1 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3 * gcse.c (hash_scan_set): An expression is not anticipatible if it
4 is part of a multi-SET insn.
6 * cse.c (find_comparison_args): Remove previous change.
7 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
10 * config/i386/i386.md (conditional_trap): Remove warning.
12 * recog.c (push_operand): Fix error in last change that caused
13 undefined symbol on many targets.
15 * sdbout.c: #include ggc.h.
16 (sdbout_init): Move to end of file.
17 Call ggc_add_tree_root for anonymous_types.
18 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
19 (sdbout_one_type): Use DECL_NAME for field name.
20 * Makefile.in (sdbout.o): Show includes ggc.h.
22 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
24 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
25 (override_options): Use properlimits for preferred_stack_boundary.
26 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
28 (ext_register_operand): Accept DImode.
29 (load_pic_register): Abort on 64bit.
30 (gen_push): Use Pmode instead of SImode.
31 (ix86_save_reg): Pic reg is never used on 64bit.
32 (ix86_expand_prologue): Likewise.
33 (ix86_emit_save_regs): Use Pmode instead of SImode.
34 (legitimate_address_p): Check displacement for 64bit.
35 (print_operand): Avoid outputting of (%rip) on 64bit.
36 (print_operand_address): Output (%rip) where possible.
37 (split_di): Abort on 64bit registers.
38 (ix86_expand_branch): DImode comparison is simple for x86_64.
39 (memory_address_length): Recognize memory addresses formed using
41 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
43 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
45 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
47 * recog.c (push_operand): Recognize new format of push instructions.
49 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
51 * i386.md (pushqi1): New.
52 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
53 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
54 x86_64_immediate_operand, x86_64_immediate_operand,
55 x86_64_zext_immediate_operand): Declare.
56 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
57 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
58 x86_64_immediate_operand, x86_64_immediate_operand,
59 x86_64_zext_immediate_operand): define.
60 * i386.h (PREDICATE_CODES): Add new predicates.
62 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
64 * i386.md (pophi1, popqi1, pushqi1): Remove.
66 * expr.c (emit_single_push_insn): New function.
67 (move_by_pieces): Accept NULL as destination for push instructions.
68 (gen_push_operand): Kill.
69 (emit_push_insn): Pass NULL when pushing; avoid updating of
71 * expr.h (gen_push_operand): Kill.
73 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
75 * rtl.texi (COMPARE): Clarify documentation and reference section
78 2001-03-20 Stan Shebs <shebs@apple.com>
80 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
81 (get_object_reference): Ditto.
82 (error_with_ivar): Use error_with_file_and_line.
83 (warn_with_method): Use warning_with_file_and_line.
85 2001-03-20 Tom Tromey <tromey@redhat.com>
87 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
89 2001-03-20 Mark Mitchell <mark@codesourcery.com>
91 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
92 variables that are TREE_PUBLIC, even if not TREE_STATIC.
94 2001-03-20 DJ Delorie <dj@redhat.com>
96 * Makefile.in (install-libgcc): Pass complete list of variables.
97 (install-multilib): Ditto.
99 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
101 * config/i386/cygwin.h: Declare ctor_section, dtor_section
102 drectve_section, switch_to_section.
104 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
105 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
106 i386_pe_mark_dllimport.
108 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
110 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
113 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
114 i386_pe_* functions with char * arguments.
116 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
118 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
120 (movsi_ie): Introduce fpul store.
122 2001-03-20 Alan Modra <alan@linuxcare.com.au>
124 * Makefile.in (OBJS): Remove hashtab.o.
126 2001-03-19 Stan Shebs <shebs@apple.com>
128 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
129 * c-lang.c (maybe_objc_method_name): Ditto.
130 * c-tree.h (maybe_objc_method_name): Remove decl.
132 2001-03-19 Tom Tromey <tromey@redhat.com>
134 * gcc.c (init_gcc_specs): Fix comment.
136 2001-03-19 Mark Mitchell <mark@codesourcery.com>
138 Compute DECL_ASSEMBLER_NAME lazily.
139 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
140 (DECL_ASSEMBLER_NAME_SET_P): New macro.
141 (SET_DECL_ASSEMBLER_NAME): Likewise.
142 (COPY_DECL_ASSEMBLER_NAME): Likewise.
143 (set_decl_assembler_name): Declare.
144 (lang_set_decl_assembler_name): Likewise.
145 * tree.c (lang_set_decl_assembler_name): New variab.e
146 (set_decl_assembler_name): New function.
147 (init_obstacks): Set lang_set_decl_assembler_name.
148 (build_decl): Don't set DECL_ASSEMBLER_NAME.
149 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
150 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
151 where it's not necessary.
152 (builtin_function): Likewise.
153 (finish_decl): Likewise.
154 * dbxout.c (dbxout_type_methods): Likewise.
155 * ggc-common.c (ggc_mark_trees): Likewise.
156 * profile.c (output_func_start_profiler): Likewise.
157 * varasm.c (make_decl_rtl): Likewise.
159 * cse.c (find_comparison_args): Update documentation. Fix
160 mishandling of COMPARE operations.
162 * tree.def (ABS_EXPR): Add documentation.
163 * fold-const.c (fold): Improve folding of ABS_EXPRs.
165 2001-03-19 Zack Weinberg <zackw@stanford.edu>
167 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
169 2001-03-19 Jakub Jelinek <jakub@redhat.com>
171 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
172 Remove ia32 linux PIC kludge and move it...
173 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
175 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
177 * i386.md (absdf2 expander): Fix 64bit case.
179 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
181 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
183 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
185 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
187 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
189 * README.X11: Remove obsolete file.
191 2001-03-18 Anthony Green <green@redhat.com>
193 * config/pj/pj.h: Remove some trailing commas.
194 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
196 2001-03-18 Richard Henderson <rth@redhat.com>
198 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
200 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
201 defaults for them here.
203 2001-03-17 Anthony Green <green@redhat.com>
205 * config/pj/lib1funcs.S: Fix broken comment.
206 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
209 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
211 * gcc.texi: Remove obsolete information relating to build and
212 installation problems with enquire or the Pyramid C compiler.
214 2001-03-17 Richard Henderson <rth@redhat.com>
216 * dwarf2out.c (queue_reg_save): New.
217 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
218 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
220 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
221 (cfa, cfa_store, cfa_temp): Make static.
222 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
224 2001-03-17 Richard Henderson <rth@redhat.com>
226 * integrate.h (struct inline_remap): Add local_return_label.
227 * integrate.c (expand_inline_function): Initialize it and emit
228 it after copy_insn_notes.
229 (copy_insn_list): Don't store local_return_label here.
230 (copy_insn_notes): New function split out from copy_insn_list.
232 2001-03-17 Richard Henderson <rth@redhat.com>
234 * dwarf2out.c (lookup_filename): Emit .file if the assembler
235 is generating .debug_line.
236 (dwarf2out_init): Add main_input_filename to the file table first.
237 * configure.in (as_dwarf2_debug_line): Test with file number 1
238 instead of file number 0.
240 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
242 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
243 (gen_rtx_combine): Deleted; all references changed as appropriate.
244 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
246 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
248 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
250 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
253 2001-03-16 Jim Wilson <wilson@redhat.com>
255 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
256 then set it to LOC_REG (79) instead of aborting.
258 2001-03-16 Phil Edwards <pme@sources.redhat.com>
260 * gccbug.in: Remove high priority.
262 2001-03-16 Richard Henerson <rth@redhat.com>
264 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
265 output with a space instead of deleting it.
266 * configure: Regenerate.
268 2001-03-16 Zack Weinberg <zackw@stanford.edu>
270 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
271 handles the gory details of converting an object file into
272 something that's safe to grep.
273 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
274 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
275 newlines at either end of the string we're looking for.
276 Make 'checking ...' message less stilted.
277 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
278 ARM in-memory layout and its hypothetical converse. Don't
279 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
280 HOST_WORDS_BIG_ENDIAN.
282 * configure.in: Adjust for renamed macro. Move
283 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
284 * configure, config.in: Regenerate.
286 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
288 * fixinc/Makefile.in: Set SHELL.
290 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
292 * fixinc/fixincl.c (fix_with_system): Quote file names before
293 passing them to shell.
295 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
297 * Makefile.in: Use fix-header$(build_exeext) instead
300 2001-03-16 Richard Henderson <rth@redhat.com>
302 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
303 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
304 (size_of_line_prolog): Remove.
305 (output_line_info): Compute prologue size via label difference.
306 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
308 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
309 assembler error when redefining file numbers.
310 * config.in, configure: Rebuild.
312 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
313 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
314 (dw2_asm_output_delta_uleb128): Likewise.
315 (dw2_asm_output_delta_sleb128): Similarly.
316 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
318 2001-03-16 Michael Meissner <meissner@redhat.com>
320 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
322 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
324 (BITMASK_LOWER16): Replacement for 0x0000ffff.
326 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
327 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
328 being unsigned in ISO C and signed in traditional.
329 (expand_prologue): Ditto.
330 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
332 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
334 (divsi3,divdi3): Ditto.
335 (modsi3,moddi3): Ditto.
336 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
337 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
338 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
341 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
343 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
344 SSE based conditional moves on LTGT/UNEQ conditions;
345 Canonicalize EQ to NE.
346 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
347 (sse_mov?fcc_ne): New.
349 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
351 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
353 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
354 register may be dead.
356 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
358 * Makefile.in (hash.o): Depend on CONFIG_H.
360 2001-03-15 Mark Mitchell <mark@codesourcery.com>
362 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
364 2001-03-15 Richard Henderson <rth@redhat.com>
366 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
367 (ASM_OUTPUT_DWARF_PCREL): New.
368 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
370 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
372 * cppfiles.c (stack_include_file): Use MAX of sysp.
374 2001-03-15 Steve Ellcey <sje@cup.hp.com>
376 * config.gcc (ia64*-*-hpux*): New case.
377 * config/ia64/hpux.h: New file for HP-UX support.
378 * config/ia64/t-hpux: New file for HP-UX support.
380 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
382 * fixinc/inclhack.def (irix_stdio_va_list): New.
383 * fixinc/fixincl.x: Rebuilt.
385 2001-03-15 Richard Henderson <rth@redhat.com>
387 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
388 if provided by the target.
389 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
390 (dw2_asm_output_addr): New.
391 * dwarf2asm.h (dw2_asm_output_addr): Declare.
392 * dwarf2out.c (output_cfi): Use it for program addresses.
393 (output_call_frame_info, output_die): Likewise.
394 (output_aranges, output_line_info): Likewise.
396 2001-03-15 Bruce Korb <bkorb@gnu.org>
398 * gcc.c(main): make more rigorous
399 * collect2.c(main): guard against ignoring SIGCHLD
400 * protoize.c(main): ditto
401 * gcc/fixinc/fixincl.c(initialize): ditto
403 2001-03-15 Mark Mitchell <mark@codesourcery.com>
405 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
406 (sdbout_parms): Likewise.
408 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
410 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
411 "widen" a destination that is already wider than a word. Also do
412 not widen if LOAD_EXTEND_OP is NIL for the given mode.
414 2001-03-15 Bernd Schmidt <bernds@redhat.com>
416 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
418 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
420 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
422 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
424 * i960.h (i960_maxbitalignment,
425 i960_last_maxbitalignment): Declare.
426 * i960.c (i960_maxbitalignment,
427 i960_last_maxbitalignment): Make global.
428 (process_pragma): Delete.
429 (i960_pr_align, i960_pr_noalign): Move from here ...
430 * i960-c.c: ... to this new file.
431 * t-960bare (i960-c.o): New rule.
432 * t-vxworks960 (i960-c.o): Likewise.
433 * config.gcc (i960-*-*): Define c_target_objs and
436 2001-03-15 Bernd Schmidt <bernds@redhat.com>
438 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
439 without adding in rtx code and mode.
441 * alias.c (init_alias_analysis): Don't use any rtx whose value
442 varies as a known value.
443 Delete a superfluous test.
445 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
447 (ia64_sched_reorder): Call maybe_rotate; also rotate after
448 scheduling a stop bit.
449 (ia64_emit_nops): Correctly handle ASMs.
451 2001-03-15 Mark Mitchell <mark@codesourcery.com>
453 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
455 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
457 * cpp.texi: Update documentation for -include and -imacros.
458 * cppfiles.c (struct include_file): Remove "defined" memeber.
459 (find_or_create_entry): Make a copy of the file name, and
461 (open_file): Update to ensure we use the simplified filename.
462 (stack_include_file): Don't set search_from.
463 (cpp_included): Don't simplify the path name here.
464 (find_include_file): New prototype. Call search_from to
465 get the start of the "" include chain. Don't simplify the
467 (_cpp_execute_include): New prototype. Move diagnostics to
468 do_include_common. Update.
469 (_cpp_pop_file_buffer): Don't set defined.
470 (search_from): New prototype. Use the preprocessor's cwd
471 for files included from the command line.
472 (read_name_map): Don't simplify the pathname here.
473 * cpphash.h (enum include_type): New.
474 (struct buffer): Delete search from. New search_cached.
475 (_cpp_execute_include): Update prototype.
476 * cppinit.c (do_includes): Use _cpp_execute_include.
477 * cpplib.c (do_include_common): New function.
478 (do_include, do_include_next, do_import): Use it.
480 2001-03-14 Mark Mitchell <mark@codesourcery.com>
482 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
483 contents of the RTL, to determine the name of the object.
485 2001-03-14 Mark Mitchell <mark@codesourcery.com>
487 * tree.h (DECL_RTL): Allocate RTL lazily.
488 (SET_DECL_RTL): New macro.
489 (DECL_RTL_SET_P): Likewise.
490 (COPY_DECL_RTL): Likewise.
491 (DECL_RTL_IF_SET): Likewise.
492 * varasm.c (make_decl_rtl): Add assertions about the kind of
493 declaration we are processing.
494 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
495 (start_decl): Likewise.
496 (finish_decl): Likewise.
497 * c-semantics.c (emit_local_var): Likewise.
498 * calls.c (expand_call): Likewise.
499 * dbxout.c (dbxout_symbol): Likewise.
500 * emit-rtl.c (unshare_all_rtl): Likewise.
501 (unshare_all_decls): Likewise.
502 (reset_used_decls): Likewise.
503 * expr.c (store_constructor): Likewise.
504 (safe_from_p): Likewise.
505 (expand_expr): Likewise.
506 * function.c (put_var_into_stack): Likewise.
507 (instantiate_decls_1): Likewise.
508 (assign_parms): Likewise.
509 (expand_function_start): Likewise.
510 (expand_function_end): Likewise.
511 * ggc-common.c (gcc_mark_trees): Likewise.
512 * integrate.c (function_cannot_inline_p): Likewise.
513 (copy_decl_for_inlining): Likewise.
514 (expand_inline_function): Likewise.
515 (integrate_parm_decls): Likewise.
516 (integrate_decl_tree): Likewise.
517 * print-tree.c (print_node): Likewise.
518 * reg-stack.c (stack_result): Likewise.
519 * stmt.c (label_rtx): Likewise.
520 (expand_return): Likewise.
521 (expand_decl): Likewise.
522 (expand_decl_cleanup): Likewise.
523 (expand_anon_union_decl): Likewise.
524 * toplev.c (check_global_declarations): Likewise.
525 (rest_of_decl_compilation): Likewise.
526 * tree.c (simple_cst_equal): Likewise.
527 * objc/objc-act.c (generate_static_references): Likewise.
529 2001-03-14 Zack Weinberg <zackw@stanford.edu>
531 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
532 gcc_AC_C_FLOAT_FORMAT): New macros.
533 * configure.in: Add AC_PROG_CPP after CC tests;
534 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
535 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
536 * configure, config.in: Regenerate.
538 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
539 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
540 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
541 config/i370/xm-linux.h, config/i370/xm-oe.h,
542 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
543 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
544 config/pa/xm-linux.h, config/pa/xm-pa.h,
545 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
546 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
547 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
548 config/we32k/xm-we32k.h: Delete.
550 * config/i370/xm-mvs.h, config/m88k/m88k.h,
551 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
552 config/vax/xm-vms.h: Don't define any of:
553 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
555 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
557 * config.gcc: Remove references to deleted files.
558 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
559 FATAL_EXIT_CODE, which is the same between oe and mvs).
561 2001-03-14 DJ Delorie <dj@redhat.com>
562 Vladimir Makarov <vmakarov@redhat.com>
564 * config/i960/i960.c (i960_function_prologue): Compute size of
565 frame according to number of registers actually saved there.
567 2001-03-14 Richard Henderson <rth@redhat.com>
569 * expr.c (emit_move_insn_1): Fix else if around #endif.
571 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
574 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
577 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
579 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
580 (override_options): Parse cmodel string.
581 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
582 * i386.h (TARGET_OPTIONS): Add "cmodel".
583 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
585 (ix86_cmodel_string, ix86_cmodel): Declare.
587 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
590 * i386.h (GENERAL_REG_P): Add missing REG_P.
592 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
594 * configure.in: Use $gcc_cv_as instead of $as.
595 * configure: Regenerated.
597 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
599 * cppfiles.c (stack_include_file): Only increase the include
600 count if we actually process the file properly, as opposed
601 to treating it as length zero. Only call read_include_file
602 if not DO_NOT_REREAD. Handle the -H include file output
604 (read_include_file): Remove now redundant DO_NOT_REREAD check.
605 (cpp_included, find_include_file): Simplify pathnames after
606 remapping them. If remapping, don't use the remapped file
607 name's buffer as our scratch buffer.
608 (cpp_pop_file_buffer): Replace the multiple include macro
609 only if it isn't yet set.
610 (read_name_map): Simplify remapped names when reading in.
611 (remap_filename): Move code to code path that uses it.
612 (_cpp_simplify_pathname): Return the input pointer.
613 * cpphash.h (_cpp_simplify_pathname): Update prototype.
615 2001-03-14 Mark Mitchell <mark@codesourcery.com>
617 * expr.c (expand_expr): Revove bogus conditional.
619 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
621 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
623 2001-03-14 Jakub Jelinek <jakub@redhat.com>
625 * reg-stack.c (stack_result): Unconditionally use
626 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
628 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
630 * expr.c (emit_move_insn_1): Split push of complex value when
631 no suitable push instruction exist.
633 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
636 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
638 * alias.c (handled_component_p, can_address_p): New functions.
639 (get_alias_set): Use them.
641 2001-03-13 Jim Wilson <wilson@redhat.com>
643 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
644 from 80 in try_locals code.
645 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
647 2001-03-13 Zack Weinberg <zackw@stanford.edu>
649 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
650 gcc_AC_C_LONG_LONG): New.
651 * configure.in: Use them. Probe the size of short, int, long,
652 and long long/__int64 if we have them. Move all the AC_C_*
653 checks together, except gcc_AC_C_CHAR_BIT which has to go
654 after AC_CHECK_HEADERS(limits.h).
655 Take hwint.h out of host_xm_file and build_xm_file.
657 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
658 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
659 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
660 Move the HOST_WIDEST_INT setup logic here from system.h.
661 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
663 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
664 is now handled by hwint.h.
666 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
667 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
668 config/ia64/xm-ia64.h: Don't define any of:
669 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
670 HOST_BITS_PER_LONGLONG.
672 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
673 config/h8300/xm-h8300.h, config/mips/iris6.h,
674 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
675 config/sparc/xm-sp64.h: Delete.
676 * config.gcc: Remove references to deleted files.
678 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
679 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
680 * config/i370/xm-linux.h: Clarify floating-point situation in
683 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
685 * cppfiles.c (NO_INCLUDE_PATH): New macro.
686 (find_include_file): Decide here which part of the include
687 chain to start the search. Complain about an empty include
688 chain in all cases apart from an abolsute file name.
689 (_cpp_execute_include): Don't choose the search chain here.
690 Don't call handle_missing_include in the case of an empty
692 (_cpp_compare_file_date): Don't choose the search chain here.
693 * cpplib.c (do_include_next): Move the in-main-file diagnostic
694 here from _cpp_execute_include. Behave like #include if
695 we're in the main file.
697 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
699 * system.h (malloc, realloc, calloc, strdup): Only poison these
700 tokens when IN_GCC is defined.
702 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
704 * i386.md (abs?f expander): Support SSE case.
705 (abd?f_if): Add new "USE"; add splitters.
707 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
709 * cpp.texi (poison): Explain the macro expansion exception.
711 2001-03-13 Jakub Jelinek <jakub@redhat.com>
713 * expr.c (store_expr): Add dont_store_target. If temp is already in
714 target before copying to reg, don't store it into target again.
716 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
718 * cppinternals.texi: Update for file handling.
720 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
722 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
723 2001-02-24 which broke building the Java library.
724 * function.c (identify_blocks): Likewise.
725 (all_blocks): Likewise.
726 * integrate.c (integrate_decl_tree): Likewise.
727 * print-tree.c (print_node): Likewise.
728 * tree.h (BLOCK_NUMBER): Likewise.
729 (struct tree_block): Likewise.
731 2001-03-12 David Edelsohn <edelsohn@gnu.org>
733 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
734 __WCHAR_TYPE__ definition.
735 (WCHAR_TYPE_SIZE): #undef before #define.
737 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
739 * cppfiles.c: Update comments.
740 (destroy_include_file_node): Rename destroy_node.
741 (find_or_create_entry): New function.
742 (open_file, _cpp_fake_include): Use it.
743 (handle_missing_header): New function, broken out of
744 _cpp_execute include. Don't segfault if there is no
745 system or quoted path.
746 (_cpp_execute_include): Use handle_missing_header.
748 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
750 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
751 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
753 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
755 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
756 unless anti_dependence says they are.
757 * alias.c (objects_must_conflict): If neither has a type specified,
760 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
761 David Billinghurst <David.Billinghurst@riotinto.com>
763 * config/mips/iris5.h: Change WCHAR_TYPE to int.
765 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
767 * i386.md (trunctfdf2_2): Rename missnamed pattern.
768 (*_one_bit): Remove type on the match_operand in attributes.
770 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
772 * i386.c: Commit forgotten hunk in previous patch.
773 (regclass_map): Add extended registers.
774 (dbx_register_map): Add missing frame register.
776 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
778 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
780 * i386.md (x86_sahf_1): Disable for 64bit.
781 (popsi*, pophi*): Likewise.
