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cygwin.h: Declare ctor_section, dtor_section drectve_section, switch_to_section.
[gcc.git] / gcc / ChangeLog
1 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
2
3 * config/i386/cygwin.h: Declare ctor_section, dtor_section
4 drectve_section, switch_to_section.
5
6 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
7 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
8 i386_pe_mark_dllimport.
9
10 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
11
12 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
13 functions i386_pe_*.
14
15 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
16 i386_pe_* functions with char * arguments.
17
18 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
19
20 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
21 and store.
22 (movsi_ie): Introduce fpul store.
23
24 2001-03-20 Alan Modra <alan@linuxcare.com.au>
25
26 * Makefile.in (OBJS): Remove hashtab.o.
27
28 2001-03-19 Stan Shebs <shebs@apple.com>
29
30 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
31 * c-lang.c (maybe_objc_method_name): Ditto.
32 * c-tree.h (maybe_objc_method_name): Remove decl.
33
34 2001-03-19 Tom Tromey <tromey@redhat.com>
35
36 * gcc.c (init_gcc_specs): Fix comment.
37
38 2001-03-19 Mark Mitchell <mark@codesourcery.com>
39
40 Compute DECL_ASSEMBLER_NAME lazily.
41 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
42 (DECL_ASSEMBLER_NAME_SET_P): New macro.
43 (SET_DECL_ASSEMBLER_NAME): Likewise.
44 (COPY_DECL_ASSEMBLER_NAME): Likewise.
45 (set_decl_assembler_name): Declare.
46 (lang_set_decl_assembler_name): Likewise.
47 * tree.c (lang_set_decl_assembler_name): New variab.e
48 (set_decl_assembler_name): New function.
49 (init_obstacks): Set lang_set_decl_assembler_name.
50 (build_decl): Don't set DECL_ASSEMBLER_NAME.
51 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
52 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
53 where it's not necessary.
54 (builtin_function): Likewise.
55 (finish_decl): Likewise.
56 * dbxout.c (dbxout_type_methods): Likewise.
57 * ggc-common.c (ggc_mark_trees): Likewise.
58 * profile.c (output_func_start_profiler): Likewise.
59 * varasm.c (make_decl_rtl): Likewise.
60
61 * cse.c (find_comparison_args): Update documentation. Fix
62 mishandling of COMPARE operations.
63
64 * tree.def (ABS_EXPR): Add documentation.
65 * fold-const.c (fold): Improve folding of ABS_EXPRs.
66
67 2001-03-19 Zack Weinberg <zackw@stanford.edu>
68
69 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
70
71 2001-03-19 Jakub Jelinek <jakub@redhat.com>
72
73 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
74 Remove ia32 linux PIC kludge and move it...
75 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
76
77 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
78
79 * i386.md (absdf2 expander): Fix 64bit case.
80
81 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
82
83 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
84
85 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
86
87 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
88
89 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
90
91 * README.X11: Remove obsolete file.
92
93 2001-03-18 Anthony Green <green@redhat.com>
94
95 * config/pj/pj.h: Remove some trailing commas.
96 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
97
98 2001-03-18 Richard Henderson <rth@redhat.com>
99
100 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
101 * calls.c: ... here.
102 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
103 defaults for them here.
104
105 2001-03-17 Anthony Green <green@redhat.com>
106
107 * config/pj/lib1funcs.S: Fix broken comment.
108 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
109 labels with '.'.
110
111 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
112
113 * gcc.texi: Remove obsolete information relating to build and
114 installation problems with enquire or the Pyramid C compiler.
115
116 2001-03-17 Richard Henderson <rth@redhat.com>
117
118 * dwarf2out.c (queue_reg_save): New.
119 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
120 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
121 dwarf2out_reg_save.
122 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
123 (cfa, cfa_store, cfa_temp): Make static.
124 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
125
126 2001-03-17 Richard Henderson <rth@redhat.com>
127
128 * integrate.h (struct inline_remap): Add local_return_label.
129 * integrate.c (expand_inline_function): Initialize it and emit
130 it after copy_insn_notes.
131 (copy_insn_list): Don't store local_return_label here.
132 (copy_insn_notes): New function split out from copy_insn_list.
133
134 2001-03-17 Richard Henderson <rth@redhat.com>
135
136 * dwarf2out.c (lookup_filename): Emit .file if the assembler
137 is generating .debug_line.
138 (dwarf2out_init): Add main_input_filename to the file table first.
139 * configure.in (as_dwarf2_debug_line): Test with file number 1
140 instead of file number 0.
141
142 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
143
144 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
145 (gen_rtx_combine): Deleted; all references changed as appropriate.
146 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
147
148 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
149
150 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
151
152 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
153 variable.
154
155 2001-03-16 Jim Wilson <wilson@redhat.com>
156
157 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
158 then set it to LOC_REG (79) instead of aborting.
159
160 2001-03-16 Phil Edwards <pme@sources.redhat.com>
161
162 * gccbug.in: Remove high priority.
163
164 2001-03-16 Richard Henerson <rth@redhat.com>
165
166 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
167 output with a space instead of deleting it.
168 * configure: Regenerate.
169
170 2001-03-16 Zack Weinberg <zackw@stanford.edu>
171
172 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
173 handles the gory details of converting an object file into
174 something that's safe to grep.
175 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
176 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
177 newlines at either end of the string we're looking for.
178 Make 'checking ...' message less stilted.
179 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
180 ARM in-memory layout and its hypothetical converse. Don't
181 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
182 HOST_WORDS_BIG_ENDIAN.
183
184 * configure.in: Adjust for renamed macro. Move
185 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
186 * configure, config.in: Regenerate.
187
188 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
189
190 * fixinc/Makefile.in: Set SHELL.
191
192 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
193
194 * fixinc/fixincl.c (fix_with_system): Quote file names before
195 passing them to shell.
196
197 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
198
199 * Makefile.in: Use fix-header$(build_exeext) instead
200 of fix-header.
201
202 2001-03-16 Richard Henderson <rth@redhat.com>
203
204 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
205 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
206 (size_of_line_prolog): Remove.
207 (output_line_info): Compute prologue size via label difference.
208 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
209
210 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
211 assembler error when redefining file numbers.
212 * config.in, configure: Rebuild.
213
214 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
215 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
216 (dw2_asm_output_delta_uleb128): Likewise.
217 (dw2_asm_output_delta_sleb128): Similarly.
218 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
219
220 2001-03-16 Michael Meissner <meissner@redhat.com>
221
222 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
223 warnings.
224 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
225 warnings.
226 (BITMASK_LOWER16): Replacement for 0x0000ffff.
227
228 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
229 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
230 being unsigned in ISO C and signed in traditional.
231 (expand_prologue): Ditto.
232 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
233
234 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
235 warnings.
236 (divsi3,divdi3): Ditto.
237 (modsi3,moddi3): Ditto.
238 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
239 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
240 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
241 warnings.
242
243 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
244
245 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
246 SSE based conditional moves on LTGT/UNEQ conditions;
247 Canonicalize EQ to NE.
248 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
249 (sse_mov?fcc_ne): New.
250
251 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
252
253 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
254
255 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
256 register may be dead.
257
258 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
259
260 * Makefile.in (hash.o): Depend on CONFIG_H.
261
262 2001-03-15 Mark Mitchell <mark@codesourcery.com>
263
264 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
265
266 2001-03-15 Richard Henderson <rth@redhat.com>
267
268 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
269 (ASM_OUTPUT_DWARF_PCREL): New.
270 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
271
272 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
273
274 * cppfiles.c (stack_include_file): Use MAX of sysp.
275
276 2001-03-15 Steve Ellcey <sje@cup.hp.com>
277
278 * config.gcc (ia64*-*-hpux*): New case.
279 * config/ia64/hpux.h: New file for HP-UX support.
280 * config/ia64/t-hpux: New file for HP-UX support.
281
282 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
283
284 * fixinc/inclhack.def (irix_stdio_va_list): New.
285 * fixinc/fixincl.x: Rebuilt.
286
287 2001-03-15 Richard Henderson <rth@redhat.com>
288
289 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
290 if provided by the target.
291 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
292 (dw2_asm_output_addr): New.
293 * dwarf2asm.h (dw2_asm_output_addr): Declare.
294 * dwarf2out.c (output_cfi): Use it for program addresses.
295 (output_call_frame_info, output_die): Likewise.
296 (output_aranges, output_line_info): Likewise.
297
298 2001-03-15 Bruce Korb <bkorb@gnu.org>
299
300 * gcc.c(main): make more rigorous
301 * collect2.c(main): guard against ignoring SIGCHLD
302 * protoize.c(main): ditto
303 * gcc/fixinc/fixincl.c(initialize): ditto
304
305 2001-03-15 Mark Mitchell <mark@codesourcery.com>
306
307 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
308 (sdbout_parms): Likewise.
309
310 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
311
312 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
313 "widen" a destination that is already wider than a word. Also do
314 not widen if LOAD_EXTEND_OP is NIL for the given mode.
315
316 2001-03-15 Bernd Schmidt <bernds@redhat.com>
317
318 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
319
320 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
321
322 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
323
324 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
325
326 * i960.h (i960_maxbitalignment,
327 i960_last_maxbitalignment): Declare.
328 * i960.c (i960_maxbitalignment,
329 i960_last_maxbitalignment): Make global.
330 (process_pragma): Delete.
331 (i960_pr_align, i960_pr_noalign): Move from here ...
332 * i960-c.c: ... to this new file.
333 * t-960bare (i960-c.o): New rule.
334 * t-vxworks960 (i960-c.o): Likewise.
335 * config.gcc (i960-*-*): Define c_target_objs and
336 cxx_target_objs.
337
338 2001-03-15 Bernd Schmidt <bernds@redhat.com>
339
340 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
341 without adding in rtx code and mode.
342
343 * alias.c (init_alias_analysis): Don't use any rtx whose value
344 varies as a known value.
345 Delete a superfluous test.
346
347 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
348 ia64_sched_reorder.
349 (ia64_sched_reorder): Call maybe_rotate; also rotate after
350 scheduling a stop bit.
351 (ia64_emit_nops): Correctly handle ASMs.
352
353 2001-03-15 Mark Mitchell <mark@codesourcery.com>
354
355 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
356
357 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
358
359 * cpp.texi: Update documentation for -include and -imacros.
360 * cppfiles.c (struct include_file): Remove "defined" memeber.
361 (find_or_create_entry): Make a copy of the file name, and
362 simplify it.
363 (open_file): Update to ensure we use the simplified filename.
364 (stack_include_file): Don't set search_from.
365 (cpp_included): Don't simplify the path name here.
366 (find_include_file): New prototype. Call search_from to
367 get the start of the "" include chain. Don't simplify the
368 filenames here.
369 (_cpp_execute_include): New prototype. Move diagnostics to
370 do_include_common. Update.
371 (_cpp_pop_file_buffer): Don't set defined.
372 (search_from): New prototype. Use the preprocessor's cwd
373 for files included from the command line.
374 (read_name_map): Don't simplify the pathname here.
375 * cpphash.h (enum include_type): New.
376 (struct buffer): Delete search from. New search_cached.
377 (_cpp_execute_include): Update prototype.
378 * cppinit.c (do_includes): Use _cpp_execute_include.
379 * cpplib.c (do_include_common): New function.
380 (do_include, do_include_next, do_import): Use it.
381
382 2001-03-14 Mark Mitchell <mark@codesourcery.com>
383
384 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
385 contents of the RTL, to determine the name of the object.
386
387 2001-03-14 Mark Mitchell <mark@codesourcery.com>
388
389 * tree.h (DECL_RTL): Allocate RTL lazily.
390 (SET_DECL_RTL): New macro.
391 (DECL_RTL_SET_P): Likewise.
392 (COPY_DECL_RTL): Likewise.
393 (DECL_RTL_IF_SET): Likewise.
394 * varasm.c (make_decl_rtl): Add assertions about the kind of
395 declaration we are processing.
396 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
397 (start_decl): Likewise.
398 (finish_decl): Likewise.
399 * c-semantics.c (emit_local_var): Likewise.
400 * calls.c (expand_call): Likewise.
401 * dbxout.c (dbxout_symbol): Likewise.
402 * emit-rtl.c (unshare_all_rtl): Likewise.
403 (unshare_all_decls): Likewise.
404 (reset_used_decls): Likewise.
405 * expr.c (store_constructor): Likewise.
406 (safe_from_p): Likewise.
407 (expand_expr): Likewise.
408 * function.c (put_var_into_stack): Likewise.
409 (instantiate_decls_1): Likewise.
410 (assign_parms): Likewise.
411 (expand_function_start): Likewise.
412 (expand_function_end): Likewise.
413 * ggc-common.c (gcc_mark_trees): Likewise.
414 * integrate.c (function_cannot_inline_p): Likewise.
415 (copy_decl_for_inlining): Likewise.
416 (expand_inline_function): Likewise.
417 (integrate_parm_decls): Likewise.
418 (integrate_decl_tree): Likewise.
419 * print-tree.c (print_node): Likewise.
420 * reg-stack.c (stack_result): Likewise.
421 * stmt.c (label_rtx): Likewise.
422 (expand_return): Likewise.
423 (expand_decl): Likewise.
424 (expand_decl_cleanup): Likewise.
425 (expand_anon_union_decl): Likewise.
426 * toplev.c (check_global_declarations): Likewise.
427 (rest_of_decl_compilation): Likewise.
428 * tree.c (simple_cst_equal): Likewise.
429 * objc/objc-act.c (generate_static_references): Likewise.
430
431 2001-03-14 Zack Weinberg <zackw@stanford.edu>
432
433 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
434 gcc_AC_C_FLOAT_FORMAT): New macros.
435 * configure.in: Add AC_PROG_CPP after CC tests;
436 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
437 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
438 * configure, config.in: Regenerate.
439
440 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
441 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
442 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
443 config/i370/xm-linux.h, config/i370/xm-oe.h,
444 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
445 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
446 config/pa/xm-linux.h, config/pa/xm-pa.h,
447 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
448 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
449 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
450 config/we32k/xm-we32k.h: Delete.
451
452 * config/i370/xm-mvs.h, config/m88k/m88k.h,
453 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
454 config/vax/xm-vms.h: Don't define any of:
455 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
456
457 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
458
459 * config.gcc: Remove references to deleted files.
460 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
461 FATAL_EXIT_CODE, which is the same between oe and mvs).
462
463 2001-03-14 DJ Delorie <dj@redhat.com>
464 Vladimir Makarov <vmakarov@redhat.com>
465
466 * config/i960/i960.c (i960_function_prologue): Compute size of
467 frame according to number of registers actually saved there.
468
469 2001-03-14 Richard Henderson <rth@redhat.com>
470
471 * expr.c (emit_move_insn_1): Fix else if around #endif.
472
473 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
474 Vojtech Pavlik
475
476 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
477 constraints.
478
479 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
480
481 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
482 (override_options): Parse cmodel string.
483 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
484 * i386.h (TARGET_OPTIONS): Add "cmodel".
485 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
486 (enum cmodel): New.
487 (ix86_cmodel_string, ix86_cmodel): Declare.
488
489 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
490
491 Spot by Matt Kraai:
492 * i386.h (GENERAL_REG_P): Add missing REG_P.
493
494 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
495
496 * configure.in: Use $gcc_cv_as instead of $as.
497 * configure: Regenerated.
498
499 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
500
501 * cppfiles.c (stack_include_file): Only increase the include
502 count if we actually process the file properly, as opposed
503 to treating it as length zero. Only call read_include_file
504 if not DO_NOT_REREAD. Handle the -H include file output
505 here.
506 (read_include_file): Remove now redundant DO_NOT_REREAD check.
507 (cpp_included, find_include_file): Simplify pathnames after
508 remapping them. If remapping, don't use the remapped file
509 name's buffer as our scratch buffer.
510 (cpp_pop_file_buffer): Replace the multiple include macro
511 only if it isn't yet set.
512 (read_name_map): Simplify remapped names when reading in.
513 (remap_filename): Move code to code path that uses it.
514 (_cpp_simplify_pathname): Return the input pointer.
515 * cpphash.h (_cpp_simplify_pathname): Update prototype.
516
517 2001-03-14 Mark Mitchell <mark@codesourcery.com>
518
519 * expr.c (expand_expr): Revove bogus conditional.
520
521 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
522
523 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
524
525 2001-03-14 Jakub Jelinek <jakub@redhat.com>
526
527 * reg-stack.c (stack_result): Unconditionally use
528 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
529
530 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
531
532 * expr.c (emit_move_insn_1): Split push of complex value when
533 no suitable push instruction exist.
534
535 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
536 instead of QI_REG_P.
537
538 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
539
540 * alias.c (handled_component_p, can_address_p): New functions.
541 (get_alias_set): Use them.
542
543 2001-03-13 Jim Wilson <wilson@redhat.com>
544
545 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
546 from 80 in try_locals code.
547 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
548
549 2001-03-13 Zack Weinberg <zackw@stanford.edu>
550
551 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
552 gcc_AC_C_LONG_LONG): New.
553 * configure.in: Use them. Probe the size of short, int, long,
554 and long long/__int64 if we have them. Move all the AC_C_*
555 checks together, except gcc_AC_C_CHAR_BIT which has to go
556 after AC_CHECK_HEADERS(limits.h).
557 Take hwint.h out of host_xm_file and build_xm_file.
558
559 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
560 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
561 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
562 Move the HOST_WIDEST_INT setup logic here from system.h.
563 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
564 defined.
565 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
566 is now handled by hwint.h.
567
568 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
569 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
570 config/ia64/xm-ia64.h: Don't define any of:
571 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
572 HOST_BITS_PER_LONGLONG.
573
574 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
575 config/h8300/xm-h8300.h, config/mips/iris6.h,
576 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
577 config/sparc/xm-sp64.h: Delete.
578 * config.gcc: Remove references to deleted files.
579
580 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
581 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
582 * config/i370/xm-linux.h: Clarify floating-point situation in
583 a comment.
584
585 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
586
587 * cppfiles.c (NO_INCLUDE_PATH): New macro.
588 (find_include_file): Decide here which part of the include
589 chain to start the search. Complain about an empty include
590 chain in all cases apart from an abolsute file name.
591 (_cpp_execute_include): Don't choose the search chain here.
592 Don't call handle_missing_include in the case of an empty
593 include chain.
594 (_cpp_compare_file_date): Don't choose the search chain here.
595 * cpplib.c (do_include_next): Move the in-main-file diagnostic
596 here from _cpp_execute_include. Behave like #include if
597 we're in the main file.
598
599 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
600
601 * system.h (malloc, realloc, calloc, strdup): Only poison these
602 tokens when IN_GCC is defined.
603
604 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
605
606 * i386.md (abs?f expander): Support SSE case.
607 (abd?f_if): Add new "USE"; add splitters.
608
609 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
610
611 * cpp.texi (poison): Explain the macro expansion exception.
612
613 2001-03-13 Jakub Jelinek <jakub@redhat.com>
614
615 * expr.c (store_expr): Add dont_store_target. If temp is already in
616 target before copying to reg, don't store it into target again.
617
618 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
619
620 * cppinternals.texi: Update for file handling.
621
622 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
623
624 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
625 2001-02-24 which broke building the Java library.
626 * function.c (identify_blocks): Likewise.
627 (all_blocks): Likewise.
628 * integrate.c (integrate_decl_tree): Likewise.
629 * print-tree.c (print_node): Likewise.
630 * tree.h (BLOCK_NUMBER): Likewise.
631 (struct tree_block): Likewise.
632
633 2001-03-12 David Edelsohn <edelsohn@gnu.org>
634
635 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
636 __WCHAR_TYPE__ definition.
637 (WCHAR_TYPE_SIZE): #undef before #define.
638
639 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
640
641 * cppfiles.c: Update comments.
642 (destroy_include_file_node): Rename destroy_node.
643 (find_or_create_entry): New function.
644 (open_file, _cpp_fake_include): Use it.
645 (handle_missing_header): New function, broken out of
646 _cpp_execute include. Don't segfault if there is no
647 system or quoted path.
648 (_cpp_execute_include): Use handle_missing_header.
649
650 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
651
652 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
653 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
654
655 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
656
657 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
658 unless anti_dependence says they are.
659 * alias.c (objects_must_conflict): If neither has a type specified,
660 they must conflict.
661
662 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
663 David Billinghurst <David.Billinghurst@riotinto.com>
664
665 * config/mips/iris5.h: Change WCHAR_TYPE to int.
666
667 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
668
669 * i386.md (trunctfdf2_2): Rename missnamed pattern.
670 (*_one_bit): Remove type on the match_operand in attributes.
671
672 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
673
674 * i386.c: Commit forgotten hunk in previous patch.
675 (regclass_map): Add extended registers.
676 (dbx_register_map): Add missing frame register.
677
678 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
679
680 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
681
682 * i386.md (x86_sahf_1): Disable for 64bit.
683 (popsi*, pophi*): Likewise.
684 (pushqi, pushhi): Likewise.
685 (movdi, pushdi): Likewise.
686 (zero extend DImode splitter): Likewise.
687 (adddi, minusdi splitter): Likewise.
688 (umulsidi): Likewise.
689 (umulsi): New.
690 (mulsidi): Disable for 64bit
691 (lshift:DI/ashift:DI): Disable for 64bit.
692 (loop patterns): Likewise.
693 (call_pop, call_value_pop expanders and patterns): Likewise.
694 (prologue_get_pc): Likewise.
695 (leave): Likewise.
696 (fcmovDI pattern and splitter): Likewise.
697 (movdfcc_1_rex64): New.
698
699 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
700
701 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
702 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
703 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
704 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
705 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
706 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
707 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
708 (PUSH_ROUNDING): x86_64 rounds to 64bits.
709 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
710 (REGPARM_MAX): Set to 6 for x86_64.
711 (SSE_REGPARM_MAX): Set to 16 for x86_64.
712 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
713 registers.
714
715 * (patterns that does use upper halves): Update constraints
716 'q' to 'Q' and 'r' to 'R'.
717 (cmpqi_ext_1): Disable for 64bit.
718 (cmpqi_ext_3_insn): Likewise.
719 (movqi_extzv_1): Likewsie.
720 (addqi_ext_1): Liekwsie
721 (testqi_ext_1): Liekwsie
722 (andqi_ext_1): Liekwsie
723 (xorqi_ext_1): Liekwsie
724 (cmpqi_ext_1_rex64): New.
725 (cmpqi_ext_3_insn_rex64): Likewise.
726 (movqi_extzv_1_rex64): Likewsie.
727 (addqi_ext_1_rex64): Liekwsie
728 (testqi_ext_1_rex64): Liekwsie
729 (andqi_ext_1_rex64): Liekwsie
730 (xorqi_ext_1_rex64): Liekwsie
731
732 2001-03-11 Zack Weinberg <zackw@stanford.edu>
733
734 * configure.in: Move check for unsigned enumerated bitfields
735 to macro in aclocal.m4. Disable it for now.
736 * configure, config.in: Regenerate.
737 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
738 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
739 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
740 kind above its first use.
741
742 * config/xm-interix.h, config/alpha/xm-alpha.h,
743 config/i370/xm-linux.h, config/i386/xm-beos.h,
744 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
745 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
746 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
747 Don't define ONLY_INT_FIELDS under any circumstances.
748
749 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
750
751 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
752 config/sparc/xm-sysv4.h: Delete - now identical with some
753 other xm header.
754 * config.gcc (hppa targets): Replace xm-pahpux.h and
755 xm-papro.h with implicit xm-pa.h.
756 (sparc targets): Replace xm-sysv4.h with implicit or explicit
757 xm-sparc.h.
758
759 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
760
761 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
762 before reload_cse_noop_set_p.
763
764 2001-03-11 Zack Weinberg <zackw@stanford.edu>
765
766 * config.gcc: Where xm-host.h used to include another
767 xm-host.h, list the nested header directly in xm_file. Remove
768 references to deleted files. Can now use sparc/xm-sp64.h for
769 sparcv9-*-solaris*.
770
771 * config/xm-linux.h, config/arm/xm-linux.h,
772 config/i386/xm-dos.h, config/i386/xm-gnu.h,
773 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
774 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
775 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
776 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
777 Delete.
778
779 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
780 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
781 bother to wrap #undef in #ifdef.
782 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
783 Don't include xm-linux.h.
784 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
785
786 * configure.in: Wrap regexps using [] in changequote block.
787 Use expr : not echo | grep. Simplify regexps.
788 * configure: Regenerate.
