1 2001-03-07 Richard Henderson <rth@redhat.com>
3 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
4 of block notes and exception handling notes.
6 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
7 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
8 (compile_file): ... here.
10 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
14 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
15 config.h now. Include libiberty.h to handle alloca.
17 2001-03-06 Zack Weinberg <zackw@stanford.edu>
19 * c-parse.in (yylexname): New function, split out of _yylex.
20 (objc_rid_sans_at): New table.
21 (init_reswords): Initialize it.
22 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
23 retrieving the next token and checking it for significance as
24 an ObjC keyword or string constant.
26 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
27 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
29 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
32 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
34 * config/m68k/m68k.c (const_uint32_operand): Accept any
35 const_int on a 32-bit host.
37 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
39 * objc/objc-act.c (init_objc): Set save_lang_status,
40 restore_lang_status, and mark_lang_status.
42 2001-03-06 Krister Walfridsson <cato@df.lth.se>
44 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
46 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
48 * cppinternals.texi: Update.
50 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
52 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
53 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
54 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
55 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
56 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
57 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
58 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
59 config/i386/xm-i386.h, config/i860/xm-i860.h,
60 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
61 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
62 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
63 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
64 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
65 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
66 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
67 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
68 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
69 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
70 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
71 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
72 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
73 match the defaults provided in hwint.h.
75 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
76 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
78 * config.gcc (xm_file): Don't set to files which are deleted.
80 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
81 guard this file against these macros being undefined.
83 2001-03-06 Zack Weinberg <zackw@stanford.edu>
85 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
86 and DECL_DEFER_OUTPUT on the decl we create, before calling
87 rest_of_decl_compilation.
89 2001-03-06 Zack Weinberg <zackw@stanford.edu>
91 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
93 * configure, config.in: Regenerate.
94 * config.gcc: Remove references to deleted files.
96 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
97 genrecog.c, rtl.c: Do not use alloca anywhere.
99 * Makefile.in, build-make, system.h, config/x-interix,
100 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
101 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
102 config/arc/xm-arc.h, config/arm/xm-arm.h,
103 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
104 config/h8300/xm-h8300.h, config/i370/x-oe,
105 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
106 config/i386/x-ncr3000, config/i386/x-sco5,
107 config/i386/xm-dgux.h, config/i860/x-sysv4,
108 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
109 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
110 config/m68k/x-hp320g, config/m69k/x-mot3300,
111 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
112 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
113 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
114 config/m88k/x-sysv4, config/m88k/x-tekXD88,
115 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
116 config/mips/x-iris, config/mips/x-iris3,
117 config/mips/x-sni-svr4, config/mips/x-sysv,
118 config/mips/xm-iris6.h, config/mips/xm-mips.h,
119 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
120 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
121 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
122 config/pa/xm-papro.h, config/romp/xm-romp.h,
123 config/rs6000/x-aix31, config/rs6000/x-aix41,
124 config/rs6000/x-beos, config/rs6000/x-lynx,
125 config/rs6000/x-mach, config/rs6000/x-rs6000,
126 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
127 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
128 config/sparc/x-sysv4, config/sparc/xm-linux.h,
129 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
130 config/vax/xm-vms.h: Eradicate all references to alloca and
133 * config/xm-alloca.h, config/clipper/x-clix,
134 config/i386/xm-sysv4.h, config/i860/x-fx2800,
135 config/i860/x-sysv3, config/m88k/x-sysv3,
136 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
137 (contained only alloca related hacks).
139 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
142 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
144 * invoke.texi: Document __FAST_MATH__.
146 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
148 * crtstuff.c: Restore include of auto-host.h.
150 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
152 Put main() in a separate file, so that the language
153 front-end can use a different main().
156 * toplev.c: (main): Rename as toplev_main.
157 * toplev.h: Declare toplev_main.
158 * Makefile.in (OBJS): add toplev.o.
159 (BACKEND): remove toplev.o, add main.o.
161 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
163 * cppfiles.c (search_from): Special case the empty string.
165 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
167 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
168 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
169 strlen or strcpy; we already know the length.
170 (_cpp_compare_file_date): Similarly.
171 * cpphash.h (struct cpp_reader): Delete done_initialising.
172 (CPP_PREV_BUFFER): Delete.
173 * cppinit.c (cpp_start_read): Don't set done_initialising.
174 * cpplex.c (parse_string): Guarantee null-termination.
175 (_cpp_equiv_toklists): Remove.
176 * cpplib.c (glue_header_name): Null-terminate.
177 (do_line): Don't leak memory.
178 * cpplib.h (BT_WEAK): Delete.
179 * cppmain.c (cb_ident): Strings are now null-terminated.
181 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
183 * gcc.c (convert_filename): Append executable suffix
184 if NO_AUTO_EXE_SUFFIX is not defined.
185 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
186 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
188 2001-03-03 David O'Brien <obrien@FreeBSD.org>
190 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
191 * c-parse.gperf, c-gperf.h: Delete.
192 (c-gperf.h was accidently re-added to the CVS repo in the rev
193 1.16 commit by tromey)
195 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
197 * cpplex.c (_cpp_lex_token): Don't warn about directives in
198 macro arguments when looking for the '('.
199 * cppmacro.c (funlike_invocation_p): Set parsing_args to
200 2 when really parsing arguments; 1 when looking for '('.
201 Always restore the lexer position.
203 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
205 * longlong.h (umul_ppmm): Don't use a multiline string.
207 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
209 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
210 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
211 t_bool in declaration because pcc can't combine volatile with typedef
214 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
216 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
217 until when it is really needed.
218 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
219 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
220 * i386.md (float?i?f splitter): Don't force source operand to memory
222 (sse_movdfcc): Fix constraint.
223 (sse_movdfcc splitter): Handle properly the second alternative.
225 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
227 * cpplex.c (parse_string): Unconditionally pedwarn.
229 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
232 * cppexp.c (parse_number): Update.
233 * cpplex.c (parse_string): Pedwarn if multiline string does not
234 result from a system header's macro.
235 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
236 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
237 for function-like macros too.
238 * c-lex.c (lex_number): Update.
240 2001-03-03 Richard Henderson <rth@redhat.com>
242 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
244 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
246 * combine.c (try_combine): If split with mode-changed scratch
247 register didn't work, try the original mode.
249 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
251 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
252 * config/c4x/c4x.h: Likewise.
253 * stor-layout.c (compute_record_mode): Likewise.
254 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
256 2001-03-02 Zack Weinberg <zackw@stanford.edu>
258 * configure.in: Kill tm.h. Include the files in the $tm_file
259 list in all three of config.h, hconfig.h, tconfig.h, after the
260 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
261 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
262 * configure: Regenerate.
263 * Makefile.in (clean): Don't delete tm.h.
265 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
266 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
267 those are not defined, set SEC and FEC to 0 and 1.
268 * gcc.texi: Update to match.
270 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
271 * config/fp-bit.c, config/m68k/aux-crt2.asm,
272 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
273 Include tconfig.h, not tm.h.
275 * config/xm-lynx.h, config/xm-std32.h,
276 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
277 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
278 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
279 config/clipper/xm-clix.h, config/convex/xm-convex.h,
280 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
281 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
282 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
283 config/i386/xm-i386.h, config/i860/xm-i860.h,
284 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
285 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
286 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
287 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
288 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
289 config/pa/xm-linux.h, config/pa/xm-pa.h,
290 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
291 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
292 config/pj/xm-pj.h, config/romp/xm-romp.h,
293 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
294 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
295 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
296 config/v850/xm-v850.h, config/vax/xm-vax.h,
297 config/we32k/xm-we32k.h:
299 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
301 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
302 config/i370/xm-oe.h: Don't include tm.h. Don't define
304 * config/vax/xm-vms.h: Don't include tm.h.
306 * config/xm-lynx.h, config/avr/xm-avr.h,
307 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
308 Delete; made empty by above changes.
309 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
310 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
311 Don't include config/xm-lynx.h or tm.h.
313 * config/xm-gnu.h: Don't include fcntl.h.
314 * config/sparc/xm-lynx.h: Don't include sys/types.h and
316 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
318 2001-03-02 Richard Henderson <rth@redhat.com>
320 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
321 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
323 2001-03-02 Richard Henderson <rth@redhat.com>
325 * Makefile.in (OBJS): Add dwarf2asm.o.
326 * dwarf2asm.c, dwarf2asm.h: New files.
327 * dwarf2out.c (*): Use them.
328 (size_of_uleb128, size_of_sleb128): Remove.
329 (output_uleb128, output_sleb128): Remove.
330 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
331 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
332 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
333 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
334 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
335 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
336 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
337 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
338 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
339 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
340 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
341 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
342 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
343 (dwarf2out_frame_debug): Remove unused variables.
344 (output_loc_operands): Don't abort on 8 byte constants if
345 host integers are wide enough.
346 (output_symbolic_ref): Remove.
347 (size_of_die): Don't assume 4 byte host integers.
348 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
350 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
351 something stupid with HOST_WIDE_INT to long truncation.
352 [CONST_DOUBLE]: Likewise.
354 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
355 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
356 * config/arm/unknown-elf.h: Likewise.
357 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
358 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
359 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
360 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
361 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
362 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
363 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
364 (ASM_OUTPUT_DWARF_OFFSET): Remove.
365 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
366 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
367 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
368 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
370 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
372 * cselib.c (hash_rtx): Cast enums to unsigned int.
374 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
376 * print-rtl.c (print_rtx): Cast enums to int for comparison.
377 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
379 * c-format.c (C_STD_VER): Cast to int for comparisons.
380 (check_function_format): Cast various enums to int for &.
381 (maybe_read_dollar_number): Likewise.
382 (check_format_info): Likewise.
383 (check_format_info_main): Likewise.
384 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
385 (safe_from_p): Likewise.
386 * varasm.c (const_hash): Cast enum to int for %.
387 * emit-rtl.c (init_emit_once): Use int loop variable to work around
388 pcc enum problems with < and ++ operators.
389 * regclass.c (init_reg_sets_1): Cast enums for comparison.
390 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
391 (regclass_init): Change enum class to int to iterate over reg_classes.
392 * genrecog.c (merge_trees): Cast enums for comparison.
393 * rtl.h (GET_CODE): Cast to enum rtx_code.
394 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
395 (GET_MODE): Cast to enum machine_mode.
396 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
397 (GET_NOTE_INSN_NAME): Cast enum to int.
398 * tree.h (TREE_CODE): Cast to enum tree_code.
399 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
400 * timevar.c (timevar_print): Change loop variable id from enum to
402 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
403 * config/i386/i386.md: Use PUT_MODE for mode assignment.
404 * toplev.c (compile_file): Cast enum DFI to int.
405 (decode_d_option): Likewise.
407 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
409 * cppinit.c (append_include_chain): Mark "after" include file name list
410 as a system directory.
411 * cpp.texi: Document new behavior.
413 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
415 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
417 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
419 * cppfiles.c (struct include_file): Update.
420 (stack_include_file): Use search_from.
421 (cpp_included, find_include_file): Update.
422 (cpp_execute_include): Update. ptr->name may not be
423 null terminated. Use the new search_from member variable
425 (_cpp_compare_file_date): Similarly.
426 (search_from): New function, similiar to actual_directory.
427 (actual_directory): Delete.
428 (remap_filename): Update. loc->name may not be null terminated.
429 (struct file_name_list): Rename search_path. Update.
430 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
432 (struct cpp_reader): Remove actual_dirs.
433 * cppinit.c (struct cpp_pending): Update for renamed objects.
434 (append_include_chain, remove_dup_dir, remove_dup_dirs,
435 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
436 * cpplib.h (struct cpp_options): Similarly.
438 2001-03-01 Zack Weinberg <zackw@stanford.edu>
440 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
441 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
442 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
443 config/clipper/xm-clix.h, config/convex/xm-convex.h,
444 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
445 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
446 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
447 config/i370/xm-linux.h, config/i370/xm-mvs.h,
448 config/i370/xm-oe.h, config/i386/xm-aix.h,
449 config/i386/xm-i386.h, config/i386/xm-osf.h,
450 config/i860/xm-i860.h, config/i960/xm-i960.h,
451 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
452 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
453 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
454 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
455 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
456 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
457 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
458 config/pj/xm-pj.h, config/romp/xm-romp.h,
459 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
460 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
461 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
462 config/v850/xm-v850.h, config/vax/xm-vax.h,
463 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
464 Do not define TRUE or FALSE.
466 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
467 empty by above change.
468 * config.gcc: Remove references to these files.
470 * configure.in: Detect stdbool.h.
471 * configure, config.in: Regenerate.
472 * system.h: Include stddef.h here if available.
473 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
474 Then set up a sensible boolean type at the very end.
476 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
477 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
479 * hash.h: Delete 'boolean' typedef and related #undefs.
481 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
482 all uses of 'boolean' with 'bool'.
484 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
486 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
487 * cppexp.c (lex): Cast enums for comparison.
488 * cppinit.c (parse_option): Cast enum for comparison.
489 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
490 (cpp_output_token): Likewise.
491 (cpp_can_paste): Cast enums for comparsion and plus/minus.
492 (cpp_avoid_paste): Cast enums for minus and comparison.
494 2001-03-01 Zack Weinberg <zackw@stanford.edu>
496 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
497 field to all array elements.
499 2001-03-01 Zack Weinberg <zackw@stanford.edu>
501 * cpphash.h (struct cpp_reader): Add print_version field.
502 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
503 just set print_version and other flags as appropriate.
504 (cpp_post_options): Print version here if print_version is set.
506 * toplev.c (exit_after_options): New flag.
507 (independent_decode_option): Don't exit here; just set
509 (main): Exit after calling lang_hooks.post_options if
510 exit_after_options is true.
512 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
513 (merge_include_chains): Adjust comment to match code.
515 2001-03-01 Zack Weinberg <zackw@stanford.edu>
517 * stringpool.c (set_identifier): New function.
518 * tree.h: Prototype it.
520 * c-parse.in: Kill D_YES. If compiled for objc, call
521 save_and_forget_protocol_qualifiers from init_reswords.
522 * objc/objc-act.c (remember_protocol_qualifiers,
523 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
524 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
526 (save_and_forget_protocol_qualifiers): New function.
527 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
529 2001-03-01 Diego Novillo <dnovillo@redhat.com>
531 * c-semantics.c (prune_unused_decls): Return error_mark_node
532 instead of (tree) 1 to stop traversing the tree chain.
534 2001-03-01 Bernd Schmidt <bernds@redhat.com>
536 Fix a problem introduced by Kenner's Feb 18 change.
537 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
538 flag_cse_skip_blocks only temporarily, not for ever.
540 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
542 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
543 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
545 * pa.c (emit_move_sequence): Verify operand0 is a hard register
546 before determining its register class.
548 2001-03-01 Bernd Schmidt <bernds@redhat.com>
550 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
551 from reg 4 if current_function_calls_setjmp.
552 (gen_nop_type): New function.
553 (ia64_emit_nops): New function.
554 (ia64_reorg): Call it.
555 (ia64_sched_reorder): Move code that rotates bundles up a bit.
557 * reload1.c (eliminate_regs_in_insn): Restrict the special case
558 code not to try to optimize adds with anything but a REG destination.
560 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
561 (INSN_PRIORITY_KNOWN): New accessor macro.
562 * haifa-sched.c (priority): Use it instead of testing priority against
565 2001-02-28 DJ Delorie <dj@redhat.com>
567 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
568 since that doesn't work the way gcc wants on a generic m68k.
570 2001-02-28 Richard Henderson <rth@redhat.com>
572 * caller-save.c (save_call_clobbered_regs): Fix typo in
573 comparison last change.
575 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
577 * i386.c (pentium4_cost): New.
578 (m_PENT4): New macro.
579 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
580 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
581 x86_integer_DFmode_moves, x86_partial_reg_dependency,
582 x86_memory_mismatch_stall): Add Pentium4
583 (x86_use_q_reg, x86_use_any_reg): Kill.
584 (override_options): Add pentium4.
585 (incdec_operand): Return 0 for pentium4.
586 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
587 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
588 (TARGET_PENTIUM4): Define.
589 (enum processor_type): Add PROCESSOR_PENTIUM4.
590 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
591 * i386.md (attribute "cpu"): Add pentium4.
592 * invoke.texi (march): Add pentium4.
594 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
596 * i386.md (sse_mov?fcc*): New patterns and splitters.
597 * i386.c (ix86_expand_movcc): Work post-reload; recognize
598 the SSE based conditional moves.
600 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
602 * i386.md (attribute mode): Add "TI".
603 (movsf_1): Add pxor support; remove constant propagation splitter.
604 (movdf_integer): Likewise.
605 (movdf_nointeger): Likewise.
606 (movxf constant prop splitter): Handle all modes; update for SSE.
607 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
608 * i386.c (standard_80387_constant_p): Rewrite.
609 (standard_sse_constant_p): New.
610 * i386-protos.h (standard_sse_constant_p): New.
612 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
614 * i386.md (sse_setccsf, sse_setccdf): New.
615 (sse_cmp* patterns): Use '%D' instead of outputtting condition
617 * i386.c (sse_comparison_operator): Accept the supported unordered
618 comparses; be ready for fast_math.
619 (print_operand): Support 'D'.
621 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
623 * jump.c (reversed_comparison_code): Kill.
625 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
627 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
630 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
632 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
633 add missing '%' in constraints.
635 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
637 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
638 for HOST_BITS_PER_WIDE_INT == 32 too.
640 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
642 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
644 (insert_save, insert_restore): New parameter save_mode.
645 (init_caller_save): Update initialization of reg_save_code
646 and reg_restore_code.
647 (save_call_clobbered_regs): Compute save_modes and update calls to
648 reg_save_code and reg_restore_code.
649 (insert_restore): Unsignetize numbers; use save_modes to choose mode
650 of spill; update use of reg_restore_code.
651 (insert_save): Likewise.
652 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
653 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
654 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
656 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
658 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
659 noce_try_store_flag_inc, noce_try_store_flag_mask,
660 noce_try_cmove_arith):
661 Use reversed_comparison_code instead of reverse_comparison and
662 can_reverse_comparison_p.
664 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
666 * jump.c (reversed_comparison_code_parts): Allow reversal of
667 unordered compares in -ffast-math mode; reverse ordered compares
668 for FP even w/o -ffast-math.
670 2001-02-27 Richard Henderson <rth@redhat.com>
672 * print-rtl.c (print_rtx) [i]: Don't print field five on
673 NOTEs other than NOTE_INSN_DELETED_LABEL.
675 2001-02-27 Zack Weinberg <zackw@stanford.edu>
677 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
678 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
680 2001-02-27 Diego Novillo <dnovillo@redhat.com>
682 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
683 even if walk_subtrees is 0.
684 * c-semantics.c (prune_unused_decls): Return a non-null value to
685 stop traversing the tree chain.
687 2001-02-27 DJ Delorie <dj@redhat.com>
689 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
690 register, *then* define it as the new CFA.
692 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
694 * pa.c (override_options): Promote -fpic to -fPIC.
695 (legitimize_pic_address): Simplify due to removal of
696 small PIC as a code generation option.
697 (secondary_reload_class): Similarly.
698 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
699 (PRINT_OPERAND_ADDRESS): Similarly.
700 * pa.md (various patterns): Similarly.
701 (small pic lo_sum pattern): Remove.
703 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
706 * md.texi (min, max): Document
708 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
710 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
711 TARGET_PARTIAL_REG_DEPENDENCY.
712 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
714 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
716 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
718 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
720 * mips.c (mips_make_temp_file): Fix thinko in last change.
722 2001-02-26 Jason Eckhardt <jle@redhat.com>
724 * combine.c (known_cond): Do not reverse the condition when
725 SMAX/UMAX is being considered and the condition is for equality
728 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
730 2001-02-26 Philip Blundell <philb@gnu.org>
732 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
734 * config/arm/linux-elf.h: Remove historical relics related to
735 above configurations.
