --version (but not -version).
4994 (print_version): Split lengthy message into two lines.
4996 2001-01-05 Nick Clifton <nickc@redhat.com>
4998 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4999 temporary string for initialisation before calling ggc_alloc_string.
5001 2001-01-06 Michael Hayes <mhayes@redhat.com>
5003 * rtl.h (print_simple_rtl): New.
5004 * print-rtl.c (print_simple_rtl): New.
5005 (flag_simple): New.
5006 (print_rtx): Disable printing of flags and modes, etc.,
5007 if `flag_simple` nonzero.
5009 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
5011 * function.c (fixup_var_refs): Use push_to_full_sequence where
5012 possible.
5014 2001-01-05 Michael Meissner <meissner@redhat.com>
5016 * flags.h (flag_reorder_blocks): Add declaration.
5017 (flag_rename_block): Ditto.
5019 2001-01-05 DJ Delorie <dj@redhat.com>
5021 * function.c (reorder_blocks): Make sure the flags are all reset
5022 before using them to mark blocks, else a second invocation will
5023 corrupt the block chain.
5024 (reorder_blocks_0): New, resets the flags.
5026 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
5028 * cse.c (find_comparison_args): Stop if the argument is known to
5029 be constant.
5031 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5033 * config/sh/sh.md (movdf): When splitting load into pair of
5034 registers, don't clobber the register used in the address too
5035 early.
5037 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
5039 * varasm.c (mark_constant_pool): Improve initial comments.
5040 (mark_constants): Move marking of constants to mark_constant.
5041 (mark_constant): New function to recursively mark all constants
5042 referred to by a constant.
5044 2001-01-05 Catherine Moore <clm@redhat.com>
5046 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
5048 2001-01-05 Phil Edwards <pme@sources.redhat.com>
5050 * cp/lang-options.h: Bring comment in line with reality.
5051 * f/lang-options.h: Likewise.
5052 * java/lang-options.h: Likewise.
5053 * objc/lang-options.h: Likewise.
5054 * ch/lang-options.h: Likewise.
5055 * f/g77.texi: And update the manual.
5057 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
5058 Denis Chertykov <denisc@overta.ru>
5060 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
5061 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
5062 * config/avr/avr.md (all peepholes that request a scratch register):
5063 Call it, FAIL the peephole if not safe (in interrupt functions).
5065 2001-01-05 Mark Mitchell <mark@codesourcery.com>
5067 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
5069 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
5071 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
5072 Define.
5073 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
5074 BUILT_IN_CREAL and BUILT_IN_CIMAG.
5075 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
5076 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
5077 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
5078 BUILT_IN_CIMAG.
5079 * extend.texi: Document these builtins.
5081 2001-01-05 Daniel Berlin <dberlin@redhat.com>
5083 * c-common.c (lang_get_alias_set): Say we know nothing of
5084 VECTOR_TYPE aliasing.
5086 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
5088 2001-01-05 Bruce Korb <bkorb@gnu.org>
5090 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
5091 their x* equivalent versions for atexit-less systems
5092 * fixinc/fixincl.c(main): do not return from main() on atexit-less
5093 systems (or any other system any more).
5095 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
5097 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
5098 output operands. Use arm_hard_register_operand for operand 4.
5099 (stmsi_postinc): Similarly.
5100 (ldmsi): Use arm_hard_register_operand for opernand 2.
5101 (stmsi): Similarly.
5102 * arm.c (arm_hard_register_operand): New function.
5103 * arm-protos.h (arm_hard_register_operand): Prototype it.
5105 * arm.h (HARD_REGNO_RENAME_OK): Define.
5107 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
5109 * simplify-rtx.c (cfc_args): add "unordered" field.
5110 (check_fold_consts): Set unordered field.
5111 (simplify_relational_operation): Simplify the unordered
5112 comparisons.
5114 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
5115 is valid.
5117 * emit-rtl.c (try_split): Fix code to mark labels.
5118 * jump.c (mark_jump_label): Make global.
5119 * rtl.h (mark_jump_label): Declare.