789
790 56 xm-files remain, 22 xm-arch.
791
792 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
793
794 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
795 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
796 (local_index, local_rindex): Delete, use strchr/strrchr instead.
797 (copy_object): Fix format specifier vs argument mismatch.
798
799 * mips-tdump.c: Make local functions static.
800 (rindex): Don't #undef.
801 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
802 (fatal, fancy_abort): Delete.
803 (read_seek): Avoid signed/unsigned compare.
804
805 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
806
807 * combine.c (try_combine): Fix error in change to try original
808 register.
809 (gen_rtx_combine): Do same as gen_rtx for now.
810
811 2001-03-11 Zack Weinberg <zackw@stanford.edu>
812
813 * configure.in: AC_SUBST xm_defines.
814 * configure: Regenerate.
815 * Makefile.in: Set DEFINES=$(xm_defines) when building
816 tconfig.h.
817
818 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
819
820 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
821 (cpp_included, find_include_file): Update.
822 (_cpp_compare_file_date): Make else unconditional.
823
824 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
825
826 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
827
828 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
829
830 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
831 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
832
833 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
834
835 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
836 if it's a record type.
837
838 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
839
840 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
841 mingw includes slightly.
842
843 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844
845 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
846 #undef token before poisoning it.
847
848 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
849
850 * alpha.c (check_float_value): Use memcpy, not bcopy.
851
852 * m32r.c (m32r_sched_reorder): Likewise.
853
854 * vax.c (check_float_value): Likewise.
855
856 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
857
858 * toplev.c (file_name_nondirectory): Remove.
859 * toplev.h: Similarly.
860 * dwarf2out.c (compute_section_prefix): Use lbasename instead
861 of file_name_nondirectory.
862
863 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
864
865 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
866 * mips-tfile.c: Don't #undef rindex; not used.
867
868 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
869
870 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
871 (dbx64_register_map): Declare.
872 (RETURN_ADDR_RTX): Fix for 64bit.
873 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
874 (INCOMING_FRAME_SP_OFFSET): Set to 8.
875 * i386.c (dbx64_register_map): New global array.
876 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
877 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
878 for 64bits.
879
880 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
881
882 * cppfiles.c (search_from): Use lbasename.
883 * mkdeps.c (deps_add_default_target): Use lbasename.
884
885 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
886
887 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
888 xcalloc in lieu of malloc, realloc & calloc.
889
890 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
891
892 * gengenrtl.c (xmalloc): Likewise.
893
894 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
895 really_call_* memory allocation routines.
896
897 * stmt.c (check_for_full_enumeration_handling): Use
898 really_call_calloc, not calloc.
899
900 * system.h (really_call_malloc, really_call_calloc,
901 really_call_realloc): Define.
902 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
903
904 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
905
906 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
907
908 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
909
910 * configure: Rebuilt.
911 * configure.in: Only use `lang_requires' for languages athat are
912 actually enabled.
913
914 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
915
916 * invoke.texi: Fix typo.
917 * gcc.1: Regenerate.
918
919 2001-03-09 Zack Weinberg <zackw@stanford.edu>
920
921 * configure.in: Prune nonexistent files from build_xm_file,
922 xm_file, and host_xm_file lists. Warn unless they're
923 $cpu/xm-$cpu.h.
924 Don't generate *config.h here.
925 AC_SUBST all variables needed to generate *config.h.
926 * configure: Regenerate.
927 * mkconfig.sh: New helper script, from code removed from
928 configure.in.
929 * Makefile.in: Zap all MALLOC variables - no longer used
930 anywhere, and malloc.c doesn't exist.
931 Substitute in variables needed to generate *config.h.
932 Stop lying about the dependencies contained in CONFIG_H and
933 GCONFIG_H.
934 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
935 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
936 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
937 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
938 $(TM_P_H), etc. as appropriate.
939
940 * config.gcc: Zap references to deleted files.
941 * ggc-none.c: Don't include rtl.h or tm_p.h.
942
943 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
944 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
945 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
946 config/i386/xm-linux.h, config/i386/xm-linux.h,
947 config/i386/xm-next.h, config/i386/xm-openbsd.h,
948 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
949 Don't include i386/xm-i386.h.
950
951 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
952 config/i386/xm-i386.h, config/i860/xm-i860.h,
953 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
954 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
955 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
956 Delete (empty except comments, #includes of other deleted
957 files, and macros used nowhere).
958
959 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
960
961 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
962 independent on TARGET_FLAGS.
963
964 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
965
966 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
967
968 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
969 extended ones.
970 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
971 TARGET_64BIT.
972 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
973 LAST_REX_SSE_REG): define.
974 (enum reg_class): Add 'LEGACY_REGS'
975 (REG_CLASS_CONTENTS): Likewise; add extended registers.
976 (SSE_REGNO_P): Recognize extended registers.
977 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
978 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
979 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
980 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
981 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
982 REG_OK_FOR_STRREG_P): Remove.
983 (HI_REGISTER_NAMES): Add extended registers.
984 (ADDITIONAL_REGISTER_NAMES): Likewise.
985 (QI_REGISTER_NAMES): Add 8bit extended registers.
986 (DEBUG_REG): Support extended registers.
987 * i386.c (regclass_map): Add extended registers.
988 (dbx_register-map): Likewise.
989 (svr4_dbx_register_map): Likewise.
990 (print_reg): Support extended registers.
991 (print_operand): Support 64bit operands.
992
993 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
994
995 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
996 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
997 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
998 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
999 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1000 STACK_BOUNDARY): Set properly for 64bits.
1001 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1002 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1003 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1004 (MOVE_MAX): Set to 16.
1005 (MOVE_MAX_PIECES): 8 for 64bit.
1006 (Pmode): Set to SImode.
1007
1008 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1009
1010 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1011
1012 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1013
1014 * i386.h (mask_64bit): New constant.
1015 (target_64bit): New macro.
1016 (target_options): Add '64'/'32'
1017 (target_default): Define.
1018 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1019 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1020 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1021
1022 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1023
1024 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1025
1026 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1027
1028 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1029 LO_SUM unless for_alias is set.
1030
1031 2001-03-08 Stan Shebs <shebs@apple.com>
1032
1033 * objc/objc-act.c: Fix old typos in comments, add comments for
1034 various functions.
1035 (hash_init): Fix file name in error message.
1036 (hash_enter): Ditto.
1037 (hash_add_attr): Ditto.
1038 (continue_class): Ditto.
1039
1040 2001-03-08 Bruce Korb <bkorb@gnu.org>
1041
1042 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1043 wait4() can receive the signal.
1044
1045 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1046
1047 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1048 entities.
1049 * fixinc/fixincl.x: Regenerate.
1050
1051 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1052
1053 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1054 on Tru64 UNIX.
1055 * fixinc/fixincl.x: Regenerate.
1056
1057 2001-03-08 Richard Henderson <rth@redhat.com>
1058
1059 * configure.in (HAVE_AS_LEB128): New assembler check.
1060 * configure, config.in: Rebuilt.
1061
1062 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1063
1064 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1065 TFmode too.
1066
1067 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1068
1069 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1070 references to the MAXPATHLEN macro.
1071
1072 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1073 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1074 the POSIX macro.
1075
1076 * config/i386/xm-gnu.h, config/xm-gnu.h,
1077 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1078 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1079 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1080 and/or unused files.
1081
1082 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1083 doing so in various xm-*.h files.
1084
1085 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1086
1087 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1088
1089 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1090
1091 * configure.in (enable_shared): Support per-package shared-library
1092 enabling.
1093 * configure: Rebuilt.
1094
1095 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1096
1097 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1098 for crnot. Set operands[5] in splitter.
1099
1100 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1101
1102 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1103 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1104 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1105 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1106 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1107 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1108 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1109 to the USG macro.
1110
1111 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1112 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1113 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1114 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1115 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1116 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1117 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1118 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1119 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1120 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1121 Delete unused and/or empty files.
1122
1123 * config.gcc: Define USG in xm_defines as appropriate. Define
1124 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1125 macro. Remove deleted xm-* files from $xm_files variable.
1126
1127 2001-03-07 Tom Tromey <tromey@redhat.com>
1128
1129 * configure: Rebuilt.
1130 * configure.in: Allow config-lang.in to set `lang_requires' to list
1131 of other required languages.
1132
1133 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1134
1135 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1136 after its emitted.
1137 (output_prologue): Use xmalloc not oballoc.
1138 (output_epilog): Free a29k_first_epilogue_insn when finished.
1139 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1140
1141 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1142
1143 * builtins.c (expand_builtin_mathfn): Check
1144 flag_unsafe_math_optimizations, not flag_fast_math.
1145 (expand_builtin): Likewise
1146 * combine.c (combine_simplify_rtx): Likewise.
1147 (simplify_if_then_else): Likewise.
1148 * cse.c (fold_rtx): Likewise.
1149 * flags.h: Remove flag_fast_math. Add
1150 flag_unsafe_math_optimizations and flag_trapping_math.
1151 * fold-const.c (negate_expr): Check
1152 flag_unsafe_math_optimizations, not flag_fast_math.
1153 (invert_truthvalue): Likewise.
1154 (fold): Likewise. Before associating operands, check that
1155 code == MULT_EXPR, not code != MULT_EXPR.
1156 * ifcvt.c (noce_try_minmax): Check
1157 flag_unsafe_math_optimizations, not flag_fast_math.
1158 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1159 * invoke.texi: Document -funsafe-math-optimizations and
1160 -fno-trapping-math. Change documentation for -ffast-math.
1161 * jump.c (reversed_comparison_code_parts): Likewise.
1162 (rtx_equal_for_thread_p): Likewise.
1163 * optabs.c (emit_conditional_move): Likewise.
1164 * simplify-rtx.c (simplify_binary_operation): Likewise.
1165 (simplify_relational_operation): Likewise.
1166 (simplify_ternary_operation): Likewise.
1167 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1168 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1169 Add trapping-math and unsafe-math-optimizations entries to f_options.
1170 (set_fast_math_flags): New, sets flags for -ffast-math.
1171 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1172 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1173 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1174
1175 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1176 (alpha_emit_conditional_move): Initialize local_fast_math to
1177 flag_unsafe_math_optimizations, not flat_fast_math.
1178 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1179 instead of setting flag_fast_math to 1.
1180 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1181 not flag_fast_math.
1182 * config/i386/i386.c (override_options): Likewise
1183 * config/i386/i386.md: Likewise.
1184 * config/m68k/m68k.md: Likewise.
1185 * config/mips/mips.md: Likewise.
1186 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1187 (rs6000_generate_compare): Likewise.
1188
1189 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1190
1191 * Makefile.in: Set RANLIB to @RANLIB@.
1192 Remove RANLIB_TEST.
1193
1194 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1195
1196 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1197 * fixinc/fixincl.x: Regenerated.
1198
1199 2001-03-07 Richard Henderson <rth@redhat.com>
1200
1201 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1202
1203 2001-03-07 Richard Henderson <rth@redhat.com>
1204
1205 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1206 of block notes and exception handling notes.
1207
1208 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1209 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1210 (compile_file): ... here.
1211
1212 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1213
1214 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1215
1216 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1217 config.h now. Include libiberty.h to handle alloca.
1218
1219 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1220
1221 * c-parse.in (yylexname): New function, split out of _yylex.
1222 (objc_rid_sans_at): New table.
1223 (init_reswords): Initialize it.
1224 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1225 retrieving the next token and checking it for significance as
1226 an ObjC keyword or string constant.
1227
1228 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1229 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1230
1231 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1232 to CPP_OSTRING.
1233
1234 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1235
1236 * config/m68k/m68k.c (const_uint32_operand): Accept any
1237 const_int on a 32-bit host.
1238
1239 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1240
1241 * objc/objc-act.c (init_objc): Set save_lang_status,
1242 restore_lang_status, and mark_lang_status.
1243
1244 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1245
1246 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1247
1248 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1249
1250 * cppinternals.texi: Update.
1251
1252 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1253
1254 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1255 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1256 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1257 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1258 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1259 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1260 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1261 config/i386/xm-i386.h, config/i860/xm-i860.h,
1262 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1263 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1264 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1265 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1266 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1267 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1268 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1269 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1270 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1271 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1272 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1273 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1274 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1275 match the defaults provided in hwint.h.
1276
1277 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1278 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1279
1280 * config.gcc (xm_file): Don't set to files which are deleted.
1281
1282 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1283 guard this file against these macros being undefined.
1284
1285 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1286
1287 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1288 and DECL_DEFER_OUTPUT on the decl we create, before calling
1289 rest_of_decl_compilation.
1290
1291 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1292
1293 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1294 AC_FUNC_ALLOCA.
1295 * configure, config.in: Regenerate.
1296 * config.gcc: Remove references to deleted files.
1297
1298 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1299 genrecog.c, rtl.c: Do not use alloca anywhere.
1300
1301 * Makefile.in, build-make, system.h, config/x-interix,
1302 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1303 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1304 config/arc/xm-arc.h, config/arm/xm-arm.h,
1305 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1306 config/h8300/xm-h8300.h, config/i370/x-oe,
1307 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1308 config/i386/x-ncr3000, config/i386/x-sco5,
1309 config/i386/xm-dgux.h, config/i860/x-sysv4,
1310 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1311 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1312 config/m68k/x-hp320g, config/m69k/x-mot3300,
1313 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1314 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1315 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1316 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1317 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1318 config/mips/x-iris, config/mips/x-iris3,
1319 config/mips/x-sni-svr4, config/mips/x-sysv,
1320 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1321 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1322 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1323 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1324 config/pa/xm-papro.h, config/romp/xm-romp.h,
1325 config/rs6000/x-aix31, config/rs6000/x-aix41,
1326 config/rs6000/x-beos, config/rs6000/x-lynx,
1327 config/rs6000/x-mach, config/rs6000/x-rs6000,
1328 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1329 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1330 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1331 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1332 config/vax/xm-vms.h: Eradicate all references to alloca and
1333 related stuff.
1334
1335 * config/xm-alloca.h, config/clipper/x-clix,
1336 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1337 config/i860/x-sysv3, config/m88k/x-sysv3,
1338 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1339 (contained only alloca related hacks).
1340
1341 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1342 USE_C_ALLOCA.
1343
1344 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1345
1346 * invoke.texi: Document __FAST_MATH__.
1347
1348 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1349
1350 * crtstuff.c: Restore include of auto-host.h.
1351
1352 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1353
1354 Put main() in a separate file, so that the language
1355 front-end can use a different main().
1356
1357 * main.c: New.
1358 * toplev.c: (main): Rename as toplev_main.
1359 * toplev.h: Declare toplev_main.
1360 * Makefile.in (OBJS): add toplev.o.
1361 (BACKEND): remove toplev.o, add main.o.
1362
1363 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1364
1365 * cppfiles.c (search_from): Special case the empty string.
1366
1367 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1368
1369 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1370 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1371 strlen or strcpy; we already know the length.
1372 (_cpp_compare_file_date): Similarly.
1373 * cpphash.h (struct cpp_reader): Delete done_initialising.
1374 (CPP_PREV_BUFFER): Delete.
1375 * cppinit.c (cpp_start_read): Don't set done_initialising.
1376 * cpplex.c (parse_string): Guarantee null-termination.
1377 (_cpp_equiv_toklists): Remove.
1378 * cpplib.c (glue_header_name): Null-terminate.
1379 (do_line): Don't leak memory.
1380 * cpplib.h (BT_WEAK): Delete.
1381 * cppmain.c (cb_ident): Strings are now null-terminated.
1382
1383 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1384
1385 * gcc.c (convert_filename): Append executable suffix
1386 if NO_AUTO_EXE_SUFFIX is not defined.
1387 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1388 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1389
1390 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1391
1392 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1393 * c-parse.gperf, c-gperf.h: Delete.
1394 (c-gperf.h was accidently re-added to the CVS repo in the rev
1395 1.16 commit by tromey)
1396
1397 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1398
1399 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1400 macro arguments when looking for the '('.
1401 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1402 2 when really parsing arguments; 1 when looking for '('.
1403 Always restore the lexer position.
1404
1405 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1406
1407 * longlong.h (umul_ppmm): Don't use a multiline string.
1408
1409 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1410
1411 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1412 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1413 t_bool in declaration because pcc can't combine volatile with typedef
1414 types.
1415
1416 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1417
1418 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1419 until when it is really needed.
1420 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1421 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1422 * i386.md (float?i?f splitter): Don't force source operand to memory
1423 for SSE.
1424 (sse_movdfcc): Fix constraint.
1425 (sse_movdfcc splitter): Handle properly the second alternative.
1426
1427 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1428
1429 * cpplex.c (parse_string): Unconditionally pedwarn.
1430
1431 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1432
1433 * cpp.texi: Update.
1434 * cppexp.c (parse_number): Update.
1435 * cpplex.c (parse_string): Pedwarn if multiline string does not
1436 result from a system header's macro.
1437 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1438 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1439 for function-like macros too.
1440 * c-lex.c (lex_number): Update.
1441
1442 2001-03-03 Richard Henderson <rth@redhat.com>
1443
1444 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1445
1446 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1447
1448 * combine.c (try_combine): If split with mode-changed scratch
1449 register didn't work, try the original mode.
1450
1451 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1452
1453 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1454 * config/c4x/c4x.h: Likewise.
1455 * stor-layout.c (compute_record_mode): Likewise.
1456 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1457
1458 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1459
1460 * configure.in: Kill tm.h. Include the files in the $tm_file
1461 list in all three of config.h, hconfig.h, tconfig.h, after the
1462 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1463 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1464 * configure: Regenerate.
1465 * Makefile.in (clean): Don't delete tm.h.
1466
1467 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1468 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1469 those are not defined, set SEC and FEC to 0 and 1.
1470 * gcc.texi: Update to match.
1471
1472 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1473 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1474 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1475 Include tconfig.h, not tm.h.
1476
1477 * config/xm-lynx.h, config/xm-std32.h,
1478 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1479 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1480 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1481 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1482 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1483 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1484 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1485 config/i386/xm-i386.h, config/i860/xm-i860.h,
1486 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1487 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1488 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1489 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1490 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1491 config/pa/xm-linux.h, config/pa/xm-pa.h,
1492 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1493 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1494 config/pj/xm-pj.h, config/romp/xm-romp.h,
1495 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1496 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1497 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1498 config/v850/xm-v850.h, config/vax/xm-vax.h,
1499 config/we32k/xm-we32k.h:
1500 Don't include tm.h.
1501 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1502
1503 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1504 config/i370/xm-oe.h: Don't include tm.h. Don't define
1505 SUCCESS_EXIT_CODE.
1506 * config/vax/xm-vms.h: Don't include tm.h.
1507
1508 * config/xm-lynx.h, config/avr/xm-avr.h,
1509 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1510 Delete; made empty by above changes.
1511 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1512 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1513 Don't include config/xm-lynx.h or tm.h.
1514
1515 * config/xm-gnu.h: Don't include fcntl.h.
1516 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1517 sys/wait.h.
1518 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1519
1520 2001-03-02 Richard Henderson <rth@redhat.com>
1521
1522 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1523 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1524
1525 2001-03-02 Richard Henderson <rth@redhat.com>
1526
1527 * Makefile.in (OBJS): Add dwarf2asm.o.
1528 * dwarf2asm.c, dwarf2asm.h: New files.
1529 * dwarf2out.c (*): Use them.
1530 (size_of_uleb128, size_of_sleb128): Remove.
1531 (output_uleb128, output_sleb128): Remove.
1532 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1533 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1534 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1535 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1536 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1537 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1538 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1539 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1540 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1541 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1542 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1543 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1544 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1545 (dwarf2out_frame_debug): Remove unused variables.
1546 (output_loc_operands): Don't abort on 8 byte constants if
1547 host integers are wide enough.
1548 (output_symbolic_ref): Remove.
1549 (size_of_die): Don't assume 4 byte host integers.
1550 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1551 and end labels.
1552 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1553 something stupid with HOST_WIDE_INT to long truncation.
1554 [CONST_DOUBLE]: Likewise.
1555
1556 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1557 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1558 * config/arm/unknown-elf.h: Likewise.
1559 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1560 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1561 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1562 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1563 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1564 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1565 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1566 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1567 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1568 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1569 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1570 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1571
1572 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1573
1574 * cselib.c (hash_rtx): Cast enums to unsigned int.
1575
1576 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1577
1578 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1579 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1580 shifts.
1581 * c-format.c (C_STD_VER): Cast to int for comparisons.
1582 (check_function_format): Cast various enums to int for &.
1583 (maybe_read_dollar_number): Likewise.
1584 (check_format_info): Likewise.
1585 (check_format_info_main): Likewise.
1586 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1587 (safe_from_p): Likewise.
1588 * varasm.c (const_hash): Cast enum to int for %.
1589 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1590 pcc enum problems with < and ++ operators.
1591 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1592 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1593 (regclass_init): Change enum class to int to iterate over reg_classes.
1594 * genrecog.c (merge_trees): Cast enums for comparison.
1595 * rtl.h (GET_CODE): Cast to enum rtx_code.
1596 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1597 (GET_MODE): Cast to enum machine_mode.
1598 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1599 (GET_NOTE_INSN_NAME): Cast enum to int.
1600 * tree.h (TREE_CODE): Cast to enum tree_code.
1601 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1602 * timevar.c (timevar_print): Change loop variable id from enum to
1603 unsigned int.
1604 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1605 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1606 * toplev.c (compile_file): Cast enum DFI to int.
1607 (decode_d_option): Likewise.
1608
1609 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1610
1611 * cppinit.c (append_include_chain): Mark "after" include file name list
1612 as a system directory.
1613 * cpp.texi: Document new behavior.
1614
1615 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1616
1617 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1618
1619 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1620
1621 * cppfiles.c (struct include_file): Update.
1622 (stack_include_file): Use search_from.
1623 (cpp_included, find_include_file): Update.
1624 (cpp_execute_include): Update. ptr->name may not be
1625 null terminated. Use the new search_from member variable
1626 of cpp_buffer.
1627 (_cpp_compare_file_date): Similarly.
1628 (search_from): New function, similiar to actual_directory.
1629 (actual_directory): Delete.
1630 (remap_filename): Update. loc->name may not be null terminated.
1631 (struct file_name_list): Rename search_path. Update.
1632 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1633 search_from and dir.
1634 (struct cpp_reader): Remove actual_dirs.
1635 * cppinit.c (struct cpp_pending): Update for renamed objects.
1636 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1637 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1638 * cpplib.h (struct cpp_options): Similarly.
1639
1640 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1641
1642 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1643 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1644 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1645 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1646 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1647 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1648 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1649 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1650 config/i370/xm-oe.h, config/i386/xm-aix.h,
1651 config/i386/xm-i386.h, config/i386/xm-osf.h,
1652 config/i860/xm-i860.h, config/i960/xm-i960.h,
1653 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1654 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1655 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1656 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1657 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1658 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1659 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1660 config/pj/xm-pj.h, config/romp/xm-romp.h,
1661 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1662 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1663 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1664 config/v850/xm-v850.h, config/vax/xm-vax.h,
1665 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1666 Do not define TRUE or FALSE.
1667
1668 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1669 empty by above change.
1670 * config.gcc: Remove references to these files.
1671
1672 * configure.in: Detect stdbool.h.
1673 * configure, config.in: Regenerate.
1674 * system.h: Include stddef.h here if available.
1675 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1676 Then set up a sensible boolean type at the very end.
1677
1678 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1679 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1680
1681 * hash.h: Delete 'boolean' typedef and related #undefs.
1682
1683 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1684 all uses of 'boolean' with 'bool'.
1685
1686 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1687
1688 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1689 * cppexp.c (lex): Cast enums for comparison.
1690 * cppinit.c (parse_option): Cast enum for comparison.
1691 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1692 (cpp_output_token): Likewise.
1693 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1694 (cpp_avoid_paste): Cast enums for minus and comparison.
1695
1696 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1697
1698 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1699 field to all array elements.
1700
1701 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1702
1703 * cpphash.h (struct cpp_reader): Add print_version field.
1704 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1705 just set print_version and other flags as appropriate.
1706 (cpp_post_options): Print version here if print_version is set.
1707
1708 * toplev.c (exit_after_options): New flag.
1709 (independent_decode_option): Don't exit here; just set
1710 exit_after_options.
1711 (main): Exit after calling lang_hooks.post_options if
1712 exit_after_options is true.
1713
1714 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1715 (merge_include_chains): Adjust comment to match code.
1716
1717 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1718
1719 * stringpool.c (set_identifier): New function.