736 * config/arm/linux-oldld.h: Delete.
737 * config/arm/linux-elf26.h: Delete.
739 2001-02-26 Jason Merrill <jason@redhat.com>
741 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
743 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
744 recognize a tentative definition. Lose obsolete code.
746 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
747 variables unless necessary, either.
749 2001-02-25 Richard Henderson <rth@redhat.com>
751 * ifcvt.c (struct noce_if_info): Add test_bb.
752 (noce_get_alt_condition): New.
753 (noce_try_minmax, noce_try_abs): New.
754 (noce_operand_ok): New.
755 (noce_process_if_block): Use them.
756 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
758 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
760 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
763 2001-02-25 Zack Weinberg <zackw@stanford.edu>
765 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
766 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
768 (mips_asm_file_end): Free temp_filename here.
770 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
772 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
773 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
775 * config/i386/i386.md (movstrsi): Handle FAIL case.
777 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
779 * cppinit.c (builtin_array): Update.
780 (init_builtins): Flag builtins to warn if redefined or
781 undefined. Define __GXX_WEAK as a normal macro.
782 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
783 * cpplib.h (NODE_WARN): New flag.
784 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
785 Handle __STDC__ as a builtin only on Solaris.
786 (warn_of_redefinition): Renamed from check_macro_definition.
787 Reverse sense of test. Always warn if NODE_WARN.
788 (_cpp_create_definition): Use warn_of_redefinition. Flag
789 any macro beginning with "__STDC_" to require a mandatory
790 warning if redefined or undefined.
792 2001-02-24 Zack Weinberg <zackw@stanford.edu>
794 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
795 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
796 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
797 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
798 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
799 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
801 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
802 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
803 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
804 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
805 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
807 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
808 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
811 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
812 Delete now-empty file.
814 * alpha/vms.h: Define NEED_ATEXIT here...
815 * alpha/xm-vms.h: ...not here.
817 * i386/cygwin.h: Don't define PARAMS.
818 * mips/mips.c: Don't prototype mktemp. Don't define
819 P_tmpdir. Use make_temp_file to create temporary files.
820 Don't be clever and delete temporary files early.
821 * config.gcc: Drop references to deleted files. Don't define
823 * gcc.texi: Don't mention USE_PROTOTYPES.
825 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
827 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
828 (ix86_set_move_mem_attrs_1): Likewise.
829 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
830 * config/i386/i386.md (movstrsi): Call it.
832 2001-02-24 Zack Weinberg <zackw@stanford.edu>
834 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
835 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
836 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
837 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
839 (i750a-*-*): Error here if hosting on i750a.
840 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
842 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
843 Remove (empty modulo comments).
845 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
846 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
847 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
848 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
849 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
850 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
852 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
853 Remove reference to winnt.h in comment.
854 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
856 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
858 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
859 used to set another biv.
861 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
863 * tree.h (BLOCK_DEAD): New macro.
864 (struct tree_block): New flag, dead_flag.
865 * print-tree.c (print_node, case 'b'): Print missing fields.
866 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
867 * function.c (identify_blocks): Enable test for misplaced notes.
868 (all_blocks): Skip BLOCK_DEAD blocks.
869 * integrate.c (integrate_decl_tree): Likewise.
871 * errors.c (internal_error, trim_filename): New functions.
872 (fancy_abort): Call internal_error.
873 * errors.h (internal_error, trim_filename): New declarations.
875 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
877 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
879 (EXTRA_CONSTRAINT): Formatting changes.
881 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
883 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
885 2001-02-23 Per Bothner <per@bothner.com>
887 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
888 so they can be called from java/jvspec.c.
889 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
891 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
893 * i386.c (ix86_frame): New structure.
894 (ix86_compute_frame_size): Kill.
895 (ix86_compute_frame_layout): New.
896 (ix86_save_reg): New.
897 (ix86_can_use_return_insn_p): Use frame layout stuff.
898 (ix86_expand_prologue): Likewise.
899 (ix86_expand_epilogue): Likewise.
900 (ix86_initial_elimination_offset): Likewise.
901 (ix86_nsaved_regs): Use ix86_save_reg.
902 (ix86_emit_save_regs): Likewise.
904 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
906 * flow.c (find_sub_basic_blocks): New function.
907 (split_block): Be ready for basic block introduced by CODE_LABEL.
908 (commit_one_edge_insertion): Call find_sub_basic_block.
910 * flow.c (make_edges): Add edge from entry for blocks starting with
911 label having ALTERNATE_NAME
913 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
915 * function.c (epilogue_done): Be ready for first basic block not
916 containing PROLOGUE_END note.
917 (reposition_prologue_and_epilogue_notes): Avoid placing
918 PROLOGUE_END note between BASIC_BLOCK.
920 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
922 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
924 2001-02-21 DJ Delorie <dj@redhat.com>
926 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
927 check for current_function_has_nonlocal_goto from 1999-11-12.
929 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
931 * diagnostic.c (trim_filename): No longer static.
932 * toplev.h (trim_filename): Declare.
933 * rtl.c (rtl_check_failed_bounds): Call internal_error.
934 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
935 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
936 (rtvec_check_failed_bounds): Likewise.
937 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
939 * convert.c (convert_to_integer): Don't do unsigned unless result or
940 both inputs are unsigned.
942 * fold-const.c (fold_convert): Don't call size_int_type_wide if
945 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
947 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
949 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
951 * Makefile.in (resource.o): Add params.h dependence.
952 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
953 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
954 * resource.c: Add dependence on params.h.
955 (current_live_regs): Fix explanatory comment.
956 (find_basic_block): Add new parameter to permit limiting search
958 (mark_target_live_regs): Add new argument to find_basic_block call.
959 (incr_ticks_for_insn): Likewise.
961 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
963 * diagnostic.c (output_to_stream): Rename to
964 output_buffer_to_stream. Loses the stream parameter.
965 (init_output_buffer): Set diagnosic_buffer's stream.
966 (flush_diagnostic_buffer): Adjust.
967 (default_print_error_function): Likewise.
968 (finish_diagnostic): Likewise.
969 (verbatim): Likewise.
971 * diagnostic.h (struct output_buffer): Add `stream' field.
972 (output_buffer_attached_stream): New macro.
974 2001-02-23 Jakub Jelinek <jakub@redhat.com>
976 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
977 check if either operand is divisible by C.
978 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
979 If type is signed, consider negative numbers as well.
981 2001-02-22 Richard Henderson <rth@redhat.com>
983 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
984 reach .text instead of gp-relative relocs.
985 * config/ia64/crtend.asm (.init): Likewise.
987 2001-02-22 Andreas Jaeger <aj@suse.de>
989 * extend.texi (C++ Attributes): Fix typo.
991 2001-02-21 David Mosberger <davidm@hpl.hp.com>
993 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
994 functions, drop current_function_args_info.words test.
995 (ia64_compute_frame_size): Mark syscall_linkage functions as
996 using eight input registers.
998 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
999 Bruce Korb <bkorb@gnu.org>
1001 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
1002 * fixinc/README: Document how to convert sed substitutions
1003 to format style c_fix-es.
1004 * fixinc/fixincl.x: regen
1006 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
1008 * gcc.c: Add comment explaining how to add a command-line option.
1009 Add title to specs language comment.
1011 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1013 * gcc.c (cc1_options): Add "-param".
1014 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
1015 (option_map): Likewise.
1016 * toplev.c (display_help): Add entry for "--param".
1017 (independent_decode_option): Fix typographical error.
1019 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
1020 Bernd Schmidt <bernds@redhat.com>
1021 Jan Hubicka <jh@suse.cz>
1023 * i386.c (function_arg_advance): Pass SSE arguments in registers.
1024 (function_arg): Likewise.
1026 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
1028 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
1030 2001-02-21 Kazu Hirata <kazu@hxi.com>
1032 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
1036 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
1038 * flow.c (init_propagate_block_info): Canon address and use single_set
1039 for killing dead memory stores.
1041 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
1043 * Makefile.in (reorg.o): Add params.h dependence.
1044 * params.def: Fix typographical error in comment.
1045 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1046 * params.h: Modify introductory comment.
1047 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
1048 * reorg.c: Add dependence on params.h.
1049 (redundant_insn): Add parameterized throttle for search.
1050 (fill_simple_delay_slots): Add a comment explaining a variable.
1051 Move conditional out of loop, simplifying code.
1052 (fill_eager_delay_slots): Fix typographical error in comment.
1054 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
1056 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
1058 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
1059 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
1061 2001-02-21 Jason Merrill <jason@redhat.com>
1063 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
1064 (struct tree_decl): Add uninlinable bitfield.
1065 * c-decl.c (duplicate_decls): Set it.
1066 * integrate.c (function_cannot_inline_p): Check it.
1068 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
1069 DW_AT_MIPS_linkage_name to abstract methods.
1070 (dwarf2out_abstract_function): Emit class context before calling
1071 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
1072 (gen_subprogram_die): Remove obsolete code.
1073 (gen_member_die): Don't include clones in the member list.
1074 (gen_decl_die): Emit abstract info for clone origin.
1075 * dwarfout.c (output_type): Don't include clones in the member list.
1076 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
1077 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
1078 DECL_ABSTRACT on a function that already has it set.
1080 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
1081 (get_subprogram_die): Pass it in.
1083 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
1085 * flow.c (mark_set_1): Make not_dead unsigned long. For
1086 non-pseudos, use it as a bitmask of the hard regs that
1089 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
1091 * cppfiles.c: Update comments.
1092 (_cpp_read_file): Don't check for NULL filenames any more.
1093 * cppinit.c (cpp_start_read): Don't do canonicalization of
1094 in_fname and out_fname. Use the passed file name exclusively.
1095 (_cpp_handle_options): Don't treat "-" as a command line option,
1096 but as a normal filename.
1097 (_cpp_post_options): Canonicalize in_fname and out_fname.
1098 * cppmain.c (printer_init): Don't check out_fname for NULL.
1099 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
1100 (init_c_lex): Update, and use "" to represent stdin to CPP.
1103 2001-02-20 Will Cohen <wcohen@redhat.com>
1105 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
1106 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
1107 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
1110 2001-02-20 Stan Shebs <shebs@apple.com>
1112 * config/rs6000/rs6000.c (output_cbranch): Output branches
1113 on separate lines instead of using ';' to separate.
1115 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
1117 * cppinit.c (set_lang): Move builtin handling to...
1118 (init_builtins): ...here.
1119 (_cpp_create_reader): Move call to set_lang.
1121 2001-02-20 Mark Mitchell <mark@codesourcery.com>
1123 * stmt.c (expand_return): If an attempt is made to return the
1124 error_mar_node, treat the return like a return without a value.
1126 2001-02-19 Zack Weinberg <zackw@stanford.edu>
1128 * sibcall.c (skip_copy_to_return_value): Call
1129 identify_call_return_value here, and return orig_insn if it
1130 returns zero. Hardret and softret arguments now unnecessary.
1131 (call_ends_block_p): Don't call identify_call_return_value here.
1133 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
1135 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
1136 * ggc.h (ggc_mark_if_gcable): Delete prototype.
1138 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
1140 * pa.c (move_operand): Accept code to load the address of a
1141 symbol out of the DLT as a valid move operand.
1142 (print_operand, case 'A'): New to handle generating a DLT
1143 reference for a LO_SUM expression.
1144 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
1145 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
1147 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
1149 * README, cpp.texi, gcc.texi, version.c: Update version number to
1151 * cpp.1, gcov.1, gcc.1: Regenerate.
1153 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
1155 * cppfiles.c (stack_include_file): Generate dependencies
1156 here, and manage include_count here too.
1157 (PRINT_THIS_DEP): Delete.
1158 (_cpp_execute_include): Do not generate dependencies here,
1159 apart from the case of a missing header. Do not manage
1161 (_cpp_read_file): Leave dependency generation to
1164 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
1166 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
1167 target_cpu_default. Remove dead assignment to
1170 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
1172 * regclass.c (contains_reg_of_mode): Make global.
1173 (init_reg_sets): Remove contains_reg_of_mode; take into account
1174 CLASS_MAX_NREGS when looking for the proper mode.
1175 (dump_regclass): Dump only classes considered for the pseudo.
1176 (regclass): Use contains_reg_of_mode.
1178 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
1180 * gcc.c (do_spec_1): 'n' for printing notices.
1181 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
1183 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
1185 * reg-stack.c (next_flags_user): Use current_block->end
1186 (swap_rtx_condition): Look for next user if flags don't die;
1187 give up on CALL_INSNs; use current_block->end.
1189 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1191 * sibcall.c (call_ends_block_p): New function.
1192 (optimize_sibling_and_tail_recursive_call): Use it.
1194 2001-02-18 Kazu Hirata <kazu@hxi.com>
1196 * config/h8300/h8300.md: Update copyright.
1197 (andsi3): Do not output an extra newline character.
1199 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1201 * toplev.c (note_deferral_of_defined_inlined_function): Argument
1202 FNDECL may be unused.
1204 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
1205 follow jumps after first run.
1206 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
1207 it doesn't change any jumps.
1209 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
1211 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
1212 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
1213 (mostlyclean): Corresponding changes.
1214 * rtlanal.c (hard-reg-set.h): Include.
1215 (rtx_unstable_p): Do not treat the argument pointer specially
1216 if it is not a fixed register.
1217 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
1219 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1221 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
1222 against last real insn in basic block.
1223 Rework to avoid gotos.
1225 * Makefile.in (gcse.o): Now includes ggc.h.
1226 * gcse.c: Include ggc.h.
1227 (want_to_gcse_p): Verify expression can be in SET as valid insn.
1228 (try_replace_reg): Remove warning of uninitialize variable.
1229 (process_insert_insn): Call invalid_insn_p to validate insn.
1230 * recog.c (insn_invalid_p): Now global.
1231 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
1232 * recog.h (insn_invalid_p): New declaration.
1234 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
1236 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
1237 assignments from FP constants since 'Y' output code can't handle it.
1238 (eligible_for_sibcall_delay): Likewise.
1240 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
1241 Call fancy_abort directly, passing args.
1242 (print_rtl_and_abort): Now a macro, like fancy_abort.
1244 * final.c (output_operand_lossage): Use internal_error, not error.
1246 2001-02-18 Shane Nay <shane@agendacomputing.com>
1248 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
1249 structure shift insns.
1251 2001-02-18 Mark Mitchell <mark@codesourcery.com>
1253 * invoke.texi (-fsquangle): Remove documentation.
1254 (-fname-mangling-version): Likewise.
1256 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
1258 * optabs.c (expand_abs): Remove reference to
1259 HAVE_contitional_arithmetic.
1260 * combine.c (simplify_set): Likewise.
1262 2001-02-18 Richard Henderson <rth@redhat.com>
1264 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
1267 2001-02-18 Richard Henderson <rth@redhat.com>
1269 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
1271 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
1273 * reload1.c (reload_cse_simplify_set): Fix typo.
1275 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1277 * diagnostic.c (_fatal_insn): Decrement errorcount.
1279 * invoke.texi (-I): Add note avoiding use for system header files.
1281 * rtl.h (add_clobbers): Remove duplicate declaration.
1282 * recog.h (added_clobbers_hard_reg_p): New declaration.
1283 * genemit.c (struct clobber_pat): New field has_hard_reg.
1284 (gen_insn): Record if added clobbers clobber hard reg.
1285 (gen_split): Avoid unused warning if number of operands is 0.
1286 (output_added_clobbers_hard_reg_p): New function.
1289 2001-02-18 Alan Modra <alan@linuxcare.com.au>
1291 * pa.c (hppa_expand_prologue): Simplify code storing return
1292 pointer. For large (>=8k) frames with a post_store, adjust stack
1293 pointer by 8k-64 first rather than by 64. When testing with
1294 VAL_14_BITS_P, always use the actual value rather than the value
1295 negated. Add blockage to prevent scheduling of spills before
1296 stack frame has been created.
1297 (hppa_expand_epilogue): Simplify code loading return pointer.
1298 Allow a slightly larger range for merge_sp_adjust_with_load case.
1299 When testing with VAL_14_BITS_P, always use the actual value.
1301 * pa.c (pa_adjust_insn_length): Check that block move
1302 pattern is a set before looking at operands.
1304 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1306 * fold-const.c (fold_binary_op_with_conditional_arg): New
1307 function, split out from ...
1309 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
1310 conditional arms that throw exceptions.
1312 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
1315 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1317 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
1318 define HAVE_DECL_* to 1 to mask potential backup declarations.
1319 * configure: Regenerated.
1321 2001-02-17 Mark Mitchell <mark@codesourcery.com>
1323 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
1325 2001-02-17 Richard Henderson <rth@redhat.com>
1327 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
1328 when replacing a memory load with a register.
1330 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1331 Jan Hubicka <jh@suse.cz>
1333 * recog.c (validate_replace_src_1): New.
1334 (validate_replace_src_data): Likewise.
1335 (validate_replace_src): Use note_uses.
1336 * rtl.h (note_uses): Declare.
1337 * rtlanal.c (note_uses): New.
1339 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
1341 * reg-stack.c (stack_def): Make field reg unsigned.
1342 (remove_regno_note): Unsignetize parameter.
1344 2001-02-16 Jes Sorensen <jes@linuxcare.com>
1346 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
1347 shladd_operand() call.
1349 2001-02-16 Bruce Korb <bkorb@gnu.org>
1350 Rodney Brown <RodneyBrown@mynd.com>
1352 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
1353 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
1354 machine restrictions
1355 * fixinc/fixincl.x: regen
1357 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1359 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
1361 (hash_scan_insn): Clean up calls to hash_scan_set.
1362 (compute_kill_rd): REGNO now unsigned.
1363 (try_replace_reg): Rework to use simplify_replace_rtx.
1364 (cprop_jump, cprop_cc0_jump): Likewise.
1365 (cprop_insn): Call find_reg_equal_equiv_note.
1366 Reflect changes to cprop_jump and cprop_cc0_jump.
1368 * recog.c (validate_replace_src): Replace in operands of
1369 ZERO_EXTRACT in SET_DEST.
1371 * cse.c (new_label_ref): New variable.
1372 (insert): Set it instead of recorded_label_ref.
1373 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
1374 CODE_LABEL for this function, and not already in REG_LABEL note.
1376 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
1378 * resource.c (mark_referenced_resources): Fix typo in introductory
1380 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
1383 2001-02-16 Jason Merrill <jason@redhat.com>
1385 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
1387 (gen_subprogram_die): Don't abort on seeing a second definition if
1388 the previous one was abstract. Don't replace an abstract instance
1389 in the lookup table.
1391 * dwarf2out.c (dwarf2out_abstract_function): Rename from
1392 gen_abstract_function.
1393 * dwarf2out.h: Declare it.
1394 * toplev.c (note_outlining_of_inline_function): New fn.
1395 * toplev.h: Declare it.
1396 * integrate.c (output_inline_function): Call it.
1397 * c-decl.c (duplicate_decls): Call it when redefining an extern
1398 inline. Don't inline the new defn.
1400 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
1402 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1404 * .gdbinit: Rename to gdbinit.in.
1405 * gdbinit.in: New file,
1406 * configure.in: Generate .gdbinit from gdbinit.in.
1407 * configure: Regenerated.
1408 * Makefile.in (distclean): Always remove .gdbinit.
1410 2001-02-16 Jakub Jelinek <jakub@redhat.com>
1412 * objc/objc-act.c (start_class): Register implemented_classes with
1415 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
1417 * cppfiles.c (_cpp_make_system_header): Generate a file
1420 2001-02-15 Jim Meyering <meyering@lucent.com>
1422 * Makefile.in (install-common): Don't depend on installdirs here.
1423 Instead, make each of the lang.install-common targets (e.g.,
1424 c++.install-common in cp/Make-lang.in) depend on it.
