1 2001-03-07 Richard Henderson <rth@redhat.com>
3 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
5 2001-03-07 Richard Henderson <rth@redhat.com>
7 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
8 of block notes and exception handling notes.
10 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
11 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
12 (compile_file): ... here.
14 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
18 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
19 config.h now. Include libiberty.h to handle alloca.
21 2001-03-06 Zack Weinberg <zackw@stanford.edu>
23 * c-parse.in (yylexname): New function, split out of _yylex.
24 (objc_rid_sans_at): New table.
25 (init_reswords): Initialize it.
26 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
27 retrieving the next token and checking it for significance as
28 an ObjC keyword or string constant.
30 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
31 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
33 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
36 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
38 * config/m68k/m68k.c (const_uint32_operand): Accept any
39 const_int on a 32-bit host.
41 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
43 * objc/objc-act.c (init_objc): Set save_lang_status,
44 restore_lang_status, and mark_lang_status.
46 2001-03-06 Krister Walfridsson <cato@df.lth.se>
48 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
50 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
52 * cppinternals.texi: Update.
54 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
56 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
57 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
58 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
59 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
60 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
61 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
62 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
63 config/i386/xm-i386.h, config/i860/xm-i860.h,
64 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
65 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
66 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
67 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
68 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
69 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
70 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
71 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
72 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
73 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
74 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
75 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
76 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
77 match the defaults provided in hwint.h.
79 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
80 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
82 * config.gcc (xm_file): Don't set to files which are deleted.
84 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
85 guard this file against these macros being undefined.
87 2001-03-06 Zack Weinberg <zackw@stanford.edu>
89 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
90 and DECL_DEFER_OUTPUT on the decl we create, before calling
91 rest_of_decl_compilation.
93 2001-03-06 Zack Weinberg <zackw@stanford.edu>
95 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
97 * configure, config.in: Regenerate.
98 * config.gcc: Remove references to deleted files.
100 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
101 genrecog.c, rtl.c: Do not use alloca anywhere.
103 * Makefile.in, build-make, system.h, config/x-interix,
104 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
105 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
106 config/arc/xm-arc.h, config/arm/xm-arm.h,
107 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
108 config/h8300/xm-h8300.h, config/i370/x-oe,
109 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
110 config/i386/x-ncr3000, config/i386/x-sco5,
111 config/i386/xm-dgux.h, config/i860/x-sysv4,
112 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
113 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
114 config/m68k/x-hp320g, config/m69k/x-mot3300,
115 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
116 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
117 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
118 config/m88k/x-sysv4, config/m88k/x-tekXD88,
119 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
120 config/mips/x-iris, config/mips/x-iris3,
121 config/mips/x-sni-svr4, config/mips/x-sysv,
122 config/mips/xm-iris6.h, config/mips/xm-mips.h,
123 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
124 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
125 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
126 config/pa/xm-papro.h, config/romp/xm-romp.h,
127 config/rs6000/x-aix31, config/rs6000/x-aix41,
128 config/rs6000/x-beos, config/rs6000/x-lynx,
129 config/rs6000/x-mach, config/rs6000/x-rs6000,
130 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
131 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
132 config/sparc/x-sysv4, config/sparc/xm-linux.h,
133 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
134 config/vax/xm-vms.h: Eradicate all references to alloca and
137 * config/xm-alloca.h, config/clipper/x-clix,
138 config/i386/xm-sysv4.h, config/i860/x-fx2800,
139 config/i860/x-sysv3, config/m88k/x-sysv3,
140 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
141 (contained only alloca related hacks).
143 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
146 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
148 * invoke.texi: Document __FAST_MATH__.
150 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
152 * crtstuff.c: Restore include of auto-host.h.
154 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
156 Put main() in a separate file, so that the language
157 front-end can use a different main().
160 * toplev.c: (main): Rename as toplev_main.
161 * toplev.h: Declare toplev_main.
162 * Makefile.in (OBJS): add toplev.o.
163 (BACKEND): remove toplev.o, add main.o.
165 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
167 * cppfiles.c (search_from): Special case the empty string.
169 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
171 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
172 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
173 strlen or strcpy; we already know the length.
174 (_cpp_compare_file_date): Similarly.
175 * cpphash.h (struct cpp_reader): Delete done_initialising.
176 (CPP_PREV_BUFFER): Delete.
177 * cppinit.c (cpp_start_read): Don't set done_initialising.
178 * cpplex.c (parse_string): Guarantee null-termination.
179 (_cpp_equiv_toklists): Remove.
180 * cpplib.c (glue_header_name): Null-terminate.
181 (do_line): Don't leak memory.
182 * cpplib.h (BT_WEAK): Delete.
183 * cppmain.c (cb_ident): Strings are now null-terminated.
185 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
187 * gcc.c (convert_filename): Append executable suffix
188 if NO_AUTO_EXE_SUFFIX is not defined.
189 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
190 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
192 2001-03-03 David O'Brien <obrien@FreeBSD.org>
194 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
195 * c-parse.gperf, c-gperf.h: Delete.
196 (c-gperf.h was accidently re-added to the CVS repo in the rev
197 1.16 commit by tromey)
199 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
201 * cpplex.c (_cpp_lex_token): Don't warn about directives in
202 macro arguments when looking for the '('.
203 * cppmacro.c (funlike_invocation_p): Set parsing_args to
204 2 when really parsing arguments; 1 when looking for '('.
205 Always restore the lexer position.
207 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
209 * longlong.h (umul_ppmm): Don't use a multiline string.
211 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
213 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
214 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
215 t_bool in declaration because pcc can't combine volatile with typedef
218 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
220 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
221 until when it is really needed.
222 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
223 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
224 * i386.md (float?i?f splitter): Don't force source operand to memory
226 (sse_movdfcc): Fix constraint.
227 (sse_movdfcc splitter): Handle properly the second alternative.
229 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
231 * cpplex.c (parse_string): Unconditionally pedwarn.
233 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
236 * cppexp.c (parse_number): Update.
237 * cpplex.c (parse_string): Pedwarn if multiline string does not
238 result from a system header's macro.
239 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
240 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
241 for function-like macros too.
242 * c-lex.c (lex_number): Update.
244 2001-03-03 Richard Henderson <rth@redhat.com>
246 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
248 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
250 * combine.c (try_combine): If split with mode-changed scratch
251 register didn't work, try the original mode.
253 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
255 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
256 * config/c4x/c4x.h: Likewise.
257 * stor-layout.c (compute_record_mode): Likewise.
258 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
260 2001-03-02 Zack Weinberg <zackw@stanford.edu>
262 * configure.in: Kill tm.h. Include the files in the $tm_file
263 list in all three of config.h, hconfig.h, tconfig.h, after the
264 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
265 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
266 * configure: Regenerate.
267 * Makefile.in (clean): Don't delete tm.h.
269 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
270 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
271 those are not defined, set SEC and FEC to 0 and 1.
272 * gcc.texi: Update to match.
274 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
275 * config/fp-bit.c, config/m68k/aux-crt2.asm,
276 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
277 Include tconfig.h, not tm.h.
279 * config/xm-lynx.h, config/xm-std32.h,
280 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
281 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
282 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
283 config/clipper/xm-clix.h, config/convex/xm-convex.h,
284 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
285 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
286 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
287 config/i386/xm-i386.h, config/i860/xm-i860.h,
288 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
289 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
290 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
291 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
292 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
293 config/pa/xm-linux.h, config/pa/xm-pa.h,
294 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
295 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
296 config/pj/xm-pj.h, config/romp/xm-romp.h,
297 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
298 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
299 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
300 config/v850/xm-v850.h, config/vax/xm-vax.h,
301 config/we32k/xm-we32k.h:
303 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
305 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
306 config/i370/xm-oe.h: Don't include tm.h. Don't define
308 * config/vax/xm-vms.h: Don't include tm.h.
310 * config/xm-lynx.h, config/avr/xm-avr.h,
311 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
312 Delete; made empty by above changes.
313 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
314 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
315 Don't include config/xm-lynx.h or tm.h.
317 * config/xm-gnu.h: Don't include fcntl.h.
318 * config/sparc/xm-lynx.h: Don't include sys/types.h and
320 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
322 2001-03-02 Richard Henderson <rth@redhat.com>
324 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
325 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
327 2001-03-02 Richard Henderson <rth@redhat.com>
329 * Makefile.in (OBJS): Add dwarf2asm.o.
330 * dwarf2asm.c, dwarf2asm.h: New files.
331 * dwarf2out.c (*): Use them.
332 (size_of_uleb128, size_of_sleb128): Remove.
333 (output_uleb128, output_sleb128): Remove.
334 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
335 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
336 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
337 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
338 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
339 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
340 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
341 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
342 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
343 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
344 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
345 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
346 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
347 (dwarf2out_frame_debug): Remove unused variables.
348 (output_loc_operands): Don't abort on 8 byte constants if
349 host integers are wide enough.
350 (output_symbolic_ref): Remove.
351 (size_of_die): Don't assume 4 byte host integers.
352 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
354 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
355 something stupid with HOST_WIDE_INT to long truncation.
356 [CONST_DOUBLE]: Likewise.
358 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
359 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
360 * config/arm/unknown-elf.h: Likewise.
361 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
362 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
363 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
364 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
365 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
366 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
367 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
368 (ASM_OUTPUT_DWARF_OFFSET): Remove.
369 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
370 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
371 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
372 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
374 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
376 * cselib.c (hash_rtx): Cast enums to unsigned int.
378 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
380 * print-rtl.c (print_rtx): Cast enums to int for comparison.
381 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
383 * c-format.c (C_STD_VER): Cast to int for comparisons.
384 (check_function_format): Cast various enums to int for &.
385 (maybe_read_dollar_number): Likewise.
386 (check_format_info): Likewise.
387 (check_format_info_main): Likewise.
388 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
389 (safe_from_p): Likewise.
390 * varasm.c (const_hash): Cast enum to int for %.
391 * emit-rtl.c (init_emit_once): Use int loop variable to work around
392 pcc enum problems with < and ++ operators.
393 * regclass.c (init_reg_sets_1): Cast enums for comparison.
394 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
395 (regclass_init): Change enum class to int to iterate over reg_classes.
396 * genrecog.c (merge_trees): Cast enums for comparison.
397 * rtl.h (GET_CODE): Cast to enum rtx_code.
398 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
399 (GET_MODE): Cast to enum machine_mode.
400 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
401 (GET_NOTE_INSN_NAME): Cast enum to int.
402 * tree.h (TREE_CODE): Cast to enum tree_code.
403 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
404 * timevar.c (timevar_print): Change loop variable id from enum to
406 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
407 * config/i386/i386.md: Use PUT_MODE for mode assignment.
408 * toplev.c (compile_file): Cast enum DFI to int.
409 (decode_d_option): Likewise.
411 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
413 * cppinit.c (append_include_chain): Mark "after" include file name list
414 as a system directory.
415 * cpp.texi: Document new behavior.
417 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
419 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
421 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
423 * cppfiles.c (struct include_file): Update.
424 (stack_include_file): Use search_from.
425 (cpp_included, find_include_file): Update.
426 (cpp_execute_include): Update. ptr->name may not be
427 null terminated. Use the new search_from member variable
429 (_cpp_compare_file_date): Similarly.
430 (search_from): New function, similiar to actual_directory.
431 (actual_directory): Delete.
432 (remap_filename): Update. loc->name may not be null terminated.
433 (struct file_name_list): Rename search_path. Update.
434 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
436 (struct cpp_reader): Remove actual_dirs.
437 * cppinit.c (struct cpp_pending): Update for renamed objects.
438 (append_include_chain, remove_dup_dir, remove_dup_dirs,
439 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
440 * cpplib.h (struct cpp_options): Similarly.
442 2001-03-01 Zack Weinberg <zackw@stanford.edu>
444 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
445 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
446 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
447 config/clipper/xm-clix.h, config/convex/xm-convex.h,
448 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
449 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
450 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
451 config/i370/xm-linux.h, config/i370/xm-mvs.h,
452 config/i370/xm-oe.h, config/i386/xm-aix.h,
453 config/i386/xm-i386.h, config/i386/xm-osf.h,
454 config/i860/xm-i860.h, config/i960/xm-i960.h,
455 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
456 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
457 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
458 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
459 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
460 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
461 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
462 config/pj/xm-pj.h, config/romp/xm-romp.h,
463 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
464 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
465 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
466 config/v850/xm-v850.h, config/vax/xm-vax.h,
467 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
468 Do not define TRUE or FALSE.
470 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
471 empty by above change.
472 * config.gcc: Remove references to these files.
474 * configure.in: Detect stdbool.h.
475 * configure, config.in: Regenerate.
476 * system.h: Include stddef.h here if available.
477 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
478 Then set up a sensible boolean type at the very end.
480 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
481 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
483 * hash.h: Delete 'boolean' typedef and related #undefs.
485 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
486 all uses of 'boolean' with 'bool'.
488 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
490 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
491 * cppexp.c (lex): Cast enums for comparison.
492 * cppinit.c (parse_option): Cast enum for comparison.
493 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
494 (cpp_output_token): Likewise.
495 (cpp_can_paste): Cast enums for comparsion and plus/minus.
496 (cpp_avoid_paste): Cast enums for minus and comparison.
498 2001-03-01 Zack Weinberg <zackw@stanford.edu>
500 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
501 field to all array elements.
503 2001-03-01 Zack Weinberg <zackw@stanford.edu>
505 * cpphash.h (struct cpp_reader): Add print_version field.
506 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
507 just set print_version and other flags as appropriate.
508 (cpp_post_options): Print version here if print_version is set.
510 * toplev.c (exit_after_options): New flag.
511 (independent_decode_option): Don't exit here; just set
513 (main): Exit after calling lang_hooks.post_options if
514 exit_after_options is true.
516 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
517 (merge_include_chains): Adjust comment to match code.
519 2001-03-01 Zack Weinberg <zackw@stanford.edu>
521 * stringpool.c (set_identifier): New function.
522 * tree.h: Prototype it.
524 * c-parse.in: Kill D_YES. If compiled for objc, call
525 save_and_forget_protocol_qualifiers from init_reswords.
526 * objc/objc-act.c (remember_protocol_qualifiers,
527 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
528 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
530 (save_and_forget_protocol_qualifiers): New function.
531 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
533 2001-03-01 Diego Novillo <dnovillo@redhat.com>
535 * c-semantics.c (prune_unused_decls): Return error_mark_node
536 instead of (tree) 1 to stop traversing the tree chain.
538 2001-03-01 Bernd Schmidt <bernds@redhat.com>
540 Fix a problem introduced by Kenner's Feb 18 change.
541 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
542 flag_cse_skip_blocks only temporarily, not for ever.
544 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
546 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
547 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
549 * pa.c (emit_move_sequence): Verify operand0 is a hard register
550 before determining its register class.
552 2001-03-01 Bernd Schmidt <bernds@redhat.com>
554 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
555 from reg 4 if current_function_calls_setjmp.
556 (gen_nop_type): New function.
557 (ia64_emit_nops): New function.
558 (ia64_reorg): Call it.
559 (ia64_sched_reorder): Move code that rotates bundles up a bit.
561 * reload1.c (eliminate_regs_in_insn): Restrict the special case
562 code not to try to optimize adds with anything but a REG destination.
564 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
565 (INSN_PRIORITY_KNOWN): New accessor macro.
566 * haifa-sched.c (priority): Use it instead of testing priority against
569 2001-02-28 DJ Delorie <dj@redhat.com>
571 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
572 since that doesn't work the way gcc wants on a generic m68k.
574 2001-02-28 Richard Henderson <rth@redhat.com>
576 * caller-save.c (save_call_clobbered_regs): Fix typo in
577 comparison last change.
579 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
581 * i386.c (pentium4_cost): New.
582 (m_PENT4): New macro.
583 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
584 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
585 x86_integer_DFmode_moves, x86_partial_reg_dependency,
586 x86_memory_mismatch_stall): Add Pentium4
587 (x86_use_q_reg, x86_use_any_reg): Kill.
588 (override_options): Add pentium4.
589 (incdec_operand): Return 0 for pentium4.
590 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
591 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
592 (TARGET_PENTIUM4): Define.
593 (enum processor_type): Add PROCESSOR_PENTIUM4.
594 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
595 * i386.md (attribute "cpu"): Add pentium4.
596 * invoke.texi (march): Add pentium4.
598 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
600 * i386.md (sse_mov?fcc*): New patterns and splitters.
601 * i386.c (ix86_expand_movcc): Work post-reload; recognize
602 the SSE based conditional moves.
604 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
606 * i386.md (attribute mode): Add "TI".
607 (movsf_1): Add pxor support; remove constant propagation splitter.
608 (movdf_integer): Likewise.
609 (movdf_nointeger): Likewise.
610 (movxf constant prop splitter): Handle all modes; update for SSE.
611 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
612 * i386.c (standard_80387_constant_p): Rewrite.
613 (standard_sse_constant_p): New.
614 * i386-protos.h (standard_sse_constant_p): New.
616 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
618 * i386.md (sse_setccsf, sse_setccdf): New.
619 (sse_cmp* patterns): Use '%D' instead of outputtting condition
621 * i386.c (sse_comparison_operator): Accept the supported unordered
622 comparses; be ready for fast_math.
623 (print_operand): Support 'D'.
625 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
627 * jump.c (reversed_comparison_code): Kill.
629 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
631 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
634 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
636 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
637 add missing '%' in constraints.
639 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
641 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
642 for HOST_BITS_PER_WIDE_INT == 32 too.
644 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
646 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
648 (insert_save, insert_restore): New parameter save_mode.
649 (init_caller_save): Update initialization of reg_save_code
650 and reg_restore_code.
651 (save_call_clobbered_regs): Compute save_modes and update calls to
652 reg_save_code and reg_restore_code.
653 (insert_restore): Unsignetize numbers; use save_modes to choose mode
654 of spill; update use of reg_restore_code.
655 (insert_save): Likewise.
656 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
657 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
658 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
660 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
662 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
663 noce_try_store_flag_inc, noce_try_store_flag_mask,
664 noce_try_cmove_arith):
665 Use reversed_comparison_code instead of reverse_comparison and
666 can_reverse_comparison_p.
