| blob | 388ec2aa67b9bbe451bcc72799e6ca1032f04caa |
1 2001-03-22 Joseph S. Myers <jsm28@cam.ac.uk>
3 * gcc.texi: Remove more obsolete documentation of bugs and
4 installation problems.
6 2001-03-21 Kazu Hirata <kazu@hxi.com>
8 * config/h8300/h8300.md (movsi_h8300hs): Split the 2nd alternative
9 into two parts.
11 2001-03-20 Jason Merrill <jason@redhat.com>
13 * collect2.c (is_ctor_dtor): Always use '_' in the file fn names,
14 not '.' or '$'.
15 * tree.c (FILE_FUNCTION_FORMAT): Likewise.
16 * varasm.c (CHKR_PREFIX): Likewise.
18 Wed Mar 21 14:27:11 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
20 * gcse.c (hash_scan_set): An expression is not anticipatible if it
21 is part of a multi-SET insn.
23 * cse.c (find_comparison_args): Remove previous change.
24 * ifcvt.c (noce_process_if_block): When moving an insn, remove any
25 REG_EQUAL notes.
27 * config/i386/i386.md (conditional_trap): Remove warning.
29 * recog.c (push_operand): Fix error in last change that caused
30 undefined symbol on many targets.
32 * sdbout.c: #include ggc.h.
33 (sdbout_init): Move to end of file.
34 Call ggc_add_tree_root for anonymous_types.
35 (sdbout_symbol): Use DECL_NAME for local, not DECL_ASSEMBLER_NAME.
36 (sdbout_one_type): Use DECL_NAME for field name.
37 * Makefile.in (sdbout.o): Show includes ggc.h.
39 Wed Mar 21 20:33:26 CET 2001 Jan Hubicka <jh@suse.cz>
41 * i386.c (override_options): Default ix86_regparm to REGPARM_MAX.
42 (override_options): Use properlimits for preferred_stack_boundary.
43 (ix86_valid_type_attribute_p): Disable stdcall and cdecl attributes
44 on x86_64.
45 (ext_register_operand): Accept DImode.
46 (load_pic_register): Abort on 64bit.
47 (gen_push): Use Pmode instead of SImode.
48 (ix86_save_reg): Pic reg is never used on 64bit.
49 (ix86_expand_prologue): Likewise.
50 (ix86_emit_save_regs): Use Pmode instead of SImode.
51 (legitimate_address_p): Check displacement for 64bit.
52 (print_operand): Avoid outputting of (%rip) on 64bit.
53 (print_operand_address): Output (%rip) where possible.
54 (split_di): Abort on 64bit registers.
55 (ix86_expand_branch): DImode comparison is simple for x86_64.
56 (memory_address_length): Recognize memory addresses formed using
57 PRE/POST modify.
58 (ix86_data_alignment, ix86_local_alignment): Align arrays to 16 bytes
59 for x86_64.
60 * i386.h (TARGET_USE_SAHF): Disable for 64bit.
62 Wed Mar 21 18:51:19 CET 2001 Jan Hubicka <jh@suse.cz>
64 * recog.c (push_operand): Recognize new format of push instructions.
66 Wed Mar 21 10:53:57 CET 2001 Jan Hubicka <jh@suse.cz>
68 * i386.md (pushqi1): New.
69 * i386-protos.h (x86_64_general_operand, x86_64_szext_general_operand,
70 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
71 x86_64_immediate_operand, x86_64_immediate_operand,
72 x86_64_zext_immediate_operand): Declare.
73 * i386.c (x86_64_general_operand, x86_64_szext_general_operand,
74 x86_64_nonmemory_operand, x86_64_szext_nonmemory_operand,
75 x86_64_immediate_operand, x86_64_immediate_operand,
76 x86_64_zext_immediate_operand): define.
77 * i386.h (PREDICATE_CODES): Add new predicates.
79 Wed Mar 21 10:25:13 CET 2001 Jan Hubicka <jh@suse.cz>
81 * i386.md (pophi1, popqi1, pushqi1): Remove.
83 * expr.c (emit_single_push_insn): New function.
84 (move_by_pieces): Accept NULL as destination for push instructions.
85 (gen_push_operand): Kill.
86 (emit_push_insn): Pass NULL when pushing; avoid updating of
87 stack_pointer_delta.
88 * expr.h (gen_push_operand): Kill.
90 Tue Mar 20 20:15:06 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
92 * rtl.texi (COMPARE): Clarify documentation and reference section
93 on comparisons.
95 2001-03-20 Stan Shebs <shebs@apple.com>
97 * objc/objc-act.c (get_static_reference): Use NULL_TREE.
98 (get_object_reference): Ditto.
99 (error_with_ivar): Use error_with_file_and_line.
100 (warn_with_method): Use warning_with_file_and_line.
102 2001-03-20 Tom Tromey <tromey@redhat.com>
104 * libgcc-std.ver: Added __fixunssfsi and __fixunsdfsi.
106 2001-03-20 Mark Mitchell <mark@codesourcery.com>
108 * tree.c (set_decl_assembler_name): Set DECL_ASSEMBLER_NAME for
109 variables that are TREE_PUBLIC, even if not TREE_STATIC.
111 2001-03-20 DJ Delorie <dj@redhat.com>
113 * Makefile.in (install-libgcc): Pass complete list of variables.
114 (install-multilib): Ditto.
116 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
118 * config/i386/cygwin.h: Declare ctor_section, dtor_section
119 drectve_section, switch_to_section.
121 * winnt.c: Declare functions associated_type, gen_stdcall_suffix,
122 i386_pe_dllexport_p, i386_pe_dllimport_p, i386_pe_mark_dllexport,
123 i386_pe_mark_dllimport.
125 2001-03-20 David Billinghurst <David.Billinghurst@riotinto.com>
127 * config/i386/cygwin.h: Include <stdio.h> Declare and constify
128 functions i386_pe_*.
130 * config/i386/winnt.c: Include "tm_p.h" and "toplev.h" Constify
131 i386_pe_* functions with char * arguments.
133 2001-03-20 Alexandre Oliva <aoliva@redhat.com>
135 * config/sh/sh.md (movsf_ie): Fix output patterns for fpul load
136 and store.
137 (movsi_ie): Introduce fpul store.
139 2001-03-20 Alan Modra <alan@linuxcare.com.au>
141 * Makefile.in (OBJS): Remove hashtab.o.
143 2001-03-19 Stan Shebs <shebs@apple.com>
145 * objc/objc-act.c (maybe_objc_method_name): Remove, never called.
146 * c-lang.c (maybe_objc_method_name): Ditto.
147 * c-tree.h (maybe_objc_method_name): Remove decl.
149 2001-03-19 Tom Tromey <tromey@redhat.com>
151 * gcc.c (init_gcc_specs): Fix comment.
153 2001-03-19 Mark Mitchell <mark@codesourcery.com>
155 Compute DECL_ASSEMBLER_NAME lazily.
156 * tree.h (DECL_ASSEMBLER_NAME): Compute it lazily.
157 (DECL_ASSEMBLER_NAME_SET_P): New macro.
158 (SET_DECL_ASSEMBLER_NAME): Likewise.
159 (COPY_DECL_ASSEMBLER_NAME): Likewise.
160 (set_decl_assembler_name): Declare.
161 (lang_set_decl_assembler_name): Likewise.
162 * tree.c (lang_set_decl_assembler_name): New variab.e
163 (set_decl_assembler_name): New function.
164 (init_obstacks): Set lang_set_decl_assembler_name.
165 (build_decl): Don't set DECL_ASSEMBLER_NAME.
166 * c-decl.c (duplicate_decls): Use SET_DECL_ASSEMBLER_NAME,
167 COPY_DECL_ASSEMBLER_NAME, etc. Don't set DECL_ASSEMBLER_NAME
168 where it's not necessary.
169 (builtin_function): Likewise.
170 (finish_decl): Likewise.
171 * dbxout.c (dbxout_type_methods): Likewise.
172 * ggc-common.c (ggc_mark_trees): Likewise.
173 * profile.c (output_func_start_profiler): Likewise.
174 * varasm.c (make_decl_rtl): Likewise.
176 * cse.c (find_comparison_args): Update documentation. Fix
177 mishandling of COMPARE operations.
179 * tree.def (ABS_EXPR): Add documentation.
180 * fold-const.c (fold): Improve folding of ABS_EXPRs.
182 2001-03-19 Zack Weinberg <zackw@stanford.edu>
184 * Makefile.in (hash.o): Depend on $(GCONFIG_H), not $(CONFIG_H).
186 2001-03-19 Jakub Jelinek <jakub@redhat.com>
188 * crtstuff.c (init_dummy): Use CRT_END_INIT_DUMMY if defined.
189 Remove ia32 linux PIC kludge and move it...
190 * config/i386/linux.h (CRT_END_INIT_DUMMY): ...here.
192 Mon Mar 19 18:53:54 CET 2001 Jan Hubicka <jh@suse.cz>
194 * i386.md (absdf2 expander): Fix 64bit case.
196 2001-03-19 Brad Lucier <lucier@math.purdue.edu>
198 * Makefile.in: Have splay-tree.o depend on $(GCONFIG_H).
200 2001-03-16 Andrew Haley <aph@cambridge.redhat.com>
202 * config/ia64/libgcc-ia64.ver: Add __ia64_backtrace.
204 2001-03-19 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
206 * README.X11: Remove obsolete file.
208 2001-03-18 Anthony Green <green@redhat.com>
210 * config/pj/pj.h: Remove some trailing commas.
211 (ASM_SPEC): Use -EB and -EL, not -mb and -ml.
213 2001-03-18 Richard Henderson <rth@redhat.com>
215 * defaults.h (ACCUMULATE_OUTGOING_ARGS, PUSH_ARGS): Move from ...
216 * calls.c: ... here.
217 * combine.c, expr.c, final.c, function.c toplev.c: Don't provide
218 defaults for them here.
220 2001-03-17 Anthony Green <green@redhat.com>
222 * config/pj/lib1funcs.S: Fix broken comment.
223 * config/pj/pj.h (LOCAL_LABEL_PREFIX): Prefix internal
224 labels with '.'.
226 2001-03-18 Joseph S. Myers <jsm28@cam.ac.uk>
228 * gcc.texi: Remove obsolete information relating to build and
229 installation problems with enquire or the Pyramid C compiler.
231 2001-03-17 Richard Henderson <rth@redhat.com>
233 * dwarf2out.c (queue_reg_save): New.
234 (flush_queued_reg_saves, clobbers_queued_reg_save): New.
235 (dwarf2out_frame_debug_expr): Call queue_reg_save instead of
236 dwarf2out_reg_save.
237 (dwarf2out_frame_debug): Call flush_queued_reg_saves when needed.
238 (cfa, cfa_store, cfa_temp): Make static.
239 * final.c (final_scan_insn): Always call dwarf2out_frame_debug.
241 2001-03-17 Richard Henderson <rth@redhat.com>
243 * integrate.h (struct inline_remap): Add local_return_label.
244 * integrate.c (expand_inline_function): Initialize it and emit
245 it after copy_insn_notes.
246 (copy_insn_list): Don't store local_return_label here.
247 (copy_insn_notes): New function split out from copy_insn_list.
249 2001-03-17 Richard Henderson <rth@redhat.com>
251 * dwarf2out.c (lookup_filename): Emit .file if the assembler
252 is generating .debug_line.
253 (dwarf2out_init): Add main_input_filename to the file table first.
254 * configure.in (as_dwarf2_debug_line): Test with file number 1
255 instead of file number 0.
257 Sat Mar 17 11:52:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
259 * combine.c (undobuf): Remove field previous_undos; all refs deleted.
260 (gen_rtx_combine): Deleted; all references changed as appropriate.
261 (gen_unary): Deleted; all refs changed to call simplify_gen_unary.
263 * print-tree.c (print_node): Print DECL_NONADDRESSABLE_P.
265 2001-03-17 David Billinghurst <David.Billinghurst@riotinto.com>
267 * config/i386/xm-cygwin.h: Include <sys/cygwin.h. Remove unused
268 variable.
270 2001-03-16 Jim Wilson <wilson@redhat.com>
272 * config/ia64/ia64.c (ia64_compute_frame_size): If reg_fp is zero,
273 then set it to LOC_REG (79) instead of aborting.
275 2001-03-16 Phil Edwards <pme@sources.redhat.com>
277 * gccbug.in: Remove high priority.
279 2001-03-16 Richard Henerson <rth@redhat.com>
281 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): Substitute leading od
282 output with a space instead of deleting it.
283 * configure: Regenerate.
285 2001-03-16 Zack Weinberg <zackw@stanford.edu>
287 * aclocal.m4 (gcc_AC_EXAMINE_OBJECT): New utility macro which
288 handles the gory details of converting an object file into
289 something that's safe to grep.
290 (gcc_AC_C_COMPILE_BIGENDIAN): Rename to
291 gcc_AC_C_COMPILE_ENDIAN. Use gcc_AC_EXAMINE_OBJECT. Put
292 newlines at either end of the string we're looking for.
293 Make 'checking ...' message less stilted.
294 (gcc_AC_C_FLOAT_FORMAT): Use gcc_AC_EXAMINE_OBJECT. Handle
295 ARM in-memory layout and its hypothetical converse. Don't
296 define HOST_FLOAT_WORDS_BIG_ENDIAN unless it's different from
297 HOST_WORDS_BIG_ENDIAN.
299 * configure.in: Adjust for renamed macro. Move
300 gcc_AC_C_FLOAT_FORMAT below gcc_AC_C_COMPILE_ENDIAN.
301 * configure, config.in: Regenerate.
303 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
305 * fixinc/Makefile.in: Set SHELL.
307 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
309 * fixinc/fixincl.c (fix_with_system): Quote file names before
310 passing them to shell.
312 2001-03-16 Laurynas Biveinis <lauras@softhome.net>
314 * Makefile.in: Use fix-header$(build_exeext) instead
315 of fix-header.
317 2001-03-16 Richard Henderson <rth@redhat.com>
319 * dwarf2out.c: Revert most of 2000-11-25 and 2001-01-24 changes.
320 (LN_PROLOG_AS_LABEL, LN_PROLOG_END_LABEL): New.
321 (size_of_line_prolog): Remove.
322 (output_line_info): Compute prologue size via label difference.
323 (lookup_filename): Return "unspecified" for <internal> and <built-in>.
325 * configure.in (HAVE_AS_DWARF2_DEBUG_LINE): Require that the
326 assembler error when redefining file numbers.
327 * config.in, configure: Rebuild.
329 * dwarf2asm.c (dw2_asm_output_data): Mask data to the output size.
330 (dw2_asm_output_data_uleb128): Use space not tab after .uleb128.
331 (dw2_asm_output_delta_uleb128): Likewise.
332 (dw2_asm_output_delta_sleb128): Similarly.
333 (dw2_asm_output_data_sleb128): Similarly. Print number in decimal.
335 2001-03-16 Michael Meissner <meissner@redhat.com>
337 * mips.h (BITMASK_HIGH): Replacement for 0x80000000 that avoids
338 warnings.
339 (BITMASK_UPPER16): Replacement for 0xffff0000 that avoids
340 warnings.
341 (BITMASK_LOWER16): Replacement for 0x0000ffff.
343 * mips.c (save_restore_insns): Use BITMASK_UPPER16/BITMASK_LOWER16
344 instead of 0xffff0000/0x0000ffff to avoid warnings about constants
345 being unsigned in ISO C and signed in traditional.
346 (expand_prologue): Ditto.
347 (RA_MASK): Use BITMASK_HIGH to avoid warnings.
349 * mips.md (divmodsi4,divmodsi4): Use BITMASK_HIGH to avoid
350 warnings.
351 (divsi3,divdi3): Ditto.
352 (modsi3,moddi3): Ditto.
353 (fix_truncdfsi2,fix_truncdfdi2): Ditto.
354 (fix_truncsfsi2,fix_truncsfdi2): Ditto.
355 (movsi split): Use BITMASK_UPPER16/BITMASK_LOWER16 to avoid
356 warnings.
358 Fri Mar 16 14:47:57 CET 2001 Jan Hubicka <jh@suse.cz>
360 * i386.c (ix86_expand_fp_movcc): Do not attempt to construct
361 SSE based conditional moves on LTGT/UNEQ conditions;
362 Canonicalize EQ to NE.
363 * i386.md (sse_mov?fcc): Disallow EQ and NE in IEEE mode.
364 (sse_mov?fcc_ne): New.
366 * i386-protos.h (sign_extended_value, zero_extended_value): Declare.
368 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
370 * config/sh/sh.c (sh_expand_prologue): Insns that set up the PIC
371 register may be dead.
373 2001-03-16 Brad Lucier <lucier@math.purdue.edu>
375 * Makefile.in (hash.o): Depend on CONFIG_H.
377 2001-03-15 Mark Mitchell <mark@codesourcery.com>
379 * dwarf2out.c (rtl_for_decl_location): Use DECL_RTL_IF_SET.
381 2001-03-15 Richard Henderson <rth@redhat.com>
383 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): New.
384 (ASM_OUTPUT_DWARF_PCREL): New.
385 * config/ia64/hpux.h (ASM_OUTPUT_DWARF_OFFSET): Remove.
387 2001-03-16 Alexandre Oliva <aoliva@redhat.com>
389 * cppfiles.c (stack_include_file): Use MAX of sysp.
391 2001-03-15 Steve Ellcey <sje@cup.hp.com>
393 * config.gcc (ia64*-*-hpux*): New case.
394 * config/ia64/hpux.h: New file for HP-UX support.
395 * config/ia64/t-hpux: New file for HP-UX support.
397 2001-03-16 Bruce Korb <bkorb@gnu.org>, Alexandre Oliva <aoliva@redhat.com>
399 * fixinc/inclhack.def (irix_stdio_va_list): New.
400 * fixinc/fixincl.x: Rebuilt.
402 2001-03-15 Richard Henderson <rth@redhat.com>
404 * dwarf2asm.c (dw2_asm_output_offset): Use ASM_OUTPUT_DWARF_OFFSET
405 if provided by the target.
406 (dw2_asm_output_pcrel): Likewise with ASM_OUTPUT_DWARF_PCREL.
407 (dw2_asm_output_addr): New.
408 * dwarf2asm.h (dw2_asm_output_addr): Declare.
409 * dwarf2out.c (output_cfi): Use it for program addresses.
410 (output_call_frame_info, output_die): Likewise.
411 (output_aranges, output_line_info): Likewise.
413 2001-03-15 Bruce Korb <bkorb@gnu.org>
415 * gcc.c(main): make more rigorous
416 * collect2.c(main): guard against ignoring SIGCHLD
417 * protoize.c(main): ditto
418 * gcc/fixinc/fixincl.c(initialize): ditto
420 2001-03-15 Mark Mitchell <mark@codesourcery.com>
422 * sdbout.c (sdbout_symbol): Use DECL_RTL_SET_P, SET_DECL_RTL.
423 (sdbout_parms): Likewise.
425 Thu Mar 15 12:57:14 2001 Jeffrey A Law (law@cygnus.com)
427 * reload1.c (reload_cse_simplify_set): For LOAD_EXTEND_OP, do not
428 "widen" a destination that is already wider than a word. Also do
429 not widen if LOAD_EXTEND_OP is NIL for the given mode.
431 2001-03-15 Bernd Schmidt <bernds@redhat.com>
433 * config/ia64/ia64.c (ia64_sched_reorder): Remove debugging aids.
435 Thu Mar 15 11:30:31 EST 2001 John Wehle (john@feith.com)
437 * i960.h (ROUND_TYPE_SIZE_UNIT): Fix typo.
439 Thu Mar 15 11:24:29 EST 2001 John Wehle (john@feith.com)
441 * i960.h (i960_maxbitalignment,
442 i960_last_maxbitalignment): Declare.
443 * i960.c (i960_maxbitalignment,
444 i960_last_maxbitalignment): Make global.
445 (process_pragma): Delete.
446 (i960_pr_align, i960_pr_noalign): Move from here ...
447 * i960-c.c: ... to this new file.
448 * t-960bare (i960-c.o): New rule.
449 * t-vxworks960 (i960-c.o): Likewise.
450 * config.gcc (i960-*-*): Define c_target_objs and
451 cxx_target_objs.
453 2001-03-15 Bernd Schmidt <bernds@redhat.com>
455 * cselib.c (hash_rtx): For REG and MEM, just use value of expression
456 without adding in rtx code and mode.
458 * alias.c (init_alias_analysis): Don't use any rtx whose value
459 varies as a known value.
460 Delete a superfluous test.
462 * config/ia64/ia64.c (maybe_rotate): New function, broken out of
463 ia64_sched_reorder.
464 (ia64_sched_reorder): Call maybe_rotate; also rotate after
465 scheduling a stop bit.
466 (ia64_emit_nops): Correctly handle ASMs.
468 2001-03-15 Mark Mitchell <mark@codesourcery.com>
470 * varasm.c (assemble_variable): Use DECL_RTL_SET_P.
472 2001-03-15 Neil Booth <neil@daikokuya.demon.co.uk>
474 * cpp.texi: Update documentation for -include and -imacros.
475 * cppfiles.c (struct include_file): Remove "defined" memeber.
476 (find_or_create_entry): Make a copy of the file name, and
477 simplify it.
478 (open_file): Update to ensure we use the simplified filename.
479 (stack_include_file): Don't set search_from.
480 (cpp_included): Don't simplify the path name here.
481 (find_include_file): New prototype. Call search_from to
482 get the start of the "" include chain. Don't simplify the
483 filenames here.
484 (_cpp_execute_include): New prototype. Move diagnostics to
485 do_include_common. Update.
486 (_cpp_pop_file_buffer): Don't set defined.
487 (search_from): New prototype. Use the preprocessor's cwd
488 for files included from the command line.
489 (read_name_map): Don't simplify the pathname here.
490 * cpphash.h (enum include_type): New.
491 (struct buffer): Delete search from. New search_cached.
492 (_cpp_execute_include): Update prototype.
493 * cppinit.c (do_includes): Use _cpp_execute_include.
494 * cpplib.c (do_include_common): New function.
495 (do_include, do_include_next, do_import): Use it.
497 2001-03-14 Mark Mitchell <mark@codesourcery.com>
499 * varasm.c (assemble_alias): Use DECL_ASSEMBLER_NAME, not the
500 contents of the RTL, to determine the name of the object.
502 2001-03-14 Mark Mitchell <mark@codesourcery.com>
504 * tree.h (DECL_RTL): Allocate RTL lazily.
505 (SET_DECL_RTL): New macro.
506 (DECL_RTL_SET_P): Likewise.
507 (COPY_DECL_RTL): Likewise.
508 (DECL_RTL_IF_SET): Likewise.
509 * varasm.c (make_decl_rtl): Add assertions about the kind of
510 declaration we are processing.
511 * c-decl.c (duplicate_decls): Use COPY_DECL_RTL, DECL_RTL_SET_P, etc.
512 (start_decl): Likewise.
513 (finish_decl): Likewise.
514 * c-semantics.c (emit_local_var): Likewise.
515 * calls.c (expand_call): Likewise.
516 * dbxout.c (dbxout_symbol): Likewise.
517 * emit-rtl.c (unshare_all_rtl): Likewise.
518 (unshare_all_decls): Likewise.
519 (reset_used_decls): Likewise.
520 * expr.c (store_constructor): Likewise.
521 (safe_from_p): Likewise.
522 (expand_expr): Likewise.
523 * function.c (put_var_into_stack): Likewise.
524 (instantiate_decls_1): Likewise.
525 (assign_parms): Likewise.
526 (expand_function_start): Likewise.
527 (expand_function_end): Likewise.
528 * ggc-common.c (gcc_mark_trees): Likewise.
529 * integrate.c (function_cannot_inline_p): Likewise.
530 (copy_decl_for_inlining): Likewise.
531 (expand_inline_function): Likewise.
532 (integrate_parm_decls): Likewise.
533 (integrate_decl_tree): Likewise.
534 * print-tree.c (print_node): Likewise.
535 * reg-stack.c (stack_result): Likewise.
536 * stmt.c (label_rtx): Likewise.
537 (expand_return): Likewise.
538 (expand_decl): Likewise.
539 (expand_decl_cleanup): Likewise.
540 (expand_anon_union_decl): Likewise.
541 * toplev.c (check_global_declarations): Likewise.
542 (rest_of_decl_compilation): Likewise.
543 * tree.c (simple_cst_equal): Likewise.
544 * objc/objc-act.c (generate_static_references): Likewise.
546 2001-03-14 Zack Weinberg <zackw@stanford.edu>
548 * aclocal.m4 (gcc_AC_C_CHARSET, gcc_AC_C_COMPILE_BIGENDIAN,
549 gcc_AC_C_FLOAT_FORMAT): New macros.
550 * configure.in: Add AC_PROG_CPP after CC tests;
551 gcc_AC_C_CHARSET and gcc_AC_C_FLOAT_FORMAT after the sizeof
552 tests; and gcc_AC_C_COMPILE_BIGENDIAN after gcc_AC_C_CHAR_BIT.
553 * configure, config.in: Regenerate.
555 * config/a29k/xm-a29k.h, config/arc/xm-arc.h,
556 config/arm/xm-arm.h, config/c4x/xm-c4x.h,
557 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
558 config/i370/xm-linux.h, config/i370/xm-oe.h,
559 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
560 config/m68k/xm-m68k.h, config/mips/xm-mips.h,
561 config/pa/xm-linux.h, config/pa/xm-pa.h,
562 config/rs6000/xm-lynx.h, config/rs6000/xm-mach.h,
563 config/rs6000/xm-rs6000.h, config/rs6000/xm-sysv4.h,
564 config/sparc/xm-sparc.h, config/vax/xm-vax.h,
565 config/we32k/xm-we32k.h: Delete.
567 * config/i370/xm-mvs.h, config/m88k/m88k.h,
568 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
569 config/vax/xm-vms.h: Don't define any of:
570 HOST_FLOAT_FORMAT, HOST_EBCDIC, HOST_WORDS_BIG_ENDIAN
572 * config/rs6000/aix.h: Define COLLECT_EXPORT_LIST here.
574 * config.gcc: Remove references to deleted files.
575 (i370-*-opened*): Use i370/xm-mvs.h (which now defines only
576 FATAL_EXIT_CODE, which is the same between oe and mvs).
578 2001-03-14 DJ Delorie <dj@redhat.com>
579 Vladimir Makarov <vmakarov@redhat.com>
581 * config/i960/i960.c (i960_function_prologue): Compute size of
582 frame according to number of registers actually saved there.
584 2001-03-14 Richard Henderson <rth@redhat.com>
586 * expr.c (emit_move_insn_1): Fix else if around #endif.
588 Wed Mar 14 22:39:12 CET 2001 Jan Hubicka <jh@suse.cz>
589 Vojtech Pavlik
591 * md.texi (machine constraints): Document 'Q', 'R', 'e' and 'Z'
592 constraints.
594 Wed Mar 14 22:26:10 CET 2001 Jan Hubicka <jh@suse.cz>
596 * i386.c (ix86_cmodel_string, ix86_cmodel): Define.
597 (override_options): Parse cmodel string.
598 (x86_64_sign_extended_value, x86_64_zero_extended_value): New.
599 * i386.h (TARGET_OPTIONS): Add "cmodel".
600 (EXTRA_CONSTRAINT): Recognize 'e' and 'Z'.
601 (enum cmodel): New.
602 (ix86_cmodel_string, ix86_cmodel): Declare.
604 Wed Mar 14 22:26:54 CET 2001 Jan Hubicka <jh@suse.cz>
606 Spot by Matt Kraai:
607 * i386.h (GENERAL_REG_P): Add missing REG_P.
609 2001-03-14 Laurynas Biveinis <lauras@softhome.net>
611 * configure.in: Use $gcc_cv_as instead of $as.
612 * configure: Regenerated.
614 2001-03-14 Neil Booth <neil@daikokuya.demon.co.uk>
616 * cppfiles.c (stack_include_file): Only increase the include
617 count if we actually process the file properly, as opposed
618 to treating it as length zero. Only call read_include_file
619 if not DO_NOT_REREAD. Handle the -H include file output
620 here.
621 (read_include_file): Remove now redundant DO_NOT_REREAD check.
622 (cpp_included, find_include_file): Simplify pathnames after
623 remapping them. If remapping, don't use the remapped file
624 name's buffer as our scratch buffer.
625 (cpp_pop_file_buffer): Replace the multiple include macro
626 only if it isn't yet set.
627 (read_name_map): Simplify remapped names when reading in.
628 (remap_filename): Move code to code path that uses it.
629 (_cpp_simplify_pathname): Return the input pointer.
630 * cpphash.h (_cpp_simplify_pathname): Update prototype.
632 2001-03-14 Mark Mitchell <mark@codesourcery.com>
634 * expr.c (expand_expr): Revove bogus conditional.
636 Wed Mar 14 19:29:50 CET 2001 Jan Hubicka <jh@suse.cz>
638 * expr.c (emit_move_insn_1): Guard PUSH_ROUNDING use by ifdef.
640 2001-03-14 Jakub Jelinek <jakub@redhat.com>
642 * reg-stack.c (stack_result): Unconditionally use
643 FUNCTION_OUTGOING_VALUE resp. FUNCTION_VALUE.
645 Wed Mar 14 16:36:25 CET 2001 Jan Hubicka <jh@suse.cz>
647 * expr.c (emit_move_insn_1): Split push of complex value when
648 no suitable push instruction exist.
650 * i386.md (QImode move/add/shift patterns): Use ANY_QI_REG_P
651 instead of QI_REG_P.
653 Tue Mar 13 22:22:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
655 * alias.c (handled_component_p, can_address_p): New functions.
656 (get_alias_set): Use them.
658 2001-03-13 Jim Wilson <wilson@redhat.com>
660 * config/ia64/ia64.c (find_gr_spill): Subtract frame_pointer_needed
661 from 80 in try_locals code.
662 (ia64_expand_prologue): Add comment pointing to find_gr_spill change.
664 2001-03-13 Zack Weinberg <zackw@stanford.edu>
666 * aclocal.m4 (gcc_AC_COMPILE_CHECK_SIZEOF, gcc_AC_C_CHAR_BIT,
667 gcc_AC_C_LONG_LONG): New.
668 * configure.in: Use them. Probe the size of short, int, long,
669 and long long/__int64 if we have them. Move all the AC_C_*
670 checks together, except gcc_AC_C_CHAR_BIT which has to go
671 after AC_CHECK_HEADERS(limits.h).
672 Take hwint.h out of host_xm_file and build_xm_file.
674 * hwint.h: Unconditionally define HOST_BITS_PER_CHAR,
675 HOST_BITS_PER_SHORT, HOST_BITS_PER_INT, HOST_BITS_PER_LONG,
676 and HOST_BITS_PER_LONGLONG in terms of SIZEOF_* and CHAR_BIT.
677 Move the HOST_WIDEST_INT setup logic here from system.h.
678 Provide HOST_WIDEST_INT even if HOST_BITS_PER_LONGLONG is not
679 defined.
680 * system.h: Include hwint.h after limits.h. HOST_WIDEST_INT
681 is now handled by hwint.h.
683 * config/alpha/xm-alpha-interix.h, config/alpha/xm-vms.h,
684 config/c4x/xm-c4x.h, config/i370/xm-oe.h,
685 config/ia64/xm-ia64.h: Don't define any of:
686 HOST_BITS_PER_LONG, HOST_BITS_PER_CHAR, HOST_BITS_PER_SHORT,
687 HOST_BITS_PER_LONGLONG.
689 * config/alpha/xm-alpha.h, config/dsp16xx/xm-dsp16xx.h,
690 config/h8300/xm-h8300.h, config/mips/iris6.h,
691 config/mn10200/xm-mn10200.h, config/pa/xm-pa64hpux.h,
692 config/sparc/xm-sp64.h: Delete.
693 * config.gcc: Remove references to deleted files.
695 * config/arm/xm-arm.h, config/mips/xm-mips.h: Don't define
696 HOST_FLOAT_FORMAT to IEEE_FLOAT_FORMAT.
697 * config/i370/xm-linux.h: Clarify floating-point situation in
698 a comment.
700 2001-03-13 Neil Booth <neil@daikokuya.demon.co.uk>
702 * cppfiles.c (NO_INCLUDE_PATH): New macro.
703 (find_include_file): Decide here which part of the include
704 chain to start the search. Complain about an empty include
705 chain in all cases apart from an abolsute file name.
706 (_cpp_execute_include): Don't choose the search chain here.
707 Don't call handle_missing_include in the case of an empty
708 include chain.
709 (_cpp_compare_file_date): Don't choose the search chain here.
710 * cpplib.c (do_include_next): Move the in-main-file diagnostic
711 here from _cpp_execute_include. Behave like #include if
712 we're in the main file.
714 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
716 * system.h (malloc, realloc, calloc, strdup): Only poison these
717 tokens when IN_GCC is defined.
719 Tue Mar 13 14:38:44 CET 2001 Jan Hubicka <jh@suse.cz>
721 * i386.md (abs?f expander): Support SSE case.
722 (abd?f_if): Add new "USE"; add splitters.
724 2001-03-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
726 * cpp.texi (poison): Explain the macro expansion exception.
728 2001-03-13 Jakub Jelinek <jakub@redhat.com>
730 * expr.c (store_expr): Add dont_store_target. If temp is already in
731 target before copying to reg, don't store it into target again.
733 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
735 * cppinternals.texi: Update for file handling.
737 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
739 * emit-rtl.c (remove_unnecessary_notes): Reverse Richard Kenner's
740 2001-02-24 which broke building the Java library.
741 * function.c (identify_blocks): Likewise.
742 (all_blocks): Likewise.
743 * integrate.c (integrate_decl_tree): Likewise.
744 * print-tree.c (print_node): Likewise.
745 * tree.h (BLOCK_NUMBER): Likewise.
746 (struct tree_block): Likewise.
748 2001-03-12 David Edelsohn <edelsohn@gnu.org>
750 * rs6000/aix51.h (CPP_SPEC, CPLUSPLUS_CPP_SPEC): Fix typo in
751 __WCHAR_TYPE__ definition.
752 (WCHAR_TYPE_SIZE): #undef before #define.
754 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
756 * cppfiles.c: Update comments.
757 (destroy_include_file_node): Rename destroy_node.
758 (find_or_create_entry): New function.
759 (open_file, _cpp_fake_include): Use it.
760 (handle_missing_header): New function, broken out of
761 _cpp_execute include. Don't segfault if there is no
762 system or quoted path.
763 (_cpp_execute_include): Use handle_missing_header.
765 2001-03-12 Jeffrey Oldham <oldham@codesourcery.com>
767 * jump.c (reversed_comparison_code_parts): Reverse Jan Hubricka's
768 2001-02-28 patch because it breaks arm-linux and mips-sgi-irix6.5.
770 Mon Mar 12 14:05:32 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
772 * flow.c (insn_dead_p): Don't consider two memrefs equivalent
773 unless anti_dependence says they are.
774 * alias.c (objects_must_conflict): If neither has a type specified,
775 they must conflict.
777 2001-03-12 Neil Booth <neil@daikokuya.demon.co.uk>
778 David Billinghurst <David.Billinghurst@riotinto.com>
780 * config/mips/iris5.h: Change WCHAR_TYPE to int.
782 Mon Mar 12 16:32:21 CET 2001 Jan Hubicka <jh@suse.cz>
784 * i386.md (trunctfdf2_2): Rename missnamed pattern.
785 (*_one_bit): Remove type on the match_operand in attributes.
787 Mon Mar 12 16:27:56 CET 2001 Jan Hubicka <jh@suse.cz>
789 * i386.c: Commit forgotten hunk in previous patch.
790 (regclass_map): Add extended registers.
791 (dbx_register_map): Add missing frame register.
793 Mon Mar 12 15:41:08 CET 2001 Jan Hubicka <jh@suse.cz>
795 * i386.md (all XFmode patterns except swapxf): Disable for 64bit.
797 * i386.md (x86_sahf_1): Disable for 64bit.
798 (popsi*, pophi*): Likewise.
799 (pushqi, pushhi): Likewise.
800 (movdi, pushdi): Likewise.
801 (zero extend DImode splitter): Likewise.
802 (adddi, minusdi splitter): Likewise.
803 (umulsidi): Likewise.
804 (umulsi): New.
805 (mulsidi): Disable for 64bit
806 (lshift:DI/ashift:DI): Disable for 64bit.
807 (loop patterns): Likewise.
808 (call_pop, call_value_pop expanders and patterns): Likewise.
809 (prologue_get_pc): Likewise.
810 (leave): Likewise.
811 (fcmovDI pattern and splitter): Likewise.
812 (movdfcc_1_rex64): New.
814 Mon Mar 12 15:16:36 CET 2001 Jan Hubicka <jh@suse.cz>
816 * i386.h (VALID_FP_MODE_P): XFmode is invalid on x86_64.
817 (MODES_TIEABLE_P): QImodes and DImodes are tiable on x86_64.
818 (HARD_REGNO_CALLER_SAVE_MODE): Save QImodes as QImodes for x86_64.
819 (STATIC_CHAIN_REGNUM): Set to r10 for x86_64.
820 (PIC_OFFSET_TABLE_REGNUM): Set to INVALID_REGNUM for x86_64.
821 (LIMIT_RELOAD_CLASS): Avoid limiting of QImodes on x86_64.
822 (SECONDARY_OUTPUT_RELOAD_CLASS): No need to QImodes.
823 (PUSH_ROUNDING): x86_64 rounds to 64bits.
824 (CONSTANT_ADDRESS_P): Accept CONST_DOUBLE.
825 (REGPARM_MAX): Set to 6 for x86_64.
826 (SSE_REGPARM_MAX): Set to 16 for x86_64.
827 * i386.c (hard_regno_mode_ok): QImodes can be in all general purpose
828 registers.
830 * (patterns that does use upper halves): Update constraints
831 'q' to 'Q' and 'r' to 'R'.
832 (cmpqi_ext_1): Disable for 64bit.
833 (cmpqi_ext_3_insn): Likewise.
834 (movqi_extzv_1): Likewsie.
835 (addqi_ext_1): Liekwsie
836 (testqi_ext_1): Liekwsie
837 (andqi_ext_1): Liekwsie
838 (xorqi_ext_1): Liekwsie
839 (cmpqi_ext_1_rex64): New.
840 (cmpqi_ext_3_insn_rex64): Likewise.
841 (movqi_extzv_1_rex64): Likewsie.
842 (addqi_ext_1_rex64): Liekwsie
843 (testqi_ext_1_rex64): Liekwsie
844 (andqi_ext_1_rex64): Liekwsie
845 (xorqi_ext_1_rex64): Liekwsie
847 2001-03-11 Zack Weinberg <zackw@stanford.edu>
849 * configure.in: Move check for unsigned enumerated bitfields
850 to macro in aclocal.m4. Disable it for now.
851 * configure, config.in: Regenerate.
852 * system.h: Don't do anything with ONLY_INT_FIELDS. Use the
853 unsigned-int form of ENUM_BITFIELD() unless being compiled by GCC.
854 * varasm.c (struct rtx_const): Use ENUM_BITFIELD(). Move enum
855 kind above its first use.
857 * config/xm-interix.h, config/alpha/xm-alpha.h,
858 config/i370/xm-linux.h, config/i386/xm-beos.h,
859 config/i386/xm-mingw32.h, config/mips/xm-mips.h,
860 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
861 config/rs6000/xm-beos.h, config/rs6000/xm-sysv4.h,
862 Don't define ONLY_INT_FIELDS under any circumstances.
864 * config/pa/xm-pa.h: Don't define __BSD_NET2__.
866 * config/pa/xm-pahpux.h, config/pa/xm-papro.h,
867 config/sparc/xm-sysv4.h: Delete - now identical with some
868 other xm header.
869 * config.gcc (hppa targets): Replace xm-pahpux.h and
870 xm-papro.h with implicit xm-pa.h.
871 (sparc targets): Replace xm-sysv4.h with implicit or explicit
872 xm-sparc.h.
874 2001-03-12 Aldy Hernandez <aldyh@redhat.com>
876 * reload1.c (reload_cse_simplify): Call reload_cse_simplify_set
877 before reload_cse_noop_set_p.