1720 * tree.h: Prototype it.
1721
1722 * c-parse.in: Kill D_YES. If compiled for objc, call
1723 save_and_forget_protocol_qualifiers from init_reswords.
1724 * objc/objc-act.c (remember_protocol_qualifiers,
1725 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1726 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1727 vice versa.
1728 (save_and_forget_protocol_qualifiers): New function.
1729 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1730
1731 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1732
1733 * c-semantics.c (prune_unused_decls): Return error_mark_node
1734 instead of (tree) 1 to stop traversing the tree chain.
1735
1736 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1737
1738 Fix a problem introduced by Kenner's Feb 18 change.
1739 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1740 flag_cse_skip_blocks only temporarily, not for ever.
1741
1742 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1743
1744 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1745 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1746
1747 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1748 before determining its register class.
1749
1750 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1751
1752 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1753 from reg 4 if current_function_calls_setjmp.
1754 (gen_nop_type): New function.
1755 (ia64_emit_nops): New function.
1756 (ia64_reorg): Call it.
1757 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1758
1759 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1760 code not to try to optimize adds with anything but a REG destination.
1761
1762 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1763 (INSN_PRIORITY_KNOWN): New accessor macro.
1764 * haifa-sched.c (priority): Use it instead of testing priority against
1765 zero.
1766
1767 2001-02-28 DJ Delorie <dj@redhat.com>
1768
1769 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1770 since that doesn't work the way gcc wants on a generic m68k.
1771
1772 2001-02-28 Richard Henderson <rth@redhat.com>
1773
1774 * caller-save.c (save_call_clobbered_regs): Fix typo in
1775 comparison last change.
1776
1777 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1778
1779 * i386.c (pentium4_cost): New.
1780 (m_PENT4): New macro.
1781 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1782 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1783 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1784 x86_memory_mismatch_stall): Add Pentium4
1785 (x86_use_q_reg, x86_use_any_reg): Kill.
1786 (override_options): Add pentium4.
1787 (incdec_operand): Return 0 for pentium4.
1788 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1789 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1790 (TARGET_PENTIUM4): Define.
1791 (enum processor_type): Add PROCESSOR_PENTIUM4.
1792 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1793 * i386.md (attribute "cpu"): Add pentium4.
1794 * invoke.texi (march): Add pentium4.
1795
1796 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1797
1798 * i386.md (sse_mov?fcc*): New patterns and splitters.
1799 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1800 the SSE based conditional moves.
1801
1802 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1803
1804 * i386.md (attribute mode): Add "TI".
1805 (movsf_1): Add pxor support; remove constant propagation splitter.
1806 (movdf_integer): Likewise.
1807 (movdf_nointeger): Likewise.
1808 (movxf constant prop splitter): Handle all modes; update for SSE.
1809 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1810 * i386.c (standard_80387_constant_p): Rewrite.
1811 (standard_sse_constant_p): New.
1812 * i386-protos.h (standard_sse_constant_p): New.
1813
1814 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1815
1816 * i386.md (sse_setccsf, sse_setccdf): New.
1817 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1818 flag directly.
1819 * i386.c (sse_comparison_operator): Accept the supported unordered
1820 comparses; be ready for fast_math.
1821 (print_operand): Support 'D'.
1822
1823 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1824
1825 * jump.c (reversed_comparison_code): Kill.
1826
1827 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1828
1829 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1830 for STACK_REGS
1831
1832 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1833
1834 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1835 add missing '%' in constraints.
1836
1837 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1838
1839 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1840 for HOST_BITS_PER_WIDE_INT == 32 too.
1841
1842 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1843
1844 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1845 NREGS.
1846 (insert_save, insert_restore): New parameter save_mode.
1847 (init_caller_save): Update initialization of reg_save_code
1848 and reg_restore_code.
1849 (save_call_clobbered_regs): Compute save_modes and update calls to
1850 reg_save_code and reg_restore_code.
1851 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1852 of spill; update use of reg_restore_code.
1853 (insert_save): Likewise.
1854 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1855 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1856 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1857
1858 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1859
1860 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1861 noce_try_store_flag_inc, noce_try_store_flag_mask,
1862 noce_try_cmove_arith):
1863 Use reversed_comparison_code instead of reverse_comparison and
1864 can_reverse_comparison_p.
1865
1866 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1867
1868 * jump.c (reversed_comparison_code_parts): Allow reversal of
1869 unordered compares in -ffast-math mode; reverse ordered compares
1870 for FP even w/o -ffast-math.
1871
1872 2001-02-27 Richard Henderson <rth@redhat.com>
1873
1874 * print-rtl.c (print_rtx) [i]: Don't print field five on
1875 NOTEs other than NOTE_INSN_DELETED_LABEL.
1876
1877 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1878
1879 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1880 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1881
1882 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1883
1884 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1885 even if walk_subtrees is 0.
1886 * c-semantics.c (prune_unused_decls): Return a non-null value to
1887 stop traversing the tree chain.
1888
1889 2001-02-27 DJ Delorie <dj@redhat.com>
1890
1891 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1892 register, *then* define it as the new CFA.
1893
1894 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1895
1896 * pa.c (override_options): Promote -fpic to -fPIC.
1897 (legitimize_pic_address): Simplify due to removal of
1898 small PIC as a code generation option.
1899 (secondary_reload_class): Similarly.
1900 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1901 (PRINT_OPERAND_ADDRESS): Similarly.
1902 * pa.md (various patterns): Similarly.
1903 (small pic lo_sum pattern): Remove.
1904
1905 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1906 Fergus Henderson
1907
1908 * md.texi (min, max): Document
1909
1910 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1911
1912 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1913 TARGET_PARTIAL_REG_DEPENDENCY.
1914 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1915
1916 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1917
1918 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1919
1920 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1921
1922 * mips.c (mips_make_temp_file): Fix thinko in last change.
1923
1924 2001-02-26 Jason Eckhardt <jle@redhat.com>
1925
1926 * combine.c (known_cond): Do not reverse the condition when
1927 SMAX/UMAX is being considered and the condition is for equality
1928 or inequality.
1929
1930 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1931
1932 2001-02-26 Philip Blundell <philb@gnu.org>
1933
1934 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1935 "armv2-*-linux".
1936 * config/arm/linux-elf.h: Remove historical relics related to
1937 above configurations.
1938 * config/arm/linux-oldld.h: Delete.
1939 * config/arm/linux-elf26.h: Delete.
1940
1941 2001-02-26 Jason Merrill <jason@redhat.com>
1942
1943 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1944 definitions.
1945 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1946 recognize a tentative definition. Lose obsolete code.
1947
1948 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1949 variables unless necessary, either.
1950
1951 2001-02-25 Richard Henderson <rth@redhat.com>
1952
1953 * ifcvt.c (struct noce_if_info): Add test_bb.
1954 (noce_get_alt_condition): New.
1955 (noce_try_minmax, noce_try_abs): New.
1956 (noce_operand_ok): New.
1957 (noce_process_if_block): Use them.
1958 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
1959
1960 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
1961
1962 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
1963 include.
1964
1965 2001-02-25 Zack Weinberg <zackw@stanford.edu>
1966
1967 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
1968 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
1969 properly.
1970 (mips_asm_file_end): Free temp_filename here.
1971
1972 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1973
1974 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
1975 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
1976
1977 * config/i386/i386.md (movstrsi): Handle FAIL case.
1978
1979 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
1980
1981 * cppinit.c (builtin_array): Update.
1982 (init_builtins): Flag builtins to warn if redefined or
1983 undefined. Define __GXX_WEAK as a normal macro.
1984 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
1985 * cpplib.h (NODE_WARN): New flag.
1986 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
1987 Handle __STDC__ as a builtin only on Solaris.
1988 (warn_of_redefinition): Renamed from check_macro_definition.
1989 Reverse sense of test. Always warn if NODE_WARN.
1990 (_cpp_create_definition): Use warn_of_redefinition. Flag
1991 any macro beginning with "__STDC_" to require a mandatory
1992 warning if redefined or undefined.
1993
1994 2001-02-24 Zack Weinberg <zackw@stanford.edu>
1995
1996 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
1997 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
1998 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
1999 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2000 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2001 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2002 Don't define any of:
2003 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2004 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2005 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2006 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2007 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2008
2009 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2010 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2011 definitions.
2012
2013 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2014 Delete now-empty file.
2015
2016 * alpha/vms.h: Define NEED_ATEXIT here...
2017 * alpha/xm-vms.h: ...not here.
2018
2019 * i386/cygwin.h: Don't define PARAMS.
2020 * mips/mips.c: Don't prototype mktemp. Don't define
2021 P_tmpdir. Use make_temp_file to create temporary files.
2022 Don't be clever and delete temporary files early.
2023 * config.gcc: Drop references to deleted files. Don't define
2024 FULL_PROTOTYPES.
2025 * gcc.texi: Don't mention USE_PROTOTYPES.
2026
2027 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2028
2029 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2030 (ix86_set_move_mem_attrs_1): Likewise.
2031 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2032 * config/i386/i386.md (movstrsi): Call it.
2033
2034 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2035
2036 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2037 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2038 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2039 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2040
2041 (i750a-*-*): Error here if hosting on i750a.
2042 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2043
2044 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2045 Remove (empty modulo comments).
2046
2047 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2048 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2049 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2050 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2051 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2052 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2053
2054 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2055 Remove reference to winnt.h in comment.
2056 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2057
2058 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2059
2060 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2061 used to set another biv.
2062
2063 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2064
2065 * tree.h (BLOCK_DEAD): New macro.
2066 (struct tree_block): New flag, dead_flag.
2067 * print-tree.c (print_node, case 'b'): Print missing fields.
2068 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2069 * function.c (identify_blocks): Enable test for misplaced notes.
2070 (all_blocks): Skip BLOCK_DEAD blocks.
2071 * integrate.c (integrate_decl_tree): Likewise.
2072
2073 * errors.c (internal_error, trim_filename): New functions.
2074 (fancy_abort): Call internal_error.
2075 * errors.h (internal_error, trim_filename): New declarations.
2076
2077 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2078
2079 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2080 2000-08-26's patch.
2081 (EXTRA_CONSTRAINT): Formatting changes.
2082
2083 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2084
2085 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2086
2087 2001-02-23 Per Bothner <per@bothner.com>
2088
2089 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2090 so they can be called from java/jvspec.c.
2091 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2092
2093 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2094
2095 * i386.c (ix86_frame): New structure.
2096 (ix86_compute_frame_size): Kill.
2097 (ix86_compute_frame_layout): New.
2098 (ix86_save_reg): New.
2099 (ix86_can_use_return_insn_p): Use frame layout stuff.
2100 (ix86_expand_prologue): Likewise.
2101 (ix86_expand_epilogue): Likewise.
2102 (ix86_initial_elimination_offset): Likewise.
2103 (ix86_nsaved_regs): Use ix86_save_reg.
2104 (ix86_emit_save_regs): Likewise.
2105
2106 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2107
2108 * flow.c (find_sub_basic_blocks): New function.
2109 (split_block): Be ready for basic block introduced by CODE_LABEL.
2110 (commit_one_edge_insertion): Call find_sub_basic_block.
2111
2112 * flow.c (make_edges): Add edge from entry for blocks starting with
2113 label having ALTERNATE_NAME
2114
2115 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2116
2117 * function.c (epilogue_done): Be ready for first basic block not
2118 containing PROLOGUE_END note.
2119 (reposition_prologue_and_epilogue_notes): Avoid placing
2120 PROLOGUE_END note between BASIC_BLOCK.
2121
2122 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2123
2124 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2125
2126 2001-02-21 DJ Delorie <dj@redhat.com>
2127
2128 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2129 check for current_function_has_nonlocal_goto from 1999-11-12.
2130
2131 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2132
2133 * diagnostic.c (trim_filename): No longer static.
2134 * toplev.h (trim_filename): Declare.
2135 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2136 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2137 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2138 (rtvec_check_failed_bounds): Likewise.
2139 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2140
2141 * convert.c (convert_to_integer): Don't do unsigned unless result or
2142 both inputs are unsigned.
2143
2144 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2145 input overflows.
2146
2147 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2148
2149 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2150
2151 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2152
2153 * Makefile.in (resource.o): Add params.h dependence.
2154 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2155 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2156 * resource.c: Add dependence on params.h.
2157 (current_live_regs): Fix explanatory comment.
2158 (find_basic_block): Add new parameter to permit limiting search
2159 for a BARRIER.
2160 (mark_target_live_regs): Add new argument to find_basic_block call.
2161 (incr_ticks_for_insn): Likewise.
2162
2163 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2164
2165 * diagnostic.c (output_to_stream): Rename to
2166 output_buffer_to_stream. Loses the stream parameter.
2167 (init_output_buffer): Set diagnosic_buffer's stream.
2168 (flush_diagnostic_buffer): Adjust.
2169 (default_print_error_function): Likewise.
2170 (finish_diagnostic): Likewise.
2171 (verbatim): Likewise.
2172
2173 * diagnostic.h (struct output_buffer): Add `stream' field.
2174 (output_buffer_attached_stream): New macro.
2175
2176 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2177
2178 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2179 check if either operand is divisible by C.
2180 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2181 If type is signed, consider negative numbers as well.
2182
2183 2001-02-22 Richard Henderson <rth@redhat.com>
2184
2185 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2186 reach .text instead of gp-relative relocs.
2187 * config/ia64/crtend.asm (.init): Likewise.
2188
2189 2001-02-22 Andreas Jaeger <aj@suse.de>
2190
2191 * extend.texi (C++ Attributes): Fix typo.
2192
2193 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2194
2195 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2196 functions, drop current_function_args_info.words test.
2197 (ia64_compute_frame_size): Mark syscall_linkage functions as
2198 using eight input registers.
2199
2200 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2201 Bruce Korb <bkorb@gnu.org>
2202
2203 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2204 * fixinc/README: Document how to convert sed substitutions
2205 to format style c_fix-es.
2206 * fixinc/fixincl.x: regen
2207
2208 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2209
2210 * gcc.c: Add comment explaining how to add a command-line option.
2211 Add title to specs language comment.
2212
2213 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2214
2215 * gcc.c (cc1_options): Add "-param".
2216 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2217 (option_map): Likewise.
2218 * toplev.c (display_help): Add entry for "--param".
2219 (independent_decode_option): Fix typographical error.
2220
2221 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2222 Bernd Schmidt <bernds@redhat.com>
2223 Jan Hubicka <jh@suse.cz>
2224
2225 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2226 (function_arg): Likewise.
2227
2228 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2229
2230 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2231
2232 2001-02-21 Kazu Hirata <kazu@hxi.com>
2233
2234 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2235 character.
2236 (xorsi3): Likewise.
2237
2238 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2239
2240 * flow.c (init_propagate_block_info): Canon address and use single_set
2241 for killing dead memory stores.
2242
2243 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2244
2245 * Makefile.in (reorg.o): Add params.h dependence.
2246 * params.def: Fix typographical error in comment.
2247 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2248 * params.h: Modify introductory comment.
2249 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2250 * reorg.c: Add dependence on params.h.
2251 (redundant_insn): Add parameterized throttle for search.
2252 (fill_simple_delay_slots): Add a comment explaining a variable.
2253 Move conditional out of loop, simplifying code.
2254 (fill_eager_delay_slots): Fix typographical error in comment.
2255
2256 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2257
2258 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2259
2260 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2261 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2262
2263 2001-02-21 Jason Merrill <jason@redhat.com>
2264
2265 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2266 (struct tree_decl): Add uninlinable bitfield.
2267 * c-decl.c (duplicate_decls): Set it.
2268 * integrate.c (function_cannot_inline_p): Check it.
2269
2270 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2271 DW_AT_MIPS_linkage_name to abstract methods.
2272 (dwarf2out_abstract_function): Emit class context before calling
2273 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2274 (gen_subprogram_die): Remove obsolete code.
2275 (gen_member_die): Don't include clones in the member list.
2276 (gen_decl_die): Emit abstract info for clone origin.
2277 * dwarfout.c (output_type): Don't include clones in the member list.
2278 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2279 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2280 DECL_ABSTRACT on a function that already has it set.
2281
2282 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2283 (get_subprogram_die): Pass it in.
2284
2285 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2286
2287 * flow.c (mark_set_1): Make not_dead unsigned long. For
2288 non-pseudos, use it as a bitmask of the hard regs that
2289 don't die.
2290
2291 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2292
2293 * cppfiles.c: Update comments.
2294 (_cpp_read_file): Don't check for NULL filenames any more.
2295 * cppinit.c (cpp_start_read): Don't do canonicalization of
2296 in_fname and out_fname. Use the passed file name exclusively.
2297 (_cpp_handle_options): Don't treat "-" as a command line option,
2298 but as a normal filename.
2299 (_cpp_post_options): Canonicalize in_fname and out_fname.
2300 * cppmain.c (printer_init): Don't check out_fname for NULL.
2301 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2302 (init_c_lex): Update, and use "" to represent stdin to CPP.
2303 (yyparse): Update.
2304
2305 2001-02-20 Will Cohen <wcohen@redhat.com>
2306
2307 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2308 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2309 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2310 fixunstfsi_libfunc.
2311
2312 2001-02-20 Stan Shebs <shebs@apple.com>
2313
2314 * config/rs6000/rs6000.c (output_cbranch): Output branches
2315 on separate lines instead of using ';' to separate.
2316
2317 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2318
2319 * cppinit.c (set_lang): Move builtin handling to...
2320 (init_builtins): ...here.
2321 (_cpp_create_reader): Move call to set_lang.
2322
2323 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2324
2325 * stmt.c (expand_return): If an attempt is made to return the
2326 error_mar_node, treat the return like a return without a value.
2327
2328 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2329
2330 * sibcall.c (skip_copy_to_return_value): Call
2331 identify_call_return_value here, and return orig_insn if it
2332 returns zero. Hardret and softret arguments now unnecessary.
2333 (call_ends_block_p): Don't call identify_call_return_value here.
2334
2335 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2336 's' slots in RTXen.
2337 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2338 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2339
2340 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2341
2342 * pa.c (move_operand): Accept code to load the address of a
2343 symbol out of the DLT as a valid move operand.
2344 (print_operand, case 'A'): New to handle generating a DLT
2345 reference for a LO_SUM expression.
2346 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2347 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2348
2349 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2350
2351 * README, cpp.texi, gcc.texi, version.c: Update version number to
2352 3.1.
2353 * cpp.1, gcov.1, gcc.1: Regenerate.
2354
2355 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2356
2357 * cppfiles.c (stack_include_file): Generate dependencies
2358 here, and manage include_count here too.
2359 (PRINT_THIS_DEP): Delete.
2360 (_cpp_execute_include): Do not generate dependencies here,
2361 apart from the case of a missing header. Do not manage
2362 include_count.
2363 (_cpp_read_file): Leave dependency generation to
2364 stack_include_file.
2365
2366 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2367
2368 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2369 target_cpu_default. Remove dead assignment to
2370 target_cpu_default.
2371
2372 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2373
2374 * regclass.c (contains_reg_of_mode): Make global.
2375 (init_reg_sets): Remove contains_reg_of_mode; take into account
2376 CLASS_MAX_NREGS when looking for the proper mode.
2377 (dump_regclass): Dump only classes considered for the pseudo.
2378 (regclass): Use contains_reg_of_mode.
2379
2380 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2381
2382 * gcc.c (do_spec_1): 'n' for printing notices.
2383 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2384
2385 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2386
2387 * reg-stack.c (next_flags_user): Use current_block->end
2388 (swap_rtx_condition): Look for next user if flags don't die;
2389 give up on CALL_INSNs; use current_block->end.
2390
2391 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2392
2393 * sibcall.c (call_ends_block_p): New function.
2394 (optimize_sibling_and_tail_recursive_call): Use it.
2395
2396 2001-02-18 Kazu Hirata <kazu@hxi.com>
2397
2398 * config/h8300/h8300.md: Update copyright.
2399 (andsi3): Do not output an extra newline character.
2400
2401 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2402
2403 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2404 FNDECL may be unused.
2405
2406 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2407 follow jumps after first run.
2408 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2409 it doesn't change any jumps.
2410
2411 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2412
2413 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2414 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2415 (mostlyclean): Corresponding changes.
2416 * rtlanal.c (hard-reg-set.h): Include.
2417 (rtx_unstable_p): Do not treat the argument pointer specially
2418 if it is not a fixed register.
2419 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2420
2421 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2422
2423 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2424 against last real insn in basic block.
2425 Rework to avoid gotos.
2426
2427 * Makefile.in (gcse.o): Now includes ggc.h.
2428 * gcse.c: Include ggc.h.
2429 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2430 (try_replace_reg): Remove warning of uninitialize variable.
2431 (process_insert_insn): Call invalid_insn_p to validate insn.
2432 * recog.c (insn_invalid_p): Now global.
2433 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2434 * recog.h (insn_invalid_p): New declaration.
2435
2436 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2437
2438 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2439 assignments from FP constants since 'Y' output code can't handle it.
2440 (eligible_for_sibcall_delay): Likewise.
2441
2442 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2443 Call fancy_abort directly, passing args.
2444 (print_rtl_and_abort): Now a macro, like fancy_abort.
2445
2446 * final.c (output_operand_lossage): Use internal_error, not error.
2447
2448 2001-02-18 Shane Nay <shane@agendacomputing.com>
2449
2450 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2451 structure shift insns.
2452
2453 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2454
2455 * invoke.texi (-fsquangle): Remove documentation.
2456 (-fname-mangling-version): Likewise.
2457
2458 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2459
2460 * optabs.c (expand_abs): Remove reference to
2461 HAVE_contitional_arithmetic.
2462 * combine.c (simplify_set): Likewise.
2463
2464 2001-02-18 Richard Henderson <rth@redhat.com>
2465
2466 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2467 would be disrupted.
2468
2469 2001-02-18 Richard Henderson <rth@redhat.com>
2470
2471 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2472
2473 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2474
2475 * reload1.c (reload_cse_simplify_set): Fix typo.
2476
2477 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2478
2479 * diagnostic.c (_fatal_insn): Decrement errorcount.
2480
2481 * invoke.texi (-I): Add note avoiding use for system header files.
2482
2483 * rtl.h (add_clobbers): Remove duplicate declaration.
2484 * recog.h (added_clobbers_hard_reg_p): New declaration.
2485 * genemit.c (struct clobber_pat): New field has_hard_reg.
2486 (gen_insn): Record if added clobbers clobber hard reg.
2487 (gen_split): Avoid unused warning if number of operands is 0.
2488 (output_added_clobbers_hard_reg_p): New function.
2489 (main): Call it.
2490
2491 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2492
2493 * pa.c (hppa_expand_prologue): Simplify code storing return
2494 pointer. For large (>=8k) frames with a post_store, adjust stack
2495 pointer by 8k-64 first rather than by 64. When testing with
2496 VAL_14_BITS_P, always use the actual value rather than the value
2497 negated. Add blockage to prevent scheduling of spills before
2498 stack frame has been created.
2499 (hppa_expand_epilogue): Simplify code loading return pointer.
2500 Allow a slightly larger range for merge_sp_adjust_with_load case.
2501 When testing with VAL_14_BITS_P, always use the actual value.
2502
2503 * pa.c (pa_adjust_insn_length): Check that block move
2504 pattern is a set before looking at operands.
2505
2506 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2507
2508 * fold-const.c (fold_binary_op_with_conditional_arg): New
2509 function, split out from ...
2510 (fold): ... here.
2511 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2512 conditional arms that throw exceptions.
2513
2514 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2515 looking at a BLOCK.
2516
2517 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2518
2519 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2520 define HAVE_DECL_* to 1 to mask potential backup declarations.
2521 * configure: Regenerated.
2522
2523 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2524
2525 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2526
2527 2001-02-17 Richard Henderson <rth@redhat.com>
2528
2529 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2530 when replacing a memory load with a register.
2531
2532 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2533 Jan Hubicka <jh@suse.cz>
2534
2535 * recog.c (validate_replace_src_1): New.
2536 (validate_replace_src_data): Likewise.
2537 (validate_replace_src): Use note_uses.
2538 * rtl.h (note_uses): Declare.
2539 * rtlanal.c (note_uses): New.
2540
2541 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2542
2543 * reg-stack.c (stack_def): Make field reg unsigned.
2544 (remove_regno_note): Unsignetize parameter.
2545
2546 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2547
2548 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2549 shladd_operand() call.