782 (pushqi, pushhi): Likewise.
783 (movdi, pushdi): Likewise.
784 (zero extend DImode splitter): Likewise.
785 (adddi, minusdi splitter): Likewise.
786 (umulsidi): Likewise.
788 (mulsidi): Disable for 64bit
789 (lshift:DI/ashift:DI): Disable for 64bit.
790 (loop patterns): Likewise.
791 (call_pop, call_value_pop expanders and patterns): Likewise.
792 (prologue_get_pc): Likewise.
794 (fcmovDI pattern and splitter): Likewise.
795 (movdfcc_1_rex64): New.
797 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
799 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
800 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
801 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
802 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
803 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
804 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
805 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
806 (PUSH_ROUNDING): x86_64 rounds to 64bits.
807 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
808 (REGPARM_MAX): Set to 6 for x86_64.
809 (SSE_REGPARM_MAX): Set to 16 for x86_64.
810 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
813 * (patterns that does use upper halves): Update constraints
814 'q' to 'Q' and 'r' to 'R'.
815 (cmpqi_ext_1): Disable for 64bit.
816 (cmpqi_ext_3_insn): Likewise.
817 (movqi_extzv_1): Likewsie.
818 (addqi_ext_1): Liekwsie
819 (testqi_ext_1): Liekwsie
820 (andqi_ext_1): Liekwsie
821 (xorqi_ext_1): Liekwsie
822 (cmpqi_ext_1_rex64): New.
823 (cmpqi_ext_3_insn_rex64): Likewise.
824 (movqi_extzv_1_rex64): Likewsie.
825 (addqi_ext_1_rex64): Liekwsie
826 (testqi_ext_1_rex64): Liekwsie
827 (andqi_ext_1_rex64): Liekwsie
828 (xorqi_ext_1_rex64): Liekwsie
830 2001-03-11 Zack Weinberg <zackw@stanford.edu>
832 * configure.in: Move check for unsigned enumerated bitfields
833 to macro in aclocal.m4. Disable it for now.
834 * configure, config.in: Regenerate.
835 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
836 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
837 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
838 kind above its first use.
840 * config/xm-interix.h, config/alpha/xm-alpha.h,
841 config/i370/xm-linux.h, config/i386/xm-beos.h,
842 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
843 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
844 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
845 Don't define ONLY_INT_FIELDS under any circumstances.
847 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
849 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
850 config/sparc/xm-sysv4.h: Delete - now identical with some
852 * config.gcc (hppa targets): Replace xm-pahpux.h and
853 xm-papro.h with implicit xm-pa.h.
854 (sparc targets): Replace xm-sysv4.h with implicit or explicit
857 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
859 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
860 before reload_cse_noop_set_p.
862 2001-03-11 Zack Weinberg <zackw@stanford.edu>
864 * config.gcc: Where xm-host.h used to include another
865 xm-host.h, list the nested header directly in xm_file. Remove
866 references to deleted files. Can now use sparc/xm-sp64.h for
869 * config/xm-linux.h, config/arm/xm-linux.h,
870 config/i386/xm-dos.h, config/i386/xm-gnu.h,
871 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
872 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
873 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
874 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
877 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
878 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
879 bother to wrap #undef in #ifdef.
880 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
881 Don't include xm-linux.h.
882 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
884 * configure.in: Wrap regexps using [] in changequote block.
885 Use expr : not echo | grep. Simplify regexps.
886 * configure: Regenerate.
888 56 xm-files remain, 22 xm-arch.
890 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
892 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
893 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
894 (local_index, local_rindex): Delete, use strchr/strrchr instead.
895 (copy_object): Fix format specifier vs argument mismatch.
897 * mips-tdump.c: Make local functions static.
898 (rindex): Don't #undef.
899 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
900 (fatal, fancy_abort): Delete.
901 (read_seek): Avoid signed/unsigned compare.
903 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
905 * combine.c (try_combine): Fix error in change to try original
907 (gen_rtx_combine): Do same as gen_rtx for now.
909 2001-03-11 Zack Weinberg <zackw@stanford.edu>
911 * configure.in: AC_SUBST xm_defines.
912 * configure: Regenerate.
913 * Makefile.in: Set DEFINES=$(xm_defines) when building
916 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
918 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
919 (cpp_included, find_include_file): Update.
920 (_cpp_compare_file_date): Make else unconditional.
922 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
924 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
926 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
928 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
929 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
931 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
933 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
934 if it's a record type.
936 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
938 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
939 mingw includes slightly.
941 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
943 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
944 #undef token before poisoning it.
946 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
948 * alpha.c (check_float_value): Use memcpy, not bcopy.
950 * m32r.c (m32r_sched_reorder): Likewise.
952 * vax.c (check_float_value): Likewise.
954 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
956 * toplev.c (file_name_nondirectory): Remove.
957 * toplev.h: Similarly.
958 * dwarf2out.c (compute_section_prefix): Use lbasename instead
959 of file_name_nondirectory.
961 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
963 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
964 * mips-tfile.c: Don't #undef rindex; not used.
966 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
968 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
969 (dbx64_register_map): Declare.
970 (RETURN_ADDR_RTX): Fix for 64bit.
971 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
972 (INCOMING_FRAME_SP_OFFSET): Set to 8.
973 * i386.c (dbx64_register_map): New global array.
974 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
975 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
978 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
980 * cppfiles.c (search_from): Use lbasename.
981 * mkdeps.c (deps_add_default_target): Use lbasename.
983 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
985 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
986 xcalloc in lieu of malloc, realloc & calloc.
988 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
990 * gengenrtl.c (xmalloc): Likewise.
992 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
993 really_call_* memory allocation routines.
995 * stmt.c (check_for_full_enumeration_handling): Use
996 really_call_calloc, not calloc.
998 * system.h (really_call_malloc, really_call_calloc,
999 really_call_realloc): Define.
1000 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1002 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1004 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1006 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1008 * configure: Rebuilt.
1009 * configure.in: Only use `lang_requires' for languages athat are
1012 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1014 * invoke.texi: Fix typo.
1015 * gcc.1: Regenerate.
1017 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1019 * configure.in: Prune nonexistent files from build_xm_file,
1020 xm_file, and host_xm_file lists. Warn unless they're
1022 Don't generate *config.h here.
1023 AC_SUBST all variables needed to generate *config.h.
1024 * configure: Regenerate.
1025 * mkconfig.sh: New helper script, from code removed from
1027 * Makefile.in: Zap all MALLOC variables - no longer used
1028 anywhere, and malloc.c doesn't exist.
1029 Substitute in variables needed to generate *config.h.
1030 Stop lying about the dependencies contained in CONFIG_H and
1032 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1033 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1034 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1035 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1036 $(TM_P_H), etc. as appropriate.
1038 * config.gcc: Zap references to deleted files.
1039 * ggc-none.c: Don't include rtl.h or tm_p.h.
1041 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1042 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1043 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1044 config/i386/xm-linux.h, config/i386/xm-linux.h,
1045 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1046 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1047 Don't include i386/xm-i386.h.
1049 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1050 config/i386/xm-i386.h, config/i860/xm-i860.h,
1051 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1052 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1053 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1054 Delete (empty except comments, #includes of other deleted
1055 files, and macros used nowhere).
1057 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1059 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1060 independent on TARGET_FLAGS.
1062 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1064 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1066 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1068 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1070 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1071 LAST_REX_SSE_REG): define.
1072 (enum reg_class): Add 'LEGACY_REGS'
1073 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1074 (SSE_REGNO_P): Recognize extended registers.
1075 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1076 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1077 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1078 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1079 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1080 REG_OK_FOR_STRREG_P): Remove.
1081 (HI_REGISTER_NAMES): Add extended registers.
1082 (ADDITIONAL_REGISTER_NAMES): Likewise.
1083 (QI_REGISTER_NAMES): Add 8bit extended registers.
1084 (DEBUG_REG): Support extended registers.
1085 * i386.c (regclass_map): Add extended registers.
1086 (dbx_register-map): Likewise.
1087 (svr4_dbx_register_map): Likewise.
1088 (print_reg): Support extended registers.
1089 (print_operand): Support 64bit operands.
1091 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1093 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1094 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1095 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1096 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1097 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1098 STACK_BOUNDARY): Set properly for 64bits.
1099 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1100 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1101 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1102 (MOVE_MAX): Set to 16.
1103 (MOVE_MAX_PIECES): 8 for 64bit.
1104 (Pmode): Set to SImode.
1106 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1108 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1110 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1112 * i386.h (mask_64bit): New constant.
1113 (target_64bit): New macro.
1114 (target_options): Add '64'/'32'
1115 (target_default): Define.
1116 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1117 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1118 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1120 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1122 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1124 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1126 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1127 LO_SUM unless for_alias is set.
1129 2001-03-08 Stan Shebs <shebs@apple.com>
1131 * objc/objc-act.c: Fix old typos in comments, add comments for
1133 (hash_init): Fix file name in error message.
1134 (hash_enter): Ditto.
1135 (hash_add_attr): Ditto.
1136 (continue_class): Ditto.
1138 2001-03-08 Bruce Korb <bkorb@gnu.org>
1140 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1141 wait4() can receive the signal.
1143 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1145 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1147 * fixinc/fixincl.x: Regenerate.
1149 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1151 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1153 * fixinc/fixincl.x: Regenerate.
1155 2001-03-08 Richard Henderson <rth@redhat.com>
1157 * configure.in (HAVE_AS_LEB128): New assembler check.
1158 * configure, config.in: Rebuilt.
1160 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1162 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1165 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1167 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1168 references to the MAXPATHLEN macro.
1170 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1171 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1174 * config/i386/xm-gnu.h, config/xm-gnu.h,
1175 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1176 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1177 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1178 and/or unused files.
1180 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1181 doing so in various xm-*.h files.
1183 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1185 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1187 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1189 * configure.in (enable_shared): Support per-package shared-library
1191 * configure: Rebuilt.
1193 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1195 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1196 for crnot. Set operands[5] in splitter.
1198 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1200 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1201 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1202 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1203 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1204 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1205 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1206 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1209 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1210 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1211 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1212 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1213 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1214 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1215 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1216 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1217 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1218 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1219 Delete unused and/or empty files.
1221 * config.gcc: Define USG in xm_defines as appropriate. Define
1222 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1223 macro. Remove deleted xm-* files from $xm_files variable.
1225 2001-03-07 Tom Tromey <tromey@redhat.com>
1227 * configure: Rebuilt.
1228 * configure.in: Allow config-lang.in to set `lang_requires' to list
1229 of other required languages.
1231 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1233 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1235 (output_prologue): Use xmalloc not oballoc.
1236 (output_epilog): Free a29k_first_epilogue_insn when finished.
1237 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1239 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1241 * builtins.c (expand_builtin_mathfn): Check
1242 flag_unsafe_math_optimizations, not flag_fast_math.
1243 (expand_builtin): Likewise
1244 * combine.c (combine_simplify_rtx): Likewise.
1245 (simplify_if_then_else): Likewise.
1246 * cse.c (fold_rtx): Likewise.
1247 * flags.h: Remove flag_fast_math. Add
1248 flag_unsafe_math_optimizations and flag_trapping_math.
1249 * fold-const.c (negate_expr): Check
1250 flag_unsafe_math_optimizations, not flag_fast_math.
1251 (invert_truthvalue): Likewise.
1252 (fold): Likewise. Before associating operands, check that
1253 code == MULT_EXPR, not code != MULT_EXPR.
1254 * ifcvt.c (noce_try_minmax): Check
1255 flag_unsafe_math_optimizations, not flag_fast_math.
1256 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1257 * invoke.texi: Document -funsafe-math-optimizations and
1258 -fno-trapping-math. Change documentation for -ffast-math.
1259 * jump.c (reversed_comparison_code_parts): Likewise.
1260 (rtx_equal_for_thread_p): Likewise.
1261 * optabs.c (emit_conditional_move): Likewise.
1262 * simplify-rtx.c (simplify_binary_operation): Likewise.
1263 (simplify_relational_operation): Likewise.
1264 (simplify_ternary_operation): Likewise.
1265 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1266 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1267 Add trapping-math and unsafe-math-optimizations entries to f_options.
1268 (set_fast_math_flags): New, sets flags for -ffast-math.
1269 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1270 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1271 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1273 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1274 (alpha_emit_conditional_move): Initialize local_fast_math to
1275 flag_unsafe_math_optimizations, not flat_fast_math.
1276 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1277 instead of setting flag_fast_math to 1.
1278 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1280 * config/i386/i386.c (override_options): Likewise
1281 * config/i386/i386.md: Likewise.
1282 * config/m68k/m68k.md: Likewise.
1283 * config/mips/mips.md: Likewise.
1284 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1285 (rs6000_generate_compare): Likewise.
1287 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1289 * Makefile.in: Set RANLIB to @RANLIB@.
1292 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1294 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1295 * fixinc/fixincl.x: Regenerated.
1297 2001-03-07 Richard Henderson <rth@redhat.com>
1299 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1301 2001-03-07 Richard Henderson <rth@redhat.com>
1303 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1304 of block notes and exception handling notes.
1306 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1307 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1308 (compile_file): ... here.
1310 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1312 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1314 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1315 config.h now. Include libiberty.h to handle alloca.
1317 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1319 * c-parse.in (yylexname): New function, split out of _yylex.
1320 (objc_rid_sans_at): New table.
1321 (init_reswords): Initialize it.
1322 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1323 retrieving the next token and checking it for significance as
1324 an ObjC keyword or string constant.
1326 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1327 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1329 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1332 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1334 * config/m68k/m68k.c (const_uint32_operand): Accept any
1335 const_int on a 32-bit host.
1337 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1339 * objc/objc-act.c (init_objc): Set save_lang_status,
1340 restore_lang_status, and mark_lang_status.
1342 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1344 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1346 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1348 * cppinternals.texi: Update.
1350 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1352 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1353 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1354 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1355 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1356 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1357 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1358 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1359 config/i386/xm-i386.h, config/i860/xm-i860.h,
1360 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1361 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1362 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1363 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1364 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1365 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1366 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1367 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1368 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1369 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1370 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1371 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1372 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1373 match the defaults provided in hwint.h.
1375 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1376 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1378 * config.gcc (xm_file): Don't set to files which are deleted.
1380 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1381 guard this file against these macros being undefined.
1383 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1385 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1386 and DECL_DEFER_OUTPUT on the decl we create, before calling
1387 rest_of_decl_compilation.
1389 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1391 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1393 * configure, config.in: Regenerate.
1394 * config.gcc: Remove references to deleted files.
1396 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1397 genrecog.c, rtl.c: Do not use alloca anywhere.
1399 * Makefile.in, build-make, system.h, config/x-interix,
1400 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1401 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1402 config/arc/xm-arc.h, config/arm/xm-arm.h,
1403 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1404 config/h8300/xm-h8300.h, config/i370/x-oe,
1405 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1406 config/i386/x-ncr3000, config/i386/x-sco5,
1407 config/i386/xm-dgux.h, config/i860/x-sysv4,
1408 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1409 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1410 config/m68k/x-hp320g, config/m69k/x-mot3300,
1411 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1412 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1413 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1414 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1415 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1416 config/mips/x-iris, config/mips/x-iris3,
1417 config/mips/x-sni-svr4, config/mips/x-sysv,
1418 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1419 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1420 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1421 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1422 config/pa/xm-papro.h, config/romp/xm-romp.h,
1423 config/rs6000/x-aix31, config/rs6000/x-aix41,
1424 config/rs6000/x-beos, config/rs6000/x-lynx,
1425 config/rs6000/x-mach, config/rs6000/x-rs6000,
1426 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1427 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1428 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1429 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1430 config/vax/xm-vms.h: Eradicate all references to alloca and
1433 * config/xm-alloca.h, config/clipper/x-clix,
1434 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1435 config/i860/x-sysv3, config/m88k/x-sysv3,
1436 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1437 (contained only alloca related hacks).
1439 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1442 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1444 * invoke.texi: Document __FAST_MATH__.
1446 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1448 * crtstuff.c: Restore include of auto-host.h.
1450 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1452 Put main() in a separate file, so that the language
1453 front-end can use a different main().
1456 * toplev.c: (main): Rename as toplev_main.
1457 * toplev.h: Declare toplev_main.
1458 * Makefile.in (OBJS): add toplev.o.
1459 (BACKEND): remove toplev.o, add main.o.
1461 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1463 * cppfiles.c (search_from): Special case the empty string.
1465 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1467 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1468 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1469 strlen or strcpy; we already know the length.
1470 (_cpp_compare_file_date): Similarly.
1471 * cpphash.h (struct cpp_reader): Delete done_initialising.
1472 (CPP_PREV_BUFFER): Delete.
1473 * cppinit.c (cpp_start_read): Don't set done_initialising.
1474 * cpplex.c (parse_string): Guarantee null-termination.
1475 (_cpp_equiv_toklists): Remove.
1476 * cpplib.c (glue_header_name): Null-terminate.
1477 (do_line): Don't leak memory.
1478 * cpplib.h (BT_WEAK): Delete.
1479 * cppmain.c (cb_ident): Strings are now null-terminated.
1481 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1483 * gcc.c (convert_filename): Append executable suffix
1484 if NO_AUTO_EXE_SUFFIX is not defined.
1485 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1486 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1488 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1490 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1491 * c-parse.gperf, c-gperf.h: Delete.
1492 (c-gperf.h was accidently re-added to the CVS repo in the rev
1493 1.16 commit by tromey)
1495 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1497 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1498 macro arguments when looking for the '('.
1499 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1500 2 when really parsing arguments; 1 when looking for '('.
1501 Always restore the lexer position.
1503 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1505 * longlong.h (umul_ppmm): Don't use a multiline string.
1507 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1509 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1510 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1511 t_bool in declaration because pcc can't combine volatile with typedef
1514 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1516 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1517 until when it is really needed.
1518 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1519 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1520 * i386.md (float?i?f splitter): Don't force source operand to memory
1522 (sse_movdfcc): Fix constraint.
1523 (sse_movdfcc splitter): Handle properly the second alternative.
1525 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1527 * cpplex.c (parse_string): Unconditionally pedwarn.
1529 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1532 * cppexp.c (parse_number): Update.
1533 * cpplex.c (parse_string): Pedwarn if multiline string does not
1534 result from a system header's macro.
1535 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1536 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1537 for function-like macros too.
1538 * c-lex.c (lex_number): Update.
1540 2001-03-03 Richard Henderson <rth@redhat.com>
1542 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1544 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1546 * combine.c (try_combine): If split with mode-changed scratch
1547 register didn't work, try the original mode.
1549 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1551 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1552 * config/c4x/c4x.h: Likewise.
1553 * stor-layout.c (compute_record_mode): Likewise.
1554 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1556 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1558 * configure.in: Kill tm.h. Include the files in the $tm_file
1559 list in all three of config.h, hconfig.h, tconfig.h, after the
1560 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1561 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1562 * configure: Regenerate.
1563 * Makefile.in (clean): Don't delete tm.h.
1565 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1566 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1567 those are not defined, set SEC and FEC to 0 and 1.
1568 * gcc.texi: Update to match.
1570 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1571 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1572 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1573 Include tconfig.h, not tm.h.
1575 * config/xm-lynx.h, config/xm-std32.h,
1576 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1577 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1578 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1579 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1580 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1581 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1582 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1583 config/i386/xm-i386.h, config/i860/xm-i860.h,
1584 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1585 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1586 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1587 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1588 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1589 config/pa/xm-linux.h, config/pa/xm-pa.h,
1590 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1591 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1592 config/pj/xm-pj.h, config/romp/xm-romp.h,
1593 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1594 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1595 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1596 config/v850/xm-v850.h, config/vax/xm-vax.h,
1597 config/we32k/xm-we32k.h:
1599 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1601 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1602 config/i370/xm-oe.h: Don't include tm.h. Don't define
1604 * config/vax/xm-vms.h: Don't include tm.h.
1606 * config/xm-lynx.h, config/avr/xm-avr.h,
1607 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1608 Delete; made empty by above changes.
1609 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1610 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1611 Don't include config/xm-lynx.h or tm.h.
1613 * config/xm-gnu.h: Don't include fcntl.h.
1614 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1616 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1618 2001-03-02 Richard Henderson <rth@redhat.com>
1620 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1621 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1623 2001-03-02 Richard Henderson <rth@redhat.com>
1625 * Makefile.in (OBJS): Add dwarf2asm.o.
1626 * dwarf2asm.c, dwarf2asm.h: New files.
1627 * dwarf2out.c (*): Use them.
1628 (size_of_uleb128, size_of_sleb128): Remove.
1629 (output_uleb128, output_sleb128): Remove.
1630 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1631 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1632 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1633 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1634 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1635 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1636 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1637 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1638 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1639 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1640 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1641 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1642 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1643 (dwarf2out_frame_debug): Remove unused variables.
1644 (output_loc_operands): Don't abort on 8 byte constants if
1645 host integers are wide enough.
1646 (output_symbolic_ref): Remove.
1647 (size_of_die): Don't assume 4 byte host integers.
1648 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1650 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1651 something stupid with HOST_WIDE_INT to long truncation.
1652 [CONST_DOUBLE]: Likewise.
1654 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1655 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1656 * config/arm/unknown-elf.h: Likewise.
1657 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1658 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1659 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1660 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1661 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1662 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1663 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1664 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1665 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1666 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1667 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1668 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1670 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1672 * cselib.c (hash_rtx): Cast enums to unsigned int.
1674 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1676 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1677 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1679 * c-format.c (C_STD_VER): Cast to int for comparisons.
1680 (check_function_format): Cast various enums to int for &.
1681 (maybe_read_dollar_number): Likewise.
1682 (check_format_info): Likewise.
1683 (check_format_info_main): Likewise.
1684 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1685 (safe_from_p): Likewise.
1686 * varasm.c (const_hash): Cast enum to int for %.
1687 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1688 pcc enum problems with < and ++ operators.
1689 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1690 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1691 (regclass_init): Change enum class to int to iterate over reg_classes.
1692 * genrecog.c (merge_trees): Cast enums for comparison.
1693 * rtl.h (GET_CODE): Cast to enum rtx_code.
1694 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1695 (GET_MODE): Cast to enum machine_mode.
1696 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1697 (GET_NOTE_INSN_NAME): Cast enum to int.
