1 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
3 * i386.md (pushqi1): New.
4 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
5 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
6 x86_64_immediate_operand, x86_64_immediate_operand,
7 x86_64_zext_immediate_operand): Declare.
8 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
9 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
10 x86_64_immediate_operand, x86_64_immediate_operand,
11 x86_64_zext_immediate_operand): define.
12 * i386.h (PREDICATE_CODES): Add new predicates.
14 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
16 * i386.md (pophi1, popqi1, pushqi1): Remove.
18 * expr.c (emit_single_push_insn): New function.
19 (move_by_pieces): Accept NULL as destination for push instructions.
20 (gen_push_operand): Kill.
21 (emit_push_insn): Pass NULL when pushing; avoid updating of
23 * expr.h (gen_push_operand): Kill.
25 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
27 * rtl.texi (COMPARE): Clarify documentation and reference section
30 2001-03-20 Stan Shebs <shebs@apple.com>
32 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
33 (get_object_reference): Ditto.
34 (error_with_ivar): Use error_with_file_and_line.
35 (warn_with_method): Use warning_with_file_and_line.
37 2001-03-20 Tom Tromey <tromey@redhat.com>
39 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
41 2001-03-20 Mark Mitchell <mark@codesourcery.com>
43 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
44 variables that are TREE_PUBLIC, even if not TREE_STATIC.
46 2001-03-20 DJ Delorie <dj@redhat.com>
48 * Makefile.in (install-libgcc): Pass complete list of variables.
49 (install-multilib): Ditto.
51 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
53 * config/i386/cygwin.h: Declare ctor_section, dtor_section
54 drectve_section, switch_to_section.
56 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
57 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
58 i386_pe_mark_dllimport.
60 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
62 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
65 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
66 i386_pe_* functions with char * arguments.
68 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
70 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
72 (movsi_ie): Introduce fpul store.
74 2001-03-20 Alan Modra <alan@linuxcare.com.au>
76 * Makefile.in (OBJS): Remove hashtab.o.
78 2001-03-19 Stan Shebs <shebs@apple.com>
80 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
81 * c-lang.c (maybe_objc_method_name): Ditto.
82 * c-tree.h (maybe_objc_method_name): Remove decl.
84 2001-03-19 Tom Tromey <tromey@redhat.com>
86 * gcc.c (init_gcc_specs): Fix comment.
88 2001-03-19 Mark Mitchell <mark@codesourcery.com>
90 Compute DECL_ASSEMBLER_NAME lazily.
91 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
92 (DECL_ASSEMBLER_NAME_SET_P): New macro.
93 (SET_DECL_ASSEMBLER_NAME): Likewise.
94 (COPY_DECL_ASSEMBLER_NAME): Likewise.
95 (set_decl_assembler_name): Declare.
96 (lang_set_decl_assembler_name): Likewise.
97 * tree.c (lang_set_decl_assembler_name): New variab.e
98 (set_decl_assembler_name): New function.
99 (init_obstacks): Set lang_set_decl_assembler_name.
100 (build_decl): Don't set DECL_ASSEMBLER_NAME.
101 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
102 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
103 where it's not necessary.
104 (builtin_function): Likewise.
105 (finish_decl): Likewise.
106 * dbxout.c (dbxout_type_methods): Likewise.
107 * ggc-common.c (ggc_mark_trees): Likewise.
108 * profile.c (output_func_start_profiler): Likewise.
109 * varasm.c (make_decl_rtl): Likewise.
111 * cse.c (find_comparison_args): Update documentation. Fix
112 mishandling of COMPARE operations.
114 * tree.def (ABS_EXPR): Add documentation.
115 * fold-const.c (fold): Improve folding of ABS_EXPRs.
117 2001-03-19 Zack Weinberg <zackw@stanford.edu>
119 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
121 2001-03-19 Jakub Jelinek <jakub@redhat.com>
123 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
124 Remove ia32 linux PIC kludge and move it...
125 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
127 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
129 * i386.md (absdf2 expander): Fix 64bit case.
131 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
133 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
135 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
137 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
139 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
141 * README.X11: Remove obsolete file.
143 2001-03-18 Anthony Green <green@redhat.com>
145 * config/pj/pj.h: Remove some trailing commas.
146 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
148 2001-03-18 Richard Henderson <rth@redhat.com>
150 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
152 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
153 defaults for them here.
155 2001-03-17 Anthony Green <green@redhat.com>
157 * config/pj/lib1funcs.S: Fix broken comment.
158 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
161 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
163 * gcc.texi: Remove obsolete information relating to build and
164 installation problems with enquire or the Pyramid C compiler.
166 2001-03-17 Richard Henderson <rth@redhat.com>
168 * dwarf2out.c (queue_reg_save): New.
169 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
170 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
172 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
173 (cfa, cfa_store, cfa_temp): Make static.
174 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
176 2001-03-17 Richard Henderson <rth@redhat.com>
178 * integrate.h (struct inline_remap): Add local_return_label.
179 * integrate.c (expand_inline_function): Initialize it and emit
180 it after copy_insn_notes.
181 (copy_insn_list): Don't store local_return_label here.
182 (copy_insn_notes): New function split out from copy_insn_list.
184 2001-03-17 Richard Henderson <rth@redhat.com>
186 * dwarf2out.c (lookup_filename): Emit .file if the assembler
187 is generating .debug_line.
188 (dwarf2out_init): Add main_input_filename to the file table first.
189 * configure.in (as_dwarf2_debug_line): Test with file number 1
190 instead of file number 0.
192 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
194 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
195 (gen_rtx_combine): Deleted; all references changed as appropriate.
196 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
198 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
200 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
202 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
205 2001-03-16 Jim Wilson <wilson@redhat.com>
207 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
208 then set it to LOC_REG (79) instead of aborting.
210 2001-03-16 Phil Edwards <pme@sources.redhat.com>
212 * gccbug.in: Remove high priority.
214 2001-03-16 Richard Henerson <rth@redhat.com>
216 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
217 output with a space instead of deleting it.
218 * configure: Regenerate.
220 2001-03-16 Zack Weinberg <zackw@stanford.edu>
222 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
223 handles the gory details of converting an object file into
224 something that's safe to grep.
225 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
226 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
227 newlines at either end of the string we're looking for.
228 Make 'checking ...' message less stilted.
229 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
230 ARM in-memory layout and its hypothetical converse. Don't
231 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
232 HOST_WORDS_BIG_ENDIAN.
234 * configure.in: Adjust for renamed macro. Move
235 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
236 * configure, config.in: Regenerate.
238 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
240 * fixinc/Makefile.in: Set SHELL.
242 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
244 * fixinc/fixincl.c (fix_with_system): Quote file names before
245 passing them to shell.
247 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
249 * Makefile.in: Use fix-header$(build_exeext) instead
252 2001-03-16 Richard Henderson <rth@redhat.com>
254 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
255 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
256 (size_of_line_prolog): Remove.
257 (output_line_info): Compute prologue size via label difference.
258 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
260 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
261 assembler error when redefining file numbers.
262 * config.in, configure: Rebuild.
264 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
265 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
266 (dw2_asm_output_delta_uleb128): Likewise.
267 (dw2_asm_output_delta_sleb128): Similarly.
268 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
270 2001-03-16 Michael Meissner <meissner@redhat.com>
272 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
274 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
276 (BITMASK_LOWER16): Replacement for 0x0000ffff.
278 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
279 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
280 being unsigned in ISO C and signed in traditional.
281 (expand_prologue): Ditto.
282 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
284 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
286 (divsi3,divdi3): Ditto.
287 (modsi3,moddi3): Ditto.
288 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
289 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
290 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
293 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
295 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
296 SSE based conditional moves on LTGT/UNEQ conditions;
297 Canonicalize EQ to NE.
298 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
299 (sse_mov?fcc_ne): New.
301 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
303 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
305 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
306 register may be dead.
308 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
310 * Makefile.in (hash.o): Depend on CONFIG_H.
312 2001-03-15 Mark Mitchell <mark@codesourcery.com>
314 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
316 2001-03-15 Richard Henderson <rth@redhat.com>
318 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
319 (ASM_OUTPUT_DWARF_PCREL): New.
320 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
322 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
324 * cppfiles.c (stack_include_file): Use MAX of sysp.
326 2001-03-15 Steve Ellcey <sje@cup.hp.com>
328 * config.gcc (ia64*-*-hpux*): New case.
329 * config/ia64/hpux.h: New file for HP-UX support.
330 * config/ia64/t-hpux: New file for HP-UX support.
332 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
334 * fixinc/inclhack.def (irix_stdio_va_list): New.
335 * fixinc/fixincl.x: Rebuilt.
337 2001-03-15 Richard Henderson <rth@redhat.com>
339 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
340 if provided by the target.
341 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
342 (dw2_asm_output_addr): New.
343 * dwarf2asm.h (dw2_asm_output_addr): Declare.
344 * dwarf2out.c (output_cfi): Use it for program addresses.
345 (output_call_frame_info, output_die): Likewise.
346 (output_aranges, output_line_info): Likewise.
348 2001-03-15 Bruce Korb <bkorb@gnu.org>
350 * gcc.c(main): make more rigorous
351 * collect2.c(main): guard against ignoring SIGCHLD
352 * protoize.c(main): ditto
353 * gcc/fixinc/fixincl.c(initialize): ditto
355 2001-03-15 Mark Mitchell <mark@codesourcery.com>
357 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
358 (sdbout_parms): Likewise.
360 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
362 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
363 "widen" a destination that is already wider than a word. Also do
364 not widen if LOAD_EXTEND_OP is NIL for the given mode.
366 2001-03-15 Bernd Schmidt <bernds@redhat.com>
368 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
370 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
372 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
374 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
376 * i960.h (i960_maxbitalignment,
377 i960_last_maxbitalignment): Declare.
378 * i960.c (i960_maxbitalignment,
379 i960_last_maxbitalignment): Make global.
380 (process_pragma): Delete.
381 (i960_pr_align, i960_pr_noalign): Move from here ...
382 * i960-c.c: ... to this new file.
383 * t-960bare (i960-c.o): New rule.
384 * t-vxworks960 (i960-c.o): Likewise.
385 * config.gcc (i960-*-*): Define c_target_objs and
388 2001-03-15 Bernd Schmidt <bernds@redhat.com>
390 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
391 without adding in rtx code and mode.
393 * alias.c (init_alias_analysis): Don't use any rtx whose value
394 varies as a known value.
395 Delete a superfluous test.
397 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
399 (ia64_sched_reorder): Call maybe_rotate; also rotate after
400 scheduling a stop bit.
401 (ia64_emit_nops): Correctly handle ASMs.
403 2001-03-15 Mark Mitchell <mark@codesourcery.com>
405 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
407 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
409 * cpp.texi: Update documentation for -include and -imacros.
410 * cppfiles.c (struct include_file): Remove "defined" memeber.
411 (find_or_create_entry): Make a copy of the file name, and
413 (open_file): Update to ensure we use the simplified filename.
414 (stack_include_file): Don't set search_from.
415 (cpp_included): Don't simplify the path name here.
416 (find_include_file): New prototype. Call search_from to
417 get the start of the "" include chain. Don't simplify the
419 (_cpp_execute_include): New prototype. Move diagnostics to
420 do_include_common. Update.
421 (_cpp_pop_file_buffer): Don't set defined.
422 (search_from): New prototype. Use the preprocessor's cwd
423 for files included from the command line.
424 (read_name_map): Don't simplify the pathname here.
425 * cpphash.h (enum include_type): New.
426 (struct buffer): Delete search from. New search_cached.
427 (_cpp_execute_include): Update prototype.
428 * cppinit.c (do_includes): Use _cpp_execute_include.
429 * cpplib.c (do_include_common): New function.
430 (do_include, do_include_next, do_import): Use it.
432 2001-03-14 Mark Mitchell <mark@codesourcery.com>
434 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
435 contents of the RTL, to determine the name of the object.
437 2001-03-14 Mark Mitchell <mark@codesourcery.com>
439 * tree.h (DECL_RTL): Allocate RTL lazily.
440 (SET_DECL_RTL): New macro.
441 (DECL_RTL_SET_P): Likewise.
442 (COPY_DECL_RTL): Likewise.
443 (DECL_RTL_IF_SET): Likewise.
444 * varasm.c (make_decl_rtl): Add assertions about the kind of
445 declaration we are processing.
446 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
447 (start_decl): Likewise.
448 (finish_decl): Likewise.
449 * c-semantics.c (emit_local_var): Likewise.
450 * calls.c (expand_call): Likewise.
451 * dbxout.c (dbxout_symbol): Likewise.
452 * emit-rtl.c (unshare_all_rtl): Likewise.
453 (unshare_all_decls): Likewise.
454 (reset_used_decls): Likewise.
455 * expr.c (store_constructor): Likewise.
456 (safe_from_p): Likewise.
457 (expand_expr): Likewise.
458 * function.c (put_var_into_stack): Likewise.
459 (instantiate_decls_1): Likewise.
460 (assign_parms): Likewise.
461 (expand_function_start): Likewise.
462 (expand_function_end): Likewise.
463 * ggc-common.c (gcc_mark_trees): Likewise.
464 * integrate.c (function_cannot_inline_p): Likewise.
465 (copy_decl_for_inlining): Likewise.
466 (expand_inline_function): Likewise.
467 (integrate_parm_decls): Likewise.
468 (integrate_decl_tree): Likewise.
469 * print-tree.c (print_node): Likewise.
470 * reg-stack.c (stack_result): Likewise.
471 * stmt.c (label_rtx): Likewise.
472 (expand_return): Likewise.
473 (expand_decl): Likewise.
474 (expand_decl_cleanup): Likewise.
475 (expand_anon_union_decl): Likewise.
476 * toplev.c (check_global_declarations): Likewise.
477 (rest_of_decl_compilation): Likewise.
478 * tree.c (simple_cst_equal): Likewise.
479 * objc/objc-act.c (generate_static_references): Likewise.
481 2001-03-14 Zack Weinberg <zackw@stanford.edu>
483 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
484 gcc_AC_C_FLOAT_FORMAT): New macros.
485 * configure.in: Add AC_PROG_CPP after CC tests;
486 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
487 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
488 * configure, config.in: Regenerate.
490 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
491 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
492 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
493 config/i370/xm-linux.h, config/i370/xm-oe.h,
494 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
495 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
496 config/pa/xm-linux.h, config/pa/xm-pa.h,
497 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
498 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
499 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
500 config/we32k/xm-we32k.h: Delete.
502 * config/i370/xm-mvs.h, config/m88k/m88k.h,
503 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
504 config/vax/xm-vms.h: Don't define any of:
505 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
507 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
509 * config.gcc: Remove references to deleted files.
510 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
511 FATAL_EXIT_CODE, which is the same between oe and mvs).
513 2001-03-14 DJ Delorie <dj@redhat.com>
514 Vladimir Makarov <vmakarov@redhat.com>
516 * config/i960/i960.c (i960_function_prologue): Compute size of
517 frame according to number of registers actually saved there.
519 2001-03-14 Richard Henderson <rth@redhat.com>
521 * expr.c (emit_move_insn_1): Fix else if around #endif.
523 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
526 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
529 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
531 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
532 (override_options): Parse cmodel string.
533 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
534 * i386.h (TARGET_OPTIONS): Add "cmodel".
535 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
537 (ix86_cmodel_string, ix86_cmodel): Declare.
539 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
542 * i386.h (GENERAL_REG_P): Add missing REG_P.
544 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
546 * configure.in: Use $gcc_cv_as instead of $as.
547 * configure: Regenerated.
549 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
551 * cppfiles.c (stack_include_file): Only increase the include
552 count if we actually process the file properly, as opposed
553 to treating it as length zero. Only call read_include_file
554 if not DO_NOT_REREAD. Handle the -H include file output
556 (read_include_file): Remove now redundant DO_NOT_REREAD check.
557 (cpp_included, find_include_file): Simplify pathnames after
558 remapping them. If remapping, don't use the remapped file
559 name's buffer as our scratch buffer.
560 (cpp_pop_file_buffer): Replace the multiple include macro
561 only if it isn't yet set.
562 (read_name_map): Simplify remapped names when reading in.
563 (remap_filename): Move code to code path that uses it.
564 (_cpp_simplify_pathname): Return the input pointer.
565 * cpphash.h (_cpp_simplify_pathname): Update prototype.
567 2001-03-14 Mark Mitchell <mark@codesourcery.com>
569 * expr.c (expand_expr): Revove bogus conditional.
571 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
573 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
575 2001-03-14 Jakub Jelinek <jakub@redhat.com>
577 * reg-stack.c (stack_result): Unconditionally use
578 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
580 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
582 * expr.c (emit_move_insn_1): Split push of complex value when
583 no suitable push instruction exist.
585 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
588 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
590 * alias.c (handled_component_p, can_address_p): New functions.
591 (get_alias_set): Use them.
593 2001-03-13 Jim Wilson <wilson@redhat.com>
595 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
596 from 80 in try_locals code.
597 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
599 2001-03-13 Zack Weinberg <zackw@stanford.edu>
601 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
602 gcc_AC_C_LONG_LONG): New.
603 * configure.in: Use them. Probe the size of short, int, long,
604 and long long/__int64 if we have them. Move all the AC_C_*
605 checks together, except gcc_AC_C_CHAR_BIT which has to go
606 after AC_CHECK_HEADERS(limits.h).
607 Take hwint.h out of host_xm_file and build_xm_file.
609 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
610 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
611 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
612 Move the HOST_WIDEST_INT setup logic here from system.h.
613 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
615 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
616 is now handled by hwint.h.
618 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
619 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
620 config/ia64/xm-ia64.h: Don't define any of:
621 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
622 HOST_BITS_PER_LONGLONG.
624 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
625 config/h8300/xm-h8300.h, config/mips/iris6.h,
626 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
627 config/sparc/xm-sp64.h: Delete.
628 * config.gcc: Remove references to deleted files.
630 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
631 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
632 * config/i370/xm-linux.h: Clarify floating-point situation in
635 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
637 * cppfiles.c (NO_INCLUDE_PATH): New macro.
638 (find_include_file): Decide here which part of the include
639 chain to start the search. Complain about an empty include
640 chain in all cases apart from an abolsute file name.
641 (_cpp_execute_include): Don't choose the search chain here.
642 Don't call handle_missing_include in the case of an empty
644 (_cpp_compare_file_date): Don't choose the search chain here.
645 * cpplib.c (do_include_next): Move the in-main-file diagnostic
646 here from _cpp_execute_include. Behave like #include if
647 we're in the main file.
649 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
651 * system.h (malloc, realloc, calloc, strdup): Only poison these
652 tokens when IN_GCC is defined.
654 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
656 * i386.md (abs?f expander): Support SSE case.
657 (abd?f_if): Add new "USE"; add splitters.
659 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
661 * cpp.texi (poison): Explain the macro expansion exception.
663 2001-03-13 Jakub Jelinek <jakub@redhat.com>
665 * expr.c (store_expr): Add dont_store_target. If temp is already in
666 target before copying to reg, don't store it into target again.
668 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
670 * cppinternals.texi: Update for file handling.
672 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
674 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
675 2001-02-24 which broke building the Java library.
676 * function.c (identify_blocks): Likewise.
677 (all_blocks): Likewise.
678 * integrate.c (integrate_decl_tree): Likewise.
679 * print-tree.c (print_node): Likewise.
680 * tree.h (BLOCK_NUMBER): Likewise.
681 (struct tree_block): Likewise.
683 2001-03-12 David Edelsohn <edelsohn@gnu.org>
685 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
686 __WCHAR_TYPE__ definition.
687 (WCHAR_TYPE_SIZE): #undef before #define.
689 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
691 * cppfiles.c: Update comments.
692 (destroy_include_file_node): Rename destroy_node.
693 (find_or_create_entry): New function.
694 (open_file, _cpp_fake_include): Use it.
695 (handle_missing_header): New function, broken out of
696 _cpp_execute include. Don't segfault if there is no
697 system or quoted path.
698 (_cpp_execute_include): Use handle_missing_header.
700 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
702 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
703 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
705 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
707 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
708 unless anti_dependence says they are.
709 * alias.c (objects_must_conflict): If neither has a type specified,
712 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
713 David Billinghurst <David.Billinghurst@riotinto.com>
715 * config/mips/iris5.h: Change WCHAR_TYPE to int.
717 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
719 * i386.md (trunctfdf2_2): Rename missnamed pattern.
720 (*_one_bit): Remove type on the match_operand in attributes.
722 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
724 * i386.c: Commit forgotten hunk in previous patch.
725 (regclass_map): Add extended registers.
726 (dbx_register_map): Add missing frame register.
728 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
730 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
732 * i386.md (x86_sahf_1): Disable for 64bit.
733 (popsi*, pophi*): Likewise.
734 (pushqi, pushhi): Likewise.
735 (movdi, pushdi): Likewise.
736 (zero extend DImode splitter): Likewise.
737 (adddi, minusdi splitter): Likewise.
738 (umulsidi): Likewise.
740 (mulsidi): Disable for 64bit
741 (lshift:DI/ashift:DI): Disable for 64bit.
742 (loop patterns): Likewise.
743 (call_pop, call_value_pop expanders and patterns): Likewise.
744 (prologue_get_pc): Likewise.
746 (fcmovDI pattern and splitter): Likewise.
747 (movdfcc_1_rex64): New.
749 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
751 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
752 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
753 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
754 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
755 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
756 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
757 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
758 (PUSH_ROUNDING): x86_64 rounds to 64bits.
759 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
760 (REGPARM_MAX): Set to 6 for x86_64.
761 (SSE_REGPARM_MAX): Set to 16 for x86_64.
762 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
765 * (patterns that does use upper halves): Update constraints
766 'q' to 'Q' and 'r' to 'R'.
767 (cmpqi_ext_1): Disable for 64bit.
768 (cmpqi_ext_3_insn): Likewise.
769 (movqi_extzv_1): Likewsie.
770 (addqi_ext_1): Liekwsie
771 (testqi_ext_1): Liekwsie
772 (andqi_ext_1): Liekwsie
773 (xorqi_ext_1): Liekwsie
774 (cmpqi_ext_1_rex64): New.