1425 (install-driver): Depend on installdirs.
1427 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1429 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
1431 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
1434 2001-02-15 Mark Mitchell <mark@codesourcery.com>
1436 * invoke.texi (--param): Document.
1438 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
1440 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
1442 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
1444 * i386.md (extendsfdf2_2): Fix constraints.
1446 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
1448 * i386.md (fop_df_3 splitter): Fix operand number.
1450 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
1452 * invoke.texi (-mreg-alloc): Nuke.
1453 * i386.c (ix86_reg_alloc_order, regs_allocated,
1454 order_regs_for_local_alloc): Nuke.
1455 (override_options): Kill reg_alloc code.
1456 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
1457 (REG_ALLOC_ORDER): SSE goes before I387.
1458 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
1459 (ix86_reg_alloc_order): Likewise.
1460 * i386-protos.h (ix86_reg_alloc_order): Kill.
1462 2001-02-14 Richard Henderson <rth@redhat.com>
1464 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
1466 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
1468 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
1470 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
1472 * i386-protos.h (ix86_memory_move_cost): Move offline.
1473 * i386.c (ix86_register_move_cost): Compute properly cost of
1474 SSE, MMX and i387 instructions.
1475 (*_cost): Add costs of SSE/MMX moves.
1476 (ix86_memory_move_cost): Move offline from ....; Likewise.
1477 * i386.h (MEMORY_MOVE_COST): .... here;
1478 (struct processor costs): Add new fields to represent costs
1481 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
1483 * regclass.c (init_reg_sets_1): Reinstall the optimization of
1484 move_cost together with Matt Kraai's fix.
1486 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1488 * Makefile.in (OBJS): Add params.o.
1490 2001-02-14 Richard Henderson <rth@redhat.com>
1491 DJ Delorie <dj@redhat.com>
1493 * jump.c (jump_optimize_1): When we delete a conditional jump
1494 preceeding a non-conditional jump to effectively the same place,
1495 make sure that the combined jump skips any clobber insns between
1498 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
1500 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
1502 2001-02-14 Mark Mitchell <mark@codesourcery.com>
1504 * Makefile.in (toplev.o): Depend on params.h.
1505 (intergate.o): Likewise.
1506 (params.o): New target.
1507 * flags.h (inline_max_insns): Remove.
1508 * integrate.c: Include params.h.
1509 Use MAX_INLINE_INSNS instead of inline_max_insns.
1510 * params.c: New file.
1511 * params.h: Likewise.
1512 * params.def: Likewise.
1513 * toplev.c: Include params.h.
1514 (lang_independent_params): New variable.
1515 (decode_f_option): Use the param machinery instead of setting
1517 (independent_decode_option): Handle "--param name=value".
1518 (main): Register language-independent parameters.
1520 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
1522 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
1524 2001-02-14 Richard Henderson <rth@redhat.com>
1526 * regclass.c (init_reg_sets_1): Revert last two changes.
1528 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1530 * stor-layout.c (is_pending_size, put_pending_size): New functions.
1531 (variable_size): Call put_pending_size.
1532 * tree.h (is_pending_size, put_pending_size): Add prototypes.
1533 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
1534 sizes list, put newly created SAVE_EXPR there as well.
1536 2001-02-14 Jakub Jelinek <jakub@redhat.com>
1538 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
1539 (errata_find_address_regs): load_group has only 2 entries.
1540 (errata_emit_nops): Likewise. shladd is not problematic.
1541 Clear last_group if nop was emitted.
1542 (fixup_errata): load_group has only 2 entries.
1545 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
1547 * c-lex.c (lex_number): Only warn traditionally for U suffix
1548 outside system macros.
1549 * cppexp.c (parse_number): Similarly.
1550 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
1551 * cppmacro.c (struct cpp_macro): New member node.
1552 (parse_args): Only warn about missing rest args if not
1554 (funlike_invocation_p): Similarly for uninvoked funlike macros.
1555 (cpp_sys_objmacro_p): New.
1556 (_cpp_create_definition): Store the node with the macro defn.
1557 Remember if the macro is defined in a system header.
1559 2001-02-13 DJ Delorie <dj@redhat.com>
1561 * configure.in (check_languages): determine languages to check
1562 * Makefile.in (check-c++): alias for check-g++
1563 (check-f77): alias for check-g77
1564 (CHECK_TARGETS): depend on configured languages
1566 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
1568 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1569 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1570 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1571 (sqrtextendsfdf2): Disable for SSE2.
1573 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1575 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
1576 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
1577 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
1578 (sqrtextendsfdf2): Disable for SSE2.
1580 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
1582 * i386.md (movsfcc_1): Support integer cmove instruction.
1583 (movdfcc_1): Likewise; new splitter.
1585 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
1587 * i386.c (output_fp_compare): Support SSE.
1588 (prepare_fp_compare_args): SSE comparisons always support memory.
1589 * i386.h (TARGET_CMOVE): SSE imply cmove.
1590 * i386.md (cmp?f2): Enable for SSE too.
1591 (cmpfp_i*): Support SSE.
1593 (cmpfp_i_sse_only): New.
1594 (s*, b* fp expanters): Enable for SSE too.
1595 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
1598 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
1600 * regclass.c (init_reg_sets_1): Silence warning.
1602 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
1604 * i386.md (sqrt?f2): Change to expander.
1605 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
1607 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1609 * rtlanal.c (find_reg_equal_equiv_note): New function.
1610 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
1611 (simplify_gen_relational, simplify_replace_rtx): Likewise.
1612 * rtl.h: Add declarations for above functions.
1614 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
1616 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
1618 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
1619 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
1620 * flow.c (mark_regs_live_at_end): Likewise.
1621 (calculate_global_regs_live): Likewise.
1622 * gcse.c (compute_hash_table): Likewise.
1623 (compute_kill_rd): Likewise.
1624 * resource.c (mark_target_live_regs): Likewise.
1625 * rtl.h (INVALID_REGNUM): New macro.
1627 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
1629 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
1631 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
1633 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
1636 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
1638 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
1640 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
1641 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
1642 (fop_sf_1_sse, fop_df_1_sse): New patterns
1643 (fop_*): Disable float_extend and float patterns for SSE compilation.
1644 * i386.c (output_387_binary_op): Support SSE.
1646 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
1648 * i386.md (dummy_extendsfdf2): Support SSE2
1649 (extendsfdf2): Enable if 80387 or SSE2.
1650 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
1651 and no MIX_I387_SSE2
1652 (extendsfdf2_1_sse_only): New pattern.
1653 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
1655 (truncdfsf2_1): Support SSE.
1656 (truncdfsf2_2): Support SSE.
1657 (truncdfsf2_2_1_sse): New pattern.
1658 (fixtruncsfsi2): Always use SSE if available.
1659 (fix_truncsfsi_sse): New pattern.
1660 (fix_truncdfsi_sse): New pattern.
1661 (floatsis?f2): Support SSE.
1662 (floatsidf2_i387): New pattern.
1663 (floatsidf2_sse): Likewise.
1665 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1667 * configure.in: Use "have_gnat" variable, not "gnat".
1668 * configure: Regenerated.
1670 * config/sparc/sparc.c (function_value): Treat all non-record
1671 aggregate types like used to treat UNION_TYPE.
1673 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
1675 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
1676 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
1678 (MASK_MIX_SSE_I387): New.
1679 (TARGET_SSE): SSE2 imply SSE.
1680 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
1681 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
1682 (enum reg_class): Add new classes.
1683 (REG_CLASS_NAMES): Likewise.
1684 (REG_CLASS_CONTENTS): Likewise.
1685 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
1686 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
1687 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
1688 (CLASS_MAX_NREGS): Use new macros.
1689 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
1690 * i386.md (pushsf, movsf): Support SSE.
1691 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
1692 splitters to use ANY_FP_REGNO_P.
1693 (movdf_nointeger, movdf_integer): Likewise.
1695 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1697 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
1698 (try_combine): Use it.
1700 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
1702 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
1703 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
1704 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
1705 (REGISTER_MOVE_COST): Likewise.
1706 * i386-protos.h (ix86_secondary_memory_needed,
1707 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
1708 * i386.c (ix86_secondary_memory_needed,
1709 ix86_preferred_reload_class, ix86_register_move_cost): New function.
1711 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
1713 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
1714 (HARD_REGNO_MODE_OK): Move offline to ....
1715 * i386.c (ix86_hard_regno_mode_ok) ... here;
1716 refuse all incorrect modes.
1717 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
1719 2001-02-13 Richard Henderson <rth@redhat.com>
1721 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
1722 entire operator; replicate that and match_dup the operands.
1723 (cmp_ccx_arith_op_set): Likewise.
1724 (cmp_cc_arith_op_not_set): Likewise.
1725 (cmp_ccx_arith_op_not_set): Likewise.
1727 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
1729 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
1731 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1733 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
1734 (TARGET_NO_BITFIELD_WORD): New macro.
1735 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
1736 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
1738 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1740 * cselib.c: New file, from simplify-rtx.c.
1741 * simplify-rtx.c: Remove cselib parts.
1742 * Makefile.in: Add cselib.o.
1744 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
1746 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
1747 (setup_incoming_varargs): Remove warning.
1749 * config/rs6000/rs6000.c (validate_condition_mode): When
1750 flag_fast_math, allow floating-point conditionals to be reversed.
1751 (rs6000_generate_compare): When flag_fast_math, don't generate
1752 cror operations for FP conditionals.
1754 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
1756 (ASM_SPEC): Likewise.
1757 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
1758 (CC1_SPEC): Likewise.
1759 (LINK_TARGET_SPEC): Likewise.
1760 (CPP_ENDIAN_SPEC): Likewise.
1761 * Makefile.in (check-consistency): New target.
1763 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
1765 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
1766 "return type defaults" warning for functions with return type
1768 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
1769 function declarations by default rather than only when pedantic.
1771 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
1773 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
1776 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1778 * extend.texi (Deprecated): Deprecate new initializer lists.
1780 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
1782 * mkdeps.c (deps_add_default_target): Robustify. Add
1783 basename component only.
1784 * cpp.texi (-M): Describe how default target is generated.
1785 * invoke.texi (-M): Likewise.
1787 2001-02-12 Kazu Hirata <kazu@hxi.com>
1789 * toplev.c (push_float_handler): Remove.
1790 (pop_float_handler): Remove.
1791 * toplev.h: Remove prototypes for the above functions.
1793 2001-02-12 Jakub Jelinek <jakub@redhat.com>
1795 * c-common.c (constant_fits_type_p): New function.
1796 (convert_and_check): Use it.
1798 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1800 * Makefile.in (GXX_ABI_FLAG): Don't define.
1801 * configure.in (--enable-new-gxx-abi): Remove option.
1802 * config.in: Regenerated.
1803 * configure: Likewise.
1805 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
1807 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
1809 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
1810 regular basic block, and arrange for all edges into it to switch
1813 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
1815 * Makefile.in (distclean): Do not remove .gdbinit.
1817 2001-02-11 Mark Mitchell <mark@codesourcery.com>
1819 * Makefile.in (gcc.o): Fix typos.
1820 (protize.o): Likewise.
1821 (unprotoize.o): Likewise.
1823 2001-02-11 Richard Henderson <rth@redhat.com>
1825 * tree.c (build1): Check for null operand in last change.
1827 2001-02-11 Richard Henderson <rth@redhat.com>
1829 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
1830 (fold): Don't assume a constant isn't foldable.
1831 * tree.c (build): Set TREE_CONSTANT for an expression with no
1832 side-effects and constant operands.
1835 2001-02-10 Richard Henderson <rth@redhat.com>
1837 * jump.c (squeeze_notes): Revert 2000-05-12 change.
1839 2001-02-10 Anthony Green <green@redhat.com>
1841 * cpp.texi (Standard Predefined): Add documentation for
1844 * c-common.c (combine_strings): Improve warning message.
1846 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
1848 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
1850 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
1852 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
1854 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
1857 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
1859 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
1862 2001-02-09 Nick Clifton <nickc@redhat.com>
1864 * config/arm/arm.md: Change output contraint on post inc
1865 load/store multiple patterns to be a read/write contraint.
1867 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
1869 * gcc.c (cpp_options): Delete .d files on error. Don't delete
1870 .o files when using the -M options.
1872 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
1873 David Edelsohn <edelsohn@gnu.org>
1875 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
1876 handle DImode constants. Use one TOC entry for SImode and smaller
1877 constants, aligned properly.
1879 2001-02-08 Jason Merrill <jason@redhat.com>
1881 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
1882 about the SP adjustment for saving the static chain pointer.
1883 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
1884 offset when setting a temporary CFA register.
1886 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
1888 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
1889 powerpc-*-chorusos* .
1890 * config/rs6000/chorus.h : New file.
1891 * config/i386/chorus.h : New file.
1892 * config/sparc/chorus.h : New file.
1893 * config/sparc/t-chorus-elf : New file.
1895 2001-02-08 David Edelsohn <edelsohn@gnu.org>
1897 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
1898 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
1899 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
1900 (__WCHAR_TYPE__): Correct macro name.
1902 2001-02-08 Richard Henderson <rth@redhat.com>
1904 * config/i386/i386.c (ix86_frame_pointer_required): New.
1905 (ix86_setup_frame_addresses): New.
1906 (struct machine_funciton): Add accesses_prev_frame.
1907 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
1908 ix86_frame_pointer_required.
1909 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
1910 (SETUP_FRAME_ADDRESSES): New.
1911 * config/i386/i386-protos.h: Update.
1912 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
1913 from FRAME_POINTER_REQUIRED.
1914 * config/i386/svr3gas.h: Likewise.
1915 * config/i386/sysv3.h: Likewise.
1916 * config/i386/v3gas.h: Likewise.
1918 2001-02-08 Richard Henderson <rth@redhat.com>
1920 * config/sparc/sparc.c (function_arg_record_value_3): Fix
1921 calculation of the number of integer registers required.
1922 (function_arg_record_value): Likewise.
1924 2001-02-08 Jason Merrill <jason@redhat.com>
1926 * diagnostic.c (internal_error): Say "confused" after 1 error, not
1927 two. Print file and line with "confused" message.
1929 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
1931 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1933 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
1935 2001-02-08 Bernd Schmidt <bernds@redhat.com>
1937 * final.c (cleanup_subreg_operands): The address of a MEM can
1940 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
1943 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
1945 * gcc.texi (Incompatibilities): Update documentation of
1946 preprocessing numbers.
1948 2001-02-07 Jakub Jelinek <jakub@redhat.com>
1950 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
1952 2001-02-07 Mark Mitchell <mark@codesourcery.com>
1954 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
1956 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
1957 * gcc.c (struct compiler): Add cpp_spec field.
1958 (input_file_compiler): New variable.
1959 (do_spec_1): Allow a particular compiler to handle `%C'
1961 (main): Store the current compiler in input_file_compiler.
1962 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
1964 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
1966 * cpphash.h (struct spec_nodes): Add n_true and n_false.
1967 * cppinit.c (cpp_create_reader): Initialize them.
1968 (append_include_chain): cxx_aware arg might be unused.
1969 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
1970 keywords and give them their phase 7 meaning. Pedwarn about
1971 this unless '__bool_true_false_are_defined' is defined.
1973 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1975 * lcm.c (optimize_mode_switching): Emit mode_set before the
1976 JUMP_INSN of an abnormal edge.
1978 2001-02-07 Bernd Schmidt <bernds@redhat.com>
1980 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
1981 a scheduling barrier at the end.
1983 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
1985 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
1987 * config/sh/sh.md (reload_outsf): Removed.
1988 (movsf_ie): Introduce constraints for FPUL loads and stores.
1989 (reload_insf): Broaden the output constraint.
1991 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
1993 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
1994 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
1996 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
1998 * final.c: Revert my previous changes.
1999 * output.h: Make profile_label_no extern.
2000 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
2001 for generating label.
2003 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
2005 * config/i386/djgpp.h: Add comments about standard paths.
2006 (MD_EXEC_PREFIX): Undefine before defining.
2007 (MD_STARTFILE_PREFIX): New.
2009 2001-01-30 Bruce Korb <bkorb@gnu.org>
2011 fixinc/fixincl.c(process): Emit error message only if appropriate :)
2012 (load_file): do not rely on load_file_data() to close file pointer
2013 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
2014 fixinc/inclhack.def(irix_limits_const): add test_text
2016 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2018 * cppexp.c (parse_defined): Improve diagnostics for invalid
2021 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
2023 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
2025 2001-02-06 Mark Mitchell <mark@codesourcery.com>
2027 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
2028 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
2029 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
2030 (rs6000_output_symbol_ref): New function.
2031 (output_toc): Use VTABLE_NAME_P.
2033 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2035 * print-tree.c (print_node, case PARM_DECL):
2036 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
2038 * stor-layout.c (reference_types_internal): New variable.
2039 (internal_reference_types): New function.
2040 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
2041 * tree.h (internal_reference_types): New declaration.
2043 * cse.c (find_best_addr): Fix typo in computing cost.
2045 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2047 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
2048 and this is the sum of a pointer and a constant, we know the result
2050 (num_sign_bit_copies, case PLUS): Likewise.
2051 * explow.c (convert_memory_address): Remove opposite SUBREG.
2052 * function.c (instantiate_new_reg): New function (from common code).
2053 (instantiate_virtual_regs_1): Call it.
2054 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
2055 if pointers sign- or zero-extend.
2056 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
2057 If pointers extend unsigned, use inside of SUBREG.
2058 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
2060 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
2062 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
2063 subdir of gcc_gxx_include_dir.
2064 (gcc_gxx_target_include_dir): Remove.
2066 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
2068 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
2069 (dwarf2out_frame_debug_expr): Revise introductory comments to add
2070 a high-level description.
2072 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
2074 * final.c: Move the declaration of profile_label_no to ...
2075 * output.h: ... here.
2076 * function.c (expand_function_start): Call PROFILE_HOOK.
2077 * config/rs6000/aix.h: Define PROFILE_HOOK.
2078 * config/rs6000/rs6000-protos.h: output_profile_hook new.
2079 * config/rs6000/rs6000.c (output_profile_hook): Define.
2080 (output_prolog): Do nothing for ABI_AIX as it is taken care by
2081 output_profile_hook.
2082 tm.texi : Explain new macro PROFILE_HOOK.
2084 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
2086 * extend.texi (Extended Asm): Do not say that semicolon is always
2087 a valid line-breaking character for GNU assemblers. Use
2088 newline-tab as the most commonly supported syntax. Use
2089 newline-tab rather than semicolon in multi-insn examples.
2091 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2093 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
2095 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2096 David Edelsohn <edelsohn@gnu.org>
2098 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
2099 code for AIX, even without flag_pic.
2101 2001-02-05 Jakub Jelinek <jakub@redhat.com>
2103 * c-typeck.c (common_type): push and pop binding level around
2104 calling common_type on function parameters.
2106 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
2108 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
2110 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2112 * config/mips/mips.c (override_options): Fix typo in last change.
2113 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
2114 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
2116 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
2118 * invoke.texi (-fdump-class-layout): Document.
2119 (-fdump-translation-unit): Use `=' as filename separator.
2121 2001-02-05 Mark Mitchell <mark@codesourcery.com>
2123 * Makefile.in (s-mlib): Don't build multilibs if
2125 (DRIVER_DEFINES): Adjust accordingly.
2127 (protoize.o): Likewise.
2128 (unprotoize.o): Likewise.
2129 * configure.in: Recognize --enable-multilib.
2131 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2133 * Makefile.in (DRIVER_DEFINES): Fix quoting.
2135 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
2136 * configure.in: Remove --enable-libstdcxx_v3 support.
2137 * configure: Regenerated.
2139 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2141 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
2142 Call abort instead of fatal.
2143 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
2144 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
2145 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
2146 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
2147 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
2148 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
2150 * diagnostic.h (set_internal_error_function): Renamed.