1698 * tree.h (TREE_CODE): Cast to enum tree_code.
1699 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1700 * timevar.c (timevar_print): Change loop variable id from enum to
1702 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1703 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1704 * toplev.c (compile_file): Cast enum DFI to int.
1705 (decode_d_option): Likewise.
1707 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1709 * cppinit.c (append_include_chain): Mark "after" include file name list
1710 as a system directory.
1711 * cpp.texi: Document new behavior.
1713 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1715 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1717 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1719 * cppfiles.c (struct include_file): Update.
1720 (stack_include_file): Use search_from.
1721 (cpp_included, find_include_file): Update.
1722 (cpp_execute_include): Update. ptr->name may not be
1723 null terminated. Use the new search_from member variable
1725 (_cpp_compare_file_date): Similarly.
1726 (search_from): New function, similiar to actual_directory.
1727 (actual_directory): Delete.
1728 (remap_filename): Update. loc->name may not be null terminated.
1729 (struct file_name_list): Rename search_path. Update.
1730 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1731 search_from and dir.
1732 (struct cpp_reader): Remove actual_dirs.
1733 * cppinit.c (struct cpp_pending): Update for renamed objects.
1734 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1735 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1736 * cpplib.h (struct cpp_options): Similarly.
1738 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1740 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1741 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1742 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1743 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1744 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1745 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1746 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1747 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1748 config/i370/xm-oe.h, config/i386/xm-aix.h,
1749 config/i386/xm-i386.h, config/i386/xm-osf.h,
1750 config/i860/xm-i860.h, config/i960/xm-i960.h,
1751 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1752 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1753 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1754 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1755 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1756 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1757 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1758 config/pj/xm-pj.h, config/romp/xm-romp.h,
1759 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1760 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1761 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1762 config/v850/xm-v850.h, config/vax/xm-vax.h,
1763 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1764 Do not define TRUE or FALSE.
1766 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1767 empty by above change.
1768 * config.gcc: Remove references to these files.
1770 * configure.in: Detect stdbool.h.
1771 * configure, config.in: Regenerate.
1772 * system.h: Include stddef.h here if available.
1773 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1774 Then set up a sensible boolean type at the very end.
1776 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1777 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1779 * hash.h: Delete 'boolean' typedef and related #undefs.
1781 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1782 all uses of 'boolean' with 'bool'.
1784 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1786 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1787 * cppexp.c (lex): Cast enums for comparison.
1788 * cppinit.c (parse_option): Cast enum for comparison.
1789 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1790 (cpp_output_token): Likewise.
1791 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1792 (cpp_avoid_paste): Cast enums for minus and comparison.
1794 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1796 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1797 field to all array elements.
1799 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1801 * cpphash.h (struct cpp_reader): Add print_version field.
1802 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1803 just set print_version and other flags as appropriate.
1804 (cpp_post_options): Print version here if print_version is set.
1806 * toplev.c (exit_after_options): New flag.
1807 (independent_decode_option): Don't exit here; just set
1809 (main): Exit after calling lang_hooks.post_options if
1810 exit_after_options is true.
1812 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1813 (merge_include_chains): Adjust comment to match code.
1815 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1817 * stringpool.c (set_identifier): New function.
1818 * tree.h: Prototype it.
1820 * c-parse.in: Kill D_YES. If compiled for objc, call
1821 save_and_forget_protocol_qualifiers from init_reswords.
1822 * objc/objc-act.c (remember_protocol_qualifiers,
1823 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1824 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1826 (save_and_forget_protocol_qualifiers): New function.
1827 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1829 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1831 * c-semantics.c (prune_unused_decls): Return error_mark_node
1832 instead of (tree) 1 to stop traversing the tree chain.
1834 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1836 Fix a problem introduced by Kenner's Feb 18 change.
1837 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1838 flag_cse_skip_blocks only temporarily, not for ever.
1840 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1842 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1843 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1845 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1846 before determining its register class.
1848 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1850 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1851 from reg 4 if current_function_calls_setjmp.
1852 (gen_nop_type): New function.
1853 (ia64_emit_nops): New function.
1854 (ia64_reorg): Call it.
1855 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1857 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1858 code not to try to optimize adds with anything but a REG destination.
1860 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1861 (INSN_PRIORITY_KNOWN): New accessor macro.
1862 * haifa-sched.c (priority): Use it instead of testing priority against
1865 2001-02-28 DJ Delorie <dj@redhat.com>
1867 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1868 since that doesn't work the way gcc wants on a generic m68k.
1870 2001-02-28 Richard Henderson <rth@redhat.com>
1872 * caller-save.c (save_call_clobbered_regs): Fix typo in
1873 comparison last change.
1875 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1877 * i386.c (pentium4_cost): New.
1878 (m_PENT4): New macro.
1879 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1880 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1881 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1882 x86_memory_mismatch_stall): Add Pentium4
1883 (x86_use_q_reg, x86_use_any_reg): Kill.
1884 (override_options): Add pentium4.
1885 (incdec_operand): Return 0 for pentium4.
1886 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1887 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1888 (TARGET_PENTIUM4): Define.
1889 (enum processor_type): Add PROCESSOR_PENTIUM4.
1890 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1891 * i386.md (attribute "cpu"): Add pentium4.
1892 * invoke.texi (march): Add pentium4.
1894 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1896 * i386.md (sse_mov?fcc*): New patterns and splitters.
1897 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1898 the SSE based conditional moves.
1900 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1902 * i386.md (attribute mode): Add "TI".
1903 (movsf_1): Add pxor support; remove constant propagation splitter.
1904 (movdf_integer): Likewise.
1905 (movdf_nointeger): Likewise.
1906 (movxf constant prop splitter): Handle all modes; update for SSE.
1907 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1908 * i386.c (standard_80387_constant_p): Rewrite.
1909 (standard_sse_constant_p): New.
1910 * i386-protos.h (standard_sse_constant_p): New.
1912 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1914 * i386.md (sse_setccsf, sse_setccdf): New.
1915 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1917 * i386.c (sse_comparison_operator): Accept the supported unordered
1918 comparses; be ready for fast_math.
1919 (print_operand): Support 'D'.
1921 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1923 * jump.c (reversed_comparison_code): Kill.
1925 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1927 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1930 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1932 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1933 add missing '%' in constraints.
1935 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1937 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1938 for HOST_BITS_PER_WIDE_INT == 32 too.
1940 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1942 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1944 (insert_save, insert_restore): New parameter save_mode.
1945 (init_caller_save): Update initialization of reg_save_code
1946 and reg_restore_code.
1947 (save_call_clobbered_regs): Compute save_modes and update calls to
1948 reg_save_code and reg_restore_code.
1949 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1950 of spill; update use of reg_restore_code.
1951 (insert_save): Likewise.
1952 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1953 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1954 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1956 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1958 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1959 noce_try_store_flag_inc, noce_try_store_flag_mask,
1960 noce_try_cmove_arith):
1961 Use reversed_comparison_code instead of reverse_comparison and
1962 can_reverse_comparison_p.
1964 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1966 * jump.c (reversed_comparison_code_parts): Allow reversal of
1967 unordered compares in -ffast-math mode; reverse ordered compares
1968 for FP even w/o -ffast-math.
1970 2001-02-27 Richard Henderson <rth@redhat.com>
1972 * print-rtl.c (print_rtx) [i]: Don't print field five on
1973 NOTEs other than NOTE_INSN_DELETED_LABEL.
1975 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1977 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1978 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1980 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1982 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
1983 even if walk_subtrees is 0.
1984 * c-semantics.c (prune_unused_decls): Return a non-null value to
1985 stop traversing the tree chain.
1987 2001-02-27 DJ Delorie <dj@redhat.com>
1989 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
1990 register, *then* define it as the new CFA.
1992 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
1994 * pa.c (override_options): Promote -fpic to -fPIC.
1995 (legitimize_pic_address): Simplify due to removal of
1996 small PIC as a code generation option.
1997 (secondary_reload_class): Similarly.
1998 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
1999 (PRINT_OPERAND_ADDRESS): Similarly.
2000 * pa.md (various patterns): Similarly.
2001 (small pic lo_sum pattern): Remove.
2003 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2006 * md.texi (min, max): Document
2008 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2010 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2011 TARGET_PARTIAL_REG_DEPENDENCY.
2012 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2014 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2016 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2018 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2020 * mips.c (mips_make_temp_file): Fix thinko in last change.
2022 2001-02-26 Jason Eckhardt <jle@redhat.com>
2024 * combine.c (known_cond): Do not reverse the condition when
2025 SMAX/UMAX is being considered and the condition is for equality
2028 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2030 2001-02-26 Philip Blundell <philb@gnu.org>
2032 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2034 * config/arm/linux-elf.h: Remove historical relics related to
2035 above configurations.
2036 * config/arm/linux-oldld.h: Delete.
2037 * config/arm/linux-elf26.h: Delete.
2039 2001-02-26 Jason Merrill <jason@redhat.com>
2041 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2043 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2044 recognize a tentative definition. Lose obsolete code.
2046 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2047 variables unless necessary, either.
2049 2001-02-25 Richard Henderson <rth@redhat.com>
2051 * ifcvt.c (struct noce_if_info): Add test_bb.
2052 (noce_get_alt_condition): New.
2053 (noce_try_minmax, noce_try_abs): New.
2054 (noce_operand_ok): New.
2055 (noce_process_if_block): Use them.
2056 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2058 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2060 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2063 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2065 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2066 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2068 (mips_asm_file_end): Free temp_filename here.
2070 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2072 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2073 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2075 * config/i386/i386.md (movstrsi): Handle FAIL case.
2077 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2079 * cppinit.c (builtin_array): Update.
2080 (init_builtins): Flag builtins to warn if redefined or
2081 undefined. Define __GXX_WEAK as a normal macro.
2082 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2083 * cpplib.h (NODE_WARN): New flag.
2084 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2085 Handle __STDC__ as a builtin only on Solaris.
2086 (warn_of_redefinition): Renamed from check_macro_definition.
2087 Reverse sense of test. Always warn if NODE_WARN.
2088 (_cpp_create_definition): Use warn_of_redefinition. Flag
2089 any macro beginning with "__STDC_" to require a mandatory
2090 warning if redefined or undefined.
2092 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2094 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2095 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2096 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2097 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2098 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2099 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2100 Don't define any of:
2101 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2102 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2103 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2104 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2105 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2107 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2108 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2111 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2112 Delete now-empty file.
2114 * alpha/vms.h: Define NEED_ATEXIT here...
2115 * alpha/xm-vms.h: ...not here.
2117 * i386/cygwin.h: Don't define PARAMS.
2118 * mips/mips.c: Don't prototype mktemp. Don't define
2119 P_tmpdir. Use make_temp_file to create temporary files.
2120 Don't be clever and delete temporary files early.
2121 * config.gcc: Drop references to deleted files. Don't define
2123 * gcc.texi: Don't mention USE_PROTOTYPES.
2125 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2127 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2128 (ix86_set_move_mem_attrs_1): Likewise.
2129 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2130 * config/i386/i386.md (movstrsi): Call it.
2132 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2134 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2135 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2136 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2137 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2139 (i750a-*-*): Error here if hosting on i750a.
2140 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2142 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2143 Remove (empty modulo comments).
2145 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2146 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2147 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2148 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2149 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2150 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2152 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2153 Remove reference to winnt.h in comment.
2154 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2156 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2158 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2159 used to set another biv.
2161 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2163 * tree.h (BLOCK_DEAD): New macro.
2164 (struct tree_block): New flag, dead_flag.
2165 * print-tree.c (print_node, case 'b'): Print missing fields.
2166 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2167 * function.c (identify_blocks): Enable test for misplaced notes.
2168 (all_blocks): Skip BLOCK_DEAD blocks.
2169 * integrate.c (integrate_decl_tree): Likewise.
2171 * errors.c (internal_error, trim_filename): New functions.
2172 (fancy_abort): Call internal_error.
2173 * errors.h (internal_error, trim_filename): New declarations.
2175 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2177 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2179 (EXTRA_CONSTRAINT): Formatting changes.
2181 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2183 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2185 2001-02-23 Per Bothner <per@bothner.com>
2187 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2188 so they can be called from java/jvspec.c.
2189 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2191 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2193 * i386.c (ix86_frame): New structure.
2194 (ix86_compute_frame_size): Kill.
2195 (ix86_compute_frame_layout): New.
2196 (ix86_save_reg): New.
2197 (ix86_can_use_return_insn_p): Use frame layout stuff.
2198 (ix86_expand_prologue): Likewise.
2199 (ix86_expand_epilogue): Likewise.
2200 (ix86_initial_elimination_offset): Likewise.
2201 (ix86_nsaved_regs): Use ix86_save_reg.
2202 (ix86_emit_save_regs): Likewise.
2204 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2206 * flow.c (find_sub_basic_blocks): New function.
2207 (split_block): Be ready for basic block introduced by CODE_LABEL.
2208 (commit_one_edge_insertion): Call find_sub_basic_block.
2210 * flow.c (make_edges): Add edge from entry for blocks starting with
2211 label having ALTERNATE_NAME
2213 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2215 * function.c (epilogue_done): Be ready for first basic block not
2216 containing PROLOGUE_END note.
2217 (reposition_prologue_and_epilogue_notes): Avoid placing
2218 PROLOGUE_END note between BASIC_BLOCK.
2220 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2222 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2224 2001-02-21 DJ Delorie <dj@redhat.com>
2226 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2227 check for current_function_has_nonlocal_goto from 1999-11-12.
2229 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2231 * diagnostic.c (trim_filename): No longer static.
2232 * toplev.h (trim_filename): Declare.
2233 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2234 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2235 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2236 (rtvec_check_failed_bounds): Likewise.
2237 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2239 * convert.c (convert_to_integer): Don't do unsigned unless result or
2240 both inputs are unsigned.
2242 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2245 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2247 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2249 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2251 * Makefile.in (resource.o): Add params.h dependence.
2252 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2253 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2254 * resource.c: Add dependence on params.h.
2255 (current_live_regs): Fix explanatory comment.
2256 (find_basic_block): Add new parameter to permit limiting search
2258 (mark_target_live_regs): Add new argument to find_basic_block call.
2259 (incr_ticks_for_insn): Likewise.
2261 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2263 * diagnostic.c (output_to_stream): Rename to
2264 output_buffer_to_stream. Loses the stream parameter.
2265 (init_output_buffer): Set diagnosic_buffer's stream.
2266 (flush_diagnostic_buffer): Adjust.
2267 (default_print_error_function): Likewise.
2268 (finish_diagnostic): Likewise.
2269 (verbatim): Likewise.
2271 * diagnostic.h (struct output_buffer): Add `stream' field.
2272 (output_buffer_attached_stream): New macro.
2274 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2276 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2277 check if either operand is divisible by C.
2278 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2279 If type is signed, consider negative numbers as well.
2281 2001-02-22 Richard Henderson <rth@redhat.com>
2283 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2284 reach .text instead of gp-relative relocs.
2285 * config/ia64/crtend.asm (.init): Likewise.
2287 2001-02-22 Andreas Jaeger <aj@suse.de>
2289 * extend.texi (C++ Attributes): Fix typo.
2291 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2293 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2294 functions, drop current_function_args_info.words test.
2295 (ia64_compute_frame_size): Mark syscall_linkage functions as
2296 using eight input registers.
2298 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2299 Bruce Korb <bkorb@gnu.org>
2301 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2302 * fixinc/README: Document how to convert sed substitutions
2303 to format style c_fix-es.
2304 * fixinc/fixincl.x: regen
2306 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2308 * gcc.c: Add comment explaining how to add a command-line option.
2309 Add title to specs language comment.
2311 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2313 * gcc.c (cc1_options): Add "-param".
2314 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2315 (option_map): Likewise.
2316 * toplev.c (display_help): Add entry for "--param".
2317 (independent_decode_option): Fix typographical error.
2319 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2320 Bernd Schmidt <bernds@redhat.com>
2321 Jan Hubicka <jh@suse.cz>
2323 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2324 (function_arg): Likewise.
2326 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2328 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2330 2001-02-21 Kazu Hirata <kazu@hxi.com>
2332 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2336 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2338 * flow.c (init_propagate_block_info): Canon address and use single_set
2339 for killing dead memory stores.
2341 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2343 * Makefile.in (reorg.o): Add params.h dependence.
2344 * params.def: Fix typographical error in comment.
2345 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2346 * params.h: Modify introductory comment.
2347 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2348 * reorg.c: Add dependence on params.h.
2349 (redundant_insn): Add parameterized throttle for search.
2350 (fill_simple_delay_slots): Add a comment explaining a variable.
2351 Move conditional out of loop, simplifying code.
2352 (fill_eager_delay_slots): Fix typographical error in comment.
2354 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2356 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2358 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2359 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2361 2001-02-21 Jason Merrill <jason@redhat.com>
2363 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2364 (struct tree_decl): Add uninlinable bitfield.
2365 * c-decl.c (duplicate_decls): Set it.
2366 * integrate.c (function_cannot_inline_p): Check it.
2368 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2369 DW_AT_MIPS_linkage_name to abstract methods.
2370 (dwarf2out_abstract_function): Emit class context before calling
2371 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2372 (gen_subprogram_die): Remove obsolete code.
2373 (gen_member_die): Don't include clones in the member list.
2374 (gen_decl_die): Emit abstract info for clone origin.
2375 * dwarfout.c (output_type): Don't include clones in the member list.
2376 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2377 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2378 DECL_ABSTRACT on a function that already has it set.
2380 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2381 (get_subprogram_die): Pass it in.
2383 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2385 * flow.c (mark_set_1): Make not_dead unsigned long. For
2386 non-pseudos, use it as a bitmask of the hard regs that
2389 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2391 * cppfiles.c: Update comments.
2392 (_cpp_read_file): Don't check for NULL filenames any more.
2393 * cppinit.c (cpp_start_read): Don't do canonicalization of
2394 in_fname and out_fname. Use the passed file name exclusively.
2395 (_cpp_handle_options): Don't treat "-" as a command line option,
2396 but as a normal filename.
2397 (_cpp_post_options): Canonicalize in_fname and out_fname.
2398 * cppmain.c (printer_init): Don't check out_fname for NULL.
2399 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2400 (init_c_lex): Update, and use "" to represent stdin to CPP.
2403 2001-02-20 Will Cohen <wcohen@redhat.com>
2405 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2406 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2407 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2410 2001-02-20 Stan Shebs <shebs@apple.com>
2412 * config/rs6000/rs6000.c (output_cbranch): Output branches
2413 on separate lines instead of using ';' to separate.
2415 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2417 * cppinit.c (set_lang): Move builtin handling to...
2418 (init_builtins): ...here.
2419 (_cpp_create_reader): Move call to set_lang.
2421 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2423 * stmt.c (expand_return): If an attempt is made to return the
2424 error_mar_node, treat the return like a return without a value.
2426 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2428 * sibcall.c (skip_copy_to_return_value): Call
2429 identify_call_return_value here, and return orig_insn if it
2430 returns zero. Hardret and softret arguments now unnecessary.
2431 (call_ends_block_p): Don't call identify_call_return_value here.
2433 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2435 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2436 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2438 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2440 * pa.c (move_operand): Accept code to load the address of a
2441 symbol out of the DLT as a valid move operand.
2442 (print_operand, case 'A'): New to handle generating a DLT
2443 reference for a LO_SUM expression.
2444 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2445 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2447 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2449 * README, cpp.texi, gcc.texi, version.c: Update version number to
2451 * cpp.1, gcov.1, gcc.1: Regenerate.
2453 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2455 * cppfiles.c (stack_include_file): Generate dependencies
2456 here, and manage include_count here too.
2457 (PRINT_THIS_DEP): Delete.
2458 (_cpp_execute_include): Do not generate dependencies here,
2459 apart from the case of a missing header. Do not manage
2461 (_cpp_read_file): Leave dependency generation to
2464 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2466 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2467 target_cpu_default. Remove dead assignment to
2470 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2472 * regclass.c (contains_reg_of_mode): Make global.
2473 (init_reg_sets): Remove contains_reg_of_mode; take into account
2474 CLASS_MAX_NREGS when looking for the proper mode.
2475 (dump_regclass): Dump only classes considered for the pseudo.
2476 (regclass): Use contains_reg_of_mode.
2478 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2480 * gcc.c (do_spec_1): 'n' for printing notices.
2481 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2483 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2485 * reg-stack.c (next_flags_user): Use current_block->end
2486 (swap_rtx_condition): Look for next user if flags don't die;
2487 give up on CALL_INSNs; use current_block->end.
2489 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2491 * sibcall.c (call_ends_block_p): New function.
2492 (optimize_sibling_and_tail_recursive_call): Use it.
2494 2001-02-18 Kazu Hirata <kazu@hxi.com>
2496 * config/h8300/h8300.md: Update copyright.
2497 (andsi3): Do not output an extra newline character.
2499 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2501 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2502 FNDECL may be unused.
2504 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2505 follow jumps after first run.
2506 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2507 it doesn't change any jumps.
2509 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2511 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2512 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2513 (mostlyclean): Corresponding changes.
2514 * rtlanal.c (hard-reg-set.h): Include.
2515 (rtx_unstable_p): Do not treat the argument pointer specially
2516 if it is not a fixed register.
2517 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2519 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2521 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2522 against last real insn in basic block.
2523 Rework to avoid gotos.
2525 * Makefile.in (gcse.o): Now includes ggc.h.
2526 * gcse.c: Include ggc.h.
2527 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2528 (try_replace_reg): Remove warning of uninitialize variable.
2529 (process_insert_insn): Call invalid_insn_p to validate insn.
2530 * recog.c (insn_invalid_p): Now global.
2531 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2532 * recog.h (insn_invalid_p): New declaration.
2534 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2536 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2537 assignments from FP constants since 'Y' output code can't handle it.
2538 (eligible_for_sibcall_delay): Likewise.
2540 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2541 Call fancy_abort directly, passing args.
2542 (print_rtl_and_abort): Now a macro, like fancy_abort.
2544 * final.c (output_operand_lossage): Use internal_error, not error.
2546 2001-02-18 Shane Nay <shane@agendacomputing.com>
2548 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2549 structure shift insns.
2551 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2553 * invoke.texi (-fsquangle): Remove documentation.
2554 (-fname-mangling-version): Likewise.