775 (cmpqi_ext_3_insn_rex64): Likewise.
776 (movqi_extzv_1_rex64): Likewsie.
777 (addqi_ext_1_rex64): Liekwsie
778 (testqi_ext_1_rex64): Liekwsie
779 (andqi_ext_1_rex64): Liekwsie
780 (xorqi_ext_1_rex64): Liekwsie
782 2001-03-11 Zack Weinberg <zackw@stanford.edu>
784 * configure.in: Move check for unsigned enumerated bitfields
785 to macro in aclocal.m4. Disable it for now.
786 * configure, config.in: Regenerate.
787 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
788 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
789 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
790 kind above its first use.
792 * config/xm-interix.h, config/alpha/xm-alpha.h,
793 config/i370/xm-linux.h, config/i386/xm-beos.h,
794 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
795 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
796 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
797 Don't define ONLY_INT_FIELDS under any circumstances.
799 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
801 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
802 config/sparc/xm-sysv4.h: Delete - now identical with some
804 * config.gcc (hppa targets): Replace xm-pahpux.h and
805 xm-papro.h with implicit xm-pa.h.
806 (sparc targets): Replace xm-sysv4.h with implicit or explicit
809 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
811 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
812 before reload_cse_noop_set_p.
814 2001-03-11 Zack Weinberg <zackw@stanford.edu>
816 * config.gcc: Where xm-host.h used to include another
817 xm-host.h, list the nested header directly in xm_file. Remove
818 references to deleted files. Can now use sparc/xm-sp64.h for
821 * config/xm-linux.h, config/arm/xm-linux.h,
822 config/i386/xm-dos.h, config/i386/xm-gnu.h,
823 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
824 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
825 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
826 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
829 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
830 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
831 bother to wrap #undef in #ifdef.
832 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
833 Don't include xm-linux.h.
834 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
836 * configure.in: Wrap regexps using [] in changequote block.
837 Use expr : not echo | grep. Simplify regexps.
838 * configure: Regenerate.
840 56 xm-files remain, 22 xm-arch.
842 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
844 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
845 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
846 (local_index, local_rindex): Delete, use strchr/strrchr instead.
847 (copy_object): Fix format specifier vs argument mismatch.
849 * mips-tdump.c: Make local functions static.
850 (rindex): Don't #undef.
851 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
852 (fatal, fancy_abort): Delete.
853 (read_seek): Avoid signed/unsigned compare.
855 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
857 * combine.c (try_combine): Fix error in change to try original
859 (gen_rtx_combine): Do same as gen_rtx for now.
861 2001-03-11 Zack Weinberg <zackw@stanford.edu>
863 * configure.in: AC_SUBST xm_defines.
864 * configure: Regenerate.
865 * Makefile.in: Set DEFINES=$(xm_defines) when building
868 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
870 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
871 (cpp_included, find_include_file): Update.
872 (_cpp_compare_file_date): Make else unconditional.
874 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
876 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
878 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
880 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
881 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
883 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
885 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
886 if it's a record type.
888 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
890 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
891 mingw includes slightly.
893 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
895 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
896 #undef token before poisoning it.
898 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
900 * alpha.c (check_float_value): Use memcpy, not bcopy.
902 * m32r.c (m32r_sched_reorder): Likewise.
904 * vax.c (check_float_value): Likewise.
906 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
908 * toplev.c (file_name_nondirectory): Remove.
909 * toplev.h: Similarly.
910 * dwarf2out.c (compute_section_prefix): Use lbasename instead
911 of file_name_nondirectory.
913 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
915 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
916 * mips-tfile.c: Don't #undef rindex; not used.
918 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
920 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
921 (dbx64_register_map): Declare.
922 (RETURN_ADDR_RTX): Fix for 64bit.
923 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
924 (INCOMING_FRAME_SP_OFFSET): Set to 8.
925 * i386.c (dbx64_register_map): New global array.
926 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
927 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
930 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
932 * cppfiles.c (search_from): Use lbasename.
933 * mkdeps.c (deps_add_default_target): Use lbasename.
935 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
937 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
938 xcalloc in lieu of malloc, realloc & calloc.
940 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
942 * gengenrtl.c (xmalloc): Likewise.
944 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
945 really_call_* memory allocation routines.
947 * stmt.c (check_for_full_enumeration_handling): Use
948 really_call_calloc, not calloc.
950 * system.h (really_call_malloc, really_call_calloc,
951 really_call_realloc): Define.
952 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
954 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
956 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
958 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
960 * configure: Rebuilt.
961 * configure.in: Only use `lang_requires' for languages athat are
964 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
966 * invoke.texi: Fix typo.
969 2001-03-09 Zack Weinberg <zackw@stanford.edu>
971 * configure.in: Prune nonexistent files from build_xm_file,
972 xm_file, and host_xm_file lists. Warn unless they're
974 Don't generate *config.h here.
975 AC_SUBST all variables needed to generate *config.h.
976 * configure: Regenerate.
977 * mkconfig.sh: New helper script, from code removed from
979 * Makefile.in: Zap all MALLOC variables - no longer used
980 anywhere, and malloc.c doesn't exist.
981 Substitute in variables needed to generate *config.h.
982 Stop lying about the dependencies contained in CONFIG_H and
984 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
985 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
986 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
987 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
988 $(TM_P_H), etc. as appropriate.
990 * config.gcc: Zap references to deleted files.
991 * ggc-none.c: Don't include rtl.h or tm_p.h.
993 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
994 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
995 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
996 config/i386/xm-linux.h, config/i386/xm-linux.h,
997 config/i386/xm-next.h, config/i386/xm-openbsd.h,
998 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
999 Don't include i386/xm-i386.h.
1001 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1002 config/i386/xm-i386.h, config/i860/xm-i860.h,
1003 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1004 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1005 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1006 Delete (empty except comments, #includes of other deleted
1007 files, and macros used nowhere).
1009 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1011 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1012 independent on TARGET_FLAGS.
1014 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1016 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1018 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1020 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1022 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1023 LAST_REX_SSE_REG): define.
1024 (enum reg_class): Add 'LEGACY_REGS'
1025 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1026 (SSE_REGNO_P): Recognize extended registers.
1027 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1028 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1029 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1030 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1031 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1032 REG_OK_FOR_STRREG_P): Remove.
1033 (HI_REGISTER_NAMES): Add extended registers.
1034 (ADDITIONAL_REGISTER_NAMES): Likewise.
1035 (QI_REGISTER_NAMES): Add 8bit extended registers.
1036 (DEBUG_REG): Support extended registers.
1037 * i386.c (regclass_map): Add extended registers.
1038 (dbx_register-map): Likewise.
1039 (svr4_dbx_register_map): Likewise.
1040 (print_reg): Support extended registers.
1041 (print_operand): Support 64bit operands.
1043 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1045 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1046 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1047 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1048 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1049 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1050 STACK_BOUNDARY): Set properly for 64bits.
1051 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1052 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1053 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1054 (MOVE_MAX): Set to 16.
1055 (MOVE_MAX_PIECES): 8 for 64bit.
1056 (Pmode): Set to SImode.
1058 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1060 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1062 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1064 * i386.h (mask_64bit): New constant.
1065 (target_64bit): New macro.
1066 (target_options): Add '64'/'32'
1067 (target_default): Define.
1068 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1069 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1070 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1072 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1074 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1076 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1078 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1079 LO_SUM unless for_alias is set.
1081 2001-03-08 Stan Shebs <shebs@apple.com>
1083 * objc/objc-act.c: Fix old typos in comments, add comments for
1085 (hash_init): Fix file name in error message.
1086 (hash_enter): Ditto.
1087 (hash_add_attr): Ditto.
1088 (continue_class): Ditto.
1090 2001-03-08 Bruce Korb <bkorb@gnu.org>
1092 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1093 wait4() can receive the signal.
1095 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1097 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1099 * fixinc/fixincl.x: Regenerate.
1101 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1103 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1105 * fixinc/fixincl.x: Regenerate.
1107 2001-03-08 Richard Henderson <rth@redhat.com>
1109 * configure.in (HAVE_AS_LEB128): New assembler check.
1110 * configure, config.in: Rebuilt.
1112 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1114 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1117 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1119 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1120 references to the MAXPATHLEN macro.
1122 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1123 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1126 * config/i386/xm-gnu.h, config/xm-gnu.h,
1127 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1128 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1129 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1130 and/or unused files.
1132 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1133 doing so in various xm-*.h files.
1135 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1137 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1139 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1141 * configure.in (enable_shared): Support per-package shared-library
1143 * configure: Rebuilt.
1145 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1147 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1148 for crnot. Set operands[5] in splitter.
1150 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1152 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1153 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1154 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1155 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1156 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1157 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1158 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1161 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1162 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1163 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1164 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1165 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1166 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1167 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1168 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1169 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1170 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1171 Delete unused and/or empty files.
1173 * config.gcc: Define USG in xm_defines as appropriate. Define
1174 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1175 macro. Remove deleted xm-* files from $xm_files variable.
1177 2001-03-07 Tom Tromey <tromey@redhat.com>
1179 * configure: Rebuilt.
1180 * configure.in: Allow config-lang.in to set `lang_requires' to list
1181 of other required languages.
1183 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1185 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1187 (output_prologue): Use xmalloc not oballoc.
1188 (output_epilog): Free a29k_first_epilogue_insn when finished.
1189 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1191 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1193 * builtins.c (expand_builtin_mathfn): Check
1194 flag_unsafe_math_optimizations, not flag_fast_math.
1195 (expand_builtin): Likewise
1196 * combine.c (combine_simplify_rtx): Likewise.
1197 (simplify_if_then_else): Likewise.
1198 * cse.c (fold_rtx): Likewise.
1199 * flags.h: Remove flag_fast_math. Add
1200 flag_unsafe_math_optimizations and flag_trapping_math.
1201 * fold-const.c (negate_expr): Check
1202 flag_unsafe_math_optimizations, not flag_fast_math.
1203 (invert_truthvalue): Likewise.
1204 (fold): Likewise. Before associating operands, check that
1205 code == MULT_EXPR, not code != MULT_EXPR.
1206 * ifcvt.c (noce_try_minmax): Check
1207 flag_unsafe_math_optimizations, not flag_fast_math.
1208 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1209 * invoke.texi: Document -funsafe-math-optimizations and
1210 -fno-trapping-math. Change documentation for -ffast-math.
1211 * jump.c (reversed_comparison_code_parts): Likewise.
1212 (rtx_equal_for_thread_p): Likewise.
1213 * optabs.c (emit_conditional_move): Likewise.
1214 * simplify-rtx.c (simplify_binary_operation): Likewise.
1215 (simplify_relational_operation): Likewise.
1216 (simplify_ternary_operation): Likewise.
1217 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1218 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1219 Add trapping-math and unsafe-math-optimizations entries to f_options.
1220 (set_fast_math_flags): New, sets flags for -ffast-math.
1221 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1222 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1223 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1225 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1226 (alpha_emit_conditional_move): Initialize local_fast_math to
1227 flag_unsafe_math_optimizations, not flat_fast_math.
1228 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1229 instead of setting flag_fast_math to 1.
1230 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1232 * config/i386/i386.c (override_options): Likewise
1233 * config/i386/i386.md: Likewise.
1234 * config/m68k/m68k.md: Likewise.
1235 * config/mips/mips.md: Likewise.
1236 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1237 (rs6000_generate_compare): Likewise.
1239 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1241 * Makefile.in: Set RANLIB to @RANLIB@.
1244 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1246 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1247 * fixinc/fixincl.x: Regenerated.
1249 2001-03-07 Richard Henderson <rth@redhat.com>
1251 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1253 2001-03-07 Richard Henderson <rth@redhat.com>
1255 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1256 of block notes and exception handling notes.
1258 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1259 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1260 (compile_file): ... here.
1262 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1264 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1266 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1267 config.h now. Include libiberty.h to handle alloca.
1269 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1271 * c-parse.in (yylexname): New function, split out of _yylex.
1272 (objc_rid_sans_at): New table.
1273 (init_reswords): Initialize it.
1274 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1275 retrieving the next token and checking it for significance as
1276 an ObjC keyword or string constant.
1278 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1279 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1281 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1284 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1286 * config/m68k/m68k.c (const_uint32_operand): Accept any
1287 const_int on a 32-bit host.
1289 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1291 * objc/objc-act.c (init_objc): Set save_lang_status,
1292 restore_lang_status, and mark_lang_status.
1294 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1296 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1298 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1300 * cppinternals.texi: Update.
1302 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1304 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1305 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1306 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1307 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1308 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1309 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1310 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1311 config/i386/xm-i386.h, config/i860/xm-i860.h,
1312 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1313 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1314 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1315 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1316 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1317 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1318 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1319 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1320 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1321 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1322 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1323 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1324 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1325 match the defaults provided in hwint.h.
1327 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1328 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1330 * config.gcc (xm_file): Don't set to files which are deleted.
1332 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1333 guard this file against these macros being undefined.
1335 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1337 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1338 and DECL_DEFER_OUTPUT on the decl we create, before calling
1339 rest_of_decl_compilation.
1341 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1343 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1345 * configure, config.in: Regenerate.
1346 * config.gcc: Remove references to deleted files.
1348 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1349 genrecog.c, rtl.c: Do not use alloca anywhere.
1351 * Makefile.in, build-make, system.h, config/x-interix,
1352 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1353 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1354 config/arc/xm-arc.h, config/arm/xm-arm.h,
1355 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1356 config/h8300/xm-h8300.h, config/i370/x-oe,
1357 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1358 config/i386/x-ncr3000, config/i386/x-sco5,
1359 config/i386/xm-dgux.h, config/i860/x-sysv4,
1360 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1361 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1362 config/m68k/x-hp320g, config/m69k/x-mot3300,
1363 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1364 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1365 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1366 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1367 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1368 config/mips/x-iris, config/mips/x-iris3,
1369 config/mips/x-sni-svr4, config/mips/x-sysv,
1370 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1371 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1372 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1373 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1374 config/pa/xm-papro.h, config/romp/xm-romp.h,
1375 config/rs6000/x-aix31, config/rs6000/x-aix41,
1376 config/rs6000/x-beos, config/rs6000/x-lynx,
1377 config/rs6000/x-mach, config/rs6000/x-rs6000,
1378 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1379 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1380 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1381 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1382 config/vax/xm-vms.h: Eradicate all references to alloca and
1385 * config/xm-alloca.h, config/clipper/x-clix,
1386 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1387 config/i860/x-sysv3, config/m88k/x-sysv3,
1388 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1389 (contained only alloca related hacks).
1391 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1394 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1396 * invoke.texi: Document __FAST_MATH__.
1398 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1400 * crtstuff.c: Restore include of auto-host.h.
1402 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1404 Put main() in a separate file, so that the language
1405 front-end can use a different main().
1408 * toplev.c: (main): Rename as toplev_main.
1409 * toplev.h: Declare toplev_main.
1410 * Makefile.in (OBJS): add toplev.o.
1411 (BACKEND): remove toplev.o, add main.o.
1413 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1415 * cppfiles.c (search_from): Special case the empty string.
1417 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1419 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1420 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1421 strlen or strcpy; we already know the length.
1422 (_cpp_compare_file_date): Similarly.
1423 * cpphash.h (struct cpp_reader): Delete done_initialising.
1424 (CPP_PREV_BUFFER): Delete.
1425 * cppinit.c (cpp_start_read): Don't set done_initialising.
1426 * cpplex.c (parse_string): Guarantee null-termination.
1427 (_cpp_equiv_toklists): Remove.
1428 * cpplib.c (glue_header_name): Null-terminate.
1429 (do_line): Don't leak memory.
1430 * cpplib.h (BT_WEAK): Delete.
1431 * cppmain.c (cb_ident): Strings are now null-terminated.
1433 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1435 * gcc.c (convert_filename): Append executable suffix
1436 if NO_AUTO_EXE_SUFFIX is not defined.
1437 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1438 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1440 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1442 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1443 * c-parse.gperf, c-gperf.h: Delete.
1444 (c-gperf.h was accidently re-added to the CVS repo in the rev
1445 1.16 commit by tromey)
1447 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1449 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1450 macro arguments when looking for the '('.
1451 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1452 2 when really parsing arguments; 1 when looking for '('.
1453 Always restore the lexer position.
1455 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1457 * longlong.h (umul_ppmm): Don't use a multiline string.
1459 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1461 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1462 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1463 t_bool in declaration because pcc can't combine volatile with typedef
1466 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1468 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1469 until when it is really needed.
1470 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1471 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1472 * i386.md (float?i?f splitter): Don't force source operand to memory
1474 (sse_movdfcc): Fix constraint.
1475 (sse_movdfcc splitter): Handle properly the second alternative.
1477 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1479 * cpplex.c (parse_string): Unconditionally pedwarn.
1481 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1484 * cppexp.c (parse_number): Update.
1485 * cpplex.c (parse_string): Pedwarn if multiline string does not
1486 result from a system header's macro.
1487 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1488 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1489 for function-like macros too.
1490 * c-lex.c (lex_number): Update.
1492 2001-03-03 Richard Henderson <rth@redhat.com>
1494 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1496 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1498 * combine.c (try_combine): If split with mode-changed scratch
1499 register didn't work, try the original mode.
1501 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1503 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1504 * config/c4x/c4x.h: Likewise.
1505 * stor-layout.c (compute_record_mode): Likewise.
1506 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1508 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1510 * configure.in: Kill tm.h. Include the files in the $tm_file
1511 list in all three of config.h, hconfig.h, tconfig.h, after the
1512 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1513 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1514 * configure: Regenerate.
1515 * Makefile.in (clean): Don't delete tm.h.
1517 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1518 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1519 those are not defined, set SEC and FEC to 0 and 1.
1520 * gcc.texi: Update to match.
1522 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1523 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1524 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1525 Include tconfig.h, not tm.h.
1527 * config/xm-lynx.h, config/xm-std32.h,
1528 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1529 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1530 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1531 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1532 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1533 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1534 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1535 config/i386/xm-i386.h, config/i860/xm-i860.h,
1536 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1537 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1538 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1539 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1540 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1541 config/pa/xm-linux.h, config/pa/xm-pa.h,
1542 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1543 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1544 config/pj/xm-pj.h, config/romp/xm-romp.h,
1545 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1546 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1547 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1548 config/v850/xm-v850.h, config/vax/xm-vax.h,
1549 config/we32k/xm-we32k.h:
1551 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1553 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1554 config/i370/xm-oe.h: Don't include tm.h. Don't define
1556 * config/vax/xm-vms.h: Don't include tm.h.
1558 * config/xm-lynx.h, config/avr/xm-avr.h,
1559 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1560 Delete; made empty by above changes.
1561 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1562 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1563 Don't include config/xm-lynx.h or tm.h.
1565 * config/xm-gnu.h: Don't include fcntl.h.
1566 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1568 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1570 2001-03-02 Richard Henderson <rth@redhat.com>
1572 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1573 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1575 2001-03-02 Richard Henderson <rth@redhat.com>
1577 * Makefile.in (OBJS): Add dwarf2asm.o.
1578 * dwarf2asm.c, dwarf2asm.h: New files.
1579 * dwarf2out.c (*): Use them.
1580 (size_of_uleb128, size_of_sleb128): Remove.
1581 (output_uleb128, output_sleb128): Remove.
1582 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1583 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1584 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1585 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1586 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1587 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1588 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1589 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1590 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1591 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1592 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1593 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1594 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1595 (dwarf2out_frame_debug): Remove unused variables.
1596 (output_loc_operands): Don't abort on 8 byte constants if
1597 host integers are wide enough.
1598 (output_symbolic_ref): Remove.
1599 (size_of_die): Don't assume 4 byte host integers.
1600 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1602 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1603 something stupid with HOST_WIDE_INT to long truncation.
1604 [CONST_DOUBLE]: Likewise.
1606 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1607 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1608 * config/arm/unknown-elf.h: Likewise.
1609 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1610 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1611 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1612 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1613 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1614 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1615 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1616 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1617 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1618 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1619 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1620 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1622 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1624 * cselib.c (hash_rtx): Cast enums to unsigned int.
1626 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1628 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1629 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1631 * c-format.c (C_STD_VER): Cast to int for comparisons.
1632 (check_function_format): Cast various enums to int for &.
1633 (maybe_read_dollar_number): Likewise.
1634 (check_format_info): Likewise.
1635 (check_format_info_main): Likewise.
1636 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1637 (safe_from_p): Likewise.
1638 * varasm.c (const_hash): Cast enum to int for %.
1639 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1640 pcc enum problems with < and ++ operators.
1641 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1642 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1643 (regclass_init): Change enum class to int to iterate over reg_classes.
1644 * genrecog.c (merge_trees): Cast enums for comparison.
1645 * rtl.h (GET_CODE): Cast to enum rtx_code.
1646 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1647 (GET_MODE): Cast to enum machine_mode.
1648 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1649 (GET_NOTE_INSN_NAME): Cast enum to int.
1650 * tree.h (TREE_CODE): Cast to enum tree_code.
1651 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1652 * timevar.c (timevar_print): Change loop variable id from enum to
1654 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1655 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1656 * toplev.c (compile_file): Cast enum DFI to int.
1657 (decode_d_option): Likewise.
1659 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1661 * cppinit.c (append_include_chain): Mark "after" include file name list
1662 as a system directory.
1663 * cpp.texi: Document new behavior.
1665 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1667 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1669 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1671 * cppfiles.c (struct include_file): Update.
1672 (stack_include_file): Use search_from.
1673 (cpp_included, find_include_file): Update.
1674 (cpp_execute_include): Update. ptr->name may not be
1675 null terminated. Use the new search_from member variable
1677 (_cpp_compare_file_date): Similarly.
1678 (search_from): New function, similiar to actual_directory.
1679 (actual_directory): Delete.
1680 (remap_filename): Update. loc->name may not be null terminated.
1681 (struct file_name_list): Rename search_path. Update.
1682 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1683 search_from and dir.
1684 (struct cpp_reader): Remove actual_dirs.
1685 * cppinit.c (struct cpp_pending): Update for renamed objects.
1686 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1687 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1688 * cpplib.h (struct cpp_options): Similarly.