668 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
670 * jump.c (reversed_comparison_code_parts): Allow reversal of
671 unordered compares in -ffast-math mode; reverse ordered compares
672 for FP even w/o -ffast-math.
674 2001-02-27 Richard Henderson <rth@redhat.com>
676 * print-rtl.c (print_rtx) [i]: Don't print field five on
677 NOTEs other than NOTE_INSN_DELETED_LABEL.
679 2001-02-27 Zack Weinberg <zackw@stanford.edu>
681 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
682 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
684 2001-02-27 Diego Novillo <dnovillo@redhat.com>
686 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
687 even if walk_subtrees is 0.
688 * c-semantics.c (prune_unused_decls): Return a non-null value to
689 stop traversing the tree chain.
691 2001-02-27 DJ Delorie <dj@redhat.com>
693 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
694 register, *then* define it as the new CFA.
696 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
698 * pa.c (override_options): Promote -fpic to -fPIC.
699 (legitimize_pic_address): Simplify due to removal of
700 small PIC as a code generation option.
701 (secondary_reload_class): Similarly.
702 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
703 (PRINT_OPERAND_ADDRESS): Similarly.
704 * pa.md (various patterns): Similarly.
705 (small pic lo_sum pattern): Remove.
707 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
710 * md.texi (min, max): Document
712 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
714 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
715 TARGET_PARTIAL_REG_DEPENDENCY.
716 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
718 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
720 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
722 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
724 * mips.c (mips_make_temp_file): Fix thinko in last change.
726 2001-02-26 Jason Eckhardt <jle@redhat.com>
728 * combine.c (known_cond): Do not reverse the condition when
729 SMAX/UMAX is being considered and the condition is for equality
732 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
734 2001-02-26 Philip Blundell <philb@gnu.org>
736 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
738 * config/arm/linux-elf.h: Remove historical relics related to
739 above configurations.
740 * config/arm/linux-oldld.h: Delete.
741 * config/arm/linux-elf26.h: Delete.
743 2001-02-26 Jason Merrill <jason@redhat.com>
745 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
747 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
748 recognize a tentative definition. Lose obsolete code.
750 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
751 variables unless necessary, either.
753 2001-02-25 Richard Henderson <rth@redhat.com>
755 * ifcvt.c (struct noce_if_info): Add test_bb.
756 (noce_get_alt_condition): New.
757 (noce_try_minmax, noce_try_abs): New.
758 (noce_operand_ok): New.
759 (noce_process_if_block): Use them.
760 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
762 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
764 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
767 2001-02-25 Zack Weinberg <zackw@stanford.edu>
769 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
770 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
772 (mips_asm_file_end): Free temp_filename here.
774 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
776 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
777 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
779 * config/i386/i386.md (movstrsi): Handle FAIL case.
781 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
783 * cppinit.c (builtin_array): Update.
784 (init_builtins): Flag builtins to warn if redefined or
785 undefined. Define __GXX_WEAK as a normal macro.
786 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
787 * cpplib.h (NODE_WARN): New flag.
788 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
789 Handle __STDC__ as a builtin only on Solaris.
790 (warn_of_redefinition): Renamed from check_macro_definition.
791 Reverse sense of test. Always warn if NODE_WARN.
792 (_cpp_create_definition): Use warn_of_redefinition. Flag
793 any macro beginning with "__STDC_" to require a mandatory
794 warning if redefined or undefined.
796 2001-02-24 Zack Weinberg <zackw@stanford.edu>
798 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
799 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
800 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
801 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
802 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
803 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
805 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
806 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
807 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
808 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
809 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
811 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
812 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
815 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
816 Delete now-empty file.
818 * alpha/vms.h: Define NEED_ATEXIT here...
819 * alpha/xm-vms.h: ...not here.
821 * i386/cygwin.h: Don't define PARAMS.
822 * mips/mips.c: Don't prototype mktemp. Don't define
823 P_tmpdir. Use make_temp_file to create temporary files.
824 Don't be clever and delete temporary files early.
825 * config.gcc: Drop references to deleted files. Don't define
827 * gcc.texi: Don't mention USE_PROTOTYPES.
829 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
831 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
832 (ix86_set_move_mem_attrs_1): Likewise.
833 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
834 * config/i386/i386.md (movstrsi): Call it.
836 2001-02-24 Zack Weinberg <zackw@stanford.edu>
838 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
839 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
840 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
841 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
843 (i750a-*-*): Error here if hosting on i750a.
844 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
846 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
847 Remove (empty modulo comments).
849 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
850 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
851 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
852 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
853 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
854 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
856 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
857 Remove reference to winnt.h in comment.
858 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
860 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
862 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
863 used to set another biv.
865 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
867 * tree.h (BLOCK_DEAD): New macro.
868 (struct tree_block): New flag, dead_flag.
869 * print-tree.c (print_node, case 'b'): Print missing fields.
870 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
871 * function.c (identify_blocks): Enable test for misplaced notes.
872 (all_blocks): Skip BLOCK_DEAD blocks.
873 * integrate.c (integrate_decl_tree): Likewise.
875 * errors.c (internal_error, trim_filename): New functions.
876 (fancy_abort): Call internal_error.
877 * errors.h (internal_error, trim_filename): New declarations.
879 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
881 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
883 (EXTRA_CONSTRAINT): Formatting changes.
885 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
887 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
889 2001-02-23 Per Bothner <per@bothner.com>
891 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
892 so they can be called from java/jvspec.c.
893 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
895 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
897 * i386.c (ix86_frame): New structure.
898 (ix86_compute_frame_size): Kill.
899 (ix86_compute_frame_layout): New.
900 (ix86_save_reg): New.
901 (ix86_can_use_return_insn_p): Use frame layout stuff.
902 (ix86_expand_prologue): Likewise.
903 (ix86_expand_epilogue): Likewise.
904 (ix86_initial_elimination_offset): Likewise.
905 (ix86_nsaved_regs): Use ix86_save_reg.
906 (ix86_emit_save_regs): Likewise.
908 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
910 * flow.c (find_sub_basic_blocks): New function.
911 (split_block): Be ready for basic block introduced by CODE_LABEL.
912 (commit_one_edge_insertion): Call find_sub_basic_block.
914 * flow.c (make_edges): Add edge from entry for blocks starting with
915 label having ALTERNATE_NAME
917 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
919 * function.c (epilogue_done): Be ready for first basic block not
920 containing PROLOGUE_END note.
921 (reposition_prologue_and_epilogue_notes): Avoid placing
922 PROLOGUE_END note between BASIC_BLOCK.
924 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
926 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
928 2001-02-21 DJ Delorie <dj@redhat.com>
930 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
931 check for current_function_has_nonlocal_goto from 1999-11-12.
933 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
935 * diagnostic.c (trim_filename): No longer static.
936 * toplev.h (trim_filename): Declare.
937 * rtl.c (rtl_check_failed_bounds): Call internal_error.
938 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
939 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
940 (rtvec_check_failed_bounds): Likewise.
941 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
943 * convert.c (convert_to_integer): Don't do unsigned unless result or
944 both inputs are unsigned.
946 * fold-const.c (fold_convert): Don't call size_int_type_wide if
949 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
951 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
953 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
955 * Makefile.in (resource.o): Add params.h dependence.
956 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
957 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
958 * resource.c: Add dependence on params.h.
959 (current_live_regs): Fix explanatory comment.
960 (find_basic_block): Add new parameter to permit limiting search
962 (mark_target_live_regs): Add new argument to find_basic_block call.
963 (incr_ticks_for_insn): Likewise.
965 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
967 * diagnostic.c (output_to_stream): Rename to
968 output_buffer_to_stream. Loses the stream parameter.
969 (init_output_buffer): Set diagnosic_buffer's stream.
970 (flush_diagnostic_buffer): Adjust.
971 (default_print_error_function): Likewise.
972 (finish_diagnostic): Likewise.
973 (verbatim): Likewise.
975 * diagnostic.h (struct output_buffer): Add `stream' field.
976 (output_buffer_attached_stream): New macro.
978 2001-02-23 Jakub Jelinek <jakub@redhat.com>
980 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
981 check if either operand is divisible by C.
982 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
983 If type is signed, consider negative numbers as well.
985 2001-02-22 Richard Henderson <rth@redhat.com>
987 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
988 reach .text instead of gp-relative relocs.
989 * config/ia64/crtend.asm (.init): Likewise.
991 2001-02-22 Andreas Jaeger <aj@suse.de>
993 * extend.texi (C++ Attributes): Fix typo.
995 2001-02-21 David Mosberger <davidm@hpl.hp.com>
997 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
998 functions, drop current_function_args_info.words test.
999 (ia64_compute_frame_size): Mark syscall_linkage functions as
1000 using eight input registers.
1002 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
1003 Bruce Korb <bkorb@gnu.org>
1005 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1006 * fixinc/README: Document how to convert sed substitutions
1007 to format style c_fix-es.
1008 * fixinc/fixincl.x: regen
1010 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1012 * gcc.c: Add comment explaining how to add a command-line option.
1013 Add title to specs language comment.
1015 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1017 * gcc.c (cc1_options): Add "-param".
1018 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1019 (option_map): Likewise.
1020 * toplev.c (display_help): Add entry for "--param".
1021 (independent_decode_option): Fix typographical error.
1023 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1024 Bernd Schmidt <bernds@redhat.com>
1025 Jan Hubicka <jh@suse.cz>
1027 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1028 (function_arg): Likewise.
1030 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1032 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1034 2001-02-21 Kazu Hirata <kazu@hxi.com>
1036 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1040 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1042 * flow.c (init_propagate_block_info): Canon address and use single_set
1043 for killing dead memory stores.
1045 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1047 * Makefile.in (reorg.o): Add params.h dependence.
1048 * params.def: Fix typographical error in comment.
1049 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1050 * params.h: Modify introductory comment.
1051 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1052 * reorg.c: Add dependence on params.h.
1053 (redundant_insn): Add parameterized throttle for search.
1054 (fill_simple_delay_slots): Add a comment explaining a variable.
1055 Move conditional out of loop, simplifying code.
1056 (fill_eager_delay_slots): Fix typographical error in comment.
1058 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1060 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1062 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1063 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1065 2001-02-21 Jason Merrill <jason@redhat.com>
1067 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1068 (struct tree_decl): Add uninlinable bitfield.
1069 * c-decl.c (duplicate_decls): Set it.
1070 * integrate.c (function_cannot_inline_p): Check it.
1072 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1073 DW_AT_MIPS_linkage_name to abstract methods.
1074 (dwarf2out_abstract_function): Emit class context before calling
1075 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1076 (gen_subprogram_die): Remove obsolete code.
1077 (gen_member_die): Don't include clones in the member list.
1078 (gen_decl_die): Emit abstract info for clone origin.
1079 * dwarfout.c (output_type): Don't include clones in the member list.
1080 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1081 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1082 DECL_ABSTRACT on a function that already has it set.
1084 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1085 (get_subprogram_die): Pass it in.
1087 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1089 * flow.c (mark_set_1): Make not_dead unsigned long. For
1090 non-pseudos, use it as a bitmask of the hard regs that
1093 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1095 * cppfiles.c: Update comments.
1096 (_cpp_read_file): Don't check for NULL filenames any more.
1097 * cppinit.c (cpp_start_read): Don't do canonicalization of
1098 in_fname and out_fname. Use the passed file name exclusively.
1099 (_cpp_handle_options): Don't treat "-" as a command line option,
1100 but as a normal filename.
1101 (_cpp_post_options): Canonicalize in_fname and out_fname.
1102 * cppmain.c (printer_init): Don't check out_fname for NULL.
1103 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1104 (init_c_lex): Update, and use "" to represent stdin to CPP.
1107 2001-02-20 Will Cohen <wcohen@redhat.com>
1109 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1110 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1111 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1114 2001-02-20 Stan Shebs <shebs@apple.com>
1116 * config/rs6000/rs6000.c (output_cbranch): Output branches
1117 on separate lines instead of using ';' to separate.
1119 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1121 * cppinit.c (set_lang): Move builtin handling to...
1122 (init_builtins): ...here.
1123 (_cpp_create_reader): Move call to set_lang.
1125 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1127 * stmt.c (expand_return): If an attempt is made to return the
1128 error_mar_node, treat the return like a return without a value.
1130 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1132 * sibcall.c (skip_copy_to_return_value): Call
1133 identify_call_return_value here, and return orig_insn if it
1134 returns zero. Hardret and softret arguments now unnecessary.
1135 (call_ends_block_p): Don't call identify_call_return_value here.
1137 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1139 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1140 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1142 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1144 * pa.c (move_operand): Accept code to load the address of a
1145 symbol out of the DLT as a valid move operand.
1146 (print_operand, case 'A'): New to handle generating a DLT
1147 reference for a LO_SUM expression.
1148 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1149 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1151 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1153 * README, cpp.texi, gcc.texi, version.c: Update version number to
1155 * cpp.1, gcov.1, gcc.1: Regenerate.
1157 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1159 * cppfiles.c (stack_include_file): Generate dependencies
1160 here, and manage include_count here too.
1161 (PRINT_THIS_DEP): Delete.
1162 (_cpp_execute_include): Do not generate dependencies here,
1163 apart from the case of a missing header. Do not manage
1165 (_cpp_read_file): Leave dependency generation to
1168 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1170 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1171 target_cpu_default. Remove dead assignment to
1174 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1176 * regclass.c (contains_reg_of_mode): Make global.
1177 (init_reg_sets): Remove contains_reg_of_mode; take into account
1178 CLASS_MAX_NREGS when looking for the proper mode.
1179 (dump_regclass): Dump only classes considered for the pseudo.
1180 (regclass): Use contains_reg_of_mode.
1182 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1184 * gcc.c (do_spec_1): 'n' for printing notices.
1185 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1187 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1189 * reg-stack.c (next_flags_user): Use current_block->end
1190 (swap_rtx_condition): Look for next user if flags don't die;
1191 give up on CALL_INSNs; use current_block->end.
1193 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1195 * sibcall.c (call_ends_block_p): New function.
1196 (optimize_sibling_and_tail_recursive_call): Use it.
1198 2001-02-18 Kazu Hirata <kazu@hxi.com>
1200 * config/h8300/h8300.md: Update copyright.
1201 (andsi3): Do not output an extra newline character.
1203 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1205 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1206 FNDECL may be unused.
1208 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1209 follow jumps after first run.
1210 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1211 it doesn't change any jumps.
1213 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1215 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1216 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1217 (mostlyclean): Corresponding changes.
1218 * rtlanal.c (hard-reg-set.h): Include.
1219 (rtx_unstable_p): Do not treat the argument pointer specially
1220 if it is not a fixed register.
1221 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1223 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1225 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1226 against last real insn in basic block.
1227 Rework to avoid gotos.
1229 * Makefile.in (gcse.o): Now includes ggc.h.
1230 * gcse.c: Include ggc.h.
1231 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1232 (try_replace_reg): Remove warning of uninitialize variable.
1233 (process_insert_insn): Call invalid_insn_p to validate insn.
1234 * recog.c (insn_invalid_p): Now global.
1235 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1236 * recog.h (insn_invalid_p): New declaration.
1238 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1240 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1241 assignments from FP constants since 'Y' output code can't handle it.
1242 (eligible_for_sibcall_delay): Likewise.
1244 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1245 Call fancy_abort directly, passing args.
1246 (print_rtl_and_abort): Now a macro, like fancy_abort.
1248 * final.c (output_operand_lossage): Use internal_error, not error.
1250 2001-02-18 Shane Nay <shane@agendacomputing.com>
1252 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1253 structure shift insns.
1255 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1257 * invoke.texi (-fsquangle): Remove documentation.
1258 (-fname-mangling-version): Likewise.
1260 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1262 * optabs.c (expand_abs): Remove reference to
1263 HAVE_contitional_arithmetic.
1264 * combine.c (simplify_set): Likewise.
1266 2001-02-18 Richard Henderson <rth@redhat.com>
1268 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1271 2001-02-18 Richard Henderson <rth@redhat.com>
1273 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1275 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1277 * reload1.c (reload_cse_simplify_set): Fix typo.
1279 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1281 * diagnostic.c (_fatal_insn): Decrement errorcount.
1283 * invoke.texi (-I): Add note avoiding use for system header files.
1285 * rtl.h (add_clobbers): Remove duplicate declaration.
1286 * recog.h (added_clobbers_hard_reg_p): New declaration.
1287 * genemit.c (struct clobber_pat): New field has_hard_reg.
1288 (gen_insn): Record if added clobbers clobber hard reg.
1289 (gen_split): Avoid unused warning if number of operands is 0.
1290 (output_added_clobbers_hard_reg_p): New function.
1293 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1295 * pa.c (hppa_expand_prologue): Simplify code storing return
1296 pointer. For large (>=8k) frames with a post_store, adjust stack
1297 pointer by 8k-64 first rather than by 64. When testing with
1298 VAL_14_BITS_P, always use the actual value rather than the value
1299 negated. Add blockage to prevent scheduling of spills before
1300 stack frame has been created.
1301 (hppa_expand_epilogue): Simplify code loading return pointer.
1302 Allow a slightly larger range for merge_sp_adjust_with_load case.
1303 When testing with VAL_14_BITS_P, always use the actual value.
1305 * pa.c (pa_adjust_insn_length): Check that block move
1306 pattern is a set before looking at operands.
1308 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1310 * fold-const.c (fold_binary_op_with_conditional_arg): New
1311 function, split out from ...
1313 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1314 conditional arms that throw exceptions.
1316 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1319 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1321 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1322 define HAVE_DECL_* to 1 to mask potential backup declarations.
1323 * configure: Regenerated.
1325 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1327 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1329 2001-02-17 Richard Henderson <rth@redhat.com>
1331 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1332 when replacing a memory load with a register.
1334 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1335 Jan Hubicka <jh@suse.cz>
1337 * recog.c (validate_replace_src_1): New.
1338 (validate_replace_src_data): Likewise.
1339 (validate_replace_src): Use note_uses.
1340 * rtl.h (note_uses): Declare.
1341 * rtlanal.c (note_uses): New.
1343 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1345 * reg-stack.c (stack_def): Make field reg unsigned.