2151 * toplev.h (internal_error): Renamed from fatal.
2152 (pfatal_with_name): Deleted.
2153 (fatal_io_error): Now has printf-style arguments.
2154 * diagnostic.c (pfatal_with_name): Deleted.
2155 (fatal_io_error): Rework to have args in printf-style.
2156 (set_internal_error_function): Renamed from set_fatal_function.
2157 (internal_error): Renamed from fatal.
2158 (error_recursion, fancy_abort): Call internal_error instead of fatal.
2159 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
2160 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
2161 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
2162 * flow.c (verify_flow_info): Likewise.
2163 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
2164 * config/mips/mips.c (save_restore_insns): Likewise.
2166 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
2167 * flow.c (verify_flow_info): Likewise.
2168 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
2169 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
2170 (avr_normalize_condition): Likewise.
2171 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
2172 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
2173 (limit_reload_class, double_reg_to_memory): Likewise.
2174 (print_operand_address, emit_1600_code_shift): Likewise.
2175 (gen_tst_reg, gen_compare_reg): Likewise.
2176 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
2177 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
2179 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
2181 * c-parse.in (methoddef): Call fatal_error instead of fatal.
2182 * objc/objc-act.c (build_ivar_chain): Likewise.
2183 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
2185 * graph.c (clean_graph_dump_file): Likewise.
2186 * profile.c (init_branch_prob): Likewise.
2187 * objc/objc-act.c (objc_init): Likewise.
2189 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
2190 * config/avr/avr.c (avr_override_options): Likewise.
2191 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
2192 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
2193 * config/h8300/h8300.c (h8300_init_once): Likewise.
2194 * config/mips/mips.c (override_options): Likewise.
2195 * config/i386/i386.c (override_options): Likewise, rework.
2196 * config/m68k/m68k.c (override_options): Likewise.
2198 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
2200 * config/mips/mips.c (print_operand): Likewise.
2201 * hash.c (hash_allocate): Don't check for failure returns from
2202 obstack functions that can't fail.
2203 (hash_table_init_n, hash_table_init): Likewise; also now return void.
2204 * hash.h (hash_table_init_n, hash_table_init): Now return void.
2205 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
2206 (get_object_reference): Likewise.
2208 2001-02-04 Nick Clifton <nickc@redhat.com>
2210 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
2211 StrongARM1110, 10TDMI, and 1020T.
2213 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2215 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
2217 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
2219 * config/sh/sh.md (movdf load split): Pass register number to
2220 FP_OR_XD_REGISTER_P.
2222 2001-02-04 Mark Mitchell <mark@codesourcery.com>
2224 * cppinit.c (BC): New macro.
2225 (builtin_array): Add __GXX_WEAK__.
2226 * cpplib.h (builtin_type): Add BT_WEAK.
2227 * cppmacro.c (builtin_macro): Handle BT_WEAK.
2228 * defaults.h (SUPPORTS_ONE_ONLY): Define.
2229 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
2231 2001-02-03 Jakub Jelinek <jakub@redhat.com>
2233 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
2235 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2237 * cpphash.h: Rename _ALIGN POOL_ALIGN.
2238 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2240 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
2242 * cpphash.h: Rename ALIGN _ALIGN.
2243 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
2245 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
2247 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
2248 compilation environment.
2249 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
2250 control over location of cygwin includes and libs.
2252 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2254 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
2256 2001-02-02 lars brinkhoff <lars@nocrew.org>
2258 * md.texi (Standard Names): remove reference to spur.md.
2260 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
2262 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
2263 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
2264 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
2265 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
2266 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
2268 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2270 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
2271 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
2272 number before reload.
2273 (c4x_adjust_cost): Return zero before reload.
2274 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
2275 split before reload.
2277 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2279 * c4x.c (c4x_hard_regno_rename_ok): New.
2280 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
2281 * c4x.h (HARD_REGNO_RENAME_OK): Define.
2283 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2285 * diagnostic.h: Add missing "extern" in all declarations.
2287 2001-02-02 Alex Samuel <samuel@codesourcery.com>
2289 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
2290 as for gcc_gxx_include_dir.
2292 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
2294 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
2296 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2298 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
2299 label before alignment to be used as the braf base address.
2300 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
2302 (casesi_jump_2): Require at least TARGET_SH2.
2304 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
2305 truncation to 32-bit doubles on -m3e and -m4-single-only.
2307 2001-02-02 Mark Mitchell <mark@codesourcery.com>
2309 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
2310 the default when building a shared object.
2311 (init_spec): Use it.
2312 * testsuite/lib/g++.exp: Include the directory where libgcc
2313 is located to the LD_LIBRARY_PATH list.
2314 * invoke.texi (-shared-libgcc): Document the cases in which
2315 GCC defaults to using the shared libgcc.
2317 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
2319 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
2320 unsigned is wide enough.
2322 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
2323 (si_to_float): Likewise.
2324 (float_to_si, float_to_usi): Use BITS_PER_SI.
2326 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2328 * dwarf2out.c: Added explanation of abbreviations.
2329 (def_cfa_1): Added comments listing DWARF2 instructions.
2330 (cfa_temp_reg): Removed in favor of cfa_temp.
2331 (cfa_temp_value): Removed in favor of cfa_temp.
2332 (cfa_temp): New global variable.
2333 (dwarf2out_frame_debug_expr): Added extensive introductory
2334 comments explaining the function's transformations. Revised to
2335 use cfa_temp. Added some rtx checking. Generalize IOR case.
2336 (dwarf2out_frame_debug): Revised to use cfa_temp.
2337 (output_aranges): Cast as "unsigned" to avoid warning.
2338 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
2339 explain which instructions must be marked.
2341 2001-02-01 Richard Henderson <rth@redhat.com>
2343 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
2346 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
2348 * config/sh/crt1.asm (main_k): Modified so that start calls
2349 ___setup_argv_and_call_main.
2351 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
2353 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
2354 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
2355 and AVOID_LPASTE is cleared on meeting an unescaped newline.
2356 * cppmacro.c (builtin_macro): Set builtin flags here.
2357 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
2358 (replace_args): Clarify intent.
2359 (cpp_get_token): Macro expansion tokens get the saved flags.
2361 * cppmain.c (scan_buffer): Remove now-redundant print.printed
2364 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
2366 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
2369 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2371 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
2372 returns Pmode pseudo, but we need ptr_mode.
2373 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
2374 Remove bogus conversions; use HOST_WIDE_INT for size.
2375 Don't use TARGET if wrong mode.
2377 * config/i386/i386.c (ix86_compute_frame_size): Allow
2378 stack_alignment_needed to be non-default even if size is zero.
2380 2001-01-31 Alan Modra <alan@linuxcare.com.au>
2382 * (hppa_init_pic_save): Emit the pic offset table
2383 reg save after last_parm_insn.
2384 * pa.c (hppa_init_pic_save): New function.
2385 * pa.h (hppa_init_pic_save): Declare.
2386 * pa.md (call, call_value, sibcall, sibcall_value): Use
2387 the above instead of duplicated code.
2389 * pa.c (hppa_encode_label): Correct size of alloca buffer
2390 so we don't overrun it. Correct leading `*' case.
2391 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
2392 need to handle `*@'.
2393 (FUNCTION_NAME_P): Likewise.
2395 2001-01-31 Richard Henderson <rth@redhat.com>
2397 * config.gcc (alpha-osf5): Use float-i128.h.
2399 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
2400 * config/float-i32.h: Likewise.
2401 * config/float-i64.h: Likewise.
2402 * config/float-sh.h: Likewise.
2403 * config/float-sparc.h: Likewise.
2405 2001-01-31 DJ Delorie <dj@redhat.com>
2407 * expmed.c (extract_bit_field): allow non-integral modes if we
2408 want to extract a whole register from itself.
2410 2001-01-31 Jakub Jelinek <jakub@redhat.com>
2412 * c-typeck.c (set_init_index): If first is equal to last, assume as
2413 if it was not a range at all.
2415 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2417 * config/fp-bit.c: Include tm.h.
2418 (float_to_si): Don't assume SImode is 32-bits wide.
2419 (float_to_usi): Likewise.
2421 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
2423 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
2425 (typename): Call pending_xref_error after parsing typed_typespecs.
2426 * c-decl.c (lookup_tag): Give error immediately rather than
2427 leaving it pending if the tag of the wrong type is in the same
2429 (xref_tag): Don't pedwarn for forward declarations of enum types
2431 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
2434 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2436 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
2438 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2440 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
2441 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
2443 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
2445 * cpphash.h (struct cpp_reader): New saved_flags.
2446 * cppmacro.c (cpp_get_token): Use saved_flags to remember
2447 to avoid a paste after a pasted token.
2449 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
2451 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
2452 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
2453 Wtype_MIN instead of LONG_MIN.
2455 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2457 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
2459 * fixinc/fixincl.x: Regenerated.
2460 * fixinc/inclhack.def (irix_limits_const): New definition to
2461 convert "const" to "__const" in limits.h.
2463 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
2465 * fixinc/genfixes (AG): Fix "autogen4" thinko.
2467 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2469 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
2470 when register dies in the insn.
2472 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2474 * diagnostic.c (fatal): Fix word wrap.
2476 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
2478 * combine.c (try_combine): Fix SUBREG setting for
2479 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
2481 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2483 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
2486 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
2488 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
2490 * toplev.c (decode_W_option): Update warn_larger_than
2491 unconditionally for each processed switch.
2493 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
2495 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
2497 (hppa_expand_prologue): Delete code to save pic offset table register
2498 in the function prologue.
2499 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
2500 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
2501 table register at the beginning of the function after the prologue.
2503 2001-01-29 lars brinkhoff <lars@nocrew.org>
2505 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
2507 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
2508 Jeff Law <law@redhat.com>
2510 * pa.md (return): Revise comment for trivial return.
2511 (return_internal): Non-trivial return pattern for non-PIC code.
2512 (return_internal_pic): Non-trivial return pattern for PIC code.
2513 It uses the PIC register to ensure it is restored after
2515 (epilogue): Generate appropriate return for PIC and non-PIC code.
2517 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
2519 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
2521 2001-01-29 DJ Delorie <dj@redhat.com>
2523 * combine.c (if_then_else_cond): Pass the correct mode to
2524 operand_subword() for constants.
2526 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
2528 * config/i386/cygwin.h: Add w32api to include search. Search different
2529 directories in a cross-build environment.
2531 2001-11-29 Tim Josling <tej@melbpc.org.au>
2533 * tree.h (TYPE_STUB_DECL): Add documentation.
2535 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
2537 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
2538 (sdbout_field_types): Likwise. Fix use of host_integerp.
2540 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
2542 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
2545 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
2547 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
2548 to use flag_gnu_linker.
2550 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
2552 * cpplib.c (T_BAD_DIRECTIVE): Remove.
2553 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
2555 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
2557 * tree.c, tree.h (build_parse_node): Remove; was identical to
2559 * c-lang.c (start_cdtor), objc/objc-act.c
2560 (build_module_descriptor): Use build_nt instead of
2563 2001-01-29 Jakub Jelinek <jakub@redhat.com>
2565 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
2566 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
2567 not have any upper bits set.
2569 2001-01-29 Phil Edwards <pme@sources.redhat.com>
2571 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
2573 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2575 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
2577 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
2579 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
2580 (integer_minus_one_node): Define.
2582 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
2584 * Makefile.in (bootstrap2-lean): Fix typo.
2586 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
2588 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
2589 : Don't set fe_value.
2590 * cpplib.h (AVOID_LPASTE): New flag.
2591 (struct cpp_hashnode): Remove fe_value.
2592 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
2593 * cppmacro.c (builtin_macro): Don't set flags here.
2594 (replace_args): Set AVOID_LPASTE flag on first token of an
2595 argument, and the token following it.
2596 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
2597 macro expansion, and on the token following it. Do it for
2599 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
2601 2001-01-27 Richard Henderson <rth@redhat.com>
2603 * config/alpha/t-ieee: Remove multilibbing.
2604 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
2606 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2608 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
2610 * Makefile.in: Remove all dependencies on defaults.h.
2611 * builtins.c: Don't include defaults.h.
2612 * c-common.c: Likewise.
2613 * c-decl.c: Likewise.
2614 * c-pragma.c: Likewise.
2615 * c-typeck.c: Likewise.
2616 * combine.c: Likewise.
2618 * frame-ia64.c: Likewise.
2619 * cppexp.c: Likewise.
2620 * crtstuff.c: Likewise.
2621 * dbxout.c: Likewise.
2622 * dwarf2out.c: Likewise.
2623 * dwarfout.c: Likewise.
2624 * emit-rtl.c: Likewise.
2625 * except.c: Likewise.
2627 * final.c: Likewise.
2628 * frame-dwarf2.c: Likewise.
2629 * libgcc2.c: Likewise.
2630 * optabs.c: Likewise.
2631 * profile.c: Likewise.
2632 * sdbout.c: Likewise.
2633 * toplev.c: Likewise.
2634 * tradcif.y: Likewise.
2636 * varasm.c: Likewise.
2638 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2640 * builtins.c (expand_builtin_fputs): Use size_one_node when
2641 transforming into fwrite.
2643 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
2645 * extend.texi (Attribute Syntax): New section.
2647 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
2649 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
2650 they didn't need fixing.
2652 2001-01-27 Janis Johnson <janis@us.ibm.com>
2654 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
2656 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
2657 to remove macro definitions that are duplicated from elfos.h.
2659 2001-01-27 Richard Henderson <rth@redhat.com>
2661 * config/i386/sco5gas.h: Move ...
2662 * config/usegas.h: ... here.
2663 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
2665 2001-01-27 Jakub Jelinek <jakub@redhat.com>
2667 * c-typeck.c (struct constructor_stack): Add range_stack member.
2668 (really_start_incremental_init): Clear it.
2669 (push_init_level): Save constructor_range_stack and clear it if
2670 pushing explicit braces.
2671 (pop_init_level): abort if constructor_range_stack is non-zero at
2672 explicit closing brace. Restore saved constructor_range_stack if
2675 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2677 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
2678 into register was forced into memory.
2680 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
2682 * Makefile.in: Remove uses of + before $(MAKE).
2684 2001-01-26 Richard Henderson <rth@redhat.com>
2686 * stmt.c (cost_table): Remove.
2687 (COST_TABLE, cost_table_initialized): New.
2688 (estimate_case_costs): Use the later instead of the former.
2689 (balance_case_nodes): Likewise.
2691 2001-01-26 Richard Henderson <rth@redhat.com>
2693 * alias.c (objects_must_conflict_p): Read-only slots may not
2694 conflict despite having the same type.
2696 2001-01-27 Michael Hayes <mhayes@redhat.com>
2698 * loop.c (loop_giv_reduce_benefit): Copy mode size into
2700 (check_ext_dependant_givs): Initialise u_start_val and
2702 (load_mems): Make last_max_reg unsigned.
2703 (try_swap_copy_prop): Use INSN_P and initialise set.
2705 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
2707 * README.AVR : Removed.
2709 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
2711 * pa-64.h (text_section): Remove declaration.
2713 * pa.md (return_internal): Remove mode on PIC register use.
2715 2001-01-25 lars brinkhoff <lars@nocrew.org>
2717 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
2718 ASM_CLOSE_PAREN): fix typos.
2720 2001-01-25 Mark Mitchell <mark@codesourcery.com>
2722 * acconfig.h: Define `const' to the empty string if neither
2723 __STDC__ nor __cplusplus is defined.
2724 * config.in: Regenerated.
2726 2001-01-25 David Edelsohn <edelsohn@gnu.org>
2728 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
2729 * collect2.c (main): Delete importf. Add ".obj" file extension.
2730 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
2731 (aix_std_libs): Add additional AIX libraries to skip.
2732 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
2733 * config/rs6000/aix51.h: New file.
2735 2001-01-25 Michael Hayes <mhayes@redhat.com>
2737 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
2738 (loop_insn_emit_before): No longer static.
2739 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
2740 (loop_givs_rescan, load_mems): Likewise.
2741 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
2742 (maybe_eliminate_biv_1):
2743 (move_movables): Replace emit_call_insn_before with
2744 loop_call_insn_hoist.
2745 * loop.h (loop_insn_emit_before): Add.
2746 * unroll.c (copy_loop_body): Replace emit_insn_before with
2747 loop_insn_emit_before.
2749 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
2751 * diagnostic.c (fatal): Request preprocessed source.
2753 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
2755 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
2756 olddecl has argument types and newdecl has none, use the argument
2759 2001-01-24 Ulrich Drepper <drepper@redhat.com>
2761 * dwarf2out.c (prefix_of): New function. Determine longest common
2762 prefix of the two arguments. The units are whole path components.
2763 (output_file_names): When adding a new directory find the one entry
2764 with the longest common prefix already in the list. Artificially
2765 generate entry if there is none for this prefix.
2766 Fix test to check whether the zeroth directory entry is used.
2768 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
2770 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
2771 Changed all callers. Take it into account when deciding if a
2772 previously loaded value matches.
2774 2001-01-24 Richard Henderson <rth@redhat.com>
2776 * reload.c (find_reloads_subreg_address): Fail the substitution
2777 if the resulting address is insufficiently aligned.
2779 2001-01-24 DJ Delorie <dj@redhat.com>
2781 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
2782 check the original operand's mode also.
2783 * simplify-rtx.c (simplify_ternary_operation): Ditto.
2785 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2787 * c-parse.in (cast_expr): Move compound literals from here ...
2788 (primary): ... to here. Use standard terminology "compound
2789 literal" instead of "constructor expression".
2791 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
2793 * gcc.1, cpp.1: Regenerate.
2795 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
2797 * calls.c (emit_library_call_value_1): Memory slot for
2798 pass-by-reference argument should have the mode of the argument,
2799 not of the pointer to it.
2801 2001-01-24 Tom Tromey <tromey@redhat.com>
2803 * gcc.texi (G++ and GCC): Mention gcj manual.
2804 (Standards): Link to section of manual mentioning gcj/Java
2807 2001-01-24 Jakub Jelinek <jakub@redhat.com>
2809 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
2810 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
2811 * tradcpp.c (main): Add -imacros or -include'd dependencies
2813 * cpp.texi (-M, -MM): Document -M -include behaviour.
2815 2001-01-24 Roger Collins <roger@ProProject.com>
2817 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
2819 2001-01-24 Will Cohen <wcohen@redhat.com>
2821 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
2822 whether registers are 32 bits or 64 bits in size.
2824 2001-01-24 Ben Elliston <bje@redhat.com>
2826 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
2828 2001-01-24 Richard Henderson <rth@redhat.com>
2830 * config/alpha/alpha.md (builtin_longjmp_internal): New.
2831 (builtin_longjmp): Use it instead of emit_indirect_jump.
2833 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
2835 * bb-reorder.c (make_reorder_chain_1): Handle case where
2836 jump edge goes to the same block as the fallthru edge.
2838 2001-01-23 Jim Wilson <wilson@redhat.com>
2840 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
2841 * frame.h (__ia64_personality_v1): Add prototype.
2842 * libgcc2.c (ia64_throw_helper): Change personality declaration to
2843 prototype form. Add void * cast to first argument to personality
2845 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
2846 (asctoe113): Likewise.
2847 * config/ia64/frame-ia64.c: Include eh-common.h.
2848 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
2850 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
2852 (itanium_split_issue): Add prototype.
2853 (gen_nop_type): Ifdef out.
2854 (find_best_packet): Initialize best_packet.
2855 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
2857 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
2858 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
2859 (flushrs): Add explicit stop bit at end.
2860 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
2863 2001-01-23 Chris Demetriou <cgd@broadcom.com>
2865 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
2867 * libgcc2.c (__terminate_func): Make variable static.
2868 (__terminate_set_func): New function to set __terminate_func.
2869 * libgcc2.h (__terminate_func_ptr): New typedef.