2550
2551 2001-02-16 Bruce Korb <bkorb@gnu.org>
2552 Rodney Brown <RodneyBrown@mynd.com>
2553
2554 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2555 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2556 machine restrictions
2557 * fixinc/fixincl.x: regen
2558
2559 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2560
2561 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2562 Don't CSE a nop.
2563 (hash_scan_insn): Clean up calls to hash_scan_set.
2564 (compute_kill_rd): REGNO now unsigned.
2565 (try_replace_reg): Rework to use simplify_replace_rtx.
2566 (cprop_jump, cprop_cc0_jump): Likewise.
2567 (cprop_insn): Call find_reg_equal_equiv_note.
2568 Reflect changes to cprop_jump and cprop_cc0_jump.
2569
2570 * recog.c (validate_replace_src): Replace in operands of
2571 ZERO_EXTRACT in SET_DEST.
2572
2573 * cse.c (new_label_ref): New variable.
2574 (insert): Set it instead of recorded_label_ref.
2575 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2576 CODE_LABEL for this function, and not already in REG_LABEL note.
2577
2578 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2579
2580 * resource.c (mark_referenced_resources): Fix typo in introductory
2581 comment.
2582 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2583 string constant.
2584
2585 2001-02-16 Jason Merrill <jason@redhat.com>
2586
2587 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2588 NULL.
2589 (gen_subprogram_die): Don't abort on seeing a second definition if
2590 the previous one was abstract. Don't replace an abstract instance
2591 in the lookup table.
2592
2593 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2594 gen_abstract_function.
2595 * dwarf2out.h: Declare it.
2596 * toplev.c (note_outlining_of_inline_function): New fn.
2597 * toplev.h: Declare it.
2598 * integrate.c (output_inline_function): Call it.
2599 * c-decl.c (duplicate_decls): Call it when redefining an extern
2600 inline. Don't inline the new defn.
2601
2602 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2603
2604 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2605
2606 * .gdbinit: Rename to gdbinit.in.
2607 * gdbinit.in: New file,
2608 * configure.in: Generate .gdbinit from gdbinit.in.
2609 * configure: Regenerated.
2610 * Makefile.in (distclean): Always remove .gdbinit.
2611
2612 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2613
2614 * objc/objc-act.c (start_class): Register implemented_classes with
2615 GC.
2616
2617 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2618
2619 * cppfiles.c (_cpp_make_system_header): Generate a file
2620 change callback.
2621
2622 2001-02-15 Jim Meyering <meyering@lucent.com>
2623
2624 * Makefile.in (install-common): Don't depend on installdirs here.
2625 Instead, make each of the lang.install-common targets (e.g.,
2626 c++.install-common in cp/Make-lang.in) depend on it.
2627 (install-driver): Depend on installdirs.
2628
2629 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2630
2631 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2632
2633 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2634 do in memory.
2635
2636 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2637
2638 * invoke.texi (--param): Document.
2639
2640 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2641
2642 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2643
2644 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2645
2646 * i386.md (extendsfdf2_2): Fix constraints.
2647
2648 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2649
2650 * i386.md (fop_df_3 splitter): Fix operand number.
2651
2652 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2653
2654 * invoke.texi (-mreg-alloc): Nuke.
2655 * i386.c (ix86_reg_alloc_order, regs_allocated,
2656 order_regs_for_local_alloc): Nuke.
2657 (override_options): Kill reg_alloc code.
2658 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2659 (REG_ALLOC_ORDER): SSE goes before I387.
2660 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2661 (ix86_reg_alloc_order): Likewise.
2662 * i386-protos.h (ix86_reg_alloc_order): Kill.
2663
2664 2001-02-14 Richard Henderson <rth@redhat.com>
2665
2666 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2667
2668 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2669
2670 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2671
2672 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2673
2674 * i386-protos.h (ix86_memory_move_cost): Move offline.
2675 * i386.c (ix86_register_move_cost): Compute properly cost of
2676 SSE, MMX and i387 instructions.
2677 (*_cost): Add costs of SSE/MMX moves.
2678 (ix86_memory_move_cost): Move offline from ....; Likewise.
2679 * i386.h (MEMORY_MOVE_COST): .... here;
2680 (struct processor costs): Add new fields to represent costs
2681 of SSE/MMX moves.
2682
2683 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2684
2685 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2686 move_cost together with Matt Kraai's fix.
2687
2688 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2689
2690 * Makefile.in (OBJS): Add params.o.
2691
2692 2001-02-14 Richard Henderson <rth@redhat.com>
2693 DJ Delorie <dj@redhat.com>
2694
2695 * jump.c (jump_optimize_1): When we delete a conditional jump
2696 preceeding a non-conditional jump to effectively the same place,
2697 make sure that the combined jump skips any clobber insns between
2698 the two labels.
2699
2700 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2701
2702 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2703
2704 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2705
2706 * Makefile.in (toplev.o): Depend on params.h.
2707 (intergate.o): Likewise.
2708 (params.o): New target.
2709 * flags.h (inline_max_insns): Remove.
2710 * integrate.c: Include params.h.
2711 Use MAX_INLINE_INSNS instead of inline_max_insns.
2712 * params.c: New file.
2713 * params.h: Likewise.
2714 * params.def: Likewise.
2715 * toplev.c: Include params.h.
2716 (lang_independent_params): New variable.
2717 (decode_f_option): Use the param machinery instead of setting
2718 max_inline_insns.
2719 (independent_decode_option): Handle "--param name=value".
2720 (main): Register language-independent parameters.
2721
2722 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2723
2724 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2725
2726 2001-02-14 Richard Henderson <rth@redhat.com>
2727
2728 * regclass.c (init_reg_sets_1): Revert last two changes.
2729
2730 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2731
2732 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2733 (variable_size): Call put_pending_size.
2734 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2735 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2736 sizes list, put newly created SAVE_EXPR there as well.
2737
2738 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2739
2740 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2741 (errata_find_address_regs): load_group has only 2 entries.
2742 (errata_emit_nops): Likewise. shladd is not problematic.
2743 Clear last_group if nop was emitted.
2744 (fixup_errata): load_group has only 2 entries.
2745 Optimize.
2746
2747 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2748
2749 * c-lex.c (lex_number): Only warn traditionally for U suffix
2750 outside system macros.
2751 * cppexp.c (parse_number): Similarly.
2752 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2753 * cppmacro.c (struct cpp_macro): New member node.
2754 (parse_args): Only warn about missing rest args if not
2755 a system macro.
2756 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2757 (cpp_sys_objmacro_p): New.
2758 (_cpp_create_definition): Store the node with the macro defn.
2759 Remember if the macro is defined in a system header.
2760
2761 2001-02-13 DJ Delorie <dj@redhat.com>
2762
2763 * configure.in (check_languages): determine languages to check
2764 * Makefile.in (check-c++): alias for check-g++
2765 (check-f77): alias for check-g77
2766 (CHECK_TARGETS): depend on configured languages
2767
2768 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2769
2770 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2771 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2772 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2773 (sqrtextendsfdf2): Disable for SSE2.
2774
2775 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2776
2777 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2778 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2779 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2780 (sqrtextendsfdf2): Disable for SSE2.
2781
2782 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2783
2784 * i386.md (movsfcc_1): Support integer cmove instruction.
2785 (movdfcc_1): Likewise; new splitter.
2786
2787 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2788
2789 * i386.c (output_fp_compare): Support SSE.
2790 (prepare_fp_compare_args): SSE comparisons always support memory.
2791 * i386.h (TARGET_CMOVE): SSE imply cmove.
2792 * i386.md (cmp?f2): Enable for SSE too.
2793 (cmpfp_i*): Support SSE.
2794 (cmpfp_i_sse): New.
2795 (cmpfp_i_sse_only): New.
2796 (s*, b* fp expanters): Enable for SSE too.
2797 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2798 New patterns.
2799
2800 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2801
2802 * regclass.c (init_reg_sets_1): Silence warning.
2803
2804 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2805
2806 * i386.md (sqrt?f2): Change to expander.
2807 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2808
2809 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2810
2811 * rtlanal.c (find_reg_equal_equiv_note): New function.
2812 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2813 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2814 * rtl.h: Add declarations for above functions.
2815
2816 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2817
2818 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2819 conditionals.
2820 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2821 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2822 * flow.c (mark_regs_live_at_end): Likewise.
2823 (calculate_global_regs_live): Likewise.
2824 * gcse.c (compute_hash_table): Likewise.
2825 (compute_kill_rd): Likewise.
2826 * resource.c (mark_target_live_regs): Likewise.
2827 * rtl.h (INVALID_REGNUM): New macro.
2828
2829 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2830
2831 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2832
2833 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2834
2835 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2836 for SSE.
2837
2838 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2839
2840 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2841 too.
2842 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2843 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2844 (fop_sf_1_sse, fop_df_1_sse): New patterns
2845 (fop_*): Disable float_extend and float patterns for SSE compilation.
2846 * i386.c (output_387_binary_op): Support SSE.
2847
2848 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2849
2850 * i386.md (dummy_extendsfdf2): Support SSE2
2851 (extendsfdf2): Enable if 80387 or SSE2.
2852 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2853 and no MIX_I387_SSE2
2854 (extendsfdf2_1_sse_only): New pattern.
2855 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2856 of SSE.
2857 (truncdfsf2_1): Support SSE.
2858 (truncdfsf2_2): Support SSE.
2859 (truncdfsf2_2_1_sse): New pattern.
2860 (fixtruncsfsi2): Always use SSE if available.
2861 (fix_truncsfsi_sse): New pattern.
2862 (fix_truncdfsi_sse): New pattern.
2863 (floatsis?f2): Support SSE.
2864 (floatsidf2_i387): New pattern.
2865 (floatsidf2_sse): Likewise.
2866
2867 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2868
2869 * configure.in: Use "have_gnat" variable, not "gnat".
2870 * configure: Regenerated.
2871
2872 * config/sparc/sparc.c (function_value): Treat all non-record
2873 aggregate types like used to treat UNION_TYPE.
2874
2875 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2876
2877 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2878 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2879 (MASK_SSE2): New.
2880 (MASK_MIX_SSE_I387): New.
2881 (TARGET_SSE): SSE2 imply SSE.
2882 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2883 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2884 (enum reg_class): Add new classes.
2885 (REG_CLASS_NAMES): Likewise.
2886 (REG_CLASS_CONTENTS): Likewise.
2887 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2888 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2889 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2890 (CLASS_MAX_NREGS): Use new macros.
2891 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2892 * i386.md (pushsf, movsf): Support SSE.
2893 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2894 splitters to use ANY_FP_REGNO_P.
2895 (movdf_nointeger, movdf_integer): Likewise.
2896
2897 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2898
2899 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2900 (try_combine): Use it.
2901
2902 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2903
2904 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2905 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2906 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2907 (REGISTER_MOVE_COST): Likewise.
2908 * i386-protos.h (ix86_secondary_memory_needed,
2909 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2910 * i386.c (ix86_secondary_memory_needed,
2911 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2912
2913 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2914
2915 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2916 (HARD_REGNO_MODE_OK): Move offline to ....
2917 * i386.c (ix86_hard_regno_mode_ok) ... here;
2918 refuse all incorrect modes.
2919 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2920
2921 2001-02-13 Richard Henderson <rth@redhat.com>
2922
2923 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2924 entire operator; replicate that and match_dup the operands.
2925 (cmp_ccx_arith_op_set): Likewise.
2926 (cmp_cc_arith_op_not_set): Likewise.
2927 (cmp_ccx_arith_op_not_set): Likewise.
2928
2929 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2930
2931 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2932
2933 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2934
2935 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2936 (TARGET_NO_BITFIELD_WORD): New macro.
2937 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2938 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2939
2940 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2941
2942 * cselib.c: New file, from simplify-rtx.c.
2943 * simplify-rtx.c: Remove cselib parts.
2944 * Makefile.in: Add cselib.o.
2945
2946 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2947
2948 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2949 (setup_incoming_varargs): Remove warning.
2950
2951 * config/rs6000/rs6000.c (validate_condition_mode): When
2952 flag_fast_math, allow floating-point conditionals to be reversed.
2953 (rs6000_generate_compare): When flag_fast_math, don't generate
2954 cror operations for FP conditionals.
2955
2956 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
2957 -mcall-i960.
2958 (ASM_SPEC): Likewise.
2959 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
2960 (CC1_SPEC): Likewise.
2961 (LINK_TARGET_SPEC): Likewise.
2962 (CPP_ENDIAN_SPEC): Likewise.
2963 * Makefile.in (check-consistency): New target.
2964
2965 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
2966
2967 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
2968 "return type defaults" warning for functions with return type
2969 defaulting to int.
2970 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
2971 function declarations by default rather than only when pedantic.
2972
2973 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
2974
2975 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
2976 arrays.
2977
2978 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2979
2980 * extend.texi (Deprecated): Deprecate new initializer lists.
2981
2982 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
2983
2984 * mkdeps.c (deps_add_default_target): Robustify. Add
2985 basename component only.
2986 * cpp.texi (-M): Describe how default target is generated.
2987 * invoke.texi (-M): Likewise.
2988
2989 2001-02-12 Kazu Hirata <kazu@hxi.com>
2990
2991 * toplev.c (push_float_handler): Remove.
2992 (pop_float_handler): Remove.
2993 * toplev.h: Remove prototypes for the above functions.
2994
2995 2001-02-12 Jakub Jelinek <jakub@redhat.com>
2996
2997 * c-common.c (constant_fits_type_p): New function.
2998 (convert_and_check): Use it.
2999
3000 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3001
3002 * Makefile.in (GXX_ABI_FLAG): Don't define.
3003 * configure.in (--enable-new-gxx-abi): Remove option.
3004 * config.in: Regenerated.
3005 * configure: Likewise.
3006
3007 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3008
3009 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3010 basic block.
3011 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3012 regular basic block, and arrange for all edges into it to switch
3013 to normal mode.
3014
3015 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3016
3017 * Makefile.in (distclean): Do not remove .gdbinit.
3018
3019 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3020
3021 * Makefile.in (gcc.o): Fix typos.
3022 (protize.o): Likewise.
3023 (unprotoize.o): Likewise.
3024
3025 2001-02-11 Richard Henderson <rth@redhat.com>
3026
3027 * tree.c (build1): Check for null operand in last change.
3028
3029 2001-02-11 Richard Henderson <rth@redhat.com>
3030
3031 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3032 (fold): Don't assume a constant isn't foldable.
3033 * tree.c (build): Set TREE_CONSTANT for an expression with no
3034 side-effects and constant operands.
3035 (build1): Likewise.
3036
3037 2001-02-10 Richard Henderson <rth@redhat.com>
3038
3039 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3040
3041 2001-02-10 Anthony Green <green@redhat.com>
3042
3043 * cpp.texi (Standard Predefined): Add documentation for
3044 __OPTIMIZE_SIZE__.
3045
3046 * c-common.c (combine_strings): Improve warning message.
3047
3048 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3049
3050 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3051 --oformat.
3052 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3053
3054 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3055
3056 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3057 CYGWIN_CROSS_DIR.
3058
3059 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3060
3061 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3062 fp_mode attribute.
3063
3064 2001-02-09 Nick Clifton <nickc@redhat.com>
3065
3066 * config/arm/arm.md: Change output contraint on post inc
3067 load/store multiple patterns to be a read/write contraint.
3068
3069 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3070
3071 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3072 .o files when using the -M options.
3073
3074 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3075 David Edelsohn <edelsohn@gnu.org>
3076
3077 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3078 handle DImode constants. Use one TOC entry for SImode and smaller
3079 constants, aligned properly.
3080
3081 2001-02-08 Jason Merrill <jason@redhat.com>
3082
3083 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3084 about the SP adjustment for saving the static chain pointer.
3085 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3086 offset when setting a temporary CFA register.
3087
3088 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3089
3090 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3091 powerpc-*-chorusos* .
3092 * config/rs6000/chorus.h : New file.
3093 * config/i386/chorus.h : New file.
3094 * config/sparc/chorus.h : New file.
3095 * config/sparc/t-chorus-elf : New file.
3096
3097 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3098
3099 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3100 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3101 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3102 (__WCHAR_TYPE__): Correct macro name.
3103
3104 2001-02-08 Richard Henderson <rth@redhat.com>
3105
3106 * config/i386/i386.c (ix86_frame_pointer_required): New.
3107 (ix86_setup_frame_addresses): New.
3108 (struct machine_funciton): Add accesses_prev_frame.
3109 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3110 ix86_frame_pointer_required.
3111 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3112 (SETUP_FRAME_ADDRESSES): New.
3113 * config/i386/i386-protos.h: Update.
3114 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3115 from FRAME_POINTER_REQUIRED.
3116 * config/i386/svr3gas.h: Likewise.
3117 * config/i386/sysv3.h: Likewise.
3118 * config/i386/v3gas.h: Likewise.
3119
3120 2001-02-08 Richard Henderson <rth@redhat.com>
3121
3122 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3123 calculation of the number of integer registers required.
3124 (function_arg_record_value): Likewise.
3125
3126 2001-02-08 Jason Merrill <jason@redhat.com>
3127
3128 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3129 two. Print file and line with "confused" message.
3130
3131 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3132
3133 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3134
3135 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3136
3137 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3138
3139 * final.c (cleanup_subreg_operands): The address of a MEM can
3140 contain SUBREGs.
3141
3142 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3143 for asms, too.
3144
3145 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3146
3147 * gcc.texi (Incompatibilities): Update documentation of
3148 preprocessing numbers.
3149
3150 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3151
3152 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3153
3154 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3155
3156 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3157
3158 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3159 * gcc.c (struct compiler): Add cpp_spec field.
3160 (input_file_compiler): New variable.
3161 (do_spec_1): Allow a particular compiler to handle `%C'
3162 specially.
3163 (main): Store the current compiler in input_file_compiler.
3164 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3165
3166 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3167
3168 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3169 * cppinit.c (cpp_create_reader): Initialize them.
3170 (append_include_chain): cxx_aware arg might be unused.
3171 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3172 keywords and give them their phase 7 meaning. Pedwarn about
3173 this unless '__bool_true_false_are_defined' is defined.
3174
3175 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3176
3177 * lcm.c (optimize_mode_switching): Emit mode_set before the
3178 JUMP_INSN of an abnormal edge.
3179
3180 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3181
3182 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3183 a scheduling barrier at the end.
3184
3185 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3186
3187 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3188
3189 * config/sh/sh.md (reload_outsf): Removed.
3190 (movsf_ie): Introduce constraints for FPUL loads and stores.
3191 (reload_insf): Broaden the output constraint.
3192
3193 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3194 defined.
3195 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3196 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3197
3198 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3199
3200 * final.c: Revert my previous changes.
3201 * output.h: Make profile_label_no extern.
3202 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3203 for generating label.
3204
3205 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3206
3207 * config/i386/djgpp.h: Add comments about standard paths.
3208 (MD_EXEC_PREFIX): Undefine before defining.
3209 (MD_STARTFILE_PREFIX): New.
3210
3211 2001-01-30 Bruce Korb <bkorb@gnu.org>
3212
3213 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3214 (load_file): do not rely on load_file_data() to close file pointer
3215 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3216 fixinc/inclhack.def(irix_limits_const): add test_text
3217
3218 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3219
3220 * cppexp.c (parse_defined): Improve diagnostics for invalid
3221 syntax.
3222
3223 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3224
3225 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3226
3227 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3228
3229 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3230 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3231 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3232 (rs6000_output_symbol_ref): New function.
3233 (output_toc): Use VTABLE_NAME_P.
3234
3235 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3236
3237 * print-tree.c (print_node, case PARM_DECL):
3238 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3239
3240 * stor-layout.c (reference_types_internal): New variable.
3241 (internal_reference_types): New function.
3242 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3243 * tree.h (internal_reference_types): New declaration.
3244
3245 * cse.c (find_best_addr): Fix typo in computing cost.
3246
3247 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3248
3249 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3250 and this is the sum of a pointer and a constant, we know the result
3251 did not overflow.
3252 (num_sign_bit_copies, case PLUS): Likewise.
3253 * explow.c (convert_memory_address): Remove opposite SUBREG.
3254 * function.c (instantiate_new_reg): New function (from common code).
3255 (instantiate_virtual_regs_1): Call it.
3256 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3257 if pointers sign- or zero-extend.
3258 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3259 If pointers extend unsigned, use inside of SUBREG.
3260 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3261
3262 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3263
3264 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3265 subdir of gcc_gxx_include_dir.
3266 (gcc_gxx_target_include_dir): Remove.
3267
3268 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3269
3270 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3271 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3272 a high-level description.
3273
3274 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3275
3276 * final.c: Move the declaration of profile_label_no to ...
3277 * output.h: ... here.
3278 * function.c (expand_function_start): Call PROFILE_HOOK.
3279 * config/rs6000/aix.h: Define PROFILE_HOOK.
3280 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3281 * config/rs6000/rs6000.c (output_profile_hook): Define.
3282 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3283 output_profile_hook.
3284 tm.texi : Explain new macro PROFILE_HOOK.
3285
3286 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3287
3288 * extend.texi (Extended Asm): Do not say that semicolon is always
3289 a valid line-breaking character for GNU assemblers. Use
3290 newline-tab as the most commonly supported syntax. Use
3291 newline-tab rather than semicolon in multi-insn examples.
3292
3293 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3294
3295 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3296
3297 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3298 David Edelsohn <edelsohn@gnu.org>
3299
3300 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3301 code for AIX, even without flag_pic.
3302
3303 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3304
3305 * c-typeck.c (common_type): push and pop binding level around
3306 calling common_type on function parameters.
3307
3308 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3309
3310 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3311
3312 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3313
3314 * config/mips/mips.c (override_options): Fix typo in last change.
3315 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3316 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3317
3318 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3319
3320 * invoke.texi (-fdump-class-layout): Document.
3321 (-fdump-translation-unit): Use `=' as filename separator.
3322
3323 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3324
3325 * Makefile.in (s-mlib): Don't build multilibs if
3326 --disable-multilib.
3327 (DRIVER_DEFINES): Adjust accordingly.
3328 (gcc.o): Likewise.
3329 (protoize.o): Likewise.
3330 (unprotoize.o): Likewise.
3331 * configure.in: Recognize --enable-multilib.
3332
3333 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3334
3335 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3336
3337 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3338 * configure.in: Remove --enable-libstdcxx_v3 support.
3339 * configure: Regenerated.
3340
3341 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3342
3343 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3344 Call abort instead of fatal.
3345 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3346 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3347 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3348 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3349 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3350 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3351
3352 * diagnostic.h (set_internal_error_function): Renamed.
3353 * toplev.h (internal_error): Renamed from fatal.
3354 (pfatal_with_name): Deleted.
3355 (fatal_io_error): Now has printf-style arguments.
3356 * diagnostic.c (pfatal_with_name): Deleted.
3357 (fatal_io_error): Rework to have args in printf-style.
3358 (set_internal_error_function): Renamed from set_fatal_function.
3359 (internal_error): Renamed from fatal.
3360 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3361 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3362 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3363 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3364 * flow.c (verify_flow_info): Likewise.
3365 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3366 * config/mips/mips.c (save_restore_insns): Likewise.
3367
3368 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3369 * flow.c (verify_flow_info): Likewise.
3370 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3371 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3372 (avr_normalize_condition): Likewise.
3373 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3374 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3375 (limit_reload_class, double_reg_to_memory): Likewise.
3376 (print_operand_address, emit_1600_code_shift): Likewise.
3377 (gen_tst_reg, gen_compare_reg): Likewise.
3378 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3379 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3380 Deleted.
3381 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3382
3383 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3384 * objc/objc-act.c (build_ivar_chain): Likewise.
3385 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3386 pfatal_with_name.
3387 * graph.c (clean_graph_dump_file): Likewise.
3388 * profile.c (init_branch_prob): Likewise.
3389 * objc/objc-act.c (objc_init): Likewise.
3390
3391 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3392 * config/avr/avr.c (avr_override_options): Likewise.
3393 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3394 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3395 * config/h8300/h8300.c (h8300_init_once): Likewise.
3396 * config/mips/mips.c (override_options): Likewise.
3397 * config/i386/i386.c (override_options): Likewise, rework.
3398 * config/m68k/m68k.c (override_options): Likewise.
3399
3400 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3401 instead of fatal.
3402 * config/mips/mips.c (print_operand): Likewise.
3403 * hash.c (hash_allocate): Don't check for failure returns from
3404 obstack functions that can't fail.
3405 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3406 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3407 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3408 (get_object_reference): Likewise.