879 2001-03-11 Zack Weinberg <zackw@stanford.edu>
881 * config.gcc: Where xm-host.h used to include another
882 xm-host.h, list the nested header directly in xm_file. Remove
883 references to deleted files. Can now use sparc/xm-sp64.h for
884 sparcv9-*-solaris*.
886 * config/xm-linux.h, config/arm/xm-linux.h,
887 config/i386/xm-dos.h, config/i386/xm-gnu.h,
888 config/i386/xm-linux.h, config/i386/xm-openbsd.h,
889 config/i860/xm-fx2800.h, config/m68k/xm-atari.h,
890 config/m68k/xm-linux.h, config/m68k/xm-sun3.h,
891 config/sparc/xm-linux.h, config/sparc/xm-sysv4-64.h:
892 Delete.
894 * config/alpha/xm-alpha-interix.h: Don't include alpha/xm-alpha.h.
895 * config/mips/xm-iris5.h: Don't include mips/xm-mips.h. Don't
896 bother to wrap #undef in #ifdef.
897 * config/pa/xm-linux.h, config/rs6000/xm-sysv4.h:
898 Don't include xm-linux.h.
899 * config/sparc/xm-sp64.h: Don't include sparc/xm-sparc.h.
901 * configure.in: Wrap regexps using [] in changequote block.
902 Use expr : not echo | grep. Simplify regexps.
903 * configure: Regenerate.
905 56 xm-files remain, 22 xm-arch.
907 2001-03-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
909 * mips-tfile.c: Cast arg to PTR when specifier is HOST_PTR_PRINTF.
910 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
911 (local_index, local_rindex): Delete, use strchr/strrchr instead.
912 (copy_object): Fix format specifier vs argument mismatch.
914 * mips-tdump.c: Make local functions static.
915 (rindex): Don't #undef.
916 (__proto, PTR_T, CPTR_T): Delete, use PARAMS/PTR instead.
917 (fatal, fancy_abort): Delete.
918 (read_seek): Avoid signed/unsigned compare.
920 Sun Mar 11 17:01:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
922 * combine.c (try_combine): Fix error in change to try original
923 register.
924 (gen_rtx_combine): Do same as gen_rtx for now.
926 2001-03-11 Zack Weinberg <zackw@stanford.edu>
928 * configure.in: AC_SUBST xm_defines.
929 * configure: Regenerate.
930 * Makefile.in: Set DEFINES=$(xm_defines) when building
931 tconfig.h.
933 2001-03-11 Neil Booth <neil@daikokuya.demon.co.uk>
935 * cppfiles.c (INCLUDE_LEN_FUDGE, ENOMEM): Delete.
936 (cpp_included, find_include_file): Update.
937 (_cpp_compare_file_date): Make else unconditional.
939 2001-03-10 kaz Kojima <kkojima@rr.iij4u.or.jp>
941 * config/sh/sh.h (LEGITIMATE_PIC_OPERAND_P): Defined.
943 2001-03-10 Toshiyasu Morita <toshiyasu.morita@hsa.hitachi.com>
945 * config/sh/sh.md (umulhisi3_i, mulhisi3_i): Fix mnemonics.
946 * config/sh/lib1funcs.asm (mulsi3): Convert mulu to mulu.w.
948 Sat Mar 10 22:42:05 2001 Alexandre Oliva <aoliva@redhat.com>
950 * tree.c (build_common_tree_nodes_2): Don't copy va_list_type_node
951 if it's a record type.
953 Sat Mar 10 17:52:54 2001 Christopher Faylor <cgf@cygnus.com>
955 * config/i386/cygwin.h: Make ../w32api a system directory. Reorganize
956 mingw includes slightly.
958 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
960 * system.h (malloc, realloc, calloc, strdup, bzero, bcmp, rindex):
961 #undef token before poisoning it.
963 2001-03-10 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
965 * alpha.c (check_float_value): Use memcpy, not bcopy.
967 * m32r.c (m32r_sched_reorder): Likewise.
969 * vax.c (check_float_value): Likewise.
971 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
973 * toplev.c (file_name_nondirectory): Remove.
974 * toplev.h: Similarly.
975 * dwarf2out.c (compute_section_prefix): Use lbasename instead
976 of file_name_nondirectory.
978 Sat Mar 10 10:36:45 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
980 * mips-tdump.c (read_seek): Call xmalloc, not malloc.
981 * mips-tfile.c: Don't #undef rindex; not used.
983 Sat Mar 10 14:34:59 CET 2001 Jan Hubicka <jh@suse.cz>
985 * i386.h (DBX_REGISTER_NUMBER): Return proper values for 64bits.
986 (dbx64_register_map): Declare.
987 (RETURN_ADDR_RTX): Fix for 64bit.
988 (DWARF_FRAME_RETURN_COLUMN): Set to 16 for 64bit.
989 (INCOMING_FRAME_SP_OFFSET): Set to 8.
990 * i386.c (dbx64_register_map): New global array.
991 * beos-elf.h, freebsd.h, i386-interix.h, i386elf.h,
992 linux.h (DBX_REGISTER_REGNUMBER): Use dbx64_register_map
993 for 64bits.
995 2001-03-10 Neil Booth <neil@daikokuya.demon.co.uk>
997 * cppfiles.c (search_from): Use lbasename.
998 * mkdeps.c (deps_add_default_target): Use lbasename.
1000 2001-03-09 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1002 * fixinc/server.c (load_data, run_shell): Use xmalloc, xrealloc &
1003 xcalloc in lieu of malloc, realloc & calloc.
1005 * gencheck.c (xmalloc): Use really_call_malloc, not malloc.
1007 * gengenrtl.c (xmalloc): Likewise.
1009 * gensupport.c (xcalloc, xrealloc, xmalloc): Use the
1010 really_call_* memory allocation routines.
1012 * stmt.c (check_for_full_enumeration_handling): Use
1013 really_call_calloc, not calloc.
1015 * system.h (really_call_malloc, really_call_calloc,
1016 really_call_realloc): Define.
1017 (malloc, realloc, calloc, strdup, bzero, bcmp, rindex): Poison.
1019 Fri Mar 9 18:39:19 2001 Jeffrey A Law (law@cygnus.com)
1021 * pa.md (builtin_longjmp): Rework slightly to work for PA64 too.
1023 2001-03-09 Nicola Pero <n.pero@mi.flashnet.it>
1025 * configure: Rebuilt.
1026 * configure.in: Only use `lang_requires' for languages athat are
1027 actually enabled.
1029 2001-03-09 Joseph S. Myers <jsm28@cam.ac.uk>
1031 * invoke.texi: Fix typo.
1032 * gcc.1: Regenerate.
1034 2001-03-09 Zack Weinberg <zackw@stanford.edu>
1036 * configure.in: Prune nonexistent files from build_xm_file,
1037 xm_file, and host_xm_file lists. Warn unless they're
1038 $cpu/xm-$cpu.h.
1039 Don't generate *config.h here.
1040 AC_SUBST all variables needed to generate *config.h.
1041 * configure: Regenerate.
1042 * mkconfig.sh: New helper script, from code removed from
1043 configure.in.
1044 * Makefile.in: Zap all MALLOC variables - no longer used
1045 anywhere, and malloc.c doesn't exist.
1046 Substitute in variables needed to generate *config.h.
1047 Stop lying about the dependencies contained in CONFIG_H and
1048 GCONFIG_H.
1049 (HCONFIG_H, TCONFIG_H, TM_P_H): New variables.
1050 (config.h, hconfig.h, tconfig.h, tm_p.h, cs-config.h,
1051 cs-hconfig.h, cs-tconfig.h, cs-tm_p.h): New rules.
1052 (all .o): Add dependencies on $(HCONFIG_H), $(TCONFIG_H),
1053 $(TM_P_H), etc. as appropriate.
1055 * config.gcc: Zap references to deleted files.
1056 * ggc-none.c: Don't include rtl.h or tm_p.h.
1058 * config/i386/xm-beos.h, config/i386/xm-dgux.h,
1059 config/i386/xm-djgpp.h, config/i386/xm-dos.h,
1060 config/i386/xm-gnu.h, config/i386/xm-i386-interix.h,
1061 config/i386/xm-linux.h, config/i386/xm-linux.h,
1062 config/i386/xm-next.h, config/i386/xm-openbsd.h,
1063 config/i386/xm-sun.h, config/i386/xm-sysv3.h:
1064 Don't include i386/xm-i386.h.
1066 * config/elxsi/xm-elxsi.h, config/i386/xm-bsd386.h,
1067 config/i386/xm-i386.h, config/i860/xm-i860.h,
1068 config/i960/xm-i960.h, config/mcore/xm-mcore.h,
1069 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1070 config/pj/xm-pj.h, config/sh/xm-sh.h, config/v850/xm-v850.h:
1071 Delete (empty except comments, #includes of other deleted
1072 files, and macros used nowhere).
1074 Fri Mar 9 20:05:27 CET 2001 Jan Hubicka <jh@suse.cz>
1076 * i386.h (MAX_WCHAR_TYPE_SIZE): New constant to keep tradcpp
1077 independent on TARGET_FLAGS.
1079 Fri Mar 9 19:52:52 CET 2001 Jan Hubicka <jh@suse.cz>
1081 * i386.h (FIRST_PSEUDO_REGISTER): Set to 53.
1083 (FIXED_REGISTERS, CALL_USED_REGISTERS, REG_ALLOC_ONES): Add
1084 extended ones.
1085 (CONDITIONAL_REGISTER_USAGE): Set proper values according to
1086 TARGET_64BIT.
1087 (FIRST_REX_INT_REG, LAST_REX_INT_REG, FIRST_REX_SSE_REG,
1088 LAST_REX_SSE_REG): define.
1089 (enum reg_class): Add 'LEGACY_REGS'
1090 (REG_CLASS_CONTENTS): Likewise; add extended registers.
1091 (SSE_REGNO_P): Recognize extended registers.
1092 (ANY_QI_REG_P, REX_INT_REGNO_P, REX_INT_REG_P): New.
1093 (REG_CLASS_FROM_LETTER): Add 'R' and 'Q'.
1094 (REGNO_OK_FOR_INDEX_P, REGNO_OK_FOR_BASE_P,
1095 REG_OK_FOR_BASE_NONSTRICT_P): Recognize REX registers.
1096 (REG_OK_FOR_STRREG_NONSTRICT_P, REG_OK_FOR_STRREG_STRICT_P,
1097 REG_OK_FOR_STRREG_P): Remove.
1098 (HI_REGISTER_NAMES): Add extended registers.
1099 (ADDITIONAL_REGISTER_NAMES): Likewise.
1100 (QI_REGISTER_NAMES): Add 8bit extended registers.
1101 (DEBUG_REG): Support extended registers.
1102 * i386.c (regclass_map): Add extended registers.
1103 (dbx_register-map): Likewise.
1104 (svr4_dbx_register_map): Likewise.
1105 (print_reg): Support extended registers.
1106 (print_operand): Support 64bit operands.
1108 Fri Mar 9 19:37:46 CET 2001 Jan Hubicka <jh@suse.cz>
1110 * i386.h (LIBGCC2_LONG_DOUBLE_TYPE_SIZE): Set to 128bit for x86_64
1111 (BOOL_TYPE_SIZE, SHORT_TYPE_SIZE, INT_TYPE_SIZE,
1112 FLOAT_TYPE_SIZE, LONG_TYPE_SIZE, MAX_LONG_TYPE_SIZE,
1113 DOUBLE_TYPE_SIZE, LONG_LONG_TYPE_SIZE): New constants.
1114 (BITS_PER_WORD, UNITS_PER_WORD, POINTER_SIZE, PARM_BOUNDARY,
1115 STACK_BOUNDARY): Set properly for 64bits.
1116 (MAX_BITS_PER_WORD, MIN_UNITS_PER_WORD): New constants.
1117 (EMPTY_FIELD_BOUNDARY): Define using BITS_PER_WORD.
1118 (BIGGEST_FIELD_ALIGNMENT): Set to 128 for 64bits.
1119 (MOVE_MAX): Set to 16.
1120 (MOVE_MAX_PIECES): 8 for 64bit.
1121 (Pmode): Set to SImode.
1123 Fri Mar 9 09:00:36 2001 Mike Stump <mrs@wrs.com>
1125 * cselib.c (hash_rtx): Ensure that hash isn't zero upon return.
1127 Fri Mar 9 17:38:08 CET 2001 Jan Hubicka <jh@suse.cz>
1129 * i386.h (mask_64bit): New constant.
1130 (target_64bit): New macro.
1131 (target_options): Add '64'/'32'
1132 (target_default): Define.
1133 * cygwin.h freebsd-aout.h i386-interix.h i386.h i386elf.h isc.h
1134 isccoff.h netbsd.h next.h openbsd.h p sco.h sco5.h scodbx.h sequent.h
1135 unix.h win32.h (TARGET_DEFAULT): Rename to TARGET_SUBTARGET_DEFAULT.
1137 Thu Mar 8 23:36:56 2001 Jeffrey A Law (law@cygnus.com)
1139 * config/pa/som.h (MAKE_DECL_ONE_ONLY, ASM_WEAKEN_LABEL): Disable.
1141 Thu Mar 8 23:29:37 2001 John Wehle (john@feith.com)
1143 * rtlanal.c (rtx_varies_p): Check operand 0 of a
1144 LO_SUM unless for_alias is set.
1146 2001-03-08 Stan Shebs <shebs@apple.com>
1148 * objc/objc-act.c: Fix old typos in comments, add comments for
1149 various functions.
1150 (hash_init): Fix file name in error message.
1151 (hash_enter): Ditto.
1152 (hash_add_attr): Ditto.
1153 (continue_class): Ditto.
1155 2001-03-08 Bruce Korb <bkorb@gnu.org>
1157 gcc.c(main): ensure SIGCHLD handling is set to SIG_DFL so that
1158 wait4() can receive the signal.
1160 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1162 * fixinc/inclhack.def (AAB_dgux_int_varargs): Don't use HTML
1163 entities.
1164 * fixinc/fixincl.x: Regenerate.
1166 Thu Mar 8 21:09:10 2001 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
1168 * fixinc/inclhack.def (AAA_standards): Undo <standards.h> breakage
1169 on Tru64 UNIX.
1170 * fixinc/fixincl.x: Regenerate.
1172 2001-03-08 Richard Henderson <rth@redhat.com>
1174 * configure.in (HAVE_AS_LEB128): New assembler check.
1175 * configure, config.in: Rebuilt.
1177 Thu Mar 8 19:54:04 CET 2001 Jan Hubicka <jh@suse.cz>
1179 * reg-stack.c (move_for_stack_reg): Avoid non-poping fst for
1180 TFmode too.
1182 2001-03-08 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1184 * config/ns32k/xm-pc532-min.h, config/we32k/xm-we32k.h: Delete
1185 references to the MAXPATHLEN macro.
1187 * config/alpha/xm-alpha.h, config/arm/xm-arm.h,
1188 config/i386/xm-cygwin.h, config/xm-linux.h: Delete references to
1189 the POSIX macro.
1191 * config/i386/xm-gnu.h, config/xm-gnu.h,
1192 config/alpha/xm-openbsd.h, config/i386/xm-openbsd.h,
1193 config/m68k/xm-openbsd.h, config/mips/xm-openbsd.h,
1194 config/sparc/xm-openbsd.h, config/xm-openbsd.h: Delete empty
1195 and/or unused files.
1197 * config.gcc: Define POSIX in xm_defines as appropriate in lieu of
1198 doing so in various xm-*.h files.
1200 Thu Mar 8 06:32:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
1202 * config/i386/i386.md (clrstrsi): Call ix86_set_move_mem_attrs.
1204 2001-03-08 Alexandre Oliva <aoliva@redhat.com>
1206 * configure.in (enable_shared): Support per-package shared-library
1207 enabling.
1208 * configure: Rebuilt.
1210 2001-03-07 David Edelsohn <edelsohn@gnu.org>
1212 * rs6000.md (cr logic): Add original POWER mnemonic alternative
1213 for crnot. Set operands[5] in splitter.
1215 2001-03-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1217 * config/i370/xm-mvs.h, config/i370/xm-oe.h,
1218 config/i386/xm-beos.h, config/i386/xm-mingw32.h,
1219 config/m88k/xm-m88k.h, config/mips/xm-iris6.h,
1220 config/mips/xm-openbsd.h, config/pa/xm-pa64hpux.h,
1221 config/pa/xm-pahpux.h, config/rs6000/xm-beos.h,
1222 config/rs6000/xm-darwin.h, config/rs6000/xm-mach.h,
1223 config/rs6000/xm-rs6000.h, config/xm-interix.h: Delete references
1224 to the USG macro.
1226 * config/vax/xm-vaxv.h, config/a29k/xm-unix.h,
1227 config/i370/xm-i370.h, config/i386/xm-dgux.h,
1228 config/i386/xm-sun.h, config/i386/xm-sysv3.h,
1229 config/m68k/xm-tower.h, config/m68k/xm-aux.h,
1230 config/m68k/xm-hp320.h, config/m68k/xm-amix.h,
1231 config/m68k/xm-altos3068.h, config/m68k/xm-mot3300.h,
1232 config/m68k/xm-m68kv.h, config/m88k/xm-openbsd.h,
1233 config/mips/xm-nws3250v4.h, config/mips/xm-sysv.h,
1234 config/mips/xm-iris3.h, config/mips/xm-iris4.h, config/xm-svr3.h,
1235 config/xm-svr4.h, config/sparc/xm-pbd.h, config/clipper/xm-clix.h:
1236 Delete unused and/or empty files.
1238 * config.gcc: Define USG in xm_defines as appropriate. Define
1239 POSIX in lieu of xm-svr4.h. Delete all references to the SVR3
1240 macro. Remove deleted xm-* files from $xm_files variable.
1242 2001-03-07 Tom Tromey <tromey@redhat.com>
1244 * configure: Rebuilt.
1245 * configure.in: Allow config-lang.in to set `lang_requires' to list
1246 of other required languages.
1248 2001-03-07 Andrew MacLeod <amacleod@redhat.com>
1250 * config/a29k/a29k.c (print_operand): Free a29k_last_prologue_insn
1251 after its emitted.
1252 (output_prologue): Use xmalloc not oballoc.
1253 (output_epilog): Free a29k_first_epilogue_insn when finished.
1254 * confif/a29k/a29k.h (PREDICATE_CODES): Remove shift_constant_operand.
1256 2001-03-07 Brad Lucier <lucier@math.purdue.edu>
1258 * builtins.c (expand_builtin_mathfn): Check
1259 flag_unsafe_math_optimizations, not flag_fast_math.
1260 (expand_builtin): Likewise
1261 * combine.c (combine_simplify_rtx): Likewise.
1262 (simplify_if_then_else): Likewise.
1263 * cse.c (fold_rtx): Likewise.
1264 * flags.h: Remove flag_fast_math. Add
1265 flag_unsafe_math_optimizations and flag_trapping_math.
1266 * fold-const.c (negate_expr): Check
1267 flag_unsafe_math_optimizations, not flag_fast_math.
1268 (invert_truthvalue): Likewise.
1269 (fold): Likewise. Before associating operands, check that
1270 code == MULT_EXPR, not code != MULT_EXPR.
1271 * ifcvt.c (noce_try_minmax): Check
1272 flag_unsafe_math_optimizations, not flag_fast_math.
1273 (noce_operand_ok): Check flag_trapping_math, not flag_fast_math.
1274 * invoke.texi: Document -funsafe-math-optimizations and
1275 -fno-trapping-math. Change documentation for -ffast-math.
1276 * jump.c (reversed_comparison_code_parts): Likewise.
1277 (rtx_equal_for_thread_p): Likewise.
1278 * optabs.c (emit_conditional_move): Likewise.
1279 * simplify-rtx.c (simplify_binary_operation): Likewise.
1280 (simplify_relational_operation): Likewise.
1281 (simplify_ternary_operation): Likewise.
1282 * toplev.c: Remove flag_fast_math. Add flag_trapping_math and
1283 flag_unsafe_math_optimizations. Remove fast-math entry from f_options.
1284 Add trapping-math and unsafe-math-optimizations entries to f_options.
1285 (set_fast_math_flags): New, sets flags for -ffast-math.
1286 (set_no_fast_math_flags): New, sets flags for -fno-fast-math.
1287 (decode_f_option): Add code to handle -ffast-math and -fno-fast-math.
1288 * toplev.h: Declare set_fast_math_flags and set_no_fast_math_flags.
1290 * config/alpha/alpha.c (alpha_emit_conditional_branch): Likewise.
1291 (alpha_emit_conditional_move): Initialize local_fast_math to
1292 flag_unsafe_math_optimizations, not flat_fast_math.
1293 * config/c4x/c4x.c (c4x_override_options): Call set_fast_math_flags
1294 instead of setting flag_fast_math to 1.
1295 * config/convex/convex.md: Check flag_unsafe_math_optimizations,
1296 not flag_fast_math.
1297 * config/i386/i386.c (override_options): Likewise
1298 * config/i386/i386.md: Likewise.
1299 * config/m68k/m68k.md: Likewise.
1300 * config/mips/mips.md: Likewise.
1301 * config/rs6000/rs6000.c (validate_condition_mode): Likewise.
1302 (rs6000_generate_compare): Likewise.
1304 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1306 * Makefile.in: Set RANLIB to @RANLIB@.
1307 Remove RANLIB_TEST.
1309 2001-03-07 Laurynas Biveinis <lauras@softhome.net>
1311 * fixinc/inclhack.def (djgpp_wchar_h): New test.
1312 * fixinc/fixincl.x: Regenerated.
1314 2001-03-07 Richard Henderson <rth@redhat.com>
1316 * config/alpha/alpha.md (call_osf_1_noreturn): New pattern.
1318 2001-03-07 Richard Henderson <rth@redhat.com>
1320 * emit-rtl.c (remove_unnecessary_notes): Verify proper nesting
1321 of block notes and exception handling notes.
1323 * lists.c (init_EXPR_INSN_LIST_cache): Don't check initialized.
1324 * toplev.c (rest_of_compilation): Call init_EXPR_INSN_LIST_cache ...
1325 (compile_file): ... here.
1327 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1329 * fixinc/Makefile.in (FIXINC_DEFS): Add -DHAVE_CONFIG_H.
1331 * fixinc/gnu-regex.c: Don't include auto-host.h since we get
1332 config.h now. Include libiberty.h to handle alloca.
1334 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1336 * c-parse.in (yylexname): New function, split out of _yylex.
1337 (objc_rid_sans_at): New table.
1338 (init_reswords): Initialize it.
1339 (_yylex): Give labels clearer names. Handle CPP_ATSIGN by
1340 retrieving the next token and checking it for significance as
1341 an ObjC keyword or string constant.
1343 * cpplex.c (_cpp_lex_token): Just return CPP_ATSIGN for '@'.
1344 * cpplib.h (TTYPE_TABLE): Add CPP_ATSIGN, drop CPP_OSTRING.
1346 * c-lex.c, c-parse.in, cppmacro.c, cpplex.c: Remove references
1347 to CPP_OSTRING.
1349 2001-03-06 Stephen L Moshier <moshier@mediaone.net>
1351 * config/m68k/m68k.c (const_uint32_operand): Accept any
1352 const_int on a 32-bit host.
1354 2001-03-06 Nicola Pero <n.pero@mi.flashnet.it>
1356 * objc/objc-act.c (init_objc): Set save_lang_status,
1357 restore_lang_status, and mark_lang_status.
1359 2001-03-06 Krister Walfridsson <cato@df.lth.se>
1361 * dwarf2asm.c (dw2_asm_output_delta): Fix smallest_mode_for_size call.
1363 2001-03-06 Neil Booth <neil@daikokuya.demon.co.uk>
1365 * cppinternals.texi: Update.
1367 2001-03-06 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1369 * config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1370 config/alpha/xm-alpha.h, config/arc/xm-arc.h, config/arm/xm-arm.h,
1371 config/c4x/xm-c4x.h, config/clipper/xm-clix.h,
1372 config/convex/xm-convex.h, config/d30v/xm-d30v.h,
1373 config/dsp16xx/xm-dsp16xx.h, config/elxsi/xm-elxsi.h,
1374 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1375 config/i370/xm-linux.h, config/i370/xm-mvs.h, config/i370/xm-oe.h,
1376 config/i386/xm-i386.h, config/i860/xm-i860.h,
1377 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1378 config/m32r/xm-m32r.h, config/m68k/xm-m68k.h,
1379 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1380 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1381 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1382 config/pa/xm-linux.h, config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1383 config/pa/xm-pahpux.h, config/pa/xm-papro.h, config/pj/xm-pj.h,
1384 config/romp/xm-romp.h, config/rs6000/xm-beos.h,
1385 config/rs6000/xm-lynx.h, config/rs6000/xm-rs6000.h,
1386 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1387 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1388 config/v850/xm-v850.h, config/vax/xm-vax.h, config/vax/xm-vms.h,
1389 config/we32k/xm-we32k.h: Delete HOST_BITS_PER_* definitions which
1390 match the defaults provided in hwint.h.
1392 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1393 config/sparc/xm-lynx.h, config/xm-std32.h: Delete files.
1395 * config.gcc (xm_file): Don't set to files which are deleted.
1397 * hwint.h: Provide default values for HOST_BITS_PER_*. No longer
1398 guard this file against these macros being undefined.
1400 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1402 * objc/objc-act.c (objc_add_static_instance): Set DECL_INITIAL
1403 and DECL_DEFER_OUTPUT on the decl we create, before calling
1404 rest_of_decl_compilation.
1406 2001-03-06 Zack Weinberg <zackw@stanford.edu>
1408 * aclocal.m4 (AM_GNU_GETTEXT): Don't AC_REQUIRE
1409 AC_FUNC_ALLOCA.
1410 * configure, config.in: Regenerate.
1411 * config.gcc: Remove references to deleted files.
1413 * genattr.c, genattrtab.c, genextract.c, genoutput.c,
1414 genrecog.c, rtl.c: Do not use alloca anywhere.
1416 * Makefile.in, build-make, system.h, config/x-interix,
1417 config/x-svr4, config/xm-interix.h, config/xm-openbsd.h,
1418 config/alpha/xm-alpha.h, config/alpha/xm-vms.h,
1419 config/arc/xm-arc.h, config/arm/xm-arm.h,
1420 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1421 config/h8300/xm-h8300.h, config/i370/x-oe,
1422 config/i370/xm-linux.h, config/i386/x-aix, config/i386/x-beos,
1423 config/i386/x-ncr3000, config/i386/x-sco5,
1424 config/i386/xm-dgux.h, config/i860/x-sysv4,
1425 config/i960/xm-i960.h, config/m32r/xm-m32r.h,
1426 config/m68k/x-crds, config/m68k/x-dpx2, config/m68k/x-hp320,
1427 config/m68k/x-hp320g, config/m69k/x-mot3300,
1428 config/m68k/x-mot3300-gas, config/m68k/xm-amix.h,
1429 config/m68k/xm-hp320.h, config/m68k/xm-m68kv.h,
1430 config/m68k/xm-mot3300.h, config/m88k/x-dolph,
1431 config/m88k/x-sysv4, config/m88k/x-tekXD88,
1432 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1433 config/mips/x-iris, config/mips/x-iris3,
1434 config/mips/x-sni-svr4, config/mips/x-sysv,
1435 config/mips/xm-iris6.h, config/mips/xm-mips.h,
1436 config/mips/xm-nws3250v4.h, config/pa/x-hpux,
1437 config/pa/x-pa-mpeix, config/pa/xm-pa.h,
1438 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1439 config/pa/xm-papro.h, config/romp/xm-romp.h,
1440 config/rs6000/x-aix31, config/rs6000/x-aix41,
1441 config/rs6000/x-beos, config/rs6000/x-lynx,
1442 config/rs6000/x-mach, config/rs6000/x-rs6000,
1443 config/rs6000/x-sysv4, config/rs6000/xm-rs6000.h,
1444 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1445 config/sparc/x-sysv4, config/sparc/xm-linux.h,
1446 config/sparc/xm-pbd.h, config/sparc/xm-sparc.h,
1447 config/vax/xm-vms.h: Eradicate all references to alloca and
1448 related stuff.
1450 * config/xm-alloca.h, config/clipper/x-clix,
1451 config/i386/xm-sysv4.h, config/i860/x-fx2800,
1452 config/i860/x-sysv3, config/m88k/x-sysv3,
1453 config/sparc/xm-sol2.h, config/we32k/x-we32k: Delete
1454 (contained only alloca related hacks).
1456 * config/i386/xm-beos.h, config/rs6000/xm-beos.h: Just define
1457 USE_C_ALLOCA.
1459 2001-03-05 Brad Lucier <lucier@math.purdue.edu>
1461 * invoke.texi: Document __FAST_MATH__.
1463 2001-03-05 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
1465 * crtstuff.c: Restore include of auto-host.h.
1467 2001-03-05 Fergus Henderson <fjh@cs.mu.oz.au>
1469 Put main() in a separate file, so that the language
1470 front-end can use a different main().
1472 * main.c: New.
1473 * toplev.c: (main): Rename as toplev_main.
1474 * toplev.h: Declare toplev_main.
1475 * Makefile.in (OBJS): add toplev.o.
1476 (BACKEND): remove toplev.o, add main.o.
1478 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1480 * cppfiles.c (search_from): Special case the empty string.
1482 2001-03-04 Neil Booth <neil@daikokuya.demon.co.uk>
1484 * cppfiles.c (_cpp_execute_include): Don't make a null-terminated
1485 copy of the filename. Don't use CPP_PREV_BUFFER. Don't call
1486 strlen or strcpy; we already know the length.
1487 (_cpp_compare_file_date): Similarly.
1488 * cpphash.h (struct cpp_reader): Delete done_initialising.
1489 (CPP_PREV_BUFFER): Delete.
1490 * cppinit.c (cpp_start_read): Don't set done_initialising.
1491 * cpplex.c (parse_string): Guarantee null-termination.
1492 (_cpp_equiv_toklists): Remove.
1493 * cpplib.c (glue_header_name): Null-terminate.
1494 (do_line): Don't leak memory.
1495 * cpplib.h (BT_WEAK): Delete.
1496 * cppmain.c (cb_ident): Strings are now null-terminated.
1498 2001-03-04 Laurynas Biveinis <lauras@softhome.net>
1500 * gcc.c (convert_filename): Append executable suffix
1501 if NO_AUTO_EXE_SUFFIX is not defined.
1502 * gcc.texi: Document NO_AUTO_EXE_SUFFIX.
1503 * config/i386/djgpp.h: Define NO_AUTO_EXE_SUFFIX.
1505 2001-03-03 David O'Brien <obrien@FreeBSD.org>
1507 from 2000-09-06 Zack Weinberg <zack@wolery.cumb.org>
1508 * c-parse.gperf, c-gperf.h: Delete.
1509 (c-gperf.h was accidently re-added to the CVS repo in the rev
1510 1.16 commit by tromey)
1512 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1514 * cpplex.c (_cpp_lex_token): Don't warn about directives in
1515 macro arguments when looking for the '('.
1516 * cppmacro.c (funlike_invocation_p): Set parsing_args to
1517 2 when really parsing arguments; 1 when looking for '('.
1518 Always restore the lexer position.
1520 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1522 * longlong.h (umul_ppmm): Don't use a multiline string.
1524 2001-03-03 John David Anglin <dave@hiauly1.hia.nrc.ca>
1526 * fixinc/fixlib.h (t_bool): Add identifier `t_bool' in typedef.
1527 * fixinc/server.c (read_pipe_timeout): Use enum t_bool instead of
1528 t_bool in declaration because pcc can't combine volatile with typedef
1529 types.
1531 Sat Mar 3 19:47:13 CET 2001 Jan Hubicka <jh@suse.cz>
1533 * i386.c (ix86_expand_fp_compare): Delay creating of scratch register
1534 until when it is really needed.
1535 (ix86_expand_compare): Update call of ix86_expand_fp_compare.
1536 * i386.h (PREDICATE_CODES): Add all codes for sse_comparison_operator
1537 * i386.md (float?i?f splitter): Don't force source operand to memory
1538 for SSE.
1539 (sse_movdfcc): Fix constraint.
1540 (sse_movdfcc splitter): Handle properly the second alternative.
1542 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1544 * cpplex.c (parse_string): Unconditionally pedwarn.
1546 2001-03-03 Neil Booth <neil@daikokuya.demon.co.uk>
1548 * cpp.texi: Update.
1549 * cppexp.c (parse_number): Update.
1550 * cpplex.c (parse_string): Pedwarn if multiline string does not
1551 result from a system header's macro.
1552 * cpplib.h (sys_objmacro_p): Rename sys_macro_p.
1553 * cppmacro.c (sys_objmacro_p): Rename sys_macro_p. Return true
1554 for function-like macros too.
1555 * c-lex.c (lex_number): Update.
1557 2001-03-03 Richard Henderson <rth@redhat.com>
1559 * dwarf2out.c (output_call_frame_info): Fix augmentation length.
1561 Sat Mar 3 04:17:17 2001 J"orn Rennecke <amylaar@redhat.com>
1563 * combine.c (try_combine): If split with mode-changed scratch
1564 register didn't work, try the original mode.
1566 Sat Mar 3 03:46:47 2001 J"orn Rennecke <amylaar@redhat.com>
1568 * tm.texi: Change STRUCT_FORCE_BLK to MEMBER_TYPE_FORCES_BLK.
1569 * config/c4x/c4x.h: Likewise.
1570 * stor-layout.c (compute_record_mode): Likewise.
1571 (layout_type, case ARRAY_TYPE): Use MEMBER_TYPE_FORCES_BLK.
1573 2001-03-02 Zack Weinberg <zackw@stanford.edu>
1575 * configure.in: Kill tm.h. Include the files in the $tm_file
1576 list in all three of config.h, hconfig.h, tconfig.h, after the
1577 relevant set of xm_files. Put TARGET_CPU_DEFAULT in all
1578 three, include insn-codes.h in all three (#ifndef GENERATOR_FILE).
1579 * configure: Regenerate.
1580 * Makefile.in (clean): Don't delete tm.h.
1582 * system.h: If SUCCESS_EXIT_CODE and FATAL_EXIT_CODE are not
1583 defined, set them from EXIT_SUCCESS and EXIT_FAILURE. If
1584 those are not defined, set SEC and FEC to 0 and 1.
1585 * gcc.texi: Update to match.
1587 * crtstuff.c: Include tconfig.h, not auto-host.h and tm.h.
1588 * config/fp-bit.c, config/m68k/aux-crt2.asm,
1589 config/m68k/aux-crtn.asm, config/m68k/aux-mcount.c:
1590 Include tconfig.h, not tm.h.
1592 * config/xm-lynx.h, config/xm-std32.h,
1593 config/a29k/xm-a29k.h, config/a29k/xm-unix.h,
1594 config/alpha/xm-alpha.h, config/arc/xm-arc.h,
1595 config/avr/xm-avr.h, config/c4x/xm-c4x.h,
1596 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1597 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1598 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1599 config/h8300/xm-h8300.h, config/i370/xm-linux.h,
1600 config/i386/xm-i386.h, config/i860/xm-i860.h,
1601 config/i960/xm-i960.h, config/ia64/xm-ia64.h,
1602 config/m32r/xm-m32r.h, config/m68hc11/xm-m68hc11.h,
1603 config/m88k/xm-m88k.h, config/mcore/xm-mcore.h,
1604 config/mips/xm-mips.h, config/mn10200/xm-mn10200.h,
1605 config/mn10300/xm-mn10300.h, config/ns32k/xm-ns32k.h,
1606 config/pa/xm-linux.h, config/pa/xm-pa.h,
1607 config/pa/xm-pa64hpux.h, config/pa/xm-pahpux.h,
1608 config/pa/xm-papro.h, config/pdp11/xm-pdp11.h,
1609 config/pj/xm-pj.h, config/romp/xm-romp.h,
1610 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1611 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1612 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1613 config/v850/xm-v850.h, config/vax/xm-vax.h,
1614 config/we32k/xm-we32k.h:
1615 Don't include tm.h.
1616 Don't define SUCCESS_EXIT_CODE or FATAL_EXIT_CODE.
1618 * config/i370/xm-i370.h, config/i370/xm-mvs.h,
1619 config/i370/xm-oe.h: Don't include tm.h. Don't define
1620 SUCCESS_EXIT_CODE.
1621 * config/vax/xm-vms.h: Don't include tm.h.
1623 * config/xm-lynx.h, config/avr/xm-avr.h,
1624 config/fr30/xm-fr30.h, config/pdp11/xm-pdp11.h,
1625 Delete; made empty by above changes.
1626 * config/i386/xm-lynx.h, config/m68k/xm-lynx.h,
1627 config/rs6000/xm-lynx.h, config/sparc/xm-lynx.h:
1628 Don't include config/xm-lynx.h or tm.h.
1630 * config/xm-gnu.h: Don't include fcntl.h.
1631 * config/sparc/xm-lynx.h: Don't include sys/types.h and
1632 sys/wait.h.
1633 * config/clipper/xm-clix.h, config/vax/xm-vax.h: Don't define isinf.
1635 2001-03-02 Richard Henderson <rth@redhat.com>
1637 * tm.texi (File Framework): Document UNALIGNED_SHORT_ASM_OP,
1638 UNALIGNED_INT_ASM_OP, and UNALIGNED_DOUBLE_INT_ASM_OP.
1640 2001-03-02 Richard Henderson <rth@redhat.com>
1642 * Makefile.in (OBJS): Add dwarf2asm.o.
1643 * dwarf2asm.c, dwarf2asm.h: New files.
1644 * dwarf2out.c (*): Use them.
1645 (size_of_uleb128, size_of_sleb128): Remove.
1646 (output_uleb128, output_sleb128): Remove.
1647 (UNALIGNED_SHORT_ASM_OP, UNALIGNED_INT_ASM_OP): Remove.
1648 (UNALIGNED_DOUBLE_INT_ASM_OP, ASM_BYTE_OP): Remove.
1649 (UNALIGNED_OFFSET_ASM_OP, UNALIGNED_WORD_ASM_OP): Remove.
1650 (FDE_LABEL, LINE_NUMBER_BEGIN_LABEL, LINE_NUMBER_END_LABEL): New.
1651 (ASM_OUTPUT_DWARF_DATA1, ASM_OUTPUT_DWARF_DELTA1): Remove.
1652 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_DELTA2): Remove.
1653 (ASM_OUTPUT_DWARF_DATA4, ASM_OUTPUT_DWARF_DELTA4): Remove.
1654 (ASM_OUTPUT_DWARF_DATA, ASM_OUTPUT_DWARF_DELTA): Remove.
1655 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_ADDR_DATA): Remove.
1656 (ASM_OUTPUT_DWARF_ADDR_DELTA, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1657 (ASM_OUTPUT_DWARF_OFFSET4, ASM_OUTPUT_DWARF_OFFSET): Remove.
1658 (ASM_OUTPUT_DWARF_CONST_DOUBLE): Remove.
1659 (ASM_OUTPUT_DWARF_NSTRING, ASM_OUTPUT_DWARF_STRING): Remove.
1660 (dwarf2out_frame_debug): Remove unused variables.
1661 (output_loc_operands): Don't abort on 8 byte constants if
1662 host integers are wide enough.
1663 (output_symbolic_ref): Remove.
1664 (size_of_die): Don't assume 4 byte host integers.
1665 (output_line_info): Use ASM_GENERATE_INTERNAL_LABEL for begin
1666 and end labels.
1667 (add_const_value_attribute) [CONST_INT]: Verify we're not doing
1668 something stupid with HOST_WIDE_INT to long truncation.
1669 [CONST_DOUBLE]: Likewise.
1671 * config/arm/conix-elf.h (UNALIGNED_WORD_ASM_OP): Remove.
1672 (ASM_OUTPUT_DWARF2_ADDR_CONST, ASM_OUTPUT_DWARF_ADDR_CONST): Remove.
1673 * config/arm/unknown-elf.h: Likewise.
1674 * config/rs6000/aix.h (UNALIGNED_SHORT_ASM_OP): New.
