1 2001-03-06 Zack Weinberg <zackw@stanford.edu>
3 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
5 * configure, config.in: Regenerate.
6 * config.gcc: Remove references to deleted files.
8 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
9 genrecog.c, rtl.c: Do not use alloca anywhere.
11 * Makefile.in, build-make, system.h, config/x-interix,
12 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
13 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
14 config/arc/xm-arc.h, config/arm/xm-arm.h,
15 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
16 config/h8300/xm-h8300.h, config/i370/x-oe,
17 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
18 config/i386/x-ncr3000, config/i386/x-sco5,
19 config/i386/xm-dgux.h, config/i860/x-sysv4,
20 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
21 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
22 config/m68k/x-hp320g, config/m69k/x-mot3300,
23 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
24 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
25 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
26 config/m88k/x-sysv4, config/m88k/x-tekXD88,
27 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
28 config/mips/x-iris, config/mips/x-iris3,
29 config/mips/x-sni-svr4, config/mips/x-sysv,
30 config/mips/xm-iris6.h, config/mips/xm-mips.h,
31 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
32 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
33 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
34 config/pa/xm-papro.h, config/romp/xm-romp.h,
35 config/rs6000/x-aix31, config/rs6000/x-aix41,
36 config/rs6000/x-beos, config/rs6000/x-lynx,
37 config/rs6000/x-mach, config/rs6000/x-rs6000,
38 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
39 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
40 config/sparc/x-sysv4, config/sparc/xm-linux.h,
41 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
42 config/vax/xm-vms.h: Eradicate all references to alloca and
45 * config/xm-alloca.h, config/clipper/x-clix,
46 config/i386/xm-sysv4.h, config/i860/x-fx2800,
47 config/i860/x-sysv3, config/m88k/x-sysv3,
48 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
49 (contained only alloca related hacks).
51 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
54 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
56 * invoke.texi: Document __FAST_MATH__.
58 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
60 * crtstuff.c: Restore include of auto-host.h.
62 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
64 Put main() in a separate file, so that the language
65 front-end can use a different main().
68 * toplev.c: (main): Rename as toplev_main.
69 * toplev.h: Declare toplev_main.
70 * Makefile.in (OBJS): add toplev.o.
71 (BACKEND): remove toplev.o, add main.o.
73 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
75 * cppfiles.c (search_from): Special case the empty string.
77 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
79 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
80 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
81 strlen or strcpy; we already know the length.
82 (_cpp_compare_file_date): Similarly.
83 * cpphash.h (struct cpp_reader): Delete done_initialising.
84 (CPP_PREV_BUFFER): Delete.
85 * cppinit.c (cpp_start_read): Don't set done_initialising.
86 * cpplex.c (parse_string): Guarantee null-termination.
87 (_cpp_equiv_toklists): Remove.
88 * cpplib.c (glue_header_name): Null-terminate.
89 (do_line): Don't leak memory.
90 * cpplib.h (BT_WEAK): Delete.
91 * cppmain.c (cb_ident): Strings are now null-terminated.
93 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
95 * gcc.c (convert_filename): Append executable suffix
96 if NO_AUTO_EXE_SUFFIX is not defined.
97 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
98 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
100 2001-03-03 David O'Brien <obrien@FreeBSD.org>
102 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
103 * c-parse.gperf, c-gperf.h: Delete.
104 (c-gperf.h was accidently re-added to the CVS repo in the rev 1.16 commit
107 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
109 * cpplex.c (_cpp_lex_token): Don't warn about directives in
110 macro arguments when looking for the '('.
111 * cppmacro.c (funlike_invocation_p): Set parsing_args to
112 2 when really parsing arguments; 1 when looking for '('.
113 Always restore the lexer position.
115 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
117 * longlong.h (umul_ppmm): Don't use a multiline string.
119 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
121 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
122 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
123 t_bool in declaration because pcc can't combine volatile with typedef
126 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
128 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
129 until when it is really needed.
130 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
131 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
132 * i386.md (float?i?f splitter): Don't force source operand to memory
134 (sse_movdfcc): Fix constraint.
135 (sse_movdfcc splitter): Handle properly the second alternative.
137 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
139 * cpplex.c (parse_string): Unconditionally pedwarn.
141 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
144 * cppexp.c (parse_number): Update.
145 * cpplex.c (parse_string): Pedwarn if multiline string does not
146 result from a system header's macro.
147 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
148 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
149 for function-like macros too.
150 * c-lex.c (lex_number): Update.
152 2001-03-03 Richard Henderson <rth@redhat.com>
154 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
156 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
158 * combine.c (try_combine): If split with mode-changed scratch
159 register didn't work, try the original mode.
161 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
163 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
164 * config/c4x/c4x.h: Likewise.
165 * stor-layout.c (compute_record_mode): Likewise.
166 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
168 2001-03-02 Zack Weinberg <zackw@stanford.edu>
170 * configure.in: Kill tm.h. Include the files in the $tm_file
171 list in all three of config.h, hconfig.h, tconfig.h, after the
172 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
173 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
174 * configure: Regenerate.
175 * Makefile.in (clean): Don't delete tm.h.
177 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
178 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
179 those are not defined, set SEC and FEC to 0 and 1.
180 * gcc.texi: Update to match.
182 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
183 * config/fp-bit.c, config/m68k/aux-crt2.asm,
184 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
185 Include tconfig.h, not tm.h.
187 * config/xm-lynx.h, config/xm-std32.h,
188 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
189 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
190 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
191 config/clipper/xm-clix.h, config/convex/xm-convex.h,
192 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
193 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
194 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
195 config/i386/xm-i386.h, config/i860/xm-i860.h,
196 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
197 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
198 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
199 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
200 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
201 config/pa/xm-linux.h, config/pa/xm-pa.h,
202 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
203 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
204 config/pj/xm-pj.h, config/romp/xm-romp.h,
205 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
206 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
207 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
208 config/v850/xm-v850.h, config/vax/xm-vax.h,
209 config/we32k/xm-we32k.h:
211 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
213 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
214 config/i370/xm-oe.h: Don't include tm.h. Don't define
216 * config/vax/xm-vms.h: Don't include tm.h.
218 * config/xm-lynx.h, config/avr/xm-avr.h,
219 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
220 Delete; made empty by above changes.
221 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
222 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
223 Don't include config/xm-lynx.h or tm.h.
225 * config/xm-gnu.h: Don't include fcntl.h.
226 * config/sparc/xm-lynx.h: Don't include sys/types.h and
228 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
230 2001-03-02 Richard Henderson <rth@redhat.com>
232 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
233 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
235 2001-03-02 Richard Henderson <rth@redhat.com>
237 * Makefile.in (OBJS): Add dwarf2asm.o.
238 * dwarf2asm.c, dwarf2asm.h: New files.
239 * dwarf2out.c (*): Use them.
240 (size_of_uleb128, size_of_sleb128): Remove.
241 (output_uleb128, output_sleb128): Remove.
242 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
243 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
244 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
245 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
246 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
247 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
248 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
249 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
250 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
251 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
252 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
253 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
254 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
255 (dwarf2out_frame_debug): Remove unused variables.
256 (output_loc_operands): Don't abort on 8 byte constants if
257 host integers are wide enough.
258 (output_symbolic_ref): Remove.
259 (size_of_die): Don't assume 4 byte host integers.
260 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
262 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
263 something stupid with HOST_WIDE_INT to long truncation.
264 [CONST_DOUBLE]: Likewise.
266 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
267 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
268 * config/arm/unknown-elf.h: Likewise.
269 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
270 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
271 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
272 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
273 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
274 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
275 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
276 (ASM_OUTPUT_DWARF_OFFSET): Remove.
277 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
278 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
279 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
280 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
282 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
284 * cselib.c (hash_rtx): Cast enums to unsigned int.
286 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
288 * print-rtl.c (print_rtx): Cast enums to int for comparison.
289 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
291 * c-format.c (C_STD_VER): Cast to int for comparisons.
292 (check_function_format): Cast various enums to int for &.
293 (maybe_read_dollar_number): Likewise.
294 (check_format_info): Likewise.
295 (check_format_info_main): Likewise.
296 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
297 (safe_from_p): Likewise.
298 * varasm.c (const_hash): Cast enum to int for %.
299 * emit-rtl.c (init_emit_once): Use int loop variable to work around
300 pcc enum problems with < and ++ operators.
301 * regclass.c (init_reg_sets_1): Cast enums for comparison.
302 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
303 (regclass_init): Change enum class to int to iterate over reg_classes.
304 * genrecog.c (merge_trees): Cast enums for comparison.
305 * rtl.h (GET_CODE): Cast to enum rtx_code.
306 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
307 (GET_MODE): Cast to enum machine_mode.
308 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
309 (GET_NOTE_INSN_NAME): Cast enum to int.
310 * tree.h (TREE_CODE): Cast to enum tree_code.
311 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
312 * timevar.c (timevar_print): Change loop variable id from enum to
314 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
315 * config/i386/i386.md: Use PUT_MODE for mode assignment.
316 * toplev.c (compile_file): Cast enum DFI to int.
317 (decode_d_option): Likewise.
319 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
321 * cppinit.c (append_include_chain): Mark "after" include file name list
322 as a system directory.
323 * cpp.texi: Document new behavior.
325 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
327 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
329 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
331 * cppfiles.c (struct include_file): Update.
332 (stack_include_file): Use search_from.
333 (cpp_included, find_include_file): Update.
334 (cpp_execute_include): Update. ptr->name may not be
335 null terminated. Use the new search_from member variable
337 (_cpp_compare_file_date): Similarly.
338 (search_from): New function, similiar to actual_directory.
339 (actual_directory): Delete.
340 (remap_filename): Update. loc->name may not be null terminated.
341 (struct file_name_list): Rename search_path. Update.
342 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
344 (struct cpp_reader): Remove actual_dirs.
345 * cppinit.c (struct cpp_pending): Update for renamed objects.
346 (append_include_chain, remove_dup_dir, remove_dup_dirs,
347 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
348 * cpplib.h (struct cpp_options): Similarly.
350 2001-03-01 Zack Weinberg <zackw@stanford.edu>
352 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
353 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
354 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
355 config/clipper/xm-clix.h, config/convex/xm-convex.h,
356 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
357 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
358 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
359 config/i370/xm-linux.h, config/i370/xm-mvs.h,
360 config/i370/xm-oe.h, config/i386/xm-aix.h,
361 config/i386/xm-i386.h, config/i386/xm-osf.h,
362 config/i860/xm-i860.h, config/i960/xm-i960.h,
363 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
364 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
365 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
366 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
367 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
368 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
369 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
370 config/pj/xm-pj.h, config/romp/xm-romp.h,
371 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
372 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
373 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
374 config/v850/xm-v850.h, config/vax/xm-vax.h,
375 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
376 Do not define TRUE or FALSE.
378 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
379 empty by above change.
380 * config.gcc: Remove references to these files.
382 * configure.in: Detect stdbool.h.
383 * configure, config.in: Regenerate.
384 * system.h: Include stddef.h here if available.
385 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
386 Then set up a sensible boolean type at the very end.
388 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
389 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
391 * hash.h: Delete 'boolean' typedef and related #undefs.
393 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
394 all uses of 'boolean' with 'bool'.
396 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
398 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
399 * cppexp.c (lex): Cast enums for comparison.
400 * cppinit.c (parse_option): Cast enum for comparison.
401 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
402 (cpp_output_token): Likewise.
403 (cpp_can_paste): Cast enums for comparsion and plus/minus.
404 (cpp_avoid_paste): Cast enums for minus and comparison.
406 2001-03-01 Zack Weinberg <zackw@stanford.edu>
408 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
409 field to all array elements.
411 2001-03-01 Zack Weinberg <zackw@stanford.edu>
413 * cpphash.h (struct cpp_reader): Add print_version field.
414 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
415 just set print_version and other flags as appropriate.
416 (cpp_post_options): Print version here if print_version is set.
418 * toplev.c (exit_after_options): New flag.
419 (independent_decode_option): Don't exit here; just set
421 (main): Exit after calling lang_hooks.post_options if
422 exit_after_options is true.
424 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
425 (merge_include_chains): Adjust comment to match code.
427 2001-03-01 Zack Weinberg <zackw@stanford.edu>
429 * stringpool.c (set_identifier): New function.
430 * tree.h: Prototype it.
432 * c-parse.in: Kill D_YES. If compiled for objc, call
433 save_and_forget_protocol_qualifiers from init_reswords.
434 * objc/objc-act.c (remember_protocol_qualifiers,
435 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
436 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
438 (save_and_forget_protocol_qualifiers): New function.
439 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
441 2001-03-01 Diego Novillo <dnovillo@redhat.com>
443 * c-semantics.c (prune_unused_decls): Return error_mark_node
444 instead of (tree) 1 to stop traversing the tree chain.
446 2001-03-01 Bernd Schmidt <bernds@redhat.com>
448 Fix a problem introduced by Kenner's Feb 18 change.
449 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
450 flag_cse_skip_blocks only temporarily, not for ever.
452 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
454 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
455 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
457 * pa.c (emit_move_sequence): Verify operand0 is a hard register
458 before determining its register class.
460 2001-03-01 Bernd Schmidt <bernds@redhat.com>
462 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
463 from reg 4 if current_function_calls_setjmp.
464 (gen_nop_type): New function.
465 (ia64_emit_nops): New function.
466 (ia64_reorg): Call it.
467 (ia64_sched_reorder): Move code that rotates bundles up a bit.
469 * reload1.c (eliminate_regs_in_insn): Restrict the special case
470 code not to try to optimize adds with anything but a REG destination.
472 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
473 (INSN_PRIORITY_KNOWN): New accessor macro.
474 * haifa-sched.c (priority): Use it instead of testing priority against
477 2001-02-28 DJ Delorie <dj@redhat.com>
479 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
480 since that doesn't work the way gcc wants on a generic m68k.
482 2001-02-28 Richard Henderson <rth@redhat.com>
484 * caller-save.c (save_call_clobbered_regs): Fix typo in
485 comparison last change.
487 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
489 * i386.c (pentium4_cost): New.
490 (m_PENT4): New macro.
491 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
492 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
493 x86_integer_DFmode_moves, x86_partial_reg_dependency,
494 x86_memory_mismatch_stall): Add Pentium4
495 (x86_use_q_reg, x86_use_any_reg): Kill.
496 (override_options): Add pentium4.
497 (incdec_operand): Return 0 for pentium4.
498 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
499 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
500 (TARGET_PENTIUM4): Define.
501 (enum processor_type): Add PROCESSOR_PENTIUM4.
502 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
503 * i386.md (attribute "cpu"): Add pentium4.
504 * invoke.texi (march): Add pentium4.
506 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
508 * i386.md (sse_mov?fcc*): New patterns and splitters.
509 * i386.c (ix86_expand_movcc): Work post-reload; recognize
510 the SSE based conditional moves.
512 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
514 * i386.md (attribute mode): Add "TI".
515 (movsf_1): Add pxor support; remove constant propagation splitter.
516 (movdf_integer): Likewise.
517 (movdf_nointeger): Likewise.
518 (movxf constant prop splitter): Handle all modes; update for SSE.
519 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
520 * i386.c (standard_80387_constant_p): Rewrite.
521 (standard_sse_constant_p): New.
522 * i386-protos.h (standard_sse_constant_p): New.
524 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
526 * i386.md (sse_setccsf, sse_setccdf): New.
527 (sse_cmp* patterns): Use '%D' instead of outputtting condition
529 * i386.c (sse_comparison_operator): Accept the supported unordered
530 comparses; be ready for fast_math.
531 (print_operand): Support 'D'.
533 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
535 * jump.c (reversed_comparison_code): Kill.
537 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
539 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
542 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
544 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
545 add missing '%' in constraints.
547 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
549 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
550 for HOST_BITS_PER_WIDE_INT == 32 too.
552 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
554 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
556 (insert_save, insert_restore): New parameter save_mode.
557 (init_caller_save): Update initialization of reg_save_code
558 and reg_restore_code.
559 (save_call_clobbered_regs): Compute save_modes and update calls to
560 reg_save_code and reg_restore_code.
561 (insert_restore): Unsignetize numbers; use save_modes to choose mode
562 of spill; update use of reg_restore_code.
563 (insert_save): Likewise.
564 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
565 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
566 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
568 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
570 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
571 noce_try_store_flag_inc, noce_try_store_flag_mask,
572 noce_try_cmove_arith):
573 Use reversed_comparison_code instead of reverse_comparison and
574 can_reverse_comparison_p.
576 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
578 * jump.c (reversed_comparison_code_parts): Allow reversal of
579 unordered compares in -ffast-math mode; reverse ordered compares
580 for FP even w/o -ffast-math.
582 2001-02-27 Richard Henderson <rth@redhat.com>
584 * print-rtl.c (print_rtx) [i]: Don't print field five on
585 NOTEs other than NOTE_INSN_DELETED_LABEL.
587 2001-02-27 Zack Weinberg <zackw@stanford.edu>
589 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
590 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
592 2001-02-27 Diego Novillo <dnovillo@redhat.com>
594 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
595 even if walk_subtrees is 0.
596 * c-semantics.c (prune_unused_decls): Return a non-null value to
597 stop traversing the tree chain.
599 2001-02-27 DJ Delorie <dj@redhat.com>
601 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
602 register, *then* define it as the new CFA.
604 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
606 * pa.c (override_options): Promote -fpic to -fPIC.
607 (legitimize_pic_address): Simplify due to removal of
608 small PIC as a code generation option.
609 (secondary_reload_class): Similarly.
610 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
611 (PRINT_OPERAND_ADDRESS): Similarly.
612 * pa.md (various patterns): Similarly.
613 (small pic lo_sum pattern): Remove.
615 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
618 * md.texi (min, max): Document
620 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
622 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
623 TARGET_PARTIAL_REG_DEPENDENCY.
624 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
626 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
628 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
630 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
632 * mips.c (mips_make_temp_file): Fix thinko in last change.
