1 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
3 * objc/objc-act.c (init_objc): Set save_lang_status,
4 restore_lang_status, and mark_lang_status.
6 2001-03-06 Krister Walfridsson <cato@df.lth.se>
8 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
10 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
12 * cppinternals.texi: Update.
14 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
16 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
17 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
18 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
19 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
20 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
21 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
22 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
23 config/i386/xm-i386.h, config/i860/xm-i860.h,
24 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
25 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
26 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
27 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
28 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
29 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
30 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
31 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
32 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
33 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
34 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
35 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
36 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
37 match the defaults provided in hwint.h.
39 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
40 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
42 * config.gcc (xm_file): Don't set to files which are deleted.
44 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
45 guard this file against these macros being undefined.
47 2001-03-06 Zack Weinberg <zackw@stanford.edu>
49 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
50 and DECL_DEFER_OUTPUT on the decl we create, before calling
51 rest_of_decl_compilation.
53 2001-03-06 Zack Weinberg <zackw@stanford.edu>
55 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
57 * configure, config.in: Regenerate.
58 * config.gcc: Remove references to deleted files.
60 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
61 genrecog.c, rtl.c: Do not use alloca anywhere.
63 * Makefile.in, build-make, system.h, config/x-interix,
64 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
65 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
66 config/arc/xm-arc.h, config/arm/xm-arm.h,
67 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
68 config/h8300/xm-h8300.h, config/i370/x-oe,
69 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
70 config/i386/x-ncr3000, config/i386/x-sco5,
71 config/i386/xm-dgux.h, config/i860/x-sysv4,
72 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
73 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
74 config/m68k/x-hp320g, config/m69k/x-mot3300,
75 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
76 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
77 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
78 config/m88k/x-sysv4, config/m88k/x-tekXD88,
79 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
80 config/mips/x-iris, config/mips/x-iris3,
81 config/mips/x-sni-svr4, config/mips/x-sysv,
82 config/mips/xm-iris6.h, config/mips/xm-mips.h,
83 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
84 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
85 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
86 config/pa/xm-papro.h, config/romp/xm-romp.h,
87 config/rs6000/x-aix31, config/rs6000/x-aix41,
88 config/rs6000/x-beos, config/rs6000/x-lynx,
89 config/rs6000/x-mach, config/rs6000/x-rs6000,
90 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
91 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
92 config/sparc/x-sysv4, config/sparc/xm-linux.h,
93 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
94 config/vax/xm-vms.h: Eradicate all references to alloca and
97 * config/xm-alloca.h, config/clipper/x-clix,
98 config/i386/xm-sysv4.h, config/i860/x-fx2800,
99 config/i860/x-sysv3, config/m88k/x-sysv3,
100 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
101 (contained only alloca related hacks).
103 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
106 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
108 * invoke.texi: Document __FAST_MATH__.
110 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
112 * crtstuff.c: Restore include of auto-host.h.
114 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
116 Put main() in a separate file, so that the language
117 front-end can use a different main().
120 * toplev.c: (main): Rename as toplev_main.
121 * toplev.h: Declare toplev_main.
122 * Makefile.in (OBJS): add toplev.o.
123 (BACKEND): remove toplev.o, add main.o.
125 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
127 * cppfiles.c (search_from): Special case the empty string.
129 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
131 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
132 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
133 strlen or strcpy; we already know the length.
134 (_cpp_compare_file_date): Similarly.
135 * cpphash.h (struct cpp_reader): Delete done_initialising.
136 (CPP_PREV_BUFFER): Delete.
137 * cppinit.c (cpp_start_read): Don't set done_initialising.
138 * cpplex.c (parse_string): Guarantee null-termination.
139 (_cpp_equiv_toklists): Remove.
140 * cpplib.c (glue_header_name): Null-terminate.
141 (do_line): Don't leak memory.
142 * cpplib.h (BT_WEAK): Delete.
143 * cppmain.c (cb_ident): Strings are now null-terminated.
145 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
147 * gcc.c (convert_filename): Append executable suffix
148 if NO_AUTO_EXE_SUFFIX is not defined.
149 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
150 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
152 2001-03-03 David O'Brien <obrien@FreeBSD.org>
154 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
155 * c-parse.gperf, c-gperf.h: Delete.
156 (c-gperf.h was accidently re-added to the CVS repo in the rev
157 1.16 commit by tromey)
159 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
161 * cpplex.c (_cpp_lex_token): Don't warn about directives in
162 macro arguments when looking for the '('.
163 * cppmacro.c (funlike_invocation_p): Set parsing_args to
164 2 when really parsing arguments; 1 when looking for '('.
165 Always restore the lexer position.
167 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
169 * longlong.h (umul_ppmm): Don't use a multiline string.
171 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
173 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
174 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
175 t_bool in declaration because pcc can't combine volatile with typedef
178 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
180 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
181 until when it is really needed.
182 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
183 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
184 * i386.md (float?i?f splitter): Don't force source operand to memory
186 (sse_movdfcc): Fix constraint.
187 (sse_movdfcc splitter): Handle properly the second alternative.
189 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
191 * cpplex.c (parse_string): Unconditionally pedwarn.
193 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
196 * cppexp.c (parse_number): Update.
197 * cpplex.c (parse_string): Pedwarn if multiline string does not
198 result from a system header's macro.
199 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
200 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
201 for function-like macros too.
202 * c-lex.c (lex_number): Update.
204 2001-03-03 Richard Henderson <rth@redhat.com>
206 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
208 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
210 * combine.c (try_combine): If split with mode-changed scratch
211 register didn't work, try the original mode.
213 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
215 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
216 * config/c4x/c4x.h: Likewise.
217 * stor-layout.c (compute_record_mode): Likewise.
218 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
220 2001-03-02 Zack Weinberg <zackw@stanford.edu>
222 * configure.in: Kill tm.h. Include the files in the $tm_file
223 list in all three of config.h, hconfig.h, tconfig.h, after the
224 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
225 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
226 * configure: Regenerate.
227 * Makefile.in (clean): Don't delete tm.h.
229 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
230 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
231 those are not defined, set SEC and FEC to 0 and 1.
232 * gcc.texi: Update to match.
234 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
235 * config/fp-bit.c, config/m68k/aux-crt2.asm,
236 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
237 Include tconfig.h, not tm.h.
239 * config/xm-lynx.h, config/xm-std32.h,
240 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
241 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
242 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
243 config/clipper/xm-clix.h, config/convex/xm-convex.h,
244 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
245 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
246 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
247 config/i386/xm-i386.h, config/i860/xm-i860.h,
248 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
249 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
250 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
251 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
252 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
253 config/pa/xm-linux.h, config/pa/xm-pa.h,
254 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
255 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
256 config/pj/xm-pj.h, config/romp/xm-romp.h,
257 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
258 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
259 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
260 config/v850/xm-v850.h, config/vax/xm-vax.h,
261 config/we32k/xm-we32k.h:
263 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
265 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
266 config/i370/xm-oe.h: Don't include tm.h. Don't define
268 * config/vax/xm-vms.h: Don't include tm.h.
270 * config/xm-lynx.h, config/avr/xm-avr.h,
271 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
272 Delete; made empty by above changes.
273 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
274 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
275 Don't include config/xm-lynx.h or tm.h.
277 * config/xm-gnu.h: Don't include fcntl.h.
278 * config/sparc/xm-lynx.h: Don't include sys/types.h and
280 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
282 2001-03-02 Richard Henderson <rth@redhat.com>
284 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
285 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
287 2001-03-02 Richard Henderson <rth@redhat.com>
289 * Makefile.in (OBJS): Add dwarf2asm.o.
290 * dwarf2asm.c, dwarf2asm.h: New files.
291 * dwarf2out.c (*): Use them.
292 (size_of_uleb128, size_of_sleb128): Remove.
293 (output_uleb128, output_sleb128): Remove.
294 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
295 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
296 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
297 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
298 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
299 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
300 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
301 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
302 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
303 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
304 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
305 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
306 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
307 (dwarf2out_frame_debug): Remove unused variables.
308 (output_loc_operands): Don't abort on 8 byte constants if
309 host integers are wide enough.
310 (output_symbolic_ref): Remove.
311 (size_of_die): Don't assume 4 byte host integers.
312 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
314 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
315 something stupid with HOST_WIDE_INT to long truncation.
316 [CONST_DOUBLE]: Likewise.
318 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
319 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
320 * config/arm/unknown-elf.h: Likewise.
321 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
322 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
323 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
324 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
325 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
326 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
327 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
328 (ASM_OUTPUT_DWARF_OFFSET): Remove.
329 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
330 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
331 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
332 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
334 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
336 * cselib.c (hash_rtx): Cast enums to unsigned int.
338 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
340 * print-rtl.c (print_rtx): Cast enums to int for comparison.
341 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
343 * c-format.c (C_STD_VER): Cast to int for comparisons.
344 (check_function_format): Cast various enums to int for &.
345 (maybe_read_dollar_number): Likewise.
346 (check_format_info): Likewise.
347 (check_format_info_main): Likewise.
348 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
349 (safe_from_p): Likewise.
350 * varasm.c (const_hash): Cast enum to int for %.
351 * emit-rtl.c (init_emit_once): Use int loop variable to work around
352 pcc enum problems with < and ++ operators.
353 * regclass.c (init_reg_sets_1): Cast enums for comparison.
354 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
355 (regclass_init): Change enum class to int to iterate over reg_classes.
356 * genrecog.c (merge_trees): Cast enums for comparison.
357 * rtl.h (GET_CODE): Cast to enum rtx_code.
358 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
359 (GET_MODE): Cast to enum machine_mode.
360 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
361 (GET_NOTE_INSN_NAME): Cast enum to int.
362 * tree.h (TREE_CODE): Cast to enum tree_code.
363 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
364 * timevar.c (timevar_print): Change loop variable id from enum to
366 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
367 * config/i386/i386.md: Use PUT_MODE for mode assignment.
368 * toplev.c (compile_file): Cast enum DFI to int.
369 (decode_d_option): Likewise.
371 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
373 * cppinit.c (append_include_chain): Mark "after" include file name list
374 as a system directory.
375 * cpp.texi: Document new behavior.
377 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
379 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
381 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
383 * cppfiles.c (struct include_file): Update.
384 (stack_include_file): Use search_from.
385 (cpp_included, find_include_file): Update.
386 (cpp_execute_include): Update. ptr->name may not be
387 null terminated. Use the new search_from member variable
389 (_cpp_compare_file_date): Similarly.
390 (search_from): New function, similiar to actual_directory.
391 (actual_directory): Delete.
392 (remap_filename): Update. loc->name may not be null terminated.
393 (struct file_name_list): Rename search_path. Update.
394 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
396 (struct cpp_reader): Remove actual_dirs.
397 * cppinit.c (struct cpp_pending): Update for renamed objects.
398 (append_include_chain, remove_dup_dir, remove_dup_dirs,
399 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
400 * cpplib.h (struct cpp_options): Similarly.
402 2001-03-01 Zack Weinberg <zackw@stanford.edu>
404 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
405 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
406 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
407 config/clipper/xm-clix.h, config/convex/xm-convex.h,
408 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
409 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
410 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
411 config/i370/xm-linux.h, config/i370/xm-mvs.h,
412 config/i370/xm-oe.h, config/i386/xm-aix.h,
413 config/i386/xm-i386.h, config/i386/xm-osf.h,
414 config/i860/xm-i860.h, config/i960/xm-i960.h,
415 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
416 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
417 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
418 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
419 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
420 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
421 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
422 config/pj/xm-pj.h, config/romp/xm-romp.h,
423 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
424 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
425 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
426 config/v850/xm-v850.h, config/vax/xm-vax.h,
427 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
428 Do not define TRUE or FALSE.
430 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
431 empty by above change.
432 * config.gcc: Remove references to these files.
434 * configure.in: Detect stdbool.h.
435 * configure, config.in: Regenerate.
436 * system.h: Include stddef.h here if available.
437 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
438 Then set up a sensible boolean type at the very end.
440 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
441 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
443 * hash.h: Delete 'boolean' typedef and related #undefs.
445 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
446 all uses of 'boolean' with 'bool'.
448 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
450 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
451 * cppexp.c (lex): Cast enums for comparison.
452 * cppinit.c (parse_option): Cast enum for comparison.
453 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
454 (cpp_output_token): Likewise.
455 (cpp_can_paste): Cast enums for comparsion and plus/minus.
456 (cpp_avoid_paste): Cast enums for minus and comparison.
458 2001-03-01 Zack Weinberg <zackw@stanford.edu>
460 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
461 field to all array elements.
463 2001-03-01 Zack Weinberg <zackw@stanford.edu>
465 * cpphash.h (struct cpp_reader): Add print_version field.
466 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
467 just set print_version and other flags as appropriate.
468 (cpp_post_options): Print version here if print_version is set.
470 * toplev.c (exit_after_options): New flag.
471 (independent_decode_option): Don't exit here; just set
473 (main): Exit after calling lang_hooks.post_options if
474 exit_after_options is true.
476 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
477 (merge_include_chains): Adjust comment to match code.
479 2001-03-01 Zack Weinberg <zackw@stanford.edu>
481 * stringpool.c (set_identifier): New function.
482 * tree.h: Prototype it.
484 * c-parse.in: Kill D_YES. If compiled for objc, call
485 save_and_forget_protocol_qualifiers from init_reswords.
486 * objc/objc-act.c (remember_protocol_qualifiers,
487 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
488 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
490 (save_and_forget_protocol_qualifiers): New function.
491 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
493 2001-03-01 Diego Novillo <dnovillo@redhat.com>
495 * c-semantics.c (prune_unused_decls): Return error_mark_node
496 instead of (tree) 1 to stop traversing the tree chain.
498 2001-03-01 Bernd Schmidt <bernds@redhat.com>
500 Fix a problem introduced by Kenner's Feb 18 change.
501 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
502 flag_cse_skip_blocks only temporarily, not for ever.
504 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
506 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
507 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
509 * pa.c (emit_move_sequence): Verify operand0 is a hard register
510 before determining its register class.
512 2001-03-01 Bernd Schmidt <bernds@redhat.com>
514 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
515 from reg 4 if current_function_calls_setjmp.
516 (gen_nop_type): New function.
517 (ia64_emit_nops): New function.
518 (ia64_reorg): Call it.
519 (ia64_sched_reorder): Move code that rotates bundles up a bit.
521 * reload1.c (eliminate_regs_in_insn): Restrict the special case
522 code not to try to optimize adds with anything but a REG destination.
524 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
525 (INSN_PRIORITY_KNOWN): New accessor macro.
526 * haifa-sched.c (priority): Use it instead of testing priority against
529 2001-02-28 DJ Delorie <dj@redhat.com>
531 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
532 since that doesn't work the way gcc wants on a generic m68k.
534 2001-02-28 Richard Henderson <rth@redhat.com>
536 * caller-save.c (save_call_clobbered_regs): Fix typo in
537 comparison last change.
539 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
541 * i386.c (pentium4_cost): New.
542 (m_PENT4): New macro.
543 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
544 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
545 x86_integer_DFmode_moves, x86_partial_reg_dependency,
546 x86_memory_mismatch_stall): Add Pentium4
547 (x86_use_q_reg, x86_use_any_reg): Kill.
548 (override_options): Add pentium4.
549 (incdec_operand): Return 0 for pentium4.
550 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
551 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
552 (TARGET_PENTIUM4): Define.
553 (enum processor_type): Add PROCESSOR_PENTIUM4.
554 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
555 * i386.md (attribute "cpu"): Add pentium4.
556 * invoke.texi (march): Add pentium4.
558 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
560 * i386.md (sse_mov?fcc*): New patterns and splitters.
561 * i386.c (ix86_expand_movcc): Work post-reload; recognize
562 the SSE based conditional moves.
564 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
566 * i386.md (attribute mode): Add "TI".
567 (movsf_1): Add pxor support; remove constant propagation splitter.
568 (movdf_integer): Likewise.
569 (movdf_nointeger): Likewise.
570 (movxf constant prop splitter): Handle all modes; update for SSE.
571 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
572 * i386.c (standard_80387_constant_p): Rewrite.
573 (standard_sse_constant_p): New.
574 * i386-protos.h (standard_sse_constant_p): New.
576 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
578 * i386.md (sse_setccsf, sse_setccdf): New.
579 (sse_cmp* patterns): Use '%D' instead of outputtting condition
581 * i386.c (sse_comparison_operator): Accept the supported unordered
582 comparses; be ready for fast_math.
583 (print_operand): Support 'D'.
585 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
587 * jump.c (reversed_comparison_code): Kill.
589 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
591 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
594 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
596 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
597 add missing '%' in constraints.
599 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
601 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
602 for HOST_BITS_PER_WIDE_INT == 32 too.
604 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
606 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
608 (insert_save, insert_restore): New parameter save_mode.
609 (init_caller_save): Update initialization of reg_save_code
610 and reg_restore_code.
611 (save_call_clobbered_regs): Compute save_modes and update calls to
612 reg_save_code and reg_restore_code.
613 (insert_restore): Unsignetize numbers; use save_modes to choose mode
614 of spill; update use of reg_restore_code.
615 (insert_save): Likewise.
616 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
617 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
618 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
620 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
622 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
623 noce_try_store_flag_inc, noce_try_store_flag_mask,
624 noce_try_cmove_arith):
625 Use reversed_comparison_code instead of reverse_comparison and
626 can_reverse_comparison_p.
628 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
630 * jump.c (reversed_comparison_code_parts): Allow reversal of
631 unordered compares in -ffast-math mode; reverse ordered compares
632 for FP even w/o -ffast-math.
634 2001-02-27 Richard Henderson <rth@redhat.com>
636 * print-rtl.c (print_rtx) [i]: Don't print field five on
637 NOTEs other than NOTE_INSN_DELETED_LABEL.
639 2001-02-27 Zack Weinberg <zackw@stanford.edu>
641 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
642 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
644 2001-02-27 Diego Novillo <dnovillo@redhat.com>
646 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
647 even if walk_subtrees is 0.
648 * c-semantics.c (prune_unused_decls): Return a non-null value to
649 stop traversing the tree chain.