2556 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2558 * optabs.c (expand_abs): Remove reference to
2559 HAVE_contitional_arithmetic.
2560 * combine.c (simplify_set): Likewise.
2562 2001-02-18 Richard Henderson <rth@redhat.com>
2564 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2567 2001-02-18 Richard Henderson <rth@redhat.com>
2569 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2571 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2573 * reload1.c (reload_cse_simplify_set): Fix typo.
2575 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2577 * diagnostic.c (_fatal_insn): Decrement errorcount.
2579 * invoke.texi (-I): Add note avoiding use for system header files.
2581 * rtl.h (add_clobbers): Remove duplicate declaration.
2582 * recog.h (added_clobbers_hard_reg_p): New declaration.
2583 * genemit.c (struct clobber_pat): New field has_hard_reg.
2584 (gen_insn): Record if added clobbers clobber hard reg.
2585 (gen_split): Avoid unused warning if number of operands is 0.
2586 (output_added_clobbers_hard_reg_p): New function.
2589 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2591 * pa.c (hppa_expand_prologue): Simplify code storing return
2592 pointer. For large (>=8k) frames with a post_store, adjust stack
2593 pointer by 8k-64 first rather than by 64. When testing with
2594 VAL_14_BITS_P, always use the actual value rather than the value
2595 negated. Add blockage to prevent scheduling of spills before
2596 stack frame has been created.
2597 (hppa_expand_epilogue): Simplify code loading return pointer.
2598 Allow a slightly larger range for merge_sp_adjust_with_load case.
2599 When testing with VAL_14_BITS_P, always use the actual value.
2601 * pa.c (pa_adjust_insn_length): Check that block move
2602 pattern is a set before looking at operands.
2604 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2606 * fold-const.c (fold_binary_op_with_conditional_arg): New
2607 function, split out from ...
2609 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2610 conditional arms that throw exceptions.
2612 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2615 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2617 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2618 define HAVE_DECL_* to 1 to mask potential backup declarations.
2619 * configure: Regenerated.
2621 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2623 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2625 2001-02-17 Richard Henderson <rth@redhat.com>
2627 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2628 when replacing a memory load with a register.
2630 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2631 Jan Hubicka <jh@suse.cz>
2633 * recog.c (validate_replace_src_1): New.
2634 (validate_replace_src_data): Likewise.
2635 (validate_replace_src): Use note_uses.
2636 * rtl.h (note_uses): Declare.
2637 * rtlanal.c (note_uses): New.
2639 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2641 * reg-stack.c (stack_def): Make field reg unsigned.
2642 (remove_regno_note): Unsignetize parameter.
2644 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2646 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2647 shladd_operand() call.
2649 2001-02-16 Bruce Korb <bkorb@gnu.org>
2650 Rodney Brown <RodneyBrown@mynd.com>
2652 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2653 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2654 machine restrictions
2655 * fixinc/fixincl.x: regen
2657 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2659 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2661 (hash_scan_insn): Clean up calls to hash_scan_set.
2662 (compute_kill_rd): REGNO now unsigned.
2663 (try_replace_reg): Rework to use simplify_replace_rtx.
2664 (cprop_jump, cprop_cc0_jump): Likewise.
2665 (cprop_insn): Call find_reg_equal_equiv_note.
2666 Reflect changes to cprop_jump and cprop_cc0_jump.
2668 * recog.c (validate_replace_src): Replace in operands of
2669 ZERO_EXTRACT in SET_DEST.
2671 * cse.c (new_label_ref): New variable.
2672 (insert): Set it instead of recorded_label_ref.
2673 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2674 CODE_LABEL for this function, and not already in REG_LABEL note.
2676 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2678 * resource.c (mark_referenced_resources): Fix typo in introductory
2680 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2683 2001-02-16 Jason Merrill <jason@redhat.com>
2685 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2687 (gen_subprogram_die): Don't abort on seeing a second definition if
2688 the previous one was abstract. Don't replace an abstract instance
2689 in the lookup table.
2691 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2692 gen_abstract_function.
2693 * dwarf2out.h: Declare it.
2694 * toplev.c (note_outlining_of_inline_function): New fn.
2695 * toplev.h: Declare it.
2696 * integrate.c (output_inline_function): Call it.
2697 * c-decl.c (duplicate_decls): Call it when redefining an extern
2698 inline. Don't inline the new defn.
2700 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2702 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2704 * .gdbinit: Rename to gdbinit.in.
2705 * gdbinit.in: New file,
2706 * configure.in: Generate .gdbinit from gdbinit.in.
2707 * configure: Regenerated.
2708 * Makefile.in (distclean): Always remove .gdbinit.
2710 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2712 * objc/objc-act.c (start_class): Register implemented_classes with
2715 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2717 * cppfiles.c (_cpp_make_system_header): Generate a file
2720 2001-02-15 Jim Meyering <meyering@lucent.com>
2722 * Makefile.in (install-common): Don't depend on installdirs here.
2723 Instead, make each of the lang.install-common targets (e.g.,
2724 c++.install-common in cp/Make-lang.in) depend on it.
2725 (install-driver): Depend on installdirs.
2727 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2729 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2731 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2734 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2736 * invoke.texi (--param): Document.
2738 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2740 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2742 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2744 * i386.md (extendsfdf2_2): Fix constraints.
2746 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2748 * i386.md (fop_df_3 splitter): Fix operand number.
2750 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2752 * invoke.texi (-mreg-alloc): Nuke.
2753 * i386.c (ix86_reg_alloc_order, regs_allocated,
2754 order_regs_for_local_alloc): Nuke.
2755 (override_options): Kill reg_alloc code.
2756 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2757 (REG_ALLOC_ORDER): SSE goes before I387.
2758 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2759 (ix86_reg_alloc_order): Likewise.
2760 * i386-protos.h (ix86_reg_alloc_order): Kill.
2762 2001-02-14 Richard Henderson <rth@redhat.com>
2764 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2766 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2768 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2770 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2772 * i386-protos.h (ix86_memory_move_cost): Move offline.
2773 * i386.c (ix86_register_move_cost): Compute properly cost of
2774 SSE, MMX and i387 instructions.
2775 (*_cost): Add costs of SSE/MMX moves.
2776 (ix86_memory_move_cost): Move offline from ....; Likewise.
2777 * i386.h (MEMORY_MOVE_COST): .... here;
2778 (struct processor costs): Add new fields to represent costs
2781 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2783 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2784 move_cost together with Matt Kraai's fix.
2786 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2788 * Makefile.in (OBJS): Add params.o.
2790 2001-02-14 Richard Henderson <rth@redhat.com>
2791 DJ Delorie <dj@redhat.com>
2793 * jump.c (jump_optimize_1): When we delete a conditional jump
2794 preceeding a non-conditional jump to effectively the same place,
2795 make sure that the combined jump skips any clobber insns between
2798 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2800 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2802 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2804 * Makefile.in (toplev.o): Depend on params.h.
2805 (intergate.o): Likewise.
2806 (params.o): New target.
2807 * flags.h (inline_max_insns): Remove.
2808 * integrate.c: Include params.h.
2809 Use MAX_INLINE_INSNS instead of inline_max_insns.
2810 * params.c: New file.
2811 * params.h: Likewise.
2812 * params.def: Likewise.
2813 * toplev.c: Include params.h.
2814 (lang_independent_params): New variable.
2815 (decode_f_option): Use the param machinery instead of setting
2817 (independent_decode_option): Handle "--param name=value".
2818 (main): Register language-independent parameters.
2820 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2822 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2824 2001-02-14 Richard Henderson <rth@redhat.com>
2826 * regclass.c (init_reg_sets_1): Revert last two changes.
2828 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2830 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2831 (variable_size): Call put_pending_size.
2832 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2833 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2834 sizes list, put newly created SAVE_EXPR there as well.
2836 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2838 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2839 (errata_find_address_regs): load_group has only 2 entries.
2840 (errata_emit_nops): Likewise. shladd is not problematic.
2841 Clear last_group if nop was emitted.
2842 (fixup_errata): load_group has only 2 entries.
2845 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2847 * c-lex.c (lex_number): Only warn traditionally for U suffix
2848 outside system macros.
2849 * cppexp.c (parse_number): Similarly.
2850 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2851 * cppmacro.c (struct cpp_macro): New member node.
2852 (parse_args): Only warn about missing rest args if not
2854 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2855 (cpp_sys_objmacro_p): New.
2856 (_cpp_create_definition): Store the node with the macro defn.
2857 Remember if the macro is defined in a system header.
2859 2001-02-13 DJ Delorie <dj@redhat.com>
2861 * configure.in (check_languages): determine languages to check
2862 * Makefile.in (check-c++): alias for check-g++
2863 (check-f77): alias for check-g77
2864 (CHECK_TARGETS): depend on configured languages
2866 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2868 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2869 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2870 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2871 (sqrtextendsfdf2): Disable for SSE2.
2873 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2875 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2876 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2877 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2878 (sqrtextendsfdf2): Disable for SSE2.
2880 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2882 * i386.md (movsfcc_1): Support integer cmove instruction.
2883 (movdfcc_1): Likewise; new splitter.
2885 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2887 * i386.c (output_fp_compare): Support SSE.
2888 (prepare_fp_compare_args): SSE comparisons always support memory.
2889 * i386.h (TARGET_CMOVE): SSE imply cmove.
2890 * i386.md (cmp?f2): Enable for SSE too.
2891 (cmpfp_i*): Support SSE.
2893 (cmpfp_i_sse_only): New.
2894 (s*, b* fp expanters): Enable for SSE too.
2895 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2898 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2900 * regclass.c (init_reg_sets_1): Silence warning.
2902 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2904 * i386.md (sqrt?f2): Change to expander.
2905 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2907 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2909 * rtlanal.c (find_reg_equal_equiv_note): New function.
2910 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2911 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2912 * rtl.h: Add declarations for above functions.
2914 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2916 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2918 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2919 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2920 * flow.c (mark_regs_live_at_end): Likewise.
2921 (calculate_global_regs_live): Likewise.
2922 * gcse.c (compute_hash_table): Likewise.
2923 (compute_kill_rd): Likewise.
2924 * resource.c (mark_target_live_regs): Likewise.
2925 * rtl.h (INVALID_REGNUM): New macro.
2927 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2929 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2931 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2933 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2936 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2938 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2940 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2941 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2942 (fop_sf_1_sse, fop_df_1_sse): New patterns
2943 (fop_*): Disable float_extend and float patterns for SSE compilation.
2944 * i386.c (output_387_binary_op): Support SSE.
2946 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2948 * i386.md (dummy_extendsfdf2): Support SSE2
2949 (extendsfdf2): Enable if 80387 or SSE2.
2950 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2951 and no MIX_I387_SSE2
2952 (extendsfdf2_1_sse_only): New pattern.
2953 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2955 (truncdfsf2_1): Support SSE.
2956 (truncdfsf2_2): Support SSE.
2957 (truncdfsf2_2_1_sse): New pattern.
2958 (fixtruncsfsi2): Always use SSE if available.
2959 (fix_truncsfsi_sse): New pattern.
2960 (fix_truncdfsi_sse): New pattern.
2961 (floatsis?f2): Support SSE.
2962 (floatsidf2_i387): New pattern.
2963 (floatsidf2_sse): Likewise.
2965 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2967 * configure.in: Use "have_gnat" variable, not "gnat".
2968 * configure: Regenerated.
2970 * config/sparc/sparc.c (function_value): Treat all non-record
2971 aggregate types like used to treat UNION_TYPE.
2973 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2975 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2976 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2978 (MASK_MIX_SSE_I387): New.
2979 (TARGET_SSE): SSE2 imply SSE.
2980 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2981 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2982 (enum reg_class): Add new classes.
2983 (REG_CLASS_NAMES): Likewise.
2984 (REG_CLASS_CONTENTS): Likewise.
2985 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
2986 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
2987 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
2988 (CLASS_MAX_NREGS): Use new macros.
2989 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
2990 * i386.md (pushsf, movsf): Support SSE.
2991 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
2992 splitters to use ANY_FP_REGNO_P.
2993 (movdf_nointeger, movdf_integer): Likewise.
2995 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
2997 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
2998 (try_combine): Use it.
3000 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3002 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3003 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3004 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3005 (REGISTER_MOVE_COST): Likewise.
3006 * i386-protos.h (ix86_secondary_memory_needed,
3007 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3008 * i386.c (ix86_secondary_memory_needed,
3009 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3011 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3013 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3014 (HARD_REGNO_MODE_OK): Move offline to ....
3015 * i386.c (ix86_hard_regno_mode_ok) ... here;
3016 refuse all incorrect modes.
3017 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3019 2001-02-13 Richard Henderson <rth@redhat.com>
3021 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3022 entire operator; replicate that and match_dup the operands.
3023 (cmp_ccx_arith_op_set): Likewise.
3024 (cmp_cc_arith_op_not_set): Likewise.
3025 (cmp_ccx_arith_op_not_set): Likewise.
3027 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3029 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3031 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3033 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3034 (TARGET_NO_BITFIELD_WORD): New macro.
3035 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3036 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3038 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3040 * cselib.c: New file, from simplify-rtx.c.
3041 * simplify-rtx.c: Remove cselib parts.
3042 * Makefile.in: Add cselib.o.
3044 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3046 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3047 (setup_incoming_varargs): Remove warning.
3049 * config/rs6000/rs6000.c (validate_condition_mode): When
3050 flag_fast_math, allow floating-point conditionals to be reversed.
3051 (rs6000_generate_compare): When flag_fast_math, don't generate
3052 cror operations for FP conditionals.
3054 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3056 (ASM_SPEC): Likewise.
3057 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3058 (CC1_SPEC): Likewise.
3059 (LINK_TARGET_SPEC): Likewise.
3060 (CPP_ENDIAN_SPEC): Likewise.
3061 * Makefile.in (check-consistency): New target.
3063 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3065 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3066 "return type defaults" warning for functions with return type
3068 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3069 function declarations by default rather than only when pedantic.
3071 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3073 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3076 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3078 * extend.texi (Deprecated): Deprecate new initializer lists.
3080 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3082 * mkdeps.c (deps_add_default_target): Robustify. Add
3083 basename component only.
3084 * cpp.texi (-M): Describe how default target is generated.
3085 * invoke.texi (-M): Likewise.
3087 2001-02-12 Kazu Hirata <kazu@hxi.com>
3089 * toplev.c (push_float_handler): Remove.
3090 (pop_float_handler): Remove.
3091 * toplev.h: Remove prototypes for the above functions.
3093 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3095 * c-common.c (constant_fits_type_p): New function.
3096 (convert_and_check): Use it.
3098 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3100 * Makefile.in (GXX_ABI_FLAG): Don't define.
3101 * configure.in (--enable-new-gxx-abi): Remove option.
3102 * config.in: Regenerated.
3103 * configure: Likewise.
3105 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3107 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3109 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3110 regular basic block, and arrange for all edges into it to switch
3113 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3115 * Makefile.in (distclean): Do not remove .gdbinit.
3117 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3119 * Makefile.in (gcc.o): Fix typos.
3120 (protize.o): Likewise.
3121 (unprotoize.o): Likewise.
3123 2001-02-11 Richard Henderson <rth@redhat.com>
3125 * tree.c (build1): Check for null operand in last change.
3127 2001-02-11 Richard Henderson <rth@redhat.com>
3129 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3130 (fold): Don't assume a constant isn't foldable.
3131 * tree.c (build): Set TREE_CONSTANT for an expression with no
3132 side-effects and constant operands.
3135 2001-02-10 Richard Henderson <rth@redhat.com>
3137 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3139 2001-02-10 Anthony Green <green@redhat.com>
3141 * cpp.texi (Standard Predefined): Add documentation for
3144 * c-common.c (combine_strings): Improve warning message.
3146 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3148 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3150 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3152 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3154 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3157 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3159 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3162 2001-02-09 Nick Clifton <nickc@redhat.com>
3164 * config/arm/arm.md: Change output contraint on post inc
3165 load/store multiple patterns to be a read/write contraint.
3167 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3169 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3170 .o files when using the -M options.
3172 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3173 David Edelsohn <edelsohn@gnu.org>
3175 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3176 handle DImode constants. Use one TOC entry for SImode and smaller
3177 constants, aligned properly.
3179 2001-02-08 Jason Merrill <jason@redhat.com>
3181 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3182 about the SP adjustment for saving the static chain pointer.
3183 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3184 offset when setting a temporary CFA register.
3186 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3188 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3189 powerpc-*-chorusos* .
3190 * config/rs6000/chorus.h : New file.
3191 * config/i386/chorus.h : New file.
3192 * config/sparc/chorus.h : New file.
3193 * config/sparc/t-chorus-elf : New file.
3195 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3197 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3198 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3199 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3200 (__WCHAR_TYPE__): Correct macro name.
3202 2001-02-08 Richard Henderson <rth@redhat.com>
3204 * config/i386/i386.c (ix86_frame_pointer_required): New.
3205 (ix86_setup_frame_addresses): New.
3206 (struct machine_funciton): Add accesses_prev_frame.
3207 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3208 ix86_frame_pointer_required.
3209 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3210 (SETUP_FRAME_ADDRESSES): New.
3211 * config/i386/i386-protos.h: Update.
3212 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3213 from FRAME_POINTER_REQUIRED.
3214 * config/i386/svr3gas.h: Likewise.
3215 * config/i386/sysv3.h: Likewise.
3216 * config/i386/v3gas.h: Likewise.
3218 2001-02-08 Richard Henderson <rth@redhat.com>
3220 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3221 calculation of the number of integer registers required.
3222 (function_arg_record_value): Likewise.
3224 2001-02-08 Jason Merrill <jason@redhat.com>
3226 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3227 two. Print file and line with "confused" message.
3229 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3231 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3233 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3235 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3237 * final.c (cleanup_subreg_operands): The address of a MEM can
3240 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3243 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3245 * gcc.texi (Incompatibilities): Update documentation of
3246 preprocessing numbers.
3248 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3250 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3252 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3254 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3256 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3257 * gcc.c (struct compiler): Add cpp_spec field.
3258 (input_file_compiler): New variable.
3259 (do_spec_1): Allow a particular compiler to handle `%C'
3261 (main): Store the current compiler in input_file_compiler.
3262 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3264 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3266 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3267 * cppinit.c (cpp_create_reader): Initialize them.
3268 (append_include_chain): cxx_aware arg might be unused.
3269 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3270 keywords and give them their phase 7 meaning. Pedwarn about
3271 this unless '__bool_true_false_are_defined' is defined.
3273 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3275 * lcm.c (optimize_mode_switching): Emit mode_set before the
3276 JUMP_INSN of an abnormal edge.
3278 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3280 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3281 a scheduling barrier at the end.
3283 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3285 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3287 * config/sh/sh.md (reload_outsf): Removed.
3288 (movsf_ie): Introduce constraints for FPUL loads and stores.
3289 (reload_insf): Broaden the output constraint.
3291 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3293 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3294 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3296 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3298 * final.c: Revert my previous changes.
3299 * output.h: Make profile_label_no extern.
3300 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3301 for generating label.
3303 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3305 * config/i386/djgpp.h: Add comments about standard paths.
3306 (MD_EXEC_PREFIX): Undefine before defining.
3307 (MD_STARTFILE_PREFIX): New.
3309 2001-01-30 Bruce Korb <bkorb@gnu.org>
3311 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3312 (load_file): do not rely on load_file_data() to close file pointer
3313 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3314 fixinc/inclhack.def(irix_limits_const): add test_text
3316 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3318 * cppexp.c (parse_defined): Improve diagnostics for invalid
3321 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3323 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3325 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3327 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3328 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3329 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3330 (rs6000_output_symbol_ref): New function.
3331 (output_toc): Use VTABLE_NAME_P.
3333 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3335 * print-tree.c (print_node, case PARM_DECL):
3336 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3338 * stor-layout.c (reference_types_internal): New variable.
3339 (internal_reference_types): New function.
3340 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3341 * tree.h (internal_reference_types): New declaration.
3343 * cse.c (find_best_addr): Fix typo in computing cost.
3345 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3347 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3348 and this is the sum of a pointer and a constant, we know the result
3350 (num_sign_bit_copies, case PLUS): Likewise.
3351 * explow.c (convert_memory_address): Remove opposite SUBREG.
3352 * function.c (instantiate_new_reg): New function (from common code).
3353 (instantiate_virtual_regs_1): Call it.
3354 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3355 if pointers sign- or zero-extend.
3356 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3357 If pointers extend unsigned, use inside of SUBREG.
3358 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3360 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3362 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3363 subdir of gcc_gxx_include_dir.
3364 (gcc_gxx_target_include_dir): Remove.
3366 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3368 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3369 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3370 a high-level description.
3372 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3374 * final.c: Move the declaration of profile_label_no to ...
3375 * output.h: ... here.
3376 * function.c (expand_function_start): Call PROFILE_HOOK.
3377 * config/rs6000/aix.h: Define PROFILE_HOOK.
3378 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3379 * config/rs6000/rs6000.c (output_profile_hook): Define.
3380 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3381 output_profile_hook.
3382 tm.texi : Explain new macro PROFILE_HOOK.
3384 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3386 * extend.texi (Extended Asm): Do not say that semicolon is always
3387 a valid line-breaking character for GNU assemblers. Use
3388 newline-tab as the most commonly supported syntax. Use
3389 newline-tab rather than semicolon in multi-insn examples.
3391 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3393 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3395 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3396 David Edelsohn <edelsohn@gnu.org>
3398 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3399 code for AIX, even without flag_pic.
3401 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3403 * c-typeck.c (common_type): push and pop binding level around
3404 calling common_type on function parameters.
3406 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3408 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3410 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3412 * config/mips/mips.c (override_options): Fix typo in last change.
3413 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3414 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3416 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3418 * invoke.texi (-fdump-class-layout): Document.
3419 (-fdump-translation-unit): Use `=' as filename separator.
3421 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3423 * Makefile.in (s-mlib): Don't build multilibs if
3425 (DRIVER_DEFINES): Adjust accordingly.
3427 (protoize.o): Likewise.
3428 (unprotoize.o): Likewise.
3429 * configure.in: Recognize --enable-multilib.
3431 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3433 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3435 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3436 * configure.in: Remove --enable-libstdcxx_v3 support.
3437 * configure: Regenerated.