1690 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1692 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1693 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1694 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1695 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1696 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1697 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1698 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1699 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1700 config/i370/xm-oe.h, config/i386/xm-aix.h,
1701 config/i386/xm-i386.h, config/i386/xm-osf.h,
1702 config/i860/xm-i860.h, config/i960/xm-i960.h,
1703 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1704 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1705 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1706 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1707 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1708 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1709 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1710 config/pj/xm-pj.h, config/romp/xm-romp.h,
1711 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1712 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1713 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1714 config/v850/xm-v850.h, config/vax/xm-vax.h,
1715 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1716 Do not define TRUE or FALSE.
1718 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1719 empty by above change.
1720 * config.gcc: Remove references to these files.
1722 * configure.in: Detect stdbool.h.
1723 * configure, config.in: Regenerate.
1724 * system.h: Include stddef.h here if available.
1725 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1726 Then set up a sensible boolean type at the very end.
1728 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1729 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1731 * hash.h: Delete 'boolean' typedef and related #undefs.
1733 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1734 all uses of 'boolean' with 'bool'.
1736 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1738 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1739 * cppexp.c (lex): Cast enums for comparison.
1740 * cppinit.c (parse_option): Cast enum for comparison.
1741 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1742 (cpp_output_token): Likewise.
1743 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1744 (cpp_avoid_paste): Cast enums for minus and comparison.
1746 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1748 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1749 field to all array elements.
1751 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1753 * cpphash.h (struct cpp_reader): Add print_version field.
1754 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1755 just set print_version and other flags as appropriate.
1756 (cpp_post_options): Print version here if print_version is set.
1758 * toplev.c (exit_after_options): New flag.
1759 (independent_decode_option): Don't exit here; just set
1761 (main): Exit after calling lang_hooks.post_options if
1762 exit_after_options is true.
1764 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1765 (merge_include_chains): Adjust comment to match code.
1767 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1769 * stringpool.c (set_identifier): New function.
1770 * tree.h: Prototype it.
1772 * c-parse.in: Kill D_YES. If compiled for objc, call
1773 save_and_forget_protocol_qualifiers from init_reswords.
1774 * objc/objc-act.c (remember_protocol_qualifiers,
1775 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1776 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1778 (save_and_forget_protocol_qualifiers): New function.
1779 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1781 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1783 * c-semantics.c (prune_unused_decls): Return error_mark_node
1784 instead of (tree) 1 to stop traversing the tree chain.
1786 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1788 Fix a problem introduced by Kenner's Feb 18 change.
1789 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1790 flag_cse_skip_blocks only temporarily, not for ever.
1792 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1794 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1795 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1797 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1798 before determining its register class.
1800 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1802 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1803 from reg 4 if current_function_calls_setjmp.
1804 (gen_nop_type): New function.
1805 (ia64_emit_nops): New function.
1806 (ia64_reorg): Call it.
1807 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1809 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1810 code not to try to optimize adds with anything but a REG destination.
1812 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1813 (INSN_PRIORITY_KNOWN): New accessor macro.
1814 * haifa-sched.c (priority): Use it instead of testing priority against
1817 2001-02-28 DJ Delorie <dj@redhat.com>
1819 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1820 since that doesn't work the way gcc wants on a generic m68k.
1822 2001-02-28 Richard Henderson <rth@redhat.com>
1824 * caller-save.c (save_call_clobbered_regs): Fix typo in
1825 comparison last change.
1827 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1829 * i386.c (pentium4_cost): New.
1830 (m_PENT4): New macro.
1831 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1832 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1833 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1834 x86_memory_mismatch_stall): Add Pentium4
1835 (x86_use_q_reg, x86_use_any_reg): Kill.
1836 (override_options): Add pentium4.
1837 (incdec_operand): Return 0 for pentium4.
1838 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1839 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1840 (TARGET_PENTIUM4): Define.
1841 (enum processor_type): Add PROCESSOR_PENTIUM4.
1842 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1843 * i386.md (attribute "cpu"): Add pentium4.
1844 * invoke.texi (march): Add pentium4.
1846 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1848 * i386.md (sse_mov?fcc*): New patterns and splitters.
1849 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1850 the SSE based conditional moves.
1852 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1854 * i386.md (attribute mode): Add "TI".
1855 (movsf_1): Add pxor support; remove constant propagation splitter.
1856 (movdf_integer): Likewise.
1857 (movdf_nointeger): Likewise.
1858 (movxf constant prop splitter): Handle all modes; update for SSE.
1859 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1860 * i386.c (standard_80387_constant_p): Rewrite.
1861 (standard_sse_constant_p): New.
1862 * i386-protos.h (standard_sse_constant_p): New.
1864 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1866 * i386.md (sse_setccsf, sse_setccdf): New.
1867 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1869 * i386.c (sse_comparison_operator): Accept the supported unordered
1870 comparses; be ready for fast_math.
1871 (print_operand): Support 'D'.
1873 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1875 * jump.c (reversed_comparison_code): Kill.
1877 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1879 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1882 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1884 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1885 add missing '%' in constraints.
1887 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1889 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1890 for HOST_BITS_PER_WIDE_INT == 32 too.
1892 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1894 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1896 (insert_save, insert_restore): New parameter save_mode.
1897 (init_caller_save): Update initialization of reg_save_code
1898 and reg_restore_code.
1899 (save_call_clobbered_regs): Compute save_modes and update calls to
1900 reg_save_code and reg_restore_code.
1901 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1902 of spill; update use of reg_restore_code.
1903 (insert_save): Likewise.
1904 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1905 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1906 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1908 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1910 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1911 noce_try_store_flag_inc, noce_try_store_flag_mask,
1912 noce_try_cmove_arith):
1913 Use reversed_comparison_code instead of reverse_comparison and
1914 can_reverse_comparison_p.
1916 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1918 * jump.c (reversed_comparison_code_parts): Allow reversal of
1919 unordered compares in -ffast-math mode; reverse ordered compares
1920 for FP even w/o -ffast-math.
1922 2001-02-27 Richard Henderson <rth@redhat.com>
1924 * print-rtl.c (print_rtx) [i]: Don't print field five on
1925 NOTEs other than NOTE_INSN_DELETED_LABEL.
1927 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1929 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1930 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1932 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1934 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1935 even if walk_subtrees is 0.
1936 * c-semantics.c (prune_unused_decls): Return a non-null value to
1937 stop traversing the tree chain.
1939 2001-02-27 DJ Delorie <dj@redhat.com>
1941 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1942 register, *then* define it as the new CFA.
1944 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1946 * pa.c (override_options): Promote -fpic to -fPIC.
1947 (legitimize_pic_address): Simplify due to removal of
1948 small PIC as a code generation option.
1949 (secondary_reload_class): Similarly.
1950 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1951 (PRINT_OPERAND_ADDRESS): Similarly.
1952 * pa.md (various patterns): Similarly.
1953 (small pic lo_sum pattern): Remove.
1955 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
1958 * md.texi (min, max): Document
1960 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
1962 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
1963 TARGET_PARTIAL_REG_DEPENDENCY.
1964 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
1966 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
1968 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
1970 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
1972 * mips.c (mips_make_temp_file): Fix thinko in last change.
1974 2001-02-26 Jason Eckhardt <jle@redhat.com>
1976 * combine.c (known_cond): Do not reverse the condition when
1977 SMAX/UMAX is being considered and the condition is for equality
1980 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
1982 2001-02-26 Philip Blundell <philb@gnu.org>
1984 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
1986 * config/arm/linux-elf.h: Remove historical relics related to
1987 above configurations.
1988 * config/arm/linux-oldld.h: Delete.
1989 * config/arm/linux-elf26.h: Delete.
1991 2001-02-26 Jason Merrill <jason@redhat.com>
1993 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
1995 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
1996 recognize a tentative definition. Lose obsolete code.
1998 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
1999 variables unless necessary, either.
2001 2001-02-25 Richard Henderson <rth@redhat.com>
2003 * ifcvt.c (struct noce_if_info): Add test_bb.
2004 (noce_get_alt_condition): New.
2005 (noce_try_minmax, noce_try_abs): New.
2006 (noce_operand_ok): New.
2007 (noce_process_if_block): Use them.
2008 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2010 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2012 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2015 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2017 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2018 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2020 (mips_asm_file_end): Free temp_filename here.
2022 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2024 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2025 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2027 * config/i386/i386.md (movstrsi): Handle FAIL case.
2029 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2031 * cppinit.c (builtin_array): Update.
2032 (init_builtins): Flag builtins to warn if redefined or
2033 undefined. Define __GXX_WEAK as a normal macro.
2034 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2035 * cpplib.h (NODE_WARN): New flag.
2036 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2037 Handle __STDC__ as a builtin only on Solaris.
2038 (warn_of_redefinition): Renamed from check_macro_definition.
2039 Reverse sense of test. Always warn if NODE_WARN.
2040 (_cpp_create_definition): Use warn_of_redefinition. Flag
2041 any macro beginning with "__STDC_" to require a mandatory
2042 warning if redefined or undefined.
2044 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2046 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2047 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2048 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2049 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2050 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2051 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2052 Don't define any of:
2053 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2054 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2055 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2056 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2057 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2059 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2060 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2063 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2064 Delete now-empty file.
2066 * alpha/vms.h: Define NEED_ATEXIT here...
2067 * alpha/xm-vms.h: ...not here.
2069 * i386/cygwin.h: Don't define PARAMS.
2070 * mips/mips.c: Don't prototype mktemp. Don't define
2071 P_tmpdir. Use make_temp_file to create temporary files.
2072 Don't be clever and delete temporary files early.
2073 * config.gcc: Drop references to deleted files. Don't define
2075 * gcc.texi: Don't mention USE_PROTOTYPES.
2077 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2079 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2080 (ix86_set_move_mem_attrs_1): Likewise.
2081 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2082 * config/i386/i386.md (movstrsi): Call it.
2084 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2086 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2087 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2088 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2089 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2091 (i750a-*-*): Error here if hosting on i750a.
2092 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2094 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2095 Remove (empty modulo comments).
2097 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2098 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2099 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2100 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2101 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2102 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2104 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2105 Remove reference to winnt.h in comment.
2106 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2108 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2110 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2111 used to set another biv.
2113 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2115 * tree.h (BLOCK_DEAD): New macro.
2116 (struct tree_block): New flag, dead_flag.
2117 * print-tree.c (print_node, case 'b'): Print missing fields.
2118 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2119 * function.c (identify_blocks): Enable test for misplaced notes.
2120 (all_blocks): Skip BLOCK_DEAD blocks.
2121 * integrate.c (integrate_decl_tree): Likewise.
2123 * errors.c (internal_error, trim_filename): New functions.
2124 (fancy_abort): Call internal_error.
2125 * errors.h (internal_error, trim_filename): New declarations.
2127 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2129 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2131 (EXTRA_CONSTRAINT): Formatting changes.
2133 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2135 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2137 2001-02-23 Per Bothner <per@bothner.com>
2139 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2140 so they can be called from java/jvspec.c.
2141 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2143 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2145 * i386.c (ix86_frame): New structure.
2146 (ix86_compute_frame_size): Kill.
2147 (ix86_compute_frame_layout): New.
2148 (ix86_save_reg): New.
2149 (ix86_can_use_return_insn_p): Use frame layout stuff.
2150 (ix86_expand_prologue): Likewise.
2151 (ix86_expand_epilogue): Likewise.
2152 (ix86_initial_elimination_offset): Likewise.
2153 (ix86_nsaved_regs): Use ix86_save_reg.
2154 (ix86_emit_save_regs): Likewise.
2156 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2158 * flow.c (find_sub_basic_blocks): New function.
2159 (split_block): Be ready for basic block introduced by CODE_LABEL.
2160 (commit_one_edge_insertion): Call find_sub_basic_block.
2162 * flow.c (make_edges): Add edge from entry for blocks starting with
2163 label having ALTERNATE_NAME
2165 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2167 * function.c (epilogue_done): Be ready for first basic block not
2168 containing PROLOGUE_END note.
2169 (reposition_prologue_and_epilogue_notes): Avoid placing
2170 PROLOGUE_END note between BASIC_BLOCK.
2172 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2174 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2176 2001-02-21 DJ Delorie <dj@redhat.com>
2178 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2179 check for current_function_has_nonlocal_goto from 1999-11-12.
2181 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2183 * diagnostic.c (trim_filename): No longer static.
2184 * toplev.h (trim_filename): Declare.
2185 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2186 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2187 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2188 (rtvec_check_failed_bounds): Likewise.
2189 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2191 * convert.c (convert_to_integer): Don't do unsigned unless result or
2192 both inputs are unsigned.
2194 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2197 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2199 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2201 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2203 * Makefile.in (resource.o): Add params.h dependence.
2204 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2205 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2206 * resource.c: Add dependence on params.h.
2207 (current_live_regs): Fix explanatory comment.
2208 (find_basic_block): Add new parameter to permit limiting search
2210 (mark_target_live_regs): Add new argument to find_basic_block call.
2211 (incr_ticks_for_insn): Likewise.
2213 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2215 * diagnostic.c (output_to_stream): Rename to
2216 output_buffer_to_stream. Loses the stream parameter.
2217 (init_output_buffer): Set diagnosic_buffer's stream.
2218 (flush_diagnostic_buffer): Adjust.
2219 (default_print_error_function): Likewise.
2220 (finish_diagnostic): Likewise.
2221 (verbatim): Likewise.
2223 * diagnostic.h (struct output_buffer): Add `stream' field.
2224 (output_buffer_attached_stream): New macro.
2226 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2228 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2229 check if either operand is divisible by C.
2230 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2231 If type is signed, consider negative numbers as well.
2233 2001-02-22 Richard Henderson <rth@redhat.com>
2235 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2236 reach .text instead of gp-relative relocs.
2237 * config/ia64/crtend.asm (.init): Likewise.
2239 2001-02-22 Andreas Jaeger <aj@suse.de>
2241 * extend.texi (C++ Attributes): Fix typo.
2243 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2245 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2246 functions, drop current_function_args_info.words test.
2247 (ia64_compute_frame_size): Mark syscall_linkage functions as
2248 using eight input registers.
2250 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2251 Bruce Korb <bkorb@gnu.org>
2253 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2254 * fixinc/README: Document how to convert sed substitutions
2255 to format style c_fix-es.
2256 * fixinc/fixincl.x: regen
2258 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2260 * gcc.c: Add comment explaining how to add a command-line option.
2261 Add title to specs language comment.
2263 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2265 * gcc.c (cc1_options): Add "-param".
2266 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2267 (option_map): Likewise.
2268 * toplev.c (display_help): Add entry for "--param".
2269 (independent_decode_option): Fix typographical error.
2271 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2272 Bernd Schmidt <bernds@redhat.com>
2273 Jan Hubicka <jh@suse.cz>
2275 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2276 (function_arg): Likewise.
2278 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2280 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2282 2001-02-21 Kazu Hirata <kazu@hxi.com>
2284 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2288 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2290 * flow.c (init_propagate_block_info): Canon address and use single_set
2291 for killing dead memory stores.
2293 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2295 * Makefile.in (reorg.o): Add params.h dependence.
2296 * params.def: Fix typographical error in comment.
2297 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2298 * params.h: Modify introductory comment.
2299 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2300 * reorg.c: Add dependence on params.h.
2301 (redundant_insn): Add parameterized throttle for search.
2302 (fill_simple_delay_slots): Add a comment explaining a variable.
2303 Move conditional out of loop, simplifying code.
2304 (fill_eager_delay_slots): Fix typographical error in comment.
2306 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2308 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2310 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2311 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2313 2001-02-21 Jason Merrill <jason@redhat.com>
2315 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2316 (struct tree_decl): Add uninlinable bitfield.
2317 * c-decl.c (duplicate_decls): Set it.
2318 * integrate.c (function_cannot_inline_p): Check it.
2320 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2321 DW_AT_MIPS_linkage_name to abstract methods.
2322 (dwarf2out_abstract_function): Emit class context before calling
2323 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2324 (gen_subprogram_die): Remove obsolete code.
2325 (gen_member_die): Don't include clones in the member list.
2326 (gen_decl_die): Emit abstract info for clone origin.
2327 * dwarfout.c (output_type): Don't include clones in the member list.
2328 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2329 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2330 DECL_ABSTRACT on a function that already has it set.
2332 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2333 (get_subprogram_die): Pass it in.
2335 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2337 * flow.c (mark_set_1): Make not_dead unsigned long. For
2338 non-pseudos, use it as a bitmask of the hard regs that
2341 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2343 * cppfiles.c: Update comments.
2344 (_cpp_read_file): Don't check for NULL filenames any more.
2345 * cppinit.c (cpp_start_read): Don't do canonicalization of
2346 in_fname and out_fname. Use the passed file name exclusively.
2347 (_cpp_handle_options): Don't treat "-" as a command line option,
2348 but as a normal filename.
2349 (_cpp_post_options): Canonicalize in_fname and out_fname.
2350 * cppmain.c (printer_init): Don't check out_fname for NULL.
2351 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2352 (init_c_lex): Update, and use "" to represent stdin to CPP.
2355 2001-02-20 Will Cohen <wcohen@redhat.com>
2357 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2358 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2359 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2362 2001-02-20 Stan Shebs <shebs@apple.com>
2364 * config/rs6000/rs6000.c (output_cbranch): Output branches
2365 on separate lines instead of using ';' to separate.
2367 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2369 * cppinit.c (set_lang): Move builtin handling to...
2370 (init_builtins): ...here.
2371 (_cpp_create_reader): Move call to set_lang.
2373 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2375 * stmt.c (expand_return): If an attempt is made to return the
2376 error_mar_node, treat the return like a return without a value.
2378 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2380 * sibcall.c (skip_copy_to_return_value): Call
2381 identify_call_return_value here, and return orig_insn if it
2382 returns zero. Hardret and softret arguments now unnecessary.
2383 (call_ends_block_p): Don't call identify_call_return_value here.
2385 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2387 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2388 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2390 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2392 * pa.c (move_operand): Accept code to load the address of a
2393 symbol out of the DLT as a valid move operand.
2394 (print_operand, case 'A'): New to handle generating a DLT
2395 reference for a LO_SUM expression.
2396 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2397 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2399 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2401 * README, cpp.texi, gcc.texi, version.c: Update version number to
2403 * cpp.1, gcov.1, gcc.1: Regenerate.
2405 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2407 * cppfiles.c (stack_include_file): Generate dependencies
2408 here, and manage include_count here too.
2409 (PRINT_THIS_DEP): Delete.
2410 (_cpp_execute_include): Do not generate dependencies here,
2411 apart from the case of a missing header. Do not manage
2413 (_cpp_read_file): Leave dependency generation to
2416 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2418 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2419 target_cpu_default. Remove dead assignment to
2422 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2424 * regclass.c (contains_reg_of_mode): Make global.
2425 (init_reg_sets): Remove contains_reg_of_mode; take into account
2426 CLASS_MAX_NREGS when looking for the proper mode.
2427 (dump_regclass): Dump only classes considered for the pseudo.
2428 (regclass): Use contains_reg_of_mode.
2430 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2432 * gcc.c (do_spec_1): 'n' for printing notices.
2433 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2435 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2437 * reg-stack.c (next_flags_user): Use current_block->end
2438 (swap_rtx_condition): Look for next user if flags don't die;
2439 give up on CALL_INSNs; use current_block->end.
2441 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2443 * sibcall.c (call_ends_block_p): New function.
2444 (optimize_sibling_and_tail_recursive_call): Use it.
2446 2001-02-18 Kazu Hirata <kazu@hxi.com>
2448 * config/h8300/h8300.md: Update copyright.
2449 (andsi3): Do not output an extra newline character.
2451 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2453 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2454 FNDECL may be unused.
2456 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2457 follow jumps after first run.
2458 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2459 it doesn't change any jumps.
2461 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2463 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2464 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2465 (mostlyclean): Corresponding changes.
2466 * rtlanal.c (hard-reg-set.h): Include.
2467 (rtx_unstable_p): Do not treat the argument pointer specially
2468 if it is not a fixed register.
2469 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2471 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2473 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2474 against last real insn in basic block.
2475 Rework to avoid gotos.
2477 * Makefile.in (gcse.o): Now includes ggc.h.
2478 * gcse.c: Include ggc.h.
2479 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2480 (try_replace_reg): Remove warning of uninitialize variable.
2481 (process_insert_insn): Call invalid_insn_p to validate insn.
2482 * recog.c (insn_invalid_p): Now global.
2483 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2484 * recog.h (insn_invalid_p): New declaration.
2486 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2488 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2489 assignments from FP constants since 'Y' output code can't handle it.
2490 (eligible_for_sibcall_delay): Likewise.
2492 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2493 Call fancy_abort directly, passing args.
2494 (print_rtl_and_abort): Now a macro, like fancy_abort.
2496 * final.c (output_operand_lossage): Use internal_error, not error.
2498 2001-02-18 Shane Nay <shane@agendacomputing.com>
2500 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2501 structure shift insns.
2503 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2505 * invoke.texi (-fsquangle): Remove documentation.
2506 (-fname-mangling-version): Likewise.
2508 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2510 * optabs.c (expand_abs): Remove reference to
2511 HAVE_contitional_arithmetic.
2512 * combine.c (simplify_set): Likewise.
2514 2001-02-18 Richard Henderson <rth@redhat.com>
2516 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2519 2001-02-18 Richard Henderson <rth@redhat.com>
2521 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2523 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2525 * reload1.c (reload_cse_simplify_set): Fix typo.
2527 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2529 * diagnostic.c (_fatal_insn): Decrement errorcount.
2531 * invoke.texi (-I): Add note avoiding use for system header files.
2533 * rtl.h (add_clobbers): Remove duplicate declaration.
2534 * recog.h (added_clobbers_hard_reg_p): New declaration.
2535 * genemit.c (struct clobber_pat): New field has_hard_reg.
2536 (gen_insn): Record if added clobbers clobber hard reg.
2537 (gen_split): Avoid unused warning if number of operands is 0.
2538 (output_added_clobbers_hard_reg_p): New function.
2541 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2543 * pa.c (hppa_expand_prologue): Simplify code storing return
2544 pointer. For large (>=8k) frames with a post_store, adjust stack
2545 pointer by 8k-64 first rather than by 64. When testing with
2546 VAL_14_BITS_P, always use the actual value rather than the value
2547 negated. Add blockage to prevent scheduling of spills before
2548 stack frame has been created.