1675 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_INT_ASM_OP): New.
1676 (ASM_OUTPUT_DWARF_ADDR_VAR, ASM_OUTPUT_DWARF_DELTA_VAR): Remove.
1677 (ASM_OUTPUT_DWARF_DELTA2, ASM_OUTPUT_DWARF_DELTA4): Remove.
1678 (ASM_OUTPUT_DWARF_DELTA, ASM_OUTPUT_DWARF_ADDR_DELTA): Remove.
1679 (ASM_OUTPUT_DWARF_ADDR, ASM_OUTPUT_DWARF_DATA4): Remove.
1680 (ASM_OUTPUT_DWARF_DATA2, ASM_OUTPUT_DWARF_OFFSET4): Remove.
1681 (ASM_OUTPUT_DWARF_OFFSET): Remove.
1682 * config/rs6000/sysv4.h (ASM_OUTPUT_DWARF_ADDR): Remove.
1683 * config/sparc/sp64-elf.h (UNALIGNED_DOUBLE_INT_ASM_OP): New.
1684 (UNALIGNED_LONGLONG_ASM_OP, ASM_OUTPUT_DWARF_ADDR): Remove.
1685 (ASM_OUTPUT_DWARF_ADDR_CONST, ASM_OUTPUT_DWARF_REF): Remove.
1687 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1689 * cselib.c (hash_rtx): Cast enums to unsigned int.
1691 2001-03-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
1693 * print-rtl.c (print_rtx): Cast enums to int for comparison.
1694 * c-decl.c (grokdeclarator): Cast enums to int for comparison and
1695 shifts.
1696 * c-format.c (C_STD_VER): Cast to int for comparisons.
1697 (check_function_format): Cast various enums to int for &.
1698 (maybe_read_dollar_number): Likewise.
1699 (check_format_info): Likewise.
1700 (check_format_info_main): Likewise.
1701 * expr.c (emit_move_insn_1): Cast enums to unsigned int for comparison.
1702 (safe_from_p): Likewise.
1703 * varasm.c (const_hash): Cast enum to int for %.
1704 * emit-rtl.c (init_emit_once): Use int loop variable to work around
1705 pcc enum problems with < and ++ operators.
1706 * regclass.c (init_reg_sets_1): Cast enums for comparison.
1707 (choose_hard_reg_mode): Use unsigned int to iterate over CCmodes.
1708 (regclass_init): Change enum class to int to iterate over reg_classes.
1709 * genrecog.c (merge_trees): Cast enums for comparison.
1710 * rtl.h (GET_CODE): Cast to enum rtx_code.
1711 (PUT_CODE): Cast to ENUM_BITFIELD(rtx_code).
1712 (GET_MODE): Cast to enum machine_mode.
1713 (PUT_MODE): Cast to ENUM_BITFIELD(machine_mode).
1714 (GET_NOTE_INSN_NAME): Cast enum to int.
1715 * tree.h (TREE_CODE): Cast to enum tree_code.
1716 (TREE_SET_CODE): Cast VALUE to ENUM_BITFIELD(tree_code).
1717 * timevar.c (timevar_print): Change loop variable id from enum to
1718 unsigned int.
1719 * fixinc/fixincl.c (VLEVEL): Cast enums in comparison to unsigned int.
1720 * config/i386/i386.md: Use PUT_MODE for mode assignment.
1721 * toplev.c (compile_file): Cast enum DFI to int.
1722 (decode_d_option): Likewise.
1724 Fri Mar 2 12:18:13 2001 Christopher Faylor <cgf@cygnus.com>
1726 * cppinit.c (append_include_chain): Mark "after" include file name list
1727 as a system directory.
1728 * cpp.texi: Document new behavior.
1730 Fri Mar 2 11:59:43 CET 2001 Jan Hubicka <jh@suse.cz>
1732 * ifcvt.c (noce_operand_ok): Handle properly unarry operations.
1734 2001-03-02 Neil Booth <neil@daikokuya.demon.co.uk>
1736 * cppfiles.c (struct include_file): Update.
1737 (stack_include_file): Use search_from.
1738 (cpp_included, find_include_file): Update.
1739 (cpp_execute_include): Update. ptr->name may not be
1740 null terminated. Use the new search_from member variable
1741 of cpp_buffer.
1742 (_cpp_compare_file_date): Similarly.
1743 (search_from): New function, similiar to actual_directory.
1744 (actual_directory): Delete.
1745 (remap_filename): Update. loc->name may not be null terminated.
1746 (struct file_name_list): Rename search_path. Update.
1747 * cpphash.h (struct cpp_buffer): Delete actual_dir. New members
1748 search_from and dir.
1749 (struct cpp_reader): Remove actual_dirs.
1750 * cppinit.c (struct cpp_pending): Update for renamed objects.
1751 (append_include_chain, remove_dup_dir, remove_dup_dirs,
1752 merge_include_chains, cpp_destroy, cpp_start_read): Similarly.
1753 * cpplib.h (struct cpp_options): Similarly.
1755 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1757 * config/xm-lynx.h, config/xm-std32.h, config/a29k/xm-a29k.h,
1758 config/a29k/xm-unix.h, config/alpha/xm-alpha.h,
1759 config/arc/xm-arc.h, config/arm/xm-arm.h, config/c4x/xm-c4x.h,
1760 config/clipper/xm-clix.h, config/convex/xm-convex.h,
1761 config/d30v/xm-d30v.h, config/dsp16xx/xm-dsp16xx.h,
1762 config/elxsi/xm-elxsi.h, config/fr30/xm-fr30.h,
1763 config/h8300/xm-h8300.h, config/i370/xm-i370.h,
1764 config/i370/xm-linux.h, config/i370/xm-mvs.h,
1765 config/i370/xm-oe.h, config/i386/xm-aix.h,
1766 config/i386/xm-i386.h, config/i386/xm-osf.h,
1767 config/i860/xm-i860.h, config/i960/xm-i960.h,
1768 config/ia64/xm-ia64.h, config/m32r/xm-m32r.h,
1769 config/m68k/xm-m68k.h, config/m88k/xm-m88k.h,
1770 config/mcore/xm-mcore.h, config/mips/xm-mips.h,
1771 config/mn10200/xm-mn10200.h, config/mn10300/xm-mn10300.h,
1772 config/ns32k/xm-ns32k.h, config/pa/xm-linux.h,
1773 config/pa/xm-pa.h, config/pa/xm-pa64hpux.h,
1774 config/pa/xm-pahpux.h, config/pa/xm-papro.h,
1775 config/pj/xm-pj.h, config/romp/xm-romp.h,
1776 config/rs6000/xm-beos.h, config/rs6000/xm-rs6000.h,
1777 config/rs6000/xm-sysv4.h, config/sh/xm-sh.h,
1778 config/sparc/xm-sparc.h, config/sparc/xm-sysv4.h,
1779 config/v850/xm-v850.h, config/vax/xm-vax.h,
1780 config/vax/xm-vms.h, config/we32k/xm-we32k.h:
1781 Do not define TRUE or FALSE.
1783 * config/i386/xm-aix.h, config/i386/xm-osf.h: Delete; made
1784 empty by above change.
1785 * config.gcc: Remove references to these files.
1787 * configure.in: Detect stdbool.h.
1788 * configure, config.in: Regenerate.
1789 * system.h: Include stddef.h here if available.
1790 Set HAVE__BOOL based on GCC_VERSION and __STDC_VERSION__.
1791 Then set up a sensible boolean type at the very end.
1793 * combine.c, cse.c, expr.c, fold-const.c, gensupport.c,
1794 config/mcore/mcore.c: Rename variables named 'true' and/or 'false'.
1796 * hash.h: Delete 'boolean' typedef and related #undefs.
1798 * function.c, ggc-common.c, hash.h, hash.c, tlink.c: Replace
1799 all uses of 'boolean' with 'bool'.
1801 2001-03-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
1803 * cpplib.c (_cpp_init_stacks): Cast enum for comparison.
1804 * cppexp.c (lex): Cast enums for comparison.
1805 * cppinit.c (parse_option): Cast enum for comparison.
1806 * cpplex.c (cpp_spell_token): Cast enums to int for minus.
1807 (cpp_output_token): Likewise.
1808 (cpp_can_paste): Cast enums for comparsion and plus/minus.
1809 (cpp_avoid_paste): Cast enums for minus and comparison.
1811 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1813 * gcc.c, objc/lang-specs.h: Add zero initializer for cpp_spec
1814 field to all array elements.
1816 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1818 * cpphash.h (struct cpp_reader): Add print_version field.
1819 * cppinit.c (cpp_handle_option): For -v, -version, and --version,
1820 just set print_version and other flags as appropriate.
1821 (cpp_post_options): Print version here if print_version is set.
1823 * toplev.c (exit_after_options): New flag.
1824 (independent_decode_option): Don't exit here; just set
1825 exit_after_options.
1826 (main): Exit after calling lang_hooks.post_options if
1827 exit_after_options is true.
1829 * cppinit.c (append_include_chain): Drop never-used case QUOTE.
1830 (merge_include_chains): Adjust comment to match code.
1832 2001-03-01 Zack Weinberg <zackw@stanford.edu>
1834 * stringpool.c (set_identifier): New function.
1835 * tree.h: Prototype it.
1837 * c-parse.in: Kill D_YES. If compiled for objc, call
1838 save_and_forget_protocol_qualifiers from init_reswords.
1839 * objc/objc-act.c (remember_protocol_qualifiers,
1840 forget_protocol_qualifiers): Don't diddle C_IS_RESERVED_WORD.
1841 Swap out the non-keyword IDENTIFIER_NODEs for keyword ones, or
1842 vice versa.
1843 (save_and_forget_protocol_qualifiers): New function.
1844 * c-lex.h: Prototype save_and_forget_protocol_qualifiers.
1846 2001-03-01 Diego Novillo <dnovillo@redhat.com>
1848 * c-semantics.c (prune_unused_decls): Return error_mark_node
1849 instead of (tree) 1 to stop traversing the tree chain.
1851 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1853 Fix a problem introduced by Kenner's Feb 18 change.
1854 * toplev.c (rest_of_compilation): Disable flag_cse_follow_jumps and
1855 flag_cse_skip_blocks only temporarily, not for ever.
1857 Thu Mar 1 09:49:58 2001 Jeffrey A Law (law@cygnus.com)
1859 * config/pa/som.h (ASM_IDENTIFY_GCC): Define.
1860 (ASM_IDENTIFY_GCC_AFTER_SOURCE): Likewise.
1862 * pa.c (emit_move_sequence): Verify operand0 is a hard register
1863 before determining its register class.
1865 2001-03-01 Bernd Schmidt <bernds@redhat.com>
1867 * config/ia64/ia64.c (ia64_hard_regno_rename_ok): Disallow renaming
1868 from reg 4 if current_function_calls_setjmp.
1869 (gen_nop_type): New function.
1870 (ia64_emit_nops): New function.
1871 (ia64_reorg): Call it.
1872 (ia64_sched_reorder): Move code that rotates bundles up a bit.
1874 * reload1.c (eliminate_regs_in_insn): Restrict the special case
1875 code not to try to optimize adds with anything but a REG destination.
1877 * sched-int.h (struct haifa_insn_data): Add new member priority_known.
1878 (INSN_PRIORITY_KNOWN): New accessor macro.
1879 * haifa-sched.c (priority): Use it instead of testing priority against
1880 zero.
1882 2001-02-28 DJ Delorie <dj@redhat.com>
1884 * config/m68k/m68k.h (MOVE_BY_PIECES_P): Avoid pushing bytes,
1885 since that doesn't work the way gcc wants on a generic m68k.
1887 2001-02-28 Richard Henderson <rth@redhat.com>
1889 * caller-save.c (save_call_clobbered_regs): Fix typo in
1890 comparison last change.
1892 Wed Feb 28 19:31:42 CET 2001 Jan Hubicka <jh@suse.cz>
1894 * i386.c (pentium4_cost): New.
1895 (m_PENT4): New macro.
1896 (x86_push_memory, x86_movx,x86_cmove, x86_deep_branch, x86_use_sahf
1897 x86_sub_esp_4, x86_sub_esp_8, x86_add_esp_4, x86_add_esp_8
1898 x86_integer_DFmode_moves, x86_partial_reg_dependency,
1899 x86_memory_mismatch_stall): Add Pentium4
1900 (x86_use_q_reg, x86_use_any_reg): Kill.
1901 (override_options): Add pentium4.
1902 (incdec_operand): Return 0 for pentium4.
1903 (ix86_issue_rate): Add PROCESSOR_PENTIUM4 and PROCESSOR_ATHLON.
1904 * i386.h (x86_use_q_reg, x86_use_any_reg): Kill.
1905 (TARGET_PENTIUM4): Define.
1906 (enum processor_type): Add PROCESSOR_PENTIUM4.
1907 (CPP_CPU_DEFAULT_SPEC): Add pentium4 support.
1908 * i386.md (attribute "cpu"): Add pentium4.
1909 * invoke.texi (march): Add pentium4.
1911 Wed Feb 28 19:28:06 CET 2001 Jan Hubicka <jh@suse.cz>
1913 * i386.md (sse_mov?fcc*): New patterns and splitters.
1914 * i386.c (ix86_expand_movcc): Work post-reload; recognize
1915 the SSE based conditional moves.
1917 Wed Feb 28 19:18:23 CET 2001 Jan Hubicka <jh@suse.cz>
1919 * i386.md (attribute mode): Add "TI".
1920 (movsf_1): Add pxor support; remove constant propagation splitter.
1921 (movdf_integer): Likewise.
1922 (movdf_nointeger): Likewise.
1923 (movxf constant prop splitter): Handle all modes; update for SSE.
1924 * i386.h (CONST_DOUBLE_OK_FOR_LETTER): Add 'H' for SSE constants.
1925 * i386.c (standard_80387_constant_p): Rewrite.
1926 (standard_sse_constant_p): New.
1927 * i386-protos.h (standard_sse_constant_p): New.
1929 Wed Feb 28 19:05:37 CET 2001 Jan Hubicka <jh@suse.cz>
1931 * i386.md (sse_setccsf, sse_setccdf): New.
1932 (sse_cmp* patterns): Use '%D' instead of outputtting condition
1933 flag directly.
1934 * i386.c (sse_comparison_operator): Accept the supported unordered
1935 comparses; be ready for fast_math.
1936 (print_operand): Support 'D'.
1938 Wed Feb 28 18:54:51 CET 2001 Jan Hubicka <jh@suse.cz>
1940 * jump.c (reversed_comparison_code): Kill.
1942 Wed Feb 28 18:50:15 CET 2001 Jan Hubicka <jh@suse.cz>
1944 * toplev.c (rest_of_compilation): Do post-reload splitting unconditionally
1945 for STACK_REGS
1947 Wed Feb 28 18:47:37 CET 2001 Jan Hubicka <jh@suse.cz>
1949 * i386.md (sse_andti3, sse_nandti_3, sse_xorti3): Add SSE2 versions;
1950 add missing '%' in constraints.
1952 Wed Feb 28 17:24:24 CET 2001 Jan Hubicka <jh@suse.cz>
1954 * c-common.c (build_common_tree_nodes): Build intTI_type_nodes
1955 for HOST_BITS_PER_WIDE_INT == 32 too.
1957 Wed Feb 28 17:22:35 CET 2001 Jan Hubicka <jh@suse.cz>
1959 * caller-save.c (reg_save_code, reg_restore_code): Index by mode, not
1960 NREGS.
1961 (insert_save, insert_restore): New parameter save_mode.
1962 (init_caller_save): Update initialization of reg_save_code
1963 and reg_restore_code.
1964 (save_call_clobbered_regs): Compute save_modes and update calls to
1965 reg_save_code and reg_restore_code.
1966 (insert_restore): Unsignetize numbers; use save_modes to choose mode
1967 of spill; update use of reg_restore_code.
1968 (insert_save): Likewise.
1969 * i386.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1970 * c4x.h (HARD_REGNO_CALLER_SAVE_MODE): Update.
1971 * regs.h (HARD_REGNO_CALLER_SAVE_MODE): Likewise.
1973 Wed Feb 28 17:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
1975 * ifcvt.c (noce_emit_store_flag, noce_try_store_flag_constants,
1976 noce_try_store_flag_inc, noce_try_store_flag_mask,
1977 noce_try_cmove_arith):
1978 Use reversed_comparison_code instead of reverse_comparison and
1979 can_reverse_comparison_p.
1981 Wed Feb 28 17:17:29 CET 2001 Jan Hubicka <jh@suse.cz>
1983 * jump.c (reversed_comparison_code_parts): Allow reversal of
1984 unordered compares in -ffast-math mode; reverse ordered compares
1985 for FP even w/o -ffast-math.
1987 2001-02-27 Richard Henderson <rth@redhat.com>
1989 * print-rtl.c (print_rtx) [i]: Don't print field five on
1990 NOTEs other than NOTE_INSN_DELETED_LABEL.
1992 2001-02-27 Zack Weinberg <zackw@stanford.edu>
1994 * mips/xm-iris4.h: Delete #if 0 block (there since before 1997).
1995 * pa/xm-linux.h, pa/xm-pa.h, pa/xm-papro.h: Don't declare errno.
1997 2001-02-27 Diego Novillo <dnovillo@redhat.com>
1999 * c-common.c (walk_stmt_tree): Visit the chain of the current tree
2000 even if walk_subtrees is 0.
2001 * c-semantics.c (prune_unused_decls): Return a non-null value to
2002 stop traversing the tree chain.
2004 2001-02-27 DJ Delorie <dj@redhat.com>
2006 * config/m68k/m68k.c (output_function_prologue): Save the new CFA
2007 register, *then* define it as the new CFA.
2009 Tue Feb 27 16:49:13 2001 Jeffrey A Law (law@cygnus.com)
2011 * pa.c (override_options): Promote -fpic to -fPIC.
2012 (legitimize_pic_address): Simplify due to removal of
2013 small PIC as a code generation option.
2014 (secondary_reload_class): Similarly.
2015 * pa.h (GO_IF_LEGITIMATE_ADDRESS): Similarly.
2016 (PRINT_OPERAND_ADDRESS): Similarly.
2017 * pa.md (various patterns): Similarly.
2018 (small pic lo_sum pattern): Remove.
2020 Tue Feb 27 16:01:13 CET 2001 Jan Hubicka <jh@suse.cz>
2021 Fergus Henderson
2023 * md.texi (min, max): Document
2025 Tue Feb 27 15:51:35 CET 2001 Jan Hubicka <jh@suse.cz>
2027 * i386.md (movsf, movdf): Use movaps for reg-reg moves if
2028 TARGET_PARTIAL_REG_DEPENDENCY.
2029 (truncdfsf2_1_sse, truncdfsf2_2): Penalize the fpreg->mem case.
2031 Tue Feb 27 15:36:48 CET 2001 Jan Hubicka <jh@suse.cz>
2033 * i386.md (mins*, maxs*): New patterns, expanders and splitters.
2035 2001-02-26 Jeffrey Oldham <oldham@codesourcery.com>
2037 * mips.c (mips_make_temp_file): Fix thinko in last change.
2039 2001-02-26 Jason Eckhardt <jle@redhat.com>
2041 * combine.c (known_cond): Do not reverse the condition when
2042 SMAX/UMAX is being considered and the condition is for equality
2043 or inequality.
2045 * testsuite/gcc.c-torture/execute/20010221-1.c: New test.
2047 2001-02-26 Philip Blundell <philb@gnu.org>
2049 * config.gcc: Remove obsolete targets "arm*-*-linuxoldld" and
2050 "armv2-*-linux".
2051 * config/arm/linux-elf.h: Remove historical relics related to
2052 above configurations.
2053 * config/arm/linux-oldld.h: Delete.
2054 * config/arm/linux-elf26.h: Delete.
2056 2001-02-26 Jason Merrill <jason@redhat.com>
2058 * c-decl.c (finish_decl): Set DECL_DEFER_OUTPUT on tentative file-scope
2059 definitions.
2060 * toplev.c (rest_of_decl_compilation): Check DECL_DEFER_OUTPUT to
2061 recognize a tentative definition. Lose obsolete code.
2063 * toplev.c (wrapup_global_declarations): Don't emit DECL_COMDAT
2064 variables unless necessary, either.
2066 2001-02-25 Richard Henderson <rth@redhat.com>
2068 * ifcvt.c (struct noce_if_info): Add test_bb.
2069 (noce_get_alt_condition): New.
2070 (noce_try_minmax, noce_try_abs): New.
2071 (noce_operand_ok): New.
2072 (noce_process_if_block): Use them.
2073 * rtlanal.c (may_trap_p): NEG and ABS can never trap.
2075 Sun Feb 25 14:26:17 2001 Christopher Faylor <cgf@cygnus.com>
2077 * config/i386/cygwin.h (CPP_SPEC): Add missing space before w32api
2078 include.
2080 2001-02-25 Zack Weinberg <zackw@stanford.edu>
2082 * config.gcc: Put back pa/t-openbsd and rs6000/t-openbsd.
2083 * config/mips/mips.c (mips_make_temp_file): Set temp_filename
2084 properly.
2085 (mips_asm_file_end): Free temp_filename here.
2087 Sun Feb 25 08:34:23 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2089 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): Move decl.
2090 * config/i386/i386.c (ix86_set_move_mem_attrs_1): Fix typo.
2092 * config/i386/i386.md (movstrsi): Handle FAIL case.
2094 2001-02-25 Neil Booth <neil@daikokuya.demon.co.uk>
2096 * cppinit.c (builtin_array): Update.
2097 (init_builtins): Flag builtins to warn if redefined or
2098 undefined. Define __GXX_WEAK as a normal macro.
2099 * cpplib.c (do_undef): Warn if flagged NODE_WARN.
2100 * cpplib.h (NODE_WARN): New flag.
2101 * cppmacro.c (builtin_macro): Remove handling of __GXX_WEAK__.
2102 Handle __STDC__ as a builtin only on Solaris.
2103 (warn_of_redefinition): Renamed from check_macro_definition.
2104 Reverse sense of test. Always warn if NODE_WARN.
2105 (_cpp_create_definition): Use warn_of_redefinition. Flag
2106 any macro beginning with "__STDC_" to require a mandatory
2107 warning if redefined or undefined.
2109 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2111 * xm-interix.h, xm-lynx.h, alpha/xm-vms.h, convex/xm-convex.h,
2112 i370/xm-i370.h, i370/xm-linux.h, i370/xm-mvs.h, i370/xm-oe.h,
2113 i386/xm-beos.h, i386/xm-dos.h, i386/xm-mingw32.h,
2114 i860/xm-i860.h, m68k/xm-3b1.h, m68k/xm-amix.h, m68k/xm-aux.h,
2115 m68k/xm-crds.h, m68k/xm-mot3300.h, m88k/xm-sysv3.h,
2116 mips/xm-mips.h, rs6000/xm-beos.h, vax/xm-vms.h:
2117 Don't define any of:
2118 USE_PROTOTYPES, vfork, mktemp, SVR3, NO_SYS_PARAMS_H,
2119 P_tmpdir, MVS, NO_DBX_FORMAT, USE_STDARGS, STDC_HEADERS,
2120 NO_PRECOMPILES, i860, __PTR_TO_INT, __INT_TO_PTR, rindex,
2121 index, FULL_PROTOTYPES, AUX, R_OK, W_OK, X_OK, F_OK,
2122 STACK_DIRECTION, MIPS, MAX_READ_LEN, MAX_WRITE_LEN.
2124 * alpha/xm-alpha.h, clipper/xm-clix.h, d30v/xm-d30v.h,
2125 fr30/xm-fr30.h, i370/xm-linux.h: Remove commented-out macro
2126 definitions.
2128 * m68k/xm-3b1.h, m68k/xm-crds.h, m88k/xm-sysv3.h:
2129 Delete now-empty file.
2131 * alpha/vms.h: Define NEED_ATEXIT here...
2132 * alpha/xm-vms.h: ...not here.
2134 * i386/cygwin.h: Don't define PARAMS.
2135 * mips/mips.c: Don't prototype mktemp. Don't define
2136 P_tmpdir. Use make_temp_file to create temporary files.
2137 Don't be clever and delete temporary files early.
2138 * config.gcc: Drop references to deleted files. Don't define
2139 FULL_PROTOTYPES.
2140 * gcc.texi: Don't mention USE_PROTOTYPES.
2142 Sat Feb 24 20:25:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2144 * config/i386/i386.c (ix86_set_move_mem_attrs): New function.
2145 (ix86_set_move_mem_attrs_1): Likewise.
2146 * config/i386/i386-protos.h (ix86_set_move_mem_attrs): New declaration.
2147 * config/i386/i386.md (movstrsi): Call it.
2149 2001-02-24 Zack Weinberg <zackw@stanford.edu>
2151 * config.gcc: Expunge references to alpha/t-pe, pa/t-openbsd,
2152 x-linux-aout, i386/t-go32, t-osf, m68k/x-m68kv,
2153 ns32k/xm-netbsd.h, rs6000/t-openbsd, rs6000/t-xnewas,
2154 rs6000/x-aix41-gld. These are nonexistent, empty, or obsolete.
2156 (i750a-*-*): Error here if hosting on i750a.
2157 (alpha*-*-winnt*, ix86-*-winnt3*): Remove stanzas entirely.
2159 * x-linux-aout, xm-freebsd.h, i386/beos-pe.h, ns32k/xm-netbsd.h:
2160 Remove (empty modulo comments).
2162 * 1750a/xm-1750a.h, alpha/config-nt.sed, alpha/win-nt.h,
2163 alpha/xm-winnt.h, i386/config-nt.sed, i386/os2.h,
2164 i386/t-winnt, i386/win-nt.h, i386/xm-freebsd.h, i386/xm-os2.h,
2165 i386/xm-winnt.h, m68k/x-alloca-c, m88k/x-dguxbcs,
2166 mips/x-netbsd, mips/x-nws3250v4, rs6000/t-xnewas,
2167 rs6000/t-xrs6000, rs6000/xm-cygwin.h: Remove (obsolete)
2169 * i386/crtdll.h, i386/cygwin.h, i386/mingw32.h:
2170 Remove reference to winnt.h in comment.
2171 * rs6000/t-newas, rs6000/t-rs6000: Override LIBGCC1_TEST to null.
2173 2001-02-24 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
2175 * loop.c (check_dbra_loop): A biv has uses besides counting if it is
2176 used to set another biv.
2178 Sat Feb 24 06:45:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2180 * tree.h (BLOCK_DEAD): New macro.
2181 (struct tree_block): New flag, dead_flag.
2182 * print-tree.c (print_node, case 'b'): Print missing fields.
2183 * emit-rtl.c (remove_unnecessary_notes): Set BLOCK_DEAD.
2184 * function.c (identify_blocks): Enable test for misplaced notes.
2185 (all_blocks): Skip BLOCK_DEAD blocks.
2186 * integrate.c (integrate_decl_tree): Likewise.
2188 * errors.c (internal_error, trim_filename): New functions.
2189 (fancy_abort): Call internal_error.
2190 * errors.h (internal_error, trim_filename): New declarations.
2192 2001-02-24 Alexandre Oliva <aoliva@redhat.com>
2194 * config/mn10300/mn10300.h (DBX_REGISTER_NUMBER): Reverted
2195 2000-08-26's patch.
2196 (EXTRA_CONSTRAINT): Formatting changes.
2198 2001-02-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2200 * rtl.c (rtl_check_failed_code2): Fix typo in last change.
2202 2001-02-23 Per Bothner <per@bothner.com>
2204 * gcc.c (record_temp_file, pfatal_with_name, error): Make non-static,
2205 so they can be called from java/jvspec.c.
2206 * gcc.h (record_temp_file, pfatal_with_name, error): Declare.
2208 Sat Feb 24 03:32:50 CET 2001 Jan Hubicka <jh@suse.cz>
2210 * i386.c (ix86_frame): New structure.
2211 (ix86_compute_frame_size): Kill.
2212 (ix86_compute_frame_layout): New.
2213 (ix86_save_reg): New.
2214 (ix86_can_use_return_insn_p): Use frame layout stuff.
2215 (ix86_expand_prologue): Likewise.
2216 (ix86_expand_epilogue): Likewise.
2217 (ix86_initial_elimination_offset): Likewise.
2218 (ix86_nsaved_regs): Use ix86_save_reg.
2219 (ix86_emit_save_regs): Likewise.
2221 Sat Feb 24 03:30:38 CET 2001 Jan Hubicka <jh@suse.cz>
2223 * flow.c (find_sub_basic_blocks): New function.
2224 (split_block): Be ready for basic block introduced by CODE_LABEL.
2225 (commit_one_edge_insertion): Call find_sub_basic_block.
2227 * flow.c (make_edges): Add edge from entry for blocks starting with
2228 label having ALTERNATE_NAME
2230 Sat Feb 24 03:19:42 CET 2001 Jan Hubicka <jh@suse.cz>
2232 * function.c (epilogue_done): Be ready for first basic block not
2233 containing PROLOGUE_END note.
2234 (reposition_prologue_and_epilogue_notes): Avoid placing
2235 PROLOGUE_END note between BASIC_BLOCK.
2237 Sat Feb 24 03:17:09 CET 2001 Jan Hubicka <jh@suse.cz>
2239 * loop.c (canonicalize_condition): Move to reversed_comparison_code.
2241 2001-02-21 DJ Delorie <dj@redhat.com>
2243 * config/i960/i960.h (FRAME_POINTER_REQUIRED): Revert removal of
2244 check for current_function_has_nonlocal_goto from 1999-11-12.
2246 Fri Feb 23 15:28:39 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2248 * diagnostic.c (trim_filename): No longer static.
2249 * toplev.h (trim_filename): Declare.
2250 * rtl.c (rtl_check_failed_bounds): Call internal_error.
2251 (rtl_check_failed_type1, rtl_check_failed_type2): Likewise.
2252 (rtl_check_failed_code1, rtl_check_failed_code2): Likewise.
2253 (rtvec_check_failed_bounds): Likewise.
2254 * tree.c (tree_check_failed, tree_class_check_failed): Likewise.
2256 * convert.c (convert_to_integer): Don't do unsigned unless result or
2257 both inputs are unsigned.
2259 * fold-const.c (fold_convert): Don't call size_int_type_wide if
2260 input overflows.
2262 * c-decl.c (set_block): Set NAMES and BLOCKS from BLOCK.
2264 * varasm.c (output_constant): Recompute CODE after lang-specific fn.
2266 2001-02-23 Jeffrey Oldham <oldham@codesourcery.com>
2268 * Makefile.in (resource.o): Add params.h dependence.
2269 * params.def (MAX_DELAY_SLOT_LIVE_SEARCH): New parameter.
2270 * params.h (MAX_DELAY_SLOT_LIVE_SEARCH): Likewise.
2271 * resource.c: Add dependence on params.h.
2272 (current_live_regs): Fix explanatory comment.
2273 (find_basic_block): Add new parameter to permit limiting search
2274 for a BARRIER.
2275 (mark_target_live_regs): Add new argument to find_basic_block call.
2276 (incr_ticks_for_insn): Likewise.
2278 2001-02-23 Gabriel Dos Reis <gdr@merlin.codesourcery.com>
2280 * diagnostic.c (output_to_stream): Rename to
2281 output_buffer_to_stream. Loses the stream parameter.
2282 (init_output_buffer): Set diagnosic_buffer's stream.
2283 (flush_diagnostic_buffer): Adjust.
2284 (default_print_error_function): Likewise.
2285 (finish_diagnostic): Likewise.
2286 (verbatim): Likewise.
2288 * diagnostic.h (struct output_buffer): Add `stream' field.
2289 (output_buffer_attached_stream): New macro.
2291 2001-02-23 Jakub Jelinek <jakub@redhat.com>
2293 * fold-const.c (extract_muldiv) [case PLUS_EXPR]: If not MULT_EXPR,
2294 check if either operand is divisible by C.
2295 (multiple_of_p): Handle LSHIFT_EXPR with small constant shift.
2296 If type is signed, consider negative numbers as well.
2298 2001-02-22 Richard Henderson <rth@redhat.com>
2300 * config/ia64/crtbegin.asm (.fini): Use pc-relative relocs to
2301 reach .text instead of gp-relative relocs.
2302 * config/ia64/crtend.asm (.init): Likewise.
2304 2001-02-22 Andreas Jaeger <aj@suse.de>
2306 * extend.texi (C++ Attributes): Fix typo.
2308 2001-02-21 David Mosberger <davidm@hpl.hp.com>
2310 * config/ia64/ia64.c (ia64_epilogue_uses): For syscall_linkage
2311 functions, drop current_function_args_info.words test.
2312 (ia64_compute_frame_size): Mark syscall_linkage functions as
2313 using eight input registers.
2315 2001-02-21 Loren J. Rittle <ljrittle@acm.org>
2316 Bruce Korb <bkorb@gnu.org>
2318 * fixinc/inclhack.def (freebsd_gcc3_breakage): new fix
2319 * fixinc/README: Document how to convert sed substitutions
2320 to format style c_fix-es.
2321 * fixinc/fixincl.x: regen
2323 2001-02-21 Jeffrey D. Oldham <oldham@codesourcery.com>
2325 * gcc.c: Add comment explaining how to add a command-line option.
2326 Add title to specs language comment.
2328 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2330 * gcc.c (cc1_options): Add "-param".
2331 (DEFAULT_WORD_SWITCH_TAKES_ARG): Likewise.
2332 (option_map): Likewise.
2333 * toplev.c (display_help): Add entry for "--param".
2334 (independent_decode_option): Fix typographical error.
2336 Wed Feb 21 18:57:28 CET 2001 Catherine Moore <clm@redhat.com>
2337 Bernd Schmidt <bernds@redhat.com>
2338 Jan Hubicka <jh@suse.cz>
2340 * i386.c (function_arg_advance): Pass SSE arguments in registers.
2341 (function_arg): Likewise.
2343 Wed Feb 21 18:12:41 CET 2001 Jan Hubicka <jh@suse.cz>
2345 * i386.md (mmx_lshrdi3, mmx_ashldi3): Guard by unspec.
2347 2001-02-21 Kazu Hirata <kazu@hxi.com>
2349 * config/h8300/h8300.md (iorsi3): Do not output an extra newline
2350 character.
2351 (xorsi3): Likewise.
2353 Wed Feb 21 17:35:24 CET 2001 Jan Hubicka <jh@suse.cz>
2355 * flow.c (init_propagate_block_info): Canon address and use single_set
2356 for killing dead memory stores.
2358 2001-02-21 Jeffrey Oldham <oldham@codesourcery.com>
2360 * Makefile.in (reorg.o): Add params.h dependence.
2361 * params.def: Fix typographical error in comment.
2362 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2363 * params.h: Modify introductory comment.
2364 (MAX_DELAY_SLOT_INSN_SEARCH): New parameter.
2365 * reorg.c: Add dependence on params.h.
2366 (redundant_insn): Add parameterized throttle for search.
2367 (fill_simple_delay_slots): Add a comment explaining a variable.
2368 Move conditional out of loop, simplifying code.
2369 (fill_eager_delay_slots): Fix typographical error in comment.
2371 2001-02-20 Aldy Hernandez <aldyh@redhat.com>
2373 * tm.texi (REVERSE_CONDEXEC_PREDICATES_P): New macro documentation.
2375 * flow.c (ior_reg_cond): Use REVERSE_CONDEXEC_PREDICATES_P macro.
2376 (REVERSE_CONDEXEC_PREDICATES_P): Define macro.
2378 2001-02-21 Jason Merrill <jason@redhat.com>
2380 * tree.h (DECL_UNINLINABLE): Move from C++ frontend.
2381 (struct tree_decl): Add uninlinable bitfield.
2382 * c-decl.c (duplicate_decls): Set it.
2383 * integrate.c (function_cannot_inline_p): Check it.
2385 * dwarf2out.c (add_name_and_src_coords_attributes): Don't add
2386 DW_AT_MIPS_linkage_name to abstract methods.
2387 (dwarf2out_abstract_function): Emit class context before calling
2388 set_decl_abstract_flags. Don't clear DECL_ABSTRACT.
2389 (gen_subprogram_die): Remove obsolete code.
2390 (gen_member_die): Don't include clones in the member list.
2391 (gen_decl_die): Emit abstract info for clone origin.
2392 * dwarfout.c (output_type): Don't include clones in the member list.
2393 * dbxout.c (dbxout_type_methods): Ignore abstract methods.
2394 * toplev.c (note_deferral_of_defined_inline_function): Don't clear
2395 DECL_ABSTRACT on a function that already has it set.
2397 * dwarf2out.c (gen_formal_types_die): Also accept a FUNCTION_DECL.
2398 (get_subprogram_die): Pass it in.
2400 2001-02-21 Richard Earnshaw <rearnsha@arm.com>
2402 * flow.c (mark_set_1): Make not_dead unsigned long. For
2403 non-pseudos, use it as a bitmask of the hard regs that
2404 don't die.
2406 2001-02-21 Neil Booth <neil@daikokuya.demon.co.uk>
2408 * cppfiles.c: Update comments.
2409 (_cpp_read_file): Don't check for NULL filenames any more.
2410 * cppinit.c (cpp_start_read): Don't do canonicalization of
2411 in_fname and out_fname. Use the passed file name exclusively.
2412 (_cpp_handle_options): Don't treat "-" as a command line option,
2413 but as a normal filename.
2414 (_cpp_post_options): Canonicalize in_fname and out_fname.
2415 * cppmain.c (printer_init): Don't check out_fname for NULL.
2416 * c-lex.c (orig_filename): Rename cpp_filename for clarity.
2417 (init_c_lex): Update, and use "" to represent stdin to CPP.
2418 (yyparse): Update.
2420 2001-02-20 Will Cohen <wcohen@redhat.com>
2422 * config/pa/quadlib.c (_U_Qfcnvfxt_quad_to_usgl): New function.
2423 * config/pa/long_double.h (FIXUNS_TRUNCTFSI2_LIBCALL): Added.
2424 (INIT_TARGET_OPTABS): Use FIXUNS_TRUNCTFSI2_LIBCALL for
2425 fixunstfsi_libfunc.
2427 2001-02-20 Stan Shebs <shebs@apple.com>
2429 * config/rs6000/rs6000.c (output_cbranch): Output branches
2430 on separate lines instead of using ';' to separate.
2432 2001-02-20 Neil Booth <neil@daikokuya.demon.co.uk>
2434 * cppinit.c (set_lang): Move builtin handling to...
2435 (init_builtins): ...here.
2436 (_cpp_create_reader): Move call to set_lang.
2438 2001-02-20 Mark Mitchell <mark@codesourcery.com>
2440 * stmt.c (expand_return): If an attempt is made to return the
2441 error_mar_node, treat the return like a return without a value.
2443 2001-02-19 Zack Weinberg <zackw@stanford.edu>
2445 * sibcall.c (skip_copy_to_return_value): Call
2446 identify_call_return_value here, and return orig_insn if it
2447 returns zero. Hardret and softret arguments now unnecessary.
2448 (call_ends_block_p): Don't call identify_call_return_value here.
2450 * ggc-common.c (ggc_mark_rtx_children): No need to mark 'S' or
2451 's' slots in RTXen.
2452 * ggc-page.c, ggc-simple.c (ggc_mark_if_gcable): Delete function.
2453 * ggc.h (ggc_mark_if_gcable): Delete prototype.
2455 Mon Feb 19 20:30:16 2001 Jeffrey A Law (law@cygnus.com)
2457 * pa.c (move_operand): Accept code to load the address of a
2458 symbol out of the DLT as a valid move operand.
2459 (print_operand, case 'A'): New to handle generating a DLT
2460 reference for a LO_SUM expression.
2461 * pa.h (EXTRA_CONSTRAINT): Handle 'A' for DLT LO_SUM references.
2462 * pa.md (movsi, movdi patterns): Allow DLT LO_SUM references.
2464 2001-02-19 Joseph S. Myers <jsm28@cam.ac.uk>
2466 * README, cpp.texi, gcc.texi, version.c: Update version number to
2467 3.1.
2468 * cpp.1, gcov.1, gcc.1: Regenerate.