634 2001-02-26 Jason Eckhardt <jle@redhat.com>
636 * combine.c (known_cond): Do not reverse the condition when
637 SMAX/UMAX is being considered and the condition is for equality
640 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
642 2001-02-26 Philip Blundell <philb@gnu.org>
644 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
646 * config/arm/linux-elf.h: Remove historical relics related to
647 above configurations.
648 * config/arm/linux-oldld.h: Delete.
649 * config/arm/linux-elf26.h: Delete.
651 2001-02-26 Jason Merrill <jason@redhat.com>
653 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
655 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
656 recognize a tentative definition. Lose obsolete code.
658 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
659 variables unless necessary, either.
661 2001-02-25 Richard Henderson <rth@redhat.com>
663 * ifcvt.c (struct noce_if_info): Add test_bb.
664 (noce_get_alt_condition): New.
665 (noce_try_minmax, noce_try_abs): New.
666 (noce_operand_ok): New.
667 (noce_process_if_block): Use them.
668 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
670 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
672 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
675 2001-02-25 Zack Weinberg <zackw@stanford.edu>
677 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
678 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
680 (mips_asm_file_end): Free temp_filename here.
682 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
684 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
685 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
687 * config/i386/i386.md (movstrsi): Handle FAIL case.
689 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
691 * cppinit.c (builtin_array): Update.
692 (init_builtins): Flag builtins to warn if redefined or
693 undefined. Define __GXX_WEAK as a normal macro.
694 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
695 * cpplib.h (NODE_WARN): New flag.
696 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
697 Handle __STDC__ as a builtin only on Solaris.
698 (warn_of_redefinition): Renamed from check_macro_definition.
699 Reverse sense of test. Always warn if NODE_WARN.
700 (_cpp_create_definition): Use warn_of_redefinition. Flag
701 any macro beginning with "__STDC_" to require a mandatory
702 warning if redefined or undefined.
704 2001-02-24 Zack Weinberg <zackw@stanford.edu>
706 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
707 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
708 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
709 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
710 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
711 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
713 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
714 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
715 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
716 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
717 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
719 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
720 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
723 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
724 Delete now-empty file.
726 * alpha/vms.h: Define NEED_ATEXIT here...
727 * alpha/xm-vms.h: ...not here.
729 * i386/cygwin.h: Don't define PARAMS.
730 * mips/mips.c: Don't prototype mktemp. Don't define
731 P_tmpdir. Use make_temp_file to create temporary files.
732 Don't be clever and delete temporary files early.
733 * config.gcc: Drop references to deleted files. Don't define
735 * gcc.texi: Don't mention USE_PROTOTYPES.
737 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
739 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
740 (ix86_set_move_mem_attrs_1): Likewise.
741 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
742 * config/i386/i386.md (movstrsi): Call it.
744 2001-02-24 Zack Weinberg <zackw@stanford.edu>
746 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
747 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
748 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
749 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
751 (i750a-*-*): Error here if hosting on i750a.
752 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
754 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
755 Remove (empty modulo comments).
757 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
758 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
759 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
760 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
761 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
762 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
764 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
765 Remove reference to winnt.h in comment.
766 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
768 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
770 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
771 used to set another biv.
773 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
775 * tree.h (BLOCK_DEAD): New macro.
776 (struct tree_block): New flag, dead_flag.
777 * print-tree.c (print_node, case 'b'): Print missing fields.
778 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
779 * function.c (identify_blocks): Enable test for misplaced notes.
780 (all_blocks): Skip BLOCK_DEAD blocks.
781 * integrate.c (integrate_decl_tree): Likewise.
783 * errors.c (internal_error, trim_filename): New functions.
784 (fancy_abort): Call internal_error.
785 * errors.h (internal_error, trim_filename): New declarations.
787 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
789 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
791 (EXTRA_CONSTRAINT): Formatting changes.
793 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
795 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
797 2001-02-23 Per Bothner <per@bothner.com>
799 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
800 so they can be called from java/jvspec.c.
801 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
803 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
805 * i386.c (ix86_frame): New structure.
806 (ix86_compute_frame_size): Kill.
807 (ix86_compute_frame_layout): New.
808 (ix86_save_reg): New.
809 (ix86_can_use_return_insn_p): Use frame layout stuff.
810 (ix86_expand_prologue): Likewise.
811 (ix86_expand_epilogue): Likewise.
812 (ix86_initial_elimination_offset): Likewise.
813 (ix86_nsaved_regs): Use ix86_save_reg.
814 (ix86_emit_save_regs): Likewise.
816 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
818 * flow.c (find_sub_basic_blocks): New function.
819 (split_block): Be ready for basic block introduced by CODE_LABEL.
820 (commit_one_edge_insertion): Call find_sub_basic_block.
822 * flow.c (make_edges): Add edge from entry for blocks starting with
823 label having ALTERNATE_NAME
825 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
827 * function.c (epilogue_done): Be ready for first basic block not
828 containing PROLOGUE_END note.
829 (reposition_prologue_and_epilogue_notes): Avoid placing
830 PROLOGUE_END note between BASIC_BLOCK.
832 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
834 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
836 2001-02-21 DJ Delorie <dj@redhat.com>
838 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
839 check for current_function_has_nonlocal_goto from 1999-11-12.
841 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
843 * diagnostic.c (trim_filename): No longer static.
844 * toplev.h (trim_filename): Declare.
845 * rtl.c (rtl_check_failed_bounds): Call internal_error.
846 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
847 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
848 (rtvec_check_failed_bounds): Likewise.
849 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
851 * convert.c (convert_to_integer): Don't do unsigned unless result or
852 both inputs are unsigned.
854 * fold-const.c (fold_convert): Don't call size_int_type_wide if
857 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
859 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
861 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
863 * Makefile.in (resource.o): Add params.h dependence.
864 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
865 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
866 * resource.c: Add dependence on params.h.
867 (current_live_regs): Fix explanatory comment.
868 (find_basic_block): Add new parameter to permit limiting search
870 (mark_target_live_regs): Add new argument to find_basic_block call.
871 (incr_ticks_for_insn): Likewise.
873 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
875 * diagnostic.c (output_to_stream): Rename to
876 output_buffer_to_stream. Loses the stream parameter.
877 (init_output_buffer): Set diagnosic_buffer's stream.
878 (flush_diagnostic_buffer): Adjust.
879 (default_print_error_function): Likewise.
880 (finish_diagnostic): Likewise.
881 (verbatim): Likewise.
883 * diagnostic.h (struct output_buffer): Add `stream' field.
884 (output_buffer_attached_stream): New macro.
886 2001-02-23 Jakub Jelinek <jakub@redhat.com>
888 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
889 check if either operand is divisible by C.
890 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
891 If type is signed, consider negative numbers as well.
893 2001-02-22 Richard Henderson <rth@redhat.com>
895 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
896 reach .text instead of gp-relative relocs.
897 * config/ia64/crtend.asm (.init): Likewise.
899 2001-02-22 Andreas Jaeger <aj@suse.de>
901 * extend.texi (C++ Attributes): Fix typo.
903 2001-02-21 David Mosberger <davidm@hpl.hp.com>
905 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
906 functions, drop current_function_args_info.words test.
907 (ia64_compute_frame_size): Mark syscall_linkage functions as
908 using eight input registers.
910 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
911 Bruce Korb <bkorb@gnu.org>
913 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
914 * fixinc/README: Document how to convert sed substitutions
915 to format style c_fix-es.
916 * fixinc/fixincl.x: regen
918 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
920 * gcc.c: Add comment explaining how to add a command-line option.
921 Add title to specs language comment.
923 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
925 * gcc.c (cc1_options): Add "-param".
926 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
927 (option_map): Likewise.
928 * toplev.c (display_help): Add entry for "--param".
929 (independent_decode_option): Fix typographical error.
931 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
932 Bernd Schmidt <bernds@redhat.com>
933 Jan Hubicka <jh@suse.cz>
935 * i386.c (function_arg_advance): Pass SSE arguments in registers.
936 (function_arg): Likewise.
938 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
940 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
942 2001-02-21 Kazu Hirata <kazu@hxi.com>
944 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
948 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
950 * flow.c (init_propagate_block_info): Canon address and use single_set
951 for killing dead memory stores.
953 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
955 * Makefile.in (reorg.o): Add params.h dependence.
956 * params.def: Fix typographical error in comment.
957 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
958 * params.h: Modify introductory comment.
959 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
960 * reorg.c: Add dependence on params.h.
961 (redundant_insn): Add parameterized throttle for search.
962 (fill_simple_delay_slots): Add a comment explaining a variable.
963 Move conditional out of loop, simplifying code.
964 (fill_eager_delay_slots): Fix typographical error in comment.
966 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
968 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
970 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
971 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
973 2001-02-21 Jason Merrill <jason@redhat.com>
975 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
976 (struct tree_decl): Add uninlinable bitfield.
977 * c-decl.c (duplicate_decls): Set it.
978 * integrate.c (function_cannot_inline_p): Check it.
980 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
981 DW_AT_MIPS_linkage_name to abstract methods.
982 (dwarf2out_abstract_function): Emit class context before calling
983 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
984 (gen_subprogram_die): Remove obsolete code.
985 (gen_member_die): Don't include clones in the member list.
986 (gen_decl_die): Emit abstract info for clone origin.
987 * dwarfout.c (output_type): Don't include clones in the member list.
988 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
989 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
990 DECL_ABSTRACT on a function that already has it set.
992 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
993 (get_subprogram_die): Pass it in.
995 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
997 * flow.c (mark_set_1): Make not_dead unsigned long. For
998 non-pseudos, use it as a bitmask of the hard regs that
1001 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1003 * cppfiles.c: Update comments.
1004 (_cpp_read_file): Don't check for NULL filenames any more.
1005 * cppinit.c (cpp_start_read): Don't do canonicalization of
1006 in_fname and out_fname. Use the passed file name exclusively.
1007 (_cpp_handle_options): Don't treat "-" as a command line option,
1008 but as a normal filename.
1009 (_cpp_post_options): Canonicalize in_fname and out_fname.
1010 * cppmain.c (printer_init): Don't check out_fname for NULL.
1011 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1012 (init_c_lex): Update, and use "" to represent stdin to CPP.
1015 2001-02-20 Will Cohen <wcohen@redhat.com>
1017 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1018 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1019 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1022 2001-02-20 Stan Shebs <shebs@apple.com>
1024 * config/rs6000/rs6000.c (output_cbranch): Output branches
1025 on separate lines instead of using ';' to separate.
1027 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1029 * cppinit.c (set_lang): Move builtin handling to...
1030 (init_builtins): ...here.
1031 (_cpp_create_reader): Move call to set_lang.
1033 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1035 * stmt.c (expand_return): If an attempt is made to return the
1036 error_mar_node, treat the return like a return without a value.
1038 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1040 * sibcall.c (skip_copy_to_return_value): Call
1041 identify_call_return_value here, and return orig_insn if it
1042 returns zero. Hardret and softret arguments now unnecessary.
1043 (call_ends_block_p): Don't call identify_call_return_value here.
1045 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1047 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1048 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1050 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1052 * pa.c (move_operand): Accept code to load the address of a
1053 symbol out of the DLT as a valid move operand.
1054 (print_operand, case 'A'): New to handle generating a DLT
1055 reference for a LO_SUM expression.
1056 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1057 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1059 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1061 * README, cpp.texi, gcc.texi, version.c: Update version number to
1063 * cpp.1, gcov.1, gcc.1: Regenerate.
1065 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1067 * cppfiles.c (stack_include_file): Generate dependencies
1068 here, and manage include_count here too.
1069 (PRINT_THIS_DEP): Delete.
1070 (_cpp_execute_include): Do not generate dependencies here,
1071 apart from the case of a missing header. Do not manage
1073 (_cpp_read_file): Leave dependency generation to
1076 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1078 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1079 target_cpu_default. Remove dead assignment to
1082 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1084 * regclass.c (contains_reg_of_mode): Make global.
1085 (init_reg_sets): Remove contains_reg_of_mode; take into account
1086 CLASS_MAX_NREGS when looking for the proper mode.
1087 (dump_regclass): Dump only classes considered for the pseudo.
1088 (regclass): Use contains_reg_of_mode.
1090 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1092 * gcc.c (do_spec_1): 'n' for printing notices.
1093 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1095 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1097 * reg-stack.c (next_flags_user): Use current_block->end
1098 (swap_rtx_condition): Look for next user if flags don't die;
1099 give up on CALL_INSNs; use current_block->end.
1101 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1103 * sibcall.c (call_ends_block_p): New function.
1104 (optimize_sibling_and_tail_recursive_call): Use it.
1106 2001-02-18 Kazu Hirata <kazu@hxi.com>
1108 * config/h8300/h8300.md: Update copyright.
1109 (andsi3): Do not output an extra newline character.
1111 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1113 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1114 FNDECL may be unused.
1116 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1117 follow jumps after first run.
1118 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1119 it doesn't change any jumps.
1121 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1123 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1124 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1125 (mostlyclean): Corresponding changes.
1126 * rtlanal.c (hard-reg-set.h): Include.
1127 (rtx_unstable_p): Do not treat the argument pointer specially
1128 if it is not a fixed register.
1129 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1131 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1133 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1134 against last real insn in basic block.
1135 Rework to avoid gotos.
1137 * Makefile.in (gcse.o): Now includes ggc.h.
1138 * gcse.c: Include ggc.h.
1139 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1140 (try_replace_reg): Remove warning of uninitialize variable.
1141 (process_insert_insn): Call invalid_insn_p to validate insn.
1142 * recog.c (insn_invalid_p): Now global.
1143 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1144 * recog.h (insn_invalid_p): New declaration.
1146 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1148 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1149 assignments from FP constants since 'Y' output code can't handle it.
1150 (eligible_for_sibcall_delay): Likewise.
1152 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1153 Call fancy_abort directly, passing args.
1154 (print_rtl_and_abort): Now a macro, like fancy_abort.
1156 * final.c (output_operand_lossage): Use internal_error, not error.
1158 2001-02-18 Shane Nay <shane@agendacomputing.com>
1160 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1161 structure shift insns.
1163 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1165 * invoke.texi (-fsquangle): Remove documentation.
1166 (-fname-mangling-version): Likewise.
1168 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1170 * optabs.c (expand_abs): Remove reference to
1171 HAVE_contitional_arithmetic.
1172 * combine.c (simplify_set): Likewise.
1174 2001-02-18 Richard Henderson <rth@redhat.com>
1176 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1179 2001-02-18 Richard Henderson <rth@redhat.com>
1181 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1183 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1185 * reload1.c (reload_cse_simplify_set): Fix typo.
1187 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1189 * diagnostic.c (_fatal_insn): Decrement errorcount.
1191 * invoke.texi (-I): Add note avoiding use for system header files.
1193 * rtl.h (add_clobbers): Remove duplicate declaration.
1194 * recog.h (added_clobbers_hard_reg_p): New declaration.
1195 * genemit.c (struct clobber_pat): New field has_hard_reg.
1196 (gen_insn): Record if added clobbers clobber hard reg.
1197 (gen_split): Avoid unused warning if number of operands is 0.
1198 (output_added_clobbers_hard_reg_p): New function.
1201 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1203 * pa.c (hppa_expand_prologue): Simplify code storing return
1204 pointer. For large (>=8k) frames with a post_store, adjust stack
1205 pointer by 8k-64 first rather than by 64. When testing with
1206 VAL_14_BITS_P, always use the actual value rather than the value
1207 negated. Add blockage to prevent scheduling of spills before
1208 stack frame has been created.
1209 (hppa_expand_epilogue): Simplify code loading return pointer.
1210 Allow a slightly larger range for merge_sp_adjust_with_load case.
1211 When testing with VAL_14_BITS_P, always use the actual value.
1213 * pa.c (pa_adjust_insn_length): Check that block move
1214 pattern is a set before looking at operands.
1216 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1218 * fold-const.c (fold_binary_op_with_conditional_arg): New
1219 function, split out from ...
1221 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1222 conditional arms that throw exceptions.
1224 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1227 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1229 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1230 define HAVE_DECL_* to 1 to mask potential backup declarations.
1231 * configure: Regenerated.
1233 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1235 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1237 2001-02-17 Richard Henderson <rth@redhat.com>
1239 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1240 when replacing a memory load with a register.
1242 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1243 Jan Hubicka <jh@suse.cz>
1245 * recog.c (validate_replace_src_1): New.
1246 (validate_replace_src_data): Likewise.
1247 (validate_replace_src): Use note_uses.
1248 * rtl.h (note_uses): Declare.
1249 * rtlanal.c (note_uses): New.
1251 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1253 * reg-stack.c (stack_def): Make field reg unsigned.
1254 (remove_regno_note): Unsignetize parameter.
1256 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1258 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1259 shladd_operand() call.
1261 2001-02-16 Bruce Korb <bkorb@gnu.org>
1262 Rodney Brown <RodneyBrown@mynd.com>
1264 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1265 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1266 machine restrictions
1267 * fixinc/fixincl.x: regen
1269 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1271 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1273 (hash_scan_insn): Clean up calls to hash_scan_set.
1274 (compute_kill_rd): REGNO now unsigned.
1275 (try_replace_reg): Rework to use simplify_replace_rtx.
1276 (cprop_jump, cprop_cc0_jump): Likewise.
1277 (cprop_insn): Call find_reg_equal_equiv_note.
1278 Reflect changes to cprop_jump and cprop_cc0_jump.
1280 * recog.c (validate_replace_src): Replace in operands of
1281 ZERO_EXTRACT in SET_DEST.
1283 * cse.c (new_label_ref): New variable.
1284 (insert): Set it instead of recorded_label_ref.
1285 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1286 CODE_LABEL for this function, and not already in REG_LABEL note.
1288 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1290 * resource.c (mark_referenced_resources): Fix typo in introductory
1292 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1295 2001-02-16 Jason Merrill <jason@redhat.com>
1297 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1299 (gen_subprogram_die): Don't abort on seeing a second definition if
1300 the previous one was abstract. Don't replace an abstract instance
1301 in the lookup table.
1303 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1304 gen_abstract_function.
1305 * dwarf2out.h: Declare it.
1306 * toplev.c (note_outlining_of_inline_function): New fn.
1307 * toplev.h: Declare it.