2549 (hppa_expand_epilogue): Simplify code loading return pointer.
2550 Allow a slightly larger range for merge_sp_adjust_with_load case.
2551 When testing with VAL_14_BITS_P, always use the actual value.
2553 * pa.c (pa_adjust_insn_length): Check that block move
2554 pattern is a set before looking at operands.
2556 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2558 * fold-const.c (fold_binary_op_with_conditional_arg): New
2559 function, split out from ...
2561 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2562 conditional arms that throw exceptions.
2564 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2567 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2569 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2570 define HAVE_DECL_* to 1 to mask potential backup declarations.
2571 * configure: Regenerated.
2573 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2575 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2577 2001-02-17 Richard Henderson <rth@redhat.com>
2579 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2580 when replacing a memory load with a register.
2582 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2583 Jan Hubicka <jh@suse.cz>
2585 * recog.c (validate_replace_src_1): New.
2586 (validate_replace_src_data): Likewise.
2587 (validate_replace_src): Use note_uses.
2588 * rtl.h (note_uses): Declare.
2589 * rtlanal.c (note_uses): New.
2591 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2593 * reg-stack.c (stack_def): Make field reg unsigned.
2594 (remove_regno_note): Unsignetize parameter.
2596 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2598 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2599 shladd_operand() call.
2601 2001-02-16 Bruce Korb <bkorb@gnu.org>
2602 Rodney Brown <RodneyBrown@mynd.com>
2604 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2605 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2606 machine restrictions
2607 * fixinc/fixincl.x: regen
2609 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2611 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2613 (hash_scan_insn): Clean up calls to hash_scan_set.
2614 (compute_kill_rd): REGNO now unsigned.
2615 (try_replace_reg): Rework to use simplify_replace_rtx.
2616 (cprop_jump, cprop_cc0_jump): Likewise.
2617 (cprop_insn): Call find_reg_equal_equiv_note.
2618 Reflect changes to cprop_jump and cprop_cc0_jump.
2620 * recog.c (validate_replace_src): Replace in operands of
2621 ZERO_EXTRACT in SET_DEST.
2623 * cse.c (new_label_ref): New variable.
2624 (insert): Set it instead of recorded_label_ref.
2625 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2626 CODE_LABEL for this function, and not already in REG_LABEL note.
2628 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2630 * resource.c (mark_referenced_resources): Fix typo in introductory
2632 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2635 2001-02-16 Jason Merrill <jason@redhat.com>
2637 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2639 (gen_subprogram_die): Don't abort on seeing a second definition if
2640 the previous one was abstract. Don't replace an abstract instance
2641 in the lookup table.
2643 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2644 gen_abstract_function.
2645 * dwarf2out.h: Declare it.
2646 * toplev.c (note_outlining_of_inline_function): New fn.
2647 * toplev.h: Declare it.
2648 * integrate.c (output_inline_function): Call it.
2649 * c-decl.c (duplicate_decls): Call it when redefining an extern
2650 inline. Don't inline the new defn.
2652 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2654 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2656 * .gdbinit: Rename to gdbinit.in.
2657 * gdbinit.in: New file,
2658 * configure.in: Generate .gdbinit from gdbinit.in.
2659 * configure: Regenerated.
2660 * Makefile.in (distclean): Always remove .gdbinit.
2662 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2664 * objc/objc-act.c (start_class): Register implemented_classes with
2667 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2669 * cppfiles.c (_cpp_make_system_header): Generate a file
2672 2001-02-15 Jim Meyering <meyering@lucent.com>
2674 * Makefile.in (install-common): Don't depend on installdirs here.
2675 Instead, make each of the lang.install-common targets (e.g.,
2676 c++.install-common in cp/Make-lang.in) depend on it.
2677 (install-driver): Depend on installdirs.
2679 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2681 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2683 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2686 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2688 * invoke.texi (--param): Document.
2690 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2692 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2694 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2696 * i386.md (extendsfdf2_2): Fix constraints.
2698 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2700 * i386.md (fop_df_3 splitter): Fix operand number.
2702 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2704 * invoke.texi (-mreg-alloc): Nuke.
2705 * i386.c (ix86_reg_alloc_order, regs_allocated,
2706 order_regs_for_local_alloc): Nuke.
2707 (override_options): Kill reg_alloc code.
2708 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2709 (REG_ALLOC_ORDER): SSE goes before I387.
2710 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2711 (ix86_reg_alloc_order): Likewise.
2712 * i386-protos.h (ix86_reg_alloc_order): Kill.
2714 2001-02-14 Richard Henderson <rth@redhat.com>
2716 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2718 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2720 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2722 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2724 * i386-protos.h (ix86_memory_move_cost): Move offline.
2725 * i386.c (ix86_register_move_cost): Compute properly cost of
2726 SSE, MMX and i387 instructions.
2727 (*_cost): Add costs of SSE/MMX moves.
2728 (ix86_memory_move_cost): Move offline from ....; Likewise.
2729 * i386.h (MEMORY_MOVE_COST): .... here;
2730 (struct processor costs): Add new fields to represent costs
2733 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2735 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2736 move_cost together with Matt Kraai's fix.
2738 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2740 * Makefile.in (OBJS): Add params.o.
2742 2001-02-14 Richard Henderson <rth@redhat.com>
2743 DJ Delorie <dj@redhat.com>
2745 * jump.c (jump_optimize_1): When we delete a conditional jump
2746 preceeding a non-conditional jump to effectively the same place,
2747 make sure that the combined jump skips any clobber insns between
2750 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2752 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2754 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2756 * Makefile.in (toplev.o): Depend on params.h.
2757 (intergate.o): Likewise.
2758 (params.o): New target.
2759 * flags.h (inline_max_insns): Remove.
2760 * integrate.c: Include params.h.
2761 Use MAX_INLINE_INSNS instead of inline_max_insns.
2762 * params.c: New file.
2763 * params.h: Likewise.
2764 * params.def: Likewise.
2765 * toplev.c: Include params.h.
2766 (lang_independent_params): New variable.
2767 (decode_f_option): Use the param machinery instead of setting
2769 (independent_decode_option): Handle "--param name=value".
2770 (main): Register language-independent parameters.
2772 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2774 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2776 2001-02-14 Richard Henderson <rth@redhat.com>
2778 * regclass.c (init_reg_sets_1): Revert last two changes.
2780 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2782 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2783 (variable_size): Call put_pending_size.
2784 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2785 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2786 sizes list, put newly created SAVE_EXPR there as well.
2788 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2790 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2791 (errata_find_address_regs): load_group has only 2 entries.
2792 (errata_emit_nops): Likewise. shladd is not problematic.
2793 Clear last_group if nop was emitted.
2794 (fixup_errata): load_group has only 2 entries.
2797 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2799 * c-lex.c (lex_number): Only warn traditionally for U suffix
2800 outside system macros.
2801 * cppexp.c (parse_number): Similarly.
2802 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2803 * cppmacro.c (struct cpp_macro): New member node.
2804 (parse_args): Only warn about missing rest args if not
2806 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2807 (cpp_sys_objmacro_p): New.
2808 (_cpp_create_definition): Store the node with the macro defn.
2809 Remember if the macro is defined in a system header.
2811 2001-02-13 DJ Delorie <dj@redhat.com>
2813 * configure.in (check_languages): determine languages to check
2814 * Makefile.in (check-c++): alias for check-g++
2815 (check-f77): alias for check-g77
2816 (CHECK_TARGETS): depend on configured languages
2818 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2820 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2821 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2822 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2823 (sqrtextendsfdf2): Disable for SSE2.
2825 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2827 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2828 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2829 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2830 (sqrtextendsfdf2): Disable for SSE2.
2832 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2834 * i386.md (movsfcc_1): Support integer cmove instruction.
2835 (movdfcc_1): Likewise; new splitter.
2837 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2839 * i386.c (output_fp_compare): Support SSE.
2840 (prepare_fp_compare_args): SSE comparisons always support memory.
2841 * i386.h (TARGET_CMOVE): SSE imply cmove.
2842 * i386.md (cmp?f2): Enable for SSE too.
2843 (cmpfp_i*): Support SSE.
2845 (cmpfp_i_sse_only): New.
2846 (s*, b* fp expanters): Enable for SSE too.
2847 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2850 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2852 * regclass.c (init_reg_sets_1): Silence warning.
2854 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2856 * i386.md (sqrt?f2): Change to expander.
2857 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2859 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2861 * rtlanal.c (find_reg_equal_equiv_note): New function.
2862 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2863 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2864 * rtl.h: Add declarations for above functions.
2866 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2868 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2870 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2871 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2872 * flow.c (mark_regs_live_at_end): Likewise.
2873 (calculate_global_regs_live): Likewise.
2874 * gcse.c (compute_hash_table): Likewise.
2875 (compute_kill_rd): Likewise.
2876 * resource.c (mark_target_live_regs): Likewise.
2877 * rtl.h (INVALID_REGNUM): New macro.
2879 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2881 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2883 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2885 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2888 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2890 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2892 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2893 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2894 (fop_sf_1_sse, fop_df_1_sse): New patterns
2895 (fop_*): Disable float_extend and float patterns for SSE compilation.
2896 * i386.c (output_387_binary_op): Support SSE.
2898 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2900 * i386.md (dummy_extendsfdf2): Support SSE2
2901 (extendsfdf2): Enable if 80387 or SSE2.
2902 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2903 and no MIX_I387_SSE2
2904 (extendsfdf2_1_sse_only): New pattern.
2905 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2907 (truncdfsf2_1): Support SSE.
2908 (truncdfsf2_2): Support SSE.
2909 (truncdfsf2_2_1_sse): New pattern.
2910 (fixtruncsfsi2): Always use SSE if available.
2911 (fix_truncsfsi_sse): New pattern.
2912 (fix_truncdfsi_sse): New pattern.
2913 (floatsis?f2): Support SSE.
2914 (floatsidf2_i387): New pattern.
2915 (floatsidf2_sse): Likewise.
2917 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2919 * configure.in: Use "have_gnat" variable, not "gnat".
2920 * configure: Regenerated.
2922 * config/sparc/sparc.c (function_value): Treat all non-record
2923 aggregate types like used to treat UNION_TYPE.
2925 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2927 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2928 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2930 (MASK_MIX_SSE_I387): New.
2931 (TARGET_SSE): SSE2 imply SSE.
2932 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2933 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2934 (enum reg_class): Add new classes.
2935 (REG_CLASS_NAMES): Likewise.
2936 (REG_CLASS_CONTENTS): Likewise.
2937 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2938 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2939 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2940 (CLASS_MAX_NREGS): Use new macros.
2941 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2942 * i386.md (pushsf, movsf): Support SSE.
2943 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2944 splitters to use ANY_FP_REGNO_P.
2945 (movdf_nointeger, movdf_integer): Likewise.
2947 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2949 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2950 (try_combine): Use it.
2952 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
2954 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
2955 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
2956 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
2957 (REGISTER_MOVE_COST): Likewise.
2958 * i386-protos.h (ix86_secondary_memory_needed,
2959 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
2960 * i386.c (ix86_secondary_memory_needed,
2961 ix86_preferred_reload_class, ix86_register_move_cost): New function.
2963 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
2965 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
2966 (HARD_REGNO_MODE_OK): Move offline to ....
2967 * i386.c (ix86_hard_regno_mode_ok) ... here;
2968 refuse all incorrect modes.
2969 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
2971 2001-02-13 Richard Henderson <rth@redhat.com>
2973 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
2974 entire operator; replicate that and match_dup the operands.
2975 (cmp_ccx_arith_op_set): Likewise.
2976 (cmp_cc_arith_op_not_set): Likewise.
2977 (cmp_ccx_arith_op_not_set): Likewise.
2979 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2981 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
2983 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2985 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
2986 (TARGET_NO_BITFIELD_WORD): New macro.
2987 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
2988 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
2990 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2992 * cselib.c: New file, from simplify-rtx.c.
2993 * simplify-rtx.c: Remove cselib parts.
2994 * Makefile.in: Add cselib.o.
2996 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
2998 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
2999 (setup_incoming_varargs): Remove warning.
3001 * config/rs6000/rs6000.c (validate_condition_mode): When
3002 flag_fast_math, allow floating-point conditionals to be reversed.
3003 (rs6000_generate_compare): When flag_fast_math, don't generate
3004 cror operations for FP conditionals.
3006 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3008 (ASM_SPEC): Likewise.
3009 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3010 (CC1_SPEC): Likewise.
3011 (LINK_TARGET_SPEC): Likewise.
3012 (CPP_ENDIAN_SPEC): Likewise.
3013 * Makefile.in (check-consistency): New target.
3015 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3017 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3018 "return type defaults" warning for functions with return type
3020 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3021 function declarations by default rather than only when pedantic.
3023 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3025 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3028 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3030 * extend.texi (Deprecated): Deprecate new initializer lists.
3032 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3034 * mkdeps.c (deps_add_default_target): Robustify. Add
3035 basename component only.
3036 * cpp.texi (-M): Describe how default target is generated.
3037 * invoke.texi (-M): Likewise.
3039 2001-02-12 Kazu Hirata <kazu@hxi.com>
3041 * toplev.c (push_float_handler): Remove.
3042 (pop_float_handler): Remove.
3043 * toplev.h: Remove prototypes for the above functions.
3045 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3047 * c-common.c (constant_fits_type_p): New function.
3048 (convert_and_check): Use it.
3050 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3052 * Makefile.in (GXX_ABI_FLAG): Don't define.
3053 * configure.in (--enable-new-gxx-abi): Remove option.
3054 * config.in: Regenerated.
3055 * configure: Likewise.
3057 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3059 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3061 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3062 regular basic block, and arrange for all edges into it to switch
3065 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3067 * Makefile.in (distclean): Do not remove .gdbinit.
3069 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3071 * Makefile.in (gcc.o): Fix typos.
3072 (protize.o): Likewise.
3073 (unprotoize.o): Likewise.
3075 2001-02-11 Richard Henderson <rth@redhat.com>
3077 * tree.c (build1): Check for null operand in last change.
3079 2001-02-11 Richard Henderson <rth@redhat.com>
3081 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3082 (fold): Don't assume a constant isn't foldable.
3083 * tree.c (build): Set TREE_CONSTANT for an expression with no
3084 side-effects and constant operands.
3087 2001-02-10 Richard Henderson <rth@redhat.com>
3089 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3091 2001-02-10 Anthony Green <green@redhat.com>
3093 * cpp.texi (Standard Predefined): Add documentation for
3096 * c-common.c (combine_strings): Improve warning message.
3098 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3100 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3102 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3104 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3106 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3109 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3111 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3114 2001-02-09 Nick Clifton <nickc@redhat.com>
3116 * config/arm/arm.md: Change output contraint on post inc
3117 load/store multiple patterns to be a read/write contraint.
3119 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3121 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3122 .o files when using the -M options.
3124 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3125 David Edelsohn <edelsohn@gnu.org>
3127 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3128 handle DImode constants. Use one TOC entry for SImode and smaller
3129 constants, aligned properly.
3131 2001-02-08 Jason Merrill <jason@redhat.com>
3133 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3134 about the SP adjustment for saving the static chain pointer.
3135 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3136 offset when setting a temporary CFA register.
3138 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3140 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3141 powerpc-*-chorusos* .
3142 * config/rs6000/chorus.h : New file.
3143 * config/i386/chorus.h : New file.
3144 * config/sparc/chorus.h : New file.
3145 * config/sparc/t-chorus-elf : New file.
3147 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3149 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3150 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3151 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3152 (__WCHAR_TYPE__): Correct macro name.
3154 2001-02-08 Richard Henderson <rth@redhat.com>
3156 * config/i386/i386.c (ix86_frame_pointer_required): New.
3157 (ix86_setup_frame_addresses): New.
3158 (struct machine_funciton): Add accesses_prev_frame.
3159 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3160 ix86_frame_pointer_required.
3161 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3162 (SETUP_FRAME_ADDRESSES): New.
3163 * config/i386/i386-protos.h: Update.
3164 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3165 from FRAME_POINTER_REQUIRED.
3166 * config/i386/svr3gas.h: Likewise.
3167 * config/i386/sysv3.h: Likewise.
3168 * config/i386/v3gas.h: Likewise.
3170 2001-02-08 Richard Henderson <rth@redhat.com>
3172 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3173 calculation of the number of integer registers required.
3174 (function_arg_record_value): Likewise.
3176 2001-02-08 Jason Merrill <jason@redhat.com>
3178 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3179 two. Print file and line with "confused" message.
3181 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3183 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3185 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3187 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3189 * final.c (cleanup_subreg_operands): The address of a MEM can
3192 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3195 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3197 * gcc.texi (Incompatibilities): Update documentation of
3198 preprocessing numbers.
3200 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3202 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3204 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3206 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3208 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3209 * gcc.c (struct compiler): Add cpp_spec field.
3210 (input_file_compiler): New variable.
3211 (do_spec_1): Allow a particular compiler to handle `%C'
3213 (main): Store the current compiler in input_file_compiler.
3214 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3216 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3218 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3219 * cppinit.c (cpp_create_reader): Initialize them.
3220 (append_include_chain): cxx_aware arg might be unused.
3221 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3222 keywords and give them their phase 7 meaning. Pedwarn about
3223 this unless '__bool_true_false_are_defined' is defined.
3225 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3227 * lcm.c (optimize_mode_switching): Emit mode_set before the
3228 JUMP_INSN of an abnormal edge.
3230 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3232 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3233 a scheduling barrier at the end.
3235 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3237 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3239 * config/sh/sh.md (reload_outsf): Removed.
3240 (movsf_ie): Introduce constraints for FPUL loads and stores.
3241 (reload_insf): Broaden the output constraint.
3243 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3245 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3246 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3248 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3250 * final.c: Revert my previous changes.
3251 * output.h: Make profile_label_no extern.
3252 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3253 for generating label.
3255 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3257 * config/i386/djgpp.h: Add comments about standard paths.
3258 (MD_EXEC_PREFIX): Undefine before defining.
3259 (MD_STARTFILE_PREFIX): New.
3261 2001-01-30 Bruce Korb <bkorb@gnu.org>
3263 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3264 (load_file): do not rely on load_file_data() to close file pointer
3265 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3266 fixinc/inclhack.def(irix_limits_const): add test_text
3268 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3270 * cppexp.c (parse_defined): Improve diagnostics for invalid
3273 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3275 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3277 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3279 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3280 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3281 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3282 (rs6000_output_symbol_ref): New function.
3283 (output_toc): Use VTABLE_NAME_P.
3285 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3287 * print-tree.c (print_node, case PARM_DECL):
3288 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3290 * stor-layout.c (reference_types_internal): New variable.
3291 (internal_reference_types): New function.
3292 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3293 * tree.h (internal_reference_types): New declaration.
3295 * cse.c (find_best_addr): Fix typo in computing cost.
3297 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3299 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3300 and this is the sum of a pointer and a constant, we know the result
3302 (num_sign_bit_copies, case PLUS): Likewise.
3303 * explow.c (convert_memory_address): Remove opposite SUBREG.
3304 * function.c (instantiate_new_reg): New function (from common code).
3305 (instantiate_virtual_regs_1): Call it.
3306 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3307 if pointers sign- or zero-extend.
3308 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3309 If pointers extend unsigned, use inside of SUBREG.
3310 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3312 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3314 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3315 subdir of gcc_gxx_include_dir.
3316 (gcc_gxx_target_include_dir): Remove.
3318 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3320 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3321 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3322 a high-level description.
3324 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3326 * final.c: Move the declaration of profile_label_no to ...
3327 * output.h: ... here.
3328 * function.c (expand_function_start): Call PROFILE_HOOK.
3329 * config/rs6000/aix.h: Define PROFILE_HOOK.
3330 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3331 * config/rs6000/rs6000.c (output_profile_hook): Define.
3332 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3333 output_profile_hook.
3334 tm.texi : Explain new macro PROFILE_HOOK.
3336 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3338 * extend.texi (Extended Asm): Do not say that semicolon is always
3339 a valid line-breaking character for GNU assemblers. Use
3340 newline-tab as the most commonly supported syntax. Use
3341 newline-tab rather than semicolon in multi-insn examples.
3343 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3345 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3347 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3348 David Edelsohn <edelsohn@gnu.org>
3350 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3351 code for AIX, even without flag_pic.
3353 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3355 * c-typeck.c (common_type): push and pop binding level around
3356 calling common_type on function parameters.
3358 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3360 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3362 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3364 * config/mips/mips.c (override_options): Fix typo in last change.
3365 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3366 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3368 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3370 * invoke.texi (-fdump-class-layout): Document.
3371 (-fdump-translation-unit): Use `=' as filename separator.
3373 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3375 * Makefile.in (s-mlib): Don't build multilibs if
3377 (DRIVER_DEFINES): Adjust accordingly.
3379 (protoize.o): Likewise.
3380 (unprotoize.o): Likewise.
3381 * configure.in: Recognize --enable-multilib.
3383 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3385 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3387 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3388 * configure.in: Remove --enable-libstdcxx_v3 support.
3389 * configure: Regenerated.
3391 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3393 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3394 Call abort instead of fatal.
3395 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3396 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3397 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3398 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3399 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3400 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3402 * diagnostic.h (set_internal_error_function): Renamed.
3403 * toplev.h (internal_error): Renamed from fatal.
3404 (pfatal_with_name): Deleted.
3405 (fatal_io_error): Now has printf-style arguments.
3406 * diagnostic.c (pfatal_with_name): Deleted.
3407 (fatal_io_error): Rework to have args in printf-style.
3408 (set_internal_error_function): Renamed from set_fatal_function.
3409 (internal_error): Renamed from fatal.
3410 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3411 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3412 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3413 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3414 * flow.c (verify_flow_info): Likewise.
3415 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3416 * config/mips/mips.c (save_restore_insns): Likewise.
3418 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3419 * flow.c (verify_flow_info): Likewise.
3420 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3421 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3422 (avr_normalize_condition): Likewise.
3423 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3424 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3425 (limit_reload_class, double_reg_to_memory): Likewise.