2870 (__terminate_set_func): New function.
2872 2001-01-23 Richard Henderson <rth@redhat.com>
2874 * flow.c (init_propagate_block_info): Don't consider unchanging
2875 memories for dead frame store elimination.
2877 2001-01-23 Richard Henderson <rth@redhat.com>
2879 * varasm.c (UNIQUE_SECTION): Move default implementation ...
2880 * defaults.h: ... here.
2882 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
2884 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
2886 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
2888 * c-lex.c (lex_charconst): Fix typo: s/p/str.
2890 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2892 * rs6000.h (rs6000_return_addr): Move prototype from here...
2893 * rs6000-protos.h (rs6000_return_addr): ...to here.
2894 (rs6000_init_expanders): Delete prototype.
2896 2001-01-23 Nick Clifton <nickc@redhat.com>
2898 * invoke.texi: Replace , with \, inside @gccoptlist macros.
2899 (Spec Files): Document %B and %j and %. and %v3 and %M and
2900 %{S*&T} spec switches.
2902 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2904 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
2906 2001-01-23 Chris Demetriou <cgd@sibyte.com>
2907 Neil Booth <neil@daikokuya.demon.co.uk>
2909 * cpperror.c: Merge handlers of PEDWARN and WARNING.
2910 Have -Werror make pedantic warnings errors, like the
2913 2001-01-23 Phil Edwards <pme@sources.redhat.com>
2915 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
2917 2001-01-23 Jakub Jelinek <jakub@redhat.com>
2919 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
2920 * integrate.c (expand_inline_function): Initialize them.
2921 (subst_constants): If changing COMPARE so that both its arguments
2922 will be VOIDmode and the comparison mode will be lost, note
2923 compare_mode. Use the recorded compare_mode to optimize
2926 2001-01-23 Jason Merrill <jason@redhat.com>
2928 * dwarf2out.c (new_die): Use xcalloc.
2929 (output_die): Abort rather than emit a local reference to offset 0.
2931 2001-01-17 Andrew Haley <aph@redhat.com>
2933 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
2934 of a saved register; return NULL instead.
2935 (copy_reg): Take a pointer to a source register rather than a
2937 (next_stack_level): Remember the address in the stack frame of all
2939 Use the saved register pointer array as the source of the CFA.
2940 (throw_helper): Rewrite. Unwind once rather than twice and keep
2941 track of saved registers as we go.
2943 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2945 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
2946 * c4x.c (c4x_legitimize_reload_address): Remove.
2947 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
2948 reload address for ldp(k) insn.
2950 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
2952 * pa.md (return_internal): Add a USE of the PIC register to ensure
2953 it is restored after each call.
2954 (return expander): Corresponding changes.
2956 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2958 * rs6000.h (INIT_EXPANDERS): Delete.
2959 (RETURN_ADDR_RTX): Call rs6000_return_addr().
2960 * rs6000.c (rs6000_override_options): Call *_machine_status from
2962 (rs6000_init_expanders): ...instead of here. Delete.
2963 (rs6000_mark_machine_status): New function.
2964 (rs6000_init_machine_status): Use xcalloc.
2965 (rs6000_return_addr): Generate RTX for the return address.
2966 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
2967 (rs6000_stack_info): Use it.
2969 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
2971 * gthr-win32.h: Include errno.h to get a declaration for
2972 EINVAL and _mingw.h if the target is mingw32.
2974 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
2976 * cpp.texi: Correct typos.
2978 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2980 * explow.c (probe_stack_range): Ensure value passed to
2981 stack_check_libfunc is ptr_mode, not Pmode.
2983 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
2985 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
2986 case, don't use operand_subword to calculate a SUBREG that is
2989 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
2991 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2993 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
2994 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
2995 valid. If not replace it by equivalent insns.
2997 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
2999 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
3000 contains SYMBOL_REF, LABEL_REF and CONST_INT.
3001 (c4x_U_constraint, symbolic_address_operand): Likewise.
3002 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
3004 (c4x_r11_set_p, c4x_check_laj_p): New functions.
3005 * c4x-protos.h (c4x_check_laj_p): Add prototype.
3006 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
3007 anulling slot because of silicon bug.
3008 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
3010 2001-01-22 Alan Modra <alan@linuxcare.com.au>
3012 * cppexp.c (parse_charconst): Change `mask' type to agree
3015 2001-01-21 Richard Henderson <rth@redhat.com>
3017 * config/i386/i386.c (ix86_asm_file_end): Disable putting
3018 pic_label_name in a linkonce section.
3020 2001-01-17 Philipp Thomas <pthomas@suse.de>
3022 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
3024 * configure: Regenerate.
3026 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
3028 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
3029 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
3031 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
3033 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
3034 If REVERSE nonzero then condition code in X must be reversed.
3035 (encode_section_info): Optimise if/else.
3036 (avr_function_value): Fix formatting.
3038 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
3039 (difficult_branch): Likewise.
3040 (rvbranch): Likewise.
3041 (difficult_rvbranch): Likewise.
3043 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
3045 * config/avr/libgcc.S: Fix comment.
3047 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3049 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
3051 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3053 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
3055 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3057 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
3058 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
3059 * configure, config.in: Regenerate.
3060 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
3061 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
3062 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
3063 (doprint.o): New rule.
3065 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
3067 * c-typeck.c (digest_init): Handle boolean types as scalars.
3069 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3071 * stmt.c (expand_return): Don't return anything if size is zero.
3072 Delete redundant assignment to BYTES.
3073 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
3075 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
3077 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
3078 the same as the default library function names.
3079 * config/avr/avr.md: Document special characters after '%'.
3080 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
3081 knowing which of the call-used registers are really clobbered.
3082 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
3083 New. Both quotient and remainder from one libgcc.S call.
3084 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
3085 clobber as few registers as possible.
3086 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
3088 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
3090 * cppmacro.c (funlike_invocation_p): Don't move back up to the
3091 context of the top of the stack.
3093 2001-01-20 Jakub Jelinek <jakub@redhat.com>
3095 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
3096 (fixup_var_refs_insns): ...here.
3098 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
3100 * function.c (fixup_var_refs_insns): Break up into
3101 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
3102 [loop over entire insn list], and fixup_var_refs_insns_with_hash
3103 [loop over hash table entries].
3104 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
3105 fixup_var_refs_insns_with_hash, to match above changes.
3107 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
3109 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
3110 (libgcc.a): Likewise.
3111 (stmp-multilib): Likewise.
3112 (STAGE2_FLAGS_TO_PASS): Likewise.
3114 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
3116 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
3117 temporary if no_new_pseudos.
3119 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
3121 * cppinternals.texi: Update.
3123 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
3125 * arm.c (arm_init_builtins): Re-enable builtins.
3127 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3129 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
3130 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
3131 element to be null, and always expect an EXPR_LIST.
3132 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
3133 * sched-deps.c (sched_analyze_1): Likewise.
3134 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3136 * regclass.c (max_set_parallel): New variable.
3137 (reg_scan): Take it into account in computation of max_parallel.
3138 (reg_scan_mark_refs, case SET): Compute it.
3140 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
3142 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
3143 * function.c (assign_parms): Use INTVAL for a CONST_INT.
3145 2001-01-19 Jason Merrill <jason@redhat.com>
3147 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
3148 for the abstract instance of an inline function.
3150 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
3151 J"orn Rennecke <amylaar@redhat.com>
3153 * reload1.c (move2add_note_store): Treat all registers directly or
3154 indirectly derived from a base register as members of the same set
3156 (reload_cse_move2add): Adjust accordingly. Take mode and offset
3157 of base register into account.
3159 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
3161 * alias.c (find_base_value): Recognize TRUNCATE.
3162 (record_set): In PLUS case, invalidate if other summand is also a
3165 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3167 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
3168 entry to be EXPR_LIST.
3169 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
3170 be an EXPR_LIST (but not null, which other code doesn't allow).
3171 (note_stores): Properly handle PARALLEL in SET.
3172 Recursively call for top-level PARALLEL.
3173 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
3174 * sched-rgn.c (check_live_1, update_live_1): Likewise.
3176 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
3178 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
3180 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
3181 not pfile->skipping (== 0).
3183 2001-01-17 Nick Clifton <nickc@redhat.com>
3185 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
3188 2001-01-17 Jim Wilson <wilson@redhat.com>
3190 * invoke.texi (IA-64 options): Improve.
3192 2001-01-17 Tom Tromey <tromey@redhat.com>
3194 * invoke.texi (Optimize Options): Use `{}' to around @samp
3197 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
3199 * invoke.texi (-fno-guess-branch-probability): New option.
3201 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3203 * combine.c (try_combine): Don't set i3_subst_into_i2 for
3204 case of making new double-word constant.
3205 Revert last change: instead just test i3_subst_into_i2.
3207 2001-01-17 Jakub Jelinek <jakub@redhat.com>
3209 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
3210 Use q constraints instead of r.
3212 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
3214 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
3215 (machine_function): Define.
3216 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
3217 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
3218 pa_free_machine_status): New functions.
3219 (override_options): Set {init,mark,free}_machine_status to above.
3220 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3221 PIC_OFFSET_TABLE_REGNUM_SAVED.
3222 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
3223 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
3224 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
3225 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
3226 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
3228 2001-01-15 DJ Delorie <dj@redhat.com>
3230 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
3234 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3236 * flow.c (propagate_on_insn): Make trying to delete a prologue
3237 or epilogue insn an ICE, not a warning. Allow doing this if
3238 the current function returns with stack pointer depressed.
3240 * combine.c (try_combine): If i3_subst_into_i2, properly check for
3241 I3 having more than one SET.
3243 2001-01-16 Jim Wilson <wilson@redhat.com>
3245 * invoke.texi: Document IA-64 options.
3247 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
3248 (fixup_errata): Delete TARGET_A_STEP use.
3249 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
3250 (TARGET_SWITCHES): Delete -ma-step option.
3251 * config/ia64/ia64.md (all FP patterns): Delete %B0.
3252 (movqicc_astep, movqi_internal_astep, movhicc_astep,
3253 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
3254 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
3255 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
3256 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
3258 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
3259 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
3260 cmovsi_internal): Delete ! TARGET_A_STEP check.
3262 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3264 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
3265 possibility to report bugs via postal mail. Change a URL and
3266 merge in a nearly duplicate statement...
3267 (Bug Reporting): ...from here.
3268 (Service): Refer to the Bug Reporting section instead of
3270 (Contributing): Remove trivial explanations concerning snapshots.
3272 2001-01-16 Alan Modra <alan@linuxcare.com.au>
3274 * cppmain.c (general_init): Don't use ANSI prototype.
3276 2001-01-16 Tom Tromey <tromey@redhat.com>
3278 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
3280 2001-01-16 Richard Henderson <rth@redhat.com>
3282 * config/i386/i386.h: Fix comment typo.
3283 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
3284 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
3286 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3288 * gcc.c: Revert previous -fsyntax-only-related change; move
3291 2001-01-16 Jakub Jelinek <jakub@redhat.com>
3293 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
3294 inmode after checking GET_CODE (op).
3296 2001-01-16 Richard Henderson <rth@redhat.com>
3298 * flow.c (struct propagate_block_info): Add mem_set_list_len.
3299 (MAX_MEM_SET_LIST_LEN): New.
3300 (propagate_one_insn): Update mem_set_list_len.
3301 (invalidate_mems_from_autoinc): Likewise.
3302 (invalidate_mems_from_set): Likewise.
3303 (mark_used_regs): Likewise.
3304 (init_propagate_block_info): Likewise. Stop collecting memories
3305 when we reach MAX_MEM_SET_LIST_LEN.
3306 (mark_set_1): Likewise.
3308 2001-01-16 Richard Henderson <rth@redhat.com>
3310 * unroll.c (precondition_loop_p): Fail if no iteration
3313 2001-01-16 Phil Edwards <pme@sources.redhat.com>
3315 * gcc.c: When -fsyntax-only is given, do not complain about
3318 2001-01-15 Richard Henderson <rth@redhat.com>
3320 * config/i386/i386.c (asm_output_function_prefix): Remove.
3321 (ix86_asm_file_end): New.
3322 (load_pic_register): Generate pic_label_name into a
3323 staticly allocated buffer.
3324 * config/i386/i386-protos.h: Update.
3325 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
3326 (ASM_FILE_END): New.
3327 * config/i386/i386afe.h: New file.
3328 * config.gcc (i?86-*-elf) [tm_file]: Use it.
3329 (i?86-*-{freebsd,linux*,moss*}): Likewise.
3330 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
3331 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
3332 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
3333 * config/i386/sco5.h (ASM_FILE_END): Likewise.
3334 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
3336 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
3338 * Makefile.in (install-man): Remove explicit dependency on
3341 * configure.in, configure: Revert previous patch requiring perl
3344 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
3346 * toplev.c (flag_guess_branch_prob): New.
3347 (f_options): Add guess-branch-probability option.
3348 (rest_of_decl_compilation): Only estimate branch probability if
3350 (main): set flag_guess_branch_prob.
3352 * flags.h (flag_guess_branch_prob): New.
3354 2001-01-15 DJ Delorie <dj@redhat.com>
3356 * gcc.texi (Makefile): Add documentation for Makefile targets.
3358 2001-01-15 Philip Blundell <philb@gnu.org>
3360 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
3362 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
3363 (is_pic): Delete declaration.
3364 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
3365 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
3366 * config/arm/arm.md (builtin_setjmp_receiver): New.
3368 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3370 * arm.c (use_return_insn): Don't try to determine the function type
3371 until after reload has completed.
3372 (arm_output_epilogue): Don't adjust the sp value recovered from the
3374 (emit_multi_reg_push): Don't record dwarf information for the pc.
3375 * arm.md (eh_epilogue): The function type may have changed, so it
3376 needs to be recalculated.
3377 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
3378 unwind tables on arm/netbsd.
3380 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3382 * arm.md (cbranchsi4): Correct calculation of branch ranges.
3383 (negated_cbranchsi4): Likewise.
3385 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
3387 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
3388 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3389 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
3390 pass -mapcs-* options to assembler.
3391 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
3392 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
3393 (ASM_SPEC): Call subtarget_extra_asm_spec.
3395 2001-01-15 Andreas Jaeger <aj@suse.de>
3397 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
3399 (ix86_expand_builtin): Likewise.
3401 * gencodes.c (output_predicate_decls): Make i size_t to avoid
3402 warning about comparison between signed and unsigned.
3404 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3406 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
3408 2001-01-14 Ralf Baechle <ralf@gnu.org>
3410 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
3411 SUBTARGET_CPP_SPEC apropriatly.
3413 2001-01-12 Mark Mitchell <mark@codesourcery.com>
3415 * varasm.c (make_decl_rtl): Fix typo in last change.
3417 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
3419 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
3420 linker supports the init_priority C++ attribute.
3421 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
3422 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
3423 linker does not support init_priority C++ attribute.
3425 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
3427 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
3429 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3431 * c-parse.in (finish_parse): Add comment about cpp_destroy.
3432 * cp/lex.c (finish_parse): Similarly.
3433 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
3434 Return the number of errors encountered.
3435 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
3436 * cppmain.c (main): Don't call cpp_destroy.
3438 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
3440 * configure.in: Require at least perl 5.6.0 to regenerate
3442 * configure: Regenerate.
3444 2001-01-14 Richard Henderson <rth@redhat.com>
3446 * genrecog.c (DT_veclen_ge): New.
3447 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
3448 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
3449 (nodes_identical_1): Handle DT_veclen_ge.
3450 (write_cond, debug_decision_2): Likewise.
3452 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3454 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
3456 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
3458 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
3460 * cppmain.c (do_preprocessing): New function; most of the old
3462 (main): Call it to do most of the work.
3463 (cb): Move from global scope to set_callbacks ().
3464 (setup_callbacks): Get the callback pointer.
3465 (general_init, printer_init): Clean up code and comments.
3467 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
3469 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
3472 2001-01-14 Kazu Hirata <kazu@hxi.com>
3474 * config/h8300/h8300.c (get_shift_alg): Update comments.
3476 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3478 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
3479 (alloc_page, ggc_alloc): Add casts to remove warnings.
3481 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
3483 * combine.c (simplify_comparison): Don't change `code' when
3484 can't reverse comparison.
3486 2001-01-14 Richard Henderson <rth@redhat.com>
3488 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
3489 update all call sites. Return true for all non-label constants.
3491 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
3493 * i386.c (ix86_expand_compare): Add bypass_test and second_test
3495 (ix86_expand_branch): Update.
3496 (ix86_expand_setcc): Update to handle multiple test conditions.
3497 (expand_int_movcc): Likewise.
3498 (expand_fp_movcc): Likewise.
3499 * i386-protos.h (ix86_expand_compare): New.
3500 * i386.md (andqi_?_slp, orqi_?_slp): New.
3501 (conditional trap expander): Update call to ix86_expand_compare.
3503 2001-01-14 Richard Henderson <rth@redhat.com>
3505 * config/vax/vax.md: Use nonimmediate_operand instead of
3506 general_operand in destinations.
3508 * config/vax/vax.md (indirect_jump): Use register_operand.
3510 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
3511 * config/vax/vax.md (call_pop): Turn into an expander.
3512 (call_value_pop): Likewise.
3513 (call, call_value): New.
3515 2001-01-14 Andreas Jaeger <aj@suse.de>
3517 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
3519 (ix86_fp_compare_mode): Add unused attribute.
3520 (ix86_expand_fp_movcc): Remove unused variable.
3521 (ix86_expand_builtin): Make fcode unsigned.
3523 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
3524 (expand_expr): Add cast to avoid signed warning.
3525 (store_field): Likewise.
3526 (store_constructor_field): Likewise.
3527 (store_constructor): Likewise.
3528 (store_expr): Likewise.
3529 (clear_storage): Likewise.
3530 (emit_group_store): Likewise.
3531 (emit_group_load): Likewise.
3533 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3535 * c-common.c: Move format checking code to ...
3536 * c-format.c: ... here. New file. Reorder some functions and
3538 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
3540 * c-common.h (decl_handle_format_attribute,
3541 decl_handle_format_arg_attribute): Declare.
3542 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
3543 (c-common.o): Adjust dependencies.
3544 (c-format.o): New list of dependencies.
3546 2001-01-13 Jakub Jelinek <jakub@redhat.com>
3548 * unroll.c (loop_iterations): If we cannot prove iteration variable
3549 is set once in each iteration, punt.
3551 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
3553 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
3554 (*strlenhi): Remove clobber (which was buggy) of output address.
3556 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3558 * Makefile.in (generated-manpages): Add gcc.1
3559 ($(srcdir)/gcc.1): New target.
3560 (maintainer-clean): Delete $(srcdir)/gcc.1.
3561 * gcc.texi: Add macros @gccoptlist and @gol.
3562 * invoke.texi: Include option summary in manpage. Mark up option
3563 summary with @gccoptlist and @gol. Use @r in one place where
3565 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
3566 * gcc.1: Generate from invoke.texi.
3568 2001-01-13 Richard Henderson <rth@redhat.com>
3570 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
3571 (struct page_entry): Add group member.
3572 (struct page_group): New.
3573 (struct globals): Add page_groups member.
3574 (alloc_anon): Only define for using mmap; remove valloc call.
3575 (page_group_index): New.
3576 (set_page_group_in_use): New.
3577 (clear_page_group_in_use): New.
3578 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
3579 (free_page, release_pages): Likewise.
3580 * configure.in (with-gc): Default to ggc-page always.
3582 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3584 * reload1.c (replace_pseudos_in_call_usage): Use
3585 reg_equiv_constant and reg_equiv_address, and don't try
3586 regno_reg_rtx first.
3588 2001-01-13 Richard Henderson <rth@redhat.com>
3590 * ggc-page.c (alloc_page): Round up allocation size to one page.
3591 Set e->order on extra pages.
3593 2001-01-13 Richard Henderson <rth@redhat.com>
3595 * genrecog.c (nodes_identical): Expand commentary.