5121 * predict.c (estimate_probability): Handle unordred comparisons.
5123 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
5125 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
5126 * cppinit.c (initialize_dependency_output): Update.
5127 (cpp_finish): Output dummy targets for -MP.
5128 (OPT_MP): New.
5129 (cpp_handle_option): Handle -MP. Don't quote -MT options.
5130 * cpplib.h (struct cpp_options): Add deps_phony_targets.
5131 * gcc.c (cpp_options): Update to handle -MP.
5132 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5133 to quote only the default target.
5134 (deps_phony_targets): Insert a preceding newline. Rename from
5135 deps_dummy_targets for consistency.
5136 * mkdeps.h: Update
5138 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5140 * calls.c (emit_library_call_value_1): Support
5141 INIT_CUMULATIVE_LIBCALL_ARGS.
5142 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5144 2001-01-04 Richard Henderson <rth@redhat.com>
5146 * c-decl.c (finish_struct): Detect flexible array members
5147 used in an inappropriate context.
5148 * c-typeck.c (really_start_incremental_init): Special case
5149 constructor_max_index for zero length arrays.
5150 (pop_init_level): Allow initialization of flexible array
5151 members. Deprecate initialization of zero length arrays.
5152 Don't issue missing initializer warning for flexible array
5153 members or zero length arrays.
5154 (process_init_element): Don't dereference null DECL_SIZE.
5155 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5156 Don't abort for empty constructors. Use size_binop
5157 (output_constructor): Add commentary regarding zero length
5158 array futures. Abort if we try to initialize an array of
5159 unspecified length with a non-empty constructor in the middle
5160 of a structure.
5162 * extend.texi (Zero Length): Update and clarify documentation
5163 on static initialization.
5165 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5167 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5168 with more than 32767 words of local storage.
5170 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5172 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5173 for 'abs', 'labs', and 'fabs'.
5174 (c4x_expand_builtin): Likewise.
5175 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5177 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5179 * config/sh/sh.md (prget, prset): New insn types.
5180 (return delay slot): Dont' allow prset.
5181 (call, sfunc delay slot): Don't allow prget.
5182 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5183 for prset and prget.
5185 2001-01-05 Michael Hayes <mhayes@redhat.com>
5187 * loop.h (struct loop_reg): New.
5188 (struct loop_regs): Change to use array of `struct loop_reg'.
5189 * loop.c: Replace assortment of varrays with single regs array.
5190 (count_one_set): Delete may_not_move array argument
5191 and use regs array instead. All caller's changed.
5192 (count_loop_regs_set): Delete may_not_move and single_usage
5193 arguments and use regs array instead. All caller's changed.
5194 (find_single_use_in_loop): Replace usage array argument with pointer
5195 to regs structure. All caller's changed.
5196 (loop_optimize): Delete `moved_once' array.
5198 2001-01-05 Michael Hayes <mhayes@redhat.com>
5200 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5201 Use it instead of loop_info->has_call for scanning loop mems.
5202 (check_dbra_loop): Replace loop_info->has_call test with
5203 loop_info->has_nonconst_call.
5205 2000-01-04 Matthew Hiller <hiller@redhat.com>
5207 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5208 for TARGET_SH3E.
5210 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5212 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5213 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5215 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5217 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5218 (flag_short_double, flag_short_wchar): Define.
5219 (c_common_nodes_and_builtins): Create many tree nodes shared
5220 between C and C++ here instead of in cp/decl.c and ...
5221 * c-decl.c (init_decl_processing): ... here.
5222 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5223 (flag_short_double, flag_short_wchar): Don't define.
5224 (record_builtin_type): New function.
5225 (build_void_list_node): New function.
5226 * c-common.h (flag_short_double, flag_short_wchar,
5227 record_builtin_type, build_void_list_node): Declare.
5229 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5231 * integrate.c (expand_inline_function): Don't put a virtual
5232 register into the reg map.
5234 * function.c (fixup_var_refs_1): If force_operand didn't put
5235 the address into the target, move it there.