3409
3410 2001-02-04 Nick Clifton <nickc@redhat.com>
3411
3412 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3413 StrongARM1110, 10TDMI, and 1020T.
3414
3415 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3416
3417 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3418
3419 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3420
3421 * config/sh/sh.md (movdf load split): Pass register number to
3422 FP_OR_XD_REGISTER_P.
3423
3424 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3425
3426 * cppinit.c (BC): New macro.
3427 (builtin_array): Add __GXX_WEAK__.
3428 * cpplib.h (builtin_type): Add BT_WEAK.
3429 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3430 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3431 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3432
3433 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3434
3435 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3436
3437 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3438
3439 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3440 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3441
3442 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3443
3444 * cpphash.h: Rename ALIGN _ALIGN.
3445 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3446
3447 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3448
3449 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3450 compilation environment.
3451 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3452 control over location of cygwin includes and libs.
3453
3454 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3455
3456 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3457
3458 2001-02-02 lars brinkhoff <lars@nocrew.org>
3459
3460 * md.texi (Standard Names): remove reference to spur.md.
3461
3462 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3463
3464 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3465 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3466 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3467 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3468 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3469
3470 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3471
3472 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3473 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3474 number before reload.
3475 (c4x_adjust_cost): Return zero before reload.
3476 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3477 split before reload.
3478
3479 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3480
3481 * c4x.c (c4x_hard_regno_rename_ok): New.
3482 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3483 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3484
3485 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3486
3487 * diagnostic.h: Add missing "extern" in all declarations.
3488
3489 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3490
3491 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3492 as for gcc_gxx_include_dir.
3493
3494 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3495
3496 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3497
3498 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3499
3500 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3501 label before alignment to be used as the braf base address.
3502 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3503 branches.
3504 (casesi_jump_2): Require at least TARGET_SH2.
3505
3506 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3507 truncation to 32-bit doubles on -m3e and -m4-single-only.
3508
3509 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3510
3511 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3512 the default when building a shared object.
3513 (init_spec): Use it.
3514 * testsuite/lib/g++.exp: Include the directory where libgcc
3515 is located to the LD_LIBRARY_PATH list.
3516 * invoke.texi (-shared-libgcc): Document the cases in which
3517 GCC defaults to using the shared libgcc.
3518
3519 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3520
3521 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3522 unsigned is wide enough.
3523 (BITS_PER_SI): New.
3524 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3525 (si_to_float): Likewise.
3526 (float_to_si, float_to_usi): Use BITS_PER_SI.
3527
3528 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3529
3530 * dwarf2out.c: Added explanation of abbreviations.
3531 (def_cfa_1): Added comments listing DWARF2 instructions.
3532 (cfa_temp_reg): Removed in favor of cfa_temp.
3533 (cfa_temp_value): Removed in favor of cfa_temp.
3534 (cfa_temp): New global variable.
3535 (dwarf2out_frame_debug_expr): Added extensive introductory
3536 comments explaining the function's transformations. Revised to
3537 use cfa_temp. Added some rtx checking. Generalize IOR case.
3538 (dwarf2out_frame_debug): Revised to use cfa_temp.
3539 (output_aranges): Cast as "unsigned" to avoid warning.
3540 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3541 explain which instructions must be marked.
3542
3543 2001-02-01 Richard Henderson <rth@redhat.com>
3544
3545 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3546 new instruction.
3547
3548 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3549
3550 * config/sh/crt1.asm (main_k): Modified so that start calls
3551 ___setup_argv_and_call_main.
3552
3553 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3554
3555 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3556 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3557 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3558 * cppmacro.c (builtin_macro): Set builtin flags here.
3559 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3560 (replace_args): Clarify intent.
3561 (cpp_get_token): Macro expansion tokens get the saved flags.
3562 Update.
3563 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3564 check.
3565
3566 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3567
3568 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3569 2001-Jan-29.
3570
3571 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3572
3573 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3574 returns Pmode pseudo, but we need ptr_mode.
3575 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3576 Remove bogus conversions; use HOST_WIDE_INT for size.
3577 Don't use TARGET if wrong mode.
3578
3579 * config/i386/i386.c (ix86_compute_frame_size): Allow
3580 stack_alignment_needed to be non-default even if size is zero.
3581
3582 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3583
3584 * (hppa_init_pic_save): Emit the pic offset table
3585 reg save after last_parm_insn.
3586 * pa.c (hppa_init_pic_save): New function.
3587 * pa.h (hppa_init_pic_save): Declare.
3588 * pa.md (call, call_value, sibcall, sibcall_value): Use
3589 the above instead of duplicated code.
3590
3591 * pa.c (hppa_encode_label): Correct size of alloca buffer
3592 so we don't overrun it. Correct leading `*' case.
3593 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3594 need to handle `*@'.
3595 (FUNCTION_NAME_P): Likewise.
3596
3597 2001-01-31 Richard Henderson <rth@redhat.com>
3598
3599 * config.gcc (alpha-osf5): Use float-i128.h.
3600
3601 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3602 * config/float-i32.h: Likewise.
3603 * config/float-i64.h: Likewise.
3604 * config/float-sh.h: Likewise.
3605 * config/float-sparc.h: Likewise.
3606
3607 2001-01-31 DJ Delorie <dj@redhat.com>
3608
3609 * expmed.c (extract_bit_field): allow non-integral modes if we
3610 want to extract a whole register from itself.
3611
3612 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3613
3614 * c-typeck.c (set_init_index): If first is equal to last, assume as
3615 if it was not a range at all.
3616
3617 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3618
3619 * config/fp-bit.c: Include tm.h.
3620 (float_to_si): Don't assume SImode is 32-bits wide.
3621 (float_to_usi): Likewise.
3622
3623 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3624
3625 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3626 incomplete type.
3627 (typename): Call pending_xref_error after parsing typed_typespecs.
3628 * c-decl.c (lookup_tag): Give error immediately rather than
3629 leaving it pending if the tag of the wrong type is in the same
3630 binding level.
3631 (xref_tag): Don't pedwarn for forward declarations of enum types
3632 here.
3633 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3634 and enum tags.
3635
3636 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3637
3638 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3639
3640 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3641
3642 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3643 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3644
3645 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3646
3647 * cpphash.h (struct cpp_reader): New saved_flags.
3648 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3649 to avoid a paste after a pasted token.
3650
3651 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3652
3653 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3654 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3655 Wtype_MIN instead of LONG_MIN.
3656
3657 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3658
3659 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3660 README file.
3661 * fixinc/fixincl.x: Regenerated.
3662 * fixinc/inclhack.def (irix_limits_const): New definition to
3663 convert "const" to "__const" in limits.h.
3664
3665 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3666
3667 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3668
3669 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3670
3671 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3672 when register dies in the insn.
3673
3674 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3675
3676 * diagnostic.c (fatal): Fix word wrap.
3677
3678 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3679
3680 * combine.c (try_combine): Fix SUBREG setting for
3681 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3682
3683 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3684
3685 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3686 comparison codes.
3687
3688 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3689
3690 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3691 is not NULL.
3692 * toplev.c (decode_W_option): Update warn_larger_than
3693 unconditionally for each processed switch.
3694
3695 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3696
3697 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3698 to NULL_RTX.
3699 (hppa_expand_prologue): Delete code to save pic offset table register
3700 in the function prologue.
3701 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3702 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3703 table register at the beginning of the function after the prologue.
3704
3705 2001-01-29 lars brinkhoff <lars@nocrew.org>
3706
3707 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3708
3709 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3710 Jeff Law <law@redhat.com>
3711
3712 * pa.md (return): Revise comment for trivial return.
3713 (return_internal): Non-trivial return pattern for non-PIC code.
3714 (return_internal_pic): Non-trivial return pattern for PIC code.
3715 It uses the PIC register to ensure it is restored after
3716 function calls.
3717 (epilogue): Generate appropriate return for PIC and non-PIC code.
3718
3719 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3720
3721 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3722
3723 2001-01-29 DJ Delorie <dj@redhat.com>
3724
3725 * combine.c (if_then_else_cond): Pass the correct mode to
3726 operand_subword() for constants.
3727
3728 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3729
3730 * config/i386/cygwin.h: Add w32api to include search. Search different
3731 directories in a cross-build environment.
3732
3733 2001-11-29 Tim Josling <tej@melbpc.org.au>
3734
3735 * tree.h (TYPE_STUB_DECL): Add documentation.
3736
3737 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3738
3739 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3740 (sdbout_field_types): Likwise. Fix use of host_integerp.
3741
3742 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3743
3744 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3745 cygwin.h.
3746
3747 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3748
3749 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3750 to use flag_gnu_linker.
3751
3752 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3753
3754 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3755 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3756
3757 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3758
3759 * tree.c, tree.h (build_parse_node): Remove; was identical to
3760 build_nt.
3761 * c-lang.c (start_cdtor), objc/objc-act.c
3762 (build_module_descriptor): Use build_nt instead of
3763 build_parse_node.
3764
3765 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3766
3767 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3768 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3769 not have any upper bits set.
3770
3771 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3772
3773 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3774
3775 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3776
3777 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3778
3779 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3780
3781 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3782 (integer_minus_one_node): Define.
3783
3784 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3785
3786 * Makefile.in (bootstrap2-lean): Fix typo.
3787
3788 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3789
3790 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3791 : Don't set fe_value.
3792 * cpplib.h (AVOID_LPASTE): New flag.
3793 (struct cpp_hashnode): Remove fe_value.
3794 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3795 * cppmacro.c (builtin_macro): Don't set flags here.
3796 (replace_args): Set AVOID_LPASTE flag on first token of an
3797 argument, and the token following it.
3798 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3799 macro expansion, and on the token following it. Do it for
3800 builtins too.
3801 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3802
3803 2001-01-27 Richard Henderson <rth@redhat.com>
3804
3805 * config/alpha/t-ieee: Remove multilibbing.
3806 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3807
3808 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3809
3810 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3811
3812 * Makefile.in: Remove all dependencies on defaults.h.
3813 * builtins.c: Don't include defaults.h.
3814 * c-common.c: Likewise.
3815 * c-decl.c: Likewise.
3816 * c-pragma.c: Likewise.
3817 * c-typeck.c: Likewise.
3818 * combine.c: Likewise.
3819 * i386.c: Likewise.
3820 * frame-ia64.c: Likewise.
3821 * cppexp.c: Likewise.
3822 * crtstuff.c: Likewise.
3823 * dbxout.c: Likewise.
3824 * dwarf2out.c: Likewise.
3825 * dwarfout.c: Likewise.
3826 * emit-rtl.c: Likewise.
3827 * except.c: Likewise.
3828 * expr.c: Likewise.
3829 * final.c: Likewise.
3830 * frame-dwarf2.c: Likewise.
3831 * libgcc2.c: Likewise.
3832 * optabs.c: Likewise.
3833 * profile.c: Likewise.
3834 * sdbout.c: Likewise.
3835 * toplev.c: Likewise.
3836 * tradcif.y: Likewise.
3837 * tree.c: Likewise.
3838 * varasm.c: Likewise.
3839
3840 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3841
3842 * builtins.c (expand_builtin_fputs): Use size_one_node when
3843 transforming into fwrite.
3844
3845 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3846
3847 * extend.texi (Attribute Syntax): New section.
3848
3849 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3850
3851 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3852 they didn't need fixing.
3853
3854 2001-01-27 Janis Johnson <janis@us.ibm.com>
3855
3856 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3857 if appropriate.
3858 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3859 to remove macro definitions that are duplicated from elfos.h.
3860
3861 2001-01-27 Richard Henderson <rth@redhat.com>
3862
3863 * config/i386/sco5gas.h: Move ...
3864 * config/usegas.h: ... here.
3865 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3866
3867 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3868
3869 * c-typeck.c (struct constructor_stack): Add range_stack member.
3870 (really_start_incremental_init): Clear it.
3871 (push_init_level): Save constructor_range_stack and clear it if
3872 pushing explicit braces.
3873 (pop_init_level): abort if constructor_range_stack is non-zero at
3874 explicit closing brace. Restore saved constructor_range_stack if
3875 not implicit.
3876
3877 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3878
3879 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3880 into register was forced into memory.
3881
3882 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3883
3884 * Makefile.in: Remove uses of + before $(MAKE).
3885
3886 2001-01-26 Richard Henderson <rth@redhat.com>
3887
3888 * stmt.c (cost_table): Remove.
3889 (COST_TABLE, cost_table_initialized): New.
3890 (estimate_case_costs): Use the later instead of the former.
3891 (balance_case_nodes): Likewise.
3892
3893 2001-01-26 Richard Henderson <rth@redhat.com>
3894
3895 * alias.c (objects_must_conflict_p): Read-only slots may not
3896 conflict despite having the same type.
3897
3898 2001-01-27 Michael Hayes <mhayes@redhat.com>
3899
3900 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3901 int variable.
3902 (check_ext_dependant_givs): Initialise u_start_val and
3903 u_end_val.
3904 (load_mems): Make last_max_reg unsigned.
3905 (try_swap_copy_prop): Use INSN_P and initialise set.
3906
3907 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3908
3909 * README.AVR : Removed.
3910
3911 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3912
3913 * pa-64.h (text_section): Remove declaration.
3914
3915 * pa.md (return_internal): Remove mode on PIC register use.
3916
3917 2001-01-25 lars brinkhoff <lars@nocrew.org>
3918
3919 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3920 ASM_CLOSE_PAREN): fix typos.
3921
3922 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3923
3924 * acconfig.h: Define `const' to the empty string if neither
3925 __STDC__ nor __cplusplus is defined.
3926 * config.in: Regenerated.
3927
3928 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3929
3930 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3931 * collect2.c (main): Delete importf. Add ".obj" file extension.
3932 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3933 (aix_std_libs): Add additional AIX libraries to skip.
3934 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3935 * config/rs6000/aix51.h: New file.
3936
3937 2001-01-25 Michael Hayes <mhayes@redhat.com>
3938
3939 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3940 (loop_insn_emit_before): No longer static.
3941 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3942 (loop_givs_rescan, load_mems): Likewise.
3943 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3944 (maybe_eliminate_biv_1):
3945 (move_movables): Replace emit_call_insn_before with
3946 loop_call_insn_hoist.
3947 * loop.h (loop_insn_emit_before): Add.
3948 * unroll.c (copy_loop_body): Replace emit_insn_before with
3949 loop_insn_emit_before.
3950
3951 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
3952
3953 * diagnostic.c (fatal): Request preprocessed source.
3954
3955 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
3956
3957 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
3958 olddecl has argument types and newdecl has none, use the argument
3959 types from olddecl.
3960
3961 2001-01-24 Ulrich Drepper <drepper@redhat.com>
3962
3963 * dwarf2out.c (prefix_of): New function. Determine longest common
3964 prefix of the two arguments. The units are whole path components.
3965 (output_file_names): When adding a new directory find the one entry
3966 with the longest common prefix already in the list. Artificially
3967 generate entry if there is none for this prefix.
3968 Fix test to check whether the zeroth directory entry is used.
3969
3970 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
3971
3972 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
3973 Changed all callers. Take it into account when deciding if a
3974 previously loaded value matches.
3975
3976 2001-01-24 Richard Henderson <rth@redhat.com>
3977
3978 * reload.c (find_reloads_subreg_address): Fail the substitution
3979 if the resulting address is insufficiently aligned.
3980
3981 2001-01-24 DJ Delorie <dj@redhat.com>
3982
3983 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
3984 check the original operand's mode also.
3985 * simplify-rtx.c (simplify_ternary_operation): Ditto.
3986
3987 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3988
3989 * c-parse.in (cast_expr): Move compound literals from here ...
3990 (primary): ... to here. Use standard terminology "compound
3991 literal" instead of "constructor expression".
3992
3993 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
3994
3995 * gcc.1, cpp.1: Regenerate.
3996
3997 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
3998
3999 * calls.c (emit_library_call_value_1): Memory slot for
4000 pass-by-reference argument should have the mode of the argument,
4001 not of the pointer to it.
4002
4003 2001-01-24 Tom Tromey <tromey@redhat.com>
4004
4005 * gcc.texi (G++ and GCC): Mention gcj manual.
4006 (Standards): Link to section of manual mentioning gcj/Java
4007 compatibility.
4008
4009 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4010
4011 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4012 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4013 * tradcpp.c (main): Add -imacros or -include'd dependencies
4014 for -M*.
4015 * cpp.texi (-M, -MM): Document -M -include behaviour.
4016
4017 2001-01-24 Roger Collins <roger@ProProject.com>
4018
4019 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4020
4021 2001-01-24 Will Cohen <wcohen@redhat.com>
4022
4023 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4024 whether registers are 32 bits or 64 bits in size.
4025
4026 2001-01-24 Ben Elliston <bje@redhat.com>
4027
4028 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4029
4030 2001-01-24 Richard Henderson <rth@redhat.com>
4031
4032 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4033 (builtin_longjmp): Use it instead of emit_indirect_jump.
4034
4035 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4036
4037 * bb-reorder.c (make_reorder_chain_1): Handle case where
4038 jump edge goes to the same block as the fallthru edge.
4039
4040 2001-01-23 Jim Wilson <wilson@redhat.com>
4041
4042 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4043 * frame.h (__ia64_personality_v1): Add prototype.
4044 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4045 prototype form. Add void * cast to first argument to personality
4046 call.
4047 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4048 (asctoe113): Likewise.
4049 * config/ia64/frame-ia64.c: Include eh-common.h.
4050 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4051 prototypes.
4052 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4053 to dump parameter.
4054 (itanium_split_issue): Add prototype.
4055 (gen_nop_type): Ifdef out.
4056 (find_best_packet): Initialize best_packet.
4057 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4058 result.
4059 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4060 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4061 (flushrs): Add explicit stop bit at end.
4062 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4063 trailing \ to >.
4064
4065 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4066
4067 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4068 of EH symbols.
4069 * libgcc2.c (__terminate_func): Make variable static.
4070 (__terminate_set_func): New function to set __terminate_func.
4071 * libgcc2.h (__terminate_func_ptr): New typedef.
4072 (__terminate_set_func): New function.
4073
4074 2001-01-23 Richard Henderson <rth@redhat.com>
4075
4076 * flow.c (init_propagate_block_info): Don't consider unchanging
4077 memories for dead frame store elimination.
4078
4079 2001-01-23 Richard Henderson <rth@redhat.com>
4080
4081 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4082 * defaults.h: ... here.
4083
4084 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4085
4086 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4087
4088 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4089
4090 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4091
4092 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4093
4094 * rs6000.h (rs6000_return_addr): Move prototype from here...
4095 * rs6000-protos.h (rs6000_return_addr): ...to here.
4096 (rs6000_init_expanders): Delete prototype.
4097
4098 2001-01-23 Nick Clifton <nickc@redhat.com>
4099
4100 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4101 (Spec Files): Document %B and %j and %. and %v3 and %M and
4102 %{S*&T} spec switches.
4103
4104 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4105
4106 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4107
4108 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4109 Neil Booth <neil@daikokuya.demon.co.uk>
4110
4111 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4112 Have -Werror make pedantic warnings errors, like the
4113 rest of GCC.
4114
4115 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4116
4117 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4118
4119 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4120
4121 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4122 * integrate.c (expand_inline_function): Initialize them.
4123 (subst_constants): If changing COMPARE so that both its arguments
4124 will be VOIDmode and the comparison mode will be lost, note
4125 compare_mode. Use the recorded compare_mode to optimize
4126 IF_THEN_ELSE.
4127
4128 2001-01-23 Jason Merrill <jason@redhat.com>
4129
4130 * dwarf2out.c (new_die): Use xcalloc.
4131 (output_die): Abort rather than emit a local reference to offset 0.
4132
4133 2001-01-17 Andrew Haley <aph@redhat.com>
4134
4135 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4136 of a saved register; return NULL instead.
4137 (copy_reg): Take a pointer to a source register rather than a
4138 frame_state.
4139 (next_stack_level): Remember the address in the stack frame of all
4140 saved registers.
4141 Use the saved register pointer array as the source of the CFA.
4142 (throw_helper): Rewrite. Unwind once rather than twice and keep
4143 track of saved registers as we go.
4144
4145 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4146
4147 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4148 * c4x.c (c4x_legitimize_reload_address): Remove.
4149 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4150 reload address for ldp(k) insn.
4151
4152 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4153
4154 * pa.md (return_internal): Add a USE of the PIC register to ensure
4155 it is restored after each call.
4156 (return expander): Corresponding changes.
4157
4158 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4159
4160 * rs6000.h (INIT_EXPANDERS): Delete.
4161 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4162 * rs6000.c (rs6000_override_options): Call *_machine_status from
4163 here...
4164 (rs6000_init_expanders): ...instead of here. Delete.
4165 (rs6000_mark_machine_status): New function.
4166 (rs6000_init_machine_status): Use xcalloc.
4167 (rs6000_return_addr): Generate RTX for the return address.
4168 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4169 (rs6000_stack_info): Use it.
4170
4171 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4172
4173 * gthr-win32.h: Include errno.h to get a declaration for
4174 EINVAL and _mingw.h if the target is mingw32.
4175
4176 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4177
4178 * cpp.texi: Correct typos.
4179
4180 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4181
4182 * explow.c (probe_stack_range): Ensure value passed to
4183 stack_check_libfunc is ptr_mode, not Pmode.
4184
4185 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4186
4187 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4188 case, don't use operand_subword to calculate a SUBREG that is
4189 wider than a word.
4190
4191 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4192
4193 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4194
4195 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4196 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4197 valid. If not replace it by equivalent insns.
4198
4199 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4200
4201 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4202 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4203 (c4x_U_constraint, symbolic_address_operand): Likewise.
4204 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4205 memory.
4206 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4207 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4208 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4209 anulling slot because of silicon bug.
4210 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4211
4212 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4213
4214 * cppexp.c (parse_charconst): Change `mask' type to agree
4215 with parse_escape.
4216
4217 2001-01-21 Richard Henderson <rth@redhat.com>
4218
4219 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4220 pic_label_name in a linkonce section.
4221
4222 2001-01-17 Philipp Thomas <pthomas@suse.de>
4223
4224 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4225 found in libintl.
4226 * configure: Regenerate.
4227
4228 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4229
4230 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4231 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4232
4233 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4234
4235 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4236 If REVERSE nonzero then condition code in X must be reversed.
4237 (encode_section_info): Optimise if/else.
4238 (avr_function_value): Fix formatting.
4239
4240 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4241 (difficult_branch): Likewise.
4242 (rvbranch): Likewise.
4243 (difficult_rvbranch): Likewise.
4244
4245 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4246
4247 * config/avr/libgcc.S: Fix comment.
4248
4249 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4250
4251 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4252
4253 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4254
4255 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4256
4257 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4258
4259 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4260 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4261 * configure, config.in: Regenerate.
4262 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4263 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4264 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4265 (doprint.o): New rule.
4266
4267 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4268
4269 * c-typeck.c (digest_init): Handle boolean types as scalars.
4270
4271 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4272
4273 * stmt.c (expand_return): Don't return anything if size is zero.
4274 Delete redundant assignment to BYTES.
4275 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4276
4277 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4278
4279 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4280 the same as the default library function names.
4281 * config/avr/avr.md: Document special characters after '%'.
4282 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4283 knowing which of the call-used registers are really clobbered.
4284 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4285 New. Both quotient and remainder from one libgcc.S call.
4286 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4287 clobber as few registers as possible.
4288 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4289
4290 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4291
4292 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4293 context of the top of the stack.
4294
4295 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4296
4297 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4298 (fixup_var_refs_insns): ...here.
4299
4300 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4301
4302 * function.c (fixup_var_refs_insns): Break up into
4303 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4304 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4305 [loop over hash table entries].
4306 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4307 fixup_var_refs_insns_with_hash, to match above changes.
4308
4309 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4310
4311 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4312 (libgcc.a): Likewise.
4313 (stmp-multilib): Likewise.
4314 (STAGE2_FLAGS_TO_PASS): Likewise.
4315
4316 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4317
4318 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4319 temporary if no_new_pseudos.
4320
4321 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4322
4323 * cppinternals.texi: Update.
4324
4325 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4326
4327 * arm.c (arm_init_builtins): Re-enable builtins.
4328
4329 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4330
4331 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4332 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4333 element to be null, and always expect an EXPR_LIST.
4334 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4335 * sched-deps.c (sched_analyze_1): Likewise.
4336 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4337
4338 * regclass.c (max_set_parallel): New variable.
4339 (reg_scan): Take it into account in computation of max_parallel.