2470 2001-02-19 Neil Booth <neil@daikokuya.demon.co.uk>
2472 * cppfiles.c (stack_include_file): Generate dependencies
2473 here, and manage include_count here too.
2474 (PRINT_THIS_DEP): Delete.
2475 (_cpp_execute_include): Do not generate dependencies here,
2476 apart from the case of a missing header. Do not manage
2477 include_count.
2478 (_cpp_read_file): Leave dependency generation to
2479 stack_include_file.
2481 Mon Feb 19 10:17:47 2001 Jeffrey A Law (law@cygnus.com)
2483 * config.gcc (hppa*64*-*-hpux11*): Add MASK_GAS to
2484 target_cpu_default. Remove dead assignment to
2485 target_cpu_default.
2487 Mon Feb 19 16:47:39 CET 2001 Jan Hubicka <jh@suse.cz>
2489 * regclass.c (contains_reg_of_mode): Make global.
2490 (init_reg_sets): Remove contains_reg_of_mode; take into account
2491 CLASS_MAX_NREGS when looking for the proper mode.
2492 (dump_regclass): Dump only classes considered for the pseudo.
2493 (regclass): Use contains_reg_of_mode.
2495 Mon Feb 19 16:45:42 CET 2001 Jan Hubicka <jh@suse.cz>
2497 * gcc.c (do_spec_1): 'n' for printing notices.
2498 * i386.h (CC1_CPU_SPEC): Notice deprecated options as deprecated.
2500 Mon Feb 19 15:51:30 CET 2001 Jan Hubicka <jh@suse.cz>
2502 * reg-stack.c (next_flags_user): Use current_block->end
2503 (swap_rtx_condition): Look for next user if flags don't die;
2504 give up on CALL_INSNs; use current_block->end.
2506 Mon Feb 19 08:27:21 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2508 * sibcall.c (call_ends_block_p): New function.
2509 (optimize_sibling_and_tail_recursive_call): Use it.
2511 2001-02-18 Kazu Hirata <kazu@hxi.com>
2513 * config/h8300/h8300.md: Update copyright.
2514 (andsi3): Do not output an extra newline character.
2516 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2518 * toplev.c (note_deferral_of_defined_inlined_function): Argument
2519 FNDECL may be unused.
2521 * toplev.c (rest_of_compilation): Don't have CSE skip blocks or
2522 follow jumps after first run.
2523 If -fexpensive-optimizations rerun CSE after GCSE and iterate until
2524 it doesn't change any jumps.
2526 Sun Feb 18 17:05:50 2001 Jeffrey A Law (law@cygnus.com)
2528 * Makefile.in (rtlanal.o): Depend on hard-reg-set.h.
2529 ($HOST_PREFIX_1)rtlanal.o: Remove rules for building
2530 (mostlyclean): Corresponding changes.
2531 * rtlanal.c (hard-reg-set.h): Include.
2532 (rtx_unstable_p): Do not treat the argument pointer specially
2533 if it is not a fixed register.
2534 (rtx_varies_p, rtx_addr_can_trap_p): Similarly.
2536 Sun Feb 18 15:45:17 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2538 * sibcall.c (optimize_sibling_and_tail_recursive_call): Compare
2539 against last real insn in basic block.
2540 Rework to avoid gotos.
2542 * Makefile.in (gcse.o): Now includes ggc.h.
2543 * gcse.c: Include ggc.h.
2544 (want_to_gcse_p): Verify expression can be in SET as valid insn.
2545 (try_replace_reg): Remove warning of uninitialize variable.
2546 (process_insert_insn): Call invalid_insn_p to validate insn.
2547 * recog.c (insn_invalid_p): Now global.
2548 See if can make valid by adding CLOBBERs of SCRATCH only and do if so.
2549 * recog.h (insn_invalid_p): New declaration.
2551 * jump.c (jump_optimize_1): Only define reversed_code #ifdef HAVE_trap.
2553 * config/sparc/sparc.c (eligible_for_epilogue_delay): Don't put
2554 assignments from FP constants since 'Y' output code can't handle it.
2555 (eligible_for_sibcall_delay): Likewise.
2557 * flow.c (print_rtl_and_abort_fcn): Renamed from print_rtl_and_abort.
2558 Call fancy_abort directly, passing args.
2559 (print_rtl_and_abort): Now a macro, like fancy_abort.
2561 * final.c (output_operand_lossage): Use internal_error, not error.
2563 2001-02-18 Shane Nay <shane@agendacomputing.com>
2565 * mips.c (mips_expand_prologue) Add REG_MAYBE_DEAD to
2566 structure shift insns.
2568 2001-02-18 Mark Mitchell <mark@codesourcery.com>
2570 * invoke.texi (-fsquangle): Remove documentation.
2571 (-fname-mangling-version): Likewise.
2573 2001-02-18 Lars Brinkhoff <lars@nocrew.org>
2575 * optabs.c (expand_abs): Remove reference to
2576 HAVE_contitional_arithmetic.
2577 * combine.c (simplify_set): Likewise.
2579 2001-02-18 Richard Henderson <rth@redhat.com>
2581 * ifcvt.c (dead_or_predicable): Don't move code if eh regions
2582 would be disrupted.
2584 2001-02-18 Richard Henderson <rth@redhat.com>
2586 * config/ns32k/ns32k.h (ADJSP): Upcase arguments.
2588 * config/alpha/alpha.md (movsi_fix): Fix typo in pattern name.
2590 * reload1.c (reload_cse_simplify_set): Fix typo.
2592 Sun Feb 18 09:30:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2594 * diagnostic.c (_fatal_insn): Decrement errorcount.
2596 * invoke.texi (-I): Add note avoiding use for system header files.
2598 * rtl.h (add_clobbers): Remove duplicate declaration.
2599 * recog.h (added_clobbers_hard_reg_p): New declaration.
2600 * genemit.c (struct clobber_pat): New field has_hard_reg.
2601 (gen_insn): Record if added clobbers clobber hard reg.
2602 (gen_split): Avoid unused warning if number of operands is 0.
2603 (output_added_clobbers_hard_reg_p): New function.
2604 (main): Call it.
2606 2001-02-18 Alan Modra <alan@linuxcare.com.au>
2608 * pa.c (hppa_expand_prologue): Simplify code storing return
2609 pointer. For large (>=8k) frames with a post_store, adjust stack
2610 pointer by 8k-64 first rather than by 64. When testing with
2611 VAL_14_BITS_P, always use the actual value rather than the value
2612 negated. Add blockage to prevent scheduling of spills before
2613 stack frame has been created.
2614 (hppa_expand_epilogue): Simplify code loading return pointer.
2615 Allow a slightly larger range for merge_sp_adjust_with_load case.
2616 When testing with VAL_14_BITS_P, always use the actual value.
2618 * pa.c (pa_adjust_insn_length): Check that block move
2619 pattern is a set before looking at operands.
2621 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2623 * fold-const.c (fold_binary_op_with_conditional_arg): New
2624 function, split out from ...
2625 (fold): ... here.
2626 * tree.def (COND_EXPR): Document the use of VOID_TYPE for
2627 conditional arms that throw exceptions.
2629 * print-tree.c (print_node): Do not use BLOCK_CHAIN when we're not
2630 looking at a BLOCK.
2632 2001-02-17 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
2634 * aclocal.m4 (gcc_AC_CHECK_DECL): Before attempting the test,
2635 define HAVE_DECL_* to 1 to mask potential backup declarations.
2636 * configure: Regenerated.
2638 2001-02-17 Mark Mitchell <mark@codesourcery.com>
2640 * invoke.texi (-Woverloaded-virtual): Clarify documentation.
2642 2001-02-17 Richard Henderson <rth@redhat.com>
2644 * reload1.c (reload_cse_simplify_set): Respect LOAD_EXTEND_OP
2645 when replacing a memory load with a register.
2647 Sat Feb 17 14:48:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2648 Jan Hubicka <jh@suse.cz>
2650 * recog.c (validate_replace_src_1): New.
2651 (validate_replace_src_data): Likewise.
2652 (validate_replace_src): Use note_uses.
2653 * rtl.h (note_uses): Declare.
2654 * rtlanal.c (note_uses): New.
2656 Sat Feb 17 10:52:34 CET 2001 Jan Hubicka <jh@suse.cz>
2658 * reg-stack.c (stack_def): Make field reg unsigned.
2659 (remove_regno_note): Unsignetize parameter.
2661 2001-02-16 Jes Sorensen <jes@linuxcare.com>
2663 * ia64.c (errata_emit_nops): Add VOIDmode as second argument to
2664 shladd_operand() call.
2666 2001-02-16 Bruce Korb <bkorb@gnu.org>
2667 Rodney Brown <RodneyBrown@mynd.com>
2669 * fixinc/mkfixinc.sh: Use C fixincludes for UnixWare 7.
2670 * fixinc/inclhack.def: Add fixinc.svr4 patterns with matching
2671 machine restrictions
2672 * fixinc/fixincl.x: regen
2674 Fri Feb 16 12:41:30 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2676 * gcse.c (hash_scan_set): If cprop, see if REG_EQUAL or REG_EQUIV.
2677 Don't CSE a nop.
2678 (hash_scan_insn): Clean up calls to hash_scan_set.
2679 (compute_kill_rd): REGNO now unsigned.
2680 (try_replace_reg): Rework to use simplify_replace_rtx.
2681 (cprop_jump, cprop_cc0_jump): Likewise.
2682 (cprop_insn): Call find_reg_equal_equiv_note.
2683 Reflect changes to cprop_jump and cprop_cc0_jump.
2685 * recog.c (validate_replace_src): Replace in operands of
2686 ZERO_EXTRACT in SET_DEST.
2688 * cse.c (new_label_ref): New variable.
2689 (insert): Set it instead of recorded_label_ref.
2690 (cse_basic_block): Set recorded_label_ref if new_label_ref use, has
2691 CODE_LABEL for this function, and not already in REG_LABEL note.
2693 2001-02-16 Jeffrey Oldham <oldham@codesourcery.com>
2695 * resource.c (mark_referenced_resources): Fix typo in introductory
2696 comment.
2697 * config/mips/abi64.h (SUBTARGET_TARGET_OPTIONS): Fix typo in
2698 string constant.
2700 2001-02-16 Jason Merrill <jason@redhat.com>
2702 * dwarf2out.c (add_bound_info): Don't crash if SAVE_EXPR_RTL is
2703 NULL.
2704 (gen_subprogram_die): Don't abort on seeing a second definition if
2705 the previous one was abstract. Don't replace an abstract instance
2706 in the lookup table.
2708 * dwarf2out.c (dwarf2out_abstract_function): Rename from
2709 gen_abstract_function.
2710 * dwarf2out.h: Declare it.
2711 * toplev.c (note_outlining_of_inline_function): New fn.
2712 * toplev.h: Declare it.
2713 * integrate.c (output_inline_function): Call it.
2714 * c-decl.c (duplicate_decls): Call it when redefining an extern
2715 inline. Don't inline the new defn.
2717 * tree.h (BLOCK_CHAIN): Use BLOCK_CHECK.
2719 2001-02-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
2721 * .gdbinit: Rename to gdbinit.in.
2722 * gdbinit.in: New file,
2723 * configure.in: Generate .gdbinit from gdbinit.in.
2724 * configure: Regenerated.
2725 * Makefile.in (distclean): Always remove .gdbinit.
2727 2001-02-16 Jakub Jelinek <jakub@redhat.com>
2729 * objc/objc-act.c (start_class): Register implemented_classes with
2730 GC.
2732 2001-02-16 Neil Booth <neil@daikokuya.demon.co.uk>
2734 * cppfiles.c (_cpp_make_system_header): Generate a file
2735 change callback.
2737 2001-02-15 Jim Meyering <meyering@lucent.com>
2739 * Makefile.in (install-common): Don't depend on installdirs here.
2740 Instead, make each of the lang.install-common targets (e.g.,
2741 c++.install-common in cp/Make-lang.in) depend on it.
2742 (install-driver): Depend on installdirs.
2744 Thu Feb 15 21:30:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2746 * flow.c (tidy_fallthru_edge): Never end block on line number NOTE.
2748 * function.c (assign_parms): Set RTX_UNCHANGING_P in pseudo when we
2749 do in memory.
2751 2001-02-15 Mark Mitchell <mark@codesourcery.com>
2753 * invoke.texi (--param): Document.
2755 Thu Feb 15 15:16:38 2001 Alexandre Oliva <aoliva@redhat.com>
2757 * config/sh/sh.h (BOOL_TYPE_SIZE): Don't define.
2759 Thu Feb 15 10:52:31 CET 2001 Jan Hubicka <jh@suse.cz>
2761 * i386.md (extendsfdf2_2): Fix constraints.
2763 Thu Feb 15 09:46:21 CET 2001 Jan Hubicka <jh@suse.cz>
2765 * i386.md (fop_df_3 splitter): Fix operand number.
2767 Wed Feb 14 12:37:37 CET 2001 Jan Hubicka <jh@suse.cz>
2769 * invoke.texi (-mreg-alloc): Nuke.
2770 * i386.c (ix86_reg_alloc_order, regs_allocated,
2771 order_regs_for_local_alloc): Nuke.
2772 (override_options): Kill reg_alloc code.
2773 * i386.h (TARGET_OPTIONS): Kill reg-alloc.
2774 (REG_ALLOC_ORDER): SSE goes before I387.
2775 (ORDER_REGS_FOR_LOCAL_ALLOC): Kill.
2776 (ix86_reg_alloc_order): Likewise.
2777 * i386-protos.h (ix86_reg_alloc_order): Kill.
2779 2001-02-14 Richard Henderson <rth@redhat.com>
2781 * toplev.c (f_options): Clarify -fschedule-insns2 documentation.
2783 Wed Feb 14 11:59:58 CET 2001 Jan Hubicka <jh@suse.cz>
2785 * i386.h (RETURN_IN_MEMORY): Fix formating; reject TFmodes
2787 Wed Feb 14 11:12:38 CET 2001 Jan Hubicka <jh@suse.cz>
2789 * i386-protos.h (ix86_memory_move_cost): Move offline.
2790 * i386.c (ix86_register_move_cost): Compute properly cost of
2791 SSE, MMX and i387 instructions.
2792 (*_cost): Add costs of SSE/MMX moves.
2793 (ix86_memory_move_cost): Move offline from ....; Likewise.
2794 * i386.h (MEMORY_MOVE_COST): .... here;
2795 (struct processor costs): Add new fields to represent costs
2796 of SSE/MMX moves.
2798 Wed Feb 14 10:08:26 CET 2001 Jan Hubicka <jh@suse.cz>
2800 * regclass.c (init_reg_sets_1): Reinstall the optimization of
2801 move_cost together with Matt Kraai's fix.
2803 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2805 * Makefile.in (OBJS): Add params.o.
2807 2001-02-14 Richard Henderson <rth@redhat.com>
2808 DJ Delorie <dj@redhat.com>
2810 * jump.c (jump_optimize_1): When we delete a conditional jump
2811 preceeding a non-conditional jump to effectively the same place,
2812 make sure that the combined jump skips any clobber insns between
2813 the two labels.
2815 2001-02-14 Jeffrey Oldham <oldham@codesourcery.com>
2817 * gcc.c (do_spec_1): Fix off-by-one error for '%M' case.
2819 2001-02-14 Mark Mitchell <mark@codesourcery.com>
2821 * Makefile.in (toplev.o): Depend on params.h.
2822 (intergate.o): Likewise.
2823 (params.o): New target.
2824 * flags.h (inline_max_insns): Remove.
2825 * integrate.c: Include params.h.
2826 Use MAX_INLINE_INSNS instead of inline_max_insns.
2827 * params.c: New file.
2828 * params.h: Likewise.
2829 * params.def: Likewise.
2830 * toplev.c: Include params.h.
2831 (lang_independent_params): New variable.
2832 (decode_f_option): Use the param machinery instead of setting
2833 max_inline_insns.
2834 (independent_decode_option): Handle "--param name=value".
2835 (main): Register language-independent parameters.
2837 Wed Feb 14 11:13:45 CET 2001 Jan Hubicka <jh@suse.cz>
2839 * i386.md (pushsf, pushdf_nointeger): Fix constraint.
2841 2001-02-14 Richard Henderson <rth@redhat.com>
2843 * regclass.c (init_reg_sets_1): Revert last two changes.
2845 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2847 * stor-layout.c (is_pending_size, put_pending_size): New functions.
2848 (variable_size): Call put_pending_size.
2849 * tree.h (is_pending_size, put_pending_size): Add prototypes.
2850 * fold-const.c (extract_muldiv): If SAVE_EXPR is on the pending
2851 sizes list, put newly created SAVE_EXPR there as well.
2853 2001-02-14 Jakub Jelinek <jakub@redhat.com>
2855 * config/ia64/ia64.c (last_group): Only 2 entries are needed.
2856 (errata_find_address_regs): load_group has only 2 entries.
2857 (errata_emit_nops): Likewise. shladd is not problematic.
2858 Clear last_group if nop was emitted.
2859 (fixup_errata): load_group has only 2 entries.
2860 Optimize.
2862 2001-02-14 Neil Booth <neil@daikokuya.demon.co.uk>
2864 * c-lex.c (lex_number): Only warn traditionally for U suffix
2865 outside system macros.
2866 * cppexp.c (parse_number): Similarly.
2867 * cpplib.h (NODE_SYSHDR, cpp_sys_objmacro_p): New.
2868 * cppmacro.c (struct cpp_macro): New member node.
2869 (parse_args): Only warn about missing rest args if not
2870 a system macro.
2871 (funlike_invocation_p): Similarly for uninvoked funlike macros.
2872 (cpp_sys_objmacro_p): New.
2873 (_cpp_create_definition): Store the node with the macro defn.
2874 Remember if the macro is defined in a system header.
2876 2001-02-13 DJ Delorie <dj@redhat.com>
2878 * configure.in (check_languages): determine languages to check
2879 * Makefile.in (check-c++): alias for check-g++
2880 (check-f77): alias for check-g77
2881 (CHECK_TARGETS): depend on configured languages
2883 Wed Feb 14 01:13:59 CET 2001 Jan Hubicka <jh@suse.cz>
2885 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2886 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2887 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2888 (sqrtextendsfdf2): Disable for SSE2.
2890 Wed Feb 14 00:19:28 CET 2001 Jan Hubicka <jh@suse.cz>
2892 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch again.
2893 (sqrtsf2): Use TARGET_SSE instead of TARGET_SSE2)
2894 (sqrtsf2 patterns): Use 'x' instead of 'Y'.
2895 (sqrtextendsfdf2): Disable for SSE2.
2897 Wed Feb 14 00:11:20 CET 2001 Jan Hubicka <jh@suse.cz>
2899 * i386.md (movsfcc_1): Support integer cmove instruction.
2900 (movdfcc_1): Likewise; new splitter.
2902 Tue Feb 13 23:19:27 CET 2001 Jan Hubicka <jh@suse.cz>
2904 * i386.c (output_fp_compare): Support SSE.
2905 (prepare_fp_compare_args): SSE comparisons always support memory.
2906 * i386.h (TARGET_CMOVE): SSE imply cmove.
2907 * i386.md (cmp?f2): Enable for SSE too.
2908 (cmpfp_i*): Support SSE.
2909 (cmpfp_i_sse): New.
2910 (cmpfp_i_sse_only): New.
2911 (s*, b* fp expanters): Enable for SSE too.
2912 (fp_jcc_1_sse, fp_jcc_1_sse_only, fp_jcc_2_sse, fp_jcc_2_sse_only):
2913 New patterns.
2915 Tue Feb 13 23:05:42 CET 2001 Jan Hubicka <jh@suse.cz>
2917 * regclass.c (init_reg_sets_1): Silence warning.
2919 Tue Feb 13 22:03:07 CET 2001 Jan Hubicka <jh@suse.cz>
2921 * i386.md (sqrt?f2): Change to expander.
2922 (sqrt?f2_1, sqrt?f2_sse_only, sqrt?f2_i387): New.
2924 Tue Feb 13 15:42:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2926 * rtlanal.c (find_reg_equal_equiv_note): New function.
2927 * simplify-rtx.c (simplify_gen_unary, simplify_gen_ternary): New fns.
2928 (simplify_gen_relational, simplify_replace_rtx): Likewise.
2929 * rtl.h: Add declarations for above functions.
2931 Tue Feb 13 21:09:11 CET 2001 Jan Hubicka <jh@suse.cz>
2933 * cse.c (cse_main): Converts ifdefs on PIC_OFFSET_TABLE_REGNUM to
2934 conditionals.
2935 * defaults.h (PIC_OFFSET_TABLE_REGNUM): Default to INVALID_REGNUM.
2936 * emit-rtl.c (init_emit_once): Convert ifdefs to conditionals.
2937 * flow.c (mark_regs_live_at_end): Likewise.
2938 (calculate_global_regs_live): Likewise.
2939 * gcse.c (compute_hash_table): Likewise.
2940 (compute_kill_rd): Likewise.
2941 * resource.c (mark_target_live_regs): Likewise.
2942 * rtl.h (INVALID_REGNUM): New macro.
2944 Tue Feb 13 20:59:22 CET 2001 Jan Hubicka <jh@suse.cz>
2946 * i386.md (fixsfsi2, fixdfdi2): Fix previous patch.
2948 Tue Feb 13 16:32:20 CET 2001 Jan Hubicka <jh@suse.cz>
2950 * i386.md (fixsfsi2, fixdfdi2): Force operand to register
2951 for SSE.
2953 Tue Feb 13 14:53:16 CET 2001 Jan Hubicka <jh@suse.cz>
2955 * i386.md (add?f3, sub?f3, mul?f3, dif?f3): Enable for TARGET_SSE(2)
2956 too.
2957 (fop_sf_comm, fop_df_comm, fop_sf_1, fop_df_1): Support SSE.
2958 (fop_sf_comm_sse, fop_df_comm_sse): New patterns.
2959 (fop_sf_1_sse, fop_df_1_sse): New patterns
2960 (fop_*): Disable float_extend and float patterns for SSE compilation.
2961 * i386.c (output_387_binary_op): Support SSE.
2963 Tue Feb 13 14:16:34 CET 2001 Jan Hubicka <jh@suse.cz>
2965 * i386.md (dummy_extendsfdf2): Support SSE2
2966 (extendsfdf2): Enable if 80387 or SSE2.
2967 (extendsfdf2_1): Support SSE2. Disable if SSE2 is avialble
2968 and no MIX_I387_SSE2
2969 (extendsfdf2_1_sse_only): New pattern.
2970 (truncdfsf2): Enable if SSE2 or 80387; Always use SSE only version
2971 of SSE.
2972 (truncdfsf2_1): Support SSE.
2973 (truncdfsf2_2): Support SSE.
2974 (truncdfsf2_2_1_sse): New pattern.
2975 (fixtruncsfsi2): Always use SSE if available.
2976 (fix_truncsfsi_sse): New pattern.
2977 (fix_truncdfsi_sse): New pattern.
2978 (floatsis?f2): Support SSE.
2979 (floatsidf2_i387): New pattern.
2980 (floatsidf2_sse): Likewise.
2982 Tue Feb 13 07:52:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
2984 * configure.in: Use "have_gnat" variable, not "gnat".
2985 * configure: Regenerated.
2987 * config/sparc/sparc.c (function_value): Treat all non-record
2988 aggregate types like used to treat UNION_TYPE.
2990 Tue Feb 13 13:31:33 CET 2001 Jan Hubicka <jh@suse.cz>
2992 * i386.c (print_reg): Use ANY_FP_REG instead of FP_REG
2993 * i386.h (MASK_128BIT_LONG_DOUBLE): Renumber
2994 (MASK_SSE2): New.
2995 (MASK_MIX_SSE_I387): New.
2996 (TARGET_SSE): SSE2 imply SSE.
2997 (TARGET_SSE2, TARGET_MIX_SSE_I387): New.
2998 (TARGET_SWITCHES): Add "sse2", "mix-sse-i387".
2999 (enum reg_class): Add new classes.
3000 (REG_CLASS_NAMES): Likewise.
3001 (REG_CLASS_CONTENTS): Likewise.
3002 (ANY_FP_REG_P, ANY_FP_REGNO_P, SSE_REG_P, SSE_FLOAT_MODE): New macros.
3003 (REG_CLASS_FROM_LETTER): 'x' and 'y' is SSE_REGS only when SSE is
3004 supported. Add 'Y' to be SSE_REGS when SSE2 is supported.
3005 (CLASS_MAX_NREGS): Use new macros.
3006 (REGISTER_MOVE_COST): Rewrite using SECONDARY_MEMORY_MAYBE_NEEDED.
3007 * i386.md (pushsf, movsf): Support SSE.
3008 (pushdf_nointeger, pushdf_integer, pushdf): Support SSE, update
3009 splitters to use ANY_FP_REGNO_P.
3010 (movdf_nointeger, movdf_integer): Likewise.
3012 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3014 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): New macro.
3015 (try_combine): Use it.
3017 Tue Feb 13 11:37:06 CET 2001 Jan Hubicka <jh@suse.cz>
3019 * i386.h (SSE_CLASS_P, MMX_CLASS_P, MAYBE_FLOAT_CLASS_P,
3020 MAYBE_SSE_CLASS_P, MAYBE_MMX_CLASS_P): New macros.
3021 (PREFERRED_RELOAD_CLASS, SECONDARY_MEMORY_NEEDED): Move offline.
3022 (REGISTER_MOVE_COST): Likewise.
3023 * i386-protos.h (ix86_secondary_memory_needed,
3024 ix86_preferred_reload_class, ix86_register_move_cost): Declare.
3025 * i386.c (ix86_secondary_memory_needed,
3026 ix86_preferred_reload_class, ix86_register_move_cost): New function.
3028 Die Feb 13 11:04:25 CET 2001 Jan Hubicka <jh@suse.cz>
3030 * i386.h (VALID_FP_MODE_P, VALID_INT_MODE_P): New.
3031 (HARD_REGNO_MODE_OK): Move offline to ....
3032 * i386.c (ix86_hard_regno_mode_ok) ... here;
3033 refuse all incorrect modes.
3034 * i386-protos.h (ix86_hard_regno_mode_ok): Declare.
3036 2001-02-13 Richard Henderson <rth@redhat.com>
3038 * sparc.md (cmp_cc_arith_op_set): Don't use match_dup on the
3039 entire operator; replicate that and match_dup the operands.
3040 (cmp_ccx_arith_op_set): Likewise.
3041 (cmp_cc_arith_op_not_set): Likewise.
3042 (cmp_ccx_arith_op_not_set): Likewise.
3044 2001-02-13 Alexandre Oliva <aoliva@redhat.com>
3046 * explow.c (trunc_int_for_mode): Sign-extend value to mode.
3048 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3050 * config/rs6000/sysv4.h (MASK_NO_BITFIELD_WORD): New macro.
3051 (TARGET_NO_BITFIELD_WORD): New macro.
3052 (SUBTARGET_SWITCHES): Add -mbit-word, -mno-bit-word options.
3053 (BITFIELD_NBYTES_LIMITED): Define based on TARGET_NO_BITFIELD_WORD.
3055 Mon Feb 12 18:13:26 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3057 * cselib.c: New file, from simplify-rtx.c.
3058 * simplify-rtx.c: Remove cselib parts.
3059 * Makefile.in: Add cselib.o.
3061 2001-02-12 Geoffrey Keating <geoffk@redhat.com>
3063 * config/rs6000/rs6000.c (rs6000_float_const): Remove warning.
3064 (setup_incoming_varargs): Remove warning.
3066 * config/rs6000/rs6000.c (validate_condition_mode): When
3067 flag_fast_math, allow floating-point conditionals to be reversed.
3068 (rs6000_generate_compare): When flag_fast_math, don't generate
3069 cror operations for FP conditionals.
3071 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Handle
3072 -mcall-i960.
3073 (ASM_SPEC): Likewise.
3074 (CC1_ENDIAN_LITTLE_SPEC): Likewise.
3075 (CC1_SPEC): Likewise.
3076 (LINK_TARGET_SPEC): Likewise.
3077 (CPP_ENDIAN_SPEC): Likewise.
3078 * Makefile.in (check-consistency): New target.
3080 2001-02-12 Joseph S. Myers <jsm28@cam.ac.uk>
3082 * c-decl.c (grokdeclarator): In C99 mode, give the more specific
3083 "return type defaults" warning for functions with return type
3084 defaulting to int.
3085 * c-lang.c (c_init): In C99 mode, enable warnings for implicit
3086 function declarations by default rather than only when pedantic.
3088 Mon Feb 12 17:28:48 CET 2001 Jan Hubicka <jh@suse.cz>
3090 * regclass.c (init_reg_sets_1): Optimize calculation of move_cost
3091 arrays.
3093 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3095 * extend.texi (Deprecated): Deprecate new initializer lists.
3097 2001-02-12 Nathan Sidwell <nathan@codesourcery.com>
3099 * mkdeps.c (deps_add_default_target): Robustify. Add
3100 basename component only.
3101 * cpp.texi (-M): Describe how default target is generated.
3102 * invoke.texi (-M): Likewise.
3104 2001-02-12 Kazu Hirata <kazu@hxi.com>
3106 * toplev.c (push_float_handler): Remove.
3107 (pop_float_handler): Remove.
3108 * toplev.h: Remove prototypes for the above functions.
3110 2001-02-12 Jakub Jelinek <jakub@redhat.com>
3112 * c-common.c (constant_fits_type_p): New function.
3113 (convert_and_check): Use it.
3115 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3117 * Makefile.in (GXX_ABI_FLAG): Don't define.
3118 * configure.in (--enable-new-gxx-abi): Remove option.
3119 * config.in: Regenerated.
3120 * configure: Likewise.
3122 2001-02-12 Alexandre Oliva <aoliva@redhat.com>
3124 * lcm.c (compute_earliest): Let EXIT_BLOCK be handled as a regular
3125 basic block.
3126 (optimize_mode_switching) [NORMAL_MODE]: Set up EXIT_BLOCK as a
3127 regular basic block, and arrange for all edges into it to switch
3128 to normal mode.
3130 2001-02-11 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
3132 * Makefile.in (distclean): Do not remove .gdbinit.
3134 2001-02-11 Mark Mitchell <mark@codesourcery.com>
3136 * Makefile.in (gcc.o): Fix typos.
3137 (protize.o): Likewise.
3138 (unprotoize.o): Likewise.
3140 2001-02-11 Richard Henderson <rth@redhat.com>
3142 * tree.c (build1): Check for null operand in last change.
3144 2001-02-11 Richard Henderson <rth@redhat.com>
3146 * fold-const.c (split_tree): Don't assume a constant isn't splittable.
3147 (fold): Don't assume a constant isn't foldable.
3148 * tree.c (build): Set TREE_CONSTANT for an expression with no
3149 side-effects and constant operands.
3150 (build1): Likewise.
3152 2001-02-10 Richard Henderson <rth@redhat.com>
3154 * jump.c (squeeze_notes): Revert 2000-05-12 change.
3156 2001-02-10 Anthony Green <green@redhat.com>
3158 * cpp.texi (Standard Predefined): Add documentation for
3159 __OPTIMIZE_SIZE__.
3161 * c-common.c (combine_strings): Improve warning message.
3163 2001-02-10 Geoffrey Keating <geoffk@redhat.com>
3165 * config/rs6000/sysv4.h (LINK_TARGET_SPEC): Use two dashes for
3166 --oformat.
3167 * config/rs6000/sysv4le.h (LINK_TARGET_SPEC): Likewise.
3169 Fri Feb 9 15:05:27 2001 Christopher Faylor <cgf@cygnus.com>
3171 * config/i386/t-cygwin (T_CPPFLAGS): Use correct location for
3172 CYGWIN_CROSS_DIR.
3174 2001-02-09 Alexandre Oliva <aoliva@redhat.com>
3176 * config/sh/sh.md (sibcalli, sibcalli_pcrel, sibcalli): Set
3177 fp_mode attribute.
3179 2001-02-09 Nick Clifton <nickc@redhat.com>
3181 * config/arm/arm.md: Change output contraint on post inc
3182 load/store multiple patterns to be a read/write contraint.
3184 2001-02-09 Neil Booth <neil@daikokuya.demon.co.uk>
3186 * gcc.c (cpp_options): Delete .d files on error. Don't delete
3187 .o files when using the -M options.
3189 2001-02-08 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3190 David Edelsohn <edelsohn@gnu.org>
3192 * config/rs6000/rs6000.c (output_toc): Allow 32-bit targets to
3193 handle DImode constants. Use one TOC entry for SImode and smaller
3194 constants, aligned properly.
3196 2001-02-08 Jason Merrill <jason@redhat.com>
3198 * config/arm/arm.c (arm_expand_prologue): Do tell the dwarf2 backend
3199 about the SP adjustment for saving the static chain pointer.
3200 * dwarf2out.c (dwarf2out_frame_debug_expr): Use the specified
3201 offset when setting a temporary CFA register.
3203 2001-02-08 Chandrakala Chavva <cchavva@redhat.com>
3205 * config.gcc : New targets, i386-*-chorusos*, sparc-*-chorusos*,
3206 powerpc-*-chorusos* .
3207 * config/rs6000/chorus.h : New file.
3208 * config/i386/chorus.h : New file.
3209 * config/sparc/chorus.h : New file.
3210 * config/sparc/t-chorus-elf : New file.
3212 2001-02-08 David Edelsohn <edelsohn@gnu.org>
3214 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Move from here ...
3215 * config/rs6000/aix.h (ASM_OUTPUT_SYMBOL_REF): ... to here.
3216 * config/rs6000/aix51.h (CPLUSCPLUS_CPP_SPEC): Define it.
3217 (__WCHAR_TYPE__): Correct macro name.
3219 2001-02-08 Richard Henderson <rth@redhat.com>
3221 * config/i386/i386.c (ix86_frame_pointer_required): New.
3222 (ix86_setup_frame_addresses): New.
3223 (struct machine_funciton): Add accesses_prev_frame.
3224 * config/i386/i386.h (FRAME_POINTER_REQUIRED): Call
3225 ix86_frame_pointer_required.
3226 (SUBTARGET_FRAME_POINTER_REQUIRED): New.
3227 (SETUP_FRAME_ADDRESSES): New.
3228 * config/i386/i386-protos.h: Update.
3229 * config/i386/sco5.h (SUBTARGET_FRAME_POINTER_REQUIRED): Rename
3230 from FRAME_POINTER_REQUIRED.
3231 * config/i386/svr3gas.h: Likewise.
3232 * config/i386/sysv3.h: Likewise.
3233 * config/i386/v3gas.h: Likewise.
3235 2001-02-08 Richard Henderson <rth@redhat.com>
3237 * config/sparc/sparc.c (function_arg_record_value_3): Fix
3238 calculation of the number of integer registers required.
3239 (function_arg_record_value): Likewise.
3241 2001-02-08 Jason Merrill <jason@redhat.com>
3243 * diagnostic.c (internal_error): Say "confused" after 1 error, not
3244 two. Print file and line with "confused" message.
3246 * dwarf2out.c (dwarf2out_line): Include filename in -dA output.
3248 Thu Feb 8 11:21:28 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3250 * rtlanal.c (remove_node_from_expr_list): Correctly update PREV.
3252 2001-02-08 Bernd Schmidt <bernds@redhat.com>
3254 * final.c (cleanup_subreg_operands): The address of a MEM can
3255 contain SUBREGs.
3257 * config/ia64/ia64.c (ia64_variable_issue): Call group_barrier_needed_p
3258 for asms, too.
3260 2001-02-08 Joseph S. Myers <jsm28@cam.ac.uk>
3262 * gcc.texi (Incompatibilities): Update documentation of
3263 preprocessing numbers.
3265 2001-02-07 Jakub Jelinek <jakub@redhat.com>
3267 * c-decl.c (finish_enum): Revert part of 2000-01-05 change.
3269 2001-02-07 Mark Mitchell <mark@codesourcery.com>
3271 * config/rs6000/aix43.h (CPLUSCPLUS_CPP_SPEC): Define it.
3273 * defaults.h (CPLUSPLUS_CPP_SPEC): New macro.
3274 * gcc.c (struct compiler): Add cpp_spec field.
3275 (input_file_compiler): New variable.
3276 (do_spec_1): Allow a particular compiler to handle `%C'
3277 specially.
3278 (main): Store the current compiler in input_file_compiler.
3279 * tm.texi (CPLUSPLUS_CPP_SPEC): Document.
3281 2001-02-07 Zack Weinberg <zack@wolery.stanford.edu>
3283 * cpphash.h (struct spec_nodes): Add n_true and n_false.
3284 * cppinit.c (cpp_create_reader): Initialize them.
3285 (append_include_chain): cxx_aware arg might be unused.
3286 * cppexp.c (lex): In C++ mode, recognize 'true' and 'false'
3287 keywords and give them their phase 7 meaning. Pedwarn about
3288 this unless '__bool_true_false_are_defined' is defined.
3290 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3292 * lcm.c (optimize_mode_switching): Emit mode_set before the
3293 JUMP_INSN of an abnormal edge.
3295 2001-02-07 Bernd Schmidt <bernds@redhat.com>
3297 * builtins.c (expand_builtin_setjmp_receiver): Emit an ASM_INPUT as
3298 a scheduling barrier at the end.
3300 * tm.texi (MD_INIT_BUILTINS, MD_EXPAND_BUILTIN): Document.
3302 2001-02-07 Alexandre Oliva <aoliva@redhat.com>
3304 * config/sh/sh.md (reload_outsf): Removed.
3305 (movsf_ie): Introduce constraints for FPUL loads and stores.
3306 (reload_insf): Broaden the output constraint.
3308 * config/elfos.h (INT_ASM_OP): Don't define it if it's already
3309 defined.
3310 * config/sh/sh.h (INT_ASM_OP, ASM_OUTPUT_CONSTRUCTOR,
3311 ASM_OUTPUT_DESTRUCTOR): Copy definitions from config/elfos.h.
3313 2001-02-06 Chandrakala Chavva <cchavva@redhat.com>
3315 * final.c: Revert my previous changes.
3316 * output.h: Make profile_label_no extern.
3317 * config/rs6000/rs6000.c (output_profile_hook): Use standard functions
3318 for generating label.
3320 2001-02-06 Laurynas Biveinis <lauras@softhome.net>
3322 * config/i386/djgpp.h: Add comments about standard paths.
3323 (MD_EXEC_PREFIX): Undefine before defining.
3324 (MD_STARTFILE_PREFIX): New.
3326 2001-01-30 Bruce Korb <bkorb@gnu.org>
3328 fixinc/fixincl.c(process): Emit error message only if appropriate :)
3329 (load_file): do not rely on load_file_data() to close file pointer
3330 fixinc/fixlib.c(load_file_data): do not close passed in file pointer
3331 fixinc/inclhack.def(irix_limits_const): add test_text
3333 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3335 * cppexp.c (parse_defined): Improve diagnostics for invalid
3336 syntax.
3338 2001-02-06 Neil Booth <neil@daikokuya.demon.co.uk>
3340 * cppmacro.c (cpp_get_token): Avoid pasting after a builtin.
3342 2001-02-06 Mark Mitchell <mark@codesourcery.com>
3344 * config/rs6000/rs6000.h (ASM_OUTPUT_SYMBOL_REF): Define.
3345 * config/rs6000/rs6000-protos.h (rs6000_output_symbol_ref): Declare.
3346 * config/rs6000/rs6000.c (VTABLE_NAME_P): New macro.
3347 (rs6000_output_symbol_ref): New function.
3348 (output_toc): Use VTABLE_NAME_P.
3350 Tue Feb 6 07:54:51 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3352 * print-tree.c (print_node, case PARM_DECL):
3353 Print DECL_ARG_TYPE and DECL_ARG_TYPE_AS_WRITTEN.
3355 * stor-layout.c (reference_types_internal): New variable.
3356 (internal_reference_types): New function.
3357 (layout_type, case REFERENCE_TYPE): Make Pmode if internal.
3358 * tree.h (internal_reference_types): New declaration.
3360 * cse.c (find_best_addr): Fix typo in computing cost.
3362 Mon Feb 5 21:56:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3364 * combine.c (nonzero_bits, case PLUS): If pointers extend unsigned
3365 and this is the sum of a pointer and a constant, we know the result
3366 did not overflow.
