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