1308 * integrate.c (output_inline_function): Call it.
1309 * c-decl.c (duplicate_decls): Call it when redefining an extern
1310 inline. Don't inline the new defn.
1312 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1314 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1316 * .gdbinit: Rename to gdbinit.in.
1317 * gdbinit.in: New file,
1318 * configure.in: Generate .gdbinit from gdbinit.in.
1319 * configure: Regenerated.
1320 * Makefile.in (distclean): Always remove .gdbinit.
1322 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1324 * objc/objc-act.c (start_class): Register implemented_classes with
1327 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1329 * cppfiles.c (_cpp_make_system_header): Generate a file
1332 2001-02-15 Jim Meyering <meyering@lucent.com>
1334 * Makefile.in (install-common): Don't depend on installdirs here.
1335 Instead, make each of the lang.install-common targets (e.g.,
1336 c++.install-common in cp/Make-lang.in) depend on it.
1337 (install-driver): Depend on installdirs.
1339 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1341 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1343 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1346 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1348 * invoke.texi (--param): Document.
1350 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1352 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1354 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1356 * i386.md (extendsfdf2_2): Fix constraints.
1358 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1360 * i386.md (fop_df_3 splitter): Fix operand number.
1362 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1364 * invoke.texi (-mreg-alloc): Nuke.
1365 * i386.c (ix86_reg_alloc_order, regs_allocated,
1366 order_regs_for_local_alloc): Nuke.
1367 (override_options): Kill reg_alloc code.
1368 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1369 (REG_ALLOC_ORDER): SSE goes before I387.
1370 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1371 (ix86_reg_alloc_order): Likewise.
1372 * i386-protos.h (ix86_reg_alloc_order): Kill.
1374 2001-02-14 Richard Henderson <rth@redhat.com>
1376 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1378 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1380 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1382 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1384 * i386-protos.h (ix86_memory_move_cost): Move offline.
1385 * i386.c (ix86_register_move_cost): Compute properly cost of
1386 SSE, MMX and i387 instructions.
1387 (*_cost): Add costs of SSE/MMX moves.
1388 (ix86_memory_move_cost): Move offline from ....; Likewise.
1389 * i386.h (MEMORY_MOVE_COST): .... here;
1390 (struct processor costs): Add new fields to represent costs
1393 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1395 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1396 move_cost together with Matt Kraai's fix.
1398 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1400 * Makefile.in (OBJS): Add params.o.
1402 2001-02-14 Richard Henderson <rth@redhat.com>
1403 DJ Delorie <dj@redhat.com>
1405 * jump.c (jump_optimize_1): When we delete a conditional jump
1406 preceeding a non-conditional jump to effectively the same place,
1407 make sure that the combined jump skips any clobber insns between
1410 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1412 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1414 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1416 * Makefile.in (toplev.o): Depend on params.h.
1417 (intergate.o): Likewise.
1418 (params.o): New target.
1419 * flags.h (inline_max_insns): Remove.
1420 * integrate.c: Include params.h.
1421 Use MAX_INLINE_INSNS instead of inline_max_insns.
1422 * params.c: New file.
1423 * params.h: Likewise.
1424 * params.def: Likewise.
1425 * toplev.c: Include params.h.
1426 (lang_independent_params): New variable.
1427 (decode_f_option): Use the param machinery instead of setting
1429 (independent_decode_option): Handle "--param name=value".
1430 (main): Register language-independent parameters.
1432 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1434 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1436 2001-02-14 Richard Henderson <rth@redhat.com>
1438 * regclass.c (init_reg_sets_1): Revert last two changes.
1440 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1442 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1443 (variable_size): Call put_pending_size.
1444 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1445 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1446 sizes list, put newly created SAVE_EXPR there as well.
1448 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1450 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1451 (errata_find_address_regs): load_group has only 2 entries.
1452 (errata_emit_nops): Likewise. shladd is not problematic.
1453 Clear last_group if nop was emitted.
1454 (fixup_errata): load_group has only 2 entries.
1457 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1459 * c-lex.c (lex_number): Only warn traditionally for U suffix
1460 outside system macros.
1461 * cppexp.c (parse_number): Similarly.
1462 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1463 * cppmacro.c (struct cpp_macro): New member node.
1464 (parse_args): Only warn about missing rest args if not
1466 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1467 (cpp_sys_objmacro_p): New.
1468 (_cpp_create_definition): Store the node with the macro defn.
1469 Remember if the macro is defined in a system header.
1471 2001-02-13 DJ Delorie <dj@redhat.com>
1473 * configure.in (check_languages): determine languages to check
1474 * Makefile.in (check-c++): alias for check-g++
1475 (check-f77): alias for check-g77
1476 (CHECK_TARGETS): depend on configured languages
1478 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1480 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1481 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1482 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1483 (sqrtextendsfdf2): Disable for SSE2.
1485 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1487 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1488 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1489 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1490 (sqrtextendsfdf2): Disable for SSE2.
1492 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1494 * i386.md (movsfcc_1): Support integer cmove instruction.
1495 (movdfcc_1): Likewise; new splitter.
1497 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1499 * i386.c (output_fp_compare): Support SSE.
1500 (prepare_fp_compare_args): SSE comparisons always support memory.
1501 * i386.h (TARGET_CMOVE): SSE imply cmove.
1502 * i386.md (cmp?f2): Enable for SSE too.
1503 (cmpfp_i*): Support SSE.
1505 (cmpfp_i_sse_only): New.
1506 (s*, b* fp expanters): Enable for SSE too.
1507 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1510 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1512 * regclass.c (init_reg_sets_1): Silence warning.
1514 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1516 * i386.md (sqrt?f2): Change to expander.
1517 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1519 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1521 * rtlanal.c (find_reg_equal_equiv_note): New function.
1522 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1523 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1524 * rtl.h: Add declarations for above functions.
1526 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1528 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1530 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1531 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1532 * flow.c (mark_regs_live_at_end): Likewise.
1533 (calculate_global_regs_live): Likewise.
1534 * gcse.c (compute_hash_table): Likewise.
1535 (compute_kill_rd): Likewise.
1536 * resource.c (mark_target_live_regs): Likewise.
1537 * rtl.h (INVALID_REGNUM): New macro.
1539 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1541 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1543 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1545 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1548 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1550 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1552 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1553 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1554 (fop_sf_1_sse, fop_df_1_sse): New patterns
1555 (fop_*): Disable float_extend and float patterns for SSE compilation.
1556 * i386.c (output_387_binary_op): Support SSE.
1558 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1560 * i386.md (dummy_extendsfdf2): Support SSE2
1561 (extendsfdf2): Enable if 80387 or SSE2.
1562 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1563 and no MIX_I387_SSE2
1564 (extendsfdf2_1_sse_only): New pattern.
1565 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1567 (truncdfsf2_1): Support SSE.
1568 (truncdfsf2_2): Support SSE.
1569 (truncdfsf2_2_1_sse): New pattern.
1570 (fixtruncsfsi2): Always use SSE if available.
1571 (fix_truncsfsi_sse): New pattern.
1572 (fix_truncdfsi_sse): New pattern.
1573 (floatsis?f2): Support SSE.
1574 (floatsidf2_i387): New pattern.
1575 (floatsidf2_sse): Likewise.
1577 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1579 * configure.in: Use "have_gnat" variable, not "gnat".
1580 * configure: Regenerated.
1582 * config/sparc/sparc.c (function_value): Treat all non-record
1583 aggregate types like used to treat UNION_TYPE.
1585 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1587 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1588 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1590 (MASK_MIX_SSE_I387): New.
1591 (TARGET_SSE): SSE2 imply SSE.
1592 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1593 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1594 (enum reg_class): Add new classes.
1595 (REG_CLASS_NAMES): Likewise.
1596 (REG_CLASS_CONTENTS): Likewise.
1597 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1598 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1599 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1600 (CLASS_MAX_NREGS): Use new macros.
1601 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1602 * i386.md (pushsf, movsf): Support SSE.
1603 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1604 splitters to use ANY_FP_REGNO_P.
1605 (movdf_nointeger, movdf_integer): Likewise.
1607 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1609 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1610 (try_combine): Use it.
1612 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1614 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1615 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1616 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1617 (REGISTER_MOVE_COST): Likewise.
1618 * i386-protos.h (ix86_secondary_memory_needed,
1619 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1620 * i386.c (ix86_secondary_memory_needed,
1621 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1623 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1625 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1626 (HARD_REGNO_MODE_OK): Move offline to ....
1627 * i386.c (ix86_hard_regno_mode_ok) ... here;
1628 refuse all incorrect modes.
1629 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1631 2001-02-13 Richard Henderson <rth@redhat.com>
1633 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1634 entire operator; replicate that and match_dup the operands.
1635 (cmp_ccx_arith_op_set): Likewise.
1636 (cmp_cc_arith_op_not_set): Likewise.
1637 (cmp_ccx_arith_op_not_set): Likewise.
1639 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1641 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1643 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1645 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1646 (TARGET_NO_BITFIELD_WORD): New macro.
1647 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1648 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1650 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1652 * cselib.c: New file, from simplify-rtx.c.
1653 * simplify-rtx.c: Remove cselib parts.
1654 * Makefile.in: Add cselib.o.
1656 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1658 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1659 (setup_incoming_varargs): Remove warning.
1661 * config/rs6000/rs6000.c (validate_condition_mode): When
1662 flag_fast_math, allow floating-point conditionals to be reversed.
1663 (rs6000_generate_compare): When flag_fast_math, don't generate
1664 cror operations for FP conditionals.
1666 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1668 (ASM_SPEC): Likewise.
1669 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1670 (CC1_SPEC): Likewise.
1671 (LINK_TARGET_SPEC): Likewise.
1672 (CPP_ENDIAN_SPEC): Likewise.
1673 * Makefile.in (check-consistency): New target.
1675 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1677 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1678 "return type defaults" warning for functions with return type
1680 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1681 function declarations by default rather than only when pedantic.
1683 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1685 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1688 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1690 * extend.texi (Deprecated): Deprecate new initializer lists.
1692 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1694 * mkdeps.c (deps_add_default_target): Robustify. Add
1695 basename component only.
1696 * cpp.texi (-M): Describe how default target is generated.
1697 * invoke.texi (-M): Likewise.
1699 2001-02-12 Kazu Hirata <kazu@hxi.com>
1701 * toplev.c (push_float_handler): Remove.
1702 (pop_float_handler): Remove.
1703 * toplev.h: Remove prototypes for the above functions.
1705 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1707 * c-common.c (constant_fits_type_p): New function.
1708 (convert_and_check): Use it.
1710 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1712 * Makefile.in (GXX_ABI_FLAG): Don't define.
1713 * configure.in (--enable-new-gxx-abi): Remove option.
1714 * config.in: Regenerated.
1715 * configure: Likewise.
1717 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1719 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1721 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1722 regular basic block, and arrange for all edges into it to switch
1725 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1727 * Makefile.in (distclean): Do not remove .gdbinit.
1729 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1731 * Makefile.in (gcc.o): Fix typos.
1732 (protize.o): Likewise.
1733 (unprotoize.o): Likewise.
1735 2001-02-11 Richard Henderson <rth@redhat.com>
1737 * tree.c (build1): Check for null operand in last change.
1739 2001-02-11 Richard Henderson <rth@redhat.com>
1741 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1742 (fold): Don't assume a constant isn't foldable.
1743 * tree.c (build): Set TREE_CONSTANT for an expression with no
1744 side-effects and constant operands.
1747 2001-02-10 Richard Henderson <rth@redhat.com>
1749 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1751 2001-02-10 Anthony Green <green@redhat.com>
1753 * cpp.texi (Standard Predefined): Add documentation for
1756 * c-common.c (combine_strings): Improve warning message.
1758 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1760 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1762 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1764 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1766 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1769 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1771 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1774 2001-02-09 Nick Clifton <nickc@redhat.com>
1776 * config/arm/arm.md: Change output contraint on post inc
1777 load/store multiple patterns to be a read/write contraint.
1779 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1781 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1782 .o files when using the -M options.
1784 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1785 David Edelsohn <edelsohn@gnu.org>
1787 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1788 handle DImode constants. Use one TOC entry for SImode and smaller
1789 constants, aligned properly.
1791 2001-02-08 Jason Merrill <jason@redhat.com>
1793 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1794 about the SP adjustment for saving the static chain pointer.
1795 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1796 offset when setting a temporary CFA register.
1798 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1800 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1801 powerpc-*-chorusos* .
1802 * config/rs6000/chorus.h : New file.
1803 * config/i386/chorus.h : New file.
1804 * config/sparc/chorus.h : New file.
1805 * config/sparc/t-chorus-elf : New file.
1807 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1809 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1810 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1811 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1812 (__WCHAR_TYPE__): Correct macro name.
1814 2001-02-08 Richard Henderson <rth@redhat.com>
1816 * config/i386/i386.c (ix86_frame_pointer_required): New.
1817 (ix86_setup_frame_addresses): New.
1818 (struct machine_funciton): Add accesses_prev_frame.
1819 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1820 ix86_frame_pointer_required.
1821 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1822 (SETUP_FRAME_ADDRESSES): New.
1823 * config/i386/i386-protos.h: Update.
1824 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1825 from FRAME_POINTER_REQUIRED.
1826 * config/i386/svr3gas.h: Likewise.
1827 * config/i386/sysv3.h: Likewise.
1828 * config/i386/v3gas.h: Likewise.
1830 2001-02-08 Richard Henderson <rth@redhat.com>
1832 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1833 calculation of the number of integer registers required.
1834 (function_arg_record_value): Likewise.
1836 2001-02-08 Jason Merrill <jason@redhat.com>
1838 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1839 two. Print file and line with "confused" message.
1841 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1843 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1845 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1847 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1849 * final.c (cleanup_subreg_operands): The address of a MEM can
1852 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1855 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1857 * gcc.texi (Incompatibilities): Update documentation of
1858 preprocessing numbers.
1860 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1862 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1864 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1866 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1868 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1869 * gcc.c (struct compiler): Add cpp_spec field.
1870 (input_file_compiler): New variable.
1871 (do_spec_1): Allow a particular compiler to handle `%C'
1873 (main): Store the current compiler in input_file_compiler.
1874 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1876 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1878 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1879 * cppinit.c (cpp_create_reader): Initialize them.
1880 (append_include_chain): cxx_aware arg might be unused.
1881 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1882 keywords and give them their phase 7 meaning. Pedwarn about
1883 this unless '__bool_true_false_are_defined' is defined.
1885 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1887 * lcm.c (optimize_mode_switching): Emit mode_set before the
1888 JUMP_INSN of an abnormal edge.
1890 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1892 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1893 a scheduling barrier at the end.
1895 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1897 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1899 * config/sh/sh.md (reload_outsf): Removed.
1900 (movsf_ie): Introduce constraints for FPUL loads and stores.
1901 (reload_insf): Broaden the output constraint.
1903 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1905 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1906 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1908 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1910 * final.c: Revert my previous changes.
1911 * output.h: Make profile_label_no extern.
1912 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
1913 for generating label.
1915 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
1917 * config/i386/djgpp.h: Add comments about standard paths.
1918 (MD_EXEC_PREFIX): Undefine before defining.
1919 (MD_STARTFILE_PREFIX): New.
1921 2001-01-30 Bruce Korb <bkorb@gnu.org>
1923 fixinc/fixincl.c(process): Emit error message only if appropriate :)
1924 (load_file): do not rely on load_file_data() to close file pointer
1925 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
1926 fixinc/inclhack.def(irix_limits_const): add test_text
1928 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1930 * cppexp.c (parse_defined): Improve diagnostics for invalid
1933 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
1935 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
1937 2001-02-06 Mark Mitchell <mark@codesourcery.com>
1939 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
1940 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
1941 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
1942 (rs6000_output_symbol_ref): New function.
1943 (output_toc): Use VTABLE_NAME_P.
1945 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1947 * print-tree.c (print_node, case PARM_DECL):
1948 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
1950 * stor-layout.c (reference_types_internal): New variable.
1951 (internal_reference_types): New function.
1952 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
1953 * tree.h (internal_reference_types): New declaration.
1955 * cse.c (find_best_addr): Fix typo in computing cost.
1957 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1959 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
1960 and this is the sum of a pointer and a constant, we know the result
1962 (num_sign_bit_copies, case PLUS): Likewise.
1963 * explow.c (convert_memory_address): Remove opposite SUBREG.
1964 * function.c (instantiate_new_reg): New function (from common code).
1965 (instantiate_virtual_regs_1): Call it.
1966 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
1967 if pointers sign- or zero-extend.
1968 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
1969 If pointers extend unsigned, use inside of SUBREG.
1970 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
1972 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
1974 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
1975 subdir of gcc_gxx_include_dir.
1976 (gcc_gxx_target_include_dir): Remove.
1978 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
1980 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
1981 (dwarf2out_frame_debug_expr): Revise introductory comments to add
1982 a high-level description.
1984 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
1986 * final.c: Move the declaration of profile_label_no to ...
1987 * output.h: ... here.
1988 * function.c (expand_function_start): Call PROFILE_HOOK.
1989 * config/rs6000/aix.h: Define PROFILE_HOOK.
1990 * config/rs6000/rs6000-protos.h: output_profile_hook new.
1991 * config/rs6000/rs6000.c (output_profile_hook): Define.
1992 (output_prolog): Do nothing for ABI_AIX as it is taken care by
1993 output_profile_hook.
1994 tm.texi : Explain new macro PROFILE_HOOK.
1996 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
1998 * extend.texi (Extended Asm): Do not say that semicolon is always
1999 a valid line-breaking character for GNU assemblers. Use
2000 newline-tab as the most commonly supported syntax. Use
2001 newline-tab rather than semicolon in multi-insn examples.
2003 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2005 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2007 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2008 David Edelsohn <edelsohn@gnu.org>
2010 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2011 code for AIX, even without flag_pic.
2013 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2015 * c-typeck.c (common_type): push and pop binding level around
2016 calling common_type on function parameters.
2018 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2020 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2022 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2024 * config/mips/mips.c (override_options): Fix typo in last change.