3367 (num_sign_bit_copies, case PLUS): Likewise.
3368 * explow.c (convert_memory_address): Remove opposite SUBREG.
3369 * function.c (instantiate_new_reg): New function (from common code).
3370 (instantiate_virtual_regs_1): Call it.
3371 For PLUS, handle if (plus (subreg (virt-reg) (const_int))
3372 if pointers sign- or zero-extend.
3373 * simplify-rtx.c (simplify_unary_operation, case ZERO_EXTEND):
3374 If pointers extend unsigned, use inside of SUBREG.
3375 (simplify_unary_operation, case SIGN_EXTEND): Likewise, if sign extend.
3377 2001-02-05 Benjamin Kosnik <bkoz@redhat.com>
3379 * Makefile.in (-DGPLUSPLUS_TOOL_INCLUDE_DIR): Change to target
3380 subdir of gcc_gxx_include_dir.
3381 (gcc_gxx_target_include_dir): Remove.
3383 2001-02-05 Jeffrey Oldham <oldham@codesourcery.com>
3385 * dwarf2out.c: Revise DWARF2 Abbreviation Glossary comments.
3386 (dwarf2out_frame_debug_expr): Revise introductory comments to add
3387 a high-level description.
3389 2001-02-05 Chandrakala Chavva <cchavva@redhat.com>
3391 * final.c: Move the declaration of profile_label_no to ...
3392 * output.h: ... here.
3393 * function.c (expand_function_start): Call PROFILE_HOOK.
3394 * config/rs6000/aix.h: Define PROFILE_HOOK.
3395 * config/rs6000/rs6000-protos.h: output_profile_hook new.
3396 * config/rs6000/rs6000.c (output_profile_hook): Define.
3397 (output_prolog): Do nothing for ABI_AIX as it is taken care by
3398 output_profile_hook.
3399 tm.texi : Explain new macro PROFILE_HOOK.
3401 2001-02-06 Hans-Peter Nilsson <hp@axis.com>
3403 * extend.texi (Extended Asm): Do not say that semicolon is always
3404 a valid line-breaking character for GNU assemblers. Use
3405 newline-tab as the most commonly supported syntax. Use
3406 newline-tab rather than semicolon in multi-insn examples.
3408 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3410 * Makefile.in (gcc_gxx_target_include_dir): Use $(target_alias).
3412 2001-02-05 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3413 David Edelsohn <edelsohn@gnu.org>
3415 * config/rs6000/rs6000.c (rs6000_return_addr): Use PIC
3416 code for AIX, even without flag_pic.
3418 2001-02-05 Jakub Jelinek <jakub@redhat.com>
3420 * c-typeck.c (common_type): push and pop binding level around
3421 calling common_type on function parameters.
3423 Mon Feb 5 14:30:37 2001 Christopher Faylor <cgf@cygnus.com>
3425 * config/i386/cygwin.h (CPP_SPEC): Add missing space after -idirafter.
3427 Mon Feb 5 11:23:16 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3429 * config/mips/mips.c (override_options): Fix typo in last change.
3430 (mips_make_temp_file): Call fatal_io_error, not pfatal_with_name.
3431 (mips_asm_file_end): Likewise; also pass more args to fatal_io_error.
3433 2001-02-05 Nathan Sidwell <nathan@codesourcery.com>
3435 * invoke.texi (-fdump-class-layout): Document.
3436 (-fdump-translation-unit): Use `=' as filename separator.
3438 2001-02-05 Mark Mitchell <mark@codesourcery.com>
3440 * Makefile.in (s-mlib): Don't build multilibs if
3441 --disable-multilib.
3442 (DRIVER_DEFINES): Adjust accordingly.
3443 (gcc.o): Likewise.
3444 (protoize.o): Likewise.
3445 (unprotoize.o): Likewise.
3446 * configure.in: Recognize --enable-multilib.
3448 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3450 * Makefile.in (DRIVER_DEFINES): Fix quoting.
3452 * Makefile.in (site.exp): Always set HAVE_LIBSTDCXX_V3.
3453 * configure.in: Remove --enable-libstdcxx_v3 support.
3454 * configure: Regenerated.
3456 Sun Feb 4 15:52:44 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3458 * config/avr/avr.h (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP):
3459 Call abort instead of fatal.
3460 (TRAMPOLINE_TEMPLATE): Call internal_error instead of fatal.
3461 * config/dsp16xx/dsp16xx.h (FUNCTION_PROFILER): Likewise.
3462 (FUNCTION_BLOCK_PROFILER, BLOCK_PROFILER): Likewise.
3463 (TRAMPOLINE_TEMPLATE, INITIALIZE_TRAMPOLINE): Likewise.
3464 (ASM_OUTPUT_REG_PUSH, ASM_OUTPUT_REG_POP): Likewise.
3465 * config/rs6000/rs6000.h (RETURN_ADDRESS_OFFSET): Likewise.
3467 * diagnostic.h (set_internal_error_function): Renamed.
3468 * toplev.h (internal_error): Renamed from fatal.
3469 (pfatal_with_name): Deleted.
3470 (fatal_io_error): Now has printf-style arguments.
3471 * diagnostic.c (pfatal_with_name): Deleted.
3472 (fatal_io_error): Rework to have args in printf-style.
3473 (set_internal_error_function): Renamed from set_fatal_function.
3474 (internal_error): Renamed from fatal.
3475 (error_recursion, fancy_abort): Call internal_error instead of fatal.
3476 * dwarf2out.c (get_cfa_from_loc_descr): Likewise.
3477 * emit-rtl.c (gen_realpart, gen_imagpart): Likewise.
3478 * expr.c (check_max_integer_computation_mode, expand_expr): Likewise.
3479 * flow.c (verify_flow_info): Likewise.
3480 * config/arm/arm.c (thumb_unexpanded_epilogue): Likewise.
3481 * config/mips/mips.c (save_restore_insns): Likewise.
3483 * except.c (duplicate_eh_handlers): Call abort instead of fatal.
3484 * flow.c (verify_flow_info): Likewise.
3485 * config/arm/arm.c (thumb_load_double_from_address): Likewise.
3486 * config/avr/avr.c (pttreg_to_str, unique_section): Likewise.
3487 (avr_normalize_condition): Likewise.
3488 * config/c4x/c4x.c (c4x_emit_libcall, c4x_valid_operands): Likewise.
3489 * config/dsp16xx/dsp16xx.c (dsp16xx_reg_class_from_letter): Likewise.
3490 (limit_reload_class, double_reg_to_memory): Likewise.
3491 (print_operand_address, emit_1600_code_shift): Likewise.
3492 (gen_tst_reg, gen_compare_reg): Likewise.
3493 * config/m68hc11/m68hc11.c (m68hc11_emit_libcall): Likewise.
3494 * config/dsp16xx/dsp16xx.c (dsp16xx_invalid_register_for_compare):
3495 Deleted.
3496 * config/dsp16xx/dsp16xx.md (unnamed cmphi): Call abort instead of it.
3498 * c-parse.in (methoddef): Call fatal_error instead of fatal.
3499 * objc/objc-act.c (build_ivar_chain): Likewise.
3500 * dwarfout.c (dwarfout_init): Call fatal_io_error instead of
3501 pfatal_with_name.
3502 * graph.c (clean_graph_dump_file): Likewise.
3503 * profile.c (init_branch_prob): Likewise.
3504 * objc/objc-act.c (objc_init): Likewise.
3506 * config/arm/arm.c (arm_override_options): Make errors non-fatal.
3507 * config/avr/avr.c (avr_override_options): Likewise.
3508 * config/c4x/c4x.c (c4x_expand_prologue): Likewise.
3509 * config/dsp16xx/dsp16xx.c (function_prologue): Likewise.
3510 * config/h8300/h8300.c (h8300_init_once): Likewise.
3511 * config/mips/mips.c (override_options): Likewise.
3512 * config/i386/i386.c (override_options): Likewise, rework.
3513 * config/m68k/m68k.c (override_options): Likewise.
3515 * config/dsp16xx/dsp16xx.c (print_operand): Call output_operand_lossage
3516 instead of fatal.
3517 * config/mips/mips.c (print_operand): Likewise.
3518 * hash.c (hash_allocate): Don't check for failure returns from
3519 obstack functions that can't fail.
3520 (hash_table_init_n, hash_table_init): Likewise; also now return void.
3521 * hash.h (hash_table_init_n, hash_table_init): Now return void.
3522 * objc/objc_act.c (objc_check_decl): Remove unneeded fatal call.
3523 (get_object_reference): Likewise.
3525 2001-02-04 Nick Clifton <nickc@redhat.com>
3527 * config/arm/arm.c (all_cores): Add 710T, 720T, 740T, 940T, 9e,
3528 StrongARM1110, 10TDMI, and 1020T.
3530 2001-02-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3532 * mips.h (MULTILIB_ISA_DEFAULT): Don't use #elif.
3534 2001-02-04 Alexandre Oliva <aoliva@redhat.com>
3536 * config/sh/sh.md (movdf load split): Pass register number to
3537 FP_OR_XD_REGISTER_P.
3539 2001-02-04 Mark Mitchell <mark@codesourcery.com>
3541 * cppinit.c (BC): New macro.
3542 (builtin_array): Add __GXX_WEAK__.
3543 * cpplib.h (builtin_type): Add BT_WEAK.
3544 * cppmacro.c (builtin_macro): Handle BT_WEAK.
3545 * defaults.h (SUPPORTS_ONE_ONLY): Define.
3546 * varasm.c (SUPPORTS_ONE_ONLY): Do not define.
3548 2001-02-03 Jakub Jelinek <jakub@redhat.com>
3550 * cppinit.c (append_include_chain): Honor NO_IMPLICIT_EXTERN_C.
3552 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3554 * cpphash.h: Rename _ALIGN POOL_ALIGN.
3555 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3557 2001-02-03 Neil Booth <neil@daikokuya.demon.co.uk>
3559 * cpphash.h: Rename ALIGN _ALIGN.
3560 * cpplex.c (new_chunk, _cpp_pool_reserve): Update.
3562 Fri Feb 2 23:15:29 2001 Christopher Faylor <cgf@cygnus.com>
3564 * config/i386/cygwin.h (CPP_SPEC): Reorganize YA to better handle cross
3565 compilation environment.
3566 * config/i386/t-cygwin (T_CPPFLAGS): Define CYGWIN_CROSS_DIR to allow
3567 control over location of cygwin includes and libs.
3569 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3571 * c4x.h (HARD_REGNO_CALL_PART_CLOBBERED): Fix typo.
3573 2001-02-02 lars brinkhoff <lars@nocrew.org>
3575 * md.texi (Standard Names): remove reference to spur.md.
3577 2001-02-03 Michael Hayes <m.hayes@elec.canterbury.ac.nz)
3579 * c4x.h (IS_INT_CALL_SAVED_REG, IS_FLOAT_CALL_SAVED_REG): Define.
3580 (HARD_REGNO_CALL_PART_CLOBBERED): Use IS_FLOAT_CALL_SAVED_REG.
3581 (INITIAL_FRAME_POINTER_OFFSET, INITIAL_ELIMINATION_OFFSET): Likewise.
3582 * c4x.c (c4x_hard_regno_rename_ok): Use IS_XXX_CALL_SAVED_REG.
3583 (c4x_expand_prologue, c4x_expand_epilogue): Likewise.
3585 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3587 * c4x.c (group1_reg_operand, group1_mem_operand, arx_reg_operand,
3588 c4x_arn_reg_operand, c4x_arn_mem_operand): Do not check register
3589 number before reload.
3590 (c4x_adjust_cost): Return zero before reload.
3591 * c4x.md (load_immed_address+1, load_immed_address+2): Do not
3592 split before reload.
3594 2001-02-03 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3596 * c4x.c (c4x_hard_regno_rename_ok): New.
3597 * c4x-protos.h (c4x_hard_regno_rename_ok): New.
3598 * c4x.h (HARD_REGNO_RENAME_OK): Define.
3600 Fri Feb 2 20:03:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3602 * diagnostic.h: Add missing "extern" in all declarations.
3604 2001-02-02 Alex Samuel <samuel@codesourcery.com>
3606 * Makefile.in (gcc_gxx_target_include_dir): Generate dynamically
3607 as for gcc_gxx_include_dir.
3609 2001-02-02 Neil Booth <neil@daikokuya.demon.co.uk>
3611 * cpp.texi, invoke.texi: Update -Wtraditional documentation.
3613 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3615 * config/sh/sh.c (output_far_jump): Don't use braf on SH1. Emit
3616 label before alignment to be used as the braf base address.
3617 * config/sh/sh.md (length): Use longer lengths for SH1 PIC far
3618 branches.
3619 (casesi_jump_2): Require at least TARGET_SH2.
3621 * config/float-sh.h (LDBL_EPSILON, LDBL_MIN, LDBL_MAX): Prevent
3622 truncation to 32-bit doubles on -m3e and -m4-single-only.
3624 2001-02-02 Mark Mitchell <mark@codesourcery.com>
3626 * gcc.c (init_gcc_specs): New function. Make -shared-libgcc
3627 the default when building a shared object.
3628 (init_spec): Use it.
3629 * testsuite/lib/g++.exp: Include the directory where libgcc
3630 is located to the LD_LIBRARY_PATH list.
3631 * invoke.texi (-shared-libgcc): Document the cases in which
3632 GCC defaults to using the shared libgcc.
3634 2001-02-02 Alexandre Oliva <aoliva@redhat.com>
3636 * config/fp-bit.h (MAX_USI_INT, MAX_SI_INT): Don't assume
3637 unsigned is wide enough.
3638 (BITS_PER_SI): New.
3639 * config/fp-bit.c (_fpmul_parts): Don't assume 32-bits SI.
3640 (si_to_float): Likewise.
3641 (float_to_si, float_to_usi): Use BITS_PER_SI.
3643 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3645 * dwarf2out.c: Added explanation of abbreviations.
3646 (def_cfa_1): Added comments listing DWARF2 instructions.
3647 (cfa_temp_reg): Removed in favor of cfa_temp.
3648 (cfa_temp_value): Removed in favor of cfa_temp.
3649 (cfa_temp): New global variable.
3650 (dwarf2out_frame_debug_expr): Added extensive introductory
3651 comments explaining the function's transformations. Revised to
3652 use cfa_temp. Added some rtx checking. Generalize IOR case.
3653 (dwarf2out_frame_debug): Revised to use cfa_temp.
3654 (output_aranges): Cast as "unsigned" to avoid warning.
3655 * rtl.texi (RTX_FRAME_RELATED_P): Revise entry to emphasize better
3656 explain which instructions must be marked.
3658 2001-02-01 Richard Henderson <rth@redhat.com>
3660 * local-alloc.c (update_equiv_regs): Copy INSN_CODE to the
3661 new instruction.
3663 2001-02-01 Alexandre Oliva <aoliva@redhat.com>
3665 * config/sh/crt1.asm (main_k): Modified so that start calls
3666 ___setup_argv_and_call_main.
3668 2001-02-01 Neil Booth <neil@daikokuya.demon.co.uk>
3670 * cpphash.h (struct cpp_buffer): Move saved_flags from cpp_reader.
3671 * cpplex.c (_cpp_lex_token): New token picks up the saved flags,
3672 and AVOID_LPASTE is cleared on meeting an unescaped newline.
3673 * cppmacro.c (builtin_macro): Set builtin flags here.
3674 (paste_all_tokens): Preserve AVOID_LPASTE on pasted token.
3675 (replace_args): Clarify intent.
3676 (cpp_get_token): Macro expansion tokens get the saved flags.
3677 Update.
3678 * cppmain.c (scan_buffer): Remove now-redundant print.printed
3679 check.
3681 2001-02-01 Jeffrey Oldham <oldham@codesourcery.com>
3683 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Reverse change of
3684 2001-Jan-29.
3686 Thu Feb 1 07:22:41 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
3688 * builtins.c (expand_builtin_alloca): allocate_dynamic_stack_space
3689 returns Pmode pseudo, but we need ptr_mode.
3690 * explow.c (allocate_dynamic_stack_space): Use plus_constant.
3691 Remove bogus conversions; use HOST_WIDE_INT for size.
3692 Don't use TARGET if wrong mode.
3694 * config/i386/i386.c (ix86_compute_frame_size): Allow
3695 stack_alignment_needed to be non-default even if size is zero.
3697 2001-01-31 Alan Modra <alan@linuxcare.com.au>
3699 * (hppa_init_pic_save): Emit the pic offset table
3700 reg save after last_parm_insn.
3701 * pa.c (hppa_init_pic_save): New function.
3702 * pa.h (hppa_init_pic_save): Declare.
3703 * pa.md (call, call_value, sibcall, sibcall_value): Use
3704 the above instead of duplicated code.
3706 * pa.c (hppa_encode_label): Correct size of alloca buffer
3707 so we don't overrun it. Correct leading `*' case.
3708 * pa.h (STRIP_NAME_ENCODING): Simplify now that we don't
3709 need to handle `*@'.
3710 (FUNCTION_NAME_P): Likewise.
3712 2001-01-31 Richard Henderson <rth@redhat.com>
3714 * config.gcc (alpha-osf5): Use float-i128.h.
3716 * config/float-i128.h (FLT_EVAL_METHOD, DECIMAL_DIG): Define.
3717 * config/float-i32.h: Likewise.
3718 * config/float-i64.h: Likewise.
3719 * config/float-sh.h: Likewise.
3720 * config/float-sparc.h: Likewise.
3722 2001-01-31 DJ Delorie <dj@redhat.com>
3724 * expmed.c (extract_bit_field): allow non-integral modes if we
3725 want to extract a whole register from itself.
3727 2001-01-31 Jakub Jelinek <jakub@redhat.com>
3729 * c-typeck.c (set_init_index): If first is equal to last, assume as
3730 if it was not a range at all.
3732 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3734 * config/fp-bit.c: Include tm.h.
3735 (float_to_si): Don't assume SImode is 32-bits wide.
3736 (float_to_usi): Likewise.
3738 2001-01-31 Joseph S. Myers <jsm28@cam.ac.uk>
3740 * c-parse.in (structsp): Pedwarn when "enum foo" refers to an
3741 incomplete type.
3742 (typename): Call pending_xref_error after parsing typed_typespecs.
3743 * c-decl.c (lookup_tag): Give error immediately rather than
3744 leaving it pending if the tag of the wrong type is in the same
3745 binding level.
3746 (xref_tag): Don't pedwarn for forward declarations of enum types
3747 here.
3748 * gcc.texi (Actual Bugs): Remove entry for misuse of struct, union
3749 and enum tags.
3751 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3753 * config/float-sparc.h (LDBL_MAX) [sparc32]: Fix typo.
3755 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3757 * cpplib.c (T_ELIF): Move to STDC89, not that it matters.
3758 (_cpp_handle_directive): Suggest not using #elif with -Wtraditional.
3760 2001-01-31 Neil Booth <neil@daikokuya.demon.co.uk>
3762 * cpphash.h (struct cpp_reader): New saved_flags.
3763 * cppmacro.c (cpp_get_token): Use saved_flags to remember
3764 to avoid a paste after a pasted token.
3766 2001-01-31 Alexandre Oliva <aoliva@redhat.com>
3768 * libgcc2.h (Wtype_MAX, Wtype_MIN): Define.
3769 * libgcc2.c (__fixunssfSI, __fixunsdfSI, __fixunsxfSI): Use
3770 Wtype_MIN instead of LONG_MIN.
3772 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3774 * fixinc/fixincl.tpl: Add 2001 to copyright. Change name of
3775 README file.
3776 * fixinc/fixincl.x: Regenerated.
3777 * fixinc/inclhack.def (irix_limits_const): New definition to
3778 convert "const" to "__const" in limits.h.
3780 2001-01-30 Jeffrey Oldham <oldham@codesourcery.com>
3782 * fixinc/genfixes (AG): Fix "autogen4" thinko.
3784 2001-01-30 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
3786 * regmove.c (try_auto_increment): Change REG_DEAD into REG_UNUSED
3787 when register dies in the insn.
3789 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3791 * diagnostic.c (fatal): Fix word wrap.
3793 2001-01-30 Alexandre Oliva <aoliva@redhat.com>
3795 * combine.c (try_combine): Fix SUBREG setting for
3796 HOST_BITS_PER_WIDE_INT >= 2 * BITS_PER_WORD.
3798 2001-01-30 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
3800 * jump.c (comparison_dominates_p): Don't try to handle UNKNOWN
3801 comparison codes.
3803 2001-01-30 Neil Booth <neil@daikokuya.demon.co.uk>
3805 * c-decl.c (c_expand_body): Check TYPE_SIZE_UNIT (ret_type)
3806 is not NULL.
3807 * toplev.c (decode_W_option): Update warn_larger_than
3808 unconditionally for each processed switch.
3810 2001-01-30 John David Anglin <dave@hiauly1.hia.nrc.ca>
3812 * pa.c (pa_init_machine_status): Initialize pic_offset_table_save_rtx
3813 to NULL_RTX.
3814 (hppa_expand_prologue): Delete code to save pic offset table register
3815 in the function prologue.
3816 * pa.h (PIC_OFFSET_TABLE_SAVE_RTX): Correct type in comment.
3817 * pa.md (call, call_value, sibcall, sibcall_value): Save the pic offset
3818 table register at the beginning of the function after the prologue.
3820 2001-01-29 lars brinkhoff <lars@nocrew.org>
3822 * tm.texi (PUSH_ROUNDING): Remove duplicate lines.
3824 2001-01-29 John David Anglin <dave@hiauly1.hia.nrc.ca>
3825 Jeff Law <law@redhat.com>
3827 * pa.md (return): Revise comment for trivial return.
3828 (return_internal): Non-trivial return pattern for non-PIC code.
3829 (return_internal_pic): Non-trivial return pattern for PIC code.
3830 It uses the PIC register to ensure it is restored after
3831 function calls.
3832 (epilogue): Generate appropriate return for PIC and non-PIC code.
3834 Mon Jan 29 23:53:14 2001 Christopher Faylor <cgf@cygnus.com>
3836 * config/i386/cygwin.h: Fix -mno-cygwin search path for link.
3838 2001-01-29 DJ Delorie <dj@redhat.com>
3840 * combine.c (if_then_else_cond): Pass the correct mode to
3841 operand_subword() for constants.
3843 Mon Jan 29 20:38:19 2001 Christopher Faylor <cgf@cygnus.com>
3845 * config/i386/cygwin.h: Add w32api to include search. Search different
3846 directories in a cross-build environment.
3848 2001-11-29 Tim Josling <tej@melbpc.org.au>
3850 * tree.h (TYPE_STUB_DECL): Add documentation.
3852 2001-11-29 Laurynas Biveinis <lauras@softhome.net>
3854 * sdbout.c (sdbout_one_type): Skip types with indeterminate size.
3855 (sdbout_field_types): Likwise. Fix use of host_integerp.
3857 2001-01-29 Thomas Pfaff <tpfaff@gmx.net>
3859 * mingw32.h: Override STARTFILE_SPEC and LINK_SPEC declared in
3860 cygwin.h.
3862 2001-01-29 Jeffrey Oldham <oldham@codesourcery.com>
3864 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Revise definition
3865 to use flag_gnu_linker.
3867 2001-01-29 Neil Booth <neil@daikokuya.demon.co.uk>
3869 * cpplib.c (T_BAD_DIRECTIVE): Remove.
3870 (_cpp_init_stacks): Loop from 0 to N_DIRECTIVES - 1.
3872 2001-01-29 Joseph S. Myers <jsm28@cam.ac.uk>
3874 * tree.c, tree.h (build_parse_node): Remove; was identical to
3875 build_nt.
3876 * c-lang.c (start_cdtor), objc/objc-act.c
3877 (build_module_descriptor): Use build_nt instead of
3878 build_parse_node.
3880 2001-01-29 Jakub Jelinek <jakub@redhat.com>
3882 * config/i386/i386.md (addqi_1_lea): Fix mode (QI instead of HI).
3883 (testqi_1, andqi_2): If widening to SImode, make sure CONST_INT does
3884 not have any upper bits set.
3886 2001-01-29 Phil Edwards <pme@sources.redhat.com>
3888 * COPYING.LIB: Update to LGPL 2.1 from the FSF.
3890 2001-01-28 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3892 * stmt.c (estimate_case_costs): Use integer_minus_one_node.
3894 * tree.c (build_common_tree_nodes_2): Set integer_minus_one_node.
3896 * tree.h (tree_index): Add new element TI_INTEGER_MINUS_ONE.
3897 (integer_minus_one_node): Define.
3899 2001-01-28 Alexandre Oliva <aoliva@redhat.com>
3901 * Makefile.in (bootstrap2-lean): Fix typo.
3903 2001-01-28 Neil Booth <neil@daikokuya.demon.co.uk>
3905 * cpphash.c (_cpp_cleanup_hashtable, _cpp_lookup_with_hash)
3906 : Don't set fe_value.
3907 * cpplib.h (AVOID_LPASTE): New flag.
3908 (struct cpp_hashnode): Remove fe_value.
3909 * cpplex.c (cpp_avoid_paste): Don't paste '.' with a number.
3910 * cppmacro.c (builtin_macro): Don't set flags here.
3911 (replace_args): Set AVOID_LPASTE flag on first token of an
3912 argument, and the token following it.
3913 (cpp_get_token): Set AVOID_LPASTE flag on first token of a
3914 macro expansion, and on the token following it. Do it for
3915 builtins too.
3916 * cppmain.c (scan_buffer): Avoid pasting only flagged tokens.
3918 2001-01-27 Richard Henderson <rth@redhat.com>
3920 * config/alpha/t-ieee: Remove multilibbing.
3921 (TARGET_LIBGCC2_CFLAGS): Add -mieee.
3923 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3925 * configure.in: Arrange to include defaults.h in [ht]config.h/tm.h.
3927 * Makefile.in: Remove all dependencies on defaults.h.
3928 * builtins.c: Don't include defaults.h.
3929 * c-common.c: Likewise.
3930 * c-decl.c: Likewise.
3931 * c-pragma.c: Likewise.
3932 * c-typeck.c: Likewise.
3933 * combine.c: Likewise.
3934 * i386.c: Likewise.
3935 * frame-ia64.c: Likewise.
3936 * cppexp.c: Likewise.
3937 * crtstuff.c: Likewise.
3938 * dbxout.c: Likewise.
3939 * dwarf2out.c: Likewise.
3940 * dwarfout.c: Likewise.
3941 * emit-rtl.c: Likewise.
3942 * except.c: Likewise.
3943 * expr.c: Likewise.
3944 * final.c: Likewise.
3945 * frame-dwarf2.c: Likewise.
3946 * libgcc2.c: Likewise.
3947 * optabs.c: Likewise.
3948 * profile.c: Likewise.
3949 * sdbout.c: Likewise.
3950 * toplev.c: Likewise.
3951 * tradcif.y: Likewise.
3952 * tree.c: Likewise.
3953 * varasm.c: Likewise.
3955 2001-01-27 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
3957 * builtins.c (expand_builtin_fputs): Use size_one_node when
3958 transforming into fwrite.
3960 2001-01-27 Joseph S. Myers <jsm28@cam.ac.uk>
3962 * extend.texi (Attribute Syntax): New section.
3964 2001-01-27 Michael Sokolov <msokolov@ivan.Harhan.ORG>
3966 * fixproto: Correctly install synthesised unistd.h and stdlib.h when
3967 they didn't need fixing.
3969 2001-01-27 Janis Johnson <janis@us.ibm.com>
3971 * config.gcc (i[34567]86-sequent-{ptx4*,sysv4*}): Use usegas.h
3972 if appropriate.
3973 * config/ptx4.h: Several fixes to build on DYNIX/ptx v4.[456], and
3974 to remove macro definitions that are duplicated from elfos.h.
3976 2001-01-27 Richard Henderson <rth@redhat.com>
3978 * config/i386/sco5gas.h: Move ...
3979 * config/usegas.h: ... here.
3980 * config.gcc (i[34567]86-*-sco3.2v5) [tm_file]: Update.
3982 2001-01-27 Jakub Jelinek <jakub@redhat.com>
3984 * c-typeck.c (struct constructor_stack): Add range_stack member.
3985 (really_start_incremental_init): Clear it.
3986 (push_init_level): Save constructor_range_stack and clear it if
3987 pushing explicit braces.
3988 (pop_init_level): abort if constructor_range_stack is non-zero at
3989 explicit closing brace. Restore saved constructor_range_stack if
3990 not implicit.
3992 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3994 * expr.c (emit_move_insn): Add REG_EQUAL note when constant loaded
3995 into register was forced into memory.
3997 2001-01-27 Alexandre Oliva <aoliva@redhat.com>
3999 * Makefile.in: Remove uses of + before $(MAKE).
4001 2001-01-26 Richard Henderson <rth@redhat.com>
4003 * stmt.c (cost_table): Remove.
4004 (COST_TABLE, cost_table_initialized): New.
4005 (estimate_case_costs): Use the later instead of the former.
4006 (balance_case_nodes): Likewise.
4008 2001-01-26 Richard Henderson <rth@redhat.com>
4010 * alias.c (objects_must_conflict_p): Read-only slots may not
4011 conflict despite having the same type.
4013 2001-01-27 Michael Hayes <mhayes@redhat.com>
4015 * loop.c (loop_giv_reduce_benefit): Copy mode size into
4016 int variable.
4017 (check_ext_dependant_givs): Initialise u_start_val and
4018 u_end_val.
4019 (load_mems): Make last_max_reg unsigned.
4020 (try_swap_copy_prop): Use INSN_P and initialise set.
4022 Fri Jan 26 23:22:58 2001 Denis Chertykov <denisc@overta.ru>
4024 * README.AVR : Removed.
4026 Fri Jan 26 11:37:26 2001 Jeffrey A Law (law@cygnus.com)
4028 * pa-64.h (text_section): Remove declaration.
4030 * pa.md (return_internal): Remove mode on PIC register use.
4032 2001-01-25 lars brinkhoff <lars@nocrew.org>
4034 * tm.texi (DATA_ALIGNMENT, LOCAL_ALIGNMENT, ASM_OPEN_PAREN,
4035 ASM_CLOSE_PAREN): fix typos.
4037 2001-01-25 Mark Mitchell <mark@codesourcery.com>
4039 * acconfig.h: Define `const' to the empty string if neither
4040 __STDC__ nor __cplusplus is defined.
4041 * config.in: Regenerated.
4043 2001-01-25 David Edelsohn <edelsohn@gnu.org>
4045 * config.gcc (rs6000-ibm-aix[5-9]*): Change to aix51.h.
4046 * collect2.c (main): Delete importf. Add ".obj" file extension.
4047 (GCC_CHECK_HDR): Handle AIX V5 new magic number.
4048 (aix_std_libs): Add additional AIX libraries to skip.
4049 * config/rs6000/aix.h (MY_ISCOFF): Add AIX V5 new magic number.
4050 * config/rs6000/aix51.h: New file.
4052 2001-01-25 Michael Hayes <mhayes@redhat.com>
4054 * loop.c (loop_call_insn_emit_before, loop_call_insn_hoist): New.
4055 (loop_insn_emit_before): No longer static.
4056 (move_movables): Replace emit_insn_after with loop_insn_emit_after.
4057 (loop_givs_rescan, load_mems): Likewise.
4058 (check_dbra_loop): Replace emit_insn_before with loop_insn_emit_before.
4059 (maybe_eliminate_biv_1):
4060 (move_movables): Replace emit_call_insn_before with
4061 loop_call_insn_hoist.
4062 * loop.h (loop_insn_emit_before): Add.
4063 * unroll.c (copy_loop_body): Replace emit_insn_before with
4064 loop_insn_emit_before.
4066 2001-01-25 Neil Booth <neil@daikokuya.demon.co.uk>
4068 * diagnostic.c (fatal): Request preprocessed source.
4070 Thu Jan 25 02:01:16 2001 J"orn Rennecke <amylaar@redhat.com>
4072 * c-decl.c (duplicate_decls): If different_binding_level is nonzero,
4073 olddecl has argument types and newdecl has none, use the argument
4074 types from olddecl.
4076 2001-01-24 Ulrich Drepper <drepper@redhat.com>
4078 * dwarf2out.c (prefix_of): New function. Determine longest common
4079 prefix of the two arguments. The units are whole path components.
4080 (output_file_names): When adding a new directory find the one entry
4081 with the longest common prefix already in the list. Artificially
4082 generate entry if there is none for this prefix.
4083 Fix test to check whether the zeroth directory entry is used.
4085 Wed Jan 24 23:51:55 2001 J"orn Rennecke <amylaar@redhat.com>
4087 * reload1.c (reload_reg_free_for_value_p): New parameter start_regno.
4088 Changed all callers. Take it into account when deciding if a
4089 previously loaded value matches.
4091 2001-01-24 Richard Henderson <rth@redhat.com>
4093 * reload.c (find_reloads_subreg_address): Fail the substitution
4094 if the resulting address is insufficiently aligned.
4096 2001-01-24 DJ Delorie <dj@redhat.com>
4098 * combine.c (combine_simplify_rtx): If the modes are all VOIDmode,
4099 check the original operand's mode also.
4100 * simplify-rtx.c (simplify_ternary_operation): Ditto.
4102 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4104 * c-parse.in (cast_expr): Move compound literals from here ...
4105 (primary): ... to here. Use standard terminology "compound
4106 literal" instead of "constructor expression".
4108 2001-01-24 Joseph S. Myers <jsm28@cam.ac.uk>
4110 * gcc.1, cpp.1: Regenerate.
4112 2001-01-24 Alexandre Oliva <aoliva@redhat.com>
4114 * calls.c (emit_library_call_value_1): Memory slot for
4115 pass-by-reference argument should have the mode of the argument,
4116 not of the pointer to it.
4118 2001-01-24 Tom Tromey <tromey@redhat.com>
4120 * gcc.texi (G++ and GCC): Mention gcj manual.
4121 (Standards): Link to section of manual mentioning gcj/Java
4122 compatibility.
4124 2001-01-24 Jakub Jelinek <jakub@redhat.com>
4126 * cppfiles.c (_cpp_read_file): Add to dependencies if requested.
4127 * cppinit.c (cpp_start_read): Remove deps_add_dep call.
4128 * tradcpp.c (main): Add -imacros or -include'd dependencies
4129 for -M*.
4130 * cpp.texi (-M, -MM): Document -M -include behaviour.
4132 2001-01-24 Roger Collins <roger@ProProject.com>
4134 * config/i386/xm-i386.h: Make __i386__ a boolean macro.
4136 2001-01-24 Will Cohen <wcohen@redhat.com>
4138 * config/mips/abi64.h (RETURN_IN_MEMORY): Always take into account
4139 whether registers are 32 bits or 64 bits in size.
4141 2001-01-24 Ben Elliston <bje@redhat.com>
4143 * config/m32r/m32r.h (PREDICATE_CODES): Remove m32r_not_same_reg.
4145 2001-01-24 Richard Henderson <rth@redhat.com>
4147 * config/alpha/alpha.md (builtin_longjmp_internal): New.
4148 (builtin_longjmp): Use it instead of emit_indirect_jump.
4150 2001-01-23 John David Anglin <dave@hiauly1.hia.nrc.ca>
4152 * bb-reorder.c (make_reorder_chain_1): Handle case where
4153 jump edge goes to the same block as the fallthru edge.
4155 2001-01-23 Jim Wilson <wilson@redhat.com>
4157 * dwarf2out.c (dwarf2out_line): Make last_file_num be unsigned.
4158 * frame.h (__ia64_personality_v1): Add prototype.
4159 * libgcc2.c (ia64_throw_helper): Change personality declaration to
4160 prototype form. Add void * cast to first argument to personality
4161 call.
4162 * real.c (e113toe): Surround with INTEL_EXTENDED_IEEE_FORMAT ifdefs.
4163 (asctoe113): Likewise.
4164 * config/ia64/frame-ia64.c: Include eh-common.h.
4165 * config/ia64/ia64-protos.h (sdata_section, sbbs_section): Add
4166 prototypes.
4167 * config/ia64/ia64.c (emit_insn_group_barriers): Add ATTRIBUTE_UNUSED
4168 to dump parameter.
4169 (itanium_split_issue): Add prototype.
4170 (gen_nop_type): Ifdef out.
4171 (find_best_packet): Initialize best_packet.
4172 (ia64_encode_section_info): New local string. Use for ggc_alloc_string
4173 result.
4174 * config/ia64/ia64.h (ASM_OUTPUT_LONG_DOUBLE): Use 0L not 0.
4175 * config/ia64/ia64.md (bsp_value): Add explicit stop bit at start.
4176 (flushrs): Add explicit stop bit at end.
4177 * config/ia64/lib1funcs.asm (__ia64_restore_stack_nonlocal): Change
4178 trailing \ to >.
4180 2001-01-23 Chris Demetriou <cgd@broadcom.com>
4182 * libgcc-std.ver (GCC_3.0): Add __terminate_func_set to list
4183 of EH symbols.
4184 * libgcc2.c (__terminate_func): Make variable static.
4185 (__terminate_set_func): New function to set __terminate_func.
4186 * libgcc2.h (__terminate_func_ptr): New typedef.
4187 (__terminate_set_func): New function.
4189 2001-01-23 Richard Henderson <rth@redhat.com>
4191 * flow.c (init_propagate_block_info): Don't consider unchanging
4192 memories for dead frame store elimination.
4194 2001-01-23 Richard Henderson <rth@redhat.com>
4196 * varasm.c (UNIQUE_SECTION): Move default implementation ...
4197 * defaults.h: ... here.
4199 2001-01-24 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
4201 * c4x.h (TARGET_LOAD_DIRECT_MEMS): Define.
4203 2001-01-23 Neil Booth <neil@daikokuya.demon.co.uk>
4205 * c-lex.c (lex_charconst): Fix typo: s/p/str.
4207 2001-01-23 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4209 * rs6000.h (rs6000_return_addr): Move prototype from here...
4210 * rs6000-protos.h (rs6000_return_addr): ...to here.
4211 (rs6000_init_expanders): Delete prototype.
4213 2001-01-23 Nick Clifton <nickc@redhat.com>
4215 * invoke.texi: Replace , with \, inside @gccoptlist macros.
4216 (Spec Files): Document %B and %j and %. and %v3 and %M and
4217 %{S*&T} spec switches.
4219 2001-01-24 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4221 * c4x.c (c4x_r11_set_p): Calculate rtx code correctly.
4223 2001-01-23 Chris Demetriou <cgd@sibyte.com>
4224 Neil Booth <neil@daikokuya.demon.co.uk>
4226 * cpperror.c: Merge handlers of PEDWARN and WARNING.
4227 Have -Werror make pedantic warnings errors, like the
4228 rest of GCC.
4230 2001-01-23 Phil Edwards <pme@sources.redhat.com>
4232 * c-tree.texi (IDENTIFIER_LENGTH): Fix typo.
4234 2001-01-23 Jakub Jelinek <jakub@redhat.com>
4236 * integrate.h (struct inline_remap): Add compare_src, compare_mode.
4237 * integrate.c (expand_inline_function): Initialize them.
4238 (subst_constants): If changing COMPARE so that both its arguments
4239 will be VOIDmode and the comparison mode will be lost, note
4240 compare_mode. Use the recorded compare_mode to optimize
4241 IF_THEN_ELSE.
4243 2001-01-23 Jason Merrill <jason@redhat.com>
4245 * dwarf2out.c (new_die): Use xcalloc.
4246 (output_die): Abort rather than emit a local reference to offset 0.
4248 2001-01-17 Andrew Haley <aph@redhat.com>
4250 * libgcc2.c (get_reg_addr): Don't abort if we haven't got a copy
4251 of a saved register; return NULL instead.
4252 (copy_reg): Take a pointer to a source register rather than a
4253 frame_state.
4254 (next_stack_level): Remember the address in the stack frame of all
4255 saved registers.
4256 Use the saved register pointer array as the source of the CFA.
4257 (throw_helper): Rewrite. Unwind once rather than twice and keep
4258 track of saved registers as we go.
4260 2001-01-23 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4262 * c4x-protos.h (c4x_legitimize_reload_address): Remove.