3439 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3441 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3442 Call abort instead of fatal.
3443 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3444 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3445 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3446 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3447 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3448 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3450 * diagnostic.h (set_internal_error_function): Renamed.
3451 * toplev.h (internal_error): Renamed from fatal.
3452 (pfatal_with_name): Deleted.
3453 (fatal_io_error): Now has printf-style arguments.
3454 * diagnostic.c (pfatal_with_name): Deleted.
3455 (fatal_io_error): Rework to have args in printf-style.
3456 (set_internal_error_function): Renamed from set_fatal_function.
3457 (internal_error): Renamed from fatal.
3458 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3459 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3460 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3461 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3462 * flow.c (verify_flow_info): Likewise.
3463 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3464 * config/mips/mips.c (save_restore_insns): Likewise.
3466 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3467 * flow.c (verify_flow_info): Likewise.
3468 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3469 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3470 (avr_normalize_condition): Likewise.
3471 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3472 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3473 (limit_reload_class, double_reg_to_memory): Likewise.
3474 (print_operand_address, emit_1600_code_shift): Likewise.
3475 (gen_tst_reg, gen_compare_reg): Likewise.
3476 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3477 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3479 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3481 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3482 * objc/objc-act.c (build_ivar_chain): Likewise.
3483 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3485 * graph.c (clean_graph_dump_file): Likewise.
3486 * profile.c (init_branch_prob): Likewise.
3487 * objc/objc-act.c (objc_init): Likewise.
3489 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3490 * config/avr/avr.c (avr_override_options): Likewise.
3491 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3492 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3493 * config/h8300/h8300.c (h8300_init_once): Likewise.
3494 * config/mips/mips.c (override_options): Likewise.
3495 * config/i386/i386.c (override_options): Likewise, rework.
3496 * config/m68k/m68k.c (override_options): Likewise.
3498 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3500 * config/mips/mips.c (print_operand): Likewise.
3501 * hash.c (hash_allocate): Don't check for failure returns from
3502 obstack functions that can't fail.
3503 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3504 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3505 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3506 (get_object_reference): Likewise.
3508 2001-02-04 Nick Clifton <nickc@redhat.com>
3510 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3511 StrongARM1110, 10TDMI, and 1020T.
3513 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3515 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3517 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3519 * config/sh/sh.md (movdf load split): Pass register number to
3520 FP_OR_XD_REGISTER_P.
3522 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3524 * cppinit.c (BC): New macro.
3525 (builtin_array): Add __GXX_WEAK__.
3526 * cpplib.h (builtin_type): Add BT_WEAK.
3527 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3528 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3529 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3531 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3533 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3535 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3537 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3538 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3540 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3542 * cpphash.h: Rename ALIGN _ALIGN.
3543 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3545 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3547 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3548 compilation environment.
3549 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3550 control over location of cygwin includes and libs.
3552 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3554 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3556 2001-02-02 lars brinkhoff <lars@nocrew.org>
3558 * md.texi (Standard Names): remove reference to spur.md.
3560 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3562 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3563 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3564 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3565 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3566 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3568 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3570 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3571 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3572 number before reload.
3573 (c4x_adjust_cost): Return zero before reload.
3574 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3575 split before reload.
3577 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3579 * c4x.c (c4x_hard_regno_rename_ok): New.
3580 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3581 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3583 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3585 * diagnostic.h: Add missing "extern" in all declarations.
3587 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3589 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3590 as for gcc_gxx_include_dir.
3592 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3594 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3596 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3598 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3599 label before alignment to be used as the braf base address.
3600 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3602 (casesi_jump_2): Require at least TARGET_SH2.
3604 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3605 truncation to 32-bit doubles on -m3e and -m4-single-only.
3607 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3609 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3610 the default when building a shared object.
3611 (init_spec): Use it.
3612 * testsuite/lib/g++.exp: Include the directory where libgcc
3613 is located to the LD_LIBRARY_PATH list.
3614 * invoke.texi (-shared-libgcc): Document the cases in which
3615 GCC defaults to using the shared libgcc.
3617 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3619 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3620 unsigned is wide enough.
3622 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3623 (si_to_float): Likewise.
3624 (float_to_si, float_to_usi): Use BITS_PER_SI.
3626 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3628 * dwarf2out.c: Added explanation of abbreviations.
3629 (def_cfa_1): Added comments listing DWARF2 instructions.
3630 (cfa_temp_reg): Removed in favor of cfa_temp.
3631 (cfa_temp_value): Removed in favor of cfa_temp.
3632 (cfa_temp): New global variable.
3633 (dwarf2out_frame_debug_expr): Added extensive introductory
3634 comments explaining the function's transformations. Revised to
3635 use cfa_temp. Added some rtx checking. Generalize IOR case.
3636 (dwarf2out_frame_debug): Revised to use cfa_temp.
3637 (output_aranges): Cast as "unsigned" to avoid warning.
3638 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3639 explain which instructions must be marked.
3641 2001-02-01 Richard Henderson <rth@redhat.com>
3643 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3646 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3648 * config/sh/crt1.asm (main_k): Modified so that start calls
3649 ___setup_argv_and_call_main.
3651 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3653 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3654 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3655 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3656 * cppmacro.c (builtin_macro): Set builtin flags here.
3657 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3658 (replace_args): Clarify intent.
3659 (cpp_get_token): Macro expansion tokens get the saved flags.
3661 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3664 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3666 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3669 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3671 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3672 returns Pmode pseudo, but we need ptr_mode.
3673 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3674 Remove bogus conversions; use HOST_WIDE_INT for size.
3675 Don't use TARGET if wrong mode.
3677 * config/i386/i386.c (ix86_compute_frame_size): Allow
3678 stack_alignment_needed to be non-default even if size is zero.
3680 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3682 * (hppa_init_pic_save): Emit the pic offset table
3683 reg save after last_parm_insn.
3684 * pa.c (hppa_init_pic_save): New function.
3685 * pa.h (hppa_init_pic_save): Declare.
3686 * pa.md (call, call_value, sibcall, sibcall_value): Use
3687 the above instead of duplicated code.
3689 * pa.c (hppa_encode_label): Correct size of alloca buffer
3690 so we don't overrun it. Correct leading `*' case.
3691 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3692 need to handle `*@'.
3693 (FUNCTION_NAME_P): Likewise.
3695 2001-01-31 Richard Henderson <rth@redhat.com>
3697 * config.gcc (alpha-osf5): Use float-i128.h.
3699 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3700 * config/float-i32.h: Likewise.
3701 * config/float-i64.h: Likewise.
3702 * config/float-sh.h: Likewise.
3703 * config/float-sparc.h: Likewise.
3705 2001-01-31 DJ Delorie <dj@redhat.com>
3707 * expmed.c (extract_bit_field): allow non-integral modes if we
3708 want to extract a whole register from itself.
3710 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3712 * c-typeck.c (set_init_index): If first is equal to last, assume as
3713 if it was not a range at all.
3715 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3717 * config/fp-bit.c: Include tm.h.
3718 (float_to_si): Don't assume SImode is 32-bits wide.
3719 (float_to_usi): Likewise.
3721 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3723 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3725 (typename): Call pending_xref_error after parsing typed_typespecs.
3726 * c-decl.c (lookup_tag): Give error immediately rather than
3727 leaving it pending if the tag of the wrong type is in the same
3729 (xref_tag): Don't pedwarn for forward declarations of enum types
3731 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3734 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3736 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3738 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3740 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3741 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3743 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3745 * cpphash.h (struct cpp_reader): New saved_flags.
3746 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3747 to avoid a paste after a pasted token.
3749 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3751 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3752 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3753 Wtype_MIN instead of LONG_MIN.
3755 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3757 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3759 * fixinc/fixincl.x: Regenerated.
3760 * fixinc/inclhack.def (irix_limits_const): New definition to
3761 convert "const" to "__const" in limits.h.
3763 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3765 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3767 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3769 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3770 when register dies in the insn.
3772 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3774 * diagnostic.c (fatal): Fix word wrap.
3776 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3778 * combine.c (try_combine): Fix SUBREG setting for
3779 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3781 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3783 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3786 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3788 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3790 * toplev.c (decode_W_option): Update warn_larger_than
3791 unconditionally for each processed switch.
3793 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3795 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3797 (hppa_expand_prologue): Delete code to save pic offset table register
3798 in the function prologue.
3799 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3800 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3801 table register at the beginning of the function after the prologue.
3803 2001-01-29 lars brinkhoff <lars@nocrew.org>
3805 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3807 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3808 Jeff Law <law@redhat.com>
3810 * pa.md (return): Revise comment for trivial return.
3811 (return_internal): Non-trivial return pattern for non-PIC code.
3812 (return_internal_pic): Non-trivial return pattern for PIC code.
3813 It uses the PIC register to ensure it is restored after
3815 (epilogue): Generate appropriate return for PIC and non-PIC code.
3817 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3819 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3821 2001-01-29 DJ Delorie <dj@redhat.com>
3823 * combine.c (if_then_else_cond): Pass the correct mode to
3824 operand_subword() for constants.
3826 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3828 * config/i386/cygwin.h: Add w32api to include search. Search different
3829 directories in a cross-build environment.
3831 2001-11-29 Tim Josling <tej@melbpc.org.au>
3833 * tree.h (TYPE_STUB_DECL): Add documentation.
3835 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3837 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3838 (sdbout_field_types): Likwise. Fix use of host_integerp.
3840 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3842 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3845 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3847 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3848 to use flag_gnu_linker.
3850 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3852 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3853 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3855 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3857 * tree.c, tree.h (build_parse_node): Remove; was identical to
3859 * c-lang.c (start_cdtor), objc/objc-act.c
3860 (build_module_descriptor): Use build_nt instead of
3863 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3865 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3866 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3867 not have any upper bits set.
3869 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3871 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3873 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3875 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3877 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3879 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3880 (integer_minus_one_node): Define.
3882 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3884 * Makefile.in (bootstrap2-lean): Fix typo.
3886 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3888 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3889 : Don't set fe_value.
3890 * cpplib.h (AVOID_LPASTE): New flag.
3891 (struct cpp_hashnode): Remove fe_value.
3892 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3893 * cppmacro.c (builtin_macro): Don't set flags here.
3894 (replace_args): Set AVOID_LPASTE flag on first token of an
3895 argument, and the token following it.
3896 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3897 macro expansion, and on the token following it. Do it for
3899 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3901 2001-01-27 Richard Henderson <rth@redhat.com>
3903 * config/alpha/t-ieee: Remove multilibbing.
3904 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3906 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3908 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3910 * Makefile.in: Remove all dependencies on defaults.h.
3911 * builtins.c: Don't include defaults.h.
3912 * c-common.c: Likewise.
3913 * c-decl.c: Likewise.
3914 * c-pragma.c: Likewise.
3915 * c-typeck.c: Likewise.
3916 * combine.c: Likewise.
3918 * frame-ia64.c: Likewise.
3919 * cppexp.c: Likewise.
3920 * crtstuff.c: Likewise.
3921 * dbxout.c: Likewise.
3922 * dwarf2out.c: Likewise.
3923 * dwarfout.c: Likewise.
3924 * emit-rtl.c: Likewise.
3925 * except.c: Likewise.
3927 * final.c: Likewise.
3928 * frame-dwarf2.c: Likewise.
3929 * libgcc2.c: Likewise.
3930 * optabs.c: Likewise.
3931 * profile.c: Likewise.
3932 * sdbout.c: Likewise.
3933 * toplev.c: Likewise.
3934 * tradcif.y: Likewise.
3936 * varasm.c: Likewise.
3938 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3940 * builtins.c (expand_builtin_fputs): Use size_one_node when
3941 transforming into fwrite.
3943 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3945 * extend.texi (Attribute Syntax): New section.
3947 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3949 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3950 they didn't need fixing.
3952 2001-01-27 Janis Johnson <janis@us.ibm.com>
3954 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3956 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3957 to remove macro definitions that are duplicated from elfos.h.
3959 2001-01-27 Richard Henderson <rth@redhat.com>
3961 * config/i386/sco5gas.h: Move ...
3962 * config/usegas.h: ... here.
3963 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3965 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3967 * c-typeck.c (struct constructor_stack): Add range_stack member.
3968 (really_start_incremental_init): Clear it.
3969 (push_init_level): Save constructor_range_stack and clear it if
3970 pushing explicit braces.
3971 (pop_init_level): abort if constructor_range_stack is non-zero at
3972 explicit closing brace. Restore saved constructor_range_stack if
3975 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3977 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3978 into register was forced into memory.
3980 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3982 * Makefile.in: Remove uses of + before $(MAKE).
3984 2001-01-26 Richard Henderson <rth@redhat.com>
3986 * stmt.c (cost_table): Remove.
3987 (COST_TABLE, cost_table_initialized): New.
3988 (estimate_case_costs): Use the later instead of the former.
3989 (balance_case_nodes): Likewise.
3991 2001-01-26 Richard Henderson <rth@redhat.com>
3993 * alias.c (objects_must_conflict_p): Read-only slots may not
3994 conflict despite having the same type.
3996 2001-01-27 Michael Hayes <mhayes@redhat.com>
3998 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4000 (check_ext_dependant_givs): Initialise u_start_val and
4002 (load_mems): Make last_max_reg unsigned.
4003 (try_swap_copy_prop): Use INSN_P and initialise set.
4005 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4007 * README.AVR : Removed.
4009 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4011 * pa-64.h (text_section): Remove declaration.
4013 * pa.md (return_internal): Remove mode on PIC register use.
4015 2001-01-25 lars brinkhoff <lars@nocrew.org>
4017 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4018 ASM_CLOSE_PAREN): fix typos.
4020 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4022 * acconfig.h: Define `const' to the empty string if neither
4023 __STDC__ nor __cplusplus is defined.
4024 * config.in: Regenerated.
4026 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4028 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4029 * collect2.c (main): Delete importf. Add ".obj" file extension.
4030 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4031 (aix_std_libs): Add additional AIX libraries to skip.
4032 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4033 * config/rs6000/aix51.h: New file.
4035 2001-01-25 Michael Hayes <mhayes@redhat.com>
4037 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4038 (loop_insn_emit_before): No longer static.
4039 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4040 (loop_givs_rescan, load_mems): Likewise.
4041 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4042 (maybe_eliminate_biv_1):
4043 (move_movables): Replace emit_call_insn_before with
4044 loop_call_insn_hoist.
4045 * loop.h (loop_insn_emit_before): Add.
4046 * unroll.c (copy_loop_body): Replace emit_insn_before with
4047 loop_insn_emit_before.
4049 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4051 * diagnostic.c (fatal): Request preprocessed source.
4053 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4055 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4056 olddecl has argument types and newdecl has none, use the argument
4059 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4061 * dwarf2out.c (prefix_of): New function. Determine longest common
4062 prefix of the two arguments. The units are whole path components.
4063 (output_file_names): When adding a new directory find the one entry
4064 with the longest common prefix already in the list. Artificially
4065 generate entry if there is none for this prefix.
4066 Fix test to check whether the zeroth directory entry is used.
4068 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4070 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4071 Changed all callers. Take it into account when deciding if a
4072 previously loaded value matches.
4074 2001-01-24 Richard Henderson <rth@redhat.com>
4076 * reload.c (find_reloads_subreg_address): Fail the substitution
4077 if the resulting address is insufficiently aligned.
4079 2001-01-24 DJ Delorie <dj@redhat.com>
4081 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4082 check the original operand's mode also.
4083 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4085 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4087 * c-parse.in (cast_expr): Move compound literals from here ...
4088 (primary): ... to here. Use standard terminology "compound
4089 literal" instead of "constructor expression".
4091 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4093 * gcc.1, cpp.1: Regenerate.
4095 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4097 * calls.c (emit_library_call_value_1): Memory slot for
4098 pass-by-reference argument should have the mode of the argument,
4099 not of the pointer to it.
4101 2001-01-24 Tom Tromey <tromey@redhat.com>
4103 * gcc.texi (G++ and GCC): Mention gcj manual.
4104 (Standards): Link to section of manual mentioning gcj/Java
4107 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4109 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4110 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4111 * tradcpp.c (main): Add -imacros or -include'd dependencies
4113 * cpp.texi (-M, -MM): Document -M -include behaviour.
4115 2001-01-24 Roger Collins <roger@ProProject.com>
4117 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4119 2001-01-24 Will Cohen <wcohen@redhat.com>
4121 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4122 whether registers are 32 bits or 64 bits in size.
4124 2001-01-24 Ben Elliston <bje@redhat.com>
4126 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4128 2001-01-24 Richard Henderson <rth@redhat.com>
4130 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4131 (builtin_longjmp): Use it instead of emit_indirect_jump.
4133 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4135 * bb-reorder.c (make_reorder_chain_1): Handle case where
4136 jump edge goes to the same block as the fallthru edge.
4138 2001-01-23 Jim Wilson <wilson@redhat.com>
4140 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4141 * frame.h (__ia64_personality_v1): Add prototype.
4142 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4143 prototype form. Add void * cast to first argument to personality
4145 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4146 (asctoe113): Likewise.
4147 * config/ia64/frame-ia64.c: Include eh-common.h.
4148 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4150 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4152 (itanium_split_issue): Add prototype.
4153 (gen_nop_type): Ifdef out.
4154 (find_best_packet): Initialize best_packet.
4155 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4157 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4158 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4159 (flushrs): Add explicit stop bit at end.
4160 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4163 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4165 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4167 * libgcc2.c (__terminate_func): Make variable static.
4168 (__terminate_set_func): New function to set __terminate_func.
4169 * libgcc2.h (__terminate_func_ptr): New typedef.
4170 (__terminate_set_func): New function.
4172 2001-01-23 Richard Henderson <rth@redhat.com>
4174 * flow.c (init_propagate_block_info): Don't consider unchanging
4175 memories for dead frame store elimination.
4177 2001-01-23 Richard Henderson <rth@redhat.com>
4179 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4180 * defaults.h: ... here.
4182 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4184 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4186 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4188 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4190 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4192 * rs6000.h (rs6000_return_addr): Move prototype from here...
4193 * rs6000-protos.h (rs6000_return_addr): ...to here.
4194 (rs6000_init_expanders): Delete prototype.
4196 2001-01-23 Nick Clifton <nickc@redhat.com>
4198 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4199 (Spec Files): Document %B and %j and %. and %v3 and %M and
4200 %{S*&T} spec switches.
4202 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4204 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4206 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4207 Neil Booth <neil@daikokuya.demon.co.uk>
4209 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4210 Have -Werror make pedantic warnings errors, like the
4213 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4215 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4217 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4219 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4220 * integrate.c (expand_inline_function): Initialize them.
4221 (subst_constants): If changing COMPARE so that both its arguments
4222 will be VOIDmode and the comparison mode will be lost, note
4223 compare_mode. Use the recorded compare_mode to optimize
4226 2001-01-23 Jason Merrill <jason@redhat.com>
4228 * dwarf2out.c (new_die): Use xcalloc.
4229 (output_die): Abort rather than emit a local reference to offset 0.
4231 2001-01-17 Andrew Haley <aph@redhat.com>
4233 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4234 of a saved register; return NULL instead.
4235 (copy_reg): Take a pointer to a source register rather than a
4237 (next_stack_level): Remember the address in the stack frame of all
4239 Use the saved register pointer array as the source of the CFA.
4240 (throw_helper): Rewrite. Unwind once rather than twice and keep
4241 track of saved registers as we go.
4243 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4245 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4246 * c4x.c (c4x_legitimize_reload_address): Remove.
4247 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4248 reload address for ldp(k) insn.
4250 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4252 * pa.md (return_internal): Add a USE of the PIC register to ensure
4253 it is restored after each call.
4254 (return expander): Corresponding changes.
4256 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4258 * rs6000.h (INIT_EXPANDERS): Delete.
4259 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4260 * rs6000.c (rs6000_override_options): Call *_machine_status from
4262 (rs6000_init_expanders): ...instead of here. Delete.
4263 (rs6000_mark_machine_status): New function.
4264 (rs6000_init_machine_status): Use xcalloc.
4265 (rs6000_return_addr): Generate RTX for the return address.
4266 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4267 (rs6000_stack_info): Use it.
4269 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4271 * gthr-win32.h: Include errno.h to get a declaration for
4272 EINVAL and _mingw.h if the target is mingw32.
4274 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4276 * cpp.texi: Correct typos.
4278 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4280 * explow.c (probe_stack_range): Ensure value passed to
4281 stack_check_libfunc is ptr_mode, not Pmode.
4283 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4285 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4286 case, don't use operand_subword to calculate a SUBREG that is
4289 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4291 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4293 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4294 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4295 valid. If not replace it by equivalent insns.
4297 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4299 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4300 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4301 (c4x_U_constraint, symbolic_address_operand): Likewise.
4302 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4304 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4305 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4306 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4307 anulling slot because of silicon bug.
4308 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4310 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4312 * cppexp.c (parse_charconst): Change `mask' type to agree
4315 2001-01-21 Richard Henderson <rth@redhat.com>
4317 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4318 pic_label_name in a linkonce section.
4320 2001-01-17 Philipp Thomas <pthomas@suse.de>
4322 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4324 * configure: Regenerate.
4326 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4328 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4329 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4331 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4333 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4334 If REVERSE nonzero then condition code in X must be reversed.
4335 (encode_section_info): Optimise if/else.
4336 (avr_function_value): Fix formatting.
4338 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4339 (difficult_branch): Likewise.
4340 (rvbranch): Likewise.
4341 (difficult_rvbranch): Likewise.
4343 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4345 * config/avr/libgcc.S: Fix comment.
4347 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4349 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4351 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4353 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4355 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4357 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4358 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4359 * configure, config.in: Regenerate.
4360 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4361 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4362 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4363 (doprint.o): New rule.
4365 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4367 * c-typeck.c (digest_init): Handle boolean types as scalars.
4369 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4371 * stmt.c (expand_return): Don't return anything if size is zero.
4372 Delete redundant assignment to BYTES.
4373 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4375 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4377 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4378 the same as the default library function names.
4379 * config/avr/avr.md: Document special characters after '%'.
4380 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4381 knowing which of the call-used registers are really clobbered.
4382 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4383 New. Both quotient and remainder from one libgcc.S call.
4384 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4385 clobber as few registers as possible.
4386 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4388 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4390 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4391 context of the top of the stack.