2025 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2026 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2028 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2030 * invoke.texi (-fdump-class-layout): Document.
2031 (-fdump-translation-unit): Use `=' as filename separator.
2033 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2035 * Makefile.in (s-mlib): Don't build multilibs if
2037 (DRIVER_DEFINES): Adjust accordingly.
2039 (protoize.o): Likewise.
2040 (unprotoize.o): Likewise.
2041 * configure.in: Recognize --enable-multilib.
2043 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2045 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2047 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2048 * configure.in: Remove --enable-libstdcxx_v3 support.
2049 * configure: Regenerated.
2051 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2053 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2054 Call abort instead of fatal.
2055 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2056 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2057 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2058 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2059 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2060 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2062 * diagnostic.h (set_internal_error_function): Renamed.
2063 * toplev.h (internal_error): Renamed from fatal.
2064 (pfatal_with_name): Deleted.
2065 (fatal_io_error): Now has printf-style arguments.
2066 * diagnostic.c (pfatal_with_name): Deleted.
2067 (fatal_io_error): Rework to have args in printf-style.
2068 (set_internal_error_function): Renamed from set_fatal_function.
2069 (internal_error): Renamed from fatal.
2070 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2071 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2072 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2073 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2074 * flow.c (verify_flow_info): Likewise.
2075 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2076 * config/mips/mips.c (save_restore_insns): Likewise.
2078 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2079 * flow.c (verify_flow_info): Likewise.
2080 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2081 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2082 (avr_normalize_condition): Likewise.
2083 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2084 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2085 (limit_reload_class, double_reg_to_memory): Likewise.
2086 (print_operand_address, emit_1600_code_shift): Likewise.
2087 (gen_tst_reg, gen_compare_reg): Likewise.
2088 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2089 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2091 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2093 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2094 * objc/objc-act.c (build_ivar_chain): Likewise.
2095 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2097 * graph.c (clean_graph_dump_file): Likewise.
2098 * profile.c (init_branch_prob): Likewise.
2099 * objc/objc-act.c (objc_init): Likewise.
2101 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2102 * config/avr/avr.c (avr_override_options): Likewise.
2103 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2104 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2105 * config/h8300/h8300.c (h8300_init_once): Likewise.
2106 * config/mips/mips.c (override_options): Likewise.
2107 * config/i386/i386.c (override_options): Likewise, rework.
2108 * config/m68k/m68k.c (override_options): Likewise.
2110 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2112 * config/mips/mips.c (print_operand): Likewise.
2113 * hash.c (hash_allocate): Don't check for failure returns from
2114 obstack functions that can't fail.
2115 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2116 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2117 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2118 (get_object_reference): Likewise.
2120 2001-02-04 Nick Clifton <nickc@redhat.com>
2122 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2123 StrongARM1110, 10TDMI, and 1020T.
2125 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2127 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2129 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2131 * config/sh/sh.md (movdf load split): Pass register number to
2132 FP_OR_XD_REGISTER_P.
2134 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2136 * cppinit.c (BC): New macro.
2137 (builtin_array): Add __GXX_WEAK__.
2138 * cpplib.h (builtin_type): Add BT_WEAK.
2139 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2140 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2141 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2143 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2145 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2147 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2149 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2150 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2152 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2154 * cpphash.h: Rename ALIGN _ALIGN.
2155 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2157 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2159 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2160 compilation environment.
2161 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2162 control over location of cygwin includes and libs.
2164 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2166 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2168 2001-02-02 lars brinkhoff <lars@nocrew.org>
2170 * md.texi (Standard Names): remove reference to spur.md.
2172 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2174 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2175 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2176 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2177 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2178 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2180 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2182 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2183 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2184 number before reload.
2185 (c4x_adjust_cost): Return zero before reload.
2186 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2187 split before reload.
2189 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2191 * c4x.c (c4x_hard_regno_rename_ok): New.
2192 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2193 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2195 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2197 * diagnostic.h: Add missing "extern" in all declarations.
2199 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2201 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2202 as for gcc_gxx_include_dir.
2204 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2206 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2208 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2210 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2211 label before alignment to be used as the braf base address.
2212 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2214 (casesi_jump_2): Require at least TARGET_SH2.
2216 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2217 truncation to 32-bit doubles on -m3e and -m4-single-only.
2219 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2221 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2222 the default when building a shared object.
2223 (init_spec): Use it.
2224 * testsuite/lib/g++.exp: Include the directory where libgcc
2225 is located to the LD_LIBRARY_PATH list.
2226 * invoke.texi (-shared-libgcc): Document the cases in which
2227 GCC defaults to using the shared libgcc.
2229 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2231 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2232 unsigned is wide enough.
2234 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2235 (si_to_float): Likewise.
2236 (float_to_si, float_to_usi): Use BITS_PER_SI.
2238 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2240 * dwarf2out.c: Added explanation of abbreviations.
2241 (def_cfa_1): Added comments listing DWARF2 instructions.
2242 (cfa_temp_reg): Removed in favor of cfa_temp.
2243 (cfa_temp_value): Removed in favor of cfa_temp.
2244 (cfa_temp): New global variable.
2245 (dwarf2out_frame_debug_expr): Added extensive introductory
2246 comments explaining the function's transformations. Revised to
2247 use cfa_temp. Added some rtx checking. Generalize IOR case.
2248 (dwarf2out_frame_debug): Revised to use cfa_temp.
2249 (output_aranges): Cast as "unsigned" to avoid warning.
2250 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2251 explain which instructions must be marked.
2253 2001-02-01 Richard Henderson <rth@redhat.com>
2255 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2258 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2260 * config/sh/crt1.asm (main_k): Modified so that start calls
2261 ___setup_argv_and_call_main.
2263 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2265 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2266 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2267 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2268 * cppmacro.c (builtin_macro): Set builtin flags here.
2269 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2270 (replace_args): Clarify intent.
2271 (cpp_get_token): Macro expansion tokens get the saved flags.
2273 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2276 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2278 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2281 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2283 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2284 returns Pmode pseudo, but we need ptr_mode.
2285 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2286 Remove bogus conversions; use HOST_WIDE_INT for size.
2287 Don't use TARGET if wrong mode.
2289 * config/i386/i386.c (ix86_compute_frame_size): Allow
2290 stack_alignment_needed to be non-default even if size is zero.
2292 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2294 * (hppa_init_pic_save): Emit the pic offset table
2295 reg save after last_parm_insn.
2296 * pa.c (hppa_init_pic_save): New function.
2297 * pa.h (hppa_init_pic_save): Declare.
2298 * pa.md (call, call_value, sibcall, sibcall_value): Use
2299 the above instead of duplicated code.
2301 * pa.c (hppa_encode_label): Correct size of alloca buffer
2302 so we don't overrun it. Correct leading `*' case.
2303 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2304 need to handle `*@'.
2305 (FUNCTION_NAME_P): Likewise.
2307 2001-01-31 Richard Henderson <rth@redhat.com>
2309 * config.gcc (alpha-osf5): Use float-i128.h.
2311 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2312 * config/float-i32.h: Likewise.
2313 * config/float-i64.h: Likewise.
2314 * config/float-sh.h: Likewise.
2315 * config/float-sparc.h: Likewise.
2317 2001-01-31 DJ Delorie <dj@redhat.com>
2319 * expmed.c (extract_bit_field): allow non-integral modes if we
2320 want to extract a whole register from itself.
2322 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2324 * c-typeck.c (set_init_index): If first is equal to last, assume as
2325 if it was not a range at all.
2327 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2329 * config/fp-bit.c: Include tm.h.
2330 (float_to_si): Don't assume SImode is 32-bits wide.
2331 (float_to_usi): Likewise.
2333 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2335 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2337 (typename): Call pending_xref_error after parsing typed_typespecs.
2338 * c-decl.c (lookup_tag): Give error immediately rather than
2339 leaving it pending if the tag of the wrong type is in the same
2341 (xref_tag): Don't pedwarn for forward declarations of enum types
2343 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2346 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2348 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2350 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2352 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2353 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2355 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2357 * cpphash.h (struct cpp_reader): New saved_flags.
2358 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2359 to avoid a paste after a pasted token.
2361 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2363 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2364 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2365 Wtype_MIN instead of LONG_MIN.
2367 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2369 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2371 * fixinc/fixincl.x: Regenerated.
2372 * fixinc/inclhack.def (irix_limits_const): New definition to
2373 convert "const" to "__const" in limits.h.
2375 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2377 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2379 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2381 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2382 when register dies in the insn.
2384 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2386 * diagnostic.c (fatal): Fix word wrap.
2388 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2390 * combine.c (try_combine): Fix SUBREG setting for
2391 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2393 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2395 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2398 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2400 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2402 * toplev.c (decode_W_option): Update warn_larger_than
2403 unconditionally for each processed switch.
2405 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2407 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2409 (hppa_expand_prologue): Delete code to save pic offset table register
2410 in the function prologue.
2411 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2412 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2413 table register at the beginning of the function after the prologue.
2415 2001-01-29 lars brinkhoff <lars@nocrew.org>
2417 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2419 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2420 Jeff Law <law@redhat.com>
2422 * pa.md (return): Revise comment for trivial return.
2423 (return_internal): Non-trivial return pattern for non-PIC code.
2424 (return_internal_pic): Non-trivial return pattern for PIC code.
2425 It uses the PIC register to ensure it is restored after
2427 (epilogue): Generate appropriate return for PIC and non-PIC code.
2429 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2431 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2433 2001-01-29 DJ Delorie <dj@redhat.com>
2435 * combine.c (if_then_else_cond): Pass the correct mode to
2436 operand_subword() for constants.
2438 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2440 * config/i386/cygwin.h: Add w32api to include search. Search different
2441 directories in a cross-build environment.
2443 2001-11-29 Tim Josling <tej@melbpc.org.au>
2445 * tree.h (TYPE_STUB_DECL): Add documentation.
2447 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2449 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2450 (sdbout_field_types): Likwise. Fix use of host_integerp.
2452 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2454 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2457 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2459 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2460 to use flag_gnu_linker.
2462 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2464 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2465 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2467 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2469 * tree.c, tree.h (build_parse_node): Remove; was identical to
2471 * c-lang.c (start_cdtor), objc/objc-act.c
2472 (build_module_descriptor): Use build_nt instead of
2475 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2477 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2478 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2479 not have any upper bits set.
2481 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2483 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2485 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2487 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2489 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2491 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2492 (integer_minus_one_node): Define.
2494 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2496 * Makefile.in (bootstrap2-lean): Fix typo.
2498 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2500 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2501 : Don't set fe_value.
2502 * cpplib.h (AVOID_LPASTE): New flag.
2503 (struct cpp_hashnode): Remove fe_value.
2504 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2505 * cppmacro.c (builtin_macro): Don't set flags here.
2506 (replace_args): Set AVOID_LPASTE flag on first token of an
2507 argument, and the token following it.
2508 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2509 macro expansion, and on the token following it. Do it for
2511 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2513 2001-01-27 Richard Henderson <rth@redhat.com>
2515 * config/alpha/t-ieee: Remove multilibbing.
2516 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2518 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2520 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2522 * Makefile.in: Remove all dependencies on defaults.h.
2523 * builtins.c: Don't include defaults.h.
2524 * c-common.c: Likewise.
2525 * c-decl.c: Likewise.
2526 * c-pragma.c: Likewise.
2527 * c-typeck.c: Likewise.
2528 * combine.c: Likewise.
2530 * frame-ia64.c: Likewise.
2531 * cppexp.c: Likewise.
2532 * crtstuff.c: Likewise.
2533 * dbxout.c: Likewise.
2534 * dwarf2out.c: Likewise.
2535 * dwarfout.c: Likewise.
2536 * emit-rtl.c: Likewise.
2537 * except.c: Likewise.
2539 * final.c: Likewise.
2540 * frame-dwarf2.c: Likewise.
2541 * libgcc2.c: Likewise.
2542 * optabs.c: Likewise.
2543 * profile.c: Likewise.
2544 * sdbout.c: Likewise.
2545 * toplev.c: Likewise.
2546 * tradcif.y: Likewise.
2548 * varasm.c: Likewise.
2550 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2552 * builtins.c (expand_builtin_fputs): Use size_one_node when
2553 transforming into fwrite.
2555 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2557 * extend.texi (Attribute Syntax): New section.
2559 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2561 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2562 they didn't need fixing.
2564 2001-01-27 Janis Johnson <janis@us.ibm.com>
2566 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2568 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2569 to remove macro definitions that are duplicated from elfos.h.
2571 2001-01-27 Richard Henderson <rth@redhat.com>
2573 * config/i386/sco5gas.h: Move ...
2574 * config/usegas.h: ... here.
2575 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2577 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2579 * c-typeck.c (struct constructor_stack): Add range_stack member.
2580 (really_start_incremental_init): Clear it.
2581 (push_init_level): Save constructor_range_stack and clear it if
2582 pushing explicit braces.
2583 (pop_init_level): abort if constructor_range_stack is non-zero at
2584 explicit closing brace. Restore saved constructor_range_stack if
2587 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2589 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2590 into register was forced into memory.
2592 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2594 * Makefile.in: Remove uses of + before $(MAKE).
2596 2001-01-26 Richard Henderson <rth@redhat.com>
2598 * stmt.c (cost_table): Remove.
2599 (COST_TABLE, cost_table_initialized): New.
2600 (estimate_case_costs): Use the later instead of the former.
2601 (balance_case_nodes): Likewise.
2603 2001-01-26 Richard Henderson <rth@redhat.com>
2605 * alias.c (objects_must_conflict_p): Read-only slots may not
2606 conflict despite having the same type.
2608 2001-01-27 Michael Hayes <mhayes@redhat.com>
2610 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2612 (check_ext_dependant_givs): Initialise u_start_val and
2614 (load_mems): Make last_max_reg unsigned.
2615 (try_swap_copy_prop): Use INSN_P and initialise set.
2617 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2619 * README.AVR : Removed.
2621 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2623 * pa-64.h (text_section): Remove declaration.
2625 * pa.md (return_internal): Remove mode on PIC register use.
2627 2001-01-25 lars brinkhoff <lars@nocrew.org>
2629 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2630 ASM_CLOSE_PAREN): fix typos.
2632 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2634 * acconfig.h: Define `const' to the empty string if neither
2635 __STDC__ nor __cplusplus is defined.
2636 * config.in: Regenerated.
2638 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2640 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2641 * collect2.c (main): Delete importf. Add ".obj" file extension.
2642 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2643 (aix_std_libs): Add additional AIX libraries to skip.
2644 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2645 * config/rs6000/aix51.h: New file.
2647 2001-01-25 Michael Hayes <mhayes@redhat.com>
2649 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2650 (loop_insn_emit_before): No longer static.
2651 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2652 (loop_givs_rescan, load_mems): Likewise.
2653 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2654 (maybe_eliminate_biv_1):
2655 (move_movables): Replace emit_call_insn_before with
2656 loop_call_insn_hoist.
2657 * loop.h (loop_insn_emit_before): Add.
2658 * unroll.c (copy_loop_body): Replace emit_insn_before with
2659 loop_insn_emit_before.
2661 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2663 * diagnostic.c (fatal): Request preprocessed source.
2665 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2667 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2668 olddecl has argument types and newdecl has none, use the argument
2671 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2673 * dwarf2out.c (prefix_of): New function. Determine longest common
2674 prefix of the two arguments. The units are whole path components.
2675 (output_file_names): When adding a new directory find the one entry
2676 with the longest common prefix already in the list. Artificially
2677 generate entry if there is none for this prefix.
2678 Fix test to check whether the zeroth directory entry is used.
2680 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2682 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2683 Changed all callers. Take it into account when deciding if a
2684 previously loaded value matches.
2686 2001-01-24 Richard Henderson <rth@redhat.com>
2688 * reload.c (find_reloads_subreg_address): Fail the substitution
2689 if the resulting address is insufficiently aligned.
2691 2001-01-24 DJ Delorie <dj@redhat.com>
2693 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2694 check the original operand's mode also.
2695 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2697 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2699 * c-parse.in (cast_expr): Move compound literals from here ...
2700 (primary): ... to here. Use standard terminology "compound
2701 literal" instead of "constructor expression".
2703 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2705 * gcc.1, cpp.1: Regenerate.
2707 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2709 * calls.c (emit_library_call_value_1): Memory slot for
2710 pass-by-reference argument should have the mode of the argument,
2711 not of the pointer to it.
2713 2001-01-24 Tom Tromey <tromey@redhat.com>
2715 * gcc.texi (G++ and GCC): Mention gcj manual.
2716 (Standards): Link to section of manual mentioning gcj/Java
2719 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2721 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2722 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2723 * tradcpp.c (main): Add -imacros or -include'd dependencies
2725 * cpp.texi (-M, -MM): Document -M -include behaviour.
2727 2001-01-24 Roger Collins <roger@ProProject.com>
2729 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2731 2001-01-24 Will Cohen <wcohen@redhat.com>
2733 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2734 whether registers are 32 bits or 64 bits in size.
2736 2001-01-24 Ben Elliston <bje@redhat.com>
2738 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2740 2001-01-24 Richard Henderson <rth@redhat.com>
2742 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2743 (builtin_longjmp): Use it instead of emit_indirect_jump.
2745 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2747 * bb-reorder.c (make_reorder_chain_1): Handle case where
2748 jump edge goes to the same block as the fallthru edge.
2750 2001-01-23 Jim Wilson <wilson@redhat.com>
2752 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2753 * frame.h (__ia64_personality_v1): Add prototype.
2754 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2755 prototype form. Add void * cast to first argument to personality
2757 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2758 (asctoe113): Likewise.
2759 * config/ia64/frame-ia64.c: Include eh-common.h.
2760 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2762 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2764 (itanium_split_issue): Add prototype.
2765 (gen_nop_type): Ifdef out.
2766 (find_best_packet): Initialize best_packet.
2767 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2769 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2770 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2771 (flushrs): Add explicit stop bit at end.
2772 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2775 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2777 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2779 * libgcc2.c (__terminate_func): Make variable static.
2780 (__terminate_set_func): New function to set __terminate_func.
2781 * libgcc2.h (__terminate_func_ptr): New typedef.