4263 * c4x.c (c4x_legitimize_reload_address): Remove.
4264 * c4x.h (LEGITIMIZE_RELOAD_ADDRESS): Rewrite to generate correct
4265 reload address for ldp(k) insn.
4267 Mon Jan 22 20:53:47 2001 Jeffrey A Law (law@cygnus.com)
4269 * pa.md (return_internal): Add a USE of the PIC register to ensure
4270 it is restored after each call.
4271 (return expander): Corresponding changes.
4273 2001-01-22 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
4275 * rs6000.h (INIT_EXPANDERS): Delete.
4276 (RETURN_ADDR_RTX): Call rs6000_return_addr().
4277 * rs6000.c (rs6000_override_options): Call *_machine_status from
4278 here...
4279 (rs6000_init_expanders): ...instead of here. Delete.
4280 (rs6000_mark_machine_status): New function.
4281 (rs6000_init_machine_status): Use xcalloc.
4282 (rs6000_return_addr): Generate RTX for the return address.
4283 (rs6000_ra_ever_killed): New, check if LR was ever destroyed.
4284 (rs6000_stack_info): Use it.
4286 2001-01-22 Thomas Pfaff <tpfaff@gmx.net>
4288 * gthr-win32.h: Include errno.h to get a declaration for
4289 EINVAL and _mingw.h if the target is mingw32.
4291 2001-01-22 Andres Felipe Vargas <avargas@teletulua.com.co>
4293 * cpp.texi: Correct typos.
4295 Mon Jan 22 13:59:09 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4297 * explow.c (probe_stack_range): Ensure value passed to
4298 stack_check_libfunc is ptr_mode, not Pmode.
4300 Mon Jan 22 16:53:06 2001 J"orn Rennecke <amylaar@redhat.com>
4302 * recog.c (validate_replace_rtx_1): In ZERO_EXTEND / SIGN_EXTEND
4303 case, don't use operand_subword to calculate a SUBREG that is
4304 wider than a word.
4306 * rtl.texi: Comparisons yield 0 or STORE_FLAG_VALUE.
4308 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4310 * c4x.c (c4x_valid_rptb_p, c4x_label_ref_used_p): New functions.
4311 (c4x_rptb_insert): Call c4x_valid_rptb_p to check if repeat block is
4312 valid. If not replace it by equivalent insns.
4314 2001-01-22 Herman A.J. ten Brugge <Haj.Ten.Brugge@net.HCC.nl>
4316 * c4x.c (c4x_check_legit_addr): Only check CONST. Not if CONST
4317 contains SYMBOL_REF, LABEL_REF and CONST_INT.
4318 (c4x_U_constraint, symbolic_address_operand): Likewise.
4319 (c4x_immed_float_constant): Do not check if CONST_DOUBLE is in
4320 memory.
4321 (c4x_r11_set_p, c4x_check_laj_p): New functions.
4322 * c4x-protos.h (c4x_check_laj_p): Add prototype.
4323 * c4x.md (in_annul_slot_3): Do not allow auto-increment in last
4324 anulling slot because of silicon bug.
4325 (laj, lajv): Call c4x_check_laj_p to check for silicon bug.
4327 2001-01-22 Alan Modra <alan@linuxcare.com.au>
4329 * cppexp.c (parse_charconst): Change `mask' type to agree
4330 with parse_escape.
4332 2001-01-21 Richard Henderson <rth@redhat.com>
4334 * config/i386/i386.c (ix86_asm_file_end): Disable putting
4335 pic_label_name in a linkonce section.
4337 2001-01-17 Philipp Thomas <pthomas@suse.de>
4339 * aclocal.m4 (AM_WITH_NLS): Add -lintl to LIBS if gettext was
4340 found in libintl.
4341 * configure: Regenerate.
4343 Sun Jan 21 02:38:56 2001 J"orn Rennecke <amylaar@redhat.com>
4345 * expmed.c (synth_mult, expand_mult_highpart, expand_divmod): Guard
4346 uses of shift_cost, shiftadd_cost and shiftsub_cost with bound checks.
4348 Sun Jan 21 09:44:17 2001 Denis Chertykov <denisc@overta.ru>
4350 * config/avr/avr.c (ret_cond_branch): New argument (reverse) added.
4351 If REVERSE nonzero then condition code in X must be reversed.
4352 (encode_section_info): Optimise if/else.
4353 (avr_function_value): Fix formatting.
4355 * config/avr/avr.md (branch): Call to ret_cond_branch changed.
4356 (difficult_branch): Likewise.
4357 (rvbranch): Likewise.
4358 (difficult_rvbranch): Likewise.
4360 * config/avr/avr-protos.h (ret_cond_branch): Prototype changed.
4362 * config/avr/libgcc.S: Fix comment.
4364 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4366 * sdbout.c (PUT_SDB_DEF): Fix after last bogus change.
4368 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4370 * cppinit.c (INO_T_EQ): Don't use #elif, fix formatting.
4372 2001-01-20 Michael Sokolov <msokolov@ivan.Harhan.ORG>
4374 * aclocal.m4 (gcc_AC_FUNC_STRSTR): New macro.
4375 * configure.in (gcc_AC_FUNC_STRSTR): Add invokation.
4376 * configure, config.in: Regenerate.
4377 * Makefile.in (STRSTR, HOST_STRSTR, USE_HOST_STRSTR): New variables.
4378 (LIBDEPS, HOST_LIBDEPS, LIBS, HOST_LIBS): Add strstr handling.
4379 (strstr.o, $(HOST_PREFIX_1)strstr.o): New rules.
4380 (doprint.o): New rule.
4382 2001-01-20 Joseph S. Myers <jsm28@cam.ac.uk>
4384 * c-typeck.c (digest_init): Handle boolean types as scalars.
4386 Sat Jan 20 12:46:57 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4388 * stmt.c (expand_return): Don't return anything if size is zero.
4389 Delete redundant assignment to BYTES.
4390 * expr.c (move_block_from_reg): Do nothing if NREGS is zero.
4392 2001-01-20 Marek Michalkiewicz <marekm@linux.org.pl>
4394 * config/avr/avr.h (INIT_TARGET_OPTABS): Remove most of it, was
4395 the same as the default library function names.
4396 * config/avr/avr.md: Document special characters after '%'.
4397 (mulqi3, mulhi3, mulsi3): Call libgcc.S functions ourselves,
4398 knowing which of the call-used registers are really clobbered.
4399 (divmodqi4, udivmodqi4, divmodhi4, udivmodhi4, divmodsi4, udivmodsi4):
4400 New. Both quotient and remainder from one libgcc.S call.
4401 * config/avr/libgcc.S: Optimize mul/divmod for the new insns above,
4402 clobber as few registers as possible.
4403 * config/avr/t-avr (LIB1ASMFUNCS): Adjust for the above changes.
4405 2001-01-20 Neil Booth <neil@daikokuya.demon.co.uk>
4407 * cppmacro.c (funlike_invocation_p): Don't move back up to the
4408 context of the top of the stack.
4410 2001-01-20 Jakub Jelinek <jakub@redhat.com>
4412 * function.c (fixup_var_refs): Move CALL_PLACEHOLDER handling...
4413 (fixup_var_refs_insns): ...here.
4415 2001-01-20 Zack Weinberg <zack@wolery.stanford.edu>
4417 * function.c (fixup_var_refs_insns): Break up into
4418 fixup_var_refs_insn [body of loop], fixup_var_refs_insns
4419 [loop over entire insn list], and fixup_var_refs_insns_with_hash
4420 [loop over hash table entries].
4421 (fixup_var_refs): Adjust calls to fixup_var_refs_insns and/or
4422 fixup_var_refs_insns_with_hash, to match above changes.
4424 2001-01-19 John David Anglin <dave@hiauly1.hia.nrc.ca>
4426 * Makefile.in (ORDINARY_FLAGS_TO_PASS): Add MAKEOVERRIDES variable.
4427 (libgcc.a): Likewise.
4428 (stmp-multilib): Likewise.
4429 (STAGE2_FLAGS_TO_PASS): Likewise.
4431 2001-01-19 Alexandre Oliva <aoliva@redhat.com>
4433 * config/sh/sh.c (prepare_move_operands) [PIC]: Use operands[0] as
4434 temporary if no_new_pseudos.
4436 2001-01-19 Neil Booth <neil@daikokuya.demon.co.uk>
4438 * cppinternals.texi: Update.
4440 2001-01-19 Richard Earnshaw <rearnsha@arm.com>
4442 * arm.c (arm_init_builtins): Re-enable builtins.
4444 Fri Jan 19 13:02:56 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4446 * rtl.texi (SET, CLOBBER): Document PARALLEL as SET_DEST possibility.
4447 * flow.c (mark_set_1, case PARALLEL): Don't require BLKmode, allow
4448 element to be null, and always expect an EXPR_LIST.
4449 * rtlanal.c (reg_overlap_mentioned_p, note_stores): Likewise.
4450 * sched-deps.c (sched_analyze_1): Likewise.
4451 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4453 * regclass.c (max_set_parallel): New variable.
4454 (reg_scan): Take it into account in computation of max_parallel.
4455 (reg_scan_mark_refs, case SET): Compute it.
4457 * alias.c (rtx_equal_for_memref_p, case ADDRESSOF): Don't assume
4458 args are REG.
4459 * expr.c (store_constructor): Don't look at MEM_ALIAS_SET unless MEM.
4460 * function.c (assign_parms): Use INTVAL for a CONST_INT.
4462 2001-01-19 Jason Merrill <jason@redhat.com>
4464 * dwarf2out.c (gen_subprogram_die): Don't reuse the in-class decl
4465 for the abstract instance of an inline function.
4467 Fri Jan 19 14:31:35 2001 Alexandre Oliva <aoliva@redhat.com>
4468 J"orn Rennecke <amylaar@redhat.com>
4470 * reload1.c (move2add_note_store): Treat all registers directly or
4471 indirectly derived from a base register as members of the same set
4472 of values.
4473 (reload_cse_move2add): Adjust accordingly. Take mode and offset
4474 of base register into account.
4476 Fri Jan 19 09:18:42 2001 J"orn Rennecke <amylaar@redhat.com>
4478 * alias.c (find_base_value): Recognize TRUNCATE.
4479 (record_set): In PLUS case, invalidate if other summand is also a
4480 base value.
4482 Thu Jan 18 06:43:04 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4484 * flow.c (mark_set_1, case PARALLEL): New case; rework to allow
4485 entry to be EXPR_LIST.
4486 * rtlanal.c (reg_overlap_mentioned_p): Allow PARALLEL in SET to
4487 be an EXPR_LIST (but not null, which other code doesn't allow).
4488 (note_stores): Properly handle PARALLEL in SET.
4489 Recursively call for top-level PARALLEL.
4490 * sched-deps.c (sched_analyze_1): Handle EXPR_LIST in PARALLEL in SET.
4491 * sched-rgn.c (check_live_1, update_live_1): Likewise.
4493 * config.gcc (rs6000-ibm-aix*, rs6000-bull-bosx): Add rs6000/aix.h.
4495 2001-01-18 Neil Booth <neil@daikokuya.demon.co.uk>
4497 * cpplib.c (_cpp_handle_directive): Use buffer->was_skipping,
4498 not pfile->skipping (== 0).
4500 2001-01-17 Nick Clifton <nickc@redhat.com>
4502 * config/rs6000/rs6000.c: Add prototypes for {init|free}_
4503 machine_status.
4505 2001-01-17 Jim Wilson <wilson@redhat.com>
4507 * invoke.texi (IA-64 options): Improve.
4509 2001-01-17 Tom Tromey <tromey@redhat.com>
4511 * invoke.texi (Optimize Options): Use `{}' to around @samp
4512 argument.
4514 2001-01-17 Aldy Hernandez <aldyh@redhat.com>
4516 * invoke.texi (-fno-guess-branch-probability): New option.
4518 Wed Jan 17 13:26:34 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4520 * combine.c (try_combine): Don't set i3_subst_into_i2 for
4521 case of making new double-word constant.
4522 Revert last change: instead just test i3_subst_into_i2.
4524 2001-01-17 Jakub Jelinek <jakub@redhat.com>
4526 * config/i386/i386.md (cmpqi_minus_1): Use {b} for QImode operation.
4527 Use q constraints instead of r.
4529 Tue Jan 16 22:23:04 2001 Alan Modra (alan@linuxcare.com.au)
4531 * config/pa/pa.h (PIC_OFFSET_TABLE_REGNUM_SAVED): Remove.
4532 (machine_function): Define.
4533 (PIC_OFFSET_TABLE_SAVE_RTX) : Define.
4534 * config/pa/pa.c (pa_init_machine_status, pa_mark_machine_status,
4535 pa_free_machine_status): New functions.
4536 (override_options): Set {init,mark,free}_machine_status to above.
4537 (hppa_expand_prologue): Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4538 PIC_OFFSET_TABLE_REGNUM_SAVED.
4539 * config/pa/pa.md: Use PIC_OFFSET_TABLE_SAVE_RTX instead of
4540 PIC_OFFSET_TABLE_REGNUM_SAVED throughout.
4541 * config/pa/pa32-regs.h (CONDITIONAL_REGISTER_USAGE): Remove
4542 references to PIC_OFFSET_TABLE_REGNUM_SAVED.
4543 * config/pa/pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
4545 2001-01-15 DJ Delorie <dj@redhat.com>
4547 * Makefile.in (gcov.1): Protect against texi2pod/pod2man failing.
4548 (cpp.1): Ditto.
4549 (gcc.1): Ditto.
4551 Tue Jan 16 17:20:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4553 * flow.c (propagate_on_insn): Make trying to delete a prologue
4554 or epilogue insn an ICE, not a warning. Allow doing this if
4555 the current function returns with stack pointer depressed.
4557 * combine.c (try_combine): If i3_subst_into_i2, properly check for
4558 I3 having more than one SET.
4560 2001-01-16 Jim Wilson <wilson@redhat.com>
4562 * invoke.texi: Document IA-64 options.
4564 * config/ia64/ia64.c (ia64_print_operand_address): Delete 'B' support.
4565 (fixup_errata): Delete TARGET_A_STEP use.
4566 * config/ia64/ia64.h (MASK_A_STEP, TARGET_A_STEP): Delete.
4567 (TARGET_SWITCHES): Delete -ma-step option.
4568 * config/ia64/ia64.md (all FP patterns): Delete %B0.
4569 (movqicc_astep, movqi_internal_astep, movhicc_astep,
4570 movhi_internal_astep, movsicc_astep, movsi_internal_astep, movdi+1,
4571 movdi_internal_astep, movsfcc_astep, movsf_internal_astep,
4572 movdfcc_astep, movdf_internal_astep, movtfcc_astep,
4573 movtf_internal_astep, cmovdi_internal_astep, cmovsi_internal_astep):
4574 Delete.
4575 (movqi_internal, movhi_internal, movsi_internal, movdi_internal,
4576 movsf_internal, movdf_internal, movtf_internal, cmovdi_internal,
4577 cmovsi_internal): Delete ! TARGET_A_STEP check.
4579 2001-01-16 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
4581 * gcc.texi (Bug Lists): Do not mention newsgroups nor the
4582 possibility to report bugs via postal mail. Change a URL and
4583 merge in a nearly duplicate statement...
4584 (Bug Reporting): ...from here.
4585 (Service): Refer to the Bug Reporting section instead of
4586 duplicating an URL.
4587 (Contributing): Remove trivial explanations concerning snapshots.
4589 2001-01-16 Alan Modra <alan@linuxcare.com.au>
4591 * cppmain.c (general_init): Don't use ANSI prototype.
4593 2001-01-16 Tom Tromey <tromey@redhat.com>
4595 * gcc.c (cpp_options): Added `*' to specs for -MF, -MQ, and -MT.
4597 2001-01-16 Richard Henderson <rth@redhat.com>
4599 * config/i386/i386.h: Fix comment typo.
4600 * config/i386/i386.md (shift+compare pattern names): s/cmpno/cmp/
4601 (ashr+compare patterns): Match CCGOCmode not CCNOmode.
4603 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4605 * gcc.c: Revert previous -fsyntax-only-related change; move
4606 to cp/g++spec.c.
4608 2001-01-16 Jakub Jelinek <jakub@redhat.com>
4610 * config/i386/i386.c (fcmov_comparison_operator): Only initialize
4611 inmode after checking GET_CODE (op).
4613 2001-01-16 Richard Henderson <rth@redhat.com>
4615 * flow.c (struct propagate_block_info): Add mem_set_list_len.
4616 (MAX_MEM_SET_LIST_LEN): New.
4617 (propagate_one_insn): Update mem_set_list_len.
4618 (invalidate_mems_from_autoinc): Likewise.
4619 (invalidate_mems_from_set): Likewise.
4620 (mark_used_regs): Likewise.
4621 (init_propagate_block_info): Likewise. Stop collecting memories
4622 when we reach MAX_MEM_SET_LIST_LEN.
4623 (mark_set_1): Likewise.
4625 2001-01-16 Richard Henderson <rth@redhat.com>
4627 * unroll.c (precondition_loop_p): Fail if no iteration
4628 variable found.
4630 2001-01-16 Phil Edwards <pme@sources.redhat.com>
4632 * gcc.c: When -fsyntax-only is given, do not complain about
4633 unused libraries.
4635 2001-01-15 Richard Henderson <rth@redhat.com>
4637 * config/i386/i386.c (asm_output_function_prefix): Remove.
4638 (ix86_asm_file_end): New.
4639 (load_pic_register): Generate pic_label_name into a
4640 staticly allocated buffer.
4641 * config/i386/i386-protos.h: Update.
4642 * config/i386/i386.h (ASM_OUTPUT_FUNCTION_PREFIX): Remove.
4643 (ASM_FILE_END): New.
4644 * config/i386/i386afe.h: New file.
4645 * config.gcc (i?86-*-elf) [tm_file]: Use it.
4646 (i?86-*-{freebsd,linux*,moss*}): Likewise.
4647 * config/elfos.h (ASM_FILE_END): Undef before redefinition.
4648 * config/i386/cygwin.h (ASM_FILE_END): Likewise.
4649 * config/i386/osfrose.h (ASM_FILE_END): Invoke ix86_asm_file_end.
4650 * config/i386/sco5.h (ASM_FILE_END): Likewise.
4651 * config/i386/winnt.c (i386_pe_asm_file_end): Likewise.
4653 2001-01-15 Joseph S. Myers <jsm28@cam.ac.uk>
4655 * Makefile.in (install-man): Remove explicit dependency on
4656 $(srcdir)/gcc.1.
4658 * configure.in, configure: Revert previous patch requiring perl
4659 5.6.0.
4661 2001-01-12 Aldy Hernandez <aldyh@redhat.com>
4663 * toplev.c (flag_guess_branch_prob): New.
4664 (f_options): Add guess-branch-probability option.
4665 (rest_of_decl_compilation): Only estimate branch probability if
4666 flag set.
4667 (main): set flag_guess_branch_prob.
4669 * flags.h (flag_guess_branch_prob): New.
4671 2001-01-15 DJ Delorie <dj@redhat.com>
4673 * gcc.texi (Makefile): Add documentation for Makefile targets.
4675 2001-01-15 Philip Blundell <philb@gnu.org>
4677 * config/arm/arm.c (arm_finalize_pic): New arg "prologue".
4678 (is_pic): Delete.
4679 * config/arm/arm-protos.h (arm_finalize_pic): Update prototype.
4680 (is_pic): Delete declaration.
4681 * config/arm/arm.h (FINALIZE_PIC): Update call to arm_finalize_pic.
4682 (OUTPUT_INT_ADDR_CONST): Remove special handling of PIC address.
4683 * config/arm/arm.md (builtin_setjmp_receiver): New.
4685 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4687 * arm.c (use_return_insn): Don't try to determine the function type
4688 until after reload has completed.
4689 (arm_output_epilogue): Don't adjust the sp value recovered from the
4690 stack.
4691 (emit_multi_reg_push): Don't record dwarf information for the pc.
4692 * arm.md (eh_epilogue): The function type may have changed, so it
4693 needs to be recalculated.
4694 * arm/netbsd.h (DWARF2_UNWIND_INFO): Delete. Can now use dwarf2
4695 unwind tables on arm/netbsd.
4697 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4699 * arm.md (cbranchsi4): Correct calculation of branch ranges.
4700 (negated_cbranchsi4): Likewise.
4702 2001-01-15 Richard Earnshaw <rearnsha@arm.com>
4704 * config/arm/semi.h (SUBTARGET_EXTRA_SPECS): Define.
4705 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4706 (ASM_SPEC): Call subtarget_extra_asm_spec. Don't
4707 pass -mapcs-* options to assembler.
4708 * config/arm/elf.h (SUBTARGET_EXTRA_SPECS): Define.
4709 (SUBTARGET_EXTRA_ASM_SPEC): Define to empty string.
4710 (ASM_SPEC): Call subtarget_extra_asm_spec.
4712 2001-01-15 Andreas Jaeger <aj@suse.de>
4714 * config/i386/i386.c (ix86_init_builtins): Make i size_t to remove
4715 warnings.
4716 (ix86_expand_builtin): Likewise.
4718 * gencodes.c (output_predicate_decls): Make i size_t to avoid
4719 warning about comparison between signed and unsigned.
4721 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4723 * expr.c (do_jump): Treat VOIDmode CONST_DOUBLEs like CONST_INTs.
4725 2001-01-14 Ralf Baechle <ralf@gnu.org>
4727 * config/mips/linux.h (SUBTARGET_CPP_SPEC): Default ABI is 32; change
4728 SUBTARGET_CPP_SPEC apropriatly.
4730 2001-01-12 Mark Mitchell <mark@codesourcery.com>
4732 * varasm.c (make_decl_rtl): Fix typo in last change.
4734 2001-01-14 Jeffrey Oldham <oldham@codesourcery.com>
4736 * defaults.h (SUPPORTS_INIT_PRIORITY): New macro to indicate the
4737 linker supports the init_priority C++ attribute.
4738 * tm.texi (SUPPORTS_INIT_PRIORITY): Documentation for new macro.
4739 * config/mips/iris6.h (SUPPORTS_INIT_PRIORITY): Indicate Irix
4740 linker does not support init_priority C++ attribute.
4742 Sun Jan 14 22:31:30 2001 J"orn Rennecke <amylaar@redhat.com>
4744 * Makefile.in (libgcc1-test.o): Depends on stmp-int-hdrs.
4746 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4748 * c-parse.in (finish_parse): Add comment about cpp_destroy.
4749 * cp/lex.c (finish_parse): Similarly.
4750 * cppinit.c (cpp_cleanup): Rename cpp_destroy for clarity.
4751 Return the number of errors encountered.
4752 * cpplib.h (cpp_cleanup): Rename cpp_destroy, return int.
4753 * cppmain.c (main): Don't call cpp_destroy.
4755 2001-01-14 Joseph S. Myers <jsm28@cam.ac.uk>
4757 * configure.in: Require at least perl 5.6.0 to regenerate
4758 manpages.
4759 * configure: Regenerate.
4761 2001-01-14 Richard Henderson <rth@redhat.com>
4763 * genrecog.c (DT_veclen_ge): New.
4764 (add_to_sequence) [MATCH_PARALLEL]: Generate one.
4765 (maybe_both_true_2): Simplify DT_veclen vs DT_veclen_ge.
4766 (nodes_identical_1): Handle DT_veclen_ge.
4767 (write_cond, debug_decision_2): Likewise.
4769 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4771 * arm.md (ldmsi_postinc, ldmsi, stmsi_postinc, smsi): Delete. Replace
4772 with ...
4773 (ldmsi_postinc[432], ldmsi[432], stmsi_postinc[432], stmsi[432]): New.
4775 2001-01-14 Neil Booth <neil@daikokuya.demon.co.uk>
4777 * cppmain.c (do_preprocessing): New function; most of the old
4778 main.
4779 (main): Call it to do most of the work.
4780 (cb): Move from global scope to set_callbacks ().
4781 (setup_callbacks): Get the callback pointer.
4782 (general_init, printer_init): Clean up code and comments.
4784 2001-01-14 Richard Earnshaw <rearnsha@arm.com>
4786 * config/arm/semi.h (ASM_SPEC): Pass -k to the assembler when
4787 compiling PIC.
4789 2001-01-14 Kazu Hirata <kazu@hxi.com>
4791 * config/h8300/h8300.c (get_shift_alg): Update comments.
4793 Sun Jan 14 06:20:49 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4795 * ggc-page.c (alloc_annon): Call perror and correctly call exit.
4796 (alloc_page, ggc_alloc): Add casts to remove warnings.
4798 2001-01-14 Geoffrey Keating <geoffk@redhat.com>
4800 * combine.c (simplify_comparison): Don't change `code' when
4801 can't reverse comparison.
4803 2001-01-14 Richard Henderson <rth@redhat.com>
4805 * rtlanal.c (computed_jump_p_1): Rename from jmp_uses_reg_or_mem;
4806 update all call sites. Return true for all non-label constants.
4808 Sun Jan 14 10:09:48 MET 2001 Jan hubicka <jh@suse.cz>
4810 * i386.c (ix86_expand_compare): Add bypass_test and second_test
4811 parameters.
4812 (ix86_expand_branch): Update.
4813 (ix86_expand_setcc): Update to handle multiple test conditions.
4814 (expand_int_movcc): Likewise.
4815 (expand_fp_movcc): Likewise.
4816 * i386-protos.h (ix86_expand_compare): New.
4817 * i386.md (andqi_?_slp, orqi_?_slp): New.
4818 (conditional trap expander): Update call to ix86_expand_compare.
4820 2001-01-14 Richard Henderson <rth@redhat.com>
4822 * config/vax/vax.md: Use nonimmediate_operand instead of
4823 general_operand in destinations.
4825 * config/vax/vax.md (indirect_jump): Use register_operand.
4827 * config/vax/vax.h (RETURN_POPS_ARGS): Max at 255 arguments.
4828 * config/vax/vax.md (call_pop): Turn into an expander.
4829 (call_value_pop): Likewise.
4830 (call, call_value): New.
4832 2001-01-14 Andreas Jaeger <aj@suse.de>
4834 * config/i386/i386.c (ix86_split_fp_branch): Remove unused
4835 variables.
4836 (ix86_fp_compare_mode): Add unused attribute.
4837 (ix86_expand_fp_movcc): Remove unused variable.
4838 (ix86_expand_builtin): Make fcode unsigned.
4840 * expr.c (MOVE_BY_PIECES_P): Cast MOVE_RATIO to unsigned.
4841 (expand_expr): Add cast to avoid signed warning.
4842 (store_field): Likewise.
4843 (store_constructor_field): Likewise.
4844 (store_constructor): Likewise.
4845 (store_expr): Likewise.
4846 (clear_storage): Likewise.
4847 (emit_group_store): Likewise.
4848 (emit_group_load): Likewise.
4850 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4852 * c-common.c: Move format checking code to ...
4853 * c-format.c: ... here. New file. Reorder some functions and
4854 declarations.
4855 (decl_handle_format_attribute, decl_handle_format_arg_attribute):
4856 New functions.
4857 * c-common.h (decl_handle_format_attribute,
4858 decl_handle_format_arg_attribute): Declare.
4859 * Makefile.in (C_AND_OBJC_OBJS): Add c-format.o.
4860 (c-common.o): Adjust dependencies.
4861 (c-format.o): New list of dependencies.
4863 2001-01-13 Jakub Jelinek <jakub@redhat.com>
4865 * unroll.c (loop_iterations): If we cannot prove iteration variable
4866 is set once in each iteration, punt.
4868 Sun Jan 14 00:23:15 2001 Denis Chertykov <denisc@overta.ru>
4870 * config/avr/avr.md ("strlenhi"): Remove clobber of input address.
4871 (*strlenhi): Remove clobber (which was buggy) of output address.
4873 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
4875 * Makefile.in (generated-manpages): Add gcc.1
4876 ($(srcdir)/gcc.1): New target.
4877 (maintainer-clean): Delete $(srcdir)/gcc.1.
4878 * gcc.texi: Add macros @gccoptlist and @gol.
4879 * invoke.texi: Include option summary in manpage. Mark up option
4880 summary with @gccoptlist and @gol. Use @r in one place where
4881 appropriate.
4882 * texinfo.tex: Update to version 2000-12-11.07 from ftp.gnu.org.
4883 * gcc.1: Generate from invoke.texi.
4885 2001-01-13 Richard Henderson <rth@redhat.com>
4887 * ggc-page.c (USING_MALLOC_PAGE_GROUPS): New; set if not using mmap.
4888 (struct page_entry): Add group member.
4889 (struct page_group): New.
4890 (struct globals): Add page_groups member.
4891 (alloc_anon): Only define for using mmap; remove valloc call.
4892 (page_group_index): New.
4893 (set_page_group_in_use): New.
4894 (clear_page_group_in_use): New.
4895 (alloc_page): Implement USING_MALLOC_PAGE_GROUPS.
4896 (free_page, release_pages): Likewise.
4897 * configure.in (with-gc): Default to ggc-page always.
4899 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
4901 * reload1.c (replace_pseudos_in_call_usage): Use
4902 reg_equiv_constant and reg_equiv_address, and don't try
4903 regno_reg_rtx first.
4905 2001-01-13 Richard Henderson <rth@redhat.com>
4907 * ggc-page.c (alloc_page): Round up allocation size to one page.
4908 Set e->order on extra pages.
4910 2001-01-13 Richard Henderson <rth@redhat.com>
4912 * genrecog.c (nodes_identical): Expand commentary.
4913 (write_switch): Watch out for identical nodes.
4915 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4917 * cppfiles.c (_cpp_fake_include): New function.
4918 * cpphash.h (_cpp_fake_include): New.
4919 * cpplib.c (do_line): Call _cpp_fake_include when entering
4920 header files in preprocessed input.
4921 * cppmain.c (cb_pragma_implementation): Remove handling.
4922 (setup_callbacks): Don't register pragmas.
4924 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4926 * extend.texi: Udate for CPP.
4928 2001-01-13 Andreas Jaeger <aj@suse.de>
4930 * reload1.c: Add prototype for replace_pseudos_in_call_usage.
4932 * regmove.c: Add prototype for replace_in_call_usage.
4934 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4936 * cpplib.h (cpp_pool, mi_state, mi_ind, struct cpp_macro,
4937 struct cpp_chunk, struct htab, struct toklist,
4938 struct cpp_context, CPP_STACK_MAX, struct lexer_state,
4939 struct spec_nodes, struct cpp_reader, CPP_OPTION, CPP_BUFFER,
4940 CPP_BUF_LINE, CPP_BUF_COL, CPP_BUF_COLUMN, U, ustrcmp, ustrncmp,
4941 ustrlen, uxstrdup, ustrchr, ufputs): Move to cpphash.h.
4942 (struct macro_args): Delete.
4943 * cpphash.h: See above.
4945 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4947 * cppmain.c (struct printer): Remove no_line_dirs.
4948 (options, cb): New.
4949 (main, setup_callbacks, scan_buffer, printer_init, cb_define)
4950 : Use options rather than CPP_OPTION.
4951 (setup_callbacks): Use cb rather than pfile->cb.
4952 (main): No need to check for a buffer. Use cpp_errors.
4953 (printer_init): Don't set no_line_dirs.
4954 (maybe_print_line): Use options not no_line_dirs.
4955 (cb_file_change): Don't call print_line if -P.
4957 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
4959 * c-lex.c (init_c_lex): Use cpp_get_callbacks to set
4960 callbacks.
4961 * c-parse.in (finish_parse): Use cpp_errors.
4962 (__yylex): Use return value of cpp_pop_buffer.
4963 * cp/lex.c (finish_parse): Use cpp_errors.
4964 * cp/spew.c (read_token): Use return value of cpp_pop_buffer.
4966 Sat Jan 13 16:57:40 2001 Denis Chertykov <denisc@overta.ru>
4968 * README.AVR: URLs corrected.
4970 Sat Jan 13 07:30:02 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
4972 * c-decl.c (start_function): Don't warn if old prototype is builtin
4973 that's not in C's namespace.
4974 * libgcc2.c (_varargs): Update definition of __builtin_saveregs.
4975 (_bb): Add prototype for ctime.
4976 * config/alpha/osf.h (TRANSFER_FROM_TRAMPOLINE): Add missing protos.
4978 Sat Jan 13 09:53:32 MET 2001 Jan Hubicka <jh@suse.cz>
4980 * i386.c (ix86_fp_comparison_arithmetics_cost,
4981 ix86_fp_comparison_fcomi_cost, ix86_fp_comparison_sahf_cost,
4982 ix86_fp_comparison_cost): New functions.
4983 (ix86_expand_fp_compare): Use the costs to choose best bethod; add
4984 two new parameters SECOND_TEST and BYPASS_TEST; allow generating
4985 two-branch sequences; make static.
4986 (ix86_use_fcomi_compare): Do decision according to the costs.
4987 (split_fp_branch): New.
4988 * i386.md (compare-and-branch patterns): Use split_fp_branch.
4989 * i386-protos.h (ix86_expand_fp_compare): Remove
4990 (ix86_split_fp_branch): Declare.
4992 * i386.h (PREDICATE_CODES): Update codes from fcmov_comparison_operand
4993 and ix86_comparison_operator.
4995 * i386.c (ix86_prepare_fp_compare_args): Try to rearange the comparison
4996 to make it cheaper.
4998 * i386.c (put_condition_code): Output properly the unordered/ordered
4999 compares in fp case.
5000 (ix86_expand_fp_movcc): Use ix86_expand_compare infrastructure.
5002 * tm.texi (REVERSE_CONDITION): Document.
5003 * i386.c (ix86_fp_compare_mode): Simplify; return always CCFPmode
5004 in -ffast-math mode.
5005 * i386.h (REVERSE_CONDITION, REVERSIBLE_CC_MODE): New macro.
5007 2001-01-13 Alexandre Oliva <aoliva@redhat.com>
5009 * config/sh/sh.c (sh_expand_epilogue): Use PR explicitly.
5011 * config/sh/sh.c (sh_expand_prologue): Let the second toggle_sz be
5012 optimized away.
5014 * config/sh/sh.c (mova_p): Fix test for mova_const.
5016 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5018 * fix-header.c (read_scan_file): Use cpp_get_callbacks and
5019 cpp_get_options rather than dereferencing pfile and using
5020 CPP_OPTION.
5021 * scan-decls.c (scan_decls): Use return value of
5022 cpp_pop_buffer rather than CPP_BUFFER.
5024 2001-01-13 Neil Booth <neil@daikokuya.demon.co.uk>
5026 * cppinit.c (cpp_handle_option): help_only is now part of the
5027 cpp_options structure.
5028 * cpplib.c (cpp_errors, cpp_get_options, cpp_get_callbacks,
5029 cpp_set_callbacks): New functions.
5030 * cpplib.h (cpp_callbacks): Break out as a named structure.
5031 (cpp_options): Move help_only here from cpp_reader.
5032 (CPP_FATAL_ERRORS): Update to use cpp_errors.
5033 (cpp_errors, cpp_get_options, cpp_get_callbacks,
5034 cpp_set_callbacks): New prototypes.
5035 * cppmain.c (main): Update for help_only.
5037 2001-01-13 Joseph S. Myers <jsm28@cam.ac.uk>
5039 * Makefile.in (info, maintainer-clean, install-info, uninstall):
5040 Also build and remove and install and uninstall c-tree.info and
5041 cppinternals.info.
5042 ($(srcdir)/gcc.info): Add dependency on contrib.texi.
5043 ($(srcdir)/cppinternals.info): New target.
5044 * c-tree.texi: Change file name used when makeinfo used without -o
5045 from ir.info to c-tree.info. Add info directory entry.
5046 * cppinternals.texi: Add info directory entry.
5047 * .cvsignore: Update.
5049 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5051 * c-typeck.c (store_init_value): Don't require constant initializer
5052 elements with -pedantic -std=c99.
5053 (digest_init): Change error about non-constant initializer elements
5054 into pedwarn.
5055 (constructor_range_end): Remove.
5056 (constructor_incremental, designator_depth,
5057 designator_errorneous): New variables.
5058 (struct constructor_stack): Remove range_end, add incremental.
5059 (struct constructor_range_stack, constructor_range_stack): New.
5060 (struct initializer_stack): Add constructor_range_stack.
5061 (finish_init): Set it.
5062 (start_init): Likewise. require_constant_elements for non-static
5063 trees only if not flag_isoc99.
5064 (really_start_incremental_init): Remove constructor_range_end, add
5065 constructor_incremental.
5066 (pop_init_level): Likewise.
5067 (push_init_level): Likewise. If implicit and the subobject had some
5068 value set already, preinitialize the level with it.
5069 Warn about missing braces only if not pushing due to designators.
5070 (set_designator, push_range_stack): New functions.
5071 (set_init_label): Use them.
5072 (set_init_index): Likewise. Remove constructor_range_end.
5073 Error if designator index is outside of array bounds.
5074 (add_pending_init): Compare values of purpose index trees, not the
5075 trees themselves. Allow overwriting of already initialized element.
5076 Issue a warning if it had side-effects.
5077 (set_nonincremental_init, set_nonincremental_init_from_string): New
5078 functions.
5079 (pending_init_member): Rename to...
5080 (find_init_member): ...this function. Call set_nonincremental_init
5081 if necessary. Compare values of purpose index trees, not the trees
5082 themselves. Return the actual value, not just non-zero if something
5083 is found.
5084 (output_init_element): Remove checks for duplicates.
5085 If field has zero size, only check the initializer for correctness.
5086 Call set_nonincremental_init if necessary. Push RECORD/ARRAY into AVL
5087 if constructor_incremental is zero. Change error about initializers
5088 not computable at load time into pedwarn.
5089 (output_pending_init_elements): Compare bit positions, not
5090 FIELD_DECLs to take into account zero-sized fields.
5091 (process_init_element): Use constructor_range_stack to fill all
5092 ranges in the designator lists from current level up.
5093 * extend.texi: Update documentation for labeled elements.
5095 2001-01-12 Alexandre Oliva <aoliva@redhat.com>
5097 * calls.c (emit_library_call_value_1): Add USEs and CLOBBERs
5098 to function usage for arguments passed by reference. Optimize
5099 callee-copied arguments.
5100 * regmove.c (replace_in_call_usage): New function.
5101 (fixup_match_1): Call it.
5102 * cse.c (cse_insn): Canonicalize registers in function usage.
5103 * reload1.c (replace_pseudos_in_call_usage): New function.
5104 (reload): Call it.
5106 * Makefile.in: Reverted yesterday's wrong patch. Installed the
5107 right version.
5109 2001-01-12 Jakub Jelinek <jakub@redhat.com>
5111 * config/alpha/alpha.c (alpha_expand_block_move): GET_MODE of tmp,
5112 not XEXP (tmp, 0).
5114 2001-01-12 DJ Delorie <dj@redhat.com>
5116 * Makefile.in (bootstrap): rename stages to be mnemonic. Add
5117 restageN, unstageN, bubblestrap, quickstrap, and cleanstrap
5118 targets.
5120 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5122 * cpp.texi, extend.texi, gcc.texi, install.texi, invoke.texi,
5123 tm.texi: Consistently refer to ISO C instead of ANSI C. Refer to
5124 -std options alongside references to -ansi. Update some
5125 documentation for C99.
5126 * cpp.1: Regenerate.
5128 2001-01-12 Andreas Jaeger <aj@suse.de>
5130 * haifa-sched.c (restore_line_notes): Remove argument block B
5131 since it's unused.
5132 * sched-ebb.c (schedule_ebb): Change caller.
5133 * sched-rgn.c (schedule_region): Likewise.
5134 * sched-int.h (restore_line_notes): Adjust prototype.
5136 * loop.h: Remove wrong declaration of doloop_condition_get.
5138 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5140 * extend.texi: Move C++-extension-related node from the C section
5141 into the C++ section.
5143 2001-01-12 Joseph S. Myers <jsm28@cam.ac.uk>
5145 * extend.texi: Refer to an array of pointers to functions instead
5146 of one of functions.