4393 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4395 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4396 (fixup_var_refs_insns): ...here.
4398 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4400 * function.c (fixup_var_refs_insns): Break up into
4401 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4402 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4403 [loop over hash table entries].
4404 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4405 fixup_var_refs_insns_with_hash, to match above changes.
4407 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4409 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4410 (libgcc.a): Likewise.
4411 (stmp-multilib): Likewise.
4412 (STAGE2_FLAGS_TO_PASS): Likewise.
4414 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4416 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4417 temporary if no_new_pseudos.
4419 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4421 * cppinternals.texi: Update.
4423 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4425 * arm.c (arm_init_builtins): Re-enable builtins.
4427 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4429 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4430 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4431 element to be null, and always expect an EXPR_LIST.
4432 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4433 * sched-deps.c (sched_analyze_1): Likewise.
4434 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4436 * regclass.c (max_set_parallel): New variable.
4437 (reg_scan): Take it into account in computation of max_parallel.
4438 (reg_scan_mark_refs, case SET): Compute it.
4440 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4442 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4443 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4445 2001-01-19 Jason Merrill <jason@redhat.com>
4447 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4448 for the abstract instance of an inline function.
4450 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4451 J"orn Rennecke <amylaar@redhat.com>
4453 * reload1.c (move2add_note_store): Treat all registers directly or
4454 indirectly derived from a base register as members of the same set
4456 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4457 of base register into account.
4459 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4461 * alias.c (find_base_value): Recognize TRUNCATE.
4462 (record_set): In PLUS case, invalidate if other summand is also a
4465 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4467 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4468 entry to be EXPR_LIST.
4469 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4470 be an EXPR_LIST (but not null, which other code doesn't allow).
4471 (note_stores): Properly handle PARALLEL in SET.
4472 Recursively call for top-level PARALLEL.
4473 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4474 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4476 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4478 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4480 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4481 not pfile->skipping (== 0).
4483 2001-01-17 Nick Clifton <nickc@redhat.com>
4485 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4488 2001-01-17 Jim Wilson <wilson@redhat.com>
4490 * invoke.texi (IA-64 options): Improve.
4492 2001-01-17 Tom Tromey <tromey@redhat.com>
4494 * invoke.texi (Optimize Options): Use `{}' to around @samp
4497 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4499 * invoke.texi (-fno-guess-branch-probability): New option.
4501 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4503 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4504 case of making new double-word constant.
4505 Revert last change: instead just test i3_subst_into_i2.
4507 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4509 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4510 Use q constraints instead of r.
4512 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4514 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4515 (machine_function): Define.
4516 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4517 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4518 pa_free_machine_status): New functions.
4519 (override_options): Set {init,mark,free}_machine_status to above.
4520 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4521 PIC_OFFSET_TABLE_REGNUM_SAVED.
4522 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4523 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4524 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4525 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4526 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4528 2001-01-15 DJ Delorie <dj@redhat.com>
4530 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4534 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4536 * flow.c (propagate_on_insn): Make trying to delete a prologue
4537 or epilogue insn an ICE, not a warning. Allow doing this if
4538 the current function returns with stack pointer depressed.
4540 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4541 I3 having more than one SET.
4543 2001-01-16 Jim Wilson <wilson@redhat.com>
4545 * invoke.texi: Document IA-64 options.
4547 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4548 (fixup_errata): Delete TARGET_A_STEP use.
4549 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4550 (TARGET_SWITCHES): Delete -ma-step option.
4551 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4552 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4553 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4554 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4555 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4556 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4558 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4559 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4560 cmovsi_internal): Delete ! TARGET_A_STEP check.
4562 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4564 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4565 possibility to report bugs via postal mail. Change a URL and
4566 merge in a nearly duplicate statement...
4567 (Bug Reporting): ...from here.
4568 (Service): Refer to the Bug Reporting section instead of
4570 (Contributing): Remove trivial explanations concerning snapshots.
4572 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4574 * cppmain.c (general_init): Don't use ANSI prototype.
4576 2001-01-16 Tom Tromey <tromey@redhat.com>
4578 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4580 2001-01-16 Richard Henderson <rth@redhat.com>
4582 * config/i386/i386.h: Fix comment typo.
4583 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4584 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4586 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4588 * gcc.c: Revert previous -fsyntax-only-related change; move
4591 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4593 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4594 inmode after checking GET_CODE (op).
4596 2001-01-16 Richard Henderson <rth@redhat.com>
4598 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4599 (MAX_MEM_SET_LIST_LEN): New.
4600 (propagate_one_insn): Update mem_set_list_len.
4601 (invalidate_mems_from_autoinc): Likewise.
4602 (invalidate_mems_from_set): Likewise.
4603 (mark_used_regs): Likewise.
4604 (init_propagate_block_info): Likewise. Stop collecting memories
4605 when we reach MAX_MEM_SET_LIST_LEN.
4606 (mark_set_1): Likewise.
4608 2001-01-16 Richard Henderson <rth@redhat.com>
4610 * unroll.c (precondition_loop_p): Fail if no iteration
4613 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4615 * gcc.c: When -fsyntax-only is given, do not complain about
4618 2001-01-15 Richard Henderson <rth@redhat.com>
4620 * config/i386/i386.c (asm_output_function_prefix): Remove.
4621 (ix86_asm_file_end): New.
4622 (load_pic_register): Generate pic_label_name into a
4623 staticly allocated buffer.
4624 * config/i386/i386-protos.h: Update.
4625 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4626 (ASM_FILE_END): New.
4627 * config/i386/i386afe.h: New file.
4628 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4629 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4630 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4631 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4632 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4633 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4634 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4636 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4638 * Makefile.in (install-man): Remove explicit dependency on
4641 * configure.in, configure: Revert previous patch requiring perl
4644 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4646 * toplev.c (flag_guess_branch_prob): New.
4647 (f_options): Add guess-branch-probability option.
4648 (rest_of_decl_compilation): Only estimate branch probability if
4650 (main): set flag_guess_branch_prob.
4652 * flags.h (flag_guess_branch_prob): New.
4654 2001-01-15 DJ Delorie <dj@redhat.com>
4656 * gcc.texi (Makefile): Add documentation for Makefile targets.
4658 2001-01-15 Philip Blundell <philb@gnu.org>
4660 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4662 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4663 (is_pic): Delete declaration.
4664 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4665 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4666 * config/arm/arm.md (builtin_setjmp_receiver): New.
4668 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4670 * arm.c (use_return_insn): Don't try to determine the function type
4671 until after reload has completed.
4672 (arm_output_epilogue): Don't adjust the sp value recovered from the
4674 (emit_multi_reg_push): Don't record dwarf information for the pc.
4675 * arm.md (eh_epilogue): The function type may have changed, so it
4676 needs to be recalculated.
4677 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4678 unwind tables on arm/netbsd.
4680 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4682 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4683 (negated_cbranchsi4): Likewise.
4685 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4687 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4688 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4689 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4690 pass -mapcs-* options to assembler.
4691 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4692 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4693 (ASM_SPEC): Call subtarget_extra_asm_spec.
4695 2001-01-15 Andreas Jaeger <aj@suse.de>
4697 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4699 (ix86_expand_builtin): Likewise.
4701 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4702 warning about comparison between signed and unsigned.
4704 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4706 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4708 2001-01-14 Ralf Baechle <ralf@gnu.org>
4710 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4711 SUBTARGET_CPP_SPEC apropriatly.
4713 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4715 * varasm.c (make_decl_rtl): Fix typo in last change.
4717 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4719 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4720 linker supports the init_priority C++ attribute.
4721 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4722 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4723 linker does not support init_priority C++ attribute.
4725 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4727 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4729 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4731 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4732 * cp/lex.c (finish_parse): Similarly.
4733 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4734 Return the number of errors encountered.
4735 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4736 * cppmain.c (main): Don't call cpp_destroy.
4738 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4740 * configure.in: Require at least perl 5.6.0 to regenerate
4742 * configure: Regenerate.
4744 2001-01-14 Richard Henderson <rth@redhat.com>
4746 * genrecog.c (DT_veclen_ge): New.
4747 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4748 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4749 (nodes_identical_1): Handle DT_veclen_ge.
4750 (write_cond, debug_decision_2): Likewise.
4752 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4754 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4756 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4758 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4760 * cppmain.c (do_preprocessing): New function; most of the old
4762 (main): Call it to do most of the work.
4763 (cb): Move from global scope to set_callbacks ().
4764 (setup_callbacks): Get the callback pointer.
4765 (general_init, printer_init): Clean up code and comments.
4767 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4769 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4772 2001-01-14 Kazu Hirata <kazu@hxi.com>
4774 * config/h8300/h8300.c (get_shift_alg): Update comments.
4776 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4778 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4779 (alloc_page, ggc_alloc): Add casts to remove warnings.
4781 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4783 * combine.c (simplify_comparison): Don't change `code' when
4784 can't reverse comparison.
4786 2001-01-14 Richard Henderson <rth@redhat.com>
4788 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4789 update all call sites. Return true for all non-label constants.
4791 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4793 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4795 (ix86_expand_branch): Update.
4796 (ix86_expand_setcc): Update to handle multiple test conditions.
4797 (expand_int_movcc): Likewise.
4798 (expand_fp_movcc): Likewise.
4799 * i386-protos.h (ix86_expand_compare): New.
4800 * i386.md (andqi_?_slp, orqi_?_slp): New.
4801 (conditional trap expander): Update call to ix86_expand_compare.
4803 2001-01-14 Richard Henderson <rth@redhat.com>
4805 * config/vax/vax.md: Use nonimmediate_operand instead of
4806 general_operand in destinations.
4808 * config/vax/vax.md (indirect_jump): Use register_operand.
4810 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4811 * config/vax/vax.md (call_pop): Turn into an expander.
4812 (call_value_pop): Likewise.
4813 (call, call_value): New.
4815 2001-01-14 Andreas Jaeger <aj@suse.de>
4817 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4819 (ix86_fp_compare_mode): Add unused attribute.
4820 (ix86_expand_fp_movcc): Remove unused variable.
4821 (ix86_expand_builtin): Make fcode unsigned.
4823 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4824 (expand_expr): Add cast to avoid signed warning.
4825 (store_field): Likewise.
4826 (store_constructor_field): Likewise.
4827 (store_constructor): Likewise.
4828 (store_expr): Likewise.
4829 (clear_storage): Likewise.
4830 (emit_group_store): Likewise.
4831 (emit_group_load): Likewise.
4833 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4835 * c-common.c: Move format checking code to ...
4836 * c-format.c: ... here. New file. Reorder some functions and
4838 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4840 * c-common.h (decl_handle_format_attribute,
4841 decl_handle_format_arg_attribute): Declare.
4842 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4843 (c-common.o): Adjust dependencies.
4844 (c-format.o): New list of dependencies.
4846 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4848 * unroll.c (loop_iterations): If we cannot prove iteration variable
4849 is set once in each iteration, punt.
4851 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4853 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4854 (*strlenhi): Remove clobber (which was buggy) of output address.
4856 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4858 * Makefile.in (generated-manpages): Add gcc.1
4859 ($(srcdir)/gcc.1): New target.
4860 (maintainer-clean): Delete $(srcdir)/gcc.1.
4861 * gcc.texi: Add macros @gccoptlist and @gol.
4862 * invoke.texi: Include option summary in manpage. Mark up option
4863 summary with @gccoptlist and @gol. Use @r in one place where
4865 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4866 * gcc.1: Generate from invoke.texi.
4868 2001-01-13 Richard Henderson <rth@redhat.com>
4870 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4871 (struct page_entry): Add group member.
4872 (struct page_group): New.
4873 (struct globals): Add page_groups member.
4874 (alloc_anon): Only define for using mmap; remove valloc call.
4875 (page_group_index): New.
4876 (set_page_group_in_use): New.
4877 (clear_page_group_in_use): New.
4878 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4879 (free_page, release_pages): Likewise.
4880 * configure.in (with-gc): Default to ggc-page always.
4882 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4884 * reload1.c (replace_pseudos_in_call_usage): Use
4885 reg_equiv_constant and reg_equiv_address, and don't try
4886 regno_reg_rtx first.
4888 2001-01-13 Richard Henderson <rth@redhat.com>
4890 * ggc-page.c (alloc_page): Round up allocation size to one page.
4891 Set e->order on extra pages.
4893 2001-01-13 Richard Henderson <rth@redhat.com>
4895 * genrecog.c (nodes_identical): Expand commentary.
4896 (write_switch): Watch out for identical nodes.
4898 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4900 * cppfiles.c (_cpp_fake_include): New function.
4901 * cpphash.h (_cpp_fake_include): New.
4902 * cpplib.c (do_line): Call _cpp_fake_include when entering
4903 header files in preprocessed input.
4904 * cppmain.c (cb_pragma_implementation): Remove handling.
4905 (setup_callbacks): Don't register pragmas.
4907 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4909 * extend.texi: Udate for CPP.
4911 2001-01-13 Andreas Jaeger <aj@suse.de>
4913 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4915 * regmove.c: Add prototype for replace_in_call_usage.
4917 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4919 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4920 struct cpp_chunk, struct htab, struct toklist,
4921 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4922 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4923 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4924 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4925 (struct macro_args): Delete.
4926 * cpphash.h: See above.
4928 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4930 * cppmain.c (struct printer): Remove no_line_dirs.
4932 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4933 : Use options rather than CPP_OPTION.
4934 (setup_callbacks): Use cb rather than pfile->cb.
4935 (main): No need to check for a buffer. Use cpp_errors.
4936 (printer_init): Don't set no_line_dirs.
4937 (maybe_print_line): Use options not no_line_dirs.
4938 (cb_file_change): Don't call print_line if -P.
4940 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4942 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4944 * c-parse.in (finish_parse): Use cpp_errors.
4945 (__yylex): Use return value of cpp_pop_buffer.
4946 * cp/lex.c (finish_parse): Use cpp_errors.
4947 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4949 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4951 * README.AVR: URLs corrected.
4953 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4955 * c-decl.c (start_function): Don't warn if old prototype is builtin
4956 that's not in C's namespace.
4957 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4958 (_bb): Add prototype for ctime.
4959 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4961 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4963 * i386.c (ix86_fp_comparison_arithmetics_cost,
4964 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4965 ix86_fp_comparison_cost): New functions.
4966 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4967 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4968 two-branch sequences; make static.
4969 (ix86_use_fcomi_compare): Do decision according to the costs.
4970 (split_fp_branch): New.
4971 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4972 * i386-protos.h (ix86_expand_fp_compare): Remove
4973 (ix86_split_fp_branch): Declare.
4975 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4976 and ix86_comparison_operator.
4978 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4981 * i386.c (put_condition_code): Output properly the unordered/ordered
4982 compares in fp case.
4983 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
4985 * tm.texi (REVERSE_CONDITION): Document.
4986 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
4987 in -ffast-math mode.
4988 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
4990 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4992 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
4994 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
4997 * config/sh/sh.c (mova_p): Fix test for mova_const.
4999 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5001 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5002 cpp_get_options rather than dereferencing pfile and using
5004 * scan-decls.c (scan_decls): Use return value of
5005 cpp_pop_buffer rather than CPP_BUFFER.
5007 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5009 * cppinit.c (cpp_handle_option): help_only is now part of the
5010 cpp_options structure.
5011 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5012 cpp_set_callbacks): New functions.
5013 * cpplib.h (cpp_callbacks): Break out as a named structure.
5014 (cpp_options): Move help_only here from cpp_reader.
5015 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5016 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5017 cpp_set_callbacks): New prototypes.
5018 * cppmain.c (main): Update for help_only.
5020 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5022 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5023 Also build and remove and install and uninstall c-tree.info and
5025 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5026 ($(srcdir)/cppinternals.info): New target.
5027 * c-tree.texi: Change file name used when makeinfo used without -o
5028 from ir.info to c-tree.info. Add info directory entry.
5029 * cppinternals.texi: Add info directory entry.
5030 * .cvsignore: Update.
5032 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5034 * c-typeck.c (store_init_value): Don't require constant initializer
5035 elements with -pedantic -std=c99.
5036 (digest_init): Change error about non-constant initializer elements
5038 (constructor_range_end): Remove.
5039 (constructor_incremental, designator_depth,
5040 designator_errorneous): New variables.
5041 (struct constructor_stack): Remove range_end, add incremental.
5042 (struct constructor_range_stack, constructor_range_stack): New.
5043 (struct initializer_stack): Add constructor_range_stack.
5044 (finish_init): Set it.
5045 (start_init): Likewise. require_constant_elements for non-static
5046 trees only if not flag_isoc99.
5047 (really_start_incremental_init): Remove constructor_range_end, add
5048 constructor_incremental.
5049 (pop_init_level): Likewise.
5050 (push_init_level): Likewise. If implicit and the subobject had some
5051 value set already, preinitialize the level with it.
5052 Warn about missing braces only if not pushing due to designators.
5053 (set_designator, push_range_stack): New functions.
5054 (set_init_label): Use them.
5055 (set_init_index): Likewise. Remove constructor_range_end.
5056 Error if designator index is outside of array bounds.
5057 (add_pending_init): Compare values of purpose index trees, not the
5058 trees themselves. Allow overwriting of already initialized element.
5059 Issue a warning if it had side-effects.
5060 (set_nonincremental_init, set_nonincremental_init_from_string): New
5062 (pending_init_member): Rename to...
5063 (find_init_member): ...this function. Call set_nonincremental_init
5064 if necessary. Compare values of purpose index trees, not the trees
5065 themselves. Return the actual value, not just non-zero if something
5067 (output_init_element): Remove checks for duplicates.
5068 If field has zero size, only check the initializer for correctness.
5069 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5070 if constructor_incremental is zero. Change error about initializers
5071 not computable at load time into pedwarn.
5072 (output_pending_init_elements): Compare bit positions, not
5073 FIELD_DECLs to take into account zero-sized fields.
5074 (process_init_element): Use constructor_range_stack to fill all
5075 ranges in the designator lists from current level up.
5076 * extend.texi: Update documentation for labeled elements.
5078 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5080 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5081 to function usage for arguments passed by reference. Optimize
5082 callee-copied arguments.
5083 * regmove.c (replace_in_call_usage): New function.
5084 (fixup_match_1): Call it.
5085 * cse.c (cse_insn): Canonicalize registers in function usage.
5086 * reload1.c (replace_pseudos_in_call_usage): New function.
5089 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5092 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5094 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5097 2001-01-12 DJ Delorie <dj@redhat.com>
5099 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5100 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5103 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5105 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5106 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5107 -std options alongside references to -ansi. Update some
5108 documentation for C99.
5109 * cpp.1: Regenerate.
5111 2001-01-12 Andreas Jaeger <aj@suse.de>
5113 * haifa-sched.c (restore_line_notes): Remove argument block B
5115 * sched-ebb.c (schedule_ebb): Change caller.
5116 * sched-rgn.c (schedule_region): Likewise.
5117 * sched-int.h (restore_line_notes): Adjust prototype.
5119 * loop.h: Remove wrong declaration of doloop_condition_get.
5121 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5123 * extend.texi: Move C++-extension-related node from the C section
5124 into the C++ section.
5126 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5128 * extend.texi: Refer to an array of pointers to functions instead
5129 of one of functions.
5131 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5132 Jan Hubicka <jh@suse.cz>
5134 * combine.c (reversed_comparison): Fix typo in last patch.
5136 (combine_reversed_comparison_code): Make static to follow
5137 prototype declaration.
5139 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5141 * install.texi: Remove misplaced duplicate entry.
5143 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5145 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5147 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5149 * final.c: (leaf_function_p): Fix typo.
5151 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5153 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5154 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5156 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5157 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5158 mmap_anon, and valloc is available.
5159 * ggc-page.c: Restructure ifdef logic to match new autoconf
5160 spec. Don't throw away the test page in init_ggc.
5162 * configure, config.in: Regenerate.
5164 2001-01-12 Michael Hayes <mhayes@redhat.com>
5166 * loop.h (total_biv_increment): Constify iv_class pointer.
5167 (struct induction): Replace `mem_mode' with `mem' rtx.
5168 * unroll.c (total_biv_increment): Constify iv_class pointer.
5169 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5170 (find_mem_givs, combine_givs_p): Likewise.
5171 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5173 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5175 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5177 (__gthread_getspecific): Ditto.
5179 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5181 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5182 put_condition_code): Convert fp comparison codes to integer
5184 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5187 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5188 * i386-protos.h (no_comparison_operator): Kill.
5190 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5192 * combine.c (REVERSIBLE_CC_MODE): Remove.
5193 (reversible_comparison_p): Remove.
5194 (combine_reversed_comparison_code): New.
5195 (reversed_comparison): New.
5196 (combine_simplify_rtx): Use
5197 combine_reversed_comparison_code/reversed_comparison instead
5198 of reversible_comparison_p.
5199 (simplify_if_then_else): Likewise.
5200 (simplify_set): Likewise.
5201 (simplify_logical): Likewise.
5202 (if_then_else_cond): Likewise.
5203 (known_cond): Likewise.
5204 (simplify_comparison): Likewise.
5206 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5208 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5209 sizeof (int) is larger than sizeof(__word__).
5211 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5213 * cppinit.c (do_includes): Fix typo.
5215 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5217 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5218 in S_REGS does not occur because not all sources are possible
5219 when a S_REGS is a destination (sometimes needs a clobber).
5220 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5221 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5222 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5223 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5224 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5225 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5226 (lshrdi_const1, lshrsi3_const16): Likewise.
5227 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5228 (*movhi_68hc12, *movqi_68hc12): Likewise.
5229 (movstrictqi): Make sure reloading in D_REGS as a destination
5232 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5234 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5236 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5238 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5239 -D, -U and -A, and don't initialize the builtins.
5240 (do_includes): Error if -include or -imacros with -fpreprocessed.
5241 * cppmain.c (cb_define, cb_undef): Unconditionally process
5243 * tradcpp.c (main): Fix typo.
5245 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5247 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5248 (read_name_map): Use IS_ABSOLUTE_PATH.
5249 * tradcpp.c (get_filename): Likewise.
5251 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5253 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5254 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5255 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5256 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5257 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5258 (cmphi_z_used): Don't use '@' for the output.
5259 (tstqi_z_used): Likewise.
5260 (cmpqi_z_used): Likewise.