3426 (print_operand_address, emit_1600_code_shift): Likewise.
3427 (gen_tst_reg, gen_compare_reg): Likewise.
3428 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3429 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3431 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3433 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3434 * objc/objc-act.c (build_ivar_chain): Likewise.
3435 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3437 * graph.c (clean_graph_dump_file): Likewise.
3438 * profile.c (init_branch_prob): Likewise.
3439 * objc/objc-act.c (objc_init): Likewise.
3441 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3442 * config/avr/avr.c (avr_override_options): Likewise.
3443 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3444 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3445 * config/h8300/h8300.c (h8300_init_once): Likewise.
3446 * config/mips/mips.c (override_options): Likewise.
3447 * config/i386/i386.c (override_options): Likewise, rework.
3448 * config/m68k/m68k.c (override_options): Likewise.
3450 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3452 * config/mips/mips.c (print_operand): Likewise.
3453 * hash.c (hash_allocate): Don't check for failure returns from
3454 obstack functions that can't fail.
3455 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3456 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3457 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3458 (get_object_reference): Likewise.
3460 2001-02-04 Nick Clifton <nickc@redhat.com>
3462 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3463 StrongARM1110, 10TDMI, and 1020T.
3465 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3467 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3469 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3471 * config/sh/sh.md (movdf load split): Pass register number to
3472 FP_OR_XD_REGISTER_P.
3474 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3476 * cppinit.c (BC): New macro.
3477 (builtin_array): Add __GXX_WEAK__.
3478 * cpplib.h (builtin_type): Add BT_WEAK.
3479 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3480 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3481 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3483 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3485 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3487 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3489 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3490 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3492 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3494 * cpphash.h: Rename ALIGN _ALIGN.
3495 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3497 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3499 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3500 compilation environment.
3501 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3502 control over location of cygwin includes and libs.
3504 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3506 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3508 2001-02-02 lars brinkhoff <lars@nocrew.org>
3510 * md.texi (Standard Names): remove reference to spur.md.
3512 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3514 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3515 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3516 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3517 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3518 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3520 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3522 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3523 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3524 number before reload.
3525 (c4x_adjust_cost): Return zero before reload.
3526 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3527 split before reload.
3529 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3531 * c4x.c (c4x_hard_regno_rename_ok): New.
3532 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3533 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3535 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3537 * diagnostic.h: Add missing "extern" in all declarations.
3539 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3541 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3542 as for gcc_gxx_include_dir.
3544 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3546 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3548 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3550 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3551 label before alignment to be used as the braf base address.
3552 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3554 (casesi_jump_2): Require at least TARGET_SH2.
3556 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3557 truncation to 32-bit doubles on -m3e and -m4-single-only.
3559 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3561 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3562 the default when building a shared object.
3563 (init_spec): Use it.
3564 * testsuite/lib/g++.exp: Include the directory where libgcc
3565 is located to the LD_LIBRARY_PATH list.
3566 * invoke.texi (-shared-libgcc): Document the cases in which
3567 GCC defaults to using the shared libgcc.
3569 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3571 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3572 unsigned is wide enough.
3574 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3575 (si_to_float): Likewise.
3576 (float_to_si, float_to_usi): Use BITS_PER_SI.
3578 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3580 * dwarf2out.c: Added explanation of abbreviations.
3581 (def_cfa_1): Added comments listing DWARF2 instructions.
3582 (cfa_temp_reg): Removed in favor of cfa_temp.
3583 (cfa_temp_value): Removed in favor of cfa_temp.
3584 (cfa_temp): New global variable.
3585 (dwarf2out_frame_debug_expr): Added extensive introductory
3586 comments explaining the function's transformations. Revised to
3587 use cfa_temp. Added some rtx checking. Generalize IOR case.
3588 (dwarf2out_frame_debug): Revised to use cfa_temp.
3589 (output_aranges): Cast as "unsigned" to avoid warning.
3590 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3591 explain which instructions must be marked.
3593 2001-02-01 Richard Henderson <rth@redhat.com>
3595 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3598 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3600 * config/sh/crt1.asm (main_k): Modified so that start calls
3601 ___setup_argv_and_call_main.
3603 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3605 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3606 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3607 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3608 * cppmacro.c (builtin_macro): Set builtin flags here.
3609 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3610 (replace_args): Clarify intent.
3611 (cpp_get_token): Macro expansion tokens get the saved flags.
3613 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3616 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3618 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3621 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3623 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3624 returns Pmode pseudo, but we need ptr_mode.
3625 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3626 Remove bogus conversions; use HOST_WIDE_INT for size.
3627 Don't use TARGET if wrong mode.
3629 * config/i386/i386.c (ix86_compute_frame_size): Allow
3630 stack_alignment_needed to be non-default even if size is zero.
3632 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3634 * (hppa_init_pic_save): Emit the pic offset table
3635 reg save after last_parm_insn.
3636 * pa.c (hppa_init_pic_save): New function.
3637 * pa.h (hppa_init_pic_save): Declare.
3638 * pa.md (call, call_value, sibcall, sibcall_value): Use
3639 the above instead of duplicated code.
3641 * pa.c (hppa_encode_label): Correct size of alloca buffer
3642 so we don't overrun it. Correct leading `*' case.
3643 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3644 need to handle `*@'.
3645 (FUNCTION_NAME_P): Likewise.
3647 2001-01-31 Richard Henderson <rth@redhat.com>
3649 * config.gcc (alpha-osf5): Use float-i128.h.
3651 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3652 * config/float-i32.h: Likewise.
3653 * config/float-i64.h: Likewise.
3654 * config/float-sh.h: Likewise.
3655 * config/float-sparc.h: Likewise.
3657 2001-01-31 DJ Delorie <dj@redhat.com>
3659 * expmed.c (extract_bit_field): allow non-integral modes if we
3660 want to extract a whole register from itself.
3662 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3664 * c-typeck.c (set_init_index): If first is equal to last, assume as
3665 if it was not a range at all.
3667 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3669 * config/fp-bit.c: Include tm.h.
3670 (float_to_si): Don't assume SImode is 32-bits wide.
3671 (float_to_usi): Likewise.
3673 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3675 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3677 (typename): Call pending_xref_error after parsing typed_typespecs.
3678 * c-decl.c (lookup_tag): Give error immediately rather than
3679 leaving it pending if the tag of the wrong type is in the same
3681 (xref_tag): Don't pedwarn for forward declarations of enum types
3683 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3686 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3688 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3690 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3692 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3693 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3695 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3697 * cpphash.h (struct cpp_reader): New saved_flags.
3698 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3699 to avoid a paste after a pasted token.
3701 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3703 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3704 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3705 Wtype_MIN instead of LONG_MIN.
3707 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3709 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3711 * fixinc/fixincl.x: Regenerated.
3712 * fixinc/inclhack.def (irix_limits_const): New definition to
3713 convert "const" to "__const" in limits.h.
3715 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3717 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3719 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3721 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3722 when register dies in the insn.
3724 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3726 * diagnostic.c (fatal): Fix word wrap.
3728 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3730 * combine.c (try_combine): Fix SUBREG setting for
3731 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3733 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3735 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3738 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3740 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3742 * toplev.c (decode_W_option): Update warn_larger_than
3743 unconditionally for each processed switch.
3745 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3747 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3749 (hppa_expand_prologue): Delete code to save pic offset table register
3750 in the function prologue.
3751 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3752 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3753 table register at the beginning of the function after the prologue.
3755 2001-01-29 lars brinkhoff <lars@nocrew.org>
3757 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3759 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3760 Jeff Law <law@redhat.com>
3762 * pa.md (return): Revise comment for trivial return.
3763 (return_internal): Non-trivial return pattern for non-PIC code.
3764 (return_internal_pic): Non-trivial return pattern for PIC code.
3765 It uses the PIC register to ensure it is restored after
3767 (epilogue): Generate appropriate return for PIC and non-PIC code.
3769 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3771 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3773 2001-01-29 DJ Delorie <dj@redhat.com>
3775 * combine.c (if_then_else_cond): Pass the correct mode to
3776 operand_subword() for constants.
3778 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3780 * config/i386/cygwin.h: Add w32api to include search. Search different
3781 directories in a cross-build environment.
3783 2001-11-29 Tim Josling <tej@melbpc.org.au>
3785 * tree.h (TYPE_STUB_DECL): Add documentation.
3787 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3789 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3790 (sdbout_field_types): Likwise. Fix use of host_integerp.
3792 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3794 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3797 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3799 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3800 to use flag_gnu_linker.
3802 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3804 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3805 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3807 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3809 * tree.c, tree.h (build_parse_node): Remove; was identical to
3811 * c-lang.c (start_cdtor), objc/objc-act.c
3812 (build_module_descriptor): Use build_nt instead of
3815 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3817 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3818 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3819 not have any upper bits set.
3821 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3823 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3825 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3827 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3829 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3831 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3832 (integer_minus_one_node): Define.
3834 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3836 * Makefile.in (bootstrap2-lean): Fix typo.
3838 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3840 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3841 : Don't set fe_value.
3842 * cpplib.h (AVOID_LPASTE): New flag.
3843 (struct cpp_hashnode): Remove fe_value.
3844 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3845 * cppmacro.c (builtin_macro): Don't set flags here.
3846 (replace_args): Set AVOID_LPASTE flag on first token of an
3847 argument, and the token following it.
3848 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3849 macro expansion, and on the token following it. Do it for
3851 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3853 2001-01-27 Richard Henderson <rth@redhat.com>
3855 * config/alpha/t-ieee: Remove multilibbing.
3856 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3858 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3860 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3862 * Makefile.in: Remove all dependencies on defaults.h.
3863 * builtins.c: Don't include defaults.h.
3864 * c-common.c: Likewise.
3865 * c-decl.c: Likewise.
3866 * c-pragma.c: Likewise.
3867 * c-typeck.c: Likewise.
3868 * combine.c: Likewise.
3870 * frame-ia64.c: Likewise.
3871 * cppexp.c: Likewise.
3872 * crtstuff.c: Likewise.
3873 * dbxout.c: Likewise.
3874 * dwarf2out.c: Likewise.
3875 * dwarfout.c: Likewise.
3876 * emit-rtl.c: Likewise.
3877 * except.c: Likewise.
3879 * final.c: Likewise.
3880 * frame-dwarf2.c: Likewise.
3881 * libgcc2.c: Likewise.
3882 * optabs.c: Likewise.
3883 * profile.c: Likewise.
3884 * sdbout.c: Likewise.
3885 * toplev.c: Likewise.
3886 * tradcif.y: Likewise.
3888 * varasm.c: Likewise.
3890 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3892 * builtins.c (expand_builtin_fputs): Use size_one_node when
3893 transforming into fwrite.
3895 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3897 * extend.texi (Attribute Syntax): New section.
3899 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3901 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3902 they didn't need fixing.
3904 2001-01-27 Janis Johnson <janis@us.ibm.com>
3906 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3908 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3909 to remove macro definitions that are duplicated from elfos.h.
3911 2001-01-27 Richard Henderson <rth@redhat.com>
3913 * config/i386/sco5gas.h: Move ...
3914 * config/usegas.h: ... here.
3915 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3917 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3919 * c-typeck.c (struct constructor_stack): Add range_stack member.
3920 (really_start_incremental_init): Clear it.
3921 (push_init_level): Save constructor_range_stack and clear it if
3922 pushing explicit braces.
3923 (pop_init_level): abort if constructor_range_stack is non-zero at
3924 explicit closing brace. Restore saved constructor_range_stack if
3927 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3929 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3930 into register was forced into memory.
3932 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3934 * Makefile.in: Remove uses of + before $(MAKE).
3936 2001-01-26 Richard Henderson <rth@redhat.com>
3938 * stmt.c (cost_table): Remove.
3939 (COST_TABLE, cost_table_initialized): New.
3940 (estimate_case_costs): Use the later instead of the former.
3941 (balance_case_nodes): Likewise.
3943 2001-01-26 Richard Henderson <rth@redhat.com>
3945 * alias.c (objects_must_conflict_p): Read-only slots may not
3946 conflict despite having the same type.
3948 2001-01-27 Michael Hayes <mhayes@redhat.com>
3950 * loop.c (loop_giv_reduce_benefit): Copy mode size into
3952 (check_ext_dependant_givs): Initialise u_start_val and
3954 (load_mems): Make last_max_reg unsigned.
3955 (try_swap_copy_prop): Use INSN_P and initialise set.
3957 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
3959 * README.AVR : Removed.
3961 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
3963 * pa-64.h (text_section): Remove declaration.
3965 * pa.md (return_internal): Remove mode on PIC register use.
3967 2001-01-25 lars brinkhoff <lars@nocrew.org>
3969 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
3970 ASM_CLOSE_PAREN): fix typos.
3972 2001-01-25 Mark Mitchell <mark@codesourcery.com>
3974 * acconfig.h: Define `const' to the empty string if neither
3975 __STDC__ nor __cplusplus is defined.
3976 * config.in: Regenerated.
3978 2001-01-25 David Edelsohn <edelsohn@gnu.org>
3980 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
3981 * collect2.c (main): Delete importf. Add ".obj" file extension.
3982 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
3983 (aix_std_libs): Add additional AIX libraries to skip.
3984 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
3985 * config/rs6000/aix51.h: New file.
3987 2001-01-25 Michael Hayes <mhayes@redhat.com>
3989 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
3990 (loop_insn_emit_before): No longer static.
3991 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
3992 (loop_givs_rescan, load_mems): Likewise.
3993 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
3994 (maybe_eliminate_biv_1):
3995 (move_movables): Replace emit_call_insn_before with
3996 loop_call_insn_hoist.
3997 * loop.h (loop_insn_emit_before): Add.
3998 * unroll.c (copy_loop_body): Replace emit_insn_before with
3999 loop_insn_emit_before.
4001 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4003 * diagnostic.c (fatal): Request preprocessed source.
4005 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4007 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4008 olddecl has argument types and newdecl has none, use the argument
4011 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4013 * dwarf2out.c (prefix_of): New function. Determine longest common
4014 prefix of the two arguments. The units are whole path components.
4015 (output_file_names): When adding a new directory find the one entry
4016 with the longest common prefix already in the list. Artificially
4017 generate entry if there is none for this prefix.
4018 Fix test to check whether the zeroth directory entry is used.
4020 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4022 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4023 Changed all callers. Take it into account when deciding if a
4024 previously loaded value matches.
4026 2001-01-24 Richard Henderson <rth@redhat.com>
4028 * reload.c (find_reloads_subreg_address): Fail the substitution
4029 if the resulting address is insufficiently aligned.
4031 2001-01-24 DJ Delorie <dj@redhat.com>
4033 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4034 check the original operand's mode also.
4035 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4037 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4039 * c-parse.in (cast_expr): Move compound literals from here ...
4040 (primary): ... to here. Use standard terminology "compound
4041 literal" instead of "constructor expression".
4043 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4045 * gcc.1, cpp.1: Regenerate.
4047 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4049 * calls.c (emit_library_call_value_1): Memory slot for
4050 pass-by-reference argument should have the mode of the argument,
4051 not of the pointer to it.
4053 2001-01-24 Tom Tromey <tromey@redhat.com>
4055 * gcc.texi (G++ and GCC): Mention gcj manual.
4056 (Standards): Link to section of manual mentioning gcj/Java
4059 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4061 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4062 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4063 * tradcpp.c (main): Add -imacros or -include'd dependencies
4065 * cpp.texi (-M, -MM): Document -M -include behaviour.
4067 2001-01-24 Roger Collins <roger@ProProject.com>
4069 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4071 2001-01-24 Will Cohen <wcohen@redhat.com>
4073 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4074 whether registers are 32 bits or 64 bits in size.
4076 2001-01-24 Ben Elliston <bje@redhat.com>
4078 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4080 2001-01-24 Richard Henderson <rth@redhat.com>
4082 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4083 (builtin_longjmp): Use it instead of emit_indirect_jump.
4085 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4087 * bb-reorder.c (make_reorder_chain_1): Handle case where
4088 jump edge goes to the same block as the fallthru edge.
4090 2001-01-23 Jim Wilson <wilson@redhat.com>
4092 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4093 * frame.h (__ia64_personality_v1): Add prototype.
4094 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4095 prototype form. Add void * cast to first argument to personality
4097 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4098 (asctoe113): Likewise.
4099 * config/ia64/frame-ia64.c: Include eh-common.h.
4100 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4102 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4104 (itanium_split_issue): Add prototype.
4105 (gen_nop_type): Ifdef out.
4106 (find_best_packet): Initialize best_packet.
4107 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4109 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4110 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4111 (flushrs): Add explicit stop bit at end.
4112 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4115 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4117 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4119 * libgcc2.c (__terminate_func): Make variable static.
4120 (__terminate_set_func): New function to set __terminate_func.
4121 * libgcc2.h (__terminate_func_ptr): New typedef.
4122 (__terminate_set_func): New function.
4124 2001-01-23 Richard Henderson <rth@redhat.com>
4126 * flow.c (init_propagate_block_info): Don't consider unchanging
4127 memories for dead frame store elimination.
4129 2001-01-23 Richard Henderson <rth@redhat.com>
4131 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4132 * defaults.h: ... here.
4134 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4136 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4138 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4140 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4142 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4144 * rs6000.h (rs6000_return_addr): Move prototype from here...
4145 * rs6000-protos.h (rs6000_return_addr): ...to here.
4146 (rs6000_init_expanders): Delete prototype.
4148 2001-01-23 Nick Clifton <nickc@redhat.com>
4150 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4151 (Spec Files): Document %B and %j and %. and %v3 and %M and
4152 %{S*&T} spec switches.
4154 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4156 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4158 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4159 Neil Booth <neil@daikokuya.demon.co.uk>
4161 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4162 Have -Werror make pedantic warnings errors, like the
4165 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4167 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4169 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4171 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4172 * integrate.c (expand_inline_function): Initialize them.
4173 (subst_constants): If changing COMPARE so that both its arguments
4174 will be VOIDmode and the comparison mode will be lost, note
4175 compare_mode. Use the recorded compare_mode to optimize
4178 2001-01-23 Jason Merrill <jason@redhat.com>
4180 * dwarf2out.c (new_die): Use xcalloc.
4181 (output_die): Abort rather than emit a local reference to offset 0.
4183 2001-01-17 Andrew Haley <aph@redhat.com>
4185 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4186 of a saved register; return NULL instead.
4187 (copy_reg): Take a pointer to a source register rather than a
4189 (next_stack_level): Remember the address in the stack frame of all
4191 Use the saved register pointer array as the source of the CFA.
4192 (throw_helper): Rewrite. Unwind once rather than twice and keep
4193 track of saved registers as we go.
4195 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4197 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4198 * c4x.c (c4x_legitimize_reload_address): Remove.
4199 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4200 reload address for ldp(k) insn.
4202 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4204 * pa.md (return_internal): Add a USE of the PIC register to ensure
4205 it is restored after each call.
4206 (return expander): Corresponding changes.
4208 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4210 * rs6000.h (INIT_EXPANDERS): Delete.
4211 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4212 * rs6000.c (rs6000_override_options): Call *_machine_status from
4214 (rs6000_init_expanders): ...instead of here. Delete.
4215 (rs6000_mark_machine_status): New function.
4216 (rs6000_init_machine_status): Use xcalloc.
4217 (rs6000_return_addr): Generate RTX for the return address.
4218 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4219 (rs6000_stack_info): Use it.
4221 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4223 * gthr-win32.h: Include errno.h to get a declaration for
4224 EINVAL and _mingw.h if the target is mingw32.
4226 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4228 * cpp.texi: Correct typos.
4230 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4232 * explow.c (probe_stack_range): Ensure value passed to
4233 stack_check_libfunc is ptr_mode, not Pmode.
4235 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4237 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4238 case, don't use operand_subword to calculate a SUBREG that is
4241 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4243 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4245 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4246 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4247 valid. If not replace it by equivalent insns.
4249 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4251 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4252 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4253 (c4x_U_constraint, symbolic_address_operand): Likewise.
4254 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4256 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4257 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4258 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4259 anulling slot because of silicon bug.
4260 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4262 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4264 * cppexp.c (parse_charconst): Change `mask' type to agree
4267 2001-01-21 Richard Henderson <rth@redhat.com>
4269 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4270 pic_label_name in a linkonce section.
4272 2001-01-17 Philipp Thomas <pthomas@suse.de>
4274 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4276 * configure: Regenerate.
4278 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4280 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4281 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4283 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4285 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4286 If REVERSE nonzero then condition code in X must be reversed.
4287 (encode_section_info): Optimise if/else.
4288 (avr_function_value): Fix formatting.
4290 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4291 (difficult_branch): Likewise.
4292 (rvbranch): Likewise.
4293 (difficult_rvbranch): Likewise.
4295 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4297 * config/avr/libgcc.S: Fix comment.
4299 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4301 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4303 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4305 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4307 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4309 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4310 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4311 * configure, config.in: Regenerate.
4312 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4313 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4314 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4315 (doprint.o): New rule.
4317 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4319 * c-typeck.c (digest_init): Handle boolean types as scalars.
4321 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4323 * stmt.c (expand_return): Don't return anything if size is zero.
4324 Delete redundant assignment to BYTES.
4325 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4327 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4329 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4330 the same as the default library function names.
4331 * config/avr/avr.md: Document special characters after '%'.
4332 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4333 knowing which of the call-used registers are really clobbered.
4334 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4335 New. Both quotient and remainder from one libgcc.S call.
4336 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4337 clobber as few registers as possible.
4338 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4340 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4342 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4343 context of the top of the stack.
4345 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4347 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4348 (fixup_var_refs_insns): ...here.
4350 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4352 * function.c (fixup_var_refs_insns): Break up into
4353 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4354 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4355 [loop over hash table entries].
4356 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4357 fixup_var_refs_insns_with_hash, to match above changes.
4359 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4361 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4362 (libgcc.a): Likewise.
4363 (stmp-multilib): Likewise.
4364 (STAGE2_FLAGS_TO_PASS): Likewise.
4366 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4368 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4369 temporary if no_new_pseudos.
4371 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4373 * cppinternals.texi: Update.
4375 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4377 * arm.c (arm_init_builtins): Re-enable builtins.