651 2001-02-27 DJ Delorie <dj@redhat.com>
653 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
654 register, *then* define it as the new CFA.
656 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
658 * pa.c (override_options): Promote -fpic to -fPIC.
659 (legitimize_pic_address): Simplify due to removal of
660 small PIC as a code generation option.
661 (secondary_reload_class): Similarly.
662 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
663 (PRINT_OPERAND_ADDRESS): Similarly.
664 * pa.md (various patterns): Similarly.
665 (small pic lo_sum pattern): Remove.
667 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
670 * md.texi (min, max): Document
672 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
674 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
675 TARGET_PARTIAL_REG_DEPENDENCY.
676 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
678 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
680 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
682 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
684 * mips.c (mips_make_temp_file): Fix thinko in last change.
686 2001-02-26 Jason Eckhardt <jle@redhat.com>
688 * combine.c (known_cond): Do not reverse the condition when
689 SMAX/UMAX is being considered and the condition is for equality
692 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
694 2001-02-26 Philip Blundell <philb@gnu.org>
696 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
698 * config/arm/linux-elf.h: Remove historical relics related to
699 above configurations.
700 * config/arm/linux-oldld.h: Delete.
701 * config/arm/linux-elf26.h: Delete.
703 2001-02-26 Jason Merrill <jason@redhat.com>
705 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
707 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
708 recognize a tentative definition. Lose obsolete code.
710 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
711 variables unless necessary, either.
713 2001-02-25 Richard Henderson <rth@redhat.com>
715 * ifcvt.c (struct noce_if_info): Add test_bb.
716 (noce_get_alt_condition): New.
717 (noce_try_minmax, noce_try_abs): New.
718 (noce_operand_ok): New.
719 (noce_process_if_block): Use them.
720 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
722 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
724 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
727 2001-02-25 Zack Weinberg <zackw@stanford.edu>
729 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
730 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
732 (mips_asm_file_end): Free temp_filename here.
734 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
736 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
737 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
739 * config/i386/i386.md (movstrsi): Handle FAIL case.
741 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
743 * cppinit.c (builtin_array): Update.
744 (init_builtins): Flag builtins to warn if redefined or
745 undefined. Define __GXX_WEAK as a normal macro.
746 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
747 * cpplib.h (NODE_WARN): New flag.
748 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
749 Handle __STDC__ as a builtin only on Solaris.
750 (warn_of_redefinition): Renamed from check_macro_definition.
751 Reverse sense of test. Always warn if NODE_WARN.
752 (_cpp_create_definition): Use warn_of_redefinition. Flag
753 any macro beginning with "__STDC_" to require a mandatory
754 warning if redefined or undefined.
756 2001-02-24 Zack Weinberg <zackw@stanford.edu>
758 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
759 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
760 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
761 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
762 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
763 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
765 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
766 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
767 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
768 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
769 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
771 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
772 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
775 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
776 Delete now-empty file.
778 * alpha/vms.h: Define NEED_ATEXIT here...
779 * alpha/xm-vms.h: ...not here.
781 * i386/cygwin.h: Don't define PARAMS.
782 * mips/mips.c: Don't prototype mktemp. Don't define
783 P_tmpdir. Use make_temp_file to create temporary files.
784 Don't be clever and delete temporary files early.
785 * config.gcc: Drop references to deleted files. Don't define
787 * gcc.texi: Don't mention USE_PROTOTYPES.
789 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
791 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
792 (ix86_set_move_mem_attrs_1): Likewise.
793 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
794 * config/i386/i386.md (movstrsi): Call it.
796 2001-02-24 Zack Weinberg <zackw@stanford.edu>
798 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
799 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
800 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
801 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
803 (i750a-*-*): Error here if hosting on i750a.
804 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
806 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
807 Remove (empty modulo comments).
809 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
810 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
811 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
812 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
813 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
814 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
816 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
817 Remove reference to winnt.h in comment.
818 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
820 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
822 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
823 used to set another biv.
825 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
827 * tree.h (BLOCK_DEAD): New macro.
828 (struct tree_block): New flag, dead_flag.
829 * print-tree.c (print_node, case 'b'): Print missing fields.
830 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
831 * function.c (identify_blocks): Enable test for misplaced notes.
832 (all_blocks): Skip BLOCK_DEAD blocks.
833 * integrate.c (integrate_decl_tree): Likewise.
835 * errors.c (internal_error, trim_filename): New functions.
836 (fancy_abort): Call internal_error.
837 * errors.h (internal_error, trim_filename): New declarations.
839 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
841 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
843 (EXTRA_CONSTRAINT): Formatting changes.
845 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
847 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
849 2001-02-23 Per Bothner <per@bothner.com>
851 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
852 so they can be called from java/jvspec.c.
853 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
855 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
857 * i386.c (ix86_frame): New structure.
858 (ix86_compute_frame_size): Kill.
859 (ix86_compute_frame_layout): New.
860 (ix86_save_reg): New.
861 (ix86_can_use_return_insn_p): Use frame layout stuff.
862 (ix86_expand_prologue): Likewise.
863 (ix86_expand_epilogue): Likewise.
864 (ix86_initial_elimination_offset): Likewise.
865 (ix86_nsaved_regs): Use ix86_save_reg.
866 (ix86_emit_save_regs): Likewise.
868 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
870 * flow.c (find_sub_basic_blocks): New function.
871 (split_block): Be ready for basic block introduced by CODE_LABEL.
872 (commit_one_edge_insertion): Call find_sub_basic_block.
874 * flow.c (make_edges): Add edge from entry for blocks starting with
875 label having ALTERNATE_NAME
877 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
879 * function.c (epilogue_done): Be ready for first basic block not
880 containing PROLOGUE_END note.
881 (reposition_prologue_and_epilogue_notes): Avoid placing
882 PROLOGUE_END note between BASIC_BLOCK.
884 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
886 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
888 2001-02-21 DJ Delorie <dj@redhat.com>
890 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
891 check for current_function_has_nonlocal_goto from 1999-11-12.
893 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
895 * diagnostic.c (trim_filename): No longer static.
896 * toplev.h (trim_filename): Declare.
897 * rtl.c (rtl_check_failed_bounds): Call internal_error.
898 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
899 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
900 (rtvec_check_failed_bounds): Likewise.
901 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
903 * convert.c (convert_to_integer): Don't do unsigned unless result or
904 both inputs are unsigned.
906 * fold-const.c (fold_convert): Don't call size_int_type_wide if
909 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
911 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
913 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
915 * Makefile.in (resource.o): Add params.h dependence.
916 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
917 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
918 * resource.c: Add dependence on params.h.
919 (current_live_regs): Fix explanatory comment.
920 (find_basic_block): Add new parameter to permit limiting search
922 (mark_target_live_regs): Add new argument to find_basic_block call.
923 (incr_ticks_for_insn): Likewise.
925 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
927 * diagnostic.c (output_to_stream): Rename to
928 output_buffer_to_stream. Loses the stream parameter.
929 (init_output_buffer): Set diagnosic_buffer's stream.
930 (flush_diagnostic_buffer): Adjust.
931 (default_print_error_function): Likewise.
932 (finish_diagnostic): Likewise.
933 (verbatim): Likewise.
935 * diagnostic.h (struct output_buffer): Add `stream' field.
936 (output_buffer_attached_stream): New macro.
938 2001-02-23 Jakub Jelinek <jakub@redhat.com>
940 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
941 check if either operand is divisible by C.
942 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
943 If type is signed, consider negative numbers as well.
945 2001-02-22 Richard Henderson <rth@redhat.com>
947 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
948 reach .text instead of gp-relative relocs.
949 * config/ia64/crtend.asm (.init): Likewise.
951 2001-02-22 Andreas Jaeger <aj@suse.de>
953 * extend.texi (C++ Attributes): Fix typo.
955 2001-02-21 David Mosberger <davidm@hpl.hp.com>
957 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
958 functions, drop current_function_args_info.words test.
959 (ia64_compute_frame_size): Mark syscall_linkage functions as
960 using eight input registers.
962 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
963 Bruce Korb <bkorb@gnu.org>
965 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
966 * fixinc/README: Document how to convert sed substitutions
967 to format style c_fix-es.
968 * fixinc/fixincl.x: regen
970 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
972 * gcc.c: Add comment explaining how to add a command-line option.
973 Add title to specs language comment.
975 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
977 * gcc.c (cc1_options): Add "-param".
978 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
979 (option_map): Likewise.
980 * toplev.c (display_help): Add entry for "--param".
981 (independent_decode_option): Fix typographical error.
983 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
984 Bernd Schmidt <bernds@redhat.com>
985 Jan Hubicka <jh@suse.cz>
987 * i386.c (function_arg_advance): Pass SSE arguments in registers.
988 (function_arg): Likewise.
990 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
992 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
994 2001-02-21 Kazu Hirata <kazu@hxi.com>
996 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1000 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1002 * flow.c (init_propagate_block_info): Canon address and use single_set
1003 for killing dead memory stores.
1005 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1007 * Makefile.in (reorg.o): Add params.h dependence.
1008 * params.def: Fix typographical error in comment.
1009 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1010 * params.h: Modify introductory comment.
1011 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1012 * reorg.c: Add dependence on params.h.
1013 (redundant_insn): Add parameterized throttle for search.
1014 (fill_simple_delay_slots): Add a comment explaining a variable.
1015 Move conditional out of loop, simplifying code.
1016 (fill_eager_delay_slots): Fix typographical error in comment.
1018 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1020 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1022 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1023 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1025 2001-02-21 Jason Merrill <jason@redhat.com>
1027 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1028 (struct tree_decl): Add uninlinable bitfield.
1029 * c-decl.c (duplicate_decls): Set it.
1030 * integrate.c (function_cannot_inline_p): Check it.
1032 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1033 DW_AT_MIPS_linkage_name to abstract methods.
1034 (dwarf2out_abstract_function): Emit class context before calling
1035 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1036 (gen_subprogram_die): Remove obsolete code.
1037 (gen_member_die): Don't include clones in the member list.
1038 (gen_decl_die): Emit abstract info for clone origin.
1039 * dwarfout.c (output_type): Don't include clones in the member list.
1040 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1041 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1042 DECL_ABSTRACT on a function that already has it set.
1044 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1045 (get_subprogram_die): Pass it in.
1047 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1049 * flow.c (mark_set_1): Make not_dead unsigned long. For
1050 non-pseudos, use it as a bitmask of the hard regs that
1053 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1055 * cppfiles.c: Update comments.
1056 (_cpp_read_file): Don't check for NULL filenames any more.
1057 * cppinit.c (cpp_start_read): Don't do canonicalization of
1058 in_fname and out_fname. Use the passed file name exclusively.
1059 (_cpp_handle_options): Don't treat "-" as a command line option,
1060 but as a normal filename.
1061 (_cpp_post_options): Canonicalize in_fname and out_fname.
1062 * cppmain.c (printer_init): Don't check out_fname for NULL.
1063 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1064 (init_c_lex): Update, and use "" to represent stdin to CPP.
1067 2001-02-20 Will Cohen <wcohen@redhat.com>
1069 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1070 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1071 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1074 2001-02-20 Stan Shebs <shebs@apple.com>
1076 * config/rs6000/rs6000.c (output_cbranch): Output branches
1077 on separate lines instead of using ';' to separate.
1079 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1081 * cppinit.c (set_lang): Move builtin handling to...
1082 (init_builtins): ...here.
1083 (_cpp_create_reader): Move call to set_lang.
1085 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1087 * stmt.c (expand_return): If an attempt is made to return the
1088 error_mar_node, treat the return like a return without a value.
1090 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1092 * sibcall.c (skip_copy_to_return_value): Call
1093 identify_call_return_value here, and return orig_insn if it
1094 returns zero. Hardret and softret arguments now unnecessary.
1095 (call_ends_block_p): Don't call identify_call_return_value here.
1097 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1099 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1100 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1102 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1104 * pa.c (move_operand): Accept code to load the address of a
1105 symbol out of the DLT as a valid move operand.
1106 (print_operand, case 'A'): New to handle generating a DLT
1107 reference for a LO_SUM expression.
1108 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1109 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1111 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1113 * README, cpp.texi, gcc.texi, version.c: Update version number to
1115 * cpp.1, gcov.1, gcc.1: Regenerate.
1117 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1119 * cppfiles.c (stack_include_file): Generate dependencies
1120 here, and manage include_count here too.
1121 (PRINT_THIS_DEP): Delete.
1122 (_cpp_execute_include): Do not generate dependencies here,
1123 apart from the case of a missing header. Do not manage
1125 (_cpp_read_file): Leave dependency generation to
1128 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1130 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1131 target_cpu_default. Remove dead assignment to
1134 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1136 * regclass.c (contains_reg_of_mode): Make global.
1137 (init_reg_sets): Remove contains_reg_of_mode; take into account
1138 CLASS_MAX_NREGS when looking for the proper mode.
1139 (dump_regclass): Dump only classes considered for the pseudo.
1140 (regclass): Use contains_reg_of_mode.
1142 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1144 * gcc.c (do_spec_1): 'n' for printing notices.
1145 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1147 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1149 * reg-stack.c (next_flags_user): Use current_block->end
1150 (swap_rtx_condition): Look for next user if flags don't die;
1151 give up on CALL_INSNs; use current_block->end.
1153 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1155 * sibcall.c (call_ends_block_p): New function.
1156 (optimize_sibling_and_tail_recursive_call): Use it.
1158 2001-02-18 Kazu Hirata <kazu@hxi.com>
1160 * config/h8300/h8300.md: Update copyright.
1161 (andsi3): Do not output an extra newline character.
1163 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1165 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1166 FNDECL may be unused.
1168 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1169 follow jumps after first run.
1170 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1171 it doesn't change any jumps.
1173 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1175 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1176 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1177 (mostlyclean): Corresponding changes.
1178 * rtlanal.c (hard-reg-set.h): Include.
1179 (rtx_unstable_p): Do not treat the argument pointer specially
1180 if it is not a fixed register.
1181 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1183 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1185 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1186 against last real insn in basic block.
1187 Rework to avoid gotos.
1189 * Makefile.in (gcse.o): Now includes ggc.h.
1190 * gcse.c: Include ggc.h.
1191 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1192 (try_replace_reg): Remove warning of uninitialize variable.
1193 (process_insert_insn): Call invalid_insn_p to validate insn.
1194 * recog.c (insn_invalid_p): Now global.
1195 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1196 * recog.h (insn_invalid_p): New declaration.
1198 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1200 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1201 assignments from FP constants since 'Y' output code can't handle it.
1202 (eligible_for_sibcall_delay): Likewise.
1204 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1205 Call fancy_abort directly, passing args.
1206 (print_rtl_and_abort): Now a macro, like fancy_abort.
1208 * final.c (output_operand_lossage): Use internal_error, not error.
1210 2001-02-18 Shane Nay <shane@agendacomputing.com>
1212 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1213 structure shift insns.
1215 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1217 * invoke.texi (-fsquangle): Remove documentation.
1218 (-fname-mangling-version): Likewise.
1220 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1222 * optabs.c (expand_abs): Remove reference to
1223 HAVE_contitional_arithmetic.
1224 * combine.c (simplify_set): Likewise.
1226 2001-02-18 Richard Henderson <rth@redhat.com>
1228 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1231 2001-02-18 Richard Henderson <rth@redhat.com>
1233 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1235 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1237 * reload1.c (reload_cse_simplify_set): Fix typo.
1239 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1241 * diagnostic.c (_fatal_insn): Decrement errorcount.
1243 * invoke.texi (-I): Add note avoiding use for system header files.
1245 * rtl.h (add_clobbers): Remove duplicate declaration.
1246 * recog.h (added_clobbers_hard_reg_p): New declaration.
1247 * genemit.c (struct clobber_pat): New field has_hard_reg.
1248 (gen_insn): Record if added clobbers clobber hard reg.
1249 (gen_split): Avoid unused warning if number of operands is 0.
1250 (output_added_clobbers_hard_reg_p): New function.
1253 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1255 * pa.c (hppa_expand_prologue): Simplify code storing return
1256 pointer. For large (>=8k) frames with a post_store, adjust stack
1257 pointer by 8k-64 first rather than by 64. When testing with
1258 VAL_14_BITS_P, always use the actual value rather than the value
1259 negated. Add blockage to prevent scheduling of spills before
1260 stack frame has been created.
1261 (hppa_expand_epilogue): Simplify code loading return pointer.
1262 Allow a slightly larger range for merge_sp_adjust_with_load case.
1263 When testing with VAL_14_BITS_P, always use the actual value.
1265 * pa.c (pa_adjust_insn_length): Check that block move
1266 pattern is a set before looking at operands.
1268 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1270 * fold-const.c (fold_binary_op_with_conditional_arg): New
1271 function, split out from ...
1273 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1274 conditional arms that throw exceptions.
1276 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1279 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1281 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1282 define HAVE_DECL_* to 1 to mask potential backup declarations.
1283 * configure: Regenerated.
1285 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1287 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1289 2001-02-17 Richard Henderson <rth@redhat.com>
1291 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1292 when replacing a memory load with a register.
1294 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1295 Jan Hubicka <jh@suse.cz>
1297 * recog.c (validate_replace_src_1): New.
1298 (validate_replace_src_data): Likewise.
1299 (validate_replace_src): Use note_uses.
1300 * rtl.h (note_uses): Declare.
1301 * rtlanal.c (note_uses): New.
1303 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1305 * reg-stack.c (stack_def): Make field reg unsigned.
1306 (remove_regno_note): Unsignetize parameter.
1308 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1310 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1311 shladd_operand() call.
1313 2001-02-16 Bruce Korb <bkorb@gnu.org>
1314 Rodney Brown <RodneyBrown@mynd.com>
1316 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1317 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1318 machine restrictions
1319 * fixinc/fixincl.x: regen
1321 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1323 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1325 (hash_scan_insn): Clean up calls to hash_scan_set.
1326 (compute_kill_rd): REGNO now unsigned.
1327 (try_replace_reg): Rework to use simplify_replace_rtx.