1346 (remove_regno_note): Unsignetize parameter.
1348 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1350 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1351 shladd_operand() call.
1353 2001-02-16 Bruce Korb <bkorb@gnu.org>
1354 Rodney Brown <RodneyBrown@mynd.com>
1356 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1357 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1358 machine restrictions
1359 * fixinc/fixincl.x: regen
1361 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1363 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1365 (hash_scan_insn): Clean up calls to hash_scan_set.
1366 (compute_kill_rd): REGNO now unsigned.
1367 (try_replace_reg): Rework to use simplify_replace_rtx.
1368 (cprop_jump, cprop_cc0_jump): Likewise.
1369 (cprop_insn): Call find_reg_equal_equiv_note.
1370 Reflect changes to cprop_jump and cprop_cc0_jump.
1372 * recog.c (validate_replace_src): Replace in operands of
1373 ZERO_EXTRACT in SET_DEST.
1375 * cse.c (new_label_ref): New variable.
1376 (insert): Set it instead of recorded_label_ref.
1377 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1378 CODE_LABEL for this function, and not already in REG_LABEL note.
1380 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1382 * resource.c (mark_referenced_resources): Fix typo in introductory
1384 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1387 2001-02-16 Jason Merrill <jason@redhat.com>
1389 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1391 (gen_subprogram_die): Don't abort on seeing a second definition if
1392 the previous one was abstract. Don't replace an abstract instance
1393 in the lookup table.
1395 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1396 gen_abstract_function.
1397 * dwarf2out.h: Declare it.
1398 * toplev.c (note_outlining_of_inline_function): New fn.
1399 * toplev.h: Declare it.
1400 * integrate.c (output_inline_function): Call it.
1401 * c-decl.c (duplicate_decls): Call it when redefining an extern
1402 inline. Don't inline the new defn.
1404 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1406 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1408 * .gdbinit: Rename to gdbinit.in.
1409 * gdbinit.in: New file,
1410 * configure.in: Generate .gdbinit from gdbinit.in.
1411 * configure: Regenerated.
1412 * Makefile.in (distclean): Always remove .gdbinit.
1414 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1416 * objc/objc-act.c (start_class): Register implemented_classes with
1419 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1421 * cppfiles.c (_cpp_make_system_header): Generate a file
1424 2001-02-15 Jim Meyering <meyering@lucent.com>
1426 * Makefile.in (install-common): Don't depend on installdirs here.
1427 Instead, make each of the lang.install-common targets (e.g.,
1428 c++.install-common in cp/Make-lang.in) depend on it.
1429 (install-driver): Depend on installdirs.
1431 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1433 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1435 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1438 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1440 * invoke.texi (--param): Document.
1442 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1444 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1446 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1448 * i386.md (extendsfdf2_2): Fix constraints.
1450 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1452 * i386.md (fop_df_3 splitter): Fix operand number.
1454 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1456 * invoke.texi (-mreg-alloc): Nuke.
1457 * i386.c (ix86_reg_alloc_order, regs_allocated,
1458 order_regs_for_local_alloc): Nuke.
1459 (override_options): Kill reg_alloc code.
1460 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1461 (REG_ALLOC_ORDER): SSE goes before I387.
1462 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1463 (ix86_reg_alloc_order): Likewise.
1464 * i386-protos.h (ix86_reg_alloc_order): Kill.
1466 2001-02-14 Richard Henderson <rth@redhat.com>
1468 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1470 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1472 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1474 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1476 * i386-protos.h (ix86_memory_move_cost): Move offline.
1477 * i386.c (ix86_register_move_cost): Compute properly cost of
1478 SSE, MMX and i387 instructions.
1479 (*_cost): Add costs of SSE/MMX moves.
1480 (ix86_memory_move_cost): Move offline from ....; Likewise.
1481 * i386.h (MEMORY_MOVE_COST): .... here;
1482 (struct processor costs): Add new fields to represent costs
1485 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1487 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1488 move_cost together with Matt Kraai's fix.
1490 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1492 * Makefile.in (OBJS): Add params.o.
1494 2001-02-14 Richard Henderson <rth@redhat.com>
1495 DJ Delorie <dj@redhat.com>
1497 * jump.c (jump_optimize_1): When we delete a conditional jump
1498 preceeding a non-conditional jump to effectively the same place,
1499 make sure that the combined jump skips any clobber insns between
1502 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1504 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1506 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1508 * Makefile.in (toplev.o): Depend on params.h.
1509 (intergate.o): Likewise.
1510 (params.o): New target.
1511 * flags.h (inline_max_insns): Remove.
1512 * integrate.c: Include params.h.
1513 Use MAX_INLINE_INSNS instead of inline_max_insns.
1514 * params.c: New file.
1515 * params.h: Likewise.
1516 * params.def: Likewise.
1517 * toplev.c: Include params.h.
1518 (lang_independent_params): New variable.
1519 (decode_f_option): Use the param machinery instead of setting
1521 (independent_decode_option): Handle "--param name=value".
1522 (main): Register language-independent parameters.
1524 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1526 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1528 2001-02-14 Richard Henderson <rth@redhat.com>
1530 * regclass.c (init_reg_sets_1): Revert last two changes.
1532 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1534 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1535 (variable_size): Call put_pending_size.
1536 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1537 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1538 sizes list, put newly created SAVE_EXPR there as well.
1540 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1542 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1543 (errata_find_address_regs): load_group has only 2 entries.
1544 (errata_emit_nops): Likewise. shladd is not problematic.
1545 Clear last_group if nop was emitted.
1546 (fixup_errata): load_group has only 2 entries.
1549 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1551 * c-lex.c (lex_number): Only warn traditionally for U suffix
1552 outside system macros.
1553 * cppexp.c (parse_number): Similarly.
1554 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1555 * cppmacro.c (struct cpp_macro): New member node.
1556 (parse_args): Only warn about missing rest args if not
1558 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1559 (cpp_sys_objmacro_p): New.
1560 (_cpp_create_definition): Store the node with the macro defn.
1561 Remember if the macro is defined in a system header.
1563 2001-02-13 DJ Delorie <dj@redhat.com>
1565 * configure.in (check_languages): determine languages to check
1566 * Makefile.in (check-c++): alias for check-g++
1567 (check-f77): alias for check-g77
1568 (CHECK_TARGETS): depend on configured languages
1570 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1572 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1573 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1574 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1575 (sqrtextendsfdf2): Disable for SSE2.
1577 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1579 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1580 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1581 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1582 (sqrtextendsfdf2): Disable for SSE2.
1584 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1586 * i386.md (movsfcc_1): Support integer cmove instruction.
1587 (movdfcc_1): Likewise; new splitter.
1589 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1591 * i386.c (output_fp_compare): Support SSE.
1592 (prepare_fp_compare_args): SSE comparisons always support memory.
1593 * i386.h (TARGET_CMOVE): SSE imply cmove.
1594 * i386.md (cmp?f2): Enable for SSE too.
1595 (cmpfp_i*): Support SSE.
1597 (cmpfp_i_sse_only): New.
1598 (s*, b* fp expanters): Enable for SSE too.
1599 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1602 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1604 * regclass.c (init_reg_sets_1): Silence warning.
1606 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1608 * i386.md (sqrt?f2): Change to expander.
1609 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1611 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1613 * rtlanal.c (find_reg_equal_equiv_note): New function.
1614 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1615 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1616 * rtl.h: Add declarations for above functions.
1618 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1620 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1622 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1623 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1624 * flow.c (mark_regs_live_at_end): Likewise.
1625 (calculate_global_regs_live): Likewise.
1626 * gcse.c (compute_hash_table): Likewise.
1627 (compute_kill_rd): Likewise.
1628 * resource.c (mark_target_live_regs): Likewise.
1629 * rtl.h (INVALID_REGNUM): New macro.
1631 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1633 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1635 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1637 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1640 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1642 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1644 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1645 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1646 (fop_sf_1_sse, fop_df_1_sse): New patterns
1647 (fop_*): Disable float_extend and float patterns for SSE compilation.
1648 * i386.c (output_387_binary_op): Support SSE.
1650 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1652 * i386.md (dummy_extendsfdf2): Support SSE2
1653 (extendsfdf2): Enable if 80387 or SSE2.
1654 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1655 and no MIX_I387_SSE2
1656 (extendsfdf2_1_sse_only): New pattern.
1657 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1659 (truncdfsf2_1): Support SSE.
1660 (truncdfsf2_2): Support SSE.
1661 (truncdfsf2_2_1_sse): New pattern.
1662 (fixtruncsfsi2): Always use SSE if available.
1663 (fix_truncsfsi_sse): New pattern.
1664 (fix_truncdfsi_sse): New pattern.
1665 (floatsis?f2): Support SSE.
1666 (floatsidf2_i387): New pattern.
1667 (floatsidf2_sse): Likewise.
1669 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1671 * configure.in: Use "have_gnat" variable, not "gnat".
1672 * configure: Regenerated.
1674 * config/sparc/sparc.c (function_value): Treat all non-record
1675 aggregate types like used to treat UNION_TYPE.
1677 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1679 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1680 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1682 (MASK_MIX_SSE_I387): New.
1683 (TARGET_SSE): SSE2 imply SSE.
1684 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1685 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1686 (enum reg_class): Add new classes.
1687 (REG_CLASS_NAMES): Likewise.
1688 (REG_CLASS_CONTENTS): Likewise.
1689 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1690 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1691 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1692 (CLASS_MAX_NREGS): Use new macros.
1693 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1694 * i386.md (pushsf, movsf): Support SSE.
1695 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1696 splitters to use ANY_FP_REGNO_P.
1697 (movdf_nointeger, movdf_integer): Likewise.
1699 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1701 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1702 (try_combine): Use it.
1704 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1706 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1707 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1708 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1709 (REGISTER_MOVE_COST): Likewise.
1710 * i386-protos.h (ix86_secondary_memory_needed,
1711 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1712 * i386.c (ix86_secondary_memory_needed,
1713 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1715 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1717 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1718 (HARD_REGNO_MODE_OK): Move offline to ....
1719 * i386.c (ix86_hard_regno_mode_ok) ... here;
1720 refuse all incorrect modes.
1721 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1723 2001-02-13 Richard Henderson <rth@redhat.com>
1725 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1726 entire operator; replicate that and match_dup the operands.
1727 (cmp_ccx_arith_op_set): Likewise.
1728 (cmp_cc_arith_op_not_set): Likewise.
1729 (cmp_ccx_arith_op_not_set): Likewise.
1731 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1733 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1735 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1737 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1738 (TARGET_NO_BITFIELD_WORD): New macro.
1739 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1740 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1742 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1744 * cselib.c: New file, from simplify-rtx.c.
1745 * simplify-rtx.c: Remove cselib parts.
1746 * Makefile.in: Add cselib.o.
1748 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1750 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1751 (setup_incoming_varargs): Remove warning.
1753 * config/rs6000/rs6000.c (validate_condition_mode): When
1754 flag_fast_math, allow floating-point conditionals to be reversed.
1755 (rs6000_generate_compare): When flag_fast_math, don't generate
1756 cror operations for FP conditionals.
1758 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1760 (ASM_SPEC): Likewise.
1761 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1762 (CC1_SPEC): Likewise.
1763 (LINK_TARGET_SPEC): Likewise.
1764 (CPP_ENDIAN_SPEC): Likewise.
1765 * Makefile.in (check-consistency): New target.
1767 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1769 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1770 "return type defaults" warning for functions with return type
1772 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1773 function declarations by default rather than only when pedantic.
1775 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1777 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1780 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1782 * extend.texi (Deprecated): Deprecate new initializer lists.
1784 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1786 * mkdeps.c (deps_add_default_target): Robustify. Add
1787 basename component only.
1788 * cpp.texi (-M): Describe how default target is generated.
1789 * invoke.texi (-M): Likewise.
1791 2001-02-12 Kazu Hirata <kazu@hxi.com>
1793 * toplev.c (push_float_handler): Remove.
1794 (pop_float_handler): Remove.
1795 * toplev.h: Remove prototypes for the above functions.
1797 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1799 * c-common.c (constant_fits_type_p): New function.
1800 (convert_and_check): Use it.
1802 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1804 * Makefile.in (GXX_ABI_FLAG): Don't define.
1805 * configure.in (--enable-new-gxx-abi): Remove option.
1806 * config.in: Regenerated.
1807 * configure: Likewise.
1809 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1811 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1813 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1814 regular basic block, and arrange for all edges into it to switch
1817 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1819 * Makefile.in (distclean): Do not remove .gdbinit.
1821 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1823 * Makefile.in (gcc.o): Fix typos.
1824 (protize.o): Likewise.
1825 (unprotoize.o): Likewise.
1827 2001-02-11 Richard Henderson <rth@redhat.com>
1829 * tree.c (build1): Check for null operand in last change.
1831 2001-02-11 Richard Henderson <rth@redhat.com>
1833 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1834 (fold): Don't assume a constant isn't foldable.
1835 * tree.c (build): Set TREE_CONSTANT for an expression with no
1836 side-effects and constant operands.
1839 2001-02-10 Richard Henderson <rth@redhat.com>
1841 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1843 2001-02-10 Anthony Green <green@redhat.com>
1845 * cpp.texi (Standard Predefined): Add documentation for
1848 * c-common.c (combine_strings): Improve warning message.
1850 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1852 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1854 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1856 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1858 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1861 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1863 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1866 2001-02-09 Nick Clifton <nickc@redhat.com>
1868 * config/arm/arm.md: Change output contraint on post inc
1869 load/store multiple patterns to be a read/write contraint.
1871 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1873 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1874 .o files when using the -M options.
1876 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1877 David Edelsohn <edelsohn@gnu.org>
1879 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1880 handle DImode constants. Use one TOC entry for SImode and smaller
1881 constants, aligned properly.
1883 2001-02-08 Jason Merrill <jason@redhat.com>
1885 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1886 about the SP adjustment for saving the static chain pointer.
1887 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1888 offset when setting a temporary CFA register.
1890 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1892 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1893 powerpc-*-chorusos* .
1894 * config/rs6000/chorus.h : New file.
1895 * config/i386/chorus.h : New file.
1896 * config/sparc/chorus.h : New file.
1897 * config/sparc/t-chorus-elf : New file.
1899 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1901 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1902 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1903 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1904 (__WCHAR_TYPE__): Correct macro name.
1906 2001-02-08 Richard Henderson <rth@redhat.com>
1908 * config/i386/i386.c (ix86_frame_pointer_required): New.
1909 (ix86_setup_frame_addresses): New.
1910 (struct machine_funciton): Add accesses_prev_frame.
1911 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1912 ix86_frame_pointer_required.
1913 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1914 (SETUP_FRAME_ADDRESSES): New.
1915 * config/i386/i386-protos.h: Update.
1916 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1917 from FRAME_POINTER_REQUIRED.
1918 * config/i386/svr3gas.h: Likewise.
1919 * config/i386/sysv3.h: Likewise.
1920 * config/i386/v3gas.h: Likewise.
1922 2001-02-08 Richard Henderson <rth@redhat.com>
1924 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1925 calculation of the number of integer registers required.
1926 (function_arg_record_value): Likewise.
1928 2001-02-08 Jason Merrill <jason@redhat.com>
1930 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1931 two. Print file and line with "confused" message.
1933 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1935 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1937 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1939 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1941 * final.c (cleanup_subreg_operands): The address of a MEM can
1944 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1947 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1949 * gcc.texi (Incompatibilities): Update documentation of
1950 preprocessing numbers.
1952 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1954 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1956 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1958 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1960 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1961 * gcc.c (struct compiler): Add cpp_spec field.
1962 (input_file_compiler): New variable.
1963 (do_spec_1): Allow a particular compiler to handle `%C'
1965 (main): Store the current compiler in input_file_compiler.
1966 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1968 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1970 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1971 * cppinit.c (cpp_create_reader): Initialize them.
1972 (append_include_chain): cxx_aware arg might be unused.
1973 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1974 keywords and give them their phase 7 meaning. Pedwarn about
1975 this unless '__bool_true_false_are_defined' is defined.
1977 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1979 * lcm.c (optimize_mode_switching): Emit mode_set before the
1980 JUMP_INSN of an abnormal edge.
1982 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1984 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1985 a scheduling barrier at the end.
1987 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1989 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1991 * config/sh/sh.md (reload_outsf): Removed.
1992 (movsf_ie): Introduce constraints for FPUL loads and stores.
1993 (reload_insf): Broaden the output constraint.
1995 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1997 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1998 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
2000 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
2002 * final.c: Revert my previous changes.
2003 * output.h: Make profile_label_no extern.
2004 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2005 for generating label.
2007 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2009 * config/i386/djgpp.h: Add comments about standard paths.
2010 (MD_EXEC_PREFIX): Undefine before defining.
2011 (MD_STARTFILE_PREFIX): New.
2013 2001-01-30 Bruce Korb <bkorb@gnu.org>
2015 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2016 (load_file): do not rely on load_file_data() to close file pointer
2017 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2018 fixinc/inclhack.def(irix_limits_const): add test_text
2020 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2022 * cppexp.c (parse_defined): Improve diagnostics for invalid
2025 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2027 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2029 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2031 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2032 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2033 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2034 (rs6000_output_symbol_ref): New function.
2035 (output_toc): Use VTABLE_NAME_P.
2037 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2039 * print-tree.c (print_node, case PARM_DECL):
2040 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2042 * stor-layout.c (reference_types_internal): New variable.
2043 (internal_reference_types): New function.
2044 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2045 * tree.h (internal_reference_types): New declaration.
2047 * cse.c (find_best_addr): Fix typo in computing cost.
2049 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2051 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2052 and this is the sum of a pointer and a constant, we know the result
2054 (num_sign_bit_copies, case PLUS): Likewise.
2055 * explow.c (convert_memory_address): Remove opposite SUBREG.
2056 * function.c (instantiate_new_reg): New function (from common code).
2057 (instantiate_virtual_regs_1): Call it.
2058 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2059 if pointers sign- or zero-extend.
2060 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2061 If pointers extend unsigned, use inside of SUBREG.
2062 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2064 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2066 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2067 subdir of gcc_gxx_include_dir.
2068 (gcc_gxx_target_include_dir): Remove.