5261 (one_cmplsi2): Likewise.
5263 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5265 * config/sh/sh.c (barrier_align): Recognize branch around far
5266 branch and redundant insn.
5268 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5270 * invoke.texi: Restore documentation of the drivers' switches -MD
5273 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5275 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5277 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5278 check-objc//%): Support parallel testing of multilibs.
5279 (TESTSUITEDIR): Set to testsuite by default, but override for
5281 (check-gcc, check-g++, check-g77, check-objc): Enter
5284 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5286 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5287 * sched-deps.c (deps_may_trap_p): Likewise.
5288 * basic-block.h: Remove a comment.
5289 * flow.c (PROP_POSTRELOAD): Remove.
5290 (update_life_info): Don't add it to prop_flags.
5291 (mark_set_1): Lose the code that was enabled by it.
5293 2001-01-11 Michael Hayes <mhayes@redhat.com>
5295 * flow.c (flow_call_edges_add): New.
5296 * basic_block.h (flow_call_edges_add): New.
5298 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5300 * reload1.c (move2add_note_store): Update reg_set_luid even if
5301 base reg remains the same.
5303 2001-01-10 Nick Clifton <nickc@redhat.com>
5305 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5306 machine_function structure to zero.
5307 Add prototypes for machine_status functions.
5309 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5311 * c-common.h (CTI_VOID_LIST): Remove.
5312 (void_list_node): Likewise.
5313 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5314 (void_list_node): New macro.
5315 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5316 * config/i386/i386.c (ix86_init_builtins): Likewise.
5317 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5319 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5321 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5322 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5324 * tradcpp.c: Include mkdeps.h.
5325 (deps, print_deps_phony_targets, deps_append, output_deps,
5326 init_dependency_output, output_deps): New.
5327 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5328 deps_output): Delete.
5329 (print_deps_missing_files): Rename deps_missing_files.
5330 (inhibit_output): Make global.
5331 (main): Delete inhibit_output, deps_stream, deps_target.
5332 Use mkdeps functionality in the same way as cpplib. Remove
5333 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5334 -M and -MM. Remove old handling of deps via deps_out, and
5335 old reading of environment variables.
5336 (get_filename): Update to use deps_add_dep.
5338 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5340 * output.h (make_function_rtl): Remove prototype.
5341 (make_decl_rtl): Likewise.
5342 * varasm.c (make_function_rtl): Remove.
5343 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5344 than from a third parameter.
5345 * tree.h (make_decl_rtl): Remove last parameter.
5346 * c-decl.c (builtin_function): Remove last argument in call to
5347 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5348 (start_function): Likewise.
5349 * except.c (call_get_eh_context): Likewise.
5350 * expr.c (emit_block_move): Likewise.
5351 (clear_storage): Likewise.
5352 * profile.c (output_func_start_profiler): Likewise.
5353 * toplev.c (rest_of_decl_compilation): Likewise.
5354 * objc/objc-act.c (create_builtin_decl): Likewise.
5355 (synth_module_prologue): Likewise.
5356 (generate_static_reference): Likewise.
5357 (build_selector_reference_decl): Likewise.
5358 (build_class_reference_decl): Likewise.
5359 (build_objc_string_decl): Likewise.
5360 (build_protocol_reference): Likewise.
5362 2001-01-10 Richard Henderson <rth@redhat.com>
5364 * hwint.h: Revert yesterday's change.
5366 2001-01-10 Nick Clifton <nickc@redhat.com>
5368 * function.h (save_machine_status): Delete.
5369 (restore_machine_status): Delete.
5370 Amend comment describing {init|mark|free}_machine_status.
5372 * function.c (save_machine_status): Delete.
5373 (restore_machine_status): Delete.
5374 Amend comment describing {init|mark|free}_machine_status.
5375 (push_function_context_to): Remove invocation of
5376 save_machine_status.
5377 (pop_function_context_from): Remove invocation of
5378 restore_machine_status.
5380 * emit-rtl.c (init_emit_once): Amend comment describing
5381 {init|mark|free}_machine_status.
5383 * tm.texi (Per-Function Data): New node. Describe the
5384 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5387 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5389 * cppinit.c (OPT_g): Remove.
5390 (cpp_handle_option): Update for removed -g3.
5391 (print_help): Update.
5392 * cpplib.h (struct cpp_options): Remove debug_output.
5393 * cppmain.c (setup_callbacks, cb_define): Update.
5394 * gcc.c (cpp_options): Translate -g3 to -dD.
5396 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5398 * config/i960/i960.md: Change modifier to + on the zero_extract
5399 pattern after the (rotate -2 reg) canonicalization pattern.
5401 2001-01-10 Richard Henderson <rth@redhat.com>
5403 * config/alpha/alpha.c (alpha_free_machine_status): New.
5404 (override_options): Install it.
5405 (alpha_mark_machine_status): Verify machine non-null.
5406 * config/i386/i386.c (ix86_free_machine_status): New.
5407 (override_options): Install it.
5408 (ix86_init_machine_status): Use xcalloc.
5409 (ix86_mark_machine_status): Verify machine non-null.
5410 * config/ia64/ia64.c (ia64_free_machine_status): New.
5411 (ia64_override_options): Install it.
5412 (ia64_mark_machine_status): Verify machine non-null.
5414 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5416 * function.c (instantiate_virtual_regs): Instantiate virtual
5417 registers found in CALL_INSN_FUNCTION_USAGE.
5419 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5421 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5422 equivalent to -ansi in disabling -Di386.
5424 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5426 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5428 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5430 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5432 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5434 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5436 * invoke.texi: Document that -fcond-mismatch isn't supported for
5439 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5441 * gcc.texi: Define macro gcctabopt.
5442 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5443 @command, @env and @option in some places where appropriate. Use
5444 @gcctabopt where appropriate. Put URLs and email addresses inside
5447 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5449 * gcc.c (cpp_options): Set MD file name from output
5450 filename, if specified.
5451 (suffix_subst): New static variable.
5452 (do_spec): Clear it.
5453 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5455 (give_switch): Handle suffix_subst.
5457 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5459 * invoke.texi: Fix another typo.
5461 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5463 * invoke.texi: Fix typo.
5465 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5467 * c-lang.c (lang_hooks): Update.
5468 (lang_decode_option): Remove.
5469 (lang_init_options): Rename c_init_options.
5470 * toplev.c (main): Use lang_hooks for lang_init_options
5471 and lang_decode_option.
5472 * toplev.h (lang_hooks): Add 2 new hooks.
5473 * tree.h: Remove lang_init_options and lang_decode_option.
5474 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5475 * cp/decl2.c: Similarly.
5476 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5477 (lang_hooks): Update.
5478 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5480 (lang_init_options): Rename ffe_init_options.
5481 (lang_hooks): Update.
5482 (lang_decode_option): Remove.
5483 * java/lang.c (lang_init_options): Rename java_init_options.
5484 (lang_decode_option): Rename java_decode_option.
5485 (lang_hooks): Update.
5486 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5487 (lang_decode_option): Rename objc_decode_option.
5488 (lang_hooks): Update.
5490 2001-01-09 Nick Clifton <nickc@redhat.com>
5492 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5493 (d30v_return_addr_rtx): Delete.
5494 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5495 cfun->machine structure.
5496 (struct machine_function): Move to d30v.h
5497 (d30v_save_machine_status): Delete.
5498 (d30v_restore_machine_status): Delete.
5499 (d30v_init_machine_status): New Function.
5500 (d30v_mark_machine_status): New Function.
5501 (d30v_free_machine_status): New Function.
5502 (d30v_init_expanders): Use new functions.
5503 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5504 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5505 d30v_return_addr_rtx.
5507 * config/d30v/d30v.h (struct_machine): Move here.
5508 Add eh_epilogue_sp_ofs field.
5510 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5511 field in cfun->machine structure.
5513 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5515 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5516 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5517 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5519 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5521 * objc/lang-options.h: Remove bogus reference to
5524 2001-01-09 Kazu Hirata <kazu@hxi.com>
5526 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5529 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5531 * reload.c (find_reloads_address): Check for eliminable registers
5532 when substituting a constant expression for a pseudo.
5534 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5536 * c-common.c (enum format_type): Add format_type_error.
5537 (decode_format_type): New function.
5538 (decl_attributes): Use it.
5539 (format_kind_info): Adjust comment.
5541 2001-01-09 David O'Brien <obrien@BSDi.com>
5543 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5544 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5546 * config/i386/gnu.h: Don't include required platform specific .h files,
5547 tm.h will do it instead.
5548 * config/i386/i386elf.h: Likewise.
5549 * config/i386/linux.h: Likewise.
5550 * config/i386/moss.h: Likewise.
5551 * config/mips/gnu.h: Likewise.
5553 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5555 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5556 (rs6000-ibm-aix3.[01]*): Likewise.
5557 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5558 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5559 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5560 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5561 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5562 (powerpc-*-eabiaix*): Likewise.
5563 (powerpc-*-eabisim*): Likewise.
5564 (powerpc-*-elf*): Likewise.
5565 (powerpc-*-eabi*): Likewise.
5566 (powerpc-*-rtems*): Likewise.
5567 (powerpc-*-linux*libc1): Likewise.
5568 (powerpc-*-linux*): Likewise.
5569 (powerpc-wrs-vxworks*): Likewise.
5570 (powerpcle-wrs-vxworks*): Likewise.
5571 (powerpcle-*-sysv*): Likewise.
5572 (powerpcle-*-elf*): Likewise.
5573 (powerpcle-*-eabisim*): Likewise.
5574 (powerpcle-*-eabi*): Likewise.
5575 (powerpcle-*-solaris2*): Likewise.
5576 * config/rs6000/aix31.h: Delete includes.
5577 * config/rs6000/aix3newas.h: Likewise.
5578 * config/rs6000/aix41.h: Likewise.
5579 * config/rs6000/aix43.h: Likewise.
5580 * config/rs6000/beos.h: Likewise.
5581 * config/rs6000/rtems.h: Likewise.
5582 * config/rs6000/sysv4.h: Likewise.
5584 2001-01-09 Kazu Hirata <kazu@hxi.com>
5586 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5587 Change an argument mode of machine_mode to shift_mode of
5588 shift_mode. Remove an extra error check.
5589 (emit_a_shift): Adopt to the new calling prototype of
5591 (function_prologue): Fix code for a monitor
5592 function. Support H8/S.
5593 (function_epilogue): Do not output pop for a monitor function.
5595 2001-01-09 Nick Clifton <nickc@redhat.com>
5597 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5598 (setup_incoming_varargs): Use sysv_varargs_p field of the
5599 cfun->machine structure.
5600 (struct machine_function): Move to rs6000.h
5601 (rs6000_save_machine_status): Delete.
5602 (rs6000_restore_machine_status): Delete.
5603 (rs6000_init_machine_status): New Function.
5604 (rs6000_free_machine_status): New Function.
5605 (rs6000_init_expanders): Use new functions.
5607 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5609 (struct machine_function): Move here.
5611 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5612 sysv_varargs_p field of the cfun->machine structure.
5614 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5616 (rs6000_restore_machine_status): Remove prototype.
5618 2001-01-09 Richard Henderson <rth@redhat.com>
5620 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5621 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5622 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5623 (sched_analyze_2, sched_analyze_insn): Likewise.
5624 (sched_analyze, init_deps): Likewise.
5625 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5626 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5627 (compute_block_backward_dependences): Update propagate_deps call.
5629 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5631 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5633 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5635 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5636 (cpp_handle_option): Handle them.
5637 (cpp_post_options): Ensure one of -M or -MM is specified with
5638 any other -M? option.
5639 (init_dependency_output): Suppress output with -MG.
5641 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5644 * invoke.texi: Update.
5646 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5648 * sh.md (reload_outsf): Generate recognizable patterns for
5651 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5653 * c-lang.c (lang_hooks): Update.
5654 (lang_init): Rename c_init.
5655 (lang_finish): Remove.
5656 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5658 * toplev.h (lang_hooks): Add init () and finish ().
5659 * tree.h (lang_init, lang_finish): Remove.
5660 * cp/tree.h (lang_init, lang_finish): Remove.
5661 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5662 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5664 (lang_init, lang_finish): Remove.
5665 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5666 (lang_hooks): Update.
5667 * java/lang.c (lang_init): Rename java_init.
5668 (lang_finish): Remove.
5669 (lang_hooks): Update.
5670 * objc/objc-act.c (lang_init): Rename objc_init.
5671 (lang_finish): Remove.
5672 (lang_hoooks): Update.
5674 20001-01-09 Graham Stott <grahams@redhat.com>
5676 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5677 after `ptr` is initialised.
5679 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5681 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5682 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5683 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5684 stack adjusts, instead of r3.
5686 2001-01-09 Michael Hayes <mhayes@redhat.com>
5688 * flow.c (flow_loop_scan): Break out of ...
5689 (flow_loops_find) ... here.
5690 * basic-block.h (flow_loop_scan): New.
5691 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5692 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5694 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5696 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5698 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5699 realloc()ing macro_buffer.
5701 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5702 if it's wider than long and the target's long is wider than the
5705 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5707 Remove support for using UWIN as a host machine.
5708 * configure.in: Issue an error message.
5709 * configure: Regenerated.
5710 * config.gcc: Remove xm_* UWIN configury.
5711 * config/i386/xm-uwin.h: Remove.
5713 2001-01-08 Nick Clifton <nickc@redhat.com>
5715 * config/v850/v850.c (ra_rtx): Delete.
5716 (v850_save_machine_status): Delete.
5717 (v850_restore_machine_status): Delete.
5718 (v850_init_machine_status): New function.
5719 (v850_mark_machine_status): New function.
5720 (v850_free_machine_status): New function.
5721 (v850_return_addr): Use ra_rtx field in machine structure.
5722 (v850_init_expanders): Use new functions.
5724 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5725 * config/v850/v850.c: Change arguments to v850_output+* functions
5726 to take a const char *, to avoid compile time warning.
5727 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5728 (USER_LABEL_PREFIX): Redefine.
5730 2000-01-08 Jim Wilson <wilson@redhat.com>
5732 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5733 1 to unsigned HOST_WIDE_INT before left shift.
5735 2001-01-08 Nick Clifton <nickc@redhat.com>
5737 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5738 the machine structure has been allocated.
5739 (arm_free_machine_status): New function: Free the machine
5740 specific function structure.
5742 2001-01-08 Richard Henderson <rth@redhat.com>
5744 * jump.c (simplejump_p): Revert last change.
5746 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5748 * cppinit.c (init): Rename init_library.
5749 (cpp_create_reader): Update.
5750 * gcc.c (cpp_options): If -o given, use it as the target of
5753 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5755 * arm.c (arm_arch5e): New variable.
5756 (all_cores): XScale is a 5TE device.
5757 (arm_override_options): Set arm_arch5e.
5758 (arm_init_builtins): __builtin_prefetch is in arch5e.
5759 * arm.h (arm_arch5e): Declare it.
5761 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5763 * arm.md (define_constants): Add defines for UNSPEC and
5764 UNSPEC_VOLATILE insns. Update all users.
5765 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5766 * arm.c (multi_register_push, note_invalid_constants)
5767 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5768 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5769 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5771 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5773 * jump.c (jump_optimize_1): Use reversed_comparison_code
5774 instead of can_reverse_comparison_p.
5775 (jump_back_p): Likewise.
5776 (invert_exp_1): Likewise.
5777 (thread_jumps): Likewise.
5778 * simplify-rtx.c (simplify_unary_operation): Likewise.
5779 (simplify_ternary_operation): Likewise.
5780 * cse.c (find_comparison_args): Convert to use
5781 can_reverse_comparison_p.
5782 (record_jump_equiv): Likewise.
5784 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5786 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5787 (EPILOGUE_USES): Define.
5788 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5789 automatically stack the LR if it isn't live.
5791 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5793 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5796 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5798 * ggc-page.c (max_alignment): New structure.
5799 (MAX_ALIGNMENT): New macro.
5800 (init_ggc): Use it to round up the sizes in the
5801 extra_order_size_table.
5803 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5805 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5808 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5810 * builtins.def (BUILT_IN_FPRINTF): New entry.
5812 * c-common.c (c_expand_builtin_fprintf): New function.
5813 (init_function_format_info): Handle __builtin_fprintf.
5814 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5815 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5817 * c-decl.c (duplicate_decls): Adjust comment.
5819 * extend.texi (fprintf): Document new builtin.
5821 2001-01-07 Richard Henderson <rth@redhat.com>
5823 * jump.c (simplejump_p): Recognize any single_set jump
5826 2001-01-07 Richard Henderson <rth@redhat.com>
5828 * configure.in (slibdir): Accept an --with-slibdir option.
5829 Use "test" not "[" in configure. Default to $(libdir).
5831 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5833 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5834 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5835 (SHLIB_LINK): Create links for the soname.
5836 * config/mips/t-iris6: Likewise.
5837 * config/sparc/t-slibgcc: Likewise.
5838 * config/sparc/t-slibgcc-sld: Likewise.
5840 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5842 * config/i386/i386.c (constant_call_address_operand): Accept
5843 (const (plus (symbol_ref) (const_int))).
5844 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5845 constant_call_address_operand.
5847 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5849 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5850 and LONG_LONG_TYPE_SIZE > 32.
5852 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5854 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5855 the previous change.
5857 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5859 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5861 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5862 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5863 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5866 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5868 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5870 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5872 * c-lang.c (c_post_options): Call cpp_post_options.
5873 * objc/objc-act.c (objc_post_options): Similarly.
5874 * cppmain.c (main): Similarly.
5875 * fix-header.c (read_scan_file): Similarly.
5876 * cppinit.c (cpp_start_read): Move option consistency checks
5877 to cpp_post_options. Don't call init_dependency_output.
5878 If needed, add default target and main file dependency.
5879 (OPT_MD, OPT_MMD): Remove.
5881 (cpp_handle_option): Update for OPT_* changes.
5882 (cpp_post_options): New.
5883 (init_dependency_output): Command line -MF overrides environment
5884 variables. Don't set default target etc. Suppress output
5885 if dependencies are going to stdout.
5886 (print_help): Update.
5887 * cpplib.h (cpp_post_options): New.
5888 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5890 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5892 * jump.c (comparison_dominates_p): Support unordered compares.
5894 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5896 * simplify-rtx.c (simplify_relational_operation): Always simplify
5897 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5900 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5902 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5903 (nonzero_bits): Likewise.
5904 (simplify_comparison): Likewise.
5905 (num_sign_bit_copies): Likewise; return more sane value depending
5906 on STORE_FLAG_VALUE.
5907 (known_cond): Do not assume EQ to be always true for equivalent
5910 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5912 * cse.c (fold_rtx): Handle unordered comparisons.
5914 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5916 * rtlanal.c (set_of_1): New static function.
5917 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5918 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5919 reg_set_last_last_regno): Remove.
5920 (set_of): New global function.
5921 (set_of_data): New structure.
5922 (reg_set_p, reg_set_last): Revamp for set_of.
5923 * rtl.h (set_of): New.
5925 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5927 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5928 * extend.texi: Document _Exit builtin.
5930 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5932 * (initialize, initialize_builtins,
5933 initialize_dependency_output, initialize_standard_includes):
5934 Rename s/initialize/init. Update.
5935 (init_dependency_output): Move to after
5936 cpp_handle_options, the correct location temporally at least.
5937 (opt_comp): Move next to init (), its caller. Fix prototype.
5938 (init): Make "initialized" local scope.
5939 (cpp_create_reader): Always call init ().
5940 (cpp_start_read): Update.
5941 (output_deps): New function, broken out of cpp_finish.
5942 (cpp_finish): Break out output_deps.
5944 2001-01-07 Richard Henderson <rth@redhat.com>
5946 * collect2.c (COFF specific stuff): Revert 12-06 patch
5947 to prototype system functions.
5949 2001-01-07 Michael Hayes <mhayes@redhat.com>
5951 * hard-reg-set.h: Add multiple include guard.
5952 * basic-block.h (struct loop): Add `sink' field.
5953 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5954 (emit_iv_add_mult): Delete.
5955 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5956 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5957 (unroll_loop): Remove end_insert_before argument.
5958 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5959 (maybe_eliminate_biv_1): Likewise.
5960 (emit_iv_add_mult): Delete.
5961 (gen_add_mult, loop_regs_update): New.
5962 (loop_insn_emit_after, loop_insn_emit_before): New.
5963 (loop_insn_sink, loop_insn_sink_or_swim): New.
5964 (emit_iv_add_mult): Delete.
5965 (scan_loop): Set loop->sink.
5966 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5967 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5968 (maybe_eliminate_biv_1): Likewise.
5969 (maybe_eliminate_biv_1): Add basic block argument.
5970 * unroll.c (unroll_loop): Remove end_insert_before argument.
5971 (find_splittable_regs): Likewise.
5972 (find_splittable_regs): Use loop_insn_sink and its ilk.
5973 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5975 2001-01-07 Michael Hayes <mhayes@redhat.com>
5977 * loop.h (loop_insn_hoist): New prototype.
5978 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5979 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5980 (check_dbra_loop, load_mems): Likewise.
5981 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5982 (find_splittable_givs): Likewise.
5984 2001-01-07 Michael Hayes <mhayes@redhat.com>
5986 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
5988 2001-01-07 Richard Henderson <rth@redhat.com>
5990 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
5992 2001-01-07 Richard Henderson <rth@redhat.com>
5994 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
5995 NO_SHARED_LIBGCC_MULTILIB as required for the target.
5996 * gcc.c (init_spec): Massage the existing libgcc_spec into a
5997 variant that handles a shared libgcc.
5998 (process_command): Always validate -{static,shared}-libgcc.
5999 (do_spec_1): New 'M' case.
6000 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6002 2001-01-07 Richard Henderson <rth@redhat.com>
6004 * Makefile.in (slibdir): New variable.
6005 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6006 (installdirs): Create slibdir.
6007 (install-libgcc, install-multilib): Defer to libgcc.mk.
6008 * configure.in (slibdir): Substitute.
6009 * mklibgcc.in (install): New target.
6011 * config/t-linux (SHLIB_LINK): Create links for the soname.
6012 (SHLIB_INSTALL): New.