1328 (cprop_jump, cprop_cc0_jump): Likewise.
1329 (cprop_insn): Call find_reg_equal_equiv_note.
1330 Reflect changes to cprop_jump and cprop_cc0_jump.
1332 * recog.c (validate_replace_src): Replace in operands of
1333 ZERO_EXTRACT in SET_DEST.
1335 * cse.c (new_label_ref): New variable.
1336 (insert): Set it instead of recorded_label_ref.
1337 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1338 CODE_LABEL for this function, and not already in REG_LABEL note.
1340 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1342 * resource.c (mark_referenced_resources): Fix typo in introductory
1344 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1347 2001-02-16 Jason Merrill <jason@redhat.com>
1349 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1351 (gen_subprogram_die): Don't abort on seeing a second definition if
1352 the previous one was abstract. Don't replace an abstract instance
1353 in the lookup table.
1355 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1356 gen_abstract_function.
1357 * dwarf2out.h: Declare it.
1358 * toplev.c (note_outlining_of_inline_function): New fn.
1359 * toplev.h: Declare it.
1360 * integrate.c (output_inline_function): Call it.
1361 * c-decl.c (duplicate_decls): Call it when redefining an extern
1362 inline. Don't inline the new defn.
1364 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1366 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1368 * .gdbinit: Rename to gdbinit.in.
1369 * gdbinit.in: New file,
1370 * configure.in: Generate .gdbinit from gdbinit.in.
1371 * configure: Regenerated.
1372 * Makefile.in (distclean): Always remove .gdbinit.
1374 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1376 * objc/objc-act.c (start_class): Register implemented_classes with
1379 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1381 * cppfiles.c (_cpp_make_system_header): Generate a file
1384 2001-02-15 Jim Meyering <meyering@lucent.com>
1386 * Makefile.in (install-common): Don't depend on installdirs here.
1387 Instead, make each of the lang.install-common targets (e.g.,
1388 c++.install-common in cp/Make-lang.in) depend on it.
1389 (install-driver): Depend on installdirs.
1391 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1393 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1395 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1398 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1400 * invoke.texi (--param): Document.
1402 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1404 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1406 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1408 * i386.md (extendsfdf2_2): Fix constraints.
1410 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1412 * i386.md (fop_df_3 splitter): Fix operand number.
1414 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1416 * invoke.texi (-mreg-alloc): Nuke.
1417 * i386.c (ix86_reg_alloc_order, regs_allocated,
1418 order_regs_for_local_alloc): Nuke.
1419 (override_options): Kill reg_alloc code.
1420 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1421 (REG_ALLOC_ORDER): SSE goes before I387.
1422 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1423 (ix86_reg_alloc_order): Likewise.
1424 * i386-protos.h (ix86_reg_alloc_order): Kill.
1426 2001-02-14 Richard Henderson <rth@redhat.com>
1428 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1430 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1432 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1434 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1436 * i386-protos.h (ix86_memory_move_cost): Move offline.
1437 * i386.c (ix86_register_move_cost): Compute properly cost of
1438 SSE, MMX and i387 instructions.
1439 (*_cost): Add costs of SSE/MMX moves.
1440 (ix86_memory_move_cost): Move offline from ....; Likewise.
1441 * i386.h (MEMORY_MOVE_COST): .... here;
1442 (struct processor costs): Add new fields to represent costs
1445 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1447 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1448 move_cost together with Matt Kraai's fix.
1450 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1452 * Makefile.in (OBJS): Add params.o.
1454 2001-02-14 Richard Henderson <rth@redhat.com>
1455 DJ Delorie <dj@redhat.com>
1457 * jump.c (jump_optimize_1): When we delete a conditional jump
1458 preceeding a non-conditional jump to effectively the same place,
1459 make sure that the combined jump skips any clobber insns between
1462 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1464 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1466 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1468 * Makefile.in (toplev.o): Depend on params.h.
1469 (intergate.o): Likewise.
1470 (params.o): New target.
1471 * flags.h (inline_max_insns): Remove.
1472 * integrate.c: Include params.h.
1473 Use MAX_INLINE_INSNS instead of inline_max_insns.
1474 * params.c: New file.
1475 * params.h: Likewise.
1476 * params.def: Likewise.
1477 * toplev.c: Include params.h.
1478 (lang_independent_params): New variable.
1479 (decode_f_option): Use the param machinery instead of setting
1481 (independent_decode_option): Handle "--param name=value".
1482 (main): Register language-independent parameters.
1484 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1486 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1488 2001-02-14 Richard Henderson <rth@redhat.com>
1490 * regclass.c (init_reg_sets_1): Revert last two changes.
1492 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1494 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1495 (variable_size): Call put_pending_size.
1496 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1497 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1498 sizes list, put newly created SAVE_EXPR there as well.
1500 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1502 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1503 (errata_find_address_regs): load_group has only 2 entries.
1504 (errata_emit_nops): Likewise. shladd is not problematic.
1505 Clear last_group if nop was emitted.
1506 (fixup_errata): load_group has only 2 entries.
1509 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1511 * c-lex.c (lex_number): Only warn traditionally for U suffix
1512 outside system macros.
1513 * cppexp.c (parse_number): Similarly.
1514 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1515 * cppmacro.c (struct cpp_macro): New member node.
1516 (parse_args): Only warn about missing rest args if not
1518 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1519 (cpp_sys_objmacro_p): New.
1520 (_cpp_create_definition): Store the node with the macro defn.
1521 Remember if the macro is defined in a system header.
1523 2001-02-13 DJ Delorie <dj@redhat.com>
1525 * configure.in (check_languages): determine languages to check
1526 * Makefile.in (check-c++): alias for check-g++
1527 (check-f77): alias for check-g77
1528 (CHECK_TARGETS): depend on configured languages
1530 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1532 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1533 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1534 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1535 (sqrtextendsfdf2): Disable for SSE2.
1537 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1539 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1540 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1541 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1542 (sqrtextendsfdf2): Disable for SSE2.
1544 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1546 * i386.md (movsfcc_1): Support integer cmove instruction.
1547 (movdfcc_1): Likewise; new splitter.
1549 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1551 * i386.c (output_fp_compare): Support SSE.
1552 (prepare_fp_compare_args): SSE comparisons always support memory.
1553 * i386.h (TARGET_CMOVE): SSE imply cmove.
1554 * i386.md (cmp?f2): Enable for SSE too.
1555 (cmpfp_i*): Support SSE.
1557 (cmpfp_i_sse_only): New.
1558 (s*, b* fp expanters): Enable for SSE too.
1559 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1562 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1564 * regclass.c (init_reg_sets_1): Silence warning.
1566 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1568 * i386.md (sqrt?f2): Change to expander.
1569 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1571 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1573 * rtlanal.c (find_reg_equal_equiv_note): New function.
1574 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1575 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1576 * rtl.h: Add declarations for above functions.
1578 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1580 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1582 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1583 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1584 * flow.c (mark_regs_live_at_end): Likewise.
1585 (calculate_global_regs_live): Likewise.
1586 * gcse.c (compute_hash_table): Likewise.
1587 (compute_kill_rd): Likewise.
1588 * resource.c (mark_target_live_regs): Likewise.
1589 * rtl.h (INVALID_REGNUM): New macro.
1591 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1593 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1595 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1597 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1600 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1602 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1604 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1605 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1606 (fop_sf_1_sse, fop_df_1_sse): New patterns
1607 (fop_*): Disable float_extend and float patterns for SSE compilation.
1608 * i386.c (output_387_binary_op): Support SSE.
1610 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1612 * i386.md (dummy_extendsfdf2): Support SSE2
1613 (extendsfdf2): Enable if 80387 or SSE2.
1614 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1615 and no MIX_I387_SSE2
1616 (extendsfdf2_1_sse_only): New pattern.
1617 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1619 (truncdfsf2_1): Support SSE.
1620 (truncdfsf2_2): Support SSE.
1621 (truncdfsf2_2_1_sse): New pattern.
1622 (fixtruncsfsi2): Always use SSE if available.
1623 (fix_truncsfsi_sse): New pattern.
1624 (fix_truncdfsi_sse): New pattern.
1625 (floatsis?f2): Support SSE.
1626 (floatsidf2_i387): New pattern.
1627 (floatsidf2_sse): Likewise.
1629 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1631 * configure.in: Use "have_gnat" variable, not "gnat".
1632 * configure: Regenerated.
1634 * config/sparc/sparc.c (function_value): Treat all non-record
1635 aggregate types like used to treat UNION_TYPE.
1637 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1639 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1640 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1642 (MASK_MIX_SSE_I387): New.
1643 (TARGET_SSE): SSE2 imply SSE.
1644 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1645 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1646 (enum reg_class): Add new classes.
1647 (REG_CLASS_NAMES): Likewise.
1648 (REG_CLASS_CONTENTS): Likewise.
1649 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1650 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1651 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1652 (CLASS_MAX_NREGS): Use new macros.
1653 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1654 * i386.md (pushsf, movsf): Support SSE.
1655 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1656 splitters to use ANY_FP_REGNO_P.
1657 (movdf_nointeger, movdf_integer): Likewise.
1659 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1661 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1662 (try_combine): Use it.
1664 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1666 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1667 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1668 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1669 (REGISTER_MOVE_COST): Likewise.
1670 * i386-protos.h (ix86_secondary_memory_needed,
1671 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1672 * i386.c (ix86_secondary_memory_needed,
1673 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1675 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1677 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1678 (HARD_REGNO_MODE_OK): Move offline to ....
1679 * i386.c (ix86_hard_regno_mode_ok) ... here;
1680 refuse all incorrect modes.
1681 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1683 2001-02-13 Richard Henderson <rth@redhat.com>
1685 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1686 entire operator; replicate that and match_dup the operands.
1687 (cmp_ccx_arith_op_set): Likewise.
1688 (cmp_cc_arith_op_not_set): Likewise.
1689 (cmp_ccx_arith_op_not_set): Likewise.
1691 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1693 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1695 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1697 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1698 (TARGET_NO_BITFIELD_WORD): New macro.
1699 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1700 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1702 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1704 * cselib.c: New file, from simplify-rtx.c.
1705 * simplify-rtx.c: Remove cselib parts.
1706 * Makefile.in: Add cselib.o.
1708 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1710 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1711 (setup_incoming_varargs): Remove warning.
1713 * config/rs6000/rs6000.c (validate_condition_mode): When
1714 flag_fast_math, allow floating-point conditionals to be reversed.
1715 (rs6000_generate_compare): When flag_fast_math, don't generate
1716 cror operations for FP conditionals.
1718 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1720 (ASM_SPEC): Likewise.
1721 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1722 (CC1_SPEC): Likewise.
1723 (LINK_TARGET_SPEC): Likewise.
1724 (CPP_ENDIAN_SPEC): Likewise.
1725 * Makefile.in (check-consistency): New target.
1727 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1729 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1730 "return type defaults" warning for functions with return type
1732 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1733 function declarations by default rather than only when pedantic.
1735 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1737 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1740 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1742 * extend.texi (Deprecated): Deprecate new initializer lists.
1744 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1746 * mkdeps.c (deps_add_default_target): Robustify. Add
1747 basename component only.
1748 * cpp.texi (-M): Describe how default target is generated.
1749 * invoke.texi (-M): Likewise.
1751 2001-02-12 Kazu Hirata <kazu@hxi.com>
1753 * toplev.c (push_float_handler): Remove.
1754 (pop_float_handler): Remove.
1755 * toplev.h: Remove prototypes for the above functions.
1757 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1759 * c-common.c (constant_fits_type_p): New function.
1760 (convert_and_check): Use it.
1762 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1764 * Makefile.in (GXX_ABI_FLAG): Don't define.
1765 * configure.in (--enable-new-gxx-abi): Remove option.
1766 * config.in: Regenerated.
1767 * configure: Likewise.
1769 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1771 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1773 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1774 regular basic block, and arrange for all edges into it to switch
1777 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1779 * Makefile.in (distclean): Do not remove .gdbinit.
1781 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1783 * Makefile.in (gcc.o): Fix typos.
1784 (protize.o): Likewise.
1785 (unprotoize.o): Likewise.
1787 2001-02-11 Richard Henderson <rth@redhat.com>
1789 * tree.c (build1): Check for null operand in last change.
1791 2001-02-11 Richard Henderson <rth@redhat.com>
1793 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1794 (fold): Don't assume a constant isn't foldable.
1795 * tree.c (build): Set TREE_CONSTANT for an expression with no
1796 side-effects and constant operands.
1799 2001-02-10 Richard Henderson <rth@redhat.com>
1801 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1803 2001-02-10 Anthony Green <green@redhat.com>
1805 * cpp.texi (Standard Predefined): Add documentation for
1808 * c-common.c (combine_strings): Improve warning message.
1810 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1812 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1814 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1816 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1818 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1821 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1823 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1826 2001-02-09 Nick Clifton <nickc@redhat.com>
1828 * config/arm/arm.md: Change output contraint on post inc
1829 load/store multiple patterns to be a read/write contraint.
1831 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1833 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1834 .o files when using the -M options.
1836 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1837 David Edelsohn <edelsohn@gnu.org>
1839 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1840 handle DImode constants. Use one TOC entry for SImode and smaller
1841 constants, aligned properly.
1843 2001-02-08 Jason Merrill <jason@redhat.com>
1845 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1846 about the SP adjustment for saving the static chain pointer.
1847 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1848 offset when setting a temporary CFA register.
1850 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1852 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1853 powerpc-*-chorusos* .
1854 * config/rs6000/chorus.h : New file.
1855 * config/i386/chorus.h : New file.
1856 * config/sparc/chorus.h : New file.
1857 * config/sparc/t-chorus-elf : New file.
1859 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1861 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1862 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1863 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1864 (__WCHAR_TYPE__): Correct macro name.
1866 2001-02-08 Richard Henderson <rth@redhat.com>
1868 * config/i386/i386.c (ix86_frame_pointer_required): New.
1869 (ix86_setup_frame_addresses): New.
1870 (struct machine_funciton): Add accesses_prev_frame.
1871 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1872 ix86_frame_pointer_required.
1873 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1874 (SETUP_FRAME_ADDRESSES): New.
1875 * config/i386/i386-protos.h: Update.
1876 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1877 from FRAME_POINTER_REQUIRED.
1878 * config/i386/svr3gas.h: Likewise.
1879 * config/i386/sysv3.h: Likewise.
1880 * config/i386/v3gas.h: Likewise.
1882 2001-02-08 Richard Henderson <rth@redhat.com>
1884 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1885 calculation of the number of integer registers required.
1886 (function_arg_record_value): Likewise.
1888 2001-02-08 Jason Merrill <jason@redhat.com>
1890 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1891 two. Print file and line with "confused" message.
1893 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1895 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1897 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1899 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1901 * final.c (cleanup_subreg_operands): The address of a MEM can
1904 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1907 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1909 * gcc.texi (Incompatibilities): Update documentation of
1910 preprocessing numbers.
1912 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1914 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1916 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1918 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1920 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1921 * gcc.c (struct compiler): Add cpp_spec field.
1922 (input_file_compiler): New variable.
1923 (do_spec_1): Allow a particular compiler to handle `%C'
1925 (main): Store the current compiler in input_file_compiler.
1926 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1928 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1930 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1931 * cppinit.c (cpp_create_reader): Initialize them.
1932 (append_include_chain): cxx_aware arg might be unused.
1933 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1934 keywords and give them their phase 7 meaning. Pedwarn about
1935 this unless '__bool_true_false_are_defined' is defined.
1937 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1939 * lcm.c (optimize_mode_switching): Emit mode_set before the
1940 JUMP_INSN of an abnormal edge.
1942 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1944 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1945 a scheduling barrier at the end.
1947 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1949 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1951 * config/sh/sh.md (reload_outsf): Removed.
1952 (movsf_ie): Introduce constraints for FPUL loads and stores.
1953 (reload_insf): Broaden the output constraint.
1955 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1957 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1958 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1960 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1962 * final.c: Revert my previous changes.
1963 * output.h: Make profile_label_no extern.
1964 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1965 for generating label.
1967 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1969 * config/i386/djgpp.h: Add comments about standard paths.
1970 (MD_EXEC_PREFIX): Undefine before defining.
1971 (MD_STARTFILE_PREFIX): New.
1973 2001-01-30 Bruce Korb <bkorb@gnu.org>
1975 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1976 (load_file): do not rely on load_file_data() to close file pointer
1977 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1978 fixinc/inclhack.def(irix_limits_const): add test_text
1980 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1982 * cppexp.c (parse_defined): Improve diagnostics for invalid
1985 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1987 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1989 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1991 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1992 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1993 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1994 (rs6000_output_symbol_ref): New function.
1995 (output_toc): Use VTABLE_NAME_P.
1997 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1999 * print-tree.c (print_node, case PARM_DECL):
2000 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2002 * stor-layout.c (reference_types_internal): New variable.
2003 (internal_reference_types): New function.
2004 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2005 * tree.h (internal_reference_types): New declaration.
2007 * cse.c (find_best_addr): Fix typo in computing cost.
2009 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2011 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2012 and this is the sum of a pointer and a constant, we know the result
2014 (num_sign_bit_copies, case PLUS): Likewise.
2015 * explow.c (convert_memory_address): Remove opposite SUBREG.
2016 * function.c (instantiate_new_reg): New function (from common code).
2017 (instantiate_virtual_regs_1): Call it.
2018 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2019 if pointers sign- or zero-extend.
2020 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2021 If pointers extend unsigned, use inside of SUBREG.
2022 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2024 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2026 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2027 subdir of gcc_gxx_include_dir.
2028 (gcc_gxx_target_include_dir): Remove.
2030 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2032 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2033 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2034 a high-level description.
2036 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2038 * final.c: Move the declaration of profile_label_no to ...
2039 * output.h: ... here.
2040 * function.c (expand_function_start): Call PROFILE_HOOK.
2041 * config/rs6000/aix.h: Define PROFILE_HOOK.
2042 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2043 * config/rs6000/rs6000.c (output_profile_hook): Define.
2044 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2045 output_profile_hook.
2046 tm.texi : Explain new macro PROFILE_HOOK.