2782 (__terminate_set_func): New function.
2784 2001-01-23 Richard Henderson <rth@redhat.com>
2786 * flow.c (init_propagate_block_info): Don't consider unchanging
2787 memories for dead frame store elimination.
2789 2001-01-23 Richard Henderson <rth@redhat.com>
2791 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2792 * defaults.h: ... here.
2794 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2796 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2798 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2800 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2802 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2804 * rs6000.h (rs6000_return_addr): Move prototype from here...
2805 * rs6000-protos.h (rs6000_return_addr): ...to here.
2806 (rs6000_init_expanders): Delete prototype.
2808 2001-01-23 Nick Clifton <nickc@redhat.com>
2810 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2811 (Spec Files): Document %B and %j and %. and %v3 and %M and
2812 %{S*&T} spec switches.
2814 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2816 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2818 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2819 Neil Booth <neil@daikokuya.demon.co.uk>
2821 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2822 Have -Werror make pedantic warnings errors, like the
2825 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2827 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2829 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2831 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2832 * integrate.c (expand_inline_function): Initialize them.
2833 (subst_constants): If changing COMPARE so that both its arguments
2834 will be VOIDmode and the comparison mode will be lost, note
2835 compare_mode. Use the recorded compare_mode to optimize
2838 2001-01-23 Jason Merrill <jason@redhat.com>
2840 * dwarf2out.c (new_die): Use xcalloc.
2841 (output_die): Abort rather than emit a local reference to offset 0.
2843 2001-01-17 Andrew Haley <aph@redhat.com>
2845 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2846 of a saved register; return NULL instead.
2847 (copy_reg): Take a pointer to a source register rather than a
2849 (next_stack_level): Remember the address in the stack frame of all
2851 Use the saved register pointer array as the source of the CFA.
2852 (throw_helper): Rewrite. Unwind once rather than twice and keep
2853 track of saved registers as we go.
2855 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2857 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2858 * c4x.c (c4x_legitimize_reload_address): Remove.
2859 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2860 reload address for ldp(k) insn.
2862 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2864 * pa.md (return_internal): Add a USE of the PIC register to ensure
2865 it is restored after each call.
2866 (return expander): Corresponding changes.
2868 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2870 * rs6000.h (INIT_EXPANDERS): Delete.
2871 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2872 * rs6000.c (rs6000_override_options): Call *_machine_status from
2874 (rs6000_init_expanders): ...instead of here. Delete.
2875 (rs6000_mark_machine_status): New function.
2876 (rs6000_init_machine_status): Use xcalloc.
2877 (rs6000_return_addr): Generate RTX for the return address.
2878 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2879 (rs6000_stack_info): Use it.
2881 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2883 * gthr-win32.h: Include errno.h to get a declaration for
2884 EINVAL and _mingw.h if the target is mingw32.
2886 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2888 * cpp.texi: Correct typos.
2890 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2892 * explow.c (probe_stack_range): Ensure value passed to
2893 stack_check_libfunc is ptr_mode, not Pmode.
2895 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2897 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2898 case, don't use operand_subword to calculate a SUBREG that is
2901 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2903 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2905 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2906 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2907 valid. If not replace it by equivalent insns.
2909 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2911 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
2912 contains SYMBOL_REF, LABEL_REF and CONST_INT.
2913 (c4x_U_constraint, symbolic_address_operand): Likewise.
2914 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
2916 (c4x_r11_set_p, c4x_check_laj_p): New functions.
2917 * c4x-protos.h (c4x_check_laj_p): Add prototype.
2918 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
2919 anulling slot because of silicon bug.
2920 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
2922 2001-01-22 Alan Modra <alan@linuxcare.com.au>
2924 * cppexp.c (parse_charconst): Change `mask' type to agree
2927 2001-01-21 Richard Henderson <rth@redhat.com>
2929 * config/i386/i386.c (ix86_asm_file_end): Disable putting
2930 pic_label_name in a linkonce section.
2932 2001-01-17 Philipp Thomas <pthomas@suse.de>
2934 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
2936 * configure: Regenerate.
2938 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
2940 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
2941 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
2943 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
2945 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
2946 If REVERSE nonzero then condition code in X must be reversed.
2947 (encode_section_info): Optimise if/else.
2948 (avr_function_value): Fix formatting.
2950 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
2951 (difficult_branch): Likewise.
2952 (rvbranch): Likewise.
2953 (difficult_rvbranch): Likewise.
2955 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
2957 * config/avr/libgcc.S: Fix comment.
2959 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2961 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
2963 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2965 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
2967 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2969 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
2970 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
2971 * configure, config.in: Regenerate.
2972 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
2973 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
2974 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
2975 (doprint.o): New rule.
2977 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
2979 * c-typeck.c (digest_init): Handle boolean types as scalars.
2981 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2983 * stmt.c (expand_return): Don't return anything if size is zero.
2984 Delete redundant assignment to BYTES.
2985 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
2987 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
2989 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
2990 the same as the default library function names.
2991 * config/avr/avr.md: Document special characters after '%'.
2992 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
2993 knowing which of the call-used registers are really clobbered.
2994 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
2995 New. Both quotient and remainder from one libgcc.S call.
2996 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
2997 clobber as few registers as possible.
2998 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3000 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3002 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3003 context of the top of the stack.
3005 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3007 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3008 (fixup_var_refs_insns): ...here.
3010 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3012 * function.c (fixup_var_refs_insns): Break up into
3013 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3014 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3015 [loop over hash table entries].
3016 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3017 fixup_var_refs_insns_with_hash, to match above changes.
3019 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3021 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3022 (libgcc.a): Likewise.
3023 (stmp-multilib): Likewise.
3024 (STAGE2_FLAGS_TO_PASS): Likewise.
3026 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3028 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3029 temporary if no_new_pseudos.
3031 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3033 * cppinternals.texi: Update.
3035 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3037 * arm.c (arm_init_builtins): Re-enable builtins.
3039 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3041 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3042 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3043 element to be null, and always expect an EXPR_LIST.
3044 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3045 * sched-deps.c (sched_analyze_1): Likewise.
3046 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3048 * regclass.c (max_set_parallel): New variable.
3049 (reg_scan): Take it into account in computation of max_parallel.
3050 (reg_scan_mark_refs, case SET): Compute it.
3052 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3054 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3055 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3057 2001-01-19 Jason Merrill <jason@redhat.com>
3059 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3060 for the abstract instance of an inline function.
3062 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3063 J"orn Rennecke <amylaar@redhat.com>
3065 * reload1.c (move2add_note_store): Treat all registers directly or
3066 indirectly derived from a base register as members of the same set
3068 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3069 of base register into account.
3071 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3073 * alias.c (find_base_value): Recognize TRUNCATE.
3074 (record_set): In PLUS case, invalidate if other summand is also a
3077 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3079 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3080 entry to be EXPR_LIST.
3081 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3082 be an EXPR_LIST (but not null, which other code doesn't allow).
3083 (note_stores): Properly handle PARALLEL in SET.
3084 Recursively call for top-level PARALLEL.
3085 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3086 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3088 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3090 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3092 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3093 not pfile->skipping (== 0).
3095 2001-01-17 Nick Clifton <nickc@redhat.com>
3097 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3100 2001-01-17 Jim Wilson <wilson@redhat.com>
3102 * invoke.texi (IA-64 options): Improve.
3104 2001-01-17 Tom Tromey <tromey@redhat.com>
3106 * invoke.texi (Optimize Options): Use `{}' to around @samp
3109 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3111 * invoke.texi (-fno-guess-branch-probability): New option.
3113 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3115 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3116 case of making new double-word constant.
3117 Revert last change: instead just test i3_subst_into_i2.
3119 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3121 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3122 Use q constraints instead of r.
3124 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3126 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3127 (machine_function): Define.
3128 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3129 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3130 pa_free_machine_status): New functions.
3131 (override_options): Set {init,mark,free}_machine_status to above.
3132 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3133 PIC_OFFSET_TABLE_REGNUM_SAVED.
3134 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3135 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3136 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3137 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3138 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3140 2001-01-15 DJ Delorie <dj@redhat.com>
3142 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3146 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3148 * flow.c (propagate_on_insn): Make trying to delete a prologue
3149 or epilogue insn an ICE, not a warning. Allow doing this if
3150 the current function returns with stack pointer depressed.
3152 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3153 I3 having more than one SET.
3155 2001-01-16 Jim Wilson <wilson@redhat.com>
3157 * invoke.texi: Document IA-64 options.
3159 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3160 (fixup_errata): Delete TARGET_A_STEP use.
3161 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3162 (TARGET_SWITCHES): Delete -ma-step option.
3163 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3164 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3165 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3166 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3167 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3168 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3170 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3171 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3172 cmovsi_internal): Delete ! TARGET_A_STEP check.
3174 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3176 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3177 possibility to report bugs via postal mail. Change a URL and
3178 merge in a nearly duplicate statement...
3179 (Bug Reporting): ...from here.
3180 (Service): Refer to the Bug Reporting section instead of
3182 (Contributing): Remove trivial explanations concerning snapshots.
3184 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3186 * cppmain.c (general_init): Don't use ANSI prototype.
3188 2001-01-16 Tom Tromey <tromey@redhat.com>
3190 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3192 2001-01-16 Richard Henderson <rth@redhat.com>
3194 * config/i386/i386.h: Fix comment typo.
3195 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3196 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3198 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3200 * gcc.c: Revert previous -fsyntax-only-related change; move
3203 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3205 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3206 inmode after checking GET_CODE (op).
3208 2001-01-16 Richard Henderson <rth@redhat.com>
3210 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3211 (MAX_MEM_SET_LIST_LEN): New.
3212 (propagate_one_insn): Update mem_set_list_len.
3213 (invalidate_mems_from_autoinc): Likewise.
3214 (invalidate_mems_from_set): Likewise.
3215 (mark_used_regs): Likewise.
3216 (init_propagate_block_info): Likewise. Stop collecting memories
3217 when we reach MAX_MEM_SET_LIST_LEN.
3218 (mark_set_1): Likewise.
3220 2001-01-16 Richard Henderson <rth@redhat.com>
3222 * unroll.c (precondition_loop_p): Fail if no iteration
3225 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3227 * gcc.c: When -fsyntax-only is given, do not complain about
3230 2001-01-15 Richard Henderson <rth@redhat.com>
3232 * config/i386/i386.c (asm_output_function_prefix): Remove.
3233 (ix86_asm_file_end): New.
3234 (load_pic_register): Generate pic_label_name into a
3235 staticly allocated buffer.
3236 * config/i386/i386-protos.h: Update.
3237 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3238 (ASM_FILE_END): New.
3239 * config/i386/i386afe.h: New file.
3240 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3241 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3242 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3243 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3244 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3245 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3246 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3248 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3250 * Makefile.in (install-man): Remove explicit dependency on
3253 * configure.in, configure: Revert previous patch requiring perl
3256 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3258 * toplev.c (flag_guess_branch_prob): New.
3259 (f_options): Add guess-branch-probability option.
3260 (rest_of_decl_compilation): Only estimate branch probability if
3262 (main): set flag_guess_branch_prob.
3264 * flags.h (flag_guess_branch_prob): New.
3266 2001-01-15 DJ Delorie <dj@redhat.com>
3268 * gcc.texi (Makefile): Add documentation for Makefile targets.
3270 2001-01-15 Philip Blundell <philb@gnu.org>
3272 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3274 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3275 (is_pic): Delete declaration.
3276 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3277 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3278 * config/arm/arm.md (builtin_setjmp_receiver): New.
3280 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3282 * arm.c (use_return_insn): Don't try to determine the function type
3283 until after reload has completed.
3284 (arm_output_epilogue): Don't adjust the sp value recovered from the
3286 (emit_multi_reg_push): Don't record dwarf information for the pc.
3287 * arm.md (eh_epilogue): The function type may have changed, so it
3288 needs to be recalculated.
3289 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3290 unwind tables on arm/netbsd.
3292 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3294 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3295 (negated_cbranchsi4): Likewise.
3297 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3299 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3300 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3301 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3302 pass -mapcs-* options to assembler.
3303 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3304 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3305 (ASM_SPEC): Call subtarget_extra_asm_spec.
3307 2001-01-15 Andreas Jaeger <aj@suse.de>
3309 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3311 (ix86_expand_builtin): Likewise.
3313 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3314 warning about comparison between signed and unsigned.
3316 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3318 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3320 2001-01-14 Ralf Baechle <ralf@gnu.org>
3322 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3323 SUBTARGET_CPP_SPEC apropriatly.
3325 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3327 * varasm.c (make_decl_rtl): Fix typo in last change.
3329 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3331 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3332 linker supports the init_priority C++ attribute.
3333 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3334 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3335 linker does not support init_priority C++ attribute.
3337 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3339 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3341 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3343 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3344 * cp/lex.c (finish_parse): Similarly.
3345 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3346 Return the number of errors encountered.
3347 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3348 * cppmain.c (main): Don't call cpp_destroy.
3350 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3352 * configure.in: Require at least perl 5.6.0 to regenerate
3354 * configure: Regenerate.
3356 2001-01-14 Richard Henderson <rth@redhat.com>
3358 * genrecog.c (DT_veclen_ge): New.
3359 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3360 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3361 (nodes_identical_1): Handle DT_veclen_ge.
3362 (write_cond, debug_decision_2): Likewise.
3364 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3366 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3368 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3370 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3372 * cppmain.c (do_preprocessing): New function; most of the old
3374 (main): Call it to do most of the work.
3375 (cb): Move from global scope to set_callbacks ().
3376 (setup_callbacks): Get the callback pointer.
3377 (general_init, printer_init): Clean up code and comments.
3379 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3381 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3384 2001-01-14 Kazu Hirata <kazu@hxi.com>
3386 * config/h8300/h8300.c (get_shift_alg): Update comments.
3388 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3390 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3391 (alloc_page, ggc_alloc): Add casts to remove warnings.
3393 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3395 * combine.c (simplify_comparison): Don't change `code' when
3396 can't reverse comparison.
3398 2001-01-14 Richard Henderson <rth@redhat.com>
3400 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3401 update all call sites. Return true for all non-label constants.
3403 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3405 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3407 (ix86_expand_branch): Update.
3408 (ix86_expand_setcc): Update to handle multiple test conditions.
3409 (expand_int_movcc): Likewise.
3410 (expand_fp_movcc): Likewise.
3411 * i386-protos.h (ix86_expand_compare): New.
3412 * i386.md (andqi_?_slp, orqi_?_slp): New.
3413 (conditional trap expander): Update call to ix86_expand_compare.
3415 2001-01-14 Richard Henderson <rth@redhat.com>
3417 * config/vax/vax.md: Use nonimmediate_operand instead of
3418 general_operand in destinations.
3420 * config/vax/vax.md (indirect_jump): Use register_operand.
3422 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3423 * config/vax/vax.md (call_pop): Turn into an expander.
3424 (call_value_pop): Likewise.
3425 (call, call_value): New.
3427 2001-01-14 Andreas Jaeger <aj@suse.de>
3429 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3431 (ix86_fp_compare_mode): Add unused attribute.
3432 (ix86_expand_fp_movcc): Remove unused variable.
3433 (ix86_expand_builtin): Make fcode unsigned.
3435 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3436 (expand_expr): Add cast to avoid signed warning.
3437 (store_field): Likewise.
3438 (store_constructor_field): Likewise.
3439 (store_constructor): Likewise.
3440 (store_expr): Likewise.
3441 (clear_storage): Likewise.
3442 (emit_group_store): Likewise.
3443 (emit_group_load): Likewise.
3445 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3447 * c-common.c: Move format checking code to ...
3448 * c-format.c: ... here. New file. Reorder some functions and
3450 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3452 * c-common.h (decl_handle_format_attribute,
3453 decl_handle_format_arg_attribute): Declare.
3454 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3455 (c-common.o): Adjust dependencies.
3456 (c-format.o): New list of dependencies.
3458 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3460 * unroll.c (loop_iterations): If we cannot prove iteration variable
3461 is set once in each iteration, punt.
3463 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3465 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3466 (*strlenhi): Remove clobber (which was buggy) of output address.
3468 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3470 * Makefile.in (generated-manpages): Add gcc.1
3471 ($(srcdir)/gcc.1): New target.
3472 (maintainer-clean): Delete $(srcdir)/gcc.1.
3473 * gcc.texi: Add macros @gccoptlist and @gol.
3474 * invoke.texi: Include option summary in manpage. Mark up option
3475 summary with @gccoptlist and @gol. Use @r in one place where
3477 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3478 * gcc.1: Generate from invoke.texi.
3480 2001-01-13 Richard Henderson <rth@redhat.com>
3482 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3483 (struct page_entry): Add group member.
3484 (struct page_group): New.
3485 (struct globals): Add page_groups member.
3486 (alloc_anon): Only define for using mmap; remove valloc call.
3487 (page_group_index): New.
3488 (set_page_group_in_use): New.
3489 (clear_page_group_in_use): New.
3490 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3491 (free_page, release_pages): Likewise.
3492 * configure.in (with-gc): Default to ggc-page always.
3494 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3496 * reload1.c (replace_pseudos_in_call_usage): Use
3497 reg_equiv_constant and reg_equiv_address, and don't try
3498 regno_reg_rtx first.
3500 2001-01-13 Richard Henderson <rth@redhat.com>
3502 * ggc-page.c (alloc_page): Round up allocation size to one page.
3503 Set e->order on extra pages.
3505 2001-01-13 Richard Henderson <rth@redhat.com>
3507 * genrecog.c (nodes_identical): Expand commentary.
3508 (write_switch): Watch out for identical nodes.
3510 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3512 * cppfiles.c (_cpp_fake_include): New function.
3513 * cpphash.h (_cpp_fake_include): New.
3514 * cpplib.c (do_line): Call _cpp_fake_include when entering
3515 header files in preprocessed input.
3516 * cppmain.c (cb_pragma_implementation): Remove handling.
3517 (setup_callbacks): Don't register pragmas.
3519 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3521 * extend.texi: Udate for CPP.