3596 (write_switch): Watch out for identical nodes.
3598 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3600 * cppfiles.c (_cpp_fake_include): New function.
3601 * cpphash.h (_cpp_fake_include): New.
3602 * cpplib.c (do_line): Call _cpp_fake_include when entering
3603 header files in preprocessed input.
3604 * cppmain.c (cb_pragma_implementation): Remove handling.
3605 (setup_callbacks): Don't register pragmas.
3607 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3609 * extend.texi: Udate for CPP.
3611 2001-01-13 Andreas Jaeger <aj@suse.de>
3613 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
3615 * regmove.c: Add prototype for replace_in_call_usage.
3617 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3619 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
3620 struct cpp_chunk, struct htab, struct toklist,
3621 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
3622 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
3623 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
3624 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
3625 (struct macro_args): Delete.
3626 * cpphash.h: See above.
3628 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3630 * cppmain.c (struct printer): Remove no_line_dirs.
3632 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
3633 : Use options rather than CPP_OPTION.
3634 (setup_callbacks): Use cb rather than pfile->cb.
3635 (main): No need to check for a buffer. Use cpp_errors.
3636 (printer_init): Don't set no_line_dirs.
3637 (maybe_print_line): Use options not no_line_dirs.
3638 (cb_file_change): Don't call print_line if -P.
3640 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3642 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
3644 * c-parse.in (finish_parse): Use cpp_errors.
3645 (__yylex): Use return value of cpp_pop_buffer.
3646 * cp/lex.c (finish_parse): Use cpp_errors.
3647 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
3649 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
3651 * README.AVR: URLs corrected.
3653 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3655 * c-decl.c (start_function): Don't warn if old prototype is builtin
3656 that's not in C's namespace.
3657 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
3658 (_bb): Add prototype for ctime.
3659 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
3661 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
3663 * i386.c (ix86_fp_comparison_arithmetics_cost,
3664 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
3665 ix86_fp_comparison_cost): New functions.
3666 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
3667 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
3668 two-branch sequences; make static.
3669 (ix86_use_fcomi_compare): Do decision according to the costs.
3670 (split_fp_branch): New.
3671 * i386.md (compare-and-branch patterns): Use split_fp_branch.
3672 * i386-protos.h (ix86_expand_fp_compare): Remove
3673 (ix86_split_fp_branch): Declare.
3675 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
3676 and ix86_comparison_operator.
3678 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
3681 * i386.c (put_condition_code): Output properly the unordered/ordered
3682 compares in fp case.
3683 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
3685 * tm.texi (REVERSE_CONDITION): Document.
3686 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
3687 in -ffast-math mode.
3688 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
3690 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
3692 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
3694 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
3697 * config/sh/sh.c (mova_p): Fix test for mova_const.
3699 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3701 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
3702 cpp_get_options rather than dereferencing pfile and using
3704 * scan-decls.c (scan_decls): Use return value of
3705 cpp_pop_buffer rather than CPP_BUFFER.
3707 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
3709 * cppinit.c (cpp_handle_option): help_only is now part of the
3710 cpp_options structure.
3711 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
3712 cpp_set_callbacks): New functions.
3713 * cpplib.h (cpp_callbacks): Break out as a named structure.
3714 (cpp_options): Move help_only here from cpp_reader.
3715 (CPP_FATAL_ERRORS): Update to use cpp_errors.
3716 (cpp_errors, cpp_get_options, cpp_get_callbacks,
3717 cpp_set_callbacks): New prototypes.
3718 * cppmain.c (main): Update for help_only.
3720 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
3722 * Makefile.in (info, maintainer-clean, install-info, uninstall):
3723 Also build and remove and install and uninstall c-tree.info and
3725 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
3726 ($(srcdir)/cppinternals.info): New target.
3727 * c-tree.texi: Change file name used when makeinfo used without -o
3728 from ir.info to c-tree.info. Add info directory entry.
3729 * cppinternals.texi: Add info directory entry.
3730 * .cvsignore: Update.
3732 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3734 * c-typeck.c (store_init_value): Don't require constant initializer
3735 elements with -pedantic -std=c99.
3736 (digest_init): Change error about non-constant initializer elements
3738 (constructor_range_end): Remove.
3739 (constructor_incremental, designator_depth,
3740 designator_errorneous): New variables.
3741 (struct constructor_stack): Remove range_end, add incremental.
3742 (struct constructor_range_stack, constructor_range_stack): New.
3743 (struct initializer_stack): Add constructor_range_stack.
3744 (finish_init): Set it.
3745 (start_init): Likewise. require_constant_elements for non-static
3746 trees only if not flag_isoc99.
3747 (really_start_incremental_init): Remove constructor_range_end, add
3748 constructor_incremental.
3749 (pop_init_level): Likewise.
3750 (push_init_level): Likewise. If implicit and the subobject had some
3751 value set already, preinitialize the level with it.
3752 Warn about missing braces only if not pushing due to designators.
3753 (set_designator, push_range_stack): New functions.
3754 (set_init_label): Use them.
3755 (set_init_index): Likewise. Remove constructor_range_end.
3756 Error if designator index is outside of array bounds.
3757 (add_pending_init): Compare values of purpose index trees, not the
3758 trees themselves. Allow overwriting of already initialized element.
3759 Issue a warning if it had side-effects.
3760 (set_nonincremental_init, set_nonincremental_init_from_string): New
3762 (pending_init_member): Rename to...
3763 (find_init_member): ...this function. Call set_nonincremental_init
3764 if necessary. Compare values of purpose index trees, not the trees
3765 themselves. Return the actual value, not just non-zero if something
3767 (output_init_element): Remove checks for duplicates.
3768 If field has zero size, only check the initializer for correctness.
3769 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
3770 if constructor_incremental is zero. Change error about initializers
3771 not computable at load time into pedwarn.
3772 (output_pending_init_elements): Compare bit positions, not
3773 FIELD_DECLs to take into account zero-sized fields.
3774 (process_init_element): Use constructor_range_stack to fill all
3775 ranges in the designator lists from current level up.
3776 * extend.texi: Update documentation for labeled elements.
3778 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
3780 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
3781 to function usage for arguments passed by reference. Optimize
3782 callee-copied arguments.
3783 * regmove.c (replace_in_call_usage): New function.
3784 (fixup_match_1): Call it.
3785 * cse.c (cse_insn): Canonicalize registers in function usage.
3786 * reload1.c (replace_pseudos_in_call_usage): New function.
3789 * Makefile.in: Reverted yesterday's wrong patch. Installed the
3792 2001-01-12 Jakub Jelinek <jakub@redhat.com>
3794 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
3797 2001-01-12 DJ Delorie <dj@redhat.com>
3799 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
3800 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
3803 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3805 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
3806 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
3807 -std options alongside references to -ansi. Update some
3808 documentation for C99.
3809 * cpp.1: Regenerate.
3811 2001-01-12 Andreas Jaeger <aj@suse.de>
3813 * haifa-sched.c (restore_line_notes): Remove argument block B
3815 * sched-ebb.c (schedule_ebb): Change caller.
3816 * sched-rgn.c (schedule_region): Likewise.
3817 * sched-int.h (restore_line_notes): Adjust prototype.
3819 * loop.h: Remove wrong declaration of doloop_condition_get.
3821 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3823 * extend.texi: Move C++-extension-related node from the C section
3824 into the C++ section.
3826 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
3828 * extend.texi: Refer to an array of pointers to functions instead
3829 of one of functions.
3831 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
3832 Jan Hubicka <jh@suse.cz>
3834 * combine.c (reversed_comparison): Fix typo in last patch.
3836 (combine_reversed_comparison_code): Make static to follow
3837 prototype declaration.
3839 2001-01-12 Phil Edwards <pme@sources.redhat.com>
3841 * install.texi: Remove misplaced duplicate entry.
3843 2001-01-11 Ulrich Drepper <drepper@redhat.com>
3845 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
3847 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
3849 * final.c: (leaf_function_p): Fix typo.
3851 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
3853 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
3854 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
3856 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
3857 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
3858 mmap_anon, and valloc is available.
3859 * ggc-page.c: Restructure ifdef logic to match new autoconf
3860 spec. Don't throw away the test page in init_ggc.
3862 * configure, config.in: Regenerate.
3864 2001-01-12 Michael Hayes <mhayes@redhat.com>
3866 * loop.h (total_biv_increment): Constify iv_class pointer.
3867 (struct induction): Replace `mem_mode' with `mem' rtx.
3868 * unroll.c (total_biv_increment): Constify iv_class pointer.
3869 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
3870 (find_mem_givs, combine_givs_p): Likewise.
3871 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
3873 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
3875 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
3877 (__gthread_getspecific): Ditto.
3879 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
3881 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
3882 put_condition_code): Convert fp comparison codes to integer
3884 (ix86_expand_fp_compare): Postnote the fp comparison code converison
3887 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
3888 * i386-protos.h (no_comparison_operator): Kill.
3890 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
3892 * combine.c (REVERSIBLE_CC_MODE): Remove.
3893 (reversible_comparison_p): Remove.
3894 (combine_reversed_comparison_code): New.
3895 (reversed_comparison): New.
3896 (combine_simplify_rtx): Use
3897 combine_reversed_comparison_code/reversed_comparison instead
3898 of reversible_comparison_p.
3899 (simplify_if_then_else): Likewise.
3900 (simplify_set): Likewise.
3901 (simplify_logical): Likewise.
3902 (if_then_else_cond): Likewise.
3903 (known_cond): Likewise.
3904 (simplify_comparison): Likewise.
3906 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
3908 * builtins.c (std_expand_builtin_va_start): Handle varargs when
3909 sizeof (int) is larger than sizeof(__word__).
3911 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3913 * cppinit.c (do_includes): Fix typo.
3915 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3917 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
3918 in S_REGS does not occur because not all sources are possible
3919 when a S_REGS is a destination (sometimes needs a clobber).
3920 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
3921 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
3922 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
3923 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
3924 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
3925 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
3926 (lshrdi_const1, lshrsi3_const16): Likewise.
3927 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
3928 (*movhi_68hc12, *movqi_68hc12): Likewise.
3929 (movstrictqi): Make sure reloading in D_REGS as a destination
3932 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3934 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
3936 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3938 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
3939 -D, -U and -A, and don't initialize the builtins.
3940 (do_includes): Error if -include or -imacros with -fpreprocessed.
3941 * cppmain.c (cb_define, cb_undef): Unconditionally process
3943 * tradcpp.c (main): Fix typo.
3945 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
3947 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
3948 (read_name_map): Use IS_ABSOLUTE_PATH.
3949 * tradcpp.c (get_filename): Likewise.
3951 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
3953 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
3954 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
3955 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
3956 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
3957 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
3958 (cmphi_z_used): Don't use '@' for the output.
3959 (tstqi_z_used): Likewise.
3960 (cmpqi_z_used): Likewise.
3961 (one_cmplsi2): Likewise.
3963 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3965 * config/sh/sh.c (barrier_align): Recognize branch around far
3966 branch and redundant insn.
3968 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
3970 * invoke.texi: Restore documentation of the drivers' switches -MD
3973 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
3975 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
3977 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
3978 check-objc//%): Support parallel testing of multilibs.
3979 (TESTSUITEDIR): Set to testsuite by default, but override for
3981 (check-gcc, check-g++, check-g77, check-objc): Enter
3984 2001-01-11 Bernd Schmidt <bernds@redhat.com>
3986 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
3987 * sched-deps.c (deps_may_trap_p): Likewise.
3988 * basic-block.h: Remove a comment.
3989 * flow.c (PROP_POSTRELOAD): Remove.
3990 (update_life_info): Don't add it to prop_flags.
3991 (mark_set_1): Lose the code that was enabled by it.
3993 2001-01-11 Michael Hayes <mhayes@redhat.com>
3995 * flow.c (flow_call_edges_add): New.
3996 * basic_block.h (flow_call_edges_add): New.
3998 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
4000 * reload1.c (move2add_note_store): Update reg_set_luid even if
4001 base reg remains the same.
4003 2001-01-10 Nick Clifton <nickc@redhat.com>
4005 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
4006 machine_function structure to zero.
4007 Add prototypes for machine_status functions.
4009 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4011 * c-common.h (CTI_VOID_LIST): Remove.
4012 (void_list_node): Likewise.
4013 * tree.h (TI_VOID_LIST_NODE): New enumeral.
4014 (void_list_node): New macro.
4015 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
4016 * config/i386/i386.c (ix86_init_builtins): Likewise.
4017 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
4019 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4021 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
4022 * cppinit.c (cpp_start_read): Update comment, remove unneeded
4024 * tradcpp.c: Include mkdeps.h.
4025 (deps, print_deps_phony_targets, deps_append, output_deps,
4026 init_dependency_output, output_deps): New.
4027 (deps_buffer, deps_allocated_size, deps_size, deps_column,
4028 deps_output): Delete.
4029 (print_deps_missing_files): Rename deps_missing_files.
4030 (inhibit_output): Make global.
4031 (main): Delete inhibit_output, deps_stream, deps_target.
4032 Use mkdeps functionality in the same way as cpplib. Remove
4033 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
4034 -M and -MM. Remove old handling of deps via deps_out, and
4035 old reading of environment variables.
4036 (get_filename): Update to use deps_add_dep.
4038 2001-01-10 Mark Mitchell <mark@codesourcery.com>
4040 * output.h (make_function_rtl): Remove prototype.
4041 (make_decl_rtl): Likewise.
4042 * varasm.c (make_function_rtl): Remove.
4043 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
4044 than from a third parameter.
4045 * tree.h (make_decl_rtl): Remove last parameter.
4046 * c-decl.c (builtin_function): Remove last argument in call to
4047 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
4048 (start_function): Likewise.
4049 * except.c (call_get_eh_context): Likewise.
4050 * expr.c (emit_block_move): Likewise.
4051 (clear_storage): Likewise.
4052 * profile.c (output_func_start_profiler): Likewise.
4053 * toplev.c (rest_of_decl_compilation): Likewise.
4054 * objc/objc-act.c (create_builtin_decl): Likewise.
4055 (synth_module_prologue): Likewise.
4056 (generate_static_reference): Likewise.
4057 (build_selector_reference_decl): Likewise.
4058 (build_class_reference_decl): Likewise.
4059 (build_objc_string_decl): Likewise.
4060 (build_protocol_reference): Likewise.
4062 2001-01-10 Richard Henderson <rth@redhat.com>
4064 * hwint.h: Revert yesterday's change.
4066 2001-01-10 Nick Clifton <nickc@redhat.com>
4068 * function.h (save_machine_status): Delete.
4069 (restore_machine_status): Delete.
4070 Amend comment describing {init|mark|free}_machine_status.
4072 * function.c (save_machine_status): Delete.
4073 (restore_machine_status): Delete.
4074 Amend comment describing {init|mark|free}_machine_status.
4075 (push_function_context_to): Remove invocation of
4076 save_machine_status.
4077 (pop_function_context_from): Remove invocation of
4078 restore_machine_status.
4080 * emit-rtl.c (init_emit_once): Amend comment describing
4081 {init|mark|free}_machine_status.
4083 * tm.texi (Per-Function Data): New node. Describe the
4084 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
4087 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4089 * cppinit.c (OPT_g): Remove.
4090 (cpp_handle_option): Update for removed -g3.
4091 (print_help): Update.
4092 * cpplib.h (struct cpp_options): Remove debug_output.
4093 * cppmain.c (setup_callbacks, cb_define): Update.
4094 * gcc.c (cpp_options): Translate -g3 to -dD.
4096 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
4098 * config/i960/i960.md: Change modifier to + on the zero_extract
4099 pattern after the (rotate -2 reg) canonicalization pattern.
4101 2001-01-10 Richard Henderson <rth@redhat.com>
4103 * config/alpha/alpha.c (alpha_free_machine_status): New.
4104 (override_options): Install it.
4105 (alpha_mark_machine_status): Verify machine non-null.
4106 * config/i386/i386.c (ix86_free_machine_status): New.
4107 (override_options): Install it.
4108 (ix86_init_machine_status): Use xcalloc.
4109 (ix86_mark_machine_status): Verify machine non-null.
4110 * config/ia64/ia64.c (ia64_free_machine_status): New.
4111 (ia64_override_options): Install it.
4112 (ia64_mark_machine_status): Verify machine non-null.
4114 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
4116 * function.c (instantiate_virtual_regs): Instantiate virtual
4117 registers found in CALL_INSN_FUNCTION_USAGE.
4119 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4121 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
4122 equivalent to -ansi in disabling -Di386.
4124 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
4126 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
4128 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
4130 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
4132 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
4134 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4136 * invoke.texi: Document that -fcond-mismatch isn't supported for
4139 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
4141 * gcc.texi: Define macro gcctabopt.
4142 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
4143 @command, @env and @option in some places where appropriate. Use
4144 @gcctabopt where appropriate. Put URLs and email addresses inside
4147 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
4149 * gcc.c (cpp_options): Set MD file name from output
4150 filename, if specified.
4151 (suffix_subst): New static variable.
4152 (do_spec): Clear it.
4153 (do_spec_1, case '.'): Handle new `%.suffix' spec.
4155 (give_switch): Handle suffix_subst.
4157 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4159 * invoke.texi: Fix another typo.
4161 2001-01-10 Phil Edwards <pme@sources.redhat.com>
4163 * invoke.texi: Fix typo.
4165 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
4167 * c-lang.c (lang_hooks): Update.
4168 (lang_decode_option): Remove.
4169 (lang_init_options): Rename c_init_options.
4170 * toplev.c (main): Use lang_hooks for lang_init_options
4171 and lang_decode_option.
4172 * toplev.h (lang_hooks): Add 2 new hooks.
4173 * tree.h: Remove lang_init_options and lang_decode_option.
4174 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
4175 * cp/decl2.c: Similarly.
4176 * cp/lex.c (lang_init_options): Rename cxx_init_options.
4177 (lang_hooks): Update.
4178 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
4180 (lang_init_options): Rename ffe_init_options.
4181 (lang_hooks): Update.
4182 (lang_decode_option): Remove.
4183 * java/lang.c (lang_init_options): Rename java_init_options.
4184 (lang_decode_option): Rename java_decode_option.
4185 (lang_hooks): Update.
4186 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
4187 (lang_decode_option): Rename objc_decode_option.
4188 (lang_hooks): Update.
4190 2001-01-09 Nick Clifton <nickc@redhat.com>
4192 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
4193 (d30v_return_addr_rtx): Delete.
4194 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
4195 cfun->machine structure.
4196 (struct machine_function): Move to d30v.h
4197 (d30v_save_machine_status): Delete.
4198 (d30v_restore_machine_status): Delete.
4199 (d30v_init_machine_status): New Function.
4200 (d30v_mark_machine_status): New Function.
4201 (d30v_free_machine_status): New Function.
4202 (d30v_init_expanders): Use new functions.
4203 (d30v_return_addr): Use ra_rtx field in cfun->machine.
4204 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
4205 d30v_return_addr_rtx.
4207 * config/d30v/d30v.h (struct_machine): Move here.
4208 Add eh_epilogue_sp_ofs field.
4210 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
4211 field in cfun->machine structure.
4213 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
4215 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
4216 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
4217 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4219 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
4221 * objc/lang-options.h: Remove bogus reference to
4224 2001-01-09 Kazu Hirata <kazu@hxi.com>
4226 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
4229 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
4231 * reload.c (find_reloads_address): Check for eliminable registers
4232 when substituting a constant expression for a pseudo.
4234 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
4236 * c-common.c (enum format_type): Add format_type_error.
4237 (decode_format_type): New function.
4238 (decl_attributes): Use it.
4239 (format_kind_info): Adjust comment.