2048 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2050 * extend.texi (Extended Asm): Do not say that semicolon is always
2051 a valid line-breaking character for GNU assemblers. Use
2052 newline-tab as the most commonly supported syntax. Use
2053 newline-tab rather than semicolon in multi-insn examples.
2055 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2057 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2059 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2060 David Edelsohn <edelsohn@gnu.org>
2062 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2063 code for AIX, even without flag_pic.
2065 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2067 * c-typeck.c (common_type): push and pop binding level around
2068 calling common_type on function parameters.
2070 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2072 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2074 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2076 * config/mips/mips.c (override_options): Fix typo in last change.
2077 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2078 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2080 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2082 * invoke.texi (-fdump-class-layout): Document.
2083 (-fdump-translation-unit): Use `=' as filename separator.
2085 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2087 * Makefile.in (s-mlib): Don't build multilibs if
2089 (DRIVER_DEFINES): Adjust accordingly.
2091 (protoize.o): Likewise.
2092 (unprotoize.o): Likewise.
2093 * configure.in: Recognize --enable-multilib.
2095 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2097 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2099 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2100 * configure.in: Remove --enable-libstdcxx_v3 support.
2101 * configure: Regenerated.
2103 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2105 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2106 Call abort instead of fatal.
2107 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2108 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2109 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2110 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2111 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2112 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2114 * diagnostic.h (set_internal_error_function): Renamed.
2115 * toplev.h (internal_error): Renamed from fatal.
2116 (pfatal_with_name): Deleted.
2117 (fatal_io_error): Now has printf-style arguments.
2118 * diagnostic.c (pfatal_with_name): Deleted.
2119 (fatal_io_error): Rework to have args in printf-style.
2120 (set_internal_error_function): Renamed from set_fatal_function.
2121 (internal_error): Renamed from fatal.
2122 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2123 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2124 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2125 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2126 * flow.c (verify_flow_info): Likewise.
2127 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2128 * config/mips/mips.c (save_restore_insns): Likewise.
2130 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2131 * flow.c (verify_flow_info): Likewise.
2132 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2133 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2134 (avr_normalize_condition): Likewise.
2135 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2136 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2137 (limit_reload_class, double_reg_to_memory): Likewise.
2138 (print_operand_address, emit_1600_code_shift): Likewise.
2139 (gen_tst_reg, gen_compare_reg): Likewise.
2140 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2141 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2143 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2145 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2146 * objc/objc-act.c (build_ivar_chain): Likewise.
2147 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2149 * graph.c (clean_graph_dump_file): Likewise.
2150 * profile.c (init_branch_prob): Likewise.
2151 * objc/objc-act.c (objc_init): Likewise.
2153 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2154 * config/avr/avr.c (avr_override_options): Likewise.
2155 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2156 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2157 * config/h8300/h8300.c (h8300_init_once): Likewise.
2158 * config/mips/mips.c (override_options): Likewise.
2159 * config/i386/i386.c (override_options): Likewise, rework.
2160 * config/m68k/m68k.c (override_options): Likewise.
2162 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2164 * config/mips/mips.c (print_operand): Likewise.
2165 * hash.c (hash_allocate): Don't check for failure returns from
2166 obstack functions that can't fail.
2167 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2168 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2169 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2170 (get_object_reference): Likewise.
2172 2001-02-04 Nick Clifton <nickc@redhat.com>
2174 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2175 StrongARM1110, 10TDMI, and 1020T.
2177 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2179 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2181 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2183 * config/sh/sh.md (movdf load split): Pass register number to
2184 FP_OR_XD_REGISTER_P.
2186 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2188 * cppinit.c (BC): New macro.
2189 (builtin_array): Add __GXX_WEAK__.
2190 * cpplib.h (builtin_type): Add BT_WEAK.
2191 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2192 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2193 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2195 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2197 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2199 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2201 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2202 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2204 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2206 * cpphash.h: Rename ALIGN _ALIGN.
2207 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2209 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2211 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2212 compilation environment.
2213 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2214 control over location of cygwin includes and libs.
2216 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2218 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2220 2001-02-02 lars brinkhoff <lars@nocrew.org>
2222 * md.texi (Standard Names): remove reference to spur.md.
2224 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2226 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2227 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2228 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2229 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2230 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2232 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2234 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2235 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2236 number before reload.
2237 (c4x_adjust_cost): Return zero before reload.
2238 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2239 split before reload.
2241 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2243 * c4x.c (c4x_hard_regno_rename_ok): New.
2244 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2245 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2247 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2249 * diagnostic.h: Add missing "extern" in all declarations.
2251 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2253 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2254 as for gcc_gxx_include_dir.
2256 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2258 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2260 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2262 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2263 label before alignment to be used as the braf base address.
2264 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2266 (casesi_jump_2): Require at least TARGET_SH2.
2268 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2269 truncation to 32-bit doubles on -m3e and -m4-single-only.
2271 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2273 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2274 the default when building a shared object.
2275 (init_spec): Use it.
2276 * testsuite/lib/g++.exp: Include the directory where libgcc
2277 is located to the LD_LIBRARY_PATH list.
2278 * invoke.texi (-shared-libgcc): Document the cases in which
2279 GCC defaults to using the shared libgcc.
2281 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2283 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2284 unsigned is wide enough.
2286 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2287 (si_to_float): Likewise.
2288 (float_to_si, float_to_usi): Use BITS_PER_SI.
2290 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2292 * dwarf2out.c: Added explanation of abbreviations.
2293 (def_cfa_1): Added comments listing DWARF2 instructions.
2294 (cfa_temp_reg): Removed in favor of cfa_temp.
2295 (cfa_temp_value): Removed in favor of cfa_temp.
2296 (cfa_temp): New global variable.
2297 (dwarf2out_frame_debug_expr): Added extensive introductory
2298 comments explaining the function's transformations. Revised to
2299 use cfa_temp. Added some rtx checking. Generalize IOR case.
2300 (dwarf2out_frame_debug): Revised to use cfa_temp.
2301 (output_aranges): Cast as "unsigned" to avoid warning.
2302 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2303 explain which instructions must be marked.
2305 2001-02-01 Richard Henderson <rth@redhat.com>
2307 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2310 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2312 * config/sh/crt1.asm (main_k): Modified so that start calls
2313 ___setup_argv_and_call_main.
2315 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2317 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2318 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2319 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2320 * cppmacro.c (builtin_macro): Set builtin flags here.
2321 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2322 (replace_args): Clarify intent.
2323 (cpp_get_token): Macro expansion tokens get the saved flags.
2325 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2328 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2330 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2333 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2335 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2336 returns Pmode pseudo, but we need ptr_mode.
2337 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2338 Remove bogus conversions; use HOST_WIDE_INT for size.
2339 Don't use TARGET if wrong mode.
2341 * config/i386/i386.c (ix86_compute_frame_size): Allow
2342 stack_alignment_needed to be non-default even if size is zero.
2344 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2346 * (hppa_init_pic_save): Emit the pic offset table
2347 reg save after last_parm_insn.
2348 * pa.c (hppa_init_pic_save): New function.
2349 * pa.h (hppa_init_pic_save): Declare.
2350 * pa.md (call, call_value, sibcall, sibcall_value): Use
2351 the above instead of duplicated code.
2353 * pa.c (hppa_encode_label): Correct size of alloca buffer
2354 so we don't overrun it. Correct leading `*' case.
2355 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2356 need to handle `*@'.
2357 (FUNCTION_NAME_P): Likewise.
2359 2001-01-31 Richard Henderson <rth@redhat.com>
2361 * config.gcc (alpha-osf5): Use float-i128.h.
2363 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2364 * config/float-i32.h: Likewise.
2365 * config/float-i64.h: Likewise.
2366 * config/float-sh.h: Likewise.
2367 * config/float-sparc.h: Likewise.
2369 2001-01-31 DJ Delorie <dj@redhat.com>
2371 * expmed.c (extract_bit_field): allow non-integral modes if we
2372 want to extract a whole register from itself.
2374 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2376 * c-typeck.c (set_init_index): If first is equal to last, assume as
2377 if it was not a range at all.
2379 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2381 * config/fp-bit.c: Include tm.h.
2382 (float_to_si): Don't assume SImode is 32-bits wide.
2383 (float_to_usi): Likewise.
2385 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2387 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2389 (typename): Call pending_xref_error after parsing typed_typespecs.
2390 * c-decl.c (lookup_tag): Give error immediately rather than
2391 leaving it pending if the tag of the wrong type is in the same
2393 (xref_tag): Don't pedwarn for forward declarations of enum types
2395 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2398 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2400 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2402 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2404 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2405 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2407 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2409 * cpphash.h (struct cpp_reader): New saved_flags.
2410 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2411 to avoid a paste after a pasted token.
2413 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2415 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2416 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2417 Wtype_MIN instead of LONG_MIN.
2419 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2421 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2423 * fixinc/fixincl.x: Regenerated.
2424 * fixinc/inclhack.def (irix_limits_const): New definition to
2425 convert "const" to "__const" in limits.h.
2427 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2429 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2431 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2433 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2434 when register dies in the insn.
2436 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2438 * diagnostic.c (fatal): Fix word wrap.
2440 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2442 * combine.c (try_combine): Fix SUBREG setting for
2443 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2445 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2447 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2450 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2452 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2454 * toplev.c (decode_W_option): Update warn_larger_than
2455 unconditionally for each processed switch.
2457 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2459 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2461 (hppa_expand_prologue): Delete code to save pic offset table register
2462 in the function prologue.
2463 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2464 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2465 table register at the beginning of the function after the prologue.
2467 2001-01-29 lars brinkhoff <lars@nocrew.org>
2469 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2471 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2472 Jeff Law <law@redhat.com>
2474 * pa.md (return): Revise comment for trivial return.
2475 (return_internal): Non-trivial return pattern for non-PIC code.
2476 (return_internal_pic): Non-trivial return pattern for PIC code.
2477 It uses the PIC register to ensure it is restored after
2479 (epilogue): Generate appropriate return for PIC and non-PIC code.
2481 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2483 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2485 2001-01-29 DJ Delorie <dj@redhat.com>
2487 * combine.c (if_then_else_cond): Pass the correct mode to
2488 operand_subword() for constants.
2490 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2492 * config/i386/cygwin.h: Add w32api to include search. Search different
2493 directories in a cross-build environment.
2495 2001-11-29 Tim Josling <tej@melbpc.org.au>
2497 * tree.h (TYPE_STUB_DECL): Add documentation.
2499 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2501 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2502 (sdbout_field_types): Likwise. Fix use of host_integerp.
2504 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2506 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2509 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2511 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2512 to use flag_gnu_linker.
2514 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2516 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2517 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2519 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2521 * tree.c, tree.h (build_parse_node): Remove; was identical to
2523 * c-lang.c (start_cdtor), objc/objc-act.c
2524 (build_module_descriptor): Use build_nt instead of
2527 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2529 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2530 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2531 not have any upper bits set.
2533 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2535 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2537 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2539 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2541 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2543 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2544 (integer_minus_one_node): Define.
2546 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2548 * Makefile.in (bootstrap2-lean): Fix typo.
2550 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2552 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2553 : Don't set fe_value.
2554 * cpplib.h (AVOID_LPASTE): New flag.
2555 (struct cpp_hashnode): Remove fe_value.
2556 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2557 * cppmacro.c (builtin_macro): Don't set flags here.
2558 (replace_args): Set AVOID_LPASTE flag on first token of an
2559 argument, and the token following it.
2560 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2561 macro expansion, and on the token following it. Do it for
2563 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2565 2001-01-27 Richard Henderson <rth@redhat.com>
2567 * config/alpha/t-ieee: Remove multilibbing.
2568 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2570 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2572 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2574 * Makefile.in: Remove all dependencies on defaults.h.
2575 * builtins.c: Don't include defaults.h.
2576 * c-common.c: Likewise.
2577 * c-decl.c: Likewise.
2578 * c-pragma.c: Likewise.
2579 * c-typeck.c: Likewise.
2580 * combine.c: Likewise.
2582 * frame-ia64.c: Likewise.
2583 * cppexp.c: Likewise.
2584 * crtstuff.c: Likewise.
2585 * dbxout.c: Likewise.
2586 * dwarf2out.c: Likewise.
2587 * dwarfout.c: Likewise.
2588 * emit-rtl.c: Likewise.
2589 * except.c: Likewise.
2591 * final.c: Likewise.
2592 * frame-dwarf2.c: Likewise.
2593 * libgcc2.c: Likewise.
2594 * optabs.c: Likewise.
2595 * profile.c: Likewise.
2596 * sdbout.c: Likewise.
2597 * toplev.c: Likewise.
2598 * tradcif.y: Likewise.
2600 * varasm.c: Likewise.
2602 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2604 * builtins.c (expand_builtin_fputs): Use size_one_node when
2605 transforming into fwrite.
2607 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2609 * extend.texi (Attribute Syntax): New section.
2611 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2613 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2614 they didn't need fixing.
2616 2001-01-27 Janis Johnson <janis@us.ibm.com>
2618 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2620 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2621 to remove macro definitions that are duplicated from elfos.h.
2623 2001-01-27 Richard Henderson <rth@redhat.com>
2625 * config/i386/sco5gas.h: Move ...
2626 * config/usegas.h: ... here.
2627 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2629 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2631 * c-typeck.c (struct constructor_stack): Add range_stack member.
2632 (really_start_incremental_init): Clear it.
2633 (push_init_level): Save constructor_range_stack and clear it if
2634 pushing explicit braces.
2635 (pop_init_level): abort if constructor_range_stack is non-zero at
2636 explicit closing brace. Restore saved constructor_range_stack if
2639 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2641 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2642 into register was forced into memory.
2644 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2646 * Makefile.in: Remove uses of + before $(MAKE).
2648 2001-01-26 Richard Henderson <rth@redhat.com>
2650 * stmt.c (cost_table): Remove.
2651 (COST_TABLE, cost_table_initialized): New.
2652 (estimate_case_costs): Use the later instead of the former.
2653 (balance_case_nodes): Likewise.
2655 2001-01-26 Richard Henderson <rth@redhat.com>
2657 * alias.c (objects_must_conflict_p): Read-only slots may not
2658 conflict despite having the same type.
2660 2001-01-27 Michael Hayes <mhayes@redhat.com>
2662 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2664 (check_ext_dependant_givs): Initialise u_start_val and
2666 (load_mems): Make last_max_reg unsigned.
2667 (try_swap_copy_prop): Use INSN_P and initialise set.
2669 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2671 * README.AVR : Removed.
2673 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2675 * pa-64.h (text_section): Remove declaration.
2677 * pa.md (return_internal): Remove mode on PIC register use.
2679 2001-01-25 lars brinkhoff <lars@nocrew.org>
2681 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2682 ASM_CLOSE_PAREN): fix typos.
2684 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2686 * acconfig.h: Define `const' to the empty string if neither
2687 __STDC__ nor __cplusplus is defined.
2688 * config.in: Regenerated.
2690 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2692 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2693 * collect2.c (main): Delete importf. Add ".obj" file extension.
2694 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2695 (aix_std_libs): Add additional AIX libraries to skip.
2696 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2697 * config/rs6000/aix51.h: New file.
2699 2001-01-25 Michael Hayes <mhayes@redhat.com>
2701 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2702 (loop_insn_emit_before): No longer static.
2703 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2704 (loop_givs_rescan, load_mems): Likewise.
2705 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2706 (maybe_eliminate_biv_1):
2707 (move_movables): Replace emit_call_insn_before with
2708 loop_call_insn_hoist.
2709 * loop.h (loop_insn_emit_before): Add.
2710 * unroll.c (copy_loop_body): Replace emit_insn_before with
2711 loop_insn_emit_before.
2713 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2715 * diagnostic.c (fatal): Request preprocessed source.
2717 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2719 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2720 olddecl has argument types and newdecl has none, use the argument
2723 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2725 * dwarf2out.c (prefix_of): New function. Determine longest common
2726 prefix of the two arguments. The units are whole path components.
2727 (output_file_names): When adding a new directory find the one entry
2728 with the longest common prefix already in the list. Artificially
2729 generate entry if there is none for this prefix.
2730 Fix test to check whether the zeroth directory entry is used.
2732 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2734 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2735 Changed all callers. Take it into account when deciding if a
2736 previously loaded value matches.
2738 2001-01-24 Richard Henderson <rth@redhat.com>
2740 * reload.c (find_reloads_subreg_address): Fail the substitution
2741 if the resulting address is insufficiently aligned.
2743 2001-01-24 DJ Delorie <dj@redhat.com>
2745 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2746 check the original operand's mode also.
2747 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2749 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2751 * c-parse.in (cast_expr): Move compound literals from here ...
2752 (primary): ... to here. Use standard terminology "compound
2753 literal" instead of "constructor expression".
2755 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2757 * gcc.1, cpp.1: Regenerate.
2759 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2761 * calls.c (emit_library_call_value_1): Memory slot for
2762 pass-by-reference argument should have the mode of the argument,
2763 not of the pointer to it.
2765 2001-01-24 Tom Tromey <tromey@redhat.com>
2767 * gcc.texi (G++ and GCC): Mention gcj manual.
2768 (Standards): Link to section of manual mentioning gcj/Java
2771 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2773 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2774 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2775 * tradcpp.c (main): Add -imacros or -include'd dependencies
2777 * cpp.texi (-M, -MM): Document -M -include behaviour.
2779 2001-01-24 Roger Collins <roger@ProProject.com>
2781 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2783 2001-01-24 Will Cohen <wcohen@redhat.com>
2785 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2786 whether registers are 32 bits or 64 bits in size.
2788 2001-01-24 Ben Elliston <bje@redhat.com>
2790 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2792 2001-01-24 Richard Henderson <rth@redhat.com>
2794 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2795 (builtin_longjmp): Use it instead of emit_indirect_jump.
2797 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2799 * bb-reorder.c (make_reorder_chain_1): Handle case where
2800 jump edge goes to the same block as the fallthru edge.
2802 2001-01-23 Jim Wilson <wilson@redhat.com>
2804 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2805 * frame.h (__ia64_personality_v1): Add prototype.