6013 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6014 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6015 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6016 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6017 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6019 2001-01-07 Richard Henderson <rth@redhat.com>
6021 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6022 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6023 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6025 2001-01-07 Michael Hayes <mhayes@redhat.com>
6027 * loop.c (count_loop_regs_set): Delete.
6028 (load_mems_and_recount_loop_regs_set): Delete.
6029 (loop_regs_scan): Merge common code from count_loop_regs_set,
6030 scan_loop, and load_mems_and_recount_loop_regs_set.
6031 (scan_loop): Call load_mems directly and loop_regs_scan
6032 again if new registers created.
6034 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6036 * toplev.c (main): Call the front-end specific post_options
6037 hook if one is given.
6038 * toplev.h (struct_lang_hooks, lang_hooks): New.
6039 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6040 for the C front end.
6041 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6042 lang_hooks for the C++ front end.
6043 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6044 lang_hooks for the ObjC front end.
6045 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6046 * java/lang.c (lang_hooks): Hooks for the Java front end.
6048 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6050 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6051 for verbose DWARF[2] debugging.
6052 (cb_define, cb_undef): The new callbacks.
6053 * toplev.h (debug_define, debug_undef): Make const correct.
6054 * toplev.c (debug_define, debug_undef): Similarly. Do not
6055 perform the verbosity tests here anymore.
6057 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6059 * reload.c (subst_reloads): Take INSN argument. When
6060 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6061 * reload.h (subst_reloads): Adjust prototype.
6062 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6063 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6064 present in JUMP_INSNs and copy them to JUMP_LABEL.
6065 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6066 JUMP_INSNs and insns with REG_LABELs that are followed by
6067 JUMP_INSNs with the same REG_LABEL.
6068 * sched-rgn.c (is_cfg_nonregular): Likewise.
6069 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6071 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6073 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6075 2001-01-06 Richard Henderson <rth@redhat.com>
6077 * loop.c (scan_loop): Use xcalloc for the regs array.
6078 (load_mems_and_recount_loop_regs_set): Zero the new memory
6079 received from xrealloc.
6081 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6083 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6085 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6087 * integrate.c (copy_rtx_and_substitute): When copying
6088 an ignored return value, strip REG_FUNCTION_VALUE_P.
6090 2001-01-06 Michael Hayes <mhayes@redhat.com>
6092 * loop.c (debug_biv, debug_giv): New.
6093 (loop_biv_dump): Break out from ...
6094 (record_biv): ... here.
6095 (loop_giv_dump): Break out from ...
6096 (record_giv): ... here.
6097 (loop_bivs_check): Use print_simple_rtl.
6098 * unroll.c (loop_iterations): Use print_simple_rtl.
6100 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6102 * pa.md (return, return_internal): Modify patterns to prevent regrename
6103 mucking with the return pointer.
6105 2001-01-05 Richard Henderson <rth@redhat.com>
6107 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6109 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6111 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6112 version supplied by Matteo Frigo.
6114 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6116 * cpp.texi: Update for -MQ.
6117 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6118 (cpp_cleanup): Always free pfile->deps.
6119 (initialize_dependency_output): Don't create pfile->deps.
6120 (cpp_handle_option): Similarly.
6122 * gcc.c (cpp_options): Handle -MQ.
6123 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6124 * mkdeps.c (base_name): Remove.
6125 (deps_init): Don't allocate vector space until it's needed.
6126 (deps_free): Only free vectors if allocated.
6127 (deps_add_target, deps_add_dep): Update for initial allocation.
6128 (deps_add_default_target): Don't strip to the base_name.
6130 2001-01-05 DJ Delorie <dj@redhat.com>
6132 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6133 (INIT_EXPANDERS): Define.
6135 * config/v850/v850.c (struct machine_function): Define.
6136 (v850_save_machine_status): New function.
6137 (v850_restore_machine_status): New function.
6138 (v850_return_addr): New function.
6139 (v850_init_expanders): New function.
6141 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6142 and v850_init_expanders.
6144 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6146 * cpplib.h (struct cpp_reader): Add help_only field.
6147 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6148 (cpp_handle_option): Set pfile->help_only if we see -h,
6149 --help, -target-help, or --version. Print version string but
6150 do not set help_only if we see -v or -version. Make text
6151 printed by -v match that printed by (-)-version.
6153 * cppmain.c (main): Exit after option parsing if
6154 pfile->help_only is true.
6156 * toplev.c (independent_decode_option): Call print_version,
6157 then exit, if we see --version (but not -version).
6158 (print_version): Split lengthy message into two lines.
6160 2001-01-05 Nick Clifton <nickc@redhat.com>
6162 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6163 temporary string for initialisation before calling ggc_alloc_string.
6165 2001-01-06 Michael Hayes <mhayes@redhat.com>
6167 * rtl.h (print_simple_rtl): New.
6168 * print-rtl.c (print_simple_rtl): New.
6170 (print_rtx): Disable printing of flags and modes, etc.,
6171 if `flag_simple` nonzero.
6173 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6175 * function.c (fixup_var_refs): Use push_to_full_sequence where
6178 2001-01-05 Michael Meissner <meissner@redhat.com>
6180 * flags.h (flag_reorder_blocks): Add declaration.
6181 (flag_rename_block): Ditto.
6183 2001-01-05 DJ Delorie <dj@redhat.com>
6185 * function.c (reorder_blocks): Make sure the flags are all reset
6186 before using them to mark blocks, else a second invocation will
6187 corrupt the block chain.
6188 (reorder_blocks_0): New, resets the flags.
6190 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6192 * cse.c (find_comparison_args): Stop if the argument is known to
6195 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6197 * config/sh/sh.md (movdf): When splitting load into pair of
6198 registers, don't clobber the register used in the address too
6201 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6203 * varasm.c (mark_constant_pool): Improve initial comments.
6204 (mark_constants): Move marking of constants to mark_constant.
6205 (mark_constant): New function to recursively mark all constants
6206 referred to by a constant.
6208 2001-01-05 Catherine Moore <clm@redhat.com>
6210 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6212 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6214 * cp/lang-options.h: Bring comment in line with reality.
6215 * f/lang-options.h: Likewise.
6216 * java/lang-options.h: Likewise.
6217 * objc/lang-options.h: Likewise.
6218 * ch/lang-options.h: Likewise.
6219 * f/g77.texi: And update the manual.
6221 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6222 Denis Chertykov <denisc@overta.ru>
6224 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6225 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6226 * config/avr/avr.md (all peepholes that request a scratch register):
6227 Call it, FAIL the peephole if not safe (in interrupt functions).
6229 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6231 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6233 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6235 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6237 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6238 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6239 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6240 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6241 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6243 * extend.texi: Document these builtins.
6245 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6247 * c-common.c (lang_get_alias_set): Say we know nothing of
6248 VECTOR_TYPE aliasing.
6250 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6252 2001-01-05 Bruce Korb <bkorb@gnu.org>
6254 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6255 their x* equivalent versions for atexit-less systems
6256 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6257 systems (or any other system any more).
6259 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6261 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6262 output operands. Use arm_hard_register_operand for operand 4.
6263 (stmsi_postinc): Similarly.
6264 (ldmsi): Use arm_hard_register_operand for opernand 2.
6266 * arm.c (arm_hard_register_operand): New function.
6267 * arm-protos.h (arm_hard_register_operand): Prototype it.
6269 * arm.h (HARD_REGNO_RENAME_OK): Define.
6271 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6273 * simplify-rtx.c (cfc_args): add "unordered" field.
6274 (check_fold_consts): Set unordered field.
6275 (simplify_relational_operation): Simplify the unordered
6278 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6281 * emit-rtl.c (try_split): Fix code to mark labels.
6282 * jump.c (mark_jump_label): Make global.
6283 * rtl.h (mark_jump_label): Declare.
6285 * predict.c (estimate_probability): Handle unordred comparisons.
6287 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6289 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6290 * cppinit.c (initialize_dependency_output): Update.
6291 (cpp_finish): Output dummy targets for -MP.
6293 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6294 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6295 * gcc.c (cpp_options): Update to handle -MP.
6296 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6297 to quote only the default target.
6298 (deps_phony_targets): Insert a preceding newline. Rename from
6299 deps_dummy_targets for consistency.
6302 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6304 * calls.c (emit_library_call_value_1): Support
6305 INIT_CUMULATIVE_LIBCALL_ARGS.
6306 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6308 2001-01-04 Richard Henderson <rth@redhat.com>
6310 * c-decl.c (finish_struct): Detect flexible array members
6311 used in an inappropriate context.
6312 * c-typeck.c (really_start_incremental_init): Special case
6313 constructor_max_index for zero length arrays.
6314 (pop_init_level): Allow initialization of flexible array
6315 members. Deprecate initialization of zero length arrays.
6316 Don't issue missing initializer warning for flexible array
6317 members or zero length arrays.
6318 (process_init_element): Don't dereference null DECL_SIZE.
6319 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6320 Don't abort for empty constructors. Use size_binop
6321 (output_constructor): Add commentary regarding zero length
6322 array futures. Abort if we try to initialize an array of
6323 unspecified length with a non-empty constructor in the middle
6326 * extend.texi (Zero Length): Update and clarify documentation
6327 on static initialization.
6329 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6331 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6332 with more than 32767 words of local storage.
6334 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6336 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6337 for 'abs', 'labs', and 'fabs'.
6338 (c4x_expand_builtin): Likewise.
6339 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6341 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6343 * config/sh/sh.md (prget, prset): New insn types.
6344 (return delay slot): Dont' allow prset.
6345 (call, sfunc delay slot): Don't allow prget.
6346 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6347 for prset and prget.
6349 2001-01-05 Michael Hayes <mhayes@redhat.com>
6351 * loop.h (struct loop_reg): New.
6352 (struct loop_regs): Change to use array of `struct loop_reg'.
6353 * loop.c: Replace assortment of varrays with single regs array.
6354 (count_one_set): Delete may_not_move array argument
6355 and use regs array instead. All caller's changed.
6356 (count_loop_regs_set): Delete may_not_move and single_usage
6357 arguments and use regs array instead. All caller's changed.
6358 (find_single_use_in_loop): Replace usage array argument with pointer
6359 to regs structure. All caller's changed.
6360 (loop_optimize): Delete `moved_once' array.
6362 2001-01-05 Michael Hayes <mhayes@redhat.com>
6364 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6365 Use it instead of loop_info->has_call for scanning loop mems.
6366 (check_dbra_loop): Replace loop_info->has_call test with
6367 loop_info->has_nonconst_call.
6369 2000-01-04 Matthew Hiller <hiller@redhat.com>
6371 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6374 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6376 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6377 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6379 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6381 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6382 (flag_short_double, flag_short_wchar): Define.
6383 (c_common_nodes_and_builtins): Create many tree nodes shared
6384 between C and C++ here instead of in cp/decl.c and ...
6385 * c-decl.c (init_decl_processing): ... here.
6386 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6387 (flag_short_double, flag_short_wchar): Don't define.
6388 (record_builtin_type): New function.
6389 (build_void_list_node): New function.
6390 * c-common.h (flag_short_double, flag_short_wchar,
6391 record_builtin_type, build_void_list_node): Declare.
6393 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6395 * integrate.c (expand_inline_function): Don't put a virtual
6396 register into the reg map.
6398 * function.c (fixup_var_refs_1): If force_operand didn't put
6399 the address into the target, move it there.
6401 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6403 Special-case tree_decl/tree_list allocations.
6404 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6405 (OBJECT_SIZE): New macro.
6406 (NUM_EXTRA_ORDER): Likewise.
6407 (extra_order_size_table): New variable.
6408 (NUM_ORDERS): New macro.
6409 (objects_per_page_table): New variable.
6410 (object_size_table): New variable.
6411 (G.pages): Use NUM_ORDERS to bound the array.
6412 (G.page_tails): Likewise.
6413 (DIV_ROUND_UP): Remove.
6414 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6415 (alloc_page): Use OBJECT_SIZE.
6416 (size_lookup): Don't make it const.
6417 (ggc_alloc): Use OBJECT_SIZE.
6418 (ggc_set_mark): Likewise.
6419 (ggc_get_size): Likewise.
6420 (init_ggc): Set up the object_size_table, objects_per_page_table,
6421 and adjust size_lookup.
6422 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6423 (ggc_pop_context): Use NUM_ORDERS.
6424 (clear_marks): Likewise.
6425 (sweep_pages): Likewise.
6426 (poison_pages): Likewise.
6427 (ggc_print_statistics): Use OBJECT_SIZE.
6429 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6431 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6432 Only call array_size_for_constructor if last field and array type
6433 with no upper bound.
6435 2001-01-04 Philip Blundell <philb@gnu.org>
6437 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6438 from bit 31 downwards, if this requires no more insns.
6439 (count_insns_for_constant): New helper function for above.
6441 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6443 * gencodes.c (output_predicate_decls): Remove empty initializer.
6445 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6447 * tree.c (copy_node): Remove documentation about obstacks.
6448 (buidl1): Check that nobody tries to build 2-argument nodes this
6451 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6453 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6456 * gencodes.c (output_predicate_decls): Fill empty initializer
6459 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6461 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6462 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6464 (do_include): Handle missing headers like cpp0.
6465 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6466 paths with first include pathname. Don't strcat to uninitialized
6469 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6471 * regrename.c (regrename_optimize): Don't rename from frame pointer
6472 if frame_pointer_needed.
6473 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6474 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6475 (ia64_reorg): Use it instead of scheduling if ! optimize.
6476 (errata_emit_nops): Properly call asm_noperands.
6477 (ia64_sched_reorder): Finish cycle if we see an asm.
6478 (ia64_variable_issue): Clear scheduling state after asms.
6480 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6482 * cpp.texi: Update for -MT.
6483 * cppinit.c (initialize_dependency_output): Add a default
6484 target if none has been given already.
6485 (no_tgt, OPT_MT): New.
6486 (cpp_handle_option): Handle -MT. Update -M etc.
6487 * cpplib.h (struct cpp_options): Remove deps_target.
6488 * gcc.c (cpp_options): Handle -MT.
6489 * mkdeps.c (struct deps): Move from mkdeps.h.
6490 (deps_calc_target): Rename deps_add_default_target. Add a
6491 default target if none has been specified already.
6492 * mkdeps.h (struct deps): Move to mkdeps.c.
6493 (deps_calc_target): Rename deps_add_default_target.
6495 2000-01-03 Richard Henderson <rth@redhat.com>
6497 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6499 * c-typeck.c (push_init_level): Move checks for flexible array
6500 members and zero length arrays ...
6501 (pop_init_level): ... here. Silently discard empty initializations.
6503 * varasm.c (output_constructor): Update for sizeof change to
6506 * extend.texi (Zero Length): Clarify semantics.
6508 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6510 * configure.in (tm.h): Include isns-codes.h last.
6511 * configure: Rebuilt.
6513 2001-01-03 Richard Henderson <rth@redhat.com>
6515 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6516 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6518 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6520 * tradcpp.c (main): Make sure finclude() is called with a valid
6521 indepth value while handling -include.
6523 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6525 * gencodes.c (output_predicate_decls): New function.
6527 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6528 even if it is not the first time machmode.h is #included.
6529 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6530 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6531 * gcc.texi (Copyright): Added 2001.
6533 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6535 * c-common.c (c_common_lang_init): New function. Warn if format
6536 warning options which only have effects when used with -Wformat
6537 are used without -Wformat.
6538 * c-common.h (c_common_lang_init): Declare.
6539 * c-lang.c (lang_init): Call c_common_lang_init.
6540 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6542 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6544 * configure.in: Check for the mktemp command.
6545 * configure: Regenerate.
6546 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6547 $TEMP. Create temporary files with mktemp, if available at
6548 configure time; otherwise use set -C. Remove temporary files
6551 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6553 * configure.in: Require at least texinfo 4.0. Check for whether
6554 Pod::Man is sufficiently recent to regenerate GCC manpages.
6555 * configure: Regenerate.
6556 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6558 (GENERATED_MANPAGES): Define.
6559 (generated-manpages): New target. Depend on cpp.1 as well as
6561 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6562 configure to generated-manpages or empty) rather than on the
6563 manpages directly. Remove execute permission from installed
6564 gcov.1 as well as cpp.1.
6565 * cpp.1, gcov.1: Regenerate.
6567 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6569 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6570 tree_low_cst. Allow using cmpstrsi in more cases.
6572 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6574 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6577 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6579 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6580 * Makefile.in (HOST_CFLAGS): Mention build-make.
6582 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6584 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6587 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6589 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6592 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6595 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6596 reg_base_value and reg_known_value arrays.
6597 (init_alias_analysis): Add more cases to detect known values.
6598 * sched-deps.c (deps_may_trap_p): New function.
6599 (sched_analyze_2): Use it.
6601 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6603 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6604 don't discard an ASHIFTRT if we're shifting in a wider mode.
6606 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6608 * toplev.c (rest_of_compilation): Don't print basic block information
6609 when CFG isn't up to date.
6611 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6613 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6614 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6615 (UNALIGNED_SHORT_ASM_OP): Define.
6616 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6618 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6620 * fold-const.c (fold_convert): Fix typo.
6622 2001-01-02 Richard Henderson <rth@redhat.com>
6624 * c-common.h (ASM_INPUT_P): New.
6625 * c-parse.in (asm): Set it when needed.
6626 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6627 existance of an operand.
6629 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6631 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6632 (dwarf2out_frame_debug_expr): Likewise.
6633 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6635 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6637 * i386.c (ix86_split_to_parts): Return number of part required;
6639 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6641 (ix86_split_long_move): Use number of part returned
6642 by ix86_split_to_parts
6643 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6645 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6646 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6647 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6648 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6649 (ALIGN_MODE_128): Add TFmode.
6650 (IS_STACK_MODE): Likewise.
6651 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6652 (HARD_REGNO_OK): Support TFmodes.
6653 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6654 * i386.md (scheduler definitions): Use memory operand to determine
6655 fst/fld instructions; use mode attribute to determine real mode of
6657 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6658 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6660 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6662 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6664 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6666 * expr.c (store_constructor_field): Update ALIGN before calling
6669 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6671 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6674 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6676 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6679 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6681 * c-decl.c (start_function): Don't warn on third parameter to main.
6683 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6685 * tsystem.h: Define HAVE_DECL_GETOPT.
6687 2001-01-02 Philip Blundell <pb@futuretv.com>
6689 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6692 2001-01-02 Richard Henderson <rth@redhat.com>
6694 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6696 2001-01-02 Andreas Jaeger <aj@suse.de>
6698 * c-decl.c (c_decode_option): Remove support of
6701 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6702 (W_options): Add -Wmissing-noreturn here.
6704 * flow.c: Define lang_missing_noreturn_ok_p.
6705 (check_function_return_warnings): Use it.
6707 * c-common.h: Declare lang_missing_noreturn_ok_p.
6709 * c-lang.c (c_missing_noreturn_ok_p): New function.
6710 (lang_init): Set lang_missing_noreturn_ok_p.
6712 * invoke.texi (Warning Options): Document this.
6714 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6716 * extend.texi (C++ Extensions): New node for C++ attributes;
6717 describe init_priority and com_interface.
6718 * invoke.texi: Remove -finit-priority as it now has zero effect.
6719 * install.texi: Fix xref syntax.
6720 * md.texi: Likewise.
6722 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6724 * config.gcc (sparc64-wrs-vxworks*): New case.
6725 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6727 * config/sparc/sparc.c (sparc_override_options): Do support different
6728 pointer and architecture size.
6729 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6730 (POINTERS_EXTEND_UNSIGNED): Define.
6731 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6732 (FUNCTION_MODE): Define to be Pmode.
6733 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6735 * function.c (expand_function_end): Properly handle DECL_RESULT
6736 and copy when ptr_mode != Pmode.
6737 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6739 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6741 * c-common.c (c_common_nodes_and_builtins): Set prototype
6742 parameters for __builtin_fputs, __builtin_fputc and
6743 __builtin_fwrite. Don't declare plain fputc as a builtin.
6745 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6747 * loop.c (add_label_notes): Increment the label usage count when
6748 a note is added to an insn which refers to a CODE_LABEL.
6749 * gcse.c (add_label_notes): Likewise.
6751 2001-01-01 Andreas Jaeger <aj@suse.de>
6753 * loop.c (scan_loop): Use xmalloc to allocate movables.
6755 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6757 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6758 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6759 * reload1.c (REGISTER_MOVE_COST): Likewise.
6760 * regclass.c (REGISTER_MOVE_COST): Likewise.
6761 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6762 dimension. Adjust all users.
6763 (init_reg_sets_1): Iterate on all modes.
6764 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6765 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6766 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6767 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6768 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6769 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6770 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6771 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6772 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6773 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6774 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6775 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6776 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6777 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6778 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6779 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6780 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6781 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6782 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6783 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6784 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6785 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6786 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6787 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6788 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6789 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6790 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6792 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6794 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6795 arg VARIES_P. Call it with extra arg.
6796 (true_dependence): Likewise.
6797 * rtl.h (rtx_addr_can_trap_p): Declare.
6798 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6800 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6801 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6802 pic offset table register if it's zero. All callers changed.
6803 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6805 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6807 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6808 STRING_POOL_ADDRESS_P.
6810 * config/sparc/sparc.c (input_operand): Properly test for short op.
6812 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6813 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6814 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6815 * config/sparc/elf.h: No longer include sol2.h.
6816 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6817 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6819 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6821 2001-01-01 Michael Hayes <mhayes@redhat.com>
6823 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6824 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6825 (record_initial): Likewise.
6826 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6827 (remap_split_bivs): Likewise.
6829 2001-01-01 Michael Hayes <mhayes@redhat.com>
6831 * loop.c (loop_ivs_free): New function.
6832 (strength_reduce): Break out from...
6834 2001-01-01 Michael Hayes <mhayes@redhat.com>
6836 * loop.h (struct iv): New.
6837 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6838 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6839 'reg_biv_class' fields with 'regs' and 'n_regs'.
6840 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6841 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6842 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6844 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6846 * resource.c (mark_referenced_resources): Abort() before
6847 attempting to mark a pseudo register.
6848 (mark_set_resources): Likewise.
6850 2001-01-01 Michael Hayes <mhayes@redhat.com>
6852 * loop.h (REG_IV_CLASS): New accessor macro.
6853 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6854 * unroll.c (REG_IV_CLASS): Likewise.
6856 See ChangeLog.4 for earlier changes.