5148 Fri Jan 12 12:08:12 MET 2001 Andreas Jaeger <aj@suse.de>
5149 Jan Hubicka <jh@suse.cz>
5151 * combine.c (reversed_comparison): Fix typo in last patch.
5152 Check X for NULL.
5153 (combine_reversed_comparison_code): Make static to follow
5154 prototype declaration.
5156 2001-01-12 Phil Edwards <pme@sources.redhat.com>
5158 * install.texi: Remove misplaced duplicate entry.
5160 2001-01-11 Ulrich Drepper <drepper@redhat.com>
5162 * config/float-i386.h: Define FLT_EVAL_METHOD and DECIMAL_DIG for C99.
5164 Thu Jan 11 17:06:30 EST 2001 John Wehle (john@feith.com)
5166 * final.c: (leaf_function_p): Fix typo.
5168 2001-01-11 Zack Weinberg <zack@wolery.stanford.edu>
5170 * aclocal.m4 (AC_FUNC_MMAP_ANYWHERE): Completely rewritten.
5171 Now defines HAVE_MMAP_DEV_ZERO and/or HAVE_MMAP_ANON depending
5172 which you have.
5173 (AC_FUNC_MMAP_FILE): Don't AC_REQUIRE AC_FUNC_MMAP_ANYWHERE.
5174 * configure.in: Set GGC to ggc-page if any of mmap_dev_zero,
5175 mmap_anon, and valloc is available.
5176 * ggc-page.c: Restructure ifdef logic to match new autoconf
5177 spec. Don't throw away the test page in init_ggc.
5179 * configure, config.in: Regenerate.
5181 2001-01-12 Michael Hayes <mhayes@redhat.com>
5183 * loop.h (total_biv_increment): Constify iv_class pointer.
5184 (struct induction): Replace `mem_mode' with `mem' rtx.
5185 * unroll.c (total_biv_increment): Constify iv_class pointer.
5186 * loop.c (loop_giv_reduce_benefit): Derive mem mode from mem rtx.
5187 (find_mem_givs, combine_givs_p): Likewise.
5188 (debug_ivs, debug_iv_class, loop_ivs_dump, loop_iv_class_dump): New.
5190 2001-01-10 Thomas Pfaff <tpfaff@gmx.net>
5192 * gthr-win32.h (__gthread_objc_thread_get_data): Save and restore Win32
5193 LastError.
5194 (__gthread_getspecific): Ditto.
5196 Fri Jan 12 00:04:00 MET 2001 Jan Hubicka <jh@suse.cz>
5198 * i386.c (ix86_comparison_operator, fcmov_comparison_operator,
5199 put_condition_code): Convert fp comparison codes to integer
5200 before handling.
5201 (ix86_expand_fp_compare): Postnote the fp comparison code converison
5202 to final.
5204 * i386.c (unsigned_comparison, no_comparison_operator): Kill.
5205 * i386-protos.h (no_comparison_operator): Kill.
5207 * i386.c (ix86_expand_fp_compare): Fix ordered/unordered confussion.
5209 * combine.c (REVERSIBLE_CC_MODE): Remove.
5210 (reversible_comparison_p): Remove.
5211 (combine_reversed_comparison_code): New.
5212 (reversed_comparison): New.
5213 (combine_simplify_rtx): Use
5214 combine_reversed_comparison_code/reversed_comparison instead
5215 of reversible_comparison_p.
5216 (simplify_if_then_else): Likewise.
5217 (simplify_set): Likewise.
5218 (simplify_logical): Likewise.
5219 (if_then_else_cond): Likewise.
5220 (known_cond): Likewise.
5221 (simplify_comparison): Likewise.
5223 2001-01-11 Alan Lehotsky <lehotsky@tiac.net>
5225 * builtins.c (std_expand_builtin_va_start): Handle varargs when
5226 sizeof (int) is larger than sizeof(__word__).
5228 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5230 * cppinit.c (do_includes): Fix typo.
5232 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5234 * config/m68hc11/m68hc11.md (cmphi_1): Make sure reloading
5235 in S_REGS does not occur because not all sources are possible
5236 when a S_REGS is a destination (sometimes needs a clobber).
5237 (movqi_const0, zero_extendhisi2, zero_extendqisi2): Likewise.
5238 (zero_extendhidi2, extendqisi2, extendqihi2, extendhisi2): Likewise.
5239 (anddi3, iordi3, xordi3, negqi2, one_cmplhi2, one_cmplqi2: Likewise.
5240 (ashldi3_const32, ashldi3_const1, ashlsi3_const16): Likewise.
5241 (ashlsi3_const1, ashlhi3_2, ashlqi3_const1, ashrhi3): Likewise.
5242 (ashrqi3_const1, lshrdi3_const32, lshrdi3_const63): Likewise.
5243 (lshrdi_const1, lshrsi3_const16): Likewise.
5244 (*addhi3, lshrsi3_const1, lshrqi3_const1): Likewise.
5245 (*movhi_68hc12, *movqi_68hc12): Likewise.
5246 (movstrictqi): Make sure reloading in D_REGS as a destination
5247 does not happen.
5249 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5251 * cppspec.c (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
5253 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5255 * cppinit.c (cpp_start_read): If -fpreprocessed, ignore
5256 -D, -U and -A, and don't initialize the builtins.
5257 (do_includes): Error if -include or -imacros with -fpreprocessed.
5258 * cppmain.c (cb_define, cb_undef): Unconditionally process
5259 the callback.
5260 * tradcpp.c (main): Fix typo.
5262 2000-01-11 Mark Elbrecht <snowball3@bigfoot.com>
5264 * cppfiles.c (cpp_included, find_include_file, _cpp_execute_include)
5265 (read_name_map): Use IS_ABSOLUTE_PATH.
5266 * tradcpp.c (get_filename): Likewise.
5268 2001-01-11 Stephane Carrez <Stephane.Carrez@worldnet.fr>
5270 * config/m68hc11/m68hc11.md (*adcq, *subcq): Fix operand numbers.
5271 (*ashlsi3_const16_zexthi, *ashlsi3_const1): Likewise.
5272 (*lshrsi3_const, *lshrsi3_const1, *lshrsi3_const16): Likewise.
5273 (*ashrsi3, *ashrsi3_const, *ashlsi3, *ashlsi3_const): Likewise.
5274 (*ashlsi3_const1, *lshrsi3, *ashlsi3_const16): Likewise.
5275 (cmphi_z_used): Don't use '@' for the output.
5276 (tstqi_z_used): Likewise.
5277 (cmpqi_z_used): Likewise.
5278 (one_cmplsi2): Likewise.
5280 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5282 * config/sh/sh.c (barrier_align): Recognize branch around far
5283 branch and redundant insn.
5285 2001-01-11 Neil Booth <neil@daikokuya.demon.co.uk>
5287 * invoke.texi: Restore documentation of the drivers' switches -MD
5288 and -MMD.
5290 2001-01-11 Alexandre Oliva <aoliva@redhat.com>
5292 * config/sh/sh.h (LABEL_ALIGN): Use UNSPECV_ALIGN instead of 1.
5294 * Makefile.in (check-gcc//%, check-g++//%, check-g77//%,
5295 check-objc//%): Support parallel testing of multilibs.
5296 (TESTSUITEDIR): Set to testsuite by default, but override for
5297 parallel testing.
5298 (check-gcc, check-g++, check-g77, check-objc): Enter
5299 $(TESTSUITEDIR).
5301 2001-01-11 Bernd Schmidt <bernds@redhat.com>
5303 * alias.c (throughout): Use REGNO, rather than ORIGINAL_REGNO.
5304 * sched-deps.c (deps_may_trap_p): Likewise.
5305 * basic-block.h: Remove a comment.
5306 * flow.c (PROP_POSTRELOAD): Remove.
5307 (update_life_info): Don't add it to prop_flags.
5308 (mark_set_1): Lose the code that was enabled by it.
5310 2001-01-11 Michael Hayes <mhayes@redhat.com>
5312 * flow.c (flow_call_edges_add): New.
5313 * basic_block.h (flow_call_edges_add): New.
5315 2001-01-11 J"orn Rennecke <amylaar@redhat.com>
5317 * reload1.c (move2add_note_store): Update reg_set_luid even if
5318 base reg remains the same.
5320 2001-01-10 Nick Clifton <nickc@redhat.com>
5322 * config/d30v/d30v.c (d30v_init_machine_status): Initialise
5323 machine_function structure to zero.
5324 Add prototypes for machine_status functions.
5326 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5328 * c-common.h (CTI_VOID_LIST): Remove.
5329 (void_list_node): Likewise.
5330 * tree.h (TI_VOID_LIST_NODE): New enumeral.
5331 (void_list_node): New macro.
5332 * config/arm/arm.c (arm_init_builtins): Use void_list_node.
5333 * config/i386/i386.c (ix86_init_builtins): Likewise.
5334 * config/ia64a/ia64.c (ia64_init_builtins): Likewise.
5336 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5338 * Makefile.in (tradcpp0): Depend on mkdeps.h. Link mkdeps.o
5339 * cppinit.c (cpp_start_read): Update comment, remove unneeded
5340 if statement.
5341 * tradcpp.c: Include mkdeps.h.
5342 (deps, print_deps_phony_targets, deps_append, output_deps,
5343 init_dependency_output, output_deps): New.
5344 (deps_buffer, deps_allocated_size, deps_size, deps_column,
5345 deps_output): Delete.
5346 (print_deps_missing_files): Rename deps_missing_files.
5347 (inhibit_output): Make global.
5348 (main): Delete inhibit_output, deps_stream, deps_target.
5349 Use mkdeps functionality in the same way as cpplib. Remove
5350 -g3 handling. Handle -MF, -MP, -MQ, -MT. Update handling of
5351 -M and -MM. Remove old handling of deps via deps_out, and
5352 old reading of environment variables.
5353 (get_filename): Update to use deps_add_dep.
5355 2001-01-10 Mark Mitchell <mark@codesourcery.com>
5357 * output.h (make_function_rtl): Remove prototype.
5358 (make_decl_rtl): Likewise.
5359 * varasm.c (make_function_rtl): Remove.
5360 (make_decl_rtl): Determine top-levelness from DECL_CONTEXT, rather
5361 than from a third parameter.
5362 * tree.h (make_decl_rtl): Remove last parameter.
5363 * c-decl.c (builtin_function): Remove last argument in call to
5364 make_decl_rtl; use make_function_rtl instead of make_decl_rtl.
5365 (start_function): Likewise.
5366 * except.c (call_get_eh_context): Likewise.
5367 * expr.c (emit_block_move): Likewise.
5368 (clear_storage): Likewise.
5369 * profile.c (output_func_start_profiler): Likewise.
5370 * toplev.c (rest_of_decl_compilation): Likewise.
5371 * objc/objc-act.c (create_builtin_decl): Likewise.
5372 (synth_module_prologue): Likewise.
5373 (generate_static_reference): Likewise.
5374 (build_selector_reference_decl): Likewise.
5375 (build_class_reference_decl): Likewise.
5376 (build_objc_string_decl): Likewise.
5377 (build_protocol_reference): Likewise.
5379 2001-01-10 Richard Henderson <rth@redhat.com>
5381 * hwint.h: Revert yesterday's change.
5383 2001-01-10 Nick Clifton <nickc@redhat.com>
5385 * function.h (save_machine_status): Delete.
5386 (restore_machine_status): Delete.
5387 Amend comment describing {init|mark|free}_machine_status.
5389 * function.c (save_machine_status): Delete.
5390 (restore_machine_status): Delete.
5391 Amend comment describing {init|mark|free}_machine_status.
5392 (push_function_context_to): Remove invocation of
5393 save_machine_status.
5394 (pop_function_context_from): Remove invocation of
5395 restore_machine_status.
5397 * emit-rtl.c (init_emit_once): Amend comment describing
5398 {init|mark|free}_machine_status.
5400 * tm.texi (Per-Function Data): New node. Describe the
5401 INIT_EXPANDERS macro and the {init|mark|free}_machine_status
5402 function pointers.
5404 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5406 * cppinit.c (OPT_g): Remove.
5407 (cpp_handle_option): Update for removed -g3.
5408 (print_help): Update.
5409 * cpplib.h (struct cpp_options): Remove debug_output.
5410 * cppmain.c (setup_callbacks, cb_define): Update.
5411 * gcc.c (cpp_options): Translate -g3 to -dD.
5413 2001-01-10 Aldy Hernandez <aldyh@redhat.com>
5415 * config/i960/i960.md: Change modifier to + on the zero_extract
5416 pattern after the (rotate -2 reg) canonicalization pattern.
5418 2001-01-10 Richard Henderson <rth@redhat.com>
5420 * config/alpha/alpha.c (alpha_free_machine_status): New.
5421 (override_options): Install it.
5422 (alpha_mark_machine_status): Verify machine non-null.
5423 * config/i386/i386.c (ix86_free_machine_status): New.
5424 (override_options): Install it.
5425 (ix86_init_machine_status): Use xcalloc.
5426 (ix86_mark_machine_status): Verify machine non-null.
5427 * config/ia64/ia64.c (ia64_free_machine_status): New.
5428 (ia64_override_options): Install it.
5429 (ia64_mark_machine_status): Verify machine non-null.
5431 Wed Jan 10 11:34:39 2001 Jeffrey A Law (law@cygnus.com)
5433 * function.c (instantiate_virtual_regs): Instantiate virtual
5434 registers found in CALL_INSN_FUNCTION_USAGE.
5436 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5438 * i386.h (CPP_CPU_SPEC): Allow for -std=c* and -std=i* as
5439 equivalent to -ansi in disabling -Di386.
5441 Wed Jan 10 16:38:31 MET 2001 Jan Hubicka <jh@suse.cz>
5443 * i386.c (ix86_fp_compare_code_to_integer, ix86_fp_comparison_codes):
5444 new functions.
5445 (ix86_expand_fp_compare): Make trivial use of new infrastructure.
5447 2001-01-10 Richard Earnshaw <rearnsha@arm.com>
5449 * arm.c (arm_init_builtins): Temporarily disable xscale builtins.
5451 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5453 * invoke.texi: Document that -fcond-mismatch isn't supported for
5454 C++.
5456 2001-01-10 Joseph S. Myers <jsm28@cam.ac.uk>
5458 * gcc.texi: Define macro gcctabopt.
5459 * invoke.texi: Add manpage sections BUGS and AUTHOR. Use
5460 @command, @env and @option in some places where appropriate. Use
5461 @gcctabopt where appropriate. Put URLs and email addresses inside
5462 @w.
5464 2001-01-10 Nathan Sidwell <nathan@codesourcery.com>
5466 * gcc.c (cpp_options): Set MD file name from output
5467 filename, if specified.
5468 (suffix_subst): New static variable.
5469 (do_spec): Clear it.
5470 (do_spec_1, case '.'): Handle new `%.suffix' spec.
5471 Clear it.
5472 (give_switch): Handle suffix_subst.
5474 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5476 * invoke.texi: Fix another typo.
5478 2001-01-10 Phil Edwards <pme@sources.redhat.com>
5480 * invoke.texi: Fix typo.
5482 2001-01-10 Neil Booth <neil@daikokuya.demon.co.uk>
5484 * c-lang.c (lang_hooks): Update.
5485 (lang_decode_option): Remove.
5486 (lang_init_options): Rename c_init_options.
5487 * toplev.c (main): Use lang_hooks for lang_init_options
5488 and lang_decode_option.
5489 * toplev.h (lang_hooks): Add 2 new hooks.
5490 * tree.h: Remove lang_init_options and lang_decode_option.
5491 * cp/cp-tree.h (lang_decode_option): Rename cxx_decode_option.
5492 * cp/decl2.c: Similarly.
5493 * cp/lex.c (lang_init_options): Rename cxx_init_options.
5494 (lang_hooks): Update.
5495 * f/com.c (f_init, f_finish): Rename ffe_init, ffe_finish
5496 for consistency.
5497 (lang_init_options): Rename ffe_init_options.
5498 (lang_hooks): Update.
5499 (lang_decode_option): Remove.
5500 * java/lang.c (lang_init_options): Rename java_init_options.
5501 (lang_decode_option): Rename java_decode_option.
5502 (lang_hooks): Update.
5503 * objc/objc-act.c (lang_init_options): Rename objc_init_options.
5504 (lang_decode_option): Rename objc_decode_option.
5505 (lang_hooks): Update.
5507 2001-01-09 Nick Clifton <nickc@redhat.com>
5509 * config/d30v/d30v.c (d30v_eh_epilogue_sp_ofs): Delete.
5510 (d30v_return_addr_rtx): Delete.
5511 (d30v_expand_epilogue): Use eh_epilogue_sp_ofs field in the
5512 cfun->machine structure.
5513 (struct machine_function): Move to d30v.h
5514 (d30v_save_machine_status): Delete.
5515 (d30v_restore_machine_status): Delete.
5516 (d30v_init_machine_status): New Function.
5517 (d30v_mark_machine_status): New Function.
5518 (d30v_free_machine_status): New Function.
5519 (d30v_init_expanders): Use new functions.
5520 (d30v_return_addr): Use ra_rtx field in cfun->machine.
5521 (d30v_add_gc_roots): Remove d30v_eh_epilogue_sp_ofs and
5522 d30v_return_addr_rtx.
5524 * config/d30v/d30v.h (struct_machine): Move here.
5525 Add eh_epilogue_sp_ofs field.
5527 *config/d30v/d30v.md (epilogue): Initialise eh_epilogue_sp_ofs
5528 field in cfun->machine structure.
5530 Tue Jan 9 21:34:57 2001 John David Anglin <dave@hiauly1.hia.nrc.ca>
5532 * pa32-regs.h (CONDITIONAL_REGISTER_USAGE): When generating pic code,
5533 PIC_OFFSET_TABLE_REGNUM_SAVED is a call_used register.
5534 * pa64-regs.h (CONDITIONAL_REGISTER_USAGE): Likewise.
5536 Tue Jan 9 21:25:19 2001 Jeffrey A Law (law@cygnus.com)
5538 * objc/lang-options.h: Remove bogus reference to
5539 Java trademark.
5541 2001-01-09 Kazu Hirata <kazu@hxi.com>
5543 * config/h8300/h8300.c (get_shift_alg): Use a struct shift_info to
5544 return the result.
5546 2001-01-09 Alan Lehotsky <lehotsky@tiac.net>
5548 * reload.c (find_reloads_address): Check for eliminable registers
5549 when substituting a constant expression for a pseudo.
5551 2001-01-09 Joseph S. Myers <jsm28@cam.ac.uk>
5553 * c-common.c (enum format_type): Add format_type_error.
5554 (decode_format_type): New function.
5555 (decl_attributes): Use it.
5556 (format_kind_info): Adjust comment.
5558 2001-01-09 David O'Brien <obrien@BSDi.com>
5560 * config.gcc (*-*-gnu*, i[34567]86-*-elf*, i[34567]86-*-linux*libc1,
5561 i[34567]86-*-linux*, i[34567]86-*-moss*): Specify needed platform specific
5562 files in tm_file.
5563 * config/i386/gnu.h: Don't include required platform specific .h files,
5564 tm.h will do it instead.
5565 * config/i386/i386elf.h: Likewise.
5566 * config/i386/linux.h: Likewise.
5567 * config/i386/moss.h: Likewise.
5568 * config/mips/gnu.h: Likewise.
5570 2001-01-09 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5572 * config.gcc (powerpc-*-beos*): Include ${tm_file} and rs6000/aix.h.
5573 (rs6000-ibm-aix3.[01]*): Likewise.
5574 (rs6000-ibm-aix3.2.[456789]*, powerpc-ibm-aix3.2.[456789]*): Likewise.
5575 (rs6000-ibm-aix4.[12]*, powerpc-ibm-aix4.[12]*): Likewise.
5576 (rs6000-ibm-aix4.[3456789]*, powerpc-ibm-aix4.[3456789]*): Likewise.
5577 (rs6000-ibm-aix[56789].*, powerpc-ibm-aix[56789].*): Likewise.
5578 (powerpc-*-sysv*): Include {tm_file}. svr4.h and rs6000/sysv4.h.
5579 (powerpc-*-eabiaix*): Likewise.
5580 (powerpc-*-eabisim*): Likewise.
5581 (powerpc-*-elf*): Likewise.
5582 (powerpc-*-eabi*): Likewise.
5583 (powerpc-*-rtems*): Likewise.
5584 (powerpc-*-linux*libc1): Likewise.
5585 (powerpc-*-linux*): Likewise.
5586 (powerpc-wrs-vxworks*): Likewise.
5587 (powerpcle-wrs-vxworks*): Likewise.
5588 (powerpcle-*-sysv*): Likewise.
5589 (powerpcle-*-elf*): Likewise.
5590 (powerpcle-*-eabisim*): Likewise.
5591 (powerpcle-*-eabi*): Likewise.
5592 (powerpcle-*-solaris2*): Likewise.
5593 * config/rs6000/aix31.h: Delete includes.
5594 * config/rs6000/aix3newas.h: Likewise.
5595 * config/rs6000/aix41.h: Likewise.
5596 * config/rs6000/aix43.h: Likewise.
5597 * config/rs6000/beos.h: Likewise.
5598 * config/rs6000/rtems.h: Likewise.
5599 * config/rs6000/sysv4.h: Likewise.
5601 2001-01-09 Kazu Hirata <kazu@hxi.com>
5603 * config/h8300/h8300.c (get_shift_alg): Remove an argument cpu.
5604 Change an argument mode of machine_mode to shift_mode of
5605 shift_mode. Remove an extra error check.
5606 (emit_a_shift): Adopt to the new calling prototype of
5607 get_shift_alg.
5608 (function_prologue): Fix code for a monitor
5609 function. Support H8/S.
5610 (function_epilogue): Do not output pop for a monitor function.
5612 2001-01-09 Nick Clifton <nickc@redhat.com>
5614 * config/rs6000/rs6000.c (rs6000_sysv_varargs_p): Delete.
5615 (setup_incoming_varargs): Use sysv_varargs_p field of the
5616 cfun->machine structure.
5617 (struct machine_function): Move to rs6000.h
5618 (rs6000_save_machine_status): Delete.
5619 (rs6000_restore_machine_status): Delete.
5620 (rs6000_init_machine_status): New Function.
5621 (rs6000_free_machine_status): New Function.
5622 (rs6000_init_expanders): Use new functions.
5624 * config/rs6000/rs6000.h (rs6000_sysv_varargs_p): Delete
5625 export.
5626 (struct machine_function): Move here.
5628 * config/rs6000/sysv4.h (RS6000_VARARGS_AREA): Use
5629 sysv_varargs_p field of the cfun->machine structure.
5631 * config/rs6000/rs6000-protos.h (rs6000_save_machine_status):
5632 Remove prototype.
5633 (rs6000_restore_machine_status): Remove prototype.
5635 2001-01-09 Richard Henderson <rth@redhat.com>
5637 * sched-int.h (struct deps): Add max_reg, reg_last_in_use; merge
5638 reg_last_uses, reg_last_sets, reg_last_clobbers into struct deps_reg.
5639 * sched-deps.c (sched_analyze_1): Update uses of struct deps.
5640 (sched_analyze_2, sched_analyze_insn): Likewise.
5641 (sched_analyze, init_deps): Likewise.
5642 (free_deps): Likewise. Iterate with EXECUTE_IF_SET_IN_REG_SET.
5643 * sched-rgn.c (propagate_deps): Likewise. Remove max_reg argument.
5644 (compute_block_backward_dependences): Update propagate_deps call.
5646 2001-01-09 Mark Elbrecht <snowball3@bigfoot.com>
5648 * gcc.c (process_command): Set switches[n_switches].ordering to 0.
5650 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5652 * cppinit.c (OPT_MD, OPT_MMD): Restore.
5653 (cpp_handle_option): Handle them.
5654 (cpp_post_options): Ensure one of -M or -MM is specified with
5655 any other -M? option.
5656 (init_dependency_output): Suppress output with -MG.
5658 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5660 * cpp.texi: Update.
5661 * invoke.texi: Update.
5663 2001-01-09 Bernd Schmidt <bernds@redhat.com>
5665 * sh.md (reload_outsf): Generate recognizable patterns for
5666 TARGET_SH3E.
5668 2001-01-09 Neil Booth <neil@daikokuya.demon.co.uk>
5670 * c-lang.c (lang_hooks): Update.
5671 (lang_init): Rename c_init.
5672 (lang_finish): Remove.
5673 * toplev.c (compile_file): Use lang_hooks for lang_init ()
5674 and lang_finish ().
5675 * toplev.h (lang_hooks): Add init () and finish ().
5676 * tree.h (lang_init, lang_finish): Remove.
5677 * cp/tree.h (lang_init, lang_finish): Remove.
5678 * cp/decl2.c (cxx_post_options, lang_hooks): Move to cp/lex.c.
5679 * cp/lex.c (cxx_init, cxx_finish, cxx_post_options,
5680 lang_hooks): New.
5681 (lang_init, lang_finish): Remove.
5682 * f/com.c (lang_init, lang_finish): Rename f_init, f_finish.
5683 (lang_hooks): Update.
5684 * java/lang.c (lang_init): Rename java_init.
5685 (lang_finish): Remove.
5686 (lang_hooks): Update.
5687 * objc/objc-act.c (lang_init): Rename objc_init.
5688 (lang_finish): Remove.
5689 (lang_hoooks): Update.
5691 20001-01-09 Graham Stott <grahams@redhat.com>
5693 * cppfiles.c (_cpp_execute_include): Move `len` initialisation
5694 after `ptr` is initialised.
5696 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5698 * config/sh/sh.h (STATIC_CHAIN_REGNUM): Change from r13 to r3.
5699 (INITIALIZE_TRAMPOLINE): Adjust accordingly.
5700 * config/sh/sh.c (sh_expand_prologue): Use r1 as temporary for
5701 stack adjusts, instead of r3.
5703 2001-01-09 Michael Hayes <mhayes@redhat.com>
5705 * flow.c (flow_loop_scan): Break out of ...
5706 (flow_loops_find) ... here.
5707 * basic-block.h (flow_loop_scan): New.
5708 (LOOP_ENTRY_EDGES, LOOP_EXIT_EDGES): Add.
5709 (LOOP_EDGES, LOOP_EXITS_DOMS, LOOP_ALL): Redefine.
5711 2001-01-09 Alexandre Oliva <aoliva@redhat.com>
5713 * cppinit.c (cpp_cleanup): NULLify macro_buffer and zero
5714 macro_buffer_len.
5715 * cppmacro.c (cpp_macro_definition): Reset macro_buffer_len when
5716 realloc()ing macro_buffer.
5718 * hwint.h (HOST_BITS_PER_WIDE_INT, HOST_WIDE_INT): Use long long
5719 if it's wider than long and the target's long is wider than the
5720 host's.
5722 2001-01-09 Mark Mitchell <mark@codesourcery.com>
5724 Remove support for using UWIN as a host machine.
5725 * configure.in: Issue an error message.
5726 * configure: Regenerated.
5727 * config.gcc: Remove xm_* UWIN configury.
5728 * config/i386/xm-uwin.h: Remove.
5730 2001-01-08 Nick Clifton <nickc@redhat.com>
5732 * config/v850/v850.c (ra_rtx): Delete.
5733 (v850_save_machine_status): Delete.
5734 (v850_restore_machine_status): Delete.
5735 (v850_init_machine_status): New function.
5736 (v850_mark_machine_status): New function.
5737 (v850_free_machine_status): New function.
5738 (v850_return_addr): Use ra_rtx field in machine structure.
5739 (v850_init_expanders): Use new functions.
5741 * config/v850/v850-protos.h: Fix prototypes for v850_output_*
5742 * config/v850/v850.c: Change arguments to v850_output+* functions
5743 to take a const char *, to avoid compile time warning.
5744 * config/v850/v850.h (ASM_OUTPUT_LABELREF): Undefine, not needed.
5745 (USER_LABEL_PREFIX): Redefine.
5747 2000-01-08 Jim Wilson <wilson@redhat.com>
5749 * sched-rgn.c (BITSET_ADD, BITSET_REMOVE, bitset_member): Cast
5750 1 to unsigned HOST_WIDE_INT before left shift.
5752 2001-01-08 Nick Clifton <nickc@redhat.com>
5754 * config/arm/arm.c (arm_mark_machine_status): Check to see if
5755 the machine structure has been allocated.
5756 (arm_free_machine_status): New function: Free the machine
5757 specific function structure.
5759 2001-01-08 Richard Henderson <rth@redhat.com>
5761 * jump.c (simplejump_p): Revert last change.
5763 2001-01-08 Neil Booth <neil@daikokuya.demon.co.uk>
5765 * cppinit.c (init): Rename init_library.
5766 (cpp_create_reader): Update.
5767 * gcc.c (cpp_options): If -o given, use it as the target of
5768 any -M options.
5770 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5772 * arm.c (arm_arch5e): New variable.
5773 (all_cores): XScale is a 5TE device.
5774 (arm_override_options): Set arm_arch5e.
5775 (arm_init_builtins): __builtin_prefetch is in arch5e.
5776 * arm.h (arm_arch5e): Declare it.
5778 * arm.h (PREDICATE_CODES): Add arm_hard_register_operand.
5780 * arm.md (define_constants): Add defines for UNSPEC and
5781 UNSPEC_VOLATILE insns. Update all users.
5782 (define_constants): Add constants for IP_REGNUM, SP_REGNUM, PC_REGNUM.
5783 * arm.c (multi_register_push, note_invalid_constants)
5784 (emit_multi_reg_push, emit_sfm, expand_prologue): Use constants.
5785 * arm.h (SP_REGNUM, IP_REGNUM, PC_REGNUM): Delete defines.
5786 (STACK_POINTER_REGNUM): Define in terms of SP_REGNUM.
5788 Mon Jan 8 16:14:56 MET 2001 Jan Hubicka <jh@suse.cz>
5790 * jump.c (jump_optimize_1): Use reversed_comparison_code
5791 instead of can_reverse_comparison_p.
5792 (jump_back_p): Likewise.
5793 (invert_exp_1): Likewise.
5794 (thread_jumps): Likewise.
5795 * simplify-rtx.c (simplify_unary_operation): Likewise.
5796 (simplify_ternary_operation): Likewise.
5797 * cse.c (find_comparison_args): Convert to use
5798 can_reverse_comparison_p.
5799 (record_jump_equiv): Likewise.
5801 2001-01-08 Richard Earnshaw <rearnsha@arm.com>
5803 * arm.h (HARD_REGNO_RENAME_OK): Delete.
5804 (EPILOGUE_USES): Define.
5805 (INITIAL_ELIMINATION_OFFSET): Current prologue code does not
5806 automatically stack the LR if it isn't live.
5808 Mon Jan 8 13:46:02 MET 2001 Jan Hubicka <jh@suse.cz>
5810 * i386.c (ix86_expand_int_movcc): Take care to reverse fp conditions
5811 properly.
5813 Sun Jan 7 18:37:43 2001 Mark P Mitchell <mark@codesourcery.com>
5815 * ggc-page.c (max_alignment): New structure.
5816 (MAX_ALIGNMENT): New macro.
5817 (init_ggc): Use it to round up the sizes in the
5818 extra_order_size_table.
5820 2001-01-07 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
5822 * config/rs6000/rs6000.h (EPILOGUE_USES): New, mark link register
5823 after reload.
5825 2001-01-07 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
5827 * builtins.def (BUILT_IN_FPRINTF): New entry.
5829 * c-common.c (c_expand_builtin_fprintf): New function.
5830 (init_function_format_info): Handle __builtin_fprintf.
5831 (c_common_nodes_and_builtins): Declare fprintf/__builtin_fprintf.
5832 (c_expand_builtin): Handle BUILT_IN_FPRINTF.
5834 * c-decl.c (duplicate_decls): Adjust comment.
5836 * extend.texi (fprintf): Document new builtin.
5838 2001-01-07 Richard Henderson <rth@redhat.com>
5840 * jump.c (simplejump_p): Recognize any single_set jump
5841 of the proper form.
5843 2001-01-07 Richard Henderson <rth@redhat.com>
5845 * configure.in (slibdir): Accept an --with-slibdir option.
5846 Use "test" not "[" in configure. Default to $(libdir).
5848 * config/t-linux (SHLIB_INSTALL): Double quote slibdir;
5849 fix typo in rm -f.
5850 * config/t-aix43 (SHLIB_INSTALL): Likewise.
5851 * config/alpha/t-osf4 (SHLIB_INSTALL): Likewise.
5852 (SHLIB_LINK): Create links for the soname.
5853 * config/mips/t-iris6: Likewise.
5854 * config/sparc/t-slibgcc: Likewise.
5855 * config/sparc/t-slibgcc-sld: Likewise.
5857 2001-01-07 Jakub Jelinek <jakub@redhat.com>
5859 * config/i386/i386.c (constant_call_address_operand): Accept
5860 (const (plus (symbol_ref) (const_int))).
5861 * config/i386/i386.h (PREDICATE_CODES): Add CONST for
5862 constant_call_address_operand.
5864 2001-01-08 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
5866 * libgcc2.h (W_TYPE_SIZE): Fix case where MIN_UNITS_PER_WORD == 1
5867 and LONG_LONG_TYPE_SIZE > 32.
5869 2001-01-07 Gerald Pfeifer <pfeifer@dbai.tuwien.ac.at>
5871 * jump.c (reversed_comparison_code_parts): Fix typo introduced by
5872 the previous change.
5874 Sun Jan 7 19:37:48 MET 2001 Jan Hubicka <jh@suse.cz>
5876 * jump.c (reversed_comparison_code_parts, reversed_comparison_code):
5877 New.
5878 (can_reverse_comparison_p): Rewrite to use reversed_comparison_code.
5879 (reverse_condition_maybe_unordered): Abort on unsigned comparisons.
5880 * rtl.h (reversed_comparison_code_parts, reversed_comparison_code):
5881 Declare.
5883 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5885 * fix-header.c (read_scan_file): s/pfile/scan_in/.
5887 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5889 * c-lang.c (c_post_options): Call cpp_post_options.
5890 * objc/objc-act.c (objc_post_options): Similarly.
5891 * cppmain.c (main): Similarly.
5892 * fix-header.c (read_scan_file): Similarly.
5893 * cppinit.c (cpp_start_read): Move option consistency checks
5894 to cpp_post_options. Don't call init_dependency_output.
5895 If needed, add default target and main file dependency.
5896 (OPT_MD, OPT_MMD): Remove.
5897 (OPT_MF): New.
5898 (cpp_handle_option): Update for OPT_* changes.
5899 (cpp_post_options): New.
5900 (init_dependency_output): Command line -MF overrides environment
5901 variables. Don't set default target etc. Suppress output
5902 if dependencies are going to stdout.
5903 (print_help): Update.
5904 * cpplib.h (cpp_post_options): New.
5905 * gcc.c (cpp_options): Update for -MD, -MMD, -MF.
5907 Sun Jan 7 14:44:19 MET 2001 Jan Hubicka <jh@suse.cz>
5909 * jump.c (comparison_dominates_p): Support unordered compares.
5911 Sun Jan 7 14:39:07 MET 2001 Jan Hubicka <jh@suse.cz>
5913 * simplify-rtx.c (simplify_relational_operation): Always simplify
5914 ORDERED and UNORDERED when FLAG_FAST_MATH. Handle properly UNLE
5915 and UNGE.
5917 Sun Jan 7 14:35:13 MET 2001 Jan Hubicka <jh@suse.cz>
5919 * combine.c (combine_simplify_rtx): Recognize the unordered compares.
5920 (nonzero_bits): Likewise.
5921 (simplify_comparison): Likewise.
5922 (num_sign_bit_copies): Likewise; return more sane value depending
5923 on STORE_FLAG_VALUE.
5924 (known_cond): Do not assume EQ to be always true for equivalent
5925 operands.
5927 Sun Jan 7 14:31:57 MET 2001 Jan Hubicka <jh@suse.cz>
5929 * cse.c (fold_rtx): Handle unordered comparisons.
5931 Sun Jan 7 13:49:19 MET 2001 Jan Hubicka <jh@suse.cz>
5933 * rtlanal.c (set_of_1): New static function.
5934 (reg_set_last_1, reg_set_p_1, reg_set_reg, reg_set_flag,
5935 reg_set_last_unknown, reg_set_last_value, reg_set_last_first_regno,
5936 reg_set_last_last_regno): Remove.
5937 (set_of): New global function.
5938 (set_of_data): New structure.
5939 (reg_set_p, reg_set_last): Revamp for set_of.
5940 * rtl.h (set_of): New.
5942 2001-01-07 Joseph S. Myers <jsm28@cam.ac.uk>
5944 * c-common.c (c_common_nodes_and_builtins): Add _Exit builtin.
5945 * extend.texi: Document _Exit builtin.
5947 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
5949 * (initialize, initialize_builtins,
5950 initialize_dependency_output, initialize_standard_includes):
5951 Rename s/initialize/init. Update.
5952 (init_dependency_output): Move to after
5953 cpp_handle_options, the correct location temporally at least.
5954 (opt_comp): Move next to init (), its caller. Fix prototype.
5955 (init): Make "initialized" local scope.
5956 (cpp_create_reader): Always call init ().
5957 (cpp_start_read): Update.
5958 (output_deps): New function, broken out of cpp_finish.
5959 (cpp_finish): Break out output_deps.
5961 2001-01-07 Richard Henderson <rth@redhat.com>
5963 * collect2.c (COFF specific stuff): Revert 12-06 patch
5964 to prototype system functions.
5966 2001-01-07 Michael Hayes <mhayes@redhat.com>
5968 * hard-reg-set.h: Add multiple include guard.
5969 * basic-block.h (struct loop): Add `sink' field.
5970 * loop.h: Include sbitmap.h, hard-reg-set.h, and basic-block.h.
5971 (emit_iv_add_mult): Delete.
5972 (loop_iv_add_mult_hoist, loop_iv_add_mult_sink): Define.
5973 (loop_iv_add_mult_emit_before, loop_insn_sink): Define.
5974 (unroll_loop): Remove end_insert_before argument.
5975 * loop.c (loop_givs_rescan): Remove end_insert_before argument.
5976 (maybe_eliminate_biv_1): Likewise.
5977 (emit_iv_add_mult): Delete.
5978 (gen_add_mult, loop_regs_update): New.
5979 (loop_insn_emit_after, loop_insn_emit_before): New.
5980 (loop_insn_sink, loop_insn_sink_or_swim): New.
5981 (emit_iv_add_mult): Delete.
5982 (scan_loop): Set loop->sink.
5983 (loop_givs_reduce): Use loop_insn_sink and its ilk.
5984 (loop_givs_rescan, strength_reduce, check_dbra_loop): Likewise.
5985 (maybe_eliminate_biv_1): Likewise.
5986 (maybe_eliminate_biv_1): Add basic block argument.
5987 * unroll.c (unroll_loop): Remove end_insert_before argument.
5988 (find_splittable_regs): Likewise.
5989 (find_splittable_regs): Use loop_insn_sink and its ilk.
5990 (find_splittable_givs, final_biv_value, final_giv_value): Likewise.
5992 2001-01-07 Michael Hayes <mhayes@redhat.com>
5994 * loop.h (loop_insn_hoist): New prototype.
5995 * loop.c (loop_insn_hoist, loop_insn_emit_before): New.
5996 (move_movables, loop_givs_rescan): Use loop_insn_hoist.
5997 (check_dbra_loop, load_mems): Likewise.
5998 * unroll.c (unroll_loop, find_splittable_regs): Likewise.
5999 (find_splittable_givs): Likewise.
6001 2001-01-07 Michael Hayes <mhayes@redhat.com>
6003 * loop.c (emit_iv_add_mult): Use single_set to examine new insn.
6005 2001-01-07 Richard Henderson <rth@redhat.com>
6007 * sched-rgn.c (is_cfg_nonregular): Fix thinko's last change.
6009 2001-01-07 Richard Henderson <rth@redhat.com>
6011 * Makefile.in (DRIVER_DEFINES): Define ENABLE_SHARED_LIBGCC and
6012 NO_SHARED_LIBGCC_MULTILIB as required for the target.
6013 * gcc.c (init_spec): Massage the existing libgcc_spec into a
6014 variant that handles a shared libgcc.