2806 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2807 prototype form. Add void * cast to first argument to personality
2809 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2810 (asctoe113): Likewise.
2811 * config/ia64/frame-ia64.c: Include eh-common.h.
2812 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2814 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2816 (itanium_split_issue): Add prototype.
2817 (gen_nop_type): Ifdef out.
2818 (find_best_packet): Initialize best_packet.
2819 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2821 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2822 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2823 (flushrs): Add explicit stop bit at end.
2824 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2827 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2829 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2831 * libgcc2.c (__terminate_func): Make variable static.
2832 (__terminate_set_func): New function to set __terminate_func.
2833 * libgcc2.h (__terminate_func_ptr): New typedef.
2834 (__terminate_set_func): New function.
2836 2001-01-23 Richard Henderson <rth@redhat.com>
2838 * flow.c (init_propagate_block_info): Don't consider unchanging
2839 memories for dead frame store elimination.
2841 2001-01-23 Richard Henderson <rth@redhat.com>
2843 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2844 * defaults.h: ... here.
2846 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2848 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2850 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2852 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2854 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2856 * rs6000.h (rs6000_return_addr): Move prototype from here...
2857 * rs6000-protos.h (rs6000_return_addr): ...to here.
2858 (rs6000_init_expanders): Delete prototype.
2860 2001-01-23 Nick Clifton <nickc@redhat.com>
2862 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2863 (Spec Files): Document %B and %j and %. and %v3 and %M and
2864 %{S*&T} spec switches.
2866 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2868 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2870 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2871 Neil Booth <neil@daikokuya.demon.co.uk>
2873 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2874 Have -Werror make pedantic warnings errors, like the
2877 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2879 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2881 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2883 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2884 * integrate.c (expand_inline_function): Initialize them.
2885 (subst_constants): If changing COMPARE so that both its arguments
2886 will be VOIDmode and the comparison mode will be lost, note
2887 compare_mode. Use the recorded compare_mode to optimize
2890 2001-01-23 Jason Merrill <jason@redhat.com>
2892 * dwarf2out.c (new_die): Use xcalloc.
2893 (output_die): Abort rather than emit a local reference to offset 0.
2895 2001-01-17 Andrew Haley <aph@redhat.com>
2897 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2898 of a saved register; return NULL instead.
2899 (copy_reg): Take a pointer to a source register rather than a
2901 (next_stack_level): Remember the address in the stack frame of all
2903 Use the saved register pointer array as the source of the CFA.
2904 (throw_helper): Rewrite. Unwind once rather than twice and keep
2905 track of saved registers as we go.
2907 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2909 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2910 * c4x.c (c4x_legitimize_reload_address): Remove.
2911 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2912 reload address for ldp(k) insn.
2914 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2916 * pa.md (return_internal): Add a USE of the PIC register to ensure
2917 it is restored after each call.
2918 (return expander): Corresponding changes.
2920 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2922 * rs6000.h (INIT_EXPANDERS): Delete.
2923 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2924 * rs6000.c (rs6000_override_options): Call *_machine_status from
2926 (rs6000_init_expanders): ...instead of here. Delete.
2927 (rs6000_mark_machine_status): New function.
2928 (rs6000_init_machine_status): Use xcalloc.
2929 (rs6000_return_addr): Generate RTX for the return address.
2930 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2931 (rs6000_stack_info): Use it.
2933 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2935 * gthr-win32.h: Include errno.h to get a declaration for
2936 EINVAL and _mingw.h if the target is mingw32.
2938 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2940 * cpp.texi: Correct typos.
2942 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2944 * explow.c (probe_stack_range): Ensure value passed to
2945 stack_check_libfunc is ptr_mode, not Pmode.
2947 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2949 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2950 case, don't use operand_subword to calculate a SUBREG that is
2953 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2955 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2957 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2958 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2959 valid. If not replace it by equivalent insns.
2961 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2963 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2964 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2965 (c4x_U_constraint, symbolic_address_operand): Likewise.
2966 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2968 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2969 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2970 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2971 anulling slot because of silicon bug.
2972 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2974 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2976 * cppexp.c (parse_charconst): Change `mask' type to agree
2979 2001-01-21 Richard Henderson <rth@redhat.com>
2981 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2982 pic_label_name in a linkonce section.
2984 2001-01-17 Philipp Thomas <pthomas@suse.de>
2986 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2988 * configure: Regenerate.
2990 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2992 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2993 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2995 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2997 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2998 If REVERSE nonzero then condition code in X must be reversed.
2999 (encode_section_info): Optimise if/else.
3000 (avr_function_value): Fix formatting.
3002 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3003 (difficult_branch): Likewise.
3004 (rvbranch): Likewise.
3005 (difficult_rvbranch): Likewise.
3007 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3009 * config/avr/libgcc.S: Fix comment.
3011 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3013 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3015 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3017 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3019 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3021 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3022 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3023 * configure, config.in: Regenerate.
3024 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3025 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3026 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3027 (doprint.o): New rule.
3029 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3031 * c-typeck.c (digest_init): Handle boolean types as scalars.
3033 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3035 * stmt.c (expand_return): Don't return anything if size is zero.
3036 Delete redundant assignment to BYTES.
3037 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3039 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3041 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3042 the same as the default library function names.
3043 * config/avr/avr.md: Document special characters after '%'.
3044 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3045 knowing which of the call-used registers are really clobbered.
3046 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3047 New. Both quotient and remainder from one libgcc.S call.
3048 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3049 clobber as few registers as possible.
3050 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3052 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3054 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3055 context of the top of the stack.
3057 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3059 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3060 (fixup_var_refs_insns): ...here.
3062 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3064 * function.c (fixup_var_refs_insns): Break up into
3065 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3066 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3067 [loop over hash table entries].
3068 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3069 fixup_var_refs_insns_with_hash, to match above changes.
3071 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3073 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3074 (libgcc.a): Likewise.
3075 (stmp-multilib): Likewise.
3076 (STAGE2_FLAGS_TO_PASS): Likewise.
3078 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3080 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3081 temporary if no_new_pseudos.
3083 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3085 * cppinternals.texi: Update.
3087 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3089 * arm.c (arm_init_builtins): Re-enable builtins.
3091 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3093 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3094 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3095 element to be null, and always expect an EXPR_LIST.
3096 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3097 * sched-deps.c (sched_analyze_1): Likewise.
3098 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3100 * regclass.c (max_set_parallel): New variable.
3101 (reg_scan): Take it into account in computation of max_parallel.
3102 (reg_scan_mark_refs, case SET): Compute it.
3104 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3106 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3107 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3109 2001-01-19 Jason Merrill <jason@redhat.com>
3111 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3112 for the abstract instance of an inline function.
3114 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3115 J"orn Rennecke <amylaar@redhat.com>
3117 * reload1.c (move2add_note_store): Treat all registers directly or
3118 indirectly derived from a base register as members of the same set
3120 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3121 of base register into account.
3123 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3125 * alias.c (find_base_value): Recognize TRUNCATE.
3126 (record_set): In PLUS case, invalidate if other summand is also a
3129 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3131 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3132 entry to be EXPR_LIST.
3133 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3134 be an EXPR_LIST (but not null, which other code doesn't allow).
3135 (note_stores): Properly handle PARALLEL in SET.
3136 Recursively call for top-level PARALLEL.
3137 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3138 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3140 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3142 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3144 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3145 not pfile->skipping (== 0).
3147 2001-01-17 Nick Clifton <nickc@redhat.com>
3149 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3152 2001-01-17 Jim Wilson <wilson@redhat.com>
3154 * invoke.texi (IA-64 options): Improve.
3156 2001-01-17 Tom Tromey <tromey@redhat.com>
3158 * invoke.texi (Optimize Options): Use `{}' to around @samp
3161 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3163 * invoke.texi (-fno-guess-branch-probability): New option.
3165 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3167 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3168 case of making new double-word constant.
3169 Revert last change: instead just test i3_subst_into_i2.
3171 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3173 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3174 Use q constraints instead of r.
3176 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3178 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3179 (machine_function): Define.
3180 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3181 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3182 pa_free_machine_status): New functions.
3183 (override_options): Set {init,mark,free}_machine_status to above.
3184 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3185 PIC_OFFSET_TABLE_REGNUM_SAVED.
3186 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3187 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3188 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3189 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3190 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3192 2001-01-15 DJ Delorie <dj@redhat.com>
3194 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3198 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3200 * flow.c (propagate_on_insn): Make trying to delete a prologue
3201 or epilogue insn an ICE, not a warning. Allow doing this if
3202 the current function returns with stack pointer depressed.
3204 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3205 I3 having more than one SET.
3207 2001-01-16 Jim Wilson <wilson@redhat.com>
3209 * invoke.texi: Document IA-64 options.
3211 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3212 (fixup_errata): Delete TARGET_A_STEP use.
3213 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3214 (TARGET_SWITCHES): Delete -ma-step option.
3215 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3216 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3217 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3218 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3219 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3220 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3222 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3223 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3224 cmovsi_internal): Delete ! TARGET_A_STEP check.
3226 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3228 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3229 possibility to report bugs via postal mail. Change a URL and
3230 merge in a nearly duplicate statement...
3231 (Bug Reporting): ...from here.
3232 (Service): Refer to the Bug Reporting section instead of
3234 (Contributing): Remove trivial explanations concerning snapshots.
3236 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3238 * cppmain.c (general_init): Don't use ANSI prototype.
3240 2001-01-16 Tom Tromey <tromey@redhat.com>
3242 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3244 2001-01-16 Richard Henderson <rth@redhat.com>
3246 * config/i386/i386.h: Fix comment typo.
3247 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3248 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3250 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3252 * gcc.c: Revert previous -fsyntax-only-related change; move
3255 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3257 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3258 inmode after checking GET_CODE (op).
3260 2001-01-16 Richard Henderson <rth@redhat.com>
3262 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3263 (MAX_MEM_SET_LIST_LEN): New.
3264 (propagate_one_insn): Update mem_set_list_len.
3265 (invalidate_mems_from_autoinc): Likewise.
3266 (invalidate_mems_from_set): Likewise.
3267 (mark_used_regs): Likewise.
3268 (init_propagate_block_info): Likewise. Stop collecting memories
3269 when we reach MAX_MEM_SET_LIST_LEN.
3270 (mark_set_1): Likewise.
3272 2001-01-16 Richard Henderson <rth@redhat.com>
3274 * unroll.c (precondition_loop_p): Fail if no iteration
3277 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3279 * gcc.c: When -fsyntax-only is given, do not complain about
3282 2001-01-15 Richard Henderson <rth@redhat.com>
3284 * config/i386/i386.c (asm_output_function_prefix): Remove.
3285 (ix86_asm_file_end): New.
3286 (load_pic_register): Generate pic_label_name into a
3287 staticly allocated buffer.
3288 * config/i386/i386-protos.h: Update.
3289 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3290 (ASM_FILE_END): New.
3291 * config/i386/i386afe.h: New file.
3292 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3293 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3294 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3295 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3296 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3297 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3298 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3300 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3302 * Makefile.in (install-man): Remove explicit dependency on
3305 * configure.in, configure: Revert previous patch requiring perl
3308 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3310 * toplev.c (flag_guess_branch_prob): New.
3311 (f_options): Add guess-branch-probability option.
3312 (rest_of_decl_compilation): Only estimate branch probability if
3314 (main): set flag_guess_branch_prob.
3316 * flags.h (flag_guess_branch_prob): New.
3318 2001-01-15 DJ Delorie <dj@redhat.com>
3320 * gcc.texi (Makefile): Add documentation for Makefile targets.
3322 2001-01-15 Philip Blundell <philb@gnu.org>
3324 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3326 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3327 (is_pic): Delete declaration.
3328 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3329 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3330 * config/arm/arm.md (builtin_setjmp_receiver): New.
3332 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3334 * arm.c (use_return_insn): Don't try to determine the function type
3335 until after reload has completed.
3336 (arm_output_epilogue): Don't adjust the sp value recovered from the
3338 (emit_multi_reg_push): Don't record dwarf information for the pc.
3339 * arm.md (eh_epilogue): The function type may have changed, so it
3340 needs to be recalculated.
3341 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3342 unwind tables on arm/netbsd.
3344 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3346 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3347 (negated_cbranchsi4): Likewise.
3349 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3351 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3352 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3353 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3354 pass -mapcs-* options to assembler.
3355 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3356 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3357 (ASM_SPEC): Call subtarget_extra_asm_spec.
3359 2001-01-15 Andreas Jaeger <aj@suse.de>
3361 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3363 (ix86_expand_builtin): Likewise.
3365 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3366 warning about comparison between signed and unsigned.
3368 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3370 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3372 2001-01-14 Ralf Baechle <ralf@gnu.org>
3374 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3375 SUBTARGET_CPP_SPEC apropriatly.
3377 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3379 * varasm.c (make_decl_rtl): Fix typo in last change.
3381 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3383 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3384 linker supports the init_priority C++ attribute.
3385 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3386 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3387 linker does not support init_priority C++ attribute.
3389 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3391 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3393 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3395 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3396 * cp/lex.c (finish_parse): Similarly.
3397 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3398 Return the number of errors encountered.
3399 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3400 * cppmain.c (main): Don't call cpp_destroy.
3402 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3404 * configure.in: Require at least perl 5.6.0 to regenerate
3406 * configure: Regenerate.
3408 2001-01-14 Richard Henderson <rth@redhat.com>
3410 * genrecog.c (DT_veclen_ge): New.
3411 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3412 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3413 (nodes_identical_1): Handle DT_veclen_ge.
3414 (write_cond, debug_decision_2): Likewise.
3416 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3418 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3420 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3422 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3424 * cppmain.c (do_preprocessing): New function; most of the old
3426 (main): Call it to do most of the work.
3427 (cb): Move from global scope to set_callbacks ().
3428 (setup_callbacks): Get the callback pointer.
3429 (general_init, printer_init): Clean up code and comments.
3431 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3433 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3436 2001-01-14 Kazu Hirata <kazu@hxi.com>
3438 * config/h8300/h8300.c (get_shift_alg): Update comments.
3440 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3442 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3443 (alloc_page, ggc_alloc): Add casts to remove warnings.
3445 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3447 * combine.c (simplify_comparison): Don't change `code' when
3448 can't reverse comparison.
3450 2001-01-14 Richard Henderson <rth@redhat.com>
3452 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3453 update all call sites. Return true for all non-label constants.
3455 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3457 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3459 (ix86_expand_branch): Update.
3460 (ix86_expand_setcc): Update to handle multiple test conditions.
3461 (expand_int_movcc): Likewise.
3462 (expand_fp_movcc): Likewise.
3463 * i386-protos.h (ix86_expand_compare): New.
3464 * i386.md (andqi_?_slp, orqi_?_slp): New.
3465 (conditional trap expander): Update call to ix86_expand_compare.
3467 2001-01-14 Richard Henderson <rth@redhat.com>
3469 * config/vax/vax.md: Use nonimmediate_operand instead of
3470 general_operand in destinations.
3472 * config/vax/vax.md (indirect_jump): Use register_operand.
3474 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3475 * config/vax/vax.md (call_pop): Turn into an expander.
3476 (call_value_pop): Likewise.
3477 (call, call_value): New.
3479 2001-01-14 Andreas Jaeger <aj@suse.de>
3481 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3483 (ix86_fp_compare_mode): Add unused attribute.
3484 (ix86_expand_fp_movcc): Remove unused variable.
3485 (ix86_expand_builtin): Make fcode unsigned.
3487 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3488 (expand_expr): Add cast to avoid signed warning.
3489 (store_field): Likewise.
3490 (store_constructor_field): Likewise.
3491 (store_constructor): Likewise.
3492 (store_expr): Likewise.
3493 (clear_storage): Likewise.
3494 (emit_group_store): Likewise.
3495 (emit_group_load): Likewise.
3497 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3499 * c-common.c: Move format checking code to ...
3500 * c-format.c: ... here. New file. Reorder some functions and
3502 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3504 * c-common.h (decl_handle_format_attribute,
3505 decl_handle_format_arg_attribute): Declare.
3506 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3507 (c-common.o): Adjust dependencies.
3508 (c-format.o): New list of dependencies.
3510 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3512 * unroll.c (loop_iterations): If we cannot prove iteration variable
3513 is set once in each iteration, punt.
3515 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3517 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3518 (*strlenhi): Remove clobber (which was buggy) of output address.
3520 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3522 * Makefile.in (generated-manpages): Add gcc.1
3523 ($(srcdir)/gcc.1): New target.
3524 (maintainer-clean): Delete $(srcdir)/gcc.1.
3525 * gcc.texi: Add macros @gccoptlist and @gol.
3526 * invoke.texi: Include option summary in manpage. Mark up option
3527 summary with @gccoptlist and @gol. Use @r in one place where
3529 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3530 * gcc.1: Generate from invoke.texi.
3532 2001-01-13 Richard Henderson <rth@redhat.com>
3534 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3535 (struct page_entry): Add group member.
3536 (struct page_group): New.
3537 (struct globals): Add page_groups member.
3538 (alloc_anon): Only define for using mmap; remove valloc call.
3539 (page_group_index): New.
3540 (set_page_group_in_use): New.
3541 (clear_page_group_in_use): New.
3542 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3543 (free_page, release_pages): Likewise.
3544 * configure.in (with-gc): Default to ggc-page always.
3546 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3548 * reload1.c (replace_pseudos_in_call_usage): Use
3549 reg_equiv_constant and reg_equiv_address, and don't try
3550 regno_reg_rtx first.
3552 2001-01-13 Richard Henderson <rth@redhat.com>
3554 * ggc-page.c (alloc_page): Round up allocation size to one page.
3555 Set e->order on extra pages.
3557 2001-01-13 Richard Henderson <rth@redhat.com>
3559 * genrecog.c (nodes_identical): Expand commentary.
3560 (write_switch): Watch out for identical nodes.
3562 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3564 * cppfiles.c (_cpp_fake_include): New function.
3565 * cpphash.h (_cpp_fake_include): New.