4379 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4381 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4382 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4383 element to be null, and always expect an EXPR_LIST.
4384 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4385 * sched-deps.c (sched_analyze_1): Likewise.
4386 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4388 * regclass.c (max_set_parallel): New variable.
4389 (reg_scan): Take it into account in computation of max_parallel.
4390 (reg_scan_mark_refs, case SET): Compute it.
4392 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4394 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4395 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4397 2001-01-19 Jason Merrill <jason@redhat.com>
4399 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4400 for the abstract instance of an inline function.
4402 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4403 J"orn Rennecke <amylaar@redhat.com>
4405 * reload1.c (move2add_note_store): Treat all registers directly or
4406 indirectly derived from a base register as members of the same set
4408 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4409 of base register into account.
4411 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4413 * alias.c (find_base_value): Recognize TRUNCATE.
4414 (record_set): In PLUS case, invalidate if other summand is also a
4417 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4419 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4420 entry to be EXPR_LIST.
4421 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4422 be an EXPR_LIST (but not null, which other code doesn't allow).
4423 (note_stores): Properly handle PARALLEL in SET.
4424 Recursively call for top-level PARALLEL.
4425 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4426 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4428 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4430 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4432 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4433 not pfile->skipping (== 0).
4435 2001-01-17 Nick Clifton <nickc@redhat.com>
4437 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4440 2001-01-17 Jim Wilson <wilson@redhat.com>
4442 * invoke.texi (IA-64 options): Improve.
4444 2001-01-17 Tom Tromey <tromey@redhat.com>
4446 * invoke.texi (Optimize Options): Use `{}' to around @samp
4449 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4451 * invoke.texi (-fno-guess-branch-probability): New option.
4453 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4455 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4456 case of making new double-word constant.
4457 Revert last change: instead just test i3_subst_into_i2.
4459 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4461 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4462 Use q constraints instead of r.
4464 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4466 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4467 (machine_function): Define.
4468 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4469 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4470 pa_free_machine_status): New functions.
4471 (override_options): Set {init,mark,free}_machine_status to above.
4472 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4473 PIC_OFFSET_TABLE_REGNUM_SAVED.
4474 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4475 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4476 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4477 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4478 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4480 2001-01-15 DJ Delorie <dj@redhat.com>
4482 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4486 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4488 * flow.c (propagate_on_insn): Make trying to delete a prologue
4489 or epilogue insn an ICE, not a warning. Allow doing this if
4490 the current function returns with stack pointer depressed.
4492 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4493 I3 having more than one SET.
4495 2001-01-16 Jim Wilson <wilson@redhat.com>
4497 * invoke.texi: Document IA-64 options.
4499 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4500 (fixup_errata): Delete TARGET_A_STEP use.
4501 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4502 (TARGET_SWITCHES): Delete -ma-step option.
4503 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4504 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4505 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4506 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4507 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4508 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4510 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4511 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4512 cmovsi_internal): Delete ! TARGET_A_STEP check.
4514 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4516 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4517 possibility to report bugs via postal mail. Change a URL and
4518 merge in a nearly duplicate statement...
4519 (Bug Reporting): ...from here.
4520 (Service): Refer to the Bug Reporting section instead of
4522 (Contributing): Remove trivial explanations concerning snapshots.
4524 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4526 * cppmain.c (general_init): Don't use ANSI prototype.
4528 2001-01-16 Tom Tromey <tromey@redhat.com>
4530 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4532 2001-01-16 Richard Henderson <rth@redhat.com>
4534 * config/i386/i386.h: Fix comment typo.
4535 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4536 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4538 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4540 * gcc.c: Revert previous -fsyntax-only-related change; move
4543 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4545 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4546 inmode after checking GET_CODE (op).
4548 2001-01-16 Richard Henderson <rth@redhat.com>
4550 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4551 (MAX_MEM_SET_LIST_LEN): New.
4552 (propagate_one_insn): Update mem_set_list_len.
4553 (invalidate_mems_from_autoinc): Likewise.
4554 (invalidate_mems_from_set): Likewise.
4555 (mark_used_regs): Likewise.
4556 (init_propagate_block_info): Likewise. Stop collecting memories
4557 when we reach MAX_MEM_SET_LIST_LEN.
4558 (mark_set_1): Likewise.
4560 2001-01-16 Richard Henderson <rth@redhat.com>
4562 * unroll.c (precondition_loop_p): Fail if no iteration
4565 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4567 * gcc.c: When -fsyntax-only is given, do not complain about
4570 2001-01-15 Richard Henderson <rth@redhat.com>
4572 * config/i386/i386.c (asm_output_function_prefix): Remove.
4573 (ix86_asm_file_end): New.
4574 (load_pic_register): Generate pic_label_name into a
4575 staticly allocated buffer.
4576 * config/i386/i386-protos.h: Update.
4577 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4578 (ASM_FILE_END): New.
4579 * config/i386/i386afe.h: New file.
4580 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4581 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4582 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4583 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4584 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4585 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4586 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4588 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4590 * Makefile.in (install-man): Remove explicit dependency on
4593 * configure.in, configure: Revert previous patch requiring perl
4596 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4598 * toplev.c (flag_guess_branch_prob): New.
4599 (f_options): Add guess-branch-probability option.
4600 (rest_of_decl_compilation): Only estimate branch probability if
4602 (main): set flag_guess_branch_prob.
4604 * flags.h (flag_guess_branch_prob): New.
4606 2001-01-15 DJ Delorie <dj@redhat.com>
4608 * gcc.texi (Makefile): Add documentation for Makefile targets.
4610 2001-01-15 Philip Blundell <philb@gnu.org>
4612 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4614 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4615 (is_pic): Delete declaration.
4616 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4617 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4618 * config/arm/arm.md (builtin_setjmp_receiver): New.
4620 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4622 * arm.c (use_return_insn): Don't try to determine the function type
4623 until after reload has completed.
4624 (arm_output_epilogue): Don't adjust the sp value recovered from the
4626 (emit_multi_reg_push): Don't record dwarf information for the pc.
4627 * arm.md (eh_epilogue): The function type may have changed, so it
4628 needs to be recalculated.
4629 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4630 unwind tables on arm/netbsd.
4632 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4634 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4635 (negated_cbranchsi4): Likewise.
4637 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4639 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4640 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4641 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4642 pass -mapcs-* options to assembler.
4643 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4644 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4645 (ASM_SPEC): Call subtarget_extra_asm_spec.
4647 2001-01-15 Andreas Jaeger <aj@suse.de>
4649 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4651 (ix86_expand_builtin): Likewise.
4653 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4654 warning about comparison between signed and unsigned.
4656 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4658 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4660 2001-01-14 Ralf Baechle <ralf@gnu.org>
4662 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4663 SUBTARGET_CPP_SPEC apropriatly.
4665 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4667 * varasm.c (make_decl_rtl): Fix typo in last change.
4669 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4671 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4672 linker supports the init_priority C++ attribute.
4673 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4674 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4675 linker does not support init_priority C++ attribute.
4677 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4679 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4681 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4683 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4684 * cp/lex.c (finish_parse): Similarly.
4685 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4686 Return the number of errors encountered.
4687 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4688 * cppmain.c (main): Don't call cpp_destroy.
4690 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4692 * configure.in: Require at least perl 5.6.0 to regenerate
4694 * configure: Regenerate.
4696 2001-01-14 Richard Henderson <rth@redhat.com>
4698 * genrecog.c (DT_veclen_ge): New.
4699 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4700 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4701 (nodes_identical_1): Handle DT_veclen_ge.
4702 (write_cond, debug_decision_2): Likewise.
4704 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4706 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4708 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4710 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4712 * cppmain.c (do_preprocessing): New function; most of the old
4714 (main): Call it to do most of the work.
4715 (cb): Move from global scope to set_callbacks ().
4716 (setup_callbacks): Get the callback pointer.
4717 (general_init, printer_init): Clean up code and comments.
4719 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4721 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4724 2001-01-14 Kazu Hirata <kazu@hxi.com>
4726 * config/h8300/h8300.c (get_shift_alg): Update comments.
4728 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4730 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4731 (alloc_page, ggc_alloc): Add casts to remove warnings.
4733 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4735 * combine.c (simplify_comparison): Don't change `code' when
4736 can't reverse comparison.
4738 2001-01-14 Richard Henderson <rth@redhat.com>
4740 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4741 update all call sites. Return true for all non-label constants.
4743 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4745 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4747 (ix86_expand_branch): Update.
4748 (ix86_expand_setcc): Update to handle multiple test conditions.
4749 (expand_int_movcc): Likewise.
4750 (expand_fp_movcc): Likewise.
4751 * i386-protos.h (ix86_expand_compare): New.
4752 * i386.md (andqi_?_slp, orqi_?_slp): New.
4753 (conditional trap expander): Update call to ix86_expand_compare.
4755 2001-01-14 Richard Henderson <rth@redhat.com>
4757 * config/vax/vax.md: Use nonimmediate_operand instead of
4758 general_operand in destinations.
4760 * config/vax/vax.md (indirect_jump): Use register_operand.
4762 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4763 * config/vax/vax.md (call_pop): Turn into an expander.
4764 (call_value_pop): Likewise.
4765 (call, call_value): New.
4767 2001-01-14 Andreas Jaeger <aj@suse.de>
4769 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4771 (ix86_fp_compare_mode): Add unused attribute.
4772 (ix86_expand_fp_movcc): Remove unused variable.
4773 (ix86_expand_builtin): Make fcode unsigned.
4775 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4776 (expand_expr): Add cast to avoid signed warning.
4777 (store_field): Likewise.
4778 (store_constructor_field): Likewise.
4779 (store_constructor): Likewise.
4780 (store_expr): Likewise.
4781 (clear_storage): Likewise.
4782 (emit_group_store): Likewise.
4783 (emit_group_load): Likewise.
4785 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4787 * c-common.c: Move format checking code to ...
4788 * c-format.c: ... here. New file. Reorder some functions and
4790 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4792 * c-common.h (decl_handle_format_attribute,
4793 decl_handle_format_arg_attribute): Declare.
4794 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4795 (c-common.o): Adjust dependencies.
4796 (c-format.o): New list of dependencies.
4798 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4800 * unroll.c (loop_iterations): If we cannot prove iteration variable
4801 is set once in each iteration, punt.
4803 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4805 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4806 (*strlenhi): Remove clobber (which was buggy) of output address.
4808 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4810 * Makefile.in (generated-manpages): Add gcc.1
4811 ($(srcdir)/gcc.1): New target.
4812 (maintainer-clean): Delete $(srcdir)/gcc.1.
4813 * gcc.texi: Add macros @gccoptlist and @gol.
4814 * invoke.texi: Include option summary in manpage. Mark up option
4815 summary with @gccoptlist and @gol. Use @r in one place where
4817 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4818 * gcc.1: Generate from invoke.texi.
4820 2001-01-13 Richard Henderson <rth@redhat.com>
4822 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4823 (struct page_entry): Add group member.
4824 (struct page_group): New.
4825 (struct globals): Add page_groups member.
4826 (alloc_anon): Only define for using mmap; remove valloc call.
4827 (page_group_index): New.
4828 (set_page_group_in_use): New.
4829 (clear_page_group_in_use): New.
4830 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4831 (free_page, release_pages): Likewise.
4832 * configure.in (with-gc): Default to ggc-page always.
4834 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4836 * reload1.c (replace_pseudos_in_call_usage): Use
4837 reg_equiv_constant and reg_equiv_address, and don't try
4838 regno_reg_rtx first.
4840 2001-01-13 Richard Henderson <rth@redhat.com>
4842 * ggc-page.c (alloc_page): Round up allocation size to one page.
4843 Set e->order on extra pages.
4845 2001-01-13 Richard Henderson <rth@redhat.com>
4847 * genrecog.c (nodes_identical): Expand commentary.
4848 (write_switch): Watch out for identical nodes.
4850 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4852 * cppfiles.c (_cpp_fake_include): New function.
4853 * cpphash.h (_cpp_fake_include): New.
4854 * cpplib.c (do_line): Call _cpp_fake_include when entering
4855 header files in preprocessed input.
4856 * cppmain.c (cb_pragma_implementation): Remove handling.
4857 (setup_callbacks): Don't register pragmas.
4859 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4861 * extend.texi: Udate for CPP.
4863 2001-01-13 Andreas Jaeger <aj@suse.de>
4865 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4867 * regmove.c: Add prototype for replace_in_call_usage.
4869 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4871 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4872 struct cpp_chunk, struct htab, struct toklist,
4873 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4874 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4875 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4876 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4877 (struct macro_args): Delete.
4878 * cpphash.h: See above.
4880 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4882 * cppmain.c (struct printer): Remove no_line_dirs.
4884 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4885 : Use options rather than CPP_OPTION.
4886 (setup_callbacks): Use cb rather than pfile->cb.
4887 (main): No need to check for a buffer. Use cpp_errors.
4888 (printer_init): Don't set no_line_dirs.
4889 (maybe_print_line): Use options not no_line_dirs.
4890 (cb_file_change): Don't call print_line if -P.
4892 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4894 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4896 * c-parse.in (finish_parse): Use cpp_errors.
4897 (__yylex): Use return value of cpp_pop_buffer.
4898 * cp/lex.c (finish_parse): Use cpp_errors.
4899 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4901 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4903 * README.AVR: URLs corrected.
4905 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4907 * c-decl.c (start_function): Don't warn if old prototype is builtin
4908 that's not in C's namespace.
4909 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4910 (_bb): Add prototype for ctime.
4911 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4913 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4915 * i386.c (ix86_fp_comparison_arithmetics_cost,
4916 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4917 ix86_fp_comparison_cost): New functions.
4918 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4919 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4920 two-branch sequences; make static.
4921 (ix86_use_fcomi_compare): Do decision according to the costs.
4922 (split_fp_branch): New.
4923 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4924 * i386-protos.h (ix86_expand_fp_compare): Remove
4925 (ix86_split_fp_branch): Declare.
4927 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4928 and ix86_comparison_operator.
4930 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4933 * i386.c (put_condition_code): Output properly the unordered/ordered
4934 compares in fp case.
4935 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4937 * tm.texi (REVERSE_CONDITION): Document.
4938 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4939 in -ffast-math mode.
4940 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4942 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4944 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4946 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4949 * config/sh/sh.c (mova_p): Fix test for mova_const.
4951 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4953 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
4954 cpp_get_options rather than dereferencing pfile and using
4956 * scan-decls.c (scan_decls): Use return value of
4957 cpp_pop_buffer rather than CPP_BUFFER.
4959 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4961 * cppinit.c (cpp_handle_option): help_only is now part of the
4962 cpp_options structure.
4963 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
4964 cpp_set_callbacks): New functions.
4965 * cpplib.h (cpp_callbacks): Break out as a named structure.
4966 (cpp_options): Move help_only here from cpp_reader.
4967 (CPP_FATAL_ERRORS): Update to use cpp_errors.
4968 (cpp_errors, cpp_get_options, cpp_get_callbacks,
4969 cpp_set_callbacks): New prototypes.
4970 * cppmain.c (main): Update for help_only.
4972 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4974 * Makefile.in (info, maintainer-clean, install-info, uninstall):
4975 Also build and remove and install and uninstall c-tree.info and
4977 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
4978 ($(srcdir)/cppinternals.info): New target.
4979 * c-tree.texi: Change file name used when makeinfo used without -o
4980 from ir.info to c-tree.info. Add info directory entry.
4981 * cppinternals.texi: Add info directory entry.
4982 * .cvsignore: Update.
4984 2001-01-12 Jakub Jelinek <jakub@redhat.com>
4986 * c-typeck.c (store_init_value): Don't require constant initializer
4987 elements with -pedantic -std=c99.
4988 (digest_init): Change error about non-constant initializer elements
4990 (constructor_range_end): Remove.
4991 (constructor_incremental, designator_depth,
4992 designator_errorneous): New variables.
4993 (struct constructor_stack): Remove range_end, add incremental.
4994 (struct constructor_range_stack, constructor_range_stack): New.
4995 (struct initializer_stack): Add constructor_range_stack.
4996 (finish_init): Set it.
4997 (start_init): Likewise. require_constant_elements for non-static
4998 trees only if not flag_isoc99.
4999 (really_start_incremental_init): Remove constructor_range_end, add
5000 constructor_incremental.
5001 (pop_init_level): Likewise.
5002 (push_init_level): Likewise. If implicit and the subobject had some
5003 value set already, preinitialize the level with it.
5004 Warn about missing braces only if not pushing due to designators.
5005 (set_designator, push_range_stack): New functions.
5006 (set_init_label): Use them.
5007 (set_init_index): Likewise. Remove constructor_range_end.
5008 Error if designator index is outside of array bounds.
5009 (add_pending_init): Compare values of purpose index trees, not the
5010 trees themselves. Allow overwriting of already initialized element.
5011 Issue a warning if it had side-effects.
5012 (set_nonincremental_init, set_nonincremental_init_from_string): New
5014 (pending_init_member): Rename to...
5015 (find_init_member): ...this function. Call set_nonincremental_init
5016 if necessary. Compare values of purpose index trees, not the trees
5017 themselves. Return the actual value, not just non-zero if something
5019 (output_init_element): Remove checks for duplicates.
5020 If field has zero size, only check the initializer for correctness.
5021 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5022 if constructor_incremental is zero. Change error about initializers
5023 not computable at load time into pedwarn.
5024 (output_pending_init_elements): Compare bit positions, not
5025 FIELD_DECLs to take into account zero-sized fields.
5026 (process_init_element): Use constructor_range_stack to fill all
5027 ranges in the designator lists from current level up.
5028 * extend.texi: Update documentation for labeled elements.
5030 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5032 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5033 to function usage for arguments passed by reference. Optimize
5034 callee-copied arguments.
5035 * regmove.c (replace_in_call_usage): New function.
5036 (fixup_match_1): Call it.
5037 * cse.c (cse_insn): Canonicalize registers in function usage.
5038 * reload1.c (replace_pseudos_in_call_usage): New function.
5041 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5044 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5046 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5049 2001-01-12 DJ Delorie <dj@redhat.com>
5051 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5052 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5055 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5057 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5058 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5059 -std options alongside references to -ansi. Update some
5060 documentation for C99.
5061 * cpp.1: Regenerate.
5063 2001-01-12 Andreas Jaeger <aj@suse.de>
5065 * haifa-sched.c (restore_line_notes): Remove argument block B
5067 * sched-ebb.c (schedule_ebb): Change caller.
5068 * sched-rgn.c (schedule_region): Likewise.
5069 * sched-int.h (restore_line_notes): Adjust prototype.
5071 * loop.h: Remove wrong declaration of doloop_condition_get.
5073 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5075 * extend.texi: Move C++-extension-related node from the C section
5076 into the C++ section.
5078 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5080 * extend.texi: Refer to an array of pointers to functions instead
5081 of one of functions.
5083 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5084 Jan Hubicka <jh@suse.cz>
5086 * combine.c (reversed_comparison): Fix typo in last patch.
5088 (combine_reversed_comparison_code): Make static to follow
5089 prototype declaration.
5091 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5093 * install.texi: Remove misplaced duplicate entry.
5095 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5097 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5099 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5101 * final.c: (leaf_function_p): Fix typo.
5103 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5105 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5106 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5108 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5109 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5110 mmap_anon, and valloc is available.
5111 * ggc-page.c: Restructure ifdef logic to match new autoconf
5112 spec. Don't throw away the test page in init_ggc.
5114 * configure, config.in: Regenerate.
5116 2001-01-12 Michael Hayes <mhayes@redhat.com>
5118 * loop.h (total_biv_increment): Constify iv_class pointer.
5119 (struct induction): Replace `mem_mode' with `mem' rtx.
5120 * unroll.c (total_biv_increment): Constify iv_class pointer.
5121 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5122 (find_mem_givs, combine_givs_p): Likewise.
5123 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5125 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5127 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5129 (__gthread_getspecific): Ditto.
5131 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5133 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5134 put_condition_code): Convert fp comparison codes to integer
5136 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5139 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5140 * i386-protos.h (no_comparison_operator): Kill.
5142 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5144 * combine.c (REVERSIBLE_CC_MODE): Remove.
5145 (reversible_comparison_p): Remove.
5146 (combine_reversed_comparison_code): New.
5147 (reversed_comparison): New.
5148 (combine_simplify_rtx): Use
5149 combine_reversed_comparison_code/reversed_comparison instead
5150 of reversible_comparison_p.
5151 (simplify_if_then_else): Likewise.
5152 (simplify_set): Likewise.
5153 (simplify_logical): Likewise.
5154 (if_then_else_cond): Likewise.
5155 (known_cond): Likewise.
5156 (simplify_comparison): Likewise.
5158 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5160 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5161 sizeof (int) is larger than sizeof(__word__).
5163 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5165 * cppinit.c (do_includes): Fix typo.
5167 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5169 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5170 in S_REGS does not occur because not all sources are possible
5171 when a S_REGS is a destination (sometimes needs a clobber).
5172 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5173 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5174 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5175 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5176 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5177 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5178 (lshrdi_const1, lshrsi3_const16): Likewise.
5179 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5180 (*movhi_68hc12, *movqi_68hc12): Likewise.
5181 (movstrictqi): Make sure reloading in D_REGS as a destination
5184 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5186 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5188 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5190 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5191 -D, -U and -A, and don't initialize the builtins.
5192 (do_includes): Error if -include or -imacros with -fpreprocessed.
5193 * cppmain.c (cb_define, cb_undef): Unconditionally process
5195 * tradcpp.c (main): Fix typo.
5197 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5199 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5200 (read_name_map): Use IS_ABSOLUTE_PATH.
5201 * tradcpp.c (get_filename): Likewise.
5203 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5205 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5206 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5207 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5208 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5209 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5210 (cmphi_z_used): Don't use '@' for the output.
5211 (tstqi_z_used): Likewise.
5212 (cmpqi_z_used): Likewise.
5213 (one_cmplsi2): Likewise.
5215 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5217 * config/sh/sh.c (barrier_align): Recognize branch around far
5218 branch and redundant insn.
5220 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5222 * invoke.texi: Restore documentation of the drivers' switches -MD
5225 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5227 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5229 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5230 check-objc//%): Support parallel testing of multilibs.