5237 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5239 Special-case tree_decl/tree_list allocations.
5240 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5241 (OBJECT_SIZE): New macro.
5242 (NUM_EXTRA_ORDER): Likewise.
5243 (extra_order_size_table): New variable.
5244 (NUM_ORDERS): New macro.
5245 (objects_per_page_table): New variable.
5246 (object_size_table): New variable.
5247 (G.pages): Use NUM_ORDERS to bound the array.
5248 (G.page_tails): Likewise.
5249 (DIV_ROUND_UP): Remove.
5250 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5251 (alloc_page): Use OBJECT_SIZE.
5252 (size_lookup): Don't make it const.
5253 (ggc_alloc): Use OBJECT_SIZE.
5254 (ggc_set_mark): Likewise.
5255 (ggc_get_size): Likewise.
5256 (init_ggc): Set up the object_size_table, objects_per_page_table,
5257 and adjust size_lookup.
5258 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5259 (ggc_pop_context): Use NUM_ORDERS.
5260 (clear_marks): Likewise.
5261 (sweep_pages): Likewise.
5262 (poison_pages): Likewise.
5263 (ggc_print_statistics): Use OBJECT_SIZE.
5265 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5267 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5268 Only call array_size_for_constructor if last field and array type
5269 with no upper bound.
5271 2001-01-04 Philip Blundell <philb@gnu.org>
5273 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5274 from bit 31 downwards, if this requires no more insns.
5275 (count_insns_for_constant): New helper function for above.
5277 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5279 * gencodes.c (output_predicate_decls): Remove empty initializer.
5281 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5283 * tree.c (copy_node): Remove documentation about obstacks.
5284 (buidl1): Check that nobody tries to build 2-argument nodes this
5285 way.
5287 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5289 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5290 fp_high_losum_p.
5292 * gencodes.c (output_predicate_decls): Fill empty initializer
5293 braces.
5295 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5297 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5298 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5299 or -MM.
5300 (do_include): Handle missing headers like cpp0.
5301 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5302 paths with first include pathname. Don't strcat to uninitialized
5303 string.
5305 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5307 * regrename.c (regrename_optimize): Don't rename from frame pointer
5308 if frame_pointer_needed.
5309 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5310 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5311 (ia64_reorg): Use it instead of scheduling if ! optimize.
5312 (errata_emit_nops): Properly call asm_noperands.
5313 (ia64_sched_reorder): Finish cycle if we see an asm.
5314 (ia64_variable_issue): Clear scheduling state after asms.
5316 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5318 * cpp.texi: Update for -MT.
5319 * cppinit.c (initialize_dependency_output): Add a default
5320 target if none has been given already.
5321 (no_tgt, OPT_MT): New.
5322 (cpp_handle_option): Handle -MT. Update -M etc.
5323 * cpplib.h (struct cpp_options): Remove deps_target.
5324 * gcc.c (cpp_options): Handle -MT.
5325 * mkdeps.c (struct deps): Move from mkdeps.h.
5326 (deps_calc_target): Rename deps_add_default_target. Add a
5327 default target if none has been specified already.
5328 * mkdeps.h (struct deps): Move to mkdeps.c.
5329 (deps_calc_target): Rename deps_add_default_target.
5331 2000-01-03 Richard Henderson <rth@redhat.com>
5333 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5334 Remove dead code.
5335 * c-typeck.c (push_init_level): Move checks for flexible array
5336 members and zero length arrays ...
5337 (pop_init_level): ... here. Silently discard empty initializations.
5338 Remove dead code.
5339 * varasm.c (output_constructor): Update for sizeof change to
5340 zero-length arrays.
5342 * extend.texi (Zero Length): Clarify semantics.
5344 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5346 * configure.in (tm.h): Include isns-codes.h last.
5347 * configure: Rebuilt.
5349 2001-01-03 Richard Henderson <rth@redhat.com>
5351 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5352 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5354 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5356 * tradcpp.c (main): Make sure finclude() is called with a valid
5357 indepth value while handling -include.
5359 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5361 * gencodes.c (output_predicate_decls): New function.