2070 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2072 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2073 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2074 a high-level description.
2076 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2078 * final.c: Move the declaration of profile_label_no to ...
2079 * output.h: ... here.
2080 * function.c (expand_function_start): Call PROFILE_HOOK.
2081 * config/rs6000/aix.h: Define PROFILE_HOOK.
2082 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2083 * config/rs6000/rs6000.c (output_profile_hook): Define.
2084 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2085 output_profile_hook.
2086 tm.texi : Explain new macro PROFILE_HOOK.
2088 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2090 * extend.texi (Extended Asm): Do not say that semicolon is always
2091 a valid line-breaking character for GNU assemblers. Use
2092 newline-tab as the most commonly supported syntax. Use
2093 newline-tab rather than semicolon in multi-insn examples.
2095 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2097 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2099 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2100 David Edelsohn <edelsohn@gnu.org>
2102 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2103 code for AIX, even without flag_pic.
2105 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2107 * c-typeck.c (common_type): push and pop binding level around
2108 calling common_type on function parameters.
2110 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2112 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2114 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2116 * config/mips/mips.c (override_options): Fix typo in last change.
2117 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2118 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2120 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2122 * invoke.texi (-fdump-class-layout): Document.
2123 (-fdump-translation-unit): Use `=' as filename separator.
2125 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2127 * Makefile.in (s-mlib): Don't build multilibs if
2129 (DRIVER_DEFINES): Adjust accordingly.
2131 (protoize.o): Likewise.
2132 (unprotoize.o): Likewise.
2133 * configure.in: Recognize --enable-multilib.
2135 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2137 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2139 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2140 * configure.in: Remove --enable-libstdcxx_v3 support.
2141 * configure: Regenerated.
2143 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2145 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2146 Call abort instead of fatal.
2147 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2148 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2149 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2150 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2151 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2152 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2154 * diagnostic.h (set_internal_error_function): Renamed.
2155 * toplev.h (internal_error): Renamed from fatal.
2156 (pfatal_with_name): Deleted.
2157 (fatal_io_error): Now has printf-style arguments.
2158 * diagnostic.c (pfatal_with_name): Deleted.
2159 (fatal_io_error): Rework to have args in printf-style.
2160 (set_internal_error_function): Renamed from set_fatal_function.
2161 (internal_error): Renamed from fatal.
2162 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2163 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2164 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2165 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2166 * flow.c (verify_flow_info): Likewise.
2167 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2168 * config/mips/mips.c (save_restore_insns): Likewise.
2170 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2171 * flow.c (verify_flow_info): Likewise.
2172 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2173 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2174 (avr_normalize_condition): Likewise.
2175 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2176 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2177 (limit_reload_class, double_reg_to_memory): Likewise.
2178 (print_operand_address, emit_1600_code_shift): Likewise.
2179 (gen_tst_reg, gen_compare_reg): Likewise.
2180 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2181 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2183 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2185 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2186 * objc/objc-act.c (build_ivar_chain): Likewise.
2187 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2189 * graph.c (clean_graph_dump_file): Likewise.
2190 * profile.c (init_branch_prob): Likewise.
2191 * objc/objc-act.c (objc_init): Likewise.
2193 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2194 * config/avr/avr.c (avr_override_options): Likewise.
2195 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2196 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2197 * config/h8300/h8300.c (h8300_init_once): Likewise.
2198 * config/mips/mips.c (override_options): Likewise.
2199 * config/i386/i386.c (override_options): Likewise, rework.
2200 * config/m68k/m68k.c (override_options): Likewise.
2202 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2204 * config/mips/mips.c (print_operand): Likewise.
2205 * hash.c (hash_allocate): Don't check for failure returns from
2206 obstack functions that can't fail.
2207 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2208 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2209 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2210 (get_object_reference): Likewise.
2212 2001-02-04 Nick Clifton <nickc@redhat.com>
2214 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2215 StrongARM1110, 10TDMI, and 1020T.
2217 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2219 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2221 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2223 * config/sh/sh.md (movdf load split): Pass register number to
2224 FP_OR_XD_REGISTER_P.
2226 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2228 * cppinit.c (BC): New macro.
2229 (builtin_array): Add __GXX_WEAK__.
2230 * cpplib.h (builtin_type): Add BT_WEAK.
2231 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2232 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2233 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2235 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2237 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2239 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2241 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2242 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2244 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2246 * cpphash.h: Rename ALIGN _ALIGN.
2247 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2249 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2251 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2252 compilation environment.
2253 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2254 control over location of cygwin includes and libs.
2256 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2258 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2260 2001-02-02 lars brinkhoff <lars@nocrew.org>
2262 * md.texi (Standard Names): remove reference to spur.md.
2264 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2266 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2267 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2268 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2269 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2270 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2272 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2274 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2275 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2276 number before reload.
2277 (c4x_adjust_cost): Return zero before reload.
2278 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2279 split before reload.
2281 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2283 * c4x.c (c4x_hard_regno_rename_ok): New.
2284 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2285 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2287 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2289 * diagnostic.h: Add missing "extern" in all declarations.
2291 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2293 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2294 as for gcc_gxx_include_dir.
2296 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2298 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2300 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2302 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2303 label before alignment to be used as the braf base address.
2304 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2306 (casesi_jump_2): Require at least TARGET_SH2.
2308 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2309 truncation to 32-bit doubles on -m3e and -m4-single-only.
2311 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2313 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2314 the default when building a shared object.
2315 (init_spec): Use it.
2316 * testsuite/lib/g++.exp: Include the directory where libgcc
2317 is located to the LD_LIBRARY_PATH list.
2318 * invoke.texi (-shared-libgcc): Document the cases in which
2319 GCC defaults to using the shared libgcc.
2321 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2323 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2324 unsigned is wide enough.
2326 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2327 (si_to_float): Likewise.
2328 (float_to_si, float_to_usi): Use BITS_PER_SI.
2330 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2332 * dwarf2out.c: Added explanation of abbreviations.
2333 (def_cfa_1): Added comments listing DWARF2 instructions.
2334 (cfa_temp_reg): Removed in favor of cfa_temp.
2335 (cfa_temp_value): Removed in favor of cfa_temp.
2336 (cfa_temp): New global variable.
2337 (dwarf2out_frame_debug_expr): Added extensive introductory
2338 comments explaining the function's transformations. Revised to
2339 use cfa_temp. Added some rtx checking. Generalize IOR case.
2340 (dwarf2out_frame_debug): Revised to use cfa_temp.
2341 (output_aranges): Cast as "unsigned" to avoid warning.
2342 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2343 explain which instructions must be marked.
2345 2001-02-01 Richard Henderson <rth@redhat.com>
2347 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2350 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2352 * config/sh/crt1.asm (main_k): Modified so that start calls
2353 ___setup_argv_and_call_main.
2355 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2357 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2358 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2359 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2360 * cppmacro.c (builtin_macro): Set builtin flags here.
2361 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2362 (replace_args): Clarify intent.
2363 (cpp_get_token): Macro expansion tokens get the saved flags.
2365 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2368 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2370 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2373 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2375 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2376 returns Pmode pseudo, but we need ptr_mode.
2377 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2378 Remove bogus conversions; use HOST_WIDE_INT for size.
2379 Don't use TARGET if wrong mode.
2381 * config/i386/i386.c (ix86_compute_frame_size): Allow
2382 stack_alignment_needed to be non-default even if size is zero.
2384 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2386 * (hppa_init_pic_save): Emit the pic offset table
2387 reg save after last_parm_insn.
2388 * pa.c (hppa_init_pic_save): New function.
2389 * pa.h (hppa_init_pic_save): Declare.
2390 * pa.md (call, call_value, sibcall, sibcall_value): Use
2391 the above instead of duplicated code.
2393 * pa.c (hppa_encode_label): Correct size of alloca buffer
2394 so we don't overrun it. Correct leading `*' case.
2395 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2396 need to handle `*@'.
2397 (FUNCTION_NAME_P): Likewise.
2399 2001-01-31 Richard Henderson <rth@redhat.com>
2401 * config.gcc (alpha-osf5): Use float-i128.h.
2403 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2404 * config/float-i32.h: Likewise.
2405 * config/float-i64.h: Likewise.
2406 * config/float-sh.h: Likewise.
2407 * config/float-sparc.h: Likewise.
2409 2001-01-31 DJ Delorie <dj@redhat.com>
2411 * expmed.c (extract_bit_field): allow non-integral modes if we
2412 want to extract a whole register from itself.
2414 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2416 * c-typeck.c (set_init_index): If first is equal to last, assume as
2417 if it was not a range at all.
2419 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2421 * config/fp-bit.c: Include tm.h.
2422 (float_to_si): Don't assume SImode is 32-bits wide.
2423 (float_to_usi): Likewise.
2425 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2427 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2429 (typename): Call pending_xref_error after parsing typed_typespecs.
2430 * c-decl.c (lookup_tag): Give error immediately rather than
2431 leaving it pending if the tag of the wrong type is in the same
2433 (xref_tag): Don't pedwarn for forward declarations of enum types
2435 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2438 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2440 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2442 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2444 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2445 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2447 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2449 * cpphash.h (struct cpp_reader): New saved_flags.
2450 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2451 to avoid a paste after a pasted token.
2453 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2455 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2456 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2457 Wtype_MIN instead of LONG_MIN.
2459 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2461 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2463 * fixinc/fixincl.x: Regenerated.
2464 * fixinc/inclhack.def (irix_limits_const): New definition to
2465 convert "const" to "__const" in limits.h.
2467 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2469 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2471 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2473 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2474 when register dies in the insn.
2476 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2478 * diagnostic.c (fatal): Fix word wrap.
2480 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2482 * combine.c (try_combine): Fix SUBREG setting for
2483 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2485 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2487 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2490 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2492 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2494 * toplev.c (decode_W_option): Update warn_larger_than
2495 unconditionally for each processed switch.
2497 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2499 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2501 (hppa_expand_prologue): Delete code to save pic offset table register
2502 in the function prologue.
2503 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2504 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2505 table register at the beginning of the function after the prologue.
2507 2001-01-29 lars brinkhoff <lars@nocrew.org>
2509 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2511 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2512 Jeff Law <law@redhat.com>
2514 * pa.md (return): Revise comment for trivial return.
2515 (return_internal): Non-trivial return pattern for non-PIC code.
2516 (return_internal_pic): Non-trivial return pattern for PIC code.
2517 It uses the PIC register to ensure it is restored after
2519 (epilogue): Generate appropriate return for PIC and non-PIC code.
2521 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2523 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2525 2001-01-29 DJ Delorie <dj@redhat.com>
2527 * combine.c (if_then_else_cond): Pass the correct mode to
2528 operand_subword() for constants.
2530 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2532 * config/i386/cygwin.h: Add w32api to include search. Search different
2533 directories in a cross-build environment.
2535 2001-11-29 Tim Josling <tej@melbpc.org.au>
2537 * tree.h (TYPE_STUB_DECL): Add documentation.
2539 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2541 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2542 (sdbout_field_types): Likwise. Fix use of host_integerp.
2544 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2546 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2549 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2551 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2552 to use flag_gnu_linker.
2554 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2556 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2557 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2559 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2561 * tree.c, tree.h (build_parse_node): Remove; was identical to
2563 * c-lang.c (start_cdtor), objc/objc-act.c
2564 (build_module_descriptor): Use build_nt instead of
2567 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2569 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2570 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2571 not have any upper bits set.
2573 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2575 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2577 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2579 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2581 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2583 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2584 (integer_minus_one_node): Define.
2586 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2588 * Makefile.in (bootstrap2-lean): Fix typo.
2590 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2592 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2593 : Don't set fe_value.
2594 * cpplib.h (AVOID_LPASTE): New flag.
2595 (struct cpp_hashnode): Remove fe_value.
2596 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2597 * cppmacro.c (builtin_macro): Don't set flags here.
2598 (replace_args): Set AVOID_LPASTE flag on first token of an
2599 argument, and the token following it.
2600 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2601 macro expansion, and on the token following it. Do it for
2603 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2605 2001-01-27 Richard Henderson <rth@redhat.com>
2607 * config/alpha/t-ieee: Remove multilibbing.
2608 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2610 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2612 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2614 * Makefile.in: Remove all dependencies on defaults.h.
2615 * builtins.c: Don't include defaults.h.
2616 * c-common.c: Likewise.
2617 * c-decl.c: Likewise.
2618 * c-pragma.c: Likewise.
2619 * c-typeck.c: Likewise.
2620 * combine.c: Likewise.
2622 * frame-ia64.c: Likewise.
2623 * cppexp.c: Likewise.
2624 * crtstuff.c: Likewise.
2625 * dbxout.c: Likewise.
2626 * dwarf2out.c: Likewise.
2627 * dwarfout.c: Likewise.
2628 * emit-rtl.c: Likewise.
2629 * except.c: Likewise.
2631 * final.c: Likewise.
2632 * frame-dwarf2.c: Likewise.
2633 * libgcc2.c: Likewise.
2634 * optabs.c: Likewise.
2635 * profile.c: Likewise.
2636 * sdbout.c: Likewise.
2637 * toplev.c: Likewise.
2638 * tradcif.y: Likewise.
2640 * varasm.c: Likewise.
2642 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2644 * builtins.c (expand_builtin_fputs): Use size_one_node when
2645 transforming into fwrite.
2647 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2649 * extend.texi (Attribute Syntax): New section.
2651 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2653 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2654 they didn't need fixing.
2656 2001-01-27 Janis Johnson <janis@us.ibm.com>
2658 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2660 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2661 to remove macro definitions that are duplicated from elfos.h.
2663 2001-01-27 Richard Henderson <rth@redhat.com>
2665 * config/i386/sco5gas.h: Move ...
2666 * config/usegas.h: ... here.
2667 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2669 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2671 * c-typeck.c (struct constructor_stack): Add range_stack member.
2672 (really_start_incremental_init): Clear it.
2673 (push_init_level): Save constructor_range_stack and clear it if
2674 pushing explicit braces.
2675 (pop_init_level): abort if constructor_range_stack is non-zero at
2676 explicit closing brace. Restore saved constructor_range_stack if
2679 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2681 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2682 into register was forced into memory.
2684 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2686 * Makefile.in: Remove uses of + before $(MAKE).
2688 2001-01-26 Richard Henderson <rth@redhat.com>
2690 * stmt.c (cost_table): Remove.
2691 (COST_TABLE, cost_table_initialized): New.
2692 (estimate_case_costs): Use the later instead of the former.
2693 (balance_case_nodes): Likewise.
2695 2001-01-26 Richard Henderson <rth@redhat.com>
2697 * alias.c (objects_must_conflict_p): Read-only slots may not
2698 conflict despite having the same type.
2700 2001-01-27 Michael Hayes <mhayes@redhat.com>
2702 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2704 (check_ext_dependant_givs): Initialise u_start_val and
2706 (load_mems): Make last_max_reg unsigned.
2707 (try_swap_copy_prop): Use INSN_P and initialise set.
2709 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2711 * README.AVR : Removed.
2713 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2715 * pa-64.h (text_section): Remove declaration.
2717 * pa.md (return_internal): Remove mode on PIC register use.
2719 2001-01-25 lars brinkhoff <lars@nocrew.org>
2721 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2722 ASM_CLOSE_PAREN): fix typos.
2724 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2726 * acconfig.h: Define `const' to the empty string if neither
2727 __STDC__ nor __cplusplus is defined.
2728 * config.in: Regenerated.
2730 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2732 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2733 * collect2.c (main): Delete importf. Add ".obj" file extension.
2734 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2735 (aix_std_libs): Add additional AIX libraries to skip.
2736 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2737 * config/rs6000/aix51.h: New file.
2739 2001-01-25 Michael Hayes <mhayes@redhat.com>
2741 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2742 (loop_insn_emit_before): No longer static.
2743 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2744 (loop_givs_rescan, load_mems): Likewise.
2745 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2746 (maybe_eliminate_biv_1):
2747 (move_movables): Replace emit_call_insn_before with
2748 loop_call_insn_hoist.
2749 * loop.h (loop_insn_emit_before): Add.
2750 * unroll.c (copy_loop_body): Replace emit_insn_before with
2751 loop_insn_emit_before.
2753 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2755 * diagnostic.c (fatal): Request preprocessed source.
2757 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2759 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2760 olddecl has argument types and newdecl has none, use the argument
2763 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2765 * dwarf2out.c (prefix_of): New function. Determine longest common
2766 prefix of the two arguments. The units are whole path components.
2767 (output_file_names): When adding a new directory find the one entry
2768 with the longest common prefix already in the list. Artificially
2769 generate entry if there is none for this prefix.
2770 Fix test to check whether the zeroth directory entry is used.
2772 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2774 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2775 Changed all callers. Take it into account when deciding if a
2776 previously loaded value matches.
2778 2001-01-24 Richard Henderson <rth@redhat.com>
2780 * reload.c (find_reloads_subreg_address): Fail the substitution
2781 if the resulting address is insufficiently aligned.
2783 2001-01-24 DJ Delorie <dj@redhat.com>
2785 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2786 check the original operand's mode also.
2787 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2789 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2791 * c-parse.in (cast_expr): Move compound literals from here ...
2792 (primary): ... to here. Use standard terminology "compound
2793 literal" instead of "constructor expression".
2795 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2797 * gcc.1, cpp.1: Regenerate.
2799 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2801 * calls.c (emit_library_call_value_1): Memory slot for
2802 pass-by-reference argument should have the mode of the argument,
2803 not of the pointer to it.
2805 2001-01-24 Tom Tromey <tromey@redhat.com>
2807 * gcc.texi (G++ and GCC): Mention gcj manual.
2808 (Standards): Link to section of manual mentioning gcj/Java
2811 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2813 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2814 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2815 * tradcpp.c (main): Add -imacros or -include'd dependencies
2817 * cpp.texi (-M, -MM): Document -M -include behaviour.
2819 2001-01-24 Roger Collins <roger@ProProject.com>
2821 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2823 2001-01-24 Will Cohen <wcohen@redhat.com>
2825 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2826 whether registers are 32 bits or 64 bits in size.
2828 2001-01-24 Ben Elliston <bje@redhat.com>
2830 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2832 2001-01-24 Richard Henderson <rth@redhat.com>
2834 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2835 (builtin_longjmp): Use it instead of emit_indirect_jump.