3523 2001-01-13 Andreas Jaeger <aj@suse.de>
3525 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3527 * regmove.c: Add prototype for replace_in_call_usage.
3529 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3531 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3532 struct cpp_chunk, struct htab, struct toklist,
3533 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3534 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3535 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3536 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3537 (struct macro_args): Delete.
3538 * cpphash.h: See above.
3540 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3542 * cppmain.c (struct printer): Remove no_line_dirs.
3544 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3545 : Use options rather than CPP_OPTION.
3546 (setup_callbacks): Use cb rather than pfile->cb.
3547 (main): No need to check for a buffer. Use cpp_errors.
3548 (printer_init): Don't set no_line_dirs.
3549 (maybe_print_line): Use options not no_line_dirs.
3550 (cb_file_change): Don't call print_line if -P.
3552 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3554 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3556 * c-parse.in (finish_parse): Use cpp_errors.
3557 (__yylex): Use return value of cpp_pop_buffer.
3558 * cp/lex.c (finish_parse): Use cpp_errors.
3559 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3561 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3563 * README.AVR: URLs corrected.
3565 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3567 * c-decl.c (start_function): Don't warn if old prototype is builtin
3568 that's not in C's namespace.
3569 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3570 (_bb): Add prototype for ctime.
3571 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3573 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3575 * i386.c (ix86_fp_comparison_arithmetics_cost,
3576 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3577 ix86_fp_comparison_cost): New functions.
3578 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3579 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3580 two-branch sequences; make static.
3581 (ix86_use_fcomi_compare): Do decision according to the costs.
3582 (split_fp_branch): New.
3583 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3584 * i386-protos.h (ix86_expand_fp_compare): Remove
3585 (ix86_split_fp_branch): Declare.
3587 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3588 and ix86_comparison_operator.
3590 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3593 * i386.c (put_condition_code): Output properly the unordered/ordered
3594 compares in fp case.
3595 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3597 * tm.texi (REVERSE_CONDITION): Document.
3598 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3599 in -ffast-math mode.
3600 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3602 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3604 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3606 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3609 * config/sh/sh.c (mova_p): Fix test for mova_const.
3611 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3613 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3614 cpp_get_options rather than dereferencing pfile and using
3616 * scan-decls.c (scan_decls): Use return value of
3617 cpp_pop_buffer rather than CPP_BUFFER.
3619 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3621 * cppinit.c (cpp_handle_option): help_only is now part of the
3622 cpp_options structure.
3623 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3624 cpp_set_callbacks): New functions.
3625 * cpplib.h (cpp_callbacks): Break out as a named structure.
3626 (cpp_options): Move help_only here from cpp_reader.
3627 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3628 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3629 cpp_set_callbacks): New prototypes.
3630 * cppmain.c (main): Update for help_only.
3632 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3634 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3635 Also build and remove and install and uninstall c-tree.info and
3637 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3638 ($(srcdir)/cppinternals.info): New target.
3639 * c-tree.texi: Change file name used when makeinfo used without -o
3640 from ir.info to c-tree.info. Add info directory entry.
3641 * cppinternals.texi: Add info directory entry.
3642 * .cvsignore: Update.
3644 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3646 * c-typeck.c (store_init_value): Don't require constant initializer
3647 elements with -pedantic -std=c99.
3648 (digest_init): Change error about non-constant initializer elements
3650 (constructor_range_end): Remove.
3651 (constructor_incremental, designator_depth,
3652 designator_errorneous): New variables.
3653 (struct constructor_stack): Remove range_end, add incremental.
3654 (struct constructor_range_stack, constructor_range_stack): New.
3655 (struct initializer_stack): Add constructor_range_stack.
3656 (finish_init): Set it.
3657 (start_init): Likewise. require_constant_elements for non-static
3658 trees only if not flag_isoc99.
3659 (really_start_incremental_init): Remove constructor_range_end, add
3660 constructor_incremental.
3661 (pop_init_level): Likewise.
3662 (push_init_level): Likewise. If implicit and the subobject had some
3663 value set already, preinitialize the level with it.
3664 Warn about missing braces only if not pushing due to designators.
3665 (set_designator, push_range_stack): New functions.
3666 (set_init_label): Use them.
3667 (set_init_index): Likewise. Remove constructor_range_end.
3668 Error if designator index is outside of array bounds.
3669 (add_pending_init): Compare values of purpose index trees, not the
3670 trees themselves. Allow overwriting of already initialized element.
3671 Issue a warning if it had side-effects.
3672 (set_nonincremental_init, set_nonincremental_init_from_string): New
3674 (pending_init_member): Rename to...
3675 (find_init_member): ...this function. Call set_nonincremental_init
3676 if necessary. Compare values of purpose index trees, not the trees
3677 themselves. Return the actual value, not just non-zero if something
3679 (output_init_element): Remove checks for duplicates.
3680 If field has zero size, only check the initializer for correctness.
3681 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3682 if constructor_incremental is zero. Change error about initializers
3683 not computable at load time into pedwarn.
3684 (output_pending_init_elements): Compare bit positions, not
3685 FIELD_DECLs to take into account zero-sized fields.
3686 (process_init_element): Use constructor_range_stack to fill all
3687 ranges in the designator lists from current level up.
3688 * extend.texi: Update documentation for labeled elements.
3690 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3692 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3693 to function usage for arguments passed by reference. Optimize
3694 callee-copied arguments.
3695 * regmove.c (replace_in_call_usage): New function.
3696 (fixup_match_1): Call it.
3697 * cse.c (cse_insn): Canonicalize registers in function usage.
3698 * reload1.c (replace_pseudos_in_call_usage): New function.
3701 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3704 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3706 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3709 2001-01-12 DJ Delorie <dj@redhat.com>
3711 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3712 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3715 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3717 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3718 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3719 -std options alongside references to -ansi. Update some
3720 documentation for C99.
3721 * cpp.1: Regenerate.
3723 2001-01-12 Andreas Jaeger <aj@suse.de>
3725 * haifa-sched.c (restore_line_notes): Remove argument block B
3727 * sched-ebb.c (schedule_ebb): Change caller.
3728 * sched-rgn.c (schedule_region): Likewise.
3729 * sched-int.h (restore_line_notes): Adjust prototype.
3731 * loop.h: Remove wrong declaration of doloop_condition_get.
3733 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3735 * extend.texi: Move C++-extension-related node from the C section
3736 into the C++ section.
3738 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3740 * extend.texi: Refer to an array of pointers to functions instead
3741 of one of functions.
3743 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3744 Jan Hubicka <jh@suse.cz>
3746 * combine.c (reversed_comparison): Fix typo in last patch.
3748 (combine_reversed_comparison_code): Make static to follow
3749 prototype declaration.
3751 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3753 * install.texi: Remove misplaced duplicate entry.
3755 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3757 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3759 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3761 * final.c: (leaf_function_p): Fix typo.
3763 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3765 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3766 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3768 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3769 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3770 mmap_anon, and valloc is available.
3771 * ggc-page.c: Restructure ifdef logic to match new autoconf
3772 spec. Don't throw away the test page in init_ggc.
3774 * configure, config.in: Regenerate.
3776 2001-01-12 Michael Hayes <mhayes@redhat.com>
3778 * loop.h (total_biv_increment): Constify iv_class pointer.
3779 (struct induction): Replace `mem_mode' with `mem' rtx.
3780 * unroll.c (total_biv_increment): Constify iv_class pointer.
3781 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3782 (find_mem_givs, combine_givs_p): Likewise.
3783 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3785 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3787 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3789 (__gthread_getspecific): Ditto.
3791 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3793 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3794 put_condition_code): Convert fp comparison codes to integer
3796 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3799 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3800 * i386-protos.h (no_comparison_operator): Kill.
3802 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3804 * combine.c (REVERSIBLE_CC_MODE): Remove.
3805 (reversible_comparison_p): Remove.
3806 (combine_reversed_comparison_code): New.
3807 (reversed_comparison): New.
3808 (combine_simplify_rtx): Use
3809 combine_reversed_comparison_code/reversed_comparison instead
3810 of reversible_comparison_p.
3811 (simplify_if_then_else): Likewise.
3812 (simplify_set): Likewise.
3813 (simplify_logical): Likewise.
3814 (if_then_else_cond): Likewise.
3815 (known_cond): Likewise.
3816 (simplify_comparison): Likewise.
3818 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3820 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3821 sizeof (int) is larger than sizeof(__word__).
3823 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3825 * cppinit.c (do_includes): Fix typo.
3827 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3829 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3830 in S_REGS does not occur because not all sources are possible
3831 when a S_REGS is a destination (sometimes needs a clobber).
3832 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3833 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3834 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3835 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3836 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3837 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3838 (lshrdi_const1, lshrsi3_const16): Likewise.
3839 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3840 (*movhi_68hc12, *movqi_68hc12): Likewise.
3841 (movstrictqi): Make sure reloading in D_REGS as a destination
3844 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3846 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3848 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3850 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3851 -D, -U and -A, and don't initialize the builtins.
3852 (do_includes): Error if -include or -imacros with -fpreprocessed.
3853 * cppmain.c (cb_define, cb_undef): Unconditionally process
3855 * tradcpp.c (main): Fix typo.
3857 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3859 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3860 (read_name_map): Use IS_ABSOLUTE_PATH.
3861 * tradcpp.c (get_filename): Likewise.
3863 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3865 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3866 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3867 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3868 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3869 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3870 (cmphi_z_used): Don't use '@' for the output.
3871 (tstqi_z_used): Likewise.
3872 (cmpqi_z_used): Likewise.
3873 (one_cmplsi2): Likewise.
3875 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3877 * config/sh/sh.c (barrier_align): Recognize branch around far
3878 branch and redundant insn.
3880 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3882 * invoke.texi: Restore documentation of the drivers' switches -MD
3885 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3887 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3889 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3890 check-objc//%): Support parallel testing of multilibs.
3891 (TESTSUITEDIR): Set to testsuite by default, but override for
3893 (check-gcc, check-g++, check-g77, check-objc): Enter
3896 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3898 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3899 * sched-deps.c (deps_may_trap_p): Likewise.
3900 * basic-block.h: Remove a comment.
3901 * flow.c (PROP_POSTRELOAD): Remove.
3902 (update_life_info): Don't add it to prop_flags.
3903 (mark_set_1): Lose the code that was enabled by it.
3905 2001-01-11 Michael Hayes <mhayes@redhat.com>
3907 * flow.c (flow_call_edges_add): New.
3908 * basic_block.h (flow_call_edges_add): New.
3910 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
3912 * reload1.c (move2add_note_store): Update reg_set_luid even if
3913 base reg remains the same.
3915 2001-01-10 Nick Clifton <nickc@redhat.com>
3917 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
3918 machine_function structure to zero.
3919 Add prototypes for machine_status functions.
3921 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3923 * c-common.h (CTI_VOID_LIST): Remove.
3924 (void_list_node): Likewise.
3925 * tree.h (TI_VOID_LIST_NODE): New enumeral.
3926 (void_list_node): New macro.
3927 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
3928 * config/i386/i386.c (ix86_init_builtins): Likewise.
3929 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
3931 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
3933 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
3934 * cppinit.c (cpp_start_read): Update comment, remove unneeded
3936 * tradcpp.c: Include mkdeps.h.
3937 (deps, print_deps_phony_targets, deps_append, output_deps,
3938 init_dependency_output, output_deps): New.
3939 (deps_buffer, deps_allocated_size, deps_size, deps_column,
3940 deps_output): Delete.
3941 (print_deps_missing_files): Rename deps_missing_files.
3942 (inhibit_output): Make global.
3943 (main): Delete inhibit_output, deps_stream, deps_target.
3944 Use mkdeps functionality in the same way as cpplib. Remove
3945 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
3946 -M and -MM. Remove old handling of deps via deps_out, and
3947 old reading of environment variables.
3948 (get_filename): Update to use deps_add_dep.
3950 2001-01-10 Mark Mitchell <mark@codesourcery.com>
3952 * output.h (make_function_rtl): Remove prototype.
3953 (make_decl_rtl): Likewise.
3954 * varasm.c (make_function_rtl): Remove.
3955 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
3956 than from a third parameter.
3957 * tree.h (make_decl_rtl): Remove last parameter.
3958 * c-decl.c (builtin_function): Remove last argument in call to
3959 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
3960 (start_function): Likewise.
3961 * except.c (call_get_eh_context): Likewise.
3962 * expr.c (emit_block_move): Likewise.
3963 (clear_storage): Likewise.
3964 * profile.c (output_func_start_profiler): Likewise.
3965 * toplev.c (rest_of_decl_compilation): Likewise.
3966 * objc/objc-act.c (create_builtin_decl): Likewise.
3967 (synth_module_prologue): Likewise.
3968 (generate_static_reference): Likewise.
3969 (build_selector_reference_decl): Likewise.
3970 (build_class_reference_decl): Likewise.
3971 (build_objc_string_decl): Likewise.
3972 (build_protocol_reference): Likewise.
3974 2001-01-10 Richard Henderson <rth@redhat.com>
3976 * hwint.h: Revert yesterday's change.
3978 2001-01-10 Nick Clifton <nickc@redhat.com>
3980 * function.h (save_machine_status): Delete.
3981 (restore_machine_status): Delete.
3982 Amend comment describing {init|mark|free}_machine_status.
3984 * function.c (save_machine_status): Delete.
3985 (restore_machine_status): Delete.
3986 Amend comment describing {init|mark|free}_machine_status.
3987 (push_function_context_to): Remove invocation of
3988 save_machine_status.
3989 (pop_function_context_from): Remove invocation of
3990 restore_machine_status.
3992 * emit-rtl.c (init_emit_once): Amend comment describing
3993 {init|mark|free}_machine_status.
3995 * tm.texi (Per-Function Data): New node. Describe the
3996 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
3999 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4001 * cppinit.c (OPT_g): Remove.
4002 (cpp_handle_option): Update for removed -g3.
4003 (print_help): Update.
4004 * cpplib.h (struct cpp_options): Remove debug_output.
4005 * cppmain.c (setup_callbacks, cb_define): Update.
4006 * gcc.c (cpp_options): Translate -g3 to -dD.
4008 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4010 * config/i960/i960.md: Change modifier to + on the zero_extract
4011 pattern after the (rotate -2 reg) canonicalization pattern.
4013 2001-01-10 Richard Henderson <rth@redhat.com>
4015 * config/alpha/alpha.c (alpha_free_machine_status): New.
4016 (override_options): Install it.
4017 (alpha_mark_machine_status): Verify machine non-null.
4018 * config/i386/i386.c (ix86_free_machine_status): New.
4019 (override_options): Install it.
4020 (ix86_init_machine_status): Use xcalloc.
4021 (ix86_mark_machine_status): Verify machine non-null.
4022 * config/ia64/ia64.c (ia64_free_machine_status): New.
4023 (ia64_override_options): Install it.
4024 (ia64_mark_machine_status): Verify machine non-null.
4026 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4028 * function.c (instantiate_virtual_regs): Instantiate virtual
4029 registers found in CALL_INSN_FUNCTION_USAGE.
4031 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4033 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4034 equivalent to -ansi in disabling -Di386.
4036 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4038 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4040 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4042 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4044 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4046 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4048 * invoke.texi: Document that -fcond-mismatch isn't supported for
4051 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4053 * gcc.texi: Define macro gcctabopt.
4054 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4055 @command, @env and @option in some places where appropriate. Use
4056 @gcctabopt where appropriate. Put URLs and email addresses inside
4059 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4061 * gcc.c (cpp_options): Set MD file name from output
4062 filename, if specified.
4063 (suffix_subst): New static variable.
4064 (do_spec): Clear it.
4065 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4067 (give_switch): Handle suffix_subst.
4069 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4071 * invoke.texi: Fix another typo.
4073 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4075 * invoke.texi: Fix typo.
4077 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4079 * c-lang.c (lang_hooks): Update.
4080 (lang_decode_option): Remove.
4081 (lang_init_options): Rename c_init_options.
4082 * toplev.c (main): Use lang_hooks for lang_init_options
4083 and lang_decode_option.
4084 * toplev.h (lang_hooks): Add 2 new hooks.
4085 * tree.h: Remove lang_init_options and lang_decode_option.
4086 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4087 * cp/decl2.c: Similarly.
4088 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4089 (lang_hooks): Update.
4090 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4092 (lang_init_options): Rename ffe_init_options.
4093 (lang_hooks): Update.
4094 (lang_decode_option): Remove.
4095 * java/lang.c (lang_init_options): Rename java_init_options.
4096 (lang_decode_option): Rename java_decode_option.
4097 (lang_hooks): Update.
4098 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4099 (lang_decode_option): Rename objc_decode_option.
4100 (lang_hooks): Update.
4102 2001-01-09 Nick Clifton <nickc@redhat.com>
4104 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4105 (d30v_return_addr_rtx): Delete.
4106 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4107 cfun->machine structure.
4108 (struct machine_function): Move to d30v.h
4109 (d30v_save_machine_status): Delete.
4110 (d30v_restore_machine_status): Delete.
4111 (d30v_init_machine_status): New Function.
4112 (d30v_mark_machine_status): New Function.
4113 (d30v_free_machine_status): New Function.
4114 (d30v_init_expanders): Use new functions.
4115 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4116 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4117 d30v_return_addr_rtx.
4119 * config/d30v/d30v.h (struct_machine): Move here.
4120 Add eh_epilogue_sp_ofs field.
4122 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4123 field in cfun->machine structure.
4125 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4127 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4128 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4129 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4131 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4133 * objc/lang-options.h: Remove bogus reference to
4136 2001-01-09 Kazu Hirata <kazu@hxi.com>
4138 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4141 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4143 * reload.c (find_reloads_address): Check for eliminable registers
4144 when substituting a constant expression for a pseudo.
4146 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4148 * c-common.c (enum format_type): Add format_type_error.
4149 (decode_format_type): New function.
4150 (decl_attributes): Use it.
4151 (format_kind_info): Adjust comment.
4153 2001-01-09 David O'Brien <obrien@BSDi.com>
4155 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4156 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4158 * config/i386/gnu.h: Don't include required platform specific .h files,
4159 tm.h will do it instead.