4241 2001-01-09 David O'Brien <obrien@BSDi.com>
4243 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
4244 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
4246 * config/i386/gnu.h: Don't include required platform specific .h files,
4247 tm.h will do it instead.
4248 * config/i386/i386elf.h: Likewise.
4249 * config/i386/linux.h: Likewise.
4250 * config/i386/moss.h: Likewise.
4251 * config/mips/gnu.h: Likewise.
4253 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4255 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
4256 (rs6000-ibm-aix3.[01]*): Likewise.
4257 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
4258 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
4259 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
4260 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
4261 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
4262 (powerpc-*-eabiaix*): Likewise.
4263 (powerpc-*-eabisim*): Likewise.
4264 (powerpc-*-elf*): Likewise.
4265 (powerpc-*-eabi*): Likewise.
4266 (powerpc-*-rtems*): Likewise.
4267 (powerpc-*-linux*libc1): Likewise.
4268 (powerpc-*-linux*): Likewise.
4269 (powerpc-wrs-vxworks*): Likewise.
4270 (powerpcle-wrs-vxworks*): Likewise.
4271 (powerpcle-*-sysv*): Likewise.
4272 (powerpcle-*-elf*): Likewise.
4273 (powerpcle-*-eabisim*): Likewise.
4274 (powerpcle-*-eabi*): Likewise.
4275 (powerpcle-*-solaris2*): Likewise.
4276 * config/rs6000/aix31.h: Delete includes.
4277 * config/rs6000/aix3newas.h: Likewise.
4278 * config/rs6000/aix41.h: Likewise.
4279 * config/rs6000/aix43.h: Likewise.
4280 * config/rs6000/beos.h: Likewise.
4281 * config/rs6000/rtems.h: Likewise.
4282 * config/rs6000/sysv4.h: Likewise.
4284 2001-01-09 Kazu Hirata <kazu@hxi.com>
4286 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
4287 Change an argument mode of machine_mode to shift_mode of
4288 shift_mode. Remove an extra error check.
4289 (emit_a_shift): Adopt to the new calling prototype of
4291 (function_prologue): Fix code for a monitor
4292 function. Support H8/S.
4293 (function_epilogue): Do not output pop for a monitor function.
4295 2001-01-09 Nick Clifton <nickc@redhat.com>
4297 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
4298 (setup_incoming_varargs): Use sysv_varargs_p field of the
4299 cfun->machine structure.
4300 (struct machine_function): Move to rs6000.h
4301 (rs6000_save_machine_status): Delete.
4302 (rs6000_restore_machine_status): Delete.
4303 (rs6000_init_machine_status): New Function.
4304 (rs6000_free_machine_status): New Function.
4305 (rs6000_init_expanders): Use new functions.
4307 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
4309 (struct machine_function): Move here.
4311 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
4312 sysv_varargs_p field of the cfun->machine structure.
4314 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
4316 (rs6000_restore_machine_status): Remove prototype.
4318 2001-01-09 Richard Henderson <rth@redhat.com>
4320 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
4321 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
4322 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
4323 (sched_analyze_2, sched_analyze_insn): Likewise.
4324 (sched_analyze, init_deps): Likewise.
4325 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
4326 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
4327 (compute_block_backward_dependences): Update propagate_deps call.
4329 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
4331 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
4333 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4335 * cppinit.c (OPT_MD, OPT_MMD): Restore.
4336 (cpp_handle_option): Handle them.
4337 (cpp_post_options): Ensure one of -M or -MM is specified with
4338 any other -M? option.
4339 (init_dependency_output): Suppress output with -MG.
4341 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4344 * invoke.texi: Update.
4346 2001-01-09 Bernd Schmidt <bernds@redhat.com>
4348 * sh.md (reload_outsf): Generate recognizable patterns for
4351 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
4353 * c-lang.c (lang_hooks): Update.
4354 (lang_init): Rename c_init.
4355 (lang_finish): Remove.
4356 * toplev.c (compile_file): Use lang_hooks for lang_init ()
4358 * toplev.h (lang_hooks): Add init () and finish ().
4359 * tree.h (lang_init, lang_finish): Remove.
4360 * cp/tree.h (lang_init, lang_finish): Remove.
4361 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
4362 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
4364 (lang_init, lang_finish): Remove.
4365 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
4366 (lang_hooks): Update.
4367 * java/lang.c (lang_init): Rename java_init.
4368 (lang_finish): Remove.
4369 (lang_hooks): Update.
4370 * objc/objc-act.c (lang_init): Rename objc_init.
4371 (lang_finish): Remove.
4372 (lang_hoooks): Update.
4374 20001-01-09 Graham Stott <grahams@redhat.com>
4376 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
4377 after `ptr` is initialised.
4379 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4381 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
4382 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
4383 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
4384 stack adjusts, instead of r3.
4386 2001-01-09 Michael Hayes <mhayes@redhat.com>
4388 * flow.c (flow_loop_scan): Break out of ...
4389 (flow_loops_find) ... here.
4390 * basic-block.h (flow_loop_scan): New.
4391 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
4392 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
4394 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
4396 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
4398 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
4399 realloc()ing macro_buffer.
4401 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
4402 if it's wider than long and the target's long is wider than the
4405 2001-01-09 Mark Mitchell <mark@codesourcery.com>
4407 Remove support for using UWIN as a host machine.
4408 * configure.in: Issue an error message.
4409 * configure: Regenerated.
4410 * config.gcc: Remove xm_* UWIN configury.
4411 * config/i386/xm-uwin.h: Remove.
4413 2001-01-08 Nick Clifton <nickc@redhat.com>
4415 * config/v850/v850.c (ra_rtx): Delete.
4416 (v850_save_machine_status): Delete.
4417 (v850_restore_machine_status): Delete.
4418 (v850_init_machine_status): New function.
4419 (v850_mark_machine_status): New function.
4420 (v850_free_machine_status): New function.
4421 (v850_return_addr): Use ra_rtx field in machine structure.
4422 (v850_init_expanders): Use new functions.
4424 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
4425 * config/v850/v850.c: Change arguments to v850_output+* functions
4426 to take a const char *, to avoid compile time warning.
4427 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
4428 (USER_LABEL_PREFIX): Redefine.
4430 2000-01-08 Jim Wilson <wilson@redhat.com>
4432 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
4433 1 to unsigned HOST_WIDE_INT before left shift.
4435 2001-01-08 Nick Clifton <nickc@redhat.com>
4437 * config/arm/arm.c (arm_mark_machine_status): Check to see if
4438 the machine structure has been allocated.
4439 (arm_free_machine_status): New function: Free the machine
4440 specific function structure.
4442 2001-01-08 Richard Henderson <rth@redhat.com>
4444 * jump.c (simplejump_p): Revert last change.
4446 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
4448 * cppinit.c (init): Rename init_library.
4449 (cpp_create_reader): Update.
4450 * gcc.c (cpp_options): If -o given, use it as the target of
4453 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4455 * arm.c (arm_arch5e): New variable.
4456 (all_cores): XScale is a 5TE device.
4457 (arm_override_options): Set arm_arch5e.
4458 (arm_init_builtins): __builtin_prefetch is in arch5e.
4459 * arm.h (arm_arch5e): Declare it.
4461 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
4463 * arm.md (define_constants): Add defines for UNSPEC and
4464 UNSPEC_VOLATILE insns. Update all users.
4465 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
4466 * arm.c (multi_register_push, note_invalid_constants)
4467 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
4468 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
4469 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
4471 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
4473 * jump.c (jump_optimize_1): Use reversed_comparison_code
4474 instead of can_reverse_comparison_p.
4475 (jump_back_p): Likewise.
4476 (invert_exp_1): Likewise.
4477 (thread_jumps): Likewise.
4478 * simplify-rtx.c (simplify_unary_operation): Likewise.
4479 (simplify_ternary_operation): Likewise.
4480 * cse.c (find_comparison_args): Convert to use
4481 can_reverse_comparison_p.
4482 (record_jump_equiv): Likewise.
4484 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
4486 * arm.h (HARD_REGNO_RENAME_OK): Delete.
4487 (EPILOGUE_USES): Define.
4488 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
4489 automatically stack the LR if it isn't live.
4491 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
4493 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
4496 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
4498 * ggc-page.c (max_alignment): New structure.
4499 (MAX_ALIGNMENT): New macro.
4500 (init_ggc): Use it to round up the sizes in the
4501 extra_order_size_table.
4503 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4505 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
4508 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
4510 * builtins.def (BUILT_IN_FPRINTF): New entry.
4512 * c-common.c (c_expand_builtin_fprintf): New function.
4513 (init_function_format_info): Handle __builtin_fprintf.
4514 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
4515 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
4517 * c-decl.c (duplicate_decls): Adjust comment.
4519 * extend.texi (fprintf): Document new builtin.
4521 2001-01-07 Richard Henderson <rth@redhat.com>
4523 * jump.c (simplejump_p): Recognize any single_set jump
4526 2001-01-07 Richard Henderson <rth@redhat.com>
4528 * configure.in (slibdir): Accept an --with-slibdir option.
4529 Use "test" not "[" in configure. Default to $(libdir).
4531 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
4533 * config/t-aix43 (SHLIB_INSTALL): Likewise.
4534 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
4535 (SHLIB_LINK): Create links for the soname.
4536 * config/mips/t-iris6: Likewise.
4537 * config/sparc/t-slibgcc: Likewise.
4538 * config/sparc/t-slibgcc-sld: Likewise.
4540 2001-01-07 Jakub Jelinek <jakub@redhat.com>
4542 * config/i386/i386.c (constant_call_address_operand): Accept
4543 (const (plus (symbol_ref) (const_int))).
4544 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
4545 constant_call_address_operand.
4547 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4549 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
4550 and LONG_LONG_TYPE_SIZE > 32.
4552 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4554 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
4555 the previous change.
4557 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
4559 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
4561 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
4562 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
4563 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
4566 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4568 * fix-header.c (read_scan_file): s/pfile/scan_in/.
4570 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4572 * c-lang.c (c_post_options): Call cpp_post_options.
4573 * objc/objc-act.c (objc_post_options): Similarly.
4574 * cppmain.c (main): Similarly.
4575 * fix-header.c (read_scan_file): Similarly.
4576 * cppinit.c (cpp_start_read): Move option consistency checks
4577 to cpp_post_options. Don't call init_dependency_output.
4578 If needed, add default target and main file dependency.
4579 (OPT_MD, OPT_MMD): Remove.
4581 (cpp_handle_option): Update for OPT_* changes.
4582 (cpp_post_options): New.
4583 (init_dependency_output): Command line -MF overrides environment
4584 variables. Don't set default target etc. Suppress output
4585 if dependencies are going to stdout.
4586 (print_help): Update.
4587 * cpplib.h (cpp_post_options): New.
4588 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
4590 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
4592 * jump.c (comparison_dominates_p): Support unordered compares.
4594 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
4596 * simplify-rtx.c (simplify_relational_operation): Always simplify
4597 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
4600 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
4602 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
4603 (nonzero_bits): Likewise.
4604 (simplify_comparison): Likewise.
4605 (num_sign_bit_copies): Likewise; return more sane value depending
4606 on STORE_FLAG_VALUE.
4607 (known_cond): Do not assume EQ to be always true for equivalent
4610 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
4612 * cse.c (fold_rtx): Handle unordered comparisons.
4614 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
4616 * rtlanal.c (set_of_1): New static function.
4617 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
4618 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
4619 reg_set_last_last_regno): Remove.
4620 (set_of): New global function.
4621 (set_of_data): New structure.
4622 (reg_set_p, reg_set_last): Revamp for set_of.
4623 * rtl.h (set_of): New.
4625 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
4627 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
4628 * extend.texi: Document _Exit builtin.
4630 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4632 * (initialize, initialize_builtins,
4633 initialize_dependency_output, initialize_standard_includes):
4634 Rename s/initialize/init. Update.
4635 (init_dependency_output): Move to after
4636 cpp_handle_options, the correct location temporally at least.
4637 (opt_comp): Move next to init (), its caller. Fix prototype.
4638 (init): Make "initialized" local scope.
4639 (cpp_create_reader): Always call init ().
4640 (cpp_start_read): Update.
4641 (output_deps): New function, broken out of cpp_finish.
4642 (cpp_finish): Break out output_deps.
4644 2001-01-07 Richard Henderson <rth@redhat.com>
4646 * collect2.c (COFF specific stuff): Revert 12-06 patch
4647 to prototype system functions.
4649 2001-01-07 Michael Hayes <mhayes@redhat.com>
4651 * hard-reg-set.h: Add multiple include guard.
4652 * basic-block.h (struct loop): Add `sink' field.
4653 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
4654 (emit_iv_add_mult): Delete.
4655 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
4656 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
4657 (unroll_loop): Remove end_insert_before argument.
4658 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
4659 (maybe_eliminate_biv_1): Likewise.
4660 (emit_iv_add_mult): Delete.
4661 (gen_add_mult, loop_regs_update): New.
4662 (loop_insn_emit_after, loop_insn_emit_before): New.
4663 (loop_insn_sink, loop_insn_sink_or_swim): New.
4664 (emit_iv_add_mult): Delete.
4665 (scan_loop): Set loop->sink.
4666 (loop_givs_reduce): Use loop_insn_sink and its ilk.
4667 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
4668 (maybe_eliminate_biv_1): Likewise.
4669 (maybe_eliminate_biv_1): Add basic block argument.
4670 * unroll.c (unroll_loop): Remove end_insert_before argument.
4671 (find_splittable_regs): Likewise.
4672 (find_splittable_regs): Use loop_insn_sink and its ilk.
4673 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
4675 2001-01-07 Michael Hayes <mhayes@redhat.com>
4677 * loop.h (loop_insn_hoist): New prototype.
4678 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
4679 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
4680 (check_dbra_loop, load_mems): Likewise.
4681 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
4682 (find_splittable_givs): Likewise.
4684 2001-01-07 Michael Hayes <mhayes@redhat.com>
4686 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
4688 2001-01-07 Richard Henderson <rth@redhat.com>
4690 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
4692 2001-01-07 Richard Henderson <rth@redhat.com>
4694 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
4695 NO_SHARED_LIBGCC_MULTILIB as required for the target.
4696 * gcc.c (init_spec): Massage the existing libgcc_spec into a
4697 variant that handles a shared libgcc.
4698 (process_command): Always validate -{static,shared}-libgcc.
4699 (do_spec_1): New 'M' case.
4700 * invoke.text (Link Options): Document -{static,shared}-libgcc.
4702 2001-01-07 Richard Henderson <rth@redhat.com>
4704 * Makefile.in (slibdir): New variable.
4705 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
4706 (installdirs): Create slibdir.
4707 (install-libgcc, install-multilib): Defer to libgcc.mk.
4708 * configure.in (slibdir): Substitute.
4709 * mklibgcc.in (install): New target.
4711 * config/t-linux (SHLIB_LINK): Create links for the soname.
4712 (SHLIB_INSTALL): New.
4713 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
4714 * config/mips/t-iris6 (SHLIB_INSTALL): New.
4715 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
4716 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
4717 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
4719 2001-01-07 Richard Henderson <rth@redhat.com>
4721 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
4722 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
4723 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
4725 2001-01-07 Michael Hayes <mhayes@redhat.com>
4727 * loop.c (count_loop_regs_set): Delete.
4728 (load_mems_and_recount_loop_regs_set): Delete.
4729 (loop_regs_scan): Merge common code from count_loop_regs_set,
4730 scan_loop, and load_mems_and_recount_loop_regs_set.
4731 (scan_loop): Call load_mems directly and loop_regs_scan
4732 again if new registers created.
4734 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4736 * toplev.c (main): Call the front-end specific post_options
4737 hook if one is given.
4738 * toplev.h (struct_lang_hooks, lang_hooks): New.
4739 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
4740 for the C front end.
4741 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
4742 lang_hooks for the C++ front end.
4743 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
4744 lang_hooks for the ObjC front end.
4745 * f/com.c (lang_hooks): Hooks for the Fortran front end.
4746 * java/lang.c (lang_hooks): Hooks for the Java front end.
4748 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
4750 * c-lex.c (init_c_lex): Request #define / #undef callbacks
4751 for verbose DWARF[2] debugging.
4752 (cb_define, cb_undef): The new callbacks.
4753 * toplev.h (debug_define, debug_undef): Make const correct.
4754 * toplev.c (debug_define, debug_undef): Similarly. Do not
4755 perform the verbosity tests here anymore.
4757 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
4759 * reload.c (subst_reloads): Take INSN argument. When
4760 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
4761 * reload.h (subst_reloads): Adjust prototype.
4762 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
4763 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
4764 present in JUMP_INSNs and copy them to JUMP_LABEL.
4765 * flow.c (find_label_refs, find_basic_blocks_1): Skip
4766 JUMP_INSNs and insns with REG_LABELs that are followed by
4767 JUMP_INSNs with the same REG_LABEL.
4768 * sched-rgn.c (is_cfg_nonregular): Likewise.
4769 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
4771 * unroll.c (unroll_loop): Look for REG_LABEL notes in
4773 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
4775 2001-01-06 Richard Henderson <rth@redhat.com>
4777 * loop.c (scan_loop): Use xcalloc for the regs array.
4778 (load_mems_and_recount_loop_regs_set): Zero the new memory
4779 received from xrealloc.
4781 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
4783 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
4785 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
4787 * integrate.c (copy_rtx_and_substitute): When copying
4788 an ignored return value, strip REG_FUNCTION_VALUE_P.
4790 2001-01-06 Michael Hayes <mhayes@redhat.com>
4792 * loop.c (debug_biv, debug_giv): New.
4793 (loop_biv_dump): Break out from ...
4794 (record_biv): ... here.
4795 (loop_giv_dump): Break out from ...
4796 (record_giv): ... here.
4797 (loop_bivs_check): Use print_simple_rtl.
4798 * unroll.c (loop_iterations): Use print_simple_rtl.
4800 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
4802 * pa.md (return, return_internal): Modify patterns to prevent regrename
4803 mucking with the return pointer.
4805 2001-01-05 Richard Henderson <rth@redhat.com>
4807 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
4809 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
4811 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
4812 version supplied by Matteo Frigo.
4814 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4816 * cpp.texi: Update for -MQ.
4817 * cppinit.c (cpp_create_reader): Always create pfile->deps.
4818 (cpp_cleanup): Always free pfile->deps.
4819 (initialize_dependency_output): Don't create pfile->deps.
4820 (cpp_handle_option): Similarly.
4822 * gcc.c (cpp_options): Handle -MQ.
4823 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
4824 * mkdeps.c (base_name): Remove.
4825 (deps_init): Don't allocate vector space until it's needed.
4826 (deps_free): Only free vectors if allocated.
4827 (deps_add_target, deps_add_dep): Update for initial allocation.
4828 (deps_add_default_target): Don't strip to the base_name.
4830 2001-01-05 DJ Delorie <dj@redhat.com>
4832 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
4833 (INIT_EXPANDERS): Define.
4835 * config/v850/v850.c (struct machine_function): Define.
4836 (v850_save_machine_status): New function.
4837 (v850_restore_machine_status): New function.
4838 (v850_return_addr): New function.
4839 (v850_init_expanders): New function.
4841 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
4842 and v850_init_expanders.
4844 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4846 * cpplib.h (struct cpp_reader): Add help_only field.
4847 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
4848 (cpp_handle_option): Set pfile->help_only if we see -h,
4849 --help, -target-help, or --version. Print version string but
4850 do not set help_only if we see -v or -version. Make text
4851 printed by -v match that printed by (-)-version.
4853 * cppmain.c (main): Exit after option parsing if
4854 pfile->help_only is true.
4856 * toplev.c (independent_decode_option): Call print_version,
4857 then exit, if we see --version (but not -version).
4858 (print_version): Split lengthy message into two lines.
4860 2001-01-05 Nick Clifton <nickc@redhat.com>
4862 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
4863 temporary string for initialisation before calling ggc_alloc_string.