5231 (TESTSUITEDIR): Set to testsuite by default, but override for
5233 (check-gcc, check-g++, check-g77, check-objc): Enter
5236 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5238 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5239 * sched-deps.c (deps_may_trap_p): Likewise.
5240 * basic-block.h: Remove a comment.
5241 * flow.c (PROP_POSTRELOAD): Remove.
5242 (update_life_info): Don't add it to prop_flags.
5243 (mark_set_1): Lose the code that was enabled by it.
5245 2001-01-11 Michael Hayes <mhayes@redhat.com>
5247 * flow.c (flow_call_edges_add): New.
5248 * basic_block.h (flow_call_edges_add): New.
5250 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5252 * reload1.c (move2add_note_store): Update reg_set_luid even if
5253 base reg remains the same.
5255 2001-01-10 Nick Clifton <nickc@redhat.com>
5257 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5258 machine_function structure to zero.
5259 Add prototypes for machine_status functions.
5261 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5263 * c-common.h (CTI_VOID_LIST): Remove.
5264 (void_list_node): Likewise.
5265 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5266 (void_list_node): New macro.
5267 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5268 * config/i386/i386.c (ix86_init_builtins): Likewise.
5269 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5271 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5273 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5274 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5276 * tradcpp.c: Include mkdeps.h.
5277 (deps, print_deps_phony_targets, deps_append, output_deps,
5278 init_dependency_output, output_deps): New.
5279 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5280 deps_output): Delete.
5281 (print_deps_missing_files): Rename deps_missing_files.
5282 (inhibit_output): Make global.
5283 (main): Delete inhibit_output, deps_stream, deps_target.
5284 Use mkdeps functionality in the same way as cpplib. Remove
5285 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5286 -M and -MM. Remove old handling of deps via deps_out, and
5287 old reading of environment variables.
5288 (get_filename): Update to use deps_add_dep.
5290 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5292 * output.h (make_function_rtl): Remove prototype.
5293 (make_decl_rtl): Likewise.
5294 * varasm.c (make_function_rtl): Remove.
5295 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5296 than from a third parameter.
5297 * tree.h (make_decl_rtl): Remove last parameter.
5298 * c-decl.c (builtin_function): Remove last argument in call to
5299 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5300 (start_function): Likewise.
5301 * except.c (call_get_eh_context): Likewise.
5302 * expr.c (emit_block_move): Likewise.
5303 (clear_storage): Likewise.
5304 * profile.c (output_func_start_profiler): Likewise.
5305 * toplev.c (rest_of_decl_compilation): Likewise.
5306 * objc/objc-act.c (create_builtin_decl): Likewise.
5307 (synth_module_prologue): Likewise.
5308 (generate_static_reference): Likewise.
5309 (build_selector_reference_decl): Likewise.
5310 (build_class_reference_decl): Likewise.
5311 (build_objc_string_decl): Likewise.
5312 (build_protocol_reference): Likewise.
5314 2001-01-10 Richard Henderson <rth@redhat.com>
5316 * hwint.h: Revert yesterday's change.
5318 2001-01-10 Nick Clifton <nickc@redhat.com>
5320 * function.h (save_machine_status): Delete.
5321 (restore_machine_status): Delete.
5322 Amend comment describing {init|mark|free}_machine_status.
5324 * function.c (save_machine_status): Delete.
5325 (restore_machine_status): Delete.
5326 Amend comment describing {init|mark|free}_machine_status.
5327 (push_function_context_to): Remove invocation of
5328 save_machine_status.
5329 (pop_function_context_from): Remove invocation of
5330 restore_machine_status.
5332 * emit-rtl.c (init_emit_once): Amend comment describing
5333 {init|mark|free}_machine_status.
5335 * tm.texi (Per-Function Data): New node. Describe the
5336 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5339 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5341 * cppinit.c (OPT_g): Remove.
5342 (cpp_handle_option): Update for removed -g3.
5343 (print_help): Update.
5344 * cpplib.h (struct cpp_options): Remove debug_output.
5345 * cppmain.c (setup_callbacks, cb_define): Update.
5346 * gcc.c (cpp_options): Translate -g3 to -dD.
5348 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5350 * config/i960/i960.md: Change modifier to + on the zero_extract
5351 pattern after the (rotate -2 reg) canonicalization pattern.
5353 2001-01-10 Richard Henderson <rth@redhat.com>
5355 * config/alpha/alpha.c (alpha_free_machine_status): New.
5356 (override_options): Install it.
5357 (alpha_mark_machine_status): Verify machine non-null.
5358 * config/i386/i386.c (ix86_free_machine_status): New.
5359 (override_options): Install it.
5360 (ix86_init_machine_status): Use xcalloc.
5361 (ix86_mark_machine_status): Verify machine non-null.
5362 * config/ia64/ia64.c (ia64_free_machine_status): New.
5363 (ia64_override_options): Install it.
5364 (ia64_mark_machine_status): Verify machine non-null.
5366 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5368 * function.c (instantiate_virtual_regs): Instantiate virtual
5369 registers found in CALL_INSN_FUNCTION_USAGE.
5371 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5373 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5374 equivalent to -ansi in disabling -Di386.
5376 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5378 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5380 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5382 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5384 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5386 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5388 * invoke.texi: Document that -fcond-mismatch isn't supported for
5391 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5393 * gcc.texi: Define macro gcctabopt.
5394 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5395 @command, @env and @option in some places where appropriate. Use
5396 @gcctabopt where appropriate. Put URLs and email addresses inside
5399 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5401 * gcc.c (cpp_options): Set MD file name from output
5402 filename, if specified.
5403 (suffix_subst): New static variable.
5404 (do_spec): Clear it.
5405 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5407 (give_switch): Handle suffix_subst.
5409 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5411 * invoke.texi: Fix another typo.
5413 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5415 * invoke.texi: Fix typo.
5417 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5419 * c-lang.c (lang_hooks): Update.
5420 (lang_decode_option): Remove.
5421 (lang_init_options): Rename c_init_options.
5422 * toplev.c (main): Use lang_hooks for lang_init_options
5423 and lang_decode_option.
5424 * toplev.h (lang_hooks): Add 2 new hooks.
5425 * tree.h: Remove lang_init_options and lang_decode_option.
5426 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5427 * cp/decl2.c: Similarly.
5428 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5429 (lang_hooks): Update.
5430 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5432 (lang_init_options): Rename ffe_init_options.
5433 (lang_hooks): Update.
5434 (lang_decode_option): Remove.
5435 * java/lang.c (lang_init_options): Rename java_init_options.
5436 (lang_decode_option): Rename java_decode_option.
5437 (lang_hooks): Update.
5438 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5439 (lang_decode_option): Rename objc_decode_option.
5440 (lang_hooks): Update.
5442 2001-01-09 Nick Clifton <nickc@redhat.com>
5444 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5445 (d30v_return_addr_rtx): Delete.
5446 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5447 cfun->machine structure.
5448 (struct machine_function): Move to d30v.h
5449 (d30v_save_machine_status): Delete.
5450 (d30v_restore_machine_status): Delete.
5451 (d30v_init_machine_status): New Function.
5452 (d30v_mark_machine_status): New Function.
5453 (d30v_free_machine_status): New Function.
5454 (d30v_init_expanders): Use new functions.
5455 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5456 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5457 d30v_return_addr_rtx.
5459 * config/d30v/d30v.h (struct_machine): Move here.
5460 Add eh_epilogue_sp_ofs field.
5462 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5463 field in cfun->machine structure.
5465 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5467 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5468 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5469 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5471 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5473 * objc/lang-options.h: Remove bogus reference to
5476 2001-01-09 Kazu Hirata <kazu@hxi.com>
5478 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5481 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5483 * reload.c (find_reloads_address): Check for eliminable registers
5484 when substituting a constant expression for a pseudo.
5486 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5488 * c-common.c (enum format_type): Add format_type_error.
5489 (decode_format_type): New function.
5490 (decl_attributes): Use it.
5491 (format_kind_info): Adjust comment.
5493 2001-01-09 David O'Brien <obrien@BSDi.com>
5495 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5496 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5498 * config/i386/gnu.h: Don't include required platform specific .h files,
5499 tm.h will do it instead.
5500 * config/i386/i386elf.h: Likewise.
5501 * config/i386/linux.h: Likewise.
5502 * config/i386/moss.h: Likewise.
5503 * config/mips/gnu.h: Likewise.
5505 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5507 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5508 (rs6000-ibm-aix3.[01]*): Likewise.
5509 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5510 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5511 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5512 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5513 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5514 (powerpc-*-eabiaix*): Likewise.
5515 (powerpc-*-eabisim*): Likewise.
5516 (powerpc-*-elf*): Likewise.
5517 (powerpc-*-eabi*): Likewise.
5518 (powerpc-*-rtems*): Likewise.
5519 (powerpc-*-linux*libc1): Likewise.
5520 (powerpc-*-linux*): Likewise.
5521 (powerpc-wrs-vxworks*): Likewise.
5522 (powerpcle-wrs-vxworks*): Likewise.
5523 (powerpcle-*-sysv*): Likewise.
5524 (powerpcle-*-elf*): Likewise.
5525 (powerpcle-*-eabisim*): Likewise.
5526 (powerpcle-*-eabi*): Likewise.
5527 (powerpcle-*-solaris2*): Likewise.
5528 * config/rs6000/aix31.h: Delete includes.
5529 * config/rs6000/aix3newas.h: Likewise.
5530 * config/rs6000/aix41.h: Likewise.
5531 * config/rs6000/aix43.h: Likewise.
5532 * config/rs6000/beos.h: Likewise.
5533 * config/rs6000/rtems.h: Likewise.
5534 * config/rs6000/sysv4.h: Likewise.
5536 2001-01-09 Kazu Hirata <kazu@hxi.com>
5538 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5539 Change an argument mode of machine_mode to shift_mode of
5540 shift_mode. Remove an extra error check.
5541 (emit_a_shift): Adopt to the new calling prototype of
5543 (function_prologue): Fix code for a monitor
5544 function. Support H8/S.
5545 (function_epilogue): Do not output pop for a monitor function.
5547 2001-01-09 Nick Clifton <nickc@redhat.com>
5549 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5550 (setup_incoming_varargs): Use sysv_varargs_p field of the
5551 cfun->machine structure.
5552 (struct machine_function): Move to rs6000.h
5553 (rs6000_save_machine_status): Delete.
5554 (rs6000_restore_machine_status): Delete.
5555 (rs6000_init_machine_status): New Function.
5556 (rs6000_free_machine_status): New Function.
5557 (rs6000_init_expanders): Use new functions.
5559 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5561 (struct machine_function): Move here.
5563 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5564 sysv_varargs_p field of the cfun->machine structure.
5566 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5568 (rs6000_restore_machine_status): Remove prototype.
5570 2001-01-09 Richard Henderson <rth@redhat.com>
5572 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5573 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5574 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5575 (sched_analyze_2, sched_analyze_insn): Likewise.
5576 (sched_analyze, init_deps): Likewise.
5577 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5578 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5579 (compute_block_backward_dependences): Update propagate_deps call.
5581 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5583 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5585 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5587 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5588 (cpp_handle_option): Handle them.
5589 (cpp_post_options): Ensure one of -M or -MM is specified with
5590 any other -M? option.
5591 (init_dependency_output): Suppress output with -MG.
5593 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5596 * invoke.texi: Update.
5598 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5600 * sh.md (reload_outsf): Generate recognizable patterns for
5603 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5605 * c-lang.c (lang_hooks): Update.
5606 (lang_init): Rename c_init.
5607 (lang_finish): Remove.
5608 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5610 * toplev.h (lang_hooks): Add init () and finish ().
5611 * tree.h (lang_init, lang_finish): Remove.
5612 * cp/tree.h (lang_init, lang_finish): Remove.
5613 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5614 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5616 (lang_init, lang_finish): Remove.
5617 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5618 (lang_hooks): Update.
5619 * java/lang.c (lang_init): Rename java_init.
5620 (lang_finish): Remove.
5621 (lang_hooks): Update.
5622 * objc/objc-act.c (lang_init): Rename objc_init.
5623 (lang_finish): Remove.
5624 (lang_hoooks): Update.
5626 20001-01-09 Graham Stott <grahams@redhat.com>
5628 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5629 after `ptr` is initialised.
5631 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5633 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5634 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5635 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5636 stack adjusts, instead of r3.
5638 2001-01-09 Michael Hayes <mhayes@redhat.com>
5640 * flow.c (flow_loop_scan): Break out of ...
5641 (flow_loops_find) ... here.
5642 * basic-block.h (flow_loop_scan): New.
5643 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5644 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5646 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5648 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5650 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5651 realloc()ing macro_buffer.
5653 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5654 if it's wider than long and the target's long is wider than the
5657 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5659 Remove support for using UWIN as a host machine.
5660 * configure.in: Issue an error message.
5661 * configure: Regenerated.
5662 * config.gcc: Remove xm_* UWIN configury.
5663 * config/i386/xm-uwin.h: Remove.
5665 2001-01-08 Nick Clifton <nickc@redhat.com>
5667 * config/v850/v850.c (ra_rtx): Delete.
5668 (v850_save_machine_status): Delete.
5669 (v850_restore_machine_status): Delete.
5670 (v850_init_machine_status): New function.
5671 (v850_mark_machine_status): New function.
5672 (v850_free_machine_status): New function.
5673 (v850_return_addr): Use ra_rtx field in machine structure.
5674 (v850_init_expanders): Use new functions.
5676 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5677 * config/v850/v850.c: Change arguments to v850_output+* functions
5678 to take a const char *, to avoid compile time warning.
5679 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5680 (USER_LABEL_PREFIX): Redefine.
5682 2000-01-08 Jim Wilson <wilson@redhat.com>
5684 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5685 1 to unsigned HOST_WIDE_INT before left shift.
5687 2001-01-08 Nick Clifton <nickc@redhat.com>
5689 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5690 the machine structure has been allocated.
5691 (arm_free_machine_status): New function: Free the machine
5692 specific function structure.
5694 2001-01-08 Richard Henderson <rth@redhat.com>
5696 * jump.c (simplejump_p): Revert last change.
5698 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5700 * cppinit.c (init): Rename init_library.
5701 (cpp_create_reader): Update.
5702 * gcc.c (cpp_options): If -o given, use it as the target of
5705 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5707 * arm.c (arm_arch5e): New variable.
5708 (all_cores): XScale is a 5TE device.
5709 (arm_override_options): Set arm_arch5e.
5710 (arm_init_builtins): __builtin_prefetch is in arch5e.
5711 * arm.h (arm_arch5e): Declare it.
5713 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5715 * arm.md (define_constants): Add defines for UNSPEC and
5716 UNSPEC_VOLATILE insns. Update all users.
5717 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5718 * arm.c (multi_register_push, note_invalid_constants)
5719 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5720 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5721 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5723 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5725 * jump.c (jump_optimize_1): Use reversed_comparison_code
5726 instead of can_reverse_comparison_p.
5727 (jump_back_p): Likewise.
5728 (invert_exp_1): Likewise.
5729 (thread_jumps): Likewise.
5730 * simplify-rtx.c (simplify_unary_operation): Likewise.
5731 (simplify_ternary_operation): Likewise.
5732 * cse.c (find_comparison_args): Convert to use
5733 can_reverse_comparison_p.
5734 (record_jump_equiv): Likewise.
5736 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5738 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5739 (EPILOGUE_USES): Define.
5740 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5741 automatically stack the LR if it isn't live.
5743 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5745 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5748 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5750 * ggc-page.c (max_alignment): New structure.
5751 (MAX_ALIGNMENT): New macro.
5752 (init_ggc): Use it to round up the sizes in the
5753 extra_order_size_table.
5755 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5757 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5760 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5762 * builtins.def (BUILT_IN_FPRINTF): New entry.
5764 * c-common.c (c_expand_builtin_fprintf): New function.
5765 (init_function_format_info): Handle __builtin_fprintf.
5766 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5767 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5769 * c-decl.c (duplicate_decls): Adjust comment.
5771 * extend.texi (fprintf): Document new builtin.
5773 2001-01-07 Richard Henderson <rth@redhat.com>
5775 * jump.c (simplejump_p): Recognize any single_set jump
5778 2001-01-07 Richard Henderson <rth@redhat.com>
5780 * configure.in (slibdir): Accept an --with-slibdir option.
5781 Use "test" not "[" in configure. Default to $(libdir).
5783 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5785 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5786 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5787 (SHLIB_LINK): Create links for the soname.
5788 * config/mips/t-iris6: Likewise.
5789 * config/sparc/t-slibgcc: Likewise.
5790 * config/sparc/t-slibgcc-sld: Likewise.
5792 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5794 * config/i386/i386.c (constant_call_address_operand): Accept
5795 (const (plus (symbol_ref) (const_int))).
5796 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5797 constant_call_address_operand.
5799 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5801 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5802 and LONG_LONG_TYPE_SIZE > 32.
5804 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5806 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5807 the previous change.
5809 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5811 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5813 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5814 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5815 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5818 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5820 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5822 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5824 * c-lang.c (c_post_options): Call cpp_post_options.
5825 * objc/objc-act.c (objc_post_options): Similarly.
5826 * cppmain.c (main): Similarly.
5827 * fix-header.c (read_scan_file): Similarly.
5828 * cppinit.c (cpp_start_read): Move option consistency checks
5829 to cpp_post_options. Don't call init_dependency_output.
5830 If needed, add default target and main file dependency.
5831 (OPT_MD, OPT_MMD): Remove.
5833 (cpp_handle_option): Update for OPT_* changes.
5834 (cpp_post_options): New.
5835 (init_dependency_output): Command line -MF overrides environment
5836 variables. Don't set default target etc. Suppress output
5837 if dependencies are going to stdout.
5838 (print_help): Update.
5839 * cpplib.h (cpp_post_options): New.
5840 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5842 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5844 * jump.c (comparison_dominates_p): Support unordered compares.
5846 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5848 * simplify-rtx.c (simplify_relational_operation): Always simplify
5849 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5852 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5854 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5855 (nonzero_bits): Likewise.
5856 (simplify_comparison): Likewise.
5857 (num_sign_bit_copies): Likewise; return more sane value depending
5858 on STORE_FLAG_VALUE.
5859 (known_cond): Do not assume EQ to be always true for equivalent
5862 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5864 * cse.c (fold_rtx): Handle unordered comparisons.
5866 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5868 * rtlanal.c (set_of_1): New static function.
5869 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5870 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5871 reg_set_last_last_regno): Remove.
5872 (set_of): New global function.
5873 (set_of_data): New structure.
5874 (reg_set_p, reg_set_last): Revamp for set_of.
5875 * rtl.h (set_of): New.
5877 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5879 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5880 * extend.texi: Document _Exit builtin.
5882 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5884 * (initialize, initialize_builtins,
5885 initialize_dependency_output, initialize_standard_includes):
5886 Rename s/initialize/init. Update.
5887 (init_dependency_output): Move to after
5888 cpp_handle_options, the correct location temporally at least.
5889 (opt_comp): Move next to init (), its caller. Fix prototype.
5890 (init): Make "initialized" local scope.
5891 (cpp_create_reader): Always call init ().
5892 (cpp_start_read): Update.
5893 (output_deps): New function, broken out of cpp_finish.
5894 (cpp_finish): Break out output_deps.
5896 2001-01-07 Richard Henderson <rth@redhat.com>
5898 * collect2.c (COFF specific stuff): Revert 12-06 patch
5899 to prototype system functions.
5901 2001-01-07 Michael Hayes <mhayes@redhat.com>
5903 * hard-reg-set.h: Add multiple include guard.
5904 * basic-block.h (struct loop): Add `sink' field.
5905 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5906 (emit_iv_add_mult): Delete.
5907 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5908 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5909 (unroll_loop): Remove end_insert_before argument.
5910 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5911 (maybe_eliminate_biv_1): Likewise.
5912 (emit_iv_add_mult): Delete.
5913 (gen_add_mult, loop_regs_update): New.
5914 (loop_insn_emit_after, loop_insn_emit_before): New.
5915 (loop_insn_sink, loop_insn_sink_or_swim): New.
5916 (emit_iv_add_mult): Delete.
5917 (scan_loop): Set loop->sink.
5918 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5919 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5920 (maybe_eliminate_biv_1): Likewise.
5921 (maybe_eliminate_biv_1): Add basic block argument.
5922 * unroll.c (unroll_loop): Remove end_insert_before argument.
5923 (find_splittable_regs): Likewise.
5924 (find_splittable_regs): Use loop_insn_sink and its ilk.
5925 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5927 2001-01-07 Michael Hayes <mhayes@redhat.com>
5929 * loop.h (loop_insn_hoist): New prototype.
5930 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5931 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5932 (check_dbra_loop, load_mems): Likewise.
5933 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5934 (find_splittable_givs): Likewise.
5936 2001-01-07 Michael Hayes <mhayes@redhat.com>
5938 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5940 2001-01-07 Richard Henderson <rth@redhat.com>
5942 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5944 2001-01-07 Richard Henderson <rth@redhat.com>
5946 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5947 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5948 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5949 variant that handles a shared libgcc.
5950 (process_command): Always validate -{static,shared}-libgcc.
5951 (do_spec_1): New 'M' case.
5952 * invoke.text (Link Options): Document -{static,shared}-libgcc.
5954 2001-01-07 Richard Henderson <rth@redhat.com>
5956 * Makefile.in (slibdir): New variable.
5957 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
5958 (installdirs): Create slibdir.
5959 (install-libgcc, install-multilib): Defer to libgcc.mk.
5960 * configure.in (slibdir): Substitute.
5961 * mklibgcc.in (install): New target.
5963 * config/t-linux (SHLIB_LINK): Create links for the soname.
5964 (SHLIB_INSTALL): New.
5965 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
5966 * config/mips/t-iris6 (SHLIB_INSTALL): New.
5967 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
5968 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
5969 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
5971 2001-01-07 Richard Henderson <rth@redhat.com>
5973 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
5974 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
5975 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
5977 2001-01-07 Michael Hayes <mhayes@redhat.com>
5979 * loop.c (count_loop_regs_set): Delete.