4340 (reg_scan_mark_refs, case SET): Compute it.
4341
4342 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4343 args are REG.
4344 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4345 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4346
4347 2001-01-19 Jason Merrill <jason@redhat.com>
4348
4349 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4350 for the abstract instance of an inline function.
4351
4352 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4353 J"orn Rennecke <amylaar@redhat.com>
4354
4355 * reload1.c (move2add_note_store): Treat all registers directly or
4356 indirectly derived from a base register as members of the same set
4357 of values.
4358 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4359 of base register into account.
4360
4361 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4362
4363 * alias.c (find_base_value): Recognize TRUNCATE.
4364 (record_set): In PLUS case, invalidate if other summand is also a
4365 base value.
4366
4367 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4368
4369 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4370 entry to be EXPR_LIST.
4371 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4372 be an EXPR_LIST (but not null, which other code doesn't allow).
4373 (note_stores): Properly handle PARALLEL in SET.
4374 Recursively call for top-level PARALLEL.
4375 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4376 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4377
4378 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4379
4380 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4381
4382 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4383 not pfile->skipping (== 0).
4384
4385 2001-01-17 Nick Clifton <nickc@redhat.com>
4386
4387 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4388 machine_status.
4389
4390 2001-01-17 Jim Wilson <wilson@redhat.com>
4391
4392 * invoke.texi (IA-64 options): Improve.
4393
4394 2001-01-17 Tom Tromey <tromey@redhat.com>
4395
4396 * invoke.texi (Optimize Options): Use `{}' to around @samp
4397 argument.
4398
4399 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4400
4401 * invoke.texi (-fno-guess-branch-probability): New option.
4402
4403 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4404
4405 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4406 case of making new double-word constant.
4407 Revert last change: instead just test i3_subst_into_i2.
4408
4409 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4410
4411 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4412 Use q constraints instead of r.
4413
4414 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4415
4416 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4417 (machine_function): Define.
4418 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4419 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4420 pa_free_machine_status): New functions.
4421 (override_options): Set {init,mark,free}_machine_status to above.
4422 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4423 PIC_OFFSET_TABLE_REGNUM_SAVED.
4424 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4425 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4426 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4427 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4428 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4429
4430 2001-01-15 DJ Delorie <dj@redhat.com>
4431
4432 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4433 (cpp.1): Ditto.
4434 (gcc.1): Ditto.
4435
4436 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4437
4438 * flow.c (propagate_on_insn): Make trying to delete a prologue
4439 or epilogue insn an ICE, not a warning. Allow doing this if
4440 the current function returns with stack pointer depressed.
4441
4442 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4443 I3 having more than one SET.
4444
4445 2001-01-16 Jim Wilson <wilson@redhat.com>
4446
4447 * invoke.texi: Document IA-64 options.
4448
4449 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4450 (fixup_errata): Delete TARGET_A_STEP use.
4451 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4452 (TARGET_SWITCHES): Delete -ma-step option.
4453 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4454 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4455 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4456 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4457 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4458 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4459 Delete.
4460 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4461 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4462 cmovsi_internal): Delete ! TARGET_A_STEP check.
4463
4464 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4465
4466 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4467 possibility to report bugs via postal mail. Change a URL and
4468 merge in a nearly duplicate statement...
4469 (Bug Reporting): ...from here.
4470 (Service): Refer to the Bug Reporting section instead of
4471 duplicating an URL.
4472 (Contributing): Remove trivial explanations concerning snapshots.
4473
4474 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4475
4476 * cppmain.c (general_init): Don't use ANSI prototype.
4477
4478 2001-01-16 Tom Tromey <tromey@redhat.com>
4479
4480 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4481
4482 2001-01-16 Richard Henderson <rth@redhat.com>
4483
4484 * config/i386/i386.h: Fix comment typo.
4485 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4486 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4487
4488 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4489
4490 * gcc.c: Revert previous -fsyntax-only-related change; move
4491 to cp/g++spec.c.
4492
4493 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4494
4495 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4496 inmode after checking GET_CODE (op).
4497
4498 2001-01-16 Richard Henderson <rth@redhat.com>
4499
4500 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4501 (MAX_MEM_SET_LIST_LEN): New.
4502 (propagate_one_insn): Update mem_set_list_len.
4503 (invalidate_mems_from_autoinc): Likewise.
4504 (invalidate_mems_from_set): Likewise.
4505 (mark_used_regs): Likewise.
4506 (init_propagate_block_info): Likewise. Stop collecting memories
4507 when we reach MAX_MEM_SET_LIST_LEN.
4508 (mark_set_1): Likewise.
4509
4510 2001-01-16 Richard Henderson <rth@redhat.com>
4511
4512 * unroll.c (precondition_loop_p): Fail if no iteration
4513 variable found.
4514
4515 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4516
4517 * gcc.c: When -fsyntax-only is given, do not complain about
4518 unused libraries.
4519
4520 2001-01-15 Richard Henderson <rth@redhat.com>
4521
4522 * config/i386/i386.c (asm_output_function_prefix): Remove.
4523 (ix86_asm_file_end): New.
4524 (load_pic_register): Generate pic_label_name into a
4525 staticly allocated buffer.
4526 * config/i386/i386-protos.h: Update.
4527 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4528 (ASM_FILE_END): New.
4529 * config/i386/i386afe.h: New file.
4530 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4531 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4532 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4533 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4534 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4535 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4536 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4537
4538 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4539
4540 * Makefile.in (install-man): Remove explicit dependency on
4541 $(srcdir)/gcc.1.
4542
4543 * configure.in, configure: Revert previous patch requiring perl
4544 5.6.0.
4545
4546 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4547
4548 * toplev.c (flag_guess_branch_prob): New.
4549 (f_options): Add guess-branch-probability option.
4550 (rest_of_decl_compilation): Only estimate branch probability if
4551 flag set.
4552 (main): set flag_guess_branch_prob.
4553
4554 * flags.h (flag_guess_branch_prob): New.
4555
4556 2001-01-15 DJ Delorie <dj@redhat.com>
4557
4558 * gcc.texi (Makefile): Add documentation for Makefile targets.
4559
4560 2001-01-15 Philip Blundell <philb@gnu.org>
4561
4562 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4563 (is_pic): Delete.
4564 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4565 (is_pic): Delete declaration.
4566 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4567 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4568 * config/arm/arm.md (builtin_setjmp_receiver): New.
4569
4570 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4571
4572 * arm.c (use_return_insn): Don't try to determine the function type
4573 until after reload has completed.
4574 (arm_output_epilogue): Don't adjust the sp value recovered from the
4575 stack.
4576 (emit_multi_reg_push): Don't record dwarf information for the pc.
4577 * arm.md (eh_epilogue): The function type may have changed, so it
4578 needs to be recalculated.
4579 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4580 unwind tables on arm/netbsd.
4581
4582 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4583
4584 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4585 (negated_cbranchsi4): Likewise.
4586
4587 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4588
4589 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4590 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4591 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4592 pass -mapcs-* options to assembler.
4593 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4594 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4595 (ASM_SPEC): Call subtarget_extra_asm_spec.
4596
4597 2001-01-15 Andreas Jaeger <aj@suse.de>
4598
4599 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4600 warnings.
4601 (ix86_expand_builtin): Likewise.
4602
4603 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4604 warning about comparison between signed and unsigned.
4605
4606 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4607
4608 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4609
4610 2001-01-14 Ralf Baechle <ralf@gnu.org>
4611
4612 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4613 SUBTARGET_CPP_SPEC apropriatly.
4614
4615 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4616
4617 * varasm.c (make_decl_rtl): Fix typo in last change.
4618
4619 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4620
4621 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4622 linker supports the init_priority C++ attribute.
4623 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4624 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4625 linker does not support init_priority C++ attribute.
4626
4627 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4628
4629 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4630
4631 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4632
4633 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4634 * cp/lex.c (finish_parse): Similarly.
4635 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4636 Return the number of errors encountered.
4637 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4638 * cppmain.c (main): Don't call cpp_destroy.
4639
4640 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4641
4642 * configure.in: Require at least perl 5.6.0 to regenerate
4643 manpages.
4644 * configure: Regenerate.
4645
4646 2001-01-14 Richard Henderson <rth@redhat.com>
4647
4648 * genrecog.c (DT_veclen_ge): New.
4649 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4650 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4651 (nodes_identical_1): Handle DT_veclen_ge.
4652 (write_cond, debug_decision_2): Likewise.
4653
4654 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4655
4656 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4657 with ...
4658 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4659
4660 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4661
4662 * cppmain.c (do_preprocessing): New function; most of the old
4663 main.
4664 (main): Call it to do most of the work.
4665 (cb): Move from global scope to set_callbacks ().
4666 (setup_callbacks): Get the callback pointer.
4667 (general_init, printer_init): Clean up code and comments.
4668
4669 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4670
4671 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4672 compiling PIC.
4673
4674 2001-01-14 Kazu Hirata <kazu@hxi.com>
4675
4676 * config/h8300/h8300.c (get_shift_alg): Update comments.
4677
4678 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4679
4680 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4681 (alloc_page, ggc_alloc): Add casts to remove warnings.
4682
4683 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4684
4685 * combine.c (simplify_comparison): Don't change `code' when
4686 can't reverse comparison.
4687
4688 2001-01-14 Richard Henderson <rth@redhat.com>
4689
4690 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4691 update all call sites. Return true for all non-label constants.
4692
4693 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4694
4695 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4696 parameters.
4697 (ix86_expand_branch): Update.
4698 (ix86_expand_setcc): Update to handle multiple test conditions.
4699 (expand_int_movcc): Likewise.
4700 (expand_fp_movcc): Likewise.
4701 * i386-protos.h (ix86_expand_compare): New.
4702 * i386.md (andqi_?_slp, orqi_?_slp): New.
4703 (conditional trap expander): Update call to ix86_expand_compare.
4704
4705 2001-01-14 Richard Henderson <rth@redhat.com>
4706
4707 * config/vax/vax.md: Use nonimmediate_operand instead of
4708 general_operand in destinations.
4709
4710 * config/vax/vax.md (indirect_jump): Use register_operand.
4711
4712 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4713 * config/vax/vax.md (call_pop): Turn into an expander.
4714 (call_value_pop): Likewise.
4715 (call, call_value): New.
4716
4717 2001-01-14 Andreas Jaeger <aj@suse.de>
4718
4719 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4720 variables.
4721 (ix86_fp_compare_mode): Add unused attribute.
4722 (ix86_expand_fp_movcc): Remove unused variable.
4723 (ix86_expand_builtin): Make fcode unsigned.
4724
4725 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4726 (expand_expr): Add cast to avoid signed warning.
4727 (store_field): Likewise.
4728 (store_constructor_field): Likewise.
4729 (store_constructor): Likewise.
4730 (store_expr): Likewise.
4731 (clear_storage): Likewise.
4732 (emit_group_store): Likewise.
4733 (emit_group_load): Likewise.
4734
4735 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4736
4737 * c-common.c: Move format checking code to ...
4738 * c-format.c: ... here. New file. Reorder some functions and
4739 declarations.
4740 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4741 New functions.
4742 * c-common.h (decl_handle_format_attribute,
4743 decl_handle_format_arg_attribute): Declare.
4744 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4745 (c-common.o): Adjust dependencies.
4746 (c-format.o): New list of dependencies.
4747
4748 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4749
4750 * unroll.c (loop_iterations): If we cannot prove iteration variable
4751 is set once in each iteration, punt.
4752
4753 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4754
4755 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4756 (*strlenhi): Remove clobber (which was buggy) of output address.
4757
4758 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4759
4760 * Makefile.in (generated-manpages): Add gcc.1
4761 ($(srcdir)/gcc.1): New target.
4762 (maintainer-clean): Delete $(srcdir)/gcc.1.
4763 * gcc.texi: Add macros @gccoptlist and @gol.
4764 * invoke.texi: Include option summary in manpage. Mark up option
4765 summary with @gccoptlist and @gol. Use @r in one place where
4766 appropriate.
4767 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4768 * gcc.1: Generate from invoke.texi.
4769
4770 2001-01-13 Richard Henderson <rth@redhat.com>
4771
4772 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4773 (struct page_entry): Add group member.
4774 (struct page_group): New.
4775 (struct globals): Add page_groups member.
4776 (alloc_anon): Only define for using mmap; remove valloc call.
4777 (page_group_index): New.
4778 (set_page_group_in_use): New.
4779 (clear_page_group_in_use): New.
4780 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4781 (free_page, release_pages): Likewise.
4782 * configure.in (with-gc): Default to ggc-page always.
4783
4784 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4785
4786 * reload1.c (replace_pseudos_in_call_usage): Use
4787 reg_equiv_constant and reg_equiv_address, and don't try
4788 regno_reg_rtx first.
4789
4790 2001-01-13 Richard Henderson <rth@redhat.com>
4791
4792 * ggc-page.c (alloc_page): Round up allocation size to one page.
4793 Set e->order on extra pages.
4794
4795 2001-01-13 Richard Henderson <rth@redhat.com>
4796
4797 * genrecog.c (nodes_identical): Expand commentary.
4798 (write_switch): Watch out for identical nodes.
4799
4800 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4801
4802 * cppfiles.c (_cpp_fake_include): New function.
4803 * cpphash.h (_cpp_fake_include): New.
4804 * cpplib.c (do_line): Call _cpp_fake_include when entering
4805 header files in preprocessed input.
4806 * cppmain.c (cb_pragma_implementation): Remove handling.
4807 (setup_callbacks): Don't register pragmas.
4808
4809 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4810
4811 * extend.texi: Udate for CPP.
4812
4813 2001-01-13 Andreas Jaeger <aj@suse.de>
4814
4815 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4816
4817 * regmove.c: Add prototype for replace_in_call_usage.
4818
4819 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4820
4821 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4822 struct cpp_chunk, struct htab, struct toklist,
4823 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4824 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4825 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4826 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4827 (struct macro_args): Delete.
4828 * cpphash.h: See above.
4829
4830 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4831
4832 * cppmain.c (struct printer): Remove no_line_dirs.
4833 (options, cb): New.
4834 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4835 : Use options rather than CPP_OPTION.
4836 (setup_callbacks): Use cb rather than pfile->cb.
4837 (main): No need to check for a buffer. Use cpp_errors.
4838 (printer_init): Don't set no_line_dirs.
4839 (maybe_print_line): Use options not no_line_dirs.
4840 (cb_file_change): Don't call print_line if -P.
4841
4842 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4843
4844 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4845 callbacks.
4846 * c-parse.in (finish_parse): Use cpp_errors.
4847 (__yylex): Use return value of cpp_pop_buffer.
4848 * cp/lex.c (finish_parse): Use cpp_errors.
4849 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4850
4851 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4852
4853 * README.AVR: URLs corrected.
4854
4855 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4856
4857 * c-decl.c (start_function): Don't warn if old prototype is builtin
4858 that's not in C's namespace.
4859 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4860 (_bb): Add prototype for ctime.
4861 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4862
4863 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4864
4865 * i386.c (ix86_fp_comparison_arithmetics_cost,
4866 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4867 ix86_fp_comparison_cost): New functions.
4868 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4869 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4870 two-branch sequences; make static.
4871 (ix86_use_fcomi_compare): Do decision according to the costs.
4872 (split_fp_branch): New.
4873 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4874 * i386-protos.h (ix86_expand_fp_compare): Remove
4875 (ix86_split_fp_branch): Declare.
4876
4877 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4878 and ix86_comparison_operator.
4879
4880 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4881 to make it cheaper.
4882
4883 * i386.c (put_condition_code): Output properly the unordered/ordered
4884 compares in fp case.
4885 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4886
4887 * tm.texi (REVERSE_CONDITION): Document.
4888 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4889 in -ffast-math mode.
4890 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4891
4892 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4893
4894 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4895
4896 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4897 optimized away.
4898
4899 * config/sh/sh.c (mova_p): Fix test for mova_const.
4900
4901 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4902
4903 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4904 cpp_get_options rather than dereferencing pfile and using
4905 CPP_OPTION.
4906 * scan-decls.c (scan_decls): Use return value of
4907 cpp_pop_buffer rather than CPP_BUFFER.
4908
4909 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4910
4911 * cppinit.c (cpp_handle_option): help_only is now part of the
4912 cpp_options structure.
4913 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4914 cpp_set_callbacks): New functions.
4915 * cpplib.h (cpp_callbacks): Break out as a named structure.
4916 (cpp_options): Move help_only here from cpp_reader.
4917 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4918 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4919 cpp_set_callbacks): New prototypes.
4920 * cppmain.c (main): Update for help_only.
4921
4922 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4923
4924 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4925 Also build and remove and install and uninstall c-tree.info and
4926 cppinternals.info.
4927 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4928 ($(srcdir)/cppinternals.info): New target.
4929 * c-tree.texi: Change file name used when makeinfo used without -o
4930 from ir.info to c-tree.info. Add info directory entry.
4931 * cppinternals.texi: Add info directory entry.
4932 * .cvsignore: Update.
4933
4934 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4935
4936 * c-typeck.c (store_init_value): Don't require constant initializer
4937 elements with -pedantic -std=c99.
4938 (digest_init): Change error about non-constant initializer elements
4939 into pedwarn.
4940 (constructor_range_end): Remove.
4941 (constructor_incremental, designator_depth,
4942 designator_errorneous): New variables.
4943 (struct constructor_stack): Remove range_end, add incremental.
4944 (struct constructor_range_stack, constructor_range_stack): New.
4945 (struct initializer_stack): Add constructor_range_stack.
4946 (finish_init): Set it.
4947 (start_init): Likewise. require_constant_elements for non-static
4948 trees only if not flag_isoc99.
4949 (really_start_incremental_init): Remove constructor_range_end, add
4950 constructor_incremental.
4951 (pop_init_level): Likewise.
4952 (push_init_level): Likewise. If implicit and the subobject had some
4953 value set already, preinitialize the level with it.
4954 Warn about missing braces only if not pushing due to designators.
4955 (set_designator, push_range_stack): New functions.
4956 (set_init_label): Use them.
4957 (set_init_index): Likewise. Remove constructor_range_end.
4958 Error if designator index is outside of array bounds.
4959 (add_pending_init): Compare values of purpose index trees, not the
4960 trees themselves. Allow overwriting of already initialized element.
4961 Issue a warning if it had side-effects.
4962 (set_nonincremental_init, set_nonincremental_init_from_string): New
4963 functions.
4964 (pending_init_member): Rename to...
4965 (find_init_member): ...this function. Call set_nonincremental_init
4966 if necessary. Compare values of purpose index trees, not the trees
4967 themselves. Return the actual value, not just non-zero if something
4968 is found.
4969 (output_init_element): Remove checks for duplicates.
4970 If field has zero size, only check the initializer for correctness.
4971 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
4972 if constructor_incremental is zero. Change error about initializers
4973 not computable at load time into pedwarn.
4974 (output_pending_init_elements): Compare bit positions, not
4975 FIELD_DECLs to take into account zero-sized fields.
4976 (process_init_element): Use constructor_range_stack to fill all
4977 ranges in the designator lists from current level up.
4978 * extend.texi: Update documentation for labeled elements.
4979
4980 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
4981
4982 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
4983 to function usage for arguments passed by reference. Optimize
4984 callee-copied arguments.
4985 * regmove.c (replace_in_call_usage): New function.
4986 (fixup_match_1): Call it.
4987 * cse.c (cse_insn): Canonicalize registers in function usage.
4988 * reload1.c (replace_pseudos_in_call_usage): New function.
4989 (reload): Call it.
4990
4991 * Makefile.in: Reverted yesterday's wrong patch. Installed the
4992 right version.
4993
4994 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4995
4996 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
4997 not XEXP (tmp, 0).
4998
4999 2001-01-12 DJ Delorie <dj@redhat.com>
5000
5001 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5002 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5003 targets.
5004
5005 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5006
5007 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5008 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5009 -std options alongside references to -ansi. Update some
5010 documentation for C99.
5011 * cpp.1: Regenerate.
5012
5013 2001-01-12 Andreas Jaeger <aj@suse.de>
5014
5015 * haifa-sched.c (restore_line_notes): Remove argument block B
5016 since it's unused.
5017 * sched-ebb.c (schedule_ebb): Change caller.
5018 * sched-rgn.c (schedule_region): Likewise.
5019 * sched-int.h (restore_line_notes): Adjust prototype.
5020
5021 * loop.h: Remove wrong declaration of doloop_condition_get.
5022
5023 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5024
5025 * extend.texi: Move C++-extension-related node from the C section
5026 into the C++ section.
5027
5028 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5029
5030 * extend.texi: Refer to an array of pointers to functions instead
5031 of one of functions.
5032
5033 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5034 Jan Hubicka <jh@suse.cz>
5035
5036 * combine.c (reversed_comparison): Fix typo in last patch.
5037 Check X for NULL.
5038 (combine_reversed_comparison_code): Make static to follow
5039 prototype declaration.
5040
5041 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5042
5043 * install.texi: Remove misplaced duplicate entry.
5044
5045 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5046
5047 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5048
5049 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5050
5051 * final.c: (leaf_function_p): Fix typo.
5052
5053 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5054
5055 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5056 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5057 which you have.
5058 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5059 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5060 mmap_anon, and valloc is available.
5061 * ggc-page.c: Restructure ifdef logic to match new autoconf
5062 spec. Don't throw away the test page in init_ggc.
5063
5064 * configure, config.in: Regenerate.
5065
5066 2001-01-12 Michael Hayes <mhayes@redhat.com>
5067
5068 * loop.h (total_biv_increment): Constify iv_class pointer.
5069 (struct induction): Replace `mem_mode' with `mem' rtx.
5070 * unroll.c (total_biv_increment): Constify iv_class pointer.
5071 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5072 (find_mem_givs, combine_givs_p): Likewise.
5073 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5074
5075 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5076
5077 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5078 LastError.
5079 (__gthread_getspecific): Ditto.
5080
5081 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5082
5083 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5084 put_condition_code): Convert fp comparison codes to integer
5085 before handling.
5086 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5087 to final.
5088
5089 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5090 * i386-protos.h (no_comparison_operator): Kill.
5091
5092 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5093
5094 * combine.c (REVERSIBLE_CC_MODE): Remove.
5095 (reversible_comparison_p): Remove.
5096 (combine_reversed_comparison_code): New.
5097 (reversed_comparison): New.
5098 (combine_simplify_rtx): Use
5099 combine_reversed_comparison_code/reversed_comparison instead
5100 of reversible_comparison_p.
5101 (simplify_if_then_else): Likewise.
5102 (simplify_set): Likewise.
5103 (simplify_logical): Likewise.
5104 (if_then_else_cond): Likewise.
5105 (known_cond): Likewise.
5106 (simplify_comparison): Likewise.
5107
5108 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5109
5110 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5111 sizeof (int) is larger than sizeof(__word__).
5112
5113 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5114
5115 * cppinit.c (do_includes): Fix typo.
5116
5117 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5118
5119 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5120 in S_REGS does not occur because not all sources are possible
5121 when a S_REGS is a destination (sometimes needs a clobber).
5122 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5123 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5124 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5125 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5126 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5127 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5128 (lshrdi_const1, lshrsi3_const16): Likewise.
5129 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5130 (*movhi_68hc12, *movqi_68hc12): Likewise.
5131 (movstrictqi): Make sure reloading in D_REGS as a destination
5132 does not happen.
5133
5134 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5135
5136 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5137
5138 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5139
5140 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5141 -D, -U and -A, and don't initialize the builtins.
5142 (do_includes): Error if -include or -imacros with -fpreprocessed.
5143 * cppmain.c (cb_define, cb_undef): Unconditionally process
5144 the callback.
5145 * tradcpp.c (main): Fix typo.
5146
5147 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5148
5149 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5150 (read_name_map): Use IS_ABSOLUTE_PATH.
5151 * tradcpp.c (get_filename): Likewise.
5152
5153 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5154
5155 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5156 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5157 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5158 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5159 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5160 (cmphi_z_used): Don't use '@' for the output.
5161 (tstqi_z_used): Likewise.
5162 (cmpqi_z_used): Likewise.
5163 (one_cmplsi2): Likewise.
5164
5165 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5166
5167 * config/sh/sh.c (barrier_align): Recognize branch around far
5168 branch and redundant insn.
5169
5170 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5171
5172 * invoke.texi: Restore documentation of the drivers' switches -MD
5173 and -MMD.
5174
5175 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5176
5177 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5178
5179 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5180 check-objc//%): Support parallel testing of multilibs.