4865 2001-01-06 Michael Hayes <mhayes@redhat.com>
4867 * rtl.h (print_simple_rtl): New.
4868 * print-rtl.c (print_simple_rtl): New.
4870 (print_rtx): Disable printing of flags and modes, etc.,
4871 if `flag_simple` nonzero.
4873 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
4875 * function.c (fixup_var_refs): Use push_to_full_sequence where
4878 2001-01-05 Michael Meissner <meissner@redhat.com>
4880 * flags.h (flag_reorder_blocks): Add declaration.
4881 (flag_rename_block): Ditto.
4883 2001-01-05 DJ Delorie <dj@redhat.com>
4885 * function.c (reorder_blocks): Make sure the flags are all reset
4886 before using them to mark blocks, else a second invocation will
4887 corrupt the block chain.
4888 (reorder_blocks_0): New, resets the flags.
4890 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
4892 * cse.c (find_comparison_args): Stop if the argument is known to
4895 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
4897 * config/sh/sh.md (movdf): When splitting load into pair of
4898 registers, don't clobber the register used in the address too
4901 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
4903 * varasm.c (mark_constant_pool): Improve initial comments.
4904 (mark_constants): Move marking of constants to mark_constant.
4905 (mark_constant): New function to recursively mark all constants
4906 referred to by a constant.
4908 2001-01-05 Catherine Moore <clm@redhat.com>
4910 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
4912 2001-01-05 Phil Edwards <pme@sources.redhat.com>
4914 * cp/lang-options.h: Bring comment in line with reality.
4915 * f/lang-options.h: Likewise.
4916 * java/lang-options.h: Likewise.
4917 * objc/lang-options.h: Likewise.
4918 * ch/lang-options.h: Likewise.
4919 * f/g77.texi: And update the manual.
4921 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
4922 Denis Chertykov <denisc@overta.ru>
4924 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
4925 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
4926 * config/avr/avr.md (all peepholes that request a scratch register):
4927 Call it, FAIL the peephole if not safe (in interrupt functions).
4929 2001-01-05 Mark Mitchell <mark@codesourcery.com>
4931 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
4933 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
4935 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
4937 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
4938 BUILT_IN_CREAL and BUILT_IN_CIMAG.
4939 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
4940 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
4941 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
4943 * extend.texi: Document these builtins.
4945 2001-01-05 Daniel Berlin <dberlin@redhat.com>
4947 * c-common.c (lang_get_alias_set): Say we know nothing of
4948 VECTOR_TYPE aliasing.
4950 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
4952 2001-01-05 Bruce Korb <bkorb@gnu.org>
4954 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
4955 their x* equivalent versions for atexit-less systems
4956 * fixinc/fixincl.c(main): do not return from main() on atexit-less
4957 systems (or any other system any more).
4959 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
4961 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
4962 output operands. Use arm_hard_register_operand for operand 4.
4963 (stmsi_postinc): Similarly.
4964 (ldmsi): Use arm_hard_register_operand for opernand 2.
4966 * arm.c (arm_hard_register_operand): New function.
4967 * arm-protos.h (arm_hard_register_operand): Prototype it.
4969 * arm.h (HARD_REGNO_RENAME_OK): Define.
4971 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
4973 * simplify-rtx.c (cfc_args): add "unordered" field.
4974 (check_fold_consts): Set unordered field.
4975 (simplify_relational_operation): Simplify the unordered
4978 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
4981 * emit-rtl.c (try_split): Fix code to mark labels.
4982 * jump.c (mark_jump_label): Make global.
4983 * rtl.h (mark_jump_label): Declare.
4985 * predict.c (estimate_probability): Handle unordred comparisons.
4987 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
4989 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
4990 * cppinit.c (initialize_dependency_output): Update.
4991 (cpp_finish): Output dummy targets for -MP.
4993 (cpp_handle_option): Handle -MP. Don't quote -MT options.
4994 * cpplib.h (struct cpp_options): Add deps_phony_targets.
4995 * gcc.c (cpp_options): Update to handle -MP.
4996 * mkdeps.c (deps_add_target, deps_add_default_target): Update
4997 to quote only the default target.
4998 (deps_phony_targets): Insert a preceding newline. Rename from
4999 deps_dummy_targets for consistency.
5002 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5004 * calls.c (emit_library_call_value_1): Support
5005 INIT_CUMULATIVE_LIBCALL_ARGS.
5006 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
5008 2001-01-04 Richard Henderson <rth@redhat.com>
5010 * c-decl.c (finish_struct): Detect flexible array members
5011 used in an inappropriate context.
5012 * c-typeck.c (really_start_incremental_init): Special case
5013 constructor_max_index for zero length arrays.
5014 (pop_init_level): Allow initialization of flexible array
5015 members. Deprecate initialization of zero length arrays.
5016 Don't issue missing initializer warning for flexible array
5017 members or zero length arrays.
5018 (process_init_element): Don't dereference null DECL_SIZE.
5019 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
5020 Don't abort for empty constructors. Use size_binop
5021 (output_constructor): Add commentary regarding zero length
5022 array futures. Abort if we try to initialize an array of
5023 unspecified length with a non-empty constructor in the middle
5026 * extend.texi (Zero Length): Update and clarify documentation
5027 on static initialization.
5029 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5031 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
5032 with more than 32767 words of local storage.
5034 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5036 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
5037 for 'abs', 'labs', and 'fabs'.
5038 (c4x_expand_builtin): Likewise.
5039 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
5041 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
5043 * config/sh/sh.md (prget, prset): New insn types.
5044 (return delay slot): Dont' allow prset.
5045 (call, sfunc delay slot): Don't allow prget.
5046 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
5047 for prset and prget.
5049 2001-01-05 Michael Hayes <mhayes@redhat.com>
5051 * loop.h (struct loop_reg): New.
5052 (struct loop_regs): Change to use array of `struct loop_reg'.
5053 * loop.c: Replace assortment of varrays with single regs array.
5054 (count_one_set): Delete may_not_move array argument
5055 and use regs array instead. All caller's changed.
5056 (count_loop_regs_set): Delete may_not_move and single_usage
5057 arguments and use regs array instead. All caller's changed.
5058 (find_single_use_in_loop): Replace usage array argument with pointer
5059 to regs structure. All caller's changed.
5060 (loop_optimize): Delete `moved_once' array.
5062 2001-01-05 Michael Hayes <mhayes@redhat.com>
5064 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
5065 Use it instead of loop_info->has_call for scanning loop mems.
5066 (check_dbra_loop): Replace loop_info->has_call test with
5067 loop_info->has_nonconst_call.
5069 2000-01-04 Matthew Hiller <hiller@redhat.com>
5071 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
5074 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5076 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
5077 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
5079 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
5081 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
5082 (flag_short_double, flag_short_wchar): Define.
5083 (c_common_nodes_and_builtins): Create many tree nodes shared
5084 between C and C++ here instead of in cp/decl.c and ...
5085 * c-decl.c (init_decl_processing): ... here.
5086 (SIZE_TYPE, WCHAR_TYPE): Don't define.
5087 (flag_short_double, flag_short_wchar): Don't define.
5088 (record_builtin_type): New function.
5089 (build_void_list_node): New function.
5090 * c-common.h (flag_short_double, flag_short_wchar,
5091 record_builtin_type, build_void_list_node): Declare.
5093 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
5095 * integrate.c (expand_inline_function): Don't put a virtual
5096 register into the reg map.
5098 * function.c (fixup_var_refs_1): If force_operand didn't put
5099 the address into the target, move it there.
5101 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5103 Special-case tree_decl/tree_list allocations.
5104 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
5105 (OBJECT_SIZE): New macro.
5106 (NUM_EXTRA_ORDER): Likewise.
5107 (extra_order_size_table): New variable.
5108 (NUM_ORDERS): New macro.
5109 (objects_per_page_table): New variable.
5110 (object_size_table): New variable.
5111 (G.pages): Use NUM_ORDERS to bound the array.
5112 (G.page_tails): Likewise.
5113 (DIV_ROUND_UP): Remove.
5114 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
5115 (alloc_page): Use OBJECT_SIZE.
5116 (size_lookup): Don't make it const.
5117 (ggc_alloc): Use OBJECT_SIZE.
5118 (ggc_set_mark): Likewise.
5119 (ggc_get_size): Likewise.
5120 (init_ggc): Set up the object_size_table, objects_per_page_table,
5121 and adjust size_lookup.
5122 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
5123 (ggc_pop_context): Use NUM_ORDERS.
5124 (clear_marks): Likewise.
5125 (sweep_pages): Likewise.
5126 (poison_pages): Likewise.
5127 (ggc_print_statistics): Use OBJECT_SIZE.
5129 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5131 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
5132 Only call array_size_for_constructor if last field and array type
5133 with no upper bound.
5135 2001-01-04 Philip Blundell <philb@gnu.org>
5137 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
5138 from bit 31 downwards, if this requires no more insns.
5139 (count_insns_for_constant): New helper function for above.
5141 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
5143 * gencodes.c (output_predicate_decls): Remove empty initializer.
5145 2001-01-04 Mark Mitchell <mark@codesourcery.com>
5147 * tree.c (copy_node): Remove documentation about obstacks.
5148 (buidl1): Check that nobody tries to build 2-argument nodes this
5151 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5153 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
5156 * gencodes.c (output_predicate_decls): Fill empty initializer
5159 2001-01-04 Jakub Jelinek <jakub@redhat.com>
5161 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
5162 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
5164 (do_include): Handle missing headers like cpp0.
5165 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
5166 paths with first include pathname. Don't strcat to uninitialized
5169 2001-01-04 Bernd Schmidt <bernds@redhat.com>
5171 * regrename.c (regrename_optimize): Don't rename from frame pointer
5172 if frame_pointer_needed.
5173 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
5174 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
5175 (ia64_reorg): Use it instead of scheduling if ! optimize.
5176 (errata_emit_nops): Properly call asm_noperands.
5177 (ia64_sched_reorder): Finish cycle if we see an asm.
5178 (ia64_variable_issue): Clear scheduling state after asms.
5180 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
5182 * cpp.texi: Update for -MT.
5183 * cppinit.c (initialize_dependency_output): Add a default
5184 target if none has been given already.
5185 (no_tgt, OPT_MT): New.
5186 (cpp_handle_option): Handle -MT. Update -M etc.
5187 * cpplib.h (struct cpp_options): Remove deps_target.
5188 * gcc.c (cpp_options): Handle -MT.
5189 * mkdeps.c (struct deps): Move from mkdeps.h.
5190 (deps_calc_target): Rename deps_add_default_target. Add a
5191 default target if none has been specified already.
5192 * mkdeps.h (struct deps): Move to mkdeps.c.
5193 (deps_calc_target): Rename deps_add_default_target.
5195 2000-01-03 Richard Henderson <rth@redhat.com>
5197 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
5199 * c-typeck.c (push_init_level): Move checks for flexible array
5200 members and zero length arrays ...
5201 (pop_init_level): ... here. Silently discard empty initializations.
5203 * varasm.c (output_constructor): Update for sizeof change to
5206 * extend.texi (Zero Length): Clarify semantics.
5208 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5210 * configure.in (tm.h): Include isns-codes.h last.
5211 * configure: Rebuilt.
5213 2001-01-03 Richard Henderson <rth@redhat.com>
5215 * config/alpha/alpha.md (addvsi3, addvdi3): New.
5216 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
5218 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5220 * tradcpp.c (main): Make sure finclude() is called with a valid
5221 indepth value while handling -include.
5223 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5225 * gencodes.c (output_predicate_decls): New function.
5227 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
5228 even if it is not the first time machmode.h is #included.
5229 * config/sh/sh.c (fpul_operand): Declare MODE argument.
5230 * tm.texi (PREDICATE_CODES): Document predicate declarations.
5231 * gcc.texi (Copyright): Added 2001.
5233 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5235 * c-common.c (c_common_lang_init): New function. Warn if format
5236 warning options which only have effects when used with -Wformat
5237 are used without -Wformat.
5238 * c-common.h (c_common_lang_init): Declare.
5239 * c-lang.c (lang_init): Call c_common_lang_init.
5240 * objc/objc-act.c (lang_init): Call c_common_lang_init.
5242 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5244 * configure.in: Check for the mktemp command.
5245 * configure: Regenerate.
5246 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
5247 $TEMP. Create temporary files with mktemp, if available at
5248 configure time; otherwise use set -C. Remove temporary files
5251 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
5253 * configure.in: Require at least texinfo 4.0. Check for whether
5254 Pod::Man is sufficiently recent to regenerate GCC manpages.
5255 * configure: Regenerate.
5256 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
5258 (GENERATED_MANPAGES): Define.
5259 (generated-manpages): New target. Depend on cpp.1 as well as
5261 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
5262 configure to generated-manpages or empty) rather than on the
5263 manpages directly. Remove execute permission from installed
5264 gcov.1 as well as cpp.1.
5265 * cpp.1, gcov.1: Regenerate.
5267 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5269 * builtins.c (expand_builtin_strncmp): Use host_integerp and
5270 tree_low_cst. Allow using cmpstrsi in more cases.
5272 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5274 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
5277 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
5279 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
5280 * Makefile.in (HOST_CFLAGS): Mention build-make.
5282 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5284 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
5287 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5289 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
5292 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
5295 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
5296 reg_base_value and reg_known_value arrays.
5297 (init_alias_analysis): Add more cases to detect known values.
5298 * sched-deps.c (deps_may_trap_p): New function.
5299 (sched_analyze_2): Use it.
5301 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
5303 * combine.c (simplify_shift_const): Even if we're sign-extracting,
5304 don't discard an ASHIFTRT if we're shifting in a wider mode.
5306 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
5308 * toplev.c (rest_of_compilation): Don't print basic block information
5309 when CFG isn't up to date.
5311 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
5313 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
5314 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
5315 (UNALIGNED_SHORT_ASM_OP): Define.
5316 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
5318 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5320 * fold-const.c (fold_convert): Fix typo.
5322 2001-01-02 Richard Henderson <rth@redhat.com>
5324 * c-common.h (ASM_INPUT_P): New.
5325 * c-parse.in (asm): Set it when needed.
5326 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
5327 existance of an operand.
5329 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
5331 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
5332 (dwarf2out_frame_debug_expr): Likewise.
5333 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
5335 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
5337 * i386.c (ix86_split_to_parts): Return number of part required;
5339 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
5341 (ix86_split_long_move): Use number of part returned
5342 by ix86_split_to_parts
5343 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
5345 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
5346 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
5347 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
5348 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
5349 (ALIGN_MODE_128): Add TFmode.
5350 (IS_STACK_MODE): Likewise.
5351 (HARD_REGNO_NREGS): TFmode needs 3 registers.
5352 (HARD_REGNO_OK): Support TFmodes.
5353 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
5354 * i386.md (scheduler definitions): Use memory operand to determine
5355 fst/fld instructions; use mode attribute to determine real mode of
5357 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
5358 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
5360 2001-01-02 Mark Mitchell <mark@codesourcery.com>
5362 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
5364 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5366 * expr.c (store_constructor_field): Update ALIGN before calling
5369 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5371 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
5374 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
5376 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
5379 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
5381 * c-decl.c (start_function): Don't warn on third parameter to main.
5383 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5385 * tsystem.h: Define HAVE_DECL_GETOPT.
5387 2001-01-02 Philip Blundell <pb@futuretv.com>
5389 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
5392 2001-01-02 Richard Henderson <rth@redhat.com>
5394 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
5396 2001-01-02 Andreas Jaeger <aj@suse.de>
5398 * c-decl.c (c_decode_option): Remove support of
5401 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
5402 (W_options): Add -Wmissing-noreturn here.
5404 * flow.c: Define lang_missing_noreturn_ok_p.
5405 (check_function_return_warnings): Use it.
5407 * c-common.h: Declare lang_missing_noreturn_ok_p.
5409 * c-lang.c (c_missing_noreturn_ok_p): New function.
5410 (lang_init): Set lang_missing_noreturn_ok_p.
5412 * invoke.texi (Warning Options): Document this.
5414 2000-12-27 Phil Edwards <pme@sources.redhat.com>
5416 * extend.texi (C++ Extensions): New node for C++ attributes;
5417 describe init_priority and com_interface.
5418 * invoke.texi: Remove -finit-priority as it now has zero effect.
5419 * install.texi: Fix xref syntax.
5420 * md.texi: Likewise.
5422 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5424 * config.gcc (sparc64-wrs-vxworks*): New case.
5425 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
5427 * config/sparc/sparc.c (sparc_override_options): Do support different
5428 pointer and architecture size.
5429 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
5430 (POINTERS_EXTEND_UNSIGNED): Define.
5431 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
5432 (FUNCTION_MODE): Define to be Pmode.
5433 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
5435 * function.c (expand_function_end): Properly handle DECL_RESULT
5436 and copy when ptr_mode != Pmode.
5437 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
5439 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5441 * c-common.c (c_common_nodes_and_builtins): Set prototype
5442 parameters for __builtin_fputs, __builtin_fputc and
5443 __builtin_fwrite. Don't declare plain fputc as a builtin.
5445 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
5447 * loop.c (add_label_notes): Increment the label usage count when
5448 a note is added to an insn which refers to a CODE_LABEL.
5449 * gcse.c (add_label_notes): Likewise.
5451 2001-01-01 Andreas Jaeger <aj@suse.de>
5453 * loop.c (scan_loop): Use xmalloc to allocate movables.
5455 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
5457 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
5458 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
5459 * reload1.c (REGISTER_MOVE_COST): Likewise.
5460 * regclass.c (REGISTER_MOVE_COST): Likewise.
5461 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
5462 dimension. Adjust all users.
5463 (init_reg_sets_1): Iterate on all modes.
5464 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
5465 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
5466 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
5467 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
5468 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
5469 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
5470 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
5471 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
5472 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
5473 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
5474 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
5475 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
5476 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
5477 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
5478 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
5479 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
5480 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
5481 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
5482 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
5483 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
5484 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
5485 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
5486 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
5487 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
5488 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
5489 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
5490 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
5492 2001-01-01 Bernd Schmidt <bernds@redhat.com>
5494 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
5495 arg VARIES_P. Call it with extra arg.
5496 (true_dependence): Likewise.
5497 * rtl.h (rtx_addr_can_trap_p): Declare.
5498 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
5500 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
5501 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
5502 pic offset table register if it's zero. All callers changed.
5503 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
5505 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
5507 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
5508 STRING_POOL_ADDRESS_P.
5510 * config/sparc/sparc.c (input_operand): Properly test for short op.
5512 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
5513 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
5514 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
5515 * config/sparc/elf.h: No longer include sol2.h.
5516 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
5517 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
5519 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
5521 2001-01-01 Michael Hayes <mhayes@redhat.com>
5523 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
5524 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
5525 (record_initial): Likewise.
5526 * unroll.c (copy_loop_body, loop_iterations): Likewise.
5527 (remap_split_bivs): Likewise.
5529 2001-01-01 Michael Hayes <mhayes@redhat.com>
5531 * loop.c (loop_ivs_free): New function.
5532 (strength_reduce): Break out from...
5534 2001-01-01 Michael Hayes <mhayes@redhat.com>
5536 * loop.h (struct iv): New.
5537 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
5538 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
5539 'reg_biv_class' fields with 'regs' and 'n_regs'.
5540 (struct ivs): Rename 'loop_iv_list' field to 'list'.
5541 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
5542 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
5544 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
5546 * resource.c (mark_referenced_resources): Abort() before
5547 attempting to mark a pseudo register.
5548 (mark_set_resources): Likewise.
5550 2001-01-01 Michael Hayes <mhayes@redhat.com>
5552 * loop.h (REG_IV_CLASS): New accessor macro.
5553 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
5554 * unroll.c (REG_IV_CLASS): Likewise.
5556 See ChangeLog.4 for earlier changes.