5980 (load_mems_and_recount_loop_regs_set): Delete.
5981 (loop_regs_scan): Merge common code from count_loop_regs_set,
5982 scan_loop, and load_mems_and_recount_loop_regs_set.
5983 (scan_loop): Call load_mems directly and loop_regs_scan
5984 again if new registers created.
5986 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5988 * toplev.c (main): Call the front-end specific post_options
5989 hook if one is given.
5990 * toplev.h (struct_lang_hooks, lang_hooks): New.
5991 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
5992 for the C front end.
5993 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
5994 lang_hooks for the C++ front end.
5995 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
5996 lang_hooks for the ObjC front end.
5997 * f/com.c (lang_hooks): Hooks for the Fortran front end.
5998 * java/lang.c (lang_hooks): Hooks for the Java front end.
6000 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6002 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6003 for verbose DWARF[2] debugging.
6004 (cb_define, cb_undef): The new callbacks.
6005 * toplev.h (debug_define, debug_undef): Make const correct.
6006 * toplev.c (debug_define, debug_undef): Similarly. Do not
6007 perform the verbosity tests here anymore.
6009 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6011 * reload.c (subst_reloads): Take INSN argument. When
6012 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6013 * reload.h (subst_reloads): Adjust prototype.
6014 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6015 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6016 present in JUMP_INSNs and copy them to JUMP_LABEL.
6017 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6018 JUMP_INSNs and insns with REG_LABELs that are followed by
6019 JUMP_INSNs with the same REG_LABEL.
6020 * sched-rgn.c (is_cfg_nonregular): Likewise.
6021 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6023 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6025 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6027 2001-01-06 Richard Henderson <rth@redhat.com>
6029 * loop.c (scan_loop): Use xcalloc for the regs array.
6030 (load_mems_and_recount_loop_regs_set): Zero the new memory
6031 received from xrealloc.
6033 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6035 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6037 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6039 * integrate.c (copy_rtx_and_substitute): When copying
6040 an ignored return value, strip REG_FUNCTION_VALUE_P.
6042 2001-01-06 Michael Hayes <mhayes@redhat.com>
6044 * loop.c (debug_biv, debug_giv): New.
6045 (loop_biv_dump): Break out from ...
6046 (record_biv): ... here.
6047 (loop_giv_dump): Break out from ...
6048 (record_giv): ... here.
6049 (loop_bivs_check): Use print_simple_rtl.
6050 * unroll.c (loop_iterations): Use print_simple_rtl.
6052 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6054 * pa.md (return, return_internal): Modify patterns to prevent regrename
6055 mucking with the return pointer.
6057 2001-01-05 Richard Henderson <rth@redhat.com>
6059 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6061 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6063 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6064 version supplied by Matteo Frigo.
6066 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6068 * cpp.texi: Update for -MQ.
6069 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6070 (cpp_cleanup): Always free pfile->deps.
6071 (initialize_dependency_output): Don't create pfile->deps.
6072 (cpp_handle_option): Similarly.
6074 * gcc.c (cpp_options): Handle -MQ.
6075 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6076 * mkdeps.c (base_name): Remove.
6077 (deps_init): Don't allocate vector space until it's needed.
6078 (deps_free): Only free vectors if allocated.
6079 (deps_add_target, deps_add_dep): Update for initial allocation.
6080 (deps_add_default_target): Don't strip to the base_name.
6082 2001-01-05 DJ Delorie <dj@redhat.com>
6084 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6085 (INIT_EXPANDERS): Define.
6087 * config/v850/v850.c (struct machine_function): Define.
6088 (v850_save_machine_status): New function.
6089 (v850_restore_machine_status): New function.
6090 (v850_return_addr): New function.
6091 (v850_init_expanders): New function.
6093 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6094 and v850_init_expanders.
6096 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6098 * cpplib.h (struct cpp_reader): Add help_only field.
6099 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6100 (cpp_handle_option): Set pfile->help_only if we see -h,
6101 --help, -target-help, or --version. Print version string but
6102 do not set help_only if we see -v or -version. Make text
6103 printed by -v match that printed by (-)-version.
6105 * cppmain.c (main): Exit after option parsing if
6106 pfile->help_only is true.
6108 * toplev.c (independent_decode_option): Call print_version,
6109 then exit, if we see --version (but not -version).
6110 (print_version): Split lengthy message into two lines.
6112 2001-01-05 Nick Clifton <nickc@redhat.com>
6114 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6115 temporary string for initialisation before calling ggc_alloc_string.
6117 2001-01-06 Michael Hayes <mhayes@redhat.com>
6119 * rtl.h (print_simple_rtl): New.
6120 * print-rtl.c (print_simple_rtl): New.
6122 (print_rtx): Disable printing of flags and modes, etc.,
6123 if `flag_simple` nonzero.
6125 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6127 * function.c (fixup_var_refs): Use push_to_full_sequence where
6130 2001-01-05 Michael Meissner <meissner@redhat.com>
6132 * flags.h (flag_reorder_blocks): Add declaration.
6133 (flag_rename_block): Ditto.
6135 2001-01-05 DJ Delorie <dj@redhat.com>
6137 * function.c (reorder_blocks): Make sure the flags are all reset
6138 before using them to mark blocks, else a second invocation will
6139 corrupt the block chain.
6140 (reorder_blocks_0): New, resets the flags.
6142 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6144 * cse.c (find_comparison_args): Stop if the argument is known to
6147 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6149 * config/sh/sh.md (movdf): When splitting load into pair of
6150 registers, don't clobber the register used in the address too
6153 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6155 * varasm.c (mark_constant_pool): Improve initial comments.
6156 (mark_constants): Move marking of constants to mark_constant.
6157 (mark_constant): New function to recursively mark all constants
6158 referred to by a constant.
6160 2001-01-05 Catherine Moore <clm@redhat.com>
6162 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6164 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6166 * cp/lang-options.h: Bring comment in line with reality.
6167 * f/lang-options.h: Likewise.
6168 * java/lang-options.h: Likewise.
6169 * objc/lang-options.h: Likewise.
6170 * ch/lang-options.h: Likewise.
6171 * f/g77.texi: And update the manual.
6173 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6174 Denis Chertykov <denisc@overta.ru>
6176 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6177 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6178 * config/avr/avr.md (all peepholes that request a scratch register):
6179 Call it, FAIL the peephole if not safe (in interrupt functions).
6181 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6183 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6185 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6187 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6189 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6190 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6191 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6192 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6193 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6195 * extend.texi: Document these builtins.
6197 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6199 * c-common.c (lang_get_alias_set): Say we know nothing of
6200 VECTOR_TYPE aliasing.
6202 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6204 2001-01-05 Bruce Korb <bkorb@gnu.org>
6206 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6207 their x* equivalent versions for atexit-less systems
6208 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6209 systems (or any other system any more).
6211 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6213 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6214 output operands. Use arm_hard_register_operand for operand 4.
6215 (stmsi_postinc): Similarly.
6216 (ldmsi): Use arm_hard_register_operand for opernand 2.
6218 * arm.c (arm_hard_register_operand): New function.
6219 * arm-protos.h (arm_hard_register_operand): Prototype it.
6221 * arm.h (HARD_REGNO_RENAME_OK): Define.
6223 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6225 * simplify-rtx.c (cfc_args): add "unordered" field.
6226 (check_fold_consts): Set unordered field.
6227 (simplify_relational_operation): Simplify the unordered
6230 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6233 * emit-rtl.c (try_split): Fix code to mark labels.
6234 * jump.c (mark_jump_label): Make global.
6235 * rtl.h (mark_jump_label): Declare.
6237 * predict.c (estimate_probability): Handle unordred comparisons.
6239 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6241 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6242 * cppinit.c (initialize_dependency_output): Update.
6243 (cpp_finish): Output dummy targets for -MP.
6245 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6246 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6247 * gcc.c (cpp_options): Update to handle -MP.
6248 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6249 to quote only the default target.
6250 (deps_phony_targets): Insert a preceding newline. Rename from
6251 deps_dummy_targets for consistency.
6254 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6256 * calls.c (emit_library_call_value_1): Support
6257 INIT_CUMULATIVE_LIBCALL_ARGS.
6258 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6260 2001-01-04 Richard Henderson <rth@redhat.com>
6262 * c-decl.c (finish_struct): Detect flexible array members
6263 used in an inappropriate context.
6264 * c-typeck.c (really_start_incremental_init): Special case
6265 constructor_max_index for zero length arrays.
6266 (pop_init_level): Allow initialization of flexible array
6267 members. Deprecate initialization of zero length arrays.
6268 Don't issue missing initializer warning for flexible array
6269 members or zero length arrays.
6270 (process_init_element): Don't dereference null DECL_SIZE.
6271 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6272 Don't abort for empty constructors. Use size_binop
6273 (output_constructor): Add commentary regarding zero length
6274 array futures. Abort if we try to initialize an array of
6275 unspecified length with a non-empty constructor in the middle
6278 * extend.texi (Zero Length): Update and clarify documentation
6279 on static initialization.
6281 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6283 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6284 with more than 32767 words of local storage.
6286 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6288 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6289 for 'abs', 'labs', and 'fabs'.
6290 (c4x_expand_builtin): Likewise.
6291 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6293 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6295 * config/sh/sh.md (prget, prset): New insn types.
6296 (return delay slot): Dont' allow prset.
6297 (call, sfunc delay slot): Don't allow prget.
6298 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6299 for prset and prget.
6301 2001-01-05 Michael Hayes <mhayes@redhat.com>
6303 * loop.h (struct loop_reg): New.
6304 (struct loop_regs): Change to use array of `struct loop_reg'.
6305 * loop.c: Replace assortment of varrays with single regs array.
6306 (count_one_set): Delete may_not_move array argument
6307 and use regs array instead. All caller's changed.
6308 (count_loop_regs_set): Delete may_not_move and single_usage
6309 arguments and use regs array instead. All caller's changed.
6310 (find_single_use_in_loop): Replace usage array argument with pointer
6311 to regs structure. All caller's changed.
6312 (loop_optimize): Delete `moved_once' array.
6314 2001-01-05 Michael Hayes <mhayes@redhat.com>
6316 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6317 Use it instead of loop_info->has_call for scanning loop mems.
6318 (check_dbra_loop): Replace loop_info->has_call test with
6319 loop_info->has_nonconst_call.
6321 2000-01-04 Matthew Hiller <hiller@redhat.com>
6323 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6326 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6328 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6329 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6331 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6333 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6334 (flag_short_double, flag_short_wchar): Define.
6335 (c_common_nodes_and_builtins): Create many tree nodes shared
6336 between C and C++ here instead of in cp/decl.c and ...
6337 * c-decl.c (init_decl_processing): ... here.
6338 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6339 (flag_short_double, flag_short_wchar): Don't define.
6340 (record_builtin_type): New function.
6341 (build_void_list_node): New function.
6342 * c-common.h (flag_short_double, flag_short_wchar,
6343 record_builtin_type, build_void_list_node): Declare.
6345 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6347 * integrate.c (expand_inline_function): Don't put a virtual
6348 register into the reg map.
6350 * function.c (fixup_var_refs_1): If force_operand didn't put
6351 the address into the target, move it there.
6353 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6355 Special-case tree_decl/tree_list allocations.
6356 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6357 (OBJECT_SIZE): New macro.
6358 (NUM_EXTRA_ORDER): Likewise.
6359 (extra_order_size_table): New variable.
6360 (NUM_ORDERS): New macro.
6361 (objects_per_page_table): New variable.
6362 (object_size_table): New variable.
6363 (G.pages): Use NUM_ORDERS to bound the array.
6364 (G.page_tails): Likewise.
6365 (DIV_ROUND_UP): Remove.
6366 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6367 (alloc_page): Use OBJECT_SIZE.
6368 (size_lookup): Don't make it const.
6369 (ggc_alloc): Use OBJECT_SIZE.
6370 (ggc_set_mark): Likewise.
6371 (ggc_get_size): Likewise.
6372 (init_ggc): Set up the object_size_table, objects_per_page_table,
6373 and adjust size_lookup.
6374 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6375 (ggc_pop_context): Use NUM_ORDERS.
6376 (clear_marks): Likewise.
6377 (sweep_pages): Likewise.
6378 (poison_pages): Likewise.
6379 (ggc_print_statistics): Use OBJECT_SIZE.
6381 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6383 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6384 Only call array_size_for_constructor if last field and array type
6385 with no upper bound.
6387 2001-01-04 Philip Blundell <philb@gnu.org>
6389 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6390 from bit 31 downwards, if this requires no more insns.
6391 (count_insns_for_constant): New helper function for above.
6393 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6395 * gencodes.c (output_predicate_decls): Remove empty initializer.
6397 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6399 * tree.c (copy_node): Remove documentation about obstacks.
6400 (buidl1): Check that nobody tries to build 2-argument nodes this
6403 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6405 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6408 * gencodes.c (output_predicate_decls): Fill empty initializer
6411 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6413 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6414 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6416 (do_include): Handle missing headers like cpp0.
6417 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6418 paths with first include pathname. Don't strcat to uninitialized
6421 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6423 * regrename.c (regrename_optimize): Don't rename from frame pointer
6424 if frame_pointer_needed.
6425 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6426 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6427 (ia64_reorg): Use it instead of scheduling if ! optimize.
6428 (errata_emit_nops): Properly call asm_noperands.
6429 (ia64_sched_reorder): Finish cycle if we see an asm.
6430 (ia64_variable_issue): Clear scheduling state after asms.
6432 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6434 * cpp.texi: Update for -MT.
6435 * cppinit.c (initialize_dependency_output): Add a default
6436 target if none has been given already.
6437 (no_tgt, OPT_MT): New.
6438 (cpp_handle_option): Handle -MT. Update -M etc.
6439 * cpplib.h (struct cpp_options): Remove deps_target.
6440 * gcc.c (cpp_options): Handle -MT.
6441 * mkdeps.c (struct deps): Move from mkdeps.h.
6442 (deps_calc_target): Rename deps_add_default_target. Add a
6443 default target if none has been specified already.
6444 * mkdeps.h (struct deps): Move to mkdeps.c.
6445 (deps_calc_target): Rename deps_add_default_target.
6447 2000-01-03 Richard Henderson <rth@redhat.com>
6449 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6451 * c-typeck.c (push_init_level): Move checks for flexible array
6452 members and zero length arrays ...
6453 (pop_init_level): ... here. Silently discard empty initializations.
6455 * varasm.c (output_constructor): Update for sizeof change to
6458 * extend.texi (Zero Length): Clarify semantics.
6460 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6462 * configure.in (tm.h): Include isns-codes.h last.
6463 * configure: Rebuilt.
6465 2001-01-03 Richard Henderson <rth@redhat.com>
6467 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6468 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6470 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6472 * tradcpp.c (main): Make sure finclude() is called with a valid
6473 indepth value while handling -include.
6475 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6477 * gencodes.c (output_predicate_decls): New function.
6479 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6480 even if it is not the first time machmode.h is #included.
6481 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6482 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6483 * gcc.texi (Copyright): Added 2001.
6485 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6487 * c-common.c (c_common_lang_init): New function. Warn if format
6488 warning options which only have effects when used with -Wformat
6489 are used without -Wformat.
6490 * c-common.h (c_common_lang_init): Declare.
6491 * c-lang.c (lang_init): Call c_common_lang_init.
6492 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6494 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6496 * configure.in: Check for the mktemp command.
6497 * configure: Regenerate.
6498 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6499 $TEMP. Create temporary files with mktemp, if available at
6500 configure time; otherwise use set -C. Remove temporary files
6503 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6505 * configure.in: Require at least texinfo 4.0. Check for whether
6506 Pod::Man is sufficiently recent to regenerate GCC manpages.
6507 * configure: Regenerate.
6508 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6510 (GENERATED_MANPAGES): Define.
6511 (generated-manpages): New target. Depend on cpp.1 as well as
6513 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6514 configure to generated-manpages or empty) rather than on the
6515 manpages directly. Remove execute permission from installed
6516 gcov.1 as well as cpp.1.
6517 * cpp.1, gcov.1: Regenerate.
6519 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6521 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6522 tree_low_cst. Allow using cmpstrsi in more cases.
6524 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6526 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6529 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6531 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6532 * Makefile.in (HOST_CFLAGS): Mention build-make.
6534 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6536 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6539 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6541 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6544 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6547 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6548 reg_base_value and reg_known_value arrays.
6549 (init_alias_analysis): Add more cases to detect known values.
6550 * sched-deps.c (deps_may_trap_p): New function.
6551 (sched_analyze_2): Use it.
6553 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6555 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6556 don't discard an ASHIFTRT if we're shifting in a wider mode.
6558 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6560 * toplev.c (rest_of_compilation): Don't print basic block information
6561 when CFG isn't up to date.
6563 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6565 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6566 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6567 (UNALIGNED_SHORT_ASM_OP): Define.
6568 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6570 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6572 * fold-const.c (fold_convert): Fix typo.
6574 2001-01-02 Richard Henderson <rth@redhat.com>
6576 * c-common.h (ASM_INPUT_P): New.
6577 * c-parse.in (asm): Set it when needed.
6578 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6579 existance of an operand.
6581 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6583 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6584 (dwarf2out_frame_debug_expr): Likewise.
6585 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6587 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6589 * i386.c (ix86_split_to_parts): Return number of part required;
6591 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6593 (ix86_split_long_move): Use number of part returned
6594 by ix86_split_to_parts
6595 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6597 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6598 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6599 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6600 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6601 (ALIGN_MODE_128): Add TFmode.
6602 (IS_STACK_MODE): Likewise.
6603 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6604 (HARD_REGNO_OK): Support TFmodes.
6605 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6606 * i386.md (scheduler definitions): Use memory operand to determine
6607 fst/fld instructions; use mode attribute to determine real mode of
6609 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6610 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6612 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6614 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6616 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6618 * expr.c (store_constructor_field): Update ALIGN before calling
6621 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6623 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6626 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6628 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6631 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6633 * c-decl.c (start_function): Don't warn on third parameter to main.
6635 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6637 * tsystem.h: Define HAVE_DECL_GETOPT.
6639 2001-01-02 Philip Blundell <pb@futuretv.com>
6641 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6644 2001-01-02 Richard Henderson <rth@redhat.com>
6646 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6648 2001-01-02 Andreas Jaeger <aj@suse.de>
6650 * c-decl.c (c_decode_option): Remove support of
6653 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6654 (W_options): Add -Wmissing-noreturn here.
6656 * flow.c: Define lang_missing_noreturn_ok_p.
6657 (check_function_return_warnings): Use it.
6659 * c-common.h: Declare lang_missing_noreturn_ok_p.
6661 * c-lang.c (c_missing_noreturn_ok_p): New function.
6662 (lang_init): Set lang_missing_noreturn_ok_p.
6664 * invoke.texi (Warning Options): Document this.
6666 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6668 * extend.texi (C++ Extensions): New node for C++ attributes;
6669 describe init_priority and com_interface.
6670 * invoke.texi: Remove -finit-priority as it now has zero effect.
6671 * install.texi: Fix xref syntax.
6672 * md.texi: Likewise.
6674 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6676 * config.gcc (sparc64-wrs-vxworks*): New case.
6677 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6679 * config/sparc/sparc.c (sparc_override_options): Do support different
6680 pointer and architecture size.
6681 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6682 (POINTERS_EXTEND_UNSIGNED): Define.
6683 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6684 (FUNCTION_MODE): Define to be Pmode.
6685 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6687 * function.c (expand_function_end): Properly handle DECL_RESULT
6688 and copy when ptr_mode != Pmode.
6689 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6691 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6693 * c-common.c (c_common_nodes_and_builtins): Set prototype
6694 parameters for __builtin_fputs, __builtin_fputc and
6695 __builtin_fwrite. Don't declare plain fputc as a builtin.
6697 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6699 * loop.c (add_label_notes): Increment the label usage count when
6700 a note is added to an insn which refers to a CODE_LABEL.
6701 * gcse.c (add_label_notes): Likewise.
6703 2001-01-01 Andreas Jaeger <aj@suse.de>
6705 * loop.c (scan_loop): Use xmalloc to allocate movables.
6707 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6709 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6710 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6711 * reload1.c (REGISTER_MOVE_COST): Likewise.
6712 * regclass.c (REGISTER_MOVE_COST): Likewise.
6713 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6714 dimension. Adjust all users.
6715 (init_reg_sets_1): Iterate on all modes.
6716 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6717 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6718 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6719 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6720 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6721 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6722 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6723 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6724 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6725 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6726 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6727 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6728 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6729 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6730 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6731 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6732 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6733 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6734 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6735 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6736 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6737 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6738 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6739 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6740 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6741 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6742 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6744 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6746 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6747 arg VARIES_P. Call it with extra arg.
6748 (true_dependence): Likewise.
6749 * rtl.h (rtx_addr_can_trap_p): Declare.
6750 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6752 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6753 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6754 pic offset table register if it's zero. All callers changed.
6755 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6757 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6759 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6760 STRING_POOL_ADDRESS_P.
6762 * config/sparc/sparc.c (input_operand): Properly test for short op.
6764 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6765 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6766 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6767 * config/sparc/elf.h: No longer include sol2.h.
6768 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6769 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6771 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6773 2001-01-01 Michael Hayes <mhayes@redhat.com>
6775 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6776 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6777 (record_initial): Likewise.
6778 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6779 (remap_split_bivs): Likewise.
6781 2001-01-01 Michael Hayes <mhayes@redhat.com>
6783 * loop.c (loop_ivs_free): New function.
6784 (strength_reduce): Break out from...
6786 2001-01-01 Michael Hayes <mhayes@redhat.com>
6788 * loop.h (struct iv): New.
6789 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6790 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6791 'reg_biv_class' fields with 'regs' and 'n_regs'.
6792 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6793 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6794 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6796 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6798 * resource.c (mark_referenced_resources): Abort() before
6799 attempting to mark a pseudo register.
6800 (mark_set_resources): Likewise.
6802 2001-01-01 Michael Hayes <mhayes@redhat.com>
6804 * loop.h (REG_IV_CLASS): New accessor macro.
6805 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6806 * unroll.c (REG_IV_CLASS): Likewise.
6808 See ChangeLog.4 for earlier changes.