3566 * cpplib.c (do_line): Call _cpp_fake_include when entering
3567 header files in preprocessed input.
3568 * cppmain.c (cb_pragma_implementation): Remove handling.
3569 (setup_callbacks): Don't register pragmas.
3571 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3573 * extend.texi: Udate for CPP.
3575 2001-01-13 Andreas Jaeger <aj@suse.de>
3577 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3579 * regmove.c: Add prototype for replace_in_call_usage.
3581 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3583 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3584 struct cpp_chunk, struct htab, struct toklist,
3585 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3586 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3587 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3588 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3589 (struct macro_args): Delete.
3590 * cpphash.h: See above.
3592 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3594 * cppmain.c (struct printer): Remove no_line_dirs.
3596 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3597 : Use options rather than CPP_OPTION.
3598 (setup_callbacks): Use cb rather than pfile->cb.
3599 (main): No need to check for a buffer. Use cpp_errors.
3600 (printer_init): Don't set no_line_dirs.
3601 (maybe_print_line): Use options not no_line_dirs.
3602 (cb_file_change): Don't call print_line if -P.
3604 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3606 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3608 * c-parse.in (finish_parse): Use cpp_errors.
3609 (__yylex): Use return value of cpp_pop_buffer.
3610 * cp/lex.c (finish_parse): Use cpp_errors.
3611 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3613 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3615 * README.AVR: URLs corrected.
3617 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3619 * c-decl.c (start_function): Don't warn if old prototype is builtin
3620 that's not in C's namespace.
3621 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3622 (_bb): Add prototype for ctime.
3623 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3625 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3627 * i386.c (ix86_fp_comparison_arithmetics_cost,
3628 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3629 ix86_fp_comparison_cost): New functions.
3630 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3631 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3632 two-branch sequences; make static.
3633 (ix86_use_fcomi_compare): Do decision according to the costs.
3634 (split_fp_branch): New.
3635 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3636 * i386-protos.h (ix86_expand_fp_compare): Remove
3637 (ix86_split_fp_branch): Declare.
3639 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3640 and ix86_comparison_operator.
3642 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3645 * i386.c (put_condition_code): Output properly the unordered/ordered
3646 compares in fp case.
3647 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3649 * tm.texi (REVERSE_CONDITION): Document.
3650 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3651 in -ffast-math mode.
3652 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3654 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3656 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3658 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3661 * config/sh/sh.c (mova_p): Fix test for mova_const.
3663 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3665 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3666 cpp_get_options rather than dereferencing pfile and using
3668 * scan-decls.c (scan_decls): Use return value of
3669 cpp_pop_buffer rather than CPP_BUFFER.
3671 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3673 * cppinit.c (cpp_handle_option): help_only is now part of the
3674 cpp_options structure.
3675 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3676 cpp_set_callbacks): New functions.
3677 * cpplib.h (cpp_callbacks): Break out as a named structure.
3678 (cpp_options): Move help_only here from cpp_reader.
3679 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3680 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3681 cpp_set_callbacks): New prototypes.
3682 * cppmain.c (main): Update for help_only.
3684 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3686 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3687 Also build and remove and install and uninstall c-tree.info and
3689 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3690 ($(srcdir)/cppinternals.info): New target.
3691 * c-tree.texi: Change file name used when makeinfo used without -o
3692 from ir.info to c-tree.info. Add info directory entry.
3693 * cppinternals.texi: Add info directory entry.
3694 * .cvsignore: Update.
3696 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3698 * c-typeck.c (store_init_value): Don't require constant initializer
3699 elements with -pedantic -std=c99.
3700 (digest_init): Change error about non-constant initializer elements
3702 (constructor_range_end): Remove.
3703 (constructor_incremental, designator_depth,
3704 designator_errorneous): New variables.
3705 (struct constructor_stack): Remove range_end, add incremental.
3706 (struct constructor_range_stack, constructor_range_stack): New.
3707 (struct initializer_stack): Add constructor_range_stack.
3708 (finish_init): Set it.
3709 (start_init): Likewise. require_constant_elements for non-static
3710 trees only if not flag_isoc99.
3711 (really_start_incremental_init): Remove constructor_range_end, add
3712 constructor_incremental.
3713 (pop_init_level): Likewise.
3714 (push_init_level): Likewise. If implicit and the subobject had some
3715 value set already, preinitialize the level with it.
3716 Warn about missing braces only if not pushing due to designators.
3717 (set_designator, push_range_stack): New functions.
3718 (set_init_label): Use them.
3719 (set_init_index): Likewise. Remove constructor_range_end.
3720 Error if designator index is outside of array bounds.
3721 (add_pending_init): Compare values of purpose index trees, not the
3722 trees themselves. Allow overwriting of already initialized element.
3723 Issue a warning if it had side-effects.
3724 (set_nonincremental_init, set_nonincremental_init_from_string): New
3726 (pending_init_member): Rename to...
3727 (find_init_member): ...this function. Call set_nonincremental_init
3728 if necessary. Compare values of purpose index trees, not the trees
3729 themselves. Return the actual value, not just non-zero if something
3731 (output_init_element): Remove checks for duplicates.
3732 If field has zero size, only check the initializer for correctness.
3733 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3734 if constructor_incremental is zero. Change error about initializers
3735 not computable at load time into pedwarn.
3736 (output_pending_init_elements): Compare bit positions, not
3737 FIELD_DECLs to take into account zero-sized fields.
3738 (process_init_element): Use constructor_range_stack to fill all
3739 ranges in the designator lists from current level up.
3740 * extend.texi: Update documentation for labeled elements.
3742 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3744 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3745 to function usage for arguments passed by reference. Optimize
3746 callee-copied arguments.
3747 * regmove.c (replace_in_call_usage): New function.
3748 (fixup_match_1): Call it.
3749 * cse.c (cse_insn): Canonicalize registers in function usage.
3750 * reload1.c (replace_pseudos_in_call_usage): New function.
3753 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3756 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3758 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3761 2001-01-12 DJ Delorie <dj@redhat.com>
3763 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3764 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3767 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3769 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3770 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3771 -std options alongside references to -ansi. Update some
3772 documentation for C99.
3773 * cpp.1: Regenerate.
3775 2001-01-12 Andreas Jaeger <aj@suse.de>
3777 * haifa-sched.c (restore_line_notes): Remove argument block B
3779 * sched-ebb.c (schedule_ebb): Change caller.
3780 * sched-rgn.c (schedule_region): Likewise.
3781 * sched-int.h (restore_line_notes): Adjust prototype.
3783 * loop.h: Remove wrong declaration of doloop_condition_get.
3785 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3787 * extend.texi: Move C++-extension-related node from the C section
3788 into the C++ section.
3790 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3792 * extend.texi: Refer to an array of pointers to functions instead
3793 of one of functions.
3795 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3796 Jan Hubicka <jh@suse.cz>
3798 * combine.c (reversed_comparison): Fix typo in last patch.
3800 (combine_reversed_comparison_code): Make static to follow
3801 prototype declaration.
3803 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3805 * install.texi: Remove misplaced duplicate entry.
3807 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3809 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3811 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3813 * final.c: (leaf_function_p): Fix typo.
3815 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3817 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3818 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3820 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3821 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3822 mmap_anon, and valloc is available.
3823 * ggc-page.c: Restructure ifdef logic to match new autoconf
3824 spec. Don't throw away the test page in init_ggc.
3826 * configure, config.in: Regenerate.
3828 2001-01-12 Michael Hayes <mhayes@redhat.com>
3830 * loop.h (total_biv_increment): Constify iv_class pointer.
3831 (struct induction): Replace `mem_mode' with `mem' rtx.
3832 * unroll.c (total_biv_increment): Constify iv_class pointer.
3833 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3834 (find_mem_givs, combine_givs_p): Likewise.
3835 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3837 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3839 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3841 (__gthread_getspecific): Ditto.
3843 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3845 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3846 put_condition_code): Convert fp comparison codes to integer
3848 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3851 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3852 * i386-protos.h (no_comparison_operator): Kill.
3854 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3856 * combine.c (REVERSIBLE_CC_MODE): Remove.
3857 (reversible_comparison_p): Remove.
3858 (combine_reversed_comparison_code): New.
3859 (reversed_comparison): New.
3860 (combine_simplify_rtx): Use
3861 combine_reversed_comparison_code/reversed_comparison instead
3862 of reversible_comparison_p.
3863 (simplify_if_then_else): Likewise.
3864 (simplify_set): Likewise.
3865 (simplify_logical): Likewise.
3866 (if_then_else_cond): Likewise.
3867 (known_cond): Likewise.
3868 (simplify_comparison): Likewise.
3870 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3872 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3873 sizeof (int) is larger than sizeof(__word__).
3875 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3877 * cppinit.c (do_includes): Fix typo.
3879 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3881 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3882 in S_REGS does not occur because not all sources are possible
3883 when a S_REGS is a destination (sometimes needs a clobber).
3884 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3885 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3886 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3887 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3888 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3889 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3890 (lshrdi_const1, lshrsi3_const16): Likewise.
3891 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3892 (*movhi_68hc12, *movqi_68hc12): Likewise.
3893 (movstrictqi): Make sure reloading in D_REGS as a destination
3896 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3898 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3900 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3902 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3903 -D, -U and -A, and don't initialize the builtins.
3904 (do_includes): Error if -include or -imacros with -fpreprocessed.
3905 * cppmain.c (cb_define, cb_undef): Unconditionally process
3907 * tradcpp.c (main): Fix typo.
3909 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3911 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3912 (read_name_map): Use IS_ABSOLUTE_PATH.
3913 * tradcpp.c (get_filename): Likewise.
3915 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3917 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3918 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3919 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3920 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3921 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3922 (cmphi_z_used): Don't use '@' for the output.
3923 (tstqi_z_used): Likewise.
3924 (cmpqi_z_used): Likewise.
3925 (one_cmplsi2): Likewise.
3927 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3929 * config/sh/sh.c (barrier_align): Recognize branch around far
3930 branch and redundant insn.
3932 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3934 * invoke.texi: Restore documentation of the drivers' switches -MD
3937 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3939 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3941 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3942 check-objc//%): Support parallel testing of multilibs.
3943 (TESTSUITEDIR): Set to testsuite by default, but override for
3945 (check-gcc, check-g++, check-g77, check-objc): Enter
3948 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3950 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3951 * sched-deps.c (deps_may_trap_p): Likewise.
3952 * basic-block.h: Remove a comment.
3953 * flow.c (PROP_POSTRELOAD): Remove.
3954 (update_life_info): Don't add it to prop_flags.
3955 (mark_set_1): Lose the code that was enabled by it.
3957 2001-01-11 Michael Hayes <mhayes@redhat.com>
3959 * flow.c (flow_call_edges_add): New.
3960 * basic_block.h (flow_call_edges_add): New.
3962 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3964 * reload1.c (move2add_note_store): Update reg_set_luid even if
3965 base reg remains the same.
3967 2001-01-10 Nick Clifton <nickc@redhat.com>
3969 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3970 machine_function structure to zero.
3971 Add prototypes for machine_status functions.
3973 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3975 * c-common.h (CTI_VOID_LIST): Remove.
3976 (void_list_node): Likewise.
3977 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3978 (void_list_node): New macro.
3979 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3980 * config/i386/i386.c (ix86_init_builtins): Likewise.
3981 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3983 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3985 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3986 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3988 * tradcpp.c: Include mkdeps.h.
3989 (deps, print_deps_phony_targets, deps_append, output_deps,
3990 init_dependency_output, output_deps): New.
3991 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3992 deps_output): Delete.
3993 (print_deps_missing_files): Rename deps_missing_files.
3994 (inhibit_output): Make global.
3995 (main): Delete inhibit_output, deps_stream, deps_target.
3996 Use mkdeps functionality in the same way as cpplib. Remove
3997 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3998 -M and -MM. Remove old handling of deps via deps_out, and
3999 old reading of environment variables.
4000 (get_filename): Update to use deps_add_dep.
4002 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4004 * output.h (make_function_rtl): Remove prototype.
4005 (make_decl_rtl): Likewise.
4006 * varasm.c (make_function_rtl): Remove.
4007 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4008 than from a third parameter.
4009 * tree.h (make_decl_rtl): Remove last parameter.
4010 * c-decl.c (builtin_function): Remove last argument in call to
4011 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4012 (start_function): Likewise.
4013 * except.c (call_get_eh_context): Likewise.
4014 * expr.c (emit_block_move): Likewise.
4015 (clear_storage): Likewise.
4016 * profile.c (output_func_start_profiler): Likewise.
4017 * toplev.c (rest_of_decl_compilation): Likewise.
4018 * objc/objc-act.c (create_builtin_decl): Likewise.
4019 (synth_module_prologue): Likewise.
4020 (generate_static_reference): Likewise.
4021 (build_selector_reference_decl): Likewise.
4022 (build_class_reference_decl): Likewise.
4023 (build_objc_string_decl): Likewise.
4024 (build_protocol_reference): Likewise.
4026 2001-01-10 Richard Henderson <rth@redhat.com>
4028 * hwint.h: Revert yesterday's change.
4030 2001-01-10 Nick Clifton <nickc@redhat.com>
4032 * function.h (save_machine_status): Delete.
4033 (restore_machine_status): Delete.
4034 Amend comment describing {init|mark|free}_machine_status.
4036 * function.c (save_machine_status): Delete.
4037 (restore_machine_status): Delete.
4038 Amend comment describing {init|mark|free}_machine_status.
4039 (push_function_context_to): Remove invocation of
4040 save_machine_status.
4041 (pop_function_context_from): Remove invocation of
4042 restore_machine_status.
4044 * emit-rtl.c (init_emit_once): Amend comment describing
4045 {init|mark|free}_machine_status.
4047 * tm.texi (Per-Function Data): New node. Describe the
4048 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4051 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4053 * cppinit.c (OPT_g): Remove.
4054 (cpp_handle_option): Update for removed -g3.
4055 (print_help): Update.
4056 * cpplib.h (struct cpp_options): Remove debug_output.
4057 * cppmain.c (setup_callbacks, cb_define): Update.
4058 * gcc.c (cpp_options): Translate -g3 to -dD.
4060 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4062 * config/i960/i960.md: Change modifier to + on the zero_extract
4063 pattern after the (rotate -2 reg) canonicalization pattern.
4065 2001-01-10 Richard Henderson <rth@redhat.com>
4067 * config/alpha/alpha.c (alpha_free_machine_status): New.
4068 (override_options): Install it.
4069 (alpha_mark_machine_status): Verify machine non-null.
4070 * config/i386/i386.c (ix86_free_machine_status): New.
4071 (override_options): Install it.
4072 (ix86_init_machine_status): Use xcalloc.
4073 (ix86_mark_machine_status): Verify machine non-null.
4074 * config/ia64/ia64.c (ia64_free_machine_status): New.
4075 (ia64_override_options): Install it.
4076 (ia64_mark_machine_status): Verify machine non-null.
4078 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4080 * function.c (instantiate_virtual_regs): Instantiate virtual
4081 registers found in CALL_INSN_FUNCTION_USAGE.
4083 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4085 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4086 equivalent to -ansi in disabling -Di386.
4088 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4090 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4092 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4094 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4096 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4098 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4100 * invoke.texi: Document that -fcond-mismatch isn't supported for
4103 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4105 * gcc.texi: Define macro gcctabopt.
4106 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4107 @command, @env and @option in some places where appropriate. Use
4108 @gcctabopt where appropriate. Put URLs and email addresses inside
4111 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4113 * gcc.c (cpp_options): Set MD file name from output
4114 filename, if specified.
4115 (suffix_subst): New static variable.
4116 (do_spec): Clear it.
4117 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4119 (give_switch): Handle suffix_subst.
4121 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4123 * invoke.texi: Fix another typo.
4125 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4127 * invoke.texi: Fix typo.
4129 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4131 * c-lang.c (lang_hooks): Update.
4132 (lang_decode_option): Remove.
4133 (lang_init_options): Rename c_init_options.
4134 * toplev.c (main): Use lang_hooks for lang_init_options
4135 and lang_decode_option.
4136 * toplev.h (lang_hooks): Add 2 new hooks.
4137 * tree.h: Remove lang_init_options and lang_decode_option.
4138 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4139 * cp/decl2.c: Similarly.
4140 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4141 (lang_hooks): Update.
4142 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4144 (lang_init_options): Rename ffe_init_options.
4145 (lang_hooks): Update.
4146 (lang_decode_option): Remove.
4147 * java/lang.c (lang_init_options): Rename java_init_options.
4148 (lang_decode_option): Rename java_decode_option.
4149 (lang_hooks): Update.
4150 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4151 (lang_decode_option): Rename objc_decode_option.
4152 (lang_hooks): Update.
4154 2001-01-09 Nick Clifton <nickc@redhat.com>
4156 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4157 (d30v_return_addr_rtx): Delete.
4158 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4159 cfun->machine structure.
4160 (struct machine_function): Move to d30v.h
4161 (d30v_save_machine_status): Delete.
4162 (d30v_restore_machine_status): Delete.
4163 (d30v_init_machine_status): New Function.
4164 (d30v_mark_machine_status): New Function.
4165 (d30v_free_machine_status): New Function.
4166 (d30v_init_expanders): Use new functions.
4167 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4168 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4169 d30v_return_addr_rtx.
4171 * config/d30v/d30v.h (struct_machine): Move here.
4172 Add eh_epilogue_sp_ofs field.
4174 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4175 field in cfun->machine structure.
4177 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4179 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4180 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4181 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4183 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4185 * objc/lang-options.h: Remove bogus reference to
4188 2001-01-09 Kazu Hirata <kazu@hxi.com>
4190 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4193 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4195 * reload.c (find_reloads_address): Check for eliminable registers
4196 when substituting a constant expression for a pseudo.
4198 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4200 * c-common.c (enum format_type): Add format_type_error.
4201 (decode_format_type): New function.
4202 (decl_attributes): Use it.
4203 (format_kind_info): Adjust comment.
4205 2001-01-09 David O'Brien <obrien@BSDi.com>
4207 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4208 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4210 * config/i386/gnu.h: Don't include required platform specific .h files,
4211 tm.h will do it instead.