2837 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2839 * bb-reorder.c (make_reorder_chain_1): Handle case where
2840 jump edge goes to the same block as the fallthru edge.
2842 2001-01-23 Jim Wilson <wilson@redhat.com>
2844 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2845 * frame.h (__ia64_personality_v1): Add prototype.
2846 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2847 prototype form. Add void * cast to first argument to personality
2849 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2850 (asctoe113): Likewise.
2851 * config/ia64/frame-ia64.c: Include eh-common.h.
2852 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2854 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2856 (itanium_split_issue): Add prototype.
2857 (gen_nop_type): Ifdef out.
2858 (find_best_packet): Initialize best_packet.
2859 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2861 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2862 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2863 (flushrs): Add explicit stop bit at end.
2864 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2867 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2869 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2871 * libgcc2.c (__terminate_func): Make variable static.
2872 (__terminate_set_func): New function to set __terminate_func.
2873 * libgcc2.h (__terminate_func_ptr): New typedef.
2874 (__terminate_set_func): New function.
2876 2001-01-23 Richard Henderson <rth@redhat.com>
2878 * flow.c (init_propagate_block_info): Don't consider unchanging
2879 memories for dead frame store elimination.
2881 2001-01-23 Richard Henderson <rth@redhat.com>
2883 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2884 * defaults.h: ... here.
2886 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2888 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2890 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2892 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2894 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2896 * rs6000.h (rs6000_return_addr): Move prototype from here...
2897 * rs6000-protos.h (rs6000_return_addr): ...to here.
2898 (rs6000_init_expanders): Delete prototype.
2900 2001-01-23 Nick Clifton <nickc@redhat.com>
2902 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2903 (Spec Files): Document %B and %j and %. and %v3 and %M and
2904 %{S*&T} spec switches.
2906 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2908 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2910 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2911 Neil Booth <neil@daikokuya.demon.co.uk>
2913 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2914 Have -Werror make pedantic warnings errors, like the
2917 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2919 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2921 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2923 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2924 * integrate.c (expand_inline_function): Initialize them.
2925 (subst_constants): If changing COMPARE so that both its arguments
2926 will be VOIDmode and the comparison mode will be lost, note
2927 compare_mode. Use the recorded compare_mode to optimize
2930 2001-01-23 Jason Merrill <jason@redhat.com>
2932 * dwarf2out.c (new_die): Use xcalloc.
2933 (output_die): Abort rather than emit a local reference to offset 0.
2935 2001-01-17 Andrew Haley <aph@redhat.com>
2937 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2938 of a saved register; return NULL instead.
2939 (copy_reg): Take a pointer to a source register rather than a
2941 (next_stack_level): Remember the address in the stack frame of all
2943 Use the saved register pointer array as the source of the CFA.
2944 (throw_helper): Rewrite. Unwind once rather than twice and keep
2945 track of saved registers as we go.
2947 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2949 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2950 * c4x.c (c4x_legitimize_reload_address): Remove.
2951 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2952 reload address for ldp(k) insn.
2954 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2956 * pa.md (return_internal): Add a USE of the PIC register to ensure
2957 it is restored after each call.
2958 (return expander): Corresponding changes.
2960 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2962 * rs6000.h (INIT_EXPANDERS): Delete.
2963 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2964 * rs6000.c (rs6000_override_options): Call *_machine_status from
2966 (rs6000_init_expanders): ...instead of here. Delete.
2967 (rs6000_mark_machine_status): New function.
2968 (rs6000_init_machine_status): Use xcalloc.
2969 (rs6000_return_addr): Generate RTX for the return address.
2970 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2971 (rs6000_stack_info): Use it.
2973 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2975 * gthr-win32.h: Include errno.h to get a declaration for
2976 EINVAL and _mingw.h if the target is mingw32.
2978 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2980 * cpp.texi: Correct typos.
2982 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2984 * explow.c (probe_stack_range): Ensure value passed to
2985 stack_check_libfunc is ptr_mode, not Pmode.
2987 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2989 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2990 case, don't use operand_subword to calculate a SUBREG that is
2993 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2995 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2997 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2998 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2999 valid. If not replace it by equivalent insns.
3001 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3003 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3004 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3005 (c4x_U_constraint, symbolic_address_operand): Likewise.
3006 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3008 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3009 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3010 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3011 anulling slot because of silicon bug.
3012 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3014 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3016 * cppexp.c (parse_charconst): Change `mask' type to agree
3019 2001-01-21 Richard Henderson <rth@redhat.com>
3021 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3022 pic_label_name in a linkonce section.
3024 2001-01-17 Philipp Thomas <pthomas@suse.de>
3026 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3028 * configure: Regenerate.
3030 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3032 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3033 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3035 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3037 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3038 If REVERSE nonzero then condition code in X must be reversed.
3039 (encode_section_info): Optimise if/else.
3040 (avr_function_value): Fix formatting.
3042 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3043 (difficult_branch): Likewise.
3044 (rvbranch): Likewise.
3045 (difficult_rvbranch): Likewise.
3047 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3049 * config/avr/libgcc.S: Fix comment.
3051 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3053 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3055 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3057 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3059 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3061 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3062 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3063 * configure, config.in: Regenerate.
3064 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3065 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3066 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3067 (doprint.o): New rule.
3069 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3071 * c-typeck.c (digest_init): Handle boolean types as scalars.
3073 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3075 * stmt.c (expand_return): Don't return anything if size is zero.
3076 Delete redundant assignment to BYTES.
3077 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3079 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3081 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3082 the same as the default library function names.
3083 * config/avr/avr.md: Document special characters after '%'.
3084 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3085 knowing which of the call-used registers are really clobbered.
3086 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3087 New. Both quotient and remainder from one libgcc.S call.
3088 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3089 clobber as few registers as possible.
3090 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3092 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3094 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3095 context of the top of the stack.
3097 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3099 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3100 (fixup_var_refs_insns): ...here.
3102 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3104 * function.c (fixup_var_refs_insns): Break up into
3105 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3106 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3107 [loop over hash table entries].
3108 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3109 fixup_var_refs_insns_with_hash, to match above changes.
3111 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3113 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3114 (libgcc.a): Likewise.
3115 (stmp-multilib): Likewise.
3116 (STAGE2_FLAGS_TO_PASS): Likewise.
3118 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3120 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3121 temporary if no_new_pseudos.
3123 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3125 * cppinternals.texi: Update.
3127 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3129 * arm.c (arm_init_builtins): Re-enable builtins.
3131 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3133 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3134 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3135 element to be null, and always expect an EXPR_LIST.
3136 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3137 * sched-deps.c (sched_analyze_1): Likewise.
3138 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3140 * regclass.c (max_set_parallel): New variable.
3141 (reg_scan): Take it into account in computation of max_parallel.
3142 (reg_scan_mark_refs, case SET): Compute it.
3144 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3146 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3147 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3149 2001-01-19 Jason Merrill <jason@redhat.com>
3151 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3152 for the abstract instance of an inline function.
3154 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3155 J"orn Rennecke <amylaar@redhat.com>
3157 * reload1.c (move2add_note_store): Treat all registers directly or
3158 indirectly derived from a base register as members of the same set
3160 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3161 of base register into account.
3163 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3165 * alias.c (find_base_value): Recognize TRUNCATE.
3166 (record_set): In PLUS case, invalidate if other summand is also a
3169 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3171 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3172 entry to be EXPR_LIST.
3173 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3174 be an EXPR_LIST (but not null, which other code doesn't allow).
3175 (note_stores): Properly handle PARALLEL in SET.
3176 Recursively call for top-level PARALLEL.
3177 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3178 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3180 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3182 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3184 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3185 not pfile->skipping (== 0).
3187 2001-01-17 Nick Clifton <nickc@redhat.com>
3189 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3192 2001-01-17 Jim Wilson <wilson@redhat.com>
3194 * invoke.texi (IA-64 options): Improve.
3196 2001-01-17 Tom Tromey <tromey@redhat.com>
3198 * invoke.texi (Optimize Options): Use `{}' to around @samp
3201 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3203 * invoke.texi (-fno-guess-branch-probability): New option.
3205 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3207 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3208 case of making new double-word constant.
3209 Revert last change: instead just test i3_subst_into_i2.
3211 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3213 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3214 Use q constraints instead of r.
3216 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3218 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3219 (machine_function): Define.
3220 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3221 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3222 pa_free_machine_status): New functions.
3223 (override_options): Set {init,mark,free}_machine_status to above.
3224 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3225 PIC_OFFSET_TABLE_REGNUM_SAVED.
3226 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3227 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3228 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3229 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3230 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3232 2001-01-15 DJ Delorie <dj@redhat.com>
3234 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3238 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3240 * flow.c (propagate_on_insn): Make trying to delete a prologue
3241 or epilogue insn an ICE, not a warning. Allow doing this if
3242 the current function returns with stack pointer depressed.
3244 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3245 I3 having more than one SET.
3247 2001-01-16 Jim Wilson <wilson@redhat.com>
3249 * invoke.texi: Document IA-64 options.
3251 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3252 (fixup_errata): Delete TARGET_A_STEP use.
3253 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3254 (TARGET_SWITCHES): Delete -ma-step option.
3255 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3256 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3257 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3258 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3259 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3260 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3262 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3263 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3264 cmovsi_internal): Delete ! TARGET_A_STEP check.
3266 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3268 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3269 possibility to report bugs via postal mail. Change a URL and
3270 merge in a nearly duplicate statement...
3271 (Bug Reporting): ...from here.
3272 (Service): Refer to the Bug Reporting section instead of
3274 (Contributing): Remove trivial explanations concerning snapshots.
3276 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3278 * cppmain.c (general_init): Don't use ANSI prototype.
3280 2001-01-16 Tom Tromey <tromey@redhat.com>
3282 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3284 2001-01-16 Richard Henderson <rth@redhat.com>
3286 * config/i386/i386.h: Fix comment typo.
3287 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3288 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3290 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3292 * gcc.c: Revert previous -fsyntax-only-related change; move
3295 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3297 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3298 inmode after checking GET_CODE (op).
3300 2001-01-16 Richard Henderson <rth@redhat.com>
3302 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3303 (MAX_MEM_SET_LIST_LEN): New.
3304 (propagate_one_insn): Update mem_set_list_len.
3305 (invalidate_mems_from_autoinc): Likewise.
3306 (invalidate_mems_from_set): Likewise.
3307 (mark_used_regs): Likewise.
3308 (init_propagate_block_info): Likewise. Stop collecting memories
3309 when we reach MAX_MEM_SET_LIST_LEN.
3310 (mark_set_1): Likewise.
3312 2001-01-16 Richard Henderson <rth@redhat.com>
3314 * unroll.c (precondition_loop_p): Fail if no iteration
3317 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3319 * gcc.c: When -fsyntax-only is given, do not complain about
3322 2001-01-15 Richard Henderson <rth@redhat.com>
3324 * config/i386/i386.c (asm_output_function_prefix): Remove.
3325 (ix86_asm_file_end): New.
3326 (load_pic_register): Generate pic_label_name into a
3327 staticly allocated buffer.
3328 * config/i386/i386-protos.h: Update.
3329 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3330 (ASM_FILE_END): New.
3331 * config/i386/i386afe.h: New file.
3332 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3333 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3334 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3335 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3336 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3337 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3338 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3340 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3342 * Makefile.in (install-man): Remove explicit dependency on
3345 * configure.in, configure: Revert previous patch requiring perl
3348 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3350 * toplev.c (flag_guess_branch_prob): New.
3351 (f_options): Add guess-branch-probability option.
3352 (rest_of_decl_compilation): Only estimate branch probability if
3354 (main): set flag_guess_branch_prob.
3356 * flags.h (flag_guess_branch_prob): New.
3358 2001-01-15 DJ Delorie <dj@redhat.com>
3360 * gcc.texi (Makefile): Add documentation for Makefile targets.
3362 2001-01-15 Philip Blundell <philb@gnu.org>
3364 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3366 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3367 (is_pic): Delete declaration.
3368 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3369 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3370 * config/arm/arm.md (builtin_setjmp_receiver): New.
3372 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3374 * arm.c (use_return_insn): Don't try to determine the function type
3375 until after reload has completed.
3376 (arm_output_epilogue): Don't adjust the sp value recovered from the
3378 (emit_multi_reg_push): Don't record dwarf information for the pc.
3379 * arm.md (eh_epilogue): The function type may have changed, so it
3380 needs to be recalculated.
3381 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3382 unwind tables on arm/netbsd.
3384 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3386 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3387 (negated_cbranchsi4): Likewise.
3389 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3391 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3392 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3393 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3394 pass -mapcs-* options to assembler.
3395 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3396 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3397 (ASM_SPEC): Call subtarget_extra_asm_spec.
3399 2001-01-15 Andreas Jaeger <aj@suse.de>
3401 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3403 (ix86_expand_builtin): Likewise.
3405 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3406 warning about comparison between signed and unsigned.
3408 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3410 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3412 2001-01-14 Ralf Baechle <ralf@gnu.org>
3414 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3415 SUBTARGET_CPP_SPEC apropriatly.
3417 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3419 * varasm.c (make_decl_rtl): Fix typo in last change.
3421 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3423 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3424 linker supports the init_priority C++ attribute.
3425 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3426 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3427 linker does not support init_priority C++ attribute.
3429 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3431 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3433 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3435 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3436 * cp/lex.c (finish_parse): Similarly.
3437 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3438 Return the number of errors encountered.
3439 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3440 * cppmain.c (main): Don't call cpp_destroy.
3442 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3444 * configure.in: Require at least perl 5.6.0 to regenerate
3446 * configure: Regenerate.
3448 2001-01-14 Richard Henderson <rth@redhat.com>
3450 * genrecog.c (DT_veclen_ge): New.
3451 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3452 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3453 (nodes_identical_1): Handle DT_veclen_ge.
3454 (write_cond, debug_decision_2): Likewise.
3456 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3458 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3460 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3462 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3464 * cppmain.c (do_preprocessing): New function; most of the old
3466 (main): Call it to do most of the work.
3467 (cb): Move from global scope to set_callbacks ().
3468 (setup_callbacks): Get the callback pointer.
3469 (general_init, printer_init): Clean up code and comments.
3471 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3473 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3476 2001-01-14 Kazu Hirata <kazu@hxi.com>
3478 * config/h8300/h8300.c (get_shift_alg): Update comments.
3480 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3482 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3483 (alloc_page, ggc_alloc): Add casts to remove warnings.
3485 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3487 * combine.c (simplify_comparison): Don't change `code' when
3488 can't reverse comparison.
3490 2001-01-14 Richard Henderson <rth@redhat.com>
3492 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3493 update all call sites. Return true for all non-label constants.
3495 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3497 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3499 (ix86_expand_branch): Update.
3500 (ix86_expand_setcc): Update to handle multiple test conditions.
3501 (expand_int_movcc): Likewise.
3502 (expand_fp_movcc): Likewise.
3503 * i386-protos.h (ix86_expand_compare): New.
3504 * i386.md (andqi_?_slp, orqi_?_slp): New.
3505 (conditional trap expander): Update call to ix86_expand_compare.
3507 2001-01-14 Richard Henderson <rth@redhat.com>
3509 * config/vax/vax.md: Use nonimmediate_operand instead of
3510 general_operand in destinations.
3512 * config/vax/vax.md (indirect_jump): Use register_operand.
3514 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3515 * config/vax/vax.md (call_pop): Turn into an expander.
3516 (call_value_pop): Likewise.
3517 (call, call_value): New.
3519 2001-01-14 Andreas Jaeger <aj@suse.de>
3521 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3523 (ix86_fp_compare_mode): Add unused attribute.
3524 (ix86_expand_fp_movcc): Remove unused variable.
3525 (ix86_expand_builtin): Make fcode unsigned.
3527 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3528 (expand_expr): Add cast to avoid signed warning.
3529 (store_field): Likewise.
3530 (store_constructor_field): Likewise.
3531 (store_constructor): Likewise.
3532 (store_expr): Likewise.
3533 (clear_storage): Likewise.
3534 (emit_group_store): Likewise.
3535 (emit_group_load): Likewise.
3537 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3539 * c-common.c: Move format checking code to ...
3540 * c-format.c: ... here. New file. Reorder some functions and
3542 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3544 * c-common.h (decl_handle_format_attribute,
3545 decl_handle_format_arg_attribute): Declare.
3546 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3547 (c-common.o): Adjust dependencies.
3548 (c-format.o): New list of dependencies.
3550 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3552 * unroll.c (loop_iterations): If we cannot prove iteration variable
3553 is set once in each iteration, punt.
3555 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3557 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3558 (*strlenhi): Remove clobber (which was buggy) of output address.
3560 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3562 * Makefile.in (generated-manpages): Add gcc.1
3563 ($(srcdir)/gcc.1): New target.
3564 (maintainer-clean): Delete $(srcdir)/gcc.1.
3565 * gcc.texi: Add macros @gccoptlist and @gol.
3566 * invoke.texi: Include option summary in manpage. Mark up option
3567 summary with @gccoptlist and @gol. Use @r in one place where
3569 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3570 * gcc.1: Generate from invoke.texi.
3572 2001-01-13 Richard Henderson <rth@redhat.com>
3574 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3575 (struct page_entry): Add group member.
3576 (struct page_group): New.
3577 (struct globals): Add page_groups member.
3578 (alloc_anon): Only define for using mmap; remove valloc call.
3579 (page_group_index): New.
3580 (set_page_group_in_use): New.
3581 (clear_page_group_in_use): New.
3582 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3583 (free_page, release_pages): Likewise.
3584 * configure.in (with-gc): Default to ggc-page always.
3586 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3588 * reload1.c (replace_pseudos_in_call_usage): Use
3589 reg_equiv_constant and reg_equiv_address, and don't try
3590 regno_reg_rtx first.
3592 2001-01-13 Richard Henderson <rth@redhat.com>
3594 * ggc-page.c (alloc_page): Round up allocation size to one page.
3595 Set e->order on extra pages.
3597 2001-01-13 Richard Henderson <rth@redhat.com>
3599 * genrecog.c (nodes_identical): Expand commentary.