6015 (process_command): Always validate -{static,shared}-libgcc.
6016 (do_spec_1): New 'M' case.
6017 * invoke.text (Link Options): Document -{static,shared}-libgcc.
6019 2001-01-07 Richard Henderson <rth@redhat.com>
6021 * Makefile.in (slibdir): New variable.
6022 (libgcc.mk): Pass SHLIB_INSTALL to mklibgcc.
6023 (installdirs): Create slibdir.
6024 (install-libgcc, install-multilib): Defer to libgcc.mk.
6025 * configure.in (slibdir): Substitute.
6026 * mklibgcc.in (install): New target.
6028 * config/t-linux (SHLIB_LINK): Create links for the soname.
6029 (SHLIB_INSTALL): New.
6030 * config/alpha/t-osf4 (SHLIB_INSTALL): New.
6031 * config/mips/t-iris6 (SHLIB_INSTALL): New.
6032 * config/rs6000/t-aix43 (SHLIB_INSTALL): New.
6033 * config/sparc/t-slibgcc (SHLIB_INSTALL): New.
6034 * config/sparc/t-slibgcc-sld (SHLIB_INSTALL): New.
6036 2001-01-07 Richard Henderson <rth@redhat.com>
6038 * config/rs6000/aix.h (LINK_LIBGCC_SPECIAL_1): New.
6039 * config/rs6000/rs6000.h (LIBGCC_SPEC): Remove.
6040 * config/rs6000/sysv4.h (LIBGCC_SPEC): Remove.
6042 2001-01-07 Michael Hayes <mhayes@redhat.com>
6044 * loop.c (count_loop_regs_set): Delete.
6045 (load_mems_and_recount_loop_regs_set): Delete.
6046 (loop_regs_scan): Merge common code from count_loop_regs_set,
6047 scan_loop, and load_mems_and_recount_loop_regs_set.
6048 (scan_loop): Call load_mems directly and loop_regs_scan
6049 again if new registers created.
6051 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6053 * toplev.c (main): Call the front-end specific post_options
6054 hook if one is given.
6055 * toplev.h (struct_lang_hooks, lang_hooks): New.
6056 * c-lang.c (c_post_options, lang_hooks): Implement lang_hooks
6057 for the C front end.
6058 * cp/decl2.c (cxx_post_options, lang_hooks): Implement
6059 lang_hooks for the C++ front end.
6060 * objc/objc-act.c (objc_post_options, lang_hooks): Implement
6061 lang_hooks for the ObjC front end.
6062 * f/com.c (lang_hooks): Hooks for the Fortran front end.
6063 * java/lang.c (lang_hooks): Hooks for the Java front end.
6065 2001-01-07 Neil Booth <neil@daikokuya.demon.co.uk>
6067 * c-lex.c (init_c_lex): Request #define / #undef callbacks
6068 for verbose DWARF[2] debugging.
6069 (cb_define, cb_undef): The new callbacks.
6070 * toplev.h (debug_define, debug_undef): Make const correct.
6071 * toplev.c (debug_define, debug_undef): Similarly. Do not
6072 perform the verbosity tests here anymore.
6074 2001-01-07 Alexandre Oliva <aoliva@redhat.com>
6076 * reload.c (subst_reloads): Take INSN argument. When
6077 replacing a LABEL_REF in a JUMP_INSN, add a REG_LABEL note.
6078 * reload.h (subst_reloads): Adjust prototype.
6079 * reload1.c (reload_as_needed): Pass INSN to subst_reloads.
6080 * jump.c (mark_all_labels): Canonicalize any REG_LABEL notes
6081 present in JUMP_INSNs and copy them to JUMP_LABEL.
6082 * flow.c (find_label_refs, find_basic_blocks_1): Skip
6083 JUMP_INSNs and insns with REG_LABELs that are followed by
6084 JUMP_INSNs with the same REG_LABEL.
6085 * sched-rgn.c (is_cfg_nonregular): Likewise.
6086 * rtlanal.c (computed_jump_p): Make it false if a REG_LABEL
6087 note is available.
6088 * unroll.c (unroll_loop): Look for REG_LABEL notes in
6089 JUMP_INSNs too.
6090 * rtl.texi (REG_LABEL): Document usage in JUMP_INSNs.
6092 2001-01-06 Richard Henderson <rth@redhat.com>
6094 * loop.c (scan_loop): Use xcalloc for the regs array.
6095 (load_mems_and_recount_loop_regs_set): Zero the new memory
6096 received from xrealloc.
6098 2001-01-06 Neil Booth <neil@daikokuya.demon.co.uk>
6100 * mkdeps.c (deps_add_dep): Fix vector re-allocation.
6102 Sat Jan 6 00:09:34 2001 J"orn Rennecke <amylaar@redhat.com>
6104 * integrate.c (copy_rtx_and_substitute): When copying
6105 an ignored return value, strip REG_FUNCTION_VALUE_P.
6107 2001-01-06 Michael Hayes <mhayes@redhat.com>
6109 * loop.c (debug_biv, debug_giv): New.
6110 (loop_biv_dump): Break out from ...
6111 (record_biv): ... here.
6112 (loop_giv_dump): Break out from ...
6113 (record_giv): ... here.
6114 (loop_bivs_check): Use print_simple_rtl.
6115 * unroll.c (loop_iterations): Use print_simple_rtl.
6117 2000-01-05 John David Anglin <dave@hiauly1.hia.nrc.ca>
6119 * pa.md (return, return_internal): Modify patterns to prevent regrename
6120 mucking with the return pointer.
6122 2001-01-05 Richard Henderson <rth@redhat.com>
6124 * dwarf2out.c (mem_loc_descriptor) [case MEM]: Revert 10-31 change.
6126 Fri Jan 5 16:34:18 2001 Nick Clifton <nickc@redhat.com>
6128 * config/v850/lib1funcs.asm: Replace __mulsi3 routine with faster
6129 version supplied by Matteo Frigo.
6131 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6133 * cpp.texi: Update for -MQ.
6134 * cppinit.c (cpp_create_reader): Always create pfile->deps.
6135 (cpp_cleanup): Always free pfile->deps.
6136 (initialize_dependency_output): Don't create pfile->deps.
6137 (cpp_handle_option): Similarly.
6138 (OPT_MQ): New.
6139 * gcc.c (cpp_options): Handle -MQ.
6140 (DEFAULT_WORD_SWITCH_TAKES_ARG): Add -MQ.
6141 * mkdeps.c (base_name): Remove.
6142 (deps_init): Don't allocate vector space until it's needed.
6143 (deps_free): Only free vectors if allocated.
6144 (deps_add_target, deps_add_dep): Update for initial allocation.
6145 (deps_add_default_target): Don't strip to the base_name.
6147 2001-01-05 DJ Delorie <dj@redhat.com>
6149 * config/v850/v850.h (RETURN_ADDR_RTX): Define.
6150 (INIT_EXPANDERS): Define.
6152 * config/v850/v850.c (struct machine_function): Define.
6153 (v850_save_machine_status): New function.
6154 (v850_restore_machine_status): New function.
6155 (v850_return_addr): New function.
6156 (v850_init_expanders): New function.
6158 * config/v850/v850-protos.h: Add prototypes for v850_return_addr
6159 and v850_init_expanders.
6161 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6163 * cpplib.h (struct cpp_reader): Add help_only field.
6164 * cppinit.c (COMMAND_LINE_OPTIONS): Add OPT_version.
6165 (cpp_handle_option): Set pfile->help_only if we see -h,
6166 --help, -target-help, or --version. Print version string but
6167 do not set help_only if we see -v or -version. Make text
6168 printed by -v match that printed by (-)-version.
6170 * cppmain.c (main): Exit after option parsing if
6171 pfile->help_only is true.
6173 * toplev.c (independent_decode_option): Call print_version,
6174 then exit, if we see --version (but not -version).
6175 (print_version): Split lengthy message into two lines.
6177 2001-01-05 Nick Clifton <nickc@redhat.com>
6179 * config/v850/v850.c (v850_encode_data_area): Use alloca to create
6180 temporary string for initialisation before calling ggc_alloc_string.
6182 2001-01-06 Michael Hayes <mhayes@redhat.com>
6184 * rtl.h (print_simple_rtl): New.
6185 * print-rtl.c (print_simple_rtl): New.
6186 (flag_simple): New.
6187 (print_rtx): Disable printing of flags and modes, etc.,
6188 if `flag_simple` nonzero.
6190 2001-01-05 Zack Weinberg <zack@wolery.stanford.edu>
6192 * function.c (fixup_var_refs): Use push_to_full_sequence where
6193 possible.
6195 2001-01-05 Michael Meissner <meissner@redhat.com>
6197 * flags.h (flag_reorder_blocks): Add declaration.
6198 (flag_rename_block): Ditto.
6200 2001-01-05 DJ Delorie <dj@redhat.com>
6202 * function.c (reorder_blocks): Make sure the flags are all reset
6203 before using them to mark blocks, else a second invocation will
6204 corrupt the block chain.
6205 (reorder_blocks_0): New, resets the flags.
6207 Fri Jan 5 20:34:06 2001 J"orn Rennecke <amylaar@redhat.com>
6209 * cse.c (find_comparison_args): Stop if the argument is known to
6210 be constant.
6212 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6214 * config/sh/sh.md (movdf): When splitting load into pair of
6215 registers, don't clobber the register used in the address too
6216 early.
6218 2001-01-05 Jeffrey Oldham <oldham@codesourcery.com>
6220 * varasm.c (mark_constant_pool): Improve initial comments.
6221 (mark_constants): Move marking of constants to mark_constant.
6222 (mark_constant): New function to recursively mark all constants
6223 referred to by a constant.
6225 2001-01-05 Catherine Moore <clm@redhat.com>
6227 * dbxout.c ((dbxout_parms): Handle invisible ref where decl is a REG.
6229 2001-01-05 Phil Edwards <pme@sources.redhat.com>
6231 * cp/lang-options.h: Bring comment in line with reality.
6232 * f/lang-options.h: Likewise.
6233 * java/lang-options.h: Likewise.
6234 * objc/lang-options.h: Likewise.
6235 * ch/lang-options.h: Likewise.
6236 * f/g77.texi: And update the manual.
6238 2001-01-05 Marek Michalkiewicz <marekm@linux.org.pl>
6239 Denis Chertykov <denisc@overta.ru>
6241 * config/avr/avr-protos.h (avr_peep2_scratch_safe): Prototype.
6242 * config/avr/avr.c (avr_peep2_scratch_safe): New function.
6243 * config/avr/avr.md (all peepholes that request a scratch register):
6244 Call it, FAIL the peephole if not safe (in interrupt functions).
6246 2001-01-05 Mark Mitchell <mark@codesourcery.com>
6248 * ggc-page.c (NUM_EXTRA_ORDERS): Hardwire to zero for now.
6250 2001-01-05 Joseph S. Myers <jsm28@cam.ac.uk>
6252 * builtins.def (BUILT_IN_CONJ, BUILT_IN_CREAL, BUILT_IN_CIMAG):
6253 Define.
6254 * builtins.c (expand_builtin): Abort on BUILT_IN_CONJ,
6255 BUILT_IN_CREAL and BUILT_IN_CIMAG.
6256 * c-common.c (c_common_nodes_and_builtins): Create builtin conjf,
6257 conj, conjl, crealf, creal, creall, cimagf, cimag and cimagl.
6258 (expand_tree_builtin): Handle BUILT_IN_CONJ, BUILT_IN_CREAL and
6259 BUILT_IN_CIMAG.
6260 * extend.texi: Document these builtins.
6262 2001-01-05 Daniel Berlin <dberlin@redhat.com>
6264 * c-common.c (lang_get_alias_set): Say we know nothing of
6265 VECTOR_TYPE aliasing.
6267 * dwarf2out.c (is_base_type): Handle VECTOR_TYPE properly.
6269 2001-01-05 Bruce Korb <bkorb@gnu.org>
6271 * fixinc/mkfixinc.sh(vax-*-bsd): convert exit and atexit calls to
6272 their x* equivalent versions for atexit-less systems
6273 * fixinc/fixincl.c(main): do not return from main() on atexit-less
6274 systems (or any other system any more).
6276 2001-01-05 Richard Earnshaw <rearnsha@arm.com>
6278 * arm.md (ldmsi_postinc): Avoid use of match_dup between input and
6279 output operands. Use arm_hard_register_operand for operand 4.
6280 (stmsi_postinc): Similarly.
6281 (ldmsi): Use arm_hard_register_operand for opernand 2.
6282 (stmsi): Similarly.
6283 * arm.c (arm_hard_register_operand): New function.
6284 * arm-protos.h (arm_hard_register_operand): Prototype it.
6286 * arm.h (HARD_REGNO_RENAME_OK): Define.
6288 Fri Jan 5 16:29:49 MET 2001 Jan Hubicka <jh@suse.cz>
6290 * simplify-rtx.c (cfc_args): add "unordered" field.
6291 (check_fold_consts): Set unordered field.
6292 (simplify_relational_operation): Simplify the unordered
6293 comparisons.
6295 * reg-stack.c (swap_rtx_condition): Ensure that the transformation
6296 is valid.
6298 * emit-rtl.c (try_split): Fix code to mark labels.
6299 * jump.c (mark_jump_label): Make global.
6300 * rtl.h (mark_jump_label): Declare.
6302 * predict.c (estimate_probability): Handle unordred comparisons.
6304 2001-01-05 Neil Booth <neil@daikokuya.demon.co.uk>
6306 * cpp.texi: Update for -MP. Clarify behaviour of -MT.
6307 * cppinit.c (initialize_dependency_output): Update.
6308 (cpp_finish): Output dummy targets for -MP.
6309 (OPT_MP): New.
6310 (cpp_handle_option): Handle -MP. Don't quote -MT options.
6311 * cpplib.h (struct cpp_options): Add deps_phony_targets.
6312 * gcc.c (cpp_options): Update to handle -MP.
6313 * mkdeps.c (deps_add_target, deps_add_default_target): Update
6314 to quote only the default target.
6315 (deps_phony_targets): Insert a preceding newline. Rename from
6316 deps_dummy_targets for consistency.
6317 * mkdeps.h: Update
6319 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6321 * calls.c (emit_library_call_value_1): Support
6322 INIT_CUMULATIVE_LIBCALL_ARGS.
6323 * tm.texi (INIT_CUMULATIVE_LIBCALL_ARGS): Document it.
6325 2001-01-04 Richard Henderson <rth@redhat.com>
6327 * c-decl.c (finish_struct): Detect flexible array members
6328 used in an inappropriate context.
6329 * c-typeck.c (really_start_incremental_init): Special case
6330 constructor_max_index for zero length arrays.
6331 (pop_init_level): Allow initialization of flexible array
6332 members. Deprecate initialization of zero length arrays.
6333 Don't issue missing initializer warning for flexible array
6334 members or zero length arrays.
6335 (process_init_element): Don't dereference null DECL_SIZE.
6336 * varasm.c (array_size_for_constructor): Return a HOST_WIDE_INT.
6337 Don't abort for empty constructors. Use size_binop
6338 (output_constructor): Add commentary regarding zero length
6339 array futures. Abort if we try to initialize an array of
6340 unspecified length with a non-empty constructor in the middle
6341 of a structure.
6343 * extend.texi (Zero Length): Update and clarify documentation
6344 on static initialization.
6346 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6348 * config/c4x/c4x.c (c4x_expand_prologue): Don't compile an ISR
6349 with more than 32767 words of local storage.
6351 2001-01-05 Michael Hayes <m.hayes@elec.canterbury.ac.nz>
6353 * config/c4x/c4x.c (c4x_init_builtins): Remove builtin support
6354 for 'abs', 'labs', and 'fabs'.
6355 (c4x_expand_builtin): Likewise.
6356 * config/c4x/c4x.h (enum c4x_builtins): Likewise.
6358 2001-01-05 Alexandre Oliva <aoliva@redhat.com>
6360 * config/sh/sh.md (prget, prset): New insn types.
6361 (return delay slot): Dont' allow prset.
6362 (call, sfunc delay slot): Don't allow prget.
6363 (movsi_i, movsi_ie, movsi_i_lowpart): Create separate alternatives
6364 for prset and prget.
6366 2001-01-05 Michael Hayes <mhayes@redhat.com>
6368 * loop.h (struct loop_reg): New.
6369 (struct loop_regs): Change to use array of `struct loop_reg'.
6370 * loop.c: Replace assortment of varrays with single regs array.
6371 (count_one_set): Delete may_not_move array argument
6372 and use regs array instead. All caller's changed.
6373 (count_loop_regs_set): Delete may_not_move and single_usage
6374 arguments and use regs array instead. All caller's changed.
6375 (find_single_use_in_loop): Replace usage array argument with pointer
6376 to regs structure. All caller's changed.
6377 (loop_optimize): Delete `moved_once' array.
6379 2001-01-05 Michael Hayes <mhayes@redhat.com>
6381 * loop.c (prescan_loop): Set loop_info->has_nonconst_call.
6382 Use it instead of loop_info->has_call for scanning loop mems.
6383 (check_dbra_loop): Replace loop_info->has_call test with
6384 loop_info->has_nonconst_call.
6386 2000-01-04 Matthew Hiller <hiller@redhat.com>
6388 * config/sh/sh.h (EPILOGUE_USES): Recognize fpscr as epilogue-used
6389 for TARGET_SH3E.
6391 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6393 * fold-const.c (fold): When folding a CONJ_EXPR of a COMPLEX_CST,
6394 use TREE_REALPART and TREE_IMAGPART instead of TREE_OPERAND.
6396 2001-01-04 Joseph S. Myers <jsm28@cam.ac.uk>
6398 * c-common.c (SIZE_TYPE, WCHAR_TYPE): Define.
6399 (flag_short_double, flag_short_wchar): Define.
6400 (c_common_nodes_and_builtins): Create many tree nodes shared
6401 between C and C++ here instead of in cp/decl.c and ...
6402 * c-decl.c (init_decl_processing): ... here.
6403 (SIZE_TYPE, WCHAR_TYPE): Don't define.
6404 (flag_short_double, flag_short_wchar): Don't define.
6405 (record_builtin_type): New function.
6406 (build_void_list_node): New function.
6407 * c-common.h (flag_short_double, flag_short_wchar,
6408 record_builtin_type, build_void_list_node): Declare.
6410 Thu Jan 4 21:09:47 2001 J"orn Rennecke <amylaar@redhat.com>
6412 * integrate.c (expand_inline_function): Don't put a virtual
6413 register into the reg map.
6415 * function.c (fixup_var_refs_1): If force_operand didn't put
6416 the address into the target, move it there.
6418 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6420 Special-case tree_decl/tree_list allocations.
6421 * ggc-page.c (OBJECT_PER_PAGE): Reimplement.
6422 (OBJECT_SIZE): New macro.
6423 (NUM_EXTRA_ORDER): Likewise.
6424 (extra_order_size_table): New variable.
6425 (NUM_ORDERS): New macro.
6426 (objects_per_page_table): New variable.
6427 (object_size_table): New variable.
6428 (G.pages): Use NUM_ORDERS to bound the array.
6429 (G.page_tails): Likewise.
6430 (DIV_ROUND_UP): Remove.
6431 (BITMAP_SIZE): Use CEIL, instead of DIV_ROUND_UP.
6432 (alloc_page): Use OBJECT_SIZE.
6433 (size_lookup): Don't make it const.
6434 (ggc_alloc): Use OBJECT_SIZE.
6435 (ggc_set_mark): Likewise.
6436 (ggc_get_size): Likewise.
6437 (init_ggc): Set up the object_size_table, objects_per_page_table,
6438 and adjust size_lookup.
6439 (ggc_recalculate_in_use_p): Use CEIL, not DIV_ROUND_UP.
6440 (ggc_pop_context): Use NUM_ORDERS.
6441 (clear_marks): Likewise.
6442 (sweep_pages): Likewise.
6443 (poison_pages): Likewise.
6444 (ggc_print_statistics): Use OBJECT_SIZE.
6446 Thu Jan 4 15:54:05 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6448 * varasm.c (output_constructor): Use HOST_WIDE_INT for sizes.
6449 Only call array_size_for_constructor if last field and array type
6450 with no upper bound.
6452 2001-01-04 Philip Blundell <philb@gnu.org>
6454 * config/arm/arm.c (arm_gen_constant): Prefer to emit constants
6455 from bit 31 downwards, if this requires no more insns.
6456 (count_insns_for_constant): New helper function for above.
6458 2001-01-04 Alexandre Oliva <aoliva@redhat.com>
6460 * gencodes.c (output_predicate_decls): Remove empty initializer.
6462 2001-01-04 Mark Mitchell <mark@codesourcery.com>
6464 * tree.c (copy_node): Remove documentation about obstacks.
6465 (buidl1): Check that nobody tries to build 2-argument nodes this
6466 way.
6468 2001-01-04 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6470 * sparc.h (PREDICATE_CODES): Delete fp_sethi_p, fp_mov_p and
6471 fp_high_losum_p.
6473 * gencodes.c (output_predicate_decls): Fill empty initializer
6474 braces.
6476 2001-01-04 Jakub Jelinek <jakub@redhat.com>
6478 * tradcpp.c (deps_file, print_deps_missing_files): New variables.
6479 (main): Handle -MG, -MD, -MMD. Bail out if -MG is given without -M
6480 or -MM.
6481 (do_include): Handle missing headers like cpp0.
6482 * cppfiles.c (_cpp_execute_include): Don't prefix absolute header
6483 paths with first include pathname. Don't strcat to uninitialized
6484 string.
6486 2001-01-04 Bernd Schmidt <bernds@redhat.com>
6488 * regrename.c (regrename_optimize): Don't rename from frame pointer
6489 if frame_pointer_needed.
6490 (do_replace): Don't set ORIGINAL_REGNO to a hard register number.
6491 * config/ia64/ia64.c (emit_all_group_insn_barriers): New function.
6492 (ia64_reorg): Use it instead of scheduling if ! optimize.
6493 (errata_emit_nops): Properly call asm_noperands.
6494 (ia64_sched_reorder): Finish cycle if we see an asm.
6495 (ia64_variable_issue): Clear scheduling state after asms.
6497 2001-01-04 Neil Booth <neil@daikokuya.demon.co.uk>
6499 * cpp.texi: Update for -MT.
6500 * cppinit.c (initialize_dependency_output): Add a default
6501 target if none has been given already.
6502 (no_tgt, OPT_MT): New.
6503 (cpp_handle_option): Handle -MT. Update -M etc.
6504 * cpplib.h (struct cpp_options): Remove deps_target.
6505 * gcc.c (cpp_options): Handle -MT.
6506 * mkdeps.c (struct deps): Move from mkdeps.h.
6507 (deps_calc_target): Rename deps_add_default_target. Add a
6508 default target if none has been specified already.
6509 * mkdeps.h (struct deps): Move to mkdeps.c.
6510 (deps_calc_target): Rename deps_add_default_target.
6512 2000-01-03 Richard Henderson <rth@redhat.com>
6514 * c-decl.c (grokdeclarator): Give zero-length arrays size zero.
6515 Remove dead code.
6516 * c-typeck.c (push_init_level): Move checks for flexible array
6517 members and zero length arrays ...
6518 (pop_init_level): ... here. Silently discard empty initializations.
6519 Remove dead code.
6520 * varasm.c (output_constructor): Update for sizeof change to
6521 zero-length arrays.
6523 * extend.texi (Zero Length): Clarify semantics.
6525 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6527 * configure.in (tm.h): Include isns-codes.h last.
6528 * configure: Rebuilt.
6530 2001-01-03 Richard Henderson <rth@redhat.com>
6532 * config/alpha/alpha.md (addvsi3, addvdi3): New.
6533 (negvsi2, negvdi2, subvsi3, subvdi3, mulvsi3, mulvdi3): New.
6535 2001-01-03 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
6537 * tradcpp.c (main): Make sure finclude() is called with a valid
6538 indepth value while handling -include.
6540 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6542 * gencodes.c (output_predicate_decls): New function.
6543 (main): Call it.
6544 * machmode.h (GET_MODE_MASK): Arrange for it to be defined
6545 even if it is not the first time machmode.h is #included.
6546 * config/sh/sh.c (fpul_operand): Declare MODE argument.
6547 * tm.texi (PREDICATE_CODES): Document predicate declarations.
6548 * gcc.texi (Copyright): Added 2001.
6550 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6552 * c-common.c (c_common_lang_init): New function. Warn if format
6553 warning options which only have effects when used with -Wformat
6554 are used without -Wformat.
6555 * c-common.h (c_common_lang_init): Declare.
6556 * c-lang.c (lang_init): Call c_common_lang_init.
6557 * objc/objc-act.c (lang_init): Call c_common_lang_init.
6559 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6561 * configure.in: Check for the mktemp command.
6562 * configure: Regenerate.
6563 * gccbug.in: Use a separate temporary file $TEMP0 for one use of
6564 $TEMP. Create temporary files with mktemp, if available at
6565 configure time; otherwise use set -C. Remove temporary files
6566 before exit.
6568 2001-01-03 Joseph S. Myers <jsm28@cam.ac.uk>
6570 * configure.in: Require at least texinfo 4.0. Check for whether
6571 Pod::Man is sufficiently recent to regenerate GCC manpages.
6572 * configure: Regenerate.
6573 * Makefile.in (TEXI2POD): Call perl explicitly rather than relying
6574 on #!.
6575 (GENERATED_MANPAGES): Define.
6576 (generated-manpages): New target. Depend on cpp.1 as well as
6577 gcov.1.
6578 (install-man): Depend on $(GENERATED_MANPAGES) (defined by
6579 configure to generated-manpages or empty) rather than on the
6580 manpages directly. Remove execute permission from installed
6581 gcov.1 as well as cpp.1.
6582 * cpp.1, gcov.1: Regenerate.
6584 2001-01-03 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6586 * builtins.c (expand_builtin_strncmp): Use host_integerp and
6587 tree_low_cst. Allow using cmpstrsi in more cases.
6589 Wed Jan 3 10:48:43 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6591 * config/sparc/sparc.h (RETURN_IN_MEMORY): Return 0 for variable
6592 sized types.
6594 Wed Jan 3 12:22:32 2001 Alexandre Oliva <aoliva@redhat.com>
6596 * build-make (HOST_CFLAGS): Added `-DGENERATOR_FILE'.
6597 * Makefile.in (HOST_CFLAGS): Mention build-make.
6599 Wed Jan 3 08:53:50 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6601 * config/sparc/sparc.md (nonlocal_goto): Emit goto_handler_and_restore
6602 as JUMP_INSN.
6604 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6606 * builtins.c (expand_builtin_return_addr): Don't use MEM_ALIAS_SET on
6607 a REG rtx.
6609 * cse.c (cse_rtx_varies_p): Accept additional FROM_ALIAS arg. All
6610 callers changed.
6612 * alias.c (throughout): Use ORIGINAL_REGNO when accessing
6613 reg_base_value and reg_known_value arrays.
6614 (init_alias_analysis): Add more cases to detect known values.
6615 * sched-deps.c (deps_may_trap_p): New function.
6616 (sched_analyze_2): Use it.
6618 2001-01-03 Alexandre Oliva <aoliva@redhat.com>
6620 * combine.c (simplify_shift_const): Even if we're sign-extracting,
6621 don't discard an ASHIFTRT if we're shifting in a wider mode.
6623 2000-01-02 John David Anglin <dave@hiauly1.hia.nrc.ca>
6625 * toplev.c (rest_of_compilation): Don't print basic block information
6626 when CFG isn't up to date.
6628 2001-01-02 Mark Elbrecht <snowball3@bigfoot.com>
6630 * config/i386/djgpp.h (DWARF2_DEBUGGING_INFO): Define.
6631 (UNALIGNED_INT_ASM_OP, UNALIGNED_DOUBLE_ASM_OP): Define.
6632 (UNALIGNED_SHORT_ASM_OP): Define.
6633 (CPP_PREDEFINES): Remove defines for GO32 and DJGPP.
6635 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6637 * fold-const.c (fold_convert): Fix typo.
6639 2001-01-02 Richard Henderson <rth@redhat.com>
6641 * c-common.h (ASM_INPUT_P): New.
6642 * c-parse.in (asm): Set it when needed.
6643 * c-semantics.c (genrtl_asm_stmt): Test it instead of the
6644 existance of an operand.
6646 Tue Jan 2 20:27:07 MET 2001 Jan Hubicka <jh@suse.cz>
6648 * dwarf2out.c (stack_adjust_offset): Handle PRE_MODIFY.
6649 (dwarf2out_frame_debug_expr): Likewise.
6650 (mem_loc_descriptor): Handle PRE and POST_MODIFY.
6652 Tue Jan 2 20:21:31 MET 2001 Jan Hubicka <jh@suse.cz>
6654 * i386.c (ix86_split_to_parts): Return number of part required;
6655 handle TFmodes.
6656 (print_operand, ix86_expand_branch, ix86_expand_fp_movcc): Handle
6657 TFmodes.
6658 (ix86_split_long_move): Use number of part returned
6659 by ix86_split_to_parts
6660 * i386.h (MASK_128BIT_LONG_DOUBLE, TARGET_128BIT_LONG_DOUBLE):
6661 New macros.
6662 (TARGET_SWITCHES): Add 128bit-long-double and 96bit-long-double
6663 (LONG_DOUBLE_TYPE_SIZE): Change from constant.
6664 (MAX_LONG_DOUBLE_TYPE_SIZE): New macro.
6665 (INTEL_EXTENDED_IEEE_FORMAT): Likewise.
6666 (ALIGN_MODE_128): Add TFmode.
6667 (IS_STACK_MODE): Likewise.
6668 (HARD_REGNO_NREGS): TFmode needs 3 registers.
6669 (HARD_REGNO_OK): Support TFmodes.
6670 (ASM_OUTPUT_LONG_DOUBLE): Handle TFmodes.
6671 * i386.md (scheduler definitions): Use memory operand to determine
6672 fst/fld instructions; use mode attribute to determine real mode of
6673 the instruction.
6674 (*tf): New patterns, expanders and splitters; based on XFmode patterns.
6675 * invoke.texi (128bit-long-double, 96bit-long-double): Document.
6677 2001-01-02 Mark Mitchell <mark@codesourcery.com>
6679 * tree.def (TRUTH_NOT_EXPR): Improve documentation.
6681 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6683 * expr.c (store_constructor_field): Update ALIGN before calling
6684 store_constructor.
6686 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6688 * config/mips/mips.c (function_arg): Don't pass NULL_TREE to
6689 host_integerp.
6691 2001-01-02 Jeffrey Oldham <oldham@codesourcery.com>
6693 * tm.texi (FUNCTION_ARG): Document that @var{type} can be an
6694 incomplete type.
6696 Tue Jan 2 10:47:38 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.
6698 * c-decl.c (start_function): Don't warn on third parameter to main.
6700 2001-01-02 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6702 * tsystem.h: Define HAVE_DECL_GETOPT.
6704 2001-01-02 Philip Blundell <pb@futuretv.com>
6706 * config/arm/linux-gas.h (CLEAR_INSN_CACHE): Avoid illegal clobber
6707 of input operand.
6709 2001-01-02 Richard Henderson <rth@redhat.com>
6711 * alpha.md (*ze_and_ne): Duplicate insn condition to split.
6713 2001-01-02 Andreas Jaeger <aj@suse.de>
6715 * c-decl.c (c_decode_option): Remove support of
6716 -Wmissing-noreturn.
6718 * toplev.c (documented_lang_options): Remove -Wmissing-noreturn.
6719 (W_options): Add -Wmissing-noreturn here.
6721 * flow.c: Define lang_missing_noreturn_ok_p.
6722 (check_function_return_warnings): Use it.
6724 * c-common.h: Declare lang_missing_noreturn_ok_p.
6726 * c-lang.c (c_missing_noreturn_ok_p): New function.
6727 (lang_init): Set lang_missing_noreturn_ok_p.
6729 * invoke.texi (Warning Options): Document this.
6731 2000-12-27 Phil Edwards <pme@sources.redhat.com>
6733 * extend.texi (C++ Extensions): New node for C++ attributes;
6734 describe init_priority and com_interface.
6735 * invoke.texi: Remove -finit-priority as it now has zero effect.
6736 * install.texi: Fix xref syntax.
6737 * md.texi: Likewise.
6739 Mon Jan 1 21:28:29 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6741 * config.gcc (sparc64-wrs-vxworks*): New case.
6742 * config/sparc/vxsparc64.h, config/sparc/t-vxsparc64: New files.
6744 * config/sparc/sparc.c (sparc_override_options): Do support different
6745 pointer and architecture size.
6746 * config/sparc/sparc.h (MIN_UNITS_PER_WORD): Always 4.
6747 (POINTERS_EXTEND_UNSIGNED): Define.
6748 (Pmode): Test TARGET_ARCH64, not TARGET_PTR64.
6749 (FUNCTION_MODE): Define to be Pmode.
6750 * config/sparc/sparc.md (64-bit call patterns): FUNCTION_MODE now DI.
6752 * function.c (expand_function_end): Properly handle DECL_RESULT
6753 and copy when ptr_mode != Pmode.
6754 * expmed.c (make_tree): Convert X from Pmode to ptr_mode, if needed.
6756 2001-01-01 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
6758 * c-common.c (c_common_nodes_and_builtins): Set prototype
6759 parameters for __builtin_fputs, __builtin_fputc and
6760 __builtin_fwrite. Don't declare plain fputc as a builtin.
6762 2001-01-01 John David Anglin <dave@hiauly1.hia.nrc.ca>
6764 * loop.c (add_label_notes): Increment the label usage count when
6765 a note is added to an insn which refers to a CODE_LABEL.
6766 * gcse.c (add_label_notes): Likewise.
6768 2001-01-01 Andreas Jaeger <aj@suse.de>
6770 * loop.c (scan_loop): Use xmalloc to allocate movables.
6772 2001-01-01 Alexandre Oliva <aoliva@redhat.com>
6774 * tm.texi (REGISTER_MOVE_COST): Add a mode argument.
6775 * reload.c (REGISTER_MOVE_COST): Likewise. Adjust all callers.
6776 * reload1.c (REGISTER_MOVE_COST): Likewise.
6777 * regclass.c (REGISTER_MOVE_COST): Likewise.
6778 (move_cost, may_move_in_cost, may_move_out_cost): Add mode
6779 dimension. Adjust all users.
6780 (init_reg_sets_1): Iterate on all modes.
6781 * config/1750a/1750a.h (REGISTER_MOVE_COST): Adjust.
6782 * config/a29k/a29k.h (REGISTER_MOVE_COST): Adjust.
6783 * config/alpha/alpha.h (REGISTER_MOVE_COST): Adjust.
6784 * config/arc/arc.h (REGISTER_MOVE_COST): Adjust.
6785 * config/arm/arm.h (REGISTER_MOVE_COST): Adjust.
6786 * config/avr/avr.h (REGISTER_MOVE_COST): Adjust.
6787 * config/c4x/c4x.h (REGISTER_MOVE_COST): Adjust.
6788 * config/d30v/d30v.h (REGISTER_MOVE_COST): Adjust.
6789 * config/dsp16xx/dsp16xx.h (REGISTER_MOVE_COST): Adjust.
6790 * config/h8300/h8300.h (REGISTER_MOVE_COST): Adjust.
6791 * config/i386/i386.h (REGISTER_MOVE_COST): Adjust.
6792 * config/ia64/ia64.h (REGISTER_MOVE_COST): Adjust.
6793 * config/m32r/m32r.h (REGISTER_MOVE_COST): Adjust.
6794 * config/m68hc11/m68hc11.h (REGISTER_MOVE_COST): Adjust.
6795 * config/m68k/m68k.h (REGISTER_MOVE_COST): Adjust.
6796 * config/mcore/mcore.h (REGISTER_MOVE_COST): Adjust.
6797 * config/mips/mips.h (REGISTER_MOVE_COST): Adjust.
6798 * config/mn10200/mn10200.h (REGISTER_MOVE_COST): Adjust.
6799 * config/mn10300/mn10300.h (REGISTER_MOVE_COST): Adjust.
6800 * config/ns32k/ns32k.h (REGISTER_MOVE_COST): Adjust.
6801 * config/pa/pa.h (REGISTER_MOVE_COST): Adjust.
6802 * config/pdp11/pdp11.h (REGISTER_MOVE_COST): Adjust.
6803 * config/pj/pj.h (REGISTER_MOVE_COST): Adjust.
6804 * config/romp/romp.h (REGISTER_MOVE_COST): Adjust.
6805 * config/rs6000/rs6000.h (REGISTER_MOVE_COST): Adjust.
6806 * config/sh/sh.h (REGISTER_MOVE_COST): Adjust.
6807 * config/sparc/sparc.h (REGISTER_MOVE_COST): Adjust.
6809 2001-01-01 Bernd Schmidt <bernds@redhat.com>
6811 * alias.c (fixed_scalar_and_varying_struct): Adjust prototype of
6812 arg VARIES_P. Call it with extra arg.
6813 (true_dependence): Likewise.
6814 * rtl.h (rtx_addr_can_trap_p): Declare.
6815 (rtx_varies_p, rtx_addr_varies_p, true_dependence): Update
6816 prototypes.
6817 * rtlanal.c (rtx_addr_can_trap_p): No longer static.
6818 (rtx_varies_p): Accept extra arg FOR_ALIAS; only disallow
6819 pic offset table register if it's zero. All callers changed.
6820 (rtx_addr_varies_p): Accept extra arg FOR_ALIAS; all callers changed.
6822 Mon Jan 1 07:38:33 2001 Richard Kenner <kenner@vlsi1.ultra.nyu.edu>
6824 * explow.c (convert_memory_address, case SYMBOL_REF): Copy
6825 STRING_POOL_ADDRESS_P.
6827 * config/sparc/sparc.c (input_operand): Properly test for short op.
6829 * config.gcc (sparc-*-elf): Include sparc/sol2.h.
6830 (sparc-*-rtems*): Include sparc/sol2.h and sparc/elf.h.
6831 (sparclite-*-elf*, sparc86x-*-elf*): Likewise.
6832 * config/sparc/elf.h: No longer include sol2.h.
6833 * config/sparc/lifeelf.h: No longer include sparc/elf.h.
6834 * config/sparc/rtemself.h, config/sparc/sp86x-elf.h: Likewise.
6836 * config/sparc/sparc.md: Test TARGET_ARCH64 instead of TARGET_PTR64.
6838 2001-01-01 Michael Hayes <mhayes@redhat.com>
6840 * loop.c (check_insn_for_bivs): Use ivs->n_regs to check array bounds.
6841 (find_mem_givs, record_biv, maybe_eliminate_biv): Likewise.
6842 (record_initial): Likewise.
6843 * unroll.c (copy_loop_body, loop_iterations): Likewise.
6844 (remap_split_bivs): Likewise.
6846 2001-01-01 Michael Hayes <mhayes@redhat.com>
6848 * loop.c (loop_ivs_free): New function.
6849 (strength_reduce): Break out from...
6851 2001-01-01 Michael Hayes <mhayes@redhat.com>
6853 * loop.h (struct iv): New.
6854 (REG_IV_TYPE, REG_IV_CLASS, REG_INFO): Modify to use 'struct iv'.
6855 (struct loop_ivs): Replace 'reg_iv_type', 'reg_iv_info',
6856 'reg_biv_class' fields with 'regs' and 'n_regs'.
6857 (struct ivs): Rename 'loop_iv_list' field to 'list'.
6858 * loop.c (loop_bivs_find, strength_reduce): Use ivs->regs array.
6859 * unroll.c (loop_iterations): Check array bounds with ivs->n_regs.
6861 2000-12-31 Alexandre Oliva <aoliva@redhat.com>
6863 * resource.c (mark_referenced_resources): Abort() before
6864 attempting to mark a pseudo register.
6865 (mark_set_resources): Likewise.
6867 2001-01-01 Michael Hayes <mhayes@redhat.com>
6869 * loop.h (REG_IV_CLASS): New accessor macro.
6870 * loop.c (REG_IV_CLASS): Use it instead of reg_iv_class array.
6871 * unroll.c (REG_IV_CLASS): Likewise.
6873 See ChangeLog.4 for earlier changes.