4212 * config/i386/i386elf.h: Likewise.
4213 * config/i386/linux.h: Likewise.
4214 * config/i386/moss.h: Likewise.
4215 * config/mips/gnu.h: Likewise.
4217 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4219 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4220 (rs6000-ibm-aix3.[01]*): Likewise.
4221 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4222 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4223 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4224 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4225 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4226 (powerpc-*-eabiaix*): Likewise.
4227 (powerpc-*-eabisim*): Likewise.
4228 (powerpc-*-elf*): Likewise.
4229 (powerpc-*-eabi*): Likewise.
4230 (powerpc-*-rtems*): Likewise.
4231 (powerpc-*-linux*libc1): Likewise.
4232 (powerpc-*-linux*): Likewise.
4233 (powerpc-wrs-vxworks*): Likewise.
4234 (powerpcle-wrs-vxworks*): Likewise.
4235 (powerpcle-*-sysv*): Likewise.
4236 (powerpcle-*-elf*): Likewise.
4237 (powerpcle-*-eabisim*): Likewise.
4238 (powerpcle-*-eabi*): Likewise.
4239 (powerpcle-*-solaris2*): Likewise.
4240 * config/rs6000/aix31.h: Delete includes.
4241 * config/rs6000/aix3newas.h: Likewise.
4242 * config/rs6000/aix41.h: Likewise.
4243 * config/rs6000/aix43.h: Likewise.
4244 * config/rs6000/beos.h: Likewise.
4245 * config/rs6000/rtems.h: Likewise.
4246 * config/rs6000/sysv4.h: Likewise.
4248 2001-01-09 Kazu Hirata <kazu@hxi.com>
4250 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4251 Change an argument mode of machine_mode to shift_mode of
4252 shift_mode. Remove an extra error check.
4253 (emit_a_shift): Adopt to the new calling prototype of
4255 (function_prologue): Fix code for a monitor
4256 function. Support H8/S.
4257 (function_epilogue): Do not output pop for a monitor function.
4259 2001-01-09 Nick Clifton <nickc@redhat.com>
4261 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4262 (setup_incoming_varargs): Use sysv_varargs_p field of the
4263 cfun->machine structure.
4264 (struct machine_function): Move to rs6000.h
4265 (rs6000_save_machine_status): Delete.
4266 (rs6000_restore_machine_status): Delete.
4267 (rs6000_init_machine_status): New Function.
4268 (rs6000_free_machine_status): New Function.
4269 (rs6000_init_expanders): Use new functions.
4271 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4273 (struct machine_function): Move here.
4275 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4276 sysv_varargs_p field of the cfun->machine structure.
4278 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4280 (rs6000_restore_machine_status): Remove prototype.
4282 2001-01-09 Richard Henderson <rth@redhat.com>
4284 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4285 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4286 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4287 (sched_analyze_2, sched_analyze_insn): Likewise.
4288 (sched_analyze, init_deps): Likewise.
4289 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4290 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4291 (compute_block_backward_dependences): Update propagate_deps call.
4293 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4295 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4297 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4299 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4300 (cpp_handle_option): Handle them.
4301 (cpp_post_options): Ensure one of -M or -MM is specified with
4302 any other -M? option.
4303 (init_dependency_output): Suppress output with -MG.
4305 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4308 * invoke.texi: Update.
4310 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4312 * sh.md (reload_outsf): Generate recognizable patterns for
4315 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4317 * c-lang.c (lang_hooks): Update.
4318 (lang_init): Rename c_init.
4319 (lang_finish): Remove.
4320 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4322 * toplev.h (lang_hooks): Add init () and finish ().
4323 * tree.h (lang_init, lang_finish): Remove.
4324 * cp/tree.h (lang_init, lang_finish): Remove.
4325 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4326 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4328 (lang_init, lang_finish): Remove.
4329 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4330 (lang_hooks): Update.
4331 * java/lang.c (lang_init): Rename java_init.
4332 (lang_finish): Remove.
4333 (lang_hooks): Update.
4334 * objc/objc-act.c (lang_init): Rename objc_init.
4335 (lang_finish): Remove.
4336 (lang_hoooks): Update.
4338 20001-01-09 Graham Stott <grahams@redhat.com>
4340 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4341 after `ptr` is initialised.
4343 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4345 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4346 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4347 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4348 stack adjusts, instead of r3.
4350 2001-01-09 Michael Hayes <mhayes@redhat.com>
4352 * flow.c (flow_loop_scan): Break out of ...
4353 (flow_loops_find) ... here.
4354 * basic-block.h (flow_loop_scan): New.
4355 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4356 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4358 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4360 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4362 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4363 realloc()ing macro_buffer.
4365 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4366 if it's wider than long and the target's long is wider than the
4369 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4371 Remove support for using UWIN as a host machine.
4372 * configure.in: Issue an error message.
4373 * configure: Regenerated.
4374 * config.gcc: Remove xm_* UWIN configury.
4375 * config/i386/xm-uwin.h: Remove.
4377 2001-01-08 Nick Clifton <nickc@redhat.com>
4379 * config/v850/v850.c (ra_rtx): Delete.
4380 (v850_save_machine_status): Delete.
4381 (v850_restore_machine_status): Delete.
4382 (v850_init_machine_status): New function.
4383 (v850_mark_machine_status): New function.
4384 (v850_free_machine_status): New function.
4385 (v850_return_addr): Use ra_rtx field in machine structure.
4386 (v850_init_expanders): Use new functions.
4388 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4389 * config/v850/v850.c: Change arguments to v850_output+* functions
4390 to take a const char *, to avoid compile time warning.
4391 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4392 (USER_LABEL_PREFIX): Redefine.
4394 2000-01-08 Jim Wilson <wilson@redhat.com>
4396 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4397 1 to unsigned HOST_WIDE_INT before left shift.
4399 2001-01-08 Nick Clifton <nickc@redhat.com>
4401 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4402 the machine structure has been allocated.
4403 (arm_free_machine_status): New function: Free the machine
4404 specific function structure.
4406 2001-01-08 Richard Henderson <rth@redhat.com>
4408 * jump.c (simplejump_p): Revert last change.
4410 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4412 * cppinit.c (init): Rename init_library.
4413 (cpp_create_reader): Update.
4414 * gcc.c (cpp_options): If -o given, use it as the target of
4417 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4419 * arm.c (arm_arch5e): New variable.
4420 (all_cores): XScale is a 5TE device.
4421 (arm_override_options): Set arm_arch5e.
4422 (arm_init_builtins): __builtin_prefetch is in arch5e.
4423 * arm.h (arm_arch5e): Declare it.
4425 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4427 * arm.md (define_constants): Add defines for UNSPEC and
4428 UNSPEC_VOLATILE insns. Update all users.
4429 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4430 * arm.c (multi_register_push, note_invalid_constants)
4431 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4432 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4433 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4435 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4437 * jump.c (jump_optimize_1): Use reversed_comparison_code
4438 instead of can_reverse_comparison_p.
4439 (jump_back_p): Likewise.
4440 (invert_exp_1): Likewise.
4441 (thread_jumps): Likewise.
4442 * simplify-rtx.c (simplify_unary_operation): Likewise.
4443 (simplify_ternary_operation): Likewise.
4444 * cse.c (find_comparison_args): Convert to use
4445 can_reverse_comparison_p.
4446 (record_jump_equiv): Likewise.
4448 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4450 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4451 (EPILOGUE_USES): Define.
4452 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4453 automatically stack the LR if it isn't live.
4455 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4457 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4460 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4462 * ggc-page.c (max_alignment): New structure.
4463 (MAX_ALIGNMENT): New macro.
4464 (init_ggc): Use it to round up the sizes in the
4465 extra_order_size_table.
4467 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4469 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4472 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4474 * builtins.def (BUILT_IN_FPRINTF): New entry.
4476 * c-common.c (c_expand_builtin_fprintf): New function.
4477 (init_function_format_info): Handle __builtin_fprintf.
4478 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4479 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4481 * c-decl.c (duplicate_decls): Adjust comment.
4483 * extend.texi (fprintf): Document new builtin.
4485 2001-01-07 Richard Henderson <rth@redhat.com>
4487 * jump.c (simplejump_p): Recognize any single_set jump
4490 2001-01-07 Richard Henderson <rth@redhat.com>
4492 * configure.in (slibdir): Accept an --with-slibdir option.
4493 Use "test" not "[" in configure. Default to $(libdir).
4495 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4497 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4498 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4499 (SHLIB_LINK): Create links for the soname.
4500 * config/mips/t-iris6: Likewise.
4501 * config/sparc/t-slibgcc: Likewise.
4502 * config/sparc/t-slibgcc-sld: Likewise.
4504 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4506 * config/i386/i386.c (constant_call_address_operand): Accept
4507 (const (plus (symbol_ref) (const_int))).
4508 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4509 constant_call_address_operand.
4511 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4513 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4514 and LONG_LONG_TYPE_SIZE > 32.
4516 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4518 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4519 the previous change.
4521 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4523 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4525 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4526 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4527 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4530 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4532 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4534 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4536 * c-lang.c (c_post_options): Call cpp_post_options.
4537 * objc/objc-act.c (objc_post_options): Similarly.
4538 * cppmain.c (main): Similarly.
4539 * fix-header.c (read_scan_file): Similarly.
4540 * cppinit.c (cpp_start_read): Move option consistency checks
4541 to cpp_post_options. Don't call init_dependency_output.
4542 If needed, add default target and main file dependency.
4543 (OPT_MD, OPT_MMD): Remove.
4545 (cpp_handle_option): Update for OPT_* changes.
4546 (cpp_post_options): New.
4547 (init_dependency_output): Command line -MF overrides environment
4548 variables. Don't set default target etc. Suppress output
4549 if dependencies are going to stdout.
4550 (print_help): Update.
4551 * cpplib.h (cpp_post_options): New.
4552 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4554 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4556 * jump.c (comparison_dominates_p): Support unordered compares.
4558 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4560 * simplify-rtx.c (simplify_relational_operation): Always simplify
4561 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4564 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4566 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4567 (nonzero_bits): Likewise.
4568 (simplify_comparison): Likewise.
4569 (num_sign_bit_copies): Likewise; return more sane value depending
4570 on STORE_FLAG_VALUE.
4571 (known_cond): Do not assume EQ to be always true for equivalent
4574 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4576 * cse.c (fold_rtx): Handle unordered comparisons.
4578 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4580 * rtlanal.c (set_of_1): New static function.
4581 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4582 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4583 reg_set_last_last_regno): Remove.
4584 (set_of): New global function.
4585 (set_of_data): New structure.
4586 (reg_set_p, reg_set_last): Revamp for set_of.
4587 * rtl.h (set_of): New.
4589 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4591 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4592 * extend.texi: Document _Exit builtin.
4594 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4596 * (initialize, initialize_builtins,
4597 initialize_dependency_output, initialize_standard_includes):
4598 Rename s/initialize/init. Update.
4599 (init_dependency_output): Move to after
4600 cpp_handle_options, the correct location temporally at least.
4601 (opt_comp): Move next to init (), its caller. Fix prototype.
4602 (init): Make "initialized" local scope.
4603 (cpp_create_reader): Always call init ().
4604 (cpp_start_read): Update.
4605 (output_deps): New function, broken out of cpp_finish.
4606 (cpp_finish): Break out output_deps.
4608 2001-01-07 Richard Henderson <rth@redhat.com>
4610 * collect2.c (COFF specific stuff): Revert 12-06 patch
4611 to prototype system functions.
4613 2001-01-07 Michael Hayes <mhayes@redhat.com>
4615 * hard-reg-set.h: Add multiple include guard.
4616 * basic-block.h (struct loop): Add `sink' field.
4617 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4618 (emit_iv_add_mult): Delete.
4619 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4620 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4621 (unroll_loop): Remove end_insert_before argument.
4622 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4623 (maybe_eliminate_biv_1): Likewise.
4624 (emit_iv_add_mult): Delete.
4625 (gen_add_mult, loop_regs_update): New.
4626 (loop_insn_emit_after, loop_insn_emit_before): New.
4627 (loop_insn_sink, loop_insn_sink_or_swim): New.
4628 (emit_iv_add_mult): Delete.
4629 (scan_loop): Set loop->sink.
4630 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4631 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4632 (maybe_eliminate_biv_1): Likewise.
4633 (maybe_eliminate_biv_1): Add basic block argument.
4634 * unroll.c (unroll_loop): Remove end_insert_before argument.
4635 (find_splittable_regs): Likewise.
4636 (find_splittable_regs): Use loop_insn_sink and its ilk.
4637 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4639 2001-01-07 Michael Hayes <mhayes@redhat.com>
4641 * loop.h (loop_insn_hoist): New prototype.
4642 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4643 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4644 (check_dbra_loop, load_mems): Likewise.
4645 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4646 (find_splittable_givs): Likewise.
4648 2001-01-07 Michael Hayes <mhayes@redhat.com>
4650 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4652 2001-01-07 Richard Henderson <rth@redhat.com>
4654 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4656 2001-01-07 Richard Henderson <rth@redhat.com>
4658 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4659 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4660 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4661 variant that handles a shared libgcc.
4662 (process_command): Always validate -{static,shared}-libgcc.
4663 (do_spec_1): New 'M' case.
4664 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4666 2001-01-07 Richard Henderson <rth@redhat.com>
4668 * Makefile.in (slibdir): New variable.
4669 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4670 (installdirs): Create slibdir.
4671 (install-libgcc, install-multilib): Defer to libgcc.mk.
4672 * configure.in (slibdir): Substitute.
4673 * mklibgcc.in (install): New target.
4675 * config/t-linux (SHLIB_LINK): Create links for the soname.
4676 (SHLIB_INSTALL): New.
4677 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4678 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4679 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4680 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4681 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4683 2001-01-07 Richard Henderson <rth@redhat.com>
4685 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4686 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4687 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4689 2001-01-07 Michael Hayes <mhayes@redhat.com>
4691 * loop.c (count_loop_regs_set): Delete.
4692 (load_mems_and_recount_loop_regs_set): Delete.
4693 (loop_regs_scan): Merge common code from count_loop_regs_set,
4694 scan_loop, and load_mems_and_recount_loop_regs_set.
4695 (scan_loop): Call load_mems directly and loop_regs_scan
4696 again if new registers created.
4698 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4700 * toplev.c (main): Call the front-end specific post_options
4701 hook if one is given.
4702 * toplev.h (struct_lang_hooks, lang_hooks): New.
4703 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4704 for the C front end.
4705 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4706 lang_hooks for the C++ front end.
4707 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4708 lang_hooks for the ObjC front end.
4709 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4710 * java/lang.c (lang_hooks): Hooks for the Java front end.
4712 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4714 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4715 for verbose DWARF[2] debugging.
4716 (cb_define, cb_undef): The new callbacks.
4717 * toplev.h (debug_define, debug_undef): Make const correct.
4718 * toplev.c (debug_define, debug_undef): Similarly. Do not
4719 perform the verbosity tests here anymore.
4721 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4723 * reload.c (subst_reloads): Take INSN argument. When
4724 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4725 * reload.h (subst_reloads): Adjust prototype.
4726 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4727 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4728 present in JUMP_INSNs and copy them to JUMP_LABEL.
4729 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4730 JUMP_INSNs and insns with REG_LABELs that are followed by
4731 JUMP_INSNs with the same REG_LABEL.
4732 * sched-rgn.c (is_cfg_nonregular): Likewise.
4733 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4735 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4737 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4739 2001-01-06 Richard Henderson <rth@redhat.com>
4741 * loop.c (scan_loop): Use xcalloc for the regs array.
4742 (load_mems_and_recount_loop_regs_set): Zero the new memory
4743 received from xrealloc.
4745 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4747 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4749 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4751 * integrate.c (copy_rtx_and_substitute): When copying
4752 an ignored return value, strip REG_FUNCTION_VALUE_P.
4754 2001-01-06 Michael Hayes <mhayes@redhat.com>
4756 * loop.c (debug_biv, debug_giv): New.
4757 (loop_biv_dump): Break out from ...
4758 (record_biv): ... here.
4759 (loop_giv_dump): Break out from ...
4760 (record_giv): ... here.
4761 (loop_bivs_check): Use print_simple_rtl.
4762 * unroll.c (loop_iterations): Use print_simple_rtl.
4764 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4766 * pa.md (return, return_internal): Modify patterns to prevent regrename
4767 mucking with the return pointer.
4769 2001-01-05 Richard Henderson <rth@redhat.com>
4771 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4773 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4775 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4776 version supplied by Matteo Frigo.
4778 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4780 * cpp.texi: Update for -MQ.
4781 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4782 (cpp_cleanup): Always free pfile->deps.
4783 (initialize_dependency_output): Don't create pfile->deps.
4784 (cpp_handle_option): Similarly.
4786 * gcc.c (cpp_options): Handle -MQ.
4787 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4788 * mkdeps.c (base_name): Remove.
4789 (deps_init): Don't allocate vector space until it's needed.
4790 (deps_free): Only free vectors if allocated.
4791 (deps_add_target, deps_add_dep): Update for initial allocation.
4792 (deps_add_default_target): Don't strip to the base_name.
4794 2001-01-05 DJ Delorie <dj@redhat.com>
4796 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4797 (INIT_EXPANDERS): Define.
4799 * config/v850/v850.c (struct machine_function): Define.
4800 (v850_save_machine_status): New function.
4801 (v850_restore_machine_status): New function.
4802 (v850_return_addr): New function.
4803 (v850_init_expanders): New function.
4805 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4806 and v850_init_expanders.
4808 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4810 * cpplib.h (struct cpp_reader): Add help_only field.
4811 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4812 (cpp_handle_option): Set pfile->help_only if we see -h,
4813 --help, -target-help, or --version. Print version string but
4814 do not set help_only if we see -v or -version. Make text
4815 printed by -v match that printed by (-)-version.
4817 * cppmain.c (main): Exit after option parsing if
4818 pfile->help_only is true.
4820 * toplev.c (independent_decode_option): Call print_version,
4821 then exit, if we see --version (but not -version).