3600 (write_switch): Watch out for identical nodes.
3602 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3604 * cppfiles.c (_cpp_fake_include): New function.
3605 * cpphash.h (_cpp_fake_include): New.
3606 * cpplib.c (do_line): Call _cpp_fake_include when entering
3607 header files in preprocessed input.
3608 * cppmain.c (cb_pragma_implementation): Remove handling.
3609 (setup_callbacks): Don't register pragmas.
3611 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3613 * extend.texi: Udate for CPP.
3615 2001-01-13 Andreas Jaeger <aj@suse.de>
3617 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3619 * regmove.c: Add prototype for replace_in_call_usage.
3621 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3623 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3624 struct cpp_chunk, struct htab, struct toklist,
3625 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3626 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3627 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3628 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3629 (struct macro_args): Delete.
3630 * cpphash.h: See above.
3632 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3634 * cppmain.c (struct printer): Remove no_line_dirs.
3636 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3637 : Use options rather than CPP_OPTION.
3638 (setup_callbacks): Use cb rather than pfile->cb.
3639 (main): No need to check for a buffer. Use cpp_errors.
3640 (printer_init): Don't set no_line_dirs.
3641 (maybe_print_line): Use options not no_line_dirs.
3642 (cb_file_change): Don't call print_line if -P.
3644 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3646 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3648 * c-parse.in (finish_parse): Use cpp_errors.
3649 (__yylex): Use return value of cpp_pop_buffer.
3650 * cp/lex.c (finish_parse): Use cpp_errors.
3651 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3653 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3655 * README.AVR: URLs corrected.
3657 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3659 * c-decl.c (start_function): Don't warn if old prototype is builtin
3660 that's not in C's namespace.
3661 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3662 (_bb): Add prototype for ctime.
3663 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3665 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3667 * i386.c (ix86_fp_comparison_arithmetics_cost,
3668 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3669 ix86_fp_comparison_cost): New functions.
3670 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3671 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3672 two-branch sequences; make static.
3673 (ix86_use_fcomi_compare): Do decision according to the costs.
3674 (split_fp_branch): New.
3675 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3676 * i386-protos.h (ix86_expand_fp_compare): Remove
3677 (ix86_split_fp_branch): Declare.
3679 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3680 and ix86_comparison_operator.
3682 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3685 * i386.c (put_condition_code): Output properly the unordered/ordered
3686 compares in fp case.
3687 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3689 * tm.texi (REVERSE_CONDITION): Document.
3690 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3691 in -ffast-math mode.
3692 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3694 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3696 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3698 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3701 * config/sh/sh.c (mova_p): Fix test for mova_const.
3703 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3705 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3706 cpp_get_options rather than dereferencing pfile and using
3708 * scan-decls.c (scan_decls): Use return value of
3709 cpp_pop_buffer rather than CPP_BUFFER.
3711 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3713 * cppinit.c (cpp_handle_option): help_only is now part of the
3714 cpp_options structure.
3715 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3716 cpp_set_callbacks): New functions.
3717 * cpplib.h (cpp_callbacks): Break out as a named structure.
3718 (cpp_options): Move help_only here from cpp_reader.
3719 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3720 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3721 cpp_set_callbacks): New prototypes.
3722 * cppmain.c (main): Update for help_only.
3724 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3726 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3727 Also build and remove and install and uninstall c-tree.info and
3729 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3730 ($(srcdir)/cppinternals.info): New target.
3731 * c-tree.texi: Change file name used when makeinfo used without -o
3732 from ir.info to c-tree.info. Add info directory entry.
3733 * cppinternals.texi: Add info directory entry.
3734 * .cvsignore: Update.
3736 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3738 * c-typeck.c (store_init_value): Don't require constant initializer
3739 elements with -pedantic -std=c99.
3740 (digest_init): Change error about non-constant initializer elements
3742 (constructor_range_end): Remove.
3743 (constructor_incremental, designator_depth,
3744 designator_errorneous): New variables.
3745 (struct constructor_stack): Remove range_end, add incremental.
3746 (struct constructor_range_stack, constructor_range_stack): New.
3747 (struct initializer_stack): Add constructor_range_stack.
3748 (finish_init): Set it.
3749 (start_init): Likewise. require_constant_elements for non-static
3750 trees only if not flag_isoc99.
3751 (really_start_incremental_init): Remove constructor_range_end, add
3752 constructor_incremental.
3753 (pop_init_level): Likewise.
3754 (push_init_level): Likewise. If implicit and the subobject had some
3755 value set already, preinitialize the level with it.
3756 Warn about missing braces only if not pushing due to designators.
3757 (set_designator, push_range_stack): New functions.
3758 (set_init_label): Use them.
3759 (set_init_index): Likewise. Remove constructor_range_end.
3760 Error if designator index is outside of array bounds.
3761 (add_pending_init): Compare values of purpose index trees, not the
3762 trees themselves. Allow overwriting of already initialized element.
3763 Issue a warning if it had side-effects.
3764 (set_nonincremental_init, set_nonincremental_init_from_string): New
3766 (pending_init_member): Rename to...
3767 (find_init_member): ...this function. Call set_nonincremental_init
3768 if necessary. Compare values of purpose index trees, not the trees
3769 themselves. Return the actual value, not just non-zero if something
3771 (output_init_element): Remove checks for duplicates.
3772 If field has zero size, only check the initializer for correctness.
3773 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3774 if constructor_incremental is zero. Change error about initializers
3775 not computable at load time into pedwarn.
3776 (output_pending_init_elements): Compare bit positions, not
3777 FIELD_DECLs to take into account zero-sized fields.
3778 (process_init_element): Use constructor_range_stack to fill all
3779 ranges in the designator lists from current level up.
3780 * extend.texi: Update documentation for labeled elements.
3782 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3784 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3785 to function usage for arguments passed by reference. Optimize
3786 callee-copied arguments.
3787 * regmove.c (replace_in_call_usage): New function.
3788 (fixup_match_1): Call it.
3789 * cse.c (cse_insn): Canonicalize registers in function usage.
3790 * reload1.c (replace_pseudos_in_call_usage): New function.
3793 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3796 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3798 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3801 2001-01-12 DJ Delorie <dj@redhat.com>
3803 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3804 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3807 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3809 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3810 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3811 -std options alongside references to -ansi. Update some
3812 documentation for C99.
3813 * cpp.1: Regenerate.
3815 2001-01-12 Andreas Jaeger <aj@suse.de>
3817 * haifa-sched.c (restore_line_notes): Remove argument block B
3819 * sched-ebb.c (schedule_ebb): Change caller.
3820 * sched-rgn.c (schedule_region): Likewise.
3821 * sched-int.h (restore_line_notes): Adjust prototype.
3823 * loop.h: Remove wrong declaration of doloop_condition_get.
3825 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3827 * extend.texi: Move C++-extension-related node from the C section
3828 into the C++ section.
3830 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3832 * extend.texi: Refer to an array of pointers to functions instead
3833 of one of functions.
3835 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3836 Jan Hubicka <jh@suse.cz>
3838 * combine.c (reversed_comparison): Fix typo in last patch.
3840 (combine_reversed_comparison_code): Make static to follow
3841 prototype declaration.
3843 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3845 * install.texi: Remove misplaced duplicate entry.
3847 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3849 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3851 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3853 * final.c: (leaf_function_p): Fix typo.
3855 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3857 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3858 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3860 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3861 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3862 mmap_anon, and valloc is available.
3863 * ggc-page.c: Restructure ifdef logic to match new autoconf
3864 spec. Don't throw away the test page in init_ggc.
3866 * configure, config.in: Regenerate.
3868 2001-01-12 Michael Hayes <mhayes@redhat.com>
3870 * loop.h (total_biv_increment): Constify iv_class pointer.
3871 (struct induction): Replace `mem_mode' with `mem' rtx.
3872 * unroll.c (total_biv_increment): Constify iv_class pointer.
3873 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3874 (find_mem_givs, combine_givs_p): Likewise.
3875 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3877 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3879 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3881 (__gthread_getspecific): Ditto.
3883 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3885 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3886 put_condition_code): Convert fp comparison codes to integer
3888 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3891 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3892 * i386-protos.h (no_comparison_operator): Kill.
3894 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3896 * combine.c (REVERSIBLE_CC_MODE): Remove.
3897 (reversible_comparison_p): Remove.
3898 (combine_reversed_comparison_code): New.
3899 (reversed_comparison): New.
3900 (combine_simplify_rtx): Use
3901 combine_reversed_comparison_code/reversed_comparison instead
3902 of reversible_comparison_p.
3903 (simplify_if_then_else): Likewise.
3904 (simplify_set): Likewise.
3905 (simplify_logical): Likewise.
3906 (if_then_else_cond): Likewise.
3907 (known_cond): Likewise.
3908 (simplify_comparison): Likewise.
3910 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3912 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3913 sizeof (int) is larger than sizeof(__word__).
3915 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3917 * cppinit.c (do_includes): Fix typo.
3919 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3921 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3922 in S_REGS does not occur because not all sources are possible
3923 when a S_REGS is a destination (sometimes needs a clobber).
3924 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3925 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3926 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3927 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3928 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3929 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3930 (lshrdi_const1, lshrsi3_const16): Likewise.
3931 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3932 (*movhi_68hc12, *movqi_68hc12): Likewise.
3933 (movstrictqi): Make sure reloading in D_REGS as a destination
3936 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3938 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3940 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3942 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3943 -D, -U and -A, and don't initialize the builtins.
3944 (do_includes): Error if -include or -imacros with -fpreprocessed.
3945 * cppmain.c (cb_define, cb_undef): Unconditionally process
3947 * tradcpp.c (main): Fix typo.
3949 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3951 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3952 (read_name_map): Use IS_ABSOLUTE_PATH.
3953 * tradcpp.c (get_filename): Likewise.
3955 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3957 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3958 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3959 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3960 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3961 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3962 (cmphi_z_used): Don't use '@' for the output.
3963 (tstqi_z_used): Likewise.
3964 (cmpqi_z_used): Likewise.
3965 (one_cmplsi2): Likewise.
3967 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3969 * config/sh/sh.c (barrier_align): Recognize branch around far
3970 branch and redundant insn.
3972 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3974 * invoke.texi: Restore documentation of the drivers' switches -MD
3977 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3979 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3981 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3982 check-objc//%): Support parallel testing of multilibs.
3983 (TESTSUITEDIR): Set to testsuite by default, but override for
3985 (check-gcc, check-g++, check-g77, check-objc): Enter
3988 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3990 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3991 * sched-deps.c (deps_may_trap_p): Likewise.
3992 * basic-block.h: Remove a comment.
3993 * flow.c (PROP_POSTRELOAD): Remove.
3994 (update_life_info): Don't add it to prop_flags.
3995 (mark_set_1): Lose the code that was enabled by it.
3997 2001-01-11 Michael Hayes <mhayes@redhat.com>
3999 * flow.c (flow_call_edges_add): New.
4000 * basic_block.h (flow_call_edges_add): New.
4002 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4004 * reload1.c (move2add_note_store): Update reg_set_luid even if
4005 base reg remains the same.
4007 2001-01-10 Nick Clifton <nickc@redhat.com>
4009 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4010 machine_function structure to zero.
4011 Add prototypes for machine_status functions.
4013 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4015 * c-common.h (CTI_VOID_LIST): Remove.
4016 (void_list_node): Likewise.
4017 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4018 (void_list_node): New macro.
4019 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4020 * config/i386/i386.c (ix86_init_builtins): Likewise.
4021 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4023 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4025 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4026 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4028 * tradcpp.c: Include mkdeps.h.
4029 (deps, print_deps_phony_targets, deps_append, output_deps,
4030 init_dependency_output, output_deps): New.
4031 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4032 deps_output): Delete.
4033 (print_deps_missing_files): Rename deps_missing_files.
4034 (inhibit_output): Make global.
4035 (main): Delete inhibit_output, deps_stream, deps_target.
4036 Use mkdeps functionality in the same way as cpplib. Remove
4037 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4038 -M and -MM. Remove old handling of deps via deps_out, and
4039 old reading of environment variables.
4040 (get_filename): Update to use deps_add_dep.
4042 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4044 * output.h (make_function_rtl): Remove prototype.
4045 (make_decl_rtl): Likewise.
4046 * varasm.c (make_function_rtl): Remove.
4047 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4048 than from a third parameter.
4049 * tree.h (make_decl_rtl): Remove last parameter.
4050 * c-decl.c (builtin_function): Remove last argument in call to
4051 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4052 (start_function): Likewise.
4053 * except.c (call_get_eh_context): Likewise.
4054 * expr.c (emit_block_move): Likewise.
4055 (clear_storage): Likewise.
4056 * profile.c (output_func_start_profiler): Likewise.
4057 * toplev.c (rest_of_decl_compilation): Likewise.
4058 * objc/objc-act.c (create_builtin_decl): Likewise.
4059 (synth_module_prologue): Likewise.
4060 (generate_static_reference): Likewise.
4061 (build_selector_reference_decl): Likewise.
4062 (build_class_reference_decl): Likewise.
4063 (build_objc_string_decl): Likewise.
4064 (build_protocol_reference): Likewise.
4066 2001-01-10 Richard Henderson <rth@redhat.com>
4068 * hwint.h: Revert yesterday's change.
4070 2001-01-10 Nick Clifton <nickc@redhat.com>
4072 * function.h (save_machine_status): Delete.
4073 (restore_machine_status): Delete.
4074 Amend comment describing {init|mark|free}_machine_status.
4076 * function.c (save_machine_status): Delete.
4077 (restore_machine_status): Delete.
4078 Amend comment describing {init|mark|free}_machine_status.
4079 (push_function_context_to): Remove invocation of
4080 save_machine_status.
4081 (pop_function_context_from): Remove invocation of
4082 restore_machine_status.
4084 * emit-rtl.c (init_emit_once): Amend comment describing
4085 {init|mark|free}_machine_status.
4087 * tm.texi (Per-Function Data): New node. Describe the
4088 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4091 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4093 * cppinit.c (OPT_g): Remove.
4094 (cpp_handle_option): Update for removed -g3.
4095 (print_help): Update.
4096 * cpplib.h (struct cpp_options): Remove debug_output.
4097 * cppmain.c (setup_callbacks, cb_define): Update.
4098 * gcc.c (cpp_options): Translate -g3 to -dD.
4100 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4102 * config/i960/i960.md: Change modifier to + on the zero_extract
4103 pattern after the (rotate -2 reg) canonicalization pattern.
4105 2001-01-10 Richard Henderson <rth@redhat.com>
4107 * config/alpha/alpha.c (alpha_free_machine_status): New.
4108 (override_options): Install it.
4109 (alpha_mark_machine_status): Verify machine non-null.
4110 * config/i386/i386.c (ix86_free_machine_status): New.
4111 (override_options): Install it.
4112 (ix86_init_machine_status): Use xcalloc.
4113 (ix86_mark_machine_status): Verify machine non-null.
4114 * config/ia64/ia64.c (ia64_free_machine_status): New.
4115 (ia64_override_options): Install it.
4116 (ia64_mark_machine_status): Verify machine non-null.
4118 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4120 * function.c (instantiate_virtual_regs): Instantiate virtual
4121 registers found in CALL_INSN_FUNCTION_USAGE.
4123 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4125 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4126 equivalent to -ansi in disabling -Di386.
4128 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4130 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4132 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4134 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4136 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4138 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4140 * invoke.texi: Document that -fcond-mismatch isn't supported for
4143 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4145 * gcc.texi: Define macro gcctabopt.
4146 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4147 @command, @env and @option in some places where appropriate. Use
4148 @gcctabopt where appropriate. Put URLs and email addresses inside
4151 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4153 * gcc.c (cpp_options): Set MD file name from output
4154 filename, if specified.
4155 (suffix_subst): New static variable.
4156 (do_spec): Clear it.
4157 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4159 (give_switch): Handle suffix_subst.
4161 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4163 * invoke.texi: Fix another typo.
4165 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4167 * invoke.texi: Fix typo.
4169 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4171 * c-lang.c (lang_hooks): Update.
4172 (lang_decode_option): Remove.
4173 (lang_init_options): Rename c_init_options.
4174 * toplev.c (main): Use lang_hooks for lang_init_options
4175 and lang_decode_option.
4176 * toplev.h (lang_hooks): Add 2 new hooks.
4177 * tree.h: Remove lang_init_options and lang_decode_option.
4178 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4179 * cp/decl2.c: Similarly.
4180 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4181 (lang_hooks): Update.
4182 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4184 (lang_init_options): Rename ffe_init_options.
4185 (lang_hooks): Update.
4186 (lang_decode_option): Remove.
4187 * java/lang.c (lang_init_options): Rename java_init_options.
4188 (lang_decode_option): Rename java_decode_option.
4189 (lang_hooks): Update.
4190 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4191 (lang_decode_option): Rename objc_decode_option.
4192 (lang_hooks): Update.
4194 2001-01-09 Nick Clifton <nickc@redhat.com>
4196 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4197 (d30v_return_addr_rtx): Delete.
4198 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4199 cfun->machine structure.
4200 (struct machine_function): Move to d30v.h
4201 (d30v_save_machine_status): Delete.
4202 (d30v_restore_machine_status): Delete.
4203 (d30v_init_machine_status): New Function.
4204 (d30v_mark_machine_status): New Function.
4205 (d30v_free_machine_status): New Function.
4206 (d30v_init_expanders): Use new functions.
4207 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4208 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4209 d30v_return_addr_rtx.
4211 * config/d30v/d30v.h (struct_machine): Move here.
4212 Add eh_epilogue_sp_ofs field.
4214 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4215 field in cfun->machine structure.
4217 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4219 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4220 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4221 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4223 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4225 * objc/lang-options.h: Remove bogus reference to
4228 2001-01-09 Kazu Hirata <kazu@hxi.com>
4230 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4233 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4235 * reload.c (find_reloads_address): Check for eliminable registers
4236 when substituting a constant expression for a pseudo.
4238 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4240 * c-common.c (enum format_type): Add format_type_error.
4241 (decode_format_type): New function.
4242 (decl_attributes): Use it.
4243 (format_kind_info): Adjust comment.