5181 (TESTSUITEDIR): Set to testsuite by default, but override for
5182 parallel testing.
5183 (check-gcc, check-g++, check-g77, check-objc): Enter
5184 $(TESTSUITEDIR).
5185
5186 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5187
5188 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5189 * sched-deps.c (deps_may_trap_p): Likewise.
5190 * basic-block.h: Remove a comment.
5191 * flow.c (PROP_POSTRELOAD): Remove.
5192 (update_life_info): Don't add it to prop_flags.
5193 (mark_set_1): Lose the code that was enabled by it.
5194
5195 2001-01-11 Michael Hayes <mhayes@redhat.com>
5196
5197 * flow.c (flow_call_edges_add): New.
5198 * basic_block.h (flow_call_edges_add): New.
5199
5200 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5201
5202 * reload1.c (move2add_note_store): Update reg_set_luid even if
5203 base reg remains the same.
5204
5205 2001-01-10 Nick Clifton <nickc@redhat.com>
5206
5207 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5208 machine_function structure to zero.
5209 Add prototypes for machine_status functions.
5210
5211 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5212
5213 * c-common.h (CTI_VOID_LIST): Remove.
5214 (void_list_node): Likewise.
5215 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5216 (void_list_node): New macro.
5217 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5218 * config/i386/i386.c (ix86_init_builtins): Likewise.
5219 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5220
5221 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5222
5223 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5224 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5225 if statement.
5226 * tradcpp.c: Include mkdeps.h.
5227 (deps, print_deps_phony_targets, deps_append, output_deps,
5228 init_dependency_output, output_deps): New.
5229 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5230 deps_output): Delete.
5231 (print_deps_missing_files): Rename deps_missing_files.
5232 (inhibit_output): Make global.
5233 (main): Delete inhibit_output, deps_stream, deps_target.
5234 Use mkdeps functionality in the same way as cpplib. Remove
5235 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5236 -M and -MM. Remove old handling of deps via deps_out, and
5237 old reading of environment variables.
5238 (get_filename): Update to use deps_add_dep.
5239
5240 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5241
5242 * output.h (make_function_rtl): Remove prototype.
5243 (make_decl_rtl): Likewise.
5244 * varasm.c (make_function_rtl): Remove.
5245 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5246 than from a third parameter.
5247 * tree.h (make_decl_rtl): Remove last parameter.
5248 * c-decl.c (builtin_function): Remove last argument in call to
5249 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5250 (start_function): Likewise.
5251 * except.c (call_get_eh_context): Likewise.
5252 * expr.c (emit_block_move): Likewise.
5253 (clear_storage): Likewise.
5254 * profile.c (output_func_start_profiler): Likewise.
5255 * toplev.c (rest_of_decl_compilation): Likewise.
5256 * objc/objc-act.c (create_builtin_decl): Likewise.
5257 (synth_module_prologue): Likewise.
5258 (generate_static_reference): Likewise.
5259 (build_selector_reference_decl): Likewise.
5260 (build_class_reference_decl): Likewise.
5261 (build_objc_string_decl): Likewise.
5262 (build_protocol_reference): Likewise.
5263
5264 2001-01-10 Richard Henderson <rth@redhat.com>
5265
5266 * hwint.h: Revert yesterday's change.
5267
5268 2001-01-10 Nick Clifton <nickc@redhat.com>
5269
5270 * function.h (save_machine_status): Delete.
5271 (restore_machine_status): Delete.
5272 Amend comment describing {init|mark|free}_machine_status.
5273
5274 * function.c (save_machine_status): Delete.
5275 (restore_machine_status): Delete.
5276 Amend comment describing {init|mark|free}_machine_status.
5277 (push_function_context_to): Remove invocation of
5278 save_machine_status.
5279 (pop_function_context_from): Remove invocation of
5280 restore_machine_status.
5281
5282 * emit-rtl.c (init_emit_once): Amend comment describing
5283 {init|mark|free}_machine_status.
5284
5285 * tm.texi (Per-Function Data): New node. Describe the
5286 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5287 function pointers.
5288
5289 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5290
5291 * cppinit.c (OPT_g): Remove.
5292 (cpp_handle_option): Update for removed -g3.
5293 (print_help): Update.
5294 * cpplib.h (struct cpp_options): Remove debug_output.
5295 * cppmain.c (setup_callbacks, cb_define): Update.
5296 * gcc.c (cpp_options): Translate -g3 to -dD.
5297
5298 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5299
5300 * config/i960/i960.md: Change modifier to + on the zero_extract
5301 pattern after the (rotate -2 reg) canonicalization pattern.
5302
5303 2001-01-10 Richard Henderson <rth@redhat.com>
5304
5305 * config/alpha/alpha.c (alpha_free_machine_status): New.
5306 (override_options): Install it.
5307 (alpha_mark_machine_status): Verify machine non-null.
5308 * config/i386/i386.c (ix86_free_machine_status): New.
5309 (override_options): Install it.
5310 (ix86_init_machine_status): Use xcalloc.
5311 (ix86_mark_machine_status): Verify machine non-null.
5312 * config/ia64/ia64.c (ia64_free_machine_status): New.
5313 (ia64_override_options): Install it.
5314 (ia64_mark_machine_status): Verify machine non-null.
5315
5316 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5317
5318 * function.c (instantiate_virtual_regs): Instantiate virtual
5319 registers found in CALL_INSN_FUNCTION_USAGE.
5320
5321 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5322
5323 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5324 equivalent to -ansi in disabling -Di386.
5325
5326 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5327
5328 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5329 new functions.
5330 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5331
5332 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5333
5334 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5335
5336 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5337
5338 * invoke.texi: Document that -fcond-mismatch isn't supported for
5339 C++.
5340
5341 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5342
5343 * gcc.texi: Define macro gcctabopt.
5344 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5345 @command, @env and @option in some places where appropriate. Use
5346 @gcctabopt where appropriate. Put URLs and email addresses inside
5347 @w.
5348
5349 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5350
5351 * gcc.c (cpp_options): Set MD file name from output
5352 filename, if specified.
5353 (suffix_subst): New static variable.
5354 (do_spec): Clear it.
5355 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5356 Clear it.
5357 (give_switch): Handle suffix_subst.
5358
5359 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5360
5361 * invoke.texi: Fix another typo.
5362
5363 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5364
5365 * invoke.texi: Fix typo.
5366
5367 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5368
5369 * c-lang.c (lang_hooks): Update.
5370 (lang_decode_option): Remove.
5371 (lang_init_options): Rename c_init_options.
5372 * toplev.c (main): Use lang_hooks for lang_init_options
5373 and lang_decode_option.
5374 * toplev.h (lang_hooks): Add 2 new hooks.
5375 * tree.h: Remove lang_init_options and lang_decode_option.
5376 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5377 * cp/decl2.c: Similarly.
5378 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5379 (lang_hooks): Update.
5380 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5381 for consistency.
5382 (lang_init_options): Rename ffe_init_options.
5383 (lang_hooks): Update.
5384 (lang_decode_option): Remove.
5385 * java/lang.c (lang_init_options): Rename java_init_options.
5386 (lang_decode_option): Rename java_decode_option.
5387 (lang_hooks): Update.
5388 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5389 (lang_decode_option): Rename objc_decode_option.
5390 (lang_hooks): Update.
5391
5392 2001-01-09 Nick Clifton <nickc@redhat.com>
5393
5394 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5395 (d30v_return_addr_rtx): Delete.
5396 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5397 cfun->machine structure.
5398 (struct machine_function): Move to d30v.h
5399 (d30v_save_machine_status): Delete.
5400 (d30v_restore_machine_status): Delete.
5401 (d30v_init_machine_status): New Function.
5402 (d30v_mark_machine_status): New Function.
5403 (d30v_free_machine_status): New Function.
5404 (d30v_init_expanders): Use new functions.
5405 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5406 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5407 d30v_return_addr_rtx.
5408
5409 * config/d30v/d30v.h (struct_machine): Move here.
5410 Add eh_epilogue_sp_ofs field.
5411
5412 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5413 field in cfun->machine structure.
5414
5415 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5416
5417 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5418 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5419 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5420
5421 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5422
5423 * objc/lang-options.h: Remove bogus reference to
5424 Java trademark.
5425
5426 2001-01-09 Kazu Hirata <kazu@hxi.com>
5427
5428 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5429 return the result.
5430
5431 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5432
5433 * reload.c (find_reloads_address): Check for eliminable registers
5434 when substituting a constant expression for a pseudo.
5435
5436 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5437
5438 * c-common.c (enum format_type): Add format_type_error.
5439 (decode_format_type): New function.
5440 (decl_attributes): Use it.
5441 (format_kind_info): Adjust comment.
5442
5443 2001-01-09 David O'Brien <obrien@BSDi.com>
5444
5445 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5446 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5447 files in tm_file.
5448 * config/i386/gnu.h: Don't include required platform specific .h files,
5449 tm.h will do it instead.
5450 * config/i386/i386elf.h: Likewise.
5451 * config/i386/linux.h: Likewise.
5452 * config/i386/moss.h: Likewise.
5453 * config/mips/gnu.h: Likewise.
5454
5455 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5456
5457 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5458 (rs6000-ibm-aix3.[01]*): Likewise.
5459 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5460 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5461 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5462 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5463 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5464 (powerpc-*-eabiaix*): Likewise.
5465 (powerpc-*-eabisim*): Likewise.
5466 (powerpc-*-elf*): Likewise.
5467 (powerpc-*-eabi*): Likewise.
5468 (powerpc-*-rtems*): Likewise.
5469 (powerpc-*-linux*libc1): Likewise.
5470 (powerpc-*-linux*): Likewise.
5471 (powerpc-wrs-vxworks*): Likewise.
5472 (powerpcle-wrs-vxworks*): Likewise.
5473 (powerpcle-*-sysv*): Likewise.
5474 (powerpcle-*-elf*): Likewise.
5475 (powerpcle-*-eabisim*): Likewise.
5476 (powerpcle-*-eabi*): Likewise.
5477 (powerpcle-*-solaris2*): Likewise.
5478 * config/rs6000/aix31.h: Delete includes.
5479 * config/rs6000/aix3newas.h: Likewise.
5480 * config/rs6000/aix41.h: Likewise.
5481 * config/rs6000/aix43.h: Likewise.
5482 * config/rs6000/beos.h: Likewise.
5483 * config/rs6000/rtems.h: Likewise.
5484 * config/rs6000/sysv4.h: Likewise.
5485
5486 2001-01-09 Kazu Hirata <kazu@hxi.com>
5487
5488 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5489 Change an argument mode of machine_mode to shift_mode of
5490 shift_mode. Remove an extra error check.
5491 (emit_a_shift): Adopt to the new calling prototype of
5492 get_shift_alg.
5493 (function_prologue): Fix code for a monitor
5494 function. Support H8/S.
5495 (function_epilogue): Do not output pop for a monitor function.
5496
5497 2001-01-09 Nick Clifton <nickc@redhat.com>
5498
5499 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5500 (setup_incoming_varargs): Use sysv_varargs_p field of the
5501 cfun->machine structure.
5502 (struct machine_function): Move to rs6000.h
5503 (rs6000_save_machine_status): Delete.
5504 (rs6000_restore_machine_status): Delete.
5505 (rs6000_init_machine_status): New Function.
5506 (rs6000_free_machine_status): New Function.
5507 (rs6000_init_expanders): Use new functions.
5508
5509 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5510 export.
5511 (struct machine_function): Move here.
5512
5513 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5514 sysv_varargs_p field of the cfun->machine structure.
5515
5516 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5517 Remove prototype.
5518 (rs6000_restore_machine_status): Remove prototype.
5519
5520 2001-01-09 Richard Henderson <rth@redhat.com>
5521
5522 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5523 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5524 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5525 (sched_analyze_2, sched_analyze_insn): Likewise.
5526 (sched_analyze, init_deps): Likewise.
5527 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5528 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5529 (compute_block_backward_dependences): Update propagate_deps call.
5530
5531 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5532
5533 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5534
5535 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5536
5537 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5538 (cpp_handle_option): Handle them.
5539 (cpp_post_options): Ensure one of -M or -MM is specified with
5540 any other -M? option.
5541 (init_dependency_output): Suppress output with -MG.
5542
5543 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5544
5545 * cpp.texi: Update.
5546 * invoke.texi: Update.
5547
5548 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5549
5550 * sh.md (reload_outsf): Generate recognizable patterns for
5551 TARGET_SH3E.
5552
5553 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5554
5555 * c-lang.c (lang_hooks): Update.
5556 (lang_init): Rename c_init.
5557 (lang_finish): Remove.
5558 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5559 and lang_finish ().
5560 * toplev.h (lang_hooks): Add init () and finish ().
5561 * tree.h (lang_init, lang_finish): Remove.
5562 * cp/tree.h (lang_init, lang_finish): Remove.
5563 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5564 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5565 lang_hooks): New.
5566 (lang_init, lang_finish): Remove.
5567 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5568 (lang_hooks): Update.
5569 * java/lang.c (lang_init): Rename java_init.
5570 (lang_finish): Remove.
5571 (lang_hooks): Update.
5572 * objc/objc-act.c (lang_init): Rename objc_init.
5573 (lang_finish): Remove.
5574 (lang_hoooks): Update.
5575
5576 20001-01-09 Graham Stott <grahams@redhat.com>
5577
5578 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5579 after `ptr` is initialised.
5580
5581 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5582
5583 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5584 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5585 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5586 stack adjusts, instead of r3.
5587
5588 2001-01-09 Michael Hayes <mhayes@redhat.com>
5589
5590 * flow.c (flow_loop_scan): Break out of ...
5591 (flow_loops_find) ... here.
5592 * basic-block.h (flow_loop_scan): New.
5593 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5594 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5595
5596 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5597
5598 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5599 macro_buffer_len.
5600 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5601 realloc()ing macro_buffer.
5602
5603 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5604 if it's wider than long and the target's long is wider than the
5605 host's.
5606
5607 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5608
5609 Remove support for using UWIN as a host machine.
5610 * configure.in: Issue an error message.
5611 * configure: Regenerated.
5612 * config.gcc: Remove xm_* UWIN configury.
5613 * config/i386/xm-uwin.h: Remove.
5614
5615 2001-01-08 Nick Clifton <nickc@redhat.com>
5616
5617 * config/v850/v850.c (ra_rtx): Delete.
5618 (v850_save_machine_status): Delete.
5619 (v850_restore_machine_status): Delete.
5620 (v850_init_machine_status): New function.
5621 (v850_mark_machine_status): New function.
5622 (v850_free_machine_status): New function.
5623 (v850_return_addr): Use ra_rtx field in machine structure.
5624 (v850_init_expanders): Use new functions.
5625
5626 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5627 * config/v850/v850.c: Change arguments to v850_output+* functions
5628 to take a const char *, to avoid compile time warning.
5629 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5630 (USER_LABEL_PREFIX): Redefine.
5631
5632 2000-01-08 Jim Wilson <wilson@redhat.com>
5633
5634 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5635 1 to unsigned HOST_WIDE_INT before left shift.
5636
5637 2001-01-08 Nick Clifton <nickc@redhat.com>
5638
5639 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5640 the machine structure has been allocated.
5641 (arm_free_machine_status): New function: Free the machine
5642 specific function structure.
5643
5644 2001-01-08 Richard Henderson <rth@redhat.com>
5645
5646 * jump.c (simplejump_p): Revert last change.
5647
5648 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5649
5650 * cppinit.c (init): Rename init_library.
5651 (cpp_create_reader): Update.
5652 * gcc.c (cpp_options): If -o given, use it as the target of
5653 any -M options.
5654
5655 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5656
5657 * arm.c (arm_arch5e): New variable.
5658 (all_cores): XScale is a 5TE device.
5659 (arm_override_options): Set arm_arch5e.
5660 (arm_init_builtins): __builtin_prefetch is in arch5e.
5661 * arm.h (arm_arch5e): Declare it.
5662
5663 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5664
5665 * arm.md (define_constants): Add defines for UNSPEC and
5666 UNSPEC_VOLATILE insns. Update all users.
5667 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5668 * arm.c (multi_register_push, note_invalid_constants)
5669 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5670 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5671 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5672
5673 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5674
5675 * jump.c (jump_optimize_1): Use reversed_comparison_code
5676 instead of can_reverse_comparison_p.
5677 (jump_back_p): Likewise.
5678 (invert_exp_1): Likewise.
5679 (thread_jumps): Likewise.
5680 * simplify-rtx.c (simplify_unary_operation): Likewise.
5681 (simplify_ternary_operation): Likewise.
5682 * cse.c (find_comparison_args): Convert to use
5683 can_reverse_comparison_p.
5684 (record_jump_equiv): Likewise.
5685
5686 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5687
5688 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5689 (EPILOGUE_USES): Define.
5690 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5691 automatically stack the LR if it isn't live.
5692
5693 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5694
5695 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5696 properly.
5697
5698 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5699
5700 * ggc-page.c (max_alignment): New structure.
5701 (MAX_ALIGNMENT): New macro.
5702 (init_ggc): Use it to round up the sizes in the
5703 extra_order_size_table.
5704
5705 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5706
5707 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5708 after reload.
5709
5710 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5711
5712 * builtins.def (BUILT_IN_FPRINTF): New entry.
5713
5714 * c-common.c (c_expand_builtin_fprintf): New function.
5715 (init_function_format_info): Handle __builtin_fprintf.
5716 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5717 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5718
5719 * c-decl.c (duplicate_decls): Adjust comment.
5720
5721 * extend.texi (fprintf): Document new builtin.
5722
5723 2001-01-07 Richard Henderson <rth@redhat.com>
5724
5725 * jump.c (simplejump_p): Recognize any single_set jump
5726 of the proper form.
5727
5728 2001-01-07 Richard Henderson <rth@redhat.com>
5729
5730 * configure.in (slibdir): Accept an --with-slibdir option.
5731 Use "test" not "[" in configure. Default to $(libdir).
5732
5733 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5734 fix typo in rm -f.
5735 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5736 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5737 (SHLIB_LINK): Create links for the soname.
5738 * config/mips/t-iris6: Likewise.
5739 * config/sparc/t-slibgcc: Likewise.
5740 * config/sparc/t-slibgcc-sld: Likewise.
5741
5742 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5743
5744 * config/i386/i386.c (constant_call_address_operand): Accept
5745 (const (plus (symbol_ref) (const_int))).
5746 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5747 constant_call_address_operand.
5748
5749 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5750
5751 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5752 and LONG_LONG_TYPE_SIZE > 32.
5753
5754 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5755
5756 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5757 the previous change.
5758
5759 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5760
5761 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5762 New.
5763 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5764 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5765 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5766 Declare.
5767
5768 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5769
5770 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5771
5772 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5773
5774 * c-lang.c (c_post_options): Call cpp_post_options.
5775 * objc/objc-act.c (objc_post_options): Similarly.
5776 * cppmain.c (main): Similarly.
5777 * fix-header.c (read_scan_file): Similarly.
5778 * cppinit.c (cpp_start_read): Move option consistency checks
5779 to cpp_post_options. Don't call init_dependency_output.
5780 If needed, add default target and main file dependency.
5781 (OPT_MD, OPT_MMD): Remove.
5782 (OPT_MF): New.
5783 (cpp_handle_option): Update for OPT_* changes.
5784 (cpp_post_options): New.
5785 (init_dependency_output): Command line -MF overrides environment
5786 variables. Don't set default target etc. Suppress output
5787 if dependencies are going to stdout.
5788 (print_help): Update.
5789 * cpplib.h (cpp_post_options): New.
5790 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5791
5792 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5793
5794 * jump.c (comparison_dominates_p): Support unordered compares.
5795
5796 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5797
5798 * simplify-rtx.c (simplify_relational_operation): Always simplify
5799 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5800 and UNGE.
5801
5802 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5803
5804 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5805 (nonzero_bits): Likewise.
5806 (simplify_comparison): Likewise.
5807 (num_sign_bit_copies): Likewise; return more sane value depending
5808 on STORE_FLAG_VALUE.
5809 (known_cond): Do not assume EQ to be always true for equivalent
5810 operands.
5811
5812 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5813
5814 * cse.c (fold_rtx): Handle unordered comparisons.
5815
5816 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5817
5818 * rtlanal.c (set_of_1): New static function.
5819 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5820 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5821 reg_set_last_last_regno): Remove.
5822 (set_of): New global function.
5823 (set_of_data): New structure.
5824 (reg_set_p, reg_set_last): Revamp for set_of.
5825 * rtl.h (set_of): New.
5826
5827 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5828
5829 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5830 * extend.texi: Document _Exit builtin.
5831
5832 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5833
5834 * (initialize, initialize_builtins,
5835 initialize_dependency_output, initialize_standard_includes):
5836 Rename s/initialize/init. Update.
5837 (init_dependency_output): Move to after
5838 cpp_handle_options, the correct location temporally at least.
5839 (opt_comp): Move next to init (), its caller. Fix prototype.
5840 (init): Make "initialized" local scope.
5841 (cpp_create_reader): Always call init ().
5842 (cpp_start_read): Update.
5843 (output_deps): New function, broken out of cpp_finish.
5844 (cpp_finish): Break out output_deps.
5845
5846 2001-01-07 Richard Henderson <rth@redhat.com>
5847
5848 * collect2.c (COFF specific stuff): Revert 12-06 patch
5849 to prototype system functions.
5850
5851 2001-01-07 Michael Hayes <mhayes@redhat.com>
5852
5853 * hard-reg-set.h: Add multiple include guard.
5854 * basic-block.h (struct loop): Add `sink' field.
5855 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5856 (emit_iv_add_mult): Delete.
5857 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5858 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5859 (unroll_loop): Remove end_insert_before argument.
5860 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5861 (maybe_eliminate_biv_1): Likewise.
5862 (emit_iv_add_mult): Delete.
5863 (gen_add_mult, loop_regs_update): New.
5864 (loop_insn_emit_after, loop_insn_emit_before): New.
5865 (loop_insn_sink, loop_insn_sink_or_swim): New.
5866 (emit_iv_add_mult): Delete.
5867 (scan_loop): Set loop->sink.
5868 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5869 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5870 (maybe_eliminate_biv_1): Likewise.
5871 (maybe_eliminate_biv_1): Add basic block argument.
5872 * unroll.c (unroll_loop): Remove end_insert_before argument.
5873 (find_splittable_regs): Likewise.
5874 (find_splittable_regs): Use loop_insn_sink and its ilk.
5875 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5876
5877 2001-01-07 Michael Hayes <mhayes@redhat.com>
5878
5879 * loop.h (loop_insn_hoist): New prototype.
5880 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5881 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5882 (check_dbra_loop, load_mems): Likewise.
5883 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5884 (find_splittable_givs): Likewise.
5885
5886 2001-01-07 Michael Hayes <mhayes@redhat.com>
5887
5888 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5889
5890 2001-01-07 Richard Henderson <rth@redhat.com>
5891
5892 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5893
5894 2001-01-07 Richard Henderson <rth@redhat.com>
5895
5896 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5897 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5898 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5899 variant that handles a shared libgcc.
5900 (process_command): Always validate -{static,shared}-libgcc.
5901 (do_spec_1): New 'M' case.
5902 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5903
5904 2001-01-07 Richard Henderson <rth@redhat.com>
5905
5906 * Makefile.in (slibdir): New variable.
5907 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5908 (installdirs): Create slibdir.
5909 (install-libgcc, install-multilib): Defer to libgcc.mk.
5910 * configure.in (slibdir): Substitute.
5911 * mklibgcc.in (install): New target.
5912
5913 * config/t-linux (SHLIB_LINK): Create links for the soname.
5914 (SHLIB_INSTALL): New.
5915 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5916 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5917 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5918 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5919 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5920
5921 2001-01-07 Richard Henderson <rth@redhat.com>
5922
5923 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5924 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5925 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5926
5927 2001-01-07 Michael Hayes <mhayes@redhat.com>
5928
5929 * loop.c (count_loop_regs_set): Delete.
5930 (load_mems_and_recount_loop_regs_set): Delete.
5931 (loop_regs_scan): Merge common code from count_loop_regs_set,
5932 scan_loop, and load_mems_and_recount_loop_regs_set.
5933 (scan_loop): Call load_mems directly and loop_regs_scan
5934 again if new registers created.
5935
5936 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5937
5938 * toplev.c (main): Call the front-end specific post_options
5939 hook if one is given.
5940 * toplev.h (struct_lang_hooks, lang_hooks): New.