4822 (print_version): Split lengthy message into two lines.
4824 2001-01-05 Nick Clifton <nickc@redhat.com>
4826 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4827 temporary string for initialisation before calling ggc_alloc_string.
4829 2001-01-06 Michael Hayes <mhayes@redhat.com>
4831 * rtl.h (print_simple_rtl): New.
4832 * print-rtl.c (print_simple_rtl): New.
4834 (print_rtx): Disable printing of flags and modes, etc.,
4835 if `flag_simple` nonzero.
4837 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4839 * function.c (fixup_var_refs): Use push_to_full_sequence where
4842 2001-01-05 Michael Meissner <meissner@redhat.com>
4844 * flags.h (flag_reorder_blocks): Add declaration.
4845 (flag_rename_block): Ditto.
4847 2001-01-05 DJ Delorie <dj@redhat.com>
4849 * function.c (reorder_blocks): Make sure the flags are all reset
4850 before using them to mark blocks, else a second invocation will
4851 corrupt the block chain.
4852 (reorder_blocks_0): New, resets the flags.
4854 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4856 * cse.c (find_comparison_args): Stop if the argument is known to
4859 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4861 * config/sh/sh.md (movdf): When splitting load into pair of
4862 registers, don't clobber the register used in the address too
4865 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4867 * varasm.c (mark_constant_pool): Improve initial comments.
4868 (mark_constants): Move marking of constants to mark_constant.
4869 (mark_constant): New function to recursively mark all constants
4870 referred to by a constant.
4872 2001-01-05 Catherine Moore <clm@redhat.com>
4874 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4876 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4878 * cp/lang-options.h: Bring comment in line with reality.
4879 * f/lang-options.h: Likewise.
4880 * java/lang-options.h: Likewise.
4881 * objc/lang-options.h: Likewise.
4882 * ch/lang-options.h: Likewise.
4883 * f/g77.texi: And update the manual.
4885 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4886 Denis Chertykov <denisc@overta.ru>
4888 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4889 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4890 * config/avr/avr.md (all peepholes that request a scratch register):
4891 Call it, FAIL the peephole if not safe (in interrupt functions).
4893 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4895 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4897 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4899 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4901 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4902 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4903 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4904 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4905 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4907 * extend.texi: Document these builtins.
4909 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4911 * c-common.c (lang_get_alias_set): Say we know nothing of
4912 VECTOR_TYPE aliasing.
4914 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4916 2001-01-05 Bruce Korb <bkorb@gnu.org>
4918 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4919 their x* equivalent versions for atexit-less systems
4920 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4921 systems (or any other system any more).
4923 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4925 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4926 output operands. Use arm_hard_register_operand for operand 4.
4927 (stmsi_postinc): Similarly.
4928 (ldmsi): Use arm_hard_register_operand for opernand 2.
4930 * arm.c (arm_hard_register_operand): New function.
4931 * arm-protos.h (arm_hard_register_operand): Prototype it.
4933 * arm.h (HARD_REGNO_RENAME_OK): Define.
4935 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4937 * simplify-rtx.c (cfc_args): add "unordered" field.
4938 (check_fold_consts): Set unordered field.
4939 (simplify_relational_operation): Simplify the unordered
4942 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4945 * emit-rtl.c (try_split): Fix code to mark labels.
4946 * jump.c (mark_jump_label): Make global.
4947 * rtl.h (mark_jump_label): Declare.
4949 * predict.c (estimate_probability): Handle unordred comparisons.
4951 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4953 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4954 * cppinit.c (initialize_dependency_output): Update.
4955 (cpp_finish): Output dummy targets for -MP.
4957 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4958 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4959 * gcc.c (cpp_options): Update to handle -MP.
4960 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4961 to quote only the default target.
4962 (deps_phony_targets): Insert a preceding newline. Rename from
4963 deps_dummy_targets for consistency.
4966 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4968 * calls.c (emit_library_call_value_1): Support
4969 INIT_CUMULATIVE_LIBCALL_ARGS.
4970 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4972 2001-01-04 Richard Henderson <rth@redhat.com>
4974 * c-decl.c (finish_struct): Detect flexible array members
4975 used in an inappropriate context.
4976 * c-typeck.c (really_start_incremental_init): Special case
4977 constructor_max_index for zero length arrays.
4978 (pop_init_level): Allow initialization of flexible array
4979 members. Deprecate initialization of zero length arrays.
4980 Don't issue missing initializer warning for flexible array
4981 members or zero length arrays.
4982 (process_init_element): Don't dereference null DECL_SIZE.
4983 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4984 Don't abort for empty constructors. Use size_binop
4985 (output_constructor): Add commentary regarding zero length
4986 array futures. Abort if we try to initialize an array of
4987 unspecified length with a non-empty constructor in the middle
4990 * extend.texi (Zero Length): Update and clarify documentation
4991 on static initialization.
4993 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4995 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4996 with more than 32767 words of local storage.
4998 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5000 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5001 for 'abs', 'labs', and 'fabs'.
5002 (c4x_expand_builtin): Likewise.
5003 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5005 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5007 * config/sh/sh.md (prget, prset): New insn types.
5008 (return delay slot): Dont' allow prset.
5009 (call, sfunc delay slot): Don't allow prget.
5010 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5011 for prset and prget.
5013 2001-01-05 Michael Hayes <mhayes@redhat.com>
5015 * loop.h (struct loop_reg): New.
5016 (struct loop_regs): Change to use array of `struct loop_reg'.
5017 * loop.c: Replace assortment of varrays with single regs array.
5018 (count_one_set): Delete may_not_move array argument
5019 and use regs array instead. All caller's changed.
5020 (count_loop_regs_set): Delete may_not_move and single_usage
5021 arguments and use regs array instead. All caller's changed.
5022 (find_single_use_in_loop): Replace usage array argument with pointer
5023 to regs structure. All caller's changed.
5024 (loop_optimize): Delete `moved_once' array.
5026 2001-01-05 Michael Hayes <mhayes@redhat.com>
5028 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5029 Use it instead of loop_info->has_call for scanning loop mems.
5030 (check_dbra_loop): Replace loop_info->has_call test with
5031 loop_info->has_nonconst_call.
5033 2000-01-04 Matthew Hiller <hiller@redhat.com>
5035 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5038 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5040 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5041 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5043 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5045 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5046 (flag_short_double, flag_short_wchar): Define.
5047 (c_common_nodes_and_builtins): Create many tree nodes shared
5048 between C and C++ here instead of in cp/decl.c and ...
5049 * c-decl.c (init_decl_processing): ... here.
5050 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5051 (flag_short_double, flag_short_wchar): Don't define.
5052 (record_builtin_type): New function.
5053 (build_void_list_node): New function.
5054 * c-common.h (flag_short_double, flag_short_wchar,
5055 record_builtin_type, build_void_list_node): Declare.
5057 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5059 * integrate.c (expand_inline_function): Don't put a virtual
5060 register into the reg map.
5062 * function.c (fixup_var_refs_1): If force_operand didn't put
5063 the address into the target, move it there.
5065 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5067 Special-case tree_decl/tree_list allocations.
5068 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5069 (OBJECT_SIZE): New macro.
5070 (NUM_EXTRA_ORDER): Likewise.
5071 (extra_order_size_table): New variable.
5072 (NUM_ORDERS): New macro.
5073 (objects_per_page_table): New variable.
5074 (object_size_table): New variable.
5075 (G.pages): Use NUM_ORDERS to bound the array.
5076 (G.page_tails): Likewise.
5077 (DIV_ROUND_UP): Remove.
5078 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5079 (alloc_page): Use OBJECT_SIZE.
5080 (size_lookup): Don't make it const.
5081 (ggc_alloc): Use OBJECT_SIZE.
5082 (ggc_set_mark): Likewise.
5083 (ggc_get_size): Likewise.
5084 (init_ggc): Set up the object_size_table, objects_per_page_table,
5085 and adjust size_lookup.
5086 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5087 (ggc_pop_context): Use NUM_ORDERS.
5088 (clear_marks): Likewise.
5089 (sweep_pages): Likewise.
5090 (poison_pages): Likewise.
5091 (ggc_print_statistics): Use OBJECT_SIZE.
5093 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5095 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5096 Only call array_size_for_constructor if last field and array type
5097 with no upper bound.
5099 2001-01-04 Philip Blundell <philb@gnu.org>
5101 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5102 from bit 31 downwards, if this requires no more insns.
5103 (count_insns_for_constant): New helper function for above.
5105 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5107 * gencodes.c (output_predicate_decls): Remove empty initializer.
5109 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5111 * tree.c (copy_node): Remove documentation about obstacks.
5112 (buidl1): Check that nobody tries to build 2-argument nodes this
5115 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5117 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5120 * gencodes.c (output_predicate_decls): Fill empty initializer
5123 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5125 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5126 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5128 (do_include): Handle missing headers like cpp0.
5129 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5130 paths with first include pathname. Don't strcat to uninitialized
5133 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5135 * regrename.c (regrename_optimize): Don't rename from frame pointer
5136 if frame_pointer_needed.
5137 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5138 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5139 (ia64_reorg): Use it instead of scheduling if ! optimize.
5140 (errata_emit_nops): Properly call asm_noperands.
5141 (ia64_sched_reorder): Finish cycle if we see an asm.
5142 (ia64_variable_issue): Clear scheduling state after asms.
5144 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5146 * cpp.texi: Update for -MT.
5147 * cppinit.c (initialize_dependency_output): Add a default
5148 target if none has been given already.
5149 (no_tgt, OPT_MT): New.
5150 (cpp_handle_option): Handle -MT. Update -M etc.
5151 * cpplib.h (struct cpp_options): Remove deps_target.
5152 * gcc.c (cpp_options): Handle -MT.
5153 * mkdeps.c (struct deps): Move from mkdeps.h.
5154 (deps_calc_target): Rename deps_add_default_target. Add a
5155 default target if none has been specified already.
5156 * mkdeps.h (struct deps): Move to mkdeps.c.
5157 (deps_calc_target): Rename deps_add_default_target.
5159 2000-01-03 Richard Henderson <rth@redhat.com>
5161 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5163 * c-typeck.c (push_init_level): Move checks for flexible array
5164 members and zero length arrays ...
5165 (pop_init_level): ... here. Silently discard empty initializations.
5167 * varasm.c (output_constructor): Update for sizeof change to
5170 * extend.texi (Zero Length): Clarify semantics.
5172 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5174 * configure.in (tm.h): Include isns-codes.h last.
5175 * configure: Rebuilt.
5177 2001-01-03 Richard Henderson <rth@redhat.com>
5179 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5180 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5182 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5184 * tradcpp.c (main): Make sure finclude() is called with a valid
5185 indepth value while handling -include.
5187 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5189 * gencodes.c (output_predicate_decls): New function.
5191 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5192 even if it is not the first time machmode.h is #included.
5193 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5194 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5195 * gcc.texi (Copyright): Added 2001.
5197 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5199 * c-common.c (c_common_lang_init): New function. Warn if format
5200 warning options which only have effects when used with -Wformat
5201 are used without -Wformat.
5202 * c-common.h (c_common_lang_init): Declare.
5203 * c-lang.c (lang_init): Call c_common_lang_init.
5204 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5206 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5208 * configure.in: Check for the mktemp command.
5209 * configure: Regenerate.
5210 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5211 $TEMP. Create temporary files with mktemp, if available at
5212 configure time; otherwise use set -C. Remove temporary files
5215 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5217 * configure.in: Require at least texinfo 4.0. Check for whether
5218 Pod::Man is sufficiently recent to regenerate GCC manpages.
5219 * configure: Regenerate.
5220 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5222 (GENERATED_MANPAGES): Define.
5223 (generated-manpages): New target. Depend on cpp.1 as well as
5225 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5226 configure to generated-manpages or empty) rather than on the
5227 manpages directly. Remove execute permission from installed
5228 gcov.1 as well as cpp.1.
5229 * cpp.1, gcov.1: Regenerate.
5231 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5233 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5234 tree_low_cst. Allow using cmpstrsi in more cases.
5236 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5238 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5241 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5243 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5244 * Makefile.in (HOST_CFLAGS): Mention build-make.
5246 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5248 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5251 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5253 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5256 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5259 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5260 reg_base_value and reg_known_value arrays.
5261 (init_alias_analysis): Add more cases to detect known values.
5262 * sched-deps.c (deps_may_trap_p): New function.
5263 (sched_analyze_2): Use it.
5265 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5267 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5268 don't discard an ASHIFTRT if we're shifting in a wider mode.
5270 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5272 * toplev.c (rest_of_compilation): Don't print basic block information
5273 when CFG isn't up to date.
5275 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5277 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5278 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5279 (UNALIGNED_SHORT_ASM_OP): Define.
5280 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5282 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5284 * fold-const.c (fold_convert): Fix typo.
5286 2001-01-02 Richard Henderson <rth@redhat.com>
5288 * c-common.h (ASM_INPUT_P): New.
5289 * c-parse.in (asm): Set it when needed.
5290 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5291 existance of an operand.
5293 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5295 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5296 (dwarf2out_frame_debug_expr): Likewise.
5297 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5299 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5301 * i386.c (ix86_split_to_parts): Return number of part required;
5303 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5305 (ix86_split_long_move): Use number of part returned
5306 by ix86_split_to_parts
5307 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5309 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5310 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5311 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5312 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5313 (ALIGN_MODE_128): Add TFmode.
5314 (IS_STACK_MODE): Likewise.
5315 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5316 (HARD_REGNO_OK): Support TFmodes.
5317 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5318 * i386.md (scheduler definitions): Use memory operand to determine
5319 fst/fld instructions; use mode attribute to determine real mode of
5321 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5322 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5324 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5326 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5328 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5330 * expr.c (store_constructor_field): Update ALIGN before calling
5333 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5335 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5338 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5340 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5343 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5345 * c-decl.c (start_function): Don't warn on third parameter to main.
5347 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5349 * tsystem.h: Define HAVE_DECL_GETOPT.
5351 2001-01-02 Philip Blundell <pb@futuretv.com>
5353 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5356 2001-01-02 Richard Henderson <rth@redhat.com>
5358 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5360 2001-01-02 Andreas Jaeger <aj@suse.de>
5362 * c-decl.c (c_decode_option): Remove support of
5365 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5366 (W_options): Add -Wmissing-noreturn here.
5368 * flow.c: Define lang_missing_noreturn_ok_p.
5369 (check_function_return_warnings): Use it.
5371 * c-common.h: Declare lang_missing_noreturn_ok_p.
5373 * c-lang.c (c_missing_noreturn_ok_p): New function.
5374 (lang_init): Set lang_missing_noreturn_ok_p.
5376 * invoke.texi (Warning Options): Document this.
5378 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5380 * extend.texi (C++ Extensions): New node for C++ attributes;
5381 describe init_priority and com_interface.
5382 * invoke.texi: Remove -finit-priority as it now has zero effect.
5383 * install.texi: Fix xref syntax.
5384 * md.texi: Likewise.
5386 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5388 * config.gcc (sparc64-wrs-vxworks*): New case.
5389 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5391 * config/sparc/sparc.c (sparc_override_options): Do support different
5392 pointer and architecture size.
5393 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5394 (POINTERS_EXTEND_UNSIGNED): Define.
5395 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5396 (FUNCTION_MODE): Define to be Pmode.
5397 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5399 * function.c (expand_function_end): Properly handle DECL_RESULT
5400 and copy when ptr_mode != Pmode.
5401 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5403 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5405 * c-common.c (c_common_nodes_and_builtins): Set prototype
5406 parameters for __builtin_fputs, __builtin_fputc and
5407 __builtin_fwrite. Don't declare plain fputc as a builtin.
5409 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5411 * loop.c (add_label_notes): Increment the label usage count when
5412 a note is added to an insn which refers to a CODE_LABEL.
5413 * gcse.c (add_label_notes): Likewise.
5415 2001-01-01 Andreas Jaeger <aj@suse.de>
5417 * loop.c (scan_loop): Use xmalloc to allocate movables.
5419 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5421 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5422 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5423 * reload1.c (REGISTER_MOVE_COST): Likewise.
5424 * regclass.c (REGISTER_MOVE_COST): Likewise.
5425 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5426 dimension. Adjust all users.
5427 (init_reg_sets_1): Iterate on all modes.
5428 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5429 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5430 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5431 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5432 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5433 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5434 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5435 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5436 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5437 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5438 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5439 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5440 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5441 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5442 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5443 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5444 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5445 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5446 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5447 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5448 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5449 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5450 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5451 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5452 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5453 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5454 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5456 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5458 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5459 arg VARIES_P. Call it with extra arg.
5460 (true_dependence): Likewise.
5461 * rtl.h (rtx_addr_can_trap_p): Declare.
5462 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5464 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5465 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5466 pic offset table register if it's zero. All callers changed.
5467 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5469 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5471 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5472 STRING_POOL_ADDRESS_P.
5474 * config/sparc/sparc.c (input_operand): Properly test for short op.
5476 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5477 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5478 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5479 * config/sparc/elf.h: No longer include sol2.h.
5480 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5481 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5483 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5485 2001-01-01 Michael Hayes <mhayes@redhat.com>
5487 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5488 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5489 (record_initial): Likewise.
5490 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5491 (remap_split_bivs): Likewise.
5493 2001-01-01 Michael Hayes <mhayes@redhat.com>
5495 * loop.c (loop_ivs_free): New function.
5496 (strength_reduce): Break out from...
5498 2001-01-01 Michael Hayes <mhayes@redhat.com>
5500 * loop.h (struct iv): New.
5501 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5502 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5503 'reg_biv_class' fields with 'regs' and 'n_regs'.
5504 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5505 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5506 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5508 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5510 * resource.c (mark_referenced_resources): Abort() before
5511 attempting to mark a pseudo register.
5512 (mark_set_resources): Likewise.
5514 2001-01-01 Michael Hayes <mhayes@redhat.com>
5516 * loop.h (REG_IV_CLASS): New accessor macro.
5517 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5518 * unroll.c (REG_IV_CLASS): Likewise.
5520 See ChangeLog.4 for earlier changes.