4245 2001-01-09 David O'Brien <obrien@BSDi.com>
4247 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4248 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4250 * config/i386/gnu.h: Don't include required platform specific .h files,
4251 tm.h will do it instead.
4252 * config/i386/i386elf.h: Likewise.
4253 * config/i386/linux.h: Likewise.
4254 * config/i386/moss.h: Likewise.
4255 * config/mips/gnu.h: Likewise.
4257 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4259 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4260 (rs6000-ibm-aix3.[01]*): Likewise.
4261 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4262 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4263 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4264 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4265 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4266 (powerpc-*-eabiaix*): Likewise.
4267 (powerpc-*-eabisim*): Likewise.
4268 (powerpc-*-elf*): Likewise.
4269 (powerpc-*-eabi*): Likewise.
4270 (powerpc-*-rtems*): Likewise.
4271 (powerpc-*-linux*libc1): Likewise.
4272 (powerpc-*-linux*): Likewise.
4273 (powerpc-wrs-vxworks*): Likewise.
4274 (powerpcle-wrs-vxworks*): Likewise.
4275 (powerpcle-*-sysv*): Likewise.
4276 (powerpcle-*-elf*): Likewise.
4277 (powerpcle-*-eabisim*): Likewise.
4278 (powerpcle-*-eabi*): Likewise.
4279 (powerpcle-*-solaris2*): Likewise.
4280 * config/rs6000/aix31.h: Delete includes.
4281 * config/rs6000/aix3newas.h: Likewise.
4282 * config/rs6000/aix41.h: Likewise.
4283 * config/rs6000/aix43.h: Likewise.
4284 * config/rs6000/beos.h: Likewise.
4285 * config/rs6000/rtems.h: Likewise.
4286 * config/rs6000/sysv4.h: Likewise.
4288 2001-01-09 Kazu Hirata <kazu@hxi.com>
4290 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4291 Change an argument mode of machine_mode to shift_mode of
4292 shift_mode. Remove an extra error check.
4293 (emit_a_shift): Adopt to the new calling prototype of
4295 (function_prologue): Fix code for a monitor
4296 function. Support H8/S.
4297 (function_epilogue): Do not output pop for a monitor function.
4299 2001-01-09 Nick Clifton <nickc@redhat.com>
4301 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4302 (setup_incoming_varargs): Use sysv_varargs_p field of the
4303 cfun->machine structure.
4304 (struct machine_function): Move to rs6000.h
4305 (rs6000_save_machine_status): Delete.
4306 (rs6000_restore_machine_status): Delete.
4307 (rs6000_init_machine_status): New Function.
4308 (rs6000_free_machine_status): New Function.
4309 (rs6000_init_expanders): Use new functions.
4311 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4313 (struct machine_function): Move here.
4315 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4316 sysv_varargs_p field of the cfun->machine structure.
4318 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4320 (rs6000_restore_machine_status): Remove prototype.
4322 2001-01-09 Richard Henderson <rth@redhat.com>
4324 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4325 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4326 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4327 (sched_analyze_2, sched_analyze_insn): Likewise.
4328 (sched_analyze, init_deps): Likewise.
4329 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4330 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4331 (compute_block_backward_dependences): Update propagate_deps call.
4333 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4335 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4337 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4339 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4340 (cpp_handle_option): Handle them.
4341 (cpp_post_options): Ensure one of -M or -MM is specified with
4342 any other -M? option.
4343 (init_dependency_output): Suppress output with -MG.
4345 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4348 * invoke.texi: Update.
4350 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4352 * sh.md (reload_outsf): Generate recognizable patterns for
4355 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4357 * c-lang.c (lang_hooks): Update.
4358 (lang_init): Rename c_init.
4359 (lang_finish): Remove.
4360 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4362 * toplev.h (lang_hooks): Add init () and finish ().
4363 * tree.h (lang_init, lang_finish): Remove.
4364 * cp/tree.h (lang_init, lang_finish): Remove.
4365 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4366 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4368 (lang_init, lang_finish): Remove.
4369 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4370 (lang_hooks): Update.
4371 * java/lang.c (lang_init): Rename java_init.
4372 (lang_finish): Remove.
4373 (lang_hooks): Update.
4374 * objc/objc-act.c (lang_init): Rename objc_init.
4375 (lang_finish): Remove.
4376 (lang_hoooks): Update.
4378 20001-01-09 Graham Stott <grahams@redhat.com>
4380 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4381 after `ptr` is initialised.
4383 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4385 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4386 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4387 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4388 stack adjusts, instead of r3.
4390 2001-01-09 Michael Hayes <mhayes@redhat.com>
4392 * flow.c (flow_loop_scan): Break out of ...
4393 (flow_loops_find) ... here.
4394 * basic-block.h (flow_loop_scan): New.
4395 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4396 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4398 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4400 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4402 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4403 realloc()ing macro_buffer.
4405 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4406 if it's wider than long and the target's long is wider than the
4409 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4411 Remove support for using UWIN as a host machine.
4412 * configure.in: Issue an error message.
4413 * configure: Regenerated.
4414 * config.gcc: Remove xm_* UWIN configury.
4415 * config/i386/xm-uwin.h: Remove.
4417 2001-01-08 Nick Clifton <nickc@redhat.com>
4419 * config/v850/v850.c (ra_rtx): Delete.
4420 (v850_save_machine_status): Delete.
4421 (v850_restore_machine_status): Delete.
4422 (v850_init_machine_status): New function.
4423 (v850_mark_machine_status): New function.
4424 (v850_free_machine_status): New function.
4425 (v850_return_addr): Use ra_rtx field in machine structure.
4426 (v850_init_expanders): Use new functions.
4428 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4429 * config/v850/v850.c: Change arguments to v850_output+* functions
4430 to take a const char *, to avoid compile time warning.
4431 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4432 (USER_LABEL_PREFIX): Redefine.
4434 2000-01-08 Jim Wilson <wilson@redhat.com>
4436 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4437 1 to unsigned HOST_WIDE_INT before left shift.
4439 2001-01-08 Nick Clifton <nickc@redhat.com>
4441 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4442 the machine structure has been allocated.
4443 (arm_free_machine_status): New function: Free the machine
4444 specific function structure.
4446 2001-01-08 Richard Henderson <rth@redhat.com>
4448 * jump.c (simplejump_p): Revert last change.
4450 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4452 * cppinit.c (init): Rename init_library.
4453 (cpp_create_reader): Update.
4454 * gcc.c (cpp_options): If -o given, use it as the target of
4457 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4459 * arm.c (arm_arch5e): New variable.
4460 (all_cores): XScale is a 5TE device.
4461 (arm_override_options): Set arm_arch5e.
4462 (arm_init_builtins): __builtin_prefetch is in arch5e.
4463 * arm.h (arm_arch5e): Declare it.
4465 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4467 * arm.md (define_constants): Add defines for UNSPEC and
4468 UNSPEC_VOLATILE insns. Update all users.
4469 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4470 * arm.c (multi_register_push, note_invalid_constants)
4471 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4472 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4473 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4475 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4477 * jump.c (jump_optimize_1): Use reversed_comparison_code
4478 instead of can_reverse_comparison_p.
4479 (jump_back_p): Likewise.
4480 (invert_exp_1): Likewise.
4481 (thread_jumps): Likewise.
4482 * simplify-rtx.c (simplify_unary_operation): Likewise.
4483 (simplify_ternary_operation): Likewise.
4484 * cse.c (find_comparison_args): Convert to use
4485 can_reverse_comparison_p.
4486 (record_jump_equiv): Likewise.
4488 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4490 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4491 (EPILOGUE_USES): Define.
4492 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4493 automatically stack the LR if it isn't live.
4495 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4497 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4500 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4502 * ggc-page.c (max_alignment): New structure.
4503 (MAX_ALIGNMENT): New macro.
4504 (init_ggc): Use it to round up the sizes in the
4505 extra_order_size_table.
4507 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4509 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4512 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4514 * builtins.def (BUILT_IN_FPRINTF): New entry.
4516 * c-common.c (c_expand_builtin_fprintf): New function.
4517 (init_function_format_info): Handle __builtin_fprintf.
4518 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4519 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4521 * c-decl.c (duplicate_decls): Adjust comment.
4523 * extend.texi (fprintf): Document new builtin.
4525 2001-01-07 Richard Henderson <rth@redhat.com>
4527 * jump.c (simplejump_p): Recognize any single_set jump
4530 2001-01-07 Richard Henderson <rth@redhat.com>
4532 * configure.in (slibdir): Accept an --with-slibdir option.
4533 Use "test" not "[" in configure. Default to $(libdir).
4535 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4537 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4538 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4539 (SHLIB_LINK): Create links for the soname.
4540 * config/mips/t-iris6: Likewise.
4541 * config/sparc/t-slibgcc: Likewise.
4542 * config/sparc/t-slibgcc-sld: Likewise.
4544 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4546 * config/i386/i386.c (constant_call_address_operand): Accept
4547 (const (plus (symbol_ref) (const_int))).
4548 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4549 constant_call_address_operand.
4551 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4553 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4554 and LONG_LONG_TYPE_SIZE > 32.
4556 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4558 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4559 the previous change.
4561 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4563 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4565 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4566 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4567 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4570 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4572 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4574 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4576 * c-lang.c (c_post_options): Call cpp_post_options.
4577 * objc/objc-act.c (objc_post_options): Similarly.
4578 * cppmain.c (main): Similarly.
4579 * fix-header.c (read_scan_file): Similarly.
4580 * cppinit.c (cpp_start_read): Move option consistency checks
4581 to cpp_post_options. Don't call init_dependency_output.
4582 If needed, add default target and main file dependency.
4583 (OPT_MD, OPT_MMD): Remove.
4585 (cpp_handle_option): Update for OPT_* changes.
4586 (cpp_post_options): New.
4587 (init_dependency_output): Command line -MF overrides environment
4588 variables. Don't set default target etc. Suppress output
4589 if dependencies are going to stdout.
4590 (print_help): Update.
4591 * cpplib.h (cpp_post_options): New.
4592 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4594 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4596 * jump.c (comparison_dominates_p): Support unordered compares.
4598 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4600 * simplify-rtx.c (simplify_relational_operation): Always simplify
4601 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4604 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4606 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4607 (nonzero_bits): Likewise.
4608 (simplify_comparison): Likewise.
4609 (num_sign_bit_copies): Likewise; return more sane value depending
4610 on STORE_FLAG_VALUE.
4611 (known_cond): Do not assume EQ to be always true for equivalent
4614 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4616 * cse.c (fold_rtx): Handle unordered comparisons.
4618 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4620 * rtlanal.c (set_of_1): New static function.
4621 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4622 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4623 reg_set_last_last_regno): Remove.
4624 (set_of): New global function.
4625 (set_of_data): New structure.
4626 (reg_set_p, reg_set_last): Revamp for set_of.
4627 * rtl.h (set_of): New.
4629 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4631 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4632 * extend.texi: Document _Exit builtin.
4634 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4636 * (initialize, initialize_builtins,
4637 initialize_dependency_output, initialize_standard_includes):
4638 Rename s/initialize/init. Update.
4639 (init_dependency_output): Move to after
4640 cpp_handle_options, the correct location temporally at least.
4641 (opt_comp): Move next to init (), its caller. Fix prototype.
4642 (init): Make "initialized" local scope.
4643 (cpp_create_reader): Always call init ().
4644 (cpp_start_read): Update.
4645 (output_deps): New function, broken out of cpp_finish.
4646 (cpp_finish): Break out output_deps.
4648 2001-01-07 Richard Henderson <rth@redhat.com>
4650 * collect2.c (COFF specific stuff): Revert 12-06 patch
4651 to prototype system functions.
4653 2001-01-07 Michael Hayes <mhayes@redhat.com>
4655 * hard-reg-set.h: Add multiple include guard.
4656 * basic-block.h (struct loop): Add `sink' field.
4657 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4658 (emit_iv_add_mult): Delete.
4659 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4660 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4661 (unroll_loop): Remove end_insert_before argument.
4662 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4663 (maybe_eliminate_biv_1): Likewise.
4664 (emit_iv_add_mult): Delete.
4665 (gen_add_mult, loop_regs_update): New.
4666 (loop_insn_emit_after, loop_insn_emit_before): New.
4667 (loop_insn_sink, loop_insn_sink_or_swim): New.
4668 (emit_iv_add_mult): Delete.
4669 (scan_loop): Set loop->sink.
4670 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4671 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4672 (maybe_eliminate_biv_1): Likewise.
4673 (maybe_eliminate_biv_1): Add basic block argument.
4674 * unroll.c (unroll_loop): Remove end_insert_before argument.
4675 (find_splittable_regs): Likewise.
4676 (find_splittable_regs): Use loop_insn_sink and its ilk.
4677 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4679 2001-01-07 Michael Hayes <mhayes@redhat.com>
4681 * loop.h (loop_insn_hoist): New prototype.
4682 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4683 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4684 (check_dbra_loop, load_mems): Likewise.
4685 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4686 (find_splittable_givs): Likewise.
4688 2001-01-07 Michael Hayes <mhayes@redhat.com>
4690 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4692 2001-01-07 Richard Henderson <rth@redhat.com>
4694 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4696 2001-01-07 Richard Henderson <rth@redhat.com>
4698 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4699 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4700 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4701 variant that handles a shared libgcc.
4702 (process_command): Always validate -{static,shared}-libgcc.
4703 (do_spec_1): New 'M' case.
4704 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4706 2001-01-07 Richard Henderson <rth@redhat.com>
4708 * Makefile.in (slibdir): New variable.
4709 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4710 (installdirs): Create slibdir.
4711 (install-libgcc, install-multilib): Defer to libgcc.mk.
4712 * configure.in (slibdir): Substitute.
4713 * mklibgcc.in (install): New target.
4715 * config/t-linux (SHLIB_LINK): Create links for the soname.
4716 (SHLIB_INSTALL): New.
4717 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4718 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4719 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4720 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4721 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4723 2001-01-07 Richard Henderson <rth@redhat.com>
4725 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4726 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4727 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4729 2001-01-07 Michael Hayes <mhayes@redhat.com>
4731 * loop.c (count_loop_regs_set): Delete.
4732 (load_mems_and_recount_loop_regs_set): Delete.
4733 (loop_regs_scan): Merge common code from count_loop_regs_set,
4734 scan_loop, and load_mems_and_recount_loop_regs_set.
4735 (scan_loop): Call load_mems directly and loop_regs_scan
4736 again if new registers created.
4738 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4740 * toplev.c (main): Call the front-end specific post_options
4741 hook if one is given.
4742 * toplev.h (struct_lang_hooks, lang_hooks): New.
4743 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4744 for the C front end.
4745 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4746 lang_hooks for the C++ front end.
4747 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4748 lang_hooks for the ObjC front end.
4749 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4750 * java/lang.c (lang_hooks): Hooks for the Java front end.
4752 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4754 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4755 for verbose DWARF[2] debugging.
4756 (cb_define, cb_undef): The new callbacks.
4757 * toplev.h (debug_define, debug_undef): Make const correct.
4758 * toplev.c (debug_define, debug_undef): Similarly. Do not
4759 perform the verbosity tests here anymore.
4761 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4763 * reload.c (subst_reloads): Take INSN argument. When
4764 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4765 * reload.h (subst_reloads): Adjust prototype.
4766 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4767 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4768 present in JUMP_INSNs and copy them to JUMP_LABEL.
4769 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4770 JUMP_INSNs and insns with REG_LABELs that are followed by
4771 JUMP_INSNs with the same REG_LABEL.
4772 * sched-rgn.c (is_cfg_nonregular): Likewise.
4773 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4775 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4777 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4779 2001-01-06 Richard Henderson <rth@redhat.com>
4781 * loop.c (scan_loop): Use xcalloc for the regs array.
4782 (load_mems_and_recount_loop_regs_set): Zero the new memory
4783 received from xrealloc.
4785 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4787 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4789 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4791 * integrate.c (copy_rtx_and_substitute): When copying
4792 an ignored return value, strip REG_FUNCTION_VALUE_P.
4794 2001-01-06 Michael Hayes <mhayes@redhat.com>
4796 * loop.c (debug_biv, debug_giv): New.
4797 (loop_biv_dump): Break out from ...
4798 (record_biv): ... here.
4799 (loop_giv_dump): Break out from ...
4800 (record_giv): ... here.
4801 (loop_bivs_check): Use print_simple_rtl.
4802 * unroll.c (loop_iterations): Use print_simple_rtl.
4804 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4806 * pa.md (return, return_internal): Modify patterns to prevent regrename
4807 mucking with the return pointer.
4809 2001-01-05 Richard Henderson <rth@redhat.com>
4811 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4813 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4815 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4816 version supplied by Matteo Frigo.
4818 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4820 * cpp.texi: Update for -MQ.
4821 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4822 (cpp_cleanup): Always free pfile->deps.
4823 (initialize_dependency_output): Don't create pfile->deps.
4824 (cpp_handle_option): Similarly.
4826 * gcc.c (cpp_options): Handle -MQ.
4827 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4828 * mkdeps.c (base_name): Remove.
4829 (deps_init): Don't allocate vector space until it's needed.
4830 (deps_free): Only free vectors if allocated.
4831 (deps_add_target, deps_add_dep): Update for initial allocation.
4832 (deps_add_default_target): Don't strip to the base_name.
4834 2001-01-05 DJ Delorie <dj@redhat.com>
4836 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4837 (INIT_EXPANDERS): Define.
4839 * config/v850/v850.c (struct machine_function): Define.
4840 (v850_save_machine_status): New function.
4841 (v850_restore_machine_status): New function.
4842 (v850_return_addr): New function.
4843 (v850_init_expanders): New function.
4845 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4846 and v850_init_expanders.
4848 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4850 * cpplib.h (struct cpp_reader): Add help_only field.
4851 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4852 (cpp_handle_option): Set pfile->help_only if we see -h,
4853 --help, -target-help, or --version. Print version string but
4854 do not set help_only if we see -v or -version. Make text
4855 printed by -v match that printed by (-)-version.
4857 * cppmain.c (main): Exit after option parsing if
4858 pfile->help_only is true.
4860 * toplev.c (independent_decode_option): Call print_version,
4861 then exit, if we see --version (but not -version).