5362 (main): Call it.
5363 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5364 even if it is not the first time machmode.h is #included.
5365 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5366 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5367 * gcc.texi (Copyright): Added 2001.
5369 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5371 * c-common.c (c_common_lang_init): New function. Warn if format
5372 warning options which only have effects when used with -Wformat
5373 are used without -Wformat.
5374 * c-common.h (c_common_lang_init): Declare.
5375 * c-lang.c (lang_init): Call c_common_lang_init.
5376 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5378 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5380 * configure.in: Check for the mktemp command.
5381 * configure: Regenerate.
5382 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5383 $TEMP. Create temporary files with mktemp, if available at
5384 configure time; otherwise use set -C. Remove temporary files
5385 before exit.
5387 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5389 * configure.in: Require at least texinfo 4.0. Check for whether
5390 Pod::Man is sufficiently recent to regenerate GCC manpages.
5391 * configure: Regenerate.
5392 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5393 on #!.
5394 (GENERATED_MANPAGES): Define.
5395 (generated-manpages): New target. Depend on cpp.1 as well as
5396 gcov.1.
5397 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5398 configure to generated-manpages or empty) rather than on the
5399 manpages directly. Remove execute permission from installed
5400 gcov.1 as well as cpp.1.
5401 * cpp.1, gcov.1: Regenerate.
5403 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5405 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5406 tree_low_cst. Allow using cmpstrsi in more cases.
5408 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5410 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5411 sized types.
5413 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5415 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5416 * Makefile.in (HOST_CFLAGS): Mention build-make.
5418 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5420 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5421 as JUMP_INSN.
5423 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5425 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5426 a REG rtx.
5428 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5429 callers changed.
5431 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5432 reg_base_value and reg_known_value arrays.
5433 (init_alias_analysis): Add more cases to detect known values.
5434 * sched-deps.c (deps_may_trap_p): New function.
5435 (sched_analyze_2): Use it.
5437 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5439 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5440 don't discard an ASHIFTRT if we're shifting in a wider mode.
5442 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5444 * toplev.c (rest_of_compilation): Don't print basic block information
5445 when CFG isn't up to date.
5447 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5449 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5450 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5451 (UNALIGNED_SHORT_ASM_OP): Define.
5452 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5454 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5456 * fold-const.c (fold_convert): Fix typo.
5458 2001-01-02 Richard Henderson <rth@redhat.com>
5460 * c-common.h (ASM_INPUT_P): New.
5461 * c-parse.in (asm): Set it when needed.
5462 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5463 existance of an operand.
5465 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5467 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5468 (dwarf2out_frame_debug_expr): Likewise.
5469 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5471 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5473 * i386.c (ix86_split_to_parts): Return number of part required;
5474 handle TFmodes.
5475 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5476 TFmodes.
5477 (ix86_split_long_move): Use number of part returned
5478 by ix86_split_to_parts
5479 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5480 New macros.
5481 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5482 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5483 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5484 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5485 (ALIGN_MODE_128): Add TFmode.
5486 (IS_STACK_MODE): Likewise.
5487 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5488 (HARD_REGNO_OK): Support TFmodes.
5489 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5490 * i386.md (scheduler definitions): Use memory operand to determine
5491 fst/fld instructions; use mode attribute to determine real mode of
5492 the instruction.
5493 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5494 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5496 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5498 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5500 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5502 * expr.c (store_constructor_field): Update ALIGN before calling
5503 store_constructor.
5505 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5507 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5508 host_integerp.
5510 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5512 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5513 incomplete type.
5515 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5517 * c-decl.c (start_function): Don't warn on third parameter to main.
5519 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5521 * tsystem.h: Define HAVE_DECL_GETOPT.
5523 2001-01-02 Philip Blundell <pb@futuretv.com>
5525 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5526 of input operand.
5528 2001-01-02 Richard Henderson <rth@redhat.com>
5530 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5532 2001-01-02 Andreas Jaeger <aj@suse.de>
5534 * c-decl.c (c_decode_option): Remove support of
5535 -Wmissing-noreturn.