4160 * config/i386/i386elf.h: Likewise.
4161 * config/i386/linux.h: Likewise.
4162 * config/i386/moss.h: Likewise.
4163 * config/mips/gnu.h: Likewise.
4165 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4167 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4168 (rs6000-ibm-aix3.[01]*): Likewise.
4169 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4170 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4171 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4172 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4173 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4174 (powerpc-*-eabiaix*): Likewise.
4175 (powerpc-*-eabisim*): Likewise.
4176 (powerpc-*-elf*): Likewise.
4177 (powerpc-*-eabi*): Likewise.
4178 (powerpc-*-rtems*): Likewise.
4179 (powerpc-*-linux*libc1): Likewise.
4180 (powerpc-*-linux*): Likewise.
4181 (powerpc-wrs-vxworks*): Likewise.
4182 (powerpcle-wrs-vxworks*): Likewise.
4183 (powerpcle-*-sysv*): Likewise.
4184 (powerpcle-*-elf*): Likewise.
4185 (powerpcle-*-eabisim*): Likewise.
4186 (powerpcle-*-eabi*): Likewise.
4187 (powerpcle-*-solaris2*): Likewise.
4188 * config/rs6000/aix31.h: Delete includes.
4189 * config/rs6000/aix3newas.h: Likewise.
4190 * config/rs6000/aix41.h: Likewise.
4191 * config/rs6000/aix43.h: Likewise.
4192 * config/rs6000/beos.h: Likewise.
4193 * config/rs6000/rtems.h: Likewise.
4194 * config/rs6000/sysv4.h: Likewise.
4196 2001-01-09 Kazu Hirata <kazu@hxi.com>
4198 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4199 Change an argument mode of machine_mode to shift_mode of
4200 shift_mode. Remove an extra error check.
4201 (emit_a_shift): Adopt to the new calling prototype of
4203 (function_prologue): Fix code for a monitor
4204 function. Support H8/S.
4205 (function_epilogue): Do not output pop for a monitor function.
4207 2001-01-09 Nick Clifton <nickc@redhat.com>
4209 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4210 (setup_incoming_varargs): Use sysv_varargs_p field of the
4211 cfun->machine structure.
4212 (struct machine_function): Move to rs6000.h
4213 (rs6000_save_machine_status): Delete.
4214 (rs6000_restore_machine_status): Delete.
4215 (rs6000_init_machine_status): New Function.
4216 (rs6000_free_machine_status): New Function.
4217 (rs6000_init_expanders): Use new functions.
4219 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4221 (struct machine_function): Move here.
4223 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4224 sysv_varargs_p field of the cfun->machine structure.
4226 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4228 (rs6000_restore_machine_status): Remove prototype.
4230 2001-01-09 Richard Henderson <rth@redhat.com>
4232 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4233 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4234 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4235 (sched_analyze_2, sched_analyze_insn): Likewise.
4236 (sched_analyze, init_deps): Likewise.
4237 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4238 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4239 (compute_block_backward_dependences): Update propagate_deps call.
4241 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4243 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4245 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4247 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4248 (cpp_handle_option): Handle them.
4249 (cpp_post_options): Ensure one of -M or -MM is specified with
4250 any other -M? option.
4251 (init_dependency_output): Suppress output with -MG.
4253 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4256 * invoke.texi: Update.
4258 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4260 * sh.md (reload_outsf): Generate recognizable patterns for
4263 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4265 * c-lang.c (lang_hooks): Update.
4266 (lang_init): Rename c_init.
4267 (lang_finish): Remove.
4268 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4270 * toplev.h (lang_hooks): Add init () and finish ().
4271 * tree.h (lang_init, lang_finish): Remove.
4272 * cp/tree.h (lang_init, lang_finish): Remove.
4273 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4274 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4276 (lang_init, lang_finish): Remove.
4277 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4278 (lang_hooks): Update.
4279 * java/lang.c (lang_init): Rename java_init.
4280 (lang_finish): Remove.
4281 (lang_hooks): Update.
4282 * objc/objc-act.c (lang_init): Rename objc_init.
4283 (lang_finish): Remove.
4284 (lang_hoooks): Update.
4286 20001-01-09 Graham Stott <grahams@redhat.com>
4288 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4289 after `ptr` is initialised.
4291 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4293 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4294 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4295 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4296 stack adjusts, instead of r3.
4298 2001-01-09 Michael Hayes <mhayes@redhat.com>
4300 * flow.c (flow_loop_scan): Break out of ...
4301 (flow_loops_find) ... here.
4302 * basic-block.h (flow_loop_scan): New.
4303 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4304 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4306 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4308 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4310 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4311 realloc()ing macro_buffer.
4313 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4314 if it's wider than long and the target's long is wider than the
4317 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4319 Remove support for using UWIN as a host machine.
4320 * configure.in: Issue an error message.
4321 * configure: Regenerated.
4322 * config.gcc: Remove xm_* UWIN configury.
4323 * config/i386/xm-uwin.h: Remove.
4325 2001-01-08 Nick Clifton <nickc@redhat.com>
4327 * config/v850/v850.c (ra_rtx): Delete.
4328 (v850_save_machine_status): Delete.
4329 (v850_restore_machine_status): Delete.
4330 (v850_init_machine_status): New function.
4331 (v850_mark_machine_status): New function.
4332 (v850_free_machine_status): New function.
4333 (v850_return_addr): Use ra_rtx field in machine structure.
4334 (v850_init_expanders): Use new functions.
4336 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4337 * config/v850/v850.c: Change arguments to v850_output+* functions
4338 to take a const char *, to avoid compile time warning.
4339 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4340 (USER_LABEL_PREFIX): Redefine.
4342 2000-01-08 Jim Wilson <wilson@redhat.com>
4344 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4345 1 to unsigned HOST_WIDE_INT before left shift.
4347 2001-01-08 Nick Clifton <nickc@redhat.com>
4349 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4350 the machine structure has been allocated.
4351 (arm_free_machine_status): New function: Free the machine
4352 specific function structure.
4354 2001-01-08 Richard Henderson <rth@redhat.com>
4356 * jump.c (simplejump_p): Revert last change.
4358 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4360 * cppinit.c (init): Rename init_library.
4361 (cpp_create_reader): Update.
4362 * gcc.c (cpp_options): If -o given, use it as the target of
4365 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4367 * arm.c (arm_arch5e): New variable.
4368 (all_cores): XScale is a 5TE device.
4369 (arm_override_options): Set arm_arch5e.
4370 (arm_init_builtins): __builtin_prefetch is in arch5e.
4371 * arm.h (arm_arch5e): Declare it.
4373 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4375 * arm.md (define_constants): Add defines for UNSPEC and
4376 UNSPEC_VOLATILE insns. Update all users.
4377 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4378 * arm.c (multi_register_push, note_invalid_constants)
4379 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4380 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4381 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4383 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4385 * jump.c (jump_optimize_1): Use reversed_comparison_code
4386 instead of can_reverse_comparison_p.
4387 (jump_back_p): Likewise.
4388 (invert_exp_1): Likewise.
4389 (thread_jumps): Likewise.
4390 * simplify-rtx.c (simplify_unary_operation): Likewise.
4391 (simplify_ternary_operation): Likewise.
4392 * cse.c (find_comparison_args): Convert to use
4393 can_reverse_comparison_p.
4394 (record_jump_equiv): Likewise.
4396 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4398 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4399 (EPILOGUE_USES): Define.
4400 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4401 automatically stack the LR if it isn't live.
4403 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4405 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4408 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4410 * ggc-page.c (max_alignment): New structure.
4411 (MAX_ALIGNMENT): New macro.
4412 (init_ggc): Use it to round up the sizes in the
4413 extra_order_size_table.
4415 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4417 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4420 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4422 * builtins.def (BUILT_IN_FPRINTF): New entry.
4424 * c-common.c (c_expand_builtin_fprintf): New function.
4425 (init_function_format_info): Handle __builtin_fprintf.
4426 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4427 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4429 * c-decl.c (duplicate_decls): Adjust comment.
4431 * extend.texi (fprintf): Document new builtin.
4433 2001-01-07 Richard Henderson <rth@redhat.com>
4435 * jump.c (simplejump_p): Recognize any single_set jump
4438 2001-01-07 Richard Henderson <rth@redhat.com>
4440 * configure.in (slibdir): Accept an --with-slibdir option.
4441 Use "test" not "[" in configure. Default to $(libdir).
4443 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4445 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4446 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4447 (SHLIB_LINK): Create links for the soname.
4448 * config/mips/t-iris6: Likewise.
4449 * config/sparc/t-slibgcc: Likewise.
4450 * config/sparc/t-slibgcc-sld: Likewise.
4452 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4454 * config/i386/i386.c (constant_call_address_operand): Accept
4455 (const (plus (symbol_ref) (const_int))).
4456 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4457 constant_call_address_operand.
4459 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4461 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4462 and LONG_LONG_TYPE_SIZE > 32.
4464 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4466 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4467 the previous change.
4469 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4471 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4473 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4474 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4475 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4478 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4480 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4482 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4484 * c-lang.c (c_post_options): Call cpp_post_options.
4485 * objc/objc-act.c (objc_post_options): Similarly.
4486 * cppmain.c (main): Similarly.
4487 * fix-header.c (read_scan_file): Similarly.
4488 * cppinit.c (cpp_start_read): Move option consistency checks
4489 to cpp_post_options. Don't call init_dependency_output.
4490 If needed, add default target and main file dependency.
4491 (OPT_MD, OPT_MMD): Remove.
4493 (cpp_handle_option): Update for OPT_* changes.
4494 (cpp_post_options): New.
4495 (init_dependency_output): Command line -MF overrides environment
4496 variables. Don't set default target etc. Suppress output
4497 if dependencies are going to stdout.
4498 (print_help): Update.
4499 * cpplib.h (cpp_post_options): New.
4500 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4502 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4504 * jump.c (comparison_dominates_p): Support unordered compares.
4506 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4508 * simplify-rtx.c (simplify_relational_operation): Always simplify
4509 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4512 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4514 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4515 (nonzero_bits): Likewise.
4516 (simplify_comparison): Likewise.
4517 (num_sign_bit_copies): Likewise; return more sane value depending
4518 on STORE_FLAG_VALUE.
4519 (known_cond): Do not assume EQ to be always true for equivalent
4522 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4524 * cse.c (fold_rtx): Handle unordered comparisons.
4526 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4528 * rtlanal.c (set_of_1): New static function.
4529 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4530 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4531 reg_set_last_last_regno): Remove.
4532 (set_of): New global function.
4533 (set_of_data): New structure.
4534 (reg_set_p, reg_set_last): Revamp for set_of.
4535 * rtl.h (set_of): New.
4537 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4539 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4540 * extend.texi: Document _Exit builtin.
4542 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4544 * (initialize, initialize_builtins,
4545 initialize_dependency_output, initialize_standard_includes):
4546 Rename s/initialize/init. Update.
4547 (init_dependency_output): Move to after
4548 cpp_handle_options, the correct location temporally at least.
4549 (opt_comp): Move next to init (), its caller. Fix prototype.
4550 (init): Make "initialized" local scope.
4551 (cpp_create_reader): Always call init ().
4552 (cpp_start_read): Update.
4553 (output_deps): New function, broken out of cpp_finish.
4554 (cpp_finish): Break out output_deps.
4556 2001-01-07 Richard Henderson <rth@redhat.com>
4558 * collect2.c (COFF specific stuff): Revert 12-06 patch
4559 to prototype system functions.
4561 2001-01-07 Michael Hayes <mhayes@redhat.com>
4563 * hard-reg-set.h: Add multiple include guard.
4564 * basic-block.h (struct loop): Add `sink' field.
4565 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4566 (emit_iv_add_mult): Delete.
4567 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4568 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4569 (unroll_loop): Remove end_insert_before argument.
4570 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4571 (maybe_eliminate_biv_1): Likewise.
4572 (emit_iv_add_mult): Delete.
4573 (gen_add_mult, loop_regs_update): New.
4574 (loop_insn_emit_after, loop_insn_emit_before): New.
4575 (loop_insn_sink, loop_insn_sink_or_swim): New.
4576 (emit_iv_add_mult): Delete.
4577 (scan_loop): Set loop->sink.
4578 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4579 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4580 (maybe_eliminate_biv_1): Likewise.
4581 (maybe_eliminate_biv_1): Add basic block argument.
4582 * unroll.c (unroll_loop): Remove end_insert_before argument.
4583 (find_splittable_regs): Likewise.
4584 (find_splittable_regs): Use loop_insn_sink and its ilk.
4585 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4587 2001-01-07 Michael Hayes <mhayes@redhat.com>
4589 * loop.h (loop_insn_hoist): New prototype.
4590 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4591 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4592 (check_dbra_loop, load_mems): Likewise.
4593 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4594 (find_splittable_givs): Likewise.
4596 2001-01-07 Michael Hayes <mhayes@redhat.com>
4598 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4600 2001-01-07 Richard Henderson <rth@redhat.com>
4602 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4604 2001-01-07 Richard Henderson <rth@redhat.com>
4606 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4607 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4608 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4609 variant that handles a shared libgcc.
4610 (process_command): Always validate -{static,shared}-libgcc.
4611 (do_spec_1): New 'M' case.
4612 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4614 2001-01-07 Richard Henderson <rth@redhat.com>
4616 * Makefile.in (slibdir): New variable.
4617 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4618 (installdirs): Create slibdir.
4619 (install-libgcc, install-multilib): Defer to libgcc.mk.
4620 * configure.in (slibdir): Substitute.
4621 * mklibgcc.in (install): New target.
4623 * config/t-linux (SHLIB_LINK): Create links for the soname.
4624 (SHLIB_INSTALL): New.
4625 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4626 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4627 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4628 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4629 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4631 2001-01-07 Richard Henderson <rth@redhat.com>
4633 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4634 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4635 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4637 2001-01-07 Michael Hayes <mhayes@redhat.com>
4639 * loop.c (count_loop_regs_set): Delete.
4640 (load_mems_and_recount_loop_regs_set): Delete.
4641 (loop_regs_scan): Merge common code from count_loop_regs_set,
4642 scan_loop, and load_mems_and_recount_loop_regs_set.
4643 (scan_loop): Call load_mems directly and loop_regs_scan
4644 again if new registers created.
4646 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4648 * toplev.c (main): Call the front-end specific post_options
4649 hook if one is given.
4650 * toplev.h (struct_lang_hooks, lang_hooks): New.
4651 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4652 for the C front end.
4653 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4654 lang_hooks for the C++ front end.
4655 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4656 lang_hooks for the ObjC front end.
4657 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4658 * java/lang.c (lang_hooks): Hooks for the Java front end.
4660 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4662 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4663 for verbose DWARF[2] debugging.
4664 (cb_define, cb_undef): The new callbacks.
4665 * toplev.h (debug_define, debug_undef): Make const correct.
4666 * toplev.c (debug_define, debug_undef): Similarly. Do not
4667 perform the verbosity tests here anymore.
4669 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4671 * reload.c (subst_reloads): Take INSN argument. When
4672 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4673 * reload.h (subst_reloads): Adjust prototype.
4674 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4675 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4676 present in JUMP_INSNs and copy them to JUMP_LABEL.
4677 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4678 JUMP_INSNs and insns with REG_LABELs that are followed by
4679 JUMP_INSNs with the same REG_LABEL.
4680 * sched-rgn.c (is_cfg_nonregular): Likewise.
4681 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4683 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4685 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4687 2001-01-06 Richard Henderson <rth@redhat.com>
4689 * loop.c (scan_loop): Use xcalloc for the regs array.
4690 (load_mems_and_recount_loop_regs_set): Zero the new memory
4691 received from xrealloc.
4693 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4695 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4697 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4699 * integrate.c (copy_rtx_and_substitute): When copying
4700 an ignored return value, strip REG_FUNCTION_VALUE_P.
4702 2001-01-06 Michael Hayes <mhayes@redhat.com>
4704 * loop.c (debug_biv, debug_giv): New.
4705 (loop_biv_dump): Break out from ...
4706 (record_biv): ... here.
4707 (loop_giv_dump): Break out from ...
4708 (record_giv): ... here.
4709 (loop_bivs_check): Use print_simple_rtl.
4710 * unroll.c (loop_iterations): Use print_simple_rtl.
4712 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4714 * pa.md (return, return_internal): Modify patterns to prevent regrename
4715 mucking with the return pointer.
4717 2001-01-05 Richard Henderson <rth@redhat.com>
4719 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4721 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4723 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4724 version supplied by Matteo Frigo.
4726 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4728 * cpp.texi: Update for -MQ.
4729 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4730 (cpp_cleanup): Always free pfile->deps.
4731 (initialize_dependency_output): Don't create pfile->deps.
4732 (cpp_handle_option): Similarly.
4734 * gcc.c (cpp_options): Handle -MQ.
4735 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4736 * mkdeps.c (base_name): Remove.
4737 (deps_init): Don't allocate vector space until it's needed.
4738 (deps_free): Only free vectors if allocated.
4739 (deps_add_target, deps_add_dep): Update for initial allocation.
4740 (deps_add_default_target): Don't strip to the base_name.
4742 2001-01-05 DJ Delorie <dj@redhat.com>
4744 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4745 (INIT_EXPANDERS): Define.
4747 * config/v850/v850.c (struct machine_function): Define.
4748 (v850_save_machine_status): New function.
4749 (v850_restore_machine_status): New function.
4750 (v850_return_addr): New function.
4751 (v850_init_expanders): New function.
4753 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4754 and v850_init_expanders.
4756 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4758 * cpplib.h (struct cpp_reader): Add help_only field.
4759 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4760 (cpp_handle_option): Set pfile->help_only if we see -h,
4761 --help, -target-help, or --version. Print version string but
4762 do not set help_only if we see -v or -version. Make text
4763 printed by -v match that printed by (-)-version.
4765 * cppmain.c (main): Exit after option parsing if
4766 pfile->help_only is true.
4768 * toplev.c (independent_decode_option): Call print_version,
4769 then exit, if we see --version (but not -version).
4770 (print_version): Split lengthy message into two lines.