4862 (print_version): Split lengthy message into two lines.
4864 2001-01-05 Nick Clifton <nickc@redhat.com>
4866 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4867 temporary string for initialisation before calling ggc_alloc_string.
4869 2001-01-06 Michael Hayes <mhayes@redhat.com>
4871 * rtl.h (print_simple_rtl): New.
4872 * print-rtl.c (print_simple_rtl): New.
4874 (print_rtx): Disable printing of flags and modes, etc.,
4875 if `flag_simple` nonzero.
4877 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4879 * function.c (fixup_var_refs): Use push_to_full_sequence where
4882 2001-01-05 Michael Meissner <meissner@redhat.com>
4884 * flags.h (flag_reorder_blocks): Add declaration.
4885 (flag_rename_block): Ditto.
4887 2001-01-05 DJ Delorie <dj@redhat.com>
4889 * function.c (reorder_blocks): Make sure the flags are all reset
4890 before using them to mark blocks, else a second invocation will
4891 corrupt the block chain.
4892 (reorder_blocks_0): New, resets the flags.
4894 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4896 * cse.c (find_comparison_args): Stop if the argument is known to
4899 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4901 * config/sh/sh.md (movdf): When splitting load into pair of
4902 registers, don't clobber the register used in the address too
4905 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4907 * varasm.c (mark_constant_pool): Improve initial comments.
4908 (mark_constants): Move marking of constants to mark_constant.
4909 (mark_constant): New function to recursively mark all constants
4910 referred to by a constant.
4912 2001-01-05 Catherine Moore <clm@redhat.com>
4914 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4916 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4918 * cp/lang-options.h: Bring comment in line with reality.
4919 * f/lang-options.h: Likewise.
4920 * java/lang-options.h: Likewise.
4921 * objc/lang-options.h: Likewise.
4922 * ch/lang-options.h: Likewise.
4923 * f/g77.texi: And update the manual.
4925 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4926 Denis Chertykov <denisc@overta.ru>
4928 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4929 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4930 * config/avr/avr.md (all peepholes that request a scratch register):
4931 Call it, FAIL the peephole if not safe (in interrupt functions).
4933 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4935 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4937 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4939 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4941 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4942 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4943 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4944 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4945 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4947 * extend.texi: Document these builtins.
4949 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4951 * c-common.c (lang_get_alias_set): Say we know nothing of
4952 VECTOR_TYPE aliasing.
4954 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4956 2001-01-05 Bruce Korb <bkorb@gnu.org>
4958 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4959 their x* equivalent versions for atexit-less systems
4960 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4961 systems (or any other system any more).
4963 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4965 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4966 output operands. Use arm_hard_register_operand for operand 4.
4967 (stmsi_postinc): Similarly.
4968 (ldmsi): Use arm_hard_register_operand for opernand 2.
4970 * arm.c (arm_hard_register_operand): New function.
4971 * arm-protos.h (arm_hard_register_operand): Prototype it.
4973 * arm.h (HARD_REGNO_RENAME_OK): Define.
4975 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4977 * simplify-rtx.c (cfc_args): add "unordered" field.
4978 (check_fold_consts): Set unordered field.
4979 (simplify_relational_operation): Simplify the unordered
4982 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4985 * emit-rtl.c (try_split): Fix code to mark labels.
4986 * jump.c (mark_jump_label): Make global.
4987 * rtl.h (mark_jump_label): Declare.
4989 * predict.c (estimate_probability): Handle unordred comparisons.
4991 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4993 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4994 * cppinit.c (initialize_dependency_output): Update.
4995 (cpp_finish): Output dummy targets for -MP.
4997 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4998 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4999 * gcc.c (cpp_options): Update to handle -MP.
5000 * mkdeps.c (deps_add_target, deps_add_default_target): Update
5001 to quote only the default target.
5002 (deps_phony_targets): Insert a preceding newline. Rename from
5003 deps_dummy_targets for consistency.
5006 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5008 * calls.c (emit_library_call_value_1): Support
5009 INIT_CUMULATIVE_LIBCALL_ARGS.
5010 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5012 2001-01-04 Richard Henderson <rth@redhat.com>
5014 * c-decl.c (finish_struct): Detect flexible array members
5015 used in an inappropriate context.
5016 * c-typeck.c (really_start_incremental_init): Special case
5017 constructor_max_index for zero length arrays.
5018 (pop_init_level): Allow initialization of flexible array
5019 members. Deprecate initialization of zero length arrays.
5020 Don't issue missing initializer warning for flexible array
5021 members or zero length arrays.
5022 (process_init_element): Don't dereference null DECL_SIZE.
5023 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5024 Don't abort for empty constructors. Use size_binop
5025 (output_constructor): Add commentary regarding zero length
5026 array futures. Abort if we try to initialize an array of
5027 unspecified length with a non-empty constructor in the middle
5030 * extend.texi (Zero Length): Update and clarify documentation
5031 on static initialization.
5033 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5035 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5036 with more than 32767 words of local storage.
5038 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5040 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5041 for 'abs', 'labs', and 'fabs'.
5042 (c4x_expand_builtin): Likewise.
5043 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5045 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5047 * config/sh/sh.md (prget, prset): New insn types.
5048 (return delay slot): Dont' allow prset.
5049 (call, sfunc delay slot): Don't allow prget.
5050 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5051 for prset and prget.
5053 2001-01-05 Michael Hayes <mhayes@redhat.com>
5055 * loop.h (struct loop_reg): New.
5056 (struct loop_regs): Change to use array of `struct loop_reg'.
5057 * loop.c: Replace assortment of varrays with single regs array.
5058 (count_one_set): Delete may_not_move array argument
5059 and use regs array instead. All caller's changed.
5060 (count_loop_regs_set): Delete may_not_move and single_usage
5061 arguments and use regs array instead. All caller's changed.
5062 (find_single_use_in_loop): Replace usage array argument with pointer
5063 to regs structure. All caller's changed.
5064 (loop_optimize): Delete `moved_once' array.
5066 2001-01-05 Michael Hayes <mhayes@redhat.com>
5068 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5069 Use it instead of loop_info->has_call for scanning loop mems.
5070 (check_dbra_loop): Replace loop_info->has_call test with
5071 loop_info->has_nonconst_call.
5073 2000-01-04 Matthew Hiller <hiller@redhat.com>
5075 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5078 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5080 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5081 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5083 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5085 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5086 (flag_short_double, flag_short_wchar): Define.
5087 (c_common_nodes_and_builtins): Create many tree nodes shared
5088 between C and C++ here instead of in cp/decl.c and ...
5089 * c-decl.c (init_decl_processing): ... here.
5090 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5091 (flag_short_double, flag_short_wchar): Don't define.
5092 (record_builtin_type): New function.
5093 (build_void_list_node): New function.
5094 * c-common.h (flag_short_double, flag_short_wchar,
5095 record_builtin_type, build_void_list_node): Declare.
5097 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5099 * integrate.c (expand_inline_function): Don't put a virtual
5100 register into the reg map.
5102 * function.c (fixup_var_refs_1): If force_operand didn't put
5103 the address into the target, move it there.
5105 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5107 Special-case tree_decl/tree_list allocations.
5108 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5109 (OBJECT_SIZE): New macro.
5110 (NUM_EXTRA_ORDER): Likewise.
5111 (extra_order_size_table): New variable.
5112 (NUM_ORDERS): New macro.
5113 (objects_per_page_table): New variable.
5114 (object_size_table): New variable.
5115 (G.pages): Use NUM_ORDERS to bound the array.
5116 (G.page_tails): Likewise.
5117 (DIV_ROUND_UP): Remove.
5118 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5119 (alloc_page): Use OBJECT_SIZE.
5120 (size_lookup): Don't make it const.
5121 (ggc_alloc): Use OBJECT_SIZE.
5122 (ggc_set_mark): Likewise.
5123 (ggc_get_size): Likewise.
5124 (init_ggc): Set up the object_size_table, objects_per_page_table,
5125 and adjust size_lookup.
5126 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5127 (ggc_pop_context): Use NUM_ORDERS.
5128 (clear_marks): Likewise.
5129 (sweep_pages): Likewise.
5130 (poison_pages): Likewise.
5131 (ggc_print_statistics): Use OBJECT_SIZE.
5133 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5135 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5136 Only call array_size_for_constructor if last field and array type
5137 with no upper bound.
5139 2001-01-04 Philip Blundell <philb@gnu.org>
5141 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5142 from bit 31 downwards, if this requires no more insns.
5143 (count_insns_for_constant): New helper function for above.
5145 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5147 * gencodes.c (output_predicate_decls): Remove empty initializer.
5149 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5151 * tree.c (copy_node): Remove documentation about obstacks.
5152 (buidl1): Check that nobody tries to build 2-argument nodes this
5155 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5157 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5160 * gencodes.c (output_predicate_decls): Fill empty initializer
5163 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5165 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5166 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5168 (do_include): Handle missing headers like cpp0.
5169 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5170 paths with first include pathname. Don't strcat to uninitialized
5173 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5175 * regrename.c (regrename_optimize): Don't rename from frame pointer
5176 if frame_pointer_needed.
5177 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5178 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5179 (ia64_reorg): Use it instead of scheduling if ! optimize.
5180 (errata_emit_nops): Properly call asm_noperands.
5181 (ia64_sched_reorder): Finish cycle if we see an asm.
5182 (ia64_variable_issue): Clear scheduling state after asms.
5184 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5186 * cpp.texi: Update for -MT.
5187 * cppinit.c (initialize_dependency_output): Add a default
5188 target if none has been given already.
5189 (no_tgt, OPT_MT): New.
5190 (cpp_handle_option): Handle -MT. Update -M etc.
5191 * cpplib.h (struct cpp_options): Remove deps_target.
5192 * gcc.c (cpp_options): Handle -MT.
5193 * mkdeps.c (struct deps): Move from mkdeps.h.
5194 (deps_calc_target): Rename deps_add_default_target. Add a
5195 default target if none has been specified already.
5196 * mkdeps.h (struct deps): Move to mkdeps.c.
5197 (deps_calc_target): Rename deps_add_default_target.
5199 2000-01-03 Richard Henderson <rth@redhat.com>
5201 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5203 * c-typeck.c (push_init_level): Move checks for flexible array
5204 members and zero length arrays ...
5205 (pop_init_level): ... here. Silently discard empty initializations.
5207 * varasm.c (output_constructor): Update for sizeof change to
5210 * extend.texi (Zero Length): Clarify semantics.
5212 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5214 * configure.in (tm.h): Include isns-codes.h last.
5215 * configure: Rebuilt.
5217 2001-01-03 Richard Henderson <rth@redhat.com>
5219 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5220 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5222 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5224 * tradcpp.c (main): Make sure finclude() is called with a valid
5225 indepth value while handling -include.
5227 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5229 * gencodes.c (output_predicate_decls): New function.
5231 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5232 even if it is not the first time machmode.h is #included.
5233 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5234 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5235 * gcc.texi (Copyright): Added 2001.
5237 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5239 * c-common.c (c_common_lang_init): New function. Warn if format
5240 warning options which only have effects when used with -Wformat
5241 are used without -Wformat.
5242 * c-common.h (c_common_lang_init): Declare.
5243 * c-lang.c (lang_init): Call c_common_lang_init.
5244 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5246 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5248 * configure.in: Check for the mktemp command.
5249 * configure: Regenerate.
5250 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5251 $TEMP. Create temporary files with mktemp, if available at
5252 configure time; otherwise use set -C. Remove temporary files
5255 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5257 * configure.in: Require at least texinfo 4.0. Check for whether
5258 Pod::Man is sufficiently recent to regenerate GCC manpages.
5259 * configure: Regenerate.
5260 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5262 (GENERATED_MANPAGES): Define.
5263 (generated-manpages): New target. Depend on cpp.1 as well as
5265 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5266 configure to generated-manpages or empty) rather than on the
5267 manpages directly. Remove execute permission from installed
5268 gcov.1 as well as cpp.1.
5269 * cpp.1, gcov.1: Regenerate.
5271 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5273 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5274 tree_low_cst. Allow using cmpstrsi in more cases.
5276 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5278 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5281 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5283 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5284 * Makefile.in (HOST_CFLAGS): Mention build-make.
5286 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5288 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5291 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5293 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5296 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5299 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5300 reg_base_value and reg_known_value arrays.
5301 (init_alias_analysis): Add more cases to detect known values.
5302 * sched-deps.c (deps_may_trap_p): New function.
5303 (sched_analyze_2): Use it.
5305 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5307 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5308 don't discard an ASHIFTRT if we're shifting in a wider mode.
5310 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5312 * toplev.c (rest_of_compilation): Don't print basic block information
5313 when CFG isn't up to date.
5315 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5317 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5318 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5319 (UNALIGNED_SHORT_ASM_OP): Define.
5320 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5322 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5324 * fold-const.c (fold_convert): Fix typo.
5326 2001-01-02 Richard Henderson <rth@redhat.com>
5328 * c-common.h (ASM_INPUT_P): New.
5329 * c-parse.in (asm): Set it when needed.
5330 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5331 existance of an operand.
5333 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5335 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5336 (dwarf2out_frame_debug_expr): Likewise.
5337 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5339 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5341 * i386.c (ix86_split_to_parts): Return number of part required;
5343 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5345 (ix86_split_long_move): Use number of part returned
5346 by ix86_split_to_parts
5347 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5349 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5350 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5351 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5352 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5353 (ALIGN_MODE_128): Add TFmode.
5354 (IS_STACK_MODE): Likewise.
5355 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5356 (HARD_REGNO_OK): Support TFmodes.
5357 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5358 * i386.md (scheduler definitions): Use memory operand to determine
5359 fst/fld instructions; use mode attribute to determine real mode of
5361 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5362 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5364 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5366 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5368 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5370 * expr.c (store_constructor_field): Update ALIGN before calling
5373 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5375 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5378 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5380 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5383 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5385 * c-decl.c (start_function): Don't warn on third parameter to main.
5387 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5389 * tsystem.h: Define HAVE_DECL_GETOPT.
5391 2001-01-02 Philip Blundell <pb@futuretv.com>
5393 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5396 2001-01-02 Richard Henderson <rth@redhat.com>
5398 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5400 2001-01-02 Andreas Jaeger <aj@suse.de>
5402 * c-decl.c (c_decode_option): Remove support of
5405 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5406 (W_options): Add -Wmissing-noreturn here.
5408 * flow.c: Define lang_missing_noreturn_ok_p.
5409 (check_function_return_warnings): Use it.
5411 * c-common.h: Declare lang_missing_noreturn_ok_p.
5413 * c-lang.c (c_missing_noreturn_ok_p): New function.
5414 (lang_init): Set lang_missing_noreturn_ok_p.
5416 * invoke.texi (Warning Options): Document this.
5418 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5420 * extend.texi (C++ Extensions): New node for C++ attributes;
5421 describe init_priority and com_interface.
5422 * invoke.texi: Remove -finit-priority as it now has zero effect.
5423 * install.texi: Fix xref syntax.
5424 * md.texi: Likewise.
5426 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5428 * config.gcc (sparc64-wrs-vxworks*): New case.
5429 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5431 * config/sparc/sparc.c (sparc_override_options): Do support different
5432 pointer and architecture size.
5433 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5434 (POINTERS_EXTEND_UNSIGNED): Define.
5435 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5436 (FUNCTION_MODE): Define to be Pmode.
5437 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5439 * function.c (expand_function_end): Properly handle DECL_RESULT
5440 and copy when ptr_mode != Pmode.
5441 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5443 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5445 * c-common.c (c_common_nodes_and_builtins): Set prototype
5446 parameters for __builtin_fputs, __builtin_fputc and
5447 __builtin_fwrite. Don't declare plain fputc as a builtin.
5449 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5451 * loop.c (add_label_notes): Increment the label usage count when
5452 a note is added to an insn which refers to a CODE_LABEL.
5453 * gcse.c (add_label_notes): Likewise.
5455 2001-01-01 Andreas Jaeger <aj@suse.de>
5457 * loop.c (scan_loop): Use xmalloc to allocate movables.
5459 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5461 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5462 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5463 * reload1.c (REGISTER_MOVE_COST): Likewise.
5464 * regclass.c (REGISTER_MOVE_COST): Likewise.
5465 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5466 dimension. Adjust all users.
5467 (init_reg_sets_1): Iterate on all modes.
5468 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5469 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5470 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5471 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5472 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5473 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5474 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5475 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5476 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5477 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5478 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5479 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5480 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5481 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5482 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5483 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5484 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5485 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5486 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5487 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5488 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5489 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5490 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5491 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5492 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5493 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5494 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5496 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5498 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5499 arg VARIES_P. Call it with extra arg.
5500 (true_dependence): Likewise.
5501 * rtl.h (rtx_addr_can_trap_p): Declare.
5502 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5504 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5505 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5506 pic offset table register if it's zero. All callers changed.
5507 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5509 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5511 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5512 STRING_POOL_ADDRESS_P.
5514 * config/sparc/sparc.c (input_operand): Properly test for short op.
5516 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5517 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5518 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5519 * config/sparc/elf.h: No longer include sol2.h.
5520 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5521 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5523 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5525 2001-01-01 Michael Hayes <mhayes@redhat.com>
5527 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5528 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5529 (record_initial): Likewise.
5530 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5531 (remap_split_bivs): Likewise.
5533 2001-01-01 Michael Hayes <mhayes@redhat.com>
5535 * loop.c (loop_ivs_free): New function.
5536 (strength_reduce): Break out from...
5538 2001-01-01 Michael Hayes <mhayes@redhat.com>
5540 * loop.h (struct iv): New.
5541 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5542 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5543 'reg_biv_class' fields with 'regs' and 'n_regs'.
5544 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5545 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5546 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5548 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5550 * resource.c (mark_referenced_resources): Abort() before
5551 attempting to mark a pseudo register.
5552 (mark_set_resources): Likewise.
5554 2001-01-01 Michael Hayes <mhayes@redhat.com>
5556 * loop.h (REG_IV_CLASS): New accessor macro.
5557 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5558 * unroll.c (REG_IV_CLASS): Likewise.
5560 See ChangeLog.4 for earlier changes.
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