5537 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5538 (W_options): Add -Wmissing-noreturn here.
5540 * flow.c: Define lang_missing_noreturn_ok_p.
5541 (check_function_return_warnings): Use it.
5543 * c-common.h: Declare lang_missing_noreturn_ok_p.
5545 * c-lang.c (c_missing_noreturn_ok_p): New function.
5546 (lang_init): Set lang_missing_noreturn_ok_p.
5548 * invoke.texi (Warning Options): Document this.
5550 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5552 * extend.texi (C++ Extensions): New node for C++ attributes;
5553 describe init_priority and com_interface.
5554 * invoke.texi: Remove -finit-priority as it now has zero effect.
5555 * install.texi: Fix xref syntax.
5556 * md.texi: Likewise.
5558 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5560 * config.gcc (sparc64-wrs-vxworks*): New case.
5561 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5563 * config/sparc/sparc.c (sparc_override_options): Do support different
5564 pointer and architecture size.
5565 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5566 (POINTERS_EXTEND_UNSIGNED): Define.
5567 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5568 (FUNCTION_MODE): Define to be Pmode.
5569 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5571 * function.c (expand_function_end): Properly handle DECL_RESULT
5572 and copy when ptr_mode != Pmode.
5573 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5575 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5577 * c-common.c (c_common_nodes_and_builtins): Set prototype
5578 parameters for __builtin_fputs, __builtin_fputc and
5579 __builtin_fwrite. Don't declare plain fputc as a builtin.
5581 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5583 * loop.c (add_label_notes): Increment the label usage count when
5584 a note is added to an insn which refers to a CODE_LABEL.
5585 * gcse.c (add_label_notes): Likewise.
5587 2001-01-01 Andreas Jaeger <aj@suse.de>
5589 * loop.c (scan_loop): Use xmalloc to allocate movables.
5591 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5593 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5594 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5595 * reload1.c (REGISTER_MOVE_COST): Likewise.
5596 * regclass.c (REGISTER_MOVE_COST): Likewise.
5597 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5598 dimension. Adjust all users.
5599 (init_reg_sets_1): Iterate on all modes.
5600 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5601 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5602 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5603 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5604 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5605 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5606 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5607 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5608 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5609 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5610 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5611 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5612 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5613 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5614 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5615 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5616 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5617 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5618 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5619 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5620 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5621 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5622 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5623 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5624 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5625 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5626 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5628 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5630 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5631 arg VARIES_P. Call it with extra arg.
5632 (true_dependence): Likewise.
5633 * rtl.h (rtx_addr_can_trap_p): Declare.
5634 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5635 prototypes.
5636 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5637 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5638 pic offset table register if it's zero. All callers changed.
5639 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5641 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5643 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5644 STRING_POOL_ADDRESS_P.
5646 * config/sparc/sparc.c (input_operand): Properly test for short op.
5648 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5649 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5650 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5651 * config/sparc/elf.h: No longer include sol2.h.
5652 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5653 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5655 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5657 2001-01-01 Michael Hayes <mhayes@redhat.com>
5659 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5660 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5661 (record_initial): Likewise.
5662 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5663 (remap_split_bivs): Likewise.
5665 2001-01-01 Michael Hayes <mhayes@redhat.com>
5667 * loop.c (loop_ivs_free): New function.
5668 (strength_reduce): Break out from...
5670 2001-01-01 Michael Hayes <mhayes@redhat.com>
5672 * loop.h (struct iv): New.
5673 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5674 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5675 'reg_biv_class' fields with 'regs' and 'n_regs'.
5676 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5677 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5678 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5680 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5682 * resource.c (mark_referenced_resources): Abort() before
5683 attempting to mark a pseudo register.
5684 (mark_set_resources): Likewise.
5686 2001-01-01 Michael Hayes <mhayes@redhat.com>
5688 * loop.h (REG_IV_CLASS): New accessor macro.
5689 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5690 * unroll.c (REG_IV_CLASS): Likewise.
5692 See ChangeLog.4 for earlier changes.