4772 2001-01-05 Nick Clifton <nickc@redhat.com>
4774 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4775 temporary string for initialisation before calling ggc_alloc_string.
4777 2001-01-06 Michael Hayes <mhayes@redhat.com>
4779 * rtl.h (print_simple_rtl): New.
4780 * print-rtl.c (print_simple_rtl): New.
4782 (print_rtx): Disable printing of flags and modes, etc.,
4783 if `flag_simple` nonzero.
4785 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4787 * function.c (fixup_var_refs): Use push_to_full_sequence where
4790 2001-01-05 Michael Meissner <meissner@redhat.com>
4792 * flags.h (flag_reorder_blocks): Add declaration.
4793 (flag_rename_block): Ditto.
4795 2001-01-05 DJ Delorie <dj@redhat.com>
4797 * function.c (reorder_blocks): Make sure the flags are all reset
4798 before using them to mark blocks, else a second invocation will
4799 corrupt the block chain.
4800 (reorder_blocks_0): New, resets the flags.
4802 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4804 * cse.c (find_comparison_args): Stop if the argument is known to
4807 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4809 * config/sh/sh.md (movdf): When splitting load into pair of
4810 registers, don't clobber the register used in the address too
4813 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4815 * varasm.c (mark_constant_pool): Improve initial comments.
4816 (mark_constants): Move marking of constants to mark_constant.
4817 (mark_constant): New function to recursively mark all constants
4818 referred to by a constant.
4820 2001-01-05 Catherine Moore <clm@redhat.com>
4822 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4824 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4826 * cp/lang-options.h: Bring comment in line with reality.
4827 * f/lang-options.h: Likewise.
4828 * java/lang-options.h: Likewise.
4829 * objc/lang-options.h: Likewise.
4830 * ch/lang-options.h: Likewise.
4831 * f/g77.texi: And update the manual.
4833 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4834 Denis Chertykov <denisc@overta.ru>
4836 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4837 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4838 * config/avr/avr.md (all peepholes that request a scratch register):
4839 Call it, FAIL the peephole if not safe (in interrupt functions).
4841 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4843 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4845 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4847 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4849 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4850 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4851 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4852 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4853 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4855 * extend.texi: Document these builtins.
4857 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4859 * c-common.c (lang_get_alias_set): Say we know nothing of
4860 VECTOR_TYPE aliasing.
4862 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4864 2001-01-05 Bruce Korb <bkorb@gnu.org>
4866 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4867 their x* equivalent versions for atexit-less systems
4868 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4869 systems (or any other system any more).
4871 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4873 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4874 output operands. Use arm_hard_register_operand for operand 4.
4875 (stmsi_postinc): Similarly.
4876 (ldmsi): Use arm_hard_register_operand for opernand 2.
4878 * arm.c (arm_hard_register_operand): New function.
4879 * arm-protos.h (arm_hard_register_operand): Prototype it.
4881 * arm.h (HARD_REGNO_RENAME_OK): Define.
4883 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4885 * simplify-rtx.c (cfc_args): add "unordered" field.
4886 (check_fold_consts): Set unordered field.
4887 (simplify_relational_operation): Simplify the unordered
4890 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4893 * emit-rtl.c (try_split): Fix code to mark labels.
4894 * jump.c (mark_jump_label): Make global.
4895 * rtl.h (mark_jump_label): Declare.
4897 * predict.c (estimate_probability): Handle unordred comparisons.
4899 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4901 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4902 * cppinit.c (initialize_dependency_output): Update.
4903 (cpp_finish): Output dummy targets for -MP.
4905 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4906 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4907 * gcc.c (cpp_options): Update to handle -MP.
4908 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4909 to quote only the default target.
4910 (deps_phony_targets): Insert a preceding newline. Rename from
4911 deps_dummy_targets for consistency.
4914 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4916 * calls.c (emit_library_call_value_1): Support
4917 INIT_CUMULATIVE_LIBCALL_ARGS.
4918 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
4920 2001-01-04 Richard Henderson <rth@redhat.com>
4922 * c-decl.c (finish_struct): Detect flexible array members
4923 used in an inappropriate context.
4924 * c-typeck.c (really_start_incremental_init): Special case
4925 constructor_max_index for zero length arrays.
4926 (pop_init_level): Allow initialization of flexible array
4927 members. Deprecate initialization of zero length arrays.
4928 Don't issue missing initializer warning for flexible array
4929 members or zero length arrays.
4930 (process_init_element): Don't dereference null DECL_SIZE.
4931 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
4932 Don't abort for empty constructors. Use size_binop
4933 (output_constructor): Add commentary regarding zero length
4934 array futures. Abort if we try to initialize an array of
4935 unspecified length with a non-empty constructor in the middle
4938 * extend.texi (Zero Length): Update and clarify documentation
4939 on static initialization.
4941 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4943 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
4944 with more than 32767 words of local storage.
4946 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4948 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
4949 for 'abs', 'labs', and 'fabs'.
4950 (c4x_expand_builtin): Likewise.
4951 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
4953 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4955 * config/sh/sh.md (prget, prset): New insn types.
4956 (return delay slot): Dont' allow prset.
4957 (call, sfunc delay slot): Don't allow prget.
4958 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
4959 for prset and prget.
4961 2001-01-05 Michael Hayes <mhayes@redhat.com>
4963 * loop.h (struct loop_reg): New.
4964 (struct loop_regs): Change to use array of `struct loop_reg'.
4965 * loop.c: Replace assortment of varrays with single regs array.
4966 (count_one_set): Delete may_not_move array argument
4967 and use regs array instead. All caller's changed.
4968 (count_loop_regs_set): Delete may_not_move and single_usage
4969 arguments and use regs array instead. All caller's changed.
4970 (find_single_use_in_loop): Replace usage array argument with pointer
4971 to regs structure. All caller's changed.
4972 (loop_optimize): Delete `moved_once' array.
4974 2001-01-05 Michael Hayes <mhayes@redhat.com>
4976 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
4977 Use it instead of loop_info->has_call for scanning loop mems.
4978 (check_dbra_loop): Replace loop_info->has_call test with
4979 loop_info->has_nonconst_call.
4981 2000-01-04 Matthew Hiller <hiller@redhat.com>
4983 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
4986 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4988 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
4989 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
4991 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
4993 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
4994 (flag_short_double, flag_short_wchar): Define.
4995 (c_common_nodes_and_builtins): Create many tree nodes shared
4996 between C and C++ here instead of in cp/decl.c and ...
4997 * c-decl.c (init_decl_processing): ... here.
4998 (SIZE_TYPE, WCHAR_TYPE): Don't define.
4999 (flag_short_double, flag_short_wchar): Don't define.
5000 (record_builtin_type): New function.
5001 (build_void_list_node): New function.
5002 * c-common.h (flag_short_double, flag_short_wchar,
5003 record_builtin_type, build_void_list_node): Declare.
5005 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5007 * integrate.c (expand_inline_function): Don't put a virtual
5008 register into the reg map.
5010 * function.c (fixup_var_refs_1): If force_operand didn't put
5011 the address into the target, move it there.
5013 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5015 Special-case tree_decl/tree_list allocations.
5016 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5017 (OBJECT_SIZE): New macro.
5018 (NUM_EXTRA_ORDER): Likewise.
5019 (extra_order_size_table): New variable.
5020 (NUM_ORDERS): New macro.
5021 (objects_per_page_table): New variable.
5022 (object_size_table): New variable.
5023 (G.pages): Use NUM_ORDERS to bound the array.
5024 (G.page_tails): Likewise.
5025 (DIV_ROUND_UP): Remove.
5026 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5027 (alloc_page): Use OBJECT_SIZE.
5028 (size_lookup): Don't make it const.
5029 (ggc_alloc): Use OBJECT_SIZE.
5030 (ggc_set_mark): Likewise.
5031 (ggc_get_size): Likewise.
5032 (init_ggc): Set up the object_size_table, objects_per_page_table,
5033 and adjust size_lookup.
5034 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5035 (ggc_pop_context): Use NUM_ORDERS.
5036 (clear_marks): Likewise.
5037 (sweep_pages): Likewise.
5038 (poison_pages): Likewise.
5039 (ggc_print_statistics): Use OBJECT_SIZE.
5041 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5043 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5044 Only call array_size_for_constructor if last field and array type
5045 with no upper bound.
5047 2001-01-04 Philip Blundell <philb@gnu.org>
5049 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5050 from bit 31 downwards, if this requires no more insns.
5051 (count_insns_for_constant): New helper function for above.
5053 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5055 * gencodes.c (output_predicate_decls): Remove empty initializer.
5057 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5059 * tree.c (copy_node): Remove documentation about obstacks.
5060 (buidl1): Check that nobody tries to build 2-argument nodes this
5063 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5065 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5068 * gencodes.c (output_predicate_decls): Fill empty initializer
5071 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5073 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5074 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5076 (do_include): Handle missing headers like cpp0.
5077 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5078 paths with first include pathname. Don't strcat to uninitialized
5081 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5083 * regrename.c (regrename_optimize): Don't rename from frame pointer
5084 if frame_pointer_needed.
5085 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5086 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5087 (ia64_reorg): Use it instead of scheduling if ! optimize.
5088 (errata_emit_nops): Properly call asm_noperands.
5089 (ia64_sched_reorder): Finish cycle if we see an asm.
5090 (ia64_variable_issue): Clear scheduling state after asms.
5092 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5094 * cpp.texi: Update for -MT.
5095 * cppinit.c (initialize_dependency_output): Add a default
5096 target if none has been given already.
5097 (no_tgt, OPT_MT): New.
5098 (cpp_handle_option): Handle -MT. Update -M etc.
5099 * cpplib.h (struct cpp_options): Remove deps_target.
5100 * gcc.c (cpp_options): Handle -MT.
5101 * mkdeps.c (struct deps): Move from mkdeps.h.
5102 (deps_calc_target): Rename deps_add_default_target. Add a
5103 default target if none has been specified already.
5104 * mkdeps.h (struct deps): Move to mkdeps.c.
5105 (deps_calc_target): Rename deps_add_default_target.
5107 2000-01-03 Richard Henderson <rth@redhat.com>
5109 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5111 * c-typeck.c (push_init_level): Move checks for flexible array
5112 members and zero length arrays ...
5113 (pop_init_level): ... here. Silently discard empty initializations.
5115 * varasm.c (output_constructor): Update for sizeof change to
5118 * extend.texi (Zero Length): Clarify semantics.
5120 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5122 * configure.in (tm.h): Include isns-codes.h last.
5123 * configure: Rebuilt.
5125 2001-01-03 Richard Henderson <rth@redhat.com>
5127 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5128 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5130 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5132 * tradcpp.c (main): Make sure finclude() is called with a valid
5133 indepth value while handling -include.
5135 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5137 * gencodes.c (output_predicate_decls): New function.
5139 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5140 even if it is not the first time machmode.h is #included.
5141 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5142 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5143 * gcc.texi (Copyright): Added 2001.
5145 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5147 * c-common.c (c_common_lang_init): New function. Warn if format
5148 warning options which only have effects when used with -Wformat
5149 are used without -Wformat.
5150 * c-common.h (c_common_lang_init): Declare.
5151 * c-lang.c (lang_init): Call c_common_lang_init.
5152 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5154 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5156 * configure.in: Check for the mktemp command.
5157 * configure: Regenerate.
5158 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5159 $TEMP. Create temporary files with mktemp, if available at
5160 configure time; otherwise use set -C. Remove temporary files
5163 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5165 * configure.in: Require at least texinfo 4.0. Check for whether
5166 Pod::Man is sufficiently recent to regenerate GCC manpages.
5167 * configure: Regenerate.
5168 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5170 (GENERATED_MANPAGES): Define.
5171 (generated-manpages): New target. Depend on cpp.1 as well as
5173 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5174 configure to generated-manpages or empty) rather than on the
5175 manpages directly. Remove execute permission from installed
5176 gcov.1 as well as cpp.1.
5177 * cpp.1, gcov.1: Regenerate.
5179 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5181 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5182 tree_low_cst. Allow using cmpstrsi in more cases.
5184 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5186 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5189 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5191 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5192 * Makefile.in (HOST_CFLAGS): Mention build-make.
5194 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5196 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5199 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5201 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5204 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5207 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5208 reg_base_value and reg_known_value arrays.
5209 (init_alias_analysis): Add more cases to detect known values.
5210 * sched-deps.c (deps_may_trap_p): New function.
5211 (sched_analyze_2): Use it.
5213 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5215 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5216 don't discard an ASHIFTRT if we're shifting in a wider mode.
5218 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5220 * toplev.c (rest_of_compilation): Don't print basic block information
5221 when CFG isn't up to date.
5223 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5225 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5226 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5227 (UNALIGNED_SHORT_ASM_OP): Define.
5228 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5230 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5232 * fold-const.c (fold_convert): Fix typo.
5234 2001-01-02 Richard Henderson <rth@redhat.com>
5236 * c-common.h (ASM_INPUT_P): New.
5237 * c-parse.in (asm): Set it when needed.
5238 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5239 existance of an operand.
5241 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5243 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5244 (dwarf2out_frame_debug_expr): Likewise.
5245 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5247 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5249 * i386.c (ix86_split_to_parts): Return number of part required;
5251 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5253 (ix86_split_long_move): Use number of part returned
5254 by ix86_split_to_parts
5255 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5257 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5258 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5259 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5260 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5261 (ALIGN_MODE_128): Add TFmode.
5262 (IS_STACK_MODE): Likewise.
5263 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5264 (HARD_REGNO_OK): Support TFmodes.
5265 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5266 * i386.md (scheduler definitions): Use memory operand to determine
5267 fst/fld instructions; use mode attribute to determine real mode of
5269 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5270 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5272 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5274 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5276 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5278 * expr.c (store_constructor_field): Update ALIGN before calling
5281 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5283 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5286 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5288 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5291 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5293 * c-decl.c (start_function): Don't warn on third parameter to main.
5295 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5297 * tsystem.h: Define HAVE_DECL_GETOPT.
5299 2001-01-02 Philip Blundell <pb@futuretv.com>
5301 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5304 2001-01-02 Richard Henderson <rth@redhat.com>
5306 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5308 2001-01-02 Andreas Jaeger <aj@suse.de>
5310 * c-decl.c (c_decode_option): Remove support of
5313 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5314 (W_options): Add -Wmissing-noreturn here.
5316 * flow.c: Define lang_missing_noreturn_ok_p.
5317 (check_function_return_warnings): Use it.
5319 * c-common.h: Declare lang_missing_noreturn_ok_p.
5321 * c-lang.c (c_missing_noreturn_ok_p): New function.
5322 (lang_init): Set lang_missing_noreturn_ok_p.
5324 * invoke.texi (Warning Options): Document this.
5326 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5328 * extend.texi (C++ Extensions): New node for C++ attributes;
5329 describe init_priority and com_interface.
5330 * invoke.texi: Remove -finit-priority as it now has zero effect.
5331 * install.texi: Fix xref syntax.
5332 * md.texi: Likewise.
5334 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5336 * config.gcc (sparc64-wrs-vxworks*): New case.
5337 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5339 * config/sparc/sparc.c (sparc_override_options): Do support different
5340 pointer and architecture size.
5341 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5342 (POINTERS_EXTEND_UNSIGNED): Define.
5343 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5344 (FUNCTION_MODE): Define to be Pmode.
5345 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5347 * function.c (expand_function_end): Properly handle DECL_RESULT
5348 and copy when ptr_mode != Pmode.
5349 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5351 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5353 * c-common.c (c_common_nodes_and_builtins): Set prototype
5354 parameters for __builtin_fputs, __builtin_fputc and
5355 __builtin_fwrite. Don't declare plain fputc as a builtin.
5357 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5359 * loop.c (add_label_notes): Increment the label usage count when
5360 a note is added to an insn which refers to a CODE_LABEL.
5361 * gcse.c (add_label_notes): Likewise.
5363 2001-01-01 Andreas Jaeger <aj@suse.de>
5365 * loop.c (scan_loop): Use xmalloc to allocate movables.
5367 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5369 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5370 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5371 * reload1.c (REGISTER_MOVE_COST): Likewise.
5372 * regclass.c (REGISTER_MOVE_COST): Likewise.
5373 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5374 dimension. Adjust all users.
5375 (init_reg_sets_1): Iterate on all modes.
5376 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5377 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5378 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5379 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5380 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5381 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5382 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5383 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5384 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5385 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5386 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5387 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5388 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5389 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5390 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5391 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5392 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5393 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5394 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5395 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5396 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5397 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5398 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5399 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5400 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5401 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5402 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5404 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5406 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5407 arg VARIES_P. Call it with extra arg.
5408 (true_dependence): Likewise.
5409 * rtl.h (rtx_addr_can_trap_p): Declare.
5410 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5412 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5413 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5414 pic offset table register if it's zero. All callers changed.
5415 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5417 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5419 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5420 STRING_POOL_ADDRESS_P.
5422 * config/sparc/sparc.c (input_operand): Properly test for short op.
5424 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5425 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5426 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5427 * config/sparc/elf.h: No longer include sol2.h.
5428 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5429 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5431 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5433 2001-01-01 Michael Hayes <mhayes@redhat.com>
5435 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5436 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5437 (record_initial): Likewise.
5438 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5439 (remap_split_bivs): Likewise.
5441 2001-01-01 Michael Hayes <mhayes@redhat.com>
5443 * loop.c (loop_ivs_free): New function.
5444 (strength_reduce): Break out from...
5446 2001-01-01 Michael Hayes <mhayes@redhat.com>
5448 * loop.h (struct iv): New.
5449 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5450 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5451 'reg_biv_class' fields with 'regs' and 'n_regs'.
5452 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5453 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5454 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5456 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5458 * resource.c (mark_referenced_resources): Abort() before
5459 attempting to mark a pseudo register.
5460 (mark_set_resources): Likewise.
5462 2001-01-01 Michael Hayes <mhayes@redhat.com>
5464 * loop.h (REG_IV_CLASS): New accessor macro.
5465 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5466 * unroll.c (REG_IV_CLASS): Likewise.
5468 See ChangeLog.4 for earlier changes.