5941 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5942 for the C front end.
5943 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5944 lang_hooks for the C++ front end.
5945 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5946 lang_hooks for the ObjC front end.
5947 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5948 * java/lang.c (lang_hooks): Hooks for the Java front end.
5949
5950 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5951
5952 * c-lex.c (init_c_lex): Request #define / #undef callbacks
5953 for verbose DWARF[2] debugging.
5954 (cb_define, cb_undef): The new callbacks.
5955 * toplev.h (debug_define, debug_undef): Make const correct.
5956 * toplev.c (debug_define, debug_undef): Similarly. Do not
5957 perform the verbosity tests here anymore.
5958
5959 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
5960
5961 * reload.c (subst_reloads): Take INSN argument. When
5962 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
5963 * reload.h (subst_reloads): Adjust prototype.
5964 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
5965 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
5966 present in JUMP_INSNs and copy them to JUMP_LABEL.
5967 * flow.c (find_label_refs, find_basic_blocks_1): Skip
5968 JUMP_INSNs and insns with REG_LABELs that are followed by
5969 JUMP_INSNs with the same REG_LABEL.
5970 * sched-rgn.c (is_cfg_nonregular): Likewise.
5971 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
5972 note is available.
5973 * unroll.c (unroll_loop): Look for REG_LABEL notes in
5974 JUMP_INSNs too.
5975 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
5976
5977 2001-01-06 Richard Henderson <rth@redhat.com>
5978
5979 * loop.c (scan_loop): Use xcalloc for the regs array.
5980 (load_mems_and_recount_loop_regs_set): Zero the new memory
5981 received from xrealloc.
5982
5983 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
5984
5985 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
5986
5987 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
5988
5989 * integrate.c (copy_rtx_and_substitute): When copying
5990 an ignored return value, strip REG_FUNCTION_VALUE_P.
5991
5992 2001-01-06 Michael Hayes <mhayes@redhat.com>
5993
5994 * loop.c (debug_biv, debug_giv): New.
5995 (loop_biv_dump): Break out from ...
5996 (record_biv): ... here.
5997 (loop_giv_dump): Break out from ...
5998 (record_giv): ... here.
5999 (loop_bivs_check): Use print_simple_rtl.
6000 * unroll.c (loop_iterations): Use print_simple_rtl.
6001
6002 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6003
6004 * pa.md (return, return_internal): Modify patterns to prevent regrename
6005 mucking with the return pointer.
6006
6007 2001-01-05 Richard Henderson <rth@redhat.com>
6008
6009 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6010
6011 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6012
6013 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6014 version supplied by Matteo Frigo.
6015
6016 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6017
6018 * cpp.texi: Update for -MQ.
6019 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6020 (cpp_cleanup): Always free pfile->deps.
6021 (initialize_dependency_output): Don't create pfile->deps.
6022 (cpp_handle_option): Similarly.
6023 (OPT_MQ): New.
6024 * gcc.c (cpp_options): Handle -MQ.
6025 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6026 * mkdeps.c (base_name): Remove.
6027 (deps_init): Don't allocate vector space until it's needed.
6028 (deps_free): Only free vectors if allocated.
6029 (deps_add_target, deps_add_dep): Update for initial allocation.
6030 (deps_add_default_target): Don't strip to the base_name.
6031
6032 2001-01-05 DJ Delorie <dj@redhat.com>
6033
6034 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6035 (INIT_EXPANDERS): Define.
6036
6037 * config/v850/v850.c (struct machine_function): Define.
6038 (v850_save_machine_status): New function.
6039 (v850_restore_machine_status): New function.
6040 (v850_return_addr): New function.
6041 (v850_init_expanders): New function.
6042
6043 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6044 and v850_init_expanders.
6045
6046 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6047
6048 * cpplib.h (struct cpp_reader): Add help_only field.
6049 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6050 (cpp_handle_option): Set pfile->help_only if we see -h,
6051 --help, -target-help, or --version. Print version string but
6052 do not set help_only if we see -v or -version. Make text
6053 printed by -v match that printed by (-)-version.
6054
6055 * cppmain.c (main): Exit after option parsing if
6056 pfile->help_only is true.
6057
6058 * toplev.c (independent_decode_option): Call print_version,
6059 then exit, if we see --version (but not -version).
6060 (print_version): Split lengthy message into two lines.
6061
6062 2001-01-05 Nick Clifton <nickc@redhat.com>
6063
6064 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6065 temporary string for initialisation before calling ggc_alloc_string.
6066
6067 2001-01-06 Michael Hayes <mhayes@redhat.com>
6068
6069 * rtl.h (print_simple_rtl): New.
6070 * print-rtl.c (print_simple_rtl): New.
6071 (flag_simple): New.
6072 (print_rtx): Disable printing of flags and modes, etc.,
6073 if `flag_simple` nonzero.
6074
6075 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6076
6077 * function.c (fixup_var_refs): Use push_to_full_sequence where
6078 possible.
6079
6080 2001-01-05 Michael Meissner <meissner@redhat.com>
6081
6082 * flags.h (flag_reorder_blocks): Add declaration.
6083 (flag_rename_block): Ditto.
6084
6085 2001-01-05 DJ Delorie <dj@redhat.com>
6086
6087 * function.c (reorder_blocks): Make sure the flags are all reset
6088 before using them to mark blocks, else a second invocation will
6089 corrupt the block chain.
6090 (reorder_blocks_0): New, resets the flags.
6091
6092 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6093
6094 * cse.c (find_comparison_args): Stop if the argument is known to
6095 be constant.
6096
6097 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6098
6099 * config/sh/sh.md (movdf): When splitting load into pair of
6100 registers, don't clobber the register used in the address too
6101 early.
6102
6103 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6104
6105 * varasm.c (mark_constant_pool): Improve initial comments.
6106 (mark_constants): Move marking of constants to mark_constant.
6107 (mark_constant): New function to recursively mark all constants
6108 referred to by a constant.
6109
6110 2001-01-05 Catherine Moore <clm@redhat.com>
6111
6112 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6113
6114 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6115
6116 * cp/lang-options.h: Bring comment in line with reality.
6117 * f/lang-options.h: Likewise.
6118 * java/lang-options.h: Likewise.
6119 * objc/lang-options.h: Likewise.
6120 * ch/lang-options.h: Likewise.
6121 * f/g77.texi: And update the manual.
6122
6123 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6124 Denis Chertykov <denisc@overta.ru>
6125
6126 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6127 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6128 * config/avr/avr.md (all peepholes that request a scratch register):
6129 Call it, FAIL the peephole if not safe (in interrupt functions).
6130
6131 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6132
6133 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6134
6135 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6136
6137 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6138 Define.
6139 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6140 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6141 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6142 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6143 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6144 BUILT_IN_CIMAG.
6145 * extend.texi: Document these builtins.
6146
6147 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6148
6149 * c-common.c (lang_get_alias_set): Say we know nothing of
6150 VECTOR_TYPE aliasing.
6151
6152 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6153
6154 2001-01-05 Bruce Korb <bkorb@gnu.org>
6155
6156 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6157 their x* equivalent versions for atexit-less systems
6158 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6159 systems (or any other system any more).
6160
6161 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6162
6163 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6164 output operands. Use arm_hard_register_operand for operand 4.
6165 (stmsi_postinc): Similarly.
6166 (ldmsi): Use arm_hard_register_operand for opernand 2.
6167 (stmsi): Similarly.
6168 * arm.c (arm_hard_register_operand): New function.
6169 * arm-protos.h (arm_hard_register_operand): Prototype it.
6170
6171 * arm.h (HARD_REGNO_RENAME_OK): Define.
6172
6173 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6174
6175 * simplify-rtx.c (cfc_args): add "unordered" field.
6176 (check_fold_consts): Set unordered field.
6177 (simplify_relational_operation): Simplify the unordered
6178 comparisons.
6179
6180 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6181 is valid.
6182
6183 * emit-rtl.c (try_split): Fix code to mark labels.
6184 * jump.c (mark_jump_label): Make global.
6185 * rtl.h (mark_jump_label): Declare.
6186
6187 * predict.c (estimate_probability): Handle unordred comparisons.
6188
6189 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6190
6191 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6192 * cppinit.c (initialize_dependency_output): Update.
6193 (cpp_finish): Output dummy targets for -MP.
6194 (OPT_MP): New.
6195 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6196 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6197 * gcc.c (cpp_options): Update to handle -MP.
6198 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6199 to quote only the default target.
6200 (deps_phony_targets): Insert a preceding newline. Rename from
6201 deps_dummy_targets for consistency.
6202 * mkdeps.h: Update
6203
6204 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6205
6206 * calls.c (emit_library_call_value_1): Support
6207 INIT_CUMULATIVE_LIBCALL_ARGS.
6208 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6209
6210 2001-01-04 Richard Henderson <rth@redhat.com>
6211
6212 * c-decl.c (finish_struct): Detect flexible array members
6213 used in an inappropriate context.
6214 * c-typeck.c (really_start_incremental_init): Special case
6215 constructor_max_index for zero length arrays.
6216 (pop_init_level): Allow initialization of flexible array
6217 members. Deprecate initialization of zero length arrays.
6218 Don't issue missing initializer warning for flexible array
6219 members or zero length arrays.
6220 (process_init_element): Don't dereference null DECL_SIZE.
6221 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6222 Don't abort for empty constructors. Use size_binop
6223 (output_constructor): Add commentary regarding zero length
6224 array futures. Abort if we try to initialize an array of
6225 unspecified length with a non-empty constructor in the middle
6226 of a structure.
6227
6228 * extend.texi (Zero Length): Update and clarify documentation
6229 on static initialization.
6230
6231 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6232
6233 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6234 with more than 32767 words of local storage.
6235
6236 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6237
6238 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6239 for 'abs', 'labs', and 'fabs'.
6240 (c4x_expand_builtin): Likewise.
6241 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6242
6243 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6244
6245 * config/sh/sh.md (prget, prset): New insn types.
6246 (return delay slot): Dont' allow prset.
6247 (call, sfunc delay slot): Don't allow prget.
6248 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6249 for prset and prget.
6250
6251 2001-01-05 Michael Hayes <mhayes@redhat.com>
6252
6253 * loop.h (struct loop_reg): New.
6254 (struct loop_regs): Change to use array of `struct loop_reg'.
6255 * loop.c: Replace assortment of varrays with single regs array.
6256 (count_one_set): Delete may_not_move array argument
6257 and use regs array instead. All caller's changed.
6258 (count_loop_regs_set): Delete may_not_move and single_usage
6259 arguments and use regs array instead. All caller's changed.
6260 (find_single_use_in_loop): Replace usage array argument with pointer
6261 to regs structure. All caller's changed.
6262 (loop_optimize): Delete `moved_once' array.
6263
6264 2001-01-05 Michael Hayes <mhayes@redhat.com>
6265
6266 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6267 Use it instead of loop_info->has_call for scanning loop mems.
6268 (check_dbra_loop): Replace loop_info->has_call test with
6269 loop_info->has_nonconst_call.
6270
6271 2000-01-04 Matthew Hiller <hiller@redhat.com>
6272
6273 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6274 for TARGET_SH3E.
6275
6276 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6277
6278 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6279 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6280
6281 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6282
6283 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6284 (flag_short_double, flag_short_wchar): Define.
6285 (c_common_nodes_and_builtins): Create many tree nodes shared
6286 between C and C++ here instead of in cp/decl.c and ...
6287 * c-decl.c (init_decl_processing): ... here.
6288 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6289 (flag_short_double, flag_short_wchar): Don't define.
6290 (record_builtin_type): New function.
6291 (build_void_list_node): New function.
6292 * c-common.h (flag_short_double, flag_short_wchar,
6293 record_builtin_type, build_void_list_node): Declare.
6294
6295 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6296
6297 * integrate.c (expand_inline_function): Don't put a virtual
6298 register into the reg map.
6299
6300 * function.c (fixup_var_refs_1): If force_operand didn't put
6301 the address into the target, move it there.
6302
6303 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6304
6305 Special-case tree_decl/tree_list allocations.
6306 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6307 (OBJECT_SIZE): New macro.
6308 (NUM_EXTRA_ORDER): Likewise.
6309 (extra_order_size_table): New variable.
6310 (NUM_ORDERS): New macro.
6311 (objects_per_page_table): New variable.
6312 (object_size_table): New variable.
6313 (G.pages): Use NUM_ORDERS to bound the array.
6314 (G.page_tails): Likewise.
6315 (DIV_ROUND_UP): Remove.
6316 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6317 (alloc_page): Use OBJECT_SIZE.
6318 (size_lookup): Don't make it const.
6319 (ggc_alloc): Use OBJECT_SIZE.
6320 (ggc_set_mark): Likewise.
6321 (ggc_get_size): Likewise.
6322 (init_ggc): Set up the object_size_table, objects_per_page_table,
6323 and adjust size_lookup.
6324 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6325 (ggc_pop_context): Use NUM_ORDERS.
6326 (clear_marks): Likewise.
6327 (sweep_pages): Likewise.
6328 (poison_pages): Likewise.
6329 (ggc_print_statistics): Use OBJECT_SIZE.
6330
6331 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6332
6333 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6334 Only call array_size_for_constructor if last field and array type
6335 with no upper bound.
6336
6337 2001-01-04 Philip Blundell <philb@gnu.org>
6338
6339 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6340 from bit 31 downwards, if this requires no more insns.
6341 (count_insns_for_constant): New helper function for above.
6342
6343 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6344
6345 * gencodes.c (output_predicate_decls): Remove empty initializer.
6346
6347 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6348
6349 * tree.c (copy_node): Remove documentation about obstacks.
6350 (buidl1): Check that nobody tries to build 2-argument nodes this
6351 way.
6352
6353 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6354
6355 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6356 fp_high_losum_p.
6357
6358 * gencodes.c (output_predicate_decls): Fill empty initializer
6359 braces.
6360
6361 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6362
6363 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6364 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6365 or -MM.
6366 (do_include): Handle missing headers like cpp0.
6367 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6368 paths with first include pathname. Don't strcat to uninitialized
6369 string.
6370
6371 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6372
6373 * regrename.c (regrename_optimize): Don't rename from frame pointer
6374 if frame_pointer_needed.
6375 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6376 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6377 (ia64_reorg): Use it instead of scheduling if ! optimize.
6378 (errata_emit_nops): Properly call asm_noperands.
6379 (ia64_sched_reorder): Finish cycle if we see an asm.
6380 (ia64_variable_issue): Clear scheduling state after asms.
6381
6382 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6383
6384 * cpp.texi: Update for -MT.
6385 * cppinit.c (initialize_dependency_output): Add a default
6386 target if none has been given already.
6387 (no_tgt, OPT_MT): New.
6388 (cpp_handle_option): Handle -MT. Update -M etc.
6389 * cpplib.h (struct cpp_options): Remove deps_target.
6390 * gcc.c (cpp_options): Handle -MT.
6391 * mkdeps.c (struct deps): Move from mkdeps.h.
6392 (deps_calc_target): Rename deps_add_default_target. Add a
6393 default target if none has been specified already.
6394 * mkdeps.h (struct deps): Move to mkdeps.c.
6395 (deps_calc_target): Rename deps_add_default_target.
6396
6397 2000-01-03 Richard Henderson <rth@redhat.com>
6398
6399 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6400 Remove dead code.
6401 * c-typeck.c (push_init_level): Move checks for flexible array
6402 members and zero length arrays ...
6403 (pop_init_level): ... here. Silently discard empty initializations.
6404 Remove dead code.
6405 * varasm.c (output_constructor): Update for sizeof change to
6406 zero-length arrays.
6407
6408 * extend.texi (Zero Length): Clarify semantics.
6409
6410 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6411
6412 * configure.in (tm.h): Include isns-codes.h last.
6413 * configure: Rebuilt.
6414
6415 2001-01-03 Richard Henderson <rth@redhat.com>
6416
6417 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6418 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6419
6420 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6421
6422 * tradcpp.c (main): Make sure finclude() is called with a valid
6423 indepth value while handling -include.
6424
6425 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6426
6427 * gencodes.c (output_predicate_decls): New function.
6428 (main): Call it.
6429 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6430 even if it is not the first time machmode.h is #included.
6431 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6432 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6433 * gcc.texi (Copyright): Added 2001.
6434
6435 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6436
6437 * c-common.c (c_common_lang_init): New function. Warn if format
6438 warning options which only have effects when used with -Wformat
6439 are used without -Wformat.
6440 * c-common.h (c_common_lang_init): Declare.
6441 * c-lang.c (lang_init): Call c_common_lang_init.
6442 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6443
6444 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6445
6446 * configure.in: Check for the mktemp command.
6447 * configure: Regenerate.
6448 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6449 $TEMP. Create temporary files with mktemp, if available at
6450 configure time; otherwise use set -C. Remove temporary files
6451 before exit.
6452
6453 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6454
6455 * configure.in: Require at least texinfo 4.0. Check for whether
6456 Pod::Man is sufficiently recent to regenerate GCC manpages.
6457 * configure: Regenerate.
6458 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6459 on #!.
6460 (GENERATED_MANPAGES): Define.
6461 (generated-manpages): New target. Depend on cpp.1 as well as
6462 gcov.1.
6463 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6464 configure to generated-manpages or empty) rather than on the
6465 manpages directly. Remove execute permission from installed
6466 gcov.1 as well as cpp.1.
6467 * cpp.1, gcov.1: Regenerate.
6468
6469 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6470
6471 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6472 tree_low_cst. Allow using cmpstrsi in more cases.
6473
6474 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6475
6476 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6477 sized types.
6478
6479 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6480
6481 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6482 * Makefile.in (HOST_CFLAGS): Mention build-make.
6483
6484 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6485
6486 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6487 as JUMP_INSN.
6488
6489 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6490
6491 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6492 a REG rtx.
6493
6494 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6495 callers changed.
6496
6497 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6498 reg_base_value and reg_known_value arrays.
6499 (init_alias_analysis): Add more cases to detect known values.
6500 * sched-deps.c (deps_may_trap_p): New function.
6501 (sched_analyze_2): Use it.
6502
6503 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6504
6505 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6506 don't discard an ASHIFTRT if we're shifting in a wider mode.
6507
6508 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6509
6510 * toplev.c (rest_of_compilation): Don't print basic block information
6511 when CFG isn't up to date.
6512
6513 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6514
6515 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6516 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6517 (UNALIGNED_SHORT_ASM_OP): Define.
6518 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6519
6520 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6521
6522 * fold-const.c (fold_convert): Fix typo.
6523
6524 2001-01-02 Richard Henderson <rth@redhat.com>
6525
6526 * c-common.h (ASM_INPUT_P): New.
6527 * c-parse.in (asm): Set it when needed.
6528 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6529 existance of an operand.
6530
6531 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6532
6533 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6534 (dwarf2out_frame_debug_expr): Likewise.
6535 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6536
6537 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6538
6539 * i386.c (ix86_split_to_parts): Return number of part required;
6540 handle TFmodes.
6541 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6542 TFmodes.
6543 (ix86_split_long_move): Use number of part returned
6544 by ix86_split_to_parts
6545 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6546 New macros.
6547 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6548 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6549 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6550 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6551 (ALIGN_MODE_128): Add TFmode.
6552 (IS_STACK_MODE): Likewise.
6553 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6554 (HARD_REGNO_OK): Support TFmodes.
6555 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6556 * i386.md (scheduler definitions): Use memory operand to determine
6557 fst/fld instructions; use mode attribute to determine real mode of
6558 the instruction.
6559 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6560 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6561
6562 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6563
6564 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6565
6566 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6567
6568 * expr.c (store_constructor_field): Update ALIGN before calling
6569 store_constructor.
6570
6571 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6572
6573 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6574 host_integerp.
6575
6576 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6577
6578 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6579 incomplete type.
6580
6581 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6582
6583 * c-decl.c (start_function): Don't warn on third parameter to main.
6584
6585 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6586
6587 * tsystem.h: Define HAVE_DECL_GETOPT.
6588
6589 2001-01-02 Philip Blundell <pb@futuretv.com>
6590
6591 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6592 of input operand.
6593
6594 2001-01-02 Richard Henderson <rth@redhat.com>
6595
6596 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6597
6598 2001-01-02 Andreas Jaeger <aj@suse.de>
6599
6600 * c-decl.c (c_decode_option): Remove support of
6601 -Wmissing-noreturn.
6602
6603 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6604 (W_options): Add -Wmissing-noreturn here.
6605
6606 * flow.c: Define lang_missing_noreturn_ok_p.
6607 (check_function_return_warnings): Use it.
6608
6609 * c-common.h: Declare lang_missing_noreturn_ok_p.
6610
6611 * c-lang.c (c_missing_noreturn_ok_p): New function.
6612 (lang_init): Set lang_missing_noreturn_ok_p.
6613
6614 * invoke.texi (Warning Options): Document this.
6615
6616 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6617
6618 * extend.texi (C++ Extensions): New node for C++ attributes;
6619 describe init_priority and com_interface.
6620 * invoke.texi: Remove -finit-priority as it now has zero effect.
6621 * install.texi: Fix xref syntax.
6622 * md.texi: Likewise.
6623
6624 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6625
6626 * config.gcc (sparc64-wrs-vxworks*): New case.
6627 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6628
6629 * config/sparc/sparc.c (sparc_override_options): Do support different
6630 pointer and architecture size.
6631 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6632 (POINTERS_EXTEND_UNSIGNED): Define.
6633 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6634 (FUNCTION_MODE): Define to be Pmode.
6635 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6636
6637 * function.c (expand_function_end): Properly handle DECL_RESULT
6638 and copy when ptr_mode != Pmode.
6639 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6640
6641 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6642
6643 * c-common.c (c_common_nodes_and_builtins): Set prototype
6644 parameters for __builtin_fputs, __builtin_fputc and
6645 __builtin_fwrite. Don't declare plain fputc as a builtin.
6646
6647 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6648
6649 * loop.c (add_label_notes): Increment the label usage count when
6650 a note is added to an insn which refers to a CODE_LABEL.
6651 * gcse.c (add_label_notes): Likewise.
6652
6653 2001-01-01 Andreas Jaeger <aj@suse.de>
6654
6655 * loop.c (scan_loop): Use xmalloc to allocate movables.
6656
6657 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6658
6659 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6660 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6661 * reload1.c (REGISTER_MOVE_COST): Likewise.
6662 * regclass.c (REGISTER_MOVE_COST): Likewise.
6663 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6664 dimension. Adjust all users.
6665 (init_reg_sets_1): Iterate on all modes.
6666 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6667 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6668 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6669 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6670 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6671 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6672 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6673 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6674 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6675 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6676 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6677 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6678 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6679 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6680 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6681 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6682 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6683 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6684 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6685 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6686 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6687 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6688 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6689 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6690 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6691 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6692 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6693
6694 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6695
6696 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6697 arg VARIES_P. Call it with extra arg.
6698 (true_dependence): Likewise.
6699 * rtl.h (rtx_addr_can_trap_p): Declare.
6700 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6701 prototypes.
6702 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6703 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6704 pic offset table register if it's zero. All callers changed.
6705 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6706
6707 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6708
6709 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6710 STRING_POOL_ADDRESS_P.
6711
6712 * config/sparc/sparc.c (input_operand): Properly test for short op.
6713
6714 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6715 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6716 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6717 * config/sparc/elf.h: No longer include sol2.h.
6718 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6719 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6720
6721 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6722
6723 2001-01-01 Michael Hayes <mhayes@redhat.com>
6724
6725 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6726 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6727 (record_initial): Likewise.
6728 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6729 (remap_split_bivs): Likewise.
6730
6731 2001-01-01 Michael Hayes <mhayes@redhat.com>
6732
6733 * loop.c (loop_ivs_free): New function.
6734 (strength_reduce): Break out from...
6735
6736 2001-01-01 Michael Hayes <mhayes@redhat.com>
6737
6738 * loop.h (struct iv): New.
6739 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6740 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6741 'reg_biv_class' fields with 'regs' and 'n_regs'.
6742 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6743 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6744 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6745
6746 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6747
6748 * resource.c (mark_referenced_resources): Abort() before
6749 attempting to mark a pseudo register.
6750 (mark_set_resources): Likewise.
6751
6752 2001-01-01 Michael Hayes <mhayes@redhat.com>
6753
6754 * loop.h (REG_IV_CLASS): New accessor macro.
6755 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6756 * unroll.c (REG_IV_CLASS): Likewise.
6757
6758 See ChangeLog.4 